1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
#
# Copyright (C) 2020-2024 Soleta Networks <info@soleta.eu>
#
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the
# Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
import subprocess
import shutil
import logging
import hivex
import shlex
from src.log import OgError
from src.utils.grub import install_main_grub, install_linux_grub
from src.utils.bcd import update_bcd
from src.utils.probe import *
from src.utils.disk import *
from src.utils.winreg import *
from src.utils.fs import *
from src.utils.uefi import *
from src.utils.fstab import *
from socket import gethostname
CONFIGUREOS_LEGACY_ENABLED = False
def set_windows_hostname(disk, partition, name):
logging.info(f'Setting Windows hostname to {name}')
if len(name) > 15:
logging.warning(f'Windows does not permit hostnames that exceed 15 characters. Truncating {name}')
name = name[0:15]
byte_name = name.encode(WINDOWS_HIVE_ENCODING)
device = get_partition_device(disk, partition)
mountpoint = device.replace('dev', 'mnt')
if not mount_mkdir(device, mountpoint):
raise OgError(f'Unable to mount {device} into {mountpoint}')
try:
hive_path = mountpoint + WINDOWS_HIVE_SYSTEM
hive = hive_handler_open(hive_path, write=True)
root = hive.root()
select_node = get_node_child_from_path(hive, root, 'Select')
current_control_set_number = get_value_from_node(hive, select_node, 'Current')
control_set = f'ControlSet{current_control_set_number:03}'
computer_name_node = get_node_child_from_path(hive, root, f'{control_set}/Control/ComputerName/ComputerName')
name_value = {'key': 'ComputerName', 't': RegistryType.SZ.value, 'value': byte_name}
hive.node_set_value(computer_name_node, name_value)
parameters_node = get_node_child_from_path(hive, root, f'{control_set}/Services/Tcpip/Parameters')
hostname_value = {'key': 'HostName', 't': RegistryType.SZ.value, 'value': byte_name}
hive.node_set_value(parameters_node, hostname_value)
nvhostname_value = {'key': 'NV Hostname', 't': RegistryType.SZ.value, 'value': byte_name}
hive.node_set_value(parameters_node, nvhostname_value)
hive.commit(hive_path)
except Exception as e:
raise OgError(f'Unable to set Windows hostname: {e}') from e
finally:
umount(mountpoint)
def set_linux_hostname(disk, partition, name):
logging.info(f'Setting Linux hostname to {name}')
if len(name) > 64:
logging.warning(f'Linux does not permit hostnames that exceed 64 characters. Truncating {name}')
name = name[0:64]
device = get_partition_device(disk, partition)
mountpoint = device.replace('dev', 'mnt')
if not mount_mkdir(device, mountpoint):
raise OgError(f'Unable to mount {device} into {mountpoint}')
try:
hostname_path = f'{mountpoint}/etc/hostname'
with open(hostname_path, 'w') as f:
f.write(name)
except OSError as e:
raise OgError(f'Unable to set Linux hostname: {e}') from e
finally:
umount(mountpoint)
def configure_os_custom(disk, partition):
command_path = shutil.which('configureOsCustom')
if not command_path:
raise OgError('configureOsCustom not found')
logging.info(f'Found configureOsCustom script, invoking it...')
cmd_configure = f"{command_path} {disk} {partition}"
proc = subprocess.run(shlex.split(cmd_configure),
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL,
encoding='utf-8',
check=True)
if proc.returncode != 0:
logging.warning(f'{cmd_configure} returned non-zero exit status {proc.returncode}')
def windows_register_c_drive(disk, partition):
device = get_partition_device(disk, partition)
mountpoint = device.replace('dev', 'mnt')
if not mount_mkdir(device, mountpoint):
raise OgError(f'Unable to mount {device} into {mountpoint}')
hive_path = f'{mountpoint}{WINDOWS_HIVE_SYSTEM}'
try:
hive = hive_handler_open(hive_path, write=True)
root = hive.root()
device_node = get_node_child_from_path(hive, root, 'MountedDevices')
if is_uefi_supported():
part_id = get_part_id_bytes(disk, partition)
value = b'DMIO:ID:' + part_id
else:
disk_id = get_disk_id_bytes(disk)
part_offset = get_part_id_bytes(disk, partition)
value = bytes(disk_id + part_offset)
device_value = {'key': '\DosDevices\C:', 't': RegistryType.BINARY.value, 'value': value}
hive.node_set_value(device_node, device_value)
hive.commit(hive_path)
finally:
umount(mountpoint)
def configure_fstab(disk, partition):
logging.info(f'Configuring /etc/fstab')
device = get_partition_device(disk, partition)
mountpoint = device.replace('dev', 'mnt')
if not mount_mkdir(device, mountpoint):
raise OgError(f'Unable to mount {device} into {mountpoint}')
try:
update_fstab(disk, partition, mountpoint)
finally:
umount(mountpoint)
def configure_os_linux(disk, partition):
hostname = gethostname()
set_linux_hostname(disk, partition, hostname)
configure_fstab(disk, partition)
install_linux_grub(disk, partition)
if is_uefi_supported():
_, _, esp_part_number = get_efi_partition(disk, enforce_gpt=True)
install_main_grub()
def configure_os_windows(disk, partition):
hostname = gethostname()
set_windows_hostname(disk, partition, hostname)
if is_uefi_supported():
restore_windows_efi_bootloader(disk, partition)
_, _, esp_part_number = get_efi_partition(disk, enforce_gpt=True)
install_main_grub()
update_bcd(disk, partition)
windows_register_c_drive(disk, partition)
def configure_os_legacy(disk, partition):
cmd_configure = f"configureOs {disk} {partition}"
try:
proc = subprocess.run(cmd_configure,
stdout=subprocess.PIPE,
encoding='utf-8',
shell=True,
check=True)
out = proc.stdout
except OSError as e:
raise OgError(f'Error processing configureOs: {e}') from e
def configure_os(disk, partition):
if CONFIGUREOS_LEGACY_ENABLED:
configure_os_legacy(disk, partition)
if shutil.which('configureOsCustom'):
configure_os_custom(disk, partition)
return
device = get_partition_device(disk, partition)
mountpoint = device.replace('dev', 'mnt')
logging.info(f'Configuring OS at {device}...')
if not mount_mkdir(device, mountpoint):
raise OgError(f'Cannot probe OS family. Unable to mount {device} into {mountpoint}')
os_family = get_os_family(mountpoint)
umount(mountpoint)
if os_family == OSFamily.WINDOWS:
configure_os_windows(disk, partition)
elif os_family == OSFamily.LINUX:
configure_os_linux(disk, partition)
if shutil.which('configureOsCustom'):
configure_os_custom(disk, partition)
|
