diff options
Diffstat (limited to 'externals/breakpad/src/common/linux/libcurl_wrapper.cc')
| -rw-r--r-- | externals/breakpad/src/common/linux/libcurl_wrapper.cc | 344 |
1 files changed, 0 insertions, 344 deletions
diff --git a/externals/breakpad/src/common/linux/libcurl_wrapper.cc b/externals/breakpad/src/common/linux/libcurl_wrapper.cc deleted file mode 100644 index 2b6390981e..0000000000 --- a/externals/breakpad/src/common/linux/libcurl_wrapper.cc +++ /dev/null @@ -1,344 +0,0 @@ -// Copyright 2009 Google LLC -// -// 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 LLC 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. - -#ifdef HAVE_CONFIG_H -#include <config.h> // Must come first -#endif - -#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_); - (*global_cleanup_)(); - 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*)); - - SET_AND_CHECK_FUNCTION_POINTER(global_cleanup_, - "curl_global_cleanup", - void(*)(void)); - 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); - } - - if (err_code != CURLE_OK) - fprintf(stderr, "Failed to send http request to %s, error: %s\n", - url.c_str(), - (*easy_strerror_)(err_code)); - - 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 |