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24f46305c8
cups/cups-avahi.patch

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diff -up cups-1.4.6/backend/dnssd.c.avahi cups-1.4.6/backend/dnssd.c
--- cups-1.4.6/backend/dnssd.c.avahi 2011-01-25 13:26:16.607114570 +0000
+++ cups-1.4.6/backend/dnssd.c 2011-01-25 13:26:16.633115058 +0000
@@ -15,14 +15,21 @@
*
* Contents:
*
+ * next_txt_record() - Get next TXT record from a cups_txt_records_t.
+ * parse_txt_record_pair() - Read key/value pair in cups_txt_records_t.
* main() - Browse for printers.
* browse_callback() - Browse devices.
* browse_local_callback() - Browse local devices.
* 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.
+ * avahi_client_callback() - Avahi client callback function.
+ * avahi_query_callback() - Avahi query callback function.
+ * avahi_browse_callback() - Avahi browse callback function.
+ * find_device() - Find a device from its name and domain.
* sigterm_handler() - Handle termination signals...
* unquote() - Unquote a name string.
*/
@@ -33,7 +40,18 @@
#include "backend-private.h"
#include <cups/array.h>
-#include <dns_sd.h>
+#ifdef HAVE_DNSSD
+# include <dns_sd.h>
+#endif /* HAVE_DNSSD */
+#ifdef HAVE_AVAHI
+# include <avahi-client/client.h>
+# include <avahi-client/lookup.h>
+# include <avahi-common/simple-watch.h>
+# include <avahi-common/domain.h>
+# include <avahi-common/error.h>
+# include <avahi-common/malloc.h>
+#define kDNSServiceMaxDomainName AVAHI_DOMAIN_NAME_MAX
+#endif /* HAVE_AVAHI */
/*
@@ -52,7 +70,12 @@ typedef enum
typedef struct
{
+#ifdef HAVE_DNSSD
DNSServiceRef ref; /* Service reference for resolve */
+#endif /* HAVE_DNSSD */
+#ifdef HAVE_AVAHI
+ int resolved; /* Did we resolve the device? */
+#endif /* HAVE_AVAHI */
char *name, /* Service name */
*domain, /* Domain name */
*fullName, /* Full name */
@@ -64,6 +87,20 @@ typedef struct
sent; /* Did we list the device? */
} cups_device_t;
+typedef struct
+{
+ char key[256];
+ char value[256];
+
+#ifdef HAVE_DNSSD
+ const uint8_t *data;
+ const uint8_t *datanext;
+ const uint8_t *dataend;
+#else /* HAVE_AVAHI */
+ AvahiStringList *txt;
+#endif /* HAVE_DNSSD */
+} cups_txt_records_t;
+
/*
* Local globals...
@@ -77,6 +114,7 @@ static int job_canceled = 0;
* Local functions...
*/
+#ifdef HAVE_DNSSD
static void browse_callback(DNSServiceRef sdRef,
DNSServiceFlags flags,
uint32_t interfaceIndex,
@@ -92,12 +130,6 @@ static void browse_local_callback(DNSSe
const char *regtype,
const char *replyDomain,
void *context);
-static int compare_devices(cups_device_t *a, cups_device_t *b);
-static void exec_backend(char **argv);
-static cups_device_t *get_device(cups_array_t *devices,
- const char *serviceName,
- const char *regtype,
- const char *replyDomain);
static void query_callback(DNSServiceRef sdRef,
DNSServiceFlags flags,
uint32_t interfaceIndex,
@@ -106,9 +138,118 @@ static void query_callback(DNSServiceRe
uint16_t rrclass, uint16_t rdlen,
const void *rdata, uint32_t ttl,
void *context);
+#endif /* HAVE_DNSSD */
+#ifdef HAVE_AVAHI
+static void avahi_client_callback (AvahiClient *client,
+ AvahiClientState state,
+ void *context);
+static void avahi_browse_callback (AvahiServiceBrowser *browser,
+ AvahiIfIndex interface,
+ AvahiProtocol protocol,
+ AvahiBrowserEvent event,
+ const char *serviceName,
+ const char *regtype,
+ const char *replyDomain,
+ AvahiLookupResultFlags flags,
+ void *context);
+#endif /* HAVE_AVAHI */
+
+static cups_device_t * find_device (cups_array_t *devices,
+ cups_txt_records_t *txt,
+ cups_device_t *dkey);
+static int compare_devices(cups_device_t *a, cups_device_t *b);
+static void exec_backend(char **argv);
+static cups_device_t *get_device(cups_array_t *devices,
+ const char *serviceName,
+ const char *regtype,
+ const char *replyDomain);
static void sigterm_handler(int sig);
static void unquote(char *dst, const char *src, size_t dstsize);
+#ifdef HAVE_AVAHI
+static AvahiSimplePoll *simple_poll = NULL;
+static int avahi_got_callback;
+#endif /* HAVE_AVAHI */
+
+
+/*
+ * 'next_txt_record()' - Get next TXT record from a cups_txt_records_t.
+ */
+
+static cups_txt_records_t *
+next_txt_record (cups_txt_records_t *txt)
+{
+#ifdef HAVE_DNSSD
+ txt->data = txt->datanext;
+#else /* HAVE_AVAHI */
+ txt->txt = avahi_string_list_get_next (txt->txt);
+ if (txt->txt == NULL)
+ return NULL;
+#endif /* HAVE_DNSSD */
+
+ return txt;
+}
+
+
+/*
+ * 'parse_txt_record_pair()' - Read key/value pair in cups_txt_records_t.
+ */
+
+static int
+parse_txt_record_pair (cups_txt_records_t *txt)
+{
+#ifdef HAVE_DNSSD
+ uint8_t datalen;
+ uint8_t *data = txt->data;
+ char *ptr;
+
+ /*
+ * Read a key/value pair starting with an 8-bit length. Since the
+ * length is 8 bits and the size of the key/value buffers is 256, we
+ * don't need to check for overflow...
+ */
+
+ datalen = *data++;
+ if (!datalen || (data + datalen) >= txt->dataend)
+ return NULL;
+ txt->datanext = data + datalen;
+
+ for (ptr = txt->key; data < txt->datanext && *data != '='; data ++)
+ *ptr++ = *data;
+ *ptr = '\0';
+
+ if (data < txt->datanext && *data == '=')
+ {
+ data++;
+
+ if (data < datanext)
+ memcpy (txt->value, data, txt->datanext - data);
+ value[txt->datanext - data] = '\0';
+ }
+ else
+ return 1;
+#else /* HAVE_AVAHI */
+ char *key, *value;
+ size_t len;
+ avahi_string_list_get_pair (txt->txt, &key, &value, &len);
+ if (len > sizeof (txt->value) - 1)
+ len = sizeof (txt->value) - 1;
+
+ memcpy (txt->value, value, len);
+ txt->value[len] = '\0';
+ len = strlen (key);
+ if (len > sizeof (txt->key) - 1)
+ len = sizeof (txt->key) - 1;
+
+ memcpy (txt->key, key, len);
+ txt->key[len] = '\0';
+ avahi_free (key);
+ avahi_free (value);
+#endif /* HAVE_AVAHI */
+
+ return 0;
+}
+
/*
* 'main()' - Browse for printers.
@@ -119,6 +260,13 @@ main(int argc, /* I - Number of comm
char *argv[]) /* I - Command-line arguments */
{
const char *name; /* Backend name */
+ cups_array_t *devices; /* Device array */
+ cups_device_t *device; /* Current device */
+ char uriName[1024]; /* Unquoted fullName for URI */
+#ifdef HAVE_DNSSD
+ int fd; /* Main file descriptor */
+ fd_set input; /* Input set for select() */
+ struct timeval timeout; /* Timeout for select() */
DNSServiceRef main_ref, /* Main service reference */
fax_ipp_ref, /* IPP fax service reference */
ipp_ref, /* IPP service reference */
@@ -130,12 +278,11 @@ main(int argc, /* I - Number of comm
pdl_datastream_ref, /* AppSocket service reference */
printer_ref, /* LPD service reference */
riousbprint_ref; /* Remote IO service reference */
- int fd; /* Main file descriptor */
- fd_set input; /* Input set for select() */
- struct timeval timeout; /* Timeout for select() */
- cups_array_t *devices; /* Device array */
- cups_device_t *device; /* Current device */
- char uriName[1024]; /* Unquoted fullName for URI */
+#endif /* HAVE_DNSSD */
+#ifdef HAVE_AVAHI
+ AvahiClient *client;
+ int error;
+#endif /* HAVE_AVAHI */
#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
struct sigaction action; /* Actions for POSIX signals */
#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
@@ -194,6 +341,49 @@ main(int argc, /* I - Number of comm
* Browse for different kinds of printers...
*/
+#ifdef HAVE_AVAHI
+ if ((simple_poll = avahi_simple_poll_new ()) == NULL)
+ {
+ perror ("ERROR: Unable to create avahi simple poll object");
+ return (1);
+ }
+
+ client = avahi_client_new (avahi_simple_poll_get (simple_poll),
+ 0, avahi_client_callback, NULL, &error);
+ if (!client)
+ {
+ perror ("DEBUG: Unable to create avahi client");
+ return (0);
+ }
+
+ avahi_service_browser_new (client, AVAHI_IF_UNSPEC,
+ AVAHI_PROTO_UNSPEC,
+ "_fax-ipp._tcp", NULL, 0,
+ avahi_browse_callback, devices);
+ avahi_service_browser_new (client, AVAHI_IF_UNSPEC,
+ AVAHI_PROTO_UNSPEC,
+ "_ipp._tcp", NULL, 0,
+ avahi_browse_callback, devices);
+ avahi_service_browser_new (client, AVAHI_IF_UNSPEC,
+ AVAHI_PROTO_UNSPEC,
+ "_ipp-tls._tcp", NULL, 0,
+ avahi_browse_callback, devices);
+ avahi_service_browser_new (client, AVAHI_IF_UNSPEC,
+ AVAHI_PROTO_UNSPEC,
+ "_pdl-datastream._tcp",
+ NULL, 0,
+ avahi_browse_callback,
+ devices);
+ avahi_service_browser_new (client, AVAHI_IF_UNSPEC,
+ AVAHI_PROTO_UNSPEC,
+ "_printer._tcp", NULL, 0,
+ avahi_browse_callback, devices);
+ avahi_service_browser_new (client, AVAHI_IF_UNSPEC,
+ AVAHI_PROTO_UNSPEC,
+ "_riousbprint._tcp", NULL, 0,
+ avahi_browse_callback, devices);
+#endif /* HAVE_AVAHI */
+#ifdef HAVE_DNSSD
if (DNSServiceCreateConnection(&main_ref) != kDNSServiceErr_NoError)
{
perror("ERROR: Unable to create service connection");
@@ -245,6 +435,7 @@ main(int argc, /* I - Number of comm
riousbprint_ref = main_ref;
DNSServiceBrowse(&riousbprint_ref, kDNSServiceFlagsShareConnection, 0,
"_riousbprint._tcp", NULL, browse_callback, devices);
+#endif /* HAVE_DNSSD */
/*
* Loop until we are killed...
@@ -252,6 +443,9 @@ main(int argc, /* I - Number of comm
while (!job_canceled)
{
+ int announce = 0;
+
+#ifdef HAVE_DNSSD
FD_ZERO(&input);
FD_SET(fd, &input);
@@ -271,11 +465,35 @@ main(int argc, /* I - Number of comm
}
else
{
+ announce = 1;
+ }
+#else /* HAVE_AVAHI */
+ int r;
+ avahi_got_callback = 0;
+ r = avahi_simple_poll_iterate (simple_poll, 1);
+ if (r != 0 && r != EINTR)
+ {
+ /*
+ * We've been told to exit the loop. Perhaps the connection to
+ * avahi failed.
+ */
+
+ break;
+ }
+
+ if (avahi_got_callback)
+ announce = 1;
+#endif /* HAVE_DNSSD */
+
+ if (announce)
+ {
/*
* Announce any devices we've found...
*/
+#ifdef HAVE_DNSSD
DNSServiceErrorType status; /* DNS query status */
+#endif /* HAVE_DNSSD */
cups_device_t *best; /* Best matching device */
char device_uri[1024]; /* Device URI */
int count; /* Number of queries */
@@ -285,6 +503,7 @@ main(int argc, /* I - Number of comm
best = NULL, count = 0;
device;
device = (cups_device_t *)cupsArrayNext(devices))
+#ifdef HAVE_DNSSD
if (!device->ref && !device->sent)
{
/*
@@ -313,14 +532,23 @@ main(int argc, /* I - Number of comm
count ++;
}
}
- else if (!device->sent)
+ else
+#endif /* HAVE_DNSSD */
+#ifdef HAVE_AVAHI
+ if (!device->resolved)
+ continue;
+ else
+#endif /* HAVE_AVAHI */
+ if (!device->sent)
{
+#ifdef HAVE_DNSSD
/*
* Got the TXT records, now report the device...
*/
DNSServiceRefDeallocate(device->ref);
device->ref = 0;
+#endif /* HAVE_DNSSD */
if (!best)
best = device;
@@ -368,6 +596,7 @@ main(int argc, /* I - Number of comm
}
+#ifdef HAVE_DNSSD
/*
* 'browse_callback()' - Browse devices.
*/
@@ -456,6 +685,7 @@ browse_local_callback(
device->fullName);
device->sent = 1;
}
+#endif /* HAVE_DNSSD */
/*
@@ -530,6 +760,37 @@ exec_backend(char **argv) /* I - Comman
/*
+ * 'device_type()' - Get DNS-SD type enumeration from string.
+ */
+
+static int
+device_type (const char *regtype)
+{
+#ifdef HAVE_AVAHI
+ if (!strcmp(regtype, "_ipp._tcp") ||
+ !strcmp(regtype, "_ipp-tls._tcp"))
+ return (CUPS_DEVICE_IPP);
+ else if (!strcmp(regtype, "_fax-ipp._tcp"))
+ return (CUPS_DEVICE_FAX_IPP);
+ else if (!strcmp(regtype, "_printer._tcp"))
+ return (CUPS_DEVICE_PDL_DATASTREAM);
+#else
+ if (!strcmp(regtype, "_ipp._tcp.") ||
+ !strcmp(regtype, "_ipp-tls._tcp."))
+ return (CUPS_DEVICE_IPP);
+ else if (!strcmp(regtype, "_fax-ipp._tcp."))
+ return (CUPS_DEVICE_FAX_IPP);
+ else if (!strcmp(regtype, "_printer._tcp."))
+ return (CUPS_DEVICE_PRINTER);
+ else if (!strcmp(regtype, "_pdl-datastream._tcp."))
+ return (CUPS_DEVICE_PDL_DATASTREAM);
+#endif /* HAVE_AVAHI */
+
+ return (CUPS_DEVICE_RIOUSBPRINT);
+}
+
+
+/*
* 'get_device()' - Create or update a device.
*/
@@ -550,18 +811,7 @@ get_device(cups_array_t *devices, /* I -
*/
key.name = (char *)serviceName;
-
- if (!strcmp(regtype, "_ipp._tcp.") ||
- !strcmp(regtype, "_ipp-tls._tcp."))
- key.type = CUPS_DEVICE_IPP;
- else if (!strcmp(regtype, "_fax-ipp._tcp."))
- key.type = CUPS_DEVICE_FAX_IPP;
- else if (!strcmp(regtype, "_printer._tcp."))
- key.type = CUPS_DEVICE_PRINTER;
- else if (!strcmp(regtype, "_pdl-datastream._tcp."))
- key.type = CUPS_DEVICE_PDL_DATASTREAM;
- else
- key.type = CUPS_DEVICE_RIOUSBPRINT;
+ key.type = device_type (regtype);
for (device = cupsArrayFind(devices, &key);
device;
@@ -581,8 +831,14 @@ get_device(cups_array_t *devices, /* I -
free(device->domain);
device->domain = strdup(replyDomain);
+#ifdef HAVE_DNSSD
DNSServiceConstructFullName(fullName, device->name, regtype,
replyDomain);
+#else /* HAVE_AVAHI */
+ avahi_service_name_join (fullName, kDNSServiceMaxDomainName,
+ serviceName, regtype, replyDomain);
+#endif /* HAVE_DNSSD */
+
free(device->fullName);
device->fullName = strdup(fullName);
}
@@ -602,6 +858,9 @@ get_device(cups_array_t *devices, /* I -
device->domain = strdup(replyDomain);
device->type = key.type;
device->priority = 50;
+#ifdef HAVE_AVAHI
+ device->resolved = 0;
+#endif /* HAVE_AVAHI */
cupsArrayAdd(devices, device);
@@ -609,13 +868,20 @@ get_device(cups_array_t *devices, /* I -
* Set the "full name" of this service, which is used for queries...
*/
+#ifdef HAVE_DNSSD
DNSServiceConstructFullName(fullName, serviceName, regtype, replyDomain);
+#else /* HAVE_AVAHI */
+ avahi_service_name_join (fullName, kDNSServiceMaxDomainName,
+ serviceName, regtype, replyDomain);
+#endif /* HAVE_DNSSD */
+
device->fullName = strdup(fullName);
return (device);
}
+#ifdef HAVE_DNSSD
/*
* 'query_callback()' - Process query data.
*/
@@ -639,7 +905,7 @@ query_callback(
*ptr; /* Pointer into string */
cups_device_t dkey, /* Search key */
*device; /* Device */
-
+ cups_txt_records_t txt;
fprintf(stderr, "DEBUG2: query_callback(sdRef=%p, flags=%x, "
"interfaceIndex=%d, errorCode=%d, fullName=\"%s\", "
@@ -673,84 +939,232 @@ query_callback(
if ((ptr = strstr(name, "._")) != NULL)
*ptr = '\0';
- if (strstr(fullName, "_ipp._tcp.") ||
- strstr(fullName, "_ipp-tls._tcp."))
- dkey.type = CUPS_DEVICE_IPP;
- else if (strstr(fullName, "_fax-ipp._tcp."))
- dkey.type = CUPS_DEVICE_FAX_IPP;
- else if (strstr(fullName, "_printer._tcp."))
- dkey.type = CUPS_DEVICE_PRINTER;
- else if (strstr(fullName, "_pdl-datastream._tcp."))
- dkey.type = CUPS_DEVICE_PDL_DATASTREAM;
+ dkey.type = device_type (fullName);
+
+ txt.data = rdata;
+ txt.dataend = rdata + rdlen;
+ device = find_device ((cups_array_t *) context, &txt, &dkey);
+ if (!device)
+ fprintf(stderr, "DEBUG: Ignoring TXT record for \"%s\"...\n", fullName);
+}
+#endif /* HAVE_DNSSD */
+
+
+#ifdef HAVE_AVAHI
+/*
+ * 'avahi_client_callback()' - Avahi client callback function.
+ */
+
+static void
+avahi_client_callback(AvahiClient *client,
+ AvahiClientState state,
+ void *context)
+{
+ /*
+ * If the connection drops, quit.
+ */
+
+ if (state == AVAHI_CLIENT_FAILURE)
+ {
+ fprintf (stderr, "ERROR: Avahi connection failed\n");
+ avahi_simple_poll_quit (simple_poll);
+ }
+}
+
+
+/*
+ * 'avahi_query_callback()' - Avahi query callback function.
+ */
+
+static void
+avahi_query_callback(AvahiServiceResolver *resolver,
+ AvahiIfIndex interface,
+ AvahiProtocol protocol,
+ AvahiResolverEvent event,
+ const char *name,
+ const char *type,
+ const char *domain,
+ const char *host_name,
+ const AvahiAddress *address,
+ uint16_t port,
+ AvahiStringList *txt,
+ AvahiLookupResultFlags flags,
+ void *context)
+{
+ AvahiClient *client;
+ cups_device_t key,
+ *device;
+ char uqname[1024],
+ *ptr;
+ cups_txt_records_t txtr;
+
+ client = avahi_service_resolver_get_client (resolver);
+ if (event != AVAHI_RESOLVER_FOUND)
+ {
+ if (event == AVAHI_RESOLVER_FAILURE)
+ {
+ fprintf (stderr, "ERROR: %s\n",
+ avahi_strerror (avahi_client_errno (client)));
+ }
+
+ avahi_service_resolver_free (resolver);
+ return;
+ }
+
+ /*
+ * Set search key for device.
+ */
+
+ key.name = uqname;
+ unquote (uqname, name, sizeof (uqname));
+ if ((ptr = strstr(name, "._")) != NULL)
+ *ptr = '\0';
+
+ key.domain = (char *) domain;
+ key.type = device_type (type);
+
+ /*
+ * Find the device and the the TXT information.
+ */
+
+ txtr.txt = txt;
+ device = find_device ((cups_array_t *) context, &txtr, &key);
+ if (device)
+ {
+ /*
+ * Let the main loop know to announce the device.
+ */
+
+ device->resolved = 1;
+ avahi_got_callback = 1;
+ }
else
- dkey.type = CUPS_DEVICE_RIOUSBPRINT;
+ fprintf (stderr, "DEBUG: Ignoring TXT record for \"%s\"...\n", name);
+
+ avahi_service_resolver_free (resolver);
+}
+
+
+/*
+ * 'avahi_browse_callback()' - Avahi browse callback function.
+ */
+
+static void
+avahi_browse_callback(AvahiServiceBrowser *browser,
+ AvahiIfIndex interface,
+ AvahiProtocol protocol,
+ AvahiBrowserEvent event,
+ const char *name,
+ const char *type,
+ const char *domain,
+ AvahiLookupResultFlags flags,
+ void *context)
+{
+ AvahiClient *client = avahi_service_browser_get_client (browser);
- for (device = cupsArrayFind(devices, &dkey);
+ switch (event)
+ {
+ case AVAHI_BROWSER_FAILURE:
+ fprintf (stderr, "ERROR: %s\n",
+ avahi_strerror (avahi_client_errno (client)));
+ avahi_simple_poll_quit (simple_poll);
+ return;
+
+ case AVAHI_BROWSER_NEW:
+ /*
+ * This object is new on the network.
+ */
+
+ if (flags & AVAHI_LOOKUP_RESULT_LOCAL)
+ {
+ /*
+ * This comes from the local machine so ignore it.
+ */
+
+ fprintf (stderr, "DEBUG: ignoring local service %s\n", name);
+ }
+ else
+ {
+ /*
+ * Create a device entry for it if it doesn't yet exist.
+ */
+
+ get_device ((cups_array_t *)context, name, type, domain);
+
+ /*
+ * Now look for a TXT entry.
+ */
+
+ if (avahi_service_resolver_new (client, interface, protocol,
+ name, type, domain,
+ AVAHI_PROTO_UNSPEC, 0,
+ avahi_query_callback, context) == NULL)
+ {
+ fprintf (stderr, "ERROR: failed to resolve service %s: %s\n",
+ name, avahi_strerror (avahi_client_errno (client)));
+ }
+ }
+
+ break;
+
+ case AVAHI_BROWSER_REMOVE:
+ case AVAHI_BROWSER_ALL_FOR_NOW:
+ case AVAHI_BROWSER_CACHE_EXHAUSTED:
+ break;
+ }
+}
+#endif /* HAVE_AVAHI */
+
+
+/*
+ * 'find_device()' - Find a device from its name and domain.
+ */
+
+static cups_device_t *
+find_device (cups_array_t *devices,
+ cups_txt_records_t *txt,
+ cups_device_t *dkey)
+{
+ cups_device_t *device;
+ char *ptr;
+
+ for (device = cupsArrayFind(devices, dkey);
device;
device = cupsArrayNext(devices))
{
- if (strcasecmp(device->name, dkey.name) ||
- strcasecmp(device->domain, dkey.domain))
+ if (strcasecmp(device->name, dkey->name) ||
+ strcasecmp(device->domain, dkey->domain))
{
device = NULL;
break;
}
- else if (device->type == dkey.type)
+ else if (device->type == dkey->type)
{
/*
* Found it, pull out the priority and make and model from the TXT
* record and save it...
*/
- const uint8_t *data, /* Pointer into data */
- *datanext, /* Next key/value pair */
- *dataend; /* End of entire TXT record */
- uint8_t datalen; /* Length of current key/value pair */
- char key[256], /* Key string */
- value[256], /* Value string */
- make_and_model[512],
+ char make_and_model[512],
/* Manufacturer and model */
model[256], /* Model */
- device_id[2048];/* 1284 device ID */
-
+ device_id[2048]; /* 1284 device ID */
device_id[0] = '\0';
make_and_model[0] = '\0';
strcpy(model, "Unknown");
- for (data = rdata, dataend = data + rdlen;
- data < dataend;
- data = datanext)
+ for (;;)
{
- /*
- * Read a key/value pair starting with an 8-bit length. Since the
- * length is 8 bits and the size of the key/value buffers is 256, we
- * don't need to check for overflow...
- */
-
- datalen = *data++;
-
- if (!datalen || (data + datalen) >= dataend)
- break;
+ char *key;
+ char *value;
- datanext = data + datalen;
-
- for (ptr = key; data < datanext && *data != '='; data ++)
- *ptr++ = *data;
- *ptr = '\0';
-
- if (data < datanext && *data == '=')
- {
- data ++;
-
- if (data < datanext)
- memcpy(value, data, datanext - data);
- value[datanext - data] = '\0';
- }
- else
- continue;
+ if (parse_txt_record_pair (txt))
+ goto next;
+ key = txt->key;
+ value = txt->value;
if (!strncasecmp(key, "usb_", 4))
{
/*
@@ -805,6 +1219,10 @@ query_callback(
if (device->type == CUPS_DEVICE_PRINTER)
device->sent = 1;
}
+
+ next:
+ if (next_txt_record (txt) == NULL)
+ break;
}
if (device->device_id)
@@ -861,11 +1279,9 @@ query_callback(
}
}
- if (!device)
- fprintf(stderr, "DEBUG: Ignoring TXT record for \"%s\"...\n", fullName);
+ return device;
}
-
/*
* 'sigterm_handler()' - Handle termination signals...
*/
diff -up cups-1.4.6/config.h.in.avahi cups-1.4.6/config.h.in
--- cups-1.4.6/config.h.in.avahi 2010-08-13 05:11:46.000000000 +0100
+++ cups-1.4.6/config.h.in 2011-01-25 13:26:16.635115097 +0000
@@ -344,6 +344,13 @@
/*
+ * Do we have Avahi for DNS Service Discovery?
+ */
+
+#undef HAVE_AVAHI
+
+
+/*
* Do we have <sys/ioctl.h>?
*/
diff -up cups-1.4.6/config-scripts/cups-dnssd.m4.avahi cups-1.4.6/config-scripts/cups-dnssd.m4
--- cups-1.4.6/config-scripts/cups-dnssd.m4.avahi 2009-08-28 23:54:34.000000000 +0100
+++ cups-1.4.6/config-scripts/cups-dnssd.m4 2011-01-25 13:26:16.636115116 +0000
@@ -27,6 +27,21 @@ AC_ARG_WITH(dnssd-includes, [ --with-dn
DNSSDLIBS=""
DNSSD_BACKEND=""
+AC_ARG_ENABLE(avahi, [ --enable-avahi turn on DNS Service Discovery support, default=no],
+ [if test x$enable_avahi = xyes; then
+ AC_MSG_CHECKING(for Avahi)
+ if $PKGCONFIG --exists avahi-client; then
+ AC_MSG_RESULT(yes)
+ CFLAGS="$CFLAGS `$PKGCONFIG --cflags avahi-client`"
+ DNSSDLIBS="`$PKGCONFIG --libs avahi-client`"
+ DNSSD_BACKEND="dnssd"
+ AC_DEFINE(HAVE_AVAHI)
+ enable_dnssd=no
+ else
+ AC_MSG_RESULT(no)
+ fi
+ fi])
+
if test x$enable_dnssd != xno; then
AC_CHECK_HEADER(dns_sd.h, [
case "$uname" in
diff -up cups-1.4.6/cups/http-support.c.avahi cups-1.4.6/cups/http-support.c
--- cups-1.4.6/cups/http-support.c.avahi 2010-10-01 23:40:38.000000000 +0100
+++ cups-1.4.6/cups/http-support.c 2011-01-25 13:26:16.638115152 +0000
@@ -41,6 +41,10 @@
* http_copy_decode() - Copy and decode a URI.
* http_copy_encode() - Copy and encode a URI.
* resolve_callback() - Build a device URI for the given service name.
+ * avahi_resolve_uri_client_cb()
+ * - Avahi client callback for resolving URI.
+ * avahi_resolve_uri_resolver_cb()
+ * - Avahi resolver callback for resolving URI.
*/
/*
@@ -55,6 +59,11 @@
# include <dns_sd.h>
# include <poll.h>
#endif /* HAVE_DNSSD */
+#ifdef HAVE_AVAHI
+# include <avahi-client/client.h>
+# include <avahi-client/lookup.h>
+# include <avahi-common/simple-watch.h>
+#endif /* HAVE_AVAHI */
/*
@@ -121,6 +130,24 @@ static void resolve_callback(DNSService
void *context);
#endif /* HAVE_DNSSD */
+#ifdef HAVE_AVAHI
+static void avahi_resolve_uri_client_cb(AvahiClient *client,
+ AvahiClientState state,
+ void *simple_poll);
+static void avahi_resolve_uri_resolver_cb(AvahiServiceResolver *resolver,
+ AvahiIfIndex interface,
+ AvahiProtocol protocol,
+ AvahiResolverEvent event,
+ const char *name,
+ const char *type,
+ const char *domain,
+ const char *host_name,
+ const AvahiAddress *address,
+ uint16_t port,
+ AvahiStringList *txt,
+ AvahiLookupResultFlags flags,
+ void *context);
+#endif /* HAVE_AVAHI */
/*
* 'httpAssembleURI()' - Assemble a uniform resource identifier from its
@@ -1351,6 +1378,9 @@ _httpResolveURI(
if (strstr(hostname, "._tcp"))
{
+#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
+ char *regtype, /* Pointer to type in hostname */
+ *domain; /* Pointer to domain in hostname */
#ifdef HAVE_DNSSD
DNSServiceRef ref, /* DNS-SD master service reference */
domainref, /* DNS-SD service reference for domain */
@@ -1361,6 +1391,16 @@ _httpResolveURI(
*domain; /* Pointer to domain in hostname */
_http_uribuf_t uribuf; /* URI buffer */
struct pollfd polldata; /* Polling data */
+#else /* HAVE_AVAHI */
+ AvahiSimplePoll *simple_poll;
+ AvahiClient *client;
+ int error;
+ struct
+ {
+ AvahiSimplePoll *poll;
+ _http_uribuf_t uribuf;
+ } user_data;
+#endif /* HAVE_DNSSD */
if (logit)
@@ -1398,8 +1438,13 @@ _httpResolveURI(
if (domain)
*domain++ = '\0';
+#ifdef HAVE_DNSSD
uribuf.buffer = resolved_uri;
uribuf.bufsize = resolved_size;
+#else
+ user_data.uribuf.buffer = resolved_uri;
+ user_data.uribuf.bufsize = resolved_size;
+#endif
resolved_uri[0] = '\0';
@@ -1414,6 +1459,7 @@ _httpResolveURI(
uri = NULL;
+#ifdef HAVE_DNSSD
if (DNSServiceCreateConnection(&ref) == kDNSServiceErr_NoError)
{
localref = ref;
@@ -1500,6 +1546,36 @@ _httpResolveURI(
DNSServiceRefDeallocate(ref);
}
+#else /* HAVE_AVAHI */
+ if ((simple_poll = avahi_simple_poll_new ()) != NULL)
+ {
+ if ((client = avahi_client_new (avahi_simple_poll_get (simple_poll),
+ 0, avahi_resolve_uri_client_cb,
+ &simple_poll, &error)) != NULL)
+ {
+ user_data.poll = simple_poll;
+ if (avahi_service_resolver_new (client, AVAHI_IF_UNSPEC,
+ AVAHI_PROTO_UNSPEC, hostname,
+ regtype, domain, AVAHI_PROTO_UNSPEC, 0,
+ avahi_resolve_uri_resolver_cb,
+ &user_data) != NULL)
+ {
+ avahi_simple_poll_loop (simple_poll);
+
+ /*
+ * Collect the result.
+ */
+
+ if (resolved_uri[0])
+ uri = resolved_uri;
+ }
+
+ avahi_client_free (client);
+ }
+
+ avahi_simple_poll_free (simple_poll);
+ }
+#endif /* HAVE_DNSSD */
if (logit)
{
@@ -1511,13 +1587,13 @@ _httpResolveURI(
fputs("STATE: -connecting-to-device,offline-report\n", stderr);
}
-#else
+#else /* HAVE_DNSSD || HAVE_AVAHI */
/*
* No DNS-SD support...
*/
uri = NULL;
-#endif /* HAVE_DNSSD */
+#endif /* HAVE_DNSSD || HAVE_AVAHI */
if (logit && !uri)
_cupsLangPuts(stderr, _("Unable to find printer!\n"));
@@ -1723,6 +1799,116 @@ resolve_callback(
#endif /* HAVE_DNSSD */
+#ifdef HAVE_AVAHI
+/*
+ * 'avahi_resolve_uri_client_cb()' - Avahi client callback for resolving URI.
+ */
+
+static void
+avahi_resolve_uri_client_cb (AvahiClient *client,
+ AvahiClientState state,
+ void *simple_poll)
+{
+ DEBUG_printf(("avahi_resolve_uri_client_callback(client=%p, state=%d, "
+ "simple_poll=%p)\n", client, state, simple_poll));
+
+ /*
+ * If the connection drops, quit.
+ */
+
+ if (state == AVAHI_CLIENT_FAILURE)
+ avahi_simple_poll_quit (simple_poll);
+}
+
+
+/*
+ * 'avahi_resolve_uri_resolver_cb()' - Avahi resolver callback for resolving
+ * URI.
+ */
+
+static void
+avahi_resolve_uri_resolver_cb (AvahiServiceResolver *resolver,
+ AvahiIfIndex interface,
+ AvahiProtocol protocol,
+ AvahiResolverEvent event,
+ const char *name,
+ const char *type,
+ const char *domain,
+ const char *host_name,
+ const AvahiAddress *address,
+ uint16_t port,
+ AvahiStringList *txt,
+ AvahiLookupResultFlags flags,
+ void *context)
+{
+ const char *scheme; /* URI scheme */
+ char rp[256]; /* Remote printer */
+ AvahiStringList *pair;
+ char *value;
+ size_t valueLen = 0;
+ char addr[AVAHI_ADDRESS_STR_MAX];
+ struct
+ {
+ AvahiSimplePoll *poll;
+ _http_uribuf_t uribuf;
+ } *poll_uribuf = context;
+
+ DEBUG_printf(("avahi_resolve_uri_resolver_callback(resolver=%p, "
+ "interface=%d, protocol=%d, event=%d, name=\"%s\", "
+ "type=\"%s\", domain=\"%s\", host_name=\"%s\", address=%p, "
+ "port=%d, txt=%p, flags=%d, context=%p)\n",
+ resolver, interface, protocol, event, name, type, domain,
+ host_name, address, port, txt, flags, context));
+
+ if (event != AVAHI_RESOLVER_FOUND)
+ {
+ avahi_service_resolver_free (resolver);
+ avahi_simple_poll_quit (poll_uribuf->poll);
+ return;
+ }
+
+ /*
+ * Figure out the scheme from the full name...
+ */
+
+ if (strstr(type, "_ipp."))
+ scheme = "ipp";
+ else if (strstr(type, "_printer."))
+ scheme = "lpd";
+ else if (strstr(type, "_pdl-datastream."))
+ scheme = "socket";
+ else
+ scheme = "riousbprint";
+
+ /*
+ * Extract the "remote printer key from the TXT record...
+ */
+
+ if ((pair = avahi_string_list_find (txt, "rp")) != NULL)
+ {
+ avahi_string_list_get_pair (pair, NULL, &value, &valueLen);
+ rp[0] = '/';
+ memcpy (rp + 1, value, valueLen);
+ rp[valueLen + 1] = '\0';
+ }
+ else
+ rp[0] = '\0';
+
+ /*
+ * Assemble the final device URI...
+ */
+
+ avahi_address_snprint (addr, AVAHI_ADDRESS_STR_MAX, address);
+ httpAssembleURI(HTTP_URI_CODING_ALL, poll_uribuf->uribuf.buffer,
+ poll_uribuf->uribuf.bufsize, scheme, NULL,
+ addr, port, rp);
+ DEBUG_printf(("avahi_resolve_uri_resolver_callback: Resolved URI is \"%s\"\n",
+ poll_uribuf->uribuf.buffer));
+ avahi_simple_poll_quit (poll_uribuf->poll);
+}
+#endif /* HAVE_AVAHI */
+
+
/*
* End of "$Id: http-support.c 9322 2010-10-01 22:40:38Z mike $".
*/
diff -up cups-1.4.6/scheduler/avahi.c.avahi cups-1.4.6/scheduler/avahi.c
--- cups-1.4.6/scheduler/avahi.c.avahi 2011-01-25 13:26:16.640115190 +0000
+++ cups-1.4.6/scheduler/avahi.c 2011-01-25 13:26:16.640115190 +0000
@@ -0,0 +1,445 @@
+/*
+ * "$Id$"
+ *
+ * Avahi poll implementation for the CUPS scheduler.
+ *
+ * Copyright (C) 2010 Red Hat, Inc.
+ * Authors:
+ * Tim Waugh <twaugh@redhat.com>
+ *
+ * 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:
+ *
+ * watch_read_cb - Read callback for file descriptor
+ * watch_write_cb - Write callback for file descriptor
+ * watched_fd_add_select() - Call cupsdAddSelect() as needed
+ * watch_new() - Create a new file descriptor watch
+ * watch_free() - Free a file descriptor watch
+ * watch_update() - Update watched events for a file descriptor
+ * watch_get_events() - Get events that happened for a file descriptor
+ * timeout_cb() - Run a timed Avahi callback
+ * timeout_new() - Set a wakeup time
+ * timeout_update() - Update the expiration time for a timeout
+ * timeout_free() - Free a timeout
+ * compare_watched_fds() - Compare watched file descriptors for array sorting
+ * compare_timeouts() - Compare timeouts for array sorting
+ * avahi_cups_poll_new() - Create a new Avahi main loop object for CUPS
+ * avahi_cups_poll_free() - Free an Avahi main loop object for CUPS
+ * avahi_cups_poll_get() - Get the abstract poll API structure
+ */
+
+#include <config.h>
+
+#ifdef HAVE_AVAHI /* Applies to entire file... */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cupsd.h"
+
+#if defined(HAVE_MALLOC_H) && defined(HAVE_MALLINFO)
+# include <malloc.h>
+#endif /* HAVE_MALLOC_H && HAVE_MALLINFO */
+
+#ifdef HAVE_AVAHI
+# include <avahi-common/timeval.h>
+#endif /* HAVE_AVAHI */
+
+
+typedef struct
+{
+ AvahiCupsPoll *cups_poll;
+
+ int fd;
+ AvahiWatchEvent occurred;
+ cups_array_t *watches;
+} cupsd_watched_fd_t;
+
+struct AvahiWatch
+{
+ cupsd_watched_fd_t *watched_fd;
+
+ AvahiWatchEvent events;
+ AvahiWatchCallback callback;
+ void *userdata;
+};
+
+struct AvahiTimeout
+{
+ AvahiCupsPoll *cups_poll;
+ AvahiTimeoutCallback callback;
+ void *userdata;
+ cupsd_timeout_t *cupsd_timeout;
+};
+
+/*
+ * Local functions...
+ */
+
+static AvahiWatch * watch_new(const AvahiPoll *api,
+ int fd,
+ AvahiWatchEvent events,
+ AvahiWatchCallback callback,
+ void *userdata);
+static void watch_free(AvahiWatch *watch);
+static void watch_update(AvahiWatch *watch,
+ AvahiWatchEvent events);
+static AvahiWatchEvent watch_get_events(AvahiWatch *watch);
+static int compare_watches(AvahiWatch *p0,
+ AvahiWatch *p1);
+
+
+/*
+ * 'watch_read_cb' - Read callback for file descriptor
+ */
+
+static void
+watch_read_cb (void *userdata)
+{
+ AvahiWatch *watch;
+ cupsd_watched_fd_t *watched_fd = userdata;
+ watched_fd->occurred |= AVAHI_WATCH_IN;
+ for (watch = (AvahiWatch *)cupsArrayFirst(watched_fd->watches);
+ watch;
+ watch = (AvahiWatch *)cupsArrayNext(watched_fd->watches)) {
+ if (watch->events & watched_fd->occurred) {
+ (watch->callback) (watch, watched_fd->fd,
+ AVAHI_WATCH_IN, watch->userdata);
+ watched_fd->occurred &= ~AVAHI_WATCH_IN;
+ break;
+ }
+ }
+}
+
+
+/*
+ * 'watch_write_cb' - Write callback for file descriptor
+ */
+
+static void
+watch_write_cb (void *userdata)
+{
+ AvahiWatch *watch;
+ cupsd_watched_fd_t *watched_fd = userdata;
+ watched_fd->occurred |= AVAHI_WATCH_OUT;
+ for (watch = (AvahiWatch *)cupsArrayFirst(watched_fd->watches);
+ watch;
+ watch = (AvahiWatch *)cupsArrayNext(watched_fd->watches)) {
+ if (watch->events & watched_fd->occurred) {
+ (watch->callback) (watch, watched_fd->fd,
+ AVAHI_WATCH_OUT, watch->userdata);
+ watched_fd->occurred &= ~AVAHI_WATCH_OUT;
+ break;
+ }
+ }
+}
+
+
+/*
+ * 'watched_fd_add_select' - Call cupsdAddSelect() as needed
+ */
+
+static int /* O - Watches? */
+watched_fd_add_select (cupsd_watched_fd_t *watched_fd)
+{
+ AvahiWatch *watch;
+ cupsd_selfunc_t read_cb = NULL, write_cb = NULL;
+
+ for (watch = (AvahiWatch *)cupsArrayFirst(watched_fd->watches);
+ watch;
+ watch = (AvahiWatch *)cupsArrayNext(watched_fd->watches)) {
+ if (watch->events & (AVAHI_WATCH_IN |
+ AVAHI_WATCH_ERR |
+ AVAHI_WATCH_HUP)) {
+ read_cb = (cupsd_selfunc_t)watch_read_cb;
+ if (write_cb != NULL)
+ break;
+ }
+
+ if (watch->events & AVAHI_WATCH_OUT) {
+ write_cb = (cupsd_selfunc_t)watch_write_cb;
+ if (read_cb != NULL)
+ break;
+ }
+ }
+
+ if (read_cb || write_cb)
+ cupsdAddSelect (watched_fd->fd, read_cb, write_cb, watched_fd);
+ else
+ cupsdRemoveSelect (watched_fd->fd);
+
+ return (read_cb || write_cb);
+}
+
+/*
+ * 'watch_new' - Create a new file descriptor watch
+ */
+
+static AvahiWatch *
+watch_new (const AvahiPoll *api,
+ int fd,
+ AvahiWatchEvent events,
+ AvahiWatchCallback callback,
+ void *userdata)
+{
+ cupsd_watched_fd_t key, *watched_fd;
+ AvahiCupsPoll *cups_poll = api->userdata;
+ AvahiWatch *watch = malloc(sizeof(AvahiWatch));
+ if (watch == NULL)
+ return (NULL);
+
+ watch->events = events;
+ watch->callback = callback;
+ watch->userdata = userdata;
+
+ key.fd = fd;
+ watched_fd = cupsArrayFind (cups_poll->watched_fds, &key);
+ if (watched_fd == NULL) {
+ watched_fd = malloc(sizeof(cupsd_watched_fd_t));
+ if (watched_fd == NULL) {
+ free (watch);
+ return (NULL);
+ }
+
+ watched_fd->fd = fd;
+ watched_fd->occurred = 0;
+ watched_fd->cups_poll = cups_poll;
+ watched_fd->watches = cupsArrayNew ((cups_array_func_t)compare_watches,
+ NULL);
+ }
+
+ watch->watched_fd = watched_fd;
+ cupsArrayAdd(watched_fd->watches, watch);
+ watched_fd_add_select (watched_fd);
+ return (watch);
+}
+
+
+/*
+ * 'watch_free' - Free a file descriptor watch
+ */
+
+static void
+watch_free (AvahiWatch *watch)
+{
+ cupsd_watched_fd_t *watched_fd = watch->watched_fd;
+ AvahiCupsPoll *cups_poll = watched_fd->cups_poll;
+
+ cupsArrayRemove (watched_fd->watches, watch);
+ free (watch);
+
+ if (!watched_fd_add_select (watched_fd)) {
+ /* No more watches */
+ cupsArrayRemove (cups_poll->watched_fds, watched_fd);
+ free (watched_fd);
+ }
+}
+
+
+/*
+ * 'watch_update' - Update watched events for a file descriptor
+ */
+
+static void
+watch_update (AvahiWatch *watch,
+ AvahiWatchEvent events)
+{
+ watch->events = events;
+ watched_fd_add_select (watch->watched_fd);
+}
+
+
+/*
+ * 'watch_get_events' - Get events that happened for a file descriptor
+ */
+
+static AvahiWatchEvent
+watch_get_events (AvahiWatch *watch)
+{
+ return (watch->watched_fd->occurred);
+}
+
+
+/*
+ * 'compare_watches' - Compare watches for array sorting
+ */
+
+static int
+compare_watches (AvahiWatch *p0,
+ AvahiWatch *p1)
+{
+ if (p0->watched_fd->fd < p1->watched_fd->fd)
+ return (-1);
+
+ return ((p0->watched_fd->fd == p1->watched_fd->fd) ? 0 : 1);
+}
+
+
+/*
+ * 'timeout_cb()' - Run a timed Avahi callback
+ */
+
+static void
+timeout_cb (cupsd_timeout_t *cupsd_timeout, void *userdata)
+{
+ AvahiTimeout *timeout = userdata;
+ (timeout->callback) (timeout, timeout->userdata);
+}
+
+
+/*
+ * 'timeout_new' - Set a wakeup time
+ */
+
+static AvahiTimeout *
+timeout_new (const AvahiPoll *api,
+ const struct timeval *tv,
+ AvahiTimeoutCallback callback,
+ void *userdata)
+{
+ AvahiTimeout *timeout;
+ AvahiCupsPoll *cups_poll = api->userdata;
+
+ timeout = malloc(sizeof(AvahiTimeout));
+ if (timeout == NULL)
+ return (NULL);
+
+ timeout->cups_poll = cups_poll;
+ timeout->callback = callback;
+ timeout->userdata = userdata;
+ timeout->cupsd_timeout = cupsdAddTimeout (tv,
+ (cupsd_timeoutfunc_t)timeout_cb,
+ timeout);
+ cupsArrayAdd (cups_poll->timeouts, timeout);
+ return (timeout);
+}
+
+
+/*
+ * 'timeout_update' - Update the expiration time for a timeout
+ */
+
+static void
+timeout_update (AvahiTimeout *timeout,
+ const struct timeval *tv)
+{
+ cupsdUpdateTimeout (timeout->cupsd_timeout, tv);
+}
+
+
+/*
+ * ' timeout_free' - Free a timeout
+ */
+
+static void
+timeout_free (AvahiTimeout *timeout)
+{
+ cupsArrayRemove (timeout->cups_poll->timeouts, timeout);
+ cupsdRemoveTimeout (timeout->cupsd_timeout);
+ free (timeout);
+}
+
+
+/*
+ * 'compare_watched_fds' - Compare watched file descriptors for array sorting
+ */
+static int
+compare_watched_fds(cupsd_watched_fd_t *p0,
+ cupsd_watched_fd_t *p1)
+{
+ if (p0->fd != p1->fd)
+ return (p0->fd < p1->fd ? -1 : 1);
+
+ if (p0 == p1)
+ return (0);
+
+ return (p0 < p1 ? -1 : 1);
+}
+
+
+/*
+ * 'compare_timeouts' - Compare timeouts for array sorting
+ */
+static int
+compare_timeouts(AvahiTimeout *p0,
+ AvahiTimeout *p1)
+{
+ /*
+ * Just compare pointers to make it a stable sort.
+ */
+
+ if (p0->cupsd_timeout < p1->cupsd_timeout)
+ return (-1);
+ return ((p0->cupsd_timeout == p1->cupsd_timeout) ? 0 : 1);
+}
+
+
+/*
+ * 'avahi_cups_poll_new' - Create a new Avahi main loop object for CUPS
+ */
+
+AvahiCupsPoll *
+avahi_cups_poll_new (void)
+{
+ AvahiCupsPoll *cups_poll = malloc(sizeof(AvahiCupsPoll));
+ if (cups_poll == NULL)
+ return (NULL);
+
+ cups_poll->watched_fds = cupsArrayNew ((cups_array_func_t)compare_watched_fds,
+ NULL);
+ cups_poll->timeouts = cupsArrayNew ((cups_array_func_t)compare_timeouts,
+ NULL);
+
+ cups_poll->api.userdata = cups_poll;
+ cups_poll->api.watch_new = watch_new;
+ cups_poll->api.watch_free = watch_free;
+ cups_poll->api.watch_update = watch_update;
+ cups_poll->api.watch_get_events = watch_get_events;
+
+ cups_poll->api.timeout_new = timeout_new;
+ cups_poll->api.timeout_update = timeout_update;
+ cups_poll->api.timeout_free = timeout_free;
+
+ return (cups_poll);
+}
+
+
+/*
+ * 'avahi_cups_poll_free' - Free an Avahi main loop object for CUPS
+ */
+void
+avahi_cups_poll_free (AvahiCupsPoll *cups_poll)
+{
+ cupsd_watched_fd_t *watched_fd;
+
+ for (watched_fd = (cupsd_watched_fd_t*)cupsArrayFirst(cups_poll->watched_fds);
+ watched_fd;
+ watched_fd = (cupsd_watched_fd_t*)cupsArrayNext(cups_poll->watched_fds)){
+ cupsArrayClear (watched_fd->watches);
+ }
+
+ cupsArrayClear (cups_poll->watched_fds);
+ cupsArrayClear (cups_poll->timeouts);
+}
+
+
+/*
+ * 'avahi_cups_poll_get' - Get the abstract poll API structure
+ */
+
+const AvahiPoll *
+avahi_cups_poll_get (AvahiCupsPoll *cups_poll)
+{
+ return (&cups_poll->api);
+}
+
+
+#endif /* HAVE_AVAHI ... from top of file */
+
+/*
+ * End of "$Id$".
+ */
diff -up cups-1.4.6/scheduler/avahi.h.avahi cups-1.4.6/scheduler/avahi.h
--- cups-1.4.6/scheduler/avahi.h.avahi 2011-01-25 13:26:16.640115190 +0000
+++ cups-1.4.6/scheduler/avahi.h 2011-01-25 13:26:16.641115209 +0000
@@ -0,0 +1,49 @@
+/*
+ * "$Id$"
+ *
+ * Avahi poll implementation for the CUPS scheduler.
+ *
+ * Copyright (C) 2010 Red Hat, Inc.
+ * Authors:
+ * Tim Waugh <twaugh@redhat.com>
+ *
+ * Distribution and use rights are outlined in the file "LICENSE.txt"
+ * which should have been included with this file. If this file is
+ * file is missing or damaged, see the license at "http://www.cups.org/".
+ */
+
+#include <config.h>
+
+#ifdef HAVE_AVAHI
+# include <avahi-client/client.h>
+# include <avahi-client/publish.h>
+#endif /* HAVE_AVAHI */
+
+#ifdef HAVE_AUTHORIZATION_H
+# include <Security/Authorization.h>
+#endif /* HAVE_AUTHORIZATION_H */
+
+
+#ifdef HAVE_AVAHI
+typedef struct
+{
+ AvahiPoll api;
+ cups_array_t *watched_fds;
+ cups_array_t *timeouts;
+} AvahiCupsPoll;
+#endif /* HAVE_AVAHI */
+
+/*
+ * Prototypes...
+ */
+
+#ifdef HAVE_AVAHI
+extern AvahiCupsPoll * avahi_cups_poll_new(void);
+extern void avahi_cups_poll_free(AvahiCupsPoll *cups_poll);
+extern const AvahiPoll *avahi_cups_poll_get(AvahiCupsPoll *cups_poll);
+#endif /* HAVE_AVAHI */
+
+
+/*
+ * End of "$Id$".
+ */
diff -up cups-1.4.6/scheduler/cupsd.h.avahi cups-1.4.6/scheduler/cupsd.h
--- cups-1.4.6/scheduler/cupsd.h.avahi 2010-09-21 23:34:57.000000000 +0100
+++ cups-1.4.6/scheduler/cupsd.h 2011-01-25 13:26:16.641115209 +0000
@@ -147,6 +147,15 @@ extern const char *cups_hstrerror(int);
typedef void (*cupsd_selfunc_t)(void *data);
+#ifdef HAVE_AVAHI
+/*
+ * Timeout callback function type...
+ */
+
+typedef struct _cupsd_timeout_s cupsd_timeout_t;
+typedef void (*cupsd_timeoutfunc_t)(cupsd_timeout_t *timeout, void *data);
+#endif /* HAVE_AVAHI */
+
/*
* Globals...
@@ -188,6 +197,9 @@ VAR PSQUpdateQuotaProcPtr PSQUpdateQuota
/* Apple PrintService quota function */
#endif /* __APPLE__ && HAVE_DLFCN_H */
+#ifdef HAVE_AVAHI
+VAR cups_array_t *Timeouts; /* Timed callbacks for main loop */
+#endif /* HAVE_AVAHI */
@@ -240,6 +252,18 @@ extern void cupsdRemoveSelect(int fd);
extern void cupsdStartSelect(void);
extern void cupsdStopSelect(void);
+#ifdef HAVE_AVAHI
+extern void cupsdInitTimeouts(void);
+extern cupsd_timeout_t *cupsdAddTimeout (const struct timeval *tv,
+ cupsd_timeoutfunc_t cb,
+ void *data);
+extern cupsd_timeout_t *cupsdNextTimeout (long *delay);
+extern void cupsdRunTimeout (cupsd_timeout_t *timeout);
+extern void cupsdUpdateTimeout (cupsd_timeout_t *timeout,
+ const struct timeval *tv);
+extern void cupsdRemoveTimeout (cupsd_timeout_t *timeout);
+#endif /* HAVE_AVAHI */
+
extern int cupsdRemoveFile(const char *filename);
diff -up cups-1.4.6/scheduler/dirsvc.c.avahi cups-1.4.6/scheduler/dirsvc.c
--- cups-1.4.6/scheduler/dirsvc.c.avahi 2011-01-25 13:26:16.534113189 +0000
+++ cups-1.4.6/scheduler/dirsvc.c 2011-01-25 17:39:15.062315327 +0000
@@ -27,6 +27,7 @@
* ldap_connect() - Start new LDAP connection
* ldap_reconnect() - Reconnect to LDAP Server
* ldap_disconnect() - Disconnect from LDAP Server
+ * cupsdStartAvahiClient() - Start an Avahi client if needed
* cupsdStartBrowsing() - Start sending and receiving broadcast
* information.
* cupsdStartPolling() - Start polling servers as needed.
@@ -99,6 +100,13 @@
#endif /* HAVE_DNSSD */
+#ifdef HAVE_DNSSD
+typedef char *cupsd_txt_record_t;
+#endif /* HAVE_DNSSD */
+#ifdef HAVE_AVAHI
+typedef AvahiStringList *cupsd_txt_record_t;
+#endif /* HAVE_AVAHI */
+
/*
* Local functions...
*/
@@ -159,15 +167,20 @@ static void update_polling(void);
static void update_smb(int onoff);
+#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
+static cupsd_txt_record_t dnssdBuildTxtRecord(int *txt_len, cupsd_printer_t *p,
+ int for_lpd);
+static void dnssdDeregisterPrinter(cupsd_printer_t *p);
+static int dnssdComparePrinters(cupsd_printer_t *a, cupsd_printer_t *b);
+static void dnssdRegisterPrinter(cupsd_printer_t *p);
+static void dnssdStop(void);
+#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */
+
#ifdef HAVE_DNSSD
# ifdef HAVE_COREFOUNDATION
static void dnssdAddAlias(const void *key, const void *value,
void *context);
# endif /* HAVE_COREFOUNDATION */
-static char *dnssdBuildTxtRecord(int *txt_len, cupsd_printer_t *p,
- int for_lpd);
-static int dnssdComparePrinters(cupsd_printer_t *a, cupsd_printer_t *b);
-static void dnssdDeregisterPrinter(cupsd_printer_t *p);
static char *dnssdPackTxtRecord(int *txt_len, char *keyvalue[][2],
int count);
static void dnssdRegisterCallback(DNSServiceRef sdRef,
@@ -175,11 +188,20 @@ static void dnssdRegisterCallback(DNSSer
DNSServiceErrorType errorCode,
const char *name, const char *regtype,
const char *domain, void *context);
-static void dnssdRegisterPrinter(cupsd_printer_t *p);
-static void dnssdStop(void);
static void dnssdUpdate(void);
#endif /* HAVE_DNSSD */
+#ifdef HAVE_AVAHI
+static AvahiStringList *avahiPackTxtRecord(char *keyvalue[][2],
+ int count);
+static void avahi_entry_group_cb (AvahiEntryGroup *group,
+ AvahiEntryGroupState state,
+ void *userdata);
+static void avahi_client_cb (AvahiClient *client,
+ AvahiClientState state,
+ void *userdata);
+#endif /* HAVE_AVAHI */
+
#ifdef HAVE_LDAP
static const char * const ldap_attrs[] =/* CUPS LDAP attributes */
{
@@ -283,10 +305,10 @@ cupsdDeregisterPrinter(
ldap_dereg_printer(p);
#endif /* HAVE_LDAP */
-#ifdef HAVE_DNSSD
- if (removeit && (BrowseLocalProtocols & BROWSE_DNSSD) && DNSSDRef)
+#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
+ if (removeit && (BrowseLocalProtocols & BROWSE_DNSSD))
dnssdDeregisterPrinter(p);
-#endif /* HAVE_DNSSD */
+#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */
}
@@ -694,10 +716,10 @@ cupsdRegisterPrinter(cupsd_printer_t *p)
slpRegisterPrinter(p); */
#endif /* HAVE_LIBSLP */
-#ifdef HAVE_DNSSD
- if ((BrowseLocalProtocols & BROWSE_DNSSD) && DNSSDRef)
+#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
+ if ((BrowseLocalProtocols & BROWSE_DNSSD))
dnssdRegisterPrinter(p);
-#endif /* HAVE_DNSSD */
+#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */
}
@@ -1411,6 +1433,23 @@ ldap_disconnect(LDAP *ld) /* I - LDAP h
}
#endif /* HAVE_LDAP */
+#ifdef HAVE_AVAHI
+/*
+ * 'cupsdStartAvahiClient()' - Start an Avahi client if needed
+ */
+
+void
+cupsdStartAvahiClient(void) {
+ if (!AvahiCupsClient && !AvahiCupsClientConnecting)
+ {
+ if (!AvahiCupsPollHandle)
+ AvahiCupsPollHandle = avahi_cups_poll_new ();
+ if (AvahiCupsPollHandle)
+ avahi_client_new (avahi_cups_poll_get (AvahiCupsPollHandle),
+ AVAHI_CLIENT_NO_FAIL, avahi_client_cb, NULL, NULL);
+ }
+}
+#endif /* HAVE_AVAHI */
/*
* 'cupsdStartBrowsing()' - Start sending and receiving broadcast information.
@@ -1535,13 +1574,16 @@ cupsdStartBrowsing(void)
else
BrowseSocket = -1;
-#ifdef HAVE_DNSSD
+#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
if ((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_DNSSD)
{
+#ifdef HAVE_DNSSD
DNSServiceErrorType error; /* Error from service creation */
+#endif /* HAVE_DNSSD */
cupsd_listener_t *lis; /* Current listening socket */
+#ifdef HAVE_DNSSD
/*
* First create a "master" connection for all registrations...
*/
@@ -1566,6 +1608,7 @@ cupsdStartBrowsing(void)
fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC);
cupsdAddSelect(fd, (cupsd_selfunc_t)dnssdUpdate, NULL, NULL);
+#endif /* HAVE_DNSSD */
/*
* Then get the port we use for registrations. If we are not listening
@@ -1607,9 +1650,16 @@ cupsdStartBrowsing(void)
*/
cupsdUpdateDNSSDName();
+#ifdef HAVE_DNSSD
}
- }
#endif /* HAVE_DNSSD */
+ }
+#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */
+
+#ifdef HAVE_AVAHI
+ if ((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_DNSSD)
+ cupsdStartAvahiClient();
+#endif /* HAVE_AVAHI */
#ifdef HAVE_LIBSLP
if ((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_SLP)
@@ -1835,10 +1885,10 @@ cupsdStopBrowsing(void)
BrowseSocket = -1;
}
-#ifdef HAVE_DNSSD
- if ((BrowseLocalProtocols & BROWSE_DNSSD) && DNSSDRef)
+#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
+ if ((BrowseLocalProtocols & BROWSE_DNSSD))
dnssdStop();
-#endif /* HAVE_DNSSD */
+#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */
#ifdef HAVE_LIBSLP
if (((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_SLP) &&
@@ -1903,7 +1953,7 @@ cupsdStopPolling(void)
}
-#ifdef HAVE_DNSSD
+#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
/*
* 'cupsdUpdateDNSSDName()' - Update the computer name we use for browsing...
*/
@@ -1911,7 +1961,12 @@ cupsdStopPolling(void)
void
cupsdUpdateDNSSDName(void)
{
+#ifdef HAVE_DNSSD
DNSServiceErrorType error; /* Error from service creation */
+#endif /* HAVE_DNSSD */
+#ifdef HAVE_AVAHI
+ int ret; /* Error from service creation */
+#endif /* HAVE_AVAHI */
char webif[1024]; /* Web interface share name */
#ifdef HAVE_COREFOUNDATION_H
SCDynamicStoreRef sc; /* Context for dynamic store */
@@ -2043,6 +2098,7 @@ cupsdUpdateDNSSDName(void)
else
strlcpy(webif, "CUPS Web Interface", sizeof(webif));
+#ifdef HAVE_DNSSD
if (WebIFRef)
DNSServiceRefDeallocate(WebIFRef);
@@ -2055,6 +2111,42 @@ cupsdUpdateDNSSDName(void)
NULL)) != kDNSServiceErr_NoError)
cupsdLogMessage(CUPSD_LOG_ERROR,
"DNS-SD web interface registration failed: %d", error);
+#endif /* HAVE_DNSSD */
+
+#ifdef HAVE_AVAHI
+ if (!AvahiCupsClient)
+ /*
+ * Client not yet running.
+ */
+ return;
+
+ if (AvahiWebIFGroup)
+ avahi_entry_group_reset (AvahiWebIFGroup);
+ else
+ AvahiWebIFGroup = avahi_entry_group_new (AvahiCupsClient,
+ avahi_entry_group_cb,
+ NULL);
+
+ if (AvahiWebIFGroup)
+ {
+ ret = avahi_entry_group_add_service (AvahiWebIFGroup,
+ AVAHI_IF_UNSPEC,
+ AVAHI_PROTO_UNSPEC,
+ 0, /* flags */
+ webif, /* name */
+ "_http._tcp", /* type */
+ NULL, /* domain */
+ NULL, /* host */
+ htons(DNSSDPort), /* port */
+ "path=/", NULL);
+ if (ret == 0)
+ ret = avahi_entry_group_commit (AvahiWebIFGroup);
+
+ if (ret != 0)
+ cupsdLogMessage (CUPSD_LOG_ERROR,
+ "Avahi web interface registration failed: %d", ret);
+ }
+#endif /* HAVE_AVAHI */
}
}
#endif /* HAVE_DNSSD */
@@ -2300,162 +2392,7 @@ dequote(char *d, /* I - Destinat
}
-#ifdef HAVE_DNSSD
-# ifdef HAVE_COREFOUNDATION
-/*
- * 'dnssdAddAlias()' - Add a DNS-SD alias name.
- */
-
-static void
-dnssdAddAlias(const void *key, /* I - Key */
- const void *value, /* I - Value (domain) */
- void *context) /* I - Unused */
-{
- char valueStr[1024], /* Domain string */
- hostname[1024]; /* Complete hostname */
-
-
- (void)context;
-
- if (CFGetTypeID((CFStringRef)value) == CFStringGetTypeID() &&
- CFStringGetCString((CFStringRef)value, valueStr, sizeof(valueStr),
- kCFStringEncodingUTF8))
- {
- snprintf(hostname, sizeof(hostname), "%s.%s", DNSSDHostName, valueStr);
- if (!DNSSDAlias)
- DNSSDAlias = cupsArrayNew(NULL, NULL);
-
- cupsdAddAlias(DNSSDAlias, hostname);
- cupsdLogMessage(CUPSD_LOG_DEBUG, "Added Back to My Mac ServerAlias %s",
- hostname);
- }
- else
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "Bad Back to My Mac domain in dynamic store!");
-}
-# endif /* HAVE_COREFOUNDATION */
-
-
-/*
- * 'dnssdBuildTxtRecord()' - Build a TXT record from printer info.
- */
-
-static char * /* O - TXT record */
-dnssdBuildTxtRecord(
- int *txt_len, /* O - TXT record length */
- cupsd_printer_t *p, /* I - Printer information */
- int for_lpd) /* I - 1 = LPD, 0 = IPP */
-{
- int i; /* Looping var */
- char adminurl_str[256], /* URL for th admin page */
- type_str[32], /* Type to string buffer */
- state_str[32], /* State to string buffer */
- rp_str[1024], /* Queue name string buffer */
- air_str[1024], /* auth-info-required string buffer */
- *keyvalue[32][2]; /* Table of key/value pairs */
-
-
- /*
- * Load up the key value pairs...
- */
-
- i = 0;
-
- keyvalue[i ][0] = "txtvers";
- keyvalue[i++][1] = "1";
-
- keyvalue[i ][0] = "qtotal";
- keyvalue[i++][1] = "1";
-
- keyvalue[i ][0] = "rp";
- keyvalue[i++][1] = rp_str;
- if (for_lpd)
- strlcpy(rp_str, p->name, sizeof(rp_str));
- else
- snprintf(rp_str, sizeof(rp_str), "%s/%s",
- (p->type & CUPS_PRINTER_CLASS) ? "classes" : "printers", p->name);
-
- keyvalue[i ][0] = "ty";
- keyvalue[i++][1] = p->make_model ? p->make_model : "Unknown";
-
- httpAssembleURIf(HTTP_URI_CODING_ALL, adminurl_str, sizeof(adminurl_str),
- "http", NULL, DNSSDHostName, DNSSDPort, "/%s/%s",
- (p->type & CUPS_PRINTER_CLASS) ? "classes" : "printers",
- p->name);
- keyvalue[i ][0] = "adminurl";
- keyvalue[i++][1] = adminurl_str;
-
- keyvalue[i ][0] = "note";
- keyvalue[i++][1] = p->location ? p->location : "";
-
- keyvalue[i ][0] = "priority";
- keyvalue[i++][1] = for_lpd ? "100" : "0";
-
- keyvalue[i ][0] = "product";
- keyvalue[i++][1] = p->product ? p->product : "Unknown";
-
- snprintf(type_str, sizeof(type_str), "0x%X", p->type | CUPS_PRINTER_REMOTE);
- snprintf(state_str, sizeof(state_str), "%d", p->state);
-
- keyvalue[i ][0] = "printer-state";
- keyvalue[i++][1] = state_str;
-
- keyvalue[i ][0] = "printer-type";
- keyvalue[i++][1] = type_str;
-
- keyvalue[i ][0] = "Transparent";
- keyvalue[i++][1] = "T";
-
- keyvalue[i ][0] = "Binary";
- keyvalue[i++][1] = "T";
-
- keyvalue[i ][0] = "Fax";
- keyvalue[i++][1] = (p->type & CUPS_PRINTER_FAX) ? "T" : "F";
-
- keyvalue[i ][0] = "Color";
- keyvalue[i++][1] = (p->type & CUPS_PRINTER_COLOR) ? "T" : "F";
-
- keyvalue[i ][0] = "Duplex";
- keyvalue[i++][1] = (p->type & CUPS_PRINTER_DUPLEX) ? "T" : "F";
-
- keyvalue[i ][0] = "Staple";
- keyvalue[i++][1] = (p->type & CUPS_PRINTER_STAPLE) ? "T" : "F";
-
- keyvalue[i ][0] = "Copies";
- keyvalue[i++][1] = (p->type & CUPS_PRINTER_COPIES) ? "T" : "F";
-
- keyvalue[i ][0] = "Collate";
- keyvalue[i++][1] = (p->type & CUPS_PRINTER_COLLATE) ? "T" : "F";
-
- keyvalue[i ][0] = "Punch";
- keyvalue[i++][1] = (p->type & CUPS_PRINTER_PUNCH) ? "T" : "F";
-
- keyvalue[i ][0] = "Bind";
- keyvalue[i++][1] = (p->type & CUPS_PRINTER_BIND) ? "T" : "F";
-
- keyvalue[i ][0] = "Sort";
- keyvalue[i++][1] = (p->type & CUPS_PRINTER_SORT) ? "T" : "F";
-
- keyvalue[i ][0] = "Scan";
- keyvalue[i++][1] = (p->type & CUPS_PRINTER_MFP) ? "T" : "F";
-
- keyvalue[i ][0] = "pdl";
- keyvalue[i++][1] = p->pdl ? p->pdl : "application/postscript";
-
- if (get_auth_info_required(p, air_str, sizeof(air_str)))
- {
- keyvalue[i ][0] = "air";
- keyvalue[i++][1] = air_str;
- }
-
- /*
- * Then pack them into a proper txt record...
- */
-
- return (dnssdPackTxtRecord(txt_len, keyvalue, i));
-}
-
-
+#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
/*
* 'dnssdComparePrinters()' - Compare the registered names of two printers.
*/
@@ -2464,7 +2401,16 @@ static int /* O - Result of compariso
dnssdComparePrinters(cupsd_printer_t *a,/* I - First printer */
cupsd_printer_t *b)/* I - Second printer */
{
- return (strcasecmp(a->reg_name, b->reg_name));
+ if (!a->reg_name)
+ if (!b->reg_name)
+ return 0;
+ else
+ return -1;
+ else
+ if (!b->reg_name)
+ return 1;
+ else
+ return (strcasecmp(a->reg_name, b->reg_name));
}
@@ -2479,6 +2425,10 @@ dnssdDeregisterPrinter(
{
cupsdLogMessage(CUPSD_LOG_DEBUG2, "dnssdDeregisterPrinter(%s)", p->name);
+#ifdef HAVE_DNSSD
+ if (!DNSSDRef)
+ return;
+
/*
* Closing the socket deregisters the service
*/
@@ -2514,6 +2464,23 @@ dnssdDeregisterPrinter(
free(p->printer_txt);
p->printer_txt = NULL;
}
+#endif /* HAVE_DNSSD */
+#ifdef HAVE_AVAHI
+ if (p->avahi_group)
+ {
+ avahi_entry_group_reset (p->avahi_group);
+ avahi_entry_group_free (p->avahi_group);
+ p->avahi_group = NULL;
+
+ if (p->ipp_txt)
+ avahi_string_list_free (p->ipp_txt);
+
+ if (p->printer_txt)
+ avahi_string_list_free (p->printer_txt);
+
+ p->ipp_txt = p->printer_txt = NULL;
+ }
+#endif /* HAVE_AVAHI */
/*
* Remove the printer from the array of DNS-SD printers, then clear the
@@ -2526,133 +2493,46 @@ dnssdDeregisterPrinter(
/*
- * 'dnssdPackTxtRecord()' - Pack an array of key/value pairs into the
- * TXT record format.
+ * 'dnssdRegisterPrinter()' - Start sending broadcast information for a printer
+ * or update the broadcast contents.
*/
-static char * /* O - TXT record */
-dnssdPackTxtRecord(int *txt_len, /* O - TXT record length */
- char *keyvalue[][2], /* I - Table of key value pairs */
- int count) /* I - Items in table */
+static void
+dnssdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
{
- int i; /* Looping var */
- int length; /* Length of TXT record */
- int length2; /* Length of value */
- char *txtRecord; /* TXT record buffer */
- char *cursor; /* Looping pointer */
+#ifdef HAVE_DNSSD
+ DNSServiceErrorType se; /* dnssd errors */
+ char *ipp_txt, /* IPP TXT record buffer */
+ *printer_txt, /* LPD TXT record buffer */
+ *nameptr; /* Pointer into name */
+ int ipp_len, /* IPP TXT record length */
+ printer_len; /* LPD TXT record length */
+#endif /* HAVE_DNSSD */
+#ifdef HAVE_AVAHI
+ int ret; /* Error code */
+ AvahiStringList *ipp_txt, /* IPP TXT record list */
+ *printer_txt; /* LPD TXT record buffer */
+#endif /* HAVE_AVAHI */
+ char name[1024]; /* Service name */
+ const char *regtype; /* Registration type */
- /*
- * Calculate the buffer size
- */
+#ifdef HAVE_DNSSD
+ if (!DNSSDRef)
+ return;
- for (length = i = 0; i < count; i++)
- length += 1 + strlen(keyvalue[i][0]) +
- (keyvalue[i][1] ? 1 + strlen(keyvalue[i][1]) : 0);
+ cupsdLogMessage(CUPSD_LOG_DEBUG2, "dnssdRegisterPrinter(%s) %s", p->name,
+ !p->ipp_ref ? "new" : "update");
+
+#endif /* HAVE_DNSSD */
+#ifdef HAVE_AVAHI
+ cupsdLogMessage(CUPSD_LOG_DEBUG2, "dnssdRegisterPrinter(%s) %s", p->name,
+ !p->avahi_group ? "new" : "update");
+#endif /* HAVE_AVAHI */
/*
- * Allocate and fill it
- */
-
- txtRecord = malloc(length);
- if (txtRecord)
- {
- *txt_len = length;
-
- for (cursor = txtRecord, i = 0; i < count; i++)
- {
- /*
- * Drop in the p-string style length byte followed by the data
- */
-
- length = strlen(keyvalue[i][0]);
- length2 = keyvalue[i][1] ? 1 + strlen(keyvalue[i][1]) : 0;
-
- *cursor++ = (unsigned char)(length + length2);
-
- memcpy(cursor, keyvalue[i][0], length);
- cursor += length;
-
- if (length2)
- {
- length2 --;
- *cursor++ = '=';
- memcpy(cursor, keyvalue[i][1], length2);
- cursor += length2;
- }
- }
- }
-
- return (txtRecord);
-}
-
-
-/*
- * 'dnssdRegisterCallback()' - DNSServiceRegister callback.
- */
-
-static void
-dnssdRegisterCallback(
- DNSServiceRef sdRef, /* I - DNS Service reference */
- DNSServiceFlags flags, /* I - Reserved for future use */
- DNSServiceErrorType errorCode, /* I - Error code */
- const char *name, /* I - Service name */
- const char *regtype, /* I - Service type */
- const char *domain, /* I - Domain. ".local" for now */
- void *context) /* I - User-defined context */
-{
- cupsd_printer_t *p = (cupsd_printer_t *)context;
- /* Current printer */
-
-
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "dnssdRegisterCallback(%s, %s) for %s (%s)",
- name, regtype, p ? p->name : "Web Interface",
- p ? (p->reg_name ? p->reg_name : "(null)") : "NA");
-
- if (errorCode)
- {
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "DNSServiceRegister failed with error %d", (int)errorCode);
- return;
- }
- else if (p && (!p->reg_name || strcasecmp(name, p->reg_name)))
- {
- cupsdLogMessage(CUPSD_LOG_INFO, "Using service name \"%s\" for \"%s\"",
- name, p->name);
-
- cupsArrayRemove(DNSSDPrinters, p);
- cupsdSetString(&p->reg_name, name);
- cupsArrayAdd(DNSSDPrinters, p);
-
- LastEvent |= CUPSD_EVENT_PRINTER_MODIFIED;
- }
-}
-
-
-/*
- * 'dnssdRegisterPrinter()' - Start sending broadcast information for a printer
- * or update the broadcast contents.
- */
-
-static void
-dnssdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
-{
- DNSServiceErrorType se; /* dnssd errors */
- char *ipp_txt, /* IPP TXT record buffer */
- *printer_txt, /* LPD TXT record buffer */
- name[1024], /* Service name */
- *nameptr; /* Pointer into name */
- int ipp_len, /* IPP TXT record length */
- printer_len; /* LPD TXT record length */
- const char *regtype; /* Registration type */
-
-
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "dnssdRegisterPrinter(%s) %s", p->name,
- !p->ipp_ref ? "new" : "update");
-
- /*
- * If per-printer sharing was just disabled make sure we're not
- * registered before returning.
+ * If per-printer sharing was just disabled make sure we're not
+ * registered before returning.
*/
if (!p->shared)
@@ -2694,6 +2574,7 @@ dnssdRegisterPrinter(cupsd_printer_t *p)
* Register IPP and (optionally) LPD...
*/
+#ifdef HAVE_DNSSD
ipp_len = 0; /* anti-compiler-warning-code */
ipp_txt = dnssdBuildTxtRecord(&ipp_len, p, 0);
@@ -2860,6 +2741,146 @@ dnssdRegisterPrinter(cupsd_printer_t *p)
if (printer_txt)
free(printer_txt);
}
+#endif /* HAVE_DNSSD */
+#ifdef HAVE_AVAHI
+ if (!AvahiCupsClient)
+ /*
+ * Client not running yet. The client callback will call us again later.
+ */
+ return;
+
+ ipp_txt = dnssdBuildTxtRecord(NULL, p, 0);
+ printer_txt = dnssdBuildTxtRecord(NULL, p, 1);
+ regtype = (p->type & CUPS_PRINTER_FAX) ? "_fax-ipp._tcp" : "_ipp._tcp";
+
+ if (p->avahi_group && p->ipp_txt && ipp_txt &&
+ !avahi_string_list_equal (p->ipp_txt, ipp_txt))
+ {
+ /*
+ * Update the existing registration...
+ */
+
+ avahi_string_list_free (p->ipp_txt);
+
+ if (p->printer_txt)
+ avahi_string_list_free (p->printer_txt);
+
+ ret = avahi_entry_group_update_service_txt_strlst (p->avahi_group,
+ AVAHI_IF_UNSPEC,
+ AVAHI_PROTO_UNSPEC,
+ 0, name, regtype, NULL,
+ ipp_txt);
+ if (ret < 0)
+ goto update_failed;
+
+ p->ipp_txt = ipp_txt;
+ ipp_txt = NULL;
+
+ if (BrowseLocalProtocols & BROWSE_LPD)
+ {
+ ret = avahi_entry_group_update_service_txt_strlst (p->avahi_group,
+ AVAHI_IF_UNSPEC,
+ AVAHI_PROTO_UNSPEC,
+ 0, name,
+ "_printer._tcp", NULL,
+ printer_txt);
+
+ if (ret < 0)
+ goto update_failed;
+
+ p->printer_txt = printer_txt;
+ printer_txt = NULL;
+ }
+
+ ret = avahi_entry_group_commit (p->avahi_group);
+ if (ret < 0)
+ {
+ update_failed:
+ cupsdLogMessage (CUPSD_LOG_ERROR,
+ "Failed to update TXT record for %s: %d",
+ name, ret);
+ avahi_entry_group_reset (p->avahi_group);
+ avahi_entry_group_free (p->avahi_group);
+ p->avahi_group = NULL;
+ ipp_txt = p->ipp_txt;
+ p->ipp_txt = NULL;
+ }
+ }
+
+ if (!p->avahi_group)
+ {
+ /*
+ * Initial registration. Use the _fax subtype for fax queues...
+ */
+
+ p->avahi_group = avahi_entry_group_new (AvahiCupsClient,
+ avahi_entry_group_cb,
+ p);
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "Registering Avahi printer %s with name \"%s\" and "
+ "type \"%s\"", p->name, name, regtype);
+
+ if (!p->avahi_group)
+ goto add_failed;
+
+ ret = avahi_entry_group_add_service_strlst (p->avahi_group,
+ AVAHI_IF_UNSPEC,
+ AVAHI_PROTO_UNSPEC,
+ 0, name, regtype, NULL, NULL,
+ htons(DNSSDPort),
+ ipp_txt);
+ if (ret < 0)
+ goto add_failed;
+
+ p->ipp_txt = ipp_txt;
+ ipp_txt = NULL;
+
+ if (BrowseLocalProtocols & BROWSE_LPD)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "Registering Avahi printer %s with name \"%s\" and "
+ "type \"_printer._tcp\"", p->name, name);
+
+ ret = avahi_entry_group_add_service_strlst (p->avahi_group,
+ AVAHI_IF_UNSPEC,
+ AVAHI_PROTO_UNSPEC,
+ 0, name,
+ "_printer._tcp", NULL, NULL,
+ htons(515),
+ printer_txt);
+ if (ret < 0)
+ goto add_failed;
+
+ p->printer_txt = printer_txt;
+ printer_txt = NULL;
+ }
+
+ ret = avahi_entry_group_commit (p->avahi_group);
+
+ if (ret < 0)
+ {
+ add_failed:
+ cupsdLogMessage (CUPSD_LOG_ERROR,
+ "Failed to add Avahi entry for %s: %d",
+ name, ret);
+ if (p->avahi_group)
+ {
+ avahi_entry_group_reset (p->avahi_group);
+ avahi_entry_group_free (p->avahi_group);
+ p->avahi_group = NULL;
+ }
+ ipp_txt = p->ipp_txt;
+ p->ipp_txt = NULL;
+ }
+ }
+
+ if (ipp_txt)
+ avahi_string_list_free (ipp_txt);
+
+ if (printer_txt)
+ avahi_string_list_free (printer_txt);
+#endif /* HAVE_AVAHI */
}
@@ -2872,6 +2893,10 @@ dnssdStop(void)
{
cupsd_printer_t *p; /* Current printer */
+#ifdef HAVE_DNSSD
+ if (!DNSSDRef)
+ return;
+#endif /* HAVE_DNSSD */
/*
* De-register the individual printers
@@ -2882,6 +2907,7 @@ dnssdStop(void)
p = (cupsd_printer_t *)cupsArrayNext(Printers))
dnssdDeregisterPrinter(p);
+#ifdef HAVE_DNSSD
/*
* Shutdown the rest of the service refs...
*/
@@ -2902,6 +2928,7 @@ dnssdStop(void)
DNSServiceRefDeallocate(DNSSDRef);
DNSSDRef = NULL;
+#endif /* HAVE_DNSSD */
cupsArrayDelete(DNSSDPrinters);
DNSSDPrinters = NULL;
@@ -2911,6 +2938,272 @@ dnssdStop(void)
/*
+ * 'dnssdBuildTxtRecord()' - Build a TXT record from printer info.
+ */
+
+static cupsd_txt_record_t /* O - TXT record */
+dnssdBuildTxtRecord(
+ int *txt_len, /* O - TXT record length */
+ cupsd_printer_t *p, /* I - Printer information */
+ int for_lpd) /* I - 1 = LPD, 0 = IPP */
+{
+ int i; /* Looping var */
+ char adminurl_str[256], /* URL for th admin page */
+ type_str[32], /* Type to string buffer */
+ state_str[32], /* State to string buffer */
+ rp_str[1024], /* Queue name string buffer */
+ air_str[1024], /* auth-info-required string buffer */
+ *keyvalue[32][2]; /* Table of key/value pairs */
+
+
+ /*
+ * Load up the key value pairs...
+ */
+
+ i = 0;
+
+ keyvalue[i ][0] = "txtvers";
+ keyvalue[i++][1] = "1";
+
+ keyvalue[i ][0] = "qtotal";
+ keyvalue[i++][1] = "1";
+
+ keyvalue[i ][0] = "rp";
+ keyvalue[i++][1] = rp_str;
+ if (for_lpd)
+ strlcpy(rp_str, p->name, sizeof(rp_str));
+ else
+ snprintf(rp_str, sizeof(rp_str), "%s/%s",
+ (p->type & CUPS_PRINTER_CLASS) ? "classes" : "printers", p->name);
+
+ keyvalue[i ][0] = "ty";
+ keyvalue[i++][1] = p->make_model ? p->make_model : "Unknown";
+
+ httpAssembleURIf(HTTP_URI_CODING_ALL, adminurl_str, sizeof(adminurl_str),
+ "http", NULL, DNSSDHostName, DNSSDPort, "/%s/%s",
+ (p->type & CUPS_PRINTER_CLASS) ? "classes" : "printers",
+ p->name);
+ keyvalue[i ][0] = "adminurl";
+ keyvalue[i++][1] = adminurl_str;
+
+ keyvalue[i ][0] = "note";
+ keyvalue[i++][1] = p->location ? p->location : "";
+
+ keyvalue[i ][0] = "priority";
+ keyvalue[i++][1] = for_lpd ? "100" : "0";
+
+ keyvalue[i ][0] = "product";
+ keyvalue[i++][1] = p->product ? p->product : "Unknown";
+
+ snprintf(type_str, sizeof(type_str), "0x%X", p->type | CUPS_PRINTER_REMOTE);
+ snprintf(state_str, sizeof(state_str), "%d", p->state);
+
+ keyvalue[i ][0] = "printer-state";
+ keyvalue[i++][1] = state_str;
+
+ keyvalue[i ][0] = "printer-type";
+ keyvalue[i++][1] = type_str;
+
+ keyvalue[i ][0] = "Transparent";
+ keyvalue[i++][1] = "T";
+
+ keyvalue[i ][0] = "Binary";
+ keyvalue[i++][1] = "T";
+
+ keyvalue[i ][0] = "Fax";
+ keyvalue[i++][1] = (p->type & CUPS_PRINTER_FAX) ? "T" : "F";
+
+ keyvalue[i ][0] = "Color";
+ keyvalue[i++][1] = (p->type & CUPS_PRINTER_COLOR) ? "T" : "F";
+
+ keyvalue[i ][0] = "Duplex";
+ keyvalue[i++][1] = (p->type & CUPS_PRINTER_DUPLEX) ? "T" : "F";
+
+ keyvalue[i ][0] = "Staple";
+ keyvalue[i++][1] = (p->type & CUPS_PRINTER_STAPLE) ? "T" : "F";
+
+ keyvalue[i ][0] = "Copies";
+ keyvalue[i++][1] = (p->type & CUPS_PRINTER_COPIES) ? "T" : "F";
+
+ keyvalue[i ][0] = "Collate";
+ keyvalue[i++][1] = (p->type & CUPS_PRINTER_COLLATE) ? "T" : "F";
+
+ keyvalue[i ][0] = "Punch";
+ keyvalue[i++][1] = (p->type & CUPS_PRINTER_PUNCH) ? "T" : "F";
+
+ keyvalue[i ][0] = "Bind";
+ keyvalue[i++][1] = (p->type & CUPS_PRINTER_BIND) ? "T" : "F";
+
+ keyvalue[i ][0] = "Sort";
+ keyvalue[i++][1] = (p->type & CUPS_PRINTER_SORT) ? "T" : "F";
+
+ keyvalue[i ][0] = "Scan";
+ keyvalue[i++][1] = (p->type & CUPS_PRINTER_MFP) ? "T" : "F";
+
+ keyvalue[i ][0] = "pdl";
+ keyvalue[i++][1] = p->pdl ? p->pdl : "application/postscript";
+
+ if (get_auth_info_required(p, air_str, sizeof(air_str)))
+ {
+ keyvalue[i ][0] = "air";
+ keyvalue[i++][1] = air_str;
+ }
+
+ /*
+ * Then pack them into a proper txt record...
+ */
+
+#ifdef HAVE_DNSSD
+ return (dnssdPackTxtRecord(txt_len, keyvalue, i));
+#endif /* HAVE_DNSSD */
+#ifdef HAVE_AVAHI
+ return (avahiPackTxtRecord(keyvalue, i));
+#endif /* HAVE_AVAHI */
+}
+#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */
+
+
+#ifdef HAVE_DNSSD
+# ifdef HAVE_COREFOUNDATION
+/*
+ * 'dnssdAddAlias()' - Add a DNS-SD alias name.
+ */
+
+static void
+dnssdAddAlias(const void *key, /* I - Key */
+ const void *value, /* I - Value (domain) */
+ void *context) /* I - Unused */
+{
+ char valueStr[1024], /* Domain string */
+ hostname[1024]; /* Complete hostname */
+
+
+ (void)context;
+
+ if (CFGetTypeID((CFStringRef)value) == CFStringGetTypeID() &&
+ CFStringGetCString((CFStringRef)value, valueStr, sizeof(valueStr),
+ kCFStringEncodingUTF8))
+ {
+ snprintf(hostname, sizeof(hostname), "%s.%s", DNSSDHostName, valueStr);
+ if (!DNSSDAlias)
+ DNSSDAlias = cupsArrayNew(NULL, NULL);
+
+ cupsdAddAlias(DNSSDAlias, hostname);
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Added Back to My Mac ServerAlias %s",
+ hostname);
+ }
+ else
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Bad Back to My Mac domain in dynamic store!");
+}
+# endif /* HAVE_COREFOUNDATION */
+
+
+/*
+ * 'dnssdPackTxtRecord()' - Pack an array of key/value pairs into the
+ * TXT record format.
+ */
+
+static char * /* O - TXT record */
+dnssdPackTxtRecord(int *txt_len, /* O - TXT record length */
+ char *keyvalue[][2], /* I - Table of key value pairs */
+ int count) /* I - Items in table */
+{
+ int i; /* Looping var */
+ int length; /* Length of TXT record */
+ int length2; /* Length of value */
+ char *txtRecord; /* TXT record buffer */
+ char *cursor; /* Looping pointer */
+
+
+ /*
+ * Calculate the buffer size
+ */
+
+ for (length = i = 0; i < count; i++)
+ length += 1 + strlen(keyvalue[i][0]) +
+ (keyvalue[i][1] ? 1 + strlen(keyvalue[i][1]) : 0);
+
+ /*
+ * Allocate and fill it
+ */
+
+ txtRecord = malloc(length);
+ if (txtRecord)
+ {
+ *txt_len = length;
+
+ for (cursor = txtRecord, i = 0; i < count; i++)
+ {
+ /*
+ * Drop in the p-string style length byte followed by the data
+ */
+
+ length = strlen(keyvalue[i][0]);
+ length2 = keyvalue[i][1] ? 1 + strlen(keyvalue[i][1]) : 0;
+
+ *cursor++ = (unsigned char)(length + length2);
+
+ memcpy(cursor, keyvalue[i][0], length);
+ cursor += length;
+
+ if (length2)
+ {
+ length2 --;
+ *cursor++ = '=';
+ memcpy(cursor, keyvalue[i][1], length2);
+ cursor += length2;
+ }
+ }
+ }
+
+ return (txtRecord);
+}
+
+
+/*
+ * 'dnssdRegisterCallback()' - DNSServiceRegister callback.
+ */
+
+static void
+dnssdRegisterCallback(
+ DNSServiceRef sdRef, /* I - DNS Service reference */
+ DNSServiceFlags flags, /* I - Reserved for future use */
+ DNSServiceErrorType errorCode, /* I - Error code */
+ const char *name, /* I - Service name */
+ const char *regtype, /* I - Service type */
+ const char *domain, /* I - Domain. ".local" for now */
+ void *context) /* I - User-defined context */
+{
+ cupsd_printer_t *p = (cupsd_printer_t *)context;
+ /* Current printer */
+
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG2, "dnssdRegisterCallback(%s, %s) for %s (%s)",
+ name, regtype, p ? p->name : "Web Interface",
+ p ? (p->reg_name ? p->reg_name : "(null)") : "NA");
+
+ if (errorCode)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "DNSServiceRegister failed with error %d", (int)errorCode);
+ return;
+ }
+ else if (p && (!p->reg_name || strcasecmp(name, p->reg_name)))
+ {
+ cupsdLogMessage(CUPSD_LOG_INFO, "Using service name \"%s\" for \"%s\"",
+ name, p->name);
+
+ cupsArrayRemove(DNSSDPrinters, p);
+ cupsdSetString(&p->reg_name, name);
+ cupsArrayAdd(DNSSDPrinters, p);
+
+ LastEvent |= CUPSD_EVENT_PRINTER_MODIFIED;
+ }
+}
+
+
+/*
* 'dnssdUpdate()' - Handle DNS-SD queries.
*/
@@ -2931,6 +3224,146 @@ dnssdUpdate(void)
#endif /* HAVE_DNSSD */
+#ifdef HAVE_AVAHI
+/*
+ * 'avahiPackTxtRecord()' - Pack an array of key/value pairs into an
+ * AvahiStringList.
+ */
+
+static AvahiStringList * /* O - new string list */
+avahiPackTxtRecord(char *keyvalue[][2], /* I - Table of key value pairs */
+ int count) /* I - Items in table */
+{
+ AvahiStringList *strlst = NULL;
+ char **elements;
+ size_t len;
+ int i = 0;
+
+ elements = malloc ((1 + count) * sizeof (char *));
+ if (!elements)
+ goto cleanup;
+
+ for (i = 0; i < count; i++)
+ {
+ len = (1 + strlen (keyvalue[i][0]) +
+ (keyvalue[i][1] ? 1 + strlen (keyvalue[i][1]) : 1));
+ elements[i] = malloc (len * sizeof (char));
+ if (!elements[i])
+ goto cleanup;
+
+ snprintf (elements[i], len, "%s=%s", keyvalue[i][0], keyvalue[i][1]);
+ }
+
+ strlst = avahi_string_list_new_from_array ((const char **) elements, count);
+
+cleanup:
+ while (--i >= 0)
+ free (elements[i]);
+
+ free (elements);
+ return (strlst);
+}
+
+
+/*
+ * 'avahi_entry_group_cb()' - Avahi entry group callback function.
+ */
+static void
+avahi_entry_group_cb (AvahiEntryGroup *group,
+ AvahiEntryGroupState state,
+ void *userdata)
+{
+ char *name;
+
+ if (userdata)
+ name = ((cupsd_printer_t *) userdata)->reg_name;
+ else
+ name = "CUPS web interface";
+
+ switch (state)
+ {
+ case AVAHI_ENTRY_GROUP_UNCOMMITED:
+ case AVAHI_ENTRY_GROUP_REGISTERING:
+ break;
+
+ case AVAHI_ENTRY_GROUP_ESTABLISHED:
+ cupsdLogMessage (CUPSD_LOG_DEBUG,
+ "Avahi entry group established for %s", name);
+ break;
+
+ default:
+ cupsdLogMessage (CUPSD_LOG_DEBUG,
+ "Avahi entry group %s has state %d",
+ name, state);
+ break;
+ }
+}
+
+/*
+ * 'avahi_client_cb()' - Avahi client callback function.
+ */
+static void
+avahi_client_cb (AvahiClient *client,
+ AvahiClientState state,
+ void *userdata)
+{
+ cupsd_printer_t *printer;
+ switch (state)
+ {
+ case AVAHI_CLIENT_S_RUNNING:
+ /*
+ * Avahi client started successfully.
+ */
+ AvahiCupsClient = client;
+ AvahiCupsClientConnecting = 0;
+ cupsdLogMessage (CUPSD_LOG_DEBUG, "Avahi client started");
+
+ cupsdUpdateDNSSDName ();
+
+ for (printer = (cupsd_printer_t *)cupsArrayFirst(Printers);
+ printer;
+ printer = (cupsd_printer_t *)cupsArrayNext(Printers))
+ if (Browsing && (BrowseLocalProtocols & BROWSE_DNSSD) &&
+ (!(printer->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT |
+ CUPS_PRINTER_SCANNER))) && printer->shared)
+ dnssdRegisterPrinter (printer);
+
+ break;
+
+ case AVAHI_CLIENT_CONNECTING:
+ /*
+ * No Avahi daemon, client is waiting.
+ */
+ AvahiCupsClientConnecting = 1;
+ cupsdLogMessage (CUPSD_LOG_DEBUG, "Avahi client connecting");
+ break;
+
+ case AVAHI_CLIENT_FAILURE:
+ /*
+ * Avahi client failed, close it to allow a clean restart.
+ */
+ cupsdLogMessage (CUPSD_LOG_ERROR,
+ "Avahi client failed, "
+ "closing client to allow a clean restart");
+
+ for (printer = (cupsd_printer_t *)cupsArrayFirst(Printers);
+ printer;
+ printer = (cupsd_printer_t *)cupsArrayNext(Printers))
+ dnssdDeregisterPrinter (printer);
+
+ avahi_client_free(client);
+ AvahiCupsClientConnecting = 0;
+ AvahiCupsClient = NULL;
+
+ break;
+
+ default:
+ cupsdLogMessage (CUPSD_LOG_DEBUG, "Avahi client state: %d", state);
+ }
+}
+#endif /* HAVE_AVAHI */
+
+
/*
* 'get_auth_info_required()' - Get the auth-info-required value to advertise.
*/
diff -up cups-1.4.6/scheduler/dirsvc.h.avahi cups-1.4.6/scheduler/dirsvc.h
--- cups-1.4.6/scheduler/dirsvc.h.avahi 2009-05-14 18:54:37.000000000 +0100
+++ cups-1.4.6/scheduler/dirsvc.h 2011-01-25 17:39:15.063315332 +0000
@@ -32,6 +32,10 @@
# endif /* HAVE_LDAP_SSL_H */
#endif /* HAVE_LDAP */
+#ifdef HAVE_AVAHI
+# include <avahi-client/publish.h>
+#endif /* HAVE_AVAHI */
+
/*
* Browse protocols...
*/
@@ -132,17 +136,20 @@ VAR int PollPipe VALUE(0);
VAR cupsd_statbuf_t *PollStatusBuffer VALUE(NULL);
/* Status buffer for pollers */
-#ifdef HAVE_DNSSD
+#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
+VAR int DNSSDPort VALUE(0);
+ /* Port number to register */
VAR char *DNSSDComputerName VALUE(NULL),
/* Computer/server name */
*DNSSDHostName VALUE(NULL);
/* Hostname */
-VAR cups_array_t *DNSSDAlias VALUE(NULL);
- /* List of dynamic ServerAlias's */
-VAR int DNSSDPort VALUE(0);
- /* Port number to register */
VAR cups_array_t *DNSSDPrinters VALUE(NULL);
/* Printers we have registered */
+#endif /* HAVE_DNSSD || HAVE_AVAHI */
+
+#ifdef HAVE_DNSSD
+VAR cups_array_t *DNSSDAlias VALUE(NULL);
+ /* List of dynamic ServerAlias's */
VAR DNSServiceRef DNSSDRef VALUE(NULL),
/* Master DNS-SD service reference */
WebIFRef VALUE(NULL),
@@ -151,6 +158,17 @@ VAR DNSServiceRef DNSSDRef VALUE(NULL),
/* Remote printer browse reference */
#endif /* HAVE_DNSSD */
+#ifdef HAVE_AVAHI
+VAR AvahiCupsPoll *AvahiCupsPollHandle VALUE(NULL);
+ /* AvahiCupsPoll object */
+VAR AvahiClient *AvahiCupsClient VALUE(NULL);
+ /* AvahiClient object */
+VAR int AvahiCupsClientConnecting VALUE(0);
+ /* AvahiClient object (waiting) */
+VAR AvahiEntryGroup *AvahiWebIFGroup VALUE(NULL);
+ /* Web interface entry group */
+#endif /* HAVE_AVAHI */
+
#ifdef HAVE_LIBSLP
VAR SLPHandle BrowseSLPHandle VALUE(NULL);
/* SLP API handle */
@@ -194,13 +212,14 @@ extern void cupsdRegisterPrinter(cupsd_p
extern void cupsdRestartPolling(void);
extern void cupsdSaveRemoteCache(void);
extern void cupsdSendBrowseList(void);
+extern void cupsdStartAvahiClient(void);
extern void cupsdStartBrowsing(void);
extern void cupsdStartPolling(void);
extern void cupsdStopBrowsing(void);
extern void cupsdStopPolling(void);
-#ifdef HAVE_DNSSD
+#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
extern void cupsdUpdateDNSSDName(void);
-#endif /* HAVE_DNSSD */
+#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */
#ifdef HAVE_LDAP
extern void cupsdUpdateLDAPBrowse(void);
#endif /* HAVE_LDAP */
diff -up cups-1.4.6/scheduler/main.c.avahi cups-1.4.6/scheduler/main.c
--- cups-1.4.6/scheduler/main.c.avahi 2011-01-25 13:26:16.487112302 +0000
+++ cups-1.4.6/scheduler/main.c 2011-01-25 13:26:16.650115377 +0000
@@ -135,6 +135,10 @@ main(int argc, /* I - Number of comm
cupsd_listener_t *lis; /* Current listener */
time_t current_time, /* Current time */
activity, /* Client activity timer */
+#ifdef HAVE_AVAHI
+ avahi_client_time, /* Time for next Avahi client
+ check */
+#endif /* HAVE_AVAHI */
browse_time, /* Next browse send time */
senddoc_time, /* Send-Document time */
expire_time, /* Subscription expire time */
@@ -161,6 +165,10 @@ main(int argc, /* I - Number of comm
int launchd_idle_exit;
/* Idle exit on select timeout? */
#endif /* HAVE_LAUNCHD */
+#ifdef HAVE_AVAHI
+ cupsd_timeout_t *tmo; /* Next scheduled timed callback */
+ long tmo_delay; /* Time before it must be called */
+#endif /* HAVE_AVAHI */
#ifdef HAVE_GETEUID
@@ -561,6 +569,14 @@ main(int argc, /* I - Number of comm
httpInitialize();
+#ifdef HAVE_AVAHI
+ /*
+ * Initialize timed callback structures.
+ */
+
+ cupsdInitTimeouts();
+#endif /* HAVE_AVAHI */
+
cupsdStartServer();
/*
@@ -686,6 +702,9 @@ main(int argc, /* I - Number of comm
*/
current_time = time(NULL);
+#ifdef HAVE_AVAHI
+ avahi_client_time = current_time;
+#endif /* HAVE_AVAHI */
browse_time = current_time;
event_time = current_time;
expire_time = current_time;
@@ -900,6 +919,26 @@ main(int argc, /* I - Number of comm
}
#endif /* __APPLE__ */
+#ifdef HAVE_AVAHI
+ /*
+ * If a timed callback is due, run it.
+ */
+
+ tmo = cupsdNextTimeout (&tmo_delay);
+ if (tmo && tmo_delay == 0)
+ cupsdRunTimeout (tmo);
+
+ /*
+ * Try to restart the Avahi client every 10 seconds if needed...
+ */
+
+ if ((current_time - avahi_client_time) >= 10)
+ {
+ avahi_client_time = current_time;
+ cupsdStartAvahiClient();
+ }
+#endif /* HAVE_AVAHI */
+
#ifndef __APPLE__
/*
* Update the network interfaces once a minute...
@@ -1925,6 +1964,10 @@ select_timeout(int fds) /* I - Number
cupsd_job_t *job; /* Job information */
cupsd_subscription_t *sub; /* Subscription information */
const char *why; /* Debugging aid */
+#ifdef HAVE_AVAHI
+ cupsd_timeout_t *tmo; /* Timed callback */
+ long tmo_delay; /* Seconds before calling it */
+#endif /* HAVE_AVAHI */
/*
@@ -1967,6 +2010,19 @@ select_timeout(int fds) /* I - Number
}
#endif /* __APPLE__ */
+#ifdef HAVE_AVAHI
+ /*
+ * See if there are any scheduled timed callbacks to run.
+ */
+
+ tmo = cupsdNextTimeout (&tmo_delay);
+ if (tmo)
+ {
+ timeout = tmo_delay;
+ why = "run a timed callback";
+ }
+#endif /* HAVE_AVAHI */
+
/*
* Check whether we are accepting new connections...
*/
diff -up cups-1.4.6/scheduler/Makefile.avahi cups-1.4.6/scheduler/Makefile
--- cups-1.4.6/scheduler/Makefile.avahi 2011-01-25 13:26:16.591114269 +0000
+++ cups-1.4.6/scheduler/Makefile 2011-01-25 13:26:16.657115510 +0000
@@ -17,6 +17,7 @@ include ../Makedefs
CUPSDOBJS = \
auth.o \
+ avahi.o \
banners.o \
cert.o \
classes.o \
@@ -39,7 +40,8 @@ CUPSDOBJS = \
server.o \
statbuf.o \
subscriptions.o \
- sysman.o
+ sysman.o \
+ timeout.o
LIBOBJS = \
filter.o \
mime.o \
diff -up cups-1.4.6/scheduler/printers.c.avahi cups-1.4.6/scheduler/printers.c
--- cups-1.4.6/scheduler/printers.c.avahi 2011-01-25 13:26:16.628114966 +0000
+++ cups-1.4.6/scheduler/printers.c 2011-01-25 13:26:16.659115546 +0000
@@ -929,10 +929,10 @@ cupsdDeletePrinter(
cupsdClearString(&p->alert);
cupsdClearString(&p->alert_description);
-#ifdef HAVE_DNSSD
+#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
cupsdClearString(&p->product);
cupsdClearString(&p->pdl);
-#endif /* HAVE_DNSSD */
+#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */
cupsArrayDelete(p->filetypes);
@@ -1301,9 +1301,9 @@ cupsdLoadAllPrinters(void)
{
if (value)
{
-#ifdef HAVE_DNSSD
+#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
p->product = _cupsStrAlloc(value);
-#endif /* HAVE_DNSSD */
+#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */
}
else
cupsdLogMessage(CUPSD_LOG_ERROR,
@@ -1717,10 +1717,10 @@ cupsdSaveAllPrinters(void)
cupsFilePrintf(fp, "Type %d\n", printer->type);
-#ifdef HAVE_DNSSD
+#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
if (printer->product)
cupsFilePutConf(fp, "Product", printer->product);
-#endif /* HAVE_DNSSD */
+#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */
for (ptr = (char *)cupsArrayFirst(printer->filters);
ptr;
@@ -3860,7 +3860,7 @@ add_printer_formats(cupsd_printer_t *p)
attr->values[i].string.text = _cupsStrAlloc(mimetype);
}
-#ifdef HAVE_DNSSD
+#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
{
char pdl[1024]; /* Buffer to build pdl list */
mime_filter_t *filter; /* MIME filter looping var */
@@ -3914,7 +3914,7 @@ add_printer_formats(cupsd_printer_t *p)
cupsdSetString(&p->pdl, pdl);
}
-#endif /* HAVE_DNSSD */
+#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */
}
@@ -4951,9 +4951,9 @@ load_ppd(cupsd_printer_t *p) /* I - Pri
attr->values[i].string.text = _cupsStrAlloc("bcp");
}
-#ifdef HAVE_DNSSD
+#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
cupsdSetString(&p->product, ppd->product);
-#endif /* HAVE_DNSSD */
+#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */
if (ppdFindAttr(ppd, "APRemoteQueueID", NULL))
p->type |= CUPS_PRINTER_REMOTE;
diff -up cups-1.4.6/scheduler/printers.h.avahi cups-1.4.6/scheduler/printers.h
--- cups-1.4.6/scheduler/printers.h.avahi 2010-03-30 23:07:33.000000000 +0100
+++ cups-1.4.6/scheduler/printers.h 2011-01-25 13:26:16.665115661 +0000
@@ -16,6 +16,9 @@
#ifdef HAVE_DNSSD
# include <dns_sd.h>
#endif /* HAVE_DNSSD */
+#ifdef HAVE_AVAHI
+# include "avahi.h"
+#endif /* HAVE_AVAHI */
#include <cups/pwg-private.h>
@@ -99,17 +102,24 @@ typedef struct cupsd_printer_s
char *recoverable; /* com.apple.print.recoverable-message */
_pwg_t *pwg; /* PWG<->PPD mapping data */
+#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
+ char *reg_name; /* Name used for service registration */
+ char *product, /* PPD Product string */
+ *pdl; /* pdl value for TXT record */
+#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */
#ifdef HAVE_DNSSD
- char *reg_name, /* Name used for service registration */
- *product, /* PPD Product string */
- *pdl, /* pdl value for TXT record */
- *ipp_txt, /* IPP TXT record contents */
+ char *ipp_txt, /* IPP TXT record contents */
*printer_txt; /* LPD TXT record contents */
int ipp_len, /* IPP TXT record length */
printer_len; /* LPD TXT record length */
DNSServiceRef ipp_ref, /* Reference for _ipp._tcp,_cups */
printer_ref; /* Reference for _printer._tcp */
#endif /* HAVE_DNSSD */
+#ifdef HAVE_AVAHI
+ AvahiStringList *ipp_txt, /* IPP TXT record */
+ *printer_txt; /* LPD TXT record */
+ AvahiEntryGroup *avahi_group; /* Avahi entry group */
+#endif /* HAVE_AVAHI */
} cupsd_printer_t;
diff -up cups-1.4.6/scheduler/timeout.c.avahi cups-1.4.6/scheduler/timeout.c
--- cups-1.4.6/scheduler/timeout.c.avahi 2011-01-25 13:26:16.668115715 +0000
+++ cups-1.4.6/scheduler/timeout.c 2011-01-25 13:26:16.668115715 +0000
@@ -0,0 +1,195 @@
+/*
+ * "$Id$"
+ *
+ * Timeout functions for the Common UNIX Printing System (CUPS).
+ *
+ * Copyright (C) 2010 Red Hat, Inc.
+ * Authors:
+ * Tim Waugh <twaugh@redhat.com>
+ *
+ * Distribution and use rights are outlined in the file "LICENSE.txt"
+ * which should have been included with this file. If this file is
+ * file is missing or damaged, see the license at "http://www.cups.org/".
+ *
+ * Contents:
+ *
+ * cupsdInitTimeouts() - Initialise timeout structure.
+ * cupsdAddTimeout() - Add a timed callback.
+ * cupsdNextTimeout() - Find the next enabled timed callback.
+ * cupsdUpdateTimeout() - Adjust the time of a timed callback or disable it.
+ * cupsdRemoveTimeout() - Discard a timed callback.
+ * compare_timeouts() - Compare timed callbacks for array sorting.
+ */
+
+#include <config.h>
+
+#ifdef HAVE_AVAHI /* Applies to entire file... */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "cupsd.h"
+
+#if defined(HAVE_MALLOC_H) && defined(HAVE_MALLINFO)
+# include <malloc.h>
+#endif /* HAVE_MALLOC_H && HAVE_MALLINFO */
+
+#ifdef HAVE_AVAHI
+# include <avahi-common/timeval.h>
+#endif /* HAVE_AVAHI */
+
+
+struct _cupsd_timeout_s
+{
+ struct timeval when;
+ int enabled;
+ cupsd_timeoutfunc_t callback;
+ void *data;
+};
+
+/*
+ * Local functions...
+ */
+
+/*
+ * 'compare_timeouts()' - Compare timed callbacks for array sorting.
+ */
+
+static int
+compare_timeouts (cupsd_timeout_t *p0, cupsd_timeout_t *p1)
+{
+ if (!p0->enabled || !p1->enabled)
+ {
+ if (!p0->enabled && !p1->enabled)
+ return (0);
+
+ return (p0->enabled ? -1 : 1);
+ }
+
+ return (avahi_timeval_compare (&p0->when, &p1->when));
+}
+
+
+/*
+ * 'cupsdInitTimeouts()' - Initialise timeout structures.
+ */
+
+void
+cupsdInitTimeouts(void)
+{
+ Timeouts = cupsArrayNew ((cups_array_func_t)compare_timeouts, NULL);
+}
+
+
+/*
+ * 'cupsdAddTimeout()' - Add a timed callback.
+ */
+
+cupsd_timeout_t * /* O - Timeout handle */
+cupsdAddTimeout(const struct timeval *tv, /* I - Absolute time */
+ cupsd_timeoutfunc_t cb, /* I - Callback function */
+ void *data) /* I - User data */
+{
+ cupsd_timeout_t *timeout;
+
+ timeout = malloc (sizeof(cupsd_timeout_t));
+ if (timeout != NULL)
+ {
+ timeout->enabled = (tv != NULL);
+ if (tv)
+ {
+ timeout->when.tv_sec = tv->tv_sec;
+ timeout->when.tv_usec = tv->tv_usec;
+ }
+
+ timeout->callback = cb;
+ timeout->data = data;
+ cupsArrayAdd (Timeouts, timeout);
+ }
+
+ return timeout;
+}
+
+
+/*
+ * 'cupsdNextTimeout()' - Find the next enabled timed callback.
+ */
+
+cupsd_timeout_t * /* O - Next enabled timeout or NULL */
+cupsdNextTimeout(long *delay) /* O - Seconds before scheduled */
+{
+ cupsd_timeout_t *first = cupsArrayFirst (Timeouts);
+ struct timeval curtime;
+
+ if (first && !first->enabled)
+ first = NULL;
+
+ if (first && delay)
+ {
+ gettimeofday (&curtime, NULL);
+ if (avahi_timeval_compare (&curtime, &first->when) > 0)
+ {
+ *delay = 0;
+ } else {
+ *delay = 1 + first->when.tv_sec - curtime.tv_sec;
+ if (first->when.tv_usec < curtime.tv_usec)
+ (*delay)--;
+ }
+ }
+
+ return (first);
+}
+
+
+/*
+ * 'cupsdRunTimeout()' - Run a timed callback.
+ */
+
+void
+cupsdRunTimeout(cupsd_timeout_t *timeout) /* I - Timeout */
+{
+ if (!timeout)
+ return;
+ timeout->enabled = 0;
+ if (!timeout->callback)
+ return;
+ timeout->callback (timeout, timeout->data);
+}
+
+/*
+ * 'cupsdUpdateTimeout()' - Adjust the time of a timed callback or disable it.
+ */
+
+void
+cupsdUpdateTimeout(cupsd_timeout_t *timeout, /* I - Timeout */
+ const struct timeval *tv) /* I - Absolute time or NULL */
+{
+ cupsArrayRemove (Timeouts, timeout);
+ timeout->enabled = (tv != NULL);
+ if (tv)
+ {
+ timeout->when.tv_sec = tv->tv_sec;
+ timeout->when.tv_usec = tv->tv_usec;
+ }
+ cupsArrayAdd (Timeouts, timeout);
+}
+
+
+/*
+ * 'cupsdRemoveTimeout()' - Discard a timed callback.
+ */
+
+void
+cupsdRemoveTimeout(cupsd_timeout_t *timeout) /* I - Timeout */
+{
+ cupsArrayRemove (Timeouts, timeout);
+ free (timeout);
+}
+
+
+#endif /* HAVE_AVAHI ... from top of file */
+
+/*
+ * End of "$Id$".
+ */
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