/* * Error message information * * Copyright (C) 2006-2012, Brainspark B.V. * * This file is part of PolarSSL (http://www.polarssl.org) * Lead Maintainer: Paul Bakker * * 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) #include "polarssl/error.h" #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_BLOWFISH_C) #include "polarssl/blowfish.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_ECP_C) #include "polarssl/ecp.h" #endif #if defined(POLARSSL_ENTROPY_C) #include "polarssl/entropy.h" #endif #if defined(POLARSSL_GCM_C) #include "polarssl/gcm.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_OID_C) #include "polarssl/oid.h" #endif #if defined(POLARSSL_PADLOCK_C) #include "polarssl/padlock.h" #endif #if defined(POLARSSL_PBKDF2_C) #include "polarssl/pbkdf2.h" #endif #if defined(POLARSSL_PEM_C) #include "polarssl/pem.h" #endif #if defined(POLARSSL_PK_C) #include "polarssl/pk.h" #endif #if defined(POLARSSL_PKCS12_C) #include "polarssl/pkcs12.h" #endif #if defined(POLARSSL_PKCS5_C) #include "polarssl/pkcs5.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_SHA256_C) #include "polarssl/sha256.h" #endif #if defined(POLARSSL_SHA512_C) #include "polarssl/sha512.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 #if defined _MSC_VER && !defined snprintf #define snprintf _snprintf #endif void polarssl_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_ECP_C) if( use_ret == -(POLARSSL_ERR_ECP_BAD_INPUT_DATA) ) snprintf( buf, buflen, "ECP - Bad input parameters to function" ); if( use_ret == -(POLARSSL_ERR_ECP_BUFFER_TOO_SMALL) ) snprintf( buf, buflen, "ECP - The buffer is too small to write to" ); if( use_ret == -(POLARSSL_ERR_ECP_GENERIC) ) snprintf( buf, buflen, "ECP - Generic ECP error" ); if( use_ret == -(POLARSSL_ERR_ECP_FEATURE_UNAVAILABLE) ) snprintf( buf, buflen, "ECP - Requested curve not available" ); #endif /* POLARSSL_ECP_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_PK_C) if( use_ret == -(POLARSSL_ERR_PK_MALLOC_FAILED) ) snprintf( buf, buflen, "PK - Memory alloation failed" ); if( use_ret == -(POLARSSL_ERR_PK_TYPE_MISMATCH) ) snprintf( buf, buflen, "PK - Type mismatch, eg attempt to use a RSA key as EC, or to modify key type" ); #endif /* POLARSSL_PK_C */ #if defined(POLARSSL_PKCS12_C) if( use_ret == -(POLARSSL_ERR_PKCS12_BAD_INPUT_DATA) ) snprintf( buf, buflen, "PKCS12 - Bad input parameters to function" ); if( use_ret == -(POLARSSL_ERR_PKCS12_FEATURE_UNAVAILABLE) ) snprintf( buf, buflen, "PKCS12 - Feature not available, e.g. unsupported encryption scheme" ); if( use_ret == -(POLARSSL_ERR_PKCS12_PBE_INVALID_FORMAT) ) snprintf( buf, buflen, "PKCS12 - PBE ASN.1 data not as expected" ); if( use_ret == -(POLARSSL_ERR_PKCS12_PASSWORD_MISMATCH) ) snprintf( buf, buflen, "PKCS12 - Given private key password does not allow for correct decryption" ); #endif /* POLARSSL_PKCS12_C */ #if defined(POLARSSL_PKCS5_C) if( use_ret == -(POLARSSL_ERR_PKCS5_BAD_INPUT_DATA) ) snprintf( buf, buflen, "PKCS5 - Bad input parameters to function" ); if( use_ret == -(POLARSSL_ERR_PKCS5_INVALID_FORMAT) ) snprintf( buf, buflen, "PKCS5 - Unexpected ASN.1 data" ); if( use_ret == -(POLARSSL_ERR_PKCS5_FEATURE_UNAVAILABLE) ) snprintf( buf, buflen, "PKCS5 - Requested encryption or digest alg not available" ); if( use_ret == -(POLARSSL_ERR_PKCS5_PASSWORD_MISMATCH) ) snprintf( buf, buflen, "PKCS5 - Given private key password does not allow for correct decryption" ); #endif /* POLARSSL_PKCS5_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 or pre-shared 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" ); return; } 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_RP) ) snprintf( buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH Read Public" ); if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_CS) ) snprintf( buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed in DHM / ECDH 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" ); if( use_ret == -(POLARSSL_ERR_SSL_HW_ACCEL_FAILED) ) snprintf( buf, buflen, "SSL - Hardware acceleration function returned with error" ); if( use_ret == -(POLARSSL_ERR_SSL_HW_ACCEL_FALLTHROUGH) ) snprintf( buf, buflen, "SSL - Hardware acceleration function skipped / left alone data" ); if( use_ret == -(POLARSSL_ERR_SSL_COMPRESSION_FAILED) ) snprintf( buf, buflen, "SSL - Processing of the compression / decompression failed" ); if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_PROTOCOL_VERSION) ) snprintf( buf, buflen, "SSL - Handshake protocol not within min/max boundaries" ); if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_NEW_SESSION_TICKET) ) snprintf( buf, buflen, "SSL - Processing of the NewSessionTicket handshake message failed" ); if( use_ret == -(POLARSSL_ERR_SSL_SESSION_TICKET_EXPIRED) ) snprintf( buf, buflen, "SSL - Session ticket has expired" ); #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 and EC are 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" ); if( use_ret == -(POLARSSL_ERR_X509_PASSWORD_REQUIRED) ) snprintf( buf, buflen, "X509 - Private key password can't be empty" ); if( use_ret == -(POLARSSL_ERR_X509_PASSWORD_MISMATCH) ) snprintf( buf, buflen, "X509 - Given private key password does not allow for correct decryption" ); if( use_ret == -(POLARSSL_ERR_X509_UNKNOWN_NAMED_CURVE) ) snprintf( buf, buflen, "X509 - Elliptic curve is unsupported (only NIST curves are supported)" ); #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" ); if( use_ret == -(POLARSSL_ERR_ASN1_BUF_TOO_SMALL) ) snprintf( buf, buflen, "ASN1 - Buffer too small when writing ASN.1 data structure" ); #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_BLOWFISH_C) if( use_ret == -(POLARSSL_ERR_BLOWFISH_INVALID_KEY_LENGTH) ) snprintf( buf, buflen, "BLOWFISH - Invalid key length" ); if( use_ret == -(POLARSSL_ERR_BLOWFISH_INVALID_INPUT_LENGTH) ) snprintf( buf, buflen, "BLOWFISH - Invalid data input length" ); #endif /* POLARSSL_BLOWFISH_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_GCM_C) if( use_ret == -(POLARSSL_ERR_GCM_AUTH_FAILED) ) snprintf( buf, buflen, "GCM - Authenticated decryption failed" ); if( use_ret == -(POLARSSL_ERR_GCM_BAD_INPUT) ) snprintf( buf, buflen, "GCM - Bad input parameters to function" ); #endif /* POLARSSL_GCM_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_OID_C) if( use_ret == -(POLARSSL_ERR_OID_NOT_FOUND) ) snprintf( buf, buflen, "OID - OID is not found" ); #endif /* POLARSSL_OID_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_PBKDF2_C) if( use_ret == -(POLARSSL_ERR_PBKDF2_BAD_INPUT_DATA) ) snprintf( buf, buflen, "PBKDF2 - Bad input parameters to function" ); #endif /* POLARSSL_PBKDF2_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_SHA256_C) if( use_ret == -(POLARSSL_ERR_SHA256_FILE_IO_ERROR) ) snprintf( buf, buflen, "SHA256 - Read/write error in file" ); #endif /* POLARSSL_SHA256_C */ #if defined(POLARSSL_SHA512_C) if( use_ret == -(POLARSSL_ERR_SHA512_FILE_IO_ERROR) ) snprintf( buf, buflen, "SHA512 - Read/write error in file" ); #endif /* POLARSSL_SHA512_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 ); } #if defined(POLARSSL_ERROR_STRERROR_BC) void error_strerror( int ret, char *buf, size_t buflen ) { return polarssl_strerror( ret, buf, buflen ); } #endif /* POLARSSL_ERROR_STRERROR_BC */ #else /* POLARSSL_ERROR_C */ #if defined(POLARSSL_ERROR_STRERROR_DUMMY) #include /* * Provide an non-function in case POLARSSL_ERROR_C is not defined */ void polarssl_strerror( int ret, char *buf, size_t buflen ) { ((void) ret); if( buflen > 0 ) buf[0] = '\0'; } #if defined(POLARSSL_ERROR_STRERROR_BC) void error_strerror( int ret, char *buf, size_t buflen ) { return polarssl_strerror( ret, buf, buflen ); } #endif /* POLARSSL_ERROR_STRERROR_BC */ #endif /* POLARSSL_ERROR_STRERROR_DUMMY */ #endif /* POLARSSL_ERROR_C */