diff options
Diffstat (limited to '~mtjm/cups-usblp/cups-avahi-2-backend.patch')
| -rwxr-xr-x | ~mtjm/cups-usblp/cups-avahi-2-backend.patch | 1118 |
1 files changed, 0 insertions, 1118 deletions
diff --git a/~mtjm/cups-usblp/cups-avahi-2-backend.patch b/~mtjm/cups-usblp/cups-avahi-2-backend.patch deleted file mode 100755 index 00e12a0a3..000000000 --- a/~mtjm/cups-usblp/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 $".
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