Examples with SFTPException com.trilead.ssh2.SFTPException used on opensource projects

Example 21 with SFTPException

use of com.trilead.ssh2.SFTPException in project sshlib by connectbot.

the class SFTPv3Client method expectStatusOKMessage.

private void expectStatusOKMessage(int id) throws IOException {
    byte[] resp = receiveMessage(34000);
    if (debug != null) {
        debug.println("Got REPLY.");
        debug.flush();
    }
    TypesReader tr = new TypesReader(resp);
    int t = tr.readByte();
    int rep_id = tr.readUINT32();
    if (rep_id != id)
        throw new IOException("The server sent an invalid id field.");
    if (t != Packet.SSH_FXP_STATUS)
        throw new IOException("The SFTP server sent an unexpected packet type (" + t + ")");
    int errorCode = tr.readUINT32();
    if (errorCode == ErrorCodes.SSH_FX_OK)
        return;
    throw new SFTPException(tr.readString(), errorCode);
}

Example 22 with SFTPException

use of com.trilead.ssh2.SFTPException in project sshlib by connectbot.

the class SFTPv3Client method openFile.

private SFTPv3FileHandle openFile(String fileName, int flags, SFTPv3FileAttributes attr) throws IOException {
    int req_id = generateNextRequestID();
    TypesWriter tw = new TypesWriter();
    tw.writeString(fileName, charsetName);
    tw.writeUINT32(flags);
    tw.writeBytes(createAttrs(attr));
    if (debug != null) {
        debug.println("Sending SSH_FXP_OPEN...");
        debug.flush();
    }
    sendMessage(Packet.SSH_FXP_OPEN, req_id, tw.getBytes());
    byte[] resp = receiveMessage(34000);
    TypesReader tr = new TypesReader(resp);
    int t = tr.readByte();
    int rep_id = tr.readUINT32();
    if (rep_id != req_id)
        throw new IOException("The server sent an invalid id field.");
    if (t == Packet.SSH_FXP_HANDLE) {
        if (debug != null) {
            debug.println("Got SSH_FXP_HANDLE.");
            debug.flush();
        }
        return new SFTPv3FileHandle(this, tr.readByteString());
    }
    if (t != Packet.SSH_FXP_STATUS)
        throw new IOException("The SFTP server sent an unexpected packet type (" + t + ")");
    int errorCode = tr.readUINT32();
    String errorMessage = tr.readString();
    throw new SFTPException(errorMessage, errorCode);
}

Example 23 with SFTPException

use of com.trilead.ssh2.SFTPException in project sshlib by connectbot.

the class SFTPv3Client method canonicalPath.

/**
 * Have the server canonicalize any given path name to an absolute path.
 * This is useful for converting path names containing ".." components or
 * relative pathnames without a leading slash into absolute paths.
 *
 * @param path See the {@link SFTPv3Client comment} for the class for more details.
 * @return An absolute path.
 * @throws IOException
 */
public String canonicalPath(String path) throws IOException {
    int req_id = generateNextRequestID();
    TypesWriter tw = new TypesWriter();
    tw.writeString(path, charsetName);
    if (debug != null) {
        debug.println("Sending SSH_FXP_REALPATH...");
        debug.flush();
    }
    sendMessage(Packet.SSH_FXP_REALPATH, req_id, tw.getBytes());
    byte[] resp = receiveMessage(34000);
    if (debug != null) {
        debug.println("Got REPLY.");
        debug.flush();
    }
    TypesReader tr = new TypesReader(resp);
    int t = tr.readByte();
    int rep_id = tr.readUINT32();
    if (rep_id != req_id)
        throw new IOException("The server sent an invalid id field.");
    if (t == Packet.SSH_FXP_NAME) {
        int count = tr.readUINT32();
        if (count != 1)
            throw new IOException("The server sent an invalid SSH_FXP_NAME packet.");
        return tr.readString(charsetName);
    }
    if (t != Packet.SSH_FXP_STATUS)
        throw new IOException("The SFTP server sent an unexpected packet type (" + t + ")");
    int errorCode = tr.readUINT32();
    throw new SFTPException(tr.readString(), errorCode);
}

Example 24 with SFTPException

use of com.trilead.ssh2.SFTPException in project sshlib by connectbot.

the class SFTPv3Client method write.

/**
 * Write bytes to a file. If <code>len</code> &gt; 32768, then the write operation will
 * be split into multiple writes.
 *
 * @param handle a SFTPv3FileHandle handle.
 * @param fileOffset offset (in bytes) in the file.
 * @param src the source byte array.
 * @param srcoff offset in the source byte array.
 * @param len how many bytes to write.
 * @throws IOException
 */
public void write(SFTPv3FileHandle handle, long fileOffset, byte[] src, int srcoff, int len) throws IOException {
    checkHandleValidAndOpen(handle);
    while (len > 0) {
        int writeRequestLen = len;
        if (writeRequestLen > 32768)
            writeRequestLen = 32768;
        int req_id = generateNextRequestID();
        TypesWriter tw = new TypesWriter();
        tw.writeString(handle.fileHandle, 0, handle.fileHandle.length);
        tw.writeUINT64(fileOffset);
        tw.writeString(src, srcoff, writeRequestLen);
        if (debug != null) {
            debug.println("Sending SSH_FXP_WRITE...");
            debug.flush();
        }
        sendMessage(Packet.SSH_FXP_WRITE, req_id, tw.getBytes());
        fileOffset += writeRequestLen;
        srcoff += writeRequestLen;
        len -= writeRequestLen;
        byte[] resp = receiveMessage(34000);
        TypesReader tr = new TypesReader(resp);
        int t = tr.readByte();
        int rep_id = tr.readUINT32();
        if (rep_id != req_id)
            throw new IOException("The server sent an invalid id field.");
        if (t != Packet.SSH_FXP_STATUS)
            throw new IOException("The SFTP server sent an unexpected packet type (" + t + ")");
        int errorCode = tr.readUINT32();
        if (errorCode == ErrorCodes.SSH_FX_OK)
            continue;
        String errorMessage = tr.readString();
        throw new SFTPException(errorMessage, errorCode);
    }
}

Example 25 with SFTPException

use of com.trilead.ssh2.SFTPException in project sshlib by connectbot.

the class SFTPv3Client method scanDirectory.

private final Vector scanDirectory(byte[] handle) throws IOException {
    Vector files = new Vector();
    while (true) {
        int req_id = generateNextRequestID();
        TypesWriter tw = new TypesWriter();
        tw.writeString(handle, 0, handle.length);
        if (debug != null) {
            debug.println("Sending SSH_FXP_READDIR...");
            debug.flush();
        }
        sendMessage(Packet.SSH_FXP_READDIR, req_id, tw.getBytes());
        /* Some servers send here a packet with size > 34000 */
        /* To whom it may concern: please learn to read the specs. */
        byte[] resp = receiveMessage(65536);
        if (debug != null) {
            debug.println("Got REPLY.");
            debug.flush();
        }
        TypesReader tr = new TypesReader(resp);
        int t = tr.readByte();
        int rep_id = tr.readUINT32();
        if (rep_id != req_id)
            throw new IOException("The server sent an invalid id field.");
        if (t == Packet.SSH_FXP_NAME) {
            int count = tr.readUINT32();
            if (debug != null)
                debug.println("Parsing " + count + " name entries...");
            while (count > 0) {
                SFTPv3DirectoryEntry dirEnt = new SFTPv3DirectoryEntry();
                dirEnt.filename = tr.readString(charsetName);
                dirEnt.longEntry = tr.readString(charsetName);
                dirEnt.attributes = readAttrs(tr);
                files.addElement(dirEnt);
                if (debug != null)
                    debug.println("File: '" + dirEnt.filename + "'");
                count--;
            }
            continue;
        }
        if (t != Packet.SSH_FXP_STATUS)
            throw new IOException("The SFTP server sent an unexpected packet type (" + t + ")");
        int errorCode = tr.readUINT32();
        if (errorCode == ErrorCodes.SSH_FX_EOF)
            return files;
        throw new SFTPException(tr.readString(), errorCode);
    }
}