external/bsd/bind/dist/lib/dns/keydata.c

   1 /*      $NetBSD: keydata.c,v 1.5 2014/12/10 04:37:58 christos Exp $     */
   2
   3 /*
   4  * Copyright (C) 2009, 2014  Internet Systems Consortium, Inc. ("ISC")
   5  *
   6  * Permission to use, copy, modify, and/or distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
  11  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  12  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
  13  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  14  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
  15  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  16  * PERFORMANCE OF THIS SOFTWARE.
  17  */
  18
  19 /* Id: keydata.c,v 1.3 2009/07/01 23:47:36 tbox Exp  */
  20
  21 /*! \file */
  22
  23 #include <config.h>
  24
  25
  26 #include <isc/buffer.h>
  27 #include <isc/mem.h>
  28 #include <isc/string.h>
  29 #include <isc/util.h>
  30
  31 #include <dns/rdata.h>
  32 #include <dns/rdatastruct.h>
  33 #include <dns/keydata.h>
  34
  35 isc_result_t
  36 dns_keydata_todnskey(dns_rdata_keydata_t *keydata,
  37                      dns_rdata_dnskey_t *dnskey, isc_mem_t *mctx)
  38 {
  39         REQUIRE(keydata != NULL && dnskey != NULL);
  40
  41         dnskey->common.rdtype = dns_rdatatype_dnskey;
  42         dnskey->common.rdclass = keydata->common.rdclass;
  43         dnskey->mctx = mctx;
  44         dnskey->flags = keydata->flags;
  45         dnskey->protocol = keydata->protocol;
  46         dnskey->algorithm = keydata->algorithm;
  47
  48         dnskey->datalen = keydata->datalen;
  49
  50         if (mctx == NULL)
  51                 dnskey->data = keydata->data;
  52         else {
  53                 dnskey->data = isc_mem_allocate(mctx, dnskey->datalen);
  54                 if (dnskey->data == NULL)
  55                         return (ISC_R_NOMEMORY);
  56                 memmove(dnskey->data, keydata->data, dnskey->datalen);
  57         }
  58
  59         return (ISC_R_SUCCESS);
  60 }
  61
  62 isc_result_t
  63 dns_keydata_fromdnskey(dns_rdata_keydata_t *keydata,
  64                        dns_rdata_dnskey_t *dnskey,
  65                        isc_uint32_t refresh, isc_uint32_t addhd,
  66                        isc_uint32_t removehd, isc_mem_t *mctx)
  67 {
  68         REQUIRE(keydata != NULL && dnskey != NULL);
  69
  70         keydata->common.rdtype = dns_rdatatype_keydata;
  71         keydata->common.rdclass = dnskey->common.rdclass;
  72         keydata->mctx = mctx;
  73         keydata->refresh = refresh;
  74         keydata->addhd = addhd;
  75         keydata->removehd = removehd;
  76         keydata->flags = dnskey->flags;
  77         keydata->protocol = dnskey->protocol;
  78         keydata->algorithm = dnskey->algorithm;
  79
  80         keydata->datalen = dnskey->datalen;
  81         if (mctx == NULL)
  82                 keydata->data = dnskey->data;
  83         else {
  84                 keydata->data = isc_mem_allocate(mctx, keydata->datalen);
  85                 if (keydata->data == NULL)
  86                         return (ISC_R_NOMEMORY);
  87                 memmove(keydata->data, dnskey->data, keydata->datalen);
  88         }
  89
  90         return (ISC_R_SUCCESS);
  91 }