HINFO.php 3.4 KB

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  1. <?php
  2. /*
  3. * License Information:
  4. *
  5. * Net_DNS: A resolver library for PHP
  6. * Copyright (c) 2002-2003 Eric Kilfoil eric@ypass.net
  7. *
  8. * This library is free software; you can redistribute it and/or
  9. * modify it under the terms of the GNU Lesser General Public
  10. * License as published by the Free Software Foundation; either
  11. * version 2.1 of the License, or (at your option) any later version.
  12. *
  13. * This library is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16. * Lesser General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU Lesser General Public
  19. * License along with this library; if not, write to the Free Software
  20. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  21. */
  22. /* Net_DNS_RR_HINFO definition {{{ */
  23. /**
  24. * A representation of a resource record of type <b>HINFO</b>
  25. *
  26. * @package Net_DNS
  27. */
  28. class Net_DNS_RR_HINFO extends Net_DNS_RR
  29. {
  30. /* class variable definitions {{{ */
  31. var $name;
  32. var $type;
  33. var $class;
  34. var $ttl;
  35. var $rdlength;
  36. var $rdata;
  37. var $cpu;
  38. var $os;
  39. /* }}} */
  40. /* class constructor - RR(&$rro, $data, $offset = '') {{{ */
  41. function Net_DNS_RR_HINFO(&$rro, $data, $offset = '')
  42. {
  43. $this->name = $rro->name;
  44. $this->type = $rro->type;
  45. $this->class = $rro->class;
  46. $this->ttl = $rro->ttl;
  47. $this->rdlength = $rro->rdlength;
  48. $this->rdata = $rro->rdata;
  49. if ($offset) {
  50. if ($this->rdlength > 0) {
  51. list($cpu, $offset) = Net_DNS_Packet::label_extract($data, $offset);
  52. list($os, $offset) = Net_DNS_Packet::label_extract($data, $offset);
  53. $this->cpu = $cpu;
  54. $this->os = $os;
  55. }
  56. } else {
  57. $data = str_replace('\\\\', chr(1) . chr(1), $data); /* disguise escaped backslash */
  58. $data = str_replace('\\"', chr(2) . chr(2), $data); /* disguise \" */
  59. ereg('("[^"]*"|[^ \t]*)[ \t]+("[^"]*"|[^ \t]*)[ \t]*$', $data, $regs);
  60. foreach($regs as $idx => $value) {
  61. $value = str_replace(chr(2) . chr(2), '\\"', $value);
  62. $value = str_replace(chr(1) . chr(1), '\\\\', $value);
  63. $regs[$idx] = stripslashes($value);
  64. }
  65. $this->cpu = $regs[1];
  66. $this->os = $regs[2];
  67. }
  68. }
  69. /* }}} */
  70. /* Net_DNS_RR_HINFO::rdatastr() {{{ */
  71. function rdatastr()
  72. {
  73. if ($this->text) {
  74. return('"' . addslashes($this->cpu) . '" "' . addslashes($this->os) . '"');
  75. } else return('; no data');
  76. }
  77. /* }}} */
  78. /* Net_DNS_RR_HINFO::rr_rdata($packet, $offset) {{{ */
  79. function rr_rdata($packet, $offset)
  80. {
  81. if ($this->text) {
  82. $rdata = pack('C', strlen($this->cpu)) . $this->cpu;
  83. $rdata .= pack('C', strlen($this->os)) . $this->os;
  84. return($rdata);
  85. }
  86. return(NULL);
  87. }
  88. /* }}} */
  89. }
  90. /* }}} */
  91. /* VIM settings {{{
  92. * Local variables:
  93. * tab-width: 4
  94. * c-basic-offset: 4
  95. * soft-stop-width: 4
  96. * c indent on
  97. * End:
  98. * vim600: sw=4 ts=4 sts=4 cindent fdm=marker et
  99. * vim<600: sw=4 ts=4
  100. * }}} */
  101. ?>