mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-24 06:33:42 +00:00
nixos/security.apparmor: remove with lib;
This commit is contained in:
parent
b1a2522f05
commit
236ed7869d
@ -1,30 +1,27 @@
|
||||
{ config, lib, pkgs, ... }:
|
||||
|
||||
with lib;
|
||||
|
||||
let
|
||||
inherit (builtins) attrNames head map match readFile;
|
||||
inherit (lib) types;
|
||||
inherit (config.environment) etc;
|
||||
cfg = config.security.apparmor;
|
||||
mkDisableOption = name: mkEnableOption name // {
|
||||
mkDisableOption = name: lib.mkEnableOption name // {
|
||||
default = true;
|
||||
example = false;
|
||||
};
|
||||
enabledPolicies = filterAttrs (n: p: p.enable) cfg.policies;
|
||||
enabledPolicies = lib.filterAttrs (n: p: p.enable) cfg.policies;
|
||||
in
|
||||
|
||||
{
|
||||
imports = [
|
||||
(mkRemovedOptionModule [ "security" "apparmor" "confineSUIDApplications" ] "Please use the new options: `security.apparmor.policies.<policy>.enable'.")
|
||||
(mkRemovedOptionModule [ "security" "apparmor" "profiles" ] "Please use the new option: `security.apparmor.policies'.")
|
||||
(lib.mkRemovedOptionModule [ "security" "apparmor" "confineSUIDApplications" ] "Please use the new options: `security.apparmor.policies.<policy>.enable'.")
|
||||
(lib.mkRemovedOptionModule [ "security" "apparmor" "profiles" ] "Please use the new option: `security.apparmor.policies'.")
|
||||
apparmor/includes.nix
|
||||
apparmor/profiles.nix
|
||||
];
|
||||
|
||||
options = {
|
||||
security.apparmor = {
|
||||
enable = mkEnableOption ''
|
||||
enable = lib.mkEnableOption ''
|
||||
the AppArmor Mandatory Access Control system.
|
||||
|
||||
If you're enabling this module on a running system,
|
||||
@ -41,7 +38,7 @@ in
|
||||
Enable [](#opt-security.apparmor.killUnconfinedConfinables)
|
||||
if you want this service to do such killing
|
||||
by sending a `SIGTERM` to those running processes'';
|
||||
policies = mkOption {
|
||||
policies = lib.mkOption {
|
||||
description = ''
|
||||
AppArmor policies.
|
||||
'';
|
||||
@ -49,7 +46,7 @@ in
|
||||
options = {
|
||||
enable = mkDisableOption "loading of the profile into the kernel";
|
||||
enforce = mkDisableOption "enforcing of the policy or only complain in the logs";
|
||||
profile = mkOption {
|
||||
profile = lib.mkOption {
|
||||
description = "The policy of the profile.";
|
||||
type = types.lines;
|
||||
apply = pkgs.writeText name;
|
||||
@ -58,28 +55,28 @@ in
|
||||
}));
|
||||
default = {};
|
||||
};
|
||||
includes = mkOption {
|
||||
includes = lib.mkOption {
|
||||
type = types.attrsOf types.lines;
|
||||
default = {};
|
||||
description = ''
|
||||
List of paths to be added to AppArmor's searched paths
|
||||
when resolving `include` directives.
|
||||
'';
|
||||
apply = mapAttrs pkgs.writeText;
|
||||
apply = lib.mapAttrs pkgs.writeText;
|
||||
};
|
||||
packages = mkOption {
|
||||
packages = lib.mkOption {
|
||||
type = types.listOf types.package;
|
||||
default = [];
|
||||
description = "List of packages to be added to AppArmor's include path";
|
||||
};
|
||||
enableCache = mkEnableOption ''
|
||||
enableCache = lib.mkEnableOption ''
|
||||
caching of AppArmor policies
|
||||
in `/var/cache/apparmor/`.
|
||||
|
||||
Beware that AppArmor policies almost always contain Nix store paths,
|
||||
and thus produce at each change of these paths
|
||||
a new cached version accumulating in the cache'';
|
||||
killUnconfinedConfinables = mkEnableOption ''
|
||||
killUnconfinedConfinables = lib.mkEnableOption ''
|
||||
killing of processes which have an AppArmor profile enabled
|
||||
(in [](#opt-security.apparmor.policies))
|
||||
but are not confined (because AppArmor can only confine new processes).
|
||||
@ -92,7 +89,7 @@ in
|
||||
};
|
||||
};
|
||||
|
||||
config = mkIf cfg.enable {
|
||||
config = lib.mkIf cfg.enable {
|
||||
assertions = map (policy:
|
||||
{ assertion = match ".*/.*" policy == null;
|
||||
message = "`security.apparmor.policies.\"${policy}\"' must not contain a slash.";
|
||||
@ -108,15 +105,15 @@ in
|
||||
environment.etc."apparmor.d".source = pkgs.linkFarm "apparmor.d" (
|
||||
# It's important to put only enabledPolicies here and not all cfg.policies
|
||||
# because aa-remove-unknown reads profiles from all /etc/apparmor.d/*
|
||||
mapAttrsToList (name: p: { inherit name; path = p.profile; }) enabledPolicies ++
|
||||
mapAttrsToList (name: path: { inherit name path; }) cfg.includes
|
||||
lib.mapAttrsToList (name: p: { inherit name; path = p.profile; }) enabledPolicies ++
|
||||
lib.mapAttrsToList (name: path: { inherit name path; }) cfg.includes
|
||||
);
|
||||
environment.etc."apparmor/parser.conf".text = ''
|
||||
${if cfg.enableCache then "write-cache" else "skip-cache"}
|
||||
cache-loc /var/cache/apparmor
|
||||
Include /etc/apparmor.d
|
||||
'' +
|
||||
concatMapStrings (p: "Include ${p}/etc/apparmor.d\n") cfg.packages;
|
||||
lib.concatMapStrings (p: "Include ${p}/etc/apparmor.d\n") cfg.packages;
|
||||
# For aa-logprof
|
||||
environment.etc."apparmor/apparmor.conf".text = ''
|
||||
'';
|
||||
@ -142,7 +139,7 @@ in
|
||||
# 3 - force all perms on the rule to be user
|
||||
default_owner_prompt = 1
|
||||
|
||||
custom_includes = /etc/apparmor.d ${concatMapStringsSep " " (p: "${p}/etc/apparmor.d") cfg.packages}
|
||||
custom_includes = /etc/apparmor.d ${lib.concatMapStringsSep " " (p: "${p}/etc/apparmor.d") cfg.packages}
|
||||
|
||||
[qualifiers]
|
||||
${pkgs.runtimeShell} = icnu
|
||||
@ -187,17 +184,17 @@ in
|
||||
xargs --verbose --no-run-if-empty --delimiter='\n' \
|
||||
kill
|
||||
'';
|
||||
commonOpts = p: "--verbose --show-cache ${optionalString (!p.enforce) "--complain "}${p.profile}";
|
||||
commonOpts = p: "--verbose --show-cache ${lib.optionalString (!p.enforce) "--complain "}${p.profile}";
|
||||
in {
|
||||
Type = "oneshot";
|
||||
RemainAfterExit = "yes";
|
||||
ExecStartPre = "${pkgs.apparmor-utils}/bin/aa-teardown";
|
||||
ExecStart = mapAttrsToList (n: p: "${pkgs.apparmor-parser}/bin/apparmor_parser --add ${commonOpts p}") enabledPolicies;
|
||||
ExecStartPost = optional cfg.killUnconfinedConfinables killUnconfinedConfinables;
|
||||
ExecStart = lib.mapAttrsToList (n: p: "${pkgs.apparmor-parser}/bin/apparmor_parser --add ${commonOpts p}") enabledPolicies;
|
||||
ExecStartPost = lib.optional cfg.killUnconfinedConfinables killUnconfinedConfinables;
|
||||
ExecReload =
|
||||
# Add or replace into the kernel profiles in enabledPolicies
|
||||
# (because AppArmor can do that without stopping the processes already confined).
|
||||
mapAttrsToList (n: p: "${pkgs.apparmor-parser}/bin/apparmor_parser --replace ${commonOpts p}") enabledPolicies ++
|
||||
lib.mapAttrsToList (n: p: "${pkgs.apparmor-parser}/bin/apparmor_parser --replace ${commonOpts p}") enabledPolicies ++
|
||||
# Remove from the kernel any profile whose name is not
|
||||
# one of the names within the content of the profiles in enabledPolicies
|
||||
# (indirectly read from /etc/apparmor.d/*, without recursing into sub-directory).
|
||||
@ -205,7 +202,7 @@ in
|
||||
[ "${pkgs.apparmor-utils}/bin/aa-remove-unknown" ] ++
|
||||
# Optionally kill the processes which are unconfined but now have a profile loaded
|
||||
# (because AppArmor can only start to confine new processes).
|
||||
optional cfg.killUnconfinedConfinables killUnconfinedConfinables;
|
||||
lib.optional cfg.killUnconfinedConfinables killUnconfinedConfinables;
|
||||
ExecStop = "${pkgs.apparmor-utils}/bin/aa-teardown";
|
||||
CacheDirectory = [ "apparmor" "apparmor/logprof" ];
|
||||
CacheDirectoryMode = "0700";
|
||||
@ -213,5 +210,5 @@ in
|
||||
};
|
||||
};
|
||||
|
||||
meta.maintainers = with maintainers; [ julm ];
|
||||
meta.maintainers = with lib.maintainers; [ julm ];
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user