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mbedtls/library/error.c
Paul Bakker 03a85bca4c pem_read_buffer() already update use_len after header and footer are read 
After header and footer are read, pem_read_buffer() is able to determine
the length of input data used. This allows calling functions to skip
this PEM bit if an error occurs during its parsing.
(cherry picked from commit 9255e8300e)
2013-06-19 12:06:00 +02:00

533 lines
24 KiB
C
Raw Blame History

/*
* Error message information
*
* Copyright (C) 2006-2012, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "polarssl/config.h"
#if defined(POLARSSL_ERROR_C)
#if defined(POLARSSL_AES_C)
#include "polarssl/aes.h"
#endif
#if defined(POLARSSL_BASE64_C)
#include "polarssl/base64.h"
#endif
#if defined(POLARSSL_BIGNUM_C)
#include "polarssl/bignum.h"
#endif
#if defined(POLARSSL_CAMELLIA_C)
#include "polarssl/camellia.h"
#endif
#if defined(POLARSSL_CIPHER_C)
#include "polarssl/cipher.h"
#endif
#if defined(POLARSSL_CTR_DRBG_C)
#include "polarssl/ctr_drbg.h"
#endif
#if defined(POLARSSL_DES_C)
#include "polarssl/des.h"
#endif
#if defined(POLARSSL_DHM_C)
#include "polarssl/dhm.h"
#endif
#if defined(POLARSSL_ENTROPY_C)
#include "polarssl/entropy.h"
#endif
#if defined(POLARSSL_MD_C)
#include "polarssl/md.h"
#endif
#if defined(POLARSSL_MD2_C)
#include "polarssl/md2.h"
#endif
#if defined(POLARSSL_MD4_C)
#include "polarssl/md4.h"
#endif
#if defined(POLARSSL_MD5_C)
#include "polarssl/md5.h"
#endif
#if defined(POLARSSL_NET_C)
#include "polarssl/net.h"
#endif
#if defined(POLARSSL_PADLOCK_C)
#include "polarssl/padlock.h"
#endif
#if defined(POLARSSL_PEM_C)
#include "polarssl/pem.h"
#endif
#if defined(POLARSSL_RSA_C)
#include "polarssl/rsa.h"
#endif
#if defined(POLARSSL_SHA1_C)
#include "polarssl/sha1.h"
#endif
#if defined(POLARSSL_SHA2_C)
#include "polarssl/sha2.h"
#endif
#if defined(POLARSSL_SHA4_C)
#include "polarssl/sha4.h"
#endif
#if defined(POLARSSL_SSL_TLS_C)
#include "polarssl/ssl.h"
#endif
#if defined(POLARSSL_X509_PARSE_C)
#include "polarssl/x509.h"
#endif
#if defined(POLARSSL_XTEA_C)
#include "polarssl/xtea.h"
#endif
#include <string.h>
#if defined _MSC_VER && !defined snprintf
#define snprintf _snprintf
#endif
void error_strerror( int ret, char *buf, size_t buflen )
{
size_t len;
int use_ret;
memset( buf, 0x00, buflen );
if( ret < 0 )
ret = -ret;
if( ret & 0xFF80 )
{
use_ret = ret & 0xFF80;
// High level error codes
//
#if defined(POLARSSL_CIPHER_C)
if( use_ret == -(POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE) )
snprintf( buf, buflen, "CIPHER - The selected feature is not available" );
if( use_ret == -(POLARSSL_ERR_CIPHER_BAD_INPUT_DATA) )
snprintf( buf, buflen, "CIPHER - Bad input parameters to function" );
if( use_ret == -(POLARSSL_ERR_CIPHER_ALLOC_FAILED) )
snprintf( buf, buflen, "CIPHER - Failed to allocate memory" );
if( use_ret == -(POLARSSL_ERR_CIPHER_INVALID_PADDING) )
snprintf( buf, buflen, "CIPHER - Input data contains invalid padding and is rejected" );
if( use_ret == -(POLARSSL_ERR_CIPHER_FULL_BLOCK_EXPECTED) )
snprintf( buf, buflen, "CIPHER - Decryption of block requires a full block" );
#endif /* POLARSSL_CIPHER_C */
#if defined(POLARSSL_DHM_C)
if( use_ret == -(POLARSSL_ERR_DHM_BAD_INPUT_DATA) )
snprintf( buf, buflen, "DHM - Bad input parameters to function" );
if( use_ret == -(POLARSSL_ERR_DHM_READ_PARAMS_FAILED) )
snprintf( buf, buflen, "DHM - Reading of the DHM parameters failed" );
if( use_ret == -(POLARSSL_ERR_DHM_MAKE_PARAMS_FAILED) )
snprintf( buf, buflen, "DHM - Making of the DHM parameters failed" );
if( use_ret == -(POLARSSL_ERR_DHM_READ_PUBLIC_FAILED) )
snprintf( buf, buflen, "DHM - Reading of the public values failed" );
if( use_ret == -(POLARSSL_ERR_DHM_MAKE_PUBLIC_FAILED) )
snprintf( buf, buflen, "DHM - Making of the public value failed" );
if( use_ret == -(POLARSSL_ERR_DHM_CALC_SECRET_FAILED) )
snprintf( buf, buflen, "DHM - Calculation of the DHM secret failed" );
#endif /* POLARSSL_DHM_C */
#if defined(POLARSSL_MD_C)
if( use_ret == -(POLARSSL_ERR_MD_FEATURE_UNAVAILABLE) )
snprintf( buf, buflen, "MD - The selected feature is not available" );
if( use_ret == -(POLARSSL_ERR_MD_BAD_INPUT_DATA) )
snprintf( buf, buflen, "MD - Bad input parameters to function" );
if( use_ret == -(POLARSSL_ERR_MD_ALLOC_FAILED) )
snprintf( buf, buflen, "MD - Failed to allocate memory" );
if( use_ret == -(POLARSSL_ERR_MD_FILE_IO_ERROR) )
snprintf( buf, buflen, "MD - Opening or reading of file failed" );
#endif /* POLARSSL_MD_C */
#if defined(POLARSSL_PEM_C)
if( use_ret == -(POLARSSL_ERR_PEM_NO_HEADER_FOOTER_PRESENT) )
snprintf( buf, buflen, "PEM - No PEM header or footer found" );
if( use_ret == -(POLARSSL_ERR_PEM_INVALID_DATA) )
snprintf( buf, buflen, "PEM - PEM string is not as expected" );
if( use_ret == -(POLARSSL_ERR_PEM_MALLOC_FAILED) )
snprintf( buf, buflen, "PEM - Failed to allocate memory" );
if( use_ret == -(POLARSSL_ERR_PEM_INVALID_ENC_IV) )
snprintf( buf, buflen, "PEM - RSA IV is not in hex-format" );
if( use_ret == -(POLARSSL_ERR_PEM_UNKNOWN_ENC_ALG) )
snprintf( buf, buflen, "PEM - Unsupported key encryption algorithm" );
if( use_ret == -(POLARSSL_ERR_PEM_PASSWORD_REQUIRED) )
snprintf( buf, buflen, "PEM - Private key password can't be empty" );
if( use_ret == -(POLARSSL_ERR_PEM_PASSWORD_MISMATCH) )
snprintf( buf, buflen, "PEM - Given private key password does not allow for correct decryption" );
if( use_ret == -(POLARSSL_ERR_PEM_FEATURE_UNAVAILABLE) )
snprintf( buf, buflen, "PEM - Unavailable feature, e.g. hashing/encryption combination" );
if( use_ret == -(POLARSSL_ERR_PEM_BAD_INPUT_DATA) )
snprintf( buf, buflen, "PEM - Bad input parameters to function" );
#endif /* POLARSSL_PEM_C */
#if defined(POLARSSL_RSA_C)
if( use_ret == -(POLARSSL_ERR_RSA_BAD_INPUT_DATA) )
snprintf( buf, buflen, "RSA - Bad input parameters to function" );
if( use_ret == -(POLARSSL_ERR_RSA_INVALID_PADDING) )
snprintf( buf, buflen, "RSA - Input data contains invalid padding and is rejected" );
if( use_ret == -(POLARSSL_ERR_RSA_KEY_GEN_FAILED) )
snprintf( buf, buflen, "RSA - Something failed during generation of a key" );
if( use_ret == -(POLARSSL_ERR_RSA_KEY_CHECK_FAILED) )
snprintf( buf, buflen, "RSA - Key failed to pass the libraries validity check" );
if( use_ret == -(POLARSSL_ERR_RSA_PUBLIC_FAILED) )
snprintf( buf, buflen, "RSA - The public key operation failed" );
if( use_ret == -(POLARSSL_ERR_RSA_PRIVATE_FAILED) )
snprintf( buf, buflen, "RSA - The private key operation failed" );
if( use_ret == -(POLARSSL_ERR_RSA_VERIFY_FAILED) )
snprintf( buf, buflen, "RSA - The PKCS#1 verification failed" );
if( use_ret == -(POLARSSL_ERR_RSA_OUTPUT_TOO_LARGE) )
snprintf( buf, buflen, "RSA - The output buffer for decryption is not large enough" );
if( use_ret == -(POLARSSL_ERR_RSA_RNG_FAILED) )
snprintf( buf, buflen, "RSA - The random generator failed to generate non-zeros" );
#endif /* POLARSSL_RSA_C */
#if defined(POLARSSL_SSL_TLS_C)
if( use_ret == -(POLARSSL_ERR_SSL_FEATURE_UNAVAILABLE) )
snprintf( buf, buflen, "SSL - The requested feature is not available" );
if( use_ret == -(POLARSSL_ERR_SSL_BAD_INPUT_DATA) )
snprintf( buf, buflen, "SSL - Bad input parameters to function" );
if( use_ret == -(POLARSSL_ERR_SSL_INVALID_MAC) )
snprintf( buf, buflen, "SSL - Verification of the message MAC failed" );
if( use_ret == -(POLARSSL_ERR_SSL_INVALID_RECORD) )
snprintf( buf, buflen, "SSL - An invalid SSL record was received" );
if( use_ret == -(POLARSSL_ERR_SSL_CONN_EOF) )
snprintf( buf, buflen, "SSL - The connection indicated an EOF" );
if( use_ret == -(POLARSSL_ERR_SSL_UNKNOWN_CIPHER) )
snprintf( buf, buflen, "SSL - An unknown cipher was received" );
if( use_ret == -(POLARSSL_ERR_SSL_NO_CIPHER_CHOSEN) )
snprintf( buf, buflen, "SSL - The server has no ciphersuites in common with the client" );
if( use_ret == -(POLARSSL_ERR_SSL_NO_SESSION_FOUND) )
snprintf( buf, buflen, "SSL - No session to recover was found" );
if( use_ret == -(POLARSSL_ERR_SSL_NO_CLIENT_CERTIFICATE) )
snprintf( buf, buflen, "SSL - No client certification received from the client, but required by the authentication mode" );
if( use_ret == -(POLARSSL_ERR_SSL_CERTIFICATE_TOO_LARGE) )
snprintf( buf, buflen, "SSL - DESCRIPTION MISSING" );
if( use_ret == -(POLARSSL_ERR_SSL_CERTIFICATE_REQUIRED) )
snprintf( buf, buflen, "SSL - The own certificate is not set, but needed by the server" );
if( use_ret == -(POLARSSL_ERR_SSL_PRIVATE_KEY_REQUIRED) )
snprintf( buf, buflen, "SSL - The own private key is not set, but needed" );
if( use_ret == -(POLARSSL_ERR_SSL_CA_CHAIN_REQUIRED) )
snprintf( buf, buflen, "SSL - No CA Chain is set, but required to operate" );
if( use_ret == -(POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE) )
snprintf( buf, buflen, "SSL - An unexpected message was received from our peer" );
if( use_ret == -(POLARSSL_ERR_SSL_FATAL_ALERT_MESSAGE) )
snprintf( buf, buflen, "SSL - A fatal alert message was received from our peer" );
if( use_ret == -(POLARSSL_ERR_SSL_PEER_VERIFY_FAILED) )
snprintf( buf, buflen, "SSL - Verification of our peer failed" );
if( use_ret == -(POLARSSL_ERR_SSL_PEER_CLOSE_NOTIFY) )
snprintf( buf, buflen, "SSL - The peer notified us that the connection is going to be closed" );
if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_CLIENT_HELLO) )
snprintf( buf, buflen, "SSL - Processing of the ClientHello handshake message failed" );
if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO) )
snprintf( buf, buflen, "SSL - Processing of the ServerHello handshake message failed" );
if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_CERTIFICATE) )
snprintf( buf, buflen, "SSL - Processing of the Certificate handshake message failed" );
if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST) )
snprintf( buf, buflen, "SSL - Processing of the CertificateRequest handshake message failed" );
if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE) )
snprintf( buf, buflen, "SSL - Processing of the ServerKeyExchange handshake message failed" );
if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO_DONE) )
snprintf( buf, buflen, "SSL - Processing of the ServerHelloDone handshake message failed" );
if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE) )
snprintf( buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed" );
if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_DHM_RP) )
snprintf( buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed in DHM Read Public" );
if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_DHM_CS) )
snprintf( buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed in DHM Calculate Secret" );
if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_CERTIFICATE_VERIFY) )
snprintf( buf, buflen, "SSL - Processing of the CertificateVerify handshake message failed" );
if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_CHANGE_CIPHER_SPEC) )
snprintf( buf, buflen, "SSL - Processing of the ChangeCipherSpec handshake message failed" );
if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_FINISHED) )
snprintf( buf, buflen, "SSL - Processing of the Finished handshake message failed" );
if( use_ret == -(POLARSSL_ERR_SSL_MALLOC_FAILED) )
snprintf( buf, buflen, "SSL - Memory allocation failed" );
#endif /* POLARSSL_SSL_TLS_C */
#if defined(POLARSSL_X509_PARSE_C)
if( use_ret == -(POLARSSL_ERR_X509_FEATURE_UNAVAILABLE) )
snprintf( buf, buflen, "X509 - Unavailable feature, e.g. RSA hashing/encryption combination" );
if( use_ret == -(POLARSSL_ERR_X509_CERT_INVALID_PEM) )
snprintf( buf, buflen, "X509 - The PEM-encoded certificate contains invalid elements, e.g. invalid character" );
if( use_ret == -(POLARSSL_ERR_X509_CERT_INVALID_FORMAT) )
snprintf( buf, buflen, "X509 - The certificate format is invalid, e.g. different type expected" );
if( use_ret == -(POLARSSL_ERR_X509_CERT_INVALID_VERSION) )
snprintf( buf, buflen, "X509 - The certificate version element is invalid" );
if( use_ret == -(POLARSSL_ERR_X509_CERT_INVALID_SERIAL) )
snprintf( buf, buflen, "X509 - The serial tag or value is invalid" );
if( use_ret == -(POLARSSL_ERR_X509_CERT_INVALID_ALG) )
snprintf( buf, buflen, "X509 - The algorithm tag or value is invalid" );
if( use_ret == -(POLARSSL_ERR_X509_CERT_INVALID_NAME) )
snprintf( buf, buflen, "X509 - The name tag or value is invalid" );
if( use_ret == -(POLARSSL_ERR_X509_CERT_INVALID_DATE) )
snprintf( buf, buflen, "X509 - The date tag or value is invalid" );
if( use_ret == -(POLARSSL_ERR_X509_CERT_INVALID_PUBKEY) )
snprintf( buf, buflen, "X509 - The pubkey tag or value is invalid (only RSA is supported)" );
if( use_ret == -(POLARSSL_ERR_X509_CERT_INVALID_SIGNATURE) )
snprintf( buf, buflen, "X509 - The signature tag or value invalid" );
if( use_ret == -(POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS) )
snprintf( buf, buflen, "X509 - The extension tag or value is invalid" );
if( use_ret == -(POLARSSL_ERR_X509_CERT_UNKNOWN_VERSION) )
snprintf( buf, buflen, "X509 - Certificate or CRL has an unsupported version number" );
if( use_ret == -(POLARSSL_ERR_X509_CERT_UNKNOWN_SIG_ALG) )
snprintf( buf, buflen, "X509 - Signature algorithm (oid) is unsupported" );
if( use_ret == -(POLARSSL_ERR_X509_UNKNOWN_PK_ALG) )
snprintf( buf, buflen, "X509 - Key algorithm is unsupported (only RSA is supported)" );
if( use_ret == -(POLARSSL_ERR_X509_CERT_SIG_MISMATCH) )
snprintf( buf, buflen, "X509 - Certificate signature algorithms do not match. (see \\c ::x509_cert sig_oid)" );
if( use_ret == -(POLARSSL_ERR_X509_CERT_VERIFY_FAILED) )
snprintf( buf, buflen, "X509 - Certificate verification failed, e.g. CRL, CA or signature check failed" );
if( use_ret == -(POLARSSL_ERR_X509_KEY_INVALID_VERSION) )
snprintf( buf, buflen, "X509 - Unsupported RSA key version" );
if( use_ret == -(POLARSSL_ERR_X509_KEY_INVALID_FORMAT) )
snprintf( buf, buflen, "X509 - Invalid RSA key tag or value" );
if( use_ret == -(POLARSSL_ERR_X509_CERT_UNKNOWN_FORMAT) )
snprintf( buf, buflen, "X509 - Format not recognized as DER or PEM" );
if( use_ret == -(POLARSSL_ERR_X509_INVALID_INPUT) )
snprintf( buf, buflen, "X509 - Input invalid" );
if( use_ret == -(POLARSSL_ERR_X509_MALLOC_FAILED) )
snprintf( buf, buflen, "X509 - Allocation of memory failed" );
if( use_ret == -(POLARSSL_ERR_X509_FILE_IO_ERROR) )
snprintf( buf, buflen, "X509 - Read/write of file failed" );
#endif /* POLARSSL_X509_PARSE_C */
if( strlen( buf ) == 0 )
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;
snprintf( buf + len, buflen - len, " : " );
buf += len + 3;
buflen -= len + 3;
}
// Low level error codes
//
#if defined(POLARSSL_AES_C)
if( use_ret == -(POLARSSL_ERR_AES_INVALID_KEY_LENGTH) )
snprintf( buf, buflen, "AES - Invalid key length" );
if( use_ret == -(POLARSSL_ERR_AES_INVALID_INPUT_LENGTH) )
snprintf( buf, buflen, "AES - Invalid data input length" );
#endif /* POLARSSL_AES_C */
#if defined(POLARSSL_ASN1_PARSE_C)
if( use_ret == -(POLARSSL_ERR_ASN1_OUT_OF_DATA) )
snprintf( buf, buflen, "ASN1 - Out of data when parsing an ASN1 data structure" );
if( use_ret == -(POLARSSL_ERR_ASN1_UNEXPECTED_TAG) )
snprintf( buf, buflen, "ASN1 - ASN1 tag was of an unexpected value" );
if( use_ret == -(POLARSSL_ERR_ASN1_INVALID_LENGTH) )
snprintf( buf, buflen, "ASN1 - Error when trying to determine the length or invalid length" );
if( use_ret == -(POLARSSL_ERR_ASN1_LENGTH_MISMATCH) )
snprintf( buf, buflen, "ASN1 - Actual length differs from expected length" );
if( use_ret == -(POLARSSL_ERR_ASN1_INVALID_DATA) )
snprintf( buf, buflen, "ASN1 - Data is invalid. (not used)" );
if( use_ret == -(POLARSSL_ERR_ASN1_MALLOC_FAILED) )
snprintf( buf, buflen, "ASN1 - Memory allocation failed" );
#endif /* POLARSSL_ASN1_PARSE_C */
#if defined(POLARSSL_BASE64_C)
if( use_ret == -(POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL) )
snprintf( buf, buflen, "BASE64 - Output buffer too small" );
if( use_ret == -(POLARSSL_ERR_BASE64_INVALID_CHARACTER) )
snprintf( buf, buflen, "BASE64 - Invalid character in input" );
#endif /* POLARSSL_BASE64_C */
#if defined(POLARSSL_BIGNUM_C)
if( use_ret == -(POLARSSL_ERR_MPI_FILE_IO_ERROR) )
snprintf( buf, buflen, "BIGNUM - An error occurred while reading from or writing to a file" );
if( use_ret == -(POLARSSL_ERR_MPI_BAD_INPUT_DATA) )
snprintf( buf, buflen, "BIGNUM - Bad input parameters to function" );
if( use_ret == -(POLARSSL_ERR_MPI_INVALID_CHARACTER) )
snprintf( buf, buflen, "BIGNUM - There is an invalid character in the digit string" );
if( use_ret == -(POLARSSL_ERR_MPI_BUFFER_TOO_SMALL) )
snprintf( buf, buflen, "BIGNUM - The buffer is too small to write to" );
if( use_ret == -(POLARSSL_ERR_MPI_NEGATIVE_VALUE) )
snprintf( buf, buflen, "BIGNUM - The input arguments are negative or result in illegal output" );
if( use_ret == -(POLARSSL_ERR_MPI_DIVISION_BY_ZERO) )
snprintf( buf, buflen, "BIGNUM - The input argument for division is zero, which is not allowed" );
if( use_ret == -(POLARSSL_ERR_MPI_NOT_ACCEPTABLE) )
snprintf( buf, buflen, "BIGNUM - The input arguments are not acceptable" );
if( use_ret == -(POLARSSL_ERR_MPI_MALLOC_FAILED) )
snprintf( buf, buflen, "BIGNUM - Memory allocation failed" );
#endif /* POLARSSL_BIGNUM_C */
#if defined(POLARSSL_CAMELLIA_C)
if( use_ret == -(POLARSSL_ERR_CAMELLIA_INVALID_KEY_LENGTH) )
snprintf( buf, buflen, "CAMELLIA - Invalid key length" );
if( use_ret == -(POLARSSL_ERR_CAMELLIA_INVALID_INPUT_LENGTH) )
snprintf( buf, buflen, "CAMELLIA - Invalid data input length" );
#endif /* POLARSSL_CAMELLIA_C */
#if defined(POLARSSL_CTR_DRBG_C)
if( use_ret == -(POLARSSL_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED) )
snprintf( buf, buflen, "CTR_DRBG - The entropy source failed" );
if( use_ret == -(POLARSSL_ERR_CTR_DRBG_REQUEST_TOO_BIG) )
snprintf( buf, buflen, "CTR_DRBG - Too many random requested in single call" );
if( use_ret == -(POLARSSL_ERR_CTR_DRBG_INPUT_TOO_BIG) )
snprintf( buf, buflen, "CTR_DRBG - Input too large (Entropy + additional)" );
if( use_ret == -(POLARSSL_ERR_CTR_DRBG_FILE_IO_ERROR) )
snprintf( buf, buflen, "CTR_DRBG - Read/write error in file" );
#endif /* POLARSSL_CTR_DRBG_C */
#if defined(POLARSSL_DES_C)
if( use_ret == -(POLARSSL_ERR_DES_INVALID_INPUT_LENGTH) )
snprintf( buf, buflen, "DES - The data input has an invalid length" );
#endif /* POLARSSL_DES_C */
#if defined(POLARSSL_ENTROPY_C)
if( use_ret == -(POLARSSL_ERR_ENTROPY_SOURCE_FAILED) )
snprintf( buf, buflen, "ENTROPY - Critical entropy source failure" );
if( use_ret == -(POLARSSL_ERR_ENTROPY_MAX_SOURCES) )
snprintf( buf, buflen, "ENTROPY - No more sources can be added" );
if( use_ret == -(POLARSSL_ERR_ENTROPY_NO_SOURCES_DEFINED) )
snprintf( buf, buflen, "ENTROPY - No sources have been added to poll" );
#endif /* POLARSSL_ENTROPY_C */
#if defined(POLARSSL_MD2_C)
if( use_ret == -(POLARSSL_ERR_MD2_FILE_IO_ERROR) )
snprintf( buf, buflen, "MD2 - Read/write error in file" );
#endif /* POLARSSL_MD2_C */
#if defined(POLARSSL_MD4_C)
if( use_ret == -(POLARSSL_ERR_MD4_FILE_IO_ERROR) )
snprintf( buf, buflen, "MD4 - Read/write error in file" );
#endif /* POLARSSL_MD4_C */
#if defined(POLARSSL_MD5_C)
if( use_ret == -(POLARSSL_ERR_MD5_FILE_IO_ERROR) )
snprintf( buf, buflen, "MD5 - Read/write error in file" );
#endif /* POLARSSL_MD5_C */
#if defined(POLARSSL_NET_C)
if( use_ret == -(POLARSSL_ERR_NET_UNKNOWN_HOST) )
snprintf( buf, buflen, "NET - Failed to get an IP address for the given hostname" );
if( use_ret == -(POLARSSL_ERR_NET_SOCKET_FAILED) )
snprintf( buf, buflen, "NET - Failed to open a socket" );
if( use_ret == -(POLARSSL_ERR_NET_CONNECT_FAILED) )
snprintf( buf, buflen, "NET - The connection to the given server / port failed" );
if( use_ret == -(POLARSSL_ERR_NET_BIND_FAILED) )
snprintf( buf, buflen, "NET - Binding of the socket failed" );
if( use_ret == -(POLARSSL_ERR_NET_LISTEN_FAILED) )
snprintf( buf, buflen, "NET - Could not listen on the socket" );
if( use_ret == -(POLARSSL_ERR_NET_ACCEPT_FAILED) )
snprintf( buf, buflen, "NET - Could not accept the incoming connection" );
if( use_ret == -(POLARSSL_ERR_NET_RECV_FAILED) )
snprintf( buf, buflen, "NET - Reading information from the socket failed" );
if( use_ret == -(POLARSSL_ERR_NET_SEND_FAILED) )
snprintf( buf, buflen, "NET - Sending information through the socket failed" );
if( use_ret == -(POLARSSL_ERR_NET_CONN_RESET) )
snprintf( buf, buflen, "NET - Connection was reset by peer" );
if( use_ret == -(POLARSSL_ERR_NET_WANT_READ) )
snprintf( buf, buflen, "NET - Connection requires a read call" );
if( use_ret == -(POLARSSL_ERR_NET_WANT_WRITE) )
snprintf( buf, buflen, "NET - Connection requires a write call" );
#endif /* POLARSSL_NET_C */
#if defined(POLARSSL_PADLOCK_C)
if( use_ret == -(POLARSSL_ERR_PADLOCK_DATA_MISALIGNED) )
snprintf( buf, buflen, "PADLOCK - Input data should be aligned" );
#endif /* POLARSSL_PADLOCK_C */
#if defined(POLARSSL_SHA1_C)
if( use_ret == -(POLARSSL_ERR_SHA1_FILE_IO_ERROR) )
snprintf( buf, buflen, "SHA1 - Read/write error in file" );
#endif /* POLARSSL_SHA1_C */
#if defined(POLARSSL_SHA2_C)
if( use_ret == -(POLARSSL_ERR_SHA2_FILE_IO_ERROR) )
snprintf( buf, buflen, "SHA2 - Read/write error in file" );
#endif /* POLARSSL_SHA2_C */
#if defined(POLARSSL_SHA4_C)
if( use_ret == -(POLARSSL_ERR_SHA4_FILE_IO_ERROR) )
snprintf( buf, buflen, "SHA4 - Read/write error in file" );
#endif /* POLARSSL_SHA4_C */
#if defined(POLARSSL_XTEA_C)
if( use_ret == -(POLARSSL_ERR_XTEA_INVALID_INPUT_LENGTH) )
snprintf( buf, buflen, "XTEA - The data input has an invalid length" );
#endif /* POLARSSL_XTEA_C */
if( strlen( buf ) != 0 )
return;
snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret );
}
#else /* POLARSSL_ERROR_C */
#if defined(POLARSSL_ERROR_STRERROR_DUMMY)
#include <string.h>
/*
* Provide an non-function in case POLARSSL_ERROR_C is not defined
*/
void error_strerror( int ret, char *buf, size_t buflen )
{
((void) ret);
if( buflen > 0 )
buf[0] = '\0';
}
#endif /* POLARSSL_ERROR_STRERROR_DUMMY */
#endif /* POLARSSL_ERROR_C */
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