[17] | 1 | <?php
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| 2 |
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| 3 | class NetworkAddressIPv4
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| 4 | {
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| 5 | var $Address;
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| 6 | var $Prefix;
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| 7 |
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| 8 | function __construct()
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| 9 | {
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| 10 | $this->Address = 0;
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| 11 | $this->Prefix = 0;
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| 12 | }
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| 13 |
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| 14 | function GetNetMask()
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| 15 | {
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| 16 | return(0xffffffff ^ ((1 << (32 - $this->Prefix)) - 1));
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| 17 | }
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| 18 |
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| 19 | function AddressToString()
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| 20 | {
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| 21 | return(implode('.', array(($this->Address >> 24) & 255, ($this->Address >> 16) & 255, ($this->Address >> 8) & 255, ($this->Address & 255))));
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| 22 | }
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| 23 |
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| 24 | function AddressFromString($Value)
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| 25 | {
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| 26 | $Parts = explode('.', $Value);
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| 27 | $this->Address = ($Parts[0] << 24) | ($Parts[1] << 16) | ($Parts[2] << 8) | $Parts[3];
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| 28 | }
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| 29 |
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| 30 | function GetRange()
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| 31 | {
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| 32 | $From = new NetworkAddressIPv4();
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| 33 | $From->Address = $this->Address;
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| 34 | $From->Prefix = 32;
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| 35 | $HostMask = 0xffffffff ^ $this->GetNetMask();
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| 36 | $To = new NetworkAddressIPv4();
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| 37 | $To->Address = $From->Address + $HostMask;
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| 38 | $To->Prefix = 32;
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| 39 | return(array('From' => $From, 'To' => $To));
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| 40 | }
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| 41 |
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| 42 | function ChangePrefix($NewPrefix)
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| 43 | {
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| 44 | $this->Prefix = $NewPrefix;
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| 45 | if($this->Prefix > 32) $this->Prefix = 32;
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| 46 | if($this->Prefix < 0) $this->Prefix = 0;
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| 47 | $this->Address = $this->Address & $this->GetNetMask();
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| 48 | }
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| 49 |
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| 50 | function Contain($Address)
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| 51 | {
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| 52 | $UpperNetmask = $this->GetNetMask();
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| 53 | if(($this->Prefix < $Address->Prefix) and (($Address->Address & $UpperNetmask) == ($this->Address & $UpperNetmask))) $Result = true;
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| 54 | else $Result = false;
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| 55 | //echo($Address->AddressToString().'/'.$Address->Prefix.' in '.$this->AddressToString().'/'.$this->Prefix.' '.$Result."\n");
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| 56 | return($Result);
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| 57 | }
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| 58 | }
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| 59 |
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| 60 | class NetworkAddressIPv6
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| 61 | {
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| 62 | var $Address;
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| 63 | var $Prefix;
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| 64 |
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| 65 | function __construct()
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| 66 | {
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| 67 | $this->Address = 0;
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| 68 | $this->Prefix = 0;
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| 69 | }
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| 70 |
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| 71 | function AddressToString()
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| 72 | {
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| 73 | return(inet_ntop($this->Address));
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| 74 | }
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| 75 |
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| 76 | function AddressFromString($Value)
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| 77 | {
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| 78 | $this->Address = inet_pton($Value);
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| 79 | }
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| 80 |
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| 81 | function GetOctets()
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| 82 | {
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| 83 | $Result = array();
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| 84 | $Data = array_reverse(unpack('C*', $this->Address));
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| 85 | foreach($Data as $Item)
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| 86 | {
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| 87 |
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| 88 | $Result[] = dechex($Item & 15);
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| 89 | $Result[] = dechex(($Item >> 4) & 15);
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| 90 | }
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| 91 | return($Result);
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| 92 | }
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| 93 |
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| 94 | function EncodeMAC($MAC)
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| 95 | {
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| 96 | $MAC = explode(':', $MAC);
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| 97 | $Data = unpack('C*', $this->Address);
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| 98 | $Data[9] = hexdec($MAC[0]) ^ 0x02;
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| 99 | $Data[10] = hexdec($MAC[1]);
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| 100 | $Data[11] = hexdec($MAC[2]);
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| 101 | $Data[12] = 0xff;
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| 102 | $Data[13] = 0xfe;
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| 103 | $Data[14] = hexdec($MAC[3]);
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| 104 | $Data[15] = hexdec($MAC[4]);
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| 105 | $Data[16] = hexdec($MAC[5]);
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| 106 | $this->Address = pack_array('C*', $Data);
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| 107 | }
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| 108 |
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| 109 | }
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