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40b74b3f | 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 | ||
b7ccb051 | 25 | #include "includes.h" |
26 | ||
27 | #ifdef HAVE_OSF_SIA | |
28 | #include "ssh.h" | |
ca8aba40 | 29 | #include "auth.h" |
b7ccb051 | 30 | #include "auth-sia.h" |
31 | #include "log.h" | |
32 | #include "servconf.h" | |
33 | #include "canohost.h" | |
34 | ||
35 | #include <sia.h> | |
36 | #include <siad.h> | |
37 | #include <pwd.h> | |
38 | #include <signal.h> | |
39 | #include <setjmp.h> | |
40 | #include <sys/resource.h> | |
41 | #include <unistd.h> | |
42 | #include <string.h> | |
43 | ||
44 | extern ServerOptions options; | |
45 | extern int saved_argc; | |
46 | extern char **saved_argv; | |
47 | ||
48 | extern int errno; | |
49 | ||
50 | int | |
fde58bd4 | 51 | auth_sia_password(Authctxt *authctxt, char *pass) |
b7ccb051 | 52 | { |
53 | int ret; | |
54 | SIAENTITY *ent = NULL; | |
55 | const char *host; | |
fde58bd4 | 56 | char *user = authctxt->user; |
b7ccb051 | 57 | |
983784a1 | 58 | host = get_canonical_hostname(options.verify_reverse_mapping); |
b7ccb051 | 59 | |
fde58bd4 | 60 | if (!user || !pass || pass[0] == '\0') |
b7ccb051 | 61 | return(0); |
62 | ||
63 | if (sia_ses_init(&ent, saved_argc, saved_argv, host, user, NULL, 0, | |
64 | NULL) != SIASUCCESS) | |
65 | return(0); | |
66 | ||
67 | if ((ret = sia_ses_authent(NULL, pass, ent)) != SIASUCCESS) { | |
65b91c76 | 68 | error("Couldn't authenticate %s from %s", user, host); |
b7ccb051 | 69 | if (ret & SIASTOP) |
70 | sia_ses_release(&ent); | |
71 | return(0); | |
72 | } | |
73 | ||
74 | sia_ses_release(&ent); | |
75 | ||
76 | return(1); | |
77 | } | |
78 | ||
79 | void | |
80 | session_setup_sia(char *user, char *tty) | |
81 | { | |
b7ccb051 | 82 | struct passwd *pw; |
83 | SIAENTITY *ent = NULL; | |
84 | const char *host; | |
85 | ||
983784a1 | 86 | host = get_canonical_hostname (options.verify_reverse_mapping); |
b7ccb051 | 87 | |
88 | if (sia_ses_init(&ent, saved_argc, saved_argv, host, user, tty, 0, | |
c96a4aaf | 89 | NULL) != SIASUCCESS) { |
65b91c76 | 90 | fatal("sia_ses_init failed"); |
c96a4aaf | 91 | } |
b7ccb051 | 92 | |
93 | if ((pw = getpwnam(user)) == NULL) { | |
94 | sia_ses_release(&ent); | |
65b91c76 | 95 | fatal("getpwnam: no user: %s", user); |
b7ccb051 | 96 | } |
97 | if (sia_make_entity_pwd(pw, ent) != SIASUCCESS) { | |
98 | sia_ses_release(&ent); | |
65b91c76 | 99 | fatal("sia_make_entity_pwd failed"); |
b7ccb051 | 100 | } |
101 | ||
102 | ent->authtype = SIA_A_NONE; | |
c96a4aaf | 103 | if (sia_ses_estab(sia_collect_trm, ent) != SIASUCCESS) { |
65b91c76 | 104 | fatal("Couldn't establish session for %s from %s", user, |
b7ccb051 | 105 | host); |
c96a4aaf | 106 | } |
b7ccb051 | 107 | |
108 | if (setpriority(PRIO_PROCESS, 0, 0) == -1) { | |
109 | sia_ses_release(&ent); | |
65b91c76 | 110 | fatal("setpriority: %s", strerror (errno)); |
b7ccb051 | 111 | } |
112 | ||
c96a4aaf | 113 | if (sia_ses_launch(sia_collect_trm, ent) != SIASUCCESS) { |
65b91c76 | 114 | fatal("Couldn't launch session for %s from %s", user, host); |
c96a4aaf | 115 | } |
b7ccb051 | 116 | |
117 | sia_ses_release(&ent); | |
118 | ||
c96a4aaf | 119 | if (setreuid(geteuid(), geteuid()) < 0) { |
65b91c76 | 120 | fatal("setreuid: %s", strerror(errno)); |
c96a4aaf | 121 | } |
b7ccb051 | 122 | } |
123 | ||
124 | #endif /* HAVE_OSF_SIA */ |