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author | iddqd <iddqd@yandex-team.com> | 2024-12-19 10:46:06 +0300 |
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committer | iddqd <iddqd@yandex-team.com> | 2024-12-19 10:59:56 +0300 |
commit | bb0840c0025a75dd3b85b746ebcec7deb7d9fe1c (patch) | |
tree | 85bc5522e873d9d5c37df278f0300c26fe9e729e /contrib/libs/breakpad/src/common/linux/libcurl_wrapper.cc | |
parent | 1353077f79bb3547792b2fc86c22a695f0bc76f9 (diff) | |
download | ydb-bb0840c0025a75dd3b85b746ebcec7deb7d9fe1c.tar.gz |
Add contib/libs/breakpad to export
commit_hash:9d85255f8d9249f14105e4626bf4484805b8aed4
Diffstat (limited to 'contrib/libs/breakpad/src/common/linux/libcurl_wrapper.cc')
-rw-r--r-- | contrib/libs/breakpad/src/common/linux/libcurl_wrapper.cc | 338 |
1 files changed, 338 insertions, 0 deletions
diff --git a/contrib/libs/breakpad/src/common/linux/libcurl_wrapper.cc b/contrib/libs/breakpad/src/common/linux/libcurl_wrapper.cc new file mode 100644 index 0000000000..fdb200f8e3 --- /dev/null +++ b/contrib/libs/breakpad/src/common/linux/libcurl_wrapper.cc @@ -0,0 +1,338 @@ +// Copyright (c) 2009, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include <dlfcn.h> + +#include <iostream> +#include <string> + +#include "common/linux/libcurl_wrapper.h" +#include "common/using_std_string.h" + +namespace google_breakpad { +LibcurlWrapper::LibcurlWrapper() + : init_ok_(false), + curl_lib_(nullptr), + last_curl_error_(""), + curl_(nullptr), + formpost_(nullptr), + lastptr_(nullptr), + headerlist_(nullptr) {} + +LibcurlWrapper::~LibcurlWrapper() { + if (init_ok_) { + (*easy_cleanup_)(curl_); + dlclose(curl_lib_); + } +} + +bool LibcurlWrapper::SetProxy(const string& proxy_host, + const string& proxy_userpwd) { + if (!CheckInit()) return false; + + // Set proxy information if necessary. + if (!proxy_host.empty()) { + (*easy_setopt_)(curl_, CURLOPT_PROXY, proxy_host.c_str()); + } else { + std::cout << "SetProxy called with empty proxy host."; + return false; + } + if (!proxy_userpwd.empty()) { + (*easy_setopt_)(curl_, CURLOPT_PROXYUSERPWD, proxy_userpwd.c_str()); + } else { + std::cout << "SetProxy called with empty proxy username/password."; + return false; + } + std::cout << "Set proxy host to " << proxy_host; + return true; +} + +bool LibcurlWrapper::AddFile(const string& upload_file_path, + const string& basename) { + if (!CheckInit()) return false; + + std::cout << "Adding " << upload_file_path << " to form upload."; + // Add form file. + (*formadd_)(&formpost_, &lastptr_, + CURLFORM_COPYNAME, basename.c_str(), + CURLFORM_FILE, upload_file_path.c_str(), + CURLFORM_END); + + return true; +} + +// Callback to get the response data from server. +static size_t WriteCallback(void* ptr, size_t size, + size_t nmemb, void* userp) { + if (!userp) + return 0; + + string* response = reinterpret_cast<string*>(userp); + size_t real_size = size * nmemb; + response->append(reinterpret_cast<char*>(ptr), real_size); + return real_size; +} + +bool LibcurlWrapper::SendRequest(const string& url, + const std::map<string, string>& parameters, + long* http_status_code, + string* http_header_data, + string* http_response_data) { + if (!CheckInit()) return false; + + std::map<string, string>::const_iterator iter = parameters.begin(); + for (; iter != parameters.end(); ++iter) + (*formadd_)(&formpost_, &lastptr_, + CURLFORM_COPYNAME, iter->first.c_str(), + CURLFORM_COPYCONTENTS, iter->second.c_str(), + CURLFORM_END); + + (*easy_setopt_)(curl_, CURLOPT_HTTPPOST, formpost_); + + return SendRequestInner(url, http_status_code, http_header_data, + http_response_data); +} + +bool LibcurlWrapper::SendGetRequest(const string& url, + long* http_status_code, + string* http_header_data, + string* http_response_data) { + if (!CheckInit()) return false; + + (*easy_setopt_)(curl_, CURLOPT_HTTPGET, 1L); + + return SendRequestInner(url, http_status_code, http_header_data, + http_response_data); +} + +bool LibcurlWrapper::SendPutRequest(const string& url, + const string& path, + long* http_status_code, + string* http_header_data, + string* http_response_data) { + if (!CheckInit()) return false; + + FILE* file = fopen(path.c_str(), "rb"); + (*easy_setopt_)(curl_, CURLOPT_UPLOAD, 1L); + (*easy_setopt_)(curl_, CURLOPT_PUT, 1L); + (*easy_setopt_)(curl_, CURLOPT_READDATA, file); + + bool success = SendRequestInner(url, http_status_code, http_header_data, + http_response_data); + + fclose(file); + return success; +} + +bool LibcurlWrapper::SendSimplePostRequest(const string& url, + const string& body, + const string& content_type, + long* http_status_code, + string* http_header_data, + string* http_response_data) { + if (!CheckInit()) return false; + + (*easy_setopt_)(curl_, CURLOPT_POSTFIELDSIZE, body.size()); + (*easy_setopt_)(curl_, CURLOPT_COPYPOSTFIELDS, body.c_str()); + + if (!content_type.empty()) { + string content_type_header = "Content-Type: " + content_type; + headerlist_ = (*slist_append_)( + headerlist_, + content_type_header.c_str()); + } + + return SendRequestInner(url, http_status_code, http_header_data, + http_response_data); +} + +bool LibcurlWrapper::Init() { + // First check to see if libcurl was statically linked: + curl_lib_ = dlopen(nullptr, RTLD_NOW); + if (curl_lib_ && + (!dlsym(curl_lib_, "curl_easy_init") || + !dlsym(curl_lib_, "curl_easy_setopt"))) { + // Not statically linked, try again below. + dlerror(); // Clear dlerror before attempting to open libraries. + dlclose(curl_lib_); + curl_lib_ = nullptr; + } + if (!curl_lib_) { + curl_lib_ = dlopen("libcurl.so", RTLD_NOW); + } + if (!curl_lib_) { + curl_lib_ = dlopen("libcurl.so.4", RTLD_NOW); + } + if (!curl_lib_) { + curl_lib_ = dlopen("libcurl.so.3", RTLD_NOW); + } + if (!curl_lib_) { + std::cout << "Could not find libcurl via dlopen"; + return false; + } + + if (!SetFunctionPointers()) { + std::cout << "Could not find function pointers"; + return false; + } + + curl_ = (*easy_init_)(); + + last_curl_error_ = "No Error"; + + if (!curl_) { + dlclose(curl_lib_); + std::cout << "Curl initialization failed"; + return false; + } + + init_ok_ = true; + return true; +} + +#define SET_AND_CHECK_FUNCTION_POINTER(var, function_name, type) \ + var = reinterpret_cast<type>(dlsym(curl_lib_, function_name)); \ + if (!var) { \ + std::cout << "Could not find libcurl function " << function_name; \ + init_ok_ = false; \ + return false; \ + } + +bool LibcurlWrapper::SetFunctionPointers() { + + SET_AND_CHECK_FUNCTION_POINTER(easy_init_, + "curl_easy_init", + CURL*(*)()); + + SET_AND_CHECK_FUNCTION_POINTER(easy_setopt_, + "curl_easy_setopt", + CURLcode(*)(CURL*, CURLoption, ...)); + + SET_AND_CHECK_FUNCTION_POINTER(formadd_, "curl_formadd", + CURLFORMcode(*)(curl_httppost**, curl_httppost**, ...)); + + SET_AND_CHECK_FUNCTION_POINTER(slist_append_, "curl_slist_append", + curl_slist*(*)(curl_slist*, const char*)); + + SET_AND_CHECK_FUNCTION_POINTER(easy_perform_, + "curl_easy_perform", + CURLcode(*)(CURL*)); + + SET_AND_CHECK_FUNCTION_POINTER(easy_cleanup_, + "curl_easy_cleanup", + void(*)(CURL*)); + + SET_AND_CHECK_FUNCTION_POINTER(easy_getinfo_, + "curl_easy_getinfo", + CURLcode(*)(CURL*, CURLINFO info, ...)); + + SET_AND_CHECK_FUNCTION_POINTER(easy_reset_, + "curl_easy_reset", + void(*)(CURL*)); + + SET_AND_CHECK_FUNCTION_POINTER(slist_free_all_, + "curl_slist_free_all", + void(*)(curl_slist*)); + + SET_AND_CHECK_FUNCTION_POINTER(formfree_, + "curl_formfree", + void(*)(curl_httppost*)); + return true; +} + +bool LibcurlWrapper::SendRequestInner(const string& url, + long* http_status_code, + string* http_header_data, + string* http_response_data) { + string url_copy(url); + (*easy_setopt_)(curl_, CURLOPT_URL, url_copy.c_str()); + + // Disable 100-continue header. + char buf[] = "Expect:"; + headerlist_ = (*slist_append_)(headerlist_, buf); + (*easy_setopt_)(curl_, CURLOPT_HTTPHEADER, headerlist_); + + if (http_response_data != nullptr) { + http_response_data->clear(); + (*easy_setopt_)(curl_, CURLOPT_WRITEFUNCTION, WriteCallback); + (*easy_setopt_)(curl_, CURLOPT_WRITEDATA, + reinterpret_cast<void*>(http_response_data)); + } + if (http_header_data != nullptr) { + http_header_data->clear(); + (*easy_setopt_)(curl_, CURLOPT_HEADERFUNCTION, WriteCallback); + (*easy_setopt_)(curl_, CURLOPT_HEADERDATA, + reinterpret_cast<void*>(http_header_data)); + } + CURLcode err_code = CURLE_OK; + err_code = (*easy_perform_)(curl_); + easy_strerror_ = reinterpret_cast<const char* (*)(CURLcode)> + (dlsym(curl_lib_, "curl_easy_strerror")); + + if (http_status_code != nullptr) { + (*easy_getinfo_)(curl_, CURLINFO_RESPONSE_CODE, http_status_code); + } + +#ifndef NDEBUG + if (err_code != CURLE_OK) + fprintf(stderr, "Failed to send http request to %s, error: %s\n", + url.c_str(), + (*easy_strerror_)(err_code)); +#endif + + Reset(); + + return err_code == CURLE_OK; +} + +void LibcurlWrapper::Reset() { + if (headerlist_ != nullptr) { + (*slist_free_all_)(headerlist_); + headerlist_ = nullptr; + } + + if (formpost_ != nullptr) { + (*formfree_)(formpost_); + formpost_ = nullptr; + } + + (*easy_reset_)(curl_); +} + +bool LibcurlWrapper::CheckInit() { + if (!init_ok_) { + std::cout << "LibcurlWrapper: You must call Init(), and have it return " + "'true' before invoking any other methods.\n"; + return false; + } + + return true; +} + +} // namespace google_breakpad |