diff --git a/nixos/modules/security/pam.nix b/nixos/modules/security/pam.nix index 4c18fa8cc67f..e12c52e3d34e 100644 --- a/nixos/modules/security/pam.nix +++ b/nixos/modules/security/pam.nix @@ -197,6 +197,46 @@ let ''; }; + ttyAudit = { + enable = mkOption { + type = types.bool; + default = false; + description = '' + Enable or disable TTY auditing for specified users + ''; + }; + + enablePattern = mkOption { + type = types.nullOr types.str; + default = null; + description = '' + For each user matching one of comma-separated + glob patterns, enable TTY auditing + ''; + }; + + disablePattern = mkOption { + type = types.nullOr types.str; + default = null; + description = '' + For each user matching one of comma-separated + glob patterns, disable TTY auditing + ''; + }; + + openOnly = mkOption { + type = types.bool; + default = false; + description = '' + Set the TTY audit flag when opening the session, + but do not restore it when closing the session. + Using this option is necessary for some services + that don't fork() to run the authenticated session, + such as sudo. + ''; + }; + }; + forwardXAuth = mkOption { default = false; type = types.bool; @@ -482,6 +522,12 @@ let "session ${ if config.boot.isContainer then "optional" else "required" } pam_loginuid.so"} + ${optionalString cfg.ttyAudit.enable + "session required ${pkgs.pam}/lib/security/pam_tty_audit.so + open_only=${toString cfg.ttyAudit.openOnly} + ${optionalString (cfg.ttyAudit.enablePattern != null) "enable=${cfg.ttyAudit.enablePattern}"} + ${optionalString (cfg.ttyAudit.disablePattern != null) "disable=${cfg.ttyAudit.disablePattern}"} + "} ${optionalString cfg.makeHomeDir "session required ${pkgs.pam}/lib/security/pam_mkhomedir.so silent skel=${config.security.pam.makeHomeDir.skelDirectory} umask=0022"} ${optionalString cfg.updateWtmp diff --git a/pkgs/os-specific/linux/pam/default.nix b/pkgs/os-specific/linux/pam/default.nix index fb993699494f..12ff9f493a37 100644 --- a/pkgs/os-specific/linux/pam/default.nix +++ b/pkgs/os-specific/linux/pam/default.nix @@ -1,4 +1,4 @@ -{ lib, stdenv, buildPackages, fetchurl, flex, cracklib, db4, gettext +{ lib, stdenv, buildPackages, fetchurl, flex, cracklib, db4, gettext, audit , nixosTests , withLibxcrypt ? false, libxcrypt }: @@ -18,7 +18,7 @@ stdenv.mkDerivation rec { nativeBuildInputs = [ flex ] ++ lib.optional stdenv.buildPlatform.isDarwin gettext; - buildInputs = [ cracklib db4 ] + buildInputs = [ cracklib db4 audit ] ++ lib.optional withLibxcrypt libxcrypt; enableParallelBuilding = true;