TXT.php 3.0 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_TXT definition {{{ */
  23. /**
  24. * A representation of a resource record of type <b>TXT</b>
  25. *
  26. * @package Net_DNS
  27. */
  28. class Net_DNS_RR_TXT 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 $text;
  38. /* }}} */
  39. /* class constructor - RR(&$rro, $data, $offset = '') {{{ */
  40. function Net_DNS_RR_TXT(&$rro, $data, $offset = '')
  41. {
  42. $this->name = $rro->name;
  43. $this->type = $rro->type;
  44. $this->class = $rro->class;
  45. $this->ttl = $rro->ttl;
  46. $this->rdlength = $rro->rdlength;
  47. $this->rdata = $rro->rdata;
  48. if ($offset) {
  49. if ($this->rdlength > 0) {
  50. list($text, $offset) = Net_DNS_Packet::label_extract($data, $offset);
  51. $this->text = $text;
  52. }
  53. } else {
  54. $data = str_replace('\\\\', chr(1) . chr(1), $data); /* disguise escaped backslash */
  55. $data = str_replace('\\"', chr(2) . chr(2), $data); /* disguise \" */
  56. ereg('("[^"]*"|[^ \t]*)[ \t]*$', $data, $regs);
  57. $regs[1] = str_replace(chr(2) . chr(2), '\\"', $regs[1]);
  58. $regs[1] = str_replace(chr(1) . chr(1), '\\\\', $regs[1]);
  59. $regs[1] = stripslashes($regs[1]);
  60. $this->text = $regs[1];
  61. }
  62. }
  63. /* }}} */
  64. /* Net_DNS_RR_TXT::rdatastr() {{{ */
  65. function rdatastr()
  66. {
  67. if ($this->text) {
  68. return('"' . addslashes($this->text) . '"');
  69. } else return('; no data');
  70. }
  71. /* }}} */
  72. /* Net_DNS_RR_TXT::rr_rdata($packet, $offset) {{{ */
  73. function rr_rdata($packet, $offset)
  74. {
  75. if ($this->text) {
  76. $rdata = pack('C', strlen($this->text)) . $this->text;
  77. return($rdata);
  78. }
  79. return(NULL);
  80. }
  81. /* }}} */
  82. }
  83. /* }}} */
  84. /* VIM settings {{{
  85. * Local variables:
  86. * tab-width: 4
  87. * c-basic-offset: 4
  88. * soft-stop-width: 4
  89. * c indent on
  90. * End:
  91. * vim600: sw=4 ts=4 sts=4 cindent fdm=marker et
  92. * vim<600: sw=4 ts=4
  93. * }}} */
  94. ?>