Proxmox/misc/usb-passthrough.sh

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#!/usr/bin/env bash
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# Copyright (c) 2021-2023 tteck
# Author: tteck (tteckster)
# License: MIT
# https://github.com/tteck/Proxmox/raw/main/LICENSE
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echo -e "\e[1;33m This script will allow USB passthrough to a PRIVILEGED LXC Container ONLY\e[0m"
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while true; do
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read -p "Did you replace 106 with your LXC ID? Proceed(y/n)?" yn
case $yn in
[Yy]*) break ;;
[Nn]*) exit ;;
*) echo "Please answer yes or no." ;;
esac
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done
TEMP_DIR=$(mktemp -d)
pushd $TEMP_DIR >/dev/null
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CHAR_DEVS+=("166:.*")
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CHAR_DEVS+=("188:.*")
CHAR_DEVS+=("189:.*")
for char_dev in ${CHAR_DEVS[@]}; do
[ ! -z "${CHAR_DEV_STRING-}" ] && CHAR_DEV_STRING+=" -o"
CHAR_DEV_STRING+=" -regex \".*/${char_dev}\""
done
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read -r -d '' HOOK_SCRIPT <<-EOF || true
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for char_dev in \$(find /sys/dev/char -regextype sed $CHAR_DEV_STRING); do
dev="/dev/\$(sed -n "/DEVNAME/ s/^.*=\(.*\)$/\1/p" \${char_dev}/uevent)";
mkdir -p \$(dirname \${LXC_ROOTFS_MOUNT}\${dev});
for link in \$(udevadm info --query=property \$dev | sed -n "s/DEVLINKS=//p"); do
mkdir -p \${LXC_ROOTFS_MOUNT}\$(dirname \$link);
cp -dpR \$link \${LXC_ROOTFS_MOUNT}\${link};
done;
cp -dpR \$dev \${LXC_ROOTFS_MOUNT}\${dev};
done;
EOF
HOOK_SCRIPT=${HOOK_SCRIPT//$'\n'/}
CTID=$1
CTID_CONFIG_PATH=/etc/pve/lxc/${CTID}.conf
sed '/autodev/d' $CTID_CONFIG_PATH >CTID.conf
cat CTID.conf >$CTID_CONFIG_PATH
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cat <<EOF >>$CTID_CONFIG_PATH
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lxc.autodev: 1
lxc.hook.autodev: bash -c '$HOOK_SCRIPT'
EOF
echo -e "\e[1;33m Finished....Reboot ${CTID} LXC to apply the changes \e[0m"