#!/bin/bash # Synopsis: strip_live_media # # This function strips the live media (usbstick) from a list of devices # Output example: # /dev/sda function strip_live_media() { grep -ve '^$' $(awk '{if($2=="/live/image" && $3=="iso9660"){gsub(/[0-9]*$/,"",$1); print "-e ^"$1; exit 0;}}' < /proc/mounts) } # Synopsis: list_all_disks # # This function lists all disks # Output example: # /dev/sda # /dev/sdb function list_all_disks() { ( awk -vli="$(awk '{if($2=="sd"||$2=="md") print $1;}' /proc/devices)" 'BEGIN{m=split(li,list," ")}{for(i=1;i<=m;i++) if(($1==list[i]&&$2%16==0)||($1==list[i]&&$2==126)) print "/dev/"$4;}' /proc/partitions ) | strip_live_media } # Synopsis: send_list_of_disks # # This script sends a list of all disks with size-details to the frontend. # Output example: # list_of_disks # /dev/sda 10001908224 # /dev/sdb 64023257088 function send_list_of_disks() { send data list_of_disks list_all_disks | partitions_size_details } # Synopsis: list_all_partitions # # This function lists all partitions from all disks # Output example: # /dev/sda1 # /dev/sda2 # /dev/sdb5 # /dev/md0 function list_all_partitions() { ( awk -vli="$(awk '{if($2=="sd") print $1;}' /proc/devices)" 'BEGIN{m=split(li,list," ")}{for(i=1;i<=m;i++) if($1==list[i]&&$2%16!=0) print "/dev/"$4;}' /proc/partitions awk -vli="$(awk '{if($2=="md") print $1;}' /proc/devices)" 'BEGIN{m=split(li,list," ")}{for(i=1;i<=m;i++) if($1==list[i]||$1==list[i]+250) print "/dev/"$4;}' /proc/partitions list_dm_partitions ) | strip_live_media } # Synopsis: list_dm_partitions # # This function lists all device-mapper partitions # Output example: # /dev/mapper/volg-home # /dev/mapper/cryptoroot function list_dm_partitions() { ls /dev/mapper/* 2>/dev/null | fmt -w1 | grep -v "/control$" } # Synopsis: (e.g.) list_all_partitions | partitions_usage_details # # This function lists usage details for a list of partitions from STDIN # Output example: # /dev/sda1 filesystem reiserfs # /dev/sda2 filesystem ext3 # /dev/sda3 other swap function partitions_usage_details() { while read part x do [ -e "$part" ] || continue ID_FS_USAGE="$(/sbin/blkid -p -s USAGE -o value "$part")" [ "$ID_FS_USAGE" ] || continue ID_FS_TYPE="$(/sbin/blkid -p -s TYPE -o value "$part")" echo "$part $ID_FS_USAGE $ID_FS_TYPE" done } # Synopsis: (e.g.) list_all_partitions | partitions_size_details # # This function lists size details for a list of partitions from STDIN # Output example: # /dev/sda 64023257088 # /dev/sda1 10001908224 function partitions_size_details() { while read part x do [ -e "$part" ] || continue echo "$part $(blockdev --getsize64 "$part") $x" done } # Synopsis: list_partitions [-type ] [-disk ] [-usage ] # # This function lists all partitions that match all the given parameters # Output example: # /dev/sda1 # /dev/sda2 # /dev/sdb5 function list_partitions() { unset required_type required_disk; required_usage="filesystem" while [ "$1" ] do case $1 in -type) required_type="$2"; shift ;; -disk) required_disk="$2"; shift ;; -usage) required_usage="$2"; shift ;; esac shift done while IFS=" " read part usage type do if [ "$usage" = "$required_usage" ]; then [ "$required_type" -a "$required_type" != "$(get_filesystem_type $part)" ] && continue [ "$required_disk" ] && ! echo "$part" | grep -q "^$required_disk" && continue echo $part fi done < <(list_all_partitions | partitions_usage_details) } # Synopsis: list_linux_partitions # # This function lists all partitions from the disks (by list_all_disks) which have partition Id 0x83 (= Linux) and Linux Filesystem # Output example: # /dev/sda4 # /dev/sdb1 # /dev/mapper/xyz function list_linux_partitions() { ( #for disk in $(list_all_disks) #do # LC_ALL=C sfdisk -l "$disk" 2>/dev/null | sed 's/[*+]//g;' | gawk '/^\/dev/{if($6 == 83){print $1}}' #done for part in $(list_all_partitions) do case "$(blkid -p -s PART_ENTRY_TYPE -o value "$part")" in 0x83|ebd0a0a2-b9e5-4433-87c0-68b6b72699c7|0fc63daf-8483-4772-8e79-3d69d8477de4) [ "$(get_filesystem_type $part)" = "Linux" ] && echo "$part" ;; esac done for part in $(list_dm_partitions) $(awk -vli="$(awk '{if($2=="md") print $1;}' /proc/devices)" 'BEGIN{m=split(li,list," ")}{for(i=1;i<=m;i++) if(($1==list[i]&&$2%16==0)||($1==list[i]&&$2==126)) print "/dev/"$4;}' /proc/partitions) do [ "$(get_filesystem_type "$part")" = "Linux" ] && echo "$part" done ) | sort -u } # Synopsis: list_efi_partitions # # This function lists all partitions from the disks (by list_all_disks) which have partition Id 0xef (= EFI) and DOS filesystem # Output example: # /dev/sda1 # /dev/sdb1 function list_linux_partitions() { for part in $(list_all_partitions) do case "$(blkid -p -s PART_ENTRY_TYPE -o value "$part")" in 0xef|c12a7328-f81f-11d2-ba4b-00a0c93ec93b) [ "$(get_filesystem_type $part)" = "DOS" ] && echo "$part" ;; esac done } # Synopsis: list_swap_partitions # # This function lists all partitions or lvm from the disks (by list_all_disks) which have partition Id 0x82 (= Linux swap) # Output example: # /dev/sda4 # /dev/sdb1 # /dev/mapper/xyz function list_swap_partitions() { ( for disk in $(list_all_disks) do LC_ALL=C sfdisk -l "$disk" 2>/dev/null | sed 's/[*+]//g;' | gawk '/^\/dev/{if($6 == 82){print $1}}' done for part in $(list_all_partitions) do case "$(blkid -p -s PART_ENTRY_TYPE -o value "$part")" in 0x82|0657fd6d-a4ab-43c4-84e5-0933c84b4f4f) echo "$part" ;; esac done for part in $(list_dm_partitions) do [ "$(get_filesystem_type "$part")" = "Swap" ] && echo "$part" done ) | sort -u } # Synopsis: get_disk # # This function returns the disk containing the given partition # Output example: # /dev/sda function get_disk() { path="$(udevadm info -q path -n "$1")" while [ "$path" ] do udevadm info -q env -p "$path" | grep -q "^DEVTYPE=disk$" && break path="$(dirname "$path")" done [ "$path" ] && udevadm info --root -q name -p "$path" && return 0 return 1 } # Synopsis: is_removeable # # This function checks if a disk or partition is removeable (returncode 0) or not (returncode 1) function is_removeable() { DEV="$(get_disk "$1")" REM=$(cat /sys/block/${DEV#/dev/}/removable 2>/dev/null) case $(readlink -f /sys/block/${DEV#/dev}) in *usb*) REM=1; esac [ "$REM" = "1" ] && return 0 || return 1 } # Synopsis: list_possible_root_partitions # # This script lists all possible root-partitions. # * all linux-partitions or lvm which have a linux-filesystem # Output example: # /dev/sda4 # /dev/sdb1 # /dev/mapper/xyz function list_possible_root_partitions() { ( list_linux_partitions; list_partitions -type Linux ) | sort | uniq -d } # Synopsis: send_possible_root_partitions # # This script sends a list of all possible root-partitions with size- and usage-details to the frontend. # Output example: # possible_root_partitions # /dev/sda4 10001908224 filesystem ext3 # /dev/sdb1 64023257088 function send_possible_root_partitions() { send data possible_root_partitions list_possible_root_partitions | partitions_usage_details | partitions_size_details } # Synopsis: send_possible_root_filesystems # # This script sends a list of all possible filesystems to format the root-partition with to the frontend. # Output example: # possible_root_filesystems # ext4 # ext3 # reiserfs function send_possible_root_filesystems() { send data possible_root_filesystems for fs in ext4 ext3 reiserfs btrfs xfs jfs; do echo $fs; done } # Synopsis: get_filesystem # # This function returns the filesystem on the supplied device. # Returned filesystem could be: # ext4, ext3, ext2, reiserfs, xfs, minix, hfs, efs, reiser4, # jfs, iso9660, vfat, ntfs, swap, oracleasm, jbd, gfs, # gfs2, vxfs, romfs, bfs, cramfs, qnx4, udf, ufs, hpfs, # sysv, swsuspend, ocfs, ocfs2 # Output example: # ext4 function get_filesystem() { [ -x /sbin/blkid ] && /sbin/blkid -s TYPE -o value "$1" } # Synopsis: get_filesystem_type [-fs ]| # # This function returns the type of the filesystem on the supplied device (or filesystem). # Returned type could be: # Linux, CD-ROM, Windows, Swap, (not recognized type -> filesystem) # Output example: # Linux function get_filesystem_type() { if [ "$1" = "-fs" ]; then filesystem="$2" else filesystem="$(get_filesystem "$1")" fi case $filesystem in ext4|ext3|ext2|reiserfs|xfs|minix|hfs|efs|reiser4|jfs|btrfs) echo Linux;; iso9660) echo CD-ROM;; vfat) echo DOS;; ntfs) echo Windows;; swap) echo Swap;; *) echo "$filesystem";; esac # Other (not recognized) Filesystems: # oracleasm, jbd, gfs, gfs2, vxfs, romfs, bfs, cramfs, # qnx4, udf, ufs, hpfs, sysv, swsuspend, ocfs, ocfs2 } # Synopsis: get_partition_uuid # # This function returns the UUID of the filesystem on the supplied device. # Output example: # 27abd981-a39e-469d-a29b-0862604f29ee function get_partition_uuid() { if [ -x /sbin/blkid ]; then /sbin/blkid -s UUID -o value "$1" fi }