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bae713be2e
LibcurlWrapper is missing a curl_global_cleanup causing a memory leak. The curl_global_init is called automatically when calling curl_easy_init without first doing curl_global_init. BUG=chromium:1405410 TEST=units with asan Change-Id: I4982fd5265b0df91076ed428f1134a681a7f28c6 Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/4189295 Reviewed-by: Joshua Peraza <jperaza@chromium.org>
123 lines
4.8 KiB
C++
123 lines
4.8 KiB
C++
// Copyright 2009 Google LLC
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google LLC nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// A wrapper for libcurl to do HTTP Uploads, to support easy mocking
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// and unit testing of the HTTPUpload class.
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#ifndef COMMON_LINUX_LIBCURL_WRAPPER_H_
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#define COMMON_LINUX_LIBCURL_WRAPPER_H_
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#include <string>
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#include <map>
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#include "common/using_std_string.h"
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#include "third_party/curl/curl.h"
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namespace google_breakpad {
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// This class is only safe to be used on single-threaded code because of its
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// usage of libcurl's curl_global_cleanup().
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class LibcurlWrapper {
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public:
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LibcurlWrapper();
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virtual ~LibcurlWrapper();
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virtual bool Init();
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virtual bool SetProxy(const string& proxy_host,
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const string& proxy_userpwd);
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virtual bool AddFile(const string& upload_file_path,
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const string& basename);
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virtual bool SendRequest(const string& url,
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const std::map<string, string>& parameters,
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long* http_status_code,
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string* http_header_data,
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string* http_response_data);
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bool SendGetRequest(const string& url,
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long* http_status_code,
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string* http_header_data,
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string* http_response_data);
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bool SendPutRequest(const string& url,
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const string& path,
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long* http_status_code,
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string* http_header_data,
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string* http_response_data);
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bool SendSimplePostRequest(const string& url,
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const string& body,
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const string& content_type,
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long* http_status_code,
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string* http_header_data,
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string* http_response_data);
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private:
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// This function initializes class state corresponding to function
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// pointers into the CURL library.
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bool SetFunctionPointers();
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bool SendRequestInner(const string& url,
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long* http_status_code,
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string* http_header_data,
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string* http_response_data);
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void Reset();
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bool CheckInit();
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bool init_ok_; // Whether init succeeded
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void* curl_lib_; // Pointer to result of dlopen() on
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// curl library
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string last_curl_error_; // The text of the last error when
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// dealing
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// with CURL.
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CURL* curl_; // Pointer for handle for CURL calls.
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CURL* (*easy_init_)(void);
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// Stateful pointers for calling into curl_formadd()
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struct curl_httppost* formpost_;
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struct curl_httppost* lastptr_;
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struct curl_slist* headerlist_;
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// Function pointers into CURL library
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CURLcode (*easy_setopt_)(CURL*, CURLoption, ...);
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CURLFORMcode (*formadd_)(struct curl_httppost**,
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struct curl_httppost**, ...);
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struct curl_slist* (*slist_append_)(struct curl_slist*, const char*);
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void (*slist_free_all_)(struct curl_slist*);
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CURLcode (*easy_perform_)(CURL*);
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const char* (*easy_strerror_)(CURLcode);
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void (*easy_cleanup_)(CURL*);
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CURLcode (*easy_getinfo_)(CURL*, CURLINFO info, ...);
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void (*easy_reset_)(CURL*);
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void (*formfree_)(struct curl_httppost*);
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void (*global_cleanup_)(void);
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};
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}
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#endif // COMMON_LINUX_LIBCURL_WRAPPER_H_
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