tests/qemu-iotests/075

   1 #!/bin/bash
   2 #
   3 # cloop format input validation tests
   4 #
   5 # Copyright (C) 2013 Red Hat, 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 2 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 <http://www.gnu.org/licenses/>.
  19 #
  20
  21 # creator
  22 owner=stefanha@redhat.com
  23
  24 seq=`basename $0`
  25 echo "QA output created by $seq"
  26
  27 here=`pwd`
  28 tmp=/tmp/$$
  29 status=1        # failure is the default!
  30
  31 _cleanup()
  32 {
  33         _cleanup_test_img
  34 }
  35 trap "_cleanup; exit \$status" 0 1 2 3 15
  36
  37 # get standard environment, filters and checks
  38 . ./common.rc
  39 . ./common.filter
  40
  41 _supported_fmt cloop
  42 _supported_proto generic
  43 _supported_os Linux
  44
  45 block_size_offset=128
  46 n_blocks_offset=132
  47 offsets_offset=136
  48
  49 echo
  50 echo "== check that the first sector can be read =="
  51 _use_sample_img simple-pattern.cloop.bz2
  52 $QEMU_IO -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  53
  54 echo
  55 echo "== check that the last sector can be read =="
  56 _use_sample_img simple-pattern.cloop.bz2
  57 $QEMU_IO -c "read $((1024 * 1024 - 512)) 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  58
  59 echo
  60 echo "== block_size must be a multiple of 512 =="
  61 _use_sample_img simple-pattern.cloop.bz2
  62 poke_file "$TEST_IMG" "$block_size_offset" "\x00\x00\x02\x01"
  63 $QEMU_IO -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  64
  65 echo
  66 echo "== block_size cannot be zero =="
  67 _use_sample_img simple-pattern.cloop.bz2
  68 poke_file "$TEST_IMG" "$block_size_offset" "\x00\x00\x00\x00"
  69 $QEMU_IO -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  70
  71 echo
  72 echo "== huge block_size ==="
  73 _use_sample_img simple-pattern.cloop.bz2
  74 poke_file "$TEST_IMG" "$block_size_offset" "\xff\xff\xfe\x00"
  75 $QEMU_IO -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  76
  77 echo
  78 echo "== offsets_size overflow ==="
  79 _use_sample_img simple-pattern.cloop.bz2
  80 poke_file "$TEST_IMG" "$n_blocks_offset" "\xff\xff\xff\xff"
  81 $QEMU_IO -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  82
  83 echo
  84 echo "== refuse images that require too many offsets ==="
  85 _use_sample_img simple-pattern.cloop.bz2
  86 poke_file "$TEST_IMG" "$n_blocks_offset" "\x04\x00\x00\x01"
  87 $QEMU_IO -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  88
  89 echo
  90 echo "== refuse images with non-monotonically increasing offsets =="
  91 _use_sample_img simple-pattern.cloop.bz2
  92 poke_file "$TEST_IMG" "$offsets_offset" "\x00\x00\x00\x00\xff\xff\xff\xff"
  93 poke_file "$TEST_IMG" $((offsets_offset + 8)) "\x00\x00\x00\x00\xff\xfe\x00\x00"
  94 $QEMU_IO -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  95
  96 echo
  97 echo "== refuse images with invalid compressed block size =="
  98 _use_sample_img simple-pattern.cloop.bz2
  99 poke_file "$TEST_IMG" "$offsets_offset" "\x00\x00\x00\x00\x00\x00\x00\x00"
 100 poke_file "$TEST_IMG" $((offsets_offset + 8)) "\xff\xff\xff\xff\xff\xff\xff\xff"
 101 $QEMU_IO -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
 102
 103 # success, all done
 104 echo "*** done"
 105 rm -f $seq.full
 106 status=0