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                         noswap)
 289                                 NOSWAP="Yes"
 290                                 export NOSWAP
 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="unionfs"
 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 "${sysfs_path}" | grep -E -q "ID_PATH=(usb|pci-[^-]*-[ide|scsi|usb])"
 562         then
 563                 return 0
 564         fi
 565
 566         return 1
 567 }
 568
 569 copy_live_to ()
 570 {
 571         copyfrom="${1}"
 572         copytodev="${2}"
 573         copyto="${copyfrom}_swap"
 574
 575         if [ -z "${MODULETORAM}" ]
 576         then
 577                 size=$(fs_size "" ${copyfrom} "used")
 578         else
 579                 MODULETORAMFILE="${copyfrom}/${LIVE_MEDIA_PATH}/${MODULETORAM}"
 580
 581                 if [ -f "${MODULETORAMFILE}" ]
 582                 then
 583                         size=$( expr $(ls -la ${MODULETORAMFILE} | awk '{print $5}') / 1024 + 5000 )
 584                 else
 585                         log_warning_msg "Error: toram-module ${MODULETORAM} (${MODULETORAMFILE}) could not be read."
 586                         return 1
 587                 fi
 588         fi
 589
 590         if [ "${copytodev}" = "ram" ]
 591         then
 592                 # copying to ram:
 593                 freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( cat /proc/meminfo | grep Cached | head -n 1 | awk '/Cached/{print $2}' - ) )
 594                 mount_options="-o size=${size}k"
 595                 free_string="memory"
 596                 fstype="tmpfs"
 597                 dev="/dev/shm"
 598         else
 599                 # it should be a writable block device
 600                 if [ -b "${copytodev}" ]
 601                 then
 602                         dev="${copytodev}"
 603                         free_string="space"
 604                         fstype=$(get_fstype "${dev}")
 605                         freespace=$(fs_size "${dev}")
 606                 else
 607                         [ "$quiet" != "y" ] && log_warning_msg "${copytodev} is not a block device."
 608                         return 1
 609                 fi
 610         fi
 611
 612         if [ "${freespace}" -lt "${size}" ]
 613         then
 614                 [ "${quiet}" != "y" ] && log_warning_msg "Not enough free ${free_string} (${freespace}k free, ${size}k needed) to copy live media in ${copytodev}."
 615                 return 1
 616         fi
 617
 618         # begin copying (or uncompressing)
 619         mkdir "${copyto}"
 620         echo "mount -t ${fstype} ${mount_options} ${dev} ${copyto}"
 621         mount -t "${fstype}" ${mount_options} "${dev}" "${copyto}"
 622
 623         if [ "${extension}" = "tgz" ]
 624         then
 625                 cd "${copyto}"
 626                 tar zxf "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
 627                 rm -f "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
 628                 mount -r -o move "${copyto}" "${rootmnt}"
 629                 cd "${OLDPWD}"
 630         else
 631                 if [ -n "${MODULETORAMFILE}" ]
 632                 then
 633                         cp ${MODULETORAMFILE} ${copyto} # copy only the filesystem module
 634                 else
 635                         cp -a ${copyfrom}/* ${copyto}   # "cp -a" from busybox also copies hidden files
 636                 fi
 637
 638                 livefs_root
 639                 umount ${copyfrom}
 640                 mount -r -o move ${copyto} ${copyfrom}
 641         fi
 642
 643         rmdir ${copyto}
 644         return 0
 645 }
 646
 647 do_netmount ()
 648 {
 649         rc=1
 650
 651         modprobe -q af_packet # For DHCP
 652
 653         udevtrigger
 654         udevsettle
 655
 656         ipconfig ${DEVICE} | tee /netboot.config
 657
 658         # source relevant ipconfig output
 659         OLDHOSTNAME=${HOSTNAME}
 660         . /tmp/net-${DEVICE}.conf
 661         [ -z ${HOSTNAME} ] && HOSTNAME=${OLDHOSTNAME}
 662         export HOSTNAME
 663
 664         if [ "${NFSROOT}" = "auto" ]
 665         then
 666                 NFSROOT=${ROOTSERVER}:${ROOTPATH}
 667         fi
 668
 669         if ( [ -n "${FETCH}" ] || [ -n "${HTTPFS}" ] || [ -n "${FTPFS}" ] ) && do_httpmount
 670         then
 671                 rc=0
 672                 return ${rc}
 673         fi
 674
 675         if [ "${NFSROOT#*:}" = "${NFSROOT}" ] && [ "$NETBOOT" != "cifs" ]
 676         then
 677                 NFSROOT=${ROOTSERVER}:${NFSROOT}
 678         fi
 679
 680         [ "${quiet}" != "y" ] && log_begin_msg "Trying netboot from ${NFSROOT}"
 681
 682         if [ "${NETBOOT}" != "nfs" ] && do_cifsmount
 683         then
 684                 rc=0
 685         elif do_nfsmount
 686         then
 687                 NETBOOT="nfs"
 688                 export NETBOOT
 689                 rc=0
 690         fi
 691
 692         [ "${quiet}" != "y" ] && log_end_msg
 693         return ${rc}
 694 }
 695
 696 do_httpmount ()
 697 {
 698         rc=1
 699         dest="${mountpoint}/${LIVE_MEDIA_PATH}"
 700         mount -t ramfs ram "${mountpoint}"
 701         mkdir -p "${dest}"
 702
 703         for webfile in HTTPFS FTPFS FETCH
 704         do
 705                 url="$(eval echo \"\$\{${webfile}\}\")"
 706                 extension="$(echo "${url}" | sed 's/\(.*\)\.\(.*\)/\2/')"
 707
 708                 if [ -n "$url" ]
 709                 then
 710                         case "${extension}" in
 711                                 squashfs|tgz|tar)
 712                                         if [ "${webfile}" = "FETCH" ]
 713                                         then
 714                                                 [ "${quiet}" != "y" ] &&
 715                                                         log_begin_msg "Trying wget ${url} -O ${dest}/$(basename ${url})"
 716                                                 wget "${url}" -O "${dest}/$(basename ${url})"
 717                                         else
 718                                                 [ "${quiet}" != "y" ] &&
 719                                                         log_begin_msg "Trying to mount ${url} on ${dest}/$(basename ${url})"
 720                                                 if [ "${webfile}" = "FTPFS" ]
 721                                                 then
 722                                                         FUSE_MOUNT="curlftpfs"
 723                                                         url="$(dirname ${url})"
 724                                                 else
 725                                                         FUSE_MOUNT="httpfs"
 726                                                 fi
 727                                                 modprobe fuse
 728                                                 $FUSE_MOUNT "${url}" "${dest}"
 729                                         fi
 730                                         [ ${?} -eq 0 ] && rc=0
 731                                         [ "${extension}" = "tgz" ] && live_dest="ram"
 732                                         break
 733                                         ;;
 734
 735                                 *)
 736                                         [ "${quiet}" != "y" ] && log_begin_msg "Unrecognized archive extension for ${url}"
 737                                         ;;
 738                         esac
 739                 fi
 740         done
 741
 742         if [ ${rc} != 0 ]
 743         then
 744             umount "${mountpoint}"
 745         fi
 746
 747         return ${rc}
 748 }
 749
 750 do_nfsmount ()
 751 {
 752         rc=1
 753
 754         modprobe -q nfs
 755
 756         if [ -z "${NFSOPTS}" ]
 757         then
 758                 NFSOPTS=""
 759         fi
 760
 761         [ "${quiet}" != "y" ] && log_begin_msg "Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}"
 762
 763         # FIXME: This for loop is an ugly HACK round an nfs bug
 764         for i in 0 1 2 3 4 5 6 7 8 9 a b c d e f 10 11 12 13
 765         do
 766                 nfsmount -o nolock -o ro ${NFSOPTS} "${NFSROOT}" "${mountpoint}" && rc=0 && break
 767                 sleep 1
 768         done
 769
 770         return ${rc}
 771 }
 772
 773 do_cifsmount ()
 774 {
 775         rc=1
 776
 777         if [ -x "/sbin/mount.cifs" ]
 778         then
 779                 if [ -z "${NFSOPTS}" ]
 780                 then
 781                         CIFSOPTS="-ouser=root,password="
 782                 else
 783                         CIFSOPTS="${NFSOPTS}"
 784                 fi
 785
 786                 [ "${quiet}" != "y" ] && log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}"
 787                 modprobe -q cifs
 788
 789                 if mount.cifs "${NFSROOT}" "${mountpoint}" "${CIFSOPTS}"
 790                 then
 791                         rc=0
 792                 fi
 793         fi
 794
 795         return ${rc}
 796 }
 797
 798 do_snap_copy ()
 799 {
 800         fromdev="${1}"
 801         todir="${2}"
 802         snap_type="${3}"
 803         size=$(fs_size "${fromdev}" "" "used")
 804
 805         if [ -b "${fromdev}" ]
 806         then
 807                 # look for free mem
 808                 if [ -n "${HOMEMOUNTED}" -a "${snap_type}" = "HOME" ]
 809                 then
 810                         todev=$(cat /proc/mounts | grep -s " $(base_path ${todir}) " | awk '{print $1}' )
 811                         freespace=$(df -k  | grep -s ${todev} | awk '{print $4}')
 812                 else
 813                         freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( cat /proc/meminfo | grep Cached | head -n 1 | awk '/Cached/{print $2}' - ))
 814                 fi
 815
 816                 tomount="/mnt/tmpsnap"
 817
 818                 if [ ! -d "${tomount}" ]
 819                 then
 820                         mkdir -p "${tomount}"
 821                 fi
 822
 823                 fstype=$(get_fstype "${fromdev}")
 824
 825                 if [ -n "${fstype}" ]
 826                 then
 827                         # Copying stuff...
 828                         mount -t "${fstype}" -o ro,noatime "${fromdev}" "${tomount}"
 829                         cp -a "${tomount}"/* ${todir}
 830                         umount "${tomount}"
 831                 else
 832                         log_warning_msg "Unrecognized fstype: ${fstype} on ${fromdev}:${snap_type}"
 833                 fi
 834
 835                 rmdir "${tomount}"
 836
 837                 if echo ${fromdev} | grep -qs loop
 838                 then
 839                         losetup -d "${fromdev}"
 840                 fi
 841
 842                 return 0
 843         else
 844                 return 1
 845
 846                 [ "${quiet}" != "y" ] && log_warning_msg "Unable to find the snapshot ${snap_type} medium"
 847         fi
 848 }
 849
 850 try_snap ()
 851 {
 852         # Look for ${snap_label}.* in block devices and copy the contents to ${snap_mount}
 853         # and remember the device and filename for resync on exit in live-initramfs.init
 854
 855         snap_label="${1}"
 856         snap_mount="${2}"
 857         snap_type="${3}"
 858         snapdata=$(find_files "${snap_label}.squashfs ${snap_label}.cpio.gz ${snap_label}.ext2 ${snap_label}.ext3 ${snap_label}.jffs2")
 859
 860         if [ ! -z "${snapdata}" ]
 861         then
 862                 snapdev="$(echo ${snapdata} | cut -f1 -d ' ')"
 863                 snapback="$(echo ${snapdata} | cut -f2 -d ' ')"
 864                 snapfile="$(echo ${snapdata} | cut -f3 -d ' ')"
 865
 866                 if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\|ext3\|jffs2\)'
 867                 then
 868                         # squashfs, jffs2 or ext2/ext3 snapshot
 869                         dev=$(get_backing_device "${snapback}/${snapfile}")
 870
 871                         if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
 872                         then
 873                                 log_warning_msg "Impossible to include the ${snapfile} Snapshot"
 874                                 return 1
 875                         fi
 876                 else
 877                         # cpio.gz snapshot
 878                         if ! (cd "${snap_mount}" && zcat "${snapback}/${snapfile}" | cpio --extract --preserve-modification-time --no-absolute-filenames --sparse --unconditional --make-directories > /dev/null 2>&1)
 879                         then
 880                                 log_warning_msg "Impossible to include the ${snapfile} Snapshot"
 881                                 return 1
 882                         fi
 883                 fi
 884
 885                 umount "${snapback}"
 886         else
 887                 dev=$(find_cow_device "${snap_label}")
 888
 889                 if [ -b ${dev} ]
 890                 then
 891                         if echo "${dev}" | grep -qs loop
 892                         then
 893                                 # strange things happens, user confused?
 894                                 snaploop=$( losetup ${dev} | awk '{print $3}' | tr -d '()' )
 895                                 snapfile=$(basename ${snaploop})
 896                                 snapdev=$(cat /proc/mounts | awk '{print $2,$1}' | grep -es "^$( dirname ${snaploop} )" | cut -f2 -d ' ')
 897                         else
 898                                 snapdev="${dev}"
 899                         fi
 900
 901                         if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
 902                         then
 903                                 log_warning_msg "Impossible to include the ${snap_label} Snapshot"
 904                                 return 1
 905                         else
 906                                 if [ -n "${snapfile}" ]
 907                                 then
 908                                         # it was a loop device, user confused
 909                                         umount ${snapdev}
 910                                 fi
 911                         fi
 912                 else
 913                         log_warning_msg "Impossible to include the ${snap_label} Snapshot"
 914                         return 1
 915                 fi
 916         fi
 917
 918         echo "export ${snap_type}SNAP="${snap_mount}":${snapdev}:${snapfile}" >> /etc/live.conf # for resync on reboot/halt
 919         return 0
 920 }
 921
 922 setup_unionfs ()
 923 {
 924         image_directory="${1}"
 925         rootmnt="${2}"
 926         addimage_directory="${3}"
 927         modprobe -q -b ${UNIONTYPE}
 928
 929         # run-init can't deal with images in a subdir, but we're going to
 930         # move all of these away before it runs anyway.  No, we're not,
 931         # put them in / since move-mounting them into / breaks mono and
 932         # some other apps.
 933
 934         croot="/"
 935
 936         # Let's just mount the read-only file systems first
 937         rofsstring=""
 938         rofslist=""
 939         minor_kernel_version=$(uname -r|cut -c 5-|sed 's/[^0-9].*//')
 940
 941         if [ "${NETBOOT}" = "nfs" ] && [ "${minor_kernel_version}" -lt 22 ]
 942         then
 943                 # go aroung a bug in nfs-unionfs locking for unionfs <= 1.4
 944                 roopt="nfsro"
 945         elif [ "${UNIONTYPE}" = "aufs" ]
 946         then
 947                 roopt="rr"
 948         else
 949                 roopt="ro"
 950         fi
 951
 952         # Read image names from ${MODULE}.module if it exists
 953         if [ -e "${image_directory}/filesystem.${MODULE}.module" ]
 954         then
 955                 for IMAGE in $(cat ${image_directory}/filesystem.${MODULE}.module)
 956                 do
 957                         image_string="${image_string} ${image_directory}/${IMAGE}"
 958                 done
 959         elif [ -e "${image_directory}/${MODULE}.module" ]
 960         then
 961                 for IMAGE in $(cat ${image_directory}/${MODULE}.module)
 962                 do
 963                         image_string="${image_string} ${image_directory}/${IMAGE}"
 964                 done
 965         else
 966                 # ${MODULE}.module does not exist, create a list of images
 967                 for FILESYSTEM in squashfs ext2 ext3 xfs jffs2 dir
 968                 do
 969                         for IMAGE in "${image_directory}"/*."${FILESYSTEM}"
 970                         do
 971                                 if [ -e "${IMAGE}" ]
 972                                 then
 973                                         image_string="${image_string} ${IMAGE}"
 974                                 fi
 975                         done
 976                 done
 977
 978                 if [ -n "${addimage_directory}" ] && [ -d "${addimage_directory}" ]
 979                 then
 980                         for FILESYSTEM in squashfs ext2 ext3 xfs jffs2 dir
 981                         do
 982                                 for IMAGE in "${addimage_directory}"/*."${FILESYSTEM}"
 983                                 do
 984                                         if [ -e "${IMAGE}" ]
 985                                         then
 986                                                 image_string="${image_string} ${IMAGE}"
 987                                         fi
 988                                 done
 989                         done
 990                 fi
 991
 992                 # Now sort the list
 993                 image_string="$(echo ${image_string} | sed -e 's/ /\n/g' | sort )"
 994         fi
 995
 996         [ -n "${MODULETORAMFILE}" ] && image_string="${image_directory}/$(basename ${MODULETORAMFILE})"
 997
 998         mkdir -p "${croot}"
 999
1000         for image in ${image_string}
1001         do
1002                 imagename=$(basename "${image}")
1003
1004                 if [ -d "${image}" ]
1005                 then
1006                         # it is a plain directory: do nothing
1007                         rofsstring="${image}=${roopt}:${rofsstring}"
1008                         rofslist="${image} ${rofslist}"
1009                 elif [ -f "${image}" ]
1010                 then
1011                         if /sbin/losetup --help 2>&1 | grep -q -- "-r\b"
1012                         then
1013                                 backdev=$(get_backing_device "${image}" "-r")
1014                         else
1015                                 backdev=$(get_backing_device "${image}")
1016                         fi
1017                         fstype=$(get_fstype "${backdev}")
1018
1019                         if [ "${fstype}" = "unknown" ]
1020                         then
1021                                 panic "Unknown file system type on ${backdev} (${image})"
1022                         fi
1023
1024                         mkdir -p "${croot}/${imagename}"
1025                         echo "debug: Mounting backdev \"${backdev}\" (image = ${image}) on croot/imagename \"${croot}/${imagename}\""
1026                         mount -t "${fstype}" -o ro,noatime "${backdev}" "${croot}/${imagename}" || panic "Can not mount ${backdev} (${image}) on ${croot}/${imagename}" && rofsstring="${croot}/${imagename}=${roopt}:${rofsstring}" && rofslist="${croot}/${imagename} ${rofslist}"
1027                 fi
1028         done
1029
1030         rofsstring=${rofsstring%:}
1031
1032         mkdir -p /cow
1033
1034         # Looking for "${root_persistence}" device or file
1035         if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
1036         then
1037                 # Load USB modules
1038                 num_block=$(ls -l /sys/block | wc -l)
1039                 for module in sd_mod uhci-hcd ehci-hcd ohci-hcd usb-storage
1040                 do
1041                         modprobe -q -b ${module}
1042                 done
1043
1044                 udevtrigger
1045                 udevsettle
1046
1047                 # For some reason, udevsettle does not block in this scenario,
1048                 # so we sleep for a little while.
1049                 #
1050                 # See https://bugs.launchpad.net/ubuntu/+source/casper/+bug/84591
1051                 for timeout in 5 4 3 2 1
1052                 do
1053                         sleep 1
1054
1055                         if [ $(ls -l /sys/block | wc -l) -gt ${num_block} ]
1056                         then
1057                                 break
1058                         fi
1059                 done
1060
1061                 cowprobe=$(find_cow_device "${root_persistence}")
1062
1063                 if [ -b "${cowprobe}" ]
1064                 then
1065                         cowdevice=${cowprobe}
1066                         cow_fstype=$(get_fstype "${cowprobe}")
1067                 else
1068                         [ "${quiet}" != "y" ] && log_warning_msg "Unable to find the persistent medium"
1069                         cowdevice="tmpfs"
1070                         cow_fstype="tmpfs"
1071                 fi
1072         elif [ -n "${NFS_COW}" ] && [ -z "${NOPERSISTENT}" ]
1073         then
1074                 # check if there are any nfs options
1075                 if echo ${NFS_COW}|grep -q ','
1076                 then
1077                         nfs_cow_opts="-o nolock,$(echo ${NFS_COW}|cut -d, -f2-)"
1078                         nfs_cow=$(echo ${NFS_COW}|cut -d, -f1)
1079                 else
1080                         nfs_cow_opts="-o nolock"
1081                         nfs_cow=${NFS_COW}
1082                 fi
1083                 mac="$(get_mac)"
1084                 if [ -n "${mac}" ]
1085                 then
1086                         cowdevice=$(echo ${nfs_cow}|sed "s/client_mac_address/${mac}/")
1087                         cow_fstype="nfs"
1088                 else
1089                         panic "unable to determine mac address"
1090                 fi
1091         else
1092                 cowdevice="tmpfs"
1093                 cow_fstype="tmpfs"
1094         fi
1095
1096         if [ "${cow_fstype}" = "nfs" ]
1097         then
1098                 [ "${quiet}" != "y" ] && log_begin_msg \
1099                         "Trying nfsmount ${nfs_cow_opts} ${cowdevice} /cow"
1100                 nfsmount ${nfs_cow_opts} ${cowdevice} /cow || \
1101                         panic "Can not mount ${cowdevice} (n: ${cow_fstype}) on /cow"
1102         else
1103                 mount -t ${cow_fstype} -o rw,noatime ${cowdevice} /cow || \
1104                         panic "Can not mount ${cowdevice} (o: ${cow_fstype}) on /cow"
1105         fi
1106
1107         rofscount=$(echo ${rofslist} |wc -w)
1108
1109         if [ -n "${EXPOSED_ROOT}" ]
1110         then
1111                 if [ ${rofscount} -ne 1 ]
1112                 then
1113                         panic "only one RO file system supported with exposedroot: ${rofslist}"
1114                 fi
1115                 exposedrootfs=${rofslist%% }
1116
1117                 mount --bind ${exposedrootfs} ${rootmnt} || \
1118                         panic "bind mount of ${exposedrootfs} failed"
1119
1120                 cow_dirs='/var/tmp /var/lock /var/run /var/log /var/spool
1121                         /home /var/lib/live'
1122
1123                 for dir in ${cow_dirs}; do
1124                         mkdir -p /cow${dir}
1125                         mount -t ${UNIONTYPE} \
1126                                 -o rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro \
1127                                 ${UNIONTYPE} "${rootmnt}${dir}" || \
1128                                 panic "mount ${UNIONTYPE} on ${rootmnt}${dir} failed with option \
1129                                         rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro"
1130                 done
1131         else
1132                 mount -t ${UNIONTYPE} -o noatime,dirs=/cow=rw:${rofsstring} \
1133                         ${UNIONTYPE} "${rootmnt}" || panic "mount ${UNIONTYPE} on \
1134                         ${rootmnt} failed with option noatime,dirs=/cow=rw:${rofsstring}"
1135         fi
1136
1137         # tmpfs file systems
1138         mkdir -p "${rootmnt}/live"
1139         mount -t tmpfs tmpfs ${rootmnt}/live
1140
1141         # Adding other custom mounts
1142         if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
1143         then
1144                 # directly mount /home
1145                 # FIXME: add a custom mounts configurable system
1146                 homecow=$(find_cow_device "${home_persistence}" )
1147
1148                 if [ -b "${homecow}" ]
1149                 then
1150                         mount -t $(get_fstype "${homecow}") -o rw,noatime "${homecow}" "${rootmnt}/home"
1151                         export HOMEMOUNTED=1 # used to proper calculate free space in do_snap_copy()
1152                 else
1153                         [ "${quiet}" != "y" ] && log_warning_msg "Unable to find the persistent home medium"
1154                 fi
1155
1156                 # Look for other snapshots to copy in
1157                 try_snap "${root_snapshot_label}" "${rootmnt}" "ROOT"
1158                 try_snap "${home_snapshot_label}" "${rootmnt}/home" "HOME"
1159         fi
1160
1161         if [ -n "${SHOWMOUNTS}" ]
1162         then
1163                 for d in ${rofslist}
1164                 do
1165                         mkdir -p "${rootmnt}/live/${d##*/}"
1166
1167                         case d in
1168                                 *.dir)
1169                                         # do nothing # mount -o bind "${d}" "${rootmnt}/live/${d##*/}"
1170                                         ;;
1171
1172                                 *)
1173                                         mount -o move "${d}" "${rootmnt}/live/${d##*/}"
1174                                         ;;
1175                         esac
1176                 done
1177         fi
1178
1179         # shows cow fs on /cow for use by live-snapshot
1180         mkdir -p "${rootmnt}/live/cow"
1181         mount -o move /cow "${rootmnt}/live/cow" || mount -o bind /cow "${rootmnt}/live/cow" || [ "${quiet}" != "y" ] && log_warning_msg "Unable to move or bind /cow to ${rootmnt}/live/cow"
1182 }
1183
1184 check_dev ()
1185 {
1186         sysdev="${1}"
1187         devname="${2}"
1188         skip_uuid_check="${3}"
1189
1190         if [ -z "${devname}" ]
1191         then
1192                 devname=$(sys2dev "${sysdev}")
1193         fi
1194
1195         if [ -n "${LIVE_MEDIA_OFFSET}" ]
1196         then
1197                 loopdevname=$(setup_loop "${devname}" "loop" "/sys/block/loop*" "${LIVE_MEDIA_OFFSET}" '')
1198                 devname="${loopdevname}"
1199         fi
1200
1201         if [ -d "${devname}" ]
1202         then
1203                 mount -o bind "${devname}" $mountpoint || continue
1204
1205                 if is_live_path $mountpoint
1206                 then
1207                         echo $mountpoint
1208                         return 0
1209                 else
1210                         umount $mountpoint
1211                 fi
1212         fi
1213
1214         fstype=$(get_fstype "${devname}")
1215
1216         if is_supported_fs ${fstype}
1217         then
1218                 mount -t ${fstype} -o ro,noatime "${devname}" ${mountpoint} || continue
1219
1220                 if is_live_path ${mountpoint} && \
1221                         ([ "${skip_uuid_check}" ] || matches_uuid ${mountpoint})
1222                 then
1223                         echo ${mountpoint}
1224                         return 0
1225                 else
1226                         umount ${mountpoint}
1227                 fi
1228         fi
1229
1230         if [ -n "${LIVE_MEDIA_OFFSET}" ]
1231         then
1232                 losetup -d "${loopdevname}"
1233         fi
1234
1235         return 1
1236 }
1237
1238 find_livefs ()
1239 {
1240         timeout="${1}"
1241
1242         # first look at the one specified in the command line
1243         if [ ! -z "${LIVE_MEDIA}" ]
1244         then
1245                 if check_dev "null" "${LIVE_MEDIA}" "skip_uuid_check"
1246                 then
1247                         return 0
1248                 fi
1249         fi
1250
1251         # don't start autodetection before timeout has expired
1252         if [ -n "${LIVE_MEDIA_TIMEOUT}" ]
1253         then
1254                 if [ "${timeout}" -lt "${LIVE_MEDIA_TIMEOUT}" ]
1255                 then
1256                         return 1
1257                 fi
1258         fi
1259
1260         # or do the scan of block devices
1261         for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -v loop | grep -v ram | grep -v 'dm-' | grep -v fd )
1262         do
1263                 devname=$(sys2dev "${sysblock}")
1264                 fstype=$(get_fstype "${devname}")
1265
1266                 if /lib/udev/cdrom_id ${devname} > /dev/null
1267                 then
1268                         if check_dev "null" "${devname}"
1269                         then
1270                                 return 0
1271                         fi
1272                 elif is_nice_device "${sysblock}"
1273                 then
1274                         for dev in $(subdevices "${sysblock}")
1275                         do
1276                                 if check_dev "${dev}"
1277                                 then
1278                                         return 0
1279                                 fi
1280                         done
1281                 elif [ "${fstype}" = "squashfs" -o \
1282                         "${fstype}" = "ext2" -o \
1283                         "${fstype}" = "ext3" -o \
1284                         "${fstype}" = "jffs2" ]
1285                 then
1286                         # This is an ugly hack situation, the block device has
1287                         # an image directly on it.  It's hopefully
1288                         # live-initramfs, so take it and run with it.
1289                         ln -s "${devname}" "${devname}.${fstype}"
1290                         echo "${devname}.${fstype}"
1291                         return 0
1292                 fi
1293         done
1294
1295         return 1
1296 }
1297
1298 set_usplash_timeout ()
1299 {
1300         if [ -x /sbin/usplash_write ]
1301         then
1302                 /sbin/usplash_write "TIMEOUT 120"
1303         fi
1304 }
1305
1306 mountroot ()
1307 {
1308
1309         if [ -x /scripts/local-top/cryptroot ]; then
1310             /scripts/local-top/cryptroot
1311         fi
1312
1313         exec 6>&1
1314         exec 7>&2
1315         exec > live.log
1316         exec 2>&1
1317         tail -f live.log >&7 &
1318         tailpid="${!}"
1319
1320         Arguments
1321
1322         set_usplash_timeout
1323         [ "${quiet}" != "y" ] && log_begin_msg "Running /scripts/live-premount"
1324         run_scripts /scripts/live-premount
1325         [ "${quiet}" != "y" ] && log_end_msg
1326
1327         # Needed here too because some things (*cough* udev *cough*)
1328         # changes the timeout
1329
1330         set_usplash_timeout
1331
1332         if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ] || [ ! -z "${HTTPFS}" ] || [ ! -z "${FTPFS}" ]
1333         then
1334                 if do_netmount
1335                 then
1336                         livefs_root="${mountpoint}"
1337                 else
1338                         panic "Unable to find a live file system on the network"
1339                 fi
1340         else
1341                 if [ -n "${PLAIN_ROOT}" ] && [ -n "${ROOT}" ]
1342                 then
1343                         # Do a local boot from hd
1344                         livefs_root=${ROOT}
1345                 else
1346                         # Scan local devices for the image
1347                         for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
1348                         do
1349                                 livefs_root=$(find_livefs ${i})
1350
1351                                 if [ -n "${livefs_root}" ]
1352                                 then
1353                                         break
1354                                 fi
1355
1356                                 sleep 1
1357                         done
1358                 fi
1359         fi
1360
1361         if [ -z "${livefs_root}" ]
1362         then
1363                 panic "Unable to find a medium containing a live file system"
1364         fi
1365
1366         if [ "${TORAM}" ]
1367         then
1368                 live_dest="ram"
1369         elif [ "${TODISK}" ]
1370         then
1371                 live_dest="${TODISK}"
1372         fi
1373
1374         if [ "${live_dest}" ]
1375         then
1376                 log_begin_msg "Copying live media to ${live_dest}"
1377                 copy_live_to "${livefs_root}" "${live_dest}"
1378                 log_end_msg
1379         fi
1380
1381         if [ -n "${MODULETORAMFILE}" ]
1382         then
1383                 setup_unionfs "${livefs_root}" "${rootmnt}"
1384         else
1385                 mac="$(get_mac)"
1386                 mac="$(echo ${mac} | sed 's/-//g')"
1387                 mount_images_in_directory "${livefs_root}" "${rootmnt}" "${mac}"
1388         fi
1389
1390         log_end_msg
1391
1392         maybe_break live-bottom
1393         [ "${quiet}" != "y" ] && log_begin_msg "Running /scripts/live-bottom"
1394
1395         run_scripts /scripts/live-bottom
1396         [ "${quiet}" != "y" ] && log_end_msg
1397
1398         exec 1>&6 6>&-
1399         exec 2>&7 7>&-
1400         kill ${tailpid}
1401         cp live.log "${rootmnt}/var/log/"
1402 }