[ViewVC] Diff of: cvs/pbcdedit/pbcdedit

Comparing pbcdedit/pbcdedit (file contents):
Revision 1.39 by root, Thu Aug 15 23:49:22 2019 UTC vs.
Revision 1.76 by root, Tue Aug 9 11:44:54 2022 UTC

…		…
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 5.016; # numerous features need 5.14, __SUB__ needs 5.16	22	use 5.016; # numerous features need 5.14, __SUB__ needs 5.16
23		23
24	our $VERSION = '1.2';	24	our $VERSION = '1.5';
25	our $JSON_VERSION = 2; # the version of the json objects generated by this program	25	our $JSON_VERSION = 3; # the version of the json objects generated by this program
26		26
27	our $CHANGELOG = <<EOF;	27	our $CHANGELOG = <<EOF;
		28
		29	1.5 Mon Nov 25 15:54:34 CET 2019
		30	- add "del" edit instruction.
		31	- work around lsblk bug sometimes giving "dos" pttype for gpt partitions.
		32	- bootmenupolicy in synopsis must be set to 0 to get the text menu.
		33	- minor doc fxes.
		34	- disable use of perldoc for help, doesn't work well.
		35
		36	1.4 Thu Aug 22 10:48:22 CEST 2019
		37	- new "create" subcommand.
		38	- "create" and "edit" try to save and restore ownership/permissions
		39	of bcd hives when writing the new file.
		40	- editorial fixes to the documentation.
		41	- add mininmal hive creation example.
		42
		43	1.3 Sat Aug 17 07:04:15 CEST 2019
		44	- output of pbcdedit elements --json has changed, as it didn't
		45	take the reorganisation by classes fully into account.
		46	- json schema bumped to 3.
		47	- new "bcd-device" and "bcd-legacy-device" subcommands.
		48	- implement --json option for lsblk.
		49
28	1.2 Fri Aug 16 00:20:41 CEST 2019	50	1.2 Fri Aug 16 00:20:41 CEST 2019
29	- bcde element names now depend on the bcd object type they are in,	51	- bcd element names now depend on the bcd object type they are in,
30	also affects "elements" output.	52	also affects "elements" output.
31	- json schema bumped to 2.	53	- json schema bumped to 2.
32	- new version command.	54	- new version command.
33	- numerous minor bugfixes.	55	- numerous minor bugfixes.
34		56
…		…
48	pbcdedit edit path/to/BCD edit-instructions...	70	pbcdedit edit path/to/BCD edit-instructions...
49		71
50	pbcdedit objects # list all supported object aliases and types	72	pbcdedit objects # list all supported object aliases and types
51	pbcdedit elements # list all supported bcd element aliases	73	pbcdedit elements # list all supported bcd element aliases
52		74
		75	# Example: enable text-based boot menu.
		76	pbcdedit edit /my/BCD set '{default}' bootmenupolicy 0
		77
		78	# Example change system device to first partition containing winload.
		79	pbcdedit edit /my/BCD \
		80	set '{default}' device 'locate=<null>,element,path' \
		81	set '{default}' osdevice 'locate=<null>,element,path'
		82
		83
53	=head1 DESCRIPTION	84	=head1 DESCRIPTION
54		85
55	This program allows you to create, read and modify Boot Configuration Data	86	This program allows you to create, read and modify Boot Configuration Data
56	(BCD) stores used by Windows Vista and newer versions of Windows.	87	(BCD) stores used by Windows Vista and newer versions of Windows.
57		88
…		…
136	=item C<parse> F<path> I<instructions...>	167	=item C<parse> F<path> I<instructions...>
137		168
138	Same as C<edit>, above, except it doesn't save the data store again. Can	169	Same as C<edit>, above, except it doesn't save the data store again. Can
139	be useful to extract some data from it.	170	be useful to extract some data from it.
140		171
141	=item C<lsblk>	172	=item C<create> F<path> I<instructions...>
		173
		174	Same as C<edit>, above, except it creates a new data store from scratch if
		175	needed. An existing store will be emptied completely.
		176
		177	=item C<lsblk> [C<--json>]
142		178
143	On a GNU/Linux system, you can get a list of partition device descriptors	179	On a GNU/Linux system, you can get a list of partition device descriptors
144	using this command - the external C<lsblk> command is required, as well as	180	using this command - the external C<lsblk> command is required, as well as
145	a mounted C</sys> file system.	181	a mounted C</sys> file system.
146		182
147	The output will be a list of all partitions in the system and C<partition>	183	The output will be a list of all partitions in the system and C<partition>
148	descriptors for GPT and both C<legacypartition> and C<partition>	184	descriptors for GPT and both C<legacypartition> and C<partition>
149	descriptors for MBR partitions.	185	descriptors for MBR partitions.
		186
		187	With C<--json> it will print similar information as C<lsblk --json>, but
		188	with extra C<bcd_device> and C<bcd_legacy_device> attributes.
		189
		190	=item C<bcd-device> F<path>
		191
		192	Tries to find the BCD device element for the given device, which currently
		193	must be a a partition of some kind. Prints the C<partition=> descriptor as
		194	a result, or nothing. Exit status will be true on success, and false on
		195	failure.
		196
		197	Like C<lsblk>, above, this likely only works on GNU/Linux systems.
		198
		199	Example: print the partition descriptor of tghe partition with label DATA.
		200
		201	$ pbcdedit bcd-device /dev/disk/by-label/DATA
		202	partition=<null>,harddisk,mbr,47cbc08a,213579202560
		203
		204	=item C<bcd-legacy-device> F<path>
		205
		206	Like above, but uses a C<legacypartition> descriptor instead.
150		207
151	=item C<objects> [C<--json>]	208	=item C<objects> [C<--json>]
152		209
153	Outputs two tables: a table listing all type aliases with their hex BCD	210	Outputs two tables: a table listing all type aliases with their hex BCD
154	element ID, and all object name aliases with their GUID and default type	211	element ID, and all object name aliases with their GUID and default type
…		…
256		313
257	Note that minimal doesn't mean recommended - Windows itself will add stuff	314	Note that minimal doesn't mean recommended - Windows itself will add stuff
258	to this during or after boot, and you might or might not run into issues	315	to this during or after boot, and you might or might not run into issues
259	when installing updates as it might not be able to find the F<bootmgr>.	316	when installing updates as it might not be able to find the F<bootmgr>.
260		317
		318	This is how you would create a minimal hive with PBCDEDIT from within
		319	GNU/Linux, assuming F</dev/sdc3> is the windows partition, using
		320	a random GUID for the osloader and using C<partition> instead of
		321	C<legacypartition>:
		322
		323	osldr="{$(uuidgen)}"
		324	part=$(pbcdedit bcd-device /dev/sdc3)
		325	pbcdedit create minimal.bcd \
		326	set '{bootmgr}' default "$osldr" \
		327	set "$osldr" type application::osloader \
		328	set "$osldr" description 'Windows Boot' \
		329	set "$osldr" device "$part" \
		330	set "$osldr" osdevice "$part" \
		331	set "$osldr" path '\Windows\system32\winload.exe' \
		332	set "$osldr" systemroot '\Windows'
		333
261	=head2 The C<meta> key	334	=head2 The C<meta> key
262		335
263	The C<meta> key is not stored in the BCD data store but is used only	336	The C<meta> key is not stored in the BCD data store but is used only
264	by PBCDEDIT. It is always generated when exporting, and importing will	337	by PBCDEDIT. It is always generated when exporting, and importing will
265	be refused when it exists and the version stored inside doesn't store	338	be refused when it exists and the version stored inside doesn't match
266	the JSON schema version of PBCDEDIT. This ensures that different and	339	the JSON schema version of PBCDEDIT. This ensures that different and
267	incompatible versions of PBCDEDIT will not read and misinterpret each	340	incompatible versions of PBCDEDIT will not read and misinterpret each
268	others data.	341	others data.
269		342
270	=head2 The object keys	343	=head2 The object keys
…		…
279		352
280	Some of these GUIDs are fixed well known GUIDs which PBCDEDIT will decode	353	Some of these GUIDs are fixed well known GUIDs which PBCDEDIT will decode
281	into human-readable strings such as C<{globalsettings}>, which is the same	354	into human-readable strings such as C<{globalsettings}>, which is the same
282	as C<{7ea2e1ac-2e61-4728-aaa3-896d9d0a9f0e}>.	355	as C<{7ea2e1ac-2e61-4728-aaa3-896d9d0a9f0e}>.
283		356
284	Each BCD, object has an associated type. For example,	357	Each BCD object has an associated type. For example,
285	C<application::osloader> for objects loading Windows via F<winload.exe>,	358	C<application::osloader> for objects loading Windows via F<winload.exe>,
286	C<application::bootsector> for real mode applications and so on.	359	C<application::bootsector> for real mode applications and so on.
287		360
288	The type of a object is stored in the pseudo BCD element C<type> (see next	361	The type of a object is stored in the pseudo BCD element C<type> (see next
289	section).	362	section).
…		…
352		425
353	"displaybootmenu" : 0,	426	"displaybootmenu" : 0,
354		427
355	=item integer	428	=item integer
356		429
357	Again, very simple, this is a 64 bit integer. IT can be either specified	430	Again, very simple, this is a 64 bit integer. It can be either specified
358	as a decimal number, as a hex number (by prefixing it with C<0x>) or as a	431	as a decimal number, as a hex number (by prefixing it with C<0x>) or as a
359	binary number (prefix C<0b>).	432	binary number (prefix C<0b>).
360		433
361	For example, the boot C<timeout> is an integer, specifying the automatic	434	For example, the boot C<timeout> is an integer, specifying the automatic
362	boot delay in seconds:	435	boot delay in seconds:
…		…
364	"timeout" : 30,	437	"timeout" : 30,
365		438
366	=item integer list	439	=item integer list
367		440
368	This is a list of 64 bit integers separated by whitespace. It is not used	441	This is a list of 64 bit integers separated by whitespace. It is not used
369	much, so here is a somewhat artificial an untested example of using	442	much, so here is a somewhat artificial and untested example of using
370	C<customactions> to specify a certain custom, eh, action to be executed	443	C<customactions> to specify a certain custom, eh, action to be executed
371	when pressing C<F10> at boot:	444	when pressing C<F10> at boot:
372		445
373	"customactions" : "0x1000044000001 0x54000001",	446	"customactions" : "0x1000044000001 0x54000001",
374		447
…		…
402	This type is why I write I<most> are easy to explain earlier: This type	475	This type is why I write I<most> are easy to explain earlier: This type
403	is the pinnacle of Microsoft-typical hacks layered on top of other	476	is the pinnacle of Microsoft-typical hacks layered on top of other
404	hacks. Understanding this type took more time than writing all the rest of	477	hacks. Understanding this type took more time than writing all the rest of
405	PBCDEDIT, and because it is so complex, this type has its own subsection	478	PBCDEDIT, and because it is so complex, this type has its own subsection
406	below.	479	below.
		480
407	=back	481	=back
408		482
409	=head4 The BCD "device" element type	483	=head3 The BCD "device" element type
410		484
411	Device elements specify, well, devices. They are used for such diverse	485	Device elements specify, well, devices. They are used for such diverse
412	purposes such as finding a TFTP network boot image, serial ports or VMBUS	486	purposes such as finding a TFTP network boot image, serial ports or VMBUS
413	devices, but most commonly they are used to specify the disk (harddisk,	487	devices, but most commonly they are used to specify the disk (harddisk,
414	cdrom, ramdisk, vhd...) to boot from.	488	cdrom, ramdisk, vhd...) to boot from.
…		…
422	element, so almost everything known about it had to be researched first	496	element, so almost everything known about it had to be researched first
423	in the process of writing this script, and consequently, support for BCD	497	in the process of writing this script, and consequently, support for BCD
424	device elements is partial only.	498	device elements is partial only.
425		499
426	On the other hand, the expressive power of PBCDEDIT in specifying devices	500	On the other hand, the expressive power of PBCDEDIT in specifying devices
427	is much bigger than BCDEDIT and therefore more can be done with it. The	501	is much greater than BCDEDIT and therefore more can be done with it. The
428	downside is that BCD device elements are much more complicated than what	502	downside is that BCD device elements are much more complicated than what
429	you might think from reading the BCDEDIT documentation.	503	you might think from reading the BCDEDIT documentation.
430		504
431	In other words, simple things are complicated, and complicated things are	505	In other words, simple things are complicated, and complicated things are
432	possible.	506	possible.
…		…
439	[{GUID}]type[<flags>][=arg,arg...]	513	[{GUID}]type[<flags>][=arg,arg...]
440		514
441	Here are some examples:	515	Here are some examples:
442		516
443	boot	517	boot
444	{b097d29f-bc00-11e9-8a9a-525400123456}block=file,<boot>,\\EFI"	518	{b097d29f-bc00-11e9-8a9a-525400123456}block=file,<boot>,\EFI
445	locate=<null>,element,systemroot	519	locate=<null>,element,systemroot
446	partition=<null>,harddisk,mbr,47cbc08a,1048576	520	partition=<null>,harddisk,mbr,47cbc08a,1048576
447	partition=<null>,harddisk,gpt,9742e468-9206-48a0-b4e4-c4e9745a356a,76d39e5f-ad1b-407e-9c05-c81eb83b57dd	521	partition=<null>,harddisk,gpt,9742e468-9206-48a0-b4e4-c4e9745a356a,76d39e5f-ad1b-407e-9c05-c81eb83b57dd
448	block<1>=ramdisk,<partition=<null>,harddisk,mbr,47cbc08a,68720525312>,0,0,0,\Recovery\b097d29e-bc00-11e9-8a9a-525400123456\Winre.wim	522	block<1>=ramdisk,<partition=<null>,harddisk,mbr,47cbc08a,68720525312>,0,0,0,\Recovery\b097d29e-bc00-11e9-8a9a-525400123456\Winre.wim
449	block=file,<partition=<null>,harddisk,gpt,9742e468-9206-48a0-b4e4-c4e9745a356a,ee3a393a-f0de-4057-9946-88584245ed48>,\	523	block=file,<partition=<null>,harddisk,gpt,9742e468-9206-48a0-b4e4-c4e9745a356a,ee3a393a-f0de-4057-9946-88584245ed48>,\
…		…
475	the leading GUID, which it can always decode). In such cases, it will	549	the leading GUID, which it can always decode). In such cases, it will
476	convert the device into this type with a hexdump of the element data.	550	convert the device into this type with a hexdump of the element data.
477		551
478	=item C<null>	552	=item C<null>
479		553
480	This is another special type - sometimes, a device all zero-filled, which	554	This is another special type - sometimes, a device is all zero-filled,
481	is not valid. This can mark the absence of a device or something PBCDEDIT	555	which is not valid. This can mark the absence of a device or something
482	does not understand, so it decodes it into this special "all zero" type	556	PBCDEDIT does not understand, so it decodes it into this special "all
483	called C<null>.	557	zero" type called C<null>.
484		558
485	It's most commonly found in devices that can use an optional parent	559	It's most commonly found in devices that can use an optional parent
486	device, when no parent device is used.	560	device, when no parent device is used.
487		561
488	=item C<boot>	562	=item C<boot>
…		…
599		673
600	Last not least, the most complex type, C<block>, which... specifies block	674	Last not least, the most complex type, C<block>, which... specifies block
601	devices (which could be inside a F<vhdx> file for example).	675	devices (which could be inside a F<vhdx> file for example).
602		676
603	I<devicetypes> is one of C<harddisk>, C<floppy>, C<cdrom>, C<ramdisk>,	677	I<devicetypes> is one of C<harddisk>, C<floppy>, C<cdrom>, C<ramdisk>,
604	C<file> or C<vhd> - the same as for C<partiion=>.	678	C<file> or C<vhd> - the same as for C<partition=>.
605		679
606	The remaining arguments change depending on the I<devicetype>:	680	The remaining arguments change depending on the I<devicetype>:
607		681
608	=over	682	=over
609		683
…		…
639		713
640	Probably not yet implemented. Tell me of your needs...	714	Probably not yet implemented. Tell me of your needs...
641		715
642	=back	716	=back
643		717
644	=back5 Examples	718	=back
		719
		720	=head4 Examples
645		721
646	This concludes the syntax overview for device elements, but probably	722	This concludes the syntax overview for device elements, but probably
647	leaves many questions open. I can't help with most of them, as I also ave	723	leaves many questions open. I can't help with most of them, as I also have
648	many questions, but I can walk you through some actual examples using more	724	many questions, but I can walk you through some actual examples using more
649	complex aspects.	725	complex aspects.
		726
		727	=over
650		728
651	=item C<< locate=<block=vhd,<block=file,<locate=<null>,path,\disk.vhdx>,\disk.vhdx>>,element,path >>	729	=item C<< locate=<block=vhd,<block=file,<locate=<null>,path,\disk.vhdx>,\disk.vhdx>>,element,path >>
652		730
653	Just like with C declarations, you best treat device descriptors as	731	Just like with C declarations, you best treat device descriptors as
654	instructions to find your device and work your way from the inside out:	732	instructions to find your device and work your way from the inside out:
…		…
726	I don't know what the purpose of the C<< <1> >> flag value is, but it	804	I don't know what the purpose of the C<< <1> >> flag value is, but it
727	seems to be always there on this kind of entry.	805	seems to be always there on this kind of entry.
728		806
729	If you have some good examples to add here, feel free to mail me.	807	If you have some good examples to add here, feel free to mail me.
730		808
		809	=back
		810
731		811
732	=head1 EDITING BCD STORES	812	=head1 EDITING BCD STORES
733		813
734	The C<edit> and C<parse> subcommands allow you to read a BCD data store	814	The C<edit> and C<parse> subcommands allow you to read a BCD data store
735	and modify it or extract data from it. This is done by executing a series	815	and modify it or extract data from it. This is done by executing a series
…		…
755	Example: change the bootmgr default too	835	Example: change the bootmgr default too
756	C<{b097d2ad-bc00-11e9-8a9a-525400123456}>:	836	C<{b097d2ad-bc00-11e9-8a9a-525400123456}>:
757		837
758	pbcdedit edit BCD set "{bootmgr}" default "{b097d2ad-bc00-11e9-8a9a-525400123456}"	838	pbcdedit edit BCD set "{bootmgr}" default "{b097d2ad-bc00-11e9-8a9a-525400123456}"
759		839
		840	=item C<del> I<object> I<element>
		841
		842	Similar to C<get>, but removed the BCD element from the specified BCD object.
		843
760	=item C<eval> I<perlcode>	844	=item C<eval> I<perlcode>
761		845
762	This takes the next argument, interprets it as Perl code and	846	This takes the next argument, interprets it as Perl code and
763	evaluates it. This allows you to do more complicated modifications or	847	evaluates it. This allows you to do more complicated modifications or
764	extractions.	848	extractions.
…		…
864		948
865	# hack used for debugging	949	# hack used for debugging
866	sub xxd($$) {	950	sub xxd($$) {
867	open my $xxd, "\| xxd \| sed -e 's/^/\Q$_[0]\E: /'";	951	open my $xxd, "\| xxd \| sed -e 's/^/\Q$_[0]\E: /'";
868	syswrite $xxd, $_[1];	952	syswrite $xxd, $_[1];
		953	}
		954
		955	# get some meta info on a file (uid, gid, perms)
		956	sub stat_get($) {
		957	[(stat shift)[4, 5, 2]]
		958	}
		959
		960	# set stat info on a file
		961	sub stat_set($$) {
		962	my ($fh_or_path, $stat) = @_;
		963
		964	return unless $stat;
		965	chown $stat->[0], $stat->[1], $fh_or_path;
		966	chmod +($stat->[2] & 07777), $fh_or_path;
869	}	967	}
870		968
871	sub file_load($) {	969	sub file_load($) {
872	my ($path) = @_;	970	my ($path) = @_;
873		971
…		…
876	my $size = -s $fh;	974	my $size = -s $fh;
877	$size = read $fh, my $buf, $size	975	$size = read $fh, my $buf, $size
878	or die "$path: short read\n";	976	or die "$path: short read\n";
879		977
880	$buf	978	$buf
		979	}
		980
		981	sub file_save($$;$) {
		982	my ($path, $data, $stat) = @_;
		983
		984	open my $fh, ">:raw", "$path~"
		985	or die "$path~: $!\n";
		986	print $fh $data
		987	or die "$path~: short write\n";
		988	stat_set $fh, $stat;
		989	$fh->sync;
		990	close $fh;
		991
		992	rename "$path~", $path;
881	}	993	}
882		994
883	# sources and resources used for writing pbcdedit	995	# sources and resources used for writing pbcdedit
884	#	996	#
885	# registry:	997	# registry:
…		…
1071	my ($rname, $root) = $decode_key->($rootcell);	1183	my ($rname, $root) = $decode_key->($rootcell);
1072		1184
1073	[$rname, $root]	1185	[$rname, $root]
1074	}	1186	}
1075		1187
1076	# return a binary windows fILETIME struct	1188	# return a binary windows FILETIME struct
1077	sub filetime_now {	1189	sub filetime_now {
1078	my ($s, $ms) = Time::HiRes::gettimeofday;	1190	my ($s, $ms) = Time::HiRes::gettimeofday;
1079		1191
1080	pack "Q<", $s = ($s * 1_000_000 + $ms) * 10 + 116_444_736_000_000_000	1192	pack "Q<", ($s * 1_000_000 + $ms) * 10
		1193	+ 116_444_736_000_000_000 # 1970-01-01 00:00:00
1081	}	1194	}
1082		1195
1083	# encode a registry hive	1196	# encode a registry hive
1084	sub regf_encode($) {	1197	sub regf_encode($) {
1085	my ($hive) = @_;	1198	my ($hive) = @_;
…		…
1088		1201
1089	# the filetime is apparently used to verify log file validity,	1202	# the filetime is apparently used to verify log file validity,
1090	# so by generating a new timestamp the log files should automatically	1203	# so by generating a new timestamp the log files should automatically
1091	# become invalidated and windows would "self-heal" them.	1204	# become invalidated and windows would "self-heal" them.
1092	# (update: has been verified by reverse engineering)	1205	# (update: has been verified by reverse engineering)
1093	# possibly the fact that the two sequence numbes match might also	1206	# possibly the fact that the two sequence numbers match might also
1094	# make windows think that the hive is not dirty and ignore logs.	1207	# make windows think that the hive is not dirty and ignore logs.
1095	# (update: has been verified by reverse engineering)	1208	# (update: has been verified by reverse engineering)
1096		1209
1097	my $now = filetime_now;	1210	my $now = filetime_now;
1098		1211
…		…
1242		1355
1243	regf_decode file_load $path	1356	regf_decode file_load $path
1244	}	1357	}
1245		1358
1246	# encode and save registry to file	1359	# encode and save registry to file
1247	sub regf_save {	1360	sub regf_save($$;$) {
1248	my ($path, $hive) = @_;	1361	my ($path, $hive, $stat) = @_;
1249		1362
1250	$hive = regf_encode $hive;	1363	$hive = regf_encode $hive;
1251		1364
1252	open my $regf, ">:raw", "$path~"	1365	file_save $path, $hive, $stat;
1253	or die "$path~: $!\n";
1254	print $regf $hive
1255	or die "$path~: short write\n";
1256	$regf->sync;
1257	close $regf;
1258
1259	rename "$path~", $path;
1260	}	1366	}
1261		1367
1262	#############################################################################	1368	#############################################################################
1263	# bcd stuff	1369	# bcd stuff
1264		1370
1265	# human-readable alises for GUID object identifiers	1371	# human-readable aliases for GUID object identifiers
1266	our %bcd_objects = (	1372	our %bcd_objects = (
1267	'{0ce4991b-e6b3-4b16-b23c-5e0d9250e5d9}' => '{emssettings}',	1373	'{0ce4991b-e6b3-4b16-b23c-5e0d9250e5d9}' => '{emssettings}',
1268	'{1afa9c49-16ab-4a5c-4a90-212802da9460}' => '{resumeloadersettings}',	1374	'{1afa9c49-16ab-4a5c-4a90-212802da9460}' => '{resumeloadersettings}',
1269	'{1cae1eb7-a0df-4d4d-9851-4860e34ef535}' => '{default}',	1375	'{1cae1eb7-a0df-4d4d-9851-4860e34ef535}' => '{default}',
1270	'{313e8eed-7098-4586-a9bf-309c61f8d449}' => '{kerneldbgsettings}',	1376	'{313e8eed-7098-4586-a9bf-309c61f8d449}' => '{kerneldbgsettings}',
…		…
1400	BCDE_FORMAT_STRING , sub { shift },	1506	BCDE_FORMAT_STRING , sub { shift },
1401	BCDE_FORMAT_GUID , sub { dec_wguid enc_wguid shift },	1507	BCDE_FORMAT_GUID , sub { dec_wguid enc_wguid shift },
1402	BCDE_FORMAT_GUID_LIST , sub { join " ", map dec_wguid enc_wguid $_, @{+shift} },	1508	BCDE_FORMAT_GUID_LIST , sub { join " ", map dec_wguid enc_wguid $_, @{+shift} },
1403	BCDE_FORMAT_INTEGER , sub { unpack "Q", pack "a8", pack "H*", shift }, # integer might be 4 or 8 bytes - caused by ms coding bugs	1509	BCDE_FORMAT_INTEGER , sub { unpack "Q", pack "a8", pack "H*", shift }, # integer might be 4 or 8 bytes - caused by ms coding bugs
1404	BCDE_FORMAT_BOOLEAN , sub { shift eq "00" ? 0 : 1 },	1510	BCDE_FORMAT_BOOLEAN , sub { shift eq "00" ? 0 : 1 },
1405	BCDE_FORMAT_INTEGER_LIST, sub { join " ", unpack "Q", pack "H", shift }, # not sure if this cna be 4 bytes	1511	BCDE_FORMAT_INTEGER_LIST, sub { join " ", unpack "Q", pack "H", shift }, # not sure if this can be 4 bytes
1406	);	1512	);
1407		1513
1408	our %bcde_enc = (	1514	our %bcde_enc = (
1409	BCDE_FORMAT_DEVICE , sub { binary => enc_device $_[0], $_[1] },	1515	BCDE_FORMAT_DEVICE , sub { binary => enc_device $_[0], $_[1] },
1410	BCDE_FORMAT_STRING , sub { sz => shift },	1516	BCDE_FORMAT_STRING , sub { sz => shift },
…		…
1416	);	1522	);
1417		1523
1418	# BCD Elements	1524	# BCD Elements
1419	our %bcde_byclass = (	1525	our %bcde_byclass = (
1420	any => {	1526	any => {
1421	0x11000001 => 'device',	1527	0x11000001 => 'device',
1422	0x12000002 => 'path',	1528	0x12000002 => 'path',
1423	0x12000004 => 'description',	1529	0x12000004 => 'description',
1424	0x12000005 => 'locale',	1530	0x12000005 => 'locale',
1425	0x14000006 => 'inherit',	1531	0x14000006 => 'inherit',
1426	0x15000007 => 'truncatememory',	1532	0x15000007 => 'truncatememory',
1427	0x14000008 => 'recoverysequence',	1533	0x14000008 => 'recoverysequence',
1428	0x16000009 => 'recoveryenabled',	1534	0x16000009 => 'recoveryenabled',
1429	0x1700000a => 'badmemorylist',	1535	0x1700000a => 'badmemorylist',
1430	0x1600000b => 'badmemoryaccess',	1536	0x1600000b => 'badmemoryaccess',
1431	0x1500000c => 'firstmegabytepolicy',	1537	0x1500000c => 'firstmegabytepolicy',
1432	0x1500000d => 'relocatephysical',	1538	0x1500000d => 'relocatephysical',
1433	0x1500000e => 'avoidlowmemory',	1539	0x1500000e => 'avoidlowmemory',
1434	0x1600000f => 'traditionalkseg',	1540	0x1600000f => 'traditionalkseg',
1435	0x16000010 => 'bootdebug',	1541	0x16000010 => 'bootdebug',
1436	0x15000011 => 'debugtype',	1542	0x15000011 => 'debugtype',
1437	0x15000012 => 'debugaddress',	1543	0x15000012 => 'debugaddress',
1438	0x15000013 => 'debugport',	1544	0x15000013 => 'debugport',
1439	0x15000014 => 'baudrate',	1545	0x15000014 => 'baudrate',
1440	0x15000015 => 'channel',	1546	0x15000015 => 'channel',
1441	0x12000016 => 'targetname',	1547	0x12000016 => 'targetname',
1442	0x16000017 => 'noumex',	1548	0x16000017 => 'noumex',
1443	0x15000018 => 'debugstart',	1549	0x15000018 => 'debugstart',
1444	0x12000019 => 'busparams',	1550	0x12000019 => 'busparams',
1445	0x1500001a => 'hostip',	1551	0x1500001a => 'hostip',
1446	0x1500001b => 'port',	1552	0x1500001b => 'port',
1447	0x1600001c => 'dhcp',	1553	0x1600001c => 'dhcp',
1448	0x1200001d => 'key',	1554	0x1200001d => 'key',
1449	0x1600001e => 'vm',	1555	0x1600001e => 'vm',
1450	0x16000020 => 'bootems',	1556	0x16000020 => 'bootems',
1451	0x15000022 => 'emsport',	1557	0x15000022 => 'emsport',
1452	0x15000023 => 'emsbaudrate',	1558	0x15000023 => 'emsbaudrate',
1453	0x12000030 => 'loadoptions',	1559	0x12000030 => 'loadoptions',
1454	0x16000040 => 'advancedoptions',	1560	0x16000040 => 'advancedoptions',
1455	0x16000041 => 'optionsedit',	1561	0x16000041 => 'optionsedit',
1456	0x15000042 => 'keyringaddress',	1562	0x15000042 => 'keyringaddress',
1457	0x11000043 => 'bootstatdevice',	1563	0x11000043 => 'bootstatdevice',
1458	0x12000044 => 'bootstatfilepath',	1564	0x12000044 => 'bootstatfilepath',
1459	0x16000045 => 'preservebootstat',	1565	0x16000045 => 'preservebootstat',
1460	0x16000046 => 'graphicsmodedisabled',	1566	0x16000046 => 'graphicsmodedisabled',
1461	0x15000047 => 'configaccesspolicy',	1567	0x15000047 => 'configaccesspolicy',
1462	0x16000048 => 'nointegritychecks',	1568	0x16000048 => 'nointegritychecks',
1463	0x16000049 => 'testsigning',	1569	0x16000049 => 'testsigning',
1464	0x1200004a => 'fontpath',	1570	0x1200004a => 'fontpath',
1465	0x1500004b => 'integrityservices',	1571	0x1500004b => 'integrityservices',
1466	0x1500004c => 'volumebandid',	1572	0x1500004c => 'volumebandid',
1467	0x16000050 => 'extendedinput',	1573	0x16000050 => 'extendedinput',
1468	0x15000051 => 'initialconsoleinput',	1574	0x15000051 => 'initialconsoleinput',
1469	0x15000052 => 'graphicsresolution',	1575	0x15000052 => 'graphicsresolution',
1470	0x16000053 => 'restartonfailure',	1576	0x16000053 => 'restartonfailure',
1471	0x16000054 => 'highestmode',	1577	0x16000054 => 'highestmode',
1472	0x16000060 => 'isolatedcontext',	1578	0x16000060 => 'isolatedcontext',
1473	0x15000065 => 'displaymessage',	1579	0x15000065 => 'displaymessage',
1474	0x15000066 => 'displaymessageoverride',	1580	0x15000066 => 'displaymessageoverride',
1475	0x16000068 => 'nobootuxtext',	1581	0x16000068 => 'nobootuxtext',
1476	0x16000069 => 'nobootuxprogress',	1582	0x16000069 => 'nobootuxprogress',
1477	0x1600006a => 'nobootuxfade',	1583	0x1600006a => 'nobootuxfade',
1478	0x1600006b => 'bootuxreservepooldebug',	1584	0x1600006b => 'bootuxreservepooldebug',
1479	0x1600006c => 'bootuxdisabled',	1585	0x1600006c => 'bootuxdisabled',
1480	0x1500006d => 'bootuxfadeframes',	1586	0x1500006d => 'bootuxfadeframes',
1481	0x1600006e => 'bootuxdumpstats',	1587	0x1600006e => 'bootuxdumpstats',
1482	0x1600006f => 'bootuxshowstats',	1588	0x1600006f => 'bootuxshowstats',
1483	0x16000071 => 'multibootsystem',	1589	0x16000071 => 'multibootsystem',
1484	0x16000072 => 'nokeyboard',	1590	0x16000072 => 'nokeyboard',
1485	0x15000073 => 'aliaswindowskey',	1591	0x15000073 => 'aliaswindowskey',
1486	0x16000074 => 'bootshutdowndisabled',	1592	0x16000074 => 'bootshutdowndisabled',
1487	0x15000075 => 'performancefrequency',	1593	0x15000075 => 'performancefrequency',
1488	0x15000076 => 'securebootrawpolicy',	1594	0x15000076 => 'securebootrawpolicy',
1489	0x17000077 => 'allowedinmemorysettings',	1595	0x17000077 => 'allowedinmemorysettings',
1490	0x15000079 => 'bootuxtransitiontime',	1596	0x15000079 => 'bootuxtransitiontime',
1491	0x1600007a => 'mobilegraphics',	1597	0x1600007a => 'mobilegraphics',
1492	0x1600007b => 'forcefipscrypto',	1598	0x1600007b => 'forcefipscrypto',
1493	0x1500007d => 'booterrorux',	1599	0x1500007d => 'booterrorux',
1494	0x1600007e => 'flightsigning',	1600	0x1600007e => 'flightsigning',
1495	0x1500007f => 'measuredbootlogformat',	1601	0x1500007f => 'measuredbootlogformat',
1496	0x15000080 => 'displayrotation',	1602	0x15000080 => 'displayrotation',
1497	0x15000081 => 'logcontrol',	1603	0x15000081 => 'logcontrol',
1498	0x16000082 => 'nofirmwaresync',	1604	0x16000082 => 'nofirmwaresync',
1499	0x11000084 => 'windowssyspart',	1605	0x11000084 => 'windowssyspart',
1500	0x16000087 => 'numlock',	1606	0x16000087 => 'numlock',
1501	0x26000202 => 'skipffumode',	1607	0x26000202 => 'skipffumode',
1502	0x26000203 => 'forceffumode',	1608	0x26000203 => 'forceffumode',
1503	0x25000510 => 'chargethreshold',	1609	0x25000510 => 'chargethreshold',
1504	0x26000512 => 'offmodecharging',	1610	0x26000512 => 'offmodecharging',
1505	0x25000aaa => 'bootflow',	1611	0x25000aaa => 'bootflow',
1506	0x45000001 => 'devicetype',	1612	0x45000001 => 'devicetype',
1507	0x42000002 => 'applicationrelativepath',	1613	0x42000002 => 'applicationrelativepath',
1508	0x42000003 => 'ramdiskdevicerelativepath',	1614	0x42000003 => 'ramdiskdevicerelativepath',
1509	0x46000004 => 'omitosloaderelements',	1615	0x46000004 => 'omitosloaderelements',
1510	0x47000006 => 'elementstomigrate',	1616	0x47000006 => 'elementstomigrate',
1511	0x46000010 => 'recoveryos',	1617	0x46000010 => 'recoveryos',
1512	},	1618	},
1513	bootapp => {	1619	bootapp => {
1514	0x26000145 => 'enablebootdebugpolicy',	1620	0x26000145 => 'enablebootdebugpolicy',
1515	0x26000146 => 'enablebootorderclean',	1621	0x26000146 => 'enablebootorderclean',
1516	0x26000147 => 'enabledeviceid',	1622	0x26000147 => 'enabledeviceid',
1517	0x26000148 => 'enableffuloader',	1623	0x26000148 => 'enableffuloader',
1518	0x26000149 => 'enableiuloader',	1624	0x26000149 => 'enableiuloader',
1519	0x2600014a => 'enablemassstorage',	1625	0x2600014a => 'enablemassstorage',
1520	0x2600014b => 'enablerpmbprovisioning',	1626	0x2600014b => 'enablerpmbprovisioning',
1521	0x2600014c => 'enablesecurebootpolicy',	1627	0x2600014c => 'enablesecurebootpolicy',
1522	0x2600014d => 'enablestartcharge',	1628	0x2600014d => 'enablestartcharge',
1523	0x2600014e => 'enableresettpm',	1629	0x2600014e => 'enableresettpm',
1524	},	1630	},
1525	bootmgr => {	1631	bootmgr => {
1526	0x24000001 => 'displayorder',	1632	0x24000001 => 'displayorder',
1527	0x24000002 => 'bootsequence',	1633	0x24000002 => 'bootsequence',
1528	0x23000003 => 'default',	1634	0x23000003 => 'default',
1529	0x25000004 => 'timeout',	1635	0x25000004 => 'timeout',
1530	0x26000005 => 'resume',	1636	0x26000005 => 'resume',
1531	0x23000006 => 'resumeobject',	1637	0x23000006 => 'resumeobject',
1532	0x24000007 => 'startupsequence',	1638	0x24000007 => 'startupsequence',
1533	0x24000010 => 'toolsdisplayorder',	1639	0x24000010 => 'toolsdisplayorder',
1534	0x26000020 => 'displaybootmenu',	1640	0x26000020 => 'displaybootmenu',
1535	0x26000021 => 'noerrordisplay',	1641	0x26000021 => 'noerrordisplay',
1536	0x21000022 => 'bcddevice',	1642	0x21000022 => 'bcddevice',
1537	0x22000023 => 'bcdfilepath',	1643	0x22000023 => 'bcdfilepath',
1538	0x26000024 => 'hormenabled',	1644	0x26000024 => 'hormenabled',
1539	0x26000025 => 'hiberboot',	1645	0x26000025 => 'hiberboot',
1540	0x22000026 => 'passwordoverride',	1646	0x22000026 => 'passwordoverride',
1541	0x22000027 => 'pinpassphraseoverride',	1647	0x22000027 => 'pinpassphraseoverride',
1542	0x26000028 => 'processcustomactionsfirst',	1648	0x26000028 => 'processcustomactionsfirst',
1543	0x27000030 => 'customactions',	1649	0x27000030 => 'customactions',
1544	0x26000031 => 'persistbootsequence',	1650	0x26000031 => 'persistbootsequence',
1545	0x26000032 => 'skipstartupsequence',	1651	0x26000032 => 'skipstartupsequence',
1546	0x22000040 => 'fverecoveryurl',	1652	0x22000040 => 'fverecoveryurl',
1547	0x22000041 => 'fverecoverymessage',	1653	0x22000041 => 'fverecoverymessage',
1548	},	1654	},
1549	device => {	1655	device => {
1550	0x35000001 => 'ramdiskimageoffset',	1656	0x35000001 => 'ramdiskimageoffset',
1551	0x35000002 => 'ramdisktftpclientport',	1657	0x35000002 => 'ramdisktftpclientport',
1552	0x31000003 => 'ramdisksdidevice',	1658	0x31000003 => 'ramdisksdidevice',
1553	0x32000004 => 'ramdisksdipath',	1659	0x32000004 => 'ramdisksdipath',
1554	0x35000005 => 'ramdiskimagelength',	1660	0x35000005 => 'ramdiskimagelength',
1555	0x36000006 => 'exportascd',	1661	0x36000006 => 'exportascd',
1556	0x35000007 => 'ramdisktftpblocksize',	1662	0x35000007 => 'ramdisktftpblocksize',
1557	0x35000008 => 'ramdisktftpwindowsize',	1663	0x35000008 => 'ramdisktftpwindowsize',
1558	0x36000009 => 'ramdiskmcenabled',	1664	0x36000009 => 'ramdiskmcenabled',
1559	0x3600000a => 'ramdiskmctftpfallback',	1665	0x3600000a => 'ramdiskmctftpfallback',
1560	0x3600000b => 'ramdisktftpvarwindow',	1666	0x3600000b => 'ramdisktftpvarwindow',
1561	},	1667	},
1562	memdiag => {	1668	memdiag => {
1563	0x25000001 => 'passcount',	1669	0x25000001 => 'passcount',
1564	0x25000002 => 'testmix',	1670	0x25000002 => 'testmix',
1565	0x25000003 => 'failurecount',	1671	0x25000003 => 'failurecount',
1566	0x26000003 => 'cacheenable',	1672	0x26000003 => 'cacheenable',
1567	0x25000004 => 'testtofail',	1673	0x25000004 => 'testtofail',
1568	0x26000004 => 'failuresenabled',	1674	0x26000004 => 'failuresenabled',
1569	0x25000005 => 'stridefailcount',	1675	0x25000005 => 'stridefailcount',
1570	0x26000005 => 'cacheenable',	1676	0x26000005 => 'cacheenable',
1571	0x25000006 => 'invcfailcount',	1677	0x25000006 => 'invcfailcount',
1572	0x25000007 => 'matsfailcount',	1678	0x25000007 => 'matsfailcount',
1573	0x25000008 => 'randfailcount',	1679	0x25000008 => 'randfailcount',
1574	0x25000009 => 'chckrfailcount',	1680	0x25000009 => 'chckrfailcount',
1575	},	1681	},
1576	ntldr => {	1682	ntldr => {
1577	0x22000001 => 'bpbstring',	1683	0x22000001 => 'bpbstring',
1578	},	1684	},
1579	osloader => {	1685	osloader => {
1580	0x21000001 => 'osdevice',	1686	0x21000001 => 'osdevice',
1581	0x22000002 => 'systemroot',	1687	0x22000002 => 'systemroot',
1582	0x23000003 => 'resumeobject',	1688	0x23000003 => 'resumeobject',
1583	0x26000004 => 'stampdisks',	1689	0x26000004 => 'stampdisks',
1584	0x26000010 => 'detecthal',	1690	0x26000010 => 'detecthal',
1585	0x22000011 => 'kernel',	1691	0x22000011 => 'kernel',
1586	0x22000012 => 'hal',	1692	0x22000012 => 'hal',
1587	0x22000013 => 'dbgtransport',	1693	0x22000013 => 'dbgtransport',
1588	0x25000020 => 'nx',	1694	0x25000020 => 'nx',
1589	0x25000021 => 'pae',	1695	0x25000021 => 'pae',
1590	0x26000022 => 'winpe',	1696	0x26000022 => 'winpe',
1591	0x26000024 => 'nocrashautoreboot',	1697	0x26000024 => 'nocrashautoreboot',
1592	0x26000025 => 'lastknowngood',	1698	0x26000025 => 'lastknowngood',
1593	0x26000026 => 'oslnointegritychecks',	1699	0x26000026 => 'oslnointegritychecks',
1594	0x26000027 => 'osltestsigning',	1700	0x26000027 => 'osltestsigning',
1595	0x26000030 => 'nolowmem',	1701	0x26000030 => 'nolowmem',
1596	0x25000031 => 'removememory',	1702	0x25000031 => 'removememory',
1597	0x25000032 => 'increaseuserva',	1703	0x25000032 => 'increaseuserva',
1598	0x25000033 => 'perfmem',	1704	0x25000033 => 'perfmem',
1599	0x26000040 => 'vga',	1705	0x26000040 => 'vga',
1600	0x26000041 => 'quietboot',	1706	0x26000041 => 'quietboot',
1601	0x26000042 => 'novesa',	1707	0x26000042 => 'novesa',
1602	0x26000043 => 'novga',	1708	0x26000043 => 'novga',
1603	0x25000050 => 'clustermodeaddressing',	1709	0x25000050 => 'clustermodeaddressing',
1604	0x26000051 => 'usephysicaldestination',	1710	0x26000051 => 'usephysicaldestination',
1605	0x25000052 => 'restrictapiccluster',	1711	0x25000052 => 'restrictapiccluster',
1606	0x22000053 => 'evstore',	1712	0x22000053 => 'evstore',
1607	0x26000054 => 'uselegacyapicmode',	1713	0x26000054 => 'uselegacyapicmode',
1608	0x26000060 => 'onecpu',	1714	0x26000060 => 'onecpu',
1609	0x25000061 => 'numproc',	1715	0x25000061 => 'numproc',
1610	0x26000062 => 'maxproc',	1716	0x26000062 => 'maxproc',
1611	0x25000063 => 'configflags',	1717	0x25000063 => 'configflags',
1612	0x26000064 => 'maxgroup',	1718	0x26000064 => 'maxgroup',
1613	0x26000065 => 'groupaware',	1719	0x26000065 => 'groupaware',
1614	0x25000066 => 'groupsize',	1720	0x25000066 => 'groupsize',
1615	0x26000070 => 'usefirmwarepcisettings',	1721	0x26000070 => 'usefirmwarepcisettings',
1616	0x25000071 => 'msi',	1722	0x25000071 => 'msi',
1617	0x25000072 => 'pciexpress',	1723	0x25000072 => 'pciexpress',
1618	0x25000080 => 'safeboot',	1724	0x25000080 => 'safeboot',
1619	0x26000081 => 'safebootalternateshell',	1725	0x26000081 => 'safebootalternateshell',
1620	0x26000090 => 'bootlog',	1726	0x26000090 => 'bootlog',
1621	0x26000091 => 'sos',	1727	0x26000091 => 'sos',
1622	0x260000a0 => 'debug',	1728	0x260000a0 => 'debug',
1623	0x260000a1 => 'halbreakpoint',	1729	0x260000a1 => 'halbreakpoint',
1624	0x260000a2 => 'useplatformclock',	1730	0x260000a2 => 'useplatformclock',
1625	0x260000a3 => 'forcelegacyplatform',	1731	0x260000a3 => 'forcelegacyplatform',
1626	0x260000a4 => 'useplatformtick',	1732	0x260000a4 => 'useplatformtick',
1627	0x260000a5 => 'disabledynamictick',	1733	0x260000a5 => 'disabledynamictick',
1628	0x250000a6 => 'tscsyncpolicy',	1734	0x250000a6 => 'tscsyncpolicy',
1629	0x260000b0 => 'ems',	1735	0x260000b0 => 'ems',
1630	0x250000c0 => 'forcefailure',	1736	0x250000c0 => 'forcefailure',
1631	0x250000c1 => 'driverloadfailurepolicy',	1737	0x250000c1 => 'driverloadfailurepolicy',
1632	0x250000c2 => 'bootmenupolicy',	1738	0x250000c2 => 'bootmenupolicy',
1633	0x260000c3 => 'onetimeadvancedoptions',	1739	0x260000c3 => 'onetimeadvancedoptions',
1634	0x260000c4 => 'onetimeoptionsedit',	1740	0x260000c4 => 'onetimeoptionsedit',
1635	0x250000e0 => 'bootstatuspolicy',	1741	0x250000e0 => 'bootstatuspolicy',
1636	0x260000e1 => 'disableelamdrivers',	1742	0x260000e1 => 'disableelamdrivers',
1637	0x250000f0 => 'hypervisorlaunchtype',	1743	0x250000f0 => 'hypervisorlaunchtype',
1638	0x220000f1 => 'hypervisorpath',	1744	0x220000f1 => 'hypervisorpath',
1639	0x260000f2 => 'hypervisordebug',	1745	0x260000f2 => 'hypervisordebug',
1640	0x250000f3 => 'hypervisordebugtype',	1746	0x250000f3 => 'hypervisordebugtype',
1641	0x250000f4 => 'hypervisordebugport',	1747	0x250000f4 => 'hypervisordebugport',
1642	0x250000f5 => 'hypervisorbaudrate',	1748	0x250000f5 => 'hypervisorbaudrate',
1643	0x250000f6 => 'hypervisorchannel',	1749	0x250000f6 => 'hypervisorchannel',
1644	0x250000f7 => 'bootux',	1750	0x250000f7 => 'bootux',
1645	0x260000f8 => 'hypervisordisableslat',	1751	0x260000f8 => 'hypervisordisableslat',
1646	0x220000f9 => 'hypervisorbusparams',	1752	0x220000f9 => 'hypervisorbusparams',
1647	0x250000fa => 'hypervisornumproc',	1753	0x250000fa => 'hypervisornumproc',
1648	0x250000fb => 'hypervisorrootprocpernode',	1754	0x250000fb => 'hypervisorrootprocpernode',
1649	0x260000fc => 'hypervisoruselargevtlb',	1755	0x260000fc => 'hypervisoruselargevtlb',
1650	0x250000fd => 'hypervisorhostip',	1756	0x250000fd => 'hypervisorhostip',
1651	0x250000fe => 'hypervisorhostport',	1757	0x250000fe => 'hypervisorhostport',
1652	0x250000ff => 'hypervisordebugpages',	1758	0x250000ff => 'hypervisordebugpages',
1653	0x25000100 => 'tpmbootentropy',	1759	0x25000100 => 'tpmbootentropy',
1654	0x22000110 => 'hypervisorusekey',	1760	0x22000110 => 'hypervisorusekey',
1655	0x22000112 => 'hypervisorproductskutype',	1761	0x22000112 => 'hypervisorproductskutype',
1656	0x25000113 => 'hypervisorrootproc',	1762	0x25000113 => 'hypervisorrootproc',
1657	0x26000114 => 'hypervisordhcp',	1763	0x26000114 => 'hypervisordhcp',
1658	0x25000115 => 'hypervisoriommupolicy',	1764	0x25000115 => 'hypervisoriommupolicy',
1659	0x26000116 => 'hypervisorusevapic',	1765	0x26000116 => 'hypervisorusevapic',
1660	0x22000117 => 'hypervisorloadoptions',	1766	0x22000117 => 'hypervisorloadoptions',
1661	0x25000118 => 'hypervisormsrfilterpolicy',	1767	0x25000118 => 'hypervisormsrfilterpolicy',
1662	0x25000119 => 'hypervisormmionxpolicy',	1768	0x25000119 => 'hypervisormmionxpolicy',
1663	0x2500011a => 'hypervisorschedulertype',	1769	0x2500011a => 'hypervisorschedulertype',
1664	0x25000120 => 'xsavepolicy',	1770	0x25000120 => 'xsavepolicy',
1665	0x25000121 => 'xsaveaddfeature0',	1771	0x25000121 => 'xsaveaddfeature0',
1666	0x25000122 => 'xsaveaddfeature1',	1772	0x25000122 => 'xsaveaddfeature1',
1667	0x25000123 => 'xsaveaddfeature2',	1773	0x25000123 => 'xsaveaddfeature2',
1668	0x25000124 => 'xsaveaddfeature3',	1774	0x25000124 => 'xsaveaddfeature3',
1669	0x25000125 => 'xsaveaddfeature4',	1775	0x25000125 => 'xsaveaddfeature4',
1670	0x25000126 => 'xsaveaddfeature5',	1776	0x25000126 => 'xsaveaddfeature5',
1671	0x25000127 => 'xsaveaddfeature6',	1777	0x25000127 => 'xsaveaddfeature6',
1672	0x25000128 => 'xsaveaddfeature7',	1778	0x25000128 => 'xsaveaddfeature7',
1673	0x25000129 => 'xsaveremovefeature',	1779	0x25000129 => 'xsaveremovefeature',
1674	0x2500012a => 'xsaveprocessorsmask',	1780	0x2500012a => 'xsaveprocessorsmask',
1675	0x2500012b => 'xsavedisable',	1781	0x2500012b => 'xsavedisable',
1676	0x2500012c => 'kerneldebugtype',	1782	0x2500012c => 'kerneldebugtype',
1677	0x2200012d => 'kernelbusparams',	1783	0x2200012d => 'kernelbusparams',
1678	0x2500012e => 'kerneldebugaddress',	1784	0x2500012e => 'kerneldebugaddress',
1679	0x2500012f => 'kerneldebugport',	1785	0x2500012f => 'kerneldebugport',
1680	0x25000130 => 'claimedtpmcounter',	1786	0x25000130 => 'claimedtpmcounter',
1681	0x25000131 => 'kernelchannel',	1787	0x25000131 => 'kernelchannel',
1682	0x22000132 => 'kerneltargetname',	1788	0x22000132 => 'kerneltargetname',
1683	0x25000133 => 'kernelhostip',	1789	0x25000133 => 'kernelhostip',
1684	0x25000134 => 'kernelport',	1790	0x25000134 => 'kernelport',
1685	0x26000135 => 'kerneldhcp',	1791	0x26000135 => 'kerneldhcp',
1686	0x22000136 => 'kernelkey',	1792	0x22000136 => 'kernelkey',
1687	0x22000137 => 'imchivename',	1793	0x22000137 => 'imchivename',
1688	0x21000138 => 'imcdevice',	1794	0x21000138 => 'imcdevice',
1689	0x25000139 => 'kernelbaudrate',	1795	0x25000139 => 'kernelbaudrate',
1690	0x22000140 => 'mfgmode',	1796	0x22000140 => 'mfgmode',
1691	0x26000141 => 'event',	1797	0x26000141 => 'event',
1692	0x25000142 => 'vsmlaunchtype',	1798	0x25000142 => 'vsmlaunchtype',
1693	0x25000144 => 'hypervisorenforcedcodeintegrity',	1799	0x25000144 => 'hypervisorenforcedcodeintegrity',
1694	0x21000150 => 'systemdatadevice',	1800	0x21000150 => 'systemdatadevice',
1695	0x21000151 => 'osarcdevice',	1801	0x21000151 => 'osarcdevice',
1696	0x21000153 => 'osdatadevice',	1802	0x21000153 => 'osdatadevice',
1697	0x21000154 => 'bspdevice',	1803	0x21000154 => 'bspdevice',
1698	0x21000155 => 'bspfilepath',	1804	0x21000155 => 'bspfilepath',
1699	},	1805	},
1700	resume => {	1806	resume => {
1701	0x21000001 => 'filedevice',	1807	0x21000001 => 'filedevice',
1702	0x22000002 => 'filepath',	1808	0x22000002 => 'filepath',
1703	0x26000003 => 'customsettings',	1809	0x26000003 => 'customsettings',
1704	0x26000004 => 'pae',	1810	0x26000004 => 'pae',
1705	0x21000005 => 'associatedosdevice',	1811	0x21000005 => 'associatedosdevice',
1706	0x26000006 => 'debugoptionenabled',	1812	0x26000006 => 'debugoptionenabled',
1707	0x25000007 => 'bootux',	1813	0x25000007 => 'bootux',
1708	0x25000008 => 'bootmenupolicy',	1814	0x25000008 => 'bootmenupolicy',
1709	0x26000024 => 'hormenabled',	1815	0x26000024 => 'hormenabled',
1710	},	1816	},
1711	startup => {	1817	startup => {
1712	0x26000001 => 'pxesoftreboot',	1818	0x26000001 => 'pxesoftreboot',
1713	0x22000002 => 'applicationname',	1819	0x22000002 => 'applicationname',
1714	},	1820	},
1715	);	1821	);
1716		1822
1717	# mask, value => class	1823	# mask, value => class
1718	our @bcde_typeclass = (	1824	our @bcde_typeclass = (
…		…
1782	our @part_type = qw(gpt mbr raw);	1888	our @part_type = qw(gpt mbr raw);
1783		1889
1784	our $NULL_DEVICE = "\x00" x 16;	1890	our $NULL_DEVICE = "\x00" x 16;
1785		1891
1786	# biggest bitch to decode, ever	1892	# biggest bitch to decode, ever
1787	# this decoded a device portion after the GUID	1893	# this decodes a device portion after the GUID
1788	sub dec_device_($$);	1894	sub dec_device_($$);
1789	sub dec_device_($$) {	1895	sub dec_device_($$) {
1790	my ($device, $type) = @_;	1896	my ($device, $type) = @_;
1791		1897
1792	my $res;	1898	my $res;
…		…
2199	or die "$_: malformed or missing vmbus interface instance guid\n";	2305	or die "$_: malformed or missing vmbus interface instance guid\n";
2200	my $instance = enc_guid $1;	2306	my $instance = enc_guid $1;
2201		2307
2202	$payload = pack "a16a16x24", $type, $instance;	2308	$payload = pack "a16a16x24", $type, $instance;
2203		2309
		2310	# } elsif ($type eq "udp") {
		2311	# $payload = pack "Va16", 1, "12345678";
		2312
2204	} else {	2313	} else {
2205	die "$type: not a supported device type (binary, null, boot, legacypartition, partition, block, locate)\n";	2314	die "$type: not a supported device type (binary, null, boot, legacypartition, partition, block, locate)\n";
2206	}	2315	}
2207		2316
2208	return (	2317	return (
…		…
2373		2482
2374	$object = $object eq "{default}" ? $default : dec_wguid enc_wguid $object;	2483	$object = $object eq "{default}" ? $default : dec_wguid enc_wguid $object;
2375		2484
2376	$bcd->{$object}{$elem} = $value;	2485	$bcd->{$object}{$elem} = $value;
2377		2486
		2487	} elsif ($insn eq "del") {
		2488	my $object = shift @insns;
		2489	my $elem = shift @insns;
		2490
		2491	$object = $object eq "{default}" ? $default : dec_wguid enc_wguid $object;
		2492
		2493	delete $bcd->{$object}{$elem};
		2494
2378	} elsif ($insn eq "eval") {	2495	} elsif ($insn eq "eval") {
2379	my $perl = shift @insns;	2496	my $perl = shift @insns;
2380	bcd_edit_eval "#line 1 'eval'\n$perl";	2497	bcd_edit_eval "#line 1 'eval'\n$perl";
2381		2498
2382	} elsif ($insn eq "do") {	2499	} elsif ($insn eq "do") {
2383	my $path = shift @insns;	2500	my $path = shift @insns;
2384	my $file = file_load $path;	2501	my $file = file_load $path;
2385	bcd_edit_eval "#line 1 '$path'\n$file";	2502	bcd_edit_eval "#line 1 '$path'\n$file";
2386		2503
2387	} else {	2504	} else {
2388	die "$insn: not a recognized instruction for edit/parse\n";	2505	die "$insn: not a recognized instruction for create/edit/parse\n";
2389	}	2506	}
2390	}	2507	}
2391		2508
2392	}	2509	}
2393		2510
2394	#############################################################################	2511	#############################################################################
2395	# command line parser	2512	# other utilities
2396		2513
2397	# json to stdout	2514	# json to stdout
2398	sub prjson($) {	2515	sub prjson($) {
2399	print $json_coder->encode ($_[0]);	2516	print $json_coder->encode ($_[0]);
2400	}	2517	}
…		…
2404	my $json;	2521	my $json;
2405	1 while read STDIN, $json, 65536, length $json;	2522	1 while read STDIN, $json, 65536, length $json;
2406	$json_coder->decode ($json)	2523	$json_coder->decode ($json)
2407	}	2524	}
2408		2525
2409	# all subcommands	2526	sub lsblk() {
		2527	my $lsblk = $json_coder->decode (scalar qx<lsblk --json -o PATH,KNAME,MAJ:MIN,TYPE,PTTYPE,PTUUID,PARTUUID,LABEL,FSTYPE>);
		2528
		2529	for my $dev (@{ $lsblk->{blockdevices} }) {
		2530	if ($dev->{type} eq "part") {
		2531
		2532	# lsblk sometimes gives a bogus pttype, so we recreate it here
		2533	$dev->{pttype} = $dev->{ptuuid} =~ /^$RE_GUID\z/
		2534	? "gpt" : "dos";
		2535
		2536	if ($dev->{pttype} eq "gpt") {
		2537	$dev->{bcd_device} = "partition=<null>,harddisk,gpt,$dev->{ptuuid},$dev->{partuuid}";
		2538	} elsif ($dev->{pttype} eq "dos") { # why not "mbr" :(
		2539	if ($dev->{partuuid} =~ /^([0-9a-f]{8})-([0-9a-f]{2})\z/i) {
		2540	my ($diskid, $partno) = ($1, hex $2);
		2541	$dev->{bcd_legacy_device} = "legacypartition=<null>,harddisk,mbr,$diskid,$partno";
		2542	if (open my $fh, "/sys/class/block/$dev->{kname}/start") {
		2543	my $start = 512 * readline $fh;
		2544	$dev->{bcd_device} = "partition=<null>,harddisk,mbr,$diskid,$start";
		2545	}
		2546	}
		2547	}
		2548	}
		2549	}
		2550
		2551	$lsblk->{blockdevices}
		2552	}
		2553
		2554	sub prdev($$) {
		2555	my ($path, $attribute) = @_;
		2556
		2557	# rather than stat'ing and guessing how devices are encoded, we use lsblk for this
		2558	my $mm = $json_coder->decode (scalar qx<lsblk -d -o MAJ:MIN -J \Q$path\E>)->{blockdevices}[0]{"maj:min"};
		2559
		2560	my $lsblk = lsblk;
		2561
		2562	for my $dev (@$lsblk) {
		2563	if ($dev->{"maj:min"} eq $mm && $dev->{$attribute}) {
		2564	say $dev->{$attribute};
		2565	exit 0;
		2566	}
		2567	}
		2568
		2569	exit 1;
		2570	}
		2571
		2572	#############################################################################
		2573	# command line parser
		2574
2410	our %CMD = (	2575	our %CMD = (
2411	help => sub {	2576	help => sub {
2412	require Pod::Usage;	2577	require Pod::Usage;
2413	Pod::Usage::pod2usage (-verbose => 2);	2578	Pod::Usage::pod2usage (-verbose => 2, -quotes => "none", -noperldoc => 1);
2414	},	2579	},
2415		2580
2416	objects => sub {	2581	objects => sub {
2417	my %rbcd_types = reverse %bcd_types;	2582	my %rbcd_types = reverse %bcd_types;
2418	$_ = sprintf "%08x", $_ for values %rbcd_types;	2583	$_ = sprintf "%08x", $_ for values %rbcd_types;
…		…
2465	BCDE_FORMAT_INTEGER , "integer",	2630	BCDE_FORMAT_INTEGER , "integer",
2466	BCDE_FORMAT_BOOLEAN , "boolean",	2631	BCDE_FORMAT_BOOLEAN , "boolean",
2467	BCDE_FORMAT_INTEGER_LIST, "integer list",	2632	BCDE_FORMAT_INTEGER_LIST, "integer list",
2468	);	2633	);
2469		2634
2470	my %element;	2635	my @element;
2471		2636
2472	for my $class (sort keys %rbcde_byclass) {	2637	for my $class (sort keys %rbcde_byclass) {
2473	my $rbcde = $rbcde_byclass{$class};	2638	my $rbcde = $rbcde_byclass{$class};
2474		2639
2475	unless ($json) {	2640	unless ($json) {
…		…
2478	printf "%-9s %-12s %s\n", "Element", "Format", "Name Alias";	2643	printf "%-9s %-12s %s\n", "Element", "Format", "Name Alias";
2479	}	2644	}
2480	for my $name (sort keys %$rbcde) {	2645	for my $name (sort keys %$rbcde) {
2481	my $id = $rbcde->{$name};	2646	my $id = $rbcde->{$name};
2482	my $format = $format_name{$id & BCDE_FORMAT};	2647	my $format = $format_name{$id & BCDE_FORMAT};
2483	$id = sprintf "%08x", $id;
2484		2648
2485	if ($json) {	2649	if ($json) {
2486	$element{$id} = [$class, $format, $name];	2650	push @element, [$class, $id * 1, $format, $name];
2487	} else {	2651	} else {
		2652	$id = sprintf "%08x", $id;
2488	printf "%-9s %-12s %s\n", $id, $format, $name;	2653	printf "%-9s %-12s %s\n", $id, $format, $name;
2489	}	2654	}
2490	}	2655	}
2491	}	2656	}
2492	print "\n" unless $json;	2657	print "\n" unless $json;
2493		2658
2494	prjson {	2659	prjson {
2495	version => $JSON_VERSION,	2660	version => $JSON_VERSION,
2496	element => \%element,	2661	element => \@element,
2497	class => \@bcde_typeclass,	2662	class => \@bcde_typeclass,
2498	} if $json;	2663	} if $json;
2499		2664
2500	},	2665	},
2501		2666
…		…
2505		2670
2506	import => sub {	2671	import => sub {
2507	regf_save shift, bcd_encode rdjson;	2672	regf_save shift, bcd_encode rdjson;
2508	},	2673	},
2509		2674
		2675	create => sub {
		2676	my $path = shift;
		2677	my $stat = stat_get $path; # should actually be done at file load time
		2678	my $bcd = { };
		2679	bcd_edit $path, $bcd, @_;
		2680	regf_save $path, bcd_encode $bcd;
		2681	stat_set $path, $stat;
		2682	},
		2683
2510	edit => sub {	2684	edit => sub {
2511	my $path = shift;	2685	my $path = shift;
		2686	my $stat = stat_get $path; # should actually be done at file load time
2512	my $bcd = bcd_decode regf_load $path;	2687	my $bcd = bcd_decode regf_load $path;
2513	bcd_edit $path, $bcd, @_;	2688	bcd_edit $path, $bcd, @_;
2514	regf_save $path, bcd_encode $bcd;	2689	regf_save $path, bcd_encode $bcd;
		2690	stat_set $path, $stat;
2515	},	2691	},
2516		2692
2517	parse => sub {	2693	parse => sub {
2518	my $path = shift;	2694	my $path = shift;
2519	my $bcd = bcd_decode regf_load $path;	2695	my $bcd = bcd_decode regf_load $path;
…		…
2528	"import-regf" => sub {	2704	"import-regf" => sub {
2529	regf_save shift, rdjson;	2705	regf_save shift, rdjson;
2530	},	2706	},
2531		2707
2532	lsblk => sub {	2708	lsblk => sub {
		2709	my $json = $_[0] eq "--json";
		2710
		2711	my $lsblk = lsblk;
		2712
		2713	if ($json) {
		2714	prjson $lsblk;
		2715	} else {
2533	printf "%-10s %-8.8s %-6.6s %-3s %s\n", "DEVICE", "LABEL", "FSTYPE", "PT", "DEVICE DESCRIPTOR";	2716	printf "%-10s %-8.8s %-6.6s %-3s %s\n", "DEVICE", "LABEL", "FSTYPE", "PT", "DEVICE DESCRIPTOR";
2534		2717	for my $dev (@$lsblk) {
2535	my $lsblk = $json_coder->decode (scalar qx<lsblk --json -o PATH,KNAME,TYPE,PTTYPE,PTUUID,PARTUUID,LABEL,FSTYPE>);	2718	for my $bcd ($dev->{bcd_device}, $dev->{bcd_legacy_device}) {
2536
2537	for my $dev (@{ $lsblk->{blockdevices} }) {
2538	my $pr = sub {
2539	printf "%-10s %-8.8s %-6.6s %-3s %s\n",	2719	printf "%-10s %-8.8s %-6.6s %-3s %s\n",
2540	$dev->{path}, $dev->{label}, $dev->{fstype}, $dev->{pttype}, $_[0];	2720	$dev->{path}, $dev->{label}, $dev->{fstype}, $dev->{pttype}, $bcd
2541	};
2542
2543	if ($dev->{type} eq "part") {
2544	if ($dev->{pttype} eq "gpt") {
2545	$pr->("partition=<null>,harddisk,gpt,$dev->{ptuuid},$dev->{partuuid}");
2546	} elsif ($dev->{pttype} eq "dos") { # why not "mbr" :(
2547	if ($dev->{partuuid} =~ /^([0-9a-f]{8})-([0-9a-f]{2})\z/i) {
2548	my ($diskid, $partno) = ($1, hex $2);
2549	$pr->("legacypartition=<null>,harddisk,mbr,$diskid,$partno");
2550	if (open my $fh, "/sys/class/block/$dev->{kname}/start") {
2551	my $start = 512 * readline $fh;
2552	$pr->("partition=<null>,harddisk,mbr,$diskid,$start");
2553	}	2721	if $bcd;
2554	}
2555	}	2722	}
2556	}	2723	}
2557	}	2724	}
		2725	},
		2726
		2727	"bcd-device" => sub {
		2728	prdev shift, "bcd_device";
		2729	},
		2730
		2731	"bcd-legacy-device" => sub {
		2732	prdev shift, "bcd_legacy_device";
2558	},	2733	},
2559		2734
2560	version => sub {	2735	version => sub {
2561	print "\n",	2736	print "\n",
2562	"PBCDEDIT version $VERSION, copyright 2019 Marc A. Lehmann <pbcdedit\@schmorp.de>.\n",	2737	"PBCDEDIT version $VERSION, copyright 2019 Marc A. Lehmann <pbcdedit\@schmorp.de>.\n",

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing pbcdedit/pbcdedit (file contents): Revision 1.39 by root, Thu Aug 15 23:49:22 2019 UTC vs. Revision 1.76 by root, Tue Aug 9 11:44:54 2022 UTC

Diff Legend

Comparing pbcdedit/pbcdedit (file contents):
Revision 1.39 by root, Thu Aug 15 23:49:22 2019 UTC vs.
Revision 1.76 by root, Tue Aug 9 11:44:54 2022 UTC