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