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//go:build linux
// +build linux
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 $value := .Imports}}
{{$value}}
{{end}}
profile {{.Name}} flags=(attach_disconnected,mediate_deleted) {
{{range $value := .InnerImports}}
{{$value}}
{{end}}
network,
capability,
file,
umount,
{{if ge .Version 208096}}
# 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}},
# Container processes may send signals amongst themselves.
signal (send,receive) peer={{.Name}},
{{end}}
deny @{PROC}/* w, # deny write for all files directly in /proc (not in a subdir)
# deny write to files not in /proc/<number>/** or /proc/sys/**
deny @{PROC}/{[^1-9],[^1-9][^0-9],[^1-9s][^0-9y][^0-9s],[^1-9][^0-9][^0-9][^0-9]*}/** w,
deny @{PROC}/sys/[^k]** w, # deny /proc/sys except /proc/sys/k* (effectively /proc/sys/kernel)
deny @{PROC}/sys/kernel/{?,??,[^s][^h][^m]**} w, # deny everything except shm* in /proc/sys/kernel/
deny @{PROC}/sysrq-trigger rwklx,
deny @{PROC}/kcore rwklx,
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/** rwklx,
deny /sys/kernel/security/** rwklx,
{{if ge .Version 208095}}
# suppress ptrace denials when using 'docker ps' or using 'ps' inside a container
ptrace (trace,read,tracedby,readby) peer={{.Name}},
{{end}}
}
`
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