diff options
-rw-r--r-- | cmd/podman/images/scp.go | 4 | ||||
-rw-r--r-- | docs/source/markdown/podman-image-scp.1.md | 2 | ||||
-rw-r--r-- | go.mod | 2 | ||||
-rw-r--r-- | go.sum | 3 | ||||
-rw-r--r-- | libpod/container_internal.go | 36 | ||||
-rw-r--r-- | test/e2e/run_cgroup_parent_test.go | 17 | ||||
-rw-r--r-- | test/system/410-selinux.bats | 12 | ||||
-rw-r--r-- | vendor/github.com/opencontainers/selinux/go-selinux/label/label_linux.go | 9 | ||||
-rw-r--r-- | vendor/github.com/opencontainers/selinux/go-selinux/selinux.go | 2 | ||||
-rw-r--r-- | vendor/github.com/opencontainers/selinux/go-selinux/selinux_linux.go | 54 | ||||
-rw-r--r-- | vendor/github.com/opencontainers/selinux/go-selinux/xattrs_linux.go | 4 | ||||
-rw-r--r-- | vendor/github.com/opencontainers/selinux/pkg/pwalk/pwalk.go | 5 | ||||
-rw-r--r-- | vendor/modules.txt | 2 |
13 files changed, 97 insertions, 55 deletions
diff --git a/cmd/podman/images/scp.go b/cmd/podman/images/scp.go index 71399e0b7..a47d01995 100644 --- a/cmd/podman/images/scp.go +++ b/cmd/podman/images/scp.go @@ -111,7 +111,7 @@ func scp(cmd *cobra.Command, args []string) (finalErr error) { if err != nil { return err } - fmt.Println("Loaded images(s): " + strings.Join(report.Names, ",")) + fmt.Println("Loaded image(s): " + strings.Join(report.Names, ",")) case scpOpts.ToRemote: // remote host load scpOpts.Save.Format = "oci-archive" abiErr := abiEng.Save(context.Background(), scpOpts.SourceImageName, []string{}, scpOpts.Save) // save the image locally before loading it on remote, local, or ssh @@ -137,7 +137,7 @@ func scp(cmd *cobra.Command, args []string) (finalErr error) { if err != nil { return err } - fmt.Println("Loaded images(s): " + strings.Join(rep.Names, ",")) + fmt.Println("Loaded image(s): " + strings.Join(rep.Names, ",")) } return nil } diff --git a/docs/source/markdown/podman-image-scp.1.md b/docs/source/markdown/podman-image-scp.1.md index 7d143c851..420452a4d 100644 --- a/docs/source/markdown/podman-image-scp.1.md +++ b/docs/source/markdown/podman-image-scp.1.md @@ -59,7 +59,7 @@ Copying blob 9450ef9feb15 [--------------------------------------] 0.0b / 0.0b Copying config 1f97f0559c done Writing manifest to image destination Storing signatures -Loaded images(s): docker.io/library/alpine:latest +Loaded image(s): docker.io/library/alpine:latest ``` ## SEE ALSO @@ -50,7 +50,7 @@ require ( github.com/opencontainers/runc v1.0.1 github.com/opencontainers/runtime-spec v1.0.3-0.20210326190908-1c3f411f0417 github.com/opencontainers/runtime-tools v0.9.0 - github.com/opencontainers/selinux v1.8.2 + github.com/opencontainers/selinux v1.8.3 github.com/pkg/errors v0.9.1 github.com/pmezard/go-difflib v1.0.0 github.com/rootless-containers/rootlesskit v0.14.3 @@ -749,8 +749,9 @@ github.com/opencontainers/runtime-tools v0.9.0/go.mod h1:r3f7wjNzSs2extwzU3Y+6pK github.com/opencontainers/selinux v1.5.1/go.mod h1:yTcKuYAh6R95iDpefGLQaPaRwJFwyzAJufJyiTt7s0g= github.com/opencontainers/selinux v1.6.0/go.mod h1:VVGKuOLlE7v4PJyT6h7mNWvq1rzqiriPsEqVhc+svHE= github.com/opencontainers/selinux v1.8.0/go.mod h1:RScLhm78qiWa2gbVCcGkC7tCGdgk3ogry1nUQF8Evvo= -github.com/opencontainers/selinux v1.8.2 h1:c4ca10UMgRcvZ6h0K4HtS15UaVSBEaE+iln2LVpAuGc= github.com/opencontainers/selinux v1.8.2/go.mod h1:MUIHuUEvKB1wtJjQdOyYRgOnLD2xAPP8dBsCoU0KuF8= +github.com/opencontainers/selinux v1.8.3 h1:tzZR7AuKB5gU1+53uBkoG4XdIFGZzvJTOVoNbRQI8/4= +github.com/opencontainers/selinux v1.8.3/go.mod h1:HTvjPFoGMbpQsG886e3lQwnsRWtE4TC1OF3OUvG9FAo= github.com/openshift/imagebuilder v1.2.2-0.20210415181909-87f3e48c2656 h1:WaxyNFpmIDu4i6so9r6LVFIbSaXqsj8oitMitt86ae4= github.com/openshift/imagebuilder v1.2.2-0.20210415181909-87f3e48c2656/go.mod h1:9aJRczxCH0mvT6XQ+5STAQaPWz7OsWcU5/mRkt8IWeo= github.com/ostreedev/ostree-go v0.0.0-20190702140239-759a8c1ac913 h1:TnbXhKzrTOyuvWrjI8W6pcoI9XPbLHFXCdN2dtUw7Rw= diff --git a/libpod/container_internal.go b/libpod/container_internal.go index e7694227a..8ffcccf4c 100644 --- a/libpod/container_internal.go +++ b/libpod/container_internal.go @@ -472,20 +472,10 @@ func (c *Container) setupStorage(ctx context.Context) error { c.config.IDMappings.UIDMap = containerInfo.UIDMap c.config.IDMappings.GIDMap = containerInfo.GIDMap - processLabel := containerInfo.ProcessLabel - switch { - case c.ociRuntime.SupportsKVM(): - processLabel, err = selinux.KVMLabel(processLabel) - if err != nil { - return err - } - case c.config.Systemd: - processLabel, err = selinux.InitLabel(processLabel) - if err != nil { - return err - } + processLabel, err := c.processLabel(containerInfo.ProcessLabel) + if err != nil { + return err } - c.config.ProcessLabel = processLabel c.config.MountLabel = containerInfo.MountLabel c.config.StaticDir = containerInfo.Dir @@ -520,6 +510,26 @@ func (c *Container) setupStorage(ctx context.Context) error { return nil } +func (c *Container) processLabel(processLabel string) (string, error) { + if !c.config.Systemd && !c.ociRuntime.SupportsKVM() { + return processLabel, nil + } + ctrSpec, err := c.specFromState() + if err != nil { + return "", err + } + label, ok := ctrSpec.Annotations[define.InspectAnnotationLabel] + if !ok || !strings.Contains(label, "type:") { + switch { + case c.ociRuntime.SupportsKVM(): + return selinux.KVMLabel(processLabel) + case c.config.Systemd: + return selinux.InitLabel(processLabel) + } + } + return processLabel, nil +} + // Tear down a container's storage prior to removal func (c *Container) teardownStorage() error { if c.ensureState(define.ContainerStateRunning, define.ContainerStatePaused) { diff --git a/test/e2e/run_cgroup_parent_test.go b/test/e2e/run_cgroup_parent_test.go index 300c3a8e0..3e261961b 100644 --- a/test/e2e/run_cgroup_parent_test.go +++ b/test/e2e/run_cgroup_parent_test.go @@ -2,6 +2,7 @@ package integration import ( "fmt" + "io/ioutil" "os" "path/filepath" "strings" @@ -80,7 +81,21 @@ var _ = Describe("Podman run with --cgroup-parent", func() { exec.WaitWithDefaultTimeout() Expect(exec).Should(Exit(0)) - cgroup := filepath.Dir(strings.TrimRight(strings.Replace(exec.OutputToString(), "0::", "", -1), "\n")) + containerCgroup := strings.TrimRight(strings.Replace(exec.OutputToString(), "0::", "", -1), "\n") + + content, err := ioutil.ReadFile(filepath.Join("/sys/fs/cgroup", containerCgroup, "cgroup.procs")) + Expect(err).To(BeNil()) + + // Move the container process to a sub cgroup + subCgroupPath := filepath.Join(filepath.Join("/sys/fs/cgroup", containerCgroup, "old-container")) + + err = os.MkdirAll(subCgroupPath, 0755) + Expect(err).To(BeNil()) + + err = ioutil.WriteFile(filepath.Join(subCgroupPath, "cgroup.procs"), content, 0644) + Expect(err).To(BeNil()) + + cgroup := filepath.Dir(containerCgroup) run = podmanTest.Podman([]string{"--cgroup-manager=cgroupfs", "run", "-d", fmt.Sprintf("--cgroup-parent=%s", cgroup), fedoraMinimal, "sleep", "100"}) run.WaitWithDefaultTimeout() diff --git a/test/system/410-selinux.bats b/test/system/410-selinux.bats index 4ef9c8b30..5ee0e0715 100644 --- a/test/system/410-selinux.bats +++ b/test/system/410-selinux.bats @@ -50,6 +50,18 @@ function check_label() { check_label "--systemd=always" "container_init_t" } +@test "podman selinux: init container with --security-opt type" { + check_label "--systemd=always --security-opt=label=type:spc_t" "spc_t" +} + +@test "podman selinux: init container with --security-opt level&type" { + check_label "--systemd=always --security-opt=label=level:s0:c1,c2 --security-opt=label=type:spc_t" "spc_t" "s0:c1,c2" +} + +@test "podman selinux: init container with --security-opt level" { + check_label "--systemd=always --security-opt=label=level:s0:c1,c2" "container_init_t" "s0:c1,c2" +} + @test "podman selinux: pid=host" { # FIXME this test fails when run rootless with runc: # Error: container_linux.go:367: starting container process caused: process_linux.go:495: container init caused: readonly path /proc/asound: operation not permitted: OCI permission denied diff --git a/vendor/github.com/opencontainers/selinux/go-selinux/label/label_linux.go b/vendor/github.com/opencontainers/selinux/go-selinux/label/label_linux.go index b3d142d8c..14e1e38c2 100644 --- a/vendor/github.com/opencontainers/selinux/go-selinux/label/label_linux.go +++ b/vendor/github.com/opencontainers/selinux/go-selinux/label/label_linux.go @@ -1,12 +1,13 @@ package label import ( + "errors" + "fmt" "os" "os/user" "strings" "github.com/opencontainers/selinux/go-selinux" - "github.com/pkg/errors" ) // Valid Label Options @@ -53,11 +54,11 @@ func InitLabels(options []string) (plabel string, mlabel string, retErr error) { return "", selinux.PrivContainerMountLabel(), nil } if i := strings.Index(opt, ":"); i == -1 { - return "", "", errors.Errorf("Bad label option %q, valid options 'disable' or \n'user, role, level, type, filetype' followed by ':' and a value", opt) + return "", "", fmt.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 "", "", errors.Errorf("Bad label option %q, valid options 'disable, user, role, level, type, filetype'", con[0]) + return "", "", fmt.Errorf("Bad label option %q, valid options 'disable, user, role, level, type, filetype'", con[0]) } if con[0] == "filetype" { mcon["type"] = con[1] @@ -151,7 +152,7 @@ func Relabel(path string, fileLabel string, shared bool) error { path = strings.TrimSuffix(path, "/") } if exclude_paths[path] { - return errors.Errorf("SELinux relabeling of %s is not allowed", path) + return fmt.Errorf("SELinux relabeling of %s is not allowed", path) } if shared { diff --git a/vendor/github.com/opencontainers/selinux/go-selinux/selinux.go b/vendor/github.com/opencontainers/selinux/go-selinux/selinux.go index b336ebad3..9ffd77afa 100644 --- a/vendor/github.com/opencontainers/selinux/go-selinux/selinux.go +++ b/vendor/github.com/opencontainers/selinux/go-selinux/selinux.go @@ -1,7 +1,7 @@ package selinux import ( - "github.com/pkg/errors" + "errors" ) const ( 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 a91a116f8..62df82a34 100644 --- a/vendor/github.com/opencontainers/selinux/go-selinux/selinux_linux.go +++ b/vendor/github.com/opencontainers/selinux/go-selinux/selinux_linux.go @@ -5,6 +5,7 @@ import ( "bytes" "crypto/rand" "encoding/binary" + "errors" "fmt" "io" "io/ioutil" @@ -18,7 +19,6 @@ import ( "github.com/bits-and-blooms/bitset" "github.com/opencontainers/selinux/pkg/pwalk" - "github.com/pkg/errors" "golang.org/x/sys/unix" ) @@ -120,7 +120,7 @@ func verifySELinuxfsMount(mnt string) bool { if err == nil { break } - if err == unix.EAGAIN || err == unix.EINTR { + if err == unix.EAGAIN || err == unix.EINTR { //nolint:errorlint // unix errors are bare continue } return false @@ -250,12 +250,12 @@ func isProcHandle(fh *os.File) error { if err == nil { break } - if err != unix.EINTR { - return errors.Wrapf(err, "statfs(%q) failed", fh.Name()) + if err != unix.EINTR { //nolint:errorlint // unix errors are bare + return &os.PathError{Op: "fstatfs", Path: fh.Name(), Err: err} } } if buf.Type != unix.PROC_SUPER_MAGIC { - return errors.Errorf("file %q is not on procfs", fh.Name()) + return fmt.Errorf("file %q is not on procfs", fh.Name()) } return nil @@ -311,8 +311,8 @@ func setFileLabel(fpath string, label string) error { if err == nil { break } - if err != unix.EINTR { - return errors.Wrapf(err, "failed to set file label on %s", fpath) + if err != unix.EINTR { //nolint:errorlint // unix errors are bare + return &os.PathError{Op: "lsetxattr", Path: fpath, Err: err} } } @@ -327,7 +327,7 @@ func fileLabel(fpath string) (string, error) { label, err := lgetxattr(fpath, xattrNameSelinux) if err != nil { - return "", err + return "", &os.PathError{Op: "lgetxattr", Path: fpath, Err: err} } // Trim the NUL byte at the end of the byte buffer, if present. if len(label) > 0 && label[len(label)-1] == '\x00' { @@ -390,7 +390,7 @@ func writeCon(fpath, val string) error { _, err = out.Write(nil) } if err != nil { - return errors.Wrapf(err, "failed to set %s on procfs", fpath) + return &os.PathError{Op: "write", Path: fpath, Err: err} } return nil } @@ -489,13 +489,13 @@ func (l *level) parseLevel(levelStr string) error { lvl := strings.SplitN(levelStr, ":", 2) sens, err := parseLevelItem(lvl[0], sensitivity) if err != nil { - return errors.Wrap(err, "failed to parse sensitivity") + return fmt.Errorf("failed to parse sensitivity: %w", err) } l.sens = sens if len(lvl) > 1 { cats, err := catsToBitset(lvl[1]) if err != nil { - return errors.Wrap(err, "failed to parse categories") + return fmt.Errorf("failed to parse categories: %w", err) } l.cats = cats } @@ -513,14 +513,14 @@ func rangeStrToMLSRange(rangeStr string) (*mlsRange, error) { case 2: mlsRange.high = &level{} if err := mlsRange.high.parseLevel(levelSlice[1]); err != nil { - return nil, errors.Wrapf(err, "failed to parse high level %q", levelSlice[1]) + return nil, fmt.Errorf("failed to parse high level %q: %w", levelSlice[1], err) } fallthrough // rangeStr that is single level, e.g. s6:c0,c3,c5,c30.c1023 case 1: mlsRange.low = &level{} if err := mlsRange.low.parseLevel(levelSlice[0]); err != nil { - return nil, errors.Wrapf(err, "failed to parse low level %q", levelSlice[0]) + return nil, fmt.Errorf("failed to parse low level %q: %w", levelSlice[0], err) } } @@ -697,17 +697,21 @@ 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), unix.SOL_SOCKET, unix.SO_PEERSEC) + label, err := unix.GetsockoptString(int(fd), unix.SOL_SOCKET, unix.SO_PEERSEC) + if err != nil { + return "", &os.PathError{Op: "getsockopt", Path: "fd " + strconv.Itoa(int(fd)), Err: err} + } + return label, nil } // 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(errors.Cause(err)) { + if errors.Is(err, os.ErrNotExist) { return nil } - if label == "" && os.IsPermission(errors.Cause(err)) { + if label == "" && errors.Is(err, os.ErrPermission) { return nil } return err @@ -784,7 +788,7 @@ func enforceMode() int { // setEnforceMode sets the current SELinux mode Enforcing, Permissive. // Disabled is not valid, since this needs to be set at boot time. func setEnforceMode(mode int) error { - return ioutil.WriteFile(selinuxEnforcePath(), []byte(strconv.Itoa(mode)), 0644) + return ioutil.WriteFile(selinuxEnforcePath(), []byte(strconv.Itoa(mode)), 0o644) } // defaultEnforceMode returns the systems default SELinux mode Enforcing, @@ -985,7 +989,7 @@ func addMcs(processLabel, fileLabel string) (string, string) { // securityCheckContext validates that the SELinux label is understood by the kernel func securityCheckContext(val string) error { - return ioutil.WriteFile(path.Join(getSelinuxMountPoint(), "context"), []byte(val), 0644) + return ioutil.WriteFile(path.Join(getSelinuxMountPoint(), "context"), []byte(val), 0o644) } // copyLevel returns a label with the MLS/MCS level from src label replaced on @@ -1023,7 +1027,7 @@ func badPrefix(fpath string) error { badPrefixes := []string{"/usr"} for _, prefix := range badPrefixes { if strings.HasPrefix(fpath, prefix) { - return errors.Errorf("relabeling content in %s is not allowed", prefix) + return fmt.Errorf("relabeling content in %s is not allowed", prefix) } } return nil @@ -1050,7 +1054,7 @@ func chcon(fpath string, label string, recurse bool) error { return pwalk.Walk(fpath, func(p string, info os.FileInfo, err error) error { e := SetFileLabel(p, label) // Walk a file tree can race with removal, so ignore ENOENT - if os.IsNotExist(errors.Cause(e)) { + if errors.Is(e, os.ErrNotExist) { return nil } return e @@ -1072,7 +1076,8 @@ func dupSecOpt(src string) ([]string, error) { con["type"] == "" { return nil, nil } - dup := []string{"user:" + con["user"], + dup := []string{ + "user:" + con["user"], "role:" + con["role"], "type:" + con["type"], } @@ -1140,9 +1145,8 @@ func findUserInContext(context Context, r io.Reader, verifier func(string) error return outConn, nil } } - if err := scanner.Err(); err != nil { - return "", errors.Wrap(err, "failed to scan for context") + return "", fmt.Errorf("failed to scan for context: %w", err) } return "", nil @@ -1155,7 +1159,7 @@ func getDefaultContextFromReaders(c *defaultSECtx) (string, error) { context, err := newContext(c.scon) if err != nil { - return "", errors.Wrapf(err, "failed to create label for %s", c.scon) + return "", fmt.Errorf("failed to create label for %s: %w", c.scon, err) } // set so the verifier validates the matched context with the provided user and level. @@ -1180,7 +1184,7 @@ func getDefaultContextFromReaders(c *defaultSECtx) (string, error) { return conn, nil } - return "", errors.Wrapf(ErrContextMissing, "context not found: %q", c.scon) + return "", fmt.Errorf("context %q not found: %w", c.scon, ErrContextMissing) } func getDefaultContextWithLevel(user, level, scon string) (string, error) { diff --git a/vendor/github.com/opencontainers/selinux/go-selinux/xattrs_linux.go b/vendor/github.com/opencontainers/selinux/go-selinux/xattrs_linux.go index 117c255be..c6b0a7f26 100644 --- a/vendor/github.com/opencontainers/selinux/go-selinux/xattrs_linux.go +++ b/vendor/github.com/opencontainers/selinux/go-selinux/xattrs_linux.go @@ -10,7 +10,7 @@ func lgetxattr(path, attr string) ([]byte, error) { // Start with a 128 length byte array dest := make([]byte, 128) sz, errno := doLgetxattr(path, attr, dest) - for errno == unix.ERANGE { + for errno == unix.ERANGE { //nolint:errorlint // unix errors are bare // Buffer too small, use zero-sized buffer to get the actual size sz, errno = doLgetxattr(path, attr, []byte{}) if errno != nil { @@ -31,7 +31,7 @@ func lgetxattr(path, attr string) ([]byte, error) { func doLgetxattr(path, attr string, dest []byte) (int, error) { for { sz, err := unix.Lgetxattr(path, attr, dest) - if err != unix.EINTR { + if err != unix.EINTR { //nolint:errorlint // unix errors are bare return sz, err } } diff --git a/vendor/github.com/opencontainers/selinux/pkg/pwalk/pwalk.go b/vendor/github.com/opencontainers/selinux/pkg/pwalk/pwalk.go index 437b12b3e..a8088a196 100644 --- a/vendor/github.com/opencontainers/selinux/pkg/pwalk/pwalk.go +++ b/vendor/github.com/opencontainers/selinux/pkg/pwalk/pwalk.go @@ -1,12 +1,11 @@ package pwalk import ( + "fmt" "os" "path/filepath" "runtime" "sync" - - "github.com/pkg/errors" ) type WalkFunc = filepath.WalkFunc @@ -42,7 +41,7 @@ func Walk(root string, walkFn WalkFunc) error { 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) + return fmt.Errorf("walk(%q): num must be > 0", root) } files := make(chan *walkArgs, 2*num) diff --git a/vendor/modules.txt b/vendor/modules.txt index ee4f9f25e..0626f45c9 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -525,7 +525,7 @@ 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 v1.8.2 +# github.com/opencontainers/selinux v1.8.3 github.com/opencontainers/selinux/go-selinux github.com/opencontainers/selinux/go-selinux/label github.com/opencontainers/selinux/pkg/pwalk |