mac: Don’t leak send rights from ExceptionPorts::GetExceptionPorts()

client/simulate_crash_mac.cc

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
 #include "client/simulate_crash_mac.h"
 
 #include <string.h>
 
-#include <vector>
-
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/mac/mach_logging.h"
 #include "base/mac/scoped_mach_port.h"
 #include "base/strings/stringprintf.h"
 #include "build/build_config.h"
 #include "util/mach/exc_client_variants.h"
 #include "util/mach/exception_behaviors.h"
 #include "util/mach/exception_ports.h"
 #include "util/mach/mach_extensions.h"
@@ skipping 178 matching lines @@
       // xnu-2422.115.4/osfmk/kern/task.c host_security_set_task_token(), and
       // xnu-2422.115.4/osfmk/kern/ipc_host.c host_get_exception_ports().
       ExceptionPorts::kTargetTypeHost,
   };
 
   bool success = false;
 
   for (size_t target_type_index = 0;
        !success && target_type_index < arraysize(kTargetTypes);
        ++target_type_index) {
-    std::vector<ExceptionPorts::ExceptionHandler> handlers;
+    ExceptionPorts::ExceptionHandlerVector handlers;
     ExceptionPorts exception_ports(kTargetTypes[target_type_index],
                                    MACH_PORT_NULL);
     if (exception_ports.GetExceptionPorts(EXC_MASK_CRASH, &handlers)) {
       DCHECK_LE(handlers.size(), 1u);
       if (handlers.size() == 1) {
         DCHECK(handlers[0].mask & EXC_MASK_CRASH);
         success = DeliverException(thread,
                                    mach_task_self(),
                                    exception,
                                    codes,
                                    code_count,
                                    cpu_context,
                                    handlers[0],
                                    false);
       }
     }
   }
 
   LOG_IF(WARNING, !success)
       << "SimulateCrash did not find an appropriate exception handler";
 }
 
 }  // namespace crashpad