Branch data     Line data    Source code

       1                 :            : /*
       2                 :            :  * Copyright (c) 2013 Damien Miller <djm@mindrot.org>
       3                 :            :  *
       4                 :            :  * Permission to use, copy, modify, and distribute this software for any
       5                 :            :  * purpose with or without fee is hereby granted, provided that the above
       6                 :            :  * copyright notice and this permission notice appear in all copies.
       7                 :            :  *
       8                 :            :  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
       9                 :            :  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
      10                 :            :  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
      11                 :            :  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
      12                 :            :  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
      13                 :            :  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
      14                 :            :  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
      15                 :            :  */
      16                 :            : 
      17                 :            : /* $OpenBSD$ */
      18                 :            : 
      19                 :            : #include "includes.h"
      20                 :            : 
      21                 :            : #include <sys/types.h>
      22                 :            : #ifdef HAVE_SYS_STATVFS_H
      23                 :            : # include <sys/statvfs.h>
      24                 :            : #endif
      25                 :            : #include <stdio.h>
      26                 :            : #include <string.h>
      27                 :            : #include <errno.h>
      28                 :            : 
      29                 :            : void
      30                 :          0 : usage(void)
      31                 :            : {
      32                 :          0 :         fprintf(stderr, "check-setuid [path]\n");
      33                 :          0 :         exit(1);
      34                 :            : }
      35                 :            : 
      36                 :            : int
      37                 :          1 : main(int argc, char **argv)
      38                 :            : {
      39                 :          1 :         const char *path = ".";
      40                 :            :         struct statvfs sb;
      41                 :            : 
      42         [ -  + ]:          1 :         if (argc > 2)
      43                 :          0 :                 usage();
      44         [ +  - ]:          1 :         else if (argc == 2)
      45                 :          1 :                 path = argv[1];
      46                 :            : 
      47         [ -  + ]:          1 :         if (statvfs(path, &sb) != 0) {
      48                 :            :                 /* Don't return an error if the host doesn't support statvfs */
      49         [ #  # ]:          0 :                 if (errno == ENOSYS)
      50                 :            :                         return 0;
      51                 :          0 :                 fprintf(stderr, "statvfs for \"%s\" failed: %s\n",
      52                 :            :                      path, strerror(errno));
      53                 :            :         }
      54                 :          1 :         return (sb.f_flag & ST_NOSUID) ? 1 : 0;
      55                 :            : }
      56                 :            : 
      57                 :            :