1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/crashreporter/google-breakpad/src/common/linux/http_upload.cc Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,206 @@
1.4 +// Copyright (c) 2006, Google Inc.
1.5 +// All rights reserved.
1.6 +//
1.7 +// Redistribution and use in source and binary forms, with or without
1.8 +// modification, are permitted provided that the following conditions are
1.9 +// met:
1.10 +//
1.11 +// * Redistributions of source code must retain the above copyright
1.12 +// notice, this list of conditions and the following disclaimer.
1.13 +// * Redistributions in binary form must reproduce the above
1.14 +// copyright notice, this list of conditions and the following disclaimer
1.15 +// in the documentation and/or other materials provided with the
1.16 +// distribution.
1.17 +// * Neither the name of Google Inc. nor the names of its
1.18 +// contributors may be used to endorse or promote products derived from
1.19 +// this software without specific prior written permission.
1.20 +//
1.21 +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.22 +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.23 +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1.24 +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
1.25 +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
1.26 +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
1.27 +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
1.28 +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
1.29 +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
1.30 +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
1.31 +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.32 +
1.33 +#include "common/linux/http_upload.h"
1.34 +
1.35 +#include <assert.h>
1.36 +#include <dlfcn.h>
1.37 +#include "third_party/curl/curl.h"
1.38 +
1.39 +namespace {
1.40 +
1.41 +// Callback to get the response data from server.
1.42 +static size_t WriteCallback(void *ptr, size_t size,
1.43 + size_t nmemb, void *userp) {
1.44 + if (!userp)
1.45 + return 0;
1.46 +
1.47 + string *response = reinterpret_cast<string *>(userp);
1.48 + size_t real_size = size * nmemb;
1.49 + response->append(reinterpret_cast<char *>(ptr), real_size);
1.50 + return real_size;
1.51 +}
1.52 +
1.53 +} // namespace
1.54 +
1.55 +namespace google_breakpad {
1.56 +
1.57 +static const char kUserAgent[] = "Breakpad/1.0 (Linux)";
1.58 +
1.59 +// static
1.60 +bool HTTPUpload::SendRequest(const string &url,
1.61 + const map<string, string> ¶meters,
1.62 + const string &upload_file,
1.63 + const string &file_part_name,
1.64 + const string &proxy,
1.65 + const string &proxy_user_pwd,
1.66 + const string &ca_certificate_file,
1.67 + string *response_body,
1.68 + long *response_code,
1.69 + string *error_description) {
1.70 + if (response_code != NULL)
1.71 + *response_code = 0;
1.72 +
1.73 + if (!CheckParameters(parameters))
1.74 + return false;
1.75 +
1.76 + void *curl_lib = dlopen("libcurl.so", RTLD_NOW);
1.77 + if (!curl_lib) {
1.78 + if (error_description != NULL)
1.79 + *error_description = dlerror();
1.80 + curl_lib = dlopen("libcurl.so.4", RTLD_NOW);
1.81 + }
1.82 + if (!curl_lib) {
1.83 + // Debian gives libcurl a different name when it is built against GnuTLS
1.84 + // instead of OpenSSL.
1.85 + curl_lib = dlopen("libcurl-gnutls.so.4", RTLD_NOW);
1.86 + }
1.87 + if (!curl_lib) {
1.88 + curl_lib = dlopen("libcurl.so.3", RTLD_NOW);
1.89 + }
1.90 + if (!curl_lib) {
1.91 + return false;
1.92 + }
1.93 +
1.94 + CURL* (*curl_easy_init)(void);
1.95 + *(void**) (&curl_easy_init) = dlsym(curl_lib, "curl_easy_init");
1.96 + CURL *curl = (*curl_easy_init)();
1.97 + if (error_description != NULL)
1.98 + *error_description = "No Error";
1.99 +
1.100 + if (!curl) {
1.101 + dlclose(curl_lib);
1.102 + return false;
1.103 + }
1.104 +
1.105 + CURLcode err_code = CURLE_OK;
1.106 + CURLcode (*curl_easy_setopt)(CURL *, CURLoption, ...);
1.107 + *(void**) (&curl_easy_setopt) = dlsym(curl_lib, "curl_easy_setopt");
1.108 + (*curl_easy_setopt)(curl, CURLOPT_URL, url.c_str());
1.109 + (*curl_easy_setopt)(curl, CURLOPT_USERAGENT, kUserAgent);
1.110 + // Set proxy information if necessary.
1.111 + if (!proxy.empty())
1.112 + (*curl_easy_setopt)(curl, CURLOPT_PROXY, proxy.c_str());
1.113 + if (!proxy_user_pwd.empty())
1.114 + (*curl_easy_setopt)(curl, CURLOPT_PROXYUSERPWD, proxy_user_pwd.c_str());
1.115 +
1.116 + if (!ca_certificate_file.empty())
1.117 + (*curl_easy_setopt)(curl, CURLOPT_CAINFO, ca_certificate_file.c_str());
1.118 +
1.119 + struct curl_httppost *formpost = NULL;
1.120 + struct curl_httppost *lastptr = NULL;
1.121 + // Add form data.
1.122 + CURLFORMcode (*curl_formadd)(struct curl_httppost **, struct curl_httppost **, ...);
1.123 + *(void**) (&curl_formadd) = dlsym(curl_lib, "curl_formadd");
1.124 + map<string, string>::const_iterator iter = parameters.begin();
1.125 + for (; iter != parameters.end(); ++iter)
1.126 + (*curl_formadd)(&formpost, &lastptr,
1.127 + CURLFORM_COPYNAME, iter->first.c_str(),
1.128 + CURLFORM_COPYCONTENTS, iter->second.c_str(),
1.129 + CURLFORM_END);
1.130 +
1.131 + // Add form file.
1.132 + (*curl_formadd)(&formpost, &lastptr,
1.133 + CURLFORM_COPYNAME, file_part_name.c_str(),
1.134 + CURLFORM_FILE, upload_file.c_str(),
1.135 + CURLFORM_END);
1.136 +
1.137 + (*curl_easy_setopt)(curl, CURLOPT_HTTPPOST, formpost);
1.138 +
1.139 + // Disable 100-continue header.
1.140 + struct curl_slist *headerlist = NULL;
1.141 + char buf[] = "Expect:";
1.142 + struct curl_slist* (*curl_slist_append)(struct curl_slist *, const char *);
1.143 + *(void**) (&curl_slist_append) = dlsym(curl_lib, "curl_slist_append");
1.144 + headerlist = (*curl_slist_append)(headerlist, buf);
1.145 + (*curl_easy_setopt)(curl, CURLOPT_HTTPHEADER, headerlist);
1.146 +
1.147 + if (response_body != NULL) {
1.148 + (*curl_easy_setopt)(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
1.149 + (*curl_easy_setopt)(curl, CURLOPT_WRITEDATA,
1.150 + reinterpret_cast<void *>(response_body));
1.151 + }
1.152 +
1.153 + // Fail if 400+ is returned from the web server.
1.154 + (*curl_easy_setopt)(curl, CURLOPT_FAILONERROR, 1);
1.155 +
1.156 + CURLcode (*curl_easy_perform)(CURL *);
1.157 + *(void**) (&curl_easy_perform) = dlsym(curl_lib, "curl_easy_perform");
1.158 + err_code = (*curl_easy_perform)(curl);
1.159 + if (response_code != NULL) {
1.160 + CURLcode (*curl_easy_getinfo)(CURL *, CURLINFO, ...);
1.161 + *(void**) (&curl_easy_getinfo) = dlsym(curl_lib, "curl_easy_getinfo");
1.162 + (*curl_easy_getinfo)(curl, CURLINFO_RESPONSE_CODE, response_code);
1.163 + }
1.164 + const char* (*curl_easy_strerror)(CURLcode);
1.165 + *(void**) (&curl_easy_strerror) = dlsym(curl_lib, "curl_easy_strerror");
1.166 +#ifndef NDEBUG
1.167 + if (err_code != CURLE_OK)
1.168 + fprintf(stderr, "Failed to send http request to %s, error: %s\n",
1.169 + url.c_str(),
1.170 + (*curl_easy_strerror)(err_code));
1.171 +#endif
1.172 + if (error_description != NULL)
1.173 + *error_description = (*curl_easy_strerror)(err_code);
1.174 +
1.175 + void (*curl_easy_cleanup)(CURL *);
1.176 + *(void**) (&curl_easy_cleanup) = dlsym(curl_lib, "curl_easy_cleanup");
1.177 + (*curl_easy_cleanup)(curl);
1.178 + if (formpost != NULL) {
1.179 + void (*curl_formfree)(struct curl_httppost *);
1.180 + *(void**) (&curl_formfree) = dlsym(curl_lib, "curl_formfree");
1.181 + (*curl_formfree)(formpost);
1.182 + }
1.183 + if (headerlist != NULL) {
1.184 + void (*curl_slist_free_all)(struct curl_slist *);
1.185 + *(void**) (&curl_slist_free_all) = dlsym(curl_lib, "curl_slist_free_all");
1.186 + (*curl_slist_free_all)(headerlist);
1.187 + }
1.188 + dlclose(curl_lib);
1.189 + return err_code == CURLE_OK;
1.190 +}
1.191 +
1.192 +// static
1.193 +bool HTTPUpload::CheckParameters(const map<string, string> ¶meters) {
1.194 + for (map<string, string>::const_iterator pos = parameters.begin();
1.195 + pos != parameters.end(); ++pos) {
1.196 + const string &str = pos->first;
1.197 + if (str.size() == 0)
1.198 + return false; // disallow empty parameter names
1.199 + for (unsigned int i = 0; i < str.size(); ++i) {
1.200 + int c = str[i];
1.201 + if (c < 32 || c == '"' || c > 127) {
1.202 + return false;
1.203 + }
1.204 + }
1.205 + }
1.206 + return true;
1.207 +}
1.208 +
1.209 +} // namespace google_breakpad
