Add m-esr52 at 52.6.0

1 files changed, 58 insertions, 0 deletions

diff --git a/security/sandbox/linux/SandboxBrokerClient.h b/security/sandbox/linux/SandboxBrokerClient.h
new file mode 100644
index 000000000..06db2f183
--- /dev/null
+++ b/security/sandbox/linux/SandboxBrokerClient.h
@@ -0,0 +1,58 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#ifndef mozilla_SandboxBrokerClient_h
+#define mozilla_SandboxBrokerClient_h
+
+#include "broker/SandboxBrokerCommon.h"
+#include "broker/SandboxBrokerUtils.h"
+
+#include "mozilla/Attributes.h"
+
+// This is the client for the sandbox broker described in
+// broker/SandboxBroker.h; its constructor takes the file descriptor
+// returned by SandboxBroker::Create, passed to the child over IPC.
+//
+// The operations exposed here can be called from any thread and in
+// async signal handlers, like the corresponding system calls.  The
+// intended use is from a seccomp-bpf SIGSYS handler, to transparently
+// replace those syscalls, but they could also be used directly.
+
+struct stat;
+
+namespace mozilla {
+
+class SandboxBrokerClient final : private SandboxBrokerCommon {
+ public:
+  explicit SandboxBrokerClient(int aFd);
+  ~SandboxBrokerClient();
+
+  int Open(const char* aPath, int aFlags);
+  int Access(const char* aPath, int aMode);
+  int Stat(const char* aPath, statstruct* aStat);
+  int LStat(const char* aPath, statstruct* aStat);
+  int Chmod(const char* aPath, int aMode);
+  int Link(const char* aPath, const char* aPath2);
+  int Mkdir(const char* aPath, int aMode);
+  int Symlink(const char* aOldPath, const char* aNewPath);
+  int Rename(const char* aOldPath, const char* aNewPath);
+  int Unlink(const char* aPath);
+  int Rmdir(const char* aPath);
+  int Readlink(const char* aPath, void* aBuf, size_t aBufSize);
+
+ private:
+  int mFileDesc;
+
+  int DoCall(const Request* aReq,
+             const char* aPath,
+             const char* aPath2,
+             void *aReponseBuff,
+             bool expectFd);
+};
+
+} // namespace mozilla
+
+#endif // mozilla_SandboxBrokerClient_h