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 6798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 6808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_deinit - Deinitialize WPS Registrar data 6818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 6828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 6838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid wps_registrar_deinit(struct wps_registrar *reg) 6848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg == NULL) 6868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_pbc_timeout, reg, NULL); 6888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL); 6898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_free_pins(®->pins); 69004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_free_nfc_pw_tokens(®->nfc_pw_tokens, 0); 6918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_free_pbc_sessions(reg->pbc_sessions); 6928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(reg->extra_cred); 6938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_free_devices(reg->devices); 6948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(reg); 6958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 698d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidtstatic void wps_registrar_invalidate_unused(struct wps_registrar *reg) 699d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt{ 700d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt struct wps_uuid_pin *pin; 701d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 702d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt dl_list_for_each(pin, ®->pins, struct wps_uuid_pin, list) { 703d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt if (pin->wildcard_uuid == 1 && !(pin->flags & PIN_LOCKED)) { 704d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalidate previously " 705d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt "configured wildcard PIN"); 706d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt wps_registrar_remove_pin(reg, pin); 707d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt break; 708d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt } 709d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt } 710d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt} 711d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 712d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 7138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 7148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_add_pin - Configure a new PIN for Registrar 7158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 7168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @addr: Enrollee MAC address or %NULL if not known 7178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @uuid: UUID-E or %NULL for wildcard (any UUID) 7188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @pin: PIN (Device Password) 7198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @pin_len: Length of pin in octets 7208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @timeout: Time (in seconds) when the PIN will be invalidated; 0 = no timeout 7218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 7228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 7238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_add_pin(struct wps_registrar *reg, const u8 *addr, 7248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *uuid, const u8 *pin, size_t pin_len, 7258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int timeout) 7268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 7278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *p; 7288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p = os_zalloc(sizeof(*p)); 7308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (p == NULL) 7318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 7328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (addr) 7338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(p->enrollee_addr, addr, ETH_ALEN); 7348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (uuid == NULL) 7358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p->wildcard_uuid = 1; 7368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 7378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(p->uuid, uuid, WPS_UUID_LEN); 7388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p->pin = os_malloc(pin_len); 7398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (p->pin == NULL) { 7408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(p); 7418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 7428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(p->pin, pin, pin_len); 7448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p->pin_len = pin_len; 7458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (timeout) { 7478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p->flags |= PIN_EXPIRES; 748fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_get_reltime(&p->expiration); 7498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p->expiration.sec += timeout; 7508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 752d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt if (p->wildcard_uuid) 753d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt wps_registrar_invalidate_unused(reg); 754d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 7558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_add(®->pins, &p->list); 7568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: A new PIN configured (timeout=%d)", 7588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt timeout); 7598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: UUID", uuid, WPS_UUID_LEN); 7608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_ascii_key(MSG_DEBUG, "WPS: PIN", pin, pin_len); 7618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar = 1; 7628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc = 0; 7638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (addr) 7648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_add_authorized_mac(reg, addr); 7658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 7668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_add_authorized_mac( 7678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg, (u8 *) "\xff\xff\xff\xff\xff\xff"); 7684b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 7698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL); 7708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(WPS_PBC_WALK_TIME, 0, 7718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_set_selected_timeout, 7728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg, NULL); 7738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 7758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 7768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_remove_pin(struct wps_registrar *reg, 7798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin) 7808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 7818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *addr; 7828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 bcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 7838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (is_zero_ether_addr(pin->enrollee_addr)) 7858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr = bcast; 7868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 7878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr = pin->enrollee_addr; 7888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_authorized_mac(reg, addr); 7898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_remove_pin(pin); 7904b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 7918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 7928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_expire_pins(struct wps_registrar *reg) 7958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 7968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin, *prev; 797fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt struct os_reltime now; 7988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 799fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_get_reltime(&now); 8008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each_safe(pin, prev, ®->pins, struct wps_uuid_pin, list) 8018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 8028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((pin->flags & PIN_EXPIRES) && 803fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_reltime_before(&pin->expiration, &now)) { 8048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Expired PIN for UUID", 8058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin->uuid, WPS_UUID_LEN); 8068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_pin(reg, pin); 8078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 8138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_invalidate_wildcard_pin - Invalidate a wildcard PIN 8148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 81504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt * @dev_pw: PIN to search for or %NULL to match any 81604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt * @dev_pw_len: Length of dev_pw in octets 8178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 if not wildcard PIN is enabled 8188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 81904949598a23f501be6eec21697465fd46a28840aDmitry Shmidtstatic int wps_registrar_invalidate_wildcard_pin(struct wps_registrar *reg, 82004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *dev_pw, 82104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t dev_pw_len) 8228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin, *prev; 8248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each_safe(pin, prev, ®->pins, struct wps_uuid_pin, list) 8268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 82704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (dev_pw && pin->pin && 82804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt (dev_pw_len != pin->pin_len || 829c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt os_memcmp_const(dev_pw, pin->pin, dev_pw_len) != 0)) 83004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt continue; /* different PIN */ 8318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pin->wildcard_uuid) { 8328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Invalidated PIN for UUID", 8338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin->uuid, WPS_UUID_LEN); 8348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_pin(reg, pin); 8358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 8368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 8408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 8448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_invalidate_pin - Invalidate a PIN for a specific UUID-E 8458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 8468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @uuid: UUID-E 8478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure (e.g., PIN not found) 8488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 8498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_invalidate_pin(struct wps_registrar *reg, const u8 *uuid) 8508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin, *prev; 8528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each_safe(pin, prev, ®->pins, struct wps_uuid_pin, list) 8548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 8558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(pin->uuid, uuid, WPS_UUID_LEN) == 0) { 8568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Invalidated PIN for UUID", 8578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin->uuid, WPS_UUID_LEN); 8588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_pin(reg, pin); 8598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 8608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 8648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const u8 * wps_registrar_get_pin(struct wps_registrar *reg, 8688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *uuid, size_t *pin_len) 8698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin, *found = NULL; 8718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_expire_pins(reg); 8738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each(pin, ®->pins, struct wps_uuid_pin, list) { 8758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!pin->wildcard_uuid && 8768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(pin->uuid, uuid, WPS_UUID_LEN) == 0) { 8778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt found = pin; 8788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 8798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!found) { 8838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Check for wildcard UUIDs since none of the UUID-specific 8848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * PINs matched */ 8858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each(pin, ®->pins, struct wps_uuid_pin, list) { 886c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt if (pin->wildcard_uuid == 1 || 887c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt pin->wildcard_uuid == 2) { 8888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Found a wildcard " 8898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "PIN. Assigned it for this UUID-E"); 890c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt pin->wildcard_uuid++; 8918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pin->uuid, uuid, WPS_UUID_LEN); 8928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt found = pin; 8938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 8948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!found) 8998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 9008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 9028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Lock the PIN to avoid attacks based on concurrent re-use of the PIN 9038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * that could otherwise avoid PIN invalidations. 9048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 9058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (found->flags & PIN_LOCKED) { 9068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Selected PIN locked - do not " 9078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "allow concurrent re-use"); 9088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 9098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pin_len = found->pin_len; 9118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt found->flags |= PIN_LOCKED; 9128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return found->pin; 9138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 9178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_unlock_pin - Unlock a PIN for a specific UUID-E 9188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 9198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @uuid: UUID-E 9208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 9218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 9228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * PINs are locked to enforce only one concurrent use. This function unlocks a 9238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * PIN to allow it to be used again. If the specified PIN was configured using 9248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * a wildcard UUID, it will be removed instead of allowing multiple uses. 9258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 9268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_unlock_pin(struct wps_registrar *reg, const u8 *uuid) 9278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin; 9298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each(pin, ®->pins, struct wps_uuid_pin, list) { 9318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(pin->uuid, uuid, WPS_UUID_LEN) == 0) { 932c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt if (pin->wildcard_uuid == 3) { 9338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalidating used " 9348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wildcard PIN"); 9358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_registrar_invalidate_pin(reg, uuid); 9368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin->flags &= ~PIN_LOCKED; 9388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 9398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 9438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_stop_pbc(struct wps_registrar *reg) 9478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar = 0; 9498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc = 0; 9508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(reg->p2p_dev_addr, 0, ETH_ALEN); 9518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_authorized_mac(reg, 9528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) "\xff\xff\xff\xff\xff\xff"); 9534b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 9548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_pbc_timeout(void *eloop_ctx, void *timeout_ctx) 9588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar *reg = eloop_ctx; 9608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC timed out - disable PBC mode"); 9628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_pbc_timeout_event(reg->wps); 9638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_stop_pbc(reg); 9648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 9688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_button_pushed - Notify Registrar that AP button was pushed 9698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 9708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @p2p_dev_addr: Limit allowed PBC devices to the specified P2P device, %NULL 9718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * indicates no such filtering 9728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure, -2 on session overlap 9738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 9748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called on an AP when a push button is pushed to activate 9758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * PBC mode. The PBC mode will be stopped after walk time (2 minutes) timeout 9768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * or when a PBC registration is completed. If more than one Enrollee in active 9778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * PBC mode has been detected during the monitor time (previous 2 minutes), the 9781f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * PBC mode is not activated and -2 is returned to indicate session overlap. 9791f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * This is skipped if a specific Enrollee is selected. 9808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 9818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_button_pushed(struct wps_registrar *reg, 9828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *p2p_dev_addr) 9838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (p2p_dev_addr == NULL && 9858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pbc_overlap(reg, NULL, NULL)) { 9868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC overlap - do not start PBC " 9878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "mode"); 9888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_pbc_overlap_event(reg->wps); 9898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -2; 9908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Button pushed - PBC mode started"); 9928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->force_pbc_overlap = 0; 9938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar = 1; 9948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc = 1; 9958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (p2p_dev_addr) 9968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(reg->p2p_dev_addr, p2p_dev_addr, ETH_ALEN); 9978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 9988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(reg->p2p_dev_addr, 0, ETH_ALEN); 9998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_add_authorized_mac(reg, 10008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) "\xff\xff\xff\xff\xff\xff"); 10014b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 10028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1003b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps_pbc_active_event(reg->wps); 10048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL); 10058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_pbc_timeout, reg, NULL); 10068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wps_registrar_pbc_timeout, 10078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg, NULL); 10088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 10098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_pbc_completed(struct wps_registrar *reg) 10138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC completed - stopping PBC mode"); 10158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_pbc_timeout, reg, NULL); 10168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_stop_pbc(reg); 1017b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps_pbc_disable_event(reg->wps); 10188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_pin_completed(struct wps_registrar *reg) 10228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PIN completed using internal Registrar"); 10248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL); 10258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar = 0; 10264b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 10278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 103004949598a23f501be6eec21697465fd46a28840aDmitry Shmidtvoid wps_registrar_complete(struct wps_registrar *registrar, const u8 *uuid_e, 103104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *dev_pw, size_t dev_pw_len) 10321f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 10331f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (registrar->pbc) { 10341f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps_registrar_remove_pbc_session(registrar, 10351f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt uuid_e, NULL); 10361f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps_registrar_pbc_completed(registrar); 1037fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#ifdef WPS_WORKAROUNDS 1038fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_get_reltime(®istrar->pbc_ignore_start); 1039fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#endif /* WPS_WORKAROUNDS */ 1040d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt os_memcpy(registrar->pbc_ignore_uuid, uuid_e, WPS_UUID_LEN); 10411f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } else { 10421f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps_registrar_pin_completed(registrar); 10431f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 104404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 104504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (dev_pw && 104604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_registrar_invalidate_wildcard_pin(registrar, dev_pw, 104704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dev_pw_len) == 0) { 104804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: Invalidated wildcard PIN", 104904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dev_pw, dev_pw_len); 105004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 10511f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 10521f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 10531f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 10548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_wps_cancel(struct wps_registrar *reg) 10558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->pbc) { 10578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC is set - cancelling it"); 10588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pbc_timeout(reg, NULL); 1059c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt eloop_cancel_timeout(wps_registrar_pbc_timeout, reg, NULL); 10608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 10618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (reg->selected_registrar) { 10628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* PIN Method */ 10638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PIN is set - cancelling it"); 10648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pin_completed(reg); 106504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_registrar_invalidate_wildcard_pin(reg, NULL, 0); 10668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 10678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 10698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 10738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_probe_req_rx - Notify Registrar of Probe Request 10748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 10758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @addr: MAC address of the Probe Request sender 10768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @wps_data: WPS IE contents 10778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 10788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called on an AP when a Probe Request with WPS IE is 10798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * received. This is used to track PBC mode use and to detect possible overlap 10808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * situation with other WPS APs. 10818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 10828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid wps_registrar_probe_req_rx(struct wps_registrar *reg, const u8 *addr, 10838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *wps_data, 10848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int p2p_wildcard) 10858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 1087d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt int skip_add = 0; 10888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_buf(MSG_MSGDUMP, 10908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "WPS: Probe Request with WPS data received", 10918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_data); 10928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(wps_data, &attr) < 0) 10948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 10958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.config_methods == NULL) { 10978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Config Methods attribute in " 10988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Probe Request"); 10998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.dev_password_id == NULL) { 11038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Device Password Id attribute " 11048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "in Probe Request"); 11058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->enrollee_seen_cb && attr.uuid_e && 11098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr.primary_dev_type && attr.request_type && !p2p_wildcard) { 11108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *dev_name = NULL; 11118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.dev_name) { 11128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dev_name = os_zalloc(attr.dev_name_len + 1); 11138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (dev_name) { 11148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dev_name, attr.dev_name, 11158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr.dev_name_len); 11168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->enrollee_seen_cb(reg->cb_ctx, addr, attr.uuid_e, 11198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr.primary_dev_type, 11208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_GET_BE16(attr.config_methods), 11218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_GET_BE16(attr.dev_password_id), 11228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.request_type, dev_name); 11238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(dev_name); 11248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (WPA_GET_BE16(attr.dev_password_id) != DEV_PW_PUSHBUTTON) 11278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; /* Not PBC */ 11288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Probe Request for PBC received from " 11308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MACSTR, MAC2STR(addr)); 11318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.uuid_e == NULL) { 11328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalid Probe Request WPS IE: No " 11338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "UUID-E included"); 11348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: UUID-E from Probe Request", attr.uuid_e, 11378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_UUID_LEN); 11388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1139d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt#ifdef WPS_WORKAROUNDS 1140d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt if (reg->pbc_ignore_start.sec && 1141d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt os_memcmp(attr.uuid_e, reg->pbc_ignore_uuid, WPS_UUID_LEN) == 0) { 1142fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt struct os_reltime now, dur; 1143fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_get_reltime(&now); 1144fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_reltime_sub(&now, ®->pbc_ignore_start, &dur); 1145d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt if (dur.sec >= 0 && dur.sec < 5) { 1146d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Ignore PBC activation " 1147d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt "based on Probe Request from the Enrollee " 1148d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt "that just completed PBC provisioning"); 1149d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt skip_add = 1; 1150d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt } else 1151d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt reg->pbc_ignore_start.sec = 0; 1152d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt } 1153d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt#endif /* WPS_WORKAROUNDS */ 1154d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 1155d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt if (!skip_add) 1156d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt wps_registrar_add_pbc_session(reg, addr, attr.uuid_e); 11578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_registrar_pbc_overlap(reg, addr, attr.uuid_e)) { 11588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC session overlap detected"); 11598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->force_pbc_overlap = 1; 11608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_pbc_overlap_event(reg->wps); 11618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1165b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidtint wps_cb_new_psk(struct wps_registrar *reg, const u8 *mac_addr, 1166b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt const u8 *p2p_dev_addr, const u8 *psk, size_t psk_len) 11678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 11688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->new_psk_cb == NULL) 11698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 11708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1171391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt return reg->new_psk_cb(reg->cb_ctx, mac_addr, p2p_dev_addr, psk, 1172391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt psk_len); 11738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_cb_pin_needed(struct wps_registrar *reg, const u8 *uuid_e, 11778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_device_data *dev) 11788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 11798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->pin_needed_cb == NULL) 11808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pin_needed_cb(reg->cb_ctx, uuid_e, dev); 11838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_cb_reg_success(struct wps_registrar *reg, const u8 *mac_addr, 118704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *uuid_e, const u8 *dev_pw, 118804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t dev_pw_len) 11898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 11908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->reg_success_cb == NULL) 11918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 119304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt reg->reg_success_cb(reg->cb_ctx, mac_addr, uuid_e, dev_pw, dev_pw_len); 11948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_cb_set_ie(struct wps_registrar *reg, struct wpabuf *beacon_ie, 11988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *probe_resp_ie) 11998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 12008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return reg->set_ie_cb(reg->cb_ctx, beacon_ie, probe_resp_ie); 12018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 12028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_cb_set_sel_reg(struct wps_registrar *reg) 12058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 12068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 methods = 0; 12078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->set_sel_reg_cb == NULL) 12088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 12098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->selected_registrar) { 12118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods = reg->wps->config_methods & ~WPS_CONFIG_PUSHBUTTON; 12128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON | 12138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_CONFIG_PHY_PUSHBUTTON); 12148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->pbc) 12158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_set_pushbutton(&methods, reg->wps->config_methods); 12168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: wps_cb_set_sel_reg: sel_reg=%d " 12198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "config_methods=0x%x pbc=%d methods=0x%x", 12208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar, reg->wps->config_methods, 12218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc, methods); 12228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->set_sel_reg_cb(reg->cb_ctx, reg->selected_registrar, 12248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc ? DEV_PW_PUSHBUTTON : DEV_PW_DEFAULT, 12258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods); 12268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 12278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_set_ie(struct wps_registrar *reg) 12308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 12318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *beacon; 12328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *probe; 12338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *auth_macs; 12348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t count; 12358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t vendor_len = 0; 12368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 12378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->set_ie_cb == NULL) 12398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 12408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) { 12428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->wps->dev.vendor_ext[i]) { 12438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt vendor_len += 2 + 2; 12448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt vendor_len += wpabuf_len(reg->wps->dev.vendor_ext[i]); 12458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt beacon = wpabuf_alloc(400 + vendor_len); 12498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (beacon == NULL) 12508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 12518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt probe = wpabuf_alloc(500 + vendor_len); 12528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (probe == NULL) { 12538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(beacon); 12548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 12558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt auth_macs = wps_authorized_macs(reg, &count); 12588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Build Beacon IEs"); 12608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(beacon) || 12628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wps_state(reg->wps, beacon) || 12638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_ap_setup_locked(reg->wps, beacon) || 12648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_selected_registrar(reg, beacon) || 12658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_sel_reg_dev_password_id(reg, beacon) || 12668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_sel_reg_config_methods(reg, beacon) || 12678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_sel_pbc_reg_uuid_e(reg, beacon) || 1268b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt (reg->dualband && wps_build_rf_bands(®->wps->dev, beacon, 0)) || 12698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(beacon, 0, auth_macs, count) || 12708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_vendor_ext(®->wps->dev, beacon)) { 12718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(beacon); 12728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(probe); 12738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 12748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 12778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_dev_name(®->wps->dev, beacon) || 12788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_primary_dev_type(®->wps->dev, beacon)) { 12798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(beacon); 12808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(probe); 12818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 12828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 12848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Build Probe Response IEs"); 12868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(probe) || 12888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wps_state(reg->wps, probe) || 12898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_ap_setup_locked(reg->wps, probe) || 12908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_selected_registrar(reg, probe) || 12918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_sel_reg_dev_password_id(reg, probe) || 12928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_sel_reg_config_methods(reg, probe) || 12938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_resp_type(probe, reg->wps->ap ? WPS_RESP_AP : 12948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_RESP_REGISTRAR) || 12958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_uuid_e(probe, reg->wps->uuid) || 12968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_device_attrs(®->wps->dev, probe) || 12978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_probe_config_methods(reg, probe) || 1298b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt (reg->dualband && wps_build_rf_bands(®->wps->dev, probe, 0)) || 12998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(probe, 0, auth_macs, count) || 13008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_vendor_ext(®->wps->dev, probe)) { 13018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(beacon); 13028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(probe); 13038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 13048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt beacon = wps_ie_encapsulate(beacon); 13078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt probe = wps_ie_encapsulate(probe); 13088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!beacon || !probe) { 13108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(beacon); 13118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(probe); 13128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 13138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->static_wep_only) { 13168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 13178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Windows XP and Vista clients can get confused about 13188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * EAP-Identity/Request when they probe the network with 13198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * EAPOL-Start. In such a case, they may assume the network is 13208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * using IEEE 802.1X and prompt user for a certificate while 13218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the correct (non-WPS) behavior would be to ask for the 13228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * static WEP key. As a workaround, use Microsoft Provisioning 13238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * IE to advertise that legacy 802.1X is not supported. 13248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 13258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 ms_wps[7] = { 13268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WLAN_EID_VENDOR_SPECIFIC, 5, 13278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Microsoft Provisioning IE (00:50:f2:5) */ 13288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 0x00, 0x50, 0xf2, 5, 13298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 0x00 /* no legacy 802.1X or MS WPS */ 13308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt }; 13318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Add Microsoft Provisioning IE " 13328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "into Beacon/Probe Response frames"); 13338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(beacon, ms_wps, sizeof(ms_wps)); 13348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(probe, ms_wps, sizeof(ms_wps)); 13358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_cb_set_ie(reg, beacon, probe); 13388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 13398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_get_dev_password(struct wps_data *wps) 13428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 13438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pin; 13448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t pin_len = 0; 13458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1346c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt bin_clear_free(wps->dev_password, wps->dev_password_len); 13478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_password = NULL; 13488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->pbc) { 13508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Use default PIN for PBC"); 13518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin = (const u8 *) "00000000"; 13528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin_len = 8; 135304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#ifdef CONFIG_WPS_NFC 135404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } else if (wps->nfc_pw_token) { 1355cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (wps->nfc_pw_token->pw_id == DEV_PW_NFC_CONNECTION_HANDOVER) 1356cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt { 1357cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Using NFC connection " 1358cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt "handover and abbreviated WPS handshake " 1359cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt "without Device Password"); 1360cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt return 0; 1361cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt } 136204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Use OOB Device Password from NFC " 136304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt "Password Token"); 136404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt pin = wps->nfc_pw_token->dev_pw; 136504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt pin_len = wps->nfc_pw_token->dev_pw_len; 1366cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt } else if (wps->dev_pw_id >= 0x10 && 1367cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps->wps->ap_nfc_dev_pw_id == wps->dev_pw_id && 1368cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps->wps->ap_nfc_dev_pw) { 1369cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Use OOB Device Password from own NFC Password Token"); 1370cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt pin = wpabuf_head(wps->wps->ap_nfc_dev_pw); 1371cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt pin_len = wpabuf_len(wps->wps->ap_nfc_dev_pw); 137204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#endif /* CONFIG_WPS_NFC */ 13738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 13748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin = wps_registrar_get_pin(wps->wps->registrar, wps->uuid_e, 13758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &pin_len); 1376f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt if (pin && wps->dev_pw_id >= 0x10) { 1377f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No match for OOB Device " 1378f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt "Password ID, but PIN found"); 1379f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt /* 1380f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt * See whether Enrollee is willing to use PIN instead. 1381f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt */ 1382f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt wps->dev_pw_id = DEV_PW_DEFAULT; 1383f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt } 13848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pin == NULL) { 13868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Device Password available for " 13875460547a121207cf7a99eac45e05fcdd83be3161Dmitry Shmidt "the Enrollee (context %p registrar %p)", 13885460547a121207cf7a99eac45e05fcdd83be3161Dmitry Shmidt wps->wps, wps->wps->registrar); 13898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_cb_pin_needed(wps->wps->registrar, wps->uuid_e, 13908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &wps->peer_dev); 13918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 13928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_password = os_malloc(pin_len); 13958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->dev_password == NULL) 13968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 13978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->dev_password, pin, pin_len); 13988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_password_len = pin_len; 13998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_uuid_r(struct wps_data *wps, struct wpabuf *msg) 14058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * UUID-R"); 14078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_UUID_R); 14088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, WPS_UUID_LEN); 14098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(msg, wps->uuid_r, WPS_UUID_LEN); 14108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_r_hash(struct wps_data *wps, struct wpabuf *msg) 14158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *hash; 14178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr[4]; 14188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len[4]; 14198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (random_get_bytes(wps->snonce, 2 * WPS_SECRET_NONCE_LEN) < 0) 14218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 14228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: R-S1", wps->snonce, WPS_SECRET_NONCE_LEN); 14238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: R-S2", 14248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->snonce + WPS_SECRET_NONCE_LEN, WPS_SECRET_NONCE_LEN); 14258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->dh_pubkey_e == NULL || wps->dh_pubkey_r == NULL) { 14278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: DH public keys not available for " 14288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "R-Hash derivation"); 14298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 14308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * R-Hash1"); 14338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_R_HASH1); 14348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, SHA256_MAC_LEN); 14358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hash = wpabuf_put(msg, SHA256_MAC_LEN); 14368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* R-Hash1 = HMAC_AuthKey(R-S1 || PSK1 || PK_E || PK_R) */ 14378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[0] = wps->snonce; 14388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[0] = WPS_SECRET_NONCE_LEN; 14398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[1] = wps->psk1; 14408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[1] = WPS_PSK_LEN; 14418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[2] = wpabuf_head(wps->dh_pubkey_e); 14428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[2] = wpabuf_len(wps->dh_pubkey_e); 14438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[3] = wpabuf_head(wps->dh_pubkey_r); 14448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[3] = wpabuf_len(wps->dh_pubkey_r); 14458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash); 14468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: R-Hash1", hash, SHA256_MAC_LEN); 14478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * R-Hash2"); 14498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_R_HASH2); 14508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, SHA256_MAC_LEN); 14518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hash = wpabuf_put(msg, SHA256_MAC_LEN); 14528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* R-Hash2 = HMAC_AuthKey(R-S2 || PSK2 || PK_E || PK_R) */ 14538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[0] = wps->snonce + WPS_SECRET_NONCE_LEN; 14548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[1] = wps->psk2; 14558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash); 14568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: R-Hash2", hash, SHA256_MAC_LEN); 14578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_r_snonce1(struct wps_data *wps, struct wpabuf *msg) 14638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * R-SNonce1"); 14658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_R_SNONCE1); 14668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, WPS_SECRET_NONCE_LEN); 14678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(msg, wps->snonce, WPS_SECRET_NONCE_LEN); 14688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_r_snonce2(struct wps_data *wps, struct wpabuf *msg) 14738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * R-SNonce2"); 14758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_R_SNONCE2); 14768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, WPS_SECRET_NONCE_LEN); 14778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(msg, wps->snonce + WPS_SECRET_NONCE_LEN, 14788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_SECRET_NONCE_LEN); 14798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_cred_network_idx(struct wpabuf *msg, 14848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 14858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Network Index (1)"); 14878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_NETWORK_INDEX); 14888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 1); 14898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(msg, 1); 14908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_cred_ssid(struct wpabuf *msg, 14958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 14968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * SSID"); 14988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID for Credential", 14998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->ssid, cred->ssid_len); 15008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_SSID); 15018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, cred->ssid_len); 15028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(msg, cred->ssid, cred->ssid_len); 15038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 15048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_cred_auth_type(struct wpabuf *msg, 15088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 15098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Authentication Type (0x%x)", 15118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->auth_type); 15128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_AUTH_TYPE); 15138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 2); 15148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, cred->auth_type); 15158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 15168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_cred_encr_type(struct wpabuf *msg, 15208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 15218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Encryption Type (0x%x)", 15238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->encr_type); 15248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_ENCR_TYPE); 15258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 2); 15268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, cred->encr_type); 15278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 15288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_cred_network_key(struct wpabuf *msg, 15328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 15338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Network Key (len=%d)", 15358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (int) cred->key_len); 15368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key", 15378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->key, cred->key_len); 15388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_NETWORK_KEY); 15398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, cred->key_len); 15408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(msg, cred->key, cred->key_len); 15418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 15428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_credential(struct wpabuf *msg, 15468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 15478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_cred_network_idx(msg, cred) || 15498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_cred_ssid(msg, cred) || 15508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_cred_auth_type(msg, cred) || 15518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_cred_encr_type(msg, cred) || 15528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_cred_network_key(msg, cred) || 15534b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_build_mac_addr(msg, cred->mac_addr)) 15548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 15558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 15568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15591f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtint wps_build_credential_wrap(struct wpabuf *msg, 15601f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const struct wps_credential *cred) 15611f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 15621f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct wpabuf *wbuf; 15631f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wbuf = wpabuf_alloc(200); 15641f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wbuf == NULL) 15651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return -1; 15661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wps_build_credential(wbuf, cred)) { 15671f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(wbuf); 15681f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return -1; 15691f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 15701f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_be16(msg, ATTR_CRED); 15711f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_be16(msg, wpabuf_len(wbuf)); 15721f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_buf(msg, wbuf); 15731f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(wbuf); 15741f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return 0; 15751f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 15761f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 15771f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 15788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_build_cred(struct wps_data *wps, struct wpabuf *msg) 15798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *cred; 15818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->registrar->skip_cred_build) 15838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto skip_cred_build; 15848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Credential"); 15868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->use_cred) { 15878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(&wps->cred, wps->use_cred, sizeof(wps->cred)); 15888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto use_provided; 15898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 15908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(&wps->cred, 0, sizeof(wps->cred)); 15918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.ssid, wps->wps->ssid, wps->wps->ssid_len); 15938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.ssid_len = wps->wps->ssid_len; 15948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Select the best authentication and encryption type */ 15968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->auth_type & WPS_AUTH_WPA2PSK) 15978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type = WPS_AUTH_WPA2PSK; 15988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->auth_type & WPS_AUTH_WPAPSK) 15998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type = WPS_AUTH_WPAPSK; 16008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->auth_type & WPS_AUTH_OPEN) 16018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type = WPS_AUTH_OPEN; 16028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else { 16038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unsupported auth_type 0x%x", 16048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type); 16058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.auth_type = wps->auth_type; 16088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->auth_type == WPS_AUTH_WPA2PSK || 16108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type == WPS_AUTH_WPAPSK) { 16118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->encr_type & WPS_ENCR_AES) 16128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->encr_type = WPS_ENCR_AES; 16138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->encr_type & WPS_ENCR_TKIP) 16148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->encr_type = WPS_ENCR_TKIP; 16158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else { 16168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No suitable encryption " 16178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "type for WPA/WPA2"); 16188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 162121de214b4ba4271ca20843f3b8fba9f1501b2a89Dmitry Shmidt if (wps->encr_type & WPS_ENCR_NONE) 16228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->encr_type = WPS_ENCR_NONE; 162321de214b4ba4271ca20843f3b8fba9f1501b2a89Dmitry Shmidt#ifdef CONFIG_TESTING_OPTIONS 162421de214b4ba4271ca20843f3b8fba9f1501b2a89Dmitry Shmidt else if (wps->encr_type & WPS_ENCR_WEP) 162521de214b4ba4271ca20843f3b8fba9f1501b2a89Dmitry Shmidt wps->encr_type = WPS_ENCR_WEP; 162621de214b4ba4271ca20843f3b8fba9f1501b2a89Dmitry Shmidt#endif /* CONFIG_TESTING_OPTIONS */ 16278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else { 16288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No suitable encryption " 16298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "type for non-WPA/WPA2 mode"); 16308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.encr_type = wps->encr_type; 16348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 16358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Set MAC address in the Credential to be the Enrollee's MAC address 16368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 16378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.mac_addr, wps->mac_addr_e, ETH_ALEN); 16388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_state == WPS_STATE_NOT_CONFIGURED && wps->wps->ap && 16408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps->wps->registrar->disable_auto_conf) { 16418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 r[16]; 16428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Generate a random passphrase */ 16438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (random_get_bytes(r, sizeof(r)) < 0) 16448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wps->new_psk); 16468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk = base64_encode(r, sizeof(r), &wps->new_psk_len); 16478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->new_psk == NULL) 16488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk_len--; /* remove newline */ 16508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (wps->new_psk_len && 16518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk[wps->new_psk_len - 1] == '=') 16528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk_len--; 16538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_ascii_key(MSG_DEBUG, "WPS: Generated passphrase", 16548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk, wps->new_psk_len); 16558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.key, wps->new_psk, wps->new_psk_len); 16568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.key_len = wps->new_psk_len; 1657391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt } else if (!wps->wps->registrar->force_per_enrollee_psk && 1658391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt wps->use_psk_key && wps->wps->psk_set) { 16598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char hex[65]; 16608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Use PSK format for Network Key"); 16618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_snprintf_hex(hex, sizeof(hex), wps->wps->psk, 32); 16628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.key, hex, 32 * 2); 16638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.key_len = 32 * 2; 1664391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt } else if (!wps->wps->registrar->force_per_enrollee_psk && 1665391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt wps->wps->network_key) { 16668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.key, wps->wps->network_key, 16678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->network_key_len); 16688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.key_len = wps->wps->network_key_len; 16698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (wps->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) { 16708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char hex[65]; 16718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Generate a random per-device PSK */ 16728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wps->new_psk); 16738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk_len = 32; 16748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk = os_malloc(wps->new_psk_len); 16758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->new_psk == NULL) 16768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (random_get_bytes(wps->new_psk, wps->new_psk_len) < 0) { 16788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wps->new_psk); 16798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk = NULL; 16808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: Generated per-device PSK", 16838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk, wps->new_psk_len); 16848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_snprintf_hex(hex, sizeof(hex), wps->new_psk, 16858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk_len); 16868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.key, hex, wps->new_psk_len * 2); 16878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.key_len = wps->new_psk_len * 2; 16888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtuse_provided: 16918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_TESTING 16928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_testing_dummy_cred) 16938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred = wpabuf_alloc(200); 16948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 16958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred = NULL; 16968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cred) { 16978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_credential dummy; 16988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Add dummy credential"); 16998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(&dummy, 0, sizeof(dummy)); 17008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dummy.ssid, "dummy", 5); 17018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dummy.ssid_len = 5; 17028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dummy.auth_type = WPS_AUTH_WPA2PSK; 17038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dummy.encr_type = WPS_ENCR_AES; 17048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dummy.key, "dummy psk", 9); 17058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dummy.key_len = 9; 17068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dummy.mac_addr, wps->mac_addr_e, ETH_ALEN); 17078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_credential(cred, &dummy); 17088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_buf(MSG_DEBUG, "WPS: Dummy Credential", cred); 17098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_CRED); 17118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, wpabuf_len(cred)); 17128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_buf(msg, cred); 17138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(cred); 17158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_TESTING */ 17178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred = wpabuf_alloc(200); 17198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cred == NULL) 17208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 17218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_credential(cred, &wps->cred)) { 17238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(cred); 17248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 17258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_CRED); 17288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, wpabuf_len(cred)); 17298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_buf(msg, cred); 17308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(cred); 17318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtskip_cred_build: 17338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->registrar->extra_cred) { 17348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Credential (pre-configured)"); 17358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_buf(msg, wps->wps->registrar->extra_cred); 17368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 17398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_ap_settings(struct wps_data *wps, struct wpabuf *msg) 17438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * AP Settings"); 17458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_credential(msg, &wps->cred)) 17478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 17488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 17508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17531f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtstatic struct wpabuf * wps_build_ap_cred(struct wps_data *wps) 17541f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 17551f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct wpabuf *msg, *plain; 17561f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17571f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt msg = wpabuf_alloc(1000); 17581f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (msg == NULL) 17591f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return NULL; 17601f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17611f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt plain = wpabuf_alloc(200); 17621f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (plain == NULL) { 17631f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(msg); 17641f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return NULL; 17651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 17661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17671f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wps_build_ap_settings(wps, plain)) { 17681f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(plain); 17691f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(msg); 17701f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return NULL; 17711f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 17721f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17731f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_be16(msg, ATTR_CRED); 17741f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_be16(msg, wpabuf_len(plain)); 17751f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_buf(msg, plain); 17761f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(plain); 17771f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17781f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return msg; 17791f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 17801f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17811f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * wps_build_m2(struct wps_data *wps) 17838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg; 1785cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt int config_in_m2 = 0; 17868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (random_get_bytes(wps->nonce_r, WPS_NONCE_LEN) < 0) 17888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 17898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Registrar Nonce", 17908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->nonce_r, WPS_NONCE_LEN); 17918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: UUID-R", wps->uuid_r, WPS_UUID_LEN); 17928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Building Message M2"); 17948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wpabuf_alloc(1000); 17958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg == NULL) 17968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 17978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(msg) || 17998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_msg_type(msg, WPS_M2) || 18008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_enrollee_nonce(wps, msg) || 18018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_registrar_nonce(wps, msg) || 18028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_uuid_r(wps, msg) || 18038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_public_key(wps, msg) || 18048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_derive_keys(wps) || 18058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_auth_type_flags(wps, msg) || 18068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_encr_type_flags(wps, msg) || 18078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_conn_type_flags(wps, msg) || 18088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_config_methods_r(wps->wps->registrar, msg) || 18098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_device_attrs(&wps->wps->dev, msg) || 1810b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps_build_rf_bands(&wps->wps->dev, msg, 1811b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->wps->rf_band_cb(wps->wps->cb_ctx)) || 18128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_assoc_state(wps, msg) || 18138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_config_error(msg, WPS_CFG_NO_ERROR) || 18148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_dev_password_id(msg, wps->dev_pw_id) || 18158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_os_version(&wps->wps->dev, msg) || 1816cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps_build_wfa_ext(msg, 0, NULL, 0)) { 1817cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpabuf_free(msg); 1818cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt return NULL; 1819cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt } 1820cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt 1821cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt#ifdef CONFIG_WPS_NFC 1822cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (wps->nfc_pw_token && wps->nfc_pw_token->pk_hash_provided_oob && 1823cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps->nfc_pw_token->pw_id == DEV_PW_NFC_CONNECTION_HANDOVER) { 1824cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt /* 1825cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt * Use abbreviated handshake since public key hash allowed 1826cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt * Enrollee to validate our public key similarly to how Enrollee 1827cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt * public key was validated. There is no need to validate Device 1828cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt * Password in this case. 1829cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt */ 1830cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt struct wpabuf *plain = wpabuf_alloc(500); 1831cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (plain == NULL || 1832cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps_build_cred(wps, plain) || 1833cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps_build_key_wrap_auth(wps, plain) || 1834cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps_build_encr_settings(wps, msg, plain)) { 1835cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpabuf_free(msg); 1836cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpabuf_free(plain); 1837cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt return NULL; 1838cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt } 1839cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpabuf_free(plain); 1840cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt config_in_m2 = 1; 1841cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt } 1842cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt#endif /* CONFIG_WPS_NFC */ 1843cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt 1844cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (wps_build_authenticator(wps, msg)) { 18458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(msg); 18468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 18488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->int_reg = 1; 1850cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps->state = config_in_m2 ? RECV_DONE : RECV_M3; 18518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 18528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * wps_build_m2d(struct wps_data *wps) 18568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg; 18588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 err = wps->config_error; 18598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Building Message M2D"); 18618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wpabuf_alloc(1000); 18628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg == NULL) 18638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->ap && wps->wps->ap_setup_locked && 18668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt err == WPS_CFG_NO_ERROR) 18678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt err = WPS_CFG_SETUP_LOCKED; 18688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(msg) || 18708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_msg_type(msg, WPS_M2D) || 18718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_enrollee_nonce(wps, msg) || 18728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_registrar_nonce(wps, msg) || 18738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_uuid_r(wps, msg) || 18748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_auth_type_flags(wps, msg) || 18758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_encr_type_flags(wps, msg) || 18768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_conn_type_flags(wps, msg) || 18778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_config_methods_r(wps->wps->registrar, msg) || 18788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_device_attrs(&wps->wps->dev, msg) || 1879b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps_build_rf_bands(&wps->wps->dev, msg, 1880b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->wps->rf_band_cb(wps->wps->cb_ctx)) || 18818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_assoc_state(wps, msg) || 18828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_config_error(msg, err) || 18838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_os_version(&wps->wps->dev, msg) || 18848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(msg, 0, NULL, 0)) { 18858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(msg); 18868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 18888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = RECV_M2D_ACK; 18908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 18918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * wps_build_m4(struct wps_data *wps) 18958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg, *plain; 18978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Building Message M4"); 18998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_derive_psk(wps, wps->dev_password, wps->dev_password_len); 19018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plain = wpabuf_alloc(200); 19038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (plain == NULL) 19048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wpabuf_alloc(1000); 19078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg == NULL) { 19088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(msg) || 19138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_msg_type(msg, WPS_M4) || 19148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_enrollee_nonce(wps, msg) || 19158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_r_hash(wps, msg) || 19168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_r_snonce1(wps, plain) || 19178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_key_wrap_auth(wps, plain) || 19188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_encr_settings(wps, msg, plain) || 19198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(msg, 0, NULL, 0) || 19208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_authenticator(wps, msg)) { 19218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(msg); 19238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = RECV_M5; 19288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 19298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 19308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * wps_build_m6(struct wps_data *wps) 19338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 19348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg, *plain; 19358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Building Message M6"); 19378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plain = wpabuf_alloc(200); 19398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (plain == NULL) 19408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wpabuf_alloc(1000); 19438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg == NULL) { 19448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(msg) || 19498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_msg_type(msg, WPS_M6) || 19508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_enrollee_nonce(wps, msg) || 19518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_r_snonce2(wps, plain) || 19528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_key_wrap_auth(wps, plain) || 19538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_encr_settings(wps, msg, plain) || 19548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(msg, 0, NULL, 0) || 19558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_authenticator(wps, msg)) { 19568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(msg); 19588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps_pin_revealed = 1; 19638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = RECV_M7; 19648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 19658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 19668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * wps_build_m8(struct wps_data *wps) 19698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 19708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg, *plain; 19718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Building Message M8"); 19738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plain = wpabuf_alloc(500); 19758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (plain == NULL) 19768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wpabuf_alloc(1000); 19798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg == NULL) { 19808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(msg) || 19858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_msg_type(msg, WPS_M8) || 19868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_enrollee_nonce(wps, msg) || 19878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ((wps->wps->ap || wps->er) && wps_build_cred(wps, plain)) || 19888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (!wps->wps->ap && !wps->er && wps_build_ap_settings(wps, plain)) || 19898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_key_wrap_auth(wps, plain) || 19908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_encr_settings(wps, msg, plain) || 19918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(msg, 0, NULL, 0) || 19928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_authenticator(wps, msg)) { 19938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(msg); 19958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = RECV_DONE; 20008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 20018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 20028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpabuf * wps_registrar_get_msg(struct wps_data *wps, 20058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum wsc_op_code *op_code) 20068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 20078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg; 20088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 20108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!wps->int_reg && wps->wps->wps_upnp) { 20118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct upnp_pending_message *p, *prev = NULL; 20128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ext_reg > 1) 20138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_free_pending_m2(wps->wps); 20148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p = wps->wps->upnp_msgs; 20158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: check pending message MAC address */ 20168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (p && p->next) { 20178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = p; 20188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p = p->next; 20198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (p) { 20218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Use pending message from " 20228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "UPnP"); 20238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (prev) 20248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev->next = NULL; 20258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 20268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->upnp_msgs = NULL; 20278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = p->msg; 20288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (p->type) { 20298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_WSC_ACK: 20308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_ACK; 20318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_WSC_NACK: 20338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_NACK; 20348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 20368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 20378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(p); 20408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ext_reg == 0) 20418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->ext_reg = 1; 20428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 20438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ext_reg) { 20468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Using external Registrar, but no " 20478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "pending message available"); 20488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 20498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 20518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (wps->state) { 20538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_M2: 20548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_get_dev_password(wps) < 0) 20558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m2d(wps); 20568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 20578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m2(wps); 20588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 20598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_M2D: 20618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m2d(wps); 20628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 20638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_M4: 20658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m4(wps); 20668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 20678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_M6: 20698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m6(wps); 20708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 20718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_M8: 20738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m8(wps); 20748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 20758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case RECV_DONE: 20778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_wsc_ack(wps); 20788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_ACK; 20798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_WSC_NACK: 20818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_wsc_nack(wps); 20828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_NACK; 20838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 20858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unsupported state %d for building " 20868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "a message", wps->state); 20878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = NULL; 20888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*op_code == WSC_MSG && msg) { 20928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Save a copy of the last message for Authenticator derivation 20938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 20948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(wps->last_msg); 20958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->last_msg = wpabuf_dup(msg); 20968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 20998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 21008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_enrollee_nonce(struct wps_data *wps, const u8 *e_nonce) 21038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (e_nonce == NULL) { 21058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Enrollee Nonce received"); 21068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->nonce_e, e_nonce, WPS_NONCE_LEN); 21108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Enrollee Nonce", 21118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->nonce_e, WPS_NONCE_LEN); 21128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 21148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 21158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_registrar_nonce(struct wps_data *wps, const u8 *r_nonce) 21188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (r_nonce == NULL) { 21208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Registrar Nonce received"); 21218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(wps->nonce_r, r_nonce, WPS_NONCE_LEN) != 0) { 21258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalid Registrar Nonce received"); 21268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 21308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 21318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_uuid_e(struct wps_data *wps, const u8 *uuid_e) 21348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (uuid_e == NULL) { 21368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No UUID-E received"); 21378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->uuid_e, uuid_e, WPS_UUID_LEN); 21418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: UUID-E", wps->uuid_e, WPS_UUID_LEN); 21428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 21448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 21458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_dev_password_id(struct wps_data *wps, const u8 *pw_id) 21488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pw_id == NULL) { 21508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Device Password ID received"); 21518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id = WPA_GET_BE16(pw_id); 21558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Device Password ID %d", wps->dev_pw_id); 21568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 21588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 21598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_e_hash1(struct wps_data *wps, const u8 *e_hash1) 21628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (e_hash1 == NULL) { 21648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No E-Hash1 received"); 21658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->peer_hash1, e_hash1, WPS_HASH_LEN); 21698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: E-Hash1", wps->peer_hash1, WPS_HASH_LEN); 21708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 21728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 21738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_e_hash2(struct wps_data *wps, const u8 *e_hash2) 21768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (e_hash2 == NULL) { 21788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No E-Hash2 received"); 21798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->peer_hash2, e_hash2, WPS_HASH_LEN); 21838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: E-Hash2", wps->peer_hash2, WPS_HASH_LEN); 21848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 21868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 21878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_e_snonce1(struct wps_data *wps, const u8 *e_snonce1) 21908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 hash[SHA256_MAC_LEN]; 21928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr[4]; 21938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len[4]; 21948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (e_snonce1 == NULL) { 21968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No E-SNonce1 received"); 21978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: E-SNonce1", e_snonce1, 22018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_SECRET_NONCE_LEN); 22028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* E-Hash1 = HMAC_AuthKey(E-S1 || PSK1 || PK_E || PK_R) */ 22048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[0] = e_snonce1; 22058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[0] = WPS_SECRET_NONCE_LEN; 22068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[1] = wps->psk1; 22078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[1] = WPS_PSK_LEN; 22088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[2] = wpabuf_head(wps->dh_pubkey_e); 22098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[2] = wpabuf_len(wps->dh_pubkey_e); 22108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[3] = wpabuf_head(wps->dh_pubkey_r); 22118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[3] = wpabuf_len(wps->dh_pubkey_r); 22128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash); 22138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2214c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt if (os_memcmp_const(wps->peer_hash1, hash, WPS_HASH_LEN) != 0) { 22158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: E-Hash1 derived from E-S1 does " 22168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "not match with the pre-committed value"); 22178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_DEV_PASSWORD_AUTH_FAILURE; 2218b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps_pwd_auth_fail_event(wps->wps, 0, 1, wps->mac_addr_e); 22198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 22208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 22218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee proved knowledge of the first " 22238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "half of the device password"); 22248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 22268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 22278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_e_snonce2(struct wps_data *wps, const u8 *e_snonce2) 22308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 22318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 hash[SHA256_MAC_LEN]; 22328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr[4]; 22338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len[4]; 22348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (e_snonce2 == NULL) { 22368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No E-SNonce2 received"); 22378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 22388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 22398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: E-SNonce2", e_snonce2, 22418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_SECRET_NONCE_LEN); 22428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* E-Hash2 = HMAC_AuthKey(E-S2 || PSK2 || PK_E || PK_R) */ 22448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[0] = e_snonce2; 22458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[0] = WPS_SECRET_NONCE_LEN; 22468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[1] = wps->psk2; 22478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[1] = WPS_PSK_LEN; 22488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[2] = wpabuf_head(wps->dh_pubkey_e); 22498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[2] = wpabuf_len(wps->dh_pubkey_e); 22508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[3] = wpabuf_head(wps->dh_pubkey_r); 22518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[3] = wpabuf_len(wps->dh_pubkey_r); 22528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash); 22538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2254c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt if (os_memcmp_const(wps->peer_hash2, hash, WPS_HASH_LEN) != 0) { 22558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: E-Hash2 derived from E-S2 does " 22568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "not match with the pre-committed value"); 22578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_invalidate_pin(wps->wps->registrar, wps->uuid_e); 22588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_DEV_PASSWORD_AUTH_FAILURE; 2259b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps_pwd_auth_fail_event(wps->wps, 0, 2, wps->mac_addr_e); 22608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 22618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 22628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee proved knowledge of the second " 22648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "half of the device password"); 22658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps_pin_revealed = 0; 22668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_unlock_pin(wps->wps->registrar, wps->uuid_e); 22678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2268c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt /* 2269c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * In case wildcard PIN is used and WPS handshake succeeds in the first 2270c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * attempt, wps_registrar_unlock_pin() would not free the PIN, so make 2271c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * sure the PIN gets invalidated here. 2272c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt */ 2273c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt wps_registrar_invalidate_pin(wps->wps->registrar, wps->uuid_e); 2274c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt 22758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 22768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 22778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_mac_addr(struct wps_data *wps, const u8 *mac_addr) 22808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 22818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (mac_addr == NULL) { 22828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No MAC Address received"); 22838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 22848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 22858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee MAC Address " MACSTR, 22878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(mac_addr)); 22888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->mac_addr_e, mac_addr, ETH_ALEN); 22898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->peer_dev.mac_addr, mac_addr, ETH_ALEN); 22908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 22928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 22938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_pubkey(struct wps_data *wps, const u8 *pk, 22968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t pk_len) 22978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 22988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pk == NULL || pk_len == 0) { 22998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Public Key received"); 23008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 23018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 23028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(wps->dh_pubkey_e); 23048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dh_pubkey_e = wpabuf_alloc_copy(pk, pk_len); 23058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->dh_pubkey_e == NULL) 23068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 23078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 23098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 23108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_auth_type_flags(struct wps_data *wps, const u8 *auth) 23138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 23148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 auth_types; 23158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (auth == NULL) { 23178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Authentication Type flags " 23188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "received"); 23198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 23208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 23218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt auth_types = WPA_GET_BE16(auth); 23238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Authentication Type flags 0x%x", 23258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt auth_types); 23268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type = wps->wps->auth_types & auth_types; 23278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->auth_type == 0) { 23288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No match in supported " 23298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "authentication types (own 0x%x Enrollee 0x%x)", 23308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->auth_types, auth_types); 23318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef WPS_WORKAROUNDS 23328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 23338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Some deployed implementations seem to advertise incorrect 23348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * information in this attribute. For example, Linksys WRT350N 23358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * seems to have a byteorder bug that breaks this negotiation. 23368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * In order to interoperate with existing implementations, 23378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * assume that the Enrollee supports everything we do. 23388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 23398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Workaround - assume Enrollee " 23408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "does not advertise supported authentication types " 23418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "correctly"); 23428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type = wps->wps->auth_types; 23438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* WPS_WORKAROUNDS */ 23448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 23458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* WPS_WORKAROUNDS */ 23468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 23478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 23498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 23508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_encr_type_flags(struct wps_data *wps, const u8 *encr) 23538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 23548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 encr_types; 23558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (encr == NULL) { 23578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Encryption Type flags " 23588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "received"); 23598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 23608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 23618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_types = WPA_GET_BE16(encr); 23638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Encryption Type flags 0x%x", 23658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_types); 23668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->encr_type = wps->wps->encr_types & encr_types; 23678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->encr_type == 0) { 23688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No match in supported " 23698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "encryption types (own 0x%x Enrollee 0x%x)", 23708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->encr_types, encr_types); 23718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef WPS_WORKAROUNDS 23728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 23738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Some deployed implementations seem to advertise incorrect 23748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * information in this attribute. For example, Linksys WRT350N 23758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * seems to have a byteorder bug that breaks this negotiation. 23768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * In order to interoperate with existing implementations, 23778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * assume that the Enrollee supports everything we do. 23788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 23798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Workaround - assume Enrollee " 23808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "does not advertise supported encryption types " 23818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "correctly"); 23828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->encr_type = wps->wps->encr_types; 23838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* WPS_WORKAROUNDS */ 23848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 23858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* WPS_WORKAROUNDS */ 23868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 23878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 23898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 23908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_conn_type_flags(struct wps_data *wps, const u8 *conn) 23938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 23948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conn == NULL) { 23958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Connection Type flags " 23968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "received"); 23978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 23988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 23998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Connection Type flags 0x%x", 24018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *conn); 24028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 24048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 24058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_config_methods(struct wps_data *wps, const u8 *methods) 24088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 24098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 m; 24108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (methods == NULL) { 24128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Config Methods received"); 24138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 24148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 24158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m = WPA_GET_BE16(methods); 24178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Config Methods 0x%x" 24198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "%s%s%s%s%s%s%s%s%s", m, 24208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_USBA ? " [USBA]" : "", 24218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_ETHERNET ? " [Ethernet]" : "", 24228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_LABEL ? " [Label]" : "", 24238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_DISPLAY ? " [Display]" : "", 24248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_EXT_NFC_TOKEN ? " [Ext NFC Token]" : "", 24258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_INT_NFC_TOKEN ? " [Int NFC Token]" : "", 24268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_NFC_INTERFACE ? " [NFC]" : "", 24278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_PUSHBUTTON ? " [PBC]" : "", 24288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_KEYPAD ? " [Keypad]" : ""); 24298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!(m & WPS_CONFIG_DISPLAY) && !wps->use_psk_key) { 24318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 24328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * The Enrollee does not have a display so it is unlikely to be 24338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * able to show the passphrase to a user and as such, could 24348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * benefit from receiving PSK to reduce key derivation time. 24358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 24368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Prefer PSK format key due to " 24378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Enrollee not supporting display"); 24388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->use_psk_key = 1; 24398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 24408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 24428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 24438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_wps_state(struct wps_data *wps, const u8 *state) 24468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 24478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (state == NULL) { 24488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Wi-Fi Protected Setup State " 24498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "received"); 24508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 24518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 24528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Wi-Fi Protected Setup State %d", 24548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *state); 24558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 24578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 24588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_assoc_state(struct wps_data *wps, const u8 *assoc) 24618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 24628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 a; 24638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (assoc == NULL) { 24658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Association State received"); 24668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 24678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 24688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt a = WPA_GET_BE16(assoc); 24708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Association State %d", a); 24718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 24738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 24748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_config_error(struct wps_data *wps, const u8 *err) 24778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 24788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 e; 24798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (err == NULL) { 24818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Configuration Error received"); 24828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 24838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 24848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt e = WPA_GET_BE16(err); 24868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Configuration Error %d", e); 24878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 24898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 24908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_registrar_p2p_dev_addr_match(struct wps_data *wps) 24938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 24948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 24958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar *reg = wps->wps->registrar; 24968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (is_zero_ether_addr(reg->p2p_dev_addr)) 24988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; /* no filtering in use */ 24998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(reg->p2p_dev_addr, wps->p2p_dev_addr, ETH_ALEN) != 0) { 25018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No match on P2P Device Address " 25028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "filtering for PBC: expected " MACSTR " was " 25038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MACSTR " - indicate PBC session overlap", 25048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(reg->p2p_dev_addr), 25058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(wps->p2p_dev_addr)); 25068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 25078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 25088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 25098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 25108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 25118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_registrar_skip_overlap(struct wps_data *wps) 25148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 25158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 25168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar *reg = wps->wps->registrar; 25178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (is_zero_ether_addr(reg->p2p_dev_addr)) 25198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; /* no specific Enrollee selected */ 25208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(reg->p2p_dev_addr, wps->p2p_dev_addr, ETH_ALEN) == 0) { 25228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Skip PBC overlap due to selected " 25238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Enrollee match"); 25248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 25258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 25268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 25278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 25288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 25298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_m1(struct wps_data *wps, 25328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr *attr) 25338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 25348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received M1"); 25358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state != RECV_M1) { 25378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for " 25388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "receiving M1", wps->state); 25398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 25408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 25418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_process_uuid_e(wps, attr->uuid_e) || 25438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_mac_addr(wps, attr->mac_addr) || 25448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_enrollee_nonce(wps, attr->enrollee_nonce) || 25458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_pubkey(wps, attr->public_key, attr->public_key_len) || 25468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_auth_type_flags(wps, attr->auth_type_flags) || 25478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_encr_type_flags(wps, attr->encr_type_flags) || 25488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_conn_type_flags(wps, attr->conn_type_flags) || 25498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_config_methods(wps, attr->config_methods) || 25508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_wps_state(wps, attr->wps_state) || 25518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_device_attrs(&wps->peer_dev, attr) || 25528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_rf_bands(&wps->peer_dev, attr->rf_bands) || 25538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_assoc_state(wps, attr->assoc_state) || 25548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_dev_password_id(wps, attr->dev_password_id) || 25558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_config_error(wps, attr->config_error) || 25568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_os_version(&wps->peer_dev, attr->os_version)) 25578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 25588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->dev_pw_id < 0x10 && 25608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id != DEV_PW_DEFAULT && 25618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id != DEV_PW_USER_SPECIFIED && 25628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id != DEV_PW_MACHINE_SPECIFIED && 25638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id != DEV_PW_REGISTRAR_SPECIFIED && 2564cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt#ifdef CONFIG_WPS_NFC 2565cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps->dev_pw_id != DEV_PW_NFC_CONNECTION_HANDOVER && 2566cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt#endif /* CONFIG_WPS_NFC */ 25678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (wps->dev_pw_id != DEV_PW_PUSHBUTTON || 25688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps->wps->registrar->pbc)) { 25698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unsupported Device Password ID %d", 25708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id); 25718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M2D; 25728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 25738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 25748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 257504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#ifdef CONFIG_WPS_NFC 2576cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (wps->dev_pw_id >= 0x10 || 2577cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps->dev_pw_id == DEV_PW_NFC_CONNECTION_HANDOVER) { 257804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct wps_nfc_pw_token *token; 257904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *addr[1]; 258004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt u8 hash[WPS_HASH_LEN]; 258104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 25825460547a121207cf7a99eac45e05fcdd83be3161Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Searching for NFC token match for id=%d (ctx %p registrar %p)", 25835460547a121207cf7a99eac45e05fcdd83be3161Dmitry Shmidt wps->dev_pw_id, wps->wps, wps->wps->registrar); 258404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt token = wps_get_nfc_pw_token( 258504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt &wps->wps->registrar->nfc_pw_tokens, wps->dev_pw_id); 2586cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (token && token->peer_pk_hash_known) { 258704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Found matching NFC " 258804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt "Password Token"); 258904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dl_list_del(&token->list); 259004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps->nfc_pw_token = token; 259104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 259204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt addr[0] = attr->public_key; 259304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt sha256_vector(1, addr, &attr->public_key_len, hash); 2594c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt if (os_memcmp_const(hash, 2595c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt wps->nfc_pw_token->pubkey_hash, 2596c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt WPS_OOB_PUBKEY_HASH_LEN) != 0) { 259704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_printf(MSG_ERROR, "WPS: Public Key hash " 259804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt "mismatch"); 2599cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps->state = SEND_M2D; 2600cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps->config_error = 2601cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt WPS_CFG_PUBLIC_KEY_HASH_MISMATCH; 2602cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt return WPS_CONTINUE; 260304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 2604cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt } else if (token) { 2605cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Found matching NFC " 2606cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt "Password Token (no peer PK hash)"); 2607cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps->nfc_pw_token = token; 2608cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt } else if (wps->dev_pw_id >= 0x10 && 2609cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps->wps->ap_nfc_dev_pw_id == wps->dev_pw_id && 2610cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wps->wps->ap_nfc_dev_pw) { 2611cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Found match with own NFC Password Token"); 261204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 261304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 261404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#endif /* CONFIG_WPS_NFC */ 261504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 26168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->dev_pw_id == DEV_PW_PUSHBUTTON) { 26178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((wps->wps->registrar->force_pbc_overlap || 26188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pbc_overlap(wps->wps->registrar, 26198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->mac_addr_e, wps->uuid_e) || 26208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps_registrar_p2p_dev_addr_match(wps)) && 26218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps_registrar_skip_overlap(wps)) { 26228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC overlap - deny PBC " 26238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "negotiation"); 26248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M2D; 26258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED; 26268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_pbc_overlap_event(wps->wps); 26278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M1, 26288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_CFG_MULTIPLE_PBC_DETECTED, 2629b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt WPS_EI_NO_ERROR, wps->mac_addr_e); 26308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->registrar->force_pbc_overlap = 1; 26318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_add_pbc_session(wps->wps->registrar, 26348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->mac_addr_e, wps->uuid_e); 26358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->pbc = 1; 26368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef WPS_WORKAROUNDS 26398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 26408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * It looks like Mac OS X 10.6.3 and 10.6.4 do not like Network Key in 26418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * passphrase format. To avoid interop issues, force PSK format to be 26428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * used. 26438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 26448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!wps->use_psk_key && 26458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->peer_dev.manufacturer && 26468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_strncmp(wps->peer_dev.manufacturer, "Apple ", 6) == 0 && 26478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->peer_dev.model_name && 26488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_strcmp(wps->peer_dev.model_name, "AirPort") == 0) { 26498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Workaround - Force Network Key in " 26508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "PSK format"); 26518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->use_psk_key = 1; 26528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* WPS_WORKAROUNDS */ 26548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M2; 26568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 26588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_m3(struct wps_data *wps, 26618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg, 26628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr *attr) 26638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 26648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received M3"); 26658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state != RECV_M3) { 26678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for " 26688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "receiving M3", wps->state); 26698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 26708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->pbc && wps->wps->registrar->force_pbc_overlap && 26748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps_registrar_skip_overlap(wps)) { 26758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Reject negotiation due to PBC " 26768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "session overlap"); 26778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 26788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED; 26798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_process_registrar_nonce(wps, attr->registrar_nonce) || 26838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_authenticator(wps, attr->authenticator, msg) || 26848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_e_hash1(wps, attr->e_hash1) || 26858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_e_hash2(wps, attr->e_hash2)) { 26868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 26878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M4; 26918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 26938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_m5(struct wps_data *wps, 26968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg, 26978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr *attr) 26988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 26998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *decrypted; 27008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr eattr; 27018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received M5"); 27038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state != RECV_M5) { 27058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for " 27068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "receiving M5", wps->state); 27078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 27088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 27098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 27108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->pbc && wps->wps->registrar->force_pbc_overlap && 27128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps_registrar_skip_overlap(wps)) { 27138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Reject negotiation due to PBC " 27148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "session overlap"); 27158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 27168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED; 27178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 27188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 27198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_process_registrar_nonce(wps, attr->registrar_nonce) || 27218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_authenticator(wps, attr->authenticator, msg)) { 27228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 27238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 27248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 27258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt decrypted = wps_decrypt_encr_settings(wps, attr->encr_settings, 27278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr->encr_settings_len); 27288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (decrypted == NULL) { 27298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Failed to decrypted Encrypted " 27308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Settings attribute"); 27318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 27328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 27338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 27348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m5_encr(decrypted, attr->version2 != NULL) < 0) { 27368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 27378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 27388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 27398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 27408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Processing decrypted Encrypted Settings " 27428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "attribute"); 27438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(decrypted, &eattr) < 0 || 27448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_key_wrap_auth(wps, decrypted, eattr.key_wrap_auth) || 27458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_e_snonce1(wps, eattr.e_snonce1)) { 27468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 27478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 27488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 27498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 27508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 27518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M6; 27538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 27548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 27558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_sta_cred_cb(struct wps_data *wps) 27588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 27598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 27608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Update credential to only include a single authentication and 27618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * encryption type in case the AP configuration includes more than one 27628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * option. 27638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 27648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->cred.auth_type & WPS_AUTH_WPA2PSK) 27658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.auth_type = WPS_AUTH_WPA2PSK; 27668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->cred.auth_type & WPS_AUTH_WPAPSK) 27678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.auth_type = WPS_AUTH_WPAPSK; 27688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->cred.encr_type & WPS_ENCR_AES) 27698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.encr_type = WPS_ENCR_AES; 27708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->cred.encr_type & WPS_ENCR_TKIP) 27718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.encr_type = WPS_ENCR_TKIP; 27728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Update local configuration based on the " 27738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "AP configuration"); 27748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->cred_cb) 27758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->cred_cb(wps->wps->cb_ctx, &wps->cred); 27768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 27778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_cred_update(struct wps_credential *dst, 27808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_credential *src) 27818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 27828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dst->ssid, src->ssid, sizeof(dst->ssid)); 27838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dst->ssid_len = src->ssid_len; 27848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dst->auth_type = src->auth_type; 27858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dst->encr_type = src->encr_type; 27868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dst->key_idx = src->key_idx; 27878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dst->key, src->key, sizeof(dst->key)); 27888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dst->key_len = src->key_len; 27898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 27908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_ap_settings_r(struct wps_data *wps, 27938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr *attr) 27948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 27951f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct wpabuf *msg; 27961f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 27978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->ap || wps->er) 27988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 27998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* AP Settings Attributes in M7 when Enrollee is an AP */ 28018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_process_ap_settings(attr, &wps->cred) < 0) 28028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 28038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "WPS: Received old AP configuration from AP"); 28058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->new_ap_settings) { 28078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "WPS: Update AP configuration based on " 28088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "new settings"); 28098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_cred_update(&wps->cred, wps->new_ap_settings); 28108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 28118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 28128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 28138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Use the AP PIN only to receive the current AP settings, not 28148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * to reconfigure the AP. 28158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 28168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 28188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Clear selected registrar here since we do not get to 28198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * WSC_Done in this protocol run. 28208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 28218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pin_completed(wps->wps->registrar); 28228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28231f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt msg = wps_build_ap_cred(wps); 28241f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (msg == NULL) 28251f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return -1; 28261f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->cred.cred_attr = wpabuf_head(msg); 28271f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->cred.cred_attr_len = wpabuf_len(msg); 28281f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 28298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ap_settings_cb) { 28308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->ap_settings_cb(wps->ap_settings_cb_ctx, 28318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &wps->cred); 28321f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(msg); 28338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 28348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_sta_cred_cb(wps); 28361f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 28371f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->cred.cred_attr = NULL; 28381f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->cred.cred_attr_len = 0; 28391f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(msg); 28401f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 28418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 28428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 28448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_m7(struct wps_data *wps, 28478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg, 28488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr *attr) 28498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 28508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *decrypted; 28518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr eattr; 28528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received M7"); 28548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state != RECV_M7) { 28568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for " 28578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "receiving M7", wps->state); 28588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 28598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 28608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->pbc && wps->wps->registrar->force_pbc_overlap && 28638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps_registrar_skip_overlap(wps)) { 28648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Reject negotiation due to PBC " 28658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "session overlap"); 28668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 28678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED; 28688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 28698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_process_registrar_nonce(wps, attr->registrar_nonce) || 28728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_authenticator(wps, attr->authenticator, msg)) { 28738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 28748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 28758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt decrypted = wps_decrypt_encr_settings(wps, attr->encr_settings, 28788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr->encr_settings_len); 28798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (decrypted == NULL) { 28808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Failed to decrypt Encrypted " 28818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Settings attribute"); 28828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 28838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 28848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m7_encr(decrypted, wps->wps->ap || wps->er, 28878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr->version2 != NULL) < 0) { 28888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 28898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 28908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 28918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Processing decrypted Encrypted Settings " 28948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "attribute"); 28958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(decrypted, &eattr) < 0 || 28968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_key_wrap_auth(wps, decrypted, eattr.key_wrap_auth) || 28978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_e_snonce2(wps, eattr.e_snonce2) || 28988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_ap_settings_r(wps, &eattr)) { 28998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 29008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 29018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 29028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 29058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M8; 29078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 29088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 29098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_wsc_msg(struct wps_data *wps, 29128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg) 29138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 29148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 29158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum wps_process_res ret = WPS_CONTINUE; 29168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received WSC_MSG"); 29188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0) 29208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.msg_type == NULL) { 29238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute"); 29248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 29258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 29268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*attr.msg_type != WPS_M1 && 29298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (attr.registrar_nonce == NULL || 29308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(wps->nonce_r, attr.registrar_nonce, 293161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt WPS_NONCE_LEN) != 0)) { 29328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in registrar nonce"); 29338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (*attr.msg_type) { 29378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_M1: 29388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m1(msg) < 0) 29398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 29418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && attr.mac_addr) { 29428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Remove old pending messages when starting new run */ 29438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_free_pending_msgs(wps->wps->upnp_msgs); 29448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->upnp_msgs = NULL; 29458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt upnp_wps_device_send_wlan_event( 29478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->wps_upnp, attr.mac_addr, 29488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt UPNP_WPS_WLANEVENT_TYPE_EAP, msg); 29498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 29518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wps_process_m1(wps, &attr); 29528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 29538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_M3: 29548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m3(msg) < 0) 29558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wps_process_m3(wps, msg, &attr); 29578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret == WPS_FAILURE || wps->state == SEND_WSC_NACK) 29588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M3, wps->config_error, 2959b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 29608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 29618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_M5: 29628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m5(msg) < 0) 29638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wps_process_m5(wps, msg, &attr); 29658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret == WPS_FAILURE || wps->state == SEND_WSC_NACK) 29668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M5, wps->config_error, 2967b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 29688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 29698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_M7: 29708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m7(msg) < 0) 29718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wps_process_m7(wps, msg, &attr); 29738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret == WPS_FAILURE || wps->state == SEND_WSC_NACK) 29748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M7, wps->config_error, 2975b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 29768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 29778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 29788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unsupported Message Type %d", 29798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.msg_type); 29808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret == WPS_CONTINUE) { 29848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Save a copy of the last message for Authenticator derivation 29858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 29868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(wps->last_msg); 29878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->last_msg = wpabuf_dup(msg); 29888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ret; 29918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 29928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_wsc_ack(struct wps_data *wps, 29958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg) 29968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 29978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 29988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received WSC_ACK"); 30008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0) 30028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.msg_type == NULL) { 30058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute"); 30068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*attr.msg_type != WPS_WSC_ACK) { 30108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalid Message Type %d", 30118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.msg_type); 30128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 30168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && wps->ext_reg && wps->state == RECV_M2D_ACK && 30178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt upnp_wps_subscribers(wps->wps->wps_upnp)) { 30188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->upnp_msgs) 30198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 30208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Wait for response from an " 30218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "external Registrar"); 30228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_PENDING; 30238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 30258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.registrar_nonce == NULL || 302761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_r, attr.registrar_nonce, WPS_NONCE_LEN) != 0) 30288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 30298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in registrar nonce"); 30308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.enrollee_nonce == NULL || 303461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_e, attr.enrollee_nonce, WPS_NONCE_LEN) != 0) { 30358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in enrollee nonce"); 30368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state == RECV_M2D_ACK) { 30408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 30418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && 30428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt upnp_wps_subscribers(wps->wps->wps_upnp)) { 30438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->upnp_msgs) 30448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 30458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ext_reg == 0) 30468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->ext_reg = 1; 30478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Wait for response from an " 30488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "external Registrar"); 30498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_PENDING; 30508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 30528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No more registrars available - " 30548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "terminate negotiation"); 30558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 30598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_wsc_nack(struct wps_data *wps, 30628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg) 30638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 30648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 30658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int old_state; 30668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 config_error; 30678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received WSC_NACK"); 30698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt old_state = wps->state; 30718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 30728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0) 30748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.msg_type == NULL) { 30778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute"); 30788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*attr.msg_type != WPS_WSC_NACK) { 30828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalid Message Type %d", 30838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.msg_type); 30848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 30888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && wps->ext_reg) { 30898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Negotiation using external " 30908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Registrar terminated by the Enrollee"); 30918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 30948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.registrar_nonce == NULL || 309661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_r, attr.registrar_nonce, WPS_NONCE_LEN) != 0) 30978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 30988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in registrar nonce"); 30998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.enrollee_nonce == NULL || 310361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_e, attr.enrollee_nonce, WPS_NONCE_LEN) != 0) { 31048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in enrollee nonce"); 31058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.config_error == NULL) { 31098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Configuration Error attribute " 31108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "in WSC_NACK"); 31118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt config_error = WPA_GET_BE16(attr.config_error); 31158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee terminated negotiation with " 31168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Configuration Error %d", config_error); 31178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (old_state) { 31198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case RECV_M3: 31208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M2, config_error, 3121b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 31228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 31238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case RECV_M5: 31248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M4, config_error, 3125b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 31268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 31278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case RECV_M7: 31288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M6, config_error, 3129b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 31308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 31318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case RECV_DONE: 31328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M8, config_error, 3133b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 31348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 31358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 31368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 31378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 31418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_wsc_done(struct wps_data *wps, 31448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg) 31458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 31468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 31478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received WSC_Done"); 31498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state != RECV_DONE && 31518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (!wps->wps->wps_upnp || !wps->ext_reg)) { 31528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for " 31538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "receiving WSC_Done", wps->state); 31548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0) 31588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.msg_type == NULL) { 31618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute"); 31628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*attr.msg_type != WPS_WSC_DONE) { 31668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalid Message Type %d", 31678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.msg_type); 31688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 31728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && wps->ext_reg) { 31738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Negotiation using external " 31748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Registrar completed successfully"); 31758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_device_store(wps->wps->registrar, &wps->peer_dev, 31768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->uuid_e); 31778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_DONE; 31788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 31808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.registrar_nonce == NULL || 318261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_r, attr.registrar_nonce, WPS_NONCE_LEN) != 0) 31838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 31848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in registrar nonce"); 31858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.enrollee_nonce == NULL || 318961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_e, attr.enrollee_nonce, WPS_NONCE_LEN) != 0) { 31908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in enrollee nonce"); 31918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Negotiation completed successfully"); 31958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_device_store(wps->wps->registrar, &wps->peer_dev, 31968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->uuid_e); 31978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_state == WPS_STATE_NOT_CONFIGURED && wps->new_psk && 31998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->ap && !wps->wps->registrar->disable_auto_conf) { 32008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_credential cred; 32018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Moving to Configured state based " 32038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "on first Enrollee connection"); 32048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(&cred, 0, sizeof(cred)); 32068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(cred.ssid, wps->wps->ssid, wps->wps->ssid_len); 32078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred.ssid_len = wps->wps->ssid_len; 32088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred.auth_type = WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK; 32098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred.encr_type = WPS_ENCR_TKIP | WPS_ENCR_AES; 32108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(cred.key, wps->new_psk, wps->new_psk_len); 32118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred.key_len = wps->new_psk_len; 32128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->wps_state = WPS_STATE_CONFIGURED; 32148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_ascii_key(MSG_DEBUG, 32158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "WPS: Generated random passphrase", 32168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk, wps->new_psk_len); 32178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->cred_cb) 32188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->cred_cb(wps->wps->cb_ctx, &cred); 32198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wps->new_psk); 32218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk = NULL; 32228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 32238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!wps->wps->ap && !wps->er) 32258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_sta_cred_cb(wps); 32268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->new_psk) { 32288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_cb_new_psk(wps->wps->registrar, wps->mac_addr_e, 3229391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt wps->p2p_dev_addr, wps->new_psk, 3230391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt wps->new_psk_len)) { 32318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Failed to configure the " 32328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "new PSK"); 32338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 32348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wps->new_psk); 32358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk = NULL; 32368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 32378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 323804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_cb_reg_success(wps->wps->registrar, wps->mac_addr_e, wps->uuid_e, 323904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps->dev_password, wps->dev_password_len); 32408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->pbc) { 32428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_pbc_session(wps->wps->registrar, 32431f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->uuid_e, 32441f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->p2p_dev_addr); 32458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pbc_completed(wps->wps->registrar); 3246fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#ifdef WPS_WORKAROUNDS 3247fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt os_get_reltime(&wps->wps->registrar->pbc_ignore_start); 3248fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt#endif /* WPS_WORKAROUNDS */ 3249d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt os_memcpy(wps->wps->registrar->pbc_ignore_uuid, wps->uuid_e, 3250d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt WPS_UUID_LEN); 32518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 32528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pin_completed(wps->wps->registrar); 32538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 32548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: maintain AuthorizedMACs somewhere separately for each ER and 32558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * merge them into APs own list.. */ 32568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3257b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps_success_event(wps->wps, wps->mac_addr_e); 32588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_DONE; 32608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 32618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtenum wps_process_res wps_registrar_process_msg(struct wps_data *wps, 32648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum wsc_op_code op_code, 32658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg) 32668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 32678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum wps_process_res ret; 32688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Processing received message (len=%lu " 32708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "op_code=%d)", 32718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) wpabuf_len(msg), op_code); 32728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 32748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && op_code == WSC_MSG && wps->ext_reg == 1) { 32758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 32768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) == 0 && attr.msg_type && 32778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.msg_type == WPS_M3) 32788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->ext_reg = 2; /* past M2/M2D phase */ 32798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 32808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ext_reg > 1) 32818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_free_pending_m2(wps->wps); 32828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && wps->ext_reg && 32838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->upnp_msgs == NULL && 32848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (op_code == WSC_MSG || op_code == WSC_Done || op_code == WSC_NACK)) 32858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 32868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 32878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int type; 32888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0 || attr.msg_type == NULL) 32898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt type = -1; 32908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 32918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt type = *attr.msg_type; 32928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Sending received message (type %d)" 32938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt " to external Registrar for processing", type); 32948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt upnp_wps_device_send_wlan_event(wps->wps->wps_upnp, 32958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->mac_addr_e, 32968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt UPNP_WPS_WLANEVENT_TYPE_EAP, 32978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg); 32988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (op_code == WSC_MSG) 32998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_PENDING; 33008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (wps->wps->wps_upnp && wps->ext_reg && op_code == WSC_MSG) { 33018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Skip internal processing - using " 33028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "external Registrar"); 33038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 33048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 33058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 33068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (op_code) { 33088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WSC_MSG: 33098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_process_wsc_msg(wps, msg); 33108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WSC_ACK: 33118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_wsc_ack(msg) < 0) 33128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 33138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_process_wsc_ack(wps, msg); 33148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WSC_NACK: 33158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_wsc_nack(msg) < 0) 33168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 33178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_process_wsc_nack(wps, msg); 33188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WSC_Done: 33198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_wsc_done(msg) < 0) 33208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 33218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wps_process_wsc_done(wps, msg); 33228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret == WPS_FAILURE) { 33238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 33248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_WSC_DONE, 33258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error, 3326b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 33278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 33288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ret; 33298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 33308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unsupported op_code %d", op_code); 33318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 33328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 33338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 33348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_update_ie(struct wps_registrar *reg) 33378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 33388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_set_ie(reg); 33398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 33408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_set_selected_timeout(void *eloop_ctx, 33438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *timeout_ctx) 33448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 33458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar *reg = eloop_ctx; 33468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Selected Registrar timeout - " 33488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "unselect internal Registrar"); 33498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar = 0; 33508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc = 0; 33514b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 33528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 33538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 33568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_sel_reg_add(struct wps_registrar *reg, 33578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct subscription *s) 33588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 33598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i, j; 33608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: External Registrar selected (dev_pw_id=%d " 33618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "config_methods=0x%x)", 33628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt s->dev_password_id, s->config_methods); 33638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_union = 1; 33648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->sel_reg_dev_password_id_override != DEV_PW_PUSHBUTTON) 33658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_dev_password_id_override = s->dev_password_id; 33668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->sel_reg_config_methods_override == -1) 33678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_config_methods_override = 0; 33688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_config_methods_override |= s->config_methods; 33698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < WPS_MAX_AUTHORIZED_MACS; i++) 33708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (is_zero_ether_addr(reg->authorized_macs_union[i])) 33718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 33728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (j = 0; i < WPS_MAX_AUTHORIZED_MACS && j < WPS_MAX_AUTHORIZED_MACS; 33738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt j++) { 33748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (is_zero_ether_addr(s->authorized_macs[j])) 33758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 33768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Add authorized MAC into union: " 33778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MACSTR, MAC2STR(s->authorized_macs[j])); 33788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(reg->authorized_macs_union[i], 33798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt s->authorized_macs[j], ETH_ALEN); 33808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt i++; 33818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 33828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Authorized MACs union", 33838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) reg->authorized_macs_union, 33848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(reg->authorized_macs_union)); 33858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 33868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 33878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_sel_reg_union(struct wps_registrar *reg) 33908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 33918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 33928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct subscription *s; 33938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->wps->wps_upnp == NULL) 33958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 33968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each(s, ®->wps->wps_upnp->subscriptions, 33988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct subscription, list) { 33998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct subscr_addr *sa; 34008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sa = dl_list_first(&s->addr_list, struct subscr_addr, list); 34018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sa) { 34028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: External Registrar %s:%d", 34038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt inet_ntoa(sa->saddr.sin_addr), 34048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ntohs(sa->saddr.sin_port)); 34058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 34068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (s->selected_registrar) 34078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_sel_reg_add(reg, s); 34088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 34098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: External Registrar not " 34108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "selected"); 34118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 34128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 34138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 34148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 34178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_selected_registrar_changed - SetSelectedRegistrar change 34188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 34198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 34208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called when selected registrar state changes, e.g., when an 34218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * AP receives a SetSelectedRegistrar UPnP message. 34228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 34234b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidtvoid wps_registrar_selected_registrar_changed(struct wps_registrar *reg, 34244b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt u16 dev_pw_id) 34258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 34268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Selected registrar information changed"); 34278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_union = reg->selected_registrar; 34298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_dev_password_id_override = -1; 34308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_config_methods_override = -1; 34318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(reg->authorized_macs_union, reg->authorized_macs, 34328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_MAX_AUTHORIZED_MACS * ETH_ALEN); 34338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Authorized MACs union (start with own)", 34348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) reg->authorized_macs_union, 34358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(reg->authorized_macs_union)); 34368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->selected_registrar) { 34378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 methods; 34388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods = reg->wps->config_methods & ~WPS_CONFIG_PUSHBUTTON; 34408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON | 34418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_CONFIG_PHY_PUSHBUTTON); 34428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->pbc) { 34438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_dev_password_id_override = 34448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt DEV_PW_PUSHBUTTON; 34458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_set_pushbutton(&methods, reg->wps->config_methods); 34464b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt } else if (dev_pw_id) 34474b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt reg->sel_reg_dev_password_id_override = dev_pw_id; 34488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Internal Registrar selected " 34498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "(pbc=%d)", reg->pbc); 34508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_config_methods_override = methods; 34518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else 34528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Internal Registrar not selected"); 34538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_sel_reg_union(reg); 34558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_set_ie(reg); 34578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_cb_set_sel_reg(reg); 34588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 34598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_get_info(struct wps_registrar *reg, const u8 *addr, 34628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *buf, size_t buflen) 34638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 34648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar_device *d; 34658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int len = 0, ret; 34668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char uuid[40]; 34678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char devtype[WPS_DEV_TYPE_BUFSIZE]; 34688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d = wps_device_get(reg, addr); 34708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (d == NULL) 34718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 34728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (uuid_bin2str(d->uuid, uuid, sizeof(uuid))) 34738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 34748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(buf + len, buflen - len, 34768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsUuid=%s\n" 34778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsPrimaryDeviceType=%s\n" 34788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsDeviceName=%s\n" 34798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsManufacturer=%s\n" 34808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsModelName=%s\n" 34818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsModelNumber=%s\n" 34828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsSerialNumber=%s\n", 34838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt uuid, 34848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_dev_type_bin2str(d->dev.pri_dev_type, devtype, 34858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(devtype)), 34868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d->dev.device_name ? d->dev.device_name : "", 34878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d->dev.manufacturer ? d->dev.manufacturer : "", 34888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d->dev.model_name ? d->dev.model_name : "", 34898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d->dev.model_number ? d->dev.model_number : "", 34908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d->dev.serial_number ? d->dev.serial_number : ""); 34918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || (size_t) ret >= buflen - len) 34928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 34938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len += ret; 34948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 34968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 34978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_config_ap(struct wps_registrar *reg, 35008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_credential *cred) 35018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3502fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: encr_type=0x%x", cred->encr_type); 35038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!(cred->encr_type & (WPS_ENCR_NONE | WPS_ENCR_TKIP | 35048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_ENCR_AES))) { 35058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cred->encr_type & WPS_ENCR_WEP) { 35068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "WPS: Reject new AP settings " 35078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "due to WEP configuration"); 35088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 35098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 35108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 35118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "WPS: Reject new AP settings due to " 35128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "invalid encr_type 0x%x", cred->encr_type); 35138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 35148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 35158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 35168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((cred->encr_type & (WPS_ENCR_TKIP | WPS_ENCR_AES)) == 35178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_ENCR_TKIP) { 35188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Upgrade encr_type TKIP -> " 35198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "TKIP+AES"); 35208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->encr_type |= WPS_ENCR_AES; 35218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 35228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 35238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) == 35248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_AUTH_WPAPSK) { 35258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Upgrade auth_type WPAPSK -> " 35268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "WPAPSK+WPA2PSK"); 35278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->auth_type |= WPS_AUTH_WPA2PSK; 35288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 35298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 35308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->wps->cred_cb) 35318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return reg->wps->cred_cb(reg->wps->cb_ctx, cred); 35328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 35338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 35348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 353504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 353604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 353704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#ifdef CONFIG_WPS_NFC 353804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 353904949598a23f501be6eec21697465fd46a28840aDmitry Shmidtint wps_registrar_add_nfc_pw_token(struct wps_registrar *reg, 354004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *pubkey_hash, u16 pw_id, 3541cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt const u8 *dev_pw, size_t dev_pw_len, 3542cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt int pk_hash_provided_oob) 354304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 354404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct wps_nfc_pw_token *token; 354504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 354604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (dev_pw_len > WPS_OOB_DEVICE_PASSWORD_LEN) 354704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return -1; 354804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 3549cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (pw_id == DEV_PW_NFC_CONNECTION_HANDOVER && 3550cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt (pubkey_hash == NULL || !pk_hash_provided_oob)) { 3551cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unexpected NFC Password Token " 3552cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt "addition - missing public key hash"); 3553cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt return -1; 3554cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt } 3555cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt 355604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_free_nfc_pw_tokens(®->nfc_pw_tokens, pw_id); 355704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 355804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt token = os_zalloc(sizeof(*token)); 355904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (token == NULL) 356004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return -1; 356104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 3562cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt token->peer_pk_hash_known = pubkey_hash != NULL; 3563cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (pubkey_hash) 3564cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt os_memcpy(token->pubkey_hash, pubkey_hash, 3565cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt WPS_OOB_PUBKEY_HASH_LEN); 356604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt token->pw_id = pw_id; 3567cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt token->pk_hash_provided_oob = pk_hash_provided_oob; 3568cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (dev_pw) { 3569cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpa_snprintf_hex_uppercase((char *) token->dev_pw, 3570cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt sizeof(token->dev_pw), 3571cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt dev_pw, dev_pw_len); 3572cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt token->dev_pw_len = dev_pw_len * 2; 3573cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt } 357404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 357504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dl_list_add(®->nfc_pw_tokens, &token->list); 357604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 357704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt reg->selected_registrar = 1; 357804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt reg->pbc = 0; 357904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_registrar_add_authorized_mac(reg, 358004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt (u8 *) "\xff\xff\xff\xff\xff\xff"); 35814b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, pw_id); 358204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL); 358304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt eloop_register_timeout(WPS_PBC_WALK_TIME, 0, 358404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_registrar_set_selected_timeout, 358504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt reg, NULL); 358604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 35874b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Added NFC Device Password %u to Registrar", 35884b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt pw_id); 35894b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt 359004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return 0; 359104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 359204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 359304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 359404949598a23f501be6eec21697465fd46a28840aDmitry Shmidtint wps_registrar_add_nfc_password_token(struct wps_registrar *reg, 359504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *oob_dev_pw, 359604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t oob_dev_pw_len) 359704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 359804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *pos, *hash, *dev_pw; 359904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt u16 id; 360004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t dev_pw_len; 360104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 3602cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (oob_dev_pw_len < WPS_OOB_PUBKEY_HASH_LEN + 2 || 360304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt oob_dev_pw_len > WPS_OOB_PUBKEY_HASH_LEN + 2 + 360404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt WPS_OOB_DEVICE_PASSWORD_LEN) 360504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return -1; 360604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 360704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt hash = oob_dev_pw; 360804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt pos = oob_dev_pw + WPS_OOB_PUBKEY_HASH_LEN; 360904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt id = WPA_GET_BE16(pos); 361004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dev_pw = pos + 2; 361104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dev_pw_len = oob_dev_pw + oob_dev_pw_len - dev_pw; 361204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 361304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Add NFC Password Token for Password ID %u", 361404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt id); 361504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 361604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Public Key Hash", 361704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt hash, WPS_OOB_PUBKEY_HASH_LEN); 361804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: Device Password", dev_pw, dev_pw_len); 361904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 362004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return wps_registrar_add_nfc_pw_token(reg, hash, id, dev_pw, 3621cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt dev_pw_len, 0); 362204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 362304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 362404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 362504949598a23f501be6eec21697465fd46a28840aDmitry Shmidtvoid wps_registrar_remove_nfc_pw_token(struct wps_registrar *reg, 362604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct wps_nfc_pw_token *token) 362704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 362804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_registrar_remove_authorized_mac(reg, 362904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt (u8 *) "\xff\xff\xff\xff\xff\xff"); 36304b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 3631cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt 3632cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt /* 3633cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt * Free the NFC password token if it was used only for a single protocol 3634cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt * run. The static handover case uses the same password token multiple 3635cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt * times, so do not free that case here. 3636cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt */ 3637cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (token->peer_pk_hash_known) 3638cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt os_free(token); 363904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 364004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 364104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#endif /* CONFIG_WPS_NFC */ 3642