Files
python-bpf/examples/execve3.py
2025-09-11 02:37:28 +05:30

60 lines
1.2 KiB
Python

from pythonbpf import bpf, map, section, bpfglobal, compile
from pythonbpf.helpers import ktime
from pythonbpf.maps import HashMap
from ctypes import c_void_p, c_int64, c_int32, c_uint64
@bpf
@map
def last() -> HashMap:
return HashMap(key_type=c_uint64, value_type=c_uint64, max_entries=3)
@bpf
@section("tracepoint/syscalls/sys_enter_execve")
def hello(ctx: c_void_p) -> c_int32:
print("entered")
print("multi constant support")
return c_int32(0)
@bpf
@section("tracepoint/syscalls/sys_exit_execve")
def hello_again(ctx: c_void_p) -> c_int64:
print("exited")
key = 0
tsp = last().lookup(key)
# if tsp:
# delta = (bpf_ktime_get_ns() - tsp.value)
# if delta < 1000000000:
# print("execve called within last second")
# last().delete(key)
x = 1
y = False
if x > 0:
if x < 2:
print("we prevailed")
else:
print("we did not prevail")
ts = ktime()
last().update(key, ts)
st = "st"
last().update(key, ts)
keena = 2 + 1
# below breaks
# keela = keena + 1
keema = 8 * 9
keesa = 10 - 11
keeda = 10 / 5
return c_int64(0)
@bpf
@bpfglobal
def LICENSE() -> str:
return "GPL"
compile()