sing-box/common/settings/proxy_linux.go
2023-03-13 19:46:16 +08:00

81 lines
2.0 KiB
Go

//go:build linux && !android
package settings
import (
"os"
"os/exec"
"strings"
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing/common"
E "github.com/sagernet/sing/common/exceptions"
F "github.com/sagernet/sing/common/format"
"github.com/sagernet/sing/common/shell"
)
var (
hasGSettings bool
sudoUser string
)
func init() {
hasGSettings = common.Error(exec.LookPath("gsettings")) == nil
if os.Getuid() == 0 {
sudoUser = os.Getenv("SUDO_USER")
}
}
func runAsUser(name string, args ...string) error {
if os.Getuid() != 0 {
return shell.Exec(name, args...).Attach().Run()
} else if sudoUser != "" {
return shell.Exec("su", "-", sudoUser, "-c", F.ToString(name, " ", strings.Join(args, " "))).Attach().Run()
} else {
return E.New("set system proxy: unable to set as root")
}
}
func SetSystemProxy(router adapter.Router, port uint16, isMixed bool) (func() error, error) {
if !hasGSettings {
return nil, E.New("unsupported desktop environment")
}
err := runAsUser("gsettings", "set", "org.gnome.system.proxy.http", "enabled", "true")
if err != nil {
return nil, err
}
if isMixed {
err = setGnomeProxy(port, "ftp", "http", "https", "socks")
} else {
err = setGnomeProxy(port, "http", "https")
}
if err != nil {
return nil, err
}
err = runAsUser("gsettings", "set", "org.gnome.system.proxy", "use-same-proxy", F.ToString(isMixed))
if err != nil {
return nil, err
}
err = runAsUser("gsettings", "set", "org.gnome.system.proxy", "mode", "manual")
if err != nil {
return nil, err
}
return func() error {
return runAsUser("gsettings", "set", "org.gnome.system.proxy", "mode", "none")
}, nil
}
func setGnomeProxy(port uint16, proxyTypes ...string) error {
for _, proxyType := range proxyTypes {
err := runAsUser("gsettings", "set", "org.gnome.system.proxy."+proxyType, "host", "127.0.0.1")
if err != nil {
return err
}
err = runAsUser("gsettings", "set", "org.gnome.system.proxy."+proxyType, "port", F.ToString(port))
if err != nil {
return err
}
}
return nil
}