129 lines
3.3 KiB
Bash
Executable File
129 lines
3.3 KiB
Bash
Executable File
#!/bin/bash
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CONFDIR="$HOME/.config/ssh-tunnelier"
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CONF="$CONFDIR/config"
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MAGIC_TIME=873749328
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function _helpexit() {
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echo "SSH tunnel manager
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Runs and monitors preconfigured background ssh tunnels, with the ability
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to kill existing ssh processes. You don't need to keep the program on
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to remember connected sessions.
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Configuration stored in: $CONF
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"
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exit 0
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}
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for (( i=1; i<=$#; i++ )); do
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[[ ${!i} = "-h" ]] && _helpexit
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[[ ${!i} = "--help" ]] && _helpexit
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done
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[[ -f "$CONF" ]] || {
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echo No config file.
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echo "$CONF" each line like:
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echo -L 8888:localhost:8888 servername
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mkdir -p "$CONFDIR"
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echo -e "# example:\n -L 8888:localhost:8888 servername" > "$CONF"
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}
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number_re='^[0-9]+$'
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colZ="\033[0m"
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colTitle="\033[0;1;32m"
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colRow="\033[0;1m"
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colMenu="\033[0;33m"
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colWarn="\033[0;1;31m"
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function fpgrep() {
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pgrep -x -u $UID "$@" | xargs --no-run-if-empty ps -o pid,bsdtime,args;
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test ${PIPESTATUS[0]} -ne 0 && echo '----'
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}
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function get_id() {
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id=$( printf "%s" "$line" | base64 -w 0 )
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echo -n $id
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}
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function get_command() {
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switches=$( echo "$1" | base64 -d )
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echo -n "ssh -f -n $switches \"sleep $MAGIC_TIME; echo tunneler $1\""
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}
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function get_pid() {
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pgrep -f "$MAGIC_TIME.*echo tunneler $1" | head -n 1
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}
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function list_all_ssh() {
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printf "\n${colTitle}=============================================\n"
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printf "${colTitle} List of SSH:${colZ}\n"
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printf "${colTitle}Enter PID to kill, empty to return $colZ\n"
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printf "${colTitle}Outgoing SSH processes\n"
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printf "${colTitle}=============================================\n${colRow}"
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fpgrep ssh
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printf "${colTitle}Incoming SSH processes\n"
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printf "${colTitle}=============================================\n${colRow}"
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fpgrep sshd
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read -t 600 inputpid
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[[ "$inputpid" =~ $number_re ]] && {
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kill $inputpid
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}
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}
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function read_config() {
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while read line; do
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id=$( get_id "$line" )
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pid=$( get_pid "$id" )
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printf "%-3d %-7s %s\n" $i "$pid" "$line"
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ids+=( $id )
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i=$(( i + 1 ))
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done < <( grep -v ^# "$CONF" | grep '[a-zA-Z]' )
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}
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function run_command() {
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eval $( get_command "$1" )
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}
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while true; do
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ids=()
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i=1
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printf "\n${colTitle}=============================================\n"
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printf "${colTitle} List of tunnels:${colZ}\n"
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printf "${colTitle} (q)uit (e)dit (l)ist ssh [%s]${colZ}\n" $( date +%H:%M )
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printf "${colTitle}=============================================\n"
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printf "${colRow}ID PID command\n"
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read_config
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printf "$colZ"
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read -t 600 input
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[[ "$input" = "q" ]] && exit 0
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[[ "$input" = "e" ]] && vim "$CONF"
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[[ "$input" = "l" ]] && list_all_ssh
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[[ "$input" = "0" ]] && continue
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[[ "$input" =~ $number_re ]] && {
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j=$(( $input - 1 ))
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[[ $j -gt $(( $i - 1 )) ]] && {
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printf "${colWarn}No such tunnel number${colZ}\n"
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continue
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}
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printf "\n${colTitle}Tunnel command: %s${colZ}\n" "$( echo "${ids[$j]}" | base64 -d )"
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this_pid="$( get_pid "${ids[$j]}" )"
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[[ -n "$this_pid" ]] && {
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# PID exists, ask to kill
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printf "\n ${colRow}k kill?${colZ}\n"
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read -t 600 input2
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[[ "$input2" = "k" ]] && kill $( get_pid "${ids[$j]}" )
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}
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[[ -z "$this_pid" ]] && {
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# PID empty, run
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run_command "${ids[$j]}"
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sleep 1
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}
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}
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done
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