Lost my commits

Initial commit here (fucking Linux froze)

.gitignore

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+.dub
+docs.json
+__dummy.html
+docs/
+/libtun
+libtun.so
+libtun.dylib
+libtun.dll
+libtun.a
+libtun.lib
+libtun-test-*
+*.exe
+*.o
+*.obj
+*.lst

dub.json

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+{
+	"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"]
+}

dub.selections.json

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+{
+	"fileVersion": 1,
+	"versions": {
+	}
+}

source/app.d

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+import std.stdio;
+
+import libtun.adapter;
+
+void main()
+{
+	writeln("Edit source/app.d to start your project.");
+	new TUNAdapter("");
+}

source/libtun/adapter.d

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+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)
+    {
+
+    }
+}

source/libtun/tunctl.c

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+/**
+* 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;
+}
+