src/install+setup/setup/hostname.c

   1 /* SmoothWall setup program.
   2  *
   3  * This program is distributed under the terms of the GNU General Public
   4  * Licence.  See the file COPYING for details.
   5  *
   6  * (c) Lawrence Manning, 2001
   7  * Stuff for setting the hostname.
   8  *
   9  * $Id: hostname.c,v 1.6.2.1 2004/04/14 22:05:41 gespinasse Exp $
  10  *
  11  */
  12
  13 #include "setup.h"
  14
  15 extern FILE *flog;
  16 extern char *mylog;
  17
  18 extern char **ctr;
  19
  20 extern int automode;
  21
  22 int handlehostname(void)
  23 {
  24         char hostname[STRING_SIZE] = "";
  25         struct keyvalue *kv = initkeyvalues();
  26         char *values[] = { hostname, NULL };    /* pointers for the values. */
  27         struct newtWinEntry entries[] =
  28                 { { "", &values[0], 0,}, { NULL, NULL, 0 } };
  29         int rc;
  30         int result;
  31
  32         if (!(readkeyvalues(kv, CONFIG_ROOT "/main/settings")))
  33         {
  34                 freekeyvalues(kv);
  35                 errorbox(ctr[TR_UNABLE_TO_OPEN_SETTINGS_FILE]);
  36                 return 0;
  37         }
  38
  39         strcpy(hostname, SNAME);
  40         findkey(kv, "HOSTNAME", hostname);
  41
  42         for (;;)
  43         {
  44                 rc = newtWinEntries(ctr[TR_HOSTNAME], ctr[TR_ENTER_HOSTNAME],
  45                         50, 5, 5, 40, entries, ctr[TR_OK], ctr[TR_CANCEL], NULL);
  46
  47                 if (rc == 1)
  48                 {
  49                         strcpy(hostname, values[0]);
  50                         if (!(strlen(hostname)))
  51                                 errorbox(ctr[TR_HOSTNAME_CANNOT_BE_EMPTY]);
  52                         else if (strchr(hostname, ' '))
  53                                 errorbox(ctr[TR_HOSTNAME_CANNOT_CONTAIN_SPACES]);
  54                         else if (strlen(hostname) != strspn(hostname,
  55                                 "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-"))
  56                                 errorbox(ctr[TR_HOSTNAME_NOT_VALID_CHARS]);
  57                         else
  58                         {
  59                                 replacekeyvalue(kv, "HOSTNAME", hostname);
  60                                 writekeyvalues(kv, CONFIG_ROOT "/main/settings");
  61                                 writehostsfiles();
  62                                 result = 1;
  63                                 break;
  64                         }
  65                 }
  66                 else
  67                 {
  68                         result = 0;
  69                         break;
  70                 }
  71         }
  72         free(values[0]);
  73         freekeyvalues(kv);
  74
  75         return result;
  76 }