blob: ac1af69ed917473b147c05bff3b78bbb65ccfeaf [file] [log] [blame]
Ben Lindstromd1aed9c2001-06-10 00:41:18 +00001/*
2 * Copyright (c) 2001 Markus Friedl. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24#include "includes.h"
Ben Lindstroma962c2f2002-07-04 00:14:17 +000025RCSID("$OpenBSD: auth-skey.c,v 1.20 2002/06/30 21:59:45 deraadt Exp $");
Ben Lindstromd1aed9c2001-06-10 00:41:18 +000026
27#ifdef SKEY
28
29#include <skey.h>
30
31#include "xmalloc.h"
32#include "auth.h"
Ben Lindstrom7a2073c2002-03-22 02:30:41 +000033#include "monitor_wrap.h"
Ben Lindstromd1aed9c2001-06-10 00:41:18 +000034
35static void *
36skey_init_ctx(Authctxt *authctxt)
37{
38 return authctxt;
39}
40
Ben Lindstrom58d4daf2002-05-15 16:14:36 +000041int
Damien Miller9f0f5c62001-12-21 14:45:46 +110042skey_query(void *ctx, char **name, char **infotxt,
Ben Lindstromd1aed9c2001-06-10 00:41:18 +000043 u_int* numprompts, char ***prompts, u_int **echo_on)
44{
45 Authctxt *authctxt = ctx;
46 char challenge[1024], *p;
47 int len;
48 struct skey skey;
49
Darren Tucker06a8cfe2004-04-14 17:24:30 +100050 if (_compat_skeychallenge(&skey, authctxt->user, challenge,
51 sizeof(challenge)) == -1)
Ben Lindstromd1aed9c2001-06-10 00:41:18 +000052 return -1;
53
Ben Lindstromcb72e4f2002-06-21 00:41:51 +000054 *name = xstrdup("");
55 *infotxt = xstrdup("");
Ben Lindstromd1aed9c2001-06-10 00:41:18 +000056 *numprompts = 1;
Ben Lindstroma962c2f2002-07-04 00:14:17 +000057 *prompts = xmalloc(*numprompts * sizeof(char *));
Ben Lindstromd1aed9c2001-06-10 00:41:18 +000058 *echo_on = xmalloc(*numprompts * sizeof(u_int));
59 (*echo_on)[0] = 0;
60
Ben Lindstrom7a2073c2002-03-22 02:30:41 +000061 len = strlen(challenge) + strlen(SKEY_PROMPT) + 1;
Ben Lindstromd1aed9c2001-06-10 00:41:18 +000062 p = xmalloc(len);
Damien Millerdf224032002-01-22 23:25:46 +110063 strlcpy(p, challenge, len);
Ben Lindstrom7a2073c2002-03-22 02:30:41 +000064 strlcat(p, SKEY_PROMPT, len);
Ben Lindstromd1aed9c2001-06-10 00:41:18 +000065 (*prompts)[0] = p;
66
67 return 0;
68}
69
Ben Lindstrom58d4daf2002-05-15 16:14:36 +000070int
Ben Lindstromd1aed9c2001-06-10 00:41:18 +000071skey_respond(void *ctx, u_int numresponses, char **responses)
72{
73 Authctxt *authctxt = ctx;
Damien Miller9f0f5c62001-12-21 14:45:46 +110074
Ben Lindstromd1aed9c2001-06-10 00:41:18 +000075 if (authctxt->valid &&
Damien Miller9f0f5c62001-12-21 14:45:46 +110076 numresponses == 1 &&
Ben Lindstromd1aed9c2001-06-10 00:41:18 +000077 skey_haskey(authctxt->pw->pw_name) == 0 &&
78 skey_passcheck(authctxt->pw->pw_name, responses[0]) != -1)
79 return 0;
80 return -1;
81}
82
83static void
84skey_free_ctx(void *ctx)
85{
86 /* we don't have a special context */
87}
88
89KbdintDevice skey_device = {
90 "skey",
91 skey_init_ctx,
92 skey_query,
93 skey_respond,
94 skey_free_ctx
95};
Ben Lindstrom7a2073c2002-03-22 02:30:41 +000096
97KbdintDevice mm_skey_device = {
98 "skey",
99 skey_init_ctx,
100 mm_skey_query,
101 mm_skey_respond,
102 skey_free_ctx
103};
Ben Lindstromd1aed9c2001-06-10 00:41:18 +0000104#endif /* SKEY */