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https://github.com/balena-os/balena-supervisor.git
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56 lines
3.6 KiB
CoffeeScript
56 lines
3.6 KiB
CoffeeScript
Promise = require 'bluebird'
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iptables = require '../src/lib/iptables'
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m = require 'mochainon'
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{ stub } = m.sinon
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{ expect } = m.chai
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describe 'iptables', ->
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it 'calls iptables to delete and recreate rules to block a port', ->
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stub(iptables, 'execAsync').returns(Promise.resolve())
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iptables.rejectOnAllInterfacesExcept(['foo', 'bar'], 42)
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.then ->
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expect(iptables.execAsync.callCount).to.equal(12)
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expect(iptables.execAsync).to.be.calledWith('iptables -D INPUT -p tcp --dport 42 -i foo -j ACCEPT')
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expect(iptables.execAsync).to.be.calledWith('iptables -I INPUT -p tcp --dport 42 -i foo -j ACCEPT')
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expect(iptables.execAsync).to.be.calledWith('iptables -D INPUT -p tcp --dport 42 -i bar -j ACCEPT')
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expect(iptables.execAsync).to.be.calledWith('iptables -I INPUT -p tcp --dport 42 -i bar -j ACCEPT')
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expect(iptables.execAsync).to.be.calledWith('iptables -D INPUT -p tcp --dport 42 -j REJECT')
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expect(iptables.execAsync).to.be.calledWith('iptables -A INPUT -p tcp --dport 42 -j REJECT')
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expect(iptables.execAsync).to.be.calledWith('ip6tables -D INPUT -p tcp --dport 42 -i foo -j ACCEPT')
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expect(iptables.execAsync).to.be.calledWith('ip6tables -I INPUT -p tcp --dport 42 -i foo -j ACCEPT')
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expect(iptables.execAsync).to.be.calledWith('ip6tables -D INPUT -p tcp --dport 42 -i bar -j ACCEPT')
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expect(iptables.execAsync).to.be.calledWith('ip6tables -I INPUT -p tcp --dport 42 -i bar -j ACCEPT')
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expect(iptables.execAsync).to.be.calledWith('ip6tables -D INPUT -p tcp --dport 42 -j REJECT')
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expect(iptables.execAsync).to.be.calledWith('ip6tables -A INPUT -p tcp --dport 42 -j REJECT')
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.then ->
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iptables.execAsync.restore()
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it "falls back to blocking the port with DROP if there's no REJECT support", ->
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stub(iptables, 'execAsync').callsFake (cmd) ->
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if /REJECT$/.test(cmd)
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Promise.reject(new Error())
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else
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Promise.resolve()
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iptables.rejectOnAllInterfacesExcept(['foo', 'bar'], 42)
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.then ->
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expect(iptables.execAsync.callCount).to.equal(16)
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expect(iptables.execAsync).to.be.calledWith('iptables -D INPUT -p tcp --dport 42 -i foo -j ACCEPT')
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expect(iptables.execAsync).to.be.calledWith('iptables -I INPUT -p tcp --dport 42 -i foo -j ACCEPT')
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expect(iptables.execAsync).to.be.calledWith('iptables -D INPUT -p tcp --dport 42 -i bar -j ACCEPT')
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expect(iptables.execAsync).to.be.calledWith('iptables -I INPUT -p tcp --dport 42 -i bar -j ACCEPT')
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expect(iptables.execAsync).to.be.calledWith('iptables -D INPUT -p tcp --dport 42 -j REJECT')
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expect(iptables.execAsync).to.be.calledWith('iptables -A INPUT -p tcp --dport 42 -j REJECT')
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expect(iptables.execAsync).to.be.calledWith('iptables -D INPUT -p tcp --dport 42 -j DROP')
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expect(iptables.execAsync).to.be.calledWith('iptables -A INPUT -p tcp --dport 42 -j DROP')
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expect(iptables.execAsync).to.be.calledWith('ip6tables -D INPUT -p tcp --dport 42 -i foo -j ACCEPT')
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expect(iptables.execAsync).to.be.calledWith('ip6tables -I INPUT -p tcp --dport 42 -i foo -j ACCEPT')
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expect(iptables.execAsync).to.be.calledWith('ip6tables -D INPUT -p tcp --dport 42 -i bar -j ACCEPT')
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expect(iptables.execAsync).to.be.calledWith('ip6tables -I INPUT -p tcp --dport 42 -i bar -j ACCEPT')
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expect(iptables.execAsync).to.be.calledWith('ip6tables -D INPUT -p tcp --dport 42 -j REJECT')
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expect(iptables.execAsync).to.be.calledWith('ip6tables -A INPUT -p tcp --dport 42 -j REJECT')
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expect(iptables.execAsync).to.be.calledWith('ip6tables -D INPUT -p tcp --dport 42 -j DROP')
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expect(iptables.execAsync).to.be.calledWith('ip6tables -A INPUT -p tcp --dport 42 -j DROP')
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.then ->
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iptables.execAsync.restore()
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