93 lines
2.8 KiB
Rust
93 lines
2.8 KiB
Rust
/*
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*
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* Copyright (c) 2020-2022 Project CHIP Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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use num_derive::FromPrimitive;
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use crate::{error::Error, transport::packet::Packet};
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use super::status_report::{create_status_report, GeneralCode};
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/* Interaction Model ID as per the Matter Spec */
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pub const PROTO_ID_SECURE_CHANNEL: u16 = 0x00;
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#[derive(FromPrimitive, Debug)]
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pub enum OpCode {
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MsgCounterSyncReq = 0x00,
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MsgCounterSyncResp = 0x01,
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MRPStandAloneAck = 0x10,
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PBKDFParamRequest = 0x20,
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PBKDFParamResponse = 0x21,
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PASEPake1 = 0x22,
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PASEPake2 = 0x23,
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PASEPake3 = 0x24,
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CASESigma1 = 0x30,
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CASESigma2 = 0x31,
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CASESigma3 = 0x32,
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CASESigma2Resume = 0x33,
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StatusReport = 0x40,
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}
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#[derive(PartialEq)]
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pub enum SCStatusCodes {
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SessionEstablishmentSuccess = 0,
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NoSharedTrustRoots = 1,
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InvalidParameter = 2,
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CloseSession = 3,
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Busy = 4,
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SessionNotFound = 5,
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}
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pub fn create_sc_status_report(
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proto_tx: &mut Packet,
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status_code: SCStatusCodes,
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proto_data: Option<&[u8]>,
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) -> Result<(), Error> {
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let general_code = match status_code {
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SCStatusCodes::SessionEstablishmentSuccess => GeneralCode::Success,
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SCStatusCodes::CloseSession => {
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proto_tx.unset_reliable();
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// No time to manage reliable delivery for close session
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// the session will be closed soon
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GeneralCode::Success
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}
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SCStatusCodes::Busy
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| SCStatusCodes::InvalidParameter
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| SCStatusCodes::NoSharedTrustRoots
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| SCStatusCodes::SessionNotFound => GeneralCode::Failure,
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};
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create_status_report(
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proto_tx,
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general_code,
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PROTO_ID_SECURE_CHANNEL as u32,
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status_code as u16,
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proto_data,
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)
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}
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pub fn create_mrp_standalone_ack(proto_tx: &mut Packet) {
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proto_tx.set_proto_id(PROTO_ID_SECURE_CHANNEL);
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proto_tx.set_proto_opcode(OpCode::MRPStandAloneAck as u8);
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proto_tx.unset_reliable();
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}
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// TODO
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// pub fn send_mrp_standalone_ack(exch: &mut Exchange, sess: &mut SessionHandle) -> Result<(), Error> {
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// info!("Sending standalone ACK");
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// let mut ack_packet = Slab::<PacketPool>::try_new(Packet::new_tx()?).ok_or(Error::NoMemory)?;
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// create_mrp_standalone_ack(&mut ack_packet);
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// exch.send(ack_packet, sess)
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// }
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