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·301 lines (274 loc) · 6.99 KB
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package javaforce.utils;
/**
* Fuse SMB/CIFS
*
* Created : Nov 2, 2013
*/
import java.io.*;
import javaforce.*;
import javaforce.jni.*;
import javaforce.jni.lnx.*;
public class jfuseftp extends Fuse {
protected String user, server; //user@server
private String pass;
public FTP ftp;
private void connect(FTP ftp) throws Exception {
ftp.connect(server, 21);
}
public static void main(String args[]) {
if (args.length == 0) {
System.out.println("Usage : jfuse-smb user@server mount");
return;
}
new jfuseftp().main2(args);
}
public boolean auth(String args[], String passwd) {
this.pass = passwd;
try {
int idx1 = args[0].indexOf("@");
if (idx1 == -1) throw new Exception("Usage : jfuse-smb user@server mount");
user = args[0].substring(0, idx1);
server = args[0].substring(idx1+1);
ftp = new FTP();
connect(ftp);
if (!ftp.login(user, passwd)) throw new Exception("login failed");
return true;
} catch (Exception e) {
JFLog.log("Error:" + e);
return false;
}
}
public void main2(String args[]) {
try {
//auth first
System.out.print("Password:");
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String passwd = br.readLine();
if (!auth(args, passwd)) throw new Exception("bad password");
System.out.println("Ok");
System.out.flush();
LnxNative.fuse(args, this);
} catch (Exception e) {
JFLog.log("Error:" + e);
}
}
//drwxrwxrwx ? <user > <user > <size > MMM DD YYYY <name...>
//0123456789012345678901234567890123456789012345678901234567890
public int getattr(String path, FuseStat stat) {
// JFLog.log("getattr:" + path);
try {
String ln = ftp.ls(path);
if (ln.length() < 10) throw new Exception("bad dir");
if (ln.charAt(0) == 'd') {
stat.folder = true;
} else if (ln.charAt(0) == 'l') {
stat.symlink = true;
} else {
stat.size = JF.atoi(ln.substring(33,46).trim());
}
return 0;
} catch (Exception e) {
// JFLog.log(e);
return -1;
}
}
public int mkdir(String path, int mode) {
// JFLog.log("mkdir:" + path);
if (!path.endsWith("/")) path += "/";
try {
ftp.mkdir(path);
return 0;
} catch (Exception e) {
JFLog.log(e);
return -1;
}
}
public int unlink(String path) {
// JFLog.log("unlink:" + path);
try {
ftp.rm(path);
return 0;
} catch (Exception e) {
JFLog.log(e);
return -1;
}
}
public int rmdir(String path) {
// JFLog.log("rmdir:" + path);
if (!path.endsWith("/")) path += "/";
try {
ftp.rmdir(path);
return 0;
} catch (Exception e) {
JFLog.log(e);
return -1;
}
}
public int symlink(String target, String link) {
// JFLog.log("symlink:" + link + "->" + target);
return -1;
}
public int link(String target, String link) {
// JFLog.log("link:" + link + "->" + target);
return -1;
}
public int chmod(String path, int mode) {
// JFLog.log("chmod:" + path);
try {
ftp.chmod(mode, path);
return 0;
} catch (Exception e) {
JFLog.log(e);
return -1;
}
}
public int chown(String path, int mode) {
// JFLog.log("chown:" + path);
return -1;
}
public int truncate(String path, long size) {
// JFLog.log("truncate:" + path);
return -1;
}
private class FileState {
FTP ftp; //create a new session for file transfers
boolean reading;
boolean writing;
long pos;
OutputStream os;
InputStream is;
}
public int open(String path, int mode, int fd) {
// JFLog.log("open:" + path);
try {
String ln = ftp.ls(path);
if (ln.charAt(0) == 'd') throw new Exception("not a file");
FileState fs = new FileState();
attachObject(fd, fs);
return 0;
} catch (Exception e) {
JFLog.log(e);
return -1;
}
}
public int read(String path, byte buf[], long offset, int fd) {
int size = buf.length;
// JFLog.log("read:" + path);
FileState fs = (FileState)getObject(fd);
if (fs == null) {
JFLog.log("no fs");
return -1;
}
if (fs.writing) {
JFLog.log("read after write");
return -1;
}
try {
if (!fs.reading) {
if (offset != 0) throw new Exception("read not from start of file");
fs.reading = true;
fs.ftp = new FTP();
fs.pos = 0;
connect(fs.ftp);
fs.ftp.login(user, pass);
fs.is = fs.ftp.getStart(path);
} else {
if (fs.pos != offset) throw new Exception("download not continuous");
}
byte data[] = new byte[size];
int read = 0;
int pos = 0;
while (read != size) {
int amt = fs.is.read(data, pos, size - read);
if (amt <= 0) throw new Exception("read failed");
read += amt;
pos += amt;
}
fs.pos += size;
return size;
} catch (Exception e) {
JFLog.log(e);
return -1;
}
}
public int write(String path, byte buf[], long offset, int fd) {
int size = buf.length;
// JFLog.log("write:" + path);
FileState fs = (FileState)getObject(fd);
if (fs == null) {
// JFLog.log("fs null");
return -1;
}
if (fs.reading) {
// JFLog.log("write after read");
return -1;
}
try {
if (!fs.writing) {
if (offset != 0) throw new Exception("write not from start of file");
fs.writing = true;
fs.ftp = new FTP();
fs.pos = 0;
connect(fs.ftp);
fs.ftp.login(user, pass);
fs.os = fs.ftp.putStart(path);
} else {
if (fs.pos != offset) throw new Exception("write not sequential");
}
fs.os.write(buf);
fs.pos += size;
return size;
} catch (Exception e) {
JFLog.log(e);
return -1;
}
}
public int statfs(String path) {
// JFLog.log("statfs:" + path);
return -1;
}
public int close(String path, int fd) {
// JFLog.log("release:" + path);
FileState fs = (FileState)getObject(fd);
try {
if (fs != null) {
if (fs.reading) {
fs.ftp.getFinish();
fs.reading = false;
}
if (fs.writing) {
fs.ftp.putFinish();
fs.writing = false;
}
if (fs.ftp != null) {
fs.ftp.disconnect();
fs.ftp = null;
}
}
} catch (Exception e) {
JFLog.log(e);
}
detachObject(fd);
return 0;
}
public String[] readdir(String path) {
// JFLog.log("readdir:" + path);
if (!path.endsWith("/")) path += "/";
try {
String dir = ftp.ls(path);
String lns[] = dir.split("\n");
String ret[] = new String[lns.length];
for(int a=0;a<lns.length;a++) {
ret[a] = lns[a].substring(100);
}
return ret;
} catch (Exception e) {
JFLog.log(e);
return null;
}
}
public int create(String path, int mode, int fd) {
// JFLog.log("create:" + path);
return 0;
}
}