/*
- * "$Id: main.c 6365 2007-03-19 20:56:57Z mike $"
+ * "$Id: main.c 7925 2008-09-10 17:47:26Z mike $"
*
- * Scheduler main loop for the Common UNIX Printing System (CUPS).
+ * Main loop for the CUPS scheduler.
*
+ * Copyright 2007-2011 by Apple Inc.
* Copyright 1997-2007 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
+ * property of Apple Inc. and are protected by Federal copyright
+ * law. Distribution and use rights are outlined in the file "LICENSE.txt"
* "LICENSE" 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
+ * file is missing or damaged, see the license at "http://www.cups.org/".
*
* Contents:
*
- * main() - Main entry for the CUPS scheduler.
- * cupsdClosePipe() - Close a pipe as necessary.
- * cupsdOpenPipe() - Create a pipe which is closed on exec.
- * cupsdHoldSignals() - Hold child and termination signals.
- * cupsdReleaseSignals() - Release signals for delivery.
- * cupsdSetString() - Set a string value.
- * cupsdSetStringf() - Set a formatted string value.
- * launchd_checkin() - Check-in with launchd and collect the
- * listening fds.
- * launchd_checkout() - Check-out with launchd.
- * launchd_create_dict() - Create a dictionary representing the launchd
- * config file org.cups.cupsd.plist.
- * launchd_sync_conf() - Re-write the launchd config file
- * org.cups.cupsd.plist based on cupsd.conf.
- * parent_handler() - Catch USR1/CHLD signals...
- * process_children() - Process all dead children...
- * sigchld_handler() - Handle 'child' signals from old processes.
- * sighup_handler() - Handle 'hangup' signals to reconfigure the
- * scheduler.
- * sigterm_handler() - Handle 'terminate' signals that stop the
- * scheduler.
- * select_timeout() - Calculate the select timeout value.
- * usage() - Show scheduler usage.
+ * main() - Main entry for the CUPS scheduler.
+ * cupsdAddString() - Copy and add a string to an array.
+ * cupsdCheckProcess() - Tell the main loop to check for dead children.
+ * cupsdClearString() - Clear a string.
+ * cupsdClosePipe() - Close a pipe as necessary.
+ * cupsdFreeStrings() - Free an array of strings.
+ * cupsdHoldSignals() - Hold child and termination signals.
+ * cupsdMakeUUID() - Make a UUID URI conforming to RFC 4122.
+ * cupsdOpenPipe() - Create a pipe which is closed on exec.
+ * cupsdReleaseSignals() - Release signals for delivery.
+ * cupsdSetString() - Set a string value.
+ * cupsdSetStringf() - Set a formatted string value.
+ * cupsd_clean_files() - Clean out old files.
+ * launchd_checkin() - Check-in with launchd and collect the listening
+ * fds.
+ * launchd_checkout() - Update the launchd KeepAlive file as needed.
+ * parent_handler() - Catch USR1/CHLD signals...
+ * process_children() - Process all dead children...
+ * select_timeout() - Calculate the select timeout value.
+ * sigchld_handler() - Handle 'child' signals from old processes.
+ * sighup_handler() - Handle 'hangup' signals to reconfigure the
+ * scheduler.
+ * sigterm_handler() - Handle 'terminate' signals that stop the scheduler.
+ * usage() - Show scheduler usage.
*/
/*
#include <sys/resource.h>
#include <syslog.h>
#include <grp.h>
+#include <cups/dir.h>
+#include <fnmatch.h>
#ifdef HAVE_LAUNCH_H
# include <launch.h>
# include <libgen.h>
-# define CUPS_KEEPALIVE CUPS_CACHEDIR "/org.cups.cupsd"
+# define CUPS_KEEPALIVE CUPS_CACHEDIR "/org.cups.cupsd"
/* Name of the launchd KeepAlive file */
# ifndef LAUNCH_JOBKEY_KEEPALIVE
# define LAUNCH_JOBKEY_KEEPALIVE "KeepAlive"
# include <notify.h>
#endif /* HAVE_NOTIFY_H */
-#if defined(__APPLE__) && defined(HAVE_DLFCN_H)
-# include <dlfcn.h>
-#endif /* __APPLE__ && HAVE_DLFCN_H */
-
/*
* Local functions...
*/
+static void cupsd_clean_files(const char *path,
+ const char *pattern);
#ifdef HAVE_LAUNCHD
static void launchd_checkin(void);
static void launchd_checkout(void);
-static CFDictionaryRef launchd_create_dict(void);
-static int launchd_sync_conf(void);
#endif /* HAVE_LAUNCHD */
static void parent_handler(int sig);
static void process_children(void);
static int stop_scheduler = 0;
/* Should the scheduler stop? */
-#ifdef HAVE_LAUNCHD
-static CFURLRef launchd_conf_url = NULL;
- /* org.cups.cupsd.plist url */
-static CFDictionaryRef launchd_conf_dict = NULL;
- /* org.cups.cupsd.plist dict */
-#endif /* HAVE_LAUNCHD */
-
-#if defined(__APPLE__) && defined(HAVE_DLFCN_H)
-static const char *PSQLibPath = "/usr/lib/libPrintServiceQuota.dylib";
-static const char *PSQLibFuncName = "PSQUpdateQuota";
-static void *PSQLibRef; /* libPrintServiceQuota.dylib */
-#endif /* HAVE_DLFCN_H */
-
/*
* 'main()' - Main entry for the CUPS scheduler.
browse_time, /* Next browse send time */
senddoc_time, /* Send-Document time */
expire_time, /* Subscription expire time */
- mallinfo_time; /* Malloc information time */
- size_t string_count, /* String count */
- alloc_bytes, /* Allocated string bytes */
- total_bytes; /* Total string bytes */
+ report_time, /* Malloc/client/job report time */
+ event_time; /* Last event notification time */
long timeout; /* Timeout for cupsdDoSelect() */
struct rlimit limit; /* Runtime limit */
#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
cups_file_t *fp; /* Fake lpsched lock file */
struct stat statbuf; /* Needed for checking lpsched FIFO */
#endif /* __sgi */
+ int run_as_child = 0;
+ /* Needed for background fork/exec */
+#ifdef __APPLE__
+ int use_sysman = !getuid();
+ /* Use system management functions? */
+#else
+ time_t netif_time = 0; /* Time since last network update */
+#endif /* __APPLE__ */
#if HAVE_LAUNCHD
int launchd_idle_exit;
/* Idle exit on select timeout? */
#endif /* HAVE_LAUNCHD */
+#ifdef HAVE_GETEUID
+ /*
+ * Check for setuid invocation, which we do not support!
+ */
+
+ if (getuid() != geteuid())
+ {
+ fputs("cupsd: Cannot run as a setuid program\n", stderr);
+ return (1);
+ }
+#endif /* HAVE_GETEUID */
+
/*
* Check for command-line arguments...
*/
fg = 0;
+#ifdef HAVE_LAUNCHD
+ if (getenv("CUPSD_LAUNCHD"))
+ {
+ Launchd = 1;
+ fg = 1;
+ }
+#endif /* HAVE_LAUNCHD */
+
for (i = 1; i < argc; i ++)
if (argv[i][0] == '-')
for (opt = argv[i] + 1; *opt != '\0'; opt ++)
switch (*opt)
{
+ case 'C' : /* Run as child with config file */
+ run_as_child = 1;
+ fg = -1;
+
case 'c' : /* Configuration file */
i ++;
if (i >= argc)
{
_cupsLangPuts(stderr, _("cupsd: Expected config filename "
- "after \"-c\" option!\n"));
+ "after \"-c\" option."));
usage(1);
}
* are passed a NULL pointer.
*/
- current = malloc(1024);
- getcwd(current, 1024);
+ if ((current = malloc(1024)) == NULL)
+ {
+ _cupsLangPuts(stderr,
+ _("cupsd: Unable to get current directory."));
+ return (1);
+ }
+
+ if (!getcwd(current, 1024))
+ {
+ _cupsLangPuts(stderr,
+ _("cupsd: Unable to get current directory."));
+ free(current);
+ return (1);
+ }
cupsdSetStringf(&ConfigurationFile, "%s/%s", current, argv[i]);
-
free(current);
}
break;
fg = 1;
#else
_cupsLangPuts(stderr, _("cupsd: launchd(8) support not compiled "
- "in, running in normal mode.\n"));
+ "in, running in normal mode."));
fg = 0;
#endif /* HAVE_LAUNCHD */
break;
case 'p' : /* Stop immediately for profiling */
- puts("Warning: -p option is for internal testing use only!");
+ fputs("cupsd: -p (startup profiling) is for internal testing "
+ "use only!\n", stderr);
stop_scheduler = 1;
fg = 1;
break;
+ case 'P' : /* Disable security profiles */
+ fputs("cupsd: -P (disable security profiles) is for internal "
+ "testing use only!\n", stderr);
+ UseProfiles = 0;
+ break;
+
+#ifdef __APPLE__
+ case 'S' : /* Disable system management functions */
+ fputs("cupsd: -S (disable system management) for internal "
+ "testing use only!\n", stderr);
+ use_sysman = 0;
+ break;
+#endif /* __APPLE__ */
+
+ case 't' : /* Test the cupsd.conf file... */
+ TestConfigFile = 1;
+ fg = 1;
+ break;
+
default : /* Unknown option */
_cupsLangPrintf(stderr, _("cupsd: Unknown option \"%c\" - "
- "aborting!\n"), *opt);
+ "aborting."), *opt);
usage(1);
break;
}
else
{
- _cupsLangPrintf(stderr, _("cupsd: Unknown argument \"%s\" - aborting!\n"),
+ _cupsLangPrintf(stderr, _("cupsd: Unknown argument \"%s\" - aborting."),
argv[i]);
usage(1);
}
}
else if (WIFEXITED(i))
{
- fprintf(stderr, "cupsd: Child exited with status %d!\n",
+ fprintf(stderr, "cupsd: Child exited with status %d\n",
WEXITSTATUS(i));
return (2);
}
else
{
- fprintf(stderr, "cupsd: Child exited on signal %d!\n", WTERMSIG(i));
+ fprintf(stderr, "cupsd: Child exited on signal %d\n", WTERMSIG(i));
return (3);
}
}
+
+#ifdef __OpenBSD__
+ /*
+ * Call _thread_sys_closefrom() so the child process doesn't reset the
+ * parent's file descriptors to be blocking. This is a workaround for a
+ * limitation of userland libpthread on OpenBSD.
+ */
+
+ _thread_sys_closefrom(0);
+#endif /* __OpenBSD__ */
+
+ /*
+ * Since CoreFoundation and DBUS both create fork-unsafe data on execution of
+ * a program, and since this kind of really unfriendly behavior seems to be
+ * more common these days in system libraries, we need to re-execute the
+ * background cupsd with the "-C" option to avoid problems. Unfortunately,
+ * we also have to assume that argv[0] contains the name of the cupsd
+ * executable - there is no portable way to get the real pathname...
+ */
+
+ execlp(argv[0], argv[0], "-C", ConfigurationFile, (char *)0);
+ exit(errno);
}
if (fg < 1)
getrlimit(RLIMIT_NOFILE, &limit);
- for (i = 0; i < limit.rlim_cur; i ++)
+ for (i = 0; i < limit.rlim_cur && i < 1024; i ++)
+ close(i);
+
+ /*
+ * Redirect stdin/out/err to /dev/null...
+ */
+
+ if ((i = open("/dev/null", O_RDONLY)) != 0)
+ {
+ dup2(i, 0);
+ close(i);
+ }
+
+ if ((i = open("/dev/null", O_WRONLY)) != 1)
+ {
+ dup2(i, 1);
+ close(i);
+ }
+
+ if ((i = open("/dev/null", O_WRONLY)) != 2)
+ {
+ dup2(i, 2);
close(i);
+ }
#endif /* DEBUG */
}
if (!cupsdReadConfiguration())
{
- syslog(LOG_LPR, "Unable to read configuration file \'%s\' - exiting!",
- ConfigurationFile);
+ if (TestConfigFile)
+ printf("%s contains errors\n", ConfigurationFile);
+ else
+ syslog(LOG_LPR, "Unable to read configuration file \'%s\' - exiting!",
+ ConfigurationFile);
return (1);
}
+ else if (TestConfigFile)
+ {
+ printf("%s is OK\n", ConfigurationFile);
+ return (0);
+ }
+
+ /*
+ * Clean out old temp files and printer cache data.
+ */
+
+ if (!strncmp(TempDir, RequestRoot, strlen(RequestRoot)))
+ cupsd_clean_files(TempDir, NULL);
+
+ cupsd_clean_files(CacheDir, "*.ipp");
#if HAVE_LAUNCHD
if (Launchd)
{
/*
- * If we were started by launchd, make sure the cupsd plist file contains
- * the same listeners as cupsd.conf.
- */
-
- launchd_sync_conf();
-
- /*
- * Then get the file descriptors from launchd...
+ * If we were started by launchd get the listen sockets file descriptors...
*/
launchd_checkin();
+ launchd_checkout();
}
#endif /* HAVE_LAUNCHD */
-#if defined(__APPLE__) && defined(HAVE_DLFCN_H)
- /*
- * Load Print Service quota enforcement library (X Server only)
- */
-
- PSQLibRef = dlopen(PSQLibPath, RTLD_LAZY);
-
- if (PSQLibRef)
- PSQUpdateQuotaProc = dlsym(PSQLibRef, PSQLibFuncName);
-#endif /* __APPLE__ && HAVE_DLFCN_H */
-
/*
* Startup the server...
*/
+ httpInitialize();
+
cupsdStartServer();
/*
* we are up and running...
*/
- if (!fg)
+ if (!fg || run_as_child)
{
/*
* Send a signal to the parent process, but only if the parent is
* Start power management framework...
*/
- cupsdStartSystemMonitor();
+ if (use_sysman)
+ cupsdStartSystemMonitor();
#endif /* __APPLE__ */
+ /*
+ * Send server-started event...
+ */
+
+#ifdef HAVE_LAUNCHD
+ if (Launchd)
+ cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL,
+ "Scheduler started via launchd.");
+ else
+#endif /* HAVE_LAUNCHD */
+ if (fg)
+ cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL,
+ "Scheduler started in foreground.");
+ else
+ cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL,
+ "Scheduler started in background.");
+
/*
* Start any pending print jobs...
*/
* Loop forever...
*/
- mallinfo_time = 0;
- browse_time = time(NULL);
- senddoc_time = time(NULL);
- expire_time = time(NULL);
+ current_time = time(NULL);
+ browse_time = current_time;
+ event_time = current_time;
+ expire_time = current_time;
fds = 1;
+ report_time = 0;
+ senddoc_time = current_time;
while (!stop_scheduler)
{
-#ifdef DEBUG
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "main: Top of loop, dead_children=%d, NeedReload=%d",
- dead_children, NeedReload);
-#endif /* DEBUG */
-
/*
* Check if there are dead children to handle...
*/
cupsdPauseListening();
}
- /*
- * Check for any active jobs...
- */
-
- for (job = (cupsd_job_t *)cupsArrayFirst(ActiveJobs);
- job;
- job = (cupsd_job_t *)cupsArrayNext(ActiveJobs))
- if (job->state_value == IPP_JOB_PROCESSING)
- break;
-
/*
* Restart if all clients are closed and all jobs finished, or
* if the reload timeout has elapsed...
*/
if ((cupsArrayCount(Clients) == 0 &&
- (!job || NeedReload != RELOAD_ALL)) ||
+ (cupsArrayCount(PrintingJobs) == 0 || NeedReload != RELOAD_ALL)) ||
(time(NULL) - ReloadTime) >= ReloadTimeout)
{
/*
* Shutdown the server...
*/
+ DoingShutdown = 1;
+
cupsdStopServer();
/*
#if HAVE_LAUNCHD
if (Launchd)
{
- launchd_sync_conf();
+ /*
+ * If we were started by launchd, get the listen socket file
+ * descriptors...
+ */
+
launchd_checkin();
+ launchd_checkout();
}
#endif /* HAVE_LAUNCHD */
* Startup the server...
*/
+ DoingShutdown = 0;
+
cupsdStartServer();
+
+ /*
+ * Send a server-restarted event...
+ */
+
+ cupsdAddEvent(CUPSD_EVENT_SERVER_RESTARTED, NULL, NULL,
+ "Scheduler restarted.");
}
}
* times.
*/
- timeout = select_timeout(fds);
+ if ((timeout = select_timeout(fds)) > 1 && LastEvent)
+ timeout = 1;
#if HAVE_LAUNCHD
/*
*/
if (timeout == 86400 && Launchd && LaunchdTimeout && !NumPolled &&
- (!Browsing ||
- (!BrowseRemoteProtocols &&
- (!NumBrowsers || !BrowseLocalProtocols ||
- cupsArrayCount(Printers) == 0))))
+ !cupsArrayCount(ActiveJobs) &&
+ (!Browsing ||
+ (!BrowseRemoteProtocols &&
+ (!BrowseLocalProtocols || !cupsArrayCount(Printers)))))
{
timeout = LaunchdTimeout;
launchd_idle_exit = 1;
for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
p;
p = (cupsd_printer_t *)cupsArrayNext(Printers))
- cupsdLogMessage(CUPSD_LOG_EMERG, "printer[%s] %d", p->name,
- p->dnssd_ipp_fd);
+ cupsdLogMessage(CUPSD_LOG_EMERG, "printer[%s] reg_name=\"%s\"", p->name,
+ p->reg_name ? p->reg_name : "(null)");
#endif /* HAVE_DNSSD */
break;
current_time = time(NULL);
+ /*
+ * Write dirty config/state files...
+ */
+
+ if (DirtyCleanTime && current_time >= DirtyCleanTime)
+ cupsdCleanDirty();
+
+#ifdef __APPLE__
+ /*
+ * If we are going to sleep and still have pending jobs, stop them after
+ * a period of time...
+ */
+
+ if (SleepJobs > 0 && current_time >= SleepJobs &&
+ cupsArrayCount(PrintingJobs) > 0)
+ {
+ SleepJobs = 0;
+ cupsdStopAllJobs(CUPSD_JOB_DEFAULT, 5);
+ }
+#endif /* __APPLE__ */
+
+#ifndef __APPLE__
+ /*
+ * Update the network interfaces once a minute...
+ */
+
+ if ((current_time - netif_time) >= 60)
+ {
+ netif_time = current_time;
+ NetIFUpdate = 1;
+ }
+#endif /* !__APPLE__ */
+
#if HAVE_LAUNCHD
/*
* If no other work was scheduled and we're being controlled by launchd
}
#endif /* HAVE_LAUNCHD */
+ /*
+ * Resume listening for new connections as needed...
+ */
+
+ if (ListeningPaused && ListeningPaused <= current_time &&
+ cupsArrayCount(Clients) < MaxClients)
+ cupsdResumeListening();
+
/*
* Expire subscriptions and unload completed jobs as needed...
*/
#endif /* HAVE_LDAP */
}
- if (Browsing && BrowseLocalProtocols && current_time > browse_time)
+ if (Browsing && current_time > browse_time)
{
cupsdSendBrowseList();
browse_time = current_time;
*/
cupsdDeleteCert(0);
- cupsdAddCert(0, "root");
+ cupsdAddCert(0, "root", NULL);
}
/*
if ((current_time - senddoc_time) >= 10)
{
cupsdCheckJobs();
+ cupsdCleanJobs();
senddoc_time = current_time;
}
/*
- * Log memory usage every minute...
+ * Log statistics at most once a minute when in debug mode...
*/
- if ((current_time - mallinfo_time) >= 60 && LogLevel >= CUPSD_LOG_DEBUG2)
+ if ((current_time - report_time) >= 60 && LogLevel >= CUPSD_LOG_DEBUG)
{
+ size_t string_count, /* String count */
+ alloc_bytes, /* Allocated string bytes */
+ total_bytes; /* Total string bytes */
#ifdef HAVE_MALLINFO
- struct mallinfo mem; /* Malloc information */
+ struct mallinfo mem; /* Malloc information */
mem = mallinfo();
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "mallinfo: arena = %d, used = %d, free = %d\n",
- mem.arena, mem.usmblks + mem.uordblks,
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: malloc-arena=%lu", mem.arena);
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: malloc-used=%lu",
+ mem.usmblks + mem.uordblks);
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: malloc-free=%lu",
mem.fsmblks + mem.fordblks);
#endif /* HAVE_MALLINFO */
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: clients=%d",
+ cupsArrayCount(Clients));
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: jobs=%d",
+ cupsArrayCount(Jobs));
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: jobs-active=%d",
+ cupsArrayCount(ActiveJobs));
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: printers=%d",
+ cupsArrayCount(Printers));
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Report: printers-implicit=%d",
+ cupsArrayCount(ImplicitPrinters));
+
string_count = _cupsStrStatistics(&alloc_bytes, &total_bytes);
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "stringpool: " CUPS_LLFMT " strings, "
- CUPS_LLFMT " allocated, " CUPS_LLFMT " total bytes",
- CUPS_LLCAST string_count, CUPS_LLCAST alloc_bytes,
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "Report: stringpool-string-count=" CUPS_LLFMT,
+ CUPS_LLCAST string_count);
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "Report: stringpool-alloc-bytes=" CUPS_LLFMT,
+ CUPS_LLCAST alloc_bytes);
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "Report: stringpool-total-bytes=" CUPS_LLFMT,
CUPS_LLCAST total_bytes);
- mallinfo_time = current_time;
+ report_time = current_time;
}
/*
* accumulated. Don't send these more than once a second...
*/
- if (LastEvent)
+ if (LastEvent && (current_time - event_time) >= 1)
{
#ifdef HAVE_NOTIFY_POST
- if (LastEvent & CUPSD_EVENT_PRINTER_CHANGED)
+ if (LastEvent & (CUPSD_EVENT_PRINTER_ADDED |
+ CUPSD_EVENT_PRINTER_DELETED |
+ CUPSD_EVENT_PRINTER_MODIFIED))
{
cupsdLogMessage(CUPSD_LOG_DEBUG2,
"notify_post(\"com.apple.printerListChange\")");
* Reset the accumulated events...
*/
- LastEvent = CUPSD_EVENT_NONE;
+ LastEvent = CUPSD_EVENT_NONE;
+ event_time = current_time;
}
}
*/
if (stop_scheduler)
+ {
cupsdLogMessage(CUPSD_LOG_INFO, "Scheduler shutting down normally.");
+ cupsdAddEvent(CUPSD_EVENT_SERVER_STOPPED, NULL, NULL,
+ "Scheduler shutting down normally.");
+ }
else
+ {
cupsdLogMessage(CUPSD_LOG_ERROR,
"Scheduler shutting down due to program error.");
+ cupsdAddEvent(CUPSD_EVENT_SERVER_STOPPED, NULL, NULL,
+ "Scheduler shutting down due to program error.");
+ }
/*
- * Close all network clients and stop all jobs...
+ * Close all network clients...
*/
+ DoingShutdown = 1;
+
cupsdStopServer();
+#ifdef HAVE_LAUNCHD
+ /*
+ * Update the launchd KeepAlive file as needed...
+ */
+
+ if (Launchd)
+ launchd_checkout();
+#endif /* HAVE_LAUNCHD */
+
+ /*
+ * Stop all jobs...
+ */
+
cupsdFreeAllJobs();
#ifdef __APPLE__
- cupsdStopSystemMonitor();
+ /*
+ * Stop monitoring system event monitoring...
+ */
+
+ if (use_sysman)
+ cupsdStopSystemMonitor();
#endif /* __APPLE__ */
-#ifdef HAVE_LAUNCHD
+#ifdef HAVE_GSSAPI
/*
- * Update the launchd config file as needed...
+ * Free the scheduler's Kerberos context...
*/
- if (Launchd)
- {
- launchd_checkout();
- launchd_sync_conf();
-
- if (launchd_conf_url)
- CFRelease(launchd_conf_url);
+# ifdef __APPLE__
+ /*
+ * If the weak-linked GSSAPI/Kerberos library is not present, don't try
+ * to use it...
+ */
- if (launchd_conf_dict)
- CFRelease(launchd_conf_dict);
- }
-#endif /* HAVE_LAUNCHD */
+ if (krb5_init_context != NULL)
+# endif /* __APPLE__ */
+ if (KerberosContext)
+ krb5_free_context(KerberosContext);
+#endif /* HAVE_GSSAPI */
#ifdef __sgi
/*
}
+/*
+ * 'cupsdAddString()' - Copy and add a string to an array.
+ */
+
+int /* O - 1 on success, 0 on failure */
+cupsdAddString(cups_array_t **a, /* IO - String array */
+ const char *s) /* I - String to copy and add */
+{
+ if (!*a)
+ *a = cupsArrayNew3((cups_array_func_t)strcmp, NULL,
+ (cups_ahash_func_t)NULL, 0,
+ (cups_acopy_func_t)_cupsStrAlloc,
+ (cups_afree_func_t)_cupsStrFree);
+
+ return (cupsArrayAdd(*a, (char *)s));
+}
+
+
+/*
+ * 'cupsdCheckProcess()' - Tell the main loop to check for dead children.
+ */
+
+void
+cupsdCheckProcess(void)
+{
+ /*
+ * Flag that we have dead children...
+ */
+
+ dead_children = 1;
+}
+
+
+/*
+ * 'cupsdClearString()' - Clear a string.
+ */
+
+void
+cupsdClearString(char **s) /* O - String value */
+{
+ if (s && *s)
+ {
+ _cupsStrFree(*s);
+ *s = NULL;
+ }
+}
+
+
/*
* 'cupsdClosePipe()' - Close a pipe as necessary.
*/
}
+/*
+ * 'cupsdFreeStrings()' - Free an array of strings.
+ */
+
+void
+cupsdFreeStrings(cups_array_t **a) /* IO - String array */
+{
+ if (*a)
+ {
+ cupsArrayDelete(*a);
+ *a = NULL;
+ }
+}
+
+
+/*
+ * 'cupsdHoldSignals()' - Hold child and termination signals.
+ */
+
+void
+cupsdHoldSignals(void)
+{
+#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
+ sigset_t newmask; /* New POSIX signal mask */
+#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+
+
+ holdcount ++;
+ if (holdcount > 1)
+ return;
+
+#ifdef HAVE_SIGSET
+ sighold(SIGTERM);
+ sighold(SIGCHLD);
+#elif defined(HAVE_SIGACTION)
+ sigemptyset(&newmask);
+ sigaddset(&newmask, SIGTERM);
+ sigaddset(&newmask, SIGCHLD);
+ sigprocmask(SIG_BLOCK, &newmask, &holdmask);
+#endif /* HAVE_SIGSET */
+}
+
+
+/*
+ * 'cupsdMakeUUID()' - Make a UUID URI conforming to RFC 4122.
+ *
+ * The buffer needs to be at least 46 bytes in size.
+ */
+
+char * /* I - UUID string */
+cupsdMakeUUID(const char *name, /* I - Object name */
+ int number, /* I - Object number */
+ char *buffer, /* I - String buffer */
+ size_t bufsize) /* I - Size of buffer */
+{
+ char data[1024]; /* Source string for MD5 */
+ _cups_md5_state_t md5state; /* MD5 state */
+ unsigned char md5sum[16]; /* MD5 digest/sum */
+
+
+ /*
+ * Build a version 3 UUID conforming to RFC 4122.
+ *
+ * Start with the MD5 sum of the ServerName, RemotePort, object name and
+ * number, and some random data on the end.
+ */
+
+ snprintf(data, sizeof(data), "%s:%d:%s:%d:%04x:%04x", ServerName,
+ RemotePort, name ? name : ServerName, number,
+ CUPS_RAND() & 0xffff, CUPS_RAND() & 0xffff);
+
+ _cupsMD5Init(&md5state);
+ _cupsMD5Append(&md5state, (unsigned char *)data, strlen(data));
+ _cupsMD5Finish(&md5state, md5sum);
+
+ /*
+ * Generate the UUID from the MD5...
+ */
+
+ snprintf(buffer, bufsize,
+ "urn:uuid:%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-"
+ "%02x%02x%02x%02x%02x%02x",
+ md5sum[0], md5sum[1], md5sum[2], md5sum[3], md5sum[4], md5sum[5],
+ (md5sum[6] & 15) | 0x30, md5sum[7], (md5sum[8] & 0x3f) | 0x40,
+ md5sum[9], md5sum[10], md5sum[11], md5sum[12], md5sum[13],
+ md5sum[14], md5sum[15]);
+
+ return (buffer);
+}
+
+
/*
* 'cupsdOpenPipe()' - Create a pipe which is closed on exec.
*/
/*
- * 'cupsdClearString()' - Clear a string.
- */
-
-void
-cupsdClearString(char **s) /* O - String value */
-{
- if (s && *s)
- {
- _cupsStrFree(*s);
- *s = NULL;
- }
-}
-
-
-/*
- * 'cupsdHoldSignals()' - Hold child and termination signals.
- */
-
-void
-cupsdHoldSignals(void)
-{
-#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
- sigset_t newmask; /* New POSIX signal mask */
-#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
-
-
- holdcount ++;
- if (holdcount > 1)
- return;
-
-#ifdef HAVE_SIGSET
- sighold(SIGTERM);
- sighold(SIGCHLD);
-#elif defined(HAVE_SIGACTION)
- sigemptyset(&newmask);
- sigaddset(&newmask, SIGTERM);
- sigaddset(&newmask, SIGCHLD);
- sigprocmask(SIG_BLOCK, &newmask, &holdmask);
-#endif /* HAVE_SIGSET */
-}
-
-
-/*
- * 'cupsdReleaseSignals()' - Release signals for delivery.
+ * 'cupsdReleaseSignals()' - Release signals for delivery.
*/
void
}
+/*
+ * 'cupsd_clean_files()' - Clean out old files.
+ */
+
+static void
+cupsd_clean_files(const char *path, /* I - Directory to clean */
+ const char *pattern) /* I - Filename pattern or NULL */
+{
+ cups_dir_t *dir; /* Directory */
+ cups_dentry_t *dent; /* Directory entry */
+ char filename[1024]; /* Filename */
+ int status; /* Status from unlink/rmdir */
+
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "cupsd_clean_files(path=\"%s\", pattern=\"%s\")", path,
+ pattern ? pattern : "(null)");
+
+ if ((dir = cupsDirOpen(path)) == NULL)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to open directory \"%s\" - %s",
+ path, strerror(errno));
+ return;
+ }
+
+ cupsdLogMessage(CUPSD_LOG_INFO, "Cleaning out old files in \"%s\"...", path);
+
+ while ((dent = cupsDirRead(dir)) != NULL)
+ {
+ if (pattern && fnmatch(pattern, dent->filename, 0))
+ continue;
+
+ snprintf(filename, sizeof(filename), "%s/%s", path, dent->filename);
+
+ if (S_ISDIR(dent->fileinfo.st_mode))
+ {
+ cupsd_clean_files(filename, pattern);
+
+ status = rmdir(filename);
+ }
+ else
+ status = unlink(filename);
+
+ if (status)
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to remove \"%s\" - %s", filename,
+ strerror(errno));
+ else
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Removed \"%s\"...", filename);
+ }
+
+ cupsDirClose(dir);
+}
+
+
#ifdef HAVE_LAUNCHD
/*
* 'launchd_checkin()' - Check-in with launchd and collect the listening fds.
static void
launchd_checkin(void)
{
- int i, /* Looping var */
- count, /* Numebr of listeners */
- portnum; /* Port number */
+ size_t i, /* Looping var */
+ count; /* Number of listeners */
+# ifdef HAVE_SSL
+ int portnum; /* Port number */
+# endif /* HAVE_SSL */
launch_data_t ld_msg, /* Launch data message */
ld_resp, /* Launch data response */
ld_array, /* Launch data array */
"launchd_checkin: launch_msg(\"" LAUNCH_KEY_CHECKIN
"\") IPC failure");
exit(EXIT_FAILURE);
+ return; /* anti-compiler-warning */
}
if (launch_data_get_type(ld_resp) == LAUNCH_DATA_ERRNO)
cupsdLogMessage(CUPSD_LOG_ERROR, "launchd_checkin: Check-in failed: %s",
strerror(errno));
exit(EXIT_FAILURE);
+ return; /* anti-compiler-warning */
}
/*
* Get the sockets dictionary...
*/
- if (!(ld_sockets = launch_data_dict_lookup(ld_resp, LAUNCH_JOBKEY_SOCKETS)))
+ if ((ld_sockets = launch_data_dict_lookup(ld_resp, LAUNCH_JOBKEY_SOCKETS))
+ == NULL)
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"launchd_checkin: No sockets found to answer requests on!");
exit(EXIT_FAILURE);
+ return; /* anti-compiler-warning */
}
/*
* Get the array of listener sockets...
*/
- if (!(ld_array = launch_data_dict_lookup(ld_sockets, "Listeners")))
+ if ((ld_array = launch_data_dict_lookup(ld_sockets, "Listeners")) == NULL)
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"launchd_checkin: No sockets found to answer requests on!");
exit(EXIT_FAILURE);
+ return; /* anti-compiler-warning */
}
/*
* Get the launchd file descriptor and address...
*/
- tmp = launch_data_array_get_index(ld_array, i);
- fd = launch_data_get_fd(tmp);
- addrlen = sizeof(addr);
-
- if (getsockname(fd, (struct sockaddr *)&addr, &addrlen))
+ if ((tmp = launch_data_array_get_index(ld_array, i)) != NULL)
{
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "launchd_checkin: Unable to get local address - %s",
- strerror(errno));
- continue;
- }
+ fd = launch_data_get_fd(tmp);
+ addrlen = sizeof(addr);
- /*
- * Try to match the launchd socket address to one of the listeners...
- */
+ if (getsockname(fd, (struct sockaddr *)&addr, &addrlen))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "launchd_checkin: Unable to get local address - %s",
+ strerror(errno));
+ continue;
+ }
- for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners);
- lis;
- lis = (cupsd_listener_t *)cupsArrayNext(Listeners))
- if (httpAddrEqual(&lis->address, &addr))
- break;
+ /*
+ * Try to match the launchd socket address to one of the listeners...
+ */
- /*
- * Add a new listener If there's no match...
- */
+ for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners);
+ lis;
+ lis = (cupsd_listener_t *)cupsArrayNext(Listeners))
+ if (httpAddrEqual(&lis->address, &addr))
+ break;
- if (lis)
- {
- cupsdLogMessage(CUPSD_LOG_DEBUG,
- "launchd_checkin: Matched existing listener %s with fd %d...",
- httpAddrString(&(lis->address), s, sizeof(s)), fd);
- }
- else
- {
- cupsdLogMessage(CUPSD_LOG_DEBUG,
- "launchd_checkin: Adding new listener %s with fd %d...",
- httpAddrString(&addr, s, sizeof(s)), fd);
+ /*
+ * Add a new listener If there's no match...
+ */
- if ((lis = calloc(1, sizeof(cupsd_listener_t))) == NULL)
- {
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "launchd_checkin: Unable to allocate listener - %s.",
- strerror(errno));
- exit(EXIT_FAILURE);
- }
+ if (lis)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "launchd_checkin: Matched existing listener %s with fd %d...",
+ httpAddrString(&(lis->address), s, sizeof(s)), fd);
+ }
+ else
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "launchd_checkin: Adding new listener %s with fd %d...",
+ httpAddrString(&addr, s, sizeof(s)), fd);
- cupsArrayAdd(Listeners, lis);
+ if ((lis = calloc(1, sizeof(cupsd_listener_t))) == NULL)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "launchd_checkin: Unable to allocate listener - "
+ "%s.", strerror(errno));
+ exit(EXIT_FAILURE);
+ }
- memcpy(&lis->address, &addr, sizeof(lis->address));
- }
+ cupsArrayAdd(Listeners, lis);
+
+ memcpy(&lis->address, &addr, sizeof(lis->address));
+ }
- lis->fd = fd;
+ lis->fd = fd;
# ifdef HAVE_SSL
- portnum = 0;
+ portnum = 0;
# ifdef AF_INET6
- if (lis->address.addr.sa_family == AF_INET6)
- portnum = ntohs(lis->address.ipv6.sin6_port);
- else
+ if (lis->address.addr.sa_family == AF_INET6)
+ portnum = ntohs(lis->address.ipv6.sin6_port);
+ else
# endif /* AF_INET6 */
- if (lis->address.addr.sa_family == AF_INET)
- portnum = ntohs(lis->address.ipv4.sin_port);
+ if (lis->address.addr.sa_family == AF_INET)
+ portnum = ntohs(lis->address.ipv4.sin_port);
- if (portnum == 443)
- lis->encryption = HTTP_ENCRYPT_ALWAYS;
+ if (portnum == 443)
+ lis->encryption = HTTP_ENCRYPT_ALWAYS;
# endif /* HAVE_SSL */
+ }
}
}
- /*
- * Collect the browse socket (if there is one)...
- */
-
- if ((ld_array = launch_data_dict_lookup(ld_sockets, "BrowseSockets")))
- {
- if (launch_data_get_type(ld_array) == LAUNCH_DATA_ARRAY)
- {
- if ((tmp = launch_data_array_get_index(ld_array, 0)))
- {
- if (launch_data_get_type(tmp) == LAUNCH_DATA_FD)
- {
- if (BrowseSocket != -1)
- close(BrowseSocket);
-
- BrowseSocket = launch_data_get_fd(tmp);
- }
- else
- cupsdLogMessage(CUPSD_LOG_WARN,
- "launchd_checkin: BrowseSocket not a fd!");
- }
- else
- cupsdLogMessage(CUPSD_LOG_WARN,
- "launchd_checkin: BrowseSockets is an empty array!");
- }
- else
- cupsdLogMessage(CUPSD_LOG_WARN,
- "launchd_checkin: BrowseSockets is not an array!");
- }
- else
- cupsdLogMessage(CUPSD_LOG_DEBUG, "launchd_checkin: No BrowseSockets");
-
launch_data_free(ld_msg);
launch_data_free(ld_resp);
}
/*
* Create or remove the launchd KeepAlive file based on whether
- * there are active jobs, polling, browsing for remote printers or
+ * there are active jobs, polling, browsing for remote printers or
* shared printers to advertise...
*/
- if ((cupsArrayCount(ActiveJobs) || NumPolled ||
- (Browsing &&
- (BrowseRemoteProtocols ||
- (BrowseLocalProtocols && NumBrowsers && cupsArrayCount(Printers))))))
+ if (cupsArrayCount(ActiveJobs) || NumPolled ||
+ (Browsing &&
+ (BrowseRemoteProtocols ||
+ (BrowseLocalProtocols && cupsArrayCount(Printers)))))
{
cupsdLogMessage(CUPSD_LOG_DEBUG,
- "Creating launchd keepalive file \"" CUPS_KEEPALIVE "\"...");
+ "Creating launchd keepalive file \"" CUPS_KEEPALIVE
+ "\"...");
if ((fd = open(CUPS_KEEPALIVE, O_RDONLY | O_CREAT | O_EXCL, S_IRUSR)) >= 0)
close(fd);
else
{
cupsdLogMessage(CUPSD_LOG_DEBUG,
- "Removing launchd keepalive file \"" CUPS_KEEPALIVE "\"...");
+ "Removing launchd keepalive file \"" CUPS_KEEPALIVE
+ "\"...");
unlink(CUPS_KEEPALIVE);
}
}
-
-
-/*
- * 'launchd_create_dict()' - Create a dictionary representing the launchd
- * config file org.cups.cupsd.plist.
- */
-
-static CFDictionaryRef /* O - CFDictionary */
-launchd_create_dict(void)
-{
- int portnum; /* Port number */
- bool runatload; /* Run at load? */
- CFMutableDictionaryRef cupsd_dict, /* org.cups.cupsd.plist dictionary */
- keepalive, /* KeepAlive dictionary */
- pathstate, /* PathState dictionary */
- sockets, /* Sockets dictionary */
- listener; /* Listener dictionary */
- CFMutableArrayRef array; /* Array */
- CFNumberRef socket_mode; /* Domain socket mode bits */
- CFStringRef socket_path; /* Domain socket path */
- CFTypeRef value; /* CF values */
- cupsd_listener_t *lis; /* Current listening socket */
- struct servent *service; /* Services data base entry */
- char temp[1024]; /* Temporary buffer for value */
-
-
- if ((cupsd_dict = CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
- &kCFTypeDictionaryKeyCallBacks,
- &kCFTypeDictionaryValueCallBacks)) == NULL)
- return (NULL);
-
- CFDictionaryAddValue(cupsd_dict, CFSTR(LAUNCH_JOBKEY_LABEL),
- CFSTR("org.cups.cupsd"));
- CFDictionaryAddValue(cupsd_dict, CFSTR(LAUNCH_JOBKEY_ONDEMAND),
- kCFBooleanTrue);
-
- /*
- * Use run-at-load and/or KeepAlive if there are active jobs, polling or
- * shared printers to advertise...
- */
-
- if ((keepalive = CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
- &kCFTypeDictionaryKeyCallBacks,
- &kCFTypeDictionaryValueCallBacks)) != NULL)
- {
- if ((pathstate = CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
- &kCFTypeDictionaryKeyCallBacks,
- &kCFTypeDictionaryValueCallBacks)) != NULL)
- {
- CFDictionaryAddValue(pathstate, CFSTR(CUPS_KEEPALIVE), kCFBooleanTrue);
- CFDictionaryAddValue(keepalive, CFSTR(LAUNCH_JOBKEY_PATHSTATE),
- pathstate);
- }
-
- CFDictionaryAddValue(cupsd_dict, CFSTR(LAUNCH_JOBKEY_KEEPALIVE),
- keepalive);
- }
-
- runatload = (cupsArrayCount(ActiveJobs) || NumPolled ||
- (Browsing && BrowseLocalProtocols &&
- NumBrowsers && cupsArrayCount(Printers))) ? true : false;
-
- CFDictionaryAddValue(cupsd_dict, CFSTR(LAUNCH_JOBKEY_RUNATLOAD),
- runatload ? kCFBooleanTrue : kCFBooleanFalse);
- CFDictionaryAddValue(cupsd_dict, CFSTR(LAUNCH_JOBKEY_SERVICEIPC),
- kCFBooleanTrue);
-
- if ((array = CFArrayCreateMutable(kCFAllocatorDefault, 2,
- &kCFTypeArrayCallBacks)) != NULL)
- {
- CFDictionaryAddValue(cupsd_dict, CFSTR(LAUNCH_JOBKEY_PROGRAMARGUMENTS),
- array);
- CFArrayAppendValue(array, CFSTR("/usr/sbin/cupsd"));
- CFArrayAppendValue(array, CFSTR("-l"));
- CFRelease(array);
- }
-
- /*
- * Add a sockets dictionary...
- */
-
- if ((sockets = (CFMutableDictionaryRef)CFDictionaryCreateMutable(
- kCFAllocatorDefault, 0,
- &kCFTypeDictionaryKeyCallBacks,
- &kCFTypeDictionaryValueCallBacks)) != NULL)
- {
- CFDictionaryAddValue(cupsd_dict, CFSTR(LAUNCH_JOBKEY_SOCKETS), sockets);
-
- /*
- * Add a Listeners array to the sockets dictionary...
- */
-
- if ((array = CFArrayCreateMutable(kCFAllocatorDefault, 0,
- &kCFTypeArrayCallBacks)) != NULL)
- {
- CFDictionaryAddValue(sockets, CFSTR("Listeners"), array);
-
- /*
- * For each listener add a dictionary to the listeners array...
- */
-
- for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners);
- lis;
- lis = (cupsd_listener_t *)cupsArrayNext(Listeners))
- {
- if ((listener = CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
- &kCFTypeDictionaryKeyCallBacks,
- &kCFTypeDictionaryValueCallBacks)) != NULL)
- {
- CFArrayAppendValue(array, listener);
-
-# ifdef AF_LOCAL
- if (lis->address.addr.sa_family == AF_LOCAL)
- {
- if ((socket_path = CFStringCreateWithCString(kCFAllocatorDefault,
- lis->address.un.sun_path,
- kCFStringEncodingUTF8)))
- {
- CFDictionaryAddValue(listener,
- CFSTR(LAUNCH_JOBSOCKETKEY_PATHNAME),
- socket_path);
- CFRelease(socket_path);
- }
- portnum = 0140777; /* (S_IFSOCK|S_IRWXU|S_IRWXG|S_IRWXO) or *
- * 49663d decimal */
- if ((socket_mode = CFNumberCreate(kCFAllocatorDefault,
- kCFNumberIntType, &portnum)))
- {
- CFDictionaryAddValue(listener, CFSTR("SockPathMode"),
- socket_mode);
- CFRelease(socket_mode);
- }
- }
- else
-# endif /* AF_LOCAL */
- {
-# ifdef AF_INET6
- if (lis->address.addr.sa_family == AF_INET6)
- {
- CFDictionaryAddValue(listener,
- CFSTR(LAUNCH_JOBSOCKETKEY_FAMILY),
- CFSTR("IPv6"));
- portnum = lis->address.ipv6.sin6_port;
- }
- else
-# endif /* AF_INET6 */
- {
- CFDictionaryAddValue(listener,
- CFSTR(LAUNCH_JOBSOCKETKEY_FAMILY),
- CFSTR("IPv4"));
- portnum = lis->address.ipv4.sin_port;
- }
-
- if ((service = getservbyport(portnum, NULL)))
- value = CFStringCreateWithCString(kCFAllocatorDefault,
- service->s_name,
- kCFStringEncodingUTF8);
- else
- value = CFNumberCreate(kCFAllocatorDefault,
- kCFNumberIntType, &portnum);
-
- if (value)
- {
- CFDictionaryAddValue(listener,
- CFSTR(LAUNCH_JOBSOCKETKEY_SERVICENAME),
- value);
- CFRelease(value);
- }
-
- httpAddrString(&lis->address, temp, sizeof(temp));
- if ((value = CFStringCreateWithCString(kCFAllocatorDefault, temp,
- kCFStringEncodingUTF8)))
- {
- CFDictionaryAddValue(listener,
- CFSTR(LAUNCH_JOBSOCKETKEY_NODENAME),
- value);
- CFRelease(value);
- }
- }
-
- CFRelease(listener);
- }
- }
-
- CFRelease(array);
- }
-
- /*
- * Add the BrowseSocket to the sockets dictionary...
- */
-
- if (Browsing && (BrowseRemoteProtocols & BROWSE_CUPS))
- {
- if ((array = CFArrayCreateMutable(kCFAllocatorDefault, 0,
- &kCFTypeArrayCallBacks)) != NULL)
- {
- CFDictionaryAddValue(sockets, CFSTR("BrowseSockets"), array);
-
- if ((listener = CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
- &kCFTypeDictionaryKeyCallBacks,
- &kCFTypeDictionaryValueCallBacks)) != NULL)
- {
- CFArrayAppendValue(array, listener);
-
- CFDictionaryAddValue(listener, CFSTR(LAUNCH_JOBSOCKETKEY_FAMILY),
- CFSTR("IPv4"));
- CFDictionaryAddValue(listener, CFSTR(LAUNCH_JOBSOCKETKEY_TYPE),
- CFSTR("dgram"));
-
- if ((service = getservbyport(BrowsePort, NULL)))
- value = CFStringCreateWithCString(kCFAllocatorDefault,
- service->s_name,
- kCFStringEncodingUTF8);
- else
- value = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType,
- &BrowsePort);
-
- CFDictionaryAddValue(listener,
- CFSTR(LAUNCH_JOBSOCKETKEY_SERVICENAME), value);
- CFRelease(value);
-
- CFRelease(listener);
- }
-
- CFRelease(array);
- }
- }
-
- CFRelease(sockets);
- }
-
- return (cupsd_dict);
-}
-
-
-/*
- * 'launchd_sync_conf()' - Rewrite the launchd config file
- * org.cups.cupsd.plist based on cupsd.conf.
- */
-
-static int /* O - 1 if the file was updated */
-launchd_sync_conf(void)
-{
- SInt32 errorCode; /* Error code */
- CFDataRef resourceData; /* XML property list */
- CFDictionaryRef cupsd_dict; /* New org.cups.cupsd.plist dict */
-
-
- /*
- * If needed reconstitute the existing org.cups.cupsd.plist...
- */
-
- if (!launchd_conf_url &&
- !(launchd_conf_url = CFURLCreateFromFileSystemRepresentation(
- kCFAllocatorDefault,
- (const unsigned char *)LaunchdConf,
- strlen(LaunchdConf), false)))
- {
- cupsdLogMessage(CUPSD_LOG_ERROR, "launchd_sync_conf: "
- "Unable to create file URL for \"%s\"\n", LaunchdConf);
- return (0);
- }
-
- if (!launchd_conf_dict)
- {
- if (CFURLCreateDataAndPropertiesFromResource(NULL, launchd_conf_url,
- &resourceData, NULL, NULL, &errorCode))
- {
- launchd_conf_dict = CFPropertyListCreateFromXMLData(NULL, resourceData,
- kCFPropertyListImmutable, NULL);
- CFRelease(resourceData);
- }
-
- if (!launchd_conf_dict)
- {
- cupsdLogMessage(CUPSD_LOG_ERROR, "launchd_sync_conf: "
- "Unable to create dictionary for \"%s\"\n", LaunchdConf);
- }
- }
-
- /*
- * Create a new org.cups.cupsd.plist dictionary...
- */
-
- if ((cupsd_dict = launchd_create_dict()) == NULL)
- {
- cupsdLogMessage(CUPSD_LOG_ERROR, "launchd_sync_conf: "
- "Unable to create file URL for \"%s\"\n", LaunchdConf);
- return (0);
- }
-
- /*
- * If the dictionaries are different write a new org.cups.cupsd.plist...
- */
-
- if (!CFEqual(cupsd_dict, launchd_conf_dict))
- {
- if ((resourceData = CFPropertyListCreateXMLData(kCFAllocatorDefault,
- cupsd_dict)))
- {
- if (CFURLWriteDataAndPropertiesToResource(launchd_conf_url, resourceData,
- NULL, &errorCode))
- {
- /*
- * The new cupsd dictionary becomes the on-disk launchd dictionary...
- */
-
- if (launchd_conf_dict)
- CFRelease(launchd_conf_dict);
-
- launchd_conf_dict = cupsd_dict;
- }
- else
- {
- cupsdLogMessage(CUPSD_LOG_WARN,
- "launchd_sync_conf: "
- "CFURLWriteDataAndPropertiesToResource(\"%s\") "
- "failed: %d\n",
- LaunchdConf, (int)errorCode);
-
- CFRelease(cupsd_dict);
- }
-
- CFRelease(resourceData);
- }
-
- /*
- * Let the caller know we updated the file...
- */
-
- return (1);
- }
-
- return (0);
-}
#endif /* HAVE_LAUNCHD */
process_children(void)
{
int status; /* Exit status of child */
- int pid; /* Process ID of child */
+ int pid, /* Process ID of child */
+ job_id; /* Job ID of child */
cupsd_job_t *job; /* Current job */
int i; /* Looping var */
char name[1024]; /* Process name */
#endif /* HAVE_WAITPID */
{
/*
- * Ignore SIGTERM errors - that comes when a job is canceled...
+ * Collect the name of the process that finished...
*/
- cupsdFinishProcess(pid, name, sizeof(name));
-
- if (status == SIGTERM)
- status = 0;
-
- if (status)
- {
- if (WIFEXITED(status))
- cupsdLogMessage(CUPSD_LOG_ERROR, "PID %d (%s) stopped with status %d!",
- pid, name, WEXITSTATUS(status));
- else
- cupsdLogMessage(CUPSD_LOG_ERROR, "PID %d (%s) crashed on signal %d!",
- pid, name, WTERMSIG(status));
-
- if (LogLevel < CUPSD_LOG_DEBUG)
- cupsdLogMessage(CUPSD_LOG_INFO,
- "Hint: Try setting the LogLevel to \"debug\" to find "
- "out more.");
- }
- else
- cupsdLogMessage(CUPSD_LOG_DEBUG, "PID %d (%s) exited with no errors.",
- pid, name);
+ cupsdFinishProcess(pid, name, sizeof(name), &job_id);
/*
* Delete certificates for CGI processes...
cupsdDeleteCert(pid);
/*
- * Lookup the PID in the jobs list...
+ * Handle completed job filters...
*/
- for (job = (cupsd_job_t *)cupsArrayFirst(ActiveJobs);
- job;
- job = (cupsd_job_t *)cupsArrayNext(ActiveJobs))
- if (job->state_value == IPP_JOB_PROCESSING)
+ if (job_id > 0 && (job = cupsdFindJob(job_id)) != NULL)
+ {
+ for (i = 0; job->filters[i]; i ++)
+ if (job->filters[i] == pid)
+ break;
+
+ if (job->filters[i] || job->backend == pid)
{
- for (i = 0; job->filters[i]; i ++)
- if (job->filters[i] == pid)
- break;
+ /*
+ * OK, this process has gone away; what's left?
+ */
+
+ if (job->filters[i])
+ job->filters[i] = -pid;
+ else
+ job->backend = -pid;
- if (job->filters[i] || job->backend == pid)
+ if (status && status != SIGTERM && status != SIGKILL &&
+ status != SIGPIPE && job->status >= 0)
{
/*
- * OK, this process has gone away; what's left?
+ * An error occurred; save the exit status so we know to stop
+ * the printer or cancel the job when all of the filters finish...
+ *
+ * A negative status indicates that the backend failed and the
+ * printer needs to be stopped.
*/
- if (job->filters[i])
- job->filters[i] = -pid;
+ if (job->filters[i])
+ job->status = status; /* Filter failed */
else
- job->backend = -pid;
+ job->status = -status; /* Backend failed */
- if (status && job->status >= 0)
+ if (job->state_value == IPP_JOB_PROCESSING &&
+ job->status_level > CUPSD_LOG_ERROR)
{
- /*
- * An error occurred; save the exit status so we know to stop
- * the printer or cancel the job when all of the filters finish...
- *
- * A negative status indicates that the backend failed and the
- * printer needs to be stopped.
- */
+ char message[1024]; /* New printer-state-message */
+
- if (job->filters[i])
- job->status = status; /* Filter failed */
- else
- job->status = -status; /* Backend failed */
+ job->status_level = CUPSD_LOG_ERROR;
- if (job->printer && !(job->printer->type & CUPS_PRINTER_FAX))
+ snprintf(message, sizeof(message), "%s failed", name);
+
+ if (job->printer)
{
- snprintf(job->printer->state_message,
- sizeof(job->printer->state_message), "%s failed", name);
- cupsdAddPrinterHistory(job->printer);
+ strlcpy(job->printer->state_message, message,
+ sizeof(job->printer->state_message));
}
- }
- /*
- * If this is not the last file in a job, see if all of the
- * filters are done, and if so move to the next file.
- */
+ if (!job->attrs)
+ cupsdLoadJob(job);
- if (job->current_file < job->num_files)
- {
- for (i = 0; job->filters[i] < 0; i ++);
-
- if (!job->filters[i])
+ if (!job->printer_message && job->attrs)
{
- /*
- * Process the next file...
- */
-
- cupsdFinishJob(job);
+ if ((job->printer_message =
+ ippFindAttribute(job->attrs, "job-printer-state-message",
+ IPP_TAG_TEXT)) == NULL)
+ job->printer_message = ippAddString(job->attrs, IPP_TAG_JOB,
+ IPP_TAG_TEXT,
+ "job-printer-state-message",
+ NULL, NULL);
}
+
+ if (job->printer_message)
+ cupsdSetString(&(job->printer_message->values[0].string.text),
+ message);
}
- break;
}
- }
- }
-}
-
-/*
- * 'sigchld_handler()' - Handle 'child' signals from old processes.
- */
-
-static void
-sigchld_handler(int sig) /* I - Signal number */
-{
- (void)sig;
-
- /*
- * Flag that we have dead children...
- */
-
- dead_children = 1;
-
- /*
- * Reset the signal handler as needed...
- */
-
-#if !defined(HAVE_SIGSET) && !defined(HAVE_SIGACTION)
- signal(SIGCLD, sigchld_handler);
-#endif /* !HAVE_SIGSET && !HAVE_SIGACTION */
-}
+ /*
+ * If this is not the last file in a job, see if all of the
+ * filters are done, and if so move to the next file.
+ */
+ if (job->current_file < job->num_files && job->printer)
+ {
+ for (i = 0; job->filters[i] < 0; i ++);
-/*
- * 'sighup_handler()' - Handle 'hangup' signals to reconfigure the scheduler.
- */
+ if (!job->filters[i] &&
+ (!job->printer->pc || !job->printer->pc->single_file ||
+ job->backend <= 0))
+ {
+ /*
+ * Process the next file...
+ */
-static void
-sighup_handler(int sig) /* I - Signal number */
-{
- (void)sig;
+ cupsdContinueJob(job);
+ }
+ }
+ else if (job->state_value >= IPP_JOB_CANCELED)
+ {
+ /*
+ * Remove the job from the active list if there are no processes still
+ * running for it...
+ */
- NeedReload = RELOAD_ALL;
- ReloadTime = time(NULL);
+ for (i = 0; job->filters[i] < 0; i++);
-#if !defined(HAVE_SIGSET) && !defined(HAVE_SIGACTION)
- signal(SIGHUP, sighup_handler);
-#endif /* !HAVE_SIGSET && !HAVE_SIGACTION */
-}
+ if (!job->filters[i] && job->backend <= 0)
+ cupsArrayRemove(ActiveJobs, job);
+ }
+ }
+ }
+ /*
+ * Show the exit status as needed, ignoring SIGTERM and SIGKILL errors
+ * since they come when we kill/end a process...
+ */
-/*
- * 'sigterm_handler()' - Handle 'terminate' signals that stop the scheduler.
- */
+ if (status == SIGTERM || status == SIGKILL)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "PID %d (%s) was terminated normally with signal %d.",
+ pid, name, status);
+ }
+ else if (status == SIGPIPE)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "PID %d (%s) did not catch or ignore signal %d.",
+ pid, name, status);
+ }
+ else if (status)
+ {
+ if (WIFEXITED(status))
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "PID %d (%s) stopped with status %d!",
+ pid, name, WEXITSTATUS(status));
+ else
+ cupsdLogMessage(CUPSD_LOG_ERROR, "PID %d (%s) crashed on signal %d!",
+ pid, name, WTERMSIG(status));
-static void
-sigterm_handler(int sig) /* I - Signal */
-{
- (void)sig; /* remove compiler warnings... */
+ if (LogLevel < CUPSD_LOG_DEBUG)
+ cupsdLogMessage(CUPSD_LOG_INFO,
+ "Hint: Try setting the LogLevel to \"debug\" to find "
+ "out more.");
+ }
+ else
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "PID %d (%s) exited with no errors.",
+ pid, name);
+ }
/*
- * Flag that we should stop and return...
+ * If wait*() is interrupted by a signal, tell main() to call us again...
*/
- stop_scheduler = 1;
+ if (pid < 0 && errno == EINTR)
+ dead_children = 1;
}
timeout = now + 86400; /* 86400 == 1 day */
why = "do nothing";
+#ifdef __APPLE__
+ /*
+ * When going to sleep, wake up to cancel jobs that don't complete in time.
+ */
+
+ if (SleepJobs > 0 && SleepJobs < timeout)
+ {
+ timeout = SleepJobs;
+ why = "cancel jobs before sleeping";
+ }
+#endif /* __APPLE__ */
+
+ /*
+ * Check whether we are accepting new connections...
+ */
+
+ if (ListeningPaused > 0 && cupsArrayCount(Clients) < MaxClients &&
+ ListeningPaused < timeout)
+ {
+ if (ListeningPaused <= now)
+ timeout = now;
+ else
+ timeout = ListeningPaused;
+
+ why = "resume listening";
+ }
+
/*
* Check the activity and close old clients...
*/
}
}
+ /*
+ * Write out changes to configuration and state files...
+ */
+
+ if (DirtyCleanTime && timeout > DirtyCleanTime)
+ {
+ timeout = DirtyCleanTime;
+ why = "write dirty config/state files";
+ }
+
/*
* Check for any active jobs...
*/
- if (timeout > (now + 10) && ActiveJobs)
+ for (job = (cupsd_job_t *)cupsArrayFirst(ActiveJobs);
+ job;
+ job = (cupsd_job_t *)cupsArrayNext(ActiveJobs))
{
- for (job = (cupsd_job_t *)cupsArrayFirst(ActiveJobs);
- job;
- job = (cupsd_job_t *)cupsArrayNext(ActiveJobs))
- if (job->state_value <= IPP_JOB_PROCESSING)
- {
- timeout = now + 10;
- why = "process active jobs";
- break;
- }
+ if (job->kill_time && job->kill_time < timeout)
+ {
+ timeout = job->kill_time;
+ why = "kill unresponsive jobs";
+ }
+
+ if (job->state_value == IPP_JOB_HELD && job->hold_until < timeout)
+ {
+ timeout = job->hold_until;
+ why = "release held jobs";
+ }
+ else if (job->state_value == IPP_JOB_PENDING && timeout > (now + 10))
+ {
+ timeout = now + 10;
+ why = "start pending jobs";
+ break;
+ }
}
#ifdef HAVE_MALLINFO
}
+/*
+ * 'sigchld_handler()' - Handle 'child' signals from old processes.
+ */
+
+static void
+sigchld_handler(int sig) /* I - Signal number */
+{
+ (void)sig;
+
+ /*
+ * Flag that we have dead children...
+ */
+
+ dead_children = 1;
+
+ /*
+ * Reset the signal handler as needed...
+ */
+
+#if !defined(HAVE_SIGSET) && !defined(HAVE_SIGACTION)
+ signal(SIGCLD, sigchld_handler);
+#endif /* !HAVE_SIGSET && !HAVE_SIGACTION */
+}
+
+
+/*
+ * 'sighup_handler()' - Handle 'hangup' signals to reconfigure the scheduler.
+ */
+
+static void
+sighup_handler(int sig) /* I - Signal number */
+{
+ (void)sig;
+
+ NeedReload = RELOAD_ALL;
+ ReloadTime = time(NULL);
+
+#if !defined(HAVE_SIGSET) && !defined(HAVE_SIGACTION)
+ signal(SIGHUP, sighup_handler);
+#endif /* !HAVE_SIGSET && !HAVE_SIGACTION */
+}
+
+
+/*
+ * 'sigterm_handler()' - Handle 'terminate' signals that stop the scheduler.
+ */
+
+static void
+sigterm_handler(int sig) /* I - Signal number */
+{
+ (void)sig; /* remove compiler warnings... */
+
+ /*
+ * Flag that we should stop and return...
+ */
+
+ stop_scheduler = 1;
+}
+
+
/*
* 'usage()' - Show scheduler usage.
*/
static void
usage(int status) /* O - Exit status */
{
- _cupsLangPuts(status ? stderr : stdout,
- _("Usage: cupsd [-c config-file] [-f] [-F] [-h] [-l]\n"
- "\n"
- "-c config-file Load alternate configuration file\n"
- "-f Run in the foreground\n"
- "-F Run in the foreground but detach\n"
- "-h Show this usage message\n"
- "-l Run cupsd from launchd(8)\n"));
+ FILE *fp = status ? stderr : stdout; /* Output file */
+
+
+ _cupsLangPuts(fp, _("Usage: cupsd [options]"));
+ _cupsLangPuts(fp, _("Options:"));
+ _cupsLangPuts(fp, _(" -c config-file Load alternate configuration "
+ "file."));
+ _cupsLangPuts(fp, _(" -f Run in the foreground."));
+ _cupsLangPuts(fp, _(" -F Run in the foreground but "
+ "detach from console."));
+ _cupsLangPuts(fp, _(" -h Show this usage message."));
+ _cupsLangPuts(fp, _(" -l Run cupsd from launchd(8)."));
+ _cupsLangPuts(fp, _(" -t Test the configuration "
+ "file."));
+
exit(status);
}
/*
- * End of "$Id: main.c 6365 2007-03-19 20:56:57Z mike $".
+ * End of "$Id: main.c 7925 2008-09-10 17:47:26Z mike $".
*/
projects / thirdparty / cups.git / blobdiff