1 //
2 // Copyright (C) 2020 The Android Open Source Project
3 //
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
7 //
8 // http://www.apache.org/licenses/LICENSE-2.0
9 //
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
15
16 #include "gatekeeper_responder.h"
17
18 #include <android-base/logging.h>
19 #include <gatekeeper/gatekeeper_messages.h>
20
21 namespace cuttlefish {
22
GatekeeperResponder(cuttlefish::GatekeeperChannel & channel,gatekeeper::GateKeeper & gatekeeper)23 GatekeeperResponder::GatekeeperResponder(cuttlefish::GatekeeperChannel& channel,
24 gatekeeper::GateKeeper& gatekeeper)
25 : channel_(channel), gatekeeper_(gatekeeper) {}
26
ProcessMessage()27 bool GatekeeperResponder::ProcessMessage() {
28 auto request = channel_.ReceiveMessage();
29 if (!request) {
30 LOG(ERROR) << "Could not receive message";
31 return false;
32 }
33 const uint8_t* buffer = request->payload;
34 const uint8_t* buffer_end = request->payload + request->payload_size;
35 switch(request->command) {
36 using namespace gatekeeper;
37 case ENROLL: {
38 EnrollRequest enroll_request;
39 auto rc = enroll_request.Deserialize(buffer, buffer_end);
40 if (rc != ERROR_NONE) {
41 LOG(ERROR) << "Failed to deserialize Enroll Request";
42 return false;
43 }
44 EnrollResponse response;
45 gatekeeper_.Enroll(enroll_request, &response);
46 return channel_.SendResponse(ENROLL, response);
47 }
48 case VERIFY: {
49 VerifyRequest verify_request;
50 auto rc = verify_request.Deserialize(buffer, buffer_end);
51 if (rc != ERROR_NONE) {
52 LOG(ERROR) << "Failed to deserialize Verify Request";
53 return false;
54 }
55 VerifyResponse response;
56 gatekeeper_.Verify(verify_request, &response);
57 return channel_.SendResponse(VERIFY, response);
58 }
59 default:
60 LOG(ERROR) << "Unrecognized message id " << request->command;
61 return false;
62 }
63 }
64
65 } // namespace cuttlefish
66