@ -11,7 +11,7 @@ Example usage:
find . . / path / to / binaries - type f - executable | xargs python3 contrib / devtools / symbol - check . py
'''
import sys
from typing import List
from typing import List , Dict
import lief
@ -63,6 +63,30 @@ IGNORE_EXPORTS = {
' environ ' , ' _environ ' , ' __environ ' ,
}
# Expected linker-loader names can be found here:
# https://sourceware.org/glibc/wiki/ABIList?action=recall&rev=16
ELF_INTERPRETER_NAMES : Dict [ lief . ELF . ARCH , Dict [ lief . ENDIANNESS , str ] ] = {
lief . ELF . ARCH . i386 : {
lief . ENDIANNESS . LITTLE : " /lib/ld-linux.so.2 " ,
} ,
lief . ELF . ARCH . x86_64 : {
lief . ENDIANNESS . LITTLE : " /lib64/ld-linux-x86-64.so.2 " ,
} ,
lief . ELF . ARCH . ARM : {
lief . ENDIANNESS . LITTLE : " /lib/ld-linux-armhf.so.3 " ,
} ,
lief . ELF . ARCH . AARCH64 : {
lief . ENDIANNESS . LITTLE : " /lib/ld-linux-aarch64.so.1 " ,
} ,
lief . ELF . ARCH . PPC64 : {
lief . ENDIANNESS . BIG : " /lib64/ld64.so.1 " ,
lief . ENDIANNESS . LITTLE : " /lib64/ld64.so.2 " ,
} ,
LIEF_ELF_ARCH_RISCV : {
lief . ENDIANNESS . LITTLE : " /lib/ld-linux-riscv64-lp64d.so.1 " ,
} ,
}
# Allowed NEEDED libraries
ELF_ALLOWED_LIBRARIES = {
# bitcoind and bitcoin-qt
@ -215,11 +239,17 @@ def check_PE_subsystem_version(binary) -> bool:
return True
return False
def check_ELF_interpreter ( binary ) - > bool :
expected_interpreter = ELF_INTERPRETER_NAMES [ binary . header . machine_type ] [ binary . abstract . header . endianness ]
return binary . concrete . interpreter == expected_interpreter
CHECKS = {
' ELF ' : [
( ' IMPORTED_SYMBOLS ' , check_imported_symbols ) ,
( ' EXPORTED_SYMBOLS ' , check_exported_symbols ) ,
( ' LIBRARY_DEPENDENCIES ' , check_ELF_libraries )
( ' LIBRARY_DEPENDENCIES ' , check_ELF_libraries ) ,
( ' INTERPRETER_NAME ' , check_ELF_interpreter ) ,
] ,
' MACHO ' : [
( ' DYNAMIC_LIBRARIES ' , check_MACHO_libraries ) ,