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/* opieserv.c: Sample OTP server based on the opiechallenge() and
opieverify() library routines.
%%% copyright-cmetz-96
This software is Copyright 1996-1998 by Craig Metz, All Rights Reserved.
The Inner Net License Version 2 applies to this software.
You should have received a copy of the license with this software. If
you didn't get a copy, you may request one from <license@inner.net>.
History:
Modified by cmetz for OPIE 2.3. Send debug info to syslog.
Created by cmetz for OPIE 2.2.
*/
#include "opie_cfg.h"
#include <stdio.h>
#if DEBUG
#include <syslog.h>
#endif /* DEBUG */
#include "opie.h"
int main FUNCTION((argc, argv), int argc AND char *argv[])
{
struct opie opie;
char *principal;
char buffer[1024];
char challenge[OPIE_CHALLENGE_MAX+1];
char response[OPIE_RESPONSE_MAX+1];
int result;
if (argc <= 1) {
fputs("Principal: ", stderr);
if (!opiereadpass(buffer, sizeof(buffer)-1, 1))
fprintf(stderr, "Error reading principal!");
principal = buffer;
} else {
principal = argv[1];
}
#if DEBUG
syslog(LOG_DEBUG, "Principal is +%s+", principal);
#endif /* DEBUG */
switch (result = opiechallenge(&opie, principal, challenge)) {
case -1:
fputs("System error!\n", stderr);
exit(1);
case 0:
break;
case 1:
fputs("User not found!\n", stderr);
exit(1);
case 2:
fputs("System error!\n", stderr);
exit(1);
default:
fprintf(stderr, "Unknown error %d!\n", result);
exit(1);
};
fputs(challenge, stdout);
fputc('\n', stdout);
fflush(stdout);
fputs("Response: ", stderr);
if (!opiereadpass(response, OPIE_RESPONSE_MAX, 1)) {
fputs("Error reading response!\n", stderr);
exit(1);
};
switch (result = opieverify(&opie, response)) {
case -1:
fputs("System error!\n", stderr);
exit(1);
case 0:
fputs("User verified.\n", stderr);
exit(0);
case 1:
fputs("Verify failed!\n", stderr);
exit(1);
default:
fprintf(stderr, "Unknown error %d!\n", result);
exit(1);
}
}
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