Adding upstream version 4.0~a14.

[live-boot-grml.git] / components / 9990-mount-http.sh

diff --git a/components/9990-mount-http.sh b/components/9990-mount-http.sh
new file mode 100755 (executable)
index 0000000..16e69b6
--- /dev/null
+++ b/components/9990-mount-http.sh
@@ -0,0 +1,96 @@
+#!/bin/sh
+
+#set -e
+
+do_httpmount ()
+{
+       rc=1
+
+       for webfile in HTTPFS FTPFS FETCH
+       do
+               local url extension dest
+               url="$(eval echo \"\$\{${webfile}\}\")"
+               extension="$(echo "${url}" | sed 's/\(.*\)\.\(.*\)/\2/')"
+
+               if [ -n "$url" ]
+               then
+                       case "${extension}" in
+                               iso|squashfs|tgz|tar)
+                                       if [ "${extension}" = "iso" ]
+                                       then
+                                               mkdir -p "${alt_mountpoint}"
+                                               dest="${alt_mountpoint}"
+                                       else
+                                               dest="${mountpoint}/${LIVE_MEDIA_PATH}"
+                                               mount -t ramfs ram "${mountpoint}"
+                                               mkdir -p "${dest}"
+                                       fi
+                                       if [ "${webfile}" = "FETCH" ]
+                                       then
+                                               case "$url" in
+                                                       tftp*)
+                                                               ip="$(dirname $url | sed -e 's|tftp://||g' -e 's|/.*$||g')"
+                                                               rfile="$(echo $url | sed -e "s|tftp://$ip||g")"
+                                                               lfile="$(basename $url)"
+                                                               log_begin_msg "Trying tftp -g -b 65464 -r $rfile -l ${dest}/$lfile $ip"
+                                                               tftp -g -b 65464 -r $rfile -l ${dest}/$lfile $ip
+                                                       ;;
+
+                                                       *)
+                                                               log_begin_msg "Trying wget ${url} -O ${dest}/$(basename ${url})"
+                                                               wget "${url}" -O "${dest}/$(basename ${url})"
+                                                               ;;
+                                               esac
+                                       else
+                                               log_begin_msg "Trying to mount ${url} on ${dest}/$(basename ${url})"
+                                               if [ "${webfile}" = "FTPFS" ]
+                                               then
+                                                       FUSE_MOUNT="curlftpfs"
+                                                       url="$(dirname ${url})"
+                                               else
+                                                       FUSE_MOUNT="httpfs"
+                                               fi
+
+                                               if [ -n "${FUSE_MOUNT}" ] && [ -x /bin/mount.util-linux ]
+                                               then
+                                                       # fuse does not work with klibc mount
+                                                       ln -f /bin/mount.util-linux /bin/mount
+                                               fi
+
+                                               modprobe fuse
+                                               $FUSE_MOUNT "${url}" "${dest}"
+                                               ROOT_PID="$(minips h -C "$FUSE_MOUNT" | { read x y ; echo "$x" ; } )"
+                                       fi
+                                       [ ${?} -eq 0 ] && rc=0
+                                       [ "${extension}" = "tgz" ] && live_dest="ram"
+                                       if [ "${extension}" = "iso" ]
+                                       then
+                                               isoloop=$(setup_loop "${dest}/$(basename "${url}")" "loop" "/sys/block/loop*" "" '')
+                                               mount -t iso9660 "${isoloop}" "${mountpoint}"
+                                               rc=${?}
+                                       fi
+                                       break
+                                       ;;
+
+                               *)
+                                       log_begin_msg "Unrecognized archive extension for ${url}"
+                                       ;;
+                       esac
+               fi
+       done
+
+       if [ ${rc} != 0 ]
+       then
+               if [ -d "${alt_mountpoint}" ]
+               then
+                       umount "${alt_mountpoint}"
+                       rmdir "${alt_mountpoint}"
+               fi
+               umount "${mountpoint}"
+       elif [ "${webfile}"  != "FETCH" ] ; then
+               NETBOOT="${webfile}"
+               export NETBOOT
+       fi
+
+       return ${rc}
+}