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# $OpenBSD: Makefile,v 1.2 2017/06/22 16:10:34 bluhm Exp $
# Copyright (c) 2008 Marco Pfatschbacher <mpf@openbsd.org>
# Copyright (c) 2017 Alexander Bluhm <bluhm@openbsd.org>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
CLEANFILES= *.gz rc rcmotd multi owner perm
# Test if gzip(1) detects truncated or corrupted files
REGRESS_TARGETS+= run-regress-integrity
run-regress-integrity:
@echo "\n==== $@ ===="
# create gz
gzip -v </etc/rc >rc.gz
# check that everything is ok
gzip -vt rc.gz
REGRESS_TARGETS+= run-regress-truncate-2k
run-regress-truncate-2k:
@echo "\n==== $@ ===="
# truncate at 2k
gzip </etc/rc >rc.gz
dd if=rc.gz bs=1k count=2 of=2k.gz
# check that truncation is detected
! gzip -vt 2k.gz
REGRESS_TARGETS+= run-regress-truncate-1k
run-regress-truncate-1k:
@echo "\n==== $@ ===="
# truncate at 1k
gzip </etc/rc >rc.gz
dd if=rc.gz bs=1k count=1 of=1k.gz
# check that truncation is detected
! gzip -vt 1k.gz
REGRESS_TARGETS+= run-regress-skip
run-regress-skip:
@echo "\n==== $@ ===="
# skip some data in the middle
gzip </etc/rc >rc.gz
dd if=rc.gz bs=1k count=1 of=skip.gz
dd if=rc.gz bs=1k seek=2 skip=2 conv=notrunc of=skip.gz
# check that corruption is detected
! gzip -vt skip.gz
JOT100!= jot 100
REGRESS_TARGETS+= run-regress-fuzz
run-regress-fuzz:
@echo "\n==== $@ ===="
# simple fuzzer that modifies one random byte at a random offset
gzip </etc/rc >rc.gz
.for i in ${JOT100}
dd if=rc.gz bs=1k of=fuzz.gz status=none
RANDOM=$i;\
where=$$((RANDOM % 2048 + 256)); fuzz=$$((RANDOM % 256));\
orig=`dd if=rc.gz bs=1 skip=$$where count=1 status=none |\
hexdump -e '"%d"'`;\
echo "$i/100: fuzzing byte @$$where: $$orig -> $$fuzz";\
echo -n \\0`printf "%o" $$fuzz` |\
dd bs=1 seek=$$where conv=notrunc of=fuzz.gz status=none
cmp -s rc.gz fuzz.gz || ! gzip -vt fuzz.gz
.endfor
# test basic gzip functionality
REGRESS_TARGETS+= run-regress-gunzip
run-regress-gunzip:
@echo "\n==== $@ ===="
# gzip and gunzip
gzip -v </etc/rc >rc.gz
gunzip -f rc.gz
# check that uncompressed file does match
diff -up /etc/rc rc
REGRESS_TARGETS+= run-regress-multi
run-regress-multi:
@echo "\n==== $@ ===="
# compress multiple files
gzip -c /etc/rc /etc/motd >multi.gz
# check multiple gzip file
gzip -vt multi.gz
gunzip -f multi.gz
# check that gunzipped files do match
cat /etc/rc /etc/motd >rcmotd
diff -up rcmotd multi
# Test permissions
REGRESS_TARGETS+= run-regress-perm-zip
run-regress-perm-zip:
@echo "\n==== $@ ===="
# compress file with special permissions
cat /etc/rc >perm
chmod 614 perm
rm -f perm.gz
gzip perm
ls -l perm.gz | grep '^-rw---xr-- '
REGRESS_TARGETS+= run-regress-perm-unzip
run-regress-perm-unzip:
@echo "\n==== $@ ===="
# uncompress file with special permissions
gzip </etc/rc >perm.gz
chmod 614 perm.gz
rm -f perm
gunzip perm.gz
ls -l perm | grep '^-rw---xr-- '
REGRESS_TARGETS+= run-regress-owner-zip
run-regress-owner-zip:
@echo "\n==== $@ ===="
# compress file as root with user and group nobody
rm -f owner
cat /etc/rc >owner
${SUDO} chown nobody:nobody owner
rm -f owner.gz
${SUDO} gzip owner
ls -l owner.gz | grep ' nobody *nobody '
REGRESS_TARGETS+= run-regress-owner-unzip
run-regress-owner-unzip:
@echo "\n==== $@ ===="
# uncompress file with special permissions
rm -f owner.gz
gzip </etc/rc >owner.gz
${SUDO} chown nobody:nobody owner.gz
rm -f owner
${SUDO} gunzip owner.gz
ls -l owner | grep ' nobody *nobody '
.include <bsd.regress.mk>
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