mirror of https://github.com/hak5/openwrt.git
265 lines
6.4 KiB
Bash
265 lines
6.4 KiB
Bash
#!/bin/sh
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# Copyright 2010 Vertical Communications
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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. /lib/functions.sh
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reset_block_cb() {
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mount_cb() {
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dmc_mount_cfg="$1"
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shift # skip optional param
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dmc_target="$2"
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dmc_mount_device="$3"
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dmc_fstype="$4"
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dmc_options="$5"
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dmc_enabled="$6"
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dmc_enabled_fsck="$7"
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dmc_uuid="$8"
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dmc_label="$9"
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shift
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dmc_is_rootfs="$9"
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return 0
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}
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swap_cb() {
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dsc_swap_cfg="$1"
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shift # skip optional param
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dsc_swap_device="$2"
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dsc_enabled="$3"
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dsc_uuid="$4"
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dsc_label="$5"
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return 0
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}
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}
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reset_block_cb
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reset_dev_section_cb() {
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mount_dev_section_cb() {
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dmds_mount_cfg="$1"
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dmds_mount_target="$2"
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dmds_mount_device="$3"
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dmds_mount_fstype="$4"
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dmds_mount_options="$5"
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dmds_mount_enabled="$6"
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dmds_mount_enabled_fsck="$7"
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dmds_mount_uuid="$8"
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dmds_mount_label="$9"
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shift
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dmds_is_rootfs="$9"
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return 0
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}
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swap_dev_section_cb() {
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dsds_swap_cfg="$1"
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dsds_swap_device="$2"
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dsds_swap_enabled="$3"
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dsds_swap_uuid="$4"
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dsds_swap_label="$5"
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return 0
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}
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}
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reset_dev_section_cb
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config_get_mount() {
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local gm_cfg="$1"
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local gm_param="$2"
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local gm_target
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local gm_device
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local gm_fstype
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local gm_options
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local gm_enabled
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local gm_enabled_fsck
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local gm_uuid
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local gm_label
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local gm_is_rootfs
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config_get gm_target "$1" target
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config_get gm_device "$1" device
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config_get gm_fstype "$1" fstype 'auto'
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config_get gm_options "$1" options 'rw'
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config_get_bool gm_enabled "$1" enabled 1
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config_get_bool gm_enabled_fsck "$1" enabled_fsck 0
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config_get gm_uuid "$1" uuid
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config_get gm_label "$1" label
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config_get_bool gm_is_rootfs "$1" is_rootfs 0
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mount_cb "$gm_cfg" "$gm_param" "$gm_target" "$gm_device" "$gm_fstype" "$gm_options" "$gm_enabled" "$gm_enabled_fsck" "$gm_uuid" "$gm_label" "$gm_is_rootfs"
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}
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config_get_swap() {
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local gs_cfg="$1"
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local gs_param="$2"
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local gs_device
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local gs_enabled
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local gs_uuid
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local gs_label
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config_get gs_device "$1" device
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config_get_bool gs_enabled "$1" enabled 1
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config_get gs_uuid "$1" uuid
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config_get gs_label "$1" label
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swap_cb "$gs_cfg" "$gs_param" "$gs_device" "$gs_enabled" "$gs_uuid" "$gs_label"
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}
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config_get_automount() {
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config_load fstab
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config_get_bool from_fstab "automount" from_fstab 1
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config_get_bool anon_mount "automount" anon_mount 1
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config_get_bool anon_fsck "automount" anon_fsck 0
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}
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config_get_autoswap() {
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config_load fstab
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config_get_bool from_fstab "autoswap" from_fstab 1
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config_get_bool anon_swap "autoswap" anon_swap 0
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}
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config_create_swap_fstab_entry() {
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local device="$1"
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local enabled="$2"
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[ -n "$device" ] || return 0
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local fstabnew
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mkdir -p /var/lock
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lock /var/lock/fstab.lck
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fstabnew="$(mktemp -t '.fstab.XXXXXXXX')"
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cat /tmp/fstab | grep -E -v "^$device[[:blank:]]" >>"$fstabnew"
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[ "$enabled" -eq 1 ] && echo "$device none swap sw 0 0" >> "$fstabnew"
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cat "$fstabnew" >/tmp/fstab
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rm -f $fstabnew
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lock -u /var/lock/fstab.lck
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}
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config_create_mount_fstab_entry() {
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local device="$1"
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local target="$2"
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local fstype="$3"
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local options="$4"
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local enabled="$5"
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options="${options:-rw}"
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[ "$enabled" -eq 0 ] && options="noauto,$options"
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[ -n "$target" ] || return 0
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[ -n "$device" ] || return 0
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local fstabnew
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mkdir -p /var/lock
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lock /var/lock/fstab.lck
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fstabnew="$(mktemp -t '.fstab.XXXXXXXX')"
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cat /tmp/fstab | grep -E -v "^$device[[:blank:]]" | grep -v "$target" >>"$fstabnew"
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echo "$device $target $fstype $options 0 0" >>"$fstabnew"
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cat "$fstabnew" >/tmp/fstab
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rm -f $fstabnew
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lock -u /var/lock/fstab.lck
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}
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libmount_find_token() {
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local token="$1"
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local value="$2"
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local device
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device="$(blkid -w /dev/null -c /dev/null | grep "$token=\"$value\"" | cut -f1 -d:)"
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echo "$device"
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}
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libmount_find_device_by_id() {
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local uuid="$1"
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local label="$2"
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local device="$3"
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local cfg_device="$4"
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local found_device
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if [ -n "$uuid" ]; then
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found_device="$(libmount_find_token "UUID" "$uuid")"
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elif [ -n "$label" ]; then
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found_device="$(libmount_find_token "LABEL" "$label")"
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elif [ "$device" = "$cfg_device" ]; then
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found_device="$device"
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elif [ -z "$device" ] && [ -e "$cfg_device" ]; then
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found_device="$cfg_device"
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fi
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[ -n "$device" ] && [ "$device" != "$found_device" ] && {
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found_device=""
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}
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echo "$found_device"
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}
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config_get_mount_section_by_device() {
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local msbd_device="$1"
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local msbd_mount_cfg=
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local msbd_target=
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local msbd_mount_device=
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local msbd_fstype=
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local msbd_options=
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local msbd_enabled=
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local msbd_enabled_fsck=
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local msbd_uuid=
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local msbd_label=
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local msbd_is_rootfs
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local msbd_blkid_fstype_match=
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mount_cb() {
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local mc_cfg="$1"
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local mc_device="$2"
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shift
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local mc_target="$2"
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local mc_cfgdevice="$3"
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local mc_fstype="$4"
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local mc_uuid="$8"
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local mc_label="$9"
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shift
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local mc_is_rootfs="$9"
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local mc_found_device=""
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mc_found_device="$(libmount_find_device_by_id "$mc_uuid" "$mc_label" "$mc_device" "$mc_cfgdevice")"
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if [ -n "$mc_found_device" ]; then
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msbd_mount_cfg="$mc_cfg"
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msbd_target="$mc_target"
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msbd_mount_device="$mc_found_device"
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msbd_fstype="$mc_fstype"
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msbd_options="$4"
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msbd_enabled="$5"
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msbd_enabled_fsck="$6"
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msbd_uuid="$7"
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msbd_label="$8"
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msbd_is_rootfs="$9"
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fi
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return 0
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}
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config_foreach config_get_mount mount "$msbd_device"
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[ -n "$msbd_mount_device" ] && config_create_mount_fstab_entry "$msbd_mount_device" "$msbd_target" "$msbd_fstype" "$msbd_options" "$msbd_enabled"
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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"
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reset_block_cb
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}
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config_get_swap_section_by_device() {
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local ssbd_device="$1"
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local ssbd_swap_cfg=
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local ssbd_swap_device=
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local ssbd_enabled=
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local ssbd_uuid=
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local ssbd_label=
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swap_cb() {
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local sc_cfg="$1"
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local sc_device="$2"
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local sc_uuid="$5"
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local sc_label="$6"
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local sc_cfgdevice="$3"
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local sc_found_device
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sc_found_device="$(libmount_find_device_by_id "$sc_uuid" "$sc_label" "$sc_device" "$sc_cfgdevice")"
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if [ -n "$sc_found_device" ]; then
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ssbd_swap_cfg="$sc_cfg"
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ssbd_swap_device="$sc_found_device"
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ssbd_enabled="$4"
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ssbd_uuid="$5"
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ssbd_label="$6"
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fi
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return 0
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}
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config_foreach config_get_swap swap "$ssbd_device"
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[ -n "$ssbd_swap_device" ] && config_create_swap_fstab_entry "$ssbd_swap_device" "$ssbd_enabled"
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swap_dev_section_cb "$ssbd_swap_cfg" "$ssbd_swap_device" "$ssbd_enabled" "$ssbd_uuid" "$ssbd_label"
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reset_block_cb
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}
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