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1 | /* | |
2 | * Copyright (c) 2002 Chris Adams. 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 | ||
25 | #include "includes.h" | |
26 | ||
27 | #ifdef HAVE_OSF_SIA | |
28 | #include "ssh.h" | |
29 | #include "auth.h" | |
30 | #include "auth-sia.h" | |
31 | #include "log.h" | |
32 | #include "servconf.h" | |
33 | #include "canohost.h" | |
34 | #include "uidswap.h" | |
35 | ||
36 | #include <sia.h> | |
37 | #include <siad.h> | |
38 | #include <pwd.h> | |
39 | #include <signal.h> | |
40 | #include <setjmp.h> | |
41 | #include <sys/resource.h> | |
42 | #include <unistd.h> | |
43 | #include <string.h> | |
44 | ||
45 | extern ServerOptions options; | |
46 | extern int saved_argc; | |
47 | extern char **saved_argv; | |
48 | ||
49 | int | |
50 | sys_auth_passwd(Authctxt *authctxt, const char *pass) | |
51 | { | |
52 | int ret; | |
53 | SIAENTITY *ent = NULL; | |
54 | const char *host; | |
55 | ||
56 | host = get_canonical_hostname(options.use_dns); | |
57 | ||
58 | if (!authctxt->user || pass == NULL || pass[0] == '\0') | |
59 | return (0); | |
60 | ||
61 | if (sia_ses_init(&ent, saved_argc, saved_argv, host, authctxt->user, | |
62 | NULL, 0, NULL) != SIASUCCESS) | |
63 | return (0); | |
64 | ||
65 | if ((ret = sia_ses_authent(NULL, pass, ent)) != SIASUCCESS) { | |
66 | error("Couldn't authenticate %s from %s", | |
67 | authctxt->user, host); | |
68 | if (ret & SIASTOP) | |
69 | sia_ses_release(&ent); | |
70 | ||
71 | return (0); | |
72 | } | |
73 | ||
74 | sia_ses_release(&ent); | |
75 | ||
76 | return (1); | |
77 | } | |
78 | ||
79 | void | |
80 | session_setup_sia(struct passwd *pw, char *tty) | |
81 | { | |
82 | SIAENTITY *ent = NULL; | |
83 | const char *host; | |
84 | ||
85 | host = get_canonical_hostname(options.use_dns); | |
86 | ||
87 | if (sia_ses_init(&ent, saved_argc, saved_argv, host, pw->pw_name, | |
88 | tty, 0, NULL) != SIASUCCESS) | |
89 | fatal("sia_ses_init failed"); | |
90 | ||
91 | if (sia_make_entity_pwd(pw, ent) != SIASUCCESS) { | |
92 | sia_ses_release(&ent); | |
93 | fatal("sia_make_entity_pwd failed"); | |
94 | } | |
95 | ||
96 | ent->authtype = SIA_A_NONE; | |
97 | if (sia_ses_estab(sia_collect_trm, ent) != SIASUCCESS) | |
98 | fatal("Couldn't establish session for %s from %s", | |
99 | pw->pw_name, host); | |
100 | ||
101 | if (sia_ses_launch(sia_collect_trm, ent) != SIASUCCESS) | |
102 | fatal("Couldn't launch session for %s from %s", | |
103 | pw->pw_name, host); | |
104 | ||
105 | sia_ses_release(&ent); | |
106 | ||
107 | setuid(0); | |
108 | permanently_set_uid(pw); | |
109 | } | |
110 | ||
111 | #endif /* HAVE_OSF_SIA */ |