diff options
Diffstat (limited to 'auth-skey.c')
-rw-r--r-- | auth-skey.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/auth-skey.c b/auth-skey.c new file mode 100644 index 000000000..f921fc1bb --- /dev/null +++ b/auth-skey.c | |||
@@ -0,0 +1,97 @@ | |||
1 | /* | ||
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" | ||
25 | RCSID("$OpenBSD: auth-skey.c,v 1.12 2001/05/18 14:13:28 markus Exp $"); | ||
26 | |||
27 | #ifdef SKEY | ||
28 | |||
29 | #include <skey.h> | ||
30 | |||
31 | #include "xmalloc.h" | ||
32 | #include "auth.h" | ||
33 | |||
34 | static void * | ||
35 | skey_init_ctx(Authctxt *authctxt) | ||
36 | { | ||
37 | return authctxt; | ||
38 | } | ||
39 | |||
40 | #define PROMPT "\nS/Key Password: " | ||
41 | |||
42 | static int | ||
43 | skey_query(void *ctx, char **name, char **infotxt, | ||
44 | u_int* numprompts, char ***prompts, u_int **echo_on) | ||
45 | { | ||
46 | Authctxt *authctxt = ctx; | ||
47 | char challenge[1024], *p; | ||
48 | int len; | ||
49 | struct skey skey; | ||
50 | |||
51 | if (skeychallenge(&skey, authctxt->user, challenge) == -1) | ||
52 | return -1; | ||
53 | |||
54 | *name = xstrdup(""); | ||
55 | *infotxt = xstrdup(""); | ||
56 | *numprompts = 1; | ||
57 | *prompts = xmalloc(*numprompts * sizeof(char*)); | ||
58 | *echo_on = xmalloc(*numprompts * sizeof(u_int)); | ||
59 | (*echo_on)[0] = 0; | ||
60 | |||
61 | len = strlen(challenge) + strlen(PROMPT) + 1; | ||
62 | p = xmalloc(len); | ||
63 | p[0] = '\0'; | ||
64 | strlcat(p, challenge, len); | ||
65 | strlcat(p, PROMPT, len); | ||
66 | (*prompts)[0] = p; | ||
67 | |||
68 | return 0; | ||
69 | } | ||
70 | |||
71 | static int | ||
72 | skey_respond(void *ctx, u_int numresponses, char **responses) | ||
73 | { | ||
74 | Authctxt *authctxt = ctx; | ||
75 | |||
76 | if (authctxt->valid && | ||
77 | numresponses == 1 && | ||
78 | skey_haskey(authctxt->pw->pw_name) == 0 && | ||
79 | skey_passcheck(authctxt->pw->pw_name, responses[0]) != -1) | ||
80 | return 0; | ||
81 | return -1; | ||
82 | } | ||
83 | |||
84 | static void | ||
85 | skey_free_ctx(void *ctx) | ||
86 | { | ||
87 | /* we don't have a special context */ | ||
88 | } | ||
89 | |||
90 | KbdintDevice skey_device = { | ||
91 | "skey", | ||
92 | skey_init_ctx, | ||
93 | skey_query, | ||
94 | skey_respond, | ||
95 | skey_free_ctx | ||
96 | }; | ||
97 | #endif /* SKEY */ | ||