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106 lines
2.3 KiB
Python
106 lines
2.3 KiB
Python
"""
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This file should consist of global test fixtures.
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"""
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from __future__ import annotations
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import os
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import subprocess
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import sys
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import gdb
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import pytest
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from pwn import context
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from pwn import make_elf_from_assembly
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_start_binary_called = False
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QEMU_PORT = os.environ.get("QEMU_PORT")
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@pytest.fixture
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def qemu_assembly_run():
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"""
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Returns function that launches given binary with 'starti' command
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The `path` is returned from `make_elf_from_assembly` (provided by pwntools)
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"""
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qemu: subprocess.Popen = None
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if QEMU_PORT is None:
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print("'QEMU_PORT' environment variable not set")
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sys.stdout.flush()
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os._exit(1)
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def _start_binary(asm: str, arch: str, *args):
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nonlocal qemu
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context.arch = arch
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binary_tmp_path = make_elf_from_assembly(asm)
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qemu = subprocess.Popen(
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[
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f"qemu-{arch}",
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"-g",
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f"{QEMU_PORT}",
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f"{binary_tmp_path}",
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]
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)
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gdb.execute(f"target remote :{QEMU_PORT}")
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gdb.execute("set exception-verbose on")
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global _start_binary_called
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# if _start_binary_called:
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# raise Exception('Starting more than one binary is not supported in pwndbg tests.')
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_start_binary_called = True
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yield _start_binary
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qemu.kill()
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@pytest.fixture
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def qemu_start_binary():
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"""
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Returns function that launches given binary with 'starti' command
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Argument `path` is the path to the binary
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"""
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qemu: subprocess.Popen = None
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if QEMU_PORT is None:
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print("'QEMU_PORT' environment variable not set")
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sys.stdout.flush()
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os._exit(1)
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def _start_binary(path: str, arch: str, *args):
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nonlocal qemu
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qemu = subprocess.Popen(
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[
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f"qemu-{arch}",
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"-L",
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f"/usr/{arch}-linux-gnu/",
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"-g",
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f"{QEMU_PORT}",
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f"{path}",
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]
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)
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gdb.execute(f"target remote :{QEMU_PORT}")
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gdb.execute("set exception-verbose on")
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global _start_binary_called
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# if _start_binary_called:
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# raise Exception('Starting more than one binary is not supported in pwndbg tests.')
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_start_binary_called = True
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yield _start_binary
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qemu.kill()
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