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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* tests/gcred.c - Test harness for referrals */
/*
* Copyright (C) 2012 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 is intended to be run from a python script as:
*
* gcred nametype princname
*
* where nametype is one of "unknown", "principal", "srv-inst", and "srv-hst",
* and princname is the name of the service principal. gcred acquires
* credentials for the specified server principal. On success, gcred displays
* the server principal name of the obtained credentials to stdout and exits
* with status 0. On failure, gcred displays the error message for the failed
* operation to stderr and exits with status 1.
*/
#include "k5-int.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)
{
krb5_principal client, server;
krb5_ccache ccache;
krb5_creds in_creds, *creds;
char *name;
check(krb5_init_context(&ctx));
/* Parse arguments. */
assert(argc == 3);
check(krb5_parse_name(ctx, argv[2], &server));
if (strcmp(argv[1], "unknown") == 0)
server->type = KRB5_NT_UNKNOWN;
else if (strcmp(argv[1], "principal") == 0)
server->type = KRB5_NT_PRINCIPAL;
else if (strcmp(argv[1], "srv-inst") == 0)
server->type = KRB5_NT_SRV_INST;
else if (strcmp(argv[1], "srv-hst") == 0)
server->type = KRB5_NT_SRV_HST;
else
abort();
check(krb5_cc_default(ctx, &ccache));
check(krb5_cc_get_principal(ctx, ccache, &client));
memset(&in_creds, 0, sizeof(in_creds));
in_creds.client = client;
in_creds.server = server;
check(krb5_get_credentials(ctx, 0, ccache, &in_creds, &creds));
check(krb5_unparse_name(ctx, creds->server, &name));
printf("%s\n", name);
krb5_free_unparsed_name(ctx, name);
krb5_free_creds(ctx, creds);
krb5_free_principal(ctx, client);
krb5_free_principal(ctx, server);
krb5_cc_close(ctx, ccache);
krb5_free_context(ctx);
return 0;
}
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