Xbox 360 Pass-through Authentication (#1138)

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Signed-off-by: ImgBotApp <ImgBotHelp@gmail.com>

* Very WIP xbox 360 auth, don't use this for any reason

* Packet size has to be 64

* Fixed a bug with descriptor strings that was causing the xbox 360 security auth to fail

* X360 Auth Working! Need to go over a lot of this code because I sync cores now, a lot of xinput changes, etc.

* Re-enabling printf to figure out what is going wrong with release

DO NOT USE THIS VERSION

* Let's revert some core dependence if that's the issue on release

* Add sync back in and move add-ons to after driver init

* Removing stdio init seems to fix haute42

* Lots of code cleaning. Core0 will always setup() before Core1() so we can remove core1 wait. Added nop to while loop just to add some CPU spice

* Updating TinyUSB to 0.17.0 release from Sept. 2024

* Getting x360 back up to working, fixing some small bugs

* One merge fix for feature data + tud auth data

* Formatting, getting ready for merge

* Last of the formatting!

---------

Signed-off-by: ImgBotApp <ImgBotHelp@gmail.com>
Co-authored-by: ImgBotApp <ImgBotHelp@gmail.com>

headers/drivers/shared/driverhelper.h

@@ -3,14 +3,14 @@
 
 static uint16_t * getStringDescriptor(const char * value, uint8_t index)
 {
-	static uint16_t descriptorStringBuffer[32]; // Max 64 bytes, 31 unicode characters
+	static uint16_t descriptorStringBuffer[128]; // Max 256 bytes, 127 unicode characters
 	size_t charCount;
 	if ( index == 0 ) // language always has a character count of 1
 		charCount = 1;
 	else {
 		charCount = strlen(value);
-		if (charCount > 31)
-			charCount = 31;
+		if (charCount > 127)
+			charCount = 127;
 	}
 	// Fill descriptionStringBuffer[1] .. [32]
 	for (uint8_t i = 0; i < charCount; i++)

headers/drivers/xinput/XInputAuth.h

@@ -6,24 +6,68 @@
 typedef enum {
     auth_idle_state = 0,
     send_auth_console_to_dongle = 1,
-    send_auth_dongle_to_console = 2,
-    wait_auth_console_to_dongle = 3,
-    wait_auth_dongle_to_console = 4,
+    send_auth_dongle_to_console = 2
 } XInputAuthState;
 
-typedef struct {
-    XInputAuthState xboneState;
+class XInputAuthBuffer {
+public:
+    XInputAuthBuffer() {
+        data = nullptr;
+        length = 0;
+    }
+    ~XInputAuthBuffer(){
+        if ( data != nullptr ) {
+            delete [] data;
+        }
+    }
+
+    void setBuffer(uint8_t * inData, uint16_t inLen) {
+        data = new uint8_t[inLen];
+        length = inLen;
+        memcpy(data, inData, inLen);
+    }
+
+    void reset() {
+        if ( data != nullptr ) {
+            delete [] data;
+        }
+        data = nullptr;
+        length = 0;
+    }
 
-    // Console-to-Host e.g. Xbox 360 to MagicBoots
-    bool authCompleted;
+    uint8_t * data;
+    uint16_t length;
+};
+
+#define X360_AUTHLEN_CONSOLE_INIT 34
+#define X360_AUTHLEN_DONGLE_SERIAL 29
+#define X360_AUTHLEN_DONGLE_INIT 46
+#define X360_AUTHLEN_CHALLENGE 22
+
+// We need to keep track of:
+//     Xbox 360 Console Auth Init 34 bytes
+//     Dongle Serial 29 bytes
+//     Console-Dongle Back and Forth 46 bytes & 22 bytes
+typedef struct {
+    XInputAuthState xinputState;
+    uint8_t consoleInitialAuth[X360_AUTHLEN_CONSOLE_INIT]; // Console Init (Keep when Dongle Reboots)
+    uint8_t dongleSerial[X360_AUTHLEN_DONGLE_SERIAL];       // Dongle Serial
+    uint8_t passthruBuffer[X360_AUTHLEN_DONGLE_INIT];     // Back-and-Forth Buffer (46 or 22 bytes)
+    uint8_t passthruBufferLen;      // Length of Passthru (do we need this?)
+    uint8_t passthruBufferID;       // ID of vendor request
+    bool authCompleted = false;
+    bool hasInitAuth = false;
+    bool dongle_ready = false;
 } XInputAuthData;
 
 class XInputAuth : public GPAuthDriver {
 public:
     virtual void initialize();
     virtual bool available();
     void process();
+    XInputAuthData * getAuthData() { return &xinputAuthData; }
 private:
+    XInputAuthData xinputAuthData;
 };
 
 #endif

headers/drivers/xinput/XInputAuthUSBListener.h

@@ -2,22 +2,48 @@
 #define _XINPUTAUTHUSBLISTENER_H_
 
 #include "usblistener.h"
+#include "XInputAuth.h"
+#include "usbhostmanager.h"
+
+#include "drivers/shared/xinput_host.h"
+#include "drivers/xinput/XInputDescriptors.h"
+
+typedef enum {
+    DONGLE_AUTH_IDLE = 0,
+    DONGLE_AUTH_WAIT_STATE
+} DONGLE_AUTH_STATE;
 
 class XInputAuthUSBListener : public USBListener {
 public:
     virtual void setup();
     virtual void mount(uint8_t dev_addr, uint8_t instance, uint8_t const* desc_report, uint16_t desc_len){}
     virtual void xmount(uint8_t dev_addr, uint8_t instance, uint8_t controllerType, uint8_t subtype);
     virtual void unmount(uint8_t dev_addr);
-    virtual void report_received(uint8_t dev_addr, uint8_t instance, uint8_t const* report, uint16_t len);
-    virtual void report_sent(uint8_t dev_addr, uint8_t instance, uint8_t const* report, uint16_t len){}
+    virtual void report_received(uint8_t dev_addr, uint8_t instance, uint8_t const* report, uint16_t len) {}
+    virtual void report_sent(uint8_t dev_addr, uint8_t instance, uint8_t const* report, uint16_t len) {}
     virtual void set_report_complete(uint8_t dev_addr, uint8_t instance, uint8_t report_id, uint8_t report_type, uint16_t len){}
     virtual void get_report_complete(uint8_t dev_addr, uint8_t instance, uint8_t report_id, uint8_t report_type, uint16_t len){}
     void process();
+    void setAuthData(XInputAuthData *);
 private:
+    bool xinputh_vendor_report(tusb_dir_t dir, uint8_t request, uint16_t value, uint16_t length, uint8_t * recvBuf, uintptr_t user_data);
+    // Helper functions for Xbox 360 Authentication
+    bool auth_dongle_get_serial();
+    bool auth_dongle_init_challenge();
+    bool auth_dongle_challenge_verify();
+    bool auth_dongle_data_reply(uint8_t replyLen);
+    bool auth_dongle_wait_get_state();
+    bool auth_dongle_keepalive();
+    void auth_dongle_wait(uint8_t waitID);
     uint8_t xinput_dev_addr;
     uint8_t xinput_instance;
-    bool mounted;
+    bool sending;
+    XInputAuthData * xinputAuthData;
+    uint32_t wait_time;
+    uint8_t wait_count;
+    uint8_t waitBuffer[64]; // wait buffer
+    uint8_t waitBufferID;
+    DONGLE_AUTH_STATE dongleAuthState;
 };
 
 #endif // _XINPUTAUTHUSBLISTENER_H_