new certificate attribute get methods

src/openssl.hxx

@@ -286,9 +286,68 @@ namespace openssl {
              c);
         return std::string((char*)c, SHA_DIGEST_LENGTH);
       }
-      //! Get label.
-      std::string label() const {
-        return std::string();
+      //! Get common name.
+      std::string commonName() const {
+        X509_NAME *name(X509_get_subject_name(_x509));
+        ASN1_STRING* cn
+          (X509_NAME_ENTRY_get_data
+           (X509_NAME_get_entry
+            (name, X509_NAME_get_index_by_NID(name, NID_commonName, -1))));
+        return std::string((char*)M_ASN1_STRING_data(cn),
+                           M_ASN1_STRING_length(cn));
+      }
+      //! Get country name.
+      std::string countryName() const {
+        X509_NAME *name(X509_get_subject_name(_x509));
+        ASN1_STRING* cn
+          (X509_NAME_ENTRY_get_data
+           (X509_NAME_get_entry
+            (name, X509_NAME_get_index_by_NID(name, NID_countryName, -1))));
+        return std::string((char*)M_ASN1_STRING_data(cn),
+                           M_ASN1_STRING_length(cn));
+      }
+      //! Get locality name.
+      std::string localityName() const {
+        X509_NAME *name(X509_get_subject_name(_x509));
+        ASN1_STRING* cn
+          (X509_NAME_ENTRY_get_data
+           (X509_NAME_get_entry
+            (name, X509_NAME_get_index_by_NID(name, NID_localityName, -1))));
+        return std::string((char*)M_ASN1_STRING_data(cn),
+                           M_ASN1_STRING_length(cn));
+      }
+      //! Get state or province name.
+      std::string stateOrProvinceName() const {
+        X509_NAME *name(X509_get_subject_name(_x509));
+        ASN1_STRING* cn
+          (X509_NAME_ENTRY_get_data
+           (X509_NAME_get_entry
+            (name, X509_NAME_get_index_by_NID
+             (name, NID_stateOrProvinceName, -1))));
+        return std::string((char*)M_ASN1_STRING_data(cn),
+                           M_ASN1_STRING_length(cn));
+      }
+      //! Get organization name.
+      std::string organizationName() const {
+        X509_NAME *name(X509_get_subject_name(_x509));
+        ASN1_STRING* cn
+          (X509_NAME_ENTRY_get_data
+           (X509_NAME_get_entry
+            (name, X509_NAME_get_index_by_NID
+             (name, NID_organizationName, -1))));
+        return std::string((char*)M_ASN1_STRING_data(cn),
+                           M_ASN1_STRING_length(cn));
+      }
+      //! Get organizational unit name.
+      std::string organizationalUnitName() const {
+        X509_NAME *name(X509_get_subject_name(_x509));
+        ASN1_STRING* cn
+          (X509_NAME_ENTRY_get_data
+           (X509_NAME_get_entry
+            (name, X509_NAME_get_index_by_NID
+             (name, NID_organizationalUnitName, -1))));
+        return std::string((char*)M_ASN1_STRING_data(cn),
+                           M_ASN1_STRING_length(cn));
       }
     private:
       ::X509* _x509;