commit d40a715bd6052e4ae1cc06127d77a205b82393f9
Author: Tristan B. Kildaire <deavmi@redxen.eu>
Date:   Sun Jul 18 18:46:08 2021 +0200

    Lost my commits
    
    Initial commit here (fucking Linux froze)

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..253352d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,15 @@
+.dub
+docs.json
+__dummy.html
+docs/
+/libtun
+libtun.so
+libtun.dylib
+libtun.dll
+libtun.a
+libtun.lib
+libtun-test-*
+*.exe
+*.o
+*.obj
+*.lst
diff --git a/dub.json b/dub.json
new file mode 100644
index 0000000..04e82c4
--- /dev/null
+++ b/dub.json
@@ -0,0 +1,12 @@
+{
+	"authors": [
+		"Tristan B. Kildaire"
+	],
+	"copyright": "Copyright © 2021, Tristan B. Kildaire",
+	"description": "TUN adapter for D",
+	"license": "GPLv3",
+	"name": "libtun",
+	"targetType": "executable",
+	"preBuildCommands": ["gcc source/libtun/tunctl.c -o tunctl.o -c"],
+	"lflags": ["tunctl.o"]
+}
\ No newline at end of file
diff --git a/dub.selections.json b/dub.selections.json
new file mode 100644
index 0000000..322586b
--- /dev/null
+++ b/dub.selections.json
@@ -0,0 +1,5 @@
+{
+	"fileVersion": 1,
+	"versions": {
+	}
+}
diff --git a/source/app.d b/source/app.d
new file mode 100644
index 0000000..741a370
--- /dev/null
+++ b/source/app.d
@@ -0,0 +1,9 @@
+import std.stdio;
+
+import libtun.adapter;
+
+void main()
+{
+	writeln("Edit source/app.d to start your project.");
+	new TUNAdapter("");
+}
diff --git a/source/libtun/adapter.d b/source/libtun/adapter.d
new file mode 100644
index 0000000..916934d
--- /dev/null
+++ b/source/libtun/adapter.d
@@ -0,0 +1,40 @@
+module libtun.adapter;
+
+extern (C) int ioctl(int fd, ulong request, void* data);
+extern (C) int open(char* path, int flags);
+
+import std.stdio;
+import core.stdc.stdio;
+
+/**
+* TUN maintenance routines in `test.c`
+*/
+extern (C) int createTun(char* interafce);
+extern (C) int destroyTun(int fd);
+
+public class TUNAdapter
+{
+    this(string interfaceName)
+    {
+        init();
+    }
+
+    private void init()
+    {
+        int tunFD = open(cast(char*)"/dev/net/tun", _F_RDWR);
+        writeln(tunFD);
+        writeln(createTun(cast(char*)""));
+        writeln(destroyTun(1));
+        ioctl(0,0,cast(void*)0);
+    }
+
+    public void receive(byte[] buffer)
+    {
+
+    }
+
+    public void send(byte[] buffer)
+    {
+
+    }
+}
\ No newline at end of file
diff --git a/source/libtun/tunctl.c b/source/libtun/tunctl.c
new file mode 100644
index 0000000..cdb0c8d
--- /dev/null
+++ b/source/libtun/tunctl.c
@@ -0,0 +1,32 @@
+/**
+* This module is used just to interface between the Linux
+* kernel (via GLIBC) such that the tun adpater can be setup
+* and destroyed
+*
+* `int createTun(char* interfaceName)`
+*   - This creates a tun interface with the provided name
+*   - and returns the fd
+* `int destroyTun(int fd)`
+*   - This destroys the tun interface given
+*
+* Once we have the fd everything else can be done in D
+* as we just read()/write() on the returned fd we got
+* using `createTun`
+*/
+
+#include<linux/if.h>
+#include<linux/if_tun.h>
+#include<fcntl.h>
+
+int createTun(char* interfaceName)
+{
+    /* TODO: Add all required error checking */
+    int tunFD = open("/dev/net/tun", O_RDWR);
+    return 69;
+}
+
+int destroyTun(int fd)
+{
+    return 68;
+}
+