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hlr_auc_gw: Return FAILURE if IMSI for AKA is not known

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Instead of no response, send a FAILURE response as AKA-RESP-AUTH if the
requested IMSI is not known.

Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2012-08-19 22:08:23 +03:00
parent c13f0a3e00
commit e43bd7a1b7
1 changed files with 10 additions and 1 deletions
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11
hostapd/hlr_auc_gw.c
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@ -577,6 +577,7 @@ static void aka_req_auth(int s, struct sockaddr_un *from, socklen_t fromlen,
size_t res_len;
int ret;
struct milenage_parameters *m;
int failed = 0;
m = get_milenage(imsi);
if (m) {
@ -601,7 +602,7 @@ static void aka_req_auth(int s, struct sockaddr_un *from, socklen_t fromlen,
memset(res, '2', EAP_AKA_RES_MAX_LEN);
res_len = EAP_AKA_RES_MAX_LEN;
#else /* AKA_USE_FIXED_TEST_VALUES */
return;
failed = 1;
#endif /* AKA_USE_FIXED_TEST_VALUES */
}
@ -611,6 +612,13 @@ static void aka_req_auth(int s, struct sockaddr_un *from, socklen_t fromlen,
if (ret < 0 || ret >= end - pos)
return;
pos += ret;
if (failed) {
ret = snprintf(pos, end - pos, "FAILURE");
if (ret < 0 || ret >= end - pos)
return;
pos += ret;
goto done;
}
pos += wpa_snprintf_hex(pos, end - pos, _rand, EAP_AKA_RAND_LEN);
*pos++ = ' ';
pos += wpa_snprintf_hex(pos, end - pos, autn, EAP_AKA_AUTN_LEN);
@ -621,6 +629,7 @@ static void aka_req_auth(int s, struct sockaddr_un *from, socklen_t fromlen,
*pos++ = ' ';
pos += wpa_snprintf_hex(pos, end - pos, res, res_len);
done:
printf("Send: %s\n", reply);
if (sendto(s, reply, pos - reply, 0, (struct sockaddr *) from,