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P2PS: Fix P2PS-PROV-DONE event on GO 

If after P2PS PD the device should become a GO it sends P2PS-PROV-DONE
event which contains the GO interface name. If the GO isn't running yet
the device may use pending interface name. However, when the GO is
started, pending interface name will be removed.

Fix the GO interface name in P2PS-PROV-DONE event by copying the
interface name instead of saving the pointer.

Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
This commit is contained in:
Andrei Otcheretianski 2015-07-02 10:45:04 +03:00 committed by Jouni Malinen
parent a698d6c85f
commit 23bb9828a3
1 changed files with 16 additions and 5 deletions
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21
wpa_supplicant/p2p_supplicant.c
View File

@ -3738,16 +3738,26 @@ static void wpas_p2ps_prov_complete(void *ctx, u8 status, const u8 *dev,
}
if (conncap == P2PS_SETUP_GROUP_OWNER) {
const char *go_ifname = NULL;
/*
* We need to copy the interface name. Simply saving a
* pointer isn't enough, since if we use pending_interface_name
* it will be overwritten when the group is added.
*/
char go_ifname[100];
go_ifname[0] = '\0';
if (!go_wpa_s) {
wpa_s->global->pending_p2ps_group = 1;
if (!wpas_p2p_create_iface(wpa_s))
go_ifname = wpa_s->ifname;
os_memcpy(go_ifname, wpa_s->ifname,
sizeof(go_ifname));
else if (wpa_s->pending_interface_name[0])
go_ifname = wpa_s->pending_interface_name;
os_memcpy(go_ifname,
wpa_s->pending_interface_name,
sizeof(go_ifname));
if (!go_ifname) {
if (!go_ifname[0]) {
wpas_p2ps_prov_complete(
wpa_s, P2P_SC_FAIL_UNKNOWN_GROUP,
dev, adv_mac, ses_mac,
@ -3777,7 +3787,8 @@ static void wpas_p2ps_prov_complete(void *ctx, u8 status, const u8 *dev,
MAC2STR(dev));
}
} else if (passwd_id == DEV_PW_P2PS_DEFAULT) {
go_ifname = go_wpa_s->ifname;
os_memcpy(go_ifname, go_wpa_s->ifname,
sizeof(go_ifname));
wpa_dbg(go_wpa_s, MSG_DEBUG,
"P2P: Setting PIN-1 For " MACSTR, MAC2STR(dev));