* Wi-Fi Direct - P2P module
* Copyright (c) 2009-2010, Atheros Communications
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- *
- * See README and COPYING for more details.
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
*/
#include "includes.h"
#include "eloop.h"
#include "common/ieee802_11_defs.h"
#include "common/ieee802_11_common.h"
+#include "common/wpa_ctrl.h"
+#include "crypto/sha256.h"
+#include "crypto/crypto.h"
#include "wps/wps_i.h"
#include "p2p_i.h"
#include "p2p.h"
* P2P_PEER_EXPIRATION_AGE - Number of seconds after which inactive peer
* entries will be removed
*/
-#define P2P_PEER_EXPIRATION_AGE 300
+#ifndef P2P_PEER_EXPIRATION_AGE
+#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_time now;
+ struct os_reltime now;
+ size_t i;
- os_get_time(&now);
+ os_get_reltime(&now);
dl_list_for_each_safe(dev, n, &p2p->devices, struct p2p_device, list) {
if (dev->last_seen.sec + P2P_PEER_EXPIRATION_AGE >= now.sec)
continue;
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Expiring old peer "
- "entry " MACSTR, MAC2STR(dev->p2p_device_addr));
+
+ if (dev == p2p->go_neg_peer) {
+ /*
+ * GO Negotiation is in progress with the peer, so
+ * don't expire the peer entry until GO Negotiation
+ * fails or times out.
+ */
+ continue;
+ }
+
+ if (p2p->cfg->go_connected &&
+ p2p->cfg->go_connected(p2p->cfg->cb_ctx,
+ dev->info.p2p_device_addr)) {
+ /*
+ * We are connected as a client to a group in which the
+ * peer is the GO, so do not expire the peer entry.
+ */
+ os_get_reltime(&dev->last_seen);
+ continue;
+ }
+
+ for (i = 0; i < p2p->num_groups; i++) {
+ if (p2p_group_is_client_connected(
+ p2p->groups[i], dev->info.p2p_device_addr))
+ break;
+ }
+ if (i < p2p->num_groups) {
+ /*
+ * The peer is connected as a client in a group where
+ * we are the GO, so do not expire the peer entry.
+ */
+ os_get_reltime(&dev->last_seen);
+ continue;
+ }
+
+ p2p_dbg(p2p, "Expiring old peer entry " MACSTR,
+ MAC2STR(dev->info.p2p_device_addr));
dl_list_del(&dev->list);
p2p_device_free(p2p, dev);
}
}
-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) {
}
+const char * p2p_get_state_txt(struct p2p_data *p2p)
+{
+ return p2p_state_txt(p2p->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;
+
+ if (!addr || !p2p)
+ return 0;
+
+ dev = p2p_get_device(p2p, addr);
+ if (dev)
+ return dev->wps_prov_info;
+ else
+ return 0;
+}
+
+
+void p2p_clear_provisioning_info(struct p2p_data *p2p, const u8 *addr)
+{
+ struct p2p_device *dev = NULL;
+
+ if (!addr || !p2p)
+ return;
+
+ dev = p2p_get_device(p2p, addr);
+ if (dev)
+ dev->wps_prov_info = 0;
+}
+
+
void p2p_set_state(struct p2p_data *p2p, int new_state)
{
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: State %s -> %s",
+ p2p_dbg(p2p, "State %s -> %s",
p2p_state_txt(p2p->state), p2p_state_txt(new_state));
p2p->state = new_state;
+
+ if (new_state == P2P_IDLE && p2p->pending_channel) {
+ p2p_dbg(p2p, "Apply change in listen channel");
+ p2p->cfg->reg_class = p2p->pending_reg_class;
+ p2p->cfg->channel = p2p->pending_channel;
+ p2p->pending_reg_class = 0;
+ p2p->pending_channel = 0;
+ }
}
void p2p_set_timeout(struct p2p_data *p2p, unsigned int sec, unsigned int usec)
{
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Set timeout (state=%s): %u.%06u sec",
+ p2p_dbg(p2p, "Set timeout (state=%s): %u.%06u sec",
p2p_state_txt(p2p->state), sec, usec);
eloop_cancel_timeout(p2p_state_timeout, p2p, NULL);
eloop_register_timeout(sec, usec, p2p_state_timeout, p2p, NULL);
void p2p_clear_timeout(struct p2p_data *p2p)
{
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Clear timeout (state=%s)",
- p2p_state_txt(p2p->state));
+ p2p_dbg(p2p, "Clear timeout (state=%s)", p2p_state_txt(p2p->state));
eloop_cancel_timeout(p2p_state_timeout, p2p, NULL);
}
-void p2p_go_neg_failed(struct p2p_data *p2p, struct p2p_device *peer,
- int status)
+void p2p_go_neg_failed(struct p2p_data *p2p, int status)
{
struct p2p_go_neg_results res;
- p2p_clear_timeout(p2p);
- p2p_set_state(p2p, P2P_IDLE);
+ struct p2p_device *peer = p2p->go_neg_peer;
+
+ if (!peer)
+ return;
+
+ eloop_cancel_timeout(p2p_go_neg_wait_timeout, p2p, NULL);
+ if (p2p->state != P2P_SEARCH) {
+ /*
+ * Clear timeouts related to GO Negotiation if no new p2p_find
+ * has been started.
+ */
+ p2p_clear_timeout(p2p);
+ p2p_set_state(p2p, P2P_IDLE);
+ }
+
+ peer->flags &= ~P2P_DEV_PEER_WAITING_RESPONSE;
+ peer->wps_method = WPS_NOT_READY;
+ peer->oob_pw_id = 0;
+ wpabuf_free(peer->go_neg_conf);
+ peer->go_neg_conf = NULL;
p2p->go_neg_peer = NULL;
os_memset(&res, 0, sizeof(res));
res.status = status;
- if (peer) {
- os_memcpy(res.peer_device_addr, peer->p2p_device_addr,
- ETH_ALEN);
- os_memcpy(res.peer_interface_addr, peer->intended_addr,
- ETH_ALEN);
- }
+ os_memcpy(res.peer_device_addr, peer->info.p2p_device_addr, ETH_ALEN);
+ os_memcpy(res.peer_interface_addr, peer->intended_addr, ETH_ALEN);
p2p->cfg->go_neg_completed(p2p->cfg->cb_ctx, &res);
}
-static void p2p_listen_in_find(struct p2p_data *p2p)
+static void p2p_listen_in_find(struct p2p_data *p2p, int dev_disc)
{
unsigned int r, tu;
int freq;
struct wpabuf *ies;
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Starting short listen state (state=%s)",
+ p2p_dbg(p2p, "Starting short listen state (state=%s)",
p2p_state_txt(p2p->state));
- freq = p2p_channel_to_freq(p2p->cfg->country, p2p->cfg->reg_class,
- p2p->cfg->channel);
+ if (p2p->pending_listen_freq) {
+ /* We have a pending p2p_listen request */
+ p2p_dbg(p2p, "p2p_listen command pending already");
+ return;
+ }
+
+ freq = p2p_channel_to_freq(p2p->cfg->reg_class, p2p->cfg->channel);
if (freq < 0) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Unknown regulatory class/channel");
+ p2p_dbg(p2p, "Unknown regulatory class/channel");
return;
}
- os_get_random((u8 *) &r, sizeof(r));
+ if (os_get_random((u8 *) &r, sizeof(r)) < 0)
+ r = 0;
tu = (r % ((p2p->max_disc_int - p2p->min_disc_int) + 1) +
p2p->min_disc_int) * 100;
+ if (p2p->max_disc_tu >= 0 && tu > (unsigned int) p2p->max_disc_tu)
+ tu = p2p->max_disc_tu;
+ if (!dev_disc && tu < 100)
+ tu = 100; /* Need to wait in non-device discovery use cases */
+ if (p2p->cfg->max_listen && 1024 * tu / 1000 > p2p->cfg->max_listen)
+ tu = p2p->cfg->max_listen * 1000 / 1024;
+
+ if (tu == 0) {
+ p2p_dbg(p2p, "Skip listen state since duration was 0 TU");
+ p2p_set_timeout(p2p, 0, 0);
+ return;
+ }
+
+ ies = p2p_build_probe_resp_ies(p2p, NULL, 0);
+ if (ies == NULL)
+ return;
p2p->pending_listen_freq = freq;
p2p->pending_listen_sec = 0;
p2p->pending_listen_usec = 1024 * tu;
- ies = p2p_build_probe_resp_ies(p2p);
- if (ies == NULL)
- return;
-
if (p2p->cfg->start_listen(p2p->cfg->cb_ctx, freq, 1024 * tu / 1000,
ies) < 0) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Failed to start listen mode");
+ p2p_dbg(p2p, "Failed to start listen mode");
p2p->pending_listen_freq = 0;
}
wpabuf_free(ies);
int freq;
struct wpabuf *ies;
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Going to listen(only) state");
+ p2p_dbg(p2p, "Going to listen(only) state");
+
+ if (p2p->pending_listen_freq) {
+ /* We have a pending p2p_listen request */
+ p2p_dbg(p2p, "p2p_listen command pending already");
+ return -1;
+ }
- freq = p2p_channel_to_freq(p2p->cfg->country, p2p->cfg->reg_class,
- p2p->cfg->channel);
+ freq = p2p_channel_to_freq(p2p->cfg->reg_class, p2p->cfg->channel);
if (freq < 0) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Unknown regulatory class/channel");
+ p2p_dbg(p2p, "Unknown regulatory class/channel");
return -1;
}
- p2p->pending_listen_freq = freq;
p2p->pending_listen_sec = timeout / 1000;
p2p->pending_listen_usec = (timeout % 1000) * 1000;
if (p2p->p2p_scan_running) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: p2p_scan running - delay start of listen state");
+ if (p2p->start_after_scan == P2P_AFTER_SCAN_CONNECT) {
+ p2p_dbg(p2p, "p2p_scan running - connect is already pending - skip listen");
+ return 0;
+ }
+ p2p_dbg(p2p, "p2p_scan running - delay start of listen state");
p2p->start_after_scan = P2P_AFTER_SCAN_LISTEN;
return 0;
}
- ies = p2p_build_probe_resp_ies(p2p);
+ ies = p2p_build_probe_resp_ies(p2p, NULL, 0);
if (ies == NULL)
return -1;
+ p2p->pending_listen_freq = freq;
+
if (p2p->cfg->start_listen(p2p->cfg->cb_ctx, freq, timeout, ies) < 0) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Failed to start listen mode");
+ p2p_dbg(p2p, "Failed to start listen mode");
p2p->pending_listen_freq = 0;
wpabuf_free(ies);
return -1;
static void p2p_device_clear_reported(struct p2p_data *p2p)
{
struct p2p_device *dev;
- dl_list_for_each(dev, &p2p->devices, struct p2p_device, list)
+ dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
dev->flags &= ~P2P_DEV_REPORTED;
+ dev->sd_reqs = 0;
+ }
}
{
struct p2p_device *dev;
dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
- if (os_memcmp(dev->p2p_device_addr, addr, ETH_ALEN) == 0)
+ if (os_memcmp(dev->info.p2p_device_addr, addr, ETH_ALEN) == 0)
return dev;
}
return NULL;
dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
count++;
if (oldest == NULL ||
- os_time_before(&dev->last_seen, &oldest->last_seen))
+ os_reltime_before(&dev->last_seen, &oldest->last_seen))
oldest = dev;
}
if (count + 1 > p2p->cfg->max_peers && oldest) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Remove oldest peer entry to make room for a new "
- "peer");
+ p2p_dbg(p2p, "Remove oldest peer entry to make room for a new peer");
dl_list_del(&oldest->list);
p2p_device_free(p2p, oldest);
}
if (dev == NULL)
return NULL;
dl_list_add(&p2p->devices, &dev->list);
- os_memcpy(dev->p2p_device_addr, addr, ETH_ALEN);
+ os_memcpy(dev->info.p2p_device_addr, addr, ETH_ALEN);
return dev;
}
static void p2p_copy_client_info(struct p2p_device *dev,
struct p2p_client_info *cli)
{
- os_memcpy(dev->device_name, cli->dev_name, cli->dev_name_len);
- dev->device_name[cli->dev_name_len] = '\0';
- dev->dev_capab = cli->dev_capab;
- dev->config_methods = cli->config_methods;
- os_memcpy(dev->pri_dev_type, cli->pri_dev_type, 8);
+ os_memcpy(dev->info.device_name, cli->dev_name, cli->dev_name_len);
+ dev->info.device_name[cli->dev_name_len] = '\0';
+ 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);
+ dev->info.wps_sec_dev_type_list_len = 8 * cli->num_sec_dev_types;
+ os_memcpy(dev->info.wps_sec_dev_type_list, cli->sec_dev_types,
+ dev->info.wps_sec_dev_type_list_len);
}
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;
* group, the information will be restored in the loop following this.
*/
dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
- if (os_memcpy(dev->member_in_go_iface, go_interface_addr,
+ if (os_memcmp(dev->member_in_go_iface, go_interface_addr,
ETH_ALEN) == 0) {
os_memset(dev->member_in_go_iface, 0, ETH_ALEN);
os_memset(dev->member_in_go_dev, 0, ETH_ALEN);
for (c = 0; c < info.num_clients; c++) {
struct p2p_client_info *cli = &info.client[c];
+ if (os_memcmp(cli->p2p_device_addr, p2p->cfg->dev_addr,
+ ETH_ALEN) == 0)
+ continue; /* ignore our own entry */
dev = p2p_get_device(p2p, cli->p2p_device_addr);
if (dev) {
- /*
- * Update information only if we have not received this
- * directly from the client.
- */
if (dev->flags & (P2P_DEV_GROUP_CLIENT_ONLY |
- P2P_DEV_PROBE_REQ_ONLY))
+ P2P_DEV_PROBE_REQ_ONLY)) {
+ /*
+ * Update information since we have not
+ * received this directly from the client.
+ */
p2p_copy_client_info(dev, cli);
+ } else {
+ /*
+ * Need to update P2P Client Discoverability
+ * flag since it is valid only in P2P Group
+ * Info attribute.
+ */
+ dev->info.dev_capab &=
+ ~P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY;
+ dev->info.dev_capab |=
+ cli->dev_capab &
+ P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY;
+ }
if (dev->flags & P2P_DEV_PROBE_REQ_ONLY) {
dev->flags &= ~P2P_DEV_PROBE_REQ_ONLY;
}
dev->flags |= P2P_DEV_GROUP_CLIENT_ONLY;
p2p_copy_client_info(dev, cli);
dev->oper_freq = freq;
- p2p->cfg->dev_found(
- p2p->cfg->cb_ctx, dev->p2p_device_addr,
- dev->p2p_device_addr, dev->pri_dev_type,
- dev->device_name, dev->config_methods,
- dev->dev_capab, 0);
+ p2p->cfg->dev_found(p2p->cfg->cb_ctx,
+ dev->info.p2p_device_addr,
+ &dev->info, 1);
+ dev->flags |= P2P_DEV_REPORTED | P2P_DEV_REPORTED_ONCE;
}
os_memcpy(dev->interface_addr, cli->p2p_interface_addr,
ETH_ALEN);
- os_get_time(&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;
+}
+
+
+static void p2p_copy_wps_info(struct p2p_data *p2p, struct p2p_device *dev,
+ int probe_req, const struct p2p_message *msg)
+{
+ os_memcpy(dev->info.device_name, msg->device_name,
+ sizeof(dev->info.device_name));
+
+ if (msg->manufacturer &&
+ msg->manufacturer_len < sizeof(dev->info.manufacturer)) {
+ os_memset(dev->info.manufacturer, 0,
+ sizeof(dev->info.manufacturer));
+ os_memcpy(dev->info.manufacturer, msg->manufacturer,
+ msg->manufacturer_len);
+ }
+
+ if (msg->model_name &&
+ msg->model_name_len < sizeof(dev->info.model_name)) {
+ os_memset(dev->info.model_name, 0,
+ sizeof(dev->info.model_name));
+ os_memcpy(dev->info.model_name, msg->model_name,
+ msg->model_name_len);
+ }
+
+ if (msg->model_number &&
+ msg->model_number_len < sizeof(dev->info.model_number)) {
+ os_memset(dev->info.model_number, 0,
+ sizeof(dev->info.model_number));
+ os_memcpy(dev->info.model_number, msg->model_number,
+ msg->model_number_len);
+ }
+
+ if (msg->serial_number &&
+ msg->serial_number_len < sizeof(dev->info.serial_number)) {
+ os_memset(dev->info.serial_number, 0,
+ sizeof(dev->info.serial_number));
+ os_memcpy(dev->info.serial_number, msg->serial_number,
+ msg->serial_number_len);
+ }
+
+ if (msg->pri_dev_type)
+ os_memcpy(dev->info.pri_dev_type, msg->pri_dev_type,
+ sizeof(dev->info.pri_dev_type));
+ else if (msg->wps_pri_dev_type)
+ os_memcpy(dev->info.pri_dev_type, msg->wps_pri_dev_type,
+ sizeof(dev->info.pri_dev_type));
+
+ if (msg->wps_sec_dev_type_list) {
+ os_memcpy(dev->info.wps_sec_dev_type_list,
+ msg->wps_sec_dev_type_list,
+ msg->wps_sec_dev_type_list_len);
+ dev->info.wps_sec_dev_type_list_len =
+ msg->wps_sec_dev_type_list_len;
+ }
+
+ if (msg->capability) {
+ /*
+ * P2P Client Discoverability bit is reserved in all frames
+ * that use this function, so do not change its value here.
+ */
+ dev->info.dev_capab &= P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY;
+ dev->info.dev_capab |= msg->capability[0] &
+ ~P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY;
+ dev->info.group_capab = msg->capability[1];
+ }
+
+ if (msg->ext_listen_timing) {
+ dev->ext_listen_period = WPA_GET_LE16(msg->ext_listen_timing);
+ dev->ext_listen_interval =
+ WPA_GET_LE16(msg->ext_listen_timing + 2);
+ }
+
+ if (!probe_req) {
+ u16 new_config_methods;
+ new_config_methods = msg->config_methods ?
+ msg->config_methods : msg->wps_config_methods;
+ if (new_config_methods &&
+ dev->info.config_methods != new_config_methods) {
+ p2p_dbg(p2p, "Update peer " MACSTR
+ " config_methods 0x%x -> 0x%x",
+ MAC2STR(dev->info.p2p_device_addr),
+ dev->info.config_methods,
+ new_config_methods);
+ dev->info.config_methods = new_config_methods;
+ }
+ }
+}
+
+
+static void p2p_update_peer_vendor_elems(struct p2p_device *dev, const u8 *ies,
+ size_t ies_len)
+{
+ const u8 *pos, *end;
+ u8 id, len;
+
+ wpabuf_free(dev->info.vendor_elems);
+ dev->info.vendor_elems = NULL;
+
+ end = ies + ies_len;
+
+ for (pos = ies; pos + 1 < end; pos += len) {
+ id = *pos++;
+ len = *pos++;
+
+ if (pos + len > end)
+ break;
+
+ if (id != WLAN_EID_VENDOR_SPECIFIC || len < 3)
+ continue;
+
+ if (len >= 4) {
+ u32 type = WPA_GET_BE32(pos);
+
+ if (type == WPA_IE_VENDOR_TYPE ||
+ type == WMM_IE_VENDOR_TYPE ||
+ type == WPS_IE_VENDOR_TYPE ||
+ type == P2P_IE_VENDOR_TYPE ||
+ type == WFD_IE_VENDOR_TYPE)
+ continue;
+ }
+
+ /* Unknown vendor element - make raw IE data available */
+ if (wpabuf_resize(&dev->info.vendor_elems, 2 + len) < 0)
+ break;
+ wpabuf_put_data(dev->info.vendor_elems, pos - 2, 2 + len);
+ }
+}
+
+
+static int p2p_compare_wfd_info(struct p2p_device *dev,
+ const struct p2p_message *msg)
+{
+ if (dev->info.wfd_subelems && msg->wfd_subelems) {
+ if (dev->info.wfd_subelems->used != msg->wfd_subelems->used)
+ return 1;
+
+ return os_memcmp(dev->info.wfd_subelems->buf,
+ msg->wfd_subelems->buf,
+ dev->info.wfd_subelems->used);
}
+ if (dev->info.wfd_subelems || msg->wfd_subelems)
+ return 1;
return 0;
}
/**
- * p2p_add_device - Add peer entries based on scan results
+ * p2p_add_device - Add peer entries based on scan results or P2P frames
* @p2p: P2P module context from p2p_init()
* @addr: Source address of Beacon or Probe Response frame (may be either
* P2P Device Address or P2P Interface Address)
* @level: Signal level (signal strength of the received frame from the peer)
* @freq: Frequency on which the Beacon or Probe Response frame was received
+ * @rx_time: Time when the result was received
* @ies: IEs from the Beacon or Probe Response frame
* @ies_len: Length of ies buffer in octets
+ * @scan_res: Whether this was based on scan results
* Returns: 0 on success, -1 on failure
*
* If the scan result is for a GO, the clients in the group will also be added
* like Provision Discovery Request that contains P2P Capability and P2P Device
* Info attributes.
*/
-int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, int level,
- const u8 *ies, size_t ies_len)
+int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq,
+ struct os_reltime *rx_time, int level, const u8 *ies,
+ size_t ies_len, int scan_res)
{
struct p2p_device *dev;
struct p2p_message msg;
const u8 *p2p_dev_addr;
+ int wfd_changed;
+ int i;
+ struct os_reltime time_now;
os_memset(&msg, 0, sizeof(msg));
if (p2p_parse_ies(ies, ies_len, &msg)) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Failed to parse P2P IE for a device entry");
+ p2p_dbg(p2p, "Failed to parse P2P IE for a device entry");
p2p_parse_free(&msg);
return -1;
}
else if (msg.device_id)
p2p_dev_addr = msg.device_id;
else {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Ignore scan data without P2P Device Info or "
- "P2P Device Id");
+ p2p_dbg(p2p, "Ignore scan data without P2P Device Info or P2P Device Id");
p2p_parse_free(&msg);
return -1;
}
if (!is_zero_ether_addr(p2p->peer_filter) &&
os_memcmp(p2p_dev_addr, p2p->peer_filter, ETH_ALEN) != 0) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Do not add peer "
- "filter for " MACSTR " due to peer filter",
- MAC2STR(p2p_dev_addr));
+ p2p_dbg(p2p, "Do not add peer filter for " MACSTR
+ " due to peer filter", MAC2STR(p2p_dev_addr));
+ p2p_parse_free(&msg);
return 0;
}
p2p_parse_free(&msg);
return -1;
}
- os_get_time(&dev->last_seen);
- dev->flags &= ~(P2P_DEV_PROBE_REQ_ONLY | P2P_DEV_GROUP_CLIENT_ONLY);
+
+ if (rx_time == NULL) {
+ os_get_reltime(&time_now);
+ rx_time = &time_now;
+ }
+
+ /*
+ * Update the device entry only if the new peer
+ * 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) &&
+ (!(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,
+ 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 |
+ 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;
else
ds_freq = 2407 + *msg.ds_params * 5;
if (freq != ds_freq) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Update Listen frequency based on DS "
- "Parameter Set IE: %d -> %d MHz",
+ p2p_dbg(p2p, "Update Listen frequency based on DS Parameter Set IE: %d -> %d MHz",
freq, ds_freq);
freq = ds_freq;
}
}
- if (dev->listen_freq && dev->listen_freq != freq) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Update Listen frequency based on scan "
- "results (" MACSTR " %d -> %d MHz (DS param %d)",
- MAC2STR(dev->p2p_device_addr), dev->listen_freq, freq,
- msg.ds_params ? *msg.ds_params : -1);
+ if (dev->listen_freq && dev->listen_freq != freq && scan_res) {
+ p2p_dbg(p2p, "Update Listen frequency based on scan results ("
+ MACSTR " %d -> %d MHz (DS param %d)",
+ MAC2STR(dev->info.p2p_device_addr), dev->listen_freq,
+ freq, msg.ds_params ? *msg.ds_params : -1);
+ }
+ if (scan_res) {
+ dev->listen_freq = freq;
+ if (msg.group_info)
+ dev->oper_freq = freq;
}
- dev->listen_freq = freq;
- if (msg.group_info)
- dev->oper_freq = freq;
- dev->level = level;
+ dev->info.level = level;
+
+ p2p_copy_wps_info(p2p, dev, 0, &msg);
- if (msg.pri_dev_type)
- os_memcpy(dev->pri_dev_type, msg.pri_dev_type,
- sizeof(dev->pri_dev_type));
- os_memcpy(dev->device_name, msg.device_name, sizeof(dev->device_name));
- dev->config_methods = msg.config_methods ? msg.config_methods :
- msg.wps_config_methods;
- if (msg.capability) {
- dev->dev_capab = msg.capability[0];
- dev->group_capab = msg.capability[1];
+ for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
+ wpabuf_free(dev->info.wps_vendor_ext[i]);
+ dev->info.wps_vendor_ext[i] = NULL;
}
- if (msg.ext_listen_timing) {
- dev->ext_listen_period = WPA_GET_LE16(msg.ext_listen_timing);
- dev->ext_listen_interval =
- WPA_GET_LE16(msg.ext_listen_timing + 2);
+ for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
+ if (msg.wps_vendor_ext[i] == NULL)
+ break;
+ dev->info.wps_vendor_ext[i] = wpabuf_alloc_copy(
+ msg.wps_vendor_ext[i], msg.wps_vendor_ext_len[i]);
+ if (dev->info.wps_vendor_ext[i] == NULL)
+ break;
+ }
+
+ wfd_changed = p2p_compare_wfd_info(dev, &msg);
+
+ if (msg.wfd_subelems) {
+ wpabuf_free(dev->info.wfd_subelems);
+ dev->info.wfd_subelems = wpabuf_dup(msg.wfd_subelems);
}
- p2p_add_group_clients(p2p, p2p_dev_addr, addr, freq, msg.group_info,
- msg.group_info_len);
+ if (scan_res) {
+ p2p_add_group_clients(p2p, p2p_dev_addr, addr, freq,
+ msg.group_info, msg.group_info_len,
+ rx_time);
+ }
p2p_parse_free(&msg);
- if (p2p_pending_sd_req(p2p, dev))
- dev->flags |= P2P_DEV_SD_SCHEDULE;
+ p2p_update_peer_vendor_elems(dev, ies, ies_len);
- if (dev->flags & P2P_DEV_REPORTED)
+ if (dev->flags & P2P_DEV_REPORTED && !wfd_changed &&
+ (!msg.adv_service_instance ||
+ (dev->flags & P2P_DEV_P2PS_REPORTED)))
return 0;
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Peer found with Listen frequency %d MHz", freq);
+ p2p_dbg(p2p, "Peer found with Listen frequency %d MHz (rx_time=%u.%06u)",
+ freq, (unsigned int) rx_time->sec,
+ (unsigned int) rx_time->usec);
if (dev->flags & P2P_DEV_USER_REJECTED) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Do not report rejected device");
+ p2p_dbg(p2p, "Do not report rejected device");
+ return 0;
+ }
+
+ if (dev->info.config_methods == 0 &&
+ (freq == 2412 || freq == 2437 || freq == 2462)) {
+ /*
+ * If we have only seen a Beacon frame from a GO, we do not yet
+ * know what WPS config methods it supports. Since some
+ * applications use config_methods value from P2P-DEVICE-FOUND
+ * events, postpone reporting this peer until we've fully
+ * discovered its capabilities.
+ *
+ * At least for now, do this only if the peer was detected on
+ * one of the social channels since that peer can be easily be
+ * found again and there are no limitations of having to use
+ * passive scan on this channels, so this can be done through
+ * Probe Response frame that includes the config_methods
+ * information.
+ */
+ p2p_dbg(p2p, "Do not report peer " MACSTR
+ " with unknown config methods", MAC2STR(addr));
return 0;
}
- p2p->cfg->dev_found(p2p->cfg->cb_ctx, addr, dev->p2p_device_addr,
- dev->pri_dev_type, dev->device_name,
- dev->config_methods, dev->dev_capab,
- dev->group_capab);
- dev->flags |= P2P_DEV_REPORTED;
+
+ p2p->cfg->dev_found(p2p->cfg->cb_ctx, addr, &dev->info,
+ !(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;
}
static void p2p_device_free(struct p2p_data *p2p, struct p2p_device *dev)
{
- if (p2p->go_neg_peer == dev)
- p2p->go_neg_peer = NULL;
+ int i;
+
+ if (p2p->go_neg_peer == dev) {
+ /*
+ * If GO Negotiation is in progress, report that it has failed.
+ */
+ p2p_go_neg_failed(p2p, -1);
+ }
if (p2p->invite_peer == dev)
p2p->invite_peer = NULL;
if (p2p->sd_peer == dev)
if (p2p->pending_client_disc_go == dev)
p2p->pending_client_disc_go = NULL;
+ /* dev_lost() device, but only if it was previously dev_found() */
+ if (dev->flags & P2P_DEV_REPORTED_ONCE)
+ p2p->cfg->dev_lost(p2p->cfg->cb_ctx,
+ dev->info.p2p_device_addr);
+
+ for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
+ wpabuf_free(dev->info.wps_vendor_ext[i]);
+ dev->info.wps_vendor_ext[i] = NULL;
+ }
+
+ 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);
}
channel = c->reg_class[cl].channel[ch];
}
- freq = p2p_channel_to_freq(p2p->cfg->country, reg_class, channel);
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Next progressive search "
- "channel: reg_class %u channel %u -> %d MHz",
+ freq = p2p_channel_to_freq(reg_class, channel);
+ p2p_dbg(p2p, "Next progressive search channel: reg_class %u channel %u -> %d MHz",
reg_class, channel, freq);
p2p->last_prog_scan_class = reg_class;
p2p->last_prog_scan_chan = channel;
{
int freq = 0;
enum p2p_scan_type type;
+ u16 pw_id = DEV_PW_DEFAULT;
+ int res;
if (p2p->drv_in_listen) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Driver is still "
- "in Listen state - wait for it to end before "
- "continuing");
+ p2p_dbg(p2p, "Driver is still in Listen state - wait for it to end before continuing");
return;
}
p2p->cfg->stop_listen(p2p->cfg->cb_ctx);
- if (p2p->go_neg_peer) {
- /*
- * Only scan the known listen frequency of the peer
- * during GO Negotiation start.
- */
- freq = p2p->go_neg_peer->listen_freq;
- if (freq <= 0)
- freq = p2p->go_neg_peer->oper_freq;
- type = P2P_SCAN_SPECIFIC;
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Starting search "
- "for freq %u (GO Neg)", freq);
- } else if (p2p->invite_peer) {
- /*
- * Only scan the known listen frequency of the peer
- * during Invite start.
- */
- freq = p2p->invite_peer->listen_freq;
- if (freq <= 0)
- freq = p2p->invite_peer->oper_freq;
- type = P2P_SCAN_SPECIFIC;
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Starting search "
- "for freq %u (Invite)", freq);
- } else if (p2p->find_type == P2P_FIND_PROGRESSIVE &&
- (freq = p2p_get_next_prog_freq(p2p)) > 0) {
+ if (p2p->find_type == P2P_FIND_PROGRESSIVE &&
+ (freq = p2p_get_next_prog_freq(p2p)) > 0) {
type = P2P_SCAN_SOCIAL_PLUS_ONE;
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Starting search "
- "(+ freq %u)", freq);
+ p2p_dbg(p2p, "Starting search (+ freq %u)", freq);
} else {
type = P2P_SCAN_SOCIAL;
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Starting search");
+ p2p_dbg(p2p, "Starting search");
}
- if (p2p->cfg->p2p_scan(p2p->cfg->cb_ctx, type, freq) < 0) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Scan request failed");
+ res = p2p->cfg->p2p_scan(p2p->cfg->cb_ctx, type, freq,
+ p2p->num_req_dev_types, p2p->req_dev_types,
+ p2p->find_dev_id, pw_id);
+ if (res < 0) {
+ p2p_dbg(p2p, "Scan request schedule failed");
p2p_continue_find(p2p);
- } else {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Running p2p_scan");
- p2p->p2p_scan_running = 1;
- eloop_cancel_timeout(p2p_scan_timeout, p2p, NULL);
- eloop_register_timeout(P2P_SCAN_TIMEOUT, 0, p2p_scan_timeout,
- p2p, NULL);
}
}
static void p2p_find_timeout(void *eloop_ctx, void *timeout_ctx)
{
struct p2p_data *p2p = eloop_ctx;
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Find timeout -> stop");
+ p2p_dbg(p2p, "Find timeout -> stop");
p2p_stop_find(p2p);
}
+void p2p_notify_scan_trigger_status(struct p2p_data *p2p, int status)
+{
+ if (status != 0) {
+ p2p_dbg(p2p, "Scan request failed");
+ /* Do continue find even for the first p2p_find_scan */
+ p2p_continue_find(p2p);
+ } else {
+ p2p_dbg(p2p, "Running p2p_scan");
+ p2p->p2p_scan_running = 1;
+ eloop_cancel_timeout(p2p_scan_timeout, p2p, NULL);
+ eloop_register_timeout(P2P_SCAN_TIMEOUT, 0, p2p_scan_timeout,
+ p2p, NULL);
+ }
+}
+
+
static int p2p_run_after_scan(struct p2p_data *p2p)
{
struct p2p_device *dev;
enum p2p_after_scan op;
+ if (p2p->after_scan_tx) {
+ p2p->after_scan_tx_in_progress = 1;
+ p2p_dbg(p2p, "Send pending Action frame at p2p_scan completion");
+ p2p->cfg->send_action(p2p->cfg->cb_ctx,
+ p2p->after_scan_tx->freq,
+ p2p->after_scan_tx->dst,
+ p2p->after_scan_tx->src,
+ p2p->after_scan_tx->bssid,
+ (u8 *) (p2p->after_scan_tx + 1),
+ p2p->after_scan_tx->len,
+ p2p->after_scan_tx->wait_time);
+ os_free(p2p->after_scan_tx);
+ p2p->after_scan_tx = NULL;
+ return 1;
+ }
+
op = p2p->start_after_scan;
p2p->start_after_scan = P2P_AFTER_SCAN_NOTHING;
switch (op) {
case P2P_AFTER_SCAN_NOTHING:
break;
case P2P_AFTER_SCAN_LISTEN:
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Start previously "
- "requested Listen state");
+ p2p_dbg(p2p, "Start previously requested Listen state");
p2p_listen(p2p, p2p->pending_listen_sec * 1000 +
p2p->pending_listen_usec / 1000);
return 1;
case P2P_AFTER_SCAN_CONNECT:
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Start previously "
- "requested connect with " MACSTR,
+ p2p_dbg(p2p, "Start previously requested connect with " MACSTR,
MAC2STR(p2p->after_scan_peer));
dev = p2p_get_device(p2p, p2p->after_scan_peer);
if (dev == NULL) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Peer not "
- "known anymore");
+ p2p_dbg(p2p, "Peer not known anymore");
break;
}
p2p_connect_send(p2p, dev);
{
struct p2p_data *p2p = eloop_ctx;
int running;
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: p2p_scan timeout "
- "(running=%d)", p2p->p2p_scan_running);
+ p2p_dbg(p2p, "p2p_scan timeout (running=%d)", p2p->p2p_scan_running);
running = p2p->p2p_scan_running;
/* Make sure we recover from missed scan results callback */
p2p->p2p_scan_running = 0;
}
-int p2p_find(struct p2p_data *p2p, unsigned int timeout,
- enum p2p_discovery_type type)
+static void p2p_free_req_dev_types(struct p2p_data *p2p)
{
- int res;
+ p2p->num_req_dev_types = 0;
+ os_free(p2p->req_dev_types);
+ p2p->req_dev_types = NULL;
+}
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Starting find (type=%d)",
- type);
- if (p2p->p2p_scan_running) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: p2p_scan is "
- "already running");
- }
- p2p->start_after_scan = P2P_AFTER_SCAN_NOTHING;
- p2p_clear_timeout(p2p);
- p2p->cfg->stop_listen(p2p->cfg->cb_ctx);
- p2p->find_type = type;
- p2p_device_clear_reported(p2p);
- p2p_set_state(p2p, P2P_SEARCH);
- eloop_cancel_timeout(p2p_find_timeout, p2p, NULL);
- if (timeout)
- eloop_register_timeout(timeout, 0, p2p_find_timeout,
- p2p, NULL);
- switch (type) {
- case P2P_FIND_START_WITH_FULL:
- case P2P_FIND_PROGRESSIVE:
- res = p2p->cfg->p2p_scan(p2p->cfg->cb_ctx, P2P_SCAN_FULL, 0);
- break;
- case P2P_FIND_ONLY_SOCIAL:
- res = p2p->cfg->p2p_scan(p2p->cfg->cb_ctx, P2P_SCAN_SOCIAL, 0);
- break;
- default:
- return -1;
- }
- if (res == 0) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Running p2p_scan");
- p2p->p2p_scan_running = 1;
- eloop_cancel_timeout(p2p_scan_timeout, p2p, NULL);
- eloop_register_timeout(P2P_SCAN_TIMEOUT, 0, p2p_scan_timeout,
- p2p, NULL);
- } else {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Failed to start "
- "p2p_scan");
- }
+static int p2ps_gen_hash(struct p2p_data *p2p, const char *str, u8 *hash)
+{
+ u8 buf[SHA256_MAC_LEN];
+ char str_buf[256];
+ const u8 *adv_array;
+ size_t i, adv_len;
- return res;
-}
+ if (!str || !hash)
+ return 0;
+ if (!str[0]) {
+ os_memcpy(hash, p2p->wild_card_hash, P2PS_HASH_LEN);
+ return 1;
+ }
-void p2p_stop_find(struct p2p_data *p2p)
+ adv_array = (u8 *) str_buf;
+ adv_len = os_strlen(str);
+ if (adv_len >= sizeof(str_buf))
+ return 0;
+
+ for (i = 0; i < adv_len; i++) {
+ if (str[i] >= 'A' && str[i] <= 'Z')
+ str_buf[i] = str[i] - 'A' + 'a';
+ else
+ str_buf[i] = str[i];
+ }
+
+ if (sha256_vector(1, &adv_array, &adv_len, buf))
+ return 0;
+
+ os_memcpy(hash, buf, P2PS_HASH_LEN);
+ return 1;
+}
+
+
+int p2p_find(struct p2p_data *p2p, unsigned int timeout,
+ 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, int freq)
+{
+ int res;
+
+ p2p_dbg(p2p, "Starting find (type=%d)", type);
+ os_get_reltime(&p2p->find_start);
+ if (p2p->p2p_scan_running) {
+ p2p_dbg(p2p, "p2p_scan is already running");
+ }
+
+ p2p_free_req_dev_types(p2p);
+ if (req_dev_types && num_req_dev_types) {
+ p2p->req_dev_types = os_malloc(num_req_dev_types *
+ WPS_DEV_TYPE_LEN);
+ if (p2p->req_dev_types == NULL)
+ return -1;
+ os_memcpy(p2p->req_dev_types, req_dev_types,
+ num_req_dev_types * WPS_DEV_TYPE_LEN);
+ p2p->num_req_dev_types = num_req_dev_types;
+ }
+
+ if (dev_id) {
+ os_memcpy(p2p->find_dev_id_buf, dev_id, ETH_ALEN);
+ p2p->find_dev_id = p2p->find_dev_id_buf;
+ } else
+ p2p->find_dev_id = NULL;
+
+ if (seek_count == 0 || !seek) {
+ /* Not an ASP search */
+ p2p->p2ps_seek = 0;
+ } else if (seek_count == 1 && seek && (!seek[0] || !seek[0][0])) {
+ /*
+ * 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, count = 0;
+
+ for (i = 0; i < seek_count; i++) {
+ if (!p2ps_gen_hash(p2p, seek[i], buf))
+ continue;
+
+ 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;
+ p2p->p2ps_seek = 1;
+ }
+
+ /* Special case to perform wildcard search */
+ if (p2p->p2ps_seek_count == 0 && p2p->p2ps_seek) {
+ p2p->p2ps_seek_count = 1;
+ 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);
+ p2p->cfg->stop_listen(p2p->cfg->cb_ctx);
+ p2p->find_type = type;
+ p2p_device_clear_reported(p2p);
+ p2p_set_state(p2p, P2P_SEARCH);
+ p2p->search_delay = search_delay;
+ p2p->in_search_delay = 0;
+ eloop_cancel_timeout(p2p_find_timeout, p2p, NULL);
+ p2p->last_p2p_find_timeout = timeout;
+ if (timeout)
+ eloop_register_timeout(timeout, 0, p2p_find_timeout,
+ 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->req_dev_types, dev_id,
+ DEV_PW_DEFAULT);
+ break;
+ case P2P_FIND_ONLY_SOCIAL:
+ res = p2p->cfg->p2p_scan(p2p->cfg->cb_ctx, P2P_SCAN_SOCIAL, 0,
+ p2p->num_req_dev_types,
+ p2p->req_dev_types, dev_id,
+ DEV_PW_DEFAULT);
+ break;
+ default:
+ return -1;
+ }
+
+ if (res != 0 && p2p->p2p_scan_running) {
+ p2p_dbg(p2p, "Failed to start p2p_scan - another p2p_scan was already running");
+ /* wait for the previous p2p_scan to complete */
+ res = 0; /* do not report failure */
+ } else if (res != 0) {
+ p2p_dbg(p2p, "Failed to start p2p_scan");
+ p2p_set_state(p2p, P2P_IDLE);
+ eloop_cancel_timeout(p2p_find_timeout, p2p, NULL);
+ }
+
+ return res;
+}
+
+
+void p2p_stop_find_for_freq(struct p2p_data *p2p, int freq)
{
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Stopping find");
+ p2p_dbg(p2p, "Stopping find");
eloop_cancel_timeout(p2p_find_timeout, p2p, NULL);
p2p_clear_timeout(p2p);
+ 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_set_state(p2p, P2P_IDLE);
+ p2p_free_req_dev_types(p2p);
p2p->start_after_scan = P2P_AFTER_SCAN_NOTHING;
+ if (p2p->go_neg_peer)
+ p2p->go_neg_peer->flags &= ~P2P_DEV_PEER_WAITING_RESPONSE;
p2p->go_neg_peer = NULL;
p2p->sd_peer = NULL;
p2p->invite_peer = NULL;
+ p2p_stop_listen_for_freq(p2p, freq);
+ p2p->send_action_in_progress = 0;
+}
+
+
+void p2p_stop_listen_for_freq(struct p2p_data *p2p, int freq)
+{
+ if (freq > 0 && p2p->drv_in_listen == freq && p2p->in_listen) {
+ p2p_dbg(p2p, "Skip stop_listen since we are on correct channel for response");
+ return;
+ }
+ if (p2p->in_listen) {
+ p2p->in_listen = 0;
+ p2p_clear_timeout(p2p);
+ }
+ if (p2p->drv_in_listen) {
+ /*
+ * The driver may not deliver callback to p2p_listen_end()
+ * when the operation gets canceled, so clear the internal
+ * variable that is tracking driver state.
+ */
+ p2p_dbg(p2p, "Clear drv_in_listen (%d)", p2p->drv_in_listen);
+ p2p->drv_in_listen = 0;
+ }
p2p->cfg->stop_listen(p2p->cfg->cb_ctx);
}
-static int p2p_prepare_channel(struct p2p_data *p2p, unsigned int force_freq)
+void p2p_stop_listen(struct p2p_data *p2p)
+{
+ if (p2p->state != P2P_LISTEN_ONLY) {
+ p2p_dbg(p2p, "Skip stop_listen since not in listen_only state.");
+ return;
+ }
+
+ p2p_stop_listen_for_freq(p2p, 0);
+ p2p_set_state(p2p, P2P_IDLE);
+}
+
+
+void p2p_stop_find(struct p2p_data *p2p)
+{
+ p2p->pending_listen_freq = 0;
+ p2p_stop_find_for_freq(p2p, 0);
+}
+
+
+static int p2p_prepare_channel_pref(struct p2p_data *p2p,
+ unsigned int force_freq,
+ unsigned int pref_freq, int go)
{
+ u8 op_class, op_channel;
+ unsigned int freq = force_freq ? force_freq : pref_freq;
+
+ p2p_dbg(p2p, "Prepare channel pref - force_freq=%u pref_freq=%u go=%d",
+ force_freq, pref_freq, go);
+ if (p2p_freq_to_channel(freq, &op_class, &op_channel) < 0) {
+ p2p_dbg(p2p, "Unsupported frequency %u MHz", freq);
+ return -1;
+ }
+
+ if (!p2p_channels_includes(&p2p->cfg->channels, op_class, op_channel) &&
+ (go || !p2p_channels_includes(&p2p->cfg->cli_channels, op_class,
+ op_channel))) {
+ p2p_dbg(p2p, "Frequency %u MHz (oper_class %u channel %u) not allowed for P2P",
+ freq, op_class, op_channel);
+ return -1;
+ }
+
+ p2p->op_reg_class = op_class;
+ p2p->op_channel = op_channel;
+
if (force_freq) {
- u8 op_reg_class, op_channel;
- if (p2p_freq_to_channel(p2p->cfg->country, force_freq,
- &op_reg_class, &op_channel) < 0) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Unsupported frequency %u MHz",
- force_freq);
- return -1;
- }
- if (!p2p_channels_includes(&p2p->cfg->channels, op_reg_class,
- op_channel)) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Frequency %u MHz (oper_class %u "
- "channel %u) not allowed for P2P",
- force_freq, op_reg_class, op_channel);
- return -1;
- }
- p2p->op_reg_class = op_reg_class;
- p2p->op_channel = op_channel;
p2p->channels.reg_classes = 1;
p2p->channels.reg_class[0].channels = 1;
p2p->channels.reg_class[0].reg_class = p2p->op_reg_class;
p2p->channels.reg_class[0].channel[0] = p2p->op_channel;
} else {
- p2p->op_reg_class = p2p->cfg->op_reg_class;
- p2p->op_channel = p2p->cfg->op_channel;
os_memcpy(&p2p->channels, &p2p->cfg->channels,
sizeof(struct p2p_channels));
}
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Own preference for operation channel: "
- "Regulatory Class %u Channel %u%s",
+
+ return 0;
+}
+
+
+static void p2p_prepare_channel_best(struct p2p_data *p2p)
+{
+ u8 op_class, op_channel;
+ 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_dbg(p2p, "Prepare channel best");
+
+ if (!p2p->cfg->cfg_op_channel && p2p->best_freq_overall > 0 &&
+ p2p_supported_freq(p2p, p2p->best_freq_overall) &&
+ p2p_freq_to_channel(p2p->best_freq_overall, &op_class, &op_channel)
+ == 0) {
+ p2p_dbg(p2p, "Select best overall channel as operating channel preference");
+ p2p->op_reg_class = op_class;
+ p2p->op_channel = op_channel;
+ } else if (!p2p->cfg->cfg_op_channel && p2p->best_freq_5 > 0 &&
+ p2p_supported_freq(p2p, p2p->best_freq_5) &&
+ p2p_freq_to_channel(p2p->best_freq_5, &op_class, &op_channel)
+ == 0) {
+ p2p_dbg(p2p, "Select best 5 GHz channel as operating channel preference");
+ p2p->op_reg_class = op_class;
+ p2p->op_channel = op_channel;
+ } else if (!p2p->cfg->cfg_op_channel && p2p->best_freq_24 > 0 &&
+ p2p_supported_freq(p2p, p2p->best_freq_24) &&
+ p2p_freq_to_channel(p2p->best_freq_24, &op_class,
+ &op_channel) == 0) {
+ p2p_dbg(p2p, "Select best 2.4 GHz channel as operating channel preference");
+ p2p->op_reg_class = op_class;
+ p2p->op_channel = op_channel;
+ } else if (p2p->cfg->num_pref_chan > 0 &&
+ p2p_channels_includes(&p2p->cfg->channels,
+ p2p->cfg->pref_chan[0].op_class,
+ p2p->cfg->pref_chan[0].chan)) {
+ p2p_dbg(p2p, "Select first pref_chan entry as operating channel preference");
+ p2p->op_reg_class = p2p->cfg->pref_chan[0].op_class;
+ p2p->op_channel = p2p->cfg->pref_chan[0].chan;
+ } else if (p2p_channel_select(&p2p->cfg->channels, op_classes_vht,
+ &p2p->op_reg_class, &p2p->op_channel) ==
+ 0) {
+ p2p_dbg(p2p, "Select possible VHT channel (op_class %u channel %u) as operating channel preference",
+ p2p->op_reg_class, p2p->op_channel);
+ } else if (p2p_channel_select(&p2p->cfg->channels, op_classes_ht40,
+ &p2p->op_reg_class, &p2p->op_channel) ==
+ 0) {
+ p2p_dbg(p2p, "Select possible HT40 channel (op_class %u channel %u) as operating channel preference",
+ p2p->op_reg_class, p2p->op_channel);
+ } else if (p2p_channel_select(&p2p->cfg->channels, op_classes_5ghz,
+ &p2p->op_reg_class, &p2p->op_channel) ==
+ 0) {
+ p2p_dbg(p2p, "Select possible 5 GHz channel (op_class %u channel %u) as operating channel preference",
+ p2p->op_reg_class, p2p->op_channel);
+ } else if (p2p_channels_includes(&p2p->cfg->channels,
+ p2p->cfg->op_reg_class,
+ p2p->cfg->op_channel)) {
+ p2p_dbg(p2p, "Select pre-configured channel as operating channel preference");
+ p2p->op_reg_class = p2p->cfg->op_reg_class;
+ p2p->op_channel = p2p->cfg->op_channel;
+ } else if (p2p_channel_random_social(&p2p->cfg->channels,
+ &p2p->op_reg_class,
+ &p2p->op_channel) == 0) {
+ p2p_dbg(p2p, "Select random available social channel (op_class %u channel %u) as operating channel preference",
+ p2p->op_reg_class, p2p->op_channel);
+ } else {
+ /* Select any random available channel from the first available
+ * operating class */
+ p2p_channel_select(&p2p->cfg->channels, NULL,
+ &p2p->op_reg_class,
+ &p2p->op_channel);
+ p2p_dbg(p2p, "Select random available channel %d from operating class %d as operating channel preference",
+ p2p->op_channel, p2p->op_reg_class);
+ }
+
+ os_memcpy(&p2p->channels, &p2p->cfg->channels,
+ sizeof(struct p2p_channels));
+}
+
+
+/**
+ * p2p_prepare_channel - Select operating channel for GO Negotiation
+ * @p2p: P2P module context from p2p_init()
+ * @dev: Selected peer device
+ * @force_freq: Forced frequency in MHz or 0 if not forced
+ * @pref_freq: Preferred frequency in MHz or 0 if no preference
+ * @go: Whether the local end will be forced to be GO
+ * 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.
+ */
+int p2p_prepare_channel(struct p2p_data *p2p, struct p2p_device *dev,
+ unsigned int force_freq, unsigned int pref_freq, int go)
+{
+ p2p_dbg(p2p, "Prepare channel - force_freq=%u pref_freq=%u go=%d",
+ force_freq, pref_freq, go);
+ if (force_freq || pref_freq) {
+ if (p2p_prepare_channel_pref(p2p, force_freq, pref_freq, go) <
+ 0)
+ return -1;
+ } else {
+ p2p_prepare_channel_best(p2p);
+ }
+ p2p_channels_dump(p2p, "prepared channels", &p2p->channels);
+ if (go)
+ p2p_channels_remove_freqs(&p2p->channels, &p2p->no_go_freq);
+ else if (!force_freq)
+ p2p_channels_union_inplace(&p2p->channels,
+ &p2p->cfg->cli_channels);
+ p2p_channels_dump(p2p, "after go/cli filter/add", &p2p->channels);
+
+ p2p_dbg(p2p, "Own preference for operation channel: Operating Class %u Channel %u%s",
p2p->op_reg_class, p2p->op_channel,
force_freq ? " (forced)" : "");
+ if (force_freq)
+ dev->flags |= P2P_DEV_FORCE_FREQ;
+ else
+ dev->flags &= ~P2P_DEV_FORCE_FREQ;
+
return 0;
}
+static void p2p_set_dev_persistent(struct p2p_device *dev,
+ int persistent_group)
+{
+ switch (persistent_group) {
+ case 0:
+ dev->flags &= ~(P2P_DEV_PREFER_PERSISTENT_GROUP |
+ P2P_DEV_PREFER_PERSISTENT_RECONN);
+ break;
+ case 1:
+ dev->flags |= P2P_DEV_PREFER_PERSISTENT_GROUP;
+ dev->flags &= ~P2P_DEV_PREFER_PERSISTENT_RECONN;
+ break;
+ case 2:
+ dev->flags |= P2P_DEV_PREFER_PERSISTENT_GROUP |
+ P2P_DEV_PREFER_PERSISTENT_RECONN;
+ break;
+ }
+}
+
+
int p2p_connect(struct p2p_data *p2p, const u8 *peer_addr,
enum p2p_wps_method wps_method,
int go_intent, const u8 *own_interface_addr,
- unsigned int force_freq, int persistent_group)
+ unsigned int force_freq, int persistent_group,
+ const u8 *force_ssid, size_t force_ssid_len,
+ int pd_before_go_neg, unsigned int pref_freq, u16 oob_pw_id)
{
struct p2p_device *dev;
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Request to start group negotiation - peer=" MACSTR
+ p2p_dbg(p2p, "Request to start group negotiation - peer=" MACSTR
" GO Intent=%d Intended Interface Address=" MACSTR
- " wps_method=%d persistent_group=%d",
+ " wps_method=%d persistent_group=%d pd_before_go_neg=%d "
+ "oob_pw_id=%u",
MAC2STR(peer_addr), go_intent, MAC2STR(own_interface_addr),
- wps_method, persistent_group);
-
- if (p2p_prepare_channel(p2p, force_freq) < 0)
- return -1;
+ wps_method, persistent_group, pd_before_go_neg, oob_pw_id);
dev = p2p_get_device(p2p, peer_addr);
if (dev == NULL || (dev->flags & P2P_DEV_PROBE_REQ_ONLY)) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Cannot connect to unknown P2P Device " MACSTR,
+ p2p_dbg(p2p, "Cannot connect to unknown P2P Device " MACSTR,
MAC2STR(peer_addr));
return -1;
}
+ if (p2p_prepare_channel(p2p, dev, force_freq, pref_freq,
+ go_intent == 15) < 0)
+ return -1;
+
if (dev->flags & P2P_DEV_GROUP_CLIENT_ONLY) {
- if (!(dev->dev_capab & P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY)) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Cannot connect to P2P Device " MACSTR
+ if (!(dev->info.dev_capab &
+ P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY)) {
+ p2p_dbg(p2p, "Cannot connect to P2P Device " MACSTR
" that is in a group and is not discoverable",
MAC2STR(peer_addr));
return -1;
}
if (dev->oper_freq <= 0) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Cannot connect to P2P Device " MACSTR
+ p2p_dbg(p2p, "Cannot connect to P2P Device " MACSTR
" with incomplete information",
MAC2STR(peer_addr));
return -1;
*/
}
+ p2p->ssid_set = 0;
+ if (force_ssid) {
+ wpa_hexdump_ascii(MSG_DEBUG, "P2P: Forced SSID",
+ force_ssid, force_ssid_len);
+ os_memcpy(p2p->ssid, force_ssid, force_ssid_len);
+ p2p->ssid_len = force_ssid_len;
+ p2p->ssid_set = 1;
+ }
+
dev->flags &= ~P2P_DEV_NOT_YET_READY;
dev->flags &= ~P2P_DEV_USER_REJECTED;
dev->flags &= ~P2P_DEV_WAIT_GO_NEG_RESPONSE;
dev->flags &= ~P2P_DEV_WAIT_GO_NEG_CONFIRM;
+ if (pd_before_go_neg)
+ dev->flags |= P2P_DEV_PD_BEFORE_GO_NEG;
+ else {
+ dev->flags &= ~P2P_DEV_PD_BEFORE_GO_NEG;
+ /*
+ * Assign dialog token and tie breaker here to use the same
+ * values in each retry within the same GO Negotiation exchange.
+ */
+ dev->dialog_token++;
+ if (dev->dialog_token == 0)
+ dev->dialog_token = 1;
+ dev->tie_breaker = p2p->next_tie_breaker;
+ p2p->next_tie_breaker = !p2p->next_tie_breaker;
+ }
+ dev->connect_reqs = 0;
dev->go_neg_req_sent = 0;
dev->go_state = UNKNOWN_GO;
- if (persistent_group)
- dev->flags |= P2P_DEV_PREFER_PERSISTENT_GROUP;
- else
- dev->flags &= ~P2P_DEV_PREFER_PERSISTENT_GROUP;
+ p2p_set_dev_persistent(dev, persistent_group);
p2p->go_intent = go_intent;
os_memcpy(p2p->intended_addr, own_interface_addr, ETH_ALEN);
if (p2p->state != P2P_IDLE)
p2p_stop_find(p2p);
+ if (p2p->after_scan_tx) {
+ /*
+ * We need to drop the pending frame to avoid issues with the
+ * new GO Negotiation, e.g., when the pending frame was from a
+ * previous attempt at starting a GO Negotiation.
+ */
+ p2p_dbg(p2p, "Dropped previous pending Action frame TX that was waiting for p2p_scan completion");
+ os_free(p2p->after_scan_tx);
+ p2p->after_scan_tx = NULL;
+ }
+
dev->wps_method = wps_method;
+ dev->oob_pw_id = oob_pw_id;
dev->status = P2P_SC_SUCCESS;
- if (force_freq)
- dev->flags |= P2P_DEV_FORCE_FREQ;
- else
- dev->flags &= ~P2P_DEV_FORCE_FREQ;
-
if (p2p->p2p_scan_running) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: p2p_scan running - delay connect send");
+ p2p_dbg(p2p, "p2p_scan running - delay connect send");
p2p->start_after_scan = P2P_AFTER_SCAN_CONNECT;
os_memcpy(p2p->after_scan_peer, peer_addr, ETH_ALEN);
return 0;
int p2p_authorize(struct p2p_data *p2p, const u8 *peer_addr,
enum p2p_wps_method wps_method,
int go_intent, const u8 *own_interface_addr,
- unsigned int force_freq, int persistent_group)
+ unsigned int force_freq, int persistent_group,
+ const u8 *force_ssid, size_t force_ssid_len,
+ unsigned int pref_freq, u16 oob_pw_id)
{
struct p2p_device *dev;
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Request to authorize group negotiation - peer=" MACSTR
+ p2p_dbg(p2p, "Request to authorize group negotiation - peer=" MACSTR
" GO Intent=%d Intended Interface Address=" MACSTR
- " wps_method=%d persistent_group=%d",
+ " wps_method=%d persistent_group=%d oob_pw_id=%u",
MAC2STR(peer_addr), go_intent, MAC2STR(own_interface_addr),
- wps_method, persistent_group);
-
- if (p2p_prepare_channel(p2p, force_freq) < 0)
- return -1;
+ wps_method, persistent_group, oob_pw_id);
dev = p2p_get_device(p2p, peer_addr);
if (dev == NULL) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Cannot authorize unknown P2P Device " MACSTR,
+ p2p_dbg(p2p, "Cannot authorize unknown P2P Device " MACSTR,
MAC2STR(peer_addr));
return -1;
}
+ if (p2p_prepare_channel(p2p, dev, force_freq, pref_freq, go_intent ==
+ 15) < 0)
+ return -1;
+
+ p2p->ssid_set = 0;
+ if (force_ssid) {
+ wpa_hexdump_ascii(MSG_DEBUG, "P2P: Forced SSID",
+ force_ssid, force_ssid_len);
+ os_memcpy(p2p->ssid, force_ssid, force_ssid_len);
+ p2p->ssid_len = force_ssid_len;
+ p2p->ssid_set = 1;
+ }
+
dev->flags &= ~P2P_DEV_NOT_YET_READY;
dev->flags &= ~P2P_DEV_USER_REJECTED;
dev->go_neg_req_sent = 0;
dev->go_state = UNKNOWN_GO;
- if (persistent_group)
- dev->flags |= P2P_DEV_PREFER_PERSISTENT_GROUP;
- else
- dev->flags &= ~P2P_DEV_PREFER_PERSISTENT_GROUP;
+ p2p_set_dev_persistent(dev, persistent_group);
p2p->go_intent = go_intent;
os_memcpy(p2p->intended_addr, own_interface_addr, ETH_ALEN);
dev->wps_method = wps_method;
+ dev->oob_pw_id = oob_pw_id;
dev->status = P2P_SC_SUCCESS;
- if (force_freq)
- dev->flags |= P2P_DEV_FORCE_FREQ;
- else
- dev->flags &= ~P2P_DEV_FORCE_FREQ;
-
return 0;
}
void p2p_add_dev_info(struct p2p_data *p2p, const u8 *addr,
struct p2p_device *dev, struct p2p_message *msg)
{
- os_get_time(&dev->last_seen);
+ os_get_reltime(&dev->last_seen);
+
+ p2p_copy_wps_info(p2p, dev, 0, msg);
- if (msg->pri_dev_type)
- os_memcpy(dev->pri_dev_type, msg->pri_dev_type,
- sizeof(dev->pri_dev_type));
- os_memcpy(dev->device_name, msg->device_name,
- sizeof(dev->device_name));
- dev->config_methods = msg->config_methods ? msg->config_methods :
- msg->wps_config_methods;
- if (msg->capability) {
- dev->dev_capab = msg->capability[0];
- dev->group_capab = msg->capability[1];
- }
if (msg->listen_channel) {
int freq;
- freq = p2p_channel_to_freq((char *) msg->listen_channel,
- msg->listen_channel[3],
+ freq = p2p_channel_to_freq(msg->listen_channel[3],
msg->listen_channel[4]);
if (freq < 0) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Unknown peer Listen channel: "
+ p2p_dbg(p2p, "Unknown peer Listen channel: "
"country=%c%c(0x%02x) reg_class=%u channel=%u",
msg->listen_channel[0],
msg->listen_channel[1],
msg->listen_channel[3],
msg->listen_channel[4]);
} else {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Update "
- "peer " MACSTR " Listen channel: %u -> %u MHz",
- MAC2STR(dev->p2p_device_addr),
+ p2p_dbg(p2p, "Update peer " MACSTR
+ " Listen channel: %u -> %u MHz",
+ MAC2STR(dev->info.p2p_device_addr),
dev->listen_freq, freq);
dev->listen_freq = freq;
}
}
- if (msg->ext_listen_timing) {
- dev->ext_listen_period = WPA_GET_LE16(msg->ext_listen_timing);
- dev->ext_listen_interval =
- WPA_GET_LE16(msg->ext_listen_timing + 2);
+
+ if (msg->wfd_subelems) {
+ wpabuf_free(dev->info.wfd_subelems);
+ dev->info.wfd_subelems = wpabuf_dup(msg->wfd_subelems);
}
if (dev->flags & P2P_DEV_PROBE_REQ_ONLY) {
dev->flags &= ~P2P_DEV_PROBE_REQ_ONLY;
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Completed device entry based on data from "
- "GO Negotiation Request");
+ p2p_dbg(p2p, "Completed device entry based on data from GO Negotiation Request");
} else {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Created device entry based on GO Neg Req: "
+ p2p_dbg(p2p, "Created device entry based on GO Neg Req: "
MACSTR " dev_capab=0x%x group_capab=0x%x name='%s' "
"listen_freq=%d",
- MAC2STR(dev->p2p_device_addr), dev->dev_capab,
- dev->group_capab, dev->device_name, dev->listen_freq);
+ MAC2STR(dev->info.p2p_device_addr),
+ dev->info.dev_capab, dev->info.group_capab,
+ dev->info.device_name, dev->listen_freq);
}
dev->flags &= ~P2P_DEV_GROUP_CLIENT_ONLY;
if (dev->flags & P2P_DEV_USER_REJECTED) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Do not report rejected device");
+ p2p_dbg(p2p, "Do not report rejected device");
return;
}
- p2p->cfg->dev_found(p2p->cfg->cb_ctx, addr, dev->p2p_device_addr,
- dev->pri_dev_type, dev->device_name,
- dev->config_methods, dev->dev_capab,
- dev->group_capab);
+ p2p->cfg->dev_found(p2p->cfg->cb_ctx, addr, &dev->info,
+ !(dev->flags & P2P_DEV_REPORTED_ONCE));
+ dev->flags |= P2P_DEV_REPORTED | P2P_DEV_REPORTED_ONCE;
}
int p2p_go_params(struct p2p_data *p2p, struct p2p_go_neg_results *params)
{
- p2p_build_ssid(p2p, params->ssid, ¶ms->ssid_len);
- p2p_random(params->passphrase, 8);
+ 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;
}
struct p2p_go_neg_results res;
int go = peer->go_state == LOCAL_GO;
struct p2p_channels intersection;
- int freqs;
- size_t i, j;
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: GO Negotiation with " MACSTR " completed (%s will be "
- "GO)", MAC2STR(peer->p2p_device_addr),
- go ? "local end" : "peer");
+ p2p_dbg(p2p, "GO Negotiation with " MACSTR " completed (%s will be GO)",
+ MAC2STR(peer->info.p2p_device_addr), go ? "local end" : "peer");
os_memset(&res, 0, sizeof(res));
res.role_go = go;
- os_memcpy(res.peer_device_addr, peer->p2p_device_addr, ETH_ALEN);
+ os_memcpy(res.peer_device_addr, peer->info.p2p_device_addr, ETH_ALEN);
os_memcpy(res.peer_interface_addr, peer->intended_addr, ETH_ALEN);
res.wps_method = peer->wps_method;
- if (peer->flags & P2P_DEV_PREFER_PERSISTENT_GROUP)
- res.persistent_group = 1;
+ if (peer->flags & P2P_DEV_PREFER_PERSISTENT_GROUP) {
+ if (peer->flags & P2P_DEV_PREFER_PERSISTENT_RECONN)
+ res.persistent_group = 2;
+ else
+ res.persistent_group = 1;
+ }
if (go) {
/* Setup AP mode for WPS provisioning */
- res.freq = p2p_channel_to_freq(p2p->cfg->country,
- p2p->op_reg_class,
+ res.freq = p2p_channel_to_freq(p2p->op_reg_class,
p2p->op_channel);
os_memcpy(res.ssid, p2p->ssid, p2p->ssid_len);
res.ssid_len = p2p->ssid_len;
- p2p_random(res.passphrase, 8);
+ p2p_random(res.passphrase, p2p->cfg->passphrase_len);
} else {
res.freq = peer->oper_freq;
if (p2p->ssid_len) {
}
}
+ p2p_channels_dump(p2p, "own channels", &p2p->channels);
+ p2p_channels_dump(p2p, "peer channels", &peer->channels);
p2p_channels_intersect(&p2p->channels, &peer->channels,
&intersection);
- freqs = 0;
- for (i = 0; i < intersection.reg_classes; i++) {
- struct p2p_reg_class *c = &intersection.reg_class[i];
- if (freqs + 1 == P2P_MAX_CHANNELS)
- break;
- for (j = 0; j < c->channels; j++) {
- int freq;
- if (freqs + 1 == P2P_MAX_CHANNELS)
- break;
- freq = p2p_channel_to_freq(peer->country, c->reg_class,
- c->channel[j]);
- if (freq < 0)
- continue;
- res.freq_list[freqs++] = freq;
- }
+ if (go) {
+ p2p_channels_remove_freqs(&intersection, &p2p->no_go_freq);
+ p2p_channels_dump(p2p, "intersection after no-GO removal",
+ &intersection);
}
+ p2p_channels_to_freqs(&intersection, res.freq_list,
+ P2P_MAX_CHANNELS);
+
res.peer_config_timeout = go ? peer->client_timeout : peer->go_timeout;
p2p_clear_timeout(p2p);
+ p2p->ssid_set = 0;
peer->go_neg_req_sent = 0;
peer->wps_method = WPS_NOT_READY;
+ peer->oob_pw_id = 0;
+ wpabuf_free(peer->go_neg_conf);
+ peer->go_neg_conf = NULL;
p2p_set_state(p2p, P2P_PROVISIONING);
p2p->cfg->go_neg_completed(p2p->cfg->cb_ctx, &res);
static void p2p_rx_p2p_action(struct p2p_data *p2p, const u8 *sa,
const u8 *data, size_t len, int rx_freq)
{
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: RX P2P Public Action from " MACSTR, MAC2STR(sa));
+ p2p_dbg(p2p, "RX P2P Public Action from " MACSTR, MAC2STR(sa));
wpa_hexdump(MSG_MSGDUMP, "P2P: P2P Public Action contents", data, len);
if (len < 1)
p2p_process_dev_disc_resp(p2p, sa, data + 1, len - 1);
break;
default:
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Unsupported P2P Public Action frame type %d",
+ p2p_dbg(p2p, "Unsupported P2P Public Action frame type %d",
data[0]);
break;
}
}
-void p2p_rx_action_public(struct p2p_data *p2p, const u8 *da, const u8 *sa,
- const u8 *bssid, const u8 *data, size_t len,
- int freq)
+static void p2p_rx_action_public(struct p2p_data *p2p, const u8 *da,
+ const u8 *sa, const u8 *bssid, const u8 *data,
+ size_t len, int freq)
{
if (len < 1)
return;
case WLAN_PA_VENDOR_SPECIFIC:
data++;
len--;
- if (len < 3)
+ if (len < 4)
return;
- if (WPA_GET_BE24(data) != OUI_WFA)
+ if (WPA_GET_BE32(data) != P2P_IE_VENDOR_TYPE)
return;
- data += 3;
- len -= 3;
- if (len < 1)
- return;
-
- if (*data != P2P_OUI_TYPE)
- return;
+ data += 4;
+ len -= 4;
- p2p_rx_p2p_action(p2p, sa, data + 1, len - 1, freq);
+ p2p_rx_p2p_action(p2p, sa, data, len, freq);
break;
case WLAN_PA_GAS_INITIAL_REQ:
p2p_rx_gas_initial_req(p2p, sa, data + 1, len - 1, freq);
if (len < 4)
return;
- if (WPA_GET_BE24(data) != OUI_WFA)
- return;
- data += 3;
- len -= 3;
-
- if (*data != P2P_OUI_TYPE)
+ if (WPA_GET_BE32(data) != P2P_IE_VENDOR_TYPE)
return;
- data++;
- len--;
+ data += 4;
+ len -= 4;
/* P2P action frame */
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: RX P2P Action from " MACSTR, MAC2STR(sa));
+ p2p_dbg(p2p, "RX P2P Action from " MACSTR, MAC2STR(sa));
wpa_hexdump(MSG_MSGDUMP, "P2P: P2P Action contents", data, len);
if (len < 1)
return;
switch (data[0]) {
case P2P_NOA:
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Received P2P Action - Notice of Absence");
+ p2p_dbg(p2p, "Received P2P Action - Notice of Absence");
/* TODO */
break;
case P2P_PRESENCE_REQ:
p2p_process_go_disc_req(p2p, da, sa, data + 1, len - 1, freq);
break;
default:
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Received P2P Action - unknown type %u", data[0]);
+ p2p_dbg(p2p, "Received P2P Action - unknown type %u", data[0]);
break;
}
}
struct p2p_data *p2p = eloop_ctx;
if (p2p->go_neg_peer == NULL)
return;
+ if (p2p->pending_listen_freq) {
+ p2p_dbg(p2p, "Clear pending_listen_freq for p2p_go_neg_start");
+ p2p->pending_listen_freq = 0;
+ }
p2p->cfg->stop_listen(p2p->cfg->cb_ctx);
p2p->go_neg_peer->status = P2P_SC_SUCCESS;
+ /*
+ * Set new timeout to make sure a previously set one does not expire
+ * too quickly while waiting for the GO Negotiation to complete.
+ */
+ p2p_set_timeout(p2p, 0, 500000);
p2p_connect_send(p2p, p2p->go_neg_peer);
}
struct p2p_data *p2p = eloop_ctx;
if (p2p->invite_peer == NULL)
return;
+ if (p2p->pending_listen_freq) {
+ p2p_dbg(p2p, "Clear pending_listen_freq for p2p_invite_start");
+ p2p->pending_listen_freq = 0;
+ }
p2p->cfg->stop_listen(p2p->cfg->cb_ctx);
- p2p_invite_send(p2p, p2p->invite_peer, p2p->invite_go_dev_addr);
+ p2p_invite_send(p2p, p2p->invite_peer, p2p->invite_go_dev_addr,
+ p2p->invite_dev_pw_id);
}
if (dev) {
if (dev->country[0] == 0 && msg.listen_channel)
os_memcpy(dev->country, msg.listen_channel, 3);
+ os_get_reltime(&dev->last_seen);
p2p_parse_free(&msg);
return; /* already known */
}
return;
}
- os_get_time(&dev->last_seen);
+ os_get_reltime(&dev->last_seen);
dev->flags |= P2P_DEV_PROBE_REQ_ONLY;
- if (msg.capability) {
- dev->dev_capab = msg.capability[0];
- dev->group_capab = msg.capability[1];
- }
-
if (msg.listen_channel) {
os_memcpy(dev->country, msg.listen_channel, 3);
- dev->listen_freq = p2p_channel_to_freq(dev->country,
- msg.listen_channel[3],
+ dev->listen_freq = p2p_channel_to_freq(msg.listen_channel[3],
msg.listen_channel[4]);
}
- os_memcpy(dev->device_name, msg.device_name, sizeof(dev->device_name));
+ p2p_copy_wps_info(p2p, dev, 1, &msg);
- if (msg.wps_pri_dev_type)
- os_memcpy(dev->pri_dev_type, msg.wps_pri_dev_type,
- sizeof(dev->pri_dev_type));
+ if (msg.wfd_subelems) {
+ wpabuf_free(dev->info.wfd_subelems);
+ dev->info.wfd_subelems = wpabuf_dup(msg.wfd_subelems);
+ }
p2p_parse_free(&msg);
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Created device entry based on Probe Req: " MACSTR
+ p2p_dbg(p2p, "Created device entry based on Probe Req: " MACSTR
" dev_capab=0x%x group_capab=0x%x name='%s' listen_freq=%d",
- MAC2STR(dev->p2p_device_addr), dev->dev_capab,
- dev->group_capab, dev->device_name, dev->listen_freq);
+ MAC2STR(dev->info.p2p_device_addr), dev->info.dev_capab,
+ dev->info.group_capab, dev->info.device_name,
+ dev->listen_freq);
}
dev = p2p_get_device(p2p, addr);
if (dev) {
- os_get_time(&dev->last_seen);
+ os_get_reltime(&dev->last_seen);
return dev; /* already known */
}
attr.num_req_dev_type))
return 1; /* Own Primary Device Type matches */
- for (i = 0; i < p2p->cfg->num_sec_dev_types; i++)
+ for (i = 0; i < p2p->cfg->num_sec_dev_types; i++) {
if (dev_type_list_match(p2p->cfg->sec_dev_type[i],
attr.req_dev_type,
attr.num_req_dev_type))
- return 1; /* Own Secondary Device Type matches */
+ return 1; /* Own Secondary Device Type matches */
+ }
/* No matching device type found */
return 0;
}
-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;
+ int pw_id = -1;
+ size_t extra = 0;
- buf = wpabuf_alloc(1000);
+#ifdef CONFIG_WIFI_DISPLAY
+ if (p2p->wfd_ie_probe_resp)
+ extra = wpabuf_len(p2p->wfd_ie_probe_resp);
+#endif /* CONFIG_WIFI_DISPLAY */
+
+ 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;
- /* TODO: add more info into WPS IE; maybe get from WPS module? */
- p2p_build_wps_ie(p2p, buf, DEV_PW_DEFAULT, 1);
+ if (p2p->go_neg_peer) {
+ /* Advertise immediate availability of WPS credential */
+ pw_id = p2p_wps_method_pw_id(p2p->go_neg_peer->wps_method);
+ }
+
+ if (p2p_build_wps_ie(p2p, buf, pw_id, 1) < 0) {
+ p2p_dbg(p2p, "Failed to build WPS IE for Probe Response");
+ wpabuf_free(buf);
+ return NULL;
+ }
+
+#ifdef CONFIG_WIFI_DISPLAY
+ if (p2p->wfd_ie_probe_resp)
+ wpabuf_put_buf(buf, p2p->wfd_ie_probe_resp);
+#endif /* CONFIG_WIFI_DISPLAY */
+
+ if (p2p->vendor_elem && p2p->vendor_elem[VENDOR_ELEM_PROBE_RESP_P2P])
+ wpabuf_put_buf(buf,
+ p2p->vendor_elem[VENDOR_ELEM_PROBE_RESP_P2P]);
/* P2P IE */
len = p2p_buf_add_ie_hdr(buf);
- p2p_buf_add_capability(buf, p2p->dev_capab, 0);
+ p2p_buf_add_capability(buf, p2p->dev_capab &
+ ~P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY, 0);
if (p2p->ext_listen_interval)
p2p_buf_add_ext_listen_timing(buf, p2p->ext_listen_period,
p2p->ext_listen_interval);
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 void p2p_reply_probe(struct p2p_data *p2p, const u8 *addr, const u8 *ie,
- size_t ie_len)
+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,
+ unsigned int rx_freq)
{
struct ieee802_11_elems elems;
struct wpabuf *buf;
struct ieee80211_mgmt *resp;
- struct wpabuf *wps;
+ struct p2p_message msg;
struct wpabuf *ies;
-
- if (!p2p->in_listen || !p2p->drv_in_listen) {
- /* not in Listen state - ignore Probe Request */
- return;
- }
+ u8 channel, op_class;
if (ieee802_11_parse_elems((u8 *) ie, ie_len, &elems, 0) ==
ParseFailed) {
/* Ignore invalid Probe Request frames */
- return;
+ p2p_dbg(p2p, "Could not parse Probe Request frame - ignore it");
+ return P2P_PREQ_MALFORMED;
}
if (elems.p2p == NULL) {
/* not a P2P probe - ignore it */
- return;
+ p2p_dbg(p2p, "Not a P2P probe - ignore it");
+ return P2P_PREQ_NOT_P2P;
+ }
+
+ if (dst && !is_broadcast_ether_addr(dst) &&
+ os_memcmp(dst, p2p->cfg->dev_addr, ETH_ALEN) != 0) {
+ /* Not sent to the broadcast address or our P2P Device Address
+ */
+ p2p_dbg(p2p, "Probe Req DA " MACSTR " not ours - ignore it",
+ MAC2STR(dst));
+ return P2P_PREQ_NOT_PROCESSED;
+ }
+
+ if (bssid && !is_broadcast_ether_addr(bssid)) {
+ /* Not sent to the Wildcard BSSID */
+ p2p_dbg(p2p, "Probe Req BSSID " MACSTR " not wildcard - ignore it",
+ MAC2STR(bssid));
+ return P2P_PREQ_NOT_PROCESSED;
}
if (elems.ssid == NULL || elems.ssid_len != P2P_WILDCARD_SSID_LEN ||
os_memcmp(elems.ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) !=
0) {
/* not using P2P Wildcard SSID - ignore */
- return;
+ p2p_dbg(p2p, "Probe Req not using P2P Wildcard SSID - ignore it");
+ return P2P_PREQ_NOT_PROCESSED;
}
- /* Check Requested Device Type match */
- wps = ieee802_11_vendor_ie_concat(ie, ie_len, WPS_DEV_OUI_WFA);
- if (wps && !p2p_match_dev_type(p2p, wps)) {
- wpabuf_free(wps);
- /* No match with Requested Device Type */
- return;
+ if (supp_rates_11b_only(&elems)) {
+ /* Indicates support for 11b rates only */
+ p2p_dbg(p2p, "Probe Req with 11b rates only supported - ignore it");
+ return P2P_PREQ_NOT_P2P;
}
- wpabuf_free(wps);
- if (!p2p->cfg->send_probe_resp)
- return; /* Response generated elsewhere */
+ os_memset(&msg, 0, sizeof(msg));
+ if (p2p_parse_ies(ie, ie_len, &msg) < 0) {
+ /* Could not parse P2P attributes */
+ p2p_dbg(p2p, "Could not parse P2P attributes in Probe Req - ignore it");
+ return P2P_PREQ_NOT_P2P;
+ }
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Reply to P2P Probe Request in Listen state");
+ 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;
+ }
- /*
- * We do not really have a specific BSS that this frame is advertising,
- * so build a frame that has some information in valid format. This is
+ 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_dbg(p2p, "Probe Req requested Device ID " MACSTR " did not match - ignore it",
+ MAC2STR(msg.device_id));
+ p2p_parse_free(&msg);
+ return P2P_PREQ_NOT_PROCESSED;
+ }
+
+ /* Check Requested Device Type match */
+ if (msg.wps_attributes &&
+ !p2p_match_dev_type(p2p, msg.wps_attributes)) {
+ /* No match with Requested Device Type */
+ p2p_dbg(p2p, "Probe Req requestred Device Type did not match - ignore it");
+ p2p_parse_free(&msg);
+ return P2P_PREQ_NOT_PROCESSED;
+ }
+
+ 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;
+ }
+
+ p2p_dbg(p2p, "Reply to P2P Probe Request in Listen state");
+
+ /*
+ * We do not really have a specific BSS that this frame is advertising,
+ * so build a frame that has some information in valid format. This is
* 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;
+ return P2P_PREQ_NOT_PROCESSED;
buf = wpabuf_alloc(200 + wpabuf_len(ies));
if (buf == NULL) {
wpabuf_free(ies);
- return;
+ return P2P_PREQ_NOT_PROCESSED;
}
- resp = NULL;
- resp = wpabuf_put(buf, resp->u.probe_resp.variable - (u8 *) resp);
+ 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));
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)) {
+ 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, p2p->cfg->channel);
+ wpabuf_put_u8(buf, channel);
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_PROCESSED;
}
-int p2p_probe_req_rx(struct p2p_data *p2p, const u8 *addr, const u8 *ie,
- size_t ie_len)
+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)
{
+ enum p2p_probe_req_status res;
+
p2p_add_dev_from_probe_req(p2p, addr, ie, ie_len);
- p2p_reply_probe(p2p, addr, ie, ie_len);
+ 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->p2p_device_addr, ETH_ALEN) == 0)
- {
+ os_memcmp(addr, p2p->go_neg_peer->info.p2p_device_addr, ETH_ALEN)
+ == 0 &&
+ !(p2p->go_neg_peer->flags & P2P_DEV_WAIT_GO_NEG_CONFIRM)) {
/* Received a Probe Request from GO Negotiation peer */
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Found GO Negotiation peer - try to start GO "
- "negotiation from timeout");
+ 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 1;
+ return res;
}
if ((p2p->state == P2P_INVITE || p2p->state == P2P_INVITE_LISTEN) &&
p2p->invite_peer &&
- os_memcmp(addr, p2p->invite_peer->p2p_device_addr, ETH_ALEN) == 0)
- {
+ (p2p->invite_peer->flags & P2P_DEV_WAIT_INV_REQ_ACK) &&
+ os_memcmp(addr, p2p->invite_peer->info.p2p_device_addr, ETH_ALEN)
+ == 0) {
/* Received a Probe Request from Invite peer */
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Found Invite peer - try to start Invite from "
- "timeout");
+ 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 1;
+ return res;
}
- return 0;
+ 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)
struct p2p_device *peer;
size_t tmplen;
int res;
+ size_t extra = 0;
if (!p2p_group)
return p2p_assoc_req_ie_wlan_ap(p2p, bssid, buf, len, p2p_ie);
+#ifdef CONFIG_WIFI_DISPLAY
+ if (p2p->wfd_ie_assoc_req)
+ extra = wpabuf_len(p2p->wfd_ie_assoc_req);
+#endif /* CONFIG_WIFI_DISPLAY */
+
+ if (p2p->vendor_elem && p2p->vendor_elem[VENDOR_ELEM_P2P_ASSOC_REQ])
+ extra += wpabuf_len(p2p->vendor_elem[VENDOR_ELEM_P2P_ASSOC_REQ]);
+
/*
* (Re)Association Request - P2P IE
* P2P Capability attribute (shall be present)
* Extended Listen Timing (may be present)
* P2P Device Info attribute (shall be present)
*/
- tmp = wpabuf_alloc(200);
+ tmp = wpabuf_alloc(200 + extra);
if (tmp == NULL)
return -1;
+#ifdef CONFIG_WIFI_DISPLAY
+ if (p2p->wfd_ie_assoc_req)
+ wpabuf_put_buf(tmp, p2p->wfd_ie_assoc_req);
+#endif /* CONFIG_WIFI_DISPLAY */
+
+ if (p2p->vendor_elem && p2p->vendor_elem[VENDOR_ELEM_P2P_ASSOC_REQ])
+ wpabuf_put_buf(tmp,
+ p2p->vendor_elem[VENDOR_ELEM_P2P_ASSOC_REQ]);
+
peer = bssid ? p2p_get_device(p2p, bssid) : NULL;
lpos = p2p_buf_add_ie_hdr(tmp);
}
+struct p2ps_advertisement *
+p2p_service_p2ps_id(struct p2p_data *p2p, u32 adv_id)
+{
+ struct p2ps_advertisement *adv_data;
+
+ if (!p2p)
+ return NULL;
+
+ adv_data = p2p->p2ps_adv_list;
+ while (adv_data) {
+ if (adv_data->id == adv_id)
+ return adv_data;
+ adv_data = adv_data->next;
+ }
+
+ return NULL;
+}
+
+
+int p2p_service_del_asp(struct p2p_data *p2p, u32 adv_id)
+{
+ struct p2ps_advertisement *adv_data;
+ struct p2ps_advertisement **prior;
+
+ if (!p2p)
+ return -1;
+
+ adv_data = p2p->p2ps_adv_list;
+ prior = &p2p->p2ps_adv_list;
+ while (adv_data) {
+ if (adv_data->id == adv_id) {
+ p2p_dbg(p2p, "Delete ASP adv_id=0x%x", adv_id);
+ *prior = adv_data->next;
+ os_free(adv_data);
+ return 0;
+ }
+ prior = &adv_data->next;
+ adv_data = adv_data->next;
+ }
+
+ return -1;
+}
+
+
+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 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] || !cpt_priority)
+ return -1;
+
+ if (!(config_methods & p2p->cfg->config_methods)) {
+ p2p_dbg(p2p, "Config methods not supported svc: 0x%x dev: 0x%x",
+ config_methods, p2p->cfg->config_methods);
+ return -1;
+ }
+
+ if (!p2ps_gen_hash(p2p, adv_str, buf))
+ return -1;
+
+ if (svc_info)
+ info_len = os_strlen(svc_info);
+ adv_len = os_strlen(adv_str);
+ adv_data_len = sizeof(struct p2ps_advertisement) + adv_len + 1 +
+ info_len + 1;
+
+ adv_data = os_zalloc(adv_data_len);
+ if (!adv_data)
+ return -1;
+
+ os_memcpy(adv_data->hash, buf, P2PS_HASH_LEN);
+ adv_data->id = adv_id;
+ adv_data->state = svc_state;
+ adv_data->config_methods = 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);
+ }
+
+ /*
+ * Group Advertisements by service string. They do not need to be
+ * sorted, but groups allow easier Probe Response instance grouping
+ */
+ tmp = p2p->p2ps_adv_list;
+ prev = &p2p->p2ps_adv_list;
+ while (tmp) {
+ if (tmp->id == adv_data->id) {
+ if (os_strcmp(tmp->svc_name, adv_data->svc_name) != 0) {
+ os_free(adv_data);
+ return -1;
+ }
+ adv_data->next = tmp->next;
+ *prev = adv_data;
+ os_free(tmp);
+ goto inserted;
+ } else {
+ if (os_strcmp(tmp->svc_name, adv_data->svc_name) == 0) {
+ adv_data->next = tmp->next;
+ tmp->next = adv_data;
+ goto inserted;
+ }
+ }
+ prev = &tmp->next;
+ tmp = tmp->next;
+ }
+
+ /* No svc_name match found */
+ adv_data->next = p2p->p2ps_adv_list;
+ p2p->p2ps_adv_list = adv_data;
+
+inserted:
+ p2p_dbg(p2p,
+ "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;
+
+ os_memset(&msg, 0, sizeof(msg));
+ if (p2p_parse_p2p_ie(p2p_ie, &msg))
+ return -1;
+
+ if (msg.p2p_device_addr) {
+ os_memcpy(dev_addr, msg.p2p_device_addr, ETH_ALEN);
+ return 0;
+ } else if (msg.device_id) {
+ os_memcpy(dev_addr, msg.device_id, ETH_ALEN);
+ return 0;
+ }
+ return -1;
+}
+
+
+int p2p_parse_dev_addr(const u8 *ies, size_t ies_len, u8 *dev_addr)
+{
+ struct wpabuf *p2p_ie;
+ int ret;
+
+ p2p_ie = ieee802_11_vendor_ie_concat(ies, ies_len,
+ P2P_IE_VENDOR_TYPE);
+ if (p2p_ie == NULL)
+ return -1;
+ ret = p2p_parse_dev_addr_in_p2p_ie(p2p_ie, dev_addr);
+ wpabuf_free(p2p_ie);
+ return ret;
+}
+
+
static void p2p_clear_go_neg(struct p2p_data *p2p)
{
p2p->go_neg_peer = NULL;
void p2p_wps_success_cb(struct p2p_data *p2p, const u8 *mac_addr)
{
if (p2p->go_neg_peer == NULL) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: No pending Group Formation - "
- "ignore WPS registration success notification");
+ p2p_dbg(p2p, "No pending Group Formation - ignore WPS registration success notification");
return; /* No pending Group Formation */
}
if (os_memcmp(mac_addr, p2p->go_neg_peer->intended_addr, ETH_ALEN) !=
0) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Ignore WPS registration success notification "
- "for " MACSTR " (GO Negotiation peer " MACSTR ")",
+ p2p_dbg(p2p, "Ignore WPS registration success notification for "
+ MACSTR " (GO Negotiation peer " MACSTR ")",
MAC2STR(mac_addr),
MAC2STR(p2p->go_neg_peer->intended_addr));
return; /* Ignore unexpected peer address */
}
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Group Formation completed successfully with " MACSTR,
+ p2p_dbg(p2p, "Group Formation completed successfully with " MACSTR,
MAC2STR(mac_addr));
p2p_clear_go_neg(p2p);
void p2p_group_formation_failed(struct p2p_data *p2p)
{
if (p2p->go_neg_peer == NULL) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: No pending Group Formation - "
- "ignore group formation failure notification");
+ p2p_dbg(p2p, "No pending Group Formation - ignore group formation failure notification");
return; /* No pending Group Formation */
}
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Group Formation failed with " MACSTR,
+ p2p_dbg(p2p, "Group Formation failed with " MACSTR,
MAC2STR(p2p->go_neg_peer->intended_addr));
p2p_clear_go_neg(p2p);
{
struct p2p_data *p2p;
- if (cfg->max_peers < 1)
+ if (cfg->max_peers < 1 ||
+ cfg->passphrase_len < 8 || cfg->passphrase_len > 63)
return NULL;
p2p = os_zalloc(sizeof(*p2p) + sizeof(*cfg));
os_memcpy(p2p->cfg, cfg, sizeof(*cfg));
if (cfg->dev_name)
p2p->cfg->dev_name = os_strdup(cfg->dev_name);
+ if (cfg->manufacturer)
+ p2p->cfg->manufacturer = os_strdup(cfg->manufacturer);
+ if (cfg->model_name)
+ p2p->cfg->model_name = os_strdup(cfg->model_name);
+ if (cfg->model_number)
+ p2p->cfg->model_number = os_strdup(cfg->model_number);
+ if (cfg->serial_number)
+ p2p->cfg->serial_number = os_strdup(cfg->serial_number);
+ if (cfg->pref_chan) {
+ p2p->cfg->pref_chan = os_malloc(cfg->num_pref_chan *
+ sizeof(struct p2p_channel));
+ if (p2p->cfg->pref_chan) {
+ os_memcpy(p2p->cfg->pref_chan, cfg->pref_chan,
+ cfg->num_pref_chan *
+ sizeof(struct p2p_channel));
+ } else
+ p2p->cfg->num_pref_chan = 0;
+ }
+
+ p2ps_gen_hash(p2p, P2PS_WILD_HASH_STR, p2p->wild_card_hash);
p2p->min_disc_int = 1;
p2p->max_disc_int = 3;
+ p2p->max_disc_tu = -1;
- os_get_random(&p2p->next_tie_breaker, 1);
+ if (os_get_random(&p2p->next_tie_breaker, 1) < 0)
+ p2p->next_tie_breaker = 0;
p2p->next_tie_breaker &= 0x01;
if (cfg->sd_request)
p2p->dev_capab |= P2P_DEV_CAPAB_SERVICE_DISCOVERY;
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;
+
+ p2p_dbg(p2p, "initialized");
+ p2p_channels_dump(p2p, "channels", &p2p->cfg->channels);
+ p2p_channels_dump(p2p, "cli_channels", &p2p->cfg->cli_channels);
return p2p;
}
void p2p_deinit(struct p2p_data *p2p)
{
- eloop_cancel_timeout(p2p_expiration_timeout, p2p, NULL);
+#ifdef CONFIG_WIFI_DISPLAY
+ wpabuf_free(p2p->wfd_ie_beacon);
+ wpabuf_free(p2p->wfd_ie_probe_req);
+ wpabuf_free(p2p->wfd_ie_probe_resp);
+ wpabuf_free(p2p->wfd_ie_assoc_req);
+ wpabuf_free(p2p->wfd_ie_invitation);
+ wpabuf_free(p2p->wfd_ie_prov_disc_req);
+ wpabuf_free(p2p->wfd_ie_prov_disc_resp);
+ wpabuf_free(p2p->wfd_ie_go_neg);
+ wpabuf_free(p2p->wfd_dev_info);
+ wpabuf_free(p2p->wfd_assoc_bssid);
+ 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);
p2p_flush(p2p);
+ p2p_free_req_dev_types(p2p);
os_free(p2p->cfg->dev_name);
+ os_free(p2p->cfg->manufacturer);
+ os_free(p2p->cfg->model_name);
+ os_free(p2p->cfg->model_number);
+ 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);
+ p2p_service_flush_asp(p2p);
+
os_free(p2p);
}
void p2p_flush(struct p2p_data *p2p)
{
struct p2p_device *dev, *prev;
- p2p_clear_timeout(p2p);
- p2p_set_state(p2p, P2P_IDLE);
- p2p->start_after_scan = P2P_AFTER_SCAN_NOTHING;
- p2p->go_neg_peer = NULL;
- eloop_cancel_timeout(p2p_find_timeout, p2p, NULL);
+ p2p_stop_find(p2p);
dl_list_for_each_safe(dev, prev, &p2p->devices, struct p2p_device,
list) {
dl_list_del(&dev->list);
p2p_device_free(p2p, dev);
}
p2p_free_sd_queries(p2p);
+ os_free(p2p->after_scan_tx);
+ p2p->after_scan_tx = NULL;
+ p2p->ssid_set = 0;
+}
+
+
+int p2p_unauthorize(struct p2p_data *p2p, const u8 *addr)
+{
+ struct p2p_device *dev;
+
+ dev = p2p_get_device(p2p, addr);
+ if (dev == NULL)
+ return -1;
+
+ p2p_dbg(p2p, "Unauthorizing " MACSTR, MAC2STR(addr));
+
+ if (p2p->go_neg_peer == dev) {
+ eloop_cancel_timeout(p2p_go_neg_wait_timeout, p2p, NULL);
+ p2p->go_neg_peer = NULL;
+ }
+
+ dev->wps_method = WPS_NOT_READY;
+ dev->oob_pw_id = 0;
+ dev->flags &= ~P2P_DEV_WAIT_GO_NEG_RESPONSE;
+ dev->flags &= ~P2P_DEV_WAIT_GO_NEG_CONFIRM;
+
+ /* Check if after_scan_tx is for this peer. If so free it */
+ if (p2p->after_scan_tx &&
+ os_memcmp(addr, p2p->after_scan_tx->dst, ETH_ALEN) == 0) {
+ os_free(p2p->after_scan_tx);
+ p2p->after_scan_tx = NULL;
+ }
+
+ return 0;
}
}
-int p2p_set_pri_dev_type(struct p2p_data *p2p, const u8 *pri_dev_type)
+int p2p_set_manufacturer(struct p2p_data *p2p, const char *manufacturer)
{
- os_memcpy(p2p->cfg->pri_dev_type, pri_dev_type, 8);
+ os_free(p2p->cfg->manufacturer);
+ p2p->cfg->manufacturer = NULL;
+ if (manufacturer) {
+ p2p->cfg->manufacturer = os_strdup(manufacturer);
+ if (p2p->cfg->manufacturer == NULL)
+ return -1;
+ }
+
return 0;
}
-int p2p_set_sec_dev_types(struct p2p_data *p2p, const u8 dev_types[][8],
- size_t num_dev_types)
+int p2p_set_model_name(struct p2p_data *p2p, const char *model_name)
{
- if (num_dev_types > P2P_SEC_DEVICE_TYPES)
- num_dev_types = P2P_SEC_DEVICE_TYPES;
- p2p->cfg->num_sec_dev_types = num_dev_types;
- os_memcpy(p2p->cfg->sec_dev_type, dev_types, num_dev_types * 8);
+ os_free(p2p->cfg->model_name);
+ p2p->cfg->model_name = NULL;
+ if (model_name) {
+ p2p->cfg->model_name = os_strdup(model_name);
+ if (p2p->cfg->model_name == NULL)
+ return -1;
+ }
+
return 0;
}
-int p2p_set_country(struct p2p_data *p2p, const char *country)
+int p2p_set_model_number(struct p2p_data *p2p, const char *model_number)
{
- os_memcpy(p2p->cfg->country, country, 3);
+ os_free(p2p->cfg->model_number);
+ p2p->cfg->model_number = NULL;
+ if (model_number) {
+ p2p->cfg->model_number = os_strdup(model_number);
+ if (p2p->cfg->model_number == NULL)
+ return -1;
+ }
+
return 0;
}
-void p2p_continue_find(struct p2p_data *p2p)
+int p2p_set_serial_number(struct p2p_data *p2p, const char *serial_number)
{
- struct p2p_device *dev;
- p2p_set_state(p2p, P2P_SEARCH);
- dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
- if (dev->flags & P2P_DEV_SD_SCHEDULE) {
- if (p2p_start_sd(p2p, dev) == 0)
- return;
- else
- break;
- } else if (dev->req_config_methods) {
- if (p2p_send_prov_disc_req(p2p, dev, 0) == 0)
- return;
- }
+ os_free(p2p->cfg->serial_number);
+ p2p->cfg->serial_number = NULL;
+ if (serial_number) {
+ p2p->cfg->serial_number = os_strdup(serial_number);
+ if (p2p->cfg->serial_number == NULL)
+ return -1;
}
- p2p_listen_in_find(p2p);
+ return 0;
}
-static void p2p_sd_cb(struct p2p_data *p2p, int success)
+void p2p_set_config_methods(struct p2p_data *p2p, u16 config_methods)
{
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Service Discovery Query TX callback: success=%d",
- success);
- p2p->pending_action_state = P2P_NO_PENDING_ACTION;
+ p2p->cfg->config_methods = config_methods;
+}
- if (!success) {
- if (p2p->sd_peer) {
- p2p->sd_peer->flags &= ~P2P_DEV_SD_SCHEDULE;
- p2p->sd_peer = NULL;
- }
- p2p_continue_find(p2p);
- return;
- }
- if (p2p->sd_peer == NULL) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: No SD peer entry known");
- p2p_continue_find(p2p);
- return;
- }
+void p2p_set_uuid(struct p2p_data *p2p, const u8 *uuid)
+{
+ os_memcpy(p2p->cfg->uuid, uuid, 16);
+}
- /* Wait for response from the peer */
- p2p_set_state(p2p, P2P_SD_DURING_FIND);
- p2p_set_timeout(p2p, 0, 200000);
+
+int p2p_set_pri_dev_type(struct p2p_data *p2p, const u8 *pri_dev_type)
+{
+ os_memcpy(p2p->cfg->pri_dev_type, pri_dev_type, 8);
+ return 0;
}
-static void p2p_prov_disc_cb(struct p2p_data *p2p, int success)
+int p2p_set_sec_dev_types(struct p2p_data *p2p, const u8 dev_types[][8],
+ size_t num_dev_types)
{
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Provision Discovery Request TX callback: success=%d",
- success);
- p2p->pending_action_state = P2P_NO_PENDING_ACTION;
+ if (num_dev_types > P2P_SEC_DEVICE_TYPES)
+ num_dev_types = P2P_SEC_DEVICE_TYPES;
+ p2p->cfg->num_sec_dev_types = num_dev_types;
+ os_memcpy(p2p->cfg->sec_dev_type, dev_types, num_dev_types * 8);
+ return 0;
+}
- if (!success) {
- if (p2p->state != P2P_IDLE)
- p2p_continue_find(p2p);
- return;
- }
- /* Wait for response from the peer */
- if (p2p->state == P2P_SEARCH)
- p2p_set_state(p2p, P2P_PD_DURING_FIND);
- p2p_set_timeout(p2p, 0, 200000);
+void p2p_remove_wps_vendor_extensions(struct p2p_data *p2p)
+{
+ int i;
+
+ for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
+ wpabuf_free(p2p->wps_vendor_ext[i]);
+ p2p->wps_vendor_ext[i] = NULL;
+ }
}
-int p2p_scan_res_handler(struct p2p_data *p2p, const u8 *bssid, int freq,
- int level, const u8 *ies, size_t ies_len)
+int p2p_add_wps_vendor_extension(struct p2p_data *p2p,
+ const struct wpabuf *vendor_ext)
{
- p2p_add_device(p2p, bssid, freq, level, ies, ies_len);
+ int i;
- if (p2p->go_neg_peer && p2p->state == P2P_SEARCH &&
- os_memcmp(p2p->go_neg_peer->p2p_device_addr, bssid, ETH_ALEN) == 0)
- {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Found GO Negotiation peer - try to start GO "
- "negotiation");
- p2p_connect_send(p2p, p2p->go_neg_peer);
- return 1;
+ if (vendor_ext == NULL)
+ return -1;
+
+ for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
+ if (p2p->wps_vendor_ext[i] == NULL)
+ break;
}
+ if (i >= P2P_MAX_WPS_VENDOR_EXT)
+ return -1;
+
+ p2p->wps_vendor_ext[i] = wpabuf_dup(vendor_ext);
+ if (p2p->wps_vendor_ext[i] == NULL)
+ return -1;
return 0;
}
-void p2p_scan_res_handled(struct p2p_data *p2p)
+int p2p_set_country(struct p2p_data *p2p, const char *country)
{
- if (!p2p->p2p_scan_running) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: p2p_scan was not "
- "running, but scan results received");
- }
- p2p->p2p_scan_running = 0;
+ os_memcpy(p2p->cfg->country, country, 3);
+ return 0;
+}
+
+
+static int p2p_pre_find_operation(struct p2p_data *p2p, struct p2p_device *dev)
+{
+ 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)
+ return 1;
+
+ if (dev->req_config_methods &&
+ !(dev->flags & P2P_DEV_PD_FOR_JOIN)) {
+ p2p_dbg(p2p, "Send pending Provision Discovery Request to "
+ MACSTR " (config methods 0x%x)",
+ MAC2STR(dev->info.p2p_device_addr),
+ dev->req_config_methods);
+ if (p2p_send_prov_disc_req(p2p, dev, 0, 0) == 0)
+ return 1;
+ }
+
+ return 0;
+}
+
+
+void p2p_continue_find(struct p2p_data *p2p)
+{
+ struct p2p_device *dev;
+ int found;
+
+ p2p_set_state(p2p, P2P_SEARCH);
+
+ /* Continue from the device following the last iteration */
+ found = 0;
+ dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
+ if (dev == p2p->last_p2p_find_oper) {
+ found = 1;
+ continue;
+ }
+ if (!found)
+ continue;
+ if (p2p_pre_find_operation(p2p, dev) > 0) {
+ p2p->last_p2p_find_oper = dev;
+ return;
+ }
+ }
+
+ /*
+ * Wrap around to the beginning of the list and continue until the last
+ * iteration device.
+ */
+ dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
+ if (p2p_pre_find_operation(p2p, dev) > 0) {
+ p2p->last_p2p_find_oper = dev;
+ return;
+ }
+ if (dev == p2p->last_p2p_find_oper)
+ break;
+ }
+
+ p2p_listen_in_find(p2p, 1);
+}
+
+
+static void p2p_sd_cb(struct p2p_data *p2p, int success)
+{
+ p2p_dbg(p2p, "Service Discovery Query TX callback: success=%d",
+ success);
+ p2p->pending_action_state = P2P_NO_PENDING_ACTION;
+
+ if (!success) {
+ if (p2p->sd_peer)
+ p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
+ p2p->sd_peer = NULL;
+ if (p2p->state != P2P_IDLE)
+ p2p_continue_find(p2p);
+ return;
+ }
+
+ if (p2p->sd_peer == NULL) {
+ p2p_dbg(p2p, "No SD peer entry known");
+ if (p2p->state != P2P_IDLE)
+ p2p_continue_find(p2p);
+ return;
+ }
+
+ if (p2p->sd_query && p2p->sd_query->for_all_peers) {
+ /* Update the pending broadcast SD query count for this device
+ */
+ p2p->sd_peer->sd_pending_bcast_queries--;
+
+ /*
+ * If there are no pending broadcast queries for this device,
+ * mark it as done (-1).
+ */
+ if (p2p->sd_peer->sd_pending_bcast_queries == 0)
+ p2p->sd_peer->sd_pending_bcast_queries = -1;
+ }
+
+ /* Wait for response from the peer */
+ p2p_set_state(p2p, P2P_SD_DURING_FIND);
+ p2p_set_timeout(p2p, 0, 200000);
+}
+
+
+/**
+ * p2p_retry_pd - Retry any pending provision disc requests in IDLE state
+ * @p2p: P2P module context from p2p_init()
+ */
+static void p2p_retry_pd(struct p2p_data *p2p)
+{
+ struct p2p_device *dev;
+
+ /*
+ * Retry the prov disc req attempt only for the peer that the user had
+ * requested.
+ */
+
+ dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
+ if (os_memcmp(p2p->pending_pd_devaddr,
+ dev->info.p2p_device_addr, ETH_ALEN) != 0)
+ continue;
+ if (!dev->req_config_methods)
+ continue;
+
+ p2p_dbg(p2p, "Send pending Provision Discovery Request to "
+ MACSTR " (config methods 0x%x)",
+ MAC2STR(dev->info.p2p_device_addr),
+ dev->req_config_methods);
+ p2p_send_prov_disc_req(p2p, dev,
+ dev->flags & P2P_DEV_PD_FOR_JOIN,
+ p2p->pd_force_freq);
+ return;
+ }
+}
+
+
+static void p2p_prov_disc_cb(struct p2p_data *p2p, int success)
+{
+ p2p_dbg(p2p, "Provision Discovery Request TX callback: success=%d",
+ success);
+
+ /*
+ * Postpone resetting the pending action state till after we actually
+ * time out. This allows us to take some action like notifying any
+ * interested parties about no response to the request.
+ *
+ * When the timer (below) goes off we check in IDLE, SEARCH, or
+ * LISTEN_ONLY state, which are the only allowed states to issue a PD
+ * requests in, if this was still pending and then raise notification.
+ */
+
+ if (!success) {
+ p2p->pending_action_state = P2P_NO_PENDING_ACTION;
+
+ if (p2p->user_initiated_pd &&
+ (p2p->state == P2P_SEARCH || p2p->state == P2P_LISTEN_ONLY))
+ {
+ /* Retry request from timeout to avoid busy loops */
+ p2p->pending_action_state = P2P_PENDING_PD;
+ p2p_set_timeout(p2p, 0, 50000);
+ } else if (p2p->state != P2P_IDLE)
+ p2p_continue_find(p2p);
+ else if (p2p->user_initiated_pd) {
+ p2p->pending_action_state = P2P_PENDING_PD;
+ p2p_set_timeout(p2p, 0, 300000);
+ }
+ return;
+ }
+
+ /*
+ * This postponing, of resetting pending_action_state, needs to be
+ * done only for user initiated PD requests and not internal ones.
+ */
+ if (p2p->user_initiated_pd)
+ p2p->pending_action_state = P2P_PENDING_PD;
+ else
+ p2p->pending_action_state = P2P_NO_PENDING_ACTION;
+
+ /* Wait for response from the peer */
+ if (p2p->state == P2P_SEARCH)
+ p2p_set_state(p2p, P2P_PD_DURING_FIND);
+ p2p_set_timeout(p2p, 0, 200000);
+}
+
+
+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)
+{
+ if (os_reltime_before(rx_time, &p2p->find_start)) {
+ /*
+ * The driver may have cached (e.g., in cfg80211 BSS table) the
+ * scan results for relatively long time. To avoid reporting
+ * stale information, update P2P peers only based on results
+ * that have based on frames received after the last p2p_find
+ * operation was started.
+ */
+ p2p_dbg(p2p, "Ignore old scan result for " MACSTR
+ " (rx_time=%u.%06u)",
+ MAC2STR(bssid), (unsigned int) rx_time->sec,
+ (unsigned int) rx_time->usec);
+ return 0;
+ }
+
+ p2p_add_device(p2p, bssid, freq, rx_time, level, ies, ies_len, 1);
+
+ return 0;
+}
+
+
+void p2p_scan_res_handled(struct p2p_data *p2p)
+{
+ if (!p2p->p2p_scan_running) {
+ p2p_dbg(p2p, "p2p_scan was not running, but scan results received");
+ }
+ p2p->p2p_scan_running = 0;
eloop_cancel_timeout(p2p_scan_timeout, p2p, NULL);
if (p2p_run_after_scan(p2p))
}
-void p2p_scan_ie(struct p2p_data *p2p, struct wpabuf *ies)
+void p2p_scan_ie(struct p2p_data *p2p, struct wpabuf *ies, const u8 *dev_id)
{
- u8 *len = p2p_buf_add_ie_hdr(ies);
- p2p_buf_add_capability(ies, p2p->dev_capab, 0);
+ u8 dev_capab;
+ u8 *len;
+
+#ifdef CONFIG_WIFI_DISPLAY
+ if (p2p->wfd_ie_probe_req)
+ wpabuf_put_buf(ies, p2p->wfd_ie_probe_req);
+#endif /* CONFIG_WIFI_DISPLAY */
+
+ if (p2p->vendor_elem && p2p->vendor_elem[VENDOR_ELEM_PROBE_REQ_P2P])
+ wpabuf_put_buf(ies,
+ p2p->vendor_elem[VENDOR_ELEM_PROBE_REQ_P2P]);
+
+ len = p2p_buf_add_ie_hdr(ies);
+
+ dev_capab = p2p->dev_capab & ~P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY;
+
+ /* P2PS requires Probe Request frames to include SD bit */
+ if (p2p->p2ps_seek && p2p->p2ps_seek_count)
+ dev_capab |= P2P_DEV_CAPAB_SERVICE_DISCOVERY;
+
+ p2p_buf_add_capability(ies, dev_capab, 0);
+
+ if (dev_id)
+ p2p_buf_add_device_id(ies, dev_id);
if (p2p->cfg->reg_class && p2p->cfg->channel)
p2p_buf_add_listen_channel(ies, p2p->cfg->country,
p2p->cfg->reg_class,
if (p2p->ext_listen_interval)
p2p_buf_add_ext_listen_timing(ies, p2p->ext_listen_period,
p2p->ext_listen_interval);
+
+ if (p2p->p2ps_seek && p2p->p2ps_seek_count)
+ p2p_buf_add_service_hash(ies, p2p);
+
/* TODO: p2p_buf_add_operating_channel() if GO */
p2p_buf_update_ie_hdr(ies, len);
}
+size_t p2p_scan_ie_buf_len(struct p2p_data *p2p)
+{
+ size_t len = 100;
+
+#ifdef CONFIG_WIFI_DISPLAY
+ if (p2p && p2p->wfd_ie_probe_req)
+ len += wpabuf_len(p2p->wfd_ie_probe_req);
+#endif /* CONFIG_WIFI_DISPLAY */
+
+ if (p2p && p2p->vendor_elem &&
+ p2p->vendor_elem[VENDOR_ELEM_PROBE_REQ_P2P])
+ len += wpabuf_len(p2p->vendor_elem[VENDOR_ELEM_PROBE_REQ_P2P]);
+
+ return len;
+}
+
+
int p2p_ie_text(struct wpabuf *p2p_ie, char *buf, char *end)
{
return p2p_attr_text(p2p_ie, buf, end);
static void p2p_go_neg_req_cb(struct p2p_data *p2p, int success)
{
struct p2p_device *dev = p2p->go_neg_peer;
+ int timeout;
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: GO Negotiation Request TX callback: success=%d",
- success);
+ p2p_dbg(p2p, "GO Negotiation Request TX callback: success=%d", success);
if (dev == NULL) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: No pending GO Negotiation");
+ p2p_dbg(p2p, "No pending GO Negotiation");
return;
}
if (success) {
- dev->go_neg_req_sent++;
if (dev->flags & P2P_DEV_USER_REJECTED) {
p2p_set_state(p2p, P2P_IDLE);
return;
}
+ } else if (dev->go_neg_req_sent) {
+ /* Cancel the increment from p2p_connect_send() on failure */
+ dev->go_neg_req_sent--;
}
if (!success &&
- (dev->dev_capab & P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY) &&
+ (dev->info.dev_capab & P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY) &&
!is_zero_ether_addr(dev->member_in_go_dev)) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Peer " MACSTR " did not acknowledge request - "
- "try to use device discoverability through its GO",
- MAC2STR(dev->p2p_device_addr));
+ p2p_dbg(p2p, "Peer " MACSTR " did not acknowledge request - try to use device discoverability through its GO",
+ MAC2STR(dev->info.p2p_device_addr));
p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
p2p_send_dev_disc_req(p2p, dev);
return;
* channel.
*/
p2p_set_state(p2p, P2P_CONNECT);
- p2p_set_timeout(p2p, 0, 100000);
+ timeout = success ? 500000 : 100000;
+ if (!success && p2p->go_neg_peer &&
+ (p2p->go_neg_peer->flags & P2P_DEV_PEER_WAITING_RESPONSE)) {
+ unsigned int r;
+ /*
+ * Peer is expected to wait our response and we will skip the
+ * listen phase. Add some randomness to the wait time here to
+ * make it less likely to hit cases where we could end up in
+ * sync with peer not listening.
+ */
+ if (os_get_random((u8 *) &r, sizeof(r)) < 0)
+ r = 0;
+ timeout += r % 100000;
+ }
+ p2p_set_timeout(p2p, 0, timeout);
}
static void p2p_go_neg_resp_cb(struct p2p_data *p2p, int success)
{
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: GO Negotiation Response TX callback: success=%d",
+ p2p_dbg(p2p, "GO Negotiation Response TX callback: success=%d",
success);
if (!p2p->go_neg_peer && p2p->state == P2P_PROVISIONING) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Ignore TX callback event - GO Negotiation is "
- "not running anymore");
+ p2p_dbg(p2p, "Ignore TX callback event - GO Negotiation is not running anymore");
return;
}
p2p_set_state(p2p, P2P_CONNECT);
- p2p_set_timeout(p2p, 0, 100000);
+ p2p_set_timeout(p2p, 0, 500000);
}
-static void p2p_go_neg_resp_failure_cb(struct p2p_data *p2p, int success)
+static void p2p_go_neg_resp_failure_cb(struct p2p_data *p2p, int success,
+ const u8 *addr)
{
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: GO Negotiation Response (failure) TX callback: "
- "success=%d", success);
+ 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,
- p2p->go_neg_peer->status);
+ p2p_go_neg_failed(p2p, p2p->go_neg_peer->status);
+ 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);
}
-static void p2p_go_neg_conf_cb(struct p2p_data *p2p, int success)
+static void p2p_go_neg_conf_cb(struct p2p_data *p2p,
+ enum p2p_send_action_result result)
{
struct p2p_device *dev;
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: GO Negotiation Confirm TX callback: success=%d",
- success);
- p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
- if (!success) {
+ p2p_dbg(p2p, "GO Negotiation Confirm TX callback: result=%d", result);
+ if (result == P2P_SEND_ACTION_FAILED) {
+ p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
+ p2p_go_neg_failed(p2p, -1);
+ return;
+ }
+
+ dev = p2p->go_neg_peer;
+
+ if (result == P2P_SEND_ACTION_NO_ACK) {
+ /*
+ * Retry GO Negotiation Confirmation
+ * P2P_GO_NEG_CNF_MAX_RETRY_COUNT times if we did not receive
+ * ACK for confirmation.
+ */
+ if (dev && dev->go_neg_conf &&
+ dev->go_neg_conf_sent <= P2P_GO_NEG_CNF_MAX_RETRY_COUNT) {
+ p2p_dbg(p2p, "GO Negotiation Confirm retry %d",
+ dev->go_neg_conf_sent);
+ p2p->pending_action_state = P2P_PENDING_GO_NEG_CONFIRM;
+ if (p2p_send_action(p2p, dev->go_neg_conf_freq,
+ dev->info.p2p_device_addr,
+ p2p->cfg->dev_addr,
+ dev->info.p2p_device_addr,
+ wpabuf_head(dev->go_neg_conf),
+ wpabuf_len(dev->go_neg_conf), 0) >=
+ 0) {
+ dev->go_neg_conf_sent++;
+ return;
+ }
+ p2p_dbg(p2p, "Failed to re-send Action frame");
+
+ /*
+ * Continue with the assumption that the first attempt
+ * went through and just the ACK frame was lost.
+ */
+ }
+
/*
* It looks like the TX status for GO Negotiation Confirm is
* often showing failure even when the peer has actually
* peer did indeed receive the frame, continue regardless of
* the TX status.
*/
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Assume GO Negotiation Confirm TX was actually "
- "received by the peer even though Ack was not "
- "reported");
+ p2p_dbg(p2p, "Assume GO Negotiation Confirm TX was actually received by the peer even though Ack was not reported");
}
- dev = p2p->go_neg_peer;
+ p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
+
if (dev == NULL)
return;
void p2p_send_action_cb(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
- const u8 *src, const u8 *bssid, int success)
+ const u8 *src, const u8 *bssid,
+ enum p2p_send_action_result result)
{
enum p2p_pending_action_state state;
+ int success;
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Action frame TX callback (state=%d freq=%u dst=" MACSTR
- " src=" MACSTR " bssid=" MACSTR " success=%d",
+ p2p_dbg(p2p, "Action frame TX callback (state=%d freq=%u dst=" MACSTR
+ " src=" MACSTR " bssid=" MACSTR " result=%d p2p_state=%s)",
p2p->pending_action_state, freq, MAC2STR(dst), MAC2STR(src),
- MAC2STR(bssid), success);
+ MAC2STR(bssid), result, p2p_state_txt(p2p->state));
+ success = result == P2P_SEND_ACTION_SUCCESS;
state = p2p->pending_action_state;
p2p->pending_action_state = P2P_NO_PENDING_ACTION;
switch (state) {
case P2P_NO_PENDING_ACTION:
+ if (p2p->send_action_in_progress) {
+ p2p->send_action_in_progress = 0;
+ p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
+ }
+ p2p_check_after_scan_tx_continuation(p2p);
break;
case P2P_PENDING_GO_NEG_REQUEST:
p2p_go_neg_req_cb(p2p, success);
p2p_go_neg_resp_cb(p2p, success);
break;
case P2P_PENDING_GO_NEG_RESPONSE_FAILURE:
- p2p_go_neg_resp_failure_cb(p2p, success);
+ p2p_go_neg_resp_failure_cb(p2p, success, dst);
break;
case P2P_PENDING_GO_NEG_CONFIRM:
- p2p_go_neg_conf_cb(p2p, success);
+ p2p_go_neg_conf_cb(p2p, result);
break;
case P2P_PENDING_SD:
p2p_sd_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;
p2p_go_disc_req_cb(p2p, success);
break;
}
+
+ p2p->after_scan_tx_in_progress = 0;
}
unsigned int duration)
{
if (freq == p2p->pending_client_disc_freq) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Client discoverability remain-awake completed");
+ p2p_dbg(p2p, "Client discoverability remain-awake completed");
p2p->pending_client_disc_freq = 0;
return;
}
if (freq != p2p->pending_listen_freq) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Unexpected listen callback for freq=%u "
- "duration=%u (pending_listen_freq=%u)",
+ p2p_dbg(p2p, "Unexpected listen callback for freq=%u duration=%u (pending_listen_freq=%u)",
freq, duration, p2p->pending_listen_freq);
return;
}
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Starting Listen timeout(%u,%u) on freq=%u based on "
- "callback",
+ p2p_dbg(p2p, "Starting Listen timeout(%u,%u) on freq=%u based on callback",
p2p->pending_listen_sec, p2p->pending_listen_usec,
p2p->pending_listen_freq);
p2p->in_listen = 1;
- p2p->drv_in_listen = 1;
+ p2p->drv_in_listen = freq;
if (p2p->pending_listen_sec || p2p->pending_listen_usec) {
/*
* Add 20 msec extra wait to avoid race condition with driver
int p2p_listen_end(struct p2p_data *p2p, unsigned int freq)
{
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Driver ended Listen "
- "state (freq=%u)", freq);
+ p2p_dbg(p2p, "Driver ended Listen state (freq=%u)", freq);
p2p->drv_in_listen = 0;
if (p2p->in_listen)
return 0; /* Internal timeout will trigger the next step */
if (p2p->state == P2P_CONNECT_LISTEN && p2p->go_neg_peer) {
+ if (p2p->go_neg_peer->connect_reqs >= 120) {
+ p2p_dbg(p2p, "Timeout on sending GO Negotiation Request without getting response");
+ p2p_go_neg_failed(p2p, -1);
+ return 0;
+ }
+
p2p_set_state(p2p, P2P_CONNECT);
p2p_connect_send(p2p, p2p->go_neg_peer);
return 1;
} else if (p2p->state == P2P_SEARCH) {
+ if (p2p->p2p_scan_running) {
+ /*
+ * Search is already in progress. This can happen if
+ * an Action frame RX is reported immediately after
+ * the end of a remain-on-channel operation and the
+ * response frame to that is sent using an offchannel
+ * operation while in p2p_find. Avoid an attempt to
+ * restart a scan here.
+ */
+ p2p_dbg(p2p, "p2p_scan already in progress - do not try to start a new one");
+ return 1;
+ }
+ if (p2p->pending_listen_freq) {
+ /*
+ * Better wait a bit if the driver is unable to start
+ * offchannel operation for some reason. p2p_search()
+ * will be started from internal timeout.
+ */
+ p2p_dbg(p2p, "Listen operation did not seem to start - delay search phase to avoid busy loop");
+ p2p_set_timeout(p2p, 0, 100000);
+ return 1;
+ }
+ if (p2p->search_delay) {
+ p2p_dbg(p2p, "Delay search operation by %u ms",
+ p2p->search_delay);
+ p2p_set_timeout(p2p, p2p->search_delay / 1000,
+ (p2p->search_delay % 1000) * 1000);
+ return 1;
+ }
p2p_search(p2p);
return 1;
}
static void p2p_timeout_connect(struct p2p_data *p2p)
{
p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
+ if (p2p->go_neg_peer &&
+ (p2p->go_neg_peer->flags & P2P_DEV_WAIT_GO_NEG_CONFIRM)) {
+ p2p_dbg(p2p, "Wait for GO Negotiation Confirm timed out - assume GO Negotiation failed");
+ p2p_go_neg_failed(p2p, -1);
+ return;
+ }
+ if (p2p->go_neg_peer &&
+ (p2p->go_neg_peer->flags & P2P_DEV_PEER_WAITING_RESPONSE) &&
+ p2p->go_neg_peer->connect_reqs < 120) {
+ p2p_dbg(p2p, "Peer expected to wait our response - skip listen");
+ p2p_connect_send(p2p, p2p->go_neg_peer);
+ return;
+ }
+ if (p2p->go_neg_peer && p2p->go_neg_peer->oob_go_neg_freq > 0) {
+ p2p_dbg(p2p, "Skip connect-listen since GO Neg channel known (OOB)");
+ p2p_set_state(p2p, P2P_CONNECT_LISTEN);
+ p2p_set_timeout(p2p, 0, 30000);
+ return;
+ }
p2p_set_state(p2p, P2P_CONNECT_LISTEN);
- p2p_listen_in_find(p2p);
+ p2p_listen_in_find(p2p, 0);
}
{
if (p2p->go_neg_peer) {
if (p2p->drv_in_listen) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Driver is "
- "still in Listen state; wait for it to "
- "complete");
+ p2p_dbg(p2p, "Driver is still in Listen state; wait for it to complete");
return;
}
+
+ if (p2p->go_neg_peer->connect_reqs >= 120) {
+ p2p_dbg(p2p, "Timeout on sending GO Negotiation Request without getting response");
+ p2p_go_neg_failed(p2p, -1);
+ return;
+ }
+
p2p_set_state(p2p, P2P_CONNECT);
p2p_connect_send(p2p, p2p->go_neg_peer);
} else
static void p2p_timeout_wait_peer_connect(struct p2p_data *p2p)
{
- /*
- * TODO: could remain constantly in Listen state for some time if there
- * are no other concurrent uses for the radio. For now, go to listen
- * state once per second to give other uses a chance to use the radio.
- */
p2p_set_state(p2p, P2P_WAIT_PEER_IDLE);
- p2p_set_timeout(p2p, 1, 0);
+
+ if (p2p->cfg->is_concurrent_session_active &&
+ p2p->cfg->is_concurrent_session_active(p2p->cfg->cb_ctx))
+ p2p_set_timeout(p2p, 0, 500000);
+ else
+ p2p_set_timeout(p2p, 0, 200000);
}
struct p2p_device *dev = p2p->go_neg_peer;
if (dev == NULL) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Unknown GO Neg peer - stop GO Neg wait");
+ p2p_dbg(p2p, "Unknown GO Neg peer - stop GO Neg wait");
return;
}
- dev->wait_count++;
- if (dev->wait_count >= 120) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Timeout on waiting peer to become ready for GO "
- "Negotiation");
- p2p_go_neg_failed(p2p, dev, -1);
- return;
- }
-
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Go to Listen state while waiting for the peer to become "
- "ready for GO Negotiation");
+ p2p_dbg(p2p, "Go to Listen state while waiting for the peer to become ready for GO Negotiation");
p2p_set_state(p2p, P2P_WAIT_PEER_CONNECT);
- p2p_listen_in_find(p2p);
+ p2p_listen_in_find(p2p, 0);
}
static void p2p_timeout_sd_during_find(struct p2p_data *p2p)
{
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Service Discovery Query timeout");
+ p2p_dbg(p2p, "Service Discovery Query timeout");
if (p2p->sd_peer) {
p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
- p2p->sd_peer->flags &= ~P2P_DEV_SD_SCHEDULE;
p2p->sd_peer = NULL;
}
p2p_continue_find(p2p);
static void p2p_timeout_prov_disc_during_find(struct p2p_data *p2p)
{
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Provision Discovery Request timeout");
+ p2p_dbg(p2p, "Provision Discovery Request timeout");
p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
p2p_continue_find(p2p);
}
+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 user initiated PD requests that we have not gotten any responses
+ * for while in IDLE state, we retry them a couple of times before
+ * giving up.
+ */
+ if (!p2p->user_initiated_pd)
+ return;
+
+ p2p_dbg(p2p, "User initiated Provision Discovery Request timeout");
+
+ if (p2p->pd_retries) {
+ p2p->pd_retries--;
+ p2p_retry_pd(p2p);
+ } else {
+ struct p2p_device *dev;
+ int for_join = 0;
+
+ dl_list_for_each(dev, &p2p->devices, struct p2p_device, list) {
+ if (os_memcmp(p2p->pending_pd_devaddr,
+ dev->info.p2p_device_addr, ETH_ALEN) != 0)
+ continue;
+ if (dev->req_config_methods &&
+ (dev->flags & P2P_DEV_PD_FOR_JOIN))
+ 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,
+ adv_id, adv_mac, NULL);
+ p2p_reset_pending_pd(p2p);
+ }
+}
+
+
static void p2p_timeout_invite(struct p2p_data *p2p)
{
p2p->cfg->send_action_done(p2p->cfg->cb_ctx);
* Better remain on operating channel instead of listen channel
* when running a group.
*/
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Inviting in "
- "active GO role - wait on operating channel");
+ p2p_dbg(p2p, "Inviting in active GO role - wait on operating channel");
p2p_set_timeout(p2p, 0, 100000);
return;
}
- p2p_listen_in_find(p2p);
+ p2p_listen_in_find(p2p, 0);
}
if (p2p->invite_peer && p2p->invite_peer->invitation_reqs < 100) {
p2p_set_state(p2p, P2P_INVITE);
p2p_invite_send(p2p, p2p->invite_peer,
- p2p->invite_go_dev_addr);
+ p2p->invite_go_dev_addr, p2p->invite_dev_pw_id);
} else {
if (p2p->invite_peer) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Invitation Request retry limit reached");
+ p2p_dbg(p2p, "Invitation Request retry limit reached");
if (p2p->cfg->invitation_result)
p2p->cfg->invitation_result(
- p2p->cfg->cb_ctx, -1, NULL);
+ p2p->cfg->cb_ctx, -1, NULL, NULL,
+ p2p->invite_peer->info.p2p_device_addr,
+ 0, 0);
}
p2p_set_state(p2p, P2P_IDLE);
}
{
struct p2p_data *p2p = eloop_ctx;
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Timeout (state=%s)",
- p2p_state_txt(p2p->state));
+ p2p_dbg(p2p, "Timeout (state=%s)", p2p_state_txt(p2p->state));
p2p->in_listen = 0;
+ if (p2p->drv_in_listen) {
+ p2p_dbg(p2p, "Driver is still in listen state - stop it");
+ p2p->cfg->stop_listen(p2p->cfg->cb_ctx);
+ }
switch (p2p->state) {
case P2P_IDLE:
+ /* Check if we timed out waiting for PD req */
+ if (p2p->pending_action_state == P2P_PENDING_PD)
+ p2p_timeout_prov_disc_req(p2p);
break;
case P2P_SEARCH:
+ /* Check if we timed out waiting for PD req */
+ if (p2p->pending_action_state == P2P_PENDING_PD)
+ p2p_timeout_prov_disc_req(p2p);
+ if (p2p->search_delay && !p2p->in_search_delay) {
+ p2p_dbg(p2p, "Delay search operation by %u ms",
+ p2p->search_delay);
+ p2p->in_search_delay = 1;
+ p2p_set_timeout(p2p, p2p->search_delay / 1000,
+ (p2p->search_delay % 1000) * 1000);
+ break;
+ }
+ p2p->in_search_delay = 0;
p2p_search(p2p);
break;
case P2P_CONNECT:
case P2P_GO_NEG:
break;
case P2P_LISTEN_ONLY:
+ /* Check if we timed out waiting for PD req */
+ if (p2p->pending_action_state == P2P_PENDING_PD)
+ p2p_timeout_prov_disc_req(p2p);
+
if (p2p->ext_listen_only) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Extended Listen Timing - Listen State "
- "completed");
+ p2p_dbg(p2p, "Extended Listen Timing - Listen State completed");
p2p->ext_listen_only = 0;
p2p_set_state(p2p, P2P_IDLE);
}
struct p2p_device *dev;
dev = p2p_get_device(p2p, peer_addr);
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Local request to reject "
- "connection attempts by peer " MACSTR, MAC2STR(peer_addr));
+ p2p_dbg(p2p, "Local request to reject connection attempts by peer "
+ MACSTR, MAC2STR(peer_addr));
if (dev == NULL) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Peer " MACSTR
- " unknown", MAC2STR(peer_addr));
+ p2p_dbg(p2p, "Peer " MACSTR " unknown", MAC2STR(peer_addr));
return -1;
}
dev->status = P2P_SC_FAIL_REJECTED_BY_USER;
}
-static const char * p2p_wps_method_text(enum p2p_wps_method method)
+const char * p2p_wps_method_text(enum p2p_wps_method method)
{
switch (method) {
case WPS_NOT_READY:
return "not-ready";
- case WPS_PIN_LABEL:
- return "Label";
case WPS_PIN_DISPLAY:
return "Display";
case WPS_PIN_KEYPAD:
return "Keypad";
case WPS_PBC:
return "PBC";
+ case WPS_NFC:
+ return "NFC";
+ case WPS_P2PS:
+ return "P2PS";
}
return "??";
}
-int p2p_get_peer_info(struct p2p_data *p2p, const u8 *addr, int next,
- char *buf, size_t buflen)
+const struct p2p_peer_info * p2p_get_peer_info(struct p2p_data *p2p,
+ const u8 *addr, int next)
{
struct p2p_device *dev;
- int res;
- char *pos, *end;
- struct os_time now;
- char devtype[WPS_DEV_TYPE_BUFSIZE];
if (addr)
dev = p2p_get_device(p2p, addr);
}
if (dev == NULL)
+ return NULL;
+
+ return &dev->info;
+}
+
+
+int p2p_get_peer_info_txt(const struct p2p_peer_info *info,
+ char *buf, size_t buflen)
+{
+ struct p2p_device *dev;
+ int res;
+ char *pos, *end;
+ struct os_reltime now;
+
+ if (info == NULL)
return -1;
+ dev = (struct p2p_device *) (((u8 *) info) -
+ offsetof(struct p2p_device, info));
+
pos = buf;
end = buf + buflen;
- res = os_snprintf(pos, end - pos, MACSTR "\n",
- MAC2STR(dev->p2p_device_addr));
- if (res < 0 || res >= end - pos)
- return pos - buf;
- pos += res;
-
- os_get_time(&now);
+ os_get_reltime(&now);
res = os_snprintf(pos, end - pos,
"age=%d\n"
"listen_freq=%d\n"
- "level=%d\n"
"wps_method=%s\n"
"interface_addr=" MACSTR "\n"
"member_in_go_dev=" MACSTR "\n"
"member_in_go_iface=" MACSTR "\n"
- "pri_dev_type=%s\n"
- "device_name=%s\n"
- "config_methods=0x%x\n"
- "dev_capab=0x%x\n"
- "group_capab=0x%x\n"
"go_neg_req_sent=%d\n"
"go_state=%s\n"
"dialog_token=%u\n"
"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%s\n"
+ "flags=%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n"
"status=%d\n"
- "wait_count=%u\n"
"invitation_reqs=%u\n",
(int) (now.sec - dev->last_seen.sec),
dev->listen_freq,
- dev->level,
p2p_wps_method_text(dev->wps_method),
MAC2STR(dev->interface_addr),
MAC2STR(dev->member_in_go_dev),
MAC2STR(dev->member_in_go_iface),
- wps_dev_type_bin2str(dev->pri_dev_type,
- devtype, sizeof(devtype)),
- dev->device_name,
- dev->config_methods,
- dev->dev_capab,
- dev->group_capab,
dev->go_neg_req_sent,
p2p_go_state_text(dev->go_state),
dev->dialog_token,
dev->flags & P2P_DEV_REPORTED ? "[REPORTED]" : "",
dev->flags & P2P_DEV_NOT_YET_READY ?
"[NOT_YET_READY]" : "",
- dev->flags & P2P_DEV_SD_INFO ? "[SD_INFO]" : "",
- dev->flags & P2P_DEV_SD_SCHEDULE ? "[SD_SCHEDULE]" :
- "",
dev->flags & P2P_DEV_PD_PEER_DISPLAY ?
"[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 ?
dev->flags & P2P_DEV_GROUP_CLIENT_ONLY ?
"[GROUP_CLIENT_ONLY]" : "",
dev->flags & P2P_DEV_FORCE_FREQ ?
- "[FORCE_FREQ" : "",
+ "[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->wait_count,
dev->invitation_reqs);
- if (res < 0 || res >= end - pos)
+ if (os_snprintf_error(end - pos, res))
return pos - buf;
pos += res;
"ext_listen_interval=%u\n",
dev->ext_listen_period,
dev->ext_listen_interval);
- if (res < 0 || res >= end - pos)
+ if (os_snprintf_error(end - pos, res))
return pos - buf;
pos += res;
}
"oper_ssid=%s\n",
wpa_ssid_txt(dev->oper_ssid,
dev->oper_ssid_len));
- if (res < 0 || res >= end - pos)
+ if (os_snprintf_error(end - pos, res))
return pos - buf;
pos += res;
}
+#ifdef CONFIG_WIFI_DISPLAY
+ if (dev->info.wfd_subelems) {
+ res = os_snprintf(pos, end - pos, "wfd_subelems=");
+ if (os_snprintf_error(end - pos, res))
+ return pos - buf;
+ pos += res;
+
+ pos += wpa_snprintf_hex(pos, end - pos,
+ wpabuf_head(dev->info.wfd_subelems),
+ wpabuf_len(dev->info.wfd_subelems));
+
+ res = os_snprintf(pos, end - pos, "\n");
+ if (os_snprintf_error(end - pos, res))
+ return pos - buf;
+ pos += res;
+ }
+#endif /* CONFIG_WIFI_DISPLAY */
+
return pos - buf;
}
+int p2p_peer_known(struct p2p_data *p2p, const u8 *addr)
+{
+ return p2p_get_device(p2p, addr) != NULL;
+}
+
+
void p2p_set_client_discoverability(struct p2p_data *p2p, int enabled)
{
if (enabled) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Client "
- "discoverability enabled");
+ p2p_dbg(p2p, "Client discoverability enabled");
p2p->dev_capab |= P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY;
} else {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Client "
- "discoverability disabled");
+ p2p_dbg(p2p, "Client discoverability disabled");
p2p->dev_capab &= ~P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY;
}
}
{
struct wpabuf *req;
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Send Presence Request to "
- "GO " MACSTR " (own interface " MACSTR ") freq=%u dur1=%u "
- "int1=%u dur2=%u int2=%u",
+ p2p_dbg(p2p, "Send Presence Request to GO " MACSTR
+ " (own interface " MACSTR ") freq=%u dur1=%u int1=%u "
+ "dur2=%u int2=%u",
MAC2STR(go_interface_addr), MAC2STR(own_interface_addr),
freq, duration1, interval1, duration2, interval2);
return -1;
p2p->pending_action_state = P2P_NO_PENDING_ACTION;
- if (p2p->cfg->send_action(p2p->cfg->cb_ctx, freq, go_interface_addr,
- own_interface_addr,
- go_interface_addr,
- wpabuf_head(req), wpabuf_len(req), 200) < 0)
- {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Failed to send Action frame");
+ if (p2p_send_action(p2p, freq, go_interface_addr, own_interface_addr,
+ go_interface_addr,
+ wpabuf_head(req), wpabuf_len(req), 200) < 0) {
+ p2p_dbg(p2p, "Failed to send Action frame");
}
wpabuf_free(req);
u8 noa[50];
int noa_len;
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Received P2P Action - P2P Presence Request");
+ p2p_dbg(p2p, "Received P2P Action - P2P Presence Request");
for (g = 0; g < p2p->num_groups; g++) {
if (os_memcmp(da, p2p_group_get_interface_addr(p2p->groups[g]),
}
}
if (group == NULL) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Ignore P2P Presence Request for unknown group "
+ p2p_dbg(p2p, "Ignore P2P Presence Request for unknown group "
MACSTR, MAC2STR(da));
return;
}
if (p2p_parse(data, len, &msg) < 0) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Failed to parse P2P Presence Request");
+ p2p_dbg(p2p, "Failed to parse P2P Presence Request");
status = P2P_SC_FAIL_INVALID_PARAMS;
goto fail;
}
parsed = 1;
if (msg.noa == NULL) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: No NoA attribute in P2P Presence Request");
+ p2p_dbg(p2p, "No NoA attribute in P2P Presence Request");
status = P2P_SC_FAIL_INVALID_PARAMS;
goto fail;
}
return;
p2p->pending_action_state = P2P_NO_PENDING_ACTION;
- if (p2p->cfg->send_action(p2p->cfg->cb_ctx, rx_freq, sa, da, da,
- wpabuf_head(resp), wpabuf_len(resp), 200) <
- 0) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Failed to send Action frame");
+ if (p2p_send_action(p2p, rx_freq, sa, da, da,
+ wpabuf_head(resp), wpabuf_len(resp), 200) < 0) {
+ p2p_dbg(p2p, "Failed to send Action frame");
}
wpabuf_free(resp);
}
{
struct p2p_message msg;
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Received P2P Action - P2P Presence Response");
+ p2p_dbg(p2p, "Received P2P Action - P2P Presence Response");
if (p2p_parse(data, len, &msg) < 0) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Failed to parse P2P Presence Response");
+ p2p_dbg(p2p, "Failed to parse P2P Presence Response");
return;
}
if (msg.status == NULL || msg.noa == NULL) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: No Status or NoA attribute in P2P Presence "
- "Response");
+ p2p_dbg(p2p, "No Status or NoA attribute in P2P Presence Response");
p2p_parse_free(&msg);
return;
}
+ if (p2p->cfg->presence_resp) {
+ p2p->cfg->presence_resp(p2p->cfg->cb_ctx, sa, *msg.status,
+ msg.noa, msg.noa_len);
+ }
+
if (*msg.status) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: P2P Presence Request was rejected: status %u",
+ p2p_dbg(p2p, "P2P Presence Request was rejected: status %u",
*msg.status);
p2p_parse_free(&msg);
return;
}
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: P2P Presence Request was accepted");
+ p2p_dbg(p2p, "P2P Presence Request was accepted");
wpa_hexdump(MSG_DEBUG, "P2P: P2P Presence Response - NoA",
msg.noa, msg.noa_len);
/* TODO: process NoA */
p2p_ext_listen_timeout, p2p, NULL);
}
+ if ((p2p->cfg->is_p2p_in_progress &&
+ p2p->cfg->is_p2p_in_progress(p2p->cfg->cb_ctx)) ||
+ (p2p->pending_action_state == P2P_PENDING_PD &&
+ p2p->pd_retries > 0)) {
+ p2p_dbg(p2p, "Operation in progress - skip Extended Listen timeout (%s)",
+ p2p_state_txt(p2p->state));
+ return;
+ }
+
if (p2p->state == P2P_LISTEN_ONLY && p2p->ext_listen_only) {
/*
* This should not really happen, but it looks like the Listen
* running at an inconvenient time. As a workaround, allow new
* Extended Listen operation to be started.
*/
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Previous "
- "Extended Listen operation had not been completed - "
- "try again");
+ p2p_dbg(p2p, "Previous Extended Listen operation had not been completed - try again");
p2p->ext_listen_only = 0;
p2p_set_state(p2p, P2P_IDLE);
}
if (p2p->state != P2P_IDLE) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Skip Extended "
- "Listen timeout in active state (%s)",
- p2p_state_txt(p2p->state));
+ p2p_dbg(p2p, "Skip Extended Listen timeout in active state (%s)", p2p_state_txt(p2p->state));
return;
}
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Extended Listen timeout");
+ p2p_dbg(p2p, "Extended Listen timeout");
p2p->ext_listen_only = 1;
if (p2p_listen(p2p, p2p->ext_listen_period) < 0) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Failed to start "
- "Listen state for Extended Listen Timing");
+ p2p_dbg(p2p, "Failed to start Listen state for Extended Listen Timing");
p2p->ext_listen_only = 0;
}
}
{
if (period > 65535 || interval > 65535 || period > interval ||
(period == 0 && interval > 0) || (period > 0 && interval == 0)) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Invalid Extended Listen Timing request: "
- "period=%u interval=%u", period, interval);
+ p2p_dbg(p2p, "Invalid Extended Listen Timing request: period=%u interval=%u",
+ period, interval);
return -1;
}
eloop_cancel_timeout(p2p_ext_listen_timeout, p2p, NULL);
if (interval == 0) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Disabling Extended Listen Timing");
+ p2p_dbg(p2p, "Disabling Extended Listen Timing");
p2p->ext_listen_period = 0;
p2p->ext_listen_interval = 0;
return 0;
}
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
- "P2P: Enabling Extended Listen Timing: period %u msec, "
- "interval %u msec", period, interval);
+ p2p_dbg(p2p, "Enabling Extended Listen Timing: period %u msec, interval %u msec",
+ period, interval);
p2p->ext_listen_period = period;
p2p->ext_listen_interval = interval;
p2p->ext_listen_interval_sec = interval / 1000;
os_memset(&msg, 0, sizeof(msg));
if (p2p_parse_ies(ie, ie_len, &msg))
return;
- if (msg.minor_reason_code == NULL)
+ if (msg.minor_reason_code == NULL) {
+ p2p_parse_free(&msg);
return;
+ }
- wpa_msg(p2p->cfg->msg_ctx, MSG_INFO,
- "P2P: Deauthentication notification BSSID " MACSTR
+ p2p_dbg(p2p, "Deauthentication notification BSSID " MACSTR
" reason_code=%u minor_reason_code=%u",
MAC2STR(bssid), reason_code, *msg.minor_reason_code);
os_memset(&msg, 0, sizeof(msg));
if (p2p_parse_ies(ie, ie_len, &msg))
return;
- if (msg.minor_reason_code == NULL)
+ if (msg.minor_reason_code == NULL) {
+ p2p_parse_free(&msg);
return;
+ }
- wpa_msg(p2p->cfg->msg_ctx, MSG_INFO,
- "P2P: Disassociation notification BSSID " MACSTR
+ p2p_dbg(p2p, "Disassociation notification BSSID " MACSTR
" reason_code=%u minor_reason_code=%u",
MAC2STR(bssid), reason_code, *msg.minor_reason_code);
void p2p_set_managed_oper(struct p2p_data *p2p, int enabled)
{
if (enabled) {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Managed P2P "
- "Device operations enabled");
+ p2p_dbg(p2p, "Managed P2P Device operations enabled");
p2p->dev_capab |= P2P_DEV_CAPAB_INFRA_MANAGED;
} else {
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Managed P2P "
- "Device operations disabled");
+ p2p_dbg(p2p, "Managed P2P Device operations disabled");
p2p->dev_capab &= ~P2P_DEV_CAPAB_INFRA_MANAGED;
}
}
-int p2p_set_listen_channel(struct p2p_data *p2p, u8 reg_class, u8 channel)
+int p2p_config_get_random_social(struct p2p_config *p2p, u8 *op_class,
+ u8 *op_channel)
{
- if (p2p_channel_to_freq(p2p->cfg->country, reg_class, channel) < 0)
+ return p2p_channel_random_social(&p2p->channels, op_class, op_channel);
+}
+
+
+int p2p_set_listen_channel(struct p2p_data *p2p, u8 reg_class, u8 channel,
+ u8 forced)
+{
+ if (p2p_channel_to_freq(reg_class, channel) < 0)
+ return -1;
+
+ /*
+ * Listen channel was set in configuration or set by control interface;
+ * cannot override it.
+ */
+ if (p2p->cfg->channel_forced && forced == 0) {
+ p2p_dbg(p2p,
+ "Listen channel was previously configured - do not override based on optimization");
return -1;
+ }
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Set Listen channel: "
- "reg_class %u channel %u", reg_class, channel);
- p2p->cfg->reg_class = reg_class;
- p2p->cfg->channel = channel;
+ 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;
+ p2p->cfg->channel = channel;
+ p2p->cfg->channel_forced = forced;
+ } else {
+ p2p_dbg(p2p, "Defer setting listen channel");
+ p2p->pending_reg_class = reg_class;
+ p2p->pending_channel = channel;
+ p2p->pending_channel_forced = forced;
+ }
return 0;
}
+u8 p2p_get_listen_channel(struct p2p_data *p2p)
+{
+ return p2p->cfg->channel;
+}
+
+
int p2p_set_ssid_postfix(struct p2p_data *p2p, const u8 *postfix, size_t len)
{
- wpa_hexdump_ascii(MSG_DEBUG, "P2P: New SSID postfix", postfix, len);
+ p2p_dbg(p2p, "New SSID postfix: %s", wpa_ssid_txt(postfix, len));
if (postfix == NULL) {
p2p->cfg->ssid_postfix_len = 0;
return 0;
}
+int p2p_set_oper_channel(struct p2p_data *p2p, u8 op_reg_class, u8 op_channel,
+ int cfg_op_channel)
+{
+ if (p2p_channel_to_freq(op_reg_class, op_channel) < 0)
+ return -1;
+
+ p2p_dbg(p2p, "Set Operating channel: reg_class %u channel %u",
+ op_reg_class, op_channel);
+ p2p->cfg->op_reg_class = op_reg_class;
+ p2p->cfg->op_channel = op_channel;
+ p2p->cfg->cfg_op_channel = cfg_op_channel;
+ return 0;
+}
+
+
+int p2p_set_pref_chan(struct p2p_data *p2p, unsigned int num_pref_chan,
+ const struct p2p_channel *pref_chan)
+{
+ struct p2p_channel *n;
+
+ if (pref_chan) {
+ n = os_malloc(num_pref_chan * sizeof(struct p2p_channel));
+ if (n == NULL)
+ return -1;
+ os_memcpy(n, pref_chan,
+ num_pref_chan * sizeof(struct p2p_channel));
+ } else
+ n = NULL;
+
+ os_free(p2p->cfg->pref_chan);
+ p2p->cfg->pref_chan = n;
+ p2p->cfg->num_pref_chan = num_pref_chan;
+
+ return 0;
+}
+
+
+int p2p_set_no_go_freq(struct p2p_data *p2p,
+ const struct wpa_freq_range_list *list)
+{
+ struct wpa_freq_range *tmp;
+
+ if (list == NULL || list->num == 0) {
+ os_free(p2p->no_go_freq.range);
+ p2p->no_go_freq.range = NULL;
+ p2p->no_go_freq.num = 0;
+ return 0;
+ }
+
+ tmp = os_calloc(list->num, sizeof(struct wpa_freq_range));
+ if (tmp == NULL)
+ return -1;
+ os_memcpy(tmp, list->range, list->num * sizeof(struct wpa_freq_range));
+ os_free(p2p->no_go_freq.range);
+ p2p->no_go_freq.range = tmp;
+ p2p->no_go_freq.num = list->num;
+ p2p_dbg(p2p, "Updated no GO chan list");
+
+ return 0;
+}
+
+
int p2p_get_interface_addr(struct p2p_data *p2p, const u8 *dev_addr,
u8 *iface_addr)
{
struct p2p_device *dev = p2p_get_device_interface(p2p, iface_addr);
if (dev == NULL)
return -1;
- os_memcpy(dev_addr, dev->p2p_device_addr, ETH_ALEN);
+ os_memcpy(dev_addr, dev->info.p2p_device_addr, ETH_ALEN);
return 0;
}
{
os_memcpy(p2p->peer_filter, addr, ETH_ALEN);
if (is_zero_ether_addr(p2p->peer_filter))
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Disable peer "
- "filter");
+ p2p_dbg(p2p, "Disable peer filter");
else
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Enable peer "
- "filter for " MACSTR, MAC2STR(p2p->peer_filter));
+ p2p_dbg(p2p, "Enable peer filter for " MACSTR,
+ MAC2STR(p2p->peer_filter));
}
void p2p_set_cross_connect(struct p2p_data *p2p, int enabled)
{
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Cross connection %s",
- enabled ? "enabled" : "disabled");
+ p2p_dbg(p2p, "Cross connection %s", enabled ? "enabled" : "disabled");
if (p2p->cross_connect == enabled)
return;
p2p->cross_connect = enabled;
void p2p_set_intra_bss_dist(struct p2p_data *p2p, int enabled)
{
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Intra BSS distribution %s",
+ p2p_dbg(p2p, "Intra BSS distribution %s",
enabled ? "enabled" : "disabled");
p2p->cfg->p2p_intra_bss = enabled;
}
-void p2p_update_channel_list(struct p2p_data *p2p, struct p2p_channels *chan)
+void p2p_update_channel_list(struct p2p_data *p2p,
+ const struct p2p_channels *chan,
+ const struct p2p_channels *cli_chan)
{
- wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Update channel list");
+ p2p_dbg(p2p, "Update channel list");
os_memcpy(&p2p->cfg->channels, chan, sizeof(struct p2p_channels));
+ p2p_channels_dump(p2p, "channels", &p2p->cfg->channels);
+ os_memcpy(&p2p->cfg->cli_channels, cli_chan,
+ sizeof(struct p2p_channels));
+ p2p_channels_dump(p2p, "cli_channels", &p2p->cfg->cli_channels);
+}
+
+
+int p2p_send_action(struct p2p_data *p2p, unsigned int freq, const u8 *dst,
+ const u8 *src, const u8 *bssid, const u8 *buf,
+ size_t len, unsigned int wait_time)
+{
+ if (p2p->p2p_scan_running) {
+ p2p_dbg(p2p, "Delay Action frame TX until p2p_scan completes");
+ if (p2p->after_scan_tx) {
+ p2p_dbg(p2p, "Dropped previous pending Action frame TX");
+ os_free(p2p->after_scan_tx);
+ }
+ p2p->after_scan_tx = os_malloc(sizeof(*p2p->after_scan_tx) +
+ len);
+ if (p2p->after_scan_tx == NULL)
+ return -1;
+ p2p->after_scan_tx->freq = freq;
+ os_memcpy(p2p->after_scan_tx->dst, dst, ETH_ALEN);
+ os_memcpy(p2p->after_scan_tx->src, src, ETH_ALEN);
+ os_memcpy(p2p->after_scan_tx->bssid, bssid, ETH_ALEN);
+ p2p->after_scan_tx->len = len;
+ p2p->after_scan_tx->wait_time = wait_time;
+ os_memcpy(p2p->after_scan_tx + 1, buf, len);
+ return 0;
+ }
+
+ return p2p->cfg->send_action(p2p->cfg->cb_ctx, freq, dst, src, bssid,
+ buf, len, wait_time);
+}
+
+
+void p2p_set_best_channels(struct p2p_data *p2p, int freq_24, int freq_5,
+ int freq_overall)
+{
+ p2p_dbg(p2p, "Best channel: 2.4 GHz: %d, 5 GHz: %d, overall: %d",
+ freq_24, freq_5, freq_overall);
+ p2p->best_freq_24 = freq_24;
+ p2p->best_freq_5 = freq_5;
+ p2p->best_freq_overall = freq_overall;
+}
+
+
+void p2p_set_own_freq_preference(struct p2p_data *p2p, int freq)
+{
+ p2p_dbg(p2p, "Own frequency preference: %d MHz", freq);
+ p2p->own_freq_preference = freq;
+}
+
+
+const u8 * p2p_get_go_neg_peer(struct p2p_data *p2p)
+{
+ if (p2p == NULL || p2p->go_neg_peer == NULL)
+ return NULL;
+ return p2p->go_neg_peer->info.p2p_device_addr;
+}
+
+
+const struct p2p_peer_info *
+p2p_get_peer_found(struct p2p_data *p2p, const u8 *addr, int next)
+{
+ struct p2p_device *dev;
+
+ if (addr) {
+ dev = p2p_get_device(p2p, addr);
+ if (!dev)
+ return NULL;
+
+ if (!next) {
+ if (dev->flags & P2P_DEV_PROBE_REQ_ONLY)
+ return NULL;
+
+ return &dev->info;
+ } else {
+ do {
+ dev = dl_list_first(&dev->list,
+ struct p2p_device,
+ list);
+ if (!dev || &dev->list == &p2p->devices)
+ return NULL;
+ } while (dev->flags & P2P_DEV_PROBE_REQ_ONLY);
+ }
+ } else {
+ dev = dl_list_first(&p2p->devices, struct p2p_device, list);
+ if (!dev)
+ return NULL;
+ while (dev->flags & P2P_DEV_PROBE_REQ_ONLY) {
+ dev = dl_list_first(&dev->list,
+ struct p2p_device,
+ list);
+ if (!dev || &dev->list == &p2p->devices)
+ return NULL;
+ }
+ }
+
+ return &dev->info;
+}
+
+
+int p2p_in_progress(struct p2p_data *p2p)
+{
+ if (p2p == NULL)
+ return 0;
+ if (p2p->state == P2P_SEARCH)
+ return 2;
+ return p2p->state != P2P_IDLE && p2p->state != P2P_PROVISIONING;
+}
+
+
+void p2p_set_config_timeout(struct p2p_data *p2p, u8 go_timeout,
+ u8 client_timeout)
+{
+ if (p2p) {
+ p2p->go_timeout = go_timeout;
+ p2p->client_timeout = client_timeout;
+ }
+}
+
+
+#ifdef CONFIG_WIFI_DISPLAY
+
+static void p2p_update_wfd_ie_groups(struct p2p_data *p2p)
+{
+ size_t g;
+ struct p2p_group *group;
+
+ for (g = 0; g < p2p->num_groups; g++) {
+ group = p2p->groups[g];
+ p2p_group_force_beacon_update_ies(group);
+ }
+}
+
+
+int p2p_set_wfd_ie_beacon(struct p2p_data *p2p, struct wpabuf *ie)
+{
+ wpabuf_free(p2p->wfd_ie_beacon);
+ p2p->wfd_ie_beacon = ie;
+ p2p_update_wfd_ie_groups(p2p);
+ return 0;
+}
+
+
+int p2p_set_wfd_ie_probe_req(struct p2p_data *p2p, struct wpabuf *ie)
+{
+ wpabuf_free(p2p->wfd_ie_probe_req);
+ p2p->wfd_ie_probe_req = ie;
+ return 0;
+}
+
+
+int p2p_set_wfd_ie_probe_resp(struct p2p_data *p2p, struct wpabuf *ie)
+{
+ wpabuf_free(p2p->wfd_ie_probe_resp);
+ p2p->wfd_ie_probe_resp = ie;
+ p2p_update_wfd_ie_groups(p2p);
+ return 0;
+}
+
+
+int p2p_set_wfd_ie_assoc_req(struct p2p_data *p2p, struct wpabuf *ie)
+{
+ wpabuf_free(p2p->wfd_ie_assoc_req);
+ p2p->wfd_ie_assoc_req = ie;
+ return 0;
+}
+
+
+int p2p_set_wfd_ie_invitation(struct p2p_data *p2p, struct wpabuf *ie)
+{
+ wpabuf_free(p2p->wfd_ie_invitation);
+ p2p->wfd_ie_invitation = ie;
+ return 0;
+}
+
+
+int p2p_set_wfd_ie_prov_disc_req(struct p2p_data *p2p, struct wpabuf *ie)
+{
+ wpabuf_free(p2p->wfd_ie_prov_disc_req);
+ p2p->wfd_ie_prov_disc_req = ie;
+ return 0;
+}
+
+
+int p2p_set_wfd_ie_prov_disc_resp(struct p2p_data *p2p, struct wpabuf *ie)
+{
+ wpabuf_free(p2p->wfd_ie_prov_disc_resp);
+ p2p->wfd_ie_prov_disc_resp = ie;
+ return 0;
+}
+
+
+int p2p_set_wfd_ie_go_neg(struct p2p_data *p2p, struct wpabuf *ie)
+{
+ wpabuf_free(p2p->wfd_ie_go_neg);
+ p2p->wfd_ie_go_neg = ie;
+ return 0;
+}
+
+
+int p2p_set_wfd_dev_info(struct p2p_data *p2p, const struct wpabuf *elem)
+{
+ wpabuf_free(p2p->wfd_dev_info);
+ if (elem) {
+ p2p->wfd_dev_info = wpabuf_dup(elem);
+ if (p2p->wfd_dev_info == NULL)
+ return -1;
+ } else
+ p2p->wfd_dev_info = NULL;
+
+ return 0;
+}
+
+
+int p2p_set_wfd_assoc_bssid(struct p2p_data *p2p, const struct wpabuf *elem)
+{
+ wpabuf_free(p2p->wfd_assoc_bssid);
+ if (elem) {
+ p2p->wfd_assoc_bssid = wpabuf_dup(elem);
+ if (p2p->wfd_assoc_bssid == NULL)
+ return -1;
+ } else
+ p2p->wfd_assoc_bssid = NULL;
+
+ return 0;
+}
+
+
+int p2p_set_wfd_coupled_sink_info(struct p2p_data *p2p,
+ const struct wpabuf *elem)
+{
+ wpabuf_free(p2p->wfd_coupled_sink_info);
+ if (elem) {
+ p2p->wfd_coupled_sink_info = wpabuf_dup(elem);
+ if (p2p->wfd_coupled_sink_info == NULL)
+ return -1;
+ } else
+ p2p->wfd_coupled_sink_info = NULL;
+
+ return 0;
+}
+
+#endif /* CONFIG_WIFI_DISPLAY */
+
+
+int p2p_set_disc_int(struct p2p_data *p2p, int min_disc_int, int max_disc_int,
+ int max_disc_tu)
+{
+ if (min_disc_int > max_disc_int || min_disc_int < 0 || max_disc_int < 0)
+ return -1;
+
+ p2p->min_disc_int = min_disc_int;
+ p2p->max_disc_int = max_disc_int;
+ p2p->max_disc_tu = max_disc_tu;
+ p2p_dbg(p2p, "Set discoverable interval: min=%d max=%d max_tu=%d",
+ min_disc_int, max_disc_int, max_disc_tu);
+
+ return 0;
+}
+
+
+void p2p_dbg(struct p2p_data *p2p, const char *fmt, ...)
+{
+ va_list ap;
+ char buf[500];
+
+ if (!p2p->cfg->debug_print)
+ return;
+
+ va_start(ap, fmt);
+ vsnprintf(buf, sizeof(buf), fmt, ap);
+ buf[sizeof(buf) - 1] = '\0';
+ va_end(ap);
+ p2p->cfg->debug_print(p2p->cfg->cb_ctx, MSG_DEBUG, buf);
+}
+
+
+void p2p_info(struct p2p_data *p2p, const char *fmt, ...)
+{
+ va_list ap;
+ char buf[500];
+
+ if (!p2p->cfg->debug_print)
+ return;
+
+ va_start(ap, fmt);
+ vsnprintf(buf, sizeof(buf), fmt, ap);
+ buf[sizeof(buf) - 1] = '\0';
+ va_end(ap);
+ p2p->cfg->debug_print(p2p->cfg->cb_ctx, MSG_INFO, buf);
+}
+
+
+void p2p_err(struct p2p_data *p2p, const char *fmt, ...)
+{
+ va_list ap;
+ char buf[500];
+
+ if (!p2p->cfg->debug_print)
+ return;
+
+ va_start(ap, fmt);
+ vsnprintf(buf, sizeof(buf), fmt, ap);
+ buf[sizeof(buf) - 1] = '\0';
+ va_end(ap);
+ p2p->cfg->debug_print(p2p->cfg->cb_ctx, MSG_ERROR, buf);
+}
+
+
+void p2p_loop_on_known_peers(struct p2p_data *p2p,
+ void (*peer_callback)(struct p2p_peer_info *peer,
+ void *user_data),
+ void *user_data)
+{
+ struct p2p_device *dev, *n;
+
+ dl_list_for_each_safe(dev, n, &p2p->devices, struct p2p_device, list) {
+ peer_callback(&dev->info, user_data);
+ }
+}
+
+
+#ifdef CONFIG_WPS_NFC
+
+static struct wpabuf * p2p_build_nfc_handover(struct p2p_data *p2p,
+ int client_freq,
+ const u8 *go_dev_addr,
+ const u8 *ssid, size_t ssid_len)
+{
+ struct wpabuf *buf;
+ u8 op_class, channel;
+ enum p2p_role_indication role = P2P_DEVICE_NOT_IN_GROUP;
+
+ buf = wpabuf_alloc(1000);
+ if (buf == NULL)
+ return NULL;
+
+ op_class = p2p->cfg->reg_class;
+ channel = p2p->cfg->channel;
+
+ p2p_buf_add_capability(buf, p2p->dev_capab &
+ ~P2P_DEV_CAPAB_CLIENT_DISCOVERABILITY, 0);
+ p2p_buf_add_device_info(buf, p2p, NULL);
+
+ if (p2p->num_groups > 0) {
+ int freq = p2p_group_get_freq(p2p->groups[0]);
+ role = P2P_GO_IN_A_GROUP;
+ if (p2p_freq_to_channel(freq, &op_class, &channel) < 0) {
+ p2p_dbg(p2p,
+ "Unknown GO operating frequency %d MHz for NFC handover",
+ freq);
+ wpabuf_free(buf);
+ return NULL;
+ }
+ } else if (client_freq > 0) {
+ role = P2P_CLIENT_IN_A_GROUP;
+ if (p2p_freq_to_channel(client_freq, &op_class, &channel) < 0) {
+ p2p_dbg(p2p,
+ "Unknown client operating frequency %d MHz for NFC handover",
+ client_freq);
+ wpabuf_free(buf);
+ return NULL;
+ }
+ }
+
+ p2p_buf_add_oob_go_neg_channel(buf, p2p->cfg->country, op_class,
+ channel, role);
+
+ if (p2p->num_groups > 0) {
+ /* Limit number of clients to avoid very long message */
+ p2p_buf_add_group_info(p2p->groups[0], buf, 5);
+ p2p_group_buf_add_id(p2p->groups[0], buf);
+ } else if (client_freq > 0 &&
+ go_dev_addr && !is_zero_ether_addr(go_dev_addr) &&
+ ssid && ssid_len > 0) {
+ /*
+ * Add the optional P2P Group ID to indicate in which group this
+ * device is a P2P Client.
+ */
+ p2p_buf_add_group_id(buf, go_dev_addr, ssid, ssid_len);
+ }
+
+ return buf;
+}
+
+
+struct wpabuf * p2p_build_nfc_handover_req(struct p2p_data *p2p,
+ int client_freq,
+ const u8 *go_dev_addr,
+ const u8 *ssid, size_t ssid_len)
+{
+ return p2p_build_nfc_handover(p2p, client_freq, go_dev_addr, ssid,
+ ssid_len);
+}
+
+
+struct wpabuf * p2p_build_nfc_handover_sel(struct p2p_data *p2p,
+ int client_freq,
+ const u8 *go_dev_addr,
+ const u8 *ssid, size_t ssid_len)
+{
+ return p2p_build_nfc_handover(p2p, client_freq, go_dev_addr, ssid,
+ ssid_len);
+}
+
+
+int p2p_process_nfc_connection_handover(struct p2p_data *p2p,
+ struct p2p_nfc_params *params)
+{
+ struct p2p_message msg;
+ struct p2p_device *dev;
+ const u8 *p2p_dev_addr;
+ int freq;
+ enum p2p_role_indication role;
+
+ params->next_step = NO_ACTION;
+
+ if (p2p_parse_ies_separate(params->wsc_attr, params->wsc_len,
+ params->p2p_attr, params->p2p_len, &msg)) {
+ p2p_dbg(p2p, "Failed to parse WSC/P2P attributes from NFC");
+ p2p_parse_free(&msg);
+ return -1;
+ }
+
+ if (msg.p2p_device_addr)
+ p2p_dev_addr = msg.p2p_device_addr;
+ else if (msg.device_id)
+ p2p_dev_addr = msg.device_id;
+ else {
+ p2p_dbg(p2p, "Ignore scan data without P2P Device Info or P2P Device Id");
+ p2p_parse_free(&msg);
+ return -1;
+ }
+
+ if (msg.oob_dev_password) {
+ os_memcpy(params->oob_dev_pw, msg.oob_dev_password,
+ msg.oob_dev_password_len);
+ params->oob_dev_pw_len = msg.oob_dev_password_len;
+ }
+
+ dev = p2p_create_device(p2p, p2p_dev_addr);
+ if (dev == NULL) {
+ p2p_parse_free(&msg);
+ return -1;
+ }
+
+ params->peer = &dev->info;
+
+ os_get_reltime(&dev->last_seen);
+ dev->flags &= ~(P2P_DEV_PROBE_REQ_ONLY | P2P_DEV_GROUP_CLIENT_ONLY);
+ p2p_copy_wps_info(p2p, dev, 0, &msg);
+
+ if (!msg.oob_go_neg_channel) {
+ p2p_dbg(p2p, "OOB GO Negotiation Channel attribute not included");
+ p2p_parse_free(&msg);
+ return -1;
+ }
+
+ if (msg.oob_go_neg_channel[3] == 0 &&
+ msg.oob_go_neg_channel[4] == 0)
+ freq = 0;
+ else
+ freq = p2p_channel_to_freq(msg.oob_go_neg_channel[3],
+ 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];
+
+ if (role == P2P_GO_IN_A_GROUP) {
+ p2p_dbg(p2p, "Peer OOB GO operating channel: %u MHz", freq);
+ params->go_freq = freq;
+ } else if (role == P2P_CLIENT_IN_A_GROUP) {
+ p2p_dbg(p2p, "Peer (client) OOB GO operating channel: %u MHz",
+ freq);
+ params->go_freq = freq;
+ } else
+ p2p_dbg(p2p, "Peer OOB GO Neg channel: %u MHz", freq);
+ dev->oob_go_neg_freq = freq;
+
+ if (!params->sel && role != P2P_GO_IN_A_GROUP) {
+ freq = p2p_channel_to_freq(p2p->cfg->reg_class,
+ 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);
+ dev->oob_go_neg_freq = freq;
+ }
+
+ if (msg.group_id) {
+ os_memcpy(params->go_dev_addr, msg.group_id, ETH_ALEN);
+ params->go_ssid_len = msg.group_id_len - ETH_ALEN;
+ os_memcpy(params->go_ssid, msg.group_id + ETH_ALEN,
+ params->go_ssid_len);
+ }
+
+ if (dev->flags & P2P_DEV_USER_REJECTED) {
+ p2p_dbg(p2p, "Do not report rejected device");
+ p2p_parse_free(&msg);
+ return 0;
+ }
+
+ if (!(dev->flags & P2P_DEV_REPORTED)) {
+ p2p->cfg->dev_found(p2p->cfg->cb_ctx, p2p_dev_addr, &dev->info,
+ !(dev->flags & P2P_DEV_REPORTED_ONCE));
+ dev->flags |= P2P_DEV_REPORTED | P2P_DEV_REPORTED_ONCE;
+ }
+ p2p_parse_free(&msg);
+
+ if (role == P2P_GO_IN_A_GROUP && p2p->num_groups > 0)
+ params->next_step = BOTH_GO;
+ else if (role == P2P_GO_IN_A_GROUP)
+ params->next_step = JOIN_GROUP;
+ else if (role == P2P_CLIENT_IN_A_GROUP) {
+ dev->flags |= P2P_DEV_GROUP_CLIENT_ONLY;
+ params->next_step = PEER_CLIENT;
+ } else if (p2p->num_groups > 0)
+ params->next_step = AUTH_JOIN;
+ else if (params->sel)
+ params->next_step = INIT_GO_NEG;
+ else
+ params->next_step = RESP_GO_NEG;
+
+ return 0;
+}
+
+
+void p2p_set_authorized_oob_dev_pw_id(struct p2p_data *p2p, u16 dev_pw_id,
+ int go_intent,
+ const u8 *own_interface_addr)
+{
+
+ p2p->authorized_oob_dev_pw_id = dev_pw_id;
+ if (dev_pw_id == 0) {
+ p2p_dbg(p2p, "NFC OOB Password unauthorized for static handover");
+ return;
+ }
+
+ p2p_dbg(p2p, "NFC OOB Password (id=%u) authorized for static handover",
+ dev_pw_id);
+
+ p2p->go_intent = go_intent;
+ os_memcpy(p2p->intended_addr, own_interface_addr, ETH_ALEN);
+}
+
+#endif /* CONFIG_WPS_NFC */
+
+
+int p2p_set_passphrase_len(struct p2p_data *p2p, unsigned int len)
+{
+ if (len < 8 || len > 63)
+ return -1;
+ p2p->cfg->passphrase_len = len;
+ return 0;
+}
+
+
+void p2p_set_vendor_elems(struct p2p_data *p2p, struct wpabuf **vendor_elem)
+{
+ p2p->vendor_elem = vendor_elem;
+}
+
+
+void p2p_go_neg_wait_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+ struct p2p_data *p2p = eloop_ctx;
+
+ p2p_dbg(p2p,
+ "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]);
+ }
}
projects / mech_eap.git / blobdiff