#include "common.h"
#include "eloop.h"
+#include "common/defs.h"
#include "common/ieee802_11_defs.h"
#include "common/ieee802_11_common.h"
#include "common/wpa_ctrl.h"
static void p2p_copy_client_info(struct p2p_device *dev,
struct p2p_client_info *cli)
{
- os_memcpy(dev->info.device_name, cli->dev_name, cli->dev_name_len);
- dev->info.device_name[cli->dev_name_len] = '\0';
+ p2p_copy_filter_devname(dev->info.device_name,
+ sizeof(dev->info.device_name),
+ cli->dev_name, cli->dev_name_len);
dev->info.dev_capab = cli->dev_capab;
dev->info.config_methods = cli->config_methods;
os_memcpy(dev->info.pri_dev_type, cli->pri_dev_type, 8);
end = ies + ies_len;
- for (pos = ies; pos + 1 < end; pos += len) {
+ for (pos = ies; end - pos > 1; pos += len) {
id = *pos++;
len = *pos++;
- if (pos + len > end)
+ if (len > end - pos)
break;
if (id != WLAN_EID_VENDOR_SPECIFIC || len < 3)
dev->oper_ssid_len = msg.ssid[1];
}
- if (msg.adv_service_instance && msg.adv_service_instance_len) {
- wpabuf_free(dev->info.p2ps_instance);
+ wpabuf_free(dev->info.p2ps_instance);
+ dev->info.p2ps_instance = NULL;
+ if (msg.adv_service_instance && msg.adv_service_instance_len)
dev->info.p2ps_instance = wpabuf_alloc_copy(
msg.adv_service_instance, msg.adv_service_instance_len);
- }
if (freq >= 2412 && freq <= 2484 && msg.ds_params &&
*msg.ds_params >= 1 && *msg.ds_params <= 14) {
p2p->start_after_scan = P2P_AFTER_SCAN_NOTHING;
p2p_clear_timeout(p2p);
+ if (p2p->pending_listen_freq) {
+ p2p_dbg(p2p, "Clear pending_listen_freq for p2p_find");
+ p2p->pending_listen_freq = 0;
+ }
p2p->cfg->stop_listen(p2p->cfg->cb_ctx);
p2p->find_type = type;
p2p_device_clear_reported(p2p);
+ os_memset(p2p->sd_query_no_ack, 0, ETH_ALEN);
p2p_set_state(p2p, P2P_SEARCH);
p2p->search_delay = search_delay;
p2p->in_search_delay = 0;
/**
- * p2p_prepare_channel - Select operating channel for GO Negotiation
+ * p2p_prepare_channel - Select operating channel for GO Negotiation or P2PS PD
* @p2p: P2P module context from p2p_init()
* @dev: Selected peer device
* @force_freq: Forced frequency in MHz or 0 if not forced
* Returns: 0 on success, -1 on failure (channel not supported for P2P)
*
* This function is used to do initial operating channel selection for GO
- * Negotiation prior to having received peer information. The selected channel
- * may be further optimized in p2p_reselect_channel() once the peer information
- * is available.
+ * Negotiation prior to having received peer information or for P2PS PD
+ * signalling. The selected channel may be further optimized in
+ * p2p_reselect_channel() once the peer information is available.
*/
int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev,
unsigned int force_freq, unsigned int pref_freq, int go)
dev = p2p_get_device(p2p, addr);
if (dev) {
- if (dev->country[0] == 0 && msg.listen_channel)
- os_memcpy(dev->country, msg.listen_channel, 3);
+ if (msg.listen_channel) {
+ int freq;
+
+ if (dev->country[0] == 0)
+ os_memcpy(dev->country, msg.listen_channel, 3);
+
+ freq = p2p_channel_to_freq(msg.listen_channel[3],
+ msg.listen_channel[4]);
+
+ if (freq > 0 && dev->listen_freq != freq) {
+ p2p_dbg(p2p,
+ "Updated peer " MACSTR " Listen channel (Probe Request): %d -> %d MHz",
+ MAC2STR(addr), dev->listen_freq, freq);
+ dev->listen_freq = freq;
+ }
+ }
+
os_get_reltime(&dev->last_seen);
p2p_parse_free(&msg);
return; /* already known */
return buf;
}
+static int p2p_build_probe_resp_buf(struct p2p_data *p2p, struct wpabuf *buf,
+ struct wpabuf *ies,
+ const u8 *addr, int rx_freq)
+{
+ struct ieee80211_mgmt *resp;
+ u8 channel, op_class;
+
+ resp = wpabuf_put(buf, offsetof(struct ieee80211_mgmt,
+ u.probe_resp.variable));
+
+ resp->frame_control = host_to_le16((WLAN_FC_TYPE_MGMT << 2) |
+ (WLAN_FC_STYPE_PROBE_RESP << 4));
+ os_memcpy(resp->da, addr, ETH_ALEN);
+ os_memcpy(resp->sa, p2p->cfg->dev_addr, ETH_ALEN);
+ os_memcpy(resp->bssid, p2p->cfg->dev_addr, ETH_ALEN);
+ resp->u.probe_resp.beacon_int = host_to_le16(100);
+ /* hardware or low-level driver will setup seq_ctrl and timestamp */
+ resp->u.probe_resp.capab_info =
+ host_to_le16(WLAN_CAPABILITY_SHORT_PREAMBLE |
+ WLAN_CAPABILITY_PRIVACY |
+ WLAN_CAPABILITY_SHORT_SLOT_TIME);
+
+ wpabuf_put_u8(buf, WLAN_EID_SSID);
+ wpabuf_put_u8(buf, P2P_WILDCARD_SSID_LEN);
+ wpabuf_put_data(buf, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN);
+
+ wpabuf_put_u8(buf, WLAN_EID_SUPP_RATES);
+ wpabuf_put_u8(buf, 8);
+ wpabuf_put_u8(buf, (60 / 5) | 0x80);
+ wpabuf_put_u8(buf, 90 / 5);
+ wpabuf_put_u8(buf, (120 / 5) | 0x80);
+ wpabuf_put_u8(buf, 180 / 5);
+ wpabuf_put_u8(buf, (240 / 5) | 0x80);
+ wpabuf_put_u8(buf, 360 / 5);
+ wpabuf_put_u8(buf, 480 / 5);
+ wpabuf_put_u8(buf, 540 / 5);
+
+ if (!rx_freq) {
+ channel = p2p->cfg->channel;
+ } else if (p2p_freq_to_channel(rx_freq, &op_class, &channel)) {
+ p2p_err(p2p, "Failed to convert freq to channel");
+ return -1;
+ }
+
+ wpabuf_put_u8(buf, WLAN_EID_DS_PARAMS);
+ wpabuf_put_u8(buf, 1);
+ wpabuf_put_u8(buf, channel);
+
+ wpabuf_put_buf(buf, ies);
+
+ return 0;
+}
static int p2p_service_find_asp(struct p2p_data *p2p, const u8 *hash)
{
{
struct ieee802_11_elems elems;
struct wpabuf *buf;
- struct ieee80211_mgmt *resp;
struct p2p_message msg;
struct wpabuf *ies;
- u8 channel, op_class;
if (ieee802_11_parse_elems((u8 *) ie, ie_len, &elems, 0) ==
ParseFailed) {
return P2P_PREQ_NOT_PROCESSED;
}
- resp = wpabuf_put(buf, offsetof(struct ieee80211_mgmt,
- u.probe_resp.variable));
-
- resp->frame_control = host_to_le16((WLAN_FC_TYPE_MGMT << 2) |
- (WLAN_FC_STYPE_PROBE_RESP << 4));
- os_memcpy(resp->da, addr, ETH_ALEN);
- os_memcpy(resp->sa, p2p->cfg->dev_addr, ETH_ALEN);
- os_memcpy(resp->bssid, p2p->cfg->dev_addr, ETH_ALEN);
- resp->u.probe_resp.beacon_int = host_to_le16(100);
- /* hardware or low-level driver will setup seq_ctrl and timestamp */
- resp->u.probe_resp.capab_info =
- host_to_le16(WLAN_CAPABILITY_SHORT_PREAMBLE |
- WLAN_CAPABILITY_PRIVACY |
- WLAN_CAPABILITY_SHORT_SLOT_TIME);
-
- wpabuf_put_u8(buf, WLAN_EID_SSID);
- wpabuf_put_u8(buf, P2P_WILDCARD_SSID_LEN);
- wpabuf_put_data(buf, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN);
-
- wpabuf_put_u8(buf, WLAN_EID_SUPP_RATES);
- wpabuf_put_u8(buf, 8);
- wpabuf_put_u8(buf, (60 / 5) | 0x80);
- wpabuf_put_u8(buf, 90 / 5);
- wpabuf_put_u8(buf, (120 / 5) | 0x80);
- wpabuf_put_u8(buf, 180 / 5);
- wpabuf_put_u8(buf, (240 / 5) | 0x80);
- wpabuf_put_u8(buf, 360 / 5);
- wpabuf_put_u8(buf, 480 / 5);
- wpabuf_put_u8(buf, 540 / 5);
-
- if (!rx_freq) {
- channel = p2p->cfg->channel;
- } else if (p2p_freq_to_channel(rx_freq, &op_class, &channel)) {
+ if (p2p_build_probe_resp_buf(p2p, buf, ies, addr, rx_freq)) {
wpabuf_free(ies);
wpabuf_free(buf);
return P2P_PREQ_NOT_PROCESSED;
}
- wpabuf_put_u8(buf, WLAN_EID_DS_PARAMS);
- wpabuf_put_u8(buf, 1);
- wpabuf_put_u8(buf, channel);
-
- wpabuf_put_buf(buf, ies);
wpabuf_free(ies);
p2p->cfg->send_probe_resp(p2p->cfg->cb_ctx, buf, rx_freq);
enum p2p_probe_req_status
p2p_probe_req_rx(struct p2p_data *p2p, const u8 *addr, const u8 *dst,
const u8 *bssid, const u8 *ie, size_t ie_len,
- unsigned int rx_freq)
+ unsigned int rx_freq, int p2p_lo_started)
{
enum p2p_probe_req_status res;
p2p_add_dev_from_probe_req(p2p, addr, ie, ie_len);
+ if (p2p_lo_started) {
+ p2p_dbg(p2p,
+ "Probe Response is offloaded, do not reply Probe Request");
+ return P2P_PREQ_PROCESSED;
+ }
+
res = p2p_reply_probe(p2p, addr, dst, bssid, ie, ie_len, rx_freq);
if (res != P2P_PREQ_PROCESSED && res != P2P_PREQ_NOT_PROCESSED)
return res;
wpabuf_free(p2p->wfd_coupled_sink_info);
#endif /* CONFIG_WIFI_DISPLAY */
- eloop_cancel_timeout(p2p_ext_listen_timeout, p2p, NULL);
eloop_cancel_timeout(p2p_scan_timeout, p2p, NULL);
eloop_cancel_timeout(p2p_go_neg_start, p2p, NULL);
eloop_cancel_timeout(p2p_go_neg_wait_timeout, p2p, NULL);
os_free(p2p->groups);
p2ps_prov_free(p2p);
wpabuf_free(p2p->sd_resp);
- os_free(p2p->after_scan_tx);
p2p_remove_wps_vendor_extensions(p2p);
os_free(p2p->no_go_freq.range);
p2p_service_flush_asp(p2p);
void p2p_flush(struct p2p_data *p2p)
{
struct p2p_device *dev, *prev;
+
+ p2p_ext_listen(p2p, 0, 0);
p2p_stop_find(p2p);
dl_list_for_each_safe(dev, prev, &p2p->devices, struct p2p_device,
list) {
static int p2p_pre_find_operation(struct p2p_data *p2p, struct p2p_device *dev)
{
+ int res;
+
if (dev->sd_pending_bcast_queries == 0) {
/* Initialize with total number of registered broadcast
* SD queries. */
dev->sd_pending_bcast_queries = p2p->num_p2p_sd_queries;
}
- if (p2p_start_sd(p2p, dev) == 0)
+ res = p2p_start_sd(p2p, dev);
+ if (res == -2)
+ return -2;
+ if (res == 0)
return 1;
if (dev->req_config_methods &&
void p2p_continue_find(struct p2p_data *p2p)
{
struct p2p_device *dev;
- int found;
+ int found, res;
p2p_set_state(p2p, P2P_SEARCH);
}
if (!found)
continue;
- if (p2p_pre_find_operation(p2p, dev) > 0) {
+ res = p2p_pre_find_operation(p2p, dev);
+ if (res > 0) {
p2p->last_p2p_find_oper = dev;
return;
}
+ if (res == -2)
+ goto skip_sd;
}
/*
* iteration device.
*/
dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
- if (p2p_pre_find_operation(p2p, dev) > 0) {
+ res = p2p_pre_find_operation(p2p, dev);
+ if (res > 0) {
p2p->last_p2p_find_oper = dev;
return;
}
+ if (res == -2)
+ goto skip_sd;
if (dev == p2p->last_p2p_find_oper)
break;
}
+skip_sd:
+ os_memset(p2p->sd_query_no_ack, 0, ETH_ALEN);
p2p_listen_in_find(p2p, 1);
}
p2p->pending_action_state = P2P_NO_PENDING_ACTION;
if (!success) {
- if (p2p->sd_peer)
+ if (p2p->sd_peer) {
+ if (is_zero_ether_addr(p2p->sd_query_no_ack)) {
+ os_memcpy(p2p->sd_query_no_ack,
+ p2p->sd_peer->info.p2p_device_addr,
+ ETH_ALEN);
+ p2p_dbg(p2p,
+ "First SD Query no-ACK in this search iteration: "
+ MACSTR, MAC2STR(p2p->sd_query_no_ack));
+ }
p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
+ }
p2p->sd_peer = NULL;
if (p2p->state != P2P_IDLE)
p2p_continue_find(p2p);
}
/*
+ * If after PD Request the peer doesn't expect to receive PD Response
+ * the PD Request ACK indicates a completion of the current PD. This
+ * happens only on the advertiser side sending the follow-on PD Request
+ * with the status different than 12 (Success: accepted by user).
+ */
+ if (p2p->p2ps_prov && !p2p->p2ps_prov->pd_seeker &&
+ p2p->p2ps_prov->status != P2P_SC_SUCCESS_DEFERRED) {
+ p2p_dbg(p2p, "P2PS PD completion on Follow-on PD Request ACK");
+
+ if (p2p->send_action_in_progress) {
+ p2p->send_action_in_progress = 0;
+ p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
+ }
+
+ p2p->pending_action_state = P2P_NO_PENDING_ACTION;
+
+ if (p2p->cfg->p2ps_prov_complete) {
+ p2p->cfg->p2ps_prov_complete(
+ p2p->cfg->cb_ctx,
+ p2p->p2ps_prov->status,
+ p2p->p2ps_prov->adv_mac,
+ p2p->p2ps_prov->adv_mac,
+ p2p->p2ps_prov->session_mac,
+ NULL, p2p->p2ps_prov->adv_id,
+ p2p->p2ps_prov->session_id,
+ 0, 0, NULL, 0, 0, 0,
+ NULL, NULL, 0, 0, NULL, 0);
+ }
+
+ if (p2p->user_initiated_pd)
+ p2p_reset_pending_pd(p2p);
+
+ p2ps_prov_free(p2p);
+ return;
+ }
+
+ /*
* This postponing, of resetting pending_action_state, needs to be
* done only for user initiated PD requests and not internal ones.
*/
* operation was started.
*/
p2p_dbg(p2p, "Ignore old scan result for " MACSTR
- " (rx_time=%u.%06u)",
+ " (rx_time=%u.%06u find_start=%u.%06u)",
MAC2STR(bssid), (unsigned int) rx_time->sec,
- (unsigned int) rx_time->usec);
+ (unsigned int) rx_time->usec,
+ (unsigned int) p2p->find_start.sec,
+ (unsigned int) p2p->find_start.usec);
return 0;
}
}
-void p2p_scan_ie(struct p2p_data *p2p, struct wpabuf *ies, const u8 *dev_id)
+void p2p_scan_ie(struct p2p_data *p2p, struct wpabuf *ies, const u8 *dev_id,
+ unsigned int bands)
{
u8 dev_capab;
u8 *len;
p2p_buf_add_ext_listen_timing(ies, p2p->ext_listen_period,
p2p->ext_listen_interval);
+ if (bands & BAND_60_GHZ)
+ p2p_buf_add_device_info(ies, p2p, NULL);
+
if (p2p->p2ps_seek && p2p->p2ps_seek_count)
p2p_buf_add_service_hash(ies, p2p);
break;
case P2P_PENDING_INVITATION_RESPONSE:
p2p_invitation_resp_cb(p2p, success);
+ if (p2p->inv_status != P2P_SC_SUCCESS)
+ p2p_check_after_scan_tx_continuation(p2p);
break;
case P2P_PENDING_DEV_DISC_REQUEST:
p2p_dev_disc_req_cb(p2p, success);
i, p2p->pref_freq_list[i]);
}
}
+
+
+struct wpabuf * p2p_build_probe_resp_template(struct p2p_data *p2p,
+ unsigned int freq)
+{
+ struct wpabuf *ies, *buf;
+ u8 addr[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
+ int ret;
+
+ ies = p2p_build_probe_resp_ies(p2p, NULL, 0);
+ if (!ies) {
+ wpa_printf(MSG_ERROR,
+ "CTRL: Failed to build Probe Response IEs");
+ return NULL;
+ }
+
+ buf = wpabuf_alloc(200 + wpabuf_len(ies));
+ if (!buf) {
+ wpabuf_free(ies);
+ return NULL;
+ }
+
+ ret = p2p_build_probe_resp_buf(p2p, buf, ies, addr, freq);
+ wpabuf_free(ies);
+ if (ret) {
+ wpabuf_free(buf);
+ return NULL;
+ }
+
+ return buf;
+}
projects / mech_eap.git / blobdiff