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ShaderPlayground / deps / xlibre / include / X11 / Xdmcp.h
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1/*
2 * Copyright 1989 Network Computing Devices, Inc., Mountain View, California.
3 *
4 * Permission to use, copy, modify, and distribute this software and its
5 * documentation for any purpose and without fee is hereby granted, provided
6 * that the above copyright notice appear in all copies and that both that
7 * copyright notice and this permission notice appear in supporting
8 * documentation, and that the name of N.C.D. not be used in advertising or
9 * publicity pertaining to distribution of the software without specific,
10 * written prior permission. N.C.D. makes no representations about the
11 * suitability of this software for any purpose. It is provided "as is"
12 * without express or implied warranty.
13 *
14 */
15
16#ifndef _XDMCP_H_
17#define _XDMCP_H_
18
19#include <X11/Xmd.h>
20
21#include <X11/Xfuncproto.h>
22
23_XFUNCPROTOBEGIN
24
25#define XDM_PROTOCOL_VERSION 1
26#define XDM_UDP_PORT 177
27
28/* IANA has assigned FF0X:0:0:0:0:0:0:12B as the permanently assigned
29 * multicast addresses for XDMCP, where X in the prefix may be replaced
30 * by any valid scope identifier, such as 1 for Node-Local, 2 for Link-Local,
31 * 5 for Site-Local, and so on. We set the default here to the Link-Local
32 * version to most closely match the old IPv4 subnet broadcast behavior.
33 * Both xdm and X -query allow specifying a different address if a different
34 * scope is defined.
35 */
36#define XDM_DEFAULT_MCAST_ADDR6 "ff02:0:0:0:0:0:0:12b"
37
38#define XDM_MAX_MSGLEN 8192
39#define XDM_MIN_RTX 2
40#define XDM_MAX_RTX 32
41#define XDM_RTX_LIMIT 7
42#define XDM_KA_RTX_LIMIT 4
43#define XDM_DEF_DORMANCY (3 * 60) /* 3 minutes */
44#define XDM_MAX_DORMANCY (24 * 60 * 60) /* 24 hours */
45
46typedef enum {
47 BROADCAST_QUERY = 1, QUERY, INDIRECT_QUERY, FORWARD_QUERY,
48 WILLING, UNWILLING, REQUEST, ACCEPT, DECLINE, MANAGE, REFUSE,
49 FAILED, KEEPALIVE, ALIVE
50} xdmOpCode;
51
52typedef enum {
53 XDM_QUERY, XDM_BROADCAST, XDM_INDIRECT, XDM_COLLECT_QUERY,
54 XDM_COLLECT_BROADCAST_QUERY, XDM_COLLECT_INDIRECT_QUERY,
55 XDM_START_CONNECTION, XDM_AWAIT_REQUEST_RESPONSE,
56 XDM_AWAIT_MANAGE_RESPONSE, XDM_MANAGE, XDM_RUN_SESSION, XDM_OFF,
57 XDM_AWAIT_USER_INPUT, XDM_KEEPALIVE, XDM_AWAIT_ALIVE_RESPONSE,
58#if defined(IPv6) && defined(AF_INET6)
59 XDM_MULTICAST, XDM_COLLECT_MULTICAST_QUERY,
60#endif
61 XDM_KEEP_ME_LAST
62} xdmcp_states;
63
64#ifdef NOTDEF
65/* table of hosts */
66
67#define XDM_MAX_STR_LEN 21
68#define XDM_MAX_HOSTS 20
69struct xdm_host_table {
70 struct sockaddr_in sockaddr;
71 char name[XDM_MAX_STR_LEN];
72 char status[XDM_MAX_STR_LEN];
73};
74#endif /* NOTDEF */
75
76typedef CARD8 *CARD8Ptr;
77typedef CARD16 *CARD16Ptr;
78typedef CARD32 *CARD32Ptr;
79
80typedef struct _ARRAY8 {
81 CARD16 length;
82 CARD8Ptr data;
83} ARRAY8, *ARRAY8Ptr;
84
85typedef struct _ARRAY16 {
86 CARD8 length;
87 CARD16Ptr data;
88} ARRAY16, *ARRAY16Ptr;
89
90typedef struct _ARRAY32 {
91 CARD8 length;
92 CARD32Ptr data;
93} ARRAY32, *ARRAY32Ptr;
94
95typedef struct _ARRAYofARRAY8 {
96 CARD8 length;
97 ARRAY8Ptr data;
98} ARRAYofARRAY8, *ARRAYofARRAY8Ptr;
99
100typedef struct _XdmcpHeader {
101 CARD16 version, opcode, length;
102} XdmcpHeader, *XdmcpHeaderPtr;
103
104typedef struct _XdmcpBuffer {
105 BYTE *data;
106 int size; /* size of buffer pointed by to data */
107 int pointer; /* current index into data */
108 int count; /* bytes read from network into data */
109} XdmcpBuffer, *XdmcpBufferPtr;
110
111typedef struct _XdmAuthKey {
112 BYTE data[8];
113} XdmAuthKeyRec, *XdmAuthKeyPtr;
114
115
116/* implementation-independent network address structure.
117 Equiv to sockaddr* for sockets. */
118
119typedef char *XdmcpNetaddr;
120
121#ifndef __has_attribute
122# define __has_attribute(x) 0 /* Compatibility with older compilers */
123#endif
124
125#if __has_attribute(access)
126# define XDM_ACCESS_ATTRIBUTE(X) __attribute__((access X))
127#else
128# define XDM_ACCESS_ATTRIBUTE(X)
129#endif
130
131XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((read_only, 2))
132extern int XdmcpWriteARRAY16(XdmcpBufferPtr buffer, const ARRAY16Ptr array);
133XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((read_only, 2))
134extern int XdmcpWriteARRAY32(XdmcpBufferPtr buffer, const ARRAY32Ptr array);
135XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((read_only, 2))
136extern int XdmcpWriteARRAY8(XdmcpBufferPtr buffer, const ARRAY8Ptr array);
137XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((read_only, 2))
138extern int XdmcpWriteARRAYofARRAY8(XdmcpBufferPtr buffer, const ARRAYofARRAY8Ptr array);
139XDM_ACCESS_ATTRIBUTE((read_write, 1))
140extern int XdmcpWriteCARD16(XdmcpBufferPtr buffer, unsigned value);
141XDM_ACCESS_ATTRIBUTE((read_write, 1))
142extern int XdmcpWriteCARD32(XdmcpBufferPtr buffer, unsigned value);
143XDM_ACCESS_ATTRIBUTE((read_write, 1))
144extern int XdmcpWriteCARD8(XdmcpBufferPtr buffer, unsigned value);
145XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((read_only, 2))
146extern int XdmcpWriteHeader(XdmcpBufferPtr buffer, const XdmcpHeaderPtr header);
147
148XDM_ACCESS_ATTRIBUTE((read_only, 2))
149extern int XdmcpFlush(int fd, XdmcpBufferPtr buffer, XdmcpNetaddr to, int tolen);
150
151XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((write_only, 2))
152extern int XdmcpReadARRAY16(XdmcpBufferPtr buffer, ARRAY16Ptr array);
153XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((write_only, 2))
154extern int XdmcpReadARRAY32(XdmcpBufferPtr buffer, ARRAY32Ptr array);
155XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((write_only, 2))
156extern int XdmcpReadARRAY8(XdmcpBufferPtr buffer, ARRAY8Ptr array);
157XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((write_only, 2))
158extern int XdmcpReadARRAYofARRAY8(XdmcpBufferPtr buffer, ARRAYofARRAY8Ptr array);
159XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((write_only, 2))
160extern int XdmcpReadCARD16(XdmcpBufferPtr buffer, CARD16Ptr valuep);
161XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((write_only, 2))
162extern int XdmcpReadCARD32(XdmcpBufferPtr buffer, CARD32Ptr valuep);
163XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((write_only, 2))
164extern int XdmcpReadCARD8(XdmcpBufferPtr buffer, CARD8Ptr valuep);
165XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((write_only, 2))
166extern int XdmcpReadHeader(XdmcpBufferPtr buffer, XdmcpHeaderPtr header);
167
168XDM_ACCESS_ATTRIBUTE((read_write, 2))
169extern int XdmcpFill(int fd, XdmcpBufferPtr buffer, XdmcpNetaddr from, int *fromlen);
170
171XDM_ACCESS_ATTRIBUTE((read_only, 1))
172extern int XdmcpReadRemaining(const XdmcpBufferPtr buffer);
173
174XDM_ACCESS_ATTRIBUTE((read_write, 1))
175extern void XdmcpDisposeARRAY8(ARRAY8Ptr array);
176XDM_ACCESS_ATTRIBUTE((read_write, 1))
177extern void XdmcpDisposeARRAY16(ARRAY16Ptr array);
178XDM_ACCESS_ATTRIBUTE((read_write, 1))
179extern void XdmcpDisposeARRAY32(ARRAY32Ptr array);
180XDM_ACCESS_ATTRIBUTE((read_write, 1))
181extern void XdmcpDisposeARRAYofARRAY8(ARRAYofARRAY8Ptr array);
182
183XDM_ACCESS_ATTRIBUTE((read_only, 1)) XDM_ACCESS_ATTRIBUTE((write_only, 2))
184extern int XdmcpCopyARRAY8(const ARRAY8Ptr src, ARRAY8Ptr dst);
185
186XDM_ACCESS_ATTRIBUTE((read_only, 1)) XDM_ACCESS_ATTRIBUTE((read_only, 2))
187extern int XdmcpARRAY8Equal(const ARRAY8Ptr array1, const ARRAY8Ptr array2);
188
189XDM_ACCESS_ATTRIBUTE((write_only, 1))
190extern void XdmcpGenerateKey (XdmAuthKeyPtr key);
191extern void XdmcpIncrementKey (XdmAuthKeyPtr key);
192extern void XdmcpDecrementKey (XdmAuthKeyPtr key);
193#ifdef HASXDMAUTH
194extern void XdmcpWrap(unsigned char *input, unsigned char *wrapper, unsigned char *output, int bytes);
195extern void XdmcpUnwrap(unsigned char *input, unsigned char *wrapper, unsigned char *output, int bytes);
196#endif
197
198#ifndef TRUE
199#define TRUE 1
200#define FALSE 0
201#endif
202
203XDM_ACCESS_ATTRIBUTE((read_only, 1)) XDM_ACCESS_ATTRIBUTE((read_only, 2))
204extern int XdmcpCompareKeys (const XdmAuthKeyPtr a, const XdmAuthKeyPtr b);
205
206XDM_ACCESS_ATTRIBUTE((write_only, 1))
207extern int XdmcpAllocARRAY16 (ARRAY16Ptr array, int length);
208XDM_ACCESS_ATTRIBUTE((write_only, 1))
209extern int XdmcpAllocARRAY32 (ARRAY32Ptr array, int length);
210XDM_ACCESS_ATTRIBUTE((write_only, 1))
211extern int XdmcpAllocARRAY8 (ARRAY8Ptr array, int length);
212XDM_ACCESS_ATTRIBUTE((write_only, 1))
213extern int XdmcpAllocARRAYofARRAY8 (ARRAYofARRAY8Ptr array, int length);
214
215XDM_ACCESS_ATTRIBUTE((read_write, 1))
216extern int XdmcpReallocARRAY16 (ARRAY16Ptr array, int length);
217XDM_ACCESS_ATTRIBUTE((read_write, 1))
218extern int XdmcpReallocARRAY32 (ARRAY32Ptr array, int length);
219XDM_ACCESS_ATTRIBUTE((read_write, 1))
220extern int XdmcpReallocARRAY8 (ARRAY8Ptr array, int length);
221XDM_ACCESS_ATTRIBUTE((read_write, 1))
222extern int XdmcpReallocARRAYofARRAY8 (ARRAYofARRAY8Ptr array, int length);
223
224_XFUNCPROTOEND
225
226#endif /* _XDMCP_H_ */