1/*- 2 * Copyright (c) 2005 Doug Rabson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: src/lib/libgssapi/gss_export_sec_context.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ 27 */ 28 29#include "mech_locl.h" 30RCSID("$Id: gss_export_sec_context.c,v 1.1.1.1 2011/06/10 09:34:42 andrew Exp $"); 31 32OM_uint32 GSSAPI_LIB_FUNCTION 33gss_export_sec_context(OM_uint32 *minor_status, 34 gss_ctx_id_t *context_handle, 35 gss_buffer_t interprocess_token) 36{ 37 OM_uint32 major_status; 38 struct _gss_context *ctx = (struct _gss_context *) *context_handle; 39 gssapi_mech_interface m = ctx->gc_mech; 40 gss_buffer_desc buf; 41 42 _mg_buffer_zero(interprocess_token); 43 44 major_status = m->gm_export_sec_context(minor_status, 45 &ctx->gc_ctx, &buf); 46 47 if (major_status == GSS_S_COMPLETE) { 48 unsigned char *p; 49 50 free(ctx); 51 *context_handle = GSS_C_NO_CONTEXT; 52 interprocess_token->length = buf.length 53 + 2 + m->gm_mech_oid.length; 54 interprocess_token->value = malloc(interprocess_token->length); 55 if (!interprocess_token->value) { 56 /* 57 * We are in trouble here - the context is 58 * already gone. This is allowed as long as we 59 * set the caller's context_handle to 60 * GSS_C_NO_CONTEXT, which we did above. 61 * Return GSS_S_FAILURE. 62 */ 63 _mg_buffer_zero(interprocess_token); 64 *minor_status = ENOMEM; 65 return (GSS_S_FAILURE); 66 } 67 p = interprocess_token->value; 68 p[0] = m->gm_mech_oid.length >> 8; 69 p[1] = m->gm_mech_oid.length; 70 memcpy(p + 2, m->gm_mech_oid.elements, m->gm_mech_oid.length); 71 memcpy(p + 2 + m->gm_mech_oid.length, buf.value, buf.length); 72 gss_release_buffer(minor_status, &buf); 73 } else { 74 _gss_mg_error(m, major_status, *minor_status); 75 } 76 77 return (major_status); 78} 79