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Merge pull request #3100 from cortesi/block
Remove allowremote addon, add an improved take called block
This commit is contained in:
Thomas Kriechbaumer
GitHub
commit
eecb576aff
@ -1,6 +1,6 @@
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from mitmproxy.addons import allowremote
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from mitmproxy.addons import anticache
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from mitmproxy.addons import anticomp
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from mitmproxy.addons import block
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from mitmproxy.addons import browser
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from mitmproxy.addons import check_ca
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from mitmproxy.addons import clientplayback
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@ -25,7 +25,7 @@ def default_addons():
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return [
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core.Core(),
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browser.Browser(),
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allowremote.AllowRemote(),
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block.Block(),
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anticache.AntiCache(),
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anticomp.AntiComp(),
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check_ca.CheckCA(),
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@ -1,31 +0,0 @@
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import ipaddress
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from mitmproxy import ctx
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class AllowRemote:
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def load(self, loader):
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loader.add_option(
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"allow_remote", bool, False,
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"""
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Allow remote clients to connect to proxy. If set to false,
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client will not be able to connect to proxy unless it is on the same network
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or the proxyauth option is set
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"""
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)
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def clientconnect(self, layer):
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address = ipaddress.ip_address(layer.client_conn.address[0])
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if isinstance(address, ipaddress.IPv6Address):
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address = address.ipv4_mapped or address
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accept_connection = (
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ctx.options.allow_remote or
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ipaddress.ip_address(address).is_private or
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ctx.options.proxyauth is not None
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)
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if not accept_connection:
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layer.reply.kill()
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ctx.log.warn("Client connection was killed because allow_remote option is set to false, "
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"client IP was not a private IP and proxyauth was not set.\n"
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"To allow remote connections set allow_remote option to true or set proxyauth option.")
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37
mitmproxy/addons/block.py
Normal file
37
mitmproxy/addons/block.py
Normal file
@ -0,0 +1,37 @@
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import ipaddress
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from mitmproxy import ctx
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class Block:
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def load(self, loader):
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loader.add_option(
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"block_global", bool, True,
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"""
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Block connections from globally reachable networks, as defined in
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the IANA special purpose registries.
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"""
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)
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loader.add_option(
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"block_private", bool, False,
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"""
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Block connections from private networks, as defined in the IANA
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special purpose registries. This option does not affect loopback
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addresses.
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"""
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)
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def clientconnect(self, layer):
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address = ipaddress.ip_address(layer.client_conn.address[0])
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if isinstance(address, ipaddress.IPv6Address):
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address = address.ipv4_mapped or address
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ipa = ipaddress.ip_address(address)
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if ipa.is_loopback:
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return
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if ctx.options.block_private and ipa.is_private:
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ctx.log.warn("Client connection from %s killed by block_private" % address)
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layer.reply.kill()
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if ctx.options.block_global and ipa.is_global:
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ctx.log.warn("Client connection from %s killed by block_global" % address)
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layer.reply.kill()
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@ -1,61 +0,0 @@
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from unittest import mock
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import pytest
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from mitmproxy.addons import allowremote, proxyauth
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from mitmproxy.test import taddons
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@pytest.mark.parametrize("allow_remote, should_be_killed, address", [
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(True, False, ("10.0.0.1",)),
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(True, False, ("172.20.0.1",)),
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(True, False, ("192.168.1.1",)),
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(True, False, ("1.1.1.1",)),
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(True, False, ("8.8.8.8",)),
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(True, False, ("216.58.207.174",)),
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(True, False, ("::ffff:1.1.1.1",)),
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(True, False, ("::ffff:8.8.8.8",)),
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(True, False, ("::ffff:216.58.207.174",)),
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(True, False, ("::ffff:10.0.0.1",)),
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(True, False, ("::ffff:172.20.0.1",)),
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(True, False, ("::ffff:192.168.1.1",)),
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(True, False, ("fe80::",)),
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(True, False, ("2001:4860:4860::8888",)),
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(False, False, ("10.0.0.1",)),
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(False, False, ("172.20.0.1",)),
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(False, False, ("192.168.1.1",)),
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(False, True, ("1.1.1.1",)),
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(False, True, ("8.8.8.8",)),
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(False, True, ("216.58.207.174",)),
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(False, True, ("::ffff:1.1.1.1",)),
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(False, True, ("::ffff:8.8.8.8",)),
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(False, True, ("::ffff:216.58.207.174",)),
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(False, False, ("::ffff:10.0.0.1",)),
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(False, False, ("::ffff:172.20.0.1",)),
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(False, False, ("::ffff:192.168.1.1",)),
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(False, False, ("fe80::",)),
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(False, True, ("2001:4860:4860::8888",)),
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])
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@pytest.mark.asyncio
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async def test_allowremote(allow_remote, should_be_killed, address):
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if allow_remote:
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# prevent faulty tests
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assert not should_be_killed
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ar = allowremote.AllowRemote()
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up = proxyauth.ProxyAuth()
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with taddons.context(ar, up) as tctx:
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tctx.options.allow_remote = allow_remote
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with mock.patch('mitmproxy.proxy.protocol.base.Layer') as layer:
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layer.client_conn.address = address
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ar.clientconnect(layer)
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if should_be_killed:
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assert await tctx.master.await_log("Client connection was killed", "warn")
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else:
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assert tctx.master.logs == []
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tctx.master.clear()
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tctx.options.proxyauth = "any"
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ar.clientconnect(layer)
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assert tctx.master.logs == []
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63
test/mitmproxy/addons/test_block.py
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63
test/mitmproxy/addons/test_block.py
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@ -0,0 +1,63 @@
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from unittest import mock
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import pytest
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from mitmproxy.addons import block
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from mitmproxy.test import taddons
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@pytest.mark.parametrize("block_global, block_private, should_be_killed, address", [
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# block_global: loopback
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(True, False, False, ("127.0.0.1",)),
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(True, False, False, ("::1",)),
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# block_global: private
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(True, False, False, ("10.0.0.1",)),
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(True, False, False, ("172.20.0.1",)),
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(True, False, False, ("192.168.1.1",)),
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(True, False, False, ("::ffff:10.0.0.1",)),
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(True, False, False, ("::ffff:172.20.0.1",)),
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(True, False, False, ("::ffff:192.168.1.1",)),
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(True, False, False, ("fe80::",)),
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# block_global: global
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(True, False, True, ("1.1.1.1",)),
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(True, False, True, ("8.8.8.8",)),
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(True, False, True, ("216.58.207.174",)),
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(True, False, True, ("::ffff:1.1.1.1",)),
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(True, False, True, ("::ffff:8.8.8.8",)),
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(True, False, True, ("::ffff:216.58.207.174",)),
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(True, False, True, ("2001:4860:4860::8888",)),
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# block_private: loopback
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(False, True, False, ("127.0.0.1",)),
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(False, True, False, ("::1",)),
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# block_private: private
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(False, True, True, ("10.0.0.1",)),
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(False, True, True, ("172.20.0.1",)),
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(False, True, True, ("192.168.1.1",)),
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(False, True, True, ("::ffff:10.0.0.1",)),
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(False, True, True, ("::ffff:172.20.0.1",)),
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(False, True, True, ("::ffff:192.168.1.1",)),
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(False, True, True, ("fe80::",)),
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# block_private: global
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(False, True, False, ("1.1.1.1",)),
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(False, True, False, ("8.8.8.8",)),
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(False, True, False, ("216.58.207.174",)),
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(False, True, False, ("::ffff:1.1.1.1",)),
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(False, True, False, ("::ffff:8.8.8.8",)),
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(False, True, False, ("::ffff:216.58.207.174",)),
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(False, True, False, ("2001:4860:4860::8888",)),
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])
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@pytest.mark.asyncio
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async def test_block_global(block_global, block_private, should_be_killed, address):
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ar = block.Block()
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with taddons.context(ar) as tctx:
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tctx.options.block_global = block_global
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tctx.options.block_private = block_private
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with mock.patch('mitmproxy.proxy.protocol.base.Layer') as layer:
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layer.client_conn.address = address
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ar.clientconnect(layer)
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if should_be_killed:
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assert layer.reply.kill.called
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assert await tctx.master.await_log("killed", "warn")
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else:
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assert not layer.reply.kill.called
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