#!/bin/bash # # Test case for VDI header corruption; image too large, and too many blocks. # Also simple test for creating dynamic and static VDI images. # # Copyright (C) 2013 Red Hat, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. # # creator owner=jcody@redhat.com seq=`basename $0` echo "QA output created by $seq" here=`pwd` tmp=/tmp/$$ status=1 # failure is the default! _cleanup() { _cleanup_test_img } trap "_cleanup; exit \$status" 0 1 2 3 15 # get standard environment, filters and checks . ./common.rc . ./common.filter # This tests vdi-specific header fields _supported_fmt vdi _supported_proto file _supported_os Linux size=64M ds_offset=368 # disk image size field offset bs_offset=376 # block size field offset bii_offset=384 # block in image field offset echo echo "=== Statically allocated image creation ===" echo _make_test_img $size -o static _img_info stat -c"disk image file size in bytes: %s" "${TEST_IMG}" _cleanup_test_img echo echo "=== Testing image size bounds ===" echo _make_test_img $size _img_info stat -c"disk image file size in bytes: %s" "${TEST_IMG}" # check for image size too large # poke max image size, and appropriate blocks_in_image value echo "Test 1: Maximum size (512 TB - 128 MB):" poke_file "$TEST_IMG" "$ds_offset" "\x00\x00\x00\xf8\xff\xff\x01\x00" poke_file "$TEST_IMG" "$bii_offset" "\x80\xff\xff\x1f" _img_info echo echo "Test 2: Size too large (512 TB - 128 MB + 64 kB)" # This should be too large (-EINVAL): poke_file "$TEST_IMG" "$ds_offset" "\x00\x00\x01\xf8\xff\xff\x01\x00" _img_info echo echo "Test 3: Size valid (64M), but Blocks In Image too small (63)" # This sets the size to 64M, but with a blocks_in_image size that is # too small poke_file "$TEST_IMG" "$ds_offset" "\x00\x00\x00\x04\x00\x00\x00\x00" # For a 64M image, we would need a blocks_in_image value of at least 64, # so 63 should be too small and give us -ENOTSUP poke_file "$TEST_IMG" "$bii_offset" "\x3f\x00\x00\x00" _img_info echo echo "Test 4: Size valid (64M), but Blocks In Image exceeds max allowed" # Now check the bounds of blocks_in_image - 0x1fffff80 should be the max # value here, and we should get -ENOTSUP poke_file "$TEST_IMG" "$bii_offset" "\x81\xff\xff\x1f" _img_info # Finally, 1MB is the only block size supported. Verify that # a value != 1MB results in error, both smaller and larger echo echo "Test 5: Valid Image: 64MB, Blocks In Image 64, Block Size 1MB" poke_file "$TEST_IMG" "$bii_offset" "\x40\x00\x00\x00" # reset bii to valid poke_file "$TEST_IMG" "$bs_offset" "\x00\x00\x10\x00" # valid _img_info echo echo "Test 6: Block Size != 1MB; too small test (1MB - 1)" poke_file "$TEST_IMG" "$bs_offset" "\xff\xff\x0f\x00" # invalid (too small) _img_info echo echo "Test 7: Block Size != 1MB; too large test (1MB + 64KB)" poke_file "$TEST_IMG" "$bs_offset" "\x00\x00\x11\x00" # invalid (too large) _img_info # success, all done echo echo "*** done" rm -f $seq.full status=0