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author | Michał Masłowski <mtjm@mtjm.eu> | 2012-01-23 18:59:38 +0100 |
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committer | Michał Masłowski <mtjm@mtjm.eu> | 2012-01-23 18:59:38 +0100 |
commit | 83fee57a9a83eaeed4e7ff8f272ef56881669174 (patch) | |
tree | 1e84c317f09e77d46973f6aa46bb3b7cb3a15439 /~mtjm/cups-usblp/cups-avahi.patch | |
parent | 937e299ee44ba8f8fc07ea3f03229a2139b8bef9 (diff) | |
download | abslibre-83fee57a9a83eaeed4e7ff8f272ef56881669174.tar.gz abslibre-83fee57a9a83eaeed4e7ff8f272ef56881669174.tar.bz2 abslibre-83fee57a9a83eaeed4e7ff8f272ef56881669174.zip |
Add cups-usblp based on cups-libre.
Diffstat (limited to '~mtjm/cups-usblp/cups-avahi.patch')
-rw-r--r-- | ~mtjm/cups-usblp/cups-avahi.patch | 3156 |
1 files changed, 3156 insertions, 0 deletions
diff --git a/~mtjm/cups-usblp/cups-avahi.patch b/~mtjm/cups-usblp/cups-avahi.patch new file mode 100644 index 000000000..7e9c8ecea --- /dev/null +++ b/~mtjm/cups-usblp/cups-avahi.patch @@ -0,0 +1,3156 @@ +Description: Avahi support +Bug: http://www.cups.org/str.php?L3066 +Author: Tim Waugh +Origin: git clone http://twaugh.fedorapeople.org/cups-avahi.git (Aug 11, 2011) + +--- a/backend/dnssd.c ++++ b/backend/dnssd.c +@@ -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 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 @@ + 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 @@ + * Local functions... + */ + ++#ifdef HAVE_DNSSD + static void browse_callback(DNSServiceRef sdRef, + DNSServiceFlags flags, + uint32_t interfaceIndex, +@@ -93,12 +131,6 @@ + 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, +@@ -107,9 +139,118 @@ + 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. +@@ -120,6 +261,13 @@ + 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 */ +@@ -133,12 +281,11 @@ + 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 */ +@@ -198,6 +345,49 @@ + * 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"); +@@ -258,6 +448,7 @@ + riousbprint_ref = main_ref; + DNSServiceBrowse(&riousbprint_ref, kDNSServiceFlagsShareConnection, 0, + "_riousbprint._tcp", NULL, browse_callback, devices); ++#endif /* HAVE_DNSSD */ + + /* + * Loop until we are killed... +@@ -265,6 +456,9 @@ + + while (!job_canceled) + { ++ int announce = 0; ++ ++#ifdef HAVE_DNSSD + FD_ZERO(&input); + FD_SET(fd, &input); + +@@ -284,11 +478,35 @@ + } + 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 */ +@@ -302,6 +520,7 @@ + if (device->sent) + sent ++; + ++#ifdef HAVE_DNSSD + if (device->ref) + count ++; + +@@ -333,14 +552,23 @@ + 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; +@@ -401,6 +629,7 @@ + } + + ++#ifdef HAVE_DNSSD + /* + * 'browse_callback()' - Browse devices. + */ +@@ -489,6 +718,7 @@ + device->fullName); + device->sent = 1; + } ++#endif /* HAVE_DNSSD */ + + + /* +@@ -569,6 +799,41 @@ + + + /* ++ * '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. + */ + +@@ -589,20 +854,7 @@ + */ + + 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; +@@ -622,8 +874,14 @@ + 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); + } +@@ -643,6 +901,9 @@ + device->domain = strdup(replyDomain); + device->type = key.type; + device->priority = 50; ++#ifdef HAVE_AVAHI ++ device->resolved = 0; ++#endif /* HAVE_AVAHI */ + + cupsArrayAdd(devices, device); + +@@ -650,13 +911,20 @@ + * 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. + */ +@@ -680,7 +948,7 @@ + *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\", " +@@ -714,94 +982,233 @@ + 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); ++ ++ 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 */ ++ + +- for (device = cupsArrayFind(devices, &dkey); ++/* ++ * '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... +@@ -856,6 +1263,10 @@ + if (device->type == CUPS_DEVICE_PRINTER) + device->sent = 1; + } ++ ++ next: ++ if (next_txt_record (txt) == NULL) ++ break; + } + + if (device->device_id) +@@ -905,11 +1316,9 @@ + } + } + +- if (!device) +- fprintf(stderr, "DEBUG: Ignoring TXT record for \"%s\"...\n", fullName); ++ return device; + } + +- + /* + * 'sigterm_handler()' - Handle termination signals... + */ +--- a/config-scripts/cups-dnssd.m4 ++++ b/config-scripts/cups-dnssd.m4 +@@ -23,6 +23,21 @@ + 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 +--- a/config.h.in ++++ b/config.h.in +@@ -390,6 +390,13 @@ + + + /* ++ * Do we have Avahi for DNS Service Discovery? ++ */ ++ ++#undef HAVE_AVAHI ++ ++ ++/* + * Do we have <sys/ioctl.h>? + */ + +--- a/cups/http-support.c ++++ b/cups/http-support.c +@@ -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 @@ + 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 +@@ -1431,6 +1458,9 @@ + + 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") +@@ -1449,6 +1479,17 @@ + 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); +@@ -1485,9 +1526,16 @@ + 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\", " +@@ -1501,6 +1549,7 @@ + + uri = NULL; + ++#ifdef HAVE_DNSSD + if (DNSServiceCreateConnection(&ref) == kDNSServiceErr_NoError) + { + localref = ref; +@@ -1608,6 +1657,36 @@ + + 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) + { +@@ -1619,13 +1698,13 @@ + 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.")); +@@ -1895,6 +1974,116 @@ + #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 9820 2011-06-10 22:06:26Z mike $". + */ +--- a/scheduler/Makefile ++++ b/scheduler/Makefile +@@ -17,6 +17,7 @@ + + CUPSDOBJS = \ + auth.o \ ++ avahi.o \ + banners.o \ + cert.o \ + classes.o \ +@@ -39,7 +40,8 @@ + server.o \ + statbuf.o \ + subscriptions.o \ +- sysman.o ++ sysman.o \ ++ timeout.o + LIBOBJS = \ + filter.o \ + mime.o \ +--- /dev/null ++++ b/scheduler/avahi.c +@@ -0,0 +1,445 @@ ++/* ++ * "$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$". ++ */ +--- /dev/null ++++ b/scheduler/avahi.h +@@ -0,0 +1,49 @@ ++/* ++ * "$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$". ++ */ +--- a/scheduler/cupsd.h ++++ b/scheduler/cupsd.h +@@ -140,6 +140,15 @@ + + typedef void (*cupsd_selfunc_t)(void *data); + ++#ifdef HAVE_AVAHI ++/* ++ * Timeout callback function type... ++ */ ++ ++typedef struct _cupsd_timeout_s cupsd_timeout_t; ++typedef void (*cupsd_timeoutfunc_t)(cupsd_timeout_t *timeout, void *data); ++#endif /* HAVE_AVAHI */ ++ + + /* + * Globals... +@@ -173,6 +182,11 @@ + /* Running from launchd */ + #endif /* HAVE_LAUNCH_H */ + ++#ifdef HAVE_AVAHI ++VAR cups_array_t *Timeouts; /* Timed callbacks for main loop */ ++#endif /* HAVE_AVAHI */ ++ ++ + + /* + * Prototypes... +@@ -242,6 +256,20 @@ + extern void cupsdStartServer(void); + extern void cupsdStopServer(void); + ++#ifdef HAVE_AVAHI ++extern void cupsdInitTimeouts(void); ++extern cupsd_timeout_t *cupsdAddTimeout (const struct timeval *tv, ++ cupsd_timeoutfunc_t cb, ++ void *data); ++extern cupsd_timeout_t *cupsdNextTimeout (long *delay); ++extern void cupsdRunTimeout (cupsd_timeout_t *timeout); ++extern void cupsdUpdateTimeout (cupsd_timeout_t *timeout, ++ const struct timeval *tv); ++extern void cupsdRemoveTimeout (cupsd_timeout_t *timeout); ++#endif /* HAVE_AVAHI */ ++ ++extern int cupsdRemoveFile(const char *filename); ++ + + /* + * End of "$Id: cupsd.h 9766 2011-05-11 22:17:34Z mike $". +--- a/scheduler/main.c ++++ b/scheduler/main.c +@@ -122,6 +122,10 @@ + 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 */ +@@ -148,6 +152,10 @@ + 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 +@@ -527,6 +535,14 @@ + + httpInitialize(); + ++#ifdef HAVE_AVAHI ++ /* ++ * Initialize timed callback structures. ++ */ ++ ++ cupsdInitTimeouts(); ++#endif /* HAVE_AVAHI */ ++ + cupsdStartServer(); + + /* +@@ -657,6 +673,9 @@ + */ + + 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; +@@ -871,6 +890,26 @@ + } + #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... +@@ -1815,6 +1854,10 @@ + 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 */ + + + /* +@@ -1857,6 +1900,19 @@ + } + #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... + */ +--- /dev/null ++++ b/scheduler/timeout.c +@@ -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$". ++ */ +--- a/cgi-bin/admin.c ++++ b/cgi-bin/admin.c +@@ -1643,7 +1643,7 @@ + else + local_protocols[0] = '\0'; + +-#ifdef HAVE_DNSSD ++#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) + if (cgiGetVariable("BROWSE_LOCAL_DNSSD")) + { + if (local_protocols[0]) +@@ -1651,7 +1651,7 @@ + else + strcat(local_protocols, "dnssd"); + } +-#endif /* HAVE_DNSSD */ ++#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */ + + #ifdef HAVE_LDAP + if (cgiGetVariable("BROWSE_LOCAL_LDAP")) +@@ -2718,9 +2718,9 @@ + #endif /* HAVE_GSSAPI */ + cgiSetVariable("KERBEROS", ""); + +-#ifdef HAVE_DNSSD ++#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) + cgiSetVariable("HAVE_DNSSD", "1"); +-#endif /* HAVE_DNSSD */ ++#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */ + + #ifdef HAVE_LDAP + cgiSetVariable("HAVE_LDAP", "1"); +--- a/scheduler/client.c ++++ b/scheduler/client.c +@@ -4987,7 +4987,7 @@ + !strncmp(host, "[::1]:", 6)); + } + +-#ifdef HAVE_DNSSD ++#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) + /* + * Check if the hostname is something.local (Bonjour); if so, allow it. + */ +@@ -4996,7 +4996,7 @@ + (!_cups_strcasecmp(end, ".local") || !_cups_strncasecmp(end, ".local:", 7) || + !_cups_strcasecmp(end, ".local.") || !_cups_strncasecmp(end, ".local.:", 8))) + return (1); +-#endif /* HAVE_DNSSD */ ++#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */ + + /* + * Check if the hostname is an IP address... +--- a/scheduler/dirsvc.c ++++ b/scheduler/dirsvc.c +@@ -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. +@@ -45,6 +46,8 @@ + * printer. + * dnssdPackTxtRecord() - Pack an array of key/value pairs into the TXT + * record format. ++ * avahiPackTxtRecord() - Pack an array of key/value pairs into an ++ * AvahiStringList. + * dnssdRegisterCallback() - DNSServiceRegister callback. + * dnssdRegisterPrinter() - Start sending broadcast information for a + * printer or update the broadcast contents. +@@ -83,6 +86,7 @@ + */ + + #include "cupsd.h" ++#include <assert.h> + #include <grp.h> + + #ifdef HAVE_DNSSD +@@ -97,6 +101,17 @@ + # endif /* HAVE_SYSTEMCONFIGURATION */ + # endif /* __APPLE__ */ + #endif /* HAVE_DNSSD */ ++#ifdef HAVE_AVAHI ++# include <avahi-common/domain.h> ++#endif /* HAVE_AVAHI */ ++ ++ ++#ifdef HAVE_DNSSD ++typedef char *cupsd_txt_record_t; ++#endif /* HAVE_DNSSD */ ++#ifdef HAVE_AVAHI ++typedef AvahiStringList *cupsd_txt_record_t; ++#endif /* HAVE_AVAHI */ + + + /* +@@ -159,27 +174,39 @@ + 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 int dnssdComparePrinters(cupsd_printer_t *a, cupsd_printer_t *b); ++static void dnssdDeregisterPrinter(cupsd_printer_t *p); ++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, + DNSServiceFlags flags, + 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 +310,10 @@ + 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) */ + } + + +@@ -702,10 +729,10 @@ + 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) */ + } + + +@@ -1419,6 +1446,27 @@ + #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. + */ +@@ -1542,13 +1590,16 @@ + 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... + */ +@@ -1573,6 +1624,7 @@ + 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 +@@ -1606,9 +1658,16 @@ + */ + + cupsdUpdateDNSSDName(); ++ ++#ifdef HAVE_AVAHI ++ cupsdStartAvahiClient (); ++#endif /* HAVE_AVAHI */ ++ ++#ifdef HAVE_DNSSD + } +- } + #endif /* HAVE_DNSSD */ ++ } ++#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */ + + #ifdef HAVE_LIBSLP + if ((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_SLP) +@@ -1834,10 +1893,10 @@ + 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) && +@@ -1902,7 +1961,7 @@ + } + + +-#ifdef HAVE_DNSSD ++#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) + /* + * 'cupsdUpdateDNSSDName()' - Update the computer name we use for browsing... + */ +@@ -1910,8 +1969,14 @@ + void + cupsdUpdateDNSSDName(void) + { ++#ifdef HAVE_DNSSD + DNSServiceErrorType error; /* Error from service creation */ + char webif[1024]; /* Web interface share name */ ++#endif /* HAVE_DNSSD */ ++#ifdef HAVE_AVAHI ++ int ret; /* Error from service creation */ ++ char webif[AVAHI_LABEL_MAX]; /* Web interface share name */ ++#endif /* HAVE_AVAHI */ + # ifdef HAVE_SYSTEMCONFIGURATION + SCDynamicStoreRef sc; /* Context for dynamic store */ + CFDictionaryRef btmm; /* Back-to-My-Mac domains */ +@@ -2042,6 +2107,7 @@ + else + strlcpy(webif, "CUPS Web Interface", sizeof(webif)); + ++#ifdef HAVE_DNSSD + if (WebIFRef) + DNSServiceRefDeallocate(WebIFRef); + +@@ -2054,9 +2120,45 @@ + 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 */ ++ 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 */ ++#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */ + + + #ifdef HAVE_LDAP +@@ -2334,13 +2436,15 @@ + "Bad Back to My Mac domain in dynamic store!"); + } + # endif /* HAVE_COREFOUNDATION */ ++#endif /* HAVE_DNSSD */ + + ++#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) + /* + * 'dnssdBuildTxtRecord()' - Build a TXT record from printer info. + */ + +-static char * /* O - TXT record */ ++static cupsd_txt_record_t /* O - TXT record */ + dnssdBuildTxtRecord( + int *txt_len, /* O - TXT record length */ + cupsd_printer_t *p, /* I - Printer information */ +@@ -2379,7 +2483,12 @@ + keyvalue[i ][0] = "ty"; + keyvalue[i++][1] = p->make_model ? p->make_model : "Unknown"; + +- snprintf(admin_hostname, sizeof(admin_hostname), "%s.local.", DNSSDHostName); ++ snprintf(admin_hostname, sizeof(admin_hostname), ++ "%s.local" ++#ifdef HAVE_DNSSD ++ "." /* terminating dot no good for Avahi */ ++#endif /* HAVE_DNSSD */ ++ , DNSSDHostName); + httpAssembleURIf(HTTP_URI_CODING_ALL, adminurl_str, sizeof(adminurl_str), + "http", NULL, admin_hostname, DNSSDPort, "/%s/%s", + (p->type & CUPS_PRINTER_CLASS) ? "classes" : "printers", +@@ -2462,7 +2571,12 @@ + * 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 */ + } + + +@@ -2474,7 +2588,16 @@ + dnssdComparePrinters(cupsd_printer_t *a,/* I - First printer */ + cupsd_printer_t *b)/* I - Second printer */ + { +- return (_cups_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 (_cups_strcasecmp(a->reg_name, b->reg_name)); + } + + +@@ -2489,6 +2612,10 @@ + { + cupsdLogMessage(CUPSD_LOG_DEBUG2, "dnssdDeregisterPrinter(%s)", p->name); + ++#ifdef HAVE_DNSSD ++ if (!DNSSDRef) ++ return; ++ + /* + * Closing the socket deregisters the service + */ +@@ -2524,6 +2651,24 @@ + 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 +@@ -2533,8 +2678,10 @@ + cupsArrayRemove(DNSSDPrinters, p); + cupsdClearString(&p->reg_name); + } ++#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */ + + ++#ifdef HAVE_DNSSD + /* + * 'dnssdPackTxtRecord()' - Pack an array of key/value pairs into the + * TXT record format. +@@ -2644,8 +2791,10 @@ + LastEvent |= CUPSD_EVENT_PRINTER_MODIFIED; + } + } ++#endif /* HAVE_DNSSD */ + + ++#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) + /* + * 'dnssdRegisterPrinter()' - Start sending broadcast information for a printer + * or update the broadcast contents. +@@ -2654,20 +2803,40 @@ + static void + dnssdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */ + { ++#ifdef HAVE_DNSSD + 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 */ ++ name[1024]; /* Service name */ + int ipp_len, /* IPP TXT record length */ + printer_len, /* LPD TXT record length */ + printer_port; /* LPD port number */ ++#endif /* HAVE_DNSSD */ ++#ifdef HAVE_AVAHI ++ int ret; /* Error code */ ++ AvahiStringList *ipp_txt, /* IPP TXT record */ ++ *printer_txt; /* LPD TXT record */ ++ char name[AVAHI_LABEL_MAX], /* Service name */ ++ fullsubtype[AVAHI_LABEL_MAX]; /* Full subtype */ ++ char *regtype_copy, /* Writeable copy of reg type */ ++ *subtype, /* Current service sub type */ ++ *nextsubtype; /* Next service sub type */ ++#endif /* HAVE_AVAHI */ ++ char *nameptr; /* Pointer into name */ + const char *regtype; /* Registration type */ + + ++#ifdef HAVE_DNSSD ++ if (!DNSSDRef) ++ return; ++ + 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 */ + /* + * If per-printer sharing was just disabled make sure we're not + * registered before returning. +@@ -2686,12 +2855,36 @@ + if (p->info && strlen(p->info) > 0) + { + if (DNSSDComputerName) +- snprintf(name, sizeof(name), "%s @ %s", p->info, DNSSDComputerName); ++ { ++ /* ++ * Make sure there is room for at least 15 characters of ++ * DNSSDComputerName. ++ */ ++ ++ assert(sizeof(name) >= 15 + 4); ++ nameptr = name + strlcpy(name, p->info, ++ sizeof(name) - 4 - ++ strnlen(DNSSDComputerName, 15)); ++ nameptr += strlcpy(nameptr, " @ ", sizeof(name) - (nameptr - name)); ++ strlcpy(nameptr, DNSSDComputerName, sizeof(name) - (nameptr - name)); ++ } + else + strlcpy(name, p->info, sizeof(name)); + } + else if (DNSSDComputerName) +- snprintf(name, sizeof(name), "%s @ %s", p->name, DNSSDComputerName); ++ { ++ /* ++ * Make sure there is room for at least 15 characters of ++ * DNSSDComputerName. ++ */ ++ ++ assert(sizeof(name) >= 15 + 4); ++ nameptr = name + strlcpy(name, p->info, ++ sizeof(name) - 4 - ++ strnlen(DNSSDComputerName, 15)); ++ nameptr += strlcpy(nameptr, " @ ", sizeof(name) - (nameptr - name)); ++ strlcpy(nameptr, DNSSDComputerName, sizeof(name) - (nameptr - name)); ++ } + else + strlcpy(name, p->name, sizeof(name)); + +@@ -2712,6 +2905,7 @@ + * Register IPP and (optionally) LPD... + */ + ++#ifdef HAVE_DNSSD + ipp_len = 0; /* anti-compiler-warning-code */ + ipp_txt = dnssdBuildTxtRecord(&ipp_len, p, 0); + +@@ -2884,6 +3078,209 @@ + + 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" : DNSSDRegType; ++ ++ 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); ++ ++ /* ++ * Update the service group entry. ++ */ ++ ++ regtype_copy = strdup (regtype); ++ subtype = strchr (regtype_copy, ','); ++ if (subtype) ++ *subtype = '\0'; ++ ++ cupsdLogMessage (CUPSD_LOG_DEBUG, ++ "Updating TXT record for %s (%s)", name, regtype_copy); ++ ret = avahi_entry_group_update_service_txt_strlst (p->avahi_group, ++ AVAHI_IF_UNSPEC, ++ AVAHI_PROTO_UNSPEC, ++ 0, name, ++ regtype_copy, ++ NULL, ipp_txt); ++ free (regtype_copy); ++ ++ 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) ++ { ++ ret = 0; ++ goto add_failed; ++ } ++ ++ /* ++ * Add each service type (DNSSDRegType may contain several, ++ * separated by commas). ++ */ ++ ++ subtype = regtype_copy = strdup (regtype); ++ while (subtype && *subtype) ++ { ++ nextsubtype = strchr (subtype, ','); ++ if (nextsubtype) ++ *nextsubtype++ = '\0'; ++ ++ if (subtype == regtype_copy) ++ { ++ /* ++ * Main type entry. ++ */ ++ ++ cupsdLogMessage (CUPSD_LOG_DEBUG, ++ "Adding TXT record for %s (%s)", name, regtype_copy); ++ ret = avahi_entry_group_add_service_strlst (p->avahi_group, ++ AVAHI_IF_UNSPEC, ++ AVAHI_PROTO_UNSPEC, ++ 0, name, regtype_copy, ++ NULL, NULL, ++ DNSSDPort, ++ ipp_txt); ++ } ++ else ++ { ++ /* ++ * Sub-type entry. ++ */ ++ ++ snprintf (fullsubtype, sizeof(fullsubtype), ++ "%s._sub.%s", subtype, regtype_copy); ++ cupsdLogMessage (CUPSD_LOG_DEBUG, ++ "Adding TXT record for %s (%s)", name, fullsubtype); ++ ret = avahi_entry_group_add_service_subtype (p->avahi_group, ++ AVAHI_IF_UNSPEC, ++ AVAHI_PROTO_UNSPEC, ++ 0, name, ++ regtype_copy, ++ NULL, fullsubtype); ++ } ++ ++ if (ret < 0) ++ { ++ free (regtype_copy); ++ goto add_failed; ++ } ++ ++ subtype = nextsubtype; ++ } ++ ++ free (regtype_copy); ++ 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, ++ 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 */ + } + + +@@ -2896,6 +3293,10 @@ + { + cupsd_printer_t *p; /* Current printer */ + ++#ifdef HAVE_DNSSD ++ if (!DNSSDRef) ++ return; ++#endif /* HAVE_DNSSD */ + + /* + * De-register the individual printers +@@ -2906,6 +3307,7 @@ + p = (cupsd_printer_t *)cupsArrayNext(Printers)) + dnssdDeregisterPrinter(p); + ++#ifdef HAVE_DNSSD + /* + * Shutdown the rest of the service refs... + */ +@@ -2926,14 +3328,17 @@ + + DNSServiceRefDeallocate(DNSSDRef); + DNSSDRef = NULL; ++#endif /* HAVE_DNSSD */ + + cupsArrayDelete(DNSSDPrinters); + DNSSDPrinters = NULL; + + DNSSDPort = 0; + } ++#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */ + + ++#ifdef HAVE_DNSSD + /* + * 'dnssdUpdate()' - Handle DNS-SD queries. + */ +@@ -2955,6 +3360,147 @@ + #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 - Number of 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. + */ +--- a/scheduler/dirsvc.h ++++ b/scheduler/dirsvc.h +@@ -31,6 +31,10 @@ + # endif /* HAVE_LDAP_SSL_H */ + #endif /* HAVE_LDAP */ + ++#ifdef HAVE_AVAHI ++# include <avahi-client/publish.h> ++#endif /* HAVE_AVAHI */ ++ + /* + * Browse protocols... + */ +@@ -131,19 +135,22 @@ + VAR cupsd_statbuf_t *PollStatusBuffer VALUE(NULL); + /* Status buffer for pollers */ + +-#ifdef HAVE_DNSSD ++#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) + VAR char *DNSSDComputerName VALUE(NULL), + /* Computer/server name */ + *DNSSDHostName VALUE(NULL), + /* Hostname */ + *DNSSDRegType VALUE(NULL); + /* Bonjour registration type */ +-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 /* defined(HAVE_DNSSD) || defined(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), +@@ -152,6 +159,17 @@ + /* 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); ++ /* Is AvahiClient object connecting? */ ++VAR AvahiEntryGroup *AvahiWebIFGroup VALUE(NULL); ++ /* Web interface entry group */ ++#endif /* HAVE_AVAHI */ ++ + #ifdef HAVE_LIBSLP + VAR SLPHandle BrowseSLPHandle VALUE(NULL); + /* SLP API handle */ +@@ -195,13 +213,14 @@ + 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 */ +--- a/scheduler/ipp.c ++++ b/scheduler/ipp.c +@@ -6087,7 +6087,7 @@ + ippAddDate(con->response, IPP_TAG_PRINTER, "printer-current-time", + ippTimeToDate(curtime)); + +-#ifdef HAVE_DNSSD ++#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) + if (!ra || cupsArrayFind(ra, "printer-dns-sd-name")) + { + if (printer->reg_name) +@@ -6097,7 +6097,7 @@ + ippAddInteger(con->response, IPP_TAG_PRINTER, IPP_TAG_NOVALUE, + "printer-dns-sd-name", 0); + } +-#endif /* HAVE_DNSSD */ ++#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */ + + if (!ra || cupsArrayFind(ra, "printer-error-policy")) + ippAddString(con->response, IPP_TAG_PRINTER, IPP_TAG_NAME, +--- a/scheduler/printers.c ++++ b/scheduler/printers.c +@@ -883,9 +883,9 @@ + cupsdClearString(&p->alert); + cupsdClearString(&p->alert_description); + +-#ifdef HAVE_DNSSD ++#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) + cupsdClearString(&p->pdl); +-#endif /* HAVE_DNSSD */ ++#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */ + + cupsArrayDelete(p->filetypes); + +@@ -3765,7 +3765,7 @@ + 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 */ +@@ -3821,7 +3821,7 @@ + + cupsdSetString(&p->pdl, pdl); + } +-#endif /* HAVE_DNSSD */ ++#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */ + } + + +--- a/scheduler/printers.h ++++ b/scheduler/printers.h +@@ -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> + + +@@ -95,16 +98,23 @@ + time_t marker_time; /* Last time marker attributes were updated */ + _ppd_cache_t *pc; /* PPD cache and mapping data */ + +-#ifdef HAVE_DNSSD ++#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) + char *reg_name, /* Name used for service registration */ +- *pdl, /* pdl value for TXT record */ +- *ipp_txt, /* IPP TXT record contents */ ++ *pdl; /* pdl value for TXT record */ ++#endif /* defined(HAVE_DNSSD) || defined(HAVE_AVAHI) */ ++#ifdef HAVE_DNSSD ++ 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 */ + }; + + +--- a/scheduler/conf.c ++++ b/scheduler/conf.c +@@ -650,7 +650,7 @@ + Browsing = CUPS_DEFAULT_BROWSING; + DefaultShared = CUPS_DEFAULT_DEFAULT_SHARED; + +-#ifdef HAVE_DNSSD ++#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) + cupsdSetString(&DNSSDRegType, "_ipp._tcp,_cups"); + #endif /* HAVE_DNSSD */ + |