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nixos/pam: support for Google Authenticator

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This commit is contained in:
Dawid Ciężarkiewicz 2018-02-07 23:18:30 -08:00
parent e860b651d6
commit 5c746a0a84
1 changed files with 20 additions and 1 deletions
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21
nixos/modules/security/pam.nix
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@ -46,6 +46,18 @@ let
'';
};
googleAuthenticator = {
enable = mkOption {
default = false;
type = types.bool;
description = ''
If set, users with enabled Google Authenticator (created
<filename>~/.google_authenticator</filename>) will be required
to provide Google Authenticator token to log in.
'';
};
};
usbAuth = mkOption {
default = config.security.pam.usb.enable;
type = types.bool;
@ -284,7 +296,12 @@ let
# prompts the user for password so we run it once with 'required' at an
# earlier point and it will run again with 'sufficient' further down.
# We use try_first_pass the second time to avoid prompting password twice
(optionalString (cfg.unixAuth && (config.security.pam.enableEcryptfs || cfg.pamMount || cfg.enableKwallet || cfg.enableGnomeKeyring)) ''
(optionalString (cfg.unixAuth &&
(config.security.pam.enableEcryptfs
|| cfg.pamMount
|| cfg.enableKwallet
|| cfg.enableGnomeKeyring
|| cfg.googleAuthenticator.enable)) ''
auth required pam_unix.so ${optionalString cfg.allowNullPassword "nullok"} likeauth
${optionalString config.security.pam.enableEcryptfs
"auth optional ${pkgs.ecryptfs}/lib/security/pam_ecryptfs.so unwrap"}
@ -295,6 +312,8 @@ let
" kwalletd=${pkgs.libsForQt5.kwallet.bin}/bin/kwalletd5")}
${optionalString cfg.enableGnomeKeyring
("auth optional ${pkgs.gnome3.gnome_keyring}/lib/security/pam_gnome_keyring.so")}
${optionalString cfg.googleAuthenticator.enable
"auth required ${pkgs.googleAuthenticator}/lib/security/pam_google_authenticator.so no_increment_hotp"}
'') + ''
${optionalString cfg.unixAuth
"auth sufficient pam_unix.so ${optionalString cfg.allowNullPassword "nullok"} likeauth try_first_pass"}