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Diffstat (limited to 'package/block-mount/files/block.sh')
| -rw-r--r-- | package/block-mount/files/block.sh | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/package/block-mount/files/block.sh b/package/block-mount/files/block.sh new file mode 100644 index 000000000..2b679a8e8 --- /dev/null +++ b/package/block-mount/files/block.sh @@ -0,0 +1,264 @@ +#!/bin/sh +# Copyright 2010 Vertical Communications +# This is free software, licensed under the GNU General Public License v2. +# See /LICENSE for more information. +# + +. /lib/functions.sh + +reset_block_cb() { + mount_cb() { + dmc_mount_cfg="$1" + shift # skip optional param + dmc_target="$2" + dmc_mount_device="$3" + dmc_fstype="$4" + dmc_options="$5" + dmc_enabled="$6" + dmc_enabled_fsck="$7" + dmc_uuid="$8" + dmc_label="$9" + shift + dmc_is_rootfs="$9" + return 0 + } + swap_cb() { + dsc_swap_cfg="$1" + shift # skip optional param + dsc_swap_device="$2" + dsc_enabled="$3" + dsc_uuid="$4" + dsc_label="$5" + return 0 + } +} +reset_block_cb + +reset_dev_section_cb() { + mount_dev_section_cb() { + dmds_mount_cfg="$1" + dmds_mount_target="$2" + dmds_mount_device="$3" + dmds_mount_fstype="$4" + dmds_mount_options="$5" + dmds_mount_enabled="$6" + dmds_mount_enabled_fsck="$7" + dmds_mount_uuid="$8" + dmds_mount_label="$9" + shift + dmds_is_rootfs="$9" + return 0 + } + swap_dev_section_cb() { + dsds_swap_cfg="$1" + dsds_swap_device="$2" + dsds_swap_enabled="$3" + dsds_swap_uuid="$4" + dsds_swap_label="$5" + return 0 + } +} +reset_dev_section_cb + +config_get_mount() { + local gm_cfg="$1" + local gm_param="$2" + local gm_target + local gm_device + local gm_fstype + local gm_options + local gm_enabled + local gm_enabled_fsck + local gm_uuid + local gm_label + local gm_is_rootfs + config_get gm_target "$1" target + config_get gm_device "$1" device + config_get gm_fstype "$1" fstype 'auto' + config_get gm_options "$1" options 'rw' + config_get_bool gm_enabled "$1" enabled 1 + config_get_bool gm_enabled_fsck "$1" enabled_fsck 0 + config_get gm_uuid "$1" uuid + config_get gm_label "$1" label + config_get_bool gm_is_rootfs "$1" is_rootfs 0 + mount_cb "$gm_cfg" "$gm_param" "$gm_target" "$gm_device" "$gm_fstype" "$gm_options" "$gm_enabled" "$gm_enabled_fsck" "$gm_uuid" "$gm_label" "$gm_is_rootfs" +} + +config_get_swap() { + local gs_cfg="$1" + local gs_param="$2" + local gs_device + local gs_enabled + local gs_uuid + local gs_label + config_get gs_device "$1" device + config_get_bool gs_enabled "$1" enabled 1 + config_get gs_uuid "$1" uuid + config_get gs_label "$1" label + + swap_cb "$gs_cfg" "$gs_param" "$gs_device" "$gs_enabled" "$gs_uuid" "$gs_label" +} + +config_get_automount() { + config_load fstab + config_get_bool from_fstab "automount" from_fstab 1 + config_get_bool anon_mount "automount" anon_mount 1 + config_get_bool anon_fsck "automount" anon_fsck 0 +} + +config_get_autoswap() { + config_load fstab + config_get_bool from_fstab "autoswap" from_fstab 1 + config_get_bool anon_swap "autoswap" anon_swap 0 +} + +config_create_swap_fstab_entry() { + local device="$1" + local enabled="$2" + + [ -n "$device" ] || return 0 + + local fstabnew + + mkdir -p /var/lock + lock /var/lock/fstab.lck + fstabnew="$(mktemp -t '.fstab.XXXXXXXX')" + cat /tmp/fstab | grep -E -v "^$device[[:blank:]]" >>"$fstabnew" + [ "$enabled" -eq 1 ] && echo "$device none swap sw 0 0" >> "$fstabnew" + cat "$fstabnew" >/tmp/fstab + rm -f $fstabnew + lock -u /var/lock/fstab.lck +} + +config_create_mount_fstab_entry() { + local device="$1" + local target="$2" + local fstype="$3" + local options="$4" + local enabled="$5" + options="${options:-rw}" + [ "$enabled" -eq 0 ] && options="noauto,$options" + [ -n "$target" ] || return 0 + [ -n "$device" ] || return 0 + + local fstabnew + + mkdir -p /var/lock + lock /var/lock/fstab.lck + fstabnew="$(mktemp -t '.fstab.XXXXXXXX')" + cat /tmp/fstab | grep -E -v "^$device[[:blank:]]" | grep -v "$target" >>"$fstabnew" + echo "$device $target $fstype $options 0 0" >>"$fstabnew" + cat "$fstabnew" >/tmp/fstab + rm -f $fstabnew + lock -u /var/lock/fstab.lck +} + +libmount_find_token() { + local token="$1" + local value="$2" + local device + device="$(blkid -w /dev/null -c /dev/null | grep "$token=\"$value\"" | cut -f1 -d:)" + echo "$device" +} + +libmount_find_device_by_id() { + local uuid="$1" + local label="$2" + local device="$3" + local cfg_device="$4" + local found_device + + if [ -n "$uuid" ]; then + found_device="$(libmount_find_token "UUID" "$uuid")" + elif [ -n "$label" ]; then + found_device="$(libmount_find_token "LABEL" "$label")" + elif [ "$device" = "$cfg_device" ]; then + found_device="$device" + elif [ -z "$device" ] && [ -e "$cfg_device" ]; then + found_device="$cfg_device" + fi + [ -n "$device" ] && [ "$device" != "$found_device" ] && { + found_device="" + } + echo "$found_device" +} + +config_get_mount_section_by_device() { + local msbd_device="$1" + local msbd_mount_cfg= + local msbd_target= + local msbd_mount_device= + local msbd_fstype= + local msbd_options= + local msbd_enabled= + local msbd_enabled_fsck= + local msbd_uuid= + local msbd_label= + local msbd_is_rootfs + local msbd_blkid_fstype_match= + mount_cb() { + local mc_cfg="$1" + local mc_device="$2" + shift + local mc_target="$2" + local mc_cfgdevice="$3" + local mc_fstype="$4" + local mc_uuid="$8" + local mc_label="$9" + shift + local mc_is_rootfs="$9" + local mc_found_device="" + + mc_found_device="$(libmount_find_device_by_id "$mc_uuid" "$mc_label" "$mc_device" "$mc_cfgdevice")" + if [ -n "$mc_found_device" ]; then + msbd_mount_cfg="$mc_cfg" + msbd_target="$mc_target" + msbd_mount_device="$mc_found_device" + msbd_fstype="$mc_fstype" + msbd_options="$4" + msbd_enabled="$5" + msbd_enabled_fsck="$6" + msbd_uuid="$7" + msbd_label="$8" + msbd_is_rootfs="$9" + fi + return 0 + } + config_foreach config_get_mount mount "$msbd_device" + [ -n "$msbd_mount_device" ] && config_create_mount_fstab_entry "$msbd_mount_device" "$msbd_target" "$msbd_fstype" "$msbd_options" "$msbd_enabled" + mount_dev_section_cb "$msbd_mount_cfg" "$msbd_target" "$msbd_mount_device" "$msbd_fstype" "$msbd_options" "$msbd_enabled" "$msbd_enabled_fsck" "$msbd_uuid" "$msbd_label" "$msbd_is_rootfs" + reset_block_cb +} + +config_get_swap_section_by_device() { + local ssbd_device="$1" + local ssbd_swap_cfg= + local ssbd_swap_device= + local ssbd_enabled= + local ssbd_uuid= + local ssbd_label= + swap_cb() { + local sc_cfg="$1" + local sc_device="$2" + local sc_uuid="$5" + local sc_label="$6" + local sc_cfgdevice="$3" + local sc_found_device + + sc_found_device="$(libmount_find_device_by_id "$sc_uuid" "$sc_label" "$sc_device" "$sc_cfgdevice")" + if [ -n "$sc_found_device" ]; then + ssbd_swap_cfg="$sc_cfg" + ssbd_swap_device="$sc_found_device" + ssbd_enabled="$4" + ssbd_uuid="$5" + ssbd_label="$6" + fi + return 0 + } + config_foreach config_get_swap swap "$ssbd_device" + [ -n "$ssbd_swap_device" ] && config_create_swap_fstab_entry "$ssbd_swap_device" "$ssbd_enabled" + swap_dev_section_cb "$ssbd_swap_cfg" "$ssbd_swap_device" "$ssbd_enabled" "$ssbd_uuid" "$ssbd_label" + reset_block_cb +} + + |