sandbox/linux/nacl_sandbox-main.cc

   1 /*
   2  * Copyright 2008, Google Inc.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met:
   8  *
   9  *     * Redistributions of source code must retain the above copyright
  10  * notice, this list of conditions and the following disclaimer.
  11  *     * Redistributions in binary form must reproduce the above
  12  * copyright notice, this list of conditions and the following disclaimer
  13  * in the documentation and/or other materials provided with the
  14  * distribution.
  15  *     * Neither the name of Google Inc. nor the names of its
  16  * contributors may be used to endorse or promote products derived from
  17  * this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32
  33 #include <stdio.h>
  34 #include <unistd.h>
  35 #include <stdlib.h>
  36 #include <string.h>
  37
  38 #include "native_client/sandbox/linux/nacl_sandbox.h"
  39
  40 int main(int argc, char** argv) {
  41   if (!NaclSandbox::SelLdrPath(argc, argv, argv[0], strlen(argv[0]))) {
  42     return 1;
  43   }
  44   // TODO: This is off by default for now.  Change it to an
  45   // environment variable which must be set in order to *not* run the
  46   // sandbox.
  47   if (getenv(NaclSandbox::kTraceSandboxEnvVariable) == NULL) {
  48     // Fall through.  No sandbox.
  49     printf("Warning: starting untraced sel_ldr: %s \n", argv[0]);
  50     execv(argv[0], argv);
  51     perror("exec");
  52     exit(-20);
  53   }
  54   const int kMaxPath = 1024;
  55   char app_name[kMaxPath];
  56   char* app_ptr = app_name;
  57   if (!NaclSandbox::ParseApplicationName(argc, argv, app_ptr, kMaxPath)) {
  58     return 1;
  59   }
  60   NaclSandbox::NaclSandbox sandbox;
  61   sandbox.Run(app_ptr, argv);
  62   return 0;
  63 }