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 */ 115