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Add check for unknown process

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Patrick Pacher 2020-04-14 16:54:15 +02:00
parent 39e5c882a3
commit 78d38a194d
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GPG key ID: E8CD2DA160925A6D
1 changed files with 12 additions and 0 deletions
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12
nameserver/nameserver.go
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@ -176,6 +176,18 @@ func handleRequest(ctx context.Context, w dns.ResponseWriter, query *dns.Msg) er
// get connection
conn := network.NewConnectionFromDNSRequest(ctx, q.FQDN, remoteAddr.IP, uint16(remoteAddr.Port))
if conn.Process() == nil {
tracer.Infof("nameserver: failed to find process for request %s, returning NXDOMAIN", conn)
returnNXDomain(w, query)
return nil
}
if conn.Process().Profile() == nil {
tracer.Infof("nameserver: process %s does not have a profile associated, returning NXDOMAIN", conn.Process())
returnNXDomain(w, query)
return nil
}
// save security level to query
q.SecurityLevel = conn.Process().Profile().SecurityLevel()