/*
- * "$Id$"
- *
* Main loop for the CUPS scheduler.
*
- * Copyright 2007-2014 by Apple Inc.
- * Copyright 1997-2007 by Easy Software Products, all rights reserved.
+ * Copyright © 2007-2019 by Apple Inc.
+ * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
*
- * 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/".
+ * Licensed under Apache License v2.0. See the file "LICENSE" for more
+ * information.
*/
/*
#define _MAIN_C_
#include "cupsd.h"
#include <sys/resource.h>
+#ifdef __APPLE__
+# include <xpc/xpc.h>
+# include <pthread/qos.h>
+#endif /* __APPLE__ */
+#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"
- /* 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 */
#endif /* HAVE_LAUNCH_H */
+#ifdef HAVE_SYSTEMD
+# include <systemd/sd-daemon.h>
+#endif /* HAVE_SYSTEMD */
+
+#ifdef HAVE_ONDEMAND
+# define CUPS_KEEPALIVE CUPS_CACHEDIR "/org.cups.cupsd"
+ /* Name of the KeepAlive file */
+#endif /* HAVE_ONDEMAND */
+
#if defined(HAVE_MALLOC_H) && defined(HAVE_MALLINFO)
# include <malloc.h>
#endif /* HAVE_MALLOC_H && HAVE_MALLINFO */
# include <notify.h>
#endif /* HAVE_NOTIFY_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) __attribute__((noreturn));
+static void service_checkin(void);
+static void service_checkout(int shutdown);
+static void usage(int status) _CUPS_NORETURN;
/*
/* Dead children? */
static int stop_scheduler = 0;
/* Should the scheduler stop? */
+static time_t local_timeout = 0;
+ /* Next local printer timeout */
/*
{
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 */
#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
struct sigaction action; /* Actions for POSIX signals */
#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
- int run_as_child = 0;
- /* Needed for background fork/exec */
#ifdef __APPLE__
- int use_sysman = !getuid();
- /* Use system management functions? */
+ int use_sysman = 1; /* Use system management functions? */
#else
time_t netif_time = 0; /* Time since last network update */
#endif /* __APPLE__ */
-#if HAVE_LAUNCHD
- int launchd_idle_exit;
+#if defined(HAVE_ONDEMAND)
+ int service_idle_exit = 0;
/* Idle exit on select timeout? */
-#endif /* HAVE_LAUNCHD */
+#endif /* HAVE_ONDEMAND */
#ifdef HAVE_GETEUID
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 */
fg = 0;
-#ifdef HAVE_LAUNCHD
- if (getenv("CUPSD_LAUNCHD"))
- {
- Launchd = 1;
- fg = 1;
- }
-#endif /* HAVE_LAUNCHD */
-
for (i = 1; i < argc; i ++)
- if (argv[i][0] == '-')
+ {
+ if (!strcmp(argv[i], "--help"))
+ usage(0);
+ else if (argv[i][0] == '-')
+ {
for (opt = argv[i] + 1; *opt != '\0'; opt ++)
+ {
switch (*opt)
{
case 'C' : /* Run as child with config file */
run_as_child = 1;
- fg = -1;
+ fg = 1;
+ close_all = 0;
case 'c' : /* Configuration file */
i ++;
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/upstart... */
+#ifdef HAVE_ONDEMAND
+ OnDemand = 1;
+ fg = 1;
+ close_all = 0;
+ disconnect = 0;
#else
- _cupsLangPuts(stderr, _("cupsd: launchd(8) support not compiled "
+ _cupsLangPuts(stderr, _("cupsd: On-demand support not compiled "
"in, running in normal mode."));
- fg = 0;
-#endif /* HAVE_LAUNCHD */
+ fg = 0;
+ disconnect = 1;
+ close_all = 1;
+#endif /* HAVE_ONDEMAND */
break;
case 'p' : /* Stop immediately for profiling */
"use only!\n", stderr);
stop_scheduler = 1;
fg = 1;
+ disconnect = 0;
+ close_all = 0;
break;
case 'P' : /* Disable security profiles */
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."), *opt);
usage(1);
break;
}
+ }
+ }
else
{
_cupsLangPrintf(stderr, _("cupsd: Unknown argument \"%s\" - aborting."),
argv[i]);
usage(1);
}
+ }
if (!ConfigurationFile)
cupsdSetString(&ConfigurationFile, CUPS_SERVERROOT "/cupsd.conf");
strlcpy(filename, ConfigurationFile, len);
if ((slash = strrchr(filename, '/')) == NULL)
{
+ free(filename);
_cupsLangPrintf(stderr,
_("cupsd: Unable to get path to "
"cups-files.conf file."));
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)
#endif /* __OpenBSD__ && OpenBSD < 201211 */
/*
- * 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...
+ * 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...
*/
- execlp(argv[0], argv[0], "-C", ConfigurationFile, (char *)0);
+ execlp(argv[0], argv[0], "-C", ConfigurationFile, "-s", CupsFilesFile, (char *)0);
exit(errno);
}
- 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);
-
- /*
- * Disconnect from the controlling terminal...
- */
-
- setsid();
-
- /*
- * Close all open files...
- */
-
- getrlimit(RLIMIT_NOFILE, &limit);
-
- for (i = 0; i < limit.rlim_cur && i < 1024; i ++)
- close(i);
-
- /*
- * Redirect stdin/out/err to /dev/null...
- */
-
- if ((i = open("/dev/null", O_RDONLY)) != 0)
- {
- dup2(i, 0);
- close(i);
- }
-
- if ((i = open("/dev/null", O_WRONLY)) != 1)
- {
- dup2(i, 1);
- close(i);
- }
+ /*
+ * Let the system know we are busy while we bring up cupsd...
+ */
- if ((i = open("/dev/null", O_WRONLY)) != 2)
- {
- dup2(i, 2);
- close(i);
- }
-#endif /* DEBUG */
- }
+ cupsdSetBusyState(1);
/*
* Set the timezone info...
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...
*/
printf("\"%s\" is OK.\n", ConfigurationFile);
return (0);
}
+ else if (print_profile)
+ {
+ 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);
+
+ return (0);
+ }
/*
* Clean out old temp files and printer cache data.
cupsdCleanFiles(CacheDir, "*.ipp");
-#if HAVE_LAUNCHD
- if (Launchd)
- {
- /*
- * If we were started by launchd get the listen sockets file descriptors...
- */
+ /*
+ * If we were started on demand by launchd or systemd get the listen sockets
+ * file descriptors...
+ */
- launchd_checkin();
- launchd_checkout();
- }
-#endif /* HAVE_LAUNCHD */
+ service_checkin();
+ service_checkout(0);
/*
* Startup the server...
* Send server-started event...
*/
-#ifdef HAVE_LAUNCHD
- if (Launchd)
- cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL,
- "Scheduler started via launchd.");
+#ifdef HAVE_ONDEMAND
+ if (OnDemand)
+ cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL, "Scheduler started on demand.");
else
-#endif /* HAVE_LAUNCHD */
+#endif /* HAVE_ONDEMAND */
if (fg)
- cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL,
- "Scheduler started in foreground.");
+ cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL, "Scheduler started in foreground.");
else
- cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL,
- "Scheduler started in background.");
+ cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL, "Scheduler started in background.");
+
+ cupsdSetBusyState(0);
/*
* Start any pending print jobs...
current_time = time(NULL);
event_time = current_time;
expire_time = current_time;
+ local_timeout = 0;
fds = 1;
report_time = 0;
senddoc_time = current_time;
* Shutdown the server...
*/
+#ifdef HAVE_ONDEMAND
+ if (OnDemand)
+ {
+# ifndef HAVE_SYSTEMD /* Issue #5640: systemd doesn't actually support launch-on-demand services, need to fake it */
+ stop_scheduler = 1;
+# endif /* HAVE_SYSTEMD */
+ break;
+ }
+#endif /* HAVE_ONDEMAND */
+
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 socket file
- * descriptors...
- */
+#ifdef 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_SYSTEMD_SD_JOURNAL_H */
- launchd_checkin();
- launchd_checkout();
+ break;
}
-#endif /* HAVE_LAUNCHD */
/*
* Startup the server...
if ((timeout = select_timeout(fds)) > 1 && LastEvent)
timeout = 1;
-#if HAVE_LAUNCHD
+#ifdef HAVE_ONDEMAND
/*
- * If no other work is scheduled and we're being controlled by
- * launchd then timeout after 'LaunchdTimeout' seconds of
+ * If no other work is scheduled and we're being controlled by launchd,
+ * systemd, etc. then timeout after 'IdleExitTimeout' seconds of
* inactivity...
*/
- if (timeout == 86400 && Launchd && LaunchdTimeout &&
- !cupsArrayCount(ActiveJobs) &&
- (!Browsing || !BrowseLocalProtocols || !cupsArrayCount(Printers)))
+ if (timeout == 86400 && OnDemand && IdleExitTimeout &&
+# ifdef HAVE_SYSTEMD
+ !WebInterface &&
+# endif /* HAVE_SYSTEMD */
+ !cupsArrayCount(ActiveJobs))
{
- timeout = LaunchdTimeout;
- launchd_idle_exit = 1;
+ cupsd_printer_t *p = NULL; /* Current printer */
+
+ if (Browsing && BrowseLocalProtocols)
+ {
+ for (p = (cupsd_printer_t *)cupsArrayFirst(Printers); p; p = (cupsd_printer_t *)cupsArrayNext(Printers))
+ if (p->shared)
+ break;
+ }
+
+ if (!p)
+ {
+ 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)
{
cupsd_printer_t *p; /* Current printer */
#endif /* HAVE_DNSSD || HAVE_AVAHI */
-
if (errno == EINTR) /* Just interrupted by a signal */
continue;
}
#endif /* !__APPLE__ */
-#if HAVE_LAUNCHD
+#ifdef HAVE_ONDEMAND
/*
- * If no other work was scheduled and we're being controlled by launchd
- * then timeout after 'LaunchdTimeout' seconds of inactivity...
+ * If no other work was scheduled and we're being controlled by launchd,
+ * systemd, or upstart 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 (current_time > expire_time)
{
- if (cupsArrayCount(Subscriptions) > 0)
- cupsdExpireSubscriptions(NULL, NULL);
+ cupsdExpireSubscriptions(NULL, NULL);
cupsdUnloadCompletedJobs();
expire_time = current_time;
}
+ /*
+ * Delete stale local printers...
+ */
+
+ if (current_time >= local_timeout)
+ {
+ cupsdDeleteTemporaryPrinters(0);
+ local_timeout = 0;
+ }
+
#ifndef HAVE_AUTHORIZATION_H
/*
* Update the root certificate once every 5 minutes if we have client
}
#endif /* !HAVE_AUTHORIZATION_H */
+ /*
+ * Clean job history...
+ */
+
+ if (JobHistoryUpdate && current_time >= JobHistoryUpdate)
+ cupsdCleanJobs();
+
+ /*
+ * Update any pending multi-file documents...
+ */
+
+ if ((current_time - senddoc_time) >= 10)
+ {
+ cupsdCheckJobs();
+ senddoc_time = current_time;
+ }
+
/*
* Check for new data on the client sockets...
*/
* Process pending data in the input buffer...
*/
- // TODO: Use httpGetReady()
- if (con->http->used)
+ if (httpGetReady(con->http))
{
cupsdReadClient(con);
continue;
* Check the activity and close old clients...
*/
- // TODO: Use httpGetActivity()
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->number, Timeout);
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Closing client %d after %d seconds of inactivity.", con->number, Timeout);
cupsdCloseClient(con);
continue;
}
}
- /*
- * Update any pending multi-file documents...
- */
-
- if ((current_time - senddoc_time) >= 10)
- {
- cupsdCheckJobs();
- senddoc_time = current_time;
- }
-
- /*
- * Clean job history...
- */
-
- if (JobHistoryUpdate && current_time >= JobHistoryUpdate)
- cupsdCleanJobs();
-
/*
* Log statistics at most once a minute when in debug mode...
*/
cupsdStopServer();
-#ifdef HAVE_LAUNCHD
/*
- * Update the launchd KeepAlive file as needed...
+ * Update the KeepAlive/PID file as needed...
*/
- if (Launchd)
- launchd_checkout();
-#endif /* HAVE_LAUNCHD */
+ service_checkout(1);
/*
* Stop all jobs...
cupsdFreeAllJobs();
+ /*
+ * Delete all temporary printers...
+ */
+
+ cupsdDeleteTemporaryPrinters(1);
+
#ifdef __APPLE__
/*
* Stop monitoring system event monitoring...
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);
+ (cups_acopy_func_t)strdup,
+ (cups_afree_func_t)free);
return (cupsArrayAdd(*a, (char *)s));
}
{
if (s && *s)
{
- _cupsStrFree(*s);
+ free(*s);
*s = NULL;
}
}
return;
if (*s)
- _cupsStrFree(*s);
+ free(*s);
if (v)
- *s = _cupsStrAlloc(v);
+ *s = strdup(v);
else
*s = NULL;
}
vsnprintf(v, sizeof(v), f, ap);
va_end(ap);
- *s = _cupsStrAlloc(v);
+ *s = strdup(v);
}
else
*s = NULL;
if (olds)
- _cupsStrFree(olds);
+ free(olds);
}
-#ifdef HAVE_LAUNCHD
/*
- * 'launchd_checkin()' - Check-in with launchd and collect the listening fds.
+ * 'parent_handler()' - Catch USR1/CHLD signals...
*/
static void
-launchd_checkin(void)
+parent_handler(int sig) /* I - Signal */
{
- 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 */
- 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 */
+ /*
+ * Store the signal we got from the OS and return...
+ */
+
+ parent_signal = sig;
+}
- cupsdLogMessage(CUPSD_LOG_DEBUG, "launchd_checkin: pid=%d", (int)getpid());
+/*
+ * 'process_children()' - Process all dead children...
+ */
- /*
- * Check-in with launchd...
- */
+static void
+process_children(void)
+{
+ int status; /* Exit status 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 */
- 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);
- 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, "launchd_checkin: Check-in failed: %s",
- strerror(errno));
- exit(EXIT_FAILURE);
- return; /* anti-compiler-warning */
- }
+ cupsdLogMessage(CUPSD_LOG_DEBUG2, "process_children()");
/*
- * Get the sockets dictionary...
+ * Reset the dead_children flag...
*/
- 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 */
- }
+ dead_children = 0;
/*
- * Get the array of listener sockets...
- */
-
- 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 */
- }
-
- /*
- * 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...
- */
-
- if ((tmp = launch_data_array_get_index(ld_array, i)) != NULL)
- {
- 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
- if (httpAddrPort(&(lis->address)) == 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) ||
- (Browsing && BrowseLocalProtocols && 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);
- }
-}
-#endif /* HAVE_LAUNCHD */
-
-
-/*
- * 'parent_handler()' - Catch USR1/CHLD signals...
- */
-
-static void
-parent_handler(int sig) /* I - Signal */
-{
- /*
- * Store the signal we got from the OS and return...
- */
-
- parent_signal = sig;
-}
-
-
-/*
- * 'process_children()' - Process all dead children...
- */
-
-static void
-process_children(void)
-{
- int status; /* Exit status 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()");
-
- /*
- * Reset the dead_children flag...
- */
-
- dead_children = 0;
-
- /*
- * Collect the exit status of some children...
+ * Collect the exit status of some children...
*/
#ifdef HAVE_WAITPID
(!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 (job->current_file < job->num_files)
+ cupsdSetJobState(job, IPP_JOB_ABORTED, CUPSD_JOB_FORCE, "Canceling multi-file job due to backend failure.");
+ }
}
if (job->state_value == IPP_JOB_PROCESSING &&
}
if (job->printer_message)
- cupsdSetString(&(job->printer_message->values[0].string.text),
- message);
+ ippSetString(job->attrs, &job->printer_message, 0, message);
}
}
* filters are done, and if so move to the next file.
*/
- if (job->current_file < job->num_files && job->printer)
+ 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);
+ }
+ else if (job->current_file < job->num_files && job->printer)
{
for (i = 0; job->filters[i] < 0; i ++);
cupsdContinueJob(job);
}
}
- else if (job->state_value >= IPP_JOB_CANCELED)
- {
- /*
- * Remove the job from the active list if there are no processes still
- * running for it...
- */
-
- for (i = 0; job->filters[i] < 0; i++);
-
- if (!job->filters[i] && job->backend <= 0)
- cupsArrayRemove(ActiveJobs, job);
- }
}
}
time_t now; /* Current time */
cupsd_client_t *con; /* Client information */
cupsd_job_t *job; /* Job information */
- cupsd_subscription_t *sub; /* Subscription information */
const char *why; /* Debugging aid */
* processed; if so, the timeout should be 0...
*/
- // TODO: Use httpGetReady()
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);
/*
#ifdef __APPLE__
/*
- * When going to sleep, wake up to cancel jobs that don't complete in time.
+ * When going to sleep, wake up to abort jobs that don't complete in time.
*/
if (SleepJobs > 0 && SleepJobs < timeout)
{
timeout = SleepJobs;
- why = "cancel jobs before sleeping";
+ why = "abort jobs before sleeping";
}
#endif /* __APPLE__ */
* Check the activity and close old clients...
*/
- // TODO: Use httpGetActivity()
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";
}
* Check for any job activity...
*/
- 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_MALLINFO
- /*
- * Log memory usage every minute...
- */
-
- if (LogLevel >= CUPSD_LOG_DEBUG && (mallinfo_time + 60) < timeout)
- {
- timeout = mallinfo_time + 60;
- why = "display memory usage";
- }
-#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. We add 1 second to the timeout since
* events occur after the timeout expires, and limit the timeout to 86400
}
+#ifdef HAVE_ONDEMAND
+/*
+ * 'service_add_listener()' - Bind an open fd as a Listener.
+ */
+
+static void
+service_add_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_add_listener: Unable to get local address for listener #%d: %s", idx + 1, strerror(errno));
+ return;
+ }
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "service_add_listener: 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_add_listener: Matched existing listener #%d to %s.", idx + 1, httpAddrString(&(lis->address), s, sizeof(s)));
+ }
+ else
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "service_add_listener: 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_add_listener: 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 */
+}
+#endif /* HAVE_ONDEMAND */
+
+
+/*
+ * 'service_checkin()' - Check-in with launchd and collect the listening fds.
+ */
+
+static void
+service_checkin(void)
+{
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: pid=%d", (int)getpid());
+
+#ifdef HAVE_LAUNCHD
+ if (OnDemand)
+ {
+ int error; /* Check-in error, if any */
+ size_t i, /* Looping var */
+ count; /* Number of listeners */
+ int *ld_sockets; /* Listener sockets */
+
+# ifdef __APPLE__
+ /*
+ * Force "user initiated" priority for the main thread...
+ */
+
+ pthread_set_qos_class_self_np(QOS_CLASS_USER_INITIATED, 0);
+# endif /* __APPLE__ */
+
+ /*
+ * 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 ++)
+ service_add_listener(ld_sockets[i], (int)i);
+
+ free(ld_sockets);
+
+# ifdef __APPLE__
+ xpc_transaction_begin();
+# endif /* __APPLE__ */
+ }
+
+#elif defined(HAVE_SYSTEMD)
+ if (OnDemand)
+ {
+ int i, /* Looping var */
+ count; /* Number of listeners */
+
+ /*
+ * 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 ++)
+ service_add_listener(SD_LISTEN_FDS_START + i, i);
+ }
+
+#elif defined(HAVE_UPSTART)
+ if (OnDemand)
+ {
+ const char *e; /* Environment var */
+ int fd; /* File descriptor */
+
+
+ if (!(e = getenv("UPSTART_EVENTS")))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: We did not get started via Upstart.");
+ exit(EXIT_FAILURE);
+ return;
+ }
+
+ if (strcasecmp(e, "socket"))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: We did not get triggered via an Upstart socket event.");
+ exit(EXIT_FAILURE);
+ return;
+ }
+
+ if ((e = getenv("UPSTART_FDS")) == NULL)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to get listener sockets from UPSTART_FDS.");
+ exit(EXIT_FAILURE);
+ return;
+ }
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: UPSTART_FDS=%s", e);
+
+ fd = (int)strtol(e, NULL, 10);
+ if (fd < 0)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Could not parse UPSTART_FDS: %s", strerror(errno));
+ exit(EXIT_FAILURE);
+ return;
+ }
+
+ /*
+ * Upstart only supportst a single on-demand socket file descriptor...
+ */
+
+ service_add_listener(fd, 0);
+ }
+#endif /* HAVE_LAUNCHD */
+}
+
+
+/*
+ * 'service_checkout()' - Update the KeepAlive/PID file as needed.
+ */
+
+static void
+service_checkout(int shutdown) /* I - Shutting down? */
+{
+ cups_file_t *fp; /* File */
+ char pidfile[1024]; /* PID/KeepAlive file */
+
+
+ /*
+ * When running on-demand, use the KeepAlive file, otherwise write a PID file
+ * to StateDir...
+ */
+
+#ifdef HAVE_ONDEMAND
+ if (OnDemand)
+ {
+ int shared_printers = 0; /* Do we have shared printers? */
+
+ strlcpy(pidfile, CUPS_KEEPALIVE, sizeof(pidfile));
+
+ /*
+ * If printer sharing is on see if there are any actual shared printers...
+ */
+
+ if (Browsing && BrowseLocalProtocols)
+ {
+ cupsd_printer_t *p = NULL; /* Current printer */
+
+ for (p = (cupsd_printer_t *)cupsArrayFirst(Printers); p; p = (cupsd_printer_t *)cupsArrayNext(Printers))
+ {
+ if (p->shared)
+ break;
+ }
+
+ shared_printers = (p != NULL);
+ }
+
+ if (cupsArrayCount(ActiveJobs) || /* Active jobs */
+ WebInterface || /* Web interface enabled */
+ NeedReload || /* Doing a reload */
+ shared_printers) /* Printers being shared */
+ {
+ /*
+ * Create or remove the "keep-alive" file based on whether there are active
+ * jobs or shared printers to advertise...
+ */
+
+ shutdown = 0;
+ }
+ }
+ else
+#endif /* HAVE_ONDEMAND */
+ snprintf(pidfile, sizeof(pidfile), "%s/cupsd.pid", StateDir);
+
+ if (shutdown)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Removing KeepAlive/PID file \"%s\".", pidfile);
+
+ unlink(pidfile);
+ }
+ else
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Creating KeepAlive/PID file \"%s\".", pidfile);
+
+ if ((fp = cupsFileOpen(pidfile, "w")) != NULL)
+ {
+ /*
+ * Save the PID in the file...
+ */
+
+ cupsFilePrintf(fp, "%d\n", (int)getpid());
+ cupsFileClose(fp);
+ }
+ else
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to create KeepAlive/PID file \"%s\": %s", pidfile, strerror(errno));
+ }
+
+# ifdef __APPLE__
+ if (OnDemand && shutdown)
+ xpc_transaction_end();
+# endif /* __APPLE__ */
+}
+
+
/*
* 'usage()' - Show scheduler usage.
*/
_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 from launchd(8)."));
- _cupsLangPuts(fp, _(" -t Test the configuration "
- "file."));
+ _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."));
+#ifdef HAVE_ONDEMAND
+ _cupsLangPuts(fp, _("-l Run cupsd on demand."));
+#endif /* HAVE_ONDEMAND */
+ _cupsLangPuts(fp, _("-s cups-files.conf Set cups-files.conf file to use."));
+ _cupsLangPuts(fp, _("-t Test the configuration file."));
exit(status);
}
-
-
-/*
- * End of "$Id$".
- */
projects / thirdparty / cups.git / blobdiff