Merge branch 'master' of feistymeow.org:feisty_meow

[feisty_meow.git] / scripts / tty / lockem.sh

diff --git a/scripts/tty/lockem.sh b/scripts/tty/lockem.sh
new file mode 100644 (file)
index 0000000..fb781b1
--- /dev/null
+++ b/scripts/tty/lockem.sh
@@ -0,0 +1,56 @@
+#!/bin/bash
+
+# Can be used to lock up a terminal screen until the user enters the correct
+# password.  Pretty sturdy.  Store your password in the file "PASSWORD_FILE",
+# configured below.
+#
+# Thanks to Kevin Wika for this shell.
+
+source "$FEISTY_MEOW_SCRIPTS/core/launch_feisty_meow.sh"
+
+trap '' HUP
+trap '' INT
+trap '' QUIT
+trap '' STOP
+trap '' EXIT
+trap '' TSTP
+
+PASSWORD_FILE=$TMP/lockem.password
+LOG_FILE=$TMP/session-lockem.log
+
+if [ ! -f "$PASSWORD_FILE" ]; then
+  sep
+  echo "no password file is configured.  please put your unlock password in:"
+  echo "$PASSWORD_FILE"
+  sep
+  exit 1
+fi
+
+chmod 700 "$PASSWORD_FILE"
+
+read password <"$PASSWORD_FILE"
+
+echo "$(date_stringer): +++ terminal locked" >>"$LOG_FILE"
+
+attempt=""
+
+stty -echo
+while [[ $attempt != $password ]]; do
+  if [ ! -z "$attempt" ]; then
+    echo "$(date_stringer): login attempt with wrong password at $(date)" >>$LOG_FILE
+  fi
+  clear
+  nechung
+  echo -ne "\npassword: "
+  read attempt
+done
+stty echo
+
+echo "$(date_stringer): successful login" >>$LOG_FILE
+echo "$(date_stringer): --- terminal unlocked" >>$LOG_FILE
+
+clear
+echo "hi $USER, your password has been accepted.  enjoy your computer."
+echo
+
+