wps_registrar.c revision 4b06059785b935dd1f4f09314e4e12c417d2c6a4
18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Wi-Fi Protected Setup - Registrar 304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt * Copyright (c) 2008-2012, 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 1458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int (*new_psk_cb)(void *ctx, const u8 *mac_addr, const u8 *psk, 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 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; 1748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar_device *devices; 1768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int force_pbc_overlap; 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 authorized_macs[WPS_MAX_AUTHORIZED_MACS][ETH_ALEN]; 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 authorized_macs_union[WPS_MAX_AUTHORIZED_MACS][ETH_ALEN]; 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 p2p_dev_addr[ETH_ALEN]; 183d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 184d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt u8 pbc_ignore_uuid[WPS_UUID_LEN]; 185d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt struct os_time pbc_ignore_start; 1868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_set_ie(struct wps_registrar *reg); 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_pbc_timeout(void *eloop_ctx, void *timeout_ctx); 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_set_selected_timeout(void *eloop_ctx, 1928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *timeout_ctx); 193d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidtstatic void wps_registrar_remove_pin(struct wps_registrar *reg, 194d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt struct wps_uuid_pin *pin); 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_add_authorized_mac(struct wps_registrar *reg, 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr) 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Add authorized MAC " MACSTR, 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(addr)); 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < WPS_MAX_AUTHORIZED_MACS; i++) 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(reg->authorized_macs[i], addr, ETH_ALEN) == 0) { 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Authorized MAC was " 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "already in the list"); 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; /* already in list */ 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = WPS_MAX_AUTHORIZED_MACS - 1; i > 0; i--) 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(reg->authorized_macs[i], reg->authorized_macs[i - 1], 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ETH_ALEN); 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(reg->authorized_macs[0], addr, ETH_ALEN); 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Authorized MACs", 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) reg->authorized_macs, sizeof(reg->authorized_macs)); 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_remove_authorized_mac(struct wps_registrar *reg, 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr) 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Remove authorized MAC " MACSTR, 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(addr)); 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < WPS_MAX_AUTHORIZED_MACS; i++) { 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(reg->authorized_macs, addr, ETH_ALEN) == 0) 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 2278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (i == WPS_MAX_AUTHORIZED_MACS) { 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Authorized MAC was not in the " 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "list"); 2318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; /* not in the list */ 2328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (; i + 1 < WPS_MAX_AUTHORIZED_MACS; i++) 2348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(reg->authorized_macs[i], reg->authorized_macs[i + 1], 2358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ETH_ALEN); 2368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(reg->authorized_macs[WPS_MAX_AUTHORIZED_MACS - 1], 0, 2378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ETH_ALEN); 2388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Authorized MACs", 2398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) reg->authorized_macs, sizeof(reg->authorized_macs)); 2408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_free_devices(struct wps_registrar_device *dev) 2448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar_device *prev; 2468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (dev) { 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = dev; 2498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dev = dev->next; 2508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_device_data_free(&prev->dev); 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(prev); 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wps_registrar_device * wps_device_get(struct wps_registrar *reg, 2578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr) 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar_device *dev; 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (dev = reg->devices; dev; dev = dev->next) { 2628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(dev->dev.mac_addr, addr, ETH_ALEN) == 0) 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return dev; 2648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 2668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_device_clone_data(struct wps_device_data *dst, 2708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_device_data *src) 2718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dst->mac_addr, src->mac_addr, ETH_ALEN); 2738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dst->pri_dev_type, src->pri_dev_type, WPS_DEV_TYPE_LEN); 2748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define WPS_STRDUP(n) \ 2768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(dst->n); \ 2778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dst->n = src->n ? os_strdup(src->n) : NULL 2788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_STRDUP(device_name); 2808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_STRDUP(manufacturer); 2818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_STRDUP(model_name); 2828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_STRDUP(model_number); 2838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_STRDUP(serial_number); 2848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#undef WPS_STRDUP 2858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_device_store(struct wps_registrar *reg, 2898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_device_data *dev, const u8 *uuid) 2908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar_device *d; 2928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d = wps_device_get(reg, dev->mac_addr); 2948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (d == NULL) { 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d = os_zalloc(sizeof(*d)); 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (d == NULL) 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 2988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d->next = reg->devices; 2998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->devices = d; 3008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_device_clone_data(&d->dev, dev); 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(d->uuid, uuid, WPS_UUID_LEN); 3048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 3068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_add_pbc_session(struct wps_registrar *reg, 3108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr, const u8 *uuid_e) 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_pbc_session *pbc, *prev = NULL; 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct os_time now; 3148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_get_time(&now); 3168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = reg->pbc_sessions; 3188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (pbc) { 3198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(pbc->addr, addr, ETH_ALEN) == 0 && 3208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(pbc->uuid_e, uuid_e, WPS_UUID_LEN) == 0) { 3218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (prev) 3228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev->next = pbc->next; 3238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 3248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc_sessions = pbc->next; 3258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = pbc; 3288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = pbc->next; 3298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!pbc) { 3328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = os_zalloc(sizeof(*pbc)); 3338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pbc == NULL) 3348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pbc->addr, addr, ETH_ALEN); 3368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (uuid_e) 3378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pbc->uuid_e, uuid_e, WPS_UUID_LEN); 3388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc->next = reg->pbc_sessions; 3418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc_sessions = pbc; 3428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc->timestamp = now; 3438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* remove entries that have timed out */ 3458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = pbc; 3468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = pbc->next; 3478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (pbc) { 3498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (now.sec > pbc->timestamp.sec + WPS_PBC_WALK_TIME) { 3508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev->next = NULL; 3518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_free_pbc_sessions(pbc); 3528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = pbc; 3558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = pbc->next; 3568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_remove_pbc_session(struct wps_registrar *reg, 3611f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const u8 *uuid_e, 3621f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const u8 *p2p_dev_addr) 3638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_pbc_session *pbc, *prev = NULL, *tmp; 3658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = reg->pbc_sessions; 3678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (pbc) { 3681f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (os_memcmp(pbc->uuid_e, uuid_e, WPS_UUID_LEN) == 0 || 36998f9e76624da6bb96edc1982c423e4a119c5170aDmitry Shmidt#ifdef ANDROID_P2P 37098f9e76624da6bb96edc1982c423e4a119c5170aDmitry Shmidt (p2p_dev_addr && !is_zero_ether_addr(pbc->addr) && 37198f9e76624da6bb96edc1982c423e4a119c5170aDmitry Shmidt os_memcmp(pbc->addr, p2p_dev_addr, ETH_ALEN) == 37298f9e76624da6bb96edc1982c423e4a119c5170aDmitry Shmidt#else 3731f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt (p2p_dev_addr && !is_zero_ether_addr(reg->p2p_dev_addr) && 3741f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_memcmp(reg->p2p_dev_addr, p2p_dev_addr, ETH_ALEN) == 37598f9e76624da6bb96edc1982c423e4a119c5170aDmitry Shmidt#endif 3761f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 0)) { 3778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (prev) 3788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev->next = pbc->next; 3798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 3808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc_sessions = pbc->next; 3818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tmp = pbc; 3828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = pbc->next; 3838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Removing PBC session for " 3848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "addr=" MACSTR, MAC2STR(tmp->addr)); 3858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Removed UUID-E", 3868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tmp->uuid_e, WPS_UUID_LEN); 3878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(tmp); 3888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt continue; 3898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = pbc; 3918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc = pbc->next; 3928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_pbc_overlap(struct wps_registrar *reg, 3978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr, const u8 *uuid_e) 3988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int count = 0; 4008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_pbc_session *pbc; 4018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_pbc_session *first = NULL; 4028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct os_time now; 4038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_get_time(&now); 4058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Checking active PBC sessions for overlap"); 4078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (uuid_e) { 4098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Add one for the requested UUID"); 4108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Requested UUID", 4118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt uuid_e, WPS_UUID_LEN); 4128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt count++; 4138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (pbc = reg->pbc_sessions; pbc; pbc = pbc->next) { 4168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Consider PBC session with " MACSTR, 4178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(pbc->addr)); 4188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: UUID-E", 4198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pbc->uuid_e, WPS_UUID_LEN); 4208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (now.sec > pbc->timestamp.sec + WPS_PBC_WALK_TIME) { 4218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC walk time has " 4228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "expired"); 4238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (first && 4268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(pbc->uuid_e, first->uuid_e, WPS_UUID_LEN) == 0) { 4278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Same Enrollee"); 4288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt continue; /* same Enrollee */ 4298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (uuid_e == NULL || 4318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(uuid_e, pbc->uuid_e, WPS_UUID_LEN)) { 4328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: New Enrollee"); 4338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt count++; 4348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (first == NULL) 4368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt first = pbc; 4378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: %u active PBC session(s) found", count); 4408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return count > 1 ? 1 : 0; 4428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_wps_state(struct wps_context *wps, struct wpabuf *msg) 4468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Wi-Fi Protected Setup State (%d)", 4488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps_state); 4498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_WPS_STATE); 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 1); 4518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(msg, wps->wps_state); 4528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 4538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 4578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_free_pending_m2(struct wps_context *wps) 4588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct upnp_pending_message *p, *p2, *prev = NULL; 4608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p = wps->upnp_msgs; 4618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (p) { 4628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (p->type == WPS_M2 || p->type == WPS_M2D) { 4638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (prev == NULL) 4648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->upnp_msgs = p->next; 4658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 4668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev->next = p->next; 4678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS UPnP: Drop pending M2/M2D"); 4688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p2 = p; 4698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p = p->next; 4708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(p2->msg); 4718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(p2); 4728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt continue; 4738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = p; 4758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p = p->next; 4768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 4798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_ap_setup_locked(struct wps_context *wps, 4828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg) 4838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ap_setup_locked && wps->ap_setup_locked != 2) { 4858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * AP Setup Locked"); 4868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_AP_SETUP_LOCKED); 4878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 1); 4888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(msg, 1); 4898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 4918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_selected_registrar(struct wps_registrar *reg, 4958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg) 4968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!reg->sel_reg_union) 4988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 4998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Selected Registrar"); 5008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_SELECTED_REGISTRAR); 5018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 1); 5028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(msg, 1); 5038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 5048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_sel_reg_dev_password_id(struct wps_registrar *reg, 5088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg) 5098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 id = reg->pbc ? DEV_PW_PUSHBUTTON : DEV_PW_DEFAULT; 5118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!reg->sel_reg_union) 5128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 5138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->sel_reg_dev_password_id_override >= 0) 5148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt id = reg->sel_reg_dev_password_id_override; 5158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Device Password ID (%d)", id); 5168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_DEV_PASSWORD_ID); 5178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 2); 5188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, id); 5198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 5208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_sel_pbc_reg_uuid_e(struct wps_registrar *reg, 5248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg) 5258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 id = reg->pbc ? DEV_PW_PUSHBUTTON : DEV_PW_DEFAULT; 5278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!reg->sel_reg_union) 5288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 5298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->sel_reg_dev_password_id_override >= 0) 5308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt id = reg->sel_reg_dev_password_id_override; 5318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (id != DEV_PW_PUSHBUTTON || !reg->dualband) 5328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 5338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_build_uuid_e(msg, reg->wps->uuid); 5348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_set_pushbutton(u16 *methods, u16 conf_methods) 5388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *methods |= WPS_CONFIG_PUSHBUTTON; 5408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS2 54104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if ((conf_methods & WPS_CONFIG_VIRT_PUSHBUTTON) == 54204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt WPS_CONFIG_VIRT_PUSHBUTTON) 5438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *methods |= WPS_CONFIG_VIRT_PUSHBUTTON; 54404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if ((conf_methods & WPS_CONFIG_PHY_PUSHBUTTON) == 54504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt WPS_CONFIG_PHY_PUSHBUTTON) 5468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *methods |= WPS_CONFIG_PHY_PUSHBUTTON; 54704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if ((*methods & WPS_CONFIG_VIRT_PUSHBUTTON) != 54804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt WPS_CONFIG_VIRT_PUSHBUTTON && 54904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt (*methods & WPS_CONFIG_PHY_PUSHBUTTON) != 55004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt WPS_CONFIG_PHY_PUSHBUTTON) { 5518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 5528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Required to include virtual/physical flag, but we were not 5538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * configured with push button type, so have to default to one 5548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * of them. 5558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 5568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *methods |= WPS_CONFIG_PHY_PUSHBUTTON; 5578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS2 */ 5598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_sel_reg_config_methods(struct wps_registrar *reg, 5638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg) 5648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 methods; 5668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!reg->sel_reg_union) 5678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 5688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods = reg->wps->config_methods; 5698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods &= ~WPS_CONFIG_PUSHBUTTON; 5708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS2 5718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON | 5728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_CONFIG_PHY_PUSHBUTTON); 5738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS2 */ 5748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->pbc) 5758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_set_pushbutton(&methods, reg->wps->config_methods); 5768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->sel_reg_config_methods_override >= 0) 5778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods = reg->sel_reg_config_methods_override; 5788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Selected Registrar Config Methods (%x)", 5798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods); 5808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_SELECTED_REGISTRAR_CONFIG_METHODS); 5818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 2); 5828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, methods); 5838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 5848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_probe_config_methods(struct wps_registrar *reg, 5888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg) 5898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 methods; 5918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 5928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * These are the methods that the AP supports as an Enrollee for adding 5938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * external Registrars. 5948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 5958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods = reg->wps->config_methods & ~WPS_CONFIG_PUSHBUTTON; 5968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS2 5978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON | 5988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_CONFIG_PHY_PUSHBUTTON); 5998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS2 */ 6008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Config Methods (%x)", methods); 6018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_CONFIG_METHODS); 6028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 2); 6038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, methods); 6048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 6058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_config_methods_r(struct wps_registrar *reg, 6098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg) 6108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6111f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return wps_build_config_methods(msg, reg->wps->config_methods); 6128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtconst u8 * wps_authorized_macs(struct wps_registrar *reg, size_t *count) 6168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *count = 0; 6188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS2 6208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (*count < WPS_MAX_AUTHORIZED_MACS) { 6218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (is_zero_ether_addr(reg->authorized_macs_union[*count])) 6228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 6238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (*count)++; 6248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS2 */ 6268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return (const u8 *) reg->authorized_macs_union; 6288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 6328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_init - Initialize WPS Registrar data 6338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @wps: Pointer to longterm WPS context 6348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @cfg: Registrar configuration 6358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Pointer to allocated Registrar data or %NULL on failure 6368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 6378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is used to initialize WPS Registrar functionality. It can be 6388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * used for a single Registrar run (e.g., when run in a supplicant) or multiple 6398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * runs (e.g., when run as an internal Registrar in an AP). Caller is 6408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * responsible for freeing the returned data with wps_registrar_deinit() when 6418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Registrar functionality is not needed anymore. 6428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 6438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wps_registrar * 6448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtwps_registrar_init(struct wps_context *wps, 6458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_registrar_config *cfg) 6468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar *reg = os_zalloc(sizeof(*reg)); 6488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg == NULL) 6498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 6508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_init(®->pins); 65204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dl_list_init(®->nfc_pw_tokens); 6538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->wps = wps; 6548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->new_psk_cb = cfg->new_psk_cb; 6558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->set_ie_cb = cfg->set_ie_cb; 6568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pin_needed_cb = cfg->pin_needed_cb; 6578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->reg_success_cb = cfg->reg_success_cb; 6588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->set_sel_reg_cb = cfg->set_sel_reg_cb; 6598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->enrollee_seen_cb = cfg->enrollee_seen_cb; 6608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->cb_ctx = cfg->cb_ctx; 6618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->skip_cred_build = cfg->skip_cred_build; 6628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cfg->extra_cred) { 6638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->extra_cred = wpabuf_alloc_copy(cfg->extra_cred, 6648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cfg->extra_cred_len); 6658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->extra_cred == NULL) { 6668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(reg); 6678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 6688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->disable_auto_conf = cfg->disable_auto_conf; 6718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_dev_password_id_override = -1; 6728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_config_methods_override = -1; 6738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->static_wep_only = cfg->static_wep_only; 6748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->dualband = cfg->dualband; 6758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_set_ie(reg)) { 6778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_deinit(reg); 6788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 6798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return reg; 6828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 6868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_deinit - Deinitialize WPS Registrar data 6878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 6888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 6898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid wps_registrar_deinit(struct wps_registrar *reg) 6908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg == NULL) 6928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_pbc_timeout, reg, NULL); 6948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL); 6958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_free_pins(®->pins); 69604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_free_nfc_pw_tokens(®->nfc_pw_tokens, 0); 6978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_free_pbc_sessions(reg->pbc_sessions); 6988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(reg->extra_cred); 6998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_free_devices(reg->devices); 7008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(reg); 7018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 7028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 704d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidtstatic void wps_registrar_invalidate_unused(struct wps_registrar *reg) 705d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt{ 706d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt struct wps_uuid_pin *pin; 707d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 708d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt dl_list_for_each(pin, ®->pins, struct wps_uuid_pin, list) { 709d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt if (pin->wildcard_uuid == 1 && !(pin->flags & PIN_LOCKED)) { 710d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalidate previously " 711d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt "configured wildcard PIN"); 712d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt wps_registrar_remove_pin(reg, pin); 713d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt break; 714d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt } 715d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt } 716d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt} 717d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 718d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 7198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 7208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_add_pin - Configure a new PIN for Registrar 7218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 7228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @addr: Enrollee MAC address or %NULL if not known 7238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @uuid: UUID-E or %NULL for wildcard (any UUID) 7248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @pin: PIN (Device Password) 7258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @pin_len: Length of pin in octets 7268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @timeout: Time (in seconds) when the PIN will be invalidated; 0 = no timeout 7278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 7288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 7298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_add_pin(struct wps_registrar *reg, const u8 *addr, 7308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *uuid, const u8 *pin, size_t pin_len, 7318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int timeout) 7328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 7338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *p; 7348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p = os_zalloc(sizeof(*p)); 7368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (p == NULL) 7378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 7388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (addr) 7398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(p->enrollee_addr, addr, ETH_ALEN); 7408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (uuid == NULL) 7418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p->wildcard_uuid = 1; 7428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 7438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(p->uuid, uuid, WPS_UUID_LEN); 7448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p->pin = os_malloc(pin_len); 7458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (p->pin == NULL) { 7468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(p); 7478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 7488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(p->pin, pin, pin_len); 7508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p->pin_len = pin_len; 7518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (timeout) { 7538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p->flags |= PIN_EXPIRES; 7548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_get_time(&p->expiration); 7558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p->expiration.sec += timeout; 7568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 758d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt if (p->wildcard_uuid) 759d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt wps_registrar_invalidate_unused(reg); 760d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 7618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_add(®->pins, &p->list); 7628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: A new PIN configured (timeout=%d)", 7648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt timeout); 7658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: UUID", uuid, WPS_UUID_LEN); 7668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_ascii_key(MSG_DEBUG, "WPS: PIN", pin, pin_len); 7678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar = 1; 7688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc = 0; 7698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (addr) 7708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_add_authorized_mac(reg, addr); 7718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 7728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_add_authorized_mac( 7738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg, (u8 *) "\xff\xff\xff\xff\xff\xff"); 7744b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 7758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL); 7768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(WPS_PBC_WALK_TIME, 0, 7778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_set_selected_timeout, 7788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg, NULL); 7798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 7818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 7828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_remove_pin(struct wps_registrar *reg, 7858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin) 7868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 7878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *addr; 7888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 bcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 7898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (is_zero_ether_addr(pin->enrollee_addr)) 7918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr = bcast; 7928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 7938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr = pin->enrollee_addr; 7948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_authorized_mac(reg, addr); 7958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_remove_pin(pin); 7964b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 7978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 7988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_expire_pins(struct wps_registrar *reg) 8018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin, *prev; 8038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct os_time now; 8048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_get_time(&now); 8068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each_safe(pin, prev, ®->pins, struct wps_uuid_pin, list) 8078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 8088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((pin->flags & PIN_EXPIRES) && 8098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_time_before(&pin->expiration, &now)) { 8108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Expired PIN for UUID", 8118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin->uuid, WPS_UUID_LEN); 8128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_pin(reg, pin); 8138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 8198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_invalidate_wildcard_pin - Invalidate a wildcard PIN 8208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 82104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt * @dev_pw: PIN to search for or %NULL to match any 82204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt * @dev_pw_len: Length of dev_pw in octets 8238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 if not wildcard PIN is enabled 8248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 82504949598a23f501be6eec21697465fd46a28840aDmitry Shmidtstatic int wps_registrar_invalidate_wildcard_pin(struct wps_registrar *reg, 82604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *dev_pw, 82704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t dev_pw_len) 8288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin, *prev; 8308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each_safe(pin, prev, ®->pins, struct wps_uuid_pin, list) 8328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 83304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (dev_pw && pin->pin && 83404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt (dev_pw_len != pin->pin_len || 83504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt os_memcmp(dev_pw, pin->pin, dev_pw_len) != 0)) 83604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt continue; /* different PIN */ 8378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pin->wildcard_uuid) { 8388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Invalidated PIN for UUID", 8398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin->uuid, WPS_UUID_LEN); 8408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_pin(reg, pin); 8418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 8428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 8468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 8508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_invalidate_pin - Invalidate a PIN for a specific UUID-E 8518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 8528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @uuid: UUID-E 8538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure (e.g., PIN not found) 8548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 8558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_invalidate_pin(struct wps_registrar *reg, const u8 *uuid) 8568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin, *prev; 8588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each_safe(pin, prev, ®->pins, struct wps_uuid_pin, list) 8608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 8618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(pin->uuid, uuid, WPS_UUID_LEN) == 0) { 8628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Invalidated PIN for UUID", 8638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin->uuid, WPS_UUID_LEN); 8648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_pin(reg, pin); 8658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 8668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 8708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const u8 * wps_registrar_get_pin(struct wps_registrar *reg, 8748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *uuid, size_t *pin_len) 8758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin, *found = NULL; 8778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_expire_pins(reg); 8798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each(pin, ®->pins, struct wps_uuid_pin, list) { 8818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!pin->wildcard_uuid && 8828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(pin->uuid, uuid, WPS_UUID_LEN) == 0) { 8838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt found = pin; 8848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 8858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!found) { 8898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Check for wildcard UUIDs since none of the UUID-specific 8908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * PINs matched */ 8918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each(pin, ®->pins, struct wps_uuid_pin, list) { 892c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt if (pin->wildcard_uuid == 1 || 893c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt pin->wildcard_uuid == 2) { 8948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Found a wildcard " 8958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "PIN. Assigned it for this UUID-E"); 896c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt pin->wildcard_uuid++; 8978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pin->uuid, uuid, WPS_UUID_LEN); 8988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt found = pin; 8998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 9008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!found) 9058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 9068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 9088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Lock the PIN to avoid attacks based on concurrent re-use of the PIN 9098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * that could otherwise avoid PIN invalidations. 9108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 9118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (found->flags & PIN_LOCKED) { 9128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Selected PIN locked - do not " 9138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "allow concurrent re-use"); 9148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 9158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pin_len = found->pin_len; 9178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt found->flags |= PIN_LOCKED; 9188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return found->pin; 9198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 9238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_unlock_pin - Unlock a PIN for a specific UUID-E 9248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 9258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @uuid: UUID-E 9268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 9278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 9288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * PINs are locked to enforce only one concurrent use. This function unlocks a 9298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * PIN to allow it to be used again. If the specified PIN was configured using 9308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * a wildcard UUID, it will be removed instead of allowing multiple uses. 9318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 9328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_unlock_pin(struct wps_registrar *reg, const u8 *uuid) 9338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_uuid_pin *pin; 9358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each(pin, ®->pins, struct wps_uuid_pin, list) { 9378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(pin->uuid, uuid, WPS_UUID_LEN) == 0) { 938c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt if (pin->wildcard_uuid == 3) { 9398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalidating used " 9408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wildcard PIN"); 9418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_registrar_invalidate_pin(reg, uuid); 9428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin->flags &= ~PIN_LOCKED; 9448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 9458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 9498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_stop_pbc(struct wps_registrar *reg) 9538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar = 0; 9558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc = 0; 9568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(reg->p2p_dev_addr, 0, ETH_ALEN); 9578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_authorized_mac(reg, 9588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) "\xff\xff\xff\xff\xff\xff"); 9594b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 9608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_pbc_timeout(void *eloop_ctx, void *timeout_ctx) 9648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar *reg = eloop_ctx; 9668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC timed out - disable PBC mode"); 9688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_pbc_timeout_event(reg->wps); 9698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_stop_pbc(reg); 9708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 9748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_button_pushed - Notify Registrar that AP button was pushed 9758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 9768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @p2p_dev_addr: Limit allowed PBC devices to the specified P2P device, %NULL 9778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * indicates no such filtering 9788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure, -2 on session overlap 9798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 9808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called on an AP when a push button is pushed to activate 9818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * PBC mode. The PBC mode will be stopped after walk time (2 minutes) timeout 9828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * or when a PBC registration is completed. If more than one Enrollee in active 9838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * PBC mode has been detected during the monitor time (previous 2 minutes), the 9841f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * PBC mode is not activated and -2 is returned to indicate session overlap. 9851f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * This is skipped if a specific Enrollee is selected. 9868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 9878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_button_pushed(struct wps_registrar *reg, 9888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *p2p_dev_addr) 9898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (p2p_dev_addr == NULL && 9918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pbc_overlap(reg, NULL, NULL)) { 9928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC overlap - do not start PBC " 9938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "mode"); 9948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_pbc_overlap_event(reg->wps); 9958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -2; 9968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Button pushed - PBC mode started"); 9988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->force_pbc_overlap = 0; 9998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar = 1; 10008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc = 1; 10018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (p2p_dev_addr) 10028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(reg->p2p_dev_addr, p2p_dev_addr, ETH_ALEN); 10038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 10048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(reg->p2p_dev_addr, 0, ETH_ALEN); 10058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_add_authorized_mac(reg, 10068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) "\xff\xff\xff\xff\xff\xff"); 10074b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 10088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL); 10108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_pbc_timeout, reg, NULL); 10118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wps_registrar_pbc_timeout, 10128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg, NULL); 10138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 10148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_pbc_completed(struct wps_registrar *reg) 10188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC completed - stopping PBC mode"); 10208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_pbc_timeout, reg, NULL); 10218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_stop_pbc(reg); 10228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_pin_completed(struct wps_registrar *reg) 10268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PIN completed using internal Registrar"); 10288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL); 10298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar = 0; 10304b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 10318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 103404949598a23f501be6eec21697465fd46a28840aDmitry Shmidtvoid wps_registrar_complete(struct wps_registrar *registrar, const u8 *uuid_e, 103504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *dev_pw, size_t dev_pw_len) 10361f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 10371f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (registrar->pbc) { 10381f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps_registrar_remove_pbc_session(registrar, 10391f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt uuid_e, NULL); 10401f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps_registrar_pbc_completed(registrar); 1041d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt os_get_time(®istrar->pbc_ignore_start); 1042d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt os_memcpy(registrar->pbc_ignore_uuid, uuid_e, WPS_UUID_LEN); 10431f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } else { 10441f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps_registrar_pin_completed(registrar); 10451f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 104604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 104704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (dev_pw && 104804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_registrar_invalidate_wildcard_pin(registrar, dev_pw, 104904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dev_pw_len) == 0) { 105004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: Invalidated wildcard PIN", 105104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dev_pw, dev_pw_len); 105204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 10531f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 10541f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 10551f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 10568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_wps_cancel(struct wps_registrar *reg) 10578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->pbc) { 10598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC is set - cancelling it"); 10608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pbc_timeout(reg, NULL); 1061c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt eloop_cancel_timeout(wps_registrar_pbc_timeout, reg, NULL); 10628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 10638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (reg->selected_registrar) { 10648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* PIN Method */ 10658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PIN is set - cancelling it"); 10668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pin_completed(reg); 106704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_registrar_invalidate_wildcard_pin(reg, NULL, 0); 10688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 10698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 10718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 10758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_probe_req_rx - Notify Registrar of Probe Request 10768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 10778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @addr: MAC address of the Probe Request sender 10788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @wps_data: WPS IE contents 10798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 10808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called on an AP when a Probe Request with WPS IE is 10818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * received. This is used to track PBC mode use and to detect possible overlap 10828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * situation with other WPS APs. 10838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 10848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid wps_registrar_probe_req_rx(struct wps_registrar *reg, const u8 *addr, 10858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *wps_data, 10868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int p2p_wildcard) 10878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 1089d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt int skip_add = 0; 10908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_buf(MSG_MSGDUMP, 10928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "WPS: Probe Request with WPS data received", 10938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_data); 10948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(wps_data, &attr) < 0) 10968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 10978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.config_methods == NULL) { 10998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Config Methods attribute in " 11008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Probe Request"); 11018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.dev_password_id == NULL) { 11058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Device Password Id attribute " 11068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "in Probe Request"); 11078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->enrollee_seen_cb && attr.uuid_e && 11118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr.primary_dev_type && attr.request_type && !p2p_wildcard) { 11128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *dev_name = NULL; 11138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.dev_name) { 11148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dev_name = os_zalloc(attr.dev_name_len + 1); 11158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (dev_name) { 11168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dev_name, attr.dev_name, 11178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr.dev_name_len); 11188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->enrollee_seen_cb(reg->cb_ctx, addr, attr.uuid_e, 11218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr.primary_dev_type, 11228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_GET_BE16(attr.config_methods), 11238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_GET_BE16(attr.dev_password_id), 11248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.request_type, dev_name); 11258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(dev_name); 11268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (WPA_GET_BE16(attr.dev_password_id) != DEV_PW_PUSHBUTTON) 11298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; /* Not PBC */ 11308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Probe Request for PBC received from " 11328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MACSTR, MAC2STR(addr)); 11338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.uuid_e == NULL) { 11348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalid Probe Request WPS IE: No " 11358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "UUID-E included"); 11368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: UUID-E from Probe Request", attr.uuid_e, 11398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_UUID_LEN); 11408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1141d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt#ifdef WPS_WORKAROUNDS 1142d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt if (reg->pbc_ignore_start.sec && 1143d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt os_memcmp(attr.uuid_e, reg->pbc_ignore_uuid, WPS_UUID_LEN) == 0) { 1144d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt struct os_time now, dur; 1145d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt os_get_time(&now); 1146d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt os_time_sub(&now, ®->pbc_ignore_start, &dur); 1147d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt if (dur.sec >= 0 && dur.sec < 5) { 1148d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Ignore PBC activation " 1149d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt "based on Probe Request from the Enrollee " 1150d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt "that just completed PBC provisioning"); 1151d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt skip_add = 1; 1152d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt } else 1153d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt reg->pbc_ignore_start.sec = 0; 1154d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt } 1155d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt#endif /* WPS_WORKAROUNDS */ 1156d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 1157d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt if (!skip_add) 1158d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt wps_registrar_add_pbc_session(reg, addr, attr.uuid_e); 11598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_registrar_pbc_overlap(reg, addr, attr.uuid_e)) { 11608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC session overlap detected"); 11618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->force_pbc_overlap = 1; 11628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_pbc_overlap_event(reg->wps); 11638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_cb_new_psk(struct wps_registrar *reg, const u8 *mac_addr, 11688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *psk, size_t psk_len) 11698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 11708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->new_psk_cb == NULL) 11718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 11728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return reg->new_psk_cb(reg->cb_ctx, mac_addr, psk, psk_len); 11748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_cb_pin_needed(struct wps_registrar *reg, const u8 *uuid_e, 11788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_device_data *dev) 11798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 11808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->pin_needed_cb == NULL) 11818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pin_needed_cb(reg->cb_ctx, uuid_e, dev); 11848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_cb_reg_success(struct wps_registrar *reg, const u8 *mac_addr, 118804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *uuid_e, const u8 *dev_pw, 118904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t dev_pw_len) 11908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 11918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->reg_success_cb == NULL) 11928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 11938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 119404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt reg->reg_success_cb(reg->cb_ctx, mac_addr, uuid_e, dev_pw, dev_pw_len); 11958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_cb_set_ie(struct wps_registrar *reg, struct wpabuf *beacon_ie, 11998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *probe_resp_ie) 12008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 12018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return reg->set_ie_cb(reg->cb_ctx, beacon_ie, probe_resp_ie); 12028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 12038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_cb_set_sel_reg(struct wps_registrar *reg) 12068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 12078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 methods = 0; 12088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->set_sel_reg_cb == NULL) 12098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 12108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->selected_registrar) { 12128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods = reg->wps->config_methods & ~WPS_CONFIG_PUSHBUTTON; 12138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS2 12148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON | 12158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_CONFIG_PHY_PUSHBUTTON); 12168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS2 */ 12178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->pbc) 12188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_set_pushbutton(&methods, reg->wps->config_methods); 12198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: wps_cb_set_sel_reg: sel_reg=%d " 12228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "config_methods=0x%x pbc=%d methods=0x%x", 12238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar, reg->wps->config_methods, 12248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc, methods); 12258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->set_sel_reg_cb(reg->cb_ctx, reg->selected_registrar, 12278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc ? DEV_PW_PUSHBUTTON : DEV_PW_DEFAULT, 12288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods); 12298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 12308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_set_ie(struct wps_registrar *reg) 12338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 12348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *beacon; 12358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *probe; 12368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *auth_macs; 12378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t count; 12388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t vendor_len = 0; 12398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 12408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->set_ie_cb == NULL) 12428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 12438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) { 12458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->wps->dev.vendor_ext[i]) { 12468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt vendor_len += 2 + 2; 12478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt vendor_len += wpabuf_len(reg->wps->dev.vendor_ext[i]); 12488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt beacon = wpabuf_alloc(400 + vendor_len); 12528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (beacon == NULL) 12538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 12548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt probe = wpabuf_alloc(500 + vendor_len); 12558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (probe == NULL) { 12568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(beacon); 12578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 12588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt auth_macs = wps_authorized_macs(reg, &count); 12618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Build Beacon IEs"); 12638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(beacon) || 12658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wps_state(reg->wps, beacon) || 12668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_ap_setup_locked(reg->wps, beacon) || 12678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_selected_registrar(reg, beacon) || 12688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_sel_reg_dev_password_id(reg, beacon) || 12698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_sel_reg_config_methods(reg, beacon) || 12708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_sel_pbc_reg_uuid_e(reg, beacon) || 12718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (reg->dualband && wps_build_rf_bands(®->wps->dev, beacon)) || 12728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(beacon, 0, auth_macs, count) || 12738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_vendor_ext(®->wps->dev, beacon)) { 12748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(beacon); 12758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(probe); 12768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 12778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 12808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_dev_name(®->wps->dev, beacon) || 12818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_primary_dev_type(®->wps->dev, beacon)) { 12828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(beacon); 12838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(probe); 12848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 12858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 12878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Build Probe Response IEs"); 12898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(probe) || 12918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wps_state(reg->wps, probe) || 12928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_ap_setup_locked(reg->wps, probe) || 12938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_selected_registrar(reg, probe) || 12948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_sel_reg_dev_password_id(reg, probe) || 12958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_sel_reg_config_methods(reg, probe) || 12968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_resp_type(probe, reg->wps->ap ? WPS_RESP_AP : 12978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_RESP_REGISTRAR) || 12988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_uuid_e(probe, reg->wps->uuid) || 12998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_device_attrs(®->wps->dev, probe) || 13008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_probe_config_methods(reg, probe) || 1301a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt (reg->dualband && wps_build_rf_bands(®->wps->dev, probe)) || 13028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(probe, 0, auth_macs, count) || 13038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_vendor_ext(®->wps->dev, probe)) { 13048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(beacon); 13058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(probe); 13068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 13078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt beacon = wps_ie_encapsulate(beacon); 13108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt probe = wps_ie_encapsulate(probe); 13118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!beacon || !probe) { 13138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(beacon); 13148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(probe); 13158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 13168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->static_wep_only) { 13198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 13208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Windows XP and Vista clients can get confused about 13218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * EAP-Identity/Request when they probe the network with 13228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * EAPOL-Start. In such a case, they may assume the network is 13238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * using IEEE 802.1X and prompt user for a certificate while 13248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the correct (non-WPS) behavior would be to ask for the 13258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * static WEP key. As a workaround, use Microsoft Provisioning 13268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * IE to advertise that legacy 802.1X is not supported. 13278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 13288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 ms_wps[7] = { 13298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WLAN_EID_VENDOR_SPECIFIC, 5, 13308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Microsoft Provisioning IE (00:50:f2:5) */ 13318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 0x00, 0x50, 0xf2, 5, 13328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 0x00 /* no legacy 802.1X or MS WPS */ 13338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt }; 13348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Add Microsoft Provisioning IE " 13358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "into Beacon/Probe Response frames"); 13368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(beacon, ms_wps, sizeof(ms_wps)); 13378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(probe, ms_wps, sizeof(ms_wps)); 13388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_cb_set_ie(reg, beacon, probe); 13418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 13428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_get_dev_password(struct wps_data *wps) 13458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 13468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pin; 13478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t pin_len = 0; 13488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wps->dev_password); 13508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_password = NULL; 13518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->pbc) { 13538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Use default PIN for PBC"); 13548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin = (const u8 *) "00000000"; 13558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin_len = 8; 135604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#ifdef CONFIG_WPS_NFC 135704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } else if (wps->nfc_pw_token) { 135804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Use OOB Device Password from NFC " 135904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt "Password Token"); 136004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt pin = wps->nfc_pw_token->dev_pw; 136104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt pin_len = wps->nfc_pw_token->dev_pw_len; 136204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#endif /* CONFIG_WPS_NFC */ 13638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 13648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pin = wps_registrar_get_pin(wps->wps->registrar, wps->uuid_e, 13658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &pin_len); 1366f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt if (pin && wps->dev_pw_id >= 0x10) { 1367f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No match for OOB Device " 1368f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt "Password ID, but PIN found"); 1369f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt /* 1370f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt * See whether Enrollee is willing to use PIN instead. 1371f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt */ 1372f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt wps->dev_pw_id = DEV_PW_DEFAULT; 1373f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt } 13748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pin == NULL) { 13768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Device Password available for " 13778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "the Enrollee"); 13788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_cb_pin_needed(wps->wps->registrar, wps->uuid_e, 13798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &wps->peer_dev); 13808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 13818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_password = os_malloc(pin_len); 13848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->dev_password == NULL) 13858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 13868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->dev_password, pin, pin_len); 13878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_password_len = pin_len; 13888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 13908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 13918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_uuid_r(struct wps_data *wps, struct wpabuf *msg) 13948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 13958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * UUID-R"); 13968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_UUID_R); 13978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, WPS_UUID_LEN); 13988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(msg, wps->uuid_r, WPS_UUID_LEN); 13998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_r_hash(struct wps_data *wps, struct wpabuf *msg) 14048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *hash; 14068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr[4]; 14078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len[4]; 14088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (random_get_bytes(wps->snonce, 2 * WPS_SECRET_NONCE_LEN) < 0) 14108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 14118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: R-S1", wps->snonce, WPS_SECRET_NONCE_LEN); 14128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: R-S2", 14138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->snonce + WPS_SECRET_NONCE_LEN, WPS_SECRET_NONCE_LEN); 14148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->dh_pubkey_e == NULL || wps->dh_pubkey_r == NULL) { 14168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: DH public keys not available for " 14178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "R-Hash derivation"); 14188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 14198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * R-Hash1"); 14228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_R_HASH1); 14238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, SHA256_MAC_LEN); 14248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hash = wpabuf_put(msg, SHA256_MAC_LEN); 14258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* R-Hash1 = HMAC_AuthKey(R-S1 || PSK1 || PK_E || PK_R) */ 14268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[0] = wps->snonce; 14278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[0] = WPS_SECRET_NONCE_LEN; 14288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[1] = wps->psk1; 14298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[1] = WPS_PSK_LEN; 14308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[2] = wpabuf_head(wps->dh_pubkey_e); 14318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[2] = wpabuf_len(wps->dh_pubkey_e); 14328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[3] = wpabuf_head(wps->dh_pubkey_r); 14338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[3] = wpabuf_len(wps->dh_pubkey_r); 14348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash); 14358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: R-Hash1", hash, SHA256_MAC_LEN); 14368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * R-Hash2"); 14388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_R_HASH2); 14398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, SHA256_MAC_LEN); 14408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hash = wpabuf_put(msg, SHA256_MAC_LEN); 14418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* R-Hash2 = HMAC_AuthKey(R-S2 || PSK2 || PK_E || PK_R) */ 14428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[0] = wps->snonce + WPS_SECRET_NONCE_LEN; 14438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[1] = wps->psk2; 14448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash); 14458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: R-Hash2", hash, SHA256_MAC_LEN); 14468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_r_snonce1(struct wps_data *wps, struct wpabuf *msg) 14528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * R-SNonce1"); 14548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_R_SNONCE1); 14558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, WPS_SECRET_NONCE_LEN); 14568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(msg, wps->snonce, WPS_SECRET_NONCE_LEN); 14578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_r_snonce2(struct wps_data *wps, struct wpabuf *msg) 14628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * R-SNonce2"); 14648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_R_SNONCE2); 14658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, WPS_SECRET_NONCE_LEN); 14668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(msg, wps->snonce + WPS_SECRET_NONCE_LEN, 14678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_SECRET_NONCE_LEN); 14688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_cred_network_idx(struct wpabuf *msg, 14738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 14748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Network Index (1)"); 14768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_NETWORK_INDEX); 14778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 1); 14788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(msg, 1); 14798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_cred_ssid(struct wpabuf *msg, 14848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 14858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * SSID"); 14878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID for Credential", 14888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->ssid, cred->ssid_len); 14898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_SSID); 14908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, cred->ssid_len); 14918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(msg, cred->ssid, cred->ssid_len); 14928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_cred_auth_type(struct wpabuf *msg, 14978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 14988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Authentication Type (0x%x)", 15008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->auth_type); 15018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_AUTH_TYPE); 15028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 2); 15038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, cred->auth_type); 15048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 15058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_cred_encr_type(struct wpabuf *msg, 15098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 15108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Encryption Type (0x%x)", 15128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->encr_type); 15138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_ENCR_TYPE); 15148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, 2); 15158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, cred->encr_type); 15168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 15178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_cred_network_key(struct wpabuf *msg, 15218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 15228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Network Key (len=%d)", 15248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (int) cred->key_len); 15258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key", 15268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->key, cred->key_len); 15278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_NETWORK_KEY); 15288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, cred->key_len); 15298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(msg, cred->key, cred->key_len); 15308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 15318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_credential(struct wpabuf *msg, 15358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wps_credential *cred) 15368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_cred_network_idx(msg, cred) || 15388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_cred_ssid(msg, cred) || 15398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_cred_auth_type(msg, cred) || 15408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_cred_encr_type(msg, cred) || 15418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_cred_network_key(msg, cred) || 15424b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_build_mac_addr(msg, cred->mac_addr)) 15438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 15448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 15458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15481f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtint wps_build_credential_wrap(struct wpabuf *msg, 15491f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt const struct wps_credential *cred) 15501f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 15511f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct wpabuf *wbuf; 15521f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wbuf = wpabuf_alloc(200); 15531f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wbuf == NULL) 15541f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return -1; 15551f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wps_build_credential(wbuf, cred)) { 15561f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(wbuf); 15571f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return -1; 15581f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 15591f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_be16(msg, ATTR_CRED); 15601f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_be16(msg, wpabuf_len(wbuf)); 15611f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_buf(msg, wbuf); 15621f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(wbuf); 15631f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return 0; 15641f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 15651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 15661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 15678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_build_cred(struct wps_data *wps, struct wpabuf *msg) 15688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *cred; 15708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->registrar->skip_cred_build) 15728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto skip_cred_build; 15738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Credential"); 15758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->use_cred) { 15768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(&wps->cred, wps->use_cred, sizeof(wps->cred)); 15778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto use_provided; 15788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 15798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(&wps->cred, 0, sizeof(wps->cred)); 15808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.ssid, wps->wps->ssid, wps->wps->ssid_len); 15828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.ssid_len = wps->wps->ssid_len; 15838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Select the best authentication and encryption type */ 15858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->auth_type & WPS_AUTH_WPA2PSK) 15868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type = WPS_AUTH_WPA2PSK; 15878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->auth_type & WPS_AUTH_WPAPSK) 15888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type = WPS_AUTH_WPAPSK; 15898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->auth_type & WPS_AUTH_OPEN) 15908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type = WPS_AUTH_OPEN; 15918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->auth_type & WPS_AUTH_SHARED) 15928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type = WPS_AUTH_SHARED; 15938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else { 15948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unsupported auth_type 0x%x", 15958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type); 15968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 15978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 15988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.auth_type = wps->auth_type; 15998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->auth_type == WPS_AUTH_WPA2PSK || 16018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type == WPS_AUTH_WPAPSK) { 16028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->encr_type & WPS_ENCR_AES) 16038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->encr_type = WPS_ENCR_AES; 16048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->encr_type & WPS_ENCR_TKIP) 16058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->encr_type = WPS_ENCR_TKIP; 16068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else { 16078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No suitable encryption " 16088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "type for WPA/WPA2"); 16098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 16128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->encr_type & WPS_ENCR_WEP) 16138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->encr_type = WPS_ENCR_WEP; 16148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->encr_type & WPS_ENCR_NONE) 16158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->encr_type = WPS_ENCR_NONE; 16168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else { 16178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No suitable encryption " 16188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "type for non-WPA/WPA2 mode"); 16198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.encr_type = wps->encr_type; 16238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 16248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Set MAC address in the Credential to be the Enrollee's MAC address 16258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 16268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.mac_addr, wps->mac_addr_e, ETH_ALEN); 16278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_state == WPS_STATE_NOT_CONFIGURED && wps->wps->ap && 16298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps->wps->registrar->disable_auto_conf) { 16308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 r[16]; 16318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Generate a random passphrase */ 16328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (random_get_bytes(r, sizeof(r)) < 0) 16338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wps->new_psk); 16358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk = base64_encode(r, sizeof(r), &wps->new_psk_len); 16368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->new_psk == NULL) 16378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk_len--; /* remove newline */ 16398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (wps->new_psk_len && 16408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk[wps->new_psk_len - 1] == '=') 16418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk_len--; 16428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_ascii_key(MSG_DEBUG, "WPS: Generated passphrase", 16438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk, wps->new_psk_len); 16448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.key, wps->new_psk, wps->new_psk_len); 16458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.key_len = wps->new_psk_len; 16468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (wps->use_psk_key && wps->wps->psk_set) { 16478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char hex[65]; 16488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Use PSK format for Network Key"); 16498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_snprintf_hex(hex, sizeof(hex), wps->wps->psk, 32); 16508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.key, hex, 32 * 2); 16518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.key_len = 32 * 2; 16528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (wps->wps->network_key) { 16538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.key, wps->wps->network_key, 16548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->network_key_len); 16558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.key_len = wps->wps->network_key_len; 16568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (wps->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) { 16578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char hex[65]; 16588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Generate a random per-device PSK */ 16598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wps->new_psk); 16608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk_len = 32; 16618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk = os_malloc(wps->new_psk_len); 16628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->new_psk == NULL) 16638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (random_get_bytes(wps->new_psk, wps->new_psk_len) < 0) { 16658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wps->new_psk); 16668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk = NULL; 16678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 16688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: Generated per-device PSK", 16708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk, wps->new_psk_len); 16718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_snprintf_hex(hex, sizeof(hex), wps->new_psk, 16728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk_len); 16738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->cred.key, hex, wps->new_psk_len * 2); 16748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.key_len = wps->new_psk_len * 2; 16758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtuse_provided: 16788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_TESTING 16798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_testing_dummy_cred) 16808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred = wpabuf_alloc(200); 16818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 16828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred = NULL; 16838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cred) { 16848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_credential dummy; 16858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Add dummy credential"); 16868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(&dummy, 0, sizeof(dummy)); 16878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dummy.ssid, "dummy", 5); 16888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dummy.ssid_len = 5; 16898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dummy.auth_type = WPS_AUTH_WPA2PSK; 16908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dummy.encr_type = WPS_ENCR_AES; 16918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dummy.key, "dummy psk", 9); 16928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dummy.key_len = 9; 16938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dummy.mac_addr, wps->mac_addr_e, ETH_ALEN); 16948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_credential(cred, &dummy); 16958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_buf(MSG_DEBUG, "WPS: Dummy Credential", cred); 16968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_CRED); 16988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, wpabuf_len(cred)); 16998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_buf(msg, cred); 17008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(cred); 17028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_TESTING */ 17048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred = wpabuf_alloc(200); 17068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cred == NULL) 17078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 17088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_credential(cred, &wps->cred)) { 17108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(cred); 17118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 17128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, ATTR_CRED); 17158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(msg, wpabuf_len(cred)); 17168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_buf(msg, cred); 17178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(cred); 17188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtskip_cred_build: 17208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->registrar->extra_cred) { 17218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * Credential (pre-configured)"); 17228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_buf(msg, wps->wps->registrar->extra_cred); 17238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 17268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_build_ap_settings(struct wps_data *wps, struct wpabuf *msg) 17308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: * AP Settings"); 17328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_credential(msg, &wps->cred)) 17348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 17358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 17378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17401f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtstatic struct wpabuf * wps_build_ap_cred(struct wps_data *wps) 17411f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 17421f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct wpabuf *msg, *plain; 17431f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17441f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt msg = wpabuf_alloc(1000); 17451f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (msg == NULL) 17461f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return NULL; 17471f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17481f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt plain = wpabuf_alloc(200); 17491f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (plain == NULL) { 17501f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(msg); 17511f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return NULL; 17521f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 17531f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17541f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wps_build_ap_settings(wps, plain)) { 17551f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(plain); 17561f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(msg); 17571f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return NULL; 17581f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 17591f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17601f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_be16(msg, ATTR_CRED); 17611f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_be16(msg, wpabuf_len(plain)); 17621f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_put_buf(msg, plain); 17631f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(plain); 17641f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return msg; 17661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 17671f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17681f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 17698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * wps_build_m2(struct wps_data *wps) 17708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg; 17728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (random_get_bytes(wps->nonce_r, WPS_NONCE_LEN) < 0) 17748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 17758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Registrar Nonce", 17768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->nonce_r, WPS_NONCE_LEN); 17778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: UUID-R", wps->uuid_r, WPS_UUID_LEN); 17788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Building Message M2"); 17808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wpabuf_alloc(1000); 17818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg == NULL) 17828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 17838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(msg) || 17858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_msg_type(msg, WPS_M2) || 17868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_enrollee_nonce(wps, msg) || 17878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_registrar_nonce(wps, msg) || 17888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_uuid_r(wps, msg) || 17898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_public_key(wps, msg) || 17908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_derive_keys(wps) || 17918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_auth_type_flags(wps, msg) || 17928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_encr_type_flags(wps, msg) || 17938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_conn_type_flags(wps, msg) || 17948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_config_methods_r(wps->wps->registrar, msg) || 17958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_device_attrs(&wps->wps->dev, msg) || 17968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_rf_bands(&wps->wps->dev, msg) || 17978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_assoc_state(wps, msg) || 17988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_config_error(msg, WPS_CFG_NO_ERROR) || 17998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_dev_password_id(msg, wps->dev_pw_id) || 18008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_os_version(&wps->wps->dev, msg) || 18018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(msg, 0, NULL, 0) || 18028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_authenticator(wps, msg)) { 18038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(msg); 18048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 18068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->int_reg = 1; 18088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = RECV_M3; 18098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 18108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * wps_build_m2d(struct wps_data *wps) 18148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg; 18168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 err = wps->config_error; 18178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Building Message M2D"); 18198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wpabuf_alloc(1000); 18208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg == NULL) 18218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->ap && wps->wps->ap_setup_locked && 18248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt err == WPS_CFG_NO_ERROR) 18258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt err = WPS_CFG_SETUP_LOCKED; 18268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(msg) || 18288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_msg_type(msg, WPS_M2D) || 18298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_enrollee_nonce(wps, msg) || 18308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_registrar_nonce(wps, msg) || 18318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_uuid_r(wps, msg) || 18328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_auth_type_flags(wps, msg) || 18338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_encr_type_flags(wps, msg) || 18348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_conn_type_flags(wps, msg) || 18358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_config_methods_r(wps->wps->registrar, msg) || 18368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_device_attrs(&wps->wps->dev, msg) || 18378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_rf_bands(&wps->wps->dev, msg) || 18388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_assoc_state(wps, msg) || 18398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_config_error(msg, err) || 18408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_os_version(&wps->wps->dev, msg) || 18418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(msg, 0, NULL, 0)) { 18428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(msg); 18438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 18458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = RECV_M2D_ACK; 18478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 18488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * wps_build_m4(struct wps_data *wps) 18528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg, *plain; 18548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Building Message M4"); 18568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_derive_psk(wps, wps->dev_password, wps->dev_password_len); 18588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plain = wpabuf_alloc(200); 18608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (plain == NULL) 18618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wpabuf_alloc(1000); 18648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg == NULL) { 18658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 18668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 18688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(msg) || 18708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_msg_type(msg, WPS_M4) || 18718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_enrollee_nonce(wps, msg) || 18728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_r_hash(wps, msg) || 18738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_r_snonce1(wps, plain) || 18748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_key_wrap_auth(wps, plain) || 18758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_encr_settings(wps, msg, plain) || 18768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(msg, 0, NULL, 0) || 18778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_authenticator(wps, msg)) { 18788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 18798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(msg); 18808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 18828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 18838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = RECV_M5; 18858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 18868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * wps_build_m6(struct wps_data *wps) 18908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg, *plain; 18928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Building Message M6"); 18948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plain = wpabuf_alloc(200); 18968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (plain == NULL) 18978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wpabuf_alloc(1000); 19008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg == NULL) { 19018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(msg) || 19068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_msg_type(msg, WPS_M6) || 19078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_enrollee_nonce(wps, msg) || 19088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_r_snonce2(wps, plain) || 19098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_key_wrap_auth(wps, plain) || 19108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_encr_settings(wps, msg, plain) || 19118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(msg, 0, NULL, 0) || 19128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_authenticator(wps, msg)) { 19138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(msg); 19158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps_pin_revealed = 1; 19208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = RECV_M7; 19218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 19228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 19238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * wps_build_m8(struct wps_data *wps) 19268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 19278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg, *plain; 19288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Building Message M8"); 19308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plain = wpabuf_alloc(500); 19328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (plain == NULL) 19338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wpabuf_alloc(1000); 19368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (msg == NULL) { 19378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(msg) || 19428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_msg_type(msg, WPS_M8) || 19438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_enrollee_nonce(wps, msg) || 19448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ((wps->wps->ap || wps->er) && wps_build_cred(wps, plain)) || 19458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (!wps->wps->ap && !wps->er && wps_build_ap_settings(wps, plain)) || 19468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_key_wrap_auth(wps, plain) || 19478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_encr_settings(wps, msg, plain) || 19488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(msg, 0, NULL, 0) || 19498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_authenticator(wps, msg)) { 19508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(msg); 19528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(plain); 19558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = RECV_DONE; 19578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 19588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 19598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpabuf * wps_registrar_get_msg(struct wps_data *wps, 19628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum wsc_op_code *op_code) 19638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 19648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *msg; 19658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 19678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!wps->int_reg && wps->wps->wps_upnp) { 19688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct upnp_pending_message *p, *prev = NULL; 19698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ext_reg > 1) 19708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_free_pending_m2(wps->wps); 19718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p = wps->wps->upnp_msgs; 19728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: check pending message MAC address */ 19738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (p && p->next) { 19748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = p; 19758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p = p->next; 19768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (p) { 19788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Use pending message from " 19798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "UPnP"); 19808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (prev) 19818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev->next = NULL; 19828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 19838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->upnp_msgs = NULL; 19848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = p->msg; 19858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (p->type) { 19868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_WSC_ACK: 19878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_ACK; 19888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 19898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_WSC_NACK: 19908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_NACK; 19918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 19928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 19938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 19948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 19958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(p); 19978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ext_reg == 0) 19988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->ext_reg = 1; 19998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 20008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ext_reg) { 20038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Using external Registrar, but no " 20048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "pending message available"); 20058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 20068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 20088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (wps->state) { 20108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_M2: 20118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_get_dev_password(wps) < 0) 20128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m2d(wps); 20138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 20148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m2(wps); 20158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 20168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_M2D: 20188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m2d(wps); 20198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 20208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_M4: 20228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m4(wps); 20238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 20248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_M6: 20268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m6(wps); 20278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 20288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_M8: 20308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_m8(wps); 20318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_MSG; 20328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case RECV_DONE: 20348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_wsc_ack(wps); 20358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_ACK; 20368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SEND_WSC_NACK: 20388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = wps_build_wsc_nack(wps); 20398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *op_code = WSC_NACK; 20408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 20428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unsupported state %d for building " 20438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "a message", wps->state); 20448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg = NULL; 20458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 20468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*op_code == WSC_MSG && msg) { 20498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Save a copy of the last message for Authenticator derivation 20508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 20518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(wps->last_msg); 20528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->last_msg = wpabuf_dup(msg); 20538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return msg; 20568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 20578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_enrollee_nonce(struct wps_data *wps, const u8 *e_nonce) 20608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 20618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (e_nonce == NULL) { 20628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Enrollee Nonce received"); 20638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 20648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->nonce_e, e_nonce, WPS_NONCE_LEN); 20678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Enrollee Nonce", 20688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->nonce_e, WPS_NONCE_LEN); 20698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 20718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 20728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_registrar_nonce(struct wps_data *wps, const u8 *r_nonce) 20758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 20768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (r_nonce == NULL) { 20778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Registrar Nonce received"); 20788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 20798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(wps->nonce_r, r_nonce, WPS_NONCE_LEN) != 0) { 20828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalid Registrar Nonce received"); 20838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 20848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 20878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 20888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_uuid_e(struct wps_data *wps, const u8 *uuid_e) 20918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 20928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (uuid_e == NULL) { 20938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No UUID-E received"); 20948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 20958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->uuid_e, uuid_e, WPS_UUID_LEN); 20988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: UUID-E", wps->uuid_e, WPS_UUID_LEN); 20998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 21018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 21028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_dev_password_id(struct wps_data *wps, const u8 *pw_id) 21058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pw_id == NULL) { 21078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Device Password ID received"); 21088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id = WPA_GET_BE16(pw_id); 21128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Device Password ID %d", wps->dev_pw_id); 21138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 21158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 21168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_e_hash1(struct wps_data *wps, const u8 *e_hash1) 21198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (e_hash1 == NULL) { 21218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No E-Hash1 received"); 21228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->peer_hash1, e_hash1, WPS_HASH_LEN); 21268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: E-Hash1", wps->peer_hash1, WPS_HASH_LEN); 21278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 21298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 21308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_e_hash2(struct wps_data *wps, const u8 *e_hash2) 21338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (e_hash2 == NULL) { 21358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No E-Hash2 received"); 21368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->peer_hash2, e_hash2, WPS_HASH_LEN); 21408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: E-Hash2", wps->peer_hash2, WPS_HASH_LEN); 21418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 21438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 21448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_e_snonce1(struct wps_data *wps, const u8 *e_snonce1) 21478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 hash[SHA256_MAC_LEN]; 21498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr[4]; 21508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len[4]; 21518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (e_snonce1 == NULL) { 21538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No E-SNonce1 received"); 21548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: E-SNonce1", e_snonce1, 21588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_SECRET_NONCE_LEN); 21598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* E-Hash1 = HMAC_AuthKey(E-S1 || PSK1 || PK_E || PK_R) */ 21618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[0] = e_snonce1; 21628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[0] = WPS_SECRET_NONCE_LEN; 21638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[1] = wps->psk1; 21648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[1] = WPS_PSK_LEN; 21658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[2] = wpabuf_head(wps->dh_pubkey_e); 21668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[2] = wpabuf_len(wps->dh_pubkey_e); 21678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[3] = wpabuf_head(wps->dh_pubkey_r); 21688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[3] = wpabuf_len(wps->dh_pubkey_r); 21698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash); 21708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(wps->peer_hash1, hash, WPS_HASH_LEN) != 0) { 21728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: E-Hash1 derived from E-S1 does " 21738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "not match with the pre-committed value"); 21748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_DEV_PASSWORD_AUTH_FAILURE; 21758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_pwd_auth_fail_event(wps->wps, 0, 1); 21768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee proved knowledge of the first " 21808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "half of the device password"); 21818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 21838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 21848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_e_snonce2(struct wps_data *wps, const u8 *e_snonce2) 21878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 21888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 hash[SHA256_MAC_LEN]; 21898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr[4]; 21908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len[4]; 21918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (e_snonce2 == NULL) { 21938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No E-SNonce2 received"); 21948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 21958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 21968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 21978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: E-SNonce2", e_snonce2, 21988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_SECRET_NONCE_LEN); 21998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* E-Hash2 = HMAC_AuthKey(E-S2 || PSK2 || PK_E || PK_R) */ 22018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[0] = e_snonce2; 22028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[0] = WPS_SECRET_NONCE_LEN; 22038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[1] = wps->psk2; 22048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[1] = WPS_PSK_LEN; 22058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[2] = wpabuf_head(wps->dh_pubkey_e); 22068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[2] = wpabuf_len(wps->dh_pubkey_e); 22078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[3] = wpabuf_head(wps->dh_pubkey_r); 22088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[3] = wpabuf_len(wps->dh_pubkey_r); 22098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hmac_sha256_vector(wps->authkey, WPS_AUTHKEY_LEN, 4, addr, len, hash); 22108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(wps->peer_hash2, hash, WPS_HASH_LEN) != 0) { 22128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: E-Hash2 derived from E-S2 does " 22138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "not match with the pre-committed value"); 22148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_invalidate_pin(wps->wps->registrar, wps->uuid_e); 22158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_DEV_PASSWORD_AUTH_FAILURE; 22168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_pwd_auth_fail_event(wps->wps, 0, 2); 22178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 22188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 22198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee proved knowledge of the second " 22218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "half of the device password"); 22228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps_pin_revealed = 0; 22238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_unlock_pin(wps->wps->registrar, wps->uuid_e); 22248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2225c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt /* 2226c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * In case wildcard PIN is used and WPS handshake succeeds in the first 2227c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * attempt, wps_registrar_unlock_pin() would not free the PIN, so make 2228c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * sure the PIN gets invalidated here. 2229c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt */ 2230c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt wps_registrar_invalidate_pin(wps->wps->registrar, wps->uuid_e); 2231c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt 22328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 22338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 22348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_mac_addr(struct wps_data *wps, const u8 *mac_addr) 22378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 22388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (mac_addr == NULL) { 22398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No MAC Address received"); 22408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 22418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 22428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee MAC Address " MACSTR, 22448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(mac_addr)); 22458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->mac_addr_e, mac_addr, ETH_ALEN); 22468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wps->peer_dev.mac_addr, mac_addr, ETH_ALEN); 22478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 22498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 22508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_pubkey(struct wps_data *wps, const u8 *pk, 22538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t pk_len) 22548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 22558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pk == NULL || pk_len == 0) { 22568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Public Key received"); 22578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 22588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 22598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(wps->dh_pubkey_e); 22618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dh_pubkey_e = wpabuf_alloc_copy(pk, pk_len); 22628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->dh_pubkey_e == NULL) 22638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 22648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 22668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 22678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_auth_type_flags(struct wps_data *wps, const u8 *auth) 22708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 22718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 auth_types; 22728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (auth == NULL) { 22748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Authentication Type flags " 22758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "received"); 22768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 22778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 22788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt auth_types = WPA_GET_BE16(auth); 22808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 22818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Authentication Type flags 0x%x", 22828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt auth_types); 22838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type = wps->wps->auth_types & auth_types; 22848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->auth_type == 0) { 22858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No match in supported " 22868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "authentication types (own 0x%x Enrollee 0x%x)", 22878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->auth_types, auth_types); 22888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef WPS_WORKAROUNDS 22898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 22908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Some deployed implementations seem to advertise incorrect 22918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * information in this attribute. For example, Linksys WRT350N 22928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * seems to have a byteorder bug that breaks this negotiation. 22938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * In order to interoperate with existing implementations, 22948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * assume that the Enrollee supports everything we do. 22958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 22968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Workaround - assume Enrollee " 22978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "does not advertise supported authentication types " 22988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "correctly"); 22998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->auth_type = wps->wps->auth_types; 23008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* WPS_WORKAROUNDS */ 23018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 23028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* WPS_WORKAROUNDS */ 23038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 23048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 23068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 23078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_encr_type_flags(struct wps_data *wps, const u8 *encr) 23108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 23118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 encr_types; 23128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (encr == NULL) { 23148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Encryption Type flags " 23158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "received"); 23168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 23178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 23188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_types = WPA_GET_BE16(encr); 23208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Encryption Type flags 0x%x", 23228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_types); 23238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->encr_type = wps->wps->encr_types & encr_types; 23248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->encr_type == 0) { 23258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No match in supported " 23268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "encryption types (own 0x%x Enrollee 0x%x)", 23278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->encr_types, encr_types); 23288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef WPS_WORKAROUNDS 23298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 23308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Some deployed implementations seem to advertise incorrect 23318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * information in this attribute. For example, Linksys WRT350N 23328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * seems to have a byteorder bug that breaks this negotiation. 23338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * In order to interoperate with existing implementations, 23348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * assume that the Enrollee supports everything we do. 23358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 23368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Workaround - assume Enrollee " 23378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "does not advertise supported encryption types " 23388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "correctly"); 23398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->encr_type = wps->wps->encr_types; 23408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* WPS_WORKAROUNDS */ 23418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 23428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* WPS_WORKAROUNDS */ 23438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 23448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 23468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 23478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_conn_type_flags(struct wps_data *wps, const u8 *conn) 23508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 23518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conn == NULL) { 23528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Connection Type flags " 23538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "received"); 23548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 23558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 23568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Connection Type flags 0x%x", 23588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *conn); 23598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 23618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 23628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_config_methods(struct wps_data *wps, const u8 *methods) 23658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 23668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 m; 23678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (methods == NULL) { 23698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Config Methods received"); 23708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 23718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 23728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m = WPA_GET_BE16(methods); 23748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Config Methods 0x%x" 23768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "%s%s%s%s%s%s%s%s%s", m, 23778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_USBA ? " [USBA]" : "", 23788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_ETHERNET ? " [Ethernet]" : "", 23798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_LABEL ? " [Label]" : "", 23808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_DISPLAY ? " [Display]" : "", 23818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_EXT_NFC_TOKEN ? " [Ext NFC Token]" : "", 23828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_INT_NFC_TOKEN ? " [Int NFC Token]" : "", 23838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_NFC_INTERFACE ? " [NFC]" : "", 23848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_PUSHBUTTON ? " [PBC]" : "", 23858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt m & WPS_CONFIG_KEYPAD ? " [Keypad]" : ""); 23868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!(m & WPS_CONFIG_DISPLAY) && !wps->use_psk_key) { 23888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 23898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * The Enrollee does not have a display so it is unlikely to be 23908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * able to show the passphrase to a user and as such, could 23918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * benefit from receiving PSK to reduce key derivation time. 23928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 23938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Prefer PSK format key due to " 23948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Enrollee not supporting display"); 23958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->use_psk_key = 1; 23968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 23978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 23988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 23998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 24008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_wps_state(struct wps_data *wps, const u8 *state) 24038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 24048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (state == NULL) { 24058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Wi-Fi Protected Setup State " 24068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "received"); 24078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 24088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 24098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Wi-Fi Protected Setup State %d", 24118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *state); 24128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 24148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 24158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_assoc_state(struct wps_data *wps, const u8 *assoc) 24188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 24198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 a; 24208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (assoc == NULL) { 24228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Association State received"); 24238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 24248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 24258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt a = WPA_GET_BE16(assoc); 24278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Association State %d", a); 24288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 24308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 24318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_config_error(struct wps_data *wps, const u8 *err) 24348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 24358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 e; 24368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (err == NULL) { 24388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Configuration Error received"); 24398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 24408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 24418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt e = WPA_GET_BE16(err); 24438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee Configuration Error %d", e); 24448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 24468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 24478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_registrar_p2p_dev_addr_match(struct wps_data *wps) 24508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 24518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 24528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar *reg = wps->wps->registrar; 24538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (is_zero_ether_addr(reg->p2p_dev_addr)) 24558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; /* no filtering in use */ 24568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(reg->p2p_dev_addr, wps->p2p_dev_addr, ETH_ALEN) != 0) { 24588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No match on P2P Device Address " 24598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "filtering for PBC: expected " MACSTR " was " 24608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MACSTR " - indicate PBC session overlap", 24618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(reg->p2p_dev_addr), 24628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(wps->p2p_dev_addr)); 24638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 24648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 24658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 24668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 24678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 24688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_registrar_skip_overlap(struct wps_data *wps) 24718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 24728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_P2P 24738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar *reg = wps->wps->registrar; 24748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (is_zero_ether_addr(reg->p2p_dev_addr)) 24768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; /* no specific Enrollee selected */ 24778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(reg->p2p_dev_addr, wps->p2p_dev_addr, ETH_ALEN) == 0) { 24798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Skip PBC overlap due to selected " 24808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Enrollee match"); 24818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 24828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 24838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_P2P */ 24848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 24858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 24868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_m1(struct wps_data *wps, 24898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr *attr) 24908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 24918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received M1"); 24928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state != RECV_M1) { 24948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for " 24958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "receiving M1", wps->state); 24968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 24978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 24988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 24998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_process_uuid_e(wps, attr->uuid_e) || 25008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_mac_addr(wps, attr->mac_addr) || 25018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_enrollee_nonce(wps, attr->enrollee_nonce) || 25028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_pubkey(wps, attr->public_key, attr->public_key_len) || 25038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_auth_type_flags(wps, attr->auth_type_flags) || 25048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_encr_type_flags(wps, attr->encr_type_flags) || 25058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_conn_type_flags(wps, attr->conn_type_flags) || 25068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_config_methods(wps, attr->config_methods) || 25078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_wps_state(wps, attr->wps_state) || 25088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_device_attrs(&wps->peer_dev, attr) || 25098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_rf_bands(&wps->peer_dev, attr->rf_bands) || 25108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_assoc_state(wps, attr->assoc_state) || 25118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_dev_password_id(wps, attr->dev_password_id) || 25128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_config_error(wps, attr->config_error) || 25138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_os_version(&wps->peer_dev, attr->os_version)) 25148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 25158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->dev_pw_id < 0x10 && 25178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id != DEV_PW_DEFAULT && 25188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id != DEV_PW_USER_SPECIFIED && 25198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id != DEV_PW_MACHINE_SPECIFIED && 25208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id != DEV_PW_REGISTRAR_SPECIFIED && 25218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (wps->dev_pw_id != DEV_PW_PUSHBUTTON || 25228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps->wps->registrar->pbc)) { 25238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unsupported Device Password ID %d", 25248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->dev_pw_id); 25258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M2D; 25268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 25278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 25288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 252904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#ifdef CONFIG_WPS_NFC 253004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (wps->dev_pw_id >= 0x10) { 253104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct wps_nfc_pw_token *token; 253204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *addr[1]; 253304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt u8 hash[WPS_HASH_LEN]; 253404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 253504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt token = wps_get_nfc_pw_token( 253604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt &wps->wps->registrar->nfc_pw_tokens, wps->dev_pw_id); 253704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (token) { 253804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Found matching NFC " 253904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt "Password Token"); 254004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dl_list_del(&token->list); 254104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps->nfc_pw_token = token; 254204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 254304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt addr[0] = attr->public_key; 254404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt sha256_vector(1, addr, &attr->public_key_len, hash); 254504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (os_memcmp(hash, wps->nfc_pw_token->pubkey_hash, 254604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt WPS_OOB_PUBKEY_HASH_LEN) != 0) { 254704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_printf(MSG_ERROR, "WPS: Public Key hash " 254804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt "mismatch"); 254904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return WPS_FAILURE; 255004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 255104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 255204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 255304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#endif /* CONFIG_WPS_NFC */ 255404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 25558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->dev_pw_id == DEV_PW_PUSHBUTTON) { 25568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((wps->wps->registrar->force_pbc_overlap || 25578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pbc_overlap(wps->wps->registrar, 25588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->mac_addr_e, wps->uuid_e) || 25598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps_registrar_p2p_dev_addr_match(wps)) && 25608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps_registrar_skip_overlap(wps)) { 25618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: PBC overlap - deny PBC " 25628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "negotiation"); 25638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M2D; 25648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED; 25658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_pbc_overlap_event(wps->wps); 25668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M1, 25678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_CFG_MULTIPLE_PBC_DETECTED, 25688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_EI_NO_ERROR); 25698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->registrar->force_pbc_overlap = 1; 25708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 25718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 25728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_add_pbc_session(wps->wps->registrar, 25738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->mac_addr_e, wps->uuid_e); 25748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->pbc = 1; 25758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 25768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef WPS_WORKAROUNDS 25788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 25798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * It looks like Mac OS X 10.6.3 and 10.6.4 do not like Network Key in 25808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * passphrase format. To avoid interop issues, force PSK format to be 25818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * used. 25828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 25838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!wps->use_psk_key && 25848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->peer_dev.manufacturer && 25858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_strncmp(wps->peer_dev.manufacturer, "Apple ", 6) == 0 && 25868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->peer_dev.model_name && 25878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_strcmp(wps->peer_dev.model_name, "AirPort") == 0) { 25888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Workaround - Force Network Key in " 25898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "PSK format"); 25908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->use_psk_key = 1; 25918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 25928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* WPS_WORKAROUNDS */ 25938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M2; 25958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 25968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 25978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 25998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_m3(struct wps_data *wps, 26008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg, 26018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr *attr) 26028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 26038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received M3"); 26048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state != RECV_M3) { 26068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for " 26078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "receiving M3", wps->state); 26088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 26098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->pbc && wps->wps->registrar->force_pbc_overlap && 26138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps_registrar_skip_overlap(wps)) { 26148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Reject negotiation due to PBC " 26158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "session overlap"); 26168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 26178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED; 26188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_process_registrar_nonce(wps, attr->registrar_nonce) || 26228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_authenticator(wps, attr->authenticator, msg) || 26238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_e_hash1(wps, attr->e_hash1) || 26248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_e_hash2(wps, attr->e_hash2)) { 26258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 26268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M4; 26308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 26328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_m5(struct wps_data *wps, 26358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg, 26368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr *attr) 26378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 26388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *decrypted; 26398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr eattr; 26408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received M5"); 26428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state != RECV_M5) { 26448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for " 26458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "receiving M5", wps->state); 26468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 26478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->pbc && wps->wps->registrar->force_pbc_overlap && 26518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps_registrar_skip_overlap(wps)) { 26528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Reject negotiation due to PBC " 26538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "session overlap"); 26548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 26558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED; 26568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_process_registrar_nonce(wps, attr->registrar_nonce) || 26608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_authenticator(wps, attr->authenticator, msg)) { 26618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 26628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt decrypted = wps_decrypt_encr_settings(wps, attr->encr_settings, 26668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr->encr_settings_len); 26678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (decrypted == NULL) { 26688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Failed to decrypted Encrypted " 26698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Settings attribute"); 26708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 26718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m5_encr(decrypted, attr->version2 != NULL) < 0) { 26758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 26768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 26778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Processing decrypted Encrypted Settings " 26818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "attribute"); 26828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(decrypted, &eattr) < 0 || 26838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_key_wrap_auth(wps, decrypted, eattr.key_wrap_auth) || 26848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_e_snonce1(wps, eattr.e_snonce1)) { 26858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 26868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 26878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 26898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 26908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M6; 26928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 26938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 26948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 26968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_sta_cred_cb(struct wps_data *wps) 26978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 26988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 26998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Update credential to only include a single authentication and 27008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * encryption type in case the AP configuration includes more than one 27018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * option. 27028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 27038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->cred.auth_type & WPS_AUTH_WPA2PSK) 27048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.auth_type = WPS_AUTH_WPA2PSK; 27058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->cred.auth_type & WPS_AUTH_WPAPSK) 27068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.auth_type = WPS_AUTH_WPAPSK; 27078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->cred.encr_type & WPS_ENCR_AES) 27088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.encr_type = WPS_ENCR_AES; 27098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (wps->cred.encr_type & WPS_ENCR_TKIP) 27108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->cred.encr_type = WPS_ENCR_TKIP; 27118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Update local configuration based on the " 27128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "AP configuration"); 27138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->cred_cb) 27148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->cred_cb(wps->wps->cb_ctx, &wps->cred); 27158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 27168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_cred_update(struct wps_credential *dst, 27198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_credential *src) 27208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 27218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dst->ssid, src->ssid, sizeof(dst->ssid)); 27228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dst->ssid_len = src->ssid_len; 27238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dst->auth_type = src->auth_type; 27248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dst->encr_type = src->encr_type; 27258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dst->key_idx = src->key_idx; 27268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(dst->key, src->key, sizeof(dst->key)); 27278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dst->key_len = src->key_len; 27288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 27298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wps_process_ap_settings_r(struct wps_data *wps, 27328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr *attr) 27338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 27341f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct wpabuf *msg; 27351f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 27368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->ap || wps->er) 27378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 27388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* AP Settings Attributes in M7 when Enrollee is an AP */ 27408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_process_ap_settings(attr, &wps->cred) < 0) 27418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 27428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "WPS: Received old AP configuration from AP"); 27448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->new_ap_settings) { 27468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "WPS: Update AP configuration based on " 27478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "new settings"); 27488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_cred_update(&wps->cred, wps->new_ap_settings); 27498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 27508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 27518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 27528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Use the AP PIN only to receive the current AP settings, not 27538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * to reconfigure the AP. 27548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 27558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 27578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Clear selected registrar here since we do not get to 27588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * WSC_Done in this protocol run. 27598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 27608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pin_completed(wps->wps->registrar); 27618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27621f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt msg = wps_build_ap_cred(wps); 27631f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (msg == NULL) 27641f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return -1; 27651f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->cred.cred_attr = wpabuf_head(msg); 27661f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->cred.cred_attr_len = wpabuf_len(msg); 27671f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 27688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ap_settings_cb) { 27698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->ap_settings_cb(wps->ap_settings_cb_ctx, 27708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &wps->cred); 27711f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(msg); 27728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 27738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 27748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_sta_cred_cb(wps); 27751f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 27761f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->cred.cred_attr = NULL; 27771f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->cred.cred_attr_len = 0; 27781f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wpabuf_free(msg); 27791f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 27808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 27818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 27828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 27838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_m7(struct wps_data *wps, 27868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg, 27878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr *attr) 27888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 27898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *decrypted; 27908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr eattr; 27918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received M7"); 27938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 27948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state != RECV_M7) { 27958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for " 27968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "receiving M7", wps->state); 27978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 27988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 27998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->pbc && wps->wps->registrar->force_pbc_overlap && 28028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !wps_registrar_skip_overlap(wps)) { 28038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Reject negotiation due to PBC " 28048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "session overlap"); 28058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 28068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED; 28078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 28088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_process_registrar_nonce(wps, attr->registrar_nonce) || 28118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_authenticator(wps, attr->authenticator, msg)) { 28128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 28138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 28148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt decrypted = wps_decrypt_encr_settings(wps, attr->encr_settings, 28178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr->encr_settings_len); 28188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (decrypted == NULL) { 28198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Failed to decrypt Encrypted " 28208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Settings attribute"); 28218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 28228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 28238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m7_encr(decrypted, wps->wps->ap || wps->er, 28268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt attr->version2 != NULL) < 0) { 28278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 28288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 28298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 28308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Processing decrypted Encrypted Settings " 28338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "attribute"); 28348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(decrypted, &eattr) < 0 || 28358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_key_wrap_auth(wps, decrypted, eattr.key_wrap_auth) || 28368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_e_snonce2(wps, eattr.e_snonce2) || 28378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_process_ap_settings_r(wps, &eattr)) { 28388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 28398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 28408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 28418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(decrypted); 28448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_M8; 28468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 28478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 28488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_wsc_msg(struct wps_data *wps, 28518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg) 28528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 28538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 28548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum wps_process_res ret = WPS_CONTINUE; 28558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received WSC_MSG"); 28578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0) 28598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 28608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.msg_type == NULL) { 28628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute"); 28638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 28648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 28658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*attr.msg_type != WPS_M1 && 28688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (attr.registrar_nonce == NULL || 28698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(wps->nonce_r, attr.registrar_nonce, 287061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt WPS_NONCE_LEN) != 0)) { 28718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in registrar nonce"); 28728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 28738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (*attr.msg_type) { 28768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_M1: 28778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m1(msg) < 0) 28788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 28798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 28808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && attr.mac_addr) { 28818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Remove old pending messages when starting new run */ 28828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_free_pending_msgs(wps->wps->upnp_msgs); 28838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->upnp_msgs = NULL; 28848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 28858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt upnp_wps_device_send_wlan_event( 28868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->wps_upnp, attr.mac_addr, 28878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt UPNP_WPS_WLANEVENT_TYPE_EAP, msg); 28888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 28898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 28908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wps_process_m1(wps, &attr); 28918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 28928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_M3: 28938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m3(msg) < 0) 28948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 28958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wps_process_m3(wps, msg, &attr); 28968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret == WPS_FAILURE || wps->state == SEND_WSC_NACK) 28978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M3, wps->config_error, 28988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->error_indication); 28998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 29008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_M5: 29018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m5(msg) < 0) 29028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wps_process_m5(wps, msg, &attr); 29048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret == WPS_FAILURE || wps->state == SEND_WSC_NACK) 29058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M5, wps->config_error, 29068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->error_indication); 29078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 29088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WPS_M7: 29098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_m7(msg) < 0) 29108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wps_process_m7(wps, msg, &attr); 29128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret == WPS_FAILURE || wps->state == SEND_WSC_NACK) 29138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M7, wps->config_error, 29148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->error_indication); 29158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 29168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 29178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unsupported Message Type %d", 29188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.msg_type); 29198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret == WPS_CONTINUE) { 29238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Save a copy of the last message for Authenticator derivation 29248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 29258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(wps->last_msg); 29268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->last_msg = wpabuf_dup(msg); 29278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ret; 29308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 29318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_wsc_ack(struct wps_data *wps, 29348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg) 29358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 29368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 29378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received WSC_ACK"); 29398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0) 29418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.msg_type == NULL) { 29448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute"); 29458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*attr.msg_type != WPS_WSC_ACK) { 29498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalid Message Type %d", 29508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.msg_type); 29518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 29558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && wps->ext_reg && wps->state == RECV_M2D_ACK && 29568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt upnp_wps_subscribers(wps->wps->wps_upnp)) { 29578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->upnp_msgs) 29588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 29598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Wait for response from an " 29608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "external Registrar"); 29618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_PENDING; 29628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 29648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.registrar_nonce == NULL || 296661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_r, attr.registrar_nonce, WPS_NONCE_LEN) != 0) 29678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 29688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in registrar nonce"); 29698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.enrollee_nonce == NULL || 297361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_e, attr.enrollee_nonce, WPS_NONCE_LEN) != 0) { 29748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in enrollee nonce"); 29758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state == RECV_M2D_ACK) { 29798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 29808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && 29818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt upnp_wps_subscribers(wps->wps->wps_upnp)) { 29828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->upnp_msgs) 29838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 29848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ext_reg == 0) 29858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->ext_reg = 1; 29868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Wait for response from an " 29878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "external Registrar"); 29888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_PENDING; 29898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 29918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No more registrars available - " 29938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "terminate negotiation"); 29948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 29978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 29988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 29998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_wsc_nack(struct wps_data *wps, 30018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg) 30028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 30038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 30048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int old_state; 30058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 config_error; 30068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received WSC_NACK"); 30088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt old_state = wps->state; 30108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 30118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0) 30138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.msg_type == NULL) { 30168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute"); 30178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*attr.msg_type != WPS_WSC_NACK) { 30218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalid Message Type %d", 30228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.msg_type); 30238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 30278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && wps->ext_reg) { 30288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Negotiation using external " 30298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Registrar terminated by the Enrollee"); 30308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 30338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.registrar_nonce == NULL || 303561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_r, attr.registrar_nonce, WPS_NONCE_LEN) != 0) 30368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 30378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in registrar nonce"); 30388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.enrollee_nonce == NULL || 304261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_e, attr.enrollee_nonce, WPS_NONCE_LEN) != 0) { 30438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in enrollee nonce"); 30448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.config_error == NULL) { 30488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Configuration Error attribute " 30498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "in WSC_NACK"); 30508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt config_error = WPA_GET_BE16(attr.config_error); 30548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Enrollee terminated negotiation with " 30558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Configuration Error %d", config_error); 30568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (old_state) { 30588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case RECV_M3: 30598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M2, config_error, 30608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->error_indication); 30618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 30628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case RECV_M5: 30638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M4, config_error, 30648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->error_indication); 30658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 30668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case RECV_M7: 30678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M6, config_error, 30688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->error_indication); 30698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 30708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case RECV_DONE: 30718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_M8, config_error, 30728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->error_indication); 30738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 30748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 30758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 30768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 30808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic enum wps_process_res wps_process_wsc_done(struct wps_data *wps, 30838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg) 30848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 30858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 30868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Received WSC_Done"); 30888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->state != RECV_DONE && 30908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (!wps->wps->wps_upnp || !wps->ext_reg)) { 30918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for " 30928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "receiving WSC_Done", wps->state); 30938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 30958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0) 30978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 30988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 30998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.msg_type == NULL) { 31008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute"); 31018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*attr.msg_type != WPS_WSC_DONE) { 31058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Invalid Message Type %d", 31068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.msg_type); 31078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 31118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && wps->ext_reg) { 31128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Negotiation using external " 31138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Registrar completed successfully"); 31148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_device_store(wps->wps->registrar, &wps->peer_dev, 31158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->uuid_e); 31168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_DONE; 31178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 31198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.registrar_nonce == NULL || 312161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_r, attr.registrar_nonce, WPS_NONCE_LEN) != 0) 31228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 31238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in registrar nonce"); 31248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.enrollee_nonce == NULL || 312861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt os_memcmp(wps->nonce_e, attr.enrollee_nonce, WPS_NONCE_LEN) != 0) { 31298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Mismatch in enrollee nonce"); 31308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 31318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Negotiation completed successfully"); 31348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_device_store(wps->wps->registrar, &wps->peer_dev, 31358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->uuid_e); 31368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_state == WPS_STATE_NOT_CONFIGURED && wps->new_psk && 31388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->ap && !wps->wps->registrar->disable_auto_conf) { 31398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_credential cred; 31408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Moving to Configured state based " 31428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "on first Enrollee connection"); 31438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(&cred, 0, sizeof(cred)); 31458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(cred.ssid, wps->wps->ssid, wps->wps->ssid_len); 31468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred.ssid_len = wps->wps->ssid_len; 31478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred.auth_type = WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK; 31488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred.encr_type = WPS_ENCR_TKIP | WPS_ENCR_AES; 31498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(cred.key, wps->new_psk, wps->new_psk_len); 31508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred.key_len = wps->new_psk_len; 31518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->wps_state = WPS_STATE_CONFIGURED; 31538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_ascii_key(MSG_DEBUG, 31548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "WPS: Generated random passphrase", 31558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk, wps->new_psk_len); 31568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->cred_cb) 31578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->cred_cb(wps->wps->cb_ctx, &cred); 31588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wps->new_psk); 31608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk = NULL; 31618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!wps->wps->ap && !wps->er) 31648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_sta_cred_cb(wps); 31658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->new_psk) { 31678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_cb_new_psk(wps->wps->registrar, wps->mac_addr_e, 31688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk, wps->new_psk_len)) { 31698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Failed to configure the " 31708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "new PSK"); 31718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wps->new_psk); 31738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->new_psk = NULL; 31748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 317604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_cb_reg_success(wps->wps->registrar, wps->mac_addr_e, wps->uuid_e, 317704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps->dev_password, wps->dev_password_len); 31788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->pbc) { 31808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_remove_pbc_session(wps->wps->registrar, 31811f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->uuid_e, 31821f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps->p2p_dev_addr); 31838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pbc_completed(wps->wps->registrar); 3184d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt os_get_time(&wps->wps->registrar->pbc_ignore_start); 3185d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt os_memcpy(wps->wps->registrar->pbc_ignore_uuid, wps->uuid_e, 3186d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt WPS_UUID_LEN); 31878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 31888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_pin_completed(wps->wps->registrar); 31898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 31908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: maintain AuthorizedMACs somewhere separately for each ER and 31918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * merge them into APs own list.. */ 31928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_success_event(wps->wps); 31948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_DONE; 31968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 31978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 31998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtenum wps_process_res wps_registrar_process_msg(struct wps_data *wps, 32008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum wsc_op_code op_code, 32018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg) 32028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 32038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum wps_process_res ret; 32048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Processing received message (len=%lu " 32068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "op_code=%d)", 32078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) wpabuf_len(msg), op_code); 32088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 32108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && op_code == WSC_MSG && wps->ext_reg == 1) { 32118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 32128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) == 0 && attr.msg_type && 32138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.msg_type == WPS_M3) 32148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->ext_reg = 2; /* past M2/M2D phase */ 32158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 32168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->ext_reg > 1) 32178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_free_pending_m2(wps->wps); 32188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->wps->wps_upnp && wps->ext_reg && 32198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->wps->upnp_msgs == NULL && 32208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (op_code == WSC_MSG || op_code == WSC_Done || op_code == WSC_NACK)) 32218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 32228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 32238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int type; 32248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0 || attr.msg_type == NULL) 32258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt type = -1; 32268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 32278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt type = *attr.msg_type; 32288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Sending received message (type %d)" 32298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt " to external Registrar for processing", type); 32308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt upnp_wps_device_send_wlan_event(wps->wps->wps_upnp, 32318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->mac_addr_e, 32328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt UPNP_WPS_WLANEVENT_TYPE_EAP, 32338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt msg); 32348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (op_code == WSC_MSG) 32358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_PENDING; 32368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (wps->wps->wps_upnp && wps->ext_reg && op_code == WSC_MSG) { 32378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Skip internal processing - using " 32388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "external Registrar"); 32398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_CONTINUE; 32408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 32418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 32428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (op_code) { 32448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WSC_MSG: 32458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_process_wsc_msg(wps, msg); 32468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WSC_ACK: 32478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_wsc_ack(msg) < 0) 32488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 32498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_process_wsc_ack(wps, msg); 32508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WSC_NACK: 32518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_wsc_nack(msg) < 0) 32528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 32538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_process_wsc_nack(wps, msg); 32548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case WSC_Done: 32558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_validate_wsc_done(msg) < 0) 32568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 32578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wps_process_wsc_done(wps, msg); 32588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret == WPS_FAILURE) { 32598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->state = SEND_WSC_NACK; 32608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_fail_event(wps->wps, WPS_WSC_DONE, 32618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->config_error, 32628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps->error_indication); 32638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 32648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ret; 32658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 32668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Unsupported op_code %d", op_code); 32678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPS_FAILURE; 32688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 32698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 32708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_update_ie(struct wps_registrar *reg) 32738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 32748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_set_ie(reg); 32758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 32768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_set_selected_timeout(void *eloop_ctx, 32798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *timeout_ctx) 32808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 32818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar *reg = eloop_ctx; 32828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Selected Registrar timeout - " 32848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "unselect internal Registrar"); 32858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->selected_registrar = 0; 32868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->pbc = 0; 32874b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 32888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 32898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 32918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 32928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_sel_reg_add(struct wps_registrar *reg, 32938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct subscription *s) 32948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 32958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i, j; 32968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: External Registrar selected (dev_pw_id=%d " 32978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "config_methods=0x%x)", 32988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt s->dev_password_id, s->config_methods); 32998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_union = 1; 33008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->sel_reg_dev_password_id_override != DEV_PW_PUSHBUTTON) 33018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_dev_password_id_override = s->dev_password_id; 33028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->sel_reg_config_methods_override == -1) 33038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_config_methods_override = 0; 33048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_config_methods_override |= s->config_methods; 33058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < WPS_MAX_AUTHORIZED_MACS; i++) 33068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (is_zero_ether_addr(reg->authorized_macs_union[i])) 33078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 33088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (j = 0; i < WPS_MAX_AUTHORIZED_MACS && j < WPS_MAX_AUTHORIZED_MACS; 33098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt j++) { 33108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (is_zero_ether_addr(s->authorized_macs[j])) 33118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 33128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Add authorized MAC into union: " 33138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MACSTR, MAC2STR(s->authorized_macs[j])); 33148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(reg->authorized_macs_union[i], 33158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt s->authorized_macs[j], ETH_ALEN); 33168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt i++; 33178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 33188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Authorized MACs union", 33198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) reg->authorized_macs_union, 33208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(reg->authorized_macs_union)); 33218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 33228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 33238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void wps_registrar_sel_reg_union(struct wps_registrar *reg) 33268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 33278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_UPNP 33288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct subscription *s; 33298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->wps->wps_upnp == NULL) 33318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 33328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dl_list_for_each(s, ®->wps->wps_upnp->subscriptions, 33348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct subscription, list) { 33358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct subscr_addr *sa; 33368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sa = dl_list_first(&s->addr_list, struct subscr_addr, list); 33378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sa) { 33388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: External Registrar %s:%d", 33398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt inet_ntoa(sa->saddr.sin_addr), 33408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ntohs(sa->saddr.sin_port)); 33418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 33428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (s->selected_registrar) 33438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_sel_reg_add(reg, s); 33448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 33458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: External Registrar not " 33468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "selected"); 33478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 33488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_UPNP */ 33498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 33508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 33538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_registrar_selected_registrar_changed - SetSelectedRegistrar change 33548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @reg: Registrar data from wps_registrar_init() 33558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 33568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called when selected registrar state changes, e.g., when an 33578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * AP receives a SetSelectedRegistrar UPnP message. 33588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 33594b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidtvoid wps_registrar_selected_registrar_changed(struct wps_registrar *reg, 33604b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt u16 dev_pw_id) 33618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 33628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Selected registrar information changed"); 33638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_union = reg->selected_registrar; 33658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_dev_password_id_override = -1; 33668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_config_methods_override = -1; 33678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(reg->authorized_macs_union, reg->authorized_macs, 33688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_MAX_AUTHORIZED_MACS * ETH_ALEN); 33698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Authorized MACs union (start with own)", 33708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) reg->authorized_macs_union, 33718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(reg->authorized_macs_union)); 33728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->selected_registrar) { 33738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 methods; 33748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods = reg->wps->config_methods & ~WPS_CONFIG_PUSHBUTTON; 33768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS2 33778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON | 33788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_CONFIG_PHY_PUSHBUTTON); 33798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS2 */ 33808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->pbc) { 33818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_dev_password_id_override = 33828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt DEV_PW_PUSHBUTTON; 33838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_set_pushbutton(&methods, reg->wps->config_methods); 33844b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt } else if (dev_pw_id) 33854b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt reg->sel_reg_dev_password_id_override = dev_pw_id; 33868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Internal Registrar selected " 33878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "(pbc=%d)", reg->pbc); 33888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt reg->sel_reg_config_methods_override = methods; 33898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else 33908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Internal Registrar not selected"); 33918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_sel_reg_union(reg); 33938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_set_ie(reg); 33958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_cb_set_sel_reg(reg); 33968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 33978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 33998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_get_info(struct wps_registrar *reg, const u8 *addr, 34008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *buf, size_t buflen) 34018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 34028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_registrar_device *d; 34038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int len = 0, ret; 34048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char uuid[40]; 34058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char devtype[WPS_DEV_TYPE_BUFSIZE]; 34068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d = wps_device_get(reg, addr); 34088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (d == NULL) 34098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 34108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (uuid_bin2str(d->uuid, uuid, sizeof(uuid))) 34118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 34128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(buf + len, buflen - len, 34148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsUuid=%s\n" 34158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsPrimaryDeviceType=%s\n" 34168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsDeviceName=%s\n" 34178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsManufacturer=%s\n" 34188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsModelName=%s\n" 34198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsModelNumber=%s\n" 34208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wpsSerialNumber=%s\n", 34218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt uuid, 34228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_dev_type_bin2str(d->dev.pri_dev_type, devtype, 34238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(devtype)), 34248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d->dev.device_name ? d->dev.device_name : "", 34258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d->dev.manufacturer ? d->dev.manufacturer : "", 34268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d->dev.model_name ? d->dev.model_name : "", 34278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d->dev.model_number ? d->dev.model_number : "", 34288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt d->dev.serial_number ? d->dev.serial_number : ""); 34298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || (size_t) ret >= buflen - len) 34308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 34318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len += ret; 34328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 34348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 34358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_registrar_config_ap(struct wps_registrar *reg, 34388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_credential *cred) 34398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 34408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS2 34418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt printf("encr_type=0x%x\n", cred->encr_type); 34428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!(cred->encr_type & (WPS_ENCR_NONE | WPS_ENCR_TKIP | 34438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_ENCR_AES))) { 34448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cred->encr_type & WPS_ENCR_WEP) { 34458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "WPS: Reject new AP settings " 34468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "due to WEP configuration"); 34478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 34488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 34498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "WPS: Reject new AP settings due to " 34518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "invalid encr_type 0x%x", cred->encr_type); 34528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 34538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 34548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((cred->encr_type & (WPS_ENCR_TKIP | WPS_ENCR_AES)) == 34568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_ENCR_TKIP) { 34578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Upgrade encr_type TKIP -> " 34588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "TKIP+AES"); 34598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->encr_type |= WPS_ENCR_AES; 34608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 34618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) == 34638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_AUTH_WPAPSK) { 34648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Upgrade auth_type WPAPSK -> " 34658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "WPAPSK+WPA2PSK"); 34668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cred->auth_type |= WPS_AUTH_WPA2PSK; 34678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 34688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS2 */ 34698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (reg->wps->cred_cb) 34718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return reg->wps->cred_cb(reg->wps->cb_ctx, cred); 34728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 34738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 34748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 347504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 347604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 347704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#ifdef CONFIG_WPS_NFC 347804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 347904949598a23f501be6eec21697465fd46a28840aDmitry Shmidtint wps_registrar_add_nfc_pw_token(struct wps_registrar *reg, 348004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *pubkey_hash, u16 pw_id, 348104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *dev_pw, size_t dev_pw_len) 348204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 348304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct wps_nfc_pw_token *token; 348404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 348504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (dev_pw_len > WPS_OOB_DEVICE_PASSWORD_LEN) 348604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return -1; 348704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 348804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_free_nfc_pw_tokens(®->nfc_pw_tokens, pw_id); 348904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 349004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt token = os_zalloc(sizeof(*token)); 349104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (token == NULL) 349204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return -1; 349304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 349404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt os_memcpy(token->pubkey_hash, pubkey_hash, WPS_OOB_PUBKEY_HASH_LEN); 349504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt token->pw_id = pw_id; 349633e38bfa7159cef089d6ee0d904778e184c72c47Dmitry Shmidt wpa_snprintf_hex_uppercase((char *) token->dev_pw, 349733e38bfa7159cef089d6ee0d904778e184c72c47Dmitry Shmidt sizeof(token->dev_pw), 349833e38bfa7159cef089d6ee0d904778e184c72c47Dmitry Shmidt dev_pw, dev_pw_len); 349933e38bfa7159cef089d6ee0d904778e184c72c47Dmitry Shmidt token->dev_pw_len = dev_pw_len * 2; 350004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 350104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dl_list_add(®->nfc_pw_tokens, &token->list); 350204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 350304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt reg->selected_registrar = 1; 350404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt reg->pbc = 0; 350504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_registrar_add_authorized_mac(reg, 350604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt (u8 *) "\xff\xff\xff\xff\xff\xff"); 35074b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, pw_id); 350804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL); 350904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt eloop_register_timeout(WPS_PBC_WALK_TIME, 0, 351004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_registrar_set_selected_timeout, 351104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt reg, NULL); 351204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 35134b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Added NFC Device Password %u to Registrar", 35144b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt pw_id); 35154b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt 351604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return 0; 351704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 351804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 351904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 352004949598a23f501be6eec21697465fd46a28840aDmitry Shmidtint wps_registrar_add_nfc_password_token(struct wps_registrar *reg, 352104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *oob_dev_pw, 352204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t oob_dev_pw_len) 352304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 352404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const u8 *pos, *hash, *dev_pw; 352504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt u16 id; 352604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt size_t dev_pw_len; 352704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 352804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (oob_dev_pw_len < WPS_OOB_PUBKEY_HASH_LEN + 2 + 352904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt WPS_OOB_DEVICE_PASSWORD_MIN_LEN || 353004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt oob_dev_pw_len > WPS_OOB_PUBKEY_HASH_LEN + 2 + 353104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt WPS_OOB_DEVICE_PASSWORD_LEN) 353204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return -1; 353304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 353404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt hash = oob_dev_pw; 353504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt pos = oob_dev_pw + WPS_OOB_PUBKEY_HASH_LEN; 353604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt id = WPA_GET_BE16(pos); 353704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dev_pw = pos + 2; 353804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dev_pw_len = oob_dev_pw + oob_dev_pw_len - dev_pw; 353904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 354004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Add NFC Password Token for Password ID %u", 354104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt id); 354204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 354304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPS: Public Key Hash", 354404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt hash, WPS_OOB_PUBKEY_HASH_LEN); 354504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: Device Password", dev_pw, dev_pw_len); 354604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 354704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return wps_registrar_add_nfc_pw_token(reg, hash, id, dev_pw, 354804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt dev_pw_len); 354904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 355004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 355104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 355204949598a23f501be6eec21697465fd46a28840aDmitry Shmidtvoid wps_registrar_remove_nfc_pw_token(struct wps_registrar *reg, 355304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct wps_nfc_pw_token *token) 355404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 355504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_registrar_remove_authorized_mac(reg, 355604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt (u8 *) "\xff\xff\xff\xff\xff\xff"); 35574b06059785b935dd1f4f09314e4e12c417d2c6a4Dmitry Shmidt wps_registrar_selected_registrar_changed(reg, 0); 355804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 355904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 356004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#endif /* CONFIG_WPS_NFC */ 3561