/*
* wpa_supplicant / WPS integration
- * Copyright (c) 2008-2012, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2008-2013, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
}
+static void wpas_wps_remove_dup_network(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *new_ssid)
+{
+ struct wpa_ssid *ssid, *next;
+
+ for (ssid = wpa_s->conf->ssid, next = ssid ? ssid->next : NULL; ssid;
+ ssid = next, next = ssid ? ssid->next : NULL) {
+ /*
+ * new_ssid has already been added to the list in
+ * wpas_wps_add_network(), so skip it.
+ */
+ if (ssid == new_ssid)
+ continue;
+
+ if (ssid->bssid_set || new_ssid->bssid_set) {
+ if (ssid->bssid_set != new_ssid->bssid_set)
+ continue;
+ if (os_memcmp(ssid->bssid, new_ssid->bssid, ETH_ALEN) !=
+ 0)
+ continue;
+ }
+
+ /* compare SSID */
+ if (ssid->ssid_len == 0 || ssid->ssid_len != new_ssid->ssid_len)
+ continue;
+
+ if (ssid->ssid && new_ssid->ssid) {
+ if (os_memcmp(ssid->ssid, new_ssid->ssid,
+ ssid->ssid_len) != 0)
+ continue;
+ } else if (ssid->ssid || new_ssid->ssid)
+ continue;
+
+ /* compare security parameters */
+ if (ssid->auth_alg != new_ssid->auth_alg ||
+ ssid->key_mgmt != new_ssid->key_mgmt ||
+ ssid->proto != new_ssid->proto ||
+ ssid->pairwise_cipher != new_ssid->pairwise_cipher ||
+ ssid->group_cipher != new_ssid->group_cipher)
+ continue;
+
+ if (ssid->passphrase && new_ssid->passphrase) {
+ if (os_strlen(ssid->passphrase) !=
+ os_strlen(new_ssid->passphrase))
+ continue;
+ if (os_strcmp(ssid->passphrase, new_ssid->passphrase) !=
+ 0)
+ continue;
+ } else if (ssid->passphrase || new_ssid->passphrase)
+ continue;
+
+ if ((ssid->psk_set || new_ssid->psk_set) &&
+ os_memcmp(ssid->psk, new_ssid->psk, sizeof(ssid->psk)) != 0)
+ continue;
+
+ if (ssid->auth_alg == WPA_ALG_WEP) {
+ if (ssid->wep_tx_keyidx != new_ssid->wep_tx_keyidx)
+ continue;
+ if (os_memcmp(ssid->wep_key, new_ssid->wep_key,
+ sizeof(ssid->wep_key)))
+ continue;
+ if (os_memcmp(ssid->wep_key_len, new_ssid->wep_key_len,
+ sizeof(ssid->wep_key_len)))
+ continue;
+ }
+
+ /* Remove the duplicated older network entry. */
+ wpa_printf(MSG_DEBUG, "Remove duplicate network %d", ssid->id);
+ wpas_notify_network_removed(wpa_s, ssid);
+ wpa_config_remove_network(wpa_s->conf, ssid->id);
+ }
+}
+
+
static int wpa_supplicant_wps_cred(void *ctx,
const struct wps_credential *cred)
{
if (cred->ap_channel)
wpa_s->wps_ap_channel = cred->ap_channel;
+ wpas_wps_remove_dup_network(wpa_s, ssid);
+
#ifndef CONFIG_NO_CONFIG_WRITE
if (wpa_s->conf->update_config &&
wpa_config_write(wpa_s->confname, wpa_s->conf)) {
}
-static const char * wps_event_fail_reason[NUM_WPS_EI_VALUES] = {
- "No Error", /* WPS_EI_NO_ERROR */
- "TKIP Only Prohibited", /* WPS_EI_SECURITY_TKIP_ONLY_PROHIBITED */
- "WEP Prohibited" /* WPS_EI_SECURITY_WEP_PROHIBITED */
-};
-
static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s,
struct wps_event_fail *fail)
{
wpa_msg(wpa_s, MSG_INFO,
WPS_EVENT_FAIL "msg=%d config_error=%d reason=%d (%s)",
fail->msg, fail->config_error, fail->error_indication,
- wps_event_fail_reason[fail->error_indication]);
+ wps_ei_str(fail->error_indication));
if (wpa_s->parent && wpa_s->parent != wpa_s)
wpa_msg(wpa_s->parent, MSG_INFO, WPS_EVENT_FAIL
"msg=%d config_error=%d reason=%d (%s)",
fail->msg, fail->config_error,
fail->error_indication,
- wps_event_fail_reason[fail->error_indication]);
+ wps_ei_str(fail->error_indication));
} else {
wpa_msg(wpa_s, MSG_INFO,
WPS_EVENT_FAIL "msg=%d config_error=%d",
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS);
wpa_s->wps_success = 1;
wpas_notify_wps_event_success(wpa_s);
+ if (wpa_s->current_ssid)
+ wpas_clear_temp_disabled(wpa_s, wpa_s->current_ssid, 1);
+ wpa_s->extra_blacklist_count = 0;
/*
* Enable the networks disabled during wpas_wps_reassoc after 10
while (ssid) {
if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
if (ssid == wpa_s->current_ssid) {
- wpa_s->current_ssid = NULL;
- if (ssid != NULL)
- wpas_notify_network_changed(wpa_s);
+ wpa_supplicant_deauthenticate(
+ wpa_s, WLAN_REASON_DEAUTH_LEAVING);
}
id = ssid->id;
remove_ssid = ssid;
}
-static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s,
- struct wpa_ssid *selected, const u8 *bssid)
+static void wpas_wps_temp_disable(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *selected)
{
struct wpa_ssid *ssid;
- struct wpa_bss *bss;
-
- wpa_s->after_wps = 0;
- wpa_s->known_wps_freq = 0;
- if (bssid) {
- bss = wpa_bss_get_bssid_latest(wpa_s, bssid);
- if (bss && bss->freq > 0) {
- wpa_s->known_wps_freq = 1;
- wpa_s->wps_freq = bss->freq;
- }
- }
if (wpa_s->current_ssid)
wpa_supplicant_deauthenticate(
}
ssid = ssid->next;
}
+}
+
+
+static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *selected, const u8 *bssid)
+{
+ struct wpa_bss *bss;
+
+ wpa_s->after_wps = 0;
+ wpa_s->known_wps_freq = 0;
+ if (bssid) {
+ bss = wpa_bss_get_bssid_latest(wpa_s, bssid);
+ if (bss && bss->freq > 0) {
+ wpa_s->known_wps_freq = 1;
+ wpa_s->wps_freq = bss->freq;
+ }
+ }
+
+ wpas_wps_temp_disable(wpa_s, selected);
+
wpa_s->disconnected = 0;
wpa_s->reassociate = 1;
wpa_s->scan_runs = 0;
const char *uuid, const char *pin)
{
u8 u[UUID_LEN];
- int any = 0;
-
- if (os_strcmp(uuid, "any") == 0)
- any = 1;
- else if (uuid_str2bin(uuid, u))
+ const u8 *use_uuid = NULL;
+ u8 addr_buf[ETH_ALEN];
+
+ if (os_strcmp(uuid, "any") == 0) {
+ } else if (uuid_str2bin(uuid, u) == 0) {
+ use_uuid = u;
+ } else if (hwaddr_aton(uuid, addr_buf) == 0) {
+ use_uuid = wps_er_get_sta_uuid(wpa_s->wps_er, addr_buf);
+ if (use_uuid == NULL)
+ return -1;
+ } else
return -1;
return wps_registrar_add_pin(wpa_s->wps->registrar, addr,
- any ? NULL : u,
+ use_uuid,
(const u8 *) pin, os_strlen(pin), 300);
}
int wpas_wps_er_pbc(struct wpa_supplicant *wpa_s, const char *uuid)
{
- u8 u[UUID_LEN];
+ u8 u[UUID_LEN], *use_uuid = NULL;
+ u8 addr[ETH_ALEN], *use_addr = NULL;
- if (uuid_str2bin(uuid, u))
+ if (uuid_str2bin(uuid, u) == 0)
+ use_uuid = u;
+ else if (hwaddr_aton(uuid, addr) == 0)
+ use_addr = addr;
+ else
return -1;
- return wps_er_pbc(wpa_s->wps_er, u);
+ return wps_er_pbc(wpa_s->wps_er, use_uuid, use_addr);
}
int wpas_wps_er_learn(struct wpa_supplicant *wpa_s, const char *uuid,
const char *pin)
{
- u8 u[UUID_LEN];
+ u8 u[UUID_LEN], *use_uuid = NULL;
+ u8 addr[ETH_ALEN], *use_addr = NULL;
- if (uuid_str2bin(uuid, u))
+ if (uuid_str2bin(uuid, u) == 0)
+ use_uuid = u;
+ else if (hwaddr_aton(uuid, addr) == 0)
+ use_addr = addr;
+ else
return -1;
- return wps_er_learn(wpa_s->wps_er, u, (const u8 *) pin,
+
+ return wps_er_learn(wpa_s->wps_er, use_uuid, use_addr, (const u8 *) pin,
os_strlen(pin));
}
-int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid,
- int id)
+static int wpas_wps_network_to_cred(struct wpa_ssid *ssid,
+ struct wps_credential *cred)
{
- u8 u[UUID_LEN];
- struct wpa_ssid *ssid;
- struct wps_credential cred;
-
- if (uuid_str2bin(uuid, u))
- return -1;
- ssid = wpa_config_get_network(wpa_s->conf, id);
- if (ssid == NULL || ssid->ssid == NULL)
- return -1;
-
- os_memset(&cred, 0, sizeof(cred));
+ os_memset(cred, 0, sizeof(*cred));
if (ssid->ssid_len > 32)
return -1;
- os_memcpy(cred.ssid, ssid->ssid, ssid->ssid_len);
- cred.ssid_len = ssid->ssid_len;
+ os_memcpy(cred->ssid, ssid->ssid, ssid->ssid_len);
+ cred->ssid_len = ssid->ssid_len;
if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) {
- cred.auth_type = (ssid->proto & WPA_PROTO_RSN) ?
+ cred->auth_type = (ssid->proto & WPA_PROTO_RSN) ?
WPS_AUTH_WPA2PSK : WPS_AUTH_WPAPSK;
if (ssid->pairwise_cipher & WPA_CIPHER_CCMP)
- cred.encr_type = WPS_ENCR_AES;
+ cred->encr_type = WPS_ENCR_AES;
else
- cred.encr_type = WPS_ENCR_TKIP;
+ cred->encr_type = WPS_ENCR_TKIP;
if (ssid->passphrase) {
- cred.key_len = os_strlen(ssid->passphrase);
- if (cred.key_len >= 64)
+ cred->key_len = os_strlen(ssid->passphrase);
+ if (cred->key_len >= 64)
return -1;
- os_memcpy(cred.key, ssid->passphrase, cred.key_len);
+ os_memcpy(cred->key, ssid->passphrase, cred->key_len);
} else if (ssid->psk_set) {
- cred.key_len = 32;
- os_memcpy(cred.key, ssid->psk, 32);
+ cred->key_len = 32;
+ os_memcpy(cred->key, ssid->psk, 32);
} else
return -1;
} else {
- cred.auth_type = WPS_AUTH_OPEN;
- cred.encr_type = WPS_ENCR_NONE;
+ cred->auth_type = WPS_AUTH_OPEN;
+ cred->encr_type = WPS_ENCR_NONE;
}
- return wps_er_set_config(wpa_s->wps_er, u, &cred);
+
+ return 0;
+}
+
+
+int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid,
+ int id)
+{
+ u8 u[UUID_LEN], *use_uuid = NULL;
+ u8 addr[ETH_ALEN], *use_addr = NULL;
+ struct wpa_ssid *ssid;
+ struct wps_credential cred;
+
+ if (uuid_str2bin(uuid, u) == 0)
+ use_uuid = u;
+ else if (hwaddr_aton(uuid, addr) == 0)
+ use_addr = addr;
+ else
+ return -1;
+ ssid = wpa_config_get_network(wpa_s->conf, id);
+ if (ssid == NULL || ssid->ssid == NULL)
+ return -1;
+
+ if (wpas_wps_network_to_cred(ssid, &cred) < 0)
+ return -1;
+ return wps_er_set_config(wpa_s->wps_er, use_uuid, use_addr, &cred);
}
int wpas_wps_er_config(struct wpa_supplicant *wpa_s, const char *uuid,
const char *pin, struct wps_new_ap_settings *settings)
{
- u8 u[UUID_LEN];
+ u8 u[UUID_LEN], *use_uuid = NULL;
+ u8 addr[ETH_ALEN], *use_addr = NULL;
struct wps_credential cred;
size_t len;
- if (uuid_str2bin(uuid, u))
+ if (uuid_str2bin(uuid, u) == 0)
+ use_uuid = u;
+ else if (hwaddr_aton(uuid, addr) == 0)
+ use_addr = addr;
+ else
return -1;
if (settings->ssid_hex == NULL || settings->auth == NULL ||
settings->encr == NULL || settings->key_hex == NULL)
else
return -1;
- return wps_er_config(wpa_s->wps_er, u, (const u8 *) pin,
- os_strlen(pin), &cred);
+ return wps_er_config(wpa_s->wps_er, use_uuid, use_addr,
+ (const u8 *) pin, os_strlen(pin), &cred);
}
int ndef, const char *uuid)
{
struct wpabuf *ret;
- u8 u[UUID_LEN];
+ u8 u[UUID_LEN], *use_uuid = NULL;
+ u8 addr[ETH_ALEN], *use_addr = NULL;
if (!wpa_s->wps_er)
return NULL;
- if (uuid_str2bin(uuid, u))
+ if (uuid_str2bin(uuid, u) == 0)
+ use_uuid = u;
+ else if (hwaddr_aton(uuid, addr) == 0)
+ use_addr = addr;
+ else
return NULL;
- ret = wps_er_nfc_config_token(wpa_s->wps_er, u);
+ ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr);
if (ndef && ret) {
struct wpabuf *tmp;
tmp = ndef_build_wifi(ret);
#ifdef CONFIG_WPS_NFC
+#ifdef CONFIG_WPS_ER
+static struct wpabuf *
+wpas_wps_network_config_token(struct wpa_supplicant *wpa_s, int ndef,
+ struct wpa_ssid *ssid)
+{
+ struct wpabuf *ret;
+ struct wps_credential cred;
+
+ if (wpas_wps_network_to_cred(ssid, &cred) < 0)
+ return NULL;
+
+ ret = wps_er_config_token_from_cred(wpa_s->wps, &cred);
+
+ if (ndef && ret) {
+ struct wpabuf *tmp;
+ tmp = ndef_build_wifi(ret);
+ wpabuf_free(ret);
+ if (tmp == NULL)
+ return NULL;
+ ret = tmp;
+ }
+
+ return ret;
+}
+#endif /* CONFIG_WPS_ER */
+
+
struct wpabuf * wpas_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
- int ndef)
+ int ndef, const char *id_str)
{
+#ifdef CONFIG_WPS_ER
+ if (id_str) {
+ int id;
+ char *end = NULL;
+ struct wpa_ssid *ssid;
+
+ id = strtol(id_str, &end, 10);
+ if (end && *end)
+ return NULL;
+
+ ssid = wpa_config_get_network(wpa_s->conf, id);
+ if (ssid == NULL)
+ return NULL;
+ return wpas_wps_network_config_token(wpa_s, ndef, ssid);
+ }
+#endif /* CONFIG_WPS_ER */
#ifdef CONFIG_AP
if (wpa_s->ap_iface)
return wpas_ap_wps_nfc_config_token(wpa_s, ndef);
{
wpa_s->wps_ap_channel = 0;
+ /*
+ * Disable existing networks temporarily to allow the newly learned
+ * credential to be preferred. Enable the temporarily disabled networks
+ * after 10 seconds.
+ */
+ wpas_wps_temp_disable(wpa_s, NULL);
+ eloop_register_timeout(10, 0, wpas_wps_reenable_networks_cb, wpa_s,
+ NULL);
+
if (wps_oob_use_cred(wpa_s->wps, attr) < 0)
return -1;
{
#ifdef CONFIG_WPS_ER
struct wpabuf *ret;
- u8 u[UUID_LEN];
+ u8 u[UUID_LEN], *use_uuid = NULL;
+ u8 addr[ETH_ALEN], *use_addr = NULL;
if (!wpa_s->wps_er)
return NULL;
- if (uuid == NULL || uuid_str2bin(uuid, u))
+ if (uuid == NULL)
+ return NULL;
+ if (uuid_str2bin(uuid, u) == 0)
+ use_uuid = u;
+ else if (hwaddr_aton(uuid, addr) == 0)
+ use_addr = addr;
+ else
return NULL;
/*
* Handover Select carrier record for WPS uses the same format as
* configuration token.
*/
- ret = wps_er_nfc_config_token(wpa_s->wps_er, u);
+ ret = wps_er_nfc_config_token(wpa_s->wps_er, use_uuid, use_addr);
if (ndef && ret) {
struct wpabuf *tmp;
tmp = ndef_build_wifi(ret);