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 "key.h" 41 #include "hostfile.h" 42 #include "auth.h" 43 #include "auth-sia.h" 44 #include "log.h" 45 #include "servconf.h" 46 #include "canohost.h" 47 #include "uidswap.h" 48 49 extern ServerOptions options; 50 extern int saved_argc; 51 extern char **saved_argv; 52 53 int 54 sys_auth_passwd(struct ssh *ssh, const char *pass) 55 { 56 int ret; 57 SIAENTITY *ent = NULL; 58 const char *host; 59 Authctxt *authctxt = ssh->authctxt; 60 61 host = get_canonical_hostname(options.use_dns); 62 63 if (!authctxt->user || pass == NULL || pass[0] == '\0') 64 return (0); 65 66 if (sia_ses_init(&ent, saved_argc, saved_argv, host, authctxt->user, 67 NULL, 0, NULL) != SIASUCCESS) 68 return (0); 69 70 if ((ret = sia_ses_authent(NULL, pass, ent)) != SIASUCCESS) { 71 error("Couldn't authenticate %s from %s", 72 authctxt->user, host); 73 if (ret & SIASTOP) 74 sia_ses_release(&ent); 75 76 return (0); 77 } 78 79 sia_ses_release(&ent); 80 81 return (1); 82 } 83 84 void 85 session_setup_sia(struct passwd *pw, char *tty) 86 { 87 SIAENTITY *ent = NULL; 88 const char *host; 89 90 host = get_canonical_hostname(options.use_dns); 91 92 if (sia_ses_init(&ent, saved_argc, saved_argv, host, pw->pw_name, 93 tty, 0, NULL) != SIASUCCESS) 94 fatal("sia_ses_init failed"); 95 96 if (sia_make_entity_pwd(pw, ent) != SIASUCCESS) { 97 sia_ses_release(&ent); 98 fatal("sia_make_entity_pwd failed"); 99 } 100 101 ent->authtype = SIA_A_NONE; 102 if (sia_ses_estab(sia_collect_trm, ent) != SIASUCCESS) 103 fatal("Couldn't establish session for %s from %s", 104 pw->pw_name, host); 105 106 if (sia_ses_launch(sia_collect_trm, ent) != SIASUCCESS) 107 fatal("Couldn't launch session for %s from %s", 108 pw->pw_name, host); 109 110 sia_ses_release(&ent); 111 112 setuid(0); 113 permanently_set_uid(pw); 114 } 115 116 #endif /* HAVE_OSF_SIA */ 117