78 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*-
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 * Copyright (c) 2005 Doug Rabson
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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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 * 1. 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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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR 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, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 *	$FreeBSD: src/lib/libgssapi/gss_export_sec_context.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
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 */
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#include "mech_locl.h"
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GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
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gss_export_sec_context(OM_uint32 *minor_status,
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    gss_ctx_id_t *context_handle,
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    gss_buffer_t interprocess_token)
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{
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	OM_uint32 major_status;
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	struct _gss_context *ctx = (struct _gss_context *) *context_handle;
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	gssapi_mech_interface m = ctx->gc_mech;
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	gss_buffer_desc buf;
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	_mg_buffer_zero(interprocess_token);
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	major_status = m->gm_export_sec_context(minor_status,
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	    &ctx->gc_ctx, &buf);
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	if (major_status == GSS_S_COMPLETE) {
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		unsigned char *p;
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		free(ctx);
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		*context_handle = GSS_C_NO_CONTEXT;
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		interprocess_token->length = buf.length
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			+ 2 + m->gm_mech_oid.length;
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		interprocess_token->value = malloc(interprocess_token->length);
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		if (!interprocess_token->value) {
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			/*
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			 * We are in trouble here - the context is
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			 * already gone. This is allowed as long as we
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			 * set the caller's context_handle to
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			 * GSS_C_NO_CONTEXT, which we did above.
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			 * Return GSS_S_FAILURE.
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			 */
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			_mg_buffer_zero(interprocess_token);
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			*minor_status = ENOMEM;
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			return (GSS_S_FAILURE);
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		}
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		p = interprocess_token->value;
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		p[0] = m->gm_mech_oid.length >> 8;
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		p[1] = m->gm_mech_oid.length;
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		memcpy(p + 2, m->gm_mech_oid.elements, m->gm_mech_oid.length);
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		memcpy(p + 2 + m->gm_mech_oid.length, buf.value, buf.length);
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		gss_release_buffer(minor_status, &buf);
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	} else {
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		_gss_mg_error(m, major_status, *minor_status);
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	}
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	return (major_status);
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}
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