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91 lines
2.7 KiB
Go
91 lines
2.7 KiB
Go
//go:build linux
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// +build linux
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package daemon
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import (
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"testing"
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"github.com/containerd/containerd/pkg/apparmor"
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containertypes "github.com/docker/docker/api/types/container"
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"github.com/docker/docker/container"
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"github.com/docker/docker/daemon/config"
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"github.com/docker/docker/daemon/exec"
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specs "github.com/opencontainers/runtime-spec/specs-go"
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"gotest.tools/v3/assert"
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)
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func TestExecSetPlatformOptAppArmor(t *testing.T) {
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appArmorEnabled := apparmor.HostSupports()
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tests := []struct {
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doc string
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privileged bool
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appArmorProfile string
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expectedProfile string
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}{
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{
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doc: "default options",
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expectedProfile: defaultAppArmorProfile,
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},
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{
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doc: "custom profile",
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appArmorProfile: "my-custom-profile",
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expectedProfile: "my-custom-profile",
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},
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{
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doc: "privileged container",
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privileged: true,
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expectedProfile: unconfinedAppArmorProfile,
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},
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{
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doc: "privileged container, custom profile",
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privileged: true,
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appArmorProfile: "my-custom-profile",
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expectedProfile: "my-custom-profile",
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// FIXME: execSetPlatformOpts prefers custom profiles over "privileged",
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// which looks like a bug (--privileged on the container should
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// disable apparmor, seccomp, and selinux); see the code at:
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// https://github.com/moby/moby/blob/46cdcd206c56172b95ba5c77b827a722dab426c5/daemon/exec_linux.go#L32-L40
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// expectedProfile: unconfinedAppArmorProfile,
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},
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}
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d := &Daemon{configStore: &config.Config{}}
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// Currently, `docker exec --privileged` inherits the Privileged configuration
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// of the container, and does not disable AppArmor.
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// See https://github.com/moby/moby/pull/31773#discussion_r105586900
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//
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// This behavior may change in future, but to verify the current behavior,
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// we run the test both with "exec" and "exec --privileged", which should
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// both give the same result.
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for _, execPrivileged := range []bool{false, true} {
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for _, tc := range tests {
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tc := tc
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doc := tc.doc
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if !appArmorEnabled {
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// no profile should be set if the host does not support AppArmor
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doc += " (apparmor disabled)"
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tc.expectedProfile = ""
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}
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if execPrivileged {
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doc += " (exec privileged)"
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}
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t.Run(doc, func(t *testing.T) {
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c := &container.Container{
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AppArmorProfile: tc.appArmorProfile,
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HostConfig: &containertypes.HostConfig{
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Privileged: tc.privileged,
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},
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}
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ec := &exec.Config{Privileged: execPrivileged}
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p := &specs.Process{}
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err := d.execSetPlatformOpt(c, ec, p)
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assert.NilError(t, err)
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assert.Equal(t, p.ApparmorProfile, tc.expectedProfile)
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})
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}
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}
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}
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