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| author | Nick Mathewson <nickm@torproject.org> | 2005-09-02 18:53:31 +0000 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2005-09-02 18:53:31 +0000 |
| commit | a6a45b771381e1fb091ce0f8767f262f2a09f8e2 (patch) | |
| tree | 34ee340c03706e48b782ed8a50d57d95a0c69530 /doc | |
| parent | 93179f4e7e68332e7316e40edcb14b584b8c712c (diff) | |
| download | tor-a6a45b771381e1fb091ce0f8767f262f2a09f8e2.tar.gz tor-a6a45b771381e1fb091ce0f8767f262f2a09f8e2.zip | |
Add TTLs to RESOLVED, CONNECTED, and END_REASON_EXITPOLICY cells. Also, add a missing ntohl in connection_ap_handshake_socks_resolved.
svn:r4894
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/tor-spec.txt | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/doc/tor-spec.txt b/doc/tor-spec.txt index 502384b456..5b035dbd3f 100644 --- a/doc/tor-spec.txt +++ b/doc/tor-spec.txt @@ -469,8 +469,16 @@ TODO: (very soon) address cannot be resolved, or a connection can't be established, the exit node replies with a RELAY_END cell. (See 5.4 below.) Otherwise, the exit node replies with a RELAY_CONNECTED cell, whose - payload is the 4-byte IPv4 address or the 16-byte IPv6 address to which - the connection was made. + payload is in one of the following formats: + The IPv4 address to which the connection was made [4 octets] + A number of seconds (TTL) for which the address may be cached [4 octets] + or + Four zero-valued octets [4 octets] + An address type (6) [1 octet] + The IPv6 address to which the connection was made [16 octets] + A number of seconds (TTL) for which the address may be cached [4 octets] + [XXXX Versions of Tor before 0.1.1.6 ignore and do not generate the TTL + field. No version of Tor currently generates the IPv6 format.] The OP waits for a RELAY_CONNECTED cell before sending any data. Once a connection has been established, the OP and exit node @@ -511,7 +519,8 @@ TODO: (very soon) Tor protocol violations.) (With REASON_EXITPOLICY, the 4-byte IPv4 address or 16-byte IPv6 address - forms the optional data; no other reason currently has extra data.) + forms the optional data; no other reason currently has extra data. + As of 0.1.1.6, the body also contains a 4-byte TTL.) OPs and ORs MUST accept reasons not on the above list, since future versions of Tor may provide more fine-grained reasons. @@ -558,6 +567,7 @@ TODO: (very soon) Type (1 octet) Length (1 octet) Value (variable-width) + TTL (4 octets) "Length" is the length of the Value field. "Type" is one of: 0x00 -- Hostname |