--- /dev/null
+#!/bin/bash
+
+
+PPPD_PIDFILE=/var/run/umts_pppd.pid
+
+PPPD=pppd
+
+STROK="remote IP address"
+
+PPP_INT=ppp0
+
+GCOM=""
+
+LOGF="/tmp/umtslogs"
+
+DESTS_FILE="/tmp/umts_dest_file"
+
+FILE_TEMP_NID="/tmp/umts_temp_nid"
+
+FILE_UMTS_INT="/var/run/umts_int"
+
+
+function set_umts_dev(){
+ echo $1 > $FILE_UMTS_INT
+}
+
+function get_umts_dev(){
+ cat $FILE_UMTS_INT
+}
+
+
+function start_gcom(){
+ if ! $GCOM -d `get_umts_dev`; then
+ return 1;
+ fi
+
+ return 0
+}
+
+function init(){
+ local found=1
+
+ modprobe nozomi
+ modprobe serial_cs
+
+ if [ -f /usr/bin/gcom ]; then
+ GCOM=/usr/bin/gcom
+ elif [ -f /usr/bin/comgt ]; then
+ GCOM=/usr/bin/comgt
+ else
+ echo "I couldn't find gcom"
+ return 1;
+ fi
+
+ for i in /dev/umts_modem /dev/umts_modem1; do
+ echo "Testing if the umts interface is present on the device $i..."
+ if $GCOM -d $i; then
+ found=0
+ set_umts_dev $i
+ break
+ fi
+ done
+
+ if ! [ $found == 0 ]; then
+ echo "I couldn't find the umts device; make a symlink from it to /dev/umts_modem"
+ return 1
+ fi
+
+ if ! grep umts_table /etc/iproute2/rt_tables > /dev/null 2>&1; then
+ echo "20 umts_table" >> /etc/iproute2/rt_tables
+ fi
+
+ return 0
+
+}
+
+
+
+
+function get_temp_nid(){
+ cat $FILE_TEMP_NID
+}
+
+
+function workaround_on(){
+ local sliver_nid=$1
+ local temp_nid=$2
+
+ iptables -t mangle -A OUTPUT -j MARK --copy-xid 0x00
+ iptables -t mangle -A OUTPUT -m mark --mark $sliver_nid -j MARK --set-mark $temp_nid
+ iptables -t nat -A POSTROUTING -o $PPP_INT -j SNAT --to-source `get_ppp_address`
+ iptables -t mangle -I POSTROUTING 1 -m mark --mark $temp_nid -j MARK --set-mark $sliver_nid
+
+# iptables -t mangle -D POSTROUTING -j MARK --copy-xid 0x00
+# iptables -t mangle -I POSTROUTING 1 ! -p icmp -j MARK --copy-xid 0x00
+
+}
+
+function workaround_off(){
+ local sliver_nid=$1
+ local temp_nid=$2
+
+ iptables -t mangle -D OUTPUT -j MARK --copy-xid 0x00
+ iptables -t mangle -D OUTPUT -m mark --mark $sliver_nid -j MARK --set-mark $temp_nid
+ iptables -t nat -D POSTROUTING -o $PPP_INT -j SNAT --to-source `get_ppp_address`
+ iptables -t mangle -D POSTROUTING -m mark --mark $temp_nid -j MARK --set-mark $sliver_nid
+
+# iptables -t mangle -I POSTROUTING 1 -j MARK --copy-xid 0x00
+# iptables -t mangle -D POSTROUTING ! -p icmp -j MARK --copy-xid 0x00
+}
+
+#called when the connection is up
+function conn_on(){
+ local sliver=$1
+ local sliver_nid=$2
+
+ #add_interface $1
+ rm -f $DESTS_FILE
+
+ touch $DESTS_FILE > /dev/null 2>&1
+
+
+ set_temp_nid $sliver_nid
+ local temp_nid=`get_temp_nid`
+
+ set_routes $sliver
+
+
+ workaround_on $sliver_nid $temp_nid
+
+ cat $LOGF | grep "local"
+ return 0
+
+}
+
+#called when the connection is down
+function conn_off(){
+ local sliver=$1
+ local sliver_nid=$2
+
+ temp_nid=`get_temp_nid`
+ workaround_off $sliver_nid $temp_nid
+
+ unset_routes $sliver
+
+}
+
+function start_umts(){
+ local sliver=$1
+ local sliver_nid=`get_nid $sliver`
+
+
+ if status_umts; then
+ echo "Already connected"
+ return 0;
+ fi
+
+ if ! [ -c `get_umts_dev` ]; then
+ echo "Umts interface not present"
+ return 1
+ fi
+
+ rm -f $LOGF
+
+ exec /usr/sbin/pppd nodetach `get_umts_dev` 460800 \
+ 0.0.0.0:0.0.0.0 \
+ connect "/usr/sbin/chat -v \
+ TIMEOUT 6 \
+ ABORT '\nBUSY\r' \
+ ABORT '\nNO ANSWER\r' \
+ ABORT '\nRINGING\r\n\r\nRINGING\r' \
+ '' ATZ OK 'ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0' OK \
+ ATD*99***1# CONNECT ''" > $LOGF &
+
+ echo $! > $PPPD_PIDFILE
+
+
+ sleep 5s; #waiting for the interface to establish the link
+ if grep "$STROK" $LOGF >/dev/null 2>&1; then
+
+ conn_on $sliver $sliver_nid
+ else
+ #second try
+ sleep 4s;
+ if grep "$STROK" $LOGF >/dev/null 2>&1; then
+ conn_on $sliver $sliver_nid
+ else
+ stop_umts $sliver
+ return 1
+ fi
+ fi
+}
+
+
+
+
+function stop_umts(){
+ local sliver=$1
+
+ if ! [ -e $PPPD_PIDFILE ]; then
+ echo "Disconnected"
+ return 0;
+ fi
+
+ PID=`cat $PPPD_PIDFILE`;
+
+ if [ -d /proc/$PID ] && grep $PPPD /proc/$PID/cmdline >/dev/null 2>&1; then
+ #del_interface $1;
+ conn_off $sliver `get_nid $sliver`
+ kill $PID;
+ sleep 5;
+ fi
+
+ if status_umts; then
+ return 1;
+ else
+ cat $LOGF | grep "time"
+ rm $PPPD_PIDFILE
+ return 0
+ fi
+}
+
+
+function status_umts(){
+
+ if ! [ -e $PPPD_PIDFILE ]; then return 1; fi
+
+ PID=`cat $PPPD_PIDFILE`
+
+ if [ -d /proc/$PID ] && grep $PPPD /proc/$PID/cmdline >/dev/null 2>&1; then
+ return 0;
+ else
+ return 1;
+ fi
+}
+
+#add the ppp interface from the slice - not used at the moment
+function add_interface(){
+ local nid=`get_nid $1`
+ $NADDRESS --add --nid $nid --ip $PPP_INT >>$LOGFILE 2>&1;
+}
+
+#remove the ppp interface from the slice - not used at the moment
+function del_interface(){
+ #not working yet because of naddress incompleteness
+ local nid=`get_nid $1`
+ #$NADDRESS --remove --nid $NID --ip $PPP_INT >>$LOGFILE 2>&1;
+}
+
+#get slice network id needed by naddress
+function get_nid(){
+ #NIDFILE="/usr/local/etc/vservers/${1}/context"
+ #cat $NIDFILE
+ id -u ${1}
+}
+
+#enable the explicit bind to the ppp interface
+function set_routes(){
+ local sliver=$1
+ local sliver_nid=`get_nid $sliver`
+ PPP_ADDR=`get_ppp_address`
+
+
+ ip route flush table umts_table >/dev/null 2>&1
+
+ # OLD ip rule add from $PPP_ADDR fwmark $sliver_nid table umts_table >/dev/null 2>&1
+ ip rule add from $PPP_ADDR fwmark `get_temp_nid` table umts_table >/dev/null 2>&1
+
+ ip route add default dev $PPP_INT src `get_ppp_address` table umts_table >/dev/null 2>&1
+ ip route flush cache >/dev/null 2>&1
+}
+
+#disable the explicit bind to the ppp interface
+function unset_routes(){
+ local sliver=$1
+ local sliver_nid=`get_nid $sliver`
+ local ppp_addr=`get_ppp_address`
+
+ ip rule del from $ppp_addr fwmark `get_temp_nid` table umts_table >/dev/null 2>&1
+ ip route del default dev $PPP_INT src `get_ppp_address` table umts_table >/dev/null 2>&1
+ ip route flush cache >/dev/null 2>&1
+
+ for i in `cat $DESTS_FILE`; do
+ del_destination $i $sliver > /dev/null 2>&1
+ done
+
+ rm $DESTS_FILE >/dev/null 2>&1
+
+}
+
+function add_destination(){
+ local dest="$1"
+ local sliver=$2
+
+ local sliver_nid=`get_nid $sliver`
+
+ local temp_nid=`get_temp_nid`
+
+ if [[ ! $dest ]]; then return 1; fi
+
+ if ! status_umts; then
+ return 1;
+ fi
+
+ #old - if ip route add to "$dest" dev $PPP_INT >/dev/null 2>&1 ; then
+ if ip rule add to "$dest" fwmark $temp_nid table umts_table >/dev/null 2>&1; then
+ echo "$dest" >> $DESTS_FILE
+ return 0
+ else
+ return 1
+ fi
+ ip route flush cache >/dev/null 2>&1
+}
+
+function del_destination(){
+ local dest="$1"
+ local sliver=$2
+
+ local sliver_nid=`get_nid $sliver`
+
+ local temp_nid=`get_temp_nid`
+
+ if [[ ! $dest ]]; then return 1; fi
+ #old - if ip route del to "$dest" dev $PPP_INT >/dev/null 2>&1; then
+ if ip rule del to "$dest" fwmark $temp_nid table umts_table >/dev/null 2>&1; then
+ return 0;
+ else
+ return 1;
+ fi
+ ip route flush cache >/dev/null 2>&1
+}
+
+
+function get_ppp_address(){
+ ifconfig $PPP_INT | grep inet\ addr | cut -d ":" -f 2 | cut -d " " -f 1
+}
+
+function set_temp_nid(){
+ local sliver_nid=$1
+ temp_nid=$((0x20000+$sliver_nid))
+ #k=0
+
+ #FIXME
+ #temp_nid=$sliver_nid
+
+ #while grep :$temp_nid: /etc/passwd; do
+ # temp_nid=$((temp_nid+1))
+ # k=$((k+1))
+ # if [[ $k == 1000 ]]; then
+ # logger "Fatal error: I couldn't find a temp_nid"
+ # stop_umts
+ # exit 1
+ # fi
+ #done
+
+ echo $temp_nid > $FILE_TEMP_NID
+
+
+}
+
+
+function valid_dotted_quad(){
+ oldIFS=$IFS
+ IFS=.
+ set -f
+ set -- $1
+ if [ $# -eq 4 ]
+ then
+ for seg
+ do
+ case $seg in
+ ""|*[!0-9]*) return 1; break ;; ## Segment empty or non-numeric char
+ *) [ $seg -gt 255 ] && return 2 ;;
+ esac
+ done
+ else
+ return 3 ## Not 4 segments
+ fi
+ IFS=$oldIFS
+ set +f
+ return 0;
+}
+
git://git.onelab.eu / planetlab-umts-tools.git / blobdiff