| 1 | /* $Id: USBGetDevices.h 82968 2020-02-04 10:35:17Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VirtualBox Linux host USB device enumeration.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2020 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | #ifndef MAIN_INCLUDED_USBGetDevices_h
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| 19 | #define MAIN_INCLUDED_USBGetDevices_h
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| 20 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 21 | # pragma once
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| 22 | #endif
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| 23 |
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| 24 | #include <VBox/usb.h>
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| 25 | #include <iprt/mem.h>
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| 26 | #include <iprt/string.h>
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| 27 |
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| 28 | /**
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| 29 | * Free all the members of a USB device created by the Linux enumeration code.
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| 30 | *
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| 31 | * @note This duplicates a USBProxyService method which we needed access too
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| 32 | * without pulling in the rest of the proxy service code.
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| 33 | *
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| 34 | * @param pDevice Pointer to the device.
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| 35 | */
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| 36 | DECLINLINE(void) deviceFreeMembers(PUSBDEVICE pDevice)
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| 37 | {
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| 38 | RTStrFree((char *)pDevice->pszManufacturer);
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| 39 | pDevice->pszManufacturer = NULL;
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| 40 | RTStrFree((char *)pDevice->pszProduct);
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| 41 | pDevice->pszProduct = NULL;
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| 42 | RTStrFree((char *)pDevice->pszSerialNumber);
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| 43 | pDevice->pszSerialNumber = NULL;
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| 44 |
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| 45 | RTStrFree((char *)pDevice->pszAddress);
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| 46 | pDevice->pszAddress = NULL;
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| 47 | }
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| 48 |
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| 49 | /**
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| 50 | * Free one USB device created by the Linux enumeration code.
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| 51 | *
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| 52 | * @note This duplicates a USBProxyService method which we needed access too
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| 53 | * without pulling in the rest of the proxy service code.
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| 54 | *
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| 55 | * @param pDevice Pointer to the device. NULL is OK.
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| 56 | */
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| 57 | DECLINLINE(void) deviceFree(PUSBDEVICE pDevice)
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| 58 | {
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| 59 | if (pDevice)
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| 60 | {
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| 61 | deviceFreeMembers(pDevice);
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| 62 | RTMemFree(pDevice);
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| 63 | }
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| 64 | }
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| 65 |
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| 66 | /**
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| 67 | * Free a linked list of USB devices created by the Linux enumeration code.
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| 68 | * @param ppHead Pointer to the first device in the linked list
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| 69 | */
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| 70 | DECLINLINE(void) deviceListFree(PUSBDEVICE *ppHead)
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| 71 | {
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| 72 | PUSBDEVICE pHead = *ppHead;
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| 73 | while (pHead)
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| 74 | {
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| 75 | PUSBDEVICE pNext = pHead->pNext;
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| 76 | deviceFree(pHead);
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| 77 | pHead = pNext;
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| 78 | }
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| 79 | *ppHead = NULL;
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| 80 | }
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| 81 |
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| 82 | RT_C_DECLS_BEGIN
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| 83 |
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| 84 | extern bool USBProxyLinuxCheckDeviceRoot(const char *pcszRoot, bool fIsDeviceNodes);
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| 85 |
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| 86 | #ifdef UNIT_TEST
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| 87 | void TestUSBSetupInit(const char *pcszUsbfsRoot, bool fUsbfsAccessible,
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| 88 | const char *pcszDevicesRoot, bool fDevicesAccessible,
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| 89 | int rcMethodInitResult);
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| 90 | void TestUSBSetEnv(const char *pcszEnvUsb, const char *pcszEnvUsbRoot);
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| 91 | #endif
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| 92 |
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| 93 | extern int USBProxyLinuxChooseMethod(bool *pfUsingUsbfsDevices, const char **ppcszDevicesRoot);
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| 94 | #ifdef UNIT_TEST
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| 95 | extern void TestUSBSetAvailableUsbfsDevices(const char **pacszDeviceAddresses);
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| 96 | extern void TestUSBSetAccessibleFiles(const char **pacszAccessibleFiles);
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| 97 | #endif
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| 98 |
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| 99 | extern PUSBDEVICE USBProxyLinuxGetDevices(const char *pcszDevicesRoot, bool fUseSysfs);
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| 100 |
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| 101 | RT_C_DECLS_END
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| 102 |
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| 103 | #endif /* !MAIN_INCLUDED_USBGetDevices_h */
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| 104 |
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