src/system-recovery/recovery-init.in

   1 #!/bin/sh
   2
   3 SYSTEM_RECOVERY_GUI="@SYSTEM_RECOVERY_LIBEXEC_DIR@/system-recovery.gui"
   4 SYSTEM_RECOVERY_NON_GUI="@SYSTEM_RECOVERY_LIBEXEC_DIR@/system-recovery.non_gui"
   5 FAKE_ROOT=/system
   6
   7 MOUNT="/usr/bin/mount"
   8 BLKID="/usr/sbin/blkid"
   9 REBOOT="@INITRD_RECOVERY_LIBEXEC_DIR@/minireboot"
  10 SYNC="/usr/bin/sync"
  11 UMOUNT="/usr/bin/umount"
  12 CUT="/usr/bin/cut"
  13 LS="/usr/bin/ls"
  14 MKDIR="/usr/bin/mkdir"
  15 RMDIR="/usr/bin/rmdir"
  16 TR="/usr/bin/tr"
  17
  18 #------------------------------------------------
  19 #       get partition id
  20 #------------------------------------------------
  21 get_partition_id() {
  22     PART_ROOTFS=$("$BLKID" --match-token PARTLABEL=ROOTFS -o device || "$BLKID" --match-token LABEL=rootfs -o device)
  23     PART_SYSTEM_DATA=$("$BLKID" --match-token PARTLABEL=SYSTEM-DATA -o device || "$BLKID" --match-token LABEL=system-data -o device)
  24     PART_USER=$("$BLKID" --match-token PARTLABEL=USER -o device || "$BLKID" --match-token LABEL=user -o device)
  25 }
  26
  27 #------------------------------------------------
  28 #       mount_usb_partitions
  29 #------------------------------------------------
  30 USB_MOUNTPOINT_PREFIX=${FAKE_ROOT}/opt/media/USBDrive
  31 mount_usb_partitions() {
  32     echo "mount USB partitions"
  33     DEVICE_TYPE_LIST=(
  34         ext4
  35         vfat
  36     )
  37
  38     for DEVICE_TYPE in ${DEVICE_TYPE_LIST[@]}
  39     do
  40         DEVICES=$("$BLKID" /dev/sd?? -t TYPE="${DEVICE_TYPE}" -o device)
  41         for DEVICE in ${DEVICES}
  42         do
  43             USB_MOUNTPOINT_INDEX=$(echo ${DEVICE} | "$CUT" -b 8- | "$TR" '[:lower:]' '[:upper:]')
  44             USB_MOUNTPOINT=${USB_MOUNTPOINT_PREFIX}${USB_MOUNTPOINT_INDEX}
  45             "$MKDIR" ${USB_MOUNTPOINT}
  46             "$MOUNT" -t ${DEVICE_TYPE} ${DEVICE} ${USB_MOUNTPOINT}
  47         done
  48     done
  49 }
  50
  51 #------------------------------------------------
  52 #       mount_partitions
  53 #------------------------------------------------
  54 mount_partitions() {
  55     echo "mount partitions"
  56     get_partition_id
  57
  58     "$MOUNT" -t ext4 ${PART_ROOTFS} ${FAKE_ROOT} -o ro
  59     "$MOUNT" -t ext4 ${PART_SYSTEM_DATA} ${FAKE_ROOT}/opt
  60     "$MOUNT" -t ext4 ${PART_USER} ${FAKE_ROOT}/opt/usr
  61
  62     "$MOUNT" -t proc none ${FAKE_ROOT}/proc
  63     "$MOUNT" -t sysfs none ${FAKE_ROOT}/sys
  64     "$MOUNT" -t smackfs smackfs ${FAKE_ROOT}/sys/fs/smackfs
  65     "$MOUNT" -t devtmpfs devtmpfs ${FAKE_ROOT}/dev
  66     "$MOUNT" -t devpts devpts ${FAKE_ROOT}/dev/pts
  67     "$MOUNT" -t tmpfs tmpfs ${FAKE_ROOT}/tmp -o mode=1777,smackfsroot=*
  68
  69     mount_usb_partitions
  70 }
  71
  72 #------------------------------------------------
  73 #       umount_usb_partitions
  74 #------------------------------------------------
  75 umount_usb_partitions() {
  76     echo "umount USB partitions"
  77     USB_MOUNTPOINTS=$("$LS" -d ${USB_MOUNTPOINT_PREFIX}*)
  78     for USB_MOUNTPOINT in ${USB_MOUNTPOINTS}
  79     do
  80         "$UMOUNT" ${USB_MOUNTPOINT}
  81         "$RMDIR" ${USB_MOUNTPOINT}
  82     done
  83 }
  84
  85 #------------------------------------------------
  86 #       umount_partitions
  87 #------------------------------------------------
  88 umount_partitions() {
  89     echo "umount partitions"
  90    "$SYNC"
  91
  92     umount_usb_partitions
  93
  94     "$UMOUNT" ${FAKE_ROOT}/opt/usr
  95     "$UMOUNT" ${FAKE_ROOT}/opt
  96     "$UMOUNT" ${FAKE_ROOT}
  97 }
  98
  99 #------------------------------------------------
 100 #       do_reboot
 101 #------------------------------------------------
 102 do_reboot() {
 103     echo "Reboot"
 104     "$SYNC"
 105     "$REBOOT"
 106     while [ 1 ]
 107     do
 108         sleep 1
 109         echo "."
 110     done
 111 }
 112
 113 #------------------------------------------------
 114 #       system-recovery initrc
 115 #------------------------------------------------
 116 echo "Starting system recovery."
 117 mount_partitions
 118
 119 # For debugging - It should be deleted on Release
 120 /sbin/agetty -l /bin/sh -n --keep-baud 115200,38400,9600 ttyS1 linux &
 121
 122 [ -x "${SYSTEM_RECOVERY_GUI}" ] && "${SYSTEM_RECOVERY_GUI}" || "${SYSTEM_RECOVERY_NON_GUI}"
 123
 124 umount_partitions
 125 do_reboot