# 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/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$(printf '\351')"
echo "sign 21:tests/signing-key.sec 64:$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"
td><a href='/guix/commit/tests/guix-pack-relocatable.sh?id=c088aa2988ef82289c87ebfd6d07d8f1464dd8f0'>pack: "fakechroot" engine always creates its store.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-07-28 14:41:04 +0200'>2020-07-28</span></td><td><a href='/guix/commit/tests/guix-pack-relocatable.sh?id=c6c0d5a22c2ee3d7164dab0129b2e4852a4ae76c'>pack: "fakechroot" execution engine can load its audit module.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-07-24 14:21:30 +0200'>2020-07-24</span></td><td><a href='/guix/commit/tests/guix-pack-relocatable.sh?id=a553892215157090ff892dc5cbbe85a25e837260'>pack: '-R' applies to propagated inputs too.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-05-14 17:21:27 +0200'>2020-05-14</span></td><td><a href='/guix/commit/tests/guix-pack-relocatable.sh?id=6456232164890dbf5aa20394ee24637feb4b7b9e'>pack: Add relocation via ld.so and fakechroot.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-05-14 17:21:27 +0200'>2020-05-14</span></td><td><a href='/guix/commit/tests/guix-pack-relocatable.sh?id=fde2aec3f498d5ec6db2121d72068e2b203e86cd'>pack: Wrapper honors 'GUIX_EXECUTION_ENGINE' environment variable.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-04-24 16:21:13 +0200'>2020-04-24</span></td><td><a href='/guix/commit/tests/guix-pack-relocatable.sh?id=2520059bdb43fa1663ce102f3f4c442d4918c32b'>pack: 'guix pack -R' wrapper correctly reports exit code.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-08-23 18:41:49 +0200'>2019-08-23</span></td><td><a href='/guix/commit/tests/guix-pack-relocatable.sh?id=b908fcd8c02c26b1e6cdc636b63306a01a21b994'>pack: '-R' honors the requested output.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-05-18 12:23:31 +0200'>2019-05-18</span></td><td><a href='/guix/commit/tests/guix-pack-relocatable.sh?id=baab87ac49e3f0f873e17eb16db9781189b1f2d1'>pack: '--localstatedir' and '-R' tests gracefully handle missing /gnu/store.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-05-09 17:42:31 +0200'>2019-05-09</span></td><td><a href='/guix/commit/tests/guix-pack-relocatable.sh?id=8deb65c37850bfca36429f3fe5239bd9236f969c'>tests: Ensure 'unshare' works before relying on it.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-03-15 23:27:59 +0100'>2019-03-15</span></td><td><a href='/guix/commit/tests/guix-pack-relocatable.sh?id=99aec37a78e7be6a591d0e5b7439896d669a75d1'>pack: "-RR" produces PRoot-enabled relocatable binaries.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-11-06 23:21:24 +0100'>2018-11-06</span></td><td><a href='/guix/commit/tests/guix-pack-relocatable.sh?id=b07014f55ae083f589ea286fca30890a9d705153'>pack: Add test for '--relocatable'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>