diff options
Diffstat (limited to 'libnet/src/libnet_pblock.c')
| -rw-r--r-- | libnet/src/libnet_pblock.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libnet/src/libnet_pblock.c b/libnet/src/libnet_pblock.c index 1e2f62a..3b86101 100644 --- a/libnet/src/libnet_pblock.c +++ b/libnet/src/libnet_pblock.c @@ -268,6 +268,13 @@ libnet_pblock_find(libnet_t *l, libnet_ptag_t ptag) int libnet_pblock_append(libnet_t *l, libnet_pblock_t *p, const void *buf, uint32_t len) { + if (len && !buf) + { + snprintf(l->err_buf, LIBNET_ERRBUF_SIZE, + "%s(): payload inconsistency\n", __func__); + return -1; + } + if (p->copied + len > p->b_len) { snprintf(l->err_buf, LIBNET_ERRBUF_SIZE, @@ -575,7 +582,10 @@ libnet_pblock_p2p(uint8_t type) case LIBNET_PBLOCK_ICMPV4_TS_H: return (IPPROTO_ICMP); case LIBNET_PBLOCK_ICMPV6_H: + case LIBNET_PBLOCK_ICMPV6_ECHO_H: case LIBNET_PBLOCK_ICMPV6_UNREACH_H: + case LIBNET_PBLOCK_ICMPV6_NDP_NSOL_H: + case LIBNET_PBLOCK_ICMPV6_NDP_NADV_H: return (IPPROTO_ICMPV6); case LIBNET_PBLOCK_IGMP_H: return (IPPROTO_IGMP); |