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Viewing: readline-test.sh

#! /bin/bash
# source: readline-test.sh
# Copyright Gerhard Rieger and contributors (see file CHANGES)
# Published under the GNU General Public License V.2, see file COPYING

# script that simulates a simple program with authentication.
# is just for testing the readline features
# perform the test with something like:
# ./socat readline,history=$HOME/.history,noecho='^Password: ' system:./readline-test.sh,pty,setsid,ctty,stderr,sigint,sigquit,echo=0,raw


BANNER='readline feature test program'
USERPROMPT='Authentication required\nUsername: '
PWDPROMPT='Password: '
PROMPT='prog> '

# degenerated user database
CREDUSER="user"
CREDPASS="password"

if   [ $(echo "x\c") = "x" ]; then ECHO="echo"
elif [ $(echo -e "x\c") = "x" ]; then ECHO="echo -e"
fi

#trap "$ECHO $0 got SIGINT"  INT
trap "$ECHO $0 got SIGINT"  INT
trap "$ECHO $0 got SIGQUIT" QUIT

# print banner
$ECHO "$BANNER"

# on (some) ksh read -p does not mean prompt
$ECHO "$USERPROMPT\c"; read -r USERNAME
$ECHO "$PWDPROMPT\c"; read -rs PASSWORD
$ECHO

if [ "$USERNAME" != "$CREDUSER" -o "$PASSWORD" != "$CREDPASS" ]; then
    $ECHO "Authentication failed" >&2
    exit -1
fi

while $ECHO "$PROMPT\c"; read -r COMMAND; do
    if [ "$COMMAND" = "exit" ]; then
	break;
    fi
    $ECHO "executing $COMMAND"
done

User / IP	: 216.73.216.49
Host / Server	: 146.88.233.70 / www.dev.loger.cm
System	: Linux hybrid1120.fr.ns.planethoster.net 3.10.0-957.21.2.el7.x86_64 #1 SMP Wed Jun 5 14:26:44 UTC 2019 x86_64