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; }
int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char *argv[]) { char t[AVAHI_DOMAIN_NAME_MAX], *m; const char *a, *b, *c, *d; AvahiDnsPacket *p; AvahiRecord *r, *r2; uint8_t rdata[AVAHI_DNS_RDATA_MAX]; size_t l; p = avahi_dns_packet_new(0); assert(avahi_dns_packet_append_name(p, a = "Ahello.hello.hello.de.")); assert(avahi_dns_packet_append_name(p, b = "Bthis is a test.hello.de.")); assert(avahi_dns_packet_append_name(p, c = "Cthis\\.is\\.a\\.test\\.with\\.dots.hello.de.")); assert(avahi_dns_packet_append_name(p, d = "Dthis\\\\is another test.hello.de.")); avahi_hexdump(AVAHI_DNS_PACKET_DATA(p), p->size); assert(avahi_dns_packet_consume_name(p, t, sizeof(t)) == 0); avahi_log_debug(">%s<", t); assert(avahi_domain_equal(a, t)); assert(avahi_dns_packet_consume_name(p, t, sizeof(t)) == 0); avahi_log_debug(">%s<", t); assert(avahi_domain_equal(b, t)); assert(avahi_dns_packet_consume_name(p, t, sizeof(t)) == 0); avahi_log_debug(">%s<", t); assert(avahi_domain_equal(c, t)); assert(avahi_dns_packet_consume_name(p, t, sizeof(t)) == 0); avahi_log_debug(">%s<", t); assert(avahi_domain_equal(d, t)); avahi_dns_packet_free(p); /* RDATA PARSING AND SERIALIZATION */ /* Create an AvahiRecord with some usful data */ r = avahi_record_new_full("foobar.local", AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_HINFO, AVAHI_DEFAULT_TTL); assert(r); r->data.hinfo.cpu = avahi_strdup("FOO"); r->data.hinfo.os = avahi_strdup("BAR"); /* Serialize it into a blob */ assert((l = avahi_rdata_serialize(r, rdata, sizeof(rdata))) != (size_t) -1); /* Print it */ avahi_hexdump(rdata, l); /* Create a new record and fill in the data from the blob */ r2 = avahi_record_new(r->key, AVAHI_DEFAULT_TTL); assert(r2); assert(avahi_rdata_parse(r2, rdata, l) >= 0); /* Compare both versions */ assert(avahi_record_equal_no_ttl(r, r2)); /* Free the records */ avahi_record_unref(r); avahi_record_unref(r2); r = avahi_record_new_full("foobar", 77, 77, AVAHI_DEFAULT_TTL); assert(r); assert(r->data.generic.data = avahi_memdup("HALLO", r->data.generic.size = 5)); m = avahi_record_to_string(r); assert(m); avahi_log_debug(">%s<", m); avahi_free(m); avahi_record_unref(r); return 0; }