tests/guix-authenticate.sh

   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/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 # Test for <http://bugs.gnu.org/17312>: make sure 'guix authenticate' produces
  65 # valid signatures when run in the C locale.
  66 hash="5eff0b55c9c5f5e87b4e34cd60a2d5654ca1eb78c7b3c67c3179fed1cff07b4c"
  67
  68 LC_ALL=C
  69 export LC_ALL
  70
  71 echo "sign $key_len:$key $hash_len:$hash" | guix authenticate > "$sig"
  72
  73 # Remove the leading "0".
  74 sed -i "$sig" -e's/^0 //g'
  75
  76 echo "verify $(cat $sig)" | guix authenticate
  77 hash2="$(echo "verify $(cat $sig)" | guix authenticate | cut -f2 -d ' ')"
  78 test "$(echo $hash2 | cut -d : -f 2)" = "$hash"