1 | /******************************************************************************
|
---|
2 | *
|
---|
3 | * Copyright (c) 1998,99 by Mindbright Technology AB, Stockholm, Sweden.
|
---|
4 | * www.mindbright.se, [email protected]
|
---|
5 | *
|
---|
6 | * This program is free software; you can redistribute it and/or modify
|
---|
7 | * it under the terms of the GNU General Public License as published by
|
---|
8 | * the Free Software Foundation; either version 2 of the License, or
|
---|
9 | * (at your option) any later version.
|
---|
10 | *
|
---|
11 | * This program is distributed in the hope that it will be useful,
|
---|
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
---|
14 | * GNU General Public License for more details.
|
---|
15 | *
|
---|
16 | *****************************************************************************
|
---|
17 | * $Author: mats $
|
---|
18 | * $Date: 2000/03/27 07:53:54 $
|
---|
19 | * $Name: rel1-2-1 $
|
---|
20 | *****************************************************************************/
|
---|
21 | package mindbright.ssh;
|
---|
22 |
|
---|
23 | import java.io.*;
|
---|
24 | import java.net.Socket;
|
---|
25 |
|
---|
26 | import mindbright.terminal.Terminal;
|
---|
27 | import mindbright.security.Cipher;
|
---|
28 |
|
---|
29 | public class SSHSCP extends SSHClientUserAdaptor implements SSHConsole {
|
---|
30 |
|
---|
31 | SSHClient client;
|
---|
32 | SSHInteractor interactor = null;
|
---|
33 | SSHClientUser proxyUser = null;
|
---|
34 | SSHSCPIndicator indicator = null;
|
---|
35 |
|
---|
36 | SSHInteractor ourInteractAdapter = null;
|
---|
37 |
|
---|
38 | File cwd;
|
---|
39 | boolean recursive;
|
---|
40 | boolean verbose;
|
---|
41 |
|
---|
42 | String sshHost;
|
---|
43 |
|
---|
44 | PipedInputStream inTop;
|
---|
45 | PipedOutputStream inBottom;
|
---|
46 |
|
---|
47 | public SSHSCP(String sshHost, int port, SSHAuthenticator authenticator,
|
---|
48 | File cwd, boolean recursive, boolean verbose) throws IOException {
|
---|
49 | super(sshHost, port);
|
---|
50 |
|
---|
51 | // OUCH: Note must be set before constructing SSHClient since
|
---|
52 | // its constructor calls getInteractor to fetch this
|
---|
53 | //
|
---|
54 | ourInteractAdapter = new SSHInteractorAdapter() {
|
---|
55 | public void open(SSHClient client) {
|
---|
56 | SSHSCP.this.open(client);
|
---|
57 | }
|
---|
58 | public void disconnected(SSHClient client, boolean graceful) {
|
---|
59 | SSHSCP.this.disconnected(client, graceful);
|
---|
60 | }
|
---|
61 | public void alert(String msg) {
|
---|
62 | SSHSCP.this.alert(msg);
|
---|
63 | }
|
---|
64 | };
|
---|
65 |
|
---|
66 | client = new SSHClient(authenticator, this);
|
---|
67 | inTop = new PipedInputStream();
|
---|
68 | inBottom = new PipedOutputStream(inTop);
|
---|
69 | this.cwd = cwd;
|
---|
70 | this.recursive = recursive;
|
---|
71 | this.verbose = verbose;
|
---|
72 | this.sshHost = sshHost;
|
---|
73 |
|
---|
74 | client.setConsole(this);
|
---|
75 | client.activateTunnels = false;
|
---|
76 | }
|
---|
77 |
|
---|
78 | public void setInteractor(SSHInteractor interactor) {
|
---|
79 | this.interactor = interactor;
|
---|
80 | }
|
---|
81 |
|
---|
82 | public void setClientUser(SSHClientUser proxyUser) {
|
---|
83 | this.proxyUser = proxyUser;
|
---|
84 | }
|
---|
85 |
|
---|
86 | public void setIndicator(SSHSCPIndicator indicator) {
|
---|
87 | this.indicator = indicator;
|
---|
88 | }
|
---|
89 |
|
---|
90 | public void abort() {
|
---|
91 | interactor = null;
|
---|
92 | indicator = null;
|
---|
93 | client.forcedDisconnect();
|
---|
94 | }
|
---|
95 |
|
---|
96 | public void copyToRemote(String localFile, String remoteFile) throws IOException {
|
---|
97 | File lf = new File(localFile);
|
---|
98 |
|
---|
99 | if(!lf.isAbsolute())
|
---|
100 | lf = new File(cwd, localFile);
|
---|
101 |
|
---|
102 | if(!lf.exists()) {
|
---|
103 | throw new IOException("File: " + localFile + " does not exist");
|
---|
104 | }
|
---|
105 | if(!lf.isFile() && !lf.isDirectory()) {
|
---|
106 | throw new IOException("File: " + localFile + " is not a regular file or directory");
|
---|
107 | }
|
---|
108 | if(lf.isDirectory() && !recursive) {
|
---|
109 | throw new IOException("File: " + localFile + " is a directory, use recursive mode");
|
---|
110 | }
|
---|
111 | if(remoteFile == null || remoteFile.equals(""))
|
---|
112 | remoteFile = ".";
|
---|
113 |
|
---|
114 | client.doSingleCommand("scp " + (lf.isDirectory() ? "-d " : "") + "-t " +
|
---|
115 | (recursive ? "-r " : "") + (verbose ? "-v " : "") + remoteFile, true, 0);
|
---|
116 | readResponse("After starting remote scp");
|
---|
117 | writeFileToRemote(lf);
|
---|
118 | client.forcedDisconnect();
|
---|
119 | }
|
---|
120 |
|
---|
121 | public void copyToRemote(String[] localFiles, String remoteFile) throws IOException {
|
---|
122 | if(remoteFile == null || remoteFile.equals(""))
|
---|
123 | remoteFile = ".";
|
---|
124 | if(localFiles.length == 1) {
|
---|
125 | copyToRemote(localFiles[0], remoteFile);
|
---|
126 | } else {
|
---|
127 | client.doSingleCommand("scp " + "-d -t " + (recursive ? "-r " : "") +
|
---|
128 | (verbose ? "-v " : "") + remoteFile, true, 0);
|
---|
129 | readResponse("After starting remote scp");
|
---|
130 | for(int i = 0; i < localFiles.length; i++) {
|
---|
131 | File lf = new File(localFiles[i]);
|
---|
132 | if(!lf.isAbsolute())
|
---|
133 | lf = new File(cwd, localFiles[i]);
|
---|
134 | if(!lf.isFile() && !lf.isDirectory()) {
|
---|
135 | alert("File: " + lf.getName() + " is not a regular file or directory");
|
---|
136 | continue;
|
---|
137 | }
|
---|
138 | writeFileToRemote(lf);
|
---|
139 | }
|
---|
140 | client.forcedDisconnect();
|
---|
141 | }
|
---|
142 | }
|
---|
143 |
|
---|
144 | public void copyToLocal(String localFile, String remoteFile) throws IOException {
|
---|
145 | if(localFile == null || localFile.equals(""))
|
---|
146 | localFile = ".";
|
---|
147 |
|
---|
148 | File lf = new File(localFile);
|
---|
149 | if(!lf.isAbsolute())
|
---|
150 | lf = new File(cwd, localFile);
|
---|
151 |
|
---|
152 | if(lf.exists() && !lf.isFile() && !lf.isDirectory()) {
|
---|
153 | throw new IOException("File: " + localFile + " is not a regular file or directory");
|
---|
154 | }
|
---|
155 | client.doSingleCommand("scp " + "-f " + (recursive ? "-r " : "") + (verbose ? "-v " : "") +
|
---|
156 | remoteFile, true, 0);
|
---|
157 | readFromRemote(lf);
|
---|
158 | client.forcedDisconnect();
|
---|
159 | }
|
---|
160 |
|
---|
161 | boolean writeDirToRemote(File dir) throws IOException {
|
---|
162 | if(!recursive) {
|
---|
163 | writeError("File " + dir.getName() + " is a directory, use recursive mode");
|
---|
164 | return false;
|
---|
165 | }
|
---|
166 | writeString("D0755 0 " + dir.getName() + "\n");
|
---|
167 | if(indicator != null)
|
---|
168 | indicator.startDir(dir.getAbsolutePath());
|
---|
169 | readResponse("After sedning dirdata");
|
---|
170 | String[] dirList = dir.list();
|
---|
171 | for(int i = 0; i < dirList.length; i++) {
|
---|
172 | File f = new File(dir, dirList[i]);
|
---|
173 | writeFileToRemote(f);
|
---|
174 | }
|
---|
175 | writeString("E\n");
|
---|
176 | if(indicator != null)
|
---|
177 | indicator.endDir();
|
---|
178 | return true;
|
---|
179 | }
|
---|
180 |
|
---|
181 | void writeFileToRemote(File file) throws IOException {
|
---|
182 | if(file.isDirectory()) {
|
---|
183 | if(!writeDirToRemote(file))
|
---|
184 | return;
|
---|
185 | } else if(file.isFile()) {
|
---|
186 | writeString("C0644 " + file.length() + " " + file.getName() + "\n");
|
---|
187 | if(indicator != null)
|
---|
188 | indicator.startFile(file.getName(), (int)file.length());
|
---|
189 | readResponse("After sending filedata");
|
---|
190 | FileInputStream fi = new FileInputStream(file);
|
---|
191 | writeFully(fi, (int)file.length());
|
---|
192 | writeByte(0);
|
---|
193 | if(indicator != null)
|
---|
194 | indicator.endFile();
|
---|
195 | } else {
|
---|
196 | throw new IOException("Not ordinary file: " + file.getName());
|
---|
197 | }
|
---|
198 | readResponse("After writing file");
|
---|
199 | }
|
---|
200 |
|
---|
201 | void readFromRemote(File file) throws IOException {
|
---|
202 | String cmd;
|
---|
203 | String[] cmdParts = new String[3];
|
---|
204 | writeByte(0);
|
---|
205 | while(true) {
|
---|
206 | do {
|
---|
207 | try {
|
---|
208 | cmd = readString();
|
---|
209 | } catch (EOFException e) {
|
---|
210 | return;
|
---|
211 | }
|
---|
212 | } while(cmd == null);
|
---|
213 | char cmdChar = cmd.charAt(0);
|
---|
214 | switch(cmdChar) {
|
---|
215 | case 'E':
|
---|
216 | writeByte(0);
|
---|
217 | return;
|
---|
218 | case 'T':
|
---|
219 | // !!!
|
---|
220 | System.out.println("(T)ime not supported: " + cmd);
|
---|
221 | break;
|
---|
222 | case 'C':
|
---|
223 | case 'D':
|
---|
224 | String targetName = file.getAbsolutePath();
|
---|
225 | parseCommand(cmd, cmdParts);
|
---|
226 | if(file.isDirectory()) {
|
---|
227 | targetName += File.separator + cmdParts[2];
|
---|
228 | }
|
---|
229 | File targetFile = new File(targetName);
|
---|
230 | if(cmdChar == 'D') {
|
---|
231 | if(targetFile.exists()) {
|
---|
232 | if(!targetFile.isDirectory())
|
---|
233 | writeError("Invalid target " + targetFile.getName() +
|
---|
234 | ", must be a directory");
|
---|
235 | } else {
|
---|
236 | if(!targetFile.mkdir())
|
---|
237 | writeError("Could not create directory: " + targetFile.getName());
|
---|
238 | }
|
---|
239 | if(indicator != null)
|
---|
240 | indicator.startDir(targetFile.getAbsolutePath());
|
---|
241 | readFromRemote(targetFile);
|
---|
242 | if(indicator != null)
|
---|
243 | indicator.endDir();
|
---|
244 | continue;
|
---|
245 | }
|
---|
246 | FileOutputStream fo = new FileOutputStream(targetFile);
|
---|
247 | writeByte(0);
|
---|
248 | int len = Integer.parseInt(cmdParts[1]);
|
---|
249 | if(indicator != null)
|
---|
250 | indicator.startFile(targetFile.getName(), len);
|
---|
251 | readFully(fo, len);
|
---|
252 | readResponse("After reading file");
|
---|
253 | if(indicator != null)
|
---|
254 | indicator.endFile();
|
---|
255 | writeByte(0);
|
---|
256 | break;
|
---|
257 | default:
|
---|
258 | writeError("Unexpected cmd: " + cmd);
|
---|
259 | throw new IOException("Unexpected cmd: " + cmd);
|
---|
260 | }
|
---|
261 | }
|
---|
262 | }
|
---|
263 |
|
---|
264 | void parseCommand(String cmd, String[] cmdParts) throws IOException {
|
---|
265 | int l, r;
|
---|
266 | l = cmd.indexOf(' ');
|
---|
267 | r = cmd.indexOf(' ', l + 1);
|
---|
268 | if(l == -1 || r == -1) {
|
---|
269 | writeError("Syntax error in cmd");
|
---|
270 | throw new IOException("Syntax error in cmd");
|
---|
271 | }
|
---|
272 | cmdParts[0] = cmd.substring(1, l);
|
---|
273 | cmdParts[1] = cmd.substring(l + 1, r);
|
---|
274 | cmdParts[2] = cmd.substring(r + 1);
|
---|
275 | }
|
---|
276 |
|
---|
277 | void readResponse(String where) throws IOException {
|
---|
278 | int r = readByte();
|
---|
279 | if(r == 0) {
|
---|
280 | // All is well, no error
|
---|
281 | return;
|
---|
282 | }
|
---|
283 | String errMsg = readString();
|
---|
284 | if(r == (byte)'\02')
|
---|
285 | throw new IOException(errMsg);
|
---|
286 | alert(errMsg);
|
---|
287 | }
|
---|
288 |
|
---|
289 | void writeError(String reason) throws IOException {
|
---|
290 | writeByte(1);
|
---|
291 | writeString(reason);
|
---|
292 | alert(reason);
|
---|
293 | }
|
---|
294 |
|
---|
295 | int readByte() throws IOException {
|
---|
296 | return inTop.read();
|
---|
297 | }
|
---|
298 |
|
---|
299 | String readString() throws IOException {
|
---|
300 | byte[] buf = new byte[2048];
|
---|
301 | int ch, i = 0;
|
---|
302 | while(((ch = readByte()) != ((int)'\n')) && ch >= 0) {
|
---|
303 | buf[i++] = (byte)ch;
|
---|
304 | }
|
---|
305 | if(ch == -1) {
|
---|
306 | throw new EOFException();
|
---|
307 | }
|
---|
308 | if(buf[0] == (byte)'\n')
|
---|
309 | throw new IOException("Unexpected <NL>");
|
---|
310 | if(buf[0] == (byte)'\02' || buf[0] == (byte)'\01') {
|
---|
311 | // !!!
|
---|
312 | String errMsg = new String(buf, 1, i - 1);
|
---|
313 | if(buf[0] == (byte)'\02')
|
---|
314 | throw new IOException(errMsg);
|
---|
315 | alert(errMsg);
|
---|
316 | return null;
|
---|
317 | }
|
---|
318 | return new String(buf, 0, i);
|
---|
319 | }
|
---|
320 |
|
---|
321 | void readFully(FileOutputStream file, int size) throws IOException {
|
---|
322 | byte[] buf = new byte[2048];
|
---|
323 | int cnt = 0, n;
|
---|
324 | while(cnt < size) {
|
---|
325 | n = inTop.read(buf, 0, ((size - cnt) < 2048 ? (size - cnt) : 2048));
|
---|
326 | if(n == -1) {
|
---|
327 | alert("Premature EOF");
|
---|
328 | throw new IOException("Premature EOF");
|
---|
329 | }
|
---|
330 | cnt += n;
|
---|
331 | file.write(buf, 0, n);
|
---|
332 | if(indicator != null)
|
---|
333 | indicator.progress(n);
|
---|
334 | }
|
---|
335 | file.close();
|
---|
336 | }
|
---|
337 |
|
---|
338 | void writeByte(int b) throws IOException {
|
---|
339 | byte[] buf = new byte[1];
|
---|
340 | buf[0] = (byte)b;
|
---|
341 | client.stdinWriteString(buf);
|
---|
342 | }
|
---|
343 |
|
---|
344 | void writeString(String str) throws IOException {
|
---|
345 | byte[] buf = str.getBytes();
|
---|
346 | client.stdinWriteString(buf);
|
---|
347 | }
|
---|
348 |
|
---|
349 | void writeFully(FileInputStream file, int size) throws IOException {
|
---|
350 | byte[] buf = new byte[2048];
|
---|
351 | int cnt = 0, n;
|
---|
352 | while(cnt < size) {
|
---|
353 | n = file.read(buf, 0, ((size - cnt) < 2048 ? (size - cnt) : 2048));
|
---|
354 | if(n == -1)
|
---|
355 | throw new IOException("Premature EOF");
|
---|
356 | cnt += n;
|
---|
357 | client.stdinWriteString(buf, 0, n);
|
---|
358 | if(indicator != null)
|
---|
359 | indicator.progress(n);
|
---|
360 | Thread.yield();
|
---|
361 | }
|
---|
362 | file.close();
|
---|
363 | }
|
---|
364 |
|
---|
365 | public void stdoutWriteString(byte[] str) {
|
---|
366 | try {
|
---|
367 | inBottom.write(str);
|
---|
368 | } catch(IOException e) {
|
---|
369 | try {
|
---|
370 | inBottom.close();
|
---|
371 | } catch (IOException ee) {
|
---|
372 | // !!!
|
---|
373 | }
|
---|
374 | alert("Error writing data to stdout-pipe");
|
---|
375 | }
|
---|
376 | }
|
---|
377 |
|
---|
378 | public void stderrWriteString(byte[] str) {
|
---|
379 | if(verbose) alert("Remote warning/error: " + new String(str));
|
---|
380 | }
|
---|
381 |
|
---|
382 | public Terminal getTerminal() {
|
---|
383 | return null;
|
---|
384 | }
|
---|
385 | public void print(String str) {
|
---|
386 | }
|
---|
387 | public void println(String str) {
|
---|
388 | }
|
---|
389 | public void serverConnect(SSHChannelController controller, Cipher sndCipher) {
|
---|
390 | }
|
---|
391 | public void serverDisconnect(String reason) {
|
---|
392 | }
|
---|
393 | public boolean wantPTY() {
|
---|
394 | return false;
|
---|
395 | }
|
---|
396 | public void open(SSHClient client) {
|
---|
397 | if(indicator != null)
|
---|
398 | indicator.connected(sshHost);
|
---|
399 | }
|
---|
400 | public void disconnected(SSHClient client, boolean graceful) {
|
---|
401 | try {
|
---|
402 | inBottom.close();
|
---|
403 | } catch (IOException e) {
|
---|
404 | // !!!
|
---|
405 | }
|
---|
406 | }
|
---|
407 | public void alert(String msg) {
|
---|
408 | if(interactor != null) {
|
---|
409 | interactor.alert(msg);
|
---|
410 | }
|
---|
411 | }
|
---|
412 |
|
---|
413 | public Socket getProxyConnection() throws IOException {
|
---|
414 | if(proxyUser != null) {
|
---|
415 | return proxyUser.getProxyConnection();
|
---|
416 | }
|
---|
417 | return null;
|
---|
418 | }
|
---|
419 |
|
---|
420 | public SSHInteractor getInteractor() {
|
---|
421 | return ourInteractAdapter;
|
---|
422 | }
|
---|
423 |
|
---|
424 | /* !!! TESTING !!!
|
---|
425 | public static void main(String[] argv) {
|
---|
426 | try {
|
---|
427 | SSHSCP scp = new SSHSCP("hal", 22, new SSHPasswordAuthenticator("mats", "********"),
|
---|
428 | new File("."), true, true);
|
---|
429 | String[] files = { "foo.h", "foo.c" };
|
---|
430 | scp.copyToRemote(files, "");
|
---|
431 | scp.copyToRemote(files, "foodir");
|
---|
432 | scp.copyToRemote("dummies/", "");
|
---|
433 | scp.copyToLocal("bar.c", "foo.c");
|
---|
434 | scp.copyToLocal("", "foodir");
|
---|
435 | System.exit(0);
|
---|
436 | } catch (IOException e) {
|
---|
437 | System.out.println("Error here: " + e);
|
---|
438 | e.printStackTrace();
|
---|
439 | }
|
---|
440 | }
|
---|
441 | */
|
---|
442 |
|
---|
443 | }
|
---|