[tor-commits] [torspec/master] Specify how to pass configuration parameters to server transports.

nickm at torproject.org nickm at torproject.org
Sat Sep 7 17:45:02 UTC 2013

commit 178c4cc058c5ce5c0bc07ee0fb76f0ea6ea03d14
Author: George Kadianakis <desnacked at riseup.net>
Date:   Wed Jun 12 12:59:35 2013 +0300

    Specify how to pass configuration parameters to server transports.
    Also, add an example of the SOCKS parameters.
 pt-spec.txt |   26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/pt-spec.txt b/pt-spec.txt
index b61e7c2..4cefcfe 100644
--- a/pt-spec.txt
+++ b/pt-spec.txt
@@ -37,6 +37,8 @@ Specifications: Client behavior
   password fields of the request, splitting them across the fields
   as necessary.  If a key or value value must contain a semicolon or
   a backslash, it is escaped with a backslash.
+  Example of SOCKS parameters encoding:
+    shared-secret=rahasia;secrets-file=/tmp/blob
   Method names MUST be C identifiers. That is, method names must begin
   with a letter or underscore and the rest of the characters can be
@@ -151,6 +153,16 @@ Server behavior
   trasport before, it will instruct the managed proxy to bind to the
   same TCP port that the transport used last time.
+  Further configuration parameters (like the k=v values passed to
+  client-transports using the Bridge line) can be passed to
+  server-transports using the ServerTransportOptions option.
+  The format of the ServerTransportOptions line is:
+     ServerTransportOptions <method> <k=v> ...
+  For example, a valid instance of this line would be:
+     ServerTransportOptions trebuchet secret=nou cache=/tmp/cache
 Managed proxy interface
    When the Tor client or relay launches a managed proxy, it communicates
@@ -221,6 +233,20 @@ Managed proxy interface
       TOR_PT_AUTH_COOKIE_FILE is optional and might not be present in
       the environment of the proxy.
+      "TOR_PT_SERVER_TRANSPORT_OPTIONS" -- A comma seperated list
+       of <key>:<value> pairs, where <key> is a transport name and
+       <value> is a k=v string value with options that are to be
+       passed to the transport. Colons, semicolons, equal signs and
+       backslashes must be escaped with a backslash.
+       The TOR_PT_SERVER_TRANSPORT_OPTIONS is optional and might not
+       be present in the environment of the proxy if no options need
+       to be passed to transports.
+       Example:
+         TOR_PT_SERVER_TRANSPORT_OPTIONS=trebuchet:secret=nou;trebuchet:cache=/tmp/cache;ballista:secret=yes
+       will pass to 'trebuchet' the arguments "secret=nou" and
+       "cache=/tmp/cache" and will pass to 'ballista' the argument
+       "secret=yes".
   The transport proxy replies by writing NL-terminated lines to
   stdout.  The line metaformat is

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