ALR/internal/utils/cmd.go
2025-04-13 17:11:38 +03:00

78 lines
1.7 KiB
Go

// ALR - Any Linux Repository
// Copyright (C) 2025 Евгений Храмов
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package utils
import (
"os"
"os/user"
"strconv"
"syscall"
"github.com/leonelquinteros/gotext"
"github.com/urfave/cli/v2"
)
func GetUidGidAlrUserString() (string, string, error) {
u, err := user.Lookup("alr")
if err != nil {
return "", "", err
}
return u.Uid, u.Gid, nil
}
func GetUidGidAlrUser() (int, int, error) {
strUid, strGid, err := GetUidGidAlrUserString()
if err != nil {
return 0, 0, err
}
uid, err := strconv.Atoi(strUid)
if err != nil {
return 0, 0, err
}
gid, err := strconv.Atoi(strGid)
if err != nil {
return 0, 0, err
}
return uid, gid, nil
}
func DropCapsToAlrUser() error {
uid, gid, err := GetUidGidAlrUser()
if err != nil {
return err
}
err = syscall.Setgid(gid)
if err != nil {
return err
}
err = syscall.Setuid(uid)
if err != nil {
return err
}
return nil
}
func ExitIfNotRoot() error {
if os.Getuid() != 0 {
return cli.Exit(gotext.Get("You need to be root to perform this action"), 1)
}
return nil
}