mirror of
https://github.com/minio/minio.git
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66 lines
1.8 KiB
Go
66 lines
1.8 KiB
Go
/*
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* Minio Cloud Storage, (C) 2015 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 user
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import (
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"os"
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"os/user"
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"runtime"
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"strconv"
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)
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// Current is a portable implementation to determine the current user.
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// Golang's user.Current does not work reliably under docker or 32bit linux
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//
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// Two issues this code handles :-
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//
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// Docker Container - For static binaries NSS library will not be a part of the static binary hence user.Current() fails.
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// Linux Intel 32 bit - CGO is not enabled so it will not link with NSS library.
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//
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func Current() (*user.User, error) {
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if os.Getenv("DOCKERIMAGE") == "1" {
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wd, err := os.Getwd()
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if err != nil {
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return nil, err
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}
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return &user.User{Uid: "0", Gid: "0", Username: "root", Name: "root", HomeDir: wd}, nil
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}
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if runtime.GOARCH == "386" && runtime.GOOS == "linux" {
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return &user.User{
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Uid: strconv.Itoa(os.Getuid()),
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Gid: strconv.Itoa(os.Getgid()),
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Username: os.Getenv("USER"),
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Name: os.Getenv("USER"),
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HomeDir: os.Getenv("HOME"),
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}, nil
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}
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user, e := user.Current()
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if e != nil {
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return nil, e
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}
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return user, nil
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}
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// HomeDir - return current home directory.
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func HomeDir() (string, error) {
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user, err := Current()
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if err != nil {
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return "", err
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}
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return user.HomeDir, nil
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}
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