121 lines
3.7 KiB
Go
121 lines
3.7 KiB
Go
//go:build linux || darwin || dragonfly || freebsd || netbsd || openbsd
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// +build linux darwin dragonfly freebsd netbsd openbsd
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// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"context"
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"io/ioutil"
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"os"
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"path"
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"syscall"
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"testing"
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)
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// Based on `man getumask` a vaporware GNU extension to glibc.
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// returns file mode creation mask.
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func getUmask() int {
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mask := syscall.Umask(0)
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syscall.Umask(mask)
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return mask
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}
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// Tests if the directory and file creations happen with proper umask.
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func TestIsValidUmaskVol(t *testing.T) {
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tmpPath, err := ioutil.TempDir(globalTestTmpDir, "minio-")
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if err != nil {
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t.Fatalf("Initializing temporary directory failed with %s.", err)
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}
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testCases := []struct {
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volName string
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expectedUmask int
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}{
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{"is-this-valid", getUmask()},
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}
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testCase := testCases[0]
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// Initialize a new xlStorage layer.
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disk, err := newLocalXLStorage(tmpPath)
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if err != nil {
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t.Fatalf("Initializing xlStorage failed with %s.", err)
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}
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// Attempt to create a volume to verify the permissions later.
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// MakeVol creates 0777.
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if err = disk.MakeVol(context.Background(), testCase.volName); err != nil {
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t.Fatalf("Creating a volume failed with %s expected to pass.", err)
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}
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defer os.RemoveAll(tmpPath)
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// Stat to get permissions bits.
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st, err := os.Stat(path.Join(tmpPath, testCase.volName))
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if err != nil {
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t.Fatalf("Stat failed with %s expected to pass.", err)
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}
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// Get umask of the bits stored.
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currentUmask := 0777 - uint32(st.Mode().Perm())
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// Verify if umask is correct.
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if int(currentUmask) != testCase.expectedUmask {
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t.Fatalf("Umask check failed expected %d, got %d", testCase.expectedUmask, currentUmask)
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}
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}
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// Tests if the file creations happen with proper umask.
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func TestIsValidUmaskFile(t *testing.T) {
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tmpPath, err := ioutil.TempDir(globalTestTmpDir, "minio-")
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if err != nil {
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t.Fatalf("Initializing temporary directory failed with %s.", err)
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}
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testCases := []struct {
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volName string
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expectedUmask int
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}{
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{"is-this-valid", getUmask()},
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}
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testCase := testCases[0]
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// Initialize a new xlStorage layer.
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disk, err := newLocalXLStorage(tmpPath)
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if err != nil {
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t.Fatalf("Initializing xlStorage failed with %s.", err)
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}
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// Attempt to create a volume to verify the permissions later.
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// MakeVol creates directory with 0777 perms.
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if err = disk.MakeVol(context.Background(), testCase.volName); err != nil {
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t.Fatalf("Creating a volume failed with %s expected to pass.", err)
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}
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defer os.RemoveAll(tmpPath)
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// Attempt to create a file to verify the permissions later.
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// AppendFile creates file with 0666 perms.
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if err = disk.AppendFile(context.Background(), testCase.volName, pathJoin("hello-world.txt", xlStorageFormatFile), []byte("Hello World")); err != nil {
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t.Fatalf("Create a file `test` failed with %s expected to pass.", err)
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}
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// CheckFile - stat the file.
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if _, err := disk.StatInfoFile(context.Background(), testCase.volName, "hello-world.txt/"+xlStorageFormatFile, false); err != nil {
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t.Fatalf("Stat failed with %s expected to pass.", err)
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}
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}
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