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 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 CRYPT_SILENT=0
  41 for x in ${CMDLINE}
  42 do
  43         case "${x}" in
  44                 real_root\=*)
  45                         REAL_ROOT=`parse_opt "${x}"`
  46                 ;;
  47                 root\=*)
  48                         FAKE_ROOT=`parse_opt "${x}"`
  49                 ;;
  50                 subdir\=*)
  51                         SUBDIR=`parse_opt "${x}"`
  52                 ;;
  53                 real_init\=*)
  54                         REAL_INIT=`parse_opt "${x}"`
  55                 ;;
  56                 init_opts\=*)
  57                         INIT_OPTS=`parse_opt "${x}"`
  58                 ;;
  59                 # Livecd options
  60                 cdroot)
  61                         CDROOT=1
  62                 ;;
  63                 cdroot\=*)
  64                         CDROOT=1
  65                         CDROOT_DEV=`parse_opt "${x}"`
  66                 ;;
  67                 cdroot_type\=*)
  68                         CDROOT_TYPE=`parse_opt "${x}"`
  69                 ;;
  70                 # Start livecd loop, looptype options
  71                 loop\=*)
  72                         LOOP=`parse_opt "${x}"`
  73                 ;;
  74                 looptype\=*)
  75                         LOOPTYPE=`parse_opt "${x}"`
  76                 ;;
  77                 isoboot\=*)
  78                         ISOBOOT=`parse_opt "${x}"`
  79                 ;;
  80                 # Start Volume manager options
  81                 dolvm)
  82                         USE_LVM_NORMAL=1
  83                 ;;
  84                 dolvm2)
  85                         bad_msg 'Using dolvm2 is deprecated, use dolvm, instead.'
  86                         USE_LVM_NORMAL=1
  87                 ;;
  88                 domdadm)
  89                         USE_MDADM=1
  90                 ;;
  91                 dodmraid)
  92                         USE_DMRAID_NORMAL=1
  93                 ;;
  94                 dodmraid\=*)
  95                         DMRAID_OPTS=`parse_opt "${x}"`
  96                         USE_DMRAID_NORMAL=1
  97                 ;;
  98                 doevms)
  99                         USE_EVMS_NORMAL=1
 100                 ;;
 101                 doevms2)
 102                         bad_msg 'Using doevms2 is deprecated, use doevms, instead.'
 103                         USE_EVMS_NORMAL=1
 104                 ;;
 105                 # Debug Options
 106                 debug)
 107                         DEBUG='yes'
 108                 ;;
 109                 # Scan delay options
 110                 scandelay\=*)
 111                         SDELAY=`parse_opt "${x}"`
 112                 ;;
 113                 scandelay)
 114                         SDELAY=3
 115                 ;;
 116                 # Module no-loads
 117                 doload\=*)
 118                         MDOLIST=`parse_opt "${x}"`
 119                         MDOLIST="`echo ${MDOLIST} | sed -e 's/,/ /g'`"
 120                 ;;
 121                 nodetect)
 122                         NODETECT=1
 123                 ;;
 124                 noload\=*)
 125                         MLIST=`parse_opt "${x}"`
 126                         MLIST="`echo ${MLIST} | sed -e 's/,/ /g'`"
 127                         export MLIST
 128                 ;;
 129                 # Redirect output to a specific tty
 130                 CONSOLE\=*|console\=*)
 131                         CONSOLE=`parse_opt "${x}"`
 132                         CONSOLE=`basename ${CONSOLE}`
 133 #                       exec >${CONSOLE} <${CONSOLE} 2>&1
 134                 ;;
 135                 # /dev/md
 136                 lvmraid\=*)
 137                         RAID_DEVICES="`parse_opt ${x}`"
 138                         RAID_DEVICES="`echo ${RAID_DEVICES} | sed -e 's/,/ /g'`"
 139                 ;;
 140                 part\=*)
 141                         MDPART=`parse_opt "${x}"`
 142                 ;;
 143                 # NFS
 144                 ip\=*)
 145                         IP=`parse_opt "${x}"`
 146                 ;;
 147                 nfsroot\=*)
 148                         NFSROOT=`parse_opt "${x}"`
 149                 ;;
 150                 # iSCSI
 151                 iscsi_initiatorname\=*)
 152                         ISCSI_INITIATORNAME=`parse_opt "${x}"`
 153                 ;;
 154                 iscsi_target\=*)
 155                         ISCSI_TARGET=`parse_opt "${x}"`
 156                 ;;
 157                 iscsi_tgpt\=*)
 158                         ISCSI_TGPT=`parse_opt "${x}"`
 159                 ;;
 160                 iscsi_address\=*)
 161                         ISCSI_ADDRESS=`parse_opt "${x}"`
 162                 ;;
 163                 iscsi_port\=*)
 164                         ISCSI_PORT=`parse_opt "${x}"`
 165                 ;;
 166                 iscsi_username\=*)
 167                         ISCSI_USERNAME=`parse_opt "${x}"`
 168                 ;;
 169                 iscsi_password\=*)
 170                         ISCSI_PASSWORD=`parse_opt "${x}"`
 171                 ;;
 172                 iscsi_username_in\=*)
 173                         ISCSI_USERNAME_IN=`parse_opt "${x}"`
 174                 ;;
 175                 iscsi_password_in\=*)
 176                         ISCSI_PASSWORD_IN=`parse_opt "${x}"`
 177                 ;;
 178                 iscsi_debug\=*)
 179                         ISCSI_DEBUG=`parse_opt "${x}"`
 180                 ;;
 181                 # Crypto
 182                 crypt_root\=*)
 183                         CRYPT_ROOT=`parse_opt "${x}"`
 184                 ;;
 185                 crypt_swap\=*)
 186                         CRYPT_SWAP=`parse_opt "${x}"`
 187                 ;;
 188                 root_key\=*)
 189                         CRYPT_ROOT_KEY=`parse_opt "${x}"`
 190                 ;;
 191                 root_keydev\=*)
 192                         CRYPT_ROOT_KEYDEV=`parse_opt "${x}"`
 193                 ;;
 194                 swap_key\=*)
 195                         CRYPT_SWAP_KEY=`parse_opt "${x}"`
 196                 ;;
 197                 swap_keydev\=*)
 198                         CRYPT_SWAP_KEYDEV=`parse_opt "${x}"`
 199                 ;;
 200                 real_resume\=*|resume\=*)
 201                         REAL_RESUME=`parse_opt "${x}"`
 202                 ;;
 203                 noresume)
 204                         NORESUME=1
 205                 ;;
 206                 crypt_silent)
 207                         CRYPT_SILENT=1
 208                 ;;
 209                 real_rootflags\=*)
 210                         REAL_ROOTFLAGS=`parse_opt "${x}"`
 211                 ;;
 212                 keymap\=*)
 213                         keymap=`parse_opt "${x}"`
 214                 ;;
 215                 unionfs)
 216                         if [ ! -x /sbin/unionfs ]
 217                         then
 218                                 USE_UNIONFS_NORMAL=0
 219                                 bad_msg 'unionfs binary not found: aborting use of unionfs!'
 220                         else
 221                                 USE_UNIONFS_NORMAL=1
 222                         fi
 223                         ;;
 224                 nounionfs)
 225                         USE_UNIONFS_NORMAL=0
 226                         ;;
 227 #                 unionfs\=*)
 228 #                         if [ ! -x /sbin/unionfs ]
 229 #                         then
 230 #                                 USE_UNIONFS_NORMAL=0
 231 #                                 bad_msg 'unionfs binary not found: aborting use of unionfs!'
 232 #                         else
 233 #                                 USE_UNIONFS_NORMAL=1
 234 #                                 CMD_UNIONFS=`parse_opt "${x}"`
 235 #                                 echo ${CMD_UNIONFS}|grep , >/dev/null 2>&1
 236 #                                 if [ $? -eq 0 ]
 237 #                                 then
 238 #                                         UID=`echo ${CMD_UNIONFS#*,}`
 239 #                                         UNIONFS=`echo ${CMD_UNIONFS%,*}`
 240 #                                 else
 241 #                                         UNIONFS=${CMD_UNIONFS}
 242 #                                 fi
 243 #                         fi
 244 #                 ;;
 245         esac
 246 done
 247
 248 if [ -z "${REAL_ROOT}" -a \( "${CDROOT}" = '0' \)  -a \( "${FAKE_ROOT}" != "/dev/ram0" \) ]
 249 then
 250         REAL_ROOT="${FAKE_ROOT}"
 251 fi
 252
 253 splash 'init'
 254
 255 cmdline_hwopts
 256
 257 # Mount sysfs
 258 mount_sysfs
 259
 260 # Setup hotplugging for firmware loading
 261 setup_hotplug
 262
 263 # Load modules listed in MY_HWOPTS if /lib/modules exists for the running kernel
 264 if [ -z "${DO_modules}" ]
 265 then
 266         good_msg 'Skipping module load; disabled via commandline'
 267 elif [ -d "/lib/modules/${KV}" ]
 268 then
 269         good_msg 'Loading modules'
 270         # Load appropriate kernel modules
 271         if [ "${NODETECT}" != '1' ]
 272         then
 273                 for modules in ${MY_HWOPTS}
 274                 do
 275                         modules_scan ${modules}
 276                 done
 277         fi
 278         # Always eval doload=...
 279         modules_load ${MDOLIST}
 280 else
 281         good_msg 'Skipping module load; no modules in the ramdisk!'
 282 fi
 283
 284 # Apply scan delay if specified
 285 sdelay
 286
 287 # Setup slow USB bits
 288 setup_slowusb
 289
 290 # Start device manager
 291 start_dev_mgr
 292
 293 # if doslowusb is passed, pause other 10 seconds here, after mdev load
 294 [ "${DO_slowusb}" ] && sleep 10
 295
 296 # Start iSCSI
 297 startiscsi
 298
 299 # Setup btrfs, see bug 303529
 300 setup_btrfsctl
 301
 302 # Setup md device nodes if they dont exist
 303 setup_md_device
 304
 305 # Scan volumes
 306 startVolumes
 307
 308 setup_keymap
 309
 310 # Initialize LUKS root device except for livecd's
 311 if [ "${CDROOT}" != 1 ]
 312 then
 313         startLUKS
 314         if [ "${NORESUME}" != '1' ] && [ -n "${REAL_RESUME}" ]
 315         then
 316                 case "${REAL_RESUME}" in
 317                         LABEL\=*|UUID\=*)
 318
 319                                 RESUME_DEV=""
 320                                 retval=1
 321
 322                                 if [ ${retval} -ne 0 ]; then
 323                                         RESUME_DEV=`findfs "${REAL_RESUME}" 2>/dev/null`
 324                                         retval=$?
 325                                 fi
 326
 327                                 if [ ${retval} -ne 0 ]; then
 328                                         RESUME_DEV=`busybox findfs "${REAL_RESUME}" 2>/dev/null`
 329                                         retval=$?
 330                                 fi
 331
 332                                 if [ ${retval} -ne 0 ]; then
 333                                         RESUME_DEV=`blkid -l -t "${REAL_RESUME}" | cut -d ":" -f 1 2>/dev/null`
 334                                         retval=$?
 335                                 fi
 336
 337                                 if [ ${retval} -eq 0 ] && [ -n "${RESUME_DEV}" ]; then
 338                                         good_msg "Detected real_resume=${RESUME_DEV}"
 339                                         REAL_RESUME="${RESUME_DEV}"
 340                                 fi
 341                                 ;;
 342                 esac
 343
 344                 do_resume
 345         fi
 346 fi
 347
 348 mkdir -p "${NEW_ROOT}"
 349 CHROOT="${NEW_ROOT}"
 350
 351 # Run debug shell if requested
 352 rundebugshell
 353
 354 if [ "${CDROOT}" = '1' ]
 355 then
 356         good_msg "Making tmpfs for ${NEW_ROOT}"
 357         mount -n -t tmpfs tmpfs "${NEW_ROOT}"
 358
 359         for i in dev mnt mnt/cdrom mnt/livecd mnt/key tmp tmp/.initrd mnt/gentoo sys
 360         do
 361                 mkdir -p "${NEW_ROOT}/${i}"
 362                 chmod 755 "${NEW_ROOT}/${i}"
 363         done
 364         [ ! -e "${NEW_ROOT}/dev/null" ] && mknod "${NEW_ROOT}"/dev/null c 1 3
 365         [ ! -e "${NEW_ROOT}/dev/console" ] && mknod "${NEW_ROOT}"/dev/console c 5 1
 366
 367         # For SGI LiveCDs ...
 368         if [ "${LOOPTYPE}" = "sgimips" ]
 369         then
 370                 [ ! -e "${NEW_ROOT}/dev/sr0" ] && mknod "${NEW_ROOT}/dev/sr0" b 11 0
 371                 [ ! -e "${NEW_ROOT}/dev/loop0" ] && mknod "${NEW_ROOT}/dev/loop0" b 7 0
 372         fi
 373
 374         # Required for splash to work.  Not an issue with the initrd as this
 375         # device isn't created there and is not needed.
 376         if [ -e /dev/tty1 ]
 377         then
 378                 [ ! -e "${NEW_ROOT}/dev/tty1" ] && mknod "${NEW_ROOT}/dev/tty1" c 4 1
 379         fi
 380
 381         if [ "${REAL_ROOT}" != "/dev/nfs" ] && [ "${LOOPTYPE}" != "sgimips" ]
 382         then
 383                 bootstrapCD
 384         fi
 385
 386         if [ "${REAL_ROOT}" = '' ]
 387         then
 388                 echo -n -e "${WARN}>>${NORMAL}${BOLD} No bootable medium found. Waiting for new devices"
 389
 390                 COUNTER=0
 391                 while [ ${COUNTER} -lt 3 ]; do
 392                         sleep 3
 393                         echo -n '.'
 394                         let COUNTER=${COUNTER}+1
 395                 done
 396
 397                 sleep 1
 398                 echo -e "${NORMAL}"
 399                 bootstrapCD
 400         fi
 401
 402         if [ "${REAL_ROOT}" = '' ]
 403         then
 404                 # Undo stuff
 405                 umount  "${NEW_ROOT}/dev" 2>/dev/null
 406                 umount  "${NEW_ROOT}/sys" 2>/dev/null
 407                 umount /sys 2>/dev/null
 408
 409                 umount  "${NEW_ROOT}"
 410                 rm -rf  "${NEW_ROOT}/*"
 411
 412                 bad_msg 'Could not find CD to boot, something else needed!'
 413                 CDROOT=0
 414         fi
 415 fi
 416
 417 # Determine root device
 418 good_msg 'Determining root device...'
 419 while true
 420 do
 421         while [ "${got_good_root}" != '1' ]
 422         do
 423                 case "${REAL_ROOT}" in
 424                         LABEL\=*|UUID\=*)
 425
 426                                 ROOT_DEV=""
 427                                 retval=1
 428
 429                                 if [ ${retval} -ne 0 ]; then
 430                                         ROOT_DEV=`findfs "${REAL_ROOT}" 2>/dev/null`
 431                                         retval=$?
 432                                 fi
 433
 434                                 if [ ${retval} -ne 0 ]; then
 435                                         ROOT_DEV=`busybox findfs "${REAL_ROOT}" 2>/dev/null`
 436                                         retval=$?
 437                                 fi
 438
 439                                 if [ ${retval} -ne 0 ]; then
 440                                         ROOT_DEV=`blkid -l -t "${REAL_ROOT}" | cut -d ":" -f 1 2>/dev/null`
 441                                         retval=$?
 442                                 fi
 443
 444                                 if [ ${retval} -eq 0 ] && [ -n "${ROOT_DEV}" ]; then
 445                                         good_msg "Detected real_root=${ROOT_DEV}"
 446                                         REAL_ROOT="${ROOT_DEV}"
 447                                 else
 448                                         whereis "REAL_ROOT" "root block device"
 449                                         got_good_root=0
 450                                         continue
 451                                 fi
 452                                 ;;
 453                 esac
 454
 455                 if [ "${REAL_ROOT}" = '' ]
 456                 then
 457                         # No REAL_ROOT determined/specified. Prompt user for root block device.
 458                         whereis "REAL_ROOT" "root block device"
 459                         got_good_root=0
 460
 461                 # Check for a block device or /dev/nfs
 462                 elif [ -b "${REAL_ROOT}" ] || [ "${REAL_ROOT}" = "/dev/nfs" ]
 463                 then
 464                         got_good_root=1
 465
 466                 else
 467                         bad_msg "Block device ${REAL_ROOT} is not a valid root device..."
 468                         REAL_ROOT=""
 469                         got_good_root=0
 470                 fi
 471         done
 472
 473
 474         if [ "${CDROOT}" = 1 -a "${got_good_root}" = '1' -a "${REAL_ROOT}" != "/dev/nfs" ]
 475         then
 476                 # CD already mounted; no further checks necessary
 477                 break
 478         elif [ "${LOOPTYPE}" = "sgimips" ]
 479         then
 480                 # sgimips mounts the livecd root partition directly
 481                 # there is no isofs filesystem to worry about
 482                 break
 483         else
 484                 good_msg "Mounting root..."
 485
 486                 # Try to mount the device as ${NEW_ROOT}
 487                 if [ "${REAL_ROOT}" = '/dev/nfs' ]; then
 488                         findnfsmount
 489                 else
 490                         # mount ro so fsck doesn't barf later
 491                         if [ "${REAL_ROOTFLAGS}" = '' ]; then
 492                                 mount -o ro ${REAL_ROOT} ${NEW_ROOT}
 493                         else
 494                                 good_msg "Using mount -o ro,${REAL_ROOTFLAGS}"
 495                                 mount -o ro,${REAL_ROOTFLAGS} ${REAL_ROOT} ${NEW_ROOT}
 496                         fi
 497                 fi
 498
 499                 # If mount is successful break out of the loop
 500                 # else not a good root and start over.
 501                 if [ "$?" = '0' ]
 502                 then
 503                         if [ -d ${NEW_ROOT}/dev -a -x ${NEW_ROOT}/sbin/init ] || [ "${REAL_ROOT}" = "/dev/nfs" ]
 504                         then
 505                                 break
 506                         else
 507                                 bad_msg "The filesystem mounted at ${REAL_ROOT} does not appear to be a valid /, try again"
 508                                 got_good_root=0
 509                                 REAL_ROOT=''
 510                         fi
 511                 else
 512                         bad_msg "Could not mount specified ROOT, try again"
 513                         got_good_root=0
 514                         REAL_ROOT=''
 515                 fi
 516         fi
 517 done
 518 # End determine root device
 519
 520 #verbose_kmsg
 521
 522 # If CD root is set determine the looptype to boot
 523 if [ "${CDROOT}" = '1' ]
 524 then
 525         good_msg 'Determining looptype ...'
 526         cd "${NEW_ROOT}"
 527
 528         # Find loop and looptype
 529         [ -z "${LOOP}" ] && find_loop
 530         [ -z "${LOOPTYPE}" ] && find_looptype
 531
 532         cache_cd_contents
 533
 534         # If encrypted, find key and mount, otherwise mount as usual
 535         if [ -n "${CRYPT_ROOT}" ]
 536         then
 537                 CRYPT_ROOT_KEY="$(head -n 1 ${NEW_ROOT}/mnt/cdrom/livecd)"
 538                 CRYPT_ROOT='/dev/loop0'
 539                 good_msg 'You booted an encrypted livecd' "${CRYPT_SILENT}"
 540
 541                 losetup /dev/loop0 "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}"
 542                 test_success 'Preparing loop filesystem'
 543
 544                 startLUKS
 545
 546                 case ${LOOPTYPE} in
 547                         normal)
 548                                 MOUNTTYPE="ext2"
 549                                 ;;
 550                         *)
 551                                 MOUNTTYPE="${LOOPTYPE}"
 552                                 ;;
 553                 esac
 554                 mount -t "${MOUNTTYPE}" -o ro /dev/mapper/root "${NEW_ROOT}/mnt/livecd"
 555                 test_success 'Mount filesystem'
 556                 FS_LOCATION='mnt/livecd'
 557         # Setup the loopback mounts, if unencrypted
 558         else
 559                 if [ "${LOOPTYPE}" = 'normal' ]
 560                 then
 561                         good_msg 'Mounting loop filesystem'
 562                         mount -t ext2 -o loop,ro "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}" "${NEW_ROOT}/mnt/livecd"
 563                         test_success 'Mount filesystem'
 564                         FS_LOCATION='mnt/livecd'
 565                 elif [ "${LOOPTYPE}" = 'squashfs' ]
 566                 then
 567                         good_msg 'Mounting squashfs filesystem'
 568                         mount -t squashfs -o loop,ro "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}" "${NEW_ROOT}/mnt/livecd"
 569                         test_success 'Mount filesystem'
 570                         FS_LOCATION='mnt/livecd'
 571                 elif [ "${LOOPTYPE}" = 'gcloop' ]
 572                 then
 573                         good_msg 'Mounting gcloop filesystem'
 574                         echo ' ' | losetup -E 19 -e ucl-0 -p0 "${NEW_ROOT}/dev/loop0" "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}"
 575                         test_success 'losetup the loop device'
 576
 577                         mount -t ext2 -o ro "${NEW_ROOT}/dev/loop0" "${NEW_ROOT}/mnt/livecd"
 578                         test_success 'Mount the losetup loop device'
 579                         FS_LOCATION='mnt/livecd'
 580                 elif [ "${LOOPTYPE}" = 'zisofs' ]
 581                 then
 582                         FS_LOCATION="mnt/cdrom/${LOOPEXT}${LOOP}"
 583                 elif [ "${LOOPTYPE}" = 'noloop' ]
 584                 then
 585                         FS_LOCATION='mnt/cdrom'
 586                 elif [ "${LOOPTYPE}" = 'sgimips' ]
 587                 then
 588                         # getdvhoff finds the starting offset (in bytes) of the squashfs
 589                         # partition on the cdrom and returns this offset for losetup
 590                         #
 591                         # All currently supported SGI Systems use SCSI CD-ROMs, so
 592                         # so we know that the CD-ROM is usually going to be /dev/sr0.
 593                         #
 594                         # We use the value given to losetup to set /dev/loop0 to point
 595                         # to the liveCD root partition, and then mount /dev/loop0 as
 596                         # the LiveCD rootfs
 597                         good_msg 'Locating the SGI LiveCD Root Partition'
 598                         echo ' ' | \
 599                                 losetup -o $(getdvhoff "${NEW_ROOT}${REAL_ROOT}" 0) \
 600                                         "${NEW_ROOT}${CDROOT_DEV}" \
 601                                         "${NEW_ROOT}${REAL_ROOT}"
 602                         test_success 'losetup /dev/sr0 /dev/loop0'
 603
 604                         good_msg 'Mounting the Root Partition'
 605                         mount -t squashfs -o ro "${NEW_ROOT}${CDROOT_DEV}" "${NEW_ROOT}/mnt/livecd"
 606                         test_success 'mount /dev/loop0 /'
 607                         FS_LOCATION='mnt/livecd'
 608                 fi
 609         fi
 610
 611
 612
 613         # Unpacking additional packages from NFS mount
 614         # This is useful for adding kernel modules to /lib
 615         # We do this now, so that additional packages can add whereever they want.
 616         if [ "${REAL_ROOT}" = '/dev/nfs' ]
 617         then
 618                 if [ -e "${NEW_ROOT}/mnt/cdrom/add" ]
 619                 then
 620                                 for targz in `ls ${NEW_ROOT}/mnt/cdrom/add/*.tar.gz`
 621                                 do
 622                                         tarname=`basename ${targz}`
 623                                         good_msg "Adding additional package ${tarname}"
 624                                         (cd ${NEW_ROOT} ; /bin/tar -xzf ${targz})
 625                                 done
 626                 fi
 627         fi
 628
 629
 630         if [ "${USE_UNIONFS_NORMAL}" = '1' ]
 631         then
 632                 setup_unionfs ${NEW_ROOT} ${NEW_ROOT}/${FS_LOCATION}
 633                 CHROOT=/union
 634         else
 635
 636         good_msg "Copying read-write image contents to tmpfs"
 637         # Copy over stuff that should be writable
 638         (cd "${NEW_ROOT}/${FS_LOCATION}"; cp -a ${ROOT_TREES} "${NEW_ROOT}")
 639
 640         # Now we do the links.
 641         for x in ${ROOT_LINKS}
 642         do
 643                 if [ -L "${NEW_ROOT}/${FS_LOCATION}/${x}" ]
 644                 then
 645                         ln -s "`readlink ${NEW_ROOT}/${FS_LOCATION}/${x}`" "${x}" 2>/dev/null
 646                 else
 647                         # List all subdirectories of x
 648                         find "${NEW_ROOT}/${FS_LOCATION}/${x}" -type d 2>/dev/null | while read directory
 649                         do
 650                                 # Strip the prefix of the FS_LOCATION
 651                                 directory="${directory#${NEW_ROOT}/${FS_LOCATION}/}"
 652
 653                                 # Skip this directory if we already linked a parent directory
 654                                 if [ "${current_parent}" != '' ]; then
 655                                         var=`echo "${directory}" | grep "^${current_parent}"`
 656                                         if [ "${var}" != '' ]; then
 657                                                 continue
 658                                         fi
 659                                 fi
 660                                 # Test if the directory exists already
 661                                 if [ -e "/${NEW_ROOT}/${directory}" ]
 662                                 then
 663                                         # It does exist, link all the individual files
 664                                         for file in `ls /${NEW_ROOT}/${FS_LOCATION}/${directory}`
 665                                         do
 666                                         if [ ! -d "/${NEW_ROOT}/${FS_LOCATION}/${directory}/${file}" ] && [ ! -e "${NEW_ROOT}/${directory}/${file}" ]; then
 667                                                         ln -s "/${FS_LOCATION}/${directory}/${file}" "${directory}/${file}" 2> /dev/null
 668                                                 fi
 669                                         done
 670                                 else
 671                                         # It does not exist, make a link to the livecd
 672                                         ln -s "/${FS_LOCATION}/${directory}" "${directory}" 2>/dev/null
 673                                         current_parent="${directory}"
 674                                 fi
 675                         done
 676                 fi
 677         done
 678
 679         mkdir initramfs proc tmp sys 2>/dev/null
 680         chmod 1777 tmp
 681
 682         fi
 683
 684         #UML=`cat /proc/cpuinfo|grep UML|sed -e 's|model name.*: ||'`
 685         #if [ "${UML}" = 'UML' ]
 686         #then
 687         #       # UML Fixes
 688         #       good_msg 'Updating for uml system'
 689         #fi
 690
 691         # Let Init scripts know that we booted from CD
 692         export CDBOOT
 693         CDBOOT=1
 694 else
 695         if [ "${USE_UNIONFS_NORMAL}" = '1' ]
 696         then
 697                 mkdir /union_changes
 698                 mount -t tmpfs tmpfs /union_changes
 699                 setup_unionfs /union_changes ${NEW_ROOT}
 700                 mkdir -p ${UNION}/tmp/.initrd
 701         fi
 702 fi
 703
 704 # Execute script on the cdrom just before boot to update things if necessary
 705 cdupdate
 706
 707 if [ "${SUBDIR}" != '' -a -e "${CHROOT}/${SUBDIR}" ]
 708 then
 709         good_msg "Entering ${SUBDIR} to boot"
 710         CHROOT="${CHROOT}/${SUBDIR}"
 711 fi
 712
 713 verbose_kmsg
 714
 715 echo -ne "${GOOD}>>${NORMAL}${BOLD} Booting (initramfs)${NORMAL}"
 716 if [ ! -e "${CHROOT}/dev/console" ] || [ ! -e "${CHROOT}/dev/null" ]
 717 then
 718         echo -ne "${BAD}>>${NORMAL}${BOLD} ERROR: your real /dev is missing files required to boot (console and null)${NORMAL}"
 719 elif [ -e /etc/initrd.splash -a ! -e "${CHROOT}/dev/tty1" ]
 720 then
 721         echo -ne "${BAD}>>${NORMAL}${BOLD} ERROR: your real /dev is missing tty1, which is required for splash${NORMAL}"
 722 fi
 723
 724 cd "${CHROOT}"
 725 mkdir "${CHROOT}/proc" "${CHROOT}/sys" 2>/dev/null
 726 echo -ne "${BOLD}.${NORMAL}"
 727 umount /sys || echo '*: Failed to unmount the ramdisk /sys!'
 728 umount /proc || echo '*: Failed to unmount the ramdisk /proc!'
 729 echo -e "${BOLD}.${NORMAL}"
 730
 731 exec /sbin/switch_root -c "/dev/console" "${CHROOT}" "${REAL_INIT:-/sbin/init}" "${INIT_OPTS}"
 732
 733 # If we get here, something bad has happened
 734 splash 'verbose'
 735
 736 echo 'A fatal error has probably occured since /sbin/init did not'
 737 echo 'boot correctly. Trying to open a shell...'
 738 echo
 739 exec /bin/bash
 740 exec /bin/sh
 741 exec /bin/ash
 742 exec sh