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Diffstat (limited to 'nixpkgs/nixos/modules/security/pam.nix')
| -rw-r--r-- | nixpkgs/nixos/modules/security/pam.nix | 795 |
1 files changed, 795 insertions, 0 deletions
diff --git a/nixpkgs/nixos/modules/security/pam.nix b/nixpkgs/nixos/modules/security/pam.nix new file mode 100644 index 00000000000..11227354ad3 --- /dev/null +++ b/nixpkgs/nixos/modules/security/pam.nix @@ -0,0 +1,795 @@ +# This module provides configuration for the PAM (Pluggable +# Authentication Modules) system. + +{ config, lib, pkgs, ... }: + +with lib; + +let + parentConfig = config; + + pamOpts = { config, name, ... }: let cfg = config; in let config = parentConfig; in { + + options = { + + name = mkOption { + example = "sshd"; + type = types.str; + description = "Name of the PAM service."; + }; + + unixAuth = mkOption { + default = true; + type = types.bool; + description = '' + Whether users can log in with passwords defined in + <filename>/etc/shadow</filename>. + ''; + }; + + rootOK = mkOption { + default = false; + type = types.bool; + description = '' + If set, root doesn't need to authenticate (e.g. for the + <command>useradd</command> service). + ''; + }; + + u2fAuth = mkOption { + default = config.security.pam.u2f.enable; + type = types.bool; + description = '' + If set, users listed in + <filename>$XDG_CONFIG_HOME/Yubico/u2f_keys</filename> (or + <filename>$HOME/.config/Yubico/u2f_keys</filename> if XDG variable is + not set) are able to log in with the associated U2F key. Path can be + changed using <option>security.pam.u2f.authFile</option> option. + ''; + }; + + yubicoAuth = mkOption { + default = config.security.pam.yubico.enable; + type = types.bool; + description = '' + If set, users listed in + <filename>~/.yubico/authorized_yubikeys</filename> + are able to log in with the asociated Yubikey tokens. + ''; + }; + + 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; + description = '' + If set, users listed in + <filename>/etc/pamusb.conf</filename> are able to log in + with the associated USB key. + ''; + }; + + otpwAuth = mkOption { + default = config.security.pam.enableOTPW; + type = types.bool; + description = '' + If set, the OTPW system will be used (if + <filename>~/.otpw</filename> exists). + ''; + }; + + googleOsLoginAccountVerification = mkOption { + default = false; + type = types.bool; + description = '' + If set, will use the Google OS Login PAM modules + (<literal>pam_oslogin_login</literal>, + <literal>pam_oslogin_admin</literal>) to verify possible OS Login + users and set sudoers configuration accordingly. + This only makes sense to enable for the <literal>sshd</literal> PAM + service. + ''; + }; + + googleOsLoginAuthentication = mkOption { + default = false; + type = types.bool; + description = '' + If set, will use the <literal>pam_oslogin_login</literal>'s user + authentication methods to authenticate users using 2FA. + This only makes sense to enable for the <literal>sshd</literal> PAM + service. + ''; + }; + + fprintAuth = mkOption { + default = config.services.fprintd.enable; + type = types.bool; + description = '' + If set, fingerprint reader will be used (if exists and + your fingerprints are enrolled). + ''; + }; + + oathAuth = mkOption { + default = config.security.pam.oath.enable; + type = types.bool; + description = '' + If set, the OATH Toolkit will be used. + ''; + }; + + sshAgentAuth = mkOption { + default = false; + type = types.bool; + description = '' + If set, the calling user's SSH agent is used to authenticate + against the keys in the calling user's + <filename>~/.ssh/authorized_keys</filename>. This is useful + for <command>sudo</command> on password-less remote systems. + ''; + }; + + duoSecurity = { + enable = mkOption { + default = false; + type = types.bool; + description = '' + If set, use the Duo Security pam module + <literal>pam_duo</literal> for authentication. Requires + configuration of <option>security.duosec</option> options. + ''; + }; + }; + + startSession = mkOption { + default = false; + type = types.bool; + description = '' + If set, the service will register a new session with + systemd's login manager. For local sessions, this will give + the user access to audio devices, CD-ROM drives. In the + default PolicyKit configuration, it also allows the user to + reboot the system. + ''; + }; + + setEnvironment = mkOption { + type = types.bool; + default = true; + description = '' + Whether the service should set the environment variables + listed in <option>environment.sessionVariables</option> + using <literal>pam_env.so</literal>. + ''; + }; + + setLoginUid = mkOption { + type = types.bool; + description = '' + Set the login uid of the process + (<filename>/proc/self/loginuid</filename>) for auditing + purposes. The login uid is only set by âentry pointsâ like + <command>login</command> and <command>sshd</command>, not by + commands like <command>sudo</command>. + ''; + }; + + forwardXAuth = mkOption { + default = false; + type = types.bool; + description = '' + Whether X authentication keys should be passed from the + calling user to the target user (e.g. for + <command>su</command>) + ''; + }; + + pamMount = mkOption { + default = config.security.pam.mount.enable; + type = types.bool; + description = '' + Enable PAM mount (pam_mount) system to mount fileystems on user login. + ''; + }; + + allowNullPassword = mkOption { + default = false; + type = types.bool; + description = '' + Whether to allow logging into accounts that have no password + set (i.e., have an empty password field in + <filename>/etc/passwd</filename> or + <filename>/etc/group</filename>). This does not enable + logging into disabled accounts (i.e., that have the password + field set to <literal>!</literal>). Note that regardless of + what the pam_unix documentation says, accounts with hashed + empty passwords are always allowed to log in. + ''; + }; + + requireWheel = mkOption { + default = false; + type = types.bool; + description = '' + Whether to permit root access only to members of group wheel. + ''; + }; + + limits = mkOption { + description = '' + Attribute set describing resource limits. Defaults to the + value of <option>security.pam.loginLimits</option>. + ''; + }; + + showMotd = mkOption { + default = false; + type = types.bool; + description = "Whether to show the message of the day."; + }; + + makeHomeDir = mkOption { + default = false; + type = types.bool; + description = '' + Whether to try to create home directories for users + with <literal>$HOME</literal>s pointing to nonexistent + locations on session login. + ''; + }; + + updateWtmp = mkOption { + default = false; + type = types.bool; + description = "Whether to update <filename>/var/log/wtmp</filename>."; + }; + + logFailures = mkOption { + default = false; + type = types.bool; + description = "Whether to log authentication failures in <filename>/var/log/faillog</filename>."; + }; + + enableAppArmor = mkOption { + default = false; + type = types.bool; + description = '' + Enable support for attaching AppArmor profiles at the + user/group level, e.g., as part of a role based access + control scheme. + ''; + }; + + enableKwallet = mkOption { + default = false; + type = types.bool; + description = '' + If enabled, pam_wallet will attempt to automatically unlock the + user's default KDE wallet upon login. If the user has no wallet named + "kdewallet", or the login password does not match their wallet + password, KDE will prompt separately after login. + ''; + }; + sssdStrictAccess = mkOption { + default = false; + type = types.bool; + description = "enforce sssd access control"; + }; + + enableGnomeKeyring = mkOption { + default = false; + type = types.bool; + description = '' + If enabled, pam_gnome_keyring will attempt to automatically unlock the + user's default Gnome keyring upon login. If the user login password does + not match their keyring password, Gnome Keyring will prompt separately + after login. + ''; + }; + + text = mkOption { + type = types.nullOr types.lines; + description = "Contents of the PAM service file."; + }; + + }; + + config = { + name = mkDefault name; + setLoginUid = mkDefault cfg.startSession; + limits = mkDefault config.security.pam.loginLimits; + + # !!! TODO: move the LDAP stuff to the LDAP module, and the + # Samba stuff to the Samba module. This requires that the PAM + # module provides the right hooks. + text = mkDefault + ('' + # Account management. + account required pam_unix.so + ${optionalString use_ldap + "account sufficient ${pam_ldap}/lib/security/pam_ldap.so"} + ${optionalString (config.services.sssd.enable && cfg.sssdStrictAccess==false) + "account sufficient ${pkgs.sssd}/lib/security/pam_sss.so"} + ${optionalString (config.services.sssd.enable && cfg.sssdStrictAccess) + "account [default=bad success=ok user_unknown=ignore] ${pkgs.sssd}/lib/security/pam_sss.so"} + ${optionalString config.krb5.enable + "account sufficient ${pam_krb5}/lib/security/pam_krb5.so"} + ${optionalString cfg.googleOsLoginAccountVerification '' + account [success=ok ignore=ignore default=die] ${pkgs.google-compute-engine-oslogin}/lib/pam_oslogin_login.so + account [success=ok default=ignore] ${pkgs.google-compute-engine-oslogin}/lib/pam_oslogin_admin.so + ''} + + # Authentication management. + ${optionalString cfg.googleOsLoginAuthentication + "auth [success=done perm_denied=bad default=ignore] ${pkgs.google-compute-engine-oslogin}/lib/pam_oslogin_login.so"} + ${optionalString cfg.rootOK + "auth sufficient pam_rootok.so"} + ${optionalString cfg.requireWheel + "auth required pam_wheel.so use_uid"} + ${optionalString cfg.logFailures + "auth required pam_tally.so"} + ${optionalString (config.security.pam.enableSSHAgentAuth && cfg.sshAgentAuth) + "auth sufficient ${pkgs.pam_ssh_agent_auth}/libexec/pam_ssh_agent_auth.so file=~/.ssh/authorized_keys:~/.ssh/authorized_keys2:/etc/ssh/authorized_keys.d/%u"} + ${optionalString cfg.fprintAuth + "auth sufficient ${pkgs.fprintd}/lib/security/pam_fprintd.so"} + ${let u2f = config.security.pam.u2f; in optionalString cfg.u2fAuth + "auth ${u2f.control} ${pkgs.pam_u2f}/lib/security/pam_u2f.so ${optionalString u2f.debug "debug"} ${optionalString (u2f.authFile != null) "authfile=${u2f.authFile}"} ${optionalString u2f.interactive "interactive"} ${optionalString u2f.cue "cue"}"} + ${optionalString cfg.usbAuth + "auth sufficient ${pkgs.pam_usb}/lib/security/pam_usb.so"} + ${let oath = config.security.pam.oath; in optionalString cfg.oathAuth + "auth requisite ${pkgs.oathToolkit}/lib/security/pam_oath.so window=${toString oath.window} usersfile=${toString oath.usersFile} digits=${toString oath.digits}"} + ${let yubi = config.security.pam.yubico; in optionalString cfg.yubicoAuth + "auth ${yubi.control} ${pkgs.yubico-pam}/lib/security/pam_yubico.so mode=${toString yubi.mode} ${optionalString (yubi.mode == "client") "id=${toString yubi.id}"} ${optionalString yubi.debug "debug"}"} + '' + + # Modules in this block require having the password set in PAM_AUTHTOK. + # pam_unix is marked as 'sufficient' on NixOS which means nothing will run + # after it succeeds. Certain modules need to run after pam_unix + # 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 + || cfg.googleAuthenticator.enable + || cfg.duoSecurity.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"} + ${optionalString cfg.pamMount + "auth optional ${pkgs.pam_mount}/lib/security/pam_mount.so"} + ${optionalString cfg.enableKwallet + ("auth optional ${pkgs.plasma5.kwallet-pam}/lib/security/pam_kwallet5.so" + + " kwalletd=${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.duoSecurity.enable + "auth required ${pkgs.duo-unix}/lib/security/pam_duo.so"} + '') + '' + ${optionalString cfg.unixAuth + "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 use_ldap + "auth sufficient ${pam_ldap}/lib/security/pam_ldap.so use_first_pass"} + ${optionalString config.services.sssd.enable + "auth sufficient ${pkgs.sssd}/lib/security/pam_sss.so use_first_pass"} + ${optionalString config.krb5.enable '' + auth [default=ignore success=1 service_err=reset] ${pam_krb5}/lib/security/pam_krb5.so use_first_pass + auth [default=die success=done] ${pam_ccreds}/lib/security/pam_ccreds.so action=validate use_first_pass + auth sufficient ${pam_ccreds}/lib/security/pam_ccreds.so action=store use_first_pass + ''} + auth required pam_deny.so + + # Password management. + password sufficient pam_unix.so nullok sha512 + ${optionalString config.security.pam.enableEcryptfs + "password optional ${pkgs.ecryptfs}/lib/security/pam_ecryptfs.so"} + ${optionalString cfg.pamMount + "password optional ${pkgs.pam_mount}/lib/security/pam_mount.so"} + ${optionalString use_ldap + "password sufficient ${pam_ldap}/lib/security/pam_ldap.so"} + ${optionalString config.services.sssd.enable + "password sufficient ${pkgs.sssd}/lib/security/pam_sss.so use_authtok"} + ${optionalString config.krb5.enable + "password sufficient ${pam_krb5}/lib/security/pam_krb5.so use_first_pass"} + ${optionalString config.services.samba.syncPasswordsByPam + "password optional ${pkgs.samba}/lib/security/pam_smbpass.so nullok use_authtok try_first_pass"} + ${optionalString cfg.enableGnomeKeyring + "password optional ${pkgs.gnome3.gnome-keyring}/lib/security/pam_gnome_keyring.so use_authtok"} + + # Session management. + ${optionalString cfg.setEnvironment '' + session required pam_env.so conffile=${config.system.build.pamEnvironment} readenv=0 + ''} + session required pam_unix.so + ${optionalString cfg.setLoginUid + "session ${ + if config.boot.isContainer then "optional" else "required" + } pam_loginuid.so"} + ${optionalString cfg.makeHomeDir + "session required ${pkgs.pam}/lib/security/pam_mkhomedir.so silent skel=${config.security.pam.makeHomeDir.skelDirectory} umask=0022"} + ${optionalString cfg.updateWtmp + "session required ${pkgs.pam}/lib/security/pam_lastlog.so silent"} + ${optionalString config.security.pam.enableEcryptfs + "session optional ${pkgs.ecryptfs}/lib/security/pam_ecryptfs.so"} + ${optionalString use_ldap + "session optional ${pam_ldap}/lib/security/pam_ldap.so"} + ${optionalString config.services.sssd.enable + "session optional ${pkgs.sssd}/lib/security/pam_sss.so"} + ${optionalString config.krb5.enable + "session optional ${pam_krb5}/lib/security/pam_krb5.so"} + ${optionalString cfg.otpwAuth + "session optional ${pkgs.otpw}/lib/security/pam_otpw.so"} + ${optionalString cfg.startSession + "session optional ${pkgs.systemd}/lib/security/pam_systemd.so"} + ${optionalString cfg.forwardXAuth + "session optional pam_xauth.so xauthpath=${pkgs.xorg.xauth}/bin/xauth systemuser=99"} + ${optionalString (cfg.limits != []) + "session required ${pkgs.pam}/lib/security/pam_limits.so conf=${makeLimitsConf cfg.limits}"} + ${optionalString (cfg.showMotd && config.users.motd != null) + "session optional ${pkgs.pam}/lib/security/pam_motd.so motd=${motd}"} + ${optionalString cfg.pamMount + "session optional ${pkgs.pam_mount}/lib/security/pam_mount.so"} + ${optionalString (cfg.enableAppArmor && config.security.apparmor.enable) + "session optional ${pkgs.apparmor-pam}/lib/security/pam_apparmor.so order=user,group,default debug"} + ${optionalString (cfg.enableKwallet) + ("session optional ${pkgs.plasma5.kwallet-pam}/lib/security/pam_kwallet5.so" + + " kwalletd=${pkgs.libsForQt5.kwallet.bin}/bin/kwalletd5")} + ${optionalString (cfg.enableGnomeKeyring) + "session optional ${pkgs.gnome3.gnome-keyring}/lib/security/pam_gnome_keyring.so auto_start"} + ${optionalString (config.virtualisation.lxc.lxcfs.enable) + "session optional ${pkgs.lxc}/lib/security/pam_cgfs.so -c all"} + ''); + }; + + }; + + + inherit (pkgs) pam_krb5 pam_ccreds; + + use_ldap = (config.users.ldap.enable && config.users.ldap.loginPam); + pam_ldap = if config.users.ldap.daemon.enable then pkgs.nss_pam_ldapd else pkgs.pam_ldap; + + # Create a limits.conf(5) file. + makeLimitsConf = limits: + pkgs.writeText "limits.conf" + (concatMapStrings ({ domain, type, item, value }: + "${domain} ${type} ${item} ${toString value}\n") + limits); + + motd = pkgs.writeText "motd" config.users.motd; + + makePAMService = pamService: + { source = pkgs.writeText "${pamService.name}.pam" pamService.text; + target = "pam.d/${pamService.name}"; + }; + +in + +{ + + ###### interface + + options = { + + security.pam.loginLimits = mkOption { + default = []; + example = + [ { domain = "ftp"; + type = "hard"; + item = "nproc"; + value = "0"; + } + { domain = "@student"; + type = "-"; + item = "maxlogins"; + value = "4"; + } + ]; + + description = + '' Define resource limits that should apply to users or groups. + Each item in the list should be an attribute set with a + <varname>domain</varname>, <varname>type</varname>, + <varname>item</varname>, and <varname>value</varname> + attribute. The syntax and semantics of these attributes + must be that described in the limits.conf(5) man page. + + Note that these limits do not apply to systemd services, + whose limits can be changed via <option>systemd.extraConfig</option> + instead. + ''; + }; + + security.pam.services = mkOption { + default = []; + type = with types; loaOf (submodule pamOpts); + description = + '' + This option defines the PAM services. A service typically + corresponds to a program that uses PAM, + e.g. <command>login</command> or <command>passwd</command>. + Each attribute of this set defines a PAM service, with the attribute name + defining the name of the service. + ''; + }; + + security.pam.makeHomeDir.skelDirectory = mkOption { + type = types.str; + default = "/var/empty"; + example = "/etc/skel"; + description = '' + Path to skeleton directory whose contents are copied to home + directories newly created by <literal>pam_mkhomedir</literal>. + ''; + }; + + security.pam.enableSSHAgentAuth = mkOption { + default = false; + description = + '' + Enable sudo logins if the user's SSH agent provides a key + present in <filename>~/.ssh/authorized_keys</filename>. + This allows machines to exclusively use SSH keys instead of + passwords. + ''; + }; + + security.pam.enableOTPW = mkOption { + default = false; + description = '' + Enable the OTPW (one-time password) PAM module. + ''; + }; + + security.pam.u2f = { + enable = mkOption { + default = false; + type = types.bool; + description = '' + Enables U2F PAM (<literal>pam-u2f</literal>) module. + + If set, users listed in + <filename>$XDG_CONFIG_HOME/Yubico/u2f_keys</filename> (or + <filename>$HOME/.config/Yubico/u2f_keys</filename> if XDG variable is + not set) are able to log in with the associated U2F key. The path can + be changed using <option>security.pam.u2f.authFile</option> option. + + File format is: + <literal>username:first_keyHandle,first_public_key: second_keyHandle,second_public_key</literal> + This file can be generated using <command>pamu2fcfg</command> command. + + More information can be found <link + xlink:href="https://developers.yubico.com/pam-u2f/">here</link>. + ''; + }; + + authFile = mkOption { + default = null; + type = with types; nullOr path; + description = '' + By default <literal>pam-u2f</literal> module reads the keys from + <filename>$XDG_CONFIG_HOME/Yubico/u2f_keys</filename> (or + <filename>$HOME/.config/Yubico/u2f_keys</filename> if XDG variable is + not set). + + If you want to change auth file locations or centralize database (for + example use <filename>/etc/u2f-mappings</filename>) you can set this + option. + + File format is: + <literal>username:first_keyHandle,first_public_key: second_keyHandle,second_public_key</literal> + This file can be generated using <command>pamu2fcfg</command> command. + + More information can be found <link + xlink:href="https://developers.yubico.com/pam-u2f/">here</link>. + ''; + }; + + control = mkOption { + default = "sufficient"; + type = types.enum [ "required" "requisite" "sufficient" "optional" ]; + description = '' + This option sets pam "control". + If you want to have multi factor authentication, use "required". + If you want to use U2F device instead of regular password, use "sufficient". + + Read + <citerefentry> + <refentrytitle>pam.conf</refentrytitle> + <manvolnum>5</manvolnum> + </citerefentry> + for better understanding of this option. + ''; + }; + + debug = mkOption { + default = false; + type = types.bool; + description = '' + Debug output to stderr. + ''; + }; + + interactive = mkOption { + default = false; + type = types.bool; + description = '' + Set to prompt a message and wait before testing the presence of a U2F device. + Recommended if your device doesnât have a tactile trigger. + ''; + }; + + cue = mkOption { + default = false; + type = types.bool; + description = '' + By default <literal>pam-u2f</literal> module does not inform user + that he needs to use the u2f device, it just waits without a prompt. + + If you set this option to <literal>true</literal>, + <literal>cue</literal> option is added to <literal>pam-u2f</literal> + module and reminder message will be displayed. + ''; + }; + }; + + security.pam.yubico = { + enable = mkOption { + default = false; + type = types.bool; + description = '' + Enables Yubico PAM (<literal>yubico-pam</literal>) module. + + If set, users listed in + <filename>~/.yubico/authorized_yubikeys</filename> + are able to log in with the associated Yubikey tokens. + + The file must have only one line: + <literal>username:yubikey_token_id1:yubikey_token_id2</literal> + More information can be found <link + xlink:href="https://developers.yubico.com/yubico-pam/">here</link>. + ''; + }; + control = mkOption { + default = "sufficient"; + type = types.enum [ "required" "requisite" "sufficient" "optional" ]; + description = '' + This option sets pam "control". + If you want to have multi factor authentication, use "required". + If you want to use Yubikey instead of regular password, use "sufficient". + + Read + <citerefentry> + <refentrytitle>pam.conf</refentrytitle> + <manvolnum>5</manvolnum> + </citerefentry> + for better understanding of this option. + ''; + }; + id = mkOption { + example = "42"; + type = types.str; + description = "client id"; + }; + + debug = mkOption { + default = false; + type = types.bool; + description = '' + Debug output to stderr. + ''; + }; + mode = mkOption { + default = "client"; + type = types.enum [ "client" "challenge-response" ]; + description = '' + Mode of operation. + + Use "client" for online validation with a YubiKey validation service such as + the YubiCloud. + + Use "challenge-response" for offline validation using YubiKeys with HMAC-SHA-1 + Challenge-Response configurations. See the man-page ykpamcfg(1) for further + details on how to configure offline Challenge-Response validation. + + More information can be found <link + xlink:href="https://developers.yubico.com/yubico-pam/Authentication_Using_Challenge-Response.html">here</link>. + ''; + }; + }; + + security.pam.enableEcryptfs = mkOption { + default = false; + description = '' + Enable eCryptfs PAM module (mounting ecryptfs home directory on login). + ''; + }; + + users.motd = mkOption { + default = null; + example = "Today is Sweetmorn, the 4th day of The Aftermath in the YOLD 3178."; + type = types.nullOr types.lines; + description = "Message of the day shown to users when they log in."; + }; + + }; + + + ###### implementation + + config = { + + environment.systemPackages = + # Include the PAM modules in the system path mostly for the manpages. + [ pkgs.pam ] + ++ optional config.users.ldap.enable pam_ldap + ++ optional config.services.sssd.enable pkgs.sssd + ++ optionals config.krb5.enable [pam_krb5 pam_ccreds] + ++ optionals config.security.pam.enableOTPW [ pkgs.otpw ] + ++ optionals config.security.pam.oath.enable [ pkgs.oathToolkit ] + ++ optionals config.security.pam.u2f.enable [ pkgs.pam_u2f ]; + + boot.supportedFilesystems = optionals config.security.pam.enableEcryptfs [ "ecryptfs" ]; + + security.wrappers = { + unix_chkpwd = { + source = "${pkgs.pam}/sbin/unix_chkpwd.orig"; + owner = "root"; + setuid = true; + }; + }; + + environment.etc = + mapAttrsToList (n: v: makePAMService v) config.security.pam.services; + + security.pam.services = + { other.text = + '' + auth required pam_warn.so + auth required pam_deny.so + account required pam_warn.so + account required pam_deny.so + password required pam_warn.so + password required pam_deny.so + session required pam_warn.so + session required pam_deny.so + ''; + + # Most of these should be moved to specific modules. + cups = {}; + ftp = {}; + i3lock = {}; + i3lock-color = {}; + screen = {}; + vlock = {}; + xlock = {}; + xscreensaver = {}; + + runuser = { rootOK = true; unixAuth = false; setEnvironment = false; }; + + /* FIXME: should runuser -l start a systemd session? Currently + it complains "Cannot create session: Already running in a + session". */ + runuser-l = { rootOK = true; unixAuth = false; }; + }; + + }; + +} |