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Merge pull request #13434 from spacefrogg/oath-module

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config.security.oath: new module
This commit is contained in:
zimbatm 2016-02-26 18:06:28 +00:00
parent c183117aee d09c7986de
commit 2c7e5a6d8e
3 changed files with 55 additions and 13 deletions
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1
nixos/modules/module-list.nix
View file

@ -93,6 +93,7 @@
./security/ca.nix
./security/duosec.nix
./security/grsecurity.nix
./security/oath.nix
./security/pam.nix
./security/pam_usb.nix
./security/pam_mount.nix

50
nixos/modules/security/oath.nix Normal file
View file

@ -0,0 +1,50 @@
# This module provides configuration for the OATH PAM modules.
{ config, lib, pkgs, ... }:
with lib;
{
options = {
security.pam.oath = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Enable the OATH (one-time password) PAM module.
'';
};
digits = mkOption {
type = types.enum [ 6 7 8 ];
default = 6;
description = ''
Specify the length of the one-time password in number of
digits.
'';
};
window = mkOption {
type = types.int;
default = 5;
description = ''
Specify the number of one-time passwords to check in order
to accommodate for situations where the system and the
client are slightly out of sync (iteration for HOTP or time
steps for TOTP).
'';
};
usersFile = mkOption {
type = types.path;
default = "/etc/users.oath";
description = ''
Set the path to file where the user's credentials are
stored. This file must not be world readable!
'';
};
};
};
}

17
nixos/modules/security/pam.nix
View file

@ -75,7 +75,7 @@ let
};
oathAuth = mkOption {
default = config.security.pam.enableOATH;
default = config.security.pam.oath.enable;
type = types.bool;
description = ''
If set, the OATH Toolkit will be used.
@ -259,8 +259,8 @@ let
"auth sufficient pam_unix.so ${optionalString cfg.allowNullPassword "nullok"} likeauth try_first_pass"}
${optionalString cfg.otpwAuth
"auth sufficient ${pkgs.otpw}/lib/security/pam_otpw.so"}
${optionalString cfg.oathAuth
"auth sufficient ${pkgs.oathToolkit}/lib/security/pam_oath.so window=5 usersfile=/etc/users.oath"}
${let oath = config.security.pam.oath; in optionalString cfg.oathAuth
"auth sufficient ${pkgs.oathToolkit}/lib/security/pam_oath.so window=${toString oath.window} usersfile=${toString oath.usersFile} digits=${toString oath.digits}"}
${optionalString config.users.ldap.enable
"auth sufficient ${pam_ldap}/lib/security/pam_ldap.so use_first_pass"}
${optionalString config.krb5.enable ''
@ -302,8 +302,6 @@ let
"session optional ${pam_krb5}/lib/security/pam_krb5.so"}
${optionalString cfg.otpwAuth
"session optional ${pkgs.otpw}/lib/security/pam_otpw.so"}
${optionalString cfg.oathAuth
"session optional ${pkgs.oathToolkit}/lib/security/pam_oath.so window=5 usersfile=/etc/users.oath"}
${optionalString cfg.startSession
"session optional ${pkgs.systemd}/lib/security/pam_systemd.so"}
${optionalString cfg.forwardXAuth
@ -405,13 +403,6 @@ in
'';
};
security.pam.enableOATH = mkOption {
default = false;
description = ''
Enable the OATH (one-time password) PAM module.
'';
};
security.pam.enableU2F = mkOption {
default = false;
description = ''
@ -446,7 +437,7 @@ in
++ optional config.users.ldap.enable pam_ldap
++ optionals config.krb5.enable [pam_krb5 pam_ccreds]
++ optionals config.security.pam.enableOTPW [ pkgs.otpw ]
++ optionals config.security.pam.enableOATH [ pkgs.oathToolkit ]
++ optionals config.security.pam.oath.enable [ pkgs.oathToolkit ]
++ optionals config.security.pam.enableU2F [ pkgs.pam_u2f ]
++ optionals config.security.pam.enableEcryptfs [ pkgs.ecryptfs ];