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Diffstat (limited to 'libre/cups-libre/cups-avahi-2-backend.patch')
-rwxr-xr-xlibre/cups-libre/cups-avahi-2-backend.patch1118
1 files changed, 0 insertions, 1118 deletions
diff --git a/libre/cups-libre/cups-avahi-2-backend.patch b/libre/cups-libre/cups-avahi-2-backend.patch
deleted file mode 100755
index 9fa367729..000000000
--- a/libre/cups-libre/cups-avahi-2-backend.patch
+++ /dev/null
@@ -1,1118 +0,0 @@
-diff -up cups-1.5.3/backend/dnssd.c.avahi-2-backend cups-1.5.3/backend/dnssd.c
---- cups-1.5.3/backend/dnssd.c.avahi-2-backend 2012-05-15 16:53:18.164774446 +0200
-+++ cups-1.5.3/backend/dnssd.c 2012-05-15 17:09:07.684155704 +0200
-@@ -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 */
-
-
- /*
-@@ -53,7 +71,12 @@ 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 */
-@@ -65,6 +88,20 @@ 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...
-@@ -78,6 +115,7 @@ static int job_canceled = 0;
- * Local functions...
- */
-
-+#ifdef HAVE_DNSSD
- static void browse_callback(DNSServiceRef sdRef,
- DNSServiceFlags flags,
- uint32_t interfaceIndex,
-@@ -95,13 +133,6 @@ static void browse_local_callback(DNSSe
- const char *replyDomain,
- void *context)
- __attribute__((nonnull(1,5,6,7,8)));
--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)
-- __attribute__((nonnull(1,2,3,4)));
- static void query_callback(DNSServiceRef sdRef,
- DNSServiceFlags flags,
- uint32_t interfaceIndex,
-@@ -111,10 +142,119 @@ static void query_callback(DNSServiceRe
- const void *rdata, uint32_t ttl,
- void *context)
- __attribute__((nonnull(1,5,9,11)));
-+#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)
-+ __attribute__((nonnull(1,2,3,4)));
- static void sigterm_handler(int sig);
- static void unquote(char *dst, const char *src, size_t dstsize)
- __attribute__((nonnull(1,2)));
-
-+#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.
-@@ -125,6 +265,13 @@ 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 */
-@@ -138,12 +285,11 @@ 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 */
-@@ -203,6 +349,49 @@ 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");
-@@ -263,6 +452,7 @@ 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...
-@@ -270,6 +460,9 @@ main(int argc, /* I - Number of comm
-
- while (!job_canceled)
- {
-+ int announce = 0;
-+
-+#ifdef HAVE_DNSSD
- FD_ZERO(&input);
- FD_SET(fd, &input);
-
-@@ -289,11 +482,35 @@ 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 */
-@@ -307,6 +524,7 @@ main(int argc, /* I - Number of comm
- if (device->sent)
- sent ++;
-
-+#ifdef HAVE_DNSSD
- if (device->ref)
- count ++;
-
-@@ -338,14 +556,23 @@ 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;
-@@ -406,6 +633,7 @@ main(int argc, /* I - Number of comm
- }
-
-
-+#ifdef HAVE_DNSSD
- /*
- * 'browse_callback()' - Browse devices.
- */
-@@ -494,6 +722,7 @@ browse_local_callback(
- device->fullName);
- device->sent = 1;
- }
-+#endif /* HAVE_DNSSD */
-
-
- /*
-@@ -574,6 +803,41 @@ 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"))
-+ return (CUPS_DEVICE_IPP);
-+ else if (!strcmp(regtype, "_ipps._tcp") ||
-+ !strcmp(regtype, "_ipp-tls._tcp"))
-+ return (CUPS_DEVICE_IPPS);
-+ 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."))
-+ return (CUPS_DEVICE_IPP);
-+ else if (!strcmp(regtype, "_ipps._tcp.") ||
-+ !strcmp(regtype, "_ipp-tls._tcp."))
-+ return (CUPS_DEVICE_IPPS);
-+ 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.
- */
-
-@@ -594,20 +858,7 @@ get_device(cups_array_t *devices, /* I -
- */
-
- key.name = (char *)serviceName;
--
-- if (!strcmp(regtype, "_ipp._tcp."))
-- key.type = CUPS_DEVICE_IPP;
-- else if (!strcmp(regtype, "_ipps._tcp.") ||
-- !strcmp(regtype, "_ipp-tls._tcp."))
-- key.type = CUPS_DEVICE_IPPS;
-- 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;
-@@ -627,8 +878,14 @@ 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);
- }
-@@ -648,6 +905,9 @@ 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);
-
-@@ -655,13 +915,20 @@ 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.
- */
-@@ -685,7 +952,7 @@ 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\", "
-@@ -719,94 +986,233 @@ query_callback(
- if ((ptr = strstr(name, "._")) != NULL)
- *ptr = '\0';
-
-- if (strstr(fullName, "_ipp._tcp."))
-- dkey.type = CUPS_DEVICE_IPP;
-- else if (strstr(fullName, "_ipps._tcp.") ||
-- strstr(fullName, "_ipp-tls._tcp."))
-- dkey.type = CUPS_DEVICE_IPPS;
-- 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);
-
-- for (device = cupsArrayFind(devices, &dkey);
-+ 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);
-+
-+ 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 (_cups_strcasecmp(device->name, dkey.name) ||
-- _cups_strcasecmp(device->domain, dkey.domain))
-+ if (_cups_strcasecmp(device->name, dkey->name) ||
-+ _cups_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;
--
-- datanext = data + datalen;
--
-- for (ptr = key; data < datanext && *data != '='; data ++)
-- *ptr++ = *data;
-- *ptr = '\0';
-+ char *key;
-+ char *value;
-
-- if (data < datanext && *data == '=')
-- {
-- data ++;
--
-- if (data < datanext)
-- memcpy(value, data, datanext - data);
-- value[datanext - data] = '\0';
-+ if (parse_txt_record_pair (txt))
-+ goto next;
-
-- fprintf(stderr, "DEBUG2: query_callback: \"%s=%s\".\n",
-- key, value);
-- }
-- else
-- {
-- fprintf(stderr, "DEBUG2: query_callback: \"%s\" with no value.\n",
-- key);
-- continue;
-- }
--
-- if (!_cups_strncasecmp(key, "usb_", 4))
-+ key = txt->key;
-+ value = txt->value;
-+ if (!strncasecmp(key, "usb_", 4))
- {
- /*
- * Add USB device ID information...
-@@ -861,6 +1267,10 @@ query_callback(
- if (device->type == CUPS_DEVICE_PRINTER)
- device->sent = 1;
- }
-+
-+ next:
-+ if (next_txt_record (txt) == NULL)
-+ break;
- }
-
- if (device->device_id)
-@@ -917,11 +1327,9 @@ query_callback(
- }
- }
-
-- if (!device)
-- fprintf(stderr, "DEBUG: Ignoring TXT record for \"%s\"...\n", fullName);
-+ return device;
- }
-
--
- /*
- * 'sigterm_handler()' - Handle termination signals...
- */
-diff -up cups-1.5.3/cups/http-support.c.avahi-2-backend cups-1.5.3/cups/http-support.c
---- cups-1.5.3/cups/http-support.c.avahi-2-backend 2012-02-15 02:06:12.000000000 +0100
-+++ cups-1.5.3/cups/http-support.c 2012-05-15 17:04:51.045944634 +0200
-@@ -43,6 +43,10 @@
- * http_copy_decode() - Copy and decode a URI.
- * http_copy_encode() - Copy and encode a URI.
- * http_resolve_cb() - 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.
- */
-
- /*
-@@ -60,6 +64,11 @@
- # include <sys/select.h>
- # endif /* WIN32 */
- #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 */
-
-
- /*
-@@ -127,6 +136,24 @@ static void DNSSD_API http_resolve_cb(DN
- 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
-@@ -1434,6 +1461,9 @@ _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
- # ifdef WIN32
- # pragma comment(lib, "dnssd.lib")
-@@ -1452,6 +1482,17 @@ _httpResolveURI(
- fd_set input_set; /* Input set for select() */
- struct timeval stimeout; /* Timeout value for select() */
- #endif /* HAVE_POLL */
-+#else /* HAVE_AVAHI */
-+ AvahiSimplePoll *simple_poll;
-+ AvahiClient *client;
-+ int error;
-+ struct
-+ {
-+ AvahiSimplePoll *poll;
-+ _http_uribuf_t uribuf;
-+ } user_data;
-+#endif /* HAVE_DNSSD */
-+
-
- if (options & _HTTP_RESOLVE_STDERR)
- fprintf(stderr, "DEBUG: Resolving \"%s\"...\n", hostname);
-@@ -1488,9 +1529,16 @@ _httpResolveURI(
- if (domain)
- *domain++ = '\0';
-
-+#ifdef HAVE_DNSSD
- uribuf.buffer = resolved_uri;
- uribuf.bufsize = resolved_size;
- uribuf.options = options;
-+#else
-+ user_data.uribuf.buffer = resolved_uri;
-+ user_data.uribuf.bufsize = resolved_size;
-+ user_data.uribuf.options = options;
-+#endif
-+
- resolved_uri[0] = '\0';
-
- DEBUG_printf(("6_httpResolveURI: Resolving hostname=\"%s\", regtype=\"%s\", "
-@@ -1504,6 +1552,7 @@ _httpResolveURI(
-
- uri = NULL;
-
-+#ifdef HAVE_DNSSD
- if (DNSServiceCreateConnection(&ref) == kDNSServiceErr_NoError)
- {
- localref = ref;
-@@ -1611,6 +1660,36 @@ _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 (options & _HTTP_RESOLVE_STDERR)
- {
-@@ -1622,13 +1701,13 @@ _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 ((options & _HTTP_RESOLVE_STDERR) && !uri)
- _cupsLangPrintFilter(stderr, "ERROR", _("Unable to find printer."));
-@@ -1916,6 +1995,115 @@ http_resolve_cb(
- }
- #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 10284 2012-02-15 01:06:12Z mike $".