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Diffstat (limited to 'auth-bsdauth.c')
-rw-r--r-- | auth-bsdauth.c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/auth-bsdauth.c b/auth-bsdauth.c new file mode 100644 index 000000000..3732477de --- /dev/null +++ b/auth-bsdauth.c | |||
@@ -0,0 +1,116 @@ | |||
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-bsdauth.c,v 1.1 2001/05/18 14:13:28 markus Exp $"); | ||
26 | |||
27 | #ifdef BSD_AUTH | ||
28 | #include "xmalloc.h" | ||
29 | #include "auth.h" | ||
30 | #include "log.h" | ||
31 | |||
32 | static void * | ||
33 | bsdauth_init_ctx(Authctxt *authctxt) | ||
34 | { | ||
35 | return authctxt; | ||
36 | } | ||
37 | |||
38 | static int | ||
39 | bsdauth_query(void *ctx, char **name, char **infotxt, | ||
40 | u_int *numprompts, char ***prompts, u_int **echo_on) | ||
41 | { | ||
42 | Authctxt *authctxt = ctx; | ||
43 | char *challenge = NULL; | ||
44 | |||
45 | if (authctxt->as != NULL) { | ||
46 | debug2("bsdauth_query: try reuse session"); | ||
47 | challenge = auth_getitem(authctxt->as, AUTHV_CHALLENGE); | ||
48 | if (challenge == NULL) { | ||
49 | auth_close(authctxt->as); | ||
50 | authctxt->as = NULL; | ||
51 | } | ||
52 | } | ||
53 | |||
54 | if (challenge == NULL) { | ||
55 | debug2("bsdauth_query: new bsd auth session"); | ||
56 | debug3("bsdauth_query: style %s", | ||
57 | authctxt->style ? authctxt->style : "<default>"); | ||
58 | authctxt->as = auth_userchallenge(authctxt->user, | ||
59 | authctxt->style, "auth-ssh", &challenge); | ||
60 | if (authctxt->as == NULL) | ||
61 | challenge = NULL; | ||
62 | debug2("bsdauth_query: <%s>", challenge ? challenge : "empty"); | ||
63 | } | ||
64 | |||
65 | if (challenge == NULL) | ||
66 | return -1; | ||
67 | |||
68 | *name = xstrdup(""); | ||
69 | *infotxt = xstrdup(""); | ||
70 | *numprompts = 1; | ||
71 | *prompts = xmalloc(*numprompts * sizeof(char*)); | ||
72 | *echo_on = xmalloc(*numprompts * sizeof(u_int)); | ||
73 | (*echo_on)[0] = 0; | ||
74 | (*prompts)[0] = xstrdup(challenge); | ||
75 | |||
76 | return 0; | ||
77 | } | ||
78 | |||
79 | static int | ||
80 | bsdauth_respond(void *ctx, u_int numresponses, char **responses) | ||
81 | { | ||
82 | Authctxt *authctxt = ctx; | ||
83 | int authok; | ||
84 | |||
85 | if (authctxt->as == 0) | ||
86 | error("bsdauth_respond: no bsd auth session"); | ||
87 | |||
88 | if (numresponses != 1) | ||
89 | return -1; | ||
90 | |||
91 | authok = auth_userresponse(authctxt->as, responses[0], 0); | ||
92 | authctxt->as = NULL; | ||
93 | debug3("bsdauth_respond: <%s> = <%d>", responses[0], authok); | ||
94 | |||
95 | return (authok == 0) ? -1 : 0; | ||
96 | } | ||
97 | |||
98 | static void | ||
99 | bsdauth_free_ctx(void *ctx) | ||
100 | { | ||
101 | Authctxt *authctxt = ctx; | ||
102 | |||
103 | if (authctxt && authctxt->as) { | ||
104 | auth_close(authctxt->as); | ||
105 | authctxt->as = NULL; | ||
106 | } | ||
107 | } | ||
108 | |||
109 | KbdintDevice bsdauth_device = { | ||
110 | "bsdauth", | ||
111 | bsdauth_init_ctx, | ||
112 | bsdauth_query, | ||
113 | bsdauth_respond, | ||
114 | bsdauth_free_ctx | ||
115 | }; | ||
116 | #endif | ||