Mygod/export-ble-infos.py

## export-ble-infos.py
#!/usr/bin/python3
"""
Copyright 2021 Mygod

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.


What is this: Export your Windows Bluetooth LE keys into Linux!

Thanks to:
* http://console.systems/2014/09/how-to-pair-low-energy-le-bluetooth.html
* https://gist.github.com/corecoding/eac76d3da20c7e427a1848b8aed8e334/revisions#diff-6eeb0d27c24cc10680e8574f75648585

Usage:

$ ./export-ble-infos.py <args>
$ sudo bash -c 'cp -r ./bluetooth /var/lib && service bluetooth force-reload'
$ rm -r bluetooth
"""

import os
import shutil
import subprocess
import sys
import tempfile

from configparser import ConfigParser
from optparse import OptionParser

default_template = """
[General]
Name=Designer Mouse
Appearance=0x03c2
AddressType=static
SupportedTechnologies=LE;
Trusted=true
Blocked=false
Services=00001800-0000-1000-8000-00805f9b34fb;00001801-0000-1000-8000-00805f9b34fb;0000180a-0000-1000-8000-00805f9b34fb;0000180f-0000-1000-8000-00805f9b34fb;00001812-0000-1000-8000-00805f9b34fb;

[IdentityResolvingKey]
Key=

[LocalSignatureKey]
Key=
Counter=0
Authenticated=false

[LongTermKey]
Key=
Authenticated=0
EncSize=16
EDiv=
Rand=

[DeviceID]
Source=2
Vendor=1118
Product=2053
Version=272

[ConnectionParameters]
MinInterval=6
MaxInterval=6
Latency=60
Timeout=300
"""


def main():
    parser = OptionParser()
    parser.add_option("-v", "--verbose", action='store_true', dest='verbose')
    parser.add_option("-s", "--system", dest="system", metavar="FILE",
                      default="/mnt/Windows/System32/config/SYSTEM",
                      help="SYSTEM file in Windows. Usually at /Windows/System32/config/system.")
    parser.add_option("-k", "--key", dest="key", metavar="KEY",
                      default=r"ControlSet001\Services\BTHPORT\Parameters\Keys",
                      help="Registry key for BT. [default: %default]")
    parser.add_option("-o", "--output", dest="output", metavar="DIR", default="bluetooth",
                      help="Output directory. [default: %default]")
    parser.add_option("-t", "--template", dest="template", metavar="FILE", help="Template file.")
    parser.add_option("-a", "--attributes", dest='attributes', help="Additional attributes file to be copied.")
    options, args = parser.parse_args()

    if options.template:
        with open(options.template) as file:
            template = file.read()
    else:
        template = default_template

    out = tempfile.mktemp(".reg")
    reged = subprocess.Popen(["reged", "-x", options.system, '\\', options.key, out], stdout=sys.stderr)
    reged.wait()
    if reged.returncode:
        return reged.returncode
    dump = ConfigParser()
    with open(out) as file:
        reged_out = file.read()
        if options.verbose:
            print(reged_out)
        dump.read_string(reged_out.split('\n', 1)[1])
    os.unlink(out)

    for section in dump:
        path = section[len(options.key) + 2:].split('\\')
        assert not path[0]
        if len(path) == 3:
            path[1] = ':'.join([path[1][i:i + 2] for i in range(0, len(path[1]), 2)]).upper()
            path[2] = ':'.join([path[2][i:i + 2] for i in range(0, len(path[2]), 2)]).upper()
            print("Dumping {}/{}...".format(path[1], path[2]))
            config = ConfigParser()
            config.optionxform = str

            # See if device has been paired in Linux before
            existing_template = '/var/lib/bluetooth/{}/{}/info'.format(path[1], path[2])
            if (os.path.exists(existing_template)):
                with open(existing_template) as file:
                    config.read_string(file.read())
            else:
                config.read_string(template)

            def read_reg(key, expected_type):
                def read_reg_actual(key, expected_type):
                    actual_type, content = dump[section]['"{}"'.format(key)].split(':', 1)
                    if expected_type == 'hex16':
                        assert actual_type == 'hex'
                        content = content.split(',')
                        assert len(content) == 16
                        return ''.join(content).upper()
                    if expected_type == 'qword':
                        assert actual_type == 'hex(b)'
                        content = content.split(',')
                        assert len(content) == 8
                        return str(int(''.join(content[::-1]), 16))
                    if expected_type == 'dword':
                        assert actual_type == expected_type
                        return str(int(content, 16))
                    assert False
                result = read_reg_actual(key, expected_type)
                if options.verbose:
                    print("{} of type {}: {}".format(key, expected_type, result))
                return result
            config['LongTermKey']['Key'] = read_reg('LTK', 'hex16')
            # KeyLength ignored for now
            config['LongTermKey']['Rand'] = read_reg('ERand', 'qword')
            config['LongTermKey']['EDiv'] = read_reg('EDIV', 'dword')
            config['IdentityResolvingKey']['Key'] = read_reg('IRK', 'hex16')
            if '"CSRK"' in dump[section]:
                config['LocalSignatureKey']['Key'] = read_reg('CSRK', 'hex16')
            output_dir = os.path.join(options.output, path[1], path[2])
            os.makedirs(output_dir, exist_ok=True)
            with open(os.path.join(output_dir, 'info'), 'w') as file:
                config.write(file, False)
            if options.attributes:
                shutil.copyfile(options.attributes, os.path.join(output_dir, 'attributes'))


if __name__ == "__main__":
    sys.exit(main())
	#!/usr/bin/python3
	"""
	Copyright 2021 Mygod

	Licensed under the Apache License, Version 2.0 (the "License");
	you may not use this file except in compliance with the License.
	You may obtain a copy of the License at

	http://www.apache.org/licenses/LICENSE-2.0

	Unless required by applicable law or agreed to in writing, software
	distributed under the License is distributed on an "AS IS" BASIS,
	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	See the License for the specific language governing permissions and
	limitations under the License.


	What is this: Export your Windows Bluetooth LE keys into Linux!

	Thanks to:
	* http://console.systems/2014/09/how-to-pair-low-energy-le-bluetooth.html
	* https://gist.github.com/corecoding/eac76d3da20c7e427a1848b8aed8e334/revisions#diff-6eeb0d27c24cc10680e8574f75648585

	Usage:

	$ ./export-ble-infos.py <args>
	$ sudo bash -c 'cp -r ./bluetooth /var/lib && service bluetooth force-reload'
	$ rm -r bluetooth
	"""

	import os
	import shutil
	import subprocess
	import sys
	import tempfile

	from configparser import ConfigParser
	from optparse import OptionParser

	default_template = """
	[General]
	Name=Designer Mouse
	Appearance=0x03c2
	AddressType=static
	SupportedTechnologies=LE;
	Trusted=true
	Blocked=false
	Services=00001800-0000-1000-8000-00805f9b34fb;00001801-0000-1000-8000-00805f9b34fb;0000180a-0000-1000-8000-00805f9b34fb;0000180f-0000-1000-8000-00805f9b34fb;00001812-0000-1000-8000-00805f9b34fb;

	[IdentityResolvingKey]
	Key=

	[LocalSignatureKey]
	Key=
	Counter=0
	Authenticated=false

	[LongTermKey]
	Key=
	Authenticated=0
	EncSize=16
	EDiv=
	Rand=

	[DeviceID]
	Source=2
	Vendor=1118
	Product=2053
	Version=272

	[ConnectionParameters]
	MinInterval=6
	MaxInterval=6
	Latency=60
	Timeout=300
	"""


	def main():
	parser = OptionParser()
	parser.add_option("-v", "--verbose", action='store_true', dest='verbose')
	parser.add_option("-s", "--system", dest="system", metavar="FILE",
	default="/mnt/Windows/System32/config/SYSTEM",
	help="SYSTEM file in Windows. Usually at /Windows/System32/config/system.")
	parser.add_option("-k", "--key", dest="key", metavar="KEY",
	default=r"ControlSet001\Services\BTHPORT\Parameters\Keys",
	help="Registry key for BT. [default: %default]")
	parser.add_option("-o", "--output", dest="output", metavar="DIR", default="bluetooth",
	help="Output directory. [default: %default]")
	parser.add_option("-t", "--template", dest="template", metavar="FILE", help="Template file.")
	parser.add_option("-a", "--attributes", dest='attributes', help="Additional attributes file to be copied.")
	options, args = parser.parse_args()

	if options.template:
	with open(options.template) as file:
	template = file.read()
	else:
	template = default_template

	out = tempfile.mktemp(".reg")
	reged = subprocess.Popen(["reged", "-x", options.system, '\\', options.key, out], stdout=sys.stderr)
	reged.wait()
	if reged.returncode:
	return reged.returncode
	dump = ConfigParser()
	with open(out) as file:
	reged_out = file.read()
	if options.verbose:
	print(reged_out)
	dump.read_string(reged_out.split('\n', 1)[1])
	os.unlink(out)

	for section in dump:
	path = section[len(options.key) + 2:].split('\\')
	assert not path[0]
	if len(path) == 3:
	path[1] = ':'.join([path[1][i:i + 2] for i in range(0, len(path[1]), 2)]).upper()
	path[2] = ':'.join([path[2][i:i + 2] for i in range(0, len(path[2]), 2)]).upper()
	print("Dumping {}/{}...".format(path[1], path[2]))
	config = ConfigParser()
	config.optionxform = str

	# See if device has been paired in Linux before
	existing_template = '/var/lib/bluetooth/{}/{}/info'.format(path[1], path[2])
	if (os.path.exists(existing_template)):
	with open(existing_template) as file:
	config.read_string(file.read())
	else:
	config.read_string(template)

	def read_reg(key, expected_type):
	def read_reg_actual(key, expected_type):
	actual_type, content = dump[section]['"{}"'.format(key)].split(':', 1)
	if expected_type == 'hex16':
	assert actual_type == 'hex'
	content = content.split(',')
	assert len(content) == 16
	return ''.join(content).upper()
	if expected_type == 'qword':
	assert actual_type == 'hex(b)'
	content = content.split(',')
	assert len(content) == 8
	return str(int(''.join(content[::-1]), 16))
	if expected_type == 'dword':
	assert actual_type == expected_type
	return str(int(content, 16))
	assert False
	result = read_reg_actual(key, expected_type)
	if options.verbose:
	print("{} of type {}: {}".format(key, expected_type, result))
	return result
	config['LongTermKey']['Key'] = read_reg('LTK', 'hex16')
	# KeyLength ignored for now
	config['LongTermKey']['Rand'] = read_reg('ERand', 'qword')
	config['LongTermKey']['EDiv'] = read_reg('EDIV', 'dword')
	config['IdentityResolvingKey']['Key'] = read_reg('IRK', 'hex16')
	if '"CSRK"' in dump[section]:
	config['LocalSignatureKey']['Key'] = read_reg('CSRK', 'hex16')
	output_dir = os.path.join(options.output, path[1], path[2])
	os.makedirs(output_dir, exist_ok=True)
	with open(os.path.join(output_dir, 'info'), 'w') as file:
	config.write(file, False)
	if options.attributes:
	shutil.copyfile(options.attributes, os.path.join(output_dir, 'attributes'))


	if __name__ == "__main__":
	sys.exit(main())