mirror of
https://github.com/mozilla/gecko-dev.git
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73fbbdcb6f
The notes are cut off before anything interesting, so they're not as useful as they could be. They also prevent other useful notes from appearing. --HG-- extra : rebase_source : e5c8f6c9d0e090665ddf4be3c5037f65bac716b1
145 lines
4.5 KiB
C++
145 lines
4.5 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Kyle Huey <me@kylehuey.com>
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/**
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* LSPs are evil little bits of code that are allowed to inject into our
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* networking stack by Windows. Once they have wormed into our process
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* they gnaw at our innards until we crash. Here we force the buggers
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* into the light by recording them in our crash information.
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* We do the enumeration on a thread because I'm concerned about startup perf
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* on machines with several LSPs.
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*/
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#include "nsICrashReporter.h"
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#include "nsISupportsImpl.h"
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#include "nsServiceManagerUtils.h"
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#include "nsThreadUtils.h"
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#include <windows.h>
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#include <Ws2spi.h>
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namespace mozilla {
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namespace crashreporter {
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class LSPAnnotationGatherer : public nsRunnable
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIRUNNABLE
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void Annotate();
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nsCString mString;
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nsCOMPtr<nsIThread> mThread;
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};
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NS_IMPL_THREADSAFE_ISUPPORTS1(LSPAnnotationGatherer, nsIRunnable)
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void
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LSPAnnotationGatherer::Annotate()
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{
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nsCOMPtr<nsICrashReporter> cr =
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do_GetService("@mozilla.org/toolkit/crash-reporter;1");
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PRBool enabled;
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if (cr && NS_SUCCEEDED(cr->GetEnabled(&enabled)) && enabled) {
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cr->AnnotateCrashReport(NS_LITERAL_CSTRING("Winsock_LSP"), mString);
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nsCString note = NS_LITERAL_CSTRING("Winsock LSPs: ");
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note.Append(mString);
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}
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mThread->Shutdown();
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}
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NS_IMETHODIMP
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LSPAnnotationGatherer::Run()
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{
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mThread = NS_GetCurrentThread();
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DWORD size = 0;
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int err;
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// Get the size of the buffer we need
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if (SOCKET_ERROR != WSCEnumProtocols(NULL, NULL, &size, &err) ||
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err != WSAENOBUFS) {
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// Er, what?
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NS_NOTREACHED("WSCEnumProtocols suceeded when it should have failed ...");
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return NS_ERROR_FAILURE;
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}
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nsAutoPtr<char> byteArray = new char[size];
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WSAPROTOCOL_INFOW* providers =
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reinterpret_cast<WSAPROTOCOL_INFOW*>(byteArray.get());
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int n = WSCEnumProtocols(NULL, providers, &size, &err);
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if (n == SOCKET_ERROR) {
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// Lame. We provided the right size buffer; we'll just give up now.
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NS_WARNING("Could not get LSP list");
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return NS_ERROR_FAILURE;
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}
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nsCString str;
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for (int i = 0; i < n; i++) {
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AppendUTF16toUTF8(nsDependentString(providers[i].szProtocol), str);
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str.AppendLiteral(" : ");
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str.AppendInt(providers[i].iVersion);
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str.AppendLiteral(" : ");
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str.AppendInt(providers[i].iSocketType);
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str.AppendLiteral(" : ");
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wchar_t path[MAX_PATH];
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int dummy;
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if (!WSCGetProviderPath(&providers[i].ProviderId, path,
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&dummy, &err)) {
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AppendUTF16toUTF8(nsDependentString(path), str);
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}
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if (i + 1 != n) {
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str.AppendLiteral(" \n ");
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}
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}
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mString = str;
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NS_DispatchToMainThread(NS_NewRunnableMethod(this, &LSPAnnotationGatherer::Annotate));
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return NS_OK;
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}
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void LSPAnnotate()
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{
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nsCOMPtr<nsIThread> thread;
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nsCOMPtr<nsIRunnable> runnable =
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do_QueryObject(new LSPAnnotationGatherer());
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NS_NewThread(getter_AddRefs(thread), runnable);
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}
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} // namespace crashreporter
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} // namespace mozilla
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