diff options
Diffstat (limited to 'src/main/java/org/openslx/util')
-rw-r--r-- | src/main/java/org/openslx/util/vm/DiskImage.java | 38 |
1 files changed, 23 insertions, 15 deletions
diff --git a/src/main/java/org/openslx/util/vm/DiskImage.java b/src/main/java/org/openslx/util/vm/DiskImage.java index fc57e79..ed8f5db 100644 --- a/src/main/java/org/openslx/util/vm/DiskImage.java +++ b/src/main/java/org/openslx/util/vm/DiskImage.java @@ -71,9 +71,14 @@ public class DiskImage LOGGER.debug( "Validating disk file: " + disk.getAbsolutePath() ); try ( RandomAccessFile file = new RandomAccessFile( disk, "r" ) ) { // vmdk - if ( file.readInt() == VMDK_MAGIC ) { - file.seek( 512 ); - byte[] buffer = new byte[ 2048 ]; + boolean isVmdkMagic = ( file.readInt() == VMDK_MAGIC ); + if ( isVmdkMagic || file.length() < 4096 ) { + if ( isVmdkMagic ) { + file.seek( 512 ); + } else { + file.seek( 0 ); + } + byte[] buffer = new byte[ (int)Math.min( 2048, file.length() ) ]; file.readFully( buffer ); VmwareConfig config; try { @@ -82,20 +87,23 @@ public class DiskImage config = null; } if ( config != null ) { - subFormat = config.get( "createType" ); + String sf = config.get( "createType" ); String parent = config.get( "parentCID" ); - this.isStandalone = isStandaloneCreateType( subFormat, parent ); - this.isCompressed = subFormat != null && subFormat.equalsIgnoreCase( "streamOptimized" ); - this.isSnapshot = parent != null && !parent.equalsIgnoreCase( "ffffffff" ); - this.format = ImageFormat.VMDK; - String hwv = config.get( "ddb.virtualHWVersion" ); - if ( hwv == null ) { - this.hwVersion = 10; - } else { - this.hwVersion = Util.parseInt( hwv, 10 ); + if ( sf != null || parent != null ) { + subFormat = sf; + this.isStandalone = isStandaloneCreateType( subFormat, parent ); + this.isCompressed = subFormat != null && subFormat.equalsIgnoreCase( "streamOptimized" ); + this.isSnapshot = parent != null && !parent.equalsIgnoreCase( "ffffffff" ); + this.format = ImageFormat.VMDK; + String hwv = config.get( "ddb.virtualHWVersion" ); + if ( hwv == null ) { + this.hwVersion = 10; + } else { + this.hwVersion = Util.parseInt( hwv, 10 ); + } + this.diskDescription = null; + return; } - this.diskDescription = null; - return; } } // Format spec from: https://forums.virtualbox.org/viewtopic.php?t=8046 |