/*
- * "$Id: main.c 6564 2007-06-18 23:40:38Z mike $"
+ * Main loop for the CUPS scheduler.
*
- * Scheduler main loop for the Common UNIX Printing System (CUPS).
+ * Copyright 2007-2016 by Apple Inc.
+ * Copyright 1997-2007 by Easy Software Products, all rights reserved.
*
- * 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
- * "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
- *
- * 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.
- * 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.
+ * 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"
+ * "LICENSE" which should have been included with this file. If this
+ * file is missing or damaged, see the license at "http://www.cups.org/".
*/
/*
#define _MAIN_C_
#include "cupsd.h"
#include <sys/resource.h>
+#ifdef HAVE_ASL_H
+# include <asl.h>
+#elif defined(HAVE_SYSTEMD_SD_JOURNAL_H)
+# define SD_JOURNAL_SUPPRESS_LOCATION
+# include <systemd/sd-journal.h>
+#endif /* HAVE_ASL_H */
#include <syslog.h>
#include <grp.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"
-# endif /* !LAUNCH_JOBKEY_KEEPALIVE */
-# ifndef LAUNCH_JOBKEY_PATHSTATE
-# define LAUNCH_JOBKEY_PATHSTATE "PathState"
-# endif /* !LAUNCH_JOBKEY_PATHSTATE */
-# ifndef LAUNCH_JOBKEY_SERVICEIPC
-# define LAUNCH_JOBKEY_SERVICEIPC "ServiceIPC"
-# endif /* !LAUNCH_JOBKEY_SERVICEIPC */
+# ifdef HAVE_LAUNCH_ACTIVATE_SOCKET
+/* Update when we have a public header we can include */
+extern int launch_activate_socket(const char *name, int **fds, size_t *cnt);
+# endif /* HAVE_LAUNCH_ACTIVATE_SOCKET */
#endif /* HAVE_LAUNCH_H */
+#ifdef HAVE_SYSTEMD
+# include <systemd/sd-daemon.h>
+# define CUPS_KEEPALIVE CUPS_CACHEDIR "/org.cups.cupsd"
+ /* Name of the systemd path file */
+#endif /* HAVE_SYSTEMD */
+
#if defined(HAVE_MALLOC_H) && defined(HAVE_MALLINFO)
# include <malloc.h>
#endif /* HAVE_MALLOC_H && HAVE_MALLINFO */
+
#ifdef HAVE_NOTIFY_H
# include <notify.h>
#endif /* HAVE_NOTIFY_H */
-#if defined(__APPLE__) && defined(HAVE_DLFCN_H)
-# include <dlfcn.h>
-#endif /* __APPLE__ && HAVE_DLFCN_H */
+#ifdef HAVE_DBUS
+# include <dbus/dbus.h>
+#endif /* HAVE_DBUS */
+
+#ifdef HAVE_SYS_PARAM_H
+# include <sys/param.h>
+#endif /* HAVE_SYS_PARAM_H */
/*
* Local functions...
*/
-#ifdef HAVE_LAUNCHD
-static void launchd_checkin(void);
-static void launchd_checkout(void);
-#endif /* HAVE_LAUNCHD */
static void parent_handler(int sig);
static void process_children(void);
static void sigchld_handler(int sig);
static void sighup_handler(int sig);
static void sigterm_handler(int sig);
static long select_timeout(int fds);
-static void usage(int status);
+#if defined(HAVE_ONDEMAND)
+static void service_checkin(void);
+static void service_checkout(void);
+#endif /* HAVE_ONDEMAND */
+static void usage(int status) __attribute__((noreturn));
/*
static int stop_scheduler = 0;
/* Should the scheduler stop? */
-#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.
{
int i; /* Looping var */
char *opt; /* Option character */
- int fg; /* Run in the foreground */
+ int close_all = 1, /* Close all file descriptors? */
+ disconnect = 1, /* Disconnect from controlling terminal? */
+ fg = 0, /* Run in foreground? */
+ run_as_child = 0,
+ /* Running as child process? */
+ print_profile = 0;
+ /* Print the sandbox profile to stdout? */
int fds; /* Number of ready descriptors */
cupsd_client_t *con; /* Current client */
cupsd_job_t *job; /* Current job */
cupsd_listener_t *lis; /* Current listener */
time_t current_time, /* Current time */
activity, /* Client activity timer */
- 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)
struct sigaction action; /* Actions for POSIX signals */
#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
-#ifdef __sgi
- cups_file_t *fp; /* Fake lpsched lock file */
- struct stat statbuf; /* Needed for checking lpsched FIFO */
-#endif /* __sgi */
-#if HAVE_LAUNCHD
- int launchd_idle_exit;
+#ifdef __APPLE__
+ int use_sysman = 1; /* Use system management functions? */
+#else
+ time_t netif_time = 0; /* Time since last network update */
+#endif /* __APPLE__ */
+#if defined(HAVE_ONDEMAND)
+ int service_idle_exit;
/* Idle exit on select timeout? */
-#endif /* HAVE_LAUNCHD */
+#endif /* HAVE_ONDEMAND */
+#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...
*/
#ifdef HAVE_LAUNCHD
if (getenv("CUPSD_LAUNCHD"))
{
- Launchd = 1;
- fg = 1;
+ OnDemand = 1;
+ fg = 1;
+ close_all = 0;
+ disconnect = 0;
}
#endif /* HAVE_LAUNCHD */
for (opt = argv[i] + 1; *opt != '\0'; opt ++)
switch (*opt)
{
+ case 'C' : /* Run as child with config file */
+ run_as_child = 1;
+ fg = 1;
+ close_all = 0;
+
case 'c' : /* Configuration file */
i ++;
if (i >= argc)
{
_cupsLangPuts(stderr, _("cupsd: Expected config filename "
- "after \"-c\" option!\n"));
+ "after \"-c\" option."));
usage(1);
}
char *current; /* Current directory */
-
/*
* Allocate a buffer for the current working directory to
* reduce run-time stack usage; this approximates the
* 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;
case 'f' : /* Run in foreground... */
- fg = 1;
+ fg = 1;
+ disconnect = 0;
+ close_all = 0;
break;
case 'F' : /* Run in foreground, but disconnect from terminal... */
- fg = -1;
+ fg = 1;
+ close_all = 0;
break;
case 'h' : /* Show usage/help */
usage(0);
break;
- case 'l' : /* Started by launchd... */
-#ifdef HAVE_LAUNCHD
- Launchd = 1;
- fg = 1;
+ case 'l' : /* Started by launchd/systemd... */
+#if defined(HAVE_ONDEMAND)
+ OnDemand = 1;
+ fg = 1;
+ close_all = 0;
+ disconnect = 0;
#else
- _cupsLangPuts(stderr, _("cupsd: launchd(8) support not compiled "
- "in, running in normal mode.\n"));
- fg = 0;
-#endif /* HAVE_LAUNCHD */
+ _cupsLangPuts(stderr, _("cupsd: On-demand support not compiled "
+ "in, running in normal mode."));
+ fg = 0;
+ disconnect = 1;
+ close_all = 1;
+#endif /* HAVE_ONDEMAND */
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;
+ disconnect = 0;
+ close_all = 0;
+ break;
+
+ case 'P' : /* Disable security profiles */
+ fputs("cupsd: -P (disable sandboxing) is for internal testing use only.\n", stderr);
+ UseSandboxing = 0;
+ break;
+
+ case 's' : /* Set cups-files.conf location */
+ i ++;
+ if (i >= argc)
+ {
+ _cupsLangPuts(stderr, _("cupsd: Expected cups-files.conf "
+ "filename after \"-s\" option."));
+ usage(1);
+ }
+
+ if (argv[i][0] != '/')
+ {
+ /*
+ * Relative filename not allowed...
+ */
+
+ _cupsLangPuts(stderr, _("cupsd: Relative cups-files.conf "
+ "filename not allowed."));
+ usage(1);
+ }
+
+ cupsdSetString(&CupsFilesFile, argv[i]);
+ 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;
+ disconnect = 0;
+ close_all = 0;
break;
+ case 'T' : /* Print security profile */
+ print_profile = 1;
+ fg = 1;
+ disconnect = 0;
+ close_all = 0;
+ 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);
}
if (!ConfigurationFile)
cupsdSetString(&ConfigurationFile, CUPS_SERVERROOT "/cupsd.conf");
+ if (!CupsFilesFile)
+ {
+ char *filename, /* Copy of cupsd.conf filename */
+ *slash; /* Final slash in cupsd.conf filename */
+ size_t len; /* Size of buffer */
+
+ len = strlen(ConfigurationFile) + 15;
+ if ((filename = malloc(len)) == NULL)
+ {
+ _cupsLangPrintf(stderr,
+ _("cupsd: Unable to get path to "
+ "cups-files.conf file."));
+ return (1);
+ }
+
+ strlcpy(filename, ConfigurationFile, len);
+ if ((slash = strrchr(filename, '/')) == NULL)
+ {
+ _cupsLangPrintf(stderr,
+ _("cupsd: Unable to get path to "
+ "cups-files.conf file."));
+ return (1);
+ }
+
+ strlcpy(slash, "/cups-files.conf", len - (size_t)(slash - filename));
+ cupsdSetString(&CupsFilesFile, filename);
+ free(filename);
+ }
+
+ if (disconnect)
+ {
+ /*
+ * Make sure we aren't tying up any filesystems...
+ */
+
+ chdir("/");
+
+ /*
+ * Disconnect from the controlling terminal...
+ */
+
+ setsid();
+ }
+
+ if (close_all)
+ {
+ /*
+ * Close all open files...
+ */
+
+ getrlimit(RLIMIT_NOFILE, &limit);
+
+ for (i = 0; i < (int)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);
+ }
+ }
+ else
+ LogStderr = cupsFileStderr();
+
/*
- * If the user hasn't specified "-f", run in the background...
+ * Run in the background as needed...
*/
if (!fg)
}
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);
}
}
- }
-
- if (fg < 1)
- {
- /*
- * Make sure we aren't tying up any filesystems...
- */
-
- chdir("/");
-
-#ifndef DEBUG
- /*
- * Disable core dumps...
- */
-
- getrlimit(RLIMIT_CORE, &limit);
- limit.rlim_cur = 0;
- setrlimit(RLIMIT_CORE, &limit);
+#if defined(__OpenBSD__) && OpenBSD < 201211
/*
- * Disconnect from the controlling terminal...
+ * 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 older versions of OpenBSD.
*/
- setsid();
+ _thread_sys_closefrom(0);
+#endif /* __OpenBSD__ && OpenBSD < 201211 */
/*
- * Close all open files...
+ * Since many system libraries create fork-unsafe data on execution of a
+ * program, we need to re-execute the background cupsd with the "-C" and "-s"
+ * options 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...
*/
- getrlimit(RLIMIT_NOFILE, &limit);
-
- for (i = 0; i < limit.rlim_cur && i < 1024; i ++)
- close(i);
-#endif /* DEBUG */
+ execlp(argv[0], argv[0], "-C", ConfigurationFile, "-s", CupsFilesFile, (char *)0);
+ exit(errno);
}
/*
setlocale(LC_TIME, "");
#endif /* LC_TIME */
+#ifdef HAVE_DBUS_THREADS_INIT
+ /*
+ * Enable threading support for D-BUS...
+ */
+
+ dbus_threads_init_default();
+#endif /* HAVE_DBUS_THREADS_INIT */
+
/*
* Set the maximum number of files...
*/
#endif /* RLIM_INFINITY */
MaxFDs = limit.rlim_max;
- limit.rlim_cur = MaxFDs;
+ limit.rlim_cur = (rlim_t)MaxFDs;
setrlimit(RLIMIT_NOFILE, &limit);
*/
if (!cupsdReadConfiguration())
- {
- syslog(LOG_LPR, "Unable to read configuration file \'%s\' - exiting!",
- ConfigurationFile);
return (1);
+ else if (TestConfigFile)
+ {
+ printf("\"%s\" is OK.\n", CupsFilesFile);
+ printf("\"%s\" is OK.\n", ConfigurationFile);
+ return (0);
}
-
-#if HAVE_LAUNCHD
- if (Launchd)
+ else if (print_profile)
{
- /*
- * If we were started by launchd get the listen sockets file descriptors...
- */
+ cups_file_t *fp; /* File pointer */
+ const char *profile = cupsdCreateProfile(42, 0);
+ /* Profile */
+ char line[1024]; /* Line from file */
+
+
+ if ((fp = cupsFileOpen(profile, "r")) == NULL)
+ {
+ printf("Unable to open profile file \"%s\": %s\n", profile ? profile : "(null)", strerror(errno));
+ return (1);
+ }
+
+ while (cupsFileGets(fp, line, sizeof(line)))
+ puts(line);
+
+ cupsFileClose(fp);
- launchd_checkin();
+ return (0);
}
-#endif /* HAVE_LAUNCHD */
-#if defined(__APPLE__) && defined(HAVE_DLFCN_H)
/*
- * Load Print Service quota enforcement library (X Server only)
+ * Clean out old temp files and printer cache data.
*/
- PSQLibRef = dlopen(PSQLibPath, RTLD_LAZY);
+ if (!strncmp(TempDir, RequestRoot, strlen(RequestRoot)))
+ cupsdCleanFiles(TempDir, NULL);
+
+ cupsdCleanFiles(CacheDir, "*.ipp");
+
+#if defined(HAVE_ONDEMAND)
+ if (OnDemand)
+ {
+ /*
+ * If we were started on demand by launchd or systemd get the listen sockets
+ * file descriptors...
+ */
- if (PSQLibRef)
- PSQUpdateQuotaProc = dlsym(PSQLibRef, PSQLibFuncName);
-#endif /* __APPLE__ && HAVE_DLFCN_H */
+ service_checkin();
+ service_checkout();
+ }
+#endif /* HAVE_ONDEMAND */
/*
* Startup the server...
*/
+ httpInitialize();
+
cupsdStartServer();
/*
signal(SIGTERM, sigterm_handler);
#endif /* HAVE_SIGSET */
-#ifdef __sgi
- /*
- * Try to create a fake lpsched lock file if one is not already there.
- * Some Adobe applications need it under IRIX in order to enable
- * printing...
- */
-
- if ((fp = cupsFileOpen("/var/spool/lp/SCHEDLOCK", "w")) == NULL)
- {
- syslog(LOG_LPR, "Unable to create fake lpsched lock file "
- "\"/var/spool/lp/SCHEDLOCK\"\' - %s!",
- strerror(errno));
- }
- else
- {
- fchmod(cupsFileNumber(fp), 0644);
- fchown(cupsFileNumber(fp), User, Group);
-
- cupsFileClose(fp);
- }
-#endif /* __sgi */
-
/*
* Initialize authentication certificates...
*/
* 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...
+ */
+
+#if defined(HAVE_ONDEMAND)
+ if (OnDemand)
+ cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL, "Scheduler started on demand.");
+ else
+#endif /* HAVE_ONDEMAND */
+ 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);
+ 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...
*/
for (con = (cupsd_client_t *)cupsArrayFirst(Clients);
con;
con = (cupsd_client_t *)cupsArrayNext(Clients))
- if (con->http.state == HTTP_WAITING)
+ if (httpGetState(con->http) == HTTP_WAITING)
cupsdCloseClient(con);
else
- con->http.keep_alive = HTTP_KEEPALIVE_OFF;
+ con->http->keep_alive = HTTP_KEEPALIVE_OFF;
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 (!cupsdReadConfiguration())
{
- syslog(LOG_LPR, "Unable to read configuration file \'%s\' - exiting!",
- ConfigurationFile);
- break;
- }
-
-#if HAVE_LAUNCHD
- if (Launchd)
- {
- /*
- * If we were started by launchd get the listen sockets file descriptors...
- */
+#ifdef HAVE_ASL_H
+ asl_object_t m; /* Log message */
+
+ m = asl_new(ASL_TYPE_MSG);
+ asl_set(m, ASL_KEY_FACILITY, "org.cups.cupsd");
+ asl_log(NULL, m, ASL_LEVEL_ERR, "Unable to read configuration file \"%s\" - exiting.", ConfigurationFile);
+ asl_release(m);
+#elif defined(HAVE_SYSTEMD_SD_JOURNAL_H)
+ sd_journal_print(LOG_ERR, "Unable to read configuration file \"%s\" - exiting.", ConfigurationFile);
+#else
+ syslog(LOG_LPR, "Unable to read configuration file \'%s\' - exiting.", ConfigurationFile);
+#endif /* HAVE_ASL_H */
- launchd_checkin();
+ break;
}
-#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 defined(HAVE_ONDEMAND)
/*
* If no other work is scheduled and we're being controlled by
* launchd then timeout after 'LaunchdTimeout' seconds of
* inactivity...
*/
- if (timeout == 86400 && Launchd && LaunchdTimeout && !NumPolled &&
- (!Browsing ||
- (!BrowseRemoteProtocols &&
- (!NumBrowsers || !BrowseLocalProtocols ||
- cupsArrayCount(Printers) == 0))))
+ if (timeout == 86400 && OnDemand && IdleExitTimeout &&
+ !cupsArrayCount(ActiveJobs) &&
+# ifdef HAVE_SYSTEMD
+ !WebInterface &&
+# endif /* HAVE_SYSTEMD */
+ (!Browsing || !BrowseLocalProtocols || !cupsArrayCount(Printers)))
{
- timeout = LaunchdTimeout;
- launchd_idle_exit = 1;
+ timeout = IdleExitTimeout;
+ service_idle_exit = 1;
}
else
- launchd_idle_exit = 0;
-#endif /* HAVE_LAUNCHD */
+ service_idle_exit = 0;
+#endif /* HAVE_ONDEMAND */
if ((fds = cupsdDoSelect(timeout)) < 0)
{
* Got an error from select!
*/
-#ifdef HAVE_DNSSD
+#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
cupsd_printer_t *p; /* Current printer */
-#endif /* HAVE_DNSSD */
+#endif /* HAVE_DNSSD || HAVE_AVAHI */
if (errno == EINTR) /* Just interrupted by a signal */
i ++, con = (cupsd_client_t *)cupsArrayNext(Clients))
cupsdLogMessage(CUPSD_LOG_EMERG,
"Clients[%d] = %d, file = %d, state = %d",
- i, con->http.fd, con->file, con->http.state);
+ i, con->number, con->file, httpGetState(con->http));
for (i = 0, lis = (cupsd_listener_t *)cupsArrayFirst(Listeners);
lis;
i ++, lis = (cupsd_listener_t *)cupsArrayNext(Listeners))
cupsdLogMessage(CUPSD_LOG_EMERG, "Listeners[%d] = %d", i, lis->fd);
- cupsdLogMessage(CUPSD_LOG_EMERG, "BrowseSocket = %d", BrowseSocket);
-
cupsdLogMessage(CUPSD_LOG_EMERG, "CGIPipes[0] = %d", CGIPipes[0]);
#ifdef __APPLE__
job->print_pipes[0], job->print_pipes[1],
job->back_pipes[0], job->back_pipes[1]);
-#ifdef HAVE_DNSSD
+#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
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);
-#endif /* HAVE_DNSSD */
+ cupsdLogMessage(CUPSD_LOG_EMERG, "printer[%s] reg_name=\"%s\"", p->name,
+ p->reg_name ? p->reg_name : "(null)");
+#endif /* HAVE_DNSSD || HAVE_AVAHI */
break;
}
current_time = time(NULL);
-#if HAVE_LAUNCHD
+ /*
+ * 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 defined(HAVE_ONDEMAND)
/*
* If no other work was scheduled and we're being controlled by launchd
* then timeout after 'LaunchdTimeout' seconds of inactivity...
*/
- if (!fds && launchd_idle_exit)
+ if (!fds && service_idle_exit)
{
cupsdLogMessage(CUPSD_LOG_INFO,
"Printer sharing is off and there are no jobs pending, "
stop_scheduler = 1;
break;
}
-#endif /* HAVE_LAUNCHD */
+#endif /* HAVE_ONDEMAND */
+
+ /*
+ * Resume listening for new connections as needed...
+ */
+
+ if (ListeningPaused && ListeningPaused <= current_time &&
+ cupsArrayCount(Clients) < MaxClients)
+ cupsdResumeListening();
/*
* Expire subscriptions and unload completed jobs as needed...
expire_time = current_time;
}
- /*
- * Update the browse list as needed...
- */
-
- if (Browsing)
- {
-#ifdef HAVE_LIBSLP
- if ((BrowseRemoteProtocols & BROWSE_SLP) &&
- BrowseSLPRefresh <= current_time)
- cupsdUpdateSLPBrowse();
-#endif /* HAVE_LIBSLP */
-
-#ifdef HAVE_LDAP
- if ((BrowseRemoteProtocols & BROWSE_LDAP) &&
- BrowseLDAPRefresh <= current_time)
- cupsdUpdateLDAPBrowse();
-#endif /* HAVE_LDAP */
- }
-
- if (Browsing && BrowseLocalProtocols && current_time > browse_time)
- {
- cupsdSendBrowseList();
- browse_time = current_time;
- }
-
+#ifndef HAVE_AUTHORIZATION_H
/*
* Update the root certificate once every 5 minutes if we have client
* connections...
*/
cupsdDeleteCert(0);
- cupsdAddCert(0, "root");
+ cupsdAddCert(0, "root", cupsdDefaultAuthType());
}
+#endif /* !HAVE_AUTHORIZATION_H */
/*
* Check for new data on the client sockets...
* Process pending data in the input buffer...
*/
- if (con->http.used)
+ if (httpGetReady(con->http))
{
cupsdReadClient(con);
continue;
*/
activity = current_time - Timeout;
- if (con->http.activity < activity && !con->pipe_pid)
+ if (httpGetActivity(con->http) < activity && !con->pipe_pid)
{
- cupsdLogMessage(CUPSD_LOG_DEBUG,
- "Closing client %d after %d seconds of inactivity...",
- con->http.fd, Timeout);
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Closing client %d after %d seconds of inactivity.", con->number, Timeout);
cupsdCloseClient(con);
continue;
}
/*
- * Log memory usage every minute...
+ * Clean job history...
+ */
+
+ if (JobHistoryUpdate && current_time >= JobHistoryUpdate)
+ cupsdCleanJobs();
+
+ /*
+ * 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));
+
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...
*/
- cupsdStopServer();
-
- cupsdFreeAllJobs();
+ DoingShutdown = 1;
-#ifdef __APPLE__
- cupsdStopSystemMonitor();
-#endif /* __APPLE__ */
+ cupsdStopServer();
-#ifdef HAVE_LAUNCHD
+#if defined(HAVE_ONDEMAND)
/*
- * Update the launchd KeepAlive file as needed...
+ * Update the keep-alive file as needed...
*/
- if (Launchd)
- launchd_checkout();
-#endif /* HAVE_LAUNCHD */
+ if (OnDemand)
+ service_checkout();
+#endif /* HAVE_ONDEMAND */
-#ifdef __APPLE__
-#ifdef HAVE_DLFCN_H
- /*
- * Unload Print Service quota enforcement library (X Server only)
+ /*
+ * Stop all jobs...
*/
- PSQUpdateQuotaProc = NULL;
- if (PSQLibRef)
- {
- dlclose(PSQLibRef);
- PSQLibRef = NULL;
- }
-#endif /* HAVE_DLFCN_H */
-#endif /* __APPLE__ */
+ cupsdFreeAllJobs();
-#ifdef __sgi
+#ifdef __APPLE__
/*
- * Remove the fake IRIX lpsched lock file, but only if the existing
- * file is not a FIFO which indicates that the real IRIX lpsched is
- * running...
+ * Stop monitoring system event monitoring...
*/
- if (!stat("/var/spool/lp/FIFO", &statbuf))
- if (!S_ISFIFO(statbuf.st_mode))
- unlink("/var/spool/lp/SCHEDLOCK");
-#endif /* __sgi */
+ if (use_sysman)
+ cupsdStopSystemMonitor();
+#endif /* __APPLE__ */
cupsdStopSelect();
/*
- * 'cupsdClosePipe()' - Close a pipe as necessary.
+ * 'cupsdAddString()' - Copy and add a string to an array.
*/
-void
-cupsdClosePipe(int *fds) /* I - Pipe file descriptors (2) */
+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 */
{
- /*
- * Close file descriptors as needed...
- */
+ if (!*a)
+ *a = cupsArrayNew3((cups_array_func_t)strcmp, NULL,
+ (cups_ahash_func_t)NULL, 0,
+ (cups_acopy_func_t)strdup,
+ (cups_afree_func_t)free);
- if (fds[0] >= 0)
- {
- close(fds[0]);
- fds[0] = -1;
- }
-
- if (fds[1] >= 0)
- {
- close(fds[1]);
- fds[1] = -1;
- }
+ return (cupsArrayAdd(*a, (char *)s));
}
/*
- * 'cupsdOpenPipe()' - Create a pipe which is closed on exec.
+ * 'cupsdCheckProcess()' - Tell the main loop to check for dead children.
*/
-int /* O - 0 on success, -1 on error */
-cupsdOpenPipe(int *fds) /* O - Pipe file descriptors (2) */
+void
+cupsdCheckProcess(void)
{
/*
- * Create the pipe...
+ * Flag that we have dead children...
*/
- if (pipe(fds))
- {
- fds[0] = -1;
- fds[1] = -1;
-
- return (-1);
- }
-
- /*
- * Set the "close on exec" flag on each end of the pipe...
- */
-
- if (fcntl(fds[0], F_SETFD, fcntl(fds[0], F_GETFD) | FD_CLOEXEC))
- {
- close(fds[0]);
- close(fds[1]);
+ dead_children = 1;
+}
- fds[0] = -1;
- fds[1] = -1;
- return (-1);
- }
+/*
+ * 'cupsdClearString()' - Clear a string.
+ */
- if (fcntl(fds[1], F_SETFD, fcntl(fds[1], F_GETFD) | FD_CLOEXEC))
+void
+cupsdClearString(char **s) /* O - String value */
+{
+ if (s && *s)
{
- close(fds[0]);
- close(fds[1]);
-
- fds[0] = -1;
- fds[1] = -1;
-
- return (-1);
+ free(*s);
+ *s = NULL;
}
-
- /*
- * Return 0 indicating success...
- */
-
- return (0);
}
/*
- * 'cupsdClearString()' - Clear a string.
+ * 'cupsdFreeStrings()' - Free an array of strings.
*/
void
-cupsdClearString(char **s) /* O - String value */
+cupsdFreeStrings(cups_array_t **a) /* IO - String array */
{
- if (s && *s)
+ if (*a)
{
- _cupsStrFree(*s);
- *s = NULL;
+ cupsArrayDelete(*a);
+ *a = NULL;
}
}
return;
if (*s)
- _cupsStrFree(*s);
+ free(*s);
if (v)
- *s = _cupsStrAlloc(v);
+ *s = strdup(v);
else
*s = NULL;
}
const char *f, /* I - Printf-style format string */
...) /* I - Additional args as needed */
{
- char v[4096]; /* Formatting string value */
+ char v[65536 + 64]; /* Formatting string value */
va_list ap; /* Argument pointer */
char *olds; /* Old string */
vsnprintf(v, sizeof(v), f, ap);
va_end(ap);
- *s = _cupsStrAlloc(v);
+ *s = strdup(v);
}
else
*s = NULL;
if (olds)
- _cupsStrFree(olds);
-}
-
-
-#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 */
- launch_data_t ld_msg, /* Launch data message */
- ld_resp, /* Launch data response */
- ld_array, /* Launch data array */
- ld_sockets, /* Launch data sockets dictionary */
- tmp; /* Launch data */
- cupsd_listener_t *lis; /* Listeners array */
- http_addr_t addr; /* Address variable */
- socklen_t addrlen; /* Length of address */
- int fd; /* File descriptor */
- char s[256]; /* String addresss */
-
-
- cupsdLogMessage(CUPSD_LOG_DEBUG, "launchd_checkin: pid=%d", (int)getpid());
-
- /*
- * Check-in with launchd...
- */
-
- ld_msg = launch_data_new_string(LAUNCH_KEY_CHECKIN);
- if ((ld_resp = launch_msg(ld_msg)) == NULL)
- {
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "launchd_checkin: launch_msg(\"" LAUNCH_KEY_CHECKIN
- "\") IPC failure");
- exit(EXIT_FAILURE);
- }
-
- if (launch_data_get_type(ld_resp) == LAUNCH_DATA_ERRNO)
- {
- errno = launch_data_get_errno(ld_resp);
- cupsdLogMessage(CUPSD_LOG_ERROR, "launchd_checkin: Check-in failed: %s",
- strerror(errno));
- exit(EXIT_FAILURE);
- }
-
- /*
- * Get the sockets dictionary...
- */
-
- if (!(ld_sockets = launch_data_dict_lookup(ld_resp, LAUNCH_JOBKEY_SOCKETS)))
- {
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "launchd_checkin: No sockets found to answer requests on!");
- exit(EXIT_FAILURE);
- }
-
- /*
- * Get the array of listener sockets...
- */
-
- if (!(ld_array = launch_data_dict_lookup(ld_sockets, "Listeners")))
- {
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "launchd_checkin: No sockets found to answer requests on!");
- exit(EXIT_FAILURE);
- }
-
- /*
- * Add listening fd(s) to the Listener array...
- */
-
- if (launch_data_get_type(ld_array) == LAUNCH_DATA_ARRAY)
- {
- count = launch_data_array_get_count(ld_array);
-
- for (i = 0; i < count; i ++)
- {
- /*
- * 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))
- {
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "launchd_checkin: Unable to get local address - %s",
- strerror(errno));
- continue;
- }
-
- /*
- * Try to match the launchd socket address to one of the listeners...
- */
-
- for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners);
- lis;
- lis = (cupsd_listener_t *)cupsArrayNext(Listeners))
- if (httpAddrEqual(&lis->address, &addr))
- break;
-
- /*
- * Add a new listener If there's no match...
- */
-
- 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);
-
- 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);
- }
-
- cupsArrayAdd(Listeners, lis);
-
- memcpy(&lis->address, &addr, sizeof(lis->address));
- }
-
- lis->fd = fd;
-
-# ifdef HAVE_SSL
- portnum = 0;
-
-# ifdef AF_INET6
- 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 (portnum == 443)
- lis->encryption = HTTP_ENCRYPT_ALWAYS;
-# endif /* HAVE_SSL */
- }
- }
-
- launch_data_free(ld_msg);
- launch_data_free(ld_resp);
-}
-
-
-/*
- * 'launchd_checkout()' - Update the launchd KeepAlive file as needed.
- */
-
-static void
-launchd_checkout(void)
-{
- int fd; /* File descriptor */
-
-
- /*
- * Create or remove the launchd KeepAlive file based on whether
- * there are active jobs, polling, browsing for remote printers or
- * shared printers to advertise...
- */
-
- if ((cupsArrayCount(ActiveJobs) || NumPolled ||
- (Browsing &&
- (BrowseRemoteProtocols ||
- (BrowseLocalProtocols && NumBrowsers && cupsArrayCount(Printers))))))
- {
- cupsdLogMessage(CUPSD_LOG_DEBUG,
- "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 "\"...");
-
- unlink(CUPS_KEEPALIVE);
- }
+ free(olds);
}
-#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 */
+ const char *type; /* Type of program */
cupsdLogMessage(CUPSD_LOG_DEBUG2, "process_children()");
#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);
+ else
+ job = NULL;
+
+ if (job)
+ {
+ 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;
+ type = "Filter";
+ }
+ else
+ {
+ job->backend = -pid;
+ type = "Backend";
+ }
- if (job->filters[i] || job->backend == pid)
+ if (status && status != SIGTERM && status != SIGKILL &&
+ status != SIGPIPE)
{
/*
- * 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.
+ *
+ * In order to preserve the most serious status, we always log
+ * when a process dies due to a signal (e.g. SIGABRT, SIGSEGV,
+ * and SIGBUS) and prefer to log the backend exit status over a
+ * filter's.
*/
- if (job->filters[i])
- job->filters[i] = -pid;
- else
- job->backend = -pid;
+ int old_status = abs(job->status);
+
+ if (WIFSIGNALED(status) || /* This process crashed, or */
+ !job->status || /* No process had a status, or */
+ (!job->filters[i] && WIFEXITED(old_status)))
+ { /* Backend and filter didn't crash */
+ if (job->filters[i])
+ job->status = status; /* Filter failed */
+ else
+ job->status = -status; /* Backend failed */
+ }
- if (status && job->status >= 0)
+ if (job->state_value == IPP_JOB_PROCESSING &&
+ job->status_level > CUPSD_LOG_ERROR &&
+ (job->filters[i] || !WIFEXITED(status)))
{
- /*
- * 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 */
- if (job->printer && !(job->printer->type & CUPS_PRINTER_FAX))
+ job->status_level = CUPSD_LOG_ERROR;
+
+ snprintf(message, sizeof(message), "%s failed", type);
+
+ 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 (!job->attrs)
+ cupsdLoadJob(job);
+
+ if (!job->printer_message && job->attrs)
+ {
+ 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)
+ ippSetString(job->attrs, &job->printer_message, 0, 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->state_value >= IPP_JOB_CANCELED)
+ {
/*
- * 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.
+ * Remove the job from the active list if there are no processes still
+ * running for it...
*/
- if (job->current_file < job->num_files)
- {
- for (i = 0; job->filters[i] < 0; i ++);
+ for (i = 0; job->filters[i] < 0; i++);
- if (!job->filters[i])
- {
- /*
- * Process the next file...
- */
+ if (!job->filters[i] && job->backend <= 0)
+ cupsArrayRemove(ActiveJobs, job);
+ }
+ else if (job->current_file < job->num_files && job->printer)
+ {
+ for (i = 0; job->filters[i] < 0; i ++);
- cupsdFinishJob(job);
- }
+ if (!job->filters[i] &&
+ (!job->printer->pc || !job->printer->pc->single_file ||
+ job->backend <= 0))
+ {
+ /*
+ * Process the next file...
+ */
+
+ cupsdContinueJob(job);
}
- break;
}
}
- }
-}
-
-
-/*
- * 'sigchld_handler()' - Handle 'child' signals from old processes.
- */
+ }
-static void
-sigchld_handler(int sig) /* I - Signal number */
-{
- (void)sig;
+ /*
+ * Show the exit status as needed, ignoring SIGTERM and SIGKILL errors
+ * since they come when we kill/end a process...
+ */
- /*
- * Flag that we have dead children...
- */
+ if (status == SIGTERM || status == SIGKILL)
+ {
+ cupsdLogJob(job, CUPSD_LOG_DEBUG,
+ "PID %d (%s) was terminated normally with signal %d.", pid,
+ name, status);
+ }
+ else if (status == SIGPIPE)
+ {
+ cupsdLogJob(job, CUPSD_LOG_DEBUG,
+ "PID %d (%s) did not catch or ignore signal %d.", pid, name,
+ status);
+ }
+ else if (status)
+ {
+ if (WIFEXITED(status))
+ {
+ int code = WEXITSTATUS(status); /* Exit code */
+
+ if (code > 100)
+ cupsdLogJob(job, CUPSD_LOG_DEBUG,
+ "PID %d (%s) stopped with status %d (%s)", pid, name,
+ code, strerror(code - 100));
+ else
+ cupsdLogJob(job, CUPSD_LOG_DEBUG,
+ "PID %d (%s) stopped with status %d.", pid, name, code);
+ }
+ else
+ cupsdLogJob(job, CUPSD_LOG_DEBUG, "PID %d (%s) crashed on signal %d.",
+ pid, name, WTERMSIG(status));
- dead_children = 1;
+ if (LogLevel < CUPSD_LOG_DEBUG)
+ cupsdLogJob(job, CUPSD_LOG_INFO,
+ "Hint: Try setting the LogLevel to \"debug\" to find out "
+ "more.");
+ }
+ else
+ cupsdLogJob(job, CUPSD_LOG_DEBUG, "PID %d (%s) exited with no errors.",
+ pid, name);
+ }
/*
- * Reset the signal handler as needed...
+ * If wait*() is interrupted by a signal, tell main() to call us again...
*/
-#if !defined(HAVE_SIGSET) && !defined(HAVE_SIGACTION)
- signal(SIGCLD, sigchld_handler);
-#endif /* !HAVE_SIGSET && !HAVE_SIGACTION */
+ if (pid < 0 && errno == EINTR)
+ dead_children = 1;
}
/*
- * 'sighup_handler()' - Handle 'hangup' signals to reconfigure the scheduler.
+ * 'select_timeout()' - Calculate the select timeout value.
+ *
*/
-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 */
-{
- (void)sig; /* remove compiler warnings... */
-
- /*
- * Flag that we should stop and return...
- */
-
- stop_scheduler = 1;
-}
-
-
-/*
- * 'select_timeout()' - Calculate the select timeout value.
- *
- */
-
-static long /* O - Number of seconds */
-select_timeout(int fds) /* I - Number of descriptors returned */
+static long /* O - Number of seconds */
+select_timeout(int fds) /* I - Number of descriptors returned */
{
long timeout; /* Timeout for select */
time_t now; /* Current time */
cupsd_client_t *con; /* Client information */
- cupsd_printer_t *p; /* Printer information */
cupsd_job_t *job; /* Job information */
- cupsd_subscription_t *sub; /* Subscription information */
const char *why; /* Debugging aid */
+ cupsdLogMessage(CUPSD_LOG_DEBUG2, "select_timeout: JobHistoryUpdate=%ld",
+ (long)JobHistoryUpdate);
+
/*
* Check to see if any of the clients have pending data to be
* processed; if so, the timeout should be 0...
for (con = (cupsd_client_t *)cupsArrayFirst(Clients);
con;
con = (cupsd_client_t *)cupsArrayNext(Clients))
- if (con->http.used > 0)
+ if (httpGetReady(con->http))
return (0);
/*
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...
*/
for (con = (cupsd_client_t *)cupsArrayFirst(Clients);
con;
con = (cupsd_client_t *)cupsArrayNext(Clients))
- if ((con->http.activity + Timeout) < timeout)
+ if ((httpGetActivity(con->http) + Timeout) < timeout)
{
- timeout = con->http.activity + Timeout;
+ timeout = httpGetActivity(con->http) + Timeout;
why = "timeout a client connection";
}
/*
- * Update the browse list as needed...
+ * Write out changes to configuration and state files...
+ */
+
+ if (DirtyCleanTime && timeout > DirtyCleanTime)
+ {
+ timeout = DirtyCleanTime;
+ why = "write dirty config/state files";
+ }
+
+ /*
+ * Check for any job activity...
*/
- if (Browsing && BrowseLocalProtocols)
+ if (JobHistoryUpdate && timeout > JobHistoryUpdate)
+ {
+ timeout = JobHistoryUpdate;
+ why = "update job history";
+ }
+
+ for (job = (cupsd_job_t *)cupsArrayFirst(ActiveJobs);
+ job;
+ job = (cupsd_job_t *)cupsArrayNext(ActiveJobs))
{
-#ifdef HAVE_LIBSLP
- if ((BrowseLocalProtocols & BROWSE_SLP) && (BrowseSLPRefresh < timeout))
+ if (job->cancel_time && job->cancel_time < timeout)
{
- timeout = BrowseSLPRefresh;
- why = "update SLP browsing";
+ timeout = job->cancel_time;
+ why = "cancel stuck jobs";
}
-#endif /* HAVE_LIBSLP */
-#ifdef HAVE_LDAP
- if ((BrowseLocalProtocols & BROWSE_LDAP) && (BrowseLDAPRefresh < timeout))
+ if (job->kill_time && job->kill_time < timeout)
{
- timeout = BrowseLDAPRefresh;
- why = "update LDAP browsing";
+ timeout = job->kill_time;
+ why = "kill unresponsive jobs";
}
-#endif /* HAVE_LDAP */
- if ((BrowseLocalProtocols & BROWSE_CUPS) && NumBrowsers)
+ if (job->state_value == IPP_JOB_HELD && job->hold_until < timeout)
{
- for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
- p;
- p = (cupsd_printer_t *)cupsArrayNext(Printers))
- {
- if (p->type & CUPS_PRINTER_REMOTE)
- {
- if ((p->browse_time + BrowseTimeout) < timeout)
- {
- timeout = p->browse_time + BrowseTimeout;
- why = "browse timeout a printer";
- }
- }
- else if (p->shared && !(p->type & CUPS_PRINTER_IMPLICIT))
- {
- if (BrowseInterval && (p->browse_time + BrowseInterval) < timeout)
- {
- timeout = p->browse_time + BrowseInterval;
- why = "send browse update";
- }
- }
- }
+ timeout = job->hold_until;
+ why = "release held jobs";
}
- }
-
- /*
- * Check for any active jobs...
- */
- if (timeout > (now + 10) && 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->state_value == IPP_JOB_PENDING && timeout > (now + 10))
+ {
+ timeout = now + 10;
+ why = "start pending jobs";
+ break;
+ }
}
#ifdef HAVE_MALLINFO
#endif /* HAVE_MALLINFO */
/*
- * Expire subscriptions as needed...
- */
-
- for (sub = (cupsd_subscription_t *)cupsArrayFirst(Subscriptions);
- sub;
- sub = (cupsd_subscription_t *)cupsArrayNext(Subscriptions))
- if (!sub->job && sub->expire && sub->expire < timeout)
- {
- timeout = sub->expire;
- why = "expire subscription";
- }
-
- /*
- * Adjust from absolute to relative time. If p->browse_time above
- * was 0 then we can end up with a negative value here, so check.
- * We add 1 second to the timeout since events occur after the
- * timeout expires, and limit the timeout to 86400 seconds (1 day)
- * to avoid select() timeout limits present on some operating
+ * Adjust from absolute to relative time. We add 1 second to the timeout since
+ * events occur after the timeout expires, and limit the timeout to 86400
+ * seconds (1 day) to avoid select() timeout limits present on some operating
* systems...
*/
/*
- * 'usage()' - Show scheduler usage.
+ * 'sigchld_handler()' - Handle 'child' signals from old processes.
*/
static void
-usage(int status) /* O - Exit status */
+sigchld_handler(int sig) /* I - Signal number */
{
- _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"));
- exit(status);
+ (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;
+}
+
+
+#if defined(HAVE_ONDEMAND)
+
+/*
+ * 'add_ondemand_listener()' - Bind an open fd as a Listener.
+ */
+
+static void
+add_ondemand_listener(int fd, /* I - Socket file descriptor */
+ int idx) /* I - Listener number, for logging */
+{
+ cupsd_listener_t *lis; /* Listeners array */
+ http_addr_t addr; /* Address variable */
+ socklen_t addrlen; /* Length of address */
+ char s[256]; /* String addresss */
+
+ addrlen = sizeof(addr);
+
+ if (getsockname(fd, (struct sockaddr *)&addr, &addrlen))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "service_checkin: Unable to get local address for listener #%d: %s",
+ idx + 1, strerror(errno));
+ return;
+ }
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "service_checkin: Listener #%d at fd %d, \"%s\".",
+ idx + 1, fd, httpAddrString(&addr, s, sizeof(s)));
+
+ /*
+ * Try to match the on-demand socket address to one of the listeners...
+ */
+
+ for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners);
+ lis;
+ lis = (cupsd_listener_t *)cupsArrayNext(Listeners))
+ if (httpAddrEqual(&lis->address, &addr))
+ break;
+
+ /*
+ * Add a new listener If there's no match...
+ */
+
+ if (lis)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "service_checkin: Matched existing listener #%d to %s.",
+ idx + 1, httpAddrString(&(lis->address), s, sizeof(s)));
+ }
+ else
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "service_checkin: Adding new listener #%d for %s.",
+ idx + 1, httpAddrString(&addr, s, sizeof(s)));
+
+ if ((lis = calloc(1, sizeof(cupsd_listener_t))) == NULL)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to allocate listener: %s.", strerror(errno));
+ exit(EXIT_FAILURE);
+ return;
+ }
+
+ cupsArrayAdd(Listeners, lis);
+
+ memcpy(&lis->address, &addr, sizeof(lis->address));
+ }
+
+ lis->fd = fd;
+ lis->on_demand = 1;
+
+# ifdef HAVE_SSL
+ if (httpAddrPort(&(lis->address)) == 443)
+ lis->encryption = HTTP_ENCRYPT_ALWAYS;
+# endif /* HAVE_SSL */
+}
+
+/*
+ * 'service_checkin()' - Check-in with launchd and collect the listening fds.
+ */
+
+static void
+service_checkin(void)
+{
+# ifdef HAVE_LAUNCH_ACTIVATE_SOCKET
+ int error; /* Check-in error, if any */
+ size_t i, /* Looping var */
+ count; /* Number of listeners */
+ int *ld_sockets; /* Listener sockets */
+
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: pid=%d", (int)getpid());
+
+ /*
+ * Check-in with launchd...
+ */
+
+ if ((error = launch_activate_socket("Listeners", &ld_sockets, &count)) != 0)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to get listener sockets: %s", strerror(error));
+ exit(EXIT_FAILURE);
+ return; /* anti-compiler-warning */
+ }
+
+ /*
+ * Try to match the launchd sockets to the cupsd listeners...
+ */
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: %d listeners.", (int)count);
+
+ for (i = 0; i < count; i ++)
+ {
+ add_ondemand_listener(ld_sockets[i], i);
+ }
+
+ free(ld_sockets);
+
+# elif defined(HAVE_LAUNCHD)
+ size_t i, /* Looping var */
+ count; /* Number of listeners */
+ launch_data_t ld_msg, /* Launch data message */
+ ld_resp, /* Launch data response */
+ ld_array, /* Launch data array */
+ ld_sockets, /* Launch data sockets dictionary */
+ tmp; /* Launch data */
+ int fd; /* File descriptor */
+
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: pid=%d", (int)getpid());
+
+ /*
+ * Check-in with launchd...
+ */
+
+ ld_msg = launch_data_new_string(LAUNCH_KEY_CHECKIN);
+ if ((ld_resp = launch_msg(ld_msg)) == NULL)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "service_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)
+ {
+ errno = launch_data_get_errno(ld_resp);
+ cupsdLogMessage(CUPSD_LOG_ERROR, "service_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))
+ == NULL)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "service_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")) == NULL)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "service_checkin: No sockets found to answer requests on.");
+ exit(EXIT_FAILURE);
+ return; /* anti-compiler-warning */
+ }
+
+ /*
+ * Add listening fd(s) to the Listener array...
+ */
+
+ if (launch_data_get_type(ld_array) == LAUNCH_DATA_ARRAY)
+ {
+ count = launch_data_array_get_count(ld_array);
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: %d listeners.", (int)count);
+
+ for (i = 0; i < count; i ++)
+ {
+ /*
+ * Get the launchd file descriptor and address...
+ */
+
+ if ((tmp = launch_data_array_get_index(ld_array, i)) != NULL)
+ {
+ fd = launch_data_get_fd(tmp);
+ add_ondemand_listener(fd, i);
+ }
+ }
+ }
+
+ launch_data_free(ld_msg);
+ launch_data_free(ld_resp);
+
+# else /* HAVE_SYSTEMD */
+ int i, /* Looping var */
+ count; /* Number of listeners */
+
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: pid=%d", (int)getpid());
+
+ /*
+ * Check-in with systemd...
+ */
+
+ if ((count = sd_listen_fds(0)) < 0)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to get listener sockets: %s", strerror(-count));
+ exit(EXIT_FAILURE);
+ return; /* anti-compiler-warning */
+ }
+
+ /*
+ * Try to match the systemd sockets to the cupsd listeners...
+ */
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: %d listeners.", count);
+
+ for (i = 0; i < count; i ++)
+ {
+ add_ondemand_listener(SD_LISTEN_FDS_START + i, i);
+ }
+# endif /* HAVE_LAUNCH_ACTIVATE_SOCKET */
+}
+
+
+/*
+ * 'service_checkout()' - Update the CUPS_KEEPALIVE file as needed.
+ */
+
+static void
+service_checkout(void)
+{
+ int fd; /* File descriptor */
+
+
+ /*
+ * Create or remove the "keep-alive" file based on whether there are active
+ * jobs or shared printers to advertise...
+ */
+
+ if (cupsArrayCount(ActiveJobs) || /* Active jobs */
+ WebInterface || /* Web interface enabled */
+ (Browsing && BrowseLocalProtocols && cupsArrayCount(Printers)))
+ /* Printers being shared */
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Creating keep-alive 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 keep-alive file \"" CUPS_KEEPALIVE "\".");
+
+ unlink(CUPS_KEEPALIVE);
+ }
}
+#endif /* HAVE_ONDEMAND */
/*
- * End of "$Id: main.c 6564 2007-06-18 23:40:38Z mike $".
+ * 'usage()' - Show scheduler usage.
*/
+
+static void
+usage(int status) /* O - Exit status */
+{
+ FILE *fp = status ? stderr : stdout; /* Output file */
+
+
+ _cupsLangPuts(fp, _("Usage: cupsd [options]"));
+ _cupsLangPuts(fp, _("Options:"));
+ _cupsLangPuts(fp, _(" -c cupsd.conf Set cupsd.conf file to use."));
+ _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 on demand."));
+ _cupsLangPuts(fp, _(" -s cups-files.conf Set cups-files.conf file to use."));
+ _cupsLangPuts(fp, _(" -t Test the configuration file."));
+
+ exit(status);
+}
projects / thirdparty / cups.git / blobdiff