X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-daemon%2Fdbus-protocol.c;fp=avahi-daemon%2Fdbus-protocol.c;h=0000000000000000000000000000000000000000;hb=f1de9dcaab953757252d51b4725cbfa36daa10a5;hp=eb8a6629a4c2541ee0ae34044b808ce8a041af54;hpb=7a5b2f69af7d36d6cd4153142f125fa011784e03;p=catta diff --git a/avahi-daemon/dbus-protocol.c b/avahi-daemon/dbus-protocol.c deleted file mode 100644 index eb8a662..0000000 --- a/avahi-daemon/dbus-protocol.c +++ /dev/null @@ -1,1226 +0,0 @@ -/*** - 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 -#endif - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include - -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -#include "dbus-protocol.h" -#include "dbus-util.h" -#include "dbus-internal.h" -#include "main.h" - -/* #define VALGRIND_WORKAROUND 1 */ - -#define RECONNECT_MSEC 3000 - -Server *server = NULL; - -static int dbus_connect(void); -static void dbus_disconnect(void); - -static void client_free(Client *c) { - - assert(server); - assert(c); - - while (c->entry_groups) - avahi_dbus_entry_group_free(c->entry_groups); - - while (c->sync_host_name_resolvers) - avahi_dbus_sync_host_name_resolver_free(c->sync_host_name_resolvers); - - while (c->async_host_name_resolvers) - avahi_dbus_async_host_name_resolver_free(c->async_host_name_resolvers); - - while (c->sync_address_resolvers) - avahi_dbus_sync_address_resolver_free(c->sync_address_resolvers); - - while (c->async_address_resolvers) - avahi_dbus_async_address_resolver_free(c->async_address_resolvers); - - while (c->domain_browsers) - avahi_dbus_domain_browser_free(c->domain_browsers); - - while (c->service_type_browsers) - avahi_dbus_service_type_browser_free(c->service_type_browsers); - - while (c->service_browsers) - avahi_dbus_service_browser_free(c->service_browsers); - - while (c->sync_service_resolvers) - avahi_dbus_sync_service_resolver_free(c->sync_service_resolvers); - - while (c->async_service_resolvers) - avahi_dbus_async_service_resolver_free(c->async_service_resolvers); - - while (c->record_browsers) - avahi_dbus_record_browser_free(c->record_browsers); - - assert(c->n_objects == 0); - - avahi_free(c->name); - AVAHI_LLIST_REMOVE(Client, clients, server->clients, c); - avahi_free(c); - - assert(server->n_clients >= 1); - server->n_clients --; -} - -static Client *client_get(const char *name, int create) { - Client *client; - - assert(server); - assert(name); - - for (client = server->clients; client; client = client->clients_next) - if (!strcmp(name, client->name)) - return client; - - if (!create) - return NULL; - - if (server->n_clients >= server->n_clients_max) - return NULL; - - /* If not existent yet, create a new entry */ - client = avahi_new(Client, 1); - client->id = server->current_id++; - client->name = avahi_strdup(name); - client->current_id = 0; - client->n_objects = 0; - - AVAHI_LLIST_HEAD_INIT(EntryGroupInfo, client->entry_groups); - AVAHI_LLIST_HEAD_INIT(SyncHostNameResolverInfo, client->sync_host_name_resolvers); - AVAHI_LLIST_HEAD_INIT(AsyncHostNameResolverInfo, client->async_host_name_resolvers); - AVAHI_LLIST_HEAD_INIT(SyncAddressResolverInfo, client->sync_address_resolvers); - AVAHI_LLIST_HEAD_INIT(AsyncAddressResolverInfo, client->async_address_resolvers); - AVAHI_LLIST_HEAD_INIT(DomainBrowserInfo, client->domain_browsers); - AVAHI_LLIST_HEAD_INIT(ServiceTypeBrowserInfo, client->service_type_browsers); - AVAHI_LLIST_HEAD_INIT(ServiceBrowserInfo, client->service_browsers); - AVAHI_LLIST_HEAD_INIT(SyncServiceResolverInfo, client->sync_service_resolvers); - AVAHI_LLIST_HEAD_INIT(AsyncServiceResolverInfo, client->async_service_resolvers); - AVAHI_LLIST_HEAD_INIT(RecordBrowserInfo, client->record_browsers); - - AVAHI_LLIST_PREPEND(Client, clients, server->clients, client); - - server->n_clients++; - assert(server->n_clients > 0); - - return client; -} - -static void reconnect_callback(AvahiTimeout *t, AVAHI_GCC_UNUSED void *userdata) { - assert(!server->bus); - - if (dbus_connect() < 0) { - struct timeval tv; - avahi_log_debug(__FILE__": Connection failed, retrying in %ims...", RECONNECT_MSEC); - avahi_elapse_time(&tv, RECONNECT_MSEC, 0); - server->poll_api->timeout_update(t, &tv); - } else { - avahi_log_debug(__FILE__": Successfully reconnected."); - server->poll_api->timeout_update(t, NULL); - } -} - -static DBusHandlerResult msg_signal_filter_impl(AVAHI_GCC_UNUSED DBusConnection *c, DBusMessage *m, AVAHI_GCC_UNUSED void *userdata) { - DBusError error; - - dbus_error_init(&error); - -/* avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s", */ -/* dbus_message_get_interface(m), */ -/* dbus_message_get_path(m), */ -/* dbus_message_get_member(m)); */ - - if (dbus_message_is_signal(m, DBUS_INTERFACE_LOCAL, "Disconnected")) { - struct timeval tv; - - if (server->reconnect) { - avahi_log_warn("Disconnected from D-Bus, trying to reconnect in %ims...", RECONNECT_MSEC); - - dbus_disconnect(); - - avahi_elapse_time(&tv, RECONNECT_MSEC, 0); - - if (server->reconnect_timeout) - server->poll_api->timeout_update(server->reconnect_timeout, &tv); - else - server->reconnect_timeout = server->poll_api->timeout_new(server->poll_api, &tv, reconnect_callback, NULL); - } else { - avahi_log_warn("Disconnected from D-Bus, exiting."); - raise(SIGTERM); - } - - return DBUS_HANDLER_RESULT_HANDLED; - - } else if (dbus_message_is_signal(m, DBUS_INTERFACE_DBUS, "NameAcquired")) { - char *name; - - if (!dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID)) { - avahi_log_warn("Error parsing NameAcquired message"); - goto fail; - } - -/* avahi_log_info(__FILE__": name acquired (%s)", name); */ - return DBUS_HANDLER_RESULT_HANDLED; - - } else if (dbus_message_is_signal(m, DBUS_INTERFACE_DBUS, "NameOwnerChanged")) { - char *name, *old, *new; - - if (!dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &name, DBUS_TYPE_STRING, &old, DBUS_TYPE_STRING, &new, DBUS_TYPE_INVALID)) { - avahi_log_warn("Error parsing NameOwnerChanged message"); - goto fail; - } - - if (!*new) { - Client *client; - - if ((client = client_get(name, FALSE))) { - avahi_log_debug(__FILE__": client %s vanished.", name); - client_free(client); - } - } - } - -fail: - if (dbus_error_is_set(&error)) - dbus_error_free(&error); - - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; -} - -static DBusHandlerResult msg_server_impl(DBusConnection *c, DBusMessage *m, AVAHI_GCC_UNUSED void *userdata) { - DBusError error; - - dbus_error_init(&error); - - avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s", - dbus_message_get_interface(m), - dbus_message_get_path(m), - dbus_message_get_member(m)); - - if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect")) - return avahi_dbus_handle_introspect(c, m, "org.freedesktop.Avahi.Server.xml"); - - else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetHostName")) { - - if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) { - avahi_log_warn("Error parsing Server::GetHostName message"); - goto fail; - } - - return avahi_dbus_respond_string(c, m, avahi_server_get_host_name(avahi_server)); - - } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "SetHostName")) { - - char *name; - - if (!dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID)) { - avahi_log_warn("Error parsing Server::SetHostName message"); - goto fail; - } - - if (avahi_server_set_host_name(avahi_server, name) < 0) - return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); - - avahi_log_info("Changing host name to '%s'.", name); - - return avahi_dbus_respond_ok(c, m); - - } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetDomainName")) { - - if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) { - avahi_log_warn("Error parsing Server::GetDomainName message"); - goto fail; - } - - return avahi_dbus_respond_string(c, m, avahi_server_get_domain_name(avahi_server)); - - } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetHostNameFqdn")) { - - if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) { - avahi_log_warn("Error parsing Server::GetHostNameFqdn message"); - goto fail; - } - - return avahi_dbus_respond_string(c, m, avahi_server_get_host_name_fqdn(avahi_server)); - - } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "IsNSSSupportAvailable")) { - if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) { - avahi_log_warn("Error parsing Server::IsNSSSupportAvailable message"); - goto fail; - } - - return avahi_dbus_respond_boolean(c, m, nss_support); - - } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetVersionString")) { - - if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) { - avahi_log_warn("Error parsing Server::GetVersionString message"); - goto fail; - } - - return avahi_dbus_respond_string(c, m, PACKAGE_STRING); - - } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetAPIVersion")) { - - if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) { - avahi_log_warn("Error parsing Server::GetAPIVersion message"); - goto fail; - } - - return avahi_dbus_respond_uint32(c, m, AVAHI_DBUS_API_VERSION); - - } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetState")) { - AvahiServerState state; - - if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) { - avahi_log_warn("Error parsing Server::GetState message"); - goto fail; - } - - state = avahi_server_get_state(avahi_server); - return avahi_dbus_respond_int32(c, m, (int32_t) state); - - } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetLocalServiceCookie")) { - - if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INVALID))) { - avahi_log_warn("Error parsing Server::GetLocalServiceCookie message"); - goto fail; - } - - return avahi_dbus_respond_uint32(c, m, avahi_server_get_local_service_cookie(avahi_server)); - - } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetNetworkInterfaceNameByIndex")) { - int32_t idx; - char name[IF_NAMESIZE]; - - if (!(dbus_message_get_args(m, &error, DBUS_TYPE_INT32, &idx, DBUS_TYPE_INVALID))) { - avahi_log_warn("Error parsing Server::GetNetworkInterfaceNameByIndex message"); - goto fail; - } - -#ifdef VALGRIND_WORKAROUND - return respond_string(c, m, "blah"); -#else - if ((!if_indextoname(idx, name))) { - char txt[256]; - snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno)); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_OS, txt); - } - - return avahi_dbus_respond_string(c, m, name); -#endif - - } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetNetworkInterfaceIndexByName")) { - char *n; - int32_t idx; - - if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n) { - avahi_log_warn("Error parsing Server::GetNetworkInterfaceIndexByName message"); - goto fail; - } - -#ifdef VALGRIND_WORKAROUND - return respond_int32(c, m, 1); -#else - if (!(idx = if_nametoindex(n))) { - char txt[256]; - snprintf(txt, sizeof(txt), "OS Error: %s", strerror(errno)); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_OS, txt); - } - - return avahi_dbus_respond_int32(c, m, idx); -#endif - - } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetAlternativeHostName")) { - char *n, * t; - - if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n) { - avahi_log_warn("Error parsing Server::GetAlternativeHostName message"); - goto fail; - } - - t = avahi_alternative_host_name(n); - avahi_dbus_respond_string(c, m, t); - avahi_free(t); - - return DBUS_HANDLER_RESULT_HANDLED; - - } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "GetAlternativeServiceName")) { - char *n, *t; - - if (!(dbus_message_get_args(m, &error, DBUS_TYPE_STRING, &n, DBUS_TYPE_INVALID)) || !n) { - avahi_log_warn("Error parsing Server::GetAlternativeServiceName message"); - goto fail; - } - - t = avahi_alternative_service_name(n); - avahi_dbus_respond_string(c, m, t); - avahi_free(t); - - return DBUS_HANDLER_RESULT_HANDLED; - - } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "EntryGroupNew")) { - Client *client; - EntryGroupInfo *i; - static const DBusObjectPathVTable vtable = { - NULL, - avahi_dbus_msg_entry_group_impl, - NULL, - NULL, - NULL, - NULL - }; - - if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) { - avahi_log_warn("Error parsing Server::EntryGroupNew message"); - goto fail; - } - - if (server->disable_user_service_publishing) - return avahi_dbus_respond_error(c, m, AVAHI_ERR_NOT_PERMITTED, NULL); - - if (!(client = client_get(dbus_message_get_sender(m), TRUE))) { - avahi_log_warn("Too many clients, client request failed."); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL); - } - - if (client->n_objects >= server->n_objects_per_client_max) { - avahi_log_warn("Too many objects for client '%s', client request failed.", client->name); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL); - } - - i = avahi_new(EntryGroupInfo, 1); - i->id = ++client->current_id; - i->client = client; - i->path = NULL; - i->n_entries = 0; - AVAHI_LLIST_PREPEND(EntryGroupInfo, entry_groups, client->entry_groups, i); - client->n_objects++; - - if (!(i->entry_group = avahi_s_entry_group_new(avahi_server, avahi_dbus_entry_group_callback, i))) { - avahi_dbus_entry_group_free(i); - return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); - } - - i->path = avahi_strdup_printf("/Client%u/EntryGroup%u", client->id, i->id); - dbus_connection_register_object_path(c, i->path, &vtable, i); - return avahi_dbus_respond_path(c, m, i->path); - - } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveHostName")) { - Client *client; - int32_t interface, protocol, aprotocol; - uint32_t flags; - char *name; - SyncHostNameResolverInfo *i; - - if (!dbus_message_get_args( - m, &error, - DBUS_TYPE_INT32, &interface, - DBUS_TYPE_INT32, &protocol, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INT32, &aprotocol, - DBUS_TYPE_UINT32, &flags, - DBUS_TYPE_INVALID) || !name) { - avahi_log_warn("Error parsing Server::ResolveHostName message"); - goto fail; - } - - if (!(client = client_get(dbus_message_get_sender(m), TRUE))) { - avahi_log_warn("Too many clients, client request failed."); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL); - } - - if (client->n_objects >= server->n_objects_per_client_max) { - avahi_log_warn("Too many objects for client '%s', client request failed.", client->name); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL); - } - - i = avahi_new(SyncHostNameResolverInfo, 1); - i->client = client; - i->message = dbus_message_ref(m); - AVAHI_LLIST_PREPEND(SyncHostNameResolverInfo, sync_host_name_resolvers, client->sync_host_name_resolvers, i); - client->n_objects++; - - if (!(i->host_name_resolver = avahi_s_host_name_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, (AvahiProtocol) aprotocol, (AvahiLookupFlags) flags, avahi_dbus_sync_host_name_resolver_callback, i))) { - avahi_dbus_sync_host_name_resolver_free(i); - return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); - } - - return DBUS_HANDLER_RESULT_HANDLED; - - } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveAddress")) { - Client *client; - int32_t interface, protocol; - uint32_t flags; - char *address; - SyncAddressResolverInfo *i; - AvahiAddress a; - - if (!dbus_message_get_args( - m, &error, - DBUS_TYPE_INT32, &interface, - DBUS_TYPE_INT32, &protocol, - DBUS_TYPE_STRING, &address, - DBUS_TYPE_UINT32, &flags, - DBUS_TYPE_INVALID) || !address) { - avahi_log_warn("Error parsing Server::ResolveAddress message"); - goto fail; - } - - if (!avahi_address_parse(address, AVAHI_PROTO_UNSPEC, &a)) - return avahi_dbus_respond_error(c, m, AVAHI_ERR_INVALID_ADDRESS, NULL); - - if (!(client = client_get(dbus_message_get_sender(m), TRUE))) { - avahi_log_warn("Too many clients, client request failed."); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL); - } - - if (client->n_objects >= server->n_objects_per_client_max) { - avahi_log_warn("Too many objects for client '%s', client request failed.", client->name); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL); - } - - i = avahi_new(SyncAddressResolverInfo, 1); - i->client = client; - i->message = dbus_message_ref(m); - AVAHI_LLIST_PREPEND(SyncAddressResolverInfo, sync_address_resolvers, client->sync_address_resolvers, i); - client->n_objects++; - - if (!(i->address_resolver = avahi_s_address_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, &a, (AvahiLookupFlags) flags, avahi_dbus_sync_address_resolver_callback, i))) { - avahi_dbus_sync_address_resolver_free(i); - return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); - } - - return DBUS_HANDLER_RESULT_HANDLED; - - } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "DomainBrowserNew")) { - Client *client; - DomainBrowserInfo *i; - static const DBusObjectPathVTable vtable = { - NULL, - avahi_dbus_msg_domain_browser_impl, - NULL, - NULL, - NULL, - NULL - }; - int32_t interface, protocol, type; - uint32_t flags; - char *domain; - - if (!dbus_message_get_args( - m, &error, - DBUS_TYPE_INT32, &interface, - DBUS_TYPE_INT32, &protocol, - DBUS_TYPE_STRING, &domain, - DBUS_TYPE_INT32, &type, - DBUS_TYPE_UINT32, &flags, - DBUS_TYPE_INVALID) || type < 0 || type >= AVAHI_DOMAIN_BROWSER_MAX) { - avahi_log_warn("Error parsing Server::DomainBrowserNew message"); - goto fail; - } - - if (!(client = client_get(dbus_message_get_sender(m), TRUE))) { - avahi_log_warn("Too many clients, client request failed."); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL); - } - - if (client->n_objects >= server->n_objects_per_client_max) { - avahi_log_warn("Too many objects for client '%s', client request failed.", client->name); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL); - } - - if (!*domain) - domain = NULL; - - i = avahi_new(DomainBrowserInfo, 1); - i->id = ++client->current_id; - i->client = client; - i->path = NULL; - AVAHI_LLIST_PREPEND(DomainBrowserInfo, domain_browsers, client->domain_browsers, i); - client->n_objects++; - - if (!(i->domain_browser = avahi_s_domain_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, domain, (AvahiDomainBrowserType) type, (AvahiLookupFlags) flags, avahi_dbus_domain_browser_callback, i))) { - avahi_dbus_domain_browser_free(i); - return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); - } - - i->path = avahi_strdup_printf("/Client%u/DomainBrowser%u", client->id, i->id); - dbus_connection_register_object_path(c, i->path, &vtable, i); - return avahi_dbus_respond_path(c, m, i->path); - - } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceTypeBrowserNew")) { - Client *client; - ServiceTypeBrowserInfo *i; - static const DBusObjectPathVTable vtable = { - NULL, - avahi_dbus_msg_service_type_browser_impl, - NULL, - NULL, - NULL, - NULL - }; - int32_t interface, protocol; - uint32_t flags; - char *domain; - - if (!dbus_message_get_args( - m, &error, - DBUS_TYPE_INT32, &interface, - DBUS_TYPE_INT32, &protocol, - DBUS_TYPE_STRING, &domain, - DBUS_TYPE_UINT32, &flags, - DBUS_TYPE_INVALID)) { - avahi_log_warn("Error parsing Server::ServiceTypeBrowserNew message"); - goto fail; - } - - if (!(client = client_get(dbus_message_get_sender(m), TRUE))) { - avahi_log_warn("Too many clients, client request failed."); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL); - } - - if (client->n_objects >= server->n_objects_per_client_max) { - avahi_log_warn("Too many objects for client '%s', client request failed.", client->name); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL); - } - - if (!*domain) - domain = NULL; - - i = avahi_new(ServiceTypeBrowserInfo, 1); - i->id = ++client->current_id; - i->client = client; - i->path = NULL; - AVAHI_LLIST_PREPEND(ServiceTypeBrowserInfo, service_type_browsers, client->service_type_browsers, i); - client->n_objects++; - - if (!(i->service_type_browser = avahi_s_service_type_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, domain, (AvahiLookupFlags) flags, avahi_dbus_service_type_browser_callback, i))) { - avahi_dbus_service_type_browser_free(i); - return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); - } - - i->path = avahi_strdup_printf("/Client%u/ServiceTypeBrowser%u", client->id, i->id); - dbus_connection_register_object_path(c, i->path, &vtable, i); - return avahi_dbus_respond_path(c, m, i->path); - - } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceBrowserNew")) { - Client *client; - ServiceBrowserInfo *i; - static const DBusObjectPathVTable vtable = { - NULL, - avahi_dbus_msg_service_browser_impl, - NULL, - NULL, - NULL, - NULL - }; - int32_t interface, protocol; - uint32_t flags; - char *domain, *type; - - if (!dbus_message_get_args( - m, &error, - DBUS_TYPE_INT32, &interface, - DBUS_TYPE_INT32, &protocol, - DBUS_TYPE_STRING, &type, - DBUS_TYPE_STRING, &domain, - DBUS_TYPE_UINT32, &flags, - DBUS_TYPE_INVALID) || !type) { - avahi_log_warn("Error parsing Server::ServiceBrowserNew message"); - goto fail; - } - - if (!(client = client_get(dbus_message_get_sender(m), TRUE))) { - avahi_log_warn("Too many clients, client request failed."); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL); - } - - if (client->n_objects >= server->n_objects_per_client_max) { - avahi_log_warn("Too many objects for client '%s', client request failed.", client->name); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL); - } - - if (!*domain) - domain = NULL; - - i = avahi_new(ServiceBrowserInfo, 1); - i->id = ++client->current_id; - i->client = client; - i->path = NULL; - AVAHI_LLIST_PREPEND(ServiceBrowserInfo, service_browsers, client->service_browsers, i); - client->n_objects++; - - if (!(i->service_browser = avahi_s_service_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, type, domain, (AvahiLookupFlags) flags, avahi_dbus_service_browser_callback, i))) { - avahi_dbus_service_browser_free(i); - return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); - } - - i->path = avahi_strdup_printf("/Client%u/ServiceBrowser%u", client->id, i->id); - dbus_connection_register_object_path(c, i->path, &vtable, i); - return avahi_dbus_respond_path(c, m, i->path); - - } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ResolveService")) { - Client *client; - int32_t interface, protocol, aprotocol; - uint32_t flags; - char *name, *type, *domain; - SyncServiceResolverInfo *i; - - if (!dbus_message_get_args( - m, &error, - DBUS_TYPE_INT32, &interface, - DBUS_TYPE_INT32, &protocol, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_STRING, &type, - DBUS_TYPE_STRING, &domain, - DBUS_TYPE_INT32, &aprotocol, - DBUS_TYPE_UINT32, &flags, - DBUS_TYPE_INVALID) || !type) { - avahi_log_warn("Error parsing Server::ResolveService message"); - goto fail; - } - - if (!(client = client_get(dbus_message_get_sender(m), TRUE))) { - avahi_log_warn("Too many clients, client request failed."); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL); - } - - if (client->n_objects >= server->n_objects_per_client_max) { - avahi_log_warn("Too many objects for client '%s', client request failed.", client->name); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL); - } - - if (!*domain) - domain = NULL; - - if (!*name) - name = NULL; - - i = avahi_new(SyncServiceResolverInfo, 1); - i->client = client; - i->message = dbus_message_ref(m); - AVAHI_LLIST_PREPEND(SyncServiceResolverInfo, sync_service_resolvers, client->sync_service_resolvers, i); - client->n_objects++; - - if (!(i->service_resolver = avahi_s_service_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, type, domain, (AvahiProtocol) aprotocol, (AvahiLookupFlags) flags, avahi_dbus_sync_service_resolver_callback, i))) { - avahi_dbus_sync_service_resolver_free(i); - return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); - } - - return DBUS_HANDLER_RESULT_HANDLED; - - } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "ServiceResolverNew")) { - Client *client; - int32_t interface, protocol, aprotocol; - uint32_t flags; - char *name, *type, *domain; - AsyncServiceResolverInfo *i; - static const DBusObjectPathVTable vtable = { - NULL, - avahi_dbus_msg_async_service_resolver_impl, - NULL, - NULL, - NULL, - NULL - }; - - if (!dbus_message_get_args( - m, &error, - DBUS_TYPE_INT32, &interface, - DBUS_TYPE_INT32, &protocol, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_STRING, &type, - DBUS_TYPE_STRING, &domain, - DBUS_TYPE_INT32, &aprotocol, - DBUS_TYPE_UINT32, &flags, - DBUS_TYPE_INVALID) || !type) { - avahi_log_warn("Error parsing Server::ServiceResolverNew message"); - goto fail; - } - - if (!(client = client_get(dbus_message_get_sender(m), TRUE))) { - avahi_log_warn(__FILE__": Too many clients, client request failed."); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL); - } - - if (client->n_objects >= server->n_objects_per_client_max) { - avahi_log_warn(__FILE__": Too many objects for client '%s', client request failed.", client->name); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL); - } - - if (!*domain) - domain = NULL; - - if (!*name) - name = NULL; - - i = avahi_new(AsyncServiceResolverInfo, 1); - i->id = ++client->current_id; - i->client = client; - i->path = NULL; - AVAHI_LLIST_PREPEND(AsyncServiceResolverInfo, async_service_resolvers, client->async_service_resolvers, i); - client->n_objects++; - - if (!(i->service_resolver = avahi_s_service_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, type, domain, (AvahiProtocol) aprotocol, (AvahiLookupFlags) flags, avahi_dbus_async_service_resolver_callback, i))) { - avahi_dbus_async_service_resolver_free(i); - return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); - } - -/* avahi_log_debug(__FILE__": [%s], new service resolver for <%s.%s.%s>", i->path, name, type, domain); */ - - i->path = avahi_strdup_printf("/Client%u/ServiceResolver%u", client->id, i->id); - dbus_connection_register_object_path(c, i->path, &vtable, i); - return avahi_dbus_respond_path(c, m, i->path); - - } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "HostNameResolverNew")) { - Client *client; - int32_t interface, protocol, aprotocol; - uint32_t flags; - char *name; - AsyncHostNameResolverInfo *i; - static const DBusObjectPathVTable vtable = { - NULL, - avahi_dbus_msg_async_host_name_resolver_impl, - NULL, - NULL, - NULL, - NULL - }; - - if (!dbus_message_get_args( - m, &error, - DBUS_TYPE_INT32, &interface, - DBUS_TYPE_INT32, &protocol, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INT32, &aprotocol, - DBUS_TYPE_UINT32, &flags, - DBUS_TYPE_INVALID) || !name) { - avahi_log_warn("Error parsing Server::HostNameResolverNew message"); - goto fail; - } - - if (!(client = client_get(dbus_message_get_sender(m), TRUE))) { - avahi_log_warn(__FILE__": Too many clients, client request failed."); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL); - } - - if (client->n_objects >= server->n_objects_per_client_max) { - avahi_log_warn(__FILE__": Too many objects for client '%s', client request failed.", client->name); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL); - } - - i = avahi_new(AsyncHostNameResolverInfo, 1); - i->id = ++client->current_id; - i->client = client; - i->path = NULL; - AVAHI_LLIST_PREPEND(AsyncHostNameResolverInfo, async_host_name_resolvers, client->async_host_name_resolvers, i); - client->n_objects++; - - if (!(i->host_name_resolver = avahi_s_host_name_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, name, aprotocol, (AvahiLookupFlags) flags, avahi_dbus_async_host_name_resolver_callback, i))) { - avahi_dbus_async_host_name_resolver_free(i); - return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); - } - - i->path = avahi_strdup_printf("/Client%u/HostNameResolver%u", client->id, i->id); - dbus_connection_register_object_path(c, i->path, &vtable, i); - return avahi_dbus_respond_path(c, m, i->path); - - } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "AddressResolverNew")) { - Client *client; - int32_t interface, protocol; - uint32_t flags; - char *address; - AsyncAddressResolverInfo *i; - AvahiAddress a; - static const DBusObjectPathVTable vtable = { - NULL, - avahi_dbus_msg_async_address_resolver_impl, - NULL, - NULL, - NULL, - NULL - }; - - if (!dbus_message_get_args( - m, &error, - DBUS_TYPE_INT32, &interface, - DBUS_TYPE_INT32, &protocol, - DBUS_TYPE_STRING, &address, - DBUS_TYPE_UINT32, &flags, - DBUS_TYPE_INVALID) || !address) { - avahi_log_warn("Error parsing Server::AddressResolverNew message"); - goto fail; - } - - if (!avahi_address_parse(address, AVAHI_PROTO_UNSPEC, &a)) - return avahi_dbus_respond_error(c, m, AVAHI_ERR_INVALID_ADDRESS, NULL); - - if (!(client = client_get(dbus_message_get_sender(m), TRUE))) { - avahi_log_warn(__FILE__": Too many clients, client request failed."); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL); - } - - if (client->n_objects >= server->n_objects_per_client_max) { - avahi_log_warn(__FILE__": Too many objects for client '%s', client request failed.", client->name); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL); - } - - i = avahi_new(AsyncAddressResolverInfo, 1); - i->id = ++client->current_id; - i->client = client; - i->path = NULL; - AVAHI_LLIST_PREPEND(AsyncAddressResolverInfo, async_address_resolvers, client->async_address_resolvers, i); - client->n_objects++; - - if (!(i->address_resolver = avahi_s_address_resolver_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, &a, (AvahiLookupFlags) flags, avahi_dbus_async_address_resolver_callback, i))) { - avahi_dbus_async_address_resolver_free(i); - return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); - } - - i->path = avahi_strdup_printf("/Client%u/AddressResolver%u", client->id, i->id); - dbus_connection_register_object_path(c, i->path, &vtable, i); - return avahi_dbus_respond_path(c, m, i->path); - - } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_SERVER, "RecordBrowserNew")) { - Client *client; - RecordBrowserInfo *i; - static const DBusObjectPathVTable vtable = { - NULL, - avahi_dbus_msg_record_browser_impl, - NULL, - NULL, - NULL, - NULL - }; - int32_t interface, protocol; - uint32_t flags; - char *name; - uint16_t type, clazz; - AvahiKey *key; - - if (!dbus_message_get_args( - m, &error, - DBUS_TYPE_INT32, &interface, - DBUS_TYPE_INT32, &protocol, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_UINT16, &clazz, - DBUS_TYPE_UINT16, &type, - DBUS_TYPE_UINT32, &flags, - DBUS_TYPE_INVALID) || !name) { - avahi_log_warn("Error parsing Server::RecordBrowserNew message"); - goto fail; - } - - if (!avahi_is_valid_domain_name(name)) - return avahi_dbus_respond_error(c, m, AVAHI_ERR_INVALID_DOMAIN_NAME, NULL); - - if (!(client = client_get(dbus_message_get_sender(m), TRUE))) { - avahi_log_warn("Too many clients, client request failed."); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_CLIENTS, NULL); - } - - if (client->n_objects >= server->n_objects_per_client_max) { - avahi_log_warn("Too many objects for client '%s', client request failed.", client->name); - return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_OBJECTS, NULL); - } - - i = avahi_new(RecordBrowserInfo, 1); - i->id = ++client->current_id; - i->client = client; - i->path = NULL; - AVAHI_LLIST_PREPEND(RecordBrowserInfo, record_browsers, client->record_browsers, i); - client->n_objects++; - - key = avahi_key_new(name, clazz, type); - assert(key); - - if (!(i->record_browser = avahi_s_record_browser_new(avahi_server, (AvahiIfIndex) interface, (AvahiProtocol) protocol, key, (AvahiLookupFlags) flags, avahi_dbus_record_browser_callback, i))) { - avahi_key_unref(key); - avahi_dbus_record_browser_free(i); - return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); - } - - avahi_key_unref(key); - - i->path = avahi_strdup_printf("/Client%u/RecordBrowser%u", client->id, i->id); - dbus_connection_register_object_path(c, i->path, &vtable, i); - return avahi_dbus_respond_path(c, m, i->path); - } - - avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m)); - -fail: - if (dbus_error_is_set(&error)) - dbus_error_free(&error); - - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; -} - -void dbus_protocol_server_state_changed(AvahiServerState state) { - DBusMessage *m; - int32_t t; - const char *e; - - if (!server || !server->bus) - return; - - m = dbus_message_new_signal(AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "StateChanged"); - - if (!m) { - avahi_log_error("Failed allocate message"); - return; - } - - t = (int32_t) state; - - if (state == AVAHI_SERVER_COLLISION) - e = AVAHI_DBUS_ERR_COLLISION; - else if (state == AVAHI_SERVER_FAILURE) - e = avahi_error_number_to_dbus(avahi_server_errno(avahi_server)); - else - e = AVAHI_DBUS_ERR_OK; - - dbus_message_append_args(m, DBUS_TYPE_INT32, &t, DBUS_TYPE_STRING, &e, DBUS_TYPE_INVALID); - dbus_connection_send(server->bus, m, NULL); - dbus_message_unref(m); -} - -static int dbus_connect(void) { - DBusError error; - - static const DBusObjectPathVTable server_vtable = { - NULL, - msg_server_impl, - NULL, - NULL, - NULL, - NULL - }; - - assert(server); - assert(!server->bus); - - dbus_error_init(&error); - -#ifdef HAVE_DBUS_BUS_GET_PRIVATE - if (!(server->bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error))) { - assert(dbus_error_is_set(&error)); - avahi_log_error("dbus_bus_get_private(): %s", error.message); - goto fail; - } -#else - { - const char *a; - - if (!(a = getenv("DBUS_SYSTEM_BUS_ADDRESS")) || !*a) - a = DBUS_SYSTEM_BUS_DEFAULT_ADDRESS; - - if (!(server->bus = dbus_connection_open_private(a, &error))) { - assert(dbus_error_is_set(&error)); - avahi_log_error("dbus_bus_open_private(): %s", error.message); - goto fail; - } - - if (!dbus_bus_register(server->bus, &error)) { - assert(dbus_error_is_set(&error)); - avahi_log_error("dbus_bus_register(): %s", error.message); - goto fail; - } - } -#endif - - if (avahi_dbus_connection_glue(server->bus, server->poll_api) < 0) { - avahi_log_error("avahi_dbus_connection_glue() failed"); - goto fail; - } - - dbus_connection_set_exit_on_disconnect(server->bus, FALSE); - - if (dbus_bus_request_name( - server->bus, - AVAHI_DBUS_NAME, -#if (DBUS_VERSION_MAJOR == 0) && (DBUS_VERSION_MINOR < 60) - DBUS_NAME_FLAG_PROHIBIT_REPLACEMENT, -#else - DBUS_NAME_FLAG_DO_NOT_QUEUE, -#endif - &error) != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) { - if (dbus_error_is_set(&error)) { - avahi_log_error("dbus_bus_request_name(): %s", error.message); - goto fail; - } - - avahi_log_error("Failed to acquire D-Bus name '"AVAHI_DBUS_NAME"'"); - goto fail; - } - - if (!(dbus_connection_add_filter(server->bus, msg_signal_filter_impl, (void*) server->poll_api, NULL))) { - avahi_log_error("dbus_connection_add_filter() failed"); - goto fail; - } - - dbus_bus_add_match(server->bus, "type='signal',""interface='" DBUS_INTERFACE_DBUS "'", &error); - - if (dbus_error_is_set(&error)) { - avahi_log_error("dbus_bus_add_match(): %s", error.message); - goto fail; - } - - if (!(dbus_connection_register_object_path(server->bus, AVAHI_DBUS_PATH_SERVER, &server_vtable, NULL))) { - avahi_log_error("dbus_connection_register_object_path() failed"); - goto fail; - } - - return 0; -fail: - - if (dbus_error_is_set(&error)) - dbus_error_free(&error); - - if (server->bus) { -#ifdef HAVE_DBUS_CONNECTION_CLOSE - dbus_connection_close(server->bus); -#else - dbus_connection_disconnect(server->bus); -#endif - dbus_connection_unref(server->bus); - server->bus = NULL; - } - - return -1; -} - -static void dbus_disconnect(void) { - assert(server); - - while (server->clients) - client_free(server->clients); - - assert(server->n_clients == 0); - - if (server->bus) { -#ifdef HAVE_DBUS_CONNECTION_CLOSE - dbus_connection_close(server->bus); -#else - dbus_connection_disconnect(server->bus); -#endif - dbus_connection_unref(server->bus); - server->bus = NULL; - } -} - -int dbus_protocol_setup(const AvahiPoll *poll_api, - int _disable_user_service_publishing, - int _n_clients_max, - int _n_objects_per_client_max, - int _n_entries_per_entry_group_max, - int force) { - - - server = avahi_new(Server, 1); - AVAHI_LLIST_HEAD_INIT(Clients, server->clients); - server->current_id = 0; - server->n_clients = 0; - server->bus = NULL; - server->poll_api = poll_api; - server->reconnect_timeout = NULL; - server->reconnect = force; - server->disable_user_service_publishing = _disable_user_service_publishing; - server->n_clients_max = _n_clients_max > 0 ? _n_clients_max : DEFAULT_CLIENTS_MAX; - server->n_objects_per_client_max = _n_objects_per_client_max > 0 ? _n_objects_per_client_max : DEFAULT_OBJECTS_PER_CLIENT_MAX; - server->n_entries_per_entry_group_max = _n_entries_per_entry_group_max > 0 ? _n_entries_per_entry_group_max : DEFAULT_ENTRIES_PER_ENTRY_GROUP_MAX; - - if (dbus_connect() < 0) { - struct timeval tv; - - if (!force) - goto fail; - - avahi_log_warn("WARNING: Failed to contact D-Bus daemon, retrying in %ims.", RECONNECT_MSEC); - - avahi_elapse_time(&tv, RECONNECT_MSEC, 0); - server->reconnect_timeout = server->poll_api->timeout_new(server->poll_api, &tv, reconnect_callback, NULL); - } - - return 0; - -fail: - if (server->bus) { -#ifdef HAVE_DBUS_CONNECTION_CLOSE - dbus_connection_close(server->bus); -#else - dbus_connection_disconnect(server->bus); -#endif - - dbus_connection_unref(server->bus); - } - - avahi_free(server); - server = NULL; - return -1; -} - -void dbus_protocol_shutdown(void) { - - if (server) { - dbus_disconnect(); - - if (server->reconnect_timeout) - server->poll_api->timeout_free(server->reconnect_timeout); - - avahi_free(server); - server = NULL; - } -}