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Add TTLs to RESOLVED, CONNECTED, and END_REASON_EXITPOLICY cells. Also, add a missing ntohl in connection_ap_handshake_socks_resolved.

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svn:r4894
This commit is contained in:
Nick Mathewson 2005-09-02 18:53:31 +00:00
parent 6d15fc785d
commit 16c350d925
1 changed files with 13 additions and 3 deletions
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16
tor-spec.txt
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@ -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