defaults/linuxrc

   1 #!/bin/sh
   2
   3 . /etc/initrd.defaults
   4 . /etc/initrd.scripts
   5
   6 splash() {
   7         return 0
   8 }
   9
  10 [ -e /etc/initrd.splash ] && . /etc/initrd.splash
  11
  12 # Clean input/output
  13 exec >${CONSOLE} <${CONSOLE} 2>&1
  14
  15 if [ "$$" != '1' ]
  16 then
  17         echo '/linuxrc has to be run as the init process as the one'
  18         echo 'with a PID of 1. Try adding init="/linuxrc" to the'
  19         echo 'kernel command line or running "exec /linuxrc".'
  20         exit 1
  21 fi
  22
  23 mount -t proc -o noexec,nosuid,nodev proc /proc >/dev/null 2>&1
  24 mount -o remount,rw / >/dev/null 2>&1
  25
  26 # Set up symlinks
  27 /bin/busybox --install -s
  28
  29 if [ "$0" = '/init' ]
  30 then
  31         [ -e /linuxrc ] && rm /linuxrc
  32 fi
  33
  34 quiet_kmsg
  35
  36 CMDLINE=$(cat /proc/cmdline)
  37 # Scan CMDLINE for any specified real_root= or cdroot arguments
  38 FAKE_ROOT=''
  39 REAL_ROOTFLAGS=''
  40 ROOTFSTYPE='auto'
  41 CRYPT_SILENT=0
  42 for x in ${CMDLINE}
  43 do
  44         case "${x}" in
  45                 real_root=*)
  46                         REAL_ROOT=${x#*=}
  47                 ;;
  48                 root=*)
  49                         FAKE_ROOT=${x#*=}
  50                 ;;
  51                 subdir=*)
  52                         SUBDIR=${x#*=}
  53                 ;;
  54                 real_init=*)
  55                         REAL_INIT=${x#*=}
  56                 ;;
  57                 init_opts=*)
  58                         INIT_OPTS=${x#*=}
  59                 ;;
  60                 # Livecd options
  61                 cdroot)
  62                         CDROOT=1
  63                 ;;
  64                 cdroot=*)
  65                         CDROOT=1
  66                         CDROOT_DEV=${x#*=}
  67                 ;;
  68                 cdroot_type=*)
  69                         CDROOT_TYPE=${x#*=}
  70                 ;;
  71                 # Start livecd loop, looptype options
  72                 loop=*)
  73                         LOOP=${x#*=}
  74                 ;;
  75                 looptype=*)
  76                         LOOPTYPE=${x#*=}
  77                 ;;
  78                 isoboot=*)
  79                         ISOBOOT=${x#*=}
  80                 ;;
  81                 # Start Volume manager options
  82                 dolvm)
  83                         USE_LVM_NORMAL=1
  84                 ;;
  85                 dolvm2)
  86                         bad_msg 'Using dolvm2 is deprecated, use dolvm, instead.'
  87                         USE_LVM_NORMAL=1
  88                 ;;
  89                 domdadm)
  90                         USE_MDADM=1
  91                 ;;
  92                 dodmraid)
  93                         USE_DMRAID_NORMAL=1
  94                 ;;
  95                 dodmraid=*)
  96                         DMRAID_OPTS=${x#*=}
  97                         USE_DMRAID_NORMAL=1
  98                 ;;
  99                 # Debug Options
 100                 debug)
 101                         DEBUG='yes'
 102                 ;;
 103                 # Scan delay options
 104                 scandelay=*)
 105                         SDELAY=${x#*=}
 106                 ;;
 107                 scandelay)
 108                         SDELAY=3
 109                 ;;
 110                 # Module no-loads
 111                 doload=*)
 112                         MDOLIST=${x#*=}
 113                         MDOLIST=$(echo ${MDOLIST} | sed -e 's/,/ /g'`)
 114                 ;;
 115                 nodetect)
 116                         NODETECT=1
 117                 ;;
 118                 noload=*)
 119                         MLIST=${x#*=}
 120                         MLIST="$(echo ${MLIST} | sed -e 's/,/ /g')"
 121                         export MLIST
 122                 ;;
 123                 # Redirect output to a specific tty
 124                 CONSOLE=*|console=*)
 125                         CONSOLE=${x#*=}
 126                         CONSOLE=$(basename ${CONSOLE})
 127 #                       exec >${CONSOLE} <${CONSOLE} 2>&1
 128                 ;;
 129                 # /dev/md
 130                 lvmraid=*)
 131                         RAID_DEVICES="${x#*=}"
 132                         RAID_DEVICES="$(echo ${RAID_DEVICES} | sed -e 's/,/ /g')"
 133                         USE_LVM_NORMAL=1
 134                 ;;
 135                 part=*)
 136                         MDPART=${x#*=}
 137                 ;;
 138                 # NFS
 139                 ip=*)
 140                         IP=${x#*=}
 141                 ;;
 142                 nfsroot=*)
 143                         NFSROOT=${x#*=}
 144                 ;;
 145                 # iSCSI
 146                 iscsi_initiatorname=*)
 147                         ISCSI_INITIATORNAME=${x#*=}
 148                 ;;
 149                 iscsi_target=*)
 150                         ISCSI_TARGET=${x#*=}
 151                 ;;
 152                 iscsi_tgpt=*)
 153                         ISCSI_TGPT=${x#*=}
 154                 ;;
 155                 iscsi_address=*)
 156                         ISCSI_ADDRESS=${x#*=}
 157                 ;;
 158                 iscsi_port=*)
 159                         ISCSI_PORT=${x#*=}
 160                 ;;
 161                 iscsi_username=*)
 162                         ISCSI_USERNAME=${x#*=}
 163                 ;;
 164                 iscsi_password=*)
 165                         ISCSI_PASSWORD=${x#*=}
 166                 ;;
 167                 iscsi_username_in=*)
 168                         ISCSI_USERNAME_IN=${x#*=}
 169                 ;;
 170                 iscsi_password_in=*)
 171                         ISCSI_PASSWORD_IN=${x#*=}
 172                 ;;
 173                 iscsi_debug=*)
 174                         ISCSI_DEBUG=${x#*=}
 175                 ;;
 176                 iscsi_noibft)
 177                         ISCSI_NOIBFT=1
 178                 ;;
 179                 # Crypto
 180                 crypt_root=*)
 181                         CRYPT_ROOT=${x#*=}
 182                 ;;
 183                 crypt_swap=*)
 184                         CRYPT_SWAP=${x#*=}
 185                 ;;
 186                 root_key=*)
 187                         CRYPT_ROOT_KEY=${x#*=}
 188                 ;;
 189                 root_keydev=*)
 190                         CRYPT_ROOT_KEYDEV=${x#*=}
 191                 ;;
 192                 swap_key=*)
 193                         CRYPT_SWAP_KEY=${x#*=}
 194                 ;;
 195                 swap_keydev=*)
 196                         CRYPT_SWAP_KEYDEV=${x#*=}
 197                 ;;
 198                 real_resume=*|resume=*)
 199                         REAL_RESUME=${x#*=}
 200                 ;;
 201                 noresume)
 202                         NORESUME=1
 203                 ;;
 204                 crypt_silent)
 205                         CRYPT_SILENT=1
 206                 ;;
 207                 real_rootflags=*)
 208                         REAL_ROOTFLAGS=${x#*=}
 209                 ;;
 210                 rootfstype=*)
 211                         ROOTFSTYPE=${x#*=}
 212                 ;;
 213                 keymap=*)
 214                         keymap=${x#*=}
 215                 ;;
 216                 aufs)
 217                         USE_AUFS_NORMAL=1
 218                 ;;
 219                 unionfs)
 220                         if [ ! -x /sbin/unionfs ]
 221                         then
 222                                 USE_UNIONFS_NORMAL=0
 223                                 bad_msg 'unionfs binary not found: aborting use of unionfs!'
 224                         else
 225                                 USE_UNIONFS_NORMAL=1
 226                         fi
 227                         ;;
 228                 nounionfs)
 229                         USE_UNIONFS_NORMAL=0
 230                         ;;
 231 #                 unionfs=*)
 232 #                         if [ ! -x /sbin/unionfs ]
 233 #                         then
 234 #                                 USE_UNIONFS_NORMAL=0
 235 #                                 bad_msg 'unionfs binary not found: aborting use of unionfs!'
 236 #                         else
 237 #                                 USE_UNIONFS_NORMAL=1
 238 #                                 CMD_UNIONFS=${x#*=}
 239 #                                 echo ${CMD_UNIONFS}|grep , >/dev/null 2>&1
 240 #                                 if [ $? -eq 0 ]
 241 #                                 then
 242 #                                         UID=$(echo ${CMD_UNIONFS#*,})
 243 #                                         UNIONFS=$(echo ${CMD_UNIONFS%,*})
 244 #                                 else
 245 #                                         UNIONFS=${CMD_UNIONFS}
 246 #                                 fi
 247 #                         fi
 248 #                 ;;
 249         esac
 250 done
 251
 252 if [ -z "${REAL_ROOT}" -a \( "${CDROOT}" = '0' \)  -a \( "${FAKE_ROOT}" != "/dev/ram0" \) ]
 253 then
 254         REAL_ROOT="${FAKE_ROOT}"
 255 fi
 256
 257 splash 'init'
 258
 259 cmdline_hwopts
 260
 261 # Mount sysfs
 262 mount_sysfs
 263
 264 # Setup hotplugging for firmware loading
 265 setup_hotplug
 266
 267 # Load modules listed in MY_HWOPTS if /lib/modules exists for the running kernel
 268 if [ -z "${DO_modules}" ]
 269 then
 270         good_msg 'Skipping module load; disabled via commandline'
 271 elif [ -d "/lib/modules/${KV}" ]
 272 then
 273         good_msg 'Loading modules'
 274         # Load appropriate kernel modules
 275         if [ "${NODETECT}" != '1' ]
 276         then
 277                 for modules in ${MY_HWOPTS}
 278                 do
 279                         modules_scan ${modules}
 280                 done
 281         fi
 282         # Always eval doload=...
 283         modules_load ${MDOLIST}
 284 else
 285         good_msg 'Skipping module load; no modules in the ramdisk!'
 286 fi
 287
 288 # Apply scan delay if specified
 289 sdelay
 290
 291 # Setup slow USB bits
 292 setup_slowusb
 293
 294 # Start device manager
 295 start_dev_mgr
 296
 297 # if doslowusb is passed, pause other 10 seconds here, after mdev load
 298 [ "${DO_slowusb}" ] && sleep 10
 299
 300 # Start iSCSI
 301 if [ -e /bin/iscsistart ]
 302 then
 303         startiscsi
 304 fi
 305
 306 # Setup btrfs, see bug 303529
 307 setup_btrfsctl
 308
 309 # Setup md device nodes if they dont exist
 310 setup_md_device
 311
 312 # Scan volumes
 313 startVolumes
 314
 315 setup_keymap
 316
 317 # Initialize LUKS root device except for livecd's
 318 if [ "${CDROOT}" != 1 ]
 319 then
 320         startLUKS
 321         if [ "${NORESUME}" != '1' ] && [ -n "${REAL_RESUME}" ]
 322         then
 323                 case "${REAL_RESUME}" in
 324                         LABEL=*|UUID=*)
 325
 326                                 RESUME_DEV=""
 327                                 retval=1
 328
 329                                 if [ ${retval} -ne 0 ]; then
 330                                         RESUME_DEV=$(findfs "${REAL_RESUME}" 2>/dev/null)
 331                                         retval=$?
 332                                 fi
 333
 334                                 if [ ${retval} -ne 0 ]; then
 335                                         RESUME_DEV=$(busybox findfs "${REAL_RESUME}" 2>/dev/null)
 336                                         retval=$?
 337                                 fi
 338
 339                                 if [ ${retval} -ne 0 ]; then
 340                                         RESUME_DEV=$(blkid -l -t "${REAL_RESUME}" | cut -d ":" -f 1 2>/dev/null)
 341                                         retval=$?
 342                                 fi
 343
 344                                 if [ ${retval} -eq 0 ] && [ -n "${RESUME_DEV}" ]; then
 345                                         good_msg "Detected real_resume=${RESUME_DEV}"
 346                                         REAL_RESUME="${RESUME_DEV}"
 347                                 fi
 348                                 ;;
 349                 esac
 350
 351                 do_resume
 352         fi
 353 fi
 354
 355 mkdir -p "${NEW_ROOT}"
 356 CHROOT="${NEW_ROOT}"
 357
 358 # Run debug shell if requested
 359 rundebugshell
 360
 361 if [ "${CDROOT}" = '1' ]
 362 then
 363         good_msg "Making tmpfs for ${NEW_ROOT}"
 364         mount -n -t tmpfs tmpfs "${NEW_ROOT}"
 365
 366         for i in dev mnt mnt/cdrom mnt/livecd mnt/key tmp tmp/.initrd mnt/gentoo sys
 367         do
 368                 mkdir -p "${NEW_ROOT}/${i}"
 369                 chmod 755 "${NEW_ROOT}/${i}"
 370         done
 371         [ ! -e "${NEW_ROOT}/dev/null" ] && mknod "${NEW_ROOT}"/dev/null c 1 3
 372         [ ! -e "${NEW_ROOT}/dev/console" ] && mknod "${NEW_ROOT}"/dev/console c 5 1
 373
 374         # For SGI LiveCDs ...
 375         if [ "${LOOPTYPE}" = "sgimips" ]
 376         then
 377                 [ ! -e "${NEW_ROOT}/dev/sr0" ] && mknod "${NEW_ROOT}/dev/sr0" b 11 0
 378                 [ ! -e "${NEW_ROOT}/dev/loop0" ] && mknod "${NEW_ROOT}/dev/loop0" b 7 0
 379         fi
 380
 381         # Required for splash to work.  Not an issue with the initrd as this
 382         # device isn't created there and is not needed.
 383         if [ -e /dev/tty1 ]
 384         then
 385                 [ ! -e "${NEW_ROOT}/dev/tty1" ] && mknod "${NEW_ROOT}/dev/tty1" c 4 1
 386         fi
 387
 388         if [ "${REAL_ROOT}" != "/dev/nfs" ] && [ "${LOOPTYPE}" != "sgimips" ]
 389         then
 390                 bootstrapCD
 391         fi
 392
 393         if [ "${REAL_ROOT}" = '' ]
 394         then
 395                 echo -n -e "${WARN}>>${NORMAL}${BOLD} No bootable medium found. Waiting for new devices"
 396
 397                 COUNTER=0
 398                 while [ ${COUNTER} -lt 3 ]; do
 399                         sleep 3
 400                         echo -n '.'
 401                         let COUNTER=${COUNTER}+1
 402                 done
 403
 404                 sleep 1
 405                 echo -e "${NORMAL}"
 406                 bootstrapCD
 407         fi
 408
 409         if [ "${REAL_ROOT}" = '' ]
 410         then
 411                 # Undo stuff
 412                 umount  "${NEW_ROOT}/dev" 2>/dev/null
 413                 umount  "${NEW_ROOT}/sys" 2>/dev/null
 414                 umount /sys 2>/dev/null
 415
 416                 umount  "${NEW_ROOT}"
 417                 rm -rf  "${NEW_ROOT}/*"
 418
 419                 bad_msg 'Could not find CD to boot, something else needed!'
 420                 CDROOT=0
 421         fi
 422 fi
 423
 424 # Determine root device
 425 good_msg 'Determining root device...'
 426 while true
 427 do
 428         while [ "${got_good_root}" != '1' ]
 429         do
 430                 case "${REAL_ROOT}" in
 431                         LABEL\=*|UUID\=*)
 432
 433                                 ROOT_DEV=""
 434                                 retval=1
 435
 436                                 if [ ${retval} -ne 0 ]; then
 437                                         ROOT_DEV=$(findfs "${REAL_ROOT}" 2>/dev/null)
 438                                         retval=$?
 439                                 fi
 440
 441                                 if [ ${retval} -ne 0 ]; then
 442                                         ROOT_DEV=$(busybox findfs "${REAL_ROOT}" 2>/dev/null)
 443                                         retval=$?
 444                                 fi
 445
 446                                 if [ ${retval} -ne 0 ]; then
 447                                         ROOT_DEV=$(blkid -l -t "${REAL_ROOT}" | cut -d ":" -f 1 2>/dev/null)
 448                                         retval=$?
 449                                 fi
 450
 451                                 if [ ${retval} -eq 0 ] && [ -n "${ROOT_DEV}" ]; then
 452                                         good_msg "Detected real_root=${ROOT_DEV}"
 453                                         REAL_ROOT="${ROOT_DEV}"
 454                                 else
 455                                         prompt_user "REAL_ROOT" "root block device"
 456                                         got_good_root=0
 457                                         continue
 458                                 fi
 459                                 ;;
 460                 esac
 461
 462                 if [ "${REAL_ROOT}" = '' ]
 463                 then
 464                         # No REAL_ROOT determined/specified. Prompt user for root block device.
 465                         prompt_user "REAL_ROOT" "root block device"
 466                         got_good_root=0
 467
 468                 # Check for a block device or /dev/nfs
 469                 elif [ -b "${REAL_ROOT}" ] || [ "${REAL_ROOT}" = "/dev/nfs" ]
 470                 then
 471                         got_good_root=1
 472
 473                 else
 474                         bad_msg "Block device ${REAL_ROOT} is not a valid root device..."
 475                         REAL_ROOT=""
 476                         got_good_root=0
 477                 fi
 478         done
 479
 480
 481         if [ "${CDROOT}" = 1 -a "${got_good_root}" = '1' -a "${REAL_ROOT}" != "/dev/nfs" ]
 482         then
 483                 # CD already mounted; no further checks necessary
 484                 break
 485         elif [ "${LOOPTYPE}" = "sgimips" ]
 486         then
 487                 # sgimips mounts the livecd root partition directly
 488                 # there is no isofs filesystem to worry about
 489                 break
 490         else
 491                 good_msg "Mounting root..."
 492
 493                 # Try to mount the device as ${NEW_ROOT}
 494                 if [ "${REAL_ROOT}" = '/dev/nfs' ]; then
 495                         findnfsmount
 496                 else
 497                         # mount ro so fsck doesn't barf later
 498                         if [ "${REAL_ROOTFLAGS}" = '' ]; then
 499                                 good_msg "Using mount -t ${ROOTFSTYPE} -o ro"
 500                                 mount -t ${ROOTFSTYPE} -o ro ${REAL_ROOT} ${NEW_ROOT}
 501                         else
 502                                 good_msg "Using mount -t ${ROOTFSTYPE} -o ro,${REAL_ROOTFLAGS}"
 503                                 mount -t ${ROOTFSTYPE} -o ro,${REAL_ROOTFLAGS} ${REAL_ROOT} ${NEW_ROOT}
 504                         fi
 505                 fi
 506
 507                 # If mount is successful break out of the loop
 508                 # else not a good root and start over.
 509                 if [ "$?" = '0' ]
 510                 then
 511                         if [ -d ${NEW_ROOT}/dev -a -x ${NEW_ROOT}/sbin/init ] || [ "${REAL_ROOT}" = "/dev/nfs" ]
 512                         then
 513                                 break
 514                         else
 515                                 bad_msg "The filesystem mounted at ${REAL_ROOT} does not appear to be a valid /, try again"
 516                                 got_good_root=0
 517                                 REAL_ROOT=''
 518                         fi
 519                 else
 520                         bad_msg "Could not mount specified ROOT, try again"
 521                         got_good_root=0
 522                         REAL_ROOT=''
 523                 fi
 524         fi
 525 done
 526 # End determine root device
 527
 528 #verbose_kmsg
 529
 530 # If CD root is set determine the looptype to boot
 531 if [ "${CDROOT}" = '1' ]
 532 then
 533         good_msg 'Determining looptype ...'
 534         cd "${NEW_ROOT}"
 535
 536         # Find loop and looptype
 537         [ -z "${LOOP}" ] && find_loop
 538         [ -z "${LOOPTYPE}" ] && find_looptype
 539
 540         cache_cd_contents
 541
 542         # If encrypted, find key and mount, otherwise mount as usual
 543         if [ -n "${CRYPT_ROOT}" ]
 544         then
 545                 CRYPT_ROOT_KEY="$(head -n 1 ${NEW_ROOT}/mnt/cdrom/livecd)"
 546                 CRYPT_ROOT='/dev/loop0'
 547                 good_msg 'You booted an encrypted livecd' "${CRYPT_SILENT}"
 548
 549                 losetup /dev/loop0 "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}"
 550                 test_success 'Preparing loop filesystem'
 551
 552                 startLUKS
 553
 554                 case ${LOOPTYPE} in
 555                         normal)
 556                                 MOUNTTYPE="ext2"
 557                                 ;;
 558                         *)
 559                                 MOUNTTYPE="${LOOPTYPE}"
 560                                 ;;
 561                 esac
 562                 mount -t "${MOUNTTYPE}" -o ro /dev/mapper/root "${NEW_ROOT}/mnt/livecd"
 563                 test_success 'Mount filesystem'
 564                 FS_LOCATION='mnt/livecd'
 565         # Setup the loopback mounts, if unencrypted
 566         else
 567                 if [ "${LOOPTYPE}" = 'normal' ]
 568                 then
 569                         good_msg 'Mounting loop filesystem'
 570                         mount -t ext2 -o loop,ro "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}" "${NEW_ROOT}/mnt/livecd"
 571                         test_success 'Mount filesystem'
 572                         FS_LOCATION='mnt/livecd'
 573                 elif [ "${LOOPTYPE}" = 'squashfs' ]
 574                 then
 575                         if [ "${USE_AUFS_NORMAL}" != '1' ]; then
 576                                 good_msg 'Mounting squashfs filesystem'
 577                                 mount -t squashfs -o loop,ro "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}" "${NEW_ROOT}/mnt/livecd"
 578                         else
 579                                 good_msg 'Mounting squashfs & aufs filesystems'
 580                                 setup_squashfs_aufs
 581                                 test_success 'Mount filesystem'
 582                         fi
 583                         FS_LOCATION='mnt/livecd'
 584                 elif [ "${LOOPTYPE}" = 'gcloop' ]
 585                 then
 586                         good_msg 'Mounting gcloop filesystem'
 587                         echo ' ' | losetup -E 19 -e ucl-0 -p0 "${NEW_ROOT}/dev/loop0" "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}"
 588                         test_success 'losetup the loop device'
 589
 590                         mount -t ext2 -o ro "${NEW_ROOT}/dev/loop0" "${NEW_ROOT}/mnt/livecd"
 591                         test_success 'Mount the losetup loop device'
 592                         FS_LOCATION='mnt/livecd'
 593                 elif [ "${LOOPTYPE}" = 'zisofs' ]
 594                 then
 595                         FS_LOCATION="mnt/cdrom/${LOOPEXT}${LOOP}"
 596                 elif [ "${LOOPTYPE}" = 'noloop' ]
 597                 then
 598                         FS_LOCATION='mnt/cdrom'
 599                 elif [ "${LOOPTYPE}" = 'sgimips' ]
 600                 then
 601                         # getdvhoff finds the starting offset (in bytes) of the squashfs
 602                         # partition on the cdrom and returns this offset for losetup
 603                         #
 604                         # All currently supported SGI Systems use SCSI CD-ROMs, so
 605                         # so we know that the CD-ROM is usually going to be /dev/sr0.
 606                         #
 607                         # We use the value given to losetup to set /dev/loop0 to point
 608                         # to the liveCD root partition, and then mount /dev/loop0 as
 609                         # the LiveCD rootfs
 610                         good_msg 'Locating the SGI LiveCD Root Partition'
 611                         echo ' ' | \
 612                                 losetup -o $(getdvhoff "${NEW_ROOT}${REAL_ROOT}" 0) \
 613                                         "${NEW_ROOT}${CDROOT_DEV}" \
 614                                         "${NEW_ROOT}${REAL_ROOT}"
 615                         test_success 'losetup /dev/sr0 /dev/loop0'
 616
 617                         good_msg 'Mounting the Root Partition'
 618                         mount -t squashfs -o ro "${NEW_ROOT}${CDROOT_DEV}" "${NEW_ROOT}/mnt/livecd"
 619                         test_success 'mount /dev/loop0 /'
 620                         FS_LOCATION='mnt/livecd'
 621                 fi
 622         fi
 623
 624
 625
 626         # Unpacking additional packages from NFS mount
 627         # This is useful for adding kernel modules to /lib
 628         # We do this now, so that additional packages can add whereever they want.
 629         if [ "${REAL_ROOT}" = '/dev/nfs' ]
 630         then
 631                 if [ -e "${NEW_ROOT}/mnt/cdrom/add" ]
 632                 then
 633                                 for targz in $(ls ${NEW_ROOT}/mnt/cdrom/add/*.tar.gz)
 634                                 do
 635                                         tarname=$(basename ${targz})
 636                                         good_msg "Adding additional package ${tarname}"
 637                                         (cd ${NEW_ROOT} ; /bin/tar -xzf ${targz})
 638                                 done
 639                 fi
 640         fi
 641
 642
 643         if [ "${USE_UNIONFS_NORMAL}" = '1' ]
 644         then
 645                 setup_unionfs ${NEW_ROOT} ${NEW_ROOT}/${FS_LOCATION}
 646                 CHROOT=/union
 647         elif [ "${USE_AUFS_NORMAL}" != '1' ]; then
 648
 649         good_msg "Copying read-write image contents to tmpfs"
 650         # Copy over stuff that should be writable
 651         (cd "${NEW_ROOT}/${FS_LOCATION}"; cp -a ${ROOT_TREES} "${NEW_ROOT}")
 652
 653         # Now we do the links.
 654         for x in ${ROOT_LINKS}
 655         do
 656                 if [ -L "${NEW_ROOT}/${FS_LOCATION}/${x}" ]
 657                 then
 658                         ln -s "$(readlink ${NEW_ROOT}/${FS_LOCATION}/${x})" "${x}" 2>/dev/null
 659                 else
 660                         # List all subdirectories of x
 661                         find "${NEW_ROOT}/${FS_LOCATION}/${x}" -type d 2>/dev/null | while read directory
 662                         do
 663                                 # Strip the prefix of the FS_LOCATION
 664                                 directory="${directory#${NEW_ROOT}/${FS_LOCATION}/}"
 665
 666                                 # Skip this directory if we already linked a parent directory
 667                                 if [ "${current_parent}" != '' ]; then
 668                                         var=$(echo "${directory}" | grep "^${current_parent}")
 669                                         if [ "${var}" != '' ]; then
 670                                                 continue
 671                                         fi
 672                                 fi
 673                                 # Test if the directory exists already
 674                                 if [ -e "/${NEW_ROOT}/${directory}" ]
 675                                 then
 676                                         # It does exist, link all the individual files
 677                                         for file in $(ls /${NEW_ROOT}/${FS_LOCATION}/${directory})
 678                                         do
 679                                         if [ ! -d "/${NEW_ROOT}/${FS_LOCATION}/${directory}/${file}" ] && [ ! -e "${NEW_ROOT}/${directory}/${file}" ]; then
 680                                                         ln -s "/${FS_LOCATION}/${directory}/${file}" "${directory}/${file}" 2> /dev/null
 681                                                 fi
 682                                         done
 683                                 else
 684                                         # It does not exist, make a link to the livecd
 685                                         ln -s "/${FS_LOCATION}/${directory}" "${directory}" 2>/dev/null
 686                                         current_parent="${directory}"
 687                                 fi
 688                         done
 689                 fi
 690         done
 691
 692         mkdir initramfs proc tmp sys 2>/dev/null
 693         chmod 1777 tmp
 694
 695         fi
 696
 697         #UML=$(cat /proc/cpuinfo|grep UML|sed -e 's|model name.*: ||')
 698         #if [ "${UML}" = 'UML' ]
 699         #then
 700         #       # UML Fixes
 701         #       good_msg 'Updating for uml system'
 702         #fi
 703
 704         # Let Init scripts know that we booted from CD
 705         export CDBOOT
 706         CDBOOT=1
 707 else
 708         if [ "${USE_UNIONFS_NORMAL}" = '1' ]
 709         then
 710                 mkdir /union_changes
 711                 mount -t tmpfs tmpfs /union_changes
 712                 setup_unionfs /union_changes ${NEW_ROOT}
 713                 mkdir -p ${UNION}/tmp/.initrd
 714         fi
 715 fi
 716
 717 # Execute script on the cdrom just before boot to update things if necessary
 718 cdupdate
 719
 720 if [ "${SUBDIR}" != '' -a -e "${CHROOT}/${SUBDIR}" ]
 721 then
 722         good_msg "Entering ${SUBDIR} to boot"
 723         CHROOT="${CHROOT}/${SUBDIR}"
 724 fi
 725
 726 verbose_kmsg
 727
 728 echo -ne "${GOOD}>>${NORMAL}${BOLD} Booting (initramfs)${NORMAL}"
 729
 730 cd "${CHROOT}"
 731 mkdir "${CHROOT}/proc" "${CHROOT}/sys" 2>/dev/null
 732 echo -ne "${BOLD}.${NORMAL}"
 733
 734 # If devtmpfs is mounted, try move it to the new root
 735 # If that fails, try to unmount all possible mounts of devtmpfs as stuff breaks otherwise
 736 for fs in /dev /sys /proc
 737 do
 738         if grep -qs "$fs" /proc/mounts
 739         then
 740                 if ! mount --move $fs "${CHROOT}"$fs
 741                 then
 742                         umount $fs || echo '*: Failed to move and unmount the ramdisk $fs!'
 743                 fi
 744         fi
 745 done
 746
 747 if [ ! -e "${CHROOT}/dev/console" ] || [ ! -e "${CHROOT}/dev/null" ]
 748 then
 749         echo -ne "${BAD}>>${NORMAL}${BOLD} ERROR: your real /dev is missing files required to boot (console and null)${NORMAL}"
 750 elif [ -e /etc/initrd.splash -a ! -e "${CHROOT}/dev/tty1" ]
 751 then
 752         echo -ne "${BAD}>>${NORMAL}${BOLD} ERROR: your real /dev is missing tty1, which is required for splash${NORMAL}"
 753 fi
 754
 755 echo -e "${BOLD}.${NORMAL}"
 756
 757 exec /sbin/switch_root -c "/dev/console" "${CHROOT}" "${REAL_INIT:-/sbin/init}" "${INIT_OPTS}"
 758
 759 # If we get here, something bad has happened
 760 splash 'verbose'
 761
 762 echo 'A fatal error has probably occured since /sbin/init did not'
 763 echo 'boot correctly. Trying to open a shell...'
 764 echo
 765 exec /bin/bash
 766 exec /bin/sh
 767 exec /bin/ash
 768 exec sh