/*
- * "$Id: main.c 7681 2008-06-20 21:06:02Z 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 2007-2008 by Apple Inc.
+ * 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
*
* 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.
+ * 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 <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 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.
senddoc_time, /* Send-Document time */
expire_time, /* Subscription expire time */
report_time, /* Malloc/client/job report time */
- event_time; /* Last time an event notification was done */
+ 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 */
-#ifdef __APPLE__
int run_as_child = 0;
- /* Needed for Mac OS X fork/exec */
+ /* 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 (getuid() != geteuid())
{
- fputs("cupsd: Cannot run as a setuid program!\n", stderr);
+ fputs("cupsd: Cannot run as a setuid program\n", stderr);
return (1);
}
#endif /* HAVE_GETEUID */
for (opt = argv[i] + 1; *opt != '\0'; opt ++)
switch (*opt)
{
-#ifdef __APPLE__
case 'C' : /* Run as child with config file */
run_as_child = 1;
fg = -1;
-#endif /* __APPLE__ */
case 'c' : /* Configuration file */
i ++;
if (i >= argc)
{
_cupsLangPuts(stderr, _("cupsd: Expected config filename "
- "after \"-c\" option!\n"));
+ "after \"-c\" option."));
usage(1);
}
if ((current = malloc(1024)) == NULL)
{
_cupsLangPuts(stderr,
- _("cupsd: Unable to get current directory!\n"));
+ _("cupsd: Unable to get current directory."));
return (1);
}
if (!getcwd(current, 1024))
{
_cupsLangPuts(stderr,
- _("cupsd: Unable to get current directory!\n"));
+ _("cupsd: Unable to get current directory."));
free(current);
return (1);
}
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;
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 __APPLE__
+#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 has an overly-agressive check for whether a
- * process has forked but not exec'd (whether CF has been called or
- * not...), we now have to exec ourselves with the "-f" option to
- * eliminate their bogus warning messages.
+ * 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);
-#endif /* __APPLE__ */
}
if (fg < 1)
* Redirect stdin/out/err to /dev/null...
*/
- open("/dev/null", O_RDONLY);
- open("/dev/null", O_WRONLY);
- open("/dev/null", O_WRONLY);
+ 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 */
}
return (0);
}
- if (!strncmp(TempDir, RequestRoot, strlen(RequestRoot)))
- {
- /*
- * Clean out the temporary directory...
- */
-
- cups_dir_t *dir; /* Temporary directory */
- cups_dentry_t *dent; /* Directory entry */
- char tempfile[1024]; /* Temporary filename */
-
-
- if ((dir = cupsDirOpen(TempDir)) != NULL)
- {
- cupsdLogMessage(CUPSD_LOG_INFO,
- "Cleaning out old temporary files in \"%s\"...", TempDir);
-
- while ((dent = cupsDirRead(dir)) != NULL)
- {
- snprintf(tempfile, sizeof(tempfile), "%s/%s", TempDir, dent->filename);
+ /*
+ * Clean out old temp files and printer cache data.
+ */
- if (unlink(tempfile))
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "Unable to remove temporary file \"%s\" - %s",
- tempfile, strerror(errno));
- else
- cupsdLogMessage(CUPSD_LOG_DEBUG, "Removed temporary file \"%s\"...",
- tempfile);
- }
+ if (!strncmp(TempDir, RequestRoot, strlen(RequestRoot)))
+ cupsd_clean_files(TempDir, NULL);
- cupsDirClose(dir);
- }
- else
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "Unable to open temporary directory \"%s\" - %s",
- TempDir, strerror(errno));
- }
+ cupsd_clean_files(CacheDir, "*.ipp");
#if HAVE_LAUNCHD
if (Launchd)
*/
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 */
-
-#ifdef HAVE_GSSAPI
-# ifdef __APPLE__
- /*
- * If the weak-linked GSSAPI/Kerberos library is not present, don't try
- * to use it...
- */
-
- if (krb5_init_context != NULL)
-# endif /* __APPLE__ */
-
- /*
- * Setup a Kerberos context for the scheduler to use...
- */
-
- if (krb5_init_context(&KerberosContext))
- {
- KerberosContext = NULL;
-
- cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to initialize Kerberos context");
- }
-#endif /* HAVE_GSSAPI */
-
/*
* Startup the server...
*/
+ httpInitialize();
+
cupsdStartServer();
/*
* we are up and running...
*/
-#ifdef __APPLE__
if (!fg || run_as_child)
-#else
- if (!fg)
-#endif /* __APPLE__ */
{
/*
* 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...
*/
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 (Launchd)
{
/*
- * If we were started by launchd get the listen sockets file descriptors...
+ * 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.");
}
}
if (timeout == 86400 && Launchd && LaunchdTimeout && !NumPolled &&
!cupsArrayCount(ActiveJobs) &&
- (!Browsing ||
- (!BrowseRemoteProtocols &&
- (!NumBrowsers || !BrowseLocalProtocols ||
- cupsArrayCount(Printers) == 0))))
+ (!Browsing ||
+ (!BrowseRemoteProtocols &&
+ (!BrowseLocalProtocols || !cupsArrayCount(Printers)))))
{
timeout = LaunchdTimeout;
launchd_idle_exit = 1;
*/
if (DirtyCleanTime && current_time >= DirtyCleanTime)
- {
cupsdCleanDirty();
- cupsdSetBusyState();
+
+#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__
/*
#endif /* HAVE_LDAP */
}
- if (Browsing && BrowseLocalProtocols && current_time > browse_time)
+ if (Browsing && current_time > browse_time)
{
cupsdSendBrowseList();
browse_time = current_time;
if ((current_time - senddoc_time) >= 10)
{
cupsdCheckJobs();
+ cupsdCleanJobs();
senddoc_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...
*/
+ DoingShutdown = 1;
+
cupsdStopServer();
#ifdef HAVE_LAUNCHD
* Stop monitoring system event monitoring...
*/
- cupsdStopSystemMonitor();
+ if (use_sysman)
+ cupsdStopSystemMonitor();
#endif /* __APPLE__ */
#ifdef HAVE_GSSAPI
krb5_free_context(KerberosContext);
#endif /* HAVE_GSSAPI */
-#ifdef __APPLE__
-#ifdef HAVE_DLFCN_H
- /*
- * Unload Print Service quota enforcement library (X Server only)
- */
-
- PSQUpdateQuotaProc = NULL;
- if (PSQLibRef)
- {
- dlclose(PSQLibRef);
- PSQLibRef = NULL;
- }
-#endif /* HAVE_DLFCN_H */
-#endif /* __APPLE__ */
-
#ifdef __sgi
/*
* Remove the fake IRIX lpsched lock file, but only if the existing
}
+/*
+ * '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.
*/
}
+/*
+ * '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 */
+ }
}
}
/*
* 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);
}
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));
+ 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_HELD && (job->filters[0] || job->backend))
+ 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 */
+
+
+ job->status_level = CUPSD_LOG_ERROR;
- if (job->filters[i])
- job->status = status; /* Filter failed */
- else
- job->status = -status; /* Backend failed */
+ snprintf(message, sizeof(message), "%s failed", name);
- if (job->printer && !(job->printer->type & CUPS_PRINTER_FAX) &&
- job->status_level > CUPSD_LOG_ERROR)
+ if (job->printer)
{
- job->status_level = CUPSD_LOG_ERROR;
+ strlcpy(job->printer->state_message, message,
+ sizeof(job->printer->state_message));
+ }
+
+ if (!job->attrs)
+ cupsdLoadJob(job);
- snprintf(job->printer->state_message,
- sizeof(job->printer->state_message), "%s failed", name);
- cupsdAddPrinterHistory(job->printer);
+ 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)
+ cupsdSetString(&(job->printer_message->values[0].string.text),
+ 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 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)
- {
- for (i = 0; job->filters[i] < 0; i ++);
+ if (job->current_file < job->num_files && job->printer)
+ {
+ for (i = 0; job->filters[i] < 0; i ++);
- if (!job->filters[i])
- {
- /*
- * Process the next file...
- */
+ if (!job->filters[i] &&
+ (!job->printer->pc || !job->printer->pc->single_file ||
+ job->backend <= 0))
+ {
+ /*
+ * Process the next file...
+ */
- cupsdFinishJob(job);
- }
+ cupsdContinueJob(job);
}
- break;
+ }
+ else if (job->state_value >= IPP_JOB_CANCELED)
+ {
+ /*
+ * Remove the job from the active list if there are no processes still
+ * running for it...
+ */
+
+ for (i = 0; job->filters[i] < 0; i++);
+
+ if (!job->filters[i] && job->backend <= 0)
+ cupsArrayRemove(ActiveJobs, job);
}
}
+ }
/*
- * Show the exit status as needed...
+ * Show the exit status as needed, ignoring SIGTERM and SIGKILL errors
+ * since they come when we kill/end a process...
*/
- if (status == SIGTERM)
- status = 0;
-
- if (status)
+ 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!",
cupsdLogMessage(CUPSD_LOG_DEBUG, "PID %d (%s) exited with no errors.",
pid, name);
}
-}
-
-
-/*
- * '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...
+ * If wait*() is interrupted by a signal, tell main() to call us again...
*/
- 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 (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...
*/
}
/*
- * Check for any active jobs...
+ * Write out changes to configuration and state files...
*/
if (DirtyCleanTime && timeout > DirtyCleanTime)
* 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 7681 2008-06-20 21:06:02Z mike $".
+ * End of "$Id: main.c 7925 2008-09-10 17:47:26Z mike $".
*/
projects / thirdparty / cups.git / blobdiff