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Diffstat (limited to 'sandbox/linux/services/proc_util.h')
| -rw-r--r-- | sandbox/linux/services/proc_util.h | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/sandbox/linux/services/proc_util.h b/sandbox/linux/services/proc_util.h deleted file mode 100644 index bc14c5ef2a..0000000000 --- a/sandbox/linux/services/proc_util.h +++ /dev/null @@ -1,42 +0,0 @@ -// Copyright 2014 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -#ifndef SANDBOX_LINUX_SERVICES_PROC_UTIL_H_ -#define SANDBOX_LINUX_SERVICES_PROC_UTIL_H_ - -#include "base/files/scoped_file.h" -#include "base/macros.h" -#include "sandbox/sandbox_export.h" - -namespace sandbox { - -class SANDBOX_EXPORT ProcUtil { - public: - // Returns the number of file descriptors in the current process's FD - // table, excluding |proc_fd|, which should be a file descriptor for - // /proc/. - static int CountOpenFds(int proc_fd); - - // Checks whether the current process has any directory file descriptor open. - // Directory file descriptors are "capabilities" that would let a process use - // system calls such as openat() to bypass restrictions such as - // DropFileSystemAccess(). - // Sometimes it's useful to call HasOpenDirectory() after file system access - // has been dropped. In this case, |proc_fd| should be a file descriptor to - // /proc/. The file descriptor in |proc_fd| will be ignored by - // HasOpenDirectory() and remains owned by the caller. It is very important - // for the caller to close it. - static bool HasOpenDirectory(int proc_fd) WARN_UNUSED_RESULT; - static bool HasOpenDirectory() WARN_UNUSED_RESULT; - - // Open /proc/ or crash if not possible. - static base::ScopedFD OpenProc(); - - private: - DISALLOW_IMPLICIT_CONSTRUCTORS(ProcUtil); -}; - -} // namespace sandbox - -#endif // SANDBOX_LINUX_SERVICES_PROC_UTIL_H_ |