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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* tests/gssapi/t_lifetime.c - display cred and context lifetimes */
/*
* Copyright (C) 2017 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include "common.h"
/*
* Using the default credential, exercise the GSS functions which accept or
* produce lifetimes. Display the following results, one per line, as ASCII
* integers or the string "indefinite":
*
* initiator cred lifetime according to gss_acquire_cred()
* initiator cred lifetime according to gss_inquire_cred()
* acceptor cred lifetime according to gss_acquire_cred()
* acceptor cred lifetime according to gss_inquire_cred()
* initiator context lifetime according to gss_init_sec_context()
* initiator context lifetime according to gss_inquire_context()
* initiator context lifetime according to gss_context_time()
* acceptor context lifetime according to gss_init_sec_context()
* acceptor context lifetime according to gss_inquire_context()
* acceptor context lifetime according to gss_context_time()
*/
static void
display_time(OM_uint32 tval)
{
if (tval == GSS_C_INDEFINITE)
puts("indefinite");
else
printf("%u\n", (unsigned int)tval);
}
int
main(int argc, char *argv[])
{
OM_uint32 minor, major;
gss_cred_id_t icred, acred;
gss_name_t tname;
gss_ctx_id_t ictx = GSS_C_NO_CONTEXT, actx = GSS_C_NO_CONTEXT;
gss_buffer_desc itok = GSS_C_EMPTY_BUFFER, atok = GSS_C_EMPTY_BUFFER;
OM_uint32 time_req = GSS_C_INDEFINITE, time_rec;
if (argc < 2 || argc > 3) {
fprintf(stderr, "Usage: %s targetname [time_req]\n", argv[0]);
return 1;
}
tname = import_name(argv[1]);
if (argc >= 3)
time_req = atoll(argv[2]);
/* Get initiator cred and display its lifetime according to
* gss_acquire_cred and gss_inquire_cred. */
major = gss_acquire_cred(&minor, GSS_C_NO_NAME, time_req, &mechset_krb5,
GSS_C_INITIATE, &icred, NULL, &time_rec);
check_gsserr("gss_acquire_cred(initiate)", major, minor);
display_time(time_rec);
major = gss_inquire_cred(&minor, icred, NULL, &time_rec, NULL, NULL);
check_gsserr("gss_inquire_cred(initiate)", major, minor);
display_time(time_rec);
/* Get acceptor cred and display its lifetime according to gss_acquire_cred
* and gss_inquire_cred. */
major = gss_acquire_cred(&minor, GSS_C_NO_NAME, time_req, &mechset_krb5,
GSS_C_ACCEPT, &acred, NULL, &time_rec);
check_gsserr("gss_acquire_cred(accept)", major, minor);
display_time(time_rec);
major = gss_inquire_cred(&minor, acred, NULL, &time_rec, NULL, NULL);
check_gsserr("gss_inquire_cred(accept)", major, minor);
display_time(time_rec);
/* Make an initiator context and display its lifetime according to
* gss_init_sec_context, gss_inquire_context, and gss_context_time. */
major = gss_init_sec_context(&minor, icred, &ictx, tname, &mech_krb5, 0,
time_req, GSS_C_NO_CHANNEL_BINDINGS, &atok,
NULL, &itok, NULL, &time_rec);
check_gsserr("gss_init_sec_context", major, minor);
assert(major == GSS_S_COMPLETE);
display_time(time_rec);
major = gss_inquire_context(&minor, ictx, NULL, NULL, &time_rec, NULL,
NULL, NULL, NULL);
check_gsserr("gss_inquire_context(initiate)", major, minor);
display_time(time_rec);
major = gss_context_time(&minor, ictx, &time_rec);
check_gsserr("gss_context_time(initiate)", major, minor);
display_time(time_rec);
major = gss_accept_sec_context(&minor, &actx, acred, &itok,
GSS_C_NO_CHANNEL_BINDINGS, NULL,
NULL, &atok, NULL, &time_rec, NULL);
check_gsserr("gss_accept_sec_context", major, minor);
assert(major == GSS_S_COMPLETE);
display_time(time_rec);
major = gss_inquire_context(&minor, actx, NULL, NULL, &time_rec, NULL,
NULL, NULL, NULL);
check_gsserr("gss_inquire_context(accept)", major, minor);
display_time(time_rec);
major = gss_context_time(&minor, actx, &time_rec);
check_gsserr("gss_context_time(accept)", major, minor);
display_time(time_rec);
(void)gss_release_buffer(&minor, &itok);
(void)gss_release_buffer(&minor, &atok);
(void)gss_release_name(&minor, &tname);
(void)gss_release_cred(&minor, &icred);
(void)gss_release_cred(&minor, &acred);
(void)gss_delete_sec_context(&minor, &ictx, NULL);
(void)gss_delete_sec_context(&minor, &actx, NULL);
return 0;
}
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