Mike Lockwood | 46aaaa6 | 2011-12-07 08:17:59 -0800 | [diff] [blame] | 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 | |
| 48 | extern ServerOptions options; |
| 49 | extern int saved_argc; |
| 50 | extern char **saved_argv; |
| 51 | |
| 52 | int |
| 53 | sys_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 | |
| 82 | void |
| 83 | session_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 */ |