usr/src/lib/libgss/g_dsp_name.c

   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 (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
  23  */
  24
  25 /*
  26  *  glue routine for gss_display_name()
  27  *
  28  */
  29
  30 #include <mechglueP.h>
  31 #include "gssapiP_generic.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                         map_errcode(minor_status);
 118                         return (major_status);
 119                 }
 120         }
 121
 122         if ((output_name_buffer->value =
 123                 malloc(union_name->external_name->length + 1)) == NULL) {
 124                 if (output_name_type && *output_name_type != GSS_C_NULL_OID) {
 125                         (void) generic_gss_release_oid(minor_status,
 126                                                     output_name_type);
 127                         *output_name_type = NULL;
 128                 }
 129                 return (GSS_S_FAILURE);
 130         }
 131         output_name_buffer->length = union_name->external_name->length;
 132         (void) memcpy(output_name_buffer->value,
 133                     union_name->external_name->value,
 134                 union_name->external_name->length);
 135         ((char *)output_name_buffer->value)[output_name_buffer->length] = '\0';
 136
 137         return (GSS_S_COMPLETE);
 138 }