wpa_printf(MSG_DEBUG, "DPP: Authentication Request from " MACSTR,
MAC2STR(src));
+#ifdef CONFIG_DPP2
+ wpas_dpp_chirp_stop(wpa_s);
+#endif /* CONFIG_DPP2 */
+
r_bootstrap = dpp_get_attr(buf, len, DPP_ATTR_R_BOOTSTRAP_KEY_HASH,
&r_bootstrap_len);
if (!r_bootstrap || r_bootstrap_len != SHA256_MAC_LEN) {
return res;
}
+
+static void wpas_dpp_remove_bi(void *ctx, struct dpp_bootstrap_info *bi)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+
+ if (bi == wpa_s->dpp_chirp_bi)
+ wpas_dpp_chirp_stop(wpa_s);
+}
+
#endif /* CONFIG_DPP2 */
config.cb_ctx = wpa_s;
#ifdef CONFIG_DPP2
config.process_conf_obj = wpas_dpp_process_conf_obj;
+ config.remove_bi = wpas_dpp_remove_bi;
#endif /* CONFIG_DPP2 */
wpa_s->dpp = dpp_global_init(&config);
return wpa_s->dpp ? 0 : -1;
eloop_cancel_timeout(wpas_dpp_conn_status_result_timeout, wpa_s, NULL);
dpp_pfs_free(wpa_s->dpp_pfs);
wpa_s->dpp_pfs = NULL;
+ wpas_dpp_chirp_stop(wpa_s);
#endif /* CONFIG_DPP2 */
offchannel_send_action_done(wpa_s);
wpas_dpp_listen_stop(wpa_s);
#ifdef CONFIG_DPP2
+
int wpas_dpp_controller_start(struct wpa_supplicant *wpa_s, const char *cmd)
{
struct dpp_controller_config config;
config.configurator_params = wpa_s->dpp_configurator_params;
return dpp_controller_start(wpa_s->dpp, &config);
}
+
+
+static void wpas_dpp_chirp_next(void *eloop_ctx, void *timeout_ctx);
+
+static void wpas_dpp_chirp_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+ struct wpa_supplicant *wpa_s = eloop_ctx;
+
+ wpa_printf(MSG_DEBUG, "DPP: No chirp response received");
+ offchannel_send_action_done(wpa_s);
+ wpas_dpp_chirp_next(wpa_s, NULL);
+}
+
+
+static void wpas_dpp_chirp_tx_status(struct wpa_supplicant *wpa_s,
+ unsigned int freq, const u8 *dst,
+ const u8 *src, const u8 *bssid,
+ const u8 *data, size_t data_len,
+ enum offchannel_send_action_result result)
+{
+ if (result == OFFCHANNEL_SEND_ACTION_FAILED) {
+ wpa_printf(MSG_DEBUG, "DPP: Failed to send chirp on %d MHz",
+ wpa_s->dpp_chirp_freq);
+ if (eloop_register_timeout(0, 0, wpas_dpp_chirp_next,
+ wpa_s, NULL) < 0)
+ wpas_dpp_chirp_stop(wpa_s);
+ return;
+ }
+
+ wpa_printf(MSG_DEBUG, "DPP: Chirp send completed - wait for response");
+ if (eloop_register_timeout(2, 0, wpas_dpp_chirp_timeout,
+ wpa_s, NULL) < 0)
+ wpas_dpp_chirp_stop(wpa_s);
+}
+
+
+static void wpas_dpp_chirp_start(struct wpa_supplicant *wpa_s)
+{
+ wpa_printf(MSG_DEBUG, "DPP: Chirp on %d MHz", wpa_s->dpp_chirp_freq);
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d",
+ MAC2STR(broadcast), wpa_s->dpp_chirp_freq,
+ DPP_PA_PRESENCE_ANNOUNCEMENT);
+ if (offchannel_send_action(
+ wpa_s, wpa_s->dpp_chirp_freq, broadcast,
+ wpa_s->own_addr, broadcast,
+ wpabuf_head(wpa_s->dpp_presence_announcement),
+ wpabuf_len(wpa_s->dpp_presence_announcement),
+ 2000, wpas_dpp_chirp_tx_status, 0) < 0)
+ wpas_dpp_chirp_stop(wpa_s);
+}
+
+
+static void wpas_dpp_chirp_scan_res_handler(struct wpa_supplicant *wpa_s,
+ struct wpa_scan_results *scan_res)
+{
+ struct dpp_bootstrap_info *bi = wpa_s->dpp_chirp_bi;
+ unsigned int i;
+ struct hostapd_hw_modes *mode;
+ int c;
+ struct wpa_bss *bss;
+
+ if (!bi)
+ return;
+
+ wpa_s->dpp_chirp_scan_done = 1;
+
+ os_free(wpa_s->dpp_chirp_freqs);
+ wpa_s->dpp_chirp_freqs = NULL;
+
+ /* Channels from own bootstrapping info */
+ for (i = 0; i < bi->num_freq; i++)
+ int_array_add_unique(&wpa_s->dpp_chirp_freqs, bi->freq[i]);
+
+ /* Preferred chirping channels */
+ int_array_add_unique(&wpa_s->dpp_chirp_freqs, 2437);
+
+ mode = get_mode(wpa_s->hw.modes, wpa_s->hw.num_modes,
+ HOSTAPD_MODE_IEEE80211A, 0);
+ if (mode) {
+ int chan44 = 0, chan149 = 0;
+
+ for (c = 0; c < mode->num_channels; c++) {
+ struct hostapd_channel_data *chan = &mode->channels[c];
+
+ if (chan->flag & (HOSTAPD_CHAN_DISABLED |
+ HOSTAPD_CHAN_RADAR))
+ continue;
+ if (chan->freq == 5220)
+ chan44 = 1;
+ if (chan->freq == 5745)
+ chan149 = 1;
+ }
+ if (chan149)
+ int_array_add_unique(&wpa_s->dpp_chirp_freqs, 5745);
+ else if (chan44)
+ int_array_add_unique(&wpa_s->dpp_chirp_freqs, 5220);
+ }
+
+ mode = get_mode(wpa_s->hw.modes, wpa_s->hw.num_modes,
+ HOSTAPD_MODE_IEEE80211AD, 0);
+ if (mode) {
+ for (c = 0; c < mode->num_channels; c++) {
+ struct hostapd_channel_data *chan = &mode->channels[c];
+
+ if ((chan->flag & (HOSTAPD_CHAN_DISABLED |
+ HOSTAPD_CHAN_RADAR)) ||
+ chan->freq != 60480)
+ continue;
+ int_array_add_unique(&wpa_s->dpp_chirp_freqs, 60480);
+ break;
+ }
+ }
+
+ /* Add channels from scan results for APs that advertise Configurator
+ * Connectivity element */
+ dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
+ if (wpa_bss_get_vendor_ie(bss, DPP_CC_IE_VENDOR_TYPE))
+ int_array_add_unique(&wpa_s->dpp_chirp_freqs,
+ bss->freq);
+ }
+
+ if (!wpa_s->dpp_chirp_freqs ||
+ eloop_register_timeout(0, 0, wpas_dpp_chirp_next, wpa_s, NULL) < 0)
+ wpas_dpp_chirp_stop(wpa_s);
+}
+
+
+static void wpas_dpp_chirp_next(void *eloop_ctx, void *timeout_ctx)
+{
+ struct wpa_supplicant *wpa_s = eloop_ctx;
+ int i;
+
+ if (wpa_s->dpp_chirp_listen)
+ wpas_dpp_listen_stop(wpa_s);
+
+ if (wpa_s->dpp_chirp_freq == 0) {
+ if (wpa_s->dpp_chirp_round % 4 == 0 &&
+ !wpa_s->dpp_chirp_scan_done) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Update channel list for chirping");
+ wpa_s->scan_req = MANUAL_SCAN_REQ;
+ wpa_s->scan_res_handler =
+ wpas_dpp_chirp_scan_res_handler;
+ wpa_supplicant_req_scan(wpa_s, 0, 0);
+ return;
+ }
+ wpa_s->dpp_chirp_freq = wpa_s->dpp_chirp_freqs[0];
+ wpa_s->dpp_chirp_round++;
+ wpa_printf(MSG_DEBUG, "DPP: Start chirping round %d",
+ wpa_s->dpp_chirp_round);
+ } else {
+ for (i = 0; wpa_s->dpp_chirp_freqs[i]; i++)
+ if (wpa_s->dpp_chirp_freqs[i] == wpa_s->dpp_chirp_freq)
+ break;
+ if (!wpa_s->dpp_chirp_freqs[i]) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Previous chirp freq %d not found",
+ wpa_s->dpp_chirp_freq);
+ return;
+ }
+ i++;
+ if (wpa_s->dpp_chirp_freqs[i]) {
+ wpa_s->dpp_chirp_freq = wpa_s->dpp_chirp_freqs[i];
+ } else {
+ wpa_s->dpp_chirp_iter--;
+ if (wpa_s->dpp_chirp_iter <= 0) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Chirping iterations completed");
+ wpas_dpp_chirp_stop(wpa_s);
+ return;
+ }
+ wpa_s->dpp_chirp_freq = 0;
+ wpa_s->dpp_chirp_scan_done = 0;
+ if (eloop_register_timeout(30, 0, wpas_dpp_chirp_next,
+ wpa_s, NULL) < 0) {
+ wpas_dpp_chirp_stop(wpa_s);
+ return;
+ }
+ if (wpa_s->dpp_chirp_listen) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Listen on %d MHz during chirp 30 second wait",
+ wpa_s->dpp_chirp_listen);
+ wpas_dpp_listen_start(wpa_s,
+ wpa_s->dpp_chirp_listen);
+ } else {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Wait 30 seconds before starting the next chirping round");
+ }
+ return;
+ }
+ }
+
+ wpas_dpp_chirp_start(wpa_s);
+}
+
+
+int wpas_dpp_chirp(struct wpa_supplicant *wpa_s, const char *cmd)
+{
+ const char *pos;
+ int iter = 1, listen_freq = 0;
+ struct dpp_bootstrap_info *bi;
+
+ pos = os_strstr(cmd, " own=");
+ if (!pos)
+ return -1;
+ pos += 5;
+ bi = dpp_bootstrap_get_id(wpa_s->dpp, atoi(pos));
+ if (!bi) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Identified bootstrap info not found");
+ return -1;
+ }
+
+ pos = os_strstr(cmd, " iter=");
+ if (pos) {
+ iter = atoi(pos + 6);
+ if (iter <= 0)
+ return -1;
+ }
+
+ pos = os_strstr(cmd, " listen=");
+ if (pos) {
+ listen_freq = atoi(pos + 8);
+ if (iter <= 0)
+ return -1;
+ }
+
+ wpas_dpp_chirp_stop(wpa_s);
+ wpa_s->dpp_allowed_roles = DPP_CAPAB_ENROLLEE;
+ wpa_s->dpp_chirp_bi = bi;
+ wpa_s->dpp_presence_announcement = dpp_build_presence_announcement(bi);
+ if (!wpa_s->dpp_presence_announcement)
+ return -1;
+ wpa_s->dpp_chirp_iter = iter;
+ wpa_s->dpp_chirp_round = 0;
+ wpa_s->dpp_chirp_scan_done = 0;
+ wpa_s->dpp_chirp_listen = listen_freq;
+
+ return eloop_register_timeout(0, 0, wpas_dpp_chirp_next, wpa_s, NULL);
+}
+
+
+void wpas_dpp_chirp_stop(struct wpa_supplicant *wpa_s)
+{
+ if (wpa_s->dpp_presence_announcement) {
+ offchannel_send_action_done(wpa_s);
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CHIRP_STOPPED);
+ }
+ wpa_s->dpp_chirp_bi = NULL;
+ wpabuf_free(wpa_s->dpp_presence_announcement);
+ wpa_s->dpp_presence_announcement = NULL;
+ if (wpa_s->dpp_chirp_listen)
+ wpas_dpp_listen_stop(wpa_s);
+ wpa_s->dpp_chirp_listen = 0;
+ wpa_s->dpp_chirp_freq = 0;
+ os_free(wpa_s->dpp_chirp_freqs);
+ wpa_s->dpp_chirp_freqs = NULL;
+ eloop_cancel_timeout(wpas_dpp_chirp_next, wpa_s, NULL);
+ eloop_cancel_timeout(wpas_dpp_chirp_timeout, wpa_s, NULL);
+ if (wpa_s->scan_res_handler == wpas_dpp_chirp_scan_res_handler) {
+ wpas_abort_ongoing_scan(wpa_s);
+ wpa_s->scan_res_handler = NULL;
+ }
+}
+
#endif /* CONFIG_DPP2 */
projects / thirdparty / hostap.git / commitdiff
