diff options
Diffstat (limited to 'toolkit/crashreporter/google-breakpad/src/common/linux/http_upload.cc')
| -rw-r--r-- | toolkit/crashreporter/google-breakpad/src/common/linux/http_upload.cc | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/common/linux/http_upload.cc b/toolkit/crashreporter/google-breakpad/src/common/linux/http_upload.cc new file mode 100644 index 0000000000..0a1019dd0d --- /dev/null +++ b/toolkit/crashreporter/google-breakpad/src/common/linux/http_upload.cc @@ -0,0 +1,210 @@ +// Copyright (c) 2006, 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 "common/linux/http_upload.h" + +#include <assert.h> +#include <dlfcn.h> +#include "third_party/curl/curl.h" + +namespace { + +// 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; +} + +} // namespace + +namespace google_breakpad { + +static const char kUserAgent[] = "Breakpad/1.0 (Linux)"; + +// static +bool HTTPUpload::SendRequest(const string &url, + const string ¶meters, + const map<string, string> &files, + const string &proxy, + const string &proxy_user_pwd, + const string &ca_certificate_file, + string *response_body, + long *response_code, + string *error_description) { + if (response_code != NULL) + *response_code = 0; + + // We may have been linked statically; if curl_easy_init is in the + // current binary, no need to search for a dynamic version. + void* curl_lib = dlopen(NULL, RTLD_NOW); + if (!CheckCurlLib(curl_lib)) { + fprintf(stderr, + "Failed to open curl lib from binary, use libcurl.so instead\n"); + dlerror(); // Clear dlerror before attempting to open libraries. + dlclose(curl_lib); + curl_lib = NULL; + } + if (!curl_lib) { + curl_lib = dlopen("libcurl.so", RTLD_NOW); + } + if (!curl_lib) { + if (error_description != NULL) + *error_description = dlerror(); + curl_lib = dlopen("libcurl.so.4", RTLD_NOW); + } + if (!curl_lib) { + // Debian gives libcurl a different name when it is built against GnuTLS + // instead of OpenSSL. + curl_lib = dlopen("libcurl-gnutls.so.4", RTLD_NOW); + } + if (!curl_lib) { + curl_lib = dlopen("libcurl.so.3", RTLD_NOW); + } + if (!curl_lib) { + return false; + } + + CURL* (*curl_easy_init)(void); + *(void**) (&curl_easy_init) = dlsym(curl_lib, "curl_easy_init"); + CURL *curl = (*curl_easy_init)(); + if (error_description != NULL) + *error_description = "No Error"; + + if (!curl) { + dlclose(curl_lib); + return false; + } + + CURLcode err_code = CURLE_OK; + CURLcode (*curl_easy_setopt)(CURL *, CURLoption, ...); + *(void**) (&curl_easy_setopt) = dlsym(curl_lib, "curl_easy_setopt"); + (*curl_easy_setopt)(curl, CURLOPT_URL, url.c_str()); + (*curl_easy_setopt)(curl, CURLOPT_USERAGENT, kUserAgent); + // Support multithread by disabling timeout handling, would get SIGSEGV with + // Curl_resolv_timeout in stack trace otherwise. + // See https://curl.haxx.se/libcurl/c/threadsafe.html + (*curl_easy_setopt)(curl, CURLOPT_NOSIGNAL, 1); + // Set proxy information if necessary. + if (!proxy.empty()) + (*curl_easy_setopt)(curl, CURLOPT_PROXY, proxy.c_str()); + if (!proxy_user_pwd.empty()) + (*curl_easy_setopt)(curl, CURLOPT_PROXYUSERPWD, proxy_user_pwd.c_str()); + + if (!ca_certificate_file.empty()) + (*curl_easy_setopt)(curl, CURLOPT_CAINFO, ca_certificate_file.c_str()); + + struct curl_httppost *formpost = NULL; + struct curl_httppost *lastptr = NULL; + // Add form data. + CURLFORMcode (*curl_formadd)(struct curl_httppost **, struct curl_httppost **, ...); + *(void**) (&curl_formadd) = dlsym(curl_lib, "curl_formadd"); + (*curl_formadd)(&formpost, &lastptr, CURLFORM_COPYNAME, "extra", + CURLFORM_BUFFER, "extra.json", CURLFORM_BUFFERPTR, + parameters.c_str(), CURLFORM_BUFFERLENGTH, + parameters.length(), CURLFORM_CONTENTTYPE, "application/json", + CURLFORM_END); + + // Add form files. + map<string, string>::const_iterator iter = files.begin(); + for (iter = files.begin(); iter != files.end(); ++iter) { + (*curl_formadd)(&formpost, &lastptr, + CURLFORM_COPYNAME, iter->first.c_str(), + CURLFORM_FILE, iter->second.c_str(), + CURLFORM_END); + } + + (*curl_easy_setopt)(curl, CURLOPT_HTTPPOST, formpost); + + // Disable 100-continue header. + struct curl_slist *headerlist = NULL; + char buf[] = "Expect:"; + struct curl_slist* (*curl_slist_append)(struct curl_slist *, const char *); + *(void**) (&curl_slist_append) = dlsym(curl_lib, "curl_slist_append"); + headerlist = (*curl_slist_append)(headerlist, buf); + (*curl_easy_setopt)(curl, CURLOPT_HTTPHEADER, headerlist); + + if (response_body != NULL) { + (*curl_easy_setopt)(curl, CURLOPT_WRITEFUNCTION, WriteCallback); + (*curl_easy_setopt)(curl, CURLOPT_WRITEDATA, + reinterpret_cast<void *>(response_body)); + } + + // Fail if 400+ is returned from the web server. + (*curl_easy_setopt)(curl, CURLOPT_FAILONERROR, 1); + + CURLcode (*curl_easy_perform)(CURL *); + *(void**) (&curl_easy_perform) = dlsym(curl_lib, "curl_easy_perform"); + err_code = (*curl_easy_perform)(curl); + if (response_code != NULL) { + CURLcode (*curl_easy_getinfo)(CURL *, CURLINFO, ...); + *(void**) (&curl_easy_getinfo) = dlsym(curl_lib, "curl_easy_getinfo"); + (*curl_easy_getinfo)(curl, CURLINFO_RESPONSE_CODE, response_code); + } + const char* (*curl_easy_strerror)(CURLcode); + *(void**) (&curl_easy_strerror) = dlsym(curl_lib, "curl_easy_strerror"); +#ifndef NDEBUG + if (err_code != CURLE_OK) + fprintf(stderr, "Failed to send http request to %s, error: %s\n", + url.c_str(), + (*curl_easy_strerror)(err_code)); +#endif + if (error_description != NULL) + *error_description = (*curl_easy_strerror)(err_code); + + void (*curl_easy_cleanup)(CURL *); + *(void**) (&curl_easy_cleanup) = dlsym(curl_lib, "curl_easy_cleanup"); + (*curl_easy_cleanup)(curl); + if (formpost != NULL) { + void (*curl_formfree)(struct curl_httppost *); + *(void**) (&curl_formfree) = dlsym(curl_lib, "curl_formfree"); + (*curl_formfree)(formpost); + } + if (headerlist != NULL) { + void (*curl_slist_free_all)(struct curl_slist *); + *(void**) (&curl_slist_free_all) = dlsym(curl_lib, "curl_slist_free_all"); + (*curl_slist_free_all)(headerlist); + } + dlclose(curl_lib); + return err_code == CURLE_OK; +} + +// static +bool HTTPUpload::CheckCurlLib(void* curl_lib) { + return curl_lib && + dlsym(curl_lib, "curl_easy_init") && + dlsym(curl_lib, "curl_easy_setopt"); +} + +} // namespace google_breakpad |