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SqMod/vendor/CivetWeb/wolfssl_extras.inl

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/* Additional defines for WolfSSL, see
* https://github.com/civetweb/civetweb/issues/583 */
/* Required for WOLFSSL_X509 */
#include <openssl/../internal.h>
#define i2d_X509 cw_i2d_X509
#define EVP_Digest cw_EVP_Digest
/* i2d_X509 has no valid implementation in wolfssl
*
* The letters i and d in for example i2d_X509 stand for "internal" (that is an
*internal C structure)
* and " DER ". So that i2d_X509 converts from internal to DER.
*
* For OpenSSL 0.9.7 and later if *out is NULL memory will be allocated for a
*buffer and the encoded
* data written to it. In this case *out is not incremented and it points to the
*start of the data
* just written.
*/
int
cw_i2d_X509(struct WOLFSSL_X509 *x, unsigned char **out)
{
if (!x || !x->derCert) {
return -1;
}
const int ret = (int)x->derCert->length;
if (out && (ret > 0)) {
if (*out == NULL) {
*out = mg_malloc(ret);
}
if (*out != NULL) {
memcpy(*out, x->derCert->buffer, ret);
}
}
return ret;
}
/* EVP_Digest not in wolfssl */
int
cw_EVP_Digest(const void *data,
size_t count,
unsigned char *md,
unsigned int *size,
const EVP_MD *type,
ENGINE *impl)
{
EVP_MD_CTX *ctx = EVP_MD_CTX_new();
int ret;
if (ctx == NULL)
return 0;
/* EVP_MD_CTX_set_flags(ctx, EVP_MD_CTX_FLAG_ONESHOT); */
ret = EVP_DigestInit_ex(ctx, type, impl)
&& EVP_DigestUpdate(ctx, data, count)
&& EVP_DigestFinal_ex(ctx, md, size);
EVP_MD_CTX_free(ctx);
return ret;
}
/*
* the variable SSL_OP_NO_TLSv1_1 is not defined within the context of
* wolfssl but since the methods using the value are all stubs, we can
* define it arbitrarily and it will not have any consequences
*/
#define SSL_OP_NO_TLSv1_1 (0x10000000L)