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wg_manager.sh
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wg_manager.sh
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#!/bin/sh
VERSION="v4.13"
#============================================================================================ © 2021 Martineau v4.13
#
# wg_manager {start|stop|restart|show|create|peer} [ [client [policy|nopolicy] |server]} [wg_instance] ]
#
# wg_manager start 0
# Initialises remote peer 'client' 'wg0'
# wg_manager start client 0
# Initialises remote peer 'client' 'wg0'
# wg_manager start 1
# Initialises local peer 'server' 'wg1'
# wg_manager start server 1
# Initialises local peer 'server' 'wg21'
# wg_manager start client 1
# Initialises remote peer 'client' 'wg11' uses interface naming convention as per OpenVPN e.g. tun11
# wg_manager start client 1 policy
# Initialises remote peer 'client' 'wg11' in 'policy' Selective Routing mode
# wg_manager stop client 3
# Terminates remote peer 'client' 'wg13'
# wg_manager stop 1
# wg_manager restart SGS8
# Restart legacy-named Peer and auto-detect if it's a 'client' or 'server'
#
# Maintainer: Martineau
# Last Updated Date: 16-Dec-2021
#
# Description:
#
# Acknowledgement:
#
# Contributors: odkrys,Torson,ZebMcKayhan,jobhax,elorimer,Sh0cker54,here1310,defung,The Chief
GIT_REPO="wireguard"
GITHUB_MARTINEAU="https://raw.githubusercontent.com/MartineauUK/$GIT_REPO/main"
GITHUB_MARTINEAU_DEV="https://raw.githubusercontent.com/MartineauUK/$GIT_REPO/dev"
GITHUB_ZEBMCKAYHAN="https://raw.githubusercontent.com/ZebMcKayhan/Wireguard/master" # v4.11
GITHUB_DIR=$GITHUB_MARTINEAU # default for script
CONFIG_DIR="/opt/etc/wireguard.d/" # Conform to "standards" # v2.03 @elorimer
IMPORT_DIR=$CONFIG_DIR # Allow custom Peer .config import directory v4.01
INSTALL_DIR="/jffs/addons/wireguard/"
CHECK_GITHUB="Y" # Check versions on Github
SILENT="s" # Default is no progress messages for file downloads
DEBUGMODE=
READLINE="ReadLine" # Emulate 'readline' for 'read' # v2.03
CMDLINE= # Command line INPUT # v2.03
CMD1=;CMD2=;CMD3=;CMD4=;CMD5= # Command recall push stack # v2.03
SQL_DATABASE="/opt/etc/wireguard.d/WireGuard.db" # SQL # v3.05
INSTALL_MIGRATE="N" # Migration from v3.0 to v4.0 # v4.01
Say() {
echo -e $$ $@ | logger -st "($(basename $0))"
}
SayT() {
echo -e $$ $@ | logger -t "($(basename $0))"
}
# shellcheck disable=SC2034
ANSIColours () {
cRESET="\e[0m";cBLA="\e[30m";cRED="\e[31m";cGRE="\e[32m";cYEL="\e[33m";cBLU="\e[34m";cMAG="\e[35m";cCYA="\e[36m";cGRA="\e[37m";cFGRESET="\e[39m"
cBGRA="\e[90m";cBRED="\e[91m";cBGRE="\e[92m";cBYEL="\e[93m";cBBLU="\e[94m";cBMAG="\e[95m";cBCYA="\e[96m";cBWHT="\e[97m"
aBOLD="\e[1m";aDIM="\e[2m";aUNDER="\e[4m";aBLINK="\e[5m";aREVERSE="\e[7m"
aBOLDr="\e[21m";aDIMr="\e[22m";aUNDERr="\e[24m";aBLINKr="\e[25m";aREVERSEr="\e[27m"
cWRED="\e[41m";cWGRE="\e[42m";cWYEL="\e[43m";cWBLU="\e[44m";cWMAG="\e[45m";cWCYA="\e[46m";cWGRA="\e[47m"
cYBLU="\e[93;48;5;21m"
cRED_="\e[41m";cGRE_="\e[42m"
xHOME="\e[H";xERASE="\e[2J";xERASEDOWN="\e[J";xERASEUP="\e[1J";xCSRPOS="\e[s";xPOSCSR="\e[u";xERASEEOL="\e[K";xQUERYCSRPOS="\e[6n"
xGoto="\e[Line;Columnf"
}
# Print between line beginning with'#==' to first blank line inclusive
ShowHelp() {
echo -en $cBWHT >&2
awk '/^#==/{f=1} f{print; if (!NF) exit}' $0
echo -en $cRESET >&2
}
Parse() {
#
# Parse "Word1,Word2|Word3" ",|" VAR1 VAR2 REST
# (Effectivley executes VAR1="Word1";VAR2="Word2";REST="Word3")
local TEXT IFS
TEXT="$1"
IFS="$2"
shift 2
read -r -- "$@" <<EOF
$TEXT
EOF
}
Is_HND() {
# Use the following at the command line otherwise 'return X' makes the SSH session terminate!
#[ -n "$(uname -m | grep "aarch64")" ] && echo Y || echo N
[ -n "$(uname -m | grep "aarch64")" ] && { echo Y; return 0; } || { echo N; return 1; }
}
Is_AX() {
# Kernel is '4.1.52+' (i.e. isn't '2.6.36*') and it isn't HND
# Use the following at the command line otherwise 'return X' makes the SSH session terminate!
# [ -n "$(uname -r | grep "^4")" ] && [ -z "$(uname -m | grep "aarch64")" ] && echo Y || echo N
[ -n "$(uname -r | grep "^4")" ] && [ -z "$(uname -m | grep "aarch64")" ] && { echo Y; return 0; } || { echo N; return 1; }
}
Get_Router_Model() {
# Contribution by @thelonelycoder as odmpid is blank for non SKU hardware,
local HARDWARE_MODEL
[ -z "$(nvram get odmpid)" ] && HARDWARE_MODEL=$(nvram get productid) || HARDWARE_MODEL=$(nvram get odmpid)
echo $HARDWARE_MODEL
return 0
}
Chain_exists() {
# Args: {chain_name} [table_name]
local CHAIN="$1"
shift
[ $# -eq 1 ] && local TABLE="-t $1"
iptables $TABLE -n -L $CHAIN >/dev/null 2>&1
local RC=$?
if [ $RC -ne 0 ];then
echo "N"
return 1
else
echo "Y"
return 0
fi
}
Get_WAN_IF_Name () {
# echo $([ -n "$(nvram get wan0_pppoe_ifname)" ] && echo $(nvram get wan0_pppoe_ifname) || echo $(nvram get wan0_ifname))
# nvram get wan0_gw_ifname
# nvram get wan0_proto
local IF_NAME=$(ip route | awk '/^default/{print $NF}') # Should ALWAYS be 100% reliable ?
local IF_NAME=$(nvram get wan0_ifname) # ...but use the NVRAM e.g. DHCP/Static ?
# Usually this is probably valid for both eth0/ppp0e ?
if [ "$(nvram get wan0_gw_ifname)" != "$IF_NAME" ];then
local IF_NAME=$(nvram get wan0_gw_ifname)
fi
if [ ! -z "$(nvram get wan0_pppoe_ifname)" ];then
local IF_NAME="$(nvram get wan0_pppoe_ifname)" # PPPoE
fi
echo $IF_NAME
}
Repeat() {
# Print 25 '=' use HDRLINE=$(Repeat 25 "=")
printf "%${1}s\n" | tr " " "$2"
}
Is_IPv4() {
grep -oE '^([0-9]{1,3}\.){3}[0-9]{1,3}$' # IPv4 format
}
Is_IPv6() {
# Note this matches compression anywhere in the address, though it won't match the loopback address ::1
grep -oE '([A-Fa-f0-9]{1,4}::?){1,7}[A-Fa-f0-9]{1,4}' # IPv6 format -very crude
}
Is_IPv4_CIDR() {
grep -oE '^([0-9]{1,3}\.){3}[0-9]{1,3}/[0-9]{1,2}$' # IPv4 CIDR range notation
}
Is_IPv6() {
# Note this matches compression anywhere in the address, though it won't match the loopback address ::1
grep -oE '([A-Fa-f0-9]{1,4}::?){1,7}[A-Fa-f0-9]{1,4}' # IPv6 format -very crude
}
Is_Private_IPv4() {
# 127. 0.0.0 – 127.255.255.255 127.0.0.0 /8
# 10. 0.0.0 – 10.255.255.255 10.0.0.0 /8
# 172. 16.0.0 – 172. 31.255.255 172.16.0.0 /12
# 192.168.0.0 – 192.168.255.255 192.168.0.0 /16
#grep -oE "(^192\.168\.([0-9]|[0-9][0-9]|[0-2][0-5][0-5])\.([0-9]|[0-9][0-9]|[0-2][0-5][0-5])$)|(^172\.([1][6-9]|[2][0-9]|[3][0-1])\.([0-9]|[0-9][0-9]|[0-2][0-5][0-5])\.([0-9]|[0-9][0-9]|[0-2][0-5][0-5])$)|(^10\.([0-9]|[0-9][0-9]|[0-2][0-5][0-5])\.([0-9]|[0-9][0-9]|[0-2][0-5][0-5])\.([0-9]|[0-9][0-9]|[0-2][0-5][0-5])$)"
grep -oE "(^127\.)|(^(0)?10\.)|(^172\.(0)?1[6-9]\.)|(^172\.(0)?2[0-9]\.)|(^172\.(0)?3[0-1]\.)|(^169\.254\.)|(^192\.168\.)"
}
Is_Private_IPv6() {
grep -oE "(::1$)|([fF][cCdD])"
}
Convert_1024KMG() {
local NUM=$1
local UNIT=$(echo "$2" | tr '[a-z]' '[A-Z]')
case "$UNIT" in
M|MB|MIB)
NUM=$(echo $NUM | awk '{printf "%.0f", $1*1024*1024}') # v4.02 Hotfix
;;
G|GB|GIB)
NUM=$(echo $NUM | awk '{printf "%.0f", $1*1024*1024*1024}') # v4.02 Hotfix
;;
K|KB|KIB)
NUM=$(echo $NUM | awk '{printf "%.0f", $1*1024}') # v4.02 Hotfix
;;
B)
;;
esac
echo $NUM
}
Convert_SECS_to_HHMMSS() {
local SECS=$1
local DAYS_TXT=
if [ $SECS -ge 86400 ] && [ -n "$2" ];then # More than 24:00 i.e. 1 day?
local DAYS=$((${SECS}/86400))
SECS=$((SECS-DAYS*86400))
local DAYS_TXT=$DAYS" days"
fi
local HH=$((${SECS}/3600))
local MM=$((${SECS}%3600/60))
local SS=$((${SECS}%60))
if [ -z "$2" ];then
echo $(printf "%02d:%02d:%02d" $HH $MM $SS) # Return 'hh:mm:ss" format
else
if [ -n "$2" ] && [ -z "$DAYS_TXT" ];then
DAYS_TXT="0 Days, "
fi
echo $(printf "%s %02d:%02d:%02d" "$DAYS_TXT" $HH $MM $SS) # Return in "x days hh:mm:ss" format
fi
}
EpochTime(){
#e.g. Convert a time into Epoch seconds...
# date -d "2018-11-13 20:56" +%s
# 1542142560
# and to convert it back
#
#date -d @1542142560 "+%F %T"
# 2018-11-13 20:56:00
if [ -z "$1" ];then
RESULT=$(date +%s) # Convert current timestamp into Epoch seconds
else
if [ -z "$2" ];then
RESULT=$(date -d @"$1" +%s) # Convert specified YYYY-MM-DD HH:MM:SS into Epoch seconds
else
RESULT=$(date -d @"$1" "+%F %T") # Convert specified Epoch seconds into YYYY-MM-DD HH:MM:SS
fi
fi
echo $RESULT
}
Size_Human() {
local SIZE=$1
if [ -z "$SIZE" ];then
echo "N/A"
return 1
fi
#echo $(echo $SIZE | awk '{ suffix=" KMGT"; for(i=1; $1>1024 && i < length(suffix); i++) $1/=1024; print int($1) substr(suffix, i, 1), $3; }')
# if [ $SIZE -gt $((1024*1024*1024*1024)) ];then # 1,099,511,627,776
# printf "%2.2f TB\n" $(echo $SIZE | awk '{$1=$1/(1024^4); print $1;}')
# else
if [ $SIZE -gt $((1024*1024*1024)) ];then # 1,073,741,824
printf "%2.2f GiB\n" $(echo $SIZE | awk '{$1=$1/(1024^3); print $1;}')
else
if [ $SIZE -gt $((1024*1024)) ];then # 1,048,576
printf "%2.2f MiB\n" $(echo $SIZE | awk '{$1=$1/(1024^2); print $1;}')
else
if [ $SIZE -gt $((1024)) ];then
printf "%2.2f KiB\n" $(echo $SIZE | awk '{$1=$1/(1024); print $1;}')
else
printf "%d Bytes\n" $SIZE
fi
fi
fi
# fi
return 0
}
Check_Lock() {
if [ -f "/tmp/wg.lock" ] && [ -d "/proc/$(sed -n '2p' /tmp/wg.lock)" ] && [ "$(sed -n '2p' /tmp/wg.lock)" != "$$" ]; then
if [ "$(($(date +%s)-$(sed -n '3p' /tmp/wg.lock)))" -gt "1800" ]; then
Kill_Lock
else
logger -st wg "[*] Lock File Detected ($(sed -n '1p' /tmp/wg.lock)) (pid=$(sed -n '2p' /tmp/wg.lock)) - Exiting (cpid=$$)"
echo; exit 1
fi
fi
if [ -n "$1" ]; then
echo "$1" > /tmp/wg.lock
else
echo "menu" > /tmp/wg.lock
fi
echo "$$" >> /tmp/wg.lock
date +%s >> /tmp/wg.lock
}
Kill_Lock() {
if [ -f "/tmp/wg.lock" ] && [ -d "/proc/$(sed -n '2p' /tmp/wg.lock)" ]; then
logger -st wg "[*] Killing Locked Processes ($(sed -n '1p' /tmp/wg.lock)) (pid=$(sed -n '2p' /tmp/wg.lock))"
logger -st wg "[*] $(ps | awk -v pid="$(sed -n '2p' /tmp/wg.lock)" '$1 == pid')"
kill "$(sed -n '2p' /tmp/wg.lock)"
rm -rf /tmp/wg.lock
echo
fi
}
download_file() {
local DIR="$1"
local FILE="$2"
local GITHUB="$3"
local GITHUB_BRANCH="$4"
local DOSUNIX="$5"
local CHMOD="$6"
case $GITHUB in
martineau)
[ "$GITHUB_BRANCH" != "dev" ] && GITHUB_DIR=$GITHUB_MARTINEAU || GITHUB_DIR=$GITHUB_MARTINEAU_DEV
;;
esac
[ "$GITHUB_BRANCH" == "dev" ] && local DEVTXT=${cRESET}$cWRED"Github 'dev/development' branch"$cRESET || local DEVTXT=
STATUS="$(curl --retry 3 -L${SILENT} -w '%{http_code}' "$GITHUB_DIR/$FILE" -o "$DIR/$FILE")"
if [ "$STATUS" -eq "200" ]; then
if [ -n "$(echo "$@" | grep -F "dos2unix")" ];then
[ "$(which dos2unix)" == "/usr/bin/dos2unix" ] && dos2unix $DIR/$FILE || dos2unix -q $DIR/$FILE # v4.12
fi
printf '\t%b%s%b downloaded successfully %b\n' "$cBGRE" "$FILE" "$cRESET" "$DEVTXT"
[ -n "$CHMOD" ] && chmod $CHMOD "$DIR/$FILE"
else
printf '\n%b%s%b download FAILED with curl error %s\n\n' "\n\t\a$cBMAG" "'$FILE'" "$cBRED" "$STATUS"
echo -e $cRESET"\a\n"
exit 1
fi
}
_Get_File() {
local WEBFILE=$1
local REPOSITORY_OWNER=$2
local FROM_REPOSITORY="main"
[ "$3" == "dev" ] && { local FROM_REPOSITORY=$3; local FROM_RESPOSITORY_TXT="${cRESET}${cWRED}Github '$FROM_REPOSITORY' branch$cRESET"; } # v4.12
REPOSITORY="https://github.com/odkrys/entware-makefile-for-merlin/raw/main/" # v4.11
[ "$REPOSITORY_OWNER" != "odkrys" ] && local REPOSITORY="https://github.com/ZebMcKayhan/Wireguard/raw/${FROM_REPOSITORY}/" # v4.12 v4.11
[ -z "$(echo "$@" | grep "NOMSG")" ] && echo -e $cBCYA"\n\tDownloading WireGuard Kernel module ${cBWHT}'$WEBFILE'$cBCYA for $ROUTER (v$BUILDNO) @$REPOSITORY_OWNER $FROM_RESPOSITORY_TXT"$cRESET # v4.12
echo -en $cBGRE
curl -# -s -fL --retry 3 ${REPOSITORY}${WEBFILE} -o ${INSTALL_DIR}${WEBFILE} # v4.11
local RC=$?
[ $RC -ne 0 ] && { echo -e $cBRED; curl -# -fL --retry 3 ${REPOSITORY}${WEBFILE} -o ${INSTALL_DIR}${WEBFILE}; echo "URL: '${REPOSITORY}${WEBFILE}'"; } || echo -e "Success!" # v4.12
return $?
}
Download_Modules() {
local ROUTER=$1
local FROM_REPOSITORY=$2 # v4.12
[ -z "$FROM_REPOSITORY" ] && local FROM_REPOSITORY="main" # v4.12
local REPOSITORY_OWNER="odkrys" # v4.11
local USE_ENTWARE_KERNEL_MODULE="N" # v4.12
if [ -f ${INSTALL_DIR}WireguardVPN.conf ] && [ -n "$(grep -oE "^USE_ENTWARE_KERNEL_MODULE" ${INSTALL_DIR}WireguardVPN.conf)" ];then # v4.12
local USE_ENTWARE_KERNEL_MODULE="Y"
fi
if [ "$USE_ENTWARE_KERNEL_MODULE" == "Y" ];then
rm ${INSTALL_DIR}*.ipk 2>/dev/null # v4.12
[ -n "$(opkg list-installed | grep "wireguard-kernel")" ] && opkg remove wireguard-kernel 1>/dev/null
[ -n "$(opkg list-installed | grep "wireguard-tools")" ] && opkg remove wireguard-tools 1>/dev/null
rm ${INSTALL_DIR}*.ipk 2>/dev/null
fi
#local WEBFILE_NAMES=$(curl -${SILENT}fL https://www.snbforums.com/threads/experimental-wireguard-for-hnd-platform-4-1-x-kernels.46164/ | grep "<a href=.*odkrys.*wireguard" | grep -oE "wireguard.*" | sed 's/\"//g' | tr '\n' ' ')
local WEBFILE_NAMES=$(curl -${SILENT}fL https://api.github.com/repos/odkrys/entware-makefile-for-merlin/git/trees/main | grep "\"path\": \"wireguard-.*\.ipk\"," | cut -d'"' -f 4) # v4.11 @defung pull request https://github.com/MartineauUK/wireguard/pull/3
# Allow use of Entware/3rd Party Kernel modules even if included in firmware
if [ ! -f /usr/sbin/wg ] || [ "$USE_ENTWARE_KERNEL_MODULE" == "Y" ];then
case "$ROUTER" in
RT-AC86U|GT-AC2900) # RT-AC86U, GT-AC2900 - 4.1.27 e.g. wireguard-kernel_1.0.20210606-k27_1_aarch64-3.10.ipk
local WEBFILE_NAMES=$(curl -${SILENT}fL https://api.github.com/repos/ZebMcKayhan/Wireguard/git/trees/$FROM_REPOSITORY | grep "\"path\": \"wireguard-.*\.ipk\"," | cut -d'"' -f 4) # v4.12 v4.11
local REPOSITORY_OWNER="ZebMcKayhan"
local MODULE="$(echo "$WEBFILE_NAMES" | awk "/$ROUTER/ {print}")" # v4.13
[ -z "$MODULE" ] && local MODULE=$(echo "$WEBFILE_NAMES" | awk "/k27/ {print}") # v4.13
_Get_File "$MODULE" "$REPOSITORY_OWNER" "$FROM_REPOSITORY"
;;
RT-AX88U|GT-AX11000) # RT-AX88U, GT-AX11000 - 4.1.51 e.g. wireguard-kernel_1.0.20210219-k51_1_aarch64-3.10.ipk
local WEBFILE_NAMES=$(curl -${SILENT}fL https://api.github.com/repos/ZebMcKayhan/Wireguard/git/trees/$FROM_REPOSITORY | grep "\"path\": \"wireguard-.*\.ipk\"," | cut -d'"' -f 4) # v4.12
local REPOSITORY_OWNER="ZebMcKayhan"
local MODULE="$(echo "$WEBFILE_NAMES" | awk "/$ROUTER/ {print}")" # v4.13
[ -z "$MODULE" ] && local MODULE=$(echo "$WEBFILE_NAMES" | awk "/k51/ {print}") # v4.13
_Get_File "$MODULE" "$REPOSITORY_OWNER" "$FROM_REPOSITORY"
;;
RT-AX68U) # RT-AX68U - 4.1.52 e.g. wireguard-kernel_1.0.20210219-k52_1_aarch64-3.10.ipk
_Get_File "$(echo "$WEBFILE_NAMES" | awk '/k52/ {print}')" "$REPOSITORY_OWNER" "$FROM_REPOSITORY" # k52_1
;;
RT-AX86U|GT-AC5700) # v4.12 These models have wireguard in the firmware
# RT-AX68U, RT-AX86U - 4.1.52 e.g. wireguard-kernel_1.0.20210219-k52_1_aarch64-3.10.ipk
_Get_File "$(echo "$WEBFILE_NAMES" | awk '/k52/ {print}')" "$REPOSITORY_OWNER" "$FROM_REPOSITORY" # k52_1
;;
*)
echo -e $cBRED"\a\n\t***ERROR: Unable to find 3rd-Party WireGuard Kernel module for $ROUTER (v$BUILDNO)\n"$cRESET
# Deliberately Download an incompatible file simply so that an error message is produced by 'opkg install*.ipk'
#
# Unknown package 'wireguard-kernel'.
# Collected errors:
# * pkg_hash_fetch_best_installation_candidate: Packages for wireguard-kernel found, but incompatible with the architectures configured
# * opkg_install_cmd: Cannot install package wireguard-kernel.
#
#
#_Get_File "$(echo "$WEBFILE_NAMES" | awk '{print $1}')" "$REPOSITORY_OWNER" "$FROM_REPOSITORY"
ROUTER_COMPATIBLE="N"
;;
esac
else
local FPATH=$(modprobe --show-depends wireguard | awk '{print $2}')
local FVERSION=$(strings $FPATH | grep "^version" | cut -d'=' -f2) # v4.12 @ZebMcKayhan
echo -e $cBGRE"\n\t[✔]$cBWHT WireGuard Kernel module/User Space Tools included in Firmware $ROUTER (v$BUILDNO)"$cRED" ($FVERSION)\n"$cRESET # v4.12
echo -e $cBYEL"\a\t\tWireGuard exists in firmware - use ${cRESET}'vx'${cBYEL} command to override with 3rd-Party/Entware (if available)"$cRESET
fi
# User Space Tools - Allow use of Entware/3rd Party modules even if Modules included in firmware
if [ ! -f /usr/sbin/wg ] || [ "$USE_ENTWARE_KERNEL_MODULE" == "Y" ];then # v4.12 Is the User Space Tools included in the firmware?
if [ "$ROUTER_COMPATIBLE" != "N" ];then # v4.13 HOTFIX
WEBFILE=$(echo "$WEBFILE_NAMES" | awk '/wireguard-tools/ {print}')
echo -e $cBCYA"\n\tDownloading WireGuard User space Tool$cBWHT '$WEBFILE'$cBCYA for $ROUTER (v$BUILDNO) @$REPOSITORY_OWNER $FROM_RESPOSITORY_TXT"$cRESET # v4.11
_Get_File "$WEBFILE" "$REPOSITORY_OWNER" "$FROM_REPOSITORY" "NOMSG" # v4.12 v4.11
fi
else
echo -e $cBYEL"\a\t\tUser Space tool exists in firmware - use ${cRESET}'vx'${cBYEL} command to override with 3rd-Party/Entware (if available)\n"$cRESET
fi
}
Load_UserspaceTool() {
local USE_ENTWARE_KERNEL_MODULE="N" # v4.12
if [ -f ${INSTALL_DIR}WireguardVPN.conf ] && [ -n "$(grep -oE "^USE_ENTWARE_KERNEL_MODULE" ${INSTALL_DIR}WireguardVPN.conf)" ];then # v4.12
local USE_ENTWARE_KERNEL_MODULE="Y"
fi
if [ ! -d "${INSTALL_DIR}" ];then
echo -e $cRED"\a\n\tNo modules found - '/${INSTALL_DIR} doesn't exist'\n"
echo -e "\tPress$cBRED y$cRESET to$cBRED DOWNLOAD WireGuard Kernel and Userspace Tool modules ${cRESET} or press$cBGRE [Enter] to SKIP."
read -r "ANS"
if [ "$ANS" == "y" ];then
Download_Modules $HARDWARE_MODEL
fi
fi
local ACTIVE_WG_INTERFACES=$(echo "$(wg show interfaces)" | tr " " "\n" | sort -r | tr "\n" " ") # v4.13
STATUS=0
if [ ! -f /usr/sbin/wg ] || [ "$USE_ENTWARE_KERNEL_MODULE" == "Y" ];then # v4.12 Is the User Space Tools included in the firmware?
echo -e $cBCYA"\n\tLoading WireGuard Kernel module and Userspace Tool for $HARDWARE_MODEL (v$BUILDNO)"$cRESET
if [ -n "$(ls /jffs/addons/wireguard/*.ipk 2>/dev/null)" ];then
for MODULE in $(ls /jffs/addons/wireguard/*.ipk)
do
opkg install $MODULE
if [ $? -eq 0 ];then
MODULE_NAME=$(echo "$(basename $MODULE)" | sed 's/_.*$//')
md5sum $MODULE > ${INSTALL_DIR}$MODULE_NAME".md5"
sed -i 's~/jffs/addons/wireguard/~~' ${INSTALL_DIR}$MODULE_NAME".md5"
else
STATUS=0
fi
done
fi
if [ "$STATUS" -eq 0 ];then
insmod /opt/lib/modules/wireguard 2>/dev/null
echo -e $cBGRA"\t"$(dmesg | grep -a "WireGuard" | tail -n 1)
echo -e $cBGRA"\t"$(dmesg | grep -a "wireguard: Copyright" | tail -n 1)"\n"$cRESET
return 0
else
echo -e $cBRED"\a\n\t***ERROR: Unable to DOWNLOAD WireGuard Kernel and Userspace Tool modules\n"
return 1
fi
else
local KERNEL_MODULE=$(find / -name "wireguard.ko" | tr '\n' ' ' | awk '{print $1}') # v4.12
if [ -n "$KERNEL_MODULE" ];then
local FPATH=$(modprobe --show-depends wireguard | awk '{print $2}')
local FVERSION=$(strings $FPATH | grep "^version" | cut -d'=' -f2) # v4.12 @ZebMcKayhan
echo -e $cBGRE"\n\t[✔]$cBWHT WireGuard Kernel module/User Space Tools included in Firmware"$cRED" ($FVERSION)\n"$cRESET
rmmod $KERNEL_MODULE 2>/dev/null # v4.12
insmod $KERNEL_MODULE 2>/dev/null # v4.12
logger -t "wireguard-server${VPN_ID:3:1}" "Initialising WireGuard Kernel module '$KERNEL_MODULE'"
echo -e $cBGRA"\t"$(dmesg | grep -a "WireGuard" | tail -n 1)
echo -e $cBGRA"\t"$(dmesg | grep -a "wireguard: Copyright" | tail -n 1)"\n"$cRESET
rm ${INSTALL_DIR}*.ipk 2>/dev/null # v4.12
[ -n "$(opkg list-installed | grep "wireguard-kernel")" ] && opkg remove wireguard-kernel 1>/dev/null
[ -n "$(opkg list-installed | grep "wireguard-tools")" ] && opkg remove wireguard-tools 1>/dev/null
else
logger -t "wireguard-server${VPN_ID:3:1}" "***ERROR Failure to Initialise WireGuard Kernel module!"
return 1
fi
fi
[ -n "$ACTIVE_WG_INTERFACES" ] && Manage_Wireguard_Sessions "start" "$ACTIVE_WG_INTERFACES" # v4.13
}
Show_MD5() {
local TYPE=$1
if [ "$TYPE" == "script" ];then
echo -e $cBCYA"\tMD5="$(awk '{print $0}' ${INSTALL_DIR}wg_manager.md5)
else
if [ ! -f /usr/sbin/wg ] || [ "$(which wg)" == "/opt/bin/wg" ];then # v4.12
echo -e $cBCYA"\tMD5="$(awk '{print $0}' ${INSTALL_DIR}wireguard-kernel.md5)
echo -e $cBCYA"\tMD5="$(awk '{print $0}' ${INSTALL_DIR}wireguard-tools.md5)
else
echo -e $cBYEL"\a\n\t***ERROR: MD5= ???? - WireGuard exists in firmware for $ROUTER (v$BUILDNO)\n"$cRESET
fi
fi
}
Check_Module_Versions() {
local ACTION=$1
local UPDATES="N"
echo -e $cBGRA"\t"$(dmesg | grep -a "WireGuard" | tail -n 1) # v4.12
echo -e $cBGRA"\t"$(dmesg | grep -a "wireguard: Copyright" | tail -n 1)"\n"$cRESET # v4.12
if [ -n "$(lsmod | grep -i wireguard)" ];then
if [ -n "$(opkg status wireguard-kernel | awk '/^Installed/ {print $2}')" ];then
local LOADTIME=$(date -d @$(opkg status wireguard-kernel | awk '/^Installed/ {print $2}'))
else
local LOADTIME=
fi
echo -e $cBGRE"\t[✔] WireGuard Module LOADED $LOADTIME\n"$cRESET
else
echo -e $cBRED"\t[✖] WireGuard Module is NOT LOADED\n"$cRESET
fi
# Without a BOOT or 'loadmodule' command was issued, there may be a mismatch
local BOOTLOADED=$(dmesg | grep -a WireGuard | tail -n 1 | awk '{print $3}')
local WGKERNEL=$(opkg list-installed | grep "wireguard-kernel" | awk '{print $3}' | sed 's/\-.*$//')
local WGTOOLS=$(opkg list-installed | grep "wireguard-tools" | awk '{print $3}' | sed 's/\-.*$//')
local USE_ENTWARE_KERNEL_MODULE="N" # v4.12
if [ -f ${INSTALL_DIR}WireguardVPN.conf ] && [ -n "$(grep -oE "^USE_ENTWARE_KERNEL_MODULE" ${INSTALL_DIR}WireguardVPN.conf)" ];then
local USE_ENTWARE_KERNEL_MODULE="Y"
fi
if [ -f /usr/sbin/wg ] && [ "$USE_ENTWARE_KERNEL_MODULE" == "N" ];then
local FPATH=$(modprobe --show-depends wireguard | awk '{print $2}')
local WGKERNEL=$(strings $FPATH | grep "^version" | cut -d'=' -f2) # v4.12 @ZebMcKayhan
fi
#[ "$WGKERNEL" != "$BOOTLOADED" ] && echo -e $cRED"\a\n\tWarning: Reboot or 'loadmodule command' required for (dmesg) WireGuard $WGKERNEL $BOOTLOADED\n"
Show_MD5
if [ "$ACTION" != "report" ];then
# Check if Kernel and User Tools Update available
echo -e $cBWHT"\tChecking for WireGuard Kernel and Userspace Tool updates..."
if [ "$HARDWARE_MODEL" != "RT-AC86U" ] && [ "$HARDWARE_MODEL" != "GT-AC2900" ];then # v4.12
local REPOSITORY_OWNER="odkrys" # v4.12
local REPOSITORY_TITLE="entware-makefile-for-merlin" # v4.12
else
local REPOSITORY_OWNER="ZebMcKayhan" # v4.12
local REPOSITORY_TITLE="Wireguard" # v4.12
fi
local FILES=$(curl -${SILENT}fL https://api.github.com/repos/$REPOSITORY_OWNER/$REPOSITORY_TITLE/git/trees/main | grep "\"path\": \"wireguard-.*\.ipk\"," | cut -d'"' -f 4 | tr '\r\n' ' ') # v4.12 v4.11 @defung pull request https://github.com/MartineauUK/wireguard/pull/3
if [ "$ACTION" == "force" ];then # v4.12
local UPDATES="Y" # v4.12
else
[ -z "$(echo "$FILES" | grep -F "$WGKERNEL")" ] && { echo -e $cBYEL"\t\tKernel UPDATE available" $FILE; local UPDATES="Y"; }
[ -z "$(echo "$FILES" | grep -F "$WGTOOLS")" ] && { echo -e $cBYEL"\t\tUserspace Tool UPDATE available" $FILE; local UPDATES="Y"; }
fi
if [ "$UPDATES" == "Y" ];then
if [ "$ACTION" != "force" ];then # v4.12
echo -e $cRESET"\n\tPress$cBRED y$cRESET to$cBRED Update WireGuard Kernel and Userspace Tool${cRESET} or press$cBGRE [Enter] to SKIP."
read -r "ANS"
else
local ANS="y" # v4.12
fi
if [ "$ANS" == "y" ];then
Download_Modules $HARDWARE_MODEL
Load_UserspaceTool
else
echo -e $cBWHT"\n\tUpdate skipped\n"$cRESET
fi
else
echo -e $cBGRE"\n\tWireGuard Kernel and Userspace Tool up to date.\n"$cRESET
fi
fi
}
Create_Peer() {
local ACTION=$1;shift
local USE_IPV6="N"
while [ $# -gt 0 ]; do # v3.02
case "$1" in
auto*)
local AUTO="$(echo "$@" | sed -n "s/^.*auto=//p" | awk '{print $1}')"
;;
port*)
local LISTEN_PORT="$(echo "$@" | sed -n "s/^.*port=//p" | awk '{print $1}')"
local LISTEN_PORT_USER="Y"
;;
ipv6*)
local USE_IPV6="Y"
local IPV6_TXT="(IPv6) "
local SERVER_PEER=
local VPN_POOL="$(echo "$@" | sed -n "s/^.*ipv6=//p" | awk '{print $1}')"
if [ "${1:0:5}" == "ipv6=" ] && [ -n "$VPN_POOL" ];then
local VPN_POOL_USER="Y"
fi
;;
ip=*)
local VPN_POOL="$(echo "$@" | sed -n "s/^.*ip=//p" | awk '{print $1}')"
local VPN_POOL_USER="Y"
;;
*)
local SERVER_PEER=$1
case $SERVER_PEER in
new)
local SERVER_PEER=
;;
esac
;;
esac
shift
done
local INDEX=
[ -z "$LISTEN_PORT" ] && local LISTEN_PORT=11500
[ -z "$AUTO" ] && local AUTO="N" || AUTO=$(echo "$AUTO" | tr 'a-z' 'A-Z')
if [ -z "$SERVER_PEER" ];then
# Use the last IPv4 server as the VPN POOL
local SERVER_PEER=$(sqlite3 $SQL_DATABASE "SELECT peer FROM servers WHERE subnet LIKE '%.%';" | sort | tail -n 1)
[ -n "$SERVER_PEER" ] && local AUTO_VPN_POOL=$(sqlite3 $SQL_DATABASE "SELECT subnet FROM servers WHERE peer='$SERVER_PEER';") || local AUTO_VPN_POOL="10.50.0.1/24"
local SERVER_PEER=$(sqlite3 $SQL_DATABASE "SELECT peer FROM servers;" | sort | tail -n 1)
# User specified VPN Tunnel subnet?
if [ -z "$VPN_POOL_USER" ];then
[ -z "$AUTO_VPN_POOL" ] && AUTO_VPN_POOL="10.50.1.1/24"
local ONE_OCTET=$(echo "$AUTO_VPN_POOL" | cut -d'.' -f1)
local TWO_OCTET=$(echo "$AUTO_VPN_POOL" | cut -d'.' -f2)
local THIRD_OCTET=$(echo "$AUTO_VPN_POOL" | cut -d'.' -f3)
local REST=$(echo "$AUTO_VPN_POOL" | cut -d'.' -f4-)
local NEW_THIRD_OCTET=$((THIRD_OCTET+1))
local SERVER_CNT=$(sqlite3 $SQL_DATABASE "SELECT COUNT(peer) FROM servers;")
[ $SERVER_CNT -ge $NEW_THIRD_OCTET ] && local NEW_THIRD_OCTET=$((SERVER_CNT+1))
local VPN_POOL=$(echo -e "$ONE_OCTET.$TWO_OCTET.$NEW_THIRD_OCTET.$REST")
if [ "$USE_IPV6" == "Y" ];then
[ -z "$TWO_OCTET" ] && local TWO_OCTET="50"
[ -z "$NEW_THIRD_OCTET" ] && local NEW_THIRD_OCTET="1"
local VPN_POOL="fc00:${TWO_OCTET}:${NEW_THIRD_OCTET}::1/64"
fi
fi
# Add the new 'server' Peer at the end of the list in the config
#POS=$(awk -v pattern="$SERVER_PEER" 'match($0,"^"pattern) {print NR":"$0}' ${INSTALL_DIR}WireguardVPN.conf | tail -n 1 | cut -d':' -f1)
#INDEX=$(echo "$SERVER_PEER" | sed 's/^wg2//')
local INDEX=$(sqlite3 $SQL_DATABASE "SELECT COUNT(peer) FROM servers;")
local INDEX=$((INDEX+1))
local SERVER_PEER="wg2"$INDEX
# User specified Listen Port?
[ -z "$LISTEN_PORT_USER" ] && LISTEN_PORT=$((LISTEN_PORT+INDEX))
else
[ "${SERVER_PEER:0:3}" == "wg2" ] && INDEX=${SERVER_PEER:3:1} || { echo -e $cBRED"\a\n\t***ERROR Invalid WireGuard 'server' Peer prefix (wg2*) '$SERVER_PEER'\n"$cRESET; return 1; }
fi
if [ "$USE_IPV6" == "N" ];then
[ -z "$(echo "$VPN_POOL" | Is_IPv4_CIDR)" ] && { echo -e $cBRED"\a\n\t***ERROR: '$VPN_POOL' must be IPv4 CIDR"$cRESET; return 1; }
else
[ -z "$(echo "$VPN_POOL" | sed 's~/.*$~~' | Is_Private_IPv6)" ] && { echo -e $cBRED"\a\n\t***ERROR: ipv6='$VPN_POOL6' must be Private IPv6 address"$cRESET; return 1; }
fi
if [ -f ${CONFIG_DIR}${SERVER_PEER}.conf ] || [ -n "$(grep -E "^$SERVER_PEER" ${INSTALL_DIR}WireguardVPN.conf)" ];then
echo -e $cBRED"\a\n\t***ERROR Invalid WireGuard 'server' Peer '$SERVER_PEER' already exists\n"$cRESET
return 1
fi
local WANIPADDR=$(nvram get wan0_ipaddr)
[ -n "$(echo "$WANIPADDR" | Is_Private_IPv4)" ] && echo -e ${cRESET}${cBRED}${aBOLD}"\a\n\t*** Ensure Upstream router Port Foward entry for port:${cBMAG}${LISTEN_PORT}${cRESET}${cBRED}${aBOLD} ***"$cRESET
echo -e $cBWHT"\n\tPress$cBRED y$cRESET to$cBRED Create ${IPV6_TXT}'server' Peer (${cBMAG}${SERVER_PEER}) ${cBWHT}${VPN_POOL}${cRESET}:${LISTEN_PORT}${cBWHT} or press$cBGRE [Enter] to SKIP."
read -r "ANS"
[ "$ANS" == "y" ] || return 1
# Create Server template
cat > ${CONFIG_DIR}${SERVER_PEER}.conf << EOF
# $HARDWARE_MODEL 'server' Peer #1 ($SERVER_PEER)
[Interface]
PrivateKey = Ha1rgO/plL4wCB+pRdc6Qh8bIAWNeNgPZ7L+HFBhoE4=
ListenPort = $LISTEN_PORT
# e.g. Accept a WireGuard connection from say YOUR mobile device to the router
# see '${CONFIG_DIR}mobilephone_private.key'
# Peer Example
#[Peer]
#PublicKey = Replace_with_the_Public_Key_of_YOUR_mobile_device
#AllowedIPs = PEER.ip.xxx.xxx/32
#PresharedKey = Replace_with_the_Pre-shared_Key_of_YOUR_mobile_device
# Peer Example End
EOF
echo -e $cBCYA"\tCreating WireGuard Private/Public key-pair for ${IPV6_TXT}'server' Peer ${cBMAG}${SERVER_PEER}${cBCYA} on $HARDWARE_MODEL (v$BUILDNO)"$cRESET
if [ -n "$(which wg)" ];then
wg genkey | tee ${CONFIG_DIR}${SERVER_PEER}_private.key | wg pubkey > ${CONFIG_DIR}${SERVER_PEER}_public.key
local PRI_KEY=$(cat ${CONFIG_DIR}${SERVER_PEER}_private.key)
local PRI_KEY=$(Convert_Key "$PRI_KEY")
local PUB_KEY=$(cat ${CONFIG_DIR}${SERVER_PEER}_public.key)
local PUB_KEY=$(Convert_Key "$PRI_KEY")
sed -i "/^PrivateKey/ s~[^ ]*[^ ]~$PRI_KEY~3" ${CONFIG_DIR}${SERVER_PEER}.conf
local ANNOTATE="# $HARDWARE_MODEL ${IPV6_TXT}Server $INDEX"
sqlite3 $SQL_DATABASE "INSERT INTO servers values('$SERVER_PEER','$AUTO','${VPN_POOL}','$LISTEN_PORT','$PUB_KEY','$PRI_KEY','$ANNOTATE');"
fi
echo -e $cBWHT"\tPress$cBRED y$cRESET to$cBRED Start ${IPV6_TXT}'server' Peer ($SERVER_PEER) or press$cBGRE [Enter] to SKIP."
read -r "ANS"
[ "$ANS" == "y" ] && { Manage_Wireguard_Sessions "start" "$SERVER_PEER"; Show_Peer_Status "show"; } # v3.03
# Firewall rule to listen on multiple ports?
# e.g. iptables -t nat -I PREROUTING -i $WAN_IF -d <yourIP/32> -p udp -m multiport --dports 53,80,4444 -j REDIRECT --to-ports $LISTEN_PORT
}
Delete_Peer() {
local FORCE=$2
for WG_INTERFACE in $@
do
if [ -n "$FORCE" ] || [ -f ${CONFIG_DIR}${WG_INTERFACE}.conf ];then # v3.05
if [ "$WG_INTERFACE" != "force" ];then
[ -f ${CONFIG_DIR}${WG_INTERFACE}.conf ] && local Mode=$(Server_or_Client "$WG_INTERFACE") || local Mode="?"
local SQL_COL="peer"
[ "$Mode" == "server" ] && local TABLE="servers" || TABLE="clients"
#[ "${WG_INTERFACE:0:2}" != "wg" ] && { TABLE="devices"; local SQL_COL="name"; Mode="device"; }
echo -e $cBWHT"\n\tDeleting '$Mode' Peer (${cBMAG}${WG_INTERFACE}${cBWHT})\n"$cBRED
if [ "$Mode" == "server" ];then
# Check how many 'client' Peers exist
local CNT=$(grep -cE "^AllowedIPs" ${CONFIG_DIR}${WG_INTERFACE}.conf )
if [ $CNT -gt 0 ];then
echo -e $cBRED"\n\tWarning: 'server' Peer ${cBMAG}${WG_INTERFACE}${cBRED} has ${cBWHT}${CNT}${cBRED} 'client' Peer\n"$cBYEL
grep -E -B 3 -A 1 "^AllowedIPs" ${CONFIG_DIR}${WG_INTERFACE}.conf
echo -e $cBWHT"\n\tYou can manually reassign them to a different 'server' Peer by recreating the 'client' Peer then rescan the QR code on the device"
fi
fi
echo -e $cBWHT"\tPress$cBRED y$cRESET to ${aBOLD}CONFIRM${cRESET}${cBRED} or press$cBGRE [Enter] to SKIP."
read -r "ANS"
if [ "$ANS" == "y" ];then
[ -n "$(wg show $WG_INTERFACE 2>/dev/null)" ] && Manage_Wireguard_Sessions "stop" "$WG_INTERFACE"
sqlite3 $SQL_DATABASE "DELETE FROM $TABLE WHERE $SQL_COL='$WG_INTERFACE';"
[ -n "$(sqlite3 $SQL_DATABASE "SELECT name FROM devices WHERE name='$WG_INTERFACE';")" ] && sqlite3 $SQL_DATABASE "DELETE FROM devices WHERE name='$WG_INTERFACE';"
# ... and delete associated RPDB Selective Routing rule
sqlite3 $SQL_DATABASE "DELETE FROM policy WHERE peer='$WG_INTERFACE';"
# IPsets
sqlite3 $SQL_DATABASE "DELETE FROM ipset WHERE peer='$WG_INTERFACE';"
# DDNS martineau.homeip.net
# Endpoint = martineau.homeip.net:51820
if [ -n "$FORCE" ] || [ -f ${CONFIG_DIR}${WG_INTERFACE}.conf ];then
if [ -n "$FORCE" ] || [ "$(awk -F '[ :]' '/^Endpoint/ {print $3}' ${CONFIG_DIR}${WG_INTERFACE}.conf)" == "$(nvram get ddns_hostname_x)" ];then # v4.02
# Remove the 'client' from any 'server' Peers
# # SGS8
# ..........
# # SGS8 End
# Scan for 'server' Peer that accepts this 'client' connection
SERVER_PEER=$(grep -HE "^#.*$WG_INTERFACE$" /opt/etc/wireguard.d/wg2*.conf | awk -F '[\/:\._]' '{print $6}') # v4.11
for SERVER_PEER in $SERVER_PEER
do
echo -e $cBGRE"\t'device' Peer ${cBMAG}${WG_INTERFACE}${cBGRE} removed from 'server' Peer (${cBMAG}${SERVER_PEER}${cBGRE})" # 4.02
sed -i "/^# $WG_INTERFACE$/,/^# $WG_INTERFACE End$/d" ${CONFIG_DIR}${SERVER_PEER}.conf
local RESTART_SERVERS=$RESTART_SERVERS" "$SERVER_PEER
done
fi
fi
if [ "${WG_INTERFACE:0:3}" == "wgc" ] || [ "${WG_INTERFACE:0:3}" == "wgs" ];then
# Shouldn't be used on a Router with WireGuard installed in firmware?
if [ "$(which wg)" != "/usr/sbin/wg" ];then
local INDEX="${WG_INTERFACE:3:1}"
nvram unset ${WG_INTERFACE:0:4}_addr
nvram unset ${WG_INTERFACE:0:4}_aips
nvram unset ${WG_INTERFACE:0:4}_alive
nvram unset ${WG_INTERFACE:0:4}_dns
nvram unset ${WG_INTERFACE:0:4}_enable
nvram unset ${WG_INTERFACE:0:4}_ep_addr
nvram unset ${WG_INTERFACE:0:4}_ep_port
nvram unset ${WG_INTERFACE:0:4}_nat
nvram unset ${WG_INTERFACE:0:4}_ppub
nvram unset ${WG_INTERFACE:0:4}_priv
nvram unset vpnc_clientlist
nvram unset vpnc_pptp_options_x_list
nvram unset wgc_unit
fi
fi
#echo -e $cBCYA"\tDeleting '${CONFIG_DIR}${WG_INTERFACE}*.*'"$cBRED
rm ${CONFIG_DIR}${WG_INTERFACE}* 2>/dev/null
echo -e $cBGRE"\t'$Mode' Peer ${cBMAG}${WG_INTERFACE}${cBGRE} ${cBRED}${aREVERSE}DELETED"$cRESET
# Do we need to restart any 'server' Peers?.....Remove duplicates from the restart list
RESTART_SERVERS=$(echo "$RESTART_SERVERS" | xargs -n1 | sort -u | xargs) # v3.05
for SERVER_PEER in $RESTART_SERVERS
do
# Need to Restart the 'server' Peer if it is UP
if [ -n "$(wg show interfaces | grep "$SERVER_PEER")" ];then
CMD="restart"
echo -e $cBWHT"\a\n\tWireGuard 'server' Peer needs to be ${CMD}ed to remove 'client' Peer ${cBMAG}$DEVICE_NAME $TAG"
echo -e $cBWHT"\tPress$cBRED y$cRESET to$cBRED $CMD 'server' Peer ($SERVER_PEER) or press$cBGRE [Enter] to SKIP."
read -r "ANS"
[ "$ANS" == "y" ] && { Manage_Wireguard_Sessions "$CMD" "$SERVER_PEER"; Show_Peer_Status "show"; } # v3.03
fi
done
fi
fi
else
[ -n "$Mode" ] && TXT="'$Mode' " || TXT= # v3.03
SayT "***ERROR: WireGuard VPN ${TXT}Peer ('$WG_INTERFACE') config NOT found?....skipping $ACTION request"
echo -e $cBRED"\a\n\t***ERROR: WireGuard ${TXT}Peer (${cBWHT}$WG_INTERFACE${cBRED}) config NOT found?....skipping delete Peer '${cBMAG}${WG_INTERFACE}${cBRED}' request\n"$cRESET 2>&1 # v1.09
fi
done
}
Import_Peer() {
local ACTION=$1;shift
local WG_INTERFACE=$1
if [ "$1" == "?" ];then
local CONFIGS=$(ls -1 ${CONFIG_DIR}*.conf 2>/dev/null | awk -F '/' '{print $5}' | grep -v "wg[1-2]" | sort )
echo -e $cBYEL"\n\t Available Peer Configs for import:\n${cRESET}$CONFIGS"
return 0
fi
if [ "$1" == "dir" ];then
IMPORT_DIR=$2
[ "${IMPORT_DIR:0:1}" != "/" ] && IMPORT_DIR="/opt/etc/"$IMPORT_DIR
[ ${IMPORT_DIR#"${IMPORT_DIR%?}"} != "/" ] && IMPORT_DIR=$IMPORT_DIR"/"
if [ -d $IMPORT_DIR ];then
echo -e $cBGRE"\n\t[✔] Import directory set $IMPORT_DIR"$cRESET 2>&1
else
echo -e $cBRED"\a\n\t***ERROR: Invalid directory ${cBWHT}'$IMPORT_DIR'"$cRESET 2>&1
return 1
fi
shift 2
local WG_INTERFACE=$1
fi
# Allow detection of NVRAM (spoofing!)
if [ -n "$(nvram dump 2>/dev/null | grep "wgc_unit")" ] || [ "$(which wg)" == "/usr/sbin/wg" ];then # v4.12
local ASUS_NVRAM="Y"
fi
while [ $# -gt 0 ]; do
#if [ "$ASUS_NVRAM" != "Y" ];then # v4.12
if [ -n "$(echo "$1" | grep -F "name=")" ];then
local RENAME="Y"
local NEW_NAME=$(echo "$1" | sed -n "s/^.*name=//p" | awk '{print $0}')
if [ -z "$NEW_NAME" ] || [ "$NEW_NAME" == "?" ];then
# Pick the next 'client' Peer name
for I in 11 12 13 14 15 16 17 18 19 111 112 113 114 115
do
[ -f ${CONFIG_DIR}wg${I}.conf ] && continue
local NEW_NAME="wg"$I
break
done
else
if [ -f ${CONFIG_DIR}${NEW_NAME}.conf ];then
echo -e $cBRED"\a\n\t***ERROR: Peer (${cBWHT}$NEW_NAME${cBRED}) ALREADY exists!"$cRESET
return 1
fi
fi
else
# v4.12 By default if 'name=' not specified import .config into next free 'wg1x' slot
if [ -z "$(echo "$WG_INTERFACE" | grep -E "^wg[1-2]")" ];then # v4.12
# Pick the next 'client' Peer name
for I in 11 12 13 14 15 16 17 18 19 111 112 113 114 115 # v4.12
do
[ -f ${CONFIG_DIR}wg${I}.conf ] && continue
local NEW_NAME="wg"$I
break
done
local RENAME="Y"
fi
fi
if [ "$1" == "tag=" ] || [ "$1" == "comment" ];then
local ANNOTATE="$(echo "$1" | sed -n "s/^.*tag=//p" | awk '{print $0}')"
[ -z "$ANNOTATE" ] && local ANNOTATE="$(echo "$@" | sed -n "s/^.*comment//p" | awk '{print $0}')"
break
fi
if [ -n "$(echo "$1" | grep -F "type=")" ];then
local FORCE_TYPE="$(echo "$1" | sed -n "s/^.*type=//p" | awk '{print $0}')" # v4.03
fi
#fi
shift
done
for WG_INTERFACE in $WG_INTERFACE $@
do
[ "$WG_INTERFACE" = "comment" ] && break
if [ "${WG_INTERFACE:0:1}" == "/" ];then # v4.12
local PATHNAME=$WG_INTERFACE
IMPORT_DIR=${PATHNAME%/*}"/" # v4.12 Directory
WG_INTERFACE=${PATHNAME##*/} # v4.12 Filename.Suffix i.e. strip Directory
WG_INTERFACE=${WG_INTERFACE%.*} # v4.12 Filename i.e. strip .Suffix
else
WG_INTERFACE=${WG_INTERFACE%.*} # v4.12 v4.11
fi
if [ -f ${IMPORT_DIR}${WG_INTERFACE}.conf ];then
local MODE=$(Server_or_Client "$WG_INTERFACE" "$IMPORT_DIR") # v4.12
[ -n "$FORCE_TYPE" ] && { MODE=$FORCE_TYPE; local FORCE_TYPE_TXT="(${cBRED}FORCED as 'client'${cRESET}) ${cBGRE}"; } # v4.03
if [ "$MODE" != "server" ];then
[ "$MODE" == "client" ] && { local TABLE="clients"; local AUTO="N"; local KEY="peer"; } || { TABLE="devices"; local AUTO="X"; local KEY="name"; } # v4.09
if [ -z "$(sqlite3 $SQL_DATABASE "SELECT $KEY FROM $TABLE WHERE $KEY='$WG_INTERFACE';")" ];then
if [ -z "$ANNOTATE" ];then
# Use comment line preceding the '[Interface]' directive
local ANNOTATE=$(grep -FB1 "[Interface]" ${IMPORT_DIR}${WG_INTERFACE}.conf | grep -vF "[Interface]")
[ -z "$ANNOTATE" ] && local ANNOTATE="# N/A" || local INSERT_COMMENT="N" # v4.03
fi
local ANNOTATE=$(echo "$ANNOTATE" | sed "s/'/''/g")
local ANNOTATE=$(printf "%s" "$ANNOTATE" | sed 's/^[ \t]*//;s/[ \t]*$//')
[ "${ANNOTATE:0:1}" != "#" ] && ANNOTATE="# "$ANNOTATE
while IFS='' read -r LINE || [ -n "$LINE" ]; do
case "${LINE%% *}" in
PrivateKey) local PRI_KEY=${LINE##* };;
PublicKey) local PUB_KEY=${LINE##* };;
AllowedIPs) local ALLOWIP=$(echo "$LINE" | sed 's/^AllowedIPs.*=//' | awk '{$1=$1};1') # v4.12 strip leading/trailing spaces/tabs
;;
Endpoint) local SOCKET=${LINE##* }
local SOCKET=$(echo "$SOCKET" | awk '{$1=$1};1') # v4.12 strip leading/trailing spaces/tabs
;;
"#"MTU) local MTU=${LINE##* };; # v4.09
"#"DNS) local COMMENT_DNS=${LINE##* } ;;
"#"Address) local COMMENT_SUBNET=${LINE##* } ;;
MTU) local MTU=${LINE##* } # v4.09
# This must be commented out!
[ "$MODE" == "client" ] && COMMENT_OUT="Y"
;;
DNS) local DNS=${LINE##* }
# This must be commented out!
[ "$MODE" == "client" ] && COMMENT_OUT="Y"
;;
Address) local SUBNET=${LINE##* }
# local IP_LIST=$(echo "$LINE" | sed 's/^Address.*=//' | tr ',' ' ' | awk '{$1=$1};1') # v4.12 strip leading/trailing spaces/tabs
# for IP in $IP_LIST # v4.12
# do
# # Only use IPv4 or IPv6 address or both? or leave the decision to 'wg_client' during initialisation
# if [ $(nvram get ipv6_service) == "disabled" ];then # v4.12
# if [ -z "$(echo "$IP" | Is_IPv4_CIDR)" ];then # v4.12
# local SUBNET=$IP
# break # v4.12 ignore IPv6
# else
# [ -z $(echo "$IP" | grep ":" ) ] && local SUBNET=$IP"/32" || local SUBNET=$IP # v4.12 add "/32" as appropriate
# fi