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tls: respect tls record length

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bol-van
2023-12-19 13:40:28 +03:00
parent 37fa84336f
commit a33848b212
28 changed files with 381 additions and 56 deletions
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3
nfq/protocol.c
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@@ -200,7 +200,10 @@ bool TLSFindExt(const uint8_t *data, size_t len, uint16_t type, const uint8_t **
// u8 ContentType: Handshake
// u16 Version: TLS1.0
// u16 Length
size_t reclen;
if (!IsTLSClientHello(data, len, bPartialIsOK)) return false;
reclen=TLSRecordLen(data);
if (reclen<len) len=reclen; // correct len if it has more data than the first tls record has
return TLSFindExtInHandshake(data + 5, len - 5, type, ext, len_ext, bPartialIsOK);
}
static bool TLSExtractHostFromExt(const uint8_t *ext, size_t elen, char *host, size_t len_host)