Add update label name

Password_manager/include/arg_func.h

@@ -18,6 +18,7 @@ enum class Arg
 	Show, // show password for label
 	Error, // error
 	Username, // update username
+	Name, // update label name
 };
 
 Arg get_args(int argc, char** argv, char** label);
@@ -30,6 +31,8 @@ std::optional<LoginInfoPointer> arg_input(Buffer& decrypted_buffer, Buffer& encr
 
 void arg_username(Buffer& decrypted_buffer, Buffer& encrypted_buffer, const char* label, Cryptography& crypto);
 
+void arg_label_name(Buffer& decrypted_buffer, Buffer& encrypted_buffer, const char* label, Cryptography& crypto);
+
 void arg_list(Buffer& decrypted_buffer);
 
 void arg_delete(Buffer& decrypted_buffer, Buffer& encrypted_buffer, const char* label, Cryptography& crypto);

Password_manager/source/arg_func.cpp

@@ -21,6 +21,7 @@ void print_args()
 	printf_s(" -d <label> \t delete password of this label\n");
 	printf_s(" -s <label> \t show password for this label\n");
 	printf_s(" -u <label> \t update username for this label\n");
+	printf_s(" -n <label> \t update label name\n");
 	printf_s(" -l         \t list all labels\n");
 	printf_s(" -p         \t print all passwords\n");
 	printf_s(" -c         \t change master password\n");
@@ -56,6 +57,7 @@ Arg get_args(int argc, char** argv, char** label) {
 	if (!strcmp("-i", argv[1]))	return Arg::Input;
 	if (!strcmp("-s", argv[1])) return Arg::Show;
 	if (!strcmp("-u", argv[1])) return Arg::Username;
+	if (!strcmp("-n", argv[1])) return Arg::Name;
 
 	return Arg::Error;
 }
@@ -153,6 +155,30 @@ void arg_username(Buffer& decrypted_buffer, Buffer& encrypted_buffer, const char
 	encrypted_buffer.save_to_file();
 }
 
+void arg_label_name(Buffer& decrypted_buffer, Buffer& encrypted_buffer, const char* label, Cryptography& crypto)
+{
+	int pass = find_logininfo_in_buffer(decrypted_buffer, label);
+
+	if (pass < 0)
+	{
+		printf_s("LoginInfo not found\n");
+		return;
+	}
+
+	LoginInfoPointer lip = get_logininfo_pointer_from_buffer(decrypted_buffer, pass);
+	std::string password = lip.password;
+	std::string username = lip.username;
+
+	printf_s("Input new label name for %s:", lip.label);
+	std::string name;
+	std::getline(std::cin, name);
+
+	delete_logininfo_from_buffer(decrypted_buffer, pass);
+	add_logininfo_to_buffer(decrypted_buffer, name.c_str(), username.c_str(), password.c_str());
+	crypto.encrypt(&decrypted_buffer, &encrypted_buffer);
+	encrypted_buffer.save_to_file();
+}
+
 void arg_list(Buffer& decrypted_buffer)
 {
 	Index* index = (Index*)decrypted_buffer.buffer;

Password_manager/source/main.cpp

@@ -64,6 +64,10 @@ int main()
 		arg_username(decrypted_buffer, encrypted_buffer, label, crypto);
 		break;
 
+	case Arg::Name:
+		arg_label_name(decrypted_buffer, encrypted_buffer, label, crypto);
+		break;
+
 	case Arg::Change:
 		arg_change(decrypted_buffer, encrypted_buffer, user_pass, crypto);
 		break;
@@ -146,6 +150,10 @@ int main(int argc, char** argv)
 		arg_username(decrypted_buffer, encrypted_buffer, label, crypto);
 		break;
 
+	case Arg::Name:
+		arg_label_name(decrypted_buffer, encrypted_buffer, label, crypto);
+		break;
+
 	case Arg::Change:
 		arg_change(decrypted_buffer, encrypted_buffer, user_pass, crypto);
 		break;