124 lines
3.5 KiB
Go
124 lines
3.5 KiB
Go
// This file was originally part of the project "LURE - Linux User REpository", created by Elara Musayelyan.
|
|
// It has been modified as part of "ALR - Any Linux Repository" by the ALR Authors.
|
|
//
|
|
// ALR - Any Linux Repository
|
|
// Copyright (C) 2025 The ALR Authors
|
|
//
|
|
// 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 distro
|
|
|
|
import (
|
|
"context"
|
|
"os"
|
|
"strings"
|
|
|
|
"mvdan.cc/sh/v3/expand"
|
|
"mvdan.cc/sh/v3/interp"
|
|
"mvdan.cc/sh/v3/syntax"
|
|
|
|
"gitea.plemya-x.ru/Plemya-x/ALR/internal/shutils/handlers"
|
|
)
|
|
|
|
// OSRelease contains information from an os-release file
|
|
type OSRelease struct {
|
|
Name string
|
|
PrettyName string
|
|
ID string
|
|
Like []string
|
|
VersionID string
|
|
ANSIColor string
|
|
HomeURL string
|
|
DocumentationURL string
|
|
SupportURL string
|
|
BugReportURL string
|
|
Logo string
|
|
PlatformID string
|
|
}
|
|
|
|
var parsed *OSRelease
|
|
|
|
// OSReleaseName returns a struct parsed from the system's os-release
|
|
// file. It checks /etc/os-release as well as /usr/lib/os-release.
|
|
// The first time it's called, it'll parse the os-release file.
|
|
// Subsequent calls will return the same value.
|
|
func ParseOSRelease(ctx context.Context) (*OSRelease, error) {
|
|
if parsed != nil {
|
|
return parsed, nil
|
|
}
|
|
|
|
fl, err := os.Open("/usr/lib/os-release")
|
|
if err != nil {
|
|
fl, err = os.Open("/etc/os-release")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
file, err := syntax.NewParser().Parse(fl, "/usr/lib/os-release")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
fl.Close()
|
|
|
|
// Create new shell interpreter with nop open, exec, readdir, and stat handlers
|
|
// as well as no environment variables in order to prevent vulnerabilities
|
|
// caused by changing the os-release file.
|
|
runner, err := interp.New(
|
|
interp.OpenHandler(handlers.NopOpen),
|
|
interp.ExecHandler(handlers.NopExec),
|
|
interp.ReadDirHandler2(handlers.NopReadDir),
|
|
interp.StatHandler(handlers.NopStat),
|
|
interp.Env(expand.ListEnviron()),
|
|
interp.Dir("/"),
|
|
)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
err = runner.Run(ctx, file)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
out := &OSRelease{
|
|
Name: runner.Vars["NAME"].Str,
|
|
PrettyName: runner.Vars["PRETTY_NAME"].Str,
|
|
ID: runner.Vars["ID"].Str,
|
|
VersionID: runner.Vars["VERSION_ID"].Str,
|
|
ANSIColor: runner.Vars["ANSI_COLOR"].Str,
|
|
HomeURL: runner.Vars["HOME_URL"].Str,
|
|
DocumentationURL: runner.Vars["DOCUMENTATION_URL"].Str,
|
|
SupportURL: runner.Vars["SUPPORT_URL"].Str,
|
|
BugReportURL: runner.Vars["BUG_REPORT_URL"].Str,
|
|
Logo: runner.Vars["LOGO"].Str,
|
|
PlatformID: runner.Vars["PLATFORM_ID"].Str,
|
|
}
|
|
|
|
distroUpdated := false
|
|
if distID, ok := os.LookupEnv("ALR_DISTRO"); ok {
|
|
out.ID = distID
|
|
}
|
|
|
|
if distLike, ok := os.LookupEnv("ALR_DISTRO_LIKE"); ok {
|
|
out.Like = strings.Split(distLike, " ")
|
|
} else if runner.Vars["ID_LIKE"].IsSet() && !distroUpdated {
|
|
out.Like = strings.Split(runner.Vars["ID_LIKE"].Str, " ")
|
|
}
|
|
|
|
parsed = out
|
|
return out, nil
|
|
}
|