/*
- * "$Id: main.c 7925 2008-09-10 17:47:26Z mike $"
+ * "$Id: main.c 11722 2014-03-21 18:28:30Z msweet $"
*
- * Main loop for the CUPS scheduler.
+ * Main loop for the CUPS scheduler.
*
- * Copyright 2007-2012 by Apple Inc.
- * Copyright 1997-2007 by Easy Software Products, all rights reserved.
+ * Copyright 2007-2014 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/".
- *
- * Contents:
- *
- * 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.
- * cupsdFreeStrings() - Free an array of strings.
- * 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() - 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.
+ * 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/".
*/
/*
# 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 */
+# 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 */
+#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);
+#if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD)
+static void service_checkin(void);
+static void service_checkout(void);
+#endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */
static void usage(int status) __attribute__((noreturn));
#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 */
int run_as_child = 0;
/* Needed for background fork/exec */
#ifdef __APPLE__
#else
time_t netif_time = 0; /* Time since last network update */
#endif /* __APPLE__ */
-#if HAVE_LAUNCHD
- int launchd_idle_exit;
+#if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD)
+ int service_idle_exit;
/* Idle exit on select timeout? */
-#endif /* HAVE_LAUNCHD */
+#endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */
#ifdef HAVE_GETEUID
#ifdef HAVE_LAUNCHD
if (getenv("CUPSD_LAUNCHD"))
{
- Launchd = 1;
- fg = 1;
+ OnDemand = 1;
+ fg = 1;
}
#endif /* HAVE_LAUNCHD */
char *current; /* Current directory */
-
/*
* Allocate a buffer for the current working directory to
* reduce run-time stack usage; this approximates the
usage(0);
break;
- case 'l' : /* Started by launchd... */
-#ifdef HAVE_LAUNCHD
- Launchd = 1;
- fg = 1;
+ case 'l' : /* Started by launchd/systemd... */
+#if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD)
+ OnDemand = 1;
+ fg = 1;
#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 */
+#endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */
break;
case 'p' : /* Stop immediately for profiling */
break;
case 'P' : /* Disable security profiles */
- fputs("cupsd: -P (disable security profiles) is for internal "
- "testing use only!\n", stderr);
- UseProfiles = 0;
+ 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__
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 the user hasn't specified "-f", run in the background...
*/
}
}
-#ifdef __OpenBSD__
+#if defined(__OpenBSD__) && OpenBSD < 201211
/*
* 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.
+ * limitation of userland libpthread on older versions of OpenBSD.
*/
_thread_sys_closefrom(0);
-#endif /* __OpenBSD__ */
+#endif /* __OpenBSD__ && OpenBSD < 201211 */
/*
* Since CoreFoundation and DBUS both create fork-unsafe data on execution of
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())
- {
- if (TestConfigFile)
- printf("%s contains errors\n", ConfigurationFile);
- else
- syslog(LOG_LPR, "Unable to read configuration file \'%s\' - exiting!",
- ConfigurationFile);
return (1);
- }
else if (TestConfigFile)
{
- printf("%s is OK\n", ConfigurationFile);
+ printf("\"%s\" is OK.\n", CupsFilesFile);
+ printf("\"%s\" is OK.\n", ConfigurationFile);
return (0);
}
cupsdCleanFiles(CacheDir, "*.ipp");
-#if HAVE_LAUNCHD
- if (Launchd)
+#if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD)
+ if (OnDemand)
{
/*
- * 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();
+ service_checkin();
+ service_checkout();
}
-#endif /* HAVE_LAUNCHD */
+#endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */
/*
* Startup the server...
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...
*/
* Send server-started event...
*/
-#ifdef HAVE_LAUNCHD
- if (Launchd)
- cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL,
- "Scheduler started via launchd.");
+#if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD)
+ if (OnDemand)
+ cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL, "Scheduler started on demand.");
else
-#endif /* HAVE_LAUNCHD */
+#endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */
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.");
/*
* Start any pending print jobs...
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();
}
break;
}
-#if HAVE_LAUNCHD
- if (Launchd)
+#if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD)
+ if (OnDemand)
{
/*
- * If we were started by launchd, get the listen socket file
+ * If we were started by launchd or systemd, get the listen socket file
* descriptors...
*/
- launchd_checkin();
- launchd_checkout();
+ service_checkin();
+ service_checkout();
}
-#endif /* HAVE_LAUNCHD */
+#endif /* HAVE_LAUNCHD || HAVE_SYSTEMD */
/*
* Startup the server...
if ((timeout = select_timeout(fds)) > 1 && LastEvent)
timeout = 1;
-#if HAVE_LAUNCHD
+#if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD)
/*
* 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 &&
+ if (timeout == 86400 && OnDemand && IdleExitTimeout &&
!cupsArrayCount(ActiveJobs) &&
(!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_LAUNCHD || HAVE_SYSTEMD */
if ((fds = cupsdDoSelect(timeout)) < 0)
{
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;
}
#endif /* !__APPLE__ */
-#if HAVE_LAUNCHD
+#if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD)
/*
* 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_LAUNCHD || HAVE_SYSTEMD */
/*
* Resume listening for new connections as needed...
*/
cupsdDeleteCert(0);
- cupsdAddCert(0, "root", NULL);
+ cupsdAddCert(0, "root", cupsdDefaultAuthType());
}
#endif /* !HAVE_AUTHORIZATION_H */
* 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;
cupsdStopServer();
-#ifdef HAVE_LAUNCHD
+#if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD)
/*
- * 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_LAUNCHD || HAVE_SYSTEMD */
/*
* Stop all jobs...
cupsdStopSystemMonitor();
#endif /* __APPLE__ */
-#ifdef HAVE_GSSAPI
- /*
- * Free the scheduler's Kerberos context...
- */
-
-# 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__ */
- if (KerberosContext)
- krb5_free_context(KerberosContext);
-#endif /* HAVE_GSSAPI */
-
-#ifdef __sgi
- /*
- * 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...
- */
-
- if (!stat("/var/spool/lp/FIFO", &statbuf))
- if (!S_ISFIFO(statbuf.st_mode))
- unlink("/var/spool/lp/SCHEDLOCK");
-#endif /* __sgi */
-
cupsdStopSelect();
return (!stop_scheduler);
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 */
}
-#ifdef HAVE_LAUNCHD
-/*
- * 'launchd_checkin()' - Check-in with launchd and collect the listening fds.
- */
-
-static void
-launchd_checkin(void)
-{
- 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 */
-
-
- 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);
- 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 */
- }
-
- /*
- * Get the sockets dictionary...
- */
-
- 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")) == 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...
*/
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);
/*
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";
}
}
+#if defined(HAVE_LAUNCHD) || defined(HAVE_SYSTEMD)
+/*
+ * '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 */
+ cupsd_listener_t *lis; /* Listeners array */
+ http_addr_t addr; /* Address variable */
+ socklen_t addrlen; /* Length of address */
+ char s[256]; /* String addresss */
+
+
+ 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 ++)
+ {
+ /*
+ * Get the launchd socket address...
+ */
+
+ addrlen = sizeof(addr);
+
+ if (getsockname(ld_sockets[i], (struct sockaddr *)&addr, &addrlen))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to get local address for listener #%d: %s", (int)i + 1, strerror(errno));
+ continue;
+ }
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Listener #%d at fd %d, \"%s\".", (int)i + 1, ld_sockets[i], httpAddrString(&addr, s, sizeof(s)));
+
+ 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.", (int)i + 1, httpAddrString(&(lis->address), s, sizeof(s)));
+ }
+ else
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Adding new listener #%d for %s.", (int)i + 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);
+ }
+
+ cupsArrayAdd(Listeners, lis);
+
+ memcpy(&lis->address, &addr, sizeof(lis->address));
+ }
+
+ lis->fd = ld_sockets[i];
+ lis->on_demand = 1;
+
+# ifdef HAVE_SSL
+ if (httpAddrPort(&(lis->address)) == 443)
+ lis->encryption = HTTP_ENCRYPT_ALWAYS;
+# endif /* HAVE_SSL */
+ }
+
+# 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 */
+ 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, "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);
+ 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", (int)i + 1, strerror(errno));
+ continue;
+ }
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Listener #%d at fd %d, \"%s\".", (int)i + 1, fd, httpAddrString(&addr, s, sizeof(s)));
+
+ /*
+ * 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, "service_checkin: Matched existing listener #%d to %s.", (int)i + 1, httpAddrString(&(lis->address), s, sizeof(s)));
+ }
+ else
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Adding new listener #%d for %s.", (int)i + 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);
+ }
+
+ 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 */
+ }
+ }
+ }
+
+ launch_data_free(ld_msg);
+ launch_data_free(ld_resp);
+
+# else /* HAVE_SYSTEMD */
+ int i, /* Looping var */
+ count; /* Number of listeners */
+ cupsd_listener_t *lis; /* Listeners array */
+ http_addr_t addr; /* Address variable */
+ socklen_t addrlen; /* Length of address */
+ char s[256]; /* String addresss */
+
+
+ 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 ++)
+ {
+ /*
+ * Get the launchd socket address...
+ */
+
+ addrlen = sizeof(addr);
+
+ if (getsockname(SD_LISTEN_FDS_START + i, (struct sockaddr *)&addr, &addrlen))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "service_checkin: Unable to get local address for listener #%d: %s", (int)i + 1, strerror(errno));
+ continue;
+ }
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Listener #%d at fd %d, \"%s\".", (int)i + 1, SD_LISTEN_FDS_START + i, httpAddrString(&addr, s, sizeof(s)));
+
+ 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.", (int)i + 1, httpAddrString(&(lis->address), s, sizeof(s)));
+ }
+ else
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "service_checkin: Adding new listener #%d for %s.", (int)i + 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);
+ }
+
+ cupsArrayAdd(Listeners, lis);
+
+ memcpy(&lis->address, &addr, sizeof(lis->address));
+ }
+
+ lis->fd = SD_LISTEN_FDS_START + i;
+ lis->on_demand = 1;
+
+# ifdef HAVE_SSL
+ if (httpAddrPort(&(lis->address)) == 443)
+ lis->encryption = HTTP_ENCRYPT_ALWAYS;
+# endif /* HAVE_SSL */
+ }
+# 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 systemd path file based on whether there are active
+ * jobs or shared printers to advertise...
+ */
+
+ if (cupsArrayCount(ActiveJobs) ||
+ (Browsing && BrowseLocalProtocols && cupsArrayCount(Printers)))
+ {
+ 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_LAUNCHD || HAVE_SYSTEMD */
+
+
/*
* 'usage()' - Show scheduler usage.
*/
_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, _(" -l Run cupsd on demand."));
_cupsLangPuts(fp, _(" -t Test the configuration "
"file."));
/*
- * End of "$Id: main.c 7925 2008-09-10 17:47:26Z mike $".
+ * End of "$Id: main.c 11722 2014-03-21 18:28:30Z msweet $".
*/
projects / thirdparty / cups.git / blobdiff