From 4802a95195614a238c80bbdaf9b51535049b8572 Mon Sep 17 00:00:00 2001
From: Dirk
Date: Tue, 12 Jul 2011 18:20:33 +0200
Subject: More virt/emu stuff ...

---
 src/os-plugins/plugins/qemukvm/XX_qemukvm.sh |  4 ++--
 src/os-plugins/plugins/qemukvm/files/ifdown  | 16 +++++++++++++---
 src/os-plugins/plugins/qemukvm/files/ifup    | 23 ++++++-----------------
 3 files changed, 21 insertions(+), 22 deletions(-)

(limited to 'src')

diff --git a/src/os-plugins/plugins/qemukvm/XX_qemukvm.sh b/src/os-plugins/plugins/qemukvm/XX_qemukvm.sh
index a239d034..3f952241 100644
--- a/src/os-plugins/plugins/qemukvm/XX_qemukvm.sh
+++ b/src/os-plugins/plugins/qemukvm/XX_qemukvm.sh
@@ -103,9 +103,9 @@ ALL ALL=NOPASSWD: /opt/openslx/rootfs/usr/sbin/brctl addif br0 tap*
 ALL ALL=NOPASSWD: /opt/openslx/rootfs/bin/ip link set dev tap* *
 ALL ALL=NOPASSWD: /opt/openslx/rootfs/bin/ip addr add * dev tap*
 ALL ALL=NOPASSWD: /opt/openslx/rootfs/usr/sbin/udhcpd -S /tmp/qemukvm/*/udhcpd.conf
-ALL ALL=NOPASSWD: /opt/openslx/rootfs/bin/cp /tmp/qemukvm/*/forwarding /proc/sys/net/ipv4/conf/tap*/forwarding
-ALL ALL=NOPASSWD: /opt/openslx/rootfs/bin/cp /tmp/qemukvm/*/forwarding /proc/sys/net/ipv4/conf/br*/forwarding
+ALL ALL=NOPASSWD: /sbin/sysctl -q -w net.ipv4.conf.*.forwarding=?
 ALL ALL=NOPASSWD: /opt/openslx/rootfs/usr/bin/killall -9 udhcpd
+ALL ALL=NOPASSWD: /sbin/iptables -t nat -? POSTROUTING -s 192.168.1*.0/24 -o br0 -j MASQUERADE
 EOF
   fi
 else
diff --git a/src/os-plugins/plugins/qemukvm/files/ifdown b/src/os-plugins/plugins/qemukvm/files/ifdown
index f740cd42..b56be1df 100644
--- a/src/os-plugins/plugins/qemukvm/files/ifdown
+++ b/src/os-plugins/plugins/qemukvm/files/ifdown
@@ -14,11 +14,21 @@
 # -----------------------------------------------------------------------------
 
 # get VM_ID through tap name
-#VM_ID=$(echo $1 | grep -oE "0[0-4]$")
+VM_ID=$(echo $1 | grep -oE "0[0-4]$")
 #QKTMPDIR=/tmp/qemukvm/${USER}/${VM_ID}
 # not optimal if multiple machines run
-sudo /opt/openslx/rootfs/usr/bin/killall -9 udhcpd || exit 0
-sudo /opt/openslx/rootfs/bin/ip link set dev $1 down || exit 0
+case "$1" in
+  tapbridge0*)
+    sudo /sbin/sysctl -q -w net.ipv4.conf.$1.forwarding=0 || failed=1
+  ;;
+  tapnat0*)
+    sudo /sbin/sysctl -q -w net.ipv4.conf.$1.forwarding=0 || failed=1
+    sudo /sbin/iptables -t nat -D POSTROUTING -s 192.168.1${VM_ID}.0/24 -o br0 \
+      -j MASQUERADE || failed=1
+  ;;
+esac
+sudo /opt/openslx/rootfs/usr/bin/killall -9 udhcpd || failed=1
+sudo /opt/openslx/rootfs/bin/ip link set dev $1 down || failed=1
 
 # Produce a clean exit status
 exit 0
diff --git a/src/os-plugins/plugins/qemukvm/files/ifup b/src/os-plugins/plugins/qemukvm/files/ifup
index 2052903d..d061fe0b 100644
--- a/src/os-plugins/plugins/qemukvm/files/ifup
+++ b/src/os-plugins/plugins/qemukvm/files/ifup
@@ -32,10 +32,8 @@ case "$1" in
     sudo /opt/openslx/rootfs/bin/ip link set dev $1 up
     # TODO: forwarding?, where needed
     echo "1" >${QKTMPDIR}/forwarding
-    sudo /opt/openslx/rootfs/bin/cp ${QKTMPDIR}/forwarding \
-      /proc/sys/net/ipv4/conf/br0/forwarding
-    sudo /opt/openslx/rootfs/bin/cp ${QKTMPDIR}/forwarding \
-      /proc/sys/net/ipv4/conf/$1/forwarding
+    sudo /sbin/sysctl -q -w net.ipv4.conf.br0.forwarding=1
+    sudo /sbin/sysctl -q -w net.ipv4.conf.$1.forwarding=1
   ;;
   tapnat0*)
     # Configuring DHCP on host tapnat interface and enable IP masquerading
@@ -43,12 +41,9 @@ case "$1" in
     sudo /opt/openslx/rootfs/bin/ip addr add 192.168.1${VM_ID}.1/24 dev $1
     sudo /opt/openslx/rootfs/bin/ip link set dev $1 up
     # TODO: forwarding?, where needed
-    echo "1" >${QKTMPDIR}/forwarding
-    sudo /opt/openslx/rootfs/bin/cp ${QKTMPDIR}/forwarding \
-      /proc/sys/net/ipv4/conf/br0/forwarding
-    sudo /opt/openslx/rootfs/bin/cp ${QKTMPDIR}/forwarding \
-      /proc/sys/net/ipv4/conf/$1/forwarding
-    # TODO: we use here atatic address, maybe change later
+    sudo /sbin/sysctl -q -w net.ipv4.conf.br0.forwarding=1
+    sudo /sbin/sysctl -q -w net.ipv4.conf.$1.forwarding=1
+    # TODO: we use here static address, maybe change later
     sed -e "s,NWIF,$1,;s,CNETWORK,192.168.1${VM_ID}," \
         -e "s,PIDFILE,${QKTMPDIR}/udhcpd.pid," \
         -e "s,LEASEFILE,${QKTMPDIR}/udhcpd.leases," \
@@ -57,19 +52,13 @@ case "$1" in
     touch ${QKTMPDIR}/udhcpd.leases
     sudo /opt/openslx/rootfs/usr/sbin/udhcpd \
       -S ${QKTMPDIR}/udhcpd.conf
-    # iptables -t nat -A POSTROUTING -o br0 -j MASQUERADE
+    sudo /sbin/iptables -t nat -A POSTROUTING -s 192.168.1${VM_ID}.0/24 -o br0 -j MASQUERADE
   ;;
   taphost0*)
     # Configuring DHCP on host taphost interface
     # Fixme: sudo /opt/openslx/rootfs/bin/ip addr add ${hoaddress} dev $1
     sudo /opt/openslx/rootfs/bin/ip addr add 192.168.1${VM_ID}.1/24 dev $1
     sudo /opt/openslx/rootfs/bin/ip link set dev $1 up
-    # TODO: forwarding?, where needed
-    echo "1" >${QKTMPDIR}/forwarding
-    sudo /opt/openslx/rootfs/bin/cp ${QKTMPDIR}/forwarding \
-      /proc/sys/net/ipv4/conf/br0/forwarding
-    sudo /opt/openslx/rootfs/bin/cp ${QKTMPDIR}/forwarding \
-      /proc/sys/net/ipv4/conf/$1/forwarding
     sed -e "s,NWIF,$1,;s,USER,${USER},;s,CNETWORK,192.168.1${VM_ID}," \
         -e "s,PIDFILE,${QKTMPDIR}/udhcpd.pid," \
         -e "s,LEASEFILE,${QKTMPDIR}/udhcpd.leases," \
-- 
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