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| author | Nick Mathewson <nickm@torproject.org> | 2023-11-01 10:32:56 -0400 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2023-11-01 20:10:12 -0400 |
| commit | e24ac0e5d13bc83a352ebd72fa8134973b368b0b (patch) | |
| tree | 7f2126ad82527edb79261e3472a642d1c32919b3 | |
| parent | 1aea91632c6785f42fe045b7f3455d5924749337 (diff) | |
| download | torspec-e24ac0e5d13bc83a352ebd72fa8134973b368b0b.tar.gz torspec-e24ac0e5d13bc83a352ebd72fa8134973b368b0b.zip | |
Correct description of how BEGIN.FLAGS is sent.
[As noted by dgoulet], C tor's behavior is to omit the FLAGS field
entirely if its value is zero.
[As noted by dgoulet]: https://gitlab.torproject.org/tpo/core/torspec/-/merge_requests/179#note_2959251
| -rw-r--r-- | spec/tor-spec/opening-streams.md | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/spec/tor-spec/opening-streams.md b/spec/tor-spec/opening-streams.md index 5c264cb..a8eebd2 100644 --- a/spec/tor-spec/opening-streams.md +++ b/spec/tor-spec/opening-streams.md @@ -10,7 +10,7 @@ and port of the destination host. The payload format is: ```text ADDRPORT [nul-terminated string] - FLAGS [4 bytes] + FLAGS [4 bytes, optional] ADDRPORT is made of ADDRESS | ':' | PORT | [00] ``` @@ -28,6 +28,9 @@ The FLAGS value has one or more of the following bits set, where the MSB of a 4-byte value is the MSB of the first byte, and the LSB of a 4-byte value is the LSB of its last byte.) +If FLAGS is absent, its value is 0. Whenever 0 would be sent for +FLAGS, FLAGS is omitted from the message payload. + ```text bit meaning 1 -- IPv6 okay. We support learning about IPv6 addresses and |