usr.sbin/bsdinstall/scripts/zfsboot

   1 #!/bin/sh
   2 #-
   3 # Copyright (c) 2013 Allan Jude
   4 # Copyright (c) 2013 Devin Teske
   5 # All rights reserved.
   6 #
   7 # Redistribution and use in source and binary forms, with or without
   8 # modification, are permitted provided that the following conditions
   9 # are met:
  10 # 1. Redistributions of source code must retain the above copyright
  11 #    notice, this list of conditions and the following disclaimer.
  12 # 2. Redistributions in binary form must reproduce the above copyright
  13 #    notice, this list of conditions and the following disclaimer in the
  14 #    documentation and/or other materials provided with the distribution.
  15 #
  16 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26 # SUCH DAMAGE.
  27 #
  28 # $FreeBSD$
  29 #
  30 ############################################################ INCLUDES
  31
  32 BSDCFG_SHARE="/usr/share/bsdconfig"
  33 . $BSDCFG_SHARE/common.subr || exit 1
  34 f_dprintf "%s: loading includes..." "$0"
  35 f_include $BSDCFG_SHARE/device.subr
  36 f_include $BSDCFG_SHARE/dialog.subr
  37 f_include $BSDCFG_SHARE/password/password.subr
  38 f_include $BSDCFG_SHARE/variable.subr
  39
  40 ############################################################ CONFIGURATION
  41
  42 #
  43 # Default name of the boot-pool
  44 #
  45 : ${ZFSBOOT_POOL_NAME:=zroot}
  46
  47 #
  48 # Default name for the boot environment parent dataset
  49 #
  50 : ${ZFSBOOT_BEROOT_NAME:=ROOT}
  51
  52 #
  53 # Default name for the primany boot environment
  54 #
  55 : ${ZFSBOOT_BOOTFS_NAME:=default}
  56
  57 #
  58 # Default Virtual Device (vdev) type to create
  59 #
  60 : ${ZFSBOOT_VDEV_TYPE:=stripe}
  61
  62 #
  63 # Should we use gnop(8) to configure a transparent mapping to 4K sectors?
  64 #
  65 : ${ZFSBOOT_GNOP_4K_FORCE_ALIGN:=1}
  66
  67 #
  68 # Should we use geli(8) to encrypt the drives?
  69 # NB: Automatically enables ZFSBOOT_BOOT_POOL
  70 #
  71 : ${ZFSBOOT_GELI_ENCRYPTION=}
  72
  73 #
  74 # Default path to the geli(8) keyfile used in drive encryption
  75 #
  76 : ${ZFSBOOT_GELI_KEY_FILE:=/boot/encryption.key}
  77
  78 #
  79 # Create a separate boot pool?
  80 # NB: Automatically set when using geli(8) or MBR
  81 #
  82 : ${ZFSBOOT_BOOT_POOL=}
  83
  84 #
  85 # Default name for boot pool when enabled (e.g., geli(8) or MBR)
  86 #
  87 : ${ZFSBOOT_BOOT_POOL_NAME:=bootpool}
  88
  89 #
  90 # Default size for boot pool when enabled (e.g., geli(8) or MBR)
  91 #
  92 : ${ZFSBOOT_BOOT_POOL_SIZE:=2g}
  93
  94 #
  95 # Default disks to use (always empty unless being scripted)
  96 #
  97 : ${ZFSBOOT_DISKS:=}
  98
  99 #
 100 # Default partitioning scheme to use on disks
 101 #
 102 : ${ZFSBOOT_PARTITION_SCHEME:=GPT}
 103
 104 #
 105 # How much swap to put on each block device in the boot zpool
 106 # NOTE: Value passed to gpart(8); which supports SI unit suffixes.
 107 #
 108 : ${ZFSBOOT_SWAP_SIZE:=2g}
 109
 110 #
 111 # Default ZFS datasets for root zpool
 112 #
 113 # NOTE: Requires /tmp, /var/tmp, /$ZFSBOOT_BOOTFS_NAME/$ZFSBOOT_BOOTFS_NAME
 114 # NOTE: Anything after pound/hash character [#] is ignored as a comment.
 115 #
 116 f_isset ZFSBOOT_DATASETS || ZFSBOOT_DATASETS="
 117         # DATASET       OPTIONS (comma or space separated; or both)
 118
 119         # Boot Environment [BE] root and default boot dataset
 120         /$ZFSBOOT_BEROOT_NAME                           mountpoint=none
 121         /$ZFSBOOT_BEROOT_NAME/$ZFSBOOT_BOOTFS_NAME      mountpoint=/
 122
 123         # Compress /tmp, allow exec but not setuid
 124         /tmp            mountpoint=/tmp,compression=lz4,exec=on,setuid=off
 125
 126         # Don't mount /usr so that 'base' files go to the BEROOT
 127         /usr            mountpoint=/usr,canmount=off
 128
 129         # Home directories separated so they are common to all BEs
 130         /usr/home       # NB: /home is a symlink to /usr/home
 131
 132         # Ports tree
 133         /usr/ports              compression=lz4,setuid=off
 134
 135         # Source tree (compressed)
 136         /usr/src        compression=lz4,exec=off,setuid=off
 137
 138         # Create /var and friends
 139         /var            mountpoint=/var
 140         /var/crash      compression=lz4,exec=off,setuid=off
 141         /var/log        compression=lz4,exec=off,setuid=off
 142         /var/mail       compression=lz4,atime=on
 143         /var/tmp        compression=lz4,exec=on,setuid=off
 144 " # END-QUOTE
 145
 146 #
 147 # If interactive and the user has not explicitly chosen a vdev type or disks,
 148 # make the user confirm scripted/default choices when proceeding to install.
 149 #
 150 : ${ZFSBOOT_CONFIRM_LAYOUT:=1}
 151
 152 ############################################################ GLOBALS
 153
 154 #
 155 # Format of a line in printf(1) syntax to add to fstab(5)
 156 #
 157 FSTAB_FMT="%s\t\t%s\t%s\t%s\t\t%s\t%s\n"
 158
 159 #
 160 # Command strings for various tasks
 161 #
 162 CHMOD_MODE='chmod %s "%s"'
 163 DD_WITH_OPTIONS='dd if="%s" of="%s" %s'
 164 ECHO_APPEND='echo "%s" >> "%s"'
 165 GELI_ATTACH='geli attach -j - -k "%s" "%s"'
 166 GELI_DETACH_F='geli detach -f "%s"'
 167 GELI_PASSWORD_INIT='geli init -b -B "%s" -e %s -J - -K "%s" -l 256 -s 4096 "%s"'
 168 GNOP_CREATE='gnop create -S 4096 "%s"'
 169 GNOP_DESTROY='gnop destroy "%s"'
 170 GPART_ADD='gpart add -t %s "%s"'
 171 GPART_ADD_INDEX='gpart add -i %s -t %s "%s"'
 172 GPART_ADD_INDEX_WITH_SIZE='gpart add -i %s -t %s -s %s "%s"'
 173 GPART_ADD_LABEL='gpart add -l %s -t %s "%s"'
 174 GPART_ADD_LABEL_WITH_SIZE='gpart add -l %s -t %s -s %s "%s"'
 175 GPART_BOOTCODE='gpart bootcode -b "%s" "%s"'
 176 GPART_BOOTCODE_PART='gpart bootcode -b "%s" -p "%s" -i %s "%s"'
 177 GPART_CREATE='gpart create -s %s "%s"'
 178 GPART_DESTROY_F='gpart destroy -F "%s"'
 179 GPART_SET_ACTIVE='gpart set -a active -i %s "%s"'
 180 GRAID_DELETE='graid delete "%s"'
 181 LN_SF='ln -sf "%s" "%s"'
 182 MKDIR_P='mkdir -p "%s"'
 183 MOUNT_TYPE='mount -t %s "%s" "%s"'
 184 PRINTF_CONF="printf '%s=\"%%s\"\\\n' %s >> \"%s\""
 185 PRINTF_FSTAB='printf "$FSTAB_FMT" "%s" "%s" "%s" "%s" "%s" "%s" >> "%s"'
 186 SHELL_TRUNCATE=':> "%s"'
 187 UMOUNT='umount "%s"'
 188 ZFS_CREATE_WITH_OPTIONS='zfs create %s "%s"'
 189 ZFS_SET='zfs set "%s" "%s"'
 190 ZFS_UNMOUNT='zfs unmount "%s"'
 191 ZPOOL_CREATE_WITH_OPTIONS='zpool create %s "%s" %s %s'
 192 ZPOOL_EXPORT='zpool export "%s"'
 193 ZPOOL_IMPORT_WITH_OPTIONS='zpool import %s "%s"'
 194 ZPOOL_LABELCLEAR_F='zpool labelclear -f "%s"'
 195 ZPOOL_SET='zpool set %s "%s"'
 196
 197 #
 198 # Strings that should be moved to an i18n file and loaded with f_include_lang()
 199 #
 200 hline_alnum_arrows_punc_tab_enter="Use alnum, arrows, punctuation, TAB or ENTER"
 201 hline_arrows_space_tab_enter="Use arrows, SPACE, TAB or ENTER"
 202 hline_arrows_tab_enter="Press arrows, TAB or ENTER"
 203 msg_an_unknown_error_occurred="An unknown error occurred"
 204 msg_back="Back"
 205 msg_cancel="Cancel"
 206 msg_change_selection="Change Selection"
 207 msg_configure_options="Configure Options:"
 208 msg_detailed_disk_info="gpart(8) show %s:\n%s\n\ncamcontrol(8) inquiry %s:\n%s\n\n\ncamcontrol(8) identify %s:\n%s\n"
 209 msg_disk_info="Disk Info"
 210 msg_disk_info_help="Get detailed information on disk device(s)"
 211 msg_encrypt_disks="Encrypt Disks?"
 212 msg_encrypt_disks_help="Use geli(8) to encrypt all data partitions"
 213 msg_error="Error"
 214 msg_force_4k_sectors="Force 4K Sectors?"
 215 msg_force_4k_sectors_help="Use gnop(8) to configure forced 4K sector alignment"
 216 msg_freebsd_installer="FreeBSD Installer"
 217 msg_geli_password="Enter a strong passphrase, used to protect your encryption keys. You will be required to enter this passphrase each time the system is booted"
 218 msg_geli_setup="Initializing encryption on selected disks,\n this will take several seconds per disk"
 219 msg_install="Install"
 220 msg_install_desc="Proceed with Installation"
 221 msg_install_help="Create ZFS boot pool with displayed options"
 222 msg_invalid_boot_pool_size="Invalid boot pool size \`%s'"
 223 msg_invalid_disk_argument="Invalid disk argument \`%s'"
 224 msg_invalid_index_argument="Invalid index argument \`%s'"
 225 msg_invalid_swap_size="Invalid swap size \`%s'"
 226 msg_invalid_virtual_device_type="Invalid Virtual Device type \`%s'"
 227 msg_last_chance_are_you_sure="Last Chance! Are you sure you want to destroy\nthe current contents of the following disks:\n\n   %s"
 228 msg_last_chance_are_you_sure_color='\\ZrLast Chance!\\ZR Are you \\Z1sure\\Zn you want to \\Zr\\Z1destroy\\Zn\nthe current contents of the following disks:\n\n   %s'
 229 msg_mirror_desc="Mirror - n-Way Mirroring"
 230 msg_mirror_help="[2+ Disks] Mirroring provides the best performance, but the least storage"
 231 msg_missing_disk_arguments="missing disk arguments"
 232 msg_missing_one_or_more_scripted_disks="Missing one or more scripted disks!"
 233 msg_no="NO"
 234 msg_no_disks_present_to_configure="No disk(s) present to configure"
 235 msg_no_disks_selected="No disks selected."
 236 msg_not_enough_disks_selected="Not enough disks selected. (%u < %u minimum)"
 237 msg_null_disk_argument="NULL disk argument"
 238 msg_null_index_argument="NULL index argument"
 239 msg_null_poolname="NULL poolname"
 240 msg_ok="OK"
 241 msg_partition_scheme="Partition Scheme"
 242 msg_partition_scheme_help="Toggle between GPT and MBR partitioning schemes"
 243 msg_please_enter_a_name_for_your_zpool="Please enter a name for your zpool:"
 244 msg_please_enter_amount_of_swap_space="Please enter amount of swap space (SI-Unit suffixes\nrecommended; e.g., \`2g' for 2 Gigabytes):"
 245 msg_please_select_one_or_more_disks="Please select one or more disks to create a zpool:"
 246 msg_pool_name="Pool Name"
 247 msg_pool_name_cannot_be_empty="Pool name cannot be empty."
 248 msg_pool_name_help="Customize the name of the zpool to be created (Required)"
 249 msg_pool_type_disks="Pool Type/Disks:"
 250 msg_pool_type_disks_help="Choose type of ZFS Virtual Device and disks to use (Required)"
 251 msg_processing_selection="Processing selection..."
 252 msg_raidz1_desc="RAID-Z1 - Single Redundant RAID"
 253 msg_raidz1_help="[3+ Disks] Withstand failure of 1 disk. Recommended for: 3, 5 or 9 disks"
 254 msg_raidz2_desc="RAID-Z2 - Double Redundant RAID"
 255 msg_raidz2_help="[4+ Disks] Withstand failure of 2 disks. Recommended for: 4, 6 or 10 disks"
 256 msg_raidz3_desc="RAID-Z3 - Triple Redundant RAID"
 257 msg_raidz3_help="[5+ Disks] Withstand failure of 3 disks. Recommended for: 5, 7 or 11 disks"
 258 msg_rescan_devices="Rescan Devices"
 259 msg_rescan_devices_help="Scan for device changes"
 260 msg_select="Select"
 261 msg_select_a_disk_device="Select a disk device"
 262 msg_select_virtual_device_type="Select Virtual Device type:"
 263 msg_stripe_desc="Stripe - No Redundancy"
 264 msg_stripe_help="[1+ Disks] Striping provides maximum storage but no redundancy"
 265 msg_swap_size="Swap Size"
 266 msg_swap_size_help="Customize how much swap space is allocated to each selected disk"
 267 msg_these_disks_are_too_small="These disks are too small given the amount of requested\nswap (%s) and/or geli(8) (%s) partitions, which would\ntake 50%% or more of each of the following selected disk\ndevices (not recommended):\n\n  %s\n\nRecommend changing partition size(s) and/or selecting a\ndifferent set of devices."
 268 msg_unable_to_get_disk_capacity="Unable to get disk capacity of \`%s'"
 269 msg_unsupported_partition_scheme="%s is an unsupported partition scheme"
 270 msg_user_cancelled="User Cancelled."
 271 msg_yes="YES"
 272 msg_zfs_configuration="ZFS Configuration"
 273
 274 ############################################################ FUNCTIONS
 275
 276 # dialog_menu_main
 277 #
 278 # Display the dialog(1)-based application main menu.
 279 #
 280 dialog_menu_main()
 281 {
 282         local title="$DIALOG_TITLE"
 283         local btitle="$DIALOG_BACKTITLE"
 284         local prompt="$msg_configure_options"
 285         local force4k="$msg_no"
 286         local usegeli="$msg_no"
 287         [ "$ZFSBOOT_GNOP_4K_FORCE_ALIGN" ] && force4k="$msg_yes"
 288         [ "$ZFSBOOT_GELI_ENCRYPTION" ] && usegeli="$msg_yes"
 289         local disks n=$( set -- $ZFSBOOT_DISKS; echo $# )
 290         { [ $n -eq 1 ] && disks=disk; } || disks=disks # grammar
 291         local menu_list="
 292                 '>>> $msg_install'        '$msg_install_desc'
 293                                           '$msg_install_help'
 294                 'T $msg_pool_type_disks'  '$ZFSBOOT_VDEV_TYPE: $n $disks'
 295                                           '$msg_pool_type_disks_help'
 296                 '- $msg_rescan_devices'   '*'
 297                                           '$msg_rescan_devices_help'
 298                 '- $msg_disk_info'        '*'
 299                                           '$msg_disk_info_help'
 300                 'N $msg_pool_name'        '$ZFSBOOT_POOL_NAME'
 301                                           '$msg_pool_name_help'
 302                 '4 $msg_force_4k_sectors' '$force4k'
 303                                           '$msg_force_4k_sectors_help'
 304                 'E $msg_encrypt_disks'    '$usegeli'
 305                                           '$msg_encrypt_disks_help'
 306                 'P $msg_partition_scheme' '$ZFSBOOT_PARTITION_SCHEME'
 307                                           '$msg_partition_scheme_help'
 308                 'S $msg_swap_size'        '$ZFSBOOT_SWAP_SIZE'
 309                                           '$msg_swap_size_help'
 310         " # END-QUOTE
 311         local defaultitem= # Calculated below
 312         local hline="$hline_alnum_arrows_punc_tab_enter"
 313
 314         local height width rows
 315         eval f_dialog_menu_with_help_size height width rows \
 316                 \"\$title\" \"\$btitle\" \"\$prompt\" \"\$hline\" $menu_list
 317
 318         # Obtain default-item from previously stored selection
 319         f_dialog_default_fetch defaultitem
 320
 321         local menu_choice
 322         menu_choice=$( eval $DIALOG \
 323                 --title \"\$title\"              \
 324                 --backtitle \"\$btitle\"         \
 325                 --hline \"\$hline\"              \
 326                 --item-help                      \
 327                 --ok-label \"\$msg_select\"      \
 328                 --cancel-label \"\$msg_cancel\"  \
 329                 --default-item \"\$defaultitem\" \
 330                 --menu \"\$prompt\"              \
 331                 $height $width $rows             \
 332                 $menu_list                       \
 333                 2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
 334         )
 335         local retval=$?
 336         f_dialog_data_sanitize menu_choice
 337         f_dialog_menutag_store "$menu_choice"
 338
 339         # Only update default-item on success
 340         [ $retval -eq $DIALOG_OK ] && f_dialog_default_store "$menu_choice"
 341
 342         return $retval
 343 }
 344
 345 # dialog_last_chance $disks ...
 346 #
 347 # Display a list of the disks that the user is about to destroy. The default
 348 # action is to return error status unless the user explicitly (non-default)
 349 # selects "Yes" from the noyes dialog.
 350 #
 351 dialog_last_chance()
 352 {
 353         local title="$DIALOG_TITLE"
 354         local btitle="$DIALOG_BACKTITLE"
 355         local prompt # Calculated below
 356         local hline="$hline_arrows_tab_enter"
 357
 358         local height=8 width=50 prefix="   "
 359         local plen=${#prefix} list= line=
 360         local max_width=$(( $width - 3 - $plen ))
 361
 362         local yes no defaultno extra_args format
 363         if [ "$USE_XDIALOG" ]; then
 364                 yes=ok no=cancel defaultno=default-no
 365                 extra_args="--wrap --left"
 366                 format="$msg_last_chance_are_you_sure"
 367         else
 368                 yes=yes no=no defaultno=defaultno
 369                 extra_args="--colors --cr-wrap"
 370                 format="$msg_last_chance_are_you_sure_color"
 371         fi
 372
 373         local disk line_width
 374         for disk in $*; do
 375                 if [ "$line" ]; then
 376                         line_width=${#line}
 377                 else
 378                         line_width=$plen
 379                 fi
 380                 line_width=$(( $line_width + 1 + ${#disk} ))
 381                 # Add newline before disk if it would exceed max_width
 382                 if [ $line_width -gt $max_width ]; then
 383                         list="$list$line\n"
 384                         line="$prefix"
 385                         height=$(( $height + 1 ))
 386                 fi
 387                 # Add the disk to the list
 388                 line="$line $disk"
 389         done
 390         # Append the left-overs
 391         if [ "${line#$prefix}" ]; then
 392                 list="$list$line"
 393                 height=$(( $height + 1 ))
 394         fi
 395
 396         # Add height for Xdialog(1)
 397         [ "$USE_XDIALOG" ] && height=$(( $height + $height / 5 + 3 ))
 398
 399         prompt=$( printf "$format" "$list" )
 400         f_dprintf "%s: Last Chance!" "$0"
 401         $DIALOG \
 402                 --title "$title"        \
 403                 --backtitle "$btitle"   \
 404                 --hline "$hline"        \
 405                 --$defaultno            \
 406                 --$yes-label "$msg_yes" \
 407                 --$no-label "$msg_no"   \
 408                 $extra_args             \
 409                 --yesno "$prompt" $height $width
 410 }
 411
 412 # dialog_menu_layout
 413 #
 414 # Configure Virtual Device type and disks to use for the ZFS boot pool. User
 415 # must select enough disks to satisfy the chosen vdev type.
 416 #
 417 dialog_menu_layout()
 418 {
 419         local funcname=dialog_menu_layout
 420         local title="$DIALOG_TITLE"
 421         local btitle="$DIALOG_BACKTITLE"
 422         local vdev_prompt="$msg_select_virtual_device_type"
 423         local disk_prompt="$msg_please_select_one_or_more_disks"
 424         local vdev_menu_list="
 425                 'stripe' '$msg_stripe_desc' '$msg_stripe_help'
 426                 'mirror' '$msg_mirror_desc' '$msg_mirror_help'
 427                 'raidz1' '$msg_raidz1_desc' '$msg_raidz1_help'
 428                 'raidz2' '$msg_raidz2_desc' '$msg_raidz2_help'
 429                 'raidz3' '$msg_raidz3_desc' '$msg_raidz3_help'
 430         " # END-QUOTE
 431         local disk_check_list= # Calculated below
 432         local vdev_hline="$hline_arrows_tab_enter"
 433         local disk_hline="$hline_arrows_space_tab_enter"
 434
 435         # Warn the user if vdev type is not valid
 436         case "$ZFSBOOT_VDEV_TYPE" in
 437         stripe|mirror|raidz1|raidz2|raidz3) : known good ;;
 438         *)
 439                 f_dprintf "%s: Invalid virtual device type \`%s'" \
 440                           $funcname "$ZFSBOOT_VDEV_TYPE"
 441                 f_show_err "$msg_invalid_virtual_device_type" \
 442                            "$ZFSBOOT_VDEV_TYPE"
 443                 f_interactive || return $FAILURE
 444         esac
 445
 446         # Calculate size of vdev menu once only
 447         local vheight vwidth vrows
 448         eval f_dialog_menu_with_help_size vheight vwidth vrows \
 449                 \"\$title\" \"\$btitle\" \"\$vdev_prompt\" \"\$vdev_hline\" \
 450                 $vdev_menu_list
 451
 452         # Get a list of probed disk devices
 453         local disks=
 454         f_device_find "" $DEVICE_TYPE_DISK disks
 455         f_dprintf "$funcname: disks=[%s]" "$disks"
 456         if [ ! "$disks" ]; then
 457                 f_dprintf "No disk(s) present to configure"
 458                 f_show_err "$msg_no_disks_present_to_configure"
 459                 return $FAILURE
 460         fi
 461
 462         # Lets sort the disks array to be more user friendly
 463         disks=$( echo "$disks" | tr ' ' '\n' | sort | tr '\n' ' ' )
 464
 465         #
 466         # Operate in a loop so we can (if interactive) repeat if not enough
 467         # disks are selected to satisfy the chosen vdev type or user wants to
 468         # back-up to the previous menu.
 469         #
 470         local vardisk ndisks onoff selections vdev_choice
 471         while :; do
 472                 #
 473                 # Confirm the vdev type that was selected
 474                 #
 475                 if f_interactive && [ "$ZFSBOOT_CONFIRM_LAYOUT" ]; then
 476                         vdev_choice=$( eval $DIALOG \
 477                                 --title \"\$title\"              \
 478                                 --backtitle \"\$btitle\"         \
 479                                 --hline \"\$vdev_hline\"         \
 480                                 --ok-label \"\$msg_ok\"          \
 481                                 --cancel-label \"\$msg_cancel\"  \
 482                                 --item-help                      \
 483                                 --default-item \"\$ZFSBOOT_VDEV_TYPE\" \
 484                                 --menu \"\$vdev_prompt\"         \
 485                                 $vheight $vwidth $vrows          \
 486                                 $vdev_menu_list                  \
 487                                 2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
 488                         ) || return $?
 489                                 # Exit if user pressed ESC or chose Cancel/No
 490                         f_dialog_data_sanitize vdev_choice
 491
 492                         ZFSBOOT_VDEV_TYPE="$vdev_choice"
 493                         f_dprintf "$funcname: ZFSBOOT_VDEV_TYPE=[%s]" \
 494                                   "$ZFSBOOT_VDEV_TYPE"
 495                 fi
 496
 497                 # Determine the number of disks needed for this vdev type
 498                 local want_disks=0
 499                 case "$ZFSBOOT_VDEV_TYPE" in
 500                 stripe) want_disks=1 ;;
 501                 mirror) want_disks=2 ;;
 502                 raidz1) want_disks=3 ;;
 503                 raidz2) want_disks=4 ;;
 504                 raidz3) want_disks=5 ;;
 505                 esac
 506
 507                 # Warn the user if any scripted disks are invalid
 508                 local disk valid_disks=
 509                 local all_valid=${ZFSBOOT_DISKS:+1} # optimism
 510                 for disk in $ZFSBOOT_DISKS; do
 511                         if f_struct device_$disk; then
 512                                 valid_disks="$valid_disks $disk"
 513                                 continue
 514                         fi
 515                         f_dprintf "$funcname: \`%s' is not a real disk" "$disk"
 516                         all_valid=
 517                 done
 518                 if [ ! "$all_valid" ]; then
 519                         if [ "$ZFSBOOT_DISKS" ]; then
 520                                 f_show_err \
 521                                     "$msg_missing_one_or_more_scripted_disks"
 522                         else
 523                                 f_dprintf "No disks selected."
 524                                 f_interactive ||
 525                                         f_show_err "$msg_no_disks_selected"
 526                         fi
 527                         f_interactive || return $FAILURE
 528                 fi
 529                 ZFSBOOT_DISKS="${valid_disks# }"
 530
 531                 #
 532                 # Short-circuit if we're running non-interactively
 533                 #
 534                 if ! f_interactive || [ ! "$ZFSBOOT_CONFIRM_LAYOUT" ]; then
 535                         ndisks=$( set -- $ZFSBOOT_DISKS; echo $# )
 536                         [ $ndisks -ge $want_disks ] && break # to success
 537
 538                         # Not enough disks selected
 539                         f_dprintf "$funcname: %s: %s (%u < %u minimum)" \
 540                                   "$ZFSBOOT_VDEV_TYPE" \
 541                                   "Not enough disks selected." \
 542                                   $ndisks $want_disks
 543                         f_interactive || return $FAILURE
 544                         msg_yes="$msg_change_selection" msg_no="$msg_cancel" \
 545                                 f_yesno "%s: $msg_not_enough_disks_selected" \
 546                                 "$ZFSBOOT_VDEV_TYPE" $ndisks $want_disks ||
 547                                 return $FAILURE
 548                 fi
 549
 550                 #
 551                 # Confirm the disks that were selected
 552                 # Loop until the user cancels or selects enough disks
 553                 #
 554                 local breakout=
 555                 while :; do
 556                         # Loop over list of available disks, resetting state
 557                         for disk in $disks; do unset _${disk}_status; done
 558
 559                         # Loop over list of selected disks and create temporary
 560                         # locals to map statuses onto up-to-date list of disks
 561                         for disk in $ZFSBOOT_DISKS; do
 562                                 local _${disk}_status=on
 563                         done
 564
 565                         # Create the checklist menu of discovered disk devices
 566                         disk_check_list=
 567                         for disk in $disks; do
 568                                 local desc=
 569                                 device_$disk get desc desc
 570                                 f_shell_escape "$desc" desc
 571                                 f_getvar _${disk}_status:-off onoff
 572                                 disk_check_list="$disk_check_list
 573                                         $disk '$desc' $onoff"
 574                         done
 575
 576                         local height width rows
 577                         eval f_dialog_checklist_size height width rows \
 578                                 \"\$title\" \"\$btitle\" \"\$prompt\" \
 579                                 \"\$hline\" $disk_check_list
 580
 581                         selections=$( eval $DIALOG \
 582                                 --title \"\$DIALOG_TITLE\"         \
 583                                 --backtitle \"\$DIALOG_BACKTITLE\" \
 584                                 --hline \"\$hline\"                \
 585                                 --ok-label \"\$msg_ok\"            \
 586                                 --cancel-label \"\$msg_back\"      \
 587                                 --checklist \"\$prompt\"           \
 588                                 $height $width $rows               \
 589                                 $disk_check_list                   \
 590                                 2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
 591                         ) || break
 592                                 # Loop if user pressed ESC or chose Cancel/No
 593                         f_dialog_data_sanitize selections
 594
 595                         ZFSBOOT_DISKS="$selections"
 596                         f_dprintf "$funcname: ZFSBOOT_DISKS=[%s]" \
 597                                   "$ZFSBOOT_DISKS"
 598
 599                         ndisks=$( set -- $ZFSBOOT_DISKS; echo $# )
 600                         [ $ndisks -ge $want_disks ] &&
 601                                 breakout=break && break
 602
 603                         # Not enough disks selected
 604                         f_dprintf "$funcname: %s: %s (%u < %u minimum)" \
 605                                   "$ZFSBOOT_VDEV_TYPE" \
 606                                   "Not enough disks selected." \
 607                                   $ndisks $want_disks
 608                         msg_yes="$msg_change_selection" msg_no="$msg_cancel" \
 609                                 f_yesno "%s: $msg_not_enough_disks_selected" \
 610                                 "$ZFSBOOT_VDEV_TYPE" $ndisks $want_disks ||
 611                                 break
 612                 done
 613                 [ "$breakout" = "break" ] && break
 614                 [ "$ZFSBOOT_CONFIRM_LAYOUT" ] || return $FAILURE
 615         done
 616
 617         return $DIALOG_OK
 618 }
 619
 620 # zfs_create_diskpart $disk $index
 621 #
 622 # For each block device to be used in the zpool, rather than just create the
 623 # zpool with the raw block devices (e.g., da0, da1, etc.) we create partitions
 624 # so we can have some real swap. This also provides wiggle room incase your
 625 # replacement drivers do not have the exact same sector counts.
 626 #
 627 # NOTE: $swapsize and $bootsize should be defined by the calling function.
 628 # NOTE: Sets $bootpart and $targetpart for the calling function.
 629 #
 630 zfs_create_diskpart()
 631 {
 632         local funcname=zfs_create_diskpart
 633         local disk="$1" index="$2"
 634
 635         # Check arguments
 636         if [ ! "$disk" ]; then
 637                 f_dprintf "$funcname: NULL disk argument"
 638                 msg_error="$msg_error: $funcname" \
 639                         f_show_err "$msg_null_disk_argument"
 640                 return $FAILURE
 641         fi
 642         if [ "${disk#*[$IFS]}" != "$disk" ]; then
 643                 f_dprintf "$funcname: Invalid disk argument \`%s'" "$disk"
 644                 msg_error="$msg_error: $funcname" \
 645                         f_show_err "$msg_invalid_disk_argument" "$disk"
 646                 return $FAILURE
 647         fi
 648         if [ ! "$index" ]; then
 649                 f_dprintf "$funcname: NULL index argument"
 650                 msg_error="$msg_error: $funcname" \
 651                         f_show_err "$msg_null_index_argument"
 652                 return $FAILURE
 653         fi
 654         if ! f_isinteger "$index"; then
 655                 f_dprintf "$funcname: Invalid index argument \`%s'" "$index"
 656                 msg_error="$msg_error: $funcname" \
 657                         f_show_err "$msg_invalid_index_argument" "$index"
 658                 return $FAILURE
 659         fi
 660         f_dprintf "$funcname: disk=[%s] index=[%s]" "$disk" "$index"
 661
 662         # Check for unknown partition scheme before proceeding further
 663         case "$ZFSBOOT_PARTITION_SCHEME" in
 664         ""|MBR|GPT) : known good ;;
 665         *)
 666                 f_dprintf "$funcname: %s is an unsupported partition scheme" \
 667                           "$ZFSBOOT_PARTITION_SCHEME"
 668                 msg_error="$msg_error: $funcname" f_show_err \
 669                         "$msg_unsupported_partition_scheme" \
 670                         "$ZFSBOOT_PARTITION_SCHEME"
 671                 return $FAILURE
 672         esac
 673
 674         #
 675         # Destroy whatever partition layout is currently on disk.
 676         # NOTE: `-F' required to destroy if partitions still exist.
 677         # NOTE: Failure is ok here, blank disk will have nothing to destroy.
 678         #
 679         f_dprintf "$funcname: Destroying all data/layouts on \`%s'..." "$disk"
 680         f_eval_catch -d $funcname gpart "$GPART_DESTROY_F" $disk
 681         f_eval_catch -d $funcname graid "$GRAID_DELETE" $disk
 682         f_eval_catch -d $funcname zpool "$ZPOOL_LABELCLEAR_F" /dev/$disk
 683
 684         # Make doubly-sure backup GPT is destroyed
 685         f_eval_catch -d $funcname gpart "$GPART_CREATE" gpt $disk
 686         f_eval_catch -d $funcname gpart "$GPART_DESTROY_F" $disk
 687
 688         #
 689         # Enable boot pool if encryption is desired
 690         #
 691         [ "$ZFSBOOT_GELI_ENCRYPTION" ] && ZFSBOOT_BOOT_POOL=1
 692
 693         #
 694         # Lay down the desired type of partition scheme
 695         #
 696         local setsize mbrindex
 697         case "$ZFSBOOT_PARTITION_SCHEME" in
 698         ""|GPT) f_dprintf "$funcname: Creating GPT layout..."
 699                 #
 700                 # 1. Create GPT layout using labels
 701                 #
 702                 f_eval_catch $funcname gpart "$GPART_CREATE" gpt $disk ||
 703                              return $FAILURE
 704
 705                 #
 706                 # 2. Add small freebsd-boot partition labeled `boot#'
 707                 #
 708                 f_eval_catch $funcname gpart "$GPART_ADD_LABEL_WITH_SIZE" \
 709                              gptboot$index freebsd-boot 512k $disk ||
 710                              return $FAILURE
 711                 f_eval_catch $funcname gpart "$GPART_BOOTCODE_PART" \
 712                              /boot/pmbr /boot/gptzfsboot 1 $disk ||
 713                              return $FAILURE
 714
 715                 # NB: zpool will use the `zfs#' GPT labels
 716                 bootpart=p2 targetpart=p2
 717                 [ ${swapsize:-0} -gt 0 ] && targetpart=p3
 718
 719                 #
 720                 # Prepare boot pool if enabled (e.g., for geli(8))
 721                 #
 722                 if [ "$ZFSBOOT_BOOT_POOL" ]; then
 723                         bootpart=p2 targetpart=p3
 724                         [ ${swapsize:-0} -gt 0 ] && targetpart=p4
 725                         f_eval_catch $funcname gpart \
 726                                      "$GPART_ADD_LABEL_WITH_SIZE" boot$index \
 727                                      freebsd-zfs ${bootsize}b $disk ||
 728                                      return $FAILURE
 729                         # Pedantically nuke any old labels
 730                         f_eval_catch -d $funcname zpool "$ZPOOL_LABELCLEAR_F" \
 731                                         /dev/$disk$bootpart
 732                         if [ "$ZFSBOOT_GELI_ENCRYPTION" ]; then
 733                                 # Pedantically detach targetpart for later
 734                                 f_eval_catch -d $funcname geli \
 735                                                 "$GELI_DETACH_F" \
 736                                                 /dev/$disk$targetpart
 737                         fi
 738                 fi
 739
 740                 #
 741                 # 3. Add freebsd-swap partition labeled `swap#'
 742                 #
 743                 if [ ${swapsize:-0} -gt 0 ]; then
 744                         f_eval_catch $funcname gpart \
 745                                      "$GPART_ADD_LABEL_WITH_SIZE" swap$index \
 746                                      freebsd-swap ${swapsize}b $disk ||
 747                                      return $FAILURE
 748                         # Pedantically nuke any old labels on the swap
 749                         f_eval_catch -d $funcname zpool "$ZPOOL_LABELCLEAR_F" \
 750                                         /dev/gpt/swap$index
 751                         # Update fstab(5)
 752                         f_eval_catch $funcname printf "$PRINTF_FSTAB" \
 753                                      /dev/gpt/swap$index none swap sw 0 0 \
 754                                      $BSDINSTALL_TMPETC/fstab ||
 755                                      return $FAILURE
 756                 fi
 757
 758                 #
 759                 # 4. Add freebsd-zfs partition labeled `zfs#' for zroot
 760                 #
 761                 f_eval_catch $funcname gpart "$GPART_ADD_LABEL" \
 762                              zfs$index freebsd-zfs $disk || return $FAILURE
 763                 f_eval_catch -d $funcname zpool "$ZPOOL_LABELCLEAR_F" \
 764                                 /dev/$disk$targetpart
 765                 ;;
 766
 767         MBR) f_dprintf "$funcname: Creating MBR layout..."
 768                 #
 769                 # 1. Create MBR layout (no labels)
 770                 #
 771                 f_eval_catch $funcname gpart "$GPART_CREATE" mbr $disk ||
 772                              return $FAILURE
 773                 f_eval_catch $funcname gpart "$GPART_BOOTCODE" /boot/mbr \
 774                              $disk || return $FAILURE
 775
 776                 #
 777                 # 2. Add freebsd slice with all available space
 778                 #
 779                 f_eval_catch $funcname gpart "$GPART_ADD" freebsd $disk ||
 780                              return $FAILURE
 781                 f_eval_catch $funcname gpart "$GPART_SET_ACTIVE" 1 $disk ||
 782                              return $FAILURE
 783                 # Pedantically nuke any old labels
 784                 f_eval_catch -d $funcname zpool "$ZPOOL_LABELCLEAR_F" \
 785                                 /dev/${disk}s1
 786                 # Pedantically nuke any old scheme
 787                 f_eval_catch -d $funcname gpart "$GPART_DESTROY_F" ${disk}s1
 788
 789                 #
 790                 # 3. Write BSD scheme to the freebsd slice
 791                 #
 792                 f_eval_catch $funcname gpart "$GPART_CREATE" BSD ${disk}s1 ||
 793                              return $FAILURE
 794
 795                 # NB: zpool will use s1a (no labels)
 796                 bootpart=s1a targetpart=s1d mbrindex=4
 797
 798                 #
 799                 # Always prepare a boot pool on MBR
 800                 #
 801                 ZFSBOOT_BOOT_POOL=1
 802                 f_eval_catch $funcname gpart \
 803                              "$GPART_ADD_INDEX_WITH_SIZE" \
 804                              1 freebsd-zfs ${bootsize}b ${disk}s1 ||
 805                              return $FAILURE
 806                 # Pedantically nuke any old labels
 807                 f_eval_catch -d $funcname zpool "$ZPOOL_LABELCLEAR_F" \
 808                                 /dev/$disk$bootpart
 809                 if [ "$ZFSBOOT_GELI_ENCRYPTION" ]; then
 810                         # Pedantically detach targetpart for later
 811                         f_eval_catch -d $funcname geli \
 812                                         "$GELI_DETACH_F" \
 813                                         /dev/$disk$targetpart
 814                 fi
 815
 816                 #
 817                 # 4. Add freebsd-swap partition
 818                 #
 819                 if [ ${swapsize:-0} -gt 0 ]; then
 820                         f_eval_catch $funcname gpart \
 821                                      "$GPART_ADD_INDEX_WITH_SIZE" 2 \
 822                                      freebsd-swap ${swapsize}b ${disk}s1 ||
 823                                      return $FAILURE
 824                         # Pedantically nuke any old labels on the swap
 825                         f_eval_catch -d $funcname zpool "$ZPOOL_LABELCLEAR_F" \
 826                                         /dev/${disk}s1b
 827                         # Update fstab(5)
 828                         f_eval_catch $funcname printf "$PRINTF_FSTAB" \
 829                                      /dev/${disk}s1b none swap sw 0 0 \
 830                                      $BSDINSTALL_TMPETC/fstab ||
 831                                      return $FAILURE
 832                 fi
 833
 834                 #
 835                 # 5. Add freebsd-zfs partition for zroot
 836                 #
 837                 f_eval_catch $funcname gpart "$GPART_ADD_INDEX" \
 838                              $mbrindex freebsd-zfs ${disk}s1 || return $FAILURE
 839                 f_eval_catch -d $funcname zpool "$ZPOOL_LABELCLEAR_F" \
 840                                 /dev/$disk$targetpart # Pedantic
 841                 f_eval_catch $funcname dd "$DD_WITH_OPTIONS" \
 842                              /boot/zfsboot /dev/${disk}s1 count=1 ||
 843                              return $FAILURE
 844                 ;;
 845
 846         esac # $ZFSBOOT_PARTITION_SCHEME
 847
 848         return $SUCCESS
 849 }
 850
 851 # zfs_create_boot $poolname $vdev_type $disks ...
 852 #
 853 # Creates boot pool and dataset layout. Returns error if something goes wrong.
 854 # Errors are printed to stderr for collection and display.
 855 #
 856 zfs_create_boot()
 857 {
 858         local funcname=zfs_create_boot
 859         local zroot_name="$1"
 860         local zroot_vdevtype="$2"
 861         local zroot_vdevs= # Calculated below
 862         local boot_vdevs= # Used for geli(8) and/or MBR layouts
 863         shift 2 # poolname vdev_type
 864         local disks="$*" disk
 865         local bootpart targetpart # Set by zfs_create_diskpart() below
 866
 867         #
 868         # Pedantic checks; should never be seen
 869         #
 870         if [ ! "$zroot_name" ]; then
 871                 f_dprintf "$funcname: NULL poolname"
 872                 msg_error="$msg_error: $funcname" \
 873                         f_show_err "$msg_null_poolname"
 874                 return $FAILURE
 875         fi
 876         if [ $# -lt 1 ]; then
 877                 f_dprintf "$funcname: missing disk arguments"
 878                 msg_error="$msg_error: $funcname" \
 879                         f_show_err "$msg_missing_disk_arguments"
 880                 return $FAILURE
 881         fi
 882         f_dprintf "$funcname: poolname=[%s] vdev_type=[%s]" \
 883                   "$zroot_name" "$zroot_vdevtype"
 884
 885         #
 886         # Initialize fstab(5)
 887         #
 888         f_dprintf "$funcname: Initializing temporary fstab(5) file..."
 889         f_eval_catch $funcname sh "$SHELL_TRUNCATE" $BSDINSTALL_TMPETC/fstab ||
 890                      return $FAILURE
 891         f_eval_catch $funcname printf "$PRINTF_FSTAB" \
 892                      "# Device" Mountpoint FStype Options Dump "Pass#" \
 893                      $BSDINSTALL_TMPETC/fstab || return $FAILURE
 894
 895         #
 896         # Expand SI units in desired sizes
 897         #
 898         f_dprintf "$funcname: Expanding supplied size values..."
 899         local swapsize bootsize
 900         if ! f_expand_number "$ZFSBOOT_SWAP_SIZE" swapsize; then
 901                 f_dprintf "$funcname: Invalid swap size \`%s'" \
 902                           "$ZFSBOOT_SWAP_SIZE"
 903                 f_show_err "$msg_invalid_swap_size" "$ZFSBOOT_SWAP_SIZE"
 904                 return $FAILURE
 905         fi
 906         if ! f_expand_number "$ZFSBOOT_BOOT_POOL_SIZE" bootsize; then
 907                 f_dprintf "$funcname: Invalid boot pool size \`%s'" \
 908                           "$ZFSBOOT_BOOT_POOL_SIZE"
 909                 f_show_err "$msg_invalid_boot_pool_size" \
 910                            "$ZFSBOOT_BOOT_POOL_SIZE"
 911                 return $FAILURE
 912         fi
 913         f_dprintf "$funcname: ZFSBOOT_SWAP_SIZE=[%s] swapsize=[%s]" \
 914                   "$ZFSBOOT_SWAP_SIZE" "$swapsize"
 915         f_dprintf "$funcname: ZFSBOOT_BOOT_POOL_SIZE=[%s] bootsize=[%s]" \
 916                   "$ZFSBOOT_BOOT_POOL_SIZE" "$bootsize"
 917
 918         #
 919         # Prepare the disks and build pool device list(s)
 920         #
 921         f_dprintf "$funcname: Preparing disk partitions for ZFS pool..."
 922         [ "$ZFSBOOT_GNOP_4K_FORCE_ALIGN" ] &&
 923                 f_dprintf "$funcname: With 4k alignment using gnop(8)..."
 924         local n=0
 925         for disk in $disks; do
 926                 zfs_create_diskpart $disk $n || return $FAILURE
 927                 # Now $bootpart and $targetpart are set (suffix for $disk)
 928
 929                 # Forced 4k alignment support using Geom NOP (see gnop(8))
 930                 if [ "$ZFSBOOT_GNOP_4K_FORCE_ALIGN" ]; then
 931                         if [ "$ZFSBOOT_BOOT_POOL" ]; then
 932                                 boot_vdevs="$boot_vdevs $disk$bootpart.nop"
 933                                 f_eval_catch $funcname gnop "$GNOP_CREATE" \
 934                                              $disk$bootpart || return $FAILURE
 935                         fi
 936                         # Don't gnop encrypted partition
 937                         if [ "$ZFSBOOT_GELI_ENCRYPTION" ]; then
 938                                 zroot_vdevs="$zroot_vdevs $disk$targetpart.eli"
 939                         else
 940                                 zroot_vdevs="$zroot_vdevs $disk$targetpart.nop"
 941                                 f_eval_catch $funcname gnop "$GNOP_CREATE" \
 942                                              $disk$targetpart ||
 943                                              return $FAILURE
 944                         fi
 945                 else
 946                         if [ "$ZFSBOOT_BOOT_POOL" ]; then
 947                                 boot_vdevs="$boot_vdevs $disk$bootpart"
 948                         fi
 949                         zroot_vdevs="$zroot_vdevs $disk$targetpart"
 950                 fi
 951
 952                 n=$(( $n + 1 ))
 953         done # disks
 954
 955         #
 956         # If we need/want a boot pool, create it
 957         #
 958         if [ "$ZFSBOOT_BOOT_POOL" ]; then
 959                 local bootpool_vdevtype= # Calculated below
 960                 local bootpool_options= # Calculated below
 961                 local bootpool_name="$ZFSBOOT_BOOT_POOL_NAME"
 962                 local bootpool="$BSDINSTALL_CHROOT/$bootpool_name"
 963                 local zroot_key="${ZFSBOOT_GELI_KEY_FILE#/}"
 964
 965                 f_dprintf "$funcname: Setting up boot pool..."
 966                 [ "$ZFSBOOT_GELI_ENCRYPTION" ] &&
 967                         f_dprintf "$funcname: For encrypted root disk..."
 968
 969                 # Create parent directory for boot pool
 970                 f_eval_catch -d $funcname umount "$UMOUNT" /mnt
 971                 f_eval_catch $funcname mount "$MOUNT_TYPE" tmpfs none \
 972                              $BSDINSTALL_CHROOT || return $FAILURE
 973
 974                 # Create mirror across the boot partition on all disks
 975                 [ $( set -- $boot_vdevs; echo $# ) -gt 1 ] &&
 976                         bootpool_vdevtype=mirror
 977
 978                 bootpool_options="-o altroot=$BSDINSTALL_CHROOT"
 979                 bootpool_options="$bootpool_options -m \"/$bootpool_name\" -f"
 980                 f_eval_catch $funcname zpool "$ZPOOL_CREATE_WITH_OPTIONS" \
 981                              "$bootpool_options" "$bootpool_name" \
 982                              "$bootpool_vdevtype" "$boot_vdevs" ||
 983                              return $FAILURE
 984
 985                 f_eval_catch $funcname mkdir "$MKDIR_P" "$bootpool/boot" ||
 986                              return $FAILURE
 987
 988                 if [ "$ZFSBOOT_GELI_ENCRYPTION" ]; then
 989                         # Generate an encryption key using random(4)
 990                         f_eval_catch $funcname dd "$DD_WITH_OPTIONS" \
 991                                      /dev/random "$bootpool/$zroot_key" \
 992                                      "bs=4096 count=1" || return $FAILURE
 993                 else
 994                         # Clean up
 995                         f_eval_catch $funcname zfs "$ZFS_UNMOUNT" \
 996                                      "$bootpool_name" || return $FAILURE
 997                         f_eval_catch -d $funcname umount "$UMOUNT" /mnt # tmpfs
 998                 fi
 999
1000         fi
1001
1002         #
1003         # Create the geli(8) GEOMS
1004         #
1005         if [ "$ZFSBOOT_GELI_ENCRYPTION" ]; then
1006                 # Prompt user for password (twice)
1007                 if ! msg_enter_new_password="$msg_geli_password" \
1008                         f_dialog_input_password
1009                 then
1010                         f_dprintf "$funcname: User cancelled"
1011                         f_show_err "$msg_user_cancelled"
1012                         return $FAILURE
1013                 fi
1014
1015                 # Initialize geli(8) on each of the target partitions
1016                 for disk in $disks; do
1017                         f_dialog_info "$msg_geli_setup" \
1018                                 2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
1019                         if ! echo "$pw_password" | f_eval_catch \
1020                                 $funcname geli "$GELI_PASSWORD_INIT" \
1021                                 "$bootpool/boot/$disk$targetpart.eli" \
1022                                 AES-XTS "$bootpool/$zroot_key" \
1023                                 $disk$targetpart
1024                         then
1025                                 f_interactive || f_die
1026                                 unset pw_password # Sensitive info
1027                                 return $FAILURE
1028                         fi
1029                         if ! echo "$pw_password" | f_eval_catch \
1030                                 $funcname geli "$GELI_ATTACH" \
1031                                 "$bootpool/$zroot_key" $disk$targetpart
1032                         then
1033                                 f_interactive || f_die
1034                                 unset pw_password # Sensitive info
1035                                 return $FAILURE
1036                         fi
1037                 done
1038                 unset pw_password # Sensitive info
1039
1040                 # Clean up
1041                 f_eval_catch $funcname zfs "$ZFS_UNMOUNT" "$bootpool_name" ||
1042                         return $FAILURE
1043                 f_eval_catch -d $funcname umount "$UMOUNT" /mnt # tmpfs
1044         fi
1045
1046         #
1047         # Create the ZFS root pool with desired type and disk devices
1048         #
1049         f_dprintf "$funcname: Creating root pool..."
1050         f_eval_catch $funcname zpool "$ZPOOL_CREATE_WITH_OPTIONS" \
1051                      "-o altroot=$BSDINSTALL_CHROOT -m none -f" \
1052                      "$zroot_name" "$zroot_vdevtype" "$zroot_vdevs" ||
1053                      return $FAILURE
1054
1055         # Customize the zroot a bit...
1056         local option
1057         f_dprintf "$funcname: Setting miscellaneous options on root pool..."
1058         for option in atime=off; do
1059                 f_eval_catch $funcname zfs "$ZFS_SET" $option "$zroot_name" ||
1060                         return $FAILURE
1061         done
1062
1063         #
1064         # Create ZFS dataset layout within the new root pool
1065         #
1066         f_dprintf "$funcname: Creating ZFS datasets..."
1067         echo "$ZFSBOOT_DATASETS" | while read dataset options; do
1068                 # Skip blank lines and comments
1069                 case "$dataset" in "#"*|"") continue; esac
1070                 # Remove potential inline comments in options
1071                 options="${options%%#*}"
1072                 # Replace tabs with spaces
1073                 f_replaceall "$options" "       " " " options
1074                 # Reduce contiguous runs of space to one single space
1075                 oldoptions=
1076                 while [ "$oldoptions" != "$options" ]; do
1077                         oldoptions="$options"
1078                         f_replaceall "$options" "  " " " options
1079                 done
1080                 # Replace both commas and spaces with ` -o '
1081                 f_replaceall "$options" "[ ,]" " -o " options
1082                 # Create the dataset with desired options
1083                 f_eval_catch $funcname zfs "$ZFS_CREATE_WITH_OPTIONS" \
1084                              "${options:+-o $options}" "$zroot_name$dataset" ||
1085                              return $FAILURE
1086         done
1087
1088         # Touch up permissions on the tmp directories
1089         f_dprintf "$funcname: Modifying directory permissions..."
1090         local dir
1091         for dir in /tmp /var/tmp; do
1092                 f_eval_catch $funcname chmod "$CHMOD_MODE" 1777 \
1093                              $BSDINSTALL_CHROOTDIR$dir || return $FAILURE
1094         done
1095
1096         # Create symlink(s)
1097         if [ "$ZFSBOOT_BOOT_POOL" ]; then
1098                 f_dprintf "$funcname: Creating /boot symlink for boot pool..."
1099                 f_eval_catch $funcname ln "$LN_SF" "$bootpool_name/boot" \
1100                              $BSDINSTALL_CHROOT/boot || return $FAILURE
1101         fi
1102
1103         # Set bootfs property
1104         local zroot_bootfs="$ZFSBOOT_BEROOT_NAME/$ZFSBOOT_BOOTFS_NAME"
1105         f_dprintf "$funcname: Setting bootfs property..."
1106         f_eval_catch $funcname zpool "$ZPOOL_SET" \
1107                 "bootfs=\"$zroot_name/$zroot_bootfs\"" "$zroot_name" ||
1108                 return $FAILURE
1109
1110         # Export the pool(s)
1111         f_dprintf "$funcname: Temporarily exporting ZFS pool(s)..."
1112         f_eval_catch $funcname zpool "$ZPOOL_EXPORT" "$zroot_name" ||
1113                      return $FAILURE
1114         if [ "$ZFSBOOT_BOOT_POOL" ]; then
1115                 f_eval_catch $funcname zpool "$ZPOOL_EXPORT" \
1116                              "$bootpool_name" || return $FAILURE
1117         fi
1118
1119         # Destroy the gnop devices (if enabled)
1120         for disk in ${ZFSBOOT_GNOP_4K_FORCE_ALIGN:+$disks}; do
1121                 if [ "$ZFSBOOT_BOOT_POOL" ]; then
1122                         f_eval_catch -d $funcname gnop "$GNOP_DESTROY" \
1123                                         $disk$bootpart.nop
1124                 fi
1125                 if [ ! "$ZFSBOOT_GELI_ENCRYPTION" ]; then
1126                         f_eval_catch -d $funcname gnop "$GNOP_DESTROY" \
1127                                         $disk$targetpart.nop
1128                 fi
1129         done
1130
1131         # MBR boot loader touch-up
1132         if [ "$ZFSBOOT_PARTITION_SCHEME" = "MBR" ]; then
1133                 f_dprintf "$funcname: Updating MBR boot loader on disks..."
1134                 # Stick the ZFS boot loader in the "convienient hole" after
1135                 # the ZFS internal metadata
1136                 for disk in $disks; do
1137                         f_eval_catch $funcname dd "$DD_WITH_OPTIONS" \
1138                                      /boot/zfsboot /dev/$disk$bootpart \
1139                                      "skip=1 seek=1024" || return $FAILURE
1140                 done
1141         fi
1142
1143         # Re-import the ZFS pool(s)
1144         f_dprintf "$funcname: Re-importing ZFS pool(s)..."
1145         f_eval_catch $funcname zpool "$ZPOOL_IMPORT_WITH_OPTIONS" \
1146                      "-o altroot=\"$BSDINSTALL_CHROOT\"" "$zroot_name" ||
1147                      return $FAILURE
1148         if [ "$ZFSBOOT_BOOT_POOL" ]; then
1149                 f_eval_catch $funcname zpool "$ZPOOL_IMPORT_WITH_OPTIONS" \
1150                              "-o altroot=\"$BSDINSTALL_CHROOT\"" \
1151                              "$bootpool_name" || return $FAILURE
1152         fi
1153
1154         # While this is apparently not needed, it seems to help MBR
1155         f_dprintf "$funcname: Configuring zpool.cache for zroot..."
1156         f_eval_catch $funcname mkdir "$MKDIR_P" $BSDINSTALL_CHROOT/boot/zfs ||
1157                      return $FAILURE
1158         f_eval_catch $funcname zpool "$ZPOOL_SET" \
1159                      "cachefile=\"$BSDINSTALL_CHROOT/boot/zfs/zpool.cache\"" \
1160                      "$zroot_name" || return $FAILURE
1161
1162         # Last, but not least... required lines for rc.conf(5)/loader.conf(5)
1163         # NOTE: We later concatenate these into their destination
1164         f_dprintf "%s: Configuring rc.conf(5)/loader.conf(5) additions..." \
1165                   "$funcname"
1166         f_eval_catch $funcname echo "$ECHO_APPEND" 'zfs_enable=\"YES\"' \
1167                      $BSDINSTALL_TMPETC/rc.conf.zfs || return $FAILURE
1168         f_eval_catch $funcname echo "$ECHO_APPEND" 'zfs_load=\"YES\"' \
1169                      $BSDINSTALL_TMPBOOT/loader.conf.zfs || return $FAILURE
1170
1171         # We're all done unless we should go on for boot pool
1172         [ "$ZFSBOOT_BOOT_POOL" ] || return $SUCCESS
1173
1174         # Set cachefile for boot pool so it auto-imports at system start
1175         f_dprintf "$funcname: Configuring zpool.cache for boot pool..."
1176         f_eval_catch $funcname zpool "$ZPOOL_SET" \
1177                      "cachefile=\"$BSDINSTALL_CHROOT/boot/zfs/zpool.cache\"" \
1178                      "$bootpool_name" || return $FAILURE
1179
1180         # Some additional geli(8) requirements for loader.conf(5)
1181         for option in \
1182                 'zpool_cache_load=\"YES\"' \
1183                 'zpool_cache_type=\"/boot/zfs/zpool.cache\"' \
1184                 'zpool_cache_name=\"/boot/zfs/zpool.cache\"' \
1185         ; do
1186                 f_eval_catch $funcname echo "$ECHO_APPEND" "$option" \
1187                              $BSDINSTALL_TMPBOOT/loader.conf.zfs ||
1188                              return $FAILURE
1189         done
1190         f_eval_catch $funcname printf "$PRINTF_CONF" vfs.root.mountfrom \
1191             "\"zfs:$zroot_name/$zroot_bootfs\"" \
1192             $BSDINSTALL_TMPBOOT/loader.conf.root || return $FAILURE
1193
1194         # We're all done unless we should go on to do encryption
1195         [ "$ZFSBOOT_GELI_ENCRYPTION" ] || return $SUCCESS
1196
1197         #
1198         # Configure geli(8)-based encryption
1199         #
1200         f_dprintf "$funcname: Configuring disk encryption..."
1201         f_eval_catch $funcname echo "$ECHO_APPEND" 'aesni_load=\"YES\"' \
1202             $BSDINSTALL_TMPBOOT/loader.conf.aesni || return $FAILURE
1203         f_eval_catch $funcname echo "$ECHO_APPEND" 'geom_eli_load=\"YES\"' \
1204             $BSDINSTALL_TMPBOOT/loader.conf.geli || return $FAILURE
1205         for disk in $disks; do
1206                 f_eval_catch $funcname printf "$PRINTF_CONF" \
1207                         geli_%s_keyfile0_load "$disk$targetpart YES" \
1208                         $BSDINSTALL_TMPBOOT/loader.conf.$disk$targetpart ||
1209                         return $FAILURE
1210                 f_eval_catch $funcname printf "$PRINTF_CONF" \
1211                         geli_%s_keyfile0_type \
1212                         "$disk$targetpart $disk$targetpart:geli_keyfile0" \
1213                         $BSDINSTALL_TMPBOOT/loader.conf.$disk$targetpart ||
1214                         return $FAILURE
1215                 f_eval_catch $funcname printf "$PRINTF_CONF" \
1216                         geli_%s_keyfile0_name \
1217                         "$disk$targetpart \"$ZFSBOOT_GELI_KEY_FILE\"" \
1218                         $BSDINSTALL_TMPBOOT/loader.conf.$disk$targetpart ||
1219                         return $FAILURE
1220         done
1221
1222         return $SUCCESS
1223 }
1224
1225 # dialog_menu_diskinfo
1226 #
1227 # Prompt the user to select a disk and then provide detailed info on it.
1228 #
1229 dialog_menu_diskinfo()
1230 {
1231         local disk
1232
1233         #
1234         # Break from loop when user cancels disk selection
1235         #
1236         while :; do
1237                 disk=$( msg_cancel="$msg_back" f_device_menu \
1238                         "$DIALOG_TITLE" "$msg_select_a_disk_device" "" \
1239                         $DEVICE_TYPE_DISK 2>&1 ) || break
1240
1241                 # Show gpart(8) `show' and camcontrol(8) `inquiry' data
1242                 f_show_msg "$msg_detailed_disk_info" \
1243                         "$disk" "$( gpart show $disk 2> /dev/null )" \
1244                         "$disk" "$( camcontrol inquiry $disk 2> /dev/null )" \
1245                         "$disk" "$( camcontrol identify $disk 2> /dev/null )"
1246         done
1247
1248         return $SUCCESS
1249 }
1250
1251 ############################################################ MAIN
1252
1253 #
1254 # Initialize
1255 #
1256 f_dialog_title "$msg_zfs_configuration"
1257 f_dialog_backtitle "$msg_freebsd_installer"
1258
1259 # User may have specifically requested ZFS-related operations be interactive
1260 ! f_interactive && f_zfsinteractive && unset $VAR_NONINTERACTIVE
1261
1262 #
1263 # Debugging
1264 #
1265 f_dprintf "BSDINSTALL_CHROOT=[%s]" "$BSDINSTALL_CHROOT"
1266 f_dprintf "BSDINSTALL_TMPETC=[%s]" "$BSDINSTALL_TMPETC"
1267 f_dprintf "FSTAB_FMT=[%s]" "$FSTAB_FMT"
1268
1269 #
1270 # Loop over the main menu until we've accomplished what we came here to do
1271 #
1272 while :; do
1273         if ! f_interactive; then
1274                 retval=$DIALOG_OK
1275                 mtag=">>> $msg_install"
1276         else
1277                 dialog_menu_main
1278                 retval=$?
1279                 f_dialog_menutag_fetch mtag
1280         fi
1281
1282         f_dprintf "retval=%u mtag=[%s]" $retval "$mtag"
1283         [ $retval -eq $DIALOG_OK ] || f_die
1284
1285         case "$mtag" in
1286         ">>> $msg_install")
1287                 #
1288                 # First, validate the user's selections
1289                 #
1290
1291                 # Make sure they gave us a name for the pool
1292                 if [ ! "$ZFSBOOT_POOL_NAME" ]; then
1293                         f_dprintf "Pool name cannot be empty."
1294                         f_show_err "$msg_pool_name_cannot_be_empty"
1295                         continue
1296                 fi
1297
1298                 # Validate vdev type against number of disks selected/scripted
1299                 # (also validates that ZFSBOOT_DISKS are real [probed] disks)
1300                 # NB: dialog_menu_layout supports running non-interactively
1301                 dialog_menu_layout || continue
1302
1303                 # Make sure each disk will be at least 50% ZFS
1304                 if f_expand_number "$ZFSBOOT_SWAP_SIZE" swapsize &&
1305                    f_expand_number "$ZFSBOOT_BOOT_POOL_SIZE" bootsize
1306                 then
1307                         minsize=$swapsize teeny_disks=
1308                         [ "$ZFSBOOT_BOOT_POOL" ] &&
1309                                 minsize=$(( $minsize + $bootsize ))
1310                         for disk in $ZFSBOOT_DISKS; do
1311                                 device_$disk get capacity disksize || continue
1312                                 disksize=$(( $disksize - $minsize ))
1313                                 [ $disksize -lt $minsize ] &&
1314                                         teeny_disks="$teeny_disks $disk"
1315                         done
1316                         if [ "$teeny_disks" ]; then
1317                                 f_dprintf "swapsize=[%s] bootsize[%s] %s" \
1318                                           "$ZFSBOOT_SWAP_SIZE" \
1319                                           "$ZFSBOOT_BOOT_POOL_SIZE" \
1320                                           "minsize=[$minsize]"
1321                                 f_dprintf "These disks are too small: %s" \
1322                                           "$teeny_disks"
1323                                 f_show_err "$msg_these_disks_are_too_small" \
1324                                            "$ZFSBOOT_SWAP_SIZE" \
1325                                            "$ZFSBOOT_BOOT_POOL_SIZE" \
1326                                            "$teeny_disks"
1327                                 continue
1328                         fi
1329                 fi
1330
1331                 #
1332                 # Last Chance!
1333                 #
1334                 if f_interactive; then
1335                         dialog_last_chance $ZFSBOOT_DISKS || continue
1336                 fi
1337
1338                 #
1339                 # Let's do this
1340                 #
1341
1342                 vdev_type="$ZFSBOOT_VDEV_TYPE"
1343
1344                 # Blank the vdev type for the default layout
1345                 [ "$vdev_type" = "stripe" ] && vdev_type=
1346
1347                 zfs_create_boot "$ZFSBOOT_POOL_NAME" \
1348                                 "$vdev_type" $ZFSBOOT_DISKS || continue
1349
1350                 break # to success
1351                 ;;
1352         ?" $msg_pool_type_disks")
1353                 ZFSBOOT_CONFIRM_LAYOUT=1
1354                 dialog_menu_layout
1355                 # User has poked settings, disable later confirmation
1356                 ZFSBOOT_CONFIRM_LAYOUT=
1357                 ;;
1358         "- $msg_rescan_devices") f_device_rescan ;;
1359         "- $msg_disk_info") dialog_menu_diskinfo ;;
1360         ?" $msg_pool_name")
1361                 # Prompt the user to input/change the name for the new pool
1362                 f_dialog_input input \
1363                         "$msg_please_enter_a_name_for_your_zpool" \
1364                         "$ZFSBOOT_POOL_NAME" &&
1365                         ZFSBOOT_POOL_NAME="$input"
1366                 ;;
1367         ?" $msg_force_4k_sectors")
1368                 # Toggle the variable referenced both by the menu and later
1369                 if [ "$ZFSBOOT_GNOP_4K_FORCE_ALIGN" ]; then
1370                         ZFSBOOT_GNOP_4K_FORCE_ALIGN=
1371                 else
1372                         ZFSBOOT_GNOP_4K_FORCE_ALIGN=1
1373                 fi
1374                 ;;
1375         ?" $msg_encrypt_disks")
1376                 # Toggle the variable referenced both by the menu and later
1377                 if [ "$ZFSBOOT_GELI_ENCRYPTION" ]; then
1378                         ZFSBOOT_GELI_ENCRYPTION=
1379                 else
1380                         ZFSBOOT_GNOP_4K_FORCE_ALIGN=1
1381                         ZFSBOOT_GELI_ENCRYPTION=1
1382                 fi
1383                 ;;
1384         ?" $msg_partition_scheme")
1385                 # Toggle between GPT and MBR
1386                 if [ "$ZFSBOOT_PARTITION_SCHEME" = GPT ]; then
1387                         ZFSBOOT_PARTITION_SCHEME=MBR
1388                 else
1389                         ZFSBOOT_PARTITION_SCHEME=GPT
1390                 fi
1391                 ;;
1392         ?" $msg_swap_size")
1393                 # Prompt the user to input/change the swap size for each disk
1394                 f_dialog_input input \
1395                         "$msg_please_enter_amount_of_swap_space" \
1396                         "$ZFSBOOT_SWAP_SIZE" &&
1397                         ZFSBOOT_SWAP_SIZE="${input:-0}"
1398                 ;;
1399         esac
1400 done
1401
1402 return $SUCCESS
1403
1404 ################################################################################
1405 # END
1406 ################################################################################