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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 2007 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     27 
     28 /*
     29  *  routine gss_duplicate_name
     30  *
     31  * This routine does not rely on mechanism implementation of this
     32  * name, but instead uses mechanism specific gss_import_name routine.
     33  */
     34 
     35 #include <mechglueP.h>
     36 #ifdef HAVE_STDLIB_H
     37 #include <stdlib.h>
     38 #endif
     39 #include <string.h>
     40 #include <errno.h>
     41 
     42 OM_uint32
     43 gss_duplicate_name(minor_status,
     44 		src_name,
     45 		dest_name)
     46 OM_uint32 *minor_status;
     47 const gss_name_t src_name;
     48 gss_name_t *dest_name;
     49 {
     50 		gss_union_name_t src_union, dest_union;
     51 		OM_uint32 major_status = GSS_S_FAILURE;
     52 
     53 
     54 	if (!minor_status)
     55 		return (GSS_S_CALL_INACCESSIBLE_WRITE);
     56 
     57 	*minor_status = 0;
     58 
     59 	/* if output_name is NULL, simply return */
     60 	if (dest_name == NULL)
     61 		return (GSS_S_CALL_INACCESSIBLE_WRITE | GSS_S_BAD_NAME);
     62 
     63 	*dest_name = 0;
     64 
     65 	if (src_name == NULL)
     66 		return (GSS_S_CALL_INACCESSIBLE_READ);
     67 
     68 	src_union = (gss_union_name_t)src_name;
     69 
     70 	/*
     71 	 * First create the union name struct that will hold the external
     72 	 * name and the name type.
     73 	 */
     74 	dest_union = (gss_union_name_t)malloc(sizeof (gss_union_name_desc));
     75 	if (!dest_union)
     76 		goto allocation_failure;
     77 
     78 	dest_union->mech_type = 0;
     79 	dest_union->mech_name = 0;
     80 	dest_union->name_type = 0;
     81 	dest_union->external_name = 0;
     82 
     83 	/* Now copy the external representaion */
     84 	if (gssint_create_copy_buffer(src_union->external_name,
     85 				&dest_union->external_name, 0))
     86 		goto allocation_failure;
     87 
     88 	if (src_union->name_type != GSS_C_NULL_OID) {
     89 		major_status = generic_gss_copy_oid(minor_status,
     90 						src_union->name_type,
     91 						&dest_union->name_type);
     92 		if (major_status != GSS_S_COMPLETE)
     93 			goto allocation_failure;
     94 	}
     95 
     96 	/*
     97 	 * See if source name is mechanim specific, if so then need to import it
     98 	 */
     99 	if (src_union->mech_type) {
    100 		major_status = generic_gss_copy_oid(minor_status,
    101 							src_union->mech_type,
    102 							&dest_union->mech_type);
    103 		if (major_status != GSS_S_COMPLETE)
    104 			goto allocation_failure;
    105 
    106 		major_status = __gss_import_internal_name(minor_status,
    107 							dest_union->mech_type,
    108 							dest_union,
    109 							&dest_union->mech_name);
    110 		if (major_status != GSS_S_COMPLETE)
    111 			goto allocation_failure;
    112 	}
    113 
    114 
    115 	*dest_name = (gss_name_t)dest_union;
    116 	return (GSS_S_COMPLETE);
    117 
    118 allocation_failure:
    119 	if (dest_union) {
    120 		if (dest_union->external_name) {
    121 			if (dest_union->external_name->value)
    122 				free(dest_union->external_name->value);
    123 				free(dest_union->external_name);
    124 		}
    125 		if (dest_union->name_type)
    126 			(void) generic_gss_release_oid(minor_status,
    127 							&dest_union->name_type);
    128 		if (dest_union->mech_name)
    129 			(void) __gss_release_internal_name(minor_status,
    130 						dest_union->mech_type,
    131 						&dest_union->mech_name);
    132 		if (dest_union->mech_type)
    133 			(void) generic_gss_release_oid(minor_status,
    134 							&dest_union->mech_type);
    135 		free(dest_union);
    136 	}
    137 	return (major_status);
    138 } /*	gss_duplicate_name	*/
    139