| /*** |
| 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 <string.h> |
| |
| #include <avahi-common/malloc.h> |
| #include <avahi-common/dbus.h> |
| #include <avahi-common/error.h> |
| #include <avahi-common/domain.h> |
| #include <avahi-core/log.h> |
| |
| #include "dbus-util.h" |
| #include "dbus-internal.h" |
| #include "main.h" |
| |
| void avahi_dbus_entry_group_free(EntryGroupInfo *i) { |
| assert(i); |
| |
| if (i->entry_group) |
| avahi_s_entry_group_free(i->entry_group); |
| |
| if (i->path) { |
| dbus_connection_unregister_object_path(server->bus, i->path); |
| avahi_free(i->path); |
| } |
| AVAHI_LLIST_REMOVE(EntryGroupInfo, entry_groups, i->client->entry_groups, i); |
| |
| assert(i->client->n_objects >= 1); |
| i->client->n_objects--; |
| |
| avahi_free(i); |
| } |
| |
| void avahi_dbus_entry_group_callback(AvahiServer *s, AvahiSEntryGroup *g, AvahiEntryGroupState state, void* userdata) { |
| EntryGroupInfo *i = userdata; |
| DBusMessage *m; |
| int32_t t; |
| const char *e; |
| |
| assert(s); |
| assert(g); |
| assert(i); |
| |
| m = dbus_message_new_signal(i->path, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "StateChanged"); |
| |
| if (!m) { |
| avahi_log_error("Failed allocate message"); |
| return; |
| } |
| |
| t = (int32_t) state; |
| if (state == AVAHI_ENTRY_GROUP_FAILURE) |
| e = avahi_error_number_to_dbus(avahi_server_errno(s)); |
| else if (state == AVAHI_ENTRY_GROUP_COLLISION) |
| e = AVAHI_DBUS_ERR_COLLISION; |
| else |
| e = AVAHI_DBUS_ERR_OK; |
| |
| dbus_message_append_args( |
| m, |
| DBUS_TYPE_INT32, &t, |
| DBUS_TYPE_STRING, &e, |
| DBUS_TYPE_INVALID); |
| dbus_message_set_destination(m, i->client->name); |
| dbus_connection_send(server->bus, m, NULL); |
| dbus_message_unref(m); |
| } |
| |
| DBusHandlerResult avahi_dbus_msg_entry_group_impl(DBusConnection *c, DBusMessage *m, void *userdata) { |
| DBusError error; |
| EntryGroupInfo *i = userdata; |
| |
| assert(c); |
| assert(m); |
| assert(i); |
| |
| 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)); |
| |
| /* Introspection */ |
| if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect")) |
| return avahi_dbus_handle_introspect(c, m, "org.freedesktop.Avahi.EntryGroup.xml"); |
| |
| /* Access control */ |
| if (strcmp(dbus_message_get_sender(m), i->client->name)) |
| return avahi_dbus_respond_error(c, m, AVAHI_ERR_ACCESS_DENIED, NULL); |
| |
| if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "Free")) { |
| |
| if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) { |
| avahi_log_warn("Error parsing EntryGroup::Free message"); |
| goto fail; |
| } |
| |
| avahi_dbus_entry_group_free(i); |
| return avahi_dbus_respond_ok(c, m); |
| |
| } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "Commit")) { |
| |
| if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) { |
| avahi_log_warn("Error parsing EntryGroup::Commit message"); |
| goto fail; |
| } |
| |
| if (avahi_s_entry_group_commit(i->entry_group) < 0) |
| return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); |
| |
| return avahi_dbus_respond_ok(c, m); |
| |
| |
| } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "Reset")) { |
| |
| if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) { |
| avahi_log_warn("Error parsing EntryGroup::Reset message"); |
| goto fail; |
| } |
| |
| avahi_s_entry_group_reset(i->entry_group); |
| i->n_entries = 0; |
| return avahi_dbus_respond_ok(c, m); |
| |
| } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "IsEmpty")) { |
| |
| if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) { |
| avahi_log_warn("Error parsing EntryGroup::IsEmpty message"); |
| goto fail; |
| } |
| |
| return avahi_dbus_respond_boolean(c, m, !!avahi_s_entry_group_is_empty(i->entry_group)); |
| |
| } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "GetState")) { |
| AvahiEntryGroupState state; |
| |
| if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) { |
| avahi_log_warn("Error parsing EntryGroup::GetState message"); |
| goto fail; |
| } |
| |
| state = avahi_s_entry_group_get_state(i->entry_group); |
| return avahi_dbus_respond_int32(c, m, (int32_t) state); |
| |
| } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddService")) { |
| int32_t interface, protocol; |
| uint32_t flags; |
| char *type, *name, *domain, *host; |
| uint16_t port; |
| AvahiStringList *strlst = NULL; |
| |
| if (!dbus_message_get_args( |
| m, &error, |
| DBUS_TYPE_INT32, &interface, |
| DBUS_TYPE_INT32, &protocol, |
| DBUS_TYPE_UINT32, &flags, |
| DBUS_TYPE_STRING, &name, |
| DBUS_TYPE_STRING, &type, |
| DBUS_TYPE_STRING, &domain, |
| DBUS_TYPE_STRING, &host, |
| DBUS_TYPE_UINT16, &port, |
| DBUS_TYPE_INVALID) || |
| !type || !name || |
| avahi_dbus_read_strlst(m, 8, &strlst) < 0) { |
| avahi_log_warn("Error parsing EntryGroup::AddService message"); |
| goto fail; |
| } |
| |
| if (!(flags & AVAHI_PUBLISH_UPDATE) && i->n_entries >= server->n_entries_per_entry_group_max) { |
| avahi_string_list_free(strlst); |
| return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_ENTRIES, NULL); |
| } |
| |
| if (domain && !*domain) |
| domain = NULL; |
| |
| if (host && !*host) |
| host = NULL; |
| |
| if (avahi_server_add_service_strlst(avahi_server, i->entry_group, (AvahiIfIndex) interface, (AvahiProtocol) protocol, (AvahiPublishFlags) flags, name, type, domain, host, port, strlst) < 0) { |
| avahi_string_list_free(strlst); |
| return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); |
| } |
| |
| if (!(flags & AVAHI_PUBLISH_UPDATE)) |
| i->n_entries ++; |
| |
| avahi_string_list_free(strlst); |
| |
| return avahi_dbus_respond_ok(c, m); |
| |
| } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddServiceSubtype")) { |
| |
| int32_t interface, protocol; |
| uint32_t flags; |
| char *type, *name, *domain, *subtype; |
| |
| if (!dbus_message_get_args( |
| m, &error, |
| DBUS_TYPE_INT32, &interface, |
| DBUS_TYPE_INT32, &protocol, |
| DBUS_TYPE_UINT32, &flags, |
| DBUS_TYPE_STRING, &name, |
| DBUS_TYPE_STRING, &type, |
| DBUS_TYPE_STRING, &domain, |
| DBUS_TYPE_STRING, &subtype, |
| DBUS_TYPE_INVALID) || !type || !name || !subtype) { |
| avahi_log_warn("Error parsing EntryGroup::AddServiceSubtype message"); |
| goto fail; |
| } |
| |
| if (!(flags & AVAHI_PUBLISH_UPDATE) && i->n_entries >= server->n_entries_per_entry_group_max) |
| return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_ENTRIES, NULL); |
| |
| if (domain && !*domain) |
| domain = NULL; |
| |
| if (avahi_server_add_service_subtype(avahi_server, i->entry_group, (AvahiIfIndex) interface, (AvahiProtocol) protocol, (AvahiPublishFlags) flags, name, type, domain, subtype) < 0) |
| return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); |
| |
| if (!(flags & AVAHI_PUBLISH_UPDATE)) |
| i->n_entries ++; |
| |
| return avahi_dbus_respond_ok(c, m); |
| |
| } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "UpdateServiceTxt")) { |
| int32_t interface, protocol; |
| uint32_t flags; |
| char *type, *name, *domain; |
| AvahiStringList *strlst; |
| |
| if (!dbus_message_get_args( |
| m, &error, |
| DBUS_TYPE_INT32, &interface, |
| DBUS_TYPE_INT32, &protocol, |
| DBUS_TYPE_UINT32, &flags, |
| DBUS_TYPE_STRING, &name, |
| DBUS_TYPE_STRING, &type, |
| DBUS_TYPE_STRING, &domain, |
| DBUS_TYPE_INVALID) || |
| !type || !name || |
| avahi_dbus_read_strlst(m, 6, &strlst)) { |
| avahi_log_warn("Error parsing EntryGroup::UpdateServiceTxt message"); |
| goto fail; |
| } |
| |
| if (domain && !*domain) |
| domain = NULL; |
| |
| if (avahi_server_update_service_txt_strlst(avahi_server, i->entry_group, (AvahiIfIndex) interface, (AvahiProtocol) protocol, (AvahiPublishFlags) flags, name, type, domain, strlst) < 0) { |
| avahi_string_list_free(strlst); |
| return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); |
| } |
| |
| avahi_string_list_free(strlst); |
| |
| return avahi_dbus_respond_ok(c, m); |
| |
| } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddAddress")) { |
| int32_t interface, protocol; |
| uint32_t flags; |
| char *name, *address; |
| AvahiAddress a; |
| |
| if (!dbus_message_get_args( |
| m, &error, |
| DBUS_TYPE_INT32, &interface, |
| DBUS_TYPE_INT32, &protocol, |
| DBUS_TYPE_UINT32, &flags, |
| DBUS_TYPE_STRING, &name, |
| DBUS_TYPE_STRING, &address, |
| DBUS_TYPE_INVALID) || !name || !address) { |
| avahi_log_warn("Error parsing EntryGroup::AddAddress message"); |
| goto fail; |
| } |
| |
| if (!(flags & AVAHI_PUBLISH_UPDATE) && i->n_entries >= server->n_entries_per_entry_group_max) |
| return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_ENTRIES, NULL); |
| |
| if (!(avahi_address_parse(address, AVAHI_PROTO_UNSPEC, &a))) |
| return avahi_dbus_respond_error(c, m, AVAHI_ERR_INVALID_ADDRESS, NULL); |
| |
| if (avahi_server_add_address(avahi_server, i->entry_group, (AvahiIfIndex) interface, (AvahiProtocol) protocol, (AvahiPublishFlags) flags, name, &a) < 0) |
| return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); |
| |
| if (!(flags & AVAHI_PUBLISH_UPDATE)) |
| i->n_entries ++; |
| |
| return avahi_dbus_respond_ok(c, m); |
| } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddRecord")) { |
| int32_t interface, protocol; |
| uint32_t flags, ttl, size; |
| uint16_t clazz, type; |
| char *name; |
| void *rdata; |
| AvahiRecord *r; |
| |
| if (!dbus_message_get_args( |
| m, &error, |
| DBUS_TYPE_INT32, &interface, |
| DBUS_TYPE_INT32, &protocol, |
| DBUS_TYPE_UINT32, &flags, |
| DBUS_TYPE_STRING, &name, |
| DBUS_TYPE_UINT16, &clazz, |
| DBUS_TYPE_UINT16, &type, |
| DBUS_TYPE_UINT32, &ttl, |
| DBUS_TYPE_INVALID) || !name || |
| avahi_dbus_read_rdata (m, 7, &rdata, &size)) { |
| avahi_log_warn("Error parsing EntryGroup::AddRecord message"); |
| goto fail; |
| } |
| |
| if (!(flags & AVAHI_PUBLISH_UPDATE) && i->n_entries >= server->n_entries_per_entry_group_max) |
| return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_ENTRIES, NULL); |
| |
| if (!avahi_is_valid_domain_name (name)) |
| return avahi_dbus_respond_error(c, m, AVAHI_ERR_INVALID_DOMAIN_NAME, NULL); |
| |
| if (!(r = avahi_record_new_full (name, clazz, type, ttl))) |
| return avahi_dbus_respond_error(c, m, AVAHI_ERR_NO_MEMORY, NULL); |
| |
| if (avahi_rdata_parse (r, rdata, size) < 0) { |
| avahi_record_unref (r); |
| return avahi_dbus_respond_error(c, m, AVAHI_ERR_INVALID_RDATA, NULL); |
| } |
| |
| if (avahi_server_add(avahi_server, i->entry_group, (AvahiIfIndex) interface, (AvahiProtocol) protocol, (AvahiPublishFlags) flags, r) < 0) { |
| avahi_record_unref (r); |
| return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); |
| } |
| |
| if (!(flags & AVAHI_PUBLISH_UPDATE)) |
| i->n_entries ++; |
| |
| avahi_record_unref (r); |
| |
| return avahi_dbus_respond_ok(c, m); |
| } |
| |
| |
| 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; |
| } |
