mirror of
https://chromium.googlesource.com/crosvm/crosvm
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1dab58a2cf
This search/replace updates all copyright notices to drop the "All rights reserved", Use "ChromiumOS" instead of "Chromium OS" and drops the trailing dots. This fulfills the request from legal and unifies our notices. ./tools/health-check has been updated to only accept this style. BUG=b:246579983 TEST=./tools/health-check Change-Id: I87a80701dc651f1baf4820e5cc42469d7c5f5bf7 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3894243 Reviewed-by: Daniel Verkamp <dverkamp@chromium.org> Commit-Queue: Dennis Kempin <denniskempin@google.com>
39 lines
1.2 KiB
Bash
Executable file
39 lines
1.2 KiB
Bash
Executable file
#!/bin/bash
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# Copyright 2022 The ChromiumOS Authors
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# Set up networking on the host using a TAP device. This probably works on
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# many ubuntu or debian machines, but highly depends on the existing network
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# configuration.
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setup_network() {
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# ANCHOR: setup_tap
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sudo ip tuntap add mode tap user "$USER" vnet_hdr crosvm_tap
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sudo ip addr add 192.168.10.1/24 dev crosvm_tap
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sudo ip link set crosvm_tap up
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# ANCHOR_END: setup_tap
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# ANCHOR: setup_routing
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sudo sysctl net.ipv4.ip_forward=1
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# Network interface used to connect to the internet.
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HOST_DEV=$(ip route get 8.8.8.8 | awk -- '{printf $5}')
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sudo iptables -t nat -A POSTROUTING -o "${HOST_DEV}" -j MASQUERADE
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sudo iptables -A FORWARD -i "${HOST_DEV}" -o crosvm_tap -m state --state RELATED,ESTABLISHED -j ACCEPT
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sudo iptables -A FORWARD -i crosvm_tap -o "${HOST_DEV}" -j ACCEPT
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# ANCHOR_END: setup_routing
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}
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echo "This will set up a tap device 'crosvm_tap'."
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echo
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echo "It will run the following commands:"
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echo
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type setup_network | sed '1,3d;$d'
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echo
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read -p "Continue [y/N]? " -r
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if [[ ! $REPLY =~ ^[Yy]$ ]]; then
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exit 0
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fi
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set -ex
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setup_network
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