1264919Sjkim/*- 2264919Sjkim * SPDX-License-Identifier: BSD-2-Clause 3264919Sjkim * 4264919Sjkim * Copyright (c) 2005 Doug Rabson 5264919Sjkim * All rights reserved. 6264919Sjkim * 7316303Sjkim * Redistribution and use in source and binary forms, with or without 8316303Sjkim * modification, are permitted provided that the following conditions 9316303Sjkim * are met: 10316303Sjkim * 1. Redistributions of source code must retain the above copyright 11316303Sjkim * notice, this list of conditions and the following disclaimer. 12264919Sjkim * 2. Redistributions in binary form must reproduce the above copyright 13264919Sjkim * notice, this list of conditions and the following disclaimer in the 14316303Sjkim * documentation and/or other materials provided with the distribution. 15316303Sjkim * 16316303Sjkim * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17316303Sjkim * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18316303Sjkim * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19316303Sjkim * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20316303Sjkim * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21316303Sjkim * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22316303Sjkim * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23316303Sjkim * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24316303Sjkim * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25316303Sjkim * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26316303Sjkim * SUCH DAMAGE. 27316303Sjkim */ 28316303Sjkim 29316303Sjkim#include <gssapi/gssapi.h> 30316303Sjkim#include <stdlib.h> 31316303Sjkim#include <string.h> 32316303Sjkim#include <errno.h> 33316303Sjkim 34316303Sjkim#include "mech_switch.h" 35316303Sjkim#include "context.h" 36316303Sjkim#include "utils.h" 37316303Sjkim 38316303SjkimOM_uint32 39316303Sjkimgss_export_sec_context(OM_uint32 *minor_status, 40316303Sjkim gss_ctx_id_t *context_handle, 41316303Sjkim gss_buffer_t interprocess_token) 42316303Sjkim{ 43316303Sjkim OM_uint32 major_status; 44316303Sjkim struct _gss_context *ctx = (struct _gss_context *) *context_handle; 45316303Sjkim struct _gss_mech_switch *m = ctx->gc_mech; 46316303Sjkim gss_buffer_desc buf; 47316303Sjkim 48316303Sjkim _gss_buffer_zero(interprocess_token); 49316303Sjkim 50316303Sjkim major_status = m->gm_export_sec_context(minor_status, 51316303Sjkim &ctx->gc_ctx, &buf); 52316303Sjkim 53316303Sjkim if (major_status == GSS_S_COMPLETE) { 54316303Sjkim unsigned char *p; 55316303Sjkim 56316303Sjkim free(ctx); 57316303Sjkim *context_handle = GSS_C_NO_CONTEXT; 58316303Sjkim interprocess_token->length = buf.length 59316303Sjkim + 2 + m->gm_mech_oid.length; 60316303Sjkim interprocess_token->value = malloc(interprocess_token->length); 61316303Sjkim if (!interprocess_token->value) { 62316303Sjkim /* 63316303Sjkim * We are in trouble here - the context is 64316303Sjkim * already gone. This is allowed as long as we 65316303Sjkim * set the caller's context_handle to 66316303Sjkim * GSS_C_NO_CONTEXT, which we did above. 67316303Sjkim * Return GSS_S_FAILURE. 68316303Sjkim */ 69316303Sjkim _gss_buffer_zero(interprocess_token); 70316303Sjkim *minor_status = ENOMEM; 71316303Sjkim return (GSS_S_FAILURE); 72316303Sjkim } 73316303Sjkim p = interprocess_token->value; 74316303Sjkim p[0] = m->gm_mech_oid.length >> 8; 75316303Sjkim p[1] = m->gm_mech_oid.length; 76316303Sjkim memcpy(p + 2, m->gm_mech_oid.elements, m->gm_mech_oid.length); 77316303Sjkim memcpy(p + 2 + m->gm_mech_oid.length, buf.value, buf.length); 78316303Sjkim gss_release_buffer(minor_status, &buf); 79316303Sjkim } else { 80316303Sjkim _gss_mg_error(m, major_status, *minor_status); 81316303Sjkim } 82316303Sjkim 83316303Sjkim return (major_status); 84316303Sjkim} 85316303Sjkim