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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License, Version 1.0 only
      6  * (the "License").  You may not use this file except in compliance
      7  * with the License.
      8  *
      9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     10  * or http://www.opensolaris.org/os/licensing.
     11  * See the License for the specific language governing permissions
     12  * and limitations under the License.
     13  *
     14  * When distributing Covered Code, include this CDDL HEADER in each
     15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     16  * If applicable, add the following below this CDDL HEADER, with the
     17  * fields enclosed by brackets "[]" replaced with your own identifying
     18  * information: Portions Copyright [yyyy] [name of copyright owner]
     19  *
     20  * CDDL HEADER END
     21  */
     22 /*
     23  * Copyright (c) 1996,1997, by Sun Microsystems, Inc.
     24  * All rights reserved.
     25  */
     26 
     27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     28 
     29 /*
     30  *  glue routine for gss_seal
     31  */
     32 
     33 #include <mechglueP.h>
     34 
     35 /*ARGSUSED*/
     36 OM_uint32
     37 gss_seal(minor_status,
     38 		context_handle,
     39 		conf_req_flag,
     40 		qop_req,
     41 		input_message_buffer,
     42 		conf_state,
     43 		output_message_buffer)
     44 
     45 OM_uint32 *			minor_status;
     46 gss_ctx_id_t			context_handle;
     47 int				conf_req_flag;
     48 int				qop_req;
     49 gss_buffer_t			input_message_buffer;
     50 int *				conf_state;
     51 gss_buffer_t			output_message_buffer;
     52 {
     53 /* EXPORT DELETE START */
     54 
     55 	OM_uint32		status;
     56 	gss_union_ctx_id_t	ctx;
     57 	gss_mechanism		mech;
     58 
     59 
     60 	if (minor_status == NULL)
     61 		return (GSS_S_CALL_INACCESSIBLE_WRITE);
     62 	*minor_status = 0;
     63 
     64 	if (context_handle == GSS_C_NO_CONTEXT)
     65 		return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT);
     66 
     67 	if (input_message_buffer == NULL)
     68 		return (GSS_S_CALL_INACCESSIBLE_READ);
     69 
     70 	if (output_message_buffer == NULL)
     71 		return (GSS_S_CALL_INACCESSIBLE_WRITE);
     72 
     73 	/*
     74 	 * select the approprate underlying mechanism routine and
     75 	 * call it.
     76 	 */
     77 
     78 	ctx = (gss_union_ctx_id_t) context_handle;
     79 	mech = __gss_get_mechanism(ctx->mech_type);
     80 
     81 	if (mech) {
     82 		if (mech->gss_seal)
     83 			status = mech->gss_seal(
     84 						mech->context,
     85 						minor_status,
     86 						ctx->internal_ctx_id,
     87 						conf_req_flag,
     88 						qop_req,
     89 						input_message_buffer,
     90 						conf_state,
     91 						output_message_buffer);
     92 		else
     93 			status = GSS_S_UNAVAILABLE;
     94 
     95 		return (status);
     96 	}
     97 /* EXPORT DELETE END */
     98 
     99 	return (GSS_S_BAD_MECH);
    100 }
    101 
    102 OM_uint32
    103 gss_wrap(minor_status,
    104 		context_handle,
    105 		conf_req_flag,
    106 		qop_req,
    107 		input_message_buffer,
    108 		conf_state,
    109 		output_message_buffer)
    110 
    111 OM_uint32 *			minor_status;
    112 const gss_ctx_id_t		context_handle;
    113 int				conf_req_flag;
    114 gss_qop_t			qop_req;
    115 const gss_buffer_t		input_message_buffer;
    116 int *				conf_state;
    117 gss_buffer_t			output_message_buffer;
    118 
    119 {
    120 	return gss_seal(minor_status, (gss_ctx_id_t)context_handle,
    121 			conf_req_flag, (int) qop_req,
    122 			(gss_buffer_t)input_message_buffer, conf_state,
    123 			output_message_buffer);
    124 }
    125 
    126 /*
    127  * New for V2
    128  */
    129 OM_uint32
    130 gss_wrap_size_limit(minor_status, context_handle, conf_req_flag,
    131 				qop_req, req_output_size, max_input_size)
    132 	OM_uint32		*minor_status;
    133 	const gss_ctx_id_t	context_handle;
    134 	int			conf_req_flag;
    135 	gss_qop_t		qop_req;
    136 	OM_uint32		req_output_size;
    137 	OM_uint32		*max_input_size;
    138 {
    139 	gss_union_ctx_id_t	ctx;
    140 	gss_mechanism		mech;
    141 
    142 	if (minor_status == NULL)
    143 		return (GSS_S_CALL_INACCESSIBLE_WRITE);
    144 	*minor_status = 0;
    145 
    146 	if (context_handle == GSS_C_NO_CONTEXT)
    147 		return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT);
    148 
    149 	if (max_input_size == NULL)
    150 		return (GSS_S_CALL_INACCESSIBLE_WRITE);
    151 
    152 	/*
    153 	 * select the approprate underlying mechanism routine and
    154 	 * call it.
    155 	 */
    156 
    157 	ctx = (gss_union_ctx_id_t) context_handle;
    158 	mech = __gss_get_mechanism(ctx->mech_type);
    159 
    160 	if (!mech)
    161 		return (GSS_S_BAD_MECH);
    162 
    163 	if (!mech->gss_wrap_size_limit)
    164 		return (GSS_S_UNAVAILABLE);
    165 
    166 	return (mech->gss_wrap_size_limit(mech->context, minor_status,
    167 				ctx->internal_ctx_id, conf_req_flag, qop_req,
    168 				req_output_size, max_input_size));
    169 }
    170