Question

我必须更新使用JCIFS for Windows Server 2012的旧文件共享软件。出于安全考虑，我们必须禁用SMB 1.0 / CIFS兼容性。有没有人知道可以在Java中使用的变通方法或修复或JCIFS的替代方法？

Answer 1

我刚刚发布了一个类似问题的答案：

Accessing SMB2.1 or SMB3 share from java?

＆LT; ...＆GT; 我刚刚在Android上使用了hierynomus/smbj v0.2.0并添加了SMB2支持。＆LT; ...＆GT; 需要Bouncycastle / Spongycastle ＆LT; ...＆GT;

上传文件

确保在openFile上调用DiskShare时设置正确的标记（通过查看源代码偏离课程）：

// required imports
import com.hierynomus.msdtyp.AccessMask;
import com.hierynomus.msfscc.FileAttributes;
import com.hierynomus.mssmb2.SMB2CreateDisposition;
import com.hierynomus.mssmb2.SMB2CreateOptions;
import com.hierynomus.mssmb2.SMB2ShareAccess;
import com.hierynomus.smbj.SMBClient;
import com.hierynomus.smbj.SmbConfig;
import com.hierynomus.smbj.auth.AuthenticationContext;
import com.hierynomus.smbj.common.SMBApiException;
import com.hierynomus.smbj.connection.Connection;
import com.hierynomus.smbj.session.Session;
import com.hierynomus.smbj.share.DiskShare;
import com.hierynomus.smbj.share.File;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Arrays;
import java.util.HashSet;
...
// connection params
String sambaDomain = null; // can be null
String sambaUsername = "iamuploader";
String sambaPass = "mysecret";
String sambaIP = "192.168.1.236";
String sambaSharedPath = "sharedfolder";

...
// upload method
// usage: upload("file/whithin/folder.txt", fileBytes);
public void upload(String filename, byte[] bytes) throws IOException {

    SmbConfig cfg = SmbConfig.builder().build();
    SMBClient client = new SMBClient(cfg);
    Connection connection = client.connect(sambaIP);
    Session session = connection.authenticate(new AuthenticationContext(sambaUsername, sambaPass.toCharArray(), sambaDomain));
    DiskShare share = (DiskShare) session.connectShare(sambaSharedPath);

    // this is com.hierynomus.smbj.share.File !
    File f = null;
    int idx = filename.lastIndexOf("/");

    // if file is in folder(s), create them first
    if(idx > -1) {
        String folder = filename.substring(0, idx);
        try {
            if(!share.folderExists(folder)) share.mkdir(folder);
        } catch (SMBApiException ex) {
            throw new IOException(ex);
        }

    }

    // I am creating file with flag FILE_CREATE, which will throw if file exists already
    if(!share.fileExists(filename)){
        f = share.openFile(filename,
                new HashSet<>(Arrays.asList(AccessMask.GENERIC_ALL)),
                new HashSet<>(Arrays.asList(FileAttributes.FILE_ATTRIBUTE_NORMAL)),
                SMB2ShareAccess.ALL,
                SMB2CreateDisposition.FILE_CREATE,
                new HashSet<>(Arrays.asList(SMB2CreateOptions.FILE_DIRECTORY_FILE))
        );
    }

    if(f == null) return null;

    OutputStream os = f.getOutputStream();
    os.write(bytes);
    os.close();
}

Answer 2

Visuality Systems正在开发Java中的商业smb堆栈，并向SMB1提供后向支持。测试版很快就会推出。 VS还通过JNI在现有的NQE堆栈上提供完整的SMB。

未启用SMB 1.0 / CIFS兼容性的Java SMB文件共享

2 个答案:

上传文件