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 #include <sys/param.h>
27
28 #include <inttypes.h>
29 #include <netpgp.h>
30 #include <stdio.h>
31 #include <stdlib.h>
32 #include <string.h>
33 #include <unistd.h>
34
35 #include "b64.h"
36 #include "hkpc.h"
37
38 #define DEFAULT_NUMBITS 2048
39
40 #define DEFAULT_HASH_ALG "SHA256"
41
42 int
main(int argc,char ** argv)43 main(int argc, char **argv)
44 {
45 netpgp_t netpgp;
46 char *res;
47 char key[8192];
48 char asc[8192];
49 char server[BUFSIZ];
50 char *cp;
51 int family;
52 int port;
53 int keyc;
54 int ascc;
55 int ok;
56 int i;
57
58 (void) memset(&netpgp, 0x0, sizeof(netpgp));
59 port = 11371;
60 family = 4;
61 (void) snprintf(server, sizeof(server), "localhost");
62 while ((i = getopt(argc, argv, "f:h:p:")) != -1) {
63 switch(i) {
64 case 'f':
65 family = atoi(optarg);
66 break;
67 case 'h':
68 (void) snprintf(server, sizeof(server), optarg);
69 break;
70 case 'p':
71 port = atoi(optarg);
72 break;
73 default:
74 break;
75 }
76 }
77 netpgp_setvar(&netpgp, "ssh keys", "1");
78 netpgp_setvar(&netpgp, "hash", DEFAULT_HASH_ALG);
79 netpgp_set_homedir(&netpgp, getenv("HOME"), "/.ssh", 1);
80 for (ok = 1, i = optind ; i < argc ; i++) {
81 if (!hkpc_get(&res, server, port, family, "get", argv[i])) {
82 (void) fprintf(stderr, "No such key '%s'\n", argv[i]);
83 ok = 0;
84 }
85 if ((keyc = netpgp_write_sshkey(&netpgp, res, argv[i], key, sizeof(key))) <= 0) {
86 (void) fprintf(stderr, "can't netpgp_write_sshkey '%s'\n", argv[i]);
87 ok = 0;
88 }
89 for (cp = &key[keyc - 1] ; cp > key && *cp != ' ' ; --cp) {
90 }
91 if (cp == key) {
92 cp = argv[i];
93 } else {
94 cp += 1;
95 }
96 /* btoa */
97 ascc = b64encode(key, keyc, asc, sizeof(asc), 0xffffffff);
98 /* write to .ssh/id_c0596823.pub */
99 printf("ssh-rsa %.*s %s\n", ascc, asc, cp);
100 }
101 exit((ok) ? EXIT_SUCCESS : EXIT_FAILURE);
102 }
103