diff options
Diffstat (limited to 'third_party/heimdal/kuser/kdecode_ticket.c')
| -rw-r--r-- | third_party/heimdal/kuser/kdecode_ticket.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/third_party/heimdal/kuser/kdecode_ticket.c b/third_party/heimdal/kuser/kdecode_ticket.c new file mode 100644 index 0000000..edb0cc8 --- /dev/null +++ b/third_party/heimdal/kuser/kdecode_ticket.c @@ -0,0 +1,161 @@ +/* + * Copyright (c) 1997 - 2004 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "kuser_locl.h" + +static char *etype_str; +static int version_flag; +static int help_flag; + +static void +print_and_decode_tkt (krb5_context context, + krb5_data *ticket, + krb5_principal server, + krb5_enctype enctype) +{ + krb5_error_code ret; + krb5_crypto crypto; + krb5_data dec_data; + size_t len; + EncTicketPart decr_part; + krb5_keyblock key; + Ticket tkt; + + ret = decode_Ticket (ticket->data, ticket->length, &tkt, &len); + if (ret) + krb5_err (context, 1, ret, "decode_Ticket"); + + ret = krb5_string_to_key (context, enctype, "foo", server, &key); + if (ret) + krb5_err (context, 1, ret, "krb5_string_to_key"); + + ret = krb5_crypto_init(context, &key, 0, &crypto); + if (ret) + krb5_err (context, 1, ret, "krb5_crypto_init"); + + ret = krb5_decrypt_EncryptedData (context, crypto, KRB5_KU_TICKET, + &tkt.enc_part, &dec_data); + krb5_crypto_destroy (context, crypto); + if (ret) + krb5_err (context, 1, ret, "krb5_decrypt_EncryptedData"); + ret = decode_EncTicketPart (dec_data.data, dec_data.length, + &decr_part, &len); + krb5_data_free (&dec_data); + if (ret) + krb5_err (context, 1, ret, "krb5_decode_EncTicketPart"); + free_EncTicketPart(&decr_part); +} + +struct getargs args[] = { + { "enctype", 'e', arg_string, &etype_str, + "encryption type to use", "enctype"}, + { "version", 0, arg_flag, &version_flag, NULL, NULL }, + { "help", 0, arg_flag, &help_flag, NULL, NULL } +}; + +static void +usage (int ret) +{ + arg_printusage (args, + sizeof(args)/sizeof(*args), + NULL, + "service"); + exit (ret); +} + +int +main(int argc, char **argv) +{ + krb5_error_code ret; + krb5_context context; + krb5_ccache cache; + krb5_creds in, *out; + int optidx = 0; + + setprogname (argv[0]); + + ret = krb5_init_context (&context); + if (ret) + errx(1, "krb5_init_context failed: %d", ret); + + if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx)) + usage(1); + + if (help_flag) + usage (0); + + if(version_flag) { + print_version(NULL); + exit(0); + } + + argc -= optidx; + argv += optidx; + + if (argc != 1) + usage (1); + + ret = krb5_cc_default(context, &cache); + if (ret) + krb5_err (context, 1, ret, "krb5_cc_default"); + + memset(&in, 0, sizeof(in)); + + if (etype_str) { + krb5_enctype enctype; + + ret = krb5_string_to_enctype(context, etype_str, &enctype); + if (ret) + krb5_errx (context, 1, "unrecognized enctype: %s", etype_str); + in.session.keytype = enctype; + } + + ret = krb5_cc_get_principal(context, cache, &in.client); + if (ret) + krb5_err (context, 1, ret, "krb5_cc_get_principal"); + + ret = krb5_parse_name(context, argv[0], &in.server); + if (ret) + krb5_err (context, 1, ret, "krb5_parse_name %s", argv[0]); + + in.times.endtime = 0; + ret = krb5_get_credentials(context, 0, cache, &in, &out); + if (ret) + krb5_err (context, 1, ret, "krb5_get_credentials"); + + print_and_decode_tkt (context, &out->ticket, out->server, + out->session.keytype); + + krb5_free_cred_contents(context, out); + return 0; +} |