diff options
| -rw-r--r-- | compat-bonjour/Makefile.am | 59 | ||||
| -rw-r--r-- | compat-bonjour/compat.c | 1004 | ||||
| -rw-r--r-- | compat-bonjour/dns_sd.h | 1670 | ||||
| -rw-r--r-- | compat-bonjour/funcs.txt | 32 | ||||
| -rw-r--r-- | compat-bonjour/txt-test.c | 129 | ||||
| -rw-r--r-- | compat-bonjour/txt.c | 491 | ||||
| -rw-r--r-- | compat-bonjour/unsupported.c | 120 | ||||
| -rw-r--r-- | compat-bonjour/warn.c | 85 | ||||
| -rw-r--r-- | compat-bonjour/warn.h | 32 |
9 files changed, 0 insertions, 3622 deletions
diff --git a/compat-bonjour/Makefile.am b/compat-bonjour/Makefile.am deleted file mode 100644 index 5a66743..0000000 --- a/compat-bonjour/Makefile.am +++ /dev/null @@ -1,59 +0,0 @@ -# $Id$ - -# This file is part of avahi. -# -# avahi is free software; you can redistribute it and/or modify it -# under the terms of the GNU Lesser General Public License as -# published by the Free Software Foundation; either version 2 of the -# License, or (at your option) any later version. -# -# avahi is distributed in the hope that it will be useful, but WITHOUT -# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public -# License for more details. -# -# You should have received a copy of the GNU Lesser General Public -# License along with avahi; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 -# USA. - -AM_CFLAGS=-I$(top_srcdir) - -# This cool debug trap works on i386/gcc only -AM_CFLAGS+='-DDEBUG_TRAP=__asm__("int $$3")' - -avahi_compat_libdns_sddir=$(includedir)/avahi-compat-libdns_sd - -avahi_compat_libdns_sd_HEADERS = dns_sd.h - -lib_LTLIBRARIES = libavahi-compat-libdns_sd.la - -noinst_PROGRAMS = txt-test - -libavahi_compat_libdns_sd_la_SOURCES = \ - dns_sd.h \ - compat.c \ - txt.c \ - unsupported.c \ - warn.c warn.h -libavahi_compat_libdns_sd_la_CFLAGS = $(AM_CFLAGS) $(PTHREAD_CFLAGS) -libavahi_compat_libdns_sd_la_LDFLAGS = $(AM_LDFLAGS) -export-dynamic -version-info $(LIBAVAHI_COMPAT_LIBDNS_SD_VERSION_INFO) $(PTHREAD_LIBS) ../avahi-common/libavahi-common.la ../avahi-client/libavahi-client.la - -txt_test_SOURCES = \ - dns_sd.h \ - txt.c \ - txt-test.c \ - warn.c warn.h -txt_test_CFLAGS = $(AM_CFLAGS) $(PTHREAD_CFLAGS) -txt_test_LDADD = $(AM_LDADD) ../avahi-common/libavahi-common.la - -# You can test the compatibility layer by sticking in mDNSResponder's -# dns-sd.c source here, naming it "libdns_sd-test.c" and running "make -# libdns_sd-test" manually. We do not distribute that file due to -# licensing restrictions. - -libdns_sd-test: libdns_sd-test.c libavahi-compat-libdns_sd.la - $(LIBTOOL) --mode=compile $(CC) $(CFLAGS) $(PTHREAD_CFLAGS) -o libdns_sd-test.o -c libdns_sd-test.c - $(LIBTOOL) --mode=link $(CC) $(CFLAGS) $(PTHREAD_CFLAGS) -o libdns_sd-test libdns_sd-test.o $(PTHREAD_LIBS) ../avahi-common/libavahi-common.la libavahi-compat-libdns_sd.la - -CLEANFILES = libdns_sd-test.o libdns_sd-test diff --git a/compat-bonjour/compat.c b/compat-bonjour/compat.c deleted file mode 100644 index 3e2eb9d..0000000 --- a/compat-bonjour/compat.c +++ /dev/null @@ -1,1004 +0,0 @@ -/* $Id$ */ - -/*** - This file is part of avahi. - - avahi is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as - published by the Free Software Foundation; either version 2.1 of the - License, or (at your option) any later version. - - avahi is distributed in the hope that it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General - Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with avahi; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. -***/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <pthread.h> -#include <assert.h> -#include <unistd.h> -#include <stdio.h> -#include <errno.h> -#include <string.h> -#include <signal.h> -#include <netinet/in.h> - -#include <avahi-common/simple-watch.h> -#include <avahi-common/malloc.h> -#include <avahi-common/error.h> -#include <avahi-common/domain.h> -#include <avahi-common/alternative.h> -#include <avahi-client/client.h> - -#include "warn.h" -#include "dns_sd.h" - -enum { - COMMAND_POLL = 'P', - COMMAND_QUIT = 'Q', - COMMAND_POLLED = 'D' -}; - -struct _DNSServiceRef_t { - int n_ref; - - AvahiSimplePoll *simple_poll; - - int thread_fd, main_fd; - - pthread_t thread; - int thread_running; - - pthread_mutex_t mutex; - - void *context; - DNSServiceBrowseReply service_browser_callback; - DNSServiceResolveReply service_resolver_callback; - DNSServiceDomainEnumReply domain_browser_callback; - DNSServiceRegisterReply service_register_callback; - - AvahiClient *client; - AvahiServiceBrowser *service_browser; - AvahiServiceResolver *service_resolver; - AvahiDomainBrowser *domain_browser; - - char *service_name, *service_name_chosen, *service_regtype, *service_domain, *service_host; - uint16_t service_port; - AvahiIfIndex service_interface; - AvahiStringList *service_txt; - - AvahiEntryGroup *entry_group; -}; - -#define ASSERT_SUCCESS(r) { int __ret = (r); assert(__ret == 0); } - -static DNSServiceErrorType map_error(int error) { - switch (error) { - case AVAHI_OK : - return kDNSServiceErr_NoError; - - case AVAHI_ERR_BAD_STATE : - return kDNSServiceErr_BadState; - - case AVAHI_ERR_INVALID_HOST_NAME: - case AVAHI_ERR_INVALID_DOMAIN_NAME: - case AVAHI_ERR_INVALID_TTL: - case AVAHI_ERR_IS_PATTERN: - case AVAHI_ERR_INVALID_RECORD: - case AVAHI_ERR_INVALID_SERVICE_NAME: - case AVAHI_ERR_INVALID_SERVICE_TYPE: - case AVAHI_ERR_INVALID_PORT: - case AVAHI_ERR_INVALID_KEY: - case AVAHI_ERR_INVALID_ADDRESS: - return kDNSServiceErr_BadParam; - - - case AVAHI_ERR_LOCAL_COLLISION: - return kDNSServiceErr_NameConflict; - - case AVAHI_ERR_TOO_MANY_CLIENTS: - case AVAHI_ERR_TOO_MANY_OBJECTS: - case AVAHI_ERR_TOO_MANY_ENTRIES: - case AVAHI_ERR_ACCESS_DENIED: - return kDNSServiceErr_Refused; - - case AVAHI_ERR_INVALID_OPERATION: - case AVAHI_ERR_INVALID_OBJECT: - return kDNSServiceErr_Invalid; - - case AVAHI_ERR_NO_MEMORY: - return kDNSServiceErr_NoMemory; - - case AVAHI_ERR_INVALID_INTERFACE: - case AVAHI_ERR_INVALID_PROTOCOL: - return kDNSServiceErr_BadInterfaceIndex; - - case AVAHI_ERR_INVALID_FLAGS: - return kDNSServiceErr_BadFlags; - - case AVAHI_ERR_NOT_FOUND: - return kDNSServiceErr_NoSuchName; - - case AVAHI_ERR_VERSION_MISMATCH: - return kDNSServiceErr_Incompatible; - - case AVAHI_ERR_NO_NETWORK: - case AVAHI_ERR_OS: - case AVAHI_ERR_INVALID_CONFIG: - case AVAHI_ERR_TIMEOUT: - case AVAHI_ERR_DBUS_ERROR: - case AVAHI_ERR_NOT_CONNECTED: - case AVAHI_ERR_NO_DAEMON: - break; - - } - - return kDNSServiceErr_Unknown; -} - -static int read_command(int fd) { - ssize_t r; - char command; - - assert(fd >= 0); - - if ((r = read(fd, &command, 1)) != 1) { - fprintf(stderr, __FILE__": read() failed: %s\n", r < 0 ? strerror(errno) : "EOF"); - return -1; - } - - return command; -} - -static int write_command(int fd, char reply) { - assert(fd >= 0); - - if (write(fd, &reply, 1) != 1) { - fprintf(stderr, __FILE__": write() failed: %s\n", strerror(errno)); - return -1; - } - - return 0; -} - -static int poll_func(struct pollfd *ufds, unsigned int nfds, int timeout, void *userdata) { - DNSServiceRef sdref = userdata; - int ret; - - assert(sdref); - - ASSERT_SUCCESS(pthread_mutex_unlock(&sdref->mutex)); - -/* fprintf(stderr, "pre-syscall\n"); */ - ret = poll(ufds, nfds, timeout); -/* fprintf(stderr, "post-syscall\n"); */ - - ASSERT_SUCCESS(pthread_mutex_lock(&sdref->mutex)); - - return ret; -} - -static void * thread_func(void *data) { - DNSServiceRef sdref = data; - sigset_t mask; - - sigfillset(&mask); - pthread_sigmask(SIG_BLOCK, &mask, NULL); - - sdref->thread = pthread_self(); - sdref->thread_running = 1; - - for (;;) { - char command; - - if ((command = read_command(sdref->thread_fd)) < 0) - break; - -/* fprintf(stderr, "Command: %c\n", command); */ - - switch (command) { - - case COMMAND_POLL: - - ASSERT_SUCCESS(pthread_mutex_lock(&sdref->mutex)); - - - if (avahi_simple_poll_run(sdref->simple_poll) < 0) { - fprintf(stderr, __FILE__": avahi_simple_poll_run() failed.\n"); - ASSERT_SUCCESS(pthread_mutex_unlock(&sdref->mutex)); - break; - } - - if (write_command(sdref->thread_fd, COMMAND_POLLED) < 0) { - ASSERT_SUCCESS(pthread_mutex_unlock(&sdref->mutex)); - break; - } - - ASSERT_SUCCESS(pthread_mutex_unlock(&sdref->mutex)); - - break; - - case COMMAND_QUIT: - return NULL; - } - - } - - return NULL; -} - -static DNSServiceRef sdref_new(void) { - int fd[2] = { -1, -1 }; - DNSServiceRef sdref = NULL; - pthread_mutexattr_t mutex_attr; - - if (socketpair(AF_UNIX, SOCK_STREAM, 0, fd) < 0) - goto fail; - - if (!(sdref = avahi_new(struct _DNSServiceRef_t, 1))) - goto fail; - - sdref->n_ref = 1; - sdref->thread_fd = fd[0]; - sdref->main_fd = fd[1]; - - sdref->client = NULL; - sdref->service_browser = NULL; - sdref->service_resolver = NULL; - sdref->domain_browser = NULL; - sdref->entry_group = NULL; - - sdref->service_name = sdref->service_name_chosen = sdref->service_regtype = sdref->service_domain = sdref->service_host = NULL; - sdref->service_txt = NULL; - - ASSERT_SUCCESS(pthread_mutexattr_init(&mutex_attr)); - pthread_mutexattr_settype(&mutex_attr, PTHREAD_MUTEX_RECURSIVE); - ASSERT_SUCCESS(pthread_mutex_init(&sdref->mutex, NULL)); - - sdref->thread_running = 0; - - if (!(sdref->simple_poll = avahi_simple_poll_new())) - goto fail; - - avahi_simple_poll_set_func(sdref->simple_poll, poll_func, sdref); - - /* Start simple poll */ - if (avahi_simple_poll_prepare(sdref->simple_poll, -1) < 0) - goto fail; - - /* Queue a initiall POLL command for the thread */ - if (write_command(sdref->main_fd, COMMAND_POLL) < 0) - goto fail; - - if (pthread_create(&sdref->thread, NULL, thread_func, sdref) != 0) - goto fail; - - sdref->thread_running = 1; - - return sdref; - -fail: - - if (sdref) - DNSServiceRefDeallocate(sdref); - - return NULL; -} - -static void sdref_free(DNSServiceRef sdref) { - assert(sdref); - - if (sdref->thread_running) { - write_command(sdref->main_fd, COMMAND_QUIT); - avahi_simple_poll_wakeup(sdref->simple_poll); - pthread_join(sdref->thread, NULL); - } - - if (sdref->client) - avahi_client_free(sdref->client); - - if (sdref->thread_fd >= 0) - close(sdref->thread_fd); - - if (sdref->main_fd >= 0) - close(sdref->main_fd); - - if (sdref->simple_poll) - avahi_simple_poll_free(sdref->simple_poll); - - pthread_mutex_destroy(&sdref->mutex); - - avahi_free(sdref->service_name); - avahi_free(sdref->service_name_chosen); - avahi_free(sdref->service_regtype); - avahi_free(sdref->service_domain); - avahi_free(sdref->service_host); - - avahi_string_list_free(sdref->service_txt); - - avahi_free(sdref); -} - -static void sdref_ref(DNSServiceRef sdref) { - assert(sdref); - assert(sdref->n_ref >= 1); - - sdref->n_ref++; -} - -static void sdref_unref(DNSServiceRef sdref) { - assert(sdref); - assert(sdref->n_ref >= 1); - - if (--(sdref->n_ref) <= 0) - sdref_free(sdref); -} - -int DNSSD_API DNSServiceRefSockFD(DNSServiceRef sdref) { - assert(sdref); - assert(sdref->n_ref >= 1); - - AVAHI_WARN_LINKAGE; - - return sdref->main_fd; -} - -DNSServiceErrorType DNSSD_API DNSServiceProcessResult(DNSServiceRef sdref) { - DNSServiceErrorType ret = kDNSServiceErr_Unknown; - - assert(sdref); - assert(sdref->n_ref >= 1); - - AVAHI_WARN_LINKAGE; - - sdref_ref(sdref); - - ASSERT_SUCCESS(pthread_mutex_lock(&sdref->mutex)); - - /* Cleanup notification socket */ - if (read_command(sdref->main_fd) != COMMAND_POLLED) - goto finish; - - if (avahi_simple_poll_dispatch(sdref->simple_poll) < 0) - goto finish; - - if (sdref->n_ref > 1) /* Perhaps we should die */ - - /* Dispatch events */ - if (avahi_simple_poll_prepare(sdref->simple_poll, -1) < 0) - goto finish; - - if (sdref->n_ref > 1) - - /* Request the poll */ - if (write_command(sdref->main_fd, COMMAND_POLL) < 0) - goto finish; - - ret = kDNSServiceErr_NoError; - -finish: - - ASSERT_SUCCESS(pthread_mutex_unlock(&sdref->mutex)); - - sdref_unref(sdref); - - return ret; -} - -void DNSSD_API DNSServiceRefDeallocate(DNSServiceRef sdref) { - assert(sdref); - assert(sdref->n_ref >= 1); - - AVAHI_WARN_LINKAGE; - - sdref_unref(sdref); -} - -static void service_browser_callback( - AvahiServiceBrowser *b, - AvahiIfIndex interface, - AvahiProtocol protocol, - AvahiBrowserEvent event, - const char *name, - const char *type, - const char *domain, - AvahiLookupResultFlags flags, - void *userdata) { - - DNSServiceRef sdref = userdata; - - assert(b); - assert(sdref); - assert(sdref->n_ref >= 1); - - switch (event) { - case AVAHI_BROWSER_NEW: - sdref->service_browser_callback(sdref, kDNSServiceFlagsAdd, interface, kDNSServiceErr_NoError, name, type, domain, sdref->context); - break; - - case AVAHI_BROWSER_REMOVE: - sdref->service_browser_callback(sdref, 0, interface, kDNSServiceErr_NoError, name, type, domain, sdref->context); - break; - - case AVAHI_BROWSER_FAILURE: - sdref->service_browser_callback(sdref, 0, interface, kDNSServiceErr_Unknown, NULL, NULL, NULL, sdref->context); - break; - - case AVAHI_BROWSER_NOT_FOUND: - sdref->service_browser_callback(sdref, 0, interface, kDNSServiceErr_NoSuchName, NULL, NULL, NULL, sdref->context); - break; - - case AVAHI_BROWSER_CACHE_EXHAUSTED: - case AVAHI_BROWSER_ALL_FOR_NOW: - break; - } -} - -static void generic_client_callback(AvahiClient *s, AvahiClientState state, void* userdata) { - DNSServiceRef sdref = userdata; - - assert(s); - assert(sdref); - assert(sdref->n_ref >= 1); - - switch (state) { - case AVAHI_CLIENT_DISCONNECTED: { - - if (sdref->service_browser_callback) - sdref->service_browser_callback(sdref, 0, 0, kDNSServiceErr_Unknown, NULL, NULL, NULL, sdref->context); - else if (sdref->service_resolver_callback) - sdref->service_resolver_callback(sdref, 0, 0, kDNSServiceErr_Unknown, NULL, NULL, 0, 0, NULL, sdref->context); - else if (sdref->domain_browser_callback) - sdref->domain_browser_callback(sdref, 0, 0, kDNSServiceErr_Unknown, NULL, sdref->context); - - break; - } - - case AVAHI_CLIENT_S_RUNNING: - case AVAHI_CLIENT_S_COLLISION: - case AVAHI_CLIENT_S_INVALID: - case AVAHI_CLIENT_S_REGISTERING: - break; - } -} - -DNSServiceErrorType DNSSD_API DNSServiceBrowse( - DNSServiceRef *ret_sdref, - DNSServiceFlags flags, - uint32_t interface, - const char *regtype, - const char *domain, - DNSServiceBrowseReply callback, - void *context) { - - DNSServiceErrorType ret = kDNSServiceErr_Unknown; - int error; - DNSServiceRef sdref = NULL; - AvahiIfIndex ifindex; - - AVAHI_WARN_LINKAGE; - - assert(ret_sdref); - assert(regtype); - assert(domain); - assert(callback); - - if (interface == kDNSServiceInterfaceIndexLocalOnly || flags != 0) - return kDNSServiceErr_Unsupported; - - if (!(sdref = sdref_new())) - return kDNSServiceErr_Unknown; - - sdref->context = context; - sdref->service_browser_callback = callback; - - ASSERT_SUCCESS(pthread_mutex_lock(&sdref->mutex)); - - if (!(sdref->client = avahi_client_new(avahi_simple_poll_get(sdref->simple_poll), generic_client_callback, sdref, &error))) { - ret = map_error(error); - goto finish; - } - - ifindex = interface == kDNSServiceInterfaceIndexAny ? AVAHI_IF_UNSPEC : (AvahiIfIndex) interface; - - if (!(sdref->service_browser = avahi_service_browser_new(sdref->client, ifindex, AVAHI_PROTO_UNSPEC, regtype, domain, 0, service_browser_callback, sdref))) { - ret = map_error(avahi_client_errno(sdref->client)); - goto finish; - } - - ret = kDNSServiceErr_NoError; - *ret_sdref = sdref; - -finish: - - ASSERT_SUCCESS(pthread_mutex_unlock(&sdref->mutex)); - - if (ret != kDNSServiceErr_NoError) - DNSServiceRefDeallocate(sdref); - - return ret; -} - -static void service_resolver_callback( - AvahiServiceResolver *r, - AvahiIfIndex interface, - AvahiProtocol protocol, - AvahiResolverEvent event, - const char *name, - const char *type, - const char *domain, - const char *host_name, - const AvahiAddress *a, - uint16_t port, - AvahiStringList *txt, - AvahiLookupResultFlags flags, - void *userdata) { - - DNSServiceRef sdref = userdata; - - assert(r); - assert(sdref); - assert(sdref->n_ref >= 1); - - switch (event) { - case AVAHI_RESOLVER_FOUND: { - - char full_name[kDNSServiceMaxDomainName]; - int ret; - char *p = NULL; - size_t l = 0; - - if ((p = avahi_new0(char, (l = avahi_string_list_serialize(txt, NULL, 0))+1))) - avahi_string_list_serialize(txt, p, l); - - ret = avahi_service_name_snprint(full_name, sizeof(full_name), name, type, domain); - assert(ret == AVAHI_OK); - - sdref->service_resolver_callback(sdref, 0, interface, kDNSServiceErr_NoError, full_name, host_name, htons(port), l, p, sdref->context); - - avahi_free(p); - break; - } - - case AVAHI_RESOLVER_TIMEOUT: - case AVAHI_RESOLVER_NOT_FOUND: - sdref->service_resolver_callback(sdref, 0, interface, kDNSServiceErr_NoSuchName, NULL, NULL, 0, 0, NULL, sdref->context); - break; - - case AVAHI_RESOLVER_FAILURE: - sdref->service_resolver_callback(sdref, 0, interface, kDNSServiceErr_Unknown, NULL, NULL, 0, 0, NULL, sdref->context); - - } -} - -DNSServiceErrorType DNSSD_API DNSServiceResolve( - DNSServiceRef *ret_sdref, - DNSServiceFlags flags, - uint32_t interface, - const char *name, - const char *regtype, - const char *domain, - DNSServiceResolveReply callback, - void *context) { - - DNSServiceErrorType ret = kDNSServiceErr_Unknown; - int error; - DNSServiceRef sdref = NULL; - AvahiIfIndex ifindex; - - AVAHI_WARN_LINKAGE; - - assert(ret_sdref); - assert(name); - assert(regtype); - assert(domain); - assert(callback); - - if (interface == kDNSServiceInterfaceIndexLocalOnly || flags != 0) - return kDNSServiceErr_Unsupported; - - if (!(sdref = sdref_new())) - return kDNSServiceErr_Unknown; - - sdref->context = context; - sdref->service_resolver_callback = callback; - - ASSERT_SUCCESS(pthread_mutex_lock(&sdref->mutex)); - - if (!(sdref->client = avahi_client_new(avahi_simple_poll_get(sdref->simple_poll), generic_client_callback, sdref, &error))) { - ret = map_error(error); - goto finish; - } - - ifindex = interface == kDNSServiceInterfaceIndexAny ? AVAHI_IF_UNSPEC : (AvahiIfIndex) interface; - - if (!(sdref->service_resolver = avahi_service_resolver_new(sdref->client, ifindex, AVAHI_PROTO_UNSPEC, name, regtype, domain, AVAHI_PROTO_UNSPEC, 0, service_resolver_callback, sdref))) { - ret = map_error(avahi_client_errno(sdref->client)); - goto finish; - } - - - ret = kDNSServiceErr_NoError; - *ret_sdref = sdref; - -finish: - - ASSERT_SUCCESS(pthread_mutex_unlock(&sdref->mutex)); - - if (ret != kDNSServiceErr_NoError) - DNSServiceRefDeallocate(sdref); - - return ret; -} - -int DNSSD_API DNSServiceConstructFullName ( - char *fullName, - const char *service, - const char *regtype, - const char *domain) { - - AVAHI_WARN_LINKAGE; - - assert(fullName); - assert(regtype); - assert(domain); - - if (avahi_service_name_snprint(fullName, kDNSServiceMaxDomainName, service, regtype, domain) < 0) - return -1; - - return 0; -} - -static void domain_browser_callback( - AvahiDomainBrowser *b, - AvahiIfIndex interface, - AvahiProtocol protocol, - AvahiBrowserEvent event, - const char *domain, - AvahiLookupResultFlags flags, - void *userdata) { - - DNSServiceRef sdref = userdata; - - assert(b); - assert(sdref); - assert(sdref->n_ref >= 1); - - switch (event) { - case AVAHI_BROWSER_NEW: - sdref->domain_browser_callback(sdref, kDNSServiceFlagsAdd, interface, kDNSServiceErr_NoError, domain, sdref->context); - break; - - case AVAHI_BROWSER_REMOVE: - sdref->domain_browser_callback(sdref, 0, interface, kDNSServiceErr_NoError, domain, sdref->context); - break; - - case AVAHI_BROWSER_FAILURE: - sdref->domain_browser_callback(sdref, 0, interface, kDNSServiceErr_Unknown, domain, sdref->context); - break; - - case AVAHI_BROWSER_NOT_FOUND: - sdref->domain_browser_callback(sdref, 0, interface, kDNSServiceErr_NoSuchName, domain, sdref->context); - break; - - case AVAHI_BROWSER_CACHE_EXHAUSTED: - case AVAHI_BROWSER_ALL_FOR_NOW: - break; - } -} - -DNSServiceErrorType DNSSD_API DNSServiceEnumerateDomains( - DNSServiceRef *ret_sdref, - DNSServiceFlags flags, - uint32_t interface, - DNSServiceDomainEnumReply callback, - void *context) { - - DNSServiceErrorType ret = kDNSServiceErr_Unknown; - int error; - DNSServiceRef sdref = NULL; - AvahiIfIndex ifindex; - - AVAHI_WARN_LINKAGE; - - assert(ret_sdref); - assert(callback); - - if (interface == kDNSServiceInterfaceIndexLocalOnly || - (flags != kDNSServiceFlagsBrowseDomains && flags != kDNSServiceFlagsRegistrationDomains)) - return kDNSServiceErr_Unsupported; - - if (!(sdref = sdref_new())) - return kDNSServiceErr_Unknown; - - sdref->context = context; - sdref->domain_browser_callback = callback; - - ASSERT_SUCCESS(pthread_mutex_lock(&sdref->mutex)); - - if (!(sdref->client = avahi_client_new(avahi_simple_poll_get(sdref->simple_poll), generic_client_callback, sdref, &error))) { - ret = map_error(error); - goto finish; - } - - ifindex = interface == kDNSServiceInterfaceIndexAny ? AVAHI_IF_UNSPEC : (AvahiIfIndex) interface; - - if (!(sdref->domain_browser = avahi_domain_browser_new(sdref->client, ifindex, AVAHI_PROTO_UNSPEC, NULL, - flags == kDNSServiceFlagsRegistrationDomains ? AVAHI_DOMAIN_BROWSER_REGISTER : AVAHI_DOMAIN_BROWSER_BROWSE, - 0, domain_browser_callback, sdref))) { - ret = map_error(avahi_client_errno(sdref->client)); - goto finish; - } - - ret = kDNSServiceErr_NoError; - *ret_sdref = sdref; - -finish: - - ASSERT_SUCCESS(pthread_mutex_unlock(&sdref->mutex)); - - if (ret != kDNSServiceErr_NoError) - DNSServiceRefDeallocate(sdref); - - return ret; -} - -static void reg_report_error(DNSServiceRef sdref, DNSServiceErrorType error) { - assert(sdref); - assert(sdref->n_ref >= 1); - - assert(sdref->service_register_callback); - - sdref->service_register_callback( - sdref, 0, error, - sdref->service_name_chosen ? sdref->service_name_chosen : sdref->service_name, - sdref->service_regtype, - sdref->service_domain, - sdref->context); -} - -static int reg_create_service(DNSServiceRef sdref) { - int ret; - assert(sdref); - assert(sdref->n_ref >= 1); - - if ((ret = avahi_entry_group_add_service_strlst( - sdref->entry_group, - sdref->service_interface, - AVAHI_PROTO_UNSPEC, - 0, - sdref->service_name_chosen, - sdref->service_regtype, - sdref->service_domain, - sdref->service_host, - sdref->service_port, - sdref->service_txt)) < 0) - return ret; - - if ((ret = avahi_entry_group_commit(sdref->entry_group)) < 0) - return ret; - - return 0; -} - -static void reg_client_callback(AvahiClient *s, AvahiClientState state, void* userdata) { - DNSServiceRef sdref = userdata; - - assert(s); - assert(sdref); - assert(sdref->n_ref >= 1); - - /* We've not been setup completely */ - if (!sdref->entry_group) - return; - - switch (state) { - case AVAHI_CLIENT_DISCONNECTED: { - - reg_report_error(sdref, kDNSServiceErr_NoError); - break; - } - - case AVAHI_CLIENT_S_RUNNING: { - int ret; - - if (!sdref->service_name) { - const char *n; - /* If the service name is taken from the host name, copy that */ - - avahi_free(sdref->service_name_chosen); - - if (!(n = avahi_client_get_host_name(sdref->client))) { - reg_report_error(sdref, map_error(avahi_client_errno(sdref->client))); - return; - } - - if (!(sdref->service_name_chosen = avahi_strdup(n))) { - reg_report_error(sdref, kDNSServiceErr_NoMemory); - return; - } - } - - /* Register the service */ - - if ((ret = reg_create_service(sdref)) < 0) { - reg_report_error(sdref, map_error(ret)); - return; - } - - break; - } - - case AVAHI_CLIENT_S_COLLISION: - - /* Remove our entry */ - avahi_entry_group_reset(sdref->entry_group); - - break; - - case AVAHI_CLIENT_S_INVALID: - case AVAHI_CLIENT_S_REGISTERING: - /* Ignore */ - break; - } - -} - -static void reg_entry_group_callback(AvahiEntryGroup *g, AvahiEntryGroupState state, void *userdata) { - DNSServiceRef sdref = userdata; - - assert(g); - - switch (state) { - case AVAHI_ENTRY_GROUP_ESTABLISHED: - /* Inform the user */ - reg_report_error(sdref, kDNSServiceErr_NoError); - - break; - - case AVAHI_ENTRY_GROUP_COLLISION: { - char *n; - int ret; - - /* Remove our entry */ - avahi_entry_group_reset(sdref->entry_group); - - assert(sdref->service_name_chosen); - - /* Pick a new name */ - if (!(n = avahi_alternative_service_name(sdref->service_name_chosen))) { - reg_report_error(sdref, kDNSServiceErr_NoMemory); - return; - } - avahi_free(sdref->service_name_chosen); - sdref->service_name_chosen = n; - - /* Register the service with that new name */ - if ((ret = reg_create_service(sdref)) < 0) { - reg_report_error(sdref, map_error(ret)); - return; - } - - break; - } - - case AVAHI_ENTRY_GROUP_REGISTERING: - case AVAHI_ENTRY_GROUP_UNCOMMITED: - /* Ignore */ - break; - } -} - -DNSServiceErrorType DNSSD_API DNSServiceRegister ( - DNSServiceRef *ret_sdref, - DNSServiceFlags flags, - uint32_t interface, - const char *name, - const char *regtype, - const char *domain, - const char *host, - uint16_t port, - uint16_t txtLen, - const void *txtRecord, - DNSServiceRegisterReply callback, - void *context) { - - DNSServiceErrorType ret = kDNSServiceErr_Unknown; - int error; - DNSServiceRef sdref = NULL; - - AVAHI_WARN_LINKAGE; - - assert(ret_sdref); - assert(callback); - assert(regtype); - - if (interface == kDNSServiceInterfaceIndexLocalOnly || flags) - return kDNSServiceErr_Unsupported; - - if (!(sdref = sdref_new())) - return kDNSServiceErr_Unknown; - - sdref->context = context; - sdref->service_register_callback = callback; - - sdref->service_name = avahi_strdup(name); - sdref->service_regtype = avahi_strdup(regtype); - sdref->service_domain = avahi_strdup(domain); - sdref->service_host = avahi_strdup(host); - sdref->service_interface = interface == kDNSServiceInterfaceIndexAny ? AVAHI_IF_UNSPEC : (AvahiIfIndex) interface; - sdref->service_port = ntohs(port); - sdref->service_txt = txtRecord ? avahi_string_list_parse(txtRecord, txtLen) : NULL; - - ASSERT_SUCCESS(pthread_mutex_lock(&sdref->mutex)); - - if (!(sdref->client = avahi_client_new(avahi_simple_poll_get(sdref->simple_poll), reg_client_callback, sdref, &error))) { - ret = map_error(error); - goto finish; - } - - if (!sdref->service_domain) { - const char *d; - - if (!(d = avahi_client_get_domain_name(sdref->client))) { - ret = map_error(avahi_client_errno(sdref->client)); - goto finish; - } - - if (!(sdref->service_domain = avahi_strdup(d))) { - ret = kDNSServiceErr_NoMemory; - goto finish; - } - } - - if (!(sdref->entry_group = avahi_entry_group_new(sdref->client, reg_entry_group_callback, sdref))) { - ret = map_error(avahi_client_errno(sdref->client)); - goto finish; - } - - if (avahi_client_get_state(sdref->client) == AVAHI_CLIENT_S_RUNNING) { - const char *n; - - if (sdref->service_name) - n = sdref->service_name; - else { - if (!(n = avahi_client_get_host_name(sdref->client))) { - ret = map_error(avahi_client_errno(sdref->client)); - goto finish; - } - } - - if (!(sdref->service_name_chosen = avahi_strdup(n))) { - ret = kDNSServiceErr_NoMemory; - goto finish; - } - - - if ((error = reg_create_service(sdref)) < 0) { - ret = map_error(error); - goto finish; - } - } - - ret = kDNSServiceErr_NoError; - *ret_sdref = sdref; - -finish: - - ASSERT_SUCCESS(pthread_mutex_unlock(&sdref->mutex)); - - if (ret != kDNSServiceErr_NoError) - DNSServiceRefDeallocate(sdref); - - return ret; -} - diff --git a/compat-bonjour/dns_sd.h b/compat-bonjour/dns_sd.h deleted file mode 100644 index fa18cce..0000000 --- a/compat-bonjour/dns_sd.h +++ /dev/null @@ -1,1670 +0,0 @@ -/* - * Copyright (c) 2003-2004, Apple Computer, Inc. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of its - * contributors may be used to endorse or promote products derived from this - * software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef _DNS_SD_H -#define _DNS_SD_H - -#ifdef __cplusplus - extern "C" { -#endif - -/* standard calling convention under Win32 is __stdcall */ -#if defined(_WIN32) -#define DNSSD_API __stdcall -#else -#define DNSSD_API -#endif - -#if defined(__FreeBSD_version) && (__FreeBSD_version < 500000) -/* stdint.h does not exist on FreeBSD 4.x; its types are defined in sys/types.h instead */ -#include <sys/types.h> -#elif defined(__sun__) -#include <sys/types.h> -#elif defined(_WIN32) -#include <windows.h> -#define _UNUSED -#define bzero(a, b) memset(a, 0, b) -#ifndef _MSL_STDINT_H -typedef UINT8 uint8_t; -typedef INT8 int8_t; -typedef UINT16 uint16_t; -typedef INT16 int16_t; -typedef UINT32 uint32_t; -typedef INT32 int32_t; -#endif -#else -#include <stdint.h> -#endif - -/* DNSServiceRef, DNSRecordRef - * - * Opaque internal data types. - * Note: client is responsible for serializing access to these structures if - * they are shared between concurrent threads. - */ - -typedef struct _DNSServiceRef_t *DNSServiceRef; -typedef struct _DNSRecordRef_t *DNSRecordRef; - -/* General flags used in functions defined below */ -enum - { - kDNSServiceFlagsMoreComing = 0x1, - /* MoreComing indicates to a callback that at least one more result is - * queued and will be delivered following immediately after this one. - * Applications should not update their UI to display browse - * results when the MoreComing flag is set, because this would - * result in a great deal of ugly flickering on the screen. - * Applications should instead wait until until MoreComing is not set, - * and then update their UI. - * When MoreComing is not set, that doesn't mean there will be no more - * answers EVER, just that there are no more answers immediately - * available right now at this instant. If more answers become available - * in the future they will be delivered as usual. - */ - - kDNSServiceFlagsAdd = 0x2, - kDNSServiceFlagsDefault = 0x4, - /* Flags for domain enumeration and browse/query reply callbacks. - * "Default" applies only to enumeration and is only valid in - * conjuction with "Add". An enumeration callback with the "Add" - * flag NOT set indicates a "Remove", i.e. the domain is no longer - * valid. - */ - - kDNSServiceFlagsNoAutoRename = 0x8, - /* Flag for specifying renaming behavior on name conflict when registering - * non-shared records. By default, name conflicts are automatically handled - * by renaming the service. NoAutoRename overrides this behavior - with this - * flag set, name conflicts will result in a callback. The NoAutorename flag - * is only valid if a name is explicitly specified when registering a service - * (i.e. the default name is not used.) - */ - - kDNSServiceFlagsShared = 0x10, - kDNSServiceFlagsUnique = 0x20, - /* Flag for registering individual records on a connected - * DNSServiceRef. Shared indicates that there may be multiple records - * with this name on the network (e.g. PTR records). Unique indicates that the - * record's name is to be unique on the network (e.g. SRV records). - */ - - kDNSServiceFlagsBrowseDomains = 0x40, - kDNSServiceFlagsRegistrationDomains = 0x80, - /* Flags for specifying domain enumeration type in DNSServiceEnumerateDomains. - * BrowseDomains enumerates domains recommended for browsing, RegistrationDomains - * enumerates domains recommended for registration. - */ - - kDNSServiceFlagsLongLivedQuery = 0x100, - /* Flag for creating a long-lived unicast query for the DNSServiceQueryRecord call. */ - - kDNSServiceFlagsAllowRemoteQuery = 0x200, - /* Flag for creating a record for which we will answer remote queries - * (queries from hosts more than one hop away; hosts not directly connected to the local link). - */ - - kDNSServiceFlagsForceMulticast = 0x400 - /* Flag for signifying that a query or registration should be performed exclusively via multicast DNS, - * even for a name in a domain (e.g. foo.apple.com.) that would normally imply unicast DNS. - */ - }; - -/* - * The values for DNS Classes and Types are listed in RFC 1035, and are available - * on every OS in its DNS header file. Unfortunately every OS does not have the - * same header file containing DNS Class and Type constants, and the names of - * the constants are not consistent. For example, BIND 8 uses "T_A", - * BIND 9 uses "ns_t_a", Windows uses "DNS_TYPE_A", etc. - * For this reason, these constants are also listed here, so that code using - * the DNS-SD programming APIs can use these constants, so that the same code - * can compile on all our supported platforms. - */ - -enum - { - kDNSServiceClass_IN = 1 /* Internet */ - }; - -enum - { - kDNSServiceType_A = 1, /* Host address. */ - kDNSServiceType_NS = 2, /* Authoritative server. */ - kDNSServiceType_MD = 3, /* Mail destination. */ - kDNSServiceType_MF = 4, /* Mail forwarder. */ - kDNSServiceType_CNAME = 5, /* Canonical name. */ - kDNSServiceType_SOA = 6, /* Start of authority zone. */ - kDNSServiceType_MB = 7, /* Mailbox domain name. */ - kDNSServiceType_MG = 8, /* Mail group member. */ - kDNSServiceType_MR = 9, /* Mail rename name. */ - kDNSServiceType_NULL = 10, /* Null resource record. */ - kDNSServiceType_WKS = 11, /* Well known service. */ - kDNSServiceType_PTR = 12, /* Domain name pointer. */ - kDNSServiceType_HINFO = 13, /* Host information. */ - kDNSServiceType_MINFO = 14, /* Mailbox information. */ - kDNSServiceType_MX = 15, /* Mail routing information. */ - kDNSServiceType_TXT = 16, /* One or more text strings. */ - kDNSServiceType_RP = 17, /* Responsible person. */ - kDNSServiceType_AFSDB = 18, /* AFS cell database. */ - kDNSServiceType_X25 = 19, /* X_25 calling address. */ - kDNSServiceType_ISDN = 20, /* ISDN calling address. */ - kDNSServiceType_RT = 21, /* Router. */ - kDNSServiceType_NSAP = 22, /* NSAP address. */ - kDNSServiceType_NSAP_PTR = 23, /* Reverse NSAP lookup (deprecated). */ - kDNSServiceType_SIG = 24, /* Security signature. */ - kDNSServiceType_KEY = 25, /* Security key. */ - kDNSServiceType_PX = 26, /* X.400 mail mapping. */ - kDNSServiceType_GPOS = 27, /* Geographical position (withdrawn). */ - kDNSServiceType_AAAA = 28, /* Ip6 Address. */ - kDNSServiceType_LOC = 29, /* Location Information. */ - kDNSServiceType_NXT = 30, /* Next domain (security). */ - kDNSServiceType_EID = 31, /* Endpoint identifier. */ - kDNSServiceType_NIMLOC = 32, /* Nimrod Locator. */ - kDNSServiceType_SRV = 33, /* Server Selection. */ - kDNSServiceType_ATMA = 34, /* ATM Address */ - kDNSServiceType_NAPTR = 35, /* Naming Authority PoinTeR */ - kDNSServiceType_KX = 36, /* Key Exchange */ - kDNSServiceType_CERT = 37, /* Certification record */ - kDNSServiceType_A6 = 38, /* IPv6 address (deprecates AAAA) */ - kDNSServiceType_DNAME = 39, /* Non-terminal DNAME (for IPv6) */ - kDNSServiceType_SINK = 40, /* Kitchen sink (experimentatl) */ - kDNSServiceType_OPT = 41, /* EDNS0 option (meta-RR) */ - kDNSServiceType_TKEY = 249, /* Transaction key */ - kDNSServiceType_TSIG = 250, /* Transaction signature. */ - kDNSServiceType_IXFR = 251, /* Incremental zone transfer. */ - kDNSServiceType_AXFR = 252, /* Transfer zone of authority. */ - kDNSServiceType_MAILB = 253, /* Transfer mailbox records. */ - kDNSServiceType_MAILA = 254, /* Transfer mail agent records. */ - kDNSServiceType_ANY = 255 /* Wildcard match. */ - }; - - -/* possible error code values */ -enum - { - kDNSServiceErr_NoError = 0, - kDNSServiceErr_Unknown = -65537, /* 0xFFFE FFFF */ - kDNSServiceErr_NoSuchName = -65538, - kDNSServiceErr_NoMemory = -65539, - kDNSServiceErr_BadParam = -65540, - kDNSServiceErr_BadReference = -65541, - kDNSServiceErr_BadState = -65542, - kDNSServiceErr_BadFlags = -65543, - kDNSServiceErr_Unsupported = -65544, - kDNSServiceErr_NotInitialized = -65545, - kDNSServiceErr_AlreadyRegistered = -65547, - kDNSServiceErr_NameConflict = -65548, - kDNSServiceErr_Invalid = -65549, - kDNSServiceErr_Firewall = -65550, - kDNSServiceErr_Incompatible = -65551, /* client library incompatible with daemon */ - kDNSServiceErr_BadInterfaceIndex = -65552, - kDNSServiceErr_Refused = -65553, - kDNSServiceErr_NoSuchRecord = -65554, - kDNSServiceErr_NoAuth = -65555, - kDNSServiceErr_NoSuchKey = -65556, - kDNSServiceErr_NATTraversal = -65557, - kDNSServiceErr_DoubleNAT = -65558, - kDNSServiceErr_BadTime = -65559 - /* mDNS Error codes are in the range - * FFFE FF00 (-65792) to FFFE FFFF (-65537) */ - }; - - -/* Maximum length, in bytes, of a service name represented as a */ -/* literal C-String, including the terminating NULL at the end. */ - -#define kDNSServiceMaxServiceName 64 - -/* Maximum length, in bytes, of a domain name represented as an *escaped* C-String */ -/* including the final trailing dot, and the C-String terminating NULL at the end. */ - -#define kDNSServiceMaxDomainName 1005 - -/* - * Notes on DNS Name Escaping - * -- or -- - * "Why is kDNSServiceMaxDomainName 1005, when the maximum legal domain name is 255 bytes?" - * - * All strings used in DNS-SD are UTF-8 strings. - * With few exceptions, most are also escaped using standard DNS escaping rules: - * - * '\\' represents a single literal '\' in the name - * '\.' represents a single literal '.' in the name - * '\ddd', where ddd is a three-digit decimal value from 000 to 255, - * represents a single literal byte with that value. - * A bare unescaped '.' is a label separator, marking a boundary between domain and subdomain. - * - * The exceptions, that do not use escaping, are the routines where the full - * DNS name of a resource is broken, for convenience, into servicename/regtype/domain. - * In these routines, the "servicename" is NOT escaped. It does not need to be, since - * it is, by definition, just a single literal string. Any characters in that string - * represent exactly what they are. The "regtype" portion is, technically speaking, - * escaped, but since legal regtypes are only allowed to contain letters, digits, - * and hyphens, there is nothing to escape, so the issue is moot. The "domain" - * portion is also escaped, though most domains in use on the public Internet - * today, like regtypes, don't contain any characters that need to be escaped. - * As DNS-SD becomes more popular, rich-text domains for service discovery will - * become common, so software should be written to cope with domains with escaping. - * - * The servicename may be up to 63 bytes of UTF-8 text (not counting the C-String - * terminating NULL at the end). The regtype is of the form _service._tcp or - * _service._udp, where the "service" part is 1-14 characters, which may be - * letters, digits, or hyphens. The domain part of the three-part name may be - * any legal domain, providing that the resulting servicename+regtype+domain - * name does not exceed 255 bytes. - * - * For most software, these issues are transparent. When browsing, the discovered - * servicenames should simply be displayed as-is. When resolving, the discovered - * servicename/regtype/domain are simply passed unchanged to DNSServiceResolve(). - * When a DNSServiceResolve() succeeds, the returned fullname is already in - * the correct format to pass to standard system DNS APIs such as res_query(). - * For converting from servicename/regtype/domain to a single properly-escaped - * full DNS name, the helper function DNSServiceConstructFullName() is provided. - * - * The following (highly contrived) example illustrates the escaping process. - * Suppose you have an service called "Dr. Smith\Dr. Johnson", of type "_ftp._tcp" - * in subdomain "4th. Floor" of subdomain "Building 2" of domain "apple.com." - * The full (escaped) DNS name of this service's SRV record would be: - * Dr\.\032Smith\\Dr\.\032Johnson._ftp._tcp.4th\.\032Floor.Building\0322.apple.com. - */ - - -/* - * Constants for specifying an interface index - * - * Specific interface indexes are identified via a 32-bit unsigned integer returned - * by the if_nametoindex() family of calls. - * - * If the client passes 0 for interface index, that means "do the right thing", - * which (at present) means, "if the name is in an mDNS local multicast domain - * (e.g. 'local.', '254.169.in-addr.arpa.', '0.8.E.F.ip6.arpa.') then multicast - * on all applicable interfaces, otherwise send via unicast to the appropriate - * DNS server." Normally, most clients will use 0 for interface index to - * automatically get the default sensible behaviour. - * - * If the client passes a positive interface index, then for multicast names that - * indicates to do the operation only on that one interface. For unicast names the - * interface index is ignored unless kDNSServiceFlagsForceMulticast is also set. - * - * If the client passes kDNSServiceInterfaceIndexLocalOnly when registering - * a service, then that service will be found *only* by other local clients - * on the same machine that are browsing using kDNSServiceInterfaceIndexLocalOnly - * or kDNSServiceInterfaceIndexAny. - * If a client has a 'private' service, accessible only to other processes - * running on the same machine, this allows the client to advertise that service - * in a way such that it does not inadvertently appear in service lists on - * all the other machines on the network. - * - * If the client passes kDNSServiceInterfaceIndexLocalOnly when browsing - * then it will find *all* records registered on that same local machine. - * Clients explicitly wishing to discover *only* LocalOnly services can - * accomplish this by inspecting the interfaceIndex of each service reported - * to their DNSServiceBrowseReply() callback function, and discarding those - * where the interface index is not kDNSServiceInterfaceIndexLocalOnly. - */ - -#define kDNSServiceInterfaceIndexAny 0 -#define kDNSServiceInterfaceIndexLocalOnly ( (uint32_t) -1 ) - - -typedef uint32_t DNSServiceFlags; -typedef int32_t DNSServiceErrorType; - - -/********************************************************************************************* - * - * Unix Domain Socket access, DNSServiceRef deallocation, and data processing functions - * - *********************************************************************************************/ - - -/* DNSServiceRefSockFD() - * - * Access underlying Unix domain socket for an initialized DNSServiceRef. - * The DNS Service Discovery implmementation uses this socket to communicate between - * the client and the mDNSResponder daemon. The application MUST NOT directly read from - * or write to this socket. Access to the socket is provided so that it can be used as a - * run loop source, or in a select() loop: when data is available for reading on the socket, - * DNSServiceProcessResult() should be called, which will extract the daemon's reply from - * the socket, and pass it to the appropriate application callback. By using a run loop or - * select(), results from the daemon can be processed asynchronously. Without using these - * constructs, DNSServiceProcessResult() will block until the response from the daemon arrives. - * The client is responsible for ensuring that the data on the socket is processed in a timely - * fashion - the daemon may terminate its connection with a client that does not clear its - * socket buffer. - * - * sdRef: A DNSServiceRef initialized by any of the DNSService calls. - * - * return value: The DNSServiceRef's underlying socket descriptor, or -1 on - * error. - */ - -int DNSSD_API DNSServiceRefSockFD(DNSServiceRef sdRef); - - -/* DNSServiceProcessResult() - * - * Read a reply from the daemon, calling the appropriate application callback. This call will - * block until the daemon's response is received. Use DNSServiceRefSockFD() in - * conjunction with a run loop or select() to determine the presence of a response from the - * server before calling this function to process the reply without blocking. Call this function - * at any point if it is acceptable to block until the daemon's response arrives. Note that the - * client is responsible for ensuring that DNSServiceProcessResult() is called whenever there is - * a reply from the daemon - the daemon may terminate its connection with a client that does not - * process the daemon's responses. - * - * sdRef: A DNSServiceRef initialized by any of the DNSService calls - * that take a callback parameter. - * - * return value: Returns kDNSServiceErr_NoError on success, otherwise returns - * an error code indicating the specific failure that occurred. - */ - -DNSServiceErrorType DNSSD_API DNSServiceProcessResult(DNSServiceRef sdRef); - - -/* DNSServiceRefDeallocate() - * - * Terminate a connection with the daemon and free memory associated with the DNSServiceRef. - * Any services or records registered with this DNSServiceRef will be deregistered. Any - * Browse, Resolve, or Query operations called with this reference will be terminated. - * - * Note: If the reference's underlying socket is used in a run loop or select() call, it should - * be removed BEFORE DNSServiceRefDeallocate() is called, as this function closes the reference's - * socket. - * - * Note: If the reference was initialized with DNSServiceCreateConnection(), any DNSRecordRefs - * created via this reference will be invalidated by this call - the resource records are - * deregistered, and their DNSRecordRefs may not be used in subsequent functions. Similarly, - * if the reference was initialized with DNSServiceRegister, and an extra resource record was - * added to the service via DNSServiceAddRecord(), the DNSRecordRef created by the Add() call - * is invalidated when this function is called - the DNSRecordRef may not be used in subsequent - * functions. - * - * Note: This call is to be used only with the DNSServiceRef defined by this API. It is - * not compatible with dns_service_discovery_ref objects defined in the legacy Mach-based - * DNSServiceDiscovery.h API. - * - * sdRef: A DNSServiceRef initialized by any of the DNSService calls. - * - */ - -void DNSSD_API DNSServiceRefDeallocate(DNSServiceRef sdRef); - - -/********************************************************************************************* - * - * Domain Enumeration - * - *********************************************************************************************/ - -/* DNSServiceEnumerateDomains() - * - * Asynchronously enumerate domains available for browsing and registration. - * - * The enumeration MUST be cancelled via DNSServiceRefDeallocate() when no more domains - * are to be found. - * - * Note that the names returned are (like all of DNS-SD) UTF-8 strings, - * and are escaped using standard DNS escaping rules. - * (See "Notes on DNS Name Escaping" earlier in this file for more details.) - * A graphical browser displaying a hierarchical tree-structured view should cut - * the names at the bare dots to yield individual labels, then de-escape each - * label according to the escaping rules, and then display the resulting UTF-8 text. - * - * DNSServiceDomainEnumReply Callback Parameters: - * - * sdRef: The DNSServiceRef initialized by DNSServiceEnumerateDomains(). - * - * flags: Possible values are: - * kDNSServiceFlagsMoreComing - * kDNSServiceFlagsAdd - * kDNSServiceFlagsDefault - * - * interfaceIndex: Specifies the interface on which the domain exists. (The index for a given - * interface is determined via the if_nametoindex() family of calls.) - * - * errorCode: Will be kDNSServiceErr_NoError (0) on success, otherwise indicates - * the failure that occurred (other parameters are undefined if errorCode is nonzero). - * - * replyDomain: The name of the domain. - * - * context: The context pointer passed to DNSServiceEnumerateDomains. - * - */ - -typedef void (DNSSD_API *DNSServiceDomainEnumReply) - ( - DNSServiceRef sdRef, - DNSServiceFlags flags, - uint32_t interfaceIndex, - DNSServiceErrorType errorCode, - const char *replyDomain, - void *context - ); - - -/* DNSServiceEnumerateDomains() Parameters: - * - * - * sdRef: A pointer to an uninitialized DNSServiceRef. If the call succeeds - * then it initializes the DNSServiceRef, returns kDNSServiceErr_NoError, - * and the enumeration operation will run indefinitely until the client - * terminates it by passing this DNSServiceRef to DNSServiceRefDeallocate(). - * - * flags: Possible values are: - * kDNSServiceFlagsBrowseDomains to enumerate domains recommended for browsing. - * kDNSServiceFlagsRegistrationDomains to enumerate domains recommended - * for registration. - * - * interfaceIndex: If non-zero, specifies the interface on which to look for domains. - * (the index for a given interface is determined via the if_nametoindex() - * family of calls.) Most applications will pass 0 to enumerate domains on - * all interfaces. See "Constants for specifying an interface index" for more details. - * - * callBack: The function to be called when a domain is found or the call asynchronously - * fails. - * - * context: An application context pointer which is passed to the callback function - * (may be NULL). - * - * return value: Returns kDNSServiceErr_NoError on succeses (any subsequent, asynchronous - * errors are delivered to the callback), otherwise returns an error code indicating - * the error that occurred (the callback is not invoked and the DNSServiceRef - * is not initialized.) - */ - -DNSServiceErrorType DNSSD_API DNSServiceEnumerateDomains - ( - DNSServiceRef *sdRef, - DNSServiceFlags flags, - uint32_t interfaceIndex, - DNSServiceDomainEnumReply callBack, - void *context /* may be NULL */ - ); - - -/********************************************************************************************* - * - * Service Registration - * - *********************************************************************************************/ - -/* Register a service that is discovered via Browse() and Resolve() calls. - * - * - * DNSServiceRegisterReply() Callback Parameters: - * - * sdRef: The DNSServiceRef initialized by DNSServiceRegister(). - * - * flags: Currently unused, reserved for future use. - * - * errorCode: Will be kDNSServiceErr_NoError on success, otherwise will - * indicate the failure that occurred (including name conflicts, - * if the kDNSServiceFlagsNoAutoRename flag was used when registering.) - * Other parameters are undefined if errorCode is nonzero. - * - * name: The service name registered (if the application did not specify a name in - * DNSServiceRegister(), this indicates what name was automatically chosen). - * - * regtype: The type of service registered, as it was passed to the callout. - * - * domain: The domain on which the service was registered (if the application did not - * specify a domain in DNSServiceRegister(), this indicates the default domain - * on which the service was registered). - * - * context: The context pointer that was passed to the callout. - * - */ - -typedef void (DNSSD_API *DNSServiceRegisterReply) - ( - DNSServiceRef sdRef, - DNSServiceFlags flags, - DNSServiceErrorType errorCode, - const char *name, - const char *regtype, - const char *domain, - void *context - ); - - -/* DNSServiceRegister() Parameters: - * - * sdRef: A pointer to an uninitialized DNSServiceRef. If the call succeeds - * then it initializes the DNSServiceRef, returns kDNSServiceErr_NoError, - * and the registration will remain active indefinitely until the client - * terminates it by passing this DNSServiceRef to DNSServiceRefDeallocate(). - * - * interfaceIndex: If non-zero, specifies the interface on which to register the service - * (the index for a given interface is determined via the if_nametoindex() - * family of calls.) Most applications will pass 0 to register on all - * available interfaces. See "Constants for specifying an interface index" for more details. - * - * flags: Indicates the renaming behavior on name conflict (most applications - * will pass 0). See flag definitions above for details. - * - * name: If non-NULL, specifies the service name to be registered. - * Most applications will not specify a name, in which case the computer - * name is used (this name is communicated to the client via the callback). - * If a name is specified, it must be 1-63 bytes of UTF-8 text. - * If the name is longer than 63 bytes it will be automatically truncated - * to a legal length, unless the NoAutoRename flag is set, - * in which case kDNSServiceErr_BadParam will be returned. - * - * regtype: The service type followed by the protocol, separated by a dot - * (e.g. "_ftp._tcp"). The service type must be an underscore, followed - * by 1-14 characters, which may be letters, digits, or hyphens. - * The transport protocol must be "_tcp" or "_udp". New service types - * should be registered at <http://www.dns-sd.org/ServiceTypes.html>. - * - * domain: If non-NULL, specifies the domain on which to advertise the service. - * Most applications will not specify a domain, instead automatically - * registering in the default domain(s). - * - * host: If non-NULL, specifies the SRV target host name. Most applications - * will not specify a host, instead automatically using the machine's - * default host name(s). Note that specifying a non-NULL host does NOT - * create an address record for that host - the application is responsible - * for ensuring that the appropriate address record exists, or creating it - * via DNSServiceRegisterRecord(). - * - * port: The port, in network byte order, on which the service accepts connections. - * Pass 0 for a "placeholder" service (i.e. a service that will not be discovered - * by browsing, but will cause a name conflict if another client tries to - * register that same name). Most clients will not use placeholder services. - * - * txtLen: The length of the txtRecord, in bytes. Must be zero if the txtRecord is NULL. - * - * txtRecord: The TXT record rdata. A non-NULL txtRecord MUST be a properly formatted DNS - * TXT record, i.e. <length byte> <data> <length byte> <data> ... - * Passing NULL for the txtRecord is allowed as a synonym for txtLen=1, txtRecord="", - * i.e. it creates a TXT record of length one containing a single empty string. - * RFC 1035 doesn't allow a TXT record to contain *zero* strings, so a single empty - * string is the smallest legal DNS TXT record. - * - * callBack: The function to be called when the registration completes or asynchronously - * fails. The client MAY pass NULL for the callback - The client will NOT be notified - * of the default values picked on its behalf, and the client will NOT be notified of any - * asynchronous errors (e.g. out of memory errors, etc.) that may prevent the registration - * of the service. The client may NOT pass the NoAutoRename flag if the callback is NULL. - * The client may still deregister the service at any time via DNSServiceRefDeallocate(). - * - * context: An application context pointer which is passed to the callback function - * (may be NULL). - * - * return value: Returns kDNSServiceErr_NoError on succeses (any subsequent, asynchronous - * errors are delivered to the callback), otherwise returns an error code indicating - * the error that occurred (the callback is never invoked and the DNSServiceRef - * is not initialized.) - * - */ - -DNSServiceErrorType DNSSD_API DNSServiceRegister - ( - DNSServiceRef *sdRef, - DNSServiceFlags flags, - uint32_t interfaceIndex, - const char *name, /* may be NULL */ - const char *regtype, - const char *domain, /* may be NULL */ - const char *host, /* may be NULL */ - uint16_t port, - uint16_t txtLen, - const void *txtRecord, /* may be NULL */ - DNSServiceRegisterReply callBack, /* may be NULL */ - void *context /* may be NULL */ - ); - - -/* DNSServiceAddRecord() - * - * Add a record to a registered service. The name of the record will be the same as the - * registered service's name. - * The record can later be updated or deregistered by passing the RecordRef initialized - * by this function to DNSServiceUpdateRecord() or DNSServiceRemoveRecord(). - * - * - * Parameters; - * - * sdRef: A DNSServiceRef initialized by DNSServiceRegister(). - * - * RecordRef: A pointer to an uninitialized DNSRecordRef. Upon succesfull completion of this - * call, this ref may be passed to DNSServiceUpdateRecord() or DNSServiceRemoveRecord(). - * If the above DNSServiceRef is passed to DNSServiceRefDeallocate(), RecordRef is also - * invalidated and may not be used further. - * - * flags: Currently ignored, reserved for future use. - * - * rrtype: The type of the record (e.g. kDNSServiceType_TXT, kDNSServiceType_SRV, etc) - * - * rdlen: The length, in bytes, of the rdata. - * - * rdata: The raw rdata to be contained in the added resource record. - * - * ttl: The time to live of the resource record, in seconds. Pass 0 to use a default value. - * - * return value: Returns kDNSServiceErr_NoError on success, otherwise returns an - * error code indicating the error that occurred (the RecordRef is not initialized). - */ - -DNSServiceErrorType DNSSD_API DNSServiceAddRecord - ( - DNSServiceRef sdRef, - DNSRecordRef *RecordRef, - DNSServiceFlags flags, - uint16_t rrtype, - uint16_t rdlen, - const void *rdata, - uint32_t ttl - ); - - -/* DNSServiceUpdateRecord - * - * Update a registered resource record. The record must either be: - * - The primary txt record of a service registered via DNSServiceRegister() - * - A record added to a registered service via DNSServiceAddRecord() - * - An individual record registered by DNSServiceRegisterRecord() - * - * - * Parameters: - * - * sdRef: A DNSServiceRef that was initialized by DNSServiceRegister() - * or DNSServiceCreateConnection(). - * - * RecordRef: A DNSRecordRef initialized by DNSServiceAddRecord, or NULL to update the - * service's primary txt record. - * - * flags: Currently ignored, reserved for future use. - * - * rdlen: The length, in bytes, of the new rdata. - * - * rdata: The new rdata to be contained in the updated resource record. - * - * ttl: The time to live of the updated resource record, in seconds. - * - * return value: Returns kDNSServiceErr_NoError on success, otherwise returns an - * error code indicating the error that occurred. - */ - -DNSServiceErrorType DNSSD_API DNSServiceUpdateRecord - ( - DNSServiceRef sdRef, - DNSRecordRef RecordRef, /* may be NULL */ - DNSServiceFlags flags, - uint16_t rdlen, - const void *rdata, - uint32_t ttl - ); - - -/* DNSServiceRemoveRecord - * - * Remove a record previously added to a service record set via DNSServiceAddRecord(), or deregister - * an record registered individually via DNSServiceRegisterRecord(). - * - * Parameters: - * - * sdRef: A DNSServiceRef initialized by DNSServiceRegister() (if the - * record being removed was registered via DNSServiceAddRecord()) or by - * DNSServiceCreateConnection() (if the record being removed was registered via - * DNSServiceRegisterRecord()). - * - * recordRef: A DNSRecordRef initialized by a successful call to DNSServiceAddRecord() - * or DNSServiceRegisterRecord(). - * - * flags: Currently ignored, reserved for future use. - * - * return value: Returns kDNSServiceErr_NoError on success, otherwise returns an - * error code indicating the error that occurred. - */ - -DNSServiceErrorType DNSSD_API DNSServiceRemoveRecord - ( - DNSServiceRef sdRef, - DNSRecordRef RecordRef, - DNSServiceFlags flags - ); - - -/********************************************************************************************* - * - * Service Discovery - * - *********************************************************************************************/ - -/* Browse for instances of a service. - * - * - * DNSServiceBrowseReply() Parameters: - * - * sdRef: The DNSServiceRef initialized by DNSServiceBrowse(). - * - * flags: Possible values are kDNSServiceFlagsMoreComing and kDNSServiceFlagsAdd. - * See flag definitions for details. - * - * interfaceIndex: The interface on which the service is advertised. This index should - * be passed to DNSServiceResolve() when resolving the service. - * - * errorCode: Will be kDNSServiceErr_NoError (0) on success, otherwise will - * indicate the failure that occurred. Other parameters are undefined if - * the errorCode is nonzero. - * - * serviceName: The discovered service name. This name should be displayed to the user, - * and stored for subsequent use in the DNSServiceResolve() call. - * - * regtype: The service type, which is usually (but not always) the same as was passed - * to DNSServiceBrowse(). One case where the discovered service type may - * not be the same as the requested service type is when using subtypes: - * The client may want to browse for only those ftp servers that allow - * anonymous connections. The client will pass the string "_ftp._tcp,_anon" - * to DNSServiceBrowse(), but the type of the service that's discovered - * is simply "_ftp._tcp". The regtype for each discovered service instance - * should be stored along with the name, so that it can be passed to - * DNSServiceResolve() when the service is later resolved. - * - * domain: The domain of the discovered service instance. This may or may not be the - * same as the domain that was passed to DNSServiceBrowse(). The domain for each - * discovered service instance should be stored along with the name, so that - * it can be passed to DNSServiceResolve() when the service is later resolved. - * - * context: The context pointer that was passed to the callout. - * - */ - -typedef void (DNSSD_API *DNSServiceBrowseReply) - ( - DNSServiceRef sdRef, - DNSServiceFlags flags, - uint32_t interfaceIndex, - DNSServiceErrorType errorCode, - const char *serviceName, - const char *regtype, - const char *replyDomain, - void *context - ); - - -/* DNSServiceBrowse() Parameters: - * - * sdRef: A pointer to an uninitialized DNSServiceRef. If the call succeeds - * then it initializes the DNSServiceRef, returns kDNSServiceErr_NoError, - * and the browse operation will run indefinitely until the client - * terminates it by passing this DNSServiceRef to DNSServiceRefDeallocate(). - * - * flags: Currently ignored, reserved for future use. - * - * interfaceIndex: If non-zero, specifies the interface on which to browse for services - * (the index for a given interface is determined via the if_nametoindex() - * family of calls.) Most applications will pass 0 to browse on all available - * interfaces. See "Constants for specifying an interface index" for more details. - * - * regtype: The service type being browsed for followed by the protocol, separated by a - * dot (e.g. "_ftp._tcp"). The transport protocol must be "_tcp" or "_udp". - * - * domain: If non-NULL, specifies the domain on which to browse for services. - * Most applications will not specify a domain, instead browsing on the - * default domain(s). - * - * callBack: The function to be called when an instance of the service being browsed for - * is found, or if the call asynchronously fails. - * - * context: An application context pointer which is passed to the callback function - * (may be NULL). - * - * return value: Returns kDNSServiceErr_NoError on succeses (any subsequent, asynchronous - * errors are delivered to the callback), otherwise returns an error code indicating - * the error that occurred (the callback is not invoked and the DNSServiceRef - * is not initialized.) - */ - -DNSServiceErrorType DNSSD_API DNSServiceBrowse - ( - DNSServiceRef *sdRef, - DNSServiceFlags flags, - uint32_t interfaceIndex, - const char *regtype, - const char *domain, /* may be NULL */ - DNSServiceBrowseReply callBack, - void *context /* may be NULL */ - ); - - -/* DNSServiceResolve() - * - * Resolve a service name discovered via DNSServiceBrowse() to a target host name, port number, and - * txt record. - * - * Note: Applications should NOT use DNSServiceResolve() solely for txt record monitoring - use - * DNSServiceQueryRecord() instead, as it is more efficient for this task. - * - * Note: When the desired results have been returned, the client MUST terminate the resolve by calling - * DNSServiceRefDeallocate(). - * - * Note: DNSServiceResolve() behaves correctly for typical services that have a single SRV record - * and a single TXT record. To resolve non-standard services with multiple SRV or TXT records, - * DNSServiceQueryRecord() should be used. - * - * DNSServiceResolveReply Callback Parameters: - * - * sdRef: The DNSServiceRef initialized by DNSServiceResolve(). - * - * flags: Currently unused, reserved for future use. - * - * interfaceIndex: The interface on which the service was resolved. - * - * errorCode: Will be kDNSServiceErr_NoError (0) on success, otherwise will - * indicate the failure that occurred. Other parameters are undefined if - * the errorCode is nonzero. - * - * fullname: The full service domain name, in the form <servicename>.<protocol>.<domain>. - * (This name is escaped following standard DNS rules, making it suitable for - * passing to standard system DNS APIs such as res_query(), or to the - * special-purpose functions included in this API that take fullname parameters. - * See "Notes on DNS Name Escaping" earlier in this file for more details.) - * - * hosttarget: The target hostname of the machine providing the service. This name can - * be passed to functions like gethostbyname() to identify the host's IP address. - * - * port: The port, in network byte order, on which connections are accepted for this service. - * - * txtLen: The length of the txt record, in bytes. - * - * txtRecord: The service's primary txt record, in standard txt record format. - * - - * context: The context pointer that was passed to the callout. - * - */ - -typedef void (DNSSD_API *DNSServiceResolveReply) - ( - DNSServiceRef sdRef, - DNSServiceFlags flags, - uint32_t interfaceIndex, - DNSServiceErrorType errorCode, - const char *fullname, - const char *hosttarget, - uint16_t port, - uint16_t txtLen, - const char *txtRecord, - void *context - ); - - -/* DNSServiceResolve() Parameters - * - * sdRef: A pointer to an uninitialized DNSServiceRef. If the call succeeds - * then it initializes the DNSServiceRef, returns kDNSServiceErr_NoError, - * and the resolve operation will run indefinitely until the client - * terminates it by passing this DNSServiceRef to DNSServiceRefDeallocate(). - * - * flags: Currently ignored, reserved for future use. - * - * interfaceIndex: The interface on which to resolve the service. If this resolve call is - * as a result of a currently active DNSServiceBrowse() operation, then the - * interfaceIndex should be the index reported in the DNSServiceBrowseReply - * callback. If this resolve call is using information previously saved - * (e.g. in a preference file) for later use, then use interfaceIndex 0, because - * the desired service may now be reachable via a different physical interface. - * See "Constants for specifying an interface index" for more details. - * - * name: The name of the service instance to be resolved, as reported to the - * DNSServiceBrowseReply() callback. - * - * regtype: The type of the service instance to be resolved, as reported to the - * DNSServiceBrowseReply() callback. - * - * domain: The domain of the service instance to be resolved, as reported to the - * DNSServiceBrowseReply() callback. - * - * callBack: The function to be called when a result is found, or if the call - * asynchronously fails. - * - * context: An application context pointer which is passed to the callback function - * (may be NULL). - * - * return value: Returns kDNSServiceErr_NoError on succeses (any subsequent, asynchronous - * errors are delivered to the callback), otherwise returns an error code indicating - * the error that occurred (the callback is never invoked and the DNSServiceRef - * is not initialized.) - */ - -DNSServiceErrorType DNSSD_API DNSServiceResolve - ( - DNSServiceRef *sdRef, - DNSServiceFlags flags, - uint32_t interfaceIndex, - const char *name, - const char *regtype, - const char *domain, - DNSServiceResolveReply callBack, - void *context /* may be NULL */ - ); - - -/********************************************************************************************* - * - * Special Purpose Calls (most applications will not use these) - * - *********************************************************************************************/ - -/* DNSServiceCreateConnection() - * - * Create a connection to the daemon allowing efficient registration of - * multiple individual records. - * - * - * Parameters: - * - * sdRef: A pointer to an uninitialized DNSServiceRef. Deallocating - * the reference (via DNSServiceRefDeallocate()) severs the - * connection and deregisters all records registered on this connection. - * - * return value: Returns kDNSServiceErr_NoError on success, otherwise returns - * an error code indicating the specific failure that occurred (in which - * case the DNSServiceRef is not initialized). - */ - -DNSServiceErrorType DNSSD_API DNSServiceCreateConnection(DNSServiceRef *sdRef); - - -/* DNSServiceRegisterRecord - * - * Register an individual resource record on a connected DNSServiceRef. - * - * Note that name conflicts occurring for records registered via this call must be handled - * by the client in the callback. - * - * - * DNSServiceRegisterRecordReply() parameters: - * - * sdRef: The connected DNSServiceRef initialized by - * DNSServiceDiscoveryConnect(). - * - * RecordRef: The DNSRecordRef initialized by DNSServiceRegisterRecord(). If the above - * DNSServiceRef is passed to DNSServiceRefDeallocate(), this DNSRecordRef is - * invalidated, and may not be used further. - * - * flags: Currently unused, reserved for future use. - * - * errorCode: Will be kDNSServiceErr_NoError on success, otherwise will - * indicate the failure that occurred (including name conflicts.) - * Other parameters are undefined if errorCode is nonzero. - * - * context: The context pointer that was passed to the callout. - * - */ - - typedef void (DNSSD_API *DNSServiceRegisterRecordReply) - ( - DNSServiceRef sdRef, - DNSRecordRef RecordRef, - DNSServiceFlags flags, - DNSServiceErrorType errorCode, - void *context - ); - - -/* DNSServiceRegisterRecord() Parameters: - * - * sdRef: A DNSServiceRef initialized by DNSServiceCreateConnection(). - * - * RecordRef: A pointer to an uninitialized DNSRecordRef. Upon succesfull completion of this - * call, this ref may be passed to DNSServiceUpdateRecord() or DNSServiceRemoveRecord(). - * (To deregister ALL records registered on a single connected DNSServiceRef - * and deallocate each of their corresponding DNSServiceRecordRefs, call - * DNSServiceRefDealloocate()). - * - * flags: Possible values are kDNSServiceFlagsShared or kDNSServiceFlagsUnique - * (see flag type definitions for details). - * - * interfaceIndex: If non-zero, specifies the interface on which to register the record - * (the index for a given interface is determined via the if_nametoindex() - * family of calls.) Passing 0 causes the record to be registered on all interfaces. - * See "Constants for specifying an interface index" for more details. - * - * fullname: The full domain name of the resource record. - * - * rrtype: The numerical type of the resource record (e.g. kDNSServiceType_PTR, kDNSServiceType_SRV, etc) - * - * rrclass: The class of the resource record (usually kDNSServiceClass_IN) - * - * rdlen: Length, in bytes, of the rdata. - * - * rdata: A pointer to the raw rdata, as it is to appear in the DNS record. - * - * ttl: The time to live of the resource record, in seconds. Pass 0 to use a default value. - * - * callBack: The function to be called when a result is found, or if the call - * asynchronously fails (e.g. because of a name conflict.) - * - * context: An application context pointer which is passed to the callback function - * (may be NULL). - * - * return value: Returns kDNSServiceErr_NoError on succeses (any subsequent, asynchronous - * errors are delivered to the callback), otherwise returns an error code indicating - * the error that occurred (the callback is never invoked and the DNSRecordRef is - * not initialized.) - */ - -DNSServiceErrorType DNSSD_API DNSServiceRegisterRecord - ( - DNSServiceRef sdRef, - DNSRecordRef *RecordRef, - DNSServiceFlags flags, - uint32_t interfaceIndex, - const char *fullname, - uint16_t rrtype, - uint16_t rrclass, - uint16_t rdlen, - const void *rdata, - uint32_t ttl, - DNSServiceRegisterRecordReply callBack, - void *context /* may be NULL */ - ); - - -/* DNSServiceQueryRecord - * - * Query for an arbitrary DNS record. - * - * - * DNSServiceQueryRecordReply() Callback Parameters: - * - * sdRef: The DNSServiceRef initialized by DNSServiceQueryRecord(). - * - * flags: Possible values are kDNSServiceFlagsMoreComing and - * kDNSServiceFlagsAdd. The Add flag is NOT set for PTR records - * with a ttl of 0, i.e. "Remove" events. - * - * interfaceIndex: The interface on which the query was resolved (the index for a given - * interface is determined via the if_nametoindex() family of calls). - * See "Constants for specifying an interface index" for more details. - * - * errorCode: Will be kDNSServiceErr_NoError on success, otherwise will - * indicate the failure that occurred. Other parameters are undefined if - * errorCode is nonzero. - * - * fullname: The resource record's full domain name. - * - * rrtype: The resource record's type (e.g. kDNSServiceType_PTR, kDNSServiceType_SRV, etc) - * - * rrclass: The class of the resource record (usually kDNSServiceClass_IN). - * - * rdlen: The length, in bytes, of the resource record rdata. - * - * rdata: The raw rdata of the resource record. - * - * ttl: The resource record's time to live, in seconds. - * - * context: The context pointer that was passed to the callout. - * - */ - -typedef void (DNSSD_API *DNSServiceQueryRecordReply) - ( - DNSServiceRef DNSServiceRef, - DNSServiceFlags flags, - uint32_t interfaceIndex, - DNSServiceErrorType errorCode, - const char *fullname, - uint16_t rrtype, - uint16_t rrclass, - uint16_t rdlen, - const void *rdata, - uint32_t ttl, - void *context - ); - - -/* DNSServiceQueryRecord() Parameters: - * - * sdRef: A pointer to an uninitialized DNSServiceRef. If the call succeeds - * then it initializes the DNSServiceRef, returns kDNSServiceErr_NoError, - * and the query operation will run indefinitely until the client - * terminates it by passing this DNSServiceRef to DNSServiceRefDeallocate(). - * - * flags: Pass kDNSServiceFlagsLongLivedQuery to create a "long-lived" unicast - * query in a non-local domain. Without setting this flag, unicast queries - * will be one-shot - that is, only answers available at the time of the call - * will be returned. By setting this flag, answers (including Add and Remove - * events) that become available after the initial call is made will generate - * callbacks. This flag has no effect on link-local multicast queries. - * - * interfaceIndex: If non-zero, specifies the interface on which to issue the query - * (the index for a given interface is determined via the if_nametoindex() - * family of calls.) Passing 0 causes the name to be queried for on all - * interfaces. See "Constants for specifying an interface index" for more details. - * - * fullname: The full domain name of the resource record to be queried for. - * - * rrtype: The numerical type of the resource record to be queried for - * (e.g. kDNSServiceType_PTR, kDNSServiceType_SRV, etc) - * - * rrclass: The class of the resource record (usually kDNSServiceClass_IN). - * - * callBack: The function to be called when a result is found, or if the call - * asynchronously fails. - * - * context: An application context pointer which is passed to the callback function - * (may be NULL). - * - * return value: Returns kDNSServiceErr_NoError on succeses (any subsequent, asynchronous - * errors are delivered to the callback), otherwise returns an error code indicating - * the error that occurred (the callback is never invoked and the DNSServiceRef - * is not initialized.) - */ - -DNSServiceErrorType DNSSD_API DNSServiceQueryRecord - ( - DNSServiceRef *sdRef, - DNSServiceFlags flags, - uint32_t interfaceIndex, - const char *fullname, - uint16_t rrtype, - uint16_t rrclass, - DNSServiceQueryRecordReply callBack, - void *context /* may be NULL */ - ); - - -/* DNSServiceReconfirmRecord - * - * Instruct the daemon to verify the validity of a resource record that appears to - * be out of date (e.g. because tcp connection to a service's target failed.) - * Causes the record to be flushed from the daemon's cache (as well as all other - * daemons' caches on the network) if the record is determined to be invalid. - * - * Parameters: - * - * flags: Currently unused, reserved for future use. - * - * interfaceIndex: If non-zero, specifies the interface of the record in question. - * Passing 0 causes all instances of this record to be reconfirmed. - * - * fullname: The resource record's full domain name. - * - * rrtype: The resource record's type (e.g. kDNSServiceType_PTR, kDNSServiceType_SRV, etc) - * - * rrclass: The class of the resource record (usually kDNSServiceClass_IN). - * - * rdlen: The length, in bytes, of the resource record rdata. - * - * rdata: The raw rdata of the resource record. - * - */ - -void DNSSD_API DNSServiceReconfirmRecord - ( - DNSServiceFlags flags, - uint32_t interfaceIndex, - const char *fullname, - uint16_t rrtype, - uint16_t rrclass, - uint16_t rdlen, - const void *rdata - ); - - -/********************************************************************************************* - * - * General Utility Functions - * - *********************************************************************************************/ - -/* DNSServiceConstructFullName() - * - * Concatenate a three-part domain name (as returned by the above callbacks) into a - * properly-escaped full domain name. Note that callbacks in the above functions ALREADY ESCAPE - * strings where necessary. - * - * Parameters: - * - * fullName: A pointer to a buffer that where the resulting full domain name is to be written. - * The buffer must be kDNSServiceMaxDomainName (1005) bytes in length to - * accommodate the longest legal domain name without buffer overrun. - * - * service: The service name - any dots or backslashes must NOT be escaped. - * May be NULL (to construct a PTR record name, e.g. - * "_ftp._tcp.apple.com."). - * - * regtype: The service type followed by the protocol, separated by a dot - * (e.g. "_ftp._tcp"). - * - * domain: The domain name, e.g. "apple.com.". Literal dots or backslashes, - * if any, must be escaped, e.g. "1st\. Floor.apple.com." - * - * return value: Returns 0 on success, -1 on error. - * - */ - -int DNSSD_API DNSServiceConstructFullName - ( - char *fullName, - const char *service, /* may be NULL */ - const char *regtype, - const char *domain - ); - - -/********************************************************************************************* - * - * TXT Record Construction Functions - * - *********************************************************************************************/ - -/* - * A typical calling sequence for TXT record construction is something like: - * - * Client allocates storage for TXTRecord data (e.g. declare buffer on the stack) - * TXTRecordCreate(); - * TXTRecordSetValue(); - * TXTRecordSetValue(); - * TXTRecordSetValue(); - * ... - * DNSServiceRegister( ... TXTRecordGetLength(), TXTRecordGetBytesPtr() ... ); - * TXTRecordDeallocate(); - * Explicitly deallocate storage for TXTRecord data (if not allocated on the stack) - */ - - -/* TXTRecordRef - * - * Opaque internal data type. - * Note: Represents a DNS-SD TXT record. - */ - -typedef struct _TXTRecordRef_t { char privatedata[16]; } TXTRecordRef; - - -/* TXTRecordCreate() - * - * Creates a new empty TXTRecordRef referencing the specified storage. - * - * If the buffer parameter is NULL, or the specified storage size is not - * large enough to hold a key subsequently added using TXTRecordSetValue(), - * then additional memory will be added as needed using malloc(). - * - * On some platforms, when memory is low, malloc() may fail. In this - * case, TXTRecordSetValue() will return kDNSServiceErr_NoMemory, and this - * error condition will need to be handled as appropriate by the caller. - * - * You can avoid the need to handle this error condition if you ensure - * that the storage you initially provide is large enough to hold all - * the key/value pairs that are to be added to the record. - * The caller can precompute the exact length required for all of the - * key/value pairs to be added, or simply provide a fixed-sized buffer - * known in advance to be large enough. - * A no-value (key-only) key requires (1 + key length) bytes. - * A key with empty value requires (1 + key length + 1) bytes. - * A key with non-empty value requires (1 + key length + 1 + value length). - * For most applications, DNS-SD TXT records are generally - * less than 100 bytes, so in most cases a simple fixed-sized - * 256-byte buffer will be more than sufficient. - * Recommended size limits for DNS-SD TXT Records are discussed in - * <http://files.dns-sd.org/draft-cheshire-dnsext-dns-sd.txt> - * - * Note: When passing parameters to and from these TXT record APIs, - * the key name does not include the '=' character. The '=' character - * is the separator between the key and value in the on-the-wire - * packet format; it is not part of either the key or the value. - * - * txtRecord: A pointer to an uninitialized TXTRecordRef. - * - * bufferLen: The size of the storage provided in the "buffer" parameter. - * - * buffer: Optional caller-supplied storage used to hold the TXTRecord data. - * This storage must remain valid for as long as - * the TXTRecordRef. - */ - -void DNSSD_API TXTRecordCreate - ( - TXTRecordRef *txtRecord, - uint16_t bufferLen, - void *buffer - ); - - -/* TXTRecordDeallocate() - * - * Releases any resources allocated in the course of preparing a TXT Record - * using TXTRecordCreate()/TXTRecordSetValue()/TXTRecordRemoveValue(). - * Ownership of the buffer provided in TXTRecordCreate() returns to the client. - * - * txtRecord: A TXTRecordRef initialized by calling TXTRecordCreate(). - * - */ - -void DNSSD_API TXTRecordDeallocate - ( - TXTRecordRef *txtRecord - ); - - -/* TXTRecordSetValue() - * - * Adds a key (optionally with value) to a TXTRecordRef. If the "key" already - * exists in the TXTRecordRef, then the current value will be replaced with - * the new value. - * Keys may exist in four states with respect to a given TXT record: - * - Absent (key does not appear at all) - * - Present with no value ("key" appears alone) - * - Present with empty value ("key=" appears in TXT record) - * - Present with non-empty value ("key=value" appears in TXT record) - * For more details refer to "Data Syntax for DNS-SD TXT Records" in - * <http://files.dns-sd.org/draft-cheshire-dnsext-dns-sd.txt> - * - * txtRecord: A TXTRecordRef initialized by calling TXTRecordCreate(). - * - * key: A null-terminated string which only contains printable ASCII - * values (0x20-0x7E), excluding '=' (0x3D). Keys should be - * 8 characters or less (not counting the terminating null). - * - * valueSize: The size of the value. - * - * value: Any binary value. For values that represent - * textual data, UTF-8 is STRONGLY recommended. - * For values that represent textual data, valueSize - * should NOT include the terminating null (if any) - * at the end of the string. - * If NULL, then "key" will be added with no value. - * If non-NULL but valueSize is zero, then "key=" will be - * added with empty value. - * - * return value: Returns kDNSServiceErr_NoError on success. - * Returns kDNSServiceErr_Invalid if the "key" string contains - * illegal characters. - * Returns kDNSServiceErr_NoMemory if adding this key would - * exceed the available storage. - */ - -DNSServiceErrorType DNSSD_API TXTRecordSetValue - ( - TXTRecordRef *txtRecord, - const char *key, - uint8_t valueSize, /* may be zero */ - const void *value /* may be NULL */ - ); - - -/* TXTRecordRemoveValue() - * - * Removes a key from a TXTRecordRef. The "key" must be an - * ASCII string which exists in the TXTRecordRef. - * - * txtRecord: A TXTRecordRef initialized by calling TXTRecordCreate(). - * - * key: A key name which exists in the TXTRecordRef. - * - * return value: Returns kDNSServiceErr_NoError on success. - * Returns kDNSServiceErr_NoSuchKey if the "key" does not - * exist in the TXTRecordRef. - * - */ - -DNSServiceErrorType DNSSD_API TXTRecordRemoveValue - ( - TXTRecordRef *txtRecord, - const char *key - ); - - -/* TXTRecordGetLength() - * - * Allows you to determine the length of the raw bytes within a TXTRecordRef. - * - * txtRecord: A TXTRecordRef initialized by calling TXTRecordCreate(). - * - * return value: Returns the size of the raw bytes inside a TXTRecordRef - * which you can pass directly to DNSServiceRegister() or - * to DNSServiceUpdateRecord(). - * Returns 0 if the TXTRecordRef is empty. - * - */ - -uint16_t DNSSD_API TXTRecordGetLength - ( - const TXTRecordRef *txtRecord - ); - - -/* TXTRecordGetBytesPtr() - * - * Allows you to retrieve a pointer to the raw bytes within a TXTRecordRef. - * - * txtRecord: A TXTRecordRef initialized by calling TXTRecordCreate(). - * - * return value: Returns a pointer to the raw bytes inside the TXTRecordRef - * which you can pass directly to DNSServiceRegister() or - * to DNSServiceUpdateRecord(). - * - */ - -const void * DNSSD_API TXTRecordGetBytesPtr - ( - const TXTRecordRef *txtRecord - ); - - -/********************************************************************************************* - * - * TXT Record Parsing Functions - * - *********************************************************************************************/ - -/* - * A typical calling sequence for TXT record parsing is something like: - * - * Receive TXT record data in DNSServiceResolve() callback - * if (TXTRecordContainsKey(txtLen, txtRecord, "key")) then do something - * val1ptr = TXTRecordGetValuePtr(txtLen, txtRecord, "key1", &len1); - * val2ptr = TXTRecordGetValuePtr(txtLen, txtRecord, "key2", &len2); - * ... - * bcopy(val1ptr, myval1, len1); - * bcopy(val2ptr, myval2, len2); - * ... - * return; - * - * If you wish to retain the values after return from the DNSServiceResolve() - * callback, then you need to copy the data to your own storage using bcopy() - * or similar, as shown in the example above. - * - * If for some reason you need to parse a TXT record you built yourself - * using the TXT record construction functions above, then you can do - * that using TXTRecordGetLength and TXTRecordGetBytesPtr calls: - * TXTRecordGetValue(TXTRecordGetLength(x), TXTRecordGetBytesPtr(x), key, &len); - * - * Most applications only fetch keys they know about from a TXT record and - * ignore the rest. - * However, some debugging tools wish to fetch and display all keys. - * To do that, use the TXTRecordGetCount() and TXTRecordGetItemAtIndex() calls. - */ - -/* TXTRecordContainsKey() - * - * Allows you to determine if a given TXT Record contains a specified key. - * - * txtLen: The size of the received TXT Record. - * - * txtRecord: Pointer to the received TXT Record bytes. - * - * key: A null-terminated ASCII string containing the key name. - * - * return value: Returns 1 if the TXT Record contains the specified key. - * Otherwise, it returns 0. - * - */ - -int DNSSD_API TXTRecordContainsKey - ( - uint16_t txtLen, - const void *txtRecord, - const char *key - ); - - -/* TXTRecordGetValuePtr() - * - * Allows you to retrieve the value for a given key from a TXT Record. - * - * txtLen: The size of the received TXT Record - * - * txtRecord: Pointer to the received TXT Record bytes. - * - * key: A null-terminated ASCII string containing the key name. - * - * valueLen: On output, will be set to the size of the "value" data. - * - * return value: Returns NULL if the key does not exist in this TXT record, - * or exists with no value (to differentiate between - * these two cases use TXTRecordContainsKey()). - * Returns pointer to location within TXT Record bytes - * if the key exists with empty or non-empty value. - * For empty value, valueLen will be zero. - * For non-empty value, valueLen will be length of value data. - */ - -const void * DNSSD_API TXTRecordGetValuePtr - ( - uint16_t txtLen, - const void *txtRecord, - const char *key, - uint8_t *valueLen - ); - - -/* TXTRecordGetCount() - * - * Returns the number of keys stored in the TXT Record. The count - * can be used with TXTRecordGetItemAtIndex() to iterate through the keys. - * - * txtLen: The size of the received TXT Record. - * - * txtRecord: Pointer to the received TXT Record bytes. - * - * return value: Returns the total number of keys in the TXT Record. - * - */ - -uint16_t DNSSD_API TXTRecordGetCount - ( - uint16_t txtLen, - const void *txtRecord - ); - - -/* TXTRecordGetItemAtIndex() - * - * Allows you to retrieve a key name and value pointer, given an index into - * a TXT Record. Legal index values range from zero to TXTRecordGetCount()-1. - * It's also possible to iterate through keys in a TXT record by simply - * calling TXTRecordGetItemAtIndex() repeatedly, beginning with index zero - * and increasing until TXTRecordGetItemAtIndex() returns kDNSServiceErr_Invalid. - * - * On return: - * For keys with no value, *value is set to NULL and *valueLen is zero. - * For keys with empty value, *value is non-NULL and *valueLen is zero. - * For keys with non-empty value, *value is non-NULL and *valueLen is non-zero. - * - * txtLen: The size of the received TXT Record. - * - * txtRecord: Pointer to the received TXT Record bytes. - * - * index: An index into the TXT Record. - * - * keyBufLen: The size of the string buffer being supplied. - * - * key: A string buffer used to store the key name. - * On return, the buffer contains a null-terminated C string - * giving the key name. DNS-SD TXT keys are usually - * 8 characters or less. To hold the maximum possible - * key name, the buffer should be 256 bytes long. - * - * valueLen: On output, will be set to the size of the "value" data. - * - * value: On output, *value is set to point to location within TXT - * Record bytes that holds the value data. - * - * return value: Returns kDNSServiceErr_NoError on success. - * Returns kDNSServiceErr_NoMemory if keyBufLen is too short. - * Returns kDNSServiceErr_Invalid if index is greater than - * TXTRecordGetCount()-1. - */ - -DNSServiceErrorType DNSSD_API TXTRecordGetItemAtIndex - ( - uint16_t txtLen, - const void *txtRecord, - uint16_t index, - uint16_t keyBufLen, - char *key, - uint8_t *valueLen, - const void **value - ); - -#ifdef __APPLE_API_PRIVATE - -/* - * Mac OS X specific functionality - * 3rd party clients of this API should not depend on future support or availability of this routine - */ - -/* DNSServiceSetDefaultDomainForUser() - * - * Set the default domain for the caller's UID. Future browse and registration - * calls by this user that do not specify an explicit domain will browse and - * register in this wide-area domain in addition to .local. In addition, this - * domain will be returned as a Browse domain via domain enumeration calls. - * - * - * Parameters: - * - * flags: Pass kDNSServiceFlagsAdd to add a domain for a user. Call without - * this flag set to clear a previously added domain. - * - * domain: The domain to be used for the caller's UID. - * - * return value: Returns kDNSServiceErr_NoError on succeses, otherwise returns - * an error code indicating the error that occurred - */ - -DNSServiceErrorType DNSSD_API DNSServiceSetDefaultDomainForUser - ( - DNSServiceFlags flags, - const char *domain - ); - -#endif //__APPLE_API_PRIVATE - -#ifdef __cplusplus - } -#endif - -#endif /* _DNS_SD_H */ diff --git a/compat-bonjour/funcs.txt b/compat-bonjour/funcs.txt deleted file mode 100644 index 8bafc1a..0000000 --- a/compat-bonjour/funcs.txt +++ /dev/null @@ -1,32 +0,0 @@ -Supported: - -DNSServiceRefSockFD -DNSServiceProcessResult -DNSServiceRefDeallocate -DNSServiceEnumerateDomains -DNSServiceRegister -DNSServiceBrowse -DNSServiceResolve -DNSServiceConstructFullName - -TXTRecordCreate -TXTRecordDeallocate -TXTRecordSetValue -TXTRecordRemoveValue -TXTRecordGetLength -TXTRecordGetBytesPtr -TXTRecordContainsKey -TXTRecordGetValuePtr -TXTRecordGetCount -TXTRecordGetItemAtIndex - -Unsupported: - -DNSServiceRegisterRecord -DNSServiceQueryRecord -DNSServiceReconfirmRecord -DNSServiceCreateConnection -DNSServiceAddRecord -DNSServiceUpdateRecord -DNSServiceRemoveRecord -DNSServiceSetDefaultDomainForUser diff --git a/compat-bonjour/txt-test.c b/compat-bonjour/txt-test.c deleted file mode 100644 index 61f1292..0000000 --- a/compat-bonjour/txt-test.c +++ /dev/null @@ -1,129 +0,0 @@ -/* $Id$ */ - -/*** - This file is part of avahi. - - avahi is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as - published by the Free Software Foundation; either version 2.1 of the - License, or (at your option) any later version. - - avahi is distributed in the hope that it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General - Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with avahi; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. -***/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <sys/types.h> -#include <assert.h> -#include <stdio.h> - -#include "dns_sd.h" - -static void hexdump(const void* p, size_t size) { - const uint8_t *c = p; - assert(p); - - printf("Dumping %u bytes from %p:\n", size, p); - - while (size > 0) { - unsigned i; - - for (i = 0; i < 16; i++) { - if (i < size) - printf("%02x ", c[i]); - else - printf(" "); - } - - for (i = 0; i < 16; i++) { - if (i < size) - printf("%c", c[i] >= 32 && c[i] < 127 ? c[i] : '.'); - else - printf(" "); - } - - printf("\n"); - - c += 16; - - if (size <= 16) - break; - - size -= 16; - } -} - - -int main(int argc, char *argv[]) { - const char *r; - TXTRecordRef ref; - uint8_t l; - const void *p; - char k[256]; - - TXTRecordCreate(&ref, 0, NULL); - - hexdump(TXTRecordGetBytesPtr(&ref), TXTRecordGetLength(&ref)); - - TXTRecordSetValue(&ref, "foo", 7, "lennart"); - hexdump(TXTRecordGetBytesPtr(&ref), TXTRecordGetLength(&ref)); - - TXTRecordSetValue(&ref, "waldo", 5, "rocks"); - hexdump(TXTRecordGetBytesPtr(&ref), TXTRecordGetLength(&ref)); - - TXTRecordSetValue(&ref, "quux", 9, "the_house"); - hexdump(TXTRecordGetBytesPtr(&ref), TXTRecordGetLength(&ref)); - - TXTRecordSetValue(&ref, "yeah", 0, NULL); - hexdump(TXTRecordGetBytesPtr(&ref), TXTRecordGetLength(&ref)); - - TXTRecordSetValue(&ref, "waldo", 6, "rocked"); - hexdump(TXTRecordGetBytesPtr(&ref), TXTRecordGetLength(&ref)); - - TXTRecordRemoveValue(&ref, "foo"); - hexdump(TXTRecordGetBytesPtr(&ref), TXTRecordGetLength(&ref)); - - TXTRecordRemoveValue(&ref, "waldo"); - hexdump(TXTRecordGetBytesPtr(&ref), TXTRecordGetLength(&ref)); - - TXTRecordSetValue(&ref, "kawumm", 6, "bloerb"); - hexdump(TXTRecordGetBytesPtr(&ref), TXTRecordGetLength(&ref)); - - TXTRecordSetValue(&ref, "one", 1, "1"); - hexdump(TXTRecordGetBytesPtr(&ref), TXTRecordGetLength(&ref)); - - TXTRecordSetValue(&ref, "two", 1, "2"); - hexdump(TXTRecordGetBytesPtr(&ref), TXTRecordGetLength(&ref)); - - TXTRecordSetValue(&ref, "three", 1, "3"); - hexdump(TXTRecordGetBytesPtr(&ref), TXTRecordGetLength(&ref)); - - assert(TXTRecordContainsKey(TXTRecordGetLength(&ref), TXTRecordGetBytesPtr(&ref), "two")); - assert(!TXTRecordContainsKey(TXTRecordGetLength(&ref), TXTRecordGetBytesPtr(&ref), "four")); - - r = TXTRecordGetValuePtr(TXTRecordGetLength(&ref), TXTRecordGetBytesPtr(&ref), "kawumm", &l); - - hexdump(r, l); - - assert(TXTRecordGetCount(TXTRecordGetLength(&ref), TXTRecordGetBytesPtr(&ref)) == 6); - - TXTRecordGetItemAtIndex(TXTRecordGetLength(&ref), TXTRecordGetBytesPtr(&ref), 2, sizeof(k), k, &l, &p); - - fprintf(stderr, "key=<%s>\n", k); - - hexdump(p, l); - - assert(TXTRecordGetItemAtIndex(TXTRecordGetLength(&ref), TXTRecordGetBytesPtr(&ref), 20, sizeof(k), k, &l, &p) == kDNSServiceErr_Invalid); - - TXTRecordDeallocate(&ref); -} diff --git a/compat-bonjour/txt.c b/compat-bonjour/txt.c deleted file mode 100644 index c85837a..0000000 --- a/compat-bonjour/txt.c +++ /dev/null @@ -1,491 +0,0 @@ -/* $Id$ */ - -/*** - This file is part of avahi. - - avahi is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as - published by the Free Software Foundation; either version 2.1 of the - License, or (at your option) any later version. - - avahi is distributed in the hope that it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General - Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with avahi; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. -***/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <stdlib.h> -#include <sys/types.h> -#include <assert.h> -#include <string.h> - -#include <avahi-common/malloc.h> - -#include "dns_sd.h" -#include "warn.h" - -typedef struct TXTRecordInternal { - uint8_t *buffer, *malloc_buffer; - size_t size, max_size; -} TXTRecordInternal; - -#define INTERNAL_PTR(txtref) (* (TXTRecordInternal**) (txtref)) -#define INTERNAL_PTR_CONST(txtref) (* (const TXTRecordInternal* const *) (txtref)) - -void DNSSD_API TXTRecordCreate( - TXTRecordRef *txtref, - uint16_t length, - void *buffer) { - - TXTRecordInternal *t; - - AVAHI_WARN_LINKAGE; - - assert(txtref); - - /* Apple's API design is flawed in so many ways, including the - * fact that it isn't compatible with 64 bit processors. To work - * around this we need some magic here which involves allocating - * our own memory. Please, Apple, do your homework next time - * before designing an API! */ - - if ((t = avahi_new(TXTRecordInternal, 1))) { - t->buffer = buffer; - t->max_size = length; - t->size = 0; - t->malloc_buffer = NULL; - } - - /* If we were unable to allocate memory, we store a NULL pointer - * and return a NoMemory error later, is somewhat unclean, but - * should work. */ - INTERNAL_PTR(txtref) = t; -} - -void DNSSD_API TXTRecordDeallocate(TXTRecordRef *txtref) { - TXTRecordInternal *t; - - AVAHI_WARN_LINKAGE; - - assert(txtref); - t = INTERNAL_PTR(txtref); - if (!t) - return; - - avahi_free(t->malloc_buffer); - avahi_free(t); - - /* Just in case ... */ - INTERNAL_PTR(txtref) = NULL; -} - -static int make_sure_fits_in(TXTRecordInternal *t, size_t size) { - uint8_t *n; - size_t nsize; - - assert(t); - - if (t->size + size <= t->max_size) - return 0; - - nsize = t->size + size + 100; - - if (nsize > 0xFFFF) - return -1; - - if (!(n = avahi_realloc(t->malloc_buffer, nsize))) - return -1; - - if (!t->malloc_buffer && t->size) - memcpy(n, t->buffer, t->size); - - t->buffer = t->malloc_buffer = n; - t->max_size = nsize; - - return 0; -} - -static int remove_key(TXTRecordInternal *t, const char *key) { - size_t i; - uint8_t *p; - size_t key_len; - int found = 0; - - key_len = strlen(key); - assert(key_len <= 0xFF); - - p = t->buffer; - i = 0; - - while (i < t->size) { - - /* Does the item fit in? */ - assert(*p <= t->size - i - 1); - - /* Key longer than buffer */ - if (key_len > t->size - i - 1) - break; - - if (key_len <= *p && - strncmp(key, (char*) p+1, key_len) == 0 && - (key_len == *p || p[1+key_len] == '=')) { - - uint8_t s; - - /* Key matches, so let's remove it */ - - s = *p; - memmove(p, p + 1 + *p, t->size - i - *p -1); - t->size -= s + 1; - - found = 1; - } else { - /* Skip to next */ - - i += *p +1; - p += *p +1; - } - } - - return found; -} - -DNSServiceErrorType DNSSD_API TXTRecordSetValue( - TXTRecordRef *txtref, - const char *key, - uint8_t length, - const void *value) { - - TXTRecordInternal *t; - uint8_t *p; - size_t l, n; - - AVAHI_WARN_LINKAGE; - - assert(key); - assert(txtref); - - l = strlen(key); - - if (*key == 0 || strchr(key, '=') || l > 0xFF) /* Empty or invalid key */ - return kDNSServiceErr_Invalid; - - if (!(t = INTERNAL_PTR(txtref))) - return kDNSServiceErr_NoMemory; - - n = l + (value ? length + 1 : 0); - - if (n > 0xFF) - return kDNSServiceErr_Invalid; - - if (make_sure_fits_in(t, 1 + n) < 0) - return kDNSServiceErr_NoMemory; - - remove_key(t, key); - - p = t->buffer + t->size; - - *(p++) = (uint8_t) n; - t->size ++; - - memcpy(p, key, l); - p += l; - t->size += l; - - if (value) { - *(p++) = '='; - memcpy(p, value, length); - t->size += length + 1; - } - - assert(t->size <= t->max_size); - - return kDNSServiceErr_NoError; -} - -DNSServiceErrorType DNSSD_API TXTRecordRemoveValue(TXTRecordRef *txtref, const char *key) { - TXTRecordInternal *t; - int found; - - AVAHI_WARN_LINKAGE; - - assert(key); - assert(txtref); - - if (*key == 0 || strchr(key, '=') || strlen(key) > 0xFF) /* Empty or invalid key */ - return kDNSServiceErr_Invalid; - - if (!(t = INTERNAL_PTR(txtref))) - return kDNSServiceErr_NoError; - - found = remove_key(t, key); - - return found ? kDNSServiceErr_NoError : kDNSServiceErr_NoSuchKey; -} - -uint16_t DNSSD_API TXTRecordGetLength(const TXTRecordRef *txtref) { - const TXTRecordInternal *t; - - AVAHI_WARN_LINKAGE; - - assert(txtref); - - if (!(t = INTERNAL_PTR_CONST(txtref))) - return 0; - - assert(t->size <= 0xFFFF); - return (uint16_t) t->size; -} - -const void * DNSSD_API TXTRecordGetBytesPtr(const TXTRecordRef *txtref) { - const TXTRecordInternal *t; - - AVAHI_WARN_LINKAGE; - - assert(txtref); - - if (!(t = INTERNAL_PTR_CONST(txtref)) || !t->buffer) - return ""; - - return t->buffer; -} - -static const uint8_t *find_key(const uint8_t *buffer, size_t size, const char *key) { - size_t i; - const uint8_t *p; - size_t key_len; - - key_len = strlen(key); - - assert(key_len <= 0xFF); - - p = buffer; - i = 0; - - while (i < size) { - - /* Does the item fit in? */ - if (*p > size - i - 1) - return NULL; - - /* Key longer than buffer */ - if (key_len > size - i - 1) - return NULL; - - if (key_len <= *p && - strncmp(key, (const char*) p+1, key_len) == 0 && - (key_len == *p || p[1+key_len] == '=')) { - - /* Key matches, so let's return it */ - - return p; - } - - /* Skip to next */ - i += *p +1; - p += *p +1; - } - - return NULL; -} - -int DNSSD_API TXTRecordContainsKey ( - uint16_t size, - const void *buffer, - const char *key) { - - AVAHI_WARN_LINKAGE; - - assert(key); - - if (!size) - return 0; - - assert(buffer); - - if (!(find_key(buffer, size, key))) - return 0; - - return 1; -} - -const void * DNSSD_API TXTRecordGetValuePtr( - uint16_t size, - const void *buffer, - const char *key, - uint8_t *value_len) { - - const uint8_t *p; - size_t n, l; - - AVAHI_WARN_LINKAGE; - - assert(key); - - if (!size) - goto fail; - - if (*key == 0 || strchr(key, '=') || strlen(key) > 0xFF) /* Empty or invalid key */ - return NULL; - - assert(buffer); - - if (!(p = find_key(buffer, size, key))) - goto fail; - - n = *p; - l = strlen(key); - - assert(n >= l); - p += 1 + l; - n -= l; - - if (n <= 0) - goto fail; - - assert(*p == '='); - p++; - n--; - - if (value_len) - *value_len = n; - - return p; - -fail: - if (value_len) - *value_len = 0; - - return NULL; -} - - -uint16_t DNSSD_API TXTRecordGetCount( - uint16_t size, - const void *buffer) { - - const uint8_t *p; - unsigned n = 0; - size_t i; - - AVAHI_WARN_LINKAGE; - - if (!size) - return 0; - - assert(buffer); - - p = buffer; - i = 0; - - while (i < size) { - - /* Does the item fit in? */ - if (*p > size - i - 1) - break; - - n++; - - /* Skip to next */ - i += *p +1; - p += *p +1; - } - - assert(n <= 0xFFFF); - - return (uint16_t) n; -} - -DNSServiceErrorType DNSSD_API TXTRecordGetItemAtIndex( - uint16_t size, - const void *buffer, - uint16_t idx, - uint16_t key_len, - char *key, - uint8_t *value_len, - const void **value) { - - const uint8_t *p; - size_t i; - unsigned n = 0; - DNSServiceErrorType ret = kDNSServiceErr_Invalid; - - AVAHI_WARN_LINKAGE; - - if (!size) - goto fail; - - assert(buffer); - - p = buffer; - i = 0; - - while (i < size) { - - /* Does the item fit in? */ - if (*p > size - i - 1) - goto fail; - - if (n >= idx) { - size_t l; - const uint8_t *d; - - d = memchr(p+1, '=', *p); - - /* Length of key */ - l = d ? d - p - 1 : *p; - - if (key_len < l+1) { - ret = kDNSServiceErr_NoMemory; - goto fail; - } - - strncpy(key, (const char*) p + 1, l); - key[l] = 0; - - if (d) { - if (value_len) - *value_len = *p - l - 1; - - if (value) - *value = d + 1; - } else { - - if (value_len) - *value_len = 0; - - if (value) - *value = NULL; - } - - return kDNSServiceErr_NoError; - } - - n++; - - /* Skip to next */ - i += *p +1; - p += *p +1; - } - - -fail: - - if (value) - *value = NULL; - - if (value_len) - *value_len = 0; - - return ret; - -} diff --git a/compat-bonjour/unsupported.c b/compat-bonjour/unsupported.c deleted file mode 100644 index 73e4697..0000000 --- a/compat-bonjour/unsupported.c +++ /dev/null @@ -1,120 +0,0 @@ -/* $Id$ */ - -/*** - This file is part of avahi. - - avahi is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as - published by the Free Software Foundation; either version 2.1 of the - License, or (at your option) any later version. - - avahi is distributed in the hope that it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General - Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with avahi; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. -***/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include "dns_sd.h" -#include "warn.h" - -DNSServiceErrorType DNSSD_API DNSServiceRegisterRecord ( - DNSServiceRef sdRef, - DNSRecordRef *RecordRef, - DNSServiceFlags flags, - uint32_t interfaceIndex, - const char *fullname, - uint16_t rrtype, - uint16_t rrclass, - uint16_t rdlen, - const void *rdata, - uint32_t ttl, - DNSServiceRegisterRecordReply callBack, - void *context) { - - AVAHI_WARN_UNSUPPORTED; - - return kDNSServiceErr_Unsupported; -} - -DNSServiceErrorType DNSSD_API DNSServiceQueryRecord ( - DNSServiceRef *sdRef, - DNSServiceFlags flags, - uint32_t interfaceIndex, - const char *fullname, - uint16_t rrtype, - uint16_t rrclass, - DNSServiceQueryRecordReply callBack, - void *context) { - - AVAHI_WARN_UNSUPPORTED; - - return kDNSServiceErr_Unsupported; -} - -void DNSSD_API DNSServiceReconfirmRecord ( - DNSServiceFlags flags, - uint32_t interfaceIndex, - const char *fullname, - uint16_t rrtype, - uint16_t rrclass, - uint16_t rdlen, - const void *rdata) { - - AVAHI_WARN_UNSUPPORTED; - - return; -} - -DNSServiceErrorType DNSSD_API DNSServiceCreateConnection(DNSServiceRef *sdRef) { - AVAHI_WARN_UNSUPPORTED; - - return kDNSServiceErr_Unsupported; -} - -DNSServiceErrorType DNSSD_API DNSServiceAddRecord( - DNSServiceRef sdRef, - DNSRecordRef *RecordRef, - DNSServiceFlags flags, - uint16_t rrtype, - uint16_t rdlen, - const void *rdata, - uint32_t ttl) { - - AVAHI_WARN_UNSUPPORTED; - - return kDNSServiceErr_Unsupported; -} - -DNSServiceErrorType DNSSD_API DNSServiceUpdateRecord( - DNSServiceRef sdRef, - DNSRecordRef RecordRef, - DNSServiceFlags flags, - uint16_t rdlen, - const void *rdata, - uint32_t ttl) { - - AVAHI_WARN_UNSUPPORTED; - - return kDNSServiceErr_Unsupported; -} - -DNSServiceErrorType DNSSD_API DNSServiceRemoveRecord( - DNSServiceRef sdRef, - DNSRecordRef RecordRef, - DNSServiceFlags flags) { - - AVAHI_WARN_UNSUPPORTED; - - return kDNSServiceErr_Unsupported; -} - - diff --git a/compat-bonjour/warn.c b/compat-bonjour/warn.c deleted file mode 100644 index 859cfb0..0000000 --- a/compat-bonjour/warn.c +++ /dev/null @@ -1,85 +0,0 @@ -/* $Id$ */ - -/*** - This file is part of avahi. - - avahi is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as - published by the Free Software Foundation; either version 2.1 of the - License, or (at your option) any later version. - - avahi is distributed in the hope that it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General - Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with avahi; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. -***/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <pthread.h> -#include <unistd.h> -#include <limits.h> -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <assert.h> - -#include "warn.h" - -static pthread_mutex_t linkage_mutex = PTHREAD_MUTEX_INITIALIZER; -static int linkage_warning = 0; - -static void get_exe_name(char *t, size_t l) { - int k; - char fn[1024]; - - /* Yes, I know, this is not portable. But who cares? It's - * for cosmetics only, anyway. */ - - snprintf(fn, sizeof(fn), "/proc/%lu/exe", (unsigned long) getpid()); - - if ((k = readlink(fn, t, l-1)) < 0) - snprintf(t, l, "(unknown)"); - else { - char *slash; - - assert((size_t) k <= l-1); - t[k] = 0; - - if ((slash = strrchr(t, '/'))) - memmove(t, slash+1, strlen(slash)+1); - } -} - -void avahi_warn_linkage(void) { - int w; - - pthread_mutex_lock(&linkage_mutex); - w = linkage_warning; - linkage_warning = 1; - pthread_mutex_unlock(&linkage_mutex); - - if (!w && !getenv("AVAHI_BONJOUR_NOWARN")) { - char exename[256]; - get_exe_name(exename, sizeof(exename)); - - fprintf(stderr, "*** WARNING: The application '%s' uses the Bonjour compatiblity layer of Avahi. Please fix it to use the native API! ***\n", exename); - } -} - -void avahi_warn_unsupported(const char *function) { - char exename[256]; - get_exe_name(exename, sizeof(exename)); - - fprintf(stderr, "*** WARNING: The application '%s' called '%s()' which is not supported in the Bonjour compatiblity layer of Avahi. Please fix it to use the native API! ***\n", exename, function); -} - - - diff --git a/compat-bonjour/warn.h b/compat-bonjour/warn.h deleted file mode 100644 index b419cd8..0000000 --- a/compat-bonjour/warn.h +++ /dev/null @@ -1,32 +0,0 @@ -#ifndef foowarnhfoo -#define foowarnhfoo - -/* $Id$ */ - -/*** - This file is part of avahi. - - avahi is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as - published by the Free Software Foundation; either version 2.1 of the - License, or (at your option) any later version. - - avahi is distributed in the hope that it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General - Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with avahi; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. -***/ - -void avahi_warn_unsupported(const char *function); - -void avahi_warn_linkage(void); - -#define AVAHI_WARN_LINKAGE { avahi_warn_linkage(); } -#define AVAHI_WARN_UNSUPPORTED { avahi_warn_linkage(); avahi_warn_unsupported(__FUNCTION__); } - -#endif |