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comparison CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/X11/Xdmcp.h @ 69:33d812a61356

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planemo upload commit 2e9511a184a1ca667c7be0c6321a36dc4e3d116d
author jpayne
date Tue, 18 Mar 2025 17:55:14 -0400
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67:0e9998148a16 69:33d812a61356
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
46 typedef 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
52 typedef 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
69 struct 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
76 typedef CARD8 *CARD8Ptr;
77 typedef CARD16 *CARD16Ptr;
78 typedef CARD32 *CARD32Ptr;
79
80 typedef struct _ARRAY8 {
81 CARD16 length;
82 CARD8Ptr data;
83 } ARRAY8, *ARRAY8Ptr;
84
85 typedef struct _ARRAY16 {
86 CARD8 length;
87 CARD16Ptr data;
88 } ARRAY16, *ARRAY16Ptr;
89
90 typedef struct _ARRAY32 {
91 CARD8 length;
92 CARD32Ptr data;
93 } ARRAY32, *ARRAY32Ptr;
94
95 typedef struct _ARRAYofARRAY8 {
96 CARD8 length;
97 ARRAY8Ptr data;
98 } ARRAYofARRAY8, *ARRAYofARRAY8Ptr;
99
100 typedef struct _XdmcpHeader {
101 CARD16 version, opcode, length;
102 } XdmcpHeader, *XdmcpHeaderPtr;
103
104 typedef 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
111 typedef struct _XdmAuthKey {
112 BYTE data[8];
113 } XdmAuthKeyRec, *XdmAuthKeyPtr;
114
115
116 /* implementation-independent network address structure.
117 Equiv to sockaddr* for sockets. */
118
119 typedef 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
131 XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((read_only, 2))
132 extern int XdmcpWriteARRAY16(XdmcpBufferPtr buffer, const ARRAY16Ptr array);
133 XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((read_only, 2))
134 extern int XdmcpWriteARRAY32(XdmcpBufferPtr buffer, const ARRAY32Ptr array);
135 XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((read_only, 2))
136 extern int XdmcpWriteARRAY8(XdmcpBufferPtr buffer, const ARRAY8Ptr array);
137 XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((read_only, 2))
138 extern int XdmcpWriteARRAYofARRAY8(XdmcpBufferPtr buffer, const ARRAYofARRAY8Ptr array);
139 XDM_ACCESS_ATTRIBUTE((read_write, 1))
140 extern int XdmcpWriteCARD16(XdmcpBufferPtr buffer, unsigned value);
141 XDM_ACCESS_ATTRIBUTE((read_write, 1))
142 extern int XdmcpWriteCARD32(XdmcpBufferPtr buffer, unsigned value);
143 XDM_ACCESS_ATTRIBUTE((read_write, 1))
144 extern int XdmcpWriteCARD8(XdmcpBufferPtr buffer, unsigned value);
145 XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((read_only, 2))
146 extern int XdmcpWriteHeader(XdmcpBufferPtr buffer, const XdmcpHeaderPtr header);
147
148 XDM_ACCESS_ATTRIBUTE((read_only, 2))
149 extern int XdmcpFlush(int fd, XdmcpBufferPtr buffer, XdmcpNetaddr to, int tolen);
150
151 XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((write_only, 2))
152 extern int XdmcpReadARRAY16(XdmcpBufferPtr buffer, ARRAY16Ptr array);
153 XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((write_only, 2))
154 extern int XdmcpReadARRAY32(XdmcpBufferPtr buffer, ARRAY32Ptr array);
155 XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((write_only, 2))
156 extern int XdmcpReadARRAY8(XdmcpBufferPtr buffer, ARRAY8Ptr array);
157 XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((write_only, 2))
158 extern int XdmcpReadARRAYofARRAY8(XdmcpBufferPtr buffer, ARRAYofARRAY8Ptr array);
159 XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((write_only, 2))
160 extern int XdmcpReadCARD16(XdmcpBufferPtr buffer, CARD16Ptr valuep);
161 XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((write_only, 2))
162 extern int XdmcpReadCARD32(XdmcpBufferPtr buffer, CARD32Ptr valuep);
163 XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((write_only, 2))
164 extern int XdmcpReadCARD8(XdmcpBufferPtr buffer, CARD8Ptr valuep);
165 XDM_ACCESS_ATTRIBUTE((read_write, 1)) XDM_ACCESS_ATTRIBUTE((write_only, 2))
166 extern int XdmcpReadHeader(XdmcpBufferPtr buffer, XdmcpHeaderPtr header);
167
168 XDM_ACCESS_ATTRIBUTE((read_write, 2))
169 extern int XdmcpFill(int fd, XdmcpBufferPtr buffer, XdmcpNetaddr from, int *fromlen);
170
171 XDM_ACCESS_ATTRIBUTE((read_only, 1))
172 extern int XdmcpReadRemaining(const XdmcpBufferPtr buffer);
173
174 XDM_ACCESS_ATTRIBUTE((read_write, 1))
175 extern void XdmcpDisposeARRAY8(ARRAY8Ptr array);
176 XDM_ACCESS_ATTRIBUTE((read_write, 1))
177 extern void XdmcpDisposeARRAY16(ARRAY16Ptr array);
178 XDM_ACCESS_ATTRIBUTE((read_write, 1))
179 extern void XdmcpDisposeARRAY32(ARRAY32Ptr array);
180 XDM_ACCESS_ATTRIBUTE((read_write, 1))
181 extern void XdmcpDisposeARRAYofARRAY8(ARRAYofARRAY8Ptr array);
182
183 XDM_ACCESS_ATTRIBUTE((read_only, 1)) XDM_ACCESS_ATTRIBUTE((write_only, 2))
184 extern int XdmcpCopyARRAY8(const ARRAY8Ptr src, ARRAY8Ptr dst);
185
186 XDM_ACCESS_ATTRIBUTE((read_only, 1)) XDM_ACCESS_ATTRIBUTE((read_only, 2))
187 extern int XdmcpARRAY8Equal(const ARRAY8Ptr array1, const ARRAY8Ptr array2);
188
189 XDM_ACCESS_ATTRIBUTE((write_only, 1))
190 extern void XdmcpGenerateKey (XdmAuthKeyPtr key);
191 extern void XdmcpIncrementKey (XdmAuthKeyPtr key);
192 extern void XdmcpDecrementKey (XdmAuthKeyPtr key);
193 #ifdef HASXDMAUTH
194 extern void XdmcpWrap(unsigned char *input, unsigned char *wrapper, unsigned char *output, int bytes);
195 extern 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
203 XDM_ACCESS_ATTRIBUTE((read_only, 1)) XDM_ACCESS_ATTRIBUTE((read_only, 2))
204 extern int XdmcpCompareKeys (const XdmAuthKeyPtr a, const XdmAuthKeyPtr b);
205
206 XDM_ACCESS_ATTRIBUTE((write_only, 1))
207 extern int XdmcpAllocARRAY16 (ARRAY16Ptr array, int length);
208 XDM_ACCESS_ATTRIBUTE((write_only, 1))
209 extern int XdmcpAllocARRAY32 (ARRAY32Ptr array, int length);
210 XDM_ACCESS_ATTRIBUTE((write_only, 1))
211 extern int XdmcpAllocARRAY8 (ARRAY8Ptr array, int length);
212 XDM_ACCESS_ATTRIBUTE((write_only, 1))
213 extern int XdmcpAllocARRAYofARRAY8 (ARRAYofARRAY8Ptr array, int length);
214
215 XDM_ACCESS_ATTRIBUTE((read_write, 1))
216 extern int XdmcpReallocARRAY16 (ARRAY16Ptr array, int length);
217 XDM_ACCESS_ATTRIBUTE((read_write, 1))
218 extern int XdmcpReallocARRAY32 (ARRAY32Ptr array, int length);
219 XDM_ACCESS_ATTRIBUTE((read_write, 1))
220 extern int XdmcpReallocARRAY8 (ARRAY8Ptr array, int length);
221 XDM_ACCESS_ATTRIBUTE((read_write, 1))
222 extern int XdmcpReallocARRAYofARRAY8 (ARRAYofARRAY8Ptr array, int length);
223
224 _XFUNCPROTOEND
225
226 #endif /* _XDMCP_H_ */