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path: root/pkg/apparmor/apparmor.go
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package apparmor

import (
	"errors"
)

var (
	// profileDirectory is the file store for apparmor profiles and macros.
	profileDirectory = "/etc/apparmor.d"
	// DefaultLibpodProfile is the name of default libpod AppArmor profile.
	DefaultLibpodProfile = "libpod-default"
	// ErrApparmorUnsupported indicates that AppArmor support is not supported.
	ErrApparmorUnsupported = errors.New("AppArmor is not supported")
)

const libpodProfileTemplate = `
{{range $value := .Imports}}
{{$value}}
{{end}}

profile {{.Name}} flags=(attach_disconnected,mediate_deleted) {
{{range $value := .InnerImports}}
  {{$value}}
{{end}}

  network,
  capability,
  file,
  umount,

  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 using 'ps' inside a container
  ptrace (trace,read) peer={{.Name}},
{{end}}
}
`