diff options
Diffstat (limited to 'icmp.c')
| -rw-r--r-- | icmp.c | 12 |
1 files changed, 10 insertions, 2 deletions
@@ -43,13 +43,13 @@ /** * struct icmp_id_sock - Tracking information for single ICMP echo identifier * @sock: Bound socket for identifier - * @ts: Last associated activity from tap, seconds * @seq: Last sequence number sent to tap, host order + * @ts: Last associated activity from tap, seconds */ struct icmp_id_sock { int sock; - time_t ts; uint16_t seq; + time_t ts; }; /* Indexed by ICMP echo identifier */ @@ -168,6 +168,10 @@ int icmp_tap_handler(const struct ctx *c, int af, const void *addr, s = sock_l4(c, AF_INET, IPPROTO_ICMP, id, 0, iref.u32); if (s < 0) goto fail_sock; + if (s > SOCKET_MAX) { + close(s); + return 1; + } icmp_id_map[V4][id].sock = s; } @@ -201,6 +205,10 @@ int icmp_tap_handler(const struct ctx *c, int af, const void *addr, iref.u32); if (s < 0) goto fail_sock; + if (s > SOCKET_MAX) { + close(s); + return 1; + } icmp_id_map[V6][id].sock = s; } |