/external/bsd/wpa/dist/wpa_supplicant/ctrl_iface.c
C | 5545 lines | 5168 code | 340 blank | 37 comment | 599 complexity | c7e7c27cfa7ce7c8990a2ac8021d9fcc MD5 | raw file
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- /*
- * WPA Supplicant / Control interface (shared code for all backends)
- * Copyright (c) 2004-2012, Jouni Malinen <j@w1.fi>
- *
- * This software may be distributed under the terms of the BSD license.
- * See README for more details.
- */
- #include "utils/includes.h"
- #include "utils/common.h"
- #include "utils/eloop.h"
- #include "common/version.h"
- #include "common/ieee802_11_defs.h"
- #include "common/ieee802_11_common.h"
- #include "common/wpa_ctrl.h"
- #include "eap_peer/eap.h"
- #include "eapol_supp/eapol_supp_sm.h"
- #include "rsn_supp/wpa.h"
- #include "rsn_supp/preauth.h"
- #include "rsn_supp/pmksa_cache.h"
- #include "l2_packet/l2_packet.h"
- #include "wps/wps.h"
- #include "config.h"
- #include "wpa_supplicant_i.h"
- #include "driver_i.h"
- #include "wps_supplicant.h"
- #include "ibss_rsn.h"
- #include "ap.h"
- #include "p2p_supplicant.h"
- #include "p2p/p2p.h"
- #include "hs20_supplicant.h"
- #include "wifi_display.h"
- #include "notify.h"
- #include "bss.h"
- #include "scan.h"
- #include "ctrl_iface.h"
- #include "interworking.h"
- #include "blacklist.h"
- #include "autoscan.h"
- #include "wnm_sta.h"
- extern struct wpa_driver_ops *wpa_drivers[];
- static int wpa_supplicant_global_iface_list(struct wpa_global *global,
- char *buf, int len);
- static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
- char *buf, int len);
- static int pno_start(struct wpa_supplicant *wpa_s)
- {
- int ret;
- size_t i, num_ssid;
- struct wpa_ssid *ssid;
- struct wpa_driver_scan_params params;
- if (wpa_s->pno)
- return 0;
- if (wpa_s->wpa_state == WPA_SCANNING) {
- wpa_supplicant_cancel_sched_scan(wpa_s);
- wpa_supplicant_cancel_scan(wpa_s);
- }
- os_memset(¶ms, 0, sizeof(params));
- num_ssid = 0;
- ssid = wpa_s->conf->ssid;
- while (ssid) {
- if (!wpas_network_disabled(wpa_s, ssid))
- num_ssid++;
- ssid = ssid->next;
- }
- if (num_ssid > WPAS_MAX_SCAN_SSIDS) {
- wpa_printf(MSG_DEBUG, "PNO: Use only the first %u SSIDs from "
- "%u", WPAS_MAX_SCAN_SSIDS, (unsigned int) num_ssid);
- num_ssid = WPAS_MAX_SCAN_SSIDS;
- }
- if (num_ssid == 0) {
- wpa_printf(MSG_DEBUG, "PNO: No configured SSIDs");
- return -1;
- }
- params.filter_ssids = os_malloc(sizeof(struct wpa_driver_scan_filter) *
- num_ssid);
- if (params.filter_ssids == NULL)
- return -1;
- i = 0;
- ssid = wpa_s->conf->ssid;
- while (ssid) {
- if (!wpas_network_disabled(wpa_s, ssid)) {
- params.ssids[i].ssid = ssid->ssid;
- params.ssids[i].ssid_len = ssid->ssid_len;
- params.num_ssids++;
- os_memcpy(params.filter_ssids[i].ssid, ssid->ssid,
- ssid->ssid_len);
- params.filter_ssids[i].ssid_len = ssid->ssid_len;
- params.num_filter_ssids++;
- i++;
- if (i == num_ssid)
- break;
- }
- ssid = ssid->next;
- }
- if (wpa_s->conf->filter_rssi)
- params.filter_rssi = wpa_s->conf->filter_rssi;
- ret = wpa_drv_sched_scan(wpa_s, ¶ms, 10 * 1000);
- os_free(params.filter_ssids);
- if (ret == 0)
- wpa_s->pno = 1;
- return ret;
- }
- static int pno_stop(struct wpa_supplicant *wpa_s)
- {
- int ret = 0;
- if (wpa_s->pno) {
- wpa_s->pno = 0;
- ret = wpa_drv_stop_sched_scan(wpa_s);
- }
- if (wpa_s->wpa_state == WPA_SCANNING)
- wpa_supplicant_req_scan(wpa_s, 0, 0);
- return ret;
- }
- static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
- {
- char *pos;
- u8 addr[ETH_ALEN], *filter = NULL, *n;
- size_t count = 0;
- pos = val;
- while (pos) {
- if (*pos == '\0')
- break;
- if (hwaddr_aton(pos, addr)) {
- os_free(filter);
- return -1;
- }
- n = os_realloc_array(filter, count + 1, ETH_ALEN);
- if (n == NULL) {
- os_free(filter);
- return -1;
- }
- filter = n;
- os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
- count++;
- pos = os_strchr(pos, ' ');
- if (pos)
- pos++;
- }
- wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
- os_free(wpa_s->bssid_filter);
- wpa_s->bssid_filter = filter;
- wpa_s->bssid_filter_count = count;
- return 0;
- }
- static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
- {
- char *pos;
- u8 addr[ETH_ALEN], *bssid = NULL, *n;
- struct wpa_ssid_value *ssid = NULL, *ns;
- size_t count = 0, ssid_count = 0;
- struct wpa_ssid *c;
- /*
- * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | “”
- * SSID_SPEC ::= ssid <SSID_HEX>
- * BSSID_SPEC ::= bssid <BSSID_HEX>
- */
- pos = val;
- while (pos) {
- if (*pos == '\0')
- break;
- if (os_strncmp(pos, "bssid ", 6) == 0) {
- int res;
- pos += 6;
- res = hwaddr_aton2(pos, addr);
- if (res < 0) {
- os_free(ssid);
- os_free(bssid);
- wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
- "BSSID value '%s'", pos);
- return -1;
- }
- pos += res;
- n = os_realloc_array(bssid, count + 1, ETH_ALEN);
- if (n == NULL) {
- os_free(ssid);
- os_free(bssid);
- return -1;
- }
- bssid = n;
- os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
- count++;
- } else if (os_strncmp(pos, "ssid ", 5) == 0) {
- char *end;
- pos += 5;
- end = pos;
- while (*end) {
- if (*end == '\0' || *end == ' ')
- break;
- end++;
- }
- ns = os_realloc_array(ssid, ssid_count + 1,
- sizeof(struct wpa_ssid_value));
- if (ns == NULL) {
- os_free(ssid);
- os_free(bssid);
- return -1;
- }
- ssid = ns;
- if ((end - pos) & 0x01 || end - pos > 2 * 32 ||
- hexstr2bin(pos, ssid[ssid_count].ssid,
- (end - pos) / 2) < 0) {
- os_free(ssid);
- os_free(bssid);
- wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
- "SSID value '%s'", pos);
- return -1;
- }
- ssid[ssid_count].ssid_len = (end - pos) / 2;
- wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
- ssid[ssid_count].ssid,
- ssid[ssid_count].ssid_len);
- ssid_count++;
- pos = end;
- } else {
- wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
- "'%s'", pos);
- os_free(ssid);
- os_free(bssid);
- return -1;
- }
- pos = os_strchr(pos, ' ');
- if (pos)
- pos++;
- }
- wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
- os_free(wpa_s->disallow_aps_bssid);
- wpa_s->disallow_aps_bssid = bssid;
- wpa_s->disallow_aps_bssid_count = count;
- wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
- os_free(wpa_s->disallow_aps_ssid);
- wpa_s->disallow_aps_ssid = ssid;
- wpa_s->disallow_aps_ssid_count = ssid_count;
- if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
- return 0;
- c = wpa_s->current_ssid;
- if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
- return 0;
- if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
- !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
- return 0;
- wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
- "because current AP was marked disallowed");
- #ifdef CONFIG_SME
- wpa_s->sme.prev_bssid_set = 0;
- #endif /* CONFIG_SME */
- wpa_s->reassociate = 1;
- wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
- wpa_supplicant_req_scan(wpa_s, 0, 0);
- return 0;
- }
- static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
- char *cmd)
- {
- char *value;
- int ret = 0;
- value = os_strchr(cmd, ' ');
- if (value == NULL)
- return -1;
- *value++ = '\0';
- wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
- if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
- eapol_sm_configure(wpa_s->eapol,
- atoi(value), -1, -1, -1);
- } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
- eapol_sm_configure(wpa_s->eapol,
- -1, atoi(value), -1, -1);
- } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
- eapol_sm_configure(wpa_s->eapol,
- -1, -1, atoi(value), -1);
- } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
- eapol_sm_configure(wpa_s->eapol,
- -1, -1, -1, atoi(value));
- } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
- if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
- atoi(value)))
- ret = -1;
- } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
- 0) {
- if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
- atoi(value)))
- ret = -1;
- } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
- if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
- ret = -1;
- } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
- wpa_s->wps_fragment_size = atoi(value);
- #ifdef CONFIG_WPS_TESTING
- } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
- long int val;
- val = strtol(value, NULL, 0);
- if (val < 0 || val > 0xff) {
- ret = -1;
- wpa_printf(MSG_DEBUG, "WPS: Invalid "
- "wps_version_number %ld", val);
- } else {
- wps_version_number = val;
- wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
- "version %u.%u",
- (wps_version_number & 0xf0) >> 4,
- wps_version_number & 0x0f);
- }
- } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
- wps_testing_dummy_cred = atoi(value);
- wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
- wps_testing_dummy_cred);
- #endif /* CONFIG_WPS_TESTING */
- } else if (os_strcasecmp(cmd, "ampdu") == 0) {
- if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
- ret = -1;
- #ifdef CONFIG_TDLS_TESTING
- } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
- extern unsigned int tdls_testing;
- tdls_testing = strtol(value, NULL, 0);
- wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
- #endif /* CONFIG_TDLS_TESTING */
- #ifdef CONFIG_TDLS
- } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
- int disabled = atoi(value);
- wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
- if (disabled) {
- if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
- ret = -1;
- } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
- ret = -1;
- wpa_tdls_enable(wpa_s->wpa, !disabled);
- #endif /* CONFIG_TDLS */
- } else if (os_strcasecmp(cmd, "pno") == 0) {
- if (atoi(value))
- ret = pno_start(wpa_s);
- else
- ret = pno_stop(wpa_s);
- } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
- int disabled = atoi(value);
- if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
- ret = -1;
- else if (disabled)
- wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
- } else if (os_strcasecmp(cmd, "uapsd") == 0) {
- if (os_strcmp(value, "disable") == 0)
- wpa_s->set_sta_uapsd = 0;
- else {
- int be, bk, vi, vo;
- char *pos;
- /* format: BE,BK,VI,VO;max SP Length */
- be = atoi(value);
- pos = os_strchr(value, ',');
- if (pos == NULL)
- return -1;
- pos++;
- bk = atoi(pos);
- pos = os_strchr(pos, ',');
- if (pos == NULL)
- return -1;
- pos++;
- vi = atoi(pos);
- pos = os_strchr(pos, ',');
- if (pos == NULL)
- return -1;
- pos++;
- vo = atoi(pos);
- /* ignore max SP Length for now */
- wpa_s->set_sta_uapsd = 1;
- wpa_s->sta_uapsd = 0;
- if (be)
- wpa_s->sta_uapsd |= BIT(0);
- if (bk)
- wpa_s->sta_uapsd |= BIT(1);
- if (vi)
- wpa_s->sta_uapsd |= BIT(2);
- if (vo)
- wpa_s->sta_uapsd |= BIT(3);
- }
- } else if (os_strcasecmp(cmd, "ps") == 0) {
- ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
- #ifdef CONFIG_WIFI_DISPLAY
- } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
- wifi_display_enable(wpa_s->global, !!atoi(value));
- #endif /* CONFIG_WIFI_DISPLAY */
- } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
- ret = set_bssid_filter(wpa_s, value);
- } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
- ret = set_disallow_aps(wpa_s, value);
- } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
- wpa_s->no_keep_alive = !!atoi(value);
- } else {
- value[-1] = '=';
- ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
- if (ret == 0)
- wpa_supplicant_update_config(wpa_s);
- }
- return ret;
- }
- static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
- char *cmd, char *buf, size_t buflen)
- {
- int res = -1;
- wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
- if (os_strcmp(cmd, "version") == 0) {
- res = os_snprintf(buf, buflen, "%s", VERSION_STR);
- } else if (os_strcasecmp(cmd, "country") == 0) {
- if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
- res = os_snprintf(buf, buflen, "%c%c",
- wpa_s->conf->country[0],
- wpa_s->conf->country[1]);
- #ifdef CONFIG_WIFI_DISPLAY
- } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
- res = os_snprintf(buf, buflen, "%d",
- wpa_s->global->wifi_display);
- if (res < 0 || (unsigned int) res >= buflen)
- return -1;
- return res;
- #endif /* CONFIG_WIFI_DISPLAY */
- }
- if (res < 0 || (unsigned int) res >= buflen)
- return -1;
- return res;
- }
- #ifdef IEEE8021X_EAPOL
- static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
- char *addr)
- {
- u8 bssid[ETH_ALEN];
- struct wpa_ssid *ssid = wpa_s->current_ssid;
- if (hwaddr_aton(addr, bssid)) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
- "'%s'", addr);
- return -1;
- }
- wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
- rsn_preauth_deinit(wpa_s->wpa);
- if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
- return -1;
- return 0;
- }
- #endif /* IEEE8021X_EAPOL */
- #ifdef CONFIG_PEERKEY
- /* MLME-STKSTART.request(peer) */
- static int wpa_supplicant_ctrl_iface_stkstart(
- struct wpa_supplicant *wpa_s, char *addr)
- {
- u8 peer[ETH_ALEN];
- if (hwaddr_aton(addr, peer)) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
- "address '%s'", addr);
- return -1;
- }
- wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
- MAC2STR(peer));
- return wpa_sm_stkstart(wpa_s->wpa, peer);
- }
- #endif /* CONFIG_PEERKEY */
- #ifdef CONFIG_TDLS
- static int wpa_supplicant_ctrl_iface_tdls_discover(
- struct wpa_supplicant *wpa_s, char *addr)
- {
- u8 peer[ETH_ALEN];
- int ret;
- if (hwaddr_aton(addr, peer)) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
- "address '%s'", addr);
- return -1;
- }
- wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
- MAC2STR(peer));
- if (wpa_tdls_is_external_setup(wpa_s->wpa))
- ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
- else
- ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
- return ret;
- }
- static int wpa_supplicant_ctrl_iface_tdls_setup(
- struct wpa_supplicant *wpa_s, char *addr)
- {
- u8 peer[ETH_ALEN];
- int ret;
- if (hwaddr_aton(addr, peer)) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
- "address '%s'", addr);
- return -1;
- }
- wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
- MAC2STR(peer));
- ret = wpa_tdls_reneg(wpa_s->wpa, peer);
- if (ret) {
- if (wpa_tdls_is_external_setup(wpa_s->wpa))
- ret = wpa_tdls_start(wpa_s->wpa, peer);
- else
- ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
- }
- return ret;
- }
- static int wpa_supplicant_ctrl_iface_tdls_teardown(
- struct wpa_supplicant *wpa_s, char *addr)
- {
- u8 peer[ETH_ALEN];
- if (hwaddr_aton(addr, peer)) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
- "address '%s'", addr);
- return -1;
- }
- wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
- MAC2STR(peer));
- return wpa_tdls_teardown_link(wpa_s->wpa, peer,
- WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
- }
- #endif /* CONFIG_TDLS */
- #ifdef CONFIG_IEEE80211R
- static int wpa_supplicant_ctrl_iface_ft_ds(
- struct wpa_supplicant *wpa_s, char *addr)
- {
- u8 target_ap[ETH_ALEN];
- struct wpa_bss *bss;
- const u8 *mdie;
- if (hwaddr_aton(addr, target_ap)) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
- "address '%s'", addr);
- return -1;
- }
- wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
- bss = wpa_bss_get_bssid(wpa_s, target_ap);
- if (bss)
- mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
- else
- mdie = NULL;
- return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
- }
- #endif /* CONFIG_IEEE80211R */
- #ifdef CONFIG_WPS
- static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
- char *cmd)
- {
- u8 bssid[ETH_ALEN], *_bssid = bssid;
- #ifdef CONFIG_P2P
- u8 p2p_dev_addr[ETH_ALEN];
- #endif /* CONFIG_P2P */
- #ifdef CONFIG_AP
- u8 *_p2p_dev_addr = NULL;
- #endif /* CONFIG_AP */
- if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
- _bssid = NULL;
- #ifdef CONFIG_P2P
- } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
- if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
- "P2P Device Address '%s'",
- cmd + 13);
- return -1;
- }
- _p2p_dev_addr = p2p_dev_addr;
- #endif /* CONFIG_P2P */
- } else if (hwaddr_aton(cmd, bssid)) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
- cmd);
- return -1;
- }
- #ifdef CONFIG_AP
- if (wpa_s->ap_iface)
- return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
- #endif /* CONFIG_AP */
- return wpas_wps_start_pbc(wpa_s, _bssid, 0);
- }
- static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
- char *cmd, char *buf,
- size_t buflen)
- {
- u8 bssid[ETH_ALEN], *_bssid = bssid;
- char *pin;
- int ret;
- pin = os_strchr(cmd, ' ');
- if (pin)
- *pin++ = '\0';
- if (os_strcmp(cmd, "any") == 0)
- _bssid = NULL;
- else if (os_strcmp(cmd, "get") == 0) {
- ret = wps_generate_pin();
- goto done;
- } else if (hwaddr_aton(cmd, bssid)) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
- cmd);
- return -1;
- }
- #ifdef CONFIG_AP
- if (wpa_s->ap_iface) {
- int timeout = 0;
- char *pos;
- if (pin) {
- pos = os_strchr(pin, ' ');
- if (pos) {
- *pos++ = '\0';
- timeout = atoi(pos);
- }
- }
- return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
- buf, buflen, timeout);
- }
- #endif /* CONFIG_AP */
- if (pin) {
- ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
- DEV_PW_DEFAULT);
- if (ret < 0)
- return -1;
- ret = os_snprintf(buf, buflen, "%s", pin);
- if (ret < 0 || (size_t) ret >= buflen)
- return -1;
- return ret;
- }
- ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
- if (ret < 0)
- return -1;
- done:
- /* Return the generated PIN */
- ret = os_snprintf(buf, buflen, "%08d", ret);
- if (ret < 0 || (size_t) ret >= buflen)
- return -1;
- return ret;
- }
- static int wpa_supplicant_ctrl_iface_wps_check_pin(
- struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
- {
- char pin[9];
- size_t len;
- char *pos;
- int ret;
- wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
- (u8 *) cmd, os_strlen(cmd));
- for (pos = cmd, len = 0; *pos != '\0'; pos++) {
- if (*pos < '0' || *pos > '9')
- continue;
- pin[len++] = *pos;
- if (len == 9) {
- wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
- return -1;
- }
- }
- if (len != 4 && len != 8) {
- wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
- return -1;
- }
- pin[len] = '\0';
- if (len == 8) {
- unsigned int pin_val;
- pin_val = atoi(pin);
- if (!wps_pin_valid(pin_val)) {
- wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
- ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
- if (ret < 0 || (size_t) ret >= buflen)
- return -1;
- return ret;
- }
- }
- ret = os_snprintf(buf, buflen, "%s", pin);
- if (ret < 0 || (size_t) ret >= buflen)
- return -1;
- return ret;
- }
- #ifdef CONFIG_WPS_NFC
- static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
- char *cmd)
- {
- u8 bssid[ETH_ALEN], *_bssid = bssid;
- if (cmd == NULL || cmd[0] == '\0')
- _bssid = NULL;
- else if (hwaddr_aton(cmd, bssid))
- return -1;
- return wpas_wps_start_nfc(wpa_s, _bssid);
- }
- static int wpa_supplicant_ctrl_iface_wps_nfc_token(
- struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
- {
- int ndef;
- struct wpabuf *buf;
- int res;
- if (os_strcmp(cmd, "WPS") == 0)
- ndef = 0;
- else if (os_strcmp(cmd, "NDEF") == 0)
- ndef = 1;
- else
- return -1;
- buf = wpas_wps_nfc_token(wpa_s, ndef);
- if (buf == NULL)
- return -1;
- res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
- wpabuf_len(buf));
- reply[res++] = '\n';
- reply[res] = '\0';
- wpabuf_free(buf);
- return res;
- }
- static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
- struct wpa_supplicant *wpa_s, char *pos)
- {
- size_t len;
- struct wpabuf *buf;
- int ret;
- len = os_strlen(pos);
- if (len & 0x01)
- return -1;
- len /= 2;
- buf = wpabuf_alloc(len);
- if (buf == NULL)
- return -1;
- if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
- wpabuf_free(buf);
- return -1;
- }
- ret = wpas_wps_nfc_tag_read(wpa_s, buf);
- wpabuf_free(buf);
- return ret;
- }
- static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
- char *reply, size_t max_len)
- {
- struct wpabuf *buf;
- int res;
- buf = wpas_wps_nfc_handover_req(wpa_s);
- if (buf == NULL)
- return -1;
- res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
- wpabuf_len(buf));
- reply[res++] = '\n';
- reply[res] = '\0';
- wpabuf_free(buf);
- return res;
- }
- static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
- char *cmd, char *reply,
- size_t max_len)
- {
- char *pos;
- pos = os_strchr(cmd, ' ');
- if (pos == NULL)
- return -1;
- *pos++ = '\0';
- if (os_strcmp(cmd, "NDEF") != 0)
- return -1;
- if (os_strcmp(pos, "WPS") == 0) {
- return wpas_ctrl_nfc_get_handover_req_wps(wpa_s, reply,
- max_len);
- }
- return -1;
- }
- static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
- char *reply, size_t max_len)
- {
- struct wpabuf *buf;
- int res;
- buf = wpas_wps_nfc_handover_sel(wpa_s);
- if (buf == NULL)
- return -1;
- res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
- wpabuf_len(buf));
- reply[res++] = '\n';
- reply[res] = '\0';
- wpabuf_free(buf);
- return res;
- }
- static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
- char *cmd, char *reply,
- size_t max_len)
- {
- char *pos;
- pos = os_strchr(cmd, ' ');
- if (pos == NULL)
- return -1;
- *pos++ = '\0';
- if (os_strcmp(cmd, "NDEF") != 0)
- return -1;
- if (os_strcmp(pos, "WPS") == 0) {
- return wpas_ctrl_nfc_get_handover_sel_wps(wpa_s, reply,
- max_len);
- }
- return -1;
- }
- static int wpas_ctrl_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
- char *cmd, char *reply,
- size_t max_len)
- {
- size_t len;
- struct wpabuf *buf;
- int ret;
- len = os_strlen(cmd);
- if (len & 0x01)
- return -1;
- len /= 2;
- buf = wpabuf_alloc(len);
- if (buf == NULL)
- return -1;
- if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
- wpabuf_free(buf);
- return -1;
- }
- ret = wpas_wps_nfc_rx_handover_req(wpa_s, buf);
- wpabuf_free(buf);
- return ret;
- }
- static int wpas_ctrl_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
- char *cmd)
- {
- size_t len;
- struct wpabuf *buf;
- int ret;
- len = os_strlen(cmd);
- if (len & 0x01)
- return -1;
- len /= 2;
- buf = wpabuf_alloc(len);
- if (buf == NULL)
- return -1;
- if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
- wpabuf_free(buf);
- return -1;
- }
- ret = wpas_wps_nfc_rx_handover_sel(wpa_s, buf);
- wpabuf_free(buf);
- return ret;
- }
- #endif /* CONFIG_WPS_NFC */
- static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
- char *cmd)
- {
- u8 bssid[ETH_ALEN];
- char *pin;
- char *new_ssid;
- char *new_auth;
- char *new_encr;
- char *new_key;
- struct wps_new_ap_settings ap;
- pin = os_strchr(cmd, ' ');
- if (pin == NULL)
- return -1;
- *pin++ = '\0';
- if (hwaddr_aton(cmd, bssid)) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
- cmd);
- return -1;
- }
- new_ssid = os_strchr(pin, ' ');
- if (new_ssid == NULL)
- return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
- *new_ssid++ = '\0';
- new_auth = os_strchr(new_ssid, ' ');
- if (new_auth == NULL)
- return -1;
- *new_auth++ = '\0';
- new_encr = os_strchr(new_auth, ' ');
- if (new_encr == NULL)
- return -1;
- *new_encr++ = '\0';
- new_key = os_strchr(new_encr, ' ');
- if (new_key == NULL)
- return -1;
- *new_key++ = '\0';
- os_memset(&ap, 0, sizeof(ap));
- ap.ssid_hex = new_ssid;
- ap.auth = new_auth;
- ap.encr = new_encr;
- ap.key_hex = new_key;
- return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
- }
- #ifdef CONFIG_AP
- static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
- char *cmd, char *buf,
- size_t buflen)
- {
- int timeout = 300;
- char *pos;
- const char *pin_txt;
- if (!wpa_s->ap_iface)
- return -1;
- pos = os_strchr(cmd, ' ');
- if (pos)
- *pos++ = '\0';
- if (os_strcmp(cmd, "disable") == 0) {
- wpas_wps_ap_pin_disable(wpa_s);
- return os_snprintf(buf, buflen, "OK\n");
- }
- if (os_strcmp(cmd, "random") == 0) {
- if (pos)
- timeout = atoi(pos);
- pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
- if (pin_txt == NULL)
- return -1;
- return os_snprintf(buf, buflen, "%s", pin_txt);
- }
- if (os_strcmp(cmd, "get") == 0) {
- pin_txt = wpas_wps_ap_pin_get(wpa_s);
- if (pin_txt == NULL)
- return -1;
- return os_snprintf(buf, buflen, "%s", pin_txt);
- }
- if (os_strcmp(cmd, "set") == 0) {
- char *pin;
- if (pos == NULL)
- return -1;
- pin = pos;
- pos = os_strchr(pos, ' ');
- if (pos) {
- *pos++ = '\0';
- timeout = atoi(pos);
- }
- if (os_strlen(pin) > buflen)
- return -1;
- if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
- return -1;
- return os_snprintf(buf, buflen, "%s", pin);
- }
- return -1;
- }
- #endif /* CONFIG_AP */
- #ifdef CONFIG_WPS_ER
- static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
- char *cmd)
- {
- char *uuid = cmd, *pin, *pos;
- u8 addr_buf[ETH_ALEN], *addr = NULL;
- pin = os_strchr(uuid, ' ');
- if (pin == NULL)
- return -1;
- *pin++ = '\0';
- pos = os_strchr(pin, ' ');
- if (pos) {
- *pos++ = '\0';
- if (hwaddr_aton(pos, addr_buf) == 0)
- addr = addr_buf;
- }
- return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
- }
- static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
- char *cmd)
- {
- char *uuid = cmd, *pin;
- pin = os_strchr(uuid, ' ');
- if (pin == NULL)
- return -1;
- *pin++ = '\0';
- return wpas_wps_er_learn(wpa_s, uuid, pin);
- }
- static int wpa_supplicant_ctrl_iface_wps_er_set_config(
- struct wpa_supplicant *wpa_s, char *cmd)
- {
- char *uuid = cmd, *id;
- id = os_strchr(uuid, ' ');
- if (id == NULL)
- return -1;
- *id++ = '\0';
- return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
- }
- static int wpa_supplicant_ctrl_iface_wps_er_config(
- struct wpa_supplicant *wpa_s, char *cmd)
- {
- char *pin;
- char *new_ssid;
- char *new_auth;
- char *new_encr;
- char *new_key;
- struct wps_new_ap_settings ap;
- pin = os_strchr(cmd, ' ');
- if (pin == NULL)
- return -1;
- *pin++ = '\0';
- new_ssid = os_strchr(pin, ' ');
- if (new_ssid == NULL)
- return -1;
- *new_ssid++ = '\0';
- new_auth = os_strchr(new_ssid, ' ');
- if (new_auth == NULL)
- return -1;
- *new_auth++ = '\0';
- new_encr = os_strchr(new_auth, ' ');
- if (new_encr == NULL)
- return -1;
- *new_encr++ = '\0';
- new_key = os_strchr(new_encr, ' ');
- if (new_key == NULL)
- return -1;
- *new_key++ = '\0';
- os_memset(&ap, 0, sizeof(ap));
- ap.ssid_hex = new_ssid;
- ap.auth = new_auth;
- ap.encr = new_encr;
- ap.key_hex = new_key;
- return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
- }
- #ifdef CONFIG_WPS_NFC
- static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
- struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
- {
- int ndef;
- struct wpabuf *buf;
- int res;
- char *uuid;
- uuid = os_strchr(cmd, ' ');
- if (uuid == NULL)
- return -1;
- *uuid++ = '\0';
- if (os_strcmp(cmd, "WPS") == 0)
- ndef = 0;
- else if (os_strcmp(cmd, "NDEF") == 0)
- ndef = 1;
- else
- return -1;
- buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
- if (buf == NULL)
- return -1;
- res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
- wpabuf_len(buf));
- reply[res++] = '\n';
- reply[res] = '\0';
- wpabuf_free(buf);
- return res;
- }
- #endif /* CONFIG_WPS_NFC */
- #endif /* CONFIG_WPS_ER */
- #endif /* CONFIG_WPS */
- #ifdef CONFIG_IBSS_RSN
- static int wpa_supplicant_ctrl_iface_ibss_rsn(
- struct wpa_supplicant *wpa_s, char *addr)
- {
- u8 peer[ETH_ALEN];
- if (hwaddr_aton(addr, peer)) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
- "address '%s'", addr);
- return -1;
- }
- wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
- MAC2STR(peer));
- return ibss_rsn_start(wpa_s->ibss_rsn, peer);
- }
- #endif /* CONFIG_IBSS_RSN */
- static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
- char *rsp)
- {
- #ifdef IEEE8021X_EAPOL
- char *pos, *id_pos;
- int id;
- struct wpa_ssid *ssid;
- pos = os_strchr(rsp, '-');
- if (pos == NULL)
- return -1;
- *pos++ = '\0';
- id_pos = pos;
- pos = os_strchr(pos, ':');
- if (pos == NULL)
- return -1;
- *pos++ = '\0';
- id = atoi(id_pos);
- wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
- wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
- (u8 *) pos, os_strlen(pos));
- ssid = wpa_config_get_network(wpa_s->conf, id);
- if (ssid == NULL) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
- "to update", id);
- return -1;
- }
- return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
- pos);
- #else /* IEEE8021X_EAPOL */
- wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
- return -1;
- #endif /* IEEE8021X_EAPOL */
- }
- static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
- const char *params,
- char *buf, size_t buflen)
- {
- char *pos, *end, tmp[30];
- int res, verbose, wps, ret;
- verbose = os_strcmp(params, "-VERBOSE") == 0;
- wps = os_strcmp(params, "-WPS") == 0;
- pos = buf;
- end = buf + buflen;
- if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
- struct wpa_ssid *ssid = wpa_s->current_ssid;
- ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
- MAC2STR(wpa_s->bssid));
- if (ret < 0 || ret >= end - pos)
- return pos - buf;
- pos += ret;
- if (ssid) {
- u8 *_ssid = ssid->ssid;
- size_t ssid_len = ssid->ssid_len;
- u8 ssid_buf[MAX_SSID_LEN];
- if (ssid_len == 0) {
- int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
- if (_res < 0)
- ssid_len = 0;
- else
- ssid_len = _res;
- _ssid = ssid_buf;
- }
- ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
- wpa_ssid_txt(_ssid, ssid_len),
- ssid->id);
- if (ret < 0 || ret >= end - pos)
- return pos - buf;
- pos += ret;
- if (wps && ssid->passphrase &&
- wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
- (ssid->mode == WPAS_MODE_AP ||
- ssid->mode == WPAS_MODE_P2P_GO)) {
- ret = os_snprintf(pos, end - pos,
- "passphrase=%s\n",
- ssid->passphrase);
- if (ret < 0 || ret >= end - pos)
- return pos - buf;
- pos += ret;
- }
- if (ssid->id_str) {
- ret = os_snprintf(pos, end - pos,
- "id_str=%s\n",
- ssid->id_str);
- if (ret < 0 || ret >= end - pos)
- return pos - buf;
- pos += ret;
- }
- switch (ssid->mode) {
- case WPAS_MODE_INFRA:
- ret = os_snprintf(pos, end - pos,
- "mode=station\n");
- break;
- case WPAS_MODE_IBSS:
- ret = os_snprintf(pos, end - pos,
- "mode=IBSS\n");
- break;
- case WPAS_MODE_AP:
- ret = os_snprintf(pos, end - pos,
- "mode=AP\n");
- break;
- case WPAS_MODE_P2P_GO:
- ret = os_snprintf(pos, end - pos,
- "mode=P2P GO\n");
- break;
- case WPAS_MODE_P2P_GROUP_FORMATION:
- ret = os_snprintf(pos, end - pos,
- "mode=P2P GO - group "
- "formation\n");
- break;
- default:
- ret = 0;
- break;
- }
- if (ret < 0 || ret >= end - pos)
- return pos - buf;
- pos += ret;
- }
- #ifdef CONFIG_AP
- if (wpa_s->ap_iface) {
- pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
- end - pos,
- verbose);
- } else
- #endif /* CONFIG_AP */
- pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
- }
- ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
- wpa_supplicant_state_txt(wpa_s->wpa_state));
- if (ret < 0 || ret >= end - pos)
- return pos - buf;
- pos += ret;
- if (wpa_s->l2 &&
- l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
- ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
- if (ret < 0 || ret >= end - pos)
- return pos - buf;
- pos += ret;
- }
- #ifdef CONFIG_P2P
- if (wpa_s->global->p2p) {
- ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
- "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
- if (ret < 0 || ret >= end - pos)
- return pos - buf;
- pos += ret;
- }
- #endif /* CONFIG_P2P */
- ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
- MAC2STR(wpa_s->own_addr));
- if (ret < 0 || ret >= end - pos)
- return pos - buf;
- pos += ret;
- #ifdef CONFIG_HS20
- if (wpa_s->current_bss &&
- wpa_bss_get_vendor_ie(wpa_s->current_bss, HS20_IE_VENDOR_TYPE) &&
- wpa_s->wpa_proto == WPA_PROTO_RSN &&
- wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
- ret = os_snprintf(pos, end - pos, "hs20=1\n");
- if (ret < 0 || ret >= end - pos)
- return pos - buf;
- pos += ret;
- }
- if (wpa_s->current_ssid) {
- struct wpa_cred *cred;
- char *type;
- for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
- if (wpa_s->current_ssid->parent_cred != cred)
- continue;
- if (!cred->domain)
- continue;
- ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
- cred->domain);
- if (ret < 0 || ret >= end - pos)
- return pos - buf;
- pos += ret;
- if (wpa_s->current_bss == NULL ||
- wpa_s->current_bss->anqp == NULL)
- res = -1;
- else
- res = interworking_home_sp_cred(
- wpa_s, cred,
- wpa_s->current_bss->anqp->domain_name);
- if (res > 0)
- type = "home";
- else if (res == 0)
- type = "roaming";
- else
- type = "unknown";
- ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
- if (ret < 0 || ret >= end - pos)
- return pos - buf;
- pos += ret;
- break;
- }
- }
- #endif /* CONFIG_HS20 */
- if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
- wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
- res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
- verbose);
- if (res >= 0)
- pos += res;
- }
- res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
- if (res >= 0)
- pos += res;
- return pos - buf;
- }
- static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
- char *cmd)
- {
- char *pos;
- int id;
- struct wpa_ssid *ssid;
- u8 bssid[ETH_ALEN];
- /* cmd: "<network id> <BSSID>" */
- pos = os_strchr(cmd, ' ');
- if (pos == NULL)
- return -1;
- *pos++ = '\0';
- id = atoi(cmd);
- wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
- if (hwaddr_aton(pos, bssid)) {
- wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
- return -1;
- }
- ssid = wpa_config_get_network(wpa_s->conf, id);
- if (ssid == NULL) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
- "to update", id);
- return -1;
- }
- os_memcpy(ssid->bssid, bssid, ETH_ALEN);
- ssid->bssid_set = !is_zero_ether_addr(bssid);
- return 0;
- }
- static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
- char *cmd, char *buf,
- size_t buflen)
- {
- u8 bssid[ETH_ALEN];
- struct wpa_blacklist *e;
- char *pos, *end;
- int ret;
- /* cmd: "BLACKLIST [<BSSID>]" */
- if (*cmd == '\0') {
- pos = buf;
- end = buf + buflen;
- e = wpa_s->blacklist;
- while (e) {
- ret = os_snprintf(pos, end - pos, MACSTR "\n",
- MAC2STR(e->bssid));
- if (ret < 0 || ret >= end - pos)
- return pos - buf;
- pos += ret;
- e = e->next;
- }
- return pos - buf;
- }
- cmd++;
- if (os_strncmp(cmd, "clear", 5) == 0) {
- wpa_blacklist_clear(wpa_s);
- os_memcpy(buf, "OK\n", 3);
- return 3;
- }
- wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
- if (hwaddr_aton(cmd, bssid)) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
- return -1;
- }
- /*
- * Add the BSSID twice, so its count will be 2, causing it to be
- * skipped when processing scan results.
- */
- ret = wpa_blacklist_add(wpa_s, bssid);
- if (ret != 0)
- return -1;
- ret = wpa_blacklist_add(wpa_s, bssid);
- if (ret != 0)
- return -1;
- os_memcpy(buf, "OK\n", 3);
- return 3;
- }
- extern int wpa_debug_level;
- extern int wpa_debug_timestamp;
- static const char * debug_level_str(int level)
- {
- switch (level) {
- case MSG_EXCESSIVE:
- return "EXCESSIVE";
- case MSG_MSGDUMP:
- return "MSGDUMP";
- case MSG_DEBUG:
- return "DEBUG";
- case MSG_INFO:
- return "INFO";
- case MSG_WARNING:
- return "WARNING";
- case MSG_ERROR:
- return "ERROR";
- default:
- return "?";
- }
- }
- static int str_to_debug_level(const char *s)
- {
- if (os_strcasecmp(s, "EXCESSIVE") == 0)
- return MSG_EXCESSIVE;
- if (os_strcasecmp(s, "MSGDUMP") == 0)
- return MSG_MSGDUMP;
- if (os_strcasecmp(s, "DEBUG") == 0)
- return MSG_DEBUG;
- if (os_strcasecmp(s, "INFO") == 0)
- return MSG_INFO;
- if (os_strcasecmp(s, "WARNING") == 0)
- return MSG_WARNING;
- if (os_strcasecmp(s, "ERROR") == 0)
- return MSG_ERROR;
- return -1;
- }
- static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
- char *cmd, char *buf,
- size_t buflen)
- {
- char *pos, *end, *stamp;
- int ret;
- if (cmd == NULL) {
- return -1;
- }
- /* cmd: "LOG_LEVEL [<level>]" */
- if (*cmd == '\0') {
- pos = buf;
- end = buf + buflen;
- ret = os_snprintf(pos, end - pos, "Current level: %s\n"
- "Timestamp: %d\n",
- debug_level_str(wpa_debug_level),
- wpa_debug_timestamp);
- if (ret < 0 || ret >= end - pos)
- ret = 0;
- return ret;
- }
- while (*cmd == ' ')
- cmd++;
- stamp = os_strchr(cmd, ' ');
- if (stamp) {
- *stamp++ = '\0';
- while (*stamp == ' ') {
- stamp++;
- }
- }
- if (cmd && os_strlen(cmd)) {
- int level = str_to_debug_level(cmd);
- if (level < 0)
- return -1;
- wpa_debug_level = level;
- }
- if (stamp && os_strlen(stamp))
- wpa_debug_timestamp = atoi(stamp);
- os_memcpy(buf, "OK\n", 3);
- return 3;
- }
- static int wpa_supplicant_ctrl_iface_list_networks(
- struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
- {
- char *pos, *end;
- struct wpa_ssid *ssid;
- int ret;
- pos = buf;
- end = buf + buflen;
- ret = os_snprintf(pos, end - pos,
- "network id / ssid / bssid / flags\n");
- if (ret < 0 || ret >= end - pos)
- return pos - buf;
- pos += ret;
- ssid = wpa_s->conf->ssid;
- while (ssid) {
- ret = os_snprintf(pos, end - pos, "%d\t%s",
- ssid->id,
- wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
- if (ret < 0 || ret >= end - pos)
- return pos - buf;
- pos += ret;
- if (ssid->bssid_set) {
- ret = os_snprintf(pos, end - pos, "\t" MACSTR,
- MAC2STR(ssid->bssid));
- } else {
- ret = os_snprintf(pos, end - pos, "\tany");
- }
- if (ret < 0 || ret >= end - pos)
- return pos - buf;
- pos += ret;
- ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
- ssid == wpa_s->current_ssid ?
- "[CURRENT]" : "",
- ssid->disabled ? "[DISABLED]" : "",
- ssid->disabled_until.sec ?
- "[TEMP-DISABLED]" : "",
- ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
- "");
- if (ret < 0 || ret >= end - pos)
- return pos - buf;
- pos += ret;
- ret = os_snprintf(pos, end - pos, "\n");
- if (ret < 0 || ret >= end - pos)
- return pos - buf;
- pos += ret;
- ssid = ssid->next;
- }
- return pos - buf;
- }
- static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
- {
- int first = 1, ret;
- ret = os_snprintf(pos, end - pos, "-");
- if (ret < 0 || ret >= end - pos)
- return pos;
- pos += ret;
- if (cipher & WPA_CIPHER_NONE) {
- ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : "+");
- if (ret < 0 || ret >= end - pos)
- return pos;
- pos += ret;
- first = 0;
- }
- if (cipher & WPA_CIPHER_WEP40) {
- ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : "+");
- if (ret < 0 || ret >= end - pos)
- return pos;
- pos += ret;
- first = 0;
- }
- if (cipher & WPA_CIPHER_WEP104) {
- ret = os_snprintf(pos, end - pos, "%sWEP104",
- first ? "" : "+");
- if (ret < 0 || ret >= end - pos)
- return pos;
- pos += ret;
- first = 0;
- }
- if (cipher & WPA_CIPHER_TKIP) {
- ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : "+");
- if (ret < 0 || ret >= end - pos)
- return pos;
- pos += ret;
- first = 0;
- }
- if (cipher & WPA_CIPHER_CCMP) {
- ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : "+");
- if (ret < 0 || ret >= end - pos)
- return pos;
- pos += ret;
- first = 0;
- }
- if (cipher & WPA_CIPHER_GCMP) {
- ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : "+");
- if (ret < 0 || ret >= end - pos)
- return pos;
- pos += ret;
- first = 0;
- }
- return pos;
- }
- static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
- const u8 *ie, size_t ie_len)
- {
- struct wpa_ie_data data;
- int first, ret;
- ret = os_snprintf(pos, end - pos, "[%s-", proto);
- if (ret < 0 || ret >= end - pos)
- return pos;
- pos += ret;
- if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
- ret = os_snprintf(pos, end - pos, "?]");
- if (ret < 0 || ret >= end - pos)
- return pos;
- pos += ret;
- return pos;
- }
- first = 1;
- if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
- ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
- if (ret < 0 || ret >= end - pos)
- return pos;
- pos += ret;
- first = 0;
- }
- if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
- ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
- if (ret < 0 || ret >= end - pos)
- return pos;
- pos += ret;
- first = 0;
- }
- if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
- ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
- if (ret < 0 || ret >= end - pos)
- return pos;
- pos += ret;
- first = 0;
- }
- #ifdef CONFIG_IEEE80211R
- if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
- ret = os_snprintf(pos, end - pos, "%sFT/EAP",
- first ? "" : "+");
- if (ret < 0 || ret >= end - pos)
- return pos;
- pos += ret;
- first = 0;
- }
- if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
- ret = os_snprintf(pos, end - pos, "%sFT/PSK",
- first ? "" : "+");
- if (ret < 0 || ret >= end - pos)
- return pos;
- pos += ret;
- first = 0;
- }
- #endif /* CONFIG_IEEE80211R */
- #ifdef CONFIG_IEEE80211W
- if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
- ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
- first ? "" : "+");
- if (ret < 0 || ret >= end - pos)
- return pos;
- pos += ret;
- first = 0;
- }
- if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
- ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
- first ? "" : "+");
- if (ret < 0 || ret >= end - pos)
- return pos;
- pos += ret;
- first = 0;
- }
- #endif /* CONFIG_IEEE80211W */
- pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
- if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
- ret = os_snprintf(pos, end - pos, "-preauth");
- if (ret < 0 || ret >= end - pos)
- return pos;
- pos += ret;
- }
- ret = os_snprintf(pos, end - pos, "]");
- if (ret < 0 || ret >= end - pos)
- return pos;
- pos += ret;
- return pos;
- }
- #ifdef CONFIG_WPS
- static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
- char *pos, char *end,
- struct wpabuf *wps_ie)
- {
- int ret;
- const char *txt;
- if (wps_ie == NULL)
- return pos;
- if (wps_is_selected_pbc_registrar(wps_ie))
- txt = "[WPS-PBC]";
- #ifdef CONFIG_WPS2
- else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
- txt = "[WPS-AUTH]";
- #endif /* CONFIG_WPS2 */
- else if (wps_is_selected_pin_registrar(wps_ie))
- txt = "[WPS-PIN]";
- else
- txt = "[WPS]";
- ret = os_snprintf(pos, end - pos, "%s", txt);
- if (ret >= 0 && ret < end - pos)
- pos += ret;
- wpabuf_free(wps_ie);
- return pos;
- }
- #endif /* CONFIG_WPS */
- static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
- char *pos, char *end,
- const struct wpa_bss *bss)
- {
- #ifdef CONFIG_WPS
- struct wpabuf *wps_ie;
- wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
- return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
- #else /* CONFIG_WPS */
- return pos;
- #endif /* CONFIG_WPS */
- }
- /* Format one result on one text line into a buffer. */
- static int wpa_supplicant_ctrl_iface_scan_result(
- struct wpa_supplicant *wpa_s,
- const struct wpa_bss *bss, char *buf, size_t buflen)
- {
- char *pos, *end;
- int ret;
- const u8 *ie, *ie2, *p2p;
- p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
- if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
- os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
- 0)
- return 0; /* Do not show P2P listen discovery results here */
- pos = buf;
- end = buf + buflen;
- ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
- MAC2STR(bss->bssid), bss->freq, bss->level);
- if (ret < 0 || ret >= end - pos)
- return -1;
- pos += ret;
- ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
- if (ie)
- pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
- ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
- if (ie2)
- pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
- pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
- if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
- ret = os_snprintf(pos, end - pos, "[WEP]");
- if (ret < 0 || ret >= end - pos)
- return -1;
- pos += ret;
- }
- if (bss->caps & IEEE80211_CAP_IBSS) {
- ret = os_snprintf(pos, end - pos, "[IBSS]");
- if (ret < 0 || ret >= end - pos)
- return -1;
- pos += ret;
- }
- if (bss->caps & IEEE80211_CAP_ESS) {
- ret = os_snprintf(pos, end - pos, "[ESS]");
- if (ret < 0 || ret >= end - pos)
- return -1;
- pos += ret;
- }
- if (p2p) {
- ret = os_snprintf(pos, end - pos, "[P2P]");
- if (ret < 0 || ret >= end - pos)
- return -1;
- pos += ret;
- }
- #ifdef CONFIG_HS20
- if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
- ret = os_snprintf(pos, end - pos, "[HS20]");
- if (ret < 0 || ret >= end - pos)
- return -1;
- pos += ret;
- }
- #endif /* CONFIG_HS20 */
- ret = os_snprintf(pos, end - pos, "\t%s",
- wpa_ssid_txt(bss->ssid, bss->ssid_len));
- if (ret < 0 || ret >= end - pos)
- return -1;
- pos += ret;
- ret = os_snprintf(pos, end - pos, "\n");
- if (ret < 0 || ret >= end - pos)
- return -1;
- pos += ret;
- return pos - buf;
- }
- static int wpa_supplicant_ctrl_iface_scan_results(
- struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
- {
- char *pos, *end;
- struct wpa_bss *bss;
- int ret;
- pos = buf;
- end = buf + buflen;
- ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
- "flags / ssid\n");
- if (ret < 0 || ret >= end - pos)
- return pos - buf;
- pos += ret;
- dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
- ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
- end - pos);
- if (ret < 0 || ret >= end - pos)
- return pos - buf;
- pos += ret;
- }
- return pos - buf;
- }
- static int wpa_supplicant_ctrl_iface_select_network(
- struct wpa_supplicant *wpa_s, char *cmd)
- {
- int id;
- struct wpa_ssid *ssid;
- /* cmd: "<network id>" or "any" */
- if (os_strcmp(cmd, "any") == 0) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
- ssid = NULL;
- } else {
- id = atoi(cmd);
- wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
- ssid = wpa_config_get_network(wpa_s->conf, id);
- if (ssid == NULL) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
- "network id=%d", id);
- return -1;
- }
- if (ssid->disabled == 2) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
- "SELECT_NETWORK with persistent P2P group");
- return -1;
- }
- }
- wpa_supplicant_select_network(wpa_s, ssid);
- return 0;
- }
- static int wpa_supplicant_ctrl_iface_enable_network(
- struct wpa_supplicant *wpa_s, char *cmd)
- {
- int id;
- struct wpa_ssid *ssid;
- /* cmd: "<network id>" or "all" */
- if (os_strcmp(cmd, "all") == 0) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
- ssid = NULL;
- } else {
- id = atoi(cmd);
- wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
- ssid = wpa_config_get_network(wpa_s->conf, id);
- if (ssid == NULL) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
- "network id=%d", id);
- return -1;
- }
- if (ssid->disabled == 2) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
- "ENABLE_NETWORK with persistent P2P group");
- return -1;
- }
- if (os_strstr(cmd, " no-connect")) {
- ssid->disabled = 0;
- return 0;
- }
- }
- wpa_supplicant_enable_network(wpa_s, ssid);
- return 0;
- }
- static int wpa_supplicant_ctrl_iface_disable_network(
- struct wpa_supplicant *wpa_s, char *cmd)
- {
- int id;
- struct wpa_ssid *ssid;
- /* cmd: "<network id>" or "all" */
- if (os_strcmp(cmd, "all") == 0) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
- ssid = NULL;
- } else {
- id = atoi(cmd);
- wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
- ssid = wpa_config_get_network(wpa_s->conf, id);
- if (ssid == NULL) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
- "network id=%d", id);
- return -1;
- }
- if (ssid->disabled == 2) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
- "DISABLE_NETWORK with persistent P2P "
- "group");
- return -1;
- }
- }
- wpa_supplicant_disable_network(wpa_s, ssid);
- return 0;
- }
- static int wpa_supplicant_ctrl_iface_add_network(
- struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
- {
- struct wpa_ssid *ssid;
- int ret;
- wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
- ssid = wpa_config_add_network(wpa_s->conf);
- if (ssid == NULL)
- return -1;
- wpas_notify_network_added(wpa_s, ssid);
- ssid->disabled = 1;
- wpa_config_set_network_defaults(ssid);
- ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
- if (ret < 0 || (size_t) ret >= buflen)
- return -1;
- return ret;
- }
- static int wpa_supplicant_ctrl_iface_remove_network(
- struct wpa_supplicant *wpa_s, char *cmd)
- {
- int id;
- struct wpa_ssid *ssid;
- /* cmd: "<network id>" or "all" */
- if (os_strcmp(cmd, "all") == 0) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
- ssid = wpa_s->conf->ssid;
- while (ssid) {
- struct wpa_ssid *remove_ssid = ssid;
- id = ssid->id;
- ssid = ssid->next;
- wpas_notify_network_removed(wpa_s, remove_ssid);
- wpa_config_remove_network(wpa_s->conf, id);
- }
- eapol_sm_invalidate_cached_session(wpa_s->eapol);
- if (wpa_s->current_ssid) {
- #ifdef CONFIG_SME
- wpa_s->sme.prev_bssid_set = 0;
- #endif /* CONFIG_SME */
- wpa_sm_set_config(wpa_s->wpa, NULL);
- eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
- wpa_supplicant_deauthenticate(
- wpa_s, WLAN_REASON_DEAUTH_LEAVING);
- }
- return 0;
- }
- id = atoi(cmd);
- wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
- ssid = wpa_config_get_network(wpa_s->conf, id);
- if (ssid)
- wpas_notify_network_removed(wpa_s, ssid);
- if (ssid == NULL) {
- wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
- "id=%d", id);
- return -1;
- }
- if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
- #ifdef CONFIG_SME
- wpa_s->sme.prev_bssid_set = 0;
- #endif /* CONFIG_SME */
- /*
- * Invalidate the EAP session cache if the current or
- * previously used network is removed.
- */
- eapol_sm_invalidate_cached_session(wpa_s->eapol);
- }
- if (ssid == wpa_s…
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