/*

 * Copyright (C) the libgit2 contributors. All rights reserved.

 *

 * This file is part of libgit2, distributed under the GNU GPL v2 with

 * a Linking Exception. For full terms see the included COPYING file.

 */

#ifndef INCLUDE_openssl_stream_h__

#define INCLUDE_openssl_stream_h__

#include "git2/sys/stream.h"

extern int git_openssl_stream_global_init(void);

extern int git_openssl_stream_new(git_stream **out, const char *host, const char *port);

/*

 * OpenSSL 1.1 made BIO opaque so we have to use functions to interact with it

 * which do not exist in previous versions. We define these inline functions so

 * we can program against the interface instead of littering the implementation

 * with ifdefs.

 */

#ifdef GIT_OPENSSL

# include <openssl/ssl.h>

# include <openssl/err.h>

# include <openssl/x509v3.h>

# include <openssl/bio.h>

# if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)

GIT_INLINE(BIO_METHOD*) BIO_meth_new(int type, const char *name)

{

	BIO_METHOD *meth = git__calloc(1, sizeof(BIO_METHOD));

	if (!meth) {

		return NULL;

	}

	meth->type = type;

	meth->name = name;

	return meth;

}

GIT_INLINE(void) BIO_meth_free(BIO_METHOD *biom)

{

	git__free(biom);

}

GIT_INLINE(int) BIO_meth_set_write(BIO_METHOD *biom, int (*write) (BIO *, const char *, int))

{

	biom->bwrite = write;

	return 1;

}

GIT_INLINE(int) BIO_meth_set_read(BIO_METHOD *biom, int (*read) (BIO *, char *, int))

{

	biom->bread = read;

	return 1;

}

GIT_INLINE(int) BIO_meth_set_puts(BIO_METHOD *biom, int (*puts) (BIO *, const char *))

{

	biom->bputs = puts;

	return 1;

}

GIT_INLINE(int) BIO_meth_set_gets(BIO_METHOD *biom, int (*gets) (BIO *, char *, int))

{

	biom->bgets = gets;

	return 1;

}

GIT_INLINE(int) BIO_meth_set_ctrl(BIO_METHOD *biom, long (*ctrl) (BIO *, int, long, void *))

{

	biom->ctrl = ctrl;

	return 1;

}

GIT_INLINE(int) BIO_meth_set_create(BIO_METHOD *biom, int (*create) (BIO *))

{

	biom->create = create;

	return 1;

}

GIT_INLINE(int) BIO_meth_set_destroy(BIO_METHOD *biom, int (*destroy) (BIO *))

{

	biom->destroy = destroy;

	return 1;

}

GIT_INLINE(int) BIO_get_new_index(void)

{

	/* This exists as of 1.1 so before we'd just have 0 */

	return 0;

}

GIT_INLINE(void) BIO_set_init(BIO *b, int init)

{

	b->init = init;

}

GIT_INLINE(void) BIO_set_data(BIO *a, void *ptr)

{

	a->ptr = ptr;

}

GIT_INLINE(void*) BIO_get_data(BIO *a)

{

	return a->ptr;

}

GIT_INLINE(const unsigned char *) ASN1_STRING_get0_data(const ASN1_STRING *x)

{

	return ASN1_STRING_data((ASN1_STRING *)x);

}

# endif // OpenSSL < 1.1

#endif // GIT_OPENSSL

#endif