Michal
/
SWS-12500-custom-component
mirror of https://github.com/schizza/SWS-12500-custom-component
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Minor tweaks.

pull/18/head
schizza 2024-04-28 17:00:42 +02:00
parent 5dc35ec7ad
commit be93b490e0
2 changed files with 34 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
install_iptables.sh
View File

@ -73,7 +73,10 @@ function cont() {
read -n 1 YN
YN=${YN:-N}
case $YN in
[Yy]) return 0 ;;
[Yy])
echo -e "\n"
return 0
;;
[Nn]) error "\nExiting." ;;
*) error "\nInvalid response.\n" false ;;
esac

59
iptables_redirect.sh
View File

@ -8,7 +8,6 @@
#
# Script pro přesměrování portu pro stanici SWS12500
STATION_IP=[_STATION_IP_]
HA=[_HA_]
SRC_PORT=[_SRC_PORT_]
@ -22,21 +21,22 @@ GREEN_COLOR='\033[0;32m'
GREEN_YELLOW='\033[1;33m'
NO_COLOR='\033[0m'
function info () { echo -e "${GREEN_COLOR}INFO: $1${NO_COLOR}";}
function warn () { echo -e "${GREEN_YELLOW}WARN: $1${NO_COLOR}";}
function error () { echo -e "${RED_COLOR}ERROR: $1${NO_COLOR}"; if [ "$2" != "false" ]; then exit 1;fi; }
function check () {
echo -n "Checking dependencies: '$1' ... "
if [ -z "$(command -v "$1")" ]; then
error "not installed" $2
return 1
fi
info "OK."
return 0
function info() { echo -e "${GREEN_COLOR}$1${NO_COLOR}"; }
function warn() { echo -e "${GREEN_YELLOW}$1${NO_COLOR}"; }
function error() {
echo -e "${RED_COLOR}$1${NO_COLOR}"
if [ "$2" != "false" ]; then exit 1; fi
}
function check() {
echo -n "Checking dependencies: '$1' ... "
if [ -z "$(command -v "$1")" ]; then
error "not installed" $2
return 1
fi
info "OK."
return 0
}
echo
echo "**************************************************************"
@ -54,22 +54,21 @@ INSTALL_IPTABLES=$?
check "apk" false
APK_MISSING=$?
if [ $APK_MISSING -eq 1 ] && [ $INSTALL_IPTABLES -eq 1 ]; then
error "Could not install and run iptables.\n'apk' installer is missing and 'iptables' are not installed.\n"
error "Could not install and run iptables.\n'apk' installer is missing and 'iptables' are not installed.\n"
fi
if [ $INSTALL_IPTABLES -eq 1 ] && [ $APK_MISSING -eq 0 ]; then
declare -a RUNINSTALL=(apk add iptables)
echo -n "Installing 'iptables' ... ${RUNINSTALL[@]} ... "
${RUNINSTALL[@]}
EXIT_STATUS=$?
if [ $EXIT_STATUS -ne 0 ]; then
warn "apk error code: $EXIT_STATUS"
error "Installation of iptables failed!"
else
info "'iptables' installed successfully."
fi
declare -a RUNINSTALL=(apk add iptables)
echo -n "Installing 'iptables' ... ${RUNINSTALL[@]} ... "
${RUNINSTALL[@]}
EXIT_STATUS=$?
if [ $EXIT_STATUS -ne 0 ]; then
warn "apk error code: $EXIT_STATUS"
error "Installation of iptables failed!"
else
info "'iptables' installed successfully."
fi
fi
declare -a RULE=(PREROUTING -t nat -s $STATION_IP -d $HA -p tcp -m tcp --dport $SRC_PORT -j REDIRECT --to-ports $DST_PORT)
echo -n "Chceking for existing rule in iptables ... "
@ -77,13 +76,15 @@ $(iptables -C ${RULE[@]} 2>/dev/null)
if [ $? -eq 0 ]; then
warn "Rule is already present in PREROUTING chain."
else
info "not found."
echo -n "Inserting iptables rule to PREROUTING chain ... "
$(iptables -I ${RULE[@]})
fi
EXIT_STATUS=$?
if [ $EXIT_STATUS -ne 0 ]; then
warn "iptables error code: ${EXIT_STATUS} "
error "Rule could not be added!"
warn "iptables error code: ${EXIT_STATUS} "
error "Rule could not be added!"
fi
info "iptables are set to forward port $SRC_PORT -> $DST_PORT for station's IP: $STATION_IP"
info "OK."
info "iptables are now set to redirect incomming connections from $STATION_IP:Any -> $HA:$SRC_PORT to $HA:$DST_PORT"