diff options
| -rw-r--r-- | src/plugins/ikev2/ikev2.c | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/src/plugins/ikev2/ikev2.c b/src/plugins/ikev2/ikev2.c index fe4c154e9c9..873ec136dae 100644 --- a/src/plugins/ikev2/ikev2.c +++ b/src/plugins/ikev2/ikev2.c @@ -662,7 +662,10 @@ ikev2_parse_ke_payload (const void *p, u32 rlen, ikev2_sa_t * sa, u16 plen = clib_net_to_host_u16 (ke->length); ASSERT (plen >= sizeof (*ke) && plen <= rlen); if (sizeof (*ke) > rlen) - return 0; + { + ikev2_elog_error ("KE: packet too small"); + return 0; + } sa->dh_group = clib_net_to_host_u16 (ke->dh_group); vec_reset_length (ke_data[0]); @@ -679,7 +682,10 @@ ikev2_parse_nonce_payload (const void *p, u32 rlen, const u8 **nonce) int len = plen - sizeof (*ikep); ASSERT (len >= 16 && len <= 256); if (PREDICT_FALSE (len < 16 || len > 256)) - return 0; + { + ikev2_elog_error ("NONCE: bad size"); + return 0; + } *nonce = ikep->payload; return len; } @@ -689,10 +695,16 @@ ikev2_check_payload_length (const ike_payload_header_t * ikep, int rlen, u16 * plen) { if (sizeof (*ikep) > rlen) - return 0; + { + ikev2_elog_error ("payload: packet too small"); + return 0; + } *plen = clib_net_to_host_u16 (ikep->length); if (*plen < sizeof (*ikep) || *plen > rlen) - return 0; + { + ikev2_elog_error ("payload: bad size"); + return 0; + } return 1; } @@ -719,7 +731,10 @@ ikev2_process_sa_init_req (vlib_main_t *vm, ikev2_sa_t *sa, ike_header_t *ike, vec_add (sa->last_sa_init_req_packet_data, ike, len); if (len < sizeof (*ike)) - return 0; + { + ikev2_elog_error ("IKE_INIT request too small"); + return 0; + } len -= sizeof (*ike); while (p < len && payload != IKEV2_PAYLOAD_NONE) @@ -830,7 +845,10 @@ ikev2_process_sa_init_resp (vlib_main_t * vm, vec_add (sa->last_sa_init_res_packet_data, ike, len); if (sizeof (*ike) > len) - return; + { + ikev2_elog_error ("IKE_INIT response too small"); + return; + } len -= sizeof (*ike); while (p < len && payload != IKEV2_PAYLOAD_NONE) |