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