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29 lines
1.1 KiB
Bash
Executable File
29 lines
1.1 KiB
Bash
Executable File
#!/bin/sh /etc/rc.common
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# shellcheck shell=dash
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# Keeper for the global internet cut: enforces the auto-revert deadline and
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# re-asserts the rule if the table it lives in is ever taken out from under it.
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#
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# Not enabled at boot on purpose. The cut's engaged state lives in tmpfs, so
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# after a reboot there is normally nothing to keep; the one case that does
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# survive — an operator who ticked "keep after reboot" — is restored from the
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# ifup-lan hotplug, which starts this service itself.
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#
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# No respawn either: the loop is meant to end when the cut does, and a
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# respawning keeper would restart into an empty state forever. If it dies
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# anyway, `trafficctl-cut.sh status` notices and starts a fresh one, and it
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# enforces the deadline itself in the meantime.
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#
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# START/STOP/USE_PROCD are consumed by the sourced /etc/rc.common framework.
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# shellcheck disable=SC2034
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START=95
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STOP=10
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USE_PROCD=1
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start_service() {
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procd_open_instance cut
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procd_set_param command /usr/local/bin/trafficctl-cut.sh keeper
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procd_set_param stdout 1
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procd_set_param stderr 1
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procd_close_instance
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}
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