136 lines
3.3 KiB
Go
136 lines
3.3 KiB
Go
// +build ignore
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/*
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* MinIO Cloud Storage, (C) 2019 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package main
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import (
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"fmt"
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"log"
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"os"
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"os/user"
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"syscall"
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"github.com/minio/cli"
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minio "github.com/minio/minio/cmd"
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)
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var defaultUserGroup string
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func init() {
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username := os.Getenv("MINIO_USERNAME")
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groupname := os.Getenv("MINIO_GROUPNAME")
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defaultUserGroup = username + ":" + groupname
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}
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func getUserGroup(path string) (string, error) {
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fi, err := os.Stat(minio.PathJoin(path, ".minio.sys"))
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if err != nil {
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// Fresh directory we should default to what was requested by user.
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if os.IsNotExist(err) {
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fi, err = os.Stat(path)
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if err != nil {
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return "", err
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}
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} else {
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return "", err
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}
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}
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stat, ok := fi.Sys().(*syscall.Stat_t)
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if !ok {
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// Unable to figure out uid/gid, default to defaultUserGroup
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return defaultUserGroup, nil
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}
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u, err := user.LookupId(fmt.Sprintf("%d", stat.Uid))
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if err != nil {
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return fmt.Sprintf("%d:%d", stat.Uid, stat.Gid), nil
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}
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g, err := user.LookupGroupId(fmt.Sprintf("%d", stat.Gid))
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if err != nil {
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return fmt.Sprintf("%d:%d", stat.Uid, stat.Gid), nil
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}
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return fmt.Sprintf("%s:%s", u.Username, g.Name), nil
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}
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func main() {
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app := cli.NewApp()
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app.Flags = append(minio.ServerFlags, minio.GlobalFlags...)
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app.Action = func(ctx *cli.Context) {
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// Fetch address option
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serverAddr := ctx.GlobalString("address")
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if serverAddr == "" || serverAddr == ":9000" {
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serverAddr = ctx.String("address")
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}
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if ctx.Args().First() == "help" {
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cli.ShowCommandHelpAndExit(ctx, "check-user", 1)
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}
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if ctx.Args().First() != "minio" {
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cli.ShowCommandHelpAndExit(ctx, "check-user", 1)
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}
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args := cli.Args(ctx.Args().Tail())
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if !args.Present() {
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cli.ShowCommandHelpAndExit(ctx, "check-user", 1)
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}
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var ug string
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var err error
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switch args.First() {
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case "gateway":
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args = cli.Args(args.Tail())
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if args.First() != "nas" {
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fmt.Println(defaultUserGroup)
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return
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}
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args = cli.Args(args.Tail())
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if args.First() == "" {
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fmt.Println("")
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return
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}
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ug, err = getUserGroup(args.First())
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if err != nil {
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log.Fatalln(err)
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}
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case "server":
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var setArgs [][]string
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setArgs, err = minio.GetAllSets(args.Tail()...)
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if err != nil {
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log.Fatalln(err)
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}
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var endpoints minio.EndpointList
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_, endpoints, _, err = minio.CreateEndpoints(serverAddr, setArgs...)
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if err != nil {
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log.Fatalln(err)
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}
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for _, endpoint := range endpoints {
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if !endpoint.IsLocal {
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continue
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}
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ug, err = getUserGroup(endpoint.Path)
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if err != nil {
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log.Fatalln(err)
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}
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break
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}
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default:
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cli.ShowCommandHelpAndExit(ctx, "check-user", 1)
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}
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fmt.Println(ug)
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}
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if err := app.Run(os.Args); err != nil {
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log.Fatalln(err)
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}
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}
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