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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 (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 /*
     22  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 /*
     27  *  glue routine for gss_display_name()
     28  *
     29  */
     30 
     31 #include <mechglueP.h>
     32 #include <stdio.h>
     33 #ifdef HAVE_STDLIB_H
     34 #include <stdlib.h>
     35 #endif
     36 #include <string.h>
     37 
     38 static OM_uint32
     39 val_dsp_name_args(
     40 	OM_uint32 *minor_status,
     41 	gss_name_t input_name,
     42 	gss_buffer_t output_name_buffer,
     43 	gss_OID *output_name_type)
     44 {
     45 
     46 	/* Initialize outputs. */
     47 
     48 	if (minor_status != NULL)
     49 		*minor_status = 0;
     50 
     51 	if (output_name_buffer != GSS_C_NO_BUFFER) {
     52 		output_name_buffer->length = 0;
     53 		output_name_buffer->value = NULL;
     54 	}
     55 
     56 	if (output_name_type != NULL)
     57 		*output_name_type = GSS_C_NO_OID;
     58 
     59 	/* Validate arguments. */
     60 
     61 	if (minor_status == NULL)
     62 		return (GSS_S_CALL_INACCESSIBLE_WRITE);
     63 
     64 	if (output_name_buffer == GSS_C_NO_BUFFER)
     65 		return (GSS_S_CALL_INACCESSIBLE_WRITE);
     66 
     67 	if (input_name == GSS_C_NO_NAME)
     68 		return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_BAD_NAME);
     69 
     70 	return (GSS_S_COMPLETE);
     71 }
     72 
     73 OM_uint32
     74 gss_display_name(minor_status,
     75 			input_name,
     76 			output_name_buffer,
     77 			output_name_type)
     78 
     79 OM_uint32 *			minor_status;
     80 const gss_name_t		input_name;
     81 gss_buffer_t			output_name_buffer;
     82 gss_OID *			output_name_type;
     83 
     84 {
     85 	OM_uint32			major_status;
     86 	gss_union_name_t		union_name;
     87 
     88 	major_status = val_dsp_name_args(minor_status, input_name,
     89 					output_name_buffer, output_name_type);
     90 	if (major_status != GSS_S_COMPLETE)
     91 		return (major_status);
     92 
     93 	union_name = (gss_union_name_t)input_name;
     94 
     95 	if (union_name->mech_type) {
     96 		/*
     97 		 * OK, we have a mechanism-specific name; let's use it!
     98 		 */
     99 		return (__gss_display_internal_name(minor_status,
    100 							union_name->mech_type,
    101 							union_name->mech_name,
    102 							output_name_buffer,
    103 							output_name_type));
    104 	}
    105 
    106 	/*
    107 	 * copy the value of the external_name component of the union
    108 	 * name into the output_name_buffer and point the output_name_type
    109 	 * to the name_type component of union_name
    110 	 */
    111 	if (output_name_type != NULL &&
    112 	    union_name->name_type != GSS_C_NULL_OID) {
    113 		major_status = generic_gss_copy_oid(minor_status,
    114 						union_name->name_type,
    115 						output_name_type);
    116 		if (major_status != GSS_S_COMPLETE)
    117 			return (major_status);
    118 	}
    119 
    120 	if ((output_name_buffer->value =
    121 		malloc(union_name->external_name->length + 1)) == NULL) {
    122 		if (output_name_type && *output_name_type != GSS_C_NULL_OID) {
    123 			(void) generic_gss_release_oid(minor_status,
    124 						    output_name_type);
    125 			*output_name_type = NULL;
    126 		}
    127 		return (GSS_S_FAILURE);
    128 	}
    129 	output_name_buffer->length = union_name->external_name->length;
    130 	(void) memcpy(output_name_buffer->value,
    131 		    union_name->external_name->value,
    132 		union_name->external_name->length);
    133 	((char *)output_name_buffer->value)[output_name_buffer->length] = '\0';
    134 
    135 	return (GSS_S_COMPLETE);
    136 }
    137