Files
vppn/peer/files.go
2026-06-07 18:12:44 +02:00

99 lines
1.9 KiB
Go

//go:build ignore
package peer
import (
"encoding/json"
"log"
"os"
"path/filepath"
"vppn/m"
)
type LocalConfig struct {
LocalPeerIP byte
Network []byte
WGPrivKey string
}
func configDir(netName string) string {
d, err := os.UserHomeDir()
if err != nil {
log.Fatalf("Failed to get user home directory: %v", err)
}
return filepath.Join(d, ".vppn", netName)
}
func lockFilePath(netName string) string {
return filepath.Join(configDir(netName), "__lock__")
}
func peerConfigPath(netName string) string {
return filepath.Join(configDir(netName), "config.json")
}
func peerStatePath(netName string) string {
return filepath.Join(configDir(netName), "state.json")
}
func statusSocketPath(netName string) string {
return filepath.Join(configDir(netName), "status.sock")
}
func storeJson(x any, outPath string) error {
outDir := filepath.Dir(outPath)
_ = os.MkdirAll(outDir, 0700)
tmpPath := outPath + ".tmp"
buf, err := json.Marshal(x)
if err != nil {
return err
}
f, err := os.OpenFile(tmpPath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
if err != nil {
return err
}
if _, err := f.Write(buf); err != nil {
f.Close()
return err
}
if err := f.Sync(); err != nil {
f.Close()
return err
}
if err := f.Close(); err != nil {
return err
}
return os.Rename(tmpPath, outPath)
}
func storePeerConfig(netName string, pc LocalConfig) error {
return storeJson(pc, peerConfigPath(netName))
}
func storeNetworkState(netName string, ps m.NetworkState) error {
return storeJson(ps, peerStatePath(netName))
}
func loadJson(dataPath string, ptr any) error {
data, err := os.ReadFile(dataPath)
if err != nil {
return err
}
return json.Unmarshal(data, ptr)
}
func loadPeerConfig(netName string) (pc LocalConfig, err error) {
return pc, loadJson(peerConfigPath(netName), &pc)
}
func loadNetworkState(netName string) (ps m.NetworkState, err error) {
return ps, loadJson(peerStatePath(netName), &ps)
}