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Kevin Steves19fa9b52002-04-12 15:36:07 +00001/*
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
Damien Miller92ddb7d2001-02-14 01:25:23 +110025#include "includes.h"
26
27#ifdef HAVE_OSF_SIA
28#include "ssh.h"
Kevin Steves6939b232002-04-10 16:09:51 +000029#include "auth.h"
Damien Miller92ddb7d2001-02-14 01:25:23 +110030#include "auth-sia.h"
31#include "log.h"
32#include "servconf.h"
33#include "canohost.h"
Darren Tucker4e06a1d2003-11-22 14:25:15 +110034#include "uidswap.h"
Damien Miller92ddb7d2001-02-14 01:25:23 +110035
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
45extern ServerOptions options;
46extern int saved_argc;
47extern char **saved_argv;
48
Damien Miller92ddb7d2001-02-14 01:25:23 +110049int
Darren Tucker00cadb82005-04-05 20:58:37 +100050sys_auth_passwd(Authctxt *authctxt, const char *pass)
Damien Miller92ddb7d2001-02-14 01:25:23 +110051{
52 int ret;
53 SIAENTITY *ent = NULL;
54 const char *host;
55
Damien Miller3a961dc2003-06-03 10:25:48 +100056 host = get_canonical_hostname(options.use_dns);
Damien Miller92ddb7d2001-02-14 01:25:23 +110057
Damien Miller5b5ca192003-05-19 00:50:02 +100058 if (!authctxt->user || pass == NULL || pass[0] == '\0')
59 return (0);
Damien Miller92ddb7d2001-02-14 01:25:23 +110060
Ben Lindstromc8c548d2003-03-21 01:18:09 +000061 if (sia_ses_init(&ent, saved_argc, saved_argv, host, authctxt->user,
62 NULL, 0, NULL) != SIASUCCESS)
Damien Miller5b5ca192003-05-19 00:50:02 +100063 return (0);
Damien Miller92ddb7d2001-02-14 01:25:23 +110064
65 if ((ret = sia_ses_authent(NULL, pass, ent)) != SIASUCCESS) {
Damien Miller5b5ca192003-05-19 00:50:02 +100066 error("Couldn't authenticate %s from %s",
67 authctxt->user, host);
Damien Miller92ddb7d2001-02-14 01:25:23 +110068 if (ret & SIASTOP)
69 sia_ses_release(&ent);
Damien Miller5b5ca192003-05-19 00:50:02 +100070
71 return (0);
Damien Miller92ddb7d2001-02-14 01:25:23 +110072 }
73
74 sia_ses_release(&ent);
75
Damien Miller5b5ca192003-05-19 00:50:02 +100076 return (1);
Damien Miller92ddb7d2001-02-14 01:25:23 +110077}
78
79void
Ben Lindstromc8c548d2003-03-21 01:18:09 +000080session_setup_sia(struct passwd *pw, char *tty)
Damien Miller92ddb7d2001-02-14 01:25:23 +110081{
Damien Miller92ddb7d2001-02-14 01:25:23 +110082 SIAENTITY *ent = NULL;
83 const char *host;
84
Damien Miller3a961dc2003-06-03 10:25:48 +100085 host = get_canonical_hostname(options.use_dns);
Damien Miller92ddb7d2001-02-14 01:25:23 +110086
Damien Millera8e06ce2003-11-21 23:48:55 +110087 if (sia_ses_init(&ent, saved_argc, saved_argv, host, pw->pw_name,
Damien Miller5b5ca192003-05-19 00:50:02 +100088 tty, 0, NULL) != SIASUCCESS)
Kevin Steves0c283d82002-04-11 20:39:40 +000089 fatal("sia_ses_init failed");
Damien Miller92ddb7d2001-02-14 01:25:23 +110090
Damien Miller92ddb7d2001-02-14 01:25:23 +110091 if (sia_make_entity_pwd(pw, ent) != SIASUCCESS) {
92 sia_ses_release(&ent);
Kevin Steves0c283d82002-04-11 20:39:40 +000093 fatal("sia_make_entity_pwd failed");
Damien Miller92ddb7d2001-02-14 01:25:23 +110094 }
95
96 ent->authtype = SIA_A_NONE;
Ben Lindstromc8c548d2003-03-21 01:18:09 +000097 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)
Damien Miller5b5ca192003-05-19 00:50:02 +1000102 fatal("Couldn't launch session for %s from %s",
103 pw->pw_name, host);
Damien Miller787b2ec2003-11-21 23:56:47 +1100104
Damien Miller92ddb7d2001-02-14 01:25:23 +1100105 sia_ses_release(&ent);
106
Darren Tucker4e06a1d2003-11-22 14:25:15 +1100107 setuid(0);
108 permanently_set_uid(pw);
Damien Miller92ddb7d2001-02-14 01:25:23 +1100109}
110
111#endif /* HAVE_OSF_SIA */