new debug program
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@7006 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
165
kuser/kdecode_ticket.c
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165
kuser/kdecode_ticket.c
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/*
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* Copyright (c) 1997 - 1999 Kungliga Tekniska H<>gskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Kungliga Tekniska
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* H<>gskolan and its contributors.
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*
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* 4. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "kuser_locl.h"
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RCSID("$Id$");
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static char *etype_str;
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static int version_flag;
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static int help_flag;
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static void
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print_and_decode_tkt (krb5_context context,
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krb5_data *ticket,
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krb5_principal server,
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krb5_enctype enctype)
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{
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krb5_error_code ret;
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krb5_crypto crypto;
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krb5_data dec_data;
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size_t len;
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EncTicketPart decr_part;
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krb5_keyblock key;
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Ticket tkt;
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ret = decode_Ticket (ticket->data, ticket->length, &tkt, &len);
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if (ret)
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krb5_err (context, 1, ret, "decode_Ticket");
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ret = krb5_string_to_key (context, enctype, "foo", server, &key);
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if (ret)
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krb5_err (context, 1, ret, "krb5_string_to_key");
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krb5_crypto_init(context, &key, 0, &crypto);
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ret = krb5_decrypt_EncryptedData (context, crypto, KRB5_KU_TICKET,
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&tkt.enc_part, &dec_data);
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krb5_crypto_destroy (context, crypto);
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if (ret)
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krb5_err (context, 1, ret, "krb5_decrypt_EncryptedData");
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ret = krb5_decode_EncTicketPart (context, dec_data.data, dec_data.length,
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&decr_part, &len);
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krb5_data_free (&dec_data);
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if (ret)
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krb5_err (context, 1, ret, "krb5_decode_EncTicketPart");
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}
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struct getargs args[] = {
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{ "enctype", 'e', arg_string, &etype_str,
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"encryption type to use", "enctype"},
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{ "version", 0, arg_flag, &version_flag },
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{ "help", 0, arg_flag, &help_flag }
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};
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static void
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usage (int ret)
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{
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arg_printusage (args,
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sizeof(args)/sizeof(*args),
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NULL,
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"service");
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exit (ret);
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}
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int
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main(int argc, char **argv)
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{
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krb5_error_code ret;
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krb5_context context;
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krb5_ccache cache;
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krb5_creds in, *out;
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int optind = 0;
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set_progname (argv[0]);
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ret = krb5_init_context (&context);
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if (ret)
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errx(1, "krb5_init_context failed: %u", ret);
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if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optind))
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usage(1);
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if (help_flag)
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usage (0);
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if(version_flag) {
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print_version(NULL);
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exit(0);
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}
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argc -= optind;
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argv += optind;
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if (argc != 1)
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usage (1);
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ret = krb5_cc_default(context, &cache);
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if (ret)
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krb5_err (context, 1, ret, "krb5_cc_default");
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memset(&in, 0, sizeof(in));
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if (etype_str) {
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krb5_enctype enctype;
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ret = krb5_string_to_enctype(context, etype_str, &enctype);
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if (ret)
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krb5_errx (context, 1, "unrecognized enctype: %s", etype_str);
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in.session.keytype = enctype;
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}
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ret = krb5_cc_get_principal(context, cache, &in.client);
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if (ret)
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krb5_err (context, 1, ret, "krb5_cc_get_principal");
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ret = krb5_parse_name(context, argv[0], &in.server);
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if (ret)
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krb5_err (context, 1, ret, "krb5_parse_name %s", argv[0]);
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in.times.endtime = 0;
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ret = krb5_get_credentials(context, 0, cache, &in, &out);
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if (ret)
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krb5_err (context, 1, ret, "krb5_get_credentials");
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print_and_decode_tkt (context, &out->ticket, out->server,
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out->session.keytype);
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krb5_free_creds_contents(context, out);
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return 0;
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}
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