coreutils/tests/cksum/b2sum.sh
Pádraig Brady fea833591b cksum: consistently validate --length attributes
* src/digest.c (main): Only validate the last used --length
for being a multiple of 8.
* tests/cksum/b2sum.sh: Add a test case.
Fixes https://bugs.gnu.org/69546
2024-03-04 16:35:27 +00:00

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#!/bin/sh
# 'b2sum' tests
# Copyright (C) 2016-2024 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ cksum
for prog in 'b2sum' 'cksum -a blake2b'; do
# Also check b2sum if built
[ "$prog" = 'b2sum' ] && { $prog --version || continue; }
# Ensure we can --check the --tag format we produce
rm -f check.b2sum || framework_failure_
[ "$prog" = 'b2sum' ] && tag_opt='--tag' || tag_opt=''
for i in 'a' ' b' '*c' '44' ' '; do
echo "$i" > "$i"
for l in 0 128; do
$prog -l $l $tag_opt "$i" >> check.b2sum
done
done
# Note -l is inferred from the tags in the mixed format file
$prog --strict -c check.b2sum || fail=1
# Also ensure the openssl tagged variant works
sed 's/ //; s/ =/=/' < check.b2sum > openssl.b2sum || framework_failure_
$prog --strict -c openssl.b2sum || fail=1
rm -f check.vals || framework_failure_
# Ensure we can check non tagged format
[ "$prog" != 'b2sum' ] && tag_opt='--untagged' || tag_opt=''
for l in 0 128; do
$prog $tag_opt --text -l $l /dev/null | tee -a check.vals > check.b2sum
$prog -l $l --strict -c check.b2sum || fail=1
$prog --strict -c check.b2sum || fail=1
done
# Ensure the checksum values are correct. The reference
# check.vals was created with the upstream SSE reference implementation.
[ "$prog" != 'b2sum' ] && tag_opt='--untagged' || tag_opt=''
$prog $tag_opt --length=128 check.vals > out.tmp || fail=1
tr '*' ' ' < out.tmp > out || framework_failure_ # Remove binary tag on cygwin
printf '%s\n' '796485dd32fe9b754ea5fd6c721271d9 check.vals' > exp
compare exp out || fail=1
# This would segfault from coreutils-8.26 to coreutils-8.28
printf '%s\n' 'BLAKE2' 'BLAKE2b' 'BLAKE2-' 'BLAKE2(' 'BLAKE2 (' > crash.check \
|| framework_failure_
returns_ 1 $prog -c crash.check || fail=1
# This would read unallocated memory from coreutils-9.2 to coreutils-9.3
# which would trigger with ASAN or valgrind
printf '0A0BA0' > overflow.check || framework_failure_
returns_ 1 $prog -c overflow.check || fail=1
# This would fail before coreutil-9.4
# Only validate the last specified, used length
$prog -l 123 -l 128 /dev/null || fail=1
done
Exit $fail