155682Smarkm/* 2233294Sstas * Copyright (c) 1997 - 2004 Kungliga Tekniska H��gskolan 3233294Sstas * (Royal Institute of Technology, Stockholm, Sweden). 4233294Sstas * All rights reserved. 555682Smarkm * 6233294Sstas * Redistribution and use in source and binary forms, with or without 7233294Sstas * modification, are permitted provided that the following conditions 8233294Sstas * are met: 955682Smarkm * 10233294Sstas * 1. Redistributions of source code must retain the above copyright 11233294Sstas * notice, this list of conditions and the following disclaimer. 1255682Smarkm * 13233294Sstas * 2. Redistributions in binary form must reproduce the above copyright 14233294Sstas * notice, this list of conditions and the following disclaimer in the 15233294Sstas * documentation and/or other materials provided with the distribution. 1655682Smarkm * 17233294Sstas * 3. Neither the name of the Institute nor the names of its contributors 18233294Sstas * may be used to endorse or promote products derived from this software 19233294Sstas * without specific prior written permission. 2055682Smarkm * 21233294Sstas * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22233294Sstas * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23233294Sstas * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24233294Sstas * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25233294Sstas * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26233294Sstas * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27233294Sstas * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28233294Sstas * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29233294Sstas * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30233294Sstas * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31233294Sstas * SUCH DAMAGE. 3255682Smarkm */ 3355682Smarkm 3455682Smarkm#include "kuser_locl.h" 3555682Smarkm 3655682Smarkmstatic char *etype_str; 3755682Smarkmstatic int version_flag; 3855682Smarkmstatic int help_flag; 3955682Smarkm 4055682Smarkmstatic void 4155682Smarkmprint_and_decode_tkt (krb5_context context, 4255682Smarkm krb5_data *ticket, 4355682Smarkm krb5_principal server, 4455682Smarkm krb5_enctype enctype) 4555682Smarkm{ 4655682Smarkm krb5_error_code ret; 4755682Smarkm krb5_crypto crypto; 4855682Smarkm krb5_data dec_data; 4955682Smarkm size_t len; 5055682Smarkm EncTicketPart decr_part; 5155682Smarkm krb5_keyblock key; 5255682Smarkm Ticket tkt; 5355682Smarkm 5455682Smarkm ret = decode_Ticket (ticket->data, ticket->length, &tkt, &len); 5555682Smarkm if (ret) 5655682Smarkm krb5_err (context, 1, ret, "decode_Ticket"); 5755682Smarkm 5855682Smarkm ret = krb5_string_to_key (context, enctype, "foo", server, &key); 5955682Smarkm if (ret) 6055682Smarkm krb5_err (context, 1, ret, "krb5_string_to_key"); 6155682Smarkm 6272445Sassar ret = krb5_crypto_init(context, &key, 0, &crypto); 6372445Sassar if (ret) 6472445Sassar krb5_err (context, 1, ret, "krb5_crypto_init"); 6555682Smarkm 6655682Smarkm ret = krb5_decrypt_EncryptedData (context, crypto, KRB5_KU_TICKET, 6755682Smarkm &tkt.enc_part, &dec_data); 6855682Smarkm krb5_crypto_destroy (context, crypto); 6955682Smarkm if (ret) 7055682Smarkm krb5_err (context, 1, ret, "krb5_decrypt_EncryptedData"); 71233294Sstas ret = decode_EncTicketPart (dec_data.data, dec_data.length, 72233294Sstas &decr_part, &len); 7355682Smarkm krb5_data_free (&dec_data); 7455682Smarkm if (ret) 7555682Smarkm krb5_err (context, 1, ret, "krb5_decode_EncTicketPart"); 76233294Sstas free_EncTicketPart(&decr_part); 7755682Smarkm} 7855682Smarkm 7955682Smarkmstruct getargs args[] = { 8055682Smarkm { "enctype", 'e', arg_string, &etype_str, 8155682Smarkm "encryption type to use", "enctype"}, 8255682Smarkm { "version", 0, arg_flag, &version_flag }, 8355682Smarkm { "help", 0, arg_flag, &help_flag } 8455682Smarkm}; 8555682Smarkm 8655682Smarkmstatic void 8755682Smarkmusage (int ret) 8855682Smarkm{ 8955682Smarkm arg_printusage (args, 9055682Smarkm sizeof(args)/sizeof(*args), 9155682Smarkm NULL, 9255682Smarkm "service"); 9355682Smarkm exit (ret); 9455682Smarkm} 9555682Smarkm 9655682Smarkmint 9755682Smarkmmain(int argc, char **argv) 9855682Smarkm{ 9955682Smarkm krb5_error_code ret; 10055682Smarkm krb5_context context; 10155682Smarkm krb5_ccache cache; 10255682Smarkm krb5_creds in, *out; 103178825Sdfr int optidx = 0; 10455682Smarkm 10578527Sassar setprogname (argv[0]); 10655682Smarkm 10755682Smarkm ret = krb5_init_context (&context); 10855682Smarkm if (ret) 10972445Sassar errx(1, "krb5_init_context failed: %d", ret); 110233294Sstas 111178825Sdfr if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx)) 11255682Smarkm usage(1); 113233294Sstas 11455682Smarkm if (help_flag) 11555682Smarkm usage (0); 11655682Smarkm 11755682Smarkm if(version_flag) { 11855682Smarkm print_version(NULL); 11955682Smarkm exit(0); 12055682Smarkm } 12155682Smarkm 122178825Sdfr argc -= optidx; 123178825Sdfr argv += optidx; 12455682Smarkm 12555682Smarkm if (argc != 1) 12655682Smarkm usage (1); 12755682Smarkm 12855682Smarkm ret = krb5_cc_default(context, &cache); 12955682Smarkm if (ret) 13055682Smarkm krb5_err (context, 1, ret, "krb5_cc_default"); 13155682Smarkm 13255682Smarkm memset(&in, 0, sizeof(in)); 13355682Smarkm 13455682Smarkm if (etype_str) { 13555682Smarkm krb5_enctype enctype; 13655682Smarkm 13755682Smarkm ret = krb5_string_to_enctype(context, etype_str, &enctype); 13855682Smarkm if (ret) 13955682Smarkm krb5_errx (context, 1, "unrecognized enctype: %s", etype_str); 14055682Smarkm in.session.keytype = enctype; 14155682Smarkm } 14255682Smarkm 14355682Smarkm ret = krb5_cc_get_principal(context, cache, &in.client); 14455682Smarkm if (ret) 14555682Smarkm krb5_err (context, 1, ret, "krb5_cc_get_principal"); 14655682Smarkm 14755682Smarkm ret = krb5_parse_name(context, argv[0], &in.server); 14855682Smarkm if (ret) 14955682Smarkm krb5_err (context, 1, ret, "krb5_parse_name %s", argv[0]); 15055682Smarkm 15155682Smarkm in.times.endtime = 0; 15255682Smarkm ret = krb5_get_credentials(context, 0, cache, &in, &out); 15355682Smarkm if (ret) 15455682Smarkm krb5_err (context, 1, ret, "krb5_get_credentials"); 15555682Smarkm 15655682Smarkm print_and_decode_tkt (context, &out->ticket, out->server, 15755682Smarkm out->session.keytype); 15855682Smarkm 159178825Sdfr krb5_free_cred_contents(context, out); 16055682Smarkm return 0; 16155682Smarkm} 162