1,0 → 0,0 |
link /home/daniel-marschall/public_html/tools/uuid_mac_decoder/includes/uuid_utils.inc.phps |
<?php |
|
/* |
* UUID utils for PHP |
* Copyright 2011-2019 Daniel Marschall, ViaThinkSoft |
* Version 2019-03-19 |
* |
* Licensed under the Apache License, Version 2.0 (the "License"); |
* you may not use this file except in compliance with the License. |
* You may obtain a copy of the License at |
* |
* http://www.apache.org/licenses/LICENSE-2.0 |
* |
* Unless required by applicable law or agreed to in writing, software |
* distributed under the License is distributed on an "AS IS" BASIS, |
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
* See the License for the specific language governing permissions and |
* limitations under the License. |
*/ |
|
@include_once __DIR__ . '/mac_utils.inc.phps'; |
|
define('UUID_NAMEBASED_NS_DNS', '6ba7b810-9dad-11d1-80b4-00c04fd430c8'); |
define('UUID_NAMEBASED_NS_URL', '6ba7b811-9dad-11d1-80b4-00c04fd430c8'); |
define('UUID_NAMEBASED_NS_OID', '6ba7b812-9dad-11d1-80b4-00c04fd430c8'); |
define('UUID_NAMEBASED_NS_X500_DN', '6ba7b814-9dad-11d1-80b4-00c04fd430c8'); |
|
function gen_uuid_md5_namespace($namespace_uuid, $name) { |
$namespace_uuid = str_replace('-', '', $namespace_uuid); |
$namespace_uuid = hex2bin($namespace_uuid); |
|
$hash = md5($namespace_uuid.$name); |
|
$hash[12] = '3'; // MD5 |
$hash[16] = hexdec($hash[16]) & 0x3 | 0x8; // name based |
|
return substr($hash, 0, 8).'-'. |
substr($hash, 8, 4).'-'. |
substr($hash, 12, 4).'-'. |
substr($hash, 16, 4).'-'. |
substr($hash, 20, 12); |
} |
|
function gen_uuid_sha1_namespace($namespace_uuid, $name) { |
$namespace_uuid = str_replace('-', '', $namespace_uuid); |
$namespace_uuid = hex2bin($namespace_uuid); |
|
$hash = sha1($namespace_uuid.$name); |
|
$hash[12] = '5'; // SHA1 |
$hash[16] = hexdec($hash[16]) & 0x3 | 0x8; // name based |
|
return substr($hash, 0, 8).'-'. |
substr($hash, 8, 4).'-'. |
substr($hash, 12, 4).'-'. |
substr($hash, 16, 4).'-'. |
substr($hash, 20, 12); |
} |
|
function uuid_valid($uuid) { |
$uuid = str_replace(array('-', '{', '}'), '', $uuid); |
$uuid = strtoupper($uuid); |
|
if (strlen($uuid) != 32) return false; |
|
$uuid = preg_replace('@[0-9A-F]@', '', $uuid); |
|
return ($uuid == ''); |
} |
|
# TODO: nicht echo |
function uuid_info($uuid) { |
if (!uuid_valid($uuid)) return false; |
|
# $uuid = str_replace(array('-', '{', '}'), '', $uuid); |
$uuid = strtoupper($uuid); |
$uuid = preg_replace('@[^0-9A-F]@', '', $uuid); |
|
$x = hexdec(substr($uuid, 16, 1)); |
if ($x >= 14 /* 1110 */) $variant = 3; |
else if ($x >= 12 /* 1100 */) $variant = 2; |
else if ($x >= 8 /* 1000 */) $variant = 1; |
else if ($x >= 0 /* 0000 */) $variant = 0; |
|
|
switch ($variant) { |
case 0: |
echo sprintf("%-24s %s\n", "Variant:", "[0xx] NCS (reserved for backward compatibility)"); |
|
/* |
* Internal structure of variant #0 UUIDs |
* |
* The first 6 octets are the number of 4 usec units of time that have |
* passed since 1/1/80 0000 GMT. The next 2 octets are reserved for |
* future use. The next octet is an address family. The next 7 octets |
* are a host ID in the form allowed by the specified address family. |
* |
* Note that while the family field (octet 8) was originally conceived |
* of as being able to hold values in the range [0..255], only [0..13] |
* were ever used. Thus, the 2 MSB of this field are always 0 and are |
* used to distinguish old and current UUID forms. |
* |
* +--------------------------------------------------------------+ |
* | high 32 bits of time | 0-3 .time_high |
* +-------------------------------+------------------------------- |
* | low 16 bits of time | 4-5 .time_low |
* +-------+-----------------------+ |
* | reserved | 6-7 .reserved |
* +---------------+---------------+ |
* | family | 8 .family |
* +---------------+----------...-----+ |
* | node ID | 9-16 .node |
* +--------------------------...-----+ |
* |
*/ |
|
// Example of an UUID: 333a2276-0000-0000-0d00-00809c000000 |
|
# TODO: See https://github.com/cjsv/uuid/blob/master/Doc |
|
# Timestamp: Count of 4us intervals since 01 Jan 1980 00:00:00 GMT |
# 1/0,000004 = 250000 |
# Seconds between 1970 and 1980 : 315532800 |
# 250000*315532800=78883200000000 |
$timestamp = substr($uuid, 0, 12); |
$ts = gmp_init($timestamp, 16); |
$ts = gmp_add($ts, gmp_init("78883200000000")); |
$ms = gmp_mod($ts, gmp_init("250000")); # TODO: gibt es kein divmod? |
$ts = gmp_div($ts, gmp_init("250000")); |
$ts = gmp_strval($ts); |
$ms = gmp_strval($ms); |
$ts = gmdate('Y-m-d H:i:s', $ts); |
echo sprintf("%-24s %s\n", "Timestamp:", "[0x$timestamp] $ts'".str_pad($ms, 6, '0', STR_PAD_LEFT).' GMT'); |
|
$reserved = substr($uuid, 12, 4); |
echo sprintf("%-24s %s\n", "Reserved:", "0x$reserved"); |
|
# Family 13 (dds) looks like node is 00 | nnnnnn 000000. |
# Family 2 is presumably (ip). |
# Not sure if anything else was used. |
$family_hex = substr($uuid, 16, 2); |
$family_dec = hexdec($family_hex); |
if ($family_dec == 2) { |
$family_ = 'IP'; |
} else if ($family_dec == 13) { |
$family_ = 'DDS (Data Link)'; |
} else { |
$family_ = "Unknown ($family_dec)"; # TODO: Find out all families [0..13] |
} |
echo sprintf("%-24s %s\n", "Family:", "[0x$family_hex = $family_dec] $family_"); |
|
$nodeid = substr($uuid, 18, 14); |
echo sprintf("%-24s %s\n", "Node ID:", "0x$nodeid"); |
# TODO: interprete node id (the family specifies it) |
|
break; |
case 1: |
echo sprintf("%-24s %s\n", "Variant:", "[10x] RFC 4122 (Leach-Mealling-Salz)"); |
|
$version = hexdec(substr($uuid, 12, 1)); |
switch ($version) { |
case 1: |
echo sprintf("%-24s %s\n", "Version:", "[1] Time-based with unique random host identifier"); |
|
# Timestamp: Count of 100ns intervals since 15 Oct 1582 00:00:00 |
# 1/0,0000001 = 10000000 |
$timestamp = substr($uuid, 13, 3).substr($uuid, 8, 4).substr($uuid, 0, 8); |
$ts = gmp_init($timestamp, 16); |
$ts = gmp_sub($ts, gmp_init("122192928000000000")); |
$ms = gmp_mod($ts, gmp_init("10000000")); # TODO: gibt es kein divmod? |
$ts = gmp_div($ts, gmp_init("10000000")); |
$ts = gmp_strval($ts); |
$ms = gmp_strval($ms); |
$ts = gmdate('Y-m-d H:i:s', $ts); |
echo sprintf("%-24s %s\n", "Timestamp:", "[0x$timestamp] $ts'".str_pad($ms, 7, '0', STR_PAD_LEFT).' GMT'); |
|
$x = hexdec(substr($uuid, 16, 4)); |
$x = $x ^ 0x8000; |
$y = dechex($x); |
echo sprintf("%-24s %s\n", "Clock ID:", '0x'.strtoupper($y)." = $x"); |
|
$x = substr($uuid, 20, 12); |
$nodeid = ''; |
for ($i=0; $i<6; $i++) { |
$nodeid .= substr($x, $i*2, 2); |
if ($i != 5) $nodeid .= ':'; |
} |
echo sprintf("%-24s %s\n", "Node ID:", "$nodeid"); |
|
if (function_exists('decode_mac')) { |
echo "\nIn case that this Node ID is a MAC address, here is the interpretation of that MAC address:\n"; |
echo decode_mac($nodeid); |
} |
|
break; |
case 2: |
echo sprintf("%-24s %s\n", "Version:", "[2] DCE Security version (with POSIX UIDs)"); |
|
# TODO: is that correct??? |
|
# The time_low field (which represents an integer in the range [0, 232-1]) is interpreted as a local-ID; that is, an identifier (within the domain specified by clock_seq_low) meaningful to the local host. In the particular case of a POSIX host, when combined with a POSIX UID or POSIX GID domain in the clock_seq_low field (above), the time_low field represents a POSIX UID or POSIX GID, respectively. |
$x = substr($uuid, 0, 8); |
echo sprintf("%-24s %s\n", "Local ID:", "0x$x"); |
|
|
# The clock_seq_low field (which represents an integer in the range [0, 28-1]) is interpreted as a local domain (as represented by sec_rgy_domain_t; see sec_rgy_domain_t ); that is, an identifier domain meaningful to the local host. (Note that the data type sec_rgy_domain_t can potentially hold values outside the range [0, 28-1]; however, the only values currently registered are in the range [0, 2], so this type mismatch is not significant.) In the particular case of a POSIX host, the value sec_rgy_domain_person is to be interpreted as the "POSIX UID domain", and the value sec_rgy_domain_group is to be interpreted as the "POSIX GID domain". |
$x = substr($uuid, 0, 18, 2); |
echo sprintf("%-24s %s\n", "Local Domain:", "0x$x"); |
|
|
# Timestamp: Count of 100ns intervals since 15 Oct 1582 00:00:00 |
# 1/0,0000001 = 10000000 |
$timestamp = substr($uuid, 13, 3).substr($uuid, 8, 4).'00000000'; # TODO: ist das OK so???? |
$ts = gmp_init($timestamp, 16); |
$ts = gmp_sub($ts, gmp_init("122192928000000000")); |
$ms = gmp_mod($ts, gmp_init("10000000")); # TODO: gibt es kein divmod? |
$ts = gmp_div($ts, gmp_init("10000000")); |
$ts = gmp_strval($ts); |
$ms = gmp_strval($ms); |
$ts = gmdate('Y-m-d H:i:s', $ts); |
echo sprintf("%-24s %s\n", "Timestamp:", "[0x$timestamp] $ts'".str_pad($ms, 7, '0', STR_PAD_LEFT).' GMT'); |
|
$x = hexdec(substr($uuid, 16, 2).'00'); # TODO: ist das OK so???? |
$x = $x ^ 0x8000; |
$y = dechex($x); |
echo sprintf("%-24s %s\n", "Clock ID:", "0x$y = $x"); |
|
$x = substr($uuid, 20, 12); |
$nodeid = ''; |
for ($i=0; $i<6; $i++) { |
$nodeid .= substr($x, $i*2, 2); |
if ($i != 5) $nodeid .= ':'; |
} |
echo sprintf("%-24s %s\n", "Node ID:", "$nodeid"); |
|
if (function_exists('decode_mac')) { |
echo "\nIn case that this Node ID is a MAC address, here is the interpretation of that MAC address:\n"; |
echo decode_mac($nodeid); |
} |
|
break; |
case 3: |
echo sprintf("%-24s %s\n", "Version:", "[3] Name-based (MD5 hash)"); |
|
# TODO |
|
break; |
case 4: |
echo sprintf("%-24s %s\n", "Version:", "[4] Random"); |
|
$rand = ''; |
for ($i=0; $i<16; $i++) { |
$bin = base_convert(substr($uuid, $i*2, 2), 16, 2); |
$bin = str_pad($bin, 8, "0", STR_PAD_LEFT); |
|
if ($i == 6) { |
$bin[0] = 'x'; |
$bin[1] = 'x'; |
} else if ($i == 8) { |
$bin[0] = 'x'; |
$bin[1] = 'x'; |
$bin[2] = 'x'; |
$bin[3] = 'x'; |
} |
|
$rand .= "$bin "; |
} |
|
echo sprintf("%-24s %s\n", "Random bits:", trim($rand)); |
|
break; |
case 5: |
echo sprintf("%-24s %s\n", "Version:", "[5] Name-based (SHA-1 hash)"); |
|
# TODO |
|
break; |
default: |
echo sprintf("%-24s %s\n", "Version:", "[$version] Unknown"); |
break; |
} |
|
break; |
case 2: |
echo sprintf("%-24s %s\n", "Variant:", "[110] Reserved for Microsoft Corporation"); |
|
# TODO |
|
break; |
case 3: |
echo sprintf("%-24s %s\n", "Variant:", "[111] Reserved for future use"); |
break; |
} |
} |
|
function uuid_canonize($uuid) { |
if (!uuid_valid($uuid)) return false; |
return oid_to_uuid(uuid_to_oid($uuid)); |
} |
|
function oid_to_uuid($oid) { |
if (!is_uuid_oid($oid)) return false; |
|
if ($oid[0] == '.') { |
$oid = substr($oid, 1); |
} |
$ary = explode('.', $oid); |
$val = $ary[2]; |
|
$x = gmp_init($val, 10); |
$y = gmp_strval($x, 16); |
$y = str_pad($y, 32, "0", STR_PAD_LEFT); |
return substr($y, 0, 8).'-'. |
substr($y, 8, 4).'-'. |
substr($y, 12, 4).'-'. |
substr($y, 16, 4).'-'. |
substr($y, 20, 12); |
} |
|
function is_uuid_oid($oid, $only_allow_root=false) { |
if ((substr($oid, 0, 5) != '2.25.') && (substr($oid, 0, 6) != '.2.25.')) return false; |
|
if ($oid[0] == '.') $oid = substr($oid, 1); |
|
$ary = explode('.', $oid); |
|
if ($only_allow_root) { |
if (count($ary) != 3) return false; |
} |
|
for ($i=2; $i<count($ary); $i++) { |
$v = $ary[$i]; |
if (!is_numeric($v)) return false; |
if ($v < 0) return false; |
} |
|
return true; |
} |
|
function uuid_to_oid($uuid) { |
if (!uuid_valid($uuid)) return false; |
|
$uuid = str_replace(array('-', '{', '}'), '', $uuid); |
$x = gmp_init($uuid, 16); |
return '2.25.'.gmp_strval($x, 10); # TODO: parameter mit oder ohne leading dot |
} |
|
function _gen_uuid_v4() { |
// http://rogerstringer.com/2013/11/15/generate-uuids-php |
return sprintf( '%04x%04x-%04x-%04x-%04x-%04x%04x%04x', |
mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ), |
mt_rand( 0, 0xffff ), |
mt_rand( 0, 0x0fff ) | 0x4000, |
mt_rand( 0, 0x3fff ) | 0x8000, |
mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ), mt_rand( 0, 0xffff ) |
); |
} |
|
function gen_uuid($prefer_timebased = true) { |
$out = array(); |
|
# On Debian: aptitude install php-uuid |
# extension_loaded('uuid') |
if (function_exists('uuid_create')) { |
# OSSP uuid extension like seen in php5-uuid at Debian 8 |
/* |
$x = uuid_create($context); |
if ($prefer_timebased) { |
uuid_make($context, UUID_MAKE_V1); |
} else { |
uuid_make($context, UUID_MAKE_V4); |
} |
uuid_export($context, UUID_FMT_STR, $uuid); |
return trim($uuid); |
*/ |
|
# PECL uuid extension like seen in php-uuid at Debian 9 |
return trim(uuid_create($prefer_timebased ? UUID_TYPE_TIME : UUID_TYPE_RANDOM)); |
} |
|
# On Debian: aptitude install uuid-runtime |
if ($prefer_timebased) { |
exec('uuidgen -t', $out, $ec); |
} else { |
exec('uuidgen -r', $out, $ec); |
} |
if ($ec == 0) return $out[0]; |
|
if (!$prefer_timebased) { |
return _gen_uuid_v4(); |
} |
|
// At this point we cannot fulfil the caller's wish in regards to $prefer_timebased or not |
|
if (file_exists('/proc/sys/kernel/random/uuid')) { |
// On Debian Jessie: UUID V4 (Random) |
return file_get_contents('/proc/sys/kernel/random/uuid'); |
} |
|
return _gen_uuid_v4(); |
} |
|
function uuid_numeric_value($uuid) { |
$oid = uuid_to_oid($uuid); |
if (!$oid) return false; |
return substr($oid, strlen('2.25.')); |
} |
|
function uuid_c_syntax($uuid) { |
$uuid = str_replace('{', '', $uuid); |
return '{ 0x' . substr($uuid, 0, 8) . |
', 0x' . substr($uuid, 9, 4) . |
', 0x' . substr($uuid, 14, 4) . |
', { 0x' . substr($uuid, 19, 2). |
', 0x' . substr($uuid, 21, 2) . |
', 0x' . substr($uuid, 24, 2) . |
', 0x' . substr($uuid, 26, 2) . |
', 0x' . substr($uuid, 28, 2) . |
', 0x' . substr($uuid, 30, 2) . |
', 0x' . substr($uuid, 32, 2) . |
', 0x' . substr($uuid, 34, 2) . ' } }'; |
} |
|
# --- |
|
// http://php.net/manual/de/function.hex2bin.php#113057 |
if ( !function_exists( 'hex2bin' ) ) { |
function hex2bin( $str ) { |
$sbin = ""; |
$len = strlen( $str ); |
for ( $i = 0; $i < $len; $i += 2 ) { |
$sbin .= pack( "H*", substr( $str, $i, 2 ) ); |
} |
|
return $sbin; |
} |
} |
Property changes: |
Deleted: svn:special |
-* |
\ No newline at end of property |