Files
Sovran_SystemsOS/modules/rdp.nix
2026-03-27 14:23:08 -05:00

108 lines
3.6 KiB
Nix
Executable File

{ config, pkgs, lib, ... }:
lib.mkIf config.sovran_systemsOS.features.rdp {
services.gnome.gnome-remote-desktop.enable = true;
networking.firewall.allowedTCPPorts = [ 3389 ];
environment.systemPackages = with pkgs; [
freerdp
];
# The NixOS module installs the unit but doesn't enable it — we just need to start it and order it
systemd.services.gnome-remote-desktop = {
wantedBy = [ "graphical.target" ];
after = [ "gnome-remote-desktop-setup.service" ];
wants = [ "gnome-remote-desktop-setup.service" ];
};
systemd.tmpfiles.rules = [
"d /var/lib/gnome-remote-desktop 0750 gnome-remote-desktop gnome-remote-desktop -"
"d /var/lib/gnome-remote-desktop/.local 0750 gnome-remote-desktop gnome-remote-desktop -"
"d /var/lib/gnome-remote-desktop/.local/share 0750 gnome-remote-desktop gnome-remote-desktop -"
"d /var/lib/gnome-remote-desktop/.local/share/gnome-remote-desktop 0750 gnome-remote-desktop gnome-remote-desktop -"
];
systemd.services.gnome-remote-desktop-setup = {
description = "Configure GNOME Remote Desktop RDP";
wantedBy = [ "multi-user.target" ];
before = [ "gnome-remote-desktop.service" ];
after = [ "systemd-tmpfiles-setup.service" "network-online.target" ];
wants = [ "network-online.target" ];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
};
path = [
pkgs.gnome-remote-desktop
pkgs.polkit
pkgs.openssl
pkgs.hostname
pkgs.gawk
];
script = ''
# Ensure directory structure exists
mkdir -p /var/lib/gnome-remote-desktop/.local/share/gnome-remote-desktop
chown -R gnome-remote-desktop:gnome-remote-desktop /var/lib/gnome-remote-desktop
TLS_DIR="/var/lib/gnome-remote-desktop/tls"
CRED_FILE="/var/lib/gnome-remote-desktop/rdp-credentials"
# Generate TLS certificate if it doesn't exist
if [ ! -f "$TLS_DIR/rdp-tls.crt" ]; then
mkdir -p "$TLS_DIR"
openssl req -x509 -newkey ec -pkeyopt ec_paramgen_curve:prime256v1 \
-sha256 -nodes -days 3650 \
-keyout "$TLS_DIR/rdp-tls.key" \
-out "$TLS_DIR/rdp-tls.crt" \
-subj "/CN=gnome-remote-desktop"
chown -R gnome-remote-desktop:gnome-remote-desktop "$TLS_DIR"
chmod 600 "$TLS_DIR/rdp-tls.key"
chmod 644 "$TLS_DIR/rdp-tls.crt"
echo "Generated RDP TLS certificate"
fi
# Configure TLS certificate
grdctl --system rdp set-tls-cert "$TLS_DIR/rdp-tls.crt"
grdctl --system rdp set-tls-key "$TLS_DIR/rdp-tls.key"
# Generate password on first boot only
PASSWORD=""
if [ ! -f /var/lib/gnome-remote-desktop/rdp-password ]; then
PASSWORD=$(openssl rand -base64 16)
echo "$PASSWORD" > /var/lib/gnome-remote-desktop/rdp-password
chmod 600 /var/lib/gnome-remote-desktop/rdp-password
else
PASSWORD=$(cat /var/lib/gnome-remote-desktop/rdp-password)
fi
# Get current IP address
LOCAL_IP=$(hostname -I | awk '{print $1}')
# Always rewrite the credentials file with the current IP
cat > "$CRED_FILE" <<EOF
========================================
GNOME Remote Desktop (RDP) Credentials
========================================
Username: sovran
Password: $PASSWORD
Connect from any RDP client to:
$LOCAL_IP:3389
========================================
EOF
chmod 600 "$CRED_FILE"
# Enable RDP backend and set credentials
grdctl --system rdp enable
grdctl --system rdp set-credentials sovran "$PASSWORD"
echo "GNOME Remote Desktop RDP configured successfully"
'';
};
}