18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Wi-Fi Protected Setup - Registrar 3391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt * Copyright (c) 2008-2013, Jouni Malinen <j@w1.fi> 48d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 5c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * This software may be distributed under the terms of the BSD license. 6c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * See README for more details. 78d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 88d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 98d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "utils/includes.h" 108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "utils/common.h" 128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "utils/base64.h" 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "utils/eloop.h" 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "utils/uuid.h" 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "utils/list.h" 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "crypto/crypto.h" 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "crypto/sha256.h" 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "crypto/random.h" 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common/ieee802_11_defs.h" 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wps_i.h" 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wps_dev_attr.h" 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wps_upnp.h" 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wps_upnp_i.h" 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_WPS_STRICT 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WPS_WORKAROUNDS 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_STRICT */ 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#ifdef CONFIG_WPS_NFC 3004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 3104949598a23f501be6eec21697465fd46a28840aDmitry Shmidtstruct wps_nfc_pw_token { 3204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct dl_list list; 3304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt u8 pubkey_hash[WPS_OOB_PUBKEY_HASH_LEN]; 34cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt unsigned int peer_pk_hash_known:1; 3504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt u16 pw_id; 3633e38bfa7159cef089d6ee0d904778e184c72c47Dmitry Shmidt u8 dev_pw[WPS_OOB_DEVICE_PASSWORD_LEN * 2 + 1]; 3704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t dev_pw_len; 38cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt int pk_hash_provided_oob; /* whether own PK hash was provided OOB */ 3904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt}; 4004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 4104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 4204949598a23f501be6eec21697465fd46a28840aDmitry Shmidtstatic void wps_remove_nfc_pw_token(struct wps_nfc_pw_token *token) 4304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 4404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dl_list_del(&token->list); 45c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt bin_clear_free(token, sizeof(*token)); 4604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 4704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 4804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 4904949598a23f501be6eec21697465fd46a28840aDmitry Shmidtstatic void wps_free_nfc_pw_tokens(struct dl_list *tokens, u16 pw_id) 5004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 5104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct wps_nfc_pw_token *token, *prev; 5204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dl_list_for_each_safe(token, prev, tokens, struct wps_nfc_pw_token, 5304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt list) { 5404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (pw_id == 0 || pw_id == token->pw_id) 5504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_remove_nfc_pw_token(token); 5604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 5704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 5804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 5904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 6004949598a23f501be6eec21697465fd46a28840aDmitry Shmidtstatic struct wps_nfc_pw_token * wps_get_nfc_pw_token(struct dl_list *tokens, 6104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt u16 pw_id) 6204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 6304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct wps_nfc_pw_token *token; 6404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dl_list_for_each(token, tokens, struct wps_nfc_pw_token, list) { 6504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (pw_id == token->pw_id) 6604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return token; 6704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 6804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return NULL; 6904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 7004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 7104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#else /* CONFIG_WPS_NFC */ 7204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 7304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#define wps_free_nfc_pw_tokens(t, p) do { } while (0) 7404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 7504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#endif /* CONFIG_WPS_NFC */ 7604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 7704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wps_uuid_pin { 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct dl_list list; 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 uuid[WPS_UUID_LEN]; 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int wildcard_uuid; 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *pin; 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t pin_len; 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define PIN_LOCKED BIT(0) 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define PIN_EXPIRES BIT(1) 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int flags; 87fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt struct os_reltime expiration; 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 enrollee_addr[ETH_ALEN]; 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_free_pin(struct wps_uuid_pin *pin) 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 94c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt bin_clear_free(pin->pin, pin->pin_len); 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(pin); 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_remove_pin(struct wps_uuid_pin *pin) 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_del(&pin->list); 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_free_pin(pin); 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_free_pins(struct dl_list *pins) 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin, *prev; 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each_safe(pin, prev, pins, struct wps_uuid_pin, list) 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_remove_pin(pin); 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wps_pbc_session { 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_pbc_session *next; 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 addr[ETH_ALEN]; 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 uuid_e[WPS_UUID_LEN]; 118fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt struct os_reltime timestamp; 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_free_pbc_sessions(struct wps_pbc_session *pbc) 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_pbc_session *prev; 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (pbc) { 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = pbc; 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = pbc->next; 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(prev); 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wps_registrar_device { 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar_device *next; 1368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_device_data dev; 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 uuid[WPS_UUID_LEN]; 1388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 1398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wps_registrar { 1428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_context *wps; 1438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int pbc; 1458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int selected_registrar; 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 147391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt int (*new_psk_cb)(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr, 148391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt const u8 *psk, size_t psk_len); 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int (*set_ie_cb)(void *ctx, struct wpabuf *beacon_ie, 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *probe_resp_ie); 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void (*pin_needed_cb)(void *ctx, const u8 *uuid_e, 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_device_data *dev); 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void (*reg_success_cb)(void *ctx, const u8 *mac_addr, 15404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *uuid_e, const u8 *dev_pw, 15504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t dev_pw_len); 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void (*set_sel_reg_cb)(void *ctx, int sel_reg, u16 dev_passwd_id, 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 sel_reg_config_methods); 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void (*enrollee_seen_cb)(void *ctx, const u8 *addr, const u8 *uuid_e, 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pri_dev_type, u16 config_methods, 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 dev_password_id, u8 request_type, 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *dev_name); 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *cb_ctx; 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct dl_list pins; 16504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct dl_list nfc_pw_tokens; 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_pbc_session *pbc_sessions; 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int skip_cred_build; 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *extra_cred; 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int disable_auto_conf; 1718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int sel_reg_union; 1728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int sel_reg_dev_password_id_override; 1738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int sel_reg_config_methods_override; 1748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int static_wep_only; 1758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int dualband; 176391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt int force_per_enrollee_psk; 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar_device *devices; 1798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int force_pbc_overlap; 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 authorized_macs[WPS_MAX_AUTHORIZED_MACS][ETH_ALEN]; 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 authorized_macs_union[WPS_MAX_AUTHORIZED_MACS][ETH_ALEN]; 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 p2p_dev_addr[ETH_ALEN]; 186d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 187d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt u8 pbc_ignore_uuid[WPS_UUID_LEN]; 188fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#ifdef WPS_WORKAROUNDS 189fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt struct os_reltime pbc_ignore_start; 190fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#endif /* WPS_WORKAROUNDS */ 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 1928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_set_ie(struct wps_registrar *reg); 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_pbc_timeout(void *eloop_ctx, void *timeout_ctx); 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_set_selected_timeout(void *eloop_ctx, 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *timeout_ctx); 198d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidtstatic void wps_registrar_remove_pin(struct wps_registrar *reg, 199d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt struct wps_uuid_pin *pin); 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_add_authorized_mac(struct wps_registrar *reg, 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr) 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Add authorized MAC " MACSTR, 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(addr)); 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < WPS_MAX_AUTHORIZED_MACS; i++) 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(reg->authorized_macs[i], addr, ETH_ALEN) == 0) { 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Authorized MAC was " 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "already in the list"); 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; /* already in list */ 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = WPS_MAX_AUTHORIZED_MACS - 1; i > 0; i--) 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(reg->authorized_macs[i], reg->authorized_macs[i - 1], 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ETH_ALEN); 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(reg->authorized_macs[0], addr, ETH_ALEN); 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Authorized MACs", 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) reg->authorized_macs, sizeof(reg->authorized_macs)); 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_remove_authorized_mac(struct wps_registrar *reg, 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr) 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 2278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Remove authorized MAC " MACSTR, 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(addr)); 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < WPS_MAX_AUTHORIZED_MACS; i++) { 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(reg->authorized_macs, addr, ETH_ALEN) == 0) 2318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 2328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (i == WPS_MAX_AUTHORIZED_MACS) { 2348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Authorized MAC was not in the " 2358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "list"); 2368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; /* not in the list */ 2378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (; i + 1 < WPS_MAX_AUTHORIZED_MACS; i++) 2398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(reg->authorized_macs[i], reg->authorized_macs[i + 1], 2408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ETH_ALEN); 2418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(reg->authorized_macs[WPS_MAX_AUTHORIZED_MACS - 1], 0, 2428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ETH_ALEN); 2438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Authorized MACs", 2448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) reg->authorized_macs, sizeof(reg->authorized_macs)); 2458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_free_devices(struct wps_registrar_device *dev) 2498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar_device *prev; 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (dev) { 2538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = dev; 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dev = dev->next; 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_device_data_free(&prev->dev); 2568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(prev); 2578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wps_registrar_device * wps_device_get(struct wps_registrar *reg, 2628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr) 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar_device *dev; 2658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (dev = reg->devices; dev; dev = dev->next) { 2678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(dev->dev.mac_addr, addr, ETH_ALEN) == 0) 2688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return dev; 2698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 2718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_device_clone_data(struct wps_device_data *dst, 2758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_device_data *src) 2768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dst->mac_addr, src->mac_addr, ETH_ALEN); 2788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dst->pri_dev_type, src->pri_dev_type, WPS_DEV_TYPE_LEN); 2798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WPS_STRDUP(n) \ 2818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(dst->n); \ 2828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dst->n = src->n ? os_strdup(src->n) : NULL 2838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_STRDUP(device_name); 2858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_STRDUP(manufacturer); 2868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_STRDUP(model_name); 2878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_STRDUP(model_number); 2888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_STRDUP(serial_number); 2898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#undef WPS_STRDUP 2908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_device_store(struct wps_registrar *reg, 2948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_device_data *dev, const u8 *uuid) 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar_device *d; 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d = wps_device_get(reg, dev->mac_addr); 2998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (d == NULL) { 3008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d = os_zalloc(sizeof(*d)); 3018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (d == NULL) 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d->next = reg->devices; 3048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->devices = d; 3058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_device_clone_data(&d->dev, dev); 3088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(d->uuid, uuid, WPS_UUID_LEN); 3098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_add_pbc_session(struct wps_registrar *reg, 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr, const u8 *uuid_e) 3168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_pbc_session *pbc, *prev = NULL; 318fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt struct os_reltime now; 3198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 320fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_get_reltime(&now); 3218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = reg->pbc_sessions; 3238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (pbc) { 3248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(pbc->addr, addr, ETH_ALEN) == 0 && 3258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(pbc->uuid_e, uuid_e, WPS_UUID_LEN) == 0) { 3268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (prev) 3278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev->next = pbc->next; 3288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 3298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc_sessions = pbc->next; 3308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = pbc; 3338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = pbc->next; 3348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!pbc) { 3378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = os_zalloc(sizeof(*pbc)); 3388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pbc == NULL) 3398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pbc->addr, addr, ETH_ALEN); 3418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (uuid_e) 3428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pbc->uuid_e, uuid_e, WPS_UUID_LEN); 3438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc->next = reg->pbc_sessions; 3468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc_sessions = pbc; 3478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc->timestamp = now; 3488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* remove entries that have timed out */ 3508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = pbc; 3518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = pbc->next; 3528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (pbc) { 354fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (os_reltime_expired(&now, &pbc->timestamp, 355fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt WPS_PBC_WALK_TIME)) { 3568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev->next = NULL; 3578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_free_pbc_sessions(pbc); 3588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = pbc; 3618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = pbc->next; 3628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_remove_pbc_session(struct wps_registrar *reg, 3671f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const u8 *uuid_e, 3681f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const u8 *p2p_dev_addr) 3698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_pbc_session *pbc, *prev = NULL, *tmp; 3718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = reg->pbc_sessions; 3738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (pbc) { 3741f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (os_memcmp(pbc->uuid_e, uuid_e, WPS_UUID_LEN) == 0 || 3751f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt (p2p_dev_addr && !is_zero_ether_addr(reg->p2p_dev_addr) && 3761f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcmp(reg->p2p_dev_addr, p2p_dev_addr, ETH_ALEN) == 3771f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 0)) { 3788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (prev) 3798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev->next = pbc->next; 3808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 3818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc_sessions = pbc->next; 3828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tmp = pbc; 3838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = pbc->next; 3848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Removing PBC session for " 3858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "addr=" MACSTR, MAC2STR(tmp->addr)); 3868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Removed UUID-E", 3878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tmp->uuid_e, WPS_UUID_LEN); 3888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(tmp); 3898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt continue; 3908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = pbc; 3928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = pbc->next; 3938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_pbc_overlap(struct wps_registrar *reg, 3988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr, const u8 *uuid_e) 3998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int count = 0; 4018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_pbc_session *pbc; 4028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_pbc_session *first = NULL; 403fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt struct os_reltime now; 4048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 405fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_get_reltime(&now); 4068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Checking active PBC sessions for overlap"); 4088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (uuid_e) { 4108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Add one for the requested UUID"); 4118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Requested UUID", 4128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt uuid_e, WPS_UUID_LEN); 4138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt count++; 4148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (pbc = reg->pbc_sessions; pbc; pbc = pbc->next) { 4178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Consider PBC session with " MACSTR, 4188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(pbc->addr)); 4198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: UUID-E", 4208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc->uuid_e, WPS_UUID_LEN); 421fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (os_reltime_expired(&now, &pbc->timestamp, 422fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt WPS_PBC_WALK_TIME)) { 423fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC walk time has expired"); 4248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (first && 4278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(pbc->uuid_e, first->uuid_e, WPS_UUID_LEN) == 0) { 4288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Same Enrollee"); 4298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt continue; /* same Enrollee */ 4308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (uuid_e == NULL || 4328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(uuid_e, pbc->uuid_e, WPS_UUID_LEN)) { 4338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: New Enrollee"); 4348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt count++; 4358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (first == NULL) 4378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt first = pbc; 4388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: %u active PBC session(s) found", count); 4418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return count > 1 ? 1 : 0; 4438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_wps_state(struct wps_context *wps, struct wpabuf *msg) 4478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Wi-Fi Protected Setup State (%d)", 4498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps_state); 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_WPS_STATE); 4518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 1); 4528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(msg, wps->wps_state); 4538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 4548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 4588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_free_pending_m2(struct wps_context *wps) 4598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct upnp_pending_message *p, *p2, *prev = NULL; 4618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p = wps->upnp_msgs; 4628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (p) { 4638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (p->type == WPS_M2 || p->type == WPS_M2D) { 4648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (prev == NULL) 4658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->upnp_msgs = p->next; 4668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 4678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev->next = p->next; 4688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS UPnP: Drop pending M2/M2D"); 4698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p2 = p; 4708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p = p->next; 4718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(p2->msg); 4728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(p2); 4738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt continue; 4748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = p; 4768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p = p->next; 4778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 4808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_ap_setup_locked(struct wps_context *wps, 4838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg) 4848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ap_setup_locked && wps->ap_setup_locked != 2) { 4868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * AP Setup Locked"); 4878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_AP_SETUP_LOCKED); 4888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 1); 4898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(msg, 1); 4908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 4928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_selected_registrar(struct wps_registrar *reg, 4968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg) 4978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!reg->sel_reg_union) 4998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 5008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Selected Registrar"); 5018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_SELECTED_REGISTRAR); 5028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 1); 5038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(msg, 1); 5048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 5058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_sel_reg_dev_password_id(struct wps_registrar *reg, 5098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg) 5108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 id = reg->pbc ? DEV_PW_PUSHBUTTON : DEV_PW_DEFAULT; 5128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!reg->sel_reg_union) 5138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 5148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->sel_reg_dev_password_id_override >= 0) 5158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt id = reg->sel_reg_dev_password_id_override; 5168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Device Password ID (%d)", id); 5178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_DEV_PASSWORD_ID); 5188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 2); 5198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, id); 5208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 5218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_sel_pbc_reg_uuid_e(struct wps_registrar *reg, 5258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg) 5268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 id = reg->pbc ? DEV_PW_PUSHBUTTON : DEV_PW_DEFAULT; 5288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!reg->sel_reg_union) 5298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 5308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->sel_reg_dev_password_id_override >= 0) 5318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt id = reg->sel_reg_dev_password_id_override; 5328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (id != DEV_PW_PUSHBUTTON || !reg->dualband) 5338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 5348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_build_uuid_e(msg, reg->wps->uuid); 5358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_set_pushbutton(u16 *methods, u16 conf_methods) 5398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *methods |= WPS_CONFIG_PUSHBUTTON; 54104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if ((conf_methods & WPS_CONFIG_VIRT_PUSHBUTTON) == 54204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt WPS_CONFIG_VIRT_PUSHBUTTON) 5438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *methods |= WPS_CONFIG_VIRT_PUSHBUTTON; 54404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if ((conf_methods & WPS_CONFIG_PHY_PUSHBUTTON) == 54504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt WPS_CONFIG_PHY_PUSHBUTTON) 5468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *methods |= WPS_CONFIG_PHY_PUSHBUTTON; 54704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if ((*methods & WPS_CONFIG_VIRT_PUSHBUTTON) != 54804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt WPS_CONFIG_VIRT_PUSHBUTTON && 54904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt (*methods & WPS_CONFIG_PHY_PUSHBUTTON) != 55004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt WPS_CONFIG_PHY_PUSHBUTTON) { 5518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 5528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Required to include virtual/physical flag, but we were not 5538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * configured with push button type, so have to default to one 5548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * of them. 5558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 5568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *methods |= WPS_CONFIG_PHY_PUSHBUTTON; 5578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_sel_reg_config_methods(struct wps_registrar *reg, 5628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg) 5638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 methods; 5658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!reg->sel_reg_union) 5668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 5678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods = reg->wps->config_methods; 5688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods &= ~WPS_CONFIG_PUSHBUTTON; 5698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON | 5708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_CONFIG_PHY_PUSHBUTTON); 5718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->pbc) 5728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_set_pushbutton(&methods, reg->wps->config_methods); 5738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->sel_reg_config_methods_override >= 0) 5748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods = reg->sel_reg_config_methods_override; 5758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Selected Registrar Config Methods (%x)", 5768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods); 5778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_SELECTED_REGISTRAR_CONFIG_METHODS); 5788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 2); 5798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, methods); 5808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 5818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_probe_config_methods(struct wps_registrar *reg, 5858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg) 5868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 methods; 5888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 5898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * These are the methods that the AP supports as an Enrollee for adding 5908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * external Registrars. 5918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 5928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods = reg->wps->config_methods & ~WPS_CONFIG_PUSHBUTTON; 5938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON | 5948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_CONFIG_PHY_PUSHBUTTON); 5958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Config Methods (%x)", methods); 5968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_CONFIG_METHODS); 5978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 2); 5988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, methods); 5998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 6008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_config_methods_r(struct wps_registrar *reg, 6048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg) 6058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6061f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return wps_build_config_methods(msg, reg->wps->config_methods); 6078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtconst u8 * wps_authorized_macs(struct wps_registrar *reg, size_t *count) 6118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *count = 0; 6138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (*count < WPS_MAX_AUTHORIZED_MACS) { 6158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (is_zero_ether_addr(reg->authorized_macs_union[*count])) 6168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 6178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (*count)++; 6188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return (const u8 *) reg->authorized_macs_union; 6218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 6258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_init - Initialize WPS Registrar data 6268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @wps: Pointer to longterm WPS context 6278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @cfg: Registrar configuration 6288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Pointer to allocated Registrar data or %NULL on failure 6298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 6308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is used to initialize WPS Registrar functionality. It can be 6318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * used for a single Registrar run (e.g., when run in a supplicant) or multiple 6328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * runs (e.g., when run as an internal Registrar in an AP). Caller is 6338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * responsible for freeing the returned data with wps_registrar_deinit() when 6348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Registrar functionality is not needed anymore. 6358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 6368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wps_registrar * 6378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtwps_registrar_init(struct wps_context *wps, 6388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_registrar_config *cfg) 6398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar *reg = os_zalloc(sizeof(*reg)); 6418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg == NULL) 6428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 6438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_init(®->pins); 64504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dl_list_init(®->nfc_pw_tokens); 6468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->wps = wps; 6478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->new_psk_cb = cfg->new_psk_cb; 6488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->set_ie_cb = cfg->set_ie_cb; 6498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pin_needed_cb = cfg->pin_needed_cb; 6508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->reg_success_cb = cfg->reg_success_cb; 6518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->set_sel_reg_cb = cfg->set_sel_reg_cb; 6528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->enrollee_seen_cb = cfg->enrollee_seen_cb; 6538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->cb_ctx = cfg->cb_ctx; 6548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->skip_cred_build = cfg->skip_cred_build; 6558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cfg->extra_cred) { 6568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->extra_cred = wpabuf_alloc_copy(cfg->extra_cred, 6578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cfg->extra_cred_len); 6588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->extra_cred == NULL) { 6598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(reg); 6608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 6618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->disable_auto_conf = cfg->disable_auto_conf; 6648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_dev_password_id_override = -1; 6658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_config_methods_override = -1; 6668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->static_wep_only = cfg->static_wep_only; 6678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->dualband = cfg->dualband; 668391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt reg->force_per_enrollee_psk = cfg->force_per_enrollee_psk; 6698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_set_ie(reg)) { 6718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_deinit(reg); 6728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 6738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return reg; 6768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6796c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtvoid wps_registrar_flush(struct wps_registrar *reg) 6806c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt{ 6816c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (reg == NULL) 6826c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return; 6836c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wps_free_pins(®->pins); 6846c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wps_free_nfc_pw_tokens(®->nfc_pw_tokens, 0); 6856c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wps_free_pbc_sessions(reg->pbc_sessions); 6866c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt reg->pbc_sessions = NULL; 6876c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wps_free_devices(reg->devices); 6886c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt reg->devices = NULL; 6896c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt#ifdef WPS_WORKAROUNDS 6906c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt reg->pbc_ignore_start.sec = 0; 6916c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt#endif /* WPS_WORKAROUNDS */ 6926c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt} 6936c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 6946c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 6958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 6968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_deinit - Deinitialize WPS Registrar data 6978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 6988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 6998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid wps_registrar_deinit(struct wps_registrar *reg) 7008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 7018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg == NULL) 7028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_pbc_timeout, reg, NULL); 7048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL); 7056c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt wps_registrar_flush(reg); 7068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(reg->extra_cred); 7078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(reg); 7088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 7098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 711d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidtstatic void wps_registrar_invalidate_unused(struct wps_registrar *reg) 712d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt{ 713d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt struct wps_uuid_pin *pin; 714d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 715d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt dl_list_for_each(pin, ®->pins, struct wps_uuid_pin, list) { 716d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt if (pin->wildcard_uuid == 1 && !(pin->flags & PIN_LOCKED)) { 717d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalidate previously " 718d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt "configured wildcard PIN"); 719d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt wps_registrar_remove_pin(reg, pin); 720d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt break; 721d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt } 722d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt } 723d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt} 724d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 725d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 7268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 7278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_add_pin - Configure a new PIN for Registrar 7288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 7298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @addr: Enrollee MAC address or %NULL if not known 7308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @uuid: UUID-E or %NULL for wildcard (any UUID) 7318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @pin: PIN (Device Password) 7328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @pin_len: Length of pin in octets 7338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @timeout: Time (in seconds) when the PIN will be invalidated; 0 = no timeout 7348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 7358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 7368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_add_pin(struct wps_registrar *reg, const u8 *addr, 7378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *uuid, const u8 *pin, size_t pin_len, 7388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int timeout) 7398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 7408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *p; 7418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p = os_zalloc(sizeof(*p)); 7438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (p == NULL) 7448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 7458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (addr) 7468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(p->enrollee_addr, addr, ETH_ALEN); 7478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (uuid == NULL) 7488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p->wildcard_uuid = 1; 7498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 7508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(p->uuid, uuid, WPS_UUID_LEN); 7518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p->pin = os_malloc(pin_len); 7528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (p->pin == NULL) { 7538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(p); 7548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 7558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(p->pin, pin, pin_len); 7578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p->pin_len = pin_len; 7588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (timeout) { 7608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p->flags |= PIN_EXPIRES; 761fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_get_reltime(&p->expiration); 7628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p->expiration.sec += timeout; 7638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 765d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt if (p->wildcard_uuid) 766d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt wps_registrar_invalidate_unused(reg); 767d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 7688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_add(®->pins, &p->list); 7698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: A new PIN configured (timeout=%d)", 7718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt timeout); 7728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: UUID", uuid, WPS_UUID_LEN); 7738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_ascii_key(MSG_DEBUG, "WPS: PIN", pin, pin_len); 7748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar = 1; 7758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc = 0; 7768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (addr) 7778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_add_authorized_mac(reg, addr); 7788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 7798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_add_authorized_mac( 7808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg, (u8 *) "\xff\xff\xff\xff\xff\xff"); 7814b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 7828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL); 7838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(WPS_PBC_WALK_TIME, 0, 7848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_set_selected_timeout, 7858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg, NULL); 7868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 7888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 7898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_remove_pin(struct wps_registrar *reg, 7928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin) 7938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 7948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *addr; 7958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 bcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 7968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (is_zero_ether_addr(pin->enrollee_addr)) 7988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr = bcast; 7998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 8008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr = pin->enrollee_addr; 8018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_authorized_mac(reg, addr); 8028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_remove_pin(pin); 8034b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 8048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_expire_pins(struct wps_registrar *reg) 8088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin, *prev; 810fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt struct os_reltime now; 8118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 812fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_get_reltime(&now); 8138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each_safe(pin, prev, ®->pins, struct wps_uuid_pin, list) 8148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 8158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((pin->flags & PIN_EXPIRES) && 816fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_reltime_before(&pin->expiration, &now)) { 8178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Expired PIN for UUID", 8188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin->uuid, WPS_UUID_LEN); 8198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_pin(reg, pin); 8208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 8268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_invalidate_wildcard_pin - Invalidate a wildcard PIN 8278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 82804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt * @dev_pw: PIN to search for or %NULL to match any 82904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt * @dev_pw_len: Length of dev_pw in octets 8308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 if not wildcard PIN is enabled 8318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 83204949598a23f501be6eec21697465fd46a28840aDmitry Shmidtstatic int wps_registrar_invalidate_wildcard_pin(struct wps_registrar *reg, 83304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *dev_pw, 83404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t dev_pw_len) 8358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin, *prev; 8378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each_safe(pin, prev, ®->pins, struct wps_uuid_pin, list) 8398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 84004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (dev_pw && pin->pin && 84104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt (dev_pw_len != pin->pin_len || 842c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt os_memcmp_const(dev_pw, pin->pin, dev_pw_len) != 0)) 84304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt continue; /* different PIN */ 8448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pin->wildcard_uuid) { 8458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Invalidated PIN for UUID", 8468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin->uuid, WPS_UUID_LEN); 8478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_pin(reg, pin); 8488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 8498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 8538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 8578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_invalidate_pin - Invalidate a PIN for a specific UUID-E 8588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 8598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @uuid: UUID-E 8608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure (e.g., PIN not found) 8618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 8628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_invalidate_pin(struct wps_registrar *reg, const u8 *uuid) 8638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin, *prev; 8658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each_safe(pin, prev, ®->pins, struct wps_uuid_pin, list) 8678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 8688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(pin->uuid, uuid, WPS_UUID_LEN) == 0) { 8698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Invalidated PIN for UUID", 8708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin->uuid, WPS_UUID_LEN); 8718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_pin(reg, pin); 8728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 8738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 8778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const u8 * wps_registrar_get_pin(struct wps_registrar *reg, 8818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *uuid, size_t *pin_len) 8828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin, *found = NULL; 8848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_expire_pins(reg); 8868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each(pin, ®->pins, struct wps_uuid_pin, list) { 8888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!pin->wildcard_uuid && 8898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(pin->uuid, uuid, WPS_UUID_LEN) == 0) { 8908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt found = pin; 8918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 8928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!found) { 8968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Check for wildcard UUIDs since none of the UUID-specific 8978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * PINs matched */ 8988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each(pin, ®->pins, struct wps_uuid_pin, list) { 899c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt if (pin->wildcard_uuid == 1 || 900c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt pin->wildcard_uuid == 2) { 9018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Found a wildcard " 9028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "PIN. Assigned it for this UUID-E"); 903c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt pin->wildcard_uuid++; 9048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pin->uuid, uuid, WPS_UUID_LEN); 9058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt found = pin; 9068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 9078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!found) 9128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 9138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 9158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Lock the PIN to avoid attacks based on concurrent re-use of the PIN 9168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * that could otherwise avoid PIN invalidations. 9178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 9188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (found->flags & PIN_LOCKED) { 9198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Selected PIN locked - do not " 9208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "allow concurrent re-use"); 9218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 9228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pin_len = found->pin_len; 9248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt found->flags |= PIN_LOCKED; 9258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return found->pin; 9268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 9308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_unlock_pin - Unlock a PIN for a specific UUID-E 9318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 9328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @uuid: UUID-E 9338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 9348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 9358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * PINs are locked to enforce only one concurrent use. This function unlocks a 9368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * PIN to allow it to be used again. If the specified PIN was configured using 9378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * a wildcard UUID, it will be removed instead of allowing multiple uses. 9388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 9398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_unlock_pin(struct wps_registrar *reg, const u8 *uuid) 9408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin; 9428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each(pin, ®->pins, struct wps_uuid_pin, list) { 9448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(pin->uuid, uuid, WPS_UUID_LEN) == 0) { 945c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt if (pin->wildcard_uuid == 3) { 9468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalidating used " 9478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wildcard PIN"); 9488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_registrar_invalidate_pin(reg, uuid); 9498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin->flags &= ~PIN_LOCKED; 9518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 9528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 9568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_stop_pbc(struct wps_registrar *reg) 9608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar = 0; 9628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc = 0; 9638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(reg->p2p_dev_addr, 0, ETH_ALEN); 9648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_authorized_mac(reg, 9658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) "\xff\xff\xff\xff\xff\xff"); 9664b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 9678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_pbc_timeout(void *eloop_ctx, void *timeout_ctx) 9718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar *reg = eloop_ctx; 9738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC timed out - disable PBC mode"); 9758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_pbc_timeout_event(reg->wps); 9768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_stop_pbc(reg); 9778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 9818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_button_pushed - Notify Registrar that AP button was pushed 9828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 9838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @p2p_dev_addr: Limit allowed PBC devices to the specified P2P device, %NULL 9848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * indicates no such filtering 9858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure, -2 on session overlap 9868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 9878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called on an AP when a push button is pushed to activate 9888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * PBC mode. The PBC mode will be stopped after walk time (2 minutes) timeout 9898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * or when a PBC registration is completed. If more than one Enrollee in active 9908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * PBC mode has been detected during the monitor time (previous 2 minutes), the 9911f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * PBC mode is not activated and -2 is returned to indicate session overlap. 9921f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * This is skipped if a specific Enrollee is selected. 9938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 9948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_button_pushed(struct wps_registrar *reg, 9958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *p2p_dev_addr) 9968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (p2p_dev_addr == NULL && 9988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pbc_overlap(reg, NULL, NULL)) { 9998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC overlap - do not start PBC " 10008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "mode"); 10018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_pbc_overlap_event(reg->wps); 10028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -2; 10038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Button pushed - PBC mode started"); 10058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->force_pbc_overlap = 0; 10068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar = 1; 10078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc = 1; 10088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (p2p_dev_addr) 10098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(reg->p2p_dev_addr, p2p_dev_addr, ETH_ALEN); 10108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 10118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(reg->p2p_dev_addr, 0, ETH_ALEN); 10128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_add_authorized_mac(reg, 10138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) "\xff\xff\xff\xff\xff\xff"); 10144b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 10158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1016b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps_pbc_active_event(reg->wps); 10178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL); 10188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_pbc_timeout, reg, NULL); 10198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wps_registrar_pbc_timeout, 10208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg, NULL); 10218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 10228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_pbc_completed(struct wps_registrar *reg) 10268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC completed - stopping PBC mode"); 10288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_pbc_timeout, reg, NULL); 10298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_stop_pbc(reg); 1030b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps_pbc_disable_event(reg->wps); 10318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_pin_completed(struct wps_registrar *reg) 10358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PIN completed using internal Registrar"); 10378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL); 10388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar = 0; 10394b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 10408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 104304949598a23f501be6eec21697465fd46a28840aDmitry Shmidtvoid wps_registrar_complete(struct wps_registrar *registrar, const u8 *uuid_e, 104404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *dev_pw, size_t dev_pw_len) 10451f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 10461f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (registrar->pbc) { 10471f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps_registrar_remove_pbc_session(registrar, 10481f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt uuid_e, NULL); 10491f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps_registrar_pbc_completed(registrar); 1050fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#ifdef WPS_WORKAROUNDS 1051fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_get_reltime(®istrar->pbc_ignore_start); 1052fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#endif /* WPS_WORKAROUNDS */ 1053d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt os_memcpy(registrar->pbc_ignore_uuid, uuid_e, WPS_UUID_LEN); 10541f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } else { 10551f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps_registrar_pin_completed(registrar); 10561f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 105704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 105804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (dev_pw && 105904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_registrar_invalidate_wildcard_pin(registrar, dev_pw, 106004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dev_pw_len) == 0) { 106104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: Invalidated wildcard PIN", 106204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dev_pw, dev_pw_len); 106304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 10641f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 10651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 10661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 10678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_wps_cancel(struct wps_registrar *reg) 10688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->pbc) { 10708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC is set - cancelling it"); 10718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pbc_timeout(reg, NULL); 1072c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt eloop_cancel_timeout(wps_registrar_pbc_timeout, reg, NULL); 10738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 10748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (reg->selected_registrar) { 10758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* PIN Method */ 10768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PIN is set - cancelling it"); 10778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pin_completed(reg); 107804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_registrar_invalidate_wildcard_pin(reg, NULL, 0); 10798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 10808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 10828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 10868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_probe_req_rx - Notify Registrar of Probe Request 10878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 10888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @addr: MAC address of the Probe Request sender 10898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @wps_data: WPS IE contents 10908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 10918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called on an AP when a Probe Request with WPS IE is 10928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * received. This is used to track PBC mode use and to detect possible overlap 10938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * situation with other WPS APs. 10948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 10958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid wps_registrar_probe_req_rx(struct wps_registrar *reg, const u8 *addr, 10968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *wps_data, 10978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int p2p_wildcard) 10988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 1100d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt int skip_add = 0; 11018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_buf(MSG_MSGDUMP, 11038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "WPS: Probe Request with WPS data received", 11048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_data); 11058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(wps_data, &attr) < 0) 11078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.config_methods == NULL) { 11108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Config Methods attribute in " 11118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Probe Request"); 11128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.dev_password_id == NULL) { 11168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Device Password Id attribute " 11178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "in Probe Request"); 11188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->enrollee_seen_cb && attr.uuid_e && 11228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr.primary_dev_type && attr.request_type && !p2p_wildcard) { 11238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *dev_name = NULL; 11248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.dev_name) { 11258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dev_name = os_zalloc(attr.dev_name_len + 1); 11268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (dev_name) { 11278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dev_name, attr.dev_name, 11288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr.dev_name_len); 11298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->enrollee_seen_cb(reg->cb_ctx, addr, attr.uuid_e, 11328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr.primary_dev_type, 11338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_GET_BE16(attr.config_methods), 11348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_GET_BE16(attr.dev_password_id), 11358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.request_type, dev_name); 11368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(dev_name); 11378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (WPA_GET_BE16(attr.dev_password_id) != DEV_PW_PUSHBUTTON) 11408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; /* Not PBC */ 11418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Probe Request for PBC received from " 11438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MACSTR, MAC2STR(addr)); 11448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.uuid_e == NULL) { 11458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalid Probe Request WPS IE: No " 11468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "UUID-E included"); 11478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: UUID-E from Probe Request", attr.uuid_e, 11508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_UUID_LEN); 11518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1152d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt#ifdef WPS_WORKAROUNDS 1153d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt if (reg->pbc_ignore_start.sec && 1154d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt os_memcmp(attr.uuid_e, reg->pbc_ignore_uuid, WPS_UUID_LEN) == 0) { 1155fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt struct os_reltime now, dur; 1156fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_get_reltime(&now); 1157fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_reltime_sub(&now, ®->pbc_ignore_start, &dur); 1158d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt if (dur.sec >= 0 && dur.sec < 5) { 1159d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Ignore PBC activation " 1160d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt "based on Probe Request from the Enrollee " 1161d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt "that just completed PBC provisioning"); 1162d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt skip_add = 1; 1163d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt } else 1164d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt reg->pbc_ignore_start.sec = 0; 1165d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt } 1166d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt#endif /* WPS_WORKAROUNDS */ 1167d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 1168d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt if (!skip_add) 1169d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt wps_registrar_add_pbc_session(reg, addr, attr.uuid_e); 11708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_registrar_pbc_overlap(reg, addr, attr.uuid_e)) { 11718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC session overlap detected"); 11728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->force_pbc_overlap = 1; 11738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_pbc_overlap_event(reg->wps); 11748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1178b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidtint wps_cb_new_psk(struct wps_registrar *reg, const u8 *mac_addr, 1179b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt const u8 *p2p_dev_addr, const u8 *psk, size_t psk_len) 11808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 11818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->new_psk_cb == NULL) 11828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 11838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1184391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt return reg->new_psk_cb(reg->cb_ctx, mac_addr, p2p_dev_addr, psk, 1185391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt psk_len); 11868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_cb_pin_needed(struct wps_registrar *reg, const u8 *uuid_e, 11908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_device_data *dev) 11918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 11928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->pin_needed_cb == NULL) 11938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pin_needed_cb(reg->cb_ctx, uuid_e, dev); 11968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_cb_reg_success(struct wps_registrar *reg, const u8 *mac_addr, 120004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *uuid_e, const u8 *dev_pw, 120104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t dev_pw_len) 12028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 12038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->reg_success_cb == NULL) 12048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 12058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 120604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt reg->reg_success_cb(reg->cb_ctx, mac_addr, uuid_e, dev_pw, dev_pw_len); 12078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 12088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_cb_set_ie(struct wps_registrar *reg, struct wpabuf *beacon_ie, 12118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *probe_resp_ie) 12128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 12138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return reg->set_ie_cb(reg->cb_ctx, beacon_ie, probe_resp_ie); 12148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 12158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_cb_set_sel_reg(struct wps_registrar *reg) 12188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 12198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 methods = 0; 12208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->set_sel_reg_cb == NULL) 12218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 12228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->selected_registrar) { 12248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods = reg->wps->config_methods & ~WPS_CONFIG_PUSHBUTTON; 12258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON | 12268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_CONFIG_PHY_PUSHBUTTON); 12278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->pbc) 12288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_set_pushbutton(&methods, reg->wps->config_methods); 12298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: wps_cb_set_sel_reg: sel_reg=%d " 12328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "config_methods=0x%x pbc=%d methods=0x%x", 12338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar, reg->wps->config_methods, 12348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc, methods); 12358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->set_sel_reg_cb(reg->cb_ctx, reg->selected_registrar, 12378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc ? DEV_PW_PUSHBUTTON : DEV_PW_DEFAULT, 12388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods); 12398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 12408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_set_ie(struct wps_registrar *reg) 12438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 12448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *beacon; 12458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *probe; 12468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *auth_macs; 12478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t count; 12488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t vendor_len = 0; 12498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 12508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->set_ie_cb == NULL) 12528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 12538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) { 12558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->wps->dev.vendor_ext[i]) { 12568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt vendor_len += 2 + 2; 12578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt vendor_len += wpabuf_len(reg->wps->dev.vendor_ext[i]); 12588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt beacon = wpabuf_alloc(400 + vendor_len); 12628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (beacon == NULL) 12638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 12648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt probe = wpabuf_alloc(500 + vendor_len); 12658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (probe == NULL) { 12668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(beacon); 12678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 12688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt auth_macs = wps_authorized_macs(reg, &count); 12718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Build Beacon IEs"); 12738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(beacon) || 12758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wps_state(reg->wps, beacon) || 12768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_ap_setup_locked(reg->wps, beacon) || 12778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_selected_registrar(reg, beacon) || 12788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_sel_reg_dev_password_id(reg, beacon) || 12798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_sel_reg_config_methods(reg, beacon) || 12808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_sel_pbc_reg_uuid_e(reg, beacon) || 1281b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt (reg->dualband && wps_build_rf_bands(®->wps->dev, beacon, 0)) || 12828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(beacon, 0, auth_macs, count) || 12838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_vendor_ext(®->wps->dev, beacon)) { 12848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(beacon); 12858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(probe); 12868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 12878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 12908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_dev_name(®->wps->dev, beacon) || 12918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_primary_dev_type(®->wps->dev, beacon)) { 12928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(beacon); 12938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(probe); 12948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 12958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 12978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Build Probe Response IEs"); 12998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(probe) || 13018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wps_state(reg->wps, probe) || 13028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_ap_setup_locked(reg->wps, probe) || 13038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_selected_registrar(reg, probe) || 13048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_sel_reg_dev_password_id(reg, probe) || 13058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_sel_reg_config_methods(reg, probe) || 13068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_resp_type(probe, reg->wps->ap ? WPS_RESP_AP : 13078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_RESP_REGISTRAR) || 13088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_uuid_e(probe, reg->wps->uuid) || 13098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_device_attrs(®->wps->dev, probe) || 13108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_probe_config_methods(reg, probe) || 1311b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt (reg->dualband && wps_build_rf_bands(®->wps->dev, probe, 0)) || 13128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(probe, 0, auth_macs, count) || 13138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_vendor_ext(®->wps->dev, probe)) { 13148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(beacon); 13158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(probe); 13168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 13178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt beacon = wps_ie_encapsulate(beacon); 13208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt probe = wps_ie_encapsulate(probe); 13218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!beacon || !probe) { 13238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(beacon); 13248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(probe); 13258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 13268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->static_wep_only) { 13298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 13308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Windows XP and Vista clients can get confused about 13318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * EAP-Identity/Request when they probe the network with 13328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * EAPOL-Start. In such a case, they may assume the network is 13338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * using IEEE 802.1X and prompt user for a certificate while 13348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the correct (non-WPS) behavior would be to ask for the 13358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * static WEP key. As a workaround, use Microsoft Provisioning 13368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * IE to advertise that legacy 802.1X is not supported. 13378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 13388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 ms_wps[7] = { 13398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WLAN_EID_VENDOR_SPECIFIC, 5, 13408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Microsoft Provisioning IE (00:50:f2:5) */ 13418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 0x00, 0x50, 0xf2, 5, 13428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 0x00 /* no legacy 802.1X or MS WPS */ 13438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt }; 13448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Add Microsoft Provisioning IE " 13458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "into Beacon/Probe Response frames"); 13468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(beacon, ms_wps, sizeof(ms_wps)); 13478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(probe, ms_wps, sizeof(ms_wps)); 13488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_cb_set_ie(reg, beacon, probe); 13518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 13528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_get_dev_password(struct wps_data *wps) 13558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 13568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pin; 13578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t pin_len = 0; 13588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1359c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt bin_clear_free(wps->dev_password, wps->dev_password_len); 13608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_password = NULL; 13618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->pbc) { 13638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Use default PIN for PBC"); 13648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin = (const u8 *) "00000000"; 13658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin_len = 8; 136604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#ifdef CONFIG_WPS_NFC 136704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } else if (wps->nfc_pw_token) { 1368cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (wps->nfc_pw_token->pw_id == DEV_PW_NFC_CONNECTION_HANDOVER) 1369cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt { 1370cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Using NFC connection " 1371cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt "handover and abbreviated WPS handshake " 1372cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt "without Device Password"); 1373cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt return 0; 1374cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt } 137504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Use OOB Device Password from NFC " 137604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt "Password Token"); 137704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt pin = wps->nfc_pw_token->dev_pw; 137804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt pin_len = wps->nfc_pw_token->dev_pw_len; 1379cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt } else if (wps->dev_pw_id >= 0x10 && 1380cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps->wps->ap_nfc_dev_pw_id == wps->dev_pw_id && 1381cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps->wps->ap_nfc_dev_pw) { 1382cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Use OOB Device Password from own NFC Password Token"); 1383cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt pin = wpabuf_head(wps->wps->ap_nfc_dev_pw); 1384cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt pin_len = wpabuf_len(wps->wps->ap_nfc_dev_pw); 138504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#endif /* CONFIG_WPS_NFC */ 13868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 13878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin = wps_registrar_get_pin(wps->wps->registrar, wps->uuid_e, 13888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &pin_len); 1389f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt if (pin && wps->dev_pw_id >= 0x10) { 1390f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No match for OOB Device " 1391f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt "Password ID, but PIN found"); 1392f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt /* 1393f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt * See whether Enrollee is willing to use PIN instead. 1394f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt */ 1395f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt wps->dev_pw_id = DEV_PW_DEFAULT; 1396f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt } 13978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pin == NULL) { 13998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Device Password available for " 14005460547a121207cf7a99eac45e05fcdd83be3161Dmitry Shmidt "the Enrollee (context %p registrar %p)", 14015460547a121207cf7a99eac45e05fcdd83be3161Dmitry Shmidt wps->wps, wps->wps->registrar); 14028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_cb_pin_needed(wps->wps->registrar, wps->uuid_e, 14038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &wps->peer_dev); 14048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 14058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_password = os_malloc(pin_len); 14088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->dev_password == NULL) 14098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 14108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->dev_password, pin, pin_len); 14118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_password_len = pin_len; 14128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_uuid_r(struct wps_data *wps, struct wpabuf *msg) 14188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * UUID-R"); 14208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_UUID_R); 14218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, WPS_UUID_LEN); 14228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(msg, wps->uuid_r, WPS_UUID_LEN); 14238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_r_hash(struct wps_data *wps, struct wpabuf *msg) 14288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *hash; 14308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr[4]; 14318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len[4]; 14328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (random_get_bytes(wps->snonce, 2 * WPS_SECRET_NONCE_LEN) < 0) 14348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 14358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: R-S1", wps->snonce, WPS_SECRET_NONCE_LEN); 14368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: R-S2", 14378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->snonce + WPS_SECRET_NONCE_LEN, WPS_SECRET_NONCE_LEN); 14388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->dh_pubkey_e == NULL || wps->dh_pubkey_r == NULL) { 14408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: DH public keys not available for " 14418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "R-Hash derivation"); 14428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 14438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * R-Hash1"); 14468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_R_HASH1); 14478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, SHA256_MAC_LEN); 14488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hash = wpabuf_put(msg, SHA256_MAC_LEN); 14498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* R-Hash1 = HMAC_AuthKey(R-S1 || PSK1 || PK_E || PK_R) */ 14508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[0] = wps->snonce; 14518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[0] = WPS_SECRET_NONCE_LEN; 14528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[1] = wps->psk1; 14538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[1] = WPS_PSK_LEN; 14548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[2] = wpabuf_head(wps->dh_pubkey_e); 14558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[2] = wpabuf_len(wps->dh_pubkey_e); 14568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[3] = wpabuf_head(wps->dh_pubkey_r); 14578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[3] = wpabuf_len(wps->dh_pubkey_r); 14588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash); 14598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: R-Hash1", hash, SHA256_MAC_LEN); 14608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * R-Hash2"); 14628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_R_HASH2); 14638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, SHA256_MAC_LEN); 14648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hash = wpabuf_put(msg, SHA256_MAC_LEN); 14658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* R-Hash2 = HMAC_AuthKey(R-S2 || PSK2 || PK_E || PK_R) */ 14668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[0] = wps->snonce + WPS_SECRET_NONCE_LEN; 14678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[1] = wps->psk2; 14688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash); 14698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: R-Hash2", hash, SHA256_MAC_LEN); 14708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_r_snonce1(struct wps_data *wps, struct wpabuf *msg) 14768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * R-SNonce1"); 14788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_R_SNONCE1); 14798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, WPS_SECRET_NONCE_LEN); 14808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(msg, wps->snonce, WPS_SECRET_NONCE_LEN); 14818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_r_snonce2(struct wps_data *wps, struct wpabuf *msg) 14868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * R-SNonce2"); 14888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_R_SNONCE2); 14898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, WPS_SECRET_NONCE_LEN); 14908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(msg, wps->snonce + WPS_SECRET_NONCE_LEN, 14918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_SECRET_NONCE_LEN); 14928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_cred_network_idx(struct wpabuf *msg, 14978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 14988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Network Index (1)"); 15008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_NETWORK_INDEX); 15018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 1); 15028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(msg, 1); 15038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 15048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_cred_ssid(struct wpabuf *msg, 15088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 15098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * SSID"); 15118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID for Credential", 15128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->ssid, cred->ssid_len); 15138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_SSID); 15148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, cred->ssid_len); 15158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(msg, cred->ssid, cred->ssid_len); 15168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 15178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_cred_auth_type(struct wpabuf *msg, 15218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 15228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Authentication Type (0x%x)", 15248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->auth_type); 15258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_AUTH_TYPE); 15268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 2); 15278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, cred->auth_type); 15288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 15298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_cred_encr_type(struct wpabuf *msg, 15338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 15348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Encryption Type (0x%x)", 15368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->encr_type); 15378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_ENCR_TYPE); 15388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 2); 15398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, cred->encr_type); 15408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 15418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_cred_network_key(struct wpabuf *msg, 15458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 15468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Network Key (len=%d)", 15488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (int) cred->key_len); 15498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key", 15508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->key, cred->key_len); 15518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_NETWORK_KEY); 15528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, cred->key_len); 15538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(msg, cred->key, cred->key_len); 15548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 15558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_credential(struct wpabuf *msg, 15598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 15608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_cred_network_idx(msg, cred) || 15628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_cred_ssid(msg, cred) || 15638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_cred_auth_type(msg, cred) || 15648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_cred_encr_type(msg, cred) || 15658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_cred_network_key(msg, cred) || 15664b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_build_mac_addr(msg, cred->mac_addr)) 15678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 15688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 15698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15721f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtint wps_build_credential_wrap(struct wpabuf *msg, 15731f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const struct wps_credential *cred) 15741f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 15751f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct wpabuf *wbuf; 15761f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wbuf = wpabuf_alloc(200); 15771f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wbuf == NULL) 15781f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return -1; 15791f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wps_build_credential(wbuf, cred)) { 15801f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(wbuf); 15811f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return -1; 15821f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 15831f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_be16(msg, ATTR_CRED); 15841f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_be16(msg, wpabuf_len(wbuf)); 15851f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_buf(msg, wbuf); 15861f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(wbuf); 15871f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return 0; 15881f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 15891f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 15901f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 15918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_build_cred(struct wps_data *wps, struct wpabuf *msg) 15928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *cred; 15948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->registrar->skip_cred_build) 15968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto skip_cred_build; 15978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Credential"); 15998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->use_cred) { 16008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(&wps->cred, wps->use_cred, sizeof(wps->cred)); 16018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto use_provided; 16028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(&wps->cred, 0, sizeof(wps->cred)); 16048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.ssid, wps->wps->ssid, wps->wps->ssid_len); 16068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.ssid_len = wps->wps->ssid_len; 16078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Select the best authentication and encryption type */ 16098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->auth_type & WPS_AUTH_WPA2PSK) 16108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type = WPS_AUTH_WPA2PSK; 16118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->auth_type & WPS_AUTH_WPAPSK) 16128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type = WPS_AUTH_WPAPSK; 16138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->auth_type & WPS_AUTH_OPEN) 16148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type = WPS_AUTH_OPEN; 16158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else { 16168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unsupported auth_type 0x%x", 16178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type); 16188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.auth_type = wps->auth_type; 16218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->auth_type == WPS_AUTH_WPA2PSK || 16238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type == WPS_AUTH_WPAPSK) { 16248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->encr_type & WPS_ENCR_AES) 16258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->encr_type = WPS_ENCR_AES; 16268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->encr_type & WPS_ENCR_TKIP) 16278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->encr_type = WPS_ENCR_TKIP; 16288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else { 16298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No suitable encryption " 16308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "type for WPA/WPA2"); 16318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 163421de214b4ba4271ca20843f3b8fba9f1501b2a89Dmitry Shmidt if (wps->encr_type & WPS_ENCR_NONE) 16358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->encr_type = WPS_ENCR_NONE; 163621de214b4ba4271ca20843f3b8fba9f1501b2a89Dmitry Shmidt#ifdef CONFIG_TESTING_OPTIONS 163721de214b4ba4271ca20843f3b8fba9f1501b2a89Dmitry Shmidt else if (wps->encr_type & WPS_ENCR_WEP) 163821de214b4ba4271ca20843f3b8fba9f1501b2a89Dmitry Shmidt wps->encr_type = WPS_ENCR_WEP; 163921de214b4ba4271ca20843f3b8fba9f1501b2a89Dmitry Shmidt#endif /* CONFIG_TESTING_OPTIONS */ 16408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else { 16418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No suitable encryption " 16428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "type for non-WPA/WPA2 mode"); 16438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.encr_type = wps->encr_type; 16478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 16488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Set MAC address in the Credential to be the Enrollee's MAC address 16498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 16508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.mac_addr, wps->mac_addr_e, ETH_ALEN); 16518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_state == WPS_STATE_NOT_CONFIGURED && wps->wps->ap && 16538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps->wps->registrar->disable_auto_conf) { 16548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 r[16]; 16558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Generate a random passphrase */ 1656661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt if (random_pool_ready() != 1 || 1657661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt random_get_bytes(r, sizeof(r)) < 0) { 1658661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt wpa_printf(MSG_INFO, 1659661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt "WPS: Could not generate random PSK"); 16608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 1661661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt } 16628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wps->new_psk); 16638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk = base64_encode(r, sizeof(r), &wps->new_psk_len); 16648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->new_psk == NULL) 16658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk_len--; /* remove newline */ 16678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (wps->new_psk_len && 16688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk[wps->new_psk_len - 1] == '=') 16698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk_len--; 16708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_ascii_key(MSG_DEBUG, "WPS: Generated passphrase", 16718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk, wps->new_psk_len); 16728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.key, wps->new_psk, wps->new_psk_len); 16738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.key_len = wps->new_psk_len; 1674391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt } else if (!wps->wps->registrar->force_per_enrollee_psk && 1675391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt wps->use_psk_key && wps->wps->psk_set) { 16768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char hex[65]; 16778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Use PSK format for Network Key"); 16788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_snprintf_hex(hex, sizeof(hex), wps->wps->psk, 32); 16798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.key, hex, 32 * 2); 16808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.key_len = 32 * 2; 1681391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt } else if (!wps->wps->registrar->force_per_enrollee_psk && 1682391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt wps->wps->network_key) { 16838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.key, wps->wps->network_key, 16848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->network_key_len); 16858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.key_len = wps->wps->network_key_len; 16868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (wps->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) { 16878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char hex[65]; 16888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Generate a random per-device PSK */ 16898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wps->new_psk); 16908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk_len = 32; 16918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk = os_malloc(wps->new_psk_len); 16928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->new_psk == NULL) 16938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 1694661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt if (random_pool_ready() != 1 || 1695661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt random_get_bytes(wps->new_psk, wps->new_psk_len) < 0) { 1696661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt wpa_printf(MSG_INFO, 1697661b4f78e48c697429dc46154a4125892c001718Dmitry Shmidt "WPS: Could not generate random PSK"); 16988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wps->new_psk); 16998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk = NULL; 17008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 17018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: Generated per-device PSK", 17038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk, wps->new_psk_len); 17048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_snprintf_hex(hex, sizeof(hex), wps->new_psk, 17058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk_len); 17068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.key, hex, wps->new_psk_len * 2); 17078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.key_len = wps->new_psk_len * 2; 17088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtuse_provided: 17118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_TESTING 17128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_testing_dummy_cred) 17138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred = wpabuf_alloc(200); 17148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 17158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred = NULL; 17168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cred) { 17178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_credential dummy; 17188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Add dummy credential"); 17198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(&dummy, 0, sizeof(dummy)); 17208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dummy.ssid, "dummy", 5); 17218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dummy.ssid_len = 5; 17228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dummy.auth_type = WPS_AUTH_WPA2PSK; 17238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dummy.encr_type = WPS_ENCR_AES; 17248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dummy.key, "dummy psk", 9); 17258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dummy.key_len = 9; 17268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dummy.mac_addr, wps->mac_addr_e, ETH_ALEN); 17278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_credential(cred, &dummy); 17288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_buf(MSG_DEBUG, "WPS: Dummy Credential", cred); 17298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_CRED); 17318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, wpabuf_len(cred)); 17328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_buf(msg, cred); 17338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(cred); 17358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_TESTING */ 17378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred = wpabuf_alloc(200); 17398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cred == NULL) 17408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 17418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_credential(cred, &wps->cred)) { 17438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(cred); 17448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 17458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_CRED); 17488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, wpabuf_len(cred)); 17498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_buf(msg, cred); 17508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(cred); 17518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtskip_cred_build: 17538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->registrar->extra_cred) { 17548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Credential (pre-configured)"); 17558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_buf(msg, wps->wps->registrar->extra_cred); 17568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 17598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_ap_settings(struct wps_data *wps, struct wpabuf *msg) 17638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * AP Settings"); 17658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_credential(msg, &wps->cred)) 17678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 17688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 17708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17731f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtstatic struct wpabuf * wps_build_ap_cred(struct wps_data *wps) 17741f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 17751f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct wpabuf *msg, *plain; 17761f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17771f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt msg = wpabuf_alloc(1000); 17781f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (msg == NULL) 17791f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return NULL; 17801f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17811f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt plain = wpabuf_alloc(200); 17821f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (plain == NULL) { 17831f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(msg); 17841f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return NULL; 17851f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 17861f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17871f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wps_build_ap_settings(wps, plain)) { 17881f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(plain); 17891f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(msg); 17901f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return NULL; 17911f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 17921f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17931f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_be16(msg, ATTR_CRED); 17941f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_be16(msg, wpabuf_len(plain)); 17951f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_buf(msg, plain); 17961f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(plain); 17971f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17981f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return msg; 17991f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 18001f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 18011f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 18028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * wps_build_m2(struct wps_data *wps) 18038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg; 1805cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt int config_in_m2 = 0; 18068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (random_get_bytes(wps->nonce_r, WPS_NONCE_LEN) < 0) 18088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Registrar Nonce", 18108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->nonce_r, WPS_NONCE_LEN); 18118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: UUID-R", wps->uuid_r, WPS_UUID_LEN); 18128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Building Message M2"); 18148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wpabuf_alloc(1000); 18158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg == NULL) 18168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(msg) || 18198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_msg_type(msg, WPS_M2) || 18208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_enrollee_nonce(wps, msg) || 18218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_registrar_nonce(wps, msg) || 18228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_uuid_r(wps, msg) || 18238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_public_key(wps, msg) || 18248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_derive_keys(wps) || 18258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_auth_type_flags(wps, msg) || 18268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_encr_type_flags(wps, msg) || 18278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_conn_type_flags(wps, msg) || 18288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_config_methods_r(wps->wps->registrar, msg) || 18298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_device_attrs(&wps->wps->dev, msg) || 1830b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps_build_rf_bands(&wps->wps->dev, msg, 1831b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->wps->rf_band_cb(wps->wps->cb_ctx)) || 18328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_assoc_state(wps, msg) || 18338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_config_error(msg, WPS_CFG_NO_ERROR) || 18348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_dev_password_id(msg, wps->dev_pw_id) || 18358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_os_version(&wps->wps->dev, msg) || 1836cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps_build_wfa_ext(msg, 0, NULL, 0)) { 1837cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpabuf_free(msg); 1838cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt return NULL; 1839cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt } 1840cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt 1841cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt#ifdef CONFIG_WPS_NFC 1842cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (wps->nfc_pw_token && wps->nfc_pw_token->pk_hash_provided_oob && 1843cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps->nfc_pw_token->pw_id == DEV_PW_NFC_CONNECTION_HANDOVER) { 1844cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt /* 1845cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt * Use abbreviated handshake since public key hash allowed 1846cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt * Enrollee to validate our public key similarly to how Enrollee 1847cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt * public key was validated. There is no need to validate Device 1848cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt * Password in this case. 1849cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt */ 1850cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt struct wpabuf *plain = wpabuf_alloc(500); 1851cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (plain == NULL || 1852cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps_build_cred(wps, plain) || 1853cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps_build_key_wrap_auth(wps, plain) || 1854cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps_build_encr_settings(wps, msg, plain)) { 1855cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpabuf_free(msg); 1856cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpabuf_free(plain); 1857cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt return NULL; 1858cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt } 1859cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpabuf_free(plain); 1860cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt config_in_m2 = 1; 1861cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt } 1862cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt#endif /* CONFIG_WPS_NFC */ 1863cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt 1864cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (wps_build_authenticator(wps, msg)) { 18658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(msg); 18668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 18688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->int_reg = 1; 1870cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps->state = config_in_m2 ? RECV_DONE : RECV_M3; 18718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 18728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * wps_build_m2d(struct wps_data *wps) 18768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg; 18788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 err = wps->config_error; 18798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Building Message M2D"); 18818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wpabuf_alloc(1000); 18828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg == NULL) 18838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->ap && wps->wps->ap_setup_locked && 18868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt err == WPS_CFG_NO_ERROR) 18878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt err = WPS_CFG_SETUP_LOCKED; 18888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(msg) || 18908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_msg_type(msg, WPS_M2D) || 18918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_enrollee_nonce(wps, msg) || 18928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_registrar_nonce(wps, msg) || 18938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_uuid_r(wps, msg) || 18948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_auth_type_flags(wps, msg) || 18958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_encr_type_flags(wps, msg) || 18968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_conn_type_flags(wps, msg) || 18978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_config_methods_r(wps->wps->registrar, msg) || 18988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_device_attrs(&wps->wps->dev, msg) || 1899b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps_build_rf_bands(&wps->wps->dev, msg, 1900b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->wps->rf_band_cb(wps->wps->cb_ctx)) || 19018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_assoc_state(wps, msg) || 19028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_config_error(msg, err) || 19038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_os_version(&wps->wps->dev, msg) || 19048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(msg, 0, NULL, 0)) { 19058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(msg); 19068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = RECV_M2D_ACK; 19108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 19118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 19128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * wps_build_m4(struct wps_data *wps) 19158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 19168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg, *plain; 19178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Building Message M4"); 19198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_derive_psk(wps, wps->dev_password, wps->dev_password_len); 19218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plain = wpabuf_alloc(200); 19238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (plain == NULL) 19248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wpabuf_alloc(1000); 19278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg == NULL) { 19288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(msg) || 19338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_msg_type(msg, WPS_M4) || 19348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_enrollee_nonce(wps, msg) || 19358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_r_hash(wps, msg) || 19368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_r_snonce1(wps, plain) || 19378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_key_wrap_auth(wps, plain) || 19388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_encr_settings(wps, msg, plain) || 19398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(msg, 0, NULL, 0) || 19408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_authenticator(wps, msg)) { 19418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(msg); 19438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = RECV_M5; 19488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 19498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 19508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * wps_build_m6(struct wps_data *wps) 19538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 19548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg, *plain; 19558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Building Message M6"); 19578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plain = wpabuf_alloc(200); 19598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (plain == NULL) 19608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wpabuf_alloc(1000); 19638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg == NULL) { 19648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(msg) || 19698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_msg_type(msg, WPS_M6) || 19708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_enrollee_nonce(wps, msg) || 19718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_r_snonce2(wps, plain) || 19728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_key_wrap_auth(wps, plain) || 19738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_encr_settings(wps, msg, plain) || 19748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(msg, 0, NULL, 0) || 19758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_authenticator(wps, msg)) { 19768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(msg); 19788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps_pin_revealed = 1; 19838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = RECV_M7; 19848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 19858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 19868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * wps_build_m8(struct wps_data *wps) 19898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 19908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg, *plain; 19918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Building Message M8"); 19938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plain = wpabuf_alloc(500); 19958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (plain == NULL) 19968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wpabuf_alloc(1000); 19998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg == NULL) { 20008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 20018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 20028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(msg) || 20058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_msg_type(msg, WPS_M8) || 20068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_enrollee_nonce(wps, msg) || 20078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ((wps->wps->ap || wps->er) && wps_build_cred(wps, plain)) || 20088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (!wps->wps->ap && !wps->er && wps_build_ap_settings(wps, plain)) || 20098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_key_wrap_auth(wps, plain) || 20108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_encr_settings(wps, msg, plain) || 20118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(msg, 0, NULL, 0) || 20128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_authenticator(wps, msg)) { 20138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 20148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(msg); 20158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 20168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 20188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = RECV_DONE; 20208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 20218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 20228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpabuf * wps_registrar_get_msg(struct wps_data *wps, 20258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum wsc_op_code *op_code) 20268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 20278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg; 20288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 20308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!wps->int_reg && wps->wps->wps_upnp) { 20318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct upnp_pending_message *p, *prev = NULL; 20328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ext_reg > 1) 20338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_free_pending_m2(wps->wps); 20348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p = wps->wps->upnp_msgs; 20358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: check pending message MAC address */ 20368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (p && p->next) { 20378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = p; 20388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p = p->next; 20398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (p) { 20418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Use pending message from " 20428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "UPnP"); 20438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (prev) 20448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev->next = NULL; 20458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 20468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->upnp_msgs = NULL; 20478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = p->msg; 20488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (p->type) { 20498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_WSC_ACK: 20508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_ACK; 20518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_WSC_NACK: 20538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_NACK; 20548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 20568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 20578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(p); 20608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ext_reg == 0) 20618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->ext_reg = 1; 20628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 20638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ext_reg) { 20668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Using external Registrar, but no " 20678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "pending message available"); 20688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 20698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 20718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (wps->state) { 20738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_M2: 20748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_get_dev_password(wps) < 0) 20758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m2d(wps); 20768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 20778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m2(wps); 20788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 20798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_M2D: 20818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m2d(wps); 20828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 20838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_M4: 20858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m4(wps); 20868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 20878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_M6: 20898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m6(wps); 20908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 20918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_M8: 20938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m8(wps); 20948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 20958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case RECV_DONE: 20978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_wsc_ack(wps); 20988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_ACK; 20998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 21008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_WSC_NACK: 21018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_wsc_nack(wps); 21028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_NACK; 21038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 21048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 21058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unsupported state %d for building " 21068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "a message", wps->state); 21078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = NULL; 21088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 21098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*op_code == WSC_MSG && msg) { 21128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Save a copy of the last message for Authenticator derivation 21138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 21148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(wps->last_msg); 21158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->last_msg = wpabuf_dup(msg); 21168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 21198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 21208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_enrollee_nonce(struct wps_data *wps, const u8 *e_nonce) 21238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (e_nonce == NULL) { 21258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Enrollee Nonce received"); 21268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->nonce_e, e_nonce, WPS_NONCE_LEN); 21308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Enrollee Nonce", 21318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->nonce_e, WPS_NONCE_LEN); 21328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 21348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 21358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_registrar_nonce(struct wps_data *wps, const u8 *r_nonce) 21388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (r_nonce == NULL) { 21408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Registrar Nonce received"); 21418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(wps->nonce_r, r_nonce, WPS_NONCE_LEN) != 0) { 21458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalid Registrar Nonce received"); 21468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 21508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 21518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_uuid_e(struct wps_data *wps, const u8 *uuid_e) 21548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (uuid_e == NULL) { 21568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No UUID-E received"); 21578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->uuid_e, uuid_e, WPS_UUID_LEN); 21618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: UUID-E", wps->uuid_e, WPS_UUID_LEN); 21628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 21648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 21658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_dev_password_id(struct wps_data *wps, const u8 *pw_id) 21688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pw_id == NULL) { 21708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Device Password ID received"); 21718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id = WPA_GET_BE16(pw_id); 21758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Device Password ID %d", wps->dev_pw_id); 21768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 21788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 21798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_e_hash1(struct wps_data *wps, const u8 *e_hash1) 21828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (e_hash1 == NULL) { 21848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No E-Hash1 received"); 21858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->peer_hash1, e_hash1, WPS_HASH_LEN); 21898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: E-Hash1", wps->peer_hash1, WPS_HASH_LEN); 21908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 21928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 21938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_e_hash2(struct wps_data *wps, const u8 *e_hash2) 21968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (e_hash2 == NULL) { 21988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No E-Hash2 received"); 21998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 22008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 22018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->peer_hash2, e_hash2, WPS_HASH_LEN); 22038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: E-Hash2", wps->peer_hash2, WPS_HASH_LEN); 22048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 22068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 22078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_e_snonce1(struct wps_data *wps, const u8 *e_snonce1) 22108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 22118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 hash[SHA256_MAC_LEN]; 22128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr[4]; 22138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len[4]; 22148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (e_snonce1 == NULL) { 22168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No E-SNonce1 received"); 22178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 22188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 22198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: E-SNonce1", e_snonce1, 22218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_SECRET_NONCE_LEN); 22228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* E-Hash1 = HMAC_AuthKey(E-S1 || PSK1 || PK_E || PK_R) */ 22248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[0] = e_snonce1; 22258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[0] = WPS_SECRET_NONCE_LEN; 22268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[1] = wps->psk1; 22278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[1] = WPS_PSK_LEN; 22288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[2] = wpabuf_head(wps->dh_pubkey_e); 22298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[2] = wpabuf_len(wps->dh_pubkey_e); 22308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[3] = wpabuf_head(wps->dh_pubkey_r); 22318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[3] = wpabuf_len(wps->dh_pubkey_r); 22328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash); 22338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2234c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt if (os_memcmp_const(wps->peer_hash1, hash, WPS_HASH_LEN) != 0) { 22358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: E-Hash1 derived from E-S1 does " 22368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "not match with the pre-committed value"); 22378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_DEV_PASSWORD_AUTH_FAILURE; 2238b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps_pwd_auth_fail_event(wps->wps, 0, 1, wps->mac_addr_e); 22398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 22408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 22418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee proved knowledge of the first " 22438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "half of the device password"); 22448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 22468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 22478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_e_snonce2(struct wps_data *wps, const u8 *e_snonce2) 22508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 22518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 hash[SHA256_MAC_LEN]; 22528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr[4]; 22538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len[4]; 22548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (e_snonce2 == NULL) { 22568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No E-SNonce2 received"); 22578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 22588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 22598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: E-SNonce2", e_snonce2, 22618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_SECRET_NONCE_LEN); 22628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* E-Hash2 = HMAC_AuthKey(E-S2 || PSK2 || PK_E || PK_R) */ 22648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[0] = e_snonce2; 22658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[0] = WPS_SECRET_NONCE_LEN; 22668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[1] = wps->psk2; 22678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[1] = WPS_PSK_LEN; 22688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[2] = wpabuf_head(wps->dh_pubkey_e); 22698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[2] = wpabuf_len(wps->dh_pubkey_e); 22708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[3] = wpabuf_head(wps->dh_pubkey_r); 22718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[3] = wpabuf_len(wps->dh_pubkey_r); 22728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash); 22738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2274c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt if (os_memcmp_const(wps->peer_hash2, hash, WPS_HASH_LEN) != 0) { 22758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: E-Hash2 derived from E-S2 does " 22768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "not match with the pre-committed value"); 22778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_invalidate_pin(wps->wps->registrar, wps->uuid_e); 22788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_DEV_PASSWORD_AUTH_FAILURE; 2279b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps_pwd_auth_fail_event(wps->wps, 0, 2, wps->mac_addr_e); 22808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 22818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 22828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee proved knowledge of the second " 22848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "half of the device password"); 22858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps_pin_revealed = 0; 22868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_unlock_pin(wps->wps->registrar, wps->uuid_e); 22878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2288c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt /* 2289c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * In case wildcard PIN is used and WPS handshake succeeds in the first 2290c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * attempt, wps_registrar_unlock_pin() would not free the PIN, so make 2291c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * sure the PIN gets invalidated here. 2292c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt */ 2293c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt wps_registrar_invalidate_pin(wps->wps->registrar, wps->uuid_e); 2294c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt 22958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 22968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 22978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_mac_addr(struct wps_data *wps, const u8 *mac_addr) 23008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 23018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (mac_addr == NULL) { 23028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No MAC Address received"); 23038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 23048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 23058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee MAC Address " MACSTR, 23078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(mac_addr)); 23088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->mac_addr_e, mac_addr, ETH_ALEN); 23098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->peer_dev.mac_addr, mac_addr, ETH_ALEN); 23108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 23128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 23138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_pubkey(struct wps_data *wps, const u8 *pk, 23168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t pk_len) 23178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 23188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pk == NULL || pk_len == 0) { 23198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Public Key received"); 23208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 23218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 23228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(wps->dh_pubkey_e); 23248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dh_pubkey_e = wpabuf_alloc_copy(pk, pk_len); 23258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->dh_pubkey_e == NULL) 23268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 23278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 23298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 23308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_auth_type_flags(struct wps_data *wps, const u8 *auth) 23338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 23348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 auth_types; 23358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (auth == NULL) { 23378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Authentication Type flags " 23388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "received"); 23398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 23408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 23418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt auth_types = WPA_GET_BE16(auth); 23438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Authentication Type flags 0x%x", 23458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt auth_types); 23468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type = wps->wps->auth_types & auth_types; 23478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->auth_type == 0) { 23488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No match in supported " 23498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "authentication types (own 0x%x Enrollee 0x%x)", 23508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->auth_types, auth_types); 23518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef WPS_WORKAROUNDS 23528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 23538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Some deployed implementations seem to advertise incorrect 23548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * information in this attribute. For example, Linksys WRT350N 23558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * seems to have a byteorder bug that breaks this negotiation. 23568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * In order to interoperate with existing implementations, 23578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * assume that the Enrollee supports everything we do. 23588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 23598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Workaround - assume Enrollee " 23608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "does not advertise supported authentication types " 23618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "correctly"); 23628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type = wps->wps->auth_types; 23638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* WPS_WORKAROUNDS */ 23648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 23658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* WPS_WORKAROUNDS */ 23668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 23678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 23698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 23708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_encr_type_flags(struct wps_data *wps, const u8 *encr) 23738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 23748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 encr_types; 23758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (encr == NULL) { 23778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Encryption Type flags " 23788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "received"); 23798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 23808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 23818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_types = WPA_GET_BE16(encr); 23838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Encryption Type flags 0x%x", 23858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_types); 23868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->encr_type = wps->wps->encr_types & encr_types; 23878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->encr_type == 0) { 23888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No match in supported " 23898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "encryption types (own 0x%x Enrollee 0x%x)", 23908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->encr_types, encr_types); 23918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef WPS_WORKAROUNDS 23928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 23938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Some deployed implementations seem to advertise incorrect 23948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * information in this attribute. For example, Linksys WRT350N 23958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * seems to have a byteorder bug that breaks this negotiation. 23968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * In order to interoperate with existing implementations, 23978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * assume that the Enrollee supports everything we do. 23988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 23998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Workaround - assume Enrollee " 24008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "does not advertise supported encryption types " 24018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "correctly"); 24028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->encr_type = wps->wps->encr_types; 24038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* WPS_WORKAROUNDS */ 24048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 24058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* WPS_WORKAROUNDS */ 24068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 24078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 24098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 24108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_conn_type_flags(struct wps_data *wps, const u8 *conn) 24138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 24148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conn == NULL) { 24158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Connection Type flags " 24168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "received"); 24178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 24188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 24198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Connection Type flags 0x%x", 24218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *conn); 24228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 24248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 24258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_config_methods(struct wps_data *wps, const u8 *methods) 24288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 24298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 m; 24308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (methods == NULL) { 24328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Config Methods received"); 24338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 24348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 24358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m = WPA_GET_BE16(methods); 24378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Config Methods 0x%x" 24398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "%s%s%s%s%s%s%s%s%s", m, 24408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_USBA ? " [USBA]" : "", 24418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_ETHERNET ? " [Ethernet]" : "", 24428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_LABEL ? " [Label]" : "", 24438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_DISPLAY ? " [Display]" : "", 24448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_EXT_NFC_TOKEN ? " [Ext NFC Token]" : "", 24458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_INT_NFC_TOKEN ? " [Int NFC Token]" : "", 24468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_NFC_INTERFACE ? " [NFC]" : "", 24478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_PUSHBUTTON ? " [PBC]" : "", 24488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_KEYPAD ? " [Keypad]" : ""); 24498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!(m & WPS_CONFIG_DISPLAY) && !wps->use_psk_key) { 24518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 24528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * The Enrollee does not have a display so it is unlikely to be 24538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * able to show the passphrase to a user and as such, could 24548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * benefit from receiving PSK to reduce key derivation time. 24558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 24568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Prefer PSK format key due to " 24578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Enrollee not supporting display"); 24588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->use_psk_key = 1; 24598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 24608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 24628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 24638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_wps_state(struct wps_data *wps, const u8 *state) 24668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 24678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (state == NULL) { 24688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Wi-Fi Protected Setup State " 24698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "received"); 24708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 24718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 24728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Wi-Fi Protected Setup State %d", 24748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *state); 24758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 24778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 24788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_assoc_state(struct wps_data *wps, const u8 *assoc) 24818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 24828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 a; 24838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (assoc == NULL) { 24858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Association State received"); 24868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 24878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 24888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt a = WPA_GET_BE16(assoc); 24908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Association State %d", a); 24918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 24938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 24948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_config_error(struct wps_data *wps, const u8 *err) 24978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 24988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 e; 24998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (err == NULL) { 25018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Configuration Error received"); 25028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 25038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 25048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt e = WPA_GET_BE16(err); 25068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Configuration Error %d", e); 25078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 25098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 25108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_registrar_p2p_dev_addr_match(struct wps_data *wps) 25138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 25148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 25158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar *reg = wps->wps->registrar; 25168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (is_zero_ether_addr(reg->p2p_dev_addr)) 25188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; /* no filtering in use */ 25198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(reg->p2p_dev_addr, wps->p2p_dev_addr, ETH_ALEN) != 0) { 25218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No match on P2P Device Address " 25228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "filtering for PBC: expected " MACSTR " was " 25238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MACSTR " - indicate PBC session overlap", 25248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(reg->p2p_dev_addr), 25258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(wps->p2p_dev_addr)); 25268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 25278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 25288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 25298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 25308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 25318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_registrar_skip_overlap(struct wps_data *wps) 25348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 25358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 25368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar *reg = wps->wps->registrar; 25378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (is_zero_ether_addr(reg->p2p_dev_addr)) 25398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; /* no specific Enrollee selected */ 25408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(reg->p2p_dev_addr, wps->p2p_dev_addr, ETH_ALEN) == 0) { 25428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Skip PBC overlap due to selected " 25438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Enrollee match"); 25448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 25458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 25468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 25478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 25488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 25498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_m1(struct wps_data *wps, 25528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr *attr) 25538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 25548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received M1"); 25558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state != RECV_M1) { 25578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for " 25588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "receiving M1", wps->state); 25598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 25608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 25618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_process_uuid_e(wps, attr->uuid_e) || 25638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_mac_addr(wps, attr->mac_addr) || 25648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_enrollee_nonce(wps, attr->enrollee_nonce) || 25658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_pubkey(wps, attr->public_key, attr->public_key_len) || 25668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_auth_type_flags(wps, attr->auth_type_flags) || 25678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_encr_type_flags(wps, attr->encr_type_flags) || 25688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_conn_type_flags(wps, attr->conn_type_flags) || 25698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_config_methods(wps, attr->config_methods) || 25708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_wps_state(wps, attr->wps_state) || 25718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_device_attrs(&wps->peer_dev, attr) || 25728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_rf_bands(&wps->peer_dev, attr->rf_bands) || 25738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_assoc_state(wps, attr->assoc_state) || 25748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_dev_password_id(wps, attr->dev_password_id) || 25758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_config_error(wps, attr->config_error) || 25768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_os_version(&wps->peer_dev, attr->os_version)) 25778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 25788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->dev_pw_id < 0x10 && 25808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id != DEV_PW_DEFAULT && 2581216983bceec7c450951e2fbcd076b5c75d432e57Dmitry Shmidt wps->dev_pw_id != DEV_PW_P2PS_DEFAULT && 25828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id != DEV_PW_USER_SPECIFIED && 25838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id != DEV_PW_MACHINE_SPECIFIED && 25848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id != DEV_PW_REGISTRAR_SPECIFIED && 2585cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt#ifdef CONFIG_WPS_NFC 2586cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps->dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER && 2587cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt#endif /* CONFIG_WPS_NFC */ 25888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (wps->dev_pw_id != DEV_PW_PUSHBUTTON || 25898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps->wps->registrar->pbc)) { 25908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unsupported Device Password ID %d", 25918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id); 25928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M2D; 25938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 25948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 25958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 259604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#ifdef CONFIG_WPS_NFC 2597cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (wps->dev_pw_id >= 0x10 || 2598cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps->dev_pw_id == DEV_PW_NFC_CONNECTION_HANDOVER) { 259904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct wps_nfc_pw_token *token; 260004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *addr[1]; 260104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt u8 hash[WPS_HASH_LEN]; 260204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 26035460547a121207cf7a99eac45e05fcdd83be3161Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Searching for NFC token match for id=%d (ctx %p registrar %p)", 26045460547a121207cf7a99eac45e05fcdd83be3161Dmitry Shmidt wps->dev_pw_id, wps->wps, wps->wps->registrar); 260504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt token = wps_get_nfc_pw_token( 260604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt &wps->wps->registrar->nfc_pw_tokens, wps->dev_pw_id); 2607cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (token && token->peer_pk_hash_known) { 260804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Found matching NFC " 260904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt "Password Token"); 261004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dl_list_del(&token->list); 261104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps->nfc_pw_token = token; 261204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 261304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt addr[0] = attr->public_key; 261404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt sha256_vector(1, addr, &attr->public_key_len, hash); 2615c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt if (os_memcmp_const(hash, 2616c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt wps->nfc_pw_token->pubkey_hash, 2617c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt WPS_OOB_PUBKEY_HASH_LEN) != 0) { 261804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_printf(MSG_ERROR, "WPS: Public Key hash " 261904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt "mismatch"); 2620cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps->state = SEND_M2D; 2621cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps->config_error = 2622cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt WPS_CFG_PUBLIC_KEY_HASH_MISMATCH; 2623cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt return WPS_CONTINUE; 262404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 2625cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt } else if (token) { 2626cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Found matching NFC " 2627cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt "Password Token (no peer PK hash)"); 2628cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps->nfc_pw_token = token; 2629cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt } else if (wps->dev_pw_id >= 0x10 && 2630cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps->wps->ap_nfc_dev_pw_id == wps->dev_pw_id && 2631cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps->wps->ap_nfc_dev_pw) { 2632cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Found match with own NFC Password Token"); 263304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 263404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 263504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#endif /* CONFIG_WPS_NFC */ 263604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 26378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->dev_pw_id == DEV_PW_PUSHBUTTON) { 26388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((wps->wps->registrar->force_pbc_overlap || 26398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pbc_overlap(wps->wps->registrar, 26408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->mac_addr_e, wps->uuid_e) || 26418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps_registrar_p2p_dev_addr_match(wps)) && 26428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps_registrar_skip_overlap(wps)) { 26438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC overlap - deny PBC " 26448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "negotiation"); 26458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M2D; 26468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED; 26478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_pbc_overlap_event(wps->wps); 26488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M1, 26498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_CFG_MULTIPLE_PBC_DETECTED, 2650b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt WPS_EI_NO_ERROR, wps->mac_addr_e); 26518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->registrar->force_pbc_overlap = 1; 26528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_add_pbc_session(wps->wps->registrar, 26558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->mac_addr_e, wps->uuid_e); 26568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->pbc = 1; 26578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef WPS_WORKAROUNDS 26608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 26618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * It looks like Mac OS X 10.6.3 and 10.6.4 do not like Network Key in 26628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * passphrase format. To avoid interop issues, force PSK format to be 26638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * used. 26648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 26658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!wps->use_psk_key && 26668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->peer_dev.manufacturer && 26678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_strncmp(wps->peer_dev.manufacturer, "Apple ", 6) == 0 && 26688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->peer_dev.model_name && 26698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_strcmp(wps->peer_dev.model_name, "AirPort") == 0) { 26708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Workaround - Force Network Key in " 26718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "PSK format"); 26728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->use_psk_key = 1; 26738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* WPS_WORKAROUNDS */ 26758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M2; 26778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 26798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_m3(struct wps_data *wps, 26828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg, 26838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr *attr) 26848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 26858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received M3"); 26868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state != RECV_M3) { 26888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for " 26898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "receiving M3", wps->state); 26908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 26918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->pbc && wps->wps->registrar->force_pbc_overlap && 26958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps_registrar_skip_overlap(wps)) { 26968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Reject negotiation due to PBC " 26978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "session overlap"); 26988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 26998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED; 27008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 27018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 27028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_process_registrar_nonce(wps, attr->registrar_nonce) || 27048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_authenticator(wps, attr->authenticator, msg) || 27058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_e_hash1(wps, attr->e_hash1) || 27068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_e_hash2(wps, attr->e_hash2)) { 27078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 27088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 27098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 27108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M4; 27128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 27138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 27148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_m5(struct wps_data *wps, 27178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg, 27188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr *attr) 27198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 27208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *decrypted; 27218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr eattr; 27228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received M5"); 27248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state != RECV_M5) { 27268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for " 27278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "receiving M5", wps->state); 27288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 27298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 27308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 27318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->pbc && wps->wps->registrar->force_pbc_overlap && 27338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps_registrar_skip_overlap(wps)) { 27348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Reject negotiation due to PBC " 27358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "session overlap"); 27368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 27378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED; 27388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 27398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 27408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_process_registrar_nonce(wps, attr->registrar_nonce) || 27428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_authenticator(wps, attr->authenticator, msg)) { 27438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 27448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 27458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 27468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt decrypted = wps_decrypt_encr_settings(wps, attr->encr_settings, 27488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr->encr_settings_len); 27498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (decrypted == NULL) { 27508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Failed to decrypted Encrypted " 27518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Settings attribute"); 27528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 27538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 27548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 27558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m5_encr(decrypted, attr->version2 != NULL) < 0) { 27578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 27588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 27598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 27608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 27618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Processing decrypted Encrypted Settings " 27638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "attribute"); 27648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(decrypted, &eattr) < 0 || 27658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_key_wrap_auth(wps, decrypted, eattr.key_wrap_auth) || 27668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_e_snonce1(wps, eattr.e_snonce1)) { 27678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 27688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 27698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 27708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 27718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 27728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M6; 27748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 27758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 27768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_sta_cred_cb(struct wps_data *wps) 27798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 27808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 27818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Update credential to only include a single authentication and 27828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * encryption type in case the AP configuration includes more than one 27838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * option. 27848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 27858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->cred.auth_type & WPS_AUTH_WPA2PSK) 27868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.auth_type = WPS_AUTH_WPA2PSK; 27878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->cred.auth_type & WPS_AUTH_WPAPSK) 27888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.auth_type = WPS_AUTH_WPAPSK; 27898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->cred.encr_type & WPS_ENCR_AES) 27908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.encr_type = WPS_ENCR_AES; 27918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->cred.encr_type & WPS_ENCR_TKIP) 27928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.encr_type = WPS_ENCR_TKIP; 27938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Update local configuration based on the " 27948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "AP configuration"); 27958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->cred_cb) 27968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->cred_cb(wps->wps->cb_ctx, &wps->cred); 27978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 27988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_cred_update(struct wps_credential *dst, 28018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_credential *src) 28028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 28038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dst->ssid, src->ssid, sizeof(dst->ssid)); 28048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dst->ssid_len = src->ssid_len; 28058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dst->auth_type = src->auth_type; 28068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dst->encr_type = src->encr_type; 28078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dst->key_idx = src->key_idx; 28088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dst->key, src->key, sizeof(dst->key)); 28098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dst->key_len = src->key_len; 28108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 28118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_ap_settings_r(struct wps_data *wps, 28148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr *attr) 28158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 28161f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct wpabuf *msg; 28171f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 28188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->ap || wps->er) 28198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 28208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* AP Settings Attributes in M7 when Enrollee is an AP */ 28228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_process_ap_settings(attr, &wps->cred) < 0) 28238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 28248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "WPS: Received old AP configuration from AP"); 28268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->new_ap_settings) { 28288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "WPS: Update AP configuration based on " 28298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "new settings"); 28308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_cred_update(&wps->cred, wps->new_ap_settings); 28318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 28328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 28338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 28348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Use the AP PIN only to receive the current AP settings, not 28358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * to reconfigure the AP. 28368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 28378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 28398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Clear selected registrar here since we do not get to 28408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * WSC_Done in this protocol run. 28418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 28428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pin_completed(wps->wps->registrar); 28438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28441f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt msg = wps_build_ap_cred(wps); 28451f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (msg == NULL) 28461f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return -1; 28471f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->cred.cred_attr = wpabuf_head(msg); 28481f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->cred.cred_attr_len = wpabuf_len(msg); 28491f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 28508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ap_settings_cb) { 28518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->ap_settings_cb(wps->ap_settings_cb_ctx, 28528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &wps->cred); 28531f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(msg); 28548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 28558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_sta_cred_cb(wps); 28571f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 28581f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->cred.cred_attr = NULL; 28591f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->cred.cred_attr_len = 0; 28601f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(msg); 28611f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 28628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 28638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 28658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_m7(struct wps_data *wps, 28688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg, 28698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr *attr) 28708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 28718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *decrypted; 28728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr eattr; 28738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received M7"); 28758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state != RECV_M7) { 28778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for " 28788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "receiving M7", wps->state); 28798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 28808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 28818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->pbc && wps->wps->registrar->force_pbc_overlap && 28848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps_registrar_skip_overlap(wps)) { 28858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Reject negotiation due to PBC " 28868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "session overlap"); 28878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 28888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED; 28898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 28908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_process_registrar_nonce(wps, attr->registrar_nonce) || 28938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_authenticator(wps, attr->authenticator, msg)) { 28948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 28958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 28968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt decrypted = wps_decrypt_encr_settings(wps, attr->encr_settings, 28998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr->encr_settings_len); 29008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (decrypted == NULL) { 29018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Failed to decrypt Encrypted " 29028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Settings attribute"); 29038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 29048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 29058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m7_encr(decrypted, wps->wps->ap || wps->er, 29088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr->version2 != NULL) < 0) { 29098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 29108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 29118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 29128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Processing decrypted Encrypted Settings " 29158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "attribute"); 29168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(decrypted, &eattr) < 0 || 29178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_key_wrap_auth(wps, decrypted, eattr.key_wrap_auth) || 29188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_e_snonce2(wps, eattr.e_snonce2) || 29198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_ap_settings_r(wps, &eattr)) { 29208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 29218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 29228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 29238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 29268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M8; 29288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 29298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 29308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_wsc_msg(struct wps_data *wps, 29338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg) 29348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 29358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 29368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum wps_process_res ret = WPS_CONTINUE; 29378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received WSC_MSG"); 29398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0) 29418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.msg_type == NULL) { 29448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute"); 29458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 29468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 29478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*attr.msg_type != WPS_M1 && 29508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (attr.registrar_nonce == NULL || 29518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(wps->nonce_r, attr.registrar_nonce, 295261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt WPS_NONCE_LEN) != 0)) { 29538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in registrar nonce"); 29548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (*attr.msg_type) { 29588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_M1: 29598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m1(msg) < 0) 29608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 29628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && attr.mac_addr) { 29638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Remove old pending messages when starting new run */ 29648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_free_pending_msgs(wps->wps->upnp_msgs); 29658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->upnp_msgs = NULL; 29668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt upnp_wps_device_send_wlan_event( 29688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->wps_upnp, attr.mac_addr, 29698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt UPNP_WPS_WLANEVENT_TYPE_EAP, msg); 29708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 29728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wps_process_m1(wps, &attr); 29738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 29748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_M3: 29758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m3(msg) < 0) 29768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wps_process_m3(wps, msg, &attr); 29788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret == WPS_FAILURE || wps->state == SEND_WSC_NACK) 29798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M3, wps->config_error, 2980b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 29818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 29828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_M5: 29838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m5(msg) < 0) 29848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wps_process_m5(wps, msg, &attr); 29868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret == WPS_FAILURE || wps->state == SEND_WSC_NACK) 29878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M5, wps->config_error, 2988b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 29898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 29908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_M7: 29918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m7(msg) < 0) 29928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wps_process_m7(wps, msg, &attr); 29948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret == WPS_FAILURE || wps->state == SEND_WSC_NACK) 29958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M7, wps->config_error, 2996b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 29978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 29988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 29998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unsupported Message Type %d", 30008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.msg_type); 30018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret == WPS_CONTINUE) { 30058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Save a copy of the last message for Authenticator derivation 30068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 30078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(wps->last_msg); 30088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->last_msg = wpabuf_dup(msg); 30098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ret; 30128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 30138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_wsc_ack(struct wps_data *wps, 30168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg) 30178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 30188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 30198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received WSC_ACK"); 30218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0) 30238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.msg_type == NULL) { 30268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute"); 30278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*attr.msg_type != WPS_WSC_ACK) { 30318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalid Message Type %d", 30328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.msg_type); 30338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 30378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && wps->ext_reg && wps->state == RECV_M2D_ACK && 30388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt upnp_wps_subscribers(wps->wps->wps_upnp)) { 30398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->upnp_msgs) 30408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 30418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Wait for response from an " 30428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "external Registrar"); 30438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_PENDING; 30448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 30468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.registrar_nonce == NULL || 304861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_r, attr.registrar_nonce, WPS_NONCE_LEN) != 0) 30498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 30508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in registrar nonce"); 30518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.enrollee_nonce == NULL || 305561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_e, attr.enrollee_nonce, WPS_NONCE_LEN) != 0) { 30568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in enrollee nonce"); 30578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state == RECV_M2D_ACK) { 30618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 30628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && 30638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt upnp_wps_subscribers(wps->wps->wps_upnp)) { 30648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->upnp_msgs) 30658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 30668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ext_reg == 0) 30678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->ext_reg = 1; 30688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Wait for response from an " 30698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "external Registrar"); 30708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_PENDING; 30718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 30738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No more registrars available - " 30758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "terminate negotiation"); 30768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 30808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_wsc_nack(struct wps_data *wps, 30838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg) 30848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 30858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 30868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int old_state; 30878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 config_error; 30888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received WSC_NACK"); 30908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt old_state = wps->state; 30928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 30938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0) 30958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.msg_type == NULL) { 30988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute"); 30998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*attr.msg_type != WPS_WSC_NACK) { 31038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalid Message Type %d", 31048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.msg_type); 31058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 31098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && wps->ext_reg) { 31108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Negotiation using external " 31118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Registrar terminated by the Enrollee"); 31128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 31158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.registrar_nonce == NULL || 311761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_r, attr.registrar_nonce, WPS_NONCE_LEN) != 0) 31188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 31198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in registrar nonce"); 31208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.enrollee_nonce == NULL || 312461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_e, attr.enrollee_nonce, WPS_NONCE_LEN) != 0) { 31258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in enrollee nonce"); 31268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.config_error == NULL) { 31308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Configuration Error attribute " 31318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "in WSC_NACK"); 31328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt config_error = WPA_GET_BE16(attr.config_error); 31368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee terminated negotiation with " 31378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Configuration Error %d", config_error); 31388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (old_state) { 31408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case RECV_M3: 31418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M2, config_error, 3142b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 31438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 31448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case RECV_M5: 31458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M4, config_error, 3146b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 31478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 31488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case RECV_M7: 31498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M6, config_error, 3150b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 31518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 31528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case RECV_DONE: 31538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M8, config_error, 3154b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 31558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 31568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 31578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 31588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 31628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_wsc_done(struct wps_data *wps, 31658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg) 31668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 31678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 31688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received WSC_Done"); 31708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state != RECV_DONE && 31728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (!wps->wps->wps_upnp || !wps->ext_reg)) { 31738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for " 31748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "receiving WSC_Done", wps->state); 31758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0) 31798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.msg_type == NULL) { 31828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute"); 31838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*attr.msg_type != WPS_WSC_DONE) { 31878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalid Message Type %d", 31888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.msg_type); 31898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 31938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && wps->ext_reg) { 31948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Negotiation using external " 31958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Registrar completed successfully"); 31968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_device_store(wps->wps->registrar, &wps->peer_dev, 31978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->uuid_e); 31988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_DONE; 31998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 32008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 32018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.registrar_nonce == NULL || 320361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_r, attr.registrar_nonce, WPS_NONCE_LEN) != 0) 32048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 32058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in registrar nonce"); 32068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 32078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 32088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.enrollee_nonce == NULL || 321061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_e, attr.enrollee_nonce, WPS_NONCE_LEN) != 0) { 32118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in enrollee nonce"); 32128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 32138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 32148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Negotiation completed successfully"); 32168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_device_store(wps->wps->registrar, &wps->peer_dev, 32178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->uuid_e); 32188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_state == WPS_STATE_NOT_CONFIGURED && wps->new_psk && 32208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->ap && !wps->wps->registrar->disable_auto_conf) { 32218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_credential cred; 32228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Moving to Configured state based " 32248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "on first Enrollee connection"); 32258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(&cred, 0, sizeof(cred)); 32278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(cred.ssid, wps->wps->ssid, wps->wps->ssid_len); 32288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred.ssid_len = wps->wps->ssid_len; 32291d755d025b206e22b06aeb322e25a79f98ca7777Dmitry Shmidt if (wps->wps->rf_band_cb(wps->wps->cb_ctx) == WPS_RF_60GHZ) { 32301d755d025b206e22b06aeb322e25a79f98ca7777Dmitry Shmidt cred.auth_type = WPS_AUTH_WPA2PSK; 32311d755d025b206e22b06aeb322e25a79f98ca7777Dmitry Shmidt cred.encr_type = WPS_ENCR_AES; 32321d755d025b206e22b06aeb322e25a79f98ca7777Dmitry Shmidt } else { 32331d755d025b206e22b06aeb322e25a79f98ca7777Dmitry Shmidt cred.auth_type = WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK; 32341d755d025b206e22b06aeb322e25a79f98ca7777Dmitry Shmidt cred.encr_type = WPS_ENCR_TKIP | WPS_ENCR_AES; 32351d755d025b206e22b06aeb322e25a79f98ca7777Dmitry Shmidt } 32368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(cred.key, wps->new_psk, wps->new_psk_len); 32378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred.key_len = wps->new_psk_len; 32388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->wps_state = WPS_STATE_CONFIGURED; 32408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_ascii_key(MSG_DEBUG, 32418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "WPS: Generated random passphrase", 32428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk, wps->new_psk_len); 32438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->cred_cb) 32448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->cred_cb(wps->wps->cb_ctx, &cred); 32458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wps->new_psk); 32478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk = NULL; 32488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 32498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!wps->wps->ap && !wps->er) 32518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_sta_cred_cb(wps); 32528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->new_psk) { 32548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_cb_new_psk(wps->wps->registrar, wps->mac_addr_e, 3255391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt wps->p2p_dev_addr, wps->new_psk, 3256391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt wps->new_psk_len)) { 32578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Failed to configure the " 32588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "new PSK"); 32598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 32608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wps->new_psk); 32618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk = NULL; 32628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 32638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 326404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_cb_reg_success(wps->wps->registrar, wps->mac_addr_e, wps->uuid_e, 326504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps->dev_password, wps->dev_password_len); 32668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->pbc) { 32688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_pbc_session(wps->wps->registrar, 32691f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->uuid_e, 32701f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->p2p_dev_addr); 32718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pbc_completed(wps->wps->registrar); 3272fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#ifdef WPS_WORKAROUNDS 3273fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_get_reltime(&wps->wps->registrar->pbc_ignore_start); 3274fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#endif /* WPS_WORKAROUNDS */ 3275d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt os_memcpy(wps->wps->registrar->pbc_ignore_uuid, wps->uuid_e, 3276d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt WPS_UUID_LEN); 32778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 32788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pin_completed(wps->wps->registrar); 32798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 32808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: maintain AuthorizedMACs somewhere separately for each ER and 32818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * merge them into APs own list.. */ 32828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3283b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps_success_event(wps->wps, wps->mac_addr_e); 32848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_DONE; 32868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 32878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtenum wps_process_res wps_registrar_process_msg(struct wps_data *wps, 32908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum wsc_op_code op_code, 32918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg) 32928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 32938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum wps_process_res ret; 32948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Processing received message (len=%lu " 32968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "op_code=%d)", 32978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) wpabuf_len(msg), op_code); 32988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 33008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && op_code == WSC_MSG && wps->ext_reg == 1) { 33018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 33028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) == 0 && attr.msg_type && 33038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.msg_type == WPS_M3) 33048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->ext_reg = 2; /* past M2/M2D phase */ 33058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 33068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ext_reg > 1) 33078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_free_pending_m2(wps->wps); 33088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && wps->ext_reg && 33098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->upnp_msgs == NULL && 33108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (op_code == WSC_MSG || op_code == WSC_Done || op_code == WSC_NACK)) 33118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 33128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 33138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int type; 33148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0 || attr.msg_type == NULL) 33158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt type = -1; 33168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 33178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt type = *attr.msg_type; 33188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Sending received message (type %d)" 33198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt " to external Registrar for processing", type); 33208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt upnp_wps_device_send_wlan_event(wps->wps->wps_upnp, 33218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->mac_addr_e, 33228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt UPNP_WPS_WLANEVENT_TYPE_EAP, 33238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg); 33248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (op_code == WSC_MSG) 33258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_PENDING; 33268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (wps->wps->wps_upnp && wps->ext_reg && op_code == WSC_MSG) { 33278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Skip internal processing - using " 33288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "external Registrar"); 33298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 33308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 33318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 33328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (op_code) { 33348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WSC_MSG: 33358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_process_wsc_msg(wps, msg); 33368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WSC_ACK: 33378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_wsc_ack(msg) < 0) 33388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 33398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_process_wsc_ack(wps, msg); 33408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WSC_NACK: 33418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_wsc_nack(msg) < 0) 33428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 33438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_process_wsc_nack(wps, msg); 33448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WSC_Done: 33458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_wsc_done(msg) < 0) 33468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 33478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wps_process_wsc_done(wps, msg); 33488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret == WPS_FAILURE) { 33498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 33508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_WSC_DONE, 33518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error, 3352b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 33538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 33548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ret; 33558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 33568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unsupported op_code %d", op_code); 33578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 33588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 33598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 33608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_update_ie(struct wps_registrar *reg) 33638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 33648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_set_ie(reg); 33658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 33668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_set_selected_timeout(void *eloop_ctx, 33698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *timeout_ctx) 33708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 33718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar *reg = eloop_ctx; 33728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Selected Registrar timeout - " 33748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "unselect internal Registrar"); 33758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar = 0; 33768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc = 0; 33774b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 33788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 33798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 33828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_sel_reg_add(struct wps_registrar *reg, 33838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct subscription *s) 33848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 33858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i, j; 33868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: External Registrar selected (dev_pw_id=%d " 33878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "config_methods=0x%x)", 33888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt s->dev_password_id, s->config_methods); 33898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_union = 1; 33908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->sel_reg_dev_password_id_override != DEV_PW_PUSHBUTTON) 33918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_dev_password_id_override = s->dev_password_id; 33928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->sel_reg_config_methods_override == -1) 33938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_config_methods_override = 0; 33948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_config_methods_override |= s->config_methods; 33958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < WPS_MAX_AUTHORIZED_MACS; i++) 33968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (is_zero_ether_addr(reg->authorized_macs_union[i])) 33978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 33988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (j = 0; i < WPS_MAX_AUTHORIZED_MACS && j < WPS_MAX_AUTHORIZED_MACS; 33998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt j++) { 34008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (is_zero_ether_addr(s->authorized_macs[j])) 34018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 34028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Add authorized MAC into union: " 34038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MACSTR, MAC2STR(s->authorized_macs[j])); 34048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(reg->authorized_macs_union[i], 34058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt s->authorized_macs[j], ETH_ALEN); 34068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt i++; 34078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 34088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Authorized MACs union", 34098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) reg->authorized_macs_union, 34108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(reg->authorized_macs_union)); 34118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 34128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 34138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_sel_reg_union(struct wps_registrar *reg) 34168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 34178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 34188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct subscription *s; 34198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->wps->wps_upnp == NULL) 34218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 34228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each(s, ®->wps->wps_upnp->subscriptions, 34248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct subscription, list) { 34258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct subscr_addr *sa; 34268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sa = dl_list_first(&s->addr_list, struct subscr_addr, list); 34278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sa) { 34288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: External Registrar %s:%d", 34298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt inet_ntoa(sa->saddr.sin_addr), 34308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ntohs(sa->saddr.sin_port)); 34318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 34328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (s->selected_registrar) 34338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_sel_reg_add(reg, s); 34348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 34358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: External Registrar not " 34368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "selected"); 34378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 34388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 34398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 34408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 34438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_selected_registrar_changed - SetSelectedRegistrar change 34448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 34458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 34468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called when selected registrar state changes, e.g., when an 34478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * AP receives a SetSelectedRegistrar UPnP message. 34488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 34494b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidtvoid wps_registrar_selected_registrar_changed(struct wps_registrar *reg, 34504b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt u16 dev_pw_id) 34518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 34528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Selected registrar information changed"); 34538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_union = reg->selected_registrar; 34558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_dev_password_id_override = -1; 34568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_config_methods_override = -1; 34578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(reg->authorized_macs_union, reg->authorized_macs, 34588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_MAX_AUTHORIZED_MACS * ETH_ALEN); 34598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Authorized MACs union (start with own)", 34608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) reg->authorized_macs_union, 34618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(reg->authorized_macs_union)); 34628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->selected_registrar) { 34638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 methods; 34648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods = reg->wps->config_methods & ~WPS_CONFIG_PUSHBUTTON; 34668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON | 34678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_CONFIG_PHY_PUSHBUTTON); 34688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->pbc) { 34698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_dev_password_id_override = 34708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt DEV_PW_PUSHBUTTON; 34718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_set_pushbutton(&methods, reg->wps->config_methods); 34724b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt } else if (dev_pw_id) 34734b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt reg->sel_reg_dev_password_id_override = dev_pw_id; 34748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Internal Registrar selected " 34758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "(pbc=%d)", reg->pbc); 34768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_config_methods_override = methods; 34778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else 34788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Internal Registrar not selected"); 34798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_sel_reg_union(reg); 34818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_set_ie(reg); 34838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_cb_set_sel_reg(reg); 34848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 34858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_get_info(struct wps_registrar *reg, const u8 *addr, 34888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *buf, size_t buflen) 34898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 34908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar_device *d; 34918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int len = 0, ret; 34928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char uuid[40]; 34938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char devtype[WPS_DEV_TYPE_BUFSIZE]; 34948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d = wps_device_get(reg, addr); 34968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (d == NULL) 34978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 34988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (uuid_bin2str(d->uuid, uuid, sizeof(uuid))) 34998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 35008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 35018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(buf + len, buflen - len, 35028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsUuid=%s\n" 35038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsPrimaryDeviceType=%s\n" 35048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsDeviceName=%s\n" 35058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsManufacturer=%s\n" 35068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsModelName=%s\n" 35078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsModelNumber=%s\n" 35088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsSerialNumber=%s\n", 35098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt uuid, 35108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_dev_type_bin2str(d->dev.pri_dev_type, devtype, 35118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(devtype)), 35128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d->dev.device_name ? d->dev.device_name : "", 35138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d->dev.manufacturer ? d->dev.manufacturer : "", 35148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d->dev.model_name ? d->dev.model_name : "", 35158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d->dev.model_number ? d->dev.model_number : "", 35168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d->dev.serial_number ? d->dev.serial_number : ""); 35176c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (os_snprintf_error(buflen - len, ret)) 35188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 35198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len += ret; 35208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 35218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 35228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 35238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 35248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 35258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_config_ap(struct wps_registrar *reg, 35268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_credential *cred) 35278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3528fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: encr_type=0x%x", cred->encr_type); 35298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!(cred->encr_type & (WPS_ENCR_NONE | WPS_ENCR_TKIP | 35308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_ENCR_AES))) { 35318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cred->encr_type & WPS_ENCR_WEP) { 35328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "WPS: Reject new AP settings " 35338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "due to WEP configuration"); 35348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 35358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 35368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 35378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "WPS: Reject new AP settings due to " 35388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "invalid encr_type 0x%x", cred->encr_type); 35398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 35408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 35418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 35428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((cred->encr_type & (WPS_ENCR_TKIP | WPS_ENCR_AES)) == 35438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_ENCR_TKIP) { 35448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Upgrade encr_type TKIP -> " 35458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "TKIP+AES"); 35468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->encr_type |= WPS_ENCR_AES; 35478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 35488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 35498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) == 35508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_AUTH_WPAPSK) { 35518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Upgrade auth_type WPAPSK -> " 35528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "WPAPSK+WPA2PSK"); 35538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->auth_type |= WPS_AUTH_WPA2PSK; 35548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 35558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 35568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->wps->cred_cb) 35578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return reg->wps->cred_cb(reg->wps->cb_ctx, cred); 35588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 35598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 35608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 356104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 356204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 356304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#ifdef CONFIG_WPS_NFC 356404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 356504949598a23f501be6eec21697465fd46a28840aDmitry Shmidtint wps_registrar_add_nfc_pw_token(struct wps_registrar *reg, 356604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *pubkey_hash, u16 pw_id, 3567cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt const u8 *dev_pw, size_t dev_pw_len, 3568cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt int pk_hash_provided_oob) 356904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 357004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct wps_nfc_pw_token *token; 357104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 357204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (dev_pw_len > WPS_OOB_DEVICE_PASSWORD_LEN) 357304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return -1; 357404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 3575cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (pw_id == DEV_PW_NFC_CONNECTION_HANDOVER && 3576cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt (pubkey_hash == NULL || !pk_hash_provided_oob)) { 3577cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unexpected NFC Password Token " 3578cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt "addition - missing public key hash"); 3579cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt return -1; 3580cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt } 3581cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt 358204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_free_nfc_pw_tokens(®->nfc_pw_tokens, pw_id); 358304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 358404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt token = os_zalloc(sizeof(*token)); 358504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (token == NULL) 358604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return -1; 358704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 3588cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt token->peer_pk_hash_known = pubkey_hash != NULL; 3589cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (pubkey_hash) 3590cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt os_memcpy(token->pubkey_hash, pubkey_hash, 3591cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt WPS_OOB_PUBKEY_HASH_LEN); 359204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt token->pw_id = pw_id; 3593cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt token->pk_hash_provided_oob = pk_hash_provided_oob; 3594cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (dev_pw) { 3595cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpa_snprintf_hex_uppercase((char *) token->dev_pw, 3596cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt sizeof(token->dev_pw), 3597cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt dev_pw, dev_pw_len); 3598cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt token->dev_pw_len = dev_pw_len * 2; 3599cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt } 360004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 360104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dl_list_add(®->nfc_pw_tokens, &token->list); 360204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 360304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt reg->selected_registrar = 1; 360404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt reg->pbc = 0; 360504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_registrar_add_authorized_mac(reg, 360604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt (u8 *) "\xff\xff\xff\xff\xff\xff"); 36074b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, pw_id); 360804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL); 360904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt eloop_register_timeout(WPS_PBC_WALK_TIME, 0, 361004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_registrar_set_selected_timeout, 361104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt reg, NULL); 361204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 36134b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Added NFC Device Password %u to Registrar", 36144b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt pw_id); 36154b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt 361604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return 0; 361704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 361804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 361904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 362004949598a23f501be6eec21697465fd46a28840aDmitry Shmidtint wps_registrar_add_nfc_password_token(struct wps_registrar *reg, 362104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *oob_dev_pw, 362204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t oob_dev_pw_len) 362304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 362404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *pos, *hash, *dev_pw; 362504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt u16 id; 362604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t dev_pw_len; 362704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 3628cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (oob_dev_pw_len < WPS_OOB_PUBKEY_HASH_LEN + 2 || 362904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt oob_dev_pw_len > WPS_OOB_PUBKEY_HASH_LEN + 2 + 363004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt WPS_OOB_DEVICE_PASSWORD_LEN) 363104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return -1; 363204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 363304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt hash = oob_dev_pw; 363404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt pos = oob_dev_pw + WPS_OOB_PUBKEY_HASH_LEN; 363504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt id = WPA_GET_BE16(pos); 363604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dev_pw = pos + 2; 363704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dev_pw_len = oob_dev_pw + oob_dev_pw_len - dev_pw; 363804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 363904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Add NFC Password Token for Password ID %u", 364004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt id); 364104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 364204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Public Key Hash", 364304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt hash, WPS_OOB_PUBKEY_HASH_LEN); 364404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: Device Password", dev_pw, dev_pw_len); 364504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 364604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return wps_registrar_add_nfc_pw_token(reg, hash, id, dev_pw, 3647cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt dev_pw_len, 0); 364804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 364904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 365004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 365104949598a23f501be6eec21697465fd46a28840aDmitry Shmidtvoid wps_registrar_remove_nfc_pw_token(struct wps_registrar *reg, 365204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct wps_nfc_pw_token *token) 365304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 365404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_registrar_remove_authorized_mac(reg, 365504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt (u8 *) "\xff\xff\xff\xff\xff\xff"); 36564b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 3657cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt 3658cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt /* 3659cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt * Free the NFC password token if it was used only for a single protocol 3660cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt * run. The static handover case uses the same password token multiple 3661cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt * times, so do not free that case here. 3662cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt */ 3663cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (token->peer_pk_hash_known) 3664cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt os_free(token); 366504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 366604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 366704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#endif /* CONFIG_WPS_NFC */ 3668