| /* |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); you may not use this file except in compliance |
| with the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| |
| #include "mmdb.h" |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // Initialize the plugin as a remap plugin. |
| // |
| TSReturnCode |
| TSRemapInit(TSRemapInterface *api_info, char *errbuf, int errbuf_size) |
| { |
| if (api_info->size < sizeof(TSRemapInterface)) { |
| strncpy(errbuf, "[tsremap_init] - Incorrect size of TSRemapInterface structure", errbuf_size - 1); |
| return TS_ERROR; |
| } |
| |
| if (api_info->tsremap_version < TSREMAP_VERSION) { |
| snprintf(errbuf, errbuf_size, "[tsremap_init] - Incorrect API version %ld.%ld", api_info->tsremap_version >> 16, |
| (api_info->tsremap_version & 0xffff)); |
| return TS_ERROR; |
| } |
| |
| TSDebug(PLUGIN_NAME, "remap plugin is successfully initialized"); |
| return TS_SUCCESS; |
| } |
| |
| TSReturnCode |
| TSRemapNewInstance(int argc, char *argv[], void **ih, char * /* errbuf */, int /* errbuf_size */) |
| { |
| if (argc < 3) { |
| TSError("[%s] Unable to create remap instance, missing configuration file", PLUGIN_NAME); |
| return TS_ERROR; |
| } |
| |
| Acl *a = new Acl(); |
| *ih = static_cast<void *>(a); |
| if (!a->init(argv[2])) { |
| TSError("[%s] Failed to initialize maxmind with %s", PLUGIN_NAME, argv[2]); |
| return TS_ERROR; |
| } |
| |
| TSDebug(PLUGIN_NAME, "created remap instance with configuration %s", argv[2]); |
| return TS_SUCCESS; |
| } |
| |
| void |
| TSRemapDeleteInstance(void *ih) |
| { |
| if (nullptr != ih) { |
| Acl *const a = static_cast<Acl *>(ih); |
| delete a; |
| } |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // Main entry point when used as a remap plugin. |
| // |
| TSRemapStatus |
| TSRemapDoRemap(void *ih, TSHttpTxn rh, TSRemapRequestInfo *rri) |
| { |
| if (nullptr == ih) { |
| TSDebug(PLUGIN_NAME, "No ACLs configured"); |
| } else { |
| Acl *a = static_cast<Acl *>(ih); |
| if (!a->eval(rri, rh)) { |
| TSDebug(PLUGIN_NAME, "denying request"); |
| TSHttpTxnStatusSet(rh, TS_HTTP_STATUS_FORBIDDEN); |
| a->send_html(rh); |
| } |
| } |
| return TSREMAP_NO_REMAP; |
| } |