Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 1 | /* |
| 2 | * wpa_supplicant / WPS integration |
Jouni Malinen | 59307b3 | 2013-04-01 20:32:09 +0300 | [diff] [blame] | 3 | * Copyright (c) 2008-2013, Jouni Malinen <j@w1.fi> |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 4 | * |
Jouni Malinen | 0f3d578 | 2012-02-11 16:46:35 +0200 | [diff] [blame] | 5 | * This software may be distributed under the terms of the BSD license. |
| 6 | * See README for more details. |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 7 | */ |
| 8 | |
| 9 | #include "includes.h" |
| 10 | |
| 11 | #include "common.h" |
Jouni Malinen | 03da66b | 2009-11-29 23:04:43 +0200 | [diff] [blame] | 12 | #include "eloop.h" |
| 13 | #include "uuid.h" |
Jouni Malinen | 3f2c8ba | 2012-06-27 18:56:41 +0300 | [diff] [blame] | 14 | #include "crypto/random.h" |
Jouni Malinen | 03da66b | 2009-11-29 23:04:43 +0200 | [diff] [blame] | 15 | #include "crypto/dh_group5.h" |
Jouni Malinen | 90973fb | 2009-11-29 17:51:55 +0200 | [diff] [blame] | 16 | #include "common/ieee802_11_defs.h" |
| 17 | #include "common/ieee802_11_common.h" |
| 18 | #include "common/wpa_common.h" |
Jouni Malinen | 03da66b | 2009-11-29 23:04:43 +0200 | [diff] [blame] | 19 | #include "common/wpa_ctrl.h" |
| 20 | #include "eap_common/eap_wsc_common.h" |
Jouni Malinen | b01c18a | 2008-11-29 13:38:03 +0200 | [diff] [blame] | 21 | #include "eap_peer/eap.h" |
Jouni Malinen | 20a0b03 | 2011-06-27 19:02:24 +0300 | [diff] [blame] | 22 | #include "eapol_supp/eapol_supp_sm.h" |
Jouni Malinen | 03da66b | 2009-11-29 23:04:43 +0200 | [diff] [blame] | 23 | #include "rsn_supp/wpa.h" |
Jouni Malinen | d7645d2 | 2012-06-28 13:59:29 +0300 | [diff] [blame] | 24 | #include "wps/wps_attr_parse.h" |
Jouni Malinen | 03da66b | 2009-11-29 23:04:43 +0200 | [diff] [blame] | 25 | #include "config.h" |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 26 | #include "wpa_supplicant_i.h" |
Jouni Malinen | 2d5b792 | 2009-03-26 20:37:05 +0200 | [diff] [blame] | 27 | #include "driver_i.h" |
Jouni Malinen | 8bac466 | 2009-09-13 20:53:32 +0300 | [diff] [blame] | 28 | #include "notify.h" |
Jouni Malinen | a609915 | 2009-01-23 13:10:58 +0200 | [diff] [blame] | 29 | #include "blacklist.h" |
Jouni Malinen | 59f2caa | 2010-01-02 13:36:12 +0200 | [diff] [blame] | 30 | #include "bss.h" |
Jouni Malinen | 9ba9fa0 | 2010-01-03 18:48:11 +0200 | [diff] [blame] | 31 | #include "scan.h" |
Ardong Chen | 2f9929f | 2010-09-06 20:51:06 +0300 | [diff] [blame] | 32 | #include "ap.h" |
Jouni Malinen | e9a7ae4 | 2010-08-05 09:15:11 -0700 | [diff] [blame] | 33 | #include "p2p/p2p.h" |
Jouni Malinen | b22128e | 2010-07-18 14:30:25 -0700 | [diff] [blame] | 34 | #include "p2p_supplicant.h" |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 35 | #include "wps_supplicant.h" |
| 36 | |
Jouni Malinen | f7e5436 | 2009-12-28 16:07:15 +0200 | [diff] [blame] | 37 | |
Jouni Malinen | 31fcea9 | 2009-12-12 16:40:10 +0200 | [diff] [blame] | 38 | #ifndef WPS_PIN_SCAN_IGNORE_SEL_REG |
Jouni Malinen | a609915 | 2009-01-23 13:10:58 +0200 | [diff] [blame] | 39 | #define WPS_PIN_SCAN_IGNORE_SEL_REG 3 |
Jouni Malinen | 31fcea9 | 2009-12-12 16:40:10 +0200 | [diff] [blame] | 40 | #endif /* WPS_PIN_SCAN_IGNORE_SEL_REG */ |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 41 | |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 42 | static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx); |
Jouni Malinen | 469fc3a | 2008-12-19 22:19:41 +0200 | [diff] [blame] | 43 | static void wpas_clear_wps(struct wpa_supplicant *wpa_s); |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 44 | |
| 45 | |
Jouni Malinen | f9f0526 | 2012-08-27 13:48:11 +0300 | [diff] [blame] | 46 | static void wpas_wps_clear_ap_info(struct wpa_supplicant *wpa_s) |
| 47 | { |
| 48 | os_free(wpa_s->wps_ap); |
| 49 | wpa_s->wps_ap = NULL; |
| 50 | wpa_s->num_wps_ap = 0; |
| 51 | wpa_s->wps_ap_iter = 0; |
| 52 | } |
| 53 | |
| 54 | |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 55 | int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s) |
| 56 | { |
Jouni Malinen | a609915 | 2009-01-23 13:10:58 +0200 | [diff] [blame] | 57 | if (!wpa_s->wps_success && |
| 58 | wpa_s->current_ssid && |
| 59 | eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) { |
| 60 | const u8 *bssid = wpa_s->bssid; |
| 61 | if (is_zero_ether_addr(bssid)) |
| 62 | bssid = wpa_s->pending_bssid; |
| 63 | |
| 64 | wpa_printf(MSG_DEBUG, "WPS: PIN registration with " MACSTR |
| 65 | " did not succeed - continue trying to find " |
| 66 | "suitable AP", MAC2STR(bssid)); |
| 67 | wpa_blacklist_add(wpa_s, bssid); |
| 68 | |
| 69 | wpa_supplicant_deauthenticate(wpa_s, |
| 70 | WLAN_REASON_DEAUTH_LEAVING); |
| 71 | wpa_s->reassociate = 1; |
| 72 | wpa_supplicant_req_scan(wpa_s, |
| 73 | wpa_s->blacklist_cleared ? 5 : 0, 0); |
| 74 | wpa_s->blacklist_cleared = 0; |
| 75 | return 1; |
| 76 | } |
| 77 | |
Jouni Malinen | f9f0526 | 2012-08-27 13:48:11 +0300 | [diff] [blame] | 78 | wpas_wps_clear_ap_info(wpa_s); |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 79 | eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); |
Chao-Wen Yang | 449adba | 2011-01-13 18:04:33 +0200 | [diff] [blame] | 80 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && !wpa_s->wps_success) |
| 81 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL); |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 82 | |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 83 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid && |
| 84 | !(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { |
Jouni Malinen | f981eab | 2010-12-22 11:33:59 +0200 | [diff] [blame] | 85 | int disabled = wpa_s->current_ssid->disabled; |
Jouni Malinen | a565c23 | 2012-02-12 13:54:15 +0200 | [diff] [blame] | 86 | unsigned int freq = wpa_s->assoc_freq; |
Masashi Honma | 97236ce | 2013-03-31 20:06:42 +0300 | [diff] [blame] | 87 | struct wpa_bss *bss; |
| 88 | struct wpa_ssid *ssid = NULL; |
| 89 | int use_fast_assoc = 0; |
| 90 | |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 91 | wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - " |
Jouni Malinen | a565c23 | 2012-02-12 13:54:15 +0200 | [diff] [blame] | 92 | "try to associate with the received credential " |
| 93 | "(freq=%u)", freq); |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 94 | wpa_supplicant_deauthenticate(wpa_s, |
| 95 | WLAN_REASON_DEAUTH_LEAVING); |
Jouni Malinen | f981eab | 2010-12-22 11:33:59 +0200 | [diff] [blame] | 96 | if (disabled) { |
| 97 | wpa_printf(MSG_DEBUG, "WPS: Current network is " |
| 98 | "disabled - wait for user to enable"); |
| 99 | return 1; |
| 100 | } |
Jouni Malinen | 17a4734 | 2010-04-11 19:06:42 +0300 | [diff] [blame] | 101 | wpa_s->after_wps = 5; |
Jouni Malinen | a565c23 | 2012-02-12 13:54:15 +0200 | [diff] [blame] | 102 | wpa_s->wps_freq = freq; |
Jouni Malinen | 0b7a25c | 2011-11-28 18:36:36 +0200 | [diff] [blame] | 103 | wpa_s->normal_scans = 0; |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 104 | wpa_s->reassociate = 1; |
Masashi Honma | 97236ce | 2013-03-31 20:06:42 +0300 | [diff] [blame] | 105 | |
| 106 | wpa_printf(MSG_DEBUG, "WPS: Checking whether fast association " |
| 107 | "without a new scan can be used"); |
| 108 | bss = wpa_supplicant_pick_network(wpa_s, &ssid); |
| 109 | if (bss) { |
| 110 | struct wpabuf *wps; |
| 111 | struct wps_parse_attr attr; |
| 112 | |
| 113 | wps = wpa_bss_get_vendor_ie_multi(bss, |
| 114 | WPS_IE_VENDOR_TYPE); |
| 115 | if (wps && wps_parse_msg(wps, &attr) == 0 && |
| 116 | attr.wps_state && |
| 117 | *attr.wps_state == WPS_STATE_CONFIGURED) |
| 118 | use_fast_assoc = 1; |
| 119 | wpabuf_free(wps); |
| 120 | } |
| 121 | |
| 122 | if (!use_fast_assoc || |
| 123 | wpa_supplicant_fast_associate(wpa_s) != 1) |
| 124 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 125 | return 1; |
| 126 | } |
| 127 | |
Jouni Malinen | 4766216 | 2009-01-18 12:27:12 +0200 | [diff] [blame] | 128 | if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid) { |
| 129 | wpa_printf(MSG_DEBUG, "WPS: Registration completed - waiting " |
| 130 | "for external credential processing"); |
| 131 | wpas_clear_wps(wpa_s); |
| 132 | wpa_supplicant_deauthenticate(wpa_s, |
| 133 | WLAN_REASON_DEAUTH_LEAVING); |
| 134 | return 1; |
| 135 | } |
| 136 | |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 137 | return 0; |
| 138 | } |
| 139 | |
| 140 | |
Jouni Malinen | 7cc1b6c | 2009-03-05 21:39:39 +0200 | [diff] [blame] | 141 | static void wpas_wps_security_workaround(struct wpa_supplicant *wpa_s, |
| 142 | struct wpa_ssid *ssid, |
| 143 | const struct wps_credential *cred) |
| 144 | { |
| 145 | struct wpa_driver_capa capa; |
Jouni Malinen | 59f2caa | 2010-01-02 13:36:12 +0200 | [diff] [blame] | 146 | struct wpa_bss *bss; |
Jouni Malinen | 7cc1b6c | 2009-03-05 21:39:39 +0200 | [diff] [blame] | 147 | const u8 *ie; |
| 148 | struct wpa_ie_data adv; |
| 149 | int wpa2 = 0, ccmp = 0; |
| 150 | |
| 151 | /* |
| 152 | * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in |
| 153 | * case they are configured for mixed mode operation (WPA+WPA2 and |
| 154 | * TKIP+CCMP). Try to use scan results to figure out whether the AP |
| 155 | * actually supports stronger security and select that if the client |
| 156 | * has support for it, too. |
| 157 | */ |
| 158 | |
| 159 | if (wpa_drv_get_capa(wpa_s, &capa)) |
| 160 | return; /* Unknown what driver supports */ |
| 161 | |
Jouni Malinen | d87e90b | 2011-07-15 14:21:50 +0300 | [diff] [blame] | 162 | if (ssid->ssid == NULL) |
| 163 | return; |
Jouni Malinen | 59f2caa | 2010-01-02 13:36:12 +0200 | [diff] [blame] | 164 | bss = wpa_bss_get(wpa_s, cred->mac_addr, ssid->ssid, ssid->ssid_len); |
| 165 | if (bss == NULL) { |
| 166 | wpa_printf(MSG_DEBUG, "WPS: The AP was not found from BSS " |
| 167 | "table - use credential as-is"); |
Jouni Malinen | 7cc1b6c | 2009-03-05 21:39:39 +0200 | [diff] [blame] | 168 | return; |
| 169 | } |
| 170 | |
Jouni Malinen | 59f2caa | 2010-01-02 13:36:12 +0200 | [diff] [blame] | 171 | wpa_printf(MSG_DEBUG, "WPS: AP found from BSS table"); |
| 172 | |
| 173 | ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); |
Jouni Malinen | 7cc1b6c | 2009-03-05 21:39:39 +0200 | [diff] [blame] | 174 | if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) { |
| 175 | wpa2 = 1; |
| 176 | if (adv.pairwise_cipher & WPA_CIPHER_CCMP) |
| 177 | ccmp = 1; |
| 178 | } else { |
Jouni Malinen | 59f2caa | 2010-01-02 13:36:12 +0200 | [diff] [blame] | 179 | ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); |
Jouni Malinen | 7cc1b6c | 2009-03-05 21:39:39 +0200 | [diff] [blame] | 180 | if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 && |
| 181 | adv.pairwise_cipher & WPA_CIPHER_CCMP) |
| 182 | ccmp = 1; |
| 183 | } |
| 184 | |
| 185 | if (ie == NULL && (ssid->proto & WPA_PROTO_WPA) && |
| 186 | (ssid->pairwise_cipher & WPA_CIPHER_TKIP)) { |
| 187 | /* |
| 188 | * TODO: This could be the initial AP configuration and the |
| 189 | * Beacon contents could change shortly. Should request a new |
| 190 | * scan and delay addition of the network until the updated |
| 191 | * scan results are available. |
| 192 | */ |
| 193 | wpa_printf(MSG_DEBUG, "WPS: The AP did not yet advertise WPA " |
| 194 | "support - use credential as-is"); |
| 195 | return; |
| 196 | } |
| 197 | |
| 198 | if (ccmp && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) && |
| 199 | (ssid->pairwise_cipher & WPA_CIPHER_TKIP) && |
| 200 | (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) { |
| 201 | wpa_printf(MSG_DEBUG, "WPS: Add CCMP into the credential " |
| 202 | "based on scan results"); |
| 203 | if (wpa_s->conf->ap_scan == 1) |
| 204 | ssid->pairwise_cipher |= WPA_CIPHER_CCMP; |
| 205 | else |
| 206 | ssid->pairwise_cipher = WPA_CIPHER_CCMP; |
| 207 | } |
| 208 | |
| 209 | if (wpa2 && !(ssid->proto & WPA_PROTO_RSN) && |
| 210 | (ssid->proto & WPA_PROTO_WPA) && |
| 211 | (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP)) { |
| 212 | wpa_printf(MSG_DEBUG, "WPS: Add WPA2 into the credential " |
| 213 | "based on scan results"); |
| 214 | if (wpa_s->conf->ap_scan == 1) |
| 215 | ssid->proto |= WPA_PROTO_RSN; |
| 216 | else |
| 217 | ssid->proto = WPA_PROTO_RSN; |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | |
Vinayak Kamath | 741ed9f | 2013-04-30 13:35:50 +0300 | [diff] [blame] | 222 | static void wpas_wps_remove_dup_network(struct wpa_supplicant *wpa_s, |
| 223 | struct wpa_ssid *new_ssid) |
| 224 | { |
| 225 | struct wpa_ssid *ssid, *next; |
| 226 | |
| 227 | for (ssid = wpa_s->conf->ssid, next = ssid ? ssid->next : NULL; ssid; |
| 228 | ssid = next, next = ssid ? ssid->next : NULL) { |
| 229 | /* |
| 230 | * new_ssid has already been added to the list in |
| 231 | * wpas_wps_add_network(), so skip it. |
| 232 | */ |
| 233 | if (ssid == new_ssid) |
| 234 | continue; |
| 235 | |
| 236 | if (ssid->bssid_set || new_ssid->bssid_set) { |
| 237 | if (ssid->bssid_set != new_ssid->bssid_set) |
| 238 | continue; |
| 239 | if (os_memcmp(ssid->bssid, new_ssid->bssid, ETH_ALEN) != |
| 240 | 0) |
| 241 | continue; |
| 242 | } |
| 243 | |
| 244 | /* compare SSID */ |
| 245 | if (ssid->ssid_len == 0 || ssid->ssid_len != new_ssid->ssid_len) |
| 246 | continue; |
| 247 | |
| 248 | if (ssid->ssid && new_ssid->ssid) { |
| 249 | if (os_memcmp(ssid->ssid, new_ssid->ssid, |
| 250 | ssid->ssid_len) != 0) |
| 251 | continue; |
| 252 | } else if (ssid->ssid || new_ssid->ssid) |
| 253 | continue; |
| 254 | |
| 255 | /* compare security parameters */ |
| 256 | if (ssid->auth_alg != new_ssid->auth_alg || |
| 257 | ssid->key_mgmt != new_ssid->key_mgmt || |
| 258 | ssid->proto != new_ssid->proto || |
| 259 | ssid->pairwise_cipher != new_ssid->pairwise_cipher || |
| 260 | ssid->group_cipher != new_ssid->group_cipher) |
| 261 | continue; |
| 262 | |
Vinayak Kamath | 741ed9f | 2013-04-30 13:35:50 +0300 | [diff] [blame] | 263 | /* Remove the duplicated older network entry. */ |
| 264 | wpa_printf(MSG_DEBUG, "Remove duplicate network %d", ssid->id); |
| 265 | wpas_notify_network_removed(wpa_s, ssid); |
| 266 | wpa_config_remove_network(wpa_s->conf, ssid->id); |
| 267 | } |
| 268 | } |
| 269 | |
| 270 | |
Jouni Malinen | bcbbc7a | 2008-11-28 20:02:32 +0200 | [diff] [blame] | 271 | static int wpa_supplicant_wps_cred(void *ctx, |
| 272 | const struct wps_credential *cred) |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 273 | { |
| 274 | struct wpa_supplicant *wpa_s = ctx; |
| 275 | struct wpa_ssid *ssid = wpa_s->current_ssid; |
Andriy Tkachuk | 522b5b6 | 2009-02-18 19:58:44 +0200 | [diff] [blame] | 276 | u8 key_idx = 0; |
Jouni Malinen | 49eba5f | 2009-08-15 20:40:45 +0300 | [diff] [blame] | 277 | u16 auth_type; |
Andrii Bordunov | 2c4f80d | 2011-10-22 22:21:53 +0300 | [diff] [blame] | 278 | #ifdef CONFIG_WPS_REG_DISABLE_OPEN |
Jouni Malinen | f981eab | 2010-12-22 11:33:59 +0200 | [diff] [blame] | 279 | int registrar = 0; |
Andrii Bordunov | 2c4f80d | 2011-10-22 22:21:53 +0300 | [diff] [blame] | 280 | #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 281 | |
Jouni Malinen | 4766216 | 2009-01-18 12:27:12 +0200 | [diff] [blame] | 282 | if ((wpa_s->conf->wps_cred_processing == 1 || |
| 283 | wpa_s->conf->wps_cred_processing == 2) && cred->cred_attr) { |
| 284 | size_t blen = cred->cred_attr_len * 2 + 1; |
| 285 | char *buf = os_malloc(blen); |
| 286 | if (buf) { |
| 287 | wpa_snprintf_hex(buf, blen, |
| 288 | cred->cred_attr, cred->cred_attr_len); |
| 289 | wpa_msg(wpa_s, MSG_INFO, "%s%s", |
| 290 | WPS_EVENT_CRED_RECEIVED, buf); |
| 291 | os_free(buf); |
| 292 | } |
Jouni Malinen | 8bac466 | 2009-09-13 20:53:32 +0300 | [diff] [blame] | 293 | |
| 294 | wpas_notify_wps_credential(wpa_s, cred); |
Jouni Malinen | 4766216 | 2009-01-18 12:27:12 +0200 | [diff] [blame] | 295 | } else |
| 296 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED); |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 297 | |
Jouni Malinen | eca6e0a | 2009-01-17 22:17:12 +0200 | [diff] [blame] | 298 | wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute", |
| 299 | cred->cred_attr, cred->cred_attr_len); |
| 300 | |
Jouni Malinen | 4766216 | 2009-01-18 12:27:12 +0200 | [diff] [blame] | 301 | if (wpa_s->conf->wps_cred_processing == 1) |
| 302 | return 0; |
| 303 | |
Jouni Malinen | 73267b9 | 2009-03-30 19:00:55 +0300 | [diff] [blame] | 304 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len); |
| 305 | wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x", |
| 306 | cred->auth_type); |
| 307 | wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type); |
| 308 | wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx); |
| 309 | wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key", |
| 310 | cred->key, cred->key_len); |
| 311 | wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR, |
| 312 | MAC2STR(cred->mac_addr)); |
| 313 | |
Jouni Malinen | 49eba5f | 2009-08-15 20:40:45 +0300 | [diff] [blame] | 314 | auth_type = cred->auth_type; |
| 315 | if (auth_type == (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) { |
| 316 | wpa_printf(MSG_DEBUG, "WPS: Workaround - convert mixed-mode " |
| 317 | "auth_type into WPA2PSK"); |
| 318 | auth_type = WPS_AUTH_WPA2PSK; |
| 319 | } |
| 320 | |
| 321 | if (auth_type != WPS_AUTH_OPEN && |
| 322 | auth_type != WPS_AUTH_SHARED && |
| 323 | auth_type != WPS_AUTH_WPAPSK && |
| 324 | auth_type != WPS_AUTH_WPA2PSK) { |
Jouni Malinen | f286077 | 2009-01-17 21:45:51 +0200 | [diff] [blame] | 325 | wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for " |
Jouni Malinen | 49eba5f | 2009-08-15 20:40:45 +0300 | [diff] [blame] | 326 | "unsupported authentication type 0x%x", |
| 327 | auth_type); |
Jouni Malinen | f286077 | 2009-01-17 21:45:51 +0200 | [diff] [blame] | 328 | return 0; |
| 329 | } |
| 330 | |
Jouni Malinen | b363121 | 2012-11-01 16:30:35 +0200 | [diff] [blame] | 331 | if (auth_type == WPS_AUTH_WPAPSK || auth_type == WPS_AUTH_WPA2PSK) { |
| 332 | if (cred->key_len < 8 || cred->key_len > 2 * PMK_LEN) { |
| 333 | wpa_printf(MSG_ERROR, "WPS: Reject PSK credential with " |
| 334 | "invalid Network Key length %lu", |
| 335 | (unsigned long) cred->key_len); |
| 336 | return -1; |
| 337 | } |
| 338 | } |
| 339 | |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 340 | if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) { |
| 341 | wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based " |
| 342 | "on the received credential"); |
Andrii Bordunov | 2c4f80d | 2011-10-22 22:21:53 +0300 | [diff] [blame] | 343 | #ifdef CONFIG_WPS_REG_DISABLE_OPEN |
Jouni Malinen | f981eab | 2010-12-22 11:33:59 +0200 | [diff] [blame] | 344 | if (ssid->eap.identity && |
| 345 | ssid->eap.identity_len == WSC_ID_REGISTRAR_LEN && |
| 346 | os_memcmp(ssid->eap.identity, WSC_ID_REGISTRAR, |
| 347 | WSC_ID_REGISTRAR_LEN) == 0) |
| 348 | registrar = 1; |
Andrii Bordunov | 2c4f80d | 2011-10-22 22:21:53 +0300 | [diff] [blame] | 349 | #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 350 | os_free(ssid->eap.identity); |
| 351 | ssid->eap.identity = NULL; |
| 352 | ssid->eap.identity_len = 0; |
| 353 | os_free(ssid->eap.phase1); |
| 354 | ssid->eap.phase1 = NULL; |
| 355 | os_free(ssid->eap.eap_methods); |
| 356 | ssid->eap.eap_methods = NULL; |
Jouni Malinen | cae2119 | 2012-07-25 16:18:12 +0300 | [diff] [blame] | 357 | if (!ssid->p2p_group) { |
Jouni Malinen | 2ff99b3 | 2010-07-18 14:30:24 -0700 | [diff] [blame] | 358 | ssid->temporary = 0; |
Jouni Malinen | cae2119 | 2012-07-25 16:18:12 +0300 | [diff] [blame] | 359 | ssid->bssid_set = 0; |
| 360 | } |
Jouni Malinen | 00e5e3d | 2012-08-26 23:01:26 +0300 | [diff] [blame] | 361 | ssid->disabled_until.sec = 0; |
| 362 | ssid->disabled_until.usec = 0; |
| 363 | ssid->auth_failures = 0; |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 364 | } else { |
| 365 | wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the " |
| 366 | "received credential"); |
| 367 | ssid = wpa_config_add_network(wpa_s->conf); |
| 368 | if (ssid == NULL) |
| 369 | return -1; |
Jouni Malinen | 8bac466 | 2009-09-13 20:53:32 +0300 | [diff] [blame] | 370 | wpas_notify_network_added(wpa_s, ssid); |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 371 | } |
| 372 | |
| 373 | wpa_config_set_network_defaults(ssid); |
| 374 | |
| 375 | os_free(ssid->ssid); |
| 376 | ssid->ssid = os_malloc(cred->ssid_len); |
| 377 | if (ssid->ssid) { |
| 378 | os_memcpy(ssid->ssid, cred->ssid, cred->ssid_len); |
| 379 | ssid->ssid_len = cred->ssid_len; |
| 380 | } |
| 381 | |
| 382 | switch (cred->encr_type) { |
| 383 | case WPS_ENCR_NONE: |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 384 | break; |
| 385 | case WPS_ENCR_WEP: |
Andriy Tkachuk | 4b195a1 | 2009-02-17 10:30:43 +0200 | [diff] [blame] | 386 | if (cred->key_len <= 0) |
| 387 | break; |
| 388 | if (cred->key_len != 5 && cred->key_len != 13 && |
| 389 | cred->key_len != 10 && cred->key_len != 26) { |
| 390 | wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key length " |
| 391 | "%lu", (unsigned long) cred->key_len); |
| 392 | return -1; |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 393 | } |
Andriy Tkachuk | 522b5b6 | 2009-02-18 19:58:44 +0200 | [diff] [blame] | 394 | if (cred->key_idx > NUM_WEP_KEYS) { |
Andriy Tkachuk | 4b195a1 | 2009-02-17 10:30:43 +0200 | [diff] [blame] | 395 | wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key index %d", |
| 396 | cred->key_idx); |
| 397 | return -1; |
| 398 | } |
Andriy Tkachuk | 522b5b6 | 2009-02-18 19:58:44 +0200 | [diff] [blame] | 399 | if (cred->key_idx) |
| 400 | key_idx = cred->key_idx - 1; |
Andriy Tkachuk | 4b195a1 | 2009-02-17 10:30:43 +0200 | [diff] [blame] | 401 | if (cred->key_len == 10 || cred->key_len == 26) { |
| 402 | if (hexstr2bin((char *) cred->key, |
| 403 | ssid->wep_key[key_idx], |
| 404 | cred->key_len / 2) < 0) { |
| 405 | wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key " |
| 406 | "%d", key_idx); |
| 407 | return -1; |
| 408 | } |
| 409 | ssid->wep_key_len[key_idx] = cred->key_len / 2; |
| 410 | } else { |
| 411 | os_memcpy(ssid->wep_key[key_idx], cred->key, |
| 412 | cred->key_len); |
| 413 | ssid->wep_key_len[key_idx] = cred->key_len; |
| 414 | } |
| 415 | ssid->wep_tx_keyidx = key_idx; |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 416 | break; |
| 417 | case WPS_ENCR_TKIP: |
| 418 | ssid->pairwise_cipher = WPA_CIPHER_TKIP; |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 419 | break; |
| 420 | case WPS_ENCR_AES: |
| 421 | ssid->pairwise_cipher = WPA_CIPHER_CCMP; |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 422 | break; |
| 423 | } |
| 424 | |
Jouni Malinen | 49eba5f | 2009-08-15 20:40:45 +0300 | [diff] [blame] | 425 | switch (auth_type) { |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 426 | case WPS_AUTH_OPEN: |
| 427 | ssid->auth_alg = WPA_AUTH_ALG_OPEN; |
| 428 | ssid->key_mgmt = WPA_KEY_MGMT_NONE; |
| 429 | ssid->proto = 0; |
Jouni Malinen | f981eab | 2010-12-22 11:33:59 +0200 | [diff] [blame] | 430 | #ifdef CONFIG_WPS_REG_DISABLE_OPEN |
| 431 | if (registrar) { |
| 432 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OPEN_NETWORK |
| 433 | "id=%d - Credentials for an open " |
| 434 | "network disabled by default - use " |
| 435 | "'select_network %d' to enable", |
| 436 | ssid->id, ssid->id); |
| 437 | ssid->disabled = 1; |
| 438 | } |
| 439 | #endif /* CONFIG_WPS_REG_DISABLE_OPEN */ |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 440 | break; |
| 441 | case WPS_AUTH_SHARED: |
| 442 | ssid->auth_alg = WPA_AUTH_ALG_SHARED; |
| 443 | ssid->key_mgmt = WPA_KEY_MGMT_NONE; |
| 444 | ssid->proto = 0; |
| 445 | break; |
| 446 | case WPS_AUTH_WPAPSK: |
| 447 | ssid->auth_alg = WPA_AUTH_ALG_OPEN; |
| 448 | ssid->key_mgmt = WPA_KEY_MGMT_PSK; |
| 449 | ssid->proto = WPA_PROTO_WPA; |
| 450 | break; |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 451 | case WPS_AUTH_WPA2PSK: |
| 452 | ssid->auth_alg = WPA_AUTH_ALG_OPEN; |
| 453 | ssid->key_mgmt = WPA_KEY_MGMT_PSK; |
| 454 | ssid->proto = WPA_PROTO_RSN; |
| 455 | break; |
| 456 | } |
| 457 | |
| 458 | if (ssid->key_mgmt == WPA_KEY_MGMT_PSK) { |
| 459 | if (cred->key_len == 2 * PMK_LEN) { |
| 460 | if (hexstr2bin((const char *) cred->key, ssid->psk, |
| 461 | PMK_LEN)) { |
| 462 | wpa_printf(MSG_ERROR, "WPS: Invalid Network " |
| 463 | "Key"); |
| 464 | return -1; |
| 465 | } |
| 466 | ssid->psk_set = 1; |
Johannes Berg | d1c8ac8 | 2011-02-02 17:00:12 +0200 | [diff] [blame] | 467 | ssid->export_keys = 1; |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 468 | } else if (cred->key_len >= 8 && cred->key_len < 2 * PMK_LEN) { |
| 469 | os_free(ssid->passphrase); |
| 470 | ssid->passphrase = os_malloc(cred->key_len + 1); |
| 471 | if (ssid->passphrase == NULL) |
| 472 | return -1; |
| 473 | os_memcpy(ssid->passphrase, cred->key, cred->key_len); |
| 474 | ssid->passphrase[cred->key_len] = '\0'; |
| 475 | wpa_config_update_psk(ssid); |
Johannes Berg | d1c8ac8 | 2011-02-02 17:00:12 +0200 | [diff] [blame] | 476 | ssid->export_keys = 1; |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 477 | } else { |
| 478 | wpa_printf(MSG_ERROR, "WPS: Invalid Network Key " |
| 479 | "length %lu", |
| 480 | (unsigned long) cred->key_len); |
| 481 | return -1; |
| 482 | } |
| 483 | } |
| 484 | |
Jouni Malinen | 7cc1b6c | 2009-03-05 21:39:39 +0200 | [diff] [blame] | 485 | wpas_wps_security_workaround(wpa_s, ssid, cred); |
| 486 | |
Jouni Malinen | bd3a373 | 2012-10-28 18:02:04 +0200 | [diff] [blame] | 487 | if (cred->ap_channel) |
| 488 | wpa_s->wps_ap_channel = cred->ap_channel; |
| 489 | |
Vinayak Kamath | 741ed9f | 2013-04-30 13:35:50 +0300 | [diff] [blame] | 490 | wpas_wps_remove_dup_network(wpa_s, ssid); |
| 491 | |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 492 | #ifndef CONFIG_NO_CONFIG_WRITE |
| 493 | if (wpa_s->conf->update_config && |
| 494 | wpa_config_write(wpa_s->confname, wpa_s->conf)) { |
| 495 | wpa_printf(MSG_DEBUG, "WPS: Failed to update configuration"); |
| 496 | return -1; |
| 497 | } |
| 498 | #endif /* CONFIG_NO_CONFIG_WRITE */ |
| 499 | |
Sunil Dutt | 6fbcbc0 | 2012-12-21 15:30:39 +0200 | [diff] [blame] | 500 | /* |
| 501 | * Optimize the post-WPS scan based on the channel used during |
| 502 | * the provisioning in case EAP-Failure is not received. |
| 503 | */ |
| 504 | wpa_s->after_wps = 5; |
| 505 | wpa_s->wps_freq = wpa_s->assoc_freq; |
| 506 | |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 507 | return 0; |
| 508 | } |
| 509 | |
| 510 | |
Jouni Malinen | b89883a | 2011-02-22 12:20:16 +0200 | [diff] [blame] | 511 | #ifdef CONFIG_P2P |
| 512 | static void wpas_wps_pbc_overlap_cb(void *eloop_ctx, void *timeout_ctx) |
| 513 | { |
| 514 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 515 | wpas_p2p_notif_pbc_overlap(wpa_s); |
| 516 | } |
| 517 | #endif /* CONFIG_P2P */ |
| 518 | |
| 519 | |
Jouni Malinen | 4b68290 | 2008-12-18 21:58:42 +0200 | [diff] [blame] | 520 | static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s, |
| 521 | struct wps_event_m2d *m2d) |
| 522 | { |
| 523 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_M2D |
| 524 | "dev_password_id=%d config_error=%d", |
| 525 | m2d->dev_password_id, m2d->config_error); |
Jouni Malinen | 8bac466 | 2009-09-13 20:53:32 +0300 | [diff] [blame] | 526 | wpas_notify_wps_event_m2d(wpa_s, m2d); |
Jouni Malinen | b89883a | 2011-02-22 12:20:16 +0200 | [diff] [blame] | 527 | #ifdef CONFIG_P2P |
| 528 | if (wpa_s->parent && wpa_s->parent != wpa_s) { |
| 529 | wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_M2D |
| 530 | "dev_password_id=%d config_error=%d", |
| 531 | m2d->dev_password_id, m2d->config_error); |
| 532 | } |
| 533 | if (m2d->config_error == WPS_CFG_MULTIPLE_PBC_DETECTED) { |
| 534 | /* |
| 535 | * Notify P2P from eloop timeout to avoid issues with the |
| 536 | * interface getting removed while processing a message. |
| 537 | */ |
| 538 | eloop_register_timeout(0, 0, wpas_wps_pbc_overlap_cb, wpa_s, |
| 539 | NULL); |
| 540 | } |
| 541 | #endif /* CONFIG_P2P */ |
Jouni Malinen | 4b68290 | 2008-12-18 21:58:42 +0200 | [diff] [blame] | 542 | } |
| 543 | |
| 544 | |
Jouni Malinen | 2e145e9 | 2013-08-23 17:43:01 +0300 | [diff] [blame] | 545 | static void wpas_wps_clear_timeout(void *eloop_ctx, void *timeout_ctx) |
| 546 | { |
| 547 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 548 | wpa_printf(MSG_DEBUG, "WPS: Clear WPS network from timeout"); |
| 549 | wpas_clear_wps(wpa_s); |
| 550 | } |
| 551 | |
| 552 | |
Jouni Malinen | 469fc3a | 2008-12-19 22:19:41 +0200 | [diff] [blame] | 553 | static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s, |
| 554 | struct wps_event_fail *fail) |
| 555 | { |
Chao-Wen Yang | c5cf0a1 | 2011-01-13 17:50:59 +0200 | [diff] [blame] | 556 | if (fail->error_indication > 0 && |
| 557 | fail->error_indication < NUM_WPS_EI_VALUES) { |
| 558 | wpa_msg(wpa_s, MSG_INFO, |
| 559 | WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)", |
| 560 | fail->msg, fail->config_error, fail->error_indication, |
Jouni Malinen | 961750c | 2013-07-31 17:30:45 +0300 | [diff] [blame] | 561 | wps_ei_str(fail->error_indication)); |
Chao-Wen Yang | c5cf0a1 | 2011-01-13 17:50:59 +0200 | [diff] [blame] | 562 | if (wpa_s->parent && wpa_s->parent != wpa_s) |
| 563 | wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL |
| 564 | "msg=%d config_error=%d reason=%d (%s)", |
| 565 | fail->msg, fail->config_error, |
| 566 | fail->error_indication, |
Jouni Malinen | 961750c | 2013-07-31 17:30:45 +0300 | [diff] [blame] | 567 | wps_ei_str(fail->error_indication)); |
Chao-Wen Yang | c5cf0a1 | 2011-01-13 17:50:59 +0200 | [diff] [blame] | 568 | } else { |
| 569 | wpa_msg(wpa_s, MSG_INFO, |
| 570 | WPS_EVENT_FAIL "msg=%d config_error=%d", |
Jouni Malinen | 545cc6a | 2010-10-14 20:52:31 +0300 | [diff] [blame] | 571 | fail->msg, fail->config_error); |
Chao-Wen Yang | c5cf0a1 | 2011-01-13 17:50:59 +0200 | [diff] [blame] | 572 | if (wpa_s->parent && wpa_s->parent != wpa_s) |
| 573 | wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL |
| 574 | "msg=%d config_error=%d", |
| 575 | fail->msg, fail->config_error); |
| 576 | } |
Jouni Malinen | 2e145e9 | 2013-08-23 17:43:01 +0300 | [diff] [blame] | 577 | |
| 578 | /* |
| 579 | * Need to allow WPS processing to complete, e.g., by sending WSC_NACK. |
| 580 | */ |
| 581 | wpa_printf(MSG_DEBUG, "WPS: Register timeout to clear WPS network"); |
| 582 | eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL); |
| 583 | eloop_register_timeout(0, 100000, wpas_wps_clear_timeout, wpa_s, NULL); |
| 584 | |
Jouni Malinen | 8bac466 | 2009-09-13 20:53:32 +0300 | [diff] [blame] | 585 | wpas_notify_wps_event_fail(wpa_s, fail); |
Jayant Sane | 3734552 | 2011-06-25 11:47:04 +0300 | [diff] [blame] | 586 | #ifdef CONFIG_P2P |
| 587 | wpas_p2p_wps_failed(wpa_s, fail); |
| 588 | #endif /* CONFIG_P2P */ |
Jouni Malinen | 469fc3a | 2008-12-19 22:19:41 +0200 | [diff] [blame] | 589 | } |
| 590 | |
| 591 | |
Sunil Dutt | ec947ff | 2012-10-04 21:11:04 +0300 | [diff] [blame] | 592 | static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx); |
| 593 | |
| 594 | static void wpas_wps_reenable_networks(struct wpa_supplicant *wpa_s) |
| 595 | { |
| 596 | struct wpa_ssid *ssid; |
Jouni Malinen | 318e772 | 2012-12-21 20:11:26 +0200 | [diff] [blame] | 597 | int changed = 0; |
Sunil Dutt | ec947ff | 2012-10-04 21:11:04 +0300 | [diff] [blame] | 598 | |
| 599 | eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL); |
| 600 | |
| 601 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { |
| 602 | if (ssid->disabled_for_connect && ssid->disabled) { |
| 603 | ssid->disabled_for_connect = 0; |
| 604 | ssid->disabled = 0; |
| 605 | wpas_notify_network_enabled_changed(wpa_s, ssid); |
Jouni Malinen | 318e772 | 2012-12-21 20:11:26 +0200 | [diff] [blame] | 606 | changed++; |
Sunil Dutt | ec947ff | 2012-10-04 21:11:04 +0300 | [diff] [blame] | 607 | } |
| 608 | } |
Jouni Malinen | 318e772 | 2012-12-21 20:11:26 +0200 | [diff] [blame] | 609 | |
| 610 | if (changed) { |
| 611 | #ifndef CONFIG_NO_CONFIG_WRITE |
| 612 | if (wpa_s->conf->update_config && |
| 613 | wpa_config_write(wpa_s->confname, wpa_s->conf)) { |
| 614 | wpa_printf(MSG_DEBUG, "WPS: Failed to update " |
| 615 | "configuration"); |
| 616 | } |
| 617 | #endif /* CONFIG_NO_CONFIG_WRITE */ |
| 618 | } |
Sunil Dutt | ec947ff | 2012-10-04 21:11:04 +0300 | [diff] [blame] | 619 | } |
| 620 | |
| 621 | |
| 622 | static void wpas_wps_reenable_networks_cb(void *eloop_ctx, void *timeout_ctx) |
| 623 | { |
| 624 | struct wpa_supplicant *wpa_s = eloop_ctx; |
| 625 | /* Enable the networks disabled during wpas_wps_reassoc */ |
| 626 | wpas_wps_reenable_networks(wpa_s); |
| 627 | } |
| 628 | |
| 629 | |
Jouni Malinen | ad5302a | 2008-12-19 22:34:18 +0200 | [diff] [blame] | 630 | static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s) |
| 631 | { |
| 632 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS); |
Jouni Malinen | a609915 | 2009-01-23 13:10:58 +0200 | [diff] [blame] | 633 | wpa_s->wps_success = 1; |
Jouni Malinen | 8bac466 | 2009-09-13 20:53:32 +0300 | [diff] [blame] | 634 | wpas_notify_wps_event_success(wpa_s); |
Jouni Malinen | f3e907a | 2013-05-15 17:33:50 +0300 | [diff] [blame] | 635 | if (wpa_s->current_ssid) |
| 636 | wpas_clear_temp_disabled(wpa_s, wpa_s->current_ssid, 1); |
| 637 | wpa_s->extra_blacklist_count = 0; |
Sunil Dutt | ec947ff | 2012-10-04 21:11:04 +0300 | [diff] [blame] | 638 | |
| 639 | /* |
| 640 | * Enable the networks disabled during wpas_wps_reassoc after 10 |
| 641 | * seconds. The 10 seconds timer is to allow the data connection to be |
| 642 | * formed before allowing other networks to be selected. |
| 643 | */ |
| 644 | eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s, |
| 645 | NULL); |
| 646 | |
Jouni Malinen | b22128e | 2010-07-18 14:30:25 -0700 | [diff] [blame] | 647 | #ifdef CONFIG_P2P |
| 648 | wpas_p2p_wps_success(wpa_s, wpa_s->bssid, 0); |
| 649 | #endif /* CONFIG_P2P */ |
Jouni Malinen | ad5302a | 2008-12-19 22:34:18 +0200 | [diff] [blame] | 650 | } |
| 651 | |
| 652 | |
Jouni Malinen | b78bc3a | 2009-11-15 12:07:27 +0200 | [diff] [blame] | 653 | static void wpa_supplicant_wps_event_er_ap_add(struct wpa_supplicant *wpa_s, |
| 654 | struct wps_event_er_ap *ap) |
| 655 | { |
| 656 | char uuid_str[100]; |
Jouni Malinen | ed45947 | 2009-11-26 11:54:37 +0200 | [diff] [blame] | 657 | char dev_type[WPS_DEV_TYPE_BUFSIZE]; |
Jouni Malinen | e694b34 | 2009-11-21 13:34:23 +0200 | [diff] [blame] | 658 | |
Jouni Malinen | b78bc3a | 2009-11-15 12:07:27 +0200 | [diff] [blame] | 659 | uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str)); |
Jouni Malinen | e694b34 | 2009-11-21 13:34:23 +0200 | [diff] [blame] | 660 | if (ap->pri_dev_type) |
Jouni Malinen | ed45947 | 2009-11-26 11:54:37 +0200 | [diff] [blame] | 661 | wps_dev_type_bin2str(ap->pri_dev_type, dev_type, |
| 662 | sizeof(dev_type)); |
Jouni Malinen | e694b34 | 2009-11-21 13:34:23 +0200 | [diff] [blame] | 663 | else |
| 664 | dev_type[0] = '\0'; |
| 665 | |
| 666 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_ADD "%s " MACSTR |
| 667 | " pri_dev_type=%s wps_state=%d |%s|%s|%s|%s|%s|%s|", |
| 668 | uuid_str, MAC2STR(ap->mac_addr), dev_type, ap->wps_state, |
Jouni Malinen | b78bc3a | 2009-11-15 12:07:27 +0200 | [diff] [blame] | 669 | ap->friendly_name ? ap->friendly_name : "", |
| 670 | ap->manufacturer ? ap->manufacturer : "", |
| 671 | ap->model_description ? ap->model_description : "", |
| 672 | ap->model_name ? ap->model_name : "", |
| 673 | ap->manufacturer_url ? ap->manufacturer_url : "", |
| 674 | ap->model_url ? ap->model_url : ""); |
| 675 | } |
| 676 | |
| 677 | |
| 678 | static void wpa_supplicant_wps_event_er_ap_remove(struct wpa_supplicant *wpa_s, |
| 679 | struct wps_event_er_ap *ap) |
| 680 | { |
| 681 | char uuid_str[100]; |
| 682 | uuid_bin2str(ap->uuid, uuid_str, sizeof(uuid_str)); |
| 683 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_REMOVE "%s", uuid_str); |
| 684 | } |
| 685 | |
| 686 | |
| 687 | static void wpa_supplicant_wps_event_er_enrollee_add( |
| 688 | struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee) |
| 689 | { |
| 690 | char uuid_str[100]; |
Jouni Malinen | ed45947 | 2009-11-26 11:54:37 +0200 | [diff] [blame] | 691 | char dev_type[WPS_DEV_TYPE_BUFSIZE]; |
Jouni Malinen | b78bc3a | 2009-11-15 12:07:27 +0200 | [diff] [blame] | 692 | |
| 693 | uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str)); |
| 694 | if (enrollee->pri_dev_type) |
Jouni Malinen | ed45947 | 2009-11-26 11:54:37 +0200 | [diff] [blame] | 695 | wps_dev_type_bin2str(enrollee->pri_dev_type, dev_type, |
| 696 | sizeof(dev_type)); |
Jouni Malinen | b78bc3a | 2009-11-15 12:07:27 +0200 | [diff] [blame] | 697 | else |
| 698 | dev_type[0] = '\0'; |
| 699 | |
| 700 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_ADD "%s " MACSTR |
| 701 | " M1=%d config_methods=0x%x dev_passwd_id=%d pri_dev_type=%s " |
| 702 | "|%s|%s|%s|%s|%s|", |
| 703 | uuid_str, MAC2STR(enrollee->mac_addr), enrollee->m1_received, |
| 704 | enrollee->config_methods, enrollee->dev_passwd_id, dev_type, |
| 705 | enrollee->dev_name ? enrollee->dev_name : "", |
| 706 | enrollee->manufacturer ? enrollee->manufacturer : "", |
| 707 | enrollee->model_name ? enrollee->model_name : "", |
| 708 | enrollee->model_number ? enrollee->model_number : "", |
| 709 | enrollee->serial_number ? enrollee->serial_number : ""); |
| 710 | } |
| 711 | |
| 712 | |
| 713 | static void wpa_supplicant_wps_event_er_enrollee_remove( |
| 714 | struct wpa_supplicant *wpa_s, struct wps_event_er_enrollee *enrollee) |
| 715 | { |
| 716 | char uuid_str[100]; |
| 717 | uuid_bin2str(enrollee->uuid, uuid_str, sizeof(uuid_str)); |
| 718 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_ENROLLEE_REMOVE "%s " MACSTR, |
| 719 | uuid_str, MAC2STR(enrollee->mac_addr)); |
| 720 | } |
| 721 | |
| 722 | |
Jouni Malinen | 15dbf12 | 2010-05-27 15:24:45 +0300 | [diff] [blame] | 723 | static void wpa_supplicant_wps_event_er_ap_settings( |
| 724 | struct wpa_supplicant *wpa_s, |
| 725 | struct wps_event_er_ap_settings *ap_settings) |
| 726 | { |
| 727 | char uuid_str[100]; |
| 728 | char key_str[65]; |
| 729 | const struct wps_credential *cred = ap_settings->cred; |
| 730 | |
| 731 | key_str[0] = '\0'; |
| 732 | if (cred->auth_type & (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) { |
| 733 | if (cred->key_len >= 8 && cred->key_len <= 64) { |
| 734 | os_memcpy(key_str, cred->key, cred->key_len); |
| 735 | key_str[cred->key_len] = '\0'; |
| 736 | } |
| 737 | } |
| 738 | |
| 739 | uuid_bin2str(ap_settings->uuid, uuid_str, sizeof(uuid_str)); |
| 740 | /* Use wpa_msg_ctrl to avoid showing the key in debug log */ |
| 741 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_ER_AP_SETTINGS |
| 742 | "uuid=%s ssid=%s auth_type=0x%04x encr_type=0x%04x " |
| 743 | "key=%s", |
| 744 | uuid_str, wpa_ssid_txt(cred->ssid, cred->ssid_len), |
| 745 | cred->auth_type, cred->encr_type, key_str); |
| 746 | } |
| 747 | |
| 748 | |
Jouni Malinen | 3e7533b | 2010-10-25 21:29:22 +0300 | [diff] [blame] | 749 | static void wpa_supplicant_wps_event_er_set_sel_reg( |
| 750 | struct wpa_supplicant *wpa_s, |
| 751 | struct wps_event_er_set_selected_registrar *ev) |
| 752 | { |
| 753 | char uuid_str[100]; |
| 754 | |
| 755 | uuid_bin2str(ev->uuid, uuid_str, sizeof(uuid_str)); |
| 756 | switch (ev->state) { |
| 757 | case WPS_ER_SET_SEL_REG_START: |
| 758 | wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG |
| 759 | "uuid=%s state=START sel_reg=%d dev_passwd_id=%u " |
| 760 | "sel_reg_config_methods=0x%x", |
| 761 | uuid_str, ev->sel_reg, ev->dev_passwd_id, |
| 762 | ev->sel_reg_config_methods); |
| 763 | break; |
| 764 | case WPS_ER_SET_SEL_REG_DONE: |
| 765 | wpa_msg(wpa_s, MSG_DEBUG, WPS_EVENT_ER_SET_SEL_REG |
| 766 | "uuid=%s state=DONE", uuid_str); |
| 767 | break; |
| 768 | case WPS_ER_SET_SEL_REG_FAILED: |
| 769 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ER_SET_SEL_REG |
| 770 | "uuid=%s state=FAILED", uuid_str); |
| 771 | break; |
| 772 | } |
| 773 | } |
| 774 | |
| 775 | |
Jouni Malinen | 4b68290 | 2008-12-18 21:58:42 +0200 | [diff] [blame] | 776 | static void wpa_supplicant_wps_event(void *ctx, enum wps_event event, |
| 777 | union wps_event_data *data) |
| 778 | { |
| 779 | struct wpa_supplicant *wpa_s = ctx; |
| 780 | switch (event) { |
| 781 | case WPS_EV_M2D: |
| 782 | wpa_supplicant_wps_event_m2d(wpa_s, &data->m2d); |
| 783 | break; |
Jouni Malinen | 469fc3a | 2008-12-19 22:19:41 +0200 | [diff] [blame] | 784 | case WPS_EV_FAIL: |
| 785 | wpa_supplicant_wps_event_fail(wpa_s, &data->fail); |
| 786 | break; |
Jouni Malinen | ad5302a | 2008-12-19 22:34:18 +0200 | [diff] [blame] | 787 | case WPS_EV_SUCCESS: |
| 788 | wpa_supplicant_wps_event_success(wpa_s); |
| 789 | break; |
Jouni Malinen | 3b2cf80 | 2009-01-23 21:57:43 +0200 | [diff] [blame] | 790 | case WPS_EV_PWD_AUTH_FAIL: |
Jouni Malinen | 70d84f1 | 2010-11-17 16:46:55 +0200 | [diff] [blame] | 791 | #ifdef CONFIG_AP |
| 792 | if (wpa_s->ap_iface && data->pwd_auth_fail.enrollee) |
| 793 | wpa_supplicant_ap_pwd_auth_fail(wpa_s); |
| 794 | #endif /* CONFIG_AP */ |
Jouni Malinen | 3b2cf80 | 2009-01-23 21:57:43 +0200 | [diff] [blame] | 795 | break; |
Oleg Kravtsov | 63330c6 | 2009-11-01 21:26:13 +0200 | [diff] [blame] | 796 | case WPS_EV_PBC_OVERLAP: |
| 797 | break; |
| 798 | case WPS_EV_PBC_TIMEOUT: |
| 799 | break; |
Jeffin Mammen | 50396e2 | 2013-08-23 16:01:30 +0300 | [diff] [blame] | 800 | case WPS_EV_PBC_ACTIVE: |
| 801 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_ACTIVE); |
| 802 | break; |
| 803 | case WPS_EV_PBC_DISABLE: |
| 804 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_DISABLE); |
| 805 | break; |
Jouni Malinen | b78bc3a | 2009-11-15 12:07:27 +0200 | [diff] [blame] | 806 | case WPS_EV_ER_AP_ADD: |
| 807 | wpa_supplicant_wps_event_er_ap_add(wpa_s, &data->ap); |
| 808 | break; |
| 809 | case WPS_EV_ER_AP_REMOVE: |
| 810 | wpa_supplicant_wps_event_er_ap_remove(wpa_s, &data->ap); |
| 811 | break; |
| 812 | case WPS_EV_ER_ENROLLEE_ADD: |
| 813 | wpa_supplicant_wps_event_er_enrollee_add(wpa_s, |
| 814 | &data->enrollee); |
| 815 | break; |
| 816 | case WPS_EV_ER_ENROLLEE_REMOVE: |
| 817 | wpa_supplicant_wps_event_er_enrollee_remove(wpa_s, |
| 818 | &data->enrollee); |
| 819 | break; |
Jouni Malinen | 15dbf12 | 2010-05-27 15:24:45 +0300 | [diff] [blame] | 820 | case WPS_EV_ER_AP_SETTINGS: |
| 821 | wpa_supplicant_wps_event_er_ap_settings(wpa_s, |
| 822 | &data->ap_settings); |
| 823 | break; |
Jouni Malinen | 3e7533b | 2010-10-25 21:29:22 +0300 | [diff] [blame] | 824 | case WPS_EV_ER_SET_SELECTED_REGISTRAR: |
| 825 | wpa_supplicant_wps_event_er_set_sel_reg(wpa_s, |
| 826 | &data->set_sel_reg); |
| 827 | break; |
Jouni Malinen | 32cdcf1 | 2012-01-30 17:31:06 +0200 | [diff] [blame] | 828 | case WPS_EV_AP_PIN_SUCCESS: |
| 829 | break; |
Jouni Malinen | 4b68290 | 2008-12-18 21:58:42 +0200 | [diff] [blame] | 830 | } |
| 831 | } |
| 832 | |
| 833 | |
David Spinadel | 239abaf | 2013-08-25 10:55:53 +0300 | [diff] [blame] | 834 | static int wpa_supplicant_wps_rf_band(void *ctx) |
| 835 | { |
| 836 | struct wpa_supplicant *wpa_s = ctx; |
| 837 | |
| 838 | if (!wpa_s->current_ssid || !wpa_s->assoc_freq) |
| 839 | return 0; |
| 840 | |
| 841 | return (wpa_s->assoc_freq > 2484) ? WPS_RF_50GHZ : WPS_RF_24GHZ; |
| 842 | } |
| 843 | |
| 844 | |
Jouni Malinen | f90c86d | 2009-01-03 19:50:49 +0200 | [diff] [blame] | 845 | enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid) |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 846 | { |
Jouni Malinen | b01c18a | 2008-11-29 13:38:03 +0200 | [diff] [blame] | 847 | if (eap_is_wps_pbc_enrollee(&ssid->eap) || |
| 848 | eap_is_wps_pin_enrollee(&ssid->eap)) |
| 849 | return WPS_REQ_ENROLLEE; |
| 850 | else |
| 851 | return WPS_REQ_REGISTRAR; |
Jouni Malinen | fa201b6 | 2008-11-28 19:46:22 +0200 | [diff] [blame] | 852 | } |
Jouni Malinen | 116654c | 2008-11-28 20:32:13 +0200 | [diff] [blame] | 853 | |
| 854 | |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 855 | static void wpas_clear_wps(struct wpa_supplicant *wpa_s) |
| 856 | { |
| 857 | int id; |
Jouni Malinen | 20a0b03 | 2011-06-27 19:02:24 +0300 | [diff] [blame] | 858 | struct wpa_ssid *ssid, *remove_ssid = NULL, *prev_current; |
| 859 | |
Jouni Malinen | 7255983 | 2013-10-20 21:34:39 +0300 | [diff] [blame] | 860 | wpa_s->after_wps = 0; |
Jouni Malinen | 4d9fb08 | 2013-10-27 12:56:56 +0200 | [diff] [blame] | 861 | wpa_s->known_wps_freq = 0; |
Jouni Malinen | 7255983 | 2013-10-20 21:34:39 +0300 | [diff] [blame] | 862 | |
Jouni Malinen | 20a0b03 | 2011-06-27 19:02:24 +0300 | [diff] [blame] | 863 | prev_current = wpa_s->current_ssid; |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 864 | |
Sunil Dutt | ec947ff | 2012-10-04 21:11:04 +0300 | [diff] [blame] | 865 | /* Enable the networks disabled during wpas_wps_reassoc */ |
| 866 | wpas_wps_reenable_networks(wpa_s); |
| 867 | |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 868 | eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); |
| 869 | |
| 870 | /* Remove any existing WPS network from configuration */ |
| 871 | ssid = wpa_s->conf->ssid; |
| 872 | while (ssid) { |
Jouni Malinen | f047720 | 2008-12-18 01:06:06 +0200 | [diff] [blame] | 873 | if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) { |
Jouni Malinen | 8bac466 | 2009-09-13 20:53:32 +0300 | [diff] [blame] | 874 | if (ssid == wpa_s->current_ssid) { |
Junli Zhao | c7a67a7 | 2013-07-08 12:09:18 +0300 | [diff] [blame] | 875 | wpa_supplicant_deauthenticate( |
| 876 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
Jouni Malinen | 8bac466 | 2009-09-13 20:53:32 +0300 | [diff] [blame] | 877 | } |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 878 | id = ssid->id; |
Jouni Malinen | 8bac466 | 2009-09-13 20:53:32 +0300 | [diff] [blame] | 879 | remove_ssid = ssid; |
Jouni Malinen | f047720 | 2008-12-18 01:06:06 +0200 | [diff] [blame] | 880 | } else |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 881 | id = -1; |
| 882 | ssid = ssid->next; |
Jouni Malinen | 8bac466 | 2009-09-13 20:53:32 +0300 | [diff] [blame] | 883 | if (id >= 0) { |
Jouni Malinen | 20a0b03 | 2011-06-27 19:02:24 +0300 | [diff] [blame] | 884 | if (prev_current == remove_ssid) { |
| 885 | wpa_sm_set_config(wpa_s->wpa, NULL); |
| 886 | eapol_sm_notify_config(wpa_s->eapol, NULL, |
| 887 | NULL); |
| 888 | } |
Jouni Malinen | 8bac466 | 2009-09-13 20:53:32 +0300 | [diff] [blame] | 889 | wpas_notify_network_removed(wpa_s, remove_ssid); |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 890 | wpa_config_remove_network(wpa_s->conf, id); |
Jouni Malinen | 8bac466 | 2009-09-13 20:53:32 +0300 | [diff] [blame] | 891 | } |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 892 | } |
Jouni Malinen | f9f0526 | 2012-08-27 13:48:11 +0300 | [diff] [blame] | 893 | |
| 894 | wpas_wps_clear_ap_info(wpa_s); |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 895 | } |
| 896 | |
| 897 | |
| 898 | static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx) |
| 899 | { |
| 900 | struct wpa_supplicant *wpa_s = eloop_ctx; |
Ardong Chen | 014732e | 2010-09-06 18:13:18 +0300 | [diff] [blame] | 901 | wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed " |
| 902 | "out"); |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 903 | wpas_clear_wps(wpa_s); |
| 904 | } |
| 905 | |
| 906 | |
| 907 | static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s, |
| 908 | int registrar, const u8 *bssid) |
| 909 | { |
| 910 | struct wpa_ssid *ssid; |
| 911 | |
| 912 | ssid = wpa_config_add_network(wpa_s->conf); |
| 913 | if (ssid == NULL) |
| 914 | return NULL; |
Jouni Malinen | 8bac466 | 2009-09-13 20:53:32 +0300 | [diff] [blame] | 915 | wpas_notify_network_added(wpa_s, ssid); |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 916 | wpa_config_set_network_defaults(ssid); |
Jouni Malinen | 2ff99b3 | 2010-07-18 14:30:24 -0700 | [diff] [blame] | 917 | ssid->temporary = 1; |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 918 | if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 || |
| 919 | wpa_config_set(ssid, "eap", "WSC", 0) < 0 || |
| 920 | wpa_config_set(ssid, "identity", registrar ? |
| 921 | "\"" WSC_ID_REGISTRAR "\"" : |
| 922 | "\"" WSC_ID_ENROLLEE "\"", 0) < 0) { |
Jouni Malinen | 8bac466 | 2009-09-13 20:53:32 +0300 | [diff] [blame] | 923 | wpas_notify_network_removed(wpa_s, ssid); |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 924 | wpa_config_remove_network(wpa_s->conf, ssid->id); |
| 925 | return NULL; |
| 926 | } |
| 927 | |
| 928 | if (bssid) { |
Jouni Malinen | b2c5a4a | 2010-07-18 14:30:24 -0700 | [diff] [blame] | 929 | #ifndef CONFIG_P2P |
Jouni Malinen | 59f2caa | 2010-01-02 13:36:12 +0200 | [diff] [blame] | 930 | struct wpa_bss *bss; |
Jouni Malinen | f7e5436 | 2009-12-28 16:07:15 +0200 | [diff] [blame] | 931 | int count = 0; |
Jouni Malinen | b2c5a4a | 2010-07-18 14:30:24 -0700 | [diff] [blame] | 932 | #endif /* CONFIG_P2P */ |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 933 | |
| 934 | os_memcpy(ssid->bssid, bssid, ETH_ALEN); |
Jouni Malinen | 24c23d1 | 2008-12-20 22:55:02 +0200 | [diff] [blame] | 935 | ssid->bssid_set = 1; |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 936 | |
Jouni Malinen | b2c5a4a | 2010-07-18 14:30:24 -0700 | [diff] [blame] | 937 | /* |
| 938 | * Note: With P2P, the SSID may change at the time the WPS |
| 939 | * provisioning is started, so better not filter the AP based |
| 940 | * on the current SSID in the scan results. |
| 941 | */ |
| 942 | #ifndef CONFIG_P2P |
Jouni Malinen | 59f2caa | 2010-01-02 13:36:12 +0200 | [diff] [blame] | 943 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
| 944 | if (os_memcmp(bssid, bss->bssid, ETH_ALEN) != 0) |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 945 | continue; |
| 946 | |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 947 | os_free(ssid->ssid); |
Jouni Malinen | 59f2caa | 2010-01-02 13:36:12 +0200 | [diff] [blame] | 948 | ssid->ssid = os_malloc(bss->ssid_len); |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 949 | if (ssid->ssid == NULL) |
| 950 | break; |
Jouni Malinen | 59f2caa | 2010-01-02 13:36:12 +0200 | [diff] [blame] | 951 | os_memcpy(ssid->ssid, bss->ssid, bss->ssid_len); |
| 952 | ssid->ssid_len = bss->ssid_len; |
Jouni Malinen | f7e5436 | 2009-12-28 16:07:15 +0200 | [diff] [blame] | 953 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: Picked SSID from " |
| 954 | "scan results", |
| 955 | ssid->ssid, ssid->ssid_len); |
| 956 | count++; |
| 957 | } |
| 958 | |
| 959 | if (count > 1) { |
| 960 | wpa_printf(MSG_DEBUG, "WPS: More than one SSID found " |
| 961 | "for the AP; use wildcard"); |
| 962 | os_free(ssid->ssid); |
| 963 | ssid->ssid = NULL; |
| 964 | ssid->ssid_len = 0; |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 965 | } |
Jouni Malinen | b2c5a4a | 2010-07-18 14:30:24 -0700 | [diff] [blame] | 966 | #endif /* CONFIG_P2P */ |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 967 | } |
| 968 | |
| 969 | return ssid; |
| 970 | } |
| 971 | |
| 972 | |
Jouni Malinen | 170f566 | 2013-05-15 16:46:45 +0300 | [diff] [blame] | 973 | static void wpas_wps_temp_disable(struct wpa_supplicant *wpa_s, |
| 974 | struct wpa_ssid *selected) |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 975 | { |
| 976 | struct wpa_ssid *ssid; |
| 977 | |
Jouni Malinen | d9d87c3 | 2011-12-11 18:30:47 +0200 | [diff] [blame] | 978 | if (wpa_s->current_ssid) |
| 979 | wpa_supplicant_deauthenticate( |
| 980 | wpa_s, WLAN_REASON_DEAUTH_LEAVING); |
| 981 | |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 982 | /* Mark all other networks disabled and trigger reassociation */ |
| 983 | ssid = wpa_s->conf->ssid; |
| 984 | while (ssid) { |
Jouni Malinen | 8bac466 | 2009-09-13 20:53:32 +0300 | [diff] [blame] | 985 | int was_disabled = ssid->disabled; |
Sunil Dutt | ec947ff | 2012-10-04 21:11:04 +0300 | [diff] [blame] | 986 | ssid->disabled_for_connect = 0; |
Jayant Sane | c2762e4 | 2011-06-23 21:25:13 +0300 | [diff] [blame] | 987 | /* |
| 988 | * In case the network object corresponds to a persistent group |
| 989 | * then do not send out network disabled signal. In addition, |
| 990 | * do not change disabled status of persistent network objects |
| 991 | * from 2 to 1 should we connect to another network. |
| 992 | */ |
| 993 | if (was_disabled != 2) { |
| 994 | ssid->disabled = ssid != selected; |
Sunil Dutt | ec947ff | 2012-10-04 21:11:04 +0300 | [diff] [blame] | 995 | if (was_disabled != ssid->disabled) { |
| 996 | if (ssid->disabled) |
| 997 | ssid->disabled_for_connect = 1; |
Jayant Sane | c2762e4 | 2011-06-23 21:25:13 +0300 | [diff] [blame] | 998 | wpas_notify_network_enabled_changed(wpa_s, |
| 999 | ssid); |
Sunil Dutt | ec947ff | 2012-10-04 21:11:04 +0300 | [diff] [blame] | 1000 | } |
Jayant Sane | c2762e4 | 2011-06-23 21:25:13 +0300 | [diff] [blame] | 1001 | } |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 1002 | ssid = ssid->next; |
| 1003 | } |
Jouni Malinen | 170f566 | 2013-05-15 16:46:45 +0300 | [diff] [blame] | 1004 | } |
| 1005 | |
| 1006 | |
| 1007 | static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s, |
| 1008 | struct wpa_ssid *selected, const u8 *bssid) |
| 1009 | { |
| 1010 | struct wpa_bss *bss; |
| 1011 | |
| 1012 | wpa_s->after_wps = 0; |
| 1013 | wpa_s->known_wps_freq = 0; |
| 1014 | if (bssid) { |
| 1015 | bss = wpa_bss_get_bssid_latest(wpa_s, bssid); |
| 1016 | if (bss && bss->freq > 0) { |
| 1017 | wpa_s->known_wps_freq = 1; |
| 1018 | wpa_s->wps_freq = bss->freq; |
| 1019 | } |
| 1020 | } |
| 1021 | |
| 1022 | wpas_wps_temp_disable(wpa_s, selected); |
| 1023 | |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 1024 | wpa_s->disconnected = 0; |
| 1025 | wpa_s->reassociate = 1; |
Jouni Malinen | a609915 | 2009-01-23 13:10:58 +0200 | [diff] [blame] | 1026 | wpa_s->scan_runs = 0; |
Jouni Malinen | 0b7a25c | 2011-11-28 18:36:36 +0200 | [diff] [blame] | 1027 | wpa_s->normal_scans = 0; |
Jouni Malinen | a609915 | 2009-01-23 13:10:58 +0200 | [diff] [blame] | 1028 | wpa_s->wps_success = 0; |
| 1029 | wpa_s->blacklist_cleared = 0; |
Jithu Jance | 1cba9be | 2013-11-20 19:20:56 +0530 | [diff] [blame] | 1030 | |
| 1031 | wpa_supplicant_cancel_sched_scan(wpa_s); |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 1032 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
| 1033 | } |
| 1034 | |
| 1035 | |
Jouni Malinen | 9fa243b | 2010-07-18 14:30:24 -0700 | [diff] [blame] | 1036 | int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid, |
| 1037 | int p2p_group) |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 1038 | { |
| 1039 | struct wpa_ssid *ssid; |
| 1040 | wpas_clear_wps(wpa_s); |
| 1041 | ssid = wpas_wps_add_network(wpa_s, 0, bssid); |
| 1042 | if (ssid == NULL) |
| 1043 | return -1; |
Jouni Malinen | 9fa243b | 2010-07-18 14:30:24 -0700 | [diff] [blame] | 1044 | ssid->temporary = 1; |
| 1045 | ssid->p2p_group = p2p_group; |
Jouni Malinen | 812bf56 | 2010-09-09 07:20:28 -0700 | [diff] [blame] | 1046 | #ifdef CONFIG_P2P |
Jouni Malinen | e9a7ae4 | 2010-08-05 09:15:11 -0700 | [diff] [blame] | 1047 | if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) { |
| 1048 | ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1); |
| 1049 | if (ssid->ssid) { |
| 1050 | ssid->ssid_len = wpa_s->go_params->ssid_len; |
| 1051 | os_memcpy(ssid->ssid, wpa_s->go_params->ssid, |
| 1052 | ssid->ssid_len); |
| 1053 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP " |
| 1054 | "SSID", ssid->ssid, ssid->ssid_len); |
| 1055 | } |
| 1056 | } |
Jouni Malinen | 812bf56 | 2010-09-09 07:20:28 -0700 | [diff] [blame] | 1057 | #endif /* CONFIG_P2P */ |
Jouni Malinen | 9c75e9f | 2013-01-01 20:30:17 +0200 | [diff] [blame] | 1058 | if (wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0) < 0) |
| 1059 | return -1; |
Jouni Malinen | 42f5026 | 2010-07-22 10:24:23 -0700 | [diff] [blame] | 1060 | if (wpa_s->wps_fragment_size) |
| 1061 | ssid->eap.fragment_size = wpa_s->wps_fragment_size; |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 1062 | eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, |
| 1063 | wpa_s, NULL); |
Jouni Malinen | 1e7fb4f | 2011-12-31 13:17:20 +0200 | [diff] [blame] | 1064 | wpas_wps_reassoc(wpa_s, ssid, bssid); |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 1065 | return 0; |
| 1066 | } |
| 1067 | |
| 1068 | |
| 1069 | int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid, |
Jouni Malinen | 3c5126a | 2010-06-26 22:49:41 -0700 | [diff] [blame] | 1070 | const char *pin, int p2p_group, u16 dev_pw_id) |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 1071 | { |
| 1072 | struct wpa_ssid *ssid; |
Masashi Honma | 46bdb83 | 2009-02-26 21:57:38 +0200 | [diff] [blame] | 1073 | char val[128]; |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 1074 | unsigned int rpin = 0; |
| 1075 | |
| 1076 | wpas_clear_wps(wpa_s); |
| 1077 | ssid = wpas_wps_add_network(wpa_s, 0, bssid); |
| 1078 | if (ssid == NULL) |
| 1079 | return -1; |
Jouni Malinen | 9fa243b | 2010-07-18 14:30:24 -0700 | [diff] [blame] | 1080 | ssid->temporary = 1; |
| 1081 | ssid->p2p_group = p2p_group; |
Jouni Malinen | 812bf56 | 2010-09-09 07:20:28 -0700 | [diff] [blame] | 1082 | #ifdef CONFIG_P2P |
Jouni Malinen | e9a7ae4 | 2010-08-05 09:15:11 -0700 | [diff] [blame] | 1083 | if (p2p_group && wpa_s->go_params && wpa_s->go_params->ssid_len) { |
| 1084 | ssid->ssid = os_zalloc(wpa_s->go_params->ssid_len + 1); |
| 1085 | if (ssid->ssid) { |
| 1086 | ssid->ssid_len = wpa_s->go_params->ssid_len; |
| 1087 | os_memcpy(ssid->ssid, wpa_s->go_params->ssid, |
| 1088 | ssid->ssid_len); |
| 1089 | wpa_hexdump_ascii(MSG_DEBUG, "WPS: Use specific AP " |
| 1090 | "SSID", ssid->ssid, ssid->ssid_len); |
| 1091 | } |
| 1092 | } |
Jouni Malinen | 812bf56 | 2010-09-09 07:20:28 -0700 | [diff] [blame] | 1093 | #endif /* CONFIG_P2P */ |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 1094 | if (pin) |
Jouni Malinen | 3c5126a | 2010-06-26 22:49:41 -0700 | [diff] [blame] | 1095 | os_snprintf(val, sizeof(val), "\"pin=%s dev_pw_id=%u\"", |
| 1096 | pin, dev_pw_id); |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 1097 | else { |
| 1098 | rpin = wps_generate_pin(); |
Jouni Malinen | 3c5126a | 2010-06-26 22:49:41 -0700 | [diff] [blame] | 1099 | os_snprintf(val, sizeof(val), "\"pin=%08d dev_pw_id=%u\"", |
| 1100 | rpin, dev_pw_id); |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 1101 | } |
Jouni Malinen | 9c75e9f | 2013-01-01 20:30:17 +0200 | [diff] [blame] | 1102 | if (wpa_config_set(ssid, "phase1", val, 0) < 0) |
| 1103 | return -1; |
Jouni Malinen | 42f5026 | 2010-07-22 10:24:23 -0700 | [diff] [blame] | 1104 | if (wpa_s->wps_fragment_size) |
| 1105 | ssid->eap.fragment_size = wpa_s->wps_fragment_size; |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 1106 | eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, |
| 1107 | wpa_s, NULL); |
Jouni Malinen | f9f0526 | 2012-08-27 13:48:11 +0300 | [diff] [blame] | 1108 | wpa_s->wps_ap_iter = 1; |
Jouni Malinen | 1e7fb4f | 2011-12-31 13:17:20 +0200 | [diff] [blame] | 1109 | wpas_wps_reassoc(wpa_s, ssid, bssid); |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 1110 | return rpin; |
| 1111 | } |
| 1112 | |
| 1113 | |
Ardong Chen | 2f9929f | 2010-09-06 20:51:06 +0300 | [diff] [blame] | 1114 | /* Cancel the wps pbc/pin requests */ |
| 1115 | int wpas_wps_cancel(struct wpa_supplicant *wpa_s) |
| 1116 | { |
| 1117 | #ifdef CONFIG_AP |
| 1118 | if (wpa_s->ap_iface) { |
| 1119 | wpa_printf(MSG_DEBUG, "WPS: Cancelling in AP mode"); |
| 1120 | return wpa_supplicant_ap_wps_cancel(wpa_s); |
| 1121 | } |
| 1122 | #endif /* CONFIG_AP */ |
| 1123 | |
Jouni Malinen | 476dea2 | 2012-06-06 22:07:11 +0300 | [diff] [blame] | 1124 | if (wpa_s->wpa_state == WPA_SCANNING || |
| 1125 | wpa_s->wpa_state == WPA_DISCONNECTED) { |
Ardong Chen | 2f9929f | 2010-09-06 20:51:06 +0300 | [diff] [blame] | 1126 | wpa_printf(MSG_DEBUG, "WPS: Cancel operation - cancel scan"); |
| 1127 | wpa_supplicant_cancel_scan(wpa_s); |
| 1128 | wpas_clear_wps(wpa_s); |
| 1129 | } else if (wpa_s->wpa_state >= WPA_ASSOCIATED) { |
| 1130 | wpa_printf(MSG_DEBUG, "WPS: Cancel operation - " |
| 1131 | "deauthenticate"); |
| 1132 | wpa_supplicant_deauthenticate(wpa_s, |
| 1133 | WLAN_REASON_DEAUTH_LEAVING); |
| 1134 | wpas_clear_wps(wpa_s); |
Sunil Dutt | ec947ff | 2012-10-04 21:11:04 +0300 | [diff] [blame] | 1135 | } else { |
| 1136 | wpas_wps_reenable_networks(wpa_s); |
Jouni Malinen | f9f0526 | 2012-08-27 13:48:11 +0300 | [diff] [blame] | 1137 | wpas_wps_clear_ap_info(wpa_s); |
Sunil Dutt | ec947ff | 2012-10-04 21:11:04 +0300 | [diff] [blame] | 1138 | } |
Ardong Chen | 2f9929f | 2010-09-06 20:51:06 +0300 | [diff] [blame] | 1139 | |
Jouni Malinen | 7255983 | 2013-10-20 21:34:39 +0300 | [diff] [blame] | 1140 | wpa_s->after_wps = 0; |
| 1141 | |
Ardong Chen | 2f9929f | 2010-09-06 20:51:06 +0300 | [diff] [blame] | 1142 | return 0; |
| 1143 | } |
| 1144 | |
| 1145 | |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 1146 | int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid, |
Jouni Malinen | 52eb293 | 2009-09-06 13:58:15 +0300 | [diff] [blame] | 1147 | const char *pin, struct wps_new_ap_settings *settings) |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 1148 | { |
| 1149 | struct wpa_ssid *ssid; |
Jouni Malinen | 52eb293 | 2009-09-06 13:58:15 +0300 | [diff] [blame] | 1150 | char val[200]; |
| 1151 | char *pos, *end; |
| 1152 | int res; |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 1153 | |
| 1154 | if (!pin) |
| 1155 | return -1; |
| 1156 | wpas_clear_wps(wpa_s); |
| 1157 | ssid = wpas_wps_add_network(wpa_s, 1, bssid); |
| 1158 | if (ssid == NULL) |
| 1159 | return -1; |
Jouni Malinen | 2ff99b3 | 2010-07-18 14:30:24 -0700 | [diff] [blame] | 1160 | ssid->temporary = 1; |
Jouni Malinen | 52eb293 | 2009-09-06 13:58:15 +0300 | [diff] [blame] | 1161 | pos = val; |
| 1162 | end = pos + sizeof(val); |
| 1163 | res = os_snprintf(pos, end - pos, "\"pin=%s", pin); |
| 1164 | if (res < 0 || res >= end - pos) |
| 1165 | return -1; |
| 1166 | pos += res; |
| 1167 | if (settings) { |
| 1168 | res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s " |
| 1169 | "new_encr=%s new_key=%s", |
| 1170 | settings->ssid_hex, settings->auth, |
| 1171 | settings->encr, settings->key_hex); |
| 1172 | if (res < 0 || res >= end - pos) |
| 1173 | return -1; |
| 1174 | pos += res; |
| 1175 | } |
| 1176 | res = os_snprintf(pos, end - pos, "\""); |
| 1177 | if (res < 0 || res >= end - pos) |
| 1178 | return -1; |
Jouni Malinen | 9c75e9f | 2013-01-01 20:30:17 +0200 | [diff] [blame] | 1179 | if (wpa_config_set(ssid, "phase1", val, 0) < 0) |
| 1180 | return -1; |
Jouni Malinen | 42f5026 | 2010-07-22 10:24:23 -0700 | [diff] [blame] | 1181 | if (wpa_s->wps_fragment_size) |
| 1182 | ssid->eap.fragment_size = wpa_s->wps_fragment_size; |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 1183 | eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout, |
| 1184 | wpa_s, NULL); |
Jouni Malinen | 1e7fb4f | 2011-12-31 13:17:20 +0200 | [diff] [blame] | 1185 | wpas_wps_reassoc(wpa_s, ssid, bssid); |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 1186 | return 0; |
| 1187 | } |
| 1188 | |
| 1189 | |
Jouni Malinen | 52177fb | 2013-09-01 10:47:34 +0300 | [diff] [blame] | 1190 | static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr, |
| 1191 | const u8 *p2p_dev_addr, const u8 *psk, |
Jouni Malinen | c5adf52 | 2009-01-03 20:18:35 +0200 | [diff] [blame] | 1192 | size_t psk_len) |
| 1193 | { |
Jouni Malinen | 52177fb | 2013-09-01 10:47:34 +0300 | [diff] [blame] | 1194 | if (is_zero_ether_addr(p2p_dev_addr)) { |
| 1195 | wpa_printf(MSG_DEBUG, |
| 1196 | "Received new WPA/WPA2-PSK from WPS for STA " MACSTR, |
| 1197 | MAC2STR(mac_addr)); |
| 1198 | } else { |
| 1199 | wpa_printf(MSG_DEBUG, |
| 1200 | "Received new WPA/WPA2-PSK from WPS for STA " MACSTR |
| 1201 | " P2P Device Addr " MACSTR, |
| 1202 | MAC2STR(mac_addr), MAC2STR(p2p_dev_addr)); |
| 1203 | } |
Jouni Malinen | c5adf52 | 2009-01-03 20:18:35 +0200 | [diff] [blame] | 1204 | wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len); |
| 1205 | |
| 1206 | /* TODO */ |
| 1207 | |
| 1208 | return 0; |
| 1209 | } |
| 1210 | |
| 1211 | |
| 1212 | static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e, |
| 1213 | const struct wps_device_data *dev) |
| 1214 | { |
| 1215 | char uuid[40], txt[400]; |
| 1216 | int len; |
Jouni Malinen | 96750ea | 2009-11-26 11:39:29 +0200 | [diff] [blame] | 1217 | char devtype[WPS_DEV_TYPE_BUFSIZE]; |
Jouni Malinen | c5adf52 | 2009-01-03 20:18:35 +0200 | [diff] [blame] | 1218 | if (uuid_bin2str(uuid_e, uuid, sizeof(uuid))) |
| 1219 | return; |
| 1220 | wpa_printf(MSG_DEBUG, "WPS: PIN needed for UUID-E %s", uuid); |
| 1221 | len = os_snprintf(txt, sizeof(txt), "WPS-EVENT-PIN-NEEDED %s " MACSTR |
Jouni Malinen | 96750ea | 2009-11-26 11:39:29 +0200 | [diff] [blame] | 1222 | " [%s|%s|%s|%s|%s|%s]", |
Jouni Malinen | c5adf52 | 2009-01-03 20:18:35 +0200 | [diff] [blame] | 1223 | uuid, MAC2STR(dev->mac_addr), dev->device_name, |
| 1224 | dev->manufacturer, dev->model_name, |
| 1225 | dev->model_number, dev->serial_number, |
Jouni Malinen | 96750ea | 2009-11-26 11:39:29 +0200 | [diff] [blame] | 1226 | wps_dev_type_bin2str(dev->pri_dev_type, devtype, |
| 1227 | sizeof(devtype))); |
Jouni Malinen | c5adf52 | 2009-01-03 20:18:35 +0200 | [diff] [blame] | 1228 | if (len > 0 && len < (int) sizeof(txt)) |
| 1229 | wpa_printf(MSG_INFO, "%s", txt); |
| 1230 | } |
| 1231 | |
| 1232 | |
Jouni Malinen | 72df2f5 | 2009-11-13 22:07:11 +0200 | [diff] [blame] | 1233 | static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id, |
| 1234 | u16 sel_reg_config_methods) |
| 1235 | { |
| 1236 | #ifdef CONFIG_WPS_ER |
| 1237 | struct wpa_supplicant *wpa_s = ctx; |
| 1238 | |
| 1239 | if (wpa_s->wps_er == NULL) |
| 1240 | return; |
Jouni Malinen | ad47411 | 2010-07-18 22:53:15 -0700 | [diff] [blame] | 1241 | wpa_printf(MSG_DEBUG, "WPS ER: SetSelectedRegistrar - sel_reg=%d " |
| 1242 | "dev_password_id=%u sel_reg_config_methods=0x%x", |
| 1243 | sel_reg, dev_passwd_id, sel_reg_config_methods); |
Jouni Malinen | 72df2f5 | 2009-11-13 22:07:11 +0200 | [diff] [blame] | 1244 | wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id, |
| 1245 | sel_reg_config_methods); |
| 1246 | #endif /* CONFIG_WPS_ER */ |
| 1247 | } |
| 1248 | |
| 1249 | |
Jouni Malinen | 092acb5 | 2010-10-16 12:57:47 +0300 | [diff] [blame] | 1250 | static u16 wps_fix_config_methods(u16 config_methods) |
| 1251 | { |
| 1252 | #ifdef CONFIG_WPS2 |
| 1253 | if ((config_methods & |
| 1254 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_VIRT_DISPLAY | |
| 1255 | WPS_CONFIG_PHY_DISPLAY)) == WPS_CONFIG_DISPLAY) { |
| 1256 | wpa_printf(MSG_INFO, "WPS: Converting display to " |
| 1257 | "virtual_display for WPS 2.0 compliance"); |
| 1258 | config_methods |= WPS_CONFIG_VIRT_DISPLAY; |
| 1259 | } |
| 1260 | if ((config_methods & |
| 1261 | (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_VIRT_PUSHBUTTON | |
| 1262 | WPS_CONFIG_PHY_PUSHBUTTON)) == WPS_CONFIG_PUSHBUTTON) { |
| 1263 | wpa_printf(MSG_INFO, "WPS: Converting push_button to " |
| 1264 | "virtual_push_button for WPS 2.0 compliance"); |
| 1265 | config_methods |= WPS_CONFIG_VIRT_PUSHBUTTON; |
| 1266 | } |
| 1267 | #endif /* CONFIG_WPS2 */ |
| 1268 | |
| 1269 | return config_methods; |
| 1270 | } |
| 1271 | |
| 1272 | |
Jouni Malinen | 85a821d | 2011-03-17 18:07:00 +0200 | [diff] [blame] | 1273 | static void wpas_wps_set_uuid(struct wpa_supplicant *wpa_s, |
| 1274 | struct wps_context *wps) |
| 1275 | { |
Jouni Malinen | ef93abd | 2013-12-30 16:50:08 +0200 | [diff] [blame^] | 1276 | char buf[50]; |
| 1277 | const char *src; |
| 1278 | |
Jouni Malinen | 85a821d | 2011-03-17 18:07:00 +0200 | [diff] [blame] | 1279 | if (is_nil_uuid(wpa_s->conf->uuid)) { |
| 1280 | struct wpa_supplicant *first; |
| 1281 | first = wpa_s->global->ifaces; |
| 1282 | while (first && first->next) |
| 1283 | first = first->next; |
| 1284 | if (first && first != wpa_s) { |
Ben Greear | 157cdad | 2012-05-10 10:56:51 +0300 | [diff] [blame] | 1285 | if (wps != wpa_s->global->ifaces->wps) |
| 1286 | os_memcpy(wps->uuid, |
| 1287 | wpa_s->global->ifaces->wps->uuid, |
| 1288 | WPS_UUID_LEN); |
Jouni Malinen | ef93abd | 2013-12-30 16:50:08 +0200 | [diff] [blame^] | 1289 | src = "from the first interface"; |
Jouni Malinen | 85a821d | 2011-03-17 18:07:00 +0200 | [diff] [blame] | 1290 | } else { |
| 1291 | uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid); |
Jouni Malinen | ef93abd | 2013-12-30 16:50:08 +0200 | [diff] [blame^] | 1292 | src = "based on MAC address"; |
Jouni Malinen | 85a821d | 2011-03-17 18:07:00 +0200 | [diff] [blame] | 1293 | } |
| 1294 | } else { |
| 1295 | os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN); |
Jouni Malinen | ef93abd | 2013-12-30 16:50:08 +0200 | [diff] [blame^] | 1296 | src = "based on configuration"; |
Jouni Malinen | 85a821d | 2011-03-17 18:07:00 +0200 | [diff] [blame] | 1297 | } |
Jouni Malinen | ef93abd | 2013-12-30 16:50:08 +0200 | [diff] [blame^] | 1298 | |
| 1299 | uuid_bin2str(wps->uuid, buf, sizeof(buf)); |
| 1300 | wpa_dbg(wpa_s, MSG_DEBUG, "WPS: UUID %s: %s", src, buf); |
Jouni Malinen | 85a821d | 2011-03-17 18:07:00 +0200 | [diff] [blame] | 1301 | } |
| 1302 | |
| 1303 | |
Anirban Sirkhell | 71dd3b7 | 2012-04-04 00:08:57 +0300 | [diff] [blame] | 1304 | static void wpas_wps_set_vendor_ext_m1(struct wpa_supplicant *wpa_s, |
| 1305 | struct wps_context *wps) |
| 1306 | { |
| 1307 | wpabuf_free(wps->dev.vendor_ext_m1); |
| 1308 | wps->dev.vendor_ext_m1 = NULL; |
| 1309 | |
| 1310 | if (wpa_s->conf->wps_vendor_ext_m1) { |
| 1311 | wps->dev.vendor_ext_m1 = |
| 1312 | wpabuf_dup(wpa_s->conf->wps_vendor_ext_m1); |
| 1313 | if (!wps->dev.vendor_ext_m1) { |
| 1314 | wpa_printf(MSG_ERROR, "WPS: Cannot " |
| 1315 | "allocate memory for vendor_ext_m1"); |
| 1316 | } |
| 1317 | } |
| 1318 | } |
| 1319 | |
| 1320 | |
Jouni Malinen | 116654c | 2008-11-28 20:32:13 +0200 | [diff] [blame] | 1321 | int wpas_wps_init(struct wpa_supplicant *wpa_s) |
| 1322 | { |
| 1323 | struct wps_context *wps; |
Jouni Malinen | c5adf52 | 2009-01-03 20:18:35 +0200 | [diff] [blame] | 1324 | struct wps_registrar_config rcfg; |
Bharat Chakravarty | 6fb6d84 | 2011-08-31 17:53:55 +0300 | [diff] [blame] | 1325 | struct hostapd_hw_modes *modes; |
Christian Lamparter | 6bf731e | 2011-10-23 11:58:54 +0300 | [diff] [blame] | 1326 | u16 m; |
Jouni Malinen | 116654c | 2008-11-28 20:32:13 +0200 | [diff] [blame] | 1327 | |
| 1328 | wps = os_zalloc(sizeof(*wps)); |
| 1329 | if (wps == NULL) |
| 1330 | return -1; |
| 1331 | |
| 1332 | wps->cred_cb = wpa_supplicant_wps_cred; |
Jouni Malinen | 4b68290 | 2008-12-18 21:58:42 +0200 | [diff] [blame] | 1333 | wps->event_cb = wpa_supplicant_wps_event; |
David Spinadel | 239abaf | 2013-08-25 10:55:53 +0300 | [diff] [blame] | 1334 | wps->rf_band_cb = wpa_supplicant_wps_rf_band; |
Jouni Malinen | 116654c | 2008-11-28 20:32:13 +0200 | [diff] [blame] | 1335 | wps->cb_ctx = wpa_s; |
| 1336 | |
Jouni Malinen | 3c0b7aa | 2008-12-13 17:20:46 +0200 | [diff] [blame] | 1337 | wps->dev.device_name = wpa_s->conf->device_name; |
| 1338 | wps->dev.manufacturer = wpa_s->conf->manufacturer; |
| 1339 | wps->dev.model_name = wpa_s->conf->model_name; |
| 1340 | wps->dev.model_number = wpa_s->conf->model_number; |
| 1341 | wps->dev.serial_number = wpa_s->conf->serial_number; |
Jouni Malinen | c0e4dd9 | 2009-12-21 15:59:25 +0200 | [diff] [blame] | 1342 | wps->config_methods = |
| 1343 | wps_config_methods_str2bin(wpa_s->conf->config_methods); |
Jouni Malinen | 979b988 | 2010-07-17 20:30:49 -0700 | [diff] [blame] | 1344 | if ((wps->config_methods & (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) == |
| 1345 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) { |
| 1346 | wpa_printf(MSG_ERROR, "WPS: Both Label and Display config " |
| 1347 | "methods are not allowed at the same time"); |
| 1348 | os_free(wps); |
| 1349 | return -1; |
| 1350 | } |
Jouni Malinen | 092acb5 | 2010-10-16 12:57:47 +0300 | [diff] [blame] | 1351 | wps->config_methods = wps_fix_config_methods(wps->config_methods); |
Bharat Chakravarty | a9355fa | 2011-09-01 15:24:45 +0300 | [diff] [blame] | 1352 | wps->dev.config_methods = wps->config_methods; |
Johannes Berg | 2f646b6 | 2011-03-17 18:50:22 +0200 | [diff] [blame] | 1353 | os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type, |
| 1354 | WPS_DEV_TYPE_LEN); |
Jean-Michel Bachot | a9e86bf | 2011-03-17 11:09:49 +0200 | [diff] [blame] | 1355 | |
Johannes Berg | 2f646b6 | 2011-03-17 18:50:22 +0200 | [diff] [blame] | 1356 | wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types; |
| 1357 | os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type, |
| 1358 | WPS_DEV_TYPE_LEN * wps->dev.num_sec_dev_types); |
Jean-Michel Bachot | a9e86bf | 2011-03-17 11:09:49 +0200 | [diff] [blame] | 1359 | |
Anirban Sirkhell | 71dd3b7 | 2012-04-04 00:08:57 +0300 | [diff] [blame] | 1360 | wpas_wps_set_vendor_ext_m1(wpa_s, wps); |
| 1361 | |
Jouni Malinen | 3c0b7aa | 2008-12-13 17:20:46 +0200 | [diff] [blame] | 1362 | wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version); |
Christian Lamparter | 6bf731e | 2011-10-23 11:58:54 +0300 | [diff] [blame] | 1363 | modes = wpa_s->hw.modes; |
Bharat Chakravarty | 6fb6d84 | 2011-08-31 17:53:55 +0300 | [diff] [blame] | 1364 | if (modes) { |
Christian Lamparter | 6bf731e | 2011-10-23 11:58:54 +0300 | [diff] [blame] | 1365 | for (m = 0; m < wpa_s->hw.num_modes; m++) { |
Bharat Chakravarty | 6fb6d84 | 2011-08-31 17:53:55 +0300 | [diff] [blame] | 1366 | if (modes[m].mode == HOSTAPD_MODE_IEEE80211B || |
| 1367 | modes[m].mode == HOSTAPD_MODE_IEEE80211G) |
| 1368 | wps->dev.rf_bands |= WPS_RF_24GHZ; |
| 1369 | else if (modes[m].mode == HOSTAPD_MODE_IEEE80211A) |
| 1370 | wps->dev.rf_bands |= WPS_RF_50GHZ; |
| 1371 | } |
Bharat Chakravarty | 6fb6d84 | 2011-08-31 17:53:55 +0300 | [diff] [blame] | 1372 | } |
| 1373 | if (wps->dev.rf_bands == 0) { |
| 1374 | /* |
| 1375 | * Default to claiming support for both bands if the driver |
| 1376 | * does not provide support for fetching supported bands. |
| 1377 | */ |
| 1378 | wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ; |
| 1379 | } |
Jouni Malinen | 398cfbf | 2008-11-28 20:44:47 +0200 | [diff] [blame] | 1380 | os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN); |
Jouni Malinen | 85a821d | 2011-03-17 18:07:00 +0200 | [diff] [blame] | 1381 | wpas_wps_set_uuid(wpa_s, wps); |
Jouni Malinen | 116654c | 2008-11-28 20:32:13 +0200 | [diff] [blame] | 1382 | |
Jouni Malinen | c5adf52 | 2009-01-03 20:18:35 +0200 | [diff] [blame] | 1383 | wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK; |
| 1384 | wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP; |
| 1385 | |
| 1386 | os_memset(&rcfg, 0, sizeof(rcfg)); |
| 1387 | rcfg.new_psk_cb = wpas_wps_new_psk_cb; |
| 1388 | rcfg.pin_needed_cb = wpas_wps_pin_needed_cb; |
Jouni Malinen | 72df2f5 | 2009-11-13 22:07:11 +0200 | [diff] [blame] | 1389 | rcfg.set_sel_reg_cb = wpas_wps_set_sel_reg_cb; |
Jouni Malinen | c5adf52 | 2009-01-03 20:18:35 +0200 | [diff] [blame] | 1390 | rcfg.cb_ctx = wpa_s; |
| 1391 | |
| 1392 | wps->registrar = wps_registrar_init(wps, &rcfg); |
| 1393 | if (wps->registrar == NULL) { |
| 1394 | wpa_printf(MSG_DEBUG, "Failed to initialize WPS Registrar"); |
| 1395 | os_free(wps); |
| 1396 | return -1; |
| 1397 | } |
| 1398 | |
Jouni Malinen | 116654c | 2008-11-28 20:32:13 +0200 | [diff] [blame] | 1399 | wpa_s->wps = wps; |
| 1400 | |
| 1401 | return 0; |
| 1402 | } |
| 1403 | |
| 1404 | |
| 1405 | void wpas_wps_deinit(struct wpa_supplicant *wpa_s) |
| 1406 | { |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 1407 | eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL); |
Jouni Malinen | 2e145e9 | 2013-08-23 17:43:01 +0300 | [diff] [blame] | 1408 | eloop_cancel_timeout(wpas_wps_clear_timeout, wpa_s, NULL); |
Sunil Dutt | ec947ff | 2012-10-04 21:11:04 +0300 | [diff] [blame] | 1409 | eloop_cancel_timeout(wpas_wps_reenable_networks_cb, wpa_s, NULL); |
Jouni Malinen | f9f0526 | 2012-08-27 13:48:11 +0300 | [diff] [blame] | 1410 | wpas_wps_clear_ap_info(wpa_s); |
Jouni Malinen | fcc60db | 2008-11-29 20:59:45 +0200 | [diff] [blame] | 1411 | |
Jouni Malinen | 116654c | 2008-11-28 20:32:13 +0200 | [diff] [blame] | 1412 | if (wpa_s->wps == NULL) |
| 1413 | return; |
| 1414 | |
Jouni Malinen | a6b6307 | 2009-11-15 22:52:17 +0200 | [diff] [blame] | 1415 | #ifdef CONFIG_WPS_ER |
Jouni Malinen | 1a1bf00 | 2009-12-19 23:47:54 +0200 | [diff] [blame] | 1416 | wps_er_deinit(wpa_s->wps_er, NULL, NULL); |
Jouni Malinen | a6b6307 | 2009-11-15 22:52:17 +0200 | [diff] [blame] | 1417 | wpa_s->wps_er = NULL; |
| 1418 | #endif /* CONFIG_WPS_ER */ |
| 1419 | |
Jouni Malinen | c5adf52 | 2009-01-03 20:18:35 +0200 | [diff] [blame] | 1420 | wps_registrar_deinit(wpa_s->wps->registrar); |
Masashi Honma | 46bdb83 | 2009-02-26 21:57:38 +0200 | [diff] [blame] | 1421 | wpabuf_free(wpa_s->wps->dh_pubkey); |
| 1422 | wpabuf_free(wpa_s->wps->dh_privkey); |
Anirban Sirkhell | 71dd3b7 | 2012-04-04 00:08:57 +0300 | [diff] [blame] | 1423 | wpabuf_free(wpa_s->wps->dev.vendor_ext_m1); |
Jouni Malinen | 116654c | 2008-11-28 20:32:13 +0200 | [diff] [blame] | 1424 | os_free(wpa_s->wps->network_key); |
| 1425 | os_free(wpa_s->wps); |
| 1426 | wpa_s->wps = NULL; |
| 1427 | } |
Jouni Malinen | 351f09a | 2008-11-29 22:06:34 +0200 | [diff] [blame] | 1428 | |
| 1429 | |
Jouni Malinen | a609915 | 2009-01-23 13:10:58 +0200 | [diff] [blame] | 1430 | int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s, |
Jouni Malinen | 620c783 | 2012-09-02 19:56:57 +0300 | [diff] [blame] | 1431 | struct wpa_ssid *ssid, struct wpa_bss *bss) |
Jouni Malinen | 351f09a | 2008-11-29 22:06:34 +0200 | [diff] [blame] | 1432 | { |
| 1433 | struct wpabuf *wps_ie; |
| 1434 | |
| 1435 | if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS)) |
| 1436 | return -1; |
| 1437 | |
Jouni Malinen | 620c783 | 2012-09-02 19:56:57 +0300 | [diff] [blame] | 1438 | wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
Jouni Malinen | 351f09a | 2008-11-29 22:06:34 +0200 | [diff] [blame] | 1439 | if (eap_is_wps_pbc_enrollee(&ssid->eap)) { |
| 1440 | if (!wps_ie) { |
| 1441 | wpa_printf(MSG_DEBUG, " skip - non-WPS AP"); |
| 1442 | return 0; |
| 1443 | } |
| 1444 | |
| 1445 | if (!wps_is_selected_pbc_registrar(wps_ie)) { |
| 1446 | wpa_printf(MSG_DEBUG, " skip - WPS AP " |
| 1447 | "without active PBC Registrar"); |
| 1448 | wpabuf_free(wps_ie); |
| 1449 | return 0; |
| 1450 | } |
| 1451 | |
| 1452 | /* TODO: overlap detection */ |
| 1453 | wpa_printf(MSG_DEBUG, " selected based on WPS IE " |
| 1454 | "(Active PBC)"); |
| 1455 | wpabuf_free(wps_ie); |
| 1456 | return 1; |
| 1457 | } |
| 1458 | |
| 1459 | if (eap_is_wps_pin_enrollee(&ssid->eap)) { |
| 1460 | if (!wps_ie) { |
| 1461 | wpa_printf(MSG_DEBUG, " skip - non-WPS AP"); |
| 1462 | return 0; |
| 1463 | } |
| 1464 | |
Jouni Malinen | a609915 | 2009-01-23 13:10:58 +0200 | [diff] [blame] | 1465 | /* |
Jouni Malinen | 31fcea9 | 2009-12-12 16:40:10 +0200 | [diff] [blame] | 1466 | * Start with WPS APs that advertise our address as an |
| 1467 | * authorized MAC (v2.0) or active PIN Registrar (v1.0) and |
| 1468 | * allow any WPS AP after couple of scans since some APs do not |
| 1469 | * set Selected Registrar attribute properly when using |
| 1470 | * external Registrar. |
Jouni Malinen | a609915 | 2009-01-23 13:10:58 +0200 | [diff] [blame] | 1471 | */ |
Jouni Malinen | 31fcea9 | 2009-12-12 16:40:10 +0200 | [diff] [blame] | 1472 | if (!wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1)) { |
Jouni Malinen | a609915 | 2009-01-23 13:10:58 +0200 | [diff] [blame] | 1473 | if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG) { |
| 1474 | wpa_printf(MSG_DEBUG, " skip - WPS AP " |
| 1475 | "without active PIN Registrar"); |
| 1476 | wpabuf_free(wps_ie); |
| 1477 | return 0; |
| 1478 | } |
| 1479 | wpa_printf(MSG_DEBUG, " selected based on WPS IE"); |
| 1480 | } else { |
| 1481 | wpa_printf(MSG_DEBUG, " selected based on WPS IE " |
Jouni Malinen | 31fcea9 | 2009-12-12 16:40:10 +0200 | [diff] [blame] | 1482 | "(Authorized MAC or Active PIN)"); |
Jouni Malinen | 351f09a | 2008-11-29 22:06:34 +0200 | [diff] [blame] | 1483 | } |
Jouni Malinen | 351f09a | 2008-11-29 22:06:34 +0200 | [diff] [blame] | 1484 | wpabuf_free(wps_ie); |
| 1485 | return 1; |
| 1486 | } |
| 1487 | |
| 1488 | if (wps_ie) { |
| 1489 | wpa_printf(MSG_DEBUG, " selected based on WPS IE"); |
| 1490 | wpabuf_free(wps_ie); |
| 1491 | return 1; |
| 1492 | } |
| 1493 | |
| 1494 | return -1; |
| 1495 | } |
| 1496 | |
| 1497 | |
Jouni Malinen | a609915 | 2009-01-23 13:10:58 +0200 | [diff] [blame] | 1498 | int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s, |
| 1499 | struct wpa_ssid *ssid, |
Jouni Malinen | 620c783 | 2012-09-02 19:56:57 +0300 | [diff] [blame] | 1500 | struct wpa_bss *bss) |
Jouni Malinen | 351f09a | 2008-11-29 22:06:34 +0200 | [diff] [blame] | 1501 | { |
| 1502 | struct wpabuf *wps_ie = NULL; |
| 1503 | int ret = 0; |
| 1504 | |
| 1505 | if (eap_is_wps_pbc_enrollee(&ssid->eap)) { |
Jouni Malinen | 620c783 | 2012-09-02 19:56:57 +0300 | [diff] [blame] | 1506 | wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
Jouni Malinen | 351f09a | 2008-11-29 22:06:34 +0200 | [diff] [blame] | 1507 | if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) { |
| 1508 | /* allow wildcard SSID for WPS PBC */ |
| 1509 | ret = 1; |
| 1510 | } |
| 1511 | } else if (eap_is_wps_pin_enrollee(&ssid->eap)) { |
Jouni Malinen | 620c783 | 2012-09-02 19:56:57 +0300 | [diff] [blame] | 1512 | wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
Jouni Malinen | a609915 | 2009-01-23 13:10:58 +0200 | [diff] [blame] | 1513 | if (wps_ie && |
Jouni Malinen | 31fcea9 | 2009-12-12 16:40:10 +0200 | [diff] [blame] | 1514 | (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 1) || |
Jouni Malinen | a609915 | 2009-01-23 13:10:58 +0200 | [diff] [blame] | 1515 | wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) { |
Jouni Malinen | 351f09a | 2008-11-29 22:06:34 +0200 | [diff] [blame] | 1516 | /* allow wildcard SSID for WPS PIN */ |
| 1517 | ret = 1; |
| 1518 | } |
| 1519 | } |
| 1520 | |
Jouni Malinen | 24c23d1 | 2008-12-20 22:55:02 +0200 | [diff] [blame] | 1521 | if (!ret && ssid->bssid_set && |
| 1522 | os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) { |
| 1523 | /* allow wildcard SSID due to hardcoded BSSID match */ |
| 1524 | ret = 1; |
| 1525 | } |
| 1526 | |
Jouni Malinen | 54f489b | 2010-05-26 17:16:14 +0300 | [diff] [blame] | 1527 | #ifdef CONFIG_WPS_STRICT |
| 1528 | if (wps_ie) { |
| 1529 | if (wps_validate_beacon_probe_resp(wps_ie, bss->beacon_ie_len > |
Jouni Malinen | ff28cca | 2010-09-20 14:54:22 -0700 | [diff] [blame] | 1530 | 0, bss->bssid) < 0) |
Jouni Malinen | 54f489b | 2010-05-26 17:16:14 +0300 | [diff] [blame] | 1531 | ret = 0; |
| 1532 | if (bss->beacon_ie_len) { |
| 1533 | struct wpabuf *bcn_wps; |
Jouni Malinen | 620c783 | 2012-09-02 19:56:57 +0300 | [diff] [blame] | 1534 | bcn_wps = wpa_bss_get_vendor_ie_multi_beacon( |
Jouni Malinen | 54f489b | 2010-05-26 17:16:14 +0300 | [diff] [blame] | 1535 | bss, WPS_IE_VENDOR_TYPE); |
| 1536 | if (bcn_wps == NULL) { |
| 1537 | wpa_printf(MSG_DEBUG, "WPS: Mandatory WPS IE " |
| 1538 | "missing from AP Beacon"); |
| 1539 | ret = 0; |
| 1540 | } else { |
| 1541 | if (wps_validate_beacon(wps_ie) < 0) |
| 1542 | ret = 0; |
| 1543 | wpabuf_free(bcn_wps); |
| 1544 | } |
| 1545 | } |
| 1546 | } |
| 1547 | #endif /* CONFIG_WPS_STRICT */ |
| 1548 | |
Jouni Malinen | 351f09a | 2008-11-29 22:06:34 +0200 | [diff] [blame] | 1549 | wpabuf_free(wps_ie); |
| 1550 | |
| 1551 | return ret; |
| 1552 | } |
| 1553 | |
| 1554 | |
| 1555 | int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s, |
Jouni Malinen | 6fa81a3 | 2010-01-02 16:16:02 +0200 | [diff] [blame] | 1556 | struct wpa_bss *selected, struct wpa_ssid *ssid) |
Jouni Malinen | 351f09a | 2008-11-29 22:06:34 +0200 | [diff] [blame] | 1557 | { |
| 1558 | const u8 *sel_uuid, *uuid; |
Jouni Malinen | 351f09a | 2008-11-29 22:06:34 +0200 | [diff] [blame] | 1559 | struct wpabuf *wps_ie; |
| 1560 | int ret = 0; |
Jouni Malinen | 6fa81a3 | 2010-01-02 16:16:02 +0200 | [diff] [blame] | 1561 | struct wpa_bss *bss; |
Jouni Malinen | 351f09a | 2008-11-29 22:06:34 +0200 | [diff] [blame] | 1562 | |
| 1563 | if (!eap_is_wps_pbc_enrollee(&ssid->eap)) |
| 1564 | return 0; |
| 1565 | |
Jouni Malinen | 9647120 | 2010-09-20 15:08:52 -0700 | [diff] [blame] | 1566 | wpa_printf(MSG_DEBUG, "WPS: Check whether PBC session overlap is " |
| 1567 | "present in scan results; selected BSSID " MACSTR, |
| 1568 | MAC2STR(selected->bssid)); |
| 1569 | |
Jouni Malinen | 351f09a | 2008-11-29 22:06:34 +0200 | [diff] [blame] | 1570 | /* Make sure that only one AP is in active PBC mode */ |
Jouni Malinen | 6fa81a3 | 2010-01-02 16:16:02 +0200 | [diff] [blame] | 1571 | wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE); |
Jouni Malinen | 9647120 | 2010-09-20 15:08:52 -0700 | [diff] [blame] | 1572 | if (wps_ie) { |
Jouni Malinen | 351f09a | 2008-11-29 22:06:34 +0200 | [diff] [blame] | 1573 | sel_uuid = wps_get_uuid_e(wps_ie); |
Jouni Malinen | 9647120 | 2010-09-20 15:08:52 -0700 | [diff] [blame] | 1574 | wpa_hexdump(MSG_DEBUG, "WPS: UUID of the selected BSS", |
| 1575 | sel_uuid, UUID_LEN); |
| 1576 | } else { |
| 1577 | wpa_printf(MSG_DEBUG, "WPS: Selected BSS does not include " |
| 1578 | "WPS IE?!"); |
Jouni Malinen | 351f09a | 2008-11-29 22:06:34 +0200 | [diff] [blame] | 1579 | sel_uuid = NULL; |
Jouni Malinen | 9647120 | 2010-09-20 15:08:52 -0700 | [diff] [blame] | 1580 | } |
Jouni Malinen | 351f09a | 2008-11-29 22:06:34 +0200 | [diff] [blame] | 1581 | |
Jouni Malinen | 6fa81a3 | 2010-01-02 16:16:02 +0200 | [diff] [blame] | 1582 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
Jouni Malinen | 351f09a | 2008-11-29 22:06:34 +0200 | [diff] [blame] | 1583 | struct wpabuf *ie; |
| 1584 | if (bss == selected) |
| 1585 | continue; |
Jouni Malinen | 6fa81a3 | 2010-01-02 16:16:02 +0200 | [diff] [blame] | 1586 | ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
Jouni Malinen | 351f09a | 2008-11-29 22:06:34 +0200 | [diff] [blame] | 1587 | if (!ie) |
| 1588 | continue; |
| 1589 | if (!wps_is_selected_pbc_registrar(ie)) { |
| 1590 | wpabuf_free(ie); |
| 1591 | continue; |
| 1592 | } |
Jouni Malinen | 9647120 | 2010-09-20 15:08:52 -0700 | [diff] [blame] | 1593 | wpa_printf(MSG_DEBUG, "WPS: Another BSS in active PBC mode: " |
| 1594 | MACSTR, MAC2STR(bss->bssid)); |
Jouni Malinen | 351f09a | 2008-11-29 22:06:34 +0200 | [diff] [blame] | 1595 | uuid = wps_get_uuid_e(ie); |
Jouni Malinen | 9647120 | 2010-09-20 15:08:52 -0700 | [diff] [blame] | 1596 | wpa_hexdump(MSG_DEBUG, "WPS: UUID of the other BSS", |
| 1597 | uuid, UUID_LEN); |
Jouni Malinen | 44cd430 | 2008-12-21 17:28:01 +0200 | [diff] [blame] | 1598 | if (sel_uuid == NULL || uuid == NULL || |
Jouni Malinen | 9647120 | 2010-09-20 15:08:52 -0700 | [diff] [blame] | 1599 | os_memcmp(sel_uuid, uuid, UUID_LEN) != 0) { |
Jouni Malinen | 351f09a | 2008-11-29 22:06:34 +0200 | [diff] [blame] | 1600 | ret = 1; /* PBC overlap */ |
Jouni Malinen | 9647120 | 2010-09-20 15:08:52 -0700 | [diff] [blame] | 1601 | wpa_msg(wpa_s, MSG_INFO, "WPS: PBC overlap detected: " |
| 1602 | MACSTR " and " MACSTR, |
| 1603 | MAC2STR(selected->bssid), |
| 1604 | MAC2STR(bss->bssid)); |
Jouni Malinen | 351f09a | 2008-11-29 22:06:34 +0200 | [diff] [blame] | 1605 | wpabuf_free(ie); |
| 1606 | break; |
| 1607 | } |
| 1608 | |
| 1609 | /* TODO: verify that this is reasonable dual-band situation */ |
Jouni Malinen | 484957a | 2008-12-15 19:50:53 +0200 | [diff] [blame] | 1610 | |
| 1611 | wpabuf_free(ie); |
Jouni Malinen | 351f09a | 2008-11-29 22:06:34 +0200 | [diff] [blame] | 1612 | } |
| 1613 | |
| 1614 | wpabuf_free(wps_ie); |
| 1615 | |
| 1616 | return ret; |
| 1617 | } |
Jouni Malinen | a524f05 | 2008-12-15 20:09:57 +0200 | [diff] [blame] | 1618 | |
| 1619 | |
| 1620 | void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s) |
| 1621 | { |
Jouni Malinen | 6fa81a3 | 2010-01-02 16:16:02 +0200 | [diff] [blame] | 1622 | struct wpa_bss *bss; |
Jouni Malinen | 6c6ad81 | 2011-01-05 11:49:03 +0200 | [diff] [blame] | 1623 | unsigned int pbc = 0, auth = 0, pin = 0, wps = 0; |
Jouni Malinen | a524f05 | 2008-12-15 20:09:57 +0200 | [diff] [blame] | 1624 | |
| 1625 | if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED) |
| 1626 | return; |
| 1627 | |
Jouni Malinen | 6fa81a3 | 2010-01-02 16:16:02 +0200 | [diff] [blame] | 1628 | dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { |
Jouni Malinen | a524f05 | 2008-12-15 20:09:57 +0200 | [diff] [blame] | 1629 | struct wpabuf *ie; |
Jouni Malinen | 6fa81a3 | 2010-01-02 16:16:02 +0200 | [diff] [blame] | 1630 | ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE); |
Jouni Malinen | a524f05 | 2008-12-15 20:09:57 +0200 | [diff] [blame] | 1631 | if (!ie) |
| 1632 | continue; |
| 1633 | if (wps_is_selected_pbc_registrar(ie)) |
Jouni Malinen | 6c6ad81 | 2011-01-05 11:49:03 +0200 | [diff] [blame] | 1634 | pbc++; |
Jouni Malinen | 31fcea9 | 2009-12-12 16:40:10 +0200 | [diff] [blame] | 1635 | else if (wps_is_addr_authorized(ie, wpa_s->own_addr, 0)) |
Jouni Malinen | 6c6ad81 | 2011-01-05 11:49:03 +0200 | [diff] [blame] | 1636 | auth++; |
Jouni Malinen | a524f05 | 2008-12-15 20:09:57 +0200 | [diff] [blame] | 1637 | else if (wps_is_selected_pin_registrar(ie)) |
Jouni Malinen | 6c6ad81 | 2011-01-05 11:49:03 +0200 | [diff] [blame] | 1638 | pin++; |
Jouni Malinen | a524f05 | 2008-12-15 20:09:57 +0200 | [diff] [blame] | 1639 | else |
Jouni Malinen | 6c6ad81 | 2011-01-05 11:49:03 +0200 | [diff] [blame] | 1640 | wps++; |
Jouni Malinen | a524f05 | 2008-12-15 20:09:57 +0200 | [diff] [blame] | 1641 | wpabuf_free(ie); |
Jouni Malinen | a524f05 | 2008-12-15 20:09:57 +0200 | [diff] [blame] | 1642 | } |
Jouni Malinen | 6c6ad81 | 2011-01-05 11:49:03 +0200 | [diff] [blame] | 1643 | |
| 1644 | if (pbc) |
| 1645 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC); |
| 1646 | else if (auth) |
| 1647 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_AUTH); |
| 1648 | else if (pin) |
| 1649 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN); |
| 1650 | else if (wps) |
| 1651 | wpa_msg_ctrl(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE); |
Jouni Malinen | a524f05 | 2008-12-15 20:09:57 +0200 | [diff] [blame] | 1652 | } |
Jouni Malinen | 24c23d1 | 2008-12-20 22:55:02 +0200 | [diff] [blame] | 1653 | |
| 1654 | |
| 1655 | int wpas_wps_searching(struct wpa_supplicant *wpa_s) |
| 1656 | { |
| 1657 | struct wpa_ssid *ssid; |
| 1658 | |
| 1659 | for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) { |
| 1660 | if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && !ssid->disabled) |
| 1661 | return 1; |
| 1662 | } |
| 1663 | |
| 1664 | return 0; |
| 1665 | } |
Jouni Malinen | 611ed49 | 2009-09-11 17:14:49 +0300 | [diff] [blame] | 1666 | |
| 1667 | |
| 1668 | int wpas_wps_scan_result_text(const u8 *ies, size_t ies_len, char *buf, |
| 1669 | char *end) |
| 1670 | { |
| 1671 | struct wpabuf *wps_ie; |
| 1672 | int ret; |
| 1673 | |
| 1674 | wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA); |
| 1675 | if (wps_ie == NULL) |
| 1676 | return 0; |
| 1677 | |
| 1678 | ret = wps_attr_text(wps_ie, buf, end); |
| 1679 | wpabuf_free(wps_ie); |
| 1680 | return ret; |
| 1681 | } |
Jouni Malinen | e9bcfeb | 2009-11-07 12:41:01 +0200 | [diff] [blame] | 1682 | |
| 1683 | |
Jouni Malinen | 0848668 | 2010-05-27 15:23:55 +0300 | [diff] [blame] | 1684 | int wpas_wps_er_start(struct wpa_supplicant *wpa_s, const char *filter) |
Jouni Malinen | e9bcfeb | 2009-11-07 12:41:01 +0200 | [diff] [blame] | 1685 | { |
| 1686 | #ifdef CONFIG_WPS_ER |
| 1687 | if (wpa_s->wps_er) { |
Jouni Malinen | b3f371c | 2009-11-20 21:57:30 +0200 | [diff] [blame] | 1688 | wps_er_refresh(wpa_s->wps_er); |
Jouni Malinen | e9bcfeb | 2009-11-07 12:41:01 +0200 | [diff] [blame] | 1689 | return 0; |
| 1690 | } |
Jouni Malinen | 0848668 | 2010-05-27 15:23:55 +0300 | [diff] [blame] | 1691 | wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname, filter); |
Jouni Malinen | e9bcfeb | 2009-11-07 12:41:01 +0200 | [diff] [blame] | 1692 | if (wpa_s->wps_er == NULL) |
| 1693 | return -1; |
| 1694 | return 0; |
| 1695 | #else /* CONFIG_WPS_ER */ |
| 1696 | return 0; |
| 1697 | #endif /* CONFIG_WPS_ER */ |
| 1698 | } |
| 1699 | |
| 1700 | |
| 1701 | int wpas_wps_er_stop(struct wpa_supplicant *wpa_s) |
| 1702 | { |
| 1703 | #ifdef CONFIG_WPS_ER |
Jouni Malinen | 1a1bf00 | 2009-12-19 23:47:54 +0200 | [diff] [blame] | 1704 | wps_er_deinit(wpa_s->wps_er, NULL, NULL); |
Jouni Malinen | e9bcfeb | 2009-11-07 12:41:01 +0200 | [diff] [blame] | 1705 | wpa_s->wps_er = NULL; |
| 1706 | #endif /* CONFIG_WPS_ER */ |
| 1707 | return 0; |
| 1708 | } |
Jouni Malinen | 72df2f5 | 2009-11-13 22:07:11 +0200 | [diff] [blame] | 1709 | |
| 1710 | |
| 1711 | #ifdef CONFIG_WPS_ER |
Jouni Malinen | 31fcea9 | 2009-12-12 16:40:10 +0200 | [diff] [blame] | 1712 | int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const u8 *addr, |
| 1713 | const char *uuid, const char *pin) |
Jouni Malinen | 72df2f5 | 2009-11-13 22:07:11 +0200 | [diff] [blame] | 1714 | { |
| 1715 | u8 u[UUID_LEN]; |
Jouni Malinen | e205401 | 2013-04-01 20:52:44 +0300 | [diff] [blame] | 1716 | const u8 *use_uuid = NULL; |
| 1717 | u8 addr_buf[ETH_ALEN]; |
Jouni Malinen | 72df2f5 | 2009-11-13 22:07:11 +0200 | [diff] [blame] | 1718 | |
Jouni Malinen | e205401 | 2013-04-01 20:52:44 +0300 | [diff] [blame] | 1719 | if (os_strcmp(uuid, "any") == 0) { |
| 1720 | } else if (uuid_str2bin(uuid, u) == 0) { |
| 1721 | use_uuid = u; |
| 1722 | } else if (hwaddr_aton(uuid, addr_buf) == 0) { |
| 1723 | use_uuid = wps_er_get_sta_uuid(wpa_s->wps_er, addr_buf); |
| 1724 | if (use_uuid == NULL) |
| 1725 | return -1; |
| 1726 | } else |
Jouni Malinen | 72df2f5 | 2009-11-13 22:07:11 +0200 | [diff] [blame] | 1727 | return -1; |
Jouni Malinen | 31fcea9 | 2009-12-12 16:40:10 +0200 | [diff] [blame] | 1728 | return wps_registrar_add_pin(wpa_s->wps->registrar, addr, |
Jouni Malinen | e205401 | 2013-04-01 20:52:44 +0300 | [diff] [blame] | 1729 | use_uuid, |
Jouni Malinen | 72df2f5 | 2009-11-13 22:07:11 +0200 | [diff] [blame] | 1730 | (const u8 *) pin, os_strlen(pin), 300); |
| 1731 | } |
Jouni Malinen | 564cd7f | 2009-11-15 18:46:03 +0200 | [diff] [blame] | 1732 | |
| 1733 | |
| 1734 | int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid) |
| 1735 | { |
Jouni Malinen | e205401 | 2013-04-01 20:52:44 +0300 | [diff] [blame] | 1736 | u8 u[UUID_LEN], *use_uuid = NULL; |
| 1737 | u8 addr[ETH_ALEN], *use_addr = NULL; |
Jouni Malinen | 564cd7f | 2009-11-15 18:46:03 +0200 | [diff] [blame] | 1738 | |
Jouni Malinen | e205401 | 2013-04-01 20:52:44 +0300 | [diff] [blame] | 1739 | if (uuid_str2bin(uuid, u) == 0) |
| 1740 | use_uuid = u; |
| 1741 | else if (hwaddr_aton(uuid, addr) == 0) |
| 1742 | use_addr = addr; |
| 1743 | else |
Jouni Malinen | 564cd7f | 2009-11-15 18:46:03 +0200 | [diff] [blame] | 1744 | return -1; |
Jouni Malinen | e205401 | 2013-04-01 20:52:44 +0300 | [diff] [blame] | 1745 | return wps_er_pbc(wpa_s->wps_er, use_uuid, use_addr); |
Jouni Malinen | 564cd7f | 2009-11-15 18:46:03 +0200 | [diff] [blame] | 1746 | } |
Jouni Malinen | e64dcfd | 2009-11-15 22:27:06 +0200 | [diff] [blame] | 1747 | |
| 1748 | |
| 1749 | int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid, |
| 1750 | const char *pin) |
| 1751 | { |
Jouni Malinen | 59307b3 | 2013-04-01 20:32:09 +0300 | [diff] [blame] | 1752 | u8 u[UUID_LEN], *use_uuid = NULL; |
| 1753 | u8 addr[ETH_ALEN], *use_addr = NULL; |
Jouni Malinen | e64dcfd | 2009-11-15 22:27:06 +0200 | [diff] [blame] | 1754 | |
Jouni Malinen | 59307b3 | 2013-04-01 20:32:09 +0300 | [diff] [blame] | 1755 | if (uuid_str2bin(uuid, u) == 0) |
| 1756 | use_uuid = u; |
| 1757 | else if (hwaddr_aton(uuid, addr) == 0) |
| 1758 | use_addr = addr; |
| 1759 | else |
Jouni Malinen | e64dcfd | 2009-11-15 22:27:06 +0200 | [diff] [blame] | 1760 | return -1; |
Jouni Malinen | 59307b3 | 2013-04-01 20:32:09 +0300 | [diff] [blame] | 1761 | |
| 1762 | return wps_er_learn(wpa_s->wps_er, use_uuid, use_addr, (const u8 *) pin, |
Jouni Malinen | e64dcfd | 2009-11-15 22:27:06 +0200 | [diff] [blame] | 1763 | os_strlen(pin)); |
| 1764 | } |
Jouni Malinen | 1a1bf00 | 2009-12-19 23:47:54 +0200 | [diff] [blame] | 1765 | |
| 1766 | |
Jouni Malinen | 88c8bf3 | 2013-04-01 21:28:57 +0300 | [diff] [blame] | 1767 | static int wpas_wps_network_to_cred(struct wpa_ssid *ssid, |
| 1768 | struct wps_credential *cred) |
| 1769 | { |
| 1770 | os_memset(cred, 0, sizeof(*cred)); |
| 1771 | if (ssid->ssid_len > 32) |
| 1772 | return -1; |
| 1773 | os_memcpy(cred->ssid, ssid->ssid, ssid->ssid_len); |
| 1774 | cred->ssid_len = ssid->ssid_len; |
| 1775 | if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) { |
| 1776 | cred->auth_type = (ssid->proto & WPA_PROTO_RSN) ? |
| 1777 | WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK; |
| 1778 | if (ssid->pairwise_cipher & WPA_CIPHER_CCMP) |
| 1779 | cred->encr_type = WPS_ENCR_AES; |
| 1780 | else |
| 1781 | cred->encr_type = WPS_ENCR_TKIP; |
| 1782 | if (ssid->passphrase) { |
| 1783 | cred->key_len = os_strlen(ssid->passphrase); |
| 1784 | if (cred->key_len >= 64) |
| 1785 | return -1; |
| 1786 | os_memcpy(cred->key, ssid->passphrase, cred->key_len); |
| 1787 | } else if (ssid->psk_set) { |
| 1788 | cred->key_len = 32; |
| 1789 | os_memcpy(cred->key, ssid->psk, 32); |
| 1790 | } else |
| 1791 | return -1; |
| 1792 | } else { |
| 1793 | cred->auth_type = WPS_AUTH_OPEN; |
| 1794 | cred->encr_type = WPS_ENCR_NONE; |
| 1795 | } |
| 1796 | |
| 1797 | return 0; |
| 1798 | } |
| 1799 | |
| 1800 | |
Jouni Malinen | ef10f47 | 2010-10-20 13:37:01 +0300 | [diff] [blame] | 1801 | int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid, |
| 1802 | int id) |
| 1803 | { |
Jouni Malinen | 59307b3 | 2013-04-01 20:32:09 +0300 | [diff] [blame] | 1804 | u8 u[UUID_LEN], *use_uuid = NULL; |
| 1805 | u8 addr[ETH_ALEN], *use_addr = NULL; |
Jouni Malinen | ef10f47 | 2010-10-20 13:37:01 +0300 | [diff] [blame] | 1806 | struct wpa_ssid *ssid; |
| 1807 | struct wps_credential cred; |
| 1808 | |
Jouni Malinen | 59307b3 | 2013-04-01 20:32:09 +0300 | [diff] [blame] | 1809 | if (uuid_str2bin(uuid, u) == 0) |
| 1810 | use_uuid = u; |
| 1811 | else if (hwaddr_aton(uuid, addr) == 0) |
| 1812 | use_addr = addr; |
| 1813 | else |
Jouni Malinen | ef10f47 | 2010-10-20 13:37:01 +0300 | [diff] [blame] | 1814 | return -1; |
| 1815 | ssid = wpa_config_get_network(wpa_s->conf, id); |
| 1816 | if (ssid == NULL || ssid->ssid == NULL) |
| 1817 | return -1; |
| 1818 | |
Jouni Malinen | 88c8bf3 | 2013-04-01 21:28:57 +0300 | [diff] [blame] | 1819 | if (wpas_wps_network_to_cred(ssid, &cred) < 0) |
Jouni Malinen | ef10f47 | 2010-10-20 13:37:01 +0300 | [diff] [blame] | 1820 | return -1; |
Jouni Malinen | 59307b3 | 2013-04-01 20:32:09 +0300 | [diff] [blame] | 1821 | return wps_er_set_config(wpa_s->wps_er, use_uuid, use_addr, &cred); |
Jouni Malinen | ef10f47 | 2010-10-20 13:37:01 +0300 | [diff] [blame] | 1822 | } |
| 1823 | |
| 1824 | |
Jouni Malinen | 7d6640a | 2010-05-28 00:01:48 +0300 | [diff] [blame] | 1825 | int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid, |
| 1826 | const char *pin, struct wps_new_ap_settings *settings) |
| 1827 | { |
Jouni Malinen | 59307b3 | 2013-04-01 20:32:09 +0300 | [diff] [blame] | 1828 | u8 u[UUID_LEN], *use_uuid = NULL; |
| 1829 | u8 addr[ETH_ALEN], *use_addr = NULL; |
Jouni Malinen | 7d6640a | 2010-05-28 00:01:48 +0300 | [diff] [blame] | 1830 | struct wps_credential cred; |
| 1831 | size_t len; |
| 1832 | |
Jouni Malinen | 59307b3 | 2013-04-01 20:32:09 +0300 | [diff] [blame] | 1833 | if (uuid_str2bin(uuid, u) == 0) |
| 1834 | use_uuid = u; |
| 1835 | else if (hwaddr_aton(uuid, addr) == 0) |
| 1836 | use_addr = addr; |
| 1837 | else |
Jouni Malinen | 7d6640a | 2010-05-28 00:01:48 +0300 | [diff] [blame] | 1838 | return -1; |
| 1839 | if (settings->ssid_hex == NULL || settings->auth == NULL || |
| 1840 | settings->encr == NULL || settings->key_hex == NULL) |
| 1841 | return -1; |
| 1842 | |
| 1843 | os_memset(&cred, 0, sizeof(cred)); |
| 1844 | len = os_strlen(settings->ssid_hex); |
| 1845 | if ((len & 1) || len > 2 * sizeof(cred.ssid) || |
| 1846 | hexstr2bin(settings->ssid_hex, cred.ssid, len / 2)) |
| 1847 | return -1; |
| 1848 | cred.ssid_len = len / 2; |
| 1849 | |
| 1850 | len = os_strlen(settings->key_hex); |
| 1851 | if ((len & 1) || len > 2 * sizeof(cred.key) || |
| 1852 | hexstr2bin(settings->key_hex, cred.key, len / 2)) |
| 1853 | return -1; |
| 1854 | cred.key_len = len / 2; |
| 1855 | |
| 1856 | if (os_strcmp(settings->auth, "OPEN") == 0) |
| 1857 | cred.auth_type = WPS_AUTH_OPEN; |
| 1858 | else if (os_strcmp(settings->auth, "WPAPSK") == 0) |
| 1859 | cred.auth_type = WPS_AUTH_WPAPSK; |
| 1860 | else if (os_strcmp(settings->auth, "WPA2PSK") == 0) |
| 1861 | cred.auth_type = WPS_AUTH_WPA2PSK; |
| 1862 | else |
| 1863 | return -1; |
| 1864 | |
| 1865 | if (os_strcmp(settings->encr, "NONE") == 0) |
| 1866 | cred.encr_type = WPS_ENCR_NONE; |
| 1867 | else if (os_strcmp(settings->encr, "WEP") == 0) |
| 1868 | cred.encr_type = WPS_ENCR_WEP; |
| 1869 | else if (os_strcmp(settings->encr, "TKIP") == 0) |
| 1870 | cred.encr_type = WPS_ENCR_TKIP; |
| 1871 | else if (os_strcmp(settings->encr, "CCMP") == 0) |
| 1872 | cred.encr_type = WPS_ENCR_AES; |
| 1873 | else |
| 1874 | return -1; |
| 1875 | |
Jouni Malinen | 59307b3 | 2013-04-01 20:32:09 +0300 | [diff] [blame] | 1876 | return wps_er_config(wpa_s->wps_er, use_uuid, use_addr, |
| 1877 | (const u8 *) pin, os_strlen(pin), &cred); |
Jouni Malinen | 7d6640a | 2010-05-28 00:01:48 +0300 | [diff] [blame] | 1878 | } |
| 1879 | |
| 1880 | |
Jouni Malinen | 1cea09a | 2012-06-28 16:35:51 +0300 | [diff] [blame] | 1881 | #ifdef CONFIG_WPS_NFC |
| 1882 | struct wpabuf * wpas_wps_er_nfc_config_token(struct wpa_supplicant *wpa_s, |
| 1883 | int ndef, const char *uuid) |
| 1884 | { |
| 1885 | struct wpabuf *ret; |
Jouni Malinen | 59307b3 | 2013-04-01 20:32:09 +0300 | [diff] [blame] | 1886 | u8 u[UUID_LEN], *use_uuid = NULL; |
| 1887 | u8 addr[ETH_ALEN], *use_addr = NULL; |
Jouni Malinen | 1cea09a | 2012-06-28 16:35:51 +0300 | [diff] [blame] | 1888 | |
| 1889 | if (!wpa_s->wps_er) |
| 1890 | return NULL; |
| 1891 | |
Jouni Malinen | 59307b3 | 2013-04-01 20:32:09 +0300 | [diff] [blame] | 1892 | if (uuid_str2bin(uuid, u) == 0) |
| 1893 | use_uuid = u; |
| 1894 | else if (hwaddr_aton(uuid, addr) == 0) |
| 1895 | use_addr = addr; |
| 1896 | else |
Jouni Malinen | 1cea09a | 2012-06-28 16:35:51 +0300 | [diff] [blame] | 1897 | return NULL; |
| 1898 | |
Jouni Malinen | 59307b3 | 2013-04-01 20:32:09 +0300 | [diff] [blame] | 1899 | ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr); |
Jouni Malinen | 1cea09a | 2012-06-28 16:35:51 +0300 | [diff] [blame] | 1900 | if (ndef && ret) { |
| 1901 | struct wpabuf *tmp; |
| 1902 | tmp = ndef_build_wifi(ret); |
| 1903 | wpabuf_free(ret); |
| 1904 | if (tmp == NULL) |
| 1905 | return NULL; |
| 1906 | ret = tmp; |
| 1907 | } |
| 1908 | |
| 1909 | return ret; |
| 1910 | } |
| 1911 | #endif /* CONFIG_WPS_NFC */ |
| 1912 | |
| 1913 | |
Ben Greear | 4c9695b | 2011-02-21 21:47:46 +0200 | [diff] [blame] | 1914 | static int callbacks_pending = 0; |
| 1915 | |
Jouni Malinen | 1a1bf00 | 2009-12-19 23:47:54 +0200 | [diff] [blame] | 1916 | static void wpas_wps_terminate_cb(void *ctx) |
| 1917 | { |
| 1918 | wpa_printf(MSG_DEBUG, "WPS ER: Terminated"); |
Ben Greear | 4c9695b | 2011-02-21 21:47:46 +0200 | [diff] [blame] | 1919 | if (--callbacks_pending <= 0) |
| 1920 | eloop_terminate(); |
Jouni Malinen | 1a1bf00 | 2009-12-19 23:47:54 +0200 | [diff] [blame] | 1921 | } |
Jouni Malinen | 72df2f5 | 2009-11-13 22:07:11 +0200 | [diff] [blame] | 1922 | #endif /* CONFIG_WPS_ER */ |
Jouni Malinen | 1a1bf00 | 2009-12-19 23:47:54 +0200 | [diff] [blame] | 1923 | |
| 1924 | |
| 1925 | int wpas_wps_terminate_pending(struct wpa_supplicant *wpa_s) |
| 1926 | { |
| 1927 | #ifdef CONFIG_WPS_ER |
| 1928 | if (wpa_s->wps_er) { |
Ben Greear | 4c9695b | 2011-02-21 21:47:46 +0200 | [diff] [blame] | 1929 | callbacks_pending++; |
Jouni Malinen | 1a1bf00 | 2009-12-19 23:47:54 +0200 | [diff] [blame] | 1930 | wps_er_deinit(wpa_s->wps_er, wpas_wps_terminate_cb, wpa_s); |
| 1931 | wpa_s->wps_er = NULL; |
| 1932 | return 1; |
| 1933 | } |
| 1934 | #endif /* CONFIG_WPS_ER */ |
| 1935 | return 0; |
| 1936 | } |
Jouni Malinen | 41e650a | 2010-06-11 13:50:13 -0700 | [diff] [blame] | 1937 | |
| 1938 | |
Jouni Malinen | 611aea7 | 2010-07-18 14:30:24 -0700 | [diff] [blame] | 1939 | void wpas_wps_update_config(struct wpa_supplicant *wpa_s) |
| 1940 | { |
| 1941 | struct wps_context *wps = wpa_s->wps; |
| 1942 | |
| 1943 | if (wps == NULL) |
| 1944 | return; |
| 1945 | |
| 1946 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_CONFIG_METHODS) { |
| 1947 | wps->config_methods = wps_config_methods_str2bin( |
| 1948 | wpa_s->conf->config_methods); |
| 1949 | if ((wps->config_methods & |
| 1950 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) == |
| 1951 | (WPS_CONFIG_DISPLAY | WPS_CONFIG_LABEL)) { |
| 1952 | wpa_printf(MSG_ERROR, "WPS: Both Label and Display " |
| 1953 | "config methods are not allowed at the " |
| 1954 | "same time"); |
| 1955 | wps->config_methods &= ~WPS_CONFIG_LABEL; |
| 1956 | } |
| 1957 | } |
Jouni Malinen | 092acb5 | 2010-10-16 12:57:47 +0300 | [diff] [blame] | 1958 | wps->config_methods = wps_fix_config_methods(wps->config_methods); |
jim1_lin | c8b245b | 2012-08-04 20:14:59 +0300 | [diff] [blame] | 1959 | wps->dev.config_methods = wps->config_methods; |
Jouni Malinen | 611aea7 | 2010-07-18 14:30:24 -0700 | [diff] [blame] | 1960 | |
Johannes Berg | 2f646b6 | 2011-03-17 18:50:22 +0200 | [diff] [blame] | 1961 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_DEVICE_TYPE) |
| 1962 | os_memcpy(wps->dev.pri_dev_type, wpa_s->conf->device_type, |
| 1963 | WPS_DEV_TYPE_LEN); |
Jouni Malinen | 611aea7 | 2010-07-18 14:30:24 -0700 | [diff] [blame] | 1964 | |
Jean-Michel Bachot | a9e86bf | 2011-03-17 11:09:49 +0200 | [diff] [blame] | 1965 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_SEC_DEVICE_TYPE) { |
Johannes Berg | 2f646b6 | 2011-03-17 18:50:22 +0200 | [diff] [blame] | 1966 | wps->dev.num_sec_dev_types = wpa_s->conf->num_sec_device_types; |
| 1967 | os_memcpy(wps->dev.sec_dev_type, wpa_s->conf->sec_device_type, |
| 1968 | wps->dev.num_sec_dev_types * WPS_DEV_TYPE_LEN); |
Jean-Michel Bachot | a9e86bf | 2011-03-17 11:09:49 +0200 | [diff] [blame] | 1969 | } |
| 1970 | |
Anirban Sirkhell | 71dd3b7 | 2012-04-04 00:08:57 +0300 | [diff] [blame] | 1971 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_VENDOR_EXTENSION) |
| 1972 | wpas_wps_set_vendor_ext_m1(wpa_s, wps); |
| 1973 | |
Jouni Malinen | 611aea7 | 2010-07-18 14:30:24 -0700 | [diff] [blame] | 1974 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_OS_VERSION) |
| 1975 | wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version); |
| 1976 | |
Jouni Malinen | 85a821d | 2011-03-17 18:07:00 +0200 | [diff] [blame] | 1977 | if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID) |
| 1978 | wpas_wps_set_uuid(wpa_s, wps); |
Jouni Malinen | dcf788d | 2010-07-06 16:32:55 -0700 | [diff] [blame] | 1979 | |
Jouni Malinen | 1c9cb49 | 2010-07-29 17:13:11 -0700 | [diff] [blame] | 1980 | if (wpa_s->conf->changed_parameters & |
| 1981 | (CFG_CHANGED_DEVICE_NAME | CFG_CHANGED_WPS_STRING)) { |
Jouni Malinen | dcf788d | 2010-07-06 16:32:55 -0700 | [diff] [blame] | 1982 | /* Update pointers to make sure they refer current values */ |
| 1983 | wps->dev.device_name = wpa_s->conf->device_name; |
| 1984 | wps->dev.manufacturer = wpa_s->conf->manufacturer; |
| 1985 | wps->dev.model_name = wpa_s->conf->model_name; |
| 1986 | wps->dev.model_number = wpa_s->conf->model_number; |
| 1987 | wps->dev.serial_number = wpa_s->conf->serial_number; |
| 1988 | } |
Jouni Malinen | 611aea7 | 2010-07-18 14:30:24 -0700 | [diff] [blame] | 1989 | } |
Jouni Malinen | 3f2c8ba | 2012-06-27 18:56:41 +0300 | [diff] [blame] | 1990 | |
| 1991 | |
| 1992 | #ifdef CONFIG_WPS_NFC |
| 1993 | |
Jouni Malinen | 88c8bf3 | 2013-04-01 21:28:57 +0300 | [diff] [blame] | 1994 | #ifdef CONFIG_WPS_ER |
| 1995 | static struct wpabuf * |
| 1996 | wpas_wps_network_config_token(struct wpa_supplicant *wpa_s, int ndef, |
| 1997 | struct wpa_ssid *ssid) |
Jouni Malinen | bbf4186 | 2013-02-15 11:45:29 +0200 | [diff] [blame] | 1998 | { |
Jouni Malinen | 88c8bf3 | 2013-04-01 21:28:57 +0300 | [diff] [blame] | 1999 | struct wpabuf *ret; |
| 2000 | struct wps_credential cred; |
| 2001 | |
| 2002 | if (wpas_wps_network_to_cred(ssid, &cred) < 0) |
| 2003 | return NULL; |
| 2004 | |
| 2005 | ret = wps_er_config_token_from_cred(wpa_s->wps, &cred); |
| 2006 | |
| 2007 | if (ndef && ret) { |
| 2008 | struct wpabuf *tmp; |
| 2009 | tmp = ndef_build_wifi(ret); |
| 2010 | wpabuf_free(ret); |
| 2011 | if (tmp == NULL) |
| 2012 | return NULL; |
| 2013 | ret = tmp; |
| 2014 | } |
| 2015 | |
| 2016 | return ret; |
| 2017 | } |
| 2018 | #endif /* CONFIG_WPS_ER */ |
| 2019 | |
| 2020 | |
| 2021 | struct wpabuf * wpas_wps_nfc_config_token(struct wpa_supplicant *wpa_s, |
| 2022 | int ndef, const char *id_str) |
| 2023 | { |
| 2024 | #ifdef CONFIG_WPS_ER |
| 2025 | if (id_str) { |
| 2026 | int id; |
| 2027 | char *end = NULL; |
| 2028 | struct wpa_ssid *ssid; |
| 2029 | |
| 2030 | id = strtol(id_str, &end, 10); |
| 2031 | if (end && *end) |
| 2032 | return NULL; |
| 2033 | |
| 2034 | ssid = wpa_config_get_network(wpa_s->conf, id); |
| 2035 | if (ssid == NULL) |
| 2036 | return NULL; |
| 2037 | return wpas_wps_network_config_token(wpa_s, ndef, ssid); |
| 2038 | } |
| 2039 | #endif /* CONFIG_WPS_ER */ |
Jouni Malinen | bbf4186 | 2013-02-15 11:45:29 +0200 | [diff] [blame] | 2040 | #ifdef CONFIG_AP |
| 2041 | if (wpa_s->ap_iface) |
| 2042 | return wpas_ap_wps_nfc_config_token(wpa_s, ndef); |
| 2043 | #endif /* CONFIG_AP */ |
| 2044 | return NULL; |
| 2045 | } |
| 2046 | |
| 2047 | |
Jouni Malinen | 3f2c8ba | 2012-06-27 18:56:41 +0300 | [diff] [blame] | 2048 | struct wpabuf * wpas_wps_nfc_token(struct wpa_supplicant *wpa_s, int ndef) |
| 2049 | { |
Jouni Malinen | 042ec55 | 2013-02-15 11:24:29 +0200 | [diff] [blame] | 2050 | if (wpa_s->conf->wps_nfc_pw_from_config) { |
| 2051 | return wps_nfc_token_build(ndef, |
| 2052 | wpa_s->conf->wps_nfc_dev_pw_id, |
| 2053 | wpa_s->conf->wps_nfc_dh_pubkey, |
| 2054 | wpa_s->conf->wps_nfc_dev_pw); |
| 2055 | } |
| 2056 | |
Jouni Malinen | bfc62fe | 2012-06-28 20:54:53 +0300 | [diff] [blame] | 2057 | return wps_nfc_token_gen(ndef, &wpa_s->conf->wps_nfc_dev_pw_id, |
| 2058 | &wpa_s->conf->wps_nfc_dh_pubkey, |
| 2059 | &wpa_s->conf->wps_nfc_dh_privkey, |
| 2060 | &wpa_s->conf->wps_nfc_dev_pw); |
Jouni Malinen | 3f2c8ba | 2012-06-27 18:56:41 +0300 | [diff] [blame] | 2061 | } |
| 2062 | |
| 2063 | |
| 2064 | int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *bssid) |
| 2065 | { |
| 2066 | struct wps_context *wps = wpa_s->wps; |
| 2067 | char pw[32 * 2 + 1]; |
| 2068 | |
| 2069 | if (wpa_s->conf->wps_nfc_dh_pubkey == NULL || |
| 2070 | wpa_s->conf->wps_nfc_dh_privkey == NULL || |
| 2071 | wpa_s->conf->wps_nfc_dev_pw == NULL) |
| 2072 | return -1; |
| 2073 | |
| 2074 | dh5_free(wps->dh_ctx); |
| 2075 | wpabuf_free(wps->dh_pubkey); |
| 2076 | wpabuf_free(wps->dh_privkey); |
| 2077 | wps->dh_privkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_privkey); |
| 2078 | wps->dh_pubkey = wpabuf_dup(wpa_s->conf->wps_nfc_dh_pubkey); |
| 2079 | if (wps->dh_privkey == NULL || wps->dh_pubkey == NULL) { |
| 2080 | wps->dh_ctx = NULL; |
| 2081 | wpabuf_free(wps->dh_pubkey); |
| 2082 | wps->dh_pubkey = NULL; |
| 2083 | wpabuf_free(wps->dh_privkey); |
| 2084 | wps->dh_privkey = NULL; |
| 2085 | return -1; |
| 2086 | } |
| 2087 | wps->dh_ctx = dh5_init_fixed(wps->dh_privkey, wps->dh_pubkey); |
Jouni Malinen | 5c9d63d | 2013-04-01 19:27:32 +0300 | [diff] [blame] | 2088 | if (wps->dh_ctx == NULL) { |
| 2089 | wpabuf_free(wps->dh_pubkey); |
| 2090 | wps->dh_pubkey = NULL; |
| 2091 | wpabuf_free(wps->dh_privkey); |
| 2092 | wps->dh_privkey = NULL; |
Jouni Malinen | 3f2c8ba | 2012-06-27 18:56:41 +0300 | [diff] [blame] | 2093 | return -1; |
Jouni Malinen | 5c9d63d | 2013-04-01 19:27:32 +0300 | [diff] [blame] | 2094 | } |
Jouni Malinen | 3f2c8ba | 2012-06-27 18:56:41 +0300 | [diff] [blame] | 2095 | |
| 2096 | wpa_snprintf_hex_uppercase(pw, sizeof(pw), |
| 2097 | wpabuf_head(wpa_s->conf->wps_nfc_dev_pw), |
| 2098 | wpabuf_len(wpa_s->conf->wps_nfc_dev_pw)); |
| 2099 | return wpas_wps_start_pin(wpa_s, bssid, pw, 0, |
| 2100 | wpa_s->conf->wps_nfc_dev_pw_id); |
| 2101 | } |
| 2102 | |
Jouni Malinen | d7645d2 | 2012-06-28 13:59:29 +0300 | [diff] [blame] | 2103 | |
| 2104 | static int wpas_wps_use_cred(struct wpa_supplicant *wpa_s, |
| 2105 | struct wps_parse_attr *attr) |
| 2106 | { |
Jouni Malinen | bd3a373 | 2012-10-28 18:02:04 +0200 | [diff] [blame] | 2107 | wpa_s->wps_ap_channel = 0; |
| 2108 | |
Jouni Malinen | 170f566 | 2013-05-15 16:46:45 +0300 | [diff] [blame] | 2109 | /* |
| 2110 | * Disable existing networks temporarily to allow the newly learned |
| 2111 | * credential to be preferred. Enable the temporarily disabled networks |
| 2112 | * after 10 seconds. |
| 2113 | */ |
| 2114 | wpas_wps_temp_disable(wpa_s, NULL); |
| 2115 | eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s, |
| 2116 | NULL); |
| 2117 | |
Jouni Malinen | d7645d2 | 2012-06-28 13:59:29 +0300 | [diff] [blame] | 2118 | if (wps_oob_use_cred(wpa_s->wps, attr) < 0) |
| 2119 | return -1; |
| 2120 | |
| 2121 | if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) |
| 2122 | return 0; |
| 2123 | |
| 2124 | wpa_printf(MSG_DEBUG, "WPS: Request reconnection with new network " |
| 2125 | "based on the received credential added"); |
| 2126 | wpa_s->normal_scans = 0; |
| 2127 | wpa_supplicant_reinit_autoscan(wpa_s); |
Jouni Malinen | bd3a373 | 2012-10-28 18:02:04 +0200 | [diff] [blame] | 2128 | if (wpa_s->wps_ap_channel) { |
| 2129 | u16 chan = wpa_s->wps_ap_channel; |
| 2130 | int freq = 0; |
| 2131 | |
| 2132 | if (chan >= 1 && chan <= 13) |
| 2133 | freq = 2407 + 5 * chan; |
| 2134 | else if (chan == 14) |
| 2135 | freq = 2484; |
| 2136 | else if (chan >= 30) |
| 2137 | freq = 5000 + 5 * chan; |
| 2138 | |
| 2139 | if (freq) { |
| 2140 | wpa_printf(MSG_DEBUG, "WPS: Credential indicated " |
| 2141 | "AP channel %u -> %u MHz", chan, freq); |
| 2142 | wpa_s->after_wps = 5; |
| 2143 | wpa_s->wps_freq = freq; |
| 2144 | } |
| 2145 | } |
Jouni Malinen | d7645d2 | 2012-06-28 13:59:29 +0300 | [diff] [blame] | 2146 | wpa_s->disconnected = 0; |
| 2147 | wpa_s->reassociate = 1; |
Jithu Jance | 7e910b7 | 2013-10-14 20:42:27 +0300 | [diff] [blame] | 2148 | |
| 2149 | wpa_supplicant_cancel_sched_scan(wpa_s); |
Jouni Malinen | d7645d2 | 2012-06-28 13:59:29 +0300 | [diff] [blame] | 2150 | wpa_supplicant_req_scan(wpa_s, 0, 0); |
| 2151 | |
| 2152 | return 0; |
| 2153 | } |
| 2154 | |
| 2155 | |
Masashi Honma | 6df865f | 2012-09-15 22:02:09 -0700 | [diff] [blame] | 2156 | #ifdef CONFIG_WPS_ER |
Jouni Malinen | e6ea2a4 | 2012-06-28 17:34:46 +0300 | [diff] [blame] | 2157 | static int wpas_wps_add_nfc_password_token(struct wpa_supplicant *wpa_s, |
| 2158 | struct wps_parse_attr *attr) |
| 2159 | { |
Jouni Malinen | e6ea2a4 | 2012-06-28 17:34:46 +0300 | [diff] [blame] | 2160 | return wps_registrar_add_nfc_password_token( |
| 2161 | wpa_s->wps->registrar, attr->oob_dev_password, |
| 2162 | attr->oob_dev_password_len); |
| 2163 | } |
Masashi Honma | 6df865f | 2012-09-15 22:02:09 -0700 | [diff] [blame] | 2164 | #endif /* CONFIG_WPS_ER */ |
Jouni Malinen | e6ea2a4 | 2012-06-28 17:34:46 +0300 | [diff] [blame] | 2165 | |
| 2166 | |
Jouni Malinen | d7645d2 | 2012-06-28 13:59:29 +0300 | [diff] [blame] | 2167 | static int wpas_wps_nfc_tag_process(struct wpa_supplicant *wpa_s, |
| 2168 | const struct wpabuf *wps) |
| 2169 | { |
| 2170 | struct wps_parse_attr attr; |
| 2171 | |
| 2172 | wpa_hexdump_buf(MSG_DEBUG, "WPS: Received NFC tag payload", wps); |
| 2173 | |
| 2174 | if (wps_parse_msg(wps, &attr)) { |
| 2175 | wpa_printf(MSG_DEBUG, "WPS: Ignore invalid data from NFC tag"); |
| 2176 | return -1; |
| 2177 | } |
| 2178 | |
| 2179 | if (attr.num_cred) |
| 2180 | return wpas_wps_use_cred(wpa_s, &attr); |
| 2181 | |
Jouni Malinen | e6ea2a4 | 2012-06-28 17:34:46 +0300 | [diff] [blame] | 2182 | #ifdef CONFIG_WPS_ER |
| 2183 | if (attr.oob_dev_password) |
| 2184 | return wpas_wps_add_nfc_password_token(wpa_s, &attr); |
| 2185 | #endif /* CONFIG_WPS_ER */ |
| 2186 | |
Jouni Malinen | d7645d2 | 2012-06-28 13:59:29 +0300 | [diff] [blame] | 2187 | wpa_printf(MSG_DEBUG, "WPS: Ignore unrecognized NFC tag"); |
| 2188 | return -1; |
| 2189 | } |
| 2190 | |
| 2191 | |
| 2192 | int wpas_wps_nfc_tag_read(struct wpa_supplicant *wpa_s, |
| 2193 | const struct wpabuf *data) |
| 2194 | { |
| 2195 | const struct wpabuf *wps = data; |
| 2196 | struct wpabuf *tmp = NULL; |
| 2197 | int ret; |
| 2198 | |
| 2199 | if (wpabuf_len(data) < 4) |
| 2200 | return -1; |
| 2201 | |
| 2202 | if (*wpabuf_head_u8(data) != 0x10) { |
| 2203 | /* Assume this contains full NDEF record */ |
| 2204 | tmp = ndef_parse_wifi(data); |
| 2205 | if (tmp == NULL) { |
| 2206 | wpa_printf(MSG_DEBUG, "WPS: Could not parse NDEF"); |
| 2207 | return -1; |
| 2208 | } |
| 2209 | wps = tmp; |
| 2210 | } |
| 2211 | |
| 2212 | ret = wpas_wps_nfc_tag_process(wpa_s, wps); |
| 2213 | wpabuf_free(tmp); |
| 2214 | return ret; |
| 2215 | } |
| 2216 | |
Jouni Malinen | e65552d | 2012-10-28 17:39:46 +0200 | [diff] [blame] | 2217 | |
Jouni Malinen | bbaaaee | 2013-02-10 18:19:59 +0200 | [diff] [blame] | 2218 | struct wpabuf * wpas_wps_nfc_handover_req(struct wpa_supplicant *wpa_s, int cr) |
Jouni Malinen | e65552d | 2012-10-28 17:39:46 +0200 | [diff] [blame] | 2219 | { |
Jouni Malinen | bbaaaee | 2013-02-10 18:19:59 +0200 | [diff] [blame] | 2220 | if (cr) |
| 2221 | return ndef_build_wifi_hc(1); |
Jouni Malinen | e65552d | 2012-10-28 17:39:46 +0200 | [diff] [blame] | 2222 | return ndef_build_wifi_hr(); |
| 2223 | } |
| 2224 | |
| 2225 | |
Jouni Malinen | f3f2ba2 | 2013-02-24 10:56:29 +0200 | [diff] [blame] | 2226 | #ifdef CONFIG_WPS_NFC |
| 2227 | struct wpabuf * wpas_wps_er_nfc_handover_sel(struct wpa_supplicant *wpa_s, |
| 2228 | int ndef, const char *uuid) |
Jouni Malinen | e65552d | 2012-10-28 17:39:46 +0200 | [diff] [blame] | 2229 | { |
Jouni Malinen | 94d7acf | 2013-03-13 00:01:32 +0200 | [diff] [blame] | 2230 | #ifdef CONFIG_WPS_ER |
Jouni Malinen | f3f2ba2 | 2013-02-24 10:56:29 +0200 | [diff] [blame] | 2231 | struct wpabuf *ret; |
Jouni Malinen | 59307b3 | 2013-04-01 20:32:09 +0300 | [diff] [blame] | 2232 | u8 u[UUID_LEN], *use_uuid = NULL; |
| 2233 | u8 addr[ETH_ALEN], *use_addr = NULL; |
Jouni Malinen | f3f2ba2 | 2013-02-24 10:56:29 +0200 | [diff] [blame] | 2234 | |
| 2235 | if (!wpa_s->wps_er) |
| 2236 | return NULL; |
| 2237 | |
Jouni Malinen | 59307b3 | 2013-04-01 20:32:09 +0300 | [diff] [blame] | 2238 | if (uuid == NULL) |
| 2239 | return NULL; |
| 2240 | if (uuid_str2bin(uuid, u) == 0) |
| 2241 | use_uuid = u; |
| 2242 | else if (hwaddr_aton(uuid, addr) == 0) |
| 2243 | use_addr = addr; |
| 2244 | else |
Jouni Malinen | f3f2ba2 | 2013-02-24 10:56:29 +0200 | [diff] [blame] | 2245 | return NULL; |
| 2246 | |
| 2247 | /* |
| 2248 | * Handover Select carrier record for WPS uses the same format as |
| 2249 | * configuration token. |
| 2250 | */ |
Jouni Malinen | 59307b3 | 2013-04-01 20:32:09 +0300 | [diff] [blame] | 2251 | ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr); |
Jouni Malinen | f3f2ba2 | 2013-02-24 10:56:29 +0200 | [diff] [blame] | 2252 | if (ndef && ret) { |
| 2253 | struct wpabuf *tmp; |
| 2254 | tmp = ndef_build_wifi(ret); |
| 2255 | wpabuf_free(ret); |
| 2256 | if (tmp == NULL) |
| 2257 | return NULL; |
| 2258 | ret = tmp; |
| 2259 | } |
| 2260 | |
| 2261 | return ret; |
Jouni Malinen | 94d7acf | 2013-03-13 00:01:32 +0200 | [diff] [blame] | 2262 | #else /* CONFIG_WPS_ER */ |
| 2263 | return NULL; |
| 2264 | #endif /* CONFIG_WPS_ER */ |
Jouni Malinen | f3f2ba2 | 2013-02-24 10:56:29 +0200 | [diff] [blame] | 2265 | } |
| 2266 | #endif /* CONFIG_WPS_NFC */ |
| 2267 | |
| 2268 | |
| 2269 | struct wpabuf * wpas_wps_nfc_handover_sel(struct wpa_supplicant *wpa_s, |
| 2270 | int ndef, int cr, const char *uuid) |
| 2271 | { |
| 2272 | struct wpabuf *ret; |
Jouni Malinen | 5ab9a6a | 2013-02-15 12:34:55 +0200 | [diff] [blame] | 2273 | if (!cr) |
| 2274 | return NULL; |
Jouni Malinen | f3f2ba2 | 2013-02-24 10:56:29 +0200 | [diff] [blame] | 2275 | ret = wpas_ap_wps_nfc_handover_sel(wpa_s, ndef); |
| 2276 | if (ret) |
| 2277 | return ret; |
| 2278 | return wpas_wps_er_nfc_handover_sel(wpa_s, ndef, uuid); |
Jouni Malinen | e65552d | 2012-10-28 17:39:46 +0200 | [diff] [blame] | 2279 | } |
| 2280 | |
| 2281 | |
| 2282 | int wpas_wps_nfc_rx_handover_req(struct wpa_supplicant *wpa_s, |
| 2283 | const struct wpabuf *data) |
| 2284 | { |
| 2285 | /* TODO */ |
| 2286 | return -1; |
| 2287 | } |
| 2288 | |
| 2289 | |
| 2290 | int wpas_wps_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s, |
| 2291 | const struct wpabuf *data) |
| 2292 | { |
| 2293 | struct wpabuf *wps; |
| 2294 | int ret; |
| 2295 | |
| 2296 | wps = ndef_parse_wifi(data); |
| 2297 | if (wps == NULL) |
| 2298 | return -1; |
| 2299 | wpa_printf(MSG_DEBUG, "WPS: Received application/vnd.wfa.wsc " |
| 2300 | "payload from NFC connection handover"); |
| 2301 | wpa_hexdump_buf_key(MSG_DEBUG, "WPS: NFC payload", wps); |
| 2302 | ret = wpas_wps_nfc_tag_process(wpa_s, wps); |
| 2303 | wpabuf_free(wps); |
| 2304 | |
| 2305 | return ret; |
| 2306 | } |
| 2307 | |
Jouni Malinen | e475882 | 2013-02-11 18:43:46 +0200 | [diff] [blame] | 2308 | |
| 2309 | int wpas_wps_nfc_report_handover(struct wpa_supplicant *wpa_s, |
| 2310 | const struct wpabuf *req, |
| 2311 | const struct wpabuf *sel) |
| 2312 | { |
| 2313 | wpa_printf(MSG_DEBUG, "NFC: WPS connection handover reported"); |
| 2314 | wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in request", req); |
| 2315 | wpa_hexdump_buf_key(MSG_DEBUG, "WPS: Carrier record in select", sel); |
| 2316 | return wpas_wps_nfc_rx_handover_sel(wpa_s, sel); |
| 2317 | } |
| 2318 | |
Jouni Malinen | 3f2c8ba | 2012-06-27 18:56:41 +0300 | [diff] [blame] | 2319 | #endif /* CONFIG_WPS_NFC */ |
Jouni Malinen | f9f0526 | 2012-08-27 13:48:11 +0300 | [diff] [blame] | 2320 | |
| 2321 | |
| 2322 | extern int wpa_debug_level; |
| 2323 | |
| 2324 | static void wpas_wps_dump_ap_info(struct wpa_supplicant *wpa_s) |
| 2325 | { |
| 2326 | size_t i; |
Johannes Berg | 51bffab | 2013-12-16 21:08:43 +0100 | [diff] [blame] | 2327 | struct os_reltime now; |
Jouni Malinen | f9f0526 | 2012-08-27 13:48:11 +0300 | [diff] [blame] | 2328 | |
| 2329 | if (wpa_debug_level > MSG_DEBUG) |
| 2330 | return; |
| 2331 | |
| 2332 | if (wpa_s->wps_ap == NULL) |
| 2333 | return; |
| 2334 | |
Johannes Berg | 51bffab | 2013-12-16 21:08:43 +0100 | [diff] [blame] | 2335 | os_get_reltime(&now); |
Jouni Malinen | f9f0526 | 2012-08-27 13:48:11 +0300 | [diff] [blame] | 2336 | |
| 2337 | for (i = 0; i < wpa_s->num_wps_ap; i++) { |
| 2338 | struct wps_ap_info *ap = &wpa_s->wps_ap[i]; |
| 2339 | struct wpa_blacklist *e = wpa_blacklist_get(wpa_s, ap->bssid); |
| 2340 | |
| 2341 | wpa_printf(MSG_DEBUG, "WPS: AP[%d] " MACSTR " type=%d " |
| 2342 | "tries=%d last_attempt=%d sec ago blacklist=%d", |
| 2343 | (int) i, MAC2STR(ap->bssid), ap->type, ap->tries, |
| 2344 | ap->last_attempt.sec > 0 ? |
| 2345 | (int) now.sec - (int) ap->last_attempt.sec : -1, |
| 2346 | e ? e->count : 0); |
| 2347 | } |
| 2348 | } |
| 2349 | |
| 2350 | |
| 2351 | static struct wps_ap_info * wpas_wps_get_ap_info(struct wpa_supplicant *wpa_s, |
| 2352 | const u8 *bssid) |
| 2353 | { |
| 2354 | size_t i; |
| 2355 | |
| 2356 | if (wpa_s->wps_ap == NULL) |
| 2357 | return NULL; |
| 2358 | |
| 2359 | for (i = 0; i < wpa_s->num_wps_ap; i++) { |
| 2360 | struct wps_ap_info *ap = &wpa_s->wps_ap[i]; |
| 2361 | if (os_memcmp(ap->bssid, bssid, ETH_ALEN) == 0) |
| 2362 | return ap; |
| 2363 | } |
| 2364 | |
| 2365 | return NULL; |
| 2366 | } |
| 2367 | |
| 2368 | |
| 2369 | static void wpas_wps_update_ap_info_bss(struct wpa_supplicant *wpa_s, |
| 2370 | struct wpa_scan_res *res) |
| 2371 | { |
| 2372 | struct wpabuf *wps; |
| 2373 | enum wps_ap_info_type type; |
| 2374 | struct wps_ap_info *ap; |
| 2375 | int r; |
| 2376 | |
| 2377 | if (wpa_scan_get_vendor_ie(res, WPS_IE_VENDOR_TYPE) == NULL) |
| 2378 | return; |
| 2379 | |
| 2380 | wps = wpa_scan_get_vendor_ie_multi(res, WPS_IE_VENDOR_TYPE); |
| 2381 | if (wps == NULL) |
| 2382 | return; |
| 2383 | |
| 2384 | r = wps_is_addr_authorized(wps, wpa_s->own_addr, 1); |
| 2385 | if (r == 2) |
| 2386 | type = WPS_AP_SEL_REG_OUR; |
| 2387 | else if (r == 1) |
| 2388 | type = WPS_AP_SEL_REG; |
| 2389 | else |
| 2390 | type = WPS_AP_NOT_SEL_REG; |
| 2391 | |
| 2392 | wpabuf_free(wps); |
| 2393 | |
| 2394 | ap = wpas_wps_get_ap_info(wpa_s, res->bssid); |
| 2395 | if (ap) { |
| 2396 | if (ap->type != type) { |
| 2397 | wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR |
| 2398 | " changed type %d -> %d", |
| 2399 | MAC2STR(res->bssid), ap->type, type); |
| 2400 | ap->type = type; |
Jouni Malinen | a462036 | 2012-08-27 13:51:35 +0300 | [diff] [blame] | 2401 | if (type != WPS_AP_NOT_SEL_REG) |
| 2402 | wpa_blacklist_del(wpa_s, ap->bssid); |
Jouni Malinen | f9f0526 | 2012-08-27 13:48:11 +0300 | [diff] [blame] | 2403 | } |
| 2404 | return; |
| 2405 | } |
| 2406 | |
| 2407 | ap = os_realloc_array(wpa_s->wps_ap, wpa_s->num_wps_ap + 1, |
| 2408 | sizeof(struct wps_ap_info)); |
| 2409 | if (ap == NULL) |
| 2410 | return; |
| 2411 | |
| 2412 | wpa_s->wps_ap = ap; |
| 2413 | ap = &wpa_s->wps_ap[wpa_s->num_wps_ap]; |
| 2414 | wpa_s->num_wps_ap++; |
| 2415 | |
| 2416 | os_memset(ap, 0, sizeof(*ap)); |
| 2417 | os_memcpy(ap->bssid, res->bssid, ETH_ALEN); |
| 2418 | ap->type = type; |
| 2419 | wpa_printf(MSG_DEBUG, "WPS: AP " MACSTR " type %d added", |
| 2420 | MAC2STR(ap->bssid), ap->type); |
| 2421 | } |
| 2422 | |
| 2423 | |
| 2424 | void wpas_wps_update_ap_info(struct wpa_supplicant *wpa_s, |
| 2425 | struct wpa_scan_results *scan_res) |
| 2426 | { |
| 2427 | size_t i; |
| 2428 | |
| 2429 | for (i = 0; i < scan_res->num; i++) |
| 2430 | wpas_wps_update_ap_info_bss(wpa_s, scan_res->res[i]); |
| 2431 | |
| 2432 | wpas_wps_dump_ap_info(wpa_s); |
| 2433 | } |
| 2434 | |
| 2435 | |
| 2436 | void wpas_wps_notify_assoc(struct wpa_supplicant *wpa_s, const u8 *bssid) |
| 2437 | { |
| 2438 | struct wps_ap_info *ap; |
Jouni Malinen | 7255983 | 2013-10-20 21:34:39 +0300 | [diff] [blame] | 2439 | |
| 2440 | wpa_s->after_wps = 0; |
| 2441 | |
Jouni Malinen | f9f0526 | 2012-08-27 13:48:11 +0300 | [diff] [blame] | 2442 | if (!wpa_s->wps_ap_iter) |
| 2443 | return; |
| 2444 | ap = wpas_wps_get_ap_info(wpa_s, bssid); |
| 2445 | if (ap == NULL) |
| 2446 | return; |
| 2447 | ap->tries++; |
Johannes Berg | 51bffab | 2013-12-16 21:08:43 +0100 | [diff] [blame] | 2448 | os_get_reltime(&ap->last_attempt); |
Jouni Malinen | f9f0526 | 2012-08-27 13:48:11 +0300 | [diff] [blame] | 2449 | } |