Add support for network service

process/find.go

@@ -2,11 +2,14 @@ package process
 
 import (
 	"context"
-
-	"github.com/safing/portmaster/network/state"
+	"fmt"
+	"net"
+	"time"
 
 	"github.com/safing/portbase/log"
 	"github.com/safing/portmaster/network/packet"
+	"github.com/safing/portmaster/network/state"
+	"github.com/safing/portmaster/profile"
 )
 
 // GetProcessByConnection returns the process that owns the described connection.
@@ -41,3 +44,39 @@ func GetProcessByConnection(ctx context.Context, pktInfo *packet.Info) (process
 
 	return process, connInbound, nil
 }
+
+func GetNetworkHost(ctx context.Context, remoteIP net.IP) (process *Process, err error) {
+	now := time.Now().Unix()
+	networkHost := &Process{
+		Name:      fmt.Sprintf("Network Host %s", remoteIP),
+		UserName:  "Unknown",
+		UserID:    -255,
+		Pid:       -255,
+		ParentPid: -255,
+		Path:      fmt.Sprintf("net:%s", remoteIP),
+		FirstSeen: now,
+		LastSeen:  now,
+	}
+
+	// Get the (linked) local profile.
+	networkHostProfile, err := profile.GetNetworkHostProfile(remoteIP.String())
+	if err != nil {
+		return nil, err
+	}
+
+	// Assign profile to process.
+	networkHost.LocalProfileKey = networkHostProfile.Key()
+	networkHost.profile = networkHostProfile.LayeredProfile()
+
+	if networkHostProfile.Name == "" {
+		// Assign name and save.
+		networkHostProfile.Name = networkHost.Name
+
+		err := networkHostProfile.Save()
+		if err != nil {
+			log.Warningf("process: failed to save profile %s: %s", networkHostProfile.ScopedID(), err)
+		}
+	}
+
+	return networkHost, nil
+}

process/profile.go

@@ -2,11 +2,16 @@ package process
 
 import (
 	"context"
+	"os"
 
 	"github.com/safing/portbase/log"
 	"github.com/safing/portmaster/profile"
 )
 
+var (
+	ownPID = os.Getpid()
+)
+
 // GetProfile finds and assigns a profile set to the process.
 func (p *Process) GetProfile(ctx context.Context) (changed bool, err error) {
 	// Update profile metadata outside of *Process lock.
@@ -31,6 +36,8 @@ func (p *Process) GetProfile(ctx context.Context) (changed bool, err error) {
 		profileID = profile.UnidentifiedProfileID
 	case SystemProcessID:
 		profileID = profile.SystemProfileID
+	case ownPID:
+		profileID = profile.PortmasterProfileID
 	}
 
 	// Get the (linked) local profile.
@@ -56,7 +63,7 @@ func (p *Process) UpdateProfileMetadata() {
 	}
 
 	// Update metadata of profile.
-	metadataUpdated := localProfile.UpdateMetadata(p.Name)
+	metadataUpdated := localProfile.UpdateMetadata(p.Name, p.Path)
 
 	// Mark profile as used.
 	profileChanged := localProfile.MarkUsed()