53 lines
1.9 KiB
Nix
53 lines
1.9 KiB
Nix
{ config, lib, pkgs, sane-lib, utils, ... }:
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let
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persist-base = config.sane.persist.stores."plaintext".origin;
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private-dir = config.sane.persist.stores."private".origin;
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private-backing-dir = sane-lib.path.concat [ persist-base private-dir ];
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in
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lib.mkIf config.sane.persist.enable
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{
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sane.persist.stores."private" = {
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storeDescription = ''
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encrypted store which persists across boots.
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typical use case is for the user to encrypt this store using their login password so that it
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can be auto-unlocked at login.
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'';
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origin = lib.mkDefault "/mnt/private";
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defaultOrdering = let
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private-unit = config.sane.fs."${private-dir}".unit;
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in {
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# auto create only after the store is mounted
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wantedBy = [ private-unit ];
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# we can't create things in private before local-fs.target
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wantedBeforeBy = [ ];
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};
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defaultMethod = "symlink";
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};
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fileSystems."${private-dir}" = {
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device = private-backing-dir;
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fsType = "fuse.gocryptfs";
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options = [
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"noauto" # don't try to mount, until the user logs in!
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"nofail"
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# "nodev" # "Unknown parameter 'nodev'". gocryptfs requires this be passed as `-ko nodev`
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# "noexec" # handful of scripts in ~/private/knowledge that are executable
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# "nosuid" # "Unknown parameter 'nosuid'". gocryptfs requires this be passed as `-ko nosuid` (also nosuid is default)
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"allow_other" # root ends up being the user that mounts this, so need to make it visible to other users.
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# "quiet"
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# "defaults" # "unknown flag: --defaults. Try 'gocryptfs -help'"
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];
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noCheck = true;
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};
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# let sane.fs know about the mount
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sane.fs."${private-dir}".mount = {};
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# it also needs to know that the underlying device is an ordinary folder
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sane.fs."${private-backing-dir}".dir = {};
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# TODO: could add this *specifically* to the .mount file for the encrypted fs?
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system.fsPackages = [ pkgs.gocryptfs ]; # fuse needs to find gocryptfs
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}
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