1 /* 2 * Copyright (c) 1997 - 2001 Kungliga Tekniska H�gskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include "kuser_locl.h" 35 36 RCSID("$Id: kverify.c,v 1.6 2001/08/24 01:08:13 assar Exp $"); 37 38 static int help_flag = 0; 39 static int version_flag = 0; 40 41 static struct getargs args[] = { 42 { "version", 0, arg_flag, &version_flag }, 43 { "help", 0, arg_flag, &help_flag } 44 }; 45 46 static void 47 usage (int ret) 48 { 49 arg_printusage (args, 50 sizeof(args)/sizeof(*args), 51 NULL, 52 "[principal]"); 53 exit (ret); 54 } 55 56 int 57 main(int argc, char **argv) 58 { 59 krb5_context context; 60 krb5_error_code ret; 61 krb5_creds cred; 62 krb5_preauthtype pre_auth_types[] = {KRB5_PADATA_ENC_TIMESTAMP}; 63 krb5_get_init_creds_opt get_options; 64 krb5_verify_init_creds_opt verify_options; 65 int optind = 0; 66 67 setprogname (argv[0]); 68 69 if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optind)) 70 usage(1); 71 72 if (help_flag) 73 usage (0); 74 75 if(version_flag) { 76 print_version(NULL); 77 exit(0); 78 } 79 80 ret = krb5_init_context(&context); 81 if (ret) 82 errx (1, "krb5_init_context failed: %d", ret); 83 84 krb5_get_init_creds_opt_init (&get_options); 85 86 krb5_get_init_creds_opt_set_preauth_list (&get_options, 87 pre_auth_types, 88 1); 89 90 krb5_verify_init_creds_opt_init (&verify_options); 91 92 ret = krb5_get_init_creds_password (context, 93 &cred, 94 NULL, 95 NULL, 96 krb5_prompter_posix, 97 NULL, 98 0, 99 NULL, 100 &get_options); 101 if (ret) 102 errx (1, "krb5_get_init_creds: %s", krb5_get_err_text(context, ret)); 103 104 ret = krb5_verify_init_creds (context, 105 &cred, 106 NULL, 107 NULL, 108 NULL, 109 &verify_options); 110 if (ret) 111 errx (1, "krb5_verify_init_creds: %s", 112 krb5_get_err_text(context, ret)); 113 krb5_free_creds_contents (context, &cred); 114 krb5_free_context (context); 115 return 0; 116 } 117