1 /* 2 * Copyright (c) 2007 Kungliga Tekniska Högskolan 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 static int version_flag = 0; 39 static int help_flag = 0; 40 41 static struct getargs args[] = { 42 {"version", 0, arg_flag, &version_flag, 43 "print version", NULL }, 44 {"help", 0, arg_flag, &help_flag, 45 NULL, NULL } 46 }; 47 48 static void 49 usage (int ret) 50 { 51 arg_printusage (args, 52 sizeof(args)/sizeof(*args), 53 NULL, 54 "[principal]"); 55 exit (ret); 56 } 57 58 int 59 main(int argc, char **argv) 60 { 61 krb5_principal client; 62 krb5_context context; 63 const char *in_tkt_service = NULL; 64 krb5_ccache id; 65 krb5_error_code ret; 66 krb5_creds out; 67 int optidx = 0; 68 69 setprogname(argv[0]); 70 71 if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx)) 72 usage(1); 73 74 if (help_flag) 75 usage (0); 76 77 if(version_flag){ 78 print_version(NULL); 79 exit(0); 80 } 81 82 argc -= optidx; 83 argv += optidx; 84 85 if (argc > 0) 86 in_tkt_service = argv[0]; 87 88 memset(&out, 0, sizeof(out)); 89 90 ret = krb5_init_context(&context); 91 if (ret) 92 krb5_err(context, 1, ret, "krb5_init_context"); 93 94 ret = krb5_cc_default(context, &id); 95 if (ret) 96 krb5_err(context, 1, ret, "krb5_cc_default"); 97 98 ret = krb5_cc_get_principal(context, id, &client); 99 if (ret) 100 krb5_err(context, 1, ret, "krb5_cc_default"); 101 102 ret = krb5_get_renewed_creds(context, 103 &out, 104 client, 105 id, 106 in_tkt_service); 107 108 if(ret) 109 krb5_err(context, 1, ret, "krb5_get_renewed_creds"); 110 111 if (krb5_principal_compare(context, out.client, client) != TRUE) 112 krb5_errx(context, 1, "return principal is not as expected"); 113 114 krb5_free_cred_contents(context, &out); 115 116 krb5_free_context(context); 117 118 return 0; 119 } 120