1 /* 2 * Copyright (c) 2007 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 KTH nor the names of its contributors may be 18 * used to endorse or promote products derived from this software without 19 * specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY 22 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE 25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 28 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include "krb5_locl.h" 35 #include <err.h> 36 #include <getarg.h> 37 38 RCSID("$Id$"); 39 40 41 static int version_flag = 0; 42 static int help_flag = 0; 43 44 static struct getargs args[] = { 45 {"version", 0, arg_flag, &version_flag, 46 "print version", NULL }, 47 {"help", 0, arg_flag, &help_flag, 48 NULL, NULL } 49 }; 50 51 static void 52 usage (int ret) 53 { 54 arg_printusage (args, 55 sizeof(args)/sizeof(*args), 56 NULL, 57 "[principal]"); 58 exit (ret); 59 } 60 61 int 62 main(int argc, char **argv) 63 { 64 krb5_principal client; 65 krb5_context context; 66 const char *in_tkt_service = NULL; 67 krb5_ccache id; 68 krb5_error_code ret; 69 krb5_creds out;; 70 int optidx = 0; 71 72 setprogname(argv[0]); 73 74 if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx)) 75 usage(1); 76 77 if (help_flag) 78 usage (0); 79 80 if(version_flag){ 81 print_version(NULL); 82 exit(0); 83 } 84 85 argc -= optidx; 86 argv += optidx; 87 88 if (argc > 0) 89 in_tkt_service = argv[0]; 90 91 memset(&out, 0, sizeof(out)); 92 93 ret = krb5_init_context(&context); 94 if (ret) 95 krb5_err(context, 1, ret, "krb5_init_context"); 96 97 ret = krb5_cc_default(context, &id); 98 if (ret) 99 krb5_err(context, 1, ret, "krb5_cc_default"); 100 101 ret = krb5_cc_get_principal(context, id, &client); 102 if (ret) 103 krb5_err(context, 1, ret, "krb5_cc_default"); 104 105 ret = krb5_get_renewed_creds(context, 106 &out, 107 client, 108 id, 109 in_tkt_service); 110 111 if(ret) 112 krb5_err(context, 1, ret, "krb5_get_kdc_cred"); 113 114 if (krb5_principal_compare(context, out.client, client) != TRUE) 115 krb5_errx(context, 1, "return principal is not as expected"); 116 117 krb5_free_cred_contents(context, &out); 118 119 krb5_free_context(context); 120 121 return 0; 122 } 123