wps_registrar.c revision 391c59f0632df8db1c325da1d31d479b2eedce45
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]; 3404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt u16 pw_id; 3533e38bfa7159cef089d6ee0d904778e184c72c47Dmitry Shmidt u8 dev_pw[WPS_OOB_DEVICE_PASSWORD_LEN * 2 + 1]; 3604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t dev_pw_len; 3704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt}; 3804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 3904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 4004949598a23f501be6eec21697465fd46a28840aDmitry Shmidtstatic void wps_remove_nfc_pw_token(struct wps_nfc_pw_token *token) 4104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 4204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dl_list_del(&token->list); 4304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt os_free(token); 4404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 4504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 4604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 4704949598a23f501be6eec21697465fd46a28840aDmitry Shmidtstatic void wps_free_nfc_pw_tokens(struct dl_list *tokens, u16 pw_id) 4804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 4904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct wps_nfc_pw_token *token, *prev; 5004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dl_list_for_each_safe(token, prev, tokens, struct wps_nfc_pw_token, 5104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt list) { 5204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (pw_id == 0 || pw_id == token->pw_id) 5304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_remove_nfc_pw_token(token); 5404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 5504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 5604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 5704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 5804949598a23f501be6eec21697465fd46a28840aDmitry Shmidtstatic struct wps_nfc_pw_token * wps_get_nfc_pw_token(struct dl_list *tokens, 5904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt u16 pw_id) 6004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 6104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct wps_nfc_pw_token *token; 6204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dl_list_for_each(token, tokens, struct wps_nfc_pw_token, list) { 6304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (pw_id == token->pw_id) 6404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return token; 6504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 6604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return NULL; 6704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 6804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 6904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#else /* CONFIG_WPS_NFC */ 7004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 7104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#define wps_free_nfc_pw_tokens(t, p) do { } while (0) 7204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 7304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#endif /* CONFIG_WPS_NFC */ 7404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 7504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wps_uuid_pin { 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct dl_list list; 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 uuid[WPS_UUID_LEN]; 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int wildcard_uuid; 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *pin; 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t pin_len; 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define PIN_LOCKED BIT(0) 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define PIN_EXPIRES BIT(1) 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int flags; 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct os_time expiration; 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 enrollee_addr[ETH_ALEN]; 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_free_pin(struct wps_uuid_pin *pin) 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(pin->pin); 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(pin); 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_remove_pin(struct wps_uuid_pin *pin) 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_del(&pin->list); 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_free_pin(pin); 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_free_pins(struct dl_list *pins) 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin, *prev; 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each_safe(pin, prev, pins, struct wps_uuid_pin, list) 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_remove_pin(pin); 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wps_pbc_session { 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_pbc_session *next; 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 addr[ETH_ALEN]; 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 uuid_e[WPS_UUID_LEN]; 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct os_time timestamp; 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_free_pbc_sessions(struct wps_pbc_session *pbc) 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_pbc_session *prev; 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (pbc) { 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = pbc; 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = pbc->next; 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(prev); 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wps_registrar_device { 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar_device *next; 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_device_data dev; 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 uuid[WPS_UUID_LEN]; 1368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wps_registrar { 1408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_context *wps; 1418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int pbc; 1438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int selected_registrar; 1448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 145391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt int (*new_psk_cb)(void *ctx, const u8 *mac_addr, const u8 *p2p_dev_addr, 146391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt const u8 *psk, size_t psk_len); 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int (*set_ie_cb)(void *ctx, struct wpabuf *beacon_ie, 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *probe_resp_ie); 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void (*pin_needed_cb)(void *ctx, const u8 *uuid_e, 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_device_data *dev); 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void (*reg_success_cb)(void *ctx, const u8 *mac_addr, 15204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *uuid_e, const u8 *dev_pw, 15304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t dev_pw_len); 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void (*set_sel_reg_cb)(void *ctx, int sel_reg, u16 dev_passwd_id, 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 sel_reg_config_methods); 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void (*enrollee_seen_cb)(void *ctx, const u8 *addr, const u8 *uuid_e, 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pri_dev_type, u16 config_methods, 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 dev_password_id, u8 request_type, 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *dev_name); 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *cb_ctx; 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct dl_list pins; 16304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct dl_list nfc_pw_tokens; 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_pbc_session *pbc_sessions; 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int skip_cred_build; 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *extra_cred; 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int disable_auto_conf; 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int sel_reg_union; 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int sel_reg_dev_password_id_override; 1718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int sel_reg_config_methods_override; 1728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int static_wep_only; 1738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int dualband; 174391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt int force_per_enrollee_psk; 1758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar_device *devices; 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int force_pbc_overlap; 1798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 authorized_macs[WPS_MAX_AUTHORIZED_MACS][ETH_ALEN]; 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 authorized_macs_union[WPS_MAX_AUTHORIZED_MACS][ETH_ALEN]; 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 p2p_dev_addr[ETH_ALEN]; 184d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 185d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt u8 pbc_ignore_uuid[WPS_UUID_LEN]; 186d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt struct os_time pbc_ignore_start; 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_set_ie(struct wps_registrar *reg); 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_pbc_timeout(void *eloop_ctx, void *timeout_ctx); 1928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_set_selected_timeout(void *eloop_ctx, 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *timeout_ctx); 194d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidtstatic void wps_registrar_remove_pin(struct wps_registrar *reg, 195d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt struct wps_uuid_pin *pin); 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_add_authorized_mac(struct wps_registrar *reg, 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr) 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Add authorized MAC " MACSTR, 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(addr)); 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < WPS_MAX_AUTHORIZED_MACS; i++) 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(reg->authorized_macs[i], addr, ETH_ALEN) == 0) { 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Authorized MAC was " 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "already in the list"); 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; /* already in list */ 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = WPS_MAX_AUTHORIZED_MACS - 1; i > 0; i--) 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(reg->authorized_macs[i], reg->authorized_macs[i - 1], 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ETH_ALEN); 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(reg->authorized_macs[0], addr, ETH_ALEN); 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Authorized MACs", 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) reg->authorized_macs, sizeof(reg->authorized_macs)); 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_remove_authorized_mac(struct wps_registrar *reg, 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr) 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Remove authorized MAC " MACSTR, 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(addr)); 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < WPS_MAX_AUTHORIZED_MACS; i++) { 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(reg->authorized_macs, addr, ETH_ALEN) == 0) 2278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (i == WPS_MAX_AUTHORIZED_MACS) { 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Authorized MAC was not in the " 2318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "list"); 2328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; /* not in the list */ 2338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (; i + 1 < WPS_MAX_AUTHORIZED_MACS; i++) 2358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(reg->authorized_macs[i], reg->authorized_macs[i + 1], 2368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ETH_ALEN); 2378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(reg->authorized_macs[WPS_MAX_AUTHORIZED_MACS - 1], 0, 2388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ETH_ALEN); 2398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Authorized MACs", 2408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) reg->authorized_macs, sizeof(reg->authorized_macs)); 2418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_free_devices(struct wps_registrar_device *dev) 2458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar_device *prev; 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (dev) { 2498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = dev; 2508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dev = dev->next; 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_device_data_free(&prev->dev); 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(prev); 2538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wps_registrar_device * wps_device_get(struct wps_registrar *reg, 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr) 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar_device *dev; 2618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (dev = reg->devices; dev; dev = dev->next) { 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(dev->dev.mac_addr, addr, ETH_ALEN) == 0) 2648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return dev; 2658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 2678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_device_clone_data(struct wps_device_data *dst, 2718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_device_data *src) 2728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dst->mac_addr, src->mac_addr, ETH_ALEN); 2748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dst->pri_dev_type, src->pri_dev_type, WPS_DEV_TYPE_LEN); 2758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WPS_STRDUP(n) \ 2778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(dst->n); \ 2788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dst->n = src->n ? os_strdup(src->n) : NULL 2798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_STRDUP(device_name); 2818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_STRDUP(manufacturer); 2828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_STRDUP(model_name); 2838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_STRDUP(model_number); 2848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_STRDUP(serial_number); 2858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#undef WPS_STRDUP 2868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_device_store(struct wps_registrar *reg, 2908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_device_data *dev, const u8 *uuid) 2918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar_device *d; 2938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d = wps_device_get(reg, dev->mac_addr); 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (d == NULL) { 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d = os_zalloc(sizeof(*d)); 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (d == NULL) 2988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 2998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d->next = reg->devices; 3008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->devices = d; 3018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_device_clone_data(&d->dev, dev); 3048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(d->uuid, uuid, WPS_UUID_LEN); 3058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 3078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_add_pbc_session(struct wps_registrar *reg, 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr, const u8 *uuid_e) 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_pbc_session *pbc, *prev = NULL; 3148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct os_time now; 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_get_time(&now); 3178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = reg->pbc_sessions; 3198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (pbc) { 3208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(pbc->addr, addr, ETH_ALEN) == 0 && 3218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(pbc->uuid_e, uuid_e, WPS_UUID_LEN) == 0) { 3228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (prev) 3238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev->next = pbc->next; 3248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 3258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc_sessions = pbc->next; 3268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = pbc; 3298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = pbc->next; 3308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!pbc) { 3338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = os_zalloc(sizeof(*pbc)); 3348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pbc == NULL) 3358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pbc->addr, addr, ETH_ALEN); 3378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (uuid_e) 3388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pbc->uuid_e, uuid_e, WPS_UUID_LEN); 3398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc->next = reg->pbc_sessions; 3428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc_sessions = pbc; 3438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc->timestamp = now; 3448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* remove entries that have timed out */ 3468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = pbc; 3478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = pbc->next; 3488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (pbc) { 3508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (now.sec > pbc->timestamp.sec + WPS_PBC_WALK_TIME) { 3518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev->next = NULL; 3528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_free_pbc_sessions(pbc); 3538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = pbc; 3568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = pbc->next; 3578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_remove_pbc_session(struct wps_registrar *reg, 3621f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const u8 *uuid_e, 3631f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const u8 *p2p_dev_addr) 3648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_pbc_session *pbc, *prev = NULL, *tmp; 3668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = reg->pbc_sessions; 3688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (pbc) { 3691f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (os_memcmp(pbc->uuid_e, uuid_e, WPS_UUID_LEN) == 0 || 37098f9e76624da6bb96edc1982c423e4a119c5170aDmitry Shmidt#ifdef ANDROID_P2P 37198f9e76624da6bb96edc1982c423e4a119c5170aDmitry Shmidt (p2p_dev_addr && !is_zero_ether_addr(pbc->addr) && 37298f9e76624da6bb96edc1982c423e4a119c5170aDmitry Shmidt os_memcmp(pbc->addr, p2p_dev_addr, ETH_ALEN) == 37398f9e76624da6bb96edc1982c423e4a119c5170aDmitry Shmidt#else 3741f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt (p2p_dev_addr && !is_zero_ether_addr(reg->p2p_dev_addr) && 3751f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcmp(reg->p2p_dev_addr, p2p_dev_addr, ETH_ALEN) == 37698f9e76624da6bb96edc1982c423e4a119c5170aDmitry Shmidt#endif 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; 4038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct os_time now; 4048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_get_time(&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); 4218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (now.sec > pbc->timestamp.sec + WPS_PBC_WALK_TIME) { 4228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC walk time has " 4238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "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; 5418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS2 54204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if ((conf_methods & WPS_CONFIG_VIRT_PUSHBUTTON) == 54304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt WPS_CONFIG_VIRT_PUSHBUTTON) 5448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *methods |= WPS_CONFIG_VIRT_PUSHBUTTON; 54504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if ((conf_methods & WPS_CONFIG_PHY_PUSHBUTTON) == 54604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt WPS_CONFIG_PHY_PUSHBUTTON) 5478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *methods |= WPS_CONFIG_PHY_PUSHBUTTON; 54804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if ((*methods & WPS_CONFIG_VIRT_PUSHBUTTON) != 54904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt WPS_CONFIG_VIRT_PUSHBUTTON && 55004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt (*methods & WPS_CONFIG_PHY_PUSHBUTTON) != 55104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt WPS_CONFIG_PHY_PUSHBUTTON) { 5528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 5538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Required to include virtual/physical flag, but we were not 5548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * configured with push button type, so have to default to one 5558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * of them. 5568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 5578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *methods |= WPS_CONFIG_PHY_PUSHBUTTON; 5588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS2 */ 5608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_sel_reg_config_methods(struct wps_registrar *reg, 5648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg) 5658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 methods; 5678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!reg->sel_reg_union) 5688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 5698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods = reg->wps->config_methods; 5708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods &= ~WPS_CONFIG_PUSHBUTTON; 5718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS2 5728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON | 5738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_CONFIG_PHY_PUSHBUTTON); 5748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS2 */ 5758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->pbc) 5768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_set_pushbutton(&methods, reg->wps->config_methods); 5778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->sel_reg_config_methods_override >= 0) 5788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods = reg->sel_reg_config_methods_override; 5798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Selected Registrar Config Methods (%x)", 5808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods); 5818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_SELECTED_REGISTRAR_CONFIG_METHODS); 5828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 2); 5838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, methods); 5848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 5858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_probe_config_methods(struct wps_registrar *reg, 5898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg) 5908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 methods; 5928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 5938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * These are the methods that the AP supports as an Enrollee for adding 5948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * external Registrars. 5958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 5968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods = reg->wps->config_methods & ~WPS_CONFIG_PUSHBUTTON; 5978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS2 5988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON | 5998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_CONFIG_PHY_PUSHBUTTON); 6008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS2 */ 6018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Config Methods (%x)", methods); 6028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_CONFIG_METHODS); 6038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 2); 6048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, methods); 6058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 6068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_config_methods_r(struct wps_registrar *reg, 6108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg) 6118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6121f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return wps_build_config_methods(msg, reg->wps->config_methods); 6138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtconst u8 * wps_authorized_macs(struct wps_registrar *reg, size_t *count) 6178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *count = 0; 6198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS2 6218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (*count < WPS_MAX_AUTHORIZED_MACS) { 6228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (is_zero_ether_addr(reg->authorized_macs_union[*count])) 6238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 6248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (*count)++; 6258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS2 */ 6278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return (const u8 *) reg->authorized_macs_union; 6298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 6338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_init - Initialize WPS Registrar data 6348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @wps: Pointer to longterm WPS context 6358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @cfg: Registrar configuration 6368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Pointer to allocated Registrar data or %NULL on failure 6378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 6388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is used to initialize WPS Registrar functionality. It can be 6398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * used for a single Registrar run (e.g., when run in a supplicant) or multiple 6408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * runs (e.g., when run as an internal Registrar in an AP). Caller is 6418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * responsible for freeing the returned data with wps_registrar_deinit() when 6428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Registrar functionality is not needed anymore. 6438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 6448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wps_registrar * 6458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtwps_registrar_init(struct wps_context *wps, 6468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_registrar_config *cfg) 6478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar *reg = os_zalloc(sizeof(*reg)); 6498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg == NULL) 6508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 6518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_init(®->pins); 65304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dl_list_init(®->nfc_pw_tokens); 6548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->wps = wps; 6558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->new_psk_cb = cfg->new_psk_cb; 6568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->set_ie_cb = cfg->set_ie_cb; 6578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pin_needed_cb = cfg->pin_needed_cb; 6588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->reg_success_cb = cfg->reg_success_cb; 6598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->set_sel_reg_cb = cfg->set_sel_reg_cb; 6608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->enrollee_seen_cb = cfg->enrollee_seen_cb; 6618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->cb_ctx = cfg->cb_ctx; 6628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->skip_cred_build = cfg->skip_cred_build; 6638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cfg->extra_cred) { 6648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->extra_cred = wpabuf_alloc_copy(cfg->extra_cred, 6658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cfg->extra_cred_len); 6668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->extra_cred == NULL) { 6678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(reg); 6688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 6698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->disable_auto_conf = cfg->disable_auto_conf; 6728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_dev_password_id_override = -1; 6738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_config_methods_override = -1; 6748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->static_wep_only = cfg->static_wep_only; 6758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->dualband = cfg->dualband; 676391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt reg->force_per_enrollee_psk = cfg->force_per_enrollee_psk; 6778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_set_ie(reg)) { 6798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_deinit(reg); 6808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 6818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return reg; 6848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 6888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_deinit - Deinitialize WPS Registrar data 6898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 6908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 6918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid wps_registrar_deinit(struct wps_registrar *reg) 6928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg == NULL) 6948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_pbc_timeout, reg, NULL); 6968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL); 6978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_free_pins(®->pins); 69804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_free_nfc_pw_tokens(®->nfc_pw_tokens, 0); 6998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_free_pbc_sessions(reg->pbc_sessions); 7008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(reg->extra_cred); 7018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_free_devices(reg->devices); 7028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(reg); 7038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 7048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 706d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidtstatic void wps_registrar_invalidate_unused(struct wps_registrar *reg) 707d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt{ 708d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt struct wps_uuid_pin *pin; 709d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 710d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt dl_list_for_each(pin, ®->pins, struct wps_uuid_pin, list) { 711d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt if (pin->wildcard_uuid == 1 && !(pin->flags & PIN_LOCKED)) { 712d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalidate previously " 713d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt "configured wildcard PIN"); 714d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt wps_registrar_remove_pin(reg, pin); 715d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt break; 716d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt } 717d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt } 718d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt} 719d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 720d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 7218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 7228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_add_pin - Configure a new PIN for Registrar 7238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 7248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @addr: Enrollee MAC address or %NULL if not known 7258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @uuid: UUID-E or %NULL for wildcard (any UUID) 7268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @pin: PIN (Device Password) 7278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @pin_len: Length of pin in octets 7288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @timeout: Time (in seconds) when the PIN will be invalidated; 0 = no timeout 7298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 7308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 7318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_add_pin(struct wps_registrar *reg, const u8 *addr, 7328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *uuid, const u8 *pin, size_t pin_len, 7338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int timeout) 7348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 7358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *p; 7368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p = os_zalloc(sizeof(*p)); 7388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (p == NULL) 7398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 7408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (addr) 7418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(p->enrollee_addr, addr, ETH_ALEN); 7428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (uuid == NULL) 7438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p->wildcard_uuid = 1; 7448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 7458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(p->uuid, uuid, WPS_UUID_LEN); 7468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p->pin = os_malloc(pin_len); 7478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (p->pin == NULL) { 7488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(p); 7498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 7508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(p->pin, pin, pin_len); 7528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p->pin_len = pin_len; 7538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (timeout) { 7558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p->flags |= PIN_EXPIRES; 7568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_get_time(&p->expiration); 7578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p->expiration.sec += timeout; 7588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 760d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt if (p->wildcard_uuid) 761d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt wps_registrar_invalidate_unused(reg); 762d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 7638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_add(®->pins, &p->list); 7648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: A new PIN configured (timeout=%d)", 7668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt timeout); 7678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: UUID", uuid, WPS_UUID_LEN); 7688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_ascii_key(MSG_DEBUG, "WPS: PIN", pin, pin_len); 7698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar = 1; 7708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc = 0; 7718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (addr) 7728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_add_authorized_mac(reg, addr); 7738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 7748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_add_authorized_mac( 7758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg, (u8 *) "\xff\xff\xff\xff\xff\xff"); 7764b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 7778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL); 7788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(WPS_PBC_WALK_TIME, 0, 7798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_set_selected_timeout, 7808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg, NULL); 7818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 7838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 7848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_remove_pin(struct wps_registrar *reg, 7878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin) 7888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 7898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *addr; 7908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 bcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 7918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (is_zero_ether_addr(pin->enrollee_addr)) 7938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr = bcast; 7948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 7958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr = pin->enrollee_addr; 7968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_authorized_mac(reg, addr); 7978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_remove_pin(pin); 7984b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 7998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_expire_pins(struct wps_registrar *reg) 8038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin, *prev; 8058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct os_time now; 8068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_get_time(&now); 8088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each_safe(pin, prev, ®->pins, struct wps_uuid_pin, list) 8098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 8108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((pin->flags & PIN_EXPIRES) && 8118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_time_before(&pin->expiration, &now)) { 8128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Expired PIN for UUID", 8138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin->uuid, WPS_UUID_LEN); 8148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_pin(reg, pin); 8158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 8218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_invalidate_wildcard_pin - Invalidate a wildcard PIN 8228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 82304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt * @dev_pw: PIN to search for or %NULL to match any 82404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt * @dev_pw_len: Length of dev_pw in octets 8258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 if not wildcard PIN is enabled 8268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 82704949598a23f501be6eec21697465fd46a28840aDmitry Shmidtstatic int wps_registrar_invalidate_wildcard_pin(struct wps_registrar *reg, 82804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *dev_pw, 82904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t dev_pw_len) 8308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin, *prev; 8328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each_safe(pin, prev, ®->pins, struct wps_uuid_pin, list) 8348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 83504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (dev_pw && pin->pin && 83604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt (dev_pw_len != pin->pin_len || 83704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt os_memcmp(dev_pw, pin->pin, dev_pw_len) != 0)) 83804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt continue; /* different PIN */ 8398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pin->wildcard_uuid) { 8408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Invalidated PIN for UUID", 8418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin->uuid, WPS_UUID_LEN); 8428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_pin(reg, pin); 8438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 8448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 8488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 8528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_invalidate_pin - Invalidate a PIN for a specific UUID-E 8538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 8548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @uuid: UUID-E 8558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure (e.g., PIN not found) 8568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 8578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_invalidate_pin(struct wps_registrar *reg, const u8 *uuid) 8588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin, *prev; 8608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each_safe(pin, prev, ®->pins, struct wps_uuid_pin, list) 8628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 8638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(pin->uuid, uuid, WPS_UUID_LEN) == 0) { 8648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Invalidated PIN for UUID", 8658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin->uuid, WPS_UUID_LEN); 8668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_pin(reg, pin); 8678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 8688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 8728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const u8 * wps_registrar_get_pin(struct wps_registrar *reg, 8768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *uuid, size_t *pin_len) 8778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin, *found = NULL; 8798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_expire_pins(reg); 8818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each(pin, ®->pins, struct wps_uuid_pin, list) { 8838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!pin->wildcard_uuid && 8848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(pin->uuid, uuid, WPS_UUID_LEN) == 0) { 8858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt found = pin; 8868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 8878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!found) { 8918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Check for wildcard UUIDs since none of the UUID-specific 8928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * PINs matched */ 8938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each(pin, ®->pins, struct wps_uuid_pin, list) { 894c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt if (pin->wildcard_uuid == 1 || 895c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt pin->wildcard_uuid == 2) { 8968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Found a wildcard " 8978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "PIN. Assigned it for this UUID-E"); 898c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt pin->wildcard_uuid++; 8998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pin->uuid, uuid, WPS_UUID_LEN); 9008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt found = pin; 9018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 9028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!found) 9078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 9088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 9108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Lock the PIN to avoid attacks based on concurrent re-use of the PIN 9118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * that could otherwise avoid PIN invalidations. 9128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 9138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (found->flags & PIN_LOCKED) { 9148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Selected PIN locked - do not " 9158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "allow concurrent re-use"); 9168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 9178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pin_len = found->pin_len; 9198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt found->flags |= PIN_LOCKED; 9208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return found->pin; 9218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 9258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_unlock_pin - Unlock a PIN for a specific UUID-E 9268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 9278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @uuid: UUID-E 9288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 9298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 9308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * PINs are locked to enforce only one concurrent use. This function unlocks a 9318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * PIN to allow it to be used again. If the specified PIN was configured using 9328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * a wildcard UUID, it will be removed instead of allowing multiple uses. 9338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 9348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_unlock_pin(struct wps_registrar *reg, const u8 *uuid) 9358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin; 9378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each(pin, ®->pins, struct wps_uuid_pin, list) { 9398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(pin->uuid, uuid, WPS_UUID_LEN) == 0) { 940c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt if (pin->wildcard_uuid == 3) { 9418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalidating used " 9428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wildcard PIN"); 9438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_registrar_invalidate_pin(reg, uuid); 9448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin->flags &= ~PIN_LOCKED; 9468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 9478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 9518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_stop_pbc(struct wps_registrar *reg) 9558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar = 0; 9578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc = 0; 9588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(reg->p2p_dev_addr, 0, ETH_ALEN); 9598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_authorized_mac(reg, 9608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) "\xff\xff\xff\xff\xff\xff"); 9614b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 9628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_pbc_timeout(void *eloop_ctx, void *timeout_ctx) 9668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar *reg = eloop_ctx; 9688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC timed out - disable PBC mode"); 9708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_pbc_timeout_event(reg->wps); 9718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_stop_pbc(reg); 9728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 9768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_button_pushed - Notify Registrar that AP button was pushed 9778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 9788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @p2p_dev_addr: Limit allowed PBC devices to the specified P2P device, %NULL 9798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * indicates no such filtering 9808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure, -2 on session overlap 9818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 9828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called on an AP when a push button is pushed to activate 9838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * PBC mode. The PBC mode will be stopped after walk time (2 minutes) timeout 9848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * or when a PBC registration is completed. If more than one Enrollee in active 9858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * PBC mode has been detected during the monitor time (previous 2 minutes), the 9861f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * PBC mode is not activated and -2 is returned to indicate session overlap. 9871f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * This is skipped if a specific Enrollee is selected. 9888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 9898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_button_pushed(struct wps_registrar *reg, 9908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *p2p_dev_addr) 9918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (p2p_dev_addr == NULL && 9938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pbc_overlap(reg, NULL, NULL)) { 9948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC overlap - do not start PBC " 9958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "mode"); 9968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_pbc_overlap_event(reg->wps); 9978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -2; 9988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Button pushed - PBC mode started"); 10008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->force_pbc_overlap = 0; 10018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar = 1; 10028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc = 1; 10038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (p2p_dev_addr) 10048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(reg->p2p_dev_addr, p2p_dev_addr, ETH_ALEN); 10058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 10068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(reg->p2p_dev_addr, 0, ETH_ALEN); 10078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_add_authorized_mac(reg, 10088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) "\xff\xff\xff\xff\xff\xff"); 10094b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 10108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1011b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps_pbc_active_event(reg->wps); 10128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL); 10138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_pbc_timeout, reg, NULL); 10148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wps_registrar_pbc_timeout, 10158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg, NULL); 10168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 10178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_pbc_completed(struct wps_registrar *reg) 10218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC completed - stopping PBC mode"); 10238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_pbc_timeout, reg, NULL); 10248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_stop_pbc(reg); 1025b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps_pbc_disable_event(reg->wps); 10268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_pin_completed(struct wps_registrar *reg) 10308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PIN completed using internal Registrar"); 10328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL); 10338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar = 0; 10344b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 10358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 103804949598a23f501be6eec21697465fd46a28840aDmitry Shmidtvoid wps_registrar_complete(struct wps_registrar *registrar, const u8 *uuid_e, 103904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *dev_pw, size_t dev_pw_len) 10401f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 10411f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (registrar->pbc) { 10421f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps_registrar_remove_pbc_session(registrar, 10431f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt uuid_e, NULL); 10441f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps_registrar_pbc_completed(registrar); 1045d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt os_get_time(®istrar->pbc_ignore_start); 1046d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt os_memcpy(registrar->pbc_ignore_uuid, uuid_e, WPS_UUID_LEN); 10471f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } else { 10481f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps_registrar_pin_completed(registrar); 10491f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 105004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 105104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (dev_pw && 105204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_registrar_invalidate_wildcard_pin(registrar, dev_pw, 105304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dev_pw_len) == 0) { 105404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: Invalidated wildcard PIN", 105504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dev_pw, dev_pw_len); 105604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 10571f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 10581f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 10591f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 10608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_wps_cancel(struct wps_registrar *reg) 10618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->pbc) { 10638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC is set - cancelling it"); 10648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pbc_timeout(reg, NULL); 1065c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt eloop_cancel_timeout(wps_registrar_pbc_timeout, reg, NULL); 10668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 10678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (reg->selected_registrar) { 10688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* PIN Method */ 10698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PIN is set - cancelling it"); 10708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pin_completed(reg); 107104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_registrar_invalidate_wildcard_pin(reg, NULL, 0); 10728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 10738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 10758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 10798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_probe_req_rx - Notify Registrar of Probe Request 10808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 10818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @addr: MAC address of the Probe Request sender 10828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @wps_data: WPS IE contents 10838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 10848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called on an AP when a Probe Request with WPS IE is 10858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * received. This is used to track PBC mode use and to detect possible overlap 10868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * situation with other WPS APs. 10878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 10888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid wps_registrar_probe_req_rx(struct wps_registrar *reg, const u8 *addr, 10898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *wps_data, 10908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int p2p_wildcard) 10918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 1093d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt int skip_add = 0; 10948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_buf(MSG_MSGDUMP, 10968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "WPS: Probe Request with WPS data received", 10978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_data); 10988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(wps_data, &attr) < 0) 11008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.config_methods == NULL) { 11038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Config Methods attribute in " 11048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Probe Request"); 11058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.dev_password_id == NULL) { 11098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Device Password Id attribute " 11108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "in Probe Request"); 11118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->enrollee_seen_cb && attr.uuid_e && 11158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr.primary_dev_type && attr.request_type && !p2p_wildcard) { 11168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *dev_name = NULL; 11178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.dev_name) { 11188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dev_name = os_zalloc(attr.dev_name_len + 1); 11198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (dev_name) { 11208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dev_name, attr.dev_name, 11218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr.dev_name_len); 11228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->enrollee_seen_cb(reg->cb_ctx, addr, attr.uuid_e, 11258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr.primary_dev_type, 11268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_GET_BE16(attr.config_methods), 11278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_GET_BE16(attr.dev_password_id), 11288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.request_type, dev_name); 11298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(dev_name); 11308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (WPA_GET_BE16(attr.dev_password_id) != DEV_PW_PUSHBUTTON) 11338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; /* Not PBC */ 11348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Probe Request for PBC received from " 11368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MACSTR, MAC2STR(addr)); 11378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.uuid_e == NULL) { 11388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalid Probe Request WPS IE: No " 11398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "UUID-E included"); 11408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: UUID-E from Probe Request", attr.uuid_e, 11438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_UUID_LEN); 11448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1145d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt#ifdef WPS_WORKAROUNDS 1146d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt if (reg->pbc_ignore_start.sec && 1147d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt os_memcmp(attr.uuid_e, reg->pbc_ignore_uuid, WPS_UUID_LEN) == 0) { 1148d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt struct os_time now, dur; 1149d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt os_get_time(&now); 1150d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt os_time_sub(&now, ®->pbc_ignore_start, &dur); 1151d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt if (dur.sec >= 0 && dur.sec < 5) { 1152d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Ignore PBC activation " 1153d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt "based on Probe Request from the Enrollee " 1154d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt "that just completed PBC provisioning"); 1155d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt skip_add = 1; 1156d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt } else 1157d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt reg->pbc_ignore_start.sec = 0; 1158d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt } 1159d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt#endif /* WPS_WORKAROUNDS */ 1160d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 1161d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt if (!skip_add) 1162d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt wps_registrar_add_pbc_session(reg, addr, attr.uuid_e); 11638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_registrar_pbc_overlap(reg, addr, attr.uuid_e)) { 11648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC session overlap detected"); 11658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->force_pbc_overlap = 1; 11668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_pbc_overlap_event(reg->wps); 11678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_cb_new_psk(struct wps_registrar *reg, const u8 *mac_addr, 1172391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt const u8 *p2p_dev_addr, const u8 *psk, size_t psk_len) 11738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 11748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->new_psk_cb == NULL) 11758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 11768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1177391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt return reg->new_psk_cb(reg->cb_ctx, mac_addr, p2p_dev_addr, psk, 1178391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt psk_len); 11798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_cb_pin_needed(struct wps_registrar *reg, const u8 *uuid_e, 11838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_device_data *dev) 11848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 11858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->pin_needed_cb == NULL) 11868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pin_needed_cb(reg->cb_ctx, uuid_e, dev); 11898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_cb_reg_success(struct wps_registrar *reg, const u8 *mac_addr, 119304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *uuid_e, const u8 *dev_pw, 119404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t dev_pw_len) 11958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 11968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->reg_success_cb == NULL) 11978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 119904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt reg->reg_success_cb(reg->cb_ctx, mac_addr, uuid_e, dev_pw, dev_pw_len); 12008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 12018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_cb_set_ie(struct wps_registrar *reg, struct wpabuf *beacon_ie, 12048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *probe_resp_ie) 12058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 12068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return reg->set_ie_cb(reg->cb_ctx, beacon_ie, probe_resp_ie); 12078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 12088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_cb_set_sel_reg(struct wps_registrar *reg) 12118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 12128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 methods = 0; 12138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->set_sel_reg_cb == NULL) 12148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 12158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->selected_registrar) { 12178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods = reg->wps->config_methods & ~WPS_CONFIG_PUSHBUTTON; 12188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS2 12198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON | 12208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_CONFIG_PHY_PUSHBUTTON); 12218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS2 */ 12228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->pbc) 12238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_set_pushbutton(&methods, reg->wps->config_methods); 12248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: wps_cb_set_sel_reg: sel_reg=%d " 12278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "config_methods=0x%x pbc=%d methods=0x%x", 12288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar, reg->wps->config_methods, 12298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc, methods); 12308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->set_sel_reg_cb(reg->cb_ctx, reg->selected_registrar, 12328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc ? DEV_PW_PUSHBUTTON : DEV_PW_DEFAULT, 12338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods); 12348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 12358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_set_ie(struct wps_registrar *reg) 12388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 12398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *beacon; 12408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *probe; 12418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *auth_macs; 12428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t count; 12438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t vendor_len = 0; 12448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 12458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->set_ie_cb == NULL) 12478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 12488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) { 12508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->wps->dev.vendor_ext[i]) { 12518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt vendor_len += 2 + 2; 12528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt vendor_len += wpabuf_len(reg->wps->dev.vendor_ext[i]); 12538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt beacon = wpabuf_alloc(400 + vendor_len); 12578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (beacon == NULL) 12588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 12598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt probe = wpabuf_alloc(500 + vendor_len); 12608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (probe == NULL) { 12618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(beacon); 12628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 12638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt auth_macs = wps_authorized_macs(reg, &count); 12668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Build Beacon IEs"); 12688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(beacon) || 12708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wps_state(reg->wps, beacon) || 12718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_ap_setup_locked(reg->wps, beacon) || 12728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_selected_registrar(reg, beacon) || 12738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_sel_reg_dev_password_id(reg, beacon) || 12748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_sel_reg_config_methods(reg, beacon) || 12758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_sel_pbc_reg_uuid_e(reg, beacon) || 1276b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt (reg->dualband && wps_build_rf_bands(®->wps->dev, beacon, 0)) || 12778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(beacon, 0, auth_macs, count) || 12788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_vendor_ext(®->wps->dev, beacon)) { 12798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(beacon); 12808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(probe); 12818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 12828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 12858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_dev_name(®->wps->dev, beacon) || 12868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_primary_dev_type(®->wps->dev, beacon)) { 12878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(beacon); 12888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(probe); 12898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 12908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 12928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Build Probe Response IEs"); 12948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(probe) || 12968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wps_state(reg->wps, probe) || 12978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_ap_setup_locked(reg->wps, probe) || 12988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_selected_registrar(reg, probe) || 12998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_sel_reg_dev_password_id(reg, probe) || 13008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_sel_reg_config_methods(reg, probe) || 13018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_resp_type(probe, reg->wps->ap ? WPS_RESP_AP : 13028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_RESP_REGISTRAR) || 13038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_uuid_e(probe, reg->wps->uuid) || 13048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_device_attrs(®->wps->dev, probe) || 13058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_probe_config_methods(reg, probe) || 1306b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt (reg->dualband && wps_build_rf_bands(®->wps->dev, probe, 0)) || 13078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(probe, 0, auth_macs, count) || 13088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_vendor_ext(®->wps->dev, probe)) { 13098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(beacon); 13108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(probe); 13118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 13128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt beacon = wps_ie_encapsulate(beacon); 13158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt probe = wps_ie_encapsulate(probe); 13168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!beacon || !probe) { 13188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(beacon); 13198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(probe); 13208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 13218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->static_wep_only) { 13248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 13258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Windows XP and Vista clients can get confused about 13268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * EAP-Identity/Request when they probe the network with 13278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * EAPOL-Start. In such a case, they may assume the network is 13288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * using IEEE 802.1X and prompt user for a certificate while 13298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the correct (non-WPS) behavior would be to ask for the 13308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * static WEP key. As a workaround, use Microsoft Provisioning 13318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * IE to advertise that legacy 802.1X is not supported. 13328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 13338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 ms_wps[7] = { 13348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WLAN_EID_VENDOR_SPECIFIC, 5, 13358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Microsoft Provisioning IE (00:50:f2:5) */ 13368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 0x00, 0x50, 0xf2, 5, 13378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 0x00 /* no legacy 802.1X or MS WPS */ 13388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt }; 13398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Add Microsoft Provisioning IE " 13408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "into Beacon/Probe Response frames"); 13418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(beacon, ms_wps, sizeof(ms_wps)); 13428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(probe, ms_wps, sizeof(ms_wps)); 13438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_cb_set_ie(reg, beacon, probe); 13468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 13478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_get_dev_password(struct wps_data *wps) 13508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 13518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pin; 13528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t pin_len = 0; 13538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wps->dev_password); 13558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_password = NULL; 13568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->pbc) { 13588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Use default PIN for PBC"); 13598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin = (const u8 *) "00000000"; 13608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin_len = 8; 136104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#ifdef CONFIG_WPS_NFC 136204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } else if (wps->nfc_pw_token) { 136304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Use OOB Device Password from NFC " 136404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt "Password Token"); 136504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt pin = wps->nfc_pw_token->dev_pw; 136604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt pin_len = wps->nfc_pw_token->dev_pw_len; 136704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#endif /* CONFIG_WPS_NFC */ 13688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 13698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin = wps_registrar_get_pin(wps->wps->registrar, wps->uuid_e, 13708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &pin_len); 1371f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt if (pin && wps->dev_pw_id >= 0x10) { 1372f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No match for OOB Device " 1373f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt "Password ID, but PIN found"); 1374f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt /* 1375f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt * See whether Enrollee is willing to use PIN instead. 1376f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt */ 1377f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt wps->dev_pw_id = DEV_PW_DEFAULT; 1378f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt } 13798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pin == NULL) { 13818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Device Password available for " 13828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "the Enrollee"); 13838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_cb_pin_needed(wps->wps->registrar, wps->uuid_e, 13848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &wps->peer_dev); 13858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 13868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_password = os_malloc(pin_len); 13898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->dev_password == NULL) 13908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 13918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->dev_password, pin, pin_len); 13928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_password_len = pin_len; 13938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 13958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 13968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_uuid_r(struct wps_data *wps, struct wpabuf *msg) 13998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * UUID-R"); 14018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_UUID_R); 14028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, WPS_UUID_LEN); 14038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(msg, wps->uuid_r, WPS_UUID_LEN); 14048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_r_hash(struct wps_data *wps, struct wpabuf *msg) 14098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *hash; 14118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr[4]; 14128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len[4]; 14138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (random_get_bytes(wps->snonce, 2 * WPS_SECRET_NONCE_LEN) < 0) 14158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 14168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: R-S1", wps->snonce, WPS_SECRET_NONCE_LEN); 14178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: R-S2", 14188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->snonce + WPS_SECRET_NONCE_LEN, WPS_SECRET_NONCE_LEN); 14198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->dh_pubkey_e == NULL || wps->dh_pubkey_r == NULL) { 14218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: DH public keys not available for " 14228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "R-Hash derivation"); 14238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 14248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * R-Hash1"); 14278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_R_HASH1); 14288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, SHA256_MAC_LEN); 14298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hash = wpabuf_put(msg, SHA256_MAC_LEN); 14308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* R-Hash1 = HMAC_AuthKey(R-S1 || PSK1 || PK_E || PK_R) */ 14318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[0] = wps->snonce; 14328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[0] = WPS_SECRET_NONCE_LEN; 14338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[1] = wps->psk1; 14348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[1] = WPS_PSK_LEN; 14358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[2] = wpabuf_head(wps->dh_pubkey_e); 14368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[2] = wpabuf_len(wps->dh_pubkey_e); 14378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[3] = wpabuf_head(wps->dh_pubkey_r); 14388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[3] = wpabuf_len(wps->dh_pubkey_r); 14398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash); 14408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: R-Hash1", hash, SHA256_MAC_LEN); 14418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * R-Hash2"); 14438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_R_HASH2); 14448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, SHA256_MAC_LEN); 14458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hash = wpabuf_put(msg, SHA256_MAC_LEN); 14468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* R-Hash2 = HMAC_AuthKey(R-S2 || PSK2 || PK_E || PK_R) */ 14478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[0] = wps->snonce + WPS_SECRET_NONCE_LEN; 14488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[1] = wps->psk2; 14498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash); 14508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: R-Hash2", hash, SHA256_MAC_LEN); 14518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_r_snonce1(struct wps_data *wps, struct wpabuf *msg) 14578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * R-SNonce1"); 14598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_R_SNONCE1); 14608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, WPS_SECRET_NONCE_LEN); 14618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(msg, wps->snonce, WPS_SECRET_NONCE_LEN); 14628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_r_snonce2(struct wps_data *wps, struct wpabuf *msg) 14678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * R-SNonce2"); 14698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_R_SNONCE2); 14708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, WPS_SECRET_NONCE_LEN); 14718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(msg, wps->snonce + WPS_SECRET_NONCE_LEN, 14728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_SECRET_NONCE_LEN); 14738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_cred_network_idx(struct wpabuf *msg, 14788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 14798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Network Index (1)"); 14818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_NETWORK_INDEX); 14828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 1); 14838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(msg, 1); 14848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_cred_ssid(struct wpabuf *msg, 14898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 14908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * SSID"); 14928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID for Credential", 14938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->ssid, cred->ssid_len); 14948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_SSID); 14958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, cred->ssid_len); 14968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(msg, cred->ssid, cred->ssid_len); 14978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_cred_auth_type(struct wpabuf *msg, 15028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 15038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Authentication Type (0x%x)", 15058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->auth_type); 15068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_AUTH_TYPE); 15078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 2); 15088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, cred->auth_type); 15098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 15108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_cred_encr_type(struct wpabuf *msg, 15148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 15158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Encryption Type (0x%x)", 15178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->encr_type); 15188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_ENCR_TYPE); 15198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 2); 15208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, cred->encr_type); 15218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 15228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_cred_network_key(struct wpabuf *msg, 15268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 15278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Network Key (len=%d)", 15298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (int) cred->key_len); 15308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key", 15318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->key, cred->key_len); 15328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_NETWORK_KEY); 15338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, cred->key_len); 15348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(msg, cred->key, cred->key_len); 15358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 15368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_credential(struct wpabuf *msg, 15408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 15418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_cred_network_idx(msg, cred) || 15438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_cred_ssid(msg, cred) || 15448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_cred_auth_type(msg, cred) || 15458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_cred_encr_type(msg, cred) || 15468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_cred_network_key(msg, cred) || 15474b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_build_mac_addr(msg, cred->mac_addr)) 15488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 15498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 15508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15531f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtint wps_build_credential_wrap(struct wpabuf *msg, 15541f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const struct wps_credential *cred) 15551f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 15561f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct wpabuf *wbuf; 15571f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wbuf = wpabuf_alloc(200); 15581f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wbuf == NULL) 15591f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return -1; 15601f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wps_build_credential(wbuf, cred)) { 15611f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(wbuf); 15621f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return -1; 15631f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 15641f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_be16(msg, ATTR_CRED); 15651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_be16(msg, wpabuf_len(wbuf)); 15661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_buf(msg, wbuf); 15671f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(wbuf); 15681f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return 0; 15691f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 15701f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 15711f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 15728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_build_cred(struct wps_data *wps, struct wpabuf *msg) 15738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *cred; 15758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->registrar->skip_cred_build) 15778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto skip_cred_build; 15788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Credential"); 15808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->use_cred) { 15818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(&wps->cred, wps->use_cred, sizeof(wps->cred)); 15828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto use_provided; 15838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 15848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(&wps->cred, 0, sizeof(wps->cred)); 15858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.ssid, wps->wps->ssid, wps->wps->ssid_len); 15878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.ssid_len = wps->wps->ssid_len; 15888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Select the best authentication and encryption type */ 15908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->auth_type & WPS_AUTH_WPA2PSK) 15918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type = WPS_AUTH_WPA2PSK; 15928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->auth_type & WPS_AUTH_WPAPSK) 15938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type = WPS_AUTH_WPAPSK; 15948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->auth_type & WPS_AUTH_OPEN) 15958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type = WPS_AUTH_OPEN; 15968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->auth_type & WPS_AUTH_SHARED) 15978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type = WPS_AUTH_SHARED; 15988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else { 15998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unsupported auth_type 0x%x", 16008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type); 16018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.auth_type = wps->auth_type; 16048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->auth_type == WPS_AUTH_WPA2PSK || 16068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type == WPS_AUTH_WPAPSK) { 16078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->encr_type & WPS_ENCR_AES) 16088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->encr_type = WPS_ENCR_AES; 16098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->encr_type & WPS_ENCR_TKIP) 16108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->encr_type = WPS_ENCR_TKIP; 16118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else { 16128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No suitable encryption " 16138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "type for WPA/WPA2"); 16148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 16178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->encr_type & WPS_ENCR_WEP) 16188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->encr_type = WPS_ENCR_WEP; 16198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->encr_type & WPS_ENCR_NONE) 16208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->encr_type = WPS_ENCR_NONE; 16218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else { 16228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No suitable encryption " 16238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "type for non-WPA/WPA2 mode"); 16248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.encr_type = wps->encr_type; 16288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 16298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Set MAC address in the Credential to be the Enrollee's MAC address 16308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 16318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.mac_addr, wps->mac_addr_e, ETH_ALEN); 16328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_state == WPS_STATE_NOT_CONFIGURED && wps->wps->ap && 16348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps->wps->registrar->disable_auto_conf) { 16358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 r[16]; 16368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Generate a random passphrase */ 16378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (random_get_bytes(r, sizeof(r)) < 0) 16388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wps->new_psk); 16408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk = base64_encode(r, sizeof(r), &wps->new_psk_len); 16418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->new_psk == NULL) 16428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk_len--; /* remove newline */ 16448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (wps->new_psk_len && 16458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk[wps->new_psk_len - 1] == '=') 16468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk_len--; 16478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_ascii_key(MSG_DEBUG, "WPS: Generated passphrase", 16488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk, wps->new_psk_len); 16498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.key, wps->new_psk, wps->new_psk_len); 16508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.key_len = wps->new_psk_len; 1651391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt } else if (!wps->wps->registrar->force_per_enrollee_psk && 1652391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt wps->use_psk_key && wps->wps->psk_set) { 16538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char hex[65]; 16548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Use PSK format for Network Key"); 16558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_snprintf_hex(hex, sizeof(hex), wps->wps->psk, 32); 16568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.key, hex, 32 * 2); 16578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.key_len = 32 * 2; 1658391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt } else if (!wps->wps->registrar->force_per_enrollee_psk && 1659391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt wps->wps->network_key) { 16608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.key, wps->wps->network_key, 16618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->network_key_len); 16628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.key_len = wps->wps->network_key_len; 16638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (wps->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) { 16648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char hex[65]; 16658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Generate a random per-device PSK */ 16668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wps->new_psk); 16678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk_len = 32; 16688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk = os_malloc(wps->new_psk_len); 16698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->new_psk == NULL) 16708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (random_get_bytes(wps->new_psk, wps->new_psk_len) < 0) { 16728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wps->new_psk); 16738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk = NULL; 16748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: Generated per-device PSK", 16778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk, wps->new_psk_len); 16788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_snprintf_hex(hex, sizeof(hex), wps->new_psk, 16798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk_len); 16808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.key, hex, wps->new_psk_len * 2); 16818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.key_len = wps->new_psk_len * 2; 16828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtuse_provided: 16858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_TESTING 16868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_testing_dummy_cred) 16878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred = wpabuf_alloc(200); 16888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 16898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred = NULL; 16908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cred) { 16918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_credential dummy; 16928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Add dummy credential"); 16938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(&dummy, 0, sizeof(dummy)); 16948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dummy.ssid, "dummy", 5); 16958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dummy.ssid_len = 5; 16968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dummy.auth_type = WPS_AUTH_WPA2PSK; 16978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dummy.encr_type = WPS_ENCR_AES; 16988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dummy.key, "dummy psk", 9); 16998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dummy.key_len = 9; 17008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dummy.mac_addr, wps->mac_addr_e, ETH_ALEN); 17018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_credential(cred, &dummy); 17028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_buf(MSG_DEBUG, "WPS: Dummy Credential", cred); 17038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_CRED); 17058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, wpabuf_len(cred)); 17068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_buf(msg, cred); 17078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(cred); 17098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_TESTING */ 17118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred = wpabuf_alloc(200); 17138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cred == NULL) 17148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 17158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_credential(cred, &wps->cred)) { 17178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(cred); 17188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 17198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_CRED); 17228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, wpabuf_len(cred)); 17238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_buf(msg, cred); 17248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(cred); 17258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtskip_cred_build: 17278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->registrar->extra_cred) { 17288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Credential (pre-configured)"); 17298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_buf(msg, wps->wps->registrar->extra_cred); 17308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 17338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_ap_settings(struct wps_data *wps, struct wpabuf *msg) 17378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * AP Settings"); 17398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_credential(msg, &wps->cred)) 17418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 17428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 17448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17471f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtstatic struct wpabuf * wps_build_ap_cred(struct wps_data *wps) 17481f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 17491f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct wpabuf *msg, *plain; 17501f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17511f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt msg = wpabuf_alloc(1000); 17521f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (msg == NULL) 17531f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return NULL; 17541f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17551f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt plain = wpabuf_alloc(200); 17561f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (plain == NULL) { 17571f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(msg); 17581f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return NULL; 17591f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 17601f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17611f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wps_build_ap_settings(wps, plain)) { 17621f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(plain); 17631f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(msg); 17641f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return NULL; 17651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 17661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17671f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_be16(msg, ATTR_CRED); 17681f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_be16(msg, wpabuf_len(plain)); 17691f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_buf(msg, plain); 17701f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(plain); 17711f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17721f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return msg; 17731f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 17741f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17751f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * wps_build_m2(struct wps_data *wps) 17778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg; 17798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (random_get_bytes(wps->nonce_r, WPS_NONCE_LEN) < 0) 17818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 17828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Registrar Nonce", 17838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->nonce_r, WPS_NONCE_LEN); 17848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: UUID-R", wps->uuid_r, WPS_UUID_LEN); 17858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Building Message M2"); 17878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wpabuf_alloc(1000); 17888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg == NULL) 17898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 17908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(msg) || 17928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_msg_type(msg, WPS_M2) || 17938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_enrollee_nonce(wps, msg) || 17948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_registrar_nonce(wps, msg) || 17958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_uuid_r(wps, msg) || 17968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_public_key(wps, msg) || 17978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_derive_keys(wps) || 17988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_auth_type_flags(wps, msg) || 17998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_encr_type_flags(wps, msg) || 18008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_conn_type_flags(wps, msg) || 18018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_config_methods_r(wps->wps->registrar, msg) || 18028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_device_attrs(&wps->wps->dev, msg) || 1803b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps_build_rf_bands(&wps->wps->dev, msg, 1804b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->wps->rf_band_cb(wps->wps->cb_ctx)) || 18058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_assoc_state(wps, msg) || 18068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_config_error(msg, WPS_CFG_NO_ERROR) || 18078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_dev_password_id(msg, wps->dev_pw_id) || 18088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_os_version(&wps->wps->dev, msg) || 18098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(msg, 0, NULL, 0) || 18108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_authenticator(wps, msg)) { 18118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(msg); 18128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 18148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->int_reg = 1; 18168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = RECV_M3; 18178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 18188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * wps_build_m2d(struct wps_data *wps) 18228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg; 18248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 err = wps->config_error; 18258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Building Message M2D"); 18278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wpabuf_alloc(1000); 18288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg == NULL) 18298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->ap && wps->wps->ap_setup_locked && 18328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt err == WPS_CFG_NO_ERROR) 18338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt err = WPS_CFG_SETUP_LOCKED; 18348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(msg) || 18368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_msg_type(msg, WPS_M2D) || 18378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_enrollee_nonce(wps, msg) || 18388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_registrar_nonce(wps, msg) || 18398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_uuid_r(wps, msg) || 18408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_auth_type_flags(wps, msg) || 18418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_encr_type_flags(wps, msg) || 18428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_conn_type_flags(wps, msg) || 18438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_config_methods_r(wps->wps->registrar, msg) || 18448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_device_attrs(&wps->wps->dev, msg) || 1845b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps_build_rf_bands(&wps->wps->dev, msg, 1846b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->wps->rf_band_cb(wps->wps->cb_ctx)) || 18478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_assoc_state(wps, msg) || 18488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_config_error(msg, err) || 18498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_os_version(&wps->wps->dev, msg) || 18508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(msg, 0, NULL, 0)) { 18518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(msg); 18528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 18548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = RECV_M2D_ACK; 18568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 18578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * wps_build_m4(struct wps_data *wps) 18618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg, *plain; 18638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Building Message M4"); 18658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_derive_psk(wps, wps->dev_password, wps->dev_password_len); 18678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plain = wpabuf_alloc(200); 18698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (plain == NULL) 18708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wpabuf_alloc(1000); 18738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg == NULL) { 18748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 18758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 18778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(msg) || 18798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_msg_type(msg, WPS_M4) || 18808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_enrollee_nonce(wps, msg) || 18818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_r_hash(wps, msg) || 18828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_r_snonce1(wps, plain) || 18838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_key_wrap_auth(wps, plain) || 18848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_encr_settings(wps, msg, plain) || 18858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(msg, 0, NULL, 0) || 18868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_authenticator(wps, msg)) { 18878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 18888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(msg); 18898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 18918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 18928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = RECV_M5; 18948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 18958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * wps_build_m6(struct wps_data *wps) 18998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 19008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg, *plain; 19018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Building Message M6"); 19038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plain = wpabuf_alloc(200); 19058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (plain == NULL) 19068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wpabuf_alloc(1000); 19098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg == NULL) { 19108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(msg) || 19158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_msg_type(msg, WPS_M6) || 19168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_enrollee_nonce(wps, msg) || 19178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_r_snonce2(wps, plain) || 19188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_key_wrap_auth(wps, plain) || 19198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_encr_settings(wps, msg, plain) || 19208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(msg, 0, NULL, 0) || 19218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_authenticator(wps, msg)) { 19228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(msg); 19248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps_pin_revealed = 1; 19298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = RECV_M7; 19308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 19318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 19328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * wps_build_m8(struct wps_data *wps) 19358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 19368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg, *plain; 19378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Building Message M8"); 19398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plain = wpabuf_alloc(500); 19418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (plain == NULL) 19428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wpabuf_alloc(1000); 19458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg == NULL) { 19468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(msg) || 19518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_msg_type(msg, WPS_M8) || 19528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_enrollee_nonce(wps, msg) || 19538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ((wps->wps->ap || wps->er) && wps_build_cred(wps, plain)) || 19548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (!wps->wps->ap && !wps->er && wps_build_ap_settings(wps, plain)) || 19558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_key_wrap_auth(wps, plain) || 19568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_encr_settings(wps, msg, plain) || 19578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(msg, 0, NULL, 0) || 19588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_authenticator(wps, msg)) { 19598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(msg); 19618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = RECV_DONE; 19668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 19678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 19688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpabuf * wps_registrar_get_msg(struct wps_data *wps, 19718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum wsc_op_code *op_code) 19728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 19738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg; 19748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 19768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!wps->int_reg && wps->wps->wps_upnp) { 19778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct upnp_pending_message *p, *prev = NULL; 19788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ext_reg > 1) 19798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_free_pending_m2(wps->wps); 19808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p = wps->wps->upnp_msgs; 19818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: check pending message MAC address */ 19828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (p && p->next) { 19838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = p; 19848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p = p->next; 19858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (p) { 19878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Use pending message from " 19888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "UPnP"); 19898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (prev) 19908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev->next = NULL; 19918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 19928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->upnp_msgs = NULL; 19938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = p->msg; 19948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (p->type) { 19958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_WSC_ACK: 19968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_ACK; 19978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 19988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_WSC_NACK: 19998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_NACK; 20008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 20028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 20038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(p); 20068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ext_reg == 0) 20078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->ext_reg = 1; 20088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 20098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ext_reg) { 20128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Using external Registrar, but no " 20138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "pending message available"); 20148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 20158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 20178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (wps->state) { 20198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_M2: 20208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_get_dev_password(wps) < 0) 20218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m2d(wps); 20228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 20238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m2(wps); 20248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 20258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_M2D: 20278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m2d(wps); 20288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 20298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_M4: 20318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m4(wps); 20328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 20338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_M6: 20358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m6(wps); 20368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 20378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_M8: 20398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m8(wps); 20408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 20418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case RECV_DONE: 20438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_wsc_ack(wps); 20448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_ACK; 20458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_WSC_NACK: 20478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_wsc_nack(wps); 20488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_NACK; 20498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 20518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unsupported state %d for building " 20528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "a message", wps->state); 20538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = NULL; 20548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*op_code == WSC_MSG && msg) { 20588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Save a copy of the last message for Authenticator derivation 20598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 20608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(wps->last_msg); 20618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->last_msg = wpabuf_dup(msg); 20628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 20658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 20668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_enrollee_nonce(struct wps_data *wps, const u8 *e_nonce) 20698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 20708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (e_nonce == NULL) { 20718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Enrollee Nonce received"); 20728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 20738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->nonce_e, e_nonce, WPS_NONCE_LEN); 20768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Enrollee Nonce", 20778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->nonce_e, WPS_NONCE_LEN); 20788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 20808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 20818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_registrar_nonce(struct wps_data *wps, const u8 *r_nonce) 20848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 20858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (r_nonce == NULL) { 20868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Registrar Nonce received"); 20878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 20888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(wps->nonce_r, r_nonce, WPS_NONCE_LEN) != 0) { 20918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalid Registrar Nonce received"); 20928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 20938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 20968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 20978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_uuid_e(struct wps_data *wps, const u8 *uuid_e) 21008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (uuid_e == NULL) { 21028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No UUID-E received"); 21038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->uuid_e, uuid_e, WPS_UUID_LEN); 21078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: UUID-E", wps->uuid_e, WPS_UUID_LEN); 21088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 21108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 21118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_dev_password_id(struct wps_data *wps, const u8 *pw_id) 21148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pw_id == NULL) { 21168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Device Password ID received"); 21178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id = WPA_GET_BE16(pw_id); 21218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Device Password ID %d", wps->dev_pw_id); 21228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 21248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 21258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_e_hash1(struct wps_data *wps, const u8 *e_hash1) 21288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (e_hash1 == NULL) { 21308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No E-Hash1 received"); 21318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->peer_hash1, e_hash1, WPS_HASH_LEN); 21358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: E-Hash1", wps->peer_hash1, WPS_HASH_LEN); 21368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 21388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 21398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_e_hash2(struct wps_data *wps, const u8 *e_hash2) 21428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (e_hash2 == NULL) { 21448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No E-Hash2 received"); 21458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->peer_hash2, e_hash2, WPS_HASH_LEN); 21498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: E-Hash2", wps->peer_hash2, WPS_HASH_LEN); 21508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 21528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 21538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_e_snonce1(struct wps_data *wps, const u8 *e_snonce1) 21568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 hash[SHA256_MAC_LEN]; 21588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr[4]; 21598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len[4]; 21608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (e_snonce1 == NULL) { 21628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No E-SNonce1 received"); 21638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: E-SNonce1", e_snonce1, 21678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_SECRET_NONCE_LEN); 21688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* E-Hash1 = HMAC_AuthKey(E-S1 || PSK1 || PK_E || PK_R) */ 21708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[0] = e_snonce1; 21718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[0] = WPS_SECRET_NONCE_LEN; 21728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[1] = wps->psk1; 21738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[1] = WPS_PSK_LEN; 21748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[2] = wpabuf_head(wps->dh_pubkey_e); 21758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[2] = wpabuf_len(wps->dh_pubkey_e); 21768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[3] = wpabuf_head(wps->dh_pubkey_r); 21778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[3] = wpabuf_len(wps->dh_pubkey_r); 21788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash); 21798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(wps->peer_hash1, hash, WPS_HASH_LEN) != 0) { 21818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: E-Hash1 derived from E-S1 does " 21828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "not match with the pre-committed value"); 21838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_DEV_PASSWORD_AUTH_FAILURE; 2184b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps_pwd_auth_fail_event(wps->wps, 0, 1, wps->mac_addr_e); 21858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee proved knowledge of the first " 21898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "half of the device password"); 21908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 21928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 21938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_e_snonce2(struct wps_data *wps, const u8 *e_snonce2) 21968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 hash[SHA256_MAC_LEN]; 21988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr[4]; 21998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len[4]; 22008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (e_snonce2 == NULL) { 22028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No E-SNonce2 received"); 22038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 22048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 22058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: E-SNonce2", e_snonce2, 22078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_SECRET_NONCE_LEN); 22088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* E-Hash2 = HMAC_AuthKey(E-S2 || PSK2 || PK_E || PK_R) */ 22108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[0] = e_snonce2; 22118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[0] = WPS_SECRET_NONCE_LEN; 22128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[1] = wps->psk2; 22138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[1] = WPS_PSK_LEN; 22148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[2] = wpabuf_head(wps->dh_pubkey_e); 22158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[2] = wpabuf_len(wps->dh_pubkey_e); 22168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[3] = wpabuf_head(wps->dh_pubkey_r); 22178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[3] = wpabuf_len(wps->dh_pubkey_r); 22188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash); 22198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(wps->peer_hash2, hash, WPS_HASH_LEN) != 0) { 22218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: E-Hash2 derived from E-S2 does " 22228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "not match with the pre-committed value"); 22238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_invalidate_pin(wps->wps->registrar, wps->uuid_e); 22248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_DEV_PASSWORD_AUTH_FAILURE; 2225b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps_pwd_auth_fail_event(wps->wps, 0, 2, wps->mac_addr_e); 22268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 22278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 22288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee proved knowledge of the second " 22308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "half of the device password"); 22318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps_pin_revealed = 0; 22328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_unlock_pin(wps->wps->registrar, wps->uuid_e); 22338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2234c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt /* 2235c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * In case wildcard PIN is used and WPS handshake succeeds in the first 2236c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * attempt, wps_registrar_unlock_pin() would not free the PIN, so make 2237c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * sure the PIN gets invalidated here. 2238c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt */ 2239c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt wps_registrar_invalidate_pin(wps->wps->registrar, wps->uuid_e); 2240c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt 22418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 22428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 22438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_mac_addr(struct wps_data *wps, const u8 *mac_addr) 22468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 22478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (mac_addr == NULL) { 22488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No MAC Address received"); 22498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 22508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 22518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee MAC Address " MACSTR, 22538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(mac_addr)); 22548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->mac_addr_e, mac_addr, ETH_ALEN); 22558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->peer_dev.mac_addr, mac_addr, ETH_ALEN); 22568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 22588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 22598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_pubkey(struct wps_data *wps, const u8 *pk, 22628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t pk_len) 22638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 22648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pk == NULL || pk_len == 0) { 22658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Public Key received"); 22668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 22678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 22688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(wps->dh_pubkey_e); 22708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dh_pubkey_e = wpabuf_alloc_copy(pk, pk_len); 22718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->dh_pubkey_e == NULL) 22728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 22738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 22758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 22768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_auth_type_flags(struct wps_data *wps, const u8 *auth) 22798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 22808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 auth_types; 22818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (auth == NULL) { 22838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Authentication Type flags " 22848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "received"); 22858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 22868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 22878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt auth_types = WPA_GET_BE16(auth); 22898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Authentication Type flags 0x%x", 22918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt auth_types); 22928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type = wps->wps->auth_types & auth_types; 22938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->auth_type == 0) { 22948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No match in supported " 22958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "authentication types (own 0x%x Enrollee 0x%x)", 22968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->auth_types, auth_types); 22978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef WPS_WORKAROUNDS 22988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 22998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Some deployed implementations seem to advertise incorrect 23008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * information in this attribute. For example, Linksys WRT350N 23018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * seems to have a byteorder bug that breaks this negotiation. 23028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * In order to interoperate with existing implementations, 23038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * assume that the Enrollee supports everything we do. 23048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 23058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Workaround - assume Enrollee " 23068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "does not advertise supported authentication types " 23078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "correctly"); 23088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type = wps->wps->auth_types; 23098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* WPS_WORKAROUNDS */ 23108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 23118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* WPS_WORKAROUNDS */ 23128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 23138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 23158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 23168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_encr_type_flags(struct wps_data *wps, const u8 *encr) 23198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 23208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 encr_types; 23218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (encr == NULL) { 23238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Encryption Type flags " 23248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "received"); 23258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 23268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 23278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_types = WPA_GET_BE16(encr); 23298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Encryption Type flags 0x%x", 23318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_types); 23328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->encr_type = wps->wps->encr_types & encr_types; 23338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->encr_type == 0) { 23348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No match in supported " 23358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "encryption types (own 0x%x Enrollee 0x%x)", 23368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->encr_types, encr_types); 23378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef WPS_WORKAROUNDS 23388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 23398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Some deployed implementations seem to advertise incorrect 23408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * information in this attribute. For example, Linksys WRT350N 23418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * seems to have a byteorder bug that breaks this negotiation. 23428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * In order to interoperate with existing implementations, 23438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * assume that the Enrollee supports everything we do. 23448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 23458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Workaround - assume Enrollee " 23468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "does not advertise supported encryption types " 23478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "correctly"); 23488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->encr_type = wps->wps->encr_types; 23498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* WPS_WORKAROUNDS */ 23508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 23518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* WPS_WORKAROUNDS */ 23528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 23538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 23558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 23568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_conn_type_flags(struct wps_data *wps, const u8 *conn) 23598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 23608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conn == NULL) { 23618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Connection Type flags " 23628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "received"); 23638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 23648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 23658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Connection Type flags 0x%x", 23678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *conn); 23688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 23708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 23718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_config_methods(struct wps_data *wps, const u8 *methods) 23748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 23758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 m; 23768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (methods == NULL) { 23788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Config Methods received"); 23798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 23808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 23818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m = WPA_GET_BE16(methods); 23838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Config Methods 0x%x" 23858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "%s%s%s%s%s%s%s%s%s", m, 23868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_USBA ? " [USBA]" : "", 23878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_ETHERNET ? " [Ethernet]" : "", 23888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_LABEL ? " [Label]" : "", 23898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_DISPLAY ? " [Display]" : "", 23908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_EXT_NFC_TOKEN ? " [Ext NFC Token]" : "", 23918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_INT_NFC_TOKEN ? " [Int NFC Token]" : "", 23928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_NFC_INTERFACE ? " [NFC]" : "", 23938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_PUSHBUTTON ? " [PBC]" : "", 23948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_KEYPAD ? " [Keypad]" : ""); 23958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!(m & WPS_CONFIG_DISPLAY) && !wps->use_psk_key) { 23978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 23988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * The Enrollee does not have a display so it is unlikely to be 23998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * able to show the passphrase to a user and as such, could 24008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * benefit from receiving PSK to reduce key derivation time. 24018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 24028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Prefer PSK format key due to " 24038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Enrollee not supporting display"); 24048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->use_psk_key = 1; 24058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 24068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 24088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 24098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_wps_state(struct wps_data *wps, const u8 *state) 24128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 24138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (state == NULL) { 24148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Wi-Fi Protected Setup State " 24158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "received"); 24168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 24178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 24188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Wi-Fi Protected Setup State %d", 24208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *state); 24218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 24238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 24248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_assoc_state(struct wps_data *wps, const u8 *assoc) 24278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 24288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 a; 24298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (assoc == NULL) { 24318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Association State received"); 24328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 24338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 24348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt a = WPA_GET_BE16(assoc); 24368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Association State %d", a); 24378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 24398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 24408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_config_error(struct wps_data *wps, const u8 *err) 24438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 24448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 e; 24458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (err == NULL) { 24478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Configuration Error received"); 24488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 24498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 24508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt e = WPA_GET_BE16(err); 24528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Configuration Error %d", e); 24538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 24558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 24568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_registrar_p2p_dev_addr_match(struct wps_data *wps) 24598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 24608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 24618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar *reg = wps->wps->registrar; 24628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (is_zero_ether_addr(reg->p2p_dev_addr)) 24648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; /* no filtering in use */ 24658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(reg->p2p_dev_addr, wps->p2p_dev_addr, ETH_ALEN) != 0) { 24678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No match on P2P Device Address " 24688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "filtering for PBC: expected " MACSTR " was " 24698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MACSTR " - indicate PBC session overlap", 24708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(reg->p2p_dev_addr), 24718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(wps->p2p_dev_addr)); 24728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 24738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 24748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 24758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 24768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 24778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_registrar_skip_overlap(struct wps_data *wps) 24808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 24818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 24828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar *reg = wps->wps->registrar; 24838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (is_zero_ether_addr(reg->p2p_dev_addr)) 24858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; /* no specific Enrollee selected */ 24868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(reg->p2p_dev_addr, wps->p2p_dev_addr, ETH_ALEN) == 0) { 24888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Skip PBC overlap due to selected " 24898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Enrollee match"); 24908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 24918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 24928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 24938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 24948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 24958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_m1(struct wps_data *wps, 24988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr *attr) 24998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 25008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received M1"); 25018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state != RECV_M1) { 25038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for " 25048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "receiving M1", wps->state); 25058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 25068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 25078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_process_uuid_e(wps, attr->uuid_e) || 25098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_mac_addr(wps, attr->mac_addr) || 25108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_enrollee_nonce(wps, attr->enrollee_nonce) || 25118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_pubkey(wps, attr->public_key, attr->public_key_len) || 25128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_auth_type_flags(wps, attr->auth_type_flags) || 25138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_encr_type_flags(wps, attr->encr_type_flags) || 25148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_conn_type_flags(wps, attr->conn_type_flags) || 25158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_config_methods(wps, attr->config_methods) || 25168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_wps_state(wps, attr->wps_state) || 25178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_device_attrs(&wps->peer_dev, attr) || 25188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_rf_bands(&wps->peer_dev, attr->rf_bands) || 25198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_assoc_state(wps, attr->assoc_state) || 25208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_dev_password_id(wps, attr->dev_password_id) || 25218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_config_error(wps, attr->config_error) || 25228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_os_version(&wps->peer_dev, attr->os_version)) 25238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 25248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->dev_pw_id < 0x10 && 25268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id != DEV_PW_DEFAULT && 25278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id != DEV_PW_USER_SPECIFIED && 25288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id != DEV_PW_MACHINE_SPECIFIED && 25298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id != DEV_PW_REGISTRAR_SPECIFIED && 25308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (wps->dev_pw_id != DEV_PW_PUSHBUTTON || 25318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps->wps->registrar->pbc)) { 25328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unsupported Device Password ID %d", 25338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id); 25348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M2D; 25358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 25368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 25378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 253804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#ifdef CONFIG_WPS_NFC 253904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (wps->dev_pw_id >= 0x10) { 254004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct wps_nfc_pw_token *token; 254104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *addr[1]; 254204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt u8 hash[WPS_HASH_LEN]; 254304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 254404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt token = wps_get_nfc_pw_token( 254504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt &wps->wps->registrar->nfc_pw_tokens, wps->dev_pw_id); 254604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (token) { 254704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Found matching NFC " 254804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt "Password Token"); 254904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dl_list_del(&token->list); 255004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps->nfc_pw_token = token; 255104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 255204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt addr[0] = attr->public_key; 255304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt sha256_vector(1, addr, &attr->public_key_len, hash); 255404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (os_memcmp(hash, wps->nfc_pw_token->pubkey_hash, 255504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt WPS_OOB_PUBKEY_HASH_LEN) != 0) { 255604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_printf(MSG_ERROR, "WPS: Public Key hash " 255704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt "mismatch"); 255804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return WPS_FAILURE; 255904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 256004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 256104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 256204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#endif /* CONFIG_WPS_NFC */ 256304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 25648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->dev_pw_id == DEV_PW_PUSHBUTTON) { 25658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((wps->wps->registrar->force_pbc_overlap || 25668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pbc_overlap(wps->wps->registrar, 25678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->mac_addr_e, wps->uuid_e) || 25688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps_registrar_p2p_dev_addr_match(wps)) && 25698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps_registrar_skip_overlap(wps)) { 25708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC overlap - deny PBC " 25718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "negotiation"); 25728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M2D; 25738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED; 25748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_pbc_overlap_event(wps->wps); 25758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M1, 25768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_CFG_MULTIPLE_PBC_DETECTED, 2577b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt WPS_EI_NO_ERROR, wps->mac_addr_e); 25788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->registrar->force_pbc_overlap = 1; 25798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 25808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 25818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_add_pbc_session(wps->wps->registrar, 25828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->mac_addr_e, wps->uuid_e); 25838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->pbc = 1; 25848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 25858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef WPS_WORKAROUNDS 25878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 25888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * It looks like Mac OS X 10.6.3 and 10.6.4 do not like Network Key in 25898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * passphrase format. To avoid interop issues, force PSK format to be 25908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * used. 25918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 25928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!wps->use_psk_key && 25938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->peer_dev.manufacturer && 25948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_strncmp(wps->peer_dev.manufacturer, "Apple ", 6) == 0 && 25958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->peer_dev.model_name && 25968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_strcmp(wps->peer_dev.model_name, "AirPort") == 0) { 25978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Workaround - Force Network Key in " 25988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "PSK format"); 25998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->use_psk_key = 1; 26008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* WPS_WORKAROUNDS */ 26028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M2; 26048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 26068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_m3(struct wps_data *wps, 26098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg, 26108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr *attr) 26118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 26128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received M3"); 26138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state != RECV_M3) { 26158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for " 26168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "receiving M3", wps->state); 26178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 26188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->pbc && wps->wps->registrar->force_pbc_overlap && 26228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps_registrar_skip_overlap(wps)) { 26238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Reject negotiation due to PBC " 26248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "session overlap"); 26258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 26268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED; 26278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_process_registrar_nonce(wps, attr->registrar_nonce) || 26318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_authenticator(wps, attr->authenticator, msg) || 26328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_e_hash1(wps, attr->e_hash1) || 26338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_e_hash2(wps, attr->e_hash2)) { 26348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 26358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M4; 26398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 26418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_m5(struct wps_data *wps, 26448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg, 26458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr *attr) 26468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 26478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *decrypted; 26488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr eattr; 26498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received M5"); 26518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state != RECV_M5) { 26538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for " 26548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "receiving M5", wps->state); 26558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 26568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->pbc && wps->wps->registrar->force_pbc_overlap && 26608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps_registrar_skip_overlap(wps)) { 26618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Reject negotiation due to PBC " 26628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "session overlap"); 26638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 26648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED; 26658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_process_registrar_nonce(wps, attr->registrar_nonce) || 26698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_authenticator(wps, attr->authenticator, msg)) { 26708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 26718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt decrypted = wps_decrypt_encr_settings(wps, attr->encr_settings, 26758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr->encr_settings_len); 26768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (decrypted == NULL) { 26778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Failed to decrypted Encrypted " 26788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Settings attribute"); 26798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 26808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m5_encr(decrypted, attr->version2 != NULL) < 0) { 26848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 26858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 26868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Processing decrypted Encrypted Settings " 26908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "attribute"); 26918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(decrypted, &eattr) < 0 || 26928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_key_wrap_auth(wps, decrypted, eattr.key_wrap_auth) || 26938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_e_snonce1(wps, eattr.e_snonce1)) { 26948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 26958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 26968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 26998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M6; 27018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 27028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 27038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_sta_cred_cb(struct wps_data *wps) 27068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 27078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 27088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Update credential to only include a single authentication and 27098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * encryption type in case the AP configuration includes more than one 27108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * option. 27118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 27128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->cred.auth_type & WPS_AUTH_WPA2PSK) 27138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.auth_type = WPS_AUTH_WPA2PSK; 27148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->cred.auth_type & WPS_AUTH_WPAPSK) 27158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.auth_type = WPS_AUTH_WPAPSK; 27168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->cred.encr_type & WPS_ENCR_AES) 27178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.encr_type = WPS_ENCR_AES; 27188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->cred.encr_type & WPS_ENCR_TKIP) 27198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.encr_type = WPS_ENCR_TKIP; 27208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Update local configuration based on the " 27218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "AP configuration"); 27228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->cred_cb) 27238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->cred_cb(wps->wps->cb_ctx, &wps->cred); 27248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 27258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_cred_update(struct wps_credential *dst, 27288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_credential *src) 27298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 27308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dst->ssid, src->ssid, sizeof(dst->ssid)); 27318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dst->ssid_len = src->ssid_len; 27328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dst->auth_type = src->auth_type; 27338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dst->encr_type = src->encr_type; 27348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dst->key_idx = src->key_idx; 27358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dst->key, src->key, sizeof(dst->key)); 27368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dst->key_len = src->key_len; 27378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 27388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_ap_settings_r(struct wps_data *wps, 27418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr *attr) 27428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 27431f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct wpabuf *msg; 27441f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 27458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->ap || wps->er) 27468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 27478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* AP Settings Attributes in M7 when Enrollee is an AP */ 27498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_process_ap_settings(attr, &wps->cred) < 0) 27508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 27518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "WPS: Received old AP configuration from AP"); 27538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->new_ap_settings) { 27558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "WPS: Update AP configuration based on " 27568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "new settings"); 27578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_cred_update(&wps->cred, wps->new_ap_settings); 27588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 27598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 27608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 27618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Use the AP PIN only to receive the current AP settings, not 27628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * to reconfigure the AP. 27638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 27648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 27668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Clear selected registrar here since we do not get to 27678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * WSC_Done in this protocol run. 27688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 27698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pin_completed(wps->wps->registrar); 27708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27711f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt msg = wps_build_ap_cred(wps); 27721f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (msg == NULL) 27731f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return -1; 27741f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->cred.cred_attr = wpabuf_head(msg); 27751f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->cred.cred_attr_len = wpabuf_len(msg); 27761f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 27778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ap_settings_cb) { 27788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->ap_settings_cb(wps->ap_settings_cb_ctx, 27798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &wps->cred); 27801f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(msg); 27818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 27828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 27838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_sta_cred_cb(wps); 27841f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 27851f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->cred.cred_attr = NULL; 27861f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->cred.cred_attr_len = 0; 27871f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(msg); 27881f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 27898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 27908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 27918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 27928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_m7(struct wps_data *wps, 27958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg, 27968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr *attr) 27978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 27988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *decrypted; 27998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr eattr; 28008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received M7"); 28028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state != RECV_M7) { 28048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for " 28058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "receiving M7", wps->state); 28068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 28078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 28088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->pbc && wps->wps->registrar->force_pbc_overlap && 28118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps_registrar_skip_overlap(wps)) { 28128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Reject negotiation due to PBC " 28138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "session overlap"); 28148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 28158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED; 28168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 28178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_process_registrar_nonce(wps, attr->registrar_nonce) || 28208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_authenticator(wps, attr->authenticator, msg)) { 28218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 28228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 28238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt decrypted = wps_decrypt_encr_settings(wps, attr->encr_settings, 28268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr->encr_settings_len); 28278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (decrypted == NULL) { 28288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Failed to decrypt Encrypted " 28298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Settings attribute"); 28308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 28318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 28328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m7_encr(decrypted, wps->wps->ap || wps->er, 28358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr->version2 != NULL) < 0) { 28368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 28378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 28388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 28398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Processing decrypted Encrypted Settings " 28428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "attribute"); 28438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(decrypted, &eattr) < 0 || 28448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_key_wrap_auth(wps, decrypted, eattr.key_wrap_auth) || 28458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_e_snonce2(wps, eattr.e_snonce2) || 28468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_ap_settings_r(wps, &eattr)) { 28478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 28488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 28498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 28508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 28538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M8; 28558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 28568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 28578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_wsc_msg(struct wps_data *wps, 28608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg) 28618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 28628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 28638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum wps_process_res ret = WPS_CONTINUE; 28648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received WSC_MSG"); 28668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0) 28688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 28698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.msg_type == NULL) { 28718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute"); 28728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 28738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 28748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*attr.msg_type != WPS_M1 && 28778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (attr.registrar_nonce == NULL || 28788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(wps->nonce_r, attr.registrar_nonce, 287961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt WPS_NONCE_LEN) != 0)) { 28808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in registrar nonce"); 28818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 28828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (*attr.msg_type) { 28858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_M1: 28868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m1(msg) < 0) 28878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 28888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 28898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && attr.mac_addr) { 28908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Remove old pending messages when starting new run */ 28918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_free_pending_msgs(wps->wps->upnp_msgs); 28928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->upnp_msgs = NULL; 28938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt upnp_wps_device_send_wlan_event( 28958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->wps_upnp, attr.mac_addr, 28968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt UPNP_WPS_WLANEVENT_TYPE_EAP, msg); 28978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 28998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wps_process_m1(wps, &attr); 29008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 29018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_M3: 29028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m3(msg) < 0) 29038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wps_process_m3(wps, msg, &attr); 29058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret == WPS_FAILURE || wps->state == SEND_WSC_NACK) 29068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M3, wps->config_error, 2907b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 29088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 29098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_M5: 29108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m5(msg) < 0) 29118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wps_process_m5(wps, msg, &attr); 29138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret == WPS_FAILURE || wps->state == SEND_WSC_NACK) 29148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M5, wps->config_error, 2915b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 29168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 29178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_M7: 29188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m7(msg) < 0) 29198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wps_process_m7(wps, msg, &attr); 29218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret == WPS_FAILURE || wps->state == SEND_WSC_NACK) 29228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M7, wps->config_error, 2923b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 29248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 29258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 29268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unsupported Message Type %d", 29278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.msg_type); 29288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret == WPS_CONTINUE) { 29328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Save a copy of the last message for Authenticator derivation 29338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 29348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(wps->last_msg); 29358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->last_msg = wpabuf_dup(msg); 29368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ret; 29398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 29408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_wsc_ack(struct wps_data *wps, 29438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg) 29448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 29458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 29468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received WSC_ACK"); 29488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0) 29508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.msg_type == NULL) { 29538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute"); 29548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*attr.msg_type != WPS_WSC_ACK) { 29588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalid Message Type %d", 29598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.msg_type); 29608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 29648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && wps->ext_reg && wps->state == RECV_M2D_ACK && 29658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt upnp_wps_subscribers(wps->wps->wps_upnp)) { 29668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->upnp_msgs) 29678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 29688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Wait for response from an " 29698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "external Registrar"); 29708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_PENDING; 29718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 29738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.registrar_nonce == NULL || 297561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_r, attr.registrar_nonce, WPS_NONCE_LEN) != 0) 29768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 29778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in registrar nonce"); 29788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.enrollee_nonce == NULL || 298261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_e, attr.enrollee_nonce, WPS_NONCE_LEN) != 0) { 29838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in enrollee nonce"); 29848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state == RECV_M2D_ACK) { 29888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 29898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && 29908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt upnp_wps_subscribers(wps->wps->wps_upnp)) { 29918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->upnp_msgs) 29928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 29938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ext_reg == 0) 29948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->ext_reg = 1; 29958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Wait for response from an " 29968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "external Registrar"); 29978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_PENDING; 29988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 30008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No more registrars available - " 30028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "terminate negotiation"); 30038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 30078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_wsc_nack(struct wps_data *wps, 30108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg) 30118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 30128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 30138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int old_state; 30148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 config_error; 30158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received WSC_NACK"); 30178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt old_state = wps->state; 30198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 30208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0) 30228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.msg_type == NULL) { 30258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute"); 30268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*attr.msg_type != WPS_WSC_NACK) { 30308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalid Message Type %d", 30318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.msg_type); 30328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 30368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && wps->ext_reg) { 30378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Negotiation using external " 30388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Registrar terminated by the Enrollee"); 30398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 30428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.registrar_nonce == NULL || 304461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_r, attr.registrar_nonce, WPS_NONCE_LEN) != 0) 30458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 30468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in registrar nonce"); 30478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.enrollee_nonce == NULL || 305161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_e, attr.enrollee_nonce, WPS_NONCE_LEN) != 0) { 30528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in enrollee nonce"); 30538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.config_error == NULL) { 30578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Configuration Error attribute " 30588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "in WSC_NACK"); 30598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt config_error = WPA_GET_BE16(attr.config_error); 30638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee terminated negotiation with " 30648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Configuration Error %d", config_error); 30658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (old_state) { 30678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case RECV_M3: 30688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M2, config_error, 3069b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 30708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 30718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case RECV_M5: 30728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M4, config_error, 3073b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 30748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 30758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case RECV_M7: 30768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M6, config_error, 3077b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 30788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 30798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case RECV_DONE: 30808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M8, config_error, 3081b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 30828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 30838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 30848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 30858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 30898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_wsc_done(struct wps_data *wps, 30928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg) 30938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 30948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 30958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received WSC_Done"); 30978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state != RECV_DONE && 30998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (!wps->wps->wps_upnp || !wps->ext_reg)) { 31008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for " 31018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "receiving WSC_Done", wps->state); 31028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0) 31068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.msg_type == NULL) { 31098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute"); 31108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*attr.msg_type != WPS_WSC_DONE) { 31148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalid Message Type %d", 31158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.msg_type); 31168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 31208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && wps->ext_reg) { 31218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Negotiation using external " 31228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Registrar completed successfully"); 31238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_device_store(wps->wps->registrar, &wps->peer_dev, 31248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->uuid_e); 31258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_DONE; 31268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 31288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.registrar_nonce == NULL || 313061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_r, attr.registrar_nonce, WPS_NONCE_LEN) != 0) 31318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 31328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in registrar nonce"); 31338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.enrollee_nonce == NULL || 313761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_e, attr.enrollee_nonce, WPS_NONCE_LEN) != 0) { 31388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in enrollee nonce"); 31398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Negotiation completed successfully"); 31438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_device_store(wps->wps->registrar, &wps->peer_dev, 31448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->uuid_e); 31458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_state == WPS_STATE_NOT_CONFIGURED && wps->new_psk && 31478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->ap && !wps->wps->registrar->disable_auto_conf) { 31488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_credential cred; 31498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Moving to Configured state based " 31518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "on first Enrollee connection"); 31528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(&cred, 0, sizeof(cred)); 31548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(cred.ssid, wps->wps->ssid, wps->wps->ssid_len); 31558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred.ssid_len = wps->wps->ssid_len; 31568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred.auth_type = WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK; 31578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred.encr_type = WPS_ENCR_TKIP | WPS_ENCR_AES; 31588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(cred.key, wps->new_psk, wps->new_psk_len); 31598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred.key_len = wps->new_psk_len; 31608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->wps_state = WPS_STATE_CONFIGURED; 31628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_ascii_key(MSG_DEBUG, 31638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "WPS: Generated random passphrase", 31648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk, wps->new_psk_len); 31658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->cred_cb) 31668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->cred_cb(wps->wps->cb_ctx, &cred); 31678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wps->new_psk); 31698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk = NULL; 31708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!wps->wps->ap && !wps->er) 31738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_sta_cred_cb(wps); 31748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->new_psk) { 31768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_cb_new_psk(wps->wps->registrar, wps->mac_addr_e, 3177391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt wps->p2p_dev_addr, wps->new_psk, 3178391c59f0632df8db1c325da1d31d479b2eedce45Dmitry Shmidt wps->new_psk_len)) { 31798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Failed to configure the " 31808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "new PSK"); 31818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wps->new_psk); 31838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk = NULL; 31848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 318604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_cb_reg_success(wps->wps->registrar, wps->mac_addr_e, wps->uuid_e, 318704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps->dev_password, wps->dev_password_len); 31888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->pbc) { 31908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_pbc_session(wps->wps->registrar, 31911f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->uuid_e, 31921f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->p2p_dev_addr); 31938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pbc_completed(wps->wps->registrar); 3194d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt os_get_time(&wps->wps->registrar->pbc_ignore_start); 3195d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt os_memcpy(wps->wps->registrar->pbc_ignore_uuid, wps->uuid_e, 3196d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt WPS_UUID_LEN); 31978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 31988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pin_completed(wps->wps->registrar); 31998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 32008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: maintain AuthorizedMACs somewhere separately for each ER and 32018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * merge them into APs own list.. */ 32028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3203b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps_success_event(wps->wps, wps->mac_addr_e); 32048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_DONE; 32068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 32078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtenum wps_process_res wps_registrar_process_msg(struct wps_data *wps, 32108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum wsc_op_code op_code, 32118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg) 32128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 32138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum wps_process_res ret; 32148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Processing received message (len=%lu " 32168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "op_code=%d)", 32178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) wpabuf_len(msg), op_code); 32188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 32208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && op_code == WSC_MSG && wps->ext_reg == 1) { 32218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 32228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) == 0 && attr.msg_type && 32238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.msg_type == WPS_M3) 32248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->ext_reg = 2; /* past M2/M2D phase */ 32258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 32268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ext_reg > 1) 32278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_free_pending_m2(wps->wps); 32288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && wps->ext_reg && 32298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->upnp_msgs == NULL && 32308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (op_code == WSC_MSG || op_code == WSC_Done || op_code == WSC_NACK)) 32318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 32328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 32338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int type; 32348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0 || attr.msg_type == NULL) 32358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt type = -1; 32368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 32378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt type = *attr.msg_type; 32388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Sending received message (type %d)" 32398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt " to external Registrar for processing", type); 32408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt upnp_wps_device_send_wlan_event(wps->wps->wps_upnp, 32418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->mac_addr_e, 32428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt UPNP_WPS_WLANEVENT_TYPE_EAP, 32438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg); 32448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (op_code == WSC_MSG) 32458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_PENDING; 32468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (wps->wps->wps_upnp && wps->ext_reg && op_code == WSC_MSG) { 32478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Skip internal processing - using " 32488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "external Registrar"); 32498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 32508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 32518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 32528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (op_code) { 32548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WSC_MSG: 32558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_process_wsc_msg(wps, msg); 32568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WSC_ACK: 32578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_wsc_ack(msg) < 0) 32588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 32598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_process_wsc_ack(wps, msg); 32608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WSC_NACK: 32618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_wsc_nack(msg) < 0) 32628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 32638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_process_wsc_nack(wps, msg); 32648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WSC_Done: 32658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_wsc_done(msg) < 0) 32668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 32678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wps_process_wsc_done(wps, msg); 32688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret == WPS_FAILURE) { 32698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 32708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_WSC_DONE, 32718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error, 3272b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps->error_indication, wps->mac_addr_e); 32738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 32748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ret; 32758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 32768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unsupported op_code %d", op_code); 32778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 32788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 32798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 32808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_update_ie(struct wps_registrar *reg) 32838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 32848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_set_ie(reg); 32858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 32868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_set_selected_timeout(void *eloop_ctx, 32898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *timeout_ctx) 32908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 32918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar *reg = eloop_ctx; 32928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Selected Registrar timeout - " 32948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "unselect internal Registrar"); 32958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar = 0; 32968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc = 0; 32974b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 32988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 32998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 33028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_sel_reg_add(struct wps_registrar *reg, 33038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct subscription *s) 33048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 33058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i, j; 33068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: External Registrar selected (dev_pw_id=%d " 33078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "config_methods=0x%x)", 33088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt s->dev_password_id, s->config_methods); 33098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_union = 1; 33108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->sel_reg_dev_password_id_override != DEV_PW_PUSHBUTTON) 33118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_dev_password_id_override = s->dev_password_id; 33128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->sel_reg_config_methods_override == -1) 33138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_config_methods_override = 0; 33148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_config_methods_override |= s->config_methods; 33158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < WPS_MAX_AUTHORIZED_MACS; i++) 33168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (is_zero_ether_addr(reg->authorized_macs_union[i])) 33178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 33188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (j = 0; i < WPS_MAX_AUTHORIZED_MACS && j < WPS_MAX_AUTHORIZED_MACS; 33198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt j++) { 33208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (is_zero_ether_addr(s->authorized_macs[j])) 33218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 33228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Add authorized MAC into union: " 33238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MACSTR, MAC2STR(s->authorized_macs[j])); 33248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(reg->authorized_macs_union[i], 33258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt s->authorized_macs[j], ETH_ALEN); 33268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt i++; 33278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 33288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Authorized MACs union", 33298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) reg->authorized_macs_union, 33308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(reg->authorized_macs_union)); 33318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 33328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 33338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_sel_reg_union(struct wps_registrar *reg) 33368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 33378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 33388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct subscription *s; 33398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->wps->wps_upnp == NULL) 33418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 33428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each(s, ®->wps->wps_upnp->subscriptions, 33448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct subscription, list) { 33458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct subscr_addr *sa; 33468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sa = dl_list_first(&s->addr_list, struct subscr_addr, list); 33478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sa) { 33488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: External Registrar %s:%d", 33498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt inet_ntoa(sa->saddr.sin_addr), 33508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ntohs(sa->saddr.sin_port)); 33518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 33528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (s->selected_registrar) 33538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_sel_reg_add(reg, s); 33548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 33558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: External Registrar not " 33568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "selected"); 33578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 33588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 33598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 33608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 33638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_selected_registrar_changed - SetSelectedRegistrar change 33648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 33658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 33668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called when selected registrar state changes, e.g., when an 33678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * AP receives a SetSelectedRegistrar UPnP message. 33688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 33694b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidtvoid wps_registrar_selected_registrar_changed(struct wps_registrar *reg, 33704b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt u16 dev_pw_id) 33718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 33728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Selected registrar information changed"); 33738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_union = reg->selected_registrar; 33758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_dev_password_id_override = -1; 33768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_config_methods_override = -1; 33778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(reg->authorized_macs_union, reg->authorized_macs, 33788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_MAX_AUTHORIZED_MACS * ETH_ALEN); 33798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Authorized MACs union (start with own)", 33808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) reg->authorized_macs_union, 33818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(reg->authorized_macs_union)); 33828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->selected_registrar) { 33838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 methods; 33848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods = reg->wps->config_methods & ~WPS_CONFIG_PUSHBUTTON; 33868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS2 33878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON | 33888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_CONFIG_PHY_PUSHBUTTON); 33898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS2 */ 33908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->pbc) { 33918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_dev_password_id_override = 33928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt DEV_PW_PUSHBUTTON; 33938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_set_pushbutton(&methods, reg->wps->config_methods); 33944b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt } else if (dev_pw_id) 33954b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt reg->sel_reg_dev_password_id_override = dev_pw_id; 33968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Internal Registrar selected " 33978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "(pbc=%d)", reg->pbc); 33988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_config_methods_override = methods; 33998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else 34008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Internal Registrar not selected"); 34018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_sel_reg_union(reg); 34038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_set_ie(reg); 34058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_cb_set_sel_reg(reg); 34068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 34078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_get_info(struct wps_registrar *reg, const u8 *addr, 34108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *buf, size_t buflen) 34118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 34128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar_device *d; 34138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int len = 0, ret; 34148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char uuid[40]; 34158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char devtype[WPS_DEV_TYPE_BUFSIZE]; 34168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d = wps_device_get(reg, addr); 34188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (d == NULL) 34198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 34208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (uuid_bin2str(d->uuid, uuid, sizeof(uuid))) 34218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 34228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(buf + len, buflen - len, 34248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsUuid=%s\n" 34258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsPrimaryDeviceType=%s\n" 34268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsDeviceName=%s\n" 34278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsManufacturer=%s\n" 34288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsModelName=%s\n" 34298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsModelNumber=%s\n" 34308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsSerialNumber=%s\n", 34318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt uuid, 34328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_dev_type_bin2str(d->dev.pri_dev_type, devtype, 34338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(devtype)), 34348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d->dev.device_name ? d->dev.device_name : "", 34358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d->dev.manufacturer ? d->dev.manufacturer : "", 34368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d->dev.model_name ? d->dev.model_name : "", 34378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d->dev.model_number ? d->dev.model_number : "", 34388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d->dev.serial_number ? d->dev.serial_number : ""); 34398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || (size_t) ret >= buflen - len) 34408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 34418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len += ret; 34428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 34448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 34458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_config_ap(struct wps_registrar *reg, 34488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_credential *cred) 34498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 34508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS2 34518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("encr_type=0x%x\n", cred->encr_type); 34528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!(cred->encr_type & (WPS_ENCR_NONE | WPS_ENCR_TKIP | 34538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_ENCR_AES))) { 34548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cred->encr_type & WPS_ENCR_WEP) { 34558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "WPS: Reject new AP settings " 34568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "due to WEP configuration"); 34578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 34588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 34598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "WPS: Reject new AP settings due to " 34618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "invalid encr_type 0x%x", cred->encr_type); 34628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 34638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 34648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((cred->encr_type & (WPS_ENCR_TKIP | WPS_ENCR_AES)) == 34668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_ENCR_TKIP) { 34678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Upgrade encr_type TKIP -> " 34688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "TKIP+AES"); 34698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->encr_type |= WPS_ENCR_AES; 34708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 34718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) == 34738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_AUTH_WPAPSK) { 34748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Upgrade auth_type WPAPSK -> " 34758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "WPAPSK+WPA2PSK"); 34768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->auth_type |= WPS_AUTH_WPA2PSK; 34778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 34788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS2 */ 34798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->wps->cred_cb) 34818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return reg->wps->cred_cb(reg->wps->cb_ctx, cred); 34828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 34848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 348504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 348604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 348704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#ifdef CONFIG_WPS_NFC 348804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 348904949598a23f501be6eec21697465fd46a28840aDmitry Shmidtint wps_registrar_add_nfc_pw_token(struct wps_registrar *reg, 349004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *pubkey_hash, u16 pw_id, 349104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *dev_pw, size_t dev_pw_len) 349204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 349304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct wps_nfc_pw_token *token; 349404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 349504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (dev_pw_len > WPS_OOB_DEVICE_PASSWORD_LEN) 349604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return -1; 349704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 349804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_free_nfc_pw_tokens(®->nfc_pw_tokens, pw_id); 349904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 350004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt token = os_zalloc(sizeof(*token)); 350104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (token == NULL) 350204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return -1; 350304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 350404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt os_memcpy(token->pubkey_hash, pubkey_hash, WPS_OOB_PUBKEY_HASH_LEN); 350504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt token->pw_id = pw_id; 350633e38bfa7159cef089d6ee0d904778e184c72c47Dmitry Shmidt wpa_snprintf_hex_uppercase((char *) token->dev_pw, 350733e38bfa7159cef089d6ee0d904778e184c72c47Dmitry Shmidt sizeof(token->dev_pw), 350833e38bfa7159cef089d6ee0d904778e184c72c47Dmitry Shmidt dev_pw, dev_pw_len); 350933e38bfa7159cef089d6ee0d904778e184c72c47Dmitry Shmidt token->dev_pw_len = dev_pw_len * 2; 351004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 351104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dl_list_add(®->nfc_pw_tokens, &token->list); 351204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 351304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt reg->selected_registrar = 1; 351404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt reg->pbc = 0; 351504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_registrar_add_authorized_mac(reg, 351604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt (u8 *) "\xff\xff\xff\xff\xff\xff"); 35174b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, pw_id); 351804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL); 351904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt eloop_register_timeout(WPS_PBC_WALK_TIME, 0, 352004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_registrar_set_selected_timeout, 352104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt reg, NULL); 352204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 35234b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Added NFC Device Password %u to Registrar", 35244b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt pw_id); 35254b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt 352604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return 0; 352704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 352804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 352904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 353004949598a23f501be6eec21697465fd46a28840aDmitry Shmidtint wps_registrar_add_nfc_password_token(struct wps_registrar *reg, 353104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *oob_dev_pw, 353204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t oob_dev_pw_len) 353304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 353404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *pos, *hash, *dev_pw; 353504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt u16 id; 353604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t dev_pw_len; 353704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 353804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (oob_dev_pw_len < WPS_OOB_PUBKEY_HASH_LEN + 2 + 353904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt WPS_OOB_DEVICE_PASSWORD_MIN_LEN || 354004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt oob_dev_pw_len > WPS_OOB_PUBKEY_HASH_LEN + 2 + 354104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt WPS_OOB_DEVICE_PASSWORD_LEN) 354204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return -1; 354304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 354404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt hash = oob_dev_pw; 354504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt pos = oob_dev_pw + WPS_OOB_PUBKEY_HASH_LEN; 354604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt id = WPA_GET_BE16(pos); 354704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dev_pw = pos + 2; 354804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dev_pw_len = oob_dev_pw + oob_dev_pw_len - dev_pw; 354904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 355004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Add NFC Password Token for Password ID %u", 355104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt id); 355204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 355304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Public Key Hash", 355404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt hash, WPS_OOB_PUBKEY_HASH_LEN); 355504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: Device Password", dev_pw, dev_pw_len); 355604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 355704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return wps_registrar_add_nfc_pw_token(reg, hash, id, dev_pw, 355804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dev_pw_len); 355904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 356004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 356104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 356204949598a23f501be6eec21697465fd46a28840aDmitry Shmidtvoid wps_registrar_remove_nfc_pw_token(struct wps_registrar *reg, 356304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct wps_nfc_pw_token *token) 356404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 356504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_registrar_remove_authorized_mac(reg, 356604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt (u8 *) "\xff\xff\xff\xff\xff\xff"); 35674b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 356804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 356904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 357004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#endif /* CONFIG_WPS_NFC */ 3571