Xdmcp.h
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上传日期:2022-06-04
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流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /* $XdotOrg: xc/lib/Xdmcp/Xdmcp.h,v 1.2 2004/04/23 18:43:41 eich Exp $ */
- /* $Xorg: Xdmcp.h,v 1.7 2001/04/13 14:43:00 steve Exp $ */
- /*
- * Copyright 1989 Network Computing Devices, Inc., Mountain View, California.
- *
- * Permission to use, copy, modify, and distribute this software and its
- * documentation for any purpose and without fee is hereby granted, provided
- * that the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of N.C.D. not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. N.C.D. makes no representations about the
- * suitability of this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- *
- */
- /* $XFree86: xc/lib/Xdmcp/Xdmcp.h,v 3.7 2003/07/09 15:27:29 tsi Exp $ */
- #ifndef _XDMCP_H_
- #define _XDMCP_H_
- #include <X11/Xmd.h>
- #include <X11/Xfuncproto.h>
- _XFUNCPROTOBEGIN
- #define XDM_PROTOCOL_VERSION 1
- #define XDM_UDP_PORT 177
- /* IANA has assigned FF0X:0:0:0:0:0:0:12B as the permanently assigned
- * multicast addresses for XDMCP, where X in the prefix may be replaced
- * by any valid scope identifier, such as 1 for Node-Local, 2 for Link-Local,
- * 5 for Site-Local, and so on. We set the default here to the Link-Local
- * version to most closely match the old IPv4 subnet broadcast behavior.
- * Both xdm and X -query allow specifying a different address if a different
- * scope is defined.
- */
- #define XDM_DEFAULT_MCAST_ADDR6 "ff02:0:0:0:0:0:0:12b"
- #define XDM_MAX_MSGLEN 8192
- #define XDM_MIN_RTX 2
- #define XDM_MAX_RTX 32
- #define XDM_RTX_LIMIT 7
- #define XDM_KA_RTX_LIMIT 4
- #define XDM_DEF_DORMANCY (3 * 60) /* 3 minutes */
- #define XDM_MAX_DORMANCY (24 * 60 * 60) /* 24 hours */
- typedef enum {
- BROADCAST_QUERY = 1, QUERY, INDIRECT_QUERY, FORWARD_QUERY,
- WILLING, UNWILLING, REQUEST, ACCEPT, DECLINE, MANAGE, REFUSE,
- FAILED, KEEPALIVE, ALIVE
- } xdmOpCode;
- typedef enum {
- XDM_QUERY, XDM_BROADCAST, XDM_INDIRECT, XDM_COLLECT_QUERY,
- XDM_COLLECT_BROADCAST_QUERY, XDM_COLLECT_INDIRECT_QUERY,
- XDM_START_CONNECTION, XDM_AWAIT_REQUEST_RESPONSE,
- XDM_AWAIT_MANAGE_RESPONSE, XDM_MANAGE, XDM_RUN_SESSION, XDM_OFF,
- XDM_AWAIT_USER_INPUT, XDM_KEEPALIVE, XDM_AWAIT_ALIVE_RESPONSE,
- #if defined(IPv6) && defined(AF_INET6)
- XDM_MULTICAST, XDM_COLLECT_MULTICAST_QUERY,
- #endif
- XDM_KEEP_ME_LAST
- } xdmcp_states;
- #ifdef NOTDEF
- /* table of hosts */
- #define XDM_MAX_STR_LEN 21
- #define XDM_MAX_HOSTS 20
- struct xdm_host_table {
- struct sockaddr_in sockaddr;
- char name[XDM_MAX_STR_LEN];
- char status[XDM_MAX_STR_LEN];
- };
- #endif /* NOTDEF */
- typedef CARD8 *CARD8Ptr;
- typedef CARD16 *CARD16Ptr;
- typedef CARD32 *CARD32Ptr;
- typedef struct _ARRAY8 {
- CARD16 length;
- CARD8Ptr data;
- } ARRAY8, *ARRAY8Ptr;
- typedef struct _ARRAY16 {
- CARD8 length;
- CARD16Ptr data;
- } ARRAY16, *ARRAY16Ptr;
- typedef struct _ARRAY32 {
- CARD8 length;
- CARD32Ptr data;
- } ARRAY32, *ARRAY32Ptr;
- typedef struct _ARRAYofARRAY8 {
- CARD8 length;
- ARRAY8Ptr data;
- } ARRAYofARRAY8, *ARRAYofARRAY8Ptr;
- typedef struct _XdmcpHeader {
- CARD16 version, opcode, length;
- } XdmcpHeader, *XdmcpHeaderPtr;
- typedef struct _XdmcpBuffer {
- BYTE *data;
- int size; /* size of buffer pointed by to data */
- int pointer; /* current index into data */
- int count; /* bytes read from network into data */
- } XdmcpBuffer, *XdmcpBufferPtr;
- typedef struct _XdmAuthKey {
- BYTE data[8];
- } XdmAuthKeyRec, *XdmAuthKeyPtr;
- /* implementation-independent network address structure.
- Equiv to sockaddr* for sockets and netbuf* for STREAMS. */
- typedef char *XdmcpNetaddr;
- extern int XdmcpWriteARRAY16(XdmcpBufferPtr buffer, ARRAY16Ptr array);
- extern int XdmcpWriteARRAY32(XdmcpBufferPtr buffer, ARRAY32Ptr array);
- extern int XdmcpWriteARRAY8(XdmcpBufferPtr buffer, ARRAY8Ptr array);
- extern int XdmcpWriteARRAYofARRAY8(XdmcpBufferPtr buffer, ARRAYofARRAY8Ptr array);
- extern int XdmcpWriteCARD16(XdmcpBufferPtr buffer, unsigned value);
- extern int XdmcpWriteCARD32(XdmcpBufferPtr buffer, unsigned value);
- extern int XdmcpWriteCARD8(XdmcpBufferPtr buffer, unsigned value);
- extern int XdmcpWriteHeader(XdmcpBufferPtr buffer, XdmcpHeaderPtr header);
- extern int XdmcpFlush(int fd, XdmcpBufferPtr buffer, XdmcpNetaddr to, int tolen);
- extern int XdmcpReadARRAY16(XdmcpBufferPtr buffer, ARRAY16Ptr array);
- extern int XdmcpReadARRAY32(XdmcpBufferPtr buffer, ARRAY32Ptr array);
- extern int XdmcpReadARRAY8(XdmcpBufferPtr buffer, ARRAY8Ptr array);
- extern int XdmcpReadARRAYofARRAY8(XdmcpBufferPtr buffer, ARRAYofARRAY8Ptr array);
- extern int XdmcpReadCARD16(XdmcpBufferPtr buffer, CARD16Ptr valuep);
- extern int XdmcpReadCARD32(XdmcpBufferPtr buffer, CARD32Ptr valuep);
- extern int XdmcpReadCARD8(XdmcpBufferPtr buffer, CARD8Ptr valuep);
- extern int XdmcpReadHeader(XdmcpBufferPtr buffer, XdmcpHeaderPtr header);
- extern int XdmcpFill(int fd, XdmcpBufferPtr buffer, XdmcpNetaddr from, int *fromlen);
- extern int XdmcpReadRemaining(XdmcpBufferPtr buffer);
- extern void XdmcpDisposeARRAY8(ARRAY8Ptr array);
- extern void XdmcpDisposeARRAY16(ARRAY16Ptr array);
- extern void XdmcpDisposeARRAY32(ARRAY32Ptr array);
- extern void XdmcpDisposeARRAYofARRAY8(ARRAYofARRAY8Ptr array);
- extern int XdmcpCopyARRAY8(ARRAY8Ptr src, ARRAY8Ptr dst);
- extern int XdmcpARRAY8Equal(ARRAY8Ptr array1, ARRAY8Ptr array2);
- extern void XdmcpGenerateKey (XdmAuthKeyPtr key);
- extern void XdmcpIncrementKey (XdmAuthKeyPtr key);
- extern void XdmcpDecrementKey (XdmAuthKeyPtr key);
- #ifdef HASXDMAUTH
- extern void XdmcpWrap(unsigned char *input, unsigned char *wrapper, unsigned char *output, int bytes);
- extern void XdmcpUnwrap(unsigned char *input, unsigned char *wrapper, unsigned char *output, int bytes);
- #endif
- #ifndef TRUE
- #define TRUE 1
- #define FALSE 0
- #endif
- #if !defined(Xalloc) && !defined(xalloc) && !defined(Xrealloc)
- extern void *Xalloc (unsigned long amount);
- extern void *Xrealloc (void *old, unsigned long amount);
- extern void Xfree(void *old);
- #endif
- extern int XdmcpCompareKeys (XdmAuthKeyPtr a, XdmAuthKeyPtr b);
- extern int XdmcpAllocARRAY16 (ARRAY16Ptr array, int length);
- extern int XdmcpAllocARRAY32 (ARRAY32Ptr array, int length);
- extern int XdmcpAllocARRAY8 (ARRAY8Ptr array, int length);
- extern int XdmcpAllocARRAYofARRAY8 (ARRAYofARRAY8Ptr array, int length);
- extern int XdmcpReallocARRAY16 (ARRAY16Ptr array, int length);
- extern int XdmcpReallocARRAY32 (ARRAY32Ptr array, int length);
- extern int XdmcpReallocARRAY8 (ARRAY8Ptr array, int length);
- extern int XdmcpReallocARRAYofARRAY8 (ARRAYofARRAY8Ptr array, int length);
- _XFUNCPROTOEND
- #endif /* _XDMCP_H_ */