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/* #pragma ident "@(#)g_unseal.c 1.13 98/01/22 SMI" */
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/*
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* Copyright 1996 by Sun Microsystems, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appears in all copies and
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* that both that copyright notice and this permission notice appear in
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* supporting documentation, and that the name of Sun Microsystems not be used
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* in advertising or publicity pertaining to distribution of the software
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* without specific, written prior permission. Sun Microsystems makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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* SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
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* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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* glue routine gss_unwrap
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*/
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#include "mglueP.h"
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OM_uint32 KRB5_CALLCONV
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gss_unwrap (minor_status,
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context_handle,
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input_message_buffer,
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output_message_buffer,
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conf_state,
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qop_state)
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OM_uint32 * minor_status;
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gss_ctx_id_t context_handle;
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gss_buffer_t input_message_buffer;
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gss_buffer_t output_message_buffer;
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int * conf_state;
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gss_qop_t * qop_state;
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{
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/* EXPORT DELETE START */
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OM_uint32 status;
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gss_union_ctx_id_t ctx;
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gss_mechanism mech;
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if (minor_status != NULL)
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*minor_status = 0;
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if (output_message_buffer != GSS_C_NO_BUFFER) {
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output_message_buffer->length = 0;
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output_message_buffer->value = NULL;
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}
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if (minor_status == NULL)
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return (GSS_S_CALL_INACCESSIBLE_WRITE);
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if (context_handle == GSS_C_NO_CONTEXT)
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return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT);
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if (input_message_buffer == GSS_C_NO_BUFFER ||
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GSS_EMPTY_BUFFER(input_message_buffer))
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return (GSS_S_CALL_INACCESSIBLE_READ);
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if (output_message_buffer == GSS_C_NO_BUFFER)
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return (GSS_S_CALL_INACCESSIBLE_WRITE);
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/*
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* select the approprate underlying mechanism routine and
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* call it.
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*/
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ctx = (gss_union_ctx_id_t) context_handle;
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if (ctx->internal_ctx_id == GSS_C_NO_CONTEXT)
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return (GSS_S_NO_CONTEXT);
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mech = gssint_get_mechanism (ctx->mech_type);
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if (mech) {
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if (mech->gss_unwrap) {
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status = mech->gss_unwrap(minor_status,
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ctx->internal_ctx_id,
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input_message_buffer,
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output_message_buffer,
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conf_state,
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qop_state);
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if (status != GSS_S_COMPLETE)
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map_error(minor_status, mech);
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} else if (mech->gss_unwrap_aead || mech->gss_unwrap_iov) {
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status = gssint_unwrap_aead(mech,
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minor_status,
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ctx,
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input_message_buffer,
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GSS_C_NO_BUFFER,
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output_message_buffer,
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conf_state,
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(gss_qop_t *)qop_state);
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} else
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status = GSS_S_UNAVAILABLE;
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return(status);
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}
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/* EXPORT DELETE END */
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return (GSS_S_BAD_MECH);
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}
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OM_uint32 KRB5_CALLCONV
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gss_unseal (minor_status,
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context_handle,
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input_message_buffer,
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output_message_buffer,
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conf_state,
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qop_state)
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OM_uint32 * minor_status;
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gss_ctx_id_t context_handle;
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gss_buffer_t input_message_buffer;
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gss_buffer_t output_message_buffer;
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int * conf_state;
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int * qop_state;
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{
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return (gss_unwrap(minor_status, context_handle,
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input_message_buffer,
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output_message_buffer, conf_state, (gss_qop_t *) qop_state));
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}
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