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authorOpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com>2020-07-22 15:38:42 +0200
committerGitHub <noreply@github.com>2020-07-22 15:38:42 +0200
commit80add2902cf3561d2c9f91dc045076519cd297d5 (patch)
tree2c9b51e5b32158c96142bef6168114380bf4260a
parent9f5d1462be20c86afe363750ecc20ee89e0b3978 (diff)
parent4c4a00f63ea5bc7956bf40be457bf86643575dce (diff)
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Merge pull request #6992 from rhatdan/apparmor
Support default profile for apparmor
-rw-r--r--cmd/podman/common/create.go2
-rw-r--r--cmd/podman/common/specgen.go6
-rwxr-xr-xcontrib/cirrus/setup_environment.sh1
-rw-r--r--libpod/container_internal_linux.go2
-rw-r--r--pkg/specgen/container_validate.go4
-rw-r--r--pkg/specgen/generate/oci.go7
-rw-r--r--pkg/specgen/generate/security.go30
-rw-r--r--test/e2e/run_apparmor_test.go158
8 files changed, 192 insertions, 18 deletions
diff --git a/cmd/podman/common/create.go b/cmd/podman/common/create.go
index 46f78cdba..e248e621f 100644
--- a/cmd/podman/common/create.go
+++ b/cmd/podman/common/create.go
@@ -405,7 +405,7 @@ func GetCreateFlags(cf *ContainerCLIOpts) *pflag.FlagSet {
)
createFlags.StringArrayVar(
&cf.SecurityOpt,
- "security-opt", containerConfig.SecurityOptions(),
+ "security-opt", []string{},
"Security Options",
)
createFlags.String(
diff --git a/cmd/podman/common/specgen.go b/cmd/podman/common/specgen.go
index 731085731..e694317cc 100644
--- a/cmd/podman/common/specgen.go
+++ b/cmd/podman/common/specgen.go
@@ -512,10 +512,8 @@ func FillOutSpecGen(s *specgen.SpecGenerator, c *ContainerCLIOpts, args []string
s.ContainerSecurityConfig.SelinuxOpts = append(s.ContainerSecurityConfig.SelinuxOpts, con[1])
s.Annotations[define.InspectAnnotationLabel] = strings.Join(s.ContainerSecurityConfig.SelinuxOpts, ",label=")
case "apparmor":
- if !c.Privileged {
- s.ContainerSecurityConfig.ApparmorProfile = con[1]
- s.Annotations[define.InspectAnnotationApparmor] = con[1]
- }
+ s.ContainerSecurityConfig.ApparmorProfile = con[1]
+ s.Annotations[define.InspectAnnotationApparmor] = con[1]
case "seccomp":
s.SeccompProfilePath = con[1]
s.Annotations[define.InspectAnnotationSeccomp] = con[1]
diff --git a/contrib/cirrus/setup_environment.sh b/contrib/cirrus/setup_environment.sh
index ea2c7d8e0..fbdae83fa 100755
--- a/contrib/cirrus/setup_environment.sh
+++ b/contrib/cirrus/setup_environment.sh
@@ -41,7 +41,6 @@ case "${OS_RELEASE_ID}" in
ubuntu)
apt-get update
apt-get install -y containers-common
- sed -ie 's/^\(# \)\?apparmor_profile =.*/apparmor_profile = ""/' /etc/containers/containers.conf
if [[ "$OS_RELEASE_VER" == "19" ]]; then
apt-get purge -y --auto-remove golang*
apt-get install -y golang-1.13
diff --git a/libpod/container_internal_linux.go b/libpod/container_internal_linux.go
index edea62a0d..09bf33728 100644
--- a/libpod/container_internal_linux.go
+++ b/libpod/container_internal_linux.go
@@ -250,7 +250,7 @@ func (c *Container) generateSpec(ctx context.Context) (*spec.Spec, error) {
}
// Apply AppArmor checks and load the default profile if needed.
- if !c.config.Privileged {
+ if len(c.config.Spec.Process.ApparmorProfile) > 0 {
updatedProfile, err := apparmor.CheckProfileAndLoadDefault(c.config.Spec.Process.ApparmorProfile)
if err != nil {
return nil, err
diff --git a/pkg/specgen/container_validate.go b/pkg/specgen/container_validate.go
index 622313a04..eddc4ad5d 100644
--- a/pkg/specgen/container_validate.go
+++ b/pkg/specgen/container_validate.go
@@ -81,10 +81,6 @@ func (s *SpecGenerator) Validate() error {
if len(s.CapAdd) > 0 && s.Privileged {
return exclusiveOptions("CapAdd", "privileged")
}
- // apparmor and privileged are exclusive
- if len(s.ApparmorProfile) > 0 && s.Privileged {
- return exclusiveOptions("AppArmorProfile", "privileged")
- }
// userns and idmappings conflict
if s.UserNS.IsPrivate() && s.IDMappings == nil {
return errors.Wrap(ErrInvalidSpecConfig, "IDMappings are required when not creating a User namespace")
diff --git a/pkg/specgen/generate/oci.go b/pkg/specgen/generate/oci.go
index 4953735b1..f279aac1c 100644
--- a/pkg/specgen/generate/oci.go
+++ b/pkg/specgen/generate/oci.go
@@ -285,13 +285,6 @@ func SpecGenToOCI(ctx context.Context, s *specgen.SpecGenerator, rt *libpod.Runt
}
}
- // SECURITY OPTS
- g.SetProcessNoNewPrivileges(s.NoNewPrivileges)
-
- if !s.Privileged {
- g.SetProcessApparmorProfile(s.ApparmorProfile)
- }
-
BlockAccessToKernelFilesystems(s.Privileged, s.PidNS.IsHost(), &g)
for name, val := range s.Env {
diff --git a/pkg/specgen/generate/security.go b/pkg/specgen/generate/security.go
index 70493cd5f..fcd1622f9 100644
--- a/pkg/specgen/generate/security.go
+++ b/pkg/specgen/generate/security.go
@@ -3,6 +3,7 @@ package generate
import (
"strings"
+ "github.com/containers/common/pkg/apparmor"
"github.com/containers/common/pkg/capabilities"
"github.com/containers/common/pkg/config"
"github.com/containers/libpod/v2/libpod"
@@ -56,6 +57,28 @@ func setLabelOpts(s *specgen.SpecGenerator, runtime *libpod.Runtime, pidConfig s
return nil
}
+func setupApparmor(s *specgen.SpecGenerator, rtc *config.Config, g *generate.Generator) error {
+ hasProfile := len(s.ApparmorProfile) > 0
+ if !apparmor.IsEnabled() {
+ if hasProfile {
+ return errors.Errorf("Apparmor profile %q specified, but Apparmor is not enabled on this system", s.ApparmorProfile)
+ }
+ return nil
+ }
+ // If privileged and caller did not specify apparmor profiles return
+ if s.Privileged && !hasProfile {
+ return nil
+ }
+ if !hasProfile {
+ s.ApparmorProfile = rtc.Containers.ApparmorProfile
+ }
+ if len(s.ApparmorProfile) > 0 {
+ g.SetProcessApparmorProfile(s.ApparmorProfile)
+ }
+
+ return nil
+}
+
func securityConfigureGenerator(s *specgen.SpecGenerator, g *generate.Generator, newImage *image.Image, rtc *config.Config) error {
var (
caplist []string
@@ -105,6 +128,13 @@ func securityConfigureGenerator(s *specgen.SpecGenerator, g *generate.Generator,
}
}
}
+
+ g.SetProcessNoNewPrivileges(s.NoNewPrivileges)
+
+ if err := setupApparmor(s, rtc, g); err != nil {
+ return err
+ }
+
configSpec := g.Config
configSpec.Process.Capabilities.Bounding = caplist
diff --git a/test/e2e/run_apparmor_test.go b/test/e2e/run_apparmor_test.go
new file mode 100644
index 000000000..344309b93
--- /dev/null
+++ b/test/e2e/run_apparmor_test.go
@@ -0,0 +1,158 @@
+// +build !remote
+
+package integration
+
+import (
+ "fmt"
+ "io/ioutil"
+ "os"
+ "path/filepath"
+
+ "github.com/containers/common/pkg/apparmor"
+ . "github.com/containers/libpod/v2/test/utils"
+ . "github.com/onsi/ginkgo"
+ . "github.com/onsi/gomega"
+)
+
+func skipIfAppArmorEnabled() {
+ if apparmor.IsEnabled() {
+ Skip("Apparmor is enabled")
+ }
+}
+func skipIfAppArmorDisabled() {
+ if !apparmor.IsEnabled() {
+ Skip("Apparmor is not enabled")
+ }
+}
+
+var _ = Describe("Podman run", func() {
+ var (
+ tempdir string
+ err error
+ podmanTest *PodmanTestIntegration
+ )
+
+ BeforeEach(func() {
+ tempdir, err = CreateTempDirInTempDir()
+ if err != nil {
+ os.Exit(1)
+ }
+ podmanTest = PodmanTestCreate(tempdir)
+ podmanTest.Setup()
+ podmanTest.SeedImages()
+ })
+
+ AfterEach(func() {
+ podmanTest.Cleanup()
+ f := CurrentGinkgoTestDescription()
+ processTestResult(f)
+
+ })
+
+ It("podman run apparmor default", func() {
+ skipIfAppArmorDisabled()
+ session := podmanTest.Podman([]string{"create", ALPINE, "ls"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(Equal(0))
+
+ cid := session.OutputToString()
+ // Verify that apparmor.Profile is being set
+ inspect := podmanTest.InspectContainer(cid)
+ Expect(inspect[0].AppArmorProfile).To(Equal(apparmor.Profile))
+ })
+
+ It("podman run no apparmor --privileged", func() {
+ skipIfAppArmorDisabled()
+ session := podmanTest.Podman([]string{"create", "--privileged", ALPINE, "ls"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(Equal(0))
+
+ cid := session.OutputToString()
+ // Verify that apparmor.Profile is being set
+ inspect := podmanTest.InspectContainer(cid)
+ Expect(inspect[0].AppArmorProfile).To(Equal(""))
+ })
+
+ It("podman run no apparmor --security-opt=apparmor.Profile --privileged", func() {
+ skipIfAppArmorDisabled()
+ session := podmanTest.Podman([]string{"create", "--security-opt", fmt.Sprintf("apparmor=%s", apparmor.Profile), "--privileged", ALPINE, "ls"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(Equal(0))
+
+ cid := session.OutputToString()
+ // Verify that apparmor.Profile is being set
+ inspect := podmanTest.InspectContainer(cid)
+ Expect(inspect[0].AppArmorProfile).To(Equal(apparmor.Profile))
+ })
+
+ It("podman run apparmor aa-test-profile", func() {
+ skipIfAppArmorDisabled()
+ aaProfile := `
+#include <tunables/global>
+profile aa-test-profile flags=(attach_disconnected,mediate_deleted) {
+ #include <abstractions/base>
+ deny mount,
+ deny /sys/[^f]*/** wklx,
+ deny /sys/f[^s]*/** wklx,
+ deny /sys/fs/[^c]*/** wklx,
+ deny /sys/fs/c[^g]*/** wklx,
+ deny /sys/fs/cg[^r]*/** wklx,
+ deny /sys/firmware/efi/efivars/** rwklx,
+ deny /sys/kernel/security/** rwklx,
+}
+`
+ aaFile := filepath.Join(os.TempDir(), "aaFile")
+ Expect(ioutil.WriteFile(aaFile, []byte(aaProfile), 0755)).To(BeNil())
+ parse := SystemExec("apparmor_parser", []string{"-Kr", aaFile})
+ Expect(parse.ExitCode()).To(Equal(0))
+
+ session := podmanTest.Podman([]string{"create", "--security-opt", "apparmor=aa-test-profile", "ls"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(Equal(0))
+
+ cid := session.OutputToString()
+ // Verify that apparmor.Profile is being set
+ inspect := podmanTest.InspectContainer(cid)
+ Expect(inspect[0].AppArmorProfile).To(Equal("aa-test-profile"))
+ })
+
+ It("podman run apparmor invalid", func() {
+ skipIfAppArmorDisabled()
+ session := podmanTest.Podman([]string{"run", "--security-opt", "apparmor=invalid", ALPINE, "ls"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).ToNot(Equal(0))
+ })
+
+ It("podman run apparmor unconfined", func() {
+ skipIfAppArmorDisabled()
+ session := podmanTest.Podman([]string{"create", "--security-opt", "apparmor=unconfined", ALPINE, "ls"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(Equal(0))
+
+ cid := session.OutputToString()
+ // Verify that apparmor.Profile is being set
+ inspect := podmanTest.InspectContainer(cid)
+ Expect(inspect[0].AppArmorProfile).To(Equal("unconfined"))
+ })
+
+ It("podman run apparmor disabled --security-opt apparmor fails", func() {
+ skipIfAppArmorEnabled()
+ // Should fail if user specifies apparmor on disabled system
+ session := podmanTest.Podman([]string{"create", "--security-opt", fmt.Sprintf("apparmor=%s", apparmor.Profile), ALPINE, "ls"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).ToNot(Equal(0))
+ })
+
+ It("podman run apparmor disabled no default", func() {
+ skipIfAppArmorEnabled()
+ // Should succeed if user specifies apparmor on disabled system
+ session := podmanTest.Podman([]string{"create", ALPINE, "ls"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(Equal(0))
+
+ cid := session.OutputToString()
+ // Verify that apparmor.Profile is being set
+ inspect := podmanTest.InspectContainer(cid)
+ Expect(inspect[0].AppArmorProfile).To(Equal(""))
+ })
+})