sandbox/mac/policy.cc

   1 // Copyright 2014 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 #include "sandbox/mac/policy.h"
   6
   7 namespace sandbox {
   8
   9 Rule::Rule()
  10     : result(POLICY_DECISION_INVALID),
  11       substitute_port(MACH_PORT_NULL) {
  12 }
  13
  14 Rule::Rule(PolicyDecision result)
  15     : result(result),
  16       substitute_port(MACH_PORT_NULL) {
  17 }
  18
  19 Rule::Rule(mach_port_t override_port)
  20     : result(POLICY_SUBSTITUTE_PORT),
  21       substitute_port(override_port) {
  22 }
  23
  24 bool IsPolicyValid(const BootstrapSandboxPolicy& policy) {
  25   for (BootstrapSandboxPolicy::const_iterator it = policy.begin();
  26        it != policy.end();
  27        ++it) {
  28     const Rule& rule = it->second;
  29     if (!(rule.result > POLICY_DECISION_INVALID &&
  30           rule.result < POLICY_DECISION_LAST)) {
  31       return false;
  32     }
  33     if (rule.result == POLICY_SUBSTITUTE_PORT) {
  34       if (rule.substitute_port == MACH_PORT_NULL)
  35         return false;
  36     } else {
  37       if (rule.substitute_port != MACH_PORT_NULL)
  38         return false;
  39     }
  40   }
  41   return true;
  42 }
  43
  44 }  // namespace sandbox