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89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
/* opiegen.c: Sample OTP generator based on the opiegenerator()
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library routine.
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%%% portions-copyright-cmetz-96
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Portions of this software are Copyright 1996-1999 by Craig Metz, All Rights
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Reserved. The Inner Net License Version 2 applies to these portions of
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the software.
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You should have received a copy of the license with this software. If
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you didn't get a copy, you may request one from <license@inner.net>.
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History:
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Modified by cmetz for OPIE 2.3. OPIE_PASS_MAX changed to
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OPIE_SECRET_MAX. Send debug info to syslog.
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Modified by cmetz for OPIE 2.2. Use FUNCTION definition et al.
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Fixed include order.
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Created at NRL for OPIE 2.2.
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*/
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#include "opie_cfg.h"
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#include <stdio.h>
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#if DEBUG
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#include <syslog.h>
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#endif /* DEBUG */
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#include "opie.h"
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int main FUNCTION((argc, argv), int argc AND char *argv[])
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{
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char buffer[OPIE_CHALLENGE_MAX+1];
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char secret[OPIE_SECRET_MAX+1];
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char response[OPIE_RESPONSE_MAX+1];
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int result;
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if (opieinsecure()) {
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fputs("Sorry, but you don't seem to be on a secure terminal.\n", stderr);
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#if !DEBUG
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exit(1);
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#endif /* !DEBUG */
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}
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if (argc <= 1) {
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fputs("Challenge: ", stderr);
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if (!opiereadpass(buffer, sizeof(buffer)-1, 1))
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fprintf(stderr, "Error reading challenge!");
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} else {
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char *ap, *ep, *c;
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int i;
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ep = buffer + sizeof(buffer) - 1;
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for (i = 1, ap = buffer; (i < argc) && (ap < ep); i++) {
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c = argv[i];
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while ((*(ap++) = *(c++)) && (ap < ep));
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*(ap - 1) = ' ';
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}
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*(ap - 1) = 0;
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#if DEBUG
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syslog(LOG_DEBUG, "opiegen: challenge is +%s+\n", buffer);
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#endif /* DEBUG */
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}
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buffer[sizeof(buffer)-1] = 0;
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fputs("Secret pass phrase: ", stderr);
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if (!opiereadpass(secret, OPIE_SECRET_MAX, 0)) {
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fputs("Error reading secret pass phrase!\n", stderr);
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exit(1);
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};
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switch (result = opiegenerator(buffer, secret, response)) {
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case -2:
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fputs("Not a valid OTP secret pass phrase.\n", stderr);
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break;
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case -1:
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fputs("Error processing challenge!\n", stderr);
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break;
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case 1:
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fputs("Not a valid OTP challenge.\n", stderr);
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break;
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case 0:
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fputs(response, stdout);
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fputc('\n', stdout);
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fflush(stdout);
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memset(secret, 0, sizeof(secret));
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exit(0);
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default:
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fprintf(stderr, "Unknown error %d!\n", result);
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}
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memset(secret, 0, sizeof(secret));
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return 1;
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}
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