관리-도구

편집 파일: Utils.h

/* * Phusion Passenger - https://www.phusionpassenger.com/ * Copyright (c) 2010-2017 Phusion Holding B.V. * * "Passenger", "Phusion Passenger" and "Union Station" are registered * trademarks of Phusion Holding B.V. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #ifndef _PASSENGER_APACHE2_MODULE_UTILS_H_ #define _PASSENGER_APACHE2_MODULE_UTILS_H_ #include <string> #include <boost/function.hpp> #include <StaticString.h> // The APR headers must come after the Passenger headers. // See Hooks.cpp to learn why. #include <httpd.h> #include <http_config.h> #include <apr_pools.h> #include <apr_strings.h> // In Apache < 2.4, this macro was necessary for core_dir_config and other structs #define CORE_PRIVATE #include <http_core.h> extern "C" module AP_MODULE_DECLARE_DATA passenger_module; #ifndef ap_get_core_module_config #define ap_get_core_module_config(s) ap_get_module_config(s, &core_module) #endif namespace Passenger { namespace Apache2Module { using namespace std; enum DirConfigContext { DCC_GLOBAL, DCC_VHOST, DCC_DIRECTORY, DCC_LOCATION }; typedef boost::function<void ( server_rec *serverRec, core_server_config *csconfig, core_dir_config *cdconfig, DirConfig *pdconfig, DirConfigContext context )> DirConfigTraverser; inline void addHeader(string &headers, const StaticString &name, const char *value) { if (value != NULL) { headers.append(name.data(), name.size()); headers.append(": ", 2); headers.append(value); headers.append("\r\n", 2); } } inline void addHeader(string &headers, const StaticString &name, const StaticString &value) { if (!value.empty()) { headers.append(name.data(), name.size()); headers.append(": ", 2); headers.append(value.data(), value.size()); headers.append("\r\n", 2); } } inline void addHeader(request_rec *r, string &headers, const StaticString &name, int value) { if (value != UNSET_INT_VALUE) { headers.append(name.data(), name.size()); headers.append(": ", 2); headers.append(apr_psprintf(r->pool, "%d", value)); headers.append("\r\n", 2); } } inline void addHeader(string &headers, const StaticString &name, Apache2Module::Threeway value) { if (value != Apache2Module::UNSET) { headers.append(name.data(), name.size()); headers.append(": ", 2); if (value == Apache2Module::ENABLED) { headers.append("t", 1); } else { headers.append("f", 1); } headers.append("\r\n", 2); } } template<typename Collection, typename String> inline Json::Value strCollectionToJson(const Collection &collection) { Json::Value result(Json::arrayValue); typename Collection::const_iterator it, end = collection.end(); for (it = collection.begin(); it != end; it++) { const String &val = *it; result.append(Json::Value(val.data(), val.data() + val.size())); } return result; } inline void traverseAllDirConfigs(server_rec *serverRec, apr_pool_t *temp_pool, const DirConfigTraverser &traverser) { /* * The server_rec linked list provided by Apache begins with the global context, * but after that it contains the VirtualHost context in reverse order of how * they are parsed. We turn the list back into the original order. */ vector<server_rec *> sortedServerRecs; while (serverRec != NULL) { sortedServerRecs.push_back(serverRec); serverRec = serverRec->next; } std::reverse(sortedServerRecs.begin() + 1, sortedServerRecs.end()); /* * Lookup the module struct for the Apache core module * so that we can access its directory config merging * function. */ module *coreModule = ap_find_linked_module("core.c"); vector<server_rec *>::iterator it, end = sortedServerRecs.end(); for (it = sortedServerRecs.begin(); it != end; it++) { server_rec *currentServerRec = *it; core_server_config *csconf; core_dir_config *cdconf, *subCdconf; DirConfig *pdconf, *subPdconf; int nelts; int i; ap_conf_vector_t **elts; csconf = (core_server_config *) ap_get_core_module_config( currentServerRec->module_config); cdconf = (core_dir_config *) ap_get_core_module_config( currentServerRec->lookup_defaults); pdconf = (DirConfig *) ap_get_module_config( currentServerRec->lookup_defaults, &passenger_module); traverser(currentServerRec, csconf, cdconf, pdconf, currentServerRec->is_virtual ? DCC_VHOST : DCC_GLOBAL); /* * Apache does not merge <Directory> and <Location> configs with * global or <VirtualHost> during config load time, but instead merges * during the first request, as per the rules documented at * https://httpd.apache.org/docs/2.4/sections.html#merging * So in the following two loops we perform our own merging. * This merging does not perfectly mimic Apache's real merging * behavior because the real behavior depends on the request, but * c'est la vie, users will just have to put up with this. */ nelts = csconf->sec_dir->nelts; elts = (ap_conf_vector_t **) csconf->sec_dir->elts; for (i = 0; i < nelts; ++i) { subCdconf = (core_dir_config *) ap_get_core_module_config(elts[i]); subPdconf = (DirConfig *) ap_get_module_config(elts[i], &passenger_module); if (subCdconf != NULL && subPdconf != NULL) { if (coreModule != NULL) { subCdconf = (core_dir_config *) coreModule->merge_dir_config( temp_pool, cdconf, subCdconf); } subPdconf = (DirConfig *) mergeDirConfig(temp_pool, pdconf, subPdconf); traverser(currentServerRec, csconf, subCdconf, subPdconf, DCC_DIRECTORY); } } nelts = csconf->sec_url->nelts; elts = (ap_conf_vector_t **) csconf->sec_url->elts; for (i = 0; i < nelts; ++i) { subCdconf = (core_dir_config *) ap_get_core_module_config(elts[i]); subPdconf = (DirConfig *) ap_get_module_config(elts[i], &passenger_module); if (subCdconf != NULL && subPdconf != NULL) { if (coreModule != NULL) { subCdconf = (core_dir_config *) coreModule->merge_dir_config( temp_pool, cdconf, subCdconf); } subPdconf = (DirConfig *) mergeDirConfig(temp_pool, pdconf, subPdconf); traverser(currentServerRec, csconf, subCdconf, subPdconf, DCC_LOCATION); } } } } } // namespace Apache2Module } // namespace Passenger #endif /* _PASSENGER_APACHE2_MODULE_UTILS_H_ */