More whonix-gateway tweaks. It should be working now

scripts_debian/wheezy+whonix-gateway/99_custom_configuration.sh

@@ -17,7 +17,7 @@ else
 fi
 
 # ------------------------------------------------------------------------------
-# 
+# whonix-netvm-gateway contains last known IP used to search and replace
 # ------------------------------------------------------------------------------
 if [ -f "$INSTALLDIR/tmp/.prepared_whonix" -a ! -f "$INSTALLDIR/tmp/.prepared_whonix_custom_configurations" ]; then
     # --------------------------------------------------------------------------
@@ -26,3 +26,14 @@ if [ -f "$INSTALLDIR/tmp/.prepared_whonix" -a ! -f "$INSTALLDIR/tmp/.prepared_wh
     echo "10.152.152.10" > "$INSTALLDIR/etc/whonix-netvm-gateway"
     touch "$INSTALLDIR/tmp/.prepared_whonix_custom_configurations"
 fi
+
+# ------------------------------------------------------------------------------
+# Remove apt-cacher-ng as it conflicts with something and is only for install
+# ------------------------------------------------------------------------------
+DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true \
+    chroot "$INSTALLDIR" apt-get -y --force-yes remove apt-cacher-ng
+
+# ------------------------------------------------------------------------------
+# Remove original sources.list.  We will use one installed by Whonix now
+# ------------------------------------------------------------------------------
+rm -f "${INSTALLDIR}/etc/apt/sources.list"

scripts_debian/wheezy+whonix-gateway/files/.facl

@@ -103,3 +103,10 @@ user::rwx
 group::r-x
 other::r-x
 
+# file: usr/lib/whonix/enable-iptables-logging.sh
+# owner: root
+# group: root
+user::rwx
+group::r-x
+other::r-x
+

scripts_debian/wheezy+whonix-gateway/files/etc/udev/rules.d/99-qubes-whonix.rules

@@ -1,2 +1 @@
 SUBSYSTEMS=="xen", KERNEL=="eth*", ACTION=="add", RUN+="/usr/lib/whonix/setup-ip"
-SUBSYSTEMS=="xen", KERNEL=="eth*", ACTION=="online", RUN+="/usr/lib/whonix/setup-ip"

scripts_debian/wheezy+whonix-gateway/files/usr/lib/whonix/enable-iptables-logging.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+# Check /var/log/kern.log for logging results
+
+LOG_IP4=1
+LOG_IP6=0
+
+# for IPv4
+if [ "$LOG_IP4" == "1" ]; then
+    iptables -t raw -A OUTPUT -p icmp -j TRACE
+    iptables -t raw -A PREROUTING -p icmp -j TRACE
+    modprobe ipt_LOG
+fi
+
+# for IPv6
+if [ "$LOG_IP6" == "1" ]; then
+    ip6tables -t raw -A OUTPUT -p icmpv6 --icmpv6-type echo-request -j TRACE
+    ip6tables -t raw -A OUTPUT -p icmpv6 --icmpv6-type echo-reply -j TRACE
+    ip6tables -t raw -A PREROUTING -p icmpv6 --icmpv6-type echo-request -j TRACE
+    ip6tables -t raw -A PREROUTING -p icmpv6 --icmpv6-type echo-reply -j TRACE
+    modprobe ip6t_LOG
+fi

scripts_debian/wheezy+whonix-gateway/files/usr/lib/whonix/replace-ips

@@ -1,60 +1,86 @@
 #!/bin/bash
 
-# Search though files and updates IP address to current qubes-netvm-gateway address on startup
+# Search though files and updates IP address to the current 
-# of eth0
+# 'qubes-netvm-gateway' IP address
 
+FILES=(
+    '/usr/lib/leaktest-workstation/simple_ping.py'
+    '/usr/lib/whonixcheck/preparation'
+    '/usr/share/anon-kde-streamiso/share/config/kioslaverc'
+    '/usr/bin/whonix_firewall'
+    '/etc/whonix_firewall.d/30_default'
+    '/usr/lib/anon-shared-helper-scripts/tor_bootstrap_check.bsh'
+    '/usr/bin/uwt'
+    '/etc/uwt.d/30_uwt_default'
+    '/usr/share/tor/tor-service-defaults-torrc.anondist'
+    '/usr/bin/update-torbrowser'
+    '/etc/network/interfaces.whonix'
+    '/etc/resolv.conf.anondist'
+    '/etc/sdwdate.d/31_anon_dist_stream_isolation_plugin'
+    '/etc/rinetd.conf.anondist'
+    '/etc/network/interfaces.whonix'
+    '/usr/share/anon-torchat/.torchat/torchat.ini'
+)
 
-DIRS="/usr/lib/leaktest-workstation/simple_ping.py \
+# sed search and replace. return 0 if replace happened, otherwise 1
-    /usr/lib/whonixcheck/preparation \
+search_replace() {
-    /usr/share/anon-kde-streamiso/share/config/kioslaverc \
+    local search="$1"
-    /usr/bin/whonix_firewall \
+    local replace="$2"
-    /etc/whonix_firewall.d/30_default \
+    local file="$3"
-    /usr/lib/anon-shared-helper-scripts/tor_bootstrap_check.bsh \
+    local retval=1
-    /usr/bin/uwt \
+
-    /etc/uwt.d/30_uwt_default \
+    if ! [ -L "${file}" ]; then 
-    /usr/share/tor/tor-service-defaults-torrc.anondist \
+        ls_attrs="$(lsattr "${file}")"
-    /usr/bin/update-torbrowser \
+        ls_attrs=${ls_attrs:4:1}
-    /etc/network/interfaces.whonix \
+        if [ "${ls_attrs}" == "i" ]; then
-    /etc/resolv.conf.anondist \
+            chattr -i "${file}"
-    /etc/sdwdate.d/31_anon_dist_stream_isolation_plugin \
+        fi
-    /etc/rinetd.conf.anondist \
+    fi
-    /etc/network/interfaces.whonix \
+
-    /usr/share/anon-torchat/.torchat/torchat.ini"
+    sed -i.bak '/'"${search}"'/,${s//'"${replace}"'/;b};$q1' "${file}"
+    retval=$?
+
+    if [ "${ls_attrs}" == "i" ]; then
+        chattr +i "${file}"
+    fi
+
+    return $retval
+}
 
-# $1 = space delimited files
 function replace_ips()
 {
-    IP=$2
+    local search_ip="${1}"
-    LAST_IP=$3
+    local replace_ip="${2}"
+    local files=("${!3}")
+    local restart_tor=0
 
-    if ! [ "$LAST_IP" == "$IP" ]; then
+    # If IP is 10.152.152.10, network is 10.152.152.0
-        for file in $1; do
+    replace_network="${replace_ip%.*}.0"
+    search_network="${search_ip%.*}.0"
+
+    if ! [ "${search_ip}" == "${replace_ip}" ]; then
+        for file in "${files[@]}"; do
             if [ -f "$file" ]; then
-                #find / -xdev -type f -print0 | xargs -0r file | grep 'ASCII text' | awk -F: '{print $1}' | \
+                search_replace "${search_ip}" "${replace_ip}" "${file}" && restart_tor=1
-                #    xargs -d'\n' -r sed -i "s/$LAST_IP/$IP/g"
+                search_replace "${search_network}" "${replace_network}" "${file}" && restart_tor=1
-                #find / -xdev -type f -print0 | xargs -0r file | grep 'ASCII text' | awk -F: '{print $1}' | \
-                #    xargs -d'\n' -r sed -i "s/$LAST_IP_PART./$IP_PART./g"
-                sed -i "s/$LAST_IP/$IP/g" "$file"
             fi
         done
-	echo "$IP" > /etc/whonix-netvm-gateway
+
-    	service tor restart
+        if [ "${restart_tor}" == "1" ]; then
+            echo "${replace_ip}" > /etc/whonix-netvm-gateway
+    	    service tor restart
+        fi
     fi
 }
 
-IP=`xenstore-read qubes-netvm-gateway`
+ip="$(xenstore-read qubes-netvm-gateway)"
-IP_PART=$(echo $IP | cut -f 1,2,3 -d".")
+
-LAST_IP="$(cat /etc/whonix-netvm-gateway)"
+# Compare to current IP address assiged by Qubes
-LAST_IP_PART=$(echo $LAST_IP | cut -f 1,2,3 -d".")
+replace_ips "$(cat /etc/whonix-netvm-gateway)" "${ip}" FILES[@]
-replace_ips "$DIRS" $IP $LAST_IP
 
 # Do again; checking for original 10.152.152.10 incase of update
-LAST_IP=10.152.152.10
+replace_ips "10.152.152.10" "${ip}" FILES[@]
-LAST_IP_PART=$(echo $LAST_IP | cut -f 1,2,3 -d".")
-replace_ips "$DIRS" $IP $LAST_IP
 
 # Do again; checking for original 10.152.152.11 incase of update
-LAST_IP=10.152.152.11
+replace_ips "10.152.152.11" "${ip}" FILES[@]
-LAST_IP_PART=$(echo $LAST_IP | cut -f 1,2,3 -d".")
-replace_ips "$DIRS" $IP $LAST_IP
 

scripts_debian/wheezy+whonix-gateway/files/usr/lib/whonix/setup-ip

@@ -1,34 +1,94 @@
-#!/bin/sh
+#!/bin/bash
 
 if [ -x /usr/sbin/xenstore-read ]; then
 	XENSTORE_READ="/usr/sbin/xenstore-read"
 else
 	XENSTORE_READ="/usr/bin/xenstore-read"
 fi
+ip=$(${XENSTORE_READ} qubes-netvm-gateway 2> /dev/null)
+
+INTERFACE="eth1"
 
 # Create a dummy eth1 interface so tor can bind to it if there
 # are no DOMU virtual machines connected at the moment
-INTERFACE="eth1"
+ip link show ${INTERFACE} >> /dev/null || {
-/sbin/ip link add $INTERFACE type dummy
+    /sbin/ip link add ${INTERFACE} type dummy
 
-# Now, assign it the netvm-gateway IP address
+    # Now, assign it the netvm-gateway IP address
-ip=$($XENSTORE_READ qubes-netvm-gateway 2> /dev/null)
+    if [ x${ip} != x ]; then
-if [ x$ip != x ]; then
+        netmask=$(${XENSTORE_READ} qubes-netvm-netmask)
-    netmask=$($XENSTORE_READ qubes-netvm-netmask)
+        gateway=$(${XENSTORE_READ} qubes-netvm-gateway)
-    gateway=$($XENSTORE_READ qubes-netvm-gateway)
+        /sbin/ifconfig ${INTERFACE} ${ip} netmask 255.255.255.255
-    /sbin/ifconfig $INTERFACE $ip netmask 255.255.255.255
+        /sbin/ifconfig ${INTERFACE} up
-    /sbin/ifconfig $INTERFACE up
+        /sbin/ethtool -K ${INTERFACE} sg off
-    /sbin/ethtool -K $INTERFACE sg off
+        /sbin/ethtool -K ${INTERFACE} tx off
-    /sbin/ethtool -K $INTERFACE tx off
+    fi
-fi
+}
+
+# Files that will have the immutable bit set 
+# since we don't want them modified by other programs
+IMMUTABLE_FILES=( 
+    '/etc/resolv.conf'
+    '/etc/hostname'
+    '/etc/hosts'
+)
+
+immutableFilesEnable() {
+    files="${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 we have correct nameserver set
-echo "nameserver 127.0.0.1" > /etc/resolv.conf
-
 # Make sure hostname is correct
 /bin/hostname -b host
 
@@ -36,3 +96,7 @@ echo "nameserver 127.0.0.1" > /etc/resolv.conf
 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