Tor Streams To Circuits Mapping

streams2circuits.sh

#!/bin/bash

declare -A circuits
declare -A streams

# CircuitID SP CircStatus [SP Path]
# We capture CircuitID and Path
while read l; do
  id=$(echo $l|grep -Po '^\d+')
  circ=$(echo $l \
    | grep -Po '[^ ]*$' \
    | sed 's/,/ /g' \
    | tr -d "\r")
    #echo $id ++ ${circ[@]}
    circuits[$id]=$circ
done <<< $( {
nc 127.0.0.1 9051 <<EOF
authenticate ""
getinfo circuit-status
quit
EOF
} | grep -Po '^\d+ BUILT [^ ]*' )

# StreamID SP StreamStatus SP CircuitID SP Target CRLF
# We capture CircuitID and Target
while read l; do
  id=$(echo $l \
    | grep -Po '^\d+ SUCCEEDED \d+' \
    |grep -Po '\d+$')
  url=$(echo $l \
    |grep -Po '[^ ]*$' \
    |tr -d "\r")
  streams[$id]=$url
done <<< $( {
nc 127.0.0.1 9051 <<EOF
authenticate ""
getinfo stream-status
quit
EOF
} | grep -Po '^\d+ SUCCEEDED \d+ [^ ]*' )

# We show Target --> Path
for key in "${!streams[@]}"; do
  echo "${streams[$key]} --> ${circuits[$key]}"
done