/*
* wpa_supplicant - DPP
* Copyright (c) 2017, Qualcomm Atheros, Inc.
- * Copyright (c) 2018-2019, The Linux Foundation
+ * Copyright (c) 2018-2020, The Linux Foundation
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
}
+/**
+ * wpas_dpp_nfc_uri - Parse and add DPP bootstrapping info from NFC Tag (URI)
+ * @wpa_s: Pointer to wpa_supplicant data
+ * @cmd: DPP URI read from a NFC Tag (URI NDEF message)
+ * Returns: Identifier of the stored info or -1 on failure
+ */
+int wpas_dpp_nfc_uri(struct wpa_supplicant *wpa_s, const char *cmd)
+{
+ struct dpp_bootstrap_info *bi;
+
+ bi = dpp_add_nfc_uri(wpa_s->dpp, cmd);
+ if (!bi)
+ return -1;
+
+ return bi->id;
+}
+
+
+int wpas_dpp_nfc_handover_req(struct wpa_supplicant *wpa_s, const char *cmd)
+{
+ const char *pos;
+ struct dpp_bootstrap_info *peer_bi, *own_bi;
+
+ pos = os_strstr(cmd, " own=");
+ if (!pos)
+ return -1;
+ pos += 5;
+ own_bi = dpp_bootstrap_get_id(wpa_s->dpp, atoi(pos));
+ if (!own_bi)
+ return -1;
+
+ pos = os_strstr(cmd, " uri=");
+ if (!pos)
+ return -1;
+ pos += 5;
+ peer_bi = dpp_add_nfc_uri(wpa_s->dpp, pos);
+ if (!peer_bi) {
+ wpa_printf(MSG_INFO,
+ "DPP: Failed to parse URI from NFC Handover Request");
+ return -1;
+ }
+
+ if (dpp_nfc_update_bi(own_bi, peer_bi) < 0)
+ return -1;
+
+ return peer_bi->id;
+}
+
+
+int wpas_dpp_nfc_handover_sel(struct wpa_supplicant *wpa_s, const char *cmd)
+{
+ const char *pos;
+ struct dpp_bootstrap_info *peer_bi, *own_bi;
+
+ pos = os_strstr(cmd, " own=");
+ if (!pos)
+ return -1;
+ pos += 5;
+ own_bi = dpp_bootstrap_get_id(wpa_s->dpp, atoi(pos));
+ if (!own_bi)
+ return -1;
+
+ pos = os_strstr(cmd, " uri=");
+ if (!pos)
+ return -1;
+ pos += 5;
+ peer_bi = dpp_add_nfc_uri(wpa_s->dpp, pos);
+ if (!peer_bi) {
+ wpa_printf(MSG_INFO,
+ "DPP: Failed to parse URI from NFC Handover Select");
+ return -1;
+ }
+
+ if (peer_bi->curve != own_bi->curve) {
+ wpa_printf(MSG_INFO,
+ "DPP: Peer (NFC Handover Selector) used different curve");
+ return -1;
+ }
+
+ return peer_bi->id;
+}
+
+
static void wpas_dpp_auth_resp_retry_timeout(void *eloop_ctx, void *timeout_ctx)
{
struct wpa_supplicant *wpa_s = eloop_ctx;
result = DPP_STATUS_NO_AP;
else
result = 255; /* What to report here for unexpected state? */
+ if (wpa_s->wpa_state == WPA_SCANNING)
+ wpas_abort_ongoing_scan(wpa_s);
wpas_dpp_send_conn_status_result(wpa_s, result);
}
pos = os_strstr(cmd, " netrole=");
if (pos) {
pos += 9;
- wpa_s->dpp_netrole_ap = os_strncmp(pos, "ap", 2) == 0;
+ if (os_strncmp(pos, "ap", 2) == 0)
+ wpa_s->dpp_netrole = DPP_NETROLE_AP;
+ else if (os_strncmp(pos, "configurator", 12) == 0)
+ wpa_s->dpp_netrole = DPP_NETROLE_CONFIGURATOR;
+ else
+ wpa_s->dpp_netrole = DPP_NETROLE_STA;
+ } else {
+ wpa_s->dpp_netrole = DPP_NETROLE_STA;
}
pos = os_strstr(cmd, " neg_freq=");
wpa_s->dpp_auth = NULL;
}
- auth = dpp_auth_init(wpa_s, peer_bi, own_bi, allowed_roles, neg_freq,
- wpa_s->hw.modes, wpa_s->hw.num_modes);
+ auth = dpp_auth_init(wpa_s->dpp, wpa_s, peer_bi, own_bi, allowed_roles,
+ neg_freq, wpa_s->hw.modes, wpa_s->hw.num_modes);
if (!auth)
goto fail;
wpas_dpp_set_testing_options(wpa_s, auth);
- if (dpp_set_configurator(wpa_s->dpp, wpa_s, auth, cmd) < 0) {
+ if (dpp_set_configurator(auth, cmd) < 0) {
dpp_auth_deinit(auth);
goto fail;
}
wpa_s->dpp_allowed_roles = DPP_CAPAB_CONFIGURATOR |
DPP_CAPAB_ENROLLEE;
wpa_s->dpp_qr_mutual = os_strstr(cmd, " qr=mutual") != NULL;
- wpa_s->dpp_netrole_ap = os_strstr(cmd, " netrole=ap") != NULL;
+ if (os_strstr(cmd, " netrole=ap"))
+ wpa_s->dpp_netrole = DPP_NETROLE_AP;
+ else if (os_strstr(cmd, " netrole=configurator"))
+ wpa_s->dpp_netrole = DPP_NETROLE_CONFIGURATOR;
+ else
+ wpa_s->dpp_netrole = DPP_NETROLE_STA;
if (wpa_s->dpp_listen_freq == (unsigned int) freq) {
wpa_printf(MSG_DEBUG, "DPP: Already listening on %u MHz",
freq);
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) {
wpa_s->dpp_gas_client = 0;
wpa_s->dpp_auth_ok_on_ack = 0;
- wpa_s->dpp_auth = dpp_auth_req_rx(wpa_s, wpa_s->dpp_allowed_roles,
+ wpa_s->dpp_auth = dpp_auth_req_rx(wpa_s->dpp, wpa_s,
+ wpa_s->dpp_allowed_roles,
wpa_s->dpp_qr_mutual,
peer_bi, own_bi, freq, hdr, buf, len);
if (!wpa_s->dpp_auth) {
return;
}
wpas_dpp_set_testing_options(wpa_s, wpa_s->dpp_auth);
- if (dpp_set_configurator(wpa_s->dpp, wpa_s, wpa_s->dpp_auth,
+ if (dpp_set_configurator(wpa_s->dpp_auth,
wpa_s->dpp_configurator_params) < 0) {
dpp_auth_deinit(wpa_s->dpp_auth);
wpa_s->dpp_auth = NULL;
static struct wpa_ssid * wpas_dpp_add_network(struct wpa_supplicant *wpa_s,
- struct dpp_authentication *auth)
+ struct dpp_authentication *auth,
+ struct dpp_config_obj *conf)
{
struct wpa_ssid *ssid;
#ifdef CONFIG_DPP2
- if (auth->akm == DPP_AKM_SAE) {
+ if (conf->akm == DPP_AKM_SAE) {
#ifdef CONFIG_SAE
struct wpa_driver_capa capa;
int res;
wpa_config_set_network_defaults(ssid);
ssid->disabled = 1;
- ssid->ssid = os_malloc(auth->ssid_len);
+ ssid->ssid = os_malloc(conf->ssid_len);
if (!ssid->ssid)
goto fail;
- os_memcpy(ssid->ssid, auth->ssid, auth->ssid_len);
- ssid->ssid_len = auth->ssid_len;
+ os_memcpy(ssid->ssid, conf->ssid, conf->ssid_len);
+ ssid->ssid_len = conf->ssid_len;
- if (auth->connector) {
- ssid->key_mgmt = WPA_KEY_MGMT_DPP;
- ssid->ieee80211w = MGMT_FRAME_PROTECTION_REQUIRED;
- ssid->dpp_connector = os_strdup(auth->connector);
+ if (conf->connector) {
+ if (dpp_akm_dpp(conf->akm)) {
+ ssid->key_mgmt = WPA_KEY_MGMT_DPP;
+ ssid->ieee80211w = MGMT_FRAME_PROTECTION_REQUIRED;
+ }
+ ssid->dpp_connector = os_strdup(conf->connector);
if (!ssid->dpp_connector)
goto fail;
}
- if (auth->c_sign_key) {
- ssid->dpp_csign = os_malloc(wpabuf_len(auth->c_sign_key));
+ if (conf->c_sign_key) {
+ ssid->dpp_csign = os_malloc(wpabuf_len(conf->c_sign_key));
if (!ssid->dpp_csign)
goto fail;
- os_memcpy(ssid->dpp_csign, wpabuf_head(auth->c_sign_key),
- wpabuf_len(auth->c_sign_key));
- ssid->dpp_csign_len = wpabuf_len(auth->c_sign_key);
+ os_memcpy(ssid->dpp_csign, wpabuf_head(conf->c_sign_key),
+ wpabuf_len(conf->c_sign_key));
+ ssid->dpp_csign_len = wpabuf_len(conf->c_sign_key);
}
if (auth->net_access_key) {
ssid->dpp_netaccesskey_expiry = auth->net_access_key_expiry;
}
- if (!auth->connector || dpp_akm_psk(auth->akm) ||
- dpp_akm_sae(auth->akm)) {
- if (!auth->connector)
+ if (!conf->connector || dpp_akm_psk(conf->akm) ||
+ dpp_akm_sae(conf->akm)) {
+ if (!conf->connector || !dpp_akm_dpp(conf->akm))
ssid->key_mgmt = 0;
- if (dpp_akm_psk(auth->akm))
+ if (dpp_akm_psk(conf->akm))
ssid->key_mgmt |= WPA_KEY_MGMT_PSK |
WPA_KEY_MGMT_PSK_SHA256 | WPA_KEY_MGMT_FT_PSK;
- if (dpp_akm_sae(auth->akm))
+ if (dpp_akm_sae(conf->akm))
ssid->key_mgmt |= WPA_KEY_MGMT_SAE |
WPA_KEY_MGMT_FT_SAE;
ssid->ieee80211w = MGMT_FRAME_PROTECTION_OPTIONAL;
- if (auth->passphrase[0]) {
+ if (conf->passphrase[0]) {
if (wpa_config_set_quoted(ssid, "psk",
- auth->passphrase) < 0)
+ conf->passphrase) < 0)
goto fail;
wpa_config_update_psk(ssid);
ssid->export_keys = 1;
} else {
- ssid->psk_set = auth->psk_set;
- os_memcpy(ssid->psk, auth->psk, PMK_LEN);
+ ssid->psk_set = conf->psk_set;
+ os_memcpy(ssid->psk, conf->psk, PMK_LEN);
}
}
- os_memcpy(wpa_s->dpp_last_ssid, auth->ssid, auth->ssid_len);
- wpa_s->dpp_last_ssid_len = auth->ssid_len;
+ os_memcpy(wpa_s->dpp_last_ssid, conf->ssid, conf->ssid_len);
+ wpa_s->dpp_last_ssid_len = conf->ssid_len;
return ssid;
fail:
static int wpas_dpp_process_config(struct wpa_supplicant *wpa_s,
- struct dpp_authentication *auth)
+ struct dpp_authentication *auth,
+ struct dpp_config_obj *conf)
{
struct wpa_ssid *ssid;
if (wpa_s->conf->dpp_config_processing < 1)
return 0;
- ssid = wpas_dpp_add_network(wpa_s, auth);
+ ssid = wpas_dpp_add_network(wpa_s, auth, conf);
if (!ssid)
return -1;
wpa_printf(MSG_DEBUG, "DPP: Failed to update configuration");
#endif /* CONFIG_NO_CONFIG_WRITE */
+ return 0;
+}
+
+
+static void wpas_dpp_post_process_config(struct wpa_supplicant *wpa_s,
+ struct dpp_authentication *auth)
+{
if (wpa_s->conf->dpp_config_processing < 2)
- return 0;
+ return;
#ifdef CONFIG_DPP2
if (auth->peer_version >= 2) {
wpa_printf(MSG_DEBUG,
"DPP: Postpone connection attempt to wait for completion of DPP Configuration Result");
auth->connect_on_tx_status = 1;
- return 0;
+ return;
}
#endif /* CONFIG_DPP2 */
wpas_dpp_try_to_connect(wpa_s);
- return 0;
}
static int wpas_dpp_handle_config_obj(struct wpa_supplicant *wpa_s,
- struct dpp_authentication *auth)
+ struct dpp_authentication *auth,
+ struct dpp_config_obj *conf)
{
wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_RECEIVED);
- if (auth->ssid_len)
+ if (conf->ssid_len)
wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONFOBJ_SSID "%s",
- wpa_ssid_txt(auth->ssid, auth->ssid_len));
- if (auth->connector) {
+ wpa_ssid_txt(conf->ssid, conf->ssid_len));
+ if (conf->ssid_charset)
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONFOBJ_SSID_CHARSET "%d",
+ conf->ssid_charset);
+ if (conf->connector) {
/* TODO: Save the Connector and consider using a command
* to fetch the value instead of sending an event with
* it. The Connector could end up being larger than what
* most clients are ready to receive as an event
* message. */
wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONNECTOR "%s",
- auth->connector);
+ conf->connector);
}
- if (auth->c_sign_key) {
+ if (conf->c_sign_key) {
char *hex;
size_t hexlen;
- hexlen = 2 * wpabuf_len(auth->c_sign_key) + 1;
+ hexlen = 2 * wpabuf_len(conf->c_sign_key) + 1;
hex = os_malloc(hexlen);
if (hex) {
wpa_snprintf_hex(hex, hexlen,
- wpabuf_head(auth->c_sign_key),
- wpabuf_len(auth->c_sign_key));
+ wpabuf_head(conf->c_sign_key),
+ wpabuf_len(conf->c_sign_key));
wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_C_SIGN_KEY "%s",
hex);
os_free(hex);
}
}
- return wpas_dpp_process_config(wpa_s, auth);
+ return wpas_dpp_process_config(wpa_s, auth, conf);
+}
+
+
+static int wpas_dpp_handle_key_pkg(struct wpa_supplicant *wpa_s,
+ struct dpp_asymmetric_key *key)
+{
+#ifdef CONFIG_DPP2
+ int res;
+
+ if (!key)
+ return 0;
+
+ wpa_printf(MSG_DEBUG, "DPP: Received Configurator backup");
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_RECEIVED);
+
+ while (key) {
+ res = dpp_configurator_from_backup(wpa_s->dpp, key);
+ if (res < 0)
+ return -1;
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONFIGURATOR_ID "%d",
+ res);
+ key = key->next;
+ }
+#endif /* CONFIG_DPP2 */
+
+ return 0;
}
struct dpp_authentication *auth = wpa_s->dpp_auth;
int res;
enum dpp_status_error status = DPP_STATUS_CONFIG_REJECTED;
+ unsigned int i;
wpa_s->dpp_gas_dialog_token = -1;
goto fail;
}
- res = wpas_dpp_handle_config_obj(wpa_s, auth);
- if (res < 0)
+ for (i = 0; i < auth->num_conf_obj; i++) {
+ res = wpas_dpp_handle_config_obj(wpa_s, auth,
+ &auth->conf_obj[i]);
+ if (res < 0)
+ goto fail;
+ }
+ if (auth->num_conf_obj)
+ wpas_dpp_post_process_config(wpa_s, auth);
+ if (wpas_dpp_handle_key_pkg(wpa_s, auth->conf_key_pkg) < 0)
goto fail;
status = DPP_STATUS_OK;
struct dpp_authentication *auth = wpa_s->dpp_auth;
struct wpabuf *buf;
int res;
+ int *supp_op_classes;
wpa_s->dpp_gas_client = 1;
offchannel_send_action_done(wpa_s);
wpas_dpp_listen_stop(wpa_s);
+ supp_op_classes = wpas_supp_op_classes(wpa_s);
buf = dpp_build_conf_req_helper(auth, wpa_s->conf->dpp_name,
- wpa_s->dpp_netrole_ap,
- wpa_s->conf->dpp_mud_url);
+ wpa_s->dpp_netrole,
+ wpa_s->conf->dpp_mud_url,
+ supp_op_classes);
+ os_free(supp_op_classes);
if (!buf) {
wpa_printf(MSG_DEBUG,
"DPP: No configuration request data available");
struct dpp_authentication *auth)
{
struct wpa_supplicant *wpa_s = ctx;
+ unsigned int i;
+ int res = -1;
+
+ for (i = 0; i < auth->num_conf_obj; i++) {
+ res = wpas_dpp_handle_config_obj(wpa_s, auth,
+ &auth->conf_obj[i]);
+ if (res)
+ break;
+ }
+ if (!res)
+ wpas_dpp_post_process_config(wpa_s, auth);
+
+ 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);
+}
+
+
+static void
+wpas_dpp_rx_presence_announcement(struct wpa_supplicant *wpa_s, const u8 *src,
+ const u8 *hdr, const u8 *buf, size_t len,
+ unsigned int freq)
+{
+ const u8 *r_bootstrap;
+ u16 r_bootstrap_len;
+ struct dpp_bootstrap_info *peer_bi;
+ struct dpp_authentication *auth;
+
+ if (!wpa_s->dpp)
+ return;
+
+ if (wpa_s->dpp_auth) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Ignore Presence Announcement during ongoing Authentication");
+ return;
+ }
+
+ wpa_printf(MSG_DEBUG, "DPP: Presence Announcement from " MACSTR,
+ MAC2STR(src));
+
+ 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) {
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL
+ "Missing or invalid required Responder Bootstrapping Key Hash attribute");
+ return;
+ }
+ wpa_hexdump(MSG_MSGDUMP, "DPP: Responder Bootstrapping Key Hash",
+ r_bootstrap, r_bootstrap_len);
+ peer_bi = dpp_bootstrap_find_chirp(wpa_s->dpp, r_bootstrap);
+ if (!peer_bi) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: No matching bootstrapping information found");
+ return;
+ }
+
+ auth = dpp_auth_init(wpa_s->dpp, wpa_s, peer_bi, NULL,
+ DPP_CAPAB_CONFIGURATOR, freq, NULL, 0);
+ if (!auth)
+ return;
+ wpas_dpp_set_testing_options(wpa_s, auth);
+ if (dpp_set_configurator(auth, wpa_s->dpp_configurator_params) < 0) {
+ dpp_auth_deinit(auth);
+ return;
+ }
- return wpas_dpp_handle_config_obj(wpa_s, auth);
+ auth->neg_freq = freq;
+
+ if (!is_zero_ether_addr(peer_bi->mac_addr))
+ os_memcpy(auth->peer_mac_addr, peer_bi->mac_addr, ETH_ALEN);
+
+ wpa_s->dpp_auth = auth;
+ if (wpas_dpp_auth_init_next(wpa_s) < 0) {
+ dpp_auth_deinit(wpa_s->dpp_auth);
+ wpa_s->dpp_auth = NULL;
+ }
}
#endif /* CONFIG_DPP2 */
if (wpas_dpp_auth_init(wpa_s, cmd) < 0) {
wpa_printf(MSG_DEBUG,
"DPP: Authentication initialization failed");
+ offchannel_send_action_done(wpa_s);
return;
}
}
case DPP_PA_CONNECTION_STATUS_RESULT:
wpas_dpp_rx_conn_status_result(wpa_s, src, hdr, buf, len);
break;
+ case DPP_PA_PRESENCE_ANNOUNCEMENT:
+ wpas_dpp_rx_presence_announcement(wpa_s, src, hdr, buf, len,
+ freq);
+ break;
#endif /* CONFIG_DPP2 */
default:
wpa_printf(MSG_DEBUG,
int ret = -1;
char *curve = NULL;
- auth = os_zalloc(sizeof(*auth));
+ auth = dpp_alloc_auth(wpa_s->dpp, wpa_s);
if (!auth)
return -1;
curve = get_param(cmd, " curve=");
wpas_dpp_set_testing_options(wpa_s, auth);
- if (dpp_set_configurator(wpa_s->dpp, wpa_s, auth, cmd) == 0 &&
+ if (dpp_set_configurator(auth, cmd) == 0 &&
dpp_configurator_own_config(auth, curve, 0) == 0)
- ret = wpas_dpp_handle_config_obj(wpa_s, auth);
+ ret = wpas_dpp_handle_config_obj(wpa_s, auth,
+ &auth->conf_obj[0]);
+ if (!ret)
+ wpas_dpp_post_process_config(wpa_s, auth);
dpp_auth_deinit(auth);
os_free(curve);
void wpas_dpp_stop(struct wpa_supplicant *wpa_s)
{
+ if (wpa_s->dpp_auth || wpa_s->dpp_pkex)
+ offchannel_send_action_done(wpa_s);
dpp_auth_deinit(wpa_s->dpp_auth);
wpa_s->dpp_auth = NULL;
dpp_pkex_free(wpa_s->dpp_pkex);
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_qr_mutual = 0;
+ 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 / blobdiff