Files
Sovran_SystemsOS/modules/core/ssh-bootstrap.nix
2026-03-28 07:54:29 -05:00

54 lines
1.5 KiB
Nix

{ config, pkgs, lib, ... }:
let
userName = "free";
keyPath = "/home/${userName}/.ssh/factory_login";
userExists = builtins.hasAttr userName config.users.users;
in
lib.mkIf userExists {
systemd.tmpfiles.rules = [
"d /root/.ssh 0700 root root -"
"d /home/${userName}/.ssh 0700 ${userName} users -"
];
systemd.services.factory-ssh-keygen = {
description = "Generate factory SSH key for ${userName} if missing";
wantedBy = [ "multi-user.target" ];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
};
path = [ pkgs.openssh pkgs.coreutils ];
script = ''
if [ ! -f "${keyPath}" ]; then
ssh-keygen -q -N "gosovransystems" -t ed25519 -f "${keyPath}"
chown ${userName}:users "${keyPath}" "${keyPath}.pub"
chmod 600 "${keyPath}"
chmod 644 "${keyPath}.pub"
fi
'';
};
systemd.services.factory-ssh-authorize = {
description = "Authorize factory SSH key for root";
wantedBy = [ "multi-user.target" ];
after = [ "factory-ssh-keygen.service" ];
requires = [ "factory-ssh-keygen.service" ];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
};
path = [ pkgs.coreutils ];
script = ''
if [ -f "${keyPath}.pub" ]; then
PUB=$(cat "${keyPath}.pub")
mkdir -p /root/.ssh
touch /root/.ssh/authorized_keys
grep -qxF "$PUB" /root/.ssh/authorized_keys || echo "$PUB" >> /root/.ssh/authorized_keys
chmod 600 /root/.ssh/authorized_keys
fi
'';
};
}