tests/qemu-iotests/075

   1 #!/usr/bin/env bash
   2 # group: rw quick
   3 #
   4 # cloop format input validation tests
   5 #
   6 # Copyright (C) 2013 Red Hat, Inc.
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21
  22 # creator
  23 owner=stefanha@redhat.com
  24
  25 seq=`basename $0`
  26 echo "QA output created by $seq"
  27
  28 status=1        # failure is the default!
  29
  30 _cleanup()
  31 {
  32         _cleanup_test_img
  33 }
  34 trap "_cleanup; exit \$status" 0 1 2 3 15
  35
  36 # get standard environment, filters and checks
  37 . ./common.rc
  38 . ./common.filter
  39
  40 _supported_fmt cloop
  41 _supported_proto file
  42 _supported_os Linux
  43
  44 block_size_offset=128
  45 n_blocks_offset=132
  46 offsets_offset=136
  47
  48 echo
  49 echo "== check that the first sector can be read =="
  50 _use_sample_img simple-pattern.cloop.bz2
  51 $QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  52
  53 echo
  54 echo "== check that the last sector can be read =="
  55 _use_sample_img simple-pattern.cloop.bz2
  56 $QEMU_IO -r -c "read $((1024 * 1024 - 512)) 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  57
  58 echo
  59 echo "== block_size must be a multiple of 512 =="
  60 _use_sample_img simple-pattern.cloop.bz2
  61 poke_file "$TEST_IMG" "$block_size_offset" "\x00\x00\x02\x01"
  62 $QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  63
  64 echo
  65 echo "== block_size cannot be zero =="
  66 _use_sample_img simple-pattern.cloop.bz2
  67 poke_file "$TEST_IMG" "$block_size_offset" "\x00\x00\x00\x00"
  68 $QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  69
  70 echo
  71 echo "== huge block_size ==="
  72 _use_sample_img simple-pattern.cloop.bz2
  73 poke_file "$TEST_IMG" "$block_size_offset" "\xff\xff\xfe\x00"
  74 $QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  75
  76 echo
  77 echo "== offsets_size overflow ==="
  78 _use_sample_img simple-pattern.cloop.bz2
  79 poke_file "$TEST_IMG" "$n_blocks_offset" "\xff\xff\xff\xff"
  80 $QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  81
  82 echo
  83 echo "== refuse images that require too many offsets ==="
  84 _use_sample_img simple-pattern.cloop.bz2
  85 poke_file "$TEST_IMG" "$n_blocks_offset" "\x04\x00\x00\x01"
  86 $QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  87
  88 echo
  89 echo "== refuse images with non-monotonically increasing offsets =="
  90 _use_sample_img simple-pattern.cloop.bz2
  91 poke_file "$TEST_IMG" "$offsets_offset" "\x00\x00\x00\x00\xff\xff\xff\xff"
  92 poke_file "$TEST_IMG" $((offsets_offset + 8)) "\x00\x00\x00\x00\xff\xfe\x00\x00"
  93 $QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  94
  95 echo
  96 echo "== refuse images with invalid compressed block size =="
  97 _use_sample_img simple-pattern.cloop.bz2
  98 poke_file "$TEST_IMG" "$offsets_offset" "\x00\x00\x00\x00\x00\x00\x00\x00"
  99 poke_file "$TEST_IMG" $((offsets_offset + 8)) "\xff\xff\xff\xff\xff\xff\xff\xff"
 100 $QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
 101
 102 # success, all done
 103 echo "*** done"
 104 rm -f $seq.full
 105 status=0