/* * 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. * */ #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, const ARRAY16Ptr array); extern int XdmcpWriteARRAY32(XdmcpBufferPtr buffer, const ARRAY32Ptr array); extern int XdmcpWriteARRAY8(XdmcpBufferPtr buffer, const ARRAY8Ptr array); extern int XdmcpWriteARRAYofARRAY8(XdmcpBufferPtr buffer, const 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, const 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(const 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(const ARRAY8Ptr src, ARRAY8Ptr dst); extern int XdmcpARRAY8Equal(const ARRAY8Ptr array1, const 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 extern int XdmcpCompareKeys (const XdmAuthKeyPtr a, const 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_ */