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#!/bin/sh
# Copyright 2010 Vertical Communications
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
. /etc/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
}
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