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/* $Xorg: ICE.h,v 1.4 2001/02/09 02:03:26 xorgcvs Exp $ */
/******************************************************************************
Copyright 1993, 1998 The Open Group
Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation.
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.
Author: Ralph Mor, X Consortium
******************************************************************************/
#ifndef _ICE_H_
#define _ICE_H_
/*
* Protocol Version
*/
#define IceProtoMajor 1
#define IceProtoMinor 0
/*
* Byte Order
*/
#define IceLSBfirst 0
#define IceMSBfirst 1
/*
* ICE minor opcodes
*/
#define ICE_Error 0
#define ICE_ByteOrder 1
#define ICE_ConnectionSetup 2
#define ICE_AuthRequired 3
#define ICE_AuthReply 4
#define ICE_AuthNextPhase 5
#define ICE_ConnectionReply 6
#define ICE_ProtocolSetup 7
#define ICE_ProtocolReply 8
#define ICE_Ping 9
#define ICE_PingReply 10
#define ICE_WantToClose 11
#define ICE_NoClose 12
/*
* Error severity
*/
#define IceCanContinue 0
#define IceFatalToProtocol 1
#define IceFatalToConnection 2
/*
* ICE error classes that are common to all protocols
*/
#define IceBadMinor 0x8000
#define IceBadState 0x8001
#define IceBadLength 0x8002
#define IceBadValue 0x8003
/*
* ICE error classes that are specific to the ICE protocol
*/
#define IceBadMajor 0
#define IceNoAuth 1
#define IceNoVersion 2
#define IceSetupFailed 3
#define IceAuthRejected 4
#define IceAuthFailed 5
#define IceProtocolDuplicate 6
#define IceMajorOpcodeDuplicate 7
#define IceUnknownProtocol 8
#endif /* _ICE_H_ */
/* $Xorg: ICEconn.h,v 1.5 2001/02/09 02:03:26 xorgcvs Exp $ */
/******************************************************************************
Copyright 1993, 1998 The Open Group
Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation.
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.
Author: Ralph Mor, X Consortium
******************************************************************************/
#ifndef _ICECONN_H_
#define _ICECONN_H_
#include <X11/ICE/ICElib.h>
/*
* Data structures for ICE connection object
*/
typedef struct _IceSavedReplyWait {
IceReplyWaitInfo *reply_wait;
Bool reply_ready;
struct _IceSavedReplyWait *next;
} _IceSavedReplyWait;
typedef struct _IcePingWait {
IcePingReplyProc ping_reply_proc;
IcePointer client_data;
struct _IcePingWait *next;
} _IcePingWait;
typedef struct {
char *vendor;
char *release;
int version_count;
IcePoVersionRec *version_recs;
int auth_count;
char **auth_names;
IcePoAuthProc *auth_procs;
IceIOErrorProc io_error_proc;
} _IcePoProtocol;
typedef struct {
char *vendor;
char *release;
int version_count;
IcePaVersionRec *version_recs;
IceProtocolSetupProc protocol_setup_proc;
IceProtocolActivateProc protocol_activate_proc;
int auth_count;
char **auth_names;
IcePaAuthProc *auth_procs;
IceHostBasedAuthProc host_based_auth_proc;
IceIOErrorProc io_error_proc;
} _IcePaProtocol;
typedef struct {
char *protocol_name;
_IcePoProtocol *orig_client;
_IcePaProtocol *accept_client;
} _IceProtocol;
typedef struct {
Bool in_use;
int my_opcode;
_IceProtocol *protocol;
IcePointer client_data;
Bool accept_flag;
union {
IcePaProcessMsgProc accept_client;
IcePoProcessMsgProc orig_client;
} process_msg_proc;
} _IceProcessMsgInfo;
typedef struct {
int his_version_index;
int my_version_index;
char *his_vendor;
char *his_release;
char my_auth_index;
IcePointer my_auth_state;
Bool must_authenticate;
} _IceConnectToMeInfo;
typedef struct {
int his_opcode;
int my_opcode;
int his_version_index;
int my_version_index;
char *his_vendor;
char *his_release;
char my_auth_index;
IcePointer my_auth_state;
Bool must_authenticate;
} _IceProtoSetupToMeInfo;
typedef struct {
Bool auth_active;
char my_auth_index;
IcePointer my_auth_state;
} _IceConnectToYouInfo;
typedef struct {
int my_opcode;
int my_auth_count;
int *my_auth_indices;
Bool auth_active;
char my_auth_index;
IcePointer my_auth_state;
} _IceProtoSetupToYouInfo;
struct _IceConn {
unsigned int io_ok : 1; /* did an IO error occur? */
unsigned int swap : 1; /* do we need to swap on reads? */
unsigned int waiting_for_byteorder : 1; /* waiting for a ByteOrder msg? */
unsigned int skip_want_to_close : 1; /* avoid shutdown negotiation? */
unsigned int want_to_close : 1; /* did we send a WantToClose? */
unsigned int free_asap : 1; /* free as soon as possible */
unsigned int unused1 : 2; /* future use */
unsigned int unused2 : 8; /* future use */
IceConnectStatus connection_status; /* pending, accepted, rejected */
unsigned char my_ice_version_index; /* which version are we using? */
struct _XtransConnInfo *trans_conn; /* transport connection object */
unsigned long send_sequence; /* Sequence # of last msg sent */
unsigned long receive_sequence; /* Sequence # of last msg received */
char *connection_string; /* network connection string */
char *vendor; /* other client's vendor */
char *release; /* other client's release */
char *inbuf; /* Input buffer starting address */
char *inbufptr; /* Input buffer index pointer */
char *inbufmax; /* Input buffer maximum+1 address */
char *outbuf; /* Output buffer starting address */
char *outbufptr; /* Output buffer index pointer */
char *outbufmax; /* Output buffer maximum+1 address */
char *scratch; /* scratch buffer */
unsigned long scratch_size; /* scratch size */
int dispatch_level; /* IceProcessMessages dispatch level */
IcePointer context; /* context associated with caller
of IceOpenConnection */
/*
* Before we read a message, the major opcode of the message must be
* mapped to our corresponding major opcode (the two clients can use
* different opcodes for the same protocol). In order to save space,
* we keep track of the mininum and maximum major opcodes used by the
* other client. To get the information on how to process this message,
* we do the following...
*
* processMsgInfo = iceConn->process_msg_info[
* message->majorOpcode - iceConn->his_min_opcode]
*
* Note that the number of elements in the iceConn->process_msg_info
* array is always (iceConn->his_max_opcode - iceConn->his_min_opcode + 1).
* We check process_msg_info->in_use to see if the opcode is being used.
*/
_IceProcessMsgInfo *process_msg_info;
char his_min_opcode; /* [1..255] */
char his_max_opcode; /* [1..255] */
/*
* Number of times this iceConn was returned in IceOpenConnection
* or IceAcceptConnection.
*/
unsigned char open_ref_count;
/*
* Number of active protocols.
*/
unsigned char proto_ref_count;
/*
* If this ICE connection was created with IceAcceptConnection,
* the listen_obj field is set to the listen object. Otherwise,
* the listen_obj field is NULL.
*/
IceListenObj listen_obj;
/*
* We need to keep track of all the replies we're waiting for.
* Check the comments in process.c for how this works.
*/
_IceSavedReplyWait *saved_reply_waits;
/*
* We keep track of all Pings sent from the client. When the Ping reply
* arrives, we remove it from the list.
*/
_IcePingWait *ping_waits;
/*
* Some state for a client doing a Connection/Protocol Setup
*/
_IceConnectToYouInfo *connect_to_you;
_IceProtoSetupToYouInfo *protosetup_to_you;
/*
* Some state for a client receiving a Connection/Protocol Setup
*/
_IceConnectToMeInfo *connect_to_me;
_IceProtoSetupToMeInfo *protosetup_to_me;
};
#endif /* _ICECONN_H_ */
This diff is collapsed.
/* $Xorg: ICEmsg.h,v 1.4 2001/02/09 02:03:26 xorgcvs Exp $ */
/******************************************************************************
Copyright 1993, 1998 The Open Group
Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation.
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.
Author: Ralph Mor, X Consortium
******************************************************************************/
#ifndef _ICEMSG_H_
#define _ICEMSG_H_
#include <X11/ICE/ICEconn.h>
/*
* Function prototypes for internal ICElib functions
*/
extern Status _IceRead (
#if NeedFunctionPrototypes
IceConn /* iceConn */,
unsigned long /* nbytes */,
char * /* ptr */
#endif
);
extern void _IceReadSkip (
#if NeedFunctionPrototypes
IceConn /* iceConn */,
unsigned long /* nbytes */
#endif
);
extern void _IceWrite (
#if NeedFunctionPrototypes
IceConn /* iceConn */,
unsigned long /* nbytes */,
char * /* ptr */
#endif
);
extern void _IceErrorBadMinor (
#if NeedFunctionPrototypes
IceConn /* iceConn */,
int /* majorOpcode */,
int /* offendingMinor */,
int /* severity */
#endif
);
extern void _IceErrorBadState (
#if NeedFunctionPrototypes
IceConn /* iceConn */,
int /* majorOpcode */,
int /* offendingMinor */,
int /* severity */
#endif
);
extern void _IceErrorBadLength (
#if NeedFunctionPrototypes
IceConn /* iceConn */,
int /* majorOpcode */,
int /* offendingMinor */,
int /* severity */
#endif
);
extern void _IceErrorBadValue (
#if NeedFunctionPrototypes
IceConn /* iceConn */,
int /* majorOpcode */,
int /* offendingMinor */,
int /* offset */,
int /* length */,
IcePointer /* value */
#endif
);
/*
* Macro to check if IO operations are valid on an ICE connection.
*/
#define IceValidIO(_iceConn) _iceConn->io_ok
/*
* Macros for writing messages.
*/
#define IceGetHeader(_iceConn, _major, _minor, _headerSize, _msgType, _pMsg) \
if ((_iceConn->outbufptr + _headerSize) > _iceConn->outbufmax) \
IceFlush (_iceConn); \
_pMsg = (_msgType *) _iceConn->outbufptr; \
_pMsg->majorOpcode = _major; \
_pMsg->minorOpcode = _minor; \
_pMsg->length = (_headerSize - SIZEOF (iceMsg)) >> 3; \
_iceConn->outbufptr += _headerSize; \
_iceConn->send_sequence++
#define IceGetHeaderExtra(_iceConn, _major, _minor, _headerSize, _extra, _msgType, _pMsg, _pData) \
if ((_iceConn->outbufptr + \
_headerSize + ((_extra) << 3)) > _iceConn->outbufmax) \
IceFlush (_iceConn); \
_pMsg = (_msgType *) _iceConn->outbufptr; \
if ((_iceConn->outbufptr + \
_headerSize + ((_extra) << 3)) <= _iceConn->outbufmax) \
_pData = (char *) _pMsg + _headerSize; \
else \
_pData = NULL; \
_pMsg->majorOpcode = _major; \
_pMsg->minorOpcode = _minor; \
_pMsg->length = ((_headerSize - SIZEOF (iceMsg)) >> 3) + (_extra); \
_iceConn->outbufptr += (_headerSize + ((_extra) << 3)); \
_iceConn->send_sequence++
#define IceSimpleMessage(_iceConn, _major, _minor) \
{ \
iceMsg *_pMsg; \
IceGetHeader (_iceConn, _major, _minor, SIZEOF (iceMsg), iceMsg, _pMsg); \
}
#define IceErrorHeader(_iceConn, _offendingMajorOpcode, _offendingMinorOpcode, _offendingSequenceNum, _severity, _errorClass, _dataLength) \
{ \
iceErrorMsg *_pMsg; \
\
IceGetHeader (_iceConn, _offendingMajorOpcode, ICE_Error, \
SIZEOF (iceErrorMsg), iceErrorMsg, _pMsg); \
_pMsg->length += (_dataLength); \
_pMsg->offendingMinorOpcode = _offendingMinorOpcode; \
_pMsg->severity = _severity; \
_pMsg->offendingSequenceNum = _offendingSequenceNum; \
_pMsg->errorClass = _errorClass; \
}
/*
* Write data into the ICE output buffer.
*/
#define IceWriteData(_iceConn, _bytes, _data) \
{ \
if ((_iceConn->outbufptr + (_bytes)) > _iceConn->outbufmax) \
{ \
IceFlush (_iceConn); \
_IceWrite (_iceConn, (unsigned long) (_bytes), _data); \
} \
else \
{ \
memcpy (_iceConn->outbufptr, _data, _bytes); \
_iceConn->outbufptr += (_bytes); \
} \
}
#ifndef WORD64
#define IceWriteData16(_iceConn, _bytes, _data) \
IceWriteData (_iceConn, _bytes, (char *) _data)
#define IceWriteData32(_iceConn, _bytes, _data) \
IceWriteData (_iceConn, _bytes, (char *) _data)
#else /* WORD64 */
/* IceWriteData16 and IceWriteData32 defined in misc.c for WORD64 */
#endif /* WORD64 */
/*
* The IceSendData macro bypasses copying the data to the
* ICE connection buffer and sends the data directly. If necessary,
* the ICE connection buffer is first flushed.
*/
#define IceSendData(_iceConn, _bytes, _data) \
{ \
if (_iceConn->outbufptr > _iceConn->outbuf) \
IceFlush (_iceConn); \
_IceWrite (_iceConn, (unsigned long) (_bytes), _data); \
}
/*
* Write pad bytes. Used to force 32 or 64 bit alignment.
* A maxium of 7 pad bytes can be specified.
*/
#define IceWritePad(_iceConn, _bytes) \
{ \
if ((_iceConn->outbufptr + (_bytes)) > _iceConn->outbufmax) \
{ \
char _dummy[7]; \
IceFlush (_iceConn); \
_IceWrite (_iceConn, (unsigned long) (_bytes), _dummy); \
} \
else \
{ \
_iceConn->outbufptr += (_bytes); \
} \
}
/*
* Macros for reading messages.
*/
#define IceReadCompleteMessage(_iceConn, _headerSize, _msgType, _pMsg, _pData)\
{ \
unsigned long _bytes; \
IceReadMessageHeader (_iceConn, _headerSize, _msgType, _pMsg); \
_bytes = (_pMsg->length << 3) - (_headerSize - SIZEOF (iceMsg)); \
if ((_iceConn->inbufmax - _iceConn->inbufptr) >= _bytes) \
{ \
_IceRead (_iceConn, _bytes, _iceConn->inbufptr); \
_pData = _iceConn->inbufptr; \
_iceConn->inbufptr += _bytes; \
} \
else \
{ \
_pData = (char *) malloc ((unsigned) _bytes); \
if (_pData) \
_IceRead (_iceConn, _bytes, _pData); \
else \
_IceReadSkip (_iceConn, _bytes); \
} \
}
#define IceDisposeCompleteMessage(_iceConn, _pData) \
if ((char *) _pData < _iceConn->inbuf || \
(char *) _pData >= _iceConn->inbufmax) \
free ((char *) _pData);
#define IceReadSimpleMessage(_iceConn, _msgType, _pMsg) \
_pMsg = (_msgType *) (_iceConn->inbuf);
#define IceReadMessageHeader(_iceConn, _headerSize, _msgType, _pMsg) \
{ \
_IceRead (_iceConn, \
(unsigned long) (_headerSize - SIZEOF (iceMsg)), \
_iceConn->inbufptr); \
_pMsg = (_msgType *) (_iceConn->inbuf); \
_iceConn->inbufptr += (_headerSize - SIZEOF (iceMsg)); \
}
#define IceReadData(_iceConn, _bytes, _pData) \
_IceRead (_iceConn, (unsigned long) (_bytes), (char *) _pData); \
#ifndef WORD64
#define IceReadData16(_iceConn, _swap, _bytes, _pData) \
{ \
_IceRead (_iceConn, (unsigned long) (_bytes), (char *) _pData); \
}
#define IceReadData32(_iceConn, _swap, _bytes, _pData) \
{ \
_IceRead (_iceConn, (unsigned long) (_bytes), (char *) _pData); \
}
#else /* WORD64 */
/* IceReadData16 and IceReadData32 defined in misc.c for WORD64 */
#endif /* WORD64 */
/*
* Read pad bytes (for 32 or 64 bit alignment).
* A maxium of 7 pad bytes can be specified.
*/
#define IceReadPad(_iceConn, _bytes) \
{ \
char _dummy[7]; \
_IceRead (_iceConn, (unsigned long) (_bytes), _dummy); \
}
#endif /* _ICEMSG_H_ */
/* $Xorg: ICEproto.h,v 1.5 2001/02/09 02:03:26 xorgcvs Exp $ */
/******************************************************************************
Copyright 1993, 1998 The Open Group
Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation.
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.
Author: Ralph Mor, X Consortium
******************************************************************************/
#ifndef _ICEPROTO_H_
#define _ICEPROTO_H_
#include <X11/Xmd.h>
typedef struct {
CARD8 majorOpcode;
CARD8 minorOpcode;
CARD8 data[2];
CARD32 length B32;
} iceMsg;
typedef struct {
CARD8 majorOpcode;
CARD8 minorOpcode;
CARD16 errorClass B16;
CARD32 length B32;
CARD8 offendingMinorOpcode;
CARD8 severity;
CARD16 unused B16;
CARD32 offendingSequenceNum B32;
/* n varying values */
/* p p = pad (n, 8) */
} iceErrorMsg;
typedef struct {
CARD8 majorOpcode;
CARD8 minorOpcode;
CARD8 byteOrder;
CARD8 unused;
CARD32 length B32;
} iceByteOrderMsg;
typedef struct {
CARD8 majorOpcode;
CARD8 minorOpcode;
CARD8 versionCount;
CARD8 authCount;
CARD32 length B32;
CARD8 mustAuthenticate;
CARD8 unused[7];
/* i STRING vendor */
/* j STRING release */
/* k LIST of STRING authentication-protocol-names */
/* m LIST of VERSION version-list */
/* p p = pad (i+j+k+m, 8) */
} iceConnectionSetupMsg;
typedef struct {
CARD8 majorOpcode;
CARD8 minorOpcode;
CARD8 authIndex;
CARD8 unused1;
CARD32 length B32;
CARD16 authDataLength B16;
CARD8 unused2[6];
/* n varying data */
/* p p = pad (n, 8) */
} iceAuthRequiredMsg;
typedef struct {
CARD8 majorOpcode;
CARD8 minorOpcode;
CARD8 unused1[2];
CARD32 length B32;
CARD16 authDataLength B16;
CARD8 unused2[6];
/* n varying data */
/* p p = pad (n, 8) */
} iceAuthReplyMsg;
typedef struct {
CARD8 majorOpcode;
CARD8 minorOpcode;
CARD8 unused1[2];