Add sandbox to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@13 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 79 insertions, 0 deletions

diff --git a/sandbox/sandbox_poc/pocdll/fs.cc b/sandbox/sandbox_poc/pocdll/fs.cc
new file mode 100644
index 0000000..d9a142f
--- /dev/null
+++ b/sandbox/sandbox_poc/pocdll/fs.cc
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+// Copyright 2008, 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 "sandbox/sandbox_poc/pocdll/exports.h"
+#include "sandbox/sandbox_poc/pocdll/utils.h"
+
+// This file contains the tests used to verify the security of the file system.
+
+// Tries to open a file and outputs the result.
+// "path" can contain environment variables.
+// "output" is the stream for the logging.
+void TryOpenFile(wchar_t *path, FILE *output) {
+  wchar_t path_expanded[MAX_PATH] = {0};
+  DWORD size = ::ExpandEnvironmentStrings(path, path_expanded, MAX_PATH - 1);
+  if (!size) {
+    fprintf(output, "[ERROR] Cannot expand \"%S\". Error %S.\r\n", path,
+            ::GetLastError());
+  }
+
+  HANDLE file;
+  file = ::CreateFile(path_expanded,
+                      GENERIC_READ,
+                      FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
+                      NULL,  // No security attributes
+                      OPEN_EXISTING,
+                      FILE_FLAG_BACKUP_SEMANTICS,
+                      NULL);  // No template
+
+  if (file && INVALID_HANDLE_VALUE != file) {
+    fprintf(output, "[GRANTED] Opening file \"%S\". Handle 0x%p\r\n", path,
+            file);
+    ::CloseHandle(file);
+  } else {
+    fprintf(output, "[BLOCKED] Opening file \"%S\". Error %d.\r\n", path,
+            ::GetLastError());
+  }
+}
+
+void POCDLL_API TestFileSystem(HANDLE log) {
+  HandleToFile handle2file;
+  FILE *output = handle2file.Translate(log, "w");
+
+  TryOpenFile(L"%SystemDrive%", output);
+  TryOpenFile(L"%SystemRoot%", output);
+  TryOpenFile(L"%ProgramFiles%", output);
+  TryOpenFile(L"%SystemRoot%\\System32", output);
+  TryOpenFile(L"%SystemRoot%\\explorer.exe", output);
+  TryOpenFile(L"%SystemRoot%\\Cursors\\arrow_i.cur", output);
+  TryOpenFile(L"%AllUsersProfile%", output);
+  TryOpenFile(L"%UserProfile%", output);
+  TryOpenFile(L"%Temp%", output);
+  TryOpenFile(L"%AppData%", output);
+}