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 "ssh_api.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
48 extern ServerOptions options;
49 extern int saved_argc;
50 extern char **saved_argv;
51
52 int
sys_auth_passwd(struct ssh * ssh,const char * pass)53 sys_auth_passwd(struct ssh *ssh, const char *pass)
54 {
55 int ret;
56 SIAENTITY *ent = NULL;
57 const char *host;
58 Authctxt *authctxt = ssh->authctxt;
59
60 host = get_canonical_hostname(options.use_dns);
61
62 if (!authctxt->user || pass == NULL || pass[0] == '\0')
63 return (0);
64
65 if (sia_ses_init(&ent, saved_argc, saved_argv, host, authctxt->user,
66 NULL, 0, NULL) != SIASUCCESS)
67 return (0);
68
69 if ((ret = sia_ses_authent(NULL, pass, ent)) != SIASUCCESS) {
70 error("Couldn't authenticate %s from %s",
71 authctxt->user, host);
72 if (ret & SIASTOP)
73 sia_ses_release(&ent);
74
75 return (0);
76 }
77
78 sia_ses_release(&ent);
79
80 return (1);
81 }
82
83 void
session_setup_sia(struct passwd * pw,char * tty)84 session_setup_sia(struct passwd *pw, char *tty)
85 {
86 SIAENTITY *ent = NULL;
87 const char *host;
88
89 host = get_canonical_hostname(options.use_dns);
90
91 if (sia_ses_init(&ent, saved_argc, saved_argv, host, pw->pw_name,
92 tty, 0, NULL) != SIASUCCESS)
93 fatal("sia_ses_init failed");
94
95 if (sia_make_entity_pwd(pw, ent) != SIASUCCESS) {
96 sia_ses_release(&ent);
97 fatal("sia_make_entity_pwd failed");
98 }
99
100 ent->authtype = SIA_A_NONE;
101 if (sia_ses_estab(sia_collect_trm, ent) != SIASUCCESS)
102 fatal("Couldn't establish session for %s from %s",
103 pw->pw_name, host);
104
105 if (sia_ses_launch(sia_collect_trm, ent) != SIASUCCESS)
106 fatal("Couldn't launch session for %s from %s",
107 pw->pw_name, host);
108
109 sia_ses_release(&ent);
110
111 setuid(0);
112 permanently_set_uid(pw);
113 }
114
115 #endif /* HAVE_OSF_SIA */
116