appl/fs/fs_listcell.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 /*
  39  * List all the known cells, with servers iff printservers, resolving
  40  * IP addresses to names iff resolve and printing suid status iff
  41  * suid.
  42  */
  43
  44 static int
  45 afs_listcells (int printservers, int resolve, int suid)
  46 {
  47     struct in_addr     addr;
  48     int                i, j;
  49     char               cellname[MAXSIZE];
  50     uint32_t           servers[8];
  51     int                ret;
  52     unsigned           max_servers = sizeof(servers)/sizeof(servers[0]);
  53
  54     for (i = 1;
  55          (ret = fs_getcells (i, servers,
  56                              max_servers,
  57                              cellname, sizeof (cellname))) == 0;
  58          ++i) {
  59         printf ("%s", cellname);
  60
  61         if (printservers) {
  62             printf (": ");
  63
  64             for (j = 0; j < max_servers && servers[j]; ++j) {
  65                 struct hostent  *h = NULL;
  66                 addr.s_addr = servers[j];
  67                 if (resolve)
  68                     h = gethostbyaddr ((const char *) &addr,
  69                                        sizeof(addr),
  70                                        AF_INET);
  71                 if (h == NULL) {
  72                     printf (" %s", inet_ntoa (addr));
  73                 } else {
  74                     printf (" %s", h->h_name);
  75                 }
  76             }
  77         }
  78         if (suid) {
  79             uint32_t status;
  80
  81             ret = fs_getcellstatus (cellname, &status);
  82             if (ret)
  83                 fserr (PROGNAME, ret, NULL);
  84             else {
  85                 if (status & arla_CELLSTATUS_SETUID)
  86                     printf (", suid cell");
  87             }
  88         }
  89         printf (".\n");
  90     }
  91
  92     if (errno != EDOM)
  93         fserr(PROGNAME, errno, NULL);
  94
  95     return 0;
  96 }
  97
  98 int
  99 listcells_cmd (int argc, char **argv)
 100 {
 101     int printhosts = 1;
 102     int resolve = 1;
 103     int printsuid = 0;
 104     int optind = 0;
 105
 106     struct agetargs lcargs[] = {
 107         {"servers", 's', aarg_negative_flag,
 108          NULL,"do not print servers in cell", NULL},
 109         {"resolve",      'r', aarg_negative_flag,
 110          NULL,"do not resolve hostnames", NULL},
 111         {"suid",         'p', aarg_flag,
 112          NULL,"print if cell is suid", NULL },
 113         {NULL,      0, aarg_end, NULL}},
 114                                   *arg;
 115
 116     arg = lcargs;
 117     arg->value = &printhosts;   arg++;
 118     arg->value = &resolve;     arg++;
 119     arg->value = &printsuid;   arg++;
 120
 121     if (agetarg (lcargs, argc, argv, &optind, AARG_AFSSTYLE)) {
 122         aarg_printusage(lcargs, "listcells", NULL, AARG_AFSSTYLE);
 123         return 0;
 124     }
 125
 126     printf ("%d %d %d\n", printhosts, resolve, printsuid);
 127
 128     afs_listcells (printhosts,resolve,printsuid);
 129
 130     return 0;
 131 }
 132
 133 int
 134 suidcells_cmd (int argc, char **argv)
 135 {
 136     afs_listcells (0, 0, 1);
 137
 138     return 0;
 139 }
 140