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coverage.sh: check bit-by-bit identical squashfs and ext2 output using S_D_E between root and unshare modes

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Johannes 'josch' Schauer 2020-05-03 09:40:37 +02:00
parent ccae6de410
commit c0ee8c82db
Signed by untrusted user: josch
GPG key ID: F2CBA5C78FBD83E1
1 changed files with 35 additions and 17 deletions
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46
coverage.sh
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@ -72,7 +72,7 @@ if [ ! -e shared/taridshift ] || [ taridshift -nt shared/taridshift ]; then
fi fi
starttime= starttime=
total=146 total=148
skipped=0 skipped=0
runtests=0 runtests=0
i=1 i=1
@ -396,8 +396,9 @@ else
skipped=$((skipped+1)) skipped=$((skipped+1))
fi fi
print_header "mode=unshare/root,variant=debootstrap: check for bit-by-bit identical output" for format in tar squashfs ext2; do
cat << END > shared/test.sh print_header "mode=unshare/root,variant=debootstrap: check for bit-by-bit identical $format output"
cat << END > shared/test.sh
#!/bin/sh #!/bin/sh
set -eu set -eu
export LC_ALL=C.UTF-8 export LC_ALL=C.UTF-8
@ -408,18 +409,28 @@ fi
adduser --gecos user --disabled-password user adduser --gecos user --disabled-password user
sysctl -w kernel.unprivileged_userns_clone=1 sysctl -w kernel.unprivileged_userns_clone=1
export SOURCE_DATE_EPOCH=$SOURCE_DATE_EPOCH export SOURCE_DATE_EPOCH=$SOURCE_DATE_EPOCH
$CMD --mode=root --variant=debootstrap $DEFAULT_DIST /tmp/debian-chroot-root.tar $mirror $CMD --mode=root --variant=debootstrap $DEFAULT_DIST /tmp/debian-chroot-root.$format $mirror
runuser -u user -- $CMD --mode=unshare --variant=debootstrap $DEFAULT_DIST /tmp/debian-chroot-unshare.tar $mirror if [ "$format" = tar ]; then
cmp /tmp/debian-chroot-root.tar /tmp/debian-chroot-unshare.tar printf 'ustar ' | cmp --bytes=6 --ignore-initial=257:0 /tmp/debian-chroot-root.tar -
rm /tmp/debian-chroot-root.tar /tmp/debian-chroot-unshare.tar elif [ "$format" = squashfs ]; then
printf 'hsqs' | cmp --bytes=4 /tmp/debian-chroot-root.squashfs -
elif [ "$format" = ext2 ]; then
printf '\123\357' | cmp --bytes=2 --ignore-initial=1080:0 /tmp/debian-chroot-root.ext2 -
else
echo "unknown format: $format" >&2
fi
runuser -u user -- $CMD --mode=unshare --variant=debootstrap $DEFAULT_DIST /tmp/debian-chroot-unshare.$format $mirror
cmp /tmp/debian-chroot-root.$format /tmp/debian-chroot-unshare.$format
rm /tmp/debian-chroot-root.$format /tmp/debian-chroot-unshare.$format
END END
if [ "$HAVE_QEMU" = "yes" ]; then if [ "$HAVE_QEMU" = "yes" ]; then
./run_qemu.sh ./run_qemu.sh
runtests=$((runtests+1)) runtests=$((runtests+1))
else else
echo "HAVE_QEMU != yes -- Skipping test..." >&2 echo "HAVE_QEMU != yes -- Skipping test..." >&2
skipped=$((skipped+1)) skipped=$((skipped+1))
fi fi
done
print_header "mode=unshare,variant=apt: test taridshift utility" print_header "mode=unshare,variant=apt: test taridshift utility"
cat << END > shared/test.sh cat << END > shared/test.sh
@ -786,15 +797,17 @@ prefix=
[ "\$(id -u)" -eq 0 ] && [ "$mode" != "root" ] && prefix="runuser -u user --" [ "\$(id -u)" -eq 0 ] && [ "$mode" != "root" ] && prefix="runuser -u user --"
[ "$mode" = "fakechroot" ] && prefix="\$prefix fakechroot fakeroot" [ "$mode" = "fakechroot" ] && prefix="\$prefix fakechroot fakeroot"
\$prefix $CMD --mode=$mode --variant=apt $DEFAULT_DIST /tmp/debian-chroot.ext2 $mirror \$prefix $CMD --mode=$mode --variant=apt $DEFAULT_DIST /tmp/debian-chroot.ext2 $mirror
mount /tmp/debian-chroot.ext2 /mnt mkdir /tmp/mnt
rmdir /mnt/lost+found mount /tmp/debian-chroot.ext2 /tmp/mnt
rmdir /tmp/mnt/lost+found
# in fakechroot mode, we use a fake ldconfig, so we have to # in fakechroot mode, we use a fake ldconfig, so we have to
# artificially add some files # artificially add some files
{ tar -C /mnt -c . | tar -t; { tar -C /tmp/mnt -c . | tar -t;
[ "$mode" = "fakechroot" ] && printf "./etc/ld.so.cache\n./var/cache/ldconfig/\n"; [ "$mode" = "fakechroot" ] && printf "./etc/ld.so.cache\n./var/cache/ldconfig/\n";
[ "$mode" = "fakechroot" ] && printf "./etc/.pwd.lock\n"; [ "$mode" = "fakechroot" ] && printf "./etc/.pwd.lock\n";
} | sort | diff -u tar1.txt - } | sort | diff -u tar1.txt -
umount /mnt umount /tmp/mnt
rmdir /tmp/mnt
rm /tmp/debian-chroot.ext2 rm /tmp/debian-chroot.ext2
END END
if [ "$HAVE_QEMU" = "yes" ]; then if [ "$HAVE_QEMU" = "yes" ]; then
@ -2770,6 +2783,11 @@ for mode in root unshare fakechroot proot; do
skipped=$((skipped+1)) skipped=$((skipped+1))
continue continue
fi fi
if [ "$RUN_MA_SAME_TESTS" != yes ]; then
echo "RUN_MA_SAME_TESTS != yes -- Skipping test..." >&2
skipped=$((skipped+1))
continue
fi
if [ "$HAVE_BINFMT" != "yes" ]; then if [ "$HAVE_BINFMT" != "yes" ]; then
echo "HAVE_BINFMT != yes -- Skipping test..." >&2 echo "HAVE_BINFMT != yes -- Skipping test..." >&2
skipped=$((skipped+1)) skipped=$((skipped+1))