ssh-tunnelier inserted

web/ssh-tunnelier

@@ -0,0 +1,116 @@
+#!/bin/bash
+
+CONFDIR="$HOME/.config/ssh-tunnelier"
+CONF="$CONFDIR/config"
+MAGIC_TIME=873749328
+
+function _helpexit() {
+  echo "SSH tunnel manager
+Runs and monitors preconfigured background ssh tunnels, with the ability
+to kill existing ssh processes. You don't need to keep the program on
+to remember connected sessions.
+
+Configuration stored in: $CONF
+"
+  exit 0
+}
+
+for (( i=1; i<=$#; i++ )); do 
+  [[ ${!i} = "-h" ]] && _helpexit
+  [[ ${!i} = "--help" ]] && _helpexit
+done
+
+
+[[ -f "$CONF" ]]  || {
+  echo No config file.
+  echo "$CONF" each line like:
+  echo -L 8888:localhost:8888 servername
+  mkdir -p "$CONFDIR"
+  echo -e "# example:\n -L 8888:localhost:8888 servername" > "$CONF"
+}
+number_re='^[0-9]+$'
+
+colZ="\033[0m"
+colTitle="\033[0;1;32m"
+colRow="\033[0;1m"
+colMenu="\033[0;33m"
+colWarn="\033[0;1;31m"
+
+function get_id() {
+  id=$( printf "%s" "$line" | base64 -w 0 )
+  echo -n $id
+}
+function get_command() {
+  switches=$( echo "$1" | base64 -d )
+  echo -n "ssh -f -n $switches \"sleep $MAGIC_TIME; echo tunneler $1\""
+}
+function get_pid() {
+  pgrep -f "$MAGIC_TIME.*echo tunneler $1" | head -n 1
+}
+function list_all_ssh() {
+  printf "\n${colTitle}=============================================\n"
+  printf "${colTitle}                List of SSH:${colZ}\n"
+  printf "${colTitle}Enter PID to kill, empty to return $colZ\n"
+  printf "${colTitle}=============================================\n"
+  printf "${colRow}PID     command\n"
+  pgrep -a -x ssh
+  read -t 600 inputpid
+
+  [[ "$inputpid" =~ $number_re ]] && {
+    kill $inputpid
+  }
+ 
+}
+function read_config() {
+  while read line; do
+    id=$( get_id "$line" )
+    pid=$( get_pid "$id" )
+    printf "%-3d %-7s %s\n" $i "$pid" "$line"
+    ids+=( $id )
+    i=$(( i + 1 ))
+  done < <( grep -v ^# "$CONF" | grep '[a-zA-Z]' )
+}
+function run_command() {
+  eval $( get_command "$1" )
+}
+
+while true; do
+  ids=()
+  i=1
+  printf "\n${colTitle}=============================================\n"
+  printf "${colTitle}              List of tunnels:${colZ}\n" 
+  printf "${colTitle} (q)uit (e)dit (l)ist ssh             [%s]${colZ}\n" $( date +%H:%M )
+  printf "${colTitle}=============================================\n"
+  printf "${colRow}ID  PID     command\n"
+  read_config
+  printf "$colZ"
+  read -t 600 input
+
+  [[ "$input" = "q" ]] && exit 0
+  [[ "$input" = "e" ]] && vim "$CONF"
+  [[ "$input" = "l" ]] && list_all_ssh
+  [[ "$input" = "0" ]] && continue
+  [[ "$input" =~ $number_re ]] && {
+    j=$(( $input - 1 ))
+    [[ $j -gt $(( $i - 1 )) ]] && { 
+        printf  "${colWarn}No such tunnel number${colZ}\n"
+        continue
+    }
+    
+    printf "\n${colTitle}Tunnel command: %s${colZ}\n" "$( echo  "${ids[$j]}" | base64 -d )" 
+    this_pid="$( get_pid "${ids[$j]}" )"
+    [[ -n "$this_pid" ]] && {
+	  # PID exists, ask to kill
+	  printf "\n  ${colRow}k kill?${colZ}\n"
+      read -t 600 input2
+      [[ "$input2" = "k" ]] && kill $( get_pid "${ids[$j]}" )
+  	}
+	  [[ -z "$this_pid" ]] && {
+	  # PID empty, run
+      run_command "${ids[$j]}"
+      sleep 1
+    }
+  }
+done
+
+