SSH Connectivity to CRaSH 1.3

[Harsh Kumar]

Hi,

I was trying to conenct via SSH to CRaSH 1.3, but the password 'crash' is not getting accepted. I have tried on multiple machines logged in as root and otherwise. Any clues?

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Sincerely

Harsh Kumar

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[Julien Viet]

the default password for ssh is "admin"

you can avoid password and use a public key since 1.2.3 release : http://www.crashub.org/reference.html#d5e482

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[Harsh Kumar]

The password 'admin' is working, but even after generating a key using dsa/rsa and modifying the crash.properties file to point to the .pub key files, it is still prompting for password. Any way to fix this? What am i donig wrong?

[Julien Viet]

Hi,

you need to point to .pem files, i.e you need to transform your key file into a .pem format.

you can use this command line to achieve it:

openssl dsa -in ~/.ssh/id_dsa -outform pem -pubout > id_dsa.pem

and the id_dsa file should be pointed out by crash.properties.

[Harsh Kumar]

Hi,

It is still not working even after generating the .pem file. On top of that, it does not even accept the password 'admin' when i give authentication.

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[Julien Viet]

which version of crash are you using ?

can you show us your crash.properties content ?

[Harsh Kumar]

I am using crash-1.3

crash.properties

# VFS configuration
crash.vfs.refresh_period=1

# SSH configuration
crash.ssh.port=2000
crash.ssh.keypath=~/.ssh/id_rsa.pem

# Telnet configuration
crash.telnet.port=5000

# Authentication configuration
#crash.auth=simple
#crash.auth.simple.username=admin
#crash.auth.simple.password=admin
crash.auth=key
crash.ssh.key.path=~/.ssh/id_rsa.pem

[Harsh Kumar]

Hi, Any Update on this? I am still not able to log in without password

[Harsh Kumar]

Hi,

The logs say the following:

INFO: Received SSH_MSG_USERAUTH_REQUEST
May 20, 2013 12:26:04 PM org.apache.sshd.server.session.ServerSession userAuth
INFO: Authenticating user 'admin' with method 'none'
May 20, 2013 12:26:04 PM org.apache.sshd.server.session.ServerSession userAuth
INFO: Unsupported authentication method 'none'
May 20, 2013 12:26:54 PM org.crsh.ssh.SSHPlugin destroy
INFO: Shutting down SSHD

[Julien Viet]

hi,

you need at least to give the full absolute path to the PEM file and not use tilda "~" inside the path value.

[Harsh Kumar]

Hi,

I removed the '~' in the path. Following is the full log that is generated on using key authentication:

May 20, 2013 1:18:29 PM org.apache.sshd.server.session.ServerSession <init>
INFO: Session created...
May 20, 2013 1:18:29 PM org.apache.sshd.server.session.ServerSession readIdentification
INFO: Client version string: SSH-2.0-OpenSSH_5.9p1 Debian-5ubuntu1
May 20, 2013 1:18:29 PM org.apache.sshd.server.session.ServerSession handleMessage
INFO: Received SSH_MSG_KEXINIT
May 20, 2013 1:18:29 PM org.apache.sshd.server.kex.AbstractDHGServer next
INFO: Received SSH_MSG_KEXDH_INIT
May 20, 2013 1:18:29 PM org.apache.sshd.server.kex.AbstractDHGServer next
INFO: Send SSH_MSG_KEXDH_REPLY
May 20, 2013 1:18:29 PM org.apache.sshd.common.session.AbstractSession sendNewKeys
INFO: Send SSH_MSG_NEWKEYS
May 20, 2013 1:18:29 PM org.apache.sshd.server.session.ServerSession handleMessage
INFO: Received SSH_MSG_NEWKEYS
May 20, 2013 1:18:29 PM org.apache.sshd.server.session.ServerSession handleMessage
INFO: Received SSH_MSG_SERVICE_REQUEST 'ssh-userauth'
May 20, 2013 1:18:29 PM org.apache.sshd.server.session.ServerSession userAuth
INFO: Accepting user authentication request
May 20, 2013 1:18:29 PM org.apache.sshd.server.session.ServerSession userAuth
INFO: Authorized authentication methods: password
May 20, 2013 1:18:29 PM org.apache.sshd.server.session.ServerSession handleMessage
INFO: Received SSH_MSG_USERAUTH_REQUEST
May 20, 2013 1:18:29 PM org.apache.sshd.server.session.ServerSession userAuth

INFO: Authenticating user 'admin' with method 'none'

May 20, 2013 1:18:29 PM org.apache.sshd.server.session.ServerSession userAuth

INFO: Unsupported authentication method 'none'

[Harsh Kumar]

Hi ,

In the logs it says method as 'password' as highlighted below. Should it not be changed to keys?? (while using keys)

[Harsh Kumar]

Hi,

I am still unable to ssh with a key. Can anyone help me?

No matter what I do, it still prompts for password.

Here is my crash.properties file

# VFS configuration
crash.vfs.refresh_period=1

# SSH configuration
crash.ssh.port=2000

#crash.ssh.key.path=/home/.ssh/id_dsa.pem
#crash.ssh.keypath=/home//.ssh/id_dsa.pem

# Telnet configuration
crash.telnet.port=5000

# Authentication configuration
#crash.auth=simple

crash.auth.simple.username=admin
crash.auth.simple.password=admin
crash.auth=key
crash.ssh.key.path=/home/.ssh/id_dsa2.pem
#crash.ssh.keypath=/home/.ssh/id_dsa2.pem
#crash.ssh.key.path=/home/crash/keys/id_rsa.pem

How I generated id_dsa2.pem as follows:

ssh-keygen -t dsa
openssl dsa -in ~/.ssh/id_dsa -outform pem -pubout > id_dsa2.pem

[Julien Viet]

Hi,

at least you need to change

crash.ssh.key.path

to

crash.auth.key.path

there is this video I recorded that shows the setup of SSH keys in context of vert.x mod-shell (based on crash)

[Harsh Kumar]

Hi ,

After changing the crash.properties to the following :

# VFS configuration
crash.vfs.refresh_period=1

# SSH configuration
crash.ssh.port=2000

crash.ssh.keypath=/home/.ssh/id_dsa2.pem

# Telnet configuration
crash.telnet.port=5000

# Authentication configuration

crash.auth=key
crash.auth.keypath=/home/.ssh/id_dsa2.pem
crash.auth.simple.username=admin
crash.auth.simple.password=admin

ssh is hanging. Nothing is happening

Can you share the link to that video?

[Harsh Kumar]

Hi,

I just saw the video. No luck still. Is there a different way to generate the keys?

BR
Harsh

[Harsh Kumar]

Hi,

Logs say that it is "Unsupported authentication method"

INFO: Accepting user authentication request

Jul 11, 2013 5:04:50 PM org.apache.sshd.server.session.ServerSession userAuth

INFO: Authorized authentication methods: password

Jul 11, 2013 5:04:50 PM org.apache.sshd.server.session.ServerSession handleMessage
INFO: Received SSH_MSG_USERAUTH_REQUEST
Jul 11, 2013 5:04:50 PM org.apache.sshd.server.session.ServerSession userAuth

INFO: Authenticating user 'admin' with method 'none'

Jul 11, 2013 5:04:50 PM org.apache.sshd.server.session.ServerSession userAuth