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00015 #include "utils/includes.h"
00016
00017 #include "utils/common.h"
00018 #include "utils/eloop.h"
00019 #include "common/ieee802_11_defs.h"
00020 #include "common/wpa_ctrl.h"
00021 #include "eap_peer/eap.h"
00022 #include "eapol_supp/eapol_supp_sm.h"
00023 #include "rsn_supp/wpa.h"
00024 #include "rsn_supp/preauth.h"
00025 #include "rsn_supp/pmksa_cache.h"
00026 #include "l2_packet/l2_packet.h"
00027 #include "wps/wps.h"
00028 #include "config.h"
00029 #include "wpa_supplicant_i.h"
00030 #include "driver_i.h"
00031 #include "wps_supplicant.h"
00032 #include "ibss_rsn.h"
00033 #include "ap.h"
00034 #include "notify.h"
00035 #include "bss.h"
00036 #include "scan.h"
00037 #include "ctrl_iface.h"
00038
00039 extern struct wpa_driver_ops *wpa_drivers[];
00040
00041 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
00042 char *buf, int len);
00043 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
00044 char *buf, int len);
00045
00046
00047 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
00048 char *cmd)
00049 {
00050 char *value;
00051 int ret = 0;
00052
00053 value = os_strchr(cmd, ' ');
00054 if (value == NULL)
00055 return -1;
00056 *value++ = '\0';
00057
00058 wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
00059 if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
00060 eapol_sm_configure(wpa_s->eapol,
00061 atoi(value), -1, -1, -1);
00062 } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
00063 eapol_sm_configure(wpa_s->eapol,
00064 -1, atoi(value), -1, -1);
00065 } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
00066 eapol_sm_configure(wpa_s->eapol,
00067 -1, -1, atoi(value), -1);
00068 } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
00069 eapol_sm_configure(wpa_s->eapol,
00070 -1, -1, -1, atoi(value));
00071 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
00072 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
00073 atoi(value)))
00074 ret = -1;
00075 } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
00076 0) {
00077 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
00078 atoi(value)))
00079 ret = -1;
00080 } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
00081 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
00082 ret = -1;
00083 } else
00084 ret = -1;
00085
00086 return ret;
00087 }
00088
00089
00090 #ifdef IEEE8021X_EAPOL
00091 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
00092 char *addr)
00093 {
00094 u8 bssid[ETH_ALEN];
00095 struct wpa_ssid *ssid = wpa_s->current_ssid;
00096
00097 if (hwaddr_aton(addr, bssid)) {
00098 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
00099 "'%s'", addr);
00100 return -1;
00101 }
00102
00103 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
00104 rsn_preauth_deinit(wpa_s->wpa);
00105 if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
00106 return -1;
00107
00108 return 0;
00109 }
00110 #endif
00111
00112
00113 #ifdef CONFIG_PEERKEY
00114
00115 static int wpa_supplicant_ctrl_iface_stkstart(
00116 struct wpa_supplicant *wpa_s, char *addr)
00117 {
00118 u8 peer[ETH_ALEN];
00119
00120 if (hwaddr_aton(addr, peer)) {
00121 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
00122 "address '%s'", addr);
00123 return -1;
00124 }
00125
00126 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
00127 MAC2STR(peer));
00128
00129 return wpa_sm_stkstart(wpa_s->wpa, peer);
00130 }
00131 #endif
00132
00133
00134 #ifdef CONFIG_IEEE80211R
00135 static int wpa_supplicant_ctrl_iface_ft_ds(
00136 struct wpa_supplicant *wpa_s, char *addr)
00137 {
00138 u8 target_ap[ETH_ALEN];
00139 struct wpa_bss *bss;
00140 const u8 *mdie;
00141
00142 if (hwaddr_aton(addr, target_ap)) {
00143 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
00144 "address '%s'", addr);
00145 return -1;
00146 }
00147
00148 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
00149
00150 bss = wpa_bss_get_bssid(wpa_s, target_ap);
00151 if (bss)
00152 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
00153 else
00154 mdie = NULL;
00155
00156 return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
00157 }
00158 #endif
00159
00160
00161 #ifdef CONFIG_WPS
00162 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
00163 char *cmd)
00164 {
00165 u8 bssid[ETH_ALEN], *_bssid = bssid;
00166
00167 if (cmd == NULL || os_strcmp(cmd, "any") == 0)
00168 _bssid = NULL;
00169 else if (hwaddr_aton(cmd, bssid)) {
00170 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
00171 cmd);
00172 return -1;
00173 }
00174
00175 #ifdef CONFIG_AP
00176 if (wpa_s->ap_iface)
00177 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid);
00178 #endif
00179
00180 return wpas_wps_start_pbc(wpa_s, _bssid);
00181 }
00182
00183
00184 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
00185 char *cmd, char *buf,
00186 size_t buflen)
00187 {
00188 u8 bssid[ETH_ALEN], *_bssid = bssid;
00189 char *pin;
00190 int ret;
00191
00192 pin = os_strchr(cmd, ' ');
00193 if (pin)
00194 *pin++ = '\0';
00195
00196 if (os_strcmp(cmd, "any") == 0)
00197 _bssid = NULL;
00198 else if (hwaddr_aton(cmd, bssid)) {
00199 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
00200 cmd);
00201 return -1;
00202 }
00203
00204 #ifdef CONFIG_AP
00205 if (wpa_s->ap_iface)
00206 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
00207 buf, buflen);
00208 #endif
00209
00210 if (pin) {
00211 ret = wpas_wps_start_pin(wpa_s, _bssid, pin);
00212 if (ret < 0)
00213 return -1;
00214 ret = os_snprintf(buf, buflen, "%s", pin);
00215 if (ret < 0 || (size_t) ret >= buflen)
00216 return -1;
00217 return ret;
00218 }
00219
00220 ret = wpas_wps_start_pin(wpa_s, _bssid, NULL);
00221 if (ret < 0)
00222 return -1;
00223
00224
00225 ret = os_snprintf(buf, buflen, "%08d", ret);
00226 if (ret < 0 || (size_t) ret >= buflen)
00227 return -1;
00228 return ret;
00229 }
00230
00231
00232 #ifdef CONFIG_WPS_OOB
00233 static int wpa_supplicant_ctrl_iface_wps_oob(struct wpa_supplicant *wpa_s,
00234 char *cmd)
00235 {
00236 char *path, *method, *name;
00237
00238 path = os_strchr(cmd, ' ');
00239 if (path == NULL)
00240 return -1;
00241 *path++ = '\0';
00242
00243 method = os_strchr(path, ' ');
00244 if (method == NULL)
00245 return -1;
00246 *method++ = '\0';
00247
00248 name = os_strchr(method, ' ');
00249 if (name != NULL)
00250 *name++ = '\0';
00251
00252 return wpas_wps_start_oob(wpa_s, cmd, path, method, name);
00253 }
00254 #endif
00255
00256
00257 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
00258 char *cmd)
00259 {
00260 u8 bssid[ETH_ALEN], *_bssid = bssid;
00261 char *pin;
00262 char *new_ssid;
00263 char *new_auth;
00264 char *new_encr;
00265 char *new_key;
00266 struct wps_new_ap_settings ap;
00267
00268 pin = os_strchr(cmd, ' ');
00269 if (pin == NULL)
00270 return -1;
00271 *pin++ = '\0';
00272
00273 if (os_strcmp(cmd, "any") == 0)
00274 _bssid = NULL;
00275 else if (hwaddr_aton(cmd, bssid)) {
00276 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
00277 cmd);
00278 return -1;
00279 }
00280
00281 new_ssid = os_strchr(pin, ' ');
00282 if (new_ssid == NULL)
00283 return wpas_wps_start_reg(wpa_s, _bssid, pin, NULL);
00284 *new_ssid++ = '\0';
00285
00286 new_auth = os_strchr(new_ssid, ' ');
00287 if (new_auth == NULL)
00288 return -1;
00289 *new_auth++ = '\0';
00290
00291 new_encr = os_strchr(new_auth, ' ');
00292 if (new_encr == NULL)
00293 return -1;
00294 *new_encr++ = '\0';
00295
00296 new_key = os_strchr(new_encr, ' ');
00297 if (new_key == NULL)
00298 return -1;
00299 *new_key++ = '\0';
00300
00301 os_memset(&ap, 0, sizeof(ap));
00302 ap.ssid_hex = new_ssid;
00303 ap.auth = new_auth;
00304 ap.encr = new_encr;
00305 ap.key_hex = new_key;
00306 return wpas_wps_start_reg(wpa_s, _bssid, pin, &ap);
00307 }
00308
00309
00310 #ifdef CONFIG_WPS_ER
00311 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
00312 char *cmd)
00313 {
00314 char *uuid = cmd, *pin;
00315 pin = os_strchr(uuid, ' ');
00316 if (pin == NULL)
00317 return -1;
00318 *pin++ = '\0';
00319 return wpas_wps_er_add_pin(wpa_s, uuid, pin);
00320 }
00321
00322
00323 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
00324 char *cmd)
00325 {
00326 char *uuid = cmd, *pin;
00327 pin = os_strchr(uuid, ' ');
00328 if (pin == NULL)
00329 return -1;
00330 *pin++ = '\0';
00331 return wpas_wps_er_learn(wpa_s, uuid, pin);
00332 }
00333 #endif
00334
00335 #endif
00336
00337
00338 #ifdef CONFIG_IBSS_RSN
00339 static int wpa_supplicant_ctrl_iface_ibss_rsn(
00340 struct wpa_supplicant *wpa_s, char *addr)
00341 {
00342 u8 peer[ETH_ALEN];
00343
00344 if (hwaddr_aton(addr, peer)) {
00345 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
00346 "address '%s'", addr);
00347 return -1;
00348 }
00349
00350 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
00351 MAC2STR(peer));
00352
00353 return ibss_rsn_start(wpa_s->ibss_rsn, peer);
00354 }
00355 #endif
00356
00357
00358 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
00359 char *rsp)
00360 {
00361 #ifdef IEEE8021X_EAPOL
00362 char *pos, *id_pos;
00363 int id;
00364 struct wpa_ssid *ssid;
00365 struct eap_peer_config *eap;
00366
00367 pos = os_strchr(rsp, '-');
00368 if (pos == NULL)
00369 return -1;
00370 *pos++ = '\0';
00371 id_pos = pos;
00372 pos = os_strchr(pos, ':');
00373 if (pos == NULL)
00374 return -1;
00375 *pos++ = '\0';
00376 id = atoi(id_pos);
00377 wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
00378 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
00379 (u8 *) pos, os_strlen(pos));
00380
00381 ssid = wpa_config_get_network(wpa_s->conf, id);
00382 if (ssid == NULL) {
00383 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
00384 "to update", id);
00385 return -1;
00386 }
00387 eap = &ssid->eap;
00388
00389 if (os_strcmp(rsp, "IDENTITY") == 0) {
00390 os_free(eap->identity);
00391 eap->identity = (u8 *) os_strdup(pos);
00392 eap->identity_len = os_strlen(pos);
00393 eap->pending_req_identity = 0;
00394 if (ssid == wpa_s->current_ssid)
00395 wpa_s->reassociate = 1;
00396 } else if (os_strcmp(rsp, "PASSWORD") == 0) {
00397 os_free(eap->password);
00398 eap->password = (u8 *) os_strdup(pos);
00399 eap->password_len = os_strlen(pos);
00400 eap->pending_req_password = 0;
00401 if (ssid == wpa_s->current_ssid)
00402 wpa_s->reassociate = 1;
00403 } else if (os_strcmp(rsp, "NEW_PASSWORD") == 0) {
00404 os_free(eap->new_password);
00405 eap->new_password = (u8 *) os_strdup(pos);
00406 eap->new_password_len = os_strlen(pos);
00407 eap->pending_req_new_password = 0;
00408 if (ssid == wpa_s->current_ssid)
00409 wpa_s->reassociate = 1;
00410 } else if (os_strcmp(rsp, "PIN") == 0) {
00411 os_free(eap->pin);
00412 eap->pin = os_strdup(pos);
00413 eap->pending_req_pin = 0;
00414 if (ssid == wpa_s->current_ssid)
00415 wpa_s->reassociate = 1;
00416 } else if (os_strcmp(rsp, "OTP") == 0) {
00417 os_free(eap->otp);
00418 eap->otp = (u8 *) os_strdup(pos);
00419 eap->otp_len = os_strlen(pos);
00420 os_free(eap->pending_req_otp);
00421 eap->pending_req_otp = NULL;
00422 eap->pending_req_otp_len = 0;
00423 } else if (os_strcmp(rsp, "PASSPHRASE") == 0) {
00424 os_free(eap->private_key_passwd);
00425 eap->private_key_passwd = (u8 *) os_strdup(pos);
00426 eap->pending_req_passphrase = 0;
00427 if (ssid == wpa_s->current_ssid)
00428 wpa_s->reassociate = 1;
00429 } else {
00430 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown field '%s'", rsp);
00431 return -1;
00432 }
00433
00434 return 0;
00435 #else
00436 wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
00437 return -1;
00438 #endif
00439 }
00440
00441
00442 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
00443 const char *params,
00444 char *buf, size_t buflen)
00445 {
00446 char *pos, *end, tmp[30];
00447 int res, verbose, ret;
00448
00449 verbose = os_strcmp(params, "-VERBOSE") == 0;
00450 pos = buf;
00451 end = buf + buflen;
00452 if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
00453 struct wpa_ssid *ssid = wpa_s->current_ssid;
00454 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
00455 MAC2STR(wpa_s->bssid));
00456 if (ret < 0 || ret >= end - pos)
00457 return pos - buf;
00458 pos += ret;
00459 if (ssid) {
00460 u8 *_ssid = ssid->ssid;
00461 size_t ssid_len = ssid->ssid_len;
00462 u8 ssid_buf[MAX_SSID_LEN];
00463 if (ssid_len == 0) {
00464 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
00465 if (_res < 0)
00466 ssid_len = 0;
00467 else
00468 ssid_len = _res;
00469 _ssid = ssid_buf;
00470 }
00471 ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
00472 wpa_ssid_txt(_ssid, ssid_len),
00473 ssid->id);
00474 if (ret < 0 || ret >= end - pos)
00475 return pos - buf;
00476 pos += ret;
00477
00478 if (ssid->id_str) {
00479 ret = os_snprintf(pos, end - pos,
00480 "id_str=%s\n",
00481 ssid->id_str);
00482 if (ret < 0 || ret >= end - pos)
00483 return pos - buf;
00484 pos += ret;
00485 }
00486
00487 switch (ssid->mode) {
00488 case WPAS_MODE_INFRA:
00489 ret = os_snprintf(pos, end - pos,
00490 "mode=station\n");
00491 break;
00492 case WPAS_MODE_IBSS:
00493 ret = os_snprintf(pos, end - pos,
00494 "mode=IBSS\n");
00495 break;
00496 case WPAS_MODE_AP:
00497 ret = os_snprintf(pos, end - pos,
00498 "mode=AP\n");
00499 break;
00500 default:
00501 ret = 0;
00502 break;
00503 }
00504 if (ret < 0 || ret >= end - pos)
00505 return pos - buf;
00506 pos += ret;
00507 }
00508
00509 #ifdef CONFIG_AP
00510 if (wpa_s->ap_iface) {
00511 pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
00512 end - pos,
00513 verbose);
00514 } else
00515 #endif
00516 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
00517 }
00518 ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
00519 wpa_supplicant_state_txt(wpa_s->wpa_state));
00520 if (ret < 0 || ret >= end - pos)
00521 return pos - buf;
00522 pos += ret;
00523
00524 if (wpa_s->l2 &&
00525 l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
00526 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
00527 if (ret < 0 || ret >= end - pos)
00528 return pos - buf;
00529 pos += ret;
00530 }
00531
00532 if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
00533 wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
00534 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
00535 verbose);
00536 if (res >= 0)
00537 pos += res;
00538 }
00539
00540 res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
00541 if (res >= 0)
00542 pos += res;
00543
00544 return pos - buf;
00545 }
00546
00547
00548 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
00549 char *cmd)
00550 {
00551 char *pos;
00552 int id;
00553 struct wpa_ssid *ssid;
00554 u8 bssid[ETH_ALEN];
00555
00556
00557 pos = os_strchr(cmd, ' ');
00558 if (pos == NULL)
00559 return -1;
00560 *pos++ = '\0';
00561 id = atoi(cmd);
00562 wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
00563 if (hwaddr_aton(pos, bssid)) {
00564 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
00565 return -1;
00566 }
00567
00568 ssid = wpa_config_get_network(wpa_s->conf, id);
00569 if (ssid == NULL) {
00570 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
00571 "to update", id);
00572 return -1;
00573 }
00574
00575 os_memcpy(ssid->bssid, bssid, ETH_ALEN);
00576 ssid->bssid_set = !is_zero_ether_addr(bssid);
00577
00578 return 0;
00579 }
00580
00581
00582 static int wpa_supplicant_ctrl_iface_list_networks(
00583 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
00584 {
00585 char *pos, *end;
00586 struct wpa_ssid *ssid;
00587 int ret;
00588
00589 pos = buf;
00590 end = buf + buflen;
00591 ret = os_snprintf(pos, end - pos,
00592 "network id / ssid / bssid / flags\n");
00593 if (ret < 0 || ret >= end - pos)
00594 return pos - buf;
00595 pos += ret;
00596
00597 ssid = wpa_s->conf->ssid;
00598 while (ssid) {
00599 ret = os_snprintf(pos, end - pos, "%d\t%s",
00600 ssid->id,
00601 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
00602 if (ret < 0 || ret >= end - pos)
00603 return pos - buf;
00604 pos += ret;
00605 if (ssid->bssid_set) {
00606 ret = os_snprintf(pos, end - pos, "\t" MACSTR,
00607 MAC2STR(ssid->bssid));
00608 } else {
00609 ret = os_snprintf(pos, end - pos, "\tany");
00610 }
00611 if (ret < 0 || ret >= end - pos)
00612 return pos - buf;
00613 pos += ret;
00614 ret = os_snprintf(pos, end - pos, "\t%s%s",
00615 ssid == wpa_s->current_ssid ?
00616 "[CURRENT]" : "",
00617 ssid->disabled ? "[DISABLED]" : "");
00618 if (ret < 0 || ret >= end - pos)
00619 return pos - buf;
00620 pos += ret;
00621 ret = os_snprintf(pos, end - pos, "\n");
00622 if (ret < 0 || ret >= end - pos)
00623 return pos - buf;
00624 pos += ret;
00625
00626 ssid = ssid->next;
00627 }
00628
00629 return pos - buf;
00630 }
00631
00632
00633 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
00634 {
00635 int first = 1, ret;
00636 ret = os_snprintf(pos, end - pos, "-");
00637 if (ret < 0 || ret >= end - pos)
00638 return pos;
00639 pos += ret;
00640 if (cipher & WPA_CIPHER_NONE) {
00641 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : "+");
00642 if (ret < 0 || ret >= end - pos)
00643 return pos;
00644 pos += ret;
00645 first = 0;
00646 }
00647 if (cipher & WPA_CIPHER_WEP40) {
00648 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : "+");
00649 if (ret < 0 || ret >= end - pos)
00650 return pos;
00651 pos += ret;
00652 first = 0;
00653 }
00654 if (cipher & WPA_CIPHER_WEP104) {
00655 ret = os_snprintf(pos, end - pos, "%sWEP104",
00656 first ? "" : "+");
00657 if (ret < 0 || ret >= end - pos)
00658 return pos;
00659 pos += ret;
00660 first = 0;
00661 }
00662 if (cipher & WPA_CIPHER_TKIP) {
00663 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : "+");
00664 if (ret < 0 || ret >= end - pos)
00665 return pos;
00666 pos += ret;
00667 first = 0;
00668 }
00669 if (cipher & WPA_CIPHER_CCMP) {
00670 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : "+");
00671 if (ret < 0 || ret >= end - pos)
00672 return pos;
00673 pos += ret;
00674 first = 0;
00675 }
00676 return pos;
00677 }
00678
00679
00680 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
00681 const u8 *ie, size_t ie_len)
00682 {
00683 struct wpa_ie_data data;
00684 int first, ret;
00685
00686 ret = os_snprintf(pos, end - pos, "[%s-", proto);
00687 if (ret < 0 || ret >= end - pos)
00688 return pos;
00689 pos += ret;
00690
00691 if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
00692 ret = os_snprintf(pos, end - pos, "?]");
00693 if (ret < 0 || ret >= end - pos)
00694 return pos;
00695 pos += ret;
00696 return pos;
00697 }
00698
00699 first = 1;
00700 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
00701 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
00702 if (ret < 0 || ret >= end - pos)
00703 return pos;
00704 pos += ret;
00705 first = 0;
00706 }
00707 if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
00708 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
00709 if (ret < 0 || ret >= end - pos)
00710 return pos;
00711 pos += ret;
00712 first = 0;
00713 }
00714 if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
00715 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
00716 if (ret < 0 || ret >= end - pos)
00717 return pos;
00718 pos += ret;
00719 first = 0;
00720 }
00721 #ifdef CONFIG_IEEE80211R
00722 if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
00723 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
00724 first ? "" : "+");
00725 if (ret < 0 || ret >= end - pos)
00726 return pos;
00727 pos += ret;
00728 first = 0;
00729 }
00730 if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
00731 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
00732 first ? "" : "+");
00733 if (ret < 0 || ret >= end - pos)
00734 return pos;
00735 pos += ret;
00736 first = 0;
00737 }
00738 #endif
00739 #ifdef CONFIG_IEEE80211W
00740 if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
00741 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
00742 first ? "" : "+");
00743 if (ret < 0 || ret >= end - pos)
00744 return pos;
00745 pos += ret;
00746 first = 0;
00747 }
00748 if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
00749 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
00750 first ? "" : "+");
00751 if (ret < 0 || ret >= end - pos)
00752 return pos;
00753 pos += ret;
00754 first = 0;
00755 }
00756 #endif
00757
00758 pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
00759
00760 if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
00761 ret = os_snprintf(pos, end - pos, "-preauth");
00762 if (ret < 0 || ret >= end - pos)
00763 return pos;
00764 pos += ret;
00765 }
00766
00767 ret = os_snprintf(pos, end - pos, "]");
00768 if (ret < 0 || ret >= end - pos)
00769 return pos;
00770 pos += ret;
00771
00772 return pos;
00773 }
00774
00775
00776 #ifdef CONFIG_WPS
00777 static char * wpa_supplicant_wps_ie_txt_buf(char *pos, char *end,
00778 struct wpabuf *wps_ie)
00779 {
00780 int ret;
00781 const char *txt;
00782
00783 if (wps_ie == NULL)
00784 return pos;
00785 if (wps_is_selected_pbc_registrar(wps_ie))
00786 txt = "[WPS-PBC]";
00787 else if (wps_is_selected_pin_registrar(wps_ie))
00788 txt = "[WPS-PIN]";
00789 else
00790 txt = "[WPS]";
00791
00792 ret = os_snprintf(pos, end - pos, "%s", txt);
00793 if (ret >= 0 && ret < end - pos)
00794 pos += ret;
00795 wpabuf_free(wps_ie);
00796 return pos;
00797 }
00798 #endif
00799
00800
00801 static char * wpa_supplicant_wps_ie_txt(char *pos, char *end,
00802 const struct wpa_bss *bss)
00803 {
00804 #ifdef CONFIG_WPS
00805 struct wpabuf *wps_ie;
00806 wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
00807 return wpa_supplicant_wps_ie_txt_buf(pos, end, wps_ie);
00808 #else
00809 return pos;
00810 #endif
00811 }
00812
00813
00814
00815 static int wpa_supplicant_ctrl_iface_scan_result(
00816 const struct wpa_bss *bss, char *buf, size_t buflen)
00817 {
00818 char *pos, *end;
00819 int ret;
00820 const u8 *ie, *ie2;
00821
00822 pos = buf;
00823 end = buf + buflen;
00824
00825 ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
00826 MAC2STR(bss->bssid), bss->freq, bss->level);
00827 if (ret < 0 || ret >= end - pos)
00828 return pos - buf;
00829 pos += ret;
00830 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
00831 if (ie)
00832 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
00833 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
00834 if (ie2)
00835 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
00836 pos = wpa_supplicant_wps_ie_txt(pos, end, bss);
00837 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
00838 ret = os_snprintf(pos, end - pos, "[WEP]");
00839 if (ret < 0 || ret >= end - pos)
00840 return pos - buf;
00841 pos += ret;
00842 }
00843 if (bss->caps & IEEE80211_CAP_IBSS) {
00844 ret = os_snprintf(pos, end - pos, "[IBSS]");
00845 if (ret < 0 || ret >= end - pos)
00846 return pos - buf;
00847 pos += ret;
00848 }
00849 if (bss->caps & IEEE80211_CAP_ESS) {
00850 ret = os_snprintf(pos, end - pos, "[ESS]");
00851 if (ret < 0 || ret >= end - pos)
00852 return pos - buf;
00853 pos += ret;
00854 }
00855
00856 ret = os_snprintf(pos, end - pos, "\t%s",
00857 wpa_ssid_txt(bss->ssid, bss->ssid_len));
00858 if (ret < 0 || ret >= end - pos)
00859 return pos - buf;
00860 pos += ret;
00861
00862 ret = os_snprintf(pos, end - pos, "\n");
00863 if (ret < 0 || ret >= end - pos)
00864 return pos - buf;
00865 pos += ret;
00866
00867 return pos - buf;
00868 }
00869
00870
00871 static int wpa_supplicant_ctrl_iface_scan_results(
00872 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
00873 {
00874 char *pos, *end;
00875 struct wpa_bss *bss;
00876 int ret;
00877
00878 pos = buf;
00879 end = buf + buflen;
00880 ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
00881 "flags / ssid\n");
00882 if (ret < 0 || ret >= end - pos)
00883 return pos - buf;
00884 pos += ret;
00885
00886 dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
00887 ret = wpa_supplicant_ctrl_iface_scan_result(bss, pos,
00888 end - pos);
00889 if (ret < 0 || ret >= end - pos)
00890 return pos - buf;
00891 pos += ret;
00892 }
00893
00894 return pos - buf;
00895 }
00896
00897
00898 static int wpa_supplicant_ctrl_iface_select_network(
00899 struct wpa_supplicant *wpa_s, char *cmd)
00900 {
00901 int id;
00902 struct wpa_ssid *ssid;
00903
00904
00905 if (os_strcmp(cmd, "any") == 0) {
00906 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
00907 ssid = NULL;
00908 } else {
00909 id = atoi(cmd);
00910 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
00911
00912 ssid = wpa_config_get_network(wpa_s->conf, id);
00913 if (ssid == NULL) {
00914 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
00915 "network id=%d", id);
00916 return -1;
00917 }
00918 }
00919
00920 wpa_supplicant_select_network(wpa_s, ssid);
00921
00922 return 0;
00923 }
00924
00925
00926 static int wpa_supplicant_ctrl_iface_enable_network(
00927 struct wpa_supplicant *wpa_s, char *cmd)
00928 {
00929 int id;
00930 struct wpa_ssid *ssid;
00931
00932
00933 if (os_strcmp(cmd, "all") == 0) {
00934 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
00935 ssid = NULL;
00936 } else {
00937 id = atoi(cmd);
00938 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
00939
00940 ssid = wpa_config_get_network(wpa_s->conf, id);
00941 if (ssid == NULL) {
00942 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
00943 "network id=%d", id);
00944 return -1;
00945 }
00946 }
00947 wpa_supplicant_enable_network(wpa_s, ssid);
00948
00949 return 0;
00950 }
00951
00952
00953 static int wpa_supplicant_ctrl_iface_disable_network(
00954 struct wpa_supplicant *wpa_s, char *cmd)
00955 {
00956 int id;
00957 struct wpa_ssid *ssid;
00958
00959
00960 if (os_strcmp(cmd, "all") == 0) {
00961 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
00962 ssid = NULL;
00963 } else {
00964 id = atoi(cmd);
00965 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
00966
00967 ssid = wpa_config_get_network(wpa_s->conf, id);
00968 if (ssid == NULL) {
00969 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
00970 "network id=%d", id);
00971 return -1;
00972 }
00973 }
00974 wpa_supplicant_disable_network(wpa_s, ssid);
00975
00976 return 0;
00977 }
00978
00979
00980 static int wpa_supplicant_ctrl_iface_add_network(
00981 struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
00982 {
00983 struct wpa_ssid *ssid;
00984 int ret;
00985
00986 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
00987
00988 ssid = wpa_config_add_network(wpa_s->conf);
00989 if (ssid == NULL)
00990 return -1;
00991
00992 wpas_notify_network_added(wpa_s, ssid);
00993
00994 ssid->disabled = 1;
00995 wpa_config_set_network_defaults(ssid);
00996
00997 ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
00998 if (ret < 0 || (size_t) ret >= buflen)
00999 return -1;
01000 return ret;
01001 }
01002
01003
01004 static int wpa_supplicant_ctrl_iface_remove_network(
01005 struct wpa_supplicant *wpa_s, char *cmd)
01006 {
01007 int id;
01008 struct wpa_ssid *ssid;
01009
01010
01011 if (os_strcmp(cmd, "all") == 0) {
01012 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
01013 ssid = wpa_s->conf->ssid;
01014 while (ssid) {
01015 struct wpa_ssid *remove_ssid = ssid;
01016 id = ssid->id;
01017 ssid = ssid->next;
01018 wpas_notify_network_removed(wpa_s, remove_ssid);
01019 wpa_config_remove_network(wpa_s->conf, id);
01020 }
01021 if (wpa_s->current_ssid) {
01022 eapol_sm_invalidate_cached_session(wpa_s->eapol);
01023 wpa_supplicant_disassociate(wpa_s,
01024 WLAN_REASON_DEAUTH_LEAVING);
01025 }
01026 return 0;
01027 }
01028
01029 id = atoi(cmd);
01030 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
01031
01032 ssid = wpa_config_get_network(wpa_s->conf, id);
01033 if (ssid == NULL ||
01034 wpa_config_remove_network(wpa_s->conf, id) < 0) {
01035 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
01036 "id=%d", id);
01037 return -1;
01038 }
01039
01040 if (ssid == wpa_s->current_ssid) {
01041
01042
01043
01044
01045 eapol_sm_invalidate_cached_session(wpa_s->eapol);
01046
01047 wpa_supplicant_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
01048 }
01049
01050 return 0;
01051 }
01052
01053
01054 static int wpa_supplicant_ctrl_iface_set_network(
01055 struct wpa_supplicant *wpa_s, char *cmd)
01056 {
01057 int id;
01058 struct wpa_ssid *ssid;
01059 char *name, *value;
01060
01061
01062 name = os_strchr(cmd, ' ');
01063 if (name == NULL)
01064 return -1;
01065 *name++ = '\0';
01066
01067 value = os_strchr(name, ' ');
01068 if (value == NULL)
01069 return -1;
01070 *value++ = '\0';
01071
01072 id = atoi(cmd);
01073 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
01074 id, name);
01075 wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
01076 (u8 *) value, os_strlen(value));
01077
01078 ssid = wpa_config_get_network(wpa_s->conf, id);
01079 if (ssid == NULL) {
01080 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
01081 "id=%d", id);
01082 return -1;
01083 }
01084
01085 if (wpa_config_set(ssid, name, value, 0) < 0) {
01086 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
01087 "variable '%s'", name);
01088 return -1;
01089 }
01090
01091 if (wpa_s->current_ssid == ssid) {
01092
01093
01094
01095
01096 eapol_sm_invalidate_cached_session(wpa_s->eapol);
01097 }
01098
01099 if ((os_strcmp(name, "psk") == 0 &&
01100 value[0] == '"' && ssid->ssid_len) ||
01101 (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
01102 wpa_config_update_psk(ssid);
01103 else if (os_strcmp(name, "priority") == 0)
01104 wpa_config_update_prio_list(wpa_s->conf);
01105
01106 return 0;
01107 }
01108
01109
01110 static int wpa_supplicant_ctrl_iface_get_network(
01111 struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
01112 {
01113 int id;
01114 size_t res;
01115 struct wpa_ssid *ssid;
01116 char *name, *value;
01117
01118
01119 name = os_strchr(cmd, ' ');
01120 if (name == NULL || buflen == 0)
01121 return -1;
01122 *name++ = '\0';
01123
01124 id = atoi(cmd);
01125 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
01126 id, name);
01127
01128 ssid = wpa_config_get_network(wpa_s->conf, id);
01129 if (ssid == NULL) {
01130 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
01131 "id=%d", id);
01132 return -1;
01133 }
01134
01135 value = wpa_config_get_no_key(ssid, name);
01136 if (value == NULL) {
01137 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
01138 "variable '%s'", name);
01139 return -1;
01140 }
01141
01142 res = os_strlcpy(buf, value, buflen);
01143 if (res >= buflen) {
01144 os_free(value);
01145 return -1;
01146 }
01147
01148 os_free(value);
01149
01150 return res;
01151 }
01152
01153
01154 #ifndef CONFIG_NO_CONFIG_WRITE
01155 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
01156 {
01157 int ret;
01158
01159 if (!wpa_s->conf->update_config) {
01160 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
01161 "to update configuration (update_config=0)");
01162 return -1;
01163 }
01164
01165 ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
01166 if (ret) {
01167 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
01168 "update configuration");
01169 } else {
01170 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
01171 " updated");
01172 }
01173
01174 return ret;
01175 }
01176 #endif
01177
01178
01179 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
01180 struct wpa_driver_capa *capa,
01181 char *buf, size_t buflen)
01182 {
01183 int ret, first = 1;
01184 char *pos, *end;
01185 size_t len;
01186
01187 pos = buf;
01188 end = pos + buflen;
01189
01190 if (res < 0) {
01191 if (strict)
01192 return 0;
01193 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
01194 if (len >= buflen)
01195 return -1;
01196 return len;
01197 }
01198
01199 if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
01200 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
01201 if (ret < 0 || ret >= end - pos)
01202 return pos - buf;
01203 pos += ret;
01204 first = 0;
01205 }
01206
01207 if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
01208 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
01209 if (ret < 0 || ret >= end - pos)
01210 return pos - buf;
01211 pos += ret;
01212 first = 0;
01213 }
01214
01215 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
01216 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
01217 if (ret < 0 || ret >= end - pos)
01218 return pos - buf;
01219 pos += ret;
01220 first = 0;
01221 }
01222
01223 return pos - buf;
01224 }
01225
01226
01227 static int ctrl_iface_get_capability_group(int res, char *strict,
01228 struct wpa_driver_capa *capa,
01229 char *buf, size_t buflen)
01230 {
01231 int ret, first = 1;
01232 char *pos, *end;
01233 size_t len;
01234
01235 pos = buf;
01236 end = pos + buflen;
01237
01238 if (res < 0) {
01239 if (strict)
01240 return 0;
01241 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
01242 if (len >= buflen)
01243 return -1;
01244 return len;
01245 }
01246
01247 if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
01248 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
01249 if (ret < 0 || ret >= end - pos)
01250 return pos - buf;
01251 pos += ret;
01252 first = 0;
01253 }
01254
01255 if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
01256 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
01257 if (ret < 0 || ret >= end - pos)
01258 return pos - buf;
01259 pos += ret;
01260 first = 0;
01261 }
01262
01263 if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
01264 ret = os_snprintf(pos, end - pos, "%sWEP104",
01265 first ? "" : " ");
01266 if (ret < 0 || ret >= end - pos)
01267 return pos - buf;
01268 pos += ret;
01269 first = 0;
01270 }
01271
01272 if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
01273 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
01274 if (ret < 0 || ret >= end - pos)
01275 return pos - buf;
01276 pos += ret;
01277 first = 0;
01278 }
01279
01280 return pos - buf;
01281 }
01282
01283
01284 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
01285 struct wpa_driver_capa *capa,
01286 char *buf, size_t buflen)
01287 {
01288 int ret;
01289 char *pos, *end;
01290 size_t len;
01291
01292 pos = buf;
01293 end = pos + buflen;
01294
01295 if (res < 0) {
01296 if (strict)
01297 return 0;
01298 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
01299 "NONE", buflen);
01300 if (len >= buflen)
01301 return -1;
01302 return len;
01303 }
01304
01305 ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
01306 if (ret < 0 || ret >= end - pos)
01307 return pos - buf;
01308 pos += ret;
01309
01310 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
01311 WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
01312 ret = os_snprintf(pos, end - pos, " WPA-EAP");
01313 if (ret < 0 || ret >= end - pos)
01314 return pos - buf;
01315 pos += ret;
01316 }
01317
01318 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
01319 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
01320 ret = os_snprintf(pos, end - pos, " WPA-PSK");
01321 if (ret < 0 || ret >= end - pos)
01322 return pos - buf;
01323 pos += ret;
01324 }
01325
01326 if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
01327 ret = os_snprintf(pos, end - pos, " WPA-NONE");
01328 if (ret < 0 || ret >= end - pos)
01329 return pos - buf;
01330 pos += ret;
01331 }
01332
01333 return pos - buf;
01334 }
01335
01336
01337 static int ctrl_iface_get_capability_proto(int res, char *strict,
01338 struct wpa_driver_capa *capa,
01339 char *buf, size_t buflen)
01340 {
01341 int ret, first = 1;
01342 char *pos, *end;
01343 size_t len;
01344
01345 pos = buf;
01346 end = pos + buflen;
01347
01348 if (res < 0) {
01349 if (strict)
01350 return 0;
01351 len = os_strlcpy(buf, "RSN WPA", buflen);
01352 if (len >= buflen)
01353 return -1;
01354 return len;
01355 }
01356
01357 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
01358 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
01359 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
01360 if (ret < 0 || ret >= end - pos)
01361 return pos - buf;
01362 pos += ret;
01363 first = 0;
01364 }
01365
01366 if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
01367 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
01368 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
01369 if (ret < 0 || ret >= end - pos)
01370 return pos - buf;
01371 pos += ret;
01372 first = 0;
01373 }
01374
01375 return pos - buf;
01376 }
01377
01378
01379 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
01380 struct wpa_driver_capa *capa,
01381 char *buf, size_t buflen)
01382 {
01383 int ret, first = 1;
01384 char *pos, *end;
01385 size_t len;
01386
01387 pos = buf;
01388 end = pos + buflen;
01389
01390 if (res < 0) {
01391 if (strict)
01392 return 0;
01393 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
01394 if (len >= buflen)
01395 return -1;
01396 return len;
01397 }
01398
01399 if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
01400 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
01401 if (ret < 0 || ret >= end - pos)
01402 return pos - buf;
01403 pos += ret;
01404 first = 0;
01405 }
01406
01407 if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
01408 ret = os_snprintf(pos, end - pos, "%sSHARED",
01409 first ? "" : " ");
01410 if (ret < 0 || ret >= end - pos)
01411 return pos - buf;
01412 pos += ret;
01413 first = 0;
01414 }
01415
01416 if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
01417 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
01418 if (ret < 0 || ret >= end - pos)
01419 return pos - buf;
01420 pos += ret;
01421 first = 0;
01422 }
01423
01424 return pos - buf;
01425 }
01426
01427
01428 static int wpa_supplicant_ctrl_iface_get_capability(
01429 struct wpa_supplicant *wpa_s, const char *_field, char *buf,
01430 size_t buflen)
01431 {
01432 struct wpa_driver_capa capa;
01433 int res;
01434 char *strict;
01435 char field[30];
01436 size_t len;
01437
01438
01439 len = os_strlcpy(field, _field, sizeof(field));
01440 if (len >= sizeof(field))
01441 return -1;
01442 strict = os_strchr(field, ' ');
01443 if (strict != NULL) {
01444 *strict++ = '\0';
01445 if (os_strcmp(strict, "strict") != 0)
01446 return -1;
01447 }
01448
01449 wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
01450 field, strict ? strict : "");
01451
01452 if (os_strcmp(field, "eap") == 0) {
01453 return eap_get_names(buf, buflen);
01454 }
01455
01456 res = wpa_drv_get_capa(wpa_s, &capa);
01457
01458 if (os_strcmp(field, "pairwise") == 0)
01459 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
01460 buf, buflen);
01461
01462 if (os_strcmp(field, "group") == 0)
01463 return ctrl_iface_get_capability_group(res, strict, &capa,
01464 buf, buflen);
01465
01466 if (os_strcmp(field, "key_mgmt") == 0)
01467 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
01468 buf, buflen);
01469
01470 if (os_strcmp(field, "proto") == 0)
01471 return ctrl_iface_get_capability_proto(res, strict, &capa,
01472 buf, buflen);
01473
01474 if (os_strcmp(field, "auth_alg") == 0)
01475 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
01476 buf, buflen);
01477
01478 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
01479 field);
01480
01481 return -1;
01482 }
01483
01484
01485 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
01486 const char *cmd, char *buf,
01487 size_t buflen)
01488 {
01489 u8 bssid[ETH_ALEN];
01490 size_t i;
01491 struct wpa_bss *bss;
01492 int ret;
01493 char *pos, *end;
01494 const u8 *ie, *ie2;
01495
01496 if (os_strcmp(cmd, "FIRST") == 0)
01497 bss = dl_list_first(&wpa_s->bss, struct wpa_bss, list);
01498 else if (os_strncmp(cmd, "ID-", 3) == 0) {
01499 i = atoi(cmd + 3);
01500 bss = wpa_bss_get_id(wpa_s, i);
01501 } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
01502 i = atoi(cmd + 5);
01503 bss = wpa_bss_get_id(wpa_s, i);
01504 if (bss) {
01505 struct dl_list *next = bss->list_id.next;
01506 if (next == &wpa_s->bss_id)
01507 bss = NULL;
01508 else
01509 bss = dl_list_entry(next, struct wpa_bss,
01510 list_id);
01511 }
01512 } else if (hwaddr_aton(cmd, bssid) == 0)
01513 bss = wpa_bss_get_bssid(wpa_s, bssid);
01514 else {
01515 struct wpa_bss *tmp;
01516 i = atoi(cmd);
01517 bss = NULL;
01518 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
01519 {
01520 if (i-- == 0) {
01521 bss = tmp;
01522 break;
01523 }
01524 }
01525 }
01526
01527 if (bss == NULL)
01528 return 0;
01529
01530 pos = buf;
01531 end = buf + buflen;
01532 ret = os_snprintf(pos, end - pos,
01533 "id=%u\n"
01534 "bssid=" MACSTR "\n"
01535 "freq=%d\n"
01536 "beacon_int=%d\n"
01537 "capabilities=0x%04x\n"
01538 "qual=%d\n"
01539 "noise=%d\n"
01540 "level=%d\n"
01541 "tsf=%016llu\n"
01542 "ie=",
01543 bss->id,
01544 MAC2STR(bss->bssid), bss->freq, bss->beacon_int,
01545 bss->caps, bss->qual, bss->noise, bss->level,
01546 (unsigned long long) bss->tsf);
01547 if (ret < 0 || ret >= end - pos)
01548 return pos - buf;
01549 pos += ret;
01550
01551 ie = (const u8 *) (bss + 1);
01552 for (i = 0; i < bss->ie_len; i++) {
01553 ret = os_snprintf(pos, end - pos, "%02x", *ie++);
01554 if (ret < 0 || ret >= end - pos)
01555 return pos - buf;
01556 pos += ret;
01557 }
01558
01559 ret = os_snprintf(pos, end - pos, "\n");
01560 if (ret < 0 || ret >= end - pos)
01561 return pos - buf;
01562 pos += ret;
01563
01564 ret = os_snprintf(pos, end - pos, "flags=");
01565 if (ret < 0 || ret >= end - pos)
01566 return pos - buf;
01567 pos += ret;
01568
01569 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
01570 if (ie)
01571 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
01572 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
01573 if (ie2)
01574 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
01575 pos = wpa_supplicant_wps_ie_txt(pos, end, bss);
01576 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
01577 ret = os_snprintf(pos, end - pos, "[WEP]");
01578 if (ret < 0 || ret >= end - pos)
01579 return pos - buf;
01580 pos += ret;
01581 }
01582 if (bss->caps & IEEE80211_CAP_IBSS) {
01583 ret = os_snprintf(pos, end - pos, "[IBSS]");
01584 if (ret < 0 || ret >= end - pos)
01585 return pos - buf;
01586 pos += ret;
01587 }
01588 if (bss->caps & IEEE80211_CAP_ESS) {
01589 ret = os_snprintf(pos, end - pos, "[ESS]");
01590 if (ret < 0 || ret >= end - pos)
01591 return pos - buf;
01592 pos += ret;
01593 }
01594
01595 ret = os_snprintf(pos, end - pos, "\n");
01596 if (ret < 0 || ret >= end - pos)
01597 return pos - buf;
01598 pos += ret;
01599
01600 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
01601 wpa_ssid_txt(bss->ssid, bss->ssid_len));
01602 if (ret < 0 || ret >= end - pos)
01603 return pos - buf;
01604 pos += ret;
01605
01606 #ifdef CONFIG_WPS
01607 ie = (const u8 *) (bss + 1);
01608 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
01609 if (ret < 0 || ret >= end - pos)
01610 return pos - buf;
01611 pos += ret;
01612 #endif
01613
01614 return pos - buf;
01615 }
01616
01617
01618 static int wpa_supplicant_ctrl_iface_ap_scan(
01619 struct wpa_supplicant *wpa_s, char *cmd)
01620 {
01621 int ap_scan = atoi(cmd);
01622 return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
01623 }
01624
01625
01626 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
01627 {
01628 u8 *bcast = (u8 *) "\xff\xff\xff\xff\xff\xff";
01629
01630 wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
01631
01632 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, bcast, 0, 0, NULL, 0, NULL, 0);
01633 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, bcast, 1, 0, NULL, 0, NULL, 0);
01634 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, bcast, 2, 0, NULL, 0, NULL, 0);
01635 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, bcast, 3, 0, NULL, 0, NULL, 0);
01636 #ifdef CONFIG_IEEE80211W
01637 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, bcast, 4, 0, NULL, 0, NULL, 0);
01638 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, bcast, 5, 0, NULL, 0, NULL, 0);
01639 #endif
01640
01641 wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
01642 0);
01643
01644 wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
01645 MLME_SETPROTECTION_PROTECT_TYPE_NONE,
01646 MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
01647 wpa_sm_drop_sa(wpa_s->wpa);
01648 }
01649
01650
01651 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
01652 char *addr)
01653 {
01654 u8 bssid[ETH_ALEN];
01655 struct wpa_bss *bss;
01656 struct wpa_ssid *ssid = wpa_s->current_ssid;
01657
01658 if (hwaddr_aton(addr, bssid)) {
01659 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
01660 "address '%s'", addr);
01661 return -1;
01662 }
01663
01664 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
01665
01666 bss = wpa_bss_get_bssid(wpa_s, bssid);
01667 if (!bss) {
01668 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
01669 "from BSS table");
01670 return -1;
01671 }
01672
01673
01674
01675
01676
01677
01678 if (!ssid) {
01679 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
01680 "configuration known for the target AP");
01681 return -1;
01682 }
01683
01684 wpa_s->reassociate = 1;
01685 wpa_supplicant_connect(wpa_s, bss, ssid);
01686
01687 return 0;
01688 }
01689
01690
01691 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
01692 char *buf, size_t *resp_len)
01693 {
01694 char *reply;
01695 const int reply_size = 2048;
01696 int ctrl_rsp = 0;
01697 int reply_len;
01698
01699 if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
01700 os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
01701 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
01702 (const u8 *) buf, os_strlen(buf));
01703 } else {
01704 wpa_hexdump_ascii(MSG_DEBUG, "RX ctrl_iface",
01705 (const u8 *) buf, os_strlen(buf));
01706 }
01707
01708 reply = os_malloc(reply_size);
01709 if (reply == NULL) {
01710 *resp_len = 1;
01711 return NULL;
01712 }
01713
01714 os_memcpy(reply, "OK\n", 3);
01715 reply_len = 3;
01716
01717 if (os_strcmp(buf, "PING") == 0) {
01718 os_memcpy(reply, "PONG\n", 5);
01719 reply_len = 5;
01720 } else if (os_strcmp(buf, "MIB") == 0) {
01721 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
01722 if (reply_len >= 0) {
01723 int res;
01724 res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
01725 reply_size - reply_len);
01726 if (res < 0)
01727 reply_len = -1;
01728 else
01729 reply_len += res;
01730 }
01731 } else if (os_strncmp(buf, "STATUS", 6) == 0) {
01732 reply_len = wpa_supplicant_ctrl_iface_status(
01733 wpa_s, buf + 6, reply, reply_size);
01734 } else if (os_strcmp(buf, "PMKSA") == 0) {
01735 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
01736 reply_size);
01737 } else if (os_strncmp(buf, "SET ", 4) == 0) {
01738 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
01739 reply_len = -1;
01740 } else if (os_strcmp(buf, "LOGON") == 0) {
01741 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
01742 } else if (os_strcmp(buf, "LOGOFF") == 0) {
01743 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
01744 } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
01745 wpa_s->disconnected = 0;
01746 wpa_s->reassociate = 1;
01747 wpa_supplicant_req_scan(wpa_s, 0, 0);
01748 } else if (os_strcmp(buf, "RECONNECT") == 0) {
01749 if (wpa_s->disconnected) {
01750 wpa_s->disconnected = 0;
01751 wpa_s->reassociate = 1;
01752 wpa_supplicant_req_scan(wpa_s, 0, 0);
01753 }
01754 #ifdef IEEE8021X_EAPOL
01755 } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
01756 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
01757 reply_len = -1;
01758 #endif
01759 #ifdef CONFIG_PEERKEY
01760 } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
01761 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
01762 reply_len = -1;
01763 #endif
01764 #ifdef CONFIG_IEEE80211R
01765 } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
01766 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
01767 reply_len = -1;
01768 #endif
01769 #ifdef CONFIG_WPS
01770 } else if (os_strcmp(buf, "WPS_PBC") == 0) {
01771 if (wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL))
01772 reply_len = -1;
01773 } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
01774 if (wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8))
01775 reply_len = -1;
01776 } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
01777 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
01778 reply,
01779 reply_size);
01780 #ifdef CONFIG_WPS_OOB
01781 } else if (os_strncmp(buf, "WPS_OOB ", 8) == 0) {
01782 if (wpa_supplicant_ctrl_iface_wps_oob(wpa_s, buf + 8))
01783 reply_len = -1;
01784 #endif
01785 } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
01786 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
01787 reply_len = -1;
01788 #ifdef CONFIG_WPS_ER
01789 } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
01790 if (wpas_wps_er_start(wpa_s))
01791 reply_len = -1;
01792 } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
01793 if (wpas_wps_er_stop(wpa_s))
01794 reply_len = -1;
01795 } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
01796 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
01797 reply_len = -1;
01798 } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
01799 if (wpas_wps_er_pbc(wpa_s, buf + 11))
01800 reply_len = -1;
01801 } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
01802 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
01803 reply_len = -1;
01804 #endif
01805 #endif
01806 #ifdef CONFIG_IBSS_RSN
01807 } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
01808 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
01809 reply_len = -1;
01810 #endif
01811 } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
01812 {
01813 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
01814 wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
01815 reply_len = -1;
01816 else
01817 ctrl_rsp = 1;
01818 } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
01819 if (wpa_supplicant_reload_configuration(wpa_s))
01820 reply_len = -1;
01821 } else if (os_strcmp(buf, "TERMINATE") == 0) {
01822 wpa_supplicant_terminate_proc(wpa_s->global);
01823 } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
01824 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
01825 reply_len = -1;
01826 } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
01827 reply_len = wpa_supplicant_ctrl_iface_list_networks(
01828 wpa_s, reply, reply_size);
01829 } else if (os_strcmp(buf, "DISCONNECT") == 0) {
01830 wpa_s->reassociate = 0;
01831 wpa_s->disconnected = 1;
01832 wpa_supplicant_deauthenticate(wpa_s,
01833 WLAN_REASON_DEAUTH_LEAVING);
01834 } else if (os_strcmp(buf, "SCAN") == 0) {
01835 wpa_s->scan_req = 2;
01836 wpa_supplicant_req_scan(wpa_s, 0, 0);
01837 } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
01838 reply_len = wpa_supplicant_ctrl_iface_scan_results(
01839 wpa_s, reply, reply_size);
01840 } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
01841 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
01842 reply_len = -1;
01843 } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
01844 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
01845 reply_len = -1;
01846 } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
01847 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
01848 reply_len = -1;
01849 } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
01850 reply_len = wpa_supplicant_ctrl_iface_add_network(
01851 wpa_s, reply, reply_size);
01852 } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
01853 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
01854 reply_len = -1;
01855 } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
01856 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
01857 reply_len = -1;
01858 } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
01859 reply_len = wpa_supplicant_ctrl_iface_get_network(
01860 wpa_s, buf + 12, reply, reply_size);
01861 #ifndef CONFIG_NO_CONFIG_WRITE
01862 } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
01863 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
01864 reply_len = -1;
01865 #endif
01866 } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
01867 reply_len = wpa_supplicant_ctrl_iface_get_capability(
01868 wpa_s, buf + 15, reply, reply_size);
01869 } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
01870 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
01871 reply_len = -1;
01872 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
01873 reply_len = wpa_supplicant_global_iface_list(
01874 wpa_s->global, reply, reply_size);
01875 } else if (os_strcmp(buf, "INTERFACES") == 0) {
01876 reply_len = wpa_supplicant_global_iface_interfaces(
01877 wpa_s->global, reply, reply_size);
01878 } else if (os_strncmp(buf, "BSS ", 4) == 0) {
01879 reply_len = wpa_supplicant_ctrl_iface_bss(
01880 wpa_s, buf + 4, reply, reply_size);
01881 #ifdef CONFIG_AP
01882 } else if (os_strcmp(buf, "STA-FIRST") == 0) {
01883 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
01884 } else if (os_strncmp(buf, "STA ", 4) == 0) {
01885 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
01886 reply_size);
01887 } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
01888 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
01889 reply_size);
01890 #endif
01891 } else if (os_strcmp(buf, "SUSPEND") == 0) {
01892 wpas_notify_suspend(wpa_s->global);
01893 } else if (os_strcmp(buf, "RESUME") == 0) {
01894 wpas_notify_resume(wpa_s->global);
01895 } else if (os_strcmp(buf, "DROP_SA") == 0) {
01896 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
01897 } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
01898 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
01899 reply_len = -1;
01900 } else {
01901 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
01902 reply_len = 16;
01903 }
01904
01905 if (reply_len < 0) {
01906 os_memcpy(reply, "FAIL\n", 5);
01907 reply_len = 5;
01908 }
01909
01910 if (ctrl_rsp)
01911 eapol_sm_notify_ctrl_response(wpa_s->eapol);
01912
01913 *resp_len = reply_len;
01914 return reply;
01915 }
01916
01917
01918 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
01919 char *cmd)
01920 {
01921 struct wpa_interface iface;
01922 char *pos;
01923
01924
01925
01926
01927
01928 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
01929
01930 os_memset(&iface, 0, sizeof(iface));
01931
01932 do {
01933 iface.ifname = pos = cmd;
01934 pos = os_strchr(pos, '\t');
01935 if (pos)
01936 *pos++ = '\0';
01937 if (iface.ifname[0] == '\0')
01938 return -1;
01939 if (pos == NULL)
01940 break;
01941
01942 iface.confname = pos;
01943 pos = os_strchr(pos, '\t');
01944 if (pos)
01945 *pos++ = '\0';
01946 if (iface.confname[0] == '\0')
01947 iface.confname = NULL;
01948 if (pos == NULL)
01949 break;
01950
01951 iface.driver = pos;
01952 pos = os_strchr(pos, '\t');
01953 if (pos)
01954 *pos++ = '\0';
01955 if (iface.driver[0] == '\0')
01956 iface.driver = NULL;
01957 if (pos == NULL)
01958 break;
01959
01960 iface.ctrl_interface = pos;
01961 pos = os_strchr(pos, '\t');
01962 if (pos)
01963 *pos++ = '\0';
01964 if (iface.ctrl_interface[0] == '\0')
01965 iface.ctrl_interface = NULL;
01966 if (pos == NULL)
01967 break;
01968
01969 iface.driver_param = pos;
01970 pos = os_strchr(pos, '\t');
01971 if (pos)
01972 *pos++ = '\0';
01973 if (iface.driver_param[0] == '\0')
01974 iface.driver_param = NULL;
01975 if (pos == NULL)
01976 break;
01977
01978 iface.bridge_ifname = pos;
01979 pos = os_strchr(pos, '\t');
01980 if (pos)
01981 *pos++ = '\0';
01982 if (iface.bridge_ifname[0] == '\0')
01983 iface.bridge_ifname = NULL;
01984 if (pos == NULL)
01985 break;
01986 } while (0);
01987
01988 if (wpa_supplicant_get_iface(global, iface.ifname))
01989 return -1;
01990
01991 return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
01992 }
01993
01994
01995 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
01996 char *cmd)
01997 {
01998 struct wpa_supplicant *wpa_s;
01999
02000 wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
02001
02002 wpa_s = wpa_supplicant_get_iface(global, cmd);
02003 if (wpa_s == NULL)
02004 return -1;
02005 return wpa_supplicant_remove_iface(global, wpa_s);
02006 }
02007
02008
02009 static void wpa_free_iface_info(struct wpa_interface_info *iface)
02010 {
02011 struct wpa_interface_info *prev;
02012
02013 while (iface) {
02014 prev = iface;
02015 iface = iface->next;
02016
02017 os_free(prev->ifname);
02018 os_free(prev->desc);
02019 os_free(prev);
02020 }
02021 }
02022
02023
02024 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
02025 char *buf, int len)
02026 {
02027 int i, res;
02028 struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
02029 char *pos, *end;
02030
02031 for (i = 0; wpa_drivers[i]; i++) {
02032 struct wpa_driver_ops *drv = wpa_drivers[i];
02033 if (drv->get_interfaces == NULL)
02034 continue;
02035 tmp = drv->get_interfaces(global->drv_priv[i]);
02036 if (tmp == NULL)
02037 continue;
02038
02039 if (last == NULL)
02040 iface = last = tmp;
02041 else
02042 last->next = tmp;
02043 while (last->next)
02044 last = last->next;
02045 }
02046
02047 pos = buf;
02048 end = buf + len;
02049 for (tmp = iface; tmp; tmp = tmp->next) {
02050 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
02051 tmp->drv_name, tmp->ifname,
02052 tmp->desc ? tmp->desc : "");
02053 if (res < 0 || res >= end - pos) {
02054 *pos = '\0';
02055 break;
02056 }
02057 pos += res;
02058 }
02059
02060 wpa_free_iface_info(iface);
02061
02062 return pos - buf;
02063 }
02064
02065
02066 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
02067 char *buf, int len)
02068 {
02069 int res;
02070 char *pos, *end;
02071 struct wpa_supplicant *wpa_s;
02072
02073 wpa_s = global->ifaces;
02074 pos = buf;
02075 end = buf + len;
02076
02077 while (wpa_s) {
02078 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
02079 if (res < 0 || res >= end - pos) {
02080 *pos = '\0';
02081 break;
02082 }
02083 pos += res;
02084 wpa_s = wpa_s->next;
02085 }
02086 return pos - buf;
02087 }
02088
02089
02090 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
02091 char *buf, size_t *resp_len)
02092 {
02093 char *reply;
02094 const int reply_size = 2048;
02095 int reply_len;
02096
02097 wpa_hexdump_ascii(MSG_DEBUG, "RX global ctrl_iface",
02098 (const u8 *) buf, os_strlen(buf));
02099
02100 reply = os_malloc(reply_size);
02101 if (reply == NULL) {
02102 *resp_len = 1;
02103 return NULL;
02104 }
02105
02106 os_memcpy(reply, "OK\n", 3);
02107 reply_len = 3;
02108
02109 if (os_strcmp(buf, "PING") == 0) {
02110 os_memcpy(reply, "PONG\n", 5);
02111 reply_len = 5;
02112 } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
02113 if (wpa_supplicant_global_iface_add(global, buf + 14))
02114 reply_len = -1;
02115 } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
02116 if (wpa_supplicant_global_iface_remove(global, buf + 17))
02117 reply_len = -1;
02118 } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
02119 reply_len = wpa_supplicant_global_iface_list(
02120 global, reply, reply_size);
02121 } else if (os_strcmp(buf, "INTERFACES") == 0) {
02122 reply_len = wpa_supplicant_global_iface_interfaces(
02123 global, reply, reply_size);
02124 } else if (os_strcmp(buf, "TERMINATE") == 0) {
02125 wpa_supplicant_terminate_proc(global);
02126 } else if (os_strcmp(buf, "SUSPEND") == 0) {
02127 wpas_notify_suspend(global);
02128 } else if (os_strcmp(buf, "RESUME") == 0) {
02129 wpas_notify_resume(global);
02130 } else {
02131 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
02132 reply_len = 16;
02133 }
02134
02135 if (reply_len < 0) {
02136 os_memcpy(reply, "FAIL\n", 5);
02137 reply_len = 5;
02138 }
02139
02140 *resp_len = reply_len;
02141 return reply;
02142 }