1153838Sdfr/*- 2153838Sdfr * Copyright (c) 2005 Doug Rabson 3153838Sdfr * All rights reserved. 4153838Sdfr * 5153838Sdfr * Redistribution and use in source and binary forms, with or without 6153838Sdfr * modification, are permitted provided that the following conditions 7153838Sdfr * are met: 8153838Sdfr * 1. Redistributions of source code must retain the above copyright 9153838Sdfr * notice, this list of conditions and the following disclaimer. 10153838Sdfr * 2. Redistributions in binary form must reproduce the above copyright 11153838Sdfr * notice, this list of conditions and the following disclaimer in the 12153838Sdfr * documentation and/or other materials provided with the distribution. 13153838Sdfr * 14153838Sdfr * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15153838Sdfr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16153838Sdfr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17153838Sdfr * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18153838Sdfr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19153838Sdfr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20153838Sdfr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21153838Sdfr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22153838Sdfr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23153838Sdfr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24153838Sdfr * SUCH DAMAGE. 25153838Sdfr * 26153838Sdfr * $FreeBSD$ 27153838Sdfr */ 28153838Sdfr 29153838Sdfr#include <gssapi/gssapi.h> 30153838Sdfr#include <stdlib.h> 31168340Skan#include <string.h> 32153838Sdfr#include <errno.h> 33153838Sdfr 34153838Sdfr#include "mech_switch.h" 35153838Sdfr#include "context.h" 36178828Sdfr#include "utils.h" 37153838Sdfr 38153838SdfrOM_uint32 39153838Sdfrgss_export_sec_context(OM_uint32 *minor_status, 40153838Sdfr gss_ctx_id_t *context_handle, 41153838Sdfr gss_buffer_t interprocess_token) 42153838Sdfr{ 43153838Sdfr OM_uint32 major_status; 44153838Sdfr struct _gss_context *ctx = (struct _gss_context *) *context_handle; 45153838Sdfr struct _gss_mech_switch *m = ctx->gc_mech; 46153838Sdfr gss_buffer_desc buf; 47153838Sdfr 48178828Sdfr _gss_buffer_zero(interprocess_token); 49178828Sdfr 50153838Sdfr major_status = m->gm_export_sec_context(minor_status, 51153838Sdfr &ctx->gc_ctx, &buf); 52153838Sdfr 53153838Sdfr if (major_status == GSS_S_COMPLETE) { 54153838Sdfr unsigned char *p; 55153838Sdfr 56153838Sdfr free(ctx); 57153838Sdfr *context_handle = GSS_C_NO_CONTEXT; 58153838Sdfr interprocess_token->length = buf.length 59153838Sdfr + 2 + m->gm_mech_oid.length; 60153838Sdfr interprocess_token->value = malloc(interprocess_token->length); 61153838Sdfr if (!interprocess_token->value) { 62153838Sdfr /* 63153838Sdfr * We are in trouble here - the context is 64153838Sdfr * already gone. This is allowed as long as we 65153838Sdfr * set the caller's context_handle to 66153838Sdfr * GSS_C_NO_CONTEXT, which we did above. 67153838Sdfr * Return GSS_S_FAILURE. 68153838Sdfr */ 69178828Sdfr _gss_buffer_zero(interprocess_token); 70153838Sdfr *minor_status = ENOMEM; 71153838Sdfr return (GSS_S_FAILURE); 72153838Sdfr } 73153838Sdfr p = interprocess_token->value; 74153838Sdfr p[0] = m->gm_mech_oid.length >> 8; 75153838Sdfr p[1] = m->gm_mech_oid.length; 76153838Sdfr memcpy(p + 2, m->gm_mech_oid.elements, m->gm_mech_oid.length); 77153838Sdfr memcpy(p + 2 + m->gm_mech_oid.length, buf.value, buf.length); 78153838Sdfr gss_release_buffer(minor_status, &buf); 79178828Sdfr } else { 80178828Sdfr _gss_mg_error(m, major_status, *minor_status); 81153838Sdfr } 82153838Sdfr 83153838Sdfr return (major_status); 84153838Sdfr} 85