scheduler/cups-exec.c

   1 /*
   2  * "$Id$"
   3  *
   4  *   Sandbox helper for CUPS.
   5  *
   6  *   Copyright 2007-2013 by Apple Inc.
   7  *
   8  *   These coded instructions, statements, and computer programs are the
   9  *   property of Apple Inc. and are protected by Federal copyright
  10  *   law.  Distribution and use rights are outlined in the file "LICENSE.txt"
  11  *   which should have been included with this file.  If this file is
  12  *   file is missing or damaged, see the license at "http://www.cups.org/".
  13  *
  14  * Usage:
  15  *
  16  *     cups-exec /path/to/profile /path/to/program argv0 argv1 ... argvN
  17  *
  18  * Contents:
  19  *
  20  *   main() - Apply sandbox profile and execute program.
  21  */
  22
  23 /*
  24  * Include necessary headers...
  25  */
  26
  27 #include <cups/string-private.h>
  28 #include <unistd.h>
  29 #ifdef HAVE_SANDBOX_H
  30 #  include <sandbox.h>
  31 #  ifndef SANDBOX_NAMED_EXTERNAL
  32 #    define SANDBOX_NAMED_EXTERNAL  0x0003
  33 #  endif /* !SANDBOX_NAMED_EXTERNAL */
  34 #  pragma GCC diagnostic ignored "-Wdeprecated-declarations"
  35 #endif /* HAVE_SANDBOX_H */
  36
  37
  38 /*
  39  * 'main()' - Apply sandbox profile and execute program.
  40  */
  41
  42 int                                     /* O - Exit status */
  43 main(int  argc,                         /* I - Number of command-line args */
  44      char *argv[])                      /* I - Command-line arguments */
  45 {
  46   int   i;                              /* Looping var */
  47 #ifdef HAVE_SANDBOX_H
  48   char  *sandbox_error = NULL;          /* Sandbox error, if any */
  49 #endif /* HAVE_SANDBOX_H */
  50
  51
  52  /*
  53   * Check that we have enough arguments...
  54   */
  55
  56   if (argc < 4)
  57   {
  58     puts("Usage: cups-exec /path/to/profile /path/to/program argv0 argv1 ... "
  59          "argvN");
  60     return (1);
  61   }
  62
  63 #ifdef HAVE_SANDBOX_H
  64  /*
  65   * Run in a separate security profile...
  66   */
  67
  68   if (strcmp(argv[1], "none") &&
  69       sandbox_init(argv[1], SANDBOX_NAMED_EXTERNAL, &sandbox_error))
  70   {
  71     fprintf(stderr, "DEBUG: sandbox_init failed: %s (%s)\n", sandbox_error,
  72             strerror(errno));
  73     sandbox_free_error(sandbox_error);
  74     return (1);
  75   }
  76 #endif /* HAVE_SANDBOX_H */
  77
  78  /*
  79   * Execute the program...
  80   */
  81
  82   execv(argv[2], argv + 3);
  83
  84  /*
  85   * If we get here, execv() failed...
  86   */
  87
  88   fprintf(stderr, "DEBUG: execv failed: %s\n", strerror(errno));
  89   return (1);
  90 }
  91
  92
  93 /*
  94  * End of "$Id$".
  95  */