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Full Discussion: Write a shell script security policy settings for linux
Top Forums Shell Programming and Scripting Write a shell script security policy settings for linux Post 302514089 by ngovuongbinhtay on Thursday 14th of April 2011 11:28:16 PM
Old 04-15-2011
Write a shell script security policy settings for linux
The pro help!
Write a shell script setup for linux security policies include:
1. login (username and password login).
2. add, delete your username and password.
3. firewall.
Note: Write a shell script file as follows:
If login successful then
Step 2.
If step 2 succeeds (ie add, delete success) then
Step 3
End.

---------- Post updated at 10:28 PM ---------- Previous update was at 06:54 PM ----------

Can anyone help me with a bash shell login script? Its for my unix class and we need to make a script that allows the users we create to login on a screen and put their user name and password on it. Then from that screen it goes to a menu screen IF they put the right login/password combination.

Heres what i have so far.
Code:
tput cup $1 $2
tput clear
bold=`tput smso`
offbold=`tput rmso`
echo $bold
tput cup 10 20; echo "User ID:"
tput cup 12 20; echo "Password:"
echo $offbold
tput cup 10 41; read userid
tput cup 12 41; read password
while [ "$userid" != "/etc/passwd" ]; do
	echo $bold
	tput cup 15 35; echo "Incorrect User/Password"
	echo $offbold
     if	[ "$userid" = "/etc/passwd" ];
	then
	clear
	./companymenu; 
     fi
done

 

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LEARN ABOUT XFREE86

chsh

CHSH(1)                                                            User Commands                                                           CHSH(1)

NAME

       chsh - change login shell

SYNOPSIS

       chsh [options] [LOGIN]

DESCRIPTION

       The chsh command changes the user login shell. This determines the name of the user's initial login command. A normal user may only change
       the login shell for her own account; the superuser may change the login shell for any account.

OPTIONS

       The options which apply to the chsh command are:

       -h, --help
           Display help message and exit.

       -R, --root CHROOT_DIR
           Apply changes in the CHROOT_DIR directory and use the configuration files from the CHROOT_DIR directory.

       -s, --shell SHELL
           The name of the user's new login shell. Setting this field to blank causes the system to select the default login shell.

       If the -s option is not selected, chsh operates in an interactive fashion, prompting the user with the current login shell. Enter the new
       value to change the shell, or leave the line blank to use the current one. The current shell is displayed between a pair of [ ] marks.

NOTE

       The only restriction placed on the login shell is that the command name must be listed in /etc/shells, unless the invoker is the superuser,
       and then any value may be added. An account with a restricted login shell may not change her login shell. For this reason, placing /bin/rsh
       in /etc/shells is discouraged since accidentally changing to a restricted shell would prevent the user from ever changing her login shell
       back to its original value.

FILES

       /etc/passwd
           User account information.

       /etc/shells
           List of valid login shells.

       /etc/login.defs
           Shadow password suite configuration.

SEE ALSO

       chfn(1), login.defs(5), passwd(5).

shadow-utils 4.5                                                    01/25/2018                                                             CHSH(1)
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