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For DSYM files, don't load any segments except __DWARF #24

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Merged
merged 1 commit into from
Jan 6, 2020
Merged

For DSYM files, don't load any segments except __DWARF #24

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22 changes: 20 additions & 2 deletions filebytes/mach_o.py
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,19 @@
from binascii import hexlify
############# MachO General ######################

class MH(Enum):
OBJECT = 0x1
EXECUTE = 0x2
FVMLIB = 0x3
CORE = 0x4
PRELOAD = 0x5
DYLIB = 0x6
DYLINKER = 0x7
BUNDLE = 0x8
DYLIB_STUB = 0x9
DSYM = 0xa
KEXT_BUNDLE = 0xb

class VM_PROT(Enum):
READ = 0x1
WRITE = 0x2
Expand Down Expand Up @@ -519,8 +532,13 @@ def __parseSections(self, data, segment, offset):
else:
offset += sizeof(self._classes.Section)

raw = (c_ubyte * sec.size).from_buffer(data, sec.offset)
sections.append(SectionData(header=sec, name=sec.sectname.decode('ASCII'),bytes=bytearray(raw), raw=raw))
if self.machHeader.header.filetype != MH.DSYM or segment.segname == "__DWARF":
raw = bytearray((c_ubyte * sec.size).from_buffer(data, sec.offset))
bytes = bytearray(raw)
else:
raw = None
bytes = None
sections.append(SectionData(header=sec, name=sec.sectname.decode('ASCII'), bytes=bytes, raw=raw))

return sections

Expand Down