/*
* wpa_supplicant - DPP
* Copyright (c) 2017, Qualcomm Atheros, Inc.
+ * Copyright (c) 2018-2019, The Linux Foundation
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
#include "utils/common.h"
#include "utils/eloop.h"
+#include "utils/ip_addr.h"
#include "common/dpp.h"
+#include "common/gas.h"
+#include "common/gas_server.h"
+#include "rsn_supp/wpa.h"
+#include "rsn_supp/pmksa_cache.h"
#include "wpa_supplicant_i.h"
+#include "config.h"
#include "driver_i.h"
#include "offchannel.h"
+#include "gas_query.h"
+#include "bss.h"
+#include "scan.h"
+#include "notify.h"
#include "dpp_supplicant.h"
static int wpas_dpp_listen_start(struct wpa_supplicant *wpa_s,
unsigned int freq);
+static void wpas_dpp_reply_wait_timeout(void *eloop_ctx, void *timeout_ctx);
+static void wpas_dpp_auth_success(struct wpa_supplicant *wpa_s, int initiator);
static void wpas_dpp_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);
+static void wpas_dpp_init_timeout(void *eloop_ctx, void *timeout_ctx);
+static int wpas_dpp_auth_init_next(struct wpa_supplicant *wpa_s);
+static void
+wpas_dpp_tx_pkex_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);
static const u8 broadcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
-
-static unsigned int wpas_dpp_next_id(struct wpa_supplicant *wpa_s)
-{
- struct dpp_bootstrap_info *bi;
- unsigned int max_id = 0;
-
- dl_list_for_each(bi, &wpa_s->dpp_bootstrap, struct dpp_bootstrap_info,
- list) {
- if (bi->id > max_id)
- max_id = bi->id;
- }
- return max_id + 1;
-}
+/* Use a hardcoded Transaction ID 1 in Peer Discovery frames since there is only
+ * a single transaction in progress at any point in time. */
+static const u8 TRANSACTION_ID = 1;
/**
struct dpp_bootstrap_info *bi;
struct dpp_authentication *auth = wpa_s->dpp_auth;
- bi = dpp_parse_qr_code(cmd);
+ bi = dpp_add_qr_code(wpa_s->dpp, cmd);
if (!bi)
return -1;
- bi->id = wpas_dpp_next_id(wpa_s);
- dl_list_add(&wpa_s->dpp_bootstrap, &bi->list);
-
if (auth && auth->response_pending &&
dpp_notify_new_qr_code(auth, bi) == 1) {
- struct wpabuf *msg;
-
wpa_printf(MSG_DEBUG,
"DPP: Sending out pending authentication response");
- msg = dpp_alloc_msg(DPP_PA_AUTHENTICATION_RESP,
- wpabuf_len(auth->resp_attr));
- if (!msg)
- goto out;
- wpabuf_put_buf(msg, wpa_s->dpp_auth->resp_attr);
-
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR
+ " freq=%u type=%d",
+ MAC2STR(auth->peer_mac_addr), auth->curr_freq,
+ DPP_PA_AUTHENTICATION_RESP);
offchannel_send_action(wpa_s, auth->curr_freq,
auth->peer_mac_addr, wpa_s->own_addr,
broadcast,
- wpabuf_head(msg), wpabuf_len(msg),
+ wpabuf_head(auth->resp_msg),
+ wpabuf_len(auth->resp_msg),
500, wpas_dpp_tx_status, 0);
- wpabuf_free(msg);
}
-out:
return bi->id;
}
-static char * get_param(const char *cmd, const char *param)
+static void wpas_dpp_auth_resp_retry_timeout(void *eloop_ctx, void *timeout_ctx)
{
- const char *pos, *end;
- char *val;
- size_t len;
+ struct wpa_supplicant *wpa_s = eloop_ctx;
+ struct dpp_authentication *auth = wpa_s->dpp_auth;
- pos = os_strstr(cmd, param);
- if (!pos)
- return NULL;
+ if (!auth || !auth->resp_msg)
+ return;
- pos += os_strlen(param);
- end = os_strchr(pos, ' ');
- if (end)
- len = end - pos;
- else
- len = os_strlen(pos);
- val = os_malloc(len + 1);
- if (!val)
- return NULL;
- os_memcpy(val, pos, len);
- val[len] = '\0';
- return val;
+ wpa_printf(MSG_DEBUG,
+ "DPP: Retry Authentication Response after timeout");
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR
+ " freq=%u type=%d",
+ MAC2STR(auth->peer_mac_addr), auth->curr_freq,
+ DPP_PA_AUTHENTICATION_RESP);
+ offchannel_send_action(wpa_s, auth->curr_freq, auth->peer_mac_addr,
+ wpa_s->own_addr, broadcast,
+ wpabuf_head(auth->resp_msg),
+ wpabuf_len(auth->resp_msg),
+ 500, wpas_dpp_tx_status, 0);
}
-int wpas_dpp_bootstrap_gen(struct wpa_supplicant *wpa_s, const char *cmd)
+static void wpas_dpp_auth_resp_retry(struct wpa_supplicant *wpa_s)
{
- char *chan = NULL, *mac = NULL, *info = NULL, *pk = NULL, *curve = NULL;
- char *key = NULL;
- u8 *privkey = NULL;
- size_t privkey_len = 0;
- size_t len;
- int ret = -1;
- struct dpp_bootstrap_info *bi;
+ struct dpp_authentication *auth = wpa_s->dpp_auth;
+ unsigned int wait_time, max_tries;
- bi = os_zalloc(sizeof(*bi));
- if (!bi)
- goto fail;
+ if (!auth || !auth->resp_msg)
+ return;
- if (os_strstr(cmd, "type=qrcode"))
- bi->type = DPP_BOOTSTRAP_QR_CODE;
+ if (wpa_s->dpp_resp_max_tries)
+ max_tries = wpa_s->dpp_resp_max_tries;
else
- goto fail;
-
- chan = get_param(cmd, " chan=");
- mac = get_param(cmd, " mac=");
- info = get_param(cmd, " info=");
- curve = get_param(cmd, " curve=");
- key = get_param(cmd, " key=");
-
- if (key) {
- privkey_len = os_strlen(key) / 2;
- privkey = os_malloc(privkey_len);
- if (!privkey ||
- hexstr2bin(key, privkey, privkey_len) < 0)
- goto fail;
- }
-
- pk = dpp_keygen(bi, curve, privkey, privkey_len);
- if (!pk)
- goto fail;
-
- len = 4; /* "DPP:" */
- if (chan) {
- if (dpp_parse_uri_chan_list(bi, chan) < 0)
- goto fail;
- len += 3 + os_strlen(chan); /* C:...; */
- }
- if (mac) {
- if (dpp_parse_uri_mac(bi, mac) < 0)
- goto fail;
- len += 3 + os_strlen(mac); /* M:...; */
- }
- if (info) {
- if (dpp_parse_uri_info(bi, info) < 0)
- goto fail;
- len += 3 + os_strlen(info); /* I:...; */
- }
- len += 4 + os_strlen(pk);
- bi->uri = os_malloc(len + 1);
- if (!bi->uri)
- goto fail;
- os_snprintf(bi->uri, len + 1, "DPP:%s%s%s%s%s%s%s%s%sK:%s;;",
- chan ? "C:" : "", chan ? chan : "", chan ? ";" : "",
- mac ? "M:" : "", mac ? mac : "", mac ? ";" : "",
- info ? "I:" : "", info ? info : "", info ? ";" : "",
- pk);
- bi->id = wpas_dpp_next_id(wpa_s);
- dl_list_add(&wpa_s->dpp_bootstrap, &bi->list);
- ret = bi->id;
- bi = NULL;
-fail:
- os_free(curve);
- os_free(pk);
- os_free(chan);
- os_free(mac);
- os_free(info);
- str_clear_free(key);
- bin_clear_free(privkey, privkey_len);
- dpp_bootstrap_info_free(bi);
- return ret;
-}
-
-
-static struct dpp_bootstrap_info *
-dpp_bootstrap_get_id(struct wpa_supplicant *wpa_s, unsigned int id)
-{
- struct dpp_bootstrap_info *bi;
-
- dl_list_for_each(bi, &wpa_s->dpp_bootstrap, struct dpp_bootstrap_info,
- list) {
- if (bi->id == id)
- return bi;
- }
- return NULL;
-}
-
-
-static int dpp_bootstrap_del(struct wpa_supplicant *wpa_s, unsigned int id)
-{
- struct dpp_bootstrap_info *bi, *tmp;
- int found = 0;
-
- dl_list_for_each_safe(bi, tmp, &wpa_s->dpp_bootstrap,
- struct dpp_bootstrap_info, list) {
- if (id && bi->id != id)
- continue;
- found = 1;
- dl_list_del(&bi->list);
- dpp_bootstrap_info_free(bi);
- }
-
- if (id == 0)
- return 0; /* flush succeeds regardless of entries found */
- return found ? 0 : -1;
-}
-
-
-int wpas_dpp_bootstrap_remove(struct wpa_supplicant *wpa_s, const char *id)
-{
- unsigned int id_val;
-
- if (os_strcmp(id, "*") == 0) {
- id_val = 0;
- } else {
- id_val = atoi(id);
- if (id_val == 0)
- return -1;
+ max_tries = 5;
+ auth->auth_resp_tries++;
+ if (auth->auth_resp_tries >= max_tries) {
+ wpa_printf(MSG_INFO, "DPP: No confirm received from initiator - stopping exchange");
+ offchannel_send_action_done(wpa_s);
+ dpp_auth_deinit(wpa_s->dpp_auth);
+ wpa_s->dpp_auth = NULL;
+ return;
}
- return dpp_bootstrap_del(wpa_s, id_val);
+ if (wpa_s->dpp_resp_retry_time)
+ wait_time = wpa_s->dpp_resp_retry_time;
+ else
+ wait_time = 1000;
+ wpa_printf(MSG_DEBUG,
+ "DPP: Schedule retransmission of Authentication Response frame in %u ms",
+ wait_time);
+ eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout, wpa_s, NULL);
+ eloop_register_timeout(wait_time / 1000,
+ (wait_time % 1000) * 1000,
+ wpas_dpp_auth_resp_retry_timeout, wpa_s, NULL);
}
-const char * wpas_dpp_bootstrap_get_uri(struct wpa_supplicant *wpa_s,
- unsigned int id)
+static void wpas_dpp_try_to_connect(struct wpa_supplicant *wpa_s)
{
- struct dpp_bootstrap_info *bi;
-
- bi = dpp_bootstrap_get_id(wpa_s, id);
- if (!bi)
- return NULL;
- return bi->uri;
+ wpa_printf(MSG_DEBUG, "DPP: Trying to connect to the new network");
+ wpa_s->disconnected = 0;
+ wpa_s->reassociate = 1;
+ wpa_s->scan_runs = 0;
+ wpa_s->normal_scans = 0;
+ wpa_supplicant_cancel_sched_scan(wpa_s);
+ wpa_supplicant_req_scan(wpa_s, 0, 0);
}
const u8 *data, size_t data_len,
enum offchannel_send_action_result result)
{
+ const char *res_txt;
+ struct dpp_authentication *auth = wpa_s->dpp_auth;
+
+ res_txt = result == OFFCHANNEL_SEND_ACTION_SUCCESS ? "SUCCESS" :
+ (result == OFFCHANNEL_SEND_ACTION_NO_ACK ? "no-ACK" :
+ "FAILED");
wpa_printf(MSG_DEBUG, "DPP: TX status: freq=%u dst=" MACSTR
- " result=%s",
- freq, MAC2STR(dst),
- result == OFFCHANNEL_SEND_ACTION_SUCCESS ? "SUCCESS" :
- (result == OFFCHANNEL_SEND_ACTION_NO_ACK ? "no-ACK" :
- "FAILED"));
+ " result=%s", freq, MAC2STR(dst), res_txt);
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX_STATUS "dst=" MACSTR
+ " freq=%u result=%s", MAC2STR(dst), freq, res_txt);
if (!wpa_s->dpp_auth) {
wpa_printf(MSG_DEBUG,
return;
}
+#ifdef CONFIG_DPP2
+ if (auth->connect_on_tx_status) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Try to connect after completed configuration result");
+ wpas_dpp_try_to_connect(wpa_s);
+ dpp_auth_deinit(wpa_s->dpp_auth);
+ wpa_s->dpp_auth = NULL;
+ return;
+ }
+#endif /* CONFIG_DPP2 */
+
if (wpa_s->dpp_auth->remove_on_tx_status) {
wpa_printf(MSG_DEBUG,
"DPP: Terminate authentication exchange due to an earlier error");
+ eloop_cancel_timeout(wpas_dpp_init_timeout, wpa_s, NULL);
+ eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL);
+ eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout, wpa_s,
+ NULL);
+ offchannel_send_action_done(wpa_s);
dpp_auth_deinit(wpa_s->dpp_auth);
wpa_s->dpp_auth = NULL;
return;
}
+ if (wpa_s->dpp_auth_ok_on_ack)
+ wpas_dpp_auth_success(wpa_s, 1);
+
if (!is_broadcast_ether_addr(dst) &&
result != OFFCHANNEL_SEND_ACTION_SUCCESS) {
wpa_printf(MSG_DEBUG,
"DPP: Unicast DPP Action frame was not ACKed");
- /* TODO: In case of DPP Authentication Request frame, move to
- * the next channel immediately */
+ if (auth->waiting_auth_resp) {
+ /* In case of DPP Authentication Request frame, move to
+ * the next channel immediately. */
+ offchannel_send_action_done(wpa_s);
+ wpas_dpp_auth_init_next(wpa_s);
+ return;
+ }
+ if (auth->waiting_auth_conf) {
+ wpas_dpp_auth_resp_retry(wpa_s);
+ return;
+ }
+ }
+
+ if (!is_broadcast_ether_addr(dst) && auth->waiting_auth_resp &&
+ result == OFFCHANNEL_SEND_ACTION_SUCCESS) {
+ /* Allow timeout handling to stop iteration if no response is
+ * received from a peer that has ACKed a request. */
+ auth->auth_req_ack = 1;
}
+
+ if (!wpa_s->dpp_auth_ok_on_ack && wpa_s->dpp_auth->neg_freq > 0 &&
+ wpa_s->dpp_auth->curr_freq != wpa_s->dpp_auth->neg_freq) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Move from curr_freq %u MHz to neg_freq %u MHz for response",
+ wpa_s->dpp_auth->curr_freq,
+ wpa_s->dpp_auth->neg_freq);
+ offchannel_send_action_done(wpa_s);
+ wpas_dpp_listen_start(wpa_s, wpa_s->dpp_auth->neg_freq);
+ }
+
+ if (wpa_s->dpp_auth_ok_on_ack)
+ wpa_s->dpp_auth_ok_on_ack = 0;
}
static void wpas_dpp_reply_wait_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+ struct wpa_supplicant *wpa_s = eloop_ctx;
+ struct dpp_authentication *auth = wpa_s->dpp_auth;
+ unsigned int freq;
+ struct os_reltime now, diff;
+ unsigned int wait_time, diff_ms;
+
+ if (!auth || !auth->waiting_auth_resp)
+ return;
+
+ wait_time = wpa_s->dpp_resp_wait_time ?
+ wpa_s->dpp_resp_wait_time : 2000;
+ os_get_reltime(&now);
+ os_reltime_sub(&now, &wpa_s->dpp_last_init, &diff);
+ diff_ms = diff.sec * 1000 + diff.usec / 1000;
+ wpa_printf(MSG_DEBUG,
+ "DPP: Reply wait timeout - wait_time=%u diff_ms=%u",
+ wait_time, diff_ms);
+
+ if (auth->auth_req_ack && diff_ms >= wait_time) {
+ /* Peer ACK'ed Authentication Request frame, but did not reply
+ * with Authentication Response frame within two seconds. */
+ wpa_printf(MSG_INFO,
+ "DPP: No response received from responder - stopping initiation attempt");
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_AUTH_INIT_FAILED);
+ offchannel_send_action_done(wpa_s);
+ wpas_dpp_listen_stop(wpa_s);
+ dpp_auth_deinit(auth);
+ wpa_s->dpp_auth = NULL;
+ return;
+ }
+
+ if (diff_ms >= wait_time) {
+ /* Authentication Request frame was not ACK'ed and no reply
+ * was receiving within two seconds. */
+ wpa_printf(MSG_DEBUG,
+ "DPP: Continue Initiator channel iteration");
+ offchannel_send_action_done(wpa_s);
+ wpas_dpp_listen_stop(wpa_s);
+ wpas_dpp_auth_init_next(wpa_s);
+ return;
+ }
+
+ /* Driver did not support 2000 ms long wait_time with TX command, so
+ * schedule listen operation to continue waiting for the response.
+ *
+ * DPP listen operations continue until stopped, so simply schedule a
+ * new call to this function at the point when the two second reply
+ * wait has expired. */
+ wait_time -= diff_ms;
+
+ freq = auth->curr_freq;
+ if (auth->neg_freq > 0)
+ freq = auth->neg_freq;
+ wpa_printf(MSG_DEBUG,
+ "DPP: Continue reply wait on channel %u MHz for %u ms",
+ freq, wait_time);
+ wpa_s->dpp_in_response_listen = 1;
+ wpas_dpp_listen_start(wpa_s, freq);
+
+ eloop_register_timeout(wait_time / 1000, (wait_time % 1000) * 1000,
+ wpas_dpp_reply_wait_timeout, wpa_s, NULL);
+}
+
+
+static void wpas_dpp_set_testing_options(struct wpa_supplicant *wpa_s,
+ struct dpp_authentication *auth)
+{
+#ifdef CONFIG_TESTING_OPTIONS
+ if (wpa_s->dpp_config_obj_override)
+ auth->config_obj_override =
+ os_strdup(wpa_s->dpp_config_obj_override);
+ if (wpa_s->dpp_discovery_override)
+ auth->discovery_override =
+ os_strdup(wpa_s->dpp_discovery_override);
+ if (wpa_s->dpp_groups_override)
+ auth->groups_override =
+ os_strdup(wpa_s->dpp_groups_override);
+ auth->ignore_netaccesskey_mismatch =
+ wpa_s->dpp_ignore_netaccesskey_mismatch;
+#endif /* CONFIG_TESTING_OPTIONS */
+}
+
+
+static void wpas_dpp_init_timeout(void *eloop_ctx, void *timeout_ctx)
{
struct wpa_supplicant *wpa_s = eloop_ctx;
if (!wpa_s->dpp_auth)
return;
- wpa_printf(MSG_DEBUG, "DPP: Continue reply wait on channel %u MHz",
- wpa_s->dpp_auth->curr_freq);
- wpas_dpp_listen_start(wpa_s, wpa_s->dpp_auth->curr_freq);
+ wpa_printf(MSG_DEBUG, "DPP: Retry initiation after timeout");
+ wpas_dpp_auth_init_next(wpa_s);
+}
+
+
+static int wpas_dpp_auth_init_next(struct wpa_supplicant *wpa_s)
+{
+ struct dpp_authentication *auth = wpa_s->dpp_auth;
+ const u8 *dst;
+ unsigned int wait_time, max_wait_time, freq, max_tries, used;
+ struct os_reltime now, diff;
+
+ wpa_s->dpp_in_response_listen = 0;
+ if (!auth)
+ return -1;
+
+ if (auth->freq_idx == 0)
+ os_get_reltime(&wpa_s->dpp_init_iter_start);
+
+ if (auth->freq_idx >= auth->num_freq) {
+ auth->num_freq_iters++;
+ if (wpa_s->dpp_init_max_tries)
+ max_tries = wpa_s->dpp_init_max_tries;
+ else
+ max_tries = 5;
+ if (auth->num_freq_iters >= max_tries || auth->auth_req_ack) {
+ wpa_printf(MSG_INFO,
+ "DPP: No response received from responder - stopping initiation attempt");
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_AUTH_INIT_FAILED);
+ eloop_cancel_timeout(wpas_dpp_reply_wait_timeout,
+ wpa_s, NULL);
+ offchannel_send_action_done(wpa_s);
+ dpp_auth_deinit(wpa_s->dpp_auth);
+ wpa_s->dpp_auth = NULL;
+ return -1;
+ }
+ auth->freq_idx = 0;
+ eloop_cancel_timeout(wpas_dpp_init_timeout, wpa_s, NULL);
+ if (wpa_s->dpp_init_retry_time)
+ wait_time = wpa_s->dpp_init_retry_time;
+ else
+ wait_time = 10000;
+ os_get_reltime(&now);
+ os_reltime_sub(&now, &wpa_s->dpp_init_iter_start, &diff);
+ used = diff.sec * 1000 + diff.usec / 1000;
+ if (used > wait_time)
+ wait_time = 0;
+ else
+ wait_time -= used;
+ wpa_printf(MSG_DEBUG, "DPP: Next init attempt in %u ms",
+ wait_time);
+ eloop_register_timeout(wait_time / 1000,
+ (wait_time % 1000) * 1000,
+ wpas_dpp_init_timeout, wpa_s,
+ NULL);
+ return 0;
+ }
+ freq = auth->freq[auth->freq_idx++];
+ auth->curr_freq = freq;
+
+ if (is_zero_ether_addr(auth->peer_bi->mac_addr))
+ dst = broadcast;
+ else
+ dst = auth->peer_bi->mac_addr;
+ wpa_s->dpp_auth_ok_on_ack = 0;
+ eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL);
+ wait_time = wpa_s->max_remain_on_chan;
+ max_wait_time = wpa_s->dpp_resp_wait_time ?
+ wpa_s->dpp_resp_wait_time : 2000;
+ if (wait_time > max_wait_time)
+ wait_time = max_wait_time;
+ wait_time += 10; /* give the driver some extra time to complete */
+ eloop_register_timeout(wait_time / 1000, (wait_time % 1000) * 1000,
+ wpas_dpp_reply_wait_timeout,
+ wpa_s, NULL);
+ wait_time -= 10;
+ if (auth->neg_freq > 0 && freq != auth->neg_freq) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Initiate on %u MHz and move to neg_freq %u MHz for response",
+ freq, auth->neg_freq);
+ }
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d",
+ MAC2STR(dst), freq, DPP_PA_AUTHENTICATION_REQ);
+ auth->auth_req_ack = 0;
+ os_get_reltime(&wpa_s->dpp_last_init);
+ return offchannel_send_action(wpa_s, freq, dst,
+ wpa_s->own_addr, broadcast,
+ wpabuf_head(auth->req_msg),
+ wpabuf_len(auth->req_msg),
+ wait_time, wpas_dpp_tx_status, 0);
}
{
const char *pos;
struct dpp_bootstrap_info *peer_bi, *own_bi = NULL;
- struct wpabuf *msg;
- const u8 *dst;
- int res;
- int configurator = 1;
- unsigned int wait_time;
+ struct dpp_authentication *auth;
+ u8 allowed_roles = DPP_CAPAB_CONFIGURATOR;
+ unsigned int neg_freq = 0;
+ int tcp = 0;
+#ifdef CONFIG_DPP2
+ int tcp_port = DPP_TCP_PORT;
+ struct hostapd_ip_addr ipaddr;
+ char *addr;
+#endif /* CONFIG_DPP2 */
+
+ wpa_s->dpp_gas_client = 0;
pos = os_strstr(cmd, " peer=");
if (!pos)
return -1;
pos += 6;
- peer_bi = dpp_bootstrap_get_id(wpa_s, atoi(pos));
+ peer_bi = dpp_bootstrap_get_id(wpa_s->dpp, atoi(pos));
if (!peer_bi) {
wpa_printf(MSG_INFO,
"DPP: Could not find bootstrapping info for the identified peer");
return -1;
}
+#ifdef CONFIG_DPP2
+ pos = os_strstr(cmd, " tcp_port=");
+ if (pos) {
+ pos += 10;
+ tcp_port = atoi(pos);
+ }
+
+ addr = get_param(cmd, " tcp_addr=");
+ if (addr) {
+ int res;
+
+ res = hostapd_parse_ip_addr(addr, &ipaddr);
+ os_free(addr);
+ if (res)
+ return -1;
+ tcp = 1;
+ }
+#endif /* CONFIG_DPP2 */
+
pos = os_strstr(cmd, " own=");
if (pos) {
pos += 5;
- own_bi = dpp_bootstrap_get_id(wpa_s, atoi(pos));
+ own_bi = dpp_bootstrap_get_id(wpa_s->dpp, atoi(pos));
if (!own_bi) {
wpa_printf(MSG_INFO,
"DPP: Could not find bootstrapping info for the identified local entry");
if (pos) {
pos += 6;
if (os_strncmp(pos, "configurator", 12) == 0)
- configurator = 1;
+ allowed_roles = DPP_CAPAB_CONFIGURATOR;
else if (os_strncmp(pos, "enrollee", 8) == 0)
- configurator = 0;
+ allowed_roles = DPP_CAPAB_ENROLLEE;
+ else if (os_strncmp(pos, "either", 6) == 0)
+ allowed_roles = DPP_CAPAB_CONFIGURATOR |
+ DPP_CAPAB_ENROLLEE;
else
- return -1;
+ goto fail;
}
- if (wpa_s->dpp_auth) {
+ pos = os_strstr(cmd, " netrole=");
+ if (pos) {
+ pos += 9;
+ wpa_s->dpp_netrole_ap = os_strncmp(pos, "ap", 2) == 0;
+ }
+
+ pos = os_strstr(cmd, " neg_freq=");
+ if (pos)
+ neg_freq = atoi(pos + 10);
+
+ if (!tcp && wpa_s->dpp_auth) {
+ eloop_cancel_timeout(wpas_dpp_init_timeout, wpa_s, NULL);
eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL);
+ eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout, wpa_s,
+ NULL);
offchannel_send_action_done(wpa_s);
dpp_auth_deinit(wpa_s->dpp_auth);
+ wpa_s->dpp_auth = NULL;
}
- wpa_s->dpp_auth = dpp_auth_init(wpa_s, peer_bi, own_bi, configurator);
- if (!wpa_s->dpp_auth)
- return -1;
- /* TODO: Support iteration over all frequencies and filtering of
- * frequencies based on locally enabled channels that allow initiation
- * of transmission. */
- if (peer_bi->num_freq > 0)
- wpa_s->dpp_auth->curr_freq = peer_bi->freq[0];
- else
- wpa_s->dpp_auth->curr_freq = 2412;
+ auth = dpp_auth_init(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) {
+ dpp_auth_deinit(auth);
+ goto fail;
+ }
- msg = dpp_alloc_msg(DPP_PA_AUTHENTICATION_REQ,
- wpabuf_len(wpa_s->dpp_auth->req_attr));
- if (!msg)
- return -1;
- wpabuf_put_buf(msg, wpa_s->dpp_auth->req_attr);
+ auth->neg_freq = neg_freq;
- if (is_zero_ether_addr(peer_bi->mac_addr)) {
- dst = broadcast;
- } else {
- dst = peer_bi->mac_addr;
- os_memcpy(wpa_s->dpp_auth->peer_mac_addr, peer_bi->mac_addr,
- ETH_ALEN);
- }
- eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL);
- wait_time = wpa_s->max_remain_on_chan;
- if (wait_time > 2000)
- wait_time = 2000;
- eloop_register_timeout(wait_time / 1000, (wait_time % 1000) * 1000,
- wpas_dpp_reply_wait_timeout,
- wpa_s, NULL);
- res = offchannel_send_action(wpa_s, wpa_s->dpp_auth->curr_freq,
- dst, wpa_s->own_addr, broadcast,
- wpabuf_head(msg), wpabuf_len(msg),
- wait_time, wpas_dpp_tx_status, 0);
- wpabuf_free(msg);
+ if (!is_zero_ether_addr(peer_bi->mac_addr))
+ os_memcpy(auth->peer_mac_addr, peer_bi->mac_addr, ETH_ALEN);
- return res;
+#ifdef CONFIG_DPP2
+ if (tcp)
+ return dpp_tcp_init(wpa_s->dpp, auth, &ipaddr, tcp_port);
+#endif /* CONFIG_DPP2 */
+
+ wpa_s->dpp_auth = auth;
+ return wpas_dpp_auth_init_next(wpa_s);
+fail:
+ return -1;
}
wpa_printf(MSG_DEBUG,
"DPP: Failed to request the driver to remain on channel (%u MHz) for listen",
lwork->freq);
+ wpa_s->dpp_listen_freq = 0;
wpas_dpp_listen_work_done(wpa_s);
wpa_s->dpp_pending_listen_freq = 0;
return;
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 (wpa_s->dpp_listen_freq == (unsigned int) freq) {
wpa_printf(MSG_DEBUG, "DPP: Already listening on %u MHz",
freq);
void wpas_dpp_listen_stop(struct wpa_supplicant *wpa_s)
{
+ wpa_s->dpp_in_response_listen = 0;
if (!wpa_s->dpp_listen_freq)
return;
}
-void wpas_dpp_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
- unsigned int freq)
-{
- if (!wpa_s->dpp_listen_freq && !wpa_s->dpp_pending_listen_freq)
- return;
-
- wpa_printf(MSG_DEBUG,
- "DPP: remain-on-channel callback (off_channel_freq=%u dpp_pending_listen_freq=%d roc_waiting_drv_freq=%d freq=%u)",
- wpa_s->off_channel_freq, wpa_s->dpp_pending_listen_freq,
- wpa_s->roc_waiting_drv_freq, freq);
- if (wpa_s->off_channel_freq &&
- wpa_s->off_channel_freq == wpa_s->dpp_pending_listen_freq) {
- wpa_printf(MSG_DEBUG, "DPP: Listen on %u MHz started", freq);
- wpa_s->dpp_pending_listen_freq = 0;
- } else {
- wpa_printf(MSG_DEBUG,
- "DPP: Ignore remain-on-channel callback (off_channel_freq=%u dpp_pending_listen_freq=%d freq=%u)",
- wpa_s->off_channel_freq,
- wpa_s->dpp_pending_listen_freq, freq);
- }
-}
-
-
void wpas_dpp_cancel_remain_on_channel_cb(struct wpa_supplicant *wpa_s,
unsigned int freq)
{
wpas_dpp_listen_work_done(wpa_s);
- if (wpa_s->dpp_auth) {
+ if (wpa_s->dpp_auth && wpa_s->dpp_in_response_listen) {
+ unsigned int new_freq;
+
/* Continue listen with a new remain-on-channel */
+ if (wpa_s->dpp_auth->neg_freq > 0)
+ new_freq = wpa_s->dpp_auth->neg_freq;
+ else
+ new_freq = wpa_s->dpp_auth->curr_freq;
wpa_printf(MSG_DEBUG,
"DPP: Continue wait on %u MHz for the ongoing DPP provisioning session",
- wpa_s->dpp_auth->curr_freq);
- wpas_dpp_listen_start(wpa_s, wpa_s->dpp_auth->curr_freq);
+ new_freq);
+ wpas_dpp_listen_start(wpa_s, new_freq);
return;
}
static void wpas_dpp_rx_auth_req(struct wpa_supplicant *wpa_s, const u8 *src,
- const u8 *buf, size_t len, unsigned int freq)
+ const u8 *hdr, const u8 *buf, size_t len,
+ unsigned int freq)
{
- const u8 *r_bootstrap, *i_bootstrap, *wrapped_data;
- u16 r_bootstrap_len, i_bootstrap_len, wrapped_data_len;
- struct dpp_bootstrap_info *bi, *own_bi = NULL, *peer_bi = NULL;
- struct wpabuf *msg;
+ const u8 *r_bootstrap, *i_bootstrap;
+ u16 r_bootstrap_len, i_bootstrap_len;
+ struct dpp_bootstrap_info *own_bi = NULL, *peer_bi = NULL;
+
+ if (!wpa_s->dpp)
+ return;
wpa_printf(MSG_DEBUG, "DPP: Authentication Request from " MACSTR,
MAC2STR(src));
- wrapped_data = dpp_get_attr(buf, len, DPP_ATTR_WRAPPED_DATA,
- &wrapped_data_len);
- if (!wrapped_data) {
- wpa_printf(MSG_DEBUG,
- "DPP: Missing required Wrapped data attribute");
- return;
- }
- wpa_hexdump(MSG_MSGDUMP, "DPP: Wrapped data",
- wrapped_data, wrapped_data_len);
-
r_bootstrap = dpp_get_attr(buf, len, DPP_ATTR_R_BOOTSTRAP_KEY_HASH,
&r_bootstrap_len);
- if (!r_bootstrap || r_bootstrap > wrapped_data ||
- r_bootstrap_len != SHA256_MAC_LEN) {
- wpa_printf(MSG_DEBUG,
- "DPP: Missing or invalid required Responder Bootstrapping Key Hash attribute");
+ 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",
i_bootstrap = dpp_get_attr(buf, len, DPP_ATTR_I_BOOTSTRAP_KEY_HASH,
&i_bootstrap_len);
- if (!i_bootstrap || i_bootstrap > wrapped_data ||
- i_bootstrap_len != SHA256_MAC_LEN) {
- wpa_printf(MSG_DEBUG,
- "DPP: Missing or invalid required Initiator Bootstrapping Key Hash attribute");
+ if (!i_bootstrap || i_bootstrap_len != SHA256_MAC_LEN) {
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL
+ "Missing or invalid required Initiator Bootstrapping Key Hash attribute");
return;
}
wpa_hexdump(MSG_MSGDUMP, "DPP: Initiator Bootstrapping Key Hash",
/* Try to find own and peer bootstrapping key matches based on the
* received hash values */
- dl_list_for_each(bi, &wpa_s->dpp_bootstrap, struct dpp_bootstrap_info,
- list) {
- if (!own_bi && bi->own &&
- os_memcmp(bi->pubkey_hash, r_bootstrap,
- SHA256_MAC_LEN) == 0) {
- wpa_printf(MSG_DEBUG,
- "DPP: Found matching own bootstrapping information");
- own_bi = bi;
- }
-
- if (!peer_bi && !bi->own &&
- os_memcmp(bi->pubkey_hash, i_bootstrap,
- SHA256_MAC_LEN) == 0) {
- wpa_printf(MSG_DEBUG,
- "DPP: Found matching peer bootstrapping information");
- peer_bi = bi;
- }
-
- if (own_bi && peer_bi)
- break;
- }
-
+ dpp_bootstrap_find_pair(wpa_s->dpp, i_bootstrap, r_bootstrap,
+ &own_bi, &peer_bi);
if (!own_bi) {
- wpa_printf(MSG_DEBUG,
- "DPP: No matching own bootstrapping key found - ignore message");
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL
+ "No matching own bootstrapping key found - ignore message");
return;
}
if (wpa_s->dpp_auth) {
- wpa_printf(MSG_DEBUG,
- "DPP: Already in DPP authentication exchange - ignore new one");
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL
+ "Already in DPP authentication exchange - ignore new one");
return;
}
+ 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_qr_mutual,
- peer_bi, own_bi, freq, buf,
- wrapped_data, wrapped_data_len);
+ peer_bi, own_bi, freq, hdr, buf, len);
if (!wpa_s->dpp_auth) {
wpa_printf(MSG_DEBUG, "DPP: No response generated");
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,
+ wpa_s->dpp_configurator_params) < 0) {
+ dpp_auth_deinit(wpa_s->dpp_auth);
+ wpa_s->dpp_auth = NULL;
+ return;
+ }
os_memcpy(wpa_s->dpp_auth->peer_mac_addr, src, ETH_ALEN);
- msg = dpp_alloc_msg(DPP_PA_AUTHENTICATION_RESP,
- wpabuf_len(wpa_s->dpp_auth->resp_attr));
- if (!msg)
- return;
- wpabuf_put_buf(msg, wpa_s->dpp_auth->resp_attr);
+ if (wpa_s->dpp_listen_freq &&
+ wpa_s->dpp_listen_freq != wpa_s->dpp_auth->curr_freq) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Stop listen on %u MHz to allow response on the request %u MHz",
+ wpa_s->dpp_listen_freq, wpa_s->dpp_auth->curr_freq);
+ wpas_dpp_listen_stop(wpa_s);
+ }
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d",
+ MAC2STR(src), wpa_s->dpp_auth->curr_freq,
+ DPP_PA_AUTHENTICATION_RESP);
offchannel_send_action(wpa_s, wpa_s->dpp_auth->curr_freq,
src, wpa_s->own_addr, broadcast,
- wpabuf_head(msg), wpabuf_len(msg),
+ wpabuf_head(wpa_s->dpp_auth->resp_msg),
+ wpabuf_len(wpa_s->dpp_auth->resp_msg),
500, wpas_dpp_tx_status, 0);
- wpabuf_free(msg);
+}
+
+
+static void wpas_dpp_start_gas_server(struct wpa_supplicant *wpa_s)
+{
+ /* TODO: stop wait and start ROC */
+}
+
+
+static struct wpa_ssid * wpas_dpp_add_network(struct wpa_supplicant *wpa_s,
+ struct dpp_authentication *auth)
+{
+ struct wpa_ssid *ssid;
+
+#ifdef CONFIG_DPP2
+ if (auth->akm == DPP_AKM_SAE) {
+#ifdef CONFIG_SAE
+ struct wpa_driver_capa capa;
+ int res;
+
+ res = wpa_drv_get_capa(wpa_s, &capa);
+ if (res == 0 &&
+ !(capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_SAE) &&
+ !(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE)) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: SAE not supported by the driver");
+ return NULL;
+ }
+#else /* CONFIG_SAE */
+ wpa_printf(MSG_DEBUG, "DPP: SAE not supported in the build");
+ return NULL;
+#endif /* CONFIG_SAE */
+ }
+#endif /* CONFIG_DPP2 */
+
+ ssid = wpa_config_add_network(wpa_s->conf);
+ if (!ssid)
+ return NULL;
+ wpas_notify_network_added(wpa_s, ssid);
+ wpa_config_set_network_defaults(ssid);
+ ssid->disabled = 1;
+
+ ssid->ssid = os_malloc(auth->ssid_len);
+ if (!ssid->ssid)
+ goto fail;
+ os_memcpy(ssid->ssid, auth->ssid, auth->ssid_len);
+ ssid->ssid_len = auth->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 (!ssid->dpp_connector)
+ goto fail;
+ }
+
+ if (auth->c_sign_key) {
+ ssid->dpp_csign = os_malloc(wpabuf_len(auth->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);
+ }
+
+ if (auth->net_access_key) {
+ ssid->dpp_netaccesskey =
+ os_malloc(wpabuf_len(auth->net_access_key));
+ if (!ssid->dpp_netaccesskey)
+ goto fail;
+ os_memcpy(ssid->dpp_netaccesskey,
+ wpabuf_head(auth->net_access_key),
+ wpabuf_len(auth->net_access_key));
+ ssid->dpp_netaccesskey_len = wpabuf_len(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)
+ ssid->key_mgmt = 0;
+ if (dpp_akm_psk(auth->akm))
+ ssid->key_mgmt |= WPA_KEY_MGMT_PSK |
+ WPA_KEY_MGMT_PSK_SHA256 | WPA_KEY_MGMT_FT_PSK;
+ if (dpp_akm_sae(auth->akm))
+ ssid->key_mgmt |= WPA_KEY_MGMT_SAE |
+ WPA_KEY_MGMT_FT_SAE;
+ ssid->ieee80211w = MGMT_FRAME_PROTECTION_OPTIONAL;
+ if (auth->passphrase[0]) {
+ if (wpa_config_set_quoted(ssid, "psk",
+ auth->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);
+ }
+ }
+
+ return ssid;
+fail:
+ wpas_notify_network_removed(wpa_s, ssid);
+ wpa_config_remove_network(wpa_s->conf, ssid->id);
+ return NULL;
+}
+
+
+static int wpas_dpp_process_config(struct wpa_supplicant *wpa_s,
+ struct dpp_authentication *auth)
+{
+ struct wpa_ssid *ssid;
+
+ if (wpa_s->conf->dpp_config_processing < 1)
+ return 0;
+
+ ssid = wpas_dpp_add_network(wpa_s, auth);
+ if (!ssid)
+ return -1;
+
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_NETWORK_ID "%d", ssid->id);
+ if (wpa_s->conf->dpp_config_processing == 2)
+ ssid->disabled = 0;
+
+#ifndef CONFIG_NO_CONFIG_WRITE
+ if (wpa_s->conf->update_config &&
+ wpa_config_write(wpa_s->confname, wpa_s->conf))
+ wpa_printf(MSG_DEBUG, "DPP: Failed to update configuration");
+#endif /* CONFIG_NO_CONFIG_WRITE */
+
+ if (wpa_s->conf->dpp_config_processing < 2)
+ return 0;
+
+#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;
+ }
+#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)
+{
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_RECEIVED);
+ if (auth->ssid_len)
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONFOBJ_SSID "%s",
+ wpa_ssid_txt(auth->ssid, auth->ssid_len));
+ if (auth->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);
+ }
+ if (auth->c_sign_key) {
+ char *hex;
+ size_t hexlen;
+
+ hexlen = 2 * wpabuf_len(auth->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));
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_C_SIGN_KEY "%s",
+ hex);
+ os_free(hex);
+ }
+ }
+ if (auth->net_access_key) {
+ char *hex;
+ size_t hexlen;
+
+ hexlen = 2 * wpabuf_len(auth->net_access_key) + 1;
+ hex = os_malloc(hexlen);
+ if (hex) {
+ wpa_snprintf_hex(hex, hexlen,
+ wpabuf_head(auth->net_access_key),
+ wpabuf_len(auth->net_access_key));
+ if (auth->net_access_key_expiry)
+ wpa_msg(wpa_s, MSG_INFO,
+ DPP_EVENT_NET_ACCESS_KEY "%s %lu", hex,
+ (long unsigned)
+ auth->net_access_key_expiry);
+ else
+ wpa_msg(wpa_s, MSG_INFO,
+ DPP_EVENT_NET_ACCESS_KEY "%s", hex);
+ os_free(hex);
+ }
+ }
+
+ return wpas_dpp_process_config(wpa_s, auth);
+}
+
+
+static void wpas_dpp_gas_resp_cb(void *ctx, const u8 *addr, u8 dialog_token,
+ enum gas_query_result result,
+ const struct wpabuf *adv_proto,
+ const struct wpabuf *resp, u16 status_code)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ const u8 *pos;
+ struct dpp_authentication *auth = wpa_s->dpp_auth;
+ int res;
+ enum dpp_status_error status = DPP_STATUS_CONFIG_REJECTED;
+
+ wpa_s->dpp_gas_dialog_token = -1;
+
+ if (!auth || !auth->auth_success) {
+ wpa_printf(MSG_DEBUG, "DPP: No matching exchange in progress");
+ return;
+ }
+ if (result != GAS_QUERY_SUCCESS ||
+ !resp || status_code != WLAN_STATUS_SUCCESS) {
+ wpa_printf(MSG_DEBUG, "DPP: GAS query did not succeed");
+ goto fail;
+ }
+
+ wpa_hexdump_buf(MSG_DEBUG, "DPP: Configuration Response adv_proto",
+ adv_proto);
+ wpa_hexdump_buf(MSG_DEBUG, "DPP: Configuration Response (GAS response)",
+ resp);
+
+ if (wpabuf_len(adv_proto) != 10 ||
+ !(pos = wpabuf_head(adv_proto)) ||
+ pos[0] != WLAN_EID_ADV_PROTO ||
+ pos[1] != 8 ||
+ pos[3] != WLAN_EID_VENDOR_SPECIFIC ||
+ pos[4] != 5 ||
+ WPA_GET_BE24(&pos[5]) != OUI_WFA ||
+ pos[8] != 0x1a ||
+ pos[9] != 1) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Not a DPP Advertisement Protocol ID");
+ goto fail;
+ }
+
+ if (dpp_conf_resp_rx(auth, resp) < 0) {
+ wpa_printf(MSG_DEBUG, "DPP: Configuration attempt failed");
+ goto fail;
+ }
+
+ res = wpas_dpp_handle_config_obj(wpa_s, auth);
+ if (res < 0)
+ goto fail;
+
+ status = DPP_STATUS_OK;
+#ifdef CONFIG_TESTING_OPTIONS
+ if (dpp_test == DPP_TEST_REJECT_CONFIG) {
+ wpa_printf(MSG_INFO, "DPP: TESTING - Reject Config Object");
+ status = DPP_STATUS_CONFIG_REJECTED;
+ }
+#endif /* CONFIG_TESTING_OPTIONS */
+fail:
+ if (status != DPP_STATUS_OK)
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_FAILED);
+#ifdef CONFIG_DPP2
+ if (auth->peer_version >= 2 &&
+ auth->conf_resp_status == DPP_STATUS_OK) {
+ struct wpabuf *msg;
+
+ wpa_printf(MSG_DEBUG, "DPP: Send DPP Configuration Result");
+ msg = dpp_build_conf_result(auth, status);
+ if (!msg)
+ goto fail2;
+
+ wpa_msg(wpa_s, MSG_INFO,
+ DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d",
+ MAC2STR(addr), auth->curr_freq,
+ DPP_PA_CONFIGURATION_RESULT);
+ offchannel_send_action(wpa_s, auth->curr_freq,
+ addr, wpa_s->own_addr, broadcast,
+ wpabuf_head(msg),
+ wpabuf_len(msg),
+ 500, wpas_dpp_tx_status, 0);
+ wpabuf_free(msg);
+
+ /* This exchange will be terminated in the TX status handler */
+ return;
+ }
+fail2:
+#endif /* CONFIG_DPP2 */
+ dpp_auth_deinit(wpa_s->dpp_auth);
+ wpa_s->dpp_auth = NULL;
+}
+
+
+static void wpas_dpp_start_gas_client(struct wpa_supplicant *wpa_s)
+{
+ struct dpp_authentication *auth = wpa_s->dpp_auth;
+ struct wpabuf *buf;
+ char json[100];
+ int res;
+
+ wpa_s->dpp_gas_client = 1;
+ os_snprintf(json, sizeof(json),
+ "{\"name\":\"Test\","
+ "\"wi-fi_tech\":\"infra\","
+ "\"netRole\":\"%s\"}",
+ wpa_s->dpp_netrole_ap ? "ap" : "sta");
+#ifdef CONFIG_TESTING_OPTIONS
+ if (dpp_test == DPP_TEST_INVALID_CONFIG_ATTR_OBJ_CONF_REQ) {
+ wpa_printf(MSG_INFO, "DPP: TESTING - invalid Config Attr");
+ json[29] = 'k'; /* replace "infra" with "knfra" */
+ }
+#endif /* CONFIG_TESTING_OPTIONS */
+ wpa_printf(MSG_DEBUG, "DPP: GAS Config Attributes: %s", json);
+
+ offchannel_send_action_done(wpa_s);
+ wpas_dpp_listen_stop(wpa_s);
+
+ buf = dpp_build_conf_req(auth, json);
+ if (!buf) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: No configuration request data available");
+ return;
+ }
+
+ wpa_printf(MSG_DEBUG, "DPP: GAS request to " MACSTR " (freq %u MHz)",
+ MAC2STR(auth->peer_mac_addr), auth->curr_freq);
+
+ res = gas_query_req(wpa_s->gas, auth->peer_mac_addr, auth->curr_freq,
+ 1, buf, wpas_dpp_gas_resp_cb, wpa_s);
+ if (res < 0) {
+ wpa_msg(wpa_s, MSG_DEBUG, "GAS: Failed to send Query Request");
+ wpabuf_free(buf);
+ } else {
+ wpa_printf(MSG_DEBUG,
+ "DPP: GAS query started with dialog token %u", res);
+ wpa_s->dpp_gas_dialog_token = res;
+ }
+}
+
+
+static void wpas_dpp_auth_success(struct wpa_supplicant *wpa_s, int initiator)
+{
+ wpa_printf(MSG_DEBUG, "DPP: Authentication succeeded");
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_AUTH_SUCCESS "init=%d", initiator);
+#ifdef CONFIG_TESTING_OPTIONS
+ if (dpp_test == DPP_TEST_STOP_AT_AUTH_CONF) {
+ wpa_printf(MSG_INFO,
+ "DPP: TESTING - stop at Authentication Confirm");
+ if (wpa_s->dpp_auth->configurator) {
+ /* Prevent GAS response */
+ wpa_s->dpp_auth->auth_success = 0;
+ }
+ return;
+ }
+#endif /* CONFIG_TESTING_OPTIONS */
+
+ if (wpa_s->dpp_auth->configurator)
+ wpas_dpp_start_gas_server(wpa_s);
+ else
+ wpas_dpp_start_gas_client(wpa_s);
}
static void wpas_dpp_rx_auth_resp(struct wpa_supplicant *wpa_s, const u8 *src,
- const u8 *buf, size_t len)
+ const u8 *hdr, const u8 *buf, size_t len,
+ unsigned int freq)
{
struct dpp_authentication *auth = wpa_s->dpp_auth;
- struct wpabuf *msg, *attr;
+ struct wpabuf *msg;
- wpa_printf(MSG_DEBUG, "DPP: Authentication Response from " MACSTR,
- MAC2STR(src));
+ wpa_printf(MSG_DEBUG, "DPP: Authentication Response from " MACSTR
+ " (freq %u MHz)", MAC2STR(src), freq);
if (!auth) {
wpa_printf(MSG_DEBUG,
eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL);
- attr = dpp_auth_resp_rx(auth, buf, len);
- if (!attr) {
+ if (auth->curr_freq != freq && auth->neg_freq == freq) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Responder accepted request for different negotiation channel");
+ auth->curr_freq = freq;
+ }
+
+ eloop_cancel_timeout(wpas_dpp_init_timeout, wpa_s, NULL);
+ msg = dpp_auth_resp_rx(auth, hdr, buf, len);
+ if (!msg) {
if (auth->auth_resp_status == DPP_STATUS_RESPONSE_PENDING) {
wpa_printf(MSG_DEBUG,
"DPP: Start wait for full response");
}
os_memcpy(auth->peer_mac_addr, src, ETH_ALEN);
- msg = dpp_alloc_msg(DPP_PA_AUTHENTICATION_CONF, wpabuf_len(attr));
- if (!msg) {
- wpabuf_free(attr);
- return;
- }
- wpabuf_put_buf(msg, attr);
- wpabuf_free(attr);
-
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d",
+ MAC2STR(src), auth->curr_freq, DPP_PA_AUTHENTICATION_CONF);
offchannel_send_action(wpa_s, auth->curr_freq,
src, wpa_s->own_addr, broadcast,
wpabuf_head(msg), wpabuf_len(msg),
500, wpas_dpp_tx_status, 0);
wpabuf_free(msg);
-
- wpa_printf(MSG_DEBUG, "DPP: Authentication succeeded");
- wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_AUTH_SUCCESS "init=1");
+ wpa_s->dpp_auth_ok_on_ack = 1;
}
static void wpas_dpp_rx_auth_conf(struct wpa_supplicant *wpa_s, const u8 *src,
- const u8 *buf, size_t len)
+ const u8 *hdr, const u8 *buf, size_t len)
{
struct dpp_authentication *auth = wpa_s->dpp_auth;
return;
}
- if (dpp_auth_conf_rx(auth, buf, len) < 0) {
+ if (dpp_auth_conf_rx(auth, hdr, buf, len) < 0) {
wpa_printf(MSG_DEBUG, "DPP: Authentication failed");
return;
}
- wpa_printf(MSG_DEBUG, "DPP: Authentication succeeded");
- wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_AUTH_SUCCESS "init=0");
+ wpas_dpp_auth_success(wpa_s, 0);
}
-void wpas_dpp_rx_action(struct wpa_supplicant *wpa_s, const u8 *src,
- const u8 *buf, size_t len, unsigned int freq)
+#ifdef CONFIG_DPP2
+
+static void wpas_dpp_config_result_wait_timeout(void *eloop_ctx,
+ void *timeout_ctx)
{
- enum dpp_public_action_frame_type type;
+ struct wpa_supplicant *wpa_s = eloop_ctx;
+ struct dpp_authentication *auth = wpa_s->dpp_auth;
- if (len < 1)
+ if (!auth || !auth->waiting_conf_result)
return;
- type = buf[0];
- buf++;
- len--;
wpa_printf(MSG_DEBUG,
- "DPP: Received DPP Public Action frame type %d from "
- MACSTR " freq=%u",
- type, MAC2STR(src), freq);
- wpa_hexdump(MSG_MSGDUMP, "DPP: Received message attributes", buf, len);
- if (dpp_check_attrs(buf, len) < 0)
+ "DPP: Timeout while waiting for Configuration Result");
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_FAILED);
+ dpp_auth_deinit(auth);
+ wpa_s->dpp_auth = NULL;
+}
+
+
+static void wpas_dpp_rx_conf_result(struct wpa_supplicant *wpa_s, const u8 *src,
+ const u8 *hdr, const u8 *buf, size_t len)
+{
+ struct dpp_authentication *auth = wpa_s->dpp_auth;
+ enum dpp_status_error status;
+
+ wpa_printf(MSG_DEBUG, "DPP: Configuration Result from " MACSTR,
+ MAC2STR(src));
+
+ if (!auth || !auth->waiting_conf_result) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: No DPP Configuration waiting for result - drop");
return;
+ }
- switch (type) {
- case DPP_PA_AUTHENTICATION_REQ:
- wpas_dpp_rx_auth_req(wpa_s, src, buf, len, freq);
- break;
- case DPP_PA_AUTHENTICATION_RESP:
- wpas_dpp_rx_auth_resp(wpa_s, src, buf, len);
- break;
- case DPP_PA_AUTHENTICATION_CONF:
- wpas_dpp_rx_auth_conf(wpa_s, src, buf, len);
- break;
- default:
+ if (os_memcmp(src, auth->peer_mac_addr, ETH_ALEN) != 0) {
+ wpa_printf(MSG_DEBUG, "DPP: MAC address mismatch (expected "
+ MACSTR ") - drop", MAC2STR(auth->peer_mac_addr));
+ return;
+ }
+
+ status = dpp_conf_result_rx(auth, hdr, buf, len);
+
+ offchannel_send_action_done(wpa_s);
+ wpas_dpp_listen_stop(wpa_s);
+ if (status == DPP_STATUS_OK)
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_SENT);
+ else
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_FAILED);
+ dpp_auth_deinit(auth);
+ wpa_s->dpp_auth = NULL;
+ eloop_cancel_timeout(wpas_dpp_config_result_wait_timeout, wpa_s, NULL);
+}
+
+
+static int wpas_dpp_process_conf_obj(void *ctx,
+ struct dpp_authentication *auth)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+
+ return wpas_dpp_handle_config_obj(wpa_s, auth);
+}
+
+#endif /* CONFIG_DPP2 */
+
+
+static void wpas_dpp_rx_peer_disc_resp(struct wpa_supplicant *wpa_s,
+ const u8 *src,
+ const u8 *buf, size_t len)
+{
+ struct wpa_ssid *ssid;
+ const u8 *connector, *trans_id, *status;
+ u16 connector_len, trans_id_len, status_len;
+ struct dpp_introduction intro;
+ struct rsn_pmksa_cache_entry *entry;
+ struct os_time now;
+ struct os_reltime rnow;
+ os_time_t expiry;
+ unsigned int seconds;
+ enum dpp_status_error res;
+
+ wpa_printf(MSG_DEBUG, "DPP: Peer Discovery Response from " MACSTR,
+ MAC2STR(src));
+ if (is_zero_ether_addr(wpa_s->dpp_intro_bssid) ||
+ os_memcmp(src, wpa_s->dpp_intro_bssid, ETH_ALEN) != 0) {
+ wpa_printf(MSG_DEBUG, "DPP: Not waiting for response from "
+ MACSTR " - drop", MAC2STR(src));
+ return;
+ }
+ offchannel_send_action_done(wpa_s);
+
+ for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
+ if (ssid == wpa_s->dpp_intro_network)
+ break;
+ }
+ if (!ssid || !ssid->dpp_connector || !ssid->dpp_netaccesskey ||
+ !ssid->dpp_csign) {
wpa_printf(MSG_DEBUG,
- "DPP: Ignored unsupported frame subtype %d", type);
- break;
+ "DPP: Profile not found for network introduction");
+ return;
+ }
+
+ trans_id = dpp_get_attr(buf, len, DPP_ATTR_TRANSACTION_ID,
+ &trans_id_len);
+ if (!trans_id || trans_id_len != 1) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Peer did not include Transaction ID");
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR
+ " fail=missing_transaction_id", MAC2STR(src));
+ goto fail;
+ }
+ if (trans_id[0] != TRANSACTION_ID) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Ignore frame with unexpected Transaction ID %u",
+ trans_id[0]);
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR
+ " fail=transaction_id_mismatch", MAC2STR(src));
+ goto fail;
+ }
+
+ status = dpp_get_attr(buf, len, DPP_ATTR_STATUS, &status_len);
+ if (!status || status_len != 1) {
+ wpa_printf(MSG_DEBUG, "DPP: Peer did not include Status");
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR
+ " fail=missing_status", MAC2STR(src));
+ goto fail;
+ }
+ if (status[0] != DPP_STATUS_OK) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Peer rejected network introduction: Status %u",
+ status[0]);
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR
+ " status=%u", MAC2STR(src), status[0]);
+ goto fail;
+ }
+
+ connector = dpp_get_attr(buf, len, DPP_ATTR_CONNECTOR, &connector_len);
+ if (!connector) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Peer did not include its Connector");
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR
+ " fail=missing_connector", MAC2STR(src));
+ goto fail;
+ }
+
+ res = dpp_peer_intro(&intro, ssid->dpp_connector,
+ ssid->dpp_netaccesskey,
+ ssid->dpp_netaccesskey_len,
+ ssid->dpp_csign,
+ ssid->dpp_csign_len,
+ connector, connector_len, &expiry);
+ if (res != DPP_STATUS_OK) {
+ wpa_printf(MSG_INFO,
+ "DPP: Network Introduction protocol resulted in failure");
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR
+ " fail=peer_connector_validation_failed", MAC2STR(src));
+ goto fail;
+ }
+
+ entry = os_zalloc(sizeof(*entry));
+ if (!entry)
+ goto fail;
+ os_memcpy(entry->aa, src, ETH_ALEN);
+ os_memcpy(entry->pmkid, intro.pmkid, PMKID_LEN);
+ os_memcpy(entry->pmk, intro.pmk, intro.pmk_len);
+ entry->pmk_len = intro.pmk_len;
+ entry->akmp = WPA_KEY_MGMT_DPP;
+ if (expiry) {
+ os_get_time(&now);
+ seconds = expiry - now.sec;
+ } else {
+ seconds = 86400 * 7;
+ }
+ os_get_reltime(&rnow);
+ entry->expiration = rnow.sec + seconds;
+ entry->reauth_time = rnow.sec + seconds;
+ entry->network_ctx = ssid;
+ wpa_sm_pmksa_cache_add_entry(wpa_s->wpa, entry);
+
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_INTRO "peer=" MACSTR
+ " status=%u", MAC2STR(src), status[0]);
+
+ wpa_printf(MSG_DEBUG,
+ "DPP: Try connection again after successful network introduction");
+ if (wpa_supplicant_fast_associate(wpa_s) != 1) {
+ wpa_supplicant_cancel_sched_scan(wpa_s);
+ wpa_supplicant_req_scan(wpa_s, 0, 0);
}
+fail:
+ os_memset(&intro, 0, sizeof(intro));
}
-int wpas_dpp_init(struct wpa_supplicant *wpa_s)
+static int wpas_dpp_allow_ir(struct wpa_supplicant *wpa_s, unsigned int freq)
{
- dl_list_init(&wpa_s->dpp_bootstrap);
- wpa_s->dpp_init_done = 1;
+ int i, j;
+
+ if (!wpa_s->hw.modes)
+ return -1;
+
+ for (i = 0; i < wpa_s->hw.num_modes; i++) {
+ struct hostapd_hw_modes *mode = &wpa_s->hw.modes[i];
+
+ for (j = 0; j < mode->num_channels; j++) {
+ struct hostapd_channel_data *chan = &mode->channels[j];
+
+ if (chan->freq != (int) freq)
+ continue;
+
+ if (chan->flag & (HOSTAPD_CHAN_DISABLED |
+ HOSTAPD_CHAN_NO_IR |
+ HOSTAPD_CHAN_RADAR))
+ continue;
+
+ return 1;
+ }
+ }
+
+ wpa_printf(MSG_DEBUG,
+ "DPP: Frequency %u MHz not supported or does not allow PKEX initiation in the current channel list",
+ freq);
+
return 0;
}
-void wpas_dpp_deinit(struct wpa_supplicant *wpa_s)
+static int wpas_dpp_pkex_next_channel(struct wpa_supplicant *wpa_s,
+ struct dpp_pkex *pkex)
+{
+ if (pkex->freq == 2437)
+ pkex->freq = 5745;
+ else if (pkex->freq == 5745)
+ pkex->freq = 5220;
+ else if (pkex->freq == 5220)
+ pkex->freq = 60480;
+ else
+ return -1; /* no more channels to try */
+
+ if (wpas_dpp_allow_ir(wpa_s, pkex->freq) == 1) {
+ wpa_printf(MSG_DEBUG, "DPP: Try to initiate on %u MHz",
+ pkex->freq);
+ return 0;
+ }
+
+ /* Could not use this channel - try the next one */
+ return wpas_dpp_pkex_next_channel(wpa_s, pkex);
+}
+
+
+static void wpas_dpp_pkex_retry_timeout(void *eloop_ctx, void *timeout_ctx)
{
- if (!wpa_s->dpp_init_done)
+ struct wpa_supplicant *wpa_s = eloop_ctx;
+ struct dpp_pkex *pkex = wpa_s->dpp_pkex;
+
+ if (!pkex || !pkex->exchange_req)
return;
- eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL);
- offchannel_send_action_done(wpa_s);
- wpas_dpp_listen_stop(wpa_s);
- dpp_bootstrap_del(wpa_s, 0);
- dpp_auth_deinit(wpa_s->dpp_auth);
+ if (pkex->exch_req_tries >= 5) {
+ if (wpas_dpp_pkex_next_channel(wpa_s, pkex) < 0) {
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_FAIL
+ "No response from PKEX peer");
+ dpp_pkex_free(pkex);
+ wpa_s->dpp_pkex = NULL;
+ return;
+ }
+ pkex->exch_req_tries = 0;
+ }
+
+ pkex->exch_req_tries++;
+ wpa_printf(MSG_DEBUG, "DPP: Retransmit PKEX Exchange Request (try %u)",
+ pkex->exch_req_tries);
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d",
+ MAC2STR(broadcast), pkex->freq, DPP_PA_PKEX_EXCHANGE_REQ);
+ offchannel_send_action(wpa_s, pkex->freq, broadcast,
+ wpa_s->own_addr, broadcast,
+ wpabuf_head(pkex->exchange_req),
+ wpabuf_len(pkex->exchange_req),
+ pkex->exch_req_wait_time,
+ wpas_dpp_tx_pkex_status, 0);
+}
+
+
+static void
+wpas_dpp_tx_pkex_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)
+{
+ const char *res_txt;
+ struct dpp_pkex *pkex = wpa_s->dpp_pkex;
+
+ res_txt = result == OFFCHANNEL_SEND_ACTION_SUCCESS ? "SUCCESS" :
+ (result == OFFCHANNEL_SEND_ACTION_NO_ACK ? "no-ACK" :
+ "FAILED");
+ wpa_printf(MSG_DEBUG, "DPP: TX status: freq=%u dst=" MACSTR
+ " result=%s (PKEX)",
+ freq, MAC2STR(dst), res_txt);
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX_STATUS "dst=" MACSTR
+ " freq=%u result=%s", MAC2STR(dst), freq, res_txt);
+
+ if (!pkex) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Ignore TX status since there is no ongoing PKEX exchange");
+ return;
+ }
+
+ if (pkex->failed) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Terminate PKEX exchange due to an earlier error");
+ if (pkex->t > pkex->own_bi->pkex_t)
+ pkex->own_bi->pkex_t = pkex->t;
+ dpp_pkex_free(pkex);
+ wpa_s->dpp_pkex = NULL;
+ return;
+ }
+
+ if (pkex->exch_req_wait_time && pkex->exchange_req) {
+ /* Wait for PKEX Exchange Response frame and retry request if
+ * no response is seen. */
+ eloop_cancel_timeout(wpas_dpp_pkex_retry_timeout, wpa_s, NULL);
+ eloop_register_timeout(pkex->exch_req_wait_time / 1000,
+ (pkex->exch_req_wait_time % 1000) * 1000,
+ wpas_dpp_pkex_retry_timeout, wpa_s,
+ NULL);
+ }
+}
+
+
+static void
+wpas_dpp_rx_pkex_exchange_req(struct wpa_supplicant *wpa_s, const u8 *src,
+ const u8 *buf, size_t len, unsigned int freq)
+{
+ struct wpabuf *msg;
+ unsigned int wait_time;
+
+ wpa_printf(MSG_DEBUG, "DPP: PKEX Exchange Request from " MACSTR,
+ MAC2STR(src));
+
+ /* TODO: Support multiple PKEX codes by iterating over all the enabled
+ * values here */
+
+ if (!wpa_s->dpp_pkex_code || !wpa_s->dpp_pkex_bi) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: No PKEX code configured - ignore request");
+ return;
+ }
+
+ if (wpa_s->dpp_pkex) {
+ /* TODO: Support parallel operations */
+ wpa_printf(MSG_DEBUG,
+ "DPP: Already in PKEX session - ignore new request");
+ return;
+ }
+
+ wpa_s->dpp_pkex = dpp_pkex_rx_exchange_req(wpa_s, wpa_s->dpp_pkex_bi,
+ wpa_s->own_addr, src,
+ wpa_s->dpp_pkex_identifier,
+ wpa_s->dpp_pkex_code,
+ buf, len);
+ if (!wpa_s->dpp_pkex) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Failed to process the request - ignore it");
+ return;
+ }
+
+ msg = wpa_s->dpp_pkex->exchange_resp;
+ wait_time = wpa_s->max_remain_on_chan;
+ if (wait_time > 2000)
+ wait_time = 2000;
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d",
+ MAC2STR(src), freq, DPP_PA_PKEX_EXCHANGE_RESP);
+ offchannel_send_action(wpa_s, freq, src, wpa_s->own_addr,
+ broadcast,
+ wpabuf_head(msg), wpabuf_len(msg),
+ wait_time, wpas_dpp_tx_pkex_status, 0);
+}
+
+
+static void
+wpas_dpp_rx_pkex_exchange_resp(struct wpa_supplicant *wpa_s, const u8 *src,
+ const u8 *buf, size_t len, unsigned int freq)
+{
+ struct wpabuf *msg;
+ unsigned int wait_time;
+
+ wpa_printf(MSG_DEBUG, "DPP: PKEX Exchange Response from " MACSTR,
+ MAC2STR(src));
+
+ /* TODO: Support multiple PKEX codes by iterating over all the enabled
+ * values here */
+
+ if (!wpa_s->dpp_pkex || !wpa_s->dpp_pkex->initiator ||
+ wpa_s->dpp_pkex->exchange_done) {
+ wpa_printf(MSG_DEBUG, "DPP: No matching PKEX session");
+ return;
+ }
+
+ eloop_cancel_timeout(wpas_dpp_pkex_retry_timeout, wpa_s, NULL);
+ wpa_s->dpp_pkex->exch_req_wait_time = 0;
+
+ msg = dpp_pkex_rx_exchange_resp(wpa_s->dpp_pkex, src, buf, len);
+ if (!msg) {
+ wpa_printf(MSG_DEBUG, "DPP: Failed to process the response");
+ return;
+ }
+
+ wpa_printf(MSG_DEBUG, "DPP: Send PKEX Commit-Reveal Request to " MACSTR,
+ MAC2STR(src));
+
+ wait_time = wpa_s->max_remain_on_chan;
+ if (wait_time > 2000)
+ wait_time = 2000;
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d",
+ MAC2STR(src), freq, DPP_PA_PKEX_COMMIT_REVEAL_REQ);
+ offchannel_send_action(wpa_s, freq, src, wpa_s->own_addr,
+ broadcast,
+ wpabuf_head(msg), wpabuf_len(msg),
+ wait_time, wpas_dpp_tx_pkex_status, 0);
+ wpabuf_free(msg);
+}
+
+
+static struct dpp_bootstrap_info *
+wpas_dpp_pkex_finish(struct wpa_supplicant *wpa_s, const u8 *peer,
+ unsigned int freq)
+{
+ struct dpp_bootstrap_info *bi;
+
+ bi = dpp_pkex_finish(wpa_s->dpp, wpa_s->dpp_pkex, peer, freq);
+ if (!bi)
+ return NULL;
+ wpa_s->dpp_pkex = NULL;
+ return bi;
+}
+
+
+static void
+wpas_dpp_rx_pkex_commit_reveal_req(struct wpa_supplicant *wpa_s, const u8 *src,
+ const u8 *hdr, const u8 *buf, size_t len,
+ unsigned int freq)
+{
+ struct wpabuf *msg;
+ unsigned int wait_time;
+ struct dpp_pkex *pkex = wpa_s->dpp_pkex;
+
+ wpa_printf(MSG_DEBUG, "DPP: PKEX Commit-Reveal Request from " MACSTR,
+ MAC2STR(src));
+
+ if (!pkex || pkex->initiator || !pkex->exchange_done) {
+ wpa_printf(MSG_DEBUG, "DPP: No matching PKEX session");
+ return;
+ }
+
+ msg = dpp_pkex_rx_commit_reveal_req(pkex, hdr, buf, len);
+ if (!msg) {
+ wpa_printf(MSG_DEBUG, "DPP: Failed to process the request");
+ if (pkex->failed) {
+ wpa_printf(MSG_DEBUG, "DPP: Terminate PKEX exchange");
+ if (pkex->t > pkex->own_bi->pkex_t)
+ pkex->own_bi->pkex_t = pkex->t;
+ dpp_pkex_free(wpa_s->dpp_pkex);
+ wpa_s->dpp_pkex = NULL;
+ }
+ return;
+ }
+
+ wpa_printf(MSG_DEBUG, "DPP: Send PKEX Commit-Reveal Response to "
+ MACSTR, MAC2STR(src));
+
+ wait_time = wpa_s->max_remain_on_chan;
+ if (wait_time > 2000)
+ wait_time = 2000;
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d",
+ MAC2STR(src), freq, DPP_PA_PKEX_COMMIT_REVEAL_RESP);
+ offchannel_send_action(wpa_s, freq, src, wpa_s->own_addr,
+ broadcast,
+ wpabuf_head(msg), wpabuf_len(msg),
+ wait_time, wpas_dpp_tx_pkex_status, 0);
+ wpabuf_free(msg);
+
+ wpas_dpp_pkex_finish(wpa_s, src, freq);
+}
+
+
+static void
+wpas_dpp_rx_pkex_commit_reveal_resp(struct wpa_supplicant *wpa_s, const u8 *src,
+ const u8 *hdr, const u8 *buf, size_t len,
+ unsigned int freq)
+{
+ int res;
+ struct dpp_bootstrap_info *bi;
+ struct dpp_pkex *pkex = wpa_s->dpp_pkex;
+ char cmd[500];
+
+ wpa_printf(MSG_DEBUG, "DPP: PKEX Commit-Reveal Response from " MACSTR,
+ MAC2STR(src));
+
+ if (!pkex || !pkex->initiator || !pkex->exchange_done) {
+ wpa_printf(MSG_DEBUG, "DPP: No matching PKEX session");
+ return;
+ }
+
+ res = dpp_pkex_rx_commit_reveal_resp(pkex, hdr, buf, len);
+ if (res < 0) {
+ wpa_printf(MSG_DEBUG, "DPP: Failed to process the response");
+ return;
+ }
+
+ bi = wpas_dpp_pkex_finish(wpa_s, src, freq);
+ if (!bi)
+ return;
+
+ os_snprintf(cmd, sizeof(cmd), " peer=%u %s",
+ bi->id,
+ wpa_s->dpp_pkex_auth_cmd ? wpa_s->dpp_pkex_auth_cmd : "");
+ wpa_printf(MSG_DEBUG,
+ "DPP: Start authentication after PKEX with parameters: %s",
+ cmd);
+ if (wpas_dpp_auth_init(wpa_s, cmd) < 0) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Authentication initialization failed");
+ return;
+ }
+}
+
+
+void wpas_dpp_rx_action(struct wpa_supplicant *wpa_s, const u8 *src,
+ const u8 *buf, size_t len, unsigned int freq)
+{
+ u8 crypto_suite;
+ enum dpp_public_action_frame_type type;
+ const u8 *hdr;
+ unsigned int pkex_t;
+
+ if (len < DPP_HDR_LEN)
+ return;
+ if (WPA_GET_BE24(buf) != OUI_WFA || buf[3] != DPP_OUI_TYPE)
+ return;
+ hdr = buf;
+ buf += 4;
+ len -= 4;
+ crypto_suite = *buf++;
+ type = *buf++;
+ len -= 2;
+
+ wpa_printf(MSG_DEBUG,
+ "DPP: Received DPP Public Action frame crypto suite %u type %d from "
+ MACSTR " freq=%u",
+ crypto_suite, type, MAC2STR(src), freq);
+ if (crypto_suite != 1) {
+ wpa_printf(MSG_DEBUG, "DPP: Unsupported crypto suite %u",
+ crypto_suite);
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_RX "src=" MACSTR
+ " freq=%u type=%d ignore=unsupported-crypto-suite",
+ MAC2STR(src), freq, type);
+ return;
+ }
+ wpa_hexdump(MSG_MSGDUMP, "DPP: Received message attributes", buf, len);
+ if (dpp_check_attrs(buf, len) < 0) {
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_RX "src=" MACSTR
+ " freq=%u type=%d ignore=invalid-attributes",
+ MAC2STR(src), freq, type);
+ return;
+ }
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_RX "src=" MACSTR " freq=%u type=%d",
+ MAC2STR(src), freq, type);
+
+ switch (type) {
+ case DPP_PA_AUTHENTICATION_REQ:
+ wpas_dpp_rx_auth_req(wpa_s, src, hdr, buf, len, freq);
+ break;
+ case DPP_PA_AUTHENTICATION_RESP:
+ wpas_dpp_rx_auth_resp(wpa_s, src, hdr, buf, len, freq);
+ break;
+ case DPP_PA_AUTHENTICATION_CONF:
+ wpas_dpp_rx_auth_conf(wpa_s, src, hdr, buf, len);
+ break;
+ case DPP_PA_PEER_DISCOVERY_RESP:
+ wpas_dpp_rx_peer_disc_resp(wpa_s, src, buf, len);
+ break;
+ case DPP_PA_PKEX_EXCHANGE_REQ:
+ wpas_dpp_rx_pkex_exchange_req(wpa_s, src, buf, len, freq);
+ break;
+ case DPP_PA_PKEX_EXCHANGE_RESP:
+ wpas_dpp_rx_pkex_exchange_resp(wpa_s, src, buf, len, freq);
+ break;
+ case DPP_PA_PKEX_COMMIT_REVEAL_REQ:
+ wpas_dpp_rx_pkex_commit_reveal_req(wpa_s, src, hdr, buf, len,
+ freq);
+ break;
+ case DPP_PA_PKEX_COMMIT_REVEAL_RESP:
+ wpas_dpp_rx_pkex_commit_reveal_resp(wpa_s, src, hdr, buf, len,
+ freq);
+ break;
+#ifdef CONFIG_DPP2
+ case DPP_PA_CONFIGURATION_RESULT:
+ wpas_dpp_rx_conf_result(wpa_s, src, hdr, buf, len);
+ break;
+#endif /* CONFIG_DPP2 */
+ default:
+ wpa_printf(MSG_DEBUG,
+ "DPP: Ignored unsupported frame subtype %d", type);
+ break;
+ }
+
+ if (wpa_s->dpp_pkex)
+ pkex_t = wpa_s->dpp_pkex->t;
+ else if (wpa_s->dpp_pkex_bi)
+ pkex_t = wpa_s->dpp_pkex_bi->pkex_t;
+ else
+ pkex_t = 0;
+ if (pkex_t >= PKEX_COUNTER_T_LIMIT) {
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_PKEX_T_LIMIT "id=0");
+ wpas_dpp_pkex_remove(wpa_s, "*");
+ }
+}
+
+
+static struct wpabuf *
+wpas_dpp_gas_req_handler(void *ctx, const u8 *sa, const u8 *query,
+ size_t query_len)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ struct dpp_authentication *auth = wpa_s->dpp_auth;
+ struct wpabuf *resp;
+
+ wpa_printf(MSG_DEBUG, "DPP: GAS request from " MACSTR,
+ MAC2STR(sa));
+ if (!auth || !auth->auth_success ||
+ os_memcmp(sa, auth->peer_mac_addr, ETH_ALEN) != 0) {
+ wpa_printf(MSG_DEBUG, "DPP: No matching exchange in progress");
+ return NULL;
+ }
+
+ if (wpa_s->dpp_auth_ok_on_ack && auth->configurator) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Have not received ACK for Auth Confirm yet - assume it was received based on this GAS request");
+ /* wpas_dpp_auth_success() would normally have been called from
+ * TX status handler, but since there was no such handler call
+ * yet, simply send out the event message and proceed with
+ * exchange. */
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_AUTH_SUCCESS "init=1");
+ wpa_s->dpp_auth_ok_on_ack = 0;
+ }
+
+ wpa_hexdump(MSG_DEBUG,
+ "DPP: Received Configuration Request (GAS Query Request)",
+ query, query_len);
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_REQ_RX "src=" MACSTR,
+ MAC2STR(sa));
+ resp = dpp_conf_req_rx(auth, query, query_len);
+ if (!resp)
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_FAILED);
+ auth->conf_resp = resp;
+ return resp;
+}
+
+
+static void
+wpas_dpp_gas_status_handler(void *ctx, struct wpabuf *resp, int ok)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ struct dpp_authentication *auth = wpa_s->dpp_auth;
+
+ if (!auth) {
+ wpabuf_free(resp);
+ return;
+ }
+ if (auth->conf_resp != resp) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Ignore GAS status report (ok=%d) for unknown response",
+ ok);
+ wpabuf_free(resp);
+ return;
+ }
+
+ wpa_printf(MSG_DEBUG, "DPP: Configuration exchange completed (ok=%d)",
+ ok);
+ eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL);
+ eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout, wpa_s, NULL);
+#ifdef CONFIG_DPP2
+ if (ok && auth->peer_version >= 2 &&
+ auth->conf_resp_status == DPP_STATUS_OK) {
+ wpa_printf(MSG_DEBUG, "DPP: Wait for Configuration Result");
+ auth->waiting_conf_result = 1;
+ auth->conf_resp = NULL;
+ wpabuf_free(resp);
+ eloop_cancel_timeout(wpas_dpp_config_result_wait_timeout,
+ wpa_s, NULL);
+ eloop_register_timeout(2, 0,
+ wpas_dpp_config_result_wait_timeout,
+ wpa_s, NULL);
+ return;
+ }
+#endif /* CONFIG_DPP2 */
+ offchannel_send_action_done(wpa_s);
+ wpas_dpp_listen_stop(wpa_s);
+ if (ok)
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_SENT);
+ else
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_CONF_FAILED);
+ dpp_auth_deinit(wpa_s->dpp_auth);
wpa_s->dpp_auth = NULL;
+ wpabuf_free(resp);
+}
+
+
+int wpas_dpp_configurator_sign(struct wpa_supplicant *wpa_s, const char *cmd)
+{
+ struct dpp_authentication *auth;
+ int ret = -1;
+ char *curve = NULL;
+
+ auth = os_zalloc(sizeof(*auth));
+ 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 &&
+ dpp_configurator_own_config(auth, curve, 0) == 0)
+ ret = wpas_dpp_handle_config_obj(wpa_s, auth);
+
+ dpp_auth_deinit(auth);
+ os_free(curve);
+
+ return ret;
+}
+
+
+static void
+wpas_dpp_tx_introduction_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)
+{
+ const char *res_txt;
+
+ res_txt = result == OFFCHANNEL_SEND_ACTION_SUCCESS ? "SUCCESS" :
+ (result == OFFCHANNEL_SEND_ACTION_NO_ACK ? "no-ACK" :
+ "FAILED");
+ wpa_printf(MSG_DEBUG, "DPP: TX status: freq=%u dst=" MACSTR
+ " result=%s (DPP Peer Discovery Request)",
+ freq, MAC2STR(dst), res_txt);
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX_STATUS "dst=" MACSTR
+ " freq=%u result=%s", MAC2STR(dst), freq, res_txt);
+ /* TODO: Time out wait for response more quickly in error cases? */
+}
+
+
+int wpas_dpp_check_connect(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
+ struct wpa_bss *bss)
+{
+ struct os_time now;
+ struct wpabuf *msg;
+ unsigned int wait_time;
+ const u8 *rsn;
+ struct wpa_ie_data ied;
+
+ if (!(ssid->key_mgmt & WPA_KEY_MGMT_DPP) || !bss)
+ return 0; /* Not using DPP AKM - continue */
+ rsn = wpa_bss_get_ie(bss, WLAN_EID_RSN);
+ if (rsn && wpa_parse_wpa_ie(rsn, 2 + rsn[1], &ied) == 0 &&
+ !(ied.key_mgmt & WPA_KEY_MGMT_DPP))
+ return 0; /* AP does not support DPP AKM - continue */
+ if (wpa_sm_pmksa_exists(wpa_s->wpa, bss->bssid, ssid))
+ return 0; /* PMKSA exists for DPP AKM - continue */
+
+ if (!ssid->dpp_connector || !ssid->dpp_netaccesskey ||
+ !ssid->dpp_csign) {
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_MISSING_CONNECTOR
+ "missing %s",
+ !ssid->dpp_connector ? "Connector" :
+ (!ssid->dpp_netaccesskey ? "netAccessKey" :
+ "C-sign-key"));
+ return -1;
+ }
+
+ os_get_time(&now);
+
+ if (ssid->dpp_netaccesskey_expiry &&
+ (os_time_t) ssid->dpp_netaccesskey_expiry < now.sec) {
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_MISSING_CONNECTOR
+ "netAccessKey expired");
+ return -1;
+ }
+
+ wpa_printf(MSG_DEBUG,
+ "DPP: Starting network introduction protocol to derive PMKSA for "
+ MACSTR, MAC2STR(bss->bssid));
+
+ msg = dpp_alloc_msg(DPP_PA_PEER_DISCOVERY_REQ,
+ 5 + 4 + os_strlen(ssid->dpp_connector));
+ if (!msg)
+ return -1;
+
+#ifdef CONFIG_TESTING_OPTIONS
+ if (dpp_test == DPP_TEST_NO_TRANSACTION_ID_PEER_DISC_REQ) {
+ wpa_printf(MSG_INFO, "DPP: TESTING - no Transaction ID");
+ goto skip_trans_id;
+ }
+ if (dpp_test == DPP_TEST_INVALID_TRANSACTION_ID_PEER_DISC_REQ) {
+ wpa_printf(MSG_INFO, "DPP: TESTING - invalid Transaction ID");
+ wpabuf_put_le16(msg, DPP_ATTR_TRANSACTION_ID);
+ wpabuf_put_le16(msg, 0);
+ goto skip_trans_id;
+ }
+#endif /* CONFIG_TESTING_OPTIONS */
+
+ /* Transaction ID */
+ wpabuf_put_le16(msg, DPP_ATTR_TRANSACTION_ID);
+ wpabuf_put_le16(msg, 1);
+ wpabuf_put_u8(msg, TRANSACTION_ID);
+
+#ifdef CONFIG_TESTING_OPTIONS
+skip_trans_id:
+ if (dpp_test == DPP_TEST_NO_CONNECTOR_PEER_DISC_REQ) {
+ wpa_printf(MSG_INFO, "DPP: TESTING - no Connector");
+ goto skip_connector;
+ }
+ if (dpp_test == DPP_TEST_INVALID_CONNECTOR_PEER_DISC_REQ) {
+ char *connector;
+
+ wpa_printf(MSG_INFO, "DPP: TESTING - invalid Connector");
+ connector = dpp_corrupt_connector_signature(
+ ssid->dpp_connector);
+ if (!connector) {
+ wpabuf_free(msg);
+ return -1;
+ }
+ wpabuf_put_le16(msg, DPP_ATTR_CONNECTOR);
+ wpabuf_put_le16(msg, os_strlen(connector));
+ wpabuf_put_str(msg, connector);
+ os_free(connector);
+ goto skip_connector;
+ }
+#endif /* CONFIG_TESTING_OPTIONS */
+
+ /* DPP Connector */
+ wpabuf_put_le16(msg, DPP_ATTR_CONNECTOR);
+ wpabuf_put_le16(msg, os_strlen(ssid->dpp_connector));
+ wpabuf_put_str(msg, ssid->dpp_connector);
+
+#ifdef CONFIG_TESTING_OPTIONS
+skip_connector:
+#endif /* CONFIG_TESTING_OPTIONS */
+
+ /* TODO: Timeout on AP response */
+ wait_time = wpa_s->max_remain_on_chan;
+ if (wait_time > 2000)
+ wait_time = 2000;
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR " freq=%u type=%d",
+ MAC2STR(bss->bssid), bss->freq, DPP_PA_PEER_DISCOVERY_REQ);
+ offchannel_send_action(wpa_s, bss->freq, bss->bssid, wpa_s->own_addr,
+ broadcast,
+ wpabuf_head(msg), wpabuf_len(msg),
+ wait_time, wpas_dpp_tx_introduction_status, 0);
+ wpabuf_free(msg);
+
+ /* Request this connection attempt to terminate - new one will be
+ * started when network introduction protocol completes */
+ os_memcpy(wpa_s->dpp_intro_bssid, bss->bssid, ETH_ALEN);
+ wpa_s->dpp_intro_network = ssid;
+ return 1;
+}
+
+
+int wpas_dpp_pkex_add(struct wpa_supplicant *wpa_s, const char *cmd)
+{
+ struct dpp_bootstrap_info *own_bi;
+ const char *pos, *end;
+ unsigned int wait_time;
+
+ 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) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Identified bootstrap info not found");
+ return -1;
+ }
+ if (own_bi->type != DPP_BOOTSTRAP_PKEX) {
+ wpa_printf(MSG_DEBUG,
+ "DPP: Identified bootstrap info not for PKEX");
+ return -1;
+ }
+ wpa_s->dpp_pkex_bi = own_bi;
+ own_bi->pkex_t = 0; /* clear pending errors on new code */
+
+ os_free(wpa_s->dpp_pkex_identifier);
+ wpa_s->dpp_pkex_identifier = NULL;
+ pos = os_strstr(cmd, " identifier=");
+ if (pos) {
+ pos += 12;
+ end = os_strchr(pos, ' ');
+ if (!end)
+ return -1;
+ wpa_s->dpp_pkex_identifier = os_malloc(end - pos + 1);
+ if (!wpa_s->dpp_pkex_identifier)
+ return -1;
+ os_memcpy(wpa_s->dpp_pkex_identifier, pos, end - pos);
+ wpa_s->dpp_pkex_identifier[end - pos] = '\0';
+ }
+
+ pos = os_strstr(cmd, " code=");
+ if (!pos)
+ return -1;
+ os_free(wpa_s->dpp_pkex_code);
+ wpa_s->dpp_pkex_code = os_strdup(pos + 6);
+ if (!wpa_s->dpp_pkex_code)
+ return -1;
+
+ if (os_strstr(cmd, " init=1")) {
+ struct dpp_pkex *pkex;
+ struct wpabuf *msg;
+
+ wpa_printf(MSG_DEBUG, "DPP: Initiating PKEX");
+ dpp_pkex_free(wpa_s->dpp_pkex);
+ wpa_s->dpp_pkex = dpp_pkex_init(wpa_s, own_bi, wpa_s->own_addr,
+ wpa_s->dpp_pkex_identifier,
+ wpa_s->dpp_pkex_code);
+ pkex = wpa_s->dpp_pkex;
+ if (!pkex)
+ return -1;
+
+ msg = pkex->exchange_req;
+ wait_time = wpa_s->max_remain_on_chan;
+ if (wait_time > 2000)
+ wait_time = 2000;
+ pkex->freq = 2437;
+ wpa_msg(wpa_s, MSG_INFO, DPP_EVENT_TX "dst=" MACSTR
+ " freq=%u type=%d",
+ MAC2STR(broadcast), pkex->freq,
+ DPP_PA_PKEX_EXCHANGE_REQ);
+ offchannel_send_action(wpa_s, pkex->freq, broadcast,
+ wpa_s->own_addr, broadcast,
+ wpabuf_head(msg), wpabuf_len(msg),
+ wait_time, wpas_dpp_tx_pkex_status, 0);
+ if (wait_time == 0)
+ wait_time = 2000;
+ pkex->exch_req_wait_time = wait_time;
+ pkex->exch_req_tries = 1;
+ }
+
+ /* TODO: Support multiple PKEX info entries */
+
+ os_free(wpa_s->dpp_pkex_auth_cmd);
+ wpa_s->dpp_pkex_auth_cmd = os_strdup(cmd);
+
+ return 1;
+}
+
+
+int wpas_dpp_pkex_remove(struct wpa_supplicant *wpa_s, const char *id)
+{
+ unsigned int id_val;
+
+ if (os_strcmp(id, "*") == 0) {
+ id_val = 0;
+ } else {
+ id_val = atoi(id);
+ if (id_val == 0)
+ return -1;
+ }
+
+ if ((id_val != 0 && id_val != 1) || !wpa_s->dpp_pkex_code)
+ return -1;
+
+ /* TODO: Support multiple PKEX entries */
+ os_free(wpa_s->dpp_pkex_code);
+ wpa_s->dpp_pkex_code = NULL;
+ os_free(wpa_s->dpp_pkex_identifier);
+ wpa_s->dpp_pkex_identifier = NULL;
+ os_free(wpa_s->dpp_pkex_auth_cmd);
+ wpa_s->dpp_pkex_auth_cmd = NULL;
+ wpa_s->dpp_pkex_bi = NULL;
+ /* TODO: Remove dpp_pkex only if it is for the identified PKEX code */
+ dpp_pkex_free(wpa_s->dpp_pkex);
+ wpa_s->dpp_pkex = NULL;
+ return 0;
+}
+
+
+void wpas_dpp_stop(struct wpa_supplicant *wpa_s)
+{
+ dpp_auth_deinit(wpa_s->dpp_auth);
+ wpa_s->dpp_auth = NULL;
+ dpp_pkex_free(wpa_s->dpp_pkex);
+ wpa_s->dpp_pkex = NULL;
+ if (wpa_s->dpp_gas_client && wpa_s->dpp_gas_dialog_token >= 0)
+ gas_query_stop(wpa_s->gas, wpa_s->dpp_gas_dialog_token);
+}
+
+
+int wpas_dpp_init(struct wpa_supplicant *wpa_s)
+{
+ struct dpp_global_config config;
+ u8 adv_proto_id[7];
+
+ adv_proto_id[0] = WLAN_EID_VENDOR_SPECIFIC;
+ adv_proto_id[1] = 5;
+ WPA_PUT_BE24(&adv_proto_id[2], OUI_WFA);
+ adv_proto_id[5] = DPP_OUI_TYPE;
+ adv_proto_id[6] = 0x01;
+
+ if (gas_server_register(wpa_s->gas_server, adv_proto_id,
+ sizeof(adv_proto_id), wpas_dpp_gas_req_handler,
+ wpas_dpp_gas_status_handler, wpa_s) < 0)
+ return -1;
+
+ os_memset(&config, 0, sizeof(config));
+ config.msg_ctx = wpa_s;
+ config.cb_ctx = wpa_s;
+#ifdef CONFIG_DPP2
+ config.process_conf_obj = wpas_dpp_process_conf_obj;
+#endif /* CONFIG_DPP2 */
+ wpa_s->dpp = dpp_global_init(&config);
+ return wpa_s->dpp ? 0 : -1;
+}
+
+
+void wpas_dpp_deinit(struct wpa_supplicant *wpa_s)
+{
+#ifdef CONFIG_TESTING_OPTIONS
+ os_free(wpa_s->dpp_config_obj_override);
+ wpa_s->dpp_config_obj_override = NULL;
+ os_free(wpa_s->dpp_discovery_override);
+ wpa_s->dpp_discovery_override = NULL;
+ os_free(wpa_s->dpp_groups_override);
+ wpa_s->dpp_groups_override = NULL;
+ wpa_s->dpp_ignore_netaccesskey_mismatch = 0;
+#endif /* CONFIG_TESTING_OPTIONS */
+ if (!wpa_s->dpp)
+ return;
+ dpp_global_clear(wpa_s->dpp);
+ eloop_cancel_timeout(wpas_dpp_pkex_retry_timeout, wpa_s, NULL);
+ eloop_cancel_timeout(wpas_dpp_reply_wait_timeout, wpa_s, NULL);
+ eloop_cancel_timeout(wpas_dpp_init_timeout, wpa_s, NULL);
+ eloop_cancel_timeout(wpas_dpp_auth_resp_retry_timeout, wpa_s, NULL);
+#ifdef CONFIG_DPP2
+ eloop_cancel_timeout(wpas_dpp_config_result_wait_timeout, wpa_s, NULL);
+ dpp_pfs_free(wpa_s->dpp_pfs);
+ wpa_s->dpp_pfs = NULL;
+#endif /* CONFIG_DPP2 */
+ offchannel_send_action_done(wpa_s);
+ wpas_dpp_listen_stop(wpa_s);
+ wpas_dpp_stop(wpa_s);
+ wpas_dpp_pkex_remove(wpa_s, "*");
+ os_memset(wpa_s->dpp_intro_bssid, 0, ETH_ALEN);
+ os_free(wpa_s->dpp_configurator_params);
+ wpa_s->dpp_configurator_params = NULL;
+}
+
+
+#ifdef CONFIG_DPP2
+int wpas_dpp_controller_start(struct wpa_supplicant *wpa_s, const char *cmd)
+{
+ struct dpp_controller_config config;
+ const char *pos;
+
+ os_memset(&config, 0, sizeof(config));
+ if (cmd) {
+ pos = os_strstr(cmd, " tcp_port=");
+ if (pos) {
+ pos += 10;
+ config.tcp_port = atoi(pos);
+ }
+ }
+ config.configurator_params = wpa_s->dpp_configurator_params;
+ return dpp_controller_start(wpa_s->dpp, &config);
}
+#endif /* CONFIG_DPP2 */
projects / thirdparty / hostap.git / blobdiff