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#!/bin/bash
#
# Copyright (C) 2023 Corellium LLC
#
# Author: Ernesto A. Fernández <ernesto@corellium.com>
#
# Call as ./test.sh to test mkfs on various container sizes. Some will be very
# big so this should always be done inside a filesystem that supports sparse
# files.
success=0
set -e
cleanup() {
rm -f /tmp/sizetest.img
rm -f /tmp/sizetest2.img
[ $success -eq 1 ] && echo "TEST PASSED" || echo "TEST FAILED"
}
trap cleanup exit
test_size() {
truncate -s $1 /tmp/sizetest.img
./mkapfs /tmp/sizetest.img
../apfsck/apfsck -cuw /tmp/sizetest.img
}
test_fusion_sizes() {
truncate -s $1 /tmp/sizetest.img
truncate -s $2 /tmp/sizetest2.img
./mkapfs -F /tmp/sizetest2.img /tmp/sizetest.img
../apfsck/apfsck -cuw -F /tmp/sizetest2.img /tmp/sizetest.img
}
confirm_mkfs_failure() {
truncate -s $1 /tmp/sizetest.img
truncate -s $2 /tmp/sizetest2.img
# Confirm that this fails cleanly, not with sigbus
./mkapfs -F /tmp/sizetest2.img /tmp/sizetest.img >/dev/null 2>&1 || [ $? -eq 1 ]
}
test_partial() {
truncate -s $1 /tmp/sizetest.img
./mkapfs /tmp/sizetest.img $2
../apfsck/apfsck -cuw /tmp/sizetest.img
}
# Single block ip bitmap, single block spaceman, no CABs
sizes[0]=512K # Minimum size
sizes[1]=15G
sizes[2]=1454383300608 # Maximum size
# Multiblock ip bitmap, single block spaceman, no CABs
sizes[3]=1454383304704 # Minimum size
sizes[4]=3T
sizes[5]=7407207972864 # Maximum size
# Multiblock ip bitmap, multiblock spaceman, no CABs
sizes[6]=7407207976960 # Minimum size
sizes[7]=7T
sizes[8]=8574096900096 # Maximum size
# Multiblock ip bitmap, single block spaceman, has CABs
sizes[9]=8574096904192 # Minimum size
sizes[10]=15T
# Filesystems > ~113 TiB not yet supported
# Regression tests for sizes that caused problems in the past
sizes[11]=3G
touch /tmp/sizetest.img
for sz in ${sizes[@]}; do
test_size $sz
done
touch /tmp/sizetest2.img
for sz1 in ${sizes[@]}; do
for sz2 in ${sizes[@]}; do
# The main device needs to be large enough to map tier 2
if [ "$sz1" = "512K" -a "$sz2" != "512K" ]; then
confirm_mkfs_failure $sz1 $sz2
else
test_fusion_sizes $sz1 $sz2
fi
done
done
# Regression test for filesystems that don't fill the whole device
test_partial 15G 262144
success=1
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