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