qubes-linux-template-builder/scripts_debian/wheezy+whonix-gateway/files/usr/lib/whonix/setup-ip

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#!/bin/bash
if [ -x /usr/sbin/xenstore-read ]; then
XENSTORE_READ="/usr/sbin/xenstore-read"
else
XENSTORE_READ="/usr/bin/xenstore-read"
fi
INTERFACE="eth1"
ip=$(${XENSTORE_READ} qubes-netvm-gateway 2> /dev/null)
# Create a dummy eth1 interface so tor can bind to it if there
# are no DOMU virtual machines connected at the moment
ip link show ${INTERFACE} >> /dev/null || {
/sbin/ip link add ${INTERFACE} type dummy
# Now, assign it the netvm-gateway IP address
if [ x${ip} != x ]; then
netmask=$(${XENSTORE_READ} qubes-netvm-netmask)
gateway=$(${XENSTORE_READ} qubes-netvm-gateway)
/sbin/ifconfig ${INTERFACE} ${ip} netmask 255.255.255.255
/sbin/ifconfig ${INTERFACE} up
/sbin/ethtool -K ${INTERFACE} sg off
/sbin/ethtool -K ${INTERFACE} tx off
fi
ip link set ${INTERFACE} up
}
# Files that will have the immutable bit set
# since we don't want them modified by other programs
IMMUTABLE_FILES=(
'/etc/resolv.conf'
'/etc/hostname'
'/etc/hosts'
)
immutableFilesEnable() {
files="${1}"
suffix="${2}"
for file in "${files[@]}"; do
if [ -f "${file}" ] && ! [ -L "${file}" ]; then
chattr +i "${file}${suffix}"
fi
done
}
immutableFilesDisable() {
files="${1}"
suffix="${2}"
for file in "${files[@]}"; do
if [ -f "${file}" ] && ! [ -L "${file}" ]; then
chattr -i "${file}${suffix}"
fi
done
}
copyAnondist() {
file="${1}"
suffix="${2-.anondist}"
# Remove any softlinks first
if [ -L "${file}" ]; then
rm -f "${file}"
fi
if [ -f "${file}" ] && [ -n "$(diff ${file} ${file}${suffix})" ]; then
chattr -i "${file}"
rm -f "${file}"
cp -p "${file}${suffix}" "${file}"
chattr +i "${file}"
elif ! [ -f "${file}" ]; then
cp -p "${file}${suffix}" "${file}"
chattr +i "${file}"
fi
}
# Make sure all .anondist files in list are immutable
immutableFilesEnable "${IMMUTABLE_FILES}"
immutableFilesEnable "${IMMUTABLE_FILES}" ".anondist"
# Make sure we are using a copy of the annondist file and if not
# copy the annondist file and set it immutable
copyAnondist "/etc/resolv.conf"
copyAnondist "/etc/hosts"
copyAnondist "/etc/hostname"
# Replace IP addresses in known configuration files / scripts to
# currently discovered one
/usr/lib/whonix/replace-ips
# Make sure hostname is correct
/bin/hostname host
# Start Whonix Firewall
export INT_IF="vif+"
export INT_TIF="vif+"
/usr/bin/whonix_firewall
# Route any traffic FROM netvm TO netvm BACK-TO localhost
# Allows localhost access to tor network
iptables -t nat -A OUTPUT -s ${ip} -d ${ip} -j DNAT --to-destination 127.0.0.1
# Will only enable / disable if service is not already in that state
enable_sysv() {
servicename=${1}
disable=${2-0}
# Check to see if the service is already enabled and if not, enable it
string="/etc/rc$(runlevel | awk '{ print $2 }').d/S[0-9][0-9]${servicename}"
if [ $(find $string 2>/dev/null | wc -l) -eq ${disable} ] ; then
case ${disable} in
0)
echo "${1} is currently disabled; enabling it"
systemctl --quiet enable ${servicename}
;;
1)
echo "${1} is currently enabled; disabling it"
systemctl --quiet disable ${servicename}
;;
esac
fi
}
disable_sysv() {
enable_sysv ${1} 1
}
# This would be a really good place to apply any hacks required and remove them
# from template build script
grep "^DisableNetwork 0$" /etc/tor/torrc && {
#enable_sysv tor
#enable_sysv whonixcheck
#enable_sysv sdwdate
:
} || {
:
}