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Add an extra byte to the padded length

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Fixes resolution of livegorouter.trafficmanager.net via Cisco
This commit is contained in:
Frank Denis 2019-11-18 12:50:19 +01:00
parent 925c12d334
commit 230a66ea73
1 changed files with 1 additions and 1 deletions
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2
dnscrypt-proxy/crypto.go
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@ -88,7 +88,7 @@ func (proxy *Proxy) Encrypt(serverInfo *ServerInfo, packet []byte, proto string)
minQuestionSize += int(xpad[0])
}
}
paddedLength := Min(MaxDNSUDPPacketSize, (Max(minQuestionSize, QueryOverhead)+63) & ^63)
paddedLength := Min(MaxDNSUDPPacketSize, (Max(minQuestionSize, QueryOverhead)+1+63) & ^63)
if serverInfo.RelayUDPAddr != nil && proto == "tcp" {
// XXX - Note: Cisco's broken implementation doesn't accept more than 1472 bytes
paddedLength = MaxDNSPacketSize