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/*
* "$Id: server.c 4993 2006-01-26 19:27:40Z mike $"
*
* Server start/stop routines for the Common UNIX Printing System (CUPS).
*
* Copyright 1997-2005 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 USA
*
* Voice: (301) 373-9600
* EMail: cups-info@cups.org
* WWW: http://www.cups.org
*
* Contents:
*
* cupsdStartServer() - Start the server.
* cupsdStopServer() - Stop the server.
*/
/*
* 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;
/*
* 'cupsdStartServer()' - Start the server.
*/
void
cupsdStartServer(void)
{
#ifdef HAVE_LIBSSL
int i; /* Looping var */
struct timeval curtime; /* Current time in microseconds */
unsigned char data[1024]; /* Seed data */
#endif /* HAVE_LIBSSL */
#ifdef 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...
*/
cupsdStartListening();
cupsdStartBrowsing();
cupsdStartPolling();
/*
* 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]");
cupsdLogMessage(CUPSD_LOG_DEBUG2,
"cupsdStartServer: Adding fd %d to InputSet...",
CGIPipes[0]);
FD_SET(CGIPipes[0], InputSet);
}
/*
* 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;
LastEventTime = 0;
started = 1;
}
/*
* 'cupsdStopServer()' - Stop the server.
*/
void
cupsdStopServer(void)
{
if (!started)
return;
/*
* Close all network clients and stop all jobs...
*/
cupsdCloseAllClients();
cupsdStopListening();
cupsdStopPolling();
cupsdStopBrowsing();
cupsdStopAllNotifiers();
cupsdSaveRemoteCache();
if (Clients != NULL)
{
free(Clients);
Clients = NULL;
}
#if defined(HAVE_SSL) && defined(HAVE_CDSASSL)
/*
* Free all of the certificates...
*/
if (ServerCertificatesArray)
{
CFRelease(ServerCertificatesArray);
ServerCertificatesArray = NULL;
}
#endif /* HAVE_SSL && HAVE_CDSASSL */
/*
* Close the pipe for CGI processes...
*/
if (CGIPipes[0] >= 0)
{
cupsdLogMessage(CUPSD_LOG_DEBUG2,
"cupsdStopServer: Removing fd %d from InputSet...",
CGIPipes[0]);
FD_CLR(CGIPipes[0], InputSet);
cupsdStatBufDelete(CGIStatusBuffer);
close(CGIPipes[1]);
CGIPipes[0] = -1;
CGIPipes[1] = -1;
}
/*
* Close all log files...
*/
if (AccessFile != NULL)
{
cupsFileClose(AccessFile);
AccessFile = NULL;
}
if (ErrorFile != NULL)
{
cupsFileClose(ErrorFile);
ErrorFile = NULL;
}
if (PageFile != NULL)
{
cupsFileClose(PageFile);
PageFile = NULL;
}
#ifdef HAVE_NOTIFY_POST
/*
* Send one last notification as the server shuts down.
*/
cupsdLogMessage(CUPSD_LOG_DEBUG,
"notify_post(\"com.apple.printerListChange\") last");
notify_post("com.apple.printerListChange");
#endif /* HAVE_NOTIFY_POST */
started = 0;
}
/*
* End of "$Id: server.c 4993 2006-01-26 19:27:40Z mike $".
*/
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