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更改IP SPOOFING中IPv6笔误，tcphdr和udphdr按照IPv4方式获取导致段错误

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liuyang
2019-04-18 09:08:59 +08:00
parent 473b7e63b3
commit a89a1cd614
1 changed files with 4 additions and 2 deletions
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6
kni_redirect.c
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@@ -82,13 +82,15 @@ int redirect_search_htable(unsigned char addr_type,struct kni_pme_info* pmeinfo,
if(protocol==PROTO_TYPE_TCP)
{
tcphdr=(struct kni_tcp_hdr*)((char*)ipv4_hdr+4*(ipv4_hdr->ip_hl));
// tcphdr=(struct kni_tcp_hdr*)((char*)ipv4_hdr+4*(ipv4_hdr->ip_hl));
tcphdr =(struct kni_tcp_hdr*)( (unsigned char*)ipv6_hdr + sizeof(struct kni_ipv6_hdr));
htable_key_v6.source=tcphdr->th_sport;
htable_key_v6.dest=tcphdr->th_dport;
}
else if(protocol == PROTO_TYPE_UDP)
{
udphdr=(struct kni_udp_hdr*)((char*)ipv4_hdr+4*(ipv4_hdr->ip_hl));
// udphdr=(struct kni_udp_hdr*)((char*)ipv4_hdr+4*(ipv4_hdr->ip_hl));
udphdr==(struct kni_tcp_hdr*)( (unsigned char*)ipv6_hdr + sizeof(struct kni_ipv6_hdr));
htable_key_v6.source=udphdr->uh_sport;
htable_key_v6.dest=udphdr->uh_dport;
}