78d4e19258
o basic drive redirection is working
o functions currently supported: open:
read, write, create, get/set attribute
o requires latest NeutrinoRDP to work
o note: clipboard is broken because of the move from
linked lists to inodes in the FUSE code
404 lines
12 KiB
C
404 lines
12 KiB
C
/**
|
|
* xrdp: A Remote Desktop Protocol server.
|
|
*
|
|
* Copyright (C) Jay Sorg 2004-2012
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*
|
|
* Parsing structs and macros
|
|
*
|
|
* based on parse.h from rdesktop
|
|
* this is a super fast stream method, you bet
|
|
* needed functions g_malloc, g_free, g_memset, g_memcpy
|
|
*/
|
|
|
|
#if !defined(PARSE_H)
|
|
#define PARSE_H
|
|
|
|
#include "arch.h"
|
|
|
|
#if defined(L_ENDIAN)
|
|
#elif defined(B_ENDIAN)
|
|
#else
|
|
#error Unknown endianness.
|
|
#endif
|
|
|
|
/* parser state */
|
|
struct stream
|
|
{
|
|
char* p;
|
|
char* end;
|
|
char* data;
|
|
int size;
|
|
/* offsets of various headers */
|
|
char* iso_hdr;
|
|
char* mcs_hdr;
|
|
char* sec_hdr;
|
|
char* rdp_hdr;
|
|
char* channel_hdr;
|
|
char* next_packet;
|
|
};
|
|
|
|
/******************************************************************************/
|
|
#define s_check(s) ((s)->p <= (s)->end)
|
|
|
|
/******************************************************************************/
|
|
#define s_check_rem(s, n) ((s)->p + (n) <= (s)->end)
|
|
|
|
/******************************************************************************/
|
|
#define s_check_end(s) ((s)->p == (s)->end)
|
|
|
|
/******************************************************************************/
|
|
#define make_stream(s) \
|
|
(s) = (struct stream*)g_malloc(sizeof(struct stream), 1)
|
|
|
|
/******************************************************************************/
|
|
#define init_stream(s, v) do \
|
|
{ \
|
|
if ((v) > (s)->size) \
|
|
{ \
|
|
g_free((s)->data); \
|
|
(s)->data = (char*)g_malloc((v), 0); \
|
|
(s)->size = (v); \
|
|
} \
|
|
(s)->p = (s)->data; \
|
|
(s)->end = (s)->data; \
|
|
(s)->next_packet = 0; \
|
|
} while (0)
|
|
|
|
/******************************************************************************/
|
|
#define free_stream(s) do \
|
|
{ \
|
|
if ((s) != 0) \
|
|
{ \
|
|
g_free((s)->data); \
|
|
} \
|
|
g_free((s)); \
|
|
} while (0)
|
|
|
|
/******************************************************************************/
|
|
#define s_push_layer(s, h, n) do \
|
|
{ \
|
|
(s)->h = (s)->p; \
|
|
(s)->p += (n); \
|
|
} while (0)
|
|
|
|
/******************************************************************************/
|
|
#define s_pop_layer(s, h) \
|
|
(s)->p = (s)->h
|
|
|
|
/******************************************************************************/
|
|
#define s_mark_end(s) \
|
|
(s)->end = (s)->p
|
|
|
|
#define in_sint8(s, v) do \
|
|
{ \
|
|
(v) = *((signed char*)((s)->p)); \
|
|
(s)->p++; \
|
|
} while (0)
|
|
|
|
/******************************************************************************/
|
|
#define in_uint8(s, v) do \
|
|
{ \
|
|
(v) = *((unsigned char*)((s)->p)); \
|
|
(s)->p++; \
|
|
} while (0)
|
|
|
|
/******************************************************************************/
|
|
#if defined(B_ENDIAN) || defined(NEED_ALIGN)
|
|
#define in_sint16_le(s, v) do \
|
|
{ \
|
|
(v) = (signed short) \
|
|
( \
|
|
(*((unsigned char*)((s)->p + 0)) << 0) | \
|
|
(*((unsigned char*)((s)->p + 1)) << 8) \
|
|
); \
|
|
(s)->p += 2; \
|
|
} while (0)
|
|
#else
|
|
#define in_sint16_le(s, v) do \
|
|
{ \
|
|
(v) = *((signed short*)((s)->p)); \
|
|
(s)->p += 2; \
|
|
} while (0)
|
|
#endif
|
|
|
|
/******************************************************************************/
|
|
#if defined(B_ENDIAN) || defined(NEED_ALIGN)
|
|
#define in_uint16_le(s, v) do \
|
|
{ \
|
|
(v) = (unsigned short) \
|
|
( \
|
|
(*((unsigned char*)((s)->p + 0)) << 0) | \
|
|
(*((unsigned char*)((s)->p + 1)) << 8) \
|
|
); \
|
|
(s)->p += 2; \
|
|
} while (0)
|
|
#else
|
|
#define in_uint16_le(s, v) do \
|
|
{ \
|
|
(v) = *((unsigned short*)((s)->p)); \
|
|
(s)->p += 2; \
|
|
} while (0)
|
|
#endif
|
|
|
|
/******************************************************************************/
|
|
#define in_uint16_be(s, v) do \
|
|
{ \
|
|
(v) = *((unsigned char*)((s)->p)); \
|
|
(s)->p++; \
|
|
(v) <<= 8; \
|
|
(v) |= *((unsigned char*)((s)->p)); \
|
|
(s)->p++; \
|
|
} while (0)
|
|
|
|
/******************************************************************************/
|
|
#if defined(B_ENDIAN) || defined(NEED_ALIGN)
|
|
#define in_uint32_le(s, v) do \
|
|
{ \
|
|
(v) = (unsigned int) \
|
|
( \
|
|
(*((unsigned char*)((s)->p + 0)) << 0) | \
|
|
(*((unsigned char*)((s)->p + 1)) << 8) | \
|
|
(*((unsigned char*)((s)->p + 2)) << 16) | \
|
|
(*((unsigned char*)((s)->p + 3)) << 24) \
|
|
); \
|
|
(s)->p += 4; \
|
|
} while (0)
|
|
#else
|
|
#define in_uint32_le(s, v) do \
|
|
{ \
|
|
(v) = *((unsigned int*)((s)->p)); \
|
|
(s)->p += 4; \
|
|
} while (0)
|
|
#endif
|
|
|
|
/******************************************************************************/
|
|
#define in_uint32_be(s, v) do \
|
|
{ \
|
|
(v) = *((unsigned char*)((s)->p)); \
|
|
(s)->p++; \
|
|
(v) <<= 8; \
|
|
(v) |= *((unsigned char*)((s)->p)); \
|
|
(s)->p++; \
|
|
(v) <<= 8; \
|
|
(v) |= *((unsigned char*)((s)->p)); \
|
|
(s)->p++; \
|
|
(v) <<= 8; \
|
|
(v) |= *((unsigned char*)((s)->p)); \
|
|
(s)->p++; \
|
|
} while (0)
|
|
|
|
/******************************************************************************/
|
|
#define out_uint8(s, v) do \
|
|
{ \
|
|
*((s)->p) = (unsigned char)(v); \
|
|
(s)->p++; \
|
|
} while (0)
|
|
|
|
/******************************************************************************/
|
|
#if defined(B_ENDIAN) || defined(NEED_ALIGN)
|
|
#define out_uint16_le(s, v) do \
|
|
{ \
|
|
*((s)->p) = (unsigned char)((v) >> 0); \
|
|
(s)->p++; \
|
|
*((s)->p) = (unsigned char)((v) >> 8); \
|
|
(s)->p++; \
|
|
} while (0)
|
|
#else
|
|
#define out_uint16_le(s, v) do \
|
|
{ \
|
|
*((unsigned short*)((s)->p)) = (unsigned short)(v); \
|
|
(s)->p += 2; \
|
|
} while (0)
|
|
#endif
|
|
|
|
/******************************************************************************/
|
|
#define out_uint16_be(s, v) do \
|
|
{ \
|
|
*((s)->p) = (unsigned char)((v) >> 8); \
|
|
(s)->p++; \
|
|
*((s)->p) = (unsigned char)((v) >> 0); \
|
|
(s)->p++; \
|
|
} while (0)
|
|
|
|
/******************************************************************************/
|
|
#if defined(B_ENDIAN) || defined(NEED_ALIGN)
|
|
#define out_uint32_le(s, v) do \
|
|
{ \
|
|
*((s)->p) = (unsigned char)((v) >> 0); \
|
|
(s)->p++; \
|
|
*((s)->p) = (unsigned char)((v) >> 8); \
|
|
(s)->p++; \
|
|
*((s)->p) = (unsigned char)((v) >> 16); \
|
|
(s)->p++; \
|
|
*((s)->p) = (unsigned char)((v) >> 24); \
|
|
(s)->p++; \
|
|
} while (0)
|
|
#else
|
|
#define out_uint32_le(s, v) do \
|
|
{ \
|
|
*((unsigned int*)((s)->p)) = (v); \
|
|
(s)->p += 4; \
|
|
} while (0)
|
|
#endif
|
|
|
|
/******************************************************************************/
|
|
#define out_uint32_be(s, v) do \
|
|
{ \
|
|
*((s)->p) = (unsigned char)((v) >> 24); \
|
|
s->p++; \
|
|
*((s)->p) = (unsigned char)((v) >> 16); \
|
|
s->p++; \
|
|
*((s)->p) = (unsigned char)((v) >> 8); \
|
|
s->p++; \
|
|
*((s)->p) = (unsigned char)(v); \
|
|
(s)->p++; \
|
|
} while (0)
|
|
|
|
/******************************************************************************/
|
|
#define in_uint8p(s, v, n) do \
|
|
{ \
|
|
(v) = (s)->p; \
|
|
(s)->p += (n); \
|
|
} while (0)
|
|
|
|
/******************************************************************************/
|
|
#define in_uint8a(s, v, n) do \
|
|
{ \
|
|
g_memcpy((v), (s)->p, (n)); \
|
|
(s)->p += (n); \
|
|
} while (0)
|
|
|
|
/******************************************************************************/
|
|
#define in_uint8s(s, n) \
|
|
(s)->p += (n)
|
|
|
|
/******************************************************************************/
|
|
#define out_uint8p(s, v, n) do \
|
|
{ \
|
|
g_memcpy((s)->p, (v), (n)); \
|
|
(s)->p += (n); \
|
|
} while (0)
|
|
|
|
/******************************************************************************/
|
|
#define out_uint8a(s, v, n) \
|
|
out_uint8p((s), (v), (n))
|
|
|
|
/******************************************************************************/
|
|
#define out_uint8s(s, n) do \
|
|
{ \
|
|
g_memset((s)->p, 0, (n)); \
|
|
(s)->p += (n); \
|
|
} while (0)
|
|
|
|
/*
|
|
* @brief allocate a new stream
|
|
*
|
|
* @param _s opaque handle to the new stream
|
|
* @param _l length of new stream
|
|
******************************************************************************/
|
|
#define stream_new(_s, _l) \
|
|
do \
|
|
{ \
|
|
make_stream((_s)); \
|
|
init_stream((_s), (_l)); \
|
|
} while (0)
|
|
|
|
/**
|
|
* @brief release a previously allocated stream
|
|
*
|
|
* @param _s opaque handle returned by stream_new()
|
|
*****************************************************************************/
|
|
#define stream_free(_s) free_stream(_s)
|
|
|
|
#define stream_rd_u8(_s, _var) in_uint8(_s, _var)
|
|
#define stream_rd_u16_le(_s, _var) in_uint16_le(_s, _var)
|
|
#define stream_rd_u32_le(_s, _var) in_uint32_le(_s, _var)
|
|
|
|
#define stream_rd_s8_le(_s, _var) in_sint8(_s, _var)
|
|
#define stream_rd_s16_le(_s, _var) in_sint16_le(_s, _var)
|
|
#define stream_rd_s32_le(_s, _var) TODO
|
|
|
|
#define stream_wr_u8(_s, _var) out_uint8(_s, _var)
|
|
#define stream_wr_u16_le(_s, _var) out_uint16_le(_s, _var)
|
|
#define stream_wr_u32_le(_s, _var) out_uint32_le(_s, _var)
|
|
|
|
#define stream_wr_s8(_s, _var) TODO
|
|
#define stream_wr_s16_le(_s, _var) TODO
|
|
#define stream_wr_s32_le(_s, _var) TODO
|
|
|
|
#define stream_rd_u64_le(_s, _v) \
|
|
do \
|
|
{ \
|
|
_v = \
|
|
(tui64)(*((unsigned char *)_s->p)) | \
|
|
(((tui64) (*(((unsigned char *)_s->p) + 1))) << 8) | \
|
|
(((tui64) (*(((unsigned char *)_s->p) + 2))) << 16) | \
|
|
(((tui64) (*(((unsigned char *)_s->p) + 3))) << 24) | \
|
|
(((tui64) (*(((unsigned char *)_s->p) + 4))) << 32) | \
|
|
(((tui64) (*(((unsigned char *)_s->p) + 5))) << 40) | \
|
|
(((tui64) (*(((unsigned char *)_s->p) + 6))) << 48) | \
|
|
(((tui64) (*(((unsigned char *)_s->p) + 7))) << 56); \
|
|
_s->p += 8; \
|
|
} while (0)
|
|
|
|
#define stream_wr_u64_le(_s, _v) \
|
|
do \
|
|
{ \
|
|
*(((unsigned char *) _s->p) + 0) = (unsigned char) ((_v >> 0) & 0xff); \
|
|
*(((unsigned char *) _s->p) + 1) = (unsigned char) ((_v >> 8) & 0xff); \
|
|
*(((unsigned char *) _s->p) + 2) = (unsigned char) ((_v >> 16) & 0xff); \
|
|
*(((unsigned char *) _s->p) + 3) = (unsigned char) ((_v >> 24) & 0xff); \
|
|
*(((unsigned char *) _s->p) + 4) = (unsigned char) ((_v >> 32) & 0xff); \
|
|
*(((unsigned char *) _s->p) + 5) = (unsigned char) ((_v >> 40) & 0xff); \
|
|
*(((unsigned char *) _s->p) + 6) = (unsigned char) ((_v >> 48) & 0xff); \
|
|
*(((unsigned char *) _s->p) + 7) = (unsigned char) ((_v >> 56) & 0xff); \
|
|
_s->p += 8; \
|
|
} while (0)
|
|
|
|
/* copy data into stream */
|
|
#define stream_copyin(_s, _dest, _len) \
|
|
do \
|
|
{ \
|
|
memcpy((_s)->p, (_dest), (_len)); \
|
|
(_s)->p += (_len); \
|
|
} while (0)
|
|
|
|
/* copy data out of stream */
|
|
#define stream_copyout(_dest, _s, _len) \
|
|
{ \
|
|
do \
|
|
memcpy((_dest), (_s)->p, (_len)); \
|
|
(_s)->p += (_len); \
|
|
} while (0)
|
|
|
|
#define stream_rd_string(_dest, _s, _len) \
|
|
do \
|
|
{ \
|
|
memcpy((_dest), (_s)->p, (_len)); \
|
|
(_s)->p += (_len); \
|
|
} while (0)
|
|
|
|
#define stream_wr_string(_s, _src, _len) \
|
|
do \
|
|
{ \
|
|
memcpy((_s)->p, (_src), (_len)); \
|
|
(_s)->p += (_len); \
|
|
} while (0)
|
|
|
|
#define stream_len(_s) (int) ((_s)->p - (_s)->data)
|
|
#define stream_seek(_s, _len) (_s)->p += (_len)
|
|
|
|
#endif
|