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29 lines
806 B
29 lines
806 B
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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// TODO(#8502): add support for more architectures
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//go:build linux && (arm64 || amd64)
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package linuxfw
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import (
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"tailscale.com/types/logger"
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)
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// DebugNetfilter prints debug information about iptables rules to the
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// provided log function.
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func DebugIptables(logf logger.Logf) error {
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// unused.
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return nil
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}
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// DetectIptables returns the number of iptables rules that are present in the
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// system, ignoring the default "ACCEPT" rule present in the standard iptables
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// chains.
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//
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// It only returns an error when the kernel returns an error (i.e. when a
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// syscall fails); when there are no iptables rules, it is valid for this
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// function to return 0, nil.
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func DetectIptables() (int, error) {
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panic("unused")
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}
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