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Merge pull request #41337 from cyphar/apparmor-update-profile 

apparmor: permit signals from unconfined programs
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Justin Cormack 2020-09-11 12:05:40 +01:00 committed by GitHub
parent ea2f17e7f4 725eced4e0
commit 7ca355652f
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1 changed files with 10 additions and 2 deletions
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12
profiles/apparmor/template.go
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@ -2,6 +2,12 @@
package apparmor // import "github.com/docker/docker/profiles/apparmor"
// NOTE: This profile is replicated in containerd and libpod. If you make a
// change to this profile, please make follow-up PRs to those projects so
// that these rules can be synchronised (because any issue with this
// profile will likely affect libpod and containerd).
// TODO: Move this to a common project so we can maintain it in one spot.
// baseTemplate defines the default apparmor profile for containers.
const baseTemplate = `
{{range $value := .Imports}}
@ -18,9 +24,11 @@ profile {{.Name}} flags=(attach_disconnected,mediate_deleted) {
file,
umount,
{{if ge .Version 208096}}
{{/* Allow 'docker kill' to actually send signals to container processes. */}}
# Host (privileged) processes may send signals to container processes.
signal (receive) peer=unconfined,
# dockerd may send signals to container processes (for "docker kill").
signal (receive) peer={{.DaemonProfile}},
{{/* Allow container processes to send signals amongst themselves. */}}
# Container processes may send signals amongst themselves.
signal (send,receive) peer={{.Name}},
{{end}}