mbedtls ported to mbed-classic
Fork of mbedtls by
Diff: source/error.c
- Revision:
- 1:24750b9ad5ef
diff -r 000000000000 -r 24750b9ad5ef source/error.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/source/error.c Fri Jan 22 16:44:49 2016 -0600 @@ -0,0 +1,698 @@ +/* + * Error message information + * + * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved + * SPDX-License-Identifier: Apache-2.0 + * + * 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. + * + * This file is part of mbed TLS (https://tls.mbed.org) + */ + +#if !defined(MBEDTLS_CONFIG_FILE) +#include "mbedtls/config.h" +#else +#include MBEDTLS_CONFIG_FILE +#endif + +#if defined(MBEDTLS_ERROR_C) || defined(MBEDTLS_ERROR_STRERROR_DUMMY) +#include "mbedtls/error.h" +#include <string.h> +#endif + +#if defined(MBEDTLS_PLATFORM_C) +#include "mbedtls/platform.h" +#else +#define mbedtls_snprintf snprintf +#endif + +#if defined(MBEDTLS_ERROR_C) + +#include <stdio.h> + +#if defined(MBEDTLS_AES_C) +#include "mbedtls/aes.h" +#endif + +#if defined(MBEDTLS_BASE64_C) +#include "mbedtls/base64.h" +#endif + +#if defined(MBEDTLS_BIGNUM_C) +#include "mbedtls/bignum.h" +#endif + +#if defined(MBEDTLS_BLOWFISH_C) +#include "mbedtls/blowfish.h" +#endif + +#if defined(MBEDTLS_CAMELLIA_C) +#include "mbedtls/camellia.h" +#endif + +#if defined(MBEDTLS_CCM_C) +#include "mbedtls/ccm.h" +#endif + +#if defined(MBEDTLS_CIPHER_C) +#include "mbedtls/cipher.h" +#endif + +#if defined(MBEDTLS_CTR_DRBG_C) +#include "mbedtls/ctr_drbg.h" +#endif + +#if defined(MBEDTLS_DES_C) +#include "mbedtls/des.h" +#endif + +#if defined(MBEDTLS_DHM_C) +#include "mbedtls/dhm.h" +#endif + +#if defined(MBEDTLS_ECP_C) +#include "mbedtls/ecp.h" +#endif + +#if defined(MBEDTLS_ENTROPY_C) +#include "mbedtls/entropy.h" +#endif + +#if defined(MBEDTLS_GCM_C) +#include "mbedtls/gcm.h" +#endif + +#if defined(MBEDTLS_HMAC_DRBG_C) +#include "mbedtls/hmac_drbg.h" +#endif + +#if defined(MBEDTLS_MD_C) +#include "mbedtls/md.h" +#endif + +#if defined(MBEDTLS_NET_C) +#include "mbedtls/net.h" +#endif + +#if defined(MBEDTLS_OID_C) +#include "mbedtls/oid.h" +#endif + +#if defined(MBEDTLS_PADLOCK_C) +#include "mbedtls/padlock.h" +#endif + +#if defined(MBEDTLS_PEM_PARSE_C) || defined(MBEDTLS_PEM_WRITE_C) +#include "mbedtls/pem.h" +#endif + +#if defined(MBEDTLS_PK_C) +#include "mbedtls/pk.h" +#endif + +#if defined(MBEDTLS_PKCS12_C) +#include "mbedtls/pkcs12.h" +#endif + +#if defined(MBEDTLS_PKCS5_C) +#include "mbedtls/pkcs5.h" +#endif + +#if defined(MBEDTLS_RSA_C) +#include "mbedtls/rsa.h" +#endif + +#if defined(MBEDTLS_SSL_TLS_C) +#include "mbedtls/ssl.h" +#endif + +#if defined(MBEDTLS_THREADING_C) +#include "mbedtls/threading.h" +#endif + +#if defined(MBEDTLS_X509_USE_C) || defined(MBEDTLS_X509_CREATE_C) +#include "mbedtls/x509.h" +#endif + +#if defined(MBEDTLS_XTEA_C) +#include "mbedtls/xtea.h" +#endif + + +void mbedtls_strerror( int ret, char *buf, size_t buflen ) +{ + size_t len; + int use_ret; + + if( buflen == 0 ) + return; + + memset( buf, 0x00, buflen ); + + if( ret < 0 ) + ret = -ret; + + if( ret & 0xFF80 ) + { + use_ret = ret & 0xFF80; + + // High level error codes + // + // BEGIN generated code +#if defined(MBEDTLS_CIPHER_C) + if( use_ret == -(MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE) ) + mbedtls_snprintf( buf, buflen, "CIPHER - The selected feature is not available" ); + if( use_ret == -(MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA) ) + mbedtls_snprintf( buf, buflen, "CIPHER - Bad input parameters to function" ); + if( use_ret == -(MBEDTLS_ERR_CIPHER_ALLOC_FAILED) ) + mbedtls_snprintf( buf, buflen, "CIPHER - Failed to allocate memory" ); + if( use_ret == -(MBEDTLS_ERR_CIPHER_INVALID_PADDING) ) + mbedtls_snprintf( buf, buflen, "CIPHER - Input data contains invalid padding and is rejected" ); + if( use_ret == -(MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED) ) + mbedtls_snprintf( buf, buflen, "CIPHER - Decryption of block requires a full block" ); + if( use_ret == -(MBEDTLS_ERR_CIPHER_AUTH_FAILED) ) + mbedtls_snprintf( buf, buflen, "CIPHER - Authentication failed (for AEAD modes)" ); +#endif /* MBEDTLS_CIPHER_C */ + +#if defined(MBEDTLS_DHM_C) + if( use_ret == -(MBEDTLS_ERR_DHM_BAD_INPUT_DATA) ) + mbedtls_snprintf( buf, buflen, "DHM - Bad input parameters to function" ); + if( use_ret == -(MBEDTLS_ERR_DHM_READ_PARAMS_FAILED) ) + mbedtls_snprintf( buf, buflen, "DHM - Reading of the DHM parameters failed" ); + if( use_ret == -(MBEDTLS_ERR_DHM_MAKE_PARAMS_FAILED) ) + mbedtls_snprintf( buf, buflen, "DHM - Making of the DHM parameters failed" ); + if( use_ret == -(MBEDTLS_ERR_DHM_READ_PUBLIC_FAILED) ) + mbedtls_snprintf( buf, buflen, "DHM - Reading of the public values failed" ); + if( use_ret == -(MBEDTLS_ERR_DHM_MAKE_PUBLIC_FAILED) ) + mbedtls_snprintf( buf, buflen, "DHM - Making of the public value failed" ); + if( use_ret == -(MBEDTLS_ERR_DHM_CALC_SECRET_FAILED) ) + mbedtls_snprintf( buf, buflen, "DHM - Calculation of the DHM secret failed" ); + if( use_ret == -(MBEDTLS_ERR_DHM_INVALID_FORMAT) ) + mbedtls_snprintf( buf, buflen, "DHM - The ASN.1 data is not formatted correctly" ); + if( use_ret == -(MBEDTLS_ERR_DHM_ALLOC_FAILED) ) + mbedtls_snprintf( buf, buflen, "DHM - Allocation of memory failed" ); + if( use_ret == -(MBEDTLS_ERR_DHM_FILE_IO_ERROR) ) + mbedtls_snprintf( buf, buflen, "DHM - Read/write of file failed" ); +#endif /* MBEDTLS_DHM_C */ + +#if defined(MBEDTLS_ECP_C) + if( use_ret == -(MBEDTLS_ERR_ECP_BAD_INPUT_DATA) ) + mbedtls_snprintf( buf, buflen, "ECP - Bad input parameters to function" ); + if( use_ret == -(MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL) ) + mbedtls_snprintf( buf, buflen, "ECP - The buffer is too small to write to" ); + if( use_ret == -(MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE) ) + mbedtls_snprintf( buf, buflen, "ECP - Requested curve not available" ); + if( use_ret == -(MBEDTLS_ERR_ECP_VERIFY_FAILED) ) + mbedtls_snprintf( buf, buflen, "ECP - The signature is not valid" ); + if( use_ret == -(MBEDTLS_ERR_ECP_ALLOC_FAILED) ) + mbedtls_snprintf( buf, buflen, "ECP - Memory allocation failed" ); + if( use_ret == -(MBEDTLS_ERR_ECP_RANDOM_FAILED) ) + mbedtls_snprintf( buf, buflen, "ECP - Generation of random value, such as (ephemeral) key, failed" ); + if( use_ret == -(MBEDTLS_ERR_ECP_INVALID_KEY) ) + mbedtls_snprintf( buf, buflen, "ECP - Invalid private or public key" ); + if( use_ret == -(MBEDTLS_ERR_ECP_SIG_LEN_MISMATCH) ) + mbedtls_snprintf( buf, buflen, "ECP - Signature is valid but shorter than the user-supplied length" ); +#endif /* MBEDTLS_ECP_C */ + +#if defined(MBEDTLS_MD_C) + if( use_ret == -(MBEDTLS_ERR_MD_FEATURE_UNAVAILABLE) ) + mbedtls_snprintf( buf, buflen, "MD - The selected feature is not available" ); + if( use_ret == -(MBEDTLS_ERR_MD_BAD_INPUT_DATA) ) + mbedtls_snprintf( buf, buflen, "MD - Bad input parameters to function" ); + if( use_ret == -(MBEDTLS_ERR_MD_ALLOC_FAILED) ) + mbedtls_snprintf( buf, buflen, "MD - Failed to allocate memory" ); + if( use_ret == -(MBEDTLS_ERR_MD_FILE_IO_ERROR) ) + mbedtls_snprintf( buf, buflen, "MD - Opening or reading of file failed" ); +#endif /* MBEDTLS_MD_C */ + +#if defined(MBEDTLS_PEM_PARSE_C) || defined(MBEDTLS_PEM_WRITE_C) + if( use_ret == -(MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT) ) + mbedtls_snprintf( buf, buflen, "PEM - No PEM header or footer found" ); + if( use_ret == -(MBEDTLS_ERR_PEM_INVALID_DATA) ) + mbedtls_snprintf( buf, buflen, "PEM - PEM string is not as expected" ); + if( use_ret == -(MBEDTLS_ERR_PEM_ALLOC_FAILED) ) + mbedtls_snprintf( buf, buflen, "PEM - Failed to allocate memory" ); + if( use_ret == -(MBEDTLS_ERR_PEM_INVALID_ENC_IV) ) + mbedtls_snprintf( buf, buflen, "PEM - RSA IV is not in hex-format" ); + if( use_ret == -(MBEDTLS_ERR_PEM_UNKNOWN_ENC_ALG) ) + mbedtls_snprintf( buf, buflen, "PEM - Unsupported key encryption algorithm" ); + if( use_ret == -(MBEDTLS_ERR_PEM_PASSWORD_REQUIRED) ) + mbedtls_snprintf( buf, buflen, "PEM - Private key password can't be empty" ); + if( use_ret == -(MBEDTLS_ERR_PEM_PASSWORD_MISMATCH) ) + mbedtls_snprintf( buf, buflen, "PEM - Given private key password does not allow for correct decryption" ); + if( use_ret == -(MBEDTLS_ERR_PEM_FEATURE_UNAVAILABLE) ) + mbedtls_snprintf( buf, buflen, "PEM - Unavailable feature, e.g. hashing/encryption combination" ); + if( use_ret == -(MBEDTLS_ERR_PEM_BAD_INPUT_DATA) ) + mbedtls_snprintf( buf, buflen, "PEM - Bad input parameters to function" ); +#endif /* MBEDTLS_PEM_PARSE_C || MBEDTLS_PEM_WRITE_C */ + +#if defined(MBEDTLS_PK_C) + if( use_ret == -(MBEDTLS_ERR_PK_ALLOC_FAILED) ) + mbedtls_snprintf( buf, buflen, "PK - Memory allocation failed" ); + if( use_ret == -(MBEDTLS_ERR_PK_TYPE_MISMATCH) ) + mbedtls_snprintf( buf, buflen, "PK - Type mismatch, eg attempt to encrypt with an ECDSA key" ); + if( use_ret == -(MBEDTLS_ERR_PK_BAD_INPUT_DATA) ) + mbedtls_snprintf( buf, buflen, "PK - Bad input parameters to function" ); + if( use_ret == -(MBEDTLS_ERR_PK_FILE_IO_ERROR) ) + mbedtls_snprintf( buf, buflen, "PK - Read/write of file failed" ); + if( use_ret == -(MBEDTLS_ERR_PK_KEY_INVALID_VERSION) ) + mbedtls_snprintf( buf, buflen, "PK - Unsupported key version" ); + if( use_ret == -(MBEDTLS_ERR_PK_KEY_INVALID_FORMAT) ) + mbedtls_snprintf( buf, buflen, "PK - Invalid key tag or value" ); + if( use_ret == -(MBEDTLS_ERR_PK_UNKNOWN_PK_ALG) ) + mbedtls_snprintf( buf, buflen, "PK - Key algorithm is unsupported (only RSA and EC are supported)" ); + if( use_ret == -(MBEDTLS_ERR_PK_PASSWORD_REQUIRED) ) + mbedtls_snprintf( buf, buflen, "PK - Private key password can't be empty" ); + if( use_ret == -(MBEDTLS_ERR_PK_PASSWORD_MISMATCH) ) + mbedtls_snprintf( buf, buflen, "PK - Given private key password does not allow for correct decryption" ); + if( use_ret == -(MBEDTLS_ERR_PK_INVALID_PUBKEY) ) + mbedtls_snprintf( buf, buflen, "PK - The pubkey tag or value is invalid (only RSA and EC are supported)" ); + if( use_ret == -(MBEDTLS_ERR_PK_INVALID_ALG) ) + mbedtls_snprintf( buf, buflen, "PK - The algorithm tag or value is invalid" ); + if( use_ret == -(MBEDTLS_ERR_PK_UNKNOWN_NAMED_CURVE) ) + mbedtls_snprintf( buf, buflen, "PK - Elliptic curve is unsupported (only NIST curves are supported)" ); + if( use_ret == -(MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE) ) + mbedtls_snprintf( buf, buflen, "PK - Unavailable feature, e.g. RSA disabled for RSA key" ); + if( use_ret == -(MBEDTLS_ERR_PK_SIG_LEN_MISMATCH) ) + mbedtls_snprintf( buf, buflen, "PK - The signature is valid but its length is less than expected" ); +#endif /* MBEDTLS_PK_C */ + +#if defined(MBEDTLS_PKCS12_C) + if( use_ret == -(MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA) ) + mbedtls_snprintf( buf, buflen, "PKCS12 - Bad input parameters to function" ); + if( use_ret == -(MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE) ) + mbedtls_snprintf( buf, buflen, "PKCS12 - Feature not available, e.g. unsupported encryption scheme" ); + if( use_ret == -(MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT) ) + mbedtls_snprintf( buf, buflen, "PKCS12 - PBE ASN.1 data not as expected" ); + if( use_ret == -(MBEDTLS_ERR_PKCS12_PASSWORD_MISMATCH) ) + mbedtls_snprintf( buf, buflen, "PKCS12 - Given private key password does not allow for correct decryption" ); +#endif /* MBEDTLS_PKCS12_C */ + +#if defined(MBEDTLS_PKCS5_C) + if( use_ret == -(MBEDTLS_ERR_PKCS5_BAD_INPUT_DATA) ) + mbedtls_snprintf( buf, buflen, "PKCS5 - Bad input parameters to function" ); + if( use_ret == -(MBEDTLS_ERR_PKCS5_INVALID_FORMAT) ) + mbedtls_snprintf( buf, buflen, "PKCS5 - Unexpected ASN.1 data" ); + if( use_ret == -(MBEDTLS_ERR_PKCS5_FEATURE_UNAVAILABLE) ) + mbedtls_snprintf( buf, buflen, "PKCS5 - Requested encryption or digest alg not available" ); + if( use_ret == -(MBEDTLS_ERR_PKCS5_PASSWORD_MISMATCH) ) + mbedtls_snprintf( buf, buflen, "PKCS5 - Given private key password does not allow for correct decryption" ); +#endif /* MBEDTLS_PKCS5_C */ + +#if defined(MBEDTLS_RSA_C) + if( use_ret == -(MBEDTLS_ERR_RSA_BAD_INPUT_DATA) ) + mbedtls_snprintf( buf, buflen, "RSA - Bad input parameters to function" ); + if( use_ret == -(MBEDTLS_ERR_RSA_INVALID_PADDING) ) + mbedtls_snprintf( buf, buflen, "RSA - Input data contains invalid padding and is rejected" ); + if( use_ret == -(MBEDTLS_ERR_RSA_KEY_GEN_FAILED) ) + mbedtls_snprintf( buf, buflen, "RSA - Something failed during generation of a key" ); + if( use_ret == -(MBEDTLS_ERR_RSA_KEY_CHECK_FAILED) ) + mbedtls_snprintf( buf, buflen, "RSA - Key failed to pass the library's validity check" ); + if( use_ret == -(MBEDTLS_ERR_RSA_PUBLIC_FAILED) ) + mbedtls_snprintf( buf, buflen, "RSA - The public key operation failed" ); + if( use_ret == -(MBEDTLS_ERR_RSA_PRIVATE_FAILED) ) + mbedtls_snprintf( buf, buflen, "RSA - The private key operation failed" ); + if( use_ret == -(MBEDTLS_ERR_RSA_VERIFY_FAILED) ) + mbedtls_snprintf( buf, buflen, "RSA - The PKCS#1 verification failed" ); + if( use_ret == -(MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE) ) + mbedtls_snprintf( buf, buflen, "RSA - The output buffer for decryption is not large enough" ); + if( use_ret == -(MBEDTLS_ERR_RSA_RNG_FAILED) ) + mbedtls_snprintf( buf, buflen, "RSA - The random generator failed to generate non-zeros" ); +#endif /* MBEDTLS_RSA_C */ + +#if defined(MBEDTLS_SSL_TLS_C) + if( use_ret == -(MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE) ) + mbedtls_snprintf( buf, buflen, "SSL - The requested feature is not available" ); + if( use_ret == -(MBEDTLS_ERR_SSL_BAD_INPUT_DATA) ) + mbedtls_snprintf( buf, buflen, "SSL - Bad input parameters to function" ); + if( use_ret == -(MBEDTLS_ERR_SSL_INVALID_MAC) ) + mbedtls_snprintf( buf, buflen, "SSL - Verification of the message MAC failed" ); + if( use_ret == -(MBEDTLS_ERR_SSL_INVALID_RECORD) ) + mbedtls_snprintf( buf, buflen, "SSL - An invalid SSL record was received" ); + if( use_ret == -(MBEDTLS_ERR_SSL_CONN_EOF) ) + mbedtls_snprintf( buf, buflen, "SSL - The connection indicated an EOF" ); + if( use_ret == -(MBEDTLS_ERR_SSL_UNKNOWN_CIPHER) ) + mbedtls_snprintf( buf, buflen, "SSL - An unknown cipher was received" ); + if( use_ret == -(MBEDTLS_ERR_SSL_NO_CIPHER_CHOSEN) ) + mbedtls_snprintf( buf, buflen, "SSL - The server has no ciphersuites in common with the client" ); + if( use_ret == -(MBEDTLS_ERR_SSL_NO_RNG) ) + mbedtls_snprintf( buf, buflen, "SSL - No RNG was provided to the SSL module" ); + if( use_ret == -(MBEDTLS_ERR_SSL_NO_CLIENT_CERTIFICATE) ) + mbedtls_snprintf( buf, buflen, "SSL - No client certification received from the client, but required by the authentication mode" ); + if( use_ret == -(MBEDTLS_ERR_SSL_CERTIFICATE_TOO_LARGE) ) + mbedtls_snprintf( buf, buflen, "SSL - Our own certificate(s) is/are too large to send in an SSL message" ); + if( use_ret == -(MBEDTLS_ERR_SSL_CERTIFICATE_REQUIRED) ) + mbedtls_snprintf( buf, buflen, "SSL - The own certificate is not set, but needed by the server" ); + if( use_ret == -(MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED) ) + mbedtls_snprintf( buf, buflen, "SSL - The own private key or pre-shared key is not set, but needed" ); + if( use_ret == -(MBEDTLS_ERR_SSL_CA_CHAIN_REQUIRED) ) + mbedtls_snprintf( buf, buflen, "SSL - No CA Chain is set, but required to operate" ); + if( use_ret == -(MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE) ) + mbedtls_snprintf( buf, buflen, "SSL - An unexpected message was received from our peer" ); + if( use_ret == -(MBEDTLS_ERR_SSL_FATAL_ALERT_MESSAGE) ) + { + mbedtls_snprintf( buf, buflen, "SSL - A fatal alert message was received from our peer" ); + return; + } + if( use_ret == -(MBEDTLS_ERR_SSL_PEER_VERIFY_FAILED) ) + mbedtls_snprintf( buf, buflen, "SSL - Verification of our peer failed" ); + if( use_ret == -(MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY) ) + mbedtls_snprintf( buf, buflen, "SSL - The peer notified us that the connection is going to be closed" ); + if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO) ) + mbedtls_snprintf( buf, buflen, "SSL - Processing of the ClientHello handshake message failed" ); + if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO) ) + mbedtls_snprintf( buf, buflen, "SSL - Processing of the ServerHello handshake message failed" ); + if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE) ) + mbedtls_snprintf( buf, buflen, "SSL - Processing of the Certificate handshake message failed" ); + if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST) ) + mbedtls_snprintf( buf, buflen, "SSL - Processing of the CertificateRequest handshake message failed" ); + if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE) ) + mbedtls_snprintf( buf, buflen, "SSL - Processing of the ServerKeyExchange handshake message failed" ); + if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO_DONE) ) + mbedtls_snprintf( buf, buflen, "SSL - Processing of the ServerHelloDone handshake message failed" ); + if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE) ) + mbedtls_snprintf( buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed" ); + if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_RP) ) + mbedtls_snprintf( buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH Read Public" ); + if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_CS) ) + mbedtls_snprintf( buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH Calculate Secret" ); + if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_VERIFY) ) + mbedtls_snprintf( buf, buflen, "SSL - Processing of the CertificateVerify handshake message failed" ); + if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_CHANGE_CIPHER_SPEC) ) + mbedtls_snprintf( buf, buflen, "SSL - Processing of the ChangeCipherSpec handshake message failed" ); + if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_FINISHED) ) + mbedtls_snprintf( buf, buflen, "SSL - Processing of the Finished handshake message failed" ); + if( use_ret == -(MBEDTLS_ERR_SSL_ALLOC_FAILED) ) + mbedtls_snprintf( buf, buflen, "SSL - Memory allocation failed" ); + if( use_ret == -(MBEDTLS_ERR_SSL_HW_ACCEL_FAILED) ) + mbedtls_snprintf( buf, buflen, "SSL - Hardware acceleration function returned with error" ); + if( use_ret == -(MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH) ) + mbedtls_snprintf( buf, buflen, "SSL - Hardware acceleration function skipped / left alone data" ); + if( use_ret == -(MBEDTLS_ERR_SSL_COMPRESSION_FAILED) ) + mbedtls_snprintf( buf, buflen, "SSL - Processing of the compression / decompression failed" ); + if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_PROTOCOL_VERSION) ) + mbedtls_snprintf( buf, buflen, "SSL - Handshake protocol not within min/max boundaries" ); + if( use_ret == -(MBEDTLS_ERR_SSL_BAD_HS_NEW_SESSION_TICKET) ) + mbedtls_snprintf( buf, buflen, "SSL - Processing of the NewSessionTicket handshake message failed" ); + if( use_ret == -(MBEDTLS_ERR_SSL_SESSION_TICKET_EXPIRED) ) + mbedtls_snprintf( buf, buflen, "SSL - Session ticket has expired" ); + if( use_ret == -(MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH) ) + mbedtls_snprintf( buf, buflen, "SSL - Public key type mismatch (eg, asked for RSA key exchange and presented EC key)" ); + if( use_ret == -(MBEDTLS_ERR_SSL_UNKNOWN_IDENTITY) ) + mbedtls_snprintf( buf, buflen, "SSL - Unknown identity received (eg, PSK identity)" ); + if( use_ret == -(MBEDTLS_ERR_SSL_INTERNAL_ERROR) ) + mbedtls_snprintf( buf, buflen, "SSL - Internal error (eg, unexpected failure in lower-level module)" ); + if( use_ret == -(MBEDTLS_ERR_SSL_COUNTER_WRAPPING) ) + mbedtls_snprintf( buf, buflen, "SSL - A counter would wrap (eg, too many messages exchanged)" ); + if( use_ret == -(MBEDTLS_ERR_SSL_WAITING_SERVER_HELLO_RENEGO) ) + mbedtls_snprintf( buf, buflen, "SSL - Unexpected message at ServerHello in renegotiation" ); + if( use_ret == -(MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED) ) + mbedtls_snprintf( buf, buflen, "SSL - DTLS client must retry for hello verification" ); + if( use_ret == -(MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL) ) + mbedtls_snprintf( buf, buflen, "SSL - A buffer is too small to receive or write a message" ); + if( use_ret == -(MBEDTLS_ERR_SSL_NO_USABLE_CIPHERSUITE) ) + mbedtls_snprintf( buf, buflen, "SSL - None of the common ciphersuites is usable (eg, no suitable certificate, see debug messages)" ); + if( use_ret == -(MBEDTLS_ERR_SSL_WANT_READ) ) + mbedtls_snprintf( buf, buflen, "SSL - Connection requires a read call" ); + if( use_ret == -(MBEDTLS_ERR_SSL_WANT_WRITE) ) + mbedtls_snprintf( buf, buflen, "SSL - Connection requires a write call" ); + if( use_ret == -(MBEDTLS_ERR_SSL_TIMEOUT) ) + mbedtls_snprintf( buf, buflen, "SSL - The operation timed out" ); + if( use_ret == -(MBEDTLS_ERR_SSL_CLIENT_RECONNECT) ) + mbedtls_snprintf( buf, buflen, "SSL - The client initiated a reconnect from the same port" ); +#endif /* MBEDTLS_SSL_TLS_C */ + +#if defined(MBEDTLS_X509_USE_C) || defined(MBEDTLS_X509_CREATE_C) + if( use_ret == -(MBEDTLS_ERR_X509_FEATURE_UNAVAILABLE) ) + mbedtls_snprintf( buf, buflen, "X509 - Unavailable feature, e.g. RSA hashing/encryption combination" ); + if( use_ret == -(MBEDTLS_ERR_X509_UNKNOWN_OID) ) + mbedtls_snprintf( buf, buflen, "X509 - Requested OID is unknown" ); + if( use_ret == -(MBEDTLS_ERR_X509_INVALID_FORMAT) ) + mbedtls_snprintf( buf, buflen, "X509 - The CRT/CRL/CSR format is invalid, e.g. different type expected" ); + if( use_ret == -(MBEDTLS_ERR_X509_INVALID_VERSION) ) + mbedtls_snprintf( buf, buflen, "X509 - The CRT/CRL/CSR version element is invalid" ); + if( use_ret == -(MBEDTLS_ERR_X509_INVALID_SERIAL) ) + mbedtls_snprintf( buf, buflen, "X509 - The serial tag or value is invalid" ); + if( use_ret == -(MBEDTLS_ERR_X509_INVALID_ALG) ) + mbedtls_snprintf( buf, buflen, "X509 - The algorithm tag or value is invalid" ); + if( use_ret == -(MBEDTLS_ERR_X509_INVALID_NAME) ) + mbedtls_snprintf( buf, buflen, "X509 - The name tag or value is invalid" ); + if( use_ret == -(MBEDTLS_ERR_X509_INVALID_DATE) ) + mbedtls_snprintf( buf, buflen, "X509 - The date tag or value is invalid" ); + if( use_ret == -(MBEDTLS_ERR_X509_INVALID_SIGNATURE) ) + mbedtls_snprintf( buf, buflen, "X509 - The signature tag or value invalid" ); + if( use_ret == -(MBEDTLS_ERR_X509_INVALID_EXTENSIONS) ) + mbedtls_snprintf( buf, buflen, "X509 - The extension tag or value is invalid" ); + if( use_ret == -(MBEDTLS_ERR_X509_UNKNOWN_VERSION) ) + mbedtls_snprintf( buf, buflen, "X509 - CRT/CRL/CSR has an unsupported version number" ); + if( use_ret == -(MBEDTLS_ERR_X509_UNKNOWN_SIG_ALG) ) + mbedtls_snprintf( buf, buflen, "X509 - Signature algorithm (oid) is unsupported" ); + if( use_ret == -(MBEDTLS_ERR_X509_SIG_MISMATCH) ) + mbedtls_snprintf( buf, buflen, "X509 - Signature algorithms do not match. (see \\c ::mbedtls_x509_crt sig_oid)" ); + if( use_ret == -(MBEDTLS_ERR_X509_CERT_VERIFY_FAILED) ) + mbedtls_snprintf( buf, buflen, "X509 - Certificate verification failed, e.g. CRL, CA or signature check failed" ); + if( use_ret == -(MBEDTLS_ERR_X509_CERT_UNKNOWN_FORMAT) ) + mbedtls_snprintf( buf, buflen, "X509 - Format not recognized as DER or PEM" ); + if( use_ret == -(MBEDTLS_ERR_X509_BAD_INPUT_DATA) ) + mbedtls_snprintf( buf, buflen, "X509 - Input invalid" ); + if( use_ret == -(MBEDTLS_ERR_X509_ALLOC_FAILED) ) + mbedtls_snprintf( buf, buflen, "X509 - Allocation of memory failed" ); + if( use_ret == -(MBEDTLS_ERR_X509_FILE_IO_ERROR) ) + mbedtls_snprintf( buf, buflen, "X509 - Read/write of file failed" ); + if( use_ret == -(MBEDTLS_ERR_X509_BUFFER_TOO_SMALL) ) + mbedtls_snprintf( buf, buflen, "X509 - Destination buffer is too small" ); +#endif /* MBEDTLS_X509_USE_C || MBEDTLS_X509_CREATE_C */ + // END generated code + + if( strlen( buf ) == 0 ) + mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret ); + } + + use_ret = ret & ~0xFF80; + + if( use_ret == 0 ) + return; + + // If high level code is present, make a concatenation between both + // error strings. + // + len = strlen( buf ); + + if( len > 0 ) + { + if( buflen - len < 5 ) + return; + + mbedtls_snprintf( buf + len, buflen - len, " : " ); + + buf += len + 3; + buflen -= len + 3; + } + + // Low level error codes + // + // BEGIN generated code +#if defined(MBEDTLS_AES_C) + if( use_ret == -(MBEDTLS_ERR_AES_INVALID_KEY_LENGTH) ) + mbedtls_snprintf( buf, buflen, "AES - Invalid key length" ); + if( use_ret == -(MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH) ) + mbedtls_snprintf( buf, buflen, "AES - Invalid data input length" ); +#endif /* MBEDTLS_AES_C */ + +#if defined(MBEDTLS_ASN1_PARSE_C) + if( use_ret == -(MBEDTLS_ERR_ASN1_OUT_OF_DATA) ) + mbedtls_snprintf( buf, buflen, "ASN1 - Out of data when parsing an ASN1 data structure" ); + if( use_ret == -(MBEDTLS_ERR_ASN1_UNEXPECTED_TAG) ) + mbedtls_snprintf( buf, buflen, "ASN1 - ASN1 tag was of an unexpected value" ); + if( use_ret == -(MBEDTLS_ERR_ASN1_INVALID_LENGTH) ) + mbedtls_snprintf( buf, buflen, "ASN1 - Error when trying to determine the length or invalid length" ); + if( use_ret == -(MBEDTLS_ERR_ASN1_LENGTH_MISMATCH) ) + mbedtls_snprintf( buf, buflen, "ASN1 - Actual length differs from expected length" ); + if( use_ret == -(MBEDTLS_ERR_ASN1_INVALID_DATA) ) + mbedtls_snprintf( buf, buflen, "ASN1 - Data is invalid. (not used)" ); + if( use_ret == -(MBEDTLS_ERR_ASN1_ALLOC_FAILED) ) + mbedtls_snprintf( buf, buflen, "ASN1 - Memory allocation failed" ); + if( use_ret == -(MBEDTLS_ERR_ASN1_BUF_TOO_SMALL) ) + mbedtls_snprintf( buf, buflen, "ASN1 - Buffer too small when writing ASN.1 data structure" ); +#endif /* MBEDTLS_ASN1_PARSE_C */ + +#if defined(MBEDTLS_BASE64_C) + if( use_ret == -(MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL) ) + mbedtls_snprintf( buf, buflen, "BASE64 - Output buffer too small" ); + if( use_ret == -(MBEDTLS_ERR_BASE64_INVALID_CHARACTER) ) + mbedtls_snprintf( buf, buflen, "BASE64 - Invalid character in input" ); +#endif /* MBEDTLS_BASE64_C */ + +#if defined(MBEDTLS_BIGNUM_C) + if( use_ret == -(MBEDTLS_ERR_MPI_FILE_IO_ERROR) ) + mbedtls_snprintf( buf, buflen, "BIGNUM - An error occurred while reading from or writing to a file" ); + if( use_ret == -(MBEDTLS_ERR_MPI_BAD_INPUT_DATA) ) + mbedtls_snprintf( buf, buflen, "BIGNUM - Bad input parameters to function" ); + if( use_ret == -(MBEDTLS_ERR_MPI_INVALID_CHARACTER) ) + mbedtls_snprintf( buf, buflen, "BIGNUM - There is an invalid character in the digit string" ); + if( use_ret == -(MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL) ) + mbedtls_snprintf( buf, buflen, "BIGNUM - The buffer is too small to write to" ); + if( use_ret == -(MBEDTLS_ERR_MPI_NEGATIVE_VALUE) ) + mbedtls_snprintf( buf, buflen, "BIGNUM - The input arguments are negative or result in illegal output" ); + if( use_ret == -(MBEDTLS_ERR_MPI_DIVISION_BY_ZERO) ) + mbedtls_snprintf( buf, buflen, "BIGNUM - The input argument for division is zero, which is not allowed" ); + if( use_ret == -(MBEDTLS_ERR_MPI_NOT_ACCEPTABLE) ) + mbedtls_snprintf( buf, buflen, "BIGNUM - The input arguments are not acceptable" ); + if( use_ret == -(MBEDTLS_ERR_MPI_ALLOC_FAILED) ) + mbedtls_snprintf( buf, buflen, "BIGNUM - Memory allocation failed" ); +#endif /* MBEDTLS_BIGNUM_C */ + +#if defined(MBEDTLS_BLOWFISH_C) + if( use_ret == -(MBEDTLS_ERR_BLOWFISH_INVALID_KEY_LENGTH) ) + mbedtls_snprintf( buf, buflen, "BLOWFISH - Invalid key length" ); + if( use_ret == -(MBEDTLS_ERR_BLOWFISH_INVALID_INPUT_LENGTH) ) + mbedtls_snprintf( buf, buflen, "BLOWFISH - Invalid data input length" ); +#endif /* MBEDTLS_BLOWFISH_C */ + +#if defined(MBEDTLS_CAMELLIA_C) + if( use_ret == -(MBEDTLS_ERR_CAMELLIA_INVALID_KEY_LENGTH) ) + mbedtls_snprintf( buf, buflen, "CAMELLIA - Invalid key length" ); + if( use_ret == -(MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH) ) + mbedtls_snprintf( buf, buflen, "CAMELLIA - Invalid data input length" ); +#endif /* MBEDTLS_CAMELLIA_C */ + +#if defined(MBEDTLS_CCM_C) + if( use_ret == -(MBEDTLS_ERR_CCM_BAD_INPUT) ) + mbedtls_snprintf( buf, buflen, "CCM - Bad input parameters to function" ); + if( use_ret == -(MBEDTLS_ERR_CCM_AUTH_FAILED) ) + mbedtls_snprintf( buf, buflen, "CCM - Authenticated decryption failed" ); +#endif /* MBEDTLS_CCM_C */ + +#if defined(MBEDTLS_CTR_DRBG_C) + if( use_ret == -(MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED) ) + mbedtls_snprintf( buf, buflen, "CTR_DRBG - The entropy source failed" ); + if( use_ret == -(MBEDTLS_ERR_CTR_DRBG_REQUEST_TOO_BIG) ) + mbedtls_snprintf( buf, buflen, "CTR_DRBG - Too many random requested in single call" ); + if( use_ret == -(MBEDTLS_ERR_CTR_DRBG_INPUT_TOO_BIG) ) + mbedtls_snprintf( buf, buflen, "CTR_DRBG - Input too large (Entropy + additional)" ); + if( use_ret == -(MBEDTLS_ERR_CTR_DRBG_FILE_IO_ERROR) ) + mbedtls_snprintf( buf, buflen, "CTR_DRBG - Read/write error in file" ); +#endif /* MBEDTLS_CTR_DRBG_C */ + +#if defined(MBEDTLS_DES_C) + if( use_ret == -(MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH) ) + mbedtls_snprintf( buf, buflen, "DES - The data input has an invalid length" ); +#endif /* MBEDTLS_DES_C */ + +#if defined(MBEDTLS_ENTROPY_C) + if( use_ret == -(MBEDTLS_ERR_ENTROPY_SOURCE_FAILED) ) + mbedtls_snprintf( buf, buflen, "ENTROPY - Critical entropy source failure" ); + if( use_ret == -(MBEDTLS_ERR_ENTROPY_MAX_SOURCES) ) + mbedtls_snprintf( buf, buflen, "ENTROPY - No more sources can be added" ); + if( use_ret == -(MBEDTLS_ERR_ENTROPY_NO_SOURCES_DEFINED) ) + mbedtls_snprintf( buf, buflen, "ENTROPY - No sources have been added to poll" ); + if( use_ret == -(MBEDTLS_ERR_ENTROPY_NO_STRONG_SOURCE) ) + mbedtls_snprintf( buf, buflen, "ENTROPY - No strong sources have been added to poll" ); + if( use_ret == -(MBEDTLS_ERR_ENTROPY_FILE_IO_ERROR) ) + mbedtls_snprintf( buf, buflen, "ENTROPY - Read/write error in file" ); +#endif /* MBEDTLS_ENTROPY_C */ + +#if defined(MBEDTLS_GCM_C) + if( use_ret == -(MBEDTLS_ERR_GCM_AUTH_FAILED) ) + mbedtls_snprintf( buf, buflen, "GCM - Authenticated decryption failed" ); + if( use_ret == -(MBEDTLS_ERR_GCM_BAD_INPUT) ) + mbedtls_snprintf( buf, buflen, "GCM - Bad input parameters to function" ); +#endif /* MBEDTLS_GCM_C */ + +#if defined(MBEDTLS_HMAC_DRBG_C) + if( use_ret == -(MBEDTLS_ERR_HMAC_DRBG_REQUEST_TOO_BIG) ) + mbedtls_snprintf( buf, buflen, "HMAC_DRBG - Too many random requested in single call" ); + if( use_ret == -(MBEDTLS_ERR_HMAC_DRBG_INPUT_TOO_BIG) ) + mbedtls_snprintf( buf, buflen, "HMAC_DRBG - Input too large (Entropy + additional)" ); + if( use_ret == -(MBEDTLS_ERR_HMAC_DRBG_FILE_IO_ERROR) ) + mbedtls_snprintf( buf, buflen, "HMAC_DRBG - Read/write error in file" ); + if( use_ret == -(MBEDTLS_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED) ) + mbedtls_snprintf( buf, buflen, "HMAC_DRBG - The entropy source failed" ); +#endif /* MBEDTLS_HMAC_DRBG_C */ + +#if defined(MBEDTLS_NET_C) + if( use_ret == -(MBEDTLS_ERR_NET_SOCKET_FAILED) ) + mbedtls_snprintf( buf, buflen, "NET - Failed to open a socket" ); + if( use_ret == -(MBEDTLS_ERR_NET_CONNECT_FAILED) ) + mbedtls_snprintf( buf, buflen, "NET - The connection to the given server / port failed" ); + if( use_ret == -(MBEDTLS_ERR_NET_BIND_FAILED) ) + mbedtls_snprintf( buf, buflen, "NET - Binding of the socket failed" ); + if( use_ret == -(MBEDTLS_ERR_NET_LISTEN_FAILED) ) + mbedtls_snprintf( buf, buflen, "NET - Could not listen on the socket" ); + if( use_ret == -(MBEDTLS_ERR_NET_ACCEPT_FAILED) ) + mbedtls_snprintf( buf, buflen, "NET - Could not accept the incoming connection" ); + if( use_ret == -(MBEDTLS_ERR_NET_RECV_FAILED) ) + mbedtls_snprintf( buf, buflen, "NET - Reading information from the socket failed" ); + if( use_ret == -(MBEDTLS_ERR_NET_SEND_FAILED) ) + mbedtls_snprintf( buf, buflen, "NET - Sending information through the socket failed" ); + if( use_ret == -(MBEDTLS_ERR_NET_CONN_RESET) ) + mbedtls_snprintf( buf, buflen, "NET - Connection was reset by peer" ); + if( use_ret == -(MBEDTLS_ERR_NET_UNKNOWN_HOST) ) + mbedtls_snprintf( buf, buflen, "NET - Failed to get an IP address for the given hostname" ); + if( use_ret == -(MBEDTLS_ERR_NET_BUFFER_TOO_SMALL) ) + mbedtls_snprintf( buf, buflen, "NET - Buffer is too small to hold the data" ); + if( use_ret == -(MBEDTLS_ERR_NET_INVALID_CONTEXT) ) + mbedtls_snprintf( buf, buflen, "NET - The context is invalid, eg because it was free()ed" ); +#endif /* MBEDTLS_NET_C */ + +#if defined(MBEDTLS_OID_C) + if( use_ret == -(MBEDTLS_ERR_OID_NOT_FOUND) ) + mbedtls_snprintf( buf, buflen, "OID - OID is not found" ); + if( use_ret == -(MBEDTLS_ERR_OID_BUF_TOO_SMALL) ) + mbedtls_snprintf( buf, buflen, "OID - output buffer is too small" ); +#endif /* MBEDTLS_OID_C */ + +#if defined(MBEDTLS_PADLOCK_C) + if( use_ret == -(MBEDTLS_ERR_PADLOCK_DATA_MISALIGNED) ) + mbedtls_snprintf( buf, buflen, "PADLOCK - Input data should be aligned" ); +#endif /* MBEDTLS_PADLOCK_C */ + +#if defined(MBEDTLS_THREADING_C) + if( use_ret == -(MBEDTLS_ERR_THREADING_FEATURE_UNAVAILABLE) ) + mbedtls_snprintf( buf, buflen, "THREADING - The selected feature is not available" ); + if( use_ret == -(MBEDTLS_ERR_THREADING_BAD_INPUT_DATA) ) + mbedtls_snprintf( buf, buflen, "THREADING - Bad input parameters to function" ); + if( use_ret == -(MBEDTLS_ERR_THREADING_MUTEX_ERROR) ) + mbedtls_snprintf( buf, buflen, "THREADING - Locking / unlocking / free failed with error code" ); +#endif /* MBEDTLS_THREADING_C */ + +#if defined(MBEDTLS_XTEA_C) + if( use_ret == -(MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH) ) + mbedtls_snprintf( buf, buflen, "XTEA - The data input has an invalid length" ); +#endif /* MBEDTLS_XTEA_C */ + // END generated code + + if( strlen( buf ) != 0 ) + return; + + mbedtls_snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret ); +} + +#else /* MBEDTLS_ERROR_C */ + +#if defined(MBEDTLS_ERROR_STRERROR_DUMMY) + +/* + * Provide an non-function in case MBEDTLS_ERROR_C is not defined + */ +void mbedtls_strerror( int ret, char *buf, size_t buflen ) +{ + ((void) ret); + + if( buflen > 0 ) + buf[0] = '\0'; +} + +#endif /* MBEDTLS_ERROR_STRERROR_DUMMY */ + +#endif /* MBEDTLS_ERROR_C */