Adding casper 1.77+debian-6.

3 files changed, 43 insertions, 4 deletions

diff --git a/scripts/casper b/scripts/casper
index 8cfc0df..7358f85 100644
--- a/scripts/casper
+++ b/scripts/casper
@@ -73,6 +73,8 @@ parse_cmdline ()
                 export LIVEMEDIA=${x#*=} ;;
             live-media-timeout=*)
                 export LIVEMEDIA_TIMEOUT=${x#live-media-timeout=} ;;
+            live-media-offset=*)
+                export LIVEMEDIA_OFFSET=${x#live-media-offset=} ;;
             locale=*|debian-installer/locale=*)
                 export LOCALE=${x#*=} ;;
             keyb=*|kbd-chooser/method=*)
@@ -224,7 +226,7 @@ do_netmount() {
 
     modprobe "${MP_QUIET}" af_packet # For DHCP
 
-    ipconfig ${DEVICE} /tmp/net-${DEVICE}.conf
+    ipconfig ${DEVICE} /tmp/net-${DEVICE}.conf | tee /netboot.config
 
     if [ "${NFSROOT}" = "auto" ]; then
         NFSROOT=${ROOTSERVER}:${ROOTPATH}
@@ -482,6 +484,12 @@ check_dev ()
     if [ -z "${devname}" ]; then
         devname=$(sys2dev "${sysdev}")
     fi
+
+    if [ -n "${LIVEMEDIA_OFFSET}" ]; then
+        loopdevname=$(setup_loop "${devname}" "loop" "/sys/block/loop*" "${LIVEMEDIA_OFFSET}")
+        devname="${loopdevname}" 
+    fi
+
     fstype=$(get_fstype "${devname}")
     if is_supported_fs ${fstype}; then
         mount -t ${fstype} -o ro "${devname}" $mountpoint || continue
@@ -492,6 +500,10 @@ check_dev ()
             umount $mountpoint
         fi
     fi
+
+    if [ -n "${LIVEMEDIA_OFFSET}" ]; then
+        losetup -d "${loopdevname}"
+    fi
     return 1
 }
 
diff --git a/scripts/casper-bottom/23networking b/scripts/casper-bottom/23networking
index 2bdf9b0..129ca35 100755
--- a/scripts/casper-bottom/23networking
+++ b/scripts/casper-bottom/23networking
@@ -21,7 +21,7 @@ esac
 
 log_begin_msg "$DESCRIPTION"
 
-if [ "${STATICIP}" == "frommedia" ] && [ -e  "$IFFILE" ] ; then
+if [ "${STATICIP}" == "frommedia" -a -e  "$IFFILE" ] ; then
     # will use existent /etc/network/interfaces
     log_end_msg
     exit 0
@@ -35,7 +35,7 @@ EOF
 
 udevtrigger
 
-if [ -z "${NETBOOT}" -a -n "${STATICIP}" ] && [ "${STATICIP}" != "frommedia" ]; then
+if [ -z "${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 ',')"
@@ -71,6 +71,28 @@ 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
 
 log_end_msg
diff --git a/scripts/casper-helpers b/scripts/casper-helpers
index cfbc3c6..f8bd206 100644
--- a/scripts/casper-helpers
+++ b/scripts/casper-helpers
@@ -110,6 +110,7 @@ setup_loop() {
     local fspath=$1
     local module=$2
     local pattern=$3
+    local offset=$4
 
     modprobe "${MP_QUIET}" -b "$module"
     udevsettle
@@ -117,7 +118,11 @@ setup_loop() {
     for loopdev in $pattern; do
         if [ "$(cat $loopdev/size)" -eq 0 ]; then
             dev=$(sys2dev "${loopdev}")
-            losetup "$dev" "$fspath"
+            if [ -n "$offset" ]; then
+                losetup -o "$offset" "$dev" "$fspath"
+            else
+                losetup "$dev" "$fspath"
+            fi
             echo "$dev"
             return 0
         fi