*/
#include "eng_int.h"
+#include "asn1_locl.h"
+#include <openssl/evp.h>
-/* 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'. */
+/* 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'. */
/* #define ENGINE_PKEY_ASN1_METH_DEBUG */
static ENGINE_TABLE *pkey_asn1_meth_table = NULL;
return 1;
}
-void ENGINE_register_all_pkey_asn1_meths()
+void ENGINE_register_all_pkey_asn1_meths(void)
{
ENGINE *e;
}
}
}
+
+/* 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;
+ }
+
+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))
+ {
+ 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;
+ }