scripts/live

   1 #!/bin/sh
   2
   3 # set -e
   4
   5 export PATH="/root/usr/bin:/root/usr/sbin:/root/bin:/root/sbin:/usr/bin:/usr/sbin:/bin:/sbin"
   6
   7 echo "/root/lib" >> /etc/ld.so.conf
   8 echo "/root/usr/lib" >> /etc/ld.so.conf
   9
  10 mountpoint="/live/image"
  11 alt_mountpoint="/media"
  12 LIVE_MEDIA_PATH="live"
  13
  14 root_persistence="live-rw"
  15 home_persistence="home-rw"
  16 root_snapshot_label="live-sn"
  17 home_snapshot_label="home-sn"
  18
  19 USERNAME="user"
  20 USERFULLNAME="Live user"
  21 HOSTNAME="host"
  22
  23 mkdir -p "${mountpoint}"
  24 tried="/tmp/tried"
  25
  26 # Create /etc/mtab for debug purpose and future syncs
  27 if [ ! -d /etc ]
  28 then
  29         mkdir /etc/
  30 fi
  31
  32 if [ ! -f /etc/mtab ]
  33 then
  34         touch /etc/mtab
  35 fi
  36
  37 . /scripts/live-helpers
  38
  39 if [ ! -f /live.vars ]
  40 then
  41         touch /live.vars
  42 fi
  43
  44 Arguments ()
  45 {
  46         PRESEEDS=""
  47         LOCATIONS=""
  48
  49         for ARGUMENT in $(cat /proc/cmdline)
  50         do
  51                 case "${ARGUMENT}" in
  52                         skipconfig)
  53                                 NOACCESSIBILITY="Yes"
  54                                 NOFASTBOOT="Yes"
  55                                 NOFSTAB="Yes"
  56                                 NONETWORKING="Yes"
  57
  58                                 export NOACCESSIBILITY NOFASTBOOT NOFSTAB NONETWORKING
  59                                 ;;
  60
  61                         access=*)
  62                                 ACCESS="${ARGUMENT#access=}"
  63                                 export ACCESS
  64                                 ;;
  65
  66                         console=*)
  67                                 DEFCONSOLE="${ARGUMENT#*=}"
  68                                 export DEFCONSOLE
  69                                 ;;
  70
  71                         BOOTIF=*)
  72                                 BOOTIF="${x#BOOTIF=}"
  73                                 ;;
  74
  75                         debug)
  76                                 DEBUG="Yes"
  77                                 export DEBUG
  78
  79                                 set -x
  80                                 ;;
  81
  82                         dhcp)
  83                                 # Force dhcp even while netbooting
  84                                 # Use for debugging in case somebody works on fixing dhclient
  85                                 DHCP="Force";
  86                                 export DHCP
  87                                 ;;
  88
  89                         nodhcp)
  90                                 unset DHCP
  91                                 ;;
  92
  93                         ethdevice=*)
  94                                 DEVICE="${ARGUMENT#ethdevice=}"
  95                                 ETHDEVICE="${DEVICE}"
  96                                 export DEVICE ETHDEVICE
  97                                 ;;
  98
  99                         ethdevice-timeout=*)
 100                                 ETHDEV_TIMEOUT="${ARGUMENT#ethdevice-timeout=}"
 101                                 export ETHDEV_TIMEOUT
 102                                 ;;
 103
 104                         fetch=*)
 105                                 FETCH="${ARGUMENT#fetch=}"
 106                                 export FETCH
 107                                 ;;
 108
 109                         forcepersistentfsck)
 110                                 FORCEPERSISTENTFSCK="Yes"
 111                                 export FORCEPERSISTENTFSCK
 112                                 ;;
 113
 114                         ftpfs=*)
 115                                 FTPFS="${ARGUMENT#ftpfs=}"
 116                                 export FTPFS
 117                                 ;;
 118
 119                         httpfs=*)
 120                                 HTTPFS="${ARGUMENT#httpfs=}"
 121                                 export HTTPFS
 122                                 ;;
 123
 124                         iscsi=*)
 125                                 ISCSI="${ARGUMENT#iscsi=}"
 126                                 #ip:port - separated by ;
 127                                 ISCSI_PORTAL="${ISCSI%;*}"
 128                                 if echo "${ISCSI_PORTAL}" | grep -q , ; then
 129                                         ISCSI_SERVER="${ISCSI_PORTAL%,*}"
 130                                         ISCSI_PORT="${ISCSI_PORTAL#*,}"
 131                                 fi
 132                                 #target name
 133                                 ISCSI_TARGET="${ISCSI#*;}"
 134                                 export ISCSI ISCSI_PORTAL ISCSI_TARGET ISCSI_SERVER ISCSI_PORT
 135                                 ;;
 136
 137                         isofrom=*|fromiso=*)
 138                                 FROMISO="${ARGUMENT#*=}"
 139                                 export FROMISO
 140                                 ;;
 141
 142                         ignore_uuid)
 143                                 IGNORE_UUID="Yes"
 144                                 export IGNORE_UUID
 145                                 ;;
 146
 147                         integrity-check)
 148                                 INTEGRITY_CHECK="Yes"
 149                                 export INTEGRITY_CHECK
 150                                 ;;
 151
 152                         ip=*)
 153                                 STATICIP="${ARGUMENT#ip=}"
 154
 155                                 if [ -z "${STATICIP}" ]
 156                                 then
 157                                         STATICIP="frommedia"
 158                                 fi
 159
 160                                 export STATICIP
 161                                 ;;
 162
 163                         live-getty)
 164                                 LIVE_GETTY="1"
 165                                 export LIVE_GETTY
 166                                 ;;
 167
 168                         live-media=*|bootfrom=*)
 169                                 LIVE_MEDIA="${ARGUMENT#*=}"
 170                                 export LIVE_MEDIA
 171                                 ;;
 172
 173                         live-media-encryption=*|encryption=*)
 174                                 LIVE_MEDIA_ENCRYPTION="${ARGUMENT#*=}"
 175                                 export LIVE_MEDIA_ENCRYPTION
 176                                 ;;
 177
 178                         live-media-offset=*)
 179                                 LIVE_MEDIA_OFFSET="${ARGUMENT#live-media-offset=}"
 180                                 export LIVE_MEDIA_OFFSET
 181                                 ;;
 182
 183                         live-media-path=*)
 184                                 LIVE_MEDIA_PATH="${ARGUMENT#live-media-path=}"
 185                                 export LIVE_MEDIA_PATH
 186                                 ;;
 187
 188                         live-media-timeout=*)
 189                                 LIVE_MEDIA_TIMEOUT="${ARGUMENT#live-media-timeout=}"
 190                                 export LIVE_MEDIA_TIMEOUT
 191                                 ;;
 192
 193                         module=*)
 194                                 MODULE="${ARGUMENT#module=}"
 195                                 export MODULE
 196                                 ;;
 197
 198                         netboot=*)
 199                                 NETBOOT="${ARGUMENT#netboot=}"
 200                                 export NETBOOT
 201                                 ;;
 202
 203                         nfsopts=*)
 204                                 NFSOPTS="${ARGUMENT#nfsopts=}"
 205                                 export NFSOPTS
 206                                 ;;
 207
 208                         nfscow=*)
 209                                 NFS_COW="${ARGUMENT#nfscow=}"
 210                                 export NFS_COW
 211                                 ;;
 212
 213                         noaccessibility)
 214                                 NOACCESSIBILITY="Yes"
 215                                 export NOACCESSIBILITY
 216                                 ;;
 217
 218                         nofastboot)
 219                                 NOFASTBOOT="Yes"
 220                                 export NOFASTBOOT
 221                                 ;;
 222
 223                         nofstab)
 224                                 NOFSTAB="Yes"
 225                                 export NOFSTAB
 226                                 ;;
 227
 228                         nonetworking)
 229                                 NONETWORKING="Yes"
 230                                 export NONETWORKING
 231                                 ;;
 232
 233                         ramdisk-size=*)
 234                                 ramdisk_size="${ARGUMENT#ramdisk-size=}"
 235                                 ;;
 236
 237                         swapon)
 238                                 SWAPON="Yes"
 239                                 export SWAPON
 240                                 ;;
 241
 242                         persistent)
 243                                 PERSISTENT="Yes"
 244                                 export PERSISTENT
 245                                 ;;
 246
 247                         persistent=*)
 248                                 PERSISTENT="${ARGUMENT#persistent=}"
 249                                 if [ -z "${PERSISTENT}" ]
 250                                 then
 251                                         PERSISTENT="Yes"
 252                                 fi
 253                                 export PERSISTENT
 254                                 ;;
 255
 256                         persistent-media=*)
 257                                 PERSISTENT_MEDIA="${ARGUMENT#*=}"
 258                                 export PERSISTENT_MEDIA
 259                                 ;;
 260
 261                         persistent-path=*)
 262                                 PERSISTENT_PATH="${ARGUMENT#persistent-path=}"
 263                                 export PERSISTENT_PATH
 264                                 ;;
 265
 266                         persistent-subtext=*)
 267                                 root_persistence="${root_persistence}-${ARGUMENT#persistent-subtext=}"
 268                                 home_persistence="${home_persistence}-${ARGUMENT#persistent-subtext=}"
 269                                 root_snapshot_label="${root_snapshot_label}-${ARGUMENT#persistent-subtext=}"
 270                                 home_snapshot_label="${home_snapshot_label}-${ARGUMENT#persistent-subtext=}"
 271                                 ;;
 272
 273                         nopersistent)
 274                                 NOPERSISTENT="Yes"
 275                                 export NOPERSISTENT
 276                                 ;;
 277
 278                         noprompt)
 279                                 NOPROMPT="Yes"
 280                                 export NOPROMPT
 281                                 ;;
 282
 283                         noprompt=*)
 284                                 NOPROMPT="${ARGUMENT#noprompt=}"
 285                                 export NOPROMPT
 286                                 ;;
 287
 288                         quickusbmodules)
 289                                 QUICKUSBMODULES="Yes"
 290                                 export QUICKUSBMODULES
 291                                 ;;
 292
 293                         preseed/file=*|file=*)
 294                                 LOCATIONS="${ARGUMENT#*=} ${LOCATIONS}"
 295                                 export LOCATIONS
 296                                 ;;
 297
 298                         nopreseed)
 299                                 NOPRESEED="Yes"
 300                                 export NOPRESEED
 301                                 ;;
 302
 303                         */*=*)
 304                                 question="${ARGUMENT%%=*}"
 305                                 value="${ARGUMENT#*=}"
 306                                 PRESEEDS="${PRESEEDS}\"${question}=${value}\" "
 307                                 export PRESEEDS
 308                                 ;;
 309
 310                         showmounts)
 311                                 SHOWMOUNTS="Yes"
 312                                 export SHOWMOUNTS
 313                                 ;;
 314
 315                         silent)
 316                                 SILENT="Yes"
 317                                 export SILENT
 318                                 ;;
 319
 320                         todisk=*)
 321                                 TODISK="${ARGUMENT#todisk=}"
 322                                 export TODISK
 323                                 ;;
 324
 325                         toram)
 326                                 TORAM="Yes"
 327                                 export TORAM
 328                                 ;;
 329
 330                         toram=*)
 331                                 TORAM="Yes"
 332                                 MODULETORAM="${ARGUMENT#toram=}"
 333                                 export TORAM MODULETORAM
 334                                 ;;
 335
 336                         exposedroot)
 337                                 EXPOSED_ROOT="Yes"
 338                                 export EXPOSED_ROOT
 339                                 ;;
 340
 341                         plainroot)
 342                                 PLAIN_ROOT="Yes"
 343                                 export PLAIN_ROOT
 344                                 ;;
 345
 346                         skipunion)
 347                                 SKIP_UNION_MOUNTS="Yes"
 348                                 export SKIP_UNION_MOUNTS
 349                                 ;;
 350
 351                         root=*)
 352                                 ROOT="${ARGUMENT#root=}"
 353                                 export ROOT
 354                                 ;;
 355
 356                         union=*)
 357                                 UNIONTYPE="${ARGUMENT#union=}"
 358                                 export UNIONTYPE
 359                                 ;;
 360                 esac
 361         done
 362
 363         # sort of compatibility with netboot.h from linux docs
 364         if [ -z "${NETBOOT}" ]
 365         then
 366                 if [ "${ROOT}" = "/dev/nfs" ]
 367                 then
 368                         NETBOOT="nfs"
 369                         export NETBOOT
 370                 elif [ "${ROOT}" = "/dev/cifs" ]
 371                 then
 372                         NETBOOT="cifs"
 373                         export NETBOOT
 374                 fi
 375         fi
 376
 377         if [ -z "${MODULE}" ]
 378         then
 379                 MODULE="filesystem"
 380                 export MODULE
 381         fi
 382
 383         if [ -z "${UNIONTYPE}" ]
 384         then
 385                 UNIONTYPE="aufs"
 386                 export UNIONTYPE
 387         fi
 388 }
 389
 390 is_live_path ()
 391 {
 392         DIRECTORY="${1}"
 393
 394         if [ -d "${DIRECTORY}"/"${LIVE_MEDIA_PATH}" ]
 395         then
 396                 for FILESYSTEM in squashfs ext2 ext3 ext4 xfs dir jffs2
 397                 do
 398                         if [ "$(echo ${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM})" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ]
 399                         then
 400                                 return 0
 401                         fi
 402                 done
 403         fi
 404
 405         return 1
 406 }
 407
 408 matches_uuid ()
 409 {
 410         if [ "${IGNORE_UUID}" ] || [ ! -e /conf/uuid.conf ]
 411         then
 412                 return 0
 413         fi
 414
 415         path="${1}"
 416         uuid="$(cat /conf/uuid.conf)"
 417
 418         for try_uuid_file in "${path}/.disk/live-uuid"*
 419         do
 420                 [ -e "${try_uuid_file}" ] || continue
 421
 422                 try_uuid="$(cat "${try_uuid_file}")"
 423
 424                 if [ "${uuid}" = "${try_uuid}" ]
 425                 then
 426                         return 0
 427                 fi
 428         done
 429
 430         return 1
 431 }
 432
 433 get_backing_device ()
 434 {
 435         case "${1}" in
 436                 *.squashfs|*.ext2|*.ext3|*.ext4|*.jffs2)
 437                         echo $(setup_loop "${1}" "loop" "/sys/block/loop*" '0' "${LIVE_MEDIA_ENCRYPTION}" "${2}")
 438                         ;;
 439
 440                 *.dir)
 441                         echo "directory"
 442                         ;;
 443
 444                 *)
 445                         panic "Unrecognized live filesystem: ${1}"
 446                         ;;
 447         esac
 448 }
 449
 450 match_files_in_dir ()
 451 {
 452         # Does any files match pattern ${1} ?
 453         local pattern="${1}"
 454
 455         if [ "$(echo ${pattern})" != "${pattern}" ]
 456         then
 457                 return 0
 458         fi
 459
 460         return 1
 461 }
 462
 463 mount_images_in_directory ()
 464 {
 465         directory="${1}"
 466         rootmnt="${2}"
 467         mac="${3}"
 468
 469
 470         if match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.squashfs" ||
 471                 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext2" ||
 472                 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext3" ||
 473                 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext4" ||
 474                 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.jffs2" ||
 475                 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.dir"
 476         then
 477                 [ -n "${mac}" ] && adddirectory="${directory}/${LIVE_MEDIA_PATH}/${mac}"
 478                 setup_unionfs "${directory}/${LIVE_MEDIA_PATH}" "${rootmnt}" "${adddirectory}"
 479         else
 480                 panic "No supported filesystem images found at /${LIVE_MEDIA_PATH}."
 481         fi
 482 }
 483
 484 is_nice_device ()
 485 {
 486         sysfs_path="${1#/sys}"
 487
 488         if /lib/udev/path_id "${sysfs_path}" | egrep -q "ID_PATH=(usb|pci-|platform-sata_mv|platform-orion-ehci|platform-mmc|platform-mxsdhci|)"
 489         then
 490                 return 0
 491         elif echo "${sysfs_path}" | grep -q '^/block/vd[a-z]$'
 492         then
 493                 return 0
 494         elif echo ${sysfs_path} | grep -q "^/block/dm-"
 495         then
 496                 return 0
 497         elif echo ${sysfs_path} | grep -q "^/block/mtdblock"
 498         then
 499                 return 0
 500         fi
 501
 502         return 1
 503 }
 504
 505 copy_live_to ()
 506 {
 507         copyfrom="${1}"
 508         copytodev="${2}"
 509         copyto="${copyfrom}_swap"
 510
 511         if [ -z "${MODULETORAM}" ]
 512         then
 513                 size=$(fs_size "" ${copyfrom}/${LIVE_MEDIA_PATH} "used")
 514         else
 515                 MODULETORAMFILE="${copyfrom}/${LIVE_MEDIA_PATH}/${MODULETORAM}"
 516
 517                 if [ -f "${MODULETORAMFILE}" ]
 518                 then
 519                         size=$( expr $(ls -la ${MODULETORAMFILE} | awk '{print $5}') / 1024 + 5000 )
 520                 else
 521                         log_warning_msg "Error: toram-module ${MODULETORAM} (${MODULETORAMFILE}) could not be read."
 522                         return 1
 523                 fi
 524         fi
 525
 526         if [ "${copytodev}" = "ram" ]
 527         then
 528                 # copying to ram:
 529                 freespace=$(awk '/^MemFree:/{f=$2} /^Cached:/{c=$2} END{print f+c}' /proc/meminfo)
 530                 mount_options="-o size=${size}k"
 531                 free_string="memory"
 532                 fstype="tmpfs"
 533                 dev="/dev/shm"
 534         else
 535                 # it should be a writable block device
 536                 if [ -b "${copytodev}" ]
 537                 then
 538                         dev="${copytodev}"
 539                         free_string="space"
 540                         fstype=$(get_fstype "${dev}")
 541                         freespace=$(fs_size "${dev}")
 542                 else
 543                         log_warning_msg "${copytodev} is not a block device."
 544                         return 1
 545                 fi
 546         fi
 547
 548         if [ "${freespace}" -lt "${size}" ]
 549         then
 550                 log_warning_msg "Not enough free ${free_string} (${freespace}k free, ${size}k needed) to copy live media in ${copytodev}."
 551                 return 1
 552         fi
 553
 554         # Custom ramdisk size
 555         if [ -z "${mount_options}" ] && [ -n "${ramdisk_size}" ]
 556         then
 557                 # FIXME: should check for wrong values
 558                 mount_options="-o size=${ramdisk_size}"
 559         fi
 560
 561         # begin copying (or uncompressing)
 562         mkdir "${copyto}"
 563         log_begin_msg "mount -t ${fstype} ${mount_options} ${dev} ${copyto}"
 564         mount -t "${fstype}" ${mount_options} "${dev}" "${copyto}"
 565
 566         if [ "${extension}" = "tgz" ]
 567         then
 568                 cd "${copyto}"
 569                 tar zxf "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
 570                 rm -f "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
 571                 mount -r -o move "${copyto}" "${rootmnt}"
 572                 cd "${OLDPWD}"
 573         else
 574                 if [ -n "${MODULETORAMFILE}" ]
 575                 then
 576                         if [ -x /bin/rsync ]
 577                         then
 578                                 echo " * Copying $MODULETORAMFILE to RAM" 1>/dev/console
 579                                 rsync -a --progress ${MODULETORAMFILE} ${copyto} 1>/dev/console # copy only the filesystem module
 580                         else
 581                                 cp ${MODULETORAMFILE} ${copyto} # copy only the filesystem module
 582                         fi
 583                 else
 584                         if [ -x /bin/rsync ]
 585                         then
 586                                 echo " * Copying whole medium to RAM" 1>/dev/console
 587                                 rsync -a --progress ${copyfrom}/* ${copyto} 1>/dev/console  # "cp -a" from busybox also copies hidden files
 588                         else
 589                                 mkdir -p ${copyto}/${LIVE_MEDIA_PATH}
 590                                 cp -a ${copyfrom}/${LIVE_MEDIA_PATH}/* ${copyto}/${LIVE_MEDIA_PATH}
 591                                 if [ -e ${copyfrom}/${LIVE_MEDIA_PATH}/.disk ]
 592                                 then
 593                                         cp -a ${copyfrom}/${LIVE_MEDIA_PATH}/.disk ${copyto}
 594                                 fi
 595                         fi
 596                 fi
 597
 598                 umount ${copyfrom}
 599                 mount -r -o move ${copyto} ${copyfrom}
 600         fi
 601
 602         rmdir ${copyto}
 603         return 0
 604 }
 605
 606 do_netsetup ()
 607 {
 608         modprobe -q af_packet # For DHCP
 609
 610         udevadm trigger
 611         udevadm settle
 612
 613         [ -n "$ETHDEV_TIMEOUT" ] || ETHDEV_TIMEOUT=15
 614         echo "Using timeout of $ETHDEV_TIMEOUT seconds for network configuration."
 615
 616         if [ -z "${NETBOOT}" ] && [ -z "${FETCH}" ] && \
 617            [ -z "${HTTPFS}" ] && [ -z "${FTPFS}" ]
 618         then
 619
 620
 621         # support for Syslinux IPAPPEND parameter
 622         # it sets the BOOTIF variable on the kernel parameter
 623
 624         if [ -n "${BOOTIF}" ]
 625         then
 626                 # pxelinux sets BOOTIF to a value based on the mac address of the
 627                 # network card used to PXE boot, so use this value for DEVICE rather
 628                 # than a hard-coded device name from initramfs.conf. this facilitates
 629                 # network booting when machines may have multiple network cards.
 630                 # pxelinux sets BOOTIF to 01-$mac_address
 631
 632                 # strip off the leading "01-", which isn't part of the mac
 633                 # address
 634                 temp_mac=${BOOTIF#*-}
 635
 636                 # convert to typical mac address format by replacing "-" with ":"
 637                 bootif_mac=""
 638                 IFS='-'
 639                 for x in $temp_mac
 640                 do
 641                         if [ -z "$bootif_mac" ]
 642                         then
 643                                 bootif_mac="$x"
 644                         else
 645                                 bootif_mac="$bootif_mac:$x"
 646                         fi
 647                 done
 648                 unset IFS
 649
 650                 # look for devices with matching mac address, and set DEVICE to
 651                 # appropriate value if match is found.
 652
 653                 for device in /sys/class/net/*
 654                 do
 655                         if [ -f "$device/address" ]
 656                         then
 657                                 current_mac=$(cat "$device/address")
 658
 659                                 if [ "$bootif_mac" = "$current_mac" ]
 660                                 then
 661                                         DEVICE=${device##*/}
 662                                         break
 663                                 fi
 664                         fi
 665                 done
 666         fi
 667
 668         # if ethdevice was not specified on the kernel command line
 669         # make sure we try to get a working network configuration
 670         # for *every* present network device (except for loopback of course)
 671         if [ -z "$ETHDEVICE" ] ; then
 672                 echo "If you want to boot from a specific device use bootoption ethdevice=..."
 673                 for device in /sys/class/net/*; do
 674                         dev=${device##*/} ;
 675                         if [ "$dev" != "lo" ] ; then
 676                                 ETHDEVICE="$ETHDEVICE $dev"
 677                         fi
 678                 done
 679         fi
 680
 681         # split args of ethdevice=eth0,eth1 into "eth0 eth1"
 682         for device in $(echo $ETHDEVICE | sed 's/,/ /g') ; do
 683                 devlist="$devlist $device"
 684         done
 685
 686         # this is tricky (and ugly) because ipconfig sometimes just hangs/runs into
 687         # an endless loop; iff execution fails give it two further tries, that's
 688         # why we use '$devlist $devlist $devlist' for the other for loop
 689         for dev in $devlist $devlist $devlist ; do
 690                 echo "Executing ipconfig -t $ETHDEV_TIMEOUT $dev"
 691                 ipconfig -t "$ETHDEV_TIMEOUT" $dev | tee -a /netboot.config &
 692                 jobid=$!
 693                 sleep "$ETHDEV_TIMEOUT" ; sleep 1
 694                 if [ -r /proc/"$jobid"/status ] ; then
 695                         echo "Killing job $jobid for device $dev as ipconfig ran into recursion..."
 696                         kill -9 $jobid
 697                 fi
 698
 699                 # if configuration of device worked we should have an assigned
 700                 # IP address, iff so let's use the according as $DEVICE for later usage
 701                 # simple and primitive approach which seems to work fine
 702                 if ifconfig $dev | grep -q 'inet.*addr:' ; then
 703                         export DEVICE="$dev"
 704                         break
 705                 fi
 706         done
 707
 708         else
 709                 for interface in ${DEVICE}; do
 710                         ipconfig -t "$ETHDEV_TIMEOUT" ${interface} | tee /netboot-${interface}.config
 711                         [ -e /tmp/net-${interface}.conf ] && . /tmp/net-${interface}.conf
 712                         if [ "$IPV4ADDR" != "0.0.0.0" ]
 713                         then
 714                                 break
 715                         fi
 716                 done
 717         fi
 718
 719         for interface in ${DEVICE}; do
 720                 # source relevant ipconfig output
 721                 OLDHOSTNAME=${HOSTNAME}
 722                 [ -e /tmp/net-${interface}.conf ] && . /tmp/net-${interface}.conf
 723                 [ -z ${HOSTNAME} ] && HOSTNAME=${OLDHOSTNAME}
 724                 export HOSTNAME
 725
 726                 if [ -n "${interface}" ]
 727                 then
 728                         HWADDR="$(cat /sys/class/net/${interface}/address)"
 729                 fi
 730
 731                 if [ ! -e "/etc/resolv.conf" ]
 732                 then
 733                         echo "Creating /etc/resolv.conf"
 734
 735                         if [ -n "${DNSDOMAIN}" ]
 736                         then
 737                                 echo "domain ${DNSDOMAIN}" > /etc/resolv.conf
 738                                 echo "search ${DNSDOMAIN}" >> /etc/resolv.conf
 739                         fi
 740
 741                         for i in ${IPV4DNS0} ${IPV4DNS1} ${IPV4DNS1}
 742                         do
 743                                 if [ -n "$i" ] && [ "$i" != 0.0.0.0 ]
 744                                 then
 745                                         echo "nameserver $i" >> /etc/resolv.conf
 746                                 fi
 747                         done
 748                 fi
 749
 750                 # Check if we have a network device at all
 751                 if ! ls /sys/class/net/"$interface" > /dev/null 2>&1 && \
 752                    ! ls /sys/class/net/eth0 > /dev/null 2>&1 && \
 753                    ! ls /sys/class/net/wlan0 > /dev/null 2>&1 && \
 754                    ! ls /sys/class/net/ath0 > /dev/null 2>&1 && \
 755                    ! ls /sys/class/net/ra0 > /dev/null 2>&1
 756                 then
 757                         panic "No supported network device found, maybe a non-mainline driver is required."
 758                 fi
 759         done
 760 }
 761
 762 do_netmount()
 763 {
 764         do_netsetup
 765
 766         if [ "${NFSROOT}" = "auto" ]
 767         then
 768                 NFSROOT=${ROOTSERVER}:${ROOTPATH}
 769         fi
 770
 771         rc=1
 772
 773         if ( [ -n "${FETCH}" ] || [ -n "${HTTPFS}" ] || [ -n "${FTPFS}" ] )
 774         then
 775                 do_httpmount
 776                 return $?
 777         fi
 778
 779         if [ "${NFSROOT#*:}" = "${NFSROOT}" ] && [ "$NETBOOT" != "cifs" ]
 780         then
 781                 NFSROOT=${ROOTSERVER}:${NFSROOT}
 782         fi
 783
 784         log_begin_msg "Trying netboot from ${NFSROOT}"
 785
 786         if [ "${NETBOOT}" != "nfs" ] && do_cifsmount
 787         then
 788                 rc=0
 789         elif do_nfsmount
 790         then
 791                 NETBOOT="nfs"
 792                 export NETBOOT
 793                 rc=0
 794         fi
 795
 796         log_end_msg
 797         return ${rc}
 798 }
 799
 800 do_iscsi()
 801 {
 802         do_netsetup
 803         #modprobe ib_iser
 804         modprobe iscsi_tcp
 805         local debugopt=""
 806         [ "${DEBUG}" == "Yes" ] && debugopt="-d 8"
 807         #FIXME this name is supposed to be unique - some date + ifconfig hash?
 808         ISCSI_INITIATORNAME="iqn.1993-08.org.debian.live:01:$(echo "${HWADDR}" | sed -e s/://g)"
 809         export ISCSI_INITIATORNAME
 810         if [ -n "${ISCSI_SERVER}" ] ; then
 811                 iscsistart $debugopt -i "${ISCSI_INITIATORNAME}" -t "${ISCSI_TARGET}" -g 1 -a "${ISCSI_SERVER}" -p "${ISCSI_PORT}"
 812         else
 813                 iscsistart $debugopt -i "${ISCSI_INITIATORNAME}" -t "${ISCSI_TARGET}" -g 1 -a "${ISCSI_PORTAL}" -p 3260
 814         fi
 815         if [ $? != 0 ]
 816         then
 817                 panic "Failed to log into iscsi target"
 818         fi
 819         local host="$(ls -d /sys/class/scsi_host/host*/device/iscsi_host:host* \
 820                             /sys/class/scsi_host/host*/device/iscsi_host/host* | sed -e 's:/device.*::' -e 's:.*host::')"
 821         if [ -n "${host}" ]
 822         then
 823                 local devices=""
 824                 local i=0
 825                 while [ -z "${devices}" -a $i -lt 60 ]
 826                 do
 827                         sleep 1
 828                         devices="$(ls -d /sys/class/scsi_device/${host}*/device/block:* \
 829                                          /sys/class/scsi_device/${host}*/device/block/* | sed -e 's!.*[:/]!!')"
 830                         i=$(expr $i + 1)
 831                         echo -ne $i\\r
 832                 done
 833                 for dev in $devices
 834                 do
 835                         if check_dev "null" "/dev/$dev"
 836                         then
 837                                 NETBOOT="iscsi"
 838                                 export NETBOOT
 839                                 return 0;
 840                         fi
 841                 done
 842                 panic "Failed to locate a live device on iSCSI devices (tried: $devices)."
 843         else
 844                 panic "Failed to locate iSCSI host in /sys"
 845         fi
 846 }
 847
 848 do_httpmount ()
 849 {
 850         rc=1
 851
 852         for webfile in HTTPFS FTPFS FETCH
 853         do
 854                 local url="$(eval echo \"\$\{${webfile}\}\")"
 855                 local extension="$(echo "${url}" | sed 's/\(.*\)\.\(.*\)/\2/')"
 856
 857                 if [ -n "$url" ]
 858                 then
 859                         case "${extension}" in
 860                                 iso|squashfs|tgz|tar)
 861                                         if [ "${extension}" = "iso" ]
 862                                         then
 863                                                 mkdir -p "${alt_mountpoint}"
 864                                                 dest="${alt_mountpoint}"
 865                                         else
 866                                                 local dest="${mountpoint}/${LIVE_MEDIA_PATH}"
 867                                                 mount -t ramfs ram "${mountpoint}"
 868                                                 mkdir -p "${dest}"
 869                                         fi
 870                                         if [ "${webfile}" = "FETCH" ]
 871                                         then
 872                                                 case "$url" in
 873                                                         tftp*)
 874                                                                 ip="$(dirname $url | sed -e 's|tftp://||g' -e 's|/.*$||g')"
 875                                                                 rfile="$(echo $url | sed -e "s|tftp://$ip||g")"
 876                                                                 lfile="$(basename $url)"
 877                                                                 log_begin_msg "Trying tftp -g -b 10240 -r $rfile -l ${dest}/$lfile $ip"
 878                                                                 tftp -g -b 10240 -r $rfile -l ${dest}/$lfile $ip
 879                                                         ;;
 880
 881                                                         *)
 882                                                                 log_begin_msg "Trying wget ${url} -O ${dest}/$(basename ${url})"
 883                                                                 wget "${url}" -O "${dest}/$(basename ${url})"
 884                                                                 ;;
 885                                                 esac
 886                                         else
 887                                                 log_begin_msg "Trying to mount ${url} on ${dest}/$(basename ${url})"
 888                                                 if [ "${webfile}" = "FTPFS" ]
 889                                                 then
 890                                                         FUSE_MOUNT="curlftpfs"
 891                                                         url="$(dirname ${url})"
 892                                                 else
 893                                                         FUSE_MOUNT="httpfs"
 894                                                 fi
 895                                                 modprobe fuse
 896                                                 $FUSE_MOUNT "${url}" "${dest}"
 897                                                 ROOT_PID="$(minips h -C "$FUSE_MOUNT" | { read x y ; echo "$x" ; } )"
 898                                         fi
 899                                         [ ${?} -eq 0 ] && rc=0
 900                                         [ "${extension}" = "tgz" ] && live_dest="ram"
 901                                         if [ "${extension}" = "iso" ]
 902                                         then
 903                                                 isoloop=$(setup_loop "${dest}/$(basename "${url}")" "loop" "/sys/block/loop*" "" '')
 904                                                 mount -t iso9660 "${isoloop}" "${mountpoint}"
 905                                                 rc=${?}
 906                                         fi
 907                                         break
 908                                         ;;
 909
 910                                 *)
 911                                         log_begin_msg "Unrecognized archive extension for ${url}"
 912                                         ;;
 913                         esac
 914                 fi
 915         done
 916
 917         if [ ${rc} != 0 ]
 918         then
 919                 if [ -d "${alt_mountpoint}" ]
 920                 then
 921                         umount "${alt_mountpoint}"
 922                         rmdir "${alt_mountpoint}"
 923                 fi
 924                 umount "${mountpoint}"
 925         elif [ "${webfile}"  != "FETCH" ] ; then
 926                 NETBOOT="${webfile}"
 927                 export NETBOOT
 928         fi
 929
 930         return ${rc}
 931 }
 932
 933 do_nfsmount ()
 934 {
 935         rc=1
 936
 937         modprobe -q nfs
 938
 939         if [ -z "${NFSOPTS}" ]
 940         then
 941                 NFSOPTS=""
 942         fi
 943
 944         log_begin_msg "Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}"
 945
 946         # FIXME: This while loop is an ugly HACK round an nfs bug
 947         i=0
 948         while [ "$i" -lt 60 ]
 949         do
 950                 nfsmount -o nolock -o ro ${NFSOPTS} "${NFSROOT}" "${mountpoint}" && rc=0 && break
 951                 sleep 1
 952                 i="$(($i + 1))"
 953         done
 954
 955         return ${rc}
 956 }
 957
 958 do_cifsmount ()
 959 {
 960         rc=1
 961
 962         if [ -x "/sbin/mount.cifs" ]
 963         then
 964                 if [ -z "${NFSOPTS}" ]
 965                 then
 966                         CIFSOPTS="-ouser=root,password="
 967                 else
 968                         CIFSOPTS="${NFSOPTS}"
 969                 fi
 970
 971                 log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}"
 972                 modprobe -q cifs
 973
 974                 if mount.cifs "${NFSROOT}" "${mountpoint}" "${CIFSOPTS}"
 975                 then
 976                         rc=0
 977                 fi
 978         fi
 979
 980         return ${rc}
 981 }
 982
 983 do_snap_copy ()
 984 {
 985         fromdev="${1}"
 986         todir="${2}"
 987         snap_type="${3}"
 988         size=$(fs_size "${fromdev}" "" "used")
 989
 990         if [ -b "${fromdev}" ]
 991         then
 992                 log_success_msg "Copying snapshot ${fromdev} to ${todir}..."
 993
 994                 # look for free mem
 995                 if [ -n "${HOMEMOUNTED}" -a "${snap_type}" = "HOME" ]
 996                 then
 997                         todev=$(awk -v pat="$(base_path ${todir})" '$2 == pat { print $1 }' /proc/mounts)
 998                         freespace=$(df -k | awk '/'${todev}'/{print $4}')
 999                 else
1000                         freespace=$(awk '/^MemFree:/{f=$2} /^Cached:/{c=$2} END{print f+c}' /proc/meminfo)
1001                 fi
1002
1003                 tomount="/mnt/tmpsnap"
1004
1005                 if [ ! -d "${tomount}" ]
1006                 then
1007                         mkdir -p "${tomount}"
1008                 fi
1009
1010                 fstype=$(get_fstype "${fromdev}")
1011
1012                 if [ -n "${fstype}" ]
1013                 then
1014                         # Copying stuff...
1015                         mount -o ro -t "${fstype}" "${fromdev}" "${tomount}" || log_warning_msg "Error in mount -t ${fstype} -o ro ${fromdev} ${tomount}"
1016                         cp -a "${tomount}"/* ${todir}
1017                         umount "${tomount}"
1018                 else
1019                         log_warning_msg "Unrecognized fstype: ${fstype} on ${fromdev}:${snap_type}"
1020                 fi
1021
1022                 rmdir "${tomount}"
1023
1024                 if echo ${fromdev} | grep -qs loop
1025                 then
1026                         losetup -d "${fromdev}"
1027                 fi
1028
1029                 return 0
1030         else
1031                 log_warning_msg "Unable to find the snapshot ${snap_type} medium"
1032                 return 1
1033         fi
1034 }
1035
1036 find_snap ()
1037 {
1038         # Look for ${snap_label}.* in block devices
1039         snap_label="${1}"
1040         black_listed_devices="${2}"
1041         white_listed_devices="${3}"
1042
1043         if [ "${PERSISTENT}" != "nofiles" ]
1044         then
1045                 # search for image files
1046                 snapdata=$(find_files "${PERSISTENT_PATH}${snap_label}.squashfs ${PERSISTENT_PATH}${snap_label}.cpio.gz ${PERSISTENT_PATH}${snap_label}.ext2 ${PERSISTENT_PATH}${snap_label}.ext3 ${PERSISTENT_PATH}${snap_label}.ext4 ${PERSISTENT_PATH}${snap_label}.jffs2" "${black_listed_devices}" "${white_listed_devices}")
1047         fi
1048
1049         if [ -z "${snapdata}" ]
1050         then
1051                 snapdata=$(find_cow_device "${snap_label}" "${black_listed_devices}" "${white_listed_devices}")
1052         fi
1053         echo "${snapdata}"
1054 }
1055
1056 try_snap ()
1057 {
1058         # copy the contents of previously found snapshot to ${snap_mount}
1059         # and remember the device and filename for resync on exit in live-boot.init
1060
1061         snapdata="${1}"
1062         snap_mount="${2}"
1063         snap_type="${3}"
1064         snap_relpath="${4}"
1065
1066         if [ -z "${snap_relpath}" ]
1067         then
1068                 # root snapshot, default usage
1069                 snap_relpath="/"
1070         else
1071                 # relative snapshot (actually used just for "/home" snapshots)
1072                 snap_mount="${2}${snap_relpath}"
1073         fi
1074
1075         if [ -n "${snapdata}" ] && [ ! -b "${snapdata}" ]
1076         then
1077                 log_success_msg "found snapshot: ${snapdata}"
1078                 snapdev="$(echo ${snapdata} | cut -f1 -d ' ')"
1079                 snapback="$(echo ${snapdata} | cut -f2 -d ' ')"
1080                 snapfile="$(echo ${snapdata} | cut -f3 -d ' ')"
1081
1082                 if ! try_mount "${snapdev}" "${snapback}" "ro"
1083                 then
1084                         break
1085                 fi
1086
1087                 RES="0"
1088
1089                 if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\|ext3\|ext4\|jffs2\)'
1090                 then
1091                         # squashfs, jffs2 or ext2/ext3/ext4 snapshot
1092                         dev=$(get_backing_device "${snapback}/${snapfile}")
1093
1094                         do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
1095                         RES="$?"
1096                 else
1097                         # cpio.gz snapshot
1098
1099                         # Unfortunately klibc's cpio is incompatible with the
1100                         # rest of the world; everything else requires -u -d,
1101                         # while klibc doesn't implement them. Try to detect
1102                         # whether it's in use.
1103                         cpiopath="$(which cpio)" || true
1104                         if [ "$cpiopath" ] && grep -aq /lib/klibc "$cpiopath"
1105                         then
1106                                 cpioargs=
1107                         else
1108                                 cpioargs='--unconditional --make-directories'
1109                         fi
1110
1111                         if [ -s "${snapback}/${snapfile}" ]
1112                         then
1113                                 BEFOREDIR="$(pwd)"
1114                                 cd "${snap_mount}" && zcat "${snapback}/${snapfile}" | $cpiopath $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse 2>/dev/null
1115                                 RES="$?"
1116                                 cd "${BEFOREDIR}"
1117                         else
1118                                 log_warning_msg "${snapback}/${snapfile} is empty, adding it for sync on reboot."
1119                                 RES="0"
1120                         fi
1121
1122                         if [ "${RES}" != "0" ]
1123                         then
1124                                 log_warning_msg "failure to \"zcat ${snapback}/${snapfile} | $cpiopath $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse\""
1125                         fi
1126                 fi
1127
1128                 umount "${snapback}" ||  log_warning_msg "failure to \"umount ${snapback}\""
1129
1130                 if [ "${RES}" != "0" ]
1131                 then
1132                         log_warning_msg "Impossible to include the ${snapfile} Snapshot file"
1133                 fi
1134
1135         elif [ -b "${snapdata}" ]
1136         then
1137                 # Try to find if it could be a snapshot partition
1138                 dev="${snapdata}"
1139                 log_success_msg "found snapshot ${snap_type} device on ${dev}"
1140                 if echo "${dev}" | grep -qs loop
1141                 then
1142                         # strange things happens, user confused?
1143                         snaploop=$( losetup ${dev} | awk '{print $3}' | tr -d '()' )
1144                         snapfile=$(basename ${snaploop})
1145                         snapdev=$(awk -v pat="$( dirname ${snaploop})" '$2 == pat { print $1 }' /proc/mounts)
1146                 else
1147                         snapdev="${dev}"
1148                 fi
1149
1150                 if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
1151                 then
1152                         log_warning_msg "Impossible to include the ${snap_type} Snapshot (i)"
1153                         return 1
1154                 else
1155                         if [ -n "${snapfile}" ]
1156                         then
1157                                 # it was a loop device, user confused
1158                                 umount ${snapdev}
1159                         fi
1160                 fi
1161         else
1162                 log_warning_msg "Impossible to include the ${snap_type} Snapshot (o)"
1163                 return 1
1164         fi
1165
1166         echo "export ${snap_type}SNAP=${snap_relpath}:${snapdev}:${snapfile}" >> snapshot.conf # for resync on reboot/halt
1167         return 0
1168 }
1169
1170 setup_unionfs ()
1171 {
1172         image_directory="${1}"
1173         rootmnt="${2}"
1174         addimage_directory="${3}"
1175
1176         case ${UNIONTYPE} in
1177                 aufs|unionfs)
1178                         modprobe -q -b ${UNIONTYPE}
1179
1180                         if ! cut -f2 /proc/filesystems | grep -q "^${UNIONTYPE}\$" && [ -x /bin/unionfs-fuse ]
1181                         then
1182                                 echo "${UNIONTYPE} not available, falling back to unionfs-fuse."
1183                                 echo "This might be really slow."
1184
1185                                 UNIONTYPE="unionfs-fuse"
1186                         fi
1187                         ;;
1188         esac
1189
1190         if [ "${UNIONTYPE}" = unionfs-fuse ]
1191         then
1192                 modprobe fuse
1193         fi
1194
1195         # run-init can't deal with images in a subdir, but we're going to
1196         # move all of these away before it runs anyway.  No, we're not,
1197         # put them in / since move-mounting them into / breaks mono and
1198         # some other apps.
1199
1200         croot="/"
1201
1202         # Let's just mount the read-only file systems first
1203         rofslist=""
1204
1205         if [ "${UNIONTYPE}" = "aufs" ]
1206         then
1207                 roopt="rr"
1208                 noxino_opt="noxino,"
1209         elif [ "${UNIONTYPE}" = "unionfs-fuse" ]
1210         then
1211                 roopt="RO"
1212         else
1213                 roopt="ro"
1214         fi
1215
1216         if [ -z "${PLAIN_ROOT}" ]
1217         then
1218                 # Read image names from ${MODULE}.module if it exists
1219                 if [ -e "${image_directory}/filesystem.${MODULE}.module" ]
1220                 then
1221                         for IMAGE in $(cat ${image_directory}/filesystem.${MODULE}.module)
1222                         do
1223                                 image_string="${image_string} ${image_directory}/${IMAGE}"
1224                         done
1225                 elif [ -e "${image_directory}/${MODULE}.module" ]
1226                 then
1227                         for IMAGE in $(cat ${image_directory}/${MODULE}.module)
1228                         do
1229                                 image_string="${image_string} ${image_directory}/${IMAGE}"
1230                         done
1231                 else
1232                         # ${MODULE}.module does not exist, create a list of images
1233                         for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir
1234                         do
1235                                 for IMAGE in "${image_directory}"/*."${FILESYSTEM}"
1236                                 do
1237                                         if [ -e "${IMAGE}" ]
1238                                         then
1239                                                 image_string="${image_string} ${IMAGE}"
1240                                         fi
1241                                 done
1242                         done
1243
1244                         if [ -n "${addimage_directory}" ] && [ -d "${addimage_directory}" ]
1245                         then
1246                                 for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir
1247                                 do
1248                                         for IMAGE in "${addimage_directory}"/*."${FILESYSTEM}"
1249                                         do
1250                                                 if [ -e "${IMAGE}" ]
1251                                                 then
1252                                                         image_string="${image_string} ${IMAGE}"
1253                                                 fi
1254                                         done
1255                                 done
1256                         fi
1257
1258                         # Now sort the list
1259                         image_string="$(echo ${image_string} | sed -e 's/ /\n/g' | sort )"
1260                 fi
1261
1262                 [ -n "${MODULETORAMFILE}" ] && image_string="${image_directory}/$(basename ${MODULETORAMFILE})"
1263
1264                 mkdir -p "${croot}"
1265
1266                 for image in ${image_string}
1267                 do
1268                         imagename=$(basename "${image}")
1269
1270                         export image devname
1271                         maybe_break live-realpremount
1272                         log_begin_msg "Running /scripts/live-realpremount"
1273                         run_scripts /scripts/live-realpremount
1274                         log_end_msg
1275
1276                         if [ -d "${image}" ]
1277                         then
1278                                 # it is a plain directory: do nothing
1279                                 rofslist="${image} ${rofslist}"
1280                         elif [ -f "${image}" ]
1281                         then
1282                                 if losetup --help 2>&1 | grep -q -- "-r\b"
1283                                 then
1284                                         backdev=$(get_backing_device "${image}" "-r")
1285                                 else
1286                                         backdev=$(get_backing_device "${image}")
1287                                 fi
1288                                 fstype=$(get_fstype "${backdev}")
1289
1290                                 if [ "${fstype}" = "unknown" ]
1291                                 then
1292                                         panic "Unknown file system type on ${backdev} (${image})"
1293                                 fi
1294
1295                                 if [ -z "${fstype}" ]
1296                                 then
1297                                         fstype="${imagename##*.}"
1298                                         log_warning_msg "Unknown file system type on ${backdev} (${image}), assuming ${fstype}."
1299                                 fi
1300
1301                                 if [ "${UNIONTYPE}" != "unionmount" ]
1302                                 then
1303                                         mpoint="${croot}/${imagename}"
1304                                         rofslist="${mpoint} ${rofslist}"
1305                                 else
1306                                         mpoint="${rootmnt}"
1307                                         rofslist="${rootmnt} ${rofslist}"
1308                                 fi
1309                                 mkdir -p "${mpoint}"
1310                                 log_begin_msg "Mounting \"${image}\" on \"${mpoint}\" via \"${backdev}\""
1311                                 mount -t "${fstype}" -o ro,noatime "${backdev}" "${mpoint}" || panic "Can not mount ${backdev} (${image}) on ${mpoint}"
1312                                 log_end_msg
1313                         fi
1314                 done
1315         else
1316                 # we have a plain root system
1317                 mkdir -p "${croot}/filesystem"
1318                 log_begin_msg "Mounting \"${image_directory}\" on \"${croot}/filesystem\""
1319                 mount -t $(get_fstype "${image_directory}") -o ro,noatime "${image_directory}" "${croot}/filesystem" || \
1320                         panic "Can not mount ${image_directory} on ${croot}/filesystem" && \
1321                         rofslist="${croot}/filesystem ${rofslist}"
1322                 # probably broken:
1323                 mount -o bind ${croot}/filesystem $mountpoint
1324                 log_end_msg
1325         fi
1326
1327         mkdir -p /cow
1328
1329         # Looking for "${root_persistence}" device or file
1330         if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
1331         then
1332
1333                 if [ -z "${QUICKUSBMODULES}" ]
1334                 then
1335                         # Load USB modules
1336                         num_block=$(ls -l /sys/block | wc -l)
1337                         for module in sd_mod uhci-hcd ehci-hcd ohci-hcd usb-storage
1338                         do
1339                                 modprobe -q -b ${module}
1340                         done
1341
1342                         udevadm trigger
1343                         udevadm settle
1344
1345                         # For some reason, udevsettle does not block in this scenario,
1346                         # so we sleep for a little while.
1347                         #
1348                         # See https://bugs.launchpad.net/ubuntu/+source/casper/+bug/84591
1349                         for timeout in 5 4 3 2 1
1350                         do
1351                                 sleep 1
1352
1353                                 if [ $(ls -l /sys/block | wc -l) -gt ${num_block} ]
1354                                 then
1355                                         break
1356                                 fi
1357                         done
1358                 fi
1359
1360                 case "${PERSISTENT_MEDIA}" in
1361                         removable)
1362                                 whitelistdev="$(removable_dev)"
1363                                 ;;
1364                         removable-usb)
1365                                 whitelistdev="$(removable_usb_dev)"
1366                                 ;;
1367                         *)
1368                                 whitelistdev=""
1369                                 ;;
1370                 esac
1371
1372                 # search for label and files (this could be hugely optimized)
1373                 cowprobe=$(find_cow_device "${root_persistence}" "${blacklistdev}" "${whitelistdev}")
1374                 if [ -b "${cowprobe}" ]
1375                 then
1376                         # Blacklist /cow device, to avoid inconsistent setups for overlapping snapshots
1377                         # makes sense to have both persistence for /cow and /home mounted, maybe also with
1378                         # snapshots to be sure to really store some e.g key config files,
1379                         # but not on the same media
1380                         blacklistdev="${cowprobe}"
1381                         PERSISTENCE_IS_ON="1"
1382                         export PERSISTENCE_IS_ON
1383                 fi
1384                 # homecow just mount something on /home, this should be generalized some way
1385                 homecow=$(find_cow_device "${home_persistence}" "${blacklistdev}" "${whitelistdev}")
1386                 if [ -b "${homecow}" ]
1387                 then
1388                         PERSISTENCE_IS_ON="1"
1389                         export PERSISTENCE_IS_ON
1390                 fi
1391                 root_snapdata=$(find_snap "${root_snapshot_label}" "${blacklistdev}" "${whitelistdev}")
1392                 # This second type should be removed when snapshot will get smarter,
1393                 # hence when "/etc/live-snapshot*list" will be supported also by
1394                 # ext2|ext3|ext4|jffs2 snapshot types.
1395                 home_snapdata=$(find_snap "${home_snapshot_label}" "${blacklistdev}" "${whitelistdev}")
1396
1397                 if [ -b "${cowprobe}" ]
1398                 then
1399                         cowdevice=${cowprobe}
1400                         cow_fstype=$(get_fstype "${cowprobe}")
1401                         cow_mountopt="rw,noatime"
1402
1403                         if [ "${FORCEPERSISTENTFSCK}" = "Yes" ]
1404                         then
1405                                 fsck -y ${cowdevice}
1406                         fi
1407                 else
1408                         log_warning_msg "Unable to find the persistent medium"
1409                         cowdevice="tmpfs"
1410                         cow_fstype="tmpfs"
1411                         cow_mountopt="rw,noatime,mode=755"
1412                 fi
1413         elif [ -n "${NFS_COW}" ] && [ -z "${NOPERSISTENT}" ]
1414         then
1415                 # check if there are any nfs options
1416                 if echo ${NFS_COW}|grep -q ','
1417                 then
1418                         nfs_cow_opts="-o nolock,$(echo ${NFS_COW}|cut -d, -f2-)"
1419                         nfs_cow=$(echo ${NFS_COW}|cut -d, -f1)
1420                 else
1421                         nfs_cow_opts="-o nolock"
1422                         nfs_cow=${NFS_COW}
1423                 fi
1424                 mac="$(get_mac)"
1425                 if [ -n "${mac}" ]
1426                 then
1427                         cowdevice=$(echo ${nfs_cow}|sed "s/client_mac_address/${mac}/")
1428                         cow_fstype="nfs"
1429                 else
1430                         panic "unable to determine mac address"
1431                 fi
1432         else
1433                 cowdevice="tmpfs"
1434                 cow_fstype="tmpfs"
1435                 cow_mountopt="rw,noatime,mode=755"
1436         fi
1437
1438         if [ "${UNIONTYPE}" != "unionmount" ]
1439         then
1440
1441                 if [ "${cow_fstype}" = "nfs" ]
1442                 then
1443                         log_begin_msg \
1444                                 "Trying nfsmount ${nfs_cow_opts} ${cowdevice} /cow"
1445                         nfsmount ${nfs_cow_opts} ${cowdevice} /cow || \
1446                                 panic "Can not mount ${cowdevice} (n: ${cow_fstype}) on /cow"
1447                 else
1448                         mount -t ${cow_fstype} -o ${cow_mountopt} ${cowdevice} /cow || \
1449                                 panic "Can not mount ${cowdevice} (o: ${cow_fstype}) on /cow"
1450                 fi
1451         fi
1452
1453         rofscount=$(echo ${rofslist} |wc -w)
1454
1455         if [ ${rofscount} -ne 1 ]
1456         then
1457                 panic "only one RO file system supported with exposedroot: ${rofslist}"
1458         fi
1459         rofs=${rofslist%% }
1460
1461         if [ -n "${EXPOSED_ROOT}" ]
1462         then
1463                 mount --bind ${rofs} ${rootmnt} || \
1464                         panic "bind mount of ${rofs} failed"
1465
1466                 if [ -z "${SKIP_UNION_MOUNTS}" ]
1467                 then
1468                         cow_dirs='/var/tmp /var/lock /var/run /var/log /var/spool /home /var/lib/live'
1469                 else
1470                         cow_dirs=''
1471                 fi
1472         else
1473                 cow_dirs="/"
1474         fi
1475
1476         if [ "${cow_fstype}" != "tmpfs" ] && [ "${cow_dirs}" != "/" ] && [ "${UNIONTYPE}" = "unionmount" ]
1477         then
1478                 true # FIXME: Maybe it does, I don't really know.
1479                 #panic "unionmount does not support subunions (${cow_dirs})."
1480         fi
1481
1482         unionmountopts=""
1483         unionmountpoint=""
1484
1485         for dir in ${cow_dirs}; do
1486                 mkdir -p /cow${dir}
1487
1488                 unionmountpoint="${rootmnt}${dir}"
1489                 unionrw="/cow${dir}"
1490                 unionro="${rofs}${dir}"
1491                 # We don't handle spaces and other junk gracefully here, hopefully not needed.
1492                 case "${UNIONTYPE}" in
1493                         unionfs-fuse)
1494                                 unionmountopts="-o cow -o noinitgroups -o default_permissions -o allow_other -o use_ino -o suid"
1495                                 unionmountopts="${unionmountopts} ${unionrw}=RW:${unionro}=RO"
1496                                 ( sysctl -w fs.file-max=391524 ; ulimit -HSn 16384
1497                                 unionfs-fuse ${unionmountopts} "${unionmountpoint}" ) && \
1498                                 ( mkdir -p /run/sendsigs.omit.d
1499                                 pidof unionfs-fuse >> /run/sendsigs.omit.d/unionfs-fuse || true )
1500                                 ;;
1501
1502                         unionmount)
1503                                 unionmountopts="-t ${cow_fstype} -o noatime,union,${cow_mountopt} ${cowdevice}"
1504                                 mount_full $unionmountopts "${unionmountpoint}"
1505                                 ;;
1506
1507
1508                         *)
1509                                 unionmountopts="-o noatime,${noxino_opt}dirs=${unionrw}=rw:${unionro}=${roopt}"
1510                                 mount -t ${UNIONTYPE} ${unionmountopts} ${UNIONTYPE} "${unionmountpoint}"
1511                                 ;;
1512                 esac || \
1513                         panic "mount ${UNIONTYPE} on ${unionmountpoint} failed with option ${unionmountopts}"
1514         done
1515
1516         # Correct the permissions of /:
1517         chmod 0755 "${rootmnt}"
1518
1519         # tmpfs file systems
1520         touch /etc/fstab
1521         mkdir -p "${rootmnt}/live"
1522         mount -t tmpfs tmpfs ${rootmnt}/live
1523
1524         # Adding other custom mounts
1525         if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
1526         then
1527                 # directly mount /home
1528                 # FIXME: add a custom mounts configurable system
1529
1530                 if [ -b "${homecow}" ]
1531                 then
1532                         mount -t $(get_fstype "${homecow}") -o rw,noatime "${homecow}" "${rootmnt}/home"
1533                         export HOMEMOUNTED=1 # used to proper calculate free space in do_snap_copy()
1534                 else
1535                         log_warning_msg "Unable to find the persistent home medium"
1536                 fi
1537
1538                 # Look for other snapshots to copy in
1539                 try_snap "${root_snapdata}" "${rootmnt}" "ROOT"
1540                 # This second type should be removed when snapshot grow smarter
1541                 try_snap "${home_snapdata}" "${rootmnt}" "HOME" "/home"
1542         fi
1543
1544         if [ -n "${SHOWMOUNTS}" ]
1545         then
1546                 for d in ${rofslist}
1547                 do
1548                         mkdir -p "${rootmnt}/live/${d##*/}"
1549
1550                         case d in
1551                                 *.dir)
1552                                         # do nothing # mount -o bind "${d}" "${rootmnt}/live/${d##*/}"
1553                                         ;;
1554
1555                                 *)
1556                                         case "${UNIONTYPE}" in
1557                                                 unionfs-fuse)
1558                                                         mount -o bind "${d}" "${rootmnt}/live/${d##*/}"
1559                                                         ;;
1560
1561                                                 *)
1562                                                         mount -o move "${d}" "${rootmnt}/live/${d##*/}"
1563                                                         ;;
1564                                         esac
1565                                         ;;
1566                         esac
1567                 done
1568         fi
1569
1570         # shows cow fs on /cow for use by live-snapshot
1571         mkdir -p "${rootmnt}/live/cow"
1572         mount -o move /cow "${rootmnt}/live/cow" >/dev/null 2>&1 || mount -o bind /cow "${rootmnt}/live/cow" || log_warning_msg "Unable to move or bind /cow to ${rootmnt}/live/cow"
1573 }
1574
1575 check_dev ()
1576 {
1577         sysdev="${1}"
1578         devname="${2}"
1579         skip_uuid_check="${3}"
1580
1581         # support for fromiso=.../isofrom=....
1582         if [ -n "$FROMISO" ]
1583         then
1584                 ISO_DEVICE=$(dirname $FROMISO)
1585                 if ! [ -b $ISO_DEVICE ]
1586                 then
1587                         # to support unusual device names like /dev/cciss/c0d0p1
1588                         # as well we have to identify the block device name, let's
1589                         # do that for up to 15 levels
1590                         i=15
1591                         while [ -n "$ISO_DEVICE" ] && [ "$i" -gt 0 ]
1592                         do
1593                                 ISO_DEVICE=$(dirname ${ISO_DEVICE})
1594                                 [ -b "$ISO_DEVICE" ] && break
1595                                 i=$(($i -1))
1596                         done
1597                 fi
1598
1599                 if [ "$ISO_DEVICE" = "/" ]
1600                 then
1601                         echo "Warning: device for bootoption isofrom= ($FROMISO) not found.">>/live-boot.log
1602                 else
1603                         fs_type=$(get_fstype "${ISO_DEVICE}")
1604                         if is_supported_fs ${fs_type}
1605                         then
1606                                 mkdir /isofrom
1607                                 mount -t $fs_type "$ISO_DEVICE" /isofrom
1608                                 ISO_NAME="$(echo $FROMISO | sed "s|$ISO_DEVICE||")"
1609                                 loopdevname=$(setup_loop "/isofrom/${ISO_NAME}" "loop" "/sys/block/loop*" "" '')
1610                                 devname="${loopdevname}"
1611                         else
1612                                 echo "Warning: unable to mount $ISO_DEVICE." >>/live-boot.log
1613                         fi
1614                 fi
1615         fi
1616
1617         if [ -z "${devname}" ]
1618         then
1619                 devname=$(sys2dev "${sysdev}")
1620         fi
1621
1622         if [ -d "${devname}" ]
1623         then
1624                 mount -o bind "${devname}" $mountpoint || continue
1625
1626                 if is_live_path $mountpoint
1627                 then
1628                         echo $mountpoint
1629                         return 0
1630                 else
1631                         umount $mountpoint
1632                 fi
1633         fi
1634
1635         IFS=","
1636         for device in ${devname}
1637         do
1638                 case "$device" in
1639                         *mapper*)
1640                                 # Adding lvm support
1641                                 if [ -x /scripts/local-top/lvm2 ]
1642                                 then
1643                                         ROOT="$device" resume="" /scripts/local-top/lvm2
1644                                 fi
1645                                 ;;
1646
1647                         /dev/md*)
1648                                 # Adding raid support
1649                                 if [ -x /scripts/local-top/mdadm ]
1650                                 then
1651                                         cp /conf/conf.d/md /conf/conf.d/md.orig
1652                                         echo "MD_DEVS=$device " >> /conf/conf.d/md
1653                                         /scripts/local-top/mdadm
1654                                         mv /conf/conf.d/md.orig /conf/conf.d/md
1655                                 fi
1656                                 ;;
1657                 esac
1658         done
1659         unset IFS
1660
1661         [ -n "$device" ] && devname="$device"
1662
1663         [ -e "$devname" ] || continue
1664
1665         if [ -n "${LIVE_MEDIA_OFFSET}" ]
1666         then
1667                 loopdevname=$(setup_loop "${devname}" "loop" "/sys/block/loop*" "${LIVE_MEDIA_OFFSET}" '')
1668                 devname="${loopdevname}"
1669         fi
1670
1671         fstype=$(get_fstype "${devname}")
1672
1673         if is_supported_fs ${fstype}
1674         then
1675                 devuid=$(blkid -o value -s UUID "$devname")
1676                 [ -n "$devuid" ] && grep -qs "\<$devuid\>" $tried && continue
1677                 mount -t ${fstype} -o ro,noatime "${devname}" ${mountpoint} || continue
1678                 [ -n "$devuid" ] && echo "$devuid" >> $tried
1679
1680                 if is_live_path ${mountpoint} && \
1681                         ([ "${skip_uuid_check}" ] || matches_uuid ${mountpoint})
1682                 then
1683                         echo ${mountpoint}
1684                         return 0
1685                 else
1686                         umount ${mountpoint}
1687                 fi
1688         fi
1689
1690         if [ -n "${LIVE_MEDIA_OFFSET}" ]
1691         then
1692                 losetup -d "${loopdevname}"
1693         fi
1694
1695         return 1
1696 }
1697
1698 find_livefs ()
1699 {
1700         timeout="${1}"
1701
1702         # don't start autodetection before timeout has expired
1703         if [ -n "${LIVE_MEDIA_TIMEOUT}" ]
1704         then
1705                 if [ "${timeout}" -lt "${LIVE_MEDIA_TIMEOUT}" ]
1706                 then
1707                         return 1
1708                 fi
1709         fi
1710
1711         # first look at the one specified in the command line
1712         case "${LIVE_MEDIA}" in
1713                 removable-usb)
1714                         for sysblock in $(removable_usb_dev "sys")
1715                         do
1716                                 for dev in $(subdevices "${sysblock}")
1717                                 do
1718                                         if check_dev "${dev}"
1719                                         then
1720                                                 return 0
1721                                         fi
1722                                 done
1723                         done
1724                         return 1
1725                         ;;
1726
1727                 removable)
1728                         for sysblock in $(removable_dev "sys")
1729                         do
1730                                 for dev in $(subdevices "${sysblock}")
1731                                 do
1732                                         if check_dev "${dev}"
1733                                         then
1734                                                 return 0
1735                                         fi
1736                                 done
1737                         done
1738                         return 1
1739                         ;;
1740
1741                 *)
1742                         if [ ! -z "${LIVE_MEDIA}" ]
1743                         then
1744                                 if check_dev "null" "${LIVE_MEDIA}" "skip_uuid_check"
1745                                 then
1746                                         return 0
1747                                 fi
1748                         fi
1749                         ;;
1750         esac
1751
1752         # or do the scan of block devices
1753         # prefer removable devices over non-removable devices, so scan them first
1754         devices_to_scan="$(removable_dev 'sys') $(non_removable_dev 'sys')"
1755
1756         for sysblock in $devices_to_scan
1757         do
1758                 devname=$(sys2dev "${sysblock}")
1759                 [ -e "$devname" ] || continue
1760                 fstype=$(get_fstype "${devname}")
1761
1762                 if /lib/udev/cdrom_id ${devname} > /dev/null
1763                 then
1764                         if check_dev "null" "${devname}"
1765                         then
1766                                 return 0
1767                         fi
1768                 elif is_nice_device "${sysblock}"
1769                 then
1770                         for dev in $(subdevices "${sysblock}")
1771                         do
1772                                 if check_dev "${dev}"
1773                                 then
1774                                         return 0
1775                                 fi
1776                         done
1777                 elif [ "${fstype}" = "squashfs" -o \
1778                         "${fstype}" = "btrfs" -o \
1779                         "${fstype}" = "ext2" -o \
1780                         "${fstype}" = "ext3" -o \
1781                         "${fstype}" = "ext4" -o \
1782                         "${fstype}" = "jffs2" ]
1783                 then
1784                         # This is an ugly hack situation, the block device has
1785                         # an image directly on it.  It's hopefully
1786                         # live-boot, so take it and run with it.
1787                         ln -s "${devname}" "${devname}.${fstype}"
1788                         echo "${devname}.${fstype}"
1789                         return 0
1790                 fi
1791         done
1792
1793         return 1
1794 }
1795
1796 integrity_check ()
1797 {
1798         media_mountpoint="${1}"
1799
1800         log_begin_msg "Checking media integrity"
1801
1802         cd ${media_mountpoint}
1803         /bin/md5sum -c md5sum.txt < /dev/tty8 > /dev/tty8
1804         RC="${?}"
1805
1806         log_end_msg
1807
1808         if [ "${RC}" -eq 0 ]
1809         then
1810                 log_success_msg "Everything ok, will reboot in 10 seconds."
1811                 sleep 10
1812                 cd /
1813                 umount ${media_mountpoint}
1814                 sync
1815                 echo u > /proc/sysrq-trigger
1816                 echo b > /proc/sysrq-trigger
1817         else
1818                 panic "Not ok, a media defect is likely, switch to VT8 for details."
1819         fi
1820 }
1821
1822 mountroot ()
1823 {
1824         if [ -x /scripts/local-top/cryptroot ]; then
1825             /scripts/local-top/cryptroot
1826         fi
1827
1828         exec 6>&1
1829         exec 7>&2
1830         exec > live-boot.log
1831         exec 2>&1
1832         tail -f live-boot.log >&7 &
1833         tailpid="${!}"
1834
1835         # Ensure 'panic' function is overridden
1836         . /scripts/live-functions
1837
1838         Arguments
1839
1840         maybe_break live-premount
1841         log_begin_msg "Running /scripts/live-premount"
1842         run_scripts /scripts/live-premount
1843         log_end_msg
1844
1845         # Needed here too because some things (*cough* udev *cough*)
1846         # changes the timeout
1847
1848         if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ] || [ ! -z "${HTTPFS}" ] || [ ! -z "${FTPFS}" ]
1849         then
1850                 if do_netmount
1851                 then
1852                         livefs_root="${mountpoint}"
1853                 else
1854                         panic "Unable to find a live file system on the network"
1855                 fi
1856         else
1857                 if [ -n "${ISCSI_PORTAL}" ]
1858                 then
1859                         do_iscsi && livefs_root="${mountpoint}"
1860                 elif [ -n "${PLAIN_ROOT}" ] && [ -n "${ROOT}" ]
1861                 then
1862                         # Do a local boot from hd
1863                         livefs_root=${ROOT}
1864                 else
1865                         if [ -x /usr/bin/memdiskfind ]
1866                         then
1867                                 MEMDISK=$(/usr/bin/memdiskfind)
1868
1869                                 if [ $? -eq 0 ]
1870                                 then
1871                                         # We found a memdisk, set up phram
1872                                         modprobe phram phram=memdisk,${MEMDISK}
1873
1874                                         # Load mtdblock, the memdisk will be /dev/mtdblock0
1875                                         modprobe mtdblock
1876                                 fi
1877                         fi
1878
1879                         # Scan local devices for the image
1880                         i=0
1881                         while [ "$i" -lt 60 ]
1882                         do
1883                                 livefs_root=$(find_livefs ${i})
1884
1885                                 if [ -n "${livefs_root}" ]
1886                                 then
1887                                         break
1888                                 fi
1889
1890                                 sleep 1
1891                                 i="$(($i + 1))"
1892                         done
1893                 fi
1894         fi
1895
1896         if [ -z "${livefs_root}" ]
1897         then
1898                 panic "Unable to find a medium containing a live file system"
1899         fi
1900
1901         if [ "${INTEGRITY_CHECK}" ]
1902         then
1903                 integrity_check "${livefs_root}"
1904         fi
1905
1906         if [ "${TORAM}" ]
1907         then
1908                 live_dest="ram"
1909         elif [ "${TODISK}" ]
1910         then
1911                 live_dest="${TODISK}"
1912         fi
1913
1914         if [ "${live_dest}" ]
1915         then
1916                 log_begin_msg "Copying live media to ${live_dest}"
1917                 copy_live_to "${livefs_root}" "${live_dest}"
1918                 log_end_msg
1919         fi
1920
1921         # if we do not unmount the ISO we can't run "fsck /dev/ice" later on
1922         # because the mountpoint is left behind in /proc/mounts, so let's get
1923         # rid of it when running from RAM
1924         if [ -n "$FROMISO" ] && [ "${TORAM}" ]
1925         then
1926           losetup -d /dev/loop0
1927           grep -q /isofrom /proc/mounts && umount /isofrom
1928         fi
1929
1930         if [ -n "${MODULETORAMFILE}" ] || [ -n "${PLAIN_ROOT}" ]
1931         then
1932                 setup_unionfs "${livefs_root}" "${rootmnt}"
1933         else
1934                 mac="$(get_mac)"
1935                 mac="$(echo ${mac} | sed 's/-//g')"
1936                 mount_images_in_directory "${livefs_root}" "${rootmnt}" "${mac}"
1937         fi
1938
1939
1940         if [ -n "${ROOT_PID}" ] ; then
1941                 echo "${ROOT_PID}" > "${rootmnt}"/live/root.pid
1942         fi
1943
1944         log_end_msg
1945
1946         # unionfs-fuse needs /dev to be bind-mounted for the duration of
1947         # live-bottom; udev's init script will take care of things after that
1948         if [ "${UNIONTYPE}" = unionfs-fuse ]
1949         then
1950                 mount -n -o bind /dev "${rootmnt}/dev"
1951         fi
1952
1953         # Move to the new root filesystem so that programs there can get at it.
1954         if [ ! -d /root/live/image ]
1955         then
1956                 mkdir -p /root/live/image
1957                 mount --move /live/image /root/live/image
1958         fi
1959
1960         # aufs2 in kernel versions around 2.6.33 has a regression:
1961         # directories can't be accessed when read for the first the time,
1962         # causing a failure for example when accessing /var/lib/fai
1963         # when booting FAI, this simple workaround solves it
1964         ls /root/* >/dev/null 2>&1
1965
1966         # copy snapshot configuration if exists
1967         if [ -f snapshot.conf ]
1968         then
1969                 log_begin_msg "Copying snapshot.conf to ${rootmnt}/etc/live/boot.d"
1970                 if [ ! -d "${rootmnt}/etc/live/boot.d" ]
1971                 then
1972                         mkdir -p "${rootmnt}/etc/live/boot.d"
1973                 fi
1974                 cp snapshot.conf "${rootmnt}/etc/live/boot.d/"
1975                 log_end_msg
1976         fi
1977
1978         if [ -f /etc/resolv.conf ] && [ ! -s ${rootmnt}/etc/resolv.conf ]
1979         then
1980                 log_begin_msg "Copying /etc/resolv.conf to ${rootmnt}/etc/resolv.conf"
1981                 cp -v /etc/resolv.conf ${rootmnt}/etc/resolv.conf
1982                 log_end_msg
1983         fi
1984
1985         maybe_break live-bottom
1986         log_begin_msg "Running /scripts/live-bottom\n"
1987
1988         run_scripts /scripts/live-bottom
1989         log_end_msg
1990
1991         if [ "${UNIONFS}" = unionfs-fuse ]
1992         then
1993                 umount "${rootmnt}/dev"
1994         fi
1995
1996         exec 1>&6 6>&-
1997         exec 2>&7 7>&-
1998         kill ${tailpid}
1999         [ -w "${rootmnt}/var/log/" ] && cp live-boot.log "${rootmnt}/var/log/" 2>/dev/null
2000 }