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c1cb7bae | 1 | /* $OpenBSD: auth-skey.c,v 1.23 2006/03/25 13:17:01 djm Exp $ */ |
bf093080 | 2 | /* |
3 | * Copyright (c) 2001 Markus Friedl. 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 "includes.h" | |
bf093080 | 26 | |
27 | #ifdef SKEY | |
28 | ||
29 | #include <skey.h> | |
30 | ||
31 | #include "xmalloc.h" | |
32 | #include "auth.h" | |
1853d1ef | 33 | #include "monitor_wrap.h" |
bf093080 | 34 | |
35 | static void * | |
36 | skey_init_ctx(Authctxt *authctxt) | |
37 | { | |
38 | return authctxt; | |
39 | } | |
40 | ||
69538b0c | 41 | int |
184eed6a | 42 | skey_query(void *ctx, char **name, char **infotxt, |
bf093080 | 43 | 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 | ||
d1cf9a87 | 50 | if (_compat_skeychallenge(&skey, authctxt->user, challenge, |
f2b7b5c8 | 51 | sizeof(challenge)) == -1) |
bf093080 | 52 | return -1; |
53 | ||
7203d6bb | 54 | *name = xstrdup(""); |
55 | *infotxt = xstrdup(""); | |
bf093080 | 56 | *numprompts = 1; |
52e3daed | 57 | *prompts = xcalloc(*numprompts, sizeof(char *)); |
58 | *echo_on = xcalloc(*numprompts, sizeof(u_int)); | |
bf093080 | 59 | |
52e3daed | 60 | xasprintf(*prompts, "%s%s", challenge, SKEY_PROMPT); |
bf093080 | 61 | |
62 | return 0; | |
63 | } | |
64 | ||
69538b0c | 65 | int |
bf093080 | 66 | skey_respond(void *ctx, u_int numresponses, char **responses) |
67 | { | |
68 | Authctxt *authctxt = ctx; | |
184eed6a | 69 | |
bf093080 | 70 | if (authctxt->valid && |
184eed6a | 71 | numresponses == 1 && |
bf093080 | 72 | skey_haskey(authctxt->pw->pw_name) == 0 && |
73 | skey_passcheck(authctxt->pw->pw_name, responses[0]) != -1) | |
74 | return 0; | |
75 | return -1; | |
76 | } | |
77 | ||
78 | static void | |
79 | skey_free_ctx(void *ctx) | |
80 | { | |
81 | /* we don't have a special context */ | |
82 | } | |
83 | ||
84 | KbdintDevice skey_device = { | |
85 | "skey", | |
86 | skey_init_ctx, | |
87 | skey_query, | |
88 | skey_respond, | |
89 | skey_free_ctx | |
90 | }; | |
1853d1ef | 91 | |
92 | KbdintDevice mm_skey_device = { | |
93 | "skey", | |
94 | skey_init_ctx, | |
95 | mm_skey_query, | |
96 | mm_skey_respond, | |
97 | skey_free_ctx | |
98 | }; | |
bf093080 | 99 | #endif /* SKEY */ |