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Top Forums UNIX for Beginners Questions & Answers Shell Script for "Password Management" Post 303046110 by newbie_01 on Friday 24th of April 2020 03:48:11 AM
Old 04-24-2020
Hi,

Thanks for your reply.
Unfortunately, I can't use what you are suggesting. I am more or less looking for something 'simple' actually.
So there are several servers that I ssh to, I can copy the rsa keys to several hosts and then ssh with no password. So that's all well and good.
But there are also a Windows login, AWS login, database password login, my bank account login, just kidding, and several other 'clients' / customer that I support that I unfortunately cannot copy the rsa keys too.


So what am thinking is for each client, I create a text file with the login and password information and then I run the following



Code:
openssl enc -aes-256-cbc -salt -in list.txt -out list.txt.enc
openssl enc -aes-256-cbc -d -in list.txt.enc | cat

The first one is obviously an encrypt after which I delete the plain text file, and when I need to access the password information, I run the second command which is a decrypt and then copy and paste the output from the decrypt. xclip or any UNIX clip command are not available.


So it is kinda like a shell script for maintaining a text file that I encrypt and delete the text file and decrypt the encrypted file if/when I need to access the password information.


The other 'easier' option/alternative that I am hoping to have maybe is if I have the password text file as below:



Code:
mickey mouse
donald duck
bugs bunny

Then if I can encrypt and masked it like below:



Code:
mickey ******
donald ******
bugs ******

And then run an unmasked/decrypt that will toggle the ****** to show/hide the password.


At the moment, I can manage with using openssl to encrypt/decrypt. Just need some kind of menu/script to manage it maybe Smilie


I know there are other password management scripts/tools around for Linux/Unix, but unfortunately, as I am not the SysAdmin and the client possibly not approving to install such utility in the server, am left with only 'writing' my own shell script option with using one text file for each username/password Smilie Obviously, I still need to remember the one 'master' password that I used for doing the openssl -enc
 

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pwd_strengthd(1m)														 pwd_strengthd(1m)

NAME
pwd_strengthd - The sample Password Management Server SYNOPSIS
pwd_strengthd [+/-all[_spaces]] [+/-alp[ha_num]] [-c[ache_size]] size [-d[ebug]] [-m[in_len]] pwd_min_len [-t[imeout]] minutes [-v[erbose]] OPTIONS
Allow passwords to be all spaces. If this option is not set, the effective registry policy is used. Disallow passwords to be all spaces. If this option is not set, the effective registry policy is used. Allow passwords to consist only of alphanumeric characters. If this option is not set, the effective registry policy is used. Disallow passwords to consist only of alphanumeric characters. If this option is not set, the effective registry policy is used. Specify the number of hash buckets in the password cache. The password cache is used to store generated passwords which are retrieved when the password is strength checked. The password cache is a hash table with a linked list for collisions. The size should be set to a reasonable value based on how large the cache will be on average. The default value if not specified is 100. Run in the foreground. Log messages are written to standard output. Specify the minimum length of a password. If this option is not set, the effective registry policy is used. Specify the time, in minutes, that generated passwords remain in the cache before they are deleted from memory. If this option is not specified, the default time is 30 minutes. Runs in verbose mode. More detailed messages are sent to the logfile $DCELOCAL/var/security/pwd_strengthd.log. (Use of this option is recommended.) DESCRIPTION
DESCRIPTION pwd_strengthd is a sample Password Management Server. It exports the rsec_pwd_mgmt application programming interface. pwd_strengthd generates passwords and strength-checks them. It enforces the security registry policy for password strength-checking. Administrators can override the security registry policy via the command-line options (alpha_num, all_spaces, min_len.) Administrators can subject principals to password-strength and -generation policies by attaching the following ERAs: Specifies the password management policy the user must conform to when selecting passwords. Specifies information required in order to connect to the password management server. See the OSF DCE Administrator's Guide -- Core Services for more information and examples. You may want to enhance pwd_strengthd to support your site's policies for password strength and generation. pwd_strengthd(1m)
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