18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Wi-Fi Protected Setup 38d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Copyright (c) 2007-2009, 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 "includes.h" 108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common.h" 128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "crypto/dh_group5.h" 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common/ieee802_11_defs.h" 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wps_i.h" 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wps_dev_attr.h" 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_TESTING 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_version_number = 0x20; 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_testing_dummy_cred = 0; 21cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidtint wps_corrupt_pkhash = 0; 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_TESTING */ 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_init - Initialize WPS Registration protocol data 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @cfg: WPS configuration 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Pointer to allocated data or %NULL on failure 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is used to initialize WPS data for a registration protocol 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * instance (i.e., each run of registration protocol as a Registrar of 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Enrollee. The caller is responsible for freeing this data after the 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * registration run has been completed by calling wps_deinit(). 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wps_data * wps_init(const struct wps_config *cfg) 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_data *data = os_zalloc(sizeof(*data)); 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data == NULL) 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->wps = cfg->wps; 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->registrar = cfg->registrar; 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cfg->registrar) { 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(data->uuid_r, cfg->wps->uuid, WPS_UUID_LEN); 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(data->mac_addr_e, cfg->wps->dev.mac_addr, ETH_ALEN); 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(data->uuid_e, cfg->wps->uuid, WPS_UUID_LEN); 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cfg->pin) { 49d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt data->dev_pw_id = cfg->dev_pw_id; 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->dev_password = os_malloc(cfg->pin_len); 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->dev_password == NULL) { 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(data); 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(data->dev_password, cfg->pin, cfg->pin_len); 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->dev_password_len = cfg->pin_len; 57f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: AP PIN dev_password", 58f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt data->dev_password, data->dev_password_len); 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#ifdef CONFIG_WPS_NFC 62cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (cfg->pin == NULL && 63cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt cfg->dev_pw_id == DEV_PW_NFC_CONNECTION_HANDOVER) 64cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt data->dev_pw_id = cfg->dev_pw_id; 65cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt 6604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (cfg->wps->ap && !cfg->registrar && cfg->wps->ap_nfc_dev_pw_id) { 67f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt /* Keep AP PIN as alternative Device Password */ 68f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt data->alt_dev_pw_id = data->dev_pw_id; 69f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt data->alt_dev_password = data->dev_password; 70f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt data->alt_dev_password_len = data->dev_password_len; 71f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt 7204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt data->dev_pw_id = cfg->wps->ap_nfc_dev_pw_id; 7304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt data->dev_password = 7404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt os_malloc(wpabuf_len(cfg->wps->ap_nfc_dev_pw)); 7504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (data->dev_password == NULL) { 7604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt os_free(data); 7704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt return NULL; 7804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 7904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt os_memcpy(data->dev_password, 8004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_head(cfg->wps->ap_nfc_dev_pw), 8104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_len(cfg->wps->ap_nfc_dev_pw)); 8204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt data->dev_password_len = wpabuf_len(cfg->wps->ap_nfc_dev_pw); 83f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPS: NFC dev_password", 84f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt data->dev_password, data->dev_password_len); 8504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 8604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#endif /* CONFIG_WPS_NFC */ 8704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->pbc = cfg->pbc; 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cfg->pbc) { 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Use special PIN '00000000' for PBC */ 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->dev_pw_id = DEV_PW_PUSHBUTTON; 92c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt bin_clear_free(data->dev_password, data->dev_password_len); 931f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt data->dev_password = (u8 *) os_strdup("00000000"); 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->dev_password == NULL) { 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(data); 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->dev_password_len = 8; 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->state = data->registrar ? RECV_M1 : SEND_M1; 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cfg->assoc_wps_ie) { 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_buf(MSG_DEBUG, "WPS: WPS IE from (Re)AssocReq", 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cfg->assoc_wps_ie); 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(cfg->assoc_wps_ie, &attr) < 0) { 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Failed to parse WPS IE " 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "from (Re)AssocReq"); 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (attr.request_type == NULL) { 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: No Request Type attribute " 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "in (Re)AssocReq WPS IE"); 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Request Type (from WPS IE " 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "in (Re)AssocReq WPS IE): %d", 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *attr.request_type); 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->request_type = *attr.request_type; 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cfg->new_ap_settings) { 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->new_ap_settings = 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_malloc(sizeof(*data->new_ap_settings)); 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->new_ap_settings == NULL) { 125c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt bin_clear_free(data->dev_password, 126c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt data->dev_password_len); 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(data); 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(data->new_ap_settings, cfg->new_ap_settings, 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(*data->new_ap_settings)); 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cfg->peer_addr) 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(data->peer_dev.mac_addr, cfg->peer_addr, ETH_ALEN); 1368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (cfg->p2p_dev_addr) 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(data->p2p_dev_addr, cfg->p2p_dev_addr, ETH_ALEN); 1388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->use_psk_key = cfg->use_psk_key; 14087fd279308af3f806848c8f2ab65ef18c6ac4c30Jouni Malinen data->pbc_in_m1 = cfg->pbc_in_m1; 1418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 142cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (cfg->peer_pubkey_hash) { 143cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt os_memcpy(data->peer_pubkey_hash, cfg->peer_pubkey_hash, 144cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt WPS_OOB_PUBKEY_HASH_LEN); 145cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt data->peer_pubkey_hash_set = 1; 146cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt } 147cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return data; 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_deinit - Deinitialize WPS Registration protocol data 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @data: WPS Registration protocol data from wps_init() 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid wps_deinit(struct wps_data *data) 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#ifdef CONFIG_WPS_NFC 15904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (data->registrar && data->nfc_pw_token) 16004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_registrar_remove_nfc_pw_token(data->wps->registrar, 16104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt data->nfc_pw_token); 16204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt#endif /* CONFIG_WPS_NFC */ 16304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->wps_pin_revealed) { 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Full PIN information revealed and " 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "negotiation failed"); 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->registrar) 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_invalidate_pin(data->wps->registrar, 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->uuid_e); 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (data->registrar) 1718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_registrar_unlock_pin(data->wps->registrar, data->uuid_e); 1728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(data->dh_privkey); 1748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(data->dh_pubkey_e); 1758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(data->dh_pubkey_r); 1768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(data->last_msg); 177c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt bin_clear_free(data->dev_password, data->dev_password_len); 178c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt bin_clear_free(data->alt_dev_password, data->alt_dev_password_len); 179c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt bin_clear_free(data->new_psk, data->new_psk_len); 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_device_data_free(&data->peer_dev); 181c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt bin_clear_free(data->new_ap_settings, sizeof(*data->new_ap_settings)); 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dh5_free(data->dh_ctx); 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(data); 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_process_msg - Process a WPS message 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @wps: WPS Registration protocol data from wps_init() 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @op_code: Message OP Code 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @msg: Message data 1928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Processing result 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 1948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is used to process WPS messages with OP Codes WSC_ACK, 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * WSC_NACK, WSC_MSG, and WSC_Done. The caller (e.g., EAP server/peer) is 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * responsible for reassembling the messages before calling this function. 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Response to this message is built by calling wps_get_msg(). 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtenum wps_process_res wps_process_msg(struct wps_data *wps, 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum wsc_op_code op_code, 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *msg) 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->registrar) 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_registrar_process_msg(wps, op_code, msg); 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_enrollee_process_msg(wps, op_code, msg); 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_get_msg - Build a WPS message 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @wps: WPS Registration protocol data from wps_init() 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @op_code: Buffer for returning message OP Code 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: The generated WPS message or %NULL on failure 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is used to build a response to a message processed by calling 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_process_msg(). The caller is responsible for freeing the buffer. 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpabuf * wps_get_msg(struct wps_data *wps, enum wsc_op_code *op_code) 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps->registrar) 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_registrar_get_msg(wps, op_code); 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_enrollee_get_msg(wps, op_code); 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_is_selected_pbc_registrar - Check whether WPS IE indicates active PBC 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @msg: WPS IE contents from Beacon or Probe Response frame 2318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 1 if PBC Registrar is active, 0 if not 2328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_is_selected_pbc_registrar(const struct wpabuf *msg) 2348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 2368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 2388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * In theory, this could also verify that attr.sel_reg_config_methods 2398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * includes WPS_CONFIG_PUSHBUTTON, but some deployed AP implementations 2408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * do not set Selected Registrar Config Methods attribute properly, so 2418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * it is safer to just use Device Password ID here. 2428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0 || 2458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !attr.selected_registrar || *attr.selected_registrar == 0 || 2468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !attr.dev_password_id || 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_GET_BE16(attr.dev_password_id) != DEV_PW_PUSHBUTTON) 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 2498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_STRICT 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!attr.sel_reg_config_methods || 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(WPA_GET_BE16(attr.sel_reg_config_methods) & 2538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_CONFIG_PUSHBUTTON)) 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_STRICT */ 2568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int is_selected_pin_registrar(struct wps_parse_attr *attr) 2628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 2648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * In theory, this could also verify that attr.sel_reg_config_methods 2658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * includes WPS_CONFIG_LABEL, WPS_CONFIG_DISPLAY, or WPS_CONFIG_KEYPAD, 2668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * but some deployed AP implementations do not set Selected Registrar 2678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Config Methods attribute properly, so it is safer to just use 2688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Device Password ID here. 2698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!attr->selected_registrar || *attr->selected_registrar == 0) 2728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 2738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr->dev_password_id != NULL && 2758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_GET_BE16(attr->dev_password_id) == DEV_PW_PUSHBUTTON) 2768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 2778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS_STRICT 2798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!attr->sel_reg_config_methods || 2808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(WPA_GET_BE16(attr->sel_reg_config_methods) & 2818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (WPS_CONFIG_LABEL | WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD))) 2828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 2838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_STRICT */ 2848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 2868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 2908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_is_selected_pin_registrar - Check whether WPS IE indicates active PIN 2918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @msg: WPS IE contents from Beacon or Probe Response frame 2928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 1 if PIN Registrar is active, 0 if not 2938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_is_selected_pin_registrar(const struct wpabuf *msg) 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0) 2998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 3008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return is_selected_pin_registrar(&attr); 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 3068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_is_addr_authorized - Check whether WPS IE authorizes MAC address 3078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @msg: WPS IE contents from Beacon or Probe Response frame 3088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @addr: MAC address to search for 3098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ver1_compat: Whether to use version 1 compatibility mode 31061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * Returns: 2 if the specified address is explicit authorized, 1 if address is 31161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * authorized (broadcast), 0 if not 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_is_addr_authorized(const struct wpabuf *msg, const u8 *addr, 3148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ver1_compat) 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 3178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int i; 3188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pos; 3198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 bcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 3208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0) 3228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 3238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!attr.version2 && ver1_compat) { 3258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 3268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Version 1.0 AP - AuthorizedMACs not used, so revert back to 3278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * old mechanism of using SelectedRegistrar. 3288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 3298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return is_selected_pin_registrar(&attr); 3308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!attr.authorized_macs) 3338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 3348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = attr.authorized_macs; 3368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < attr.authorized_macs_len / ETH_ALEN; i++) { 33761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (os_memcmp(pos, addr, ETH_ALEN) == 0) 33861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return 2; 33961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (os_memcmp(pos, bcast, ETH_ALEN) == 0) 3408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 3418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += ETH_ALEN; 3428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 3458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 3498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_ap_priority_compar - Prioritize WPS IE from two APs 3508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @wps_a: WPS IE contents from Beacon or Probe Response frame 3518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @wps_b: WPS IE contents from Beacon or Probe Response frame 3528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 1 if wps_b is considered more likely selection for WPS 3538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * provisioning, -1 if wps_a is considered more like, or 0 if no preference 3548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 3558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_ap_priority_compar(const struct wpabuf *wps_a, 3568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *wps_b) 3578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr_a, attr_b; 3598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int sel_a, sel_b; 3608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_a == NULL || wps_parse_msg(wps_a, &attr_a) < 0) 3628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 3638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_b == NULL || wps_parse_msg(wps_b, &attr_b) < 0) 3648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 3658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sel_a = attr_a.selected_registrar && *attr_a.selected_registrar != 0; 3678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sel_b = attr_b.selected_registrar && *attr_b.selected_registrar != 0; 3688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sel_a && !sel_b) 3708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 3718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!sel_a && sel_b) 3728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 3738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 3758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 3798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_get_uuid_e - Get UUID-E from WPS IE 3808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @msg: WPS IE contents from Beacon or Probe Response frame 3818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Pointer to UUID-E or %NULL if not included 3828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 3838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * The returned pointer is to the msg contents and it remains valid only as 3848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * long as the msg buffer is valid. 3858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 3868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtconst u8 * wps_get_uuid_e(const struct wpabuf *msg) 3878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 3898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(msg, &attr) < 0) 3918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 3928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return attr.uuid_e; 3938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 3971f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * wps_is_20 - Check whether WPS attributes claim support for WPS 2.0 3981f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt */ 3991f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtint wps_is_20(const struct wpabuf *msg) 4001f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt{ 4011f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt struct wps_parse_attr attr; 4021f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4031f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (msg == NULL || wps_parse_msg(msg, &attr) < 0) 4041f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return 0; 4051f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return attr.version2 != NULL; 4061f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt} 4071f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4081f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt 4091f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt/** 4108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_build_assoc_req_ie - Build WPS IE for (Re)Association Request 4118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @req_type: Value for Request Type attribute 4128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: WPS IE or %NULL on failure 4138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 4148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * The caller is responsible for freeing the buffer. 4158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 4168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpabuf * wps_build_assoc_req_ie(enum wps_request_type req_type) 4178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *ie; 4198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *len; 4208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Building WPS IE for (Re)Association " 4228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Request"); 4238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie = wpabuf_alloc(100); 4248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ie == NULL) 4258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 4268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(ie, WLAN_EID_VENDOR_SPECIFIC); 4288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = wpabuf_put(ie, 1); 4298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be32(ie, WPS_DEV_OUI_WFA); 4308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(ie) || 4328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_req_type(ie, req_type) || 4338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(ie, 0, NULL, 0)) { 4348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(ie); 4358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 4368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *len = wpabuf_len(ie) - 2; 4398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ie; 4418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 4458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_build_assoc_resp_ie - Build WPS IE for (Re)Association Response 4468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: WPS IE or %NULL on failure 4478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 4488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * The caller is responsible for freeing the buffer. 4498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpabuf * wps_build_assoc_resp_ie(void) 4518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *ie; 4538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *len; 4548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Building WPS IE for (Re)Association " 4568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Response"); 4578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie = wpabuf_alloc(100); 4588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ie == NULL) 4598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 4608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(ie, WLAN_EID_VENDOR_SPECIFIC); 4628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = wpabuf_put(ie, 1); 4638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be32(ie, WPS_DEV_OUI_WFA); 4648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(ie) || 4668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_resp_type(ie, WPS_RESP_AP) || 4678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(ie, 0, NULL, 0)) { 4688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(ie); 4698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 4708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *len = wpabuf_len(ie) - 2; 4738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ie; 4758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 4798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wps_build_probe_req_ie - Build WPS IE for Probe Request 48004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt * @pw_id: Password ID (DEV_PW_PUSHBUTTON for active PBC and DEV_PW_DEFAULT for 48104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt * most other use cases) 4828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @dev: Device attributes 4838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @uuid: Own UUID 4848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @req_type: Value for Request Type attribute 4858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @num_req_dev_types: Number of requested device types 4868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @req_dev_types: Requested device types (8 * num_req_dev_types octets) or 4878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * %NULL if none 4888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: WPS IE or %NULL on failure 4898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 4908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * The caller is responsible for freeing the buffer. 4918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 49204949598a23f501be6eec21697465fd46a28840aDmitry Shmidtstruct wpabuf * wps_build_probe_req_ie(u16 pw_id, struct wps_device_data *dev, 4938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *uuid, 4948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum wps_request_type req_type, 4958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int num_req_dev_types, 4968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *req_dev_types) 4978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *ie; 4998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPS: Building WPS IE for Probe Request"); 5018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie = wpabuf_alloc(500); 5038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ie == NULL) 5048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 5058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_build_version(ie) || 5078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_req_type(ie, req_type) || 5081f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt wps_build_config_methods(ie, dev->config_methods) || 5098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_uuid_e(ie, uuid) || 5108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_primary_dev_type(dev, ie) || 511b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt wps_build_rf_bands(dev, ie, 0) || 5128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_assoc_state(NULL, ie) || 5138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_config_error(ie, WPS_CFG_NO_ERROR) || 51404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wps_build_dev_password_id(ie, pw_id) || 5158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_manufacturer(dev, ie) || 5168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_model_name(dev, ie) || 5178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_model_number(dev, ie) || 5188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_dev_name(dev, ie) || 5198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_wfa_ext(ie, req_type == WPS_REQ_ENROLLEE, NULL, 0) || 5208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_req_dev_type(dev, ie, num_req_dev_types, req_dev_types) 5218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt || 5228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_build_secondary_dev_type(dev, ie) 5238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ) { 5248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(ie); 5258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 5268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return wps_ie_encapsulate(ie); 5298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid wps_free_pending_msgs(struct upnp_pending_message *msgs) 5338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct upnp_pending_message *p, *prev; 5358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p = msgs; 5368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (p) { 5378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt prev = p; 5388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p = p->next; 5398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(prev->msg); 5408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(prev); 5418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wps_attr_text(struct wpabuf *data, char *buf, char *end) 5468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_parse_attr attr; 5488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *pos = buf; 5498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ret; 5508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wps_parse_msg(data, &attr) < 0) 5528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 5538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.wps_state) { 5558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*attr.wps_state == WPS_STATE_NOT_CONFIGURED) 5568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(pos, end - pos, 5578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wps_state=unconfigured\n"); 5588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (*attr.wps_state == WPS_STATE_CONFIGURED) 5598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(pos, end - pos, 5608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wps_state=configured\n"); 5618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 5628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = 0; 5638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || ret >= end - pos) 5648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos - buf; 5658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += ret; 5668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.ap_setup_locked && *attr.ap_setup_locked) { 5698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(pos, end - pos, 5708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wps_ap_setup_locked=1\n"); 5718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || ret >= end - pos) 5728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos - buf; 5738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += ret; 5748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.selected_registrar && *attr.selected_registrar) { 5778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(pos, end - pos, 5788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wps_selected_registrar=1\n"); 5798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || ret >= end - pos) 5808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos - buf; 5818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += ret; 5828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.dev_password_id) { 5858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(pos, end - pos, 5868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wps_device_password_id=%u\n", 5878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_GET_BE16(attr.dev_password_id)); 5888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || ret >= end - pos) 5898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos - buf; 5908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += ret; 5918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.sel_reg_config_methods) { 5948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(pos, end - pos, 5958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wps_selected_registrar_config_methods=" 5968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "0x%04x\n", 5978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_GET_BE16(attr.sel_reg_config_methods)); 5988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || ret >= end - pos) 5998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos - buf; 6008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += ret; 6018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.primary_dev_type) { 6048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char devtype[WPS_DEV_TYPE_BUFSIZE]; 6058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(pos, end - pos, 6068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wps_primary_device_type=%s\n", 6078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wps_dev_type_bin2str(attr.primary_dev_type, 6088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt devtype, 6098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(devtype))); 6108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || ret >= end - pos) 6118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos - buf; 6128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += ret; 6138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.dev_name) { 6168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *str = os_malloc(attr.dev_name_len + 1); 6178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t i; 6188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (str == NULL) 6198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos - buf; 6208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < attr.dev_name_len; i++) { 6218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.dev_name[i] < 32) 6228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt str[i] = '_'; 6238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 6248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt str[i] = attr.dev_name[i]; 6258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt str[i] = '\0'; 6278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(pos, end - pos, "wps_device_name=%s\n", str); 6288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(str); 6298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || ret >= end - pos) 6308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos - buf; 6318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += ret; 6328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attr.config_methods) { 6358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(pos, end - pos, 6368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "wps_config_methods=0x%04x\n", 6378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_GET_BE16(attr.config_methods)); 6388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || ret >= end - pos) 6398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos - buf; 6408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += ret; 6418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos - buf; 6448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 645b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt 646b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt 647b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidtconst char * wps_ei_str(enum wps_error_indication ei) 648b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt{ 649b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt switch (ei) { 650b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt case WPS_EI_NO_ERROR: 651b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt return "No Error"; 652b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt case WPS_EI_SECURITY_TKIP_ONLY_PROHIBITED: 653b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt return "TKIP Only Prohibited"; 654b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt case WPS_EI_SECURITY_WEP_PROHIBITED: 655b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt return "WEP Prohibited"; 656b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt case WPS_EI_AUTH_FAILURE: 657b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt return "Authentication Failure"; 658b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt default: 659b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt return "Unknown"; 660b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt } 661b7b4d0ec07161a6d76c40ba7ef1306e82fbb7e15Dmitry Shmidt} 662