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nixos/pam_mount: add more config options

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This commit is contained in:
Jennifer Graul 2022-04-03 08:10:37 +02:00 committed by Yuka
parent b20a1c34c2
commit 3a8da578a7
1 changed files with 78 additions and 6 deletions
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84
nixos/modules/security/pam_mount.nix
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@ -5,6 +5,14 @@ with lib;
let
cfg = config.security.pam.mount;
oflRequired = cfg.logoutHup || cfg.logoutTerm || cfg.logoutKill;
fake_ofl = pkgs.writeShellScriptBin "fake_ofl" ''
SIGNAL=$1
MNTPT=$2
${pkgs.lsof}/bin/lsof | ${pkgs.gnugrep}/bin/grep $MNTPT | ${pkgs.gawk}/bin/awk '{print $2}' | ${pkgs.findutils}/bin/xargs ${pkgs.util-linux}/bin/kill -$SIGNAL
'';
anyPamMount = any (attrByPath ["pamMount"] false) (attrValues config.security.pam.services);
in
@ -51,6 +59,71 @@ in
You can define volume-specific options in the volume definitions.
'';
};
debugLevel = mkOption {
type = types.int;
default = 0;
example = 1;
description = ''
Sets the Debug-Level. 0 disables debugging, 1 enables pam_mount tracing,
and 2 additionally enables tracing in mount.crypt. The default is 0.
For more information, visit <link
xlink:href="http://pam-mount.sourceforge.net/pam_mount.conf.5.html" />.
'';
};
logoutWait = mkOption {
type = types.int;
default = 0;
description = ''
Amount of microseconds to wait until killing remaining processes after
final logout.
For more information, visit <link
xlink:href="http://pam-mount.sourceforge.net/pam_mount.conf.5.html" />.
'';
};
logoutHup = mkOption {
type = types.bool;
default = false;
description = ''
Kill remaining processes after logout by sending a SIGHUP.
'';
};
logoutTerm = mkOption {
type = types.bool;
default = false;
description = ''
Kill remaining processes after logout by sending a SIGTERM.
'';
};
logoutKill = mkOption {
type = types.bool;
default = false;
description = ''
Kill remaining processes after logout by sending a SIGKILL.
'';
};
createMountPoints = mkOption {
type = types.bool;
default = true;
description = ''
Create mountpoints for volumes if they do not exist.
'';
};
removeCreatedMountPoints = mkOption {
type = types.bool;
default = true;
description = ''
Remove mountpoints created by pam_mount after logout. This
only affects mountpoints that have been created by pam_mount
in the same session.
'';
};
};
};
@ -77,21 +150,20 @@ in
<!DOCTYPE pam_mount SYSTEM "pam_mount.conf.xml.dtd">
<!-- auto generated from Nixos: modules/config/users-groups.nix -->
<pam_mount>
<debug enable="0" />
<debug enable="${toString cfg.debugLevel}" />
<!-- if activated, requires ofl from hxtools to be present -->
<logout wait="0" hup="no" term="no" kill="no" />
<logout wait="${toString cfg.logoutWait}" hup="${if cfg.logoutHup then "yes" else "no"}" term="${if cfg.logoutTerm then "yes" else "no"}" kill="${if cfg.logoutKill then "yes" else "no"}" />
<!-- set PATH variable for pam_mount module -->
<path>${makeBinPath ([ pkgs.util-linux ] ++ cfg.additionalSearchPaths)}</path>
<!-- create mount point if not present -->
<mkmountpoint enable="1" remove="true" />
<mkmountpoint enable="${if cfg.createMountPoints then "1" else "0"}" remove="${if cfg.removeCreatedMountPoints then "true" else "false"}" />
<!-- specify the binaries to be called -->
<fusemount>${pkgs.fuse}/bin/mount.fuse %(VOLUME) %(MNTPT) -o ${concatStringsSep "," (cfg.fuseMountOptions ++ [ "%(OPTIONS)" ])}</fusemount>
<fuseumount>${pkgs.fuse}/bin/fusermount -u %(MNTPT)</fuseumount>
<cryptmount>${pkgs.pam_mount}/bin/mount.crypt %(VOLUME) %(MNTPT)</cryptmount>
<cryptumount>${pkgs.pam_mount}/bin/umount.crypt %(MNTPT)</cryptumount>
<pmvarrun>${pkgs.pam_mount}/bin/pmvarrun -u %(USER) -o %(OPERATION)</pmvarrun>
${optionalString oflRequired "<ofl>${fake_ofl}/bin/fake_ofl %(SIGNAL) %(MNTPT)</ofl>"}
${concatStrings (map userVolumeEntry (attrValues extraUserVolumes))}
${concatStringsSep "\n" cfg.extraVolumes}
</pam_mount>