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WPS: Fix copying of UUID from the first interface

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Use the first interface (last in the list), not the last added
interface. In addition, use the same routine to set the UUID
after reconfiguration.
This commit is contained in:
Jouni Malinen 2011-03-17 18:07:00 +02:00 committed by Jouni Malinen
parent f2b3c6bc9c
commit 85a821d611
1 changed files with 30 additions and 25 deletions
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55
wpa_supplicant/wps_supplicant.c
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@ -1063,6 +1063,33 @@ static u16 wps_fix_config_methods(u16 config_methods)
}
static void wpas_wps_set_uuid(struct wpa_supplicant *wpa_s,
struct wps_context *wps)
{
wpa_printf(MSG_DEBUG, "WPS: Set UUID for interface %s", wpa_s->ifname);
if (is_nil_uuid(wpa_s->conf->uuid)) {
struct wpa_supplicant *first;
first = wpa_s->global->ifaces;
while (first && first->next)
first = first->next;
if (first && first != wpa_s) {
os_memcpy(wps->uuid, wpa_s->global->ifaces->wps->uuid,
WPS_UUID_LEN);
wpa_hexdump(MSG_DEBUG, "WPS: UUID from the first "
"interface", wps->uuid, WPS_UUID_LEN);
} else {
uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid);
wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC "
"address", wps->uuid, WPS_UUID_LEN);
}
} else {
os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
wpa_hexdump(MSG_DEBUG, "WPS: UUID based on configuration",
wps->uuid, WPS_UUID_LEN);
}
}
int wpas_wps_init(struct wpa_supplicant *wpa_s)
{
struct wps_context *wps;
@ -1118,23 +1145,7 @@ int wpas_wps_init(struct wpa_supplicant *wpa_s)
wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ; /* TODO: config */
os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN);
wpa_printf(MSG_DEBUG, "WPS: Set UUID for interface %s", wpa_s->ifname);
if (is_nil_uuid(wpa_s->conf->uuid)) {
if (wpa_s->global->ifaces && wpa_s->global->ifaces != wpa_s) {
os_memcpy(wps->uuid, wpa_s->global->ifaces->wps->uuid,
WPS_UUID_LEN);
wpa_hexdump(MSG_DEBUG, "WPS: UUID from the first "
"interface", wps->uuid, WPS_UUID_LEN);
} else {
uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid);
wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC "
"address", wps->uuid, WPS_UUID_LEN);
}
} else {
os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
wpa_hexdump(MSG_DEBUG, "WPS: UUID based on configuration",
wps->uuid, WPS_UUID_LEN);
}
wpas_wps_set_uuid(wpa_s, wps);
wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK;
wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP;
@ -1686,14 +1697,8 @@ void wpas_wps_update_config(struct wpa_supplicant *wpa_s)
if (wpa_s->conf->changed_parameters & CFG_CHANGED_OS_VERSION)
wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID) {
if (is_nil_uuid(wpa_s->conf->uuid)) {
uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid);
wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC "
"address", wps->uuid, WPS_UUID_LEN);
} else
os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
}
if (wpa_s->conf->changed_parameters & CFG_CHANGED_UUID)
wpas_wps_set_uuid(wpa_s, wps);
if (wpa_s->conf->changed_parameters &
(CFG_CHANGED_DEVICE_NAME | CFG_CHANGED_WPS_STRING)) {