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nixos/pam: add pam_tty_audit option

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Maciej Krüger 2021-09-13 14:43:12 +02:00
parent eeaf2004b0
commit f3d00b3a94
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1 changed files with 46 additions and 0 deletions
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46
nixos/modules/security/pam.nix
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@ -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