mirror of https://gitee.com/openkylin/cups.git
193 lines
3.1 KiB
C
193 lines
3.1 KiB
C
/*
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* Server start/stop routines for the CUPS scheduler.
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*
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* Copyright 2007-2019 by Apple Inc.
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* Copyright 1997-2006 by Easy Software Products, all rights reserved.
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*
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* Licensed under Apache License v2.0. See the file "LICENSE" for more information.
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*/
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/*
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* Include necessary headers...
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*/
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#include <cups/http-private.h>
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#include "cupsd.h"
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#include <grp.h>
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#ifdef HAVE_NOTIFY_H
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# include <notify.h>
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#endif /* HAVE_NOTIFY_H */
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/*
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* Local globals...
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*/
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static int started = 0; /* Did we start the server already? */
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/*
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* 'cupsdStartServer()' - Start the server.
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*/
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void
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cupsdStartServer(void)
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{
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/*
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* Create the default security profile...
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*/
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DefaultProfile = cupsdCreateProfile(0, 1);
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#ifdef HAVE_SANDBOX_H
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if (!DefaultProfile && UseSandboxing && Sandboxing != CUPSD_SANDBOXING_OFF)
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{
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/*
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* Failure to create the sandbox profile means something really bad has
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* happened and we need to shutdown immediately.
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*/
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return;
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}
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#endif /* HAVE_SANDBOX_H */
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/*
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* Start color management (as needed)...
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*/
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cupsdStartColor();
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/*
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* Startup all the networking stuff...
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*/
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cupsdStartListening();
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cupsdStartBrowsing();
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/*
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* Create a pipe for CGI processes...
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*/
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if (cupsdOpenPipe(CGIPipes))
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cupsdLogMessage(CUPSD_LOG_ERROR,
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"cupsdStartServer: Unable to create pipes for CGI status!");
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else
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{
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CGIStatusBuffer = cupsdStatBufNew(CGIPipes[0], "[CGI]");
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cupsdAddSelect(CGIPipes[0], (cupsd_selfunc_t)cupsdUpdateCGI, NULL, NULL);
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}
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/*
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* Mark that the server has started and printers and jobs may be changed...
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*/
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LastEvent = CUPSD_EVENT_PRINTER_CHANGED | CUPSD_EVENT_JOB_STATE_CHANGED |
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CUPSD_EVENT_SERVER_STARTED;
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started = 1;
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cupsdSetBusyState(0);
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}
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/*
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* 'cupsdStopServer()' - Stop the server.
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*/
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void
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cupsdStopServer(void)
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{
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if (!started)
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return;
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/*
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* Stop color management (as needed)...
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*/
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cupsdStopColor();
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/*
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* Close all network clients...
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*/
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cupsdCloseAllClients();
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cupsdStopListening();
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cupsdStopBrowsing();
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cupsdStopAllNotifiers();
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cupsdDeleteAllCerts();
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if (Clients)
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{
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cupsArrayDelete(Clients);
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Clients = NULL;
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}
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/*
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* Close the pipe for CGI processes...
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*/
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if (CGIPipes[0] >= 0)
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{
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cupsdRemoveSelect(CGIPipes[0]);
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cupsdStatBufDelete(CGIStatusBuffer);
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close(CGIPipes[1]);
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CGIPipes[0] = -1;
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CGIPipes[1] = -1;
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}
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/*
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* Close all log files...
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*/
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if (AccessFile != NULL)
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{
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if (AccessFile != LogStderr)
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cupsFileClose(AccessFile);
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AccessFile = NULL;
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}
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if (ErrorFile != NULL)
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{
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if (ErrorFile != LogStderr)
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cupsFileClose(ErrorFile);
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ErrorFile = NULL;
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}
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if (PageFile != NULL)
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{
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if (PageFile != LogStderr)
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cupsFileClose(PageFile);
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PageFile = NULL;
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}
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/*
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* Delete the default security profile...
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*/
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cupsdDestroyProfile(DefaultProfile);
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DefaultProfile = NULL;
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/*
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* Expire subscriptions and clean out old jobs...
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*/
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cupsdExpireSubscriptions(NULL, NULL);
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if (JobHistoryUpdate)
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cupsdCleanJobs();
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/*
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* Write out any dirty files...
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*/
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if (DirtyFiles)
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cupsdCleanDirty();
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started = 0;
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}
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