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-rw-r--r--nixpkgs/nixos/modules/security/lock-kernel-modules.nix4
-rw-r--r--nixpkgs/nixos/modules/security/pam.nix13
-rw-r--r--nixpkgs/nixos/modules/security/please.nix9
-rw-r--r--nixpkgs/nixos/modules/security/sudo-rs.nix77
4 files changed, 37 insertions, 66 deletions
diff --git a/nixpkgs/nixos/modules/security/lock-kernel-modules.nix b/nixpkgs/nixos/modules/security/lock-kernel-modules.nix
index 333b64801426..461b9ffe7ee0 100644
--- a/nixpkgs/nixos/modules/security/lock-kernel-modules.nix
+++ b/nixpkgs/nixos/modules/security/lock-kernel-modules.nix
@@ -1,4 +1,4 @@
-{ config, pkgs, lib, ... }:
+{ config, lib, ... }:
 
 with lib;
 
@@ -49,7 +49,7 @@ with lib;
         };
 
       script = ''
-        ${pkgs.udev}/bin/udevadm settle
+        ${config.systemd.package}/bin/udevadm settle
         echo -n 1 >/proc/sys/kernel/modules_disabled
       '';
     };
diff --git a/nixpkgs/nixos/modules/security/pam.nix b/nixpkgs/nixos/modules/security/pam.nix
index b7e1ea526535..c99615d5a636 100644
--- a/nixpkgs/nixos/modules/security/pam.nix
+++ b/nixpkgs/nixos/modules/security/pam.nix
@@ -943,6 +943,11 @@ let
       value.source = pkgs.writeText "${name}.pam" service.text;
     };
 
+  optionalSudoConfigForSSHAgentAuth = optionalString config.security.pam.enableSSHAgentAuth ''
+    # Keep SSH_AUTH_SOCK so that pam_ssh_agent_auth.so can do its magic.
+    Defaults env_keep+=SSH_AUTH_SOCK
+  '';
+
 in
 
 {
@@ -1532,9 +1537,7 @@ in
         concatLines
       ]);
 
-    security.sudo.extraConfig = optionalString config.security.pam.enableSSHAgentAuth ''
-      # Keep SSH_AUTH_SOCK so that pam_ssh_agent_auth.so can do its magic.
-      Defaults env_keep+=SSH_AUTH_SOCK
-    '';
-    };
+    security.sudo.extraConfig = optionalSudoConfigForSSHAgentAuth;
+    security.sudo-rs.extraConfig = optionalSudoConfigForSSHAgentAuth;
+  };
 }
diff --git a/nixpkgs/nixos/modules/security/please.nix b/nixpkgs/nixos/modules/security/please.nix
index 88bb9cba2bfc..ff4bfc9f1be1 100644
--- a/nixpkgs/nixos/modules/security/please.nix
+++ b/nixpkgs/nixos/modules/security/please.nix
@@ -13,14 +13,7 @@ in
       file as another user
     '');
 
-    package = mkOption {
-      type = types.package;
-      default = pkgs.please;
-      defaultText = literalExpression "pkgs.please";
-      description = mdDoc ''
-        Which package to use for {command}`please`.
-      '';
-    };
+    package = mkPackageOption pkgs "please" { };
 
     wheelNeedsPassword = mkOption {
       type = types.bool;
diff --git a/nixpkgs/nixos/modules/security/sudo-rs.nix b/nixpkgs/nixos/modules/security/sudo-rs.nix
index 6b8f09a8d3d0..f991675827ef 100644
--- a/nixpkgs/nixos/modules/security/sudo-rs.nix
+++ b/nixpkgs/nixos/modules/security/sudo-rs.nix
@@ -4,16 +4,9 @@ with lib;
 
 let
 
-  inherit (pkgs) sudo sudo-rs;
-
   cfg = config.security.sudo-rs;
 
-  enableSSHAgentAuth =
-    with config.security;
-    pam.enableSSHAgentAuth && pam.sudo.sshAgentAuth;
-
-  usingMillersSudo = cfg.package.pname == sudo.pname;
-  usingSudoRs = cfg.package.pname == sudo-rs.pname;
+  inherit (config.security.pam) enableSSHAgentAuth;
 
   toUserString = user: if (isInt user) then "#${toString user}" else "${user}";
   toGroupString = group: if (isInt group) then "%#${toString group}" else "%${group}";
@@ -41,33 +34,19 @@ in
 
     defaultOptions = mkOption {
       type = with types; listOf str;
-      default = optional usingMillersSudo "SETENV";
-      defaultText = literalMD ''
-        `[ "SETENV" ]` if using the default `sudo` implementation
-      '';
+      default = [];
       description = mdDoc ''
         Options used for the default rules, granting `root` and the
         `wheel` group permission to run any command as any user.
       '';
     };
 
-    enable = mkOption {
-      type = types.bool;
-      default = false;
-      description = mdDoc ''
-        Whether to enable the {command}`sudo` command, which
-        allows non-root users to execute commands as root.
-      '';
-    };
+    enable = mkEnableOption (mdDoc ''
+      a memory-safe implementation of the {command}`sudo` command,
+      which allows non-root users to execute commands as root.
+    '');
 
-    package = mkOption {
-      type = types.package;
-      default = pkgs.sudo-rs;
-      defaultText = literalExpression "pkgs.sudo-rs";
-      description = mdDoc ''
-        Which package to use for `sudo`.
-      '';
-    };
+    package = mkPackageOption pkgs "sudo-rs" { };
 
     wheelNeedsPassword = mkOption {
       type = types.bool;
@@ -208,6 +187,12 @@ in
   ###### implementation
 
   config = mkIf cfg.enable {
+    assertions = [ {
+      assertion = ! config.security.sudo.enable;
+      message = "`security.sudo` and `security.sudo-rs` cannot both be enabled";
+    }];
+    security.sudo.enable = mkDefault false;
+
     security.sudo-rs.extraRules =
       let
         defaultRule = { users ? [], groups ? [], opts ? [] }: [ {
@@ -235,20 +220,16 @@ in
         # Don't edit this file. Set the NixOS options ‘security.sudo-rs.configFile’
         # or ‘security.sudo-rs.extraRules’ instead.
       ''
-      (optionalString enableSSHAgentAuth ''
-        # Keep SSH_AUTH_SOCK so that pam_ssh_agent_auth.so can do its magic.
-        Defaults env_keep+=SSH_AUTH_SOCK
-      '')
-      (concatStringsSep "\n" (
-        lists.flatten (
-          map (
-            rule: optionals (length rule.commands != 0) [
-              (map (user: "${toUserString user}	${rule.host}=(${rule.runAs})	${toCommandsString rule.commands}") rule.users)
-              (map (group: "${toGroupString group}	${rule.host}=(${rule.runAs})	${toCommandsString rule.commands}") rule.groups)
-            ]
-          ) cfg.extraRules
-        )
-      ) + "\n")
+      (pipe cfg.extraRules [
+        (filter (rule: length rule.commands != 0))
+        (map (rule: [
+          (map (user: "${toUserString user}     ${rule.host}=(${rule.runAs})    ${toCommandsString rule.commands}") rule.users)
+          (map (group: "${toGroupString group}  ${rule.host}=(${rule.runAs})    ${toCommandsString rule.commands}") rule.groups)
+        ]))
+        flatten
+        (concatStringsSep "\n")
+      ])
+      "\n"
       (optionalString (cfg.extraConfig != "") ''
         # extraConfig
         ${cfg.extraConfig}
@@ -265,18 +246,12 @@ in
         source = "${cfg.package.out}/bin/sudo";
         inherit owner group setuid permissions;
       };
-      # sudo-rs does not yet ship a sudoedit (as of v0.2.0)
-      sudoedit = mkIf usingMillersSudo {
-        source = "${cfg.package.out}/bin/sudoedit";
-        inherit owner group setuid permissions;
-      };
     };
 
-    environment.systemPackages = [ sudo ];
+    environment.systemPackages = [ cfg.package ];
 
     security.pam.services.sudo = { sshAgentAuth = true; usshAuth = true; };
-    security.pam.services.sudo-i = mkIf usingSudoRs
-      { sshAgentAuth = true; usshAuth = true; };
+    security.pam.services.sudo-i = { sshAgentAuth = true; usshAuth = true; };
 
     environment.etc.sudoers =
       { source =
@@ -285,7 +260,7 @@ in
             src = pkgs.writeText "sudoers-in" cfg.configFile;
             preferLocalBuild = true;
           }
-          "${pkgs.buildPackages."${cfg.package.pname}"}/bin/visudo -f $src -c && cp $src $out";
+          "${pkgs.buildPackages.sudo-rs}/bin/visudo -f $src -c && cp $src $out";
         mode = "0440";
       };