boring2/openssl-sys-extras/src/openssl_shim.c

143 lines
3.3 KiB
C

#include <openssl/hmac.h>
#include <openssl/ssl.h>
#include <openssl/dh.h>
#include <openssl/bn.h>
#if defined(__APPLE__) || defined(__linux)
#include<pthread.h>
#include<openssl/crypto.h>
unsigned long thread_id()
{
return (unsigned long) pthread_self();
}
void rust_openssl_set_id_callback() {
CRYPTO_set_id_callback(thread_id);
}
#else
// Openssl already handles Windows directly, so we don't
// need to explicitly set it
void rust_openssl_set_id_callback() {
// We don't know how to set the callback for arbitrary OSes
// Let openssl use its defaults and hope they work.
}
#endif
#if OPENSSL_VERSION_NUMBER < 0x10000000L
// Copied from openssl crypto/hmac/hmac.c
int HMAC_CTX_copy(HMAC_CTX *dctx, HMAC_CTX *sctx)
{
if (!EVP_MD_CTX_copy(&dctx->i_ctx, &sctx->i_ctx))
goto err;
if (!EVP_MD_CTX_copy(&dctx->o_ctx, &sctx->o_ctx))
goto err;
if (!EVP_MD_CTX_copy(&dctx->md_ctx, &sctx->md_ctx))
goto err;
memcpy(dctx->key, sctx->key, HMAC_MAX_MD_CBLOCK);
dctx->key_length = sctx->key_length;
dctx->md = sctx->md;
return 1;
err:
return 0;
}
int HMAC_Init_ex_shim(HMAC_CTX *ctx, const void *key, int key_len, const EVP_MD *md, ENGINE *impl) {
HMAC_Init_ex(ctx, key, key_len, md, impl);
return 1;
}
int HMAC_Update_shim(HMAC_CTX *ctx, const unsigned char *data, int len) {
HMAC_Update(ctx, data, len);
return 1;
}
int HMAC_Final_shim(HMAC_CTX *ctx, unsigned char *md, unsigned int *len) {
HMAC_Final(ctx, md, len);
return 1;
}
#else
int HMAC_Init_ex_shim(HMAC_CTX *ctx, const void *key, int key_len, const EVP_MD *md, ENGINE *impl) {
return HMAC_Init_ex(ctx, key, key_len, md, impl);
}
int HMAC_Update_shim(HMAC_CTX *ctx, const unsigned char *data, int len) {
return HMAC_Update(ctx, data, len);
}
int HMAC_Final_shim(HMAC_CTX *ctx, unsigned char *md, unsigned int *len) {
return HMAC_Final(ctx, md, len);
}
#endif
// shims for OpenSSL macros
int BIO_eof_shim(BIO *b) {
return BIO_eof(b);
}
long BIO_set_nbio_shim(BIO *b, long enabled) {
return BIO_set_nbio(b, enabled);
}
void BIO_set_mem_eof_return_shim(BIO *b, int v) {
BIO_set_mem_eof_return(b, v);
}
long SSL_CTX_set_options_shim(SSL_CTX *ctx, long options) {
return SSL_CTX_set_options(ctx, options);
}
long SSL_CTX_get_options_shim(SSL_CTX *ctx) {
return SSL_CTX_get_options(ctx);
}
long SSL_CTX_clear_options_shim(SSL_CTX *ctx, long options) {
return SSL_CTX_clear_options(ctx, options);
}
long SSL_CTX_add_extra_chain_cert_shim(SSL_CTX *ctx, X509 *x509) {
return SSL_CTX_add_extra_chain_cert(ctx, x509);
}
long SSL_CTX_set_read_ahead_shim(SSL_CTX *ctx, long m) {
return SSL_CTX_set_read_ahead(ctx, m);
}
long SSL_CTX_set_tmp_dh_shim(SSL_CTX *ctx, DH *dh) {
return SSL_CTX_set_tmp_dh(ctx, dh);
}
#if OPENSSL_VERSION_NUMBER >= 0x10002000L
int SSL_CTX_set_ecdh_auto_shim(SSL_CTX *ctx, int onoff) {
return SSL_CTX_set_ecdh_auto(ctx, onoff);
}
#endif
DH *DH_new_from_params(BIGNUM *p, BIGNUM *g, BIGNUM *q) {
DH *dh;
if ((dh = DH_new()) == NULL) {
return NULL;
}
dh->p = p;
dh->g = g;
dh->q = q;
return dh;
}
long SSL_set_tlsext_host_name_shim(SSL *s, char *name) {
return SSL_set_tlsext_host_name(s, name);
}
STACK_OF(X509_EXTENSION) *X509_get_extensions_shim(X509 *x) {
return x->cert_info ? x->cert_info->extensions : NULL;
}