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nixpkgs/nixos/modules/services/x11/terminal-server.nix
Silvan Mosberger 4f0dadbf38 treewide: format all inactive Nix files
After final improvements to the official formatter implementation,
this commit now performs the first treewide reformat of Nix files using it.
This is part of the implementation of RFC 166.

Only "inactive" files are reformatted, meaning only files that
aren't being touched by any PR with activity in the past 2 months.
This is to avoid conflicts for PRs that might soon be merged.
Later we can do a full treewide reformat to get the rest,
which should not cause as many conflicts.

A CI check has already been running for some time to ensure that new and
already-formatted files are formatted, so the files being reformatted here
should also stay formatted.

This commit was automatically created and can be verified using

    nix-build a08b3a4d19.tar.gz \
      --argstr baseRev b32a094368
    result/bin/apply-formatting $NIXPKGS_PATH
2024-12-10 20:26:33 +01:00

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# This module implements a terminal service based on x11vnc. It
# listens on port 5900 for VNC connections. It then presents a login
# screen to the user. If the user successfully authenticates, x11vnc
# checks to see if a X server is already running for that user. If
# not, a X server (Xvfb) is started for that user. The Xvfb instances
# persist across VNC sessions.
{ lib, pkgs, ... }:
with lib;
{
config = {
services.xserver.enable = true;
services.xserver.videoDrivers = [ ];
# Enable GDM. Any display manager will do as long as it supports XDMCP.
services.xserver.displayManager.gdm.enable = true;
systemd.sockets.terminal-server = {
description = "Terminal Server Socket";
wantedBy = [ "sockets.target" ];
before = [ "multi-user.target" ];
socketConfig.Accept = true;
socketConfig.ListenStream = 5900;
};
systemd.services."terminal-server@" = {
description = "Terminal Server";
path = [
pkgs.xorg.xorgserver.out
pkgs.gawk
pkgs.which
pkgs.openssl
pkgs.xorg.xauth
pkgs.nettools
pkgs.shadow
pkgs.procps
pkgs.util-linux
pkgs.bash
];
environment.FD_GEOM = "1024x786x24";
environment.FD_XDMCP_IF = "127.0.0.1";
#environment.FIND_DISPLAY_OUTPUT = "/tmp/foo"; # to debug the "find display" script
serviceConfig = {
StandardInput = "socket";
StandardOutput = "socket";
StandardError = "journal";
ExecStart = "@${pkgs.x11vnc}/bin/x11vnc x11vnc -inetd -display WAIT:1024x786:cmd=FINDCREATEDISPLAY-Xvfb.xdmcp -unixpw -ssl SAVE";
# Don't kill the X server when the user quits the VNC
# connection. FIXME: the X server should run in a
# separate systemd session.
KillMode = "process";
};
};
};
}