/// <exception cref="NSch.SftpException"></exception>
public virtual void Mkdir(string path)
{
try
{
path = RemoteAbsolutePath(path);
SendMKDIR(Util.Str2byte(path, fEncoding), null);
ChannelHeader header = new ChannelHeader(this);
header = Header(buf, header);
int length = header.length;
int type = header.type;
Fill(buf, length);
if (type != SSH_FXP_STATUS)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
int i = buf.GetInt();
if (i == SSH_FX_OK)
{
return;
}
ThrowStatusError(buf, i);
}
catch (Exception e)
{
if (e is SftpException)
{
throw (SftpException)e;
}
if (e is Exception)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty, (Exception)e);
}
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
}
/// <exception cref="NSch.SftpException"></exception>
private SftpATTRS _lstat(string path)
{
try
{
SendLSTAT(Util.Str2byte(path, fEncoding));
ChannelHeader header = new ChannelHeader(this);
header = Header(buf, header);
int length = header.length;
int type = header.type;
Fill(buf, length);
if (type != SSH_FXP_ATTRS)
{
if (type == SSH_FXP_STATUS)
{
int i = buf.GetInt();
ThrowStatusError(buf, i);
}
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
SftpATTRS attr = SftpATTRS.GetATTR(buf);
return attr;
}
catch (Exception e)
{
if (e is SftpException)
{
throw (SftpException)e;
}
if (e is Exception)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty, (Exception)e);
}
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
}
/// <exception cref="System.IO.IOException"></exception>
internal virtual void Cancel(ChannelHeader header, Buffer buf)
{
int _count = this.count;
for (int i = 0; i < _count; i++)
{
header = this._enclosing.Header(buf, header);
int length = header.length;
this.Get(header.rid);
this._enclosing.Skip(length);
}
}
/// <exception cref="NSch.SftpException"></exception>
public virtual void Rmdir(string path)
{
try
{
path = RemoteAbsolutePath(path);
ArrayList v = Glob_remote(path);
int vsize = v.Count;
ChannelHeader header = new ChannelHeader(this);
for (int j = 0; j < vsize; j++)
{
path = (string)(v[j]);
SendRMDIR(Util.Str2byte(path, fEncoding));
header = Header(buf, header);
int length = header.length;
int type = header.type;
Fill(buf, length);
if (type != SSH_FXP_STATUS)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
int i = buf.GetInt();
if (i != SSH_FX_OK)
{
ThrowStatusError(buf, i);
}
}
}
catch (Exception e)
{
if (e is SftpException)
{
throw (SftpException)e;
}
if (e is Exception)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty, (Exception)e);
}
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
}
/// <exception cref="System.Exception"></exception>
private ArrayList Glob_remote(string _path)
{
ArrayList v = new ArrayList();
int i = 0;
int foo = _path.LastIndexOf('/');
if (foo < 0)
{
// it is not absolute path.
v.Add(Util.Unquote(_path));
return v;
}
string dir = Sharpen.Runtime.Substring(_path, 0, ((foo == 0) ? 1 : foo));
string _pattern = Sharpen.Runtime.Substring(_path, foo + 1);
dir = Util.Unquote(dir);
byte[] pattern = null;
byte[][] _pattern_utf8 = new byte[1][];
bool pattern_has_wildcard = IsPattern(_pattern, _pattern_utf8);
if (!pattern_has_wildcard)
{
if (!dir.Equals("/"))
{
dir += "/";
}
v.Add(dir + Util.Unquote(_pattern));
return v;
}
pattern = _pattern_utf8[0];
SendOPENDIR(Util.Str2byte(dir, fEncoding));
ChannelHeader header = new ChannelHeader(this);
header = Header(buf, header);
int length = header.length;
int type = header.type;
Fill(buf, length);
if (type != SSH_FXP_STATUS && type != SSH_FXP_HANDLE)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
if (type == SSH_FXP_STATUS)
{
i = buf.GetInt();
ThrowStatusError(buf, i);
}
byte[] handle = buf.GetString();
// filename
string pdir = null;
// parent directory
while (true)
{
SendREADDIR(handle);
header = Header(buf, header);
length = header.length;
type = header.type;
if (type != SSH_FXP_STATUS && type != SSH_FXP_NAME)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
if (type == SSH_FXP_STATUS)
{
Fill(buf, length);
break;
}
buf.Rewind();
Fill(buf.buffer, 0, 4);
length -= 4;
int count = buf.GetInt();
byte[] str;
int flags;
buf.Reset();
while (count > 0)
{
if (length > 0)
{
buf.Shift();
int j = (buf.buffer.Length > (buf.index + length)) ? length : (buf.buffer.Length
- buf.index);
i = io_in.Read(buf.buffer, buf.index, j);
if (i <= 0)
{
break;
}
buf.index += i;
length -= i;
}
byte[] filename = buf.GetString();
//System.err.println("filename: "+new String(filename));
if (server_version <= 3)
{
str = buf.GetString();
}
// longname
SftpATTRS attrs = SftpATTRS.GetATTR(buf);
byte[] _filename = filename;
string f = null;
bool found = false;
if (!fEncoding_is_utf8)
{
f = Util.Byte2str(filename, fEncoding);
_filename = Util.Str2byte(f, UTF8);
}
found = Util.Glob(pattern, _filename);
if (found)
{
if (f == null)
{
f = Util.Byte2str(filename, fEncoding);
}
if (pdir == null)
{
pdir = dir;
if (!pdir.EndsWith("/"))
{
pdir += "/";
}
}
v.Add(pdir + f);
}
count--;
}
}
if (_sendCLOSE(handle, header))
{
return v;
}
return null;
}
/// <exception cref="NSch.SftpException"></exception>
public virtual void _put(InputStream src, string dst, SftpProgressMonitor monitor
, int mode)
{
try
{
byte[] dstb = Util.Str2byte(dst, fEncoding);
long skip = 0;
if (mode == RESUME || mode == APPEND)
{
try
{
SftpATTRS attr = _stat(dstb);
skip = attr.GetSize();
}
catch (Exception)
{
}
}
//System.err.println(eee);
if (mode == RESUME && skip > 0)
{
long skipped = src.Skip(skip);
if (skipped < skip)
{
throw new SftpException(SSH_FX_FAILURE, "failed to resume for " + dst);
}
}
if (mode == OVERWRITE)
{
SendOPENW(dstb);
}
else
{
SendOPENA(dstb);
}
ChannelHeader header = new ChannelHeader(this);
header = Header(buf, header);
int length = header.length;
int type = header.type;
Fill(buf, length);
if (type != SSH_FXP_STATUS && type != SSH_FXP_HANDLE)
{
throw new SftpException(SSH_FX_FAILURE, "invalid type=" + type);
}
if (type == SSH_FXP_STATUS)
{
int i = buf.GetInt();
ThrowStatusError(buf, i);
}
byte[] handle = buf.GetString();
// handle
byte[] data = null;
bool dontcopy = true;
if (!dontcopy)
{
data = new byte[buf.buffer.Length - (5 + 13 + 21 + handle.Length + 32 + 20)];
}
// padding and mac
long offset = 0;
if (mode == RESUME || mode == APPEND)
{
offset += skip;
}
int startid = seq;
int _ackid = seq;
int ackcount = 0;
while (true)
{
int nread = 0;
int s = 0;
int datalen = 0;
int count = 0;
if (!dontcopy)
{
datalen = data.Length - s;
}
else
{
data = buf.buffer;
s = 5 + 13 + 21 + handle.Length;
datalen = buf.buffer.Length - s - 32 - 20;
}
do
{
// padding and mac
nread = src.Read(data, s, datalen);
if (nread > 0)
{
s += nread;
datalen -= nread;
count += nread;
}
}
while (datalen > 0 && nread > 0);
if (count <= 0)
{
break;
}
int _i = count;
while (_i > 0)
{
_i -= SendWRITE(handle, offset, data, 0, _i);
if ((seq - 1) == startid || io_in.Available() >= 1024)
{
while (io_in.Available() > 0)
{
if (CheckStatus(ackid, header))
{
_ackid = ackid[0];
if (startid > _ackid || _ackid > seq - 1)
{
if (_ackid == seq)
{
System.Console.Error.WriteLine("ack error: startid=" + startid + " seq=" + seq +
" _ackid=" + _ackid);
}
else
{
//throw new SftpException(SSH_FX_FAILURE, "ack error:");
throw new SftpException(SSH_FX_FAILURE, "ack error: startid=" + startid + " seq="
+ seq + " _ackid=" + _ackid);
}
}
ackcount++;
}
else
{
break;
}
}
}
}
offset += count;
if (monitor != null && !monitor.Count(count))
{
break;
}
}
int _ackcount = seq - startid;
while (_ackcount > ackcount)
{
if (!CheckStatus(null, header))
{
break;
}
ackcount++;
}
if (monitor != null)
{
monitor.End();
}
_sendCLOSE(handle, header);
}
catch (Exception e)
{
if (e is SftpException)
{
throw (SftpException)e;
}
if (e is Exception)
{
throw new SftpException(SSH_FX_FAILURE, e.ToString(), (Exception)e);
}
throw new SftpException(SSH_FX_FAILURE, e.ToString());
}
}
/// <exception cref="NSch.SftpException"></exception>
public virtual string Readlink(string path)
{
try
{
if (server_version < 3)
{
throw new SftpException(SSH_FX_OP_UNSUPPORTED, "The remote sshd is too old to support symlink operation."
);
}
path = RemoteAbsolutePath(path);
path = IsUnique(path);
SendREADLINK(Util.Str2byte(path, fEncoding));
ChannelHeader header = new ChannelHeader(this);
header = Header(buf, header);
int length = header.length;
int type = header.type;
Fill(buf, length);
if (type != SSH_FXP_STATUS && type != SSH_FXP_NAME)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
if (type == SSH_FXP_NAME)
{
int count = buf.GetInt();
// count
byte[] filename = null;
for (int i = 0; i < count; i++)
{
filename = buf.GetString();
if (server_version <= 3)
{
byte[] longname = buf.GetString();
}
SftpATTRS.GetATTR(buf);
}
return Util.Byte2str(filename, fEncoding);
}
int i_1 = buf.GetInt();
ThrowStatusError(buf, i_1);
}
catch (Exception e)
{
if (e is SftpException)
{
throw (SftpException)e;
}
if (e is Exception)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty, (Exception)e);
}
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
return null;
}
/// <exception cref="System.IO.IOException"></exception>
/// <exception cref="NSch.SftpException"></exception>
private bool CheckStatus(int[] ackid, ChannelHeader header)
{
header = Header(buf, header);
int length = header.length;
int type = header.type;
if (ackid != null)
{
ackid[0] = header.rid;
}
Fill(buf, length);
if (type != SSH_FXP_STATUS)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
int i = buf.GetInt();
if (i != SSH_FX_OK)
{
ThrowStatusError(buf, i);
}
return true;
}
/// <exception cref="System.IO.IOException"></exception>
public override int Read(byte[] d, int s, int len)
{
if (this.closed)
{
return -1;
}
if (d == null)
{
throw new ArgumentNullException();
}
if (s < 0 || len < 0 || s + len > d.Length)
{
throw new IndexOutOfRangeException();
}
if (len == 0)
{
return 0;
}
if (this.rest_length > 0)
{
int foo = this.rest_length;
if (foo > len)
{
foo = len;
}
System.Array.Copy(this.rest_byte, 0, d, s, foo);
if (foo != this.rest_length)
{
System.Array.Copy(this.rest_byte, foo, this.rest_byte, 0, this.rest_length - foo);
}
if (monitor != null)
{
if (!monitor.Count(foo))
{
this.Close();
return -1;
}
}
this.rest_length -= foo;
return foo;
}
if (this._enclosing.buf.buffer.Length - 13 < len)
{
len = this._enclosing.buf.buffer.Length - 13;
}
if (this._enclosing.server_version == 0 && len > 1024)
{
len = 1024;
}
try
{
this._enclosing.SendREAD(handle, this.offset, len);
}
catch (Exception)
{
throw new IOException("error");
}
this.header = this._enclosing.Header(this._enclosing.buf, this.header);
this.rest_length = this.header.length;
int type = this.header.type;
int id = this.header.rid;
if (type != ChannelSftp.SSH_FXP_STATUS && type != ChannelSftp.SSH_FXP_DATA)
{
throw new IOException("error");
}
if (type == ChannelSftp.SSH_FXP_STATUS)
{
this._enclosing.Fill(this._enclosing.buf, this.rest_length);
int i = this._enclosing.buf.GetInt();
this.rest_length = 0;
if (i == ChannelSftp.SSH_FX_EOF)
{
this.Close();
return -1;
}
throw new IOException("error");
}
this._enclosing.buf.Rewind();
this._enclosing.Fill(this._enclosing.buf.buffer, 0, 4);
int i_1 = this._enclosing.buf.GetInt();
this.rest_length -= 4;
this.offset += this.rest_length;
int foo_1 = i_1;
if (foo_1 > 0)
{
int bar = this.rest_length;
if (bar > len)
{
bar = len;
}
i_1 = this._enclosing.io_in.Read(d, s, bar);
if (i_1 < 0)
{
return -1;
}
this.rest_length -= i_1;
if (this.rest_length > 0)
{
if (this.rest_byte.Length < this.rest_length)
{
this.rest_byte = new byte[this.rest_length];
}
int _s = 0;
int _len = this.rest_length;
int j;
while (_len > 0)
{
j = this._enclosing.io_in.Read(this.rest_byte, _s, _len);
if (j <= 0)
{
break;
}
_s += j;
_len -= j;
}
}
if (monitor != null)
{
if (!monitor.Count(i_1))
{
this.Close();
return -1;
}
}
return i_1;
}
return 0;
}
/// <exception cref="NSch.SftpException"></exception>
public virtual ArrayList Ls(string path)
{
//System.out.println("ls: "+path);
try
{
path = RemoteAbsolutePath(path);
byte[] pattern = null;
ArrayList v = new ArrayList();
int foo = path.LastIndexOf('/');
string dir = Sharpen.Runtime.Substring(path, 0, ((foo == 0) ? 1 : foo));
string _pattern = Sharpen.Runtime.Substring(path, foo + 1);
dir = Util.Unquote(dir);
// If pattern has included '*' or '?', we need to convert
// to UTF-8 string before globbing.
byte[][] _pattern_utf8 = new byte[1][];
bool pattern_has_wildcard = IsPattern(_pattern, _pattern_utf8);
if (pattern_has_wildcard)
{
pattern = _pattern_utf8[0];
}
else
{
string upath = Util.Unquote(path);
//SftpATTRS attr=_lstat(upath);
SftpATTRS attr = _stat(upath);
if (attr.IsDir())
{
pattern = null;
dir = upath;
}
else
{
if (fEncoding_is_utf8)
{
pattern = _pattern_utf8[0];
pattern = Util.Unquote(pattern);
}
else
{
_pattern = Util.Unquote(_pattern);
pattern = Util.Str2byte(_pattern, fEncoding);
}
}
}
SendOPENDIR(Util.Str2byte(dir, fEncoding));
ChannelHeader header = new ChannelHeader(this);
header = Header(buf, header);
int length = header.length;
int type = header.type;
Fill(buf, length);
if (type != SSH_FXP_STATUS && type != SSH_FXP_HANDLE)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
if (type == SSH_FXP_STATUS)
{
int i = buf.GetInt();
ThrowStatusError(buf, i);
}
byte[] handle = buf.GetString();
// handle
while (true)
{
SendREADDIR(handle);
header = Header(buf, header);
length = header.length;
type = header.type;
if (type != SSH_FXP_STATUS && type != SSH_FXP_NAME)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
if (type == SSH_FXP_STATUS)
{
Fill(buf, length);
int i = buf.GetInt();
if (i == SSH_FX_EOF)
{
break;
}
ThrowStatusError(buf, i);
}
buf.Rewind();
Fill(buf.buffer, 0, 4);
length -= 4;
int count = buf.GetInt();
byte[] str;
int flags;
buf.Reset();
while (count > 0)
{
if (length > 0)
{
buf.Shift();
int j = (buf.buffer.Length > (buf.index + length)) ? length : (buf.buffer.Length
- buf.index);
int i = Fill(buf.buffer, buf.index, j);
buf.index += i;
length -= i;
}
byte[] filename = buf.GetString();
byte[] longname = null;
if (server_version <= 3)
{
longname = buf.GetString();
}
SftpATTRS attrs = SftpATTRS.GetATTR(buf);
bool find = false;
string f = null;
if (pattern == null)
{
find = true;
}
else
{
if (!pattern_has_wildcard)
{
find = Util.Array_equals(pattern, filename);
}
else
{
byte[] _filename = filename;
if (!fEncoding_is_utf8)
{
f = Util.Byte2str(_filename, fEncoding);
_filename = Util.Str2byte(f, UTF8);
}
find = Util.Glob(pattern, _filename);
}
}
if (find)
{
if (f == null)
{
f = Util.Byte2str(filename, fEncoding);
}
string l = null;
if (longname == null)
{
// TODO: we need to generate long name from attrs
// for the sftp protocol 4(and later).
l = attrs.ToString() + " " + f;
}
else
{
l = Util.Byte2str(longname, fEncoding);
}
v.Add(new ChannelSftp.LsEntry(this, f, l, attrs));
}
count--;
}
}
_sendCLOSE(handle, header);
return v;
}
catch (Exception e)
{
if (e is SftpException)
{
throw (SftpException)e;
}
if (e is Exception)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty, (Exception)e);
}
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
}
/// <exception cref="NSch.SftpException"></exception>
public virtual InputStream Get(string src, SftpProgressMonitor monitor, long skip
)
{
src = RemoteAbsolutePath(src);
try
{
src = IsUnique(src);
byte[] srcb = Util.Str2byte(src, fEncoding);
SftpATTRS attr = _stat(srcb);
if (monitor != null)
{
monitor.Init(SftpProgressMonitor.GET, src, "??", attr.GetSize());
}
SendOPENR(srcb);
ChannelHeader header = new ChannelHeader(this);
header = Header(buf, header);
int length = header.length;
int type = header.type;
Fill(buf, length);
if (type != SSH_FXP_STATUS && type != SSH_FXP_HANDLE)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
if (type == SSH_FXP_STATUS)
{
int i = buf.GetInt();
ThrowStatusError(buf, i);
}
byte[] handle = buf.GetString();
// handle
InputStream @in = new _InputStream_1034(this, skip, monitor, handle);
//throwStatusError(buf, i);
// ??
return @in;
}
catch (Exception e)
{
if (e is SftpException)
{
throw (SftpException)e;
}
if (e is Exception)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty, (Exception)e);
}
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
}
/// <exception cref="NSch.SftpException"></exception>
private void _get(string src, OutputStream dst, SftpProgressMonitor monitor, int
mode, long skip)
{
//System.err.println("_get: "+src+", "+dst);
byte[] srcb = Util.Str2byte(src, fEncoding);
try
{
SendOPENR(srcb);
ChannelHeader header = new ChannelHeader(this);
header = Header(buf, header);
int length = header.length;
int type = header.type;
Fill(buf, length);
if (type != SSH_FXP_STATUS && type != SSH_FXP_HANDLE)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
if (type == SSH_FXP_STATUS)
{
int i = buf.GetInt();
ThrowStatusError(buf, i);
}
byte[] handle = buf.GetString();
// filename
long offset = 0;
if (mode == RESUME)
{
offset += skip;
}
int request_len = 0;
while (true)
{
request_len = buf.buffer.Length - 13;
if (server_version == 0)
{
request_len = 1024;
}
SendREAD(handle, offset, request_len);
header = Header(buf, header);
length = header.length;
type = header.type;
if (type == SSH_FXP_STATUS)
{
Fill(buf, length);
int i = buf.GetInt();
if (i == SSH_FX_EOF)
{
goto loop_break;
}
ThrowStatusError(buf, i);
}
if (type != SSH_FXP_DATA)
{
goto loop_break;
}
buf.Rewind();
Fill(buf.buffer, 0, 4);
length -= 4;
int i_1 = buf.GetInt();
// length of data
int foo = i_1;
while (foo > 0)
{
int bar = foo;
if (bar > buf.buffer.Length)
{
bar = buf.buffer.Length;
}
i_1 = io_in.Read(buf.buffer, 0, bar);
if (i_1 < 0)
{
goto loop_break;
}
int data_len = i_1;
dst.Write(buf.buffer, 0, data_len);
offset += data_len;
foo -= data_len;
if (monitor != null)
{
if (!monitor.Count(data_len))
{
while (foo > 0)
{
i_1 = io_in.Read(buf.buffer, 0, (buf.buffer.Length < foo ? buf.buffer.Length : foo
));
if (i_1 <= 0)
{
break;
}
foo -= i_1;
}
goto loop_break;
}
}
}
loop_continue: ;
}
loop_break: ;
//System.err.println("length: "+length); // length should be 0
dst.Flush();
if (monitor != null)
{
monitor.End();
}
_sendCLOSE(handle, header);
}
catch (Exception e)
{
if (e is SftpException)
{
throw (SftpException)e;
}
if (e is Exception)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty, (Exception)e);
}
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
}
/// <exception cref="NSch.SftpException"></exception>
public virtual void _put(InputStream src, string dst, SftpProgressMonitor monitor
, int mode)
{
try
{
((Channel.MyPipedInputStream)io_in).UpdateReadSide();
byte[] dstb = Util.Str2byte(dst, fEncoding);
long skip = 0;
if (mode == RESUME || mode == APPEND)
{
try
{
SftpATTRS attr = _stat(dstb);
skip = attr.GetSize();
}
catch (Exception)
{
}
}
//System.err.println(eee);
if (mode == RESUME && skip > 0)
{
long skipped = src.Skip(skip);
if (skipped < skip)
{
throw new SftpException(SSH_FX_FAILURE, "failed to resume for " + dst);
}
}
if (mode == OVERWRITE)
{
SendOPENW(dstb);
}
else
{
SendOPENA(dstb);
}
ChannelHeader header = new ChannelHeader(this);
header = Header(buf, header);
int length = header.length;
int type = header.type;
Fill(buf, length);
if (type != SSH_FXP_STATUS && type != SSH_FXP_HANDLE)
{
throw new SftpException(SSH_FX_FAILURE, "invalid type=" + type);
}
if (type == SSH_FXP_STATUS)
{
int i = buf.GetInt();
ThrowStatusError(buf, i);
}
byte[] handle = buf.GetString();
// handle
byte[] data = null;
bool dontcopy = true;
if (!dontcopy)
{
// This case will not work anymore.
data = new byte[obuf.buffer.Length - (5 + 13 + 21 + handle.Length + Session.buffer_margin
)];
}
long offset = 0;
if (mode == RESUME || mode == APPEND)
{
offset += skip;
}
int startid = seq;
int ackcount = 0;
int _s = 0;
int _datalen = 0;
if (!dontcopy)
{
// This case will not work anymore.
_datalen = data.Length;
}
else
{
data = obuf.buffer;
_s = 5 + 13 + 21 + handle.Length;
_datalen = obuf.buffer.Length - _s - Session.buffer_margin;
}
int bulk_requests = rq.Size();
while (true)
{
int nread = 0;
int count = 0;
int s = _s;
int datalen = _datalen;
do
{
nread = src.Read(data, s, datalen);
if (nread > 0)
{
s += nread;
datalen -= nread;
count += nread;
}
}
while (datalen > 0 && nread > 0);
if (count <= 0)
{
break;
}
int foo = count;
while (foo > 0)
{
if ((seq - 1) == startid || ((seq - startid) - ackcount) >= bulk_requests)
{
while (((seq - startid) - ackcount) >= bulk_requests)
{
if (this.rwsize >= foo)
{
break;
}
if (CheckStatus(ackid, header))
{
int _ackid = ackid[0];
if (startid > _ackid || _ackid > seq - 1)
{
if (_ackid == seq)
{
System.Console.Error.WriteLine("ack error: startid=" + startid + " seq=" + seq +
" _ackid=" + _ackid);
}
else
{
throw new SftpException(SSH_FX_FAILURE, "ack error: startid=" + startid + " seq="
+ seq + " _ackid=" + _ackid);
}
}
ackcount++;
}
else
{
break;
}
}
}
foo -= SendWRITE(handle, offset, data, 0, foo);
}
offset += count;
if (monitor != null && !monitor.Count(count))
{
break;
}
}
int _ackcount = seq - startid;
while (_ackcount > ackcount)
{
if (!CheckStatus(null, header))
{
break;
}
ackcount++;
}
if (monitor != null)
{
monitor.End();
}
_sendCLOSE(handle, header);
}
catch (Exception e)
{
if (e is SftpException)
{
throw (SftpException)e;
}
if (e is Exception)
{
throw new SftpException(SSH_FX_FAILURE, e.ToString(), (Exception)e);
}
throw new SftpException(SSH_FX_FAILURE, e.ToString());
}
}
/// <exception cref="NSch.SftpException"></exception>
/// <exception cref="System.IO.IOException"></exception>
/// <exception cref="System.Exception"></exception>
private byte[] _realpath(string path)
{
SendREALPATH(Util.Str2byte(path, fEncoding));
ChannelHeader header = new ChannelHeader(this);
header = Header(buf, header);
int length = header.length;
int type = header.type;
Fill(buf, length);
if (type != SSH_FXP_STATUS && type != SSH_FXP_NAME)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
int i;
if (type == SSH_FXP_STATUS)
{
i = buf.GetInt();
ThrowStatusError(buf, i);
}
i = buf.GetInt();
// count
byte[] str = null;
while (i-- > 0)
{
str = buf.GetString();
// absolute path;
if (server_version <= 3)
{
byte[] lname = buf.GetString();
}
// long filename
SftpATTRS attr = SftpATTRS.GetATTR(buf);
}
// dummy attribute
return str;
}
/// <exception cref="NSch.SftpException"></exception>
public virtual void Symlink(string oldpath, string newpath)
{
if (server_version < 3)
{
throw new SftpException(SSH_FX_OP_UNSUPPORTED, "The remote sshd is too old to support symlink operation."
);
}
try
{
oldpath = RemoteAbsolutePath(oldpath);
newpath = RemoteAbsolutePath(newpath);
oldpath = IsUnique(oldpath);
if (IsPattern(newpath))
{
throw new SftpException(SSH_FX_FAILURE, newpath);
}
newpath = Util.Unquote(newpath);
SendSYMLINK(Util.Str2byte(oldpath, fEncoding), Util.Str2byte(newpath, fEncoding));
ChannelHeader header = new ChannelHeader(this);
header = Header(buf, header);
int length = header.length;
int type = header.type;
Fill(buf, length);
if (type != SSH_FXP_STATUS)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
int i = buf.GetInt();
if (i == SSH_FX_OK)
{
return;
}
ThrowStatusError(buf, i);
}
catch (Exception e)
{
if (e is SftpException)
{
throw (SftpException)e;
}
if (e is Exception)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty, (Exception)e);
}
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
}
/// <exception cref="NSch.SftpException"></exception>
private void _setStat(string path, SftpATTRS attr)
{
try
{
SendSETSTAT(Util.Str2byte(path, fEncoding), attr);
ChannelHeader header = new ChannelHeader(this);
header = Header(buf, header);
int length = header.length;
int type = header.type;
Fill(buf, length);
if (type != SSH_FXP_STATUS)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
int i = buf.GetInt();
if (i != SSH_FX_OK)
{
ThrowStatusError(buf, i);
}
}
catch (Exception e)
{
if (e is SftpException)
{
throw (SftpException)e;
}
if (e is Exception)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty, (Exception)e);
}
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
}
/// <exception cref="NSch.SftpException"></exception>
public virtual void Rename(string oldpath, string newpath)
{
if (server_version < 2)
{
throw new SftpException(SSH_FX_OP_UNSUPPORTED, "The remote sshd is too old to support rename operation."
);
}
try
{
oldpath = RemoteAbsolutePath(oldpath);
newpath = RemoteAbsolutePath(newpath);
oldpath = IsUnique(oldpath);
ArrayList v = Glob_remote(newpath);
int vsize = v.Count;
if (vsize >= 2)
{
throw new SftpException(SSH_FX_FAILURE, v.ToString());
}
if (vsize == 1)
{
newpath = (string)(v[0]);
}
else
{
// vsize==0
if (IsPattern(newpath))
{
throw new SftpException(SSH_FX_FAILURE, newpath);
}
newpath = Util.Unquote(newpath);
}
SendRENAME(Util.Str2byte(oldpath, fEncoding), Util.Str2byte(newpath, fEncoding));
ChannelHeader header = new ChannelHeader(this);
header = Header(buf, header);
int length = header.length;
int type = header.type;
Fill(buf, length);
if (type != SSH_FXP_STATUS)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
int i = buf.GetInt();
if (i == SSH_FX_OK)
{
return;
}
ThrowStatusError(buf, i);
}
catch (Exception e)
{
if (e is SftpException)
{
throw (SftpException)e;
}
if (e is Exception)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty, (Exception)e);
}
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
}
/// <exception cref="System.Exception"></exception>
private bool _sendCLOSE(byte[] handle, ChannelHeader header)
{
SendCLOSE(handle);
return CheckStatus(null, header);
}
/// <exception cref="NSch.JSchException"></exception>
public override void Start()
{
try
{
PipedOutputStream pos = new PipedOutputStream();
io.SetOutputStream(pos);
PipedInputStream pis = new Channel.MyPipedInputStream(this, pos, 32 * 1024);
io.SetInputStream(pis);
io_in = io.@in;
if (io_in == null)
{
throw new JSchException("channel is down");
}
Request request = new RequestSftp();
request.DoRequest(GetSession(), this);
buf = new Buffer(rmpsize);
packet = new Packet(buf);
int i = 0;
int length;
int type;
byte[] str;
// send SSH_FXP_INIT
SendINIT();
// receive SSH_FXP_VERSION
ChannelHeader header = new ChannelHeader(this);
header = Header(buf, header);
length = header.length;
if (length > MAX_MSG_LENGTH)
{
throw new SftpException(SSH_FX_FAILURE, "Received message is too long: " + length
);
}
type = header.type;
// 2 -> SSH_FXP_VERSION
server_version = header.rid;
//System.err.println("SFTP protocol server-version="+server_version);
if (length > 0)
{
extensions = new Hashtable();
// extension data
Fill(buf, length);
byte[] extension_name = null;
byte[] extension_data = null;
while (length > 0)
{
extension_name = buf.GetString();
length -= (4 + extension_name.Length);
extension_data = buf.GetString();
length -= (4 + extension_data.Length);
extensions.Put(Util.Byte2str(extension_name), Util.Byte2str(extension_data));
}
}
lcwd = new FilePath(".").GetCanonicalPath();
}
catch (Exception e)
{
//System.err.println(e);
if (e is JSchException)
{
throw (JSchException)e;
}
if (e is Exception)
{
throw new JSchException(e.ToString(), (Exception)e);
}
throw new JSchException(e.ToString());
}
}
/// <exception cref="System.IO.IOException"></exception>
private ChannelHeader Header(Buffer buf, ChannelHeader header)
{
buf.Rewind();
int i = Fill(buf.buffer, 0, 9);
header.length = buf.GetInt() - 5;
header.type = buf.GetByte() & unchecked((int)(0xff));
header.rid = buf.GetInt();
return header;
}
private bool IsRemoteDir(string path)
{
try
{
SendSTAT(Util.Str2byte(path, fEncoding));
ChannelHeader header = new ChannelHeader(this);
header = Header(buf, header);
int length = header.length;
int type = header.type;
Fill(buf, length);
if (type != SSH_FXP_ATTRS)
{
return false;
}
SftpATTRS attr = SftpATTRS.GetATTR(buf);
return attr.IsDir();
}
catch (Exception)
{
}
return false;
}
/// <exception cref="NSch.SftpException"></exception>
public virtual OutputStream Put(string dst, SftpProgressMonitor monitor, int mode
, long offset)
{
dst = RemoteAbsolutePath(dst);
try
{
dst = IsUnique(dst);
if (IsRemoteDir(dst))
{
throw new SftpException(SSH_FX_FAILURE, dst + " is a directory");
}
byte[] dstb = Util.Str2byte(dst, fEncoding);
long skip = 0;
if (mode == RESUME || mode == APPEND)
{
try
{
SftpATTRS attr = _stat(dstb);
skip = attr.GetSize();
}
catch (Exception)
{
}
}
//System.err.println(eee);
if (mode == OVERWRITE)
{
SendOPENW(dstb);
}
else
{
SendOPENA(dstb);
}
ChannelHeader header = new ChannelHeader(this);
header = Header(buf, header);
int length = header.length;
int type = header.type;
Fill(buf, length);
if (type != SSH_FXP_STATUS && type != SSH_FXP_HANDLE)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
if (type == SSH_FXP_STATUS)
{
int i = buf.GetInt();
ThrowStatusError(buf, i);
}
byte[] handle = buf.GetString();
// handle
if (mode == RESUME || mode == APPEND)
{
offset += skip;
}
long[] _offset = new long[1];
_offset[0] = offset;
OutputStream @out = new _OutputStream_639(this, handle, _offset, monitor);
return @out;
}
catch (Exception e)
{
if (e is SftpException)
{
throw (SftpException)e;
}
if (e is Exception)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty, (Exception)e);
}
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
}
/// <exception cref="NSch.SftpException"></exception>
private void _get(string src, OutputStream dst, SftpProgressMonitor monitor, int
mode, long skip)
{
//System.err.println("_get: "+src+", "+dst);
byte[] srcb = Util.Str2byte(src, fEncoding);
try
{
SendOPENR(srcb);
ChannelHeader header = new ChannelHeader(this);
header = Header(buf, header);
int length = header.length;
int type = header.type;
Fill(buf, length);
if (type != SSH_FXP_STATUS && type != SSH_FXP_HANDLE)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
if (type == SSH_FXP_STATUS)
{
int i = buf.GetInt();
ThrowStatusError(buf, i);
}
byte[] handle = buf.GetString();
// filename
long offset = 0;
if (mode == RESUME)
{
offset += skip;
}
int request_max = 1;
rq.Init();
long request_offset = offset;
int request_len = buf.buffer.Length - 13;
if (server_version == 0)
{
request_len = 1024;
}
while (true)
{
while (rq.Count() < request_max)
{
SendREAD(handle, request_offset, request_len, rq);
request_offset += request_len;
}
header = Header(buf, header);
length = header.length;
type = header.type;
ChannelSftp.RequestQueue.Request rr = rq.Get(header.rid);
if (type == SSH_FXP_STATUS)
{
Fill(buf, length);
int i = buf.GetInt();
if (i == SSH_FX_EOF)
{
goto loop_break;
}
ThrowStatusError(buf, i);
}
if (type != SSH_FXP_DATA)
{
goto loop_break;
}
buf.Rewind();
Fill(buf.buffer, 0, 4);
length -= 4;
int length_of_data = buf.GetInt();
// length of data
int optional_data = length - length_of_data;
int foo = length_of_data;
while (foo > 0)
{
int bar = foo;
if (bar > buf.buffer.Length)
{
bar = buf.buffer.Length;
}
int data_len = io_in.Read(buf.buffer, 0, bar);
if (data_len < 0)
{
goto loop_break;
}
dst.Write(buf.buffer, 0, data_len);
offset += data_len;
foo -= data_len;
if (monitor != null)
{
if (!monitor.Count(data_len))
{
Skip(foo);
if (optional_data > 0)
{
Skip(optional_data);
}
goto loop_break;
}
}
}
//System.err.println("length: "+length); // length should be 0
if (optional_data > 0)
{
Skip(optional_data);
}
if (length_of_data < rr.length)
{
//
rq.Cancel(header, buf);
SendREAD(handle, rr.offset + length_of_data, (int)(rr.length - length_of_data), rq
);
request_offset = rr.offset + rr.length;
}
if (request_max < rq.Size())
{
request_max++;
}
loop_continue: ;
}
loop_break: ;
dst.Flush();
if (monitor != null)
{
monitor.End();
}
rq.Cancel(header, buf);
_sendCLOSE(handle, header);
}
catch (Exception e)
{
if (e is SftpException)
{
throw (SftpException)e;
}
if (e is Exception)
{
throw new SftpException(SSH_FX_FAILURE, string.Empty, (Exception)e);
}
throw new SftpException(SSH_FX_FAILURE, string.Empty);
}
}
