jsch

Getting session and SFTP channel in Java using JSch library

萝らか妹 提交于 2019-12-22 14:00:28
问题 I am using JSch library for SFTP. I need to do several operations on SFTP server like move remote files in other directory, pull files, etc. For all these operations I need Session and from it I get Channel an then cast it to ChannelSftp . This is redundant step. So I thought of abstracting it into a private method. private ChannelSftp getChannelSftp() throws JSchException { java.util.Properties config = new java.util.Properties(); config.put("StrictHostKeyChecking", "no"); JSch jsch = new

Transfer string content to a file in remote machine using java

↘锁芯ラ 提交于 2019-12-22 12:26:08
问题 I need to place a string content in a remote file. Ideally, I used to create a file in local and then transfer that file to remote machine. Below is the code snippet I used, to copy file to remote. ChannelSftp sftpChannel = (ChannelSftp) channel; File file = new File(filePathWithName);//To read the file in local machine try { sftpChannel.cd(location);//Remote location //Transferring the file to RemoteLocation. sftpChannel.put(new FileInputStream(file), file.getName());//.(Here I don't want

Getting “Auth cancel” when authenticating using password with JSch

自古美人都是妖i 提交于 2019-12-22 11:29:22
问题 I'm trying to execute a Unix command from Java. I'm using the JSch library. Here's my code: try{ Session session = new JSch().getSession("*****", "****", 22); session.setPassword("****"); java.util.Properties config = new java.util.Properties(); config.put("StrictHostKeyChecking", "no"); session.setConfig(config); session.connect(); Channel channel=session.openChannel("exec"); ((ChannelExec)channel).setCommand("pwd"); InputStream in=channel.getInputStream(); byte[] tmp=new byte[1024]; while

How to check for read permission using JSch with SFTP protocol?

折月煮酒 提交于 2019-12-22 10:57:44
问题 I know there is getPermissions() method but I don't know how to use it. How can I check using JSch, if user can read files? 回答1: First, you should generally ask a functional question (what do you want to achive), to get an useful answer. You ask for an implementation/technical detail, hence my possibly useless technical answer: SftpATTRS.getPermissions() returns numerical representation of *nix permissions: https://en.wikipedia.org/wiki/File_system_permissions#Numeric_notation It's on its own

Setting ASCII mode in Jsch

醉酒当歌 提交于 2019-12-22 09:48:09
问题 I need to overcome a Unix - Windows file format (LF to CRLF) issue I'm currently having. The ftp client I am using is Jsch from Jcraft. The documentation online is very bare, although I have come across a flag that can be set SSH_FXF_TEXT_MODE that enables ASCII mode, but I don't see where I should set this in the code itself, nor do I see it mentioned in these Javadocs Below is my own attempt at a workaround. The "Newly Added" line shows how I take the file and convert it to an ASCII encoded

SFTP via JSch is throwing error 4: Failure

喜夏-厌秋 提交于 2019-12-21 03:48:30
问题 I am facing a peculiar issue while trying to SFTP a file from Windows to Unix server. The error "stack trace" is - 4: Failure at com.jcraft.jsch.ChannelSftp.throwStatusError(ChannelSftp.java:2846) at com.jcraft.jsch.ChannelSftp.checkStatus(ChannelSftp.java:2459) at com.jcraft.jsch.ChannelSftp._sendCLOSE(ChannelSftp.java:2465) at com.jcraft.jsch.ChannelSftp._put(ChannelSftp.java:683) at com.jcraft.jsch.ChannelSftp.put(ChannelSftp.java:475) at com.jcraft.jsch.ChannelSftp.put(ChannelSftp.java

JSch: How to ssh into a server using ssh-keys

我与影子孤独终老i 提交于 2019-12-21 02:34:38
问题 I want to ssh into a server from behind another ssh server. The gateway server requires a username/password and I can do this. I am using a tunnel to get into the next server, but this one requires only an ssh key. I've generated the key through PuTTY, so it exists for my username but I'm not sure how to retrieve it for my Java program. Is it a configuration? i.e. setConfig("userauth.publickey", "com.jcraft.jsch.UserAuthPublicKey") then how do I use this or something else? Documentation seems

Java git client using jgit

偶尔善良 提交于 2019-12-20 20:41:31
问题 I am having some difficulties with a git client written in java. I am using the jGit library to connect through ssh on the git server. The problem is that i don't know how to specify the path to the private key and the passphrase for it. I couldn't find any examples in the jGit documentation about what functions i need to call. From what i read the jGit library is using JSch to connect to the server using ssh and JSch supports private keys and passphrases. Does anyone have any experience with

JSch sftp upload/download progress

徘徊边缘 提交于 2019-12-20 09:56:14
问题 I am new to JSch and java. I managed to get some codes and understand it somehow, but i am stuck on one point. The following code downloads file from SSH server, but i am in need of the progress meter that shows percentage of file copied. HOw can i do it. I will be greatly appreciate your help. import com.jcraft.jsch.ChannelSftp; import com.jcraft.jsch.JSch; import com.jcraft.jsch.Session; import com.jcraft.jsch.SftpProgressMonitor; public class SFTPExample { public static void main(String

Accessing a git repository via ssh behind a firewall

六眼飞鱼酱① 提交于 2019-12-20 08:30:50
问题 I would like to access (clone/push/pull) a private (via ssh) git repository while behind a corporate firewall that only allows http proxy access. I have written a robust Java (daemon) program (based on the JSCh class library) that will allow me to leverage local and remote port forwarding and I am hoping to leverage this but my brain hurts when I try to envision how to set this up. The git repo depot (to coin a phrase) is at foo.server.com/var/git so the natural inclination, ignoring the