Files
graphene/Tools/gen_manifest
Li Lei 030a088892 [Tools] Multiple bug fixes of Graphene Secure Container (GSC) tool
- Forward container's LD_LIBRARY_PATH to the generated manifest
- Handle special library names when generating trusted files (libxxx-xxx.so)
- Add more standard files/directories to the generated manifest
2019-08-15 18:12:31 -07:00

127 lines
4.3 KiB
Python
Executable File

#!/usr/bin/env python2
import os
import sys
import subprocess
import re
runtime_libs = ['libc',
'libdl',
'libm',
'libpthread',
'libutil',
'libnss_dns',
'libresolv',
'librt']
def parse_libs(bin_path):
ldd_out = subprocess.check_output(['ldd', bin_path])
lib_list = []
for line in ldd_out.splitlines():
match = re.match(r'\t(.*) => (.*) \(0x', line)
if match and match.group(1) and match.group(2):
name_match = re.match(r'([\w\d]*)(-*)([\w\d]*)(\.*)(.*)', match.group(1))
if name_match:
lib_name = name_match.group(1)
# library can be formatted as libxxx-xxx.so which is invalid format in
# the manifest, so reformat to libxxx_xxx as the option key
if name_match.group(2) == '-' and name_match.group(3):
lib_name += '_' + name_match.group(3)
if lib_name not in runtime_libs:
lib_list.append((lib_name, match.group(2)))
return lib_list
def make_executable(path):
mode = os.stat(path).st_mode
mode |= (mode & 0o444) >> 2 # copy R bits to X
os.chmod(path, mode)
def gen_manifest(app_name, bin_name, g_path):
m_path = g_path + '/LibOS/shim/test/apps/' + app_name + '/' + app_name + '.' + 'manifest'
print('generating manifest: ' + m_path)
mf = open(m_path, 'w')
make_executable(m_path)
mf.write('#!' + g_path + '/Runtime/pal_loader\n')
mf.write('loader.preload = file:../../../../../Runtime/libsysdb.so\n')
# Get path of binary
bin_path = subprocess.check_output(['which', bin_name]).strip()
mf.write('loader.exec = file:' + bin_path + '\n')
mf.write('loader.execname = ' + bin_name + '\n')
mf.write('loader.env.LD_LIBRARY_PATH = /graphene:/graphene/resolv:/host:/usr/local/lib:/usr/lib:/usr/lib/x86_64-linux-gnu')
if 'LD_LIBRARY_PATH' in os.environ and os.environ['LD_LIBRARY_PATH']:
mf.write(':' + os.environ['LD_LIBRARY_PATH'])
mf.write('\n')
mf.write('loader.env.PATH = /usr/local/bin:/usr/bin:/bin\n' +
'loader.env.USERNAME =\n' +
'loader.env.PWD =\n' +
'loader.debug_type = none\n')
mf.write('\n')
# File system setting
mf.write('fs.mount.lib1.type = chroot\n' +
'fs.mount.lib1.path = /graphene\n' +
'fs.mount.lib1.uri = file:../../../../../Runtime\n\n')
mf.write('fs.mount.lib2.type = chroot\n' +
'fs.mount.lib2.path = /host\n' +
'fs.mount.lib2.uri = file:/lib/x86_64-linux-gnu\n\n')
mf.write('fs.mount.bin.type = chroot\n' +
'fs.mount.bin.path = /bin\n' +
'fs.mount.bin.uri = file:/bin\n\n')
mf.write('fs.mount.usr.type = chroot\n' +
'fs.mount.usr.path = /usr\n' +
'fs.mount.usr.uri = file:/usr\n\n')
mf.write('fs.mount.etc.type = chroot\n' +
'fs.mount.etc.path = /etc\n' +
'fs.mount.etc.uri = file:\n\n')
mf.write('fs.mount.opt.type = chroot\n' +
'fs.mount.opt.path = /opt\n' +
'fs.mount.opt.uri = file:\n\n')
# Set Dependent Libraries
mf.write('sgx.trusted_files.ld = file:../../../../../Runtime/ld-linux-x86-64.so.2\n' +
'sgx.trusted_files.libc = file:../../../../../Runtime/libc.so.6\n' +
'sgx.trusted_files.libdl = file:../../../../../Runtime/libdl.so.2\n' +
'sgx.trusted_files.libm = file:../../../../../Runtime/libm.so.6\n' +
'sgx.trusted_files.libpthread = file:../../../../../Runtime/libpthread.so.0\n' +
'sgx.trusted_files.libutil = file:../../../../../Runtime/libutil.so.1\n' +
'sgx.trusted_files.libnss_dns = file:../../../../../Runtime/libnss_dns.so.2\n' +
'sgx.trusted_files.libresolv = file:../../../../../Runtime/libresolv.so.2\n' +
'sgx.trusted_files.librt = file:../../../../../Runtime/librt.so.1\n')
lib_list = parse_libs(bin_path)
for lib_name, lib_path in lib_list:
print('lib name: ' + lib_name)
print('lib path: ' + lib_path)
mf.write('sgx.trusted_files.' + lib_name + ' = file:' + lib_path + '\n')
mf.write('\n')
mf.close()
if __name__ == '__main__':
if len(sys.argv) != 4:
print('Usage: gen_manifest [application name] [actual binary name] [path to graphene]')
print(' e.g. gen_manifest apache httpd /home/me/graphene')
exit(1)
app_name = sys.argv[1]
bin_name = sys.argv[2]
g_path = sys.argv[3]
gen_manifest(app_name, bin_name, g_path)