feat(profile): add lsns.

apparmor.d/groups/utils/lsns

@@ -0,0 +1,42 @@
+# apparmor.d - Full set of apparmor profiles
+# Copyright (C) 2025 Alexandre Pujol <alexandre@pujol.io>
+# SPDX-License-Identifier: GPL-2.0-only
+
+abi <abi/4.0>,
+
+include <tunables/global>
+
+@{exec_path} = @{bin}/lsns
+profile lsns @{exec_path} flags=(attach_disconnected) {
+  include <abstractions/base>
+  include <abstractions/consoles>
+  include <abstractions/nameservice-strict>
+
+  capability net_admin,
+  capability sys_ptrace,
+  capability dac_read_search,
+
+  network,
+
+  ptrace read,
+  ptrace trace,
+
+  @{exec_path} mr,
+
+  @{att}/ r,
+
+  @{run}/*/netns/** r,
+  @{run}/*/ns/** r,
+
+        @{PROC}/ r,
+        @{PROC}/@{pid}/ r,
+        @{PROC}/@{pid}/stat r,
+        @{PROC}/@{pid}/cmdline r,
+        @{PROC}/@{pid}/comm r,
+        @{PROC}/@{pid}/fd/ r,
+  owner @{PROC}/@{pid}/mountinfo r,
+
+  include if exists <local/lsns>
+}
+
+# vim:syntax=apparmor

tests/integration/utils/lsns.bats

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+#!/usr/bin/env bats
+# apparmor.d - Full set of apparmor profiles
+# Copyright (C) 2024 Alexandre Pujol <alexandre@pujol.io>
+# SPDX-License-Identifier: GPL-2.0-only
+
+load ../common
+
+@test "lsns: List all namespaces" {
+    lsns
+    sudo lsns
+}
+
+@test "lsns: List namespaces in JSON format" {
+    sudo lsns --json
+}
+
+@test "lsns: List namespaces associated with the specified process" {
+    sudo lsns --task 1
+}
+
+@test "lsns: List the specified type of namespaces only" {
+    sudo lsns --type mnt
+    sudo lsns --type net
+    sudo lsns --type ipc
+    sudo lsns --type user
+    sudo lsns --type pid
+    sudo lsns --type uts
+    sudo lsns --type cgroup
+    sudo lsns --type time
+}
+