From 811e3a8312f3adb55320081ef93a9c2fa1af176a Mon Sep 17 00:00:00 2001
From: claiff <claiff@mail.ru>
Date: Thu, 20 Oct 2022 13:51:56 +0300
Subject: if auth is disabled, for field is hostname

---
 src/main.cpp                 |  1 -
 src/message/queue_sender.cpp | 36 +++++++++++++++++++++++++++++++++---
 src/message/queue_sender.hpp |  6 +++++-
 src/service/smtp.cpp         |  2 +-
 4 files changed, 39 insertions(+), 6 deletions(-)

diff --git a/src/main.cpp b/src/main.cpp
index cc92f3f..5833ba5 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,5 +1,4 @@
 #include <sdbusplus/asio/connection.hpp>
-
 #include "service/smtp.hpp"
 #include "management/builder/mail.hpp"
 #include "management/builder/settings.hpp"
diff --git a/src/message/queue_sender.cpp b/src/message/queue_sender.cpp
index 8f0172a..9dbc8eb 100644
--- a/src/message/queue_sender.cpp
+++ b/src/message/queue_sender.cpp
@@ -5,12 +5,13 @@ namespace smtp::message
 {
     QueueSender::QueueSender( manage::Settings const& settings_storage,
                              manage::Mail& mail_to,
-                             thread::Queue& message_queue)
+                             thread::Queue& message_queue,
+                             std::shared_ptr<sdbusplus::asio::connection> connection )
         : mSettingsStorage( settings_storage )
         , mMailTo( mail_to )
         , mMessageQueue( message_queue )
+        , mConnection( connection )
     {
-
     }
 
     void QueueSender::SendMessages()
@@ -33,7 +34,36 @@ namespace smtp::message
 
     std::string QueueSender::GetDefaultMailfrom() const
     {
-        return "cp2-5422";
+        static const std::string SERVICE_NAME = "org.freedesktop.hostname1";
+        static const std::string PATH_NAME = "/org/freedesktop/hostname1";
+        static const std::string INTERFACE_NAME = "org.freedesktop.hostname1";
+        static const std::string FUNCTION_NAME = "Hostname";
+        static const std::string PROPERTIES_INTERFACE = "org.freedesktop.DBus.Properties";
+        static const std::string PROPERTIES_GETTER_NAME = "Get";
+        static const std::string DEFAULT_HOST = "cp2-5422";
+
+        std::string result = DEFAULT_HOST;
+
+        mConnection->async_method_call(
+                [&result]( const boost::system::error_code& error_code, std::variant<std::monostate, std::string>& host_name) mutable{
+                    if (error_code.value() == EBADR ||
+                            error_code == boost::system::errc::host_unreachable)
+                    {
+                        return;
+                    }
+                    if (error_code)
+                    {
+                        return;
+                    }
+                    auto host_as_string = std::get_if<std::string>(&host_name);
+                    if(host_as_string)
+                    {
+                        result = *host_as_string;
+                    }
+                },
+                SERVICE_NAME, PATH_NAME, PROPERTIES_INTERFACE, PROPERTIES_GETTER_NAME, INTERFACE_NAME,
+                FUNCTION_NAME);
+        return result;
     }
 
 }
diff --git a/src/message/queue_sender.hpp b/src/message/queue_sender.hpp
index 170ebfc..a5724fb 100644
--- a/src/message/queue_sender.hpp
+++ b/src/message/queue_sender.hpp
@@ -1,5 +1,7 @@
 #pragma once
 
+#include <sdbusplus/asio/connection.hpp>
+
 #include "management/settings.hpp"
 #include "management/mail.hpp"
 #include "thread/queue.hpp"
@@ -11,7 +13,8 @@ namespace smtp::message
     public:
         QueueSender( manage::Settings const& settings_storage,
                      manage::Mail& mail_to,
-                     thread::Queue& message_queue );
+                     thread::Queue& message_queue,
+                     std::shared_ptr<sdbusplus::asio::connection> connection );
         ~QueueSender() = default;
 
         void SendMessages();
@@ -22,5 +25,6 @@ namespace smtp::message
         manage::Settings const& mSettingsStorage;
         manage::Mail& mMailTo;
         thread::Queue& mMessageQueue;
+        std::shared_ptr<sdbusplus::asio::connection> mConnection;
     };
 }
diff --git a/src/service/smtp.cpp b/src/service/smtp.cpp
index 81a3f0d..3c70856 100644
--- a/src/service/smtp.cpp
+++ b/src/service/smtp.cpp
@@ -15,7 +15,7 @@ namespace smtp::service
         CreateSettingsManagerInterface( connection );
         CreateMailManagerInterface( connection );
 
-        message::QueueSender sender{ mSettingsStorage, mMailTo, mMessageQueue };
+        message::QueueSender sender{ mSettingsStorage, mMailTo, mMessageQueue, connection };
         std::thread sender_message( &message::QueueSender::SendMessages, std::move(sender) );
         sender_message.detach();
     }
-- 
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