Last active
May 6, 2017 00:57
-
-
Save lallousx86/a4dfe6ab6a7dd21608dc294469cf3ec2 to your computer and use it in GitHub Desktop.
Small function to detect the executable type
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#--------------------------------------------------------------------- | |
EXEFLAG_NONE = 0x0000 | |
EXEFLAG_LINUX = 0x0001 | |
EXEFLAG_WINDOWS = 0x0002 | |
EXEFLAG_MACOS = 0x0004 | |
EXEFLAG_MACOS_FAT = 0x0008 | |
EXEFLAG_32BITS = 0x0010 | |
EXEFLAG_64BITS = 0x0020 | |
# Keep signatures sorted by size | |
_EXE_SIGNATURES = ( | |
("\x4D\x5A", EXEFLAG_WINDOWS), | |
("\xCE\xFA\xED\xFE", EXEFLAG_MACOS | EXEFLAG_32BITS), | |
("\xCF\xFA\xED\xFE", EXEFLAG_MACOS | EXEFLAG_64BITS), | |
("\xBE\xBA\xFE\xCA", EXEFLAG_MACOS | EXEFLAG_32BITS | EXEFLAG_MACOS_FAT), | |
("\xBF\xBA\xFE\xCA", EXEFLAG_MACOS | EXEFLAG_64BITS | EXEFLAG_MACOS_FAT), | |
("\x7F\x45\x4C\x46\x01", EXEFLAG_LINUX | EXEFLAG_32BITS), | |
("\x7F\x45\x4C\x46\x02", EXEFLAG_LINUX | EXEFLAG_64BITS) | |
) | |
def get_exeflags(filepath): | |
try: | |
with open(filepath, "rb") as f: | |
buf = "" | |
buf_len = 0 | |
for sig, flags in _EXE_SIGNATURES: | |
sig_len = len(sig) | |
if buf_len < sig_len: | |
buf += f.read(sig_len - buf_len) | |
buf_len = sig_len | |
if buf == sig: | |
return flags | |
except: | |
pass | |
return EXEFLAG_NONE |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment