DSO *DSO_new_method(DSO_METHOD *meth)
{
DSO *ret;
if (default_DSO_meth == NULL) {
/*
* We default to DSO_METH_openssl() which in turn defaults to
* stealing the "best available" method. Will fallback to
* DSO_METH_null() in the worst case.
*/
default_DSO_meth = DSO_METHOD_openssl();
}
ret = OPENSSL_zalloc(sizeof(*ret));
if (ret == NULL) {
DSOerr(DSO_F_DSO_NEW_METHOD, ERR_R_MALLOC_FAILURE);
return (NULL);
}
ret->meth_data = sk_void_new_null();
if (ret->meth_data == NULL) {
/* sk_new doesn't generate any errors so we do */
DSOerr(DSO_F_DSO_NEW_METHOD, ERR_R_MALLOC_FAILURE);
OPENSSL_free(ret);
return (NULL);
}
if (meth == NULL)
ret->meth = default_DSO_meth;
else
ret->meth = meth;
ret->references = 1;
if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {
OPENSSL_free(ret);
ret = NULL;
}
return (ret);
}
/*
* For a given CRYPTO_EX_DATA variable, set the value corresponding to a
* particular index in the class used by this variable
*/
int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val)
{
int i;
if (ad->sk == NULL) {
if ((ad->sk = sk_void_new_null()) == NULL) {
CRYPTOerr(CRYPTO_F_CRYPTO_SET_EX_DATA, ERR_R_MALLOC_FAILURE);
return 0;
}
}
for (i = sk_void_num(ad->sk); i <= idx; ++i) {
if (!sk_void_push(ad->sk, NULL)) {
CRYPTOerr(CRYPTO_F_CRYPTO_SET_EX_DATA, ERR_R_MALLOC_FAILURE);
return 0;
}
}
sk_void_set(ad->sk, idx, val);
return 1;
}
DSO *DSO_new_method(DSO_METHOD *meth)
{
DSO *ret;
if (default_DSO_meth == NULL)
/* We default to DSO_METH_openssl() which in turn defaults
* to stealing the "best available" method. Will fallback
* to DSO_METH_null() in the worst case. */
default_DSO_meth = DSO_METHOD_openssl();
ret = calloc(1, sizeof(DSO));
if (ret == NULL) {
DSOerr(DSO_F_DSO_NEW_METHOD, ERR_R_MALLOC_FAILURE);
return NULL;
}
ret->meth_data = sk_void_new_null();
if (ret->meth_data == NULL) {
/* sk_new doesn't generate any errors so we do */
DSOerr(DSO_F_DSO_NEW_METHOD, ERR_R_MALLOC_FAILURE);
free(ret);
return NULL;
}
if (meth == NULL)
ret->meth = default_DSO_meth;
else
ret->meth = meth;
ret->references = 1;
ret->lock = CRYPTO_thread_new();
if (ret->lock == NULL) {
sk_void_free(ret->meth_data);
free(ret);
return NULL;
}
if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {
DSO_free(ret);
ret = NULL;
}
return ret;
}
int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int index, void *val) {
int n, i;
if (ad->sk == NULL) {
ad->sk = sk_void_new_null();
if (ad->sk == NULL) {
OPENSSL_PUT_ERROR(CRYPTO, CRYPTO_set_ex_data, ERR_R_MALLOC_FAILURE);
return 0;
}
}
n = sk_void_num(ad->sk);
/* Add NULL values until the stack is long enough. */
for (i = n; i <= index; i++) {
if (!sk_void_push(ad->sk, NULL)) {
OPENSSL_PUT_ERROR(CRYPTO, CRYPTO_set_ex_data, ERR_R_MALLOC_FAILURE);
return 0;
}
}
sk_void_set(ad->sk, index, val);
return 1;
}
