1*ebfedea0SLionel Sambuc /*-
2*ebfedea0SLionel Sambuc * Copyright (c) 2010 Alistair Crooks <agc@NetBSD.org>
3*ebfedea0SLionel Sambuc * All rights reserved.
4*ebfedea0SLionel Sambuc *
5*ebfedea0SLionel Sambuc * Redistribution and use in source and binary forms, with or without
6*ebfedea0SLionel Sambuc * modification, are permitted provided that the following conditions
7*ebfedea0SLionel Sambuc * are met:
8*ebfedea0SLionel Sambuc * 1. Redistributions of source code must retain the above copyright
9*ebfedea0SLionel Sambuc * notice, this list of conditions and the following disclaimer.
10*ebfedea0SLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
11*ebfedea0SLionel Sambuc * notice, this list of conditions and the following disclaimer in the
12*ebfedea0SLionel Sambuc * documentation and/or other materials provided with the distribution.
13*ebfedea0SLionel Sambuc *
14*ebfedea0SLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15*ebfedea0SLionel Sambuc * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16*ebfedea0SLionel Sambuc * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17*ebfedea0SLionel Sambuc * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18*ebfedea0SLionel Sambuc * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19*ebfedea0SLionel Sambuc * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20*ebfedea0SLionel Sambuc * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21*ebfedea0SLionel Sambuc * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22*ebfedea0SLionel Sambuc * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23*ebfedea0SLionel Sambuc * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24*ebfedea0SLionel Sambuc */
25*ebfedea0SLionel Sambuc #include <sys/types.h>
26*ebfedea0SLionel Sambuc
27*ebfedea0SLionel Sambuc #include <netdb.h>
28*ebfedea0SLionel Sambuc
29*ebfedea0SLionel Sambuc #include <netpgp.h>
30*ebfedea0SLionel Sambuc #include <regex.h>
31*ebfedea0SLionel Sambuc #include <sha1.h>
32*ebfedea0SLionel Sambuc #include <stdio.h>
33*ebfedea0SLionel Sambuc #include <stdlib.h>
34*ebfedea0SLionel Sambuc #include <string.h>
35*ebfedea0SLionel Sambuc #include <time.h>
36*ebfedea0SLionel Sambuc #include <unistd.h>
37*ebfedea0SLionel Sambuc
38*ebfedea0SLionel Sambuc #include "libpaa.h"
39*ebfedea0SLionel Sambuc
40*ebfedea0SLionel Sambuc #define DEFAULT_HASH_ALG "SHA256"
41*ebfedea0SLionel Sambuc
42*ebfedea0SLionel Sambuc int
main(int argc,char ** argv)43*ebfedea0SLionel Sambuc main(int argc, char **argv)
44*ebfedea0SLionel Sambuc {
45*ebfedea0SLionel Sambuc paa_response_t response;
46*ebfedea0SLionel Sambuc netpgp_t netpgp;
47*ebfedea0SLionel Sambuc char challenge[2048];
48*ebfedea0SLionel Sambuc char buf[2048];
49*ebfedea0SLionel Sambuc int challengec;
50*ebfedea0SLionel Sambuc int cc;
51*ebfedea0SLionel Sambuc int i;
52*ebfedea0SLionel Sambuc
53*ebfedea0SLionel Sambuc (void) memset(&response, 0x0, sizeof(response));
54*ebfedea0SLionel Sambuc (void) memset(&netpgp, 0x0, sizeof(netpgp));
55*ebfedea0SLionel Sambuc while ((i = getopt(argc, argv, "S:d:r:u:")) != -1) {
56*ebfedea0SLionel Sambuc switch(i) {
57*ebfedea0SLionel Sambuc case 'S':
58*ebfedea0SLionel Sambuc netpgp_setvar(&netpgp, "ssh keys", "1");
59*ebfedea0SLionel Sambuc netpgp_setvar(&netpgp, "sshkeyfile", optarg);
60*ebfedea0SLionel Sambuc break;
61*ebfedea0SLionel Sambuc case 'd':
62*ebfedea0SLionel Sambuc //challenge.domain = optarg;
63*ebfedea0SLionel Sambuc break;
64*ebfedea0SLionel Sambuc case 'r':
65*ebfedea0SLionel Sambuc //challenge.realm = optarg;
66*ebfedea0SLionel Sambuc response.realm = optarg;
67*ebfedea0SLionel Sambuc break;
68*ebfedea0SLionel Sambuc case 'u':
69*ebfedea0SLionel Sambuc netpgp_setvar(&netpgp, "userid", optarg);
70*ebfedea0SLionel Sambuc break;
71*ebfedea0SLionel Sambuc }
72*ebfedea0SLionel Sambuc }
73*ebfedea0SLionel Sambuc netpgp_setvar(&netpgp, "hash", DEFAULT_HASH_ALG);
74*ebfedea0SLionel Sambuc netpgp_setvar(&netpgp, "need seckey", "1");
75*ebfedea0SLionel Sambuc netpgp_setvar(&netpgp, "need userid", "1");
76*ebfedea0SLionel Sambuc netpgp_set_homedir(&netpgp, getenv("HOME"),
77*ebfedea0SLionel Sambuc netpgp_getvar(&netpgp, "ssh keys") ? "/.ssh" : "/.gnupg", 1);
78*ebfedea0SLionel Sambuc if (!netpgp_init(&netpgp)) {
79*ebfedea0SLionel Sambuc (void) fprintf(stderr, "can't initialise netpgp\n");
80*ebfedea0SLionel Sambuc exit(EXIT_FAILURE);
81*ebfedea0SLionel Sambuc }
82*ebfedea0SLionel Sambuc /* read challenge into challenge */
83*ebfedea0SLionel Sambuc challengec = read(0, challenge, sizeof(challenge));
84*ebfedea0SLionel Sambuc cc = paa_format_response(&response, &netpgp, challenge, buf, sizeof(buf));
85*ebfedea0SLionel Sambuc write(1, buf, cc);
86*ebfedea0SLionel Sambuc exit(EXIT_SUCCESS);
87*ebfedea0SLionel Sambuc }
88