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/*
* Copyright 2015-2018 Yubico AB
*
* 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 <yubihsm.h>
#include <stddef.h>
#define ERR(name, desc) \
{ name, desc }
typedef struct {
yh_rc rc;
const char *description;
} err_t;
static const err_t errors[] = {
ERR(YHR_SUCCESS, "Success"),
ERR(YHR_MEMORY_ERROR, "Unable to allocate memory"),
ERR(YHR_INIT_ERROR, "Unable to initialize libyubihsm"),
ERR(YHR_CONNECTION_ERROR, "Connection error"),
ERR(YHR_CONNECTOR_NOT_FOUND, "Unable to find a suitable connector"),
ERR(YHR_INVALID_PARAMETERS, "Invalid argument to a function"),
ERR(YHR_WRONG_LENGTH, "Mismatch between expected and received length"),
ERR(YHR_BUFFER_TOO_SMALL, "Not enough space to store data"),
ERR(YHR_CRYPTOGRAM_MISMATCH, "Unable to verify cryptogram"),
ERR(YHR_SESSION_AUTHENTICATION_FAILED, "Unable to authenticate session"),
ERR(YHR_MAC_MISMATCH, "Unable to verify MAC"),
ERR(YHR_DEVICE_OK, "No error"),
ERR(YHR_DEVICE_INVALID_COMMAND, "Unrecognized command"),
ERR(YHR_DEVICE_INVALID_DATA, "Malformed command / invalid data"),
ERR(YHR_DEVICE_INVALID_SESSION, "Invalid session"),
ERR(YHR_DEVICE_AUTHENTICATION_FAILED,
"Message encryption / verification failed"),
ERR(YHR_DEVICE_SESSIONS_FULL, "All sessions are allocated"),
ERR(YHR_DEVICE_SESSION_FAILED, "Session creation failed"),
ERR(YHR_DEVICE_STORAGE_FAILED, "Storage failure"),
ERR(YHR_DEVICE_WRONG_LENGTH, "Wrong length"),
ERR(YHR_DEVICE_INSUFFICIENT_PERMISSIONS, "Wrong permissions for operation"),
ERR(YHR_DEVICE_LOG_FULL, "Log buffer is full and forced audit is set"),
ERR(YHR_DEVICE_OBJECT_NOT_FOUND, "Object not found"),
ERR(YHR_DEVICE_INVALID_ID, "Invalid ID used"),
ERR(YHR_DEVICE_INVALID_OTP, "Invalid OTP"),
ERR(YHR_DEVICE_DEMO_MODE, "Demo mode, power cycle device"),
ERR(YHR_DEVICE_COMMAND_UNEXECUTED,
"The command execution has not terminated"),
ERR(YHR_GENERIC_ERROR, "Generic error"),
ERR(YHR_DEVICE_OBJECT_EXISTS, "An Object with that ID already exists"),
ERR(YHR_CONNECTOR_ERROR, "Connector operation failed"),
ERR(YHR_DEVICE_SSH_CA_CONSTRAINT_VIOLATION, "SSH CA constraint violation"),
ERR(YHR_DEVICE_ALGORITHM_DISABLED, "Algorithm disabled"),
};
const char *yh_strerror(yh_rc err) {
static const char *unknown = "Unknown yubihsm error";
const char *p;
if (-err < 0 || -err >= (int) (sizeof(errors) / sizeof(errors[0]))) {
return unknown;
}
p = errors[-err].description;
if (!p) {
p = unknown;
}
return p;
}
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