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/*
* Copyright (c) 2011, Secure Endpoints Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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
* COPYRIGHT HOLDER 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 "krb5_locl.h"
#include <err.h>
#include <getarg.h>
#if 0
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <stdlib.h>
#include <unistd.h>
#include <krb5.h>
#endif
int
main(int argc, char **argv)
{
krb5_error_code retval;
krb5_context context;
krb5_principal princ = NULL;
krb5_principal me = NULL;
krb5_principal cmp_to_princ = NULL;
krb5_ccache cc = NULL;
krb5_creds *out_creds = NULL;
krb5_keytab kt = NULL;
krb5_keytab_entry ktent;
krb5_creds in_creds;
char *hostname = NULL;
char *unparsed = NULL;
char *unparsed_canon = NULL;
char *during;
char *cmp_to = NULL;;
int do_kt = 0;
int do_get_creds = 0;
int opt;
int ret = 1;
memset(&ktent, 0, sizeof(ktent));
while ((opt = getopt(argc, argv, "hgkc:")) != -1) {
switch (opt) {
case 'g':
do_get_creds++;
break;
case 'k':
do_kt++;
break;
case 'c':
cmp_to = optarg;
break;
case 'h':
default:
fprintf(stderr, "Usage: %s [-g] [-k] [-c compare-to-principal] "
"[principal]\n", argv[0]);
return 1;
}
}
if (!do_get_creds && !do_kt && !cmp_to)
do_get_creds++;
if (optind < argc)
hostname = argv[optind];
during = "init_context";
retval = krb5_init_context(&context);
if (retval) goto err;
during = "sn2p";
retval = krb5_sname_to_principal(context, hostname, "host", KRB5_NT_SRV_HST, &princ);
if (retval) goto err;
during = "unparse of sname2princ";
retval = krb5_unparse_name(context, princ, &unparsed);
if (retval) goto err;
printf("krb5_sname_to_principal() output: %s\n", unparsed);
if (cmp_to) {
krb5_boolean eq;
during = "parsing principal name for comparison compare";
retval = krb5_parse_name(context, cmp_to, &cmp_to_princ);
if (retval) goto err;
eq = krb5_principal_compare(context, princ, cmp_to_princ);
printf("%s %s %s\n", unparsed, eq ? "==" : "!=", cmp_to);
}
if (do_get_creds) {
during = "ccdefault";
retval = krb5_cc_default(context, &cc);
if (retval) goto err;
during = "ccprinc";
retval = krb5_cc_get_principal(context, cc, &me);
if (retval) goto err;
memset(&in_creds, 0, sizeof(in_creds));
in_creds.client = me;
in_creds.server = princ;
during = "getcreds";
retval = krb5_get_credentials(context, 0, cc, &in_creds, &out_creds);
if (retval) goto err;
during = "unparsing principal name canonicalized by krb5_get_credentials()";
retval = krb5_unparse_name(context, in_creds.server, &unparsed_canon);
if (retval) goto err;
printf("Principal name as canonicalized by krb5_get_credentials() is %s\n", unparsed_canon);
}
if (do_kt) {
during = "getting keytab";
retval = krb5_kt_default(context, &kt);
if (retval) goto err;
during = "getting keytab ktent";
retval = krb5_kt_get_entry(context, kt, princ, 0, 0, &ktent);
if (retval) goto err;
during = "unparsing principal name canonicalized by krb5_kt_get_entry()";
retval = krb5_unparse_name(context, ktent.principal, &unparsed_canon);
if (retval) goto err;
printf("Principal name as canonicalized by krb5_kt_get_entry() is %s\n", unparsed_canon);
}
ret = 0;
err:
krb5_free_principal(context, princ);
krb5_free_principal(context, me);
krb5_free_principal(context, cmp_to_princ);
krb5_xfree(unparsed);
krb5_xfree(unparsed_canon);
if (do_get_creds) {
krb5_free_creds(context, out_creds);
(void) krb5_cc_close(context, cc);
}
krb5_kt_free_entry(context, &ktent);
if (kt)
krb5_kt_close(context, kt);
krb5_free_context(context);
if (ret)
fprintf(stderr, "Failed while doing %s (%d)\n", during, retval);
return (ret);
}
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