lib/gssapi/netlogon/duplicate_name.c

   1 /*
   2  * Copyright (c) 2010 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Portions Copyright (c) 2010 Apple Inc. All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * 3. Neither the name of the Institute nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include "netlogon.h"
  37
  38 OM_uint32 _netlogon_duplicate_name (
  39             OM_uint32 * minor_status,
  40             gss_const_name_t src_name,
  41             gss_name_t * dest_name
  42            )
  43 {
  44     const gssnetlogon_name src = (const gssnetlogon_name)src_name;
  45     gssnetlogon_name dst = NULL;
  46
  47     dst = calloc(1, sizeof(*dst));
  48     if (dst == NULL)
  49         goto fail;
  50
  51     dst->NetbiosName.value = malloc(src->NetbiosName.length + 1);
  52     if (dst->NetbiosName.value == NULL)
  53         goto fail;
  54     memcpy(dst->NetbiosName.value, src->NetbiosName.value,
  55            src->NetbiosName.length);
  56     dst->NetbiosName.length = src->NetbiosName.length;
  57     ((char *)dst->NetbiosName.value)[dst->NetbiosName.length] = '\0';
  58
  59     if (src->DnsName.length != 0) {
  60         dst->DnsName.value = malloc(src->DnsName.length + 1);
  61         if (dst->DnsName.value == NULL)
  62             goto fail;
  63         memcpy(dst->DnsName.value, src->DnsName.value, src->DnsName.length);
  64         dst->DnsName.length = src->DnsName.length;
  65         ((char *)dst->DnsName.value)[dst->DnsName.length] = '\0';
  66     }
  67
  68     *minor_status = 0;
  69     *dest_name = (gss_name_t)dst;
  70     return GSS_S_COMPLETE;
  71
  72 fail:
  73     _netlogon_release_name(minor_status, (gss_name_t *)&dst);
  74     *minor_status = ENOMEM;
  75     return GSS_S_FAILURE;
  76 }
  77