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 <sia.h>
29#include <siad.h>
30#include <pwd.h>
31#include <signal.h>
32#include <setjmp.h>
33#include <sys/resource.h>
34#include <unistd.h>
35#include <stdarg.h>
36#include <string.h>
37
38#include "ssh.h"
39#include "key.h"
40#include "hostfile.h"
41#include "auth.h"
42#include "auth-sia.h"
43#include "log.h"
44#include "servconf.h"
45#include "canohost.h"
46#include "uidswap.h"
47
48extern ServerOptions options;
49extern int saved_argc;
50extern char **saved_argv;
51
52int
53sys_auth_passwd(Authctxt *authctxt, const char *pass)
54{
55	int ret;
56	SIAENTITY *ent = NULL;
57	const char *host;
58
59	host = get_canonical_hostname(options.use_dns);
60
61	if (!authctxt->user || pass == NULL || pass[0] == '\0')
62		return (0);
63
64	if (sia_ses_init(&ent, saved_argc, saved_argv, host, authctxt->user,
65	    NULL, 0, NULL) != SIASUCCESS)
66		return (0);
67
68	if ((ret = sia_ses_authent(NULL, pass, ent)) != SIASUCCESS) {
69		error("Couldn't authenticate %s from %s",
70		    authctxt->user, host);
71		if (ret & SIASTOP)
72			sia_ses_release(&ent);
73
74		return (0);
75	}
76
77	sia_ses_release(&ent);
78
79	return (1);
80}
81
82void
83session_setup_sia(struct passwd *pw, char *tty)
84{
85	SIAENTITY *ent = NULL;
86	const char *host;
87
88	host = get_canonical_hostname(options.use_dns);
89
90	if (sia_ses_init(&ent, saved_argc, saved_argv, host, pw->pw_name,
91	    tty, 0, NULL) != SIASUCCESS)
92		fatal("sia_ses_init failed");
93
94	if (sia_make_entity_pwd(pw, ent) != SIASUCCESS) {
95		sia_ses_release(&ent);
96		fatal("sia_make_entity_pwd failed");
97	}
98
99	ent->authtype = SIA_A_NONE;
100	if (sia_ses_estab(sia_collect_trm, ent) != SIASUCCESS)
101		fatal("Couldn't establish session for %s from %s",
102		    pw->pw_name, host);
103
104	if (sia_ses_launch(sia_collect_trm, ent) != SIASUCCESS)
105		fatal("Couldn't launch session for %s from %s",
106		    pw->pw_name, host);
107
108	sia_ses_release(&ent);
109
110	setuid(0);
111	permanently_set_uid(pw);
112}
113
114#endif /* HAVE_OSF_SIA */
115