defaults/initrd.scripts

   1 #!/bin/ash
   2
   3 . /etc/initrd.defaults
   4
   5 backup() {
   6         echo -ne "\033[0G\033[0K"
   7 }
   8
   9 modules_load() {
  10         for module in $*
  11         do
  12                 echo ${module} >> /etc/modules/extra_load
  13         done
  14
  15         modules_scan extra_load
  16 }
  17
  18 modules_scan() {
  19         local MODS
  20         [ -d "/etc/modules/${1}" ] || touch /etc/modules/${1}
  21
  22         [ -f "/etc/modules/${1}" ] && MODS=`cat /etc/modules/${1}`
  23         for x in ${MODS}
  24         do
  25                 MLOAD=`echo ${MLIST} | sed -e "s/.*${x}.*/${x}/"`
  26                 if [ "${MLOAD}" = "${x}" ] # Only module to no-load
  27                 then
  28                         echo -e "${BOLD}   ::${NORMAL} Skipping ${x}..."
  29                 elif [ "${MLOAD}" = "${MLIST}" ] # == No change == No specified no-load
  30                 then
  31                         [ -n "${DEBUG}" ] && echo -ne "${BOLD}   ::${NORMAL} Checking for ${x}..."
  32                         # find -name does not work since the return status is always zero
  33                         if find /lib/modules/${KV} | grep /"${x}${KSUFF}" >/dev/null 2>&1
  34                         then
  35                                 echo -ne "${BOLD}   ::${NORMAL} Scanning for ${x}..."
  36                                 modprobe ${x} -n
  37                                 backup
  38                                 echo -ne "${NORMAL}"
  39                         fi
  40                 else
  41                         echo -e "${BOLD}   ::${NORMAL} Skipping ${x}..."
  42                 fi
  43         done
  44 }
  45
  46 uppercase(){
  47         # needs tr on busybox
  48         echo $1 | tr 'a-z' 'A-Z'
  49 }
  50
  51
  52 findmediamount() {
  53         # $1 = mount dir name / media name
  54         # $2 = recognition file
  55         # $3 = variable to have the device path
  56         # $4 = actual mount dir path (full path)
  57         # args remaining are possible devices
  58
  59         local media=$1 recon=$2 vrbl=$3 mntdir=$4
  60         shift 4
  61
  62         good_msg "Looking for the ${media}" ${CRYPT_SILENT}
  63
  64         if [ "$#" -gt "0" ]
  65         then
  66                 [ ! -d "${mntdir}" ] && mkdir -p ${mntdir} 2>/dev/null >/dev/null
  67                 if [ -n "${ISOBOOT}" ]
  68                 then
  69                         mntcddir="${mntdir%${media}}iso"
  70                         if [ ! -f ${mntcddir} ]
  71                         then
  72                                 mkdir ${mntcddir}
  73                         fi
  74                 else
  75                         mntcddir=${mntdir}
  76                 fi
  77
  78                 for x in $*
  79                 do
  80                         # Check for a block device to mount
  81                         if [ -b "${x}" ]
  82                         then
  83                                 skip=0
  84                                 bsn=`basename "${x}"`
  85                                 #
  86                                 # If disk and it has at least one partition, skip.
  87                                 # We use /sys/block/${bsn}/${bsn}[0-9]* to make sure that we
  88                                 # don't skip device mapper devices. Even the craziest scenario
  89                                 # deserves a fair chance.
  90                                 #
  91                                 for part in `ls /sys/block/${bsn}/${bsn}*[0-9]* 2>/dev/null`
  92                                 do
  93                                         skip=1
  94                                         break;
  95                                 done
  96                                 if [ ${skip} -eq 1 ]
  97                                 then
  98                                         continue
  99                                 fi
 100                                 good_msg "Attempting to mount media: ${x}" ${CRYPT_SILENT}
 101
 102                                 mount -r -t ${CDROOT_TYPE} ${x} ${mntcddir} >/dev/null 2>&1
 103                                 if [ "$?" = '0' ]
 104                                 then
 105                                         if [ -n "${ISOBOOT}" ]; then
 106                                                 if [ -f ${mntcddir}/${ISOBOOT} ]; then
 107                                                         mount -o loop ${mntcddir}/${ISOBOOT} ${mntdir}
 108                                                         if [ "$?" = "0" ]; then
 109                                                                 good_msg "iso mounted on ${mntdir}"
 110                                                         fi
 111                                                 fi
 112                                         fi
 113
 114                                         # Check for the media
 115                                         if [ -f "${mntdir}/${recon}" ]
 116                                         then
 117                                                 #set REAL_ROOT, CRYPT_ROOT_KEYDEV or whatever ${vrbl} is
 118                                                 eval ${vrbl}'='"${x}"
 119                                                 good_msg "Media found on ${x}" ${CRYPT_SILENT}
 120                                                 break
 121                                         else
 122                                                 umount ${mntcddir}
 123                                         fi
 124                                 fi
 125                         fi
 126                 done
 127         fi
 128
 129         eval local result='$'${vrbl}
 130
 131         [ -n "${result}" ] || bad_msg "Media not found" ${CRYPT_SILENT}
 132 }
 133
 134 devicelist(){
 135         # Locate the cdrom device with our media on it.
 136         # CDROM DEVICES
 137         local DEVICES="/dev/cdroms/* /dev/ide/cd/* /dev/sr*"
 138         # USB Keychain/Storage
 139         DEVICES="$DEVICES /dev/sd*"
 140         # IDE devices
 141         DEVICES="$DEVICES /dev/hd*"
 142         # virtio devices
 143         DEVICES="$DEVICES /dev/vd*"
 144         # USB using the USB Block Driver
 145         DEVICES="$DEVICES /dev/ubd* /dev/ubd/*"
 146         # iSeries devices
 147         DEVICES="$DEVICES /dev/iseries/vcd*"
 148         # builtin mmc/sd card reader devices
 149         DEVICES="$DEVICES /dev/mmcblk* /dev/mmcblk*/*"
 150         # fallback scanning, this might scan something twice, but it's better than
 151         # failing to boot.
 152         [ -e /proc/partitions ] && DEVICES="${DEVICES} $(awk '/([0-9]+[[:space:]]+)/{print "/dev/" $4}' /proc/partitions)"
 153         echo ${DEVICES}
 154 }
 155
 156 bootstrapCD() {
 157         local DEVICES=`devicelist`
 158         # The device was specified on the command line, so there's no need to scan
 159         # a bunch of extra devices
 160         [ -n "${CDROOT_DEV}" ] && DEVICES="${CDROOT_DEV}"
 161
 162         findmediamount "cdrom" "${SUBDIR}/livecd" "REAL_ROOT" "${CDROOT_PATH}" ${DEVICES}
 163 }
 164
 165 bootstrapKey() {
 166         # $1 = ROOT/SWAP
 167         local KEYDEVS=`devicelist`
 168         eval local keyloc='"${CRYPT_'${1}'_KEY}"'
 169
 170         findmediamount "key" "${keyloc}" "CRYPT_${1}_KEYDEV" "/mnt/key" ${KEYDEVS}
 171 }
 172
 173 cache_cd_contents() {
 174         # Check loop file exists and cache to ramdisk if DO_cache is enabled
 175         if [ "${LOOPTYPE}" != "noloop" ] && [ "${LOOPTYPE}" != "sgimips" ]
 176         then
 177                 check_loop
 178                 if [ "${DO_cache}" ]
 179                 then
 180                         # TODO: Check the size of the image versus the size of our tmpfs
 181                         # along with the amount of available RAM and increase tmpfs size
 182                         # if necessary. (Not having awk sucks...)
 183                         # z=0
 184                         # for i in $(cat /proc/meminfo | grep -e ^MemFree -e ^Cached | \
 185                         # cut -d: -f2 | cut -dk -f1 | sed -e "s/^\s*//") ; do
 186                         # z=$(($z + $i)) ; done
 187                         # echo $z
 188                         good_msg "Copying loop file for caching..."
 189                         # Verify that the needed directory exists
 190                         mkdir -p "$(dirname ${NEW_ROOT}/mnt/${LOOP})"
 191                         cp -a ${CDROOT_PATH}/${LOOP} ${NEW_ROOT}/mnt/${LOOP}
 192                         if [ $? -ne 0 ]
 193                         then
 194                                 warn_msg "Failed to cache the loop file! Lack of RAM?"
 195                                 rm -rf ${NEW_ROOT}/mnt/${LOOP} 2>/dev/null
 196                                 rm -rf ${NEW_ROOT}/mnt/livecd.* 2>/dev/null
 197                                 rm -rf ${NEW_ROOT}/mnt/image.* 2>/dev/null
 198                                 rm -rf ${NEW_ROOT}/mnt/zisofs 2>/dev/null
 199                         fi
 200                 fi
 201         fi
 202 }
 203
 204 mount_sysfs() {
 205         mount -t sysfs sysfs /sys -o noexec,nosuid,nodev >/dev/null 2>&1
 206         ret=$?
 207         [ ${ret} -eq 0 ] || bad_msg "Failed to mount /sys!"
 208 }
 209
 210 findnfsmount() {
 211         if [ "${IP}" != '' ] || busybox udhcpc -n -T 15 -q
 212         then
 213                 [ -e /rootpath ] && NFSROOT=`cat /rootpath`
 214
 215                 if [ "${NFSROOT}" = '' ]
 216                 then
 217                         # Obtain NFSIP
 218                         OPTIONS=`busybox dmesg | grep rootserver | sed -e "s/,/ /g"`
 219                         for OPTION in $OPTIONS
 220                         do
 221                                 if [ `echo $OPTION | sed -e "s/=/ /g" | cut -d " " -f 1` = 'rootserver' ]
 222                                 then
 223                                         NFSIP=`echo $OPTION | sed -e "s/=/ /g" | cut -d " " -f 2`
 224                                 fi
 225                         done
 226
 227                         # Obtain NFSPATH
 228                         OPTIONS=`busybox dmesg | grep rootpath | sed -e "s/,/ /g"`
 229                         for OPTION in $OPTIONS
 230                         do
 231                                 if [ `echo $OPTION | sed -e "s/=/ /g" | cut -d " " -f 1` = 'rootpath' ]
 232                                 then
 233                                         NFSPATH=`echo $OPTION | sed -e "s/=/ /g" | cut -d " " -f 2`
 234                                 fi
 235                         done
 236
 237                         # Setup NFSROOT
 238                         if [ "${NFSIP}" != '' ] && [ "$NFSPATH" != '' ]
 239                         then
 240                                 NFSROOT="${NFSIP}:${NFSPATH}"
 241                         else
 242                                 bad_msg "The DHCP Server did not send a valid root-path."
 243                                 bad_msg "Please check your DHCP setup, or provide a nfsroot=<...> parameter."
 244                         fi
 245                 fi
 246
 247                 if [ "${NFSROOT}" != '' ]
 248                 then
 249                         NFSOPTIONS=${NFSROOT#*,}
 250                         NFSROOT=${NFSROOT%%,*}
 251                         if [ "${NFSOPTIONS}" = "${NFSROOT}" ]
 252                         then
 253                                 NFSOPTIONS=$DEFAULT_NFSOPTIONS
 254                         else
 255                                 NFSOPTIONS="${DEFAULT_NFSOPTIONS},${NFSOPTIONS}"
 256                         fi
 257
 258                         if [ "${CDROOT}" != '0' ]
 259                         then
 260                                 good_msg "Attempting to mount NFS CD image on ${NFSROOT} with options ${NFSOPTIONS}"
 261                                 mount -t nfs -o ${NFSOPTIONS} ${NFSROOT} ${CDROOT_PATH}
 262                                 if [ "$?" = '0' ]
 263                                 then
 264                                         REAL_ROOT="/dev/nfs"
 265                                 else
 266                                         bad_msg "NFS Mounting failed. Is the path corrent ?"
 267                                 fi
 268                         else
 269                                 good_msg "Attempting to mount NFS root on ${NFSROOT} with options ${NFSOPTIONS}"
 270                                 mount -t nfs -o ${NFSOPTIONS} ${NFSROOT} ${NEW_ROOT}
 271                                 if [ "$?" = '0' ]
 272                                 then
 273                                         REAL_ROOT="/dev/nfs"
 274                                 else
 275                                         bad_msg "NFS Mounting failed. Is the path correct ?"
 276                                 fi
 277                                 # FIXME: Need to start portmap and the other rpc daemons in
 278                                 # order to remount rw.
 279                         fi
 280
 281                 fi
 282         fi
 283 }
 284
 285 check_loop() {
 286         if [ "${LOOP}" = '' -o ! -e "${CDROOT_PATH}/${LOOP}" ]
 287         then
 288
 289                 bad_msg "Invalid loop location: ${LOOP}"
 290                 bad_msg 'Please export LOOP with a valid location, or reboot and pass a proper loop=...'
 291                 bad_msg 'kernel command line!'
 292
 293                 run_shell
 294         fi
 295 }
 296
 297 run_shell() {
 298         /bin/ash
 299 }
 300
 301 fs_type_in_use() {
 302         fs_type=$1
 303         cut -d ' ' -f 3 < /proc/mounts | fgrep -q "${fs_type}"
 304 }
 305
 306 mount_devfs () {
 307         # Use devtmpfs if enabled in kernel,
 308         # else tmpfs. Always run mdev just in case
 309         devfs=tmpfs
 310         if grep -qs devtmpfs /proc/filesystems ; then
 311                 devfs=devtmpfs
 312         fi
 313
 314         # Options copied from /etc/init.d/udev-mount, should probably be kept in sync
 315         if ! fs_type_in_use devtmpfs; then
 316                 mount -t $devfs -o "exec,nosuid,mode=0755,size=10M" udev /dev \
 317                         || bad_msg "Failed to mount /dev as ${devfs}"
 318         fi
 319
 320         # http://git.busybox.net/busybox/plain/docs/mdev.txt
 321         if ! fs_type_in_use devpts; then
 322                 mkdir -m 0755 /dev/pts
 323                 mount -t devpts -o gid=5,mode=0620 devpts /dev/pts  || bad_msg "Failed to mount /dev/pts"
 324         fi
 325 }
 326
 327 test_success() {
 328         retcode=$?
 329         # If last command failed send error message and fall back to a shell
 330         if [ "$retcode" != '0' ]
 331         then
 332                 error_string=$1
 333                 error_string="${error_string:-run command}"
 334                 bad_msg 'Failed to $1; failing back to the shell...'
 335                 run_shell
 336         fi
 337 }
 338
 339
 340 # msg functions arguments
 341 # $1 string
 342 # $2 hide flag
 343
 344 good_msg() {
 345         msg_string=$1
 346         msg_string="${msg_string:-...}"
 347         [ "$2" != 1 ] && echo -e "${GOOD}>>${NORMAL}${BOLD} ${msg_string} ${NORMAL}"
 348 }
 349
 350 bad_msg() {
 351         msg_string=$1
 352         msg_string="${msg_string:-...}"
 353         if [ "$2" != 1 ]
 354         then
 355                 splash 'verbose' > /dev/null &
 356                 echo -e "${BAD}!!${NORMAL}${BOLD} ${msg_string} ${NORMAL}"
 357         fi
 358 }
 359
 360 warn_msg() {
 361         msg_string=$1
 362         msg_string="${msg_string:-...}"
 363         [ "$2" != 1 ] && echo -e "${WARN}**${NORMAL}${BOLD} ${msg_string} ${NORMAL}"
 364 }
 365
 366 crypt_filter() {
 367         if [ "${CRYPT_SILENT}" = '1' ]
 368         then
 369                 eval $1 >/dev/null 2>/dev/null
 370         else
 371                 splash 'verbose' > /dev/null &
 372                 eval $1
 373                 res=$?
 374                 if [ ${res} -eq 0 ]
 375                 then
 376                         splash set_msg 'Disk unlocked.'
 377                 fi
 378                 return ${res}
 379         fi
 380 }
 381
 382 prompt_user(){
 383         # $1 = variable whose value is the path (examples: "REAL_ROOT",
 384         #      "LUKS_KEYDEV")
 385         # $2 = label
 386         # $3 = optional explanations for failure
 387
 388         eval local oldvalue='$'${1}
 389
 390         [ \( $# != 2 \) -a \( $# != 3 \) ] && \
 391                 bad_msg "Bad invocation of function prompt_user, please file a bug \
 392                 report with this message" && exit 1
 393         [ -n "${3}" ] && local explnt=" or : ${3}" || local explnt="."
 394
 395         bad_msg "Could not find the ${2} in ${oldvalue}${explnt}"
 396         echo '   Please specify another value or: press Enter for the same, type "shell" for a shell, or "q" to skip...'
 397         echo -n "${2}(${oldvalue}) :: "
 398         read ${1}
 399         case `eval echo '$'${1}` in
 400                 'q')
 401                         eval ${1}'='${oldvalue}
 402                         warn_msg "Skipping step, this will likely cause a boot failure."
 403                         break
 404                         ;;
 405                 'shell')
 406                         eval ${1}'='${oldvalue}
 407                         echo "To leave and try again just press <Ctrl>+D"
 408                         run_shell
 409                         ;;
 410                 '')
 411                         eval ${1}'='${oldvalue}
 412                         ;;
 413         esac
 414 }
 415
 416 setup_slowusb() {
 417         # This function removes unset DO_slowusb if there is no usb-storage attached.
 418         # If noslowusb is set, skip this function
 419         [ "${DO_slowusb}" ] || return
 420
 421         # Unset DO_slowusb, so we can set it again if usb-storage has something attached
 422         unset DO_slowusb
 423
 424         local usb_storage_dir="/sys/bus/usb/drivers/usb-storage"
 425         if [ ! -d "${usb_storage_dir}" ]
 426         then
 427                 # no automated slowusb required. no usb-storage devices attached.
 428                 return
 429         fi
 430         for x in "${usb_storage_dir}"/*
 431         do
 432                 [ -d "${x}" ]  && [ "${x}" != "${usb_storage_dir}/module" ] \
 433                         && { DO_slowusb="1" ; break ; }
 434         done
 435 }
 436
 437 cmdline_hwopts() {
 438         # Scan CMDLINE for any "doscsi" or "noscsi"-type arguments
 439         local FOUND
 440         local TMP_HWOPTS
 441
 442         for x in $HWOPTS
 443         do
 444                 for y in $CMDLINE
 445                 do
 446                         if [ "${y}" = "do${x}" ]
 447                         then
 448                                 MY_HWOPTS="${MY_HWOPTS} $x"
 449                         elif [ "${y}" = "no${x}" ]
 450                         then
 451                                 MY_HWOPTS="`echo ${MY_HWOPTS} | sed -e \"s/${x}//g\" -`"
 452                         fi
 453                         if [ "$(echo ${y} | cut -b -7)" = "keymap=" ]
 454                         then
 455                                 MY_HWOPTS="${MY_HWOPTS} keymap"
 456                         fi
 457                 done
 458         done
 459
 460         # Shouldnt need to sort this as the following loop should figure out the
 461         # duplicates and strip them out
 462         #MY_HWOPTS=`echo ${MY_HWOPTS}|  sort`
 463
 464         for x in ${MY_HWOPTS}
 465         do
 466                 FOUND=0
 467                 for y in ${TMP_HWOPTS}
 468                 do
 469                         if [ "${y}" = "${x}" ]
 470                         then
 471                                 continue 2
 472                         fi
 473                 done
 474                 TMP_HWOPTS="${TMP_HWOPTS} ${x}"
 475                 eval DO_`echo ${x} | sed 's/-//'`=1
 476         done
 477
 478         MY_HWOPTS=${TMP_HWOPTS}
 479 }
 480
 481 load_modules() {
 482         # Load modules listed in MY_HWOPTS if /lib/modules exists for the running
 483         # kernel version
 484         if [ -d "/lib/modules/${KV}" ]
 485         then
 486                 good_msg 'Loading modules'
 487                 # Load appropriate kernel modules
 488                 for modules in $MY_HWOPTS
 489                 do
 490                         modules_scan $modules
 491                 done
 492         else
 493                 good_msg 'Skipping module load; no modules in the ramdisk!'
 494         fi
 495 }
 496
 497 setup_keymap() {
 498         if [ "${DO_keymap}" ]
 499         then
 500                 if [ ! -e /dev/vc/0 -a ! -e /dev/tty0 ]
 501                 then
 502                         DEVBIND=1
 503                         mount -o bind ${NEW_ROOT}/dev /dev
 504                 fi
 505                 [ ! -e /dev/tty0 ] && ln -s /dev/tty1 /dev/tty0
 506
 507                 [ -f /lib/keymaps/keymapList ] && chooseKeymap
 508
 509                 [ "${DEVBIND}" = '1' ] && umount /dev
 510
 511                 if [ -e /etc/sysconfig/keyboard -a "${CDROOT}" = '1' ]
 512                 then
 513                         mkdir -p ${NEW_ROOT}/etc/sysconfig/
 514                         cp /etc/sysconfig/keyboard ${NEW_ROOT}/etc/sysconfig/keyboard
 515                 fi
 516         fi
 517 }
 518
 519 chooseKeymap() {
 520         good_msg "Loading keymaps"
 521         if [ -z "${keymap}" ]
 522         then
 523                 splash 'verbose' > /dev/null &
 524                 cat /lib/keymaps/keymapList
 525                 read -t 10 -p '<< Load keymap (Enter for default): ' keymap
 526                 case ${keymap} in
 527                         1|azerty) keymap=azerty ;;
 528                         2|be) keymap=be ;;
 529                         3|bg) keymap=bg ;;
 530                         4|br-a) keymap=br-a ;;
 531                         5|br-l) keymap=br-l ;;
 532                         6|by) keymap=by ;;
 533                         7|cf) keymap=cf ;;
 534                         8|croat) keymap=croat ;;
 535                         9|cz) keymap=cz ;;
 536                         10|de) keymap=de ;;
 537                         11|dk) keymap=dk ;;
 538                         12|dvorak) keymap=dvorak ;;
 539                         13|es) keymap=es ;;
 540                         14|et) keymap=et ;;
 541                         15|fi) keymap=fi ;;
 542                         16|fr) keymap=fr ;;
 543                         17|gr) keymap=gr ;;
 544                         18|hu) keymap=hu ;;
 545                         19|il) keymap=il ;;
 546                         20|is) keymap=is ;;
 547                         21|it) keymap=it ;;
 548                         22|jp) keymap=jp ;;
 549                         23|la) keymap=la ;;
 550                         24|lt) keymap=lt ;;
 551                         25|mk) keymap=mk ;;
 552                         26|nl) keymap=nl ;;
 553                         27|no) keymap=no ;;
 554                         28|pl) keymap=pl ;;
 555                         29|pt) keymap=pt ;;
 556                         30|ro) keymap=ro ;;
 557                         31|ru) keymap=ru ;;
 558                         32|se) keymap=se ;;
 559                         33|sg) keymap=sg ;;
 560                         34|sk-y) keymap=sk-y ;;
 561                         35|sk-z) keymap=sk-z ;;
 562                         36|slovene) keymap=slovene ;;
 563                         37|trf) keymap=trf ;;
 564                         38|trq) keymap=trq ;;
 565                         39|ua) keymap=ua ;;
 566                         40|uk) keymap=uk ;;
 567                         41|us) keymap=us ;;
 568                         42|wangbe) keymap=wangbe ;;
 569                         43|sf|ch*) keymap=sf ;;
 570                 esac
 571         fi
 572         if [ -e /lib/keymaps/${keymap}.map ]
 573         then
 574                 good_msg "Loading the ''${keymap}'' keymap"
 575                 loadkmap < /lib/keymaps/${keymap}.map
 576 #               xkeymap=${keymap}
 577 #               echo ${keymap} | egrep -e "[0-9]+" >/dev/null 2>&1
 578 #               if [ $? -eq 0 ]
 579 #               then
 580 #                       xkeymap=`tail -n 8 /lib/keymaps/keymapList | grep ${keymap} | sed -r "s/.*\s+${keymap}\s+([a-z-]+).*/\1/g" | egrep -v 1`
 581 #               fi
 582                 mkdir -p /etc/sysconfig
 583 #               echo "XKEYBOARD=${xkeymap}" > /etc/sysconfig/keyboard
 584                 echo "XKEYBOARD=${keymap}" > /etc/sysconfig/keyboard
 585                 splash set_msg "Set keymap to ${keymap}"
 586         elif [ -z "${keymap}" ]
 587         then
 588                 echo
 589                 good_msg "Keeping default keymap"
 590                 splash set_msg "Keeping default keymap"
 591         else
 592                 bad_msg "Sorry, but keymap ''${keymap}'' is invalid!"
 593                 unset keymap
 594                 chooseKeymap
 595         fi
 596 }
 597
 598 startVolumes() {
 599         #good_msg 'Checking if volumes need to be started...'
 600
 601         # Here, we check for /dev/device-mapper, and if it exists, we setup a
 602         # a symlink, which should hopefully fix bug #142775 and bug #147015
 603         if [ -e /dev/device-mapper ] && [ ! -e /dev/mapper/control ]
 604         then
 605                 mkdir -p /dev/mapper
 606                 ln -sf /dev/device-mapper /dev/mapper/control
 607         fi
 608
 609         if [ "${USE_MDADM}" = '1' ]
 610         then
 611                 if [ -e '/sbin/mdadm' ]
 612                 then
 613                         /sbin/mdadm --assemble --scan
 614                 else
 615                         bad_msg "mdadm not found: skipping mdadm raid assembly!"
 616                 fi
 617         fi
 618
 619         if [ "${USE_DMRAID_NORMAL}" = '1' ]
 620         then
 621                 if [ -e '/sbin/dmraid' ]
 622                 then
 623                         good_msg "Activating Device-Mapper RAID(s)"
 624                         if [ '${DMRAID_OPTS}' = '' ]
 625                         then
 626                                 /sbin/dmraid -ay
 627                         else
 628                                 /sbin/dmraid -ay ${DMRAID_OPTS}
 629                         fi
 630                 fi
 631         fi
 632
 633         if [ "${USE_LVM_NORMAL}" = '1' ]
 634         then
 635                 if [ -e '/bin/lvm' ]
 636                 then
 637                         for dev in ${RAID_DEVICES}
 638                         do
 639                                 setup_md_device "${dev}"
 640                         done
 641
 642                         # This is needed for /bin/lvm to accept the following logic
 643                         lvm_commands="#! /bin/lvm"
 644
 645                         # If there is a cahe, update it. Unbreak at least dmcrypt
 646                         [ -d /etc/lvm/cache ] && lvm_commands="${lvm_commands} \nvgscan"
 647
 648                         # To activate volumegroups on all devices in the cache
 649                         lvm_commands="${lvm_commands} \nvgchange -ay --sysinit"
 650
 651                         # To create symlinks so users can use real_root=/dev/vg/root
 652                         # This needs to run after vgchange, using vgchange --mknodes is too
 653                         # early.
 654                         lvm_commands="${lvm_commands} \nvgmknodes --ignorelockingfailure"
 655
 656                         # And finally execute it all (/proc/... needed if lvm is compiled without readline)
 657                         good_msg "Scanning for and activating Volume Groups"
 658                         printf "%b\n" "${lvm_commands}" | /bin/lvm /proc/self/fd/0
 659                 else
 660                         bad_msg "vgscan or vgchange not found: skipping LVM volume group activation!"
 661                 fi
 662         fi
 663
 664         if [ "${USE_ZFS}" = '1' ]
 665         then
 666                 if [ -z "${ZFS_POOL}" ]
 667                 then
 668                         good_msg "Importing ZFS pools"
 669
 670                         /sbin/zpool import -N -a "${ZPOOL_FORCE}"
 671
 672                         if [ "$?" = '0' ]
 673                         then
 674                                 good_msg "Importing ZFS pools succeeded"
 675                         else
 676                                 bad_msg "Imported ZFS pools failed"
 677                         fi
 678                 else
 679
 680                         if [ "$(zpool list -H -o name ${ZFS_POOL} 2>&1)" = "$ZFS_POOL" ]
 681                         then
 682                                 good_msg "ZFS pool ${ZFS_POOL} already imported."
 683
 684                                 if [ -n "${CRYPT_ROOT}" -o -n "${CRYPT_SWAP}" ]
 685                                 then
 686                                         good_msg "LUKS detected. Reimporting ${ZFS_POOL}"
 687                                         /sbin/zpool export -f "${ZFS_POOL}"
 688                                         /sbin/zpool import -N "${ZPOOL_FORCE}" "${ZFS_POOL}"
 689                                 fi
 690                         else
 691                                 good_msg "Importing ZFS pool ${ZFS_POOL}"
 692
 693                                 /sbin/zpool import -N "${ZPOOL_FORCE}" "${ZFS_POOL}"
 694
 695                                 if [ "$?" = '0' ]
 696                                 then
 697                                         good_msg "Importing ${ZFS_POOL} succeeded"
 698                                 else
 699                                         bad_msg "Importing ${ZFS_POOL} failed"
 700                                 fi
 701                         fi
 702                 fi
 703         fi
 704 }
 705
 706 startiscsi() {
 707
 708         if [ ! -n "${ISCSI_NOIBFT}" ]
 709         then
 710                 good_msg "Activating iSCSI via iBFT"
 711                 iscsistart -b
 712         fi
 713
 714         if [ -n "${ISCSI_INITIATORNAME}" ] && [ -n "${ISCSI_TARGET}" ] && [ -n "${ISCSI_ADDRESS}" ]
 715         then
 716                 good_msg "Activating iSCSI via cmdline"
 717
 718                 if [ "${ISCSI_TGPT}" ]
 719                 then
 720                         ADDITIONAL="${ADDITIONAL} -g ${ISCSI_TGPT}"
 721                 else
 722                         ADDITIONAL="${ADDITIONAL} -g 1"
 723                 fi
 724
 725                 if [ "${ISCSI_PORT}" ]
 726                 then
 727                         ADDITIONAL="${ADDITIONAL} -p ${ISCSI_PORT}"
 728                 fi
 729
 730                 if [ "${ISCSI_USERNAME}" ]
 731                 then
 732                         ADDITIONAL="${ADDITIONAL} -u ${ISCSI_USERNAME}"
 733                 fi
 734
 735                 if [ "${ISCSI_PASSWORD}" ]
 736                 then
 737                         ADDITIONAL="${ADDITIONAL} -w ${ISCSI_PASSWORD}"
 738                 fi
 739
 740                 if [ "${ISCSI_USERNAME_IN}" ]
 741                 then
 742                         ADDITIONAL="${ADDITIONAL} -U ${ISCSI_USERNAME_IN}"
 743                 fi
 744
 745                 if [ "${ISCSI_PASSWORD_IN}" ]
 746                 then
 747                         ADDITIONAL="${ADDITIONAL} -W ${ISCSI_PASSWORD_IN}"
 748                 fi
 749
 750                 if [ "${ISCSI_DEBUG}" ]
 751                 then
 752                         ADDITIONAL="${ADDITIONAL} -d ${ISCSI_DEBUG}"
 753                 fi
 754
 755                 iscsistart -i "${ISCSI_INITIATORNAME}" -t "${ISCSI_TARGET}" -a "${ISCSI_ADDRESS}" ${ADDITIONAL}
 756
 757                 # let iscsid settle - otherwise mounting the iSCSI-disk will fail (very rarely, though)
 758                 sleep 1
 759         fi
 760 }
 761
 762
 763 # Open a LUKS device
 764 # It is either the root or a swap, other devices are supported in the scripts provided with sys-fs/cryptsetup-luks
 765 # $1 - root/swap
 766 openLUKS() {
 767         # please use 'tr' and this line, or remove it
 768         # eval local TYPE=`uppercase $1`
 769
 770         case $1 in
 771                 root)
 772                         local TYPE=ROOT
 773                         ;;
 774                 swap)
 775                         local TYPE=SWAP
 776                         ;;
 777         esac
 778
 779         eval local LUKS_DEVICE='"${CRYPT_'${TYPE}'}"' LUKS_NAME="$1" LUKS_KEY='"${CRYPT_'${TYPE}'_KEY}"' LUKS_KEYDEV='"${CRYPT_'${TYPE}'_KEYDEV}"' LUKS_TRIM='"${CRYPT_'${TYPE}'_TRIM}"'
 780         local DEV_ERROR=0 KEY_ERROR=0 KEYDEV_ERROR=0
 781         local mntkey="/mnt/key/" cryptsetup_options=''
 782
 783         [ ! -e /sbin/cryptsetup ] && bad_msg "The ramdisk does not support LUKS" && exit 1
 784         while [ 1 ]
 785         do
 786                 local gpg_cmd=""
 787                 # if crypt_silent=1 and some error occurs, enter shell quietly
 788                 if [ \( ${CRYPT_SILENT} -eq 1 \) -a \( \( \( ${DEV_ERROR} -eq 1 \) -o \( ${KEY_ERROR} -eq 1 \) \) -o \( ${KEYDEV_ERROR} -eq 1 \) \) ]
 789                 then
 790                         run_shell
 791                 elif [ ${DEV_ERROR} -eq 1 ]
 792                 then
 793                         prompt_user "LUKS_DEVICE" "${LUKS_NAME}"
 794                         DEV_ERROR=0
 795                 elif [ ${KEY_ERROR} -eq 1 ]
 796                 then
 797                         prompt_user "LUKS_KEY" "${LUKS_NAME} key"
 798                         KEY_ERROR=0
 799                 elif [ ${KEYDEV_ERROR} -eq 1 ]
 800                 then
 801                         prompt_user "LUKS_KEYDEV" "${LUKS_NAME} key device"
 802                         KEYDEV_ERROR=0
 803                 else
 804                         case "${LUKS_DEVICE}" in
 805                                 UUID\=*|LABEL\=*)
 806                                         local REAL_LUKS=""
 807                                         local retval=1
 808
 809                                         if [ "${retval}" -ne 0 ]; then
 810                                                 REAL_LUKS=`findfs "${LUKS_DEVICE}" 2>/dev/null`
 811                                                 retval=$?
 812                                         fi
 813
 814                                         if [ "$retval" -ne 0 ]; then
 815                                                 REAL_LUKS=`busybox findfs "${LUKS_DEVICE}" 2>/dev/null`
 816                                                 retval=$?
 817                                         fi
 818
 819                                         if [ "${retval}" -ne 0 ]; then
 820                                                 REAL_LUKS=`blkid -o device -l -t "${LUKS_DEVICE}"`
 821                                                 retval=$?
 822                                         fi
 823
 824                                         if [ "${retval}" -eq 0 ] && [ -n "${REAL_LUKS}" ]; then
 825                                                 good_msg "Detected device ${REAL_LUKS}"
 826                                                 LUKS_DEVICE="${REAL_LUKS}"
 827                                         fi
 828                                 ;;
 829                         esac
 830
 831                         setup_md_device ${LUKS_DEVICE}
 832                         cryptsetup isLuks ${LUKS_DEVICE}
 833                         if [ $? -ne 0 ]
 834                         then
 835                                 bad_msg "The LUKS device ${LUKS_DEVICE} does not contain a LUKS header" ${CRYPT_SILENT}
 836                                 DEV_ERROR=1
 837                                 continue
 838                         else
 839                                 # Handle keys
 840                                 if [ "x${LUKS_TRIM}" = "xyes" ]
 841                                 then
 842                                         good_msg "Enabling TRIM support for ${LUKS_NAME}." ${CRYPT_SILENT}
 843                                         cryptsetup_options="${cryptsetup_options} --allow-discards"
 844                                 fi
 845
 846                                 if [ -n "${LUKS_KEY}" ]
 847                                 then
 848                                         if [ ! -e "${mntkey}${LUKS_KEY}" ]
 849                                         then
 850                                                 if [ -b "${LUKS_KEYDEV}" ]
 851                                                 then good_msg "Using key device ${LUKS_KEYDEV}." ${CRYPT_SILENT}
 852                                                 else
 853                                                         good_msg "Please insert removable device ${LUKS_KEYDEV} for ${LUKS_NAME}" ${CRYPT_SILENT}
 854                                                         # abort after 10 secs
 855                                                         local count=10
 856                                                         while [ ${count} -gt 0 ]
 857                                                         do
 858                                                                 count=$((count-1))
 859                                                                 sleep 1
 860                                                                 if [ -b "${LUKS_KEYDEV}" ]
 861                                                                 then
 862                                                                         good_msg "Removable device ${LUKS_KEYDEV} detected." ${CRYPT_SILENT}
 863                                                                         break
 864                                                                 fi
 865                                                         done
 866                                                         if [ ! -b "${LUKS_KEYDEV}" ]
 867                                                         then
 868                                                                 eval CRYPT_${TYPE}_KEY=${LUKS_KEY}
 869                                                                 bootstrapKey ${TYPE}
 870                                                                 eval LUKS_KEYDEV='"${CRYPT_'${TYPE}'_KEYDEV}"'
 871                                                                 if [ ! -b "${LUKS_KEYDEV}" ]; then
 872                                                                         KEYDEV_ERROR=1
 873                                                                         bad_msg "Removable device ${LUKS_KEYDEV} not found." ${CRYPT_SILENT}
 874                                                                         continue
 875                                                                 fi
 876                                                                 # continue otherwise will mount keydev which is mounted by bootstrap
 877                                                                 continue
 878                                                         fi
 879                                                 fi
 880                                                 # At this point a device was recognized, now let's see if the key is there
 881                                                 [ ! -d "$mntkey" ] && mkdir -p ${mntkey} 2>/dev/null >/dev/null
 882
 883                                                 mount -n -o ro ${LUKS_KEYDEV} ${mntkey} >/dev/null 2>/dev/null
 884                                                 if [ "$?" != '0' ]
 885                                                 then
 886                                                         KEYDEV_ERROR=1
 887                                                         bad_msg "Mounting of device ${LUKS_KEYDEV} failed." ${CRYPT_SILENT}
 888                                                         continue
 889                                                 else
 890                                                         good_msg "Removable device ${LUKS_KEYDEV} mounted." ${CRYPT_SILENT}
 891                                                         sleep 2
 892                                                         # keyfile exists?
 893                                                         if [ ! -e "${mntkey}${LUKS_KEY}" ]; then
 894                                                                 umount -n ${mntkey} 2>/dev/null >/dev/null
 895                                                                 KEY_ERROR=1
 896                                                                 KEYDEV_ERROR=1
 897                                                                 bad_msg "Key {LUKS_KEY} on device ${LUKS_KEYDEV} not found." ${CRYPT_SILENT}
 898                                                                 continue
 899                                                         fi
 900                                                 fi
 901                                         fi
 902                                         # At this point a candidate key exists (either mounted before or not)
 903                                         good_msg "${LUKS_KEY} on device ${LUKS_KEYDEV} found" ${CRYPT_SILENT}
 904                                         if [ "$(echo ${LUKS_KEY} | grep -o '.gpg$')" = ".gpg" ] && [ -e /sbin/gpg ] ; then
 905                                                 [ -e /dev/tty ] && mv /dev/tty /dev/tty.org
 906                                                 mknod /dev/tty c 5 1
 907                                                 cryptsetup_options="${cryptsetup_options} -d -"
 908                                                 gpg_cmd="/sbin/gpg --logger-file /dev/null --quiet --decrypt ${mntkey}${LUKS_KEY} |"
 909                                         else
 910                                                 cryptsetup_options="${cryptsetup_options} -d ${mntkey}${LUKS_KEY}"
 911                                         fi
 912                                 fi
 913                                 # At this point, keyfile or not, we're ready!
 914                                 crypt_filter "${gpg_cmd}cryptsetup ${cryptsetup_options} luksOpen ${LUKS_DEVICE} ${LUKS_NAME}"
 915                                 crypt_filter_ret=$?
 916
 917                                 [ -e /dev/tty.org ] \
 918                                         && rm -f /dev/tty \
 919                                         && mv /dev/tty.org /dev/tty
 920
 921                                 if [ ${crypt_filter_ret} -eq 0 ]
 922                                 then
 923                                         good_msg "LUKS device ${LUKS_DEVICE} opened" ${CRYPT_SILENT}
 924                                         break
 925                                 else
 926                                         bad_msg "Failed to open LUKS device ${LUKS_DEVICE}" ${CRYPT_SILENT}
 927                                         DEV_ERROR=1
 928                                         KEY_ERROR=1
 929                                         KEYDEV_ERROR=1
 930                                 fi
 931                         fi
 932                 fi
 933         done
 934         umount ${mntkey} 2>/dev/null >/dev/null
 935         rmdir -p ${mntkey} 2>/dev/null >/dev/null
 936 }
 937
 938 startLUKS() {
 939
 940         # if key is set but key device isn't, find it
 941
 942         [ -n "${CRYPT_ROOT_KEY}" ] && [ -z "${CRYPT_ROOT_KEYDEV}" ] \
 943                 && sleep 6 && bootstrapKey "ROOT"
 944
 945         if [ -n "${CRYPT_ROOT}" ]; then
 946                 openLUKS "root"
 947                 if [ -n "${REAL_ROOT}" ]
 948                 then
 949                         # Rescan volumes
 950                         startVolumes
 951                 else
 952                         REAL_ROOT="/dev/mapper/root"
 953                 fi
 954         fi
 955
 956         # same for swap, but no need to sleep if root was unencrypted
 957         [ -n "${CRYPT_SWAP_KEY}" ] && [ -z "${CRYPT_SWAP_KEYDEV}" ] \
 958                 && { [ -z "${CRYPT_ROOT}" ] && sleep 6; bootstrapKey "SWAP"; }
 959
 960         if [ -n "${CRYPT_SWAP}" ]; then
 961                 openLUKS "swap"
 962                 if [ -z "${REAL_RESUME}" ]
 963                 then
 964                         # Resume from swap as default
 965                         REAL_RESUME="/dev/mapper/swap"
 966                 fi
 967         fi
 968 }
 969
 970 sdelay() {
 971         # Sleep a specific number of seconds if SDELAY is set
 972         if [ "${SDELAY}" ]
 973         then
 974                 good_msg "Waiting ${SDELAY} seconds..."
 975                 sleep ${SDELAY}
 976         elif [ "${CDROOT}" = '1' ]
 977         then
 978                 # many CD/DVD drives require extra sleep, especially when
 979                 # connected via USB. Many people reported that 1 second sleep
 980                 # is not enough on their notebooks, that's why sleep 3, when booting
 981                 # off a livecd is a better default.
 982                 sleep 3
 983         else
 984                 good_msg 'Hint: Use parameter scandelay[=seconds] if you need waiting here'
 985         fi
 986 }
 987
 988 quiet_kmsg() {
 989         # if QUIET is set make the kernel less chatty
 990         [ -n "$QUIET" ] && echo '0' > /proc/sys/kernel/printk
 991 }
 992
 993 verbose_kmsg() {
 994         # if QUIET is set make the kernel less chatty
 995         [ -n "$QUIET" ] && echo '6' > /proc/sys/kernel/printk
 996 }
 997
 998
 999 cdupdate() {
1000         if [ "${CDROOT}" = '1' ]
1001         then
1002                 if [ -x /${CDROOT_PATH}/cdupdate.sh ]
1003                 then
1004                         good_msg "Running cdupdate.sh"
1005                         ${CDROOT_PATH}/cdupdate.sh
1006                         if [ "$?" != '0' ]
1007                         then
1008                                 bad_msg "Executing cdupdate.sh failed!"
1009                                 run_shell
1010                         fi
1011                 else
1012                         good_msg 'No cdupdate.sh script found, skipping...'
1013                 fi
1014         fi
1015 }
1016
1017 setup_btrfsctl() {
1018         # start BTRFS volume detection, if available
1019         [ -x /sbin/btrfsctl ] && /sbin/btrfsctl -a
1020 }
1021
1022 setup_md_device() {
1023         local device
1024
1025         [ -z "$1" ] && device="${REAL_ROOT}" || device="$1"
1026         [ -z "${device}" ] && return # LiveCD
1027
1028         if [ `echo ${device}|sed -e 's#\(luks:\)\?\(/dev/md\)[[:digit:]]\+#\2#'` = "/dev/md" ]
1029         then
1030                 good_msg 'Detected real_root as a md device. Setting up the device node...'
1031                 MD_NUMBER=`echo ${device}|sed -e 's#\(luks:\)\?/dev/md\([[:digit:]]\+\)#\2#'`
1032                 if [ ! -e /dev/md${MD_NUMBER} ]
1033                 then
1034                         mknod /dev/md${MD_NUMBER} b 9 ${MD_NUMBER} >/dev/null 2>&1
1035                         [ $? -ne 0 ] && bad_msg "Creation of /dev/md${MD_NUMBER} failed..."
1036                 fi
1037                 mdstart ${MDPART} /dev/md${MD_NUMBER}
1038         fi
1039 }
1040
1041 do_rundebugshell() {
1042         good_msg 'Type "exit" to continue with normal bootup.'
1043         [ -x /bin/sh ] && /bin/sh || /bin/ash
1044 }
1045
1046 rundebugshell() {
1047         if [ -n "$DEBUG" ]
1048         then
1049                 good_msg 'Starting debug shell as requested by "debug" option.'
1050                 do_rundebugshell
1051         fi
1052 }
1053
1054 do_resume() {
1055         if [ -d /proc/suspend2 -o -d /sys/power/suspend2 -o -d /sys/power/tuxonice ]; then
1056                 tuxonice_resume
1057         else
1058                 swsusp_resume
1059         fi
1060 }
1061
1062 swsusp_resume() {
1063         # determine swap resume partition
1064         local device=$(ls -lL "${REAL_RESUME}" | sed 's/\  */ /g' | cut -d \  -f 5-6 | sed 's/,\ */:/')
1065         [ -f /sys/power/resume ] && echo "${device}" > /sys/power/resume
1066 }
1067
1068 tuxonice_resume() {
1069         local splash_theme
1070         if grep "splash=" /proc/cmdline > /dev/null 2>&1; then
1071                 splash_theme=$(cat /proc/cmdline | sed 's/.*splash=/splash=/' | sed 's/ .*//' | sed 's/.*theme://' | sed 's/,.*//')
1072         fi
1073
1074         local tuxonice_userui_program="/sys/power/tuxonice/user_interface/program"
1075         local tuxonice_do_resume="/sys/power/tuxonice/do_resume"
1076         local tuxonice_resumedev="/sys/power/tuxonice/resume"
1077         local tuxonice_replace_swsusp="/sys/power/tuxonice/replace_swsusp"
1078
1079         #
1080         # Backward compatibility
1081         #
1082         if [ -e /sys/power/suspend2 ]; then
1083                 tuxonice_userui_program="/sys/power/suspend2/user_interface/program"
1084                 tuxonice_do_resume="/sys/power/suspend2/do_resume"
1085                 tuxonice_resumedev="/sys/power/suspend2/resume"
1086                 tuxonice_replace_swsusp="/sys/power/suspend2/replace_swsusp"
1087         elif [ -e /proc/suspend2 ]; then
1088                 tuxonice_userui_program="/proc/suspend2/userui_program"
1089                 tuxonice_do_resume="/proc/suspend2/do_resume"
1090                 tuxonice_resumedev="/proc/suspend2/resume"
1091                 tuxonice_replace_swsusp="/proc/suspend2/replace_swsusp"
1092         fi
1093
1094         # if 'use_swsusp' is given, use swsusp instead
1095         if grep "use_swsusp" /proc/cmdline > /dev/null 2>&1; then
1096                 echo 0 > ${tuxonice_replace_swsusp}
1097                 swsusp_resume
1098                 return
1099         fi
1100
1101         modules_scan tuxonice
1102
1103         # we both configure tuxonice and activate resuming,
1104         # however the kernel will resume only if an image is found
1105
1106         if ! grep suspend_noui /proc/cmdline > /dev/null 2>&1; then
1107                 which suspend2ui_text > /dev/null 2>&1 && which suspend2ui_text > "${tuxonice_userui_program}"
1108                 which tuxoniceui_text > /dev/null 2>&1 && which tuxoniceui_text > "${tuxonice_userui_program}"
1109
1110                 if [ -n "${splash_theme}" ]; then
1111                         ln -s /etc/splash/${splash_theme} /etc/splash/suspend2
1112                         ln -s /etc/splash/${splash_theme} /etc/splash/tuxonice
1113
1114                         which suspend2ui_fbsplash > /dev/null 2>&1 && which suspend2ui_fbsplash > "${tuxonice_userui_program}"
1115                         which tuxoniceui_fbsplash > /dev/null 2>&1 && which tuxoniceui_fbsplash > "${tuxonice_userui_program}"
1116                 fi
1117
1118         fi
1119         echo "${REAL_RESUME}" > "${tuxonice_resumedev}"
1120         echo > "${tuxonice_do_resume}"
1121 }
1122
1123 find_loop() {
1124         for loop in ${LOOPS}
1125         do
1126                 if [ -e "${CDROOT_PATH}""${loop}" ]
1127                 then
1128                         LOOP="${loop}"
1129                 fi
1130         done
1131 }
1132
1133 find_looptype() {
1134         LOOPTYPE="${LOOP##*.}"
1135         [ "${LOOPTYPE}" == "loop" ] && LOOPTYPE="normal"
1136         [ "${LOOP}" == "/zisofs" ] && LOOPTYPE="${LOOP#/}"
1137         [ -z "${LOOPTYPE}" ] && LOOPTYPE="noloop"
1138 }
1139
1140 getdvhoff() {
1141         echo $(( $(hexdump -n 4 -s $((316 + 12 * $2)) -e '"%i"' $1) * 512))
1142 }
1143
1144 setup_squashfs_aufs() {
1145         (
1146         # Setup aufs directories and vars
1147         local overlay=/mnt/overlay
1148         local static=/mnt/livecd
1149
1150         for i in "${overlay}" "${static}"; do
1151                 [ ! -d "${i}" ] && mkdir -p "${i}"
1152         done
1153         good_msg "Loading aufs"
1154         modprobe aufs > /dev/null 2>&1
1155
1156         mount -t squashfs -o loop,ro "${CDROOT_PATH}/${LOOPEXT}${LOOP}" "${static}"
1157         mount -t tmpfs none "${overlay}"
1158         mount -t aufs -o br:${overlay}:${static} aufs "${NEW_ROOT}"
1159
1160         [ ! -d "${NEW_ROOT}${overlay}" ] && mkdir -p "${NEW_ROOT}${overlay}"
1161         [ ! -d "${NEW_ROOT}${static}" ] && mkdir -p "${NEW_ROOT}${static}"
1162         echo "aufs / aufs defaults 0 0" > "${NEW_ROOT}"/etc/fstab
1163         for i in "${overlay}" "${static}"; do mount --move "${i}" "${NEW_ROOT}${i}"; done
1164
1165         # have handy /mnt/cdrom (CDROOT_PATH) as well
1166         local new_cdroot="${NEW_ROOT}${CDROOT_PATH}"
1167         [ ! -d "${new_cdroot}" ] && mkdir -p "${new_cdroot}"
1168         mount --bind "${CDROOT_PATH}" "${new_cdroot}"
1169         )
1170 }
1171
1172 setup_unionfs() {
1173         local rw_dir=$1
1174         local ro_dir=$2
1175         if [ "${USE_UNIONFS_NORMAL}" = '1' ]
1176         then
1177                 # Directory used for rw changes in union mount filesystem
1178                 UNION=/union
1179 #               MEMORY=/memory
1180 #               if [ -z "$UID" ]
1181 #               then
1182 #                       CHANGES=$MEMORY/unionfs_changes/default
1183 #               else
1184 #                       CHANGES=$MEMORY/unionfs_changes/$UID
1185 #               fi
1186
1187 #               mkdir -p ${MEMORY}
1188                 mkdir -p ${UNION}
1189                 good_msg "Loading fuse module"
1190                 modprobe fuse > /dev/null 2>&1
1191 #                 if [ -n "${UNIONFS}" ]
1192 #                 then
1193 #                         CHANGESDEV=${UNIONFS}
1194 #                         good_msg "mounting $CHANGESDEV to $MEMORY for unionfs support"
1195 #                         mount -t auto $CHANGESDEV $MEMORY
1196 #                         # mount tmpfs only in the case when changes= boot parameter was
1197 #                         # empty or we were not able to mount the storage device
1198 #                         ret=$?
1199 #                         if [ ${ret} -ne 0 ]
1200 #                         then
1201 #                                 bad_msg "mount of $CHANGESDEV failed falling back to ramdisk based unionfs"
1202 #                                 mount -t tmpfs tmpfs $MEMORY
1203 #                         fi
1204 #                         if [ "${CDROOT}" -eq '1' -a ! -f ${MEMORY}/livecd.unionfs  ]
1205 #                         then
1206 #                                 umount $MEMORY
1207 #                                 bad_msg "failed to find livecd.unionfs file on $CHANGESDEV"
1208 #                                 bad_msg "create a livecd.unionfs file on this device if you wish to use it for unionfs"
1209 #                                 bad_msg "falling back to ramdisk based unionfs for safety"
1210 #                                 mount -t tmpfs tmpfs $MEMORY
1211 #                         fi
1212 #                 else
1213 #                         good_msg "Mounting ramdisk to $MEMORY for unionfs support..."
1214 #                         mount -t tmpfs tmpfs $MEMORY
1215 #                 fi
1216
1217                 mkdir /tmp
1218                 mkdir -p ${UNION}
1219 #               mkdir -p $CHANGES
1220 #               mount -t unionfs -o dirs=$CHANGES=rw unionfs ${UNION}
1221                 good_msg "Creating union mount"
1222                 unionfs -o allow_other,cow,noinitgroups,suid,dev,default_permissions,use_ino ${rw_dir}=RW:${ro_dir}=RO ${UNION} 2>/dev/null
1223                 ret=$?
1224                 if [ ${ret} -ne 0 ]
1225                 then
1226                         bad_msg "Can't setup union mount!"
1227                         USE_UNIONFS_NORMAL=0
1228                 fi
1229                 [ ! -d "${NEW_ROOT}${CDROOT_PATH}" ] && mkdir -p "${NEW_ROOT}${CDROOT_PATH}"
1230                 mount --bind "${CDROOT_PATH}" "${NEW_ROOT}${CDROOT_PATH}"
1231         else
1232                 USE_UNIONFS_NORMAL=0
1233         fi
1234 }
1235
1236 get_mounts_list()
1237 {
1238         awk '
1239                 /^[[:blank:]]*#/ { next }
1240                 { print $1 }
1241                 ' ${NEW_ROOT}/etc/initramfs.mounts
1242 }
1243
1244 get_mount_fstype()
1245 {
1246         [ -e "${NEW_ROOT}"/etc/fstab ] || return 1
1247         awk -v fs="$1" '
1248                 /^[[:blank:]]*#/ { next }
1249                 $2 == fs { print $3 }
1250                 ' ${NEW_ROOT}/etc/fstab
1251 }
1252
1253 get_mount_options()
1254 {
1255         [ -e "${NEW_ROOT}"/etc/fstab ] || return 1
1256         awk -v fs="$1" '
1257                 /^[[:blank:]]*#/ { next }
1258                 $2 == fs { print $4 }
1259                 ' ${NEW_ROOT}/etc/fstab
1260 }
1261
1262 get_mount_device()
1263 {
1264         [ -e "${NEW_ROOT}"/etc/fstab ] || return 1
1265         awk -v fs="$1" '
1266                 /^[[:blank:]]*#/ { next }
1267                 $2 == fs { print $1 }
1268                 ' ${NEW_ROOT}/etc/fstab
1269 }
1270
1271 # If the kernel is handed a mount option is does not recognize, it WILL fail to
1272 # mount. util-linux handles auto/noauto, but busybox passes it straight to the kernel
1273 # which then rejects the mount.
1274 # To make like a little easier, busybox mount does not care about leading,
1275 # trailing or duplicate commas.
1276 strip_mount_options()
1277 {
1278         sed -r 's/(,|^)(no)?auto(,|$)/,/g'
1279 }