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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2024 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* 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 clientutil
import (
"path/filepath"
"strconv"
"github.com/snapcore/snapd/dirs"
)
// AvailableUserSessions returns a list of available user-session targets for
// snapd, by probing the available snapd-session-agent sockets in the
// XDG runtime directory.
func AvailableUserSessions() ([]int, error) {
sockets, err := filepath.Glob(filepath.Join(dirs.XdgRuntimeDirGlob, "snapd-session-agent.socket"))
if err != nil {
return nil, err
}
var uids []int
for _, sock := range sockets {
uidStr := filepath.Base(filepath.Dir(sock))
uid, err := strconv.Atoi(uidStr)
if err != nil {
// Ignore directories that do not
// appear to be valid XDG runtime dirs
// (i.e. /run/user/NNNN).
continue
}
uids = append(uids, uid)
}
return uids, nil
}
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