/// <exception cref="System.IO.IOException"/>
internal static HdfsFileStatus RemoveDefaultAcl(FSDirectory fsd, string srcArg)
{
string src = srcArg;
CheckAclsConfigFlag(fsd);
FSPermissionChecker pc = fsd.GetPermissionChecker();
byte[][] pathComponents = FSDirectory.GetPathComponentsForReservedPath(src);
src = fsd.ResolvePath(pc, src, pathComponents);
INodesInPath iip;
fsd.WriteLock();
try
{
iip = fsd.GetINodesInPath4Write(FSDirectory.NormalizePath(src), true);
fsd.CheckOwner(pc, iip);
INode inode = FSDirectory.ResolveLastINode(iip);
int snapshotId = iip.GetLatestSnapshotId();
IList <AclEntry> existingAcl = AclStorage.ReadINodeLogicalAcl(inode);
IList <AclEntry> newAcl = AclTransformation.FilterDefaultAclEntries(existingAcl);
AclStorage.UpdateINodeAcl(inode, newAcl, snapshotId);
fsd.GetEditLog().LogSetAcl(src, newAcl);
}
finally
{
fsd.WriteUnlock();
}
return(fsd.GetAuditFileInfo(iip));
}
/// <exception cref="System.IO.IOException"/>
internal static IList <AclEntry> UnprotectedSetAcl(FSDirectory fsd, string src, IList
<AclEntry> aclSpec, bool fromEdits)
{
System.Diagnostics.Debug.Assert(fsd.HasWriteLock());
INodesInPath iip = fsd.GetINodesInPath4Write(FSDirectory.NormalizePath(src), true
);
// ACL removal is logged to edits as OP_SET_ACL with an empty list.
if (aclSpec.IsEmpty())
{
UnprotectedRemoveAcl(fsd, iip);
return(AclFeature.EmptyEntryList);
}
INode inode = FSDirectory.ResolveLastINode(iip);
int snapshotId = iip.GetLatestSnapshotId();
IList <AclEntry> newAcl = aclSpec;
if (!fromEdits)
{
IList <AclEntry> existingAcl = AclStorage.ReadINodeLogicalAcl(inode);
newAcl = AclTransformation.ReplaceAclEntries(existingAcl, aclSpec);
}
AclStorage.UpdateINodeAcl(inode, newAcl, snapshotId);
return(newAcl);
}
/// <summary>create a directory at path specified by parent</summary>
/// <exception cref="Org.Apache.Hadoop.Hdfs.Protocol.QuotaExceededException"/>
/// <exception cref="Org.Apache.Hadoop.Hdfs.Protocol.AclException"/>
/// <exception cref="Org.Apache.Hadoop.FS.FileAlreadyExistsException"/>
private static INodesInPath UnprotectedMkdir(FSDirectory fsd, long inodeId, INodesInPath
parent, byte[] name, PermissionStatus permission, IList <AclEntry> aclEntries, long
timestamp)
{
System.Diagnostics.Debug.Assert(fsd.HasWriteLock());
System.Diagnostics.Debug.Assert(parent.GetLastINode() != null);
if (!parent.GetLastINode().IsDirectory())
{
throw new FileAlreadyExistsException("Parent path is not a directory: " + parent.
GetPath() + " " + DFSUtil.Bytes2String(name));
}
INodeDirectory dir = new INodeDirectory(inodeId, name, permission, timestamp);
INodesInPath iip = fsd.AddLastINode(parent, dir, true);
if (iip != null && aclEntries != null)
{
AclStorage.UpdateINodeAcl(dir, aclEntries, Org.Apache.Hadoop.Hdfs.Server.Namenode.Snapshot.Snapshot
.CurrentStateId);
}
return(iip);
}
/// <exception cref="System.IO.IOException"/>
private void AddAcl(INodeWithAdditionalFields inode, params AclEntry[] acl)
{
AclStorage.UpdateINodeAcl(inode, Arrays.AsList(acl), Org.Apache.Hadoop.Hdfs.Server.Namenode.Snapshot.Snapshot
.CurrentStateId);
}