1 files changed, 0 insertions, 333 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/client/linux/crash_generation/crash_generation_server.cc b/toolkit/crashreporter/google-breakpad/src/client/linux/crash_generation/crash_generation_server.cc
deleted file mode 100644
index 1d7d93b99..000000000
--- a/toolkit/crashreporter/google-breakpad/src/client/linux/crash_generation/crash_generation_server.cc
+++ /dev/null
@@ -1,333 +0,0 @@
-// Copyright (c) 2010 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 <assert.h>
-#include <dirent.h>
-#include <fcntl.h>
-#include <limits.h>
-#include <poll.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/socket.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include <vector>
-
-#include "client/linux/crash_generation/crash_generation_server.h"
-#include "client/linux/crash_generation/client_info.h"
-#include "client/linux/handler/exception_handler.h"
-#include "client/linux/minidump_writer/minidump_writer.h"
-#include "common/linux/eintr_wrapper.h"
-#include "common/linux/guid_creator.h"
-#include "common/linux/safe_readlink.h"
-
-static const char kCommandQuit = 'x';
-
-namespace google_breakpad {
-
-CrashGenerationServer::CrashGenerationServer(
-  const int listen_fd,
-  OnClientDumpRequestCallback dump_callback,
-  void* dump_context,
-  OnClientExitingCallback exit_callback,
-  void* exit_context,
-  bool generate_dumps,
-  const string* dump_path) :
-    server_fd_(listen_fd),
-    dump_callback_(dump_callback),
-    dump_context_(dump_context),
-    exit_callback_(exit_callback),
-    exit_context_(exit_context),
-    generate_dumps_(generate_dumps),
-    started_(false)
-{
-  if (dump_path)
-    dump_dir_ = *dump_path;
-  else
-    dump_dir_ = "/tmp";
-}
-
-CrashGenerationServer::~CrashGenerationServer()
-{
-  if (started_)
-    Stop();
-}
-
-bool
-CrashGenerationServer::Start()
-{
-  if (started_ || 0 > server_fd_)
-    return false;
-
-  int control_pipe[2];
-  if (pipe(control_pipe))
-    return false;
-
-  if (fcntl(control_pipe[0], F_SETFD, FD_CLOEXEC))
-    return false;
-  if (fcntl(control_pipe[1], F_SETFD, FD_CLOEXEC))
-    return false;
-
-  if (fcntl(control_pipe[0], F_SETFL, O_NONBLOCK))
-    return false;
-
-  control_pipe_in_ = control_pipe[0];
-  control_pipe_out_ = control_pipe[1];
-
-  if (pthread_create(&thread_, NULL,
-                     ThreadMain, reinterpret_cast<void*>(this)))
-    return false;
-
-  started_ = true;
-  return true;
-}
-
-void
-CrashGenerationServer::Stop()
-{
-  assert(pthread_self() != thread_);
-
-  if (!started_)
-    return;
-
-  HANDLE_EINTR(write(control_pipe_out_, &kCommandQuit, 1));
-
-  void* dummy;
-  pthread_join(thread_, &dummy);
-
-  close(control_pipe_in_);
-  close(control_pipe_out_);
-
-  started_ = false;
-}
-
-//static
-bool
-CrashGenerationServer::CreateReportChannel(int* server_fd, int* client_fd)
-{
-  int fds[2];
-
-  if (socketpair(AF_UNIX, SOCK_SEQPACKET, 0, fds))
-    return false;
-
-  static const int on = 1;
-  // Enable passcred on the server end of the socket
-  if (setsockopt(fds[1], SOL_SOCKET, SO_PASSCRED, &on, sizeof(on)))
-    return false;
-
-  if (fcntl(fds[1], F_SETFL, O_NONBLOCK))
-    return false;
-  if (fcntl(fds[1], F_SETFD, FD_CLOEXEC))
-    return false;
-
-  *client_fd = fds[0];
-  *server_fd = fds[1];
-  return true;
-}
-
-// The following methods/functions execute on the server thread
-
-void
-CrashGenerationServer::Run()
-{
-  struct pollfd pollfds[2];
-  memset(&pollfds, 0, sizeof(pollfds));
-
-  pollfds[0].fd = server_fd_;
-  pollfds[0].events = POLLIN;
-
-  pollfds[1].fd = control_pipe_in_;
-  pollfds[1].events = POLLIN;
-
-  while (true) {
-    // infinite timeout
-    int nevents = poll(pollfds, sizeof(pollfds)/sizeof(pollfds[0]), -1);
-    if (-1 == nevents) {
-      if (EINTR == errno) {
-        continue;
-      } else {
-        return;
-      }
-    }
-
-    if (pollfds[0].revents && !ClientEvent(pollfds[0].revents))
-      return;
-
-    if (pollfds[1].revents && !ControlEvent(pollfds[1].revents))
-      return;
-  }
-}
-
-bool
-CrashGenerationServer::ClientEvent(short revents)
-{
-  if (POLLHUP & revents)
-    return false;
-  assert(POLLIN & revents);
-
-  // A process has crashed and has signaled us by writing a datagram
-  // to the death signal socket. The datagram contains the crash context needed
-  // for writing the minidump as well as a file descriptor and a credentials
-  // block so that they can't lie about their pid.
-
-  // The length of the control message:
-  static const unsigned kControlMsgSize =
-      CMSG_SPACE(sizeof(int)) + CMSG_SPACE(sizeof(struct ucred));
-  // The length of the regular payload:
-  static const unsigned kCrashContextSize =
-      sizeof(google_breakpad::ExceptionHandler::CrashContext);
-
-  struct msghdr msg = {0};
-  struct iovec iov[1];
-  char crash_context[kCrashContextSize];
-  char control[kControlMsgSize];
-  const ssize_t expected_msg_size = sizeof(crash_context);
-
-  iov[0].iov_base = crash_context;
-  iov[0].iov_len = sizeof(crash_context);
-  msg.msg_iov = iov;
-  msg.msg_iovlen = sizeof(iov)/sizeof(iov[0]);
-  msg.msg_control = control;
-  msg.msg_controllen = kControlMsgSize;
-
-  const ssize_t msg_size = HANDLE_EINTR(recvmsg(server_fd_, &msg, 0));
-  if (msg_size != expected_msg_size)
-    return true;
-
-  if (msg.msg_controllen != kControlMsgSize ||
-      msg.msg_flags & ~MSG_TRUNC)
-    return true;
-
-  // Walk the control payload and extract the file descriptor and validated pid.
-  pid_t crashing_pid = -1;
-  int signal_fd = -1;
-  for (struct cmsghdr *hdr = CMSG_FIRSTHDR(&msg); hdr;
-       hdr = CMSG_NXTHDR(&msg, hdr)) {
-    if (hdr->cmsg_level != SOL_SOCKET)
-      continue;
-    if (hdr->cmsg_type == SCM_RIGHTS) {
-      const unsigned len = hdr->cmsg_len -
-          (((uint8_t*)CMSG_DATA(hdr)) - (uint8_t*)hdr);
-      assert(len % sizeof(int) == 0u);
-      const unsigned num_fds = len / sizeof(int);
-      if (num_fds > 1 || num_fds == 0) {
-        // A nasty process could try and send us too many descriptors and
-        // force a leak.
-        for (unsigned i = 0; i < num_fds; ++i)
-          close(reinterpret_cast<int*>(CMSG_DATA(hdr))[i]);
-        return true;
-      } else {
-        signal_fd = reinterpret_cast<int*>(CMSG_DATA(hdr))[0];
-      }
-    } else if (hdr->cmsg_type == SCM_CREDENTIALS) {
-      const struct ucred *cred =
-          reinterpret_cast<struct ucred*>(CMSG_DATA(hdr));
-      crashing_pid = cred->pid;
-    }
-  }
-
-  if (crashing_pid == -1 || signal_fd == -1) {
-    if (signal_fd)
-      close(signal_fd);
-    return true;
-  }
-
-  string minidump_filename;
-  if (!MakeMinidumpFilename(minidump_filename))
-    return true;
-
-  if (!google_breakpad::WriteMinidump(minidump_filename.c_str(),
-                                      crashing_pid, crash_context,
-                                      kCrashContextSize)) {
-    close(signal_fd);
-    return true;
-  }
-
-  if (dump_callback_) {
-    ClientInfo info(crashing_pid, this);
-
-    dump_callback_(dump_context_, &info, &minidump_filename);
-  }
-
-  // Send the done signal to the process: it can exit now.
-  // (Closing this will make the child's sys_read unblock and return 0.)
-  close(signal_fd);
-
-  return true;
-}
-
-bool
-CrashGenerationServer::ControlEvent(short revents)
-{
-  if (POLLHUP & revents)
-    return false;
-  assert(POLLIN & revents);
-
-  char command;
-  if (read(control_pipe_in_, &command, 1))
-    return false;
-
-  switch (command) {
-  case kCommandQuit:
-    return false;
-  default:
-    assert(0);
-  }
-
-  return true;
-}
-
-bool
-CrashGenerationServer::MakeMinidumpFilename(string& outFilename)
-{
-  GUID guid;
-  char guidString[kGUIDStringLength+1];
-
-  if (!(CreateGUID(&guid)
-        && GUIDToString(&guid, guidString, sizeof(guidString))))
-    return false;
-
-  char path[PATH_MAX];
-  snprintf(path, sizeof(path), "%s/%s.dmp", dump_dir_.c_str(), guidString);
-
-  outFilename = path;
-  return true;
-}
-
-// static
-void*
-CrashGenerationServer::ThreadMain(void *arg)
-{
-  reinterpret_cast<CrashGenerationServer*>(arg)->Run();
-  return NULL;
-}
-
-}  // namespace google_breakpad