crypto/heimdal/lib/gssapi/mech/gss_duplicate_name.c

   1 /*-
   2  * Copyright (c) 2005 Doug Rabson
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  *      $FreeBSD: src/lib/libgssapi/gss_duplicate_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
  27  */
  28
  29 #include "mech_locl.h"
  30
  31 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
  32 gss_duplicate_name(OM_uint32 *minor_status,
  33     const gss_name_t src_name,
  34     gss_name_t *dest_name)
  35 {
  36         OM_uint32               major_status;
  37         struct _gss_name        *name = (struct _gss_name *) src_name;
  38         struct _gss_name        *new_name;
  39         struct _gss_mechanism_name *mn;
  40
  41         *minor_status = 0;
  42         *dest_name = GSS_C_NO_NAME;
  43
  44         /*
  45          * If this name has a value (i.e. it didn't come from
  46          * gss_canonicalize_name(), we re-import the thing. Otherwise,
  47          * we make copy of each mech names.
  48          */
  49         if (name->gn_value.value) {
  50                 major_status = gss_import_name(minor_status,
  51                     &name->gn_value, &name->gn_type, dest_name);
  52                 if (major_status != GSS_S_COMPLETE)
  53                         return (major_status);
  54                 new_name = (struct _gss_name *) *dest_name;
  55
  56                 HEIM_SLIST_FOREACH(mn, &name->gn_mn, gmn_link) {
  57                     struct _gss_mechanism_name *mn2;
  58                     _gss_find_mn(minor_status, new_name,
  59                                  mn->gmn_mech_oid, &mn2);
  60                 }
  61         } else {
  62                 new_name = malloc(sizeof(struct _gss_name));
  63                 if (!new_name) {
  64                         *minor_status = ENOMEM;
  65                         return (GSS_S_FAILURE);
  66                 }
  67                 memset(new_name, 0, sizeof(struct _gss_name));
  68                 HEIM_SLIST_INIT(&new_name->gn_mn);
  69                 *dest_name = (gss_name_t) new_name;
  70
  71                 HEIM_SLIST_FOREACH(mn, &name->gn_mn, gmn_link) {
  72                         struct _gss_mechanism_name *new_mn;
  73
  74                         new_mn = malloc(sizeof(*new_mn));
  75                         if (!new_mn) {
  76                                 *minor_status = ENOMEM;
  77                                 return GSS_S_FAILURE;
  78                         }
  79                         new_mn->gmn_mech = mn->gmn_mech;
  80                         new_mn->gmn_mech_oid = mn->gmn_mech_oid;
  81
  82                         major_status =
  83                             mn->gmn_mech->gm_duplicate_name(minor_status,
  84                                 mn->gmn_name, &new_mn->gmn_name);
  85                         if (major_status != GSS_S_COMPLETE) {
  86                                 free(new_mn);
  87                                 continue;
  88                         }
  89                         HEIM_SLIST_INSERT_HEAD(&new_name->gn_mn, new_mn, gmn_link);
  90                 }
  91
  92         }
  93
  94         return (GSS_S_COMPLETE);
  95 }