initial commit, resurrect one of my realy old projects

1 files changed, 57 insertions, 0 deletions

diff --git a/mypass b/mypass
new file mode 100755
index 0000000..e524b2c
--- /dev/null
+++ b/mypass
@@ -0,0 +1,57 @@
+#! /bin/sh
+
+BIN="cryptot"
+CIPHER="-c 2"
+
+usage () {
+	echo "usage : `basename $0` -(e|d) input_file password [output_file]"
+	echo "        -e  : encryption."
+	echo "        -d  : decryption."
+	echo "              if output_file is omited, output is written to stdout."
+}
+
+work () {
+	if [ "$1" == "-e" ];then
+		echo "encrypt         : $2"
+		MODE=""
+	else
+		echo "decrypt         : $2"
+		MODE="-x"
+	fi
+	echo "use password    : $3"
+	if [ $# -eq 4 ]; then
+		echo "write output to : $4"
+	else
+		echo "write output to : stdout"
+	fi
+	echo "hit Enter to proceed.  type Ctrl-C to abort."
+	read -t 5 A
+	if [ $? -ne 0 ]; then echo "=> timeout ... operation aborted." && exit; fi
+	CMD="${BIN} ${MODE} ${CIPHER} $3"	
+	if [ $# -eq 4 ]; then
+		cat $2 | ${CMD} > $4
+	else
+		cat $2 | ${CMD}
+	fi
+	if [ "$1" == "-e" ];then
+		echo "hit Enter to remove $2.  type Ctrl-C to abort."
+		read -t 4 A
+		if [ $? -ne 0 ]; then echo "=> timeout ... nothing done." && exit; fi
+		rm $2 $2~ 2>/dev/null
+	fi
+}
+
+
+if [ $# -lt 3 -o $# -gt 4 ]; then usage && exit; fi
+if [ ! -f $2 ];then
+	echo "$2 isn't a regular file"
+	exit
+fi
+case "$1" in
+	"-e"|"-d")
+	work $@
+	;;
+	*)
+	echo $CHOICE
+	usage;;
+esac