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Reduce the exception noise with queries that we dont parse correctly

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This commit is contained in:
Deon George
2023-10-03 20:58:23 +11:00
parent 2a50a1d795
commit 073d95f605
3 changed files with 14 additions and 6 deletions
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6
app/Classes/Protocol/DNS/Query.php
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@@ -50,7 +50,7 @@ final class Query
$this->labels = collect();
while (($len=ord(substr($this->buf,$rx_ptr++,1))) !== 0x00) {
$this->labels->push(substr($this->buf,$rx_ptr,$len));
$this->labels->push(strtolower(substr($this->buf,$rx_ptr,$len)));
$rx_ptr += $len;
}
@@ -74,8 +74,8 @@ final class Query
if ($this->arcount) {
// Additional records, EDNS: https://datatracker.ietf.org/doc/html/rfc6891
if (($haystack = strstr(substr($this->buf,$rx_ptr+1+10),"\x00",true)) !== FALSE) {
Log::error(sprintf('%s:! DNS additional record format error?',self::LOGKEY));
// @todo catch this
Log::error(sprintf('%s:! DNS additional record format error?',self::LOGKEY),['buf'=>hex_dump($this->buf)]);
return;
}
$this->additional = new RR(substr($this->buf,$rx_ptr,(strlen($haystack) === 0) ? NULL : strlen($haystack)));