| #!/bin/bash |
| |
| TS_TOPDIR="${0%/*}/../.." |
| TS_DESC="fix signature" |
| |
| . $TS_TOPDIR/functions.sh |
| ts_init "$*" |
| |
| ts_check_test_command "$TS_CMD_MKSWAP" |
| ts_check_test_command "$TS_CMD_SWAPON" |
| ts_check_test_command "$TS_CMD_SWAPOFF" |
| ts_check_test_command "$TS_HELPER_SYSINFO" |
| |
| ts_skip_nonroot |
| ts_check_losetup |
| |
| PAGESIZE=$($TS_HELPER_SYSINFO pagesize) |
| |
| # |
| # Create a swap-area |
| # |
| ts_device_init |
| DEVICE=$TS_LODEV |
| |
| $TS_CMD_MKSWAP $DEVICE > /dev/null 2>> $TS_OUTPUT \ |
| || ts_die "Cannot make swap $DEVICE" |
| |
| ts_device_has "TYPE" "swap" $DEVICE || ts_die "Cannot find swap on $DEVICE" |
| |
| # |
| # Rewrite signature to swsuspend |
| # |
| echo "S2SUSPEND " > $TS_OUTPUT.signature |
| dd if=$TS_OUTPUT.signature of=$DEVICE \ |
| seek=$(( $PAGESIZE - 10 )) count=10 bs=1 conv=notrunc &> /dev/null |
| |
| ts_device_has "TYPE" "swsuspend" $DEVICE || ts_die "Cannot find swsuspend on $DEVICE" |
| |
| # |
| # Swapon |
| # |
| $TS_CMD_SWAPON $DEVICE &> /dev/null |
| |
| grep -q "^$DEVICE\b" /proc/swaps || ts_die "Cannot find $DEVICE in /proc/swaps" |
| |
| $TS_CMD_SWAPOFF $DEVICE |
| |
| # swapon/mkswap warns if system sets different permissions for loop devices |
| sed --in-place '/insecure permissions .*, 0660 suggested/d' $TS_OUTPUT |
| |
| ts_log "Success" |
| ts_finalize |
| |