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https://github.com/tomahawk-player/tomahawk.git
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* Added breakpad support for Linux.
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197
thirdparty/breakpad/common/linux/http_upload.cc
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197
thirdparty/breakpad/common/linux/http_upload.cc
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// Copyright (c) 2006, Google Inc.
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// All rights reserved.
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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 Inc. 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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#include "common/linux/http_upload.h"
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#include <assert.h>
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#include <dlfcn.h>
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#include "third_party/curl/curl.h"
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namespace {
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// Callback to get the response data from server.
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static size_t WriteCallback(void *ptr, size_t size,
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size_t nmemb, void *userp) {
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if (!userp)
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return 0;
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std::string *response = reinterpret_cast<std::string *>(userp);
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size_t real_size = size * nmemb;
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response->append(reinterpret_cast<char *>(ptr), real_size);
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return real_size;
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}
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} // namespace
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namespace google_breakpad {
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static const char kUserAgent[] = "Breakpad/1.0 (Linux)";
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// static
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bool HTTPUpload::SendRequest(const string &url,
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const map<string, string> ¶meters,
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const string &upload_file,
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const string &file_part_name,
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const string &proxy,
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const string &proxy_user_pwd,
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const string &ca_certificate_file,
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string *response_body,
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string *error_description) {
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if (!CheckParameters(parameters))
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return false;
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void *curl_lib = dlopen("libcurl.so", RTLD_NOW);
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if (!curl_lib) {
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if (error_description != NULL)
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*error_description = dlerror();
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curl_lib = dlopen("libcurl.so.4", RTLD_NOW);
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}
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if (!curl_lib) {
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// Debian gives libcurl a different name when it is built against GnuTLS
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// instead of OpenSSL.
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curl_lib = dlopen("libcurl-gnutls.so.4", RTLD_NOW);
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}
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if (!curl_lib) {
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curl_lib = dlopen("libcurl.so.3", RTLD_NOW);
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}
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if (!curl_lib) {
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return false;
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}
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CURL* (*curl_easy_init)(void);
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*(void**) (&curl_easy_init) = dlsym(curl_lib, "curl_easy_init");
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CURL *curl = (*curl_easy_init)();
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if (error_description != NULL)
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*error_description = "No Error";
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if (!curl) {
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dlclose(curl_lib);
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return false;
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}
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CURLcode err_code = CURLE_OK;
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CURLcode (*curl_easy_setopt)(CURL *, CURLoption, ...);
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*(void**) (&curl_easy_setopt) = dlsym(curl_lib, "curl_easy_setopt");
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(*curl_easy_setopt)(curl, CURLOPT_URL, url.c_str());
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(*curl_easy_setopt)(curl, CURLOPT_USERAGENT, kUserAgent);
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// Set proxy information if necessary.
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if (!proxy.empty())
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(*curl_easy_setopt)(curl, CURLOPT_PROXY, proxy.c_str());
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if (!proxy_user_pwd.empty())
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(*curl_easy_setopt)(curl, CURLOPT_PROXYUSERPWD, proxy_user_pwd.c_str());
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if (!ca_certificate_file.empty())
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(*curl_easy_setopt)(curl, CURLOPT_CAINFO, ca_certificate_file.c_str());
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struct curl_httppost *formpost = NULL;
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struct curl_httppost *lastptr = NULL;
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// Add form data.
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CURLFORMcode (*curl_formadd)(struct curl_httppost **, struct curl_httppost **, ...);
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*(void**) (&curl_formadd) = dlsym(curl_lib, "curl_formadd");
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map<string, string>::const_iterator iter = parameters.begin();
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for (; iter != parameters.end(); ++iter)
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(*curl_formadd)(&formpost, &lastptr,
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CURLFORM_COPYNAME, iter->first.c_str(),
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CURLFORM_COPYCONTENTS, iter->second.c_str(),
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CURLFORM_END);
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// Add form file.
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(*curl_formadd)(&formpost, &lastptr,
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CURLFORM_COPYNAME, file_part_name.c_str(),
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CURLFORM_FILE, upload_file.c_str(),
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CURLFORM_END);
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(*curl_easy_setopt)(curl, CURLOPT_HTTPPOST, formpost);
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// Disable 100-continue header.
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struct curl_slist *headerlist = NULL;
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char buf[] = "Expect:";
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struct curl_slist* (*curl_slist_append)(struct curl_slist *, const char *);
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*(void**) (&curl_slist_append) = dlsym(curl_lib, "curl_slist_append");
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headerlist = (*curl_slist_append)(headerlist, buf);
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(*curl_easy_setopt)(curl, CURLOPT_HTTPHEADER, headerlist);
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if (response_body != NULL) {
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(*curl_easy_setopt)(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
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(*curl_easy_setopt)(curl, CURLOPT_WRITEDATA,
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reinterpret_cast<void *>(response_body));
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}
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// Fail if 400+ is returned from the web server.
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(*curl_easy_setopt)(curl, CURLOPT_FAILONERROR, 1);
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CURLcode (*curl_easy_perform)(CURL *);
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*(void**) (&curl_easy_perform) = dlsym(curl_lib, "curl_easy_perform");
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err_code = (*curl_easy_perform)(curl);
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const char* (*curl_easy_strerror)(CURLcode);
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*(void**) (&curl_easy_strerror) = dlsym(curl_lib, "curl_easy_strerror");
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#ifndef NDEBUG
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if (err_code != CURLE_OK)
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fprintf(stderr, "Failed to send http request to %s, error: %s\n",
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url.c_str(),
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(*curl_easy_strerror)(err_code));
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#endif
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if (error_description != NULL)
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*error_description = (*curl_easy_strerror)(err_code);
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void (*curl_easy_cleanup)(CURL *);
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*(void**) (&curl_easy_cleanup) = dlsym(curl_lib, "curl_easy_cleanup");
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(*curl_easy_cleanup)(curl);
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if (formpost != NULL) {
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void (*curl_formfree)(struct curl_httppost *);
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*(void**) (&curl_formfree) = dlsym(curl_lib, "curl_formfree");
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(*curl_formfree)(formpost);
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}
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if (headerlist != NULL) {
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void (*curl_slist_free_all)(struct curl_slist *);
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*(void**) (&curl_slist_free_all) = dlsym(curl_lib, "curl_slist_free_all");
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(*curl_slist_free_all)(headerlist);
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}
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dlclose(curl_lib);
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return err_code == CURLE_OK;
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}
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// static
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bool HTTPUpload::CheckParameters(const map<string, string> ¶meters) {
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for (map<string, string>::const_iterator pos = parameters.begin();
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pos != parameters.end(); ++pos) {
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const string &str = pos->first;
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if (str.size() == 0)
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return false; // disallow empty parameter names
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for (unsigned int i = 0; i < str.size(); ++i) {
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int c = str[i];
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if (c < 32 || c == '"' || c > 127) {
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return false;
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}
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}
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}
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return true;
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}
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} // namespace google_breakpad
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