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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* tests/icred.c - test harness for getting initial creds */
/*
* Copyright (C) 2013 by the Massachusetts Institute of Technology.
* 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.
*/
/*
* This program exercises the init_creds APIs in ways kinit doesn't. Right now
* it is very simplistic, but it can be extended as needed.
*/
#include "k5-platform.h"
#include <krb5.h>
static krb5_context ctx;
static void
check(krb5_error_code code)
{
const char *errmsg;
if (code) {
errmsg = krb5_get_error_message(ctx, code);
fprintf(stderr, "%s\n", errmsg);
krb5_free_error_message(ctx, errmsg);
exit(1);
}
}
int
main(int argc, char **argv)
{
const char *princstr, *password;
krb5_principal client;
krb5_init_creds_context icc;
krb5_get_init_creds_opt *opt;
krb5_creds creds;
krb5_boolean stepwise = FALSE;
krb5_preauthtype ptypes[64];
int c, nptypes = 0;
char *val;
check(krb5_init_context(&ctx));
check(krb5_get_init_creds_opt_alloc(ctx, &opt));
while ((c = getopt(argc, argv, "so:X:")) != -1) {
switch (c) {
case 's':
stepwise = TRUE;
break;
case 'o':
assert(nptypes < 64);
ptypes[nptypes++] = atoi(optarg);
break;
case 'X':
val = strchr(optarg, '=');
if (val != NULL)
*val++ = '\0';
else
val = "yes";
check(krb5_get_init_creds_opt_set_pa(ctx, opt, optarg, val));
break;
default:
abort();
}
}
argc -= optind;
argv += optind;
if (argc != 2)
abort();
princstr = argv[0];
password = argv[1];
check(krb5_parse_name(ctx, princstr, &client));
if (nptypes > 0)
krb5_get_init_creds_opt_set_preauth_list(opt, ptypes, nptypes);
if (stepwise) {
/* Use the stepwise interface. */
check(krb5_init_creds_init(ctx, client, NULL, NULL, 0, NULL, &icc));
check(krb5_init_creds_set_password(ctx, icc, password));
check(krb5_init_creds_get(ctx, icc));
krb5_init_creds_free(ctx, icc);
} else {
/* Use the traditional one-shot interface. */
check(krb5_get_init_creds_password(ctx, &creds, client, password, NULL,
NULL, 0, NULL, opt));
krb5_free_cred_contents(ctx, &creds);
}
krb5_get_init_creds_opt_free(ctx, opt);
krb5_free_principal(ctx, client);
krb5_free_context(ctx);
return 0;
}
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