Add Linux exception handler.

Add Linux stab symbol dumper.
Add minidump & symbol uploader for Linux.



git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@126 4c0a9323-5329-0410-9bdc-e9ce6186880e

src/common/linux/http_upload.cc

@@ -0,0 +1,146 @@
+// 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 <cassert>
+#include <curl/curl.h>
+#include <curl/easy.h>
+#include <curl/types.h>
+
+#include "common/linux/http_upload.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;
+
+  std::string *response = reinterpret_cast<std::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 map<string, string> &parameters,
+                             const string &upload_file,
+                             const string &file_part_name,
+                             const string &proxy,
+                             const string &proxy_user_pwd,
+                             string *response_body) {
+  if (!CheckParameters(parameters))
+    return false;
+
+  CURL *curl = curl_easy_init();
+  CURLcode err_code = CURLE_OK;
+
+  if (curl) {
+    curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
+    curl_easy_setopt(curl, CURLOPT_USERAGENT, kUserAgent);
+    // 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());
+
+    struct curl_httppost *formpost = NULL;
+    struct curl_httppost *lastptr = NULL;
+    // Add form data.
+    map<string, string>::const_iterator iter = parameters.begin();
+    for (; iter != parameters.end(); ++iter)
+      curl_formadd(&formpost, &lastptr,
+                   CURLFORM_COPYNAME, iter->first.c_str(),
+                   CURLFORM_COPYCONTENTS, iter->second.c_str(),
+                   CURLFORM_END);
+
+    // Add form file.
+    curl_formadd(&formpost, &lastptr,
+                 CURLFORM_COPYNAME, file_part_name.c_str(),
+                 CURLFORM_FILE, upload_file.c_str(),
+                 CURLFORM_END);
+
+    curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
+
+    // Disable 100-continue header.
+    struct curl_slist *headerlist = NULL;
+    char buf[] = "Expect:";
+    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));
+    }
+
+    err_code = curl_easy_perform(curl);
+#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 (curl != NULL)
+      curl_easy_cleanup(curl);
+    if (formpost != NULL)
+      curl_formfree(formpost);
+    if (headerlist != NULL)
+      curl_slist_free_all(headerlist);
+    return err_code == CURLE_OK;
+  }
+  return false;
+}
+
+// static
+bool HTTPUpload::CheckParameters(const map<string, string> &parameters) {
+  for (map<string, string>::const_iterator pos = parameters.begin();
+       pos != parameters.end(); ++pos) {
+    const string &str = pos->first;
+    if (str.size() == 0)
+      return false;  // disallow empty parameter names
+    for (unsigned int i = 0; i < str.size(); ++i) {
+      int c = str[i];
+      if (c < 32 || c == '"' || c > 127) {
+        return false;
+      }
+    }
+  }
+  return true;
+}
+
+}  // namespace google_breakpad