appl/fs/fs_mkm.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 int
  39 mkmount_cmd (int argc, char **argv)
  40 {
  41     char  buf[MAXSIZE];
  42     char prefix;
  43     char *dirname = NULL;
  44     char *volname = NULL;
  45     char *cell = NULL;
  46     int rwflag = 0;
  47     int helpflag = 0;
  48     int optind = 0;
  49
  50     struct agetargs mkmargs[] = {
  51         {"dir",     0, aarg_string, NULL, "mount point directory name",
  52          "directory", aarg_mandatory},
  53         {"vol",     0, aarg_string, NULL, "volume to mount",
  54          "volume",    aarg_mandatory},
  55         {"cell",    0, aarg_string, NULL, "cell of volume",
  56          "cell",      aarg_optional_swless},
  57         {"rw",      0, aarg_flag, NULL, "mount read-write", NULL},
  58         {"help",    0, aarg_flag, NULL, NULL, NULL},
  59         {NULL,      0, aarg_end,  NULL}}, *arg;
  60
  61     arg = mkmargs;
  62     arg->value = &dirname; arg++;
  63     arg->value = &volname; arg++;
  64     arg->value = &cell; arg++;
  65     arg->value = &rwflag; arg++;
  66     arg->value = &helpflag; arg++;
  67
  68     if (agetarg (mkmargs, argc, argv, &optind, AARG_AFSSTYLE)) {
  69         aarg_printusage(mkmargs, "fs mkmount", "", AARG_AFSSTYLE);
  70         return 0;
  71     }
  72
  73     argc -= optind;
  74     argv += optind;
  75
  76     if (argc) {
  77         printf("unknown option %s\n", *argv);
  78         return 0;
  79     }
  80
  81     if (rwflag)
  82         prefix = '%';
  83     else
  84         prefix = '#';
  85     if (cell)
  86         snprintf(buf, sizeof(buf), "%c%s:%s.", prefix, cell, volname);
  87     else
  88         snprintf(buf, sizeof(buf), "%c%s.", prefix, volname);
  89
  90     if (symlink (buf, dirname) == -1) {
  91         perror ("fs");
  92         return 0;
  93     }
  94
  95     return 0;
  96 }