"; if ($_POST) { $gponSerialNumber = $_POST['gpon_sn']; $gponPassword = $_POST['gpon_password']; $gponMacAddress = str_replace(array('-', ':'), '', $_POST['gpon_mac']); $sfpA2Info = $_POST['sfp_a2_info']; } if (!$_POST || ($_POST['check']) || ($_POST['submit'] && !$sfpA2Info) ) { if ($sfpA2Info) { $sfpA2InfoArray = parseToArray($sfpA2Info); delNonEncoded(); arrayDecode(); $gponSerialNumber = huaweiShowSerialNumber(); $gponPassword = huaweiShowPassword(); $gponMacAddress = huaweiShowMacAddress(); } echo "

Huawei MA5671A Data Generator

"; } else if ($_POST['submit'] && $sfpA2Info) { echo "

Original:

"; $sfpA2InfoArray = parseToArray($sfpA2Info); if (!$sfpA2InfoArray || ($sfpA2InfoArray[0] !== 'begin-base64 644 sfp_a2_info ')) { echo "

sfp_a2_info variable in wrong format!

"; exit(); } delNonEncoded(); arrayDecode(); if ($gponSerialNumber) { if (strlen($gponSerialNumber) === 12) { $gponSerialNumber = substr_replace( $gponSerialNumber, ascii2hex(substr($gponSerialNumber, 0, 4)), 0, 4 ); } if (strlen($gponSerialNumber) === 16) { huaweiChangeSerialNumber($gponSerialNumber); } } if ($gponPassword) { if (strlen($gponPassword) === 10) { $gponPassword = ascii2hex($gponPassword); } if (strlen($gponPassword) === 20 && ctype_xdigit($gponPassword)) { huaweiChangePassword($gponPassword); } } if ($gponMacAddress && strlen($gponMacAddress) === 12) { huaweiChangeMacAddress($gponMacAddress); } arrayEncode(); addNonEncoded(); $sfpA2InfoNew = parseToString($sfpA2InfoArray); if ($sfpA2Info === $sfpA2InfoNew) { echo "

Modified is the same, nothing done!

"; } else { echo "

Modified:

Paste the modified string into a temporary file (e.g. /tmp/sfp) on your module and run 'fw_setenv sfp_a2_info `cat /tmp/sfp`'

"; } } function huaweiShowSerialNumber(): string { global $sfpA2InfoArray; $gponSerialNumber = substr($sfpA2InfoArray[5], 16, 16); $gponSerialNumberAscii = substr_replace( $gponSerialNumber, hex2ascii(substr($gponSerialNumber, 0, 8)), 0, 8 ); if ($gponSerialNumber && $gponSerialNumberAscii) { return 'HEX: ' . $gponSerialNumber . ' / Vendor ASCII: ' . $gponSerialNumberAscii; } return ''; } function huaweiShowPassword(): string { global $sfpA2InfoArray; $gponPassword = substr($sfpA2InfoArray[4], 22, 20); $gponPasswordAscii = hex2ascii($gponPassword); if ($gponPassword && $gponPasswordAscii) { return 'HEX: ' . $gponPassword . ' / ASCII: ' . hex2ascii($gponPassword); } return ''; } function huaweiShowMacAddress(): string { global $sfpA2InfoArray; $gponMacAddress = substr($sfpA2InfoArray[8], 48, 12); return implode(':', str_split($gponMacAddress, 2)); } function huaweiChangeSerialNumber($gponSerialNumber) { global $sfpA2InfoArray; $replacement = substr_replace($sfpA2InfoArray[5], $gponSerialNumber, 16, strlen($gponSerialNumber)); array_splice($sfpA2InfoArray, 5, 1, $replacement); } function huaweiChangePassword($gponPassword) { global $sfpA2InfoArray; $replacement = substr_replace($sfpA2InfoArray[4], $gponPassword, 22, strlen($gponPassword)); array_splice($sfpA2InfoArray, 4, 1, $replacement); } function huaweiChangeMacAddress($gponMacAddress) { global $sfpA2InfoArray; $replacement = substr_replace($sfpA2InfoArray[8], $gponMacAddress, 48, strlen($gponMacAddress)); array_splice($sfpA2InfoArray, 8, 1, $replacement); } function parseToArray(string $string): ?array { $array = preg_split('/[@]+/', $string, -1, PREG_SPLIT_NO_EMPTY); if (count($array) > 10) { return $array; } return null; } function parseToString(array $array): string { return implode('@', $array) . '@'; } function delNonEncoded(): void { global $sfpA2InfoArray; $GLOBALS['prefix'] = array_shift($sfpA2InfoArray); $GLOBALS['suffix'] = array_pop($sfpA2InfoArray); } function addNonEncoded(): void { global $sfpA2InfoArray; array_unshift($sfpA2InfoArray, $GLOBALS['prefix']); $sfpA2InfoArray[] = $GLOBALS['suffix']; } function arrayDecode(): void { global $sfpA2InfoArray; array_walk($sfpA2InfoArray, static function (&$val) { $val = bin2hex(base64_decode($val)); }); } function arrayEncode(): void { global $sfpA2InfoArray; array_walk($sfpA2InfoArray, static function (&$val) { $val = base64_encode(hex2bin($val)); }); } function ascii2hex(string $ascii): string { $hex = ''; for ($i = 0, $iMax = strlen($ascii); $i < $iMax; $i++) { $byte = strtoupper(dechex(ord($ascii[$i]))); $byte = str_repeat('0', 2 - strlen($byte)) . $byte; $hex .= $byte; } return $hex; } function hex2ascii($hex): string { $str = ''; for ($i = 0, $iMax = strlen($hex); $i < $iMax; $i += 2) { $str .= chr(hexdec(substr($hex, $i, 2))); } return $str; }