Tor Client Setup

git clone https://github.com/torproject/tor.git
sudo apt-get libevent-dev libssl-dev zlib1g zlib1g-dev
./autogen.sh
./configure
make
make install
cp /usr/local/etc/tor/torrc.sample /usr/local/etc/tor/torrc
tor

from stem import CircStatus
from stem.control import Controller
import stem.control
import requests

def build_custom_circuit(controller, relay_fingerprints):
	'''
	relay_fingerprints: list of relay fingerprints
	controller: stem.control.Controller object which is used to control tor
	This function helps to build a custom tor circuit using the given relay_fingerprints and then subsequently returns the circuit_id of the newly created circuit to identify the circuit.
	'''
    circuit_id = controller.new_circuit(path=relay_fingerprints, await_build=True)
    return circuit_id

def get(url="http://ifconfig.io/ip",port=9000):
	'''
	used to fetch the data from the given url using the tor circuit
	'''
	res = requests.get(url, proxies={'http': f'socks4://127.0.0.1:{port}'})
	print(res.text)

def attach_stream(stream):
	'''
	making the stream (i.e. the tcp connections that we will generate) to attach to the custom circuit
	'''
	if stream.status == 'NEW':
		controller.attach_stream(stream.id, circuit_id)
	
def get_url(controller, circuit_id, url, socksPort):
	# add_event_listener is used to attach the stream to the custom circuit, thereby whenever any action happens such as new tcp connection, it will be attached to the custom circuit by calling the attach_stream function
	controller.add_event_listener(attach_stream, stem.control.EventType.STREAM)
	#ensures that the streams are not attached to any circuit by default and we can attach them to the custom circuit
	controller.set_conf('__LeaveStreamsUnattached', '1') 
	# get the url using the custom circuit
	get(url, socksPort)
	# remove the event listener and reset the configuration
	controller.remove_event_listener(attach_stream)
	controller.reset_conf('__LeaveStreamsUnattached')
	

if __name__ == "__main__":
	with Controller.from_port(port=9051) as controller:
		controller.authenticate()

		# First we create the custom circuit by getting the circuit size and the fingerprints of the relays
		# Specify the fingerprints of the desired relays
		relay_fingerprints = [] # ["FINGERPRINT1", "FINGERPRINT2", "FINGERPRINT3"]
		numRelays = int(input("enter number of relays: "))
		for i in range(numRelays):
			relay_fingerprints.append(input("enter fingerprint: "))

		# Build the custom circuit
		circuit_id = build_custom_circuit(controller, relay_fingerprints)

		# Print the details of the custom circuit
		print(f"Custom Circuit ID: {circuit_id}")
		for circ in controller.get_circuits():
			if circ.id == circuit_id:
				print("Custom Circuit Path:")
				for i, entry in enumerate(circ.path):
					div = '+' if (i == len(circ.path) - 1) else '|'
					fingerprint, nickname = entry
					desc = controller.get_network_status(fingerprint, None)
					address = desc.address if desc else 'unknown'
					print(f" {div}- {fingerprint} ({nickname}, {address})")

		url = "http://ifconfig.io/ip"
		socksPort = 9000
		# Get the URL using the custom circuit
		get_url(controller, circuit_id, url, socksPort)
		controller.close()

from stem import CircStatus
from stem.control import Controller

with Controller.from_port(port = 9051) as controller:
  controller.authenticate()
  # in order to get details of all nodes in network we can use get_network_statuses()
  a = controller.get_network_statuses()
  for i in a:
      print(i)

  # in order to get details of all circuits we can use get_circuits()
  for circ in sorted(controller.get_circuits()):
    if circ.status != CircStatus.BUILT:
      continue

    print("")
    print("Circuit %s (%s)" % (circ.id, circ.purpose))
	# printing each relay in the circuit
    for i, entry in enumerate(circ.path):
      div = '+' if (i == len(circ.path) - 1) else '|'
      fingerprint, nickname = entry

      desc = controller.get_network_status(fingerprint, None)
      address = desc.address if desc else 'unknown'

      print(" %s- %s (%s, %s)" % (div, fingerprint, nickname, address))

naman@naman1:~/torScripts$ curl -x socks4://127.0.0.1:9000 ifconfig.io
    192.42.116.187

naman@naman1:~/torScripts$ python3 circuit.py
enter number of relays: 2
enter fingerprint: CDDA76B80B8C15CE3E12AC3B18B691E54427BCED
enter fingerprint: EE230A2B08246D434457DE3D44D2BDA735E4D2F2
Custom Circuit ID: 11
Custom Circuit Path:
 |- CDDA76B80B8C15CE3E12AC3B18B691E54427BCED (Unnamed, 82.165.182.199)
 +- EE230A2B08246D434457DE3D44D2BDA735E4D2F2 (NTH36R8, 192.42.116.188)
    192.42.116.188