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https://github.com/varun-r-mallya/Python-BPF.git
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56 lines
1.1 KiB
Python
56 lines
1.1 KiB
Python
from pythonbpf import bpf, map, section, bpfglobal, compile
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from pythonbpf.helpers import ktime, deref
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from pythonbpf.maps import HashMap
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from ctypes import c_void_p, c_int64, c_int32, c_uint64
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@bpf
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@map
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def last() -> HashMap:
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return HashMap(key_type=c_uint64, value_type=c_uint64, max_entries=3)
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@bpf
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@section("tracepoint/syscalls/sys_enter_execve")
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def hello(ctx: c_void_p) -> c_int32:
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print("entered")
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print("multi constant support")
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return c_int32(0)
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@bpf
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@section("tracepoint/syscalls/sys_exit_execve")
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def hello_again(ctx: c_void_p) -> c_int64:
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print("exited")
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key = 0
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delta = 0
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tsp = last().lookup(key)
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if True:
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delta = ktime()
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ddelta = deref(delta)
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if ddelta < 1000000000:
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print("execve called within last second")
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last().delete(key)
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ts = ktime()
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last().update(key, ts)
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va = 8
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nm = 5 ^ va
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al = 6 & 3
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ru = (nm + al) + al
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print(f"this is a variable {ru}")
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# st = "st"
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# last().update(key, ts)
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return c_int64(0)
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@bpf
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@bpfglobal
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def LICENSE() -> str:
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return "GPL"
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compile()
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