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P2P: Add peer entry based on Provision Discovery Request

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Add (or complete Probe Request only) P2P peer entry when receiving
Provision Discovery Request from a previously unknown peer. This is
especially of use for a GO when a P2P client is requesting to join
a running group.
This commit is contained in:
Ardong Chen 2010-09-06 16:51:46 +03:00 committed by Jouni Malinen
parent 812bf56ab1
commit 17bef1e97a
3 changed files with 14 additions and 4 deletions
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8
src/p2p/p2p.c
View file

@ -419,10 +419,12 @@ static int p2p_add_group_clients(struct p2p_data *p2p, const u8 *go_dev_addr,
* Returns: 0 on success, -1 on failure
*
* If the scan result is for a GO, the clients in the group will also be added
* to the peer table.
* to the peer table. This function can also be used with some other frames
* like Provision Discovery Request that contains P2P Capability and P2P Device
* Info attributes.
*/
static 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, int level,
const u8 *ies, size_t ies_len)
{
struct p2p_device *dev;
struct p2p_message msg;

3
src/p2p/p2p.h
View file

@ -1235,4 +1235,7 @@ void p2p_set_cross_connect(struct p2p_data *p2p, int enabled);
int p2p_get_oper_freq(struct p2p_data *p2p, const u8 *iface_addr);
int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, int level,
const u8 *ies, size_t ies_len);
#endif /* P2P_H */

7
src/p2p/p2p_pd.c
View file

@ -105,10 +105,15 @@ void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa,
MAC2STR(sa), msg.wps_config_methods, rx_freq);
dev = p2p_get_device(p2p, sa);
if (dev == NULL) {
if (dev == NULL || !(dev->flags & P2P_DEV_PROBE_REQ_ONLY)) {
wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
"P2P: Provision Discovery Request from "
"unknown peer " MACSTR, MAC2STR(sa));
if (p2p_add_device(p2p, sa, rx_freq, 0, data + 1, len - 1)) {
wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG,
"P2P: Provision Discovery Request add device "
"failed " MACSTR, MAC2STR(sa));
}
}
if (!(msg.wps_config_methods &