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authorDaniel J Walsh <dwalsh@redhat.com>2018-03-29 11:01:47 -0400
committerAtomic Bot <atomic-devel@projectatomic.io>2018-04-05 14:13:49 +0000
commitfdcf633a33bbbfbc99268965ef5da03a4770619b (patch)
tree59be1ab815261e106220a4691766830b58657ac0 /vendor/github.com/mrunalp/fileutils
parentca3b2414516c04125f986775c0cbce27f0f1e505 (diff)
downloadpodman-fdcf633a33bbbfbc99268965ef5da03a4770619b.tar.gz
podman-fdcf633a33bbbfbc99268965ef5da03a4770619b.tar.bz2
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Add hooks support to podman
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com> Closes: #155 Approved by: mheon
Diffstat (limited to 'vendor/github.com/mrunalp/fileutils')
-rw-r--r--vendor/github.com/mrunalp/fileutils/LICENSE191
-rw-r--r--vendor/github.com/mrunalp/fileutils/README.md5
-rw-r--r--vendor/github.com/mrunalp/fileutils/fileutils.go158
-rw-r--r--vendor/github.com/mrunalp/fileutils/idtools.go49
4 files changed, 403 insertions, 0 deletions
diff --git a/vendor/github.com/mrunalp/fileutils/LICENSE b/vendor/github.com/mrunalp/fileutils/LICENSE
new file mode 100644
index 000000000..27448585a
--- /dev/null
+++ b/vendor/github.com/mrunalp/fileutils/LICENSE
@@ -0,0 +1,191 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
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+ "License" shall mean the terms and conditions for use, reproduction,
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+ for any such Derivative Works as a whole, provided Your use,
+ reproduction, and distribution of the Work otherwise complies with
+ the conditions stated in this License.
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+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
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+ 6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
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+ 7. Disclaimer of Warranty. Unless required by applicable law or
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+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
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+ END OF TERMS AND CONDITIONS
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+ Copyright 2014 Docker, Inc.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
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+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
diff --git a/vendor/github.com/mrunalp/fileutils/README.md b/vendor/github.com/mrunalp/fileutils/README.md
new file mode 100644
index 000000000..6cb4140ea
--- /dev/null
+++ b/vendor/github.com/mrunalp/fileutils/README.md
@@ -0,0 +1,5 @@
+# fileutils
+
+Collection of utilities for file manipulation in golang
+
+The library is based on docker pkg/archive pkg/idtools but does copies instead of handling archive formats.
diff --git a/vendor/github.com/mrunalp/fileutils/fileutils.go b/vendor/github.com/mrunalp/fileutils/fileutils.go
new file mode 100644
index 000000000..5a9818a24
--- /dev/null
+++ b/vendor/github.com/mrunalp/fileutils/fileutils.go
@@ -0,0 +1,158 @@
+package fileutils
+
+import (
+ "fmt"
+ "io"
+ "os"
+ "path/filepath"
+ "syscall"
+)
+
+// CopyFile copies the file at source to dest
+func CopyFile(source string, dest string) error {
+ si, err := os.Lstat(source)
+ if err != nil {
+ return err
+ }
+
+ st, ok := si.Sys().(*syscall.Stat_t)
+ if !ok {
+ return fmt.Errorf("could not convert to syscall.Stat_t")
+ }
+
+ uid := int(st.Uid)
+ gid := int(st.Gid)
+
+ // Handle symlinks
+ if si.Mode()&os.ModeSymlink != 0 {
+ target, err := os.Readlink(source)
+ if err != nil {
+ return err
+ }
+ if err := os.Symlink(target, dest); err != nil {
+ return err
+ }
+ }
+
+ // Handle device files
+ if st.Mode&syscall.S_IFMT == syscall.S_IFBLK || st.Mode&syscall.S_IFMT == syscall.S_IFCHR {
+ devMajor := int64(major(uint64(st.Rdev)))
+ devMinor := int64(minor(uint64(st.Rdev)))
+ mode := uint32(si.Mode() & 07777)
+ if st.Mode&syscall.S_IFMT == syscall.S_IFBLK {
+ mode |= syscall.S_IFBLK
+ }
+ if st.Mode&syscall.S_IFMT == syscall.S_IFCHR {
+ mode |= syscall.S_IFCHR
+ }
+ if err := syscall.Mknod(dest, mode, int(mkdev(devMajor, devMinor))); err != nil {
+ return err
+ }
+ }
+
+ // Handle regular files
+ if si.Mode().IsRegular() {
+ sf, err := os.Open(source)
+ if err != nil {
+ return err
+ }
+ defer sf.Close()
+
+ df, err := os.Create(dest)
+ if err != nil {
+ return err
+ }
+ defer df.Close()
+
+ _, err = io.Copy(df, sf)
+ if err != nil {
+ return err
+ }
+ }
+
+ // Chown the file
+ if err := os.Lchown(dest, uid, gid); err != nil {
+ return err
+ }
+
+ // Chmod the file
+ if !(si.Mode()&os.ModeSymlink == os.ModeSymlink) {
+ if err := os.Chmod(dest, si.Mode()); err != nil {
+ return err
+ }
+ }
+
+ return nil
+}
+
+// CopyDirectory copies the files under the source directory
+// to dest directory. The dest directory is created if it
+// does not exist.
+func CopyDirectory(source string, dest string) error {
+ fi, err := os.Stat(source)
+ if err != nil {
+ return err
+ }
+
+ // Get owner.
+ st, ok := fi.Sys().(*syscall.Stat_t)
+ if !ok {
+ return fmt.Errorf("could not convert to syscall.Stat_t")
+ }
+
+ // We have to pick an owner here anyway.
+ if err := MkdirAllNewAs(dest, fi.Mode(), int(st.Uid), int(st.Gid)); err != nil {
+ return err
+ }
+
+ return filepath.Walk(source, func(path string, info os.FileInfo, err error) error {
+ if err != nil {
+ return err
+ }
+
+ // Get the relative path
+ relPath, err := filepath.Rel(source, path)
+ if err != nil {
+ return nil
+ }
+
+ if info.IsDir() {
+ // Skip the source directory.
+ if path != source {
+ // Get the owner.
+ st, ok := info.Sys().(*syscall.Stat_t)
+ if !ok {
+ return fmt.Errorf("could not convert to syscall.Stat_t")
+ }
+
+ uid := int(st.Uid)
+ gid := int(st.Gid)
+
+ if err := os.Mkdir(filepath.Join(dest, relPath), info.Mode()); err != nil {
+ return err
+ }
+
+ if err := os.Lchown(filepath.Join(dest, relPath), uid, gid); err != nil {
+ return err
+ }
+ }
+ return nil
+ }
+
+ return CopyFile(path, filepath.Join(dest, relPath))
+ })
+}
+
+// Gives a number indicating the device driver to be used to access the passed device
+func major(device uint64) uint64 {
+ return (device >> 8) & 0xfff
+}
+
+// Gives a number that serves as a flag to the device driver for the passed device
+func minor(device uint64) uint64 {
+ return (device & 0xff) | ((device >> 12) & 0xfff00)
+}
+
+func mkdev(major int64, minor int64) uint32 {
+ return uint32(((minor & 0xfff00) << 12) | ((major & 0xfff) << 8) | (minor & 0xff))
+}
diff --git a/vendor/github.com/mrunalp/fileutils/idtools.go b/vendor/github.com/mrunalp/fileutils/idtools.go
new file mode 100644
index 000000000..161aec8f5
--- /dev/null
+++ b/vendor/github.com/mrunalp/fileutils/idtools.go
@@ -0,0 +1,49 @@
+package fileutils
+
+import (
+ "os"
+ "path/filepath"
+)
+
+// MkdirAllNewAs creates a directory (include any along the path) and then modifies
+// ownership ONLY of newly created directories to the requested uid/gid. If the
+// directories along the path exist, no change of ownership will be performed
+func MkdirAllNewAs(path string, mode os.FileMode, ownerUID, ownerGID int) error {
+ // make an array containing the original path asked for, plus (for mkAll == true)
+ // all path components leading up to the complete path that don't exist before we MkdirAll
+ // so that we can chown all of them properly at the end. If chownExisting is false, we won't
+ // chown the full directory path if it exists
+ var paths []string
+ if _, err := os.Stat(path); err != nil && os.IsNotExist(err) {
+ paths = []string{path}
+ } else if err == nil {
+ // nothing to do; directory path fully exists already
+ return nil
+ }
+
+ // walk back to "/" looking for directories which do not exist
+ // and add them to the paths array for chown after creation
+ dirPath := path
+ for {
+ dirPath = filepath.Dir(dirPath)
+ if dirPath == "/" {
+ break
+ }
+ if _, err := os.Stat(dirPath); err != nil && os.IsNotExist(err) {
+ paths = append(paths, dirPath)
+ }
+ }
+
+ if err := os.MkdirAll(path, mode); err != nil && !os.IsExist(err) {
+ return err
+ }
+
+ // even if it existed, we will chown the requested path + any subpaths that
+ // didn't exist when we called MkdirAll
+ for _, pathComponent := range paths {
+ if err := os.Chown(pathComponent, ownerUID, ownerGID); err != nil {
+ return err
+ }
+ }
+ return nil
+}