void
cupsdStartSystemMonitor(void)
{
int flags; /* fcntl flags on pipe */
if (cupsdOpenPipe(SysEventPipes))
{
cupsdLogMessage(CUPSD_LOG_ERROR, "System event monitor pipe() failed - %s!",
strerror(errno));
return;
}
cupsdAddSelect(SysEventPipes[0], (cupsd_selfunc_t)sysUpdate, NULL, NULL);
/*
* Set non-blocking mode on the descriptor we will be receiving notification
* events on.
*/
flags = fcntl(SysEventPipes[0], F_GETFL, 0);
fcntl(SysEventPipes[0], F_SETFL, flags | O_NONBLOCK);
/*
* Start the thread that runs the runloop...
*/
pthread_mutex_init(&SysEventThreadMutex, NULL);
pthread_cond_init(&SysEventThreadCond, NULL);
pthread_create(&SysEventThread, NULL, (void *(*)())sysEventThreadEntry, NULL);
}
void
cupsdStartServer(void)
{
/*
* Start color management (as needed)...
*/
cupsdStartColor();
/*
* Create the default security profile...
*/
DefaultProfile = cupsdCreateProfile(0, 1);
/*
* Startup all the networking stuff...
*/
cupsdStartListening();
cupsdStartBrowsing();
/*
* Create a pipe for CGI processes...
*/
if (cupsdOpenPipe(CGIPipes))
cupsdLogMessage(CUPSD_LOG_ERROR,
"cupsdStartServer: Unable to create pipes for CGI status!");
else
{
CGIStatusBuffer = cupsdStatBufNew(CGIPipes[0], "[CGI]");
cupsdAddSelect(CGIPipes[0], (cupsd_selfunc_t)cupsdUpdateCGI, NULL, NULL);
}
/*
* Mark that the server has started and printers and jobs may be changed...
*/
LastEvent = CUPSD_EVENT_PRINTER_CHANGED | CUPSD_EVENT_JOB_STATE_CHANGED |
CUPSD_EVENT_SERVER_STARTED;
started = 1;
cupsdSetBusyState();
}
void
cupsdResumeListening(void)
{
cupsd_listener_t *lis; /* Current listening socket */
if (cupsArrayCount(Listeners) < 1)
return;
cupsdLogMessage(CUPSD_LOG_INFO, "Resuming new connection processing...");
cupsdLogMessage(CUPSD_LOG_DEBUG2,
"cupsdResumeListening: Setting input bits...");
for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners);
lis;
lis = (cupsd_listener_t *)cupsArrayNext(Listeners))
cupsdAddSelect(lis->fd, (cupsd_selfunc_t)cupsdAcceptClient, NULL, lis);
ListeningPaused = 0;
}
void
cupsdStartSystemMonitor(void)
{
int flags; /* fcntl flags on pipe */
cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdStartSystemMonitor()");
if (cupsdOpenPipe(SysEventPipes))
{
cupsdLogMessage(CUPSD_LOG_ERROR, "System event monitor pipe() failed - %s!",
strerror(errno));
return;
}
cupsdAddSelect(SysEventPipes[0], (cupsd_selfunc_t)sysUpdate, NULL, NULL);
/*
* Set non-blocking mode on the descriptor we will be receiving notification
* events on.
*/
flags = fcntl(SysEventPipes[0], F_GETFL, 0);
fcntl(SysEventPipes[0], F_SETFL, flags | O_NONBLOCK);
/*
* Start the thread that runs the runloop...
*/
pthread_mutex_init(&SysEventThreadMutex, NULL);
pthread_cond_init(&SysEventThreadCond, NULL);
pthread_create(&SysEventThread, NULL, (void *(*)())sysEventThreadEntry, NULL);
/*
* Monitor for power source changes via dispatch queue...
*/
cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdStartSystemMonitor: IOPSGetTimeRemainingEstimate=%f", IOPSGetTimeRemainingEstimate());
ACPower = IOPSGetTimeRemainingEstimate() == kIOPSTimeRemainingUnlimited;
notify_register_dispatch(kIOPSNotifyPowerSource, &PSToken, dispatch_get_main_queue(), ^(int t) { (void)t;
ACPower = IOPSGetTimeRemainingEstimate() == kIOPSTimeRemainingUnlimited; });
void
cupsdStartBrowsing(void)
{
if (!Browsing || !BrowseLocalProtocols)
return;
#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
if (BrowseLocalProtocols & BROWSE_DNSSD)
{
# ifdef HAVE_DNSSD
DNSServiceErrorType error; /* Error from service creation */
/*
* First create a "master" connection for all registrations...
*/
if ((error = DNSServiceCreateConnection(&DNSSDMaster))
!= kDNSServiceErr_NoError)
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unable to create master DNS-SD reference: %d", error);
if (FatalErrors & CUPSD_FATAL_BROWSE)
cupsdEndProcess(getpid(), 0);
}
else
{
/*
* Add the master connection to the select list...
*/
int fd = DNSServiceRefSockFD(DNSSDMaster);
fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC);
cupsdAddSelect(fd, (cupsd_selfunc_t)dnssdUpdate, NULL, NULL);
}
/*
* Set the computer name and register the web interface...
*/
DNSSDPort = 0;
cupsdUpdateDNSSDName();
# else /* HAVE_AVAHI */
if ((DNSSDMaster = avahi_threaded_poll_new()) == NULL)
{
cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to create DNS-SD thread.");
if (FatalErrors & CUPSD_FATAL_BROWSE)
cupsdEndProcess(getpid(), 0);
}
else
{
int error; /* Error code, if any */
DNSSDClient = avahi_client_new(avahi_threaded_poll_get(DNSSDMaster), AVAHI_CLIENT_NO_FAIL, dnssdClientCallback, NULL, &error);
if (DNSSDClient == NULL)
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unable to communicate with avahi-daemon: %s",
dnssdErrorString(error));
if (FatalErrors & CUPSD_FATAL_BROWSE)
cupsdEndProcess(getpid(), 0);
avahi_threaded_poll_free(DNSSDMaster);
DNSSDMaster = NULL;
}
else
avahi_threaded_poll_start(DNSSDMaster);
}
# endif /* HAVE_DNSSD */
}
#endif /* HAVE_DNSSD || HAVE_AVAHI */
/*
* Enable LPD and SMB printer sharing as needed through external programs...
*/
if (BrowseLocalProtocols & BROWSE_LPD)
update_lpd(1);
if (BrowseLocalProtocols & BROWSE_SMB)
update_smb(1);
#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
/*
* Register the individual printers
*/
dnssdRegisterAllPrinters(0);
#endif /* HAVE_DNSSD || HAVE_AVAHI */
}
static void
cupsd_start_notifier(
cupsd_subscription_t *sub) /* I - Subscription object */
{
int pid; /* Notifier process ID */
int fds[2]; /* Pipe file descriptors */
char *argv[4], /* Command-line arguments */
*envp[MAX_ENV], /* Environment variables */
user_data[128], /* Base-64 encoded user data */
scheme[256], /* notify-recipient-uri scheme */
*ptr, /* Pointer into scheme */
command[1024]; /* Notifier command */
/*
* Extract the scheme name from the recipient URI and point to the
* notifier program...
*/
strlcpy(scheme, sub->recipient, sizeof(scheme));
if ((ptr = strchr(scheme, ':')) != NULL)
*ptr = '\0';
snprintf(command, sizeof(command), "%s/notifier/%s", ServerBin, scheme);
/*
* Base-64 encode the user data...
*/
httpEncode64_2(user_data, sizeof(user_data), (char *)sub->user_data,
sub->user_data_len);
/*
* Setup the argument array...
*/
argv[0] = command;
argv[1] = sub->recipient;
argv[2] = user_data;
argv[3] = NULL;
/*
* Setup the environment...
*/
cupsdLoadEnv(envp, (int)(sizeof(envp) / sizeof(envp[0])));
/*
* Create pipes as needed...
*/
if (!NotifierStatusBuffer)
{
/*
* Create the status pipe...
*/
if (cupsdOpenPipe(NotifierPipes))
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unable to create pipes for notifier status - %s",
strerror(errno));
return;
}
NotifierStatusBuffer = cupsdStatBufNew(NotifierPipes[0], "[Notifier]");
cupsdAddSelect(NotifierPipes[0], (cupsd_selfunc_t)cupsd_update_notifier,
NULL, NULL);
}
if (cupsdOpenPipe(fds))
{
cupsdLogMessage(CUPSD_LOG_ERROR,
"Unable to create pipes for notifier %s - %s",
scheme, strerror(errno));
return;
}
/*
* Make sure the delivery pipe is non-blocking...
*/
fcntl(fds[1], F_SETFL, fcntl(fds[1], F_GETFL) | O_NONBLOCK);
/*
* Create the notifier process...
*/
if (cupsdStartProcess(command, argv, envp, fds[0], -1, NotifierPipes[1],
-1, -1, 0, DefaultProfile, NULL, &pid) < 0)
{
/*
* Error - can't fork!
*/
cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to fork for notifier %s - %s",
scheme, strerror(errno));
cupsdClosePipe(fds);
}
else
{
/*
* Fork successful - return the PID...
*/
cupsdLogMessage(CUPSD_LOG_DEBUG, "Notifier %s started - PID = %d",
scheme, pid);
sub->pid = pid;
sub->pipe = fds[1];
sub->status = 0;
close(fds[0]);
}
}
void
cupsdStartServer(void)
{
#ifdef HAVE_LIBSSL
int i; /* Looping var */
struct timeval curtime; /* Current time in microseconds */
unsigned char data[1024]; /* Seed data */
#endif /* HAVE_LIBSSL */
#ifdef HAVE_LIBSSL
/*
* Initialize the encryption libraries...
*/
printf("[server.c::cupsdStartServer()] initializing the SSL encryption libraries\n");
SSL_library_init();
SSL_load_error_strings();
/*
* Using the current time is a dubious random seed, but on some systems
* it is the best we can do (on others, this seed isn't even used...)
*/
gettimeofday(&curtime, NULL);
srand(curtime.tv_sec + curtime.tv_usec);
for (i = 0; i < sizeof(data); i ++)
data[i] = rand(); /* Yes, this is a poor source of random data... */
RAND_seed(&data, sizeof(data));
printf("[server.c::cupsdStartServer()] seeding a lot of crap \n");
#elif defined(HAVE_GNUTLS)
/*
* Initialize the encryption libraries...
*/
printf("[server.c::cupsdStartServer()] initializing the gnutils libraries \n");
gnutls_global_init();
#endif /* HAVE_LIBSSL */
/*
* Startup all the networking stuff...
*/
cupsdStartListening();
cupsdStartBrowsing();
cupsdStartPolling();
/*
* Create a pipe for CGI processes...
*/
if (cupsdOpenPipe(CGIPipes))
cupsdLogMessage(CUPSD_LOG_ERROR,
"cupsdStartServer: Unable to create pipes for CGI status!");
else
{
CGIStatusBuffer = cupsdStatBufNew(CGIPipes[0], "[CGI]");
printf("[server.c::cupsdStartServer()] created a pipe for cgi processes, adding to polling engine \n");
cupsdAddSelect(CGIPipes[0], (cupsd_selfunc_t)cupsdUpdateCGI, NULL, NULL);
}
/*
* Mark that the server has started and printers and jobs may be changed...
*/
LastEvent = CUPSD_EVENT_PRINTER_CHANGED | CUPSD_EVENT_JOB_STATE_CHANGED |
CUPSD_EVENT_SERVER_STARTED;
started = 1;
printf("[server.c::cupsdStartServer()] done \n");
}
