* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
*/
#include "eng_int.h"
-#include "asn1_locl.h"
+#include <openssl/evp.h>
+#include "internal/asn1_int.h"
-/* If this symbol is defined then ENGINE_get_pkey_asn1_meth_engine(), the
+/*
+ * If this symbol is defined then ENGINE_get_pkey_asn1_meth_engine(), the
* function that is used by EVP to hook in pkey_asn1_meth code and cache
* defaults (etc), will display brief debugging summaries to stderr with the
- * 'nid'. */
+ * 'nid'.
+ */
/* #define ENGINE_PKEY_ASN1_METH_DEBUG */
static ENGINE_TABLE *pkey_asn1_meth_table = NULL;
void ENGINE_unregister_pkey_asn1_meths(ENGINE *e)
- {
- engine_table_unregister(&pkey_asn1_meth_table, e);
- }
+{
+ engine_table_unregister(&pkey_asn1_meth_table, e);
+}
static void engine_unregister_all_pkey_asn1_meths(void)
- {
- engine_table_cleanup(&pkey_asn1_meth_table);
- }
+{
+ engine_table_cleanup(&pkey_asn1_meth_table);
+}
int ENGINE_register_pkey_asn1_meths(ENGINE *e)
- {
- if(e->pkey_asn1_meths)
- {
- const int *nids;
- int num_nids = e->pkey_asn1_meths(e, NULL, &nids, 0);
- if(num_nids > 0)
- return engine_table_register(&pkey_asn1_meth_table,
- engine_unregister_all_pkey_asn1_meths, e, nids,
- num_nids, 0);
- }
- return 1;
- }
+{
+ if (e->pkey_asn1_meths) {
+ const int *nids;
+ int num_nids = e->pkey_asn1_meths(e, NULL, &nids, 0);
+ if (num_nids > 0)
+ return engine_table_register(&pkey_asn1_meth_table,
+ engine_unregister_all_pkey_asn1_meths,
+ e, nids, num_nids, 0);
+ }
+ return 1;
+}
void ENGINE_register_all_pkey_asn1_meths(void)
- {
- ENGINE *e;
+{
+ ENGINE *e;
- for(e=ENGINE_get_first() ; e ; e=ENGINE_get_next(e))
- ENGINE_register_pkey_asn1_meths(e);
- }
+ for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e))
+ ENGINE_register_pkey_asn1_meths(e);
+}
int ENGINE_set_default_pkey_asn1_meths(ENGINE *e)
- {
- if(e->pkey_asn1_meths)
- {
- const int *nids;
- int num_nids = e->pkey_asn1_meths(e, NULL, &nids, 0);
- if(num_nids > 0)
- return engine_table_register(&pkey_asn1_meth_table,
- engine_unregister_all_pkey_asn1_meths, e, nids,
- num_nids, 1);
- }
- return 1;
- }
-
-/* Exposed API function to get a functional reference from the implementation
+{
+ if (e->pkey_asn1_meths) {
+ const int *nids;
+ int num_nids = e->pkey_asn1_meths(e, NULL, &nids, 0);
+ if (num_nids > 0)
+ return engine_table_register(&pkey_asn1_meth_table,
+ engine_unregister_all_pkey_asn1_meths,
+ e, nids, num_nids, 1);
+ }
+ return 1;
+}
+
+/*
+ * Exposed API function to get a functional reference from the implementation
* table (ie. try to get a functional reference from the tabled structural
- * references) for a given pkey_asn1_meth 'nid' */
+ * references) for a given pkey_asn1_meth 'nid'
+ */
ENGINE *ENGINE_get_pkey_asn1_meth_engine(int nid)
- {
- return engine_table_select(&pkey_asn1_meth_table, nid);
- }
+{
+ return engine_table_select(&pkey_asn1_meth_table, nid);
+}
-/* Obtains a pkey_asn1_meth implementation from an ENGINE functional reference */
+/*
+ * Obtains a pkey_asn1_meth implementation from an ENGINE functional
+ * reference
+ */
const EVP_PKEY_ASN1_METHOD *ENGINE_get_pkey_asn1_meth(ENGINE *e, int nid)
- {
- EVP_PKEY_ASN1_METHOD *ret;
- ENGINE_PKEY_ASN1_METHS_PTR fn = ENGINE_get_pkey_asn1_meths(e);
- if(!fn || !fn(e, &ret, NULL, nid))
- {
- ENGINEerr(ENGINE_F_ENGINE_GET_PKEY_ASN1_METH,
- ENGINE_R_UNIMPLEMENTED_PUBLIC_KEY_METHOD);
- return NULL;
- }
- return ret;
- }
+{
+ EVP_PKEY_ASN1_METHOD *ret;
+ ENGINE_PKEY_ASN1_METHS_PTR fn = ENGINE_get_pkey_asn1_meths(e);
+ if (!fn || !fn(e, &ret, NULL, nid)) {
+ ENGINEerr(ENGINE_F_ENGINE_GET_PKEY_ASN1_METH,
+ ENGINE_R_UNIMPLEMENTED_PUBLIC_KEY_METHOD);
+ return NULL;
+ }
+ return ret;
+}
/* Gets the pkey_asn1_meth callback from an ENGINE structure */
ENGINE_PKEY_ASN1_METHS_PTR ENGINE_get_pkey_asn1_meths(const ENGINE *e)
- {
- return e->pkey_asn1_meths;
- }
+{
+ return e->pkey_asn1_meths;
+}
/* Sets the pkey_asn1_meth callback in an ENGINE structure */
int ENGINE_set_pkey_asn1_meths(ENGINE *e, ENGINE_PKEY_ASN1_METHS_PTR f)
- {
- e->pkey_asn1_meths = f;
- return 1;
- }
+{
+ e->pkey_asn1_meths = f;
+ return 1;
+}
-/* Internal function to free up EVP_PKEY_ASN1_METHOD structures before an
+/*
+ * Internal function to free up EVP_PKEY_ASN1_METHOD structures before an
* ENGINE is destroyed
*/
void engine_pkey_asn1_meths_free(ENGINE *e)
- {
- int i;
- EVP_PKEY_ASN1_METHOD *pkm;
- if (e->pkey_asn1_meths)
- {
- const int *pknids;
- int npknids;
- npknids = e->pkey_asn1_meths(e, NULL, &pknids, 0);
- for (i = 0; i < npknids; i++)
- {
- if (e->pkey_asn1_meths(e, &pkm, NULL, pknids[i]))
- {
- EVP_PKEY_asn1_free(pkm);
- }
- }
- }
- }
-
-/* Find a method based on a string. This does a linear search through
- * all implemented algorithms. This is OK in practice because only
- * a small number of algorithms are likely to be implemented in an engine
- * and it is not used for speed critical operations.
+{
+ int i;
+ EVP_PKEY_ASN1_METHOD *pkm;
+ if (e->pkey_asn1_meths) {
+ const int *pknids;
+ int npknids;
+ npknids = e->pkey_asn1_meths(e, NULL, &pknids, 0);
+ for (i = 0; i < npknids; i++) {
+ if (e->pkey_asn1_meths(e, &pkm, NULL, pknids[i])) {
+ EVP_PKEY_asn1_free(pkm);
+ }
+ }
+ }
+}
+
+/*
+ * Find a method based on a string. This does a linear search through all
+ * implemented algorithms. This is OK in practice because only a small number
+ * of algorithms are likely to be implemented in an engine and it is not used
+ * for speed critical operations.
*/
const EVP_PKEY_ASN1_METHOD *ENGINE_get_pkey_asn1_meth_str(ENGINE *e,
- const char *str, int len)
- {
- int i, nidcount;
- const int *nids;
- EVP_PKEY_ASN1_METHOD *ameth;
- if (!e->pkey_asn1_meths)
- return NULL;
- if (len == -1)
- len = strlen(str);
- nidcount = e->pkey_asn1_meths(e, NULL, &nids, 0);
- for (i = 0; i < nidcount; i++)
- {
- e->pkey_asn1_meths(e, &ameth, NULL, nids[i]);
- if (((int)strlen(ameth->pem_str) == len) &&
- !strncasecmp(ameth->pem_str, str, len))
- return ameth;
- }
- return NULL;
- }
+ const char *str,
+ int len)
+{
+ int i, nidcount;
+ const int *nids;
+ EVP_PKEY_ASN1_METHOD *ameth;
+ if (!e->pkey_asn1_meths)
+ return NULL;
+ if (len == -1)
+ len = strlen(str);
+ nidcount = e->pkey_asn1_meths(e, NULL, &nids, 0);
+ for (i = 0; i < nidcount; i++) {
+ e->pkey_asn1_meths(e, &ameth, NULL, nids[i]);
+ if (((int)strlen(ameth->pem_str) == len)
+ && strncasecmp(ameth->pem_str, str, len) == 0)
+ return ameth;
+ }
+ return NULL;
+}
+
+typedef struct {
+ ENGINE *e;
+ const EVP_PKEY_ASN1_METHOD *ameth;
+ const char *str;
+ int len;
+} ENGINE_FIND_STR;
+
+static void look_str_cb(int nid, STACK_OF(ENGINE) *sk, ENGINE *def, void *arg)
+{
+ ENGINE_FIND_STR *lk = arg;
+ int i;
+ if (lk->ameth)
+ return;
+ for (i = 0; i < sk_ENGINE_num(sk); i++) {
+ ENGINE *e = sk_ENGINE_value(sk, i);
+ EVP_PKEY_ASN1_METHOD *ameth;
+ e->pkey_asn1_meths(e, &ameth, NULL, nid);
+ if (((int)strlen(ameth->pem_str) == lk->len)
+ && strncasecmp(ameth->pem_str, lk->str, lk->len) == 0) {
+ lk->e = e;
+ lk->ameth = ameth;
+ return;
+ }
+ }
+}
+
+const EVP_PKEY_ASN1_METHOD *ENGINE_pkey_asn1_find_str(ENGINE **pe,
+ const char *str,
+ int len)
+{
+ ENGINE_FIND_STR fstr;
+ fstr.e = NULL;
+ fstr.ameth = NULL;
+ fstr.str = str;
+ fstr.len = len;
+ CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+ engine_table_doall(pkey_asn1_meth_table, look_str_cb, &fstr);
+ /* If found obtain a structural reference to engine */
+ if (fstr.e) {
+ fstr.e->struct_ref++;
+ engine_ref_debug(fstr.e, 0, 1)
+ }
+ *pe = fstr.e;
+ CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+ return fstr.ameth;
+}
projects / openssl.git / blobdiff