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rewrite fix for ip6hdr dereference

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[anp/hsw] 2024-08-17 21:33:34 +07:00
parent 8a603f0b25
commit 9698c6b782
1 changed files with 4 additions and 7 deletions
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11
nfq/desync.c
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@ -1237,13 +1237,10 @@ static uint8_t dpi_desync_udp_packet_play(bool replay, size_t reasm_offset, uint
uint32_t desync_fwmark = fwmark | params.desync_fwmark;
if (ip6hdr) {
ttl_orig = ip ? ip->ip_ttl : ip6hdr->ip6_ctlun.ip6_un1.ip6_un1_hlim;
ttl_fake = params.desync_ttl6 ? params.desync_ttl6 : ttl_orig;
} else {
ttl_orig = ip ? ip->ip_ttl : 0;
ttl_fake = params.desync_ttl ? params.desync_ttl : ttl_orig;
}
ttl_orig = ip ? ip->ip_ttl : (ip6hdr ? ip6hdr->ip6_ctlun.ip6_un1.ip6_un1_hlim : 0);
if (ip6hdr) ttl_fake = params.desync_ttl6 ? params.desync_ttl6 : ttl_orig;
else ttl_fake = params.desync_ttl ? params.desync_ttl : ttl_orig;
extract_endpoints(ip, ip6hdr, NULL, udphdr, &src, &dst);
if (len_payload)