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Full Discussion: Input password to bash script, save, and enter when needed
Top Forums Shell Programming and Scripting Input password to bash script, save, and enter when needed Post 302949395 by jbrass on Friday 10th of July 2015 10:39:41 AM
Old 07-10-2015
Input password to bash script, save, and enter when needed
I am looking for a way to start a script and have it prompt for a password that will be used later on in the script to SSH to another host and to SFTP. I don't want the password to be hard coded. Below is my script with the actual IP's and usernames removed.

Code:
#!/usr/bin/expect -f
#!/usr/bin/bash
spawn -noecho bash




expect "ompsat5"

send "echo 'STARTING OUTAGE REPORT SCRIPT'\r"

expect "ompsat5"

USER=username

read -s -p "Password for $USER: " PASS



#######################################
#LOG INTO OMP 4                       #
#######################################

send "ssh username@10.10.10.10\r"
expect "Password:"

send "password\r"

#######################################
#LOG INTO OMP 4 DONE                  #
#######################################


#######################################
#RUN ALARM SCRIPT                     #
#######################################

expect "ompaus4"
send "cd /home/username/outagereport/modules\r"
send "pwd\r"
send "./austinreport.py\r"
send "exit\r"

#######################################
#RUN ALARM SCRIPT DONE                #
#######################################

#######################################
#RUN COMMAND FOR SCHERTZ ALARMS       #
#######################################
expect "ompsat5"
send "\n"
expect "Connection to"
send "./5outage.py\r"


#########################################
#DONE RUNNING COMMAND FOR SCHERTZ ALARMS#
#########################################

######################################
#SFTP REPORT TO SW 5                 #
######################################

send "sftp username@10.10.10.10\r"
expect "Password:"

send "password\r"
expect "sftp"
send "cd /home/username/outagereport/modules\r"
send "get AustinOutageReport.txt\r"
send "exit\r"

######################################
#DONE SFTP REPORT TO SW 5            #
######################################

############################################
#CD, RM, COMBINE, FORMAT, DISPLAY REPORT   #
############################################

expect "ompsat5"
send "cd /home/username/outagereport/modules\r"
send "rm masterreport.txt\r"
send "cat AustinOutageReport.txt outagereport.txt>>masterreport.txt\r"
send "./reportsed\r"
send "clear\r"
send "rm finalreport.txt\r"
send "./finalsed\r"
send "cat finalreport.txt\r"

#################################################
#DONE CD, RM, COMBINE, FORMAT, DISPLAY REPORT   #
#################################################

interact

 

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LEARN ABOUT FREEBSD

vipw

VIPW(8) 						    BSD System Manager's Manual 						   VIPW(8)

NAME

     vipw -- edit the password file

SYNOPSIS

     vipw [-d directory]

DESCRIPTION

     The vipw utility edits the password file after setting the appropriate locks, and does any necessary processing after the password file is
     unlocked.	If the password file is already locked for editing by another user, vipw will ask you to try again later.  The default editor for
     vipw is vi(1).

     When run without options, vipw will work with the password files in /etc.	The -d option may be used to specify an alternative directory to
     work with.

     The vipw utility performs a number of consistency checks on the password entries, and will not allow a password file with a ``mangled'' entry
     to be installed.  If vipw rejects the new password file, the user is prompted to re-enter the edit session.

     Once the information has been verified, vipw uses pwd_mkdb(8) to update the user database.  This is run in the background, and, at very large
     sites could take several minutes.	Until this update is completed, the password file is unavailable for other updates and the new information
     is not available to programs.

ENVIRONMENT

     If the following environment variable exists it will be utilized by vipw:

     EDITOR	      The editor specified by the string EDITOR will be invoked instead of the default editor vi(1).  This can be used to allow a
		      script to non-interactively modify the password file.

     PW_SCAN_BIG_IDS  See pwd_mkdb(8).

SEE ALSO

     chpass(1), passwd(1), passwd(5), adduser(8), pw(8), pwd_mkdb(8)

HISTORY

     The vipw utility appeared in 4.0BSD.

BUGS

     The mechanism for checking for password file modifications requires that the modification time of the password file changes.  This means that
     in a default configuration where file system timestamps are not calculated with sub-second precision, EDITOR has to run for at least one sec-
     ond.  Non-interactive editor scripts should invoke sleep(1) or equivalent to ensure this happens.

BSD
								 February 14, 2012							       BSD
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