crypto/external/bsd/heimdal/dist/lib/gssapi/mech/gss_duplicate_name.c

   1 /*      $NetBSD: gss_duplicate_name.c,v 1.1.1.2 2014/04/24 12:45:29 pettai Exp $        */
   2
   3 /*-
   4  * Copyright (c) 2005 Doug Rabson
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  *
  28  *      $FreeBSD: src/lib/libgssapi/gss_duplicate_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
  29  */
  30
  31 #include "mech_locl.h"
  32
  33 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
  34 gss_duplicate_name(OM_uint32 *minor_status,
  35     const gss_name_t src_name,
  36     gss_name_t *dest_name)
  37 {
  38         OM_uint32               major_status;
  39         struct _gss_name        *name = (struct _gss_name *) src_name;
  40         struct _gss_name        *new_name;
  41         struct _gss_mechanism_name *mn;
  42
  43         *minor_status = 0;
  44         *dest_name = GSS_C_NO_NAME;
  45
  46         /*
  47          * If this name has a value (i.e. it didn't come from
  48          * gss_canonicalize_name(), we re-import the thing. Otherwise,
  49          * we make copy of each mech names.
  50          */
  51         if (name->gn_value.value) {
  52                 major_status = gss_import_name(minor_status,
  53                     &name->gn_value, &name->gn_type, dest_name);
  54                 if (major_status != GSS_S_COMPLETE)
  55                         return (major_status);
  56                 new_name = (struct _gss_name *) *dest_name;
  57
  58                 HEIM_SLIST_FOREACH(mn, &name->gn_mn, gmn_link) {
  59                     struct _gss_mechanism_name *mn2;
  60                     _gss_find_mn(minor_status, new_name,
  61                                  mn->gmn_mech_oid, &mn2);
  62                 }
  63         } else {
  64                 new_name = malloc(sizeof(struct _gss_name));
  65                 if (!new_name) {
  66                         *minor_status = ENOMEM;
  67                         return (GSS_S_FAILURE);
  68                 }
  69                 memset(new_name, 0, sizeof(struct _gss_name));
  70                 HEIM_SLIST_INIT(&new_name->gn_mn);
  71                 *dest_name = (gss_name_t) new_name;
  72
  73                 HEIM_SLIST_FOREACH(mn, &name->gn_mn, gmn_link) {
  74                         struct _gss_mechanism_name *new_mn;
  75
  76                         new_mn = malloc(sizeof(*new_mn));
  77                         if (!new_mn) {
  78                                 *minor_status = ENOMEM;
  79                                 return GSS_S_FAILURE;
  80                         }
  81                         new_mn->gmn_mech = mn->gmn_mech;
  82                         new_mn->gmn_mech_oid = mn->gmn_mech_oid;
  83
  84                         major_status =
  85                             mn->gmn_mech->gm_duplicate_name(minor_status,
  86                                 mn->gmn_name, &new_mn->gmn_name);
  87                         if (major_status != GSS_S_COMPLETE) {
  88                                 free(new_mn);
  89                                 continue;
  90                         }
  91                         HEIM_SLIST_INSERT_HEAD(&new_name->gn_mn, new_mn, gmn_link);
  92                 }
  93
  94         }
  95
  96         return (GSS_S_COMPLETE);
  97 }