1 files changed, 88 insertions, 0 deletions
diff --git a/src/client/linux/crash_generation/crash_generation_client.cc b/src/client/linux/crash_generation/crash_generation_client.cc
new file mode 100644
index 00000000..b9c00b10
--- /dev/null
+++ b/src/client/linux/crash_generation/crash_generation_client.cc
@@ -0,0 +1,88 @@
+// Copyright (c) 2009, 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 <sys/socket.h>
+#include <sys/types.h>
+
+#include <algorithm>
+
+#include "client/linux/crash_generation/crash_generation_client.h"
+#include "common/linux/eintr_wrapper.h"
+#include "common/linux/linux_libc_support.h"
+#include "common/linux/linux_syscall_support.h"
+
+namespace google_breakpad {
+
+bool
+CrashGenerationClient::RequestDump(const void* blob, size_t blob_size)
+{
+  int fds[2];
+  sys_socketpair(AF_UNIX, SOCK_STREAM, 0, fds);
+
+  static const unsigned kControlMsgSize = CMSG_SPACE(sizeof(int));
+
+  struct kernel_msghdr msg;
+  my_memset(&msg, 0, sizeof(struct kernel_msghdr));
+  struct kernel_iovec iov[1];
+  iov[0].iov_base = const_cast<void*>(blob);
+  iov[0].iov_len = blob_size;
+
+  msg.msg_iov = iov;
+  msg.msg_iovlen = sizeof(iov) / sizeof(iov[0]);
+  char cmsg[kControlMsgSize];
+  my_memset(cmsg, 0, kControlMsgSize);
+  msg.msg_control = cmsg;
+  msg.msg_controllen = sizeof(cmsg);
+
+  struct cmsghdr* hdr = CMSG_FIRSTHDR(&msg);
+  hdr->cmsg_level = SOL_SOCKET;
+  hdr->cmsg_type = SCM_RIGHTS;
+  hdr->cmsg_len = CMSG_LEN(sizeof(int));
+  *((int*) CMSG_DATA(hdr)) = fds[1];
+
+  HANDLE_EINTR(sys_sendmsg(server_fd_, &msg, 0));
+  sys_close(fds[1]);
+
+  // wait for an ACK from the server
+  char b;
+  HANDLE_EINTR(sys_read(fds[0], &b, 1));
+
+  return true;
+}
+
+//static
+CrashGenerationClient*
+CrashGenerationClient::TryCreate(int server_fd)
+{
+  if (0 > server_fd)
+    return NULL;
+  return new CrashGenerationClient(server_fd);
+}
+
+}