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P2P: Show persistent group info on P2P_PEER data

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Add "persistent=<network id>" line to P2P_PEER ctrl_iface data
if a persistent group credentials are available for this peer.
This makes it easier for external programs to figure out when
a persistent group could be re-invoked with this peer.

For now, this information is only available on the P2P client,
but similar information can be added for GO once a list of P2P
clients is maintained with the persistent group data.

Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2011-12-22 21:45:20 +02:00
parent b3ffc80b8c
commit 87f841a140
3 changed files with 27 additions and 1 deletions
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11
wpa_supplicant/ctrl_iface.c
View file

@ -2989,6 +2989,7 @@ static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
const struct p2p_peer_info *info;
char *pos, *end;
char devtype[WPS_DEV_TYPE_BUFSIZE];
struct wpa_ssid *ssid;
if (!wpa_s->global->p2p)
return -1;
@ -3042,9 +3043,17 @@ static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
return pos - buf;
pos += res;
ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr);
if (ssid) {
res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
if (res < 0 || res >= end - pos)
return pos - buf;
pos += res;
}
res = p2p_get_peer_info_txt(info, pos, end - pos);
if (res < 0)
return -1;
return pos - buf;
pos += res;
return pos - buf;

15
wpa_supplicant/p2p_supplicant.c
View file

@ -4260,3 +4260,18 @@ void wpas_p2p_network_removed(struct wpa_supplicant *wpa_s,
wpas_p2p_group_formation_timeout(wpa_s->parent, NULL);
}
}
struct wpa_ssid * wpas_p2p_get_persistent(struct wpa_supplicant *wpa_s,
const u8 *addr)
{
struct wpa_ssid *s;
for (s = wpa_s->conf->ssid; s; s = s->next) {
if (s->disabled == 2 &&
os_memcmp(s->bssid, addr, ETH_ALEN) == 0)
return s;
}
return NULL;
}

2
wpa_supplicant/p2p_supplicant.h
View file

@ -131,5 +131,7 @@ void wpas_p2p_wps_failed(struct wpa_supplicant *wpa_s,
int wpas_p2p_in_progress(struct wpa_supplicant *wpa_s);
void wpas_p2p_network_removed(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid);
struct wpa_ssid * wpas_p2p_get_persistent(struct wpa_supplicant *wpa_s,
const u8 *addr);
#endif /* P2P_SUPPLICANT_H */