tor_proto::stream::incoming

Struct IncomingCmdChecker

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pub(crate) struct IncomingCmdChecker {
    allow_commands: BitArray<[usize; 4], Lsb0>,
}
Available on crate feature hs-service only.
Expand description

A CmdChecker that enforces correctness for incoming commands on unrecognized streams that have a non-zero stream ID.

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§allow_commands: BitArray<[usize; 4], Lsb0>

The “begin” commands that can be received on this type of circuit:

  • onion service circuits only accept BEGIN
  • all relay circuits accept BEGIN_DIR
  • exit relays additionally accept BEGIN or RESOLVE on relay circuits
  • once CONNECT_UDP is implemented, relays and later onion services may accept CONNECT_UDP as well

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impl IncomingCmdChecker

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pub(crate) fn new_any( allow_commands: &[RelayCmd], ) -> Box<dyn CmdChecker + Send + 'static>

Create a new boxed IncomingCmdChecker.

Trait Implementations§

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impl CmdChecker for IncomingCmdChecker

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fn check_msg(&mut self, msg: &UnparsedRelayMsg) -> Result<StreamStatus>

Look at a message msg and decide whether it can be handled on this stream. Read more
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fn consume_checked_msg(&mut self, msg: UnparsedRelayMsg) -> Result<()>

Consume msg and make sure it can be parsed correctly. Read more
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impl Debug for IncomingCmdChecker

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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