private void GetPort(rpcCracker cracker, rpcPacker packer)
{
const uint IPPROTO_UDP = 17;
uint prog = cracker.get_uint32();
uint vers = cracker.get_uint32();
uint prot = cracker.get_uint32();
uint port = cracker.get_uint32();
Console.WriteLine("prog:{0}, vers:{1}, prot:{2}, port:{3}", prog, vers, prot, port);
uint registeredPort = 0;
if (prot == IPPROTO_UDP)
{
if (prog == (uint)Progs.mountd && vers == (uint)Vers.mountd)
{
registeredPort = (uint)Ports.mountd;
}
else if (prog == (uint)Progs.nfsd && vers == (uint)Vers.nfsd)
{
registeredPort = (uint)Ports.nfsd;
}
}
packer.setUint32(registeredPort);
}
private void CrackVerifier(rpcCracker cracker)
{
uint flavor = cracker.get_uint32();
uint length = cracker.get_uint32();
//Console.WriteLine("{0}: Credentials. flavor:{1}, length:{2}", prog, flavor, length);
cracker.jump(length);
}
public sattr(rpcCracker cracker)
{
mode = cracker.get_uint32();
uid = cracker.get_uint32();
gid = cracker.get_uint32();
size = cracker.get_uint32();
atime = new timeval(cracker);
mtime = new timeval(cracker);
}
private void Mount(rpcCracker cracker, rpcPacker reply)
{
uint length = cracker.get_uint32();
string dirPath = "";
for (uint i = 0; i < length; ++i)
dirPath += cracker.get_char();
Console.WriteLine("Mount {0}:{1}", length, dirPath);
if (Directory.Exists(dirPath) == false)
{
reply.setUint32(2); // Errno for no such file or directory
reply.setUint32(0); // Where fh would go
}
else
{
fhandle fh = FileTable.Add(new FileEntry(dirPath));
reply.setUint32(0); // Success
fh.Pack(reply);
}
}
public fhandle(rpcCracker cracker)
{
index = cracker.get_uint32();
cracker.get_uint32();
cracker.get_uint32();
cracker.get_uint32();
cracker.get_uint32();
cracker.get_uint32();
cracker.get_uint32();
cracker.get_uint32();
}
private rpcPacker CrackRPC(rpcCracker cracker)
{
uint xid = cracker.get_uint32();
uint msg_type = cracker.get_uint32();
uint rpcvers = cracker.get_uint32();
uint prog = cracker.get_uint32();
uint vers = cracker.get_uint32();
uint proc = cracker.get_uint32();
#if DEBUG
Console.WriteLine("{0}> {1}: xid:{2}, type:{3}, rpcvers:{4}, prog:{5}, vers:{6}, proc:{7}", ++count, this.prog, xid, msg_type, rpcvers, prog, vers, proc);
#endif
if (msg_type != 0)
{
return(GarbageArgsReply(xid));
}
if (rpcvers != 2)
{
return(RPCMismatchReply(xid));
}
if (this.prog != prog && Prog(prog) != true)
{
return(ProgMismatchReply(xid));
}
CrackCredentials(cracker);
CrackVerifier(cracker);
try
{
rpcPacker reply = SuccessReply(xid);
if (proc != 0)
{
Proc(proc, cracker, reply);
}
return(reply);
}
catch (Exception e)
{
System.Console.WriteLine("Whoops: {0}", e);
return(ProcUnavilReply(xid));
}
}
private void Write(rpcCracker cracker, rpcPacker packer)
{
fhandle fh = new fhandle(cracker);
uint beginOffset = cracker.get_uint32();
uint offset = cracker.get_uint32();
uint totalcount = cracker.get_uint32();
Byte[] data = cracker.getData();
FileStream fs;
try
{
fs = new FileStream(FileTable.LookupFileEntry(fh).Name, FileMode.Open, FileAccess.Write);
}
catch (System.IO.FileNotFoundException)
{
FileTable.Remove(fh);
throw;
}
try
{
fs.Position = offset;
fs.Write(data, 0, data.Length);
attrstat.PackSuccess(packer, new fattr(fh));
}
finally
{
fs.Close();
}
}
private void ReadDir(rpcCracker cracker, rpcPacker packer)
{
fhandle fh = new fhandle(cracker);
uint cookie = cracker.get_uint32();
uint count = cracker.get_uint32();
FileEntry dir = FileTable.LookupFileEntry(fh);
//Console.WriteLine("ReadDir:{0}, cookie:{1}, count:{2}, resultsNULL:{3}", dir.Name, cookie, count, results == null);
if (cookie == 0 || results == null)
{
if (dir == null) throw new NFSStatusException(NFSStatus.NFSERR_EXIST);
try
{
results = new readdirres(dir.Name, count);
}
catch(DirectoryNotFoundException)
{
FileTable.Remove(fh);
throw;
}
}
if (results.Pack(packer, cookie, count) == true)
results = null;
}
private void Read(rpcCracker cracker, rpcPacker packer)
{
fhandle fh = new fhandle(cracker);
uint offset = cracker.get_uint32();
uint count = cracker.get_uint32();
uint totalCount = cracker.get_uint32();
FileStream fs;
try
{
fs = new FileStream(FileTable.LookupFileEntry(fh).Name, FileMode.Open, FileAccess.Read);
}
catch (System.IO.FileNotFoundException)
{
FileTable.Remove(fh);
throw;
}
try
{
fs.Position = offset;
Byte[] buf = new Byte[count];
int bytesRead = fs.Read(buf, 0, (int)count);
fattr attr = new fattr(fh);
if (attr.IsFile() == false) throw new NFSStatusException(NFSStatus.NFSERR_ISDIR);
packer.setUint32((uint)NFSStatus.NFS_OK);
attr.Pack(packer);
packer.setData(buf, bytesRead);
}
finally
{
fs.Close();
}
}
private void CrackVerifier(rpcCracker cracker)
{
uint flavor = cracker.get_uint32();
uint length = cracker.get_uint32();
//Console.WriteLine("{0}: Credentials. flavor:{1}, length:{2}", prog, flavor, length);
cracker.jump(length);
}
private rpcPacker CrackRPC(rpcCracker cracker)
{
uint xid = cracker.get_uint32();
uint msg_type = cracker.get_uint32();
uint rpcvers = cracker.get_uint32();
uint prog = cracker.get_uint32();
uint vers = cracker.get_uint32();
uint proc = cracker.get_uint32();
#if DEBUG
Console.WriteLine("{0}> {1}: xid:{2}, type:{3}, rpcvers:{4}, prog:{5}, vers:{6}, proc:{7}", ++count, this.prog, xid, msg_type, rpcvers, prog, vers, proc);
#endif
if (msg_type != 0)
return GarbageArgsReply(xid);
if (rpcvers != 2)
return RPCMismatchReply(xid);
if (this.prog != prog && Prog(prog) != true)
return ProgMismatchReply(xid);
CrackCredentials(cracker);
CrackVerifier(cracker);
try
{
rpcPacker reply = SuccessReply(xid);
if (proc != 0)
Proc(proc, cracker, reply);
return reply;
}
catch (Exception e)
{
System.Console.WriteLine("Whoops: {0}", e);
return ProcUnavilReply(xid);
}
}
private void UMount(rpcCracker cracker, rpcPacker reply)
{
uint length = cracker.get_uint32();
string dirPath = "";
for (uint i = 0; i < length; ++i)
dirPath += cracker.get_char();
Console.WriteLine("UMount {0}:{1}", length, dirPath);
#if FOO
uint fh = fileHandles.Find(
if (fileHandles.Remove(dirPath) == false)
Console.WriteLine("{0} not mounted", dirPath);
#endif
}
public timeval(rpcCracker cracker)
{
seconds = cracker.get_uint32();
useconds = cracker.get_uint32();
}