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 status=1        # failure is the default!
  28
  29 _cleanup()
  30 {
  31         _cleanup_test_img
  32 }
  33 trap "_cleanup; exit \$status" 0 1 2 3 15
  34
  35 # get standard environment, filters and checks
  36 . ./common.rc
  37 . ./common.filter
  38
  39 _supported_fmt cloop
  40 _supported_proto file
  41 _supported_os Linux
  42
  43 block_size_offset=128
  44 n_blocks_offset=132
  45 offsets_offset=136
  46
  47 echo
  48 echo "== check that the first sector can be read =="
  49 _use_sample_img simple-pattern.cloop.bz2
  50 $QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  51
  52 echo
  53 echo "== check that the last sector can be read =="
  54 _use_sample_img simple-pattern.cloop.bz2
  55 $QEMU_IO -r -c "read $((1024 * 1024 - 512)) 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  56
  57 echo
  58 echo "== block_size must be a multiple of 512 =="
  59 _use_sample_img simple-pattern.cloop.bz2
  60 poke_file "$TEST_IMG" "$block_size_offset" "\x00\x00\x02\x01"
  61 $QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  62
  63 echo
  64 echo "== block_size cannot be zero =="
  65 _use_sample_img simple-pattern.cloop.bz2
  66 poke_file "$TEST_IMG" "$block_size_offset" "\x00\x00\x00\x00"
  67 $QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  68
  69 echo
  70 echo "== huge block_size ==="
  71 _use_sample_img simple-pattern.cloop.bz2
  72 poke_file "$TEST_IMG" "$block_size_offset" "\xff\xff\xfe\x00"
  73 $QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  74
  75 echo
  76 echo "== offsets_size overflow ==="
  77 _use_sample_img simple-pattern.cloop.bz2
  78 poke_file "$TEST_IMG" "$n_blocks_offset" "\xff\xff\xff\xff"
  79 $QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  80
  81 echo
  82 echo "== refuse images that require too many offsets ==="
  83 _use_sample_img simple-pattern.cloop.bz2
  84 poke_file "$TEST_IMG" "$n_blocks_offset" "\x04\x00\x00\x01"
  85 $QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  86
  87 echo
  88 echo "== refuse images with non-monotonically increasing offsets =="
  89 _use_sample_img simple-pattern.cloop.bz2
  90 poke_file "$TEST_IMG" "$offsets_offset" "\x00\x00\x00\x00\xff\xff\xff\xff"
  91 poke_file "$TEST_IMG" $((offsets_offset + 8)) "\x00\x00\x00\x00\xff\xfe\x00\x00"
  92 $QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
  93
  94 echo
  95 echo "== refuse images with invalid compressed block size =="
  96 _use_sample_img simple-pattern.cloop.bz2
  97 poke_file "$TEST_IMG" "$offsets_offset" "\x00\x00\x00\x00\x00\x00\x00\x00"
  98 poke_file "$TEST_IMG" $((offsets_offset + 8)) "\xff\xff\xff\xff\xff\xff\xff\xff"
  99 $QEMU_IO -r -c "read 0 512" $TEST_IMG 2>&1 | _filter_qemu_io | _filter_testdir
 100
 101 # success, all done
 102 echo "*** done"
 103 rm -f $seq.full
 104 status=0