/*
- * "$Id$"
+ * DNS-SD discovery backend for CUPS.
*
- * DNS-SD discovery backend for CUPS.
+ * Copyright 2008-2015 by Apple Inc.
*
- * Copyright 2008-2012 by Apple Inc.
+ * 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/".
*
- * 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/".
- *
- * This file is subject to the Apple OS-Developed Software exception.
- *
- * Contents:
- *
- * main() - Browse for printers.
- * browse_callback() - Browse devices.
- * browse_local_callback() - Browse local devices.
- * client_callback() - Avahi client callback function.
- * compare_devices() - Compare two devices.
- * exec_backend() - Execute the backend that corresponds to the
- * resolved service name.
- * device_type() - Get DNS-SD type enumeration from string.
- * get_device() - Create or update a device.
- * query_callback() - Process query data.
- * find_device() - Find a device from its name and domain.
- * sigterm_handler() - Handle termination signals.
- * unquote() - Unquote a name string.
+ * This file is subject to the Apple OS-Developed Software exception.
*/
/*
*domain, /* Domain name */
*fullName, /* Full name */
*make_and_model, /* Make and model from TXT record */
- *device_id; /* 1284 device ID from TXT record */
+ *device_id, /* 1284 device ID from TXT record */
+ *uuid; /* UUID from TXT record */
cups_devtype_t type; /* Device registration type */
int priority, /* Priority associated with type */
cups_shared, /* CUPS shared printer? */
static AvahiSimplePoll *simple_poll = NULL;
/* Poll information */
static int got_data = 0; /* Got data from poll? */
+static int browsers = 0; /* Number of running browsers */
#endif /* HAVE_AVAHI */
#endif /* HAVE_AVAHI */
static int compare_devices(cups_device_t *a, cups_device_t *b);
-static void exec_backend(char **argv);
+static void exec_backend(char **argv) __attribute__((noreturn));
static cups_device_t *get_device(cups_array_t *devices,
const char *serviceName,
const char *regtype,
if ((simple_poll = avahi_simple_poll_new()) == NULL)
{
fputs("DEBUG: Unable to create Avahi simple poll object.\n", stderr);
- return (1);
+ return (0);
}
avahi_simple_poll_set_func(simple_poll, poll_callback, NULL);
if (!client)
{
fputs("DEBUG: Unable to create Avahi client.\n", stderr);
- return (1);
+ return (0);
}
+ browsers = 6;
avahi_service_browser_new(client, AVAHI_IF_UNSPEC,
AVAHI_PROTO_UNSPEC,
"_fax-ipp._tcp", NULL, 0,
{
unquote(uriName, best->fullName, sizeof(uriName));
- httpAssembleURI(HTTP_URI_CODING_ALL, device_uri, sizeof(device_uri),
- "dnssd", NULL, uriName, 0,
- best->cups_shared ? "/cups" : "/");
+ if (best->uuid)
+ httpAssembleURIf(HTTP_URI_CODING_ALL, device_uri,
+ sizeof(device_uri), "dnssd", NULL, uriName, 0,
+ best->cups_shared ? "/cups?uuid=%s" : "/?uuid=%s",
+ best->uuid);
+ else
+ httpAssembleURI(HTTP_URI_CODING_ALL, device_uri,
+ sizeof(device_uri), "dnssd", NULL, uriName, 0,
+ best->cups_shared ? "/cups" : "/");
cupsBackendReport("network", device_uri, best->make_and_model,
best->name, best->device_id, NULL);
{
unquote(uriName, best->fullName, sizeof(uriName));
- httpAssembleURI(HTTP_URI_CODING_ALL, device_uri, sizeof(device_uri),
- "dnssd", NULL, uriName, 0,
- best->cups_shared ? "/cups" : "/");
+ if (best->uuid)
+ httpAssembleURIf(HTTP_URI_CODING_ALL, device_uri,
+ sizeof(device_uri), "dnssd", NULL, uriName, 0,
+ best->cups_shared ? "/cups?uuid=%s" : "/?uuid=%s",
+ best->uuid);
+ else
+ httpAssembleURI(HTTP_URI_CODING_ALL, device_uri,
+ sizeof(device_uri), "dnssd", NULL, uriName, 0,
+ best->cups_shared ? "/cups" : "/");
cupsBackendReport("network", device_uri, best->make_and_model,
best->name, best->device_id, NULL);
fprintf(stderr, "DEBUG: sent=%d, count=%d\n", sent, count);
+#ifdef HAVE_AVAHI
+ if (sent == cupsArrayCount(devices) && browsers == 0)
+#else
if (sent == cupsArrayCount(devices))
+#endif /* HAVE_AVAHI */
break;
}
}
break;
case AVAHI_BROWSER_REMOVE:
- case AVAHI_BROWSER_ALL_FOR_NOW:
case AVAHI_BROWSER_CACHE_EXHAUSTED:
break;
+
+ case AVAHI_BROWSER_ALL_FOR_NOW:
+ browsers--;
+ break;
}
}
* 'device_type()' - Get DNS-SD type enumeration from string.
*/
-static int
-device_type(const char *regtype)
+static cups_devtype_t /* O - Device type */
+device_type(const char *regtype) /* I - Service registration type */
{
#ifdef HAVE_AVAHI
if (!strcmp(regtype, "_ipp._tcp"))
* Yes, add the device...
*/
- fprintf(stderr, "DEBUG: Found \"%s.%s%s\"...\n", serviceName, regtype,
- replyDomain);
-
device = calloc(sizeof(cups_device_t), 1);
device->name = strdup(serviceName);
device->domain = strdup(replyDomain);
#ifdef HAVE_DNSSD
DNSServiceConstructFullName(fullName, serviceName, regtype, replyDomain);
#else /* HAVE_AVAHI */
- avahi_service_name_join(fullName, kDNSServiceMaxDomainName,
- serviceName, regtype, replyDomain);
+ avahi_service_name_join(fullName, kDNSServiceMaxDomainName, serviceName, regtype, replyDomain);
#endif /* HAVE_DNSSD */
device->fullName = strdup(fullName);
"interfaceIndex=%d, errorCode=%d, fullName=\"%s\", "
"rrtype=%u, rrclass=%u, rdlen=%u, rdata=%p, ttl=%u, "
"context=%p)\n",
- sdRef, flags, interfaceIndex, errorCode,
- fullName ? fullName : "(null)", rrtype, rrclass, rdlen, rdata, ttl,
- context);
+ sdRef, flags, interfaceIndex, errorCode, fullName, rrtype, rrclass, rdlen, rdata, ttl, context);
/*
* Only process "add" data...
fprintf(stderr, "DEBUG2: query_callback(browser=%p, interfaceIndex=%d, "
"protocol=%d, event=%d, fullName=\"%s\", rrclass=%u, "
"rrtype=%u, rdata=%p, rdlen=%u, flags=%x, context=%p)\n",
- browser, interfaceIndex, protocol, event,
- fullName ? fullName : "(null)", rrclass, rrtype, rdata,
- (unsigned)rdlen, flags, context);
+ browser, interfaceIndex, protocol, event, fullName, rrclass, rrtype, rdata, (unsigned)rdlen, flags, context);
/*
* Only process "add" data...
datanext = data + datalen;
for (ptr = key; data < datanext && *data != '='; data ++)
- *ptr++ = *data;
+ *ptr++ = (char)*data;
*ptr = '\0';
if (data < datanext && *data == '=')
data ++;
if (data < datanext)
- memcpy(value, data, datanext - data);
+ memcpy(value, data, (size_t)(datanext - data));
value[datanext - data] = '\0';
fprintf(stderr, "DEBUG2: query_callback: \"%s=%s\".\n",
*/
ptr = device_id + strlen(device_id);
- snprintf(ptr, sizeof(device_id) - (ptr - device_id), "%s:%s;",
- key + 4, value);
+ snprintf(ptr, sizeof(device_id) - (size_t)(ptr - device_id), "%s:%s;", key + 4, value);
}
if (!_cups_strcasecmp(key, "usb_MFG") || !_cups_strcasecmp(key, "usb_MANU") ||
if (device->type == CUPS_DEVICE_PRINTER)
device->sent = 1;
}
+ else if (!_cups_strcasecmp(key, "UUID"))
+ device->uuid = strdup(value);
}
if (device->device_id)
* Assume the first word is the make...
*/
- memcpy(make_and_model, model, ptr - model);
+ memcpy(make_and_model, model, (size_t)(ptr - model));
make_and_model[ptr - model] = '\0';
snprintf(device_id, sizeof(device_id), "MFG:%s;MDL:%s",
while (isalnum(*ptr & 255) || *ptr == '-' || *ptr == '.')
{
if (isalnum(*ptr & 255) && valptr < (value + sizeof(value) - 1))
- *valptr++ = toupper(*ptr++ & 255);
+ *valptr++ = (char)toupper(*ptr++ & 255);
else
break;
}
}
ptr = device_id + strlen(device_id);
- snprintf(ptr, sizeof(device_id) - (ptr - device_id), "CMD:%s;",
- value + 1);
+ snprintf(ptr, sizeof(device_id) - (size_t)(ptr - device_id), "CMD:%s;", value + 1);
}
if (device_id[0])
(void)sig;
if (job_canceled)
- exit(CUPS_BACKEND_OK);
+ _exit(CUPS_BACKEND_OK);
else
job_canceled = 1;
}
*dst = '\0';
}
-
-
-/*
- * End of "$Id$".
- */