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Dump.c Fix IPv6 checksum on big-endian.

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This commit is contained in:
Simon Kelley
2022-01-30 00:42:46 +00:00
parent ed200fa001
commit dbceeb4178
1 changed files with 3 additions and 3 deletions
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6
src/dump.c
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@@ -147,8 +147,8 @@ void dump_packet(int mask, void *packet, size_t len,
/* start UDP checksum */ /* start UDP checksum */
for (sum = 0, i = 0; i < IN6ADDRSZ; i+=2) for (sum = 0, i = 0; i < IN6ADDRSZ; i+=2)
{ {
sum += ip6.ip6_src.s6_addr[i] + (ip6.ip6_src.s6_addr[i+1] << 8) ; sum += ntohs((ip6.ip6_src.s6_addr[i] << 8) + (ip6.ip6_src.s6_addr[i+1])) ;
sum += ip6.ip6_dst.s6_addr[i] + (ip6.ip6_dst.s6_addr[i+1] << 8) ; sum += ntohs((ip6.ip6_dst.s6_addr[i] << 8) + (ip6.ip6_dst.s6_addr[i+1])) ;
} }
} }
else else
@@ -207,7 +207,7 @@ void dump_packet(int mask, void *packet, size_t len,
struct icmp6_hdr *icmp = packet; struct icmp6_hdr *icmp = packet;
/* See comment in UDP code below. */ /* See comment in UDP code below. */
sum += htons(family == AF_INET6 ? IPPROTO_ICMPV6 : IPPROTO_ICMP); sum += htons((family == AF_INET6) ? IPPROTO_ICMPV6 : IPPROTO_ICMP);
sum += htons(len); sum += htons(len);
icmp->icmp6_cksum = 0; icmp->icmp6_cksum = 0;