forked from coolrepo99/unlocker
/
unlocker.py
executable file
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unlocker.py
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#!/usr/bin/env python
"""
The MIT License (MIT)
Copyright (c) 2014-2016 Dave Parsons & Sam Bingner
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the 'Software'), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
vSMC Header Structure
Offset Length Struct Type Description
----------------------------------------
0x00/00 0x08/08 Q ptr Offset to key table
0x08/08 0x04/4 I int Number of private keys
0x0C/12 0x04/4 I int Number of public keys
vSMC Key Data Structure
Offset Length Struct Type Description
----------------------------------------
0x00/00 0x04/04 4s int Key name (byte reversed e.g. #KEY is YEK#)
0x04/04 0x01/01 B byte Length of returned data
0x05/05 0x04/04 4s int Data type (byte reversed e.g. ui32 is 23iu)
0x09/09 0x01/01 B byte Flag R/W
0x0A/10 0x06/06 6x byte Padding
0x10/16 0x08/08 Q ptr Internal VMware routine
0x18/24 0x30/48 48B byte Data
"""
from __future__ import print_function
import codecs
import os
import sys
import struct
import subprocess
if sys.version_info < (2, 7):
sys.stderr.write('You need Python 2.7 or later\n')
sys.exit(1)
# Setup imports depending on whether IronPython or CPython
if sys.platform == 'win32' \
or sys.platform == 'cli':
from _winreg import *
def bytetohex(data):
if sys.version_info > (3, 0):
# Python 3 code in this block
return "".join("{:02X} ".format(c) for c in data)
else:
# Python 2 code in this block
return "".join("{:02X} ".format(ord(c)) for c in data)
def joinpath(folder, filename):
return os.path.join(folder, filename)
def printkey(i, offset, smc_key, smc_data):
print(str(i + 1).zfill(3)
+ ' ' + hex(offset)
+ ' ' + smc_key[0][::-1].decode('UTF-8')
+ ' ' + str(smc_key[1]).zfill(2)
+ ' ' + smc_key[2][::-1].replace(b'\x00', b' ').decode('UTF-8')
+ ' ' + '{0:#0{1}x}'.format(smc_key[3], 4)
+ ' ' + hex(smc_key[4])
+ ' ' + bytetohex(smc_data))
def set_bit(value, bit):
return value | (1 << bit)
def clear_bit(value, bit):
return value & ~(1 << bit)
def test_bit(value, bit):
return value & bit
E_CLASS64 = 2
E_SHT_RELA = 4
def patchelf(f, oldoffset, newoffset):
f.seek(0)
magic = f.read(4)
if not magic == b'\x7fELF':
raise Exception('Magic number does not match')
ei_class = struct.unpack('=B', f.read(1))[0]
if ei_class != E_CLASS64:
raise Exception('Not 64bit elf header: ' + ei_class)
f.seek(40)
e_shoff = struct.unpack('=Q', f.read(8))[0]
f.seek(58)
e_shentsize = struct.unpack('=H', f.read(2))[0]
e_shnum = struct.unpack('=H', f.read(2))[0]
e_shstrndx = struct.unpack('=H', f.read(2))[0]
print('e_shoff: 0x{:x} e_shentsize: 0x{:x} e_shnum:0x{:x} e_shstrndx:0x{:x}'.format(e_shoff, e_shentsize,
e_shnum, e_shstrndx))
for i in range(0, e_shnum):
f.seek(e_shoff + i * e_shentsize)
e_sh = struct.unpack('=LLQQQQLLQQ', f.read(e_shentsize))
# e_sh_name = e_sh[0]
e_sh_type = e_sh[1]
e_sh_offset = e_sh[4]
e_sh_size = e_sh[5]
e_sh_entsize = e_sh[9]
if e_sh_type == E_SHT_RELA:
e_sh_nument = int(e_sh_size / e_sh_entsize)
# print 'RELA at 0x{:x} with {:d} entries'.format(e_sh_offset, e_sh_nument)
for j in range(0, e_sh_nument):
f.seek(e_sh_offset + e_sh_entsize * j)
rela = struct.unpack('=QQq', f.read(e_sh_entsize))
r_offset = rela[0]
r_info = rela[1]
r_addend = rela[2]
if r_addend == oldoffset:
r_addend = newoffset
f.seek(e_sh_offset + e_sh_entsize * j)
f.write(struct.pack('=QQq', r_offset, r_info, r_addend))
print('Relocation modified at: ' + hex(e_sh_offset + e_sh_entsize * j))
def patchkeys(f, key):
# Setup struct pack string
key_pack = '=4sB4sB6xQ'
# smc_old_memptr = 0
smc_new_memptr = 0
# Do Until OSK1 read
i = 0
while True:
# Read key into struct str and data byte str
offset = key + (i * 72)
f.seek(offset)
smc_key = struct.unpack(key_pack, f.read(24))
smc_data = f.read(smc_key[1])
# Reset pointer to beginning of key entry
f.seek(offset)
if smc_key[0] == b'SKL+':
# Use the +LKS data routine for OSK0/1
smc_new_memptr = smc_key[4]
print('+LKS Key: ')
printkey(i, offset, smc_key, smc_data)
elif smc_key[0] == b'0KSO':
# Write new data routine pointer from +LKS
print('OSK0 Key Before:')
printkey(i, offset, smc_key, smc_data)
# smc_old_memptr = smc_key[4]
f.seek(offset)
f.write(struct.pack(key_pack, smc_key[0], smc_key[1], smc_key[2], smc_key[3], smc_new_memptr))
f.flush()
# Write new data for key
f.seek(offset + 24)
smc_new_data = codecs.encode('bheuneqjbexolgurfrjbeqfthneqrqcy', 'rot_13')
f.write(smc_new_data.encode('UTF-8'))
f.flush()
# Re-read and print key
f.seek(offset)
smc_key = struct.unpack(key_pack, f.read(24))
smc_data = f.read(smc_key[1])
print('OSK0 Key After:')
printkey(i, offset, smc_key, smc_data)
elif smc_key[0] == b'1KSO':
# Write new data routine pointer from +LKS
print('OSK1 Key Before:')
printkey(i, offset, smc_key, smc_data)
smc_old_memptr = smc_key[4]
f.seek(offset)
f.write(struct.pack(key_pack, smc_key[0], smc_key[1], smc_key[2], smc_key[3], smc_new_memptr))
f.flush()
# Write new data for key
f.seek(offset + 24)
smc_new_data = codecs.encode('rnfrqbagfgrny(p)NccyrPbzchgreVap', 'rot_13')
f.write(smc_new_data.encode('UTF-8'))
f.flush()
# Re-read and print key
f.seek(offset)
smc_key = struct.unpack(key_pack, f.read(24))
smc_data = f.read(smc_key[1])
print('OSK1 Key After:')
printkey(i, offset, smc_key, smc_data)
# Finished so get out of loop
break
else:
pass
i += 1
return smc_old_memptr, smc_new_memptr
def patchsmc(name, sharedobj):
with open(name, 'r+b') as f:
smc_old_memptr = 0
smc_new_memptr = 0
# Read file into string variable
vmx = f.read()
print('File: ' + name)
# Setup hex string for vSMC headers
# These are the private and public key counts
smc_header_v0 = b'\xF2\x00\x00\x00\xF0\x00\x00\x00'
smc_header_v1 = b'\xB4\x01\x00\x00\xB0\x01\x00\x00'
# Setup hex string for #KEY key
key_key = b'\x59\x45\x4B\x23\x04\x32\x33\x69\x75'
# Setup hex string for $Adr key
adr_key = b'\x72\x64\x41\x24\x04\x32\x33\x69\x75'
# Find the vSMC headers
smc_header_v0_offset = vmx.find(smc_header_v0) - 8
smc_header_v1_offset = vmx.find(smc_header_v1) - 8
# Find '#KEY' keys
smc_key0 = vmx.find(key_key)
smc_key1 = vmx.rfind(key_key)
# Find '$Adr' key only V1 table
smc_adr = vmx.find(adr_key)
# Print vSMC0 tables and keys
print('appleSMCTableV0 (smc.version = "0")')
print('appleSMCTableV0 Address : ' + hex(smc_header_v0_offset))
print('appleSMCTableV0 Private Key #: 0xF2/242')
print('appleSMCTableV0 Public Key #: 0xF0/240')
if (smc_adr - smc_key0) != 72:
print('appleSMCTableV0 Table : ' + hex(smc_key0))
smc_old_memptr, smc_new_memptr = patchkeys(f, smc_key0)
elif (smc_adr - smc_key1) != 72:
print('appleSMCTableV0 Table : ' + hex(smc_key1))
smc_old_memptr, smc_new_memptr = patchkeys(f, smc_key1)
print()
# Print vSMC1 tables and keys
print('appleSMCTableV1 (smc.version = "1")')
print('appleSMCTableV1 Address : ' + hex(smc_header_v1_offset))
print('appleSMCTableV1 Private Key #: 0x01B4/436')
print('appleSMCTableV1 Public Key #: 0x01B0/432')
if (smc_adr - smc_key0) == 72:
print('appleSMCTableV1 Table : ' + hex(smc_key0))
smc_old_memptr, smc_new_memptr = patchkeys(f, smc_key0)
elif (smc_adr - smc_key1) == 72:
print('appleSMCTableV1 Table : ' + hex(smc_key1))
smc_old_memptr, smc_new_memptr = patchkeys(f, smc_key1)
print()
# Find matching RELA record in .rela.dyn in ESXi ELF files
# This is temporary code until proper ELF parsing written
if sharedobj:
print('Modifying RELA records from: ' + hex(smc_old_memptr) + ' to ' + hex(smc_new_memptr))
patchelf(f, smc_old_memptr, smc_new_memptr)
# Tidy up
f.flush()
f.close()
def patchbase(name):
# Patch file
print('GOS Patching: ' + name)
f = open(name, 'r+b')
# Entry to search for in GOS table
# Should work for 12 & 14 of Workstation...
darwin = (
'\x10\x00\x00\x00\x10\x00\x00\x00'
'\x02\x00\x00\x00\x00\x00\x00\x00'
'\x00\x00\x00\x00\x00\x00\x00\x00'
'\x00\x00\x00\x00\x00\x00\x00\x00'
)
# Read file into string variable
base = f.read()
# Loop through each entry and set top bit
# 0xBE --> 0xBF (WKS 12)
# 0x3E --> 0x3F (WKS 14)
offset = 0
while offset < len(base):
offset = base.find(darwin, offset)
if offset == -1:
break
f.seek(offset + 32)
flag = ord(f.read(1))
flag = set_bit(flag, 0)
flag = chr(flag)
f.seek(offset + 31)
f.write(flag)
print('GOS Patched flag @: ' + hex(offset))
offset += 33
# Tidy up
f.flush()
f.close()
print('GOS Patched: ' + name)
def patchvmkctl(name):
# Patch file
print('smcPresent Patching: ' + name)
f = open(name, 'r+b')
# Read file into string variable
vmkctl = f.read()
applesmc = vmkctl.find(b'applesmc')
f.seek(applesmc)
f.write(b'vmkernel')
# Tidy up
f.flush()
f.close()
print('smcPresent Patched: ' + name)
def main():
# Work around absent Platform module on VMkernel
if os.name == 'nt' or os.name == 'cli':
osname = 'windows'
else:
osname = os.uname()[0].lower()
vmwarebase = ''
libvmkctl32 = ''
libvmkctl64 = ''
vmx_so = False
# Setup default paths
if osname == 'darwin':
vmx_path = '/Applications/VMware Fusion.app/Contents/Library/'
vmx = joinpath(vmx_path, 'vmware-vmx')
vmx_debug = joinpath(vmx_path, 'vmware-vmx-debug')
vmx_stats = joinpath(vmx_path, 'vmware-vmx-stats')
elif osname == 'linux':
vmx_path = '/usr/lib/vmware/bin/'
vmx = joinpath(vmx_path, 'vmware-vmx')
vmx_debug = joinpath(vmx_path, 'vmware-vmx-debug')
vmx_stats = joinpath(vmx_path, 'vmware-vmx-stats')
vmx_version = subprocess.check_output(["vmplayer", "-v"])
if vmx_version.startswith('VMware Player 12'):
vmx_so = True
vmwarebase = '/usr/lib/vmware/lib/libvmwarebase.so/libvmwarebase.so'
else:
vmwarebase = '/usr/lib/vmware/lib/libvmwarebase.so.0/libvmwarebase.so.0'
elif osname == 'vmkernel':
vmx_path = os.path.dirname(os.path.abspath(__file__))
vmx = joinpath(vmx_path, '/unlocker/bin/vmx')
vmx_debug = joinpath(vmx_path, '/unlocker/bin/vmx-debug')
vmx_stats = joinpath(vmx_path, '/unlocker/bin/vmx-stats')
vmx_so = True
libvmkctl32 = joinpath(vmx_path, '/unlocker/lib/libvmkctl.so')
libvmkctl64 = joinpath(vmx_path, '/unlocker/lib64/libvmkctl.so')
elif osname == 'windows':
reg = ConnectRegistry(None, HKEY_LOCAL_MACHINE)
key = OpenKey(reg, r'SOFTWARE\Wow6432Node\VMware, Inc.\VMware Workstation')
vmwarebase_path = QueryValueEx(key, 'InstallPath')[0]
vmx_path = QueryValueEx(key, 'InstallPath64')[0]
vmx = joinpath(vmx_path, 'vmware-vmx.exe')
vmx_debug = joinpath(vmx_path, 'vmware-vmx-debug.exe')
vmx_stats = joinpath(vmx_path, 'vmware-vmx-stats.exe')
vmwarebase = joinpath(vmwarebase_path, 'vmwarebase.dll')
else:
print('Unknown Operating System: ' + osname)
return
# Patch the vmx executables skipping stats version for Player
patchsmc(vmx, vmx_so)
patchsmc(vmx_debug, vmx_so)
if os.path.isfile(vmx_stats):
patchsmc(vmx_stats, vmx_so)
# Patch vmwarebase for Workstation and Player
# Not required on Fusion or ESXi as table already has correct flags
if vmwarebase != '':
patchbase(vmwarebase)
else:
print('Patching vmwarebase is not required on this system')
# Now using sed in the local.sh script
if osname == 'vmkernel':
# Patch ESXi 6.0 and 6.5 32 bit .so
patchvmkctl(libvmkctl32)
# Patch ESXi 6.5 64 bit .so
if os.path.isfile(libvmkctl64):
patchvmkctl(libvmkctl64)
if __name__ == '__main__':
main()