From 67bfeba1035dedf98d67cb00ea89e550de673aa4 Mon Sep 17 00:00:00 2001
From: Dennis Brentjes <d.brentjes@gmail.com>
Date: Mon, 25 Jan 2021 23:23:42 +0100
Subject: Adds runner and 32-bit-runner to start implementing software
 interrupts.

---
 run/run.cpp | 111 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 run/run.cpp

(limited to 'run/run.cpp')

diff --git a/run/run.cpp b/run/run.cpp
new file mode 100644
index 0000000..2f02a7b
--- /dev/null
+++ b/run/run.cpp
@@ -0,0 +1,111 @@
+#include <distorm.h>
+
+#include <boost/program_options.hpp>
+#include <boost/filesystem.hpp>
+#include <boost/asio.hpp>
+
+#include <iostream>
+#include <fstream>
+
+#include "le_file.hpp"
+#include "le_parse_util.hpp"
+
+#include "common.hpp"
+
+static boost::asio::io_context io_context;
+static le::File file;
+static boost::asio::local::stream_protocol::socket connection_socket(io_context);
+
+static uint32_t message_size;
+
+void action_handler(boost::system::error_code const& error, size_t)
+{
+    if(!error)
+    {
+    }
+
+    io_context.post([](){
+        connection_socket.async_receive(boost::asio::buffer(&message_size, sizeof message_size), 0, action_handler);
+    });
+}
+
+void accept_handler(boost::system::error_code const& error)
+{
+    if(!error)
+    {
+        std::vector<uint8_t> binary = load_binary(file);
+        uint32_t base_address = file.object_table.entries.at(file.le_header.EIP_object).reloc_base_address;
+        uint32_t binary_size = binary.size();
+        BinaryLoadMessage message {
+            .binary_size = binary_size,
+            .base_address = base_address,
+            .eip = file.le_header.EIP + base_address
+        };
+
+        connection_socket.send(boost::asio::buffer(&message, sizeof message));
+        connection_socket.send(boost::asio::buffer(binary, binary.size()));
+
+        io_context.post([](){
+            connection_socket.async_receive(boost::asio::buffer(&message_size, sizeof message_size), 0, action_handler);
+        });
+    }
+}
+
+int main(int argc, char* argv[])
+{
+    boost::program_options::options_description description;
+    description.add_options()
+        ("help,h", "produces this help message")
+        ("exe,e", boost::program_options::value<std::string>(), "The LE executable to parse the header for.")
+    ;
+
+    boost::program_options::variables_map vm;
+    boost::program_options::store(boost::program_options::parse_command_line(argc, argv, description), vm);
+    boost::program_options::notify(vm);
+
+    if(vm.count("help")) {
+        std::cout << description << std::endl;
+        return 0;
+    }
+
+    boost::filesystem::path file_path;
+    if(vm.count("exe")) {
+        std::string exe_file = vm["exe"].as<std::string>();
+
+        if(boost::filesystem::exists(exe_file)) {
+            if(!boost::filesystem::is_directory(exe_file)) {
+                file_path = exe_file;
+            } else {
+                std::cerr << exe_file << " is a folder" << std::endl;
+                std::cerr << std::endl;
+                std::cerr << description << std::endl;
+                return -1;
+            }
+        } else {
+            std::cerr << "file: " << exe_file << " does not exist" << std::endl;
+            std::cerr << std::endl;
+            std::cerr << description << std::endl;
+            return -1;
+        }
+    } else {
+        std::cerr << "Option \"exe_file\" is required";
+        std::cerr << std::endl;
+        std::cerr << description << std::endl;
+        return -1;
+    }
+
+    std::ifstream file_stream(file_path, std::ios::binary);
+    file_stream.unsetf(std::ios::skipws);
+    file = le::parse_file(file_stream);
+
+    boost::filesystem::remove(socket_name);
+
+    boost::asio::local::stream_protocol::endpoint ep(socket_name);
+    boost::asio::local::stream_protocol::acceptor acceptor(io_context, ep);
+    acceptor.async_accept(connection_socket, accept_handler);
+
+    io_context.run();
+
+    boost::filesystem::remove(socket_name);
+    return 0;
+}
-- 
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