# GNU Guix --- Functional package management for GNU
# Copyright © 2013, 2014, 2020 Ludovic Courtès <ludo@gnu.org>
#
# This file is part of GNU Guix.
#
# GNU Guix 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.
#
# GNU Guix 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 GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

#
# Test the 'guix authenticate' command-line utility.
#

guix authenticate --version

sig="t-signature-$$"
hash="t-hash-$$"
rm -f "$sig" "$hash"

trap 'rm -f "$sig" "$hash"' EXIT

key="$abs_top_srcdir/tests/keys/signing-key.sec"
key_len="`echo -n $key | wc -c`"

# A hexadecimal string as long as a sha256 hash.
hash="2749f0ea9f26c6c7be746a9cff8fa4c2f2a02b000070dba78429e9a11f87c6eb"
hash_len="`echo -n $hash | wc -c`"

echo "sign $key_len:$key $hash_len:$hash" | guix authenticate > "$sig"
test -f "$sig"
case "$(cat $sig)" in
    "0 "*) ;;
    *)     echo "broken signature: $(cat $sig)"
	   exit 42;;
esac

# Remove the leading "0".
sed -i "$sig" -e's/^0 //g'

hash2="$(echo verify $(cat "$sig") | guix authenticate)"
test "$(echo $hash2 | cut -d : -f 2)" = "$hash"

# Detect corrupt signatures.
code="$(echo "verify 5:wrong" | guix authenticate | cut -f1 -d ' ')"
test "$code" -ne 0

# Detect invalid signatures.
# The signature has (payload (data ... (hash sha256 #...#))).  We proceed by
# modifying this hash.
sed -i "$sig"											\
    -e's|#[A-Z0-9]\{64\}#|#0000000000000000000000000000000000000000000000000000000000000000#|g'
code="$(echo "verify $(cat $sig)" | guix authenticate | cut -f1 -d ' ')"
test "$code" -ne 0

# Make sure byte strings are correctly encoded.  The hash string below is
# "café" repeated 8 times.  Libgcrypt would normally choose to write it as a
# string rather than a hex sequence.  We want that string to be Latin-1
# encoded independently of the current locale: <https://bugs.gnu.org/43421>.
hash="636166e9636166e9636166e9636166e9636166e9636166e9636166e9636166e9"
latin1_cafe="caf$(printf '\351')"
echo "sign 26:tests/keys/signing-key.sec 64:$hash" | guix authenticate \
    | LC_ALL=C grep "hash sha256 \"$latin1_cafe"

# Test for <http://bugs.gnu.org/17312>: make sure 'guix authenticate' produces
# valid signatures when run in the C locale.
hash="5eff0b55c9c5f5e87b4e34cd60a2d5654ca1eb78c7b3c67c3179fed1cff07b4c"

LC_ALL=C
export LC_ALL

echo "sign $key_len:$key $hash_len:$hash" | guix authenticate > "$sig"

# Remove the leading "0".
sed -i "$sig" -e's/^0 //g'

echo "verify $(cat $sig)" | guix authenticate
hash2="$(echo "verify $(cat $sig)" | guix authenticate | cut -f2 -d ' ')"
test "$(echo $hash2 | cut -d : -f 2)" = "$hash"
'.
* tests/nar.scm (rm-rf): Add 'chmod' calls to ensure files are writable.
("write-file + restore-file with symlinks"): Ensure every file in OUTPUT
passes 'canonical-file?'.
* tests/guix-archive.sh: Run "chmod -R +w" before "rm -rf".
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-09-28 21:06:36 -0500'>2020-09-28</span></td><td><a href='/guix/commit/tests/guix-archive.sh?id=d8934360d2453a403b5433e71d09188e4ed23b57'>tests: Simplify shell exit status negation;</a><span class='msg-avail'>...<span class='msg-tooltip'>* tests/guix-archive.sh, tests/guix-build-branch.sh, tests/guix-build.sh,
tests/guix-daemon.sh, tests/guix-download.sh, tests/guix-environment.sh,
tests/guix-gc.sh, tests/guix-git-authenticate.sh, tests/guix-graph.sh,
tests/guix-hash.sh, tests/guix-lint.sh, tests/guix-pack-relocatable.sh,
tests/guix-pack.sh, tests/guix-package-aliases.sh, tests/guix-package-net.sh,
tests/guix-package.sh: Use the shell '!' keyword to negate command exit status
in place of 'if ...; then false; else true; fi'
</span></span></td><td>Eric Bavier</td></tr>
<tr><td><span title='2019-12-12 17:56:58 +0100'>2019-12-12</span></td><td><a href='/guix/commit/tests/guix-archive.sh?id=044277f610b02c3821afa0afdc2b2b140bb92cb4'>guix archive: Add '--list'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/scripts/archive.scm (show-help, %options): Add '--list'.
(list-contents): New procedure.
(guix-archive): Honor the '--list' option.
* tests/guix-archive.sh: Test it.
* doc/guix.texi (Invoking guix archive): Document it.
</span></span></td><td>Ludovic Courtès</td></tr>