tests/ts/swapon/fixsig

   1 #!/bin/bash
   2
   3 TS_TOPDIR="${0%/*}/../.."
   4 TS_DESC="fix signature"
   5
   6 . $TS_TOPDIR/functions.sh
   7 ts_init "$*"
   8
   9 ts_check_test_command "$TS_CMD_MKSWAP"
  10 ts_check_test_command "$TS_CMD_SWAPON"
  11 ts_check_test_command "$TS_CMD_SWAPOFF"
  12 ts_check_test_command "$TS_HELPER_SYSINFO"
  13
  14 ts_skip_nonroot
  15 ts_check_losetup
  16
  17 PAGESIZE=$($TS_HELPER_SYSINFO pagesize)
  18
  19 #
  20 # Create a swap-area
  21 #
  22 ts_device_init
  23 DEVICE=$TS_LODEV
  24
  25 $TS_CMD_MKSWAP $DEVICE > /dev/null 2>> $TS_OUTPUT \
  26  || ts_die "Cannot make swap $DEVICE"
  27
  28 ts_device_has "TYPE" "swap" $DEVICE || ts_die "Cannot find swap on $DEVICE"
  29
  30 #
  31 # Rewrite signature to swsuspend
  32 #
  33 echo "S2SUSPEND " > $TS_OUTPUT.signature
  34 dd if=$TS_OUTPUT.signature of=$DEVICE \
  35         seek=$(( $PAGESIZE - 10 )) count=10 bs=1 conv=notrunc &> /dev/null
  36
  37 ts_device_has "TYPE" "swsuspend" $DEVICE || ts_die "Cannot find swsuspend on $DEVICE"
  38
  39 #
  40 # Swapon
  41 #
  42 $TS_CMD_SWAPON $DEVICE &> /dev/null
  43
  44 grep -q "^$DEVICE\b" /proc/swaps || ts_die "Cannot find $DEVICE in /proc/swaps"
  45
  46 $TS_CMD_SWAPOFF $DEVICE
  47
  48 # swapon/mkswap warns if system sets different permissions for loop devices
  49 sed --in-place '/insecure permissions .*, 0660 suggested/d' $TS_OUTPUT
  50
  51 ts_log "Success"
  52 ts_finalize
  53