[ViewVC] Diff of: cvs/pbcdedit/pbcdedit

Comparing pbcdedit/pbcdedit (file contents):
Revision 1.25 by root, Wed Aug 14 23:38:53 2019 UTC vs.
Revision 1.39 by root, Thu Aug 15 23:49:22 2019 UTC

…		…
17	#	17	#
18	# You should have received a copy of the GNU General Public License	18	# You should have received a copy of the GNU General Public License
19	# along with this program. If not, see <https://www.gnu.org/licenses/>.	19	# along with this program. If not, see <https://www.gnu.org/licenses/>.
20	#	20	#
21		21
22	use 5.014; # numerous features needed	22	use 5.016; # numerous features need 5.14, __SUB__ needs 5.16
23		23
24	our $VERSION = '1.0';	24	our $VERSION = '1.2';
25	our $JSON_VERSION = 1; # the versiobn of the json objects generated by this program	25	our $JSON_VERSION = 2; # the version of the json objects generated by this program
		26
		27	our $CHANGELOG = <<EOF;
		28	1.2 Fri Aug 16 00:20:41 CEST 2019
		29	- bcde element names now depend on the bcd object type they are in,
		30	also affects "elements" output.
		31	- json schema bumped to 2.
		32	- new version command.
		33	- numerous minor bugfixes.
		34
		35	EOF
26		36
27	=head1 NAME	37	=head1 NAME
28		38
29	pbcdedit - portable boot configuration data (BCD) store editor	39	pbcdedit - portable boot configuration data (BCD) store editor
30		40
31	=head1 SYNOPSIS	41	=head1 SYNOPSIS
32		42
33	pbcdedit help # output manual page	43	pbcdedit help # output manual page
		44	pbcdedit version # output version and changelog
		45
34	pbcdedit export path/to/BCD # output BCD hive as JSON	46	pbcdedit export path/to/BCD # output BCD hive as JSON
35	pbcdedit import path/to/bcd # convert standard input to BCD hive	47	pbcdedit import path/to/BCD # convert standard input to BCD hive
36	pbcdedit edit path/to/BCD edit-instructions...	48	pbcdedit edit path/to/BCD edit-instructions...
37		49
38	pbcdedit objects # list all supported object aliases and types	50	pbcdedit objects # list all supported object aliases and types
39	pbcdedit elements # list all supported bcd element aliases	51	pbcdedit elements # list all supported bcd element aliases
40		52
…		…
58		70
59	=item Does not rely on Windows	71	=item Does not rely on Windows
60		72
61	As the "portable" in the name implies, this program does not rely on	73	As the "portable" in the name implies, this program does not rely on
62	C<bcdedit> or other windows programs or libraries, it works on any system	74	C<bcdedit> or other windows programs or libraries, it works on any system
63	that supports at least perl version 5.14.	75	that supports at least perl version 5.16.
64		76
65	=item Decodes and encodes BCD device elements	77	=item Decodes and encodes BCD device elements
66		78
67	PBCDEDIT can concisely decode and encode BCD device element contents. This	79	PBCDEDIT can concisely decode and encode BCD device element contents. This
68	is pretty unique, and offers a lot of potential that can't be realised	80	is pretty unique, and offers a lot of potential that can't be realised
…		…
76		88
77	=back	89	=back
78		90
79	The target audience for this program is professionals and tinkerers who	91	The target audience for this program is professionals and tinkerers who
80	are ready to invest time into learning how it works. It is not an easy	92	are ready to invest time into learning how it works. It is not an easy
81	program to use and requires patience and a good understanding of BCD data	93	program to use and requires patience and a good understanding of BCD
82	stores.	94	stores.
83		95
84		96
85	=head1 SUBCOMMANDS	97	=head1 SUBCOMMANDS
86		98
…		…
91		103
92	=item C<help>	104	=item C<help>
93		105
94	Displays the whole manual page (this document).	106	Displays the whole manual page (this document).
95		107
		108	=item C<version>
		109
		110	This outputs the PBCDEDIT version, the JSON schema version it uses and the
		111	full log of changes.
		112
96	=item C<export> F<path>	113	=item C<export> F<path>
97		114
98	Reads a BCD data store and writes a JSON representation of it to standard	115	Reads a BCD data store and writes a JSON representation of it to standard
99	output.	116	output.
100		117
…		…
112		129
113	=item C<edit> F<path> I<instructions...>	130	=item C<edit> F<path> I<instructions...>
114		131
115	Load a BCD data store, apply some instructions to it, and save it again.	132	Load a BCD data store, apply some instructions to it, and save it again.
116		133
117	See the section L<EDITING BCD DATA STORES>, below, for more info.	134	See the section L<EDITING BCD STORES>, below, for more info.
118		135
119	=item C<parse> F<path> I<instructions...>	136	=item C<parse> F<path> I<instructions...>
120		137
121	Same as C<edit>, above, except it doesn't save the data store again. Can	138	Same as C<edit>, above, except it doesn't save the data store again. Can
122	be useful to extract some data from it.	139	be useful to extract some data from it.
…		…
146		163
147	With C<--json> it prints similar information as a JSON object, for easier parsing.	164	With C<--json> it prints similar information as a JSON object, for easier parsing.
148		165
149	=item C<export-regf> F<path>	166	=item C<export-regf> F<path>
150		167
151	This has nothing to do with BCD data stores - it takes a registry hive	168	This has nothing to do with BCD stores, but simply exposes PCBEDIT's
		169	internal registry hive reader - it takes a registry hive file as argument
152	file as argument and outputs a JSON representation of it to standard	170	and outputs a JSON representation of it to standard output.
153	output.
154		171
155	Hive versions 1.2 till 1.6 are supported.	172	Hive versions 1.2 till 1.6 are supported.
156		173
157	=item C<import-regf> F<path>	174	=item C<import-regf> F<path>
158		175
…		…
170	a BCD hive you will most likely destroy it.	187	a BCD hive you will most likely destroy it.
171		188
172	=back	189	=back
173		190
174		191
175	=head1 BCD DATA STORE REPRESENTATION FORMAT	192	=head1 BCD STORE REPRESENTATION FORMAT
176		193
177	A BCD data store is represented as a JSON object with one special key,	194	A BCD data store is represented as a JSON object with one special key,
178	C<meta>, and one key per BCD object. That is, each BCD object becomes	195	C<meta>, and one key per BCD object. That is, each BCD object becomes
179	one key-value pair in the object, and an additional key called C<meta>	196	one key-value pair in the object, and an additional key called C<meta>
180	contains meta information.	197	contains meta information.
…		…
216	}	233	}
217		234
218	=head2 Minimal BCD to boot windows	235	=head2 Minimal BCD to boot windows
219		236
220	Experimentally I found the following BCD is the minimum required to	237	Experimentally I found the following BCD is the minimum required to
221	successfully boot any post-XP version of Windows (suitable C<device> and	238	successfully boot any post-XP version of Windows (assuming suitable
222	C<osdevice> values, of course):	239	C<device> and C<osdevice> values, of course, and assuming a BIOS boot -
		240	for UEFI, you should use F<winload.efi> instead of F<winload.exe>):
223		241
224	{	242	{
225	"{bootmgr}" : {	243	"{bootmgr}" : {
226	"resumeobject" : "{45b547a7-8ca6-4417-9eb0-a257b61f35b4}"	244	"default" : "{45b547a7-8ca6-4417-9eb0-a257b61f35b4}"
227	},	245	},
228		246
229	"{45b547a7-8ca6-4417-9eb0-a257b61f35b1}" : {	247	"{45b547a7-8ca6-4417-9eb0-a257b61f35b1}" : {
230	"type" : "application::osloader",	248	"type" : "application::osloader",
231	"description" : "Windows Boot",	249	"description" : "Windows Boot",
…		…
358		376
359	This represents a single GUID value wrapped in curly braces. It is used a	377	This represents a single GUID value wrapped in curly braces. It is used a
360	lot to refer from one BCD object to other one.	378	lot to refer from one BCD object to other one.
361		379
362	For example, The C<{bootmgr}> object might refer to a resume boot option	380	For example, The C<{bootmgr}> object might refer to a resume boot option
363	using C<resumeobject>:	381	using C<default>:
364		382
365	"resumeobject" : "{7ae02178-821d-11e7-8813-1c872c5f5ab0}",	383	"default" : "{7ae02178-821d-11e7-8813-1c872c5f5ab0}",
366		384
367	Human readable aliases are used and allowed.	385	Human readable aliases are used and allowed.
368		386
369	=item guid list	387	=item guid list
370		388
…		…
709	seems to be always there on this kind of entry.	727	seems to be always there on this kind of entry.
710		728
711	If you have some good examples to add here, feel free to mail me.	729	If you have some good examples to add here, feel free to mail me.
712		730
713		731
714	=head1 EDITING BCD DATA STORES	732	=head1 EDITING BCD STORES
715		733
716	The C<edit> and C<parse> subcommands allow you to read a BCD data store	734	The C<edit> and C<parse> subcommands allow you to read a BCD data store
717	and modify it or extract data from it. This is done by executing a series	735	and modify it or extract data from it. This is done by executing a series
718	of "editing instructions" which are explained here.	736	of "editing instructions" which are explained here.
719		737
…		…
735	Similar to C<get>, but sets the element to the given I<value> instead.	753	Similar to C<get>, but sets the element to the given I<value> instead.
736		754
737	Example: change the bootmgr default too	755	Example: change the bootmgr default too
738	C<{b097d2ad-bc00-11e9-8a9a-525400123456}>:	756	C<{b097d2ad-bc00-11e9-8a9a-525400123456}>:
739		757
740	pbcdedit edit BCD set "{bootmgr}" resumeobject "{b097d2ad-bc00-11e9-8a9a-525400123456}"	758	pbcdedit edit BCD set "{bootmgr}" default "{b097d2ad-bc00-11e9-8a9a-525400123456}"
741		759
742	=item C<eval> I<perlcode>	760	=item C<eval> I<perlcode>
743		761
744	This takes the next argument, interprets it as Perl code and	762	This takes the next argument, interprets it as Perl code and
745	evaluates it. This allows you to do more complicated modifications or	763	evaluates it. This allows you to do more complicated modifications or
…		…
768		786
769	pbcdedit edit BCD eval 'say $BCD->{$DEFAULT}{description}'	787	pbcdedit edit BCD eval 'say $BCD->{$DEFAULT}{description}'
770		788
771	The example given for C<set> could be expressed like this:	789	The example given for C<set> could be expressed like this:
772		790
773	pbcdedit edit BCD eval '$BCD->{$DEFAULT}{resumeobject} = "{b097d2ad-bc00-11e9-8a9a-525400123456}"'	791	pbcdedit edit BCD eval '$BCD->{"{bootmgr}"{default} = "{b097d2ad-bc00-11e9-8a9a-525400123456}"'
774		792
775	=item C<do> I<path>	793	=item C<do> I<path>
776		794
777	Similar to C<eval>, above, but instead of using the argument as perl code,	795	Similar to C<eval>, above, but instead of using the argument as perl code,
778	it loads the perl code from the given file and executes it. This makes it	796	it loads the perl code from the given file and executes it. This makes it
…		…
823	free to change and redistribute it. There is NO WARRANTY, to the extent	841	free to change and redistribute it. There is NO WARRANTY, to the extent
824	permitted by law.	842	permitted by law.
825		843
826	=cut	844	=cut
827		845
828	BEGIN { require "common/sense.pm"; common::sense->import } # common sense is optional, but recommended	846	# common sense is optional, but recommended
		847	BEGIN { eval { require "common/sense.pm"; } && common::sense->import }
829		848
830	use Data::Dump;	849	no warnings 'portable'; # avoid 32 bit integer warnings
		850
831	use Encode ();	851	use Encode ();
832	use List::Util ();	852	use List::Util ();
833	use IO::Handle ();	853	use IO::Handle ();
834	use Time::HiRes ();	854	use Time::HiRes ();
835		855
…		…
858	or die "$path: short read\n";	878	or die "$path: short read\n";
859		879
860	$buf	880	$buf
861	}	881	}
862		882
863	# sources and resources used for this:	883	# sources and resources used for writing pbcdedit
		884	#
864	# registry:	885	# registry:
865	# https://github.com/msuhanov/regf/blob/master/Windows%20registry%20file%20format%20specification.md	886	# https://github.com/msuhanov/regf/blob/master/Windows%20registry%20file%20format%20specification.md
866	# http://amnesia.gtisc.gatech.edu/~moyix/suzibandit.ltd.uk/MSc/	887	# http://amnesia.gtisc.gatech.edu/~moyix/suzibandit.ltd.uk/MSc/
867	# bcd:	888	# bcd:
868	# http://www.geoffchappell.com/notes/windows/boot/bcd/index.htm	889	# http://www.geoffchappell.com/notes/windows/boot/bcd/index.htm
…		…
1356	sub BCDE_FORMAT_GUID_LIST () { 0x04000000 }	1377	sub BCDE_FORMAT_GUID_LIST () { 0x04000000 }
1357	sub BCDE_FORMAT_INTEGER () { 0x05000000 }	1378	sub BCDE_FORMAT_INTEGER () { 0x05000000 }
1358	sub BCDE_FORMAT_BOOLEAN () { 0x06000000 }	1379	sub BCDE_FORMAT_BOOLEAN () { 0x06000000 }
1359	sub BCDE_FORMAT_INTEGER_LIST () { 0x07000000 }	1380	sub BCDE_FORMAT_INTEGER_LIST () { 0x07000000 }
1360		1381
1361	sub dec_device;
1362	sub enc_device;
1363
1364	sub enc_integer($) {	1382	sub enc_integer($) {
1365	no warnings 'portable'; # ugh
1366	my $value = shift;	1383	my $value = shift;
1367	$value = oct $value if $value =~ /^0[bBxX]/;	1384	$value = oct $value if $value =~ /^0[bBxX]/;
1368	unpack "H*", pack "Q<", $value	1385	unpack "H*", pack "Q<", $value
1369	}	1386	}
		1387
		1388	sub enc_device($$);
		1389	sub dec_device($$);
1370		1390
1371	our %bcde_dec = (	1391	our %bcde_dec = (
1372	BCDE_FORMAT_DEVICE , \&dec_device,	1392	BCDE_FORMAT_DEVICE , \&dec_device,
1373	# # for round-trip verification	1393	# # for round-trip verification
1374	# BCDE_FORMAT_DEVICE , sub {	1394	# BCDE_FORMAT_DEVICE , sub {
…		…
1384	BCDE_FORMAT_BOOLEAN , sub { shift eq "00" ? 0 : 1 },	1404	BCDE_FORMAT_BOOLEAN , sub { shift eq "00" ? 0 : 1 },
1385	BCDE_FORMAT_INTEGER_LIST, sub { join " ", unpack "Q", pack "H", shift }, # not sure if this cna be 4 bytes	1405	BCDE_FORMAT_INTEGER_LIST, sub { join " ", unpack "Q", pack "H", shift }, # not sure if this cna be 4 bytes
1386	);	1406	);
1387		1407
1388	our %bcde_enc = (	1408	our %bcde_enc = (
1389	BCDE_FORMAT_DEVICE , sub { binary => enc_device shift },	1409	BCDE_FORMAT_DEVICE , sub { binary => enc_device $_[0], $_[1] },
1390	BCDE_FORMAT_STRING , sub { sz => shift },	1410	BCDE_FORMAT_STRING , sub { sz => shift },
1391	BCDE_FORMAT_GUID , sub { sz => "{" . (dec_guid enc_wguid shift) . "}" },	1411	BCDE_FORMAT_GUID , sub { sz => "{" . (dec_guid enc_wguid shift) . "}" },
1392	BCDE_FORMAT_GUID_LIST , sub { multi_sz => [map "{" . (dec_guid enc_wguid $_) . "}", split /\s+/, shift ] },	1412	BCDE_FORMAT_GUID_LIST , sub { multi_sz => [map "{" . (dec_guid enc_wguid $_) . "}", split /\s+/, shift ] },
1393	BCDE_FORMAT_INTEGER , sub { binary => enc_integer shift },	1413	BCDE_FORMAT_INTEGER , sub { binary => enc_integer shift },
1394	BCDE_FORMAT_BOOLEAN , sub { binary => shift ? "01" : "00" },	1414	BCDE_FORMAT_BOOLEAN , sub { binary => shift ? "01" : "00" },
1395	BCDE_FORMAT_INTEGER_LIST, sub { binary => join "", map enc_integer $_, split /\s+/, shift },	1415	BCDE_FORMAT_INTEGER_LIST, sub { binary => join "", map enc_integer $_, split /\s+/, shift },
1396	);	1416	);
1397		1417
1398	# BCD Elements	1418	# BCD Elements
1399	our %bcde = (	1419	our %bcde_byclass = (
		1420	any => {
1400	0x11000001 => 'device',	1421	0x11000001 => 'device',
1401	0x12000002 => 'path',	1422	0x12000002 => 'path',
1402	0x12000004 => 'description',	1423	0x12000004 => 'description',
1403	0x12000005 => 'locale',	1424	0x12000005 => 'locale',
1404	0x14000006 => 'inherit',	1425	0x14000006 => 'inherit',
1405	0x15000007 => 'truncatememory',	1426	0x15000007 => 'truncatememory',
1406	0x14000008 => 'recoverysequence',	1427	0x14000008 => 'recoverysequence',
1407	0x16000009 => 'recoveryenabled',	1428	0x16000009 => 'recoveryenabled',
1408	0x1700000a => 'badmemorylist',	1429	0x1700000a => 'badmemorylist',
1409	0x1600000b => 'badmemoryaccess',	1430	0x1600000b => 'badmemoryaccess',
1410	0x1500000c => 'firstmegabytepolicy',	1431	0x1500000c => 'firstmegabytepolicy',
1411	0x1500000d => 'relocatephysical',	1432	0x1500000d => 'relocatephysical',
1412	0x1500000e => 'avoidlowmemory',	1433	0x1500000e => 'avoidlowmemory',
1413	0x1600000f => 'traditionalkseg',	1434	0x1600000f => 'traditionalkseg',
1414	0x16000010 => 'bootdebug',	1435	0x16000010 => 'bootdebug',
1415	0x15000011 => 'debugtype',	1436	0x15000011 => 'debugtype',
1416	0x15000012 => 'debugaddress',	1437	0x15000012 => 'debugaddress',
1417	0x15000013 => 'debugport',	1438	0x15000013 => 'debugport',
1418	0x15000014 => 'baudrate',	1439	0x15000014 => 'baudrate',
1419	0x15000015 => 'channel',	1440	0x15000015 => 'channel',
1420	0x12000016 => 'targetname',	1441	0x12000016 => 'targetname',
1421	0x16000017 => 'noumex',	1442	0x16000017 => 'noumex',
1422	0x15000018 => 'debugstart',	1443	0x15000018 => 'debugstart',
1423	0x12000019 => 'busparams',	1444	0x12000019 => 'busparams',
1424	0x1500001a => 'hostip',	1445	0x1500001a => 'hostip',
1425	0x1500001b => 'port',	1446	0x1500001b => 'port',
1426	0x1600001c => 'dhcp',	1447	0x1600001c => 'dhcp',
1427	0x1200001d => 'key',	1448	0x1200001d => 'key',
1428	0x1600001e => 'vm',	1449	0x1600001e => 'vm',
1429	0x16000020 => 'bootems',	1450	0x16000020 => 'bootems',
1430	0x15000022 => 'emsport',	1451	0x15000022 => 'emsport',
1431	0x15000023 => 'emsbaudrate',	1452	0x15000023 => 'emsbaudrate',
1432	0x12000030 => 'loadoptions',	1453	0x12000030 => 'loadoptions',
1433	0x16000040 => 'advancedoptions',	1454	0x16000040 => 'advancedoptions',
1434	0x16000041 => 'optionsedit',	1455	0x16000041 => 'optionsedit',
1435	0x15000042 => 'keyringaddress',	1456	0x15000042 => 'keyringaddress',
1436	0x11000043 => 'bootstatdevice',	1457	0x11000043 => 'bootstatdevice',
1437	0x12000044 => 'bootstatfilepath',	1458	0x12000044 => 'bootstatfilepath',
1438	0x16000045 => 'preservebootstat',	1459	0x16000045 => 'preservebootstat',
1439	0x16000046 => 'graphicsmodedisabled',	1460	0x16000046 => 'graphicsmodedisabled',
1440	0x15000047 => 'configaccesspolicy',	1461	0x15000047 => 'configaccesspolicy',
1441	0x16000048 => 'nointegritychecks',	1462	0x16000048 => 'nointegritychecks',
1442	0x16000049 => 'testsigning',	1463	0x16000049 => 'testsigning',
1443	0x1200004a => 'fontpath',	1464	0x1200004a => 'fontpath',
1444	0x1500004b => 'integrityservices',	1465	0x1500004b => 'integrityservices',
1445	0x1500004c => 'volumebandid',	1466	0x1500004c => 'volumebandid',
1446	0x16000050 => 'extendedinput',	1467	0x16000050 => 'extendedinput',
1447	0x15000051 => 'initialconsoleinput',	1468	0x15000051 => 'initialconsoleinput',
1448	0x15000052 => 'graphicsresolution',	1469	0x15000052 => 'graphicsresolution',
1449	0x16000053 => 'restartonfailure',	1470	0x16000053 => 'restartonfailure',
1450	0x16000054 => 'highestmode',	1471	0x16000054 => 'highestmode',
1451	0x16000060 => 'isolatedcontext',	1472	0x16000060 => 'isolatedcontext',
1452	0x15000065 => 'displaymessage',	1473	0x15000065 => 'displaymessage',
1453	0x15000066 => 'displaymessageoverride',	1474	0x15000066 => 'displaymessageoverride',
1454	0x16000068 => 'nobootuxtext',	1475	0x16000068 => 'nobootuxtext',
1455	0x16000069 => 'nobootuxprogress',	1476	0x16000069 => 'nobootuxprogress',
1456	0x1600006a => 'nobootuxfade',	1477	0x1600006a => 'nobootuxfade',
1457	0x1600006b => 'bootuxreservepooldebug',	1478	0x1600006b => 'bootuxreservepooldebug',
1458	0x1600006c => 'bootuxdisabled',	1479	0x1600006c => 'bootuxdisabled',
1459	0x1500006d => 'bootuxfadeframes',	1480	0x1500006d => 'bootuxfadeframes',
1460	0x1600006e => 'bootuxdumpstats',	1481	0x1600006e => 'bootuxdumpstats',
1461	0x1600006f => 'bootuxshowstats',	1482	0x1600006f => 'bootuxshowstats',
1462	0x16000071 => 'multibootsystem',	1483	0x16000071 => 'multibootsystem',
1463	0x16000072 => 'nokeyboard',	1484	0x16000072 => 'nokeyboard',
1464	0x15000073 => 'aliaswindowskey',	1485	0x15000073 => 'aliaswindowskey',
1465	0x16000074 => 'bootshutdowndisabled',	1486	0x16000074 => 'bootshutdowndisabled',
1466	0x15000075 => 'performancefrequency',	1487	0x15000075 => 'performancefrequency',
1467	0x15000076 => 'securebootrawpolicy',	1488	0x15000076 => 'securebootrawpolicy',
1468	0x17000077 => 'allowedinmemorysettings',	1489	0x17000077 => 'allowedinmemorysettings',
1469	0x15000079 => 'bootuxtransitiontime',	1490	0x15000079 => 'bootuxtransitiontime',
1470	0x1600007a => 'mobilegraphics',	1491	0x1600007a => 'mobilegraphics',
1471	0x1600007b => 'forcefipscrypto',	1492	0x1600007b => 'forcefipscrypto',
1472	0x1500007d => 'booterrorux',	1493	0x1500007d => 'booterrorux',
1473	0x1600007e => 'flightsigning',	1494	0x1600007e => 'flightsigning',
1474	0x1500007f => 'measuredbootlogformat',	1495	0x1500007f => 'measuredbootlogformat',
1475	0x15000080 => 'displayrotation',	1496	0x15000080 => 'displayrotation',
1476	0x15000081 => 'logcontrol',	1497	0x15000081 => 'logcontrol',
1477	0x16000082 => 'nofirmwaresync',	1498	0x16000082 => 'nofirmwaresync',
1478	0x11000084 => 'windowssyspart',	1499	0x11000084 => 'windowssyspart',
1479	0x16000087 => 'numlock',	1500	0x16000087 => 'numlock',
1480	0x22000001 => 'bpbstring',	1501	0x26000202 => 'skipffumode',
		1502	0x26000203 => 'forceffumode',
		1503	0x25000510 => 'chargethreshold',
		1504	0x26000512 => 'offmodecharging',
		1505	0x25000aaa => 'bootflow',
		1506	0x45000001 => 'devicetype',
		1507	0x42000002 => 'applicationrelativepath',
		1508	0x42000003 => 'ramdiskdevicerelativepath',
		1509	0x46000004 => 'omitosloaderelements',
		1510	0x47000006 => 'elementstomigrate',
		1511	0x46000010 => 'recoveryos',
		1512	},
		1513	bootapp => {
		1514	0x26000145 => 'enablebootdebugpolicy',
		1515	0x26000146 => 'enablebootorderclean',
		1516	0x26000147 => 'enabledeviceid',
		1517	0x26000148 => 'enableffuloader',
		1518	0x26000149 => 'enableiuloader',
		1519	0x2600014a => 'enablemassstorage',
		1520	0x2600014b => 'enablerpmbprovisioning',
		1521	0x2600014c => 'enablesecurebootpolicy',
		1522	0x2600014d => 'enablestartcharge',
		1523	0x2600014e => 'enableresettpm',
		1524	},
		1525	bootmgr => {
1481	0x24000001 => 'displayorder',	1526	0x24000001 => 'displayorder',
1482	0x21000001 => 'filedevice',
1483	0x21000001 => 'osdevice',
1484	0x25000001 => 'passcount',
1485	0x26000001 => 'pxesoftreboot',
1486	0x22000002 => 'applicationname',
1487	0x24000002 => 'bootsequence',	1527	0x24000002 => 'bootsequence',
1488	0x22000002 => 'filepath',
1489	0x22000002 => 'systemroot',
1490	0x25000002 => 'testmix',
1491	0x26000003 => 'cacheenable',
1492	0x26000003 => 'customsettings',
1493	0x23000003 => 'default',	1528	0x23000003 => 'default',
1494	0x25000003 => 'failurecount',
1495	0x23000003 => 'resumeobject',
1496	0x26000004 => 'failuresenabled',
1497	0x26000004 => 'pae',
1498	0x26000004 => 'stampdisks',
1499	0x25000004 => 'testtofail',
1500	0x25000004 => 'timeout',	1529	0x25000004 => 'timeout',
1501	0x21000005 => 'associatedosdevice',
1502	0x26000005 => 'cacheenable',
1503	0x26000005 => 'resume',	1530	0x26000005 => 'resume',
1504	0x25000005 => 'stridefailcount',
1505	0x26000006 => 'debugoptionenabled',
1506	0x25000006 => 'invcfailcount',
1507	0x23000006 => 'resumeobject',	1531	0x23000006 => 'resumeobject',
1508	0x25000007 => 'bootux',
1509	0x25000007 => 'matsfailcount',
1510	0x24000007 => 'startupsequence',	1532	0x24000007 => 'startupsequence',
1511	0x25000008 => 'bootmenupolicy',
1512	0x25000008 => 'randfailcount',
1513	0x25000009 => 'chckrfailcount',
1514	0x26000010 => 'detecthal',
1515	0x24000010 => 'toolsdisplayorder',	1533	0x24000010 => 'toolsdisplayorder',
1516	0x22000011 => 'kernel',
1517	0x22000012 => 'hal',
1518	0x22000013 => 'dbgtransport',
1519	0x26000020 => 'displaybootmenu',	1534	0x26000020 => 'displaybootmenu',
1520	0x25000020 => 'nx',
1521	0x26000021 => 'noerrordisplay',	1535	0x26000021 => 'noerrordisplay',
1522	0x25000021 => 'pae',
1523	0x21000022 => 'bcddevice',	1536	0x21000022 => 'bcddevice',
1524	0x26000022 => 'winpe',
1525	0x22000023 => 'bcdfilepath',	1537	0x22000023 => 'bcdfilepath',
1526	0x26000024 => 'hormenabled',	1538	0x26000024 => 'hormenabled',
1527	0x26000024 => 'hormenabled',
1528	0x26000024 => 'nocrashautoreboot',
1529	0x26000025 => 'hiberboot',	1539	0x26000025 => 'hiberboot',
1530	0x26000025 => 'lastknowngood',
1531	0x26000026 => 'oslnointegritychecks',
1532	0x22000026 => 'passwordoverride',	1540	0x22000026 => 'passwordoverride',
1533	0x26000027 => 'osltestsigning',
1534	0x22000027 => 'pinpassphraseoverride',	1541	0x22000027 => 'pinpassphraseoverride',
1535	0x26000028 => 'processcustomactionsfirst',	1542	0x26000028 => 'processcustomactionsfirst',
1536	0x27000030 => 'customactions',	1543	0x27000030 => 'customactions',
1537	0x26000030 => 'nolowmem',
1538	0x26000031 => 'persistbootsequence',	1544	0x26000031 => 'persistbootsequence',
1539	0x25000031 => 'removememory',
1540	0x25000032 => 'increaseuserva',
1541	0x26000032 => 'skipstartupsequence',	1545	0x26000032 => 'skipstartupsequence',
1542	0x25000033 => 'perfmem',
1543	0x22000040 => 'fverecoveryurl',	1546	0x22000040 => 'fverecoveryurl',
1544	0x26000040 => 'vga',
1545	0x22000041 => 'fverecoverymessage',	1547	0x22000041 => 'fverecoverymessage',
		1548	},
		1549	device => {
		1550	0x35000001 => 'ramdiskimageoffset',
		1551	0x35000002 => 'ramdisktftpclientport',
		1552	0x31000003 => 'ramdisksdidevice',
		1553	0x32000004 => 'ramdisksdipath',
		1554	0x35000005 => 'ramdiskimagelength',
		1555	0x36000006 => 'exportascd',
		1556	0x35000007 => 'ramdisktftpblocksize',
		1557	0x35000008 => 'ramdisktftpwindowsize',
		1558	0x36000009 => 'ramdiskmcenabled',
		1559	0x3600000a => 'ramdiskmctftpfallback',
		1560	0x3600000b => 'ramdisktftpvarwindow',
		1561	},
		1562	memdiag => {
		1563	0x25000001 => 'passcount',
		1564	0x25000002 => 'testmix',
		1565	0x25000003 => 'failurecount',
		1566	0x26000003 => 'cacheenable',
		1567	0x25000004 => 'testtofail',
		1568	0x26000004 => 'failuresenabled',
		1569	0x25000005 => 'stridefailcount',
		1570	0x26000005 => 'cacheenable',
		1571	0x25000006 => 'invcfailcount',
		1572	0x25000007 => 'matsfailcount',
		1573	0x25000008 => 'randfailcount',
		1574	0x25000009 => 'chckrfailcount',
		1575	},
		1576	ntldr => {
		1577	0x22000001 => 'bpbstring',
		1578	},
		1579	osloader => {
		1580	0x21000001 => 'osdevice',
		1581	0x22000002 => 'systemroot',
		1582	0x23000003 => 'resumeobject',
		1583	0x26000004 => 'stampdisks',
		1584	0x26000010 => 'detecthal',
		1585	0x22000011 => 'kernel',
		1586	0x22000012 => 'hal',
		1587	0x22000013 => 'dbgtransport',
		1588	0x25000020 => 'nx',
		1589	0x25000021 => 'pae',
		1590	0x26000022 => 'winpe',
		1591	0x26000024 => 'nocrashautoreboot',
		1592	0x26000025 => 'lastknowngood',
		1593	0x26000026 => 'oslnointegritychecks',
		1594	0x26000027 => 'osltestsigning',
		1595	0x26000030 => 'nolowmem',
		1596	0x25000031 => 'removememory',
		1597	0x25000032 => 'increaseuserva',
		1598	0x25000033 => 'perfmem',
		1599	0x26000040 => 'vga',
1546	0x26000041 => 'quietboot',	1600	0x26000041 => 'quietboot',
1547	0x26000042 => 'novesa',	1601	0x26000042 => 'novesa',
1548	0x26000043 => 'novga',	1602	0x26000043 => 'novga',
1549	0x25000050 => 'clustermodeaddressing',	1603	0x25000050 => 'clustermodeaddressing',
1550	0x26000051 => 'usephysicaldestination',	1604	0x26000051 => 'usephysicaldestination',
1551	0x25000052 => 'restrictapiccluster',	1605	0x25000052 => 'restrictapiccluster',
1552	0x22000053 => 'evstore',	1606	0x22000053 => 'evstore',
1553	0x26000054 => 'uselegacyapicmode',	1607	0x26000054 => 'uselegacyapicmode',
1554	0x26000060 => 'onecpu',	1608	0x26000060 => 'onecpu',
1555	0x25000061 => 'numproc',	1609	0x25000061 => 'numproc',
1556	0x26000062 => 'maxproc',	1610	0x26000062 => 'maxproc',
1557	0x25000063 => 'configflags',	1611	0x25000063 => 'configflags',
1558	0x26000064 => 'maxgroup',	1612	0x26000064 => 'maxgroup',
1559	0x26000065 => 'groupaware',	1613	0x26000065 => 'groupaware',
1560	0x25000066 => 'groupsize',	1614	0x25000066 => 'groupsize',
1561	0x26000070 => 'usefirmwarepcisettings',	1615	0x26000070 => 'usefirmwarepcisettings',
1562	0x25000071 => 'msi',	1616	0x25000071 => 'msi',
1563	0x25000072 => 'pciexpress',	1617	0x25000072 => 'pciexpress',
1564	0x25000080 => 'safeboot',	1618	0x25000080 => 'safeboot',
1565	0x26000081 => 'safebootalternateshell',	1619	0x26000081 => 'safebootalternateshell',
1566	0x26000090 => 'bootlog',	1620	0x26000090 => 'bootlog',
1567	0x26000091 => 'sos',	1621	0x26000091 => 'sos',
1568	0x260000a0 => 'debug',	1622	0x260000a0 => 'debug',
1569	0x260000a1 => 'halbreakpoint',	1623	0x260000a1 => 'halbreakpoint',
1570	0x260000a2 => 'useplatformclock',	1624	0x260000a2 => 'useplatformclock',
1571	0x260000a3 => 'forcelegacyplatform',	1625	0x260000a3 => 'forcelegacyplatform',
1572	0x260000a4 => 'useplatformtick',	1626	0x260000a4 => 'useplatformtick',
1573	0x260000a5 => 'disabledynamictick',	1627	0x260000a5 => 'disabledynamictick',
1574	0x250000a6 => 'tscsyncpolicy',	1628	0x250000a6 => 'tscsyncpolicy',
1575	0x260000b0 => 'ems',	1629	0x260000b0 => 'ems',
1576	0x250000c0 => 'forcefailure',	1630	0x250000c0 => 'forcefailure',
1577	0x250000c1 => 'driverloadfailurepolicy',	1631	0x250000c1 => 'driverloadfailurepolicy',
1578	0x250000c2 => 'bootmenupolicy',	1632	0x250000c2 => 'bootmenupolicy',
1579	0x260000c3 => 'onetimeadvancedoptions',	1633	0x260000c3 => 'onetimeadvancedoptions',
1580	0x260000c4 => 'onetimeoptionsedit',	1634	0x260000c4 => 'onetimeoptionsedit',
1581	0x250000e0 => 'bootstatuspolicy',	1635	0x250000e0 => 'bootstatuspolicy',
1582	0x260000e1 => 'disableelamdrivers',	1636	0x260000e1 => 'disableelamdrivers',
1583	0x250000f0 => 'hypervisorlaunchtype',	1637	0x250000f0 => 'hypervisorlaunchtype',
1584	0x220000f1 => 'hypervisorpath',	1638	0x220000f1 => 'hypervisorpath',
1585	0x260000f2 => 'hypervisordebug',	1639	0x260000f2 => 'hypervisordebug',
1586	0x250000f3 => 'hypervisordebugtype',	1640	0x250000f3 => 'hypervisordebugtype',
1587	0x250000f4 => 'hypervisordebugport',	1641	0x250000f4 => 'hypervisordebugport',
1588	0x250000f5 => 'hypervisorbaudrate',	1642	0x250000f5 => 'hypervisorbaudrate',
1589	0x250000f6 => 'hypervisorchannel',	1643	0x250000f6 => 'hypervisorchannel',
1590	0x250000f7 => 'bootux',	1644	0x250000f7 => 'bootux',
1591	0x260000f8 => 'hypervisordisableslat',	1645	0x260000f8 => 'hypervisordisableslat',
1592	0x220000f9 => 'hypervisorbusparams',	1646	0x220000f9 => 'hypervisorbusparams',
1593	0x250000fa => 'hypervisornumproc',	1647	0x250000fa => 'hypervisornumproc',
1594	0x250000fb => 'hypervisorrootprocpernode',	1648	0x250000fb => 'hypervisorrootprocpernode',
1595	0x260000fc => 'hypervisoruselargevtlb',	1649	0x260000fc => 'hypervisoruselargevtlb',
1596	0x250000fd => 'hypervisorhostip',	1650	0x250000fd => 'hypervisorhostip',
1597	0x250000fe => 'hypervisorhostport',	1651	0x250000fe => 'hypervisorhostport',
1598	0x250000ff => 'hypervisordebugpages',	1652	0x250000ff => 'hypervisordebugpages',
1599	0x25000100 => 'tpmbootentropy',	1653	0x25000100 => 'tpmbootentropy',
1600	0x22000110 => 'hypervisorusekey',	1654	0x22000110 => 'hypervisorusekey',
1601	0x22000112 => 'hypervisorproductskutype',	1655	0x22000112 => 'hypervisorproductskutype',
1602	0x25000113 => 'hypervisorrootproc',	1656	0x25000113 => 'hypervisorrootproc',
1603	0x26000114 => 'hypervisordhcp',	1657	0x26000114 => 'hypervisordhcp',
1604	0x25000115 => 'hypervisoriommupolicy',	1658	0x25000115 => 'hypervisoriommupolicy',
1605	0x26000116 => 'hypervisorusevapic',	1659	0x26000116 => 'hypervisorusevapic',
1606	0x22000117 => 'hypervisorloadoptions',	1660	0x22000117 => 'hypervisorloadoptions',
1607	0x25000118 => 'hypervisormsrfilterpolicy',	1661	0x25000118 => 'hypervisormsrfilterpolicy',
1608	0x25000119 => 'hypervisormmionxpolicy',	1662	0x25000119 => 'hypervisormmionxpolicy',
1609	0x2500011a => 'hypervisorschedulertype',	1663	0x2500011a => 'hypervisorschedulertype',
1610	0x25000120 => 'xsavepolicy',	1664	0x25000120 => 'xsavepolicy',
1611	0x25000121 => 'xsaveaddfeature0',	1665	0x25000121 => 'xsaveaddfeature0',
1612	0x25000122 => 'xsaveaddfeature1',	1666	0x25000122 => 'xsaveaddfeature1',
1613	0x25000123 => 'xsaveaddfeature2',	1667	0x25000123 => 'xsaveaddfeature2',
1614	0x25000124 => 'xsaveaddfeature3',	1668	0x25000124 => 'xsaveaddfeature3',
1615	0x25000125 => 'xsaveaddfeature4',	1669	0x25000125 => 'xsaveaddfeature4',
1616	0x25000126 => 'xsaveaddfeature5',	1670	0x25000126 => 'xsaveaddfeature5',
1617	0x25000127 => 'xsaveaddfeature6',	1671	0x25000127 => 'xsaveaddfeature6',
1618	0x25000128 => 'xsaveaddfeature7',	1672	0x25000128 => 'xsaveaddfeature7',
1619	0x25000129 => 'xsaveremovefeature',	1673	0x25000129 => 'xsaveremovefeature',
1620	0x2500012a => 'xsaveprocessorsmask',	1674	0x2500012a => 'xsaveprocessorsmask',
1621	0x2500012b => 'xsavedisable',	1675	0x2500012b => 'xsavedisable',
1622	0x2500012c => 'kerneldebugtype',	1676	0x2500012c => 'kerneldebugtype',
1623	0x2200012d => 'kernelbusparams',	1677	0x2200012d => 'kernelbusparams',
1624	0x2500012e => 'kerneldebugaddress',	1678	0x2500012e => 'kerneldebugaddress',
1625	0x2500012f => 'kerneldebugport',	1679	0x2500012f => 'kerneldebugport',
1626	0x25000130 => 'claimedtpmcounter',	1680	0x25000130 => 'claimedtpmcounter',
1627	0x25000131 => 'kernelchannel',	1681	0x25000131 => 'kernelchannel',
1628	0x22000132 => 'kerneltargetname',	1682	0x22000132 => 'kerneltargetname',
1629	0x25000133 => 'kernelhostip',	1683	0x25000133 => 'kernelhostip',
1630	0x25000134 => 'kernelport',	1684	0x25000134 => 'kernelport',
1631	0x26000135 => 'kerneldhcp',	1685	0x26000135 => 'kerneldhcp',
1632	0x22000136 => 'kernelkey',	1686	0x22000136 => 'kernelkey',
1633	0x22000137 => 'imchivename',	1687	0x22000137 => 'imchivename',
1634	0x21000138 => 'imcdevice',	1688	0x21000138 => 'imcdevice',
1635	0x25000139 => 'kernelbaudrate',	1689	0x25000139 => 'kernelbaudrate',
1636	0x22000140 => 'mfgmode',	1690	0x22000140 => 'mfgmode',
1637	0x26000141 => 'event',	1691	0x26000141 => 'event',
1638	0x25000142 => 'vsmlaunchtype',	1692	0x25000142 => 'vsmlaunchtype',
1639	0x25000144 => 'hypervisorenforcedcodeintegrity',	1693	0x25000144 => 'hypervisorenforcedcodeintegrity',
1640	0x26000145 => 'enablebootdebugpolicy',
1641	0x26000146 => 'enablebootorderclean',
1642	0x26000147 => 'enabledeviceid',
1643	0x26000148 => 'enableffuloader',
1644	0x26000149 => 'enableiuloader',
1645	0x2600014a => 'enablemassstorage',
1646	0x2600014b => 'enablerpmbprovisioning',
1647	0x2600014c => 'enablesecurebootpolicy',
1648	0x2600014d => 'enablestartcharge',
1649	0x2600014e => 'enableresettpm',
1650	0x21000150 => 'systemdatadevice',	1694	0x21000150 => 'systemdatadevice',
1651	0x21000151 => 'osarcdevice',	1695	0x21000151 => 'osarcdevice',
1652	0x21000153 => 'osdatadevice',	1696	0x21000153 => 'osdatadevice',
1653	0x21000154 => 'bspdevice',	1697	0x21000154 => 'bspdevice',
1654	0x21000155 => 'bspfilepath',	1698	0x21000155 => 'bspfilepath',
1655	0x26000202 => 'skipffumode',	1699	},
1656	0x26000203 => 'forceffumode',	1700	resume => {
1657	0x25000510 => 'chargethreshold',	1701	0x21000001 => 'filedevice',
1658	0x26000512 => 'offmodecharging',	1702	0x22000002 => 'filepath',
1659	0x25000aaa => 'bootflow',	1703	0x26000003 => 'customsettings',
1660	0x35000001 => 'ramdiskimageoffset',	1704	0x26000004 => 'pae',
1661	0x35000002 => 'ramdisktftpclientport',	1705	0x21000005 => 'associatedosdevice',
1662	0x31000003 => 'ramdisksdidevice',	1706	0x26000006 => 'debugoptionenabled',
1663	0x32000004 => 'ramdisksdipath',	1707	0x25000007 => 'bootux',
1664	0x35000005 => 'ramdiskimagelength',	1708	0x25000008 => 'bootmenupolicy',
1665	0x36000006 => 'exportascd',	1709	0x26000024 => 'hormenabled',
1666	0x35000007 => 'ramdisktftpblocksize',	1710	},
1667	0x35000008 => 'ramdisktftpwindowsize',	1711	startup => {
1668	0x36000009 => 'ramdiskmcenabled',	1712	0x26000001 => 'pxesoftreboot',
1669	0x3600000a => 'ramdiskmctftpfallback',	1713	0x22000002 => 'applicationname',
1670	0x3600000b => 'ramdisktftpvarwindow',	1714	},
1671	0x45000001 => 'devicetype',
1672	0x42000002 => 'applicationrelativepath',
1673	0x42000003 => 'ramdiskdevicerelativepath',
1674	0x46000004 => 'omitosloaderelements',
1675	0x47000006 => 'elementstomigrate',
1676	0x46000010 => 'recoveryos',
1677	);	1715	);
1678		1716
1679	our %rbcde = reverse %bcde;	1717	# mask, value => class
		1718	our @bcde_typeclass = (
		1719	[0x00000000, 0x00000000, 'any'],
		1720	[0xf00fffff, 0x1000000a, 'bootapp'],
		1721	[0xf0ffffff, 0x2020000a, 'bootapp'],
		1722	[0xf00fffff, 0x10000001, 'bootmgr'],
		1723	[0xf00fffff, 0x10000002, 'bootmgr'],
		1724	[0xf0ffffff, 0x20200001, 'bootmgr'],
		1725	[0xf0ffffff, 0x20200002, 'bootmgr'],
		1726	[0xf0f00000, 0x20300000, 'device'],
		1727	[0xf0000000, 0x30000000, 'device'],
		1728	[0xf00fffff, 0x10000005, 'memdiag'],
		1729	[0xf0ffffff, 0x20200005, 'memdiag'],
		1730	[0xf00fffff, 0x10000006, 'ntldr'],
		1731	[0xf00fffff, 0x10000007, 'ntldr'],
		1732	[0xf0ffffff, 0x20200006, 'ntldr'],
		1733	[0xf0ffffff, 0x20200007, 'ntldr'],
		1734	[0xf00fffff, 0x10000003, 'osloader'],
		1735	[0xf0ffffff, 0x20200003, 'osloader'],
		1736	[0xf00fffff, 0x10000004, 'resume'],
		1737	[0xf0ffffff, 0x20200004, 'resume'],
		1738	[0xf00fffff, 0x10000009, 'startup'],
		1739	[0xf0ffffff, 0x20200009, 'startup'],
		1740	);
1680		1741
		1742	our %rbcde_byclass;
		1743
		1744	while (my ($k, $v) = each %bcde_byclass) {
		1745	$rbcde_byclass{$k} = { reverse %$v };
		1746	}
		1747
		1748	# decodes (numerical elem, type) to name
1681	sub dec_bcde_id($) {	1749	sub dec_bcde_id($$) {
		1750	for my $class (@bcde_typeclass) {
		1751	if (($_[1] & $class->[0]) == $class->[1]) {
		1752	if (my $id = $bcde_byclass{$class->[2]}{$_[0]}) {
		1753	return $id;
		1754	}
		1755	}
		1756	}
		1757
1682	$bcde{$_[0]} // sprintf "custom:%08x", $_[0]	1758	sprintf "custom:%08x", $_[0]
1683	}	1759	}
1684		1760
		1761	# encodes (elem as name, type)
1685	sub enc_bcde_id($) {	1762	sub enc_bcde_id($$) {
1686	$_[0] =~ /^custom:([0-9a-fA-F]{8}$)/	1763	$_[0] =~ /^custom:(?:0x)?([0-9a-fA-F]{8}$)/
1687	? hex $1	1764	and return hex $1;
1688	: $rbcde{$_[0]}	1765
		1766	for my $class (@bcde_typeclass) {
		1767	if (($_[1] & $class->[0]) == $class->[1]) {
		1768	if (my $value = $rbcde_byclass{$class->[2]}{$_[0]}) {
		1769	return $value;
		1770	}
		1771	}
		1772	}
		1773
		1774	undef
1689	}	1775	}
1690		1776
1691	# decode/encode bcd device element - the horror, no documentaion	1777	# decode/encode bcd device element - the horror, no documentaion
1692	# whatsoever, supercomplex, superinconsistent.	1778	# whatsoever, supercomplex, superinconsistent.
1693		1779
…		…
1697		1783
1698	our $NULL_DEVICE = "\x00" x 16;	1784	our $NULL_DEVICE = "\x00" x 16;
1699		1785
1700	# biggest bitch to decode, ever	1786	# biggest bitch to decode, ever
1701	# this decoded a device portion after the GUID	1787	# this decoded a device portion after the GUID
1702	sub dec_device_($);	1788	sub dec_device_($$);
1703	sub dec_device_($) {	1789	sub dec_device_($$) {
1704	my ($device) = @_;	1790	my ($device, $type) = @_;
1705		1791
1706	my $res;	1792	my $res;
1707		1793
1708	my ($type, $flags, $length, $pad) = unpack "VVVV", substr $device, 0, 4 * 4, "";	1794	my ($type, $flags, $length, $pad) = unpack "VVVV", substr $device, 0, 4 * 4, "";
1709		1795
…		…
1754		1840
1755	my $partid = $parttype eq "gpt" ? dec_guid $partdata	1841	my $partid = $parttype eq "gpt" ? dec_guid $partdata
1756	: $type eq "partition" ? unpack "Q<", $partdata # byte offset to partition start	1842	: $type eq "partition" ? unpack "Q<", $partdata # byte offset to partition start
1757	: unpack "L<", $partdata; # partition number, one-based	1843	: unpack "L<", $partdata; # partition number, one-based
1758		1844
1759	(my $parent, $device) = dec_device_ $device;	1845	(my $parent, $device) = dec_device_ $device, $type;
1760		1846
1761	$res .= "=";	1847	$res .= "=";
1762	$res .= "<$parent>";	1848	$res .= "<$parent>";
1763	$res .= ",$blocktype,$parttype,$diskid,$partid";	1849	$res .= ",$blocktype,$parttype,$diskid,$partid";
1764		1850
…		…
1784	or die "unsupported file descriptor version '$fver'\n";	1870	or die "unsupported file descriptor version '$fver'\n";
1785		1871
1786	$ftype == 5	1872	$ftype == 5
1787	or die "unsupported file descriptor path type '$type'\n";	1873	or die "unsupported file descriptor path type '$type'\n";
1788		1874
1789	(my $parent, $path) = dec_device_ $path;	1875	(my $parent, $path) = dec_device_ $path, $type;
1790		1876
1791	$path = $dec_path->($path, "file device without path");	1877	$path = $dec_path->($path, "file device without path");
1792		1878
1793	($parent, $path)	1879	($parent, $path)
1794	};	1880	};
…		…
1800		1886
1801	} elsif ($blocktype eq "vhd") {	1887	} elsif ($blocktype eq "vhd") {
1802	$device =~ s/^\x00{20}//s	1888	$device =~ s/^\x00{20}//s
1803	or die "virtualdisk has non-zero fields I don't understand\n";	1889	or die "virtualdisk has non-zero fields I don't understand\n";
1804		1890
1805	(my $parent, $device) = dec_device_ $device;	1891	(my $parent, $device) = dec_device_ $device, $type;
1806		1892
1807	$res .= "=vhd,<$parent>";	1893	$res .= "=vhd,<$parent>";
1808		1894
1809	} elsif ($blocktype eq "ramdisk") {	1895	} elsif ($blocktype eq "ramdisk") {
1810	my ($base, $size, $offset) = unpack "Q< Q< L<", substr $device, 0, 8 + 8 + 4, "";	1896	my ($base, $size, $offset) = unpack "Q< Q< L<", substr $device, 0, 8 + 8 + 4, "";
…		…
1823	my ($mode, $elem, $parent) = unpack "VVV", substr $device, 0, 4 * 3, "";	1909	my ($mode, $elem, $parent) = unpack "VVV", substr $device, 0, 4 * 3, "";
1824		1910
1825	if ($parent) {	1911	if ($parent) {
1826	# not sure why this is an offset - it must come after the path	1912	# not sure why this is an offset - it must come after the path
1827	$parent = substr $device, $parent - 4 * 3 - 4 * 4, 1e9, "";	1913	$parent = substr $device, $parent - 4 * 3 - 4 * 4, 1e9, "";
1828	($parent, my $tail) = dec_device_ $parent;	1914	($parent, my $tail) = dec_device_ $parent, $type;
1829	0 == length $tail	1915	0 == length $tail
1830	or die "trailing data after locate device parent\n";	1916	or die "trailing data after locate device parent\n";
1831	} else {	1917	} else {
1832	$parent = "null";	1918	$parent = "null";
1833	}	1919	}
…		…
1839		1925
1840	if ($mode == 0) { # "Element"	1926	if ($mode == 0) { # "Element"
1841	!length $path	1927	!length $path
1842	or die "device locate mode 0 having non-empty path ($mode, $elem, $path)\n";	1928	or die "device locate mode 0 having non-empty path ($mode, $elem, $path)\n";
1843		1929
1844	$elem = dec_bcde_id $elem;	1930	$elem = dec_bcde_id $elem, $type;
1845	$res .= "element,$elem";	1931	$res .= "element,$elem";
1846		1932
1847	} elsif ($mode == 1) { # "String"	1933	} elsif ($mode == 1) { # "String"
1848	!$elem	1934	!$elem
1849	or die "device locate mode 1 having non-zero element\n";	1935	or die "device locate mode 1 having non-zero element\n";
…		…
1874		1960
1875	($res, $tail)	1961	($res, $tail)
1876	}	1962	}
1877		1963
1878	# decode a full binary BCD device descriptor	1964	# decode a full binary BCD device descriptor
1879	sub dec_device($) {	1965	sub dec_device($$) {
1880	my ($device) = @_;	1966	my ($device, $type) = @_;
1881		1967
1882	$device = pack "H*", $device;	1968	$device = pack "H*", $device;
1883		1969
1884	my $guid = dec_guid substr $device, 0, 16, "";	1970	my $guid = dec_guid substr $device, 0, 16, "";
1885	$guid = $guid eq "00000000-0000-0000-0000-000000000000"	1971	$guid = $guid eq "00000000-0000-0000-0000-000000000000"
1886	? "" : "{$guid}";	1972	? "" : "{$guid}";
1887		1973
1888	eval {	1974	eval {
1889	my ($dev, $tail) = dec_device_ $device;	1975	my ($dev, $tail) = dec_device_ $device, $type;
1890		1976
1891	$tail eq ""	1977	$tail eq ""
1892	or die "unsupported trailing data after device descriptor\n";	1978	or die "unsupported trailing data after device descriptor\n";
1893		1979
1894	"$guid$dev"	1980	"$guid$dev"
…		…
1906		1992
1907	undef	1993	undef
1908	}	1994	}
1909		1995
1910	# encode the device portion after the GUID	1996	# encode the device portion after the GUID
1911	sub enc_device_;	1997	sub enc_device_($$);
1912	sub enc_device_ {	1998	sub enc_device_($$) {
1913	my ($device) = @_;	1999	my ($device, $type) = @_;
1914		2000
1915	my $enc_path = sub {	2001	my $enc_path = sub {
1916	my $path = shift;	2002	my $path = shift;
1917	$path =~ s/\//\\/g;	2003	$path =~ s/\//\\/g;
1918	(Encode::encode "UTF-16LE", $path) . "\x00\x00"	2004	(Encode::encode "UTF-16LE", $path) . "\x00\x00"
…		…
1936		2022
1937	my $parse_parent = sub {	2023	my $parse_parent = sub {
1938	my $parent;	2024	my $parent;
1939		2025
1940	if (s/^<//) {	2026	if (s/^<//) {
1941	($parent, $_) = enc_device_ $_;	2027	($parent, $_) = enc_device_ $_, $type;
1942	s/^>//	2028	s/^>//
1943	or die "$device: syntax error: parent device not followed by '>'\n";	2029	or die "$device: syntax error: parent device not followed by '>'\n";
1944	} else {	2030	} else {
1945	$parent = $NULL_DEVICE;	2031	$parent = $NULL_DEVICE;
1946	}	2032	}
…		…
2034		2120
2035	s/^,//	2121	s/^,//
2036	or die "$_: missing comma after locate parent device\n";	2122	or die "$_: missing comma after locate parent device\n";
2037		2123
2038	if (s/^element,//) {	2124	if (s/^element,//) {
2039	s/^([0-9a-z]+)//i	2125	s/^([0-9a-z:]+)//i
2040	or die "$_ locate element must be either name or 8-digit hex id\n";	2126	or die "$_ locate element must be either name or 8-digit hex id\n";
2041	$elem = enc_bcde_id $1;	2127	$elem = enc_bcde_id $1, $type;
2042	$mode = 0;	2128	$mode = 0;
2043	$path = $enc_path->("");	2129	$path = $enc_path->("");
2044		2130
2045	} elsif (s/^path,//) {	2131	} elsif (s/^path,//) {
2046	$mode = 1;	2132	$mode = 1;
…		…
2125	);	2211	);
2126	}	2212	}
2127	}	2213	}
2128		2214
2129	# encode a full binary BCD device descriptor	2215	# encode a full binary BCD device descriptor
2130	sub enc_device {	2216	sub enc_device($$) {
2131	my ($device) = @_;	2217	my ($device, $type) = @_;
2132		2218
2133	my $guid = "\x00" x 16;	2219	my $guid = "\x00" x 16;
2134		2220
2135	if ($device =~ s/^\{([A-Za-z0-9\-]+)\}//) {	2221	if ($device =~ s/^\{([A-Za-z0-9\-]+)\}//) {
2136	$guid = enc_guid $1	2222	$guid = enc_guid $1
2137	or die "$device: does not start with valid guid\n";	2223	or die "$device: does not start with valid guid\n";
2138	}	2224	}
2139		2225
2140	my ($descriptor, $tail) = enc_device_ $device;	2226	my ($descriptor, $tail) = enc_device_ $device, $type;
2141		2227
2142	length $tail	2228	length $tail
2143	and die "$device: garbage after device descriptor\n";	2229	and die "$device: garbage after device descriptor\n";
2144		2230
2145	unpack "H*", $guid . $descriptor	2231	unpack "H*", $guid . $descriptor
…		…
2160	$k = $bcd_objects{$k} // $k;	2246	$k = $bcd_objects{$k} // $k;
2161		2247
2162	my $type = $v->{Description}[0]{Type}[1];	2248	my $type = $v->{Description}[0]{Type}[1];
2163		2249
2164	if ($type != $bcd_object_types{$k}) {	2250	if ($type != $bcd_object_types{$k}) {
2165	$type = $bcd_types{$type} // sprintf "0x%08x", $type;	2251	$kv{type} = $bcd_types{$type} // sprintf "0x%08x", $type;
2166	$kv{type} = $type;
2167	}	2252	}
2168		2253
2169	my $elems = $v->{Elements}[1];	2254	my $elems = $v->{Elements}[1];
2170		2255
2171	while (my ($k, $v) = each %$elems) {	2256	while (my ($k, $v) = each %$elems) {
2172	my $k = hex $k;	2257	my $k = hex $k;
2173		2258
2174	my $v = $bcde_dec{$k & BCDE_FORMAT}->($v->[0]{Element}[1]);	2259	my $v = $bcde_dec{$k & BCDE_FORMAT}->($v->[0]{Element}[1], $type);
2175	my $k = dec_bcde_id $k;	2260	my $k = dec_bcde_id $k, $type;
2176		2261
2177	$kv{$k} = $v;	2262	$kv{$k} = $v;
2178	}	2263	}
2179		2264
2180	$bcd{$k} = \%kv;	2265	$bcd{$k} = \%kv;
…		…
2221	my %elem;	2306	my %elem;
2222		2307
2223	while (my ($k, $v) = each %$v) {	2308	while (my ($k, $v) = each %$v) {
2224	next if $k eq "type";	2309	next if $k eq "type";
2225		2310
2226	$k = (enc_bcde_id $k) // die "$k: invalid bcde element name or id\n";	2311	$k = (enc_bcde_id $k, $type) // die "$k: invalid bcde element name or id\n";
2227	$elem{sprintf "%08x", $k} = [{	2312	$elem{sprintf "%08x", $k} = [{
2228	Element => [ ($bcde_enc{$k & BCDE_FORMAT} // die "$k: unable to encode unknown bcd element type}")->($v)]	2313	Element => [ ($bcde_enc{$k & BCDE_FORMAT} // die "$k: unable to encode unknown bcd element type}")->($v)]
2229	}];	2314	}];
2230	}	2315	}
2231		2316
…		…
2247	Objects => [undef, \%objects],	2332	Objects => [undef, \%objects],
2248	}]]	2333	}]]
2249	}	2334	}
2250		2335
2251	#############################################################################	2336	#############################################################################
		2337	# edit instructions
2252		2338
2253	sub bcd_edit_eval {	2339	sub bcd_edit_eval {
2254	package pbcdedit;	2340	package pbcdedit;
2255		2341
2256	our ($PATH, $BCD, $DEFAULT);	2342	our ($PATH, $BCD, $DEFAULT);
…		…
2260	}	2346	}
2261		2347
2262	sub bcd_edit {	2348	sub bcd_edit {
2263	my ($path, $bcd, @insns) = @_;	2349	my ($path, $bcd, @insns) = @_;
2264		2350
2265	my $default = $bcd->{"{bootmgr}"}{resumeobject};	2351	my $default = $bcd->{"{bootmgr}"}{default};
2266		2352
2267	# prepare "officially visible" variables	2353	# prepare "officially visible" variables
2268	local $pbcdedit::PATH = $path;	2354	local $pbcdedit::PATH = $path;
2269	local $pbcdedit::BCD = $bcd;	2355	local $pbcdedit::BCD = $bcd;
2270	local $pbcdedit::DEFAULT = $default;	2356	local $pbcdedit::DEFAULT = $default;
…		…
2288	$object = $object eq "{default}" ? $default : dec_wguid enc_wguid $object;	2374	$object = $object eq "{default}" ? $default : dec_wguid enc_wguid $object;
2289		2375
2290	$bcd->{$object}{$elem} = $value;	2376	$bcd->{$object}{$elem} = $value;
2291		2377
2292	} elsif ($insn eq "eval") {	2378	} elsif ($insn eq "eval") {
2293	bcd_edit_eval shift @insns;	2379	my $perl = shift @insns;
		2380	bcd_edit_eval "#line 1 'eval'\n$perl";
2294		2381
2295	} elsif ($insn eq "do") {	2382	} elsif ($insn eq "do") {
2296	my $path = shift @insns;	2383	my $path = shift @insns;
2297	my $file = file_load $path;	2384	my $file = file_load $path;
2298	bcd_edit_eval "#line 1 '$path'\n$file";	2385	bcd_edit_eval "#line 1 '$path'\n$file";
…		…
2303	}	2390	}
2304		2391
2305	}	2392	}
2306		2393
2307	#############################################################################	2394	#############################################################################
		2395	# command line parser
2308		2396
2309	# json to stdout	2397	# json to stdout
2310	sub prjson($) {	2398	sub prjson($) {
2311	print $json_coder->encode ($_[0]);	2399	print $json_coder->encode ($_[0]);
2312	}	2400	}
…		…
2351		2439
2352	print "\n";	2440	print "\n";
2353		2441
2354	printf "%-39s %-23s %s\n", "Object GUID", "Alias", "(Hex) Default Type";	2442	printf "%-39s %-23s %s\n", "Object GUID", "Alias", "(Hex) Default Type";
2355	for my $name (sort keys %rbcd_objects) {	2443	for my $name (sort keys %rbcd_objects) {
2356	my $guid = $rbcd_objects{$name};	2444	my $guid = $rbcd_objects{$name};
2357	my $type = $bcd_object_types{$name};	2445	my $type = $bcd_object_types{$name};
2358	my $tname = $bcd_types{$type};	2446	my $tname = $bcd_types{$type};
2359		2447
2360	$type = $type ? sprintf "(%08x) %s", $type, $tname : "-";	2448	$type = $type ? sprintf "(%08x) %s", $type, $tname : "-";
2361		2449
2362	printf "%-39s %-23s %s\n", $guid, $name, $type;	2450	printf "%-39s %-23s %s\n", $guid, $name, $type;
…		…
2376	BCDE_FORMAT_GUID_LIST , "guid list",	2464	BCDE_FORMAT_GUID_LIST , "guid list",
2377	BCDE_FORMAT_INTEGER , "integer",	2465	BCDE_FORMAT_INTEGER , "integer",
2378	BCDE_FORMAT_BOOLEAN , "boolean",	2466	BCDE_FORMAT_BOOLEAN , "boolean",
2379	BCDE_FORMAT_INTEGER_LIST, "integer list",	2467	BCDE_FORMAT_INTEGER_LIST, "integer list",
2380	);	2468	);
2381	my %rbcde = reverse %bcde;
2382	$_ = sprintf "%08x", $_ for values %rbcde;
2383		2469
2384	my %element;	2470	my %element;
2385		2471
		2472	for my $class (sort keys %rbcde_byclass) {
		2473	my $rbcde = $rbcde_byclass{$class};
		2474
2386	unless ($json) {	2475	unless ($json) {
2387	print "\n";	2476	print "\n";
		2477	printf "Elements applicable to class(es): $class\n";
2388	printf "%-9s %-12s %s\n", "Element", "Format", "Name Alias";	2478	printf "%-9s %-12s %s\n", "Element", "Format", "Name Alias";
2389	}	2479	}
2390	for my $name (sort keys %rbcde) {	2480	for my $name (sort keys %$rbcde) {
2391	my $id = $rbcde{$name};	2481	my $id = $rbcde->{$name};
2392	my $format = $format_name{(hex $id) & BCDE_FORMAT};	2482	my $format = $format_name{$id & BCDE_FORMAT};
		2483	$id = sprintf "%08x", $id;
2393		2484
2394	if ($json) {	2485	if ($json) {
2395	$element{$id} = [$format, $name];	2486	$element{$id} = [$class, $format, $name];
2396	} else {	2487	} else {
2397	printf "%-9s %-12s %s\n", $id, $format, $name;	2488	printf "%-9s %-12s %s\n", $id, $format, $name;
		2489	}
2398	}	2490	}
2399	}	2491	}
2400	print "\n" unless $json;	2492	print "\n" unless $json;
2401		2493
2402	prjson {	2494	prjson {
2403	version => $JSON_VERSION,	2495	version => $JSON_VERSION,
2404	element => \%element,	2496	element => \%element,
		2497	class => \@bcde_typeclass,
2405	} if $json;	2498	} if $json;
2406		2499
2407	},	2500	},
2408		2501
2409	export => sub {	2502	export => sub {
…		…
2461	}	2554	}
2462	}	2555	}
2463	}	2556	}
2464	}	2557	}
2465	},	2558	},
		2559
		2560	version => sub {
		2561	print "\n",
		2562	"PBCDEDIT version $VERSION, copyright 2019 Marc A. Lehmann <pbcdedit\@schmorp.de>.\n",
		2563	"JSON schema version: $JSON_VERSION\n",
		2564	"Licensed under the GNU General Public License Version 3.0, or any later version.\n",
		2565	"\n",
		2566	$CHANGELOG,
		2567	"\n";
		2568	},
2466	);	2569	);
2467		2570
2468	my $cmd = shift;	2571	my $cmd = shift;
2469		2572
2470	unless (exists $CMD{$cmd}) {	2573	unless (exists $CMD{$cmd}) {

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Comparing pbcdedit/pbcdedit (file contents): Revision 1.25 by root, Wed Aug 14 23:38:53 2019 UTC vs. Revision 1.39 by root, Thu Aug 15 23:49:22 2019 UTC

Diff Legend

Comparing pbcdedit/pbcdedit (file contents):
Revision 1.25 by root, Wed Aug 14 23:38:53 2019 UTC vs.
Revision 1.39 by root, Thu Aug 15 23:49:22 2019 UTC