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# nixos-config - My current NixOS configuration
#
# Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de>
# SPDX-License-Identifier: GPL-3.0-or-later
#
# This file is part of my nixos-config.
#
# You should have received a copy of the License along with this program.
# If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
{
config,
lib,
pkgs,
...
}: let
cfg = config.soispha.programs.ssh;
mkDefaultMatchBlock = userKnownHostsFile: {
addKeysToAgent = "no";
compression = true;
controlMaster = "no";
controlPersist = "no";
forwardAgent = false;
hashKnownHosts = false;
serverAliveCountMax = 3;
serverAliveInterval = 240;
inherit userKnownHostsFile;
};
in {
options.soispha.programs.ssh = {
enable = lib.mkEnableOption "ssh config";
rootKnownHosts = lib.mkOption {
type = lib.types.attrsOf lib.types.str;
description = ''
An attrset of keys (the domain) and values (the host key.)
These are only applied to the root user.
'';
default = {};
apply = value:
builtins.concatStringsSep "\n"
(lib.attrsets.mapAttrsToList (hostName: hostKey: "${hostName} ${hostKey}") value);
};
};
config = lib.mkIf cfg.enable {
home-manager.users = {
root.programs.ssh = {
enable = true;
enableDefaultConfig = false;
matchBlocks."*" = mkDefaultMatchBlock (
builtins.toString (pkgs.writeTextFile {
name = "root-known-hosts";
text = cfg.rootKnownHosts;
})
);
};
soispha.programs.ssh = {
enable = true;
enableDefaultConfig = false;
matchBlocks."*" = mkDefaultMatchBlock "${config.home-manager.users.soispha.xdg.dataHome}/ssh/known_hosts";
};
};
};
}
|
