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Bump containers/common to latest main

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Signed-off-by: Matthew Heon <matthew.heon@pm.me>
This commit is contained in:
Matthew Heon
2024-01-29 16:30:55 -05:00
parent 174631f726
commit d202acd861
56 changed files with 1930 additions and 1119 deletions
Download Patch File Download Diff File Expand all files Collapse all files

72
vendor/github.com/containers/storage/drivers/overlay/composefs.go generated vendored
View File

@@ -7,15 +7,13 @@ import (
"encoding/binary"
"errors"
"fmt"
"io/fs"
"os"
"os/exec"
"path/filepath"
"sync"
"syscall"
"unsafe"
"github.com/containers/storage/pkg/chunked/dump"
"github.com/containers/storage/pkg/fsverity"
"github.com/containers/storage/pkg/loopback"
"github.com/sirupsen/logrus"
"golang.org/x/sys/unix"
@@ -34,72 +32,6 @@ func getComposeFsHelper() (string, error) {
return composeFsHelperPath, composeFsHelperErr
}
func enableVerity(description string, fd int) error {
enableArg := unix.FsverityEnableArg{
Version: 1,
Hash_algorithm: unix.FS_VERITY_HASH_ALG_SHA256,
Block_size: 4096,
}
_, _, e1 := syscall.Syscall(unix.SYS_IOCTL, uintptr(fd), uintptr(unix.FS_IOC_ENABLE_VERITY), uintptr(unsafe.Pointer(&enableArg)))
if e1 != 0 && !errors.Is(e1, unix.EEXIST) {
return fmt.Errorf("failed to enable verity for %q: %w", description, e1)
}
return nil
}
type verityDigest struct {
Fsv unix.FsverityDigest
Buf [64]byte
}
func measureVerity(description string, fd int) (string, error) {
var digest verityDigest
digest.Fsv.Size = 64
_, _, e1 := syscall.Syscall(unix.SYS_IOCTL, uintptr(fd), uintptr(unix.FS_IOC_MEASURE_VERITY), uintptr(unsafe.Pointer(&digest)))
if e1 != 0 {
return "", fmt.Errorf("failed to measure verity for %q: %w", description, e1)
}
return fmt.Sprintf("%x", digest.Buf[:digest.Fsv.Size]), nil
}
func enableVerityRecursive(root string) (map[string]string, error) {
digests := make(map[string]string)
walkFn := func(path string, d fs.DirEntry, err error) error {
if err != nil {
return err
}
if !d.Type().IsRegular() {
return nil
}
f, err := os.Open(path)
if err != nil {
return err
}
defer f.Close()
if err := enableVerity(path, int(f.Fd())); err != nil {
return err
}
verity, err := measureVerity(path, int(f.Fd()))
if err != nil {
return err
}
relPath, err := filepath.Rel(root, path)
if err != nil {
return err
}
digests[relPath] = verity
return nil
}
err := filepath.WalkDir(root, walkFn)
return digests, err
}
func getComposefsBlob(dataDir string) string {
return filepath.Join(dataDir, "composefs.blob")
}
@@ -151,7 +83,7 @@ func generateComposeFsBlob(verityDigests map[string]string, toc interface{}, com
return err
}
if err := enableVerity("manifest file", int(newFd.Fd())); err != nil && !errors.Is(err, unix.ENOTSUP) && !errors.Is(err, unix.ENOTTY) {
if err := fsverity.EnableVerity("manifest file", int(newFd.Fd())); err != nil && !errors.Is(err, unix.ENOTSUP) && !errors.Is(err, unix.ENOTTY) {
logrus.Warningf("%s", err)
}

48
vendor/github.com/containers/storage/drivers/overlay/overlay.go generated vendored
View File

@@ -82,7 +82,8 @@ const (
lowerFile = "lower"
maxDepth = 500
tocArtifact = "toc"
tocArtifact = "toc"
fsVerityDigestsArtifact = "fs-verity-digests"
// idLength represents the number of random characters
// which can be used to create the unique link identifier
@@ -2085,7 +2086,13 @@ func (d *Driver) ApplyDiffWithDiffer(id, parent string, options *graphdriver.App
if err != nil {
return graphdriver.DriverWithDifferOutput{}, err
}
perms := defaultPerms
if d.options.forceMask != nil {
perms = *d.options.forceMask
}
if err := os.Chmod(applyDir, perms); err != nil {
return graphdriver.DriverWithDifferOutput{}, err
}
} else {
var err error
applyDir, err = d.getDiffPath(id)
@@ -2101,6 +2108,7 @@ func (d *Driver) ApplyDiffWithDiffer(id, parent string, options *graphdriver.App
}
if d.usingComposefs {
differOptions.Format = graphdriver.DifferOutputFormatFlat
differOptions.UseFsVerity = graphdriver.DifferFsVerityEnabled
}
out, err := differ.ApplyDiff(applyDir, &archive.TarOptions{
UIDMaps: idMappings.UIDs(),
@@ -2120,23 +2128,33 @@ func (d *Driver) ApplyDiffFromStagingDirectory(id, parent, stagingDirectory stri
if filepath.Dir(stagingDirectory) != d.getStagingDir() {
return fmt.Errorf("%q is not a staging directory", stagingDirectory)
}
if d.usingComposefs {
// FIXME: move this logic into the differ so we don't have to open
// the file twice.
verityDigests, err := enableVerityRecursive(stagingDirectory)
if err != nil && !errors.Is(err, unix.ENOTSUP) && !errors.Is(err, unix.ENOTTY) {
logrus.Warningf("%s", err)
}
toc := diffOutput.Artifacts[tocArtifact]
if err := generateComposeFsBlob(verityDigests, toc, d.getComposefsData(id)); err != nil {
return err
}
}
diffPath, err := d.getDiffPath(id)
if err != nil {
return err
}
// If the current layer doesn't set the mode for the parent, override it with the parent layer's mode.
if d.options.forceMask == nil && diffOutput.RootDirMode == nil && parent != "" {
parentDiffPath, err := d.getDiffPath(parent)
if err != nil {
return err
}
parentSt, err := os.Stat(parentDiffPath)
if err != nil {
return err
}
if err := os.Chmod(stagingDirectory, parentSt.Mode()); err != nil {
return err
}
}
if d.usingComposefs {
toc := diffOutput.Artifacts[tocArtifact]
verityDigests := diffOutput.Artifacts[fsVerityDigestsArtifact].(map[string]string)
if err := generateComposeFsBlob(verityDigests, toc, d.getComposefsData(id)); err != nil {
return err
}
}
if err := os.RemoveAll(diffPath); err != nil && !os.IsNotExist(err) {
return err
}