contrib/opie/opieserv.c

   1 /* opieserv.c: Sample OTP server based on the opiechallenge() and
   2                opieverify() library routines.
   3
   4 %%% copyright-cmetz-96
   5 This software is Copyright 1996-2001 by Craig Metz, All Rights Reserved.
   6 The Inner Net License Version 3 applies to this software.
   7 You should have received a copy of the license with this software. If
   8 you didn't get a copy, you may request one from <license@inner.net>.
   9
  10         History:
  11
  12         Modified by cmetz for OPIE 2.3. Send debug info to syslog.
  13         Created by cmetz for OPIE 2.2.
  14 */
  15 #include "opie_cfg.h"
  16 #include <stdio.h>
  17 #if DEBUG
  18 #include <syslog.h>
  19 #endif /* DEBUG */
  20 #include "opie.h"
  21
  22 int main FUNCTION((argc, argv), int argc AND char *argv[])
  23 {
  24         struct opie opie;
  25         char *principal;
  26         char buffer[1024];
  27         char challenge[OPIE_CHALLENGE_MAX+1];
  28         char response[OPIE_RESPONSE_MAX+1];
  29         int result;
  30
  31         if (argc <= 1) {
  32                 fputs("Principal: ", stderr);
  33                 if (!opiereadpass(buffer, sizeof(buffer)-1, 1))
  34                   fprintf(stderr, "Error reading principal!");
  35                 principal = buffer;
  36         } else {
  37                 principal = argv[1];
  38         }
  39 #if DEBUG
  40         syslog(LOG_DEBUG, "Principal is +%s+", principal);
  41 #endif /* DEBUG */
  42
  43         switch (result = opiechallenge(&opie, principal, challenge)) {
  44                 case -1:
  45                         fputs("System error!\n", stderr);
  46                         exit(1);
  47                 case 0:
  48                         break;
  49                 case 1:
  50                         fputs("User not found!\n", stderr);
  51                         exit(1);
  52                 case 2:
  53                         fputs("System error!\n", stderr);
  54                         exit(1);
  55                 default:
  56                         fprintf(stderr, "Unknown error %d!\n", result);
  57                         exit(1);
  58         };
  59
  60         fputs(challenge, stdout);
  61         fputc('\n', stdout);
  62         fflush(stdout);
  63         fputs("Response: ", stderr);
  64         if (!opiereadpass(response, OPIE_RESPONSE_MAX, 1)) {
  65           fputs("Error reading response!\n", stderr);
  66           exit(1);
  67         };
  68
  69         switch (result = opieverify(&opie, response)) {
  70                 case -1:
  71                         fputs("System error!\n", stderr);
  72                         exit(1);
  73                 case 0:
  74                         fputs("User verified.\n", stderr);
  75                         exit(0);
  76                 case 1:
  77                         fputs("Verify failed!\n", stderr);
  78                         exit(1);
  79                 default:
  80                         fprintf(stderr, "Unknown error %d!\n", result);
  81                         exit(1);
  82         }
  83 }