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
GatekeeperResponder(cuttlefish::GatekeeperChannel * channel,gatekeeper::GateKeeper * gatekeeper)21 GatekeeperResponder::GatekeeperResponder(
22 cuttlefish::GatekeeperChannel* channel, gatekeeper::GateKeeper* gatekeeper)
23 : channel_(channel), gatekeeper_(gatekeeper) {
24 }
25
ProcessMessage()26 bool GatekeeperResponder::ProcessMessage() {
27 auto request = channel_->ReceiveMessage();
28 if (!request) {
29 LOG(ERROR) << "Could not receive message";
30 return false;
31 }
32 const uint8_t* buffer = request->payload;
33 const uint8_t* buffer_end = request->payload + request->payload_size;
34 switch(request->cmd) {
35 using namespace gatekeeper;
36 case ENROLL: {
37 EnrollRequest enroll_request;
38 auto rc = enroll_request.Deserialize(buffer, buffer_end);
39 if (rc != ERROR_NONE) {
40 LOG(ERROR) << "Failed to deserialize Enroll Request";
41 return false;
42 }
43 EnrollResponse response;
44 gatekeeper_->Enroll(enroll_request, &response);
45 return channel_->SendResponse(ENROLL, response);
46 }
47 case VERIFY: {
48 VerifyRequest verify_request;
49 auto rc = verify_request.Deserialize(buffer, buffer_end);
50 if (rc != ERROR_NONE) {
51 LOG(ERROR) << "Failed to deserialize Verify Request";
52 return false;
53 }
54 VerifyResponse response;
55 gatekeeper_->Verify(verify_request, &response);
56 return channel_->SendResponse(VERIFY, response);
57 }
58 default:
59 LOG(ERROR) << "Unrecognized message id " << request->cmd;
60 return false;
61 }
62 }
63