/*

 * Server start/stop routines for the CUPS scheduler.

 *

 * Copyright 2007-2017 by Apple Inc.

 * Copyright 1997-2006 by Easy Software Products, all rights reserved.

 *

 * These coded instructions, statements, and computer programs are the

 * property of Apple Inc. and are protected by Federal copyright

 * law.  Distribution and use rights are outlined in the file "LICENSE.txt"

 * which should have been included with this file.  If this file is

 * missing or damaged, see the license at "http://www.cups.org/".

 */

/*

 * Include necessary headers...

 */

#include <cups/http-private.h>

#include "cupsd.h"

#include <grp.h>

#ifdef HAVE_NOTIFY_H

#  include <notify.h>

#endif /* HAVE_NOTIFY_H */

/*

 * Local globals...

 */

static int		started = 0;	/* Did we start the server already? */

/*

 * 'cupsdStartServer()' - Start the server.

 */

void

cupsdStartServer(void)

{

 /*

  * Create the default security profile...

  */

  DefaultProfile = cupsdCreateProfile(0, 1);

#ifdef HAVE_SANDBOX_H

  if (!DefaultProfile && UseSandboxing && Sandboxing != CUPSD_SANDBOXING_OFF)

  {

   /*

    * Failure to create the sandbox profile means something really bad has

    * happened and we need to shutdown immediately.

    */

    return;

  }

#endif /* HAVE_SANDBOX_H */

 /*

  * Start color management (as needed)...

  */

  cupsdStartColor();

 /*

  * Startup all the networking stuff...

  */

  cupsdStartListening();

  cupsdStartBrowsing();

 /*

  * Create a pipe for CGI processes...

  */

  if (cupsdOpenPipe(CGIPipes))

    cupsdLogMessage(CUPSD_LOG_ERROR,

                    "cupsdStartServer: Unable to create pipes for CGI status!");

  else

  {

    CGIStatusBuffer = cupsdStatBufNew(CGIPipes[0], "[CGI]");

    cupsdAddSelect(CGIPipes[0], (cupsd_selfunc_t)cupsdUpdateCGI, NULL, NULL);

  }

 /*

  * Mark that the server has started and printers and jobs may be changed...

  */

  LastEvent = CUPSD_EVENT_PRINTER_CHANGED | CUPSD_EVENT_JOB_STATE_CHANGED |

              CUPSD_EVENT_SERVER_STARTED;

  started   = 1;

  cupsdSetBusyState(0);

}

/*

 * 'cupsdStopServer()' - Stop the server.

 */

void

cupsdStopServer(void)

{

  if (!started)

    return;

 /*

  * Stop color management (as needed)...

  */

  cupsdStopColor();

 /*

  * Close all network clients...

  */

  cupsdCloseAllClients();

  cupsdStopListening();

  cupsdStopBrowsing();

  cupsdStopAllNotifiers();

  cupsdDeleteAllCerts();

  if (Clients)

  {

    cupsArrayDelete(Clients);

    Clients = NULL;

  }

 /*

  * Close the pipe for CGI processes...

  */

  if (CGIPipes[0] >= 0)

  {

    cupsdRemoveSelect(CGIPipes[0]);

    cupsdStatBufDelete(CGIStatusBuffer);

    close(CGIPipes[1]);

    CGIPipes[0] = -1;

    CGIPipes[1] = -1;

  }

 /*

  * Close all log files...

  */

  if (AccessFile != NULL)

  {

    if (AccessFile != LogStderr)

      cupsFileClose(AccessFile);

    AccessFile = NULL;

  }

  if (ErrorFile != NULL)

  {

    if (ErrorFile != LogStderr)

      cupsFileClose(ErrorFile);

    ErrorFile = NULL;

  }

  if (PageFile != NULL)

  {

    if (PageFile != LogStderr)

      cupsFileClose(PageFile);

    PageFile = NULL;

  }

 /*

  * Delete the default security profile...

  */

  cupsdDestroyProfile(DefaultProfile);

  DefaultProfile = NULL;

 /*

  * Write out any dirty files...

  */

  if (DirtyFiles)

    cupsdCleanDirty();

  started = 0;

}