2 files changed, 94 insertions, 0 deletions
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..2ae0a5f
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module github.com/frostyfalls/wiiload
+
+go 1.23.6
diff --git a/wiiload.go b/wiiload.go
new file mode 100644
index 0000000..a0e7e86
--- /dev/null
+++ b/wiiload.go
@@ -0,0 +1,91 @@
+package main
+
+import (
+	"bytes"
+	"compress/zlib"
+	"encoding/binary"
+	"fmt"
+	"io"
+	"net"
+	"os"
+	"path/filepath"
+)
+
+const (
+	WiiloadVersionMajor = 0
+	WiiloadVersionMinor = 5
+	FileChunkSize       = 1024 * 128
+)
+
+const usage = "usage: wiiload ip_address file_path"
+
+func main() {
+	if len(os.Args) != 3 {
+		fmt.Fprintln(os.Stderr, usage)
+		os.Exit(1)
+	}
+
+	ipAddress := os.Args[1]
+	filePath := os.Args[2]
+
+	file, err := os.Open(filePath)
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+	defer file.Close()
+
+	fileData, err := io.ReadAll(file)
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	var buf bytes.Buffer
+	writer := zlib.NewWriter(&buf)
+
+	_, err = writer.Write(fileData)
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+	err = writer.Close()
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	var compressedFileData = buf.Bytes()
+
+	fileStat, err := file.Stat()
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	fileSize := fileStat.Size()
+
+	conn, err := net.Dial("tcp", ipAddress+":4299")
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+	defer conn.Close()
+
+	conn.Write([]byte("HAXX"))
+	conn.Write([]byte{WiiloadVersionMajor})
+	conn.Write([]byte{WiiloadVersionMinor})
+	binary.Write(conn, binary.BigEndian, uint16(len(filepath.Base(filePath))))
+	binary.Write(conn, binary.BigEndian, uint32(len(compressedFileData)))
+	binary.Write(conn, binary.BigEndian, uint32(fileSize))
+
+	for i := 0; i < len(compressedFileData); i += FileChunkSize {
+		end := i + FileChunkSize
+		if end > len(compressedFileData) {
+			end = len(compressedFileData)
+		}
+		conn.Write(compressedFileData[i:end])
+	}
+
+	conn.Write([]byte(filepath.Base(filePath)))
+}