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nfqws: relax stun detector

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bol-van
2026-02-24 10:13:53 +03:00
parent a08a358342
commit f0b0d89f02
1 changed files with 3 additions and 3 deletions
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6
nfq/protocol.c
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@@ -1017,7 +1017,7 @@ bool IsStunMessage(const uint8_t *data, size_t len)
{
return len>=20 && // header size
(data[0]&0xC0)==0 && // 2 most significant bits must be zeroes
(data[3]&0b11)==0 && // length must be a multiple of 4
ntohl(*(uint32_t*)(&data[4]))==0x2112A442 && // magic cookie
ntohs(*(uint16_t*)(&data[2]))==len-20;
(data[3]&3)==0 && // length must be a multiple of 4
pntoh32(data+4)==0x2112A442 && // magic cookie
pntoh16(data+2)<=(len-20);
}