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/*
* Copyright (C) Dmitry Volyntsev
* Copyright (C) NGINX, Inc.
*/
#ifndef _NJS_EXTERNAL_OPENSSL_H_INCLUDED_
#define _NJS_EXTERNAL_OPENSSL_H_INCLUDED_
#define OPENSSL_SUPPRESS_DEPRECATED
#include <openssl/bn.h>
#include <openssl/bio.h>
#include <openssl/x509.h>
#include <openssl/evp.h>
#include <openssl/aes.h>
#include <openssl/rsa.h>
#include <openssl/err.h>
#include <openssl/rand.h>
#include <openssl/hmac.h>
#include <openssl/crypto.h>
#ifdef EVP_PKEY_HKDF
#include <openssl/kdf.h>
#endif
#if (defined LIBRESSL_VERSION_NUMBER && OPENSSL_VERSION_NUMBER == 0x20000000L)
#undef OPENSSL_VERSION_NUMBER
#if (LIBRESSL_VERSION_NUMBER >= 0x2080000fL)
#define OPENSSL_VERSION_NUMBER 0x1010000fL
#else
#define OPENSSL_VERSION_NUMBER 0x1000107fL
#endif
#endif
#if (OPENSSL_VERSION_NUMBER >= 0x10100000L)
#define njs_evp_md_ctx_new() EVP_MD_CTX_new()
#define njs_evp_md_ctx_free(_ctx) EVP_MD_CTX_free(_ctx)
#else
#define njs_evp_md_ctx_new() EVP_MD_CTX_create()
#define njs_evp_md_ctx_free(_ctx) EVP_MD_CTX_destroy(_ctx)
#endif
#define njs_bio_new_mem_buf(b, len) BIO_new_mem_buf((void *) b, len)
#if (OPENSSL_VERSION_NUMBER < 0x30000000L && !defined ERR_peek_error_data)
#define ERR_peek_error_data(d, f) ERR_peek_error_line_data(NULL, NULL, d, f)
#endif
njs_inline int
njs_bn_bn2binpad(const BIGNUM *bn, unsigned char *to, int tolen)
{
#if (OPENSSL_VERSION_NUMBER >= 0x10100000L)
return BN_bn2binpad(bn, to, tolen);
#else
int len;
len = BN_num_bytes(bn);
if (tolen > len) {
memset(to, 0, tolen - len);
} else if (tolen < len) {
return -1;
}
return BN_bn2bin(bn, &to[tolen - len]);
#endif
}
njs_inline int
njs_pkey_up_ref(EVP_PKEY *pkey)
{
#if (OPENSSL_VERSION_NUMBER >= 0x10100000L)
return EVP_PKEY_up_ref(pkey);
#else
CRYPTO_add(&pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
return 1;
#endif
}
njs_inline const RSA *
njs_pkey_get_rsa_key(EVP_PKEY *pkey)
{
#if (OPENSSL_VERSION_NUMBER >= 0x10100000L)
return EVP_PKEY_get0_RSA(pkey);
#else
return EVP_PKEY_get0(pkey);
#endif
}
njs_inline void
njs_rsa_get0_key(const RSA *rsa, const BIGNUM **n, const BIGNUM **e,
const BIGNUM **d)
{
#if (OPENSSL_VERSION_NUMBER >= 0x10100000L)
RSA_get0_key(rsa, n, e, d);
#else
if (n != NULL) {
*n = rsa->n;
}
if (e != NULL) {
*e = rsa->e;
}
if (d != NULL) {
*d = rsa->d;
}
#endif
}
njs_inline void
njs_rsa_get0_factors(const RSA *rsa, const BIGNUM **p, const BIGNUM **q)
{
#if (OPENSSL_VERSION_NUMBER >= 0x10100000L)
RSA_get0_factors(rsa, p, q);
#else
if (p != NULL) {
*p = rsa->p;
}
if (q != NULL) {
*q = rsa->q;
}
#endif
}
njs_inline void
njs_rsa_get0_ctr_params(const RSA *rsa, const BIGNUM **dp, const BIGNUM **dq,
const BIGNUM **qi)
{
#if (OPENSSL_VERSION_NUMBER >= 0x10100000L)
RSA_get0_crt_params(rsa, dp, dq, qi);
#else
if (dp != NULL) {
*dp = rsa->dmp1;
}
if (dq != NULL) {
*dq = rsa->dmq1;
}
if (qi != NULL) {
*qi = rsa->iqmp;
}
#endif
}
njs_inline int
njs_rsa_set0_key(RSA *rsa, BIGNUM *n, BIGNUM *e, BIGNUM *d)
{
#if (OPENSSL_VERSION_NUMBER >= 0x10100000L)
return RSA_set0_key(rsa, n, e, d);
#else
if ((rsa->n == NULL && n == NULL) || (rsa->e == NULL && e == NULL)) {
return 0;
}
if (n != NULL) {
BN_free(rsa->n);
rsa->n = n;
}
if (e != NULL) {
BN_free(rsa->e);
rsa->e = e;
}
if (d != NULL) {
BN_clear_free(rsa->d);
rsa->d = d;
BN_set_flags(rsa->d, BN_FLG_CONSTTIME);
}
return 1;
#endif
}
njs_inline int
njs_rsa_set0_factors(RSA *rsa, BIGNUM *p, BIGNUM *q)
{
#if (OPENSSL_VERSION_NUMBER >= 0x10100000L)
return RSA_set0_factors(rsa, p, q);
#else
if ((rsa->p == NULL && p == NULL) || (rsa->q == NULL && q == NULL)) {
return 0;
}
if (p != NULL) {
BN_clear_free(rsa->p);
rsa->p = p;
BN_set_flags(rsa->p, BN_FLG_CONSTTIME);
}
if (q != NULL) {
BN_clear_free(rsa->q);
rsa->q = q;
BN_set_flags(rsa->q, BN_FLG_CONSTTIME);
}
return 1;
#endif
}
njs_inline int
njs_rsa_set0_ctr_params(RSA *rsa, BIGNUM *dp, BIGNUM *dq, BIGNUM *qi)
{
#if (OPENSSL_VERSION_NUMBER >= 0x10100000L)
return RSA_set0_crt_params(rsa, dp, dq, qi);
#else
if ((rsa->dmp1 == NULL && dp == NULL)
|| (rsa->dmq1 == NULL && dq == NULL)
|| (rsa->iqmp == NULL && qi == NULL))
{
return 0;
}
if (dp != NULL) {
BN_clear_free(rsa->dmp1);
rsa->dmp1 = dp;
BN_set_flags(rsa->dmp1, BN_FLG_CONSTTIME);
}
if (dq != NULL) {
BN_clear_free(rsa->dmq1);
rsa->dmq1 = dq;
BN_set_flags(rsa->dmq1, BN_FLG_CONSTTIME);
}
if (qi != NULL) {
BN_clear_free(rsa->iqmp);
rsa->iqmp = qi;
BN_set_flags(rsa->iqmp, BN_FLG_CONSTTIME);
}
return 1;
#endif
}
njs_inline const EC_KEY *
njs_pkey_get_ec_key(EVP_PKEY *pkey)
{
#if (OPENSSL_VERSION_NUMBER >= 0x10100000L)
return EVP_PKEY_get0_EC_KEY(pkey);
#else
if (pkey->type != EVP_PKEY_EC) {
return NULL;
}
return pkey->pkey.ec;
#endif
}
njs_inline int
njs_ec_group_order_bits(const EC_GROUP *group)
{
#if (OPENSSL_VERSION_NUMBER >= 0x10100000L)
return EC_GROUP_order_bits(group);
#else
int bits;
BIGNUM *order;
order = BN_new();
if (order == NULL) {
return 0;
}
if (EC_GROUP_get_order(group, order, NULL) == 0) {
return 0;
}
bits = BN_num_bits(order);
BN_free(order);
return bits;
#endif
}
njs_inline int
njs_ec_point_get_affine_coordinates(const EC_GROUP *group, const EC_POINT *p,
BIGNUM *x, BIGNUM *y)
{
#if (OPENSSL_VERSION_NUMBER >= 0x10101001L)
return EC_POINT_get_affine_coordinates(group, p, x, y, NULL);
#else
return EC_POINT_get_affine_coordinates_GFp(group, p, x, y, NULL);
#endif
}
njs_inline int
njs_ecdsa_sig_set0(ECDSA_SIG *sig, BIGNUM *r, BIGNUM *s)
{
#if (OPENSSL_VERSION_NUMBER >= 0x10100000L)
return ECDSA_SIG_set0(sig, r, s);
#else
if (r == NULL || s == NULL) {
return 0;
}
BN_clear_free(sig->r);
BN_clear_free(sig->s);
sig->r = r;
sig->s = s;
return 1;
#endif
}
#endif /* _NJS_EXTERNAL_OPENSSL_H_INCLUDED_ */
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