t/tar-ustar-id-too-high.sh

   1 #! /bin/sh
   2 # Copyright (C) 2013-2017 Free Software Foundation, Inc.
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2, or (at your option)
   7 # any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  16
  17 # Check that UID or GID too high for the ustar format are correctly
  18 # rwcognized and diagnosed by configure.  See bug#8343 and bug#13588.
  19
  20 . test-init.sh
  21
  22 cat > configure.ac <<END
  23 AC_INIT([$me], [1.0])
  24 AM_INIT_AUTOMAKE([tar-ustar])
  25 AC_CONFIG_FILES([Makefile])
  26 AC_OUTPUT
  27 END
  28
  29 : > Makefile.am
  30
  31 run_configure()
  32 {
  33   st=0; ./configure ${1+"$@"}  >stdout || st=$?
  34   cat stdout || exit 1
  35   test $st -eq 0 || exit 1
  36 }
  37
  38 checked ()
  39 {
  40   grep "^checking $1\.\.\. $2$" stdout
  41 }
  42
  43 $ACLOCAL
  44 $AUTOCONF
  45 $AUTOMAKE
  46
  47 mkdir bin
  48 cat > bin/id <<'END'
  49 #!/bin/sh -e
  50 case "$*" in
  51   -u) echo "${am_uid-1000}";;
  52   -g) echo "${am_gid-1000}";;
  53    *) echo "id: bad/unexpected usage" >&2; exit 1;;
  54 esac
  55 END
  56 chmod a+x bin/id
  57
  58 PATH=$(pwd)/bin$PATH_SEPARATOR$PATH
  59
  60 # Problematic ID reported in
  61 # <https://bugzilla.redhat.com/show_bug.cgi?id=843376>.
  62 am_uid=16777216; export am_uid
  63 am_gid=1000;     export am_gid
  64 run_configure
  65 checked "whether UID '$am_uid' is supported by ustar format" "no"
  66 checked "whether GID '1000' is supported by ustar format" "yes"
  67 checked "how to create a ustar tar archive" "none"
  68
  69 # Another problematic ID reported in
  70 # <https://bugzilla.redhat.com/show_bug.cgi?id=843376>.
  71 am_uid=1000;     export am_uid
  72 am_gid=17000000; export am_gid
  73 run_configure
  74 checked "whether UID '1000' is supported by ustar format" "yes"
  75 checked "whether GID '$am_gid' is supported by ustar format" "no"
  76 checked "how to create a ustar tar archive" "none"
  77
  78 # The minimal ID that is too big.
  79 two_to_twentyone=$((32 * 32 * 32 * 32 * 2))
  80 # <https://bugzilla.redhat.com/show_bug.cgi?id=843376>.
  81 am_uid=$two_to_twentyone; export am_uid
  82 am_gid=$two_to_twentyone; export am_gid
  83 run_configure
  84 checked "whether UID '$two_to_twentyone' is supported by ustar format" "no"
  85 checked "whether GID '$two_to_twentyone' is supported by ustar format" "no"
  86 checked "how to create a ustar tar archive" "none"
  87
  88 :