mirror of
https://github.com/cryb-to/cryb-otp.git
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be6f32b5bd
It is not yet capable of handling OTP requests, but all the elements are there: it can receive and decode Access-Request messages and respond with either Access-Accept or Access-Reject. All that remains is to refactor the guts of otpkey into libotp and plug them into otpradiusd.
134 lines
3.2 KiB
C
134 lines
3.2 KiB
C
/*-
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* Copyright (c) 2017 Dag-Erling Smørgrav
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "cryb/impl.h"
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#include <sys/socket.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <cryb/oath.h>
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#include <cryb/otp.h>
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#include "otpradiusd.h"
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void
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print_hex(const void *data, size_t len, size_t off)
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{
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const uint8_t *bytes = data;
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size_t beg, end, pos;
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beg = off;
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off -= off % 16;
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end = ((beg + len + 15) / 16) * 16;
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pos = off;
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while (pos < end) {
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if (pos % 16 == 0)
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fprintf(stderr, "%08zu |", pos);
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else if (pos % 8 == 0)
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fprintf(stderr, " .");
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else if (pos % 4 == 0)
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fprintf(stderr, " ");
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if (pos >= beg && pos < beg + len) {
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#if 0
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if (*bytes > 32 && *bytes < 127)
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fprintf(stderr, " %c", *bytes);
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else
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#endif
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fprintf(stderr, " %02x", *bytes);
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bytes++;
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} else {
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fprintf(stderr, " ");
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}
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pos++;
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if (pos % 16 == 0)
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fprintf(stderr, " |\n");
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}
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}
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static void
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usage(void)
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{
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fprintf(stderr,
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"usage: otpradiusd [-46d] [-l host[:port]] [-s secret]\n");
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exit(1);
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}
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int
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main(int argc, char *argv[])
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{
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const char *laddrv[argc];
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unsigned int i, laddrc;
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int ipv, opt;
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ipv = 0;
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laddrc = 0;
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while ((opt = getopt(argc, argv, "46dl:s:")) != -1)
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switch (opt) {
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case '4':
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case '6':
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ipv |= 1 << (opt - '0');
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break;
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case 'd':
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/* nothing */
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break;
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case 'l':
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laddrv[laddrc++] = optarg;
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break;
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case 's':
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rad_secret = optarg;
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rad_secret_len = strlen(optarg);
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break;
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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if (argc > 0)
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usage();
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if (ipv == 0)
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ipv = 1 << 4 | 1 << 6;
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if (laddrc == 0)
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laddrv[laddrc++] = "*:radius";
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for (i = 0; i < laddrc; i++)
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if (add_listener(laddrv[i], ipv) < 0)
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exit(1);
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dispatch();
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exit(0);
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}
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