88 lines
3.0 KiB
Bash
88 lines
3.0 KiB
Bash
# GNU Guix --- Functional package management for GNU
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# Copyright © 2013, 2014, 2020 Ludovic Courtès <ludo@gnu.org>
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#
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# This file is part of GNU Guix.
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#
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# GNU Guix is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or (at
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# your option) any later version.
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#
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# GNU Guix is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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#
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# Test the 'guix authenticate' command-line utility.
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#
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guix authenticate --version
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sig="t-signature-$$"
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hash="t-hash-$$"
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rm -f "$sig" "$hash"
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trap 'rm -f "$sig" "$hash"' EXIT
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key="$abs_top_srcdir/tests/keys/signing-key.sec"
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key_len="`echo -n $key | wc -c`"
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# A hexadecimal string as long as a sha256 hash.
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hash="2749f0ea9f26c6c7be746a9cff8fa4c2f2a02b000070dba78429e9a11f87c6eb"
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hash_len="`echo -n $hash | wc -c`"
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echo "sign $key_len:$key $hash_len:$hash" | guix authenticate > "$sig"
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test -f "$sig"
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case "$(cat $sig)" in
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"0 "*) ;;
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*) echo "broken signature: $(cat $sig)"
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exit 42;;
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esac
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# Remove the leading "0".
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sed -i "$sig" -e's/^0 //g'
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hash2="$(echo verify $(cat "$sig") | guix authenticate)"
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test "$(echo $hash2 | cut -d : -f 2)" = "$hash"
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# Detect corrupt signatures.
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code="$(echo "verify 5:wrong" | guix authenticate | cut -f1 -d ' ')"
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test "$code" -ne 0
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# Detect invalid signatures.
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# The signature has (payload (data ... (hash sha256 #...#))). We proceed by
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# modifying this hash.
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sed -i "$sig" \
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-e's|#[A-Z0-9]\{64\}#|#0000000000000000000000000000000000000000000000000000000000000000#|g'
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code="$(echo "verify $(cat $sig)" | guix authenticate | cut -f1 -d ' ')"
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test "$code" -ne 0
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# Make sure byte strings are correctly encoded. The hash string below is
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# "café" repeated 8 times. Libgcrypt would normally choose to write it as a
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# string rather than a hex sequence. We want that string to be Latin-1
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# encoded independently of the current locale: <https://bugs.gnu.org/43421>.
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hash="636166e9636166e9636166e9636166e9636166e9636166e9636166e9636166e9"
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latin1_cafe="caf$(printf '\351')"
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echo "sign 26:tests/keys/signing-key.sec 64:$hash" | guix authenticate \
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| LC_ALL=C grep "hash sha256 \"$latin1_cafe"
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# Test for <http://bugs.gnu.org/17312>: make sure 'guix authenticate' produces
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# valid signatures when run in the C locale.
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hash="5eff0b55c9c5f5e87b4e34cd60a2d5654ca1eb78c7b3c67c3179fed1cff07b4c"
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LC_ALL=C
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export LC_ALL
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echo "sign $key_len:$key $hash_len:$hash" | guix authenticate > "$sig"
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# Remove the leading "0".
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sed -i "$sig" -e's/^0 //g'
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echo "verify $(cat $sig)" | guix authenticate
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hash2="$(echo "verify $(cat $sig)" | guix authenticate | cut -f2 -d ' ')"
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test "$(echo $hash2 | cut -d : -f 2)" = "$hash"
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