pwndbg/tests/test_memory.py

31 lines
1010 B
Python

import pwndbg.gdblib.memory
import pwndbg.stack
import tests
REFERENCE_BINARY = tests.binaries.get("reference-binary.out")
def test_memory_read_write(start_binary):
"""
Tests simple pwndbg's memory read/write operations with different argument types
"""
start_binary(REFERENCE_BINARY)
stack_addr = next(iter(pwndbg.stack.stacks.values())).vaddr
# Testing write(addr, str)
val = "X" * 50
pwndbg.gdblib.memory.write(stack_addr, val)
assert pwndbg.gdblib.memory.read(stack_addr, len(val) + 1) == bytearray(b"X" * 50 + b"\x00")
# Testing write(addr, bytearray)
val = bytearray("Y" * 10, "utf8")
pwndbg.gdblib.memory.write(stack_addr, val)
assert pwndbg.gdblib.memory.read(stack_addr, len(val) + 4) == val + bytearray(b"XXXX")
# Testing write(addr, bytes)
val = bytes("Z" * 8, "utf8")
pwndbg.gdblib.memory.write(stack_addr, val)
assert pwndbg.gdblib.memory.read(stack_addr, len(val) + 4) == bytearray(
"Z" * 8 + "YYXX", "utf8"
)