sandbox/linux/suid/common/sandbox.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef SANDBOX_LINUX_SUID_SANDBOX_H_
   6 #define SANDBOX_LINUX_SUID_SANDBOX_H_
   7
   8 #if defined(__cplusplus)
   9 namespace sandbox {
  10 #endif
  11
  12 // These are command line switches that may be used by other programs
  13 // (e.g. Chrome) to construct a command line for the sandbox.
  14 static const char kSuidSandboxGetApiSwitch[] = "--get-api";
  15 static const char kAdjustOOMScoreSwitch[] = "--adjust-oom-score";
  16
  17 static const char kSandboxDescriptorEnvironmentVarName[] = "SBX_D";
  18 static const char kSandboxHelperPidEnvironmentVarName[] = "SBX_HELPER_PID";
  19
  20 static const long kSUIDSandboxApiNumber = 1;
  21 static const char kSandboxEnvironmentApiRequest[] = "SBX_CHROME_API_RQ";
  22 static const char kSandboxEnvironmentApiProvides[] = "SBX_CHROME_API_PRV";
  23
  24 // This number must be kept in sync with common/zygote_commands_linux.h
  25 static const int kZygoteIdFd = 7;
  26
  27 // These are the magic byte values which the sandboxed process uses to request
  28 // that it be chrooted.
  29 static const char kMsgChrootMe = 'C';
  30 static const char kMsgChrootSuccessful = 'O';
  31
  32 // These are set if we have respectively switched to a new PID or NET namespace
  33 // by going through the setuid binary helper.
  34 static const char kSandboxPIDNSEnvironmentVarName[] = "SBX_PID_NS";
  35 static const char kSandboxNETNSEnvironmentVarName[] = "SBX_NET_NS";
  36
  37 #if defined(__cplusplus)
  38 }  // namespace sandbox
  39 #endif
  40
  41 #endif  // SANDBOX_LINUX_SUID_SANDBOX_H_