tailhook

containers:
  printer:
    setup:
    - !Ubuntu trusty
    - !Sh "dpkg --add-architecture i386"
    - !Install ["libc6:i386", "cups-client"]
    - !EnsureDir "/usr/share/cups/model"
    - !Sh "dpkg -i brdcp7030lpr-2.0.2-1.i386.deb"
    - !Sh "dpkg -i cupswrapperDCP7030-2.0.2-1.i386.deb"

tailhook

commands:
  wrapper: !Command
    container: printer
    run: ["/usr/lib/cups/filter/brlpdwrapperDCP7030"]

tailhook

sudo mkdir /var/lib/printer
sudo cp vagga.yaml .vagga /var/lib/printer
cd ~/dev/vagga
sudo PREFIX=/var/lib/printer ./install.sh
cd /var/lib/printer
sudo chown -R cups:lp .

tailhook

sudo mkdir /var/lib/printer
sudo cp vagga.yaml .vagga /var/lib/printer
cd ~/dev/vagga
sudo PREFIX=/var/lib/printer ./install.sh
cd /var/lib/printer
sudo chown -R cups:lp .

tailhook

  printer:
    uids: [0]
    gids: [0]
    setup:
    ...

tailhook

{pkgs, stdenv}:
pkgs.writeTextFile {
  name = "brlpdwrapperDCP7030";
  destination = "/lib/cups/filter/brlpdwrapperDCP7030";
  executable = true;
  text = ''
    #!/bin/sh
    cd /var/lib/printer
    export PATH=$PATH:/var/setuid-wrappers

tailhook

{pkgs, stdenv}:
pkgs.writeTextFile {
  name = "brlpdwrapperDCP7030";
  destination = "/lib/cups/filter/brlpdwrapperDCP7030";
  executable = true;
  text = ''
    #!/bin/sh
    cd /var/lib/printer
    export PATH=$PATH:/var/setuid-wrappers

tailhook

setup:
- !Ubuntu trusty
- !UbuntuUniverse # needed for a2ps
- !Sh "dpkg --add-architecture i386"
- !Install ["libc6:i386", "cups-client"]
- !Install ["ghostscript", "a2ps"]
- !EnsureDir "/usr/share/cups/model"
- !Sh "dpkg -i brdcp7030lpr-2.0.2-1.i386.deb"
- !Sh "dpkg -i cupswrapperDCP7030-2.0.2-1.i386.deb"

tailhook

loop {
  let mut buf = new_buffer();
  try!(read_request(&mut buf));
  let parsed = try!(parse_request(&buf));
  let value = try!(process_request(&parsed));
  try!(send_response(&value));
}

tailhook

enum FSM {
  Reading(Buf),
  Processing(Parsed),
  Sending(OutBuf),
  Idle,
}