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      1 /* srp-features.h
      2  *
      3  * Copyright (c) 2020-2024 Apple Inc. All rights reserved.
      4  *
      5  * Licensed under the Apache License, Version 2.0 (the "License");
      6  * you may not use this file except in compliance with the License.
      7  * You may obtain a copy of the License at
      8  *
      9  *     https://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  * Unless required by applicable law or agreed to in writing, software
     12  * distributed under the License is distributed on an "AS IS" BASIS,
     13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  * See the License for the specific language governing permissions and
     15  * limitations under the License.
     16  *
     17  * This file contains compile time feature flag which enables or disables
     18  * different behavior of srp-mdns-proxy.
     19  */
     20 
     21 #ifndef __SRP_FEATURES_H__
     22 #define __SRP_FEATURES_H__
     23 
     24 // SRP_FEATURE_COMBINED_SRP_DNSSD_PROXY: controls whether to initialize dnssd-proxy in srp-mdns-proxy.
     25 #if defined(BUILD_SRP_MDNS_PROXY) && (BUILD_SRP_MDNS_PROXY == 1)
     26 
     27 // SRP_TEST_SERVER always builds a full (simulated) Thread border router
     28 #  if defined(SRP_TEST_SERVER)
     29 #    define SRP_TEST_SERVER_OVERRIDE 1
     30 #  else
     31 #    define SRP_TEST_SERVER_OVERRIDE 0
     32 #  endif
     33 
     34 // We can only have combined srp-dnssd-proxy if we are building srp-mdns-proxy
     35 #  define SRP_FEATURE_PUBLISH_SPECIFIC_ROUTES 0
     36 #  define SRP_FEATURE_DNSSD_PROXY_SHARED_CONNECTION 0
     37 #    define SRP_FEATURE_DYNAMIC_CONFIGURATION 1
     38 #else
     39 #  ifndef SRP_FEATURE_REPLICATION
     40 #    define SRP_FEATURE_REPLICATION 1
     41 #  endif
     42 #  ifndef THREAD_BORDER_ROUTER
     43 #    define THREAD_BORDER_ROUTER 1
     44 #  endif
     45 #  define STUB_ROUTER 1
     46 #  ifndef SRP_FEATURE_COMBINED_SRP_DNSSD_PROXY
     47 #    define SRP_FEATURE_COMBINED_SRP_DNSSD_PROXY 1
     48 #  endif
     49 #  ifndef SRP_FEATURE_DYNAMIC_CONFIGURATION
     50 #    define SRP_FEATURE_DYNAMIC_CONFIGURATION 0
     51 #endif
     52 #endif
     53 
     54 // SRP_FEATURE_CAN_GENERATE_TLS_CERT: controls whether to let srp-mdns-proxy generate the TLS certificate internally.
     55 #if defined(__APPLE__)
     56     // All the Apple platforms support security framework, so it can generate TLS certifcate internally.
     57     #define SRP_FEATURE_CAN_GENERATE_TLS_CERT 1
     58 #else
     59     #define SRP_FEATURE_CAN_GENERATE_TLS_CERT 0
     60 #endif
     61 
     62 #if !defined(SRP_FEATURE_NAT64)
     63     #define SRP_FEATURE_NAT64 0
     64 #endif
     65 
     66     #define SRP_ANALYTICS 0
     67 
     68 
     69 // At present we never want this, but we're keeping the code around.
     70 #define SRP_ALLOWS_MDNS_CONFLICTS 0
     71 
     72 #endif // __SRP_FEATURES_H__
     73