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x3mRouting.sh
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x3mRouting.sh
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#!/bin/sh
####################################################################################################
# Script: x3mRouting.sh
# VERSION=2.3.12
# Author: Xentrk
# Date: 18-May-2021
#
# Grateful:
# Thank you to @Martineau on snbforums.com for sharing his Selective Routing expertise,
# on-going support and collaboration on this project!
#
# Chk_Entware function and code to process the passing of parms written by Martineau
#
# Thanks to Addamm00, author of Skynet, for the Check_Lock and Kill_Lock functions to prevent concurrent processing.
# Source code can be found at https://github.com/Adamm00/IPSet_ASUS
#
####################################################################################################
# shellcheck disable=SC2031 # IPSET_NAME was modified in a subshell. That change might be lost.
# shellcheck disable=SC2068 # Double quote array expansions to avoid re-splitting elements.
# shellcheck disable=SC2030 # Modification of IPSET_NAME is local (to subshell caused by pipeline).
#_____________________________________________________________________________________________________________
#
# Required parameters are listed inside the braces: { }
# Optional parameters are listed inside of the brackets [ ]
# Valid parameter values are listed in parenthesis ( )
#
# Create IPSET List with Routing Rules:
#
# x3mRouting {src iface} (ALL|1|2|3|4|5)
# {dst iface} (0|1|2|3|4|5)
# ** src/dst NOTES Start **
# Valid SRC and DST Combinations
# 1) VPN Client Routing
# - Use this SRC and DST combination to route all IPSET list traffic to a VPN Client:
# ALL 1, ALL 2, ALL 3, ALL 4, ALL 5
# 2) VPN Bypass Routing
# - Use this SRC and DST combination to bypass the VPN Client for an IPSET list and
# route to the WAN interface:
# 1 0, 2 0, 3 0, 4 0, 5 0
# ** src/dst NOTES End **
# {ipset_name}
# ['autoscan='keyword1[,keyword2]...] # Scans for keywords and creates IPSET list using
# # the dnsmasq method
# ['asnum='asnum[,asnum]...] # ASN method
# ['aws_region='US[,EU]...] # Amazon method
# ['dnsmasq='domain[,domain]...] # dnsmasq method
# ['dnsmasq_file='/path/to/file] # dnsmasq method
# ['ip='ip[,ip][,cidr]...] # Equivalent to manual method
# ['src='src_ip]
# ['src_range='from_ip-to_ip]
# ['dir='save_restore_location] # if 'dir' not specified, defaults to /opt/tmp
# ['del'] # Delete IPSET list and all configuration settings.
# # **Will prompt** for permission to delete any files if only a shebang exists
# ['del=force'] # Force delete the IPSET list and all configuration settings if only
# # a shebang exists. **Will not** prompt for permission before deleting a
# # file if only a shebang exists.
#_____________________________________________________________________________________________________________
#
# Create IPSET List with no Routing Rules:
#
# x3mRouting {ipset_name=}
# ['autoscan='keyword1[,keyword2]...] # Scans for keywords and creates IPSET list using
# # the dnsmasq method
# ['asnum='asnum[,asnum]...] # ASN method
# ['aws_region='US[,EU]...] # Amazon method
# ['dnsmasq='domain[,domain]...] # dnsmasq method
# ['dnsmasq_file='/path/to/file] # dnsmasq method
# ['ip='ip[,ip][,cidr]...] # Equivalent to manual method
# ['dir='save_restore_location] # if 'dir' not specified, defaults to /opt/tmp
# ['del'] # Delete IPSET list and all configuration settings.
# # **Will prompt** for permission to delete any files if only a shebang exists
# ['del=force'] # Force delete the IPSET list and all configuration settings if only
# # a shebang exists. **Will not** prompt for permission before deleting a
# # file if only a shebang exists.
#____________________________________________________________________________________________________________
#
# VPN Server to VPN Client Routing:
#
# x3mRouting {'server='1|2|both} {'client='1|2|3|4|5} ['del'] ['del=force']
#_____________________________________________________________________________________________________________
#
# VPN Server to existing LAN routing rules for one or more IPSET lists
#
# x3mRouting {'server='1|2|both} {'ipset_name='IPSET[,IPSET]...} ['del'] ['del=force']
#_____________________________________________________________________________________________________________
# Print between line beginning with '#__' to first blank line inclusive (source: Martineau)
ShowHelp() {
awk '/^#__/{f=1} f{print; if (!NF) exit}' "$0" | more
}
# Need assistance!???
if [ "$1" = "help" ] || [ "$1" = "-h" ]; then
ShowHelp
exit 0
fi
COLOR_RED='\033[0;31m'
COLOR_WHITE='\033[0m'
COLOR_GREEN='\e[0;32m'
Kill_Lock() {
if [ -f "/tmp/x3mRouting.lock" ] && [ -d "/proc/$(sed -n '2p' /tmp/x3mRouting.lock)" ]; then
logger -st "($(basename "$0"))" "$$ Killing Locked Processes ($(sed -n '1p' /tmp/x3mRouting.lock)) (pid=$(sed -n '2p' /tmp/x3mRouting.lock))"
logger -st "($(basename "$0"))" "$$ $(ps | awk -v pid="$(sed -n '2p' /tmp/x3mRouting.lock)" '$1 == pid')"
kill "$(sed -n '2p' /tmp/x3mRouting.lock)"
rm -rf /tmp/x3mRouting.lock
echo
fi
}
Check_Lock() {
TRIES=0
MAX_TRIES=60
while [ "$TRIES" -lt "$MAX_TRIES" ]; do
if [ -f "/tmp/x3mRouting.lock" ]; then
logger -st "($(basename "$0"))" "$$ x3mRouting Lock File in use by PID $(sed -n '2p' /tmp/x3mRouting.lock) - wait time $(((MAX_TRIES*3) - (TRIES*3) - 3)) secs left"
sleep 3
TRIES=$((TRIES + 1))
if [ "$TRIES" -eq $((MAX_TRIES - 1)) ]; then # automatically kill lock once MAX_TRIES is reached
Kill_Lock
fi
else
echo "$@" >/tmp/x3mRouting.lock
echo "$$" >>/tmp/x3mRouting.lock
date +%s >>/tmp/x3mRouting.lock
lockx3mRouting="true"
TRIES="$MAX_TRIES"
fi
done
}
Chk_Entware() {
# ARGS [wait attempts] [specific_entware_utility]
READY=1 # Assume Entware Utilities are NOT available
ENTWARE_UTILITY= # Specific Entware utility to search for
MAX_TRIES=30
if [ -n "$2" ] && [ "$2" -eq "$2" ] 2>/dev/null; then
MAX_TRIES="$2"
elif [ -z "$2" ] && [ "$1" -eq "$1" ] 2>/dev/null; then
MAX_TRIES="$1"
fi
if [ -n "$1" ] && ! [ "$1" -eq "$1" ] 2>/dev/null; then
ENTWARE_UTILITY="$1"
fi
# Wait up to (default) 30 seconds to see if Entware utilities available.....
TRIES="0"
while [ "$TRIES" -lt "$MAX_TRIES" ]; do
if [ -f "/opt/bin/opkg" ]; then
if [ -n "$ENTWARE_UTILITY" ]; then # Specific Entware utility installed?
if [ -n "$(opkg list-installed "$ENTWARE_UTILITY")" ]; then
READY="0" # Specific Entware utility found
else
# Not all Entware utilities exists as a stand-alone package e.g. 'find' is in package 'findutils'
if [ -d /opt ] && [ -n "$(find /opt/ -name "$ENTWARE_UTILITY")" ]; then
READY="0" # Specific Entware utility found
fi
fi
else
READY="0" # Entware utilities ready
fi
break
fi
sleep 1
logger -st "($(basename "$0"))" "$$ Entware $ENTWARE_UTILITY not available - wait time $((MAX_TRIES - TRIES - 1)) secs left"
TRIES=$((TRIES + 1))
done
return "$READY"
}
### Define interface/bitmask to route traffic to below
Set_Fwmark_Parms() {
FWMARK_WAN="0x8000/0x8000"
FWMARK_OVPNC1="0x1000/0x1000"
FWMARK_OVPNC2="0x2000/0x2000"
FWMARK_OVPNC3="0x4000/0x4000"
FWMARK_OVPNC4="0x7000/0x7000"
FWMARK_OVPNC5="0x3000/0x3000"
}
Set_IP_Rule() {
VPN_ID="$1"
case "$VPN_ID" in
0)
if [ "$(ip rule | grep -cm 1 "$TAG_MARK")" -eq 0 ]; then
ip rule add from 0/0 fwmark "$TAG_MARK" table 254 prio 9990 && logger -st "($(basename "$0"))" $$ "Created fwmark $TAG_MARK"
ip route flush cache
fi
;;
1)
if [ "$(ip rule | grep -cm 1 "$TAG_MARK")" -eq 0 ]; then
ip rule add from 0/0 fwmark "$TAG_MARK" table ovpnc1 prio 9995 && logger -st "($(basename "$0"))" $$ "Created fwmark $TAG_MARK"
ip route flush cache
fi
;;
2)
if [ "$(ip rule | grep -cm 1 "$TAG_MARK")" -eq 0 ]; then
ip rule add from 0/0 fwmark "$TAG_MARK" table ovpnc2 prio 9994 && logger -st "($(basename "$0"))" $$ "Created fwmark $TAG_MARK"
ip route flush cache
fi
;;
3)
if [ "$(ip rule | grep -cm 1 "$TAG_MARK")" -eq 0 ]; then
ip rule add from 0/0 fwmark "$TAG_MARK" table ovpnc3 prio 9993 && logger -st "($(basename "$0"))" $$ "Created fwmark $TAG_MARK"
ip route flush cache
fi
;;
4)
if [ "$(ip rule | grep -cm 1 "$TAG_MARK")" -eq 0 ]; then
ip rule add from 0/0 fwmark "$TAG_MARK" table ovpnc4 prio 9992 && logger -st "($(basename "$0"))" $$ "Created fwmark $TAG_MARK"
ip route flush cache
fi
;;
5)
if [ "$(ip rule | grep -cm 1 "$TAG_MARK")" -eq 0 ]; then
ip rule add from 0/0 fwmark "$TAG_MARK" table ovpnc5 prio 9991 && logger -st "($(basename "$0"))" $$ "Created fwmark $TAG_MARK"
ip route flush cache
fi
;;
*)
Error_Exit "ERROR $1 should be 0-WAN or 1-5=VPN"
;;
esac
}
# check if /jffs/configs/dnsmasq.conf.add contains 'ipset=' entry for the domains
Check_Dnsmasq() {
DNSMASQ_ENTRY=$1
if [ -s "/jffs/configs/dnsmasq.conf.add" ]; then # dnsmasq.conf.add file exists
if [ "$(grep -cw "$DNSMASQ_ENTRY" "/jffs/configs/dnsmasq.conf.add")" -eq 0 ]; then # only add if entry does not exist
echo "ipset=$DNSMASQ_ENTRY" >>/jffs/configs/dnsmasq.conf.add # add 'ipset=' domains entry to dnsmasq.conf.add
service restart_dnsmasq 2>/dev/null
fi
else
printf 'ipset=%s\n' "$DNSMASQ_ENTRY" >/jffs/configs/dnsmasq.conf.add # dnsmasq.conf.add does not exist, create dnsmasq.conf.add
logger -st "($(basename "$0"))" $$ "ipset=$DNSMASQ_ENTRY" added to "/jffs/configs/dnsmasq.conf.add"
service restart_dnsmasq 2>/dev/null
fi
}
Create_Ipset_List() {
IPSET_NAME=$1
METHOD=$2
Chk_Entware 120
if [ "$READY" -eq 1 ]; then Error_Exit "Entware not ready. Unable to access ipset save/restore location"; fi
if [ "$(ipset list -n "$IPSET_NAME" 2>/dev/null)" != "$IPSET_NAME" ]; then #does ipset list exist?
if [ -s "$DIR/$IPSET_NAME" ]; then # does ipset restore file exist?
if [ "$METHOD" = "DNSMASQ" ]; then
ipset restore -! <"$DIR/$IPSET_NAME"
logger -st "($(basename "$0"))" $$ IPSET restored: "$IPSET_NAME" from "$DIR/$IPSET_NAME"
else
ipset create "$IPSET_NAME" hash:net family inet hashsize 1024 maxelem 65536
logger -st "($(basename "$0"))" $$ IPSET created: "$IPSET_NAME"
fi
else # method = ASN, MANUAL or AWS
ipset create "$IPSET_NAME" hash:net family inet hashsize 1024 maxelem 65536 # No restore file, so create ipset list from scratch
logger -st "($(basename "$0"))" $$ IPSET created: "$IPSET_NAME" hash:net family inet hashsize 1024 maxelem 65536
fi
fi
}
# if IPSET is older than 24 hours, save the current IPSET list to disk
Check_Restore_File_Age() {
IPSET_NAME=$1
DIR=$2
if [ -d "$DIR" ]; then
if [ "$(find "$DIR" -name "$IPSET_NAME" -mtime +1 -print 2>/dev/null)" = "$DIR/$IPSET_NAME" ]; then
ipset save "$IPSET_NAME" >"$DIR/$IPSET_NAME"
fi
fi
}
# If cronjob to back up the DOMAINS ipset list every 24 hours @ 2:00 AM does not exist, then create it
Check_Cron_Job() {
IPSET_NAME=$1
cru l | grep "$IPSET_NAME" || cru a "$IPSET_NAME" "0 2 * * * ipset save $IPSET_NAME > $DIR/$IPSET_NAME" >/dev/null 2>&1 && logger -st "($(basename "$0"))" $$ CRON schedule created: "#$IPSET_NAME#" "'0 2 * * * ipset save $IPSET_NAME'"
}
# Route IPSET to target WAN or VPN
Create_Routing_Rules() {
IPSET_NAME=$1
iptables -t mangle -D PREROUTING -i br0 -m set --match-set "$IPSET_NAME" dst -j MARK --set-mark "$TAG_MARK" 2>/dev/null && logger -st "($(basename "$0"))" $$ Selective Routing Rule via "$TARGET_DESC" deleted for "$IPSET_NAME" fwmark "$TAG_MARK"
iptables -t mangle -A PREROUTING -i br0 -m set --match-set "$IPSET_NAME" dst -j MARK --set-mark "$TAG_MARK" && logger -st "($(basename "$0"))" $$ Selective Routing Rule via "$TARGET_DESC" created for "$IPSET_NAME" fwmark "$TAG_MARK"
}
Exit_Routine() {
if [ "$lockx3mRouting" = "true" ]; then rm -rf "/tmp/x3mRouting.lock"; fi
logger -st "($(basename "$0"))" $$ Completed Script Execution
exit 0
}
Error_Exit() {
if [ "$lockx3mRouting" = "true" ]; then rm -rf "/tmp/x3mRouting.lock"; fi
error_str="$*"
logger -st "($(basename "$0"))" $$ "$error_str"
exit 1
}
Check_For_Shebang() {
CLIENTX_FILE=$1
SHEBANG_COUNT=0
EMPTY_LINE_COUNT=0
NOT_EMPTY_LINE_COUNT=0
if [ -f "$CLIENTX_FILE" ]; then # file exists
while read -r LINE || [ -n "$LINE" ]; do
if [ "$LINE" = "#!/bin/sh" ]; then
SHEBANG_COUNT=$((SHEBANG_COUNT + 1))
continue
fi
if [ -z "$LINE" ]; then
EMPTY_LINE_COUNT=$((EMPTY_LINE_COUNT + 1))
fi
if [ -n "$LINE" ]; then
NOT_EMPTY_LINE_COUNT=$((NOT_EMPTY_LINE_COUNT + 1))
fi
done <"$CLIENTX_FILE"
else
return
fi
if [ "$NOT_EMPTY_LINE_COUNT" -eq 0 ]; then
if [ "$DEL_FLAG" = "del" ]; then
printf '\n\n%s\n' "$CLIENTX_FILE has $SHEBANG_COUNT shebang entry and $EMPTY_LINE_COUNT empty lines."
printf '%s\n' "Would you like to remove $CLIENTX_FILE?"
printf '%b[1]%b --> Yes\n' "${COLOR_GREEN}" "${COLOR_WHITE}"
printf '%b[2]%b --> No\n' "${COLOR_GREEN}" "${COLOR_WHITE}"
echo
printf '[1-2]: '
read -r "OPTION"
case "$OPTION" in
1)
rm "$CLIENTX_FILE"
echo "$CLIENTX_FILE file deleted"
return
;;
2)
return
;;
*)
echo "[*] $OPTION Isn't An Option!"
;;
esac
elif [ "$DEL_FLAG" = "FORCE" ]; then # force delete file w/o prompt
rm "$CLIENTX_FILE"
echo "$CLIENTX_FILE file deleted"
fi
fi
}
Check_Nat_Start_For_Entries() {
IPSET_NAME=$1
OPT1=$2
DIR=$3
if [ "$(echo "$OPT1" | grep -c "Manual")" -ge 1 ]; then # 1 parm passed
SCRIPT_ENTRY="sh /jffs/scripts/x3mRouting/x3mRouting.sh ipset_name=$IPSET_NAME"
else # OPT1 parm passed e.g. dnsmasq=, aws_region=, asnum=, ip=
SCRIPT_ENTRY="sh /jffs/scripts/x3mRouting/x3mRouting.sh ipset_name=$IPSET_NAME $OPT1"
fi
if [ "$DIR" != "/opt/tmp" ]; then
if [ "$(echo "$@" | grep -c 'asnum=')" -eq 0 ]; then
SCRIPT_ENTRY="$SCRIPT_ENTRY dir=$DIR"
fi
fi
# nat-start File
if [ -s "$NAT_START" ]; then
if [ "$(grep -cw "$SCRIPT_ENTRY" "$NAT_START")" -eq 0 ]; then # if true, then no lines exist
echo "$SCRIPT_ENTRY" >>"$NAT_START" # add $SCRIPT_ENTRY to $NAT_START
logger -st "($(basename "$0"))" $$ "$SCRIPT_ENTRY added to $NAT_START"
fi
else # file does not exist
true >"$NAT_START"
{
printf '%s\n' "#!/bin/sh"
printf '%s\n' "$SCRIPT_ENTRY"
} >"$NAT_START"
logger -st "($(basename "$0"))" $$ "$SCRIPT_ENTRY added to $NAT_START"
fi
# set permissions for each file
[ -s "$NAT_START" ] && chmod 755 "$NAT_START"
}
Check_Files_For_Entries() {
SRC_IFACE=$1
DST_IFACE=$2
IPSET_NAME=$3
OPT1=$4
DIR=$5
if [ "$(echo "$OPT1" | grep -c "Manual")" -ge 1 ]; then # 1 parm passed
SCRIPT_ENTRY="sh /jffs/scripts/x3mRouting/x3mRouting.sh $SRC_IFACE $DST_IFACE $IPSET_NAME"
else # OPT1 parm passed e.g. dnsmasq=, aws_region=, asnum=, ip=
SCRIPT_ENTRY="sh /jffs/scripts/x3mRouting/x3mRouting.sh $SRC_IFACE $DST_IFACE $IPSET_NAME $OPT1"
fi
if [ "$DIR" != "/opt/tmp" ]; then
SCRIPT_ENTRY="$SCRIPT_ENTRY dir=$DIR"
fi
if [ "$SRC_IFACE" = "ALL" ]; then
VPNID=$DST_IFACE
else
VPNID=$SRC_IFACE
fi
IPTABLES_DEL_ENTRY="iptables -t mangle -D PREROUTING -i br0 -m set --match-set $IPSET_NAME dst -j MARK --set-mark $TAG_MARK 2>/dev/null"
IPTABLES_ADD_ENTRY="iptables -t mangle -A PREROUTING -i br0 -m set --match-set $IPSET_NAME dst -j MARK --set-mark $TAG_MARK"
VPNC_UP_FILE="/jffs/scripts/x3mRouting/vpnclient${VPNID}-route-up"
VPNC_DOWN_FILE="/jffs/scripts/x3mRouting/vpnclient${VPNID}-route-pre-down"
# VPN Client route-up File
for IPTABLES_ENTRY in "$IPTABLES_DEL_ENTRY" "$IPTABLES_ADD_ENTRY"; do
if [ -s "$VPNC_UP_FILE" ]; then
if [ "$(grep -cw "$IPTABLES_ENTRY" "$VPNC_UP_FILE")" -eq 0 ]; then # if true, then no lines exist
echo "$IPTABLES_ENTRY" >>"$VPNC_UP_FILE" # add $SCRIPT_ENTRY to $VPNC_UP_FILE
logger -st "($(basename "$0"))" $$ "$IPTABLES_ENTRY added to $VPNC_UP_FILE"
fi
else # file does not exist, create VPNC_UP_FILE
true >"$VPNC_UP_FILE"
{
printf '%s\n' "#!/bin/sh"
printf '%s\n' "$IPTABLES_ENTRY"
} >"$VPNC_UP_FILE"
logger -st "($(basename "$0"))" $$ "$IPTABLES_ENTRY added to $VPNC_UP_FILE"
fi
done
# VPN Client route-pre-down File
if [ -s "$VPNC_DOWN_FILE" ]; then
if [ "$(grep -cw "$IPTABLES_DEL_ENTRY" "$VPNC_DOWN_FILE")" -eq 0 ]; then # if true, then no lines exist
echo "$IPTABLES_DEL_ENTRY" >>"$VPNC_DOWN_FILE" # add $SCRIPT_ENTRY to $VPNC_DOWN_FILE
logger -st "($(basename "$0"))" $$ "$IPTABLES_DEL_ENTRY added to $VPNC_DOWN_FILE"
fi
else # file does not exist, create VPNC_DOWN_FILE
true >"$VPNC_DOWN_FILE"
{
printf '%s\n' "#!/bin/sh"
printf '%s\n' "$IPTABLES_DEL_ENTRY"
} >"$VPNC_DOWN_FILE"
logger -st "($(basename "$0"))" $$ "$IPTABLES_DEL_ENTRY added to $VPNC_DOWN_FILE"
fi
# nat-start File
if [ -s "$NAT_START" ]; then
if [ "$(grep -cw "$SCRIPT_ENTRY" "$NAT_START")" -eq 0 ]; then # if true, then no lines exist
echo "$SCRIPT_ENTRY" >>"$NAT_START" # add $SCRIPT_ENTRY to $NAT_START
logger -st "($(basename "$0"))" $$ "$SCRIPT_ENTRY added to $NAT_START"
fi
else # file does not exist
true >"$NAT_START"
{
printf '%s\n' "#!/bin/sh"
printf '%s\n' "$SCRIPT_ENTRY"
} >"$NAT_START"
logger -st "($(basename "$0"))" $$ "$SCRIPT_ENTRY added to $NAT_START"
fi
#set permissions for each file
[ -s "$VPNC_UP_FILE" ] && chmod 755 "$VPNC_UP_FILE"
[ -s "$VPNC_DOWN_FILE" ] && chmod 755 "$VPNC_DOWN_FILE"
[ -s "$NAT_START" ] && chmod 755 "$NAT_START"
}
Process_Src_Option() {
SRC_IFACE=$1
DST_IFACE=$2
IPSET_NAME=$3
SRC=$(echo "$@" | sed -n "s/^.*src=//p" | awk '{print $1}')
SRC_RANGE=$(echo "$@" | sed -n "s/^.*src_range=//p" | awk '{print $1}')
if [ "$(echo "$@" | grep -c 'dir=')" -gt 0 ]; then
DIR=$(echo "$@" | sed -n "s/^.*dir=//p" | awk '{print $1}') # v1.2 Mount point/directory for backups
else
DIR="/opt/tmp"
fi
if [ "$(echo "$@" | grep -c 'asnum=')" -gt 0 ]; then
ASN=$(echo "$@" | sed -n "s/^.*asnum=//p" | awk '{print $1}')
X3M_METHOD="asnum=${ASN}"
elif [ "$(echo "$@" | grep -c 'aws_region=')" -gt 0 ]; then
AWS_REGION=$(echo "$@" | sed -n "s/^.*aws_region=//p" | awk '{print $1}')
X3M_METHOD="aws_region=${AWS_REGION}"
elif [ "$(echo "$@" | grep -c 'dnsmasq=')" -gt 0 ]; then
DOMAINS=$(echo "$@" | sed -n "s/^.*dnsmasq=//p" | awk '{print $1}')
X3M_METHOD="dnsmasq=${DOMAINS}"
elif [ "$(echo "$@" | grep -c 'dnsmasq_file=')" -gt 0 ]; then
DNSMASQ_FILE=$(echo "$@" | sed -n "s/^.*dnsmasq_file=//p" | awk '{print $1}')
X3M_METHOD="dnsmasq_file=${DNSMASQ_FILE}"
else
X3M_METHOD="Manual"
fi
# Create the IPSET list first!
while true; do
# Check for 'dnsmasq=' parm
if [ "$(echo "$@" | grep -c 'dnsmasq=')" -gt 0 ] || [ "$(echo "$@" | grep -c 'dnsmasq_file=')" -gt 0 ]; then
DNSMASQ_Parm $@
break
fi
# Check for 'autoscan=' parm
if [ "$(echo "$@" | grep -c 'autoscan=')" -gt 0 ]; then
Dnsmasq_Log_File
Harvest_Domains $@
break
fi
# check if 'asnum=' parm
if [ "$(echo "$@" | grep -c 'asnum=')" -gt 0 ]; then
ASNUM_Parm $@
break
fi
# check if 'aws_region=' parm
if [ "$(echo "$@" | grep -c 'aws_region=')" -gt 0 ]; then
AWS_Region_Parm $@
break
fi
# Manual Method
if [ "$X3M_METHOD" = "Manual" ]; then
Manual_Method $@
break
fi
done
# Manual Method to create ipset list if IP address specified
if [ -n "$SRC" ]; then
if [ "$X3M_METHOD" = "Manual" ]; then #
SCRIPT_ENTRY="sh /jffs/scripts/x3mRouting/x3mRouting.sh $SRC_IFACE $DST_IFACE $IPSET_NAME src=${SRC}"
[ "$DIR" != "/opt/tmp" ] && SCRIPT_ENTRY="sh /jffs/scripts/x3mRouting/x3mRouting.sh $SRC_IFACE $DST_IFACE $IPSET_NAME src=${SRC} dir=${DIR}"
Manual_Method $@
else
SCRIPT_ENTRY="sh /jffs/scripts/x3mRouting/x3mRouting.sh $SRC_IFACE $DST_IFACE $IPSET_NAME $X3M_METHOD src=${SRC}"
[ "$DIR" != "/opt/tmp" ] && SCRIPT_ENTRY="sh /jffs/scripts/x3mRouting/x3mRouting.sh $SRC_IFACE $DST_IFACE $IPSET_NAME $X3M_METHOD src=${SRC} dir=${DIR}"
fi
IPTABLES_DEL_ENTRY="iptables -t mangle -D PREROUTING -i br0 --src $SRC -m set --match-set $IPSET_NAME dst -j MARK --set-mark $TAG_MARK 2>/dev/null"
IPTABLES_ADD_ENTRY="iptables -t mangle -A PREROUTING -i br0 --src $SRC -m set --match-set $IPSET_NAME dst -j MARK --set-mark $TAG_MARK"
# Create routing rules
eval "$IPTABLES_DEL_ENTRY"
eval "$IPTABLES_ADD_ENTRY"
fi
if [ -n "$SRC_RANGE" ]; then
if [ "$X3M_METHOD" = "Manual" ]; then
SCRIPT_ENTRY="sh /jffs/scripts/x3mRouting/x3mRouting.sh $SRC_IFACE $DST_IFACE $IPSET_NAME src_range=${SRC_RANGE}"
[ "$DIR" != "/opt/tmp" ] && SCRIPT_ENTRY="sh /jffs/scripts/x3mRouting/x3mRouting.sh $SRC_IFACE $DST_IFACE $IPSET_NAME src_range=${SRC_RANGE} dir=${DIR}"
Manual_Method $@
else
SCRIPT_ENTRY="sh /jffs/scripts/x3mRouting/x3mRouting.sh $SRC_IFACE $DST_IFACE $IPSET_NAME $X3M_METHOD src_range=${SRC_RANGE}"
[ "$DIR" != "/opt/tmp" ] && SCRIPT_ENTRY="sh /jffs/scripts/x3mRouting/x3mRouting.sh $SRC_IFACE $DST_IFACE $IPSET_NAME $X3M_METHOD src_range=${SRC_RANGE} dir=${DIR}"
fi
IPTABLES_DEL_ENTRY="iptables -t mangle -D PREROUTING -i br0 -m iprange --src-range $SRC_RANGE -m set --match-set $IPSET_NAME dst -j MARK --set-mark $TAG_MARK 2>/dev/null"
IPTABLES_ADD_ENTRY="iptables -t mangle -A PREROUTING -i br0 -m iprange --src-range $SRC_RANGE -m set --match-set $IPSET_NAME dst -j MARK --set-mark $TAG_MARK"
# Create routing rules
eval "$IPTABLES_DEL_ENTRY"
eval "$IPTABLES_ADD_ENTRY"
fi
if [ "$SRC_IFACE" = "ALL" ]; then
VPNID=$DST_IFACE
else
VPNID=$SRC_IFACE
fi
VPNC_UP_FILE="/jffs/scripts/x3mRouting/vpnclient${VPNID}-route-up"
VPNC_DOWN_FILE="/jffs/scripts/x3mRouting/vpnclient${VPNID}-route-pre-down"
# nat-start File
if [ -s "$NAT_START" ]; then
if [ "$(grep -cw "$SCRIPT_ENTRY" "$NAT_START")" -eq 0 ]; then # if true, then no lines exist
echo "$SCRIPT_ENTRY" >>"$NAT_START" # add $SCRIPT_ENTRY to $NAT_START
logger -st "($(basename "$0"))" $$ "$SCRIPT_ENTRY added to $NAT_START"
fi
else # file does not exist, create VPNC_UP_FILE
true >"$NAT_START"
{
printf '%s\n' "#!/bin/sh"
printf '%s\n' "$SCRIPT_ENTRY"
} >"$NAT_START"
logger -st "($(basename "$0"))" $$ "$SCRIPT_ENTRY added to $NAT_START"
fi
# VPN Client route-up File
for IPTABLES_ENTRY in "$IPTABLES_DEL_ENTRY" "$IPTABLES_ADD_ENTRY"; do
if [ -s "$VPNC_UP_FILE" ]; then
if [ "$(grep -cw "$IPTABLES_ENTRY" "$VPNC_UP_FILE")" -eq 0 ]; then # if true, then no lines exist
echo "$IPTABLES_ENTRY" >>"$VPNC_UP_FILE" # add $SCRIPT_ENTRY to $VPNC_UP_FILE
logger -st "($(basename "$0"))" $$ "$IPTABLES_ENTRY added to $VPNC_UP_FILE"
fi
else # file does not exist, create VPNC_UP_FILE
true >"$VPNC_UP_FILE"
{
printf '%s\n' "#!/bin/sh"
printf '%s\n' "$IPTABLES_ENTRY"
} >"$VPNC_UP_FILE"
logger -st "($(basename "$0"))" $$ "$IPTABLES_ENTRY added to $VPNC_UP_FILE"
fi
done
# VPN Client route-pre-down File
if [ -s "$VPNC_DOWN_FILE" ]; then # file exists
if [ "$(grep -cw "$IPTABLES_DEL_ENTRY" "$VPNC_DOWN_FILE")" -eq 0 ]; then # if true, then no lines exist
echo "$IPTABLES_DEL_ENTRY" >>"$VPNC_DOWN_FILE" # add $SCRIPT_ENTRY to $VPNC_UP_FILE
logger -st "($(basename "$0"))" $$ "$IPTABLES_DEL_ENTRY added to $VPNC_DOWN_FILE"
fi
else # file does not exist, create VPNC_UP_FILE
true >"$VPNC_DOWN_FILE"
{
printf '%s\n' "#!/bin/sh"
printf '%s\n' "$IPTABLES_DEL_ENTRY"
} >"$VPNC_DOWN_FILE"
logger -st "($(basename "$0"))" $$ "$IPTABLES_DEL_ENTRY added to $VPNC_DOWN_FILE"
fi
#set permissions for each file
[ -s "$VPNC_UP_FILE" ] && chmod 755 "$VPNC_UP_FILE"
[ -s "$VPNC_DOWN_FILE" ] && chmod 755 "$VPNC_DOWN_FILE"
[ -s "$NAT_START" ] && chmod 755 "$NAT_START"
}
Process_DNSMASQ() {
IPSET_NAME=$1
DNSMASQ_ENTRY=$2
DIR=$3
Check_Dnsmasq "$DNSMASQ_ENTRY"
Create_Ipset_List "$IPSET_NAME" "DNSMASQ"
Check_Restore_File_Age "$IPSET_NAME" "$DIR"
Check_Cron_Job "$IPSET_NAME"
}
Download_ASN_Ipset_List() {
IPSET_NAME=$1
ASN=$2
curl -fsL --retry 3 --connect-timeout 3 "https://api.bgpview.io/asn/$ASN/prefixes" | grep -oE '.{20}([0-9]{1,3}\.){3}[0-9]{1,3}\\/[0-9]{1,2}' | grep -vF "parent" | grep -oE '([0-9]{1,3}\.){3}[0-9]{1,3}\\/[0-9]{1,2}' | tr -d "\\" | awk '{printf "add '"$IPSET_NAME"' %s\n", $1 }' | awk '!x[$0]++' | ipset restore -!
}
Load_MANUAL_Ipset_List() {
IPSET_NAME=$1
DIR=$2
if [ "$(ipset list -n "$IPSET_NAME" 2>/dev/null)" = "$IPSET_NAME" ]; then #does ipset list exist?
[ -s "$DIR/$IPSET_NAME" ] && awk '{print "add '"$IPSET_NAME"' " $1}' "$DIR/$IPSET_NAME" | ipset restore -!
fi
}
# Download Amazon AWS json file
Download_AMAZON() {
DIR=$1
if [ -s "$DIR/ip-ranges.json" ]; then
if [ "$(find "$DIR" -name "ip-ranges.json" -mtime +7 -print)" = "$DIR/ip-ranges.json" ]; then
STATUS=$(curl --retry 3 -sL -o "$DIR/ip-ranges.json" -w '%{http_code}' "https://ip-ranges.amazonaws.com/ip-ranges.json")
if [ "$STATUS" -eq 200 ]; then
logger -st "($(basename "$0"))" $$ "Download of https://ip-ranges.amazonaws.com/ip-ranges.json successful."
else
logger -st "($(basename "$0"))" $$ "Download of https://ip-ranges.amazonaws.com/ip-ranges.json failed. Using existing file."
fi
fi
else
STATUS=$(curl --retry 3 -sL -o "$DIR/ip-ranges.json" -w '%{http_code}' "https://ip-ranges.amazonaws.com/ip-ranges.json")
if [ "$STATUS" -eq 200 ]; then
logger -st "($(basename "$0"))" $$ "Download of https://ip-ranges.amazonaws.com/ip-ranges.json successful."
else
Error_Exit "Download of https://ip-ranges.amazonaws.com/ip-ranges.json failed."
fi
fi
}
Load_AWS_Ipset_List() {
IPSET_NAME=$1
REGION=$2
DIR=$3
Download_AMAZON "$DIR"
if [ ! -s "$DIR/$IPSET_NAME" ]; then
true >"$DIR/$IPSET_NAME"
fi
# don't quote the parameter so it is treated like an array!
for REGION in $REGION; do
jq '.prefixes[] | select(.region=='\""$REGION"\"') | .ip_prefix' <"$DIR/ip-ranges.json" | sed 's/"//g' >>"$DIR/$IPSET_NAME"
done
sort -gt '/' -k 1 "$DIR/$IPSET_NAME" | sort -ut '.' -k 1,1n -k 2,2n -k 3,3n -k 4,4n >"$DIR/${IPSET_NAME}_tmp"
mv "$DIR/${IPSET_NAME}_tmp" "$DIR/$IPSET_NAME"
awk '{print "add '"$IPSET_NAME"' " $1}' "$DIR/$IPSET_NAME" | ipset restore -!
}
Delete_Ipset_List() {
IPSET_NAME=$1
DIR=$2
# Check /jffs/configs/dnsmasq.conf.add for IPSET entry and remove if found
if [ -s /jffs/configs/dnsmasq.conf.add ]; then
logger -t "($(basename "$0"))" $$ "Checking /jffs/configs/dnsmasq.conf.add..."
if [ "$(grep -cw "$IPSET_NAME" "/jffs/configs/dnsmasq.conf.add")" -ge 1 ]; then # if true, then one or more lines exist
sed -i "/^ipset.*${IPSET_NAME}$/d" /jffs/configs/dnsmasq.conf.add
logger -t "($(basename "$0"))" $$ "IPSET $IPSET_NAME deleted from /jffs/configs/dnsmasq.conf.add"
service restart_dnsmasq 2>/dev/null
else
logger -t "($(basename "$0"))" $$ "no references for IPSET $IPSET_NAME found in /jffs/configs/dnsmasq.conf.add"
fi
fi
# Check for IPSET entry in /jffs/scripts/nat-start and remove if found
if [ -s "$NAT_START" ]; then
logger -t "($(basename "$0"))" $$ "Checking $NAT_START..."
if [ "$(grep -cw "$IPSET_NAME" "$NAT_START")" -ge 1 ]; then # if true, then one or more lines exist
sed -i "\~\b$IPSET_NAME\b~d" "$NAT_START"
logger -t "($(basename "$0"))" $$ "Script entry for $IPSET_NAME deleted from $NAT_START"
else
logger -t "($(basename "$0"))" $$ "No $IPSET_NAME references found in $NAT_START."
fi
Check_For_Shebang "$NAT_START"
fi
# Check_Files_For_Entries for any entries related to IPSET_NAME
for VPNID in 1 2 3 4 5; do
VPNC_UP_FILE="/jffs/scripts/x3mRouting/vpnclient${VPNID}-route-up"
VPNC_DOWN_FILE="/jffs/scripts/x3mRouting/vpnclient${VPNID}-route-pre-down"
if [ -s "$VPNC_UP_FILE" ]; then # file exists
logger -t "($(basename "$0"))" $$ "Checking $VPNC_UP_FILE..."
# Note: not passing del entry
if [ "$(grep -cw "$IPSET_NAME" "$VPNC_UP_FILE")" -ge 1 ]; then # if true, then one or more lines exist
sed -i "\~\b $IPSET_NAME\b~d" "$VPNC_UP_FILE"
logger -t "($(basename "$0"))" $$ "ipset $IPSET_NAME entry deleted from $VPNC_UP_FILE"
Check_For_Shebang "$VPNC_UP_FILE"
else
logger -t "($(basename "$0"))" $$ "No $IPSET_NAME references found in $VPNC_UP_FILE"
fi
fi
if [ -s "$VPNC_DOWN_FILE" ]; then # file exists
if [ "$(grep -cw "$IPSET_NAME" "$VPNC_DOWN_FILE")" -ge 1 ]; then # if true, then one or more lines exist
sed -i "\~\b $IPSET_NAME\b~d" "$VPNC_DOWN_FILE"
logger -t "($(basename "$0"))" $$ "ipset $IPSET_NAME entry deleted from $VPNC_DOWN_FILE"
Check_For_Shebang "$VPNC_DOWN_FILE"
else
logger -t "($(basename "$0"))" $$ "No $IPSET_NAME references found in $VPNC_DOWN_FILE"
fi
fi
done
#Check_Cron_Job
logger -t "($(basename "$0"))" $$ "Checking crontab..."
if cru l | grep "$IPSET_NAME" 2>/dev/null; then
cru d "$IPSET_NAME" "0 2 * * * ipset save $IPSET_NAME" 2>/dev/null
logger -t "($(basename "$0"))" $$ CRON schedule deleted: "#$IPSET_NAME#" "'0 2 * * * ipset save $IPSET_NAME'"
fi
logger -t "($(basename "$0"))" $$ "Checking PREROUTING iptables rules..."
FWMARK=$(iptables -nvL PREROUTING -t mangle --line | grep -m 1 "$IPSET_NAME " | awk '{print $16}' | tr -d '\r')
if [ -n "$FWMARK" ]; then
# Delete PREROUTING Rules for Normal IPSET routing
iptables -nvL PREROUTING -t mangle --line | grep "br0" | grep "$IPSET_NAME " | grep "match-set" | awk '{print $1, $12}' | sort -nr | while read -r CHAIN_NUM IPSET_NAME; do
iptables -t mangle -D PREROUTING "$CHAIN_NUM" && logger -t "($(basename "$0"))" $$ "Deleted PREROUTING Chain $CHAIN_NUM for IPSET List $IPSET_NAME"
done
# Delete the fmwark priority if no IPSET lists are using it
FWMARK_FLAG=$(iptables -nvL PREROUTING -t mangle --line | grep -m 1 "$FWMARK" | awk '{print $16}' | tr -d '\r' ' ')
if [ -z "$FWMARK_FLAG" ]; then
ip rule del fwmark "$FWMARK/$FWMARK" 2>/dev/null && logger -t "($(basename "$0"))" $$ "Deleted fwmark $FWMARK/$FWMARK"
fi
fi
# Delete PREROUTING Rule for VPN Server to IPSET & POSTROUTING Rule
logger -t "($(basename "$0"))" $$ "Checking POSTROUTNG iptables rules..."
for SERVER_TUN in tun21 tun22; do
SERVER=$(echo "$SERVER_TUN" | awk '{ string=substr($0, 5, 5); print string; }')
TUN="$(iptables -nvL PREROUTING -t mangle --line | grep "$SERVER_TUN" | grep "$IPSET_NAME" | grep "match-set" | awk '{print $7}')"
if [ -n "$TUN" ]; then
Define_IFACE "$IPSET_NAME"
VPN_CLIENT_INSTANCE=$(echo "$IFACE" | awk '{ string=substr($0, 5, 5); print string; }')
VPN_Server_to_IPSET "$SERVER" "$VPN_CLIENT_INSTANCE" "$IFACE" "$IPSET_NAME" "$TAG_MARK" "del"
fi
done
# Destroy the IPSET list
logger -t "($(basename "$0"))" $$ "Checking if IPSET list $IPSET_NAME exists..."
if [ "$(ipset list -n "$IPSET_NAME" 2>/dev/null)" = "$IPSET_NAME" ]; then
ipset destroy "$IPSET_NAME" && logger -st "($(basename "$0"))" $$ "IPSET $IPSET_NAME deleted!" || $$ "IPSET $IPSET_NAME deleted!" || Error_Exit "Error attempting to delete IPSET $IPSET_NAME!"
fi
logger -t "($(basename "$0"))" $$ "Checking if IPSET backup file exists..."
if [ -s "$DIR/$IPSET_NAME" ]; then
if [ "$DEL_FLAG" = "del" ]; then
while true; do
printf '\n%b%s%b\n' "$COLOR_RED" "DANGER ZONE!" "$COLOR_WHITE"
printf '\n%s%b%s%b\n' "Delete the backup file in " "$COLOR_GREEN" "$DIR/$IPSET_NAME" "$COLOR_WHITE"
printf '%b[1]%b --> Yes\n' "$COLOR_GREEN" "$COLOR_WHITE"
printf '%b[2]%b --> No\n' "$COLOR_GREEN" "$COLOR_WHITE"
echo
printf '[1-2]: '
read -r "CONFIRM_DEL"
case "$CONFIRM_DEL" in
1)
rm "$DIR/$IPSET_NAME" && printf '\n%b%s%b%s\n' "$COLOR_GREEN" "$DIR/$IPSET_NAME" "$COLOR_WHITE" " file deleted."
echo
return
;;
*)
return
;;
esac
done
elif [ "$DEL_FLAG" = "FORCE" ]; then
rm "$DIR/$IPSET_NAME" && printf '\n%b%s%b%s\n' "$COLOR_GREEN" "$DIR/$IPSET_NAME" "$COLOR_WHITE" " file deleted."
fi
fi
}
DNSMASQ_Parm() {
if [ "$(echo "$@" | grep -c "dnsmasq_file=")" -eq 1 ]; then
DNSMASQ_FILE=$(echo "$@" | sed -n "s/^.*dnsmasq_file=//p" | awk '{print $1}')
if [ -s "$DNSMASQ_FILE" ]; then
while read -r DOMAINS; do
COMMA_DOMAINS_LIST="$COMMA_DOMAINS_LIST,$DOMAINS"
done <"$DNSMASQ_FILE"
DOMAINS="$(echo "$COMMA_DOMAINS_LIST" | sed 's/^,*//;')"
fi
sed -i "\~ipset=.*$IPSET_NAME~d" /jffs/configs/dnsmasq.conf.add
fi
if [ "$(echo "$@" | grep -c "dnsmasq=")" -eq 1 ]; then
DOMAINS=$(echo "$@" | sed -n "s/^.*dnsmasq=//p" | awk '{print $1}')
fi
DOMAINS_LIST=$(echo "$DOMAINS" | sed 's/,$//' | tr ',' '/')
DNSMASQ_ENTRY="/$DOMAINS_LIST/$IPSET_NAME"
Process_DNSMASQ "$IPSET_NAME" "$DNSMASQ_ENTRY" "$DIR"
}
ASNUM_Parm() {
ASN=$(echo "$@" | sed -n "s/^.*asnum=//p" | awk '{print $1}' | tr ',' ' ')
for ASN in $ASN; do
PREFIX=$(printf '%-.2s' "$ASN")
NUMBER="$(echo "$ASN" | sed 's/^AS//')"
if [ "$PREFIX" = "AS" ]; then
# Check for valid Number and skip if bad
A=$(echo "$NUMBER" | grep -oE '^\-?[0-9]+$')
if [ -z "$A" ]; then
echo "Skipping invalid ASN: $NUMBER"
else
Create_Ipset_List "$IPSET_NAME" "ASN"
Download_ASN_Ipset_List "$IPSET_NAME" "$ASN"
fi
else
Error_Exit "Invalid Prefix specified: $PREFIX. Valid value is 'AS'"
fi
done
}
AWS_Region_Parm() {
AWS_REGION=$(echo "$@" | sed -n "s/^.*aws_region=//p" | awk '{print $1}' | tr ',' ' ')
for AWS_REGION in $AWS_REGION; do
case "$AWS_REGION" in
AP)
REGION="ap-east-1 ap-northeast-1 ap-northeast-2 ap-northeast-3 ap-south-1 ap-southeast-1 ap-southeast-2"
;;
CA)
REGION="ca-central-1"
;;
CN)
REGION="cn-north-1 cn-northwest-1"
;;
EU)
REGION="eu-central-1 eu-north-1 eu-west-1 eu-west-2 eu-west-3"
;;
SA)
REGION="sa-east-1"
;;
US)
REGION="us-east-1 us-east-2 us-west-1 us-west-2"
;;
GV)
REGION="us-gov-east-1 us-gov-west-1"
;;
GLOBAL)
REGION="GLOBAL"
;;
*)
Error_Exit "Invalid AMAZON region specified: $AWS_REGION. Valid values are: AP CA CN EU SA US GV GLOBAL"
;;
esac
Create_Ipset_List "$IPSET_NAME" "AWS"
Load_AWS_Ipset_List "$IPSET_NAME" "$REGION" "$DIR"
done
}
Manual_Method() {
Chk_Entware 60
if [ "$READY" -eq 1 ]; then Error_Exit "Entware not ready. Unable to access ipset save/restore location"; fi
############## Special Processing for 'ip=' parmameter
if [ "$(echo "$@" | grep -c 'ip=')" -gt 0 ]; then
IP=$(echo "$@" | sed -n "s/^.*ip=//p" | awk '{print $1}')
[ -s "$DIR/$IPSET_NAME" ] || true >"/opt/tmp/$IPSET_NAME"
true >"/opt/tmp/${SCR_NAME}" # create tmp file for loop processing
for IPv4 in $(echo "$IP" | tr ',' '\n'); do
awk -v A="$IPv4" 'BEGIN {print A}' >>"/opt/tmp/${SCR_NAME}"
while read -r IPv4; do
# check for IPv4 format
A=$(echo "$IPv4" | grep -oE "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$")
if [ -z "$A" ]; then # If null, then didn't pass check for IPv4 Format.
# Check for IPv4 CIDR Format https://unix.stackexchange.com/questions/505115/regex-expression-for-ip-address-cidr-in-bash
A=$(echo "$IPv4" | grep -oE "^([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])(\.([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])){3}/([0-9]|[12][0-9]|3[012])$")
if [ -z "$A" ]; then
printf '"%s" is not a valid CIDR address. Skipping entry.\n' "$IPv4"
else
printf '%s\n' "$IPv4" >>"$DIR/$IPSET_NAME" && printf '%s\n' "Successfully added CIDR $IPv4"
fi
else
printf '%s\n' "$IPv4" >>"$DIR/$IPSET_NAME" && printf '%s\n' "Successfully added $IPv4"
fi
done <"/opt/tmp/${SCR_NAME}"
rm "/opt/tmp/${SCR_NAME}"
# remove any duplicate entries that may have gotten added
sort -gt '/' -k 1 "$DIR/$IPSET_NAME" | sort -ut '.' -k 1,1n -k 2,2n -k 3,3n -k 4,4n >"$DIR/${IPSET_NAME}_tmp"
mv "$DIR/${IPSET_NAME}_tmp" "$DIR/$IPSET_NAME"
done
fi
############## End of Special Processing for 'ip=' parameter
if [ -s "$DIR/$IPSET_NAME" ]; then
if grep -q "create" "$DIR/$IPSET_NAME"; then
Error_Exit "ERROR! $DIR/$IPSET_NAME save/restore file is in dnsmasq format. The Manual Method requires IPv4 format."
fi
Create_Ipset_List "$IPSET_NAME" "MANUAL"
Load_MANUAL_Ipset_List "$IPSET_NAME" "$DIR"
else
Error_Exit "ERROR! The save/restore file $DIR/$IPSET_NAME does not exist."
fi
}
VPN_Server_to_VPN_Client() {
VPN_SERVER_INSTANCE=$1
IFACE=$2
VPN_CLIENT_INSTANCE=$3
DEL_FLAG=$4
SERVER="server=$VPN_SERVER_INSTANCE"
CLIENT="client=$VPN_CLIENT_INSTANCE"
SCRIPT_ENTRY="sh /jffs/scripts/x3mRouting/x3mRouting.sh $SERVER $CLIENT"
VPN_SERVER_SUBNET="$(nvram get vpn_server"${VPN_SERVER_INSTANCE}"_sn)/24"
IPTABLES_DEL_ENTRY="iptables -t nat -D POSTROUTING -s \"\$(nvram get vpn_server${VPN_SERVER_INSTANCE}_sn)\"/24 -o $IFACE -j MASQUERADE 2>/dev/null"
IPTABLES_ADD_ENTRY="iptables -t nat -A POSTROUTING -s \"\$(nvram get vpn_server${VPN_SERVER_INSTANCE}_sn)\"/24 -o $IFACE -j MASQUERADE"
VPNC_UP_FILE="/jffs/scripts/x3mRouting/vpnclient${VPN_CLIENT_INSTANCE}-route-up"
VPNC_DOWN_FILE="/jffs/scripts/x3mRouting/vpnclient${VPN_CLIENT_INSTANCE}-route-pre-down"
POLICY_RULE_WITHOUT_NAME="${VPN_SERVER_SUBNET}>>VPN"
POLICY_RULE="<VPN Server ${VPN_SERVER_INSTANCE}>${VPN_SERVER_SUBNET}>>VPN"