Add script genpw

This commit is contained in:
Jan Philipp Timme 2017-10-05 12:32:35 +02:00
parent 4860940bc1
commit a125194f4b
1 changed files with 33 additions and 0 deletions

33
bin/genpw Executable file
View File

@ -0,0 +1,33 @@
#!/bin/bash
LENGTH=30
CLASS="[:alnum:]"
# Show usage
if [ "$1" == "--help" ]; then
echo "Usage: $0 [length] [class]"
echo "Default length: 30"
echo "Default class: $CLASS (see 'man tr')"
exit 0
fi
# Set length if given
if [ "$1" != "" ] && [ $1 -gt 0 ]; then
LENGTH=$1
fi
shift
# Set class if given
if [ "$1" != "" ]; then
CLASS=$1
fi
echo "Generating from /dev/urandom with length $LENGTH using class $CLASS."
PW=`cat /dev/urandom | tr -dc "$CLASS" | head -c $LENGTH`
echo "Generated password: $PW"
PW="XXXX"
exit 0