Add compatibility assistant module

compat/callbacks.go

@@ -0,0 +1,36 @@
+package compat
+
+import (
+	"net"
+
+	"github.com/safing/portmaster/network/packet"
+	"github.com/safing/portmaster/process"
+)
+
+func SubmitSystemIntegrationCheckPacket(p packet.Packet) {
+	select {
+	case systemIntegrationCheckPackets <- p:
+	default:
+	}
+}
+
+func SubmitDNSCheckDomain(subdomain string) (respondWith net.IP) {
+	// Submit queried domain.
+	select {
+	case dnsCheckReceivedDomain <- subdomain:
+	default:
+	}
+
+	// Return the answer.
+	dnsCheckAnswerLock.Lock()
+	defer dnsCheckAnswerLock.Unlock()
+	return dnsCheckAnswer
+}
+
+func ReportSecureDNSBypassIssue(p *process.Process) {
+	secureDNSBypassIssue.notify(p)
+}
+
+func ReportMultiPeerUDPTunnelIssue(p *process.Process) {
+	multiPeerUDPTunnelIssue.notify(p)
+}