src/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 // Translation
  14 #include <libintl.h>
  15 #define _(x) dgettext("setup", x)
  16
  17 #include "setup.h"
  18
  19 extern FILE *flog;
  20 extern char *mylog;
  21
  22 extern int automode;
  23
  24 int handlehostname(void)
  25 {
  26         char hostname[STRING_SIZE] = "";
  27         struct keyvalue *kv = initkeyvalues();
  28         char *values[] = { hostname, NULL };    /* pointers for the values. */
  29         struct newtWinEntry entries[] =
  30                 { { "", &values[0], 0,}, { NULL, NULL, 0 } };
  31         int rc;
  32         int result;
  33
  34         if (!(readkeyvalues(kv, CONFIG_ROOT "/main/settings")))
  35         {
  36                 freekeyvalues(kv);
  37                 errorbox(_("Unable to open settings file"));
  38                 return 0;
  39         }
  40
  41         strcpy(hostname, SNAME);
  42         findkey(kv, "HOSTNAME", hostname);
  43
  44         for (;;)
  45         {
  46                 rc = newtWinEntries(_("Hostname"), _("Enter the machine's hostname."),
  47                         50, 5, 5, 40, entries, _("OK"), _("Cancel"), NULL);
  48
  49                 if (rc == 1)
  50                 {
  51                         strcpy(hostname, values[0]);
  52                         if (!(strlen(hostname)))
  53                                 errorbox(_("Hostname cannot be empty."));
  54                         else if (strchr(hostname, ' '))
  55                                 errorbox(_("Hostname cannot contain spaces."));
  56                         else if (strlen(hostname) != strspn(hostname,
  57                                 "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-"))
  58                                 errorbox(_("Hostname may only contain letters, numbers and hyphens."));
  59                         else
  60                         {
  61                                 replacekeyvalue(kv, "HOSTNAME", hostname);
  62                                 writekeyvalues(kv, CONFIG_ROOT "/main/settings");
  63                                 writehostsfiles();
  64                                 result = 1;
  65                                 break;
  66                         }
  67                 }
  68                 else
  69                 {
  70                         result = 0;
  71                         break;
  72                 }
  73         }
  74         free(values[0]);
  75         freekeyvalues(kv);
  76
  77         return result;
  78 }