138 lines
4.9 KiB
C
138 lines
4.9 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* RemoteFX USB Redirection
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*
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* Copyright 2012 Atrust corp.
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* Copyright 2012 Alfred Liu <alfred.liu@atruscorp.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __MSCONFIG_H
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#define __MSCONFIG_H
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#include <freerdp/types.h>
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#include <freerdp/utils/memory.h>
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#include <freerdp/utils/stream.h>
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/* a safer free helper */
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#define zfree(p) do { if (p != NULL) {free(p); p = NULL;} } while (0)
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/* Data maintenance helper only used in URBDRC */
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#define data_read_uint8(_p, _v) do { _v = \
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*((uint8 *) (_p)); \
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} while (0)
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#define data_read_uint16(_p, _v) do { _v = \
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((uint16) (*((uint8 *) (_p)))) + \
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((uint16) (*(((uint8 *) (_p)) + 1)) << 8); \
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} while (0)
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#define data_read_uint32(_p, _v) do { _v = \
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(uint32) (*((uint8 *) (_p))) + \
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((uint32) (*(((uint8 *) (_p)) + 1)) << 8) + \
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((uint32) (*(((uint8 *) (_p)) + 2)) << 16) + \
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((uint32) (*(((uint8 *) (_p)) + 3)) << 24); \
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} while (0)
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#define data_read_uint64(_p, _v) do { _v = \
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(uint64) (*((uint8 *) (_p))) + \
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((uint64) (*(((uint8 *) (_p)) + 1)) << 8) + \
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((uint64) (*(((uint8 *) (_p)) + 2)) << 16) + \
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((uint64) (*(((uint8 *) (_p)) + 3)) << 24) + \
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((uint64) (*(((uint8 *) (_p)) + 4)) << 32) + \
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((uint64) (*(((uint8 *) (_p)) + 5)) << 40) + \
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((uint64) (*(((uint8 *) (_p)) + 6)) << 48) + \
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((uint64) (*(((uint8 *) (_p)) + 7)) << 56); \
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} while (0)
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#define data_write_uint8(_p, _v) do { \
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*((uint8 *) _p) = (uint8) (_v); \
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} while (0)
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#define data_write_uint16(_p, _v) do { \
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*((uint8 *) _p) = (uint8) (((uint16) (_v)) & 0xff); \
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*(((uint8 *) _p) + 1) = (uint8) ((((uint16) (_v)) >> 8) & 0xff); \
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} while (0)
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#define data_write_uint32(_p, _v) do { \
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*((uint8 *) _p) = (uint8) (((uint32) (_v)) & 0xff); \
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*(((uint8 *) _p) + 1) = (uint8) ((((uint32) (_v)) >> 8) & 0xff); \
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*(((uint8 *) _p) + 2) = (uint8) ((((uint32) (_v)) >> 16) & 0xff); \
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*(((uint8 *) _p) + 3) = (uint8) ((((uint32) (_v)) >> 24) & 0xff); \
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} while (0)
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#define data_write_uint64(_p, _v) do { \
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*((uint8 *) _p) = (uint8) (((uint64) (_v)) & 0xff); \
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*(((uint8 *) _p) + 1) = (uint8) ((((uint64) (_v)) >> 8) & 0xff); \
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*(((uint8 *) _p) + 2) = (uint8) ((((uint64) (_v)) >> 16) & 0xff); \
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*(((uint8 *) _p) + 3) = (uint8) ((((uint64) (_v)) >> 24) & 0xff); \
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*(((uint8 *) _p) + 4) = (uint8) ((((uint64) (_v)) >> 32) & 0xff); \
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*(((uint8 *) _p) + 5) = (uint8) ((((uint64) (_v)) >> 40) & 0xff); \
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*(((uint8 *) _p) + 6) = (uint8) ((((uint64) (_v)) >> 48) & 0xff); \
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*(((uint8 *) _p) + 7) = (uint8) ((((uint64) (_v)) >> 56) & 0xff); \
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} while (0)
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typedef struct _MSUSB_INTERFACE_DESCRIPTOR MSUSB_INTERFACE_DESCRIPTOR;
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typedef struct _MSUSB_PIPE_DESCRIPTOR MSUSB_PIPE_DESCRIPTOR;
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typedef struct _MSUSB_CONFIG_DESCRIPTOR MSUSB_CONFIG_DESCRIPTOR;
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struct _MSUSB_PIPE_DESCRIPTOR
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{
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uint16 MaximumPacketSize;
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uint32 MaximumTransferSize;
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uint32 PipeFlags;
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uint32 PipeHandle;
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uint8 bEndpointAddress;
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uint8 bInterval;
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uint8 PipeType;
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int InitCompleted;
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} __attribute__((packed));
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struct _MSUSB_INTERFACE_DESCRIPTOR
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{
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uint16 Length;
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uint16 NumberOfPipesExpected;
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uint8 InterfaceNumber;
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uint8 AlternateSetting;
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uint32 NumberOfPipes;
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uint32 InterfaceHandle;
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uint8 bInterfaceClass;
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uint8 bInterfaceSubClass;
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uint8 bInterfaceProtocol;
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MSUSB_PIPE_DESCRIPTOR ** MsPipes;
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int InitCompleted;
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} __attribute__((packed));
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struct _MSUSB_CONFIG_DESCRIPTOR
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{
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uint16 wTotalLength;
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uint8 bConfigurationValue;
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uint32 ConfigurationHandle;
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uint32 NumInterfaces;
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MSUSB_INTERFACE_DESCRIPTOR ** MsInterfaces;
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int InitCompleted;
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int MsOutSize;
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} __attribute__((packed));
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/* MSUSB_PIPE exported functions */
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void msusb_mspipes_replace(MSUSB_INTERFACE_DESCRIPTOR* MsInterface, MSUSB_PIPE_DESCRIPTOR** NewMsPipes, uint32 NewNumberOfPipes);
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/* MSUSB_INTERFACE exported functions */
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void msusb_msinterface_replace(MSUSB_CONFIG_DESCRIPTOR* MsConfig, uint8 InterfaceNumber, MSUSB_INTERFACE_DESCRIPTOR* NewMsInterface);
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MSUSB_INTERFACE_DESCRIPTOR* msusb_msinterface_read(uint8* data, uint32 data_size, int* offset);
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int msusb_msinterface_write(MSUSB_INTERFACE_DESCRIPTOR* MsInterface, uint8* data, int* offset);
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/* MSUSB_CONFIG exported functions */
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MSUSB_CONFIG_DESCRIPTOR* msusb_msconfig_new();
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void msusb_msconfig_free(MSUSB_CONFIG_DESCRIPTOR* MsConfig);
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MSUSB_CONFIG_DESCRIPTOR* msusb_msconfig_read(uint8* data, uint32 data_size, uint32 NumInterfaces);
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int msusb_msconfig_write(MSUSB_CONFIG_DESCRIPTOR* MsConfg, uint8* data, int * offset);
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void msusb_msconfig_dump(MSUSB_CONFIG_DESCRIPTOR* MsConfg);
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#endif
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