Type-checked (and modern C compliant) OBJ_bsearch.
[openssl.git] / crypto / asn1 / ameth_lib.c
index a96f1ab28916b2d21ee0fbb4ec571ee09ab07e16..300195bf95c421dfb17387fc2e6e4b8864ed576e 100644 (file)
@@ -68,6 +68,7 @@ extern const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[];
 extern const EVP_PKEY_ASN1_METHOD dsa_asn1_meths[];
 extern const EVP_PKEY_ASN1_METHOD dh_asn1_meth;
 extern const EVP_PKEY_ASN1_METHOD eckey_asn1_meth;
+extern const EVP_PKEY_ASN1_METHOD hmac_asn1_meth;
 
 /* Keep this sorted in type order !! */
 static const EVP_PKEY_ASN1_METHOD *standard_methods[] = 
@@ -87,12 +88,14 @@ static const EVP_PKEY_ASN1_METHOD *standard_methods[] =
        &dsa_asn1_meths[4],
 #endif
 #ifndef OPENSSL_NO_EC
-       &eckey_asn1_meth
+       &eckey_asn1_meth,
 #endif
+       &hmac_asn1_meth
        };
 
 typedef int sk_cmp_fn_type(const char * const *a, const char * const *b);
-static STACK *app_methods = NULL;
+DECLARE_STACK_OF(EVP_PKEY_ASN1_METHOD)
+static STACK_OF(EVP_PKEY_ASN1_METHOD) *app_methods = NULL;
 
 
 
@@ -109,17 +112,23 @@ void main()
        }
 #endif
 
+DECLARE_OBJ_BSEARCH_CMP_FN(EVP_PKEY_ASN1_METHOD *,
+                          const EVP_PKEY_ASN1_METHOD *, ameth_cmp);
+
 static int ameth_cmp(const EVP_PKEY_ASN1_METHOD * const *a,
-                const EVP_PKEY_ASN1_METHOD * const *b)
+                    const EVP_PKEY_ASN1_METHOD * const *b)
        {
         return ((*a)->pkey_id - (*b)->pkey_id);
        }
 
+IMPLEMENT_OBJ_BSEARCH_CMP_FN(EVP_PKEY_ASN1_METHOD *,
+                            const EVP_PKEY_ASN1_METHOD *, ameth_cmp);
+
 int EVP_PKEY_asn1_get_count(void)
        {
        int num = sizeof(standard_methods)/sizeof(EVP_PKEY_ASN1_METHOD *);
        if (app_methods)
-               num += sk_num(app_methods);
+               num += sk_EVP_PKEY_ASN1_METHOD_num(app_methods);
        return num;
        }
 
@@ -131,26 +140,26 @@ const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx)
        if (idx < num)
                return standard_methods[idx];
        idx -= num;
-       return (const EVP_PKEY_ASN1_METHOD *)sk_value(app_methods, idx);
+       return sk_EVP_PKEY_ASN1_METHOD_value(app_methods, idx);
        }
 
 static const EVP_PKEY_ASN1_METHOD *pkey_asn1_find(int type)
        {
-       EVP_PKEY_ASN1_METHOD tmp, *t = &tmp, **ret;
+       EVP_PKEY_ASN1_METHOD tmp, *t = &tmp;
+       const EVP_PKEY_ASN1_METHOD **ret;
        tmp.pkey_id = type;
        if (app_methods)
                {
                int idx;
-               idx = sk_find(app_methods, (char *)&tmp);
+               idx = sk_EVP_PKEY_ASN1_METHOD_find(app_methods, &tmp);
                if (idx >= 0)
-                       return (EVP_PKEY_ASN1_METHOD *)
-                               sk_value(app_methods, idx);
+                       return sk_EVP_PKEY_ASN1_METHOD_value(app_methods, idx);
                }
-       ret = (EVP_PKEY_ASN1_METHOD **) OBJ_bsearch((char *)&t,
-                       (char *)standard_methods,
-                       sizeof(standard_methods)/sizeof(EVP_PKEY_ASN1_METHOD *),
-                       sizeof(EVP_PKEY_ASN1_METHOD *),
-                       (int (*)(const void *, const void *))ameth_cmp);
+       ret = OBJ_bsearch(EVP_PKEY_ASN1_METHOD *, &t,
+                         const EVP_PKEY_ASN1_METHOD *, standard_methods,
+                         sizeof(standard_methods)
+                         /sizeof(EVP_PKEY_ASN1_METHOD *),
+                         ameth_cmp);
        if (!ret || !*ret)
                return NULL;
        return *ret;
@@ -201,20 +210,17 @@ const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe,
                {
 #ifndef OPENSSL_NO_ENGINE
                ENGINE *e;
-               for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e))
+               ameth = ENGINE_pkey_asn1_find_str(&e, str, len);
+               if (ameth)
                        {
-                       ameth = ENGINE_get_pkey_asn1_meth_str(e, str, len);
-                       if (ameth)
-                               {
-                               /* Convert structural into
-                                * functional reference
-                                */
-                               if (!ENGINE_init(e))
-                                       ameth = NULL;
-                               ENGINE_free(e);
-                               *pe = e;
-                               return ameth;
-                               }
+                       /* Convert structural into
+                        * functional reference
+                        */
+                       if (!ENGINE_init(e))
+                               ameth = NULL;
+                       ENGINE_free(e);
+                       *pe = e;
+                       return ameth;
                        }
 #endif
                *pe = NULL;
@@ -235,13 +241,13 @@ int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth)
        {
        if (app_methods == NULL)
                {
-               app_methods = sk_new((sk_cmp_fn_type *)ameth_cmp);
+               app_methods = sk_EVP_PKEY_ASN1_METHOD_new(ameth_cmp);
                if (!app_methods)
                        return 0;
                }
-       if (!sk_push(app_methods, (char *)ameth))
+       if (!sk_EVP_PKEY_ASN1_METHOD_push(app_methods, ameth))
                return 0;
-       sk_sort(app_methods);
+       sk_EVP_PKEY_ASN1_METHOD_sort(app_methods);
        return 1;
        }
 
@@ -274,6 +280,11 @@ int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *ppkey_base_id, int *ppkey_flags,
        return 1;
        }
 
+const EVP_PKEY_ASN1_METHOD* EVP_PKEY_get0_asn1(EVP_PKEY *pkey)
+       {
+       return pkey->ameth;
+       }
+
 EVP_PKEY_ASN1_METHOD* EVP_PKEY_asn1_new(int id, int flags,
                                        const char *pem_str, const char *info)
        {
@@ -299,7 +310,7 @@ EVP_PKEY_ASN1_METHOD* EVP_PKEY_asn1_new(int id, int flags,
                if (!ameth->pem_str)
                        goto err;
                }
-       
+
        ameth->pub_decode = 0;
        ameth->pub_encode = 0;
        ameth->pub_cmp = 0;
@@ -309,6 +320,9 @@ EVP_PKEY_ASN1_METHOD* EVP_PKEY_asn1_new(int id, int flags,
        ameth->priv_encode = 0;
        ameth->priv_print = 0;
 
+       ameth->old_priv_encode = 0;
+       ameth->old_priv_decode = 0;
+
        ameth->pkey_size = 0;
        ameth->pkey_bits = 0;
 
@@ -331,6 +345,37 @@ EVP_PKEY_ASN1_METHOD* EVP_PKEY_asn1_new(int id, int flags,
 
        }
 
+void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst, 
+                       const EVP_PKEY_ASN1_METHOD *src)
+       {
+
+       dst->pub_decode = src->pub_decode;
+       dst->pub_encode = src->pub_encode;
+       dst->pub_cmp = src->pub_cmp;
+       dst->pub_print = src->pub_print;
+
+       dst->priv_decode = src->priv_decode;
+       dst->priv_encode = src->priv_encode;
+       dst->priv_print = src->priv_print;
+
+       dst->old_priv_encode = src->old_priv_encode;
+       dst->old_priv_decode = src->old_priv_decode;
+
+       dst->pkey_size = src->pkey_size;
+       dst->pkey_bits = src->pkey_bits;
+
+       dst->param_decode = src->param_decode;
+       dst->param_encode = src->param_encode;
+       dst->param_missing = src->param_missing;
+       dst->param_copy = src->param_copy;
+       dst->param_cmp = src->param_cmp;
+       dst->param_print = src->param_print;
+
+       dst->pkey_free = src->pkey_free;
+       dst->pkey_ctrl = src->pkey_ctrl;
+
+       }
+
 void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth)
        {
        if (ameth && (ameth->pkey_flags & ASN1_PKEY_DYNAMIC))