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def finger

bend-osdev-bpf@0.1.0.0 · LAWS.bend:136

import bend-osdev-bpf@0.1.0.0/LAWS.bend as LAWS
import Base
import bend-osdev-bpf@0.1.0.0/insn.bend as I

136# bpf(4): accept TCP finger packets (port 79), skipping IP fragments, with
137# the IP header length from BPF_LDX | BPF_MSH
138def finger() -> List<&2, I.BpfOp>:
139  [I.BpfLdAbs{I.BpfH{}, 12}, I.BpfJmp{I.BpfJeq{}, I.BpfK{2048}, 0, 10}, I.BpfLdAbs{I.BpfB{}, 23}, I.BpfJmp{I.BpfJeq{}, I.BpfK{6}, 0, 8}, I.BpfLdAbs{I.BpfH{}, 20}, I.BpfJmp{I.BpfJset{}, I.BpfK{8191}, 6, 0}, I.BpfLdxMsh{14}, I.BpfLdInd{I.BpfH{}, 14}, I.BpfJmp{I.BpfJeq{}, I.BpfK{79}, 2, 0}, I.BpfLdInd{I.BpfH{}, 16}, I.BpfJmp{I.BpfJeq{}, I.BpfK{79}, 0, 1}, I.BpfRet{I.BpfRetK{4294967295}}, I.BpfRet{I.BpfRetK{0}}]

Uses (6)

Used by (8)