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-rw-r--r--noncore/net/opierdesktop/parse.h108
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diff --git a/noncore/net/opierdesktop/parse.h b/noncore/net/opierdesktop/parse.h
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1/*
2 rdesktop: A Remote Desktop Protocol client.
3 Parsing primitives
4 Copyright (C) Matthew Chapman 1999-2002
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19*/
20
21/* Parser state */
22typedef struct stream
23{
24 unsigned char *p;
25 unsigned char *end;
26 unsigned char *data;
27 unsigned int size;
28 //unsigned char *next_packet;
29
30
31 /* Offsets of various headers */
32 unsigned char *iso_hdr;
33 unsigned char *mcs_hdr;
34 unsigned char *sec_hdr;
35 unsigned char *rdp_hdr;
36
37}
38 *STREAM;
39
40 #define s_push_layer(s,h,n){ (s)->h = (s)->p; (s)->p += n; }
41 #define s_pop_layer(s,h)(s)->p = (s)->h;
42 #define s_mark_end(s) (s)->end = (s)->p;
43 #define s_check(s) ((s)->p <= (s)->end)
44 #define s_check_rem(s,n)((s)->p + n <= (s)->end)
45 #define s_check_end(s) ((s)->p == (s)->end)
46
47#if defined(L_ENDIAN) && !defined(NEED_ALIGN)
48 #define in_uint16_le(s,v){ v = *(uint16 *)((s)->p); (s)->p += 2; }
49 #define in_uint32_le(s,v){ v = *(uint32 *)((s)->p); (s)->p += 4; }
50 #define out_uint16_le(s,v){ *(uint16 *)((s)->p) = v; (s)->p += 2; }
51 #define out_uint32_le(s,v){ *(uint32 *)((s)->p) = v; (s)->p += 4; }
52
53#else
54 #define in_uint16_le(s,v){ v = *((s)->p++); v += *((s)->p++) << 8; }
55 #define in_uint32_le(s,v){ in_uint16_le(s,v) \
56 v += *((s)->p++) << 16; v += *((s)->p++) << 24; }
57 #define out_uint16_le(s,v){ *((s)->p++) = (v) & 0xff; *((s)->p++) = ((v) >> 8) & 0xff; }
58 #define out_uint32_le(s,v){ out_uint16_le(s, (v) & 0xffff); out_uint16_le(s, ((v) >> 16) & 0xffff); }
59#endif
60
61#if defined(B_ENDIAN) && !defined(NEED_ALIGN)
62 #define in_uint16_be(s,v){ v = *(uint16 *)((s)->p); (s)->p += 2; }
63 #define in_uint32_be(s,v){ v = *(uint32 *)((s)->p); (s)->p += 4; }
64 #define out_uint16_be(s,v){ *(uint16 *)((s)->p) = v; (s)->p += 2; }
65 #define out_uint32_be(s,v){ *(uint32 *)((s)->p) = v; (s)->p += 4; }
66
67#define B_ENDIAN_PREFERRED
68 #define in_uint16(s,v) in_uint16_be(s,v)
69 #define in_uint32(s,v) in_uint32_be(s,v)
70 #define out_uint16(s,v) out_uint16_be(s,v)
71 #define out_uint32(s,v) out_uint32_be(s,v)
72
73#else
74 #define next_be(s,v) v = ((v) << 8) + *((s)->p++);
75 #define in_uint16_be(s,v){ v = *((s)->p++); next_be(s,v); }
76 #define in_uint32_be(s,v){ in_uint16_be(s,v); next_be(s,v); next_be(s,v); }
77 #define out_uint16_be(s,v){ *((s)->p++) = ((v) >> 8) & 0xff; *((s)->p++) = (v) & 0xff; }
78 #define out_uint32_be(s,v){ out_uint16_be(s, ((v) >> 16) & 0xffff); out_uint16_be(s, (v) & 0xffff); }
79#endif
80
81#ifndef B_ENDIAN_PREFERRED
82 #define in_uint16(s,v) in_uint16_le(s,v)
83 #define in_uint32(s,v) in_uint32_le(s,v)
84 #define out_uint16(s,v) out_uint16_le(s,v)
85 #define out_uint32(s,v) out_uint32_le(s,v)
86#endif
87
88 #define in_uint8(s,v) v = *((s)->p++);
89 #define in_uint8p(s,v,n){ v = (s)->p; (s)->p += n; }
90 #define in_uint8a(s,v,n){ memcpy(v,(s)->p,n); (s)->p += n; }
91 #define in_uint8s(s,n) (s)->p += n;
92 #define out_uint8(s,v) *((s)->p++) = v;
93 #define out_uint8p(s,v,n){ memcpy((s)->p,v,n); (s)->p += n; }
94 #define out_uint8a(s,v,n)out_uint8p(s,v,n);
95 #define out_uint8s(s,n) { memset((s)->p,0,n); (s)->p += n; }
96
97#if defined(B_ENDIAN)
98
99#endif
100#if defined(B_ENDIAN_PREFERRED)
101
102#endif
103#if defined(NEED_ALIGN)
104
105#endif
106#if defined(L_ENDIAN)
107
108#endif