#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"
#define P2P_PEER_EXPIRATION_AGE 60
#endif /* P2P_PEER_EXPIRATION_AGE */
-#define P2P_PEER_EXPIRATION_INTERVAL (P2P_PEER_EXPIRATION_AGE / 2)
-static void p2p_expire_peers(struct p2p_data *p2p)
+void p2p_expire_peers(struct p2p_data *p2p)
{
struct p2p_device *dev, *n;
struct os_reltime now;
}
-static void p2p_expiration_timeout(void *eloop_ctx, void *timeout_ctx)
-{
- struct p2p_data *p2p = eloop_ctx;
- p2p_expire_peers(p2p);
- eloop_register_timeout(P2P_PEER_EXPIRATION_INTERVAL, 0,
- p2p_expiration_timeout, p2p, NULL);
-}
-
-
static const char * p2p_state_txt(int state)
{
switch (state) {
}
+struct p2ps_advertisement * p2p_get_p2ps_adv_list(struct p2p_data *p2p)
+{
+ return p2p ? p2p->p2ps_adv_list : NULL;
+}
+
+
+void p2p_set_intended_addr(struct p2p_data *p2p, const u8 *intended_addr)
+{
+ if (p2p && intended_addr)
+ os_memcpy(p2p->intended_addr, intended_addr, ETH_ALEN);
+}
+
+
u16 p2p_get_provisioning_info(struct p2p_data *p2p, const u8 *addr)
{
struct p2p_device *dev = NULL;
return;
}
- ies = p2p_build_probe_resp_ies(p2p);
+ ies = p2p_build_probe_resp_ies(p2p, NULL, 0);
if (ies == NULL)
return;
return 0;
}
- ies = p2p_build_probe_resp_ies(p2p);
+ ies = p2p_build_probe_resp_ies(p2p, NULL, 0);
if (ies == NULL)
return -1;
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);
static int p2p_add_group_clients(struct p2p_data *p2p, const u8 *go_dev_addr,
const u8 *go_interface_addr, int freq,
- const u8 *gi, size_t gi_len)
+ const u8 *gi, size_t gi_len,
+ struct os_reltime *rx_time)
{
struct p2p_group_info info;
size_t c;
os_memcpy(dev->interface_addr, cli->p2p_interface_addr,
ETH_ALEN);
- os_get_reltime(&dev->last_seen);
+ os_memcpy(&dev->last_seen, rx_time, sizeof(struct os_reltime));
os_memcpy(dev->member_in_go_dev, go_dev_addr, ETH_ALEN);
os_memcpy(dev->member_in_go_iface, go_interface_addr,
ETH_ALEN);
+ dev->flags |= P2P_DEV_LAST_SEEN_AS_GROUP_CLIENT;
}
return 0;
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)
/*
* Update the device entry only if the new peer
- * entry is newer than the one previously stored.
+ * entry is newer than the one previously stored, or if
+ * the device was previously seen as a P2P Client in a group
+ * and the new entry isn't older than a threshold.
*/
if (dev->last_seen.sec > 0 &&
- os_reltime_before(rx_time, &dev->last_seen)) {
- p2p_dbg(p2p, "Do not update peer entry based on old frame (rx_time=%u.%06u last_seen=%u.%06u)",
+ os_reltime_before(rx_time, &dev->last_seen) &&
+ (!(dev->flags & P2P_DEV_LAST_SEEN_AS_GROUP_CLIENT) ||
+ os_reltime_expired(&dev->last_seen, rx_time,
+ P2P_DEV_GROUP_CLIENT_RESP_THRESHOLD))) {
+ p2p_dbg(p2p,
+ "Do not update peer entry based on old frame (rx_time=%u.%06u last_seen=%u.%06u flags=0x%x)",
(unsigned int) rx_time->sec,
(unsigned int) rx_time->usec,
(unsigned int) dev->last_seen.sec,
- (unsigned int) dev->last_seen.usec);
+ (unsigned int) dev->last_seen.usec,
+ dev->flags);
p2p_parse_free(&msg);
return -1;
}
os_memcpy(&dev->last_seen, rx_time, sizeof(struct os_reltime));
- dev->flags &= ~(P2P_DEV_PROBE_REQ_ONLY | P2P_DEV_GROUP_CLIENT_ONLY);
+ dev->flags &= ~(P2P_DEV_PROBE_REQ_ONLY | P2P_DEV_GROUP_CLIENT_ONLY |
+ P2P_DEV_LAST_SEEN_AS_GROUP_CLIENT);
if (os_memcmp(addr, p2p_dev_addr, ETH_ALEN) != 0)
os_memcpy(dev->interface_addr, addr, ETH_ALEN);
if (msg.ssid &&
+ msg.ssid[1] <= sizeof(dev->oper_ssid) &&
(msg.ssid[1] != P2P_WILDCARD_SSID_LEN ||
os_memcmp(msg.ssid + 2, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN)
!= 0)) {
dev->oper_ssid_len = msg.ssid[1];
}
+ if (msg.adv_service_instance && msg.adv_service_instance_len) {
+ wpabuf_free(dev->info.p2ps_instance);
+ 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) {
int ds_freq;
if (scan_res) {
p2p_add_group_clients(p2p, p2p_dev_addr, addr, freq,
- msg.group_info, msg.group_info_len);
+ msg.group_info, msg.group_info_len,
+ rx_time);
}
p2p_parse_free(&msg);
p2p_update_peer_vendor_elems(dev, ies, ies_len);
- if (dev->flags & P2P_DEV_REPORTED && !wfd_changed)
+ if (dev->flags & P2P_DEV_REPORTED && !wfd_changed &&
+ (!msg.adv_service_instance ||
+ (dev->flags & P2P_DEV_P2PS_REPORTED)))
return 0;
p2p_dbg(p2p, "Peer found with Listen frequency %d MHz (rx_time=%u.%06u)",
!(dev->flags & P2P_DEV_REPORTED_ONCE));
dev->flags |= P2P_DEV_REPORTED | P2P_DEV_REPORTED_ONCE;
+ if (msg.adv_service_instance)
+ dev->flags |= P2P_DEV_P2PS_REPORTED;
+
return 0;
}
wpabuf_free(dev->info.wfd_subelems);
wpabuf_free(dev->info.vendor_elems);
wpabuf_free(dev->go_neg_conf);
+ wpabuf_free(dev->info.p2ps_instance);
os_free(dev);
}
adv_array = (u8 *) str_buf;
adv_len = os_strlen(str);
+ if (adv_len >= sizeof(str_buf))
+ return 0;
- for (i = 0; str[i] && i < adv_len; i++) {
+ for (i = 0; i < adv_len; i++) {
if (str[i] >= 'A' && str[i] <= 'Z')
str_buf[i] = str[i] - 'A' + 'a';
else
enum p2p_discovery_type type,
unsigned int num_req_dev_types, const u8 *req_dev_types,
const u8 *dev_id, unsigned int search_delay,
- u8 seek_count, const char **seek)
+ u8 seek_count, const char **seek, int freq)
{
int res;
* An empty seek string means no hash values, but still an ASP
* search.
*/
+ p2p_dbg(p2p, "ASP search");
p2p->p2ps_seek_count = 0;
p2p->p2ps_seek = 1;
} else if (seek && seek_count <= P2P_MAX_QUERY_HASH) {
u8 buf[P2PS_HASH_LEN];
- int i;
+ int i, count = 0;
- p2p->p2ps_seek_count = seek_count;
for (i = 0; i < seek_count; i++) {
if (!p2ps_gen_hash(p2p, seek[i], buf))
continue;
- /* If asking for wildcard, don't do others */
- if (os_memcmp(buf, p2p->wild_card_hash,
- P2PS_HASH_LEN) == 0) {
- p2p->p2ps_seek_count = 0;
- break;
- }
-
- os_memcpy(&p2p->query_hash[i * P2PS_HASH_LEN], buf,
- P2PS_HASH_LEN);
+ p2p_dbg(p2p, "Seek service %s hash " MACSTR,
+ seek[i], MAC2STR(buf));
+ os_memcpy(&p2p->p2ps_seek_hash[count * P2PS_HASH_LEN],
+ buf, P2PS_HASH_LEN);
+ count++;
}
+
+ p2p->p2ps_seek_count = count;
p2p->p2ps_seek = 1;
} else {
p2p->p2ps_seek_count = 0;
/* Special case to perform wildcard search */
if (p2p->p2ps_seek_count == 0 && p2p->p2ps_seek) {
p2p->p2ps_seek_count = 1;
- os_memcpy(&p2p->query_hash, p2p->wild_card_hash, P2PS_HASH_LEN);
+ os_memcpy(&p2p->p2ps_seek_hash, p2p->wild_card_hash,
+ P2PS_HASH_LEN);
}
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, NULL);
switch (type) {
case P2P_FIND_START_WITH_FULL:
+ if (freq > 0) {
+ /*
+ * Start with the specified channel and then move to
+ * social channels only scans.
+ */
+ res = p2p->cfg->p2p_scan(p2p->cfg->cb_ctx,
+ P2P_SCAN_SPECIFIC, freq,
+ p2p->num_req_dev_types,
+ p2p->req_dev_types, dev_id,
+ DEV_PW_DEFAULT);
+ break;
+ }
+ /* fall through */
case P2P_FIND_PROGRESSIVE:
res = p2p->cfg->p2p_scan(p2p->cfg->cb_ctx, P2P_SCAN_FULL, 0,
p2p->num_req_dev_types,
p2p_dbg(p2p, "Stopping find");
eloop_cancel_timeout(p2p_find_timeout, p2p, NULL);
p2p_clear_timeout(p2p);
- if (p2p->state == P2P_SEARCH)
+ if (p2p->state == P2P_SEARCH || p2p->state == P2P_SD_DURING_FIND)
p2p->cfg->find_stopped(p2p->cfg->cb_ctx);
p2p->p2ps_seek_count = 0;
p2p->sd_peer = NULL;
p2p->invite_peer = NULL;
p2p_stop_listen_for_freq(p2p, freq);
+ p2p->send_action_in_progress = 0;
}
static void p2p_prepare_channel_best(struct p2p_data *p2p)
{
u8 op_class, op_channel;
- const int op_classes_5ghz[] = { 124, 115, 0 };
+ const int op_classes_5ghz[] = { 124, 125, 115, 0 };
const int op_classes_ht40[] = { 126, 127, 116, 117, 0 };
const int op_classes_vht[] = { 128, 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)
int p2p_go_params(struct p2p_data *p2p, struct p2p_go_neg_results *params)
{
- p2p_build_ssid(p2p, params->ssid, ¶ms->ssid_len);
+ if (p2p->ssid_set) {
+ os_memcpy(params->ssid, p2p->ssid, p2p->ssid_len);
+ params->ssid_len = p2p->ssid_len;
+ } else {
+ p2p_build_ssid(p2p, params->ssid, ¶ms->ssid_len);
+ }
+ p2p->ssid_set = 0;
+
p2p_random(params->passphrase, p2p->cfg->passphrase_len);
return 0;
}
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 */
}
-struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p)
+struct wpabuf * p2p_build_probe_resp_ies(struct p2p_data *p2p,
+ const u8 *query_hash,
+ u8 query_count)
{
struct wpabuf *buf;
u8 *len;
if (p2p->vendor_elem && p2p->vendor_elem[VENDOR_ELEM_PROBE_RESP_P2P])
extra += wpabuf_len(p2p->vendor_elem[VENDOR_ELEM_PROBE_RESP_P2P]);
+ if (query_count)
+ extra += MAX_SVC_ADV_IE_LEN;
+
buf = wpabuf_alloc(1000 + extra);
if (buf == NULL)
return NULL;
p2p_buf_add_device_info(buf, p2p, NULL);
p2p_buf_update_ie_hdr(buf, len);
+ if (query_count) {
+ p2p_buf_add_service_instance(buf, p2p, query_count, query_hash,
+ p2p->p2ps_adv_list);
+ }
+
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 p2ps_advertisement *adv_data;
+ int any_wfa;
+
+ p2p_dbg(p2p, "ASP find - ASP list: %p", p2p->p2ps_adv_list);
+
+ /* Wildcard org.wi-fi.wfds matches any WFA spec defined service */
+ any_wfa = os_memcmp(hash, p2p->wild_card_hash, P2PS_HASH_LEN) == 0;
+
+ adv_data = p2p->p2ps_adv_list;
+ while (adv_data) {
+ if (os_memcmp(hash, adv_data->hash, P2PS_HASH_LEN) == 0)
+ return 1; /* exact hash match */
+ if (any_wfa &&
+ os_strncmp(adv_data->svc_name, P2PS_WILD_HASH_STR,
+ os_strlen(P2PS_WILD_HASH_STR)) == 0)
+ return 1; /* WFA service match */
+ adv_data = adv_data->next;
+ }
+
+ return 0;
+}
+
static enum p2p_probe_req_status
p2p_reply_probe(struct p2p_data *p2p, const u8 *addr, const u8 *dst,
- const u8 *bssid, const u8 *ie, size_t ie_len)
+ const u8 *bssid, const u8 *ie, size_t ie_len,
+ unsigned int rx_freq)
{
struct ieee802_11_elems elems;
struct wpabuf *buf;
- struct ieee80211_mgmt *resp;
struct p2p_message msg;
struct wpabuf *ies;
- if (!p2p->in_listen || !p2p->drv_in_listen) {
- /* not in Listen state - ignore Probe Request */
- p2p_dbg(p2p, "Not in Listen state (in_listen=%d drv_in_listen=%d) - ignore Probe Request",
- p2p->in_listen, p2p->drv_in_listen);
- return P2P_PREQ_NOT_LISTEN;
- }
-
if (ieee802_11_parse_elems((u8 *) ie, ie_len, &elems, 0) ==
ParseFailed) {
/* Ignore invalid Probe Request frames */
return P2P_PREQ_NOT_P2P;
}
+ if (msg.service_hash && msg.service_hash_count) {
+ const u8 *hash = msg.service_hash;
+ u8 i;
+ int p2ps_svc_found = 0;
+
+ p2p_dbg(p2p, "in_listen=%d drv_in_listen=%d when received P2PS Probe Request at %u MHz; own Listen channel %u, pending listen freq %u MHz",
+ p2p->in_listen, p2p->drv_in_listen, rx_freq,
+ p2p->cfg->channel, p2p->pending_listen_freq);
+
+ if (!p2p->in_listen && !p2p->drv_in_listen &&
+ p2p->pending_listen_freq && rx_freq &&
+ rx_freq != p2p->pending_listen_freq) {
+ p2p_dbg(p2p, "Do not reply to Probe Request frame that was received on %u MHz while waiting to start Listen state on %u MHz",
+ rx_freq, p2p->pending_listen_freq);
+ p2p_parse_free(&msg);
+ return P2P_PREQ_NOT_LISTEN;
+ }
+
+ for (i = 0; i < msg.service_hash_count; i++) {
+ if (p2p_service_find_asp(p2p, hash)) {
+ p2p_dbg(p2p, "Service Hash match found: "
+ MACSTR, MAC2STR(hash));
+ p2ps_svc_found = 1;
+ break;
+ }
+ hash += P2PS_HASH_LEN;
+ }
+
+ /* Probed hash unknown */
+ if (!p2ps_svc_found) {
+ p2p_dbg(p2p, "No Service Hash match found");
+ p2p_parse_free(&msg);
+ return P2P_PREQ_NOT_PROCESSED;
+ }
+ } else {
+ /* This is not a P2PS Probe Request */
+ p2p_dbg(p2p, "No P2PS Hash in Probe Request");
+
+ if (!p2p->in_listen || !p2p->drv_in_listen) {
+ /* not in Listen state - ignore Probe Request */
+ p2p_dbg(p2p, "Not in Listen state (in_listen=%d drv_in_listen=%d) - ignore Probe Request",
+ p2p->in_listen, p2p->drv_in_listen);
+ p2p_parse_free(&msg);
+ return P2P_PREQ_NOT_LISTEN;
+ }
+ }
+
if (msg.device_id &&
os_memcmp(msg.device_id, p2p->cfg->dev_addr, ETH_ALEN) != 0) {
/* Device ID did not match */
p2p_parse_free(&msg);
return P2P_PREQ_NOT_PROCESSED;
}
- p2p_parse_free(&msg);
if (!p2p->cfg->send_probe_resp) {
/* Response generated elsewhere */
p2p_dbg(p2p, "Probe Resp generated elsewhere - do not generate additional response");
+ p2p_parse_free(&msg);
return P2P_PREQ_NOT_PROCESSED;
}
* really only used for discovery purposes, not to learn exact BSS
* parameters.
*/
- ies = p2p_build_probe_resp_ies(p2p);
+ ies = p2p_build_probe_resp_ies(p2p, msg.service_hash,
+ msg.service_hash_count);
+ p2p_parse_free(&msg);
if (ies == NULL)
return P2P_PREQ_NOT_PROCESSED;
return P2P_PREQ_NOT_PROCESSED;
}
- resp = NULL;
- resp = wpabuf_put(buf, resp->u.probe_resp.variable - (u8 *) resp);
-
- 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);
-
- wpabuf_put_u8(buf, WLAN_EID_DS_PARAMS);
- wpabuf_put_u8(buf, 1);
- wpabuf_put_u8(buf, p2p->cfg->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_buf(buf, ies);
wpabuf_free(ies);
- p2p->cfg->send_probe_resp(p2p->cfg->cb_ctx, buf);
+ p2p->cfg->send_probe_resp(p2p->cfg->cb_ctx, buf, rx_freq);
wpabuf_free(buf);
- return P2P_PREQ_NOT_PROCESSED;
+ return P2P_PREQ_PROCESSED;
}
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)
+ const u8 *bssid, const u8 *ie, size_t ie_len,
+ 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);
- res = p2p_reply_probe(p2p, addr, dst, bssid, 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;
+ /*
+ * Activate a pending GO Negotiation/Invite flow if a received Probe
+ * Request frame is from an expected peer. Some devices may share the
+ * same address for P2P and non-P2P STA running simultaneously. The
+ * P2P_PREQ_PROCESSED and P2P_PREQ_NOT_PROCESSED p2p_reply_probe()
+ * return values verified above ensure we are handling a Probe Request
+ * frame from a P2P peer.
+ */
if ((p2p->state == P2P_CONNECT || p2p->state == P2P_CONNECT_LISTEN) &&
p2p->go_neg_peer &&
os_memcmp(addr, p2p->go_neg_peer->info.p2p_device_addr, ETH_ALEN)
p2p_dbg(p2p, "Found GO Negotiation peer - try to start GO negotiation from timeout");
eloop_cancel_timeout(p2p_go_neg_start, p2p, NULL);
eloop_register_timeout(0, 0, p2p_go_neg_start, p2p, NULL);
- return P2P_PREQ_PROCESSED;
+ return res;
}
if ((p2p->state == P2P_INVITE || p2p->state == P2P_INVITE_LISTEN) &&
p2p_dbg(p2p, "Found Invite peer - try to start Invite from timeout");
eloop_cancel_timeout(p2p_invite_start, p2p, NULL);
eloop_register_timeout(0, 0, p2p_invite_start, p2p, NULL);
- return P2P_PREQ_PROCESSED;
+ return res;
}
return res;
size_t tmplen;
int res;
u8 group_capab;
+ struct p2p_message msg;
if (p2p_ie == NULL)
return 0; /* WLAN AP is not a P2P manager */
+ os_memset(&msg, 0, sizeof(msg));
+ if (p2p_parse_p2p_ie(p2p_ie, &msg) < 0)
+ return 0;
+
+ p2p_dbg(p2p, "BSS P2P manageability %s",
+ msg.manageability ? "enabled" : "disabled");
+
+ if (!msg.manageability)
+ return 0;
+
/*
* (Re)Association Request - P2P IE
* P2P Capability attribute (shall be present)
int p2p_service_add_asp(struct p2p_data *p2p, int auto_accept, u32 adv_id,
const char *adv_str, u8 svc_state, u16 config_methods,
- const char *svc_info)
+ const char *svc_info, const u8 *cpt_priority)
{
struct p2ps_advertisement *adv_data, *tmp, **prev;
u8 buf[P2PS_HASH_LEN];
size_t adv_data_len, adv_len, info_len = 0;
+ int i;
- if (!p2p || !adv_str || !adv_str[0])
+ if (!p2p || !adv_str || !adv_str[0] || !cpt_priority)
return -1;
if (!(config_methods & p2p->cfg->config_methods)) {
adv_data->auto_accept = (u8) auto_accept;
os_memcpy(adv_data->svc_name, adv_str, adv_len);
+ for (i = 0; cpt_priority[i] && i < P2PS_FEATURE_CAPAB_CPT_MAX; i++) {
+ adv_data->cpt_priority[i] = cpt_priority[i];
+ adv_data->cpt_mask |= cpt_priority[i];
+ }
+
if (svc_info && info_len) {
adv_data->svc_info = &adv_data->svc_name[adv_len + 1];
os_memcpy(adv_data->svc_info, svc_info, info_len);
inserted:
p2p_dbg(p2p,
- "Added ASP advertisement adv_id=0x%x config_methods=0x%x svc_state=0x%x adv_str='%s'",
- adv_id, adv_data->config_methods, svc_state, adv_str);
+ "Added ASP advertisement adv_id=0x%x config_methods=0x%x svc_state=0x%x adv_str='%s' cpt_mask=0x%x",
+ adv_id, adv_data->config_methods, svc_state, adv_str,
+ adv_data->cpt_mask);
return 0;
}
+void p2p_service_flush_asp(struct p2p_data *p2p)
+{
+ struct p2ps_advertisement *adv, *prev;
+
+ if (!p2p)
+ return;
+
+ adv = p2p->p2ps_adv_list;
+ while (adv) {
+ prev = adv;
+ adv = adv->next;
+ os_free(prev);
+ }
+
+ p2p->p2ps_adv_list = NULL;
+ p2p_dbg(p2p, "All ASP advertisements flushed");
+}
+
+
int p2p_parse_dev_addr_in_p2p_ie(struct wpabuf *p2p_ie, u8 *dev_addr)
{
struct p2p_message msg;
dl_list_init(&p2p->devices);
- eloop_register_timeout(P2P_PEER_EXPIRATION_INTERVAL, 0,
- p2p_expiration_timeout, p2p, NULL);
-
p2p->go_timeout = 100;
p2p->client_timeout = 20;
p2p->num_p2p_sd_queries = 0;
void p2p_deinit(struct p2p_data *p2p)
{
- struct p2ps_advertisement *adv, *prev;
-
#ifdef CONFIG_WIFI_DISPLAY
wpabuf_free(p2p->wfd_ie_beacon);
wpabuf_free(p2p->wfd_ie_probe_req);
wpabuf_free(p2p->wfd_coupled_sink_info);
#endif /* CONFIG_WIFI_DISPLAY */
- eloop_cancel_timeout(p2p_expiration_timeout, p2p, NULL);
- 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->cfg->serial_number);
os_free(p2p->cfg->pref_chan);
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);
-
- adv = p2p->p2ps_adv_list;
- while (adv) {
- prev = adv;
- adv = adv->next;
- os_free(prev);
- }
+ p2p_service_flush_asp(p2p);
os_free(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) {
p2p_free_sd_queries(p2p);
os_free(p2p->after_scan_tx);
p2p->after_scan_tx = NULL;
+ p2p->ssid_set = 0;
}
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;
- p2p_continue_find(p2p);
+ if (p2p->state != P2P_IDLE)
+ p2p_continue_find(p2p);
return;
}
if (p2p->sd_peer == NULL) {
p2p_dbg(p2p, "No SD peer entry known");
- p2p_continue_find(p2p);
+ if (p2p->state != P2P_IDLE)
+ p2p_continue_find(p2p);
return;
}
{
struct p2p_device *dev;
- if (p2p->state != P2P_IDLE)
- return;
-
/*
* Retry the prov disc req attempt only for the peer that the user had
* requested.
}
/*
+ * 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.
*/
}
+static int p2p_check_after_scan_tx_continuation(struct p2p_data *p2p)
+{
+ if (p2p->after_scan_tx_in_progress) {
+ p2p->after_scan_tx_in_progress = 0;
+ if (p2p->start_after_scan != P2P_AFTER_SCAN_NOTHING &&
+ p2p_run_after_scan(p2p))
+ return 1;
+ if (p2p->state == P2P_SEARCH) {
+ p2p_dbg(p2p, "Continue find after after_scan_tx completion");
+ p2p_continue_find(p2p);
+ }
+ }
+
+ return 0;
+}
+
+
+static void p2p_prov_disc_resp_cb(struct p2p_data *p2p, int success)
+{
+ p2p_dbg(p2p, "Provision Discovery Response TX callback: success=%d",
+ success);
+
+ 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 (!success)
+ goto continue_search;
+
+ if (!p2p->cfg->prov_disc_resp_cb ||
+ p2p->cfg->prov_disc_resp_cb(p2p->cfg->cb_ctx) < 1)
+ goto continue_search;
+
+ p2p_dbg(p2p,
+ "Post-Provision Discovery operations started - do not try to continue other P2P operations");
+ return;
+
+continue_search:
+ p2p_check_after_scan_tx_continuation(p2p);
+}
+
+
int p2p_scan_res_handler(struct p2p_data *p2p, const u8 *bssid, int freq,
struct os_reltime *rx_time, int level, const u8 *ies,
size_t ies_len)
* 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);
p2p_dbg(p2p, "GO Negotiation Response (failure) TX callback: success=%d", success);
if (p2p->go_neg_peer && p2p->go_neg_peer->status != P2P_SC_SUCCESS) {
p2p_go_neg_failed(p2p, p2p->go_neg_peer->status);
- } else if (success) {
+ return;
+ }
+
+ if (success) {
struct p2p_device *dev;
dev = p2p_get_device(p2p, addr);
if (dev &&
dev->status == P2P_SC_FAIL_INFO_CURRENTLY_UNAVAILABLE)
dev->flags |= P2P_DEV_PEER_WAITING_RESPONSE;
}
+
+ if (p2p->state == P2P_SEARCH || p2p->state == P2P_SD_DURING_FIND)
+ p2p_continue_find(p2p);
}
p2p->send_action_in_progress = 0;
p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
}
- if (p2p->after_scan_tx_in_progress) {
- p2p->after_scan_tx_in_progress = 0;
- if (p2p->start_after_scan != P2P_AFTER_SCAN_NOTHING &&
- p2p_run_after_scan(p2p))
- break;
- if (p2p->state == P2P_SEARCH) {
- p2p_dbg(p2p, "Continue find after after_scan_tx completion");
- p2p_continue_find(p2p);
- }
- }
+ p2p_check_after_scan_tx_continuation(p2p);
break;
case P2P_PENDING_GO_NEG_REQUEST:
p2p_go_neg_req_cb(p2p, success);
case P2P_PENDING_PD:
p2p_prov_disc_cb(p2p, success);
break;
+ case P2P_PENDING_PD_RESPONSE:
+ p2p_prov_disc_resp_cb(p2p, success);
+ break;
case P2P_PENDING_INVITATION_REQUEST:
p2p_invitation_req_cb(p2p, success);
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);
static void p2p_timeout_prov_disc_req(struct p2p_data *p2p)
{
+ u32 adv_id = 0;
+ u8 *adv_mac = NULL;
+
p2p->pending_action_state = P2P_NO_PENDING_ACTION;
/*
for_join = 1;
}
+ if (p2p->p2ps_prov) {
+ adv_id = p2p->p2ps_prov->adv_id;
+ adv_mac = p2p->p2ps_prov->adv_mac;
+ }
+
if (p2p->cfg->prov_disc_fail)
p2p->cfg->prov_disc_fail(p2p->cfg->cb_ctx,
p2p->pending_pd_devaddr,
for_join ?
P2P_PROV_DISC_TIMEOUT_JOIN :
- P2P_PROV_DISC_TIMEOUT);
+ P2P_PROV_DISC_TIMEOUT,
+ adv_id, adv_mac, NULL);
p2p_reset_pending_pd(p2p);
}
}
"country=%c%c\n"
"oper_freq=%d\n"
"req_config_methods=0x%x\n"
- "flags=%s%s%s%s%s%s%s%s%s%s%s%s%s\n"
+ "flags=%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n"
"status=%d\n"
"invitation_reqs=%u\n",
(int) (now.sec - dev->last_seen.sec),
"[PD_PEER_DISPLAY]" : "",
dev->flags & P2P_DEV_PD_PEER_KEYPAD ?
"[PD_PEER_KEYPAD]" : "",
+ dev->flags & P2P_DEV_PD_PEER_P2PS ?
+ "[PD_PEER_P2PS]" : "",
dev->flags & P2P_DEV_USER_REJECTED ?
"[USER_REJECTED]" : "",
dev->flags & P2P_DEV_PEER_WAITING_RESPONSE ?
"[FORCE_FREQ]" : "",
dev->flags & P2P_DEV_PD_FOR_JOIN ?
"[PD_FOR_JOIN]" : "",
+ dev->flags & P2P_DEV_LAST_SEEN_AS_GROUP_CLIENT ?
+ "[LAST_SEEN_AS_GROUP_CLIENT]" : "",
dev->status,
dev->invitation_reqs);
if (os_snprintf_error(end - pos, res))
if (p2p_channel_to_freq(reg_class, channel) < 0)
return -1;
- p2p_dbg(p2p, "Set Listen channel: reg_class %u channel %u",
- reg_class, channel);
-
/*
* Listen channel was set in configuration or set by control interface;
* cannot override it.
*/
- if (p2p->cfg->channel_forced && forced == 0)
+ if (p2p->cfg->channel_forced && forced == 0) {
+ p2p_dbg(p2p,
+ "Listen channel was previously configured - do not override based on optimization");
return -1;
+ }
+
+ p2p_dbg(p2p, "Set Listen channel: reg_class %u channel %u",
+ reg_class, channel);
if (p2p->state == P2P_IDLE) {
p2p->cfg->reg_class = reg_class;
if (!msg.oob_go_neg_channel) {
p2p_dbg(p2p, "OOB GO Negotiation Channel attribute not included");
+ p2p_parse_free(&msg);
return -1;
}
msg.oob_go_neg_channel[4]);
if (freq < 0) {
p2p_dbg(p2p, "Unknown peer OOB GO Neg channel");
+ p2p_parse_free(&msg);
return -1;
}
role = msg.oob_go_neg_channel[5];
p2p->cfg->channel);
if (freq < 0) {
p2p_dbg(p2p, "Own listen channel not known");
+ p2p_parse_free(&msg);
return -1;
}
p2p_dbg(p2p, "Use own Listen channel as OOB GO Neg channel: %u MHz", freq);
"Timeout on waiting peer to become ready for GO Negotiation");
p2p_go_neg_failed(p2p, -1);
}
+
+
+void p2p_set_own_pref_freq_list(struct p2p_data *p2p,
+ const unsigned int *pref_freq_list,
+ unsigned int size)
+{
+ unsigned int i;
+
+ if (size > P2P_MAX_PREF_CHANNELS)
+ size = P2P_MAX_PREF_CHANNELS;
+ p2p->num_pref_freq = size;
+ for (i = 0; i < size; i++) {
+ p2p->pref_freq_list[i] = pref_freq_list[i];
+ p2p_dbg(p2p, "Own preferred frequency list[%u]=%u MHz",
+ 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