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3.8.5
lib/errors.c
692 строки
25 KB
Zoltan Fridrich
Add option to disable RSAES-PKCS1-v1_5
02 апр 2024, 15:25
02 апр 2024, 15:25
10ebc37
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/* * Copyright (C) 2000-2012 Free Software Foundation, Inc. * * Author: Nikos Mavrogiannopoulos * * This file is part of GnuTLS. * * The GnuTLS is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <https://www.gnu.org/licenses/> * */ #include "gnutls_int.h" #include "errors.h" #ifdef STDC_HEADERS #include <stdarg.h> #endif #include "str.h" #define ERROR_ENTRY(desc, name) \ { \ desc, #name, name \ } struct gnutls_error_entry { const char *desc; const char *_name; int number; }; typedef struct gnutls_error_entry gnutls_error_entry; static const gnutls_error_entry error_entries[] = { /* "Short Description", Error code define, critical (0,1) -- 1 in most cases */ ERROR_ENTRY(N_("Could not negotiate a supported cipher suite."), GNUTLS_E_UNKNOWN_CIPHER_SUITE), ERROR_ENTRY(N_("No or insufficient priorities were set."), GNUTLS_E_NO_PRIORITIES_WERE_SET), ERROR_ENTRY(N_("The cipher type is unsupported."), GNUTLS_E_UNKNOWN_CIPHER_TYPE), ERROR_ENTRY(N_("The certificate and the given key do not match."), GNUTLS_E_CERTIFICATE_KEY_MISMATCH), ERROR_ENTRY(N_("Could not negotiate a supported compression method."), GNUTLS_E_UNKNOWN_COMPRESSION_ALGORITHM), ERROR_ENTRY(N_("An unknown public key algorithm was encountered."), GNUTLS_E_UNKNOWN_PK_ALGORITHM), ERROR_ENTRY(N_("An algorithm that is not enabled was negotiated."), GNUTLS_E_UNWANTED_ALGORITHM), ERROR_ENTRY( N_("A packet with illegal or unsupported version was received."), GNUTLS_E_UNSUPPORTED_VERSION_PACKET), ERROR_ENTRY( N_("The Diffie-Hellman prime sent by the server is not acceptable (not long enough)."), GNUTLS_E_DH_PRIME_UNACCEPTABLE), ERROR_ENTRY(N_("Error decoding the received TLS packet."), GNUTLS_E_UNEXPECTED_PACKET_LENGTH), ERROR_ENTRY(N_("A TLS record packet with invalid length was received."), GNUTLS_E_RECORD_OVERFLOW), ERROR_ENTRY(N_("The TLS connection was non-properly terminated."), GNUTLS_E_PREMATURE_TERMINATION), ERROR_ENTRY( N_("The specified session has been invalidated for some reason."), GNUTLS_E_INVALID_SESSION), ERROR_ENTRY(N_("GnuTLS internal error."), GNUTLS_E_INTERNAL_ERROR), ERROR_ENTRY( N_("A connection with inappropriate fallback was attempted."), GNUTLS_E_INAPPROPRIATE_FALLBACK), ERROR_ENTRY(N_("An illegal TLS extension was received."), GNUTLS_E_RECEIVED_ILLEGAL_EXTENSION), ERROR_ENTRY(N_("An required TLS extension was received."), GNUTLS_E_MISSING_EXTENSION), ERROR_ENTRY(N_("A TLS fatal alert has been received."), GNUTLS_E_FATAL_ALERT_RECEIVED), ERROR_ENTRY(N_("An unexpected TLS packet was received."), GNUTLS_E_UNEXPECTED_PACKET), ERROR_ENTRY(N_("Failed to import the key into store."), GNUTLS_E_KEY_IMPORT_FAILED), ERROR_ENTRY( N_("An error was encountered at the TLS Finished packet calculation."), GNUTLS_E_ERROR_IN_FINISHED_PACKET), ERROR_ENTRY(N_("No certificate was found."), GNUTLS_E_NO_CERTIFICATE_FOUND), ERROR_ENTRY(N_("Certificate is required."), GNUTLS_E_CERTIFICATE_REQUIRED), ERROR_ENTRY( N_("The given DSA key is incompatible with the selected TLS protocol."), GNUTLS_E_INCOMPAT_DSA_KEY_WITH_TLS_PROTOCOL), ERROR_ENTRY( N_("There is already a crypto algorithm with lower priority."), GNUTLS_E_CRYPTO_ALREADY_REGISTERED), ERROR_ENTRY(N_("No temporary RSA parameters were found."), GNUTLS_E_NO_TEMPORARY_RSA_PARAMS), ERROR_ENTRY(N_("No temporary DH parameters were found."), GNUTLS_E_NO_TEMPORARY_DH_PARAMS), ERROR_ENTRY(N_("An unexpected TLS handshake packet was received."), GNUTLS_E_UNEXPECTED_HANDSHAKE_PACKET), ERROR_ENTRY(N_("The scanning of a large integer has failed."), GNUTLS_E_MPI_SCAN_FAILED), ERROR_ENTRY(N_("Could not export a large integer."), GNUTLS_E_MPI_PRINT_FAILED), ERROR_ENTRY(N_("Decryption has failed."), GNUTLS_E_DECRYPTION_FAILED), ERROR_ENTRY(N_("Encryption has failed."), GNUTLS_E_ENCRYPTION_FAILED), ERROR_ENTRY(N_("Public key decryption has failed."), GNUTLS_E_PK_DECRYPTION_FAILED), ERROR_ENTRY(N_("Public key encryption has failed."), GNUTLS_E_PK_ENCRYPTION_FAILED), ERROR_ENTRY(N_("Public key signing has failed."), GNUTLS_E_PK_SIGN_FAILED), ERROR_ENTRY(N_("Public key signature verification has failed."), GNUTLS_E_PK_SIG_VERIFY_FAILED), ERROR_ENTRY(N_("Decompression of the TLS record packet has failed."), GNUTLS_E_DECOMPRESSION_FAILED), ERROR_ENTRY(N_("Compression of the TLS record packet has failed."), GNUTLS_E_COMPRESSION_FAILED), ERROR_ENTRY(N_("Internal error in memory allocation."), GNUTLS_E_MEMORY_ERROR), ERROR_ENTRY( N_("An unimplemented or disabled feature has been requested."), GNUTLS_E_UNIMPLEMENTED_FEATURE), ERROR_ENTRY(N_("Insufficient credentials for that request."), GNUTLS_E_INSUFFICIENT_CREDENTIALS), ERROR_ENTRY(N_("Error in password/key file."), GNUTLS_E_SRP_PWD_ERROR), ERROR_ENTRY(N_("Wrong padding in PKCS1 packet."), GNUTLS_E_PKCS1_WRONG_PAD), ERROR_ENTRY(N_("The session or certificate has expired."), GNUTLS_E_EXPIRED), ERROR_ENTRY(N_("The certificate is not yet activated."), GNUTLS_E_NOT_YET_ACTIVATED), ERROR_ENTRY(N_("Hashing has failed."), GNUTLS_E_HASH_FAILED), ERROR_ENTRY(N_("Base64 decoding error."), GNUTLS_E_BASE64_DECODING_ERROR), ERROR_ENTRY(N_("Base64 unexpected header error."), GNUTLS_E_BASE64_UNEXPECTED_HEADER_ERROR), ERROR_ENTRY(N_("Base64 encoding error."), GNUTLS_E_BASE64_ENCODING_ERROR), ERROR_ENTRY(N_("Parsing error in password/key file."), GNUTLS_E_SRP_PWD_PARSING_ERROR), ERROR_ENTRY(N_("The requested data were not available."), GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE), ERROR_ENTRY(N_("There are no embedded data in the structure."), GNUTLS_E_NO_EMBEDDED_DATA), ERROR_ENTRY(N_("Error in the pull function."), GNUTLS_E_PULL_ERROR), ERROR_ENTRY(N_("Error in the push function."), GNUTLS_E_PUSH_ERROR), ERROR_ENTRY( N_("The upper limit of record packet sequence numbers has been reached. Wow!"), GNUTLS_E_RECORD_LIMIT_REACHED), ERROR_ENTRY(N_("Error in the certificate."), GNUTLS_E_CERTIFICATE_ERROR), ERROR_ENTRY(N_("Error in the time fields of certificate."), GNUTLS_E_CERTIFICATE_TIME_ERROR), ERROR_ENTRY(N_("Error in the certificate verification."), GNUTLS_E_CERTIFICATE_VERIFICATION_ERROR), ERROR_ENTRY(N_("Error in the CRL verification."), GNUTLS_E_CRL_VERIFICATION_ERROR), ERROR_ENTRY( N_("Error in the private key verification; seed doesn't match."), GNUTLS_E_PRIVKEY_VERIFICATION_ERROR), ERROR_ENTRY(N_("Could not authenticate peer."), GNUTLS_E_AUTH_ERROR), ERROR_ENTRY(N_("Unknown Subject Alternative name in X.509 certificate."), GNUTLS_E_X509_UNKNOWN_SAN), ERROR_ENTRY( N_("CIDR name constraint is malformed in size or structure."), GNUTLS_E_MALFORMED_CIDR), ERROR_ENTRY(N_("Unsupported critical extension in X.509 certificate."), GNUTLS_E_X509_UNSUPPORTED_CRITICAL_EXTENSION), ERROR_ENTRY(N_("Unsupported extension in X.509 certificate."), GNUTLS_E_X509_UNSUPPORTED_EXTENSION), ERROR_ENTRY(N_("Duplicate extension in X.509 certificate."), GNUTLS_E_X509_DUPLICATE_EXTENSION), ERROR_ENTRY(N_("Key usage violation in certificate has been detected."), GNUTLS_E_KEY_USAGE_VIOLATION), ERROR_ENTRY(N_("Function was interrupted."), GNUTLS_E_INTERRUPTED), ERROR_ENTRY( N_("TLS Application data were received, while expecting handshake data."), GNUTLS_E_GOT_APPLICATION_DATA), ERROR_ENTRY(N_("Error in Database backend."), GNUTLS_E_DB_ERROR), ERROR_ENTRY(N_("The Database entry already exists."), GNUTLS_E_DB_ENTRY_EXISTS), ERROR_ENTRY(N_("The certificate type is not supported."), GNUTLS_E_UNSUPPORTED_CERTIFICATE_TYPE), ERROR_ENTRY( N_("The given memory buffer is too short to hold parameters."), GNUTLS_E_SHORT_MEMORY_BUFFER), ERROR_ENTRY(N_("The request is invalid."), GNUTLS_E_INVALID_REQUEST), ERROR_ENTRY(N_("The cookie was bad."), GNUTLS_E_BAD_COOKIE), ERROR_ENTRY(N_("An illegal parameter has been received."), GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER), ERROR_ENTRY(N_("An illegal parameter was found."), GNUTLS_E_ILLEGAL_PARAMETER), ERROR_ENTRY(N_("Error while reading file."), GNUTLS_E_FILE_ERROR), ERROR_ENTRY(N_("A disallowed SNI server name has been received."), GNUTLS_E_RECEIVED_DISALLOWED_NAME), ERROR_ENTRY(N_("ASN1 parser: Element was not found."), GNUTLS_E_ASN1_ELEMENT_NOT_FOUND), ERROR_ENTRY(N_("ASN1 parser: Identifier was not found"), GNUTLS_E_ASN1_IDENTIFIER_NOT_FOUND), ERROR_ENTRY(N_("ASN1 parser: Error in DER parsing."), GNUTLS_E_ASN1_DER_ERROR), ERROR_ENTRY(N_("ASN1 parser: Value was not found."), GNUTLS_E_ASN1_VALUE_NOT_FOUND), ERROR_ENTRY(N_("ASN1 parser: Generic parsing error."), GNUTLS_E_ASN1_GENERIC_ERROR), ERROR_ENTRY(N_("ASN1 parser: Value is not valid."), GNUTLS_E_ASN1_VALUE_NOT_VALID), ERROR_ENTRY(N_("ASN1 parser: Error in TAG."), GNUTLS_E_ASN1_TAG_ERROR), ERROR_ENTRY(N_("ASN1 parser: error in implicit tag"), GNUTLS_E_ASN1_TAG_IMPLICIT), ERROR_ENTRY(N_("ASN1 parser: Error in type 'ANY'."), GNUTLS_E_ASN1_TYPE_ANY_ERROR), ERROR_ENTRY(N_("ASN1 parser: Syntax error."), GNUTLS_E_ASN1_SYNTAX_ERROR), ERROR_ENTRY(N_("ASN1 parser: Overflow in DER parsing."), GNUTLS_E_ASN1_DER_OVERFLOW), ERROR_ENTRY(N_("Too many empty record packets have been received."), GNUTLS_E_TOO_MANY_EMPTY_PACKETS), ERROR_ENTRY(N_("Too many handshake packets have been received."), GNUTLS_E_TOO_MANY_HANDSHAKE_PACKETS), ERROR_ENTRY(N_("More than a single object matches the criteria."), GNUTLS_E_TOO_MANY_MATCHES), ERROR_ENTRY(N_("The crypto library version is too old."), GNUTLS_E_INCOMPATIBLE_GCRYPT_LIBRARY), ERROR_ENTRY(N_("The tasn1 library version is too old."), GNUTLS_E_INCOMPATIBLE_LIBTASN1_LIBRARY), ERROR_ENTRY(N_("The OpenPGP User ID is revoked."), GNUTLS_E_OPENPGP_UID_REVOKED), ERROR_ENTRY(N_("The OpenPGP key has not a preferred key set."), GNUTLS_E_OPENPGP_PREFERRED_KEY_ERROR), ERROR_ENTRY(N_("Error loading the keyring."), GNUTLS_E_OPENPGP_KEYRING_ERROR), ERROR_ENTRY(N_("The initialization of crypto backend has failed."), GNUTLS_E_CRYPTO_INIT_FAILED), ERROR_ENTRY(N_("No supported compression algorithms have been found."), GNUTLS_E_NO_COMPRESSION_ALGORITHMS), ERROR_ENTRY(N_("No supported cipher suites have been found."), GNUTLS_E_NO_CIPHER_SUITES), ERROR_ENTRY(N_("Could not get OpenPGP key."), GNUTLS_E_OPENPGP_GETKEY_FAILED), ERROR_ENTRY(N_("Could not find OpenPGP subkey."), GNUTLS_E_OPENPGP_SUBKEY_ERROR), ERROR_ENTRY(N_("Safe renegotiation failed."), GNUTLS_E_SAFE_RENEGOTIATION_FAILED), ERROR_ENTRY(N_("Unsafe renegotiation denied."), GNUTLS_E_UNSAFE_RENEGOTIATION_DENIED), ERROR_ENTRY(N_("The SRP username supplied is illegal."), GNUTLS_E_ILLEGAL_SRP_USERNAME), ERROR_ENTRY(N_("The username supplied is unknown."), GNUTLS_E_UNKNOWN_SRP_USERNAME), ERROR_ENTRY(N_("The OpenPGP fingerprint is not supported."), GNUTLS_E_OPENPGP_FINGERPRINT_UNSUPPORTED), ERROR_ENTRY(N_("The signature algorithm is not supported."), GNUTLS_E_UNSUPPORTED_SIGNATURE_ALGORITHM), ERROR_ENTRY(N_("The certificate has unsupported attributes."), GNUTLS_E_X509_UNSUPPORTED_ATTRIBUTE), ERROR_ENTRY(N_("The OID is not supported."), GNUTLS_E_X509_UNSUPPORTED_OID), ERROR_ENTRY(N_("The hash algorithm is unknown."), GNUTLS_E_UNKNOWN_HASH_ALGORITHM), ERROR_ENTRY(N_("The PKCS structure's content type is unknown."), GNUTLS_E_UNKNOWN_PKCS_CONTENT_TYPE), ERROR_ENTRY(N_("The PKCS structure's bag type is unknown."), GNUTLS_E_UNKNOWN_PKCS_BAG_TYPE), ERROR_ENTRY(N_("The given password contains invalid characters."), GNUTLS_E_INVALID_PASSWORD), ERROR_ENTRY(N_("The given string contains invalid UTF-8 characters."), GNUTLS_E_INVALID_UTF8_STRING), ERROR_ENTRY( N_("The given email string contains non-ASCII characters before '@'."), GNUTLS_E_INVALID_UTF8_EMAIL), ERROR_ENTRY(N_("The given password contains invalid characters."), GNUTLS_E_INVALID_PASSWORD_STRING), ERROR_ENTRY(N_("The Message Authentication Code verification failed."), GNUTLS_E_MAC_VERIFY_FAILED), ERROR_ENTRY(N_("Some constraint limits were reached."), GNUTLS_E_CONSTRAINT_ERROR), ERROR_ENTRY(N_("Failed to acquire random data."), GNUTLS_E_RANDOM_FAILED), ERROR_ENTRY(N_("Verifying TLS/IA phase checksum failed"), GNUTLS_E_IA_VERIFY_FAILED), ERROR_ENTRY(N_("The specified algorithm or protocol is unknown."), GNUTLS_E_UNKNOWN_ALGORITHM), ERROR_ENTRY(N_("The handshake data size is too large."), GNUTLS_E_HANDSHAKE_TOO_LARGE), ERROR_ENTRY(N_("Error opening /dev/crypto"), GNUTLS_E_CRYPTODEV_DEVICE_ERROR), ERROR_ENTRY(N_("Error interfacing with /dev/crypto"), GNUTLS_E_CRYPTODEV_IOCTL_ERROR), ERROR_ENTRY(N_("Peer has terminated the connection"), GNUTLS_E_SESSION_EOF), ERROR_ENTRY(N_("Channel binding data not available"), GNUTLS_E_CHANNEL_BINDING_NOT_AVAILABLE), ERROR_ENTRY(N_("TPM error."), GNUTLS_E_TPM_ERROR), ERROR_ENTRY(N_("The TPM library (trousers) cannot be found."), GNUTLS_E_TPM_NO_LIB), ERROR_ENTRY(N_("TPM is not initialized."), GNUTLS_E_TPM_UNINITIALIZED), ERROR_ENTRY(N_("TPM key was not found in persistent storage."), GNUTLS_E_TPM_KEY_NOT_FOUND), ERROR_ENTRY(N_("Cannot initialize a session with the TPM."), GNUTLS_E_TPM_SESSION_ERROR), ERROR_ENTRY(N_("PKCS #11 error."), GNUTLS_E_PKCS11_ERROR), ERROR_ENTRY(N_("PKCS #11 initialization error."), GNUTLS_E_PKCS11_LOAD_ERROR), ERROR_ENTRY(N_("Error in parsing."), GNUTLS_E_PARSING_ERROR), ERROR_ENTRY(N_("Error in provided PIN."), GNUTLS_E_PKCS11_PIN_ERROR), ERROR_ENTRY(N_("Error in provided SRK password for TPM."), GNUTLS_E_TPM_SRK_PASSWORD_ERROR), ERROR_ENTRY( N_("Error in provided password for key to be loaded in TPM."), GNUTLS_E_TPM_KEY_PASSWORD_ERROR), ERROR_ENTRY(N_("PKCS #11 error in slot"), GNUTLS_E_PKCS11_SLOT_ERROR), ERROR_ENTRY(N_("Thread locking error"), GNUTLS_E_LOCKING_ERROR), ERROR_ENTRY(N_("PKCS #11 error in attribute"), GNUTLS_E_PKCS11_ATTRIBUTE_ERROR), ERROR_ENTRY(N_("PKCS #11 error in device"), GNUTLS_E_PKCS11_DEVICE_ERROR), ERROR_ENTRY(N_("PKCS #11 error in data"), GNUTLS_E_PKCS11_DATA_ERROR), ERROR_ENTRY(N_("PKCS #11 unsupported feature"), GNUTLS_E_PKCS11_UNSUPPORTED_FEATURE_ERROR), ERROR_ENTRY(N_("PKCS #11 error in key"), GNUTLS_E_PKCS11_KEY_ERROR), ERROR_ENTRY(N_("PKCS #11 PIN expired"), GNUTLS_E_PKCS11_PIN_EXPIRED), ERROR_ENTRY(N_("PKCS #11 PIN locked"), GNUTLS_E_PKCS11_PIN_LOCKED), ERROR_ENTRY(N_("PKCS #11 error in session"), GNUTLS_E_PKCS11_SESSION_ERROR), ERROR_ENTRY(N_("PKCS #11 error in signature"), GNUTLS_E_PKCS11_SIGNATURE_ERROR), ERROR_ENTRY(N_("PKCS #11 error in token"), GNUTLS_E_PKCS11_TOKEN_ERROR), ERROR_ENTRY(N_("PKCS #11 user error"), GNUTLS_E_PKCS11_USER_ERROR), ERROR_ENTRY(N_("The operation timed out"), GNUTLS_E_TIMEDOUT), ERROR_ENTRY(N_("The operation was cancelled due to user error"), GNUTLS_E_USER_ERROR), ERROR_ENTRY(N_("No supported ECC curves were found"), GNUTLS_E_ECC_NO_SUPPORTED_CURVES), ERROR_ENTRY(N_("The curve is unsupported"), GNUTLS_E_ECC_UNSUPPORTED_CURVE), ERROR_ENTRY(N_("The requested PKCS #11 object is not available"), GNUTLS_E_PKCS11_REQUESTED_OBJECT_NOT_AVAILBLE), ERROR_ENTRY( N_("The provided X.509 certificate list is not sorted (in subject to issuer order)"), GNUTLS_E_CERTIFICATE_LIST_UNSORTED), ERROR_ENTRY(N_("The OCSP response is invalid"), GNUTLS_E_OCSP_RESPONSE_ERROR), ERROR_ENTRY( N_("The OCSP response provided doesn't match the available certificates"), GNUTLS_E_OCSP_MISMATCH_WITH_CERTS), ERROR_ENTRY(N_("There is no certificate status (OCSP)."), GNUTLS_E_NO_CERTIFICATE_STATUS), ERROR_ENTRY(N_("Error in the system's randomness device."), GNUTLS_E_RANDOM_DEVICE_ERROR), ERROR_ENTRY(N_("No common application protocol could be negotiated."), GNUTLS_E_NO_APPLICATION_PROTOCOL), ERROR_ENTRY(N_("Error while performing self checks."), GNUTLS_E_SELF_TEST_ERROR), ERROR_ENTRY(N_("There is no self test for this algorithm."), GNUTLS_E_NO_SELF_TEST), ERROR_ENTRY( N_("An error has been detected in the library and cannot continue operations."), GNUTLS_E_LIB_IN_ERROR_STATE), ERROR_ENTRY(N_("Error in sockets initialization."), GNUTLS_E_SOCKETS_INIT_ERROR), ERROR_ENTRY(N_("Error in public key generation."), GNUTLS_E_PK_GENERATION_ERROR), ERROR_ENTRY(N_("Invalid TLS extensions length field."), GNUTLS_E_UNEXPECTED_EXTENSIONS_LENGTH), ERROR_ENTRY( N_("Peer's certificate or username has changed during a rehandshake."), GNUTLS_E_SESSION_USER_ID_CHANGED), ERROR_ENTRY(N_("The provided string has an embedded null."), GNUTLS_E_ASN1_EMBEDDED_NULL_IN_STRING), ERROR_ENTRY(N_("Attempted handshake during false start."), GNUTLS_E_HANDSHAKE_DURING_FALSE_START), ERROR_ENTRY(N_("The SNI host name not recognised."), GNUTLS_E_UNRECOGNIZED_NAME), ERROR_ENTRY(N_("There was an issue converting to or from UTF8."), GNUTLS_E_IDNA_ERROR), ERROR_ENTRY( N_("Cannot perform this action while handshake is in progress."), GNUTLS_E_UNAVAILABLE_DURING_HANDSHAKE), ERROR_ENTRY(N_("The public key is invalid."), GNUTLS_E_PK_INVALID_PUBKEY), ERROR_ENTRY(N_("There are no validation parameters present."), GNUTLS_E_PK_NO_VALIDATION_PARAMS), ERROR_ENTRY(N_("The public key parameters are invalid."), GNUTLS_E_PK_INVALID_PUBKEY_PARAMS), ERROR_ENTRY(N_("The private key is invalid."), GNUTLS_E_PK_INVALID_PRIVKEY), ERROR_ENTRY(N_("The DER time encoding is invalid."), GNUTLS_E_ASN1_TIME_ERROR), ERROR_ENTRY(N_("The signature is incompatible with the public key."), GNUTLS_E_INCOMPATIBLE_SIG_WITH_KEY), ERROR_ENTRY( N_("One of the involved algorithms has insufficient security level."), GNUTLS_E_INSUFFICIENT_SECURITY), ERROR_ENTRY(N_("No common key share with peer."), GNUTLS_E_NO_COMMON_KEY_SHARE), ERROR_ENTRY(N_("The early data were rejected."), GNUTLS_E_EARLY_DATA_REJECTED), ERROR_ENTRY(N_("The encryption algorithm is not supported."), GNUTLS_E_UNSUPPORTED_ENCRYPTION_ALGORITHM), { NULL, NULL, 0 } }; static const gnutls_error_entry non_fatal_error_entries[] = { ERROR_ENTRY(N_("Success."), GNUTLS_E_SUCCESS), ERROR_ENTRY(N_("A TLS warning alert has been received."), GNUTLS_E_WARNING_ALERT_RECEIVED), ERROR_ENTRY(N_("A heartbeat pong message was received."), GNUTLS_E_HEARTBEAT_PONG_RECEIVED), ERROR_ENTRY(N_("A heartbeat ping message was received."), GNUTLS_E_HEARTBEAT_PING_RECEIVED), ERROR_ENTRY(N_("Resource temporarily unavailable, try again."), GNUTLS_E_AGAIN), ERROR_ENTRY(N_("The transmitted packet is too large (EMSGSIZE)."), GNUTLS_E_LARGE_PACKET), ERROR_ENTRY(N_("Function was interrupted."), GNUTLS_E_INTERRUPTED), ERROR_ENTRY(N_("Rehandshake was requested by the peer."), GNUTLS_E_REHANDSHAKE), ERROR_ENTRY(N_("Re-authentication was requested by the peer."), GNUTLS_E_REAUTH_REQUEST), /* Only non fatal (for handshake) errors here */ { NULL, NULL, 0 } }; /** * gnutls_error_is_fatal: * @error: is a GnuTLS error code, a negative error code * * If a GnuTLS function returns a negative error code you may feed that * value to this function to see if the error condition is fatal to * a TLS session (i.e., must be terminated). * * Note that you may also want to check the error code manually, since some * non-fatal errors to the protocol (such as a warning alert or * a rehandshake request) may be fatal for your program. * * This function is only useful if you are dealing with errors from * functions that relate to a TLS session (e.g., record layer or handshake * layer handling functions). * * Returns: Non-zero value on fatal errors or zero on non-fatal. **/ int gnutls_error_is_fatal(int error) { int ret = 1; const gnutls_error_entry *p; /* Input sanitzation. Positive values are not errors at all, and definitely not fatal. */ if (error > 0) return 0; for (p = non_fatal_error_entries; p->desc != NULL; p++) { if (p->number == error) { ret = 0; break; } } return ret; } /** * gnutls_perror: * @error: is a GnuTLS error code, a negative error code * * This function is like perror(). The only difference is that it * accepts an error number returned by a gnutls function. **/ void gnutls_perror(int error) { fprintf(stderr, "GnuTLS error: %s\n", gnutls_strerror(error)); } /** * gnutls_strerror: * @error: is a GnuTLS error code, a negative error code * * This function is similar to strerror. The difference is that it * accepts an error number returned by a gnutls function; In case of * an unknown error a descriptive string is sent instead of %NULL. * * Error codes are always a negative error code. * * Returns: A string explaining the GnuTLS error message. **/ const char *gnutls_strerror(int error) { const char *ret = NULL; const gnutls_error_entry *p; for (p = error_entries; p->desc != NULL; p++) { if (p->number == error) { ret = p->desc; break; } } if (ret == NULL) { for (p = non_fatal_error_entries; p->desc != NULL; p++) { if (p->number == error) { ret = p->desc; break; } } } /* avoid prefix */ if (ret == NULL) return _("(unknown error code)"); return _(ret); } /** * gnutls_strerror_name: * @error: is an error returned by a gnutls function. * * Return the GnuTLS error code define as a string. For example, * gnutls_strerror_name (GNUTLS_E_DH_PRIME_UNACCEPTABLE) will return * the string "GNUTLS_E_DH_PRIME_UNACCEPTABLE". * * Returns: A string corresponding to the symbol name of the error * code. * * Since: 2.6.0 **/ const char *gnutls_strerror_name(int error) { const char *ret = NULL; const gnutls_error_entry *p; for (p = error_entries; p->desc != NULL; p++) { if (p->number == error) { ret = p->_name; break; } } if (ret == NULL) { for (p = non_fatal_error_entries; p->desc != NULL; p++) { if (p->number == error) { ret = p->_name; break; } } } return ret; } void _gnutls_mpi_log(const char *prefix, bigint_t a) { size_t binlen = 0; void *binbuf; size_t hexlen; char *hexbuf; int res; if (_gnutls_log_level < 2) return; res = _gnutls_mpi_print(a, NULL, &binlen); if (res < 0 && res != GNUTLS_E_SHORT_MEMORY_BUFFER) { gnutls_assert(); _gnutls_hard_log("MPI: %s can't print value (%d/%d)\n", prefix, res, (int)binlen); return; } if (binlen > 1024 * 1024) { gnutls_assert(); _gnutls_hard_log("MPI: %s too large mpi (%d)\n", prefix, (int)binlen); return; } binbuf = gnutls_malloc(binlen); if (!binbuf) { gnutls_assert(); _gnutls_hard_log("MPI: %s out of memory (%d)\n", prefix, (int)binlen); return; } res = _gnutls_mpi_print(a, binbuf, &binlen); if (res != 0) { gnutls_assert(); _gnutls_hard_log("MPI: %s can't print value (%d/%d)\n", prefix, res, (int)binlen); gnutls_free(binbuf); return; } hexlen = 2 * binlen + 1; hexbuf = gnutls_malloc(hexlen); if (!hexbuf) { gnutls_assert(); _gnutls_hard_log("MPI: %s out of memory (hex %d)\n", prefix, (int)hexlen); gnutls_free(binbuf); return; } _gnutls_bin2hex(binbuf, binlen, hexbuf, hexlen, NULL); _gnutls_hard_log("MPI: length: %d\n\t%s%s\n", (int)binlen, prefix, hexbuf); gnutls_free(hexbuf); gnutls_free(binbuf); } /* this function will output a message using the * caller provided function */ void _gnutls_log(int level, const char *fmt, ...) { va_list args; char *str; int ret; if (_gnutls_log_func == NULL) return; va_start(args, fmt); ret = vasprintf(&str, fmt, args); va_end(args); if (ret >= 0) { _gnutls_log_func(level, str); free(str); } } void _gnutls_audit_log(gnutls_session_t session, const char *fmt, ...) { va_list args; char *str; int ret; if (_gnutls_audit_log_func == NULL && _gnutls_log_func == NULL) return; va_start(args, fmt); ret = vasprintf(&str, fmt, args); va_end(args); if (ret >= 0) { if (_gnutls_audit_log_func) _gnutls_audit_log_func(session, str); else _gnutls_log_func(1, str); free(str); } } #ifndef DEBUG #ifndef C99_MACROS /* Without C99 macros these functions have to * be called. This may affect performance. */ void _gnutls_null_log(void *x, ...) { return; } #endif /* C99_MACROS */ #endif /* DEBUG */