nl80211: Move event handling into a separate file
Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen
parent
0fafeb5454
commit
8a906d1251
5 changed files with 677 additions and 635 deletions
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@ -186,7 +186,7 @@ static int i802_set_freq(void *priv, struct hostapd_freq_params *freq);
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static int i802_set_iface_flags(struct i802_bss *bss, int up);
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static int i802_set_iface_flags(struct i802_bss *bss, int up);
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static const char * nl80211_command_to_string(enum nl80211_commands cmd)
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const char * nl80211_command_to_string(enum nl80211_commands cmd)
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{
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{
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#define C2S(x) case x: return #x;
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#define C2S(x) case x: return #x;
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switch (cmd) {
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switch (cmd) {
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@ -1220,48 +1220,6 @@ static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
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}
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}
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static void mlme_event_auth(struct wpa_driver_nl80211_data *drv,
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const u8 *frame, size_t len)
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{
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const struct ieee80211_mgmt *mgmt;
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union wpa_event_data event;
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if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
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drv->force_connect_cmd) {
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/*
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* Avoid reporting two association events that would confuse
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* the core code.
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*/
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wpa_printf(MSG_DEBUG,
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"nl80211: Ignore auth event when using driver SME");
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return;
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}
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wpa_printf(MSG_DEBUG, "nl80211: Authenticate event");
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mgmt = (const struct ieee80211_mgmt *) frame;
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if (len < 24 + sizeof(mgmt->u.auth)) {
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wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
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"frame");
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return;
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}
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os_memcpy(drv->auth_bssid, mgmt->sa, ETH_ALEN);
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os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
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os_memset(&event, 0, sizeof(event));
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os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN);
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event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg);
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event.auth.auth_transaction =
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le_to_host16(mgmt->u.auth.auth_transaction);
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event.auth.status_code = le_to_host16(mgmt->u.auth.status_code);
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if (len > 24 + sizeof(mgmt->u.auth)) {
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event.auth.ies = mgmt->u.auth.variable;
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event.auth.ies_len = len - 24 - sizeof(mgmt->u.auth);
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}
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wpa_supplicant_event(drv->ctx, EVENT_AUTH, &event);
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}
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unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
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unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
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{
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{
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struct nl_msg *msg;
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struct nl_msg *msg;
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@ -1296,598 +1254,6 @@ nla_put_failure:
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}
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}
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static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv,
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const u8 *frame, size_t len)
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{
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const struct ieee80211_mgmt *mgmt;
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union wpa_event_data event;
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u16 status;
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if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
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drv->force_connect_cmd) {
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/*
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* Avoid reporting two association events that would confuse
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* the core code.
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*/
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wpa_printf(MSG_DEBUG,
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"nl80211: Ignore assoc event when using driver SME");
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return;
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}
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wpa_printf(MSG_DEBUG, "nl80211: Associate event");
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mgmt = (const struct ieee80211_mgmt *) frame;
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if (len < 24 + sizeof(mgmt->u.assoc_resp)) {
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wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
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"frame");
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return;
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}
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status = le_to_host16(mgmt->u.assoc_resp.status_code);
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if (status != WLAN_STATUS_SUCCESS) {
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os_memset(&event, 0, sizeof(event));
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event.assoc_reject.bssid = mgmt->bssid;
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if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
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event.assoc_reject.resp_ies =
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(u8 *) mgmt->u.assoc_resp.variable;
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event.assoc_reject.resp_ies_len =
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len - 24 - sizeof(mgmt->u.assoc_resp);
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}
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event.assoc_reject.status_code = status;
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wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
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return;
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}
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drv->associated = 1;
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os_memcpy(drv->bssid, mgmt->sa, ETH_ALEN);
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os_memcpy(drv->prev_bssid, mgmt->sa, ETH_ALEN);
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os_memset(&event, 0, sizeof(event));
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if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
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event.assoc_info.resp_ies = (u8 *) mgmt->u.assoc_resp.variable;
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event.assoc_info.resp_ies_len =
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len - 24 - sizeof(mgmt->u.assoc_resp);
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}
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event.assoc_info.freq = drv->assoc_freq;
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wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
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}
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static void mlme_event_connect(struct wpa_driver_nl80211_data *drv,
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enum nl80211_commands cmd, struct nlattr *status,
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struct nlattr *addr, struct nlattr *req_ie,
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struct nlattr *resp_ie,
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struct nlattr *authorized,
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struct nlattr *key_replay_ctr,
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struct nlattr *ptk_kck,
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struct nlattr *ptk_kek)
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{
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union wpa_event_data event;
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if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
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/*
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* Avoid reporting two association events that would confuse
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* the core code.
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*/
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wpa_printf(MSG_DEBUG, "nl80211: Ignore connect event (cmd=%d) "
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"when using userspace SME", cmd);
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return;
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}
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if (cmd == NL80211_CMD_CONNECT)
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wpa_printf(MSG_DEBUG, "nl80211: Connect event");
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else if (cmd == NL80211_CMD_ROAM)
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wpa_printf(MSG_DEBUG, "nl80211: Roam event");
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os_memset(&event, 0, sizeof(event));
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if (cmd == NL80211_CMD_CONNECT &&
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nla_get_u16(status) != WLAN_STATUS_SUCCESS) {
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if (addr)
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event.assoc_reject.bssid = nla_data(addr);
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if (resp_ie) {
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event.assoc_reject.resp_ies = nla_data(resp_ie);
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event.assoc_reject.resp_ies_len = nla_len(resp_ie);
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}
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event.assoc_reject.status_code = nla_get_u16(status);
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wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
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return;
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}
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drv->associated = 1;
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if (addr) {
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os_memcpy(drv->bssid, nla_data(addr), ETH_ALEN);
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os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
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}
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if (req_ie) {
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event.assoc_info.req_ies = nla_data(req_ie);
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event.assoc_info.req_ies_len = nla_len(req_ie);
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}
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if (resp_ie) {
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event.assoc_info.resp_ies = nla_data(resp_ie);
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event.assoc_info.resp_ies_len = nla_len(resp_ie);
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}
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event.assoc_info.freq = nl80211_get_assoc_freq(drv);
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if (authorized && nla_get_u8(authorized)) {
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event.assoc_info.authorized = 1;
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wpa_printf(MSG_DEBUG, "nl80211: connection authorized");
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}
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if (key_replay_ctr) {
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event.assoc_info.key_replay_ctr = nla_data(key_replay_ctr);
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event.assoc_info.key_replay_ctr_len = nla_len(key_replay_ctr);
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}
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if (ptk_kck) {
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event.assoc_info.ptk_kck = nla_data(ptk_kck);
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event.assoc_info.ptk_kck_len = nla_len(ptk_kek);
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}
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if (ptk_kek) {
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event.assoc_info.ptk_kek = nla_data(ptk_kek);
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event.assoc_info.ptk_kek_len = nla_len(ptk_kek);
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}
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wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
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}
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static void mlme_event_disconnect(struct wpa_driver_nl80211_data *drv,
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struct nlattr *reason, struct nlattr *addr,
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struct nlattr *by_ap)
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{
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union wpa_event_data data;
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unsigned int locally_generated = by_ap == NULL;
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if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
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/*
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* Avoid reporting two disassociation events that could
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* confuse the core code.
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*/
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wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
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"event when using userspace SME");
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return;
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}
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if (drv->ignore_next_local_disconnect) {
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drv->ignore_next_local_disconnect = 0;
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if (locally_generated) {
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wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
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"event triggered during reassociation");
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return;
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}
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wpa_printf(MSG_WARNING, "nl80211: Was expecting local "
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"disconnect but got another disconnect "
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"event first");
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}
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wpa_printf(MSG_DEBUG, "nl80211: Disconnect event");
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nl80211_mark_disconnected(drv);
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os_memset(&data, 0, sizeof(data));
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if (reason)
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data.deauth_info.reason_code = nla_get_u16(reason);
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data.deauth_info.locally_generated = by_ap == NULL;
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wpa_supplicant_event(drv->ctx, EVENT_DEAUTH, &data);
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}
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static int calculate_chan_offset(int width, int freq, int cf1, int cf2)
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{
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int freq1 = 0;
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switch (convert2width(width)) {
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case CHAN_WIDTH_20_NOHT:
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case CHAN_WIDTH_20:
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return 0;
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case CHAN_WIDTH_40:
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freq1 = cf1 - 10;
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break;
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case CHAN_WIDTH_80:
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freq1 = cf1 - 30;
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break;
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case CHAN_WIDTH_160:
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freq1 = cf1 - 70;
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break;
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case CHAN_WIDTH_UNKNOWN:
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case CHAN_WIDTH_80P80:
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/* FIXME: implement this */
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return 0;
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}
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return (abs(freq - freq1) / 20) % 2 == 0 ? 1 : -1;
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}
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static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
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struct nlattr *ifindex, struct nlattr *freq,
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struct nlattr *type, struct nlattr *bw,
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struct nlattr *cf1, struct nlattr *cf2)
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{
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struct i802_bss *bss;
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union wpa_event_data data;
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int ht_enabled = 1;
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int chan_offset = 0;
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int ifidx;
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wpa_printf(MSG_DEBUG, "nl80211: Channel switch event");
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if (!freq)
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return;
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ifidx = nla_get_u32(ifindex);
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bss = get_bss_ifindex(drv, ifidx);
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if (bss == NULL) {
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wpa_printf(MSG_WARNING, "nl80211: Unknown ifindex (%d) for channel switch, ignoring",
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ifidx);
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return;
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}
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if (type) {
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enum nl80211_channel_type ch_type = nla_get_u32(type);
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wpa_printf(MSG_DEBUG, "nl80211: Channel type: %d", ch_type);
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switch (ch_type) {
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case NL80211_CHAN_NO_HT:
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ht_enabled = 0;
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break;
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case NL80211_CHAN_HT20:
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break;
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case NL80211_CHAN_HT40PLUS:
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chan_offset = 1;
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break;
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case NL80211_CHAN_HT40MINUS:
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chan_offset = -1;
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break;
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}
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} else if (bw && cf1) {
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/* This can happen for example with VHT80 ch switch */
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chan_offset = calculate_chan_offset(nla_get_u32(bw),
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nla_get_u32(freq),
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nla_get_u32(cf1),
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cf2 ? nla_get_u32(cf2) : 0);
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} else {
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wpa_printf(MSG_WARNING, "nl80211: Unknown secondary channel information - following channel definition calculations may fail");
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}
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os_memset(&data, 0, sizeof(data));
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data.ch_switch.freq = nla_get_u32(freq);
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data.ch_switch.ht_enabled = ht_enabled;
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data.ch_switch.ch_offset = chan_offset;
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if (bw)
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data.ch_switch.ch_width = convert2width(nla_get_u32(bw));
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if (cf1)
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data.ch_switch.cf1 = nla_get_u32(cf1);
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if (cf2)
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data.ch_switch.cf2 = nla_get_u32(cf2);
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bss->freq = data.ch_switch.freq;
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wpa_supplicant_event(bss->ctx, EVENT_CH_SWITCH, &data);
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}
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static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv,
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enum nl80211_commands cmd, struct nlattr *addr)
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{
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union wpa_event_data event;
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enum wpa_event_type ev;
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if (nla_len(addr) != ETH_ALEN)
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return;
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wpa_printf(MSG_DEBUG, "nl80211: MLME event %d; timeout with " MACSTR,
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cmd, MAC2STR((u8 *) nla_data(addr)));
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if (cmd == NL80211_CMD_AUTHENTICATE)
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ev = EVENT_AUTH_TIMED_OUT;
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else if (cmd == NL80211_CMD_ASSOCIATE)
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ev = EVENT_ASSOC_TIMED_OUT;
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else
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return;
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os_memset(&event, 0, sizeof(event));
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os_memcpy(event.timeout_event.addr, nla_data(addr), ETH_ALEN);
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wpa_supplicant_event(drv->ctx, ev, &event);
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}
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static void mlme_event_mgmt(struct i802_bss *bss,
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struct nlattr *freq, struct nlattr *sig,
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|
||||||
const u8 *frame, size_t len)
|
|
||||||
{
|
|
||||||
struct wpa_driver_nl80211_data *drv = bss->drv;
|
|
||||||
const struct ieee80211_mgmt *mgmt;
|
|
||||||
union wpa_event_data event;
|
|
||||||
u16 fc, stype;
|
|
||||||
int ssi_signal = 0;
|
|
||||||
int rx_freq = 0;
|
|
||||||
|
|
||||||
wpa_printf(MSG_MSGDUMP, "nl80211: Frame event");
|
|
||||||
mgmt = (const struct ieee80211_mgmt *) frame;
|
|
||||||
if (len < 24) {
|
|
||||||
wpa_printf(MSG_DEBUG, "nl80211: Too short management frame");
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
fc = le_to_host16(mgmt->frame_control);
|
|
||||||
stype = WLAN_FC_GET_STYPE(fc);
|
|
||||||
|
|
||||||
if (sig)
|
|
||||||
ssi_signal = (s32) nla_get_u32(sig);
|
|
||||||
|
|
||||||
os_memset(&event, 0, sizeof(event));
|
|
||||||
if (freq) {
|
|
||||||
event.rx_mgmt.freq = nla_get_u32(freq);
|
|
||||||
rx_freq = drv->last_mgmt_freq = event.rx_mgmt.freq;
|
|
||||||
}
|
|
||||||
wpa_printf(MSG_DEBUG,
|
|
||||||
"nl80211: RX frame sa=" MACSTR
|
|
||||||
" freq=%d ssi_signal=%d stype=%u (%s) len=%u",
|
|
||||||
MAC2STR(mgmt->sa), rx_freq, ssi_signal, stype, fc2str(fc),
|
|
||||||
(unsigned int) len);
|
|
||||||
event.rx_mgmt.frame = frame;
|
|
||||||
event.rx_mgmt.frame_len = len;
|
|
||||||
event.rx_mgmt.ssi_signal = ssi_signal;
|
|
||||||
event.rx_mgmt.drv_priv = bss;
|
|
||||||
wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
static void mlme_event_mgmt_tx_status(struct wpa_driver_nl80211_data *drv,
|
|
||||||
struct nlattr *cookie, const u8 *frame,
|
|
||||||
size_t len, struct nlattr *ack)
|
|
||||||
{
|
|
||||||
union wpa_event_data event;
|
|
||||||
const struct ieee80211_hdr *hdr;
|
|
||||||
u16 fc;
|
|
||||||
|
|
||||||
wpa_printf(MSG_DEBUG, "nl80211: Frame TX status event");
|
|
||||||
if (!is_ap_interface(drv->nlmode)) {
|
|
||||||
u64 cookie_val;
|
|
||||||
|
|
||||||
if (!cookie)
|
|
||||||
return;
|
|
||||||
|
|
||||||
cookie_val = nla_get_u64(cookie);
|
|
||||||
wpa_printf(MSG_DEBUG, "nl80211: Action TX status:"
|
|
||||||
" cookie=0%llx%s (ack=%d)",
|
|
||||||
(long long unsigned int) cookie_val,
|
|
||||||
cookie_val == drv->send_action_cookie ?
|
|
||||||
" (match)" : " (unknown)", ack != NULL);
|
|
||||||
if (cookie_val != drv->send_action_cookie)
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
hdr = (const struct ieee80211_hdr *) frame;
|
|
||||||
fc = le_to_host16(hdr->frame_control);
|
|
||||||
|
|
||||||
os_memset(&event, 0, sizeof(event));
|
|
||||||
event.tx_status.type = WLAN_FC_GET_TYPE(fc);
|
|
||||||
event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
|
|
||||||
event.tx_status.dst = hdr->addr1;
|
|
||||||
event.tx_status.data = frame;
|
|
||||||
event.tx_status.data_len = len;
|
|
||||||
event.tx_status.ack = ack != NULL;
|
|
||||||
wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv,
|
|
||||||
enum wpa_event_type type,
|
|
||||||
const u8 *frame, size_t len)
|
|
||||||
{
|
|
||||||
const struct ieee80211_mgmt *mgmt;
|
|
||||||
union wpa_event_data event;
|
|
||||||
const u8 *bssid = NULL;
|
|
||||||
u16 reason_code = 0;
|
|
||||||
|
|
||||||
if (type == EVENT_DEAUTH)
|
|
||||||
wpa_printf(MSG_DEBUG, "nl80211: Deauthenticate event");
|
|
||||||
else
|
|
||||||
wpa_printf(MSG_DEBUG, "nl80211: Disassociate event");
|
|
||||||
|
|
||||||
mgmt = (const struct ieee80211_mgmt *) frame;
|
|
||||||
if (len >= 24) {
|
|
||||||
bssid = mgmt->bssid;
|
|
||||||
|
|
||||||
if ((drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
|
|
||||||
!drv->associated &&
|
|
||||||
os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0 &&
|
|
||||||
os_memcmp(bssid, drv->auth_attempt_bssid, ETH_ALEN) != 0 &&
|
|
||||||
os_memcmp(bssid, drv->prev_bssid, ETH_ALEN) == 0) {
|
|
||||||
/*
|
|
||||||
* Avoid issues with some roaming cases where
|
|
||||||
* disconnection event for the old AP may show up after
|
|
||||||
* we have started connection with the new AP.
|
|
||||||
*/
|
|
||||||
wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth/disassoc event from old AP " MACSTR " when already authenticating with " MACSTR,
|
|
||||||
MAC2STR(bssid),
|
|
||||||
MAC2STR(drv->auth_attempt_bssid));
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (drv->associated != 0 &&
|
|
||||||
os_memcmp(bssid, drv->bssid, ETH_ALEN) != 0 &&
|
|
||||||
os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0) {
|
|
||||||
/*
|
|
||||||
* We have presumably received this deauth as a
|
|
||||||
* response to a clear_state_mismatch() outgoing
|
|
||||||
* deauth. Don't let it take us offline!
|
|
||||||
*/
|
|
||||||
wpa_printf(MSG_DEBUG, "nl80211: Deauth received "
|
|
||||||
"from Unknown BSSID " MACSTR " -- ignoring",
|
|
||||||
MAC2STR(bssid));
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
nl80211_mark_disconnected(drv);
|
|
||||||
os_memset(&event, 0, sizeof(event));
|
|
||||||
|
|
||||||
/* Note: Same offset for Reason Code in both frame subtypes */
|
|
||||||
if (len >= 24 + sizeof(mgmt->u.deauth))
|
|
||||||
reason_code = le_to_host16(mgmt->u.deauth.reason_code);
|
|
||||||
|
|
||||||
if (type == EVENT_DISASSOC) {
|
|
||||||
event.disassoc_info.locally_generated =
|
|
||||||
!os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
|
|
||||||
event.disassoc_info.addr = bssid;
|
|
||||||
event.disassoc_info.reason_code = reason_code;
|
|
||||||
if (frame + len > mgmt->u.disassoc.variable) {
|
|
||||||
event.disassoc_info.ie = mgmt->u.disassoc.variable;
|
|
||||||
event.disassoc_info.ie_len = frame + len -
|
|
||||||
mgmt->u.disassoc.variable;
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
if (drv->ignore_deauth_event) {
|
|
||||||
wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event due to previous forced deauth-during-auth");
|
|
||||||
drv->ignore_deauth_event = 0;
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
event.deauth_info.locally_generated =
|
|
||||||
!os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
|
|
||||||
if (drv->ignore_next_local_deauth) {
|
|
||||||
drv->ignore_next_local_deauth = 0;
|
|
||||||
if (event.deauth_info.locally_generated) {
|
|
||||||
wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event triggered due to own deauth request");
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
wpa_printf(MSG_WARNING, "nl80211: Was expecting local deauth but got another disconnect event first");
|
|
||||||
}
|
|
||||||
event.deauth_info.addr = bssid;
|
|
||||||
event.deauth_info.reason_code = reason_code;
|
|
||||||
if (frame + len > mgmt->u.deauth.variable) {
|
|
||||||
event.deauth_info.ie = mgmt->u.deauth.variable;
|
|
||||||
event.deauth_info.ie_len = frame + len -
|
|
||||||
mgmt->u.deauth.variable;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
wpa_supplicant_event(drv->ctx, type, &event);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
static void mlme_event_unprot_disconnect(struct wpa_driver_nl80211_data *drv,
|
|
||||||
enum wpa_event_type type,
|
|
||||||
const u8 *frame, size_t len)
|
|
||||||
{
|
|
||||||
const struct ieee80211_mgmt *mgmt;
|
|
||||||
union wpa_event_data event;
|
|
||||||
u16 reason_code = 0;
|
|
||||||
|
|
||||||
if (type == EVENT_UNPROT_DEAUTH)
|
|
||||||
wpa_printf(MSG_DEBUG, "nl80211: Unprot Deauthenticate event");
|
|
||||||
else
|
|
||||||
wpa_printf(MSG_DEBUG, "nl80211: Unprot Disassociate event");
|
|
||||||
|
|
||||||
if (len < 24)
|
|
||||||
return;
|
|
||||||
|
|
||||||
mgmt = (const struct ieee80211_mgmt *) frame;
|
|
||||||
|
|
||||||
os_memset(&event, 0, sizeof(event));
|
|
||||||
/* Note: Same offset for Reason Code in both frame subtypes */
|
|
||||||
if (len >= 24 + sizeof(mgmt->u.deauth))
|
|
||||||
reason_code = le_to_host16(mgmt->u.deauth.reason_code);
|
|
||||||
|
|
||||||
if (type == EVENT_UNPROT_DISASSOC) {
|
|
||||||
event.unprot_disassoc.sa = mgmt->sa;
|
|
||||||
event.unprot_disassoc.da = mgmt->da;
|
|
||||||
event.unprot_disassoc.reason_code = reason_code;
|
|
||||||
} else {
|
|
||||||
event.unprot_deauth.sa = mgmt->sa;
|
|
||||||
event.unprot_deauth.da = mgmt->da;
|
|
||||||
event.unprot_deauth.reason_code = reason_code;
|
|
||||||
}
|
|
||||||
|
|
||||||
wpa_supplicant_event(drv->ctx, type, &event);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
static void mlme_event(struct i802_bss *bss,
|
|
||||||
enum nl80211_commands cmd, struct nlattr *frame,
|
|
||||||
struct nlattr *addr, struct nlattr *timed_out,
|
|
||||||
struct nlattr *freq, struct nlattr *ack,
|
|
||||||
struct nlattr *cookie, struct nlattr *sig)
|
|
||||||
{
|
|
||||||
struct wpa_driver_nl80211_data *drv = bss->drv;
|
|
||||||
const u8 *data;
|
|
||||||
size_t len;
|
|
||||||
|
|
||||||
if (timed_out && addr) {
|
|
||||||
mlme_timeout_event(drv, cmd, addr);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (frame == NULL) {
|
|
||||||
wpa_printf(MSG_DEBUG,
|
|
||||||
"nl80211: MLME event %d (%s) without frame data",
|
|
||||||
cmd, nl80211_command_to_string(cmd));
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
data = nla_data(frame);
|
|
||||||
len = nla_len(frame);
|
|
||||||
if (len < 4 + 2 * ETH_ALEN) {
|
|
||||||
wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s("
|
|
||||||
MACSTR ") - too short",
|
|
||||||
cmd, nl80211_command_to_string(cmd), bss->ifname,
|
|
||||||
MAC2STR(bss->addr));
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s(" MACSTR
|
|
||||||
") A1=" MACSTR " A2=" MACSTR, cmd,
|
|
||||||
nl80211_command_to_string(cmd), bss->ifname,
|
|
||||||
MAC2STR(bss->addr), MAC2STR(data + 4),
|
|
||||||
MAC2STR(data + 4 + ETH_ALEN));
|
|
||||||
if (cmd != NL80211_CMD_FRAME_TX_STATUS && !(data[4] & 0x01) &&
|
|
||||||
os_memcmp(bss->addr, data + 4, ETH_ALEN) != 0 &&
|
|
||||||
os_memcmp(bss->addr, data + 4 + ETH_ALEN, ETH_ALEN) != 0) {
|
|
||||||
wpa_printf(MSG_MSGDUMP, "nl80211: %s: Ignore MLME frame event "
|
|
||||||
"for foreign address", bss->ifname);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
wpa_hexdump(MSG_MSGDUMP, "nl80211: MLME event frame",
|
|
||||||
nla_data(frame), nla_len(frame));
|
|
||||||
|
|
||||||
switch (cmd) {
|
|
||||||
case NL80211_CMD_AUTHENTICATE:
|
|
||||||
mlme_event_auth(drv, nla_data(frame), nla_len(frame));
|
|
||||||
break;
|
|
||||||
case NL80211_CMD_ASSOCIATE:
|
|
||||||
mlme_event_assoc(drv, nla_data(frame), nla_len(frame));
|
|
||||||
break;
|
|
||||||
case NL80211_CMD_DEAUTHENTICATE:
|
|
||||||
mlme_event_deauth_disassoc(drv, EVENT_DEAUTH,
|
|
||||||
nla_data(frame), nla_len(frame));
|
|
||||||
break;
|
|
||||||
case NL80211_CMD_DISASSOCIATE:
|
|
||||||
mlme_event_deauth_disassoc(drv, EVENT_DISASSOC,
|
|
||||||
nla_data(frame), nla_len(frame));
|
|
||||||
break;
|
|
||||||
case NL80211_CMD_FRAME:
|
|
||||||
mlme_event_mgmt(bss, freq, sig, nla_data(frame),
|
|
||||||
nla_len(frame));
|
|
||||||
break;
|
|
||||||
case NL80211_CMD_FRAME_TX_STATUS:
|
|
||||||
mlme_event_mgmt_tx_status(drv, cookie, nla_data(frame),
|
|
||||||
nla_len(frame), ack);
|
|
||||||
break;
|
|
||||||
case NL80211_CMD_UNPROT_DEAUTHENTICATE:
|
|
||||||
mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DEAUTH,
|
|
||||||
nla_data(frame), nla_len(frame));
|
|
||||||
break;
|
|
||||||
case NL80211_CMD_UNPROT_DISASSOCIATE:
|
|
||||||
mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DISASSOC,
|
|
||||||
nla_data(frame), nla_len(frame));
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
static void mlme_event_michael_mic_failure(struct i802_bss *bss,
|
static void mlme_event_michael_mic_failure(struct i802_bss *bss,
|
||||||
struct nlattr *tb[])
|
struct nlattr *tb[])
|
||||||
{
|
{
|
||||||
|
|
|
||||||
|
|
@ -181,6 +181,7 @@ struct wpa_driver_nl80211_data {
|
||||||
};
|
};
|
||||||
|
|
||||||
struct nl_msg;
|
struct nl_msg;
|
||||||
|
struct nlattr;
|
||||||
|
|
||||||
int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss);
|
int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss);
|
||||||
void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
|
void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
|
||||||
|
|
@ -209,6 +210,7 @@ int nl80211_get_wiphy_index(struct i802_bss *bss);
|
||||||
int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
|
int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
|
||||||
enum nl80211_iftype nlmode);
|
enum nl80211_iftype nlmode);
|
||||||
void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx);
|
void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx);
|
||||||
|
const char * nl80211_command_to_string(enum nl80211_commands cmd);
|
||||||
|
|
||||||
int nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv);
|
int nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv);
|
||||||
void nl80211_remove_monitor_interface(struct wpa_driver_nl80211_data *drv);
|
void nl80211_remove_monitor_interface(struct wpa_driver_nl80211_data *drv);
|
||||||
|
|
@ -220,6 +222,27 @@ int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv);
|
||||||
struct hostapd_hw_modes *
|
struct hostapd_hw_modes *
|
||||||
nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags);
|
nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags);
|
||||||
|
|
||||||
|
void mlme_event_connect(struct wpa_driver_nl80211_data *drv,
|
||||||
|
enum nl80211_commands cmd, struct nlattr *status,
|
||||||
|
struct nlattr *addr, struct nlattr *req_ie,
|
||||||
|
struct nlattr *resp_ie,
|
||||||
|
struct nlattr *authorized,
|
||||||
|
struct nlattr *key_replay_ctr,
|
||||||
|
struct nlattr *ptk_kck,
|
||||||
|
struct nlattr *ptk_kek);
|
||||||
|
void mlme_event(struct i802_bss *bss,
|
||||||
|
enum nl80211_commands cmd, struct nlattr *frame,
|
||||||
|
struct nlattr *addr, struct nlattr *timed_out,
|
||||||
|
struct nlattr *freq, struct nlattr *ack,
|
||||||
|
struct nlattr *cookie, struct nlattr *sig);
|
||||||
|
void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
|
||||||
|
struct nlattr *ifindex, struct nlattr *freq,
|
||||||
|
struct nlattr *type, struct nlattr *bw,
|
||||||
|
struct nlattr *cf1, struct nlattr *cf2);
|
||||||
|
void mlme_event_disconnect(struct wpa_driver_nl80211_data *drv,
|
||||||
|
struct nlattr *reason, struct nlattr *addr,
|
||||||
|
struct nlattr *by_ap);
|
||||||
|
|
||||||
#ifdef ANDROID
|
#ifdef ANDROID
|
||||||
int android_nl_socket_set_nonblocking(struct nl_handle *handle);
|
int android_nl_socket_set_nonblocking(struct nl_handle *handle);
|
||||||
int android_genl_ctrl_resolve(struct nl_handle *handle, const char *name);
|
int android_genl_ctrl_resolve(struct nl_handle *handle, const char *name);
|
||||||
|
|
|
||||||
651
src/drivers/driver_nl80211_event.c
Normal file
651
src/drivers/driver_nl80211_event.c
Normal file
|
|
@ -0,0 +1,651 @@
|
||||||
|
/*
|
||||||
|
* Driver interaction with Linux nl80211/cfg80211 - Event processing
|
||||||
|
* Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi>
|
||||||
|
* Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
|
||||||
|
* Copyright (c) 2009-2010, Atheros Communications
|
||||||
|
*
|
||||||
|
* This software may be distributed under the terms of the BSD license.
|
||||||
|
* See README for more details.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "includes.h"
|
||||||
|
#include <netlink/genl/genl.h>
|
||||||
|
|
||||||
|
#include "utils/common.h"
|
||||||
|
#include "common/ieee802_11_defs.h"
|
||||||
|
#include "common/ieee802_11_common.h"
|
||||||
|
#include "driver_nl80211.h"
|
||||||
|
|
||||||
|
|
||||||
|
static void mlme_event_auth(struct wpa_driver_nl80211_data *drv,
|
||||||
|
const u8 *frame, size_t len)
|
||||||
|
{
|
||||||
|
const struct ieee80211_mgmt *mgmt;
|
||||||
|
union wpa_event_data event;
|
||||||
|
|
||||||
|
if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
|
||||||
|
drv->force_connect_cmd) {
|
||||||
|
/*
|
||||||
|
* Avoid reporting two association events that would confuse
|
||||||
|
* the core code.
|
||||||
|
*/
|
||||||
|
wpa_printf(MSG_DEBUG,
|
||||||
|
"nl80211: Ignore auth event when using driver SME");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: Authenticate event");
|
||||||
|
mgmt = (const struct ieee80211_mgmt *) frame;
|
||||||
|
if (len < 24 + sizeof(mgmt->u.auth)) {
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
|
||||||
|
"frame");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
os_memcpy(drv->auth_bssid, mgmt->sa, ETH_ALEN);
|
||||||
|
os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
|
||||||
|
os_memset(&event, 0, sizeof(event));
|
||||||
|
os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN);
|
||||||
|
event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg);
|
||||||
|
event.auth.auth_transaction =
|
||||||
|
le_to_host16(mgmt->u.auth.auth_transaction);
|
||||||
|
event.auth.status_code = le_to_host16(mgmt->u.auth.status_code);
|
||||||
|
if (len > 24 + sizeof(mgmt->u.auth)) {
|
||||||
|
event.auth.ies = mgmt->u.auth.variable;
|
||||||
|
event.auth.ies_len = len - 24 - sizeof(mgmt->u.auth);
|
||||||
|
}
|
||||||
|
|
||||||
|
wpa_supplicant_event(drv->ctx, EVENT_AUTH, &event);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv,
|
||||||
|
const u8 *frame, size_t len)
|
||||||
|
{
|
||||||
|
const struct ieee80211_mgmt *mgmt;
|
||||||
|
union wpa_event_data event;
|
||||||
|
u16 status;
|
||||||
|
|
||||||
|
if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
|
||||||
|
drv->force_connect_cmd) {
|
||||||
|
/*
|
||||||
|
* Avoid reporting two association events that would confuse
|
||||||
|
* the core code.
|
||||||
|
*/
|
||||||
|
wpa_printf(MSG_DEBUG,
|
||||||
|
"nl80211: Ignore assoc event when using driver SME");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: Associate event");
|
||||||
|
mgmt = (const struct ieee80211_mgmt *) frame;
|
||||||
|
if (len < 24 + sizeof(mgmt->u.assoc_resp)) {
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
|
||||||
|
"frame");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
status = le_to_host16(mgmt->u.assoc_resp.status_code);
|
||||||
|
if (status != WLAN_STATUS_SUCCESS) {
|
||||||
|
os_memset(&event, 0, sizeof(event));
|
||||||
|
event.assoc_reject.bssid = mgmt->bssid;
|
||||||
|
if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
|
||||||
|
event.assoc_reject.resp_ies =
|
||||||
|
(u8 *) mgmt->u.assoc_resp.variable;
|
||||||
|
event.assoc_reject.resp_ies_len =
|
||||||
|
len - 24 - sizeof(mgmt->u.assoc_resp);
|
||||||
|
}
|
||||||
|
event.assoc_reject.status_code = status;
|
||||||
|
|
||||||
|
wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
drv->associated = 1;
|
||||||
|
os_memcpy(drv->bssid, mgmt->sa, ETH_ALEN);
|
||||||
|
os_memcpy(drv->prev_bssid, mgmt->sa, ETH_ALEN);
|
||||||
|
|
||||||
|
os_memset(&event, 0, sizeof(event));
|
||||||
|
if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
|
||||||
|
event.assoc_info.resp_ies = (u8 *) mgmt->u.assoc_resp.variable;
|
||||||
|
event.assoc_info.resp_ies_len =
|
||||||
|
len - 24 - sizeof(mgmt->u.assoc_resp);
|
||||||
|
}
|
||||||
|
|
||||||
|
event.assoc_info.freq = drv->assoc_freq;
|
||||||
|
|
||||||
|
wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
void mlme_event_connect(struct wpa_driver_nl80211_data *drv,
|
||||||
|
enum nl80211_commands cmd, struct nlattr *status,
|
||||||
|
struct nlattr *addr, struct nlattr *req_ie,
|
||||||
|
struct nlattr *resp_ie,
|
||||||
|
struct nlattr *authorized,
|
||||||
|
struct nlattr *key_replay_ctr,
|
||||||
|
struct nlattr *ptk_kck,
|
||||||
|
struct nlattr *ptk_kek)
|
||||||
|
{
|
||||||
|
union wpa_event_data event;
|
||||||
|
|
||||||
|
if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
|
||||||
|
/*
|
||||||
|
* Avoid reporting two association events that would confuse
|
||||||
|
* the core code.
|
||||||
|
*/
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: Ignore connect event (cmd=%d) "
|
||||||
|
"when using userspace SME", cmd);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (cmd == NL80211_CMD_CONNECT)
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: Connect event");
|
||||||
|
else if (cmd == NL80211_CMD_ROAM)
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: Roam event");
|
||||||
|
|
||||||
|
os_memset(&event, 0, sizeof(event));
|
||||||
|
if (cmd == NL80211_CMD_CONNECT &&
|
||||||
|
nla_get_u16(status) != WLAN_STATUS_SUCCESS) {
|
||||||
|
if (addr)
|
||||||
|
event.assoc_reject.bssid = nla_data(addr);
|
||||||
|
if (resp_ie) {
|
||||||
|
event.assoc_reject.resp_ies = nla_data(resp_ie);
|
||||||
|
event.assoc_reject.resp_ies_len = nla_len(resp_ie);
|
||||||
|
}
|
||||||
|
event.assoc_reject.status_code = nla_get_u16(status);
|
||||||
|
wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
drv->associated = 1;
|
||||||
|
if (addr) {
|
||||||
|
os_memcpy(drv->bssid, nla_data(addr), ETH_ALEN);
|
||||||
|
os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (req_ie) {
|
||||||
|
event.assoc_info.req_ies = nla_data(req_ie);
|
||||||
|
event.assoc_info.req_ies_len = nla_len(req_ie);
|
||||||
|
}
|
||||||
|
if (resp_ie) {
|
||||||
|
event.assoc_info.resp_ies = nla_data(resp_ie);
|
||||||
|
event.assoc_info.resp_ies_len = nla_len(resp_ie);
|
||||||
|
}
|
||||||
|
|
||||||
|
event.assoc_info.freq = nl80211_get_assoc_freq(drv);
|
||||||
|
|
||||||
|
if (authorized && nla_get_u8(authorized)) {
|
||||||
|
event.assoc_info.authorized = 1;
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: connection authorized");
|
||||||
|
}
|
||||||
|
if (key_replay_ctr) {
|
||||||
|
event.assoc_info.key_replay_ctr = nla_data(key_replay_ctr);
|
||||||
|
event.assoc_info.key_replay_ctr_len = nla_len(key_replay_ctr);
|
||||||
|
}
|
||||||
|
if (ptk_kck) {
|
||||||
|
event.assoc_info.ptk_kck = nla_data(ptk_kck);
|
||||||
|
event.assoc_info.ptk_kck_len = nla_len(ptk_kek);
|
||||||
|
}
|
||||||
|
if (ptk_kek) {
|
||||||
|
event.assoc_info.ptk_kek = nla_data(ptk_kek);
|
||||||
|
event.assoc_info.ptk_kek_len = nla_len(ptk_kek);
|
||||||
|
}
|
||||||
|
|
||||||
|
wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
void mlme_event_disconnect(struct wpa_driver_nl80211_data *drv,
|
||||||
|
struct nlattr *reason, struct nlattr *addr,
|
||||||
|
struct nlattr *by_ap)
|
||||||
|
{
|
||||||
|
union wpa_event_data data;
|
||||||
|
unsigned int locally_generated = by_ap == NULL;
|
||||||
|
|
||||||
|
if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
|
||||||
|
/*
|
||||||
|
* Avoid reporting two disassociation events that could
|
||||||
|
* confuse the core code.
|
||||||
|
*/
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
|
||||||
|
"event when using userspace SME");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (drv->ignore_next_local_disconnect) {
|
||||||
|
drv->ignore_next_local_disconnect = 0;
|
||||||
|
if (locally_generated) {
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
|
||||||
|
"event triggered during reassociation");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
wpa_printf(MSG_WARNING, "nl80211: Was expecting local "
|
||||||
|
"disconnect but got another disconnect "
|
||||||
|
"event first");
|
||||||
|
}
|
||||||
|
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: Disconnect event");
|
||||||
|
nl80211_mark_disconnected(drv);
|
||||||
|
os_memset(&data, 0, sizeof(data));
|
||||||
|
if (reason)
|
||||||
|
data.deauth_info.reason_code = nla_get_u16(reason);
|
||||||
|
data.deauth_info.locally_generated = by_ap == NULL;
|
||||||
|
wpa_supplicant_event(drv->ctx, EVENT_DEAUTH, &data);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static int calculate_chan_offset(int width, int freq, int cf1, int cf2)
|
||||||
|
{
|
||||||
|
int freq1 = 0;
|
||||||
|
|
||||||
|
switch (convert2width(width)) {
|
||||||
|
case CHAN_WIDTH_20_NOHT:
|
||||||
|
case CHAN_WIDTH_20:
|
||||||
|
return 0;
|
||||||
|
case CHAN_WIDTH_40:
|
||||||
|
freq1 = cf1 - 10;
|
||||||
|
break;
|
||||||
|
case CHAN_WIDTH_80:
|
||||||
|
freq1 = cf1 - 30;
|
||||||
|
break;
|
||||||
|
case CHAN_WIDTH_160:
|
||||||
|
freq1 = cf1 - 70;
|
||||||
|
break;
|
||||||
|
case CHAN_WIDTH_UNKNOWN:
|
||||||
|
case CHAN_WIDTH_80P80:
|
||||||
|
/* FIXME: implement this */
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
return (abs(freq - freq1) / 20) % 2 == 0 ? 1 : -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
|
||||||
|
struct nlattr *ifindex, struct nlattr *freq,
|
||||||
|
struct nlattr *type, struct nlattr *bw,
|
||||||
|
struct nlattr *cf1, struct nlattr *cf2)
|
||||||
|
{
|
||||||
|
struct i802_bss *bss;
|
||||||
|
union wpa_event_data data;
|
||||||
|
int ht_enabled = 1;
|
||||||
|
int chan_offset = 0;
|
||||||
|
int ifidx;
|
||||||
|
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: Channel switch event");
|
||||||
|
|
||||||
|
if (!freq)
|
||||||
|
return;
|
||||||
|
|
||||||
|
ifidx = nla_get_u32(ifindex);
|
||||||
|
bss = get_bss_ifindex(drv, ifidx);
|
||||||
|
if (bss == NULL) {
|
||||||
|
wpa_printf(MSG_WARNING, "nl80211: Unknown ifindex (%d) for channel switch, ignoring",
|
||||||
|
ifidx);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (type) {
|
||||||
|
enum nl80211_channel_type ch_type = nla_get_u32(type);
|
||||||
|
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: Channel type: %d", ch_type);
|
||||||
|
switch (ch_type) {
|
||||||
|
case NL80211_CHAN_NO_HT:
|
||||||
|
ht_enabled = 0;
|
||||||
|
break;
|
||||||
|
case NL80211_CHAN_HT20:
|
||||||
|
break;
|
||||||
|
case NL80211_CHAN_HT40PLUS:
|
||||||
|
chan_offset = 1;
|
||||||
|
break;
|
||||||
|
case NL80211_CHAN_HT40MINUS:
|
||||||
|
chan_offset = -1;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
} else if (bw && cf1) {
|
||||||
|
/* This can happen for example with VHT80 ch switch */
|
||||||
|
chan_offset = calculate_chan_offset(nla_get_u32(bw),
|
||||||
|
nla_get_u32(freq),
|
||||||
|
nla_get_u32(cf1),
|
||||||
|
cf2 ? nla_get_u32(cf2) : 0);
|
||||||
|
} else {
|
||||||
|
wpa_printf(MSG_WARNING, "nl80211: Unknown secondary channel information - following channel definition calculations may fail");
|
||||||
|
}
|
||||||
|
|
||||||
|
os_memset(&data, 0, sizeof(data));
|
||||||
|
data.ch_switch.freq = nla_get_u32(freq);
|
||||||
|
data.ch_switch.ht_enabled = ht_enabled;
|
||||||
|
data.ch_switch.ch_offset = chan_offset;
|
||||||
|
if (bw)
|
||||||
|
data.ch_switch.ch_width = convert2width(nla_get_u32(bw));
|
||||||
|
if (cf1)
|
||||||
|
data.ch_switch.cf1 = nla_get_u32(cf1);
|
||||||
|
if (cf2)
|
||||||
|
data.ch_switch.cf2 = nla_get_u32(cf2);
|
||||||
|
|
||||||
|
bss->freq = data.ch_switch.freq;
|
||||||
|
|
||||||
|
wpa_supplicant_event(bss->ctx, EVENT_CH_SWITCH, &data);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv,
|
||||||
|
enum nl80211_commands cmd, struct nlattr *addr)
|
||||||
|
{
|
||||||
|
union wpa_event_data event;
|
||||||
|
enum wpa_event_type ev;
|
||||||
|
|
||||||
|
if (nla_len(addr) != ETH_ALEN)
|
||||||
|
return;
|
||||||
|
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: MLME event %d; timeout with " MACSTR,
|
||||||
|
cmd, MAC2STR((u8 *) nla_data(addr)));
|
||||||
|
|
||||||
|
if (cmd == NL80211_CMD_AUTHENTICATE)
|
||||||
|
ev = EVENT_AUTH_TIMED_OUT;
|
||||||
|
else if (cmd == NL80211_CMD_ASSOCIATE)
|
||||||
|
ev = EVENT_ASSOC_TIMED_OUT;
|
||||||
|
else
|
||||||
|
return;
|
||||||
|
|
||||||
|
os_memset(&event, 0, sizeof(event));
|
||||||
|
os_memcpy(event.timeout_event.addr, nla_data(addr), ETH_ALEN);
|
||||||
|
wpa_supplicant_event(drv->ctx, ev, &event);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static void mlme_event_mgmt(struct i802_bss *bss,
|
||||||
|
struct nlattr *freq, struct nlattr *sig,
|
||||||
|
const u8 *frame, size_t len)
|
||||||
|
{
|
||||||
|
struct wpa_driver_nl80211_data *drv = bss->drv;
|
||||||
|
const struct ieee80211_mgmt *mgmt;
|
||||||
|
union wpa_event_data event;
|
||||||
|
u16 fc, stype;
|
||||||
|
int ssi_signal = 0;
|
||||||
|
int rx_freq = 0;
|
||||||
|
|
||||||
|
wpa_printf(MSG_MSGDUMP, "nl80211: Frame event");
|
||||||
|
mgmt = (const struct ieee80211_mgmt *) frame;
|
||||||
|
if (len < 24) {
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: Too short management frame");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
fc = le_to_host16(mgmt->frame_control);
|
||||||
|
stype = WLAN_FC_GET_STYPE(fc);
|
||||||
|
|
||||||
|
if (sig)
|
||||||
|
ssi_signal = (s32) nla_get_u32(sig);
|
||||||
|
|
||||||
|
os_memset(&event, 0, sizeof(event));
|
||||||
|
if (freq) {
|
||||||
|
event.rx_mgmt.freq = nla_get_u32(freq);
|
||||||
|
rx_freq = drv->last_mgmt_freq = event.rx_mgmt.freq;
|
||||||
|
}
|
||||||
|
wpa_printf(MSG_DEBUG,
|
||||||
|
"nl80211: RX frame sa=" MACSTR
|
||||||
|
" freq=%d ssi_signal=%d stype=%u (%s) len=%u",
|
||||||
|
MAC2STR(mgmt->sa), rx_freq, ssi_signal, stype, fc2str(fc),
|
||||||
|
(unsigned int) len);
|
||||||
|
event.rx_mgmt.frame = frame;
|
||||||
|
event.rx_mgmt.frame_len = len;
|
||||||
|
event.rx_mgmt.ssi_signal = ssi_signal;
|
||||||
|
event.rx_mgmt.drv_priv = bss;
|
||||||
|
wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static void mlme_event_mgmt_tx_status(struct wpa_driver_nl80211_data *drv,
|
||||||
|
struct nlattr *cookie, const u8 *frame,
|
||||||
|
size_t len, struct nlattr *ack)
|
||||||
|
{
|
||||||
|
union wpa_event_data event;
|
||||||
|
const struct ieee80211_hdr *hdr;
|
||||||
|
u16 fc;
|
||||||
|
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: Frame TX status event");
|
||||||
|
if (!is_ap_interface(drv->nlmode)) {
|
||||||
|
u64 cookie_val;
|
||||||
|
|
||||||
|
if (!cookie)
|
||||||
|
return;
|
||||||
|
|
||||||
|
cookie_val = nla_get_u64(cookie);
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: Action TX status:"
|
||||||
|
" cookie=0%llx%s (ack=%d)",
|
||||||
|
(long long unsigned int) cookie_val,
|
||||||
|
cookie_val == drv->send_action_cookie ?
|
||||||
|
" (match)" : " (unknown)", ack != NULL);
|
||||||
|
if (cookie_val != drv->send_action_cookie)
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
hdr = (const struct ieee80211_hdr *) frame;
|
||||||
|
fc = le_to_host16(hdr->frame_control);
|
||||||
|
|
||||||
|
os_memset(&event, 0, sizeof(event));
|
||||||
|
event.tx_status.type = WLAN_FC_GET_TYPE(fc);
|
||||||
|
event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
|
||||||
|
event.tx_status.dst = hdr->addr1;
|
||||||
|
event.tx_status.data = frame;
|
||||||
|
event.tx_status.data_len = len;
|
||||||
|
event.tx_status.ack = ack != NULL;
|
||||||
|
wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv,
|
||||||
|
enum wpa_event_type type,
|
||||||
|
const u8 *frame, size_t len)
|
||||||
|
{
|
||||||
|
const struct ieee80211_mgmt *mgmt;
|
||||||
|
union wpa_event_data event;
|
||||||
|
const u8 *bssid = NULL;
|
||||||
|
u16 reason_code = 0;
|
||||||
|
|
||||||
|
if (type == EVENT_DEAUTH)
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: Deauthenticate event");
|
||||||
|
else
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: Disassociate event");
|
||||||
|
|
||||||
|
mgmt = (const struct ieee80211_mgmt *) frame;
|
||||||
|
if (len >= 24) {
|
||||||
|
bssid = mgmt->bssid;
|
||||||
|
|
||||||
|
if ((drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
|
||||||
|
!drv->associated &&
|
||||||
|
os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0 &&
|
||||||
|
os_memcmp(bssid, drv->auth_attempt_bssid, ETH_ALEN) != 0 &&
|
||||||
|
os_memcmp(bssid, drv->prev_bssid, ETH_ALEN) == 0) {
|
||||||
|
/*
|
||||||
|
* Avoid issues with some roaming cases where
|
||||||
|
* disconnection event for the old AP may show up after
|
||||||
|
* we have started connection with the new AP.
|
||||||
|
*/
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth/disassoc event from old AP " MACSTR " when already authenticating with " MACSTR,
|
||||||
|
MAC2STR(bssid),
|
||||||
|
MAC2STR(drv->auth_attempt_bssid));
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (drv->associated != 0 &&
|
||||||
|
os_memcmp(bssid, drv->bssid, ETH_ALEN) != 0 &&
|
||||||
|
os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0) {
|
||||||
|
/*
|
||||||
|
* We have presumably received this deauth as a
|
||||||
|
* response to a clear_state_mismatch() outgoing
|
||||||
|
* deauth. Don't let it take us offline!
|
||||||
|
*/
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: Deauth received "
|
||||||
|
"from Unknown BSSID " MACSTR " -- ignoring",
|
||||||
|
MAC2STR(bssid));
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
nl80211_mark_disconnected(drv);
|
||||||
|
os_memset(&event, 0, sizeof(event));
|
||||||
|
|
||||||
|
/* Note: Same offset for Reason Code in both frame subtypes */
|
||||||
|
if (len >= 24 + sizeof(mgmt->u.deauth))
|
||||||
|
reason_code = le_to_host16(mgmt->u.deauth.reason_code);
|
||||||
|
|
||||||
|
if (type == EVENT_DISASSOC) {
|
||||||
|
event.disassoc_info.locally_generated =
|
||||||
|
!os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
|
||||||
|
event.disassoc_info.addr = bssid;
|
||||||
|
event.disassoc_info.reason_code = reason_code;
|
||||||
|
if (frame + len > mgmt->u.disassoc.variable) {
|
||||||
|
event.disassoc_info.ie = mgmt->u.disassoc.variable;
|
||||||
|
event.disassoc_info.ie_len = frame + len -
|
||||||
|
mgmt->u.disassoc.variable;
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
if (drv->ignore_deauth_event) {
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event due to previous forced deauth-during-auth");
|
||||||
|
drv->ignore_deauth_event = 0;
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
event.deauth_info.locally_generated =
|
||||||
|
!os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
|
||||||
|
if (drv->ignore_next_local_deauth) {
|
||||||
|
drv->ignore_next_local_deauth = 0;
|
||||||
|
if (event.deauth_info.locally_generated) {
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event triggered due to own deauth request");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
wpa_printf(MSG_WARNING, "nl80211: Was expecting local deauth but got another disconnect event first");
|
||||||
|
}
|
||||||
|
event.deauth_info.addr = bssid;
|
||||||
|
event.deauth_info.reason_code = reason_code;
|
||||||
|
if (frame + len > mgmt->u.deauth.variable) {
|
||||||
|
event.deauth_info.ie = mgmt->u.deauth.variable;
|
||||||
|
event.deauth_info.ie_len = frame + len -
|
||||||
|
mgmt->u.deauth.variable;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
wpa_supplicant_event(drv->ctx, type, &event);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static void mlme_event_unprot_disconnect(struct wpa_driver_nl80211_data *drv,
|
||||||
|
enum wpa_event_type type,
|
||||||
|
const u8 *frame, size_t len)
|
||||||
|
{
|
||||||
|
const struct ieee80211_mgmt *mgmt;
|
||||||
|
union wpa_event_data event;
|
||||||
|
u16 reason_code = 0;
|
||||||
|
|
||||||
|
if (type == EVENT_UNPROT_DEAUTH)
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: Unprot Deauthenticate event");
|
||||||
|
else
|
||||||
|
wpa_printf(MSG_DEBUG, "nl80211: Unprot Disassociate event");
|
||||||
|
|
||||||
|
if (len < 24)
|
||||||
|
return;
|
||||||
|
|
||||||
|
mgmt = (const struct ieee80211_mgmt *) frame;
|
||||||
|
|
||||||
|
os_memset(&event, 0, sizeof(event));
|
||||||
|
/* Note: Same offset for Reason Code in both frame subtypes */
|
||||||
|
if (len >= 24 + sizeof(mgmt->u.deauth))
|
||||||
|
reason_code = le_to_host16(mgmt->u.deauth.reason_code);
|
||||||
|
|
||||||
|
if (type == EVENT_UNPROT_DISASSOC) {
|
||||||
|
event.unprot_disassoc.sa = mgmt->sa;
|
||||||
|
event.unprot_disassoc.da = mgmt->da;
|
||||||
|
event.unprot_disassoc.reason_code = reason_code;
|
||||||
|
} else {
|
||||||
|
event.unprot_deauth.sa = mgmt->sa;
|
||||||
|
event.unprot_deauth.da = mgmt->da;
|
||||||
|
event.unprot_deauth.reason_code = reason_code;
|
||||||
|
}
|
||||||
|
|
||||||
|
wpa_supplicant_event(drv->ctx, type, &event);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
void mlme_event(struct i802_bss *bss,
|
||||||
|
enum nl80211_commands cmd, struct nlattr *frame,
|
||||||
|
struct nlattr *addr, struct nlattr *timed_out,
|
||||||
|
struct nlattr *freq, struct nlattr *ack,
|
||||||
|
struct nlattr *cookie, struct nlattr *sig)
|
||||||
|
{
|
||||||
|
struct wpa_driver_nl80211_data *drv = bss->drv;
|
||||||
|
const u8 *data;
|
||||||
|
size_t len;
|
||||||
|
|
||||||
|
if (timed_out && addr) {
|
||||||
|
mlme_timeout_event(drv, cmd, addr);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (frame == NULL) {
|
||||||
|
wpa_printf(MSG_DEBUG,
|
||||||
|
"nl80211: MLME event %d (%s) without frame data",
|
||||||
|
cmd, nl80211_command_to_string(cmd));
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
data = nla_data(frame);
|
||||||
|
len = nla_len(frame);
|
||||||
|
if (len < 4 + 2 * ETH_ALEN) {
|
||||||
|
wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s("
|
||||||
|
MACSTR ") - too short",
|
||||||
|
cmd, nl80211_command_to_string(cmd), bss->ifname,
|
||||||
|
MAC2STR(bss->addr));
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s(" MACSTR
|
||||||
|
") A1=" MACSTR " A2=" MACSTR, cmd,
|
||||||
|
nl80211_command_to_string(cmd), bss->ifname,
|
||||||
|
MAC2STR(bss->addr), MAC2STR(data + 4),
|
||||||
|
MAC2STR(data + 4 + ETH_ALEN));
|
||||||
|
if (cmd != NL80211_CMD_FRAME_TX_STATUS && !(data[4] & 0x01) &&
|
||||||
|
os_memcmp(bss->addr, data + 4, ETH_ALEN) != 0 &&
|
||||||
|
os_memcmp(bss->addr, data + 4 + ETH_ALEN, ETH_ALEN) != 0) {
|
||||||
|
wpa_printf(MSG_MSGDUMP, "nl80211: %s: Ignore MLME frame event "
|
||||||
|
"for foreign address", bss->ifname);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
wpa_hexdump(MSG_MSGDUMP, "nl80211: MLME event frame",
|
||||||
|
nla_data(frame), nla_len(frame));
|
||||||
|
|
||||||
|
switch (cmd) {
|
||||||
|
case NL80211_CMD_AUTHENTICATE:
|
||||||
|
mlme_event_auth(drv, nla_data(frame), nla_len(frame));
|
||||||
|
break;
|
||||||
|
case NL80211_CMD_ASSOCIATE:
|
||||||
|
mlme_event_assoc(drv, nla_data(frame), nla_len(frame));
|
||||||
|
break;
|
||||||
|
case NL80211_CMD_DEAUTHENTICATE:
|
||||||
|
mlme_event_deauth_disassoc(drv, EVENT_DEAUTH,
|
||||||
|
nla_data(frame), nla_len(frame));
|
||||||
|
break;
|
||||||
|
case NL80211_CMD_DISASSOCIATE:
|
||||||
|
mlme_event_deauth_disassoc(drv, EVENT_DISASSOC,
|
||||||
|
nla_data(frame), nla_len(frame));
|
||||||
|
break;
|
||||||
|
case NL80211_CMD_FRAME:
|
||||||
|
mlme_event_mgmt(bss, freq, sig, nla_data(frame),
|
||||||
|
nla_len(frame));
|
||||||
|
break;
|
||||||
|
case NL80211_CMD_FRAME_TX_STATUS:
|
||||||
|
mlme_event_mgmt_tx_status(drv, cookie, nla_data(frame),
|
||||||
|
nla_len(frame), ack);
|
||||||
|
break;
|
||||||
|
case NL80211_CMD_UNPROT_DEAUTHENTICATE:
|
||||||
|
mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DEAUTH,
|
||||||
|
nla_data(frame), nla_len(frame));
|
||||||
|
break;
|
||||||
|
case NL80211_CMD_UNPROT_DISASSOCIATE:
|
||||||
|
mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DISASSOC,
|
||||||
|
nla_data(frame), nla_len(frame));
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -26,6 +26,7 @@ ifdef CONFIG_DRIVER_NL80211
|
||||||
DRV_CFLAGS += -DCONFIG_DRIVER_NL80211
|
DRV_CFLAGS += -DCONFIG_DRIVER_NL80211
|
||||||
DRV_OBJS += ../src/drivers/driver_nl80211.o
|
DRV_OBJS += ../src/drivers/driver_nl80211.o
|
||||||
DRV_OBJS += ../src/drivers/driver_nl80211_capa.o
|
DRV_OBJS += ../src/drivers/driver_nl80211_capa.o
|
||||||
|
DRV_OBJS += ../src/drivers/driver_nl80211_event.o
|
||||||
DRV_OBJS += ../src/drivers/driver_nl80211_monitor.o
|
DRV_OBJS += ../src/drivers/driver_nl80211_monitor.o
|
||||||
DRV_OBJS += ../src/utils/radiotap.o
|
DRV_OBJS += ../src/utils/radiotap.o
|
||||||
NEED_SME=y
|
NEED_SME=y
|
||||||
|
|
|
||||||
|
|
@ -22,6 +22,7 @@ DRV_CFLAGS += -DCONFIG_DRIVER_NL80211
|
||||||
DRV_OBJS += src/drivers/driver_nl80211.c
|
DRV_OBJS += src/drivers/driver_nl80211.c
|
||||||
DRV_OBJS += src/drivers/driver_nl80211_android.c
|
DRV_OBJS += src/drivers/driver_nl80211_android.c
|
||||||
DRV_OBJS += src/drivers/driver_nl80211_capa.c
|
DRV_OBJS += src/drivers/driver_nl80211_capa.c
|
||||||
|
DRV_OBJS += src/drivers/driver_nl80211_event.c
|
||||||
DRV_OBJS += src/drivers/driver_nl80211_monitor.c
|
DRV_OBJS += src/drivers/driver_nl80211_monitor.c
|
||||||
DRV_OBJS += src/utils/radiotap.c
|
DRV_OBJS += src/utils/radiotap.c
|
||||||
NEED_SME=y
|
NEED_SME=y
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue