78 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*-
 | |
|  * Copyright (c) 2005 Doug Rabson
 | |
|  * All rights reserved.
 | |
|  *
 | |
|  * Redistribution and use in source and binary forms, with or without
 | |
|  * modification, are permitted provided that the following conditions
 | |
|  * are met:
 | |
|  * 1. Redistributions of source code must retain the above copyright
 | |
|  *    notice, this list of conditions and the following disclaimer.
 | |
|  * 2. 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 AUTHOR 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 AUTHOR 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.
 | |
|  *
 | |
|  *	$FreeBSD: src/lib/libgssapi/gss_export_sec_context.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
 | |
|  */
 | |
| 
 | |
| #include "mech_locl.h"
 | |
| 
 | |
| GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
 | |
| gss_export_sec_context(OM_uint32 *minor_status,
 | |
|     gss_ctx_id_t *context_handle,
 | |
|     gss_buffer_t interprocess_token)
 | |
| {
 | |
| 	OM_uint32 major_status;
 | |
| 	struct _gss_context *ctx = (struct _gss_context *) *context_handle;
 | |
| 	gssapi_mech_interface m = ctx->gc_mech;
 | |
| 	gss_buffer_desc buf;
 | |
| 
 | |
| 	_mg_buffer_zero(interprocess_token);
 | |
| 
 | |
| 	major_status = m->gm_export_sec_context(minor_status,
 | |
| 	    &ctx->gc_ctx, &buf);
 | |
| 	
 | |
| 	if (major_status == GSS_S_COMPLETE) {
 | |
| 		unsigned char *p;
 | |
| 
 | |
| 		free(ctx);
 | |
| 		*context_handle = GSS_C_NO_CONTEXT;
 | |
| 		interprocess_token->length = buf.length
 | |
| 			+ 2 + m->gm_mech_oid.length;
 | |
| 		interprocess_token->value = malloc(interprocess_token->length);
 | |
| 		if (!interprocess_token->value) {
 | |
| 			/*
 | |
| 			 * We are in trouble here - the context is
 | |
| 			 * already gone. This is allowed as long as we
 | |
| 			 * set the caller's context_handle to
 | |
| 			 * GSS_C_NO_CONTEXT, which we did above.
 | |
| 			 * Return GSS_S_FAILURE.
 | |
| 			 */
 | |
| 			_mg_buffer_zero(interprocess_token);
 | |
| 			*minor_status = ENOMEM;
 | |
| 			return (GSS_S_FAILURE);
 | |
| 		}
 | |
| 		p = interprocess_token->value;
 | |
| 		p[0] = m->gm_mech_oid.length >> 8;
 | |
| 		p[1] = m->gm_mech_oid.length;
 | |
| 		memcpy(p + 2, m->gm_mech_oid.elements, m->gm_mech_oid.length);
 | |
| 		memcpy(p + 2 + m->gm_mech_oid.length, buf.value, buf.length);
 | |
| 		gss_release_buffer(minor_status, &buf);
 | |
| 	} else {
 | |
| 		_gss_mg_error(m, major_status, *minor_status);
 | |
| 	}
 | |
| 
 | |
| 	return (major_status);
 | |
| }
 | 
