diff options
Diffstat (limited to 'icmp.c')
| -rw-r--r-- | icmp.c | 12 |
1 files changed, 6 insertions, 6 deletions
@@ -224,8 +224,8 @@ int icmp_tap_handler(const struct ctx *c, uint8_t pif, sa_family_t af, union sockaddr_inany sa = { .sa_family = af }; const socklen_t sl = af == AF_INET ? sizeof(sa.sa4) : sizeof(sa.sa6); struct icmp_ping_flow *pingf, **id_sock; + size_t dlen, l4len; uint16_t id, seq; - size_t plen; void *pkt; (void)saddr; @@ -234,11 +234,11 @@ int icmp_tap_handler(const struct ctx *c, uint8_t pif, sa_family_t af, if (af == AF_INET) { const struct icmphdr *ih; - if (!(pkt = packet_get(p, 0, 0, sizeof(*ih), &plen))) + if (!(pkt = packet_get(p, 0, 0, sizeof(*ih), &dlen))) return 1; ih = (struct icmphdr *)pkt; - plen += sizeof(*ih); + l4len = dlen + sizeof(*ih); if (ih->type != ICMP_ECHO) return 1; @@ -250,11 +250,11 @@ int icmp_tap_handler(const struct ctx *c, uint8_t pif, sa_family_t af, } else if (af == AF_INET6) { const struct icmp6hdr *ih; - if (!(pkt = packet_get(p, 0, 0, sizeof(*ih), &plen))) + if (!(pkt = packet_get(p, 0, 0, sizeof(*ih), &dlen))) return 1; ih = (struct icmp6hdr *)pkt; - plen += sizeof(*ih); + l4len = dlen + sizeof(*ih); if (ih->icmp6_type != ICMPV6_ECHO_REQUEST) return 1; @@ -274,7 +274,7 @@ int icmp_tap_handler(const struct ctx *c, uint8_t pif, sa_family_t af, pingf->ts = now->tv_sec; - if (sendto(pingf->sock, pkt, plen, MSG_NOSIGNAL, &sa.sa, sl) < 0) { + if (sendto(pingf->sock, pkt, l4len, MSG_NOSIGNAL, &sa.sa, sl) < 0) { flow_dbg(pingf, "failed to relay request to socket: %s", strerror(errno)); } else { |