mDNSMacOSX/xpc_services/xpc_services.c

   1 /*
   2  * Copyright (c) 2019 Apple Inc. All rights reserved.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include "xpc_services.h"
  18 #include <xpc/private.h>                // xpc_connection_copy_entitlement_value
  19
  20 #include "mDNSMacOSX.h"                 // KQueueLock/KQueueUnlock
  21 #include "dnsproxy.h"                   // DNSProxyInit/ProxyUDPCallback/ProxyTCPCallback
  22 #include "xpc_service_dns_proxy.h"      // init_dnsproxy_service
  23 #include "xpc_service_log_utility.h"    // init_dnsctl_service
  24
  25 extern mDNS mDNSStorage;
  26
  27 mDNSexport void xpc_server_init()
  28 {
  29     // add XPC Services here
  30     init_dnsproxy_service();
  31     init_log_utility_service();
  32 }
  33
  34 // Utilities
  35
  36 mDNSexport mDNSBool IsEntitled(xpc_connection_t conn, const char *entitlement_name)
  37 {
  38     mDNSBool        entitled = mDNSfalse;
  39     xpc_object_t    entitled_obj = xpc_connection_copy_entitlement_value(conn, entitlement_name);
  40
  41     if (entitled_obj) {
  42         if (xpc_get_type(entitled_obj) == XPC_TYPE_BOOL && xpc_bool_get_value(entitled_obj)) {
  43             entitled = mDNStrue;
  44         }
  45         xpc_release(entitled_obj);
  46     } else {
  47         LogRedact(MDNS_LOG_CATEGORY_DEFAULT, MDNS_LOG_DEFAULT, "IsEntitled: Client Entitlement is NULL");
  48     }
  49
  50     if (!entitled) {
  51         LogRedact(MDNS_LOG_CATEGORY_DEFAULT, MDNS_LOG_DEFAULT, "IsEntitled: Client is missing Entitlement!");
  52     }
  53
  54     return entitled;
  55 }