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 LIVE_MEDIA_PATH="live"
  12
  13 root_persistence="live-rw"
  14 home_persistence="home-rw"
  15 root_snapshot_label="live-sn"
  16 home_snapshot_label="home-sn"
  17
  18 USERNAME="user"
  19 USERFULLNAME="Live user"
  20 HOSTNAME="host"
  21
  22 mkdir -p "${mountpoint}"
  23
  24 [ -f /etc/live.conf ] && . /etc/live.conf
  25 export USERNAME USERFULLNAME HOSTNAME
  26
  27 . /scripts/live-helpers
  28
  29 if [ ! -f /live.vars ]
  30 then
  31         touch /live.vars
  32 fi
  33
  34 Arguments ()
  35 {
  36         PRESEEDS=""
  37
  38         for ARGUMENT in $(cat /proc/cmdline)
  39         do
  40                 case "${ARGUMENT}" in
  41                         access=*)
  42                                 ACCESS="${ARGUMENT#access=}"
  43                                 export ACCESS
  44                                 ;;
  45
  46                         console=*)
  47                                 DEFCONSOLE="${ARGUMENT#*=}"
  48                                 export DEFCONSOLE
  49                                 ;;
  50
  51                         debug)
  52                                 DEBUG="Yes"
  53                                 export DEBUG
  54
  55                                 set -x
  56                                 ;;
  57
  58                         fetch=*)
  59                                 FETCH="${ARGUMENT#fetch=}"
  60                                 export FETCH
  61                                 ;;
  62
  63                         hook=*)
  64                                 HOOK="${ARGUMENT#hook=}"
  65                                 export HOOK
  66                                 ;;
  67
  68                         ftpfs=*)
  69                                 FTPFS="${ARGUMENT#ftpfs=}"
  70                                 export FTPFS
  71                                 ;;
  72
  73                         httpfs=*)
  74                                 HTTPFS="${ARGUMENT#httpfs=}"
  75                                 export HTTPFS
  76                                 ;;
  77
  78                         hostname=*)
  79                                 HOSTNAME="${ARGUMENT#hostname=}"
  80                                 LIVECONF="changed"
  81                                 export HOSTNAME LIVECONF
  82                                 ;;
  83
  84                         username=*)
  85                                 USERNAME="${ARGUMENT#username=}"
  86                                 LIVECONF="changed"
  87                                 export USERNAME LIVECONF
  88                                 ;;
  89
  90                         userfullname=*)
  91                                 USERFULLNAME="${ARGUMENT#userfullname=}"
  92                                 LIVECONF="changed"
  93                                 export USERFULLNAME LIVECONF
  94                                 ;;
  95
  96                         ignore_uuid)
  97                                 IGNORE_UUID="Yes"
  98                                 export IGNORE_UUID
  99                                 ;;
 100
 101                         ip=*)
 102                                 STATICIP="${ARGUMENT#ip=}"
 103
 104                                 if [ -z "${STATICIP}" ]
 105                                 then
 106                                         STATICIP="frommedia"
 107                                 fi
 108
 109                                 export STATICIP
 110                                 ;;
 111
 112                         keyb=*|kbd-chooser/method=*)
 113                                 KBD="${ARGUMENT#*=}"
 114                                 export KBD
 115                                 ;;
 116
 117                         klayout=*|console-setup/layoutcode=*)
 118                                 KLAYOUT="${ARGUMENT#*=}"
 119                                 export KLAYOUT
 120                                 ;;
 121
 122                         kvariant=*|console-setup/variantcode=*)
 123                                 KVARIANT="${ARGUMENT#*=}"
 124                                 export KVARIANT
 125                                 ;;
 126
 127                         kmodel=*|console-setup/modelcode=*)
 128                                 KMODEL="${ARGUMENT#*=}"
 129                                 export KMODEL
 130                                 ;;
 131
 132                         koptions=*)
 133                                 KOPTIONS="${ARGUMENT#koptions=}"
 134                                 export KOPTIONS
 135                                 ;;
 136
 137                         live-getty)
 138                                 LIVE_GETTY="1"
 139                                 export LIVE_GETTY
 140                                 ;;
 141
 142                         live-media=*|bootfrom=*)
 143                                 LIVE_MEDIA="${ARGUMENT#*=}"
 144                                 export LIVE_MEDIA
 145                                 ;;
 146
 147                         live-media-encryption=*|encryption=*)
 148                                 LIVE_MEDIA_ENCRYPTION="${ARGUMENT#*=}"
 149                                 export LIVE_MEDIA_ENCRYPTION
 150                                 ;;
 151
 152                         live-media-offset=*)
 153                                 LIVE_MEDIA_OFFSET="${ARGUMENT#live-media-offset=}"
 154                                 export LIVE_MEDIA_OFFSET
 155                                 ;;
 156
 157                         live-media-path=*)
 158                                 LIVE_MEDIA_PATH="${ARGUMENT#live-media-path=}"
 159                                 export LIVE_MEDIA_PATH
 160                                 ;;
 161
 162                         live-media-timeout=*)
 163                                 LIVE_MEDIA_TIMEOUT="${ARGUMENT#live-media-timeout=}"
 164                                 export LIVE_MEDIA_TIMEOUT
 165                                 ;;
 166
 167                         language=*|debian-installer/language=*)
 168                                 language=${x#debian-installer/language=}
 169                                 locale="$(lang2locale "$language")"
 170                                 set_locale="true"
 171                                 ;;
 172
 173                         locale=*|debian-installer/locale=*)
 174                                 LOCALE="${ARGUMENT#*=}"
 175                                 export LOCALE
 176                                 ;;
 177
 178                         module=*)
 179                                 MODULE="${ARGUMENT#module=}"
 180                                 export MODULE
 181                                 ;;
 182
 183                         netboot=*)
 184                                 NETBOOT="${ARGUMENT#netboot=}"
 185                                 export NETBOOT
 186                                 ;;
 187
 188                         nfsopts=*)
 189                                 NFSOPTS="${ARGUMENT#nfsopts=}"
 190                                 export NFSOPTS
 191                                 ;;
 192
 193                         nfscow=*)
 194                                 NFS_COW="${ARGUMENT#nfscow=}"
 195                                 export NFS_COW
 196                                 ;;
 197
 198                         noaccessibility)
 199                                 NOACCESSIBILITY="Yes"
 200                                 export NOACCESSIBILITY
 201                                 ;;
 202
 203                         noapparmor)
 204                                 NOAPPARMOR="Yes"
 205                                 export NOAPPARMOR
 206                                 ;;
 207
 208                         noaptcdrom)
 209                                 NOAPTCDROM="Yes"
 210                                 export NOAPTCDROM
 211                                 ;;
 212
 213                         noautologin)
 214                                 NOAUTOLOGIN="Yes"
 215                                 export NOAUTOLOGIN
 216                                 ;;
 217
 218                         noxautologin)
 219                                 NOXAUTOLOGIN="Yes"
 220                                 export NOXAUTOLOGIN
 221                                 ;;
 222
 223                         noconsolekeyboard)
 224                                 NOCONSOLEKEYBOARD="Yes"
 225                                 export NOCONSOLEKEYBOARD
 226                                 ;;
 227
 228                         nofastboot)
 229                                 NOFASTBOOT="Yes"
 230                                 export NOFASTBOOT
 231                                 ;;
 232
 233                         nofstab)
 234                                 NOFSTAB="Yes"
 235                                 export NOFSTAB
 236                                 ;;
 237
 238                         nognomepanel)
 239                                 NOGNOMEPANEL="Yes"
 240                                 export NOGNOMEPANEL
 241                                 ;;
 242
 243                         nohosts)
 244                                 NOHOSTS="Yes"
 245                                 export NOHOSTS
 246                                 ;;
 247
 248                         nokpersonalizer)
 249                                 NOKPERSONALIZER="Yes"
 250                                 export NOKPERSONALIZER
 251                                 ;;
 252
 253                         nolanguageselector)
 254                                 NOLANGUAGESELECTOR="Yes"
 255                                 export NOLANGUAGESELECTOR
 256                                 ;;
 257
 258                         nolocales)
 259                                 NOLOCALES="Yes"
 260                                 export NOLOCALES
 261                                 ;;
 262
 263                         nonetworking)
 264                                 NONETWORKING="Yes"
 265                                 export NONETWORKING
 266                                 ;;
 267
 268                         nopowermanagement)
 269                                 NOPOWERMANAGEMENT="Yes"
 270                                 export NOPOWERMANAGEMENT
 271                                 ;;
 272
 273                         noprogramcrashes)
 274                                 NOPROGRAMCRASHES="Yes"
 275                                 export NOPROGRAMCRASHES
 276                                 ;;
 277
 278                         norestrictedmanager)
 279                                 NORESTRICTEDMANAGER="Yes"
 280                                 export NORESTRICTEDMANAGER
 281                                 ;;
 282
 283                         nosudo)
 284                                 NOSUDO="Yes"
 285                                 export NOSUDO
 286                                 ;;
 287
 288                         swapon)
 289                                 SWAPON="Yes"
 290                                 export SWAPON
 291                                 ;;
 292
 293                         noupdatenotifier)
 294                                 NOUPDATENOTIFIER="Yes"
 295                                 export NOUPDATENOTIFIER
 296                                 ;;
 297
 298                         nouser)
 299                                 NOUSER="Yes"
 300                                 export NOUSER
 301                                 ;;
 302
 303                         noxautoconfig)
 304                                 NOXAUTOCONFIG="Yes"
 305                                 export NOXAUTOCONFIG
 306                                 ;;
 307
 308                         noxscreensaver)
 309                                 NOXSCREENSAVER="Yes"
 310                                 export NOXSCREENSAVER
 311                                 ;;
 312
 313                         persistent)
 314                                 PERSISTENT="Yes"
 315                                 export PERSISTENT
 316                                 ;;
 317
 318                         nopersistent)
 319                                 NOPERSISTENT="Yes"
 320                                 export NOPERSISTENT
 321                                 ;;
 322
 323                         preseed/file=*|file=*)
 324                                 LOCATION="${ARGUMENT#*=}"
 325                                 export LOCATION
 326                                 ;;
 327
 328                         nopreseed)
 329                                 NOPRESEED="Yes"
 330                                 export NOPRESEED
 331                                 ;;
 332
 333                         url=*)
 334                                 location="${ARGUMENT#url=}"
 335
 336                                 mount -n -o bind /sys /root/sys
 337                                 mount -n -o bind /proc /root/proc
 338                                 mount -n -o bind /dev /root/dev
 339
 340                                 mkdir -p /root/var/run/network
 341                                 chroot /root dhclient eth0
 342                                 chroot /root wget -P /tmp "${location}"
 343                                 chroot /root ifconfig eth0 down
 344
 345                                 umount /root/sys
 346                                 umount /root/proc
 347                                 umount /root/dev
 348
 349                                 LOCATION="/tmp/$(basename "${location}")"
 350                                 ;;
 351
 352                         */*=*)
 353                                 question="${ARGUMENT%%=*}"
 354                                 value="${ARGUMENT#*=}"
 355                                 PRESEEDS="${PRESEEDS}\"${question}=${value}\" "
 356                                 export PRESEEDS
 357                                 ;;
 358
 359                         showmounts)
 360                                 SHOWMOUNTS="Yes"
 361                                 export SHOWMOUNTS
 362                                 ;;
 363
 364                         textonly)
 365                                 TEXTONLY="Yes"
 366                                 export TEXTONLY
 367                                 ;;
 368
 369                         timezone=*)
 370                                 TIMEZONE="${ARGUMENT#timezone=}"
 371                                 export TIMEZONE
 372                                 ;;
 373
 374                         notimezone)
 375                                 NOTIMEZONE="Yes"
 376                                 export NOTIMEZONE
 377                                 ;;
 378
 379                         todisk=*)
 380                                 TODISK="${ARGUMENT#todisk=}"
 381                                 export TODISK
 382                                 ;;
 383
 384                         toram)
 385                                 TORAM="Yes"
 386                                 export TORAM
 387                                 ;;
 388
 389                         toram=*)
 390                                 TORAM="Yes"
 391                                 MODULETORAM="${ARGUMENT#toram=}"
 392                                 export TORAM MODULETORAM
 393                                 ;;
 394
 395                         exposedroot)
 396                                 EXPOSED_ROOT="Yes"
 397                                 export EXPOSED_ROOT
 398                                 ;;
 399
 400                         plainroot)
 401                                 PLAIN_ROOT="Yes"
 402                                 export PLAIN_ROOT
 403                                 ;;
 404
 405                         root=*)
 406                                 ROOT="${ARGUMENT#root=}"
 407                                 export ROOT
 408                                 ;;
 409
 410                         union=*)
 411                                 UNIONTYPE="${ARGUMENT#union=}"
 412                                 export UNIONTYPE
 413                                 ;;
 414
 415                         utc=*)
 416                                 UTC="${ARGUMENT#utc=}"
 417                                 export UTC
 418                                 ;;
 419
 420                         xdebconf)
 421                                 XDEBCONF="Yes"
 422                                 export XDEBCONF
 423                                 ;;
 424
 425                         xdriver=*)
 426                                 XDRIVER="${ARGUMENT#xdriver=}"
 427                                 export XDRIVER
 428                                 ;;
 429
 430                         xvideomode=*)
 431                                 XVIDEOMODE="${ARGUMENT#xvideomode=}"
 432                                 export XVIDEOMODE
 433                                 ;;
 434                 esac
 435         done
 436
 437         # sort of compatibility with netboot.h from linux docs
 438         if [ -z "${NETBOOT}" ]
 439         then
 440                 if [ "${ROOT}" = "/dev/nfs" ]
 441                 then
 442                         NETBOOT="nfs"
 443                         export NETBOOT
 444                 elif [ "${ROOT}" = "/dev/cifs" ]
 445                 then
 446                         NETBOOT="cifs"
 447                         export NETBOOT
 448                 fi
 449         fi
 450
 451         if [ -z "${MODULE}" ]
 452         then
 453                 MODULE="filesystem"
 454                 export MODULE
 455         fi
 456
 457         if [ -z "${UNIONTYPE}" ]
 458         then
 459                 UNIONTYPE="aufs"
 460                 export UNIONTYPE
 461         fi
 462 }
 463
 464 is_live_path ()
 465 {
 466         DIRECTORY="${1}"
 467
 468         if [ -d "${DIRECTORY}"/"${LIVE_MEDIA_PATH}" ]
 469         then
 470                 for FILESYSTEM in squashfs ext2 ext3 xfs dir jffs2
 471                 do
 472                         if [ "$(echo ${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM})" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ]
 473                         then
 474                                 return 0
 475                         fi
 476                 done
 477         fi
 478
 479         return 1
 480 }
 481
 482 matches_uuid ()
 483 {
 484         if [ "${IGNORE_UUID}" ] || [ ! -e /conf/uuid.conf ]
 485         then
 486                 return 0
 487         fi
 488
 489         path="${1}"
 490         uuid="$(cat /conf/uuid.conf)"
 491
 492         for try_uuid_file in "${mountpoint}/.disk/live-uuid"*
 493         do
 494                 [ -e "${try_uuid_file}" ] || continue
 495
 496                 try_uuid="$(cat "${try_uuid_file}")"
 497
 498                 if [ "${uuid}" = "${try_uuid}" ]
 499                 then
 500                         return 0
 501                 fi
 502         done
 503
 504         return 1
 505 }
 506
 507 get_backing_device ()
 508 {
 509         case "${1}" in
 510                 *.squashfs|*.ext2|*.ext3|*.jffs2)
 511                         echo $(setup_loop "${1}" "loop" "/sys/block/loop*" '0' "${LIVE_MEDIA_ENCRYPTION}" "${2}")
 512                         ;;
 513
 514                 *.dir)
 515                         echo "directory"
 516                         ;;
 517
 518                 *)
 519                         panic "Unrecognized live filesystem: ${1}"
 520                         ;;
 521         esac
 522 }
 523
 524 match_files_in_dir ()
 525 {
 526         # Does any files match pattern ${1} ?
 527         local pattern="${1}"
 528
 529         if [ "$(echo ${pattern})" != "${pattern}" ]
 530         then
 531                 return 0
 532         fi
 533
 534         return 1
 535 }
 536
 537 mount_images_in_directory ()
 538 {
 539         directory="${1}"
 540         rootmnt="${2}"
 541         mac="${3}"
 542
 543
 544         if match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.squashfs" ||
 545                 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext2" ||
 546                 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext3" ||
 547                 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.jffs2" ||
 548                 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.dir"
 549         then
 550                 [ -n "${mac}" ] && adddirectory="${directory}/${LIVE_MEDIA_PATH}/${mac}"
 551                 setup_unionfs "${directory}/${LIVE_MEDIA_PATH}" "${rootmnt}" "${adddirectory}"
 552         else
 553                 :
 554         fi
 555 }
 556
 557 is_nice_device ()
 558 {
 559         sysfs_path="${1#/sys}"
 560
 561         if /lib/udev/path_id "${sysfs_path}" | grep -E -q "ID_PATH=(usb|pci-[^-]*-[ide|scsi|usb])"
 562         then
 563                 return 0
 564         elif echo "${sysfs_path}" | grep -q '^/block/vd[a-z]$'
 565         then
 566                 return 0
 567         fi
 568
 569         return 1
 570 }
 571
 572 copy_live_to ()
 573 {
 574         copyfrom="${1}"
 575         copytodev="${2}"
 576         copyto="${copyfrom}_swap"
 577
 578         if [ -z "${MODULETORAM}" ]
 579         then
 580                 size=$(fs_size "" ${copyfrom} "used")
 581         else
 582                 MODULETORAMFILE="${copyfrom}/${LIVE_MEDIA_PATH}/${MODULETORAM}"
 583
 584                 if [ -f "${MODULETORAMFILE}" ]
 585                 then
 586                         size=$( expr $(ls -la ${MODULETORAMFILE} | awk '{print $5}') / 1024 + 5000 )
 587                 else
 588                         log_warning_msg "Error: toram-module ${MODULETORAM} (${MODULETORAMFILE}) could not be read."
 589                         return 1
 590                 fi
 591         fi
 592
 593         if [ "${copytodev}" = "ram" ]
 594         then
 595                 # copying to ram:
 596                 freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( cat /proc/meminfo | grep Cached | head -n 1 | awk '/Cached/{print $2}' - ) )
 597                 mount_options="-o size=${size}k"
 598                 free_string="memory"
 599                 fstype="tmpfs"
 600                 dev="/dev/shm"
 601         else
 602                 # it should be a writable block device
 603                 if [ -b "${copytodev}" ]
 604                 then
 605                         dev="${copytodev}"
 606                         free_string="space"
 607                         fstype=$(get_fstype "${dev}")
 608                         freespace=$(fs_size "${dev}")
 609                 else
 610                         log_warning_msg "${copytodev} is not a block device."
 611                         return 1
 612                 fi
 613         fi
 614
 615         if [ "${freespace}" -lt "${size}" ]
 616         then
 617                 log_warning_msg "Not enough free ${free_string} (${freespace}k free, ${size}k needed) to copy live media in ${copytodev}."
 618                 return 1
 619         fi
 620
 621         # begin copying (or uncompressing)
 622         mkdir "${copyto}"
 623         echo "mount -t ${fstype} ${mount_options} ${dev} ${copyto}"
 624         mount -n -t "${fstype}" ${mount_options} "${dev}" "${copyto}"
 625
 626         if [ "${extension}" = "tgz" ]
 627         then
 628                 cd "${copyto}"
 629                 tar zxf "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
 630                 rm -f "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
 631                 mount -n -r -o move "${copyto}" "${rootmnt}"
 632                 cd "${OLDPWD}"
 633         else
 634                 if [ -n "${MODULETORAMFILE}" ]
 635                 then
 636                         cp ${MODULETORAMFILE} ${copyto} # copy only the filesystem module
 637                 else
 638                         cp -a ${copyfrom}/* ${copyto}   # "cp -a" from busybox also copies hidden files
 639                 fi
 640
 641                 livefs_root
 642                 umount ${copyfrom}
 643                 mount -n -r -o move ${copyto} ${copyfrom}
 644         fi
 645
 646         rmdir ${copyto}
 647         return 0
 648 }
 649
 650 do_netmount ()
 651 {
 652         rc=1
 653
 654         modprobe -q af_packet # For DHCP
 655
 656         if [ -x /sbin/udevadm ]
 657         then
 658                 # lenny
 659                 udevadm trigger
 660                 udevadm settle
 661         else
 662                 # etch
 663                 udevtrigger
 664                 udevsettle
 665         fi
 666
 667         ipconfig ${DEVICE} | tee /netboot.config
 668
 669         # source relevant ipconfig output
 670         OLDHOSTNAME=${HOSTNAME}
 671         . /tmp/net-${DEVICE}.conf
 672         [ -z ${HOSTNAME} ] && HOSTNAME=${OLDHOSTNAME}
 673         export HOSTNAME
 674
 675         if [ "${NFSROOT}" = "auto" ]
 676         then
 677                 NFSROOT=${ROOTSERVER}:${ROOTPATH}
 678         fi
 679
 680         if ( [ -n "${FETCH}" ] || [ -n "${HTTPFS}" ] || [ -n "${FTPFS}" ] ) && do_httpmount
 681         then
 682                 rc=0
 683                 return ${rc}
 684         fi
 685
 686         if [ "${NFSROOT#*:}" = "${NFSROOT}" ] && [ "$NETBOOT" != "cifs" ]
 687         then
 688                 NFSROOT=${ROOTSERVER}:${NFSROOT}
 689         fi
 690
 691         log_begin_msg "Trying netboot from ${NFSROOT}"
 692
 693         if [ "${NETBOOT}" != "nfs" ] && do_cifsmount
 694         then
 695                 rc=0
 696         elif do_nfsmount
 697         then
 698                 NETBOOT="nfs"
 699                 export NETBOOT
 700                 rc=0
 701         fi
 702
 703         log_end_msg
 704         return ${rc}
 705 }
 706
 707 do_httpmount ()
 708 {
 709         rc=1
 710         dest="${mountpoint}/${LIVE_MEDIA_PATH}"
 711         mount -n -t ramfs ram "${mountpoint}"
 712         mkdir -p "${dest}"
 713
 714         for webfile in HTTPFS FTPFS FETCH
 715         do
 716                 url="$(eval echo \"\$\{${webfile}\}\")"
 717                 extension="$(echo "${url}" | sed 's/\(.*\)\.\(.*\)/\2/')"
 718
 719                 if [ -n "$url" ]
 720                 then
 721                         case "${extension}" in
 722                                 squashfs|tgz|tar)
 723                                         if [ "${webfile}" = "FETCH" ]
 724                                         then
 725                                                 case "$url" in
 726                                                         tftp*)
 727                                                                 ip="$(dirname $url | sed -e 's|tftp://||g')"
 728                                                                 log_begin_msg "Trying tftp -g -b 10240 -r $(basename ${url})  -l ${dest}/$(basename ${url}) $ip"
 729                                                                 tftp -g -b 10240 -r $(basename ${url})  -l ${dest}/$(basename ${url}) $ip
 730                                                         ;;
 731
 732                                                         *)
 733                                                                 log_begin_msg "Trying wget ${url} -O ${dest}/$(basename ${url})"
 734                                                                 wget "${url}" -O "${dest}/$(basename ${url})"
 735                                                                 ;;
 736                                                 esac
 737                                         else
 738                                                 log_begin_msg "Trying to mount ${url} on ${dest}/$(basename ${url})"
 739                                                 if [ "${webfile}" = "FTPFS" ]
 740                                                 then
 741                                                         FUSE_MOUNT="curlftpfs"
 742                                                         url="$(dirname ${url})"
 743                                                 else
 744                                                         FUSE_MOUNT="httpfs"
 745                                                 fi
 746                                                 modprobe fuse
 747                                                 $FUSE_MOUNT "${url}" "${dest}"
 748                                         fi
 749                                         [ ${?} -eq 0 ] && rc=0
 750                                         [ "${extension}" = "tgz" ] && live_dest="ram"
 751                                         break
 752                                         ;;
 753
 754                                 *)
 755                                         log_begin_msg "Unrecognized archive extension for ${url}"
 756                                         ;;
 757                         esac
 758                 fi
 759         done
 760
 761         if [ ${rc} != 0 ]
 762         then
 763             umount "${mountpoint}"
 764         fi
 765
 766         return ${rc}
 767 }
 768
 769 do_nfsmount ()
 770 {
 771         rc=1
 772
 773         modprobe -q nfs
 774
 775         if [ -z "${NFSOPTS}" ]
 776         then
 777                 NFSOPTS=""
 778         fi
 779
 780         log_begin_msg "Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}"
 781
 782         # FIXME: This for loop is an ugly HACK round an nfs bug
 783         for i in 0 1 2 3 4 5 6 7 8 9 a b c d e f 10 11 12 13
 784         do
 785                 nfsmount -o nolock -o ro ${NFSOPTS} "${NFSROOT}" "${mountpoint}" && rc=0 && break
 786                 sleep 1
 787         done
 788
 789         return ${rc}
 790 }
 791
 792 do_cifsmount ()
 793 {
 794         rc=1
 795
 796         if [ -x "/sbin/mount.cifs" ]
 797         then
 798                 if [ -z "${NFSOPTS}" ]
 799                 then
 800                         CIFSOPTS="-ouser=root,password="
 801                 else
 802                         CIFSOPTS="${NFSOPTS}"
 803                 fi
 804
 805                 log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}"
 806                 modprobe -q cifs
 807
 808                 if mount.cifs "${NFSROOT}" "${mountpoint}" "${CIFSOPTS}"
 809                 then
 810                         rc=0
 811                 fi
 812         fi
 813
 814         return ${rc}
 815 }
 816
 817 do_snap_copy ()
 818 {
 819         fromdev="${1}"
 820         todir="${2}"
 821         snap_type="${3}"
 822         size=$(fs_size "${fromdev}" "" "used")
 823
 824         if [ -b "${fromdev}" ]
 825         then
 826                 # look for free mem
 827                 if [ -n "${HOMEMOUNTED}" -a "${snap_type}" = "HOME" ]
 828                 then
 829                         todev=$(cat /proc/mounts | grep -s " $(base_path ${todir}) " | awk '{print $1}' )
 830                         freespace=$(df -k  | grep -s ${todev} | awk '{print $4}')
 831                 else
 832                         freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( cat /proc/meminfo | grep Cached | head -n 1 | awk '/Cached/{print $2}' - ))
 833                 fi
 834
 835                 tomount="/mnt/tmpsnap"
 836
 837                 if [ ! -d "${tomount}" ]
 838                 then
 839                         mkdir -p "${tomount}"
 840                 fi
 841
 842                 fstype=$(get_fstype "${fromdev}")
 843
 844                 if [ -n "${fstype}" ]
 845                 then
 846                         # Copying stuff...
 847                         mount -n -t "${fstype}" -o ro,noatime "${fromdev}" "${tomount}"
 848                         cp -a "${tomount}"/* ${todir}
 849                         umount "${tomount}"
 850                 else
 851                         log_warning_msg "Unrecognized fstype: ${fstype} on ${fromdev}:${snap_type}"
 852                 fi
 853
 854                 rmdir "${tomount}"
 855
 856                 if echo ${fromdev} | grep -qs loop
 857                 then
 858                         losetup -d "${fromdev}"
 859                 fi
 860
 861                 return 0
 862         else
 863                 return 1
 864
 865                 log_warning_msg "Unable to find the snapshot ${snap_type} medium"
 866         fi
 867 }
 868
 869 try_snap ()
 870 {
 871         # Look for ${snap_label}.* in block devices and copy the contents to ${snap_mount}
 872         # and remember the device and filename for resync on exit in live-initramfs.init
 873
 874         snap_label="${1}"
 875         snap_mount="${2}"
 876         snap_type="${3}"
 877         snapdata=$(find_files "${snap_label}.squashfs ${snap_label}.cpio.gz ${snap_label}.ext2 ${snap_label}.ext3 ${snap_label}.jffs2")
 878
 879         if [ ! -z "${snapdata}" ]
 880         then
 881                 snapdev="$(echo ${snapdata} | cut -f1 -d ' ')"
 882                 snapback="$(echo ${snapdata} | cut -f2 -d ' ')"
 883                 snapfile="$(echo ${snapdata} | cut -f3 -d ' ')"
 884
 885                 if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\|ext3\|jffs2\)'
 886                 then
 887                         # squashfs, jffs2 or ext2/ext3 snapshot
 888                         dev=$(get_backing_device "${snapback}/${snapfile}")
 889
 890                         if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
 891                         then
 892                                 log_warning_msg "Impossible to include the ${snapfile} Snapshot"
 893                                 return 1
 894                         fi
 895                 else
 896                         # cpio.gz snapshot
 897                         if ! (cd "${snap_mount}" && zcat "${snapback}/${snapfile}" | cpio --extract --preserve-modification-time --no-absolute-filenames --sparse --unconditional --make-directories > /dev/null 2>&1)
 898                         then
 899                                 log_warning_msg "Impossible to include the ${snapfile} Snapshot"
 900                                 return 1
 901                         fi
 902                 fi
 903
 904                 umount "${snapback}"
 905         else
 906                 dev=$(find_cow_device "${snap_label}")
 907
 908                 if [ -b ${dev} ]
 909                 then
 910                         if echo "${dev}" | grep -qs loop
 911                         then
 912                                 # strange things happens, user confused?
 913                                 snaploop=$( losetup ${dev} | awk '{print $3}' | tr -d '()' )
 914                                 snapfile=$(basename ${snaploop})
 915                                 snapdev=$(cat /proc/mounts | awk '{print $2,$1}' | grep -es "^$( dirname ${snaploop} )" | cut -f2 -d ' ')
 916                         else
 917                                 snapdev="${dev}"
 918                         fi
 919
 920                         if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
 921                         then
 922                                 log_warning_msg "Impossible to include the ${snap_label} Snapshot"
 923                                 return 1
 924                         else
 925                                 if [ -n "${snapfile}" ]
 926                                 then
 927                                         # it was a loop device, user confused
 928                                         umount ${snapdev}
 929                                 fi
 930                         fi
 931                 else
 932                         log_warning_msg "Impossible to include the ${snap_label} Snapshot"
 933                         return 1
 934                 fi
 935         fi
 936
 937         echo "export ${snap_type}SNAP="${snap_mount}":${snapdev}:${snapfile}" >> /etc/live.conf # for resync on reboot/halt
 938         return 0
 939 }
 940
 941 setup_unionfs ()
 942 {
 943         image_directory="${1}"
 944         rootmnt="${2}"
 945         addimage_directory="${3}"
 946         modprobe -q -b ${UNIONTYPE}
 947
 948         # run-init can't deal with images in a subdir, but we're going to
 949         # move all of these away before it runs anyway.  No, we're not,
 950         # put them in / since move-mounting them into / breaks mono and
 951         # some other apps.
 952
 953         croot="/"
 954
 955         # Let's just mount the read-only file systems first
 956         rofsstring=""
 957         rofslist=""
 958         minor_kernel_version=$(uname -r|cut -c 5-|sed 's/[^0-9].*//')
 959
 960         if [ "${NETBOOT}" = "nfs" ] && [ "${minor_kernel_version}" -lt 22 ]
 961         then
 962                 # go aroung a bug in nfs-unionfs locking for unionfs <= 1.4
 963                 roopt="nfsro"
 964         elif [ "${UNIONTYPE}" = "aufs" ]
 965         then
 966                 roopt="rr"
 967         else
 968                 roopt="ro"
 969         fi
 970
 971         # Read image names from ${MODULE}.module if it exists
 972         if [ -e "${image_directory}/filesystem.${MODULE}.module" ]
 973         then
 974                 for IMAGE in $(cat ${image_directory}/filesystem.${MODULE}.module)
 975                 do
 976                         image_string="${image_string} ${image_directory}/${IMAGE}"
 977                 done
 978         elif [ -e "${image_directory}/${MODULE}.module" ]
 979         then
 980                 for IMAGE in $(cat ${image_directory}/${MODULE}.module)
 981                 do
 982                         image_string="${image_string} ${image_directory}/${IMAGE}"
 983                 done
 984         else
 985                 # ${MODULE}.module does not exist, create a list of images
 986                 for FILESYSTEM in squashfs ext2 ext3 xfs jffs2 dir
 987                 do
 988                         for IMAGE in "${image_directory}"/*."${FILESYSTEM}"
 989                         do
 990                                 if [ -e "${IMAGE}" ]
 991                                 then
 992                                         image_string="${image_string} ${IMAGE}"
 993                                 fi
 994                         done
 995                 done
 996
 997                 if [ -n "${addimage_directory}" ] && [ -d "${addimage_directory}" ]
 998                 then
 999                         for FILESYSTEM in squashfs ext2 ext3 xfs jffs2 dir
1000                         do
1001                                 for IMAGE in "${addimage_directory}"/*."${FILESYSTEM}"
1002                                 do
1003                                         if [ -e "${IMAGE}" ]
1004                                         then
1005                                                 image_string="${image_string} ${IMAGE}"
1006                                         fi
1007                                 done
1008                         done
1009                 fi
1010
1011                 # Now sort the list
1012                 image_string="$(echo ${image_string} | sed -e 's/ /\n/g' | sort )"
1013         fi
1014
1015         [ -n "${MODULETORAMFILE}" ] && image_string="${image_directory}/$(basename ${MODULETORAMFILE})"
1016
1017         mkdir -p "${croot}"
1018
1019         for image in ${image_string}
1020         do
1021                 imagename=$(basename "${image}")
1022
1023                 if [ -d "${image}" ]
1024                 then
1025                         # it is a plain directory: do nothing
1026                         rofsstring="${image}=${roopt}:${rofsstring}"
1027                         rofslist="${image} ${rofslist}"
1028                 elif [ -f "${image}" ]
1029                 then
1030                         if losetup --help 2>&1 | grep -q -- "-r\b"
1031                         then
1032                                 backdev=$(get_backing_device "${image}" "-r")
1033                         else
1034                                 backdev=$(get_backing_device "${image}")
1035                         fi
1036                         fstype=$(get_fstype "${backdev}")
1037
1038                         if [ "${fstype}" = "unknown" ]
1039                         then
1040                                 panic "Unknown file system type on ${backdev} (${image})"
1041                         fi
1042
1043                         if [ -z "${fstype}" ]
1044                         then
1045                                 fstype="${imagename##*.}"
1046                                 log_warning_msg "Unknown file system type on ${backdev} (${image}), assuming ${fstype}."
1047                         fi
1048
1049                         mkdir -p "${croot}/${imagename}"
1050                         log_begin_msg "Mounting \"${image}\" on \"${croot}${imagename}\" via \"${backdev}\""
1051                         mount -n -t "${fstype}" -o ro,noatime "${backdev}" "${croot}/${imagename}" || panic "Can not mount ${backdev} (${image}) on ${croot}/${imagename}" && rofsstring="${croot}/${imagename}=${roopt}:${rofsstring}" && rofslist="${croot}/${imagename} ${rofslist}"
1052                         log_end_msg
1053                 fi
1054         done
1055
1056         rofsstring=${rofsstring%:}
1057
1058         mkdir -p /cow
1059
1060         # Looking for "${root_persistence}" device or file
1061         if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
1062         then
1063                 # Load USB modules
1064                 num_block=$(ls -l /sys/block | wc -l)
1065                 for module in sd_mod uhci-hcd ehci-hcd ohci-hcd usb-storage
1066                 do
1067                         modprobe -q -b ${module}
1068                 done
1069
1070                 if [ -x /sbin/udevadm ]
1071                 then
1072                         # lenny
1073                         udevadm trigger
1074                         udevadm settle
1075                 else
1076                         # etch
1077                         udevtrigger
1078                         udevsettle
1079                 fi
1080
1081                 # For some reason, udevsettle does not block in this scenario,
1082                 # so we sleep for a little while.
1083                 #
1084                 # See https://bugs.launchpad.net/ubuntu/+source/casper/+bug/84591
1085                 for timeout in 5 4 3 2 1
1086                 do
1087                         sleep 1
1088
1089                         if [ $(ls -l /sys/block | wc -l) -gt ${num_block} ]
1090                         then
1091                                 break
1092                         fi
1093                 done
1094
1095                 cowprobe=$(find_cow_device "${root_persistence}")
1096
1097                 if [ -b "${cowprobe}" ]
1098                 then
1099                         cowdevice=${cowprobe}
1100                         cow_fstype=$(get_fstype "${cowprobe}")
1101                         cow_mountopt="rw,noatime"
1102                 else
1103                         log_warning_msg "Unable to find the persistent medium"
1104                         cowdevice="tmpfs"
1105                         cow_fstype="tmpfs"
1106                         cow_mountopt="rw,noatime,mode=755"
1107                 fi
1108         elif [ -n "${NFS_COW}" ] && [ -z "${NOPERSISTENT}" ]
1109         then
1110                 # check if there are any nfs options
1111                 if echo ${NFS_COW}|grep -q ','
1112                 then
1113                         nfs_cow_opts="-o nolock,$(echo ${NFS_COW}|cut -d, -f2-)"
1114                         nfs_cow=$(echo ${NFS_COW}|cut -d, -f1)
1115                 else
1116                         nfs_cow_opts="-o nolock"
1117                         nfs_cow=${NFS_COW}
1118                 fi
1119                 mac="$(get_mac)"
1120                 if [ -n "${mac}" ]
1121                 then
1122                         cowdevice=$(echo ${nfs_cow}|sed "s/client_mac_address/${mac}/")
1123                         cow_fstype="nfs"
1124                 else
1125                         panic "unable to determine mac address"
1126                 fi
1127         else
1128                 cowdevice="tmpfs"
1129                 cow_fstype="tmpfs"
1130                 cow_mountopt="rw,noatime,mode=755"
1131         fi
1132
1133         if [ "${cow_fstype}" = "nfs" ]
1134         then
1135                 log_begin_msg \
1136                         "Trying nfsmount ${nfs_cow_opts} ${cowdevice} /cow"
1137                 nfsmount ${nfs_cow_opts} ${cowdevice} /cow || \
1138                         panic "Can not mount ${cowdevice} (n: ${cow_fstype}) on /cow"
1139         else
1140                 mount -n -t ${cow_fstype} -o ${cow_mountopt} ${cowdevice} /cow || \
1141                         panic "Can not mount ${cowdevice} (o: ${cow_fstype}) on /cow"
1142         fi
1143
1144         rofscount=$(echo ${rofslist} |wc -w)
1145
1146         if [ -n "${EXPOSED_ROOT}" ]
1147         then
1148                 if [ ${rofscount} -ne 1 ]
1149                 then
1150                         panic "only one RO file system supported with exposedroot: ${rofslist}"
1151                 fi
1152                 exposedrootfs=${rofslist%% }
1153
1154                 mount -n --bind ${exposedrootfs} ${rootmnt} || \
1155                         panic "bind mount of ${exposedrootfs} failed"
1156
1157                 cow_dirs='/var/tmp /var/lock /var/run /var/log /var/spool
1158                         /home /var/lib/live'
1159
1160                 for dir in ${cow_dirs}; do
1161                         mkdir -p /cow${dir}
1162                         mount -n -t ${UNIONTYPE} \
1163                                 -o rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro \
1164                                 ${UNIONTYPE} "${rootmnt}${dir}" || \
1165                                 panic "mount ${UNIONTYPE} on ${rootmnt}${dir} failed with option \
1166                                         rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro"
1167                 done
1168         else
1169                 mount -n -t ${UNIONTYPE} -o noatime,dirs=/cow=rw:${rofsstring} \
1170                         ${UNIONTYPE} "${rootmnt}" || panic "mount ${UNIONTYPE} on \
1171                         ${rootmnt} failed with option noatime,dirs=/cow=rw:${rofsstring}"
1172         fi
1173
1174         # tmpfs file systems
1175         touch /etc/fstab
1176         mkdir -p "${rootmnt}/live"
1177         mount -n -t tmpfs tmpfs ${rootmnt}/live
1178
1179         # Adding other custom mounts
1180         if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
1181         then
1182                 # directly mount /home
1183                 # FIXME: add a custom mounts configurable system
1184                 homecow=$(find_cow_device "${home_persistence}" )
1185
1186                 if [ -b "${homecow}" ]
1187                 then
1188                         mount -n -t $(get_fstype "${homecow}") -o rw,noatime "${homecow}" "${rootmnt}/home"
1189                         export HOMEMOUNTED=1 # used to proper calculate free space in do_snap_copy()
1190                 else
1191                         log_warning_msg "Unable to find the persistent home medium"
1192                 fi
1193
1194                 # Look for other snapshots to copy in
1195                 try_snap "${root_snapshot_label}" "${rootmnt}" "ROOT"
1196                 try_snap "${home_snapshot_label}" "${rootmnt}/home" "HOME"
1197         fi
1198
1199         if [ -n "${SHOWMOUNTS}" ]
1200         then
1201                 for d in ${rofslist}
1202                 do
1203                         mkdir -p "${rootmnt}/live/${d##*/}"
1204
1205                         case d in
1206                                 *.dir)
1207                                         # do nothing # mount -o bind "${d}" "${rootmnt}/live/${d##*/}"
1208                                         ;;
1209
1210                                 *)
1211                                         mount -n -o move "${d}" "${rootmnt}/live/${d##*/}"
1212                                         ;;
1213                         esac
1214                 done
1215         fi
1216
1217         # shows cow fs on /cow for use by live-snapshot
1218         mkdir -p "${rootmnt}/live/cow"
1219         mount -n -o move /cow "${rootmnt}/live/cow" >/dev/null 2>&1 || mount -n -o bind /cow "${rootmnt}/live/cow" || log_warning_msg "Unable to move or bind /cow to ${rootmnt}/live/cow"
1220 }
1221
1222 check_dev ()
1223 {
1224         sysdev="${1}"
1225         devname="${2}"
1226         skip_uuid_check="${3}"
1227
1228         if [ -z "${devname}" ]
1229         then
1230                 devname=$(sys2dev "${sysdev}")
1231         fi
1232
1233         if [ -d "${devname}" ]
1234         then
1235                 mount -n -o bind "${devname}" $mountpoint || continue
1236
1237                 if is_live_path $mountpoint
1238                 then
1239                         echo $mountpoint
1240                         return 0
1241                 else
1242                         umount $mountpoint
1243                 fi
1244         fi
1245
1246         if [ -n "${LIVE_MEDIA_OFFSET}" ]
1247         then
1248                 loopdevname=$(setup_loop "${devname}" "loop" "/sys/block/loop*" "${LIVE_MEDIA_OFFSET}" '')
1249                 devname="${loopdevname}"
1250         fi
1251
1252         fstype=$(get_fstype "${devname}")
1253
1254         if is_supported_fs ${fstype}
1255         then
1256                 mount -n -t ${fstype} -o ro,noatime "${devname}" ${mountpoint} || continue
1257
1258                 if is_live_path ${mountpoint} && \
1259                         ([ "${skip_uuid_check}" ] || matches_uuid ${mountpoint})
1260                 then
1261                         echo ${mountpoint}
1262                         return 0
1263                 else
1264                         umount ${mountpoint}
1265                 fi
1266         fi
1267
1268         if [ -n "${LIVE_MEDIA_OFFSET}" ]
1269         then
1270                 losetup -d "${loopdevname}"
1271         fi
1272
1273         return 1
1274 }
1275
1276 find_livefs ()
1277 {
1278         timeout="${1}"
1279
1280         # first look at the one specified in the command line
1281         if [ ! -z "${LIVE_MEDIA}" ]
1282         then
1283                 if check_dev "null" "${LIVE_MEDIA}" "skip_uuid_check"
1284                 then
1285                         return 0
1286                 fi
1287         fi
1288
1289         # don't start autodetection before timeout has expired
1290         if [ -n "${LIVE_MEDIA_TIMEOUT}" ]
1291         then
1292                 if [ "${timeout}" -lt "${LIVE_MEDIA_TIMEOUT}" ]
1293                 then
1294                         return 1
1295                 fi
1296         fi
1297
1298         # or do the scan of block devices
1299         for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -v loop | grep -v ram | grep -v 'dm-' | grep -v fd )
1300         do
1301                 devname=$(sys2dev "${sysblock}")
1302                 fstype=$(get_fstype "${devname}")
1303
1304                 if /lib/udev/cdrom_id ${devname} > /dev/null
1305                 then
1306                         if check_dev "null" "${devname}"
1307                         then
1308                                 return 0
1309                         fi
1310                 elif is_nice_device "${sysblock}"
1311                 then
1312                         for dev in $(subdevices "${sysblock}")
1313                         do
1314                                 if check_dev "${dev}"
1315                                 then
1316                                         return 0
1317                                 fi
1318                         done
1319                 elif [ "${fstype}" = "squashfs" -o \
1320                         "${fstype}" = "ext2" -o \
1321                         "${fstype}" = "ext3" -o \
1322                         "${fstype}" = "jffs2" ]
1323                 then
1324                         # This is an ugly hack situation, the block device has
1325                         # an image directly on it.  It's hopefully
1326                         # live-initramfs, so take it and run with it.
1327                         ln -s "${devname}" "${devname}.${fstype}"
1328                         echo "${devname}.${fstype}"
1329                         return 0
1330                 fi
1331         done
1332
1333         return 1
1334 }
1335
1336 set_usplash_timeout ()
1337 {
1338         if [ -x /sbin/usplash_write ]
1339         then
1340                 /sbin/usplash_write "TIMEOUT 120"
1341         else if [ -x /sbin/splashy_update ] ; then
1342                 /sbin/splashy_update "TIMEOUT 120"
1343         fi ; fi
1344 }
1345
1346 mountroot ()
1347 {
1348         if [ -x /scripts/local-top/cryptroot ]; then
1349             /scripts/local-top/cryptroot
1350         fi
1351
1352         exec 6>&1
1353         exec 7>&2
1354         exec > live.log
1355         exec 2>&1
1356         tail -f live.log >&7 &
1357         tailpid="${!}"
1358
1359         # Ensure 'panic' function is overridden
1360         . /scripts/live-functions
1361
1362         Arguments
1363
1364         set_usplash_timeout
1365         log_begin_msg "Running /scripts/live-premount"
1366         run_scripts /scripts/live-premount
1367         log_end_msg
1368
1369         # Needed here too because some things (*cough* udev *cough*)
1370         # changes the timeout
1371
1372         set_usplash_timeout
1373
1374         if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ] || [ ! -z "${HTTPFS}" ] || [ ! -z "${FTPFS}" ]
1375         then
1376                 if do_netmount
1377                 then
1378                         livefs_root="${mountpoint}"
1379                 else
1380                         panic "Unable to find a live file system on the network"
1381                 fi
1382         else
1383                 if [ -n "${PLAIN_ROOT}" ] && [ -n "${ROOT}" ]
1384                 then
1385                         # Do a local boot from hd
1386                         livefs_root=${ROOT}
1387                 else
1388                         # Scan local devices for the image
1389                         for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
1390                         do
1391                                 livefs_root=$(find_livefs ${i})
1392
1393                                 if [ -n "${livefs_root}" ]
1394                                 then
1395                                         break
1396                                 fi
1397
1398                                 sleep 1
1399                         done
1400                 fi
1401         fi
1402
1403         if [ -z "${livefs_root}" ]
1404         then
1405                 panic "Unable to find a medium containing a live file system"
1406         fi
1407
1408         if [ "${TORAM}" ]
1409         then
1410                 live_dest="ram"
1411         elif [ "${TODISK}" ]
1412         then
1413                 live_dest="${TODISK}"
1414         fi
1415
1416         if [ "${live_dest}" ]
1417         then
1418                 log_begin_msg "Copying live media to ${live_dest}"
1419                 copy_live_to "${livefs_root}" "${live_dest}"
1420                 log_end_msg
1421         fi
1422
1423         if [ -n "${MODULETORAMFILE}" ]
1424         then
1425                 setup_unionfs "${livefs_root}" "${rootmnt}"
1426         else
1427                 mac="$(get_mac)"
1428                 mac="$(echo ${mac} | sed 's/-//g')"
1429                 mount_images_in_directory "${livefs_root}" "${rootmnt}" "${mac}"
1430         fi
1431
1432         log_end_msg
1433
1434         maybe_break live-bottom
1435         log_begin_msg "Running /scripts/live-bottom"
1436
1437         run_scripts /scripts/live-bottom
1438         log_end_msg
1439
1440         exec 1>&6 6>&-
1441         exec 2>&7 7>&-
1442         kill ${tailpid}
1443         cp live.log "${rootmnt}/var/log/"
1444 }