Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 77 insertions, 0 deletions

diff --git a/toolkit/crashreporter/InjectCrashReporter.cpp b/toolkit/crashreporter/InjectCrashReporter.cpp
new file mode 100644
index 0000000000..d9e6d062e5
--- /dev/null
+++ b/toolkit/crashreporter/InjectCrashReporter.cpp
@@ -0,0 +1,77 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "InjectCrashReporter.h"
+#include "nsDirectoryServiceUtils.h"
+#include "nsDirectoryServiceDefs.h"
+#include "windows/crash_generation/crash_generation_client.h"
+#include "nsExceptionHandler.h"
+#include "LoadLibraryRemote.h"
+#include "nsWindowsHelpers.h"
+
+using CrashReporter::GetChildNotificationPipe;
+using google_breakpad::CrashGenerationClient;
+
+namespace mozilla {
+
+InjectCrashRunnable::InjectCrashRunnable(DWORD pid)
+    : Runnable("InjectCrashRunnable"), mPID(pid) {
+  nsCOMPtr<nsIFile> dll;
+  nsresult rv = NS_GetSpecialDirectory(NS_GRE_DIR, getter_AddRefs(dll));
+  if (NS_SUCCEEDED(rv)) {
+    dll->Append(u"breakpadinjector.dll"_ns);
+    dll->GetPath(mInjectorPath);
+  }
+}
+
+NS_IMETHODIMP
+InjectCrashRunnable::Run() {
+  if (mInjectorPath.IsEmpty()) return NS_OK;
+
+  nsAutoHandle hProcess(OpenProcess(
+      PROCESS_CREATE_THREAD | PROCESS_QUERY_INFORMATION | PROCESS_DUP_HANDLE |
+          PROCESS_VM_OPERATION | PROCESS_VM_WRITE | PROCESS_VM_READ,
+      FALSE, mPID));
+  if (!hProcess) {
+    NS_WARNING(
+        "Unable to open remote process handle for crashreporter injection.");
+    return NS_OK;
+  }
+
+  void* proc =
+      LoadRemoteLibraryAndGetAddress(hProcess, mInjectorPath.get(), "Start");
+  if (!proc) {
+    NS_WARNING("Unable to inject crashreporter DLL.");
+    return NS_OK;
+  }
+
+  HANDLE hRemotePipe = CrashGenerationClient::DuplicatePipeToClientProcess(
+      NS_ConvertASCIItoUTF16(GetChildNotificationPipe()).get(), hProcess);
+  if (INVALID_HANDLE_VALUE == hRemotePipe) {
+    NS_WARNING("Unable to duplicate crash reporter pipe to process.");
+    return NS_OK;
+  }
+
+  nsAutoHandle hThread(CreateRemoteThread(hProcess, nullptr, 0,
+                                          (LPTHREAD_START_ROUTINE)proc,
+                                          (void*)hRemotePipe, 0, nullptr));
+  if (!hThread) {
+    NS_WARNING("Unable to CreateRemoteThread");
+
+    // We have to close the remote pipe or else our crash generation client
+    // will be stuck unable to accept other remote requests.
+    HANDLE toClose = INVALID_HANDLE_VALUE;
+    if (DuplicateHandle(hProcess, hRemotePipe, ::GetCurrentProcess(), &toClose,
+                        0, FALSE,
+                        DUPLICATE_CLOSE_SOURCE | DUPLICATE_SAME_ACCESS)) {
+      CloseHandle(toClose);
+      return NS_OK;
+    }
+  }
+
+  return NS_OK;
+}
+
+}  // namespace mozilla