1 /* 2 * Copyright (C) 2022 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 17 #include "TrustyStatus.h" 18 #include "../RpcState.h" 19 20 namespace android { 21 statusFromTrusty(int rc)22status_t statusFromTrusty(int rc) { 23 LOG_RPC_DETAIL("Trusty error: %d", rc); 24 switch (rc) { 25 case NO_ERROR: 26 return OK; 27 case ERR_NOT_FOUND: 28 return NAME_NOT_FOUND; 29 case ERR_NOT_READY: 30 // We get this error if we try to perform an IPC operation when the 31 // channel is not ready 32 return INVALID_OPERATION; 33 case ERR_NO_MSG: 34 return WOULD_BLOCK; 35 case ERR_NO_MEMORY: 36 return NO_MEMORY; 37 case ERR_INVALID_ARGS: 38 return BAD_VALUE; 39 case ERR_NOT_ENOUGH_BUFFER: 40 return WOULD_BLOCK; 41 case ERR_TIMED_OUT: 42 return TIMED_OUT; 43 case ERR_ALREADY_EXISTS: 44 return ALREADY_EXISTS; 45 case ERR_CHANNEL_CLOSED: 46 return DEAD_OBJECT; 47 case ERR_NOT_ALLOWED: 48 return INVALID_OPERATION; 49 case ERR_NOT_SUPPORTED: 50 return INVALID_OPERATION; 51 case ERR_TOO_BIG: 52 return BAD_INDEX; 53 case ERR_CMD_UNKNOWN: 54 return UNKNOWN_TRANSACTION; 55 case ERR_BAD_STATE: 56 return INVALID_OPERATION; 57 case ERR_BAD_LEN: 58 return NOT_ENOUGH_DATA; 59 case ERR_BAD_HANDLE: 60 return BAD_VALUE; 61 case ERR_ACCESS_DENIED: 62 return PERMISSION_DENIED; 63 default: 64 return UNKNOWN_ERROR; 65 } 66 } 67 statusToTrusty(status_t status)68int statusToTrusty(status_t status) { 69 switch (status) { 70 case OK: 71 return NO_ERROR; 72 case NO_MEMORY: 73 return ERR_NO_MEMORY; 74 case INVALID_OPERATION: 75 case BAD_VALUE: 76 case BAD_TYPE: 77 return ERR_NOT_VALID; 78 case NAME_NOT_FOUND: 79 return ERR_NOT_FOUND; 80 case PERMISSION_DENIED: 81 return ERR_ACCESS_DENIED; 82 case NO_INIT: 83 return ERR_NOT_CONFIGURED; 84 case ALREADY_EXISTS: 85 return ERR_ALREADY_EXISTS; 86 case DEAD_OBJECT: 87 return ERR_CHANNEL_CLOSED; 88 case BAD_INDEX: 89 return ERR_TOO_BIG; 90 case NOT_ENOUGH_DATA: 91 return ERR_BAD_LEN; 92 case WOULD_BLOCK: 93 return ERR_NO_MSG; 94 case TIMED_OUT: 95 return ERR_TIMED_OUT; 96 case UNKNOWN_TRANSACTION: 97 return ERR_CMD_UNKNOWN; 98 case FDS_NOT_ALLOWED: 99 return ERR_NOT_SUPPORTED; 100 case UNEXPECTED_NULL: 101 return ERR_NOT_VALID; 102 default: 103 return ERR_GENERIC; 104 } 105 } 106 107 } // namespace android 108