| public Emit ( NfsPacket &packet ) : System.Boolean | ||
| packet | NfsPacket | |
| return | System.Boolean | |
public virtual NfsPacket Create(uint xid, NfsPacket packet)
{
try {
FileHandle dirFH = new FileHandle(packet);
string entry = packet.GetString();
string dirName = GetNameFromHandle(dirFH.Handle, xid);
string path = Path.Combine(dirName, entry);
// make the file
if (File.Exists(path))
{
throw new NFSException(xid, (uint)NfsReply.ERR_EXIST);
}
using (var file = File.Create(path)) { }
// make a new handle for this file
FileHandle fh = new FileHandle();
long handle = HandleManager.Current.GetHandle(path);
fh.Set(dirFH.Root, (uint)handle, dirFH.ReadOnly);
// get the attributes of this new file
NfsFileAttributes fa = new NfsFileAttributes();
fa.Load(path);
// create the reply packet
NfsPacket reply = new NfsPacket(128);
reply.AddReplyHeader(xid);
reply.SetUInt((uint)NfsReply.OK);
fh.Emit(ref reply);
fa.Emit(ref reply);
return(reply);
}
catch (FileNotFoundException) {
throw new NFSException(xid, (uint)NfsReply.ERR_IO);
}
catch (IOException) {
throw new NFSException(xid, (uint)NfsReply.ERR_IO);
}
catch (System.Security.SecurityException) {
throw new NFSException(xid, (uint)NfsReply.ERR_PERM);
}
}
public virtual NfsPacket Create(uint xid, NfsPacket packet)
{
try {
FileHandle dirFH = new FileHandle(packet);
string entry = packet.GetString();
string dirName = GetNameFromHandle(dirFH.Handle, xid);
string path = Path.Combine(dirName, entry);
// make the file
if (File.Exists(path)) {
throw new NFSException(xid, (uint)NfsReply.ERR_EXIST);
}
using (var file = File.Create(path)) { }
// make a new handle for this file
FileHandle fh = new FileHandle();
long handle = HandleManager.Current.GetHandle(path);
fh.Set(dirFH.Root, (uint)handle, dirFH.ReadOnly);
// get the attributes of this new file
NfsFileAttributes fa = new NfsFileAttributes();
fa.Load(path);
// create the reply packet
NfsPacket reply = new NfsPacket(128);
reply.AddReplyHeader(xid);
reply.SetUInt((uint)NfsReply.OK);
fh.Emit(ref reply);
fa.Emit(ref reply);
return reply;
}
catch (FileNotFoundException) {
throw new NFSException(xid, (uint)NfsReply.ERR_IO);
}
catch (IOException) {
throw new NFSException(xid, (uint)NfsReply.ERR_IO);
}
catch (System.Security.SecurityException) {
throw new NFSException(xid, (uint)NfsReply.ERR_PERM);
}
}
public virtual NfsPacket Lookup(NfsPacket packet)
{
try {
FileHandle dir = new FileHandle(packet);
String entry = packet.GetString();
String dirName = GetNameFromHandle(dir.Handle, packet.XID);
String fileName = Path.Combine(dirName, entry);
Console.WriteLine("Lookup -> " + entry);
if (!File.Exists(fileName) && !Directory.Exists(fileName))
{
throw new NFSException(packet.XID, (uint)NfsReply.ERR_NOENT);
}
NfsFileAttributes attributes = new NfsFileAttributes();
attributes.Load(fileName);
// make a FileHandle for this new path
uint handleId = HandleManager.Current.GetHandle(fileName);
FileHandle handle = new FileHandle();
handle.Set(dir.Root, handleId, dir.ReadOnly);
// make the reply
NfsPacket reply = new NfsPacket(128);
reply.AddReplyHeader(packet.XID);
reply.SetUInt((uint)NfsReply.OK);
handle.Emit(ref reply);
attributes.Emit(ref reply);
return(reply);
}
catch (FileNotFoundException) {
throw new NFSException(packet.XID, (uint)NfsReply.ERR_NOENT);
}
}
public virtual NfsPacket Mkdir(uint xid, NfsPacket packet)
{
try {
FileHandle fileHandle = new FileHandle(packet);
string entry = packet.GetString();
string dirName = GetNameFromHandle(fileHandle.Handle, xid);
string newdir = Path.Combine(dirName, entry);
var dir = new DirectoryInfo(newdir);
if (dir.Exists)
{
throw new NFSException(xid, (uint)NfsReply.ERR_EXIST);
}
dir.Create();
// make a FileHandle for this directory
long handle = HandleManager.Current.GetHandle(newdir);
FileHandle newFH = new FileHandle();
newFH.Set(fileHandle.Root, (uint)handle, fileHandle.ReadOnly);
// get the attributes
NfsFileAttributes fa = new NfsFileAttributes();
fa.Load(newdir);
NfsPacket reply = new NfsPacket(128);
reply.AddReplyHeader(xid);
reply.SetUInt((uint)NfsReply.OK);
newFH.Emit(ref reply);
fa.Emit(ref reply);
return(reply);
}
catch (FileNotFoundException) {
throw new NFSException(xid, (uint)NfsReply.ERR_IO);
}
}
private void Mount(NfsPacket sourcePacket, IPEndPoint receivedFrom)
{
NfsReply replyCode = NfsReply.OK;
NfsPacket packet = new NfsPacket(128);
packet.AddReplyHeader(sourcePacket.XID);
// skip past the authentication records
sourcePacket.ReadAuthentication();
sourcePacket.ReadAuthentication();
// next should be a dirpath, which is a string. Replace unix style path with local style path
String path = sourcePacket.GetString();
if (path == null)
{
replyCode = NfsReply.ERR_STALE;
}
else
{
String original = path.Clone() as String;
path = NfsPath.ToWin(path);
//Console.WriteLine("MountHandler.Mount : requested: " + original + ", actual: " + path);
//if (!Directory.Exists(path)) {
// replyCode = NfsReply.ERR_EXIST;
//}
}
// Try to validate this mount, if there is an error make an error packet, otherwise send back the handle.
if (replyCode != NfsReply.OK)
{
packet.SetUInt((uint)replyCode);
}
else if (false) //exports.Matches(packet.Source(), path) == false) {
// No permission for this mount in the exports file
//result.AddLong(NFS.NFSERR_PERM);
//Console.Error.WriteLine("!!! Mount request for " + path + "from " + packet.Source() + " denied.\n");
{
}
else
{
// put together a file handle
uint handle = HandleManager.Current.GetHandle(path);
var fileHandle = new FileSystem.FileHandle();
fileHandle.Set(handle, (uint)handle, 0);
packet.SetUInt((uint)replyCode);
fileHandle.Emit(ref packet);
}
if (replyCode == NfsReply.OK)
{
MountManager.Current.Add(sourcePacket.RemoteHost, path);
}
Send(packet, receivedFrom);
}
public virtual NfsPacket Mkdir(uint xid, NfsPacket packet)
{
try {
FileHandle fileHandle = new FileHandle(packet);
string entry = packet.GetString();
string dirName = GetNameFromHandle(fileHandle.Handle, xid);
string newdir = Path.Combine(dirName, entry);
var dir = new DirectoryInfo(newdir);
if (dir.Exists) {
throw new NFSException(xid, (uint)NfsReply.ERR_EXIST);
}
dir.Create();
// make a FileHandle for this directory
long handle = HandleManager.Current.GetHandle(newdir);
FileHandle newFH = new FileHandle();
newFH.Set(fileHandle.Root, (uint)handle, fileHandle.ReadOnly);
// get the attributes
NfsFileAttributes fa = new NfsFileAttributes();
fa.Load(newdir);
NfsPacket reply = new NfsPacket(128);
reply.AddReplyHeader(xid);
reply.SetUInt((uint)NfsReply.OK);
newFH.Emit(ref reply);
fa.Emit(ref reply);
return reply;
}
catch (FileNotFoundException) {
throw new NFSException(xid, (uint)NfsReply.ERR_IO);
}
}
public virtual NfsPacket Lookup(NfsPacket packet)
{
try {
FileHandle dir = new FileHandle(packet);
String entry = packet.GetString();
String dirName = GetNameFromHandle(dir.Handle, packet.XID);
String fileName = Path.Combine(dirName, entry);
Console.WriteLine("Lookup -> " + entry);
if (!File.Exists(fileName) && !Directory.Exists(fileName)) {
throw new NFSException(packet.XID, (uint)NfsReply.ERR_NOENT);
}
NfsFileAttributes attributes = new NfsFileAttributes();
attributes.Load(fileName);
// make a FileHandle for this new path
uint handleId = HandleManager.Current.GetHandle(fileName);
FileHandle handle = new FileHandle();
handle.Set(dir.Root, handleId, dir.ReadOnly);
// make the reply
NfsPacket reply = new NfsPacket(128);
reply.AddReplyHeader(packet.XID);
reply.SetUInt((uint)NfsReply.OK);
handle.Emit(ref reply);
attributes.Emit(ref reply);
return reply;
}
catch (FileNotFoundException) {
throw new NFSException(packet.XID, (uint)NfsReply.ERR_NOENT);
}
}
private void Mount(NfsPacket sourcePacket, IPEndPoint receivedFrom)
{
NfsReply replyCode = NfsReply.OK;
NfsPacket packet = new NfsPacket(128);
packet.AddReplyHeader(sourcePacket.XID);
// skip past the authentication records
sourcePacket.ReadAuthentication();
sourcePacket.ReadAuthentication();
// next should be a dirpath, which is a string. Replace unix style path with local style path
String path = sourcePacket.GetString();
if (path == null) {
replyCode = NfsReply.ERR_STALE;
}
else {
String original = path.Clone() as String;
path = NfsPath.ToWin(path);
//Console.WriteLine("MountHandler.Mount : requested: " + original + ", actual: " + path);
//if (!Directory.Exists(path)) {
// replyCode = NfsReply.ERR_EXIST;
//}
}
// Try to validate this mount, if there is an error make an error packet, otherwise send back the handle.
if (replyCode != NfsReply.OK) {
packet.SetUInt((uint)replyCode);
}
else if (false){ //exports.Matches(packet.Source(), path) == false) {
// No permission for this mount in the exports file
//result.AddLong(NFS.NFSERR_PERM);
//Console.Error.WriteLine("!!! Mount request for " + path + "from " + packet.Source() + " denied.\n");
}
else {
// put together a file handle
uint handle = HandleManager.Current.GetHandle(path);
var fileHandle = new FileSystem.FileHandle();
fileHandle.Set(handle, (uint)handle, 0);
packet.SetUInt((uint)replyCode);
fileHandle.Emit(ref packet);
}
if (replyCode == NfsReply.OK) {
MountManager.Current.Add(sourcePacket.RemoteHost, path);
}
Send(packet, receivedFrom);
}
