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 # Create /etc/mtab for debug purpose and future syncs
  25 if [ ! -d /etc ]
  26 then
  27         mkdir /etc/
  28 fi
  29
  30 if [ ! -f /etc/mtab ]
  31 then
  32         touch /etc/mtab
  33 fi
  34
  35 [ -f /etc/live.conf ] && . /etc/live.conf
  36 export USERNAME USERFULLNAME HOSTNAME
  37
  38 . /scripts/live-helpers
  39
  40 if [ ! -f /live.vars ]
  41 then
  42         touch /live.vars
  43 fi
  44
  45 Arguments ()
  46 {
  47         PRESEEDS=""
  48
  49         for ARGUMENT in $(cat /proc/cmdline)
  50         do
  51                 case "${ARGUMENT}" in
  52                         access=*)
  53                                 ACCESS="${ARGUMENT#access=}"
  54                                 export ACCESS
  55                                 ;;
  56
  57                         console=*)
  58                                 DEFCONSOLE="${ARGUMENT#*=}"
  59                                 export DEFCONSOLE
  60                                 ;;
  61
  62                         debug)
  63                                 DEBUG="Yes"
  64                                 export DEBUG
  65
  66                                 set -x
  67                                 ;;
  68
  69                         fetch=*)
  70                                 FETCH="${ARGUMENT#fetch=}"
  71                                 export FETCH
  72                                 ;;
  73
  74                         hook=*)
  75                                 HOOK="${ARGUMENT#hook=}"
  76                                 export HOOK
  77                                 ;;
  78
  79                         ftpfs=*)
  80                                 FTPFS="${ARGUMENT#ftpfs=}"
  81                                 export FTPFS
  82                                 ;;
  83
  84                         httpfs=*)
  85                                 HTTPFS="${ARGUMENT#httpfs=}"
  86                                 export HTTPFS
  87                                 ;;
  88
  89                         hostname=*)
  90                                 HOSTNAME="${ARGUMENT#hostname=}"
  91                                 LIVECONF="changed"
  92                                 export HOSTNAME LIVECONF
  93                                 ;;
  94
  95                         username=*)
  96                                 USERNAME="${ARGUMENT#username=}"
  97                                 LIVECONF="changed"
  98                                 export USERNAME LIVECONF
  99                                 ;;
 100
 101                         userfullname=*)
 102                                 USERFULLNAME="${ARGUMENT#userfullname=}"
 103                                 LIVECONF="changed"
 104                                 export USERFULLNAME LIVECONF
 105                                 ;;
 106
 107                         ignore_uuid)
 108                                 IGNORE_UUID="Yes"
 109                                 export IGNORE_UUID
 110                                 ;;
 111
 112                         ip=*)
 113                                 STATICIP="${ARGUMENT#ip=}"
 114
 115                                 if [ -z "${STATICIP}" ]
 116                                 then
 117                                         STATICIP="frommedia"
 118                                 fi
 119
 120                                 export STATICIP
 121                                 ;;
 122
 123                         keyb=*|kbd-chooser/method=*)
 124                                 KBD="${ARGUMENT#*=}"
 125                                 export KBD
 126                                 ;;
 127
 128                         klayout=*|console-setup/layoutcode=*)
 129                                 KLAYOUT="${ARGUMENT#*=}"
 130                                 export KLAYOUT
 131                                 ;;
 132
 133                         kvariant=*|console-setup/variantcode=*)
 134                                 KVARIANT="${ARGUMENT#*=}"
 135                                 export KVARIANT
 136                                 ;;
 137
 138                         kmodel=*|console-setup/modelcode=*)
 139                                 KMODEL="${ARGUMENT#*=}"
 140                                 export KMODEL
 141                                 ;;
 142
 143                         koptions=*)
 144                                 KOPTIONS="${ARGUMENT#koptions=}"
 145                                 export KOPTIONS
 146                                 ;;
 147
 148                         live-getty)
 149                                 LIVE_GETTY="1"
 150                                 export LIVE_GETTY
 151                                 ;;
 152
 153                         live-media=*|bootfrom=*)
 154                                 LIVE_MEDIA="${ARGUMENT#*=}"
 155                                 export LIVE_MEDIA
 156                                 ;;
 157
 158                         live-media-encryption=*|encryption=*)
 159                                 LIVE_MEDIA_ENCRYPTION="${ARGUMENT#*=}"
 160                                 export LIVE_MEDIA_ENCRYPTION
 161                                 ;;
 162
 163                         live-media-offset=*)
 164                                 LIVE_MEDIA_OFFSET="${ARGUMENT#live-media-offset=}"
 165                                 export LIVE_MEDIA_OFFSET
 166                                 ;;
 167
 168                         live-media-path=*)
 169                                 LIVE_MEDIA_PATH="${ARGUMENT#live-media-path=}"
 170                                 export LIVE_MEDIA_PATH
 171                                 ;;
 172
 173                         live-media-timeout=*)
 174                                 LIVE_MEDIA_TIMEOUT="${ARGUMENT#live-media-timeout=}"
 175                                 export LIVE_MEDIA_TIMEOUT
 176                                 ;;
 177
 178                         language=*|debian-installer/language=*)
 179                                 language=${x#debian-installer/language=}
 180                                 locale="$(lang2locale "$language")"
 181                                 set_locale="true"
 182                                 ;;
 183
 184                         locale=*|debian-installer/locale=*)
 185                                 LOCALE="${ARGUMENT#*=}"
 186                                 export LOCALE
 187                                 ;;
 188
 189                         module=*)
 190                                 MODULE="${ARGUMENT#module=}"
 191                                 export MODULE
 192                                 ;;
 193
 194                         netboot=*)
 195                                 NETBOOT="${ARGUMENT#netboot=}"
 196                                 export NETBOOT
 197                                 ;;
 198
 199                         nfsopts=*)
 200                                 NFSOPTS="${ARGUMENT#nfsopts=}"
 201                                 export NFSOPTS
 202                                 ;;
 203
 204                         nfscow=*)
 205                                 NFS_COW="${ARGUMENT#nfscow=}"
 206                                 export NFS_COW
 207                                 ;;
 208
 209                         noaccessibility)
 210                                 NOACCESSIBILITY="Yes"
 211                                 export NOACCESSIBILITY
 212                                 ;;
 213
 214                         noapparmor)
 215                                 NOAPPARMOR="Yes"
 216                                 export NOAPPARMOR
 217                                 ;;
 218
 219                         noaptcdrom)
 220                                 NOAPTCDROM="Yes"
 221                                 export NOAPTCDROM
 222                                 ;;
 223
 224                         noautologin)
 225                                 NOAUTOLOGIN="Yes"
 226                                 export NOAUTOLOGIN
 227                                 ;;
 228
 229                         noxautologin)
 230                                 NOXAUTOLOGIN="Yes"
 231                                 export NOXAUTOLOGIN
 232                                 ;;
 233
 234                         noconsolekeyboard)
 235                                 NOCONSOLEKEYBOARD="Yes"
 236                                 export NOCONSOLEKEYBOARD
 237                                 ;;
 238
 239                         nofastboot)
 240                                 NOFASTBOOT="Yes"
 241                                 export NOFASTBOOT
 242                                 ;;
 243
 244                         nofstab)
 245                                 NOFSTAB="Yes"
 246                                 export NOFSTAB
 247                                 ;;
 248
 249                         nognomepanel)
 250                                 NOGNOMEPANEL="Yes"
 251                                 export NOGNOMEPANEL
 252                                 ;;
 253
 254                         nohosts)
 255                                 NOHOSTS="Yes"
 256                                 export NOHOSTS
 257                                 ;;
 258
 259                         nokpersonalizer)
 260                                 NOKPERSONALIZER="Yes"
 261                                 export NOKPERSONALIZER
 262                                 ;;
 263
 264                         nolanguageselector)
 265                                 NOLANGUAGESELECTOR="Yes"
 266                                 export NOLANGUAGESELECTOR
 267                                 ;;
 268
 269                         nolocales)
 270                                 NOLOCALES="Yes"
 271                                 export NOLOCALES
 272                                 ;;
 273
 274                         nonetworking)
 275                                 NONETWORKING="Yes"
 276                                 export NONETWORKING
 277                                 ;;
 278
 279                         nopowermanagement)
 280                                 NOPOWERMANAGEMENT="Yes"
 281                                 export NOPOWERMANAGEMENT
 282                                 ;;
 283
 284                         noprogramcrashes)
 285                                 NOPROGRAMCRASHES="Yes"
 286                                 export NOPROGRAMCRASHES
 287                                 ;;
 288
 289                         norestrictedmanager)
 290                                 NORESTRICTEDMANAGER="Yes"
 291                                 export NORESTRICTEDMANAGER
 292                                 ;;
 293
 294                         nosudo)
 295                                 NOSUDO="Yes"
 296                                 export NOSUDO
 297                                 ;;
 298
 299                         swapon)
 300                                 SWAPON="Yes"
 301                                 export SWAPON
 302                                 ;;
 303
 304                         noupdatenotifier)
 305                                 NOUPDATENOTIFIER="Yes"
 306                                 export NOUPDATENOTIFIER
 307                                 ;;
 308
 309                         nouser)
 310                                 NOUSER="Yes"
 311                                 export NOUSER
 312                                 ;;
 313
 314                         noxautoconfig)
 315                                 NOXAUTOCONFIG="Yes"
 316                                 export NOXAUTOCONFIG
 317                                 ;;
 318
 319                         noxscreensaver)
 320                                 NOXSCREENSAVER="Yes"
 321                                 export NOXSCREENSAVER
 322                                 ;;
 323
 324                         persistent)
 325                                 PERSISTENT="Yes"
 326                                 export PERSISTENT
 327                                 ;;
 328
 329                         nopersistent)
 330                                 NOPERSISTENT="Yes"
 331                                 export NOPERSISTENT
 332                                 ;;
 333
 334                         preseed/file=*|file=*)
 335                                 LOCATION="${ARGUMENT#*=}"
 336                                 export LOCATION
 337                                 ;;
 338
 339                         nopreseed)
 340                                 NOPRESEED="Yes"
 341                                 export NOPRESEED
 342                                 ;;
 343
 344                         url=*)
 345                                 location="${ARGUMENT#url=}"
 346
 347                                 mount -o bind /sys /root/sys
 348                                 mount -o bind /proc /root/proc
 349                                 mount -o bind /dev /root/dev
 350
 351                                 mkdir -p /root/var/run/network
 352                                 chroot /root dhclient eth0
 353                                 chroot /root wget -P /tmp "${location}"
 354                                 chroot /root ifconfig eth0 down
 355
 356                                 umount /root/sys
 357                                 umount /root/proc
 358                                 umount /root/dev
 359
 360                                 LOCATION="/tmp/$(basename "${location}")"
 361                                 ;;
 362
 363                         */*=*)
 364                                 question="${ARGUMENT%%=*}"
 365                                 value="${ARGUMENT#*=}"
 366                                 PRESEEDS="${PRESEEDS}\"${question}=${value}\" "
 367                                 export PRESEEDS
 368                                 ;;
 369
 370                         showmounts)
 371                                 SHOWMOUNTS="Yes"
 372                                 export SHOWMOUNTS
 373                                 ;;
 374
 375                         textonly)
 376                                 TEXTONLY="Yes"
 377                                 export TEXTONLY
 378                                 ;;
 379
 380                         timezone=*)
 381                                 TIMEZONE="${ARGUMENT#timezone=}"
 382                                 export TIMEZONE
 383                                 ;;
 384
 385                         notimezone)
 386                                 NOTIMEZONE="Yes"
 387                                 export NOTIMEZONE
 388                                 ;;
 389
 390                         todisk=*)
 391                                 TODISK="${ARGUMENT#todisk=}"
 392                                 export TODISK
 393                                 ;;
 394
 395                         toram)
 396                                 TORAM="Yes"
 397                                 export TORAM
 398                                 ;;
 399
 400                         toram=*)
 401                                 TORAM="Yes"
 402                                 MODULETORAM="${ARGUMENT#toram=}"
 403                                 export TORAM MODULETORAM
 404                                 ;;
 405
 406                         exposedroot)
 407                                 EXPOSED_ROOT="Yes"
 408                                 export EXPOSED_ROOT
 409                                 ;;
 410
 411                         plainroot)
 412                                 PLAIN_ROOT="Yes"
 413                                 export PLAIN_ROOT
 414                                 ;;
 415
 416                         root=*)
 417                                 ROOT="${ARGUMENT#root=}"
 418                                 export ROOT
 419                                 ;;
 420
 421                         union=*)
 422                                 UNIONTYPE="${ARGUMENT#union=}"
 423                                 export UNIONTYPE
 424                                 ;;
 425
 426                         utc=*)
 427                                 UTC="${ARGUMENT#utc=}"
 428                                 export UTC
 429                                 ;;
 430
 431                         xdebconf)
 432                                 XDEBCONF="Yes"
 433                                 export XDEBCONF
 434                                 ;;
 435
 436                         xdriver=*)
 437                                 XDRIVER="${ARGUMENT#xdriver=}"
 438                                 export XDRIVER
 439                                 ;;
 440
 441                         xvideomode=*)
 442                                 XVIDEOMODE="${ARGUMENT#xvideomode=}"
 443                                 export XVIDEOMODE
 444                                 ;;
 445                 esac
 446         done
 447
 448         # sort of compatibility with netboot.h from linux docs
 449         if [ -z "${NETBOOT}" ]
 450         then
 451                 if [ "${ROOT}" = "/dev/nfs" ]
 452                 then
 453                         NETBOOT="nfs"
 454                         export NETBOOT
 455                 elif [ "${ROOT}" = "/dev/cifs" ]
 456                 then
 457                         NETBOOT="cifs"
 458                         export NETBOOT
 459                 fi
 460         fi
 461
 462         if [ -z "${MODULE}" ]
 463         then
 464                 MODULE="filesystem"
 465                 export MODULE
 466         fi
 467
 468         if [ -z "${UNIONTYPE}" ]
 469         then
 470                 UNIONTYPE="aufs"
 471                 export UNIONTYPE
 472         fi
 473 }
 474
 475 is_live_path ()
 476 {
 477         DIRECTORY="${1}"
 478
 479         if [ -d "${DIRECTORY}"/"${LIVE_MEDIA_PATH}" ]
 480         then
 481                 for FILESYSTEM in squashfs ext2 ext3 xfs dir jffs2
 482                 do
 483                         if [ "$(echo ${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM})" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ]
 484                         then
 485                                 return 0
 486                         fi
 487                 done
 488         fi
 489
 490         return 1
 491 }
 492
 493 matches_uuid ()
 494 {
 495         if [ "${IGNORE_UUID}" ] || [ ! -e /conf/uuid.conf ]
 496         then
 497                 return 0
 498         fi
 499
 500         path="${1}"
 501         uuid="$(cat /conf/uuid.conf)"
 502
 503         for try_uuid_file in "${mountpoint}/.disk/live-uuid"*
 504         do
 505                 [ -e "${try_uuid_file}" ] || continue
 506
 507                 try_uuid="$(cat "${try_uuid_file}")"
 508
 509                 if [ "${uuid}" = "${try_uuid}" ]
 510                 then
 511                         return 0
 512                 fi
 513         done
 514
 515         return 1
 516 }
 517
 518 get_backing_device ()
 519 {
 520         case "${1}" in
 521                 *.squashfs|*.ext2|*.ext3|*.jffs2)
 522                         echo $(setup_loop "${1}" "loop" "/sys/block/loop*" '0' "${LIVE_MEDIA_ENCRYPTION}" "${2}")
 523                         ;;
 524
 525                 *.dir)
 526                         echo "directory"
 527                         ;;
 528
 529                 *)
 530                         panic "Unrecognized live filesystem: ${1}"
 531                         ;;
 532         esac
 533 }
 534
 535 match_files_in_dir ()
 536 {
 537         # Does any files match pattern ${1} ?
 538         local pattern="${1}"
 539
 540         if [ "$(echo ${pattern})" != "${pattern}" ]
 541         then
 542                 return 0
 543         fi
 544
 545         return 1
 546 }
 547
 548 mount_images_in_directory ()
 549 {
 550         directory="${1}"
 551         rootmnt="${2}"
 552         mac="${3}"
 553
 554
 555         if match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.squashfs" ||
 556                 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext2" ||
 557                 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext3" ||
 558                 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.jffs2" ||
 559                 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.dir"
 560         then
 561                 [ -n "${mac}" ] && adddirectory="${directory}/${LIVE_MEDIA_PATH}/${mac}"
 562                 setup_unionfs "${directory}/${LIVE_MEDIA_PATH}" "${rootmnt}" "${adddirectory}"
 563         else
 564                 :
 565         fi
 566 }
 567
 568 is_nice_device ()
 569 {
 570         sysfs_path="${1#/sys}"
 571
 572         if /lib/udev/path_id "${sysfs_path}" | grep -E -q "ID_PATH=(usb|pci-[^-]*-[ide|scsi|usb])"
 573         then
 574                 return 0
 575         elif echo "${sysfs_path}" | grep -q '^/block/vd[a-z]$'
 576         then
 577                 return 0
 578         fi
 579
 580         return 1
 581 }
 582
 583 copy_live_to ()
 584 {
 585         copyfrom="${1}"
 586         copytodev="${2}"
 587         copyto="${copyfrom}_swap"
 588
 589         if [ -z "${MODULETORAM}" ]
 590         then
 591                 size=$(fs_size "" ${copyfrom} "used")
 592         else
 593                 MODULETORAMFILE="${copyfrom}/${LIVE_MEDIA_PATH}/${MODULETORAM}"
 594
 595                 if [ -f "${MODULETORAMFILE}" ]
 596                 then
 597                         size=$( expr $(ls -la ${MODULETORAMFILE} | awk '{print $5}') / 1024 + 5000 )
 598                 else
 599                         log_warning_msg "Error: toram-module ${MODULETORAM} (${MODULETORAMFILE}) could not be read."
 600                         return 1
 601                 fi
 602         fi
 603
 604         if [ "${copytodev}" = "ram" ]
 605         then
 606                 # copying to ram:
 607                 freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( cat /proc/meminfo | grep Cached | head -n 1 | awk '/Cached/{print $2}' - ) )
 608                 mount_options="-o size=${size}k"
 609                 free_string="memory"
 610                 fstype="tmpfs"
 611                 dev="/dev/shm"
 612         else
 613                 # it should be a writable block device
 614                 if [ -b "${copytodev}" ]
 615                 then
 616                         dev="${copytodev}"
 617                         free_string="space"
 618                         fstype=$(get_fstype "${dev}")
 619                         freespace=$(fs_size "${dev}")
 620                 else
 621                         log_warning_msg "${copytodev} is not a block device."
 622                         return 1
 623                 fi
 624         fi
 625
 626         if [ "${freespace}" -lt "${size}" ]
 627         then
 628                 log_warning_msg "Not enough free ${free_string} (${freespace}k free, ${size}k needed) to copy live media in ${copytodev}."
 629                 return 1
 630         fi
 631
 632         # begin copying (or uncompressing)
 633         mkdir "${copyto}"
 634         echo "mount -t ${fstype} ${mount_options} ${dev} ${copyto}"
 635         mount -t "${fstype}" ${mount_options} "${dev}" "${copyto}"
 636
 637         if [ "${extension}" = "tgz" ]
 638         then
 639                 cd "${copyto}"
 640                 tar zxf "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
 641                 rm -f "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
 642                 mount -r -o move "${copyto}" "${rootmnt}"
 643                 cd "${OLDPWD}"
 644         else
 645                 if [ -n "${MODULETORAMFILE}" ]
 646                 then
 647                         cp ${MODULETORAMFILE} ${copyto} # copy only the filesystem module
 648                 else
 649                         cp -a ${copyfrom}/* ${copyto}   # "cp -a" from busybox also copies hidden files
 650                 fi
 651
 652                 livefs_root
 653                 umount ${copyfrom}
 654                 mount -r -o move ${copyto} ${copyfrom}
 655         fi
 656
 657         rmdir ${copyto}
 658         return 0
 659 }
 660
 661 do_netmount ()
 662 {
 663         rc=1
 664
 665         modprobe -q af_packet # For DHCP
 666
 667         if [ -x /sbin/udevadm ]
 668         then
 669                 # lenny
 670                 udevadm trigger
 671                 udevadm settle
 672         else
 673                 # etch
 674                 udevtrigger
 675                 udevsettle
 676         fi
 677
 678         ipconfig ${DEVICE} | tee /netboot.config
 679
 680         # source relevant ipconfig output
 681         OLDHOSTNAME=${HOSTNAME}
 682         . /tmp/net-${DEVICE}.conf
 683         [ -z ${HOSTNAME} ] && HOSTNAME=${OLDHOSTNAME}
 684         export HOSTNAME
 685
 686         if [ "${NFSROOT}" = "auto" ]
 687         then
 688                 NFSROOT=${ROOTSERVER}:${ROOTPATH}
 689         fi
 690
 691         if ( [ -n "${FETCH}" ] || [ -n "${HTTPFS}" ] || [ -n "${FTPFS}" ] ) && do_httpmount
 692         then
 693                 rc=0
 694                 return ${rc}
 695         fi
 696
 697         if [ "${NFSROOT#*:}" = "${NFSROOT}" ] && [ "$NETBOOT" != "cifs" ]
 698         then
 699                 NFSROOT=${ROOTSERVER}:${NFSROOT}
 700         fi
 701
 702         log_begin_msg "Trying netboot from ${NFSROOT}"
 703
 704         if [ "${NETBOOT}" != "nfs" ] && do_cifsmount
 705         then
 706                 rc=0
 707         elif do_nfsmount
 708         then
 709                 NETBOOT="nfs"
 710                 export NETBOOT
 711                 rc=0
 712         fi
 713
 714         log_end_msg
 715         return ${rc}
 716 }
 717
 718 do_httpmount ()
 719 {
 720         rc=1
 721         dest="${mountpoint}/${LIVE_MEDIA_PATH}"
 722         mount -t ramfs ram "${mountpoint}"
 723         mkdir -p "${dest}"
 724
 725         for webfile in HTTPFS FTPFS FETCH
 726         do
 727                 url="$(eval echo \"\$\{${webfile}\}\")"
 728                 extension="$(echo "${url}" | sed 's/\(.*\)\.\(.*\)/\2/')"
 729
 730                 if [ -n "$url" ]
 731                 then
 732                         case "${extension}" in
 733                                 squashfs|tgz|tar)
 734                                         if [ "${webfile}" = "FETCH" ]
 735                                         then
 736                                                 case "$url" in
 737                                                         tftp*)
 738                                                                 ip="$(dirname $url | sed -e 's|tftp://||g')"
 739                                                                 log_begin_msg "Trying tftp -g -b 10240 -r $(basename ${url})  -l ${dest}/$(basename ${url}) $ip"
 740                                                                 tftp -g -b 10240 -r $(basename ${url})  -l ${dest}/$(basename ${url}) $ip
 741                                                         ;;
 742
 743                                                         *)
 744                                                                 log_begin_msg "Trying wget ${url} -O ${dest}/$(basename ${url})"
 745                                                                 wget "${url}" -O "${dest}/$(basename ${url})"
 746                                                                 ;;
 747                                                 esac
 748                                         else
 749                                                 log_begin_msg "Trying to mount ${url} on ${dest}/$(basename ${url})"
 750                                                 if [ "${webfile}" = "FTPFS" ]
 751                                                 then
 752                                                         FUSE_MOUNT="curlftpfs"
 753                                                         url="$(dirname ${url})"
 754                                                 else
 755                                                         FUSE_MOUNT="httpfs"
 756                                                 fi
 757                                                 modprobe fuse
 758                                                 $FUSE_MOUNT "${url}" "${dest}"
 759                                         fi
 760                                         [ ${?} -eq 0 ] && rc=0
 761                                         [ "${extension}" = "tgz" ] && live_dest="ram"
 762                                         break
 763                                         ;;
 764
 765                                 *)
 766                                         log_begin_msg "Unrecognized archive extension for ${url}"
 767                                         ;;
 768                         esac
 769                 fi
 770         done
 771
 772         if [ ${rc} != 0 ]
 773         then
 774             umount "${mountpoint}"
 775         fi
 776
 777         return ${rc}
 778 }
 779
 780 do_nfsmount ()
 781 {
 782         rc=1
 783
 784         modprobe -q nfs
 785
 786         if [ -z "${NFSOPTS}" ]
 787         then
 788                 NFSOPTS=""
 789         fi
 790
 791         log_begin_msg "Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}"
 792
 793         # FIXME: This for loop is an ugly HACK round an nfs bug
 794         for i in 0 1 2 3 4 5 6 7 8 9 a b c d e f 10 11 12 13
 795         do
 796                 nfsmount -o nolock -o ro ${NFSOPTS} "${NFSROOT}" "${mountpoint}" && rc=0 && break
 797                 sleep 1
 798         done
 799
 800         return ${rc}
 801 }
 802
 803 do_cifsmount ()
 804 {
 805         rc=1
 806
 807         if [ -x "/sbin/mount.cifs" ]
 808         then
 809                 if [ -z "${NFSOPTS}" ]
 810                 then
 811                         CIFSOPTS="-ouser=root,password="
 812                 else
 813                         CIFSOPTS="${NFSOPTS}"
 814                 fi
 815
 816                 log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}"
 817                 modprobe -q cifs
 818
 819                 if mount.cifs "${NFSROOT}" "${mountpoint}" "${CIFSOPTS}"
 820                 then
 821                         rc=0
 822                 fi
 823         fi
 824
 825         return ${rc}
 826 }
 827
 828 do_snap_copy ()
 829 {
 830         fromdev="${1}"
 831         todir="${2}"
 832         snap_type="${3}"
 833         size=$(fs_size "${fromdev}" "" "used")
 834
 835         if [ -b "${fromdev}" ]
 836         then
 837                 # look for free mem
 838                 if [ -n "${HOMEMOUNTED}" -a "${snap_type}" = "HOME" ]
 839                 then
 840                         todev=$(cat /proc/mounts | grep -s " $(base_path ${todir}) " | awk '{print $1}' )
 841                         freespace=$(df -k  | grep -s ${todev} | awk '{print $4}')
 842                 else
 843                         freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( cat /proc/meminfo | grep Cached | head -n 1 | awk '/Cached/{print $2}' - ))
 844                 fi
 845
 846                 tomount="/mnt/tmpsnap"
 847
 848                 if [ ! -d "${tomount}" ]
 849                 then
 850                         mkdir -p "${tomount}"
 851                 fi
 852
 853                 fstype=$(get_fstype "${fromdev}")
 854
 855                 if [ -n "${fstype}" ]
 856                 then
 857                         # Copying stuff...
 858                         mount -t "${fstype}" -o ro,noatime "${fromdev}" "${tomount}" || log_warning_msg "Error in mount -t ${fstype} -o ro,noatime ${fromdev} ${tomount}"
 859                         cp -a "${tomount}"/* ${todir}
 860                         umount "${tomount}"
 861                 else
 862                         log_warning_msg "Unrecognized fstype: ${fstype} on ${fromdev}:${snap_type}"
 863                 fi
 864
 865                 rmdir "${tomount}"
 866
 867                 if echo ${fromdev} | grep -qs loop
 868                 then
 869                         losetup -d "${fromdev}"
 870                 fi
 871
 872                 return 0
 873         else
 874                 return 1
 875
 876                 log_warning_msg "Unable to find the snapshot ${snap_type} medium"
 877         fi
 878 }
 879
 880 try_snap ()
 881 {
 882         # Look for ${snap_label}.* in block devices and copy the contents to ${snap_mount}
 883         # and remember the device and filename for resync on exit in live-initramfs.init
 884
 885         snap_label="${1}"
 886         snap_mount="${2}"
 887         snap_type="${3}"
 888         snapdata=$(find_files "${snap_label}.squashfs ${snap_label}.cpio.gz ${snap_label}.ext2 ${snap_label}.ext3 ${snap_label}.jffs2")
 889
 890         if [ ! -z "${snapdata}" ]
 891         then
 892                 log_success_msg "found snapshot: ${snapdata}"
 893                 snapdev="$(echo ${snapdata} | cut -f1 -d ' ')"
 894                 snapback="$(echo ${snapdata} | cut -f2 -d ' ')"
 895                 snapfile="$(echo ${snapdata} | cut -f3 -d ' ')"
 896
 897                 RES=""
 898
 899                 if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\|ext3\|jffs2\)'
 900                 then
 901                         # squashfs, jffs2 or ext2/ext3 snapshot
 902                         dev=$(get_backing_device "${snapback}/${snapfile}")
 903
 904                         do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
 905                         RES=$?
 906                 else
 907                         # cpio.gz snapshot
 908                         cd "${snap_mount}"
 909                         zcat "${snapback}/${snapfile}" | cpio --extract --preserve-modification-time --no-absolute-filenames --sparse --unconditional --make-directories > /dev/null 2>&1
 910                         RES=$?
 911                         cd "${OLDPWD}"
 912                 fi
 913
 914                 umount "${snapback}"
 915
 916                 if [ "${RES}" != "0" ]
 917                 then
 918                         log_warning_msg "Impossible to include the ${snapfile} Snapshot file"
 919                 fi
 920
 921         else
 922                 dev=$(find_cow_device "${snap_label}")
 923
 924                 if [ -b ${dev} ]
 925                 then
 926                         if echo "${dev}" | grep -qs loop
 927                         then
 928                                 # strange things happens, user confused?
 929                                 snaploop=$( losetup ${dev} | awk '{print $3}' | tr -d '()' )
 930                                 snapfile=$(basename ${snaploop})
 931                                 snapdev=$(cat /proc/mounts | awk '{print $2,$1}' | grep -es "^$( dirname ${snaploop} )" | cut -f2 -d ' ')
 932                         else
 933                                 snapdev="${dev}"
 934                         fi
 935
 936                         if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
 937                         then
 938                                 log_warning_msg "Impossible to include the ${snap_label} Snapshot"
 939                                 return 1
 940                         else
 941                                 if [ -n "${snapfile}" ]
 942                                 then
 943                                         # it was a loop device, user confused
 944                                         umount ${snapdev}
 945                                 fi
 946                         fi
 947                 else
 948                         log_warning_msg "Impossible to include the ${snap_label} Snapshot"
 949                         return 1
 950                 fi
 951         fi
 952
 953         echo "export ${snap_type}SNAP="${snap_mount}":${snapdev}:${snapfile}" >> /etc/live.conf # for resync on reboot/halt
 954         return 0
 955 }
 956
 957 setup_unionfs ()
 958 {
 959         image_directory="${1}"
 960         rootmnt="${2}"
 961         addimage_directory="${3}"
 962         modprobe -q -b ${UNIONTYPE}
 963
 964         # run-init can't deal with images in a subdir, but we're going to
 965         # move all of these away before it runs anyway.  No, we're not,
 966         # put them in / since move-mounting them into / breaks mono and
 967         # some other apps.
 968
 969         croot="/"
 970
 971         # Let's just mount the read-only file systems first
 972         rofsstring=""
 973         rofslist=""
 974         minor_kernel_version=$(uname -r|cut -c 5-|sed 's/[^0-9].*//')
 975
 976         if [ "${NETBOOT}" = "nfs" ] && [ "${minor_kernel_version}" -lt 22 ]
 977         then
 978                 # go aroung a bug in nfs-unionfs locking for unionfs <= 1.4
 979                 roopt="nfsro"
 980         elif [ "${UNIONTYPE}" = "aufs" ]
 981         then
 982                 roopt="rr"
 983         else
 984                 roopt="ro"
 985         fi
 986
 987         # Read image names from ${MODULE}.module if it exists
 988         if [ -e "${image_directory}/filesystem.${MODULE}.module" ]
 989         then
 990                 for IMAGE in $(cat ${image_directory}/filesystem.${MODULE}.module)
 991                 do
 992                         image_string="${image_string} ${image_directory}/${IMAGE}"
 993                 done
 994         elif [ -e "${image_directory}/${MODULE}.module" ]
 995         then
 996                 for IMAGE in $(cat ${image_directory}/${MODULE}.module)
 997                 do
 998                         image_string="${image_string} ${image_directory}/${IMAGE}"
 999                 done
1000         else
1001                 # ${MODULE}.module does not exist, create a list of images
1002                 for FILESYSTEM in squashfs ext2 ext3 xfs jffs2 dir
1003                 do
1004                         for IMAGE in "${image_directory}"/*."${FILESYSTEM}"
1005                         do
1006                                 if [ -e "${IMAGE}" ]
1007                                 then
1008                                         image_string="${image_string} ${IMAGE}"
1009                                 fi
1010                         done
1011                 done
1012
1013                 if [ -n "${addimage_directory}" ] && [ -d "${addimage_directory}" ]
1014                 then
1015                         for FILESYSTEM in squashfs ext2 ext3 xfs jffs2 dir
1016                         do
1017                                 for IMAGE in "${addimage_directory}"/*."${FILESYSTEM}"
1018                                 do
1019                                         if [ -e "${IMAGE}" ]
1020                                         then
1021                                                 image_string="${image_string} ${IMAGE}"
1022                                         fi
1023                                 done
1024                         done
1025                 fi
1026
1027                 # Now sort the list
1028                 image_string="$(echo ${image_string} | sed -e 's/ /\n/g' | sort )"
1029         fi
1030
1031         [ -n "${MODULETORAMFILE}" ] && image_string="${image_directory}/$(basename ${MODULETORAMFILE})"
1032
1033         mkdir -p "${croot}"
1034
1035         for image in ${image_string}
1036         do
1037                 imagename=$(basename "${image}")
1038
1039                 if [ -d "${image}" ]
1040                 then
1041                         # it is a plain directory: do nothing
1042                         rofsstring="${image}=${roopt}:${rofsstring}"
1043                         rofslist="${image} ${rofslist}"
1044                 elif [ -f "${image}" ]
1045                 then
1046                         if losetup --help 2>&1 | grep -q -- "-r\b"
1047                         then
1048                                 backdev=$(get_backing_device "${image}" "-r")
1049                         else
1050                                 backdev=$(get_backing_device "${image}")
1051                         fi
1052                         fstype=$(get_fstype "${backdev}")
1053
1054                         if [ "${fstype}" = "unknown" ]
1055                         then
1056                                 panic "Unknown file system type on ${backdev} (${image})"
1057                         fi
1058
1059                         if [ -z "${fstype}" ]
1060                         then
1061                                 fstype="${imagename##*.}"
1062                                 log_warning_msg "Unknown file system type on ${backdev} (${image}), assuming ${fstype}."
1063                         fi
1064
1065                         mkdir -p "${croot}/${imagename}"
1066                         log_begin_msg "Mounting \"${image}\" on \"${croot}${imagename}\" via \"${backdev}\""
1067                         mount -t "${fstype}" -o ro,noatime "${backdev}" "${croot}/${imagename}" || panic "Can not mount ${backdev} (${image}) on ${croot}/${imagename}" && rofsstring="${croot}/${imagename}=${roopt}:${rofsstring}" && rofslist="${croot}/${imagename} ${rofslist}"
1068                         log_end_msg
1069                 fi
1070         done
1071
1072         rofsstring=${rofsstring%:}
1073
1074         mkdir -p /cow
1075
1076         # Looking for "${root_persistence}" device or file
1077         if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
1078         then
1079                 # Load USB modules
1080                 num_block=$(ls -l /sys/block | wc -l)
1081                 for module in sd_mod uhci-hcd ehci-hcd ohci-hcd usb-storage
1082                 do
1083                         modprobe -q -b ${module}
1084                 done
1085
1086                 if [ -x /sbin/udevadm ]
1087                 then
1088                         # lenny
1089                         udevadm trigger
1090                         udevadm settle
1091                 else
1092                         # etch
1093                         udevtrigger
1094                         udevsettle
1095                 fi
1096
1097                 # For some reason, udevsettle does not block in this scenario,
1098                 # so we sleep for a little while.
1099                 #
1100                 # See https://bugs.launchpad.net/ubuntu/+source/casper/+bug/84591
1101                 for timeout in 5 4 3 2 1
1102                 do
1103                         sleep 1
1104
1105                         if [ $(ls -l /sys/block | wc -l) -gt ${num_block} ]
1106                         then
1107                                 break
1108                         fi
1109                 done
1110
1111                 cowprobe=$(find_cow_device "${root_persistence}")
1112
1113                 if [ -b "${cowprobe}" ]
1114                 then
1115                         cowdevice=${cowprobe}
1116                         cow_fstype=$(get_fstype "${cowprobe}")
1117                         cow_mountopt="rw,noatime"
1118                 else
1119                         log_warning_msg "Unable to find the persistent medium"
1120                         cowdevice="tmpfs"
1121                         cow_fstype="tmpfs"
1122                         cow_mountopt="rw,noatime,mode=755"
1123                 fi
1124         elif [ -n "${NFS_COW}" ] && [ -z "${NOPERSISTENT}" ]
1125         then
1126                 # check if there are any nfs options
1127                 if echo ${NFS_COW}|grep -q ','
1128                 then
1129                         nfs_cow_opts="-o nolock,$(echo ${NFS_COW}|cut -d, -f2-)"
1130                         nfs_cow=$(echo ${NFS_COW}|cut -d, -f1)
1131                 else
1132                         nfs_cow_opts="-o nolock"
1133                         nfs_cow=${NFS_COW}
1134                 fi
1135                 mac="$(get_mac)"
1136                 if [ -n "${mac}" ]
1137                 then
1138                         cowdevice=$(echo ${nfs_cow}|sed "s/client_mac_address/${mac}/")
1139                         cow_fstype="nfs"
1140                 else
1141                         panic "unable to determine mac address"
1142                 fi
1143         else
1144                 cowdevice="tmpfs"
1145                 cow_fstype="tmpfs"
1146                 cow_mountopt="rw,noatime,mode=755"
1147         fi
1148
1149         if [ "${cow_fstype}" = "nfs" ]
1150         then
1151                 log_begin_msg \
1152                         "Trying nfsmount ${nfs_cow_opts} ${cowdevice} /cow"
1153                 nfsmount ${nfs_cow_opts} ${cowdevice} /cow || \
1154                         panic "Can not mount ${cowdevice} (n: ${cow_fstype}) on /cow"
1155         else
1156                 mount -t ${cow_fstype} -o ${cow_mountopt} ${cowdevice} /cow || \
1157                         panic "Can not mount ${cowdevice} (o: ${cow_fstype}) on /cow"
1158         fi
1159
1160         rofscount=$(echo ${rofslist} |wc -w)
1161
1162         if [ -n "${EXPOSED_ROOT}" ]
1163         then
1164                 if [ ${rofscount} -ne 1 ]
1165                 then
1166                         panic "only one RO file system supported with exposedroot: ${rofslist}"
1167                 fi
1168                 exposedrootfs=${rofslist%% }
1169
1170                 mount --bind ${exposedrootfs} ${rootmnt} || \
1171                         panic "bind mount of ${exposedrootfs} failed"
1172
1173                 cow_dirs='/var/tmp /var/lock /var/run /var/log /var/spool
1174                         /home /var/lib/live'
1175
1176                 for dir in ${cow_dirs}; do
1177                         mkdir -p /cow${dir}
1178                         mount -t ${UNIONTYPE} \
1179                                 -o rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro \
1180                                 ${UNIONTYPE} "${rootmnt}${dir}" || \
1181                                 panic "mount ${UNIONTYPE} on ${rootmnt}${dir} failed with option \
1182                                         rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro"
1183                 done
1184         else
1185                 mount -t ${UNIONTYPE} -o noatime,dirs=/cow=rw:${rofsstring} \
1186                         ${UNIONTYPE} "${rootmnt}" || panic "mount ${UNIONTYPE} on \
1187                         ${rootmnt} failed with option noatime,dirs=/cow=rw:${rofsstring}"
1188         fi
1189
1190         # tmpfs file systems
1191         touch /etc/fstab
1192         mkdir -p "${rootmnt}/live"
1193         mount -t tmpfs tmpfs ${rootmnt}/live
1194
1195         # Adding other custom mounts
1196         if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
1197         then
1198                 # directly mount /home
1199                 # FIXME: add a custom mounts configurable system
1200                 homecow=$(find_cow_device "${home_persistence}" )
1201
1202                 if [ -b "${homecow}" ]
1203                 then
1204                         mount -t $(get_fstype "${homecow}") -o rw,noatime "${homecow}" "${rootmnt}/home"
1205                         export HOMEMOUNTED=1 # used to proper calculate free space in do_snap_copy()
1206                 else
1207                         log_warning_msg "Unable to find the persistent home medium"
1208                 fi
1209
1210                 # Look for other snapshots to copy in
1211                 try_snap "${root_snapshot_label}" "${rootmnt}" "ROOT"
1212                 try_snap "${home_snapshot_label}" "${rootmnt}/home" "HOME"
1213         fi
1214
1215         if [ -n "${SHOWMOUNTS}" ]
1216         then
1217                 for d in ${rofslist}
1218                 do
1219                         mkdir -p "${rootmnt}/live/${d##*/}"
1220
1221                         case d in
1222                                 *.dir)
1223                                         # do nothing # mount -o bind "${d}" "${rootmnt}/live/${d##*/}"
1224                                         ;;
1225
1226                                 *)
1227                                         mount -o move "${d}" "${rootmnt}/live/${d##*/}"
1228                                         ;;
1229                         esac
1230                 done
1231         fi
1232
1233         # shows cow fs on /cow for use by live-snapshot
1234         mkdir -p "${rootmnt}/live/cow"
1235         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 ${rootmnt}/live/cow"
1236 }
1237
1238 check_dev ()
1239 {
1240         sysdev="${1}"
1241         devname="${2}"
1242         skip_uuid_check="${3}"
1243
1244         if [ -z "${devname}" ]
1245         then
1246                 devname=$(sys2dev "${sysdev}")
1247         fi
1248
1249         if [ -d "${devname}" ]
1250         then
1251                 mount -o bind "${devname}" $mountpoint || continue
1252
1253                 if is_live_path $mountpoint
1254                 then
1255                         echo $mountpoint
1256                         return 0
1257                 else
1258                         umount $mountpoint
1259                 fi
1260         fi
1261
1262         if [ -n "${LIVE_MEDIA_OFFSET}" ]
1263         then
1264                 loopdevname=$(setup_loop "${devname}" "loop" "/sys/block/loop*" "${LIVE_MEDIA_OFFSET}" '')
1265                 devname="${loopdevname}"
1266         fi
1267
1268         fstype=$(get_fstype "${devname}")
1269
1270         if is_supported_fs ${fstype}
1271         then
1272                 mount -t ${fstype} -o ro,noatime "${devname}" ${mountpoint} || continue
1273
1274                 if is_live_path ${mountpoint} && \
1275                         ([ "${skip_uuid_check}" ] || matches_uuid ${mountpoint})
1276                 then
1277                         echo ${mountpoint}
1278                         return 0
1279                 else
1280                         umount ${mountpoint}
1281                 fi
1282         fi
1283
1284         if [ -n "${LIVE_MEDIA_OFFSET}" ]
1285         then
1286                 losetup -d "${loopdevname}"
1287         fi
1288
1289         return 1
1290 }
1291
1292 find_livefs ()
1293 {
1294         timeout="${1}"
1295
1296         # first look at the one specified in the command line
1297         if [ ! -z "${LIVE_MEDIA}" ]
1298         then
1299                 if check_dev "null" "${LIVE_MEDIA}" "skip_uuid_check"
1300                 then
1301                         return 0
1302                 fi
1303         fi
1304
1305         # don't start autodetection before timeout has expired
1306         if [ -n "${LIVE_MEDIA_TIMEOUT}" ]
1307         then
1308                 if [ "${timeout}" -lt "${LIVE_MEDIA_TIMEOUT}" ]
1309                 then
1310                         return 1
1311                 fi
1312         fi
1313
1314         # or do the scan of block devices
1315         for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -v loop | grep -v ram | grep -v 'dm-' | grep -v fd )
1316         do
1317                 devname=$(sys2dev "${sysblock}")
1318                 fstype=$(get_fstype "${devname}")
1319
1320                 if /lib/udev/cdrom_id ${devname} > /dev/null
1321                 then
1322                         if check_dev "null" "${devname}"
1323                         then
1324                                 return 0
1325                         fi
1326                 elif is_nice_device "${sysblock}"
1327                 then
1328                         for dev in $(subdevices "${sysblock}")
1329                         do
1330                                 if check_dev "${dev}"
1331                                 then
1332                                         return 0
1333                                 fi
1334                         done
1335                 elif [ "${fstype}" = "squashfs" -o \
1336                         "${fstype}" = "ext2" -o \
1337                         "${fstype}" = "ext3" -o \
1338                         "${fstype}" = "jffs2" ]
1339                 then
1340                         # This is an ugly hack situation, the block device has
1341                         # an image directly on it.  It's hopefully
1342                         # live-initramfs, so take it and run with it.
1343                         ln -s "${devname}" "${devname}.${fstype}"
1344                         echo "${devname}.${fstype}"
1345                         return 0
1346                 fi
1347         done
1348
1349         return 1
1350 }
1351
1352 set_usplash_timeout ()
1353 {
1354         if [ -x /sbin/usplash_write ]
1355         then
1356                 /sbin/usplash_write "TIMEOUT 120"
1357         else if [ -x /sbin/splashy_update ] ; then
1358                 /sbin/splashy_update "TIMEOUT 120"
1359         fi ; fi
1360 }
1361
1362 mountroot ()
1363 {
1364         if [ -x /scripts/local-top/cryptroot ]; then
1365             /scripts/local-top/cryptroot
1366         fi
1367
1368         exec 6>&1
1369         exec 7>&2
1370         exec > live.log
1371         exec 2>&1
1372         tail -f live.log >&7 &
1373         tailpid="${!}"
1374
1375         # Ensure 'panic' function is overridden
1376         . /scripts/live-functions
1377
1378         Arguments
1379
1380         set_usplash_timeout
1381
1382         maybe_break live-premount
1383         log_begin_msg "Running /scripts/live-premount"
1384         run_scripts /scripts/live-premount
1385         log_end_msg
1386
1387         # Needed here too because some things (*cough* udev *cough*)
1388         # changes the timeout
1389
1390         set_usplash_timeout
1391
1392         if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ] || [ ! -z "${HTTPFS}" ] || [ ! -z "${FTPFS}" ]
1393         then
1394                 if do_netmount
1395                 then
1396                         livefs_root="${mountpoint}"
1397                 else
1398                         panic "Unable to find a live file system on the network"
1399                 fi
1400         else
1401                 if [ -n "${PLAIN_ROOT}" ] && [ -n "${ROOT}" ]
1402                 then
1403                         # Do a local boot from hd
1404                         livefs_root=${ROOT}
1405                 else
1406                         # Scan local devices for the image
1407                         for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
1408                         do
1409                                 livefs_root=$(find_livefs ${i})
1410
1411                                 if [ -n "${livefs_root}" ]
1412                                 then
1413                                         break
1414                                 fi
1415
1416                                 sleep 1
1417                         done
1418                 fi
1419         fi
1420
1421         if [ -z "${livefs_root}" ]
1422         then
1423                 panic "Unable to find a medium containing a live file system"
1424         fi
1425
1426         if [ "${TORAM}" ]
1427         then
1428                 live_dest="ram"
1429         elif [ "${TODISK}" ]
1430         then
1431                 live_dest="${TODISK}"
1432         fi
1433
1434         if [ "${live_dest}" ]
1435         then
1436                 log_begin_msg "Copying live media to ${live_dest}"
1437                 copy_live_to "${livefs_root}" "${live_dest}"
1438                 log_end_msg
1439         fi
1440
1441         if [ -n "${MODULETORAMFILE}" ]
1442         then
1443                 setup_unionfs "${livefs_root}" "${rootmnt}"
1444         else
1445                 mac="$(get_mac)"
1446                 mac="$(echo ${mac} | sed 's/-//g')"
1447                 mount_images_in_directory "${livefs_root}" "${rootmnt}" "${mac}"
1448         fi
1449
1450         log_end_msg
1451
1452         maybe_break live-bottom
1453         log_begin_msg "Running /scripts/live-bottom"
1454
1455         run_scripts /scripts/live-bottom
1456         log_end_msg
1457
1458         exec 1>&6 6>&-
1459         exec 2>&7 7>&-
1460         kill ${tailpid}
1461         cp live.log "${rootmnt}/var/log/"
1462 }