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/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "TrustyStatus.h"
#include "../RpcState.h"
namespace android {
status_t statusFromTrusty(int rc) {
LOG_RPC_DETAIL("Trusty error: %d", rc);
switch (rc) {
case NO_ERROR:
return OK;
case ERR_NOT_FOUND:
return NAME_NOT_FOUND;
case ERR_NOT_READY:
// We get this error if we try to perform an IPC operation when the
// channel is not ready
return INVALID_OPERATION;
case ERR_NO_MSG:
return WOULD_BLOCK;
case ERR_NO_MEMORY:
return NO_MEMORY;
case ERR_INVALID_ARGS:
return BAD_VALUE;
case ERR_NOT_ENOUGH_BUFFER:
return WOULD_BLOCK;
case ERR_TIMED_OUT:
return TIMED_OUT;
case ERR_ALREADY_EXISTS:
return ALREADY_EXISTS;
case ERR_CHANNEL_CLOSED:
return DEAD_OBJECT;
case ERR_NOT_ALLOWED:
return INVALID_OPERATION;
case ERR_NOT_SUPPORTED:
return INVALID_OPERATION;
case ERR_TOO_BIG:
return BAD_INDEX;
case ERR_CMD_UNKNOWN:
return UNKNOWN_TRANSACTION;
case ERR_BAD_STATE:
return INVALID_OPERATION;
case ERR_BAD_LEN:
return NOT_ENOUGH_DATA;
case ERR_BAD_HANDLE:
return BAD_VALUE;
case ERR_ACCESS_DENIED:
return PERMISSION_DENIED;
default:
return UNKNOWN_ERROR;
}
}
int statusToTrusty(status_t status) {
switch (status) {
case OK:
return NO_ERROR;
case NO_MEMORY:
return ERR_NO_MEMORY;
case INVALID_OPERATION:
case BAD_VALUE:
case BAD_TYPE:
return ERR_NOT_VALID;
case NAME_NOT_FOUND:
return ERR_NOT_FOUND;
case PERMISSION_DENIED:
return ERR_ACCESS_DENIED;
case NO_INIT:
return ERR_NOT_CONFIGURED;
case ALREADY_EXISTS:
return ERR_ALREADY_EXISTS;
case DEAD_OBJECT:
return ERR_CHANNEL_CLOSED;
case BAD_INDEX:
return ERR_TOO_BIG;
case NOT_ENOUGH_DATA:
return ERR_BAD_LEN;
case WOULD_BLOCK:
return ERR_NO_MSG;
case TIMED_OUT:
return ERR_TIMED_OUT;
case UNKNOWN_TRANSACTION:
return ERR_CMD_UNKNOWN;
case FDS_NOT_ALLOWED:
return ERR_NOT_SUPPORTED;
case UNEXPECTED_NULL:
return ERR_NOT_VALID;
default:
return ERR_GENERIC;
}
}
} // namespace android
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