/contrib/bind9/lib/dns/keydata.c

https://bitbucket.org/freebsd/freebsd-head/ · C · 89 lines · 57 code · 15 blank · 17 comment · 16 complexity · a224c288bd52e63117873398a97fec1e MD5 · raw file

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