components/openssl: optimize the SSL certification and private key function

1. add inheritance function
2. remove low-level platform unload cert & pkey function
3. optimize the cert load and free function

components/openssl/include/internal/ssl_cert.h

@@ -21,6 +21,15 @@
 
 #include "ssl_types.h"
 
+/**
+ * @brief create a certification object include private key object according to input certification
+ *
+ * @param ic - input certification point
+ *
+ * @return certification object point
+ */
+CERT *__ssl_cert_new(CERT *ic);
+
 /**
  * @brief create a certification object include private key object
  *

components/openssl/include/internal/ssl_methods.h

@@ -69,14 +69,12 @@
 #define IMPLEMENT_X509_METHOD(func_name, \
                 new, \
                 free, \
-                load, \
-                unload) \
+                load) \
     const X509_METHOD* func_name(void) { \
         static const X509_METHOD func_name##_data LOCAL_ATRR = { \
                 new, \
                 free, \
-                load, \
-                unload, \
+                load \
         }; \
         return &func_name##_data; \
     }
@@ -84,14 +82,12 @@
 #define IMPLEMENT_PKEY_METHOD(func_name, \
                 new, \
                 free, \
-                load, \
-                unload) \
+                load) \
     const PKEY_METHOD* func_name(void) { \
         static const PKEY_METHOD func_name##_data LOCAL_ATRR = { \
                 new, \
                 free, \
-                load, \
-                unload, \
+                load \
         }; \
         return &func_name##_data; \
     }

components/openssl/include/internal/ssl_pkey.h

@@ -21,6 +21,15 @@
 
 #include "ssl_types.h"
 
+/**
+ * @brief create a private key object according to input private key
+ *
+ * @param ipk - input private key point
+ *
+ * @return new private key object point
+ */
+EVP_PKEY* __EVP_PKEY_new(EVP_PKEY *ipk);
+
 /**
  * @brief create a private key object
  *

components/openssl/include/internal/ssl_types.h

@@ -196,12 +196,8 @@ struct ssl_st
     /* shut things down(0x01 : sent, 0x02 : received) */
     int shutdown;
 
-    int crt_reload;
-
     CERT *cert;
 
-    int ca_reload;
-
     X509 *client_CA;
 
     SSL_CTX  *ctx;
@@ -274,24 +270,20 @@ struct ssl_method_func_st {
 
 struct x509_method_st {
 
-    int (*x509_new)(X509 *x);
+    int (*x509_new)(X509 *x, X509 *m_x);
 
     void (*x509_free)(X509 *x);
 
     int (*x509_load)(X509 *x, const unsigned char *buf, int len);
-
-    void (*x509_unload)(X509 *x);
 };
 
 struct pkey_method_st {
 
-    int (*pkey_new)(EVP_PKEY *pkey);
+    int (*pkey_new)(EVP_PKEY *pkey, EVP_PKEY *m_pkey);
 
     void (*pkey_free)(EVP_PKEY *pkey);
 
     int (*pkey_load)(EVP_PKEY *pkey, const unsigned char *buf, int len);
-
-    void (*pkey_unload)(EVP_PKEY *pkey);
 };
 
 typedef int (*next_proto_cb)(SSL *ssl, unsigned char **out,

components/openssl/include/internal/ssl_x509.h

@@ -24,6 +24,15 @@
 
 DEFINE_STACK_OF(X509_NAME)
 
+/**
+ * @brief create a X509 certification object according to input X509 certification
+ *
+ * @param ix - input X509 certification point
+ *
+ * @return new X509 certification object point
+ */
+X509* __X509_new(X509 *ix);
+
 /**
  * @brief create a X509 certification object
  *