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Top Forums UNIX for Beginners Questions & Answers To send ID and Password for each command using expect feature in bash script Post 303035999 by Xtreme on Wednesday 12th of June 2019 03:55:20 AM
Old 06-12-2019
To send ID and Password for each command using expect feature in bash script

Dear Tech Guys,

I am trying to send some commands on the local server and it always asks for user name and password after each command. To serve the purpose I am using expect function as follows:

Code:
#!/usr/bin/expect

set timeout 20



spawn "./data1.sh"

expect "Please Enter UserName: " { send "admin\r" }
expect "*Password: " { send "admin123\r" }

interact

where data1.sh have the say:

Code:
#!/bin/bash
command1
command2
command3

Now the problem is that, my expect script provides username and password for only command1 but not providing username and password for command2 onwards and stops at the username prompt. Please help me out to troubleshoot this issue.
 

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libssh2_userauth_password_ex(3) 				  libssh2 manual				   libssh2_userauth_password_ex(3)

NAME
libssh2_userauth_password_ex - authenticate a session with username and password SYNOPSIS
#include <libssh2.h> int libssh2_userauth_password_ex(LIBSSH2_SESSION *session, const char *username, unsigned int username_len, const char *password, unsigned int password_len, LIBSSH2_PASSWD_CHANGEREQ_FUNC((*passwd_change_cb))); #define libssh2_userauth_password(session, username, password) libssh2_userauth_password_ex((session), (username), strlen(username), (password), strlen(password), NULL) DESCRIPTION
session - Session instance as returned by libssh2_session_init_ex(3) username - Name of user to attempt plain password authentication for. username_len - Length of username parameter. password - Password to use for authenticating username. password_len - Length of password parameter. passwd_change_cb - If the host accepts authentication but requests that the password be changed, this callback will be issued. If no call- back is defined, but server required password change, authentication will fail. Attempt basic password authentication. Note that many SSH servers which appear to support ordinary password authentication actually have it disabled and use Keyboard Interactive authentication (routed via PAM or another authentication backed) instead. RETURN VALUE
Return 0 on success or negative on failure. It returns LIBSSH2_ERROR_EAGAIN when it would otherwise block. While LIBSSH2_ERROR_EAGAIN is a negative number, it isn't really a failure per se. ERRORS
Some of the errors this function may return include: LIBSSH2_ERROR_ALLOC - An internal memory allocation call failed. LIBSSH2_ERROR_SOCKET_SEND - Unable to send data on socket. LIBSSH2_ERROR_PASSWORD_EXPIRED - IBSSH2_ERROR_AUTHENTICATION_FAILED - failed, invalid username/password or public/private key. SEE ALSO
libssh2_session_init_ex(3) libssh2 0.15 1 Jun 2007 libssh2_userauth_password_ex(3)
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