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WPS: Reject station-mode WPS operations when AP mode is enabled 

Start of station-mode WPS PBC/PIN/Registrar/NFC operation would result
in the AP mode getting disabled. This can be particularly confusing for
the P2P GO case where the group would need to be stopped cleanly. As
such, it is better to reject these invalid operations rather than trying
to handle all corner cases needed to allow this to work robustly.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2015-01-02 17:09:38 +02:00
parent f47a562c73
commit bd47d68035
1 changed files with 22 additions and 0 deletions
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22
wpa_supplicant/wps_supplicant.c
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@ -1091,6 +1091,14 @@ int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
int p2p_group)
{
struct wpa_ssid *ssid;
#ifdef CONFIG_AP
if (wpa_s->ap_iface) {
wpa_printf(MSG_DEBUG,
"WPS: Reject request to start Registrar(as station) operation while AP mode is enabled");
return -1;
}
#endif /* CONFIG_AP */
wpas_clear_wps(wpa_s);
ssid = wpas_wps_add_network(wpa_s, 0, NULL, bssid);
if (ssid == NULL)
@ -1131,6 +1139,13 @@ static int wpas_wps_start_dev_pw(struct wpa_supplicant *wpa_s,
unsigned int rpin = 0;
char hash[2 * WPS_OOB_PUBKEY_HASH_LEN + 10];
#ifdef CONFIG_AP
if (wpa_s->ap_iface) {
wpa_printf(MSG_DEBUG,
"WPS: Reject request to start Registrar(as station) operation while AP mode is enabled");
return -1;
}
#endif /* CONFIG_AP */
wpas_clear_wps(wpa_s);
if (bssid && is_zero_ether_addr(bssid))
bssid = NULL;
@ -1244,6 +1259,13 @@ int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid,
char *pos, *end;
int res;
#ifdef CONFIG_AP
if (wpa_s->ap_iface) {
wpa_printf(MSG_DEBUG,
"WPS: Reject request to start Registrar(as station) operation while AP mode is enabled");
return -1;
}
#endif /* CONFIG_AP */
if (!pin)
return -1;
wpas_clear_wps(wpa_s);