1 files changed, 107 insertions, 0 deletions
diff --git a/scripts/live-bottom/23networking b/scripts/live-bottom/23networking
new file mode 100755
index 0000000..988206e
--- /dev/null
+++ b/scripts/live-bottom/23networking
@@ -0,0 +1,107 @@
+#! /bin/sh
+
+PREREQ=""
+DESCRIPTION="Preconfiguring networking..."
+IFFILE="/root/etc/network/interfaces"
+
+. /scripts/live-functions
+
+prereqs()
+{
+       echo "$PREREQ"
+}
+
+case $1 in
+# get pre-requisites
+prereqs)
+       prereqs
+       exit 0
+       ;;
+esac
+
+log_begin_msg "$DESCRIPTION"
+
+if [ "${STATICIP}" = "frommedia" -a -e  "$IFFILE" ] ; then
+    # will use existent /etc/network/interfaces
+    log_end_msg
+    exit 0
+fi
+
+cat > "$IFFILE" <<EOF
+auto lo
+iface lo inet loopback
+
+EOF
+
+udevtrigger
+udevsettle
+
+if [ -z "${NETBOOT}" -a -n "${STATICIP}" -a "${STATICIP}" != "frommedia" ]; then
+    parsed=$(echo "${STATICIP}" | sed -e 's/:/ /g')
+    for ifline in ${parsed}; do
+        ifname="$(echo ${ifline} | cut -f1 -d ',')"
+        ifaddress="$(echo ${ifline} | cut -f2 -d ',')"
+        ifnetmask="$(echo ${ifline} | cut -f3 -d ',')"
+        ifgateway="$(echo ${ifline} | cut -f4 -d ',')"
+        cat >> "$IFFILE" <<EOF
+auto ${ifname}
+iface ${ifname} inet static
+    address ${ifaddress}
+    netmask ${ifnetmask}
+    gateway ${ifgateway}
+
+EOF
+    done
+else
+    if [ -z "${NETBOOT}" ]; then
+        # default, dhcp assigned
+        method="dhcp"
+    else
+        # make sure that the preconfigured interface would not get reassigned by dhcp
+        # on startup by ifup script - otherwise our root fs might be disconnected!
+        method="manual"
+    fi
+    # iterate the physical interfaces and add them to the interfaces list
+    for interface in /sys/class/net/eth* /sys/class/net/ath* /sys/class/net/wlan*; do
+        [ -e $interface ] || continue
+        i="$(basename $interface)"
+        cat >> "$IFFILE" <<EOF
+auto $i
+iface $i inet $method
+
+EOF
+    done
+    if [ ! -f /root/etc/resolv.conf -a -f /netboot.config ] ; then
+        # create a resolv.conf if it is not present
+        cp /netboot.config /root/var/log/netboot.config
+        rc_search=$(cat netboot.config | awk '/domain/{print $3}')
+        rc_server0=$(cat netboot.config | awk '/dns0/{print $5}')
+        rc_server1=$(cat netboot.config | awk '/dns0/{print $8}')
+        rc_server0="nameserver ${rc_server0}"
+        if [ "${rc_server1}" = "0.0.0.0" ]; then
+            rc_server1=""
+        else
+            rc_server1="nameserver ${rc_server1}"
+        fi
+        cat > /root/etc/resolv.conf <<EOF
+# /etc/resolv.conf
+# Autogenerated by casper
+search ${rc_search}
+domain ${rc_search}
+${rc_server0}
+${rc_server1}
+EOF
+        cat /root/etc/resolv.conf >> /root/var/log/netboot.config
+    fi
+fi
+
+for i in eth0 eth1 eth2 ath0 wlan0; do
+    grep -q "iface $i" $IFFILE && continue
+    cat >> "$IFFILE" <<EOF
+auto $i
+iface $i inet dhcp
+
+EOF
+done
+
+log_end_msg