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WPS 2.0: Ignore WEP Credentials as station Enrollee

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Ignore Credential if it is for a WEP network. Reject the message if
no valid Credential is found.
This commit is contained in:
Jouni Malinen 2010-05-29 22:19:33 +03:00 committed by Jouni Malinen
parent 6be2d7f826
commit ed1c1ebfb4
1 changed files with 27 additions and 1 deletions
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28
src/wps/wps_enrollee.c
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@ -698,6 +698,19 @@ static int wps_process_cred_e(struct wps_data *wps, const u8 *cred,
#endif /* CONFIG_WPS_STRICT */ #endif /* CONFIG_WPS_STRICT */
} }
if (!(wps->cred.encr_type &
(WPS_ENCR_NONE | WPS_ENCR_TKIP | WPS_ENCR_AES))) {
if (wps->cred.encr_type & WPS_ENCR_WEP) {
wpa_printf(MSG_INFO, "WPS: Reject Credential "
"due to WEP configuration");
return -2;
}
wpa_printf(MSG_INFO, "WPS: Reject Credential due to "
"invalid encr_type 0x%x", wps->cred.encr_type);
return -1;
}
if (wps->wps->cred_cb) { if (wps->wps->cred_cb) {
wps->cred.cred_attr = cred - 4; wps->cred.cred_attr = cred - 4;
wps->cred.cred_attr_len = cred_len + 4; wps->cred.cred_attr_len = cred_len + 4;
@ -714,6 +727,7 @@ static int wps_process_creds(struct wps_data *wps, const u8 *cred[],
size_t cred_len[], size_t num_cred, int wps2) size_t cred_len[], size_t num_cred, int wps2)
{ {
size_t i; size_t i;
int ok = 0;
if (wps->wps->ap) if (wps->wps->ap)
return 0; return 0;
@ -725,10 +739,22 @@ static int wps_process_creds(struct wps_data *wps, const u8 *cred[],
} }
for (i = 0; i < num_cred; i++) { for (i = 0; i < num_cred; i++) {
if (wps_process_cred_e(wps, cred[i], cred_len[i], wps2)) int res;
res = wps_process_cred_e(wps, cred[i], cred_len[i], wps2);
if (res == 0)
ok++;
else if (res == -2)
wpa_printf(MSG_DEBUG, "WPS: WEP credential skipped");
else
return -1; return -1;
} }
if (ok == 0) {
wpa_printf(MSG_DEBUG, "WPS: No valid Credential attribute "
"received");
return -1;
}
return 0; return 0;
} }