# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.

from __future__ import annotations

INCLUDES = """
#include <openssl/err.h>
"""

TYPES = """
static const int CIPHER_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH;

static const int EVP_F_EVP_ENCRYPTFINAL_EX;
static const int EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH;
static const int EVP_R_BAD_DECRYPT;
static const int EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM;
static const int PKCS12_R_PKCS12_CIPHERFINAL_ERROR;
static const int EVP_R_XTS_DUPLICATED_KEYS;

static const int ERR_LIB_EVP;
static const int ERR_LIB_PROV;
static const int ERR_LIB_PKCS12;

static const int SSL_TLSEXT_ERR_OK;
static const int SSL_TLSEXT_ERR_ALERT_FATAL;
static const int SSL_TLSEXT_ERR_NOACK;

static const int SSL_R_UNEXPECTED_EOF_WHILE_READING;

static const int Cryptography_HAS_UNEXPECTED_EOF_WHILE_READING;
"""

FUNCTIONS = """
const char *ERR_lib_error_string(unsigned long);
const char *ERR_func_error_string(unsigned long);
const char *ERR_reason_error_string(unsigned long);
unsigned long ERR_get_error(void);
unsigned long ERR_peek_error(void);
void ERR_clear_error(void);
void ERR_put_error(int, int, int, const char *, int);

int ERR_GET_REASON(unsigned long);
"""

CUSTOMIZATIONS = """
/* This define is tied to provider support and is conditionally
   removed if Cryptography_HAS_PROVIDERS is false */
#ifndef ERR_LIB_PROV
#define ERR_LIB_PROV 0
#endif

#ifndef EVP_R_XTS_DUPLICATED_KEYS
static const int EVP_R_XTS_DUPLICATED_KEYS = 0;
#endif

#if CRYPTOGRAPHY_IS_BORINGSSL
static const int ERR_LIB_PKCS12 = 0;
static const int EVP_F_EVP_ENCRYPTFINAL_EX = 0;
static const int EVP_R_BAD_DECRYPT = 0;
static const int EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH = 0;
static const int EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM = 0;
static const int PKCS12_R_PKCS12_CIPHERFINAL_ERROR = 0;
#else
static const int CIPHER_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH = 0;
#endif

/* SSL_R_UNEXPECTED_EOF_WHILE_READING is needed for pyOpenSSL
   with OpenSSL 3+ */
#if defined(SSL_R_UNEXPECTED_EOF_WHILE_READING)
#define Cryptography_HAS_UNEXPECTED_EOF_WHILE_READING 1
#else
#define Cryptography_HAS_UNEXPECTED_EOF_WHILE_READING 0
#define SSL_R_UNEXPECTED_EOF_WHILE_READING 0
#endif
"""