| 3,7 → 3,7 |
|---|
| /* |
| * UUID utils for PHP |
| * Copyright 2011 - 2023 Daniel Marschall, ViaThinkSoft |
| * Version 2023-05-06 |
| * Version 2023-07-13 |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| 19,15 → 19,19 |
|---|
| */ |
| |
| # This library requires either the GMP extension (or BCMath if gmp_supplement.inc.php is present) |
| // TODO: If we are on 64 bit PHP (PHP_INT_SIZE > 4), then replace GMP with normal PHP operations |
| |
| if (file_exists(__DIR__ . '/mac_utils.inc.phps')) include_once __DIR__ . '/mac_utils.inc.phps'; // optionally used for uuid_info() |
| if (file_exists(__DIR__ . '/mac_utils.inc.phps')) include_once __DIR__ . '/mac_utils.inc.phps'; |
| if (file_exists(__DIR__ . '/mac_utils.inc.php')) include_once __DIR__ . '/mac_utils.inc.php'; |
| |
| if (file_exists(__DIR__ . '/gmp_supplement.inc.php')) include_once __DIR__ . '/gmp_supplement.inc.php'; |
| |
| 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'); |
| const UUID_NAMEBASED_NS_DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8'; // FQDN |
| const UUID_NAMEBASED_NS_URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8'; |
| const UUID_NAMEBASED_NS_OID = '6ba7b812-9dad-11d1-80b4-00c04fd430c8'; |
| const UUID_NAMEBASED_NS_X500_DN = '6ba7b814-9dad-11d1-80b4-00c04fd430c8'; // "DER or text encoding" according to RFC4122bis |
| |
| if (!function_exists('_random_int')) { |
| function _random_int($min, $max) { |
| // This function tries a CSRNG and falls back to a RNG if no CSRNG is available |
| try { |
| 36,6 → 40,7 |
|---|
| return mt_rand($min, $max); |
| } |
| } |
| } |
| |
| function uuid_valid($uuid) { |
| $uuid = str_replace(array('-', '{', '}'), '', $uuid); |
| 44,30 → 49,40 |
|---|
| |
| if (strlen($uuid) != 32) return false; |
| |
| $uuid = preg_replace('@[0-9A-F]@', '', $uuid); |
| $uuid = preg_replace('@[0-9A-F]@i', '', $uuid); |
| |
| return ($uuid == ''); |
| } |
| |
| # TODO: Don't echo |
| function uuid_info($uuid) { |
| function uuid_info($uuid, $echo=true) { |
| if (!uuid_valid($uuid)) return false; |
| |
| if (!$echo) ob_start(); |
| |
| #$uuid = trim($uuid); |
| # $uuid = str_replace(array('-', '{', '}'), '', $uuid); |
| $uuid = strtoupper($uuid); |
| $uuid = preg_replace('@[^0-9A-F]@', '', $uuid); |
| $uuid = strtolower($uuid); |
| $uuid = preg_replace('@[^0-9A-F]@i', '', $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 */) $variant = 0; |
| if ($x >= 14 /* 0b1110 */) $variant = 3; |
| else if ($x >= 12 /* 0b110_ */) $variant = 2; |
| else if ($x >= 8 /* 0b10__ */) $variant = 1; |
| else if ($x >= 0 /* 0b0___ */) $variant = 0; |
| else $variant = -1; // should not happen |
| |
| if ($uuid == '00000000000000000000000000000000') { |
| echo sprintf("%-32s %s\n", "Special Use:", "Nil UUID"); |
| echo "\n"; |
| } |
| else if ($uuid == 'ffffffffffffffffffffffffffffffff') { |
| echo sprintf("%-32s %s\n", "Special Use:", "Max UUID"); |
| echo "\n"; |
| } |
| |
| switch ($variant) { |
| case 0: |
| echo sprintf("%-24s %s\n", "Variant:", "[0xx] NCS (reserved for backward compatibility)"); |
| echo sprintf("%-32s %s\n", "Variant:", "[0b0__] Network Computing System (NCS)"); |
| |
| /* |
| * Internal structure of variant #0 UUIDs |
| 81,25 → 96,34 |
|---|
| * 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 |
| * +--------------------------...-----+ |
| * |
| */ |
| |
| /* |
| Variant 0 UUID |
| - 32 bit High Time |
| - 16 bit Low Time |
| - 16 bit Reserved |
| - 1 bit Variant (fix 0b0) |
| - 7 bit Family |
| - 56 bit Node |
| */ |
| |
| // Example of an UUID: 333a2276-0000-0000-0d00-00809c000000 |
| |
| # TODO: See https://github.com/cjsv/uuid/blob/master/Doc |
| // TODO: also show legacy format, e.g. 458487b55160.02.c0.64.02.03.00.00.00 |
| |
| # see also some notes at See https://github.com/cjsv/uuid/blob/master/Doc |
| |
| /* |
| NOTE: A generator is not possible, because there are no timestamps left! |
| The last possible timestamp was: |
| [0xFFFFFFFFFFFF] 2015-09-05 05:58:26'210655 GMT |
| That is in the following UUID: |
| ffffffff-ffff-0000-027f-000001000000 |
| Current timestamp generator: |
| echo dechex(round((microtime(true)+315532800)*250000)); |
| */ |
| |
| # Timestamp: Count of 4us intervals since 01 Jan 1980 00:00:00 GMT |
| # 1/0,000004 = 250000 |
| # Seconds between 1970 and 1980 : 315532800 |
| 106,193 → 130,532 |
|---|
| # 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")); |
| $ts = gmp_div($ts, gmp_init("250000")); |
| $ts = gmp_strval($ts); |
| $ms = gmp_strval($ms); |
| $ts = gmdate('Y-m-d H:i:s', intval($ts))."'".str_pad($ms, 7, '0', STR_PAD_LEFT).' GMT'; |
| echo sprintf("%-24s %s\n", "Timestamp:", "[0x$timestamp] $ts"); |
| $ts = gmp_add($ts, gmp_init("78883200000000", 10)); |
| $ms = gmp_mod($ts, gmp_init("250000", 10)); |
| $ts = gmp_div($ts, gmp_init("250000", 10)); |
| $ts = gmp_strval($ts, 10); |
| $ms = gmp_strval($ms, 10); |
| $ts = gmdate('Y-m-d H:i:s', intval($ts))."'".str_pad($ms, 6/*us*/, '0', STR_PAD_LEFT).' GMT'; |
| echo sprintf("%-32s %s\n", "Timestamp:", "[0x$timestamp] $ts"); |
| |
| $reserved = substr($uuid, 12, 4); |
| echo sprintf("%-24s %s\n", "Reserved:", "0x$reserved"); |
| echo sprintf("%-32s %s\n", "Reserved:", "[0x$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)'; |
| $nodeid_hex = substr($uuid, 18, 14); |
| $nodeid_dec = hexdec($nodeid_hex); |
| |
| // Sources: |
| // - https://bitsavers.org/pdf/ibm/rs6000/aix_3.0/SC23-2206-0_AIX_Version_3_for_RS6000_Communications_Programming_Concepts_199003.pdf |
| // - (For comparison) https://github.com/uuid6/uuid6-ietf-draft/issues/26#issuecomment-1062164457 |
| // - (For comparison) https://learn.microsoft.com/en-us/dotnet/api/system.net.sockets.addressfamily?view=net-7.0 [numbers 0..13 are mostly identical] |
| |
| if ($family_dec == 0) { |
| # Microsoft's AdressFamily: Unspecified 0 Unspecified address family. |
| # AIX 3.0 Manual: 0 unspec = Unspecified |
| $family_name = 'socket_$unspec (Unspecified)'; |
| $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
| } |
| else if ($family_dec == 1) { |
| # Microsoft's AdressFamily: Unix 1 Unix local to host address. |
| # AIX 3.0 Manual: 1 unix = Local to host (pipes, portals) |
| $family_name = 'socket_$unix (Local to host, e.g. pipes, portals)'; |
| $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
| } |
| else if ($family_dec == 2) { |
| # Microsoft's AdressFamily: InterNetwork 2 Address for IP version 4. |
| # AIX 3.0 Manual: 2 ip = Internet Protocols |
| $family_name = 'socket_$internet (Internet Protocols, e.g. IPv4)'; |
| // https://www.ibm.com/docs/en/aix/7.1?topic=u-uuid-gen-command-ncs (AIX 7.1) shows the following example output for /etc/ncs/uuid_gen -P |
| // := [ |
| // time_high := 16#458487df, |
| // time_low := 16#9fb2, |
| // reserved := 16#000, |
| // family := chr(16#02), |
| // host := [chr(16#c0), chr(16#64), chr(16#02), chr(16#03), |
| // chr(16#00), chr(16#00), chr(16#00)] |
| // ] |
| // This means that the IP address is 32 bits hex, and 32 bits are unused |
| $nodeid_desc = hexdec(substr($nodeid_hex,0,2)).'.'. |
| hexdec(substr($nodeid_hex,2,2)).'.'. |
| hexdec(substr($nodeid_hex,4,2)).'.'. |
| hexdec(substr($nodeid_hex,6,2)); |
| $rest = substr($nodeid_hex,8,6); |
| if ($rest != '000000') $nodeid_desc .= " + unexpected rest 0x$rest"; |
| } |
| else if ($family_dec == 3) { |
| # Microsoft's AdressFamily: ImpLink 3 ARPANET IMP address. |
| # AIX 3.0 Manual: 3 implink = ARPANET imp addresses |
| $family_name = 'socket_$implink (ARPANET imp addresses)'; |
| $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
| } |
| else if ($family_dec == 4) { |
| # Microsoft's AdressFamily: Pup 4 Address for PUP protocols. |
| # AIX 3.0 Manual: 4 pup = Pup protocols (for example, BSP) |
| $family_name = 'socket_$pup (Pup protocols, e.g. BSP)'; |
| $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
| } |
| else if ($family_dec == 5) { |
| # Microsoft's AdressFamily: Chaos 5 Address for MIT CHAOS protocols. |
| # AIX 3.0 Manual: 5 chaos = MIT CHAOS protocols |
| $family_name = 'socket_$chaos (MIT CHAOS protocols)'; |
| $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
| } |
| else if ($family_dec == 6) { |
| # Microsoft's AdressFamily: NS 6 Address for Xerox NS protocols. |
| # Microsoft's AdressFamily: Ipx 6 IPX or SPX address. |
| # AIX 3.0 Manual: 6 ns = XEROX NS protocols |
| $family_name = 'socket_$ns (XEROX NS protocols)'; |
| $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
| } |
| else if ($family_dec == 7) { |
| # Microsoft's AdressFamily: Osi 7 Address for OSI protocols. |
| # Microsoft's AdressFamily: Iso 7 Address for ISO protocols. |
| # AIX 3.0 Manual: 7 nbs = NBS protocols |
| $family_name = 'socket_$nbs (NBS protocols)'; |
| $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
| } |
| else if ($family_dec == 8) { |
| # Microsoft's AdressFamily: Ecma 8 European Computer Manufacturers Association (ECMA) address. |
| # AIX 3.0 Manual: 8 ecma = European computer manufacturers |
| $family_name = 'socket_$ecma (European computer manufacturers protocols)'; |
| $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
| } |
| else if ($family_dec == 9) { |
| # Microsoft's AdressFamily: DataKit 9 Address for Datakit protocols. |
| # AIX 3.0 Manual: 9 datakit = Datakit protocols |
| $family_name = 'socket_$datakit (Datakit protocols)'; |
| $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
| } |
| else if ($family_dec == 10) { |
| # Microsoft's AdressFamily: Ccitt 10 Addresses for CCITT protocols, such as X.25. |
| # AIX 3.0 Manual: A ccitt = CCITT protocols (for example, X.25) |
| $family_name = 'socket_$ccitt (CCITT protocols, e.g. X.25)'; |
| $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
| } |
| else if ($family_dec == 11) { |
| # Microsoft's AdressFamily: Sna 11 IBM SNA address. |
| # AIX 3.0 Manual: B sna = IBM SNA |
| $family_name = 'socket_$sna (IBM SNA)'; |
| $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
| } |
| else if ($family_dec == 12) { |
| # Microsoft's AdressFamily: DecNet 12 DECnet address. |
| # AIX 3.0 Manual: C unspec2 = Unspecified |
| $family_name = 'socket_$unspec2 (Unspecified)'; |
| $nodeid_desc = ''; // TODO: how to interprete the Node-ID of that family? |
| } |
| else if ($family_dec == 13) { |
| # Microsoft's AdressFamily: DataLink 13 Direct data-link interface address. |
| # AIX 3.0 Manual: D dds = Domain DDS protocol |
| # Some also call this "Data Link" ... Is that correct? |
| $family_name = 'socket_$dds (Domain DDS protocol)'; |
| // https://www.ibm.com/docs/en/aix/7.1?topic=u-uuid-gen-command-ncs (AIX 7.1) shows the following example output for /etc/ncs/uuid_gen -C |
| // = { 0x34dc23af, |
| // 0xf000, |
| // 0x0000, |
| // 0x0d, |
| // {0x00, 0x00, 0x7c, 0x5f, 0x00, 0x00, 0x00} }; |
| // https://github.com/cjsv/uuid/blob/master/Doc writes: |
| // "Family 13 (dds) looks like node is 00 | nnnnnn 000000." |
| |
| $nodeid_desc = ''; |
| |
| $start = substr($nodeid_hex,0,2); |
| if ($start != '00') $nodeid_desc .= "unexpected start 0x$start + "; |
| |
| $nodeid_desc .= ($nodeid_dec >> 24) & 0xFFFFFF; |
| |
| $rest = substr($nodeid_hex,8,6); |
| if ($rest != '000000') $nodeid_desc .= " + unexpected rest 0x$rest"; |
| } else { |
| $family_ = "Unknown ($family_dec)"; # There are probably no more families |
| $family_name = "Unknown (Family $family_dec)"; # There are probably no more families |
| $nodeid_desc = "Unknown"; |
| } |
| echo sprintf("%-24s %s\n", "Family:", "[0x$family_hex = $family_dec] $family_"); |
| echo sprintf("%-32s %s\n", "Family:", "[0x$family_hex] $family_name"); |
| |
| $nodeid = substr($uuid, 18, 14); |
| echo sprintf("%-24s %s\n", "Node ID:", "0x$nodeid"); |
| # TODO: interprete node id (the family specifies it) |
| echo sprintf("%-32s %s\n", "Node ID:", "[0x$nodeid_hex] $nodeid_desc"); |
| |
| break; |
| case 1: |
| echo sprintf("%-24s %s\n", "Variant:", "[10x] RFC 4122 (Leach-Mealling-Salz)"); |
| // TODO: Show byte order: 00112233-4455-6677-8899-aabbccddeeff => 00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff |
| |
| $version = hexdec(substr($uuid, 12, 1)); |
| |
| if ($version <= 2) { |
| echo sprintf("%-32s %s\n", "Variant:", "[0b10_] RFC 4122 (Leach-Mealling-Salz) / DCE 1.1"); |
| } else if (($version >= 3) && ($version <= 5)) { |
| echo sprintf("%-32s %s\n", "Variant:", "[0b10_] RFC 4122 (Leach-Mealling-Salz)"); |
| } else if (($version >= 6) && ($version <= 8)) { |
| echo sprintf("%-32s %s\n", "Variant:", "[0b10_] RFC 4122bis (Leach-Mealling-Peabody-Davis)"); |
| } else { |
| echo sprintf("%-32s %s\n", "Variant:", "[0b10_] RFC 4122 ?"); |
| } |
| |
| switch ($version) { |
| case 6: |
| /* |
| Variant 1, Version 6 UUID |
| - 48 bit High Time |
| - 4 bit Version (fix 0x6) |
| - 12 bit Low Time |
| - 2 bit Variant (fix 0b10) |
| - 6 bit Clock Sequence High |
| - 8 bit Clock Sequence Low |
| - 48 bit MAC Address |
| */ |
| echo sprintf("%-32s %s\n", "Version:", "[6] Reordered Time"); |
| $uuid = substr($uuid, 0, 8).'-'. |
| substr($uuid, 8, 4).'-'. |
| substr($uuid, 12, 4).'-'. |
| substr($uuid, 16, 4).'-'. |
| substr($uuid, 20, 12); |
| $uuid = uuid6_to_uuid1($uuid); |
| $uuid = str_replace('-', '', $uuid); |
| |
| /* fallthrough */ |
| case 1: |
| echo sprintf("%-24s %s\n", "Version:", "[1] Time-based with unique random host identifier"); |
| /* |
| Variant 1, Version 1 UUID |
| - 32 bit Low Time |
| - 16 bit Mid Time |
| - 4 bit Version (fix 0x1) |
| - 12 bit High Time |
| - 2 bit Variant (fix 0b10) |
| - 6 bit Clock Sequence High |
| - 8 bit Clock Sequence Low |
| - 48 bit MAC Address |
| */ |
| |
| if ($version == 1) echo sprintf("%-32s %s\n", "Version:", "[1] Time-based with unique 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")); |
| $ts = gmp_div($ts, gmp_init("10000000")); |
| $ts = gmp_strval($ts); |
| $ms = gmp_strval($ms); |
| $ts = gmdate('Y-m-d H:i:s', intval($ts))."'".str_pad($ms, 7, '0', STR_PAD_LEFT).' GMT'; |
| echo sprintf("%-24s %s\n", "Timestamp:", "[0x$timestamp] $ts"); |
| $ts = gmp_sub($ts, gmp_init("122192928000000000", 10)); |
| $ms = gmp_mod($ts, gmp_init("10000000", 10)); |
| $ts = gmp_div($ts, gmp_init("10000000", 10)); |
| $ts = gmp_strval($ts, 10); |
| $ms = gmp_strval($ms, 10); |
| $ts = gmdate('Y-m-d H:i:s', intval($ts))."'".str_pad($ms, 7/*0.1us*/, '0', STR_PAD_LEFT).' GMT'; |
| echo sprintf("%-32s %s\n", "Timestamp:", "[0x$timestamp] $ts"); |
| |
| $x = hexdec(substr($uuid, 16, 4)); |
| $dec = $x & 0x3FFF; // The highest 2 bits are used by "variant" (10x) |
| $hex = substr($uuid, 16, 4); |
| echo sprintf("%-24s %s\n", "Clock ID:", "[0x$hex] $dec"); |
| $hex = '<abbr title="The highest 2 bits are used by the UUID variant (10xx)">'.$hex[0].'</abbr>'.substr($hex,1); |
| echo sprintf("%-32s %s\n", "Clock ID:", "[0x$hex] $dec"); |
| |
| $x = substr($uuid, 20, 12); |
| $nodeid = ''; |
| for ($i=0; $i<6; $i++) { |
| $nodeid .= substr($x, $i*2, 2); |
| if ($i != 5) $nodeid .= ':'; |
| if ($i != 5) $nodeid .= '-'; |
| } |
| echo sprintf("%-24s %s\n", "Node ID:", "$nodeid"); |
| $nodeid = strtoupper($nodeid); |
| echo sprintf("%-32s %s\n", "Node ID:", "[0x$x] $nodeid"); |
| |
| if (function_exists('decode_mac')) { |
| echo "\nIn case that this Node ID is a MAC address, here is the interpretation of that MAC address:\n"; |
| decode_mac($nodeid); |
| } |
| echo "\n<u>In case that this Node ID is a MAC address, here is the interpretation of that MAC address:</u>\n\n"; |
| decode_mac(strtoupper($nodeid)); |
| |
| break; |
| case 2: |
| echo sprintf("%-24s %s\n", "Version:", "[2] DCE Security version"); |
| /* |
| Variant 1, Version 2 UUID |
| - 32 bit Local Domain Number |
| - 16 bit Mid Time |
| - 4 bit Version (fix 0x2) |
| - 12 bit High Time |
| - 2 bit Variant (fix 0b10) |
| - 6 bit Clock Sequence |
| - 8 bit Local Domain |
| - 48 bit MAC Address |
| */ |
| |
| # 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"); |
| // see also https://unicorn-utterances.com/posts/what-happened-to-uuid-v2 |
| |
| echo sprintf("%-32s %s\n", "Version:", "[2] DCE Security version"); |
| |
| # 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, 18, 2); |
| if ($x == '00') $domain_info = 'POSIX: User-ID / Non-POSIX: site-defined'; |
| else if ($x == '01') $domain_info = 'POSIX: Group-ID / Non-POSIX: site-defined'; |
| else $domain_info = 'site-defined'; |
| echo sprintf("%-24s %s\n", "Local Domain:", "0x$x ($domain_info)"); |
| if ($x == '00') $domain_info = 'Person (e.g. POSIX UID)'; |
| else if ($x == '01') $domain_info = 'Group (e.g. POSIX GID)'; |
| else if ($x == '02') $domain_info = 'Organization'; |
| else $domain_info = 'site-defined (Domain '.hexdec($x).')'; |
| echo sprintf("%-32s %s\n", "Local Domain:", "[0x$x] $domain_info"); |
| |
| # 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); |
| $dec = hexdec($x); |
| echo sprintf("%-32s %s\n", "Local Domain Number:", "[0x$x] $dec"); |
| |
| # 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'; |
| $ts = gmp_init($timestamp, 16); |
| $ts = gmp_sub($ts, gmp_init("122192928000000000")); |
| $ms = gmp_mod($ts, gmp_init("10000000")); |
| $ts = gmp_div($ts, gmp_init("10000000")); |
| $ts = gmp_strval($ts); |
| $ms = gmp_strval($ms); |
| $ts_min = gmdate('Y-m-d H:i:s', intval($ts))."'".str_pad($ms, 7, '0', STR_PAD_LEFT).' GMT'; |
| $ts = gmp_sub($ts, gmp_init("122192928000000000", 10)); |
| $ms = gmp_mod($ts, gmp_init("10000000", 10)); |
| $ts = gmp_div($ts, gmp_init("10000000", 10)); |
| $ts = gmp_strval($ts, 10); |
| $ms = gmp_strval($ms, 10); |
| $ts_min = gmdate('Y-m-d H:i:s', intval($ts))."'".str_pad($ms, 7/*0.1us*/, '0', STR_PAD_LEFT).' GMT'; |
| |
| $timestamp = substr($uuid, 13, 3).substr($uuid, 8, 4).'FFFFFFFF'; |
| $ts = gmp_init($timestamp, 16); |
| $ts = gmp_sub($ts, gmp_init("122192928000000000")); |
| $ms = gmp_mod($ts, gmp_init("10000000")); |
| $ts = gmp_div($ts, gmp_init("10000000")); |
| $ts = gmp_strval($ts); |
| $ms = gmp_strval($ms); |
| $ts_max = gmdate('Y-m-d H:i:s', intval($ts))."'".str_pad($ms, 7, '0', STR_PAD_LEFT).' GMT'; |
| $ts = gmp_sub($ts, gmp_init("122192928000000000", 10)); |
| $ms = gmp_mod($ts, gmp_init("10000000", 10)); |
| $ts = gmp_div($ts, gmp_init("10000000", 10)); |
| $ts = gmp_strval($ts, 10); |
| $ms = gmp_strval($ms, 10); |
| $ts_max = gmdate('Y-m-d H:i:s', intval($ts))."'".str_pad($ms, 7/*0.1us*/, '0', STR_PAD_LEFT).' GMT'; |
| |
| $timestamp = substr($uuid, 13, 3).substr($uuid, 8, 4).'xxxxxxxx'; |
| echo sprintf("%-24s %s\n", "Timestamp:", "[0x$timestamp] $ts_min - $ts_max"); |
| $timestamp = substr($uuid, 13, 3).substr($uuid, 8, 4)/*.'xxxxxxxx'*/; |
| echo sprintf("%-32s %s\n", "Timestamp:", "[0x$timestamp] $ts_min - $ts_max"); |
| |
| $x = hexdec(substr($uuid, 16, 2).'00'); |
| $dec_min = $x & 0x3FFF; // The highest 2 bits are used by "variant" (10x) |
| $x = hexdec(substr($uuid, 16, 2).'FF'); |
| $dec_max = $x & 0x3FFF; // The highest 2 bits are used by "variant" (10x) |
| $hex = substr($uuid, 16, 2).'xx'; |
| echo sprintf("%-24s %s\n", "Clock ID:", "[0x$hex] $dec_min - $dec_max"); |
| $x = hexdec(substr($uuid, 16, 2)); |
| $dec = $x & 0x3F; // The highest 2 bits are used by "variant" (10xx) |
| $hex = substr($uuid, 16, 2); |
| $hex = '<abbr title="The highest 2 bits are used by the UUID variant (10xx)">'.$hex[0].'</abbr>'.substr($hex,1); |
| echo sprintf("%-32s %s\n", "Clock ID:", "[0x$hex] $dec"); |
| |
| $x = substr($uuid, 20, 12); |
| $nodeid = ''; |
| for ($i=0; $i<6; $i++) { |
| $nodeid .= substr($x, $i*2, 2); |
| if ($i != 5) $nodeid .= ':'; |
| if ($i != 5) $nodeid .= '-'; |
| } |
| echo sprintf("%-24s %s\n", "Node ID:", "$nodeid"); |
| $nodeid = strtoupper($nodeid); |
| echo sprintf("%-32s %s\n", "Node ID:", "[0x$x] $nodeid"); |
| |
| if (function_exists('decode_mac')) { |
| echo "\nIn case that this Node ID is a MAC address, here is the interpretation of that MAC address:\n"; |
| decode_mac($nodeid); |
| } |
| echo "\n<u>In case that this Node ID is a MAC address, here is the interpretation of that MAC address:</u>\n\n"; |
| decode_mac(strtoupper($nodeid)); |
| |
| break; |
| case 3: |
| echo sprintf("%-24s %s\n", "Version:", "[3] Name-based (MD5 hash)"); |
| /* |
| Variant 1, Version 3 UUID |
| - 48 bit Hash High |
| - 4 bit Version (fix 0x3) |
| - 12 bit Hash Mid |
| - 2 bit Variant (fix 0b10) |
| - 62 bit Hash Low |
| */ |
| |
| echo sprintf("%-32s %s\n", "Version:", "[3] Name-based (MD5 hash)"); |
| |
| $hash = str_replace('-', '', strtolower($uuid)); |
| |
| $hash[12] = '?'; // was overwritten by version |
| |
| $var16a = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b0000)); |
| $var16b = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b0100)); |
| $var16c = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b1000)); |
| $var16d = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b1100)); |
| $hash[16] = '?'; // was partially overwritten by variant |
| |
| echo sprintf("%-24s %s\n", "MD5(Namespace+Subject):", "$hash"); |
| $p = 16; |
| $hash = substr($hash,0,$p)."<abbr title=\"$var16a, $var16b, $var16c, or $var16d\">".substr($hash,$p,1).'</abbr>'.substr($hash,$p+1); |
| echo sprintf("%-32s %s\n", "MD5(Namespace+Subject):", "[0x$hash]"); |
| |
| break; |
| case 4: |
| echo sprintf("%-24s %s\n", "Version:", "[4] Random"); |
| /* |
| Variant 1, Version 4 UUID |
| - 48 bit Random High |
| - 4 bit Version (fix 0x4) |
| - 12 bit Random Mid |
| - 2 bit Variant (fix 0b10) |
| - 62 bit Random Low |
| */ |
| |
| $rand = ''; |
| echo sprintf("%-32s %s\n", "Version:", "[4] Random"); |
| |
| $rand_line1 = ''; |
| $rand_line2 = ''; |
| for ($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'; |
| // was overwritten by version |
| $bin[0] = '?'; |
| $bin[1] = '?'; |
| $bin[2] = '?'; |
| $bin[3] = '?'; |
| } else if ($i == 8) { |
| $bin[0] = 'x'; |
| $bin[1] = 'x'; |
| $bin[2] = 'x'; |
| $bin[3] = 'x'; |
| // was partially overwritten by variant |
| $bin[0] = '?'; |
| $bin[1] = '?'; |
| } |
| |
| $rand .= "$bin "; |
| if ($i<8) $rand_line1 .= "$bin "; |
| if ($i>=8) $rand_line2 .= "$bin "; |
| } |
| echo sprintf("%-32s %s\n", "Random bits:", trim($rand_line1)); |
| echo sprintf("%-32s %s\n", "", trim($rand_line2)); |
| |
| echo sprintf("%-24s %s\n", "Random bits:", trim($rand)); |
| $rand_bytes = str_replace('-', '', strtolower($uuid)); |
| $rand_bytes[12] = '?'; // was overwritten by version |
| $var16a = strtoupper(dechex(hexdec($rand_bytes[16]) & 0b0011 | 0b0000)); |
| $var16b = strtoupper(dechex(hexdec($rand_bytes[16]) & 0b0011 | 0b0100)); |
| $var16c = strtoupper(dechex(hexdec($rand_bytes[16]) & 0b0011 | 0b1000)); |
| $var16d = strtoupper(dechex(hexdec($rand_bytes[16]) & 0b0011 | 0b1100)); |
| $rand_bytes[16] = '?'; // was partially overwritten by variant |
| |
| $p = 16; |
| $rand_bytes = substr($rand_bytes,0,$p)."<abbr title=\"$var16a, $var16b, $var16c, or $var16d\">".substr($rand_bytes,$p,1).'</abbr>'.substr($rand_bytes,$p+1); |
| echo sprintf("%-32s %s\n", "Random bytes:", "[0x$rand_bytes]"); |
| |
| break; |
| case 5: |
| echo sprintf("%-24s %s\n", "Version:", "[5] Name-based (SHA-1 hash)"); |
| /* |
| Variant 1, Version 5 UUID |
| - 48 bit Hash High |
| - 4 bit Version (fix 0x5) |
| - 12 bit Hash Mid |
| - 2 bit Variant (fix 0b10) |
| - 62 bit Hash Low |
| */ |
| |
| echo sprintf("%-32s %s\n", "Version:", "[5] Name-based (SHA-1 hash)"); |
| |
| $hash = str_replace('-', '', strtolower($uuid)); |
| |
| $hash[12] = '?'; // was overwritten by version |
| |
| $var16a = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b0000)); |
| $var16b = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b0100)); |
| $var16c = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b1000)); |
| $var16d = strtoupper(dechex(hexdec($hash[16]) & 0b0011 | 0b1100)); |
| $hash[16] = '?'; // was partially overwritten by variant |
| |
| $hash .= '????????'; // was cut off |
| |
| echo sprintf("%-24s %s\n", "SHA1(Namespace+Subject):", "$hash"); |
| $p = 16; |
| $hash = substr($hash,0,$p)."<abbr title=\"$var16a, $var16b, $var16c, or $var16d\">".substr($hash,$p,1).'</abbr>'.substr($hash,$p+1); |
| echo sprintf("%-32s %s\n", "SHA1(Namespace+Subject):", "[0x$hash]"); |
| |
| break; |
| case 7: |
| /* |
| Variant 1, Version 7 UUID |
| - 48 bit Unix Time in milliseconds |
| - 4 bit Version (fix 0x7) |
| - 12 bit Random |
| - 2 bit Variant (fix 0b10) |
| - 62 bit Random |
| */ |
| |
| echo sprintf("%-32s %s\n", "Version:", "[7] Unix Epoch Time"); |
| |
| $timestamp = substr($uuid, 0, 12); |
| |
| // Timestamp: Split into seconds and milliseconds |
| $ts = gmp_init($timestamp, 16); |
| $ms = gmp_mod($ts, gmp_init("1000", 10)); |
| $ts = gmp_div($ts, gmp_init("1000", 10)); |
| $ts = gmp_strval($ts, 10); |
| $ms = gmp_strval($ms, 10); |
| $ts = gmdate('Y-m-d H:i:s', intval($ts))."'".str_pad($ms, 3/*ms*/, '0', STR_PAD_LEFT).' GMT'; |
| echo sprintf("%-32s %s\n", "Timestamp:", "[0x$timestamp] $ts"); |
| |
| $rand = ''; |
| for ($i=6; $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) { |
| // was overwritten by version |
| $bin[0] = '?'; |
| $bin[1] = '?'; |
| $bin[2] = '?'; |
| $bin[3] = '?'; |
| } else if ($i == 8) { |
| // was partially overwritten by variant |
| $bin[0] = '?'; |
| $bin[1] = '?'; |
| } |
| |
| $rand .= "$bin "; |
| } |
| echo sprintf("%-32s %s\n", "Random bits:", trim($rand)); |
| |
| $rand_bytes = substr(str_replace('-', '', strtolower($uuid)),13); |
| $var16a = strtoupper(dechex(hexdec($rand_bytes[3]) & 0b0011 | 0b0000)); |
| $var16b = strtoupper(dechex(hexdec($rand_bytes[3]) & 0b0011 | 0b0100)); |
| $var16c = strtoupper(dechex(hexdec($rand_bytes[3]) & 0b0011 | 0b1000)); |
| $var16d = strtoupper(dechex(hexdec($rand_bytes[3]) & 0b0011 | 0b1100)); |
| $rand_bytes[3] = '?'; // was partially overwritten by variant |
| |
| $p = 3; |
| $rand_bytes = substr($rand_bytes,0,$p)."<abbr title=\"$var16a, $var16b, $var16c, or $var16d\">".substr($rand_bytes,$p,1).'</abbr>'.substr($rand_bytes,$p+1); |
| echo sprintf("%-32s %s\n", "Random bytes:", "[0x$rand_bytes]"); |
| |
| // TODO: convert to and from Base32 CROCKFORD ULID (make 2 methods in uuid_utils.inc.php) |
| // e.g. ULID: 01GCZ05N3JFRKBRWKNGCQZGP44 |
| // "Be aware that all version 7 UUIDs may be converted to ULIDs but not all ULIDs may be converted to UUIDs." |
| |
| break; |
| case 8: |
| /* |
| Variant 1, Version 8 UUID |
| - 48 bit Custom data |
| - 4 bit Version (fix 0x8) |
| - 12 bit Custom data |
| - 2 bit Variant (fix 0b10) |
| - 62 bit Custom data |
| */ |
| |
| echo sprintf("%-32s %s\n", "Version:", "[8] Custom implementation"); |
| |
| $custom_data = substr($uuid,0,12).substr($uuid,13); // exclude version nibble |
| $custom_data[15] = dechex(hexdec($custom_data[15]) & 0b0011); // nibble was partially overwritten by variant |
| $custom_data = strtolower($custom_data); |
| |
| $custom_block1 = substr($uuid, 0, 8); |
| $custom_block2 = substr($uuid, 8, 4); |
| $custom_block3 = substr($uuid, 12, 4); |
| $custom_block4 = substr($uuid, 16, 4); |
| $custom_block5 = substr($uuid, 20); |
| |
| $custom_block3 = substr($custom_block3, 1); // remove version |
| $custom_block4[0] = dechex(hexdec($custom_block4[0]) & 0b0011); // remove variant |
| |
| echo sprintf("%-32s %s\n", "Custom data:", "[0x$custom_data]"); |
| echo sprintf("%-32s %s\n", "Custom block1 (32 bit):", "[0x$custom_block1]"); |
| echo sprintf("%-32s %s\n", "Custom block2 (16 bit):", "[0x$custom_block2]"); |
| echo sprintf("%-32s %s\n", "Custom block3 (12 bit):", "[0x$custom_block3]"); |
| echo sprintf("%-32s %s\n", "Custom block4 (14 bit):", "[0x$custom_block4]"); |
| echo sprintf("%-32s %s\n", "Custom block5 (48 bit):", "[0x$custom_block5]"); |
| |
| break; |
| default: |
| echo sprintf("%-24s %s\n", "Version:", "[$version] Unknown"); |
| echo sprintf("%-32s %s\n", "Version:", "[$version] Unknown"); |
| break; |
| } |
| |
| break; |
| case 2: |
| echo sprintf("%-24s %s\n", "Variant:", "[110] Reserved for Microsoft Corporation"); |
| // TODO: Show byte order: 00112233-4455-6677-8899-aabbccddeeff => 33 22 11 00 55 44 77 66 88 99 aa bb cc dd ee ff |
| |
| // TODO: Is there any scheme in that legacy Microsoft GUIDs? |
| echo sprintf("%-32s %s\n", "Variant:", "[0b110] Reserved for Microsoft Corporation"); |
| break; |
| case 3: |
| echo sprintf("%-24s %s\n", "Variant:", "[111] Reserved for future use"); |
| echo sprintf("%-32s %s\n", "Variant:", "[0b111] Reserved for future use"); |
| break; |
| } |
| |
| if (!$echo) { |
| $out = ob_get_contents(); |
| ob_end_clean(); |
| return $out; |
| } else { |
| return true; |
| } |
| } |
| |
| function uuid_canonize($uuid) { |
| if (!uuid_valid($uuid)) return false; |
| 353,20 → 716,47 |
|---|
| |
| $uuid = str_replace(array('-', '{', '}'), '', $uuid); |
| $x = gmp_init($uuid, 16); |
| return '2.25.'.gmp_strval($x, 10); # TODO: parameter with or without leading dot |
| return '2.25.'.gmp_strval($x, 10); |
| } |
| |
| function gen_uuid($prefer_timebased = true) { |
| $uuid = $prefer_timebased ? gen_uuid_timebased() : false; |
| if ($uuid === false) $uuid = gen_uuid_random(); |
| function uuid_numeric_value($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) . ' } }'; |
| } |
| |
| function gen_uuid($prefer_mac_address_based = true) { |
| $uuid = $prefer_mac_address_based ? gen_uuid_reordered()/*UUIDv6*/ : false; |
| if ($uuid === false) $uuid = gen_uuid_unix_epoch()/*UUIDv7*/; |
| return $uuid; |
| } |
| |
| // Version 1 (Time based) UUID |
| function gen_uuid_timebased() { |
| # -------------------------------------- |
| // Variant 1, Version 1 (Time based) UUID |
| # -------------------------------------- |
| |
| function gen_uuid_v1() { |
| return gen_uuid_timebased(); |
| } |
| function gen_uuid_timebased($force_php_implementation=false) { |
| # On Debian: apt-get install php-uuid |
| # extension_loaded('uuid') |
| if (function_exists('uuid_create')) { |
| if (!$force_php_implementation && function_exists('uuid_create')) { |
| # OSSP uuid extension like seen in php5-uuid at Debian 8 |
| /* |
| $x = uuid_create($context); |
| 380,7 → 770,7 |
|---|
| } |
| |
| # On Debian: apt-get install uuid-runtime |
| if (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') { |
| if (!$force_php_implementation && strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') { |
| $out = array(); |
| $ec = -1; |
| exec('uuidgen -t 2>/dev/null', $out, $ec); |
| 404,20 → 794,30 |
|---|
| * is the offset between UNIX epoch and the UUID UTC |
| * time base October 15, 1582. |
| */ |
| if (time_nanosleep(0,100) !== true) usleep(1); // Wait 100ns, to make sure that the time part changes if multiple UUIDs are generated |
| $tp = gettimeofday(); |
| if (PHP_INT_SIZE == 4) { |
| $tp['sec'] = gmp_init($tp['sec'],10); |
| $tp['usec'] = gmp_init($tp['usec'],10); |
| $time = gmp_add(gmp_add(gmp_mul($tp['sec'], gmp_init('10000000',10)),gmp_mul($tp['usec'], gmp_init('10',10))),gmp_init('01B21DD213814000',16)); |
| $uuid['time_low'] = gmp_and($time, gmp_init('ffffffff',16)); |
| $high = gmp_shiftr($time,32); |
| $uuid['time_mid'] = gmp_and($high, gmp_init('ffff',16)); |
| $uuid['time_hi'] = intval(gmp_and(gmp_shiftr($high,16),gmp_init('fff',16)),10) | (1/*TimeBased*/ << 12); |
| } else { |
| $time = ($tp['sec'] * 10000000) + ($tp['usec'] * 10) + 0x01B21DD213814000; |
| |
| $uuid['time_low'] = $time & 0xffffffff; |
| /* Work around PHP 32-bit bit-operation limits */ |
| $high = intval($time / 0xffffffff); |
| $uuid['time_mid'] = $high & 0xffff; |
| $uuid['time_hi'] = (($high >> 16) & 0xfff) | (1/*TimeBased*/ << 12); |
| } |
| |
| /* |
| * We don't support saved state information and generate |
| * a random clock sequence each time. |
| */ |
| $uuid['clock_seq_hi'] = 0x80 | _random_int(0, 64); |
| $uuid['clock_seq_hi'] = _random_int(0, 255) & 0b00111111 | 0b10000000; // set variant to 0b10__ (RFC 4122) |
| $uuid['clock_seq_low'] = _random_int(0, 255); |
| |
| /* |
| 425,10 → 825,15 |
|---|
| */ |
| $mac = get_mac_address(); |
| if ($mac) { |
| $node = str_replace(':','',$mac); |
| $node = str_replace('-','',str_replace(':','',$mac)); |
| for ($i = 0; $i < 6; $i++) { |
| $uuid['node'][$i] = hexdec(substr($node, $i*2, 2)); |
| } |
| } else { |
| // If we cannot get a MAC address, then generate a random AAI |
| $uuid['node'] = explode('-', gen_aai(48, false)); |
| $uuid['node'] = array_map('hexdec', $uuid['node']); |
| } |
| |
| /* |
| * Now output the UUID |
| 441,98 → 846,32 |
|---|
| $uuid['node'][3], $uuid['node'][4], $uuid['node'][5]); |
| } |
| |
| # We cannot generate the timebased UUID! |
| return false; |
| } |
| # -------------------------------------- |
| // Variant 1, Version 2 (DCE Security) UUID |
| # -------------------------------------- |
| |
| function get_mac_address() { |
| static $detected_mac = false; |
| |
| if ($detected_mac !== false) { // false NOT null! |
| return $detected_mac; |
| define('DCE_DOMAIN_PERSON', 0); |
| define('DCE_DOMAIN_GROUP', 1); |
| define('DCE_DOMAIN_ORG', 2); |
| function gen_uuid_v2($domain, $id) { |
| return gen_uuid_dce($domain, $id); |
| } |
| function gen_uuid_dce($domain, $id) { |
| if (($domain ?? '') === '') throw new Exception("Domain ID missing"); |
| if (!is_numeric($domain)) throw new Exception("Invalid Domain ID"); |
| if (($domain < 0) || ($domain > 255)) throw new Exception("Domain ID must be in range 0..255"); |
| |
| // TODO: This should actually be part of mac_utils.inc.php, but we need it |
| // here, and mac_utils.inc.php shall only be optional. What to do? |
| if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') { |
| // Windows |
| $cmds = array( |
| "ipconfig /all", // faster |
| "getmac" |
| ); |
| foreach ($cmds as $cmd) { |
| $out = array(); |
| $ec = -1; |
| exec($cmd, $out, $ec); |
| if ($ec == 0) { |
| $out = implode("\n",$out); |
| $m = array(); |
| if (preg_match("/([0-9a-f]{2}\\-[0-9a-f]{2}\\-[0-9a-f]{2}\\-[0-9a-f]{2}\\-[0-9a-f]{2}\\-[0-9a-f]{2})/ismU", $out, $m)) { |
| $detected_mac = str_replace('-', ':', strtolower($m[1])); |
| return $detected_mac; |
| } |
| } |
| } |
| } else if (strtoupper(PHP_OS) == 'DARWIN') { |
| // Mac OS X |
| $cmds = array( |
| "networksetup -listallhardwareports 2>/dev/null", |
| "netstat -i 2>/dev/null" |
| ); |
| foreach ($cmds as $cmd) { |
| $out = array(); |
| $ec = -1; |
| exec($cmd, $out, $ec); |
| if ($ec == 0) { |
| $out = implode("\n",$out); |
| $m = array(); |
| if (preg_match("/([0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2})/ismU", $out, $m)) { |
| $detected_mac = $m[1]; |
| return $detected_mac; |
| } |
| } |
| } |
| } else { |
| // Linux |
| $addresses = @glob('/sys/class/net/'.'*'.'/address'); |
| foreach ($addresses as $x) { |
| if (!strstr($x,'/lo/')) { |
| $detected_mac = trim(file_get_contents($x)); |
| return $detected_mac; |
| } |
| } |
| $cmds = array( |
| "netstat -ie 2>/dev/null", |
| "ifconfig 2>/dev/null" // only available for root (because it is in sbin) |
| ); |
| foreach ($cmds as $cmd) { |
| $out = array(); |
| $ec = -1; |
| exec($cmd, $out, $ec); |
| if ($ec == 0) { |
| $out = implode("\n",$out); |
| $m = array(); |
| if (preg_match("/([0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2})/ismU", $out, $m)) { |
| $detected_mac = $m[1]; |
| return $detected_mac; |
| } |
| } |
| } |
| } |
| if (($id ?? '') === '') throw new Exception("ID value missing"); |
| if (!is_numeric($id)) throw new Exception("Invalid ID value"); |
| if (($id < 0) || ($id > 4294967295)) throw new Exception("ID value must be in range 0..4294967295"); |
| |
| $detected_mac = null; |
| return $detected_mac; |
| } |
| |
| // Version 2 (DCE Security) UUID |
| function gen_uuid_dce($domain, $id) { |
| # Start with a version 1 UUID |
| $uuid = gen_uuid_timebased(); |
| |
| # Add ID |
| # Add Domain Number |
| $uuid = str_pad(dechex($id), 8, '0', STR_PAD_LEFT) . substr($uuid, 8); |
| |
| # Add domain |
| # Add Domain (this overwrites part of the clock sequence) |
| $uuid = substr($uuid,0,21) . str_pad(dechex($domain), 2, '0', STR_PAD_LEFT) . substr($uuid, 23); |
| |
| # Change version to 2 |
| 541,9 → 880,17 |
|---|
| return $uuid; |
| } |
| |
| // Version 3 (MD5 name based) UUID |
| # -------------------------------------- |
| // Variant 1, Version 3 (MD5 name based) UUID |
| # -------------------------------------- |
| |
| function gen_uuid_v3($namespace_uuid, $name) { |
| return gen_uuid_md5_namebased($namespace_uuid, $name); |
| } |
| function gen_uuid_md5_namebased($namespace_uuid, $name) { |
| if (!uuid_valid($namespace_uuid)) return false; |
| if (($namespace_uuid ?? '') === '') throw new Exception("Namespace UUID missing"); |
| if (!uuid_valid($namespace_uuid)) throw new Exception("Invalid namespace UUID '$namespace_uuid'"); |
| |
| $namespace_uuid = uuid_canonize($namespace_uuid); |
| $namespace_uuid = str_replace('-', '', $namespace_uuid); |
| $namespace_uuid = hex2bin($namespace_uuid); |
| 550,7 → 897,7 |
|---|
| |
| $hash = md5($namespace_uuid.$name); |
| $hash[12] = '3'; // Set version: 3 = MD5 |
| $hash[16] = dechex(hexdec($hash[16]) & 0x3 | 0x8); // Set variant to "10xx" (RFC4122) |
| $hash[16] = dechex(hexdec($hash[16]) & 0b0011 | 0b1000); // Set variant to "10xx" (RFC4122) |
| |
| return substr($hash, 0, 8).'-'. |
| substr($hash, 8, 4).'-'. |
| 559,14 → 906,23 |
|---|
| substr($hash, 20, 12); |
| } |
| |
| // Version 4 (Random) UUID |
| # -------------------------------------- |
| // Variant 1, Version 4 (Random) UUID |
| # -------------------------------------- |
| |
| function gen_uuid_v4() { |
| return gen_uuid_random(); |
| } |
| function gen_uuid_random() { |
| # On Windows: Requires |
| # extension_dir = "C:\php-8.0.3-nts-Win32-vs16-x64\ext" |
| # extension=com_dotnet |
| // TODO: can we trust that com_create_guid() always outputs UUIDv4? |
| /* |
| if (function_exists('com_create_guid')) { |
| return strtolower(trim(com_create_guid(), '{}')); |
| } |
| */ |
| |
| # On Debian: apt-get install php-uuid |
| # extension_loaded('uuid') |
| 607,14 → 963,23 |
|---|
| ); |
| } |
| |
| // Version 5 (SHA1 name based) UUID |
| # -------------------------------------- |
| // Variant 1, Version 5 (SHA1 name based) UUID |
| # -------------------------------------- |
| |
| function gen_uuid_v5($namespace_uuid, $name) { |
| return gen_uuid_sha1_namebased($namespace_uuid, $name); |
| } |
| function gen_uuid_sha1_namebased($namespace_uuid, $name) { |
| if (($namespace_uuid ?? '') === '') throw new Exception("Namespace UUID missing"); |
| if (!uuid_valid($namespace_uuid)) throw new Exception("Invalid namespace UUID '$namespace_uuid'"); |
| |
| $namespace_uuid = str_replace('-', '', $namespace_uuid); |
| $namespace_uuid = hex2bin($namespace_uuid); |
| |
| $hash = sha1($namespace_uuid.$name); |
| $hash[12] = '5'; // Set version: 5 = SHA1 |
| $hash[16] = dechex(hexdec($hash[16]) & 0x3 | 0x8); // Set variant to "10xx" (RFC4122) |
| $hash[16] = dechex(hexdec($hash[16]) & 0b0011 | 0b1000); // Set variant to "0b10__" (RFC4122/DCE1.1) |
| |
| return substr($hash, 0, 8).'-'. |
| substr($hash, 8, 4).'-'. |
| 623,48 → 988,96 |
|---|
| substr($hash, 20, 12); |
| } |
| |
| function uuid_numeric_value($uuid) { |
| $oid = uuid_to_oid($uuid); |
| if (!$oid) return false; |
| return substr($oid, strlen('2.25.')); |
| # -------------------------------------- |
| // Variant 1, Version 6 (Reordered) UUID |
| # -------------------------------------- |
| |
| function gen_uuid_v6() { |
| return gen_uuid_reordered(); |
| } |
| function gen_uuid_reordered() { |
| // Start with a UUIDv1 |
| $uuid = gen_uuid_timebased(); |
| |
| function uuid_c_syntax($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) . ' } }'; |
| // Convert to UUIDv6 |
| return uuid1_to_uuid6($uuid); |
| } |
| function uuid6_to_uuid1($hex) { |
| $hex = uuid_canonize($hex); |
| if ($hex === false) return false; |
| $hex = preg_replace('@[^0-9A-F]@i', '', $hex); |
| $hex = substr($hex, 7, 5). |
| substr($hex, 13, 3). |
| substr($hex, 3, 4). |
| '1' . substr($hex, 0, 3). |
| substr($hex, 16); |
| return substr($hex, 0, 8).'-'. |
| substr($hex, 8, 4).'-'. |
| substr($hex, 12, 4).'-'. |
| substr($hex, 16, 4).'-'. |
| substr($hex, 20, 12); |
| } |
| function uuid1_to_uuid6($hex) { |
| $hex = uuid_canonize($hex); |
| if ($hex === false) return false; |
| $hex = preg_replace('@[^0-9A-F]@i', '', $hex); |
| $hex = substr($hex, 13, 3). |
| substr($hex, 8, 4). |
| substr($hex, 0, 5). |
| '6' . substr($hex, 5, 3). |
| substr($hex, 16); |
| return substr($hex, 0, 8).'-'. |
| substr($hex, 8, 4).'-'. |
| substr($hex, 12, 4).'-'. |
| substr($hex, 16, 4).'-'. |
| substr($hex, 20, 12); |
| } |
| |
| # --- |
| # -------------------------------------- |
| // Variant 1, Version 7 (Unix Epoch) UUID |
| # -------------------------------------- |
| |
| // 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 ) ); |
| function gen_uuid_v7() { |
| return gen_uuid_unix_epoch(); |
| } |
| function gen_uuid_unix_epoch() { |
| // Start with an UUIDv4 |
| $uuid = gen_uuid_random(); |
| |
| return $sbin; |
| // Add the timestamp |
| usleep(1000); // Wait 1ms, to make sure that the time part changes if multiple UUIDs are generated |
| if (function_exists('gmp_init')) { |
| list($ms,$sec) = explode(' ', microtime(false)); |
| $sec = gmp_init($sec, 10); |
| $ms = gmp_init(substr($ms,2,3), 10); |
| $unix_ts = gmp_strval(gmp_add(gmp_mul($sec, '1000'), $ms),16); |
| } else { |
| $unix_ts = dechex((int)round(microtime(true)*1000)); |
| } |
| $unix_ts = str_pad($unix_ts, 12, '0', STR_PAD_LEFT); |
| for ($i=0;$i<8;$i++) $uuid[$i] = substr($unix_ts, $i, 1); |
| for ($i=0;$i<4;$i++) $uuid[9+$i] = substr($unix_ts, 8+$i, 1); |
| |
| // set version |
| $uuid[14] = '7'; |
| |
| return $uuid; |
| } |
| |
| # -------------------------------------- |
| // Variant 1, Version 8 (Custom) UUID |
| # -------------------------------------- |
| |
| |
| function gen_uuid_v8($block1_32bit, $block2_16bit, $block3_12bit, $block4_14bit, $block5_48bit) { |
| return gen_uuid_custom($block1_32bit, $block2_16bit, $block3_12bit, $block4_14bit, $block5_48bit); |
| } |
| function gen_uuid_custom($block1_32bit, $block2_16bit, $block3_12bit, $block4_14bit, $block5_48bit) { |
| if (preg_replace('@[0-9A-F]@i', '', $block1_32bit) != '') throw new Exception("Invalid data for block 1. Must be hex input"); |
| if (preg_replace('@[0-9A-F]@i', '', $block2_16bit) != '') throw new Exception("Invalid data for block 2. Must be hex input"); |
| if (preg_replace('@[0-9A-F]@i', '', $block3_12bit) != '') throw new Exception("Invalid data for block 3. Must be hex input"); |
| if (preg_replace('@[0-9A-F]@i', '', $block4_14bit) != '') throw new Exception("Invalid data for block 4. Must be hex input"); |
| if (preg_replace('@[0-9A-F]@i', '', $block5_48bit) != '') throw new Exception("Invalid data for block 5. Must be hex input"); |
| |
| $block1 = str_pad(substr($block1_32bit, -8), 8, '0', STR_PAD_LEFT); |
| $block2 = str_pad(substr($block2_16bit, -4), 4, '0', STR_PAD_LEFT); |
| $block3 = str_pad(substr($block3_12bit, -4), 4, '0', STR_PAD_LEFT); |
| 672,7 → 1085,34 |
|---|
| $block5 = str_pad(substr($block5_48bit,-12), 12, '0', STR_PAD_LEFT); |
| |
| $block3[0] = '8'; // Version 8 = Custom |
| $block4[0] = dechex((hexdec($block4[0])&3) + 0b1000); // Variant 0b10__ = RFC4122 |
| $block4[0] = dechex(hexdec($block4[0]) & 0b0011 | 0b1000); // Variant 0b10__ = RFC4122 |
| |
| return strtolower($block1.'-'.$block2.'-'.$block3.'-'.$block4.'-'.$block5); |
| } |
| |
| # -------------------------------------- |
| |
| // http://php.net/manual/de/function.hex2bin.php#113057 |
| if (!function_exists('hex2bin')) { |
| function hex2bin($str) { |
| $sbin = ""; |
| $len = strlen($str); |
| for ( $i = 0; $i < $len; $i += 2 ) { |
| $sbin .= pack("H*", substr($str, $i, 2)); |
| } |
| return $sbin; |
| } |
| } |
| |
| // https://stackoverflow.com/questions/72127764/shift-right-left-bitwise-operators-in-php7-gmp-extension |
| if (!function_exists('gmp_shiftl')) { |
| function gmp_shiftl($x,$n) { // shift left |
| return(gmp_mul($x,gmp_pow(2,$n))); |
| } |
| } |
| |
| if (!function_exists('gmp_shiftr')) { |
| function gmp_shiftr($x,$n) { // shift right |
| return(gmp_div_q($x,gmp_pow(2,$n))); |
| } |
| } |