if __name__ == '__main__':
parser = OptionParser()
parser.add_option('-H', '--hashes', dest='hashes', action='store_true', default=False, help='print the actual hashes')
parser.add_option('', '--verify-hashes', dest='verify_hashes', action='store_true', default=False, help='and verify them')
parser.add_option('-c', '--certs', dest='certs', default=None, help='save the certificates blob (DER-encoded PKCS#7) to a file')
options, args = parser.parse_args()
filename = args[0]
should_print = not options.verify_hashes
if not options.hashes:
macho_cs.Hashes_ = construct.OnDemand(macho_cs.Hashes_)
f = open(filename, 'rb')
odata = construct_try(lambda: macho.InputFile.parse_stream(f)).data
try:
data = odata.FatArch[0].MachO
except:
data = odata
def do_blob(sblob):
if should_print:
print sblob
if options.certs:
try:
for blob in sblob.data.BlobIndex:
if blob.blob.magic == 'CSMAGIC_BLOBWRAPPER':
open(options.certs, 'wb').write(blob.blob.data.data.value)
break
except:
),
# program header table
Rename("program_table",
Pointer(lambda ctx: ctx.ph_offset,
Array(lambda ctx: ctx.ph_count,
elf_program_header
)
)
),
# section table
Rename("sections",
Pointer(lambda ctx: ctx.sh_offset,
Array(lambda ctx: ctx.sh_count,
elf_section_header
)
)
),
)
if __name__ == "__main__":
import sys
from construct_try import construct_try
obj = construct_try(lambda: elf_file.parse_stream(open(sys.argv[1], "rb")))
print obj
#[s.data.value for s in obj.sections if s.data is not None]
#print obj
UInt16("strtab_section_index"),
# calculate the string table data offset (pointer arithmetics)
# ugh... anyway, we need it in order to read the section names, later on
Pointer(
lambda ctx: ctx.sh_offset + ctx.strtab_section_index * ctx.
sh_entry_size + (24 if sixtyfour_bit else 16),
UInt32("strtab_data_offset"),
),
# program header table
Rename(
"program_table",
Pointer(lambda ctx: ctx.ph_offset,
Array(lambda ctx: ctx.ph_count, elf_program_header))),
# section table
Rename(
"sections",
Pointer(lambda ctx: ctx.sh_offset,
Array(lambda ctx: ctx.sh_count, elf_section_header))),
)
if __name__ == "__main__":
import sys
from construct_try import construct_try
obj = construct_try(lambda: elf_file.parse_stream(open(sys.argv[1], "rb")))
print obj
#[s.data.value for s in obj.sections if s.data is not None]
#print obj
dest='hashes',
action='store_true',
default=False,
help='print the actual hashes')
parser.add_option(
'-c',
'--certs',
dest='certs',
default=None,
help='save the certificates blob (DER-encoded PKCS#7) to a file')
options, args = parser.parse_args()
filename = args[0]
if not options.hashes:
macho_cs.Hashes_ = construct.Struct('Hashes')
f = open(filename, 'rb')
data = construct_try(lambda: macho.MachOOrFat.parse_stream(f))
for cmd in data.data.commands:
if cmd.cmd == 'LC_CODE_SIGNATURE':
print cmd
if options.certs:
try:
for blob in cmd.data.blob.data.BlobIndex:
if blob.blob.magic == 'CSMAGIC_BLOBWRAPPER':
open(options.certs,
'wb').write(blob.blob.data.data.value)
break
except:
pass
parser.add_option(
'-c',
'--certs',
dest='certs',
default=None,
help='save the certificates blob (DER-encoded PKCS#7) to a file')
options, args = parser.parse_args()
filename = args[0]
should_print = not options.verify_hashes
if not options.hashes:
macho_cs.Hashes_ = construct.OnDemand(macho_cs.Hashes_)
f = open(filename, 'rb')
odata = construct_try(lambda: macho.InputFile.parse_stream(f)).data
try:
data = odata.FatArch[0].MachO
except:
data = odata
def do_blob(sblob):
if should_print:
print sblob
if options.certs:
try:
for blob in sblob.data.BlobIndex:
if blob.blob.magic == 'CSMAGIC_BLOBWRAPPER':
open(options.certs,
'wb').write(blob.blob.data.data.value)
break
import sys, os, re
from optparse import OptionParser
import macho, macho_cs
import construct
from construct_try import construct_try
if __name__ == '__main__':
parser = OptionParser()
parser.add_option('-H', '--hashes', dest='hashes', action='store_true', default=False, help='print the actual hashes')
parser.add_option('-c', '--certs', dest='certs', default=None, help='save the certificates blob (DER-encoded PKCS#7) to a file')
options, args = parser.parse_args()
filename = args[0]
if not options.hashes:
macho_cs.Hashes_ = construct.Struct('Hashes')
f = open(filename, 'rb')
data = construct_try(lambda: macho.MachOOrFat.parse_stream(f))
for cmd in data.data.commands:
if cmd.cmd == 'LC_CODE_SIGNATURE':
print cmd
if options.certs:
try:
for blob in cmd.data.blob.data.BlobIndex:
if blob.blob.magic == 'CSMAGIC_BLOBWRAPPER':
open(options.certs, 'wb').write(blob.blob.data.data.value)
break
except:
pass
