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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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/* tests/gssapi/t_lifetime.c - display cred and context lifetimes */
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/*
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* Copyright (C) 2017 by the Massachusetts Institute of Technology.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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#include "common.h"
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/*
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* Using the default credential, exercise the GSS functions which accept or
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* produce lifetimes. Display the following results, one per line, as ASCII
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* integers or the string "indefinite":
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*
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* initiator cred lifetime according to gss_acquire_cred()
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* initiator cred lifetime according to gss_inquire_cred()
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* acceptor cred lifetime according to gss_acquire_cred()
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* acceptor cred lifetime according to gss_inquire_cred()
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* initiator context lifetime according to gss_init_sec_context()
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* initiator context lifetime according to gss_inquire_context()
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* initiator context lifetime according to gss_context_time()
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* acceptor context lifetime according to gss_init_sec_context()
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* acceptor context lifetime according to gss_inquire_context()
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* acceptor context lifetime according to gss_context_time()
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*/
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static void
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display_time(OM_uint32 tval)
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{
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if (tval == GSS_C_INDEFINITE)
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puts("indefinite");
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else
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printf("%u\n", (unsigned int)tval);
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}
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int
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main(int argc, char *argv[])
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{
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OM_uint32 minor, major;
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gss_cred_id_t icred, acred;
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gss_name_t tname;
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gss_ctx_id_t ictx = GSS_C_NO_CONTEXT, actx = GSS_C_NO_CONTEXT;
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gss_buffer_desc itok = GSS_C_EMPTY_BUFFER, atok = GSS_C_EMPTY_BUFFER;
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OM_uint32 time_req = GSS_C_INDEFINITE, time_rec;
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if (argc < 2 || argc > 3) {
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fprintf(stderr, "Usage: %s targetname [time_req]\n", argv[0]);
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return 1;
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}
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tname = import_name(argv[1]);
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if (argc >= 3)
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time_req = atoll(argv[2]);
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/* Get initiator cred and display its lifetime according to
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* gss_acquire_cred and gss_inquire_cred. */
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major = gss_acquire_cred(&minor, GSS_C_NO_NAME, time_req, &mechset_krb5,
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GSS_C_INITIATE, &icred, NULL, &time_rec);
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check_gsserr("gss_acquire_cred(initiate)", major, minor);
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display_time(time_rec);
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major = gss_inquire_cred(&minor, icred, NULL, &time_rec, NULL, NULL);
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check_gsserr("gss_inquire_cred(initiate)", major, minor);
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display_time(time_rec);
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/* Get acceptor cred and display its lifetime according to gss_acquire_cred
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* and gss_inquire_cred. */
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major = gss_acquire_cred(&minor, GSS_C_NO_NAME, time_req, &mechset_krb5,
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GSS_C_ACCEPT, &acred, NULL, &time_rec);
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check_gsserr("gss_acquire_cred(accept)", major, minor);
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display_time(time_rec);
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major = gss_inquire_cred(&minor, acred, NULL, &time_rec, NULL, NULL);
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check_gsserr("gss_inquire_cred(accept)", major, minor);
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display_time(time_rec);
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/* Make an initiator context and display its lifetime according to
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* gss_init_sec_context, gss_inquire_context, and gss_context_time. */
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major = gss_init_sec_context(&minor, icred, &ictx, tname, &mech_krb5, 0,
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time_req, GSS_C_NO_CHANNEL_BINDINGS, &atok,
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NULL, &itok, NULL, &time_rec);
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check_gsserr("gss_init_sec_context", major, minor);
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assert(major == GSS_S_COMPLETE);
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display_time(time_rec);
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major = gss_inquire_context(&minor, ictx, NULL, NULL, &time_rec, NULL,
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NULL, NULL, NULL);
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check_gsserr("gss_inquire_context(initiate)", major, minor);
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display_time(time_rec);
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major = gss_context_time(&minor, ictx, &time_rec);
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check_gsserr("gss_context_time(initiate)", major, minor);
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display_time(time_rec);
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major = gss_accept_sec_context(&minor, &actx, acred, &itok,
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GSS_C_NO_CHANNEL_BINDINGS, NULL,
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NULL, &atok, NULL, &time_rec, NULL);
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check_gsserr("gss_accept_sec_context", major, minor);
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assert(major == GSS_S_COMPLETE);
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display_time(time_rec);
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major = gss_inquire_context(&minor, actx, NULL, NULL, &time_rec, NULL,
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NULL, NULL, NULL);
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check_gsserr("gss_inquire_context(accept)", major, minor);
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display_time(time_rec);
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major = gss_context_time(&minor, actx, &time_rec);
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check_gsserr("gss_context_time(accept)", major, minor);
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display_time(time_rec);
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(void)gss_release_buffer(&minor, &itok);
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(void)gss_release_buffer(&minor, &atok);
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(void)gss_release_name(&minor, &tname);
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(void)gss_release_cred(&minor, &icred);
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(void)gss_release_cred(&minor, &acred);
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(void)gss_delete_sec_context(&minor, &ictx, NULL);
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(void)gss_delete_sec_context(&minor, &actx, NULL);
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return 0;
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}
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