[tor-commits] [torspec/master] Bug 19859: Add stream isolation fields to STREAM event

[nickm@xxxxxxxxxxxxxx]

commit f0364ccac62cff3334d9d7bad5340fd785096009
Author: JeremyRand <biolizard89@xxxxxxxxx>
Date:   Fri Sep 20 14:33:36 2019 +0000

    Bug 19859: Add stream isolation fields to STREAM event
---
 control-spec.txt | 56 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 55 insertions(+), 1 deletion(-)

diff --git a/control-spec.txt b/control-spec.txt
index 97bee17..cb6f274 100644
--- a/control-spec.txt
+++ b/control-spec.txt
@@ -2105,7 +2105,13 @@
       "650" SP "STREAM" SP StreamID SP StreamStatus SP CircuitID SP Target
           [SP "REASON=" Reason [ SP "REMOTE_REASON=" Reason ]]
           [SP "SOURCE=" Source] [ SP "SOURCE_ADDR=" Address ":" Port ]
-          [SP "PURPOSE=" Purpose]
+          [SP "PURPOSE=" Purpose] [SP "SOCKS_USERNAME=" EscapedUsername]
+          [SP "SOCKS_PASSWORD=" EscapedPassword]
+          [SP "CLIENT_PROTOCOL=" ClientProtocol] SP "NYM_EPOCH=" NymEpoch
+          SP "SESSION_GROUP=" SessionGroup SP "ISO_DESTPORT=" IsoDestPort
+          SP "ISO_DESTADDR=" IsoDestAddr SP "ISO_SOCKSAUTH=" IsoSocksAuth
+          SP "ISO_CLIENTPROTO=" IsoClientProto
+          SP "ISO_CLIENTADDR=" IsoClientAddr
           CRLF
 
       StreamStatus =
@@ -2123,6 +2129,26 @@
        Port = an integer from 0 to 65535 inclusive
        TargetAddress = Address / "(Tor_internal)"
 
+       EscapedUsername = QuotedString
+       EscapedPassword = QuotedString
+
+       ClientProtocol =
+               "SOCKS4"  /
+               "SOCKS5"  /
+               "TRANS"   /
+               "NATD"    /
+               "DNS"     /
+               "UNKNOWN"
+
+       NymEpoch = a nonnegative integer
+       SessionGroup = an integer
+
+       IsoDestPort = a Boolean
+       IsoDestAddr = a Boolean
+       IsoSocksAuth = a Boolean
+       IsoClientProto = a Boolean
+       IsoClientAddr = a Boolean
+
   The circuit ID designates which circuit this stream is attached to.  If
   the stream is unattached, the circuit ID "0" is given.  The target
   indicates the address which the stream is meant to resolve or connect to;
@@ -2180,6 +2206,34 @@
        "USER" -- This stream is handling user traffic, OR it's internal
          to Tor, but it doesn't match one of the purposes above.
 
+   The "SOCKS_USERNAME" and "SOCKS_PASSWORD" fields indicate the credentials
+   that were used by a SOCKS client to connect to Tor's SOCKS port and
+   initiate this stream. (Streams for SOCKS clients connected with different
+   usernames and/or passwords are isolated on separate circuits if the
+   IsolateSOCKSAuth flag is active; see Proposal 171.)
+
+   The "CLIENT_PROTOCOL" field indicates the protocol that was used by a client
+   to initiate this stream. (Streams for clients connected with different
+   protocols are isolated on separate circuits if the IsolateClientProtocol
+   flag is active.)
+
+   The "NYM_EPOCH" field indicates the nym epoch that was active when a client
+   initiated this stream. The epoch increments when the NEWNYM signal is
+   received. (Streams with different nym epochs are isolated on separate
+   circuits.)
+
+   The "SESSION_GROUP" field indicates the session group of the listener port
+   that a client used to initiate this stream. By default, the session group is
+   different for each listener port, but this can be overridden for a listener
+   via the "SessionGroup" option in torrc. (Streams with different session
+   groups are isolated on separate circuits.)
+
+   The "ISO_DESTPORT", "ISO_DESTADDR", "ISO_SOCKSAUTH", "ISO_CLIENTPROTO", and
+   "ISO_CLIENTADDR" fields indicate the values of the "IsolateDestPort",
+   "IsolateDestAddr", "IsolateSOCKSAuth", "IsolateClientProtocol", and
+   "IsolateClientAddr" flags for the listener port that a client used to
+   initiate this stream.
+
 4.1.3. OR Connection status changed
 
   The syntax is:



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