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