client-1.8.3/vrdp/rdpusb.c

6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync/** @file
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync *
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * Remote Desktop Protocol client:
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * USB Channel Process Functions
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync *
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync/*
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * Copyright (C) 2006-2011 Oracle Corporation
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync *
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * available from http://www.virtualbox.org. This file is free software;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * you can redistribute it and/or modify it under the terms of the GNU
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * General Public License (GPL) as published by the Free Software
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync/* DEBUG is defined in ../rdesktop.h */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#ifdef DEBUG
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync# define VBOX_DEBUG DEBUG
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#endif
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#include "../rdesktop.h"
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#undef DEBUG
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#ifdef VBOX_DEBUG
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync# define DEBUG VBOX_DEBUG
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#endif
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#include "vrdpusb.h"
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#include "USBProxyDevice.h"
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#include "USBGetDevices.h"
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#include <iprt/cdefs.h>
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#include <iprt/types.h>
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#include <iprt/err.h>
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#include <iprt/log.h>
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#include <unistd.h>
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#include <ctype.h>
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#include <fcntl.h>
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#define RDPUSB_REQ_OPEN              (0)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#define RDPUSB_REQ_CLOSE             (1)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#define RDPUSB_REQ_RESET             (2)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#define RDPUSB_REQ_SET_CONFIG        (3)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#define RDPUSB_REQ_CLAIM_INTERFACE   (4)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#define RDPUSB_REQ_RELEASE_INTERFACE (5)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#define RDPUSB_REQ_INTERFACE_SETTING (6)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#define RDPUSB_REQ_QUEUE_URB         (7)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#define RDPUSB_REQ_REAP_URB          (8)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#define RDPUSB_REQ_CLEAR_HALTED_EP   (9)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#define RDPUSB_REQ_CANCEL_URB        (10)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#define RDPUSB_REQ_DEVICE_LIST       (11)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#define RDPUSB_REQ_NEGOTIATE         (12)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic VCHANNEL *rdpusb_channel;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync/** Well-known locations for the Linux Usbfs virtual file system */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic const struct
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    /** Expected mount location for Usbfs */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    const char *pcszRoot;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    /** Expected location of the "devices" file */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    const char *pcszDevices;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync} g_usbfsPaths[] =
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    { "/proc/bus/usb", "/proc/bus/usb/devices" },
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    { "/dev/bus/usb",  "/dev/bus/usb/devices" }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync};
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync/** Location at which the USB device tree was found.  NULL means not
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * found. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic const char *g_pcszDevicesRoot = NULL;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic bool g_fUseSysfs = false;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic PUSBDEVICE g_pUsbDevices = NULL;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync/* A device list entry */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#pragma pack (1)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsynctypedef struct _DevListEntry
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    uint16_t oNext;                /* Offset of the next structure. 0 if last. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    uint32_t id;                   /* Identifier of the device assigned by the client. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    uint16_t bcdUSB;               /* USB verion number. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    uint8_t bDeviceClass;          /* Device class. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    uint8_t bDeviceSubClass;       /* Device subclass. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    uint8_t bDeviceProtocol;       /* Device protocol. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    uint16_t idVendor;             /* Vendor id. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    uint16_t idProduct;            /* Product id. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    uint16_t bcdRev;               /* Revision. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    uint16_t oManufacturer;        /* Offset of manufacturer string. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    uint16_t oProduct;             /* Offset of product string. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    uint16_t oSerialNumber;        /* Offset of serial string. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    uint16_t idPort;               /* Physical USB port the device is connected to. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync} DevListEntry;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#pragma pack ()
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync/**
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * @returns VBox status code.
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic inline int op_usbproxy_back_open(PUSBPROXYDEV p, const char *pszAddress)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync     return g_USBProxyDeviceHost.pfnOpen (p, pszAddress, NULL);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic inline void op_usbproxy_back_close(PUSBPROXYDEV pDev)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync     return g_USBProxyDeviceHost.pfnClose (pDev);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync/**
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * @returns VBox status code.
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic inline int op_usbproxy_back_reset(PUSBPROXYDEV pDev)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    return g_USBProxyDeviceHost.pfnReset (pDev, false);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync/**
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * @returns VBox status code.
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic inline int op_usbproxy_back_set_config(PUSBPROXYDEV pDev, int cfg)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    return g_USBProxyDeviceHost.pfnSetConfig (pDev, cfg);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync/**
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * @returns VBox status code.
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic inline int op_usbproxy_back_claim_interface(PUSBPROXYDEV pDev, int ifnum)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    return g_USBProxyDeviceHost.pfnClaimInterface (pDev, ifnum);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync/**
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * @returns VBox status code.
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic inline int op_usbproxy_back_release_interface(PUSBPROXYDEV pDev, int ifnum)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    return g_USBProxyDeviceHost.pfnReleaseInterface (pDev, ifnum);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync/**
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * @returns VBox status code.
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic inline int op_usbproxy_back_interface_setting(PUSBPROXYDEV pDev, int ifnum, int setting)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    return g_USBProxyDeviceHost.pfnSetInterface (pDev, ifnum, setting);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync/**
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * @returns VBox status code.
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic inline int op_usbproxy_back_queue_urb(PUSBPROXYDEV pDev, PVUSBURB pUrb)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    return g_USBProxyDeviceHost.pfnUrbQueue(pDev, pUrb);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic inline PVUSBURB op_usbproxy_back_reap_urb(PUSBPROXYDEV pDev, unsigned cMillies)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    return g_USBProxyDeviceHost.pfnUrbReap (pDev, cMillies);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync/**
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * @returns VBox status code.
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic inline int op_usbproxy_back_clear_halted_ep(PUSBPROXYDEV pDev, unsigned EndPoint)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    return g_USBProxyDeviceHost.pfnClearHaltedEndpoint (pDev, EndPoint);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync/**
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * @returns VBox status code.
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic inline int op_usbproxy_back_cancel_urb(PUSBPROXYDEV pDev, PVUSBURB pUrb)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    return g_USBProxyDeviceHost.pfnUrbCancel (pDev, pUrb);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync/** Count the USB devices in a linked list of PUSBDEVICE structures. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncunsigned countUSBDevices(PUSBDEVICE pDevices)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    unsigned i = 0;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    for (; pDevices; pDevices = pDevices->pNext)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        ++i;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    return i;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncenum {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    /** The space we set aside for the USB strings.  Should always be enough,
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync     * as a USB device contains up to 256 characters of UTF-16 string data. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    MAX_STRINGS_LEN = 1024,
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    /** The space we reserve for each wire format device entry */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    DEV_ENTRY_SIZE = sizeof(DevListEntry) + MAX_STRINGS_LEN
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync};
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync/**
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * Add a string to the end of a wire format device entry.
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * @param pBuf      the start of the buffer containing the entry
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * @param iBuf      the index into the buffer to add the string at
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * @param pcsz      the string to add - optional
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * @param piString  where to write back @a iBuf or zero if there is no string
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * @param piNext    where to write back the index where the next string may
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync *                  start
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic void addStringToEntry(char *pBuf, uint16_t iBuf, const char *pcsz,
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                             uint16_t *piString, uint16_t *piNext)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    size_t cch;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    *piString = 0;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    *piNext = iBuf;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    if (!pcsz)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        return;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    cch = strlen(pcsz) + 1;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    if (cch > DEV_ENTRY_SIZE - iBuf)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        return;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    strcpy(pBuf + iBuf, pcsz);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    *piString = iBuf;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    *piNext = iBuf + cch;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync/** Fill in a device list entry in wire format from a PUSBDEVICE and return an
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * index to where the next string should start */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic void fillWireListEntry(char *pBuf, PUSBDEVICE pDevice,
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                              uint16_t *piNext)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    DevListEntry *pEntry;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    uint16_t iNextString = sizeof(DevListEntry);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    pEntry = (DevListEntry *)pBuf;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    pEntry->id              = (pDevice->bPort << 8) + pDevice->bBus;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    pEntry->bcdUSB          = pDevice->bcdUSB;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    pEntry->bDeviceClass    = pDevice->bDeviceClass;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    pEntry->bDeviceSubClass = pDevice->bDeviceSubClass;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    pEntry->idVendor        = pDevice->idVendor;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    pEntry->idProduct       = pDevice->idProduct;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    pEntry->bcdRev          = pDevice->bcdDevice;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    pEntry->idPort          = pDevice->bPort;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    addStringToEntry(pBuf, iNextString, pDevice->pszManufacturer,
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                     &pEntry->oManufacturer, &iNextString);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    addStringToEntry(pBuf, iNextString, pDevice->pszProduct,
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                     &pEntry->oProduct, &iNextString);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    addStringToEntry(pBuf, iNextString, pDevice->pszSerialNumber,
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                     &pEntry->oSerialNumber, &pEntry->oNext);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    *piNext = pEntry->oNext;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync/** Allocate (and return) a buffer for a device list in VRDP wire format,
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * and populate from a PUSBDEVICE linked list.  @a pLen takes the length of
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * the new list.
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * See @a Console::processRemoteUSBDevices for the receiving end. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic void *buildWireListFromDevices(PUSBDEVICE pDevices, int *pLen)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    char *pBuf;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    unsigned cDevs, cbBuf, iCurrent;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    uint16_t iNext;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    PUSBDEVICE pCurrent;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    cDevs = countUSBDevices(pDevices);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    cbBuf = cDevs * DEV_ENTRY_SIZE + 2;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    pBuf = (char *)xmalloc(cbBuf);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    memset(pBuf, 0, cbBuf);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    for (pCurrent = pDevices, iCurrent = 0; pCurrent;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync         pCurrent = pCurrent->pNext, iCurrent += iNext, --cDevs)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        unsigned i, cZeros;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        AssertReturnStmt(iCurrent + DEV_ENTRY_SIZE + 2 <= cbBuf,
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                         free(pBuf), NULL);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        fillWireListEntry(pBuf + iCurrent, pCurrent, &iNext);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            DevListEntry *pEntry = (DevListEntry *)(pBuf + iCurrent);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        /* Sanity tests */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        for (i = iCurrent + sizeof(DevListEntry), cZeros = 0;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync             i < iCurrent + iNext; ++i)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync             if (pBuf[i] == 0)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                 ++cZeros;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        AssertReturnStmt(cZeros ==   RT_BOOL(pEntry->oManufacturer)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                                   + RT_BOOL(pEntry->oProduct)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                                   + RT_BOOL(pEntry->oSerialNumber),
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                         free(pBuf), NULL);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        Assert(pEntry->oManufacturer == 0 || pBuf[iCurrent + pEntry->oManufacturer] != '\0');
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        Assert(pEntry->oProduct == 0 || pBuf[iCurrent + pEntry->oProduct] != '\0');
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        Assert(pEntry->oSerialNumber == 0 || pBuf[iCurrent + pEntry->oSerialNumber] != '\0');
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        AssertReturnStmt(cZeros == 0 || pBuf[iCurrent + iNext - 1] == '\0',
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                         free(pBuf), NULL);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    *pLen = iCurrent + iNext + 2;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    Assert(cDevs == 0);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    Assert(*pLen <= cbBuf);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    return pBuf;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync/** Build a list of the usable USB devices currently connected to the client
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * system using the VRDP wire protocol.  The structure returned must be freed
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * using free(3) when it is no longer needed; returns NULL and sets *pLen to
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync * zero on failure. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic void *build_device_list (int *pLen)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    void *pvDeviceList;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    Log(("RDPUSB build_device_list"));
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    *pLen = 0;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    if (g_pUsbDevices)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        deviceListFree(&g_pUsbDevices);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    g_pUsbDevices = USBProxyLinuxGetDevices(g_pcszDevicesRoot, g_fUseSysfs);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    if (!g_pUsbDevices)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        return NULL;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    pvDeviceList = buildWireListFromDevices(g_pUsbDevices, pLen);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    return pvDeviceList;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic STREAM
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncrdpusb_init_packet(uint32 len, uint8 code)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    STREAM s;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    s = channel_init(rdpusb_channel, len + 5);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    out_uint32_le (s, len + sizeof (code)); /* The length of data after the 'len' field. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    out_uint8(s, code);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    return s;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic void
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncrdpusb_send(STREAM s)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#ifdef RDPUSB_DEBUG
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    Log(("RDPUSB send:\n"));
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    hexdump(s->channel_hdr + 8, s->end - s->channel_hdr - 8);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#endif
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    channel_send(s, rdpusb_channel);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic void
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncrdpusb_send_reply (uint8_t code, uint8_t status, uint32_t devid)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    STREAM s = rdpusb_init_packet(5, code);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    out_uint8(s, status);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    out_uint32_le(s, devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    s_mark_end(s);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    rdpusb_send(s);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic void
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncrdpusb_send_access_denied (uint8_t code, uint32_t devid)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    rdpusb_send_reply (code, VRDP_USB_STATUS_ACCESS_DENIED, devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic inline int
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncvrdp_usb_status (int rc, VUSBDEV *pdev)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    if (!rc || usbProxyFromVusbDev(pdev)->fDetached)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        return VRDP_USB_STATUS_DEVICE_REMOVED;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    return VRDP_USB_STATUS_SUCCESS;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic PUSBPROXYDEV g_proxies = NULL;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic PUSBPROXYDEV
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncdevid2proxy (uint32_t devid)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    PUSBPROXYDEV proxy = g_proxies;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    while (proxy && proxy->devid != devid)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        proxy = proxy->pNext;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    return proxy;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic void
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncrdpusb_reap_urbs (void)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    STREAM s;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    PVUSBURB pUrb = NULL;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    PUSBPROXYDEV proxy = g_proxies;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    while (proxy)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        pUrb = op_usbproxy_back_reap_urb(proxy, 0);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        if (pUrb)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            int datalen = 0;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            Log(("RDPUSB: rdpusb_reap_urbs: cbData = %d, enmStatus = %d\n", pUrb->cbData, pUrb->enmStatus));
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (pUrb->enmDir == VUSB_DIRECTION_IN)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                datalen = pUrb->cbData;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            s = rdpusb_init_packet(14 + datalen, RDPUSB_REQ_REAP_URB);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            out_uint32_le(s, proxy->devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            out_uint8(s, VRDP_USB_REAP_FLAG_LAST);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            out_uint8(s, pUrb->enmStatus);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            out_uint32_le(s, pUrb->handle);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            out_uint32_le(s, pUrb->cbData);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (datalen)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                out_uint8a (s, pUrb->abData, datalen);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            s_mark_end(s);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            rdpusb_send(s);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (pUrb->pPrev || pUrb->pNext || pUrb == proxy->pUrbs)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                /* Remove the URB from list. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                if (pUrb->pPrev)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                    pUrb->pPrev->pNext = pUrb->pNext;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                else
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                    proxy->pUrbs = pUrb->pNext;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                if (pUrb->pNext)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                    pUrb->pNext->pPrev = pUrb->pPrev;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#ifdef RDPUSB_DEBUG
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            Log(("Going to free %p\n", pUrb));
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#endif
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            xfree (pUrb);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#ifdef RDPUSB_DEBUG
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            Log(("freed %p\n", pUrb));
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#endif
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        proxy = proxy->pNext;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    return;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncstatic void
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncrdpusb_process(STREAM s)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    int rc;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    uint32 len;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    uint8 code;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    uint32 devid;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    PUSBPROXYDEV proxy = NULL;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#ifdef RDPUSB_DEBUG
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    Log(("RDPUSB recv:\n"));
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    hexdump(s->p, s->end - s->p);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync#endif
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    in_uint32_le (s, len);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    if (len > s->end - s->p)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        error("RDPUSB: not enough data len = %d, bytes left %d\n", len, s->end - s->p);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        return;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    in_uint8(s, code);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    Log(("RDPUSB recv: len = %d, code = %d\n", len, code));
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    switch (code)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        case RDPUSB_REQ_OPEN:
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            PUSBDEVICE pDevice;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            in_uint32_le(s, devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            proxy = (PUSBPROXYDEV )xmalloc (sizeof (USBPROXYDEV));
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (!proxy)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                error("RDPUSB: Out of memory allocating proxy backend data\n");
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                return;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            memset (proxy, 0, sizeof (USBPROXYDEV));
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            proxy->pvInstanceDataR3 = xmalloc(g_USBProxyDeviceHost.cbBackend);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (!proxy->pvInstanceDataR3)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                error("RDPUSB: Out of memory allocating proxy backend data\n");
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                return;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            proxy->Dev.pszName = "Remote device";
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            proxy->devid = devid;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            for (pDevice = g_pUsbDevices; pDevice; pDevice = pDevice->pNext)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                if ((pDevice->bPort << 8) + pDevice->bBus == devid)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                    break;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            rc = pDevice ? op_usbproxy_back_open(proxy, pDevice->pszAddress)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                         : VERR_NOT_FOUND;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (rc != VINF_SUCCESS)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                rdpusb_send_access_denied (code, devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                xfree (proxy);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                proxy = NULL;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            else
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                if (g_proxies)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                    g_proxies->pPrev = proxy;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                proxy->pNext = g_proxies;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                g_proxies = proxy;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        } break;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        case RDPUSB_REQ_CLOSE:
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            in_uint32_le(s, devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            proxy = devid2proxy (devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (proxy)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                op_usbproxy_back_close(proxy);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                if (proxy->pPrev)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                    proxy->pPrev->pNext = proxy->pNext;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                else
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                    g_proxies = proxy->pNext;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                if (proxy->pNext)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                    proxy->pNext->pPrev = proxy->pPrev;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                xfree (proxy->pvInstanceDataR3);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                xfree (proxy);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                proxy = NULL;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            /* No reply. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        } break;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        case RDPUSB_REQ_RESET:
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                in_uint32_le(s, devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            proxy = devid2proxy (devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (!proxy)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                rdpusb_send_access_denied (code, devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                break;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            rc = op_usbproxy_back_reset(proxy);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (rc != VINF_SUCCESS)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                rdpusb_send_reply (code, vrdp_usb_status (!rc, &proxy->Dev), devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        } break;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        case RDPUSB_REQ_SET_CONFIG:
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            uint8 cfg;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                in_uint32_le(s, devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            proxy = devid2proxy (devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (!proxy)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                rdpusb_send_access_denied (code, devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                break;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                in_uint8(s, cfg);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            rc = op_usbproxy_back_set_config(proxy, cfg);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (RT_FAILURE(rc))
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                rdpusb_send_reply (code, vrdp_usb_status (rc, &proxy->Dev), devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        } break;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        case RDPUSB_REQ_CLAIM_INTERFACE:
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            uint8 ifnum;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                in_uint32_le(s, devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            proxy = devid2proxy (devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (!proxy)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                rdpusb_send_access_denied (code, devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                break;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                in_uint8(s, ifnum);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                in_uint8(s, ifnum);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            rc = op_usbproxy_back_claim_interface(proxy, ifnum);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (RT_FAILURE(rc))
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                rdpusb_send_reply (code, vrdp_usb_status (rc, &proxy->Dev), devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        } break;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        case RDPUSB_REQ_RELEASE_INTERFACE:
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            uint8 ifnum;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                in_uint32_le(s, devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            proxy = devid2proxy (devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (!proxy)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                rdpusb_send_access_denied (code, devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                break;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                in_uint8(s, ifnum);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            rc = op_usbproxy_back_release_interface(proxy, ifnum);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (RT_FAILURE(rc))
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                rdpusb_send_reply (code, vrdp_usb_status (rc, &proxy->Dev), devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        } break;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        case RDPUSB_REQ_INTERFACE_SETTING:
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            uint8 ifnum;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            uint8 setting;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                in_uint32_le(s, devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            proxy = devid2proxy (devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (!proxy)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                rdpusb_send_access_denied (code, devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                break;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                in_uint8(s, ifnum);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                in_uint8(s, setting);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            rc = op_usbproxy_back_interface_setting(proxy, ifnum, setting);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (RT_FAILURE(rc))
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                rdpusb_send_reply (code, vrdp_usb_status (rc, &proxy->Dev), devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        } break;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        case RDPUSB_REQ_QUEUE_URB:
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            uint32 handle;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            uint8 type;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            uint8 ep;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            uint8 dir;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            uint32 urblen;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            uint32 datalen;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            PVUSBURB pUrb; // struct vusb_urb *urb;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                in_uint32_le(s, devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            proxy = devid2proxy (devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (!proxy)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                /* No reply. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                break;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                in_uint32(s, handle);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                in_uint8(s, type);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                in_uint8(s, ep);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                in_uint8(s, dir);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                in_uint32(s, urblen);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                in_uint32(s, datalen);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            /* Allocate a single block for URB description and data buffer */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            pUrb = (PVUSBURB)xmalloc (sizeof (VUSBURB) +
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                                      (urblen <= sizeof (pUrb->abData)? 0: urblen - sizeof (pUrb->abData))
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                         );
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            memset (pUrb, 0, sizeof (VUSBURB));
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            pUrb->pDev = &proxy->Dev;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            pUrb->handle = handle;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            pUrb->enmType = type;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            pUrb->enmStatus = 0;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            pUrb->EndPt = ep;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            pUrb->enmDir = dir;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            pUrb->cbData = urblen;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            Log(("RDPUSB: queued URB handle = %d\n", handle));
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (datalen)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                in_uint8a (s, pUrb->abData, datalen);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            rc = op_usbproxy_back_queue_urb(proxy, pUrb);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            /* No reply required. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (RT_SUCCESS(rc))
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                if (proxy->pUrbs)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                    proxy->pUrbs->pPrev = pUrb;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                pUrb->pNext = proxy->pUrbs;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                proxy->pUrbs = pUrb;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            else
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                xfree (pUrb);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        } break;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        case RDPUSB_REQ_REAP_URB:
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            rdpusb_reap_urbs ();
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        } break;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        case RDPUSB_REQ_CLEAR_HALTED_EP:
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            uint8 ep;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                in_uint32_le(s, devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            proxy = devid2proxy (devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (!proxy)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                rdpusb_send_access_denied (code, devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                break;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                in_uint8(s, ep);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            rc = op_usbproxy_back_clear_halted_ep(proxy, ep);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (RT_FAILURE(rc))
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                rdpusb_send_reply (code, vrdp_usb_status (rc, &proxy->Dev), devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        } break;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        case RDPUSB_REQ_CANCEL_URB:
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            uint32 handle;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            PVUSBURB pUrb = NULL;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                in_uint32_le(s, devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            proxy = devid2proxy (devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (!proxy)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                rdpusb_send_access_denied (code, devid);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                break;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                in_uint32_le(s, handle);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            pUrb = proxy->pUrbs;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            while (pUrb && pUrb->handle != handle)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                pUrb = pUrb->pNext;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (pUrb)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                op_usbproxy_back_cancel_urb(proxy, pUrb);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                /* No reply required. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                /* Remove URB from list. */
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                if (pUrb->pPrev)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                    pUrb->pPrev->pNext = pUrb->pNext;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                else
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                    proxy->pUrbs = pUrb->pNext;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                if (pUrb->pNext)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                    pUrb->pNext->pPrev = pUrb->pPrev;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                pUrb->pNext = pUrb->pPrev = NULL;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                Log(("Cancelled URB %p\n", pUrb));
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                // xfree (pUrb);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        } break;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        case RDPUSB_REQ_DEVICE_LIST:
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            void *buf = NULL;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            int len = 0;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            buf = build_device_list (&len);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            s = rdpusb_init_packet(len? len: 2, code);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (len)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                out_uint8p (s, buf, len);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            else
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                out_uint16_le(s, 0);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            s_mark_end(s);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            rdpusb_send(s);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (buf)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                free (buf);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        } break;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        case RDPUSB_REQ_NEGOTIATE:
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            s = rdpusb_init_packet(1, code);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            out_uint8(s, VRDP_USB_CAPS_FLAG_ASYNC);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            s_mark_end(s);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            rdpusb_send(s);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        } break;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        default:
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            unimpl("RDPUSB code %d\n", code);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            break;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncvoid
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncrdpusb_add_fds(int *n, fd_set * rfds, fd_set * wfds)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    PUSBPROXYDEV proxy = g_proxies;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync//  Log(("RDPUSB: rdpusb_add_fds: begin *n = %d\n", *n));
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    while (proxy)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        int fd = USBProxyDeviceLinuxGetFD(proxy);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        if (fd != -1)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync//              Log(("RDPUSB: rdpusb_add_fds: adding %d\n", proxy->priv.File));
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            FD_SET(fd, rfds);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            FD_SET(fd, wfds);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            *n = MAX(*n, fd);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        proxy = proxy->pNext;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync//  Log(("RDPUSB: rdpusb_add_fds: end *n = %d\n", *n));
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    return;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncvoid
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncrdpusb_check_fds(fd_set * rfds, fd_set * wfds)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    PUSBPROXYDEV proxy = g_proxies;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    unsigned found = 0;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    while (proxy)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        int fd = USBProxyDeviceLinuxGetFD(proxy);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        if (fd != -1)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (FD_ISSET(fd, rfds))
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                found = 1;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            if (FD_ISSET(fd, wfds))
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                found = 1;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        proxy = proxy->pNext;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync//  Log(("RDPUSB: rdpusb_check_fds: begin\n"));
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    if (found)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        rdpusb_reap_urbs ();
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync//  Log(("RDPUSB: rdpusb_check_fds: end\n"));
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    return;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncRD_BOOL
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncrdpusb_init(void)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    bool fUseUsbfs;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    if (RT_SUCCESS(USBProxyLinuxChooseMethod(&fUseUsbfs, &g_pcszDevicesRoot)))
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        g_fUseSysfs = !fUseUsbfs;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        rdpusb_channel =
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync            channel_register("vrdpusb", CHANNEL_OPTION_INITIALIZED | CHANNEL_OPTION_ENCRYPT_RDP,
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync                     rdpusb_process);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        return (rdpusb_channel != NULL);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    return false;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncvoid
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsyncrdpusb_close (void)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync{
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    PUSBPROXYDEV proxy = g_proxies;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    while (proxy)
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    {
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        PUSBPROXYDEV pNext = proxy->pNext;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        Log(("RDPUSB: closing proxy %p\n", proxy));
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        op_usbproxy_back_close(proxy);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        xfree (proxy);
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync        proxy = pNext;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    }
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync    return;
6e9aa255e3376b2da5824c09c4c62bc233463bfevboxsync}