sing-box/common/settings/proxy_linux.go

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//go:build linux && !android
package settings
import (
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"os"
"os/exec"
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"strings"
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"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing/common"
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E "github.com/sagernet/sing/common/exceptions"
F "github.com/sagernet/sing/common/format"
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"github.com/sagernet/sing/common/shell"
)
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var (
hasGSettings bool
sudoUser string
)
func init() {
hasGSettings = common.Error(exec.LookPath("gsettings")) == nil
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if os.Getuid() == 0 {
sudoUser = os.Getenv("SUDO_USER")
}
}
func runAsUser(name string, args ...string) error {
if os.Getuid() != 0 {
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return shell.Exec(name, args...).Attach().Run()
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} else if sudoUser != "" {
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return shell.Exec("su", "-", sudoUser, "-c", F.ToString(name, " ", strings.Join(args, " "))).Attach().Run()
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} else {
return E.New("set system proxy: unable to set as root")
}
}
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func SetSystemProxy(router adapter.Router, port uint16, isMixed bool) (func() error, error) {
if !hasGSettings {
return nil, E.New("unsupported desktop environment")
}
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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 {
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err = setGnomeProxy(port, "http", "https")
}
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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 {
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err := runAsUser("gsettings", "set", "org.gnome.system.proxy."+proxyType, "host", "127.0.0.1")
if err != nil {
return err
}
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err = runAsUser("gsettings", "set", "org.gnome.system.proxy."+proxyType, "port", F.ToString(port))
if err != nil {
return err
}
}
return nil
}