def ql_syscall_execve(ql: Qiling, pathname: int, argv: int, envp: int):
file_path = ql.os.utils.read_cstring(pathname)
real_path = ql.os.path.transform_to_real_path(file_path)
def __read_str_array(addr: int) -> Iterator[str]:
if addr:
while True:
elem = ql.mem.read_ptr(addr)
if elem == 0:
break
yield ql.os.utils.read_cstring(elem)
addr += ql.pointersize
args = [s for s in __read_str_array(argv)]
env = {}
for s in __read_str_array(envp):
k, _, v = s.partition('=')
env[k] = v
ql.emu_stop()
ql.log.debug(
f'execve({file_path}, [{", ".join(args)}], [{", ".join(f"{k}={v}" for k, v in env.items())}])'
)
ql.loader.argv = args
ql.loader.env = env
ql._path = real_path
ql.mem.map_info = []
ql.clear_ql_hooks()
# Clean debugger to prevent port conflicts
ql.debugger = None
if ql.code:
return
ql._uc = ql.arch.init_uc
QlCoreHooks.__init__(ql, ql._uc)
ql.os.load()
ql.loader.run()
ql.run()
