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nfqws: ipv6 ah header length is in 32-bit words, not 64-bit

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bol-van
2025-11-08 20:46:09 +03:00
parent caa364e0ed
commit 9b47b21918
1 changed files with 5 additions and 1 deletions
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6
nfq/darkmagic.c
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@@ -936,7 +936,6 @@ void proto_skip_ipv6(uint8_t **data, size_t *len, uint8_t *proto_type, uint8_t *
{
case 0: // Hop-by-Hop Options
case 43: // routing
case 51: // authentication
case 60: // Destination Options
case 135: // mobility
case 139: // Host Identity Protocol Version v2
@@ -947,6 +946,11 @@ void proto_skip_ipv6(uint8_t **data, size_t *len, uint8_t *proto_type, uint8_t *
case 44: // fragment. length fixed to 8, hdrlen field defined as reserved
hdrlen = 8;
break;
case 51: // authentication
// special case. length in ah header is in 32-bit words minus 2
if (*len < 2) return; // error
hdrlen = 8 + ((*data)[1] << 2);
break;
case 59: // no next header
return; // error
default: