appl/fs/fs_whereis.c

   1 /*
   2  * Copyright (c) 1995 - 2001 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #include "fs_local.h"
  35
  36 RCSID("$Id$");
  37
  38 static void
  39 afs_whereis(char *path)
  40 {
  41     struct ViceIoctl a_params;
  42     struct in_addr addr;
  43     int32_t *curptr;
  44     int i=0;
  45
  46     a_params.in_size=0;
  47     a_params.out_size=8*sizeof(int32_t);
  48     a_params.in=NULL;
  49     a_params.out=malloc(8*sizeof(int32_t));
  50
  51     if(a_params.out == NULL) {
  52         printf ("fs: Out of memory\n");
  53         return;
  54     }
  55
  56     if(k_pioctl(path,ARLA_VIOCWHEREIS,&a_params,1)==-1) {
  57         fserr(PROGNAME, errno, path);
  58         free(a_params.out);
  59         return;
  60     }
  61
  62     curptr=(int32_t *) a_params.out;
  63     printf("File %s is on host%s", path, curptr[0]&&curptr[1]?"s":"");
  64
  65     while(curptr[i] && i<8) {
  66         struct hostent *h;
  67         addr.s_addr = curptr[i];
  68         h=gethostbyaddr((const char *) &addr, sizeof(addr), AF_INET);
  69         if (h == NULL)
  70             printf (" %s", inet_ntoa (addr));
  71         else {
  72             printf(" %s", h->h_name);
  73         }
  74         i++;
  75     }
  76     printf("\n");
  77     free(a_params.out);
  78 }
  79
  80 int
  81 whereis_cmd (int argc, char **argv)
  82 {
  83     argc--;
  84     argv++;
  85     if (argc == 0)
  86         afs_whereis (".");
  87     else
  88         afs_whereis (argv[0]);
  89
  90     return 0;
  91 }
  92