| 1 | # GNU Guix --- Functional package management for GNU |
| 2 | # Copyright © 2013, 2014, 2020 Ludovic Courtès <ludo@gnu.org> |
| 3 | # |
| 4 | # This file is part of GNU Guix. |
| 5 | # |
| 6 | # GNU Guix is free software; you can redistribute it and/or modify it |
| 7 | # under the terms of the GNU General Public License as published by |
| 8 | # the Free Software Foundation; either version 3 of the License, or (at |
| 9 | # your option) any later version. |
| 10 | # |
| 11 | # GNU Guix is distributed in the hope that it will be useful, but |
| 12 | # WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | # GNU General Public License for more details. |
| 15 | # |
| 16 | # You should have received a copy of the GNU General Public License |
| 17 | # along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. |
| 18 | |
| 19 | # |
| 20 | # Test the 'guix authenticate' command-line utility. |
| 21 | # |
| 22 | |
| 23 | guix authenticate --version |
| 24 | |
| 25 | sig="t-signature-$$" |
| 26 | hash="t-hash-$$" |
| 27 | rm -f "$sig" "$hash" |
| 28 | |
| 29 | trap 'rm -f "$sig" "$hash"' EXIT |
| 30 | |
| 31 | key="$abs_top_srcdir/tests/keys/signing-key.sec" |
| 32 | key_len="`echo -n $key | wc -c`" |
| 33 | |
| 34 | # A hexadecimal string as long as a sha256 hash. |
| 35 | hash="2749f0ea9f26c6c7be746a9cff8fa4c2f2a02b000070dba78429e9a11f87c6eb" |
| 36 | hash_len="`echo -n $hash | wc -c`" |
| 37 | |
| 38 | echo "sign $key_len:$key $hash_len:$hash" | guix authenticate > "$sig" |
| 39 | test -f "$sig" |
| 40 | case "$(cat $sig)" in |
| 41 | "0 "*) ;; |
| 42 | *) echo "broken signature: $(cat $sig)" |
| 43 | exit 42;; |
| 44 | esac |
| 45 | |
| 46 | # Remove the leading "0". |
| 47 | sed -i "$sig" -e's/^0 //g' |
| 48 | |
| 49 | hash2="$(echo verify $(cat "$sig") | guix authenticate)" |
| 50 | test "$(echo $hash2 | cut -d : -f 2)" = "$hash" |
| 51 | |
| 52 | # Detect corrupt signatures. |
| 53 | code="$(echo "verify 5:wrong" | guix authenticate | cut -f1 -d ' ')" |
| 54 | test "$code" -ne 0 |
| 55 | |
| 56 | # Detect invalid signatures. |
| 57 | # The signature has (payload (data ... (hash sha256 #...#))). We proceed by |
| 58 | # modifying this hash. |
| 59 | sed -i "$sig" \ |
| 60 | -e's|#[A-Z0-9]\{64\}#|#0000000000000000000000000000000000000000000000000000000000000000#|g' |
| 61 | code="$(echo "verify $(cat $sig)" | guix authenticate | cut -f1 -d ' ')" |
| 62 | test "$code" -ne 0 |
| 63 | |
| 64 | # Make sure byte strings are correctly encoded. The hash string below is |
| 65 | # "café" repeated 8 times. Libgcrypt would normally choose to write it as a |
| 66 | # string rather than a hex sequence. We want that string to be Latin-1 |
| 67 | # encoded independently of the current locale: <https://bugs.gnu.org/43421>. |
| 68 | hash="636166e9636166e9636166e9636166e9636166e9636166e9636166e9636166e9" |
| 69 | latin1_cafe="caf$(printf '\351')" |
| 70 | echo "sign 26:tests/keys/signing-key.sec 64:$hash" | guix authenticate \ |
| 71 | | LC_ALL=C grep "hash sha256 \"$latin1_cafe" |
| 72 | |
| 73 | # Test for <http://bugs.gnu.org/17312>: make sure 'guix authenticate' produces |
| 74 | # valid signatures when run in the C locale. |
| 75 | hash="5eff0b55c9c5f5e87b4e34cd60a2d5654ca1eb78c7b3c67c3179fed1cff07b4c" |
| 76 | |
| 77 | LC_ALL=C |
| 78 | export LC_ALL |
| 79 | |
| 80 | echo "sign $key_len:$key $hash_len:$hash" | guix authenticate > "$sig" |
| 81 | |
| 82 | # Remove the leading "0". |
| 83 | sed -i "$sig" -e's/^0 //g' |
| 84 | |
| 85 | echo "verify $(cat $sig)" | guix authenticate |
| 86 | hash2="$(echo "verify $(cat $sig)" | guix authenticate | cut -f2 -d ' ')" |
| 87 | test "$(echo $hash2 | cut -d : -f 2)" = "$hash" |