From 084c194da332577d892c866ae41f323c3dd46207 Mon Sep 17 00:00:00 2001
From: Daniel <dhaavi@users.noreply.github.com>
Date: Wed, 22 Jul 2020 11:13:57 +0200
Subject: [PATCH] Enable building on unsupported systems

---
 ...nment_darwin.go => environment_default.go} |  2 +
 network/state/system_default.go               | 43 +++++++++++++++++++
 process/process_default.go                    | 28 ++++++++++++
 process/process_linux.go                      |  2 +-
 4 files changed, 74 insertions(+), 1 deletion(-)
 rename netenv/{environment_darwin.go => environment_default.go} (96%)
 create mode 100644 network/state/system_default.go
 create mode 100644 process/process_default.go

diff --git a/netenv/environment_darwin.go b/netenv/environment_default.go
similarity index 96%
rename from netenv/environment_darwin.go
rename to netenv/environment_default.go
index b9f7c0da..f4312c2f 100644
--- a/netenv/environment_darwin.go
+++ b/netenv/environment_default.go
@@ -1,3 +1,5 @@
+//+build !windows,!linux
+
 package netenv
 
 import "net"
diff --git a/network/state/system_default.go b/network/state/system_default.go
new file mode 100644
index 00000000..64cff2fb
--- /dev/null
+++ b/network/state/system_default.go
@@ -0,0 +1,43 @@
+// +build !windows,!linux
+
+package state
+
+import (
+	"time"
+
+	"github.com/safing/portbase/config"
+	"github.com/safing/portmaster/network/socket"
+)
+
+func init() {
+	// This increases performance on unsupported system.
+	// It's not critical at all and does not break anything if it fails.
+	go func() {
+		// Wait for one minute before we set the default value, as we
+		// currently cannot easily integrate into the startup procedure.
+		time.Sleep(1 * time.Minute)
+
+		// We cannot use process.CfgOptionEnableProcessDetectionKey, because of an import loop.
+		config.SetDefaultConfigOption("core/enableProcessDetection", false)
+	}()
+}
+
+func getTCP4Table() (connections []*socket.ConnectionInfo, listeners []*socket.BindInfo, err error) {
+	return nil, nil, nil
+}
+
+func getTCP6Table() (connections []*socket.ConnectionInfo, listeners []*socket.BindInfo, err error) {
+	return nil, nil, nil
+}
+
+func getUDP4Table() (binds []*socket.BindInfo, err error) {
+	return nil, nil
+}
+
+func getUDP6Table() (binds []*socket.BindInfo, err error) {
+	return nil, nil
+}
+
+func checkPID(socketInfo socket.Info, connInbound bool) (pid int, inbound bool, err error) {
+	return socketInfo.GetPID(), connInbound, nil
+}
diff --git a/process/process_default.go b/process/process_default.go
new file mode 100644
index 00000000..48f32cd0
--- /dev/null
+++ b/process/process_default.go
@@ -0,0 +1,28 @@
+//+build !windows,!linux
+
+package process
+
+// IsUser returns whether the process is run by a normal user.
+func (p *Process) IsUser() bool {
+	return true
+}
+
+// IsAdmin returns whether the process is run by an admin user.
+func (p *Process) IsAdmin() bool {
+	return false
+}
+
+// IsSystem returns whether the process is run by the operating system.
+func (p *Process) IsSystem() bool {
+	return false
+}
+
+// IsKernel returns whether the process is the Kernel.
+func (p *Process) IsKernel() bool {
+	return p.Pid == 0
+}
+
+// specialOSInit does special OS specific Process initialization.
+func (p *Process) specialOSInit() {
+
+}
diff --git a/process/process_linux.go b/process/process_linux.go
index 44a21098..a4702588 100644
--- a/process/process_linux.go
+++ b/process/process_linux.go
@@ -7,7 +7,7 @@ func (p *Process) IsUser() bool {
 
 // IsAdmin returns whether the process is run by an admin user.
 func (p *Process) IsAdmin() bool {
-	return p.UserID >= 0
+	return p.UserID >= 0 && p.UserID < 1000
 }
 
 // IsSystem returns whether the process is run by the operating system.