Ruakij/RoutingTableToWg
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Ruakij
2026-10-20 15:09:00 +00:00
parent acfd556452
commit 08c871f84b
6 changed files with 67 additions and 67 deletions
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cmd/app/logger.go
+1
View File
@@ -10,6 +10,7 @@ type Log struct {
Warn log.Logger
Error log.Logger
}
var logger Log = Log{
Info: *log.New(os.Stdout, "[INFO]\t", log.Ltime|log.Lshortfile),
Warn: *log.New(os.Stderr, "[WARN]\t", log.Ltime|log.Lshortfile),
cmd/app/main.go
+8 -8
View File
@@ -33,7 +33,7 @@ var envDefaults = map[string]string{
func main() {
// Environment-vars
err := envChecks.HandleRequired(envRequired)
if(err != nil){
if err != nil {
logger.Error.Fatal(err)
}
envChecks.HandleDefaults(envDefaults)
@@ -88,7 +88,6 @@ func main() {
logger.Error.Fatalf("Couldn't get wg-interface '%s': %s", iface, err)
}
// Subscribe to route-change events
routeSubChan, routeSubDoneChan := make(chan netlink.RouteUpdate), make(chan struct{})
@@ -105,7 +104,7 @@ func main() {
logger.Info.Printf("Initially setting all current routes")
syncCurrentRoutesToHandler(routeSubChan, routeList)
if(periodicSync > 0){
if periodicSync > 0 {
go runPeriodicSync(periodicSync, link, routeSubChan)
}
@@ -132,7 +131,7 @@ func syncCurrentRoutesToHandler(routeSubChan chan netlink.RouteUpdate, routeList
for _, route := range routeList {
// Ignore routes with empty gateway
if(route.Gw == nil){
if route.Gw == nil {
continue
}
@@ -148,6 +147,7 @@ var routeUpdateTypeMapFromId = map[uint16]string{
unix.RTM_NEWROUTE: "+",
unix.RTM_DELROUTE: "-",
}
// TODO: Add proxy to apply filter in channels rather than.. this mess
func handleRouteEvents(routeSubChan <-chan netlink.RouteUpdate, filterOptions FilterOptions, iface string) {
// Create wg-client
@@ -162,7 +162,7 @@ func handleRouteEvents(routeSubChan <-chan netlink.RouteUpdate, filterOptions Fi
route := routeUpdate.Route
// Check filter
if(!CheckFilter(filterOptions, routeUpdate.Route)){
if !CheckFilter(filterOptions, routeUpdate.Route) {
continue
}
@@ -208,7 +208,7 @@ func handleRouteEvents(routeSubChan <-chan netlink.RouteUpdate, filterOptions Fi
// Get peer containing gateway-addr
peer, err := wgChecks.PeerByIP(&wgDevice.Peers, &route.Gw)
if(err != nil){
if err != nil {
logger.Warn.Printf("No peer found containing gw-IP '%s', ignoring", route.Gw)
continue
}
@@ -224,7 +224,7 @@ func handleRouteEvents(routeSubChan <-chan netlink.RouteUpdate, filterOptions Fi
case unix.RTM_DELROUTE:
// Get peer containing dst-NetIP
peerIndex, ipNetIndex, err := wgChecks.PeerIndexByIPNet(&wgDevice.Peers, route.Dst)
if(err != nil){
if err != nil {
logger.Warn.Printf("No peer found having dst-IPNet '%s', ignoring", route.Dst)
continue
}
@@ -247,7 +247,7 @@ func handleRouteEvents(routeSubChan <-chan netlink.RouteUpdate, filterOptions Fi
}
err = client.ConfigureDevice(iface, wgConfig)
if(err != nil){
if err != nil {
logger.Error.Fatalf("Error configuring wg-device '%s': %s", iface, err)
}
}
lib/environmentchecks/environmentchecks.go
+3 -3
View File
@@ -1,15 +1,15 @@
package environmentchecks
import (
"os"
"fmt"
"os"
)
func HandleDefaults(envDefaults map[string]string) {
for env, defaultValue := range envDefaults {
// Check if env is set
_, isSet := os.LookupEnv(env)
if(!isSet){
if !isSet {
os.Setenv(env, defaultValue)
}
}
@@ -19,7 +19,7 @@ func HandleRequired(envRequired []string) error {
for _, env := range envRequired {
// Check if env is set
_, isSet := os.LookupEnv(env)
if(!isSet){
if !isSet {
return fmt.Errorf("env '%s' required, but not set", env)
}
}
lib/iproute2mapping/mapping.go
+13 -13
View File
@@ -1,11 +1,11 @@
package iproute2mapping
import (
"os"
"bufio"
"strings"
"strconv"
"fmt"
"os"
"strconv"
"strings"
)
// Storage for mapping
@@ -25,24 +25,24 @@ var filePaths = map[int]string{
}
// Export error-check
var Errors []error;
var Errors []error
func init() {
var err error
for mapType, filePath := range filePaths {
ByName[mapType], ById[mapType], err = readFromFile(filePath)
if(err != nil){
if err != nil {
Errors = append(Errors,
fmt.Errorf("failed reading mapping-file '%s': %s", filePath, err),
);
)
}
}
}
func readFromFile(filePath string) (mapByName map[string]int, mapById map[int]string, err error) {
file, err := os.Open(filePath)
if(err != nil){
return nil, nil, err;
if err != nil {
return nil, nil, err
}
defer file.Close()
@@ -55,12 +55,12 @@ func readFromFile(filePath string) (mapByName map[string]int, mapById map[int]st
// Go through file line-by-line
for scanner.Scan() {
text := scanner.Text()
if(text == "" || strings.HasPrefix(text, "#")){
if text == "" || strings.HasPrefix(text, "#") {
continue
}
id, name, err := getMappingFromText(text)
if(err != nil){
if err != nil {
// Only warn as we can continue processing the file
Errors = append(Errors,
fmt.Errorf("mappig-data invalid '%s': %s", text, err),
@@ -80,7 +80,7 @@ func getMappingFromText(text string) (int, string, error) {
data := strings.Split(text, "\t")
id, err := strconv.Atoi(data[0])
if(err != nil){
if err != nil {
return 0, "", err
}
@@ -91,10 +91,10 @@ func getMappingFromText(text string) (int, string, error) {
func TryGetId(mappingType int, name string) (int, error) {
// Try to convert name to id
id, err := strconv.Atoi(name)
if(err != nil){ // name given -> Convert to id
if err != nil { // name given -> Convert to id
var found bool
id, found = ByName[mappingType][name]
if(!found){
if !found {
return 0, fmt.Errorf("no id found from name")
}
}
lib/iproute2mapping/mapping_test.go
-1
View File
@@ -1,2 +1 @@
package iproute2mapping
lib/wgchecks/wgchecks.go
+2 -2
View File
@@ -19,7 +19,7 @@ func PeerIndexByIP(peers *[]wgtypes.Peer, ip *net.IP) (int, int, error) {
}
func PeerByIP(peers *[]wgtypes.Peer, ip *net.IP) (*wgtypes.Peer, error) {
index, _, err := PeerIndexByIP(peers, ip)
if(err != nil) {
if err != nil {
return nil, err
}
return &(*peers)[index], nil
@@ -35,7 +35,7 @@ func PeerIndexByIPNet(peers *[]wgtypes.Peer, ipNet *net.IPNet) (int, int, error)
}
func PeerByIPNet(peers *[]wgtypes.Peer, ipNet *net.IPNet) (*wgtypes.Peer, error) {
index, _, err := PeerIndexByIPNet(peers, ipNet)
if(err != nil) {
if err != nil {
return nil, err
}
return &(*peers)[index], nil