Add id-heim-rsa-pkcs1-x509.
[heimdal.git] / kuser / kdecode_ticket.c
blobd5ea72aa033ace57f69e27b668cbe714a3126fe0
1 /*
2 * Copyright (c) 1997 - 2004 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
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.
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.
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.
34 #include "kuser_locl.h"
36 RCSID("$Id$");
38 static char *etype_str;
39 static int version_flag;
40 static int help_flag;
42 static void
43 print_and_decode_tkt (krb5_context context,
44 krb5_data *ticket,
45 krb5_principal server,
46 krb5_enctype enctype)
48 krb5_error_code ret;
49 krb5_crypto crypto;
50 krb5_data dec_data;
51 size_t len;
52 EncTicketPart decr_part;
53 krb5_keyblock key;
54 Ticket tkt;
56 ret = decode_Ticket (ticket->data, ticket->length, &tkt, &len);
57 if (ret)
58 krb5_err (context, 1, ret, "decode_Ticket");
60 ret = krb5_string_to_key (context, enctype, "foo", server, &key);
61 if (ret)
62 krb5_err (context, 1, ret, "krb5_string_to_key");
64 ret = krb5_crypto_init(context, &key, 0, &crypto);
65 if (ret)
66 krb5_err (context, 1, ret, "krb5_crypto_init");
68 ret = krb5_decrypt_EncryptedData (context, crypto, KRB5_KU_TICKET,
69 &tkt.enc_part, &dec_data);
70 krb5_crypto_destroy (context, crypto);
71 if (ret)
72 krb5_err (context, 1, ret, "krb5_decrypt_EncryptedData");
73 ret = krb5_decode_EncTicketPart (context, dec_data.data, dec_data.length,
74 &decr_part, &len);
75 krb5_data_free (&dec_data);
76 if (ret)
77 krb5_err (context, 1, ret, "krb5_decode_EncTicketPart");
80 struct getargs args[] = {
81 { "enctype", 'e', arg_string, &etype_str,
82 "encryption type to use", "enctype"},
83 { "version", 0, arg_flag, &version_flag },
84 { "help", 0, arg_flag, &help_flag }
87 static void
88 usage (int ret)
90 arg_printusage (args,
91 sizeof(args)/sizeof(*args),
92 NULL,
93 "service");
94 exit (ret);
97 int
98 main(int argc, char **argv)
100 krb5_error_code ret;
101 krb5_context context;
102 krb5_ccache cache;
103 krb5_creds in, *out;
104 int optidx = 0;
106 setprogname (argv[0]);
108 ret = krb5_init_context (&context);
109 if (ret)
110 errx(1, "krb5_init_context failed: %d", ret);
112 if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
113 usage(1);
115 if (help_flag)
116 usage (0);
118 if(version_flag) {
119 print_version(NULL);
120 exit(0);
123 argc -= optidx;
124 argv += optidx;
126 if (argc != 1)
127 usage (1);
129 ret = krb5_cc_default(context, &cache);
130 if (ret)
131 krb5_err (context, 1, ret, "krb5_cc_default");
133 memset(&in, 0, sizeof(in));
135 if (etype_str) {
136 krb5_enctype enctype;
138 ret = krb5_string_to_enctype(context, etype_str, &enctype);
139 if (ret)
140 krb5_errx (context, 1, "unrecognized enctype: %s", etype_str);
141 in.session.keytype = enctype;
144 ret = krb5_cc_get_principal(context, cache, &in.client);
145 if (ret)
146 krb5_err (context, 1, ret, "krb5_cc_get_principal");
148 ret = krb5_parse_name(context, argv[0], &in.server);
149 if (ret)
150 krb5_err (context, 1, ret, "krb5_parse_name %s", argv[0]);
152 in.times.endtime = 0;
153 ret = krb5_get_credentials(context, 0, cache, &in, &out);
154 if (ret)
155 krb5_err (context, 1, ret, "krb5_get_credentials");
157 print_and_decode_tkt (context, &out->ticket, out->server,
158 out->session.keytype);
160 krb5_free_cred_contents(context, out);
161 return 0;