[thirdparty/cups.git] / scheduler / server.c

/*
 * "$Id: server.c,v 1.2.2.4 2003/01/15 04:25:56 mike Exp $"
 *
 *   Server start/stop routines for the Common UNIX Printing System (CUPS).
 *
 *   Copyright 1997-2003 by Easy Software Products, all rights reserved.
 *
 *   These coded instructions, statements, and computer programs are the
 *   property of Easy Software Products 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 please contact Easy Software Products
 *   at:
 *
 *       Attn: CUPS Licensing Information
 *       Easy Software Products
 *       44141 Airport View Drive, Suite 204
 *       Hollywood, Maryland 20636-3111 USA
 *
 *       Voice: (301) 373-9603
 *       EMail: cups-info@cups.org
 *         WWW: http://www.cups.org
 *
 * Contents:
 *
 *   StartServer() - Start the server.
 *   StopServer()  - Stop the server.
 */

/*
 * Include necessary headers...
 */

#include "cupsd.h"

#include <grp.h>

#if defined HAVE_LIBSSL
#  include <openssl/ssl.h>
#  include <openssl/rand.h>
#elif defined HAVE_GNUTLS
#  include <gnutls/gnutls.h>
#endif /* HAVE_LIBSSL */


/*
 * 'StartServer()' - Start the server.
 */

void
StartServer(void)
{
#ifdef HAVE_LIBSSL
  int		i;		/* Looping var */
  struct timeval curtime;	/* Current time in microseconds */
  unsigned char	data[1024];	/* Seed data */
#endif /* HAVE_LIBSSL */


#if defined HAVE_LIBSSL
 /*
  * Initialize the encryption libraries...
  */

  SSL_library_init();
  SSL_load_error_strings();

 /*
  * Using the current time is a dubious random seed, but on some systems
  * it is the best we can do (on others, this seed isn't even used...)
  */

  gettimeofday(&curtime, NULL);
  srand(curtime.tv_sec + curtime.tv_usec);

  for (i = 0; i < sizeof(data); i ++)
    data[i] = rand(); /* Yes, this is a poor source of random data... */

  RAND_seed(&data, sizeof(data));
#elif defined HAVE_GNUTLS
 /*
  * Initialize the encryption libraries...
  */

  gnutls_global_init();
#endif /* HAVE_LIBSSL */

 /*
  * Startup all the networking stuff...
  */

  StartListening();
  StartBrowsing();
  StartPolling();
}


/*
 * 'StopServer()' - Stop the server.
 */

void
StopServer(void)
{
 /*
  * Close all network clients and stop all jobs...
  */

  CloseAllClients();
  StopListening();
  StopPolling();
  StopBrowsing();

  if (Clients != NULL)
  {
    free(Clients);
    Clients = NULL;
  }

  StopAllJobs();

 /*
  * Close all log files...
  */

  if (AccessFile != NULL)
  {
    fclose(AccessFile);

    AccessFile = NULL;
  }

  if (ErrorFile != NULL)
  {
    fclose(ErrorFile);

    ErrorFile = NULL;
  }

  if (PageFile != NULL)
  {
    fclose(PageFile);

    PageFile = NULL;
  }

 /*
  * Clear the input and output sets...
  */

  FD_ZERO(&InputSet);
  FD_ZERO(&OutputSet);
}


/*
 * End of "$Id: server.c,v 1.2.2.4 2003/01/15 04:25:56 mike Exp $".
 */
Commit	Line	Data
89db771d	1	/*
bcf61448	2	* "$Id: server.c,v 1.2.2.4 2003/01/15 04:25:56 mike Exp $"
89db771d	3	*
	4	* Server start/stop routines for the Common UNIX Printing System (CUPS).
	5	*
1d9595ab	6	* Copyright 1997-2003 by Easy Software Products, all rights reserved.
89db771d	7	*
	8	* These coded instructions, statements, and computer programs are the
	9	* property of Easy Software Products and are protected by Federal
	10	* copyright law. Distribution and use rights are outlined in the file
	11	* "LICENSE.txt" which should have been included with this file. If this
	12	* file is missing or damaged please contact Easy Software Products
	13	* at:
	14	*
	15	* Attn: CUPS Licensing Information
	16	* Easy Software Products
	17	* 44141 Airport View Drive, Suite 204
	18	* Hollywood, Maryland 20636-3111 USA
	19	*
	20	* Voice: (301) 373-9603
	21	* EMail: cups-info@cups.org
	22	* WWW: http://www.cups.org
	23	*
	24	* Contents:
	25	*
	26	* StartServer() - Start the server.
	27	* StopServer() - Stop the server.
	28	*/
	29
	30	/*
	31	* Include necessary headers...
	32	*/
	33
	34	#include "cupsd.h"
	35
7a91f14b	36	#include <grp.h>
7a91f14b	37
bcf61448	38	#if defined HAVE_LIBSSL
89db771d	39	# include <openssl/ssl.h>
89db771d	40	# include <openssl/rand.h>
bcf61448	41	#elif defined HAVE_GNUTLS
bcf61448	42	# include <gnutls/gnutls.h>
89db771d	43	#endif /* HAVE_LIBSSL */
	44
	45
	46	/*
	47	* 'StartServer()' - Start the server.
	48	*/
	49
	50	void
	51	StartServer(void)
	52	{
	53	#ifdef HAVE_LIBSSL
	54	int i; /* Looping var */
	55	struct timeval curtime; /* Current time in microseconds */
	56	unsigned char data[1024]; /* Seed data */
	57	#endif /* HAVE_LIBSSL */
	58
	59
bcf61448	60	#if defined HAVE_LIBSSL
89db771d	61	/*
	62	* Initialize the encryption libraries...
	63	*/
	64
	65	SSL_library_init();
	66	SSL_load_error_strings();
	67
	68	/*
	69	* Using the current time is a dubious random seed, but on some systems
	70	* it is the best we can do (on others, this seed isn't even used...)
	71	*/
	72
	73	gettimeofday(&curtime, NULL);
	74	srand(curtime.tv_sec + curtime.tv_usec);
	75
	76	for (i = 0; i < sizeof(data); i ++)
	77	data[i] = rand(); /* Yes, this is a poor source of random data... */
	78
	79	RAND_seed(&data, sizeof(data));
bcf61448	80	#elif defined HAVE_GNUTLS
	81	/*
	82	* Initialize the encryption libraries...
	83	*/
	84
	85	gnutls_global_init();
89db771d	86	#endif /* HAVE_LIBSSL */
	87
	88	/*
	89	* Startup all the networking stuff...
	90	*/
	91
	92	StartListening();
	93	StartBrowsing();
	94	StartPolling();
89db771d	95	}
	96
	97
	98	/*
	99	* 'StopServer()' - Stop the server.
	100	*/
	101
	102	void
	103	StopServer(void)
	104	{
	105	/*
	106	* Close all network clients and stop all jobs...
	107	*/
	108
	109	CloseAllClients();
	110	StopListening();
	111	StopPolling();
	112	StopBrowsing();
	113
	114	if (Clients != NULL)
	115	{
	116	free(Clients);
	117	Clients = NULL;
	118	}
	119
	120	StopAllJobs();
	121
	122	/*
	123	* Close all log files...
	124	*/
	125
	126	if (AccessFile != NULL)
	127	{
	128	fclose(AccessFile);
	129
	130	AccessFile = NULL;
	131	}
	132
	133	if (ErrorFile != NULL)
	134	{
	135	fclose(ErrorFile);
	136
	137	ErrorFile = NULL;
	138	}
	139
	140	if (PageFile != NULL)
	141	{
	142	fclose(PageFile);
	143
	144	PageFile = NULL;
	145	}
	146
	147	/*
	148	* Clear the input and output sets...
	149	*/
	150
	151	FD_ZERO(&InputSet);
	152	FD_ZERO(&OutputSet);
	153	}
	154
	155
	156	/*
bcf61448	157	* End of "$Id: server.c,v 1.2.2.4 2003/01/15 04:25:56 mike Exp $".
89db771d	158	*/