tests/cksum/md5sum-bsd.sh

   1 #!/bin/sh
   2 # 'md5sum' tests for generation and checking of
   3 # BSD traditional and alternate formats (md5 [-r])
   4
   5 # Copyright (C) 2011-2024 Free Software Foundation, Inc.
   6
   7 # This program is free software: you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation, either version 3 of the License, or
  10 # (at your option) any later version.
  11
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19
  20 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  21 print_ver_ md5sum
  22
  23 ## BSD alternate format tests ##
  24
  25 # Ensure we can --check BSD alternate format.
  26 # Note we start this list with a name
  27 # that's unambiguous in BSD format.
  28 # I.e., one not starting with ' ' or '*'
  29 for i in 'a' ' b' '*c' 'dd' ' '; do
  30   echo "$i" > "$i"
  31   md5sum --text "$i" >> check.md5sum || fail=1
  32 done
  33 sed 's/  / /' check.md5sum > check.md5
  34
  35 # Note only a single format is supported per run
  36 md5sum --strict -c check.md5sum || fail=1
  37 md5sum --strict -c check.md5 || fail=1
  38
  39 # Ensure we don't trigger BSD reversed format with GPG headers etc.
  40 { echo '____not_all_hex_so_no_match_____ blah';
  41   cat check.md5sum; } > check2.md5sum || framework_failure_
  42 md5sum -c check2.md5sum 2>check2.err || fail=1
  43 echo 'md5sum: WARNING: 1 line is improperly formatted' >check2.exp
  44 compare check2.exp check2.err || fail=1
  45
  46 # If we skip the first entry in the BSD format checksums
  47 # then it'll be detected as standard format and error.
  48 # This unlikely caveat was thought better than mandating
  49 # an option to avoid the ambiguity.
  50 tail -n+2 check.md5 | returns_ 1 md5sum --strict -c || fail=1
  51
  52
  53 ## BSD traditional format tests (--tag option) ##
  54
  55 # Ensure --tag and --check are mutually exclusive
  56 returns_ 1 md5sum --tag --check /dev/null || fail=1
  57
  58 # Ensure --tag and --text are mutually exclusive
  59 # We don't support --text with BSD tradition format,
  60 # as that would complicate the output format,
  61 # while providing little benefit over --text processing
  62 # available with the default md5sum output format.
  63 returns_ 1 md5sum --tag --text /dev/null || fail=1
  64
  65 # Ensure we can --check BSD traditional format we produce
  66 rm check.md5
  67 for i in 'a' ' b' '*c' 'dd' ' '; do
  68   echo "$i" > "$i"
  69   md5sum --tag "$i" >> check.md5 || fail=1
  70 done
  71 md5sum --strict -c check.md5 || fail=1
  72
  73 if : > 'backslash\is\not\dir\sep'; then
  74   # Ensure we can --check BSD traditional format we produce
  75   # with the GNU extension of escaped newlines
  76   nl='
  77 '
  78   t='   '
  79   rm check.md5
  80   for i in 'a\b' 'a\' '\a' "a${nl}b" "a${t}b"; do
  81     : > "$i"
  82     md5sum --tag "$i" >> check.md5 || fail=1
  83   done
  84   md5sum --strict -c check.md5 > out || fail=1
  85   printf '%s: OK\n' '\a\\b' '\a\\' '\\\a' '\a\nb' "a${t}b" > exp ||
  86     framework_failure_
  87   compare exp out || fail=1
  88
  89
  90   # Ensure BSD traditional format with GNU extension escapes
  91   # is in the expected format
  92   ex_file='test
  93 \\file'
  94   ex_output='\MD5 (test\n\\\\file) = d41d8cd98f00b204e9800998ecf8427e'
  95   touch "$ex_file"
  96   printf "%s\n" "$ex_output" > exp
  97   md5sum --tag "$ex_file" > out || fail=1
  98   compare exp out || fail=1
  99 fi
 100
 101 Exit $fail