172 lines
2.8 KiB
Bash
Executable File
172 lines
2.8 KiB
Bash
Executable File
#"/usr/bin/env bash
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script_name="$(basename $(realpath $0))"
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working_dir="$(dirname $(realpath $0))"
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conf_file="${working_dir}/conf/${script_name%%.*}.conf"
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LOCK_DIR="/tmp/$(basename $0).$$.LOCK"
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log_file="${LOCK_DIR}/${script_name%%.*}.log"
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# ----------
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# Base Function(s)
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# ----------
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usage() {
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[[ -n "$1" ]] && error "$1"
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[[ $terminal ]] && echo -e "
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\033[1mUsage:\033[m
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$(basename $0) <string>
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\033[1mDescription\033[m
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Script generates MD5 hash from given String.
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\033[1mOptions\033[m
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No further Options needed. The clear password is given at the commandline.
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\033[1mFiles\033[m
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No configuration files needed
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\033[1mExample:\033[m
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Create a saltet SHA512 password hash
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$(basename $0) testString
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"
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clean_up 1
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}
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echononl(){
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if $terminal ; then
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echo X\\c > /tmp/shprompt$$
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if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
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echo -e -n " $*\\c" 1>&2
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else
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echo -e -n " $*" 1>&2
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fi
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rm /tmp/shprompt$$
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fi
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}
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clean_up() {
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# Perform program exit housekeeping
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rm -rf "$LOCK_DIR"
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blank_line
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exit $1
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}
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fatal(){
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echo ""
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if $terminal ; then
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echo -e " [ \033[31m\033[1mFatal\033[m ] $*"
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else
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echo -e " [ Fatal ] $*"
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fi
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echo ""
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if $terminal ; then
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echo -e " \033[1mScript terminated\033[m.."
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else
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echo -e " Script terminated.."
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fi
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echo ""
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rm -rf $LOCK_DIR
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exit 1
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}
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echo_ok() {
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if $terminal ; then
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echo -e "\033[75G[ \033[32mok\033[m ]"
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fi
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}
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echo_failed(){
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if $terminal ; then
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echo -e "\033[75G[ \033[1;31mfailed\033[m ]"
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fi
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}
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trim() {
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local var="$*"
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var="${var#"${var%%[![:space:]]*}"}" # remove leading whitespace characters
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var="${var%"${var##*[![:space:]]}"}" # remove trailing whitespace characters
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echo -n "$var"
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}
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blank_line() {
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if $terminal ; then
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echo ""
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fi
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}
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# ----------
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# - Jobhandling
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# ----------
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# - Run 'clean_up' for signals SIGHUP SIGINT SIGTERM
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# -
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trap clean_up SIGHUP SIGINT SIGTERM
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# - Create lock directory '$LOCK_DIR"
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#
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mkdir "$LOCK_DIR"
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# ----------
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# - Some checks ..
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# ----------
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# - Running in a terminal?
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# -
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if [[ -t 1 ]] ; then
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terminal=true
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else
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fatal "Script must run in a terminal."
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fi
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# - Print help?
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# -
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if [[ "$(trim $*)" = "-h" ]] || [[ "$(trim $*)" = "--help" ]] ; then
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usage
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fi
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if [[ $# < 1 ]]
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then
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usage
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fi
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string=$1
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echo ""
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echo ""
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echononl "\033[1mecho -n "$string" | md5sum | cut -d ' ' -f1\033[m"
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md5_hash="$(echo -n "$string" 2> $log_file | md5sum 2> $log_file | cut -d ' ' -f1 2> $log_file)"
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if [[ $? -ne 0 ]] ; then
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echo_failed
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error "$(cat "$log_file")"
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else
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echo_ok
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echo ""
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echo " String: $string"
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echo " md5 hash: $md5_hash"
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echo ""
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fi
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clean_up 0
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