From 925da74118697702092b24ff115b64258643f81c Mon Sep 17 00:00:00 2001 From: "dependabot-preview[bot]" <27856297+dependabot-preview[bot]@users.noreply.github.com> Date: Thu, 12 Mar 2020 09:17:29 +0000 Subject: Bump github.com/containers/storage from 1.16.2 to 1.16.3 Bumps [github.com/containers/storage](https://github.com/containers/storage) from 1.16.2 to 1.16.3. - [Release notes](https://github.com/containers/storage/releases) - [Changelog](https://github.com/containers/storage/blob/master/docs/containers-storage-changes.md) - [Commits](https://github.com/containers/storage/compare/v1.16.2...v1.16.3) Signed-off-by: dependabot-preview[bot] Signed-off-by: Daniel J Walsh --- vendor/github.com/containers/storage/VERSION | 2 +- .../github.com/containers/storage/drivers/chown.go | 9 +- .../containers/storage/drivers/chown_unix.go | 103 ++++++++-------- .../storage/drivers/devmapper/deviceset.go | 4 +- vendor/github.com/containers/storage/go.mod | 2 +- vendor/github.com/containers/storage/go.sum | 4 +- .../containers/storage/pkg/mount/flags_freebsd.go | 49 -------- .../containers/storage/pkg/mount/flags_linux.go | 2 + .../storage/pkg/mount/flags_unsupported.go | 2 +- .../containers/storage/pkg/mount/mount.go | 73 +++++++---- .../storage/pkg/mount/mounter_freebsd.go | 6 - .../containers/storage/pkg/mount/mounter_linux.go | 29 +++-- .../storage/pkg/mount/mounter_solaris.go | 34 ------ .../storage/pkg/mount/mounter_unsupported.go | 6 +- .../containers/storage/pkg/mount/mountinfo.go | 14 --- .../storage/pkg/mount/mountinfo_linux.go | 113 ++++++++++------- .../storage/pkg/mount/mountinfo_solaris.go | 37 ------ .../storage/pkg/mount/mountinfo_unsupported.go | 2 +- .../storage/pkg/mount/mountinfo_windows.go | 6 - .../storage/pkg/mount/sharedsubtree_linux.go | 29 ++--- .../storage/pkg/mount/sharedsubtree_solaris.go | 58 --------- .../containers/storage/pkg/mount/unmount_unix.go | 22 ++++ .../storage/pkg/mount/unmount_unsupported.go | 7 ++ .../containers/storage/pkg/system/lstat_unix.go | 3 +- .../github.com/containers/storage/pkg/system/rm.go | 10 +- .../containers/storage/pkg/system/stat_unix.go | 6 +- .../selinux/go-selinux/label/label.go | 134 ++++++++------------- .../selinux/go-selinux/label/label_selinux.go | 122 +++---------------- .../selinux/go-selinux/label/label_stub.go | 54 +++++++++ .../selinux/go-selinux/selinux_linux.go | 78 ++++++++---- .../selinux/go-selinux/selinux_stub.go | 14 ++- .../opencontainers/selinux/go-selinux/xattrs.go | 8 +- .../opencontainers/selinux/pkg/pwalk/README.md | 42 +++++++ .../opencontainers/selinux/pkg/pwalk/pwalk.go | 99 +++++++++++++++ vendor/modules.txt | 5 +- 35 files changed, 591 insertions(+), 597 deletions(-) delete mode 100644 vendor/github.com/containers/storage/pkg/mount/flags_freebsd.go delete mode 100644 vendor/github.com/containers/storage/pkg/mount/mounter_solaris.go delete mode 100644 vendor/github.com/containers/storage/pkg/mount/mountinfo_solaris.go delete mode 100644 vendor/github.com/containers/storage/pkg/mount/mountinfo_windows.go delete mode 100644 vendor/github.com/containers/storage/pkg/mount/sharedsubtree_solaris.go create mode 100644 vendor/github.com/containers/storage/pkg/mount/unmount_unix.go create mode 100644 vendor/github.com/containers/storage/pkg/mount/unmount_unsupported.go create mode 100644 vendor/github.com/opencontainers/selinux/go-selinux/label/label_stub.go create mode 100644 vendor/github.com/opencontainers/selinux/pkg/pwalk/README.md create mode 100644 vendor/github.com/opencontainers/selinux/pkg/pwalk/pwalk.go (limited to 'vendor') diff --git a/vendor/github.com/containers/storage/VERSION b/vendor/github.com/containers/storage/VERSION index 4a02d2c31..c807441cf 100644 --- a/vendor/github.com/containers/storage/VERSION +++ b/vendor/github.com/containers/storage/VERSION @@ -1 +1 @@ -1.16.2 +1.16.3 diff --git a/vendor/github.com/containers/storage/drivers/chown.go b/vendor/github.com/containers/storage/drivers/chown.go index f2f1ec386..7604a86db 100644 --- a/vendor/github.com/containers/storage/drivers/chown.go +++ b/vendor/github.com/containers/storage/drivers/chown.go @@ -5,10 +5,10 @@ import ( "encoding/json" "fmt" "os" - "path/filepath" "github.com/containers/storage/pkg/idtools" "github.com/containers/storage/pkg/reexec" + "github.com/opencontainers/selinux/pkg/pwalk" ) const ( @@ -51,16 +51,13 @@ func chownByMapsMain() { if len(toHost.UIDs()) == 0 && len(toHost.GIDs()) == 0 { toHost = nil } - chown := func(path string, info os.FileInfo, err error) error { - if err != nil { - return fmt.Errorf("error walking to %q: %v", path, err) - } + chown := func(path string, info os.FileInfo, _ error) error { if path == "." { return nil } return platformLChown(path, info, toHost, toContainer) } - if err := filepath.Walk(".", chown); err != nil { + if err := pwalk.Walk(".", chown); err != nil { fmt.Fprintf(os.Stderr, "error during chown: %v", err) os.Exit(1) } diff --git a/vendor/github.com/containers/storage/drivers/chown_unix.go b/vendor/github.com/containers/storage/drivers/chown_unix.go index 94c641536..3a3978b71 100644 --- a/vendor/github.com/containers/storage/drivers/chown_unix.go +++ b/vendor/github.com/containers/storage/drivers/chown_unix.go @@ -12,66 +12,63 @@ import ( ) func platformLChown(path string, info os.FileInfo, toHost, toContainer *idtools.IDMappings) error { - sysinfo := info.Sys() - if st, ok := sysinfo.(*syscall.Stat_t); ok { - // Map an on-disk UID/GID pair from host to container - // using the first map, then back to the host using the - // second map. Skip that first step if they're 0, to - // compensate for cases where a parent layer should - // have had a mapped value, but didn't. - uid, gid := int(st.Uid), int(st.Gid) - if toContainer != nil { - pair := idtools.IDPair{ - UID: uid, - GID: gid, - } - mappedUID, mappedGID, err := toContainer.ToContainer(pair) - if err != nil { - if (uid != 0) || (gid != 0) { - return fmt.Errorf("error mapping host ID pair %#v for %q to container: %v", pair, path, err) - } - mappedUID, mappedGID = uid, gid - } - uid, gid = mappedUID, mappedGID + st, ok := info.Sys().(*syscall.Stat_t) + if !ok { + return nil + } + // Map an on-disk UID/GID pair from host to container + // using the first map, then back to the host using the + // second map. Skip that first step if they're 0, to + // compensate for cases where a parent layer should + // have had a mapped value, but didn't. + uid, gid := int(st.Uid), int(st.Gid) + if toContainer != nil { + pair := idtools.IDPair{ + UID: uid, + GID: gid, } - if toHost != nil { - pair := idtools.IDPair{ - UID: uid, - GID: gid, - } - mappedPair, err := toHost.ToHost(pair) - if err != nil { - return fmt.Errorf("error mapping container ID pair %#v for %q to host: %v", pair, path, err) + mappedUID, mappedGID, err := toContainer.ToContainer(pair) + if err != nil { + if (uid != 0) || (gid != 0) { + return fmt.Errorf("error mapping host ID pair %#v for %q to container: %v", pair, path, err) } - uid, gid = mappedPair.UID, mappedPair.GID + mappedUID, mappedGID = uid, gid + } + uid, gid = mappedUID, mappedGID + } + if toHost != nil { + pair := idtools.IDPair{ + UID: uid, + GID: gid, + } + mappedPair, err := toHost.ToHost(pair) + if err != nil { + return fmt.Errorf("error mapping container ID pair %#v for %q to host: %v", pair, path, err) + } + uid, gid = mappedPair.UID, mappedPair.GID + } + if uid != int(st.Uid) || gid != int(st.Gid) { + cap, err := system.Lgetxattr(path, "security.capability") + if err != nil && err != system.ErrNotSupportedPlatform { + return fmt.Errorf("%s: Lgetxattr(%q): %v", os.Args[0], path, err) } - if uid != int(st.Uid) || gid != int(st.Gid) { - stat, err := os.Lstat(path) - if err != nil { - return fmt.Errorf("%s: lstat(%q): %v", os.Args[0], path, err) - } - cap, err := system.Lgetxattr(path, "security.capability") - if err != nil && err != system.ErrNotSupportedPlatform { - return fmt.Errorf("%s: Lgetxattr(%q): %v", os.Args[0], path, err) - } - // Make the change. - if err := syscall.Lchown(path, uid, gid); err != nil { - return fmt.Errorf("%s: chown(%q): %v", os.Args[0], path, err) - } - // Restore the SUID and SGID bits if they were originally set. - if (stat.Mode()&os.ModeSymlink == 0) && stat.Mode()&(os.ModeSetuid|os.ModeSetgid) != 0 { - if err := os.Chmod(path, stat.Mode()); err != nil { - return fmt.Errorf("%s: chmod(%q): %v", os.Args[0], path, err) - } + // Make the change. + if err := syscall.Lchown(path, uid, gid); err != nil { + return fmt.Errorf("%s: chown(%q): %v", os.Args[0], path, err) + } + // Restore the SUID and SGID bits if they were originally set. + if (info.Mode()&os.ModeSymlink == 0) && info.Mode()&(os.ModeSetuid|os.ModeSetgid) != 0 { + if err := os.Chmod(path, info.Mode()); err != nil { + return fmt.Errorf("%s: chmod(%q): %v", os.Args[0], path, err) } - if cap != nil { - if err := system.Lsetxattr(path, "security.capability", cap, 0); err != nil { - return fmt.Errorf("%s: Lsetxattr(%q): %v", os.Args[0], path, err) - } + } + if cap != nil { + if err := system.Lsetxattr(path, "security.capability", cap, 0); err != nil { + return fmt.Errorf("%s: Lsetxattr(%q): %v", os.Args[0], path, err) } - } + } return nil } diff --git a/vendor/github.com/containers/storage/drivers/devmapper/deviceset.go b/vendor/github.com/containers/storage/drivers/devmapper/deviceset.go index 867ad1196..d0c7fab0a 100644 --- a/vendor/github.com/containers/storage/drivers/devmapper/deviceset.go +++ b/vendor/github.com/containers/storage/drivers/devmapper/deviceset.go @@ -1209,7 +1209,7 @@ func (devices *DeviceSet) growFS(info *devInfo) error { options = joinMountOptions(options, devices.mountOptions) if err := mount.Mount(info.DevName(), fsMountPoint, devices.BaseDeviceFilesystem, options); err != nil { - return fmt.Errorf("Error mounting '%s' on '%s': %s\n%v", info.DevName(), fsMountPoint, err, string(dmesg.Dmesg(256))) + return errors.Wrapf(err, "Failed to mount; dmesg: %s", string(dmesg.Dmesg(256))) } defer unix.Unmount(fsMountPoint, unix.MNT_DETACH) @@ -2414,7 +2414,7 @@ func (devices *DeviceSet) MountDevice(hash, path string, moptions graphdriver.Mo options = joinMountOptions(options, label.FormatMountLabel("", moptions.MountLabel)) if err := mount.Mount(info.DevName(), path, fstype, options); err != nil { - return fmt.Errorf("devmapper: Error mounting '%s' on '%s': %s\n%v", info.DevName(), path, err, string(dmesg.Dmesg(256))) + return errors.Wrapf(err, "Failed to mount; dmesg: %s", string(dmesg.Dmesg(256))) } if fstype == xfs && devices.xfsNospaceRetries != "" { diff --git a/vendor/github.com/containers/storage/go.mod b/vendor/github.com/containers/storage/go.mod index 8a3b7bb60..84bfc9616 100644 --- a/vendor/github.com/containers/storage/go.mod +++ b/vendor/github.com/containers/storage/go.mod @@ -11,7 +11,7 @@ require ( github.com/mistifyio/go-zfs v2.1.1+incompatible github.com/opencontainers/go-digest v1.0.0-rc1 github.com/opencontainers/runc v1.0.0-rc9 - github.com/opencontainers/selinux v1.3.3 + github.com/opencontainers/selinux v1.4.0 github.com/pkg/errors v0.9.1 github.com/pquerna/ffjson v0.0.0-20181028064349-e517b90714f7 github.com/sirupsen/logrus v1.4.2 diff --git a/vendor/github.com/containers/storage/go.sum b/vendor/github.com/containers/storage/go.sum index 6674a08f5..5d86e062f 100644 --- a/vendor/github.com/containers/storage/go.sum +++ b/vendor/github.com/containers/storage/go.sum @@ -55,8 +55,8 @@ github.com/opencontainers/runc v1.0.0-rc9 h1:/k06BMULKF5hidyoZymkoDCzdJzltZpz/UU github.com/opencontainers/runc v1.0.0-rc9/go.mod h1:qT5XzbpPznkRYVz/mWwUaVBUv2rmF59PVA73FjuZG0U= github.com/opencontainers/runtime-spec v0.1.2-0.20190507144316-5b71a03e2700/go.mod h1:jwyrGlmzljRJv/Fgzds9SsS/C5hL+LL3ko9hs6T5lQ0= github.com/opencontainers/runtime-tools v0.0.0-20181011054405-1d69bd0f9c39/go.mod h1:r3f7wjNzSs2extwzU3Y+6pKfobzPh+kKFJ3ofN+3nfs= -github.com/opencontainers/selinux v1.3.3 h1:RX0wAeqtvVSYQcr017X3pFXPkLEtB6V4NjRD7gVQgg4= -github.com/opencontainers/selinux v1.3.3/go.mod h1:yTcKuYAh6R95iDpefGLQaPaRwJFwyzAJufJyiTt7s0g= +github.com/opencontainers/selinux v1.4.0 h1:cpiX/2wWIju/6My60T6/z9CxNG7c8xTQyEmA9fChpUo= +github.com/opencontainers/selinux v1.4.0/go.mod h1:yTcKuYAh6R95iDpefGLQaPaRwJFwyzAJufJyiTt7s0g= github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I= github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4= diff --git a/vendor/github.com/containers/storage/pkg/mount/flags_freebsd.go b/vendor/github.com/containers/storage/pkg/mount/flags_freebsd.go deleted file mode 100644 index 5f76f331b..000000000 --- a/vendor/github.com/containers/storage/pkg/mount/flags_freebsd.go +++ /dev/null @@ -1,49 +0,0 @@ -// +build freebsd,cgo - -package mount - -/* -#include -*/ -import "C" - -const ( - // RDONLY will mount the filesystem as read-only. - RDONLY = C.MNT_RDONLY - - // NOSUID will not allow set-user-identifier or set-group-identifier bits to - // take effect. - NOSUID = C.MNT_NOSUID - - // NOEXEC will not allow execution of any binaries on the mounted file system. - NOEXEC = C.MNT_NOEXEC - - // SYNCHRONOUS will allow any I/O to the file system to be done synchronously. - SYNCHRONOUS = C.MNT_SYNCHRONOUS - - // NOATIME will not update the file access time when reading from a file. - NOATIME = C.MNT_NOATIME -) - -// These flags are unsupported. -const ( - BIND = 0 - DIRSYNC = 0 - MANDLOCK = 0 - NODEV = 0 - NODIRATIME = 0 - UNBINDABLE = 0 - RUNBINDABLE = 0 - PRIVATE = 0 - RPRIVATE = 0 - SHARED = 0 - RSHARED = 0 - SLAVE = 0 - RSLAVE = 0 - RBIND = 0 - RELATIVE = 0 - RELATIME = 0 - REMOUNT = 0 - STRICTATIME = 0 - mntDetach = 0 -) diff --git a/vendor/github.com/containers/storage/pkg/mount/flags_linux.go b/vendor/github.com/containers/storage/pkg/mount/flags_linux.go index a5dc5e287..0425d0dd6 100644 --- a/vendor/github.com/containers/storage/pkg/mount/flags_linux.go +++ b/vendor/github.com/containers/storage/pkg/mount/flags_linux.go @@ -82,4 +82,6 @@ const ( // it possible for the kernel to default to relatime or noatime but still // allow userspace to override it. STRICTATIME = unix.MS_STRICTATIME + + mntDetach = unix.MNT_DETACH ) diff --git a/vendor/github.com/containers/storage/pkg/mount/flags_unsupported.go b/vendor/github.com/containers/storage/pkg/mount/flags_unsupported.go index 9ed741e3f..9afd26d4c 100644 --- a/vendor/github.com/containers/storage/pkg/mount/flags_unsupported.go +++ b/vendor/github.com/containers/storage/pkg/mount/flags_unsupported.go @@ -1,4 +1,4 @@ -// +build !linux,!freebsd freebsd,!cgo solaris,!cgo +// +build !linux package mount diff --git a/vendor/github.com/containers/storage/pkg/mount/mount.go b/vendor/github.com/containers/storage/pkg/mount/mount.go index 7197448da..4276d63af 100644 --- a/vendor/github.com/containers/storage/pkg/mount/mount.go +++ b/vendor/github.com/containers/storage/pkg/mount/mount.go @@ -2,12 +2,47 @@ package mount import ( "sort" + "strconv" "strings" - "time" "github.com/containers/storage/pkg/fileutils" ) +// mountError holds an error from a mount or unmount operation +type mountError struct { + op string + source, target string + flags uintptr + data string + err error +} + +// Error returns a string representation of mountError +func (e *mountError) Error() string { + out := e.op + " " + + if e.source != "" { + out += e.source + ":" + e.target + } else { + out += e.target + } + + if e.flags != uintptr(0) { + out += ", flags: 0x" + strconv.FormatUint(uint64(e.flags), 16) + } + if e.data != "" { + out += ", data: " + e.data + } + + out += ": " + e.err.Error() + return out +} + +// Cause returns the underlying cause of the error +func (e *mountError) Cause() error { + return e.err +} + // GetMounts retrieves a list of mounts for the current running process. func GetMounts() ([]*Info, error) { return parseMountTable() @@ -39,13 +74,13 @@ func Mounted(mountpoint string) (bool, error) { // specified like the mount or fstab unix commands: "opt1=val1,opt2=val2". See // flags.go for supported option flags. func Mount(device, target, mType, options string) error { - flag, _ := ParseOptions(options) + flag, data := ParseOptions(options) if flag&REMOUNT != REMOUNT { if mounted, err := Mounted(target); err != nil || mounted { return err } } - return ForceMount(device, target, mType, options) + return mount(device, target, mType, uintptr(flag), data) } // ForceMount will mount a filesystem according to the specified configuration, @@ -60,14 +95,11 @@ func ForceMount(device, target, mType, options string) error { // Unmount lazily unmounts a filesystem on supported platforms, otherwise // does a normal unmount. func Unmount(target string) error { - if mounted, err := Mounted(target); err != nil || !mounted { - return err - } - return ForceUnmount(target) + return unmount(target, mntDetach) } // RecursiveUnmount unmounts the target and all mounts underneath, starting with -// the deepsest mount first. +// the deepest mount first. func RecursiveUnmount(target string) error { mounts, err := GetMounts() if err != nil { @@ -75,16 +107,16 @@ func RecursiveUnmount(target string) error { } // Make the deepest mount be first - sort.Sort(sort.Reverse(byMountpoint(mounts))) + sort.Slice(mounts, func(i, j int) bool { + return len(mounts[i].Mountpoint) > len(mounts[j].Mountpoint) + }) for i, m := range mounts { if !strings.HasPrefix(m.Mountpoint, target) { continue } if err := Unmount(m.Mountpoint); err != nil && i == len(mounts)-1 { - if mounted, err := Mounted(m.Mountpoint); err != nil || mounted { - return err - } + return err // Ignore errors for submounts and continue trying to unmount others // The final unmount should fail if there ane any submounts remaining } @@ -92,15 +124,10 @@ func RecursiveUnmount(target string) error { return nil } -// ForceUnmount will force an unmount of the target filesystem, regardless if -// it is mounted or not. -func ForceUnmount(target string) (err error) { - // Simple retry logic for unmount - for i := 0; i < 10; i++ { - if err = unmount(target, 0); err == nil { - return nil - } - time.Sleep(100 * time.Millisecond) - } - return nil +// ForceUnmount lazily unmounts a filesystem on supported platforms, +// otherwise does a normal unmount. +// +// Deprecated: please use Unmount instead, it is identical. +func ForceUnmount(target string) error { + return unmount(target, mntDetach) } diff --git a/vendor/github.com/containers/storage/pkg/mount/mounter_freebsd.go b/vendor/github.com/containers/storage/pkg/mount/mounter_freebsd.go index 814896cc9..b31cf99d0 100644 --- a/vendor/github.com/containers/storage/pkg/mount/mounter_freebsd.go +++ b/vendor/github.com/containers/storage/pkg/mount/mounter_freebsd.go @@ -14,8 +14,6 @@ import ( "fmt" "strings" "unsafe" - - "golang.org/x/sys/unix" ) func allocateIOVecs(options []string) []C.struct_iovec { @@ -54,7 +52,3 @@ func mount(device, target, mType string, flag uintptr, data string) error { } return nil } - -func unmount(target string, flag int) error { - return unix.Unmount(target, flag) -} diff --git a/vendor/github.com/containers/storage/pkg/mount/mounter_linux.go b/vendor/github.com/containers/storage/pkg/mount/mounter_linux.go index de47c7af8..594cd0881 100644 --- a/vendor/github.com/containers/storage/pkg/mount/mounter_linux.go +++ b/vendor/github.com/containers/storage/pkg/mount/mounter_linux.go @@ -35,25 +35,40 @@ func mount(device, target, mType string, flags uintptr, data string) error { // Initial call applying all non-propagation flags for mount // or remount with changed data if err := unix.Mount(device, target, mType, oflags, data); err != nil { - return err + return &mountError{ + op: "mount", + source: device, + target: target, + flags: oflags, + data: data, + err: err, + } } } if flags&ptypes != 0 { // Change the propagation type. if err := unix.Mount("", target, "", flags&pflags, ""); err != nil { - return err + return &mountError{ + op: "remount", + target: target, + flags: flags & pflags, + err: err, + } } } if oflags&broflags == broflags { // Remount the bind to apply read only. - return unix.Mount("", target, "", oflags|unix.MS_REMOUNT, "") + if err := unix.Mount("", target, "", oflags|unix.MS_REMOUNT, ""); err != nil { + return &mountError{ + op: "remount-ro", + target: target, + flags: oflags | unix.MS_REMOUNT, + err: err, + } + } } return nil } - -func unmount(target string, flag int) error { - return unix.Unmount(target, flag) -} diff --git a/vendor/github.com/containers/storage/pkg/mount/mounter_solaris.go b/vendor/github.com/containers/storage/pkg/mount/mounter_solaris.go deleted file mode 100644 index 48b86771e..000000000 --- a/vendor/github.com/containers/storage/pkg/mount/mounter_solaris.go +++ /dev/null @@ -1,34 +0,0 @@ -// +build solaris,cgo - -package mount - -import ( - "unsafe" - - "golang.org/x/sys/unix" -) - -// #include -// #include -// #include -// int Mount(const char *spec, const char *dir, int mflag, -// char *fstype, char *dataptr, int datalen, char *optptr, int optlen) { -// return mount(spec, dir, mflag, fstype, dataptr, datalen, optptr, optlen); -// } -import "C" - -func mount(device, target, mType string, flag uintptr, data string) error { - spec := C.CString(device) - dir := C.CString(target) - fstype := C.CString(mType) - _, err := C.Mount(spec, dir, C.int(flag), fstype, nil, 0, nil, 0) - C.free(unsafe.Pointer(spec)) - C.free(unsafe.Pointer(dir)) - C.free(unsafe.Pointer(fstype)) - return err -} - -func unmount(target string, flag int) error { - err := unix.Unmount(target, flag) - return err -} diff --git a/vendor/github.com/containers/storage/pkg/mount/mounter_unsupported.go b/vendor/github.com/containers/storage/pkg/mount/mounter_unsupported.go index a2a3bb457..42d1d422c 100644 --- a/vendor/github.com/containers/storage/pkg/mount/mounter_unsupported.go +++ b/vendor/github.com/containers/storage/pkg/mount/mounter_unsupported.go @@ -1,11 +1,7 @@ -// +build !linux,!freebsd,!solaris freebsd,!cgo solaris,!cgo +// +build !linux package mount func mount(device, target, mType string, flag uintptr, data string) error { panic("Not implemented") } - -func unmount(target string, flag int) error { - panic("Not implemented") -} diff --git a/vendor/github.com/containers/storage/pkg/mount/mountinfo.go b/vendor/github.com/containers/storage/pkg/mount/mountinfo.go index ff4cc1d86..e3fc3535e 100644 --- a/vendor/github.com/containers/storage/pkg/mount/mountinfo.go +++ b/vendor/github.com/containers/storage/pkg/mount/mountinfo.go @@ -38,17 +38,3 @@ type Info struct { // VfsOpts represents per super block options. VfsOpts string } - -type byMountpoint []*Info - -func (by byMountpoint) Len() int { - return len(by) -} - -func (by byMountpoint) Less(i, j int) bool { - return by[i].Mountpoint < by[j].Mountpoint -} - -func (by byMountpoint) Swap(i, j int) { - by[i], by[j] = by[j], by[i] -} diff --git a/vendor/github.com/containers/storage/pkg/mount/mountinfo_linux.go b/vendor/github.com/containers/storage/pkg/mount/mountinfo_linux.go index be69fee1d..19556d06b 100644 --- a/vendor/github.com/containers/storage/pkg/mount/mountinfo_linux.go +++ b/vendor/github.com/containers/storage/pkg/mount/mountinfo_linux.go @@ -1,5 +1,3 @@ -// +build linux - package mount import ( @@ -7,25 +5,10 @@ import ( "fmt" "io" "os" + "strconv" "strings" -) -const ( - /* 36 35 98:0 /mnt1 /mnt2 rw,noatime master:1 - ext3 /dev/root rw,errors=continue - (1)(2)(3) (4) (5) (6) (7) (8) (9) (10) (11) - - (1) mount ID: unique identifier of the mount (may be reused after umount) - (2) parent ID: ID of parent (or of self for the top of the mount tree) - (3) major:minor: value of st_dev for files on filesystem - (4) root: root of the mount within the filesystem - (5) mount point: mount point relative to the process's root - (6) mount options: per mount options - (7) optional fields: zero or more fields of the form "tag[:value]" - (8) separator: marks the end of the optional fields - (9) filesystem type: name of filesystem of the form "type[.subtype]" - (10) mount source: filesystem specific information or "none" - (11) super options: per super block options*/ - mountinfoFormat = "%d %d %d:%d %s %s %s %s" + "github.com/pkg/errors" ) // Parse /proc/self/mountinfo because comparing Dev and ino does not work from @@ -41,43 +24,85 @@ func parseMountTable() ([]*Info, error) { } func parseInfoFile(r io.Reader) ([]*Info, error) { - var ( - s = bufio.NewScanner(r) - out = []*Info{} - ) + s := bufio.NewScanner(r) + out := []*Info{} for s.Scan() { - if err := s.Err(); err != nil { - return nil, err + /* + 36 35 98:0 /mnt1 /mnt2 rw,noatime master:1 - ext3 /dev/root rw,errors=continue + (0)(1)(2) (3) (4) (5) (6) (7) (8) (9) (10) + + (0) mount ID: unique identifier of the mount (may be reused after umount) + (1) parent ID: ID of parent (or of self for the top of the mount tree) + (2) major:minor: value of st_dev for files on filesystem + (3) root: root of the mount within the filesystem + (4) mount point: mount point relative to the process's root + (5) mount options: per mount options + (6) optional fields: zero or more fields of the form "tag[:value]" + (7) separator: marks the end of the optional fields + (8) filesystem type: name of filesystem of the form "type[.subtype]" + (9) mount source: filesystem specific information or "none" + (10) super options: per super block options + */ + text := s.Text() + fields := strings.Split(text, " ") + numFields := len(fields) + if numFields < 10 { + // should be at least 10 fields + return nil, errors.Errorf("Parsing %q failed: not enough fields (%d)", text, numFields) } - var ( - p = &Info{} - text = s.Text() - optionalFields string - ) + p := &Info{} + // ignore any number parsing errors, there should not be any + p.ID, _ = strconv.Atoi(fields[0]) + p.Parent, _ = strconv.Atoi(fields[1]) + mm := strings.Split(fields[2], ":") + if len(mm) != 2 { + return nil, fmt.Errorf("Parsing %q failed: unexpected minor:major pair %s", text, mm) + } + p.Major, _ = strconv.Atoi(mm[0]) + p.Minor, _ = strconv.Atoi(mm[1]) + p.Root = fields[3] + p.Mountpoint = fields[4] + p.Opts = fields[5] - if _, err := fmt.Sscanf(text, mountinfoFormat, - &p.ID, &p.Parent, &p.Major, &p.Minor, - &p.Root, &p.Mountpoint, &p.Opts, &optionalFields); err != nil { - return nil, fmt.Errorf("Scanning '%s' failed: %s", text, err) + // one or more optional fields, when a separator (-) + i := 6 + for ; i < numFields && fields[i] != "-"; i++ { + switch i { + case 6: + p.Optional = string(fields[6]) + default: + /* NOTE there might be more optional fields before the separator, + such as fields[7] or fields[8], although as of Linux kernel 5.5 + the only known ones are mount propagation flags in fields[6]. + The correct behavior is to ignore any unknown optional fields. + */ + } } - // Safe as mountinfo encodes mountpoints with spaces as \040. - index := strings.Index(text, " - ") - postSeparatorFields := strings.Fields(text[index+3:]) - if len(postSeparatorFields) < 3 { - return nil, fmt.Errorf("Error found less than 3 fields post '-' in %q", text) + if i == numFields { + return nil, fmt.Errorf("Parsing %q failed: missing - separator", text) } - if optionalFields != "-" { - p.Optional = optionalFields + // There should be 3 fields after the separator... + if i+4 > numFields { + return nil, fmt.Errorf("Parsing %q failed: not enough fields after a - separator", text) } + // ... but in Linux <= 3.9 mounting a cifs with spaces in a share name + // (like "//serv/My Documents") _may_ end up having a space in the last field + // of mountinfo (like "unc=//serv/My Documents"). Since kernel 3.10-rc1, cifs + // option unc= is ignored, so a space should not appear. In here we ignore + // those "extra" fields caused by extra spaces. + p.Fstype = fields[i+1] + p.Source = fields[i+2] + p.VfsOpts = fields[i+3] - p.Fstype = postSeparatorFields[0] - p.Source = postSeparatorFields[1] - p.VfsOpts = strings.Join(postSeparatorFields[2:], " ") out = append(out, p) } + if err := s.Err(); err != nil { + return nil, err + } + return out, nil } diff --git a/vendor/github.com/containers/storage/pkg/mount/mountinfo_solaris.go b/vendor/github.com/containers/storage/pkg/mount/mountinfo_solaris.go deleted file mode 100644 index ad9ab57f8..000000000 --- a/vendor/github.com/containers/storage/pkg/mount/mountinfo_solaris.go +++ /dev/null @@ -1,37 +0,0 @@ -// +build solaris,cgo - -package mount - -/* -#include -#include -*/ -import "C" - -import ( - "fmt" -) - -func parseMountTable() ([]*Info, error) { - mnttab := C.fopen(C.CString(C.MNTTAB), C.CString("r")) - if mnttab == nil { - return nil, fmt.Errorf("Failed to open %s", C.MNTTAB) - } - - var out []*Info - var mp C.struct_mnttab - - ret := C.getmntent(mnttab, &mp) - for ret == 0 { - var mountinfo Info - mountinfo.Mountpoint = C.GoString(mp.mnt_mountp) - mountinfo.Source = C.GoString(mp.mnt_special) - mountinfo.Fstype = C.GoString(mp.mnt_fstype) - mountinfo.Opts = C.GoString(mp.mnt_mntopts) - out = append(out, &mountinfo) - ret = C.getmntent(mnttab, &mp) - } - - C.fclose(mnttab) - return out, nil -} diff --git a/vendor/github.com/containers/storage/pkg/mount/mountinfo_unsupported.go b/vendor/github.com/containers/storage/pkg/mount/mountinfo_unsupported.go index 7fbcf1921..6cde1ed77 100644 --- a/vendor/github.com/containers/storage/pkg/mount/mountinfo_unsupported.go +++ b/vendor/github.com/containers/storage/pkg/mount/mountinfo_unsupported.go @@ -1,4 +1,4 @@ -// +build !windows,!linux,!freebsd,!solaris freebsd,!cgo solaris,!cgo +// +build !linux package mount diff --git a/vendor/github.com/containers/storage/pkg/mount/mountinfo_windows.go b/vendor/github.com/containers/storage/pkg/mount/mountinfo_windows.go deleted file mode 100644 index dab8a37ed..000000000 --- a/vendor/github.com/containers/storage/pkg/mount/mountinfo_windows.go +++ /dev/null @@ -1,6 +0,0 @@ -package mount - -func parseMountTable() ([]*Info, error) { - // Do NOT return an error! - return nil, nil -} diff --git a/vendor/github.com/containers/storage/pkg/mount/sharedsubtree_linux.go b/vendor/github.com/containers/storage/pkg/mount/sharedsubtree_linux.go index 8ceec84bc..80922ad5c 100644 --- a/vendor/github.com/containers/storage/pkg/mount/sharedsubtree_linux.go +++ b/vendor/github.com/containers/storage/pkg/mount/sharedsubtree_linux.go @@ -1,69 +1,64 @@ -// +build linux - package mount // MakeShared ensures a mounted filesystem has the SHARED mount option enabled. // See the supported options in flags.go for further reference. func MakeShared(mountPoint string) error { - return ensureMountedAs(mountPoint, "shared") + return ensureMountedAs(mountPoint, SHARED) } // MakeRShared ensures a mounted filesystem has the RSHARED mount option enabled. // See the supported options in flags.go for further reference. func MakeRShared(mountPoint string) error { - return ensureMountedAs(mountPoint, "rshared") + return ensureMountedAs(mountPoint, RSHARED) } // MakePrivate ensures a mounted filesystem has the PRIVATE mount option enabled. // See the supported options in flags.go for further reference. func MakePrivate(mountPoint string) error { - return ensureMountedAs(mountPoint, "private") + return ensureMountedAs(mountPoint, PRIVATE) } // MakeRPrivate ensures a mounted filesystem has the RPRIVATE mount option // enabled. See the supported options in flags.go for further reference. func MakeRPrivate(mountPoint string) error { - return ensureMountedAs(mountPoint, "rprivate") + return ensureMountedAs(mountPoint, RPRIVATE) } // MakeSlave ensures a mounted filesystem has the SLAVE mount option enabled. // See the supported options in flags.go for further reference. func MakeSlave(mountPoint string) error { - return ensureMountedAs(mountPoint, "slave") + return ensureMountedAs(mountPoint, SLAVE) } // MakeRSlave ensures a mounted filesystem has the RSLAVE mount option enabled. // See the supported options in flags.go for further reference. func MakeRSlave(mountPoint string) error { - return ensureMountedAs(mountPoint, "rslave") + return ensureMountedAs(mountPoint, RSLAVE) } // MakeUnbindable ensures a mounted filesystem has the UNBINDABLE mount option // enabled. See the supported options in flags.go for further reference. func MakeUnbindable(mountPoint string) error { - return ensureMountedAs(mountPoint, "unbindable") + return ensureMountedAs(mountPoint, UNBINDABLE) } // MakeRUnbindable ensures a mounted filesystem has the RUNBINDABLE mount // option enabled. See the supported options in flags.go for further reference. func MakeRUnbindable(mountPoint string) error { - return ensureMountedAs(mountPoint, "runbindable") + return ensureMountedAs(mountPoint, RUNBINDABLE) } -func ensureMountedAs(mountPoint, options string) error { - mounted, err := Mounted(mountPoint) +func ensureMountedAs(mnt string, flags int) error { + mounted, err := Mounted(mnt) if err != nil { return err } if !mounted { - if err := Mount(mountPoint, mountPoint, "none", "bind,rw"); err != nil { + if err := mount(mnt, mnt, "none", uintptr(BIND), ""); err != nil { return err } } - if _, err = Mounted(mountPoint); err != nil { - return err - } - return ForceMount("", mountPoint, "none", options) + return mount("", mnt, "none", uintptr(flags), "") } diff --git a/vendor/github.com/containers/storage/pkg/mount/sharedsubtree_solaris.go b/vendor/github.com/containers/storage/pkg/mount/sharedsubtree_solaris.go deleted file mode 100644 index 09f6b03cb..000000000 --- a/vendor/github.com/containers/storage/pkg/mount/sharedsubtree_solaris.go +++ /dev/null @@ -1,58 +0,0 @@ -// +build solaris - -package mount - -// MakeShared ensures a mounted filesystem has the SHARED mount option enabled. -// See the supported options in flags.go for further reference. -func MakeShared(mountPoint string) error { - return ensureMountedAs(mountPoint, "shared") -} - -// MakeRShared ensures a mounted filesystem has the RSHARED mount option enabled. -// See the supported options in flags.go for further reference. -func MakeRShared(mountPoint string) error { - return ensureMountedAs(mountPoint, "rshared") -} - -// MakePrivate ensures a mounted filesystem has the PRIVATE mount option enabled. -// See the supported options in flags.go for further reference. -func MakePrivate(mountPoint string) error { - return ensureMountedAs(mountPoint, "private") -} - -// MakeRPrivate ensures a mounted filesystem has the RPRIVATE mount option -// enabled. See the supported options in flags.go for further reference. -func MakeRPrivate(mountPoint string) error { - return ensureMountedAs(mountPoint, "rprivate") -} - -// MakeSlave ensures a mounted filesystem has the SLAVE mount option enabled. -// See the supported options in flags.go for further reference. -func MakeSlave(mountPoint string) error { - return ensureMountedAs(mountPoint, "slave") -} - -// MakeRSlave ensures a mounted filesystem has the RSLAVE mount option enabled. -// See the supported options in flags.go for further reference. -func MakeRSlave(mountPoint string) error { - return ensureMountedAs(mountPoint, "rslave") -} - -// MakeUnbindable ensures a mounted filesystem has the UNBINDABLE mount option -// enabled. See the supported options in flags.go for further reference. -func MakeUnbindable(mountPoint string) error { - return ensureMountedAs(mountPoint, "unbindable") -} - -// MakeRUnbindable ensures a mounted filesystem has the RUNBINDABLE mount -// option enabled. See the supported options in flags.go for further reference. -func MakeRUnbindable(mountPoint string) error { - return ensureMountedAs(mountPoint, "runbindable") -} - -func ensureMountedAs(mountPoint, options string) error { - // TODO: Solaris does not support bind mounts. - // Evaluate lofs and also look at the relevant - // mount flags to be supported. - return nil -} diff --git a/vendor/github.com/containers/storage/pkg/mount/unmount_unix.go b/vendor/github.com/containers/storage/pkg/mount/unmount_unix.go new file mode 100644 index 000000000..1d1afeee2 --- /dev/null +++ b/vendor/github.com/containers/storage/pkg/mount/unmount_unix.go @@ -0,0 +1,22 @@ +// +build !windows + +package mount + +import "golang.org/x/sys/unix" + +func unmount(target string, flags int) error { + err := unix.Unmount(target, flags) + if err == nil || err == unix.EINVAL { + // Ignore "not mounted" error here. Note the same error + // can be returned if flags are invalid, so this code + // assumes that the flags value is always correct. + return nil + } + + return &mountError{ + op: "umount", + target: target, + flags: uintptr(flags), + err: err, + } +} diff --git a/vendor/github.com/containers/storage/pkg/mount/unmount_unsupported.go b/vendor/github.com/containers/storage/pkg/mount/unmount_unsupported.go new file mode 100644 index 000000000..eebc4ab84 --- /dev/null +++ b/vendor/github.com/containers/storage/pkg/mount/unmount_unsupported.go @@ -0,0 +1,7 @@ +// +build windows + +package mount + +func unmount(target string, flag int) error { + panic("Not implemented") +} diff --git a/vendor/github.com/containers/storage/pkg/system/lstat_unix.go b/vendor/github.com/containers/storage/pkg/system/lstat_unix.go index bd23c4d50..e9d301f09 100644 --- a/vendor/github.com/containers/storage/pkg/system/lstat_unix.go +++ b/vendor/github.com/containers/storage/pkg/system/lstat_unix.go @@ -3,6 +3,7 @@ package system import ( + "os" "syscall" ) @@ -13,7 +14,7 @@ import ( func Lstat(path string) (*StatT, error) { s := &syscall.Stat_t{} if err := syscall.Lstat(path, s); err != nil { - return nil, err + return nil, &os.PathError{"Lstat", path, err} } return fromStatT(s) } diff --git a/vendor/github.com/containers/storage/pkg/system/rm.go b/vendor/github.com/containers/storage/pkg/system/rm.go index b1599d23f..618c1dc75 100644 --- a/vendor/github.com/containers/storage/pkg/system/rm.go +++ b/vendor/github.com/containers/storage/pkg/system/rm.go @@ -34,7 +34,7 @@ func EnsureRemoveAll(dir string) error { for { err := os.RemoveAll(dir) if err == nil { - return err + return nil } pe, ok := err.(*os.PathError) @@ -63,12 +63,8 @@ func EnsureRemoveAll(dir string) error { return err } - if mounted, _ := mount.Mounted(pe.Path); mounted { - if e := mount.Unmount(pe.Path); e != nil { - if mounted, _ := mount.Mounted(pe.Path); mounted { - return errors.Wrapf(e, "error while removing %s", dir) - } - } + if e := mount.Unmount(pe.Path); e != nil { + return errors.Wrapf(e, "error while removing %s", dir) } if exitOnErr[pe.Path] == maxRetry { diff --git a/vendor/github.com/containers/storage/pkg/system/stat_unix.go b/vendor/github.com/containers/storage/pkg/system/stat_unix.go index f9a1b4877..2fac918bf 100644 --- a/vendor/github.com/containers/storage/pkg/system/stat_unix.go +++ b/vendor/github.com/containers/storage/pkg/system/stat_unix.go @@ -3,6 +3,8 @@ package system import ( + "os" + "strconv" "syscall" ) @@ -54,7 +56,7 @@ func (s StatT) Mtim() syscall.Timespec { func Stat(path string) (*StatT, error) { s := &syscall.Stat_t{} if err := syscall.Stat(path, s); err != nil { - return nil, err + return nil, &os.PathError{Op: "Stat", Path: path, Err: err} } return fromStatT(s) } @@ -66,7 +68,7 @@ func Stat(path string) (*StatT, error) { func Fstat(fd int) (*StatT, error) { s := &syscall.Stat_t{} if err := syscall.Fstat(fd, s); err != nil { - return nil, err + return nil, &os.PathError{Op: "Fstat", Path: strconv.Itoa(fd), Err: err} } return fromStatT(s) } diff --git a/vendor/github.com/opencontainers/selinux/go-selinux/label/label.go b/vendor/github.com/opencontainers/selinux/go-selinux/label/label.go index e178568fd..6e38d3d32 100644 --- a/vendor/github.com/opencontainers/selinux/go-selinux/label/label.go +++ b/vendor/github.com/opencontainers/selinux/go-selinux/label/label.go @@ -1,109 +1,77 @@ -// +build !selinux !linux - package label -// InitLabels returns the process label and file labels to be used within -// the container. A list of options can be passed into this function to alter -// the labels. -func InitLabels(options []string) (string, string, error) { - return "", "", nil -} - -func ROMountLabel() string { - return "" -} - -func GenLabels(options string) (string, string, error) { - return "", "", nil -} +import ( + "github.com/opencontainers/selinux/go-selinux" +) -func FormatMountLabel(src string, mountLabel string) string { - return src -} +// Deprecated: use selinux.ROFileLabel +var ROMountLabel = selinux.ROFileLabel -func SetProcessLabel(processLabel string) error { - return nil -} +// SetProcessLabel takes a process label and tells the kernel to assign the +// label to the next program executed by the current process. +// Deprecated: use selinux.SetExecLabel +var SetProcessLabel = selinux.SetExecLabel -func ProcessLabel() (string, error) { - return "", nil -} +// ProcessLabel returns the process label that the kernel will assign +// to the next program executed by the current process. If "" is returned +// this indicates that the default labeling will happen for the process. +// Deprecated: use selinux.ExecLabel +var ProcessLabel = selinux.ExecLabel -func SetSocketLabel(processLabel string) error { - return nil -} +// SetSocketLabel takes a process label and tells the kernel to assign the +// label to the next socket that gets created +// Deprecated: use selinux.SetSocketLabel +var SetSocketLabel = selinux.SetSocketLabel -func SocketLabel() (string, error) { - return "", nil -} +// SocketLabel retrieves the current default socket label setting +// Deprecated: use selinux.SocketLabel +var SocketLabel = selinux.SocketLabel -func SetKeyLabel(processLabel string) error { - return nil -} +// SetKeyLabel takes a process label and tells the kernel to assign the +// label to the next kernel keyring that gets created +// Deprecated: use selinux.SetKeyLabel +var SetKeyLabel = selinux.SetKeyLabel -func KeyLabel() (string, error) { - return "", nil -} +// KeyLabel retrieves the current default kernel keyring label setting +// Deprecated: use selinux.KeyLabel +var KeyLabel = selinux.KeyLabel -func FileLabel(path string) (string, error) { - return "", nil -} +// FileLabel returns the label for specified path +// Deprecated: use selinux.FileLabel +var FileLabel = selinux.FileLabel -func SetFileLabel(path string, fileLabel string) error { - return nil -} - -func SetFileCreateLabel(fileLabel string) error { - return nil -} - -func Relabel(path string, fileLabel string, shared bool) error { - return nil -} - -func PidLabel(pid int) (string, error) { - return "", nil -} +// PidLabel will return the label of the process running with the specified pid +// Deprecated: use selinux.PidLabel +var PidLabel = selinux.PidLabel +// Init initialises the labeling system func Init() { + selinux.GetEnabled() } -// ClearLabels clears all reserved labels -func ClearLabels() { - return -} +// ClearLabels will clear all reserved labels +// Deprecated: use selinux.ClearLabels +var ClearLabels = selinux.ClearLabels +// ReserveLabel will record the fact that the MCS label has already been used. +// This will prevent InitLabels from using the MCS label in a newly created +// container +// Deprecated: use selinux.ReserveLabel func ReserveLabel(label string) error { + selinux.ReserveLabel(label) return nil } +// ReleaseLabel will remove the reservation of the MCS label. +// This will allow InitLabels to use the MCS label in a newly created +// containers +// Deprecated: use selinux.ReleaseLabel func ReleaseLabel(label string) error { + selinux.ReleaseLabel(label) return nil } // DupSecOpt takes a process label and returns security options that // can be used to set duplicate labels on future container processes -func DupSecOpt(src string) ([]string, error) { - return nil, nil -} - -// DisableSecOpt returns a security opt that can disable labeling -// support for future container processes -func DisableSecOpt() []string { - return nil -} - -// Validate checks that the label does not include unexpected options -func Validate(label string) error { - return nil -} - -// RelabelNeeded checks whether the user requested a relabel -func RelabelNeeded(label string) bool { - return false -} - -// IsShared checks that the label includes a "shared" mark -func IsShared(label string) bool { - return false -} +// Deprecated: use selinux.DupSecOpt +var DupSecOpt = selinux.DupSecOpt diff --git a/vendor/github.com/opencontainers/selinux/go-selinux/label/label_selinux.go b/vendor/github.com/opencontainers/selinux/go-selinux/label/label_selinux.go index 2730fcf4a..903829958 100644 --- a/vendor/github.com/opencontainers/selinux/go-selinux/label/label_selinux.go +++ b/vendor/github.com/opencontainers/selinux/go-selinux/label/label_selinux.go @@ -9,6 +9,7 @@ import ( "strings" "github.com/opencontainers/selinux/go-selinux" + "github.com/pkg/errors" ) // Valid Label Options @@ -21,7 +22,7 @@ var validOptions = map[string]bool{ "level": true, } -var ErrIncompatibleLabel = fmt.Errorf("Bad SELinux option z and Z can not be used together") +var ErrIncompatibleLabel = errors.New("Bad SELinux option z and Z can not be used together") // InitLabels returns the process label and file labels to be used within // the container. A list of options can be passed into this function to alter @@ -35,7 +36,7 @@ func InitLabels(options []string) (plabel string, mlabel string, Err error) { if processLabel != "" { defer func() { if Err != nil { - ReleaseLabel(mountLabel) + selinux.ReleaseLabel(mountLabel) } }() pcon, err := selinux.NewContext(processLabel) @@ -52,11 +53,11 @@ func InitLabels(options []string) (plabel string, mlabel string, Err error) { return "", mountLabel, nil } if i := strings.Index(opt, ":"); i == -1 { - return "", "", fmt.Errorf("Bad label option %q, valid options 'disable' or \n'user, role, level, type, filetype' followed by ':' and a value", opt) + return "", "", errors.Errorf("Bad label option %q, valid options 'disable' or \n'user, role, level, type, filetype' followed by ':' and a value", opt) } con := strings.SplitN(opt, ":", 2) if !validOptions[con[0]] { - return "", "", fmt.Errorf("Bad label option %q, valid options 'disable, user, role, level, type, filetype'", con[0]) + return "", "", errors.Errorf("Bad label option %q, valid options 'disable, user, role, level, type, filetype'", con[0]) } if con[0] == "filetype" { @@ -67,19 +68,16 @@ func InitLabels(options []string) (plabel string, mlabel string, Err error) { mcon[con[0]] = con[1] } } - _ = ReleaseLabel(processLabel) + selinux.ReleaseLabel(processLabel) processLabel = pcon.Get() mountLabel = mcon.Get() - _ = ReserveLabel(processLabel) + selinux.ReserveLabel(processLabel) } return processLabel, mountLabel, nil } -func ROMountLabel() string { - return selinux.ROFileLabel() -} - -// DEPRECATED: The GenLabels function is only to be used during the transition to the official API. +// Deprecated: The GenLabels function is only to be used during the transition +// to the official API. Use InitLabels(strings.Fields(options)) instead. func GenLabels(options string) (string, string, error) { return InitLabels(strings.Fields(options)) } @@ -102,71 +100,27 @@ func FormatMountLabel(src, mountLabel string) string { return src } -// SetProcessLabel takes a process label and tells the kernel to assign the -// label to the next program executed by the current process. -func SetProcessLabel(processLabel string) error { - return selinux.SetExecLabel(processLabel) -} - -// SetSocketLabel takes a process label and tells the kernel to assign the -// label to the next socket that gets created -func SetSocketLabel(processLabel string) error { - return selinux.SetSocketLabel(processLabel) -} - -// SocketLabel retrieves the current default socket label setting -func SocketLabel() (string, error) { - return selinux.SocketLabel() -} - -// SetKeyLabel takes a process label and tells the kernel to assign the -// label to the next kernel keyring that gets created -func SetKeyLabel(processLabel string) error { - return selinux.SetKeyLabel(processLabel) -} - -// KeyLabel retrieves the current default kernel keyring label setting -func KeyLabel() (string, error) { - return selinux.KeyLabel() -} - -// ProcessLabel returns the process label that the kernel will assign -// to the next program executed by the current process. If "" is returned -// this indicates that the default labeling will happen for the process. -func ProcessLabel() (string, error) { - return selinux.ExecLabel() -} - -// FileLabel returns the label for specified path -func FileLabel(path string) (string, error) { - return selinux.FileLabel(path) -} - // SetFileLabel modifies the "path" label to the specified file label func SetFileLabel(path string, fileLabel string) error { - if selinux.GetEnabled() && fileLabel != "" { - return selinux.SetFileLabel(path, fileLabel) + if !selinux.GetEnabled() || fileLabel == "" { + return nil } - return nil + return selinux.SetFileLabel(path, fileLabel) } // SetFileCreateLabel tells the kernel the label for all files to be created func SetFileCreateLabel(fileLabel string) error { - if selinux.GetEnabled() { - return selinux.SetFSCreateLabel(fileLabel) + if !selinux.GetEnabled() { + return nil } - return nil + return selinux.SetFSCreateLabel(fileLabel) } // Relabel changes the label of path to the filelabel string. // It changes the MCS label to s0 if shared is true. // This will allow all containers to share the content. func Relabel(path string, fileLabel string, shared bool) error { - if !selinux.GetEnabled() { - return nil - } - - if fileLabel == "" { + if !selinux.GetEnabled() || fileLabel == "" { return nil } @@ -211,7 +165,7 @@ func Relabel(path string, fileLabel string, shared bool) error { path = strings.TrimSuffix(path, "/") } if exclude_paths[path] { - return fmt.Errorf("SELinux relabeling of %s is not allowed", path) + return errors.Errorf("SELinux relabeling of %s is not allowed", path) } if shared { @@ -229,48 +183,10 @@ func Relabel(path string, fileLabel string, shared bool) error { return nil } -// PidLabel will return the label of the process running with the specified pid -func PidLabel(pid int) (string, error) { - return selinux.PidLabel(pid) -} - -// Init initialises the labeling system -func Init() { - selinux.GetEnabled() -} - -// ClearLabels will clear all reserved labels -func ClearLabels() { - selinux.ClearLabels() -} - -// ReserveLabel will record the fact that the MCS label has already been used. -// This will prevent InitLabels from using the MCS label in a newly created -// container -func ReserveLabel(label string) error { - selinux.ReserveLabel(label) - return nil -} - -// ReleaseLabel will remove the reservation of the MCS label. -// This will allow InitLabels to use the MCS label in a newly created -// containers -func ReleaseLabel(label string) error { - selinux.ReleaseLabel(label) - return nil -} - -// DupSecOpt takes a process label and returns security options that -// can be used to set duplicate labels on future container processes -func DupSecOpt(src string) ([]string, error) { - return selinux.DupSecOpt(src) -} - // DisableSecOpt returns a security opt that can disable labeling // support for future container processes -func DisableSecOpt() []string { - return selinux.DisableSecOpt() -} +// Deprecated: use selinux.DisableSecOpt +var DisableSecOpt = selinux.DisableSecOpt // Validate checks that the label does not include unexpected options func Validate(label string) error { diff --git a/vendor/github.com/opencontainers/selinux/go-selinux/label/label_stub.go b/vendor/github.com/opencontainers/selinux/go-selinux/label/label_stub.go new file mode 100644 index 000000000..cda59d671 --- /dev/null +++ b/vendor/github.com/opencontainers/selinux/go-selinux/label/label_stub.go @@ -0,0 +1,54 @@ +// +build !selinux !linux + +package label + +// InitLabels returns the process label and file labels to be used within +// the container. A list of options can be passed into this function to alter +// the labels. +func InitLabels(options []string) (string, string, error) { + return "", "", nil +} + +// Deprecated: The GenLabels function is only to be used during the transition +// to the official API. Use InitLabels(strings.Fields(options)) instead. +func GenLabels(options string) (string, string, error) { + return "", "", nil +} + +func FormatMountLabel(src string, mountLabel string) string { + return src +} + +func SetFileLabel(path string, fileLabel string) error { + return nil +} + +func SetFileCreateLabel(fileLabel string) error { + return nil +} + +func Relabel(path string, fileLabel string, shared bool) error { + return nil +} + +// DisableSecOpt returns a security opt that can disable labeling +// support for future container processes +func DisableSecOpt() []string { + // TODO the selinux.DisableSecOpt stub returns []string{"disable"} instead of "nil" + return nil +} + +// Validate checks that the label does not include unexpected options +func Validate(label string) error { + return nil +} + +// RelabelNeeded checks whether the user requested a relabel +func RelabelNeeded(label string) bool { + return false +} + +// IsShared checks that the label includes a "shared" mark +func IsShared(label string) bool { + return false +} diff --git a/vendor/github.com/opencontainers/selinux/go-selinux/selinux_linux.go b/vendor/github.com/opencontainers/selinux/go-selinux/selinux_linux.go index c51ddfda2..599bdb6e2 100644 --- a/vendor/github.com/opencontainers/selinux/go-selinux/selinux_linux.go +++ b/vendor/github.com/opencontainers/selinux/go-selinux/selinux_linux.go @@ -17,8 +17,8 @@ import ( "strconv" "strings" "sync" - "syscall" + "github.com/opencontainers/selinux/pkg/pwalk" "github.com/pkg/errors" "golang.org/x/sys/unix" ) @@ -37,7 +37,6 @@ const ( selinuxTypeTag = "SELINUXTYPE" selinuxTag = "SELINUX" xattrNameSelinux = "security.selinux" - stRdOnly = 0x01 ) type selinuxState struct { @@ -103,13 +102,13 @@ func SetDisabled() { } func verifySELinuxfsMount(mnt string) bool { - var buf syscall.Statfs_t + var buf unix.Statfs_t for { - err := syscall.Statfs(mnt, &buf) + err := unix.Statfs(mnt, &buf) if err == nil { break } - if err == syscall.EAGAIN { + if err == unix.EAGAIN { continue } return false @@ -118,7 +117,7 @@ func verifySELinuxfsMount(mnt string) bool { if uint32(buf.Type) != uint32(unix.SELINUX_MAGIC) { return false } - if (buf.Flags & stRdOnly) != 0 { + if (buf.Flags & unix.ST_RDONLY) != 0 { return false } @@ -251,10 +250,10 @@ func isProcHandle(fh *os.File) error { var buf unix.Statfs_t err := unix.Fstatfs(int(fh.Fd()), &buf) if err != nil { - return fmt.Errorf("statfs(%q) failed: %v", fh.Name(), err) + return errors.Wrapf(err, "statfs(%q) failed", fh.Name()) } if buf.Type != unix.PROC_SUPER_MAGIC { - return fmt.Errorf("file %q is not on procfs", fh.Name()) + return errors.Errorf("file %q is not on procfs", fh.Name()) } return nil @@ -282,12 +281,29 @@ func readCon(fpath string) (string, error) { return strings.Trim(retval, "\x00"), nil } +// ClassIndex returns the int index for an object class in the loaded policy, or -1 and an error +func ClassIndex(class string) (int, error) { + permpath := fmt.Sprintf("class/%s/index", class) + indexpath := filepath.Join(getSelinuxMountPoint(), permpath) + + indexB, err := ioutil.ReadFile(indexpath) + if err != nil { + return -1, err + } + index, err := strconv.Atoi(string(indexB)) + if err != nil { + return -1, err + } + + return index, nil +} + // SetFileLabel sets the SELinux label for this path or returns an error. func SetFileLabel(fpath string, label string) error { if fpath == "" { return ErrEmptyPath } - if err := lsetxattr(fpath, xattrNameSelinux, []byte(label), 0); err != nil { + if err := unix.Lsetxattr(fpath, xattrNameSelinux, []byte(label), 0); err != nil { return errors.Wrapf(err, "failed to set file label on %s", fpath) } return nil @@ -390,7 +406,7 @@ func attrPath(attr string) string { return path.Join(threadSelfPrefix, attr) } - return path.Join("/proc/self/task/", strconv.Itoa(syscall.Gettid()), "/attr/", attr) + return path.Join("/proc/self/task/", strconv.Itoa(unix.Gettid()), "/attr/", attr) } func readAttr(attr string) (string, error) { @@ -410,6 +426,18 @@ func CanonicalizeContext(val string) (string, error) { return readWriteCon(filepath.Join(getSelinuxMountPoint(), "context"), val) } +/* +ComputeCreateContext requests the type transition from source to target for class from the kernel. +*/ +func ComputeCreateContext(source string, target string, class string) (string, error) { + classidx, err := ClassIndex(class) + if err != nil { + return "", err + } + + return readWriteCon(filepath.Join(getSelinuxMountPoint(), "create"), fmt.Sprintf("%s %s %d", source, target, classidx)) +} + func readWriteCon(fpath string, val string) (string, error) { if fpath == "" { return "", ErrEmptyPath @@ -461,17 +489,17 @@ func SocketLabel() (string, error) { // PeerLabel retrieves the label of the client on the other side of a socket func PeerLabel(fd uintptr) (string, error) { - return unix.GetsockoptString(int(fd), syscall.SOL_SOCKET, syscall.SO_PEERSEC) + return unix.GetsockoptString(int(fd), unix.SOL_SOCKET, unix.SO_PEERSEC) } // SetKeyLabel takes a process label and tells the kernel to assign the // label to the next kernel keyring that gets created func SetKeyLabel(label string) error { err := writeCon("/proc/self/attr/keycreate", label) - if os.IsNotExist(err) { + if os.IsNotExist(errors.Cause(err)) { return nil } - if label == "" && os.IsPermission(err) { + if label == "" && os.IsPermission(errors.Cause(err)) { return nil } return err @@ -772,14 +800,14 @@ func badPrefix(fpath string) error { badPrefixes := []string{"/usr"} for _, prefix := range badPrefixes { if strings.HasPrefix(fpath, prefix) { - return fmt.Errorf("relabeling content in %s is not allowed", prefix) + return errors.Errorf("relabeling content in %s is not allowed", prefix) } } return nil } -// Chcon changes the `fpath` file object to the SELinux label `label`. -// If `fpath` is a directory and `recurse`` is true, Chcon will walk the +// Chcon changes the fpath file object to the SELinux label label. +// If fpath is a directory and recurse is true, Chcon will walk the // directory tree setting the label. func Chcon(fpath string, label string, recurse bool) error { if fpath == "" { @@ -791,19 +819,19 @@ func Chcon(fpath string, label string, recurse bool) error { if err := badPrefix(fpath); err != nil { return err } - callback := func(p string, info os.FileInfo, err error) error { + + if !recurse { + return SetFileLabel(fpath, label) + } + + return pwalk.Walk(fpath, func(p string, info os.FileInfo, err error) error { e := SetFileLabel(p, label) - if os.IsNotExist(e) { + // Walk a file tree can race with removal, so ignore ENOENT + if os.IsNotExist(errors.Cause(e)) { return nil } return e - } - - if recurse { - return filepath.Walk(fpath, callback) - } - - return SetFileLabel(fpath, label) + }) } // DupSecOpt takes an SELinux process label and returns security options that diff --git a/vendor/github.com/opencontainers/selinux/go-selinux/selinux_stub.go b/vendor/github.com/opencontainers/selinux/go-selinux/selinux_stub.go index 0c2e1cd38..f349513d9 100644 --- a/vendor/github.com/opencontainers/selinux/go-selinux/selinux_stub.go +++ b/vendor/github.com/opencontainers/selinux/go-selinux/selinux_stub.go @@ -1,4 +1,4 @@ -// +build !selinux +// +build !selinux !linux package selinux @@ -35,6 +35,11 @@ func GetEnabled() bool { return false } +// ClassIndex returns the int index for an object class in the loaded policy, or -1 and an error +func ClassIndex(class string) (int, error) { + return -1, nil +} + // SetFileLabel sets the SELinux label for this path or returns an error. func SetFileLabel(fpath string, label string) error { return nil @@ -88,6 +93,13 @@ func CanonicalizeContext(val string) (string, error) { return "", nil } +/* +ComputeCreateContext requests the type transition from source to target for class from the kernel. +*/ +func ComputeCreateContext(source string, target string, class string) (string, error) { + return "", nil +} + /* SetExecLabel sets the SELinux label that the kernel will use for any programs that are executed by the current process thread, or an error. diff --git a/vendor/github.com/opencontainers/selinux/go-selinux/xattrs.go b/vendor/github.com/opencontainers/selinux/go-selinux/xattrs.go index 4e711a9f8..de5c80ef3 100644 --- a/vendor/github.com/opencontainers/selinux/go-selinux/xattrs.go +++ b/vendor/github.com/opencontainers/selinux/go-selinux/xattrs.go @@ -12,8 +12,8 @@ func lgetxattr(path string, attr string) ([]byte, error) { // Start with a 128 length byte array dest := make([]byte, 128) sz, errno := unix.Lgetxattr(path, attr, dest) - if errno == unix.ERANGE { - // Buffer too small, get the real size first + for errno == unix.ERANGE { + // Buffer too small, use zero-sized buffer to get the actual size sz, errno = unix.Lgetxattr(path, attr, []byte{}) if errno != nil { return nil, errno @@ -28,7 +28,3 @@ func lgetxattr(path string, attr string) ([]byte, error) { return dest[:sz], nil } - -func lsetxattr(path string, attr string, data []byte, flags int) error { - return unix.Lsetxattr(path, attr, data, flags) -} diff --git a/vendor/github.com/opencontainers/selinux/pkg/pwalk/README.md b/vendor/github.com/opencontainers/selinux/pkg/pwalk/README.md new file mode 100644 index 000000000..16c4dfd3e --- /dev/null +++ b/vendor/github.com/opencontainers/selinux/pkg/pwalk/README.md @@ -0,0 +1,42 @@ +## pwalk: parallel implementation of filepath.Walk + +This is a wrapper for [filepath.Walk](https://pkg.go.dev/path/filepath?tab=doc#Walk) +which may speed it up by calling multiple callback functions (WalkFunc) in parallel, +utilizing goroutines. + +By default, it utilizes 2\*runtime.NumCPU() goroutines for callbacks. +This can be changed by using WalkN function which has the additional +parameter, specifying the number of goroutines (concurrency). + +### Caveats + +Please note the following limitations of this code: + +* Unlike filepath.Walk, the order of calls is non-deterministic; + +* Only primitive error handling is supported: + + * filepath.SkipDir is not supported; + + * no errors are ever passed to WalkFunc; + + * once any error is returned from any WalkFunc instance, no more new calls + to WalkFunc are made, and the error is returned to the caller of Walk; + + * if more than one walkFunc instance will return an error, only one + of such errors will be propagated and returned by Walk, others + will be silently discarded. + +### Documentation + +For the official documentation, see +https://pkg.go.dev/github.com/opencontainers/selinux/pkg/pwalk?tab=doc + +### Benchmarks + +For a WalkFunc that consists solely of the return statement, this +implementation is about 10% slower than the standard library's +filepath.Walk. + +Otherwise (if a WalkFunc is doing something) this is usually faster, +except when the WalkN(..., 1) is used. diff --git a/vendor/github.com/opencontainers/selinux/pkg/pwalk/pwalk.go b/vendor/github.com/opencontainers/selinux/pkg/pwalk/pwalk.go new file mode 100644 index 000000000..2ee0d0150 --- /dev/null +++ b/vendor/github.com/opencontainers/selinux/pkg/pwalk/pwalk.go @@ -0,0 +1,99 @@ +package pwalk + +import ( + "os" + "path/filepath" + "runtime" + "sync" + + "github.com/pkg/errors" +) + +type WalkFunc = filepath.WalkFunc + +// Walk is a wrapper for filepath.Walk which can call multiple walkFn +// in parallel, allowing to handle each item concurrently. A maximum of +// twice the runtime.NumCPU() walkFn will be called at any one time. +// If you want to change the maximum, use WalkN instead. +// +// The order of calls is non-deterministic. +// +// Note that this implementation only supports primitive error handling: +// +// * no errors are ever passed to WalkFn +// +// * once a walkFn returns any error, all further processing stops +// and the error is returned to the caller of Walk; +// +// * filepath.SkipDir is not supported; +// +// * if more than one walkFn instance will return an error, only one +// of such errors will be propagated and returned by Walk, others +// will be silently discarded. +// +func Walk(root string, walkFn WalkFunc) error { + return WalkN(root, walkFn, runtime.NumCPU()*2) +} + +// WalkN is a wrapper for filepath.Walk which can call multiple walkFn +// in parallel, allowing to handle each item concurrently. A maximum of +// num walkFn will be called at any one time. +func WalkN(root string, walkFn WalkFunc, num int) error { + // make sure limit is sensible + if num < 1 { + return errors.Errorf("walk(%q): num must be > 0", root) + } + + files := make(chan *walkArgs, 2*num) + errCh := make(chan error, 1) // get the first error, ignore others + + // Start walking a tree asap + var err error + go func() { + err = filepath.Walk(root, func(p string, info os.FileInfo, err error) error { + if err != nil { + close(files) + return err + } + // add a file to the queue unless a callback sent an error + select { + case e := <-errCh: + close(files) + return e + default: + files <- &walkArgs{path: p, info: &info} + return nil + } + }) + if err == nil { + close(files) + } + }() + + var wg sync.WaitGroup + wg.Add(num) + for i := 0; i < num; i++ { + go func() { + for file := range files { + if e := walkFn(file.path, *file.info, nil); e != nil { + select { + case errCh <- e: // sent ok + default: // buffer full + } + } + } + wg.Done() + }() + } + + wg.Wait() + + return err +} + +// walkArgs holds the arguments that were passed to the Walk or WalkLimit +// functions. +type walkArgs struct { + path string + info *os.FileInfo +} diff --git a/vendor/modules.txt b/vendor/modules.txt index f6b0e9b40..ad8ebb4e4 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -142,7 +142,7 @@ github.com/containers/psgo/internal/dev github.com/containers/psgo/internal/host github.com/containers/psgo/internal/proc github.com/containers/psgo/internal/process -# github.com/containers/storage v1.16.2 +# github.com/containers/storage v1.16.3 github.com/containers/storage github.com/containers/storage/drivers github.com/containers/storage/drivers/aufs @@ -404,9 +404,10 @@ github.com/opencontainers/runtime-tools/generate github.com/opencontainers/runtime-tools/generate/seccomp github.com/opencontainers/runtime-tools/specerror github.com/opencontainers/runtime-tools/validate -# github.com/opencontainers/selinux v1.3.3 +# github.com/opencontainers/selinux v1.4.0 github.com/opencontainers/selinux/go-selinux github.com/opencontainers/selinux/go-selinux/label +github.com/opencontainers/selinux/pkg/pwalk # github.com/openshift/api v0.0.0-20200106203948-7ab22a2c8316 github.com/openshift/api/config/v1 # github.com/openshift/imagebuilder v1.1.1 -- cgit v1.2.3-54-g00ecf