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package Dyns::Client; |
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3
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1
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1
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160990
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use 5.006; |
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3
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1
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31
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4
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1
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1
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use strict; |
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2
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1
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21
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5
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1
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1
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use warnings; |
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6
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1
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46
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6
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1
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1
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5
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use vars qw( $VERSION ); |
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1
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1
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42
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7
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1
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1
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4
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use Carp; |
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1
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1
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1
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52
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8
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1
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1
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12619
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use LWP::UserAgent; |
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1
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817574
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1
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37
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9
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1
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1
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47
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use HTTP::Request; |
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2
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1
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28
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10
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1
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1
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1078
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use Sys::Hostname; |
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1511
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1
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58
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11
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1
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1
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1423
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use Socket; |
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1
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6834
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1
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656
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12
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1
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1
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1135
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use Net::hostent; |
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1
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165350
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1
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7
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13
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1
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1
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1001
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use CGI::Util qw( escape ); |
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1
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5988
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1
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739
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14
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15
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$VERSION = '0.6'; |
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17
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=head1 NAME |
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Dyns::Client - A client for the dyns.cx dynamic DNS service |
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21
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=head1 DESCRIPTION |
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A simple client for the dyns.cx dynamic DNS service. Allows you to post an |
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update to the dyns dynamic dns service, as documented on: |
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26
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http://www.dyns.cx/documentation/technical/protocol/v1.1.php |
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28
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The dyns dynamic IP service is run by Stefaan Ponnet, who started this service more than 4 years ago. |
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30
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=head1 METHODS |
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32
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=over 4 |
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34
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=item B - Constructor |
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36
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=cut |
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38
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sub new { |
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1
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1
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1
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422
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my ($proto, %args) = @_; |
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41
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1
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33
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11
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my $class = ref($proto) || $proto; |
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43
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1
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2
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my $self = { }; |
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45
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1
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4
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bless $self, $class; |
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47
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1
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5
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return $self; |
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} |
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50
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=item B - Send an update to dyns.cx |
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52
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die unless $dyns->update( |
53
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-username => 'mandatory username', |
54
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-password => 'mandatory password', |
55
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-hostname => 'mandatory hostname', |
56
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-domain => 'optional domain', |
57
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-ip => 'optional ip' |
58
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); |
59
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60
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=cut |
61
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62
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sub update { |
63
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0
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0
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1
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0
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my ($self, %args) = @_; |
64
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65
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my $username = $args{-username} |
66
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0
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0
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0
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|| do { carp "username mandatory"; return undef; }; |
67
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my $password = $args{-password} |
68
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0
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0
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0
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|| do { carp "password mandatory"; return undef; }; |
69
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my $hostname = $args{-hostname} |
70
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0
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0
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0
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|| do { carp "hostname required"; return undef; }; |
71
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0
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0
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my $domain = $args{-domain}; |
72
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0
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0
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my $ip = $args{-ip}; |
73
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74
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0
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0
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my $url = 'http://www.dyns.net/postscript011.php?'; |
75
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76
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0
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0
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$url .= 'username=' . escape( $username ); |
77
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0
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0
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$url .= '&'; |
78
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79
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0
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0
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$url .= 'password=' . escape( $password ); |
80
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0
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0
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$url .= '&'; |
81
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82
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0
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0
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$url .= 'host=' . escape( $hostname ); |
83
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84
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0
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0
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0
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if ( $domain ) { |
85
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0
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0
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$url .= '&'; |
86
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0
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0
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$url .= 'domain=' . escape( $domain ); |
87
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} |
88
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89
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0
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0
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0
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if ( $ip ) { |
90
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0
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0
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$url .= '&'; |
91
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0
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0
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$url .= 'ip=' . escape( $ip ); |
92
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} |
93
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94
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0
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0
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my $ua = LWP::UserAgent->new( env_proxy => 1 ); |
95
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0
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0
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my $req = HTTP::Request->new( "GET", $url ); |
96
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0
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0
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my $res = $ua->request($req); |
97
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98
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0
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0
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0
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if ( $res->is_success ) { |
99
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0
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0
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my ($code, $message) = ( $res->content =~ /(\d+)\s+(.+)$/i ); |
100
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0
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0
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0
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return 1 if $code eq '200'; |
101
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0
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0
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carp "Update failed: $code - $message"; |
102
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0
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0
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return undef; |
103
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} |
104
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0
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0
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carp "Update failed: " . $res->status_line; |
105
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106
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0
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0
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return undef; |
107
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} |
108
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109
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=item B - Return local IP of the machine |
110
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111
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=cut |
112
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113
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sub get_ip { |
114
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1
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1
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1
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565
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my ($self, $interface) = @_; |
115
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116
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1
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50
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4
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return undef unless $interface; |
117
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118
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1
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4
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my $win32 = 0; |
119
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1
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50
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16
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$win32 = 1 if $^O =~ /win32|cygwin/i; |
120
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121
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1
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2
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my $ip; |
122
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1
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50
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4
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if ($win32) { |
123
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0
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0
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my $ipconfig = `ipconfig`; |
124
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0
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0
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$ipconfig =~ /IP.+?: ([0-9]{1,3}(\.[0-9]{1,3}){3})$/s; |
125
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0
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0
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$ip = $1; |
126
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0
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0
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0
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warn "Cannot get IP address from ipconfig output:\n$ipconfig" |
127
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unless $ip; |
128
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} else { |
129
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1
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13304
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$ip = `/sbin/ifconfig $interface`; |
130
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1
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50
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477
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if ($ip !~ s/^.*inet (?:addr:)?([0-9]{1,3}(\.[0-9]{1,3}){3}).*$/$1/s) { |
131
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0
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0
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warn "Cannot get IP address from ifconfig output:\n$ip"; |
132
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0
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0
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return undef; |
133
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} |
134
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} |
135
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1
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123
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return $ip; |
136
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} |
137
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138
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|
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=back |
139
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140
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=cut |
141
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142
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1; |
143
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__END__ |