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tomrittervg/opportunistic socks

Forked from asn-d6/opportunistic socks
Last active October 11, 2019 06:26
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opportunistic socks
Normal situation
blabla.onion Tor Tor Browser
<user asks for blabla.onion>
<--- SOCKS CONNECT to blabla.onion ---
<Tor fetches descriptor>
<Tor does introduction>
<Tor does rendezvous>
<---- RELAY_BEGIN ----
----- CONNECTED ------>
----- SOCKS REPLY to blabla.onion ----->
<---- HTTP GET -------------------------
<---- DATA -----------
----- DATA ---------->
----- HTTP RESPONSE --------------------->
Optimized situation
blabla.onion Tor Tor Browser
<user asks for blabla.onion>
<--- SOCKS CONNECT to blabla.onion ---
<Tor fetches descriptor>
<Tor does introduction>
----- FAKE SUCCESSFUL SOCKS REPLY --->
<---- HTTP GET -----------------------
<Tor does rendezvous>
<---- RELAY_BEGIN ----
<---- DATA -----------
----- CONNECTED ------>
----- DATA ---------->
----- HTTP RESPONSE --------------------->
Alternate Optimized Situation (Race Condition)
blabla.onion Tor Tor Browser
<user asks for blabla.onion>
<--- SOCKS CONNECT to blabla.onion ---
<Tor fetches descriptor>
<Tor does introduction>
----- FAKE SUCCESSFUL SOCKS REPLY --->
<Tor does rendezvous>
<---- RELAY_BEGIN ----
----- CONNECTED ------>
<---- HTTP GET -----------------------
<---- DATA -----------
----- DATA ---------->
----- HTTP RESPONSE --------------------->
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