/* $XFree86: xc/programs/Xserver/os/osdep.h,v 3.17 2002/05/31 18:46:06 dawes Exp $ */ /*********************************************************** Copyright 1987, 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. Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. All Rights Reserved 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 Digital not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ******************************************************************/ /* $Xorg: osdep.h,v 1.5 2001/02/09 02:05:23 xorgcvs Exp $ */ #ifndef _OSDEP_H_ #define _OSDEP_H_ 1 #define BOTIMEOUT 200 /* in milliseconds */ #define BUFSIZE 4096 #define BUFWATERMARK 8192 #ifndef MAXBUFSIZE #define MAXBUFSIZE (1 << 22) #endif #include #ifndef sgi /* SGI defines OPEN_MAX in a useless way */ #ifndef X_NOT_POSIX #ifdef _POSIX_SOURCE #include #else #define _POSIX_SOURCE #include #undef _POSIX_SOURCE #endif #else /* X_NOT_POSIX */ #ifdef WIN32 #define _POSIX_ #include #undef _POSIX_ #endif #endif /* X_NOT_POSIX */ #endif #ifdef __QNX__ #define NOFILES_MAX 256 #endif #ifndef OPEN_MAX #ifdef SVR4 #define OPEN_MAX 256 #else #include #ifndef OPEN_MAX #if defined(NOFILE) && !defined(NOFILES_MAX) #define OPEN_MAX NOFILE #else #ifndef __UNIXOS2__ #define OPEN_MAX NOFILES_MAX #else #define OPEN_MAX 256 #endif #endif #endif #endif #endif #include /* * MAXSOCKS is used only for initialising MaxClients when no other method * like sysconf(_SC_OPEN_MAX) is not supported. */ #if OPEN_MAX <= 256 #define MAXSOCKS (OPEN_MAX - 1) #else #define MAXSOCKS 256 #endif /* MAXSELECT is the number of fds that select() can handle */ #define MAXSELECT (sizeof(fd_set) * NBBY) #if !defined(hpux) && !defined(SVR4) && !defined(SYSV) #define HAS_GETDTABLESIZE #endif #include typedef Bool (*ValidatorFunc)(ARRAY8Ptr Auth, ARRAY8Ptr Data, int packet_type); typedef Bool (*GeneratorFunc)(ARRAY8Ptr Auth, ARRAY8Ptr Data, int packet_type); typedef Bool (*AddAuthorFunc)(unsigned name_length, char *name, unsigned data_length, char *data); typedef struct _connectionInput { struct _connectionInput *next; char *buffer; /* contains current client input */ char *bufptr; /* pointer to current start of data */ int bufcnt; /* count of bytes in buffer */ int lenLastReq; int size; } ConnectionInput, *ConnectionInputPtr; typedef struct _connectionOutput { struct _connectionOutput *next; int size; unsigned char *buf; int count; #ifdef LBX Bool nocompress; #endif } ConnectionOutput, *ConnectionOutputPtr; #ifdef K5AUTH typedef struct _k5_state { int stageno; /* current stage of auth protocol */ pointer srvcreds; /* server credentials */ pointer srvname; /* server principal name */ pointer ktname; /* key table: principal-key pairs */ pointer skey; /* session key */ } k5_state; #endif #ifdef LBX typedef struct _LbxProxy *OsProxyPtr; #endif struct _osComm; #define AuthInitArgs void typedef void (*AuthInitFunc) (AuthInitArgs); #define AuthAddCArgs unsigned short data_length, char *data, XID id typedef int (*AuthAddCFunc) (AuthAddCArgs); #define AuthCheckArgs unsigned short data_length, char *data, ClientPtr client, char **reason typedef XID (*AuthCheckFunc) (AuthCheckArgs); #define AuthFromIDArgs XID id, unsigned short *data_lenp, char **datap typedef int (*AuthFromIDFunc) (AuthFromIDArgs); #define AuthGenCArgs unsigned data_length, char *data, XID id, unsigned *data_length_return, char **data_return typedef XID (*AuthGenCFunc) (AuthGenCArgs); #define AuthRemCArgs unsigned short data_length, char *data typedef int (*AuthRemCFunc) (AuthRemCArgs); #define AuthRstCArgs void typedef int (*AuthRstCFunc) (AuthRstCArgs); #define AuthToIDArgs unsigned short data_length, char *data typedef XID (*AuthToIDFunc) (AuthToIDArgs); typedef void (*OsCloseFunc)(ClientPtr); typedef int (*OsFlushFunc)(ClientPtr who, struct _osComm * oc, char* extraBuf, int extraCount); typedef struct _osComm { int fd; ConnectionInputPtr input; ConnectionOutputPtr output; XID auth_id; /* authorization id */ #ifdef K5AUTH k5_state authstate; /* state of setup auth conversation */ #endif CARD32 conn_time; /* timestamp if not established, else 0 */ struct _XtransConnInfo *trans_conn; /* transport connection object */ #ifdef LBX OsProxyPtr proxy; ConnectionInputPtr largereq; OsCloseFunc Close; OsFlushFunc Flush; #endif } OsCommRec, *OsCommPtr; #ifdef LBX #define FlushClient(who, oc, extraBuf, extraCount) \ (*(oc)->Flush)(who, oc, extraBuf, extraCount) extern int StandardFlushClient( ClientPtr /*who*/, OsCommPtr /*oc*/, char* /*extraBuf*/, int /*extraCount*/ ); #else extern int FlushClient( ClientPtr /*who*/, OsCommPtr /*oc*/, char* /*extraBuf*/, int /*extraCount*/ ); #endif extern void FreeOsBuffers( OsCommPtr /*oc*/ ); #include "dix.h" extern ConnectionInputPtr AllocateInputBuffer(void); extern ConnectionOutputPtr AllocateOutputBuffer(void); extern fd_set AllSockets; extern fd_set AllClients; extern fd_set LastSelectMask; extern fd_set WellKnownConnections; extern fd_set EnabledDevices; extern fd_set ClientsWithInput; extern fd_set ClientsWriteBlocked; extern fd_set OutputPending; extern fd_set IgnoredClientsWithInput; extern int *ConnectionTranslation; extern Bool NewOutputPending; extern Bool AnyClientsWriteBlocked; extern Bool CriticalOutputPending; extern int timesThisConnection; extern ConnectionInputPtr FreeInputs; extern ConnectionOutputPtr FreeOutputs; extern OsCommPtr AvailableInput; extern WorkQueuePtr workQueue; /* added by raphael */ #define ffs mffs extern int mffs(fd_mask); /* in auth.c */ extern void GenerateRandomData (int len, char *buf); /* in mitauth.c */ extern XID MitCheckCookie (AuthCheckArgs); extern XID MitGenerateCookie (AuthGenCArgs); extern XID MitToID (AuthToIDArgs); extern int MitAddCookie (AuthAddCArgs); extern int MitFromID (AuthFromIDArgs); extern int MitRemoveCookie (AuthRemCArgs); extern int MitResetCookie (AuthRstCArgs); /* in xdmauth.c */ #ifdef HASXDMAUTH extern XID XdmCheckCookie (AuthCheckArgs); extern XID XdmToID (AuthToIDArgs); extern int XdmAddCookie (AuthAddCArgs); extern int XdmFromID (AuthFromIDArgs); extern int XdmRemoveCookie (AuthRemCArgs); extern int XdmResetCookie (AuthRstCArgs); #endif /* in rpcauth.c */ #ifdef SECURE_RPC extern void SecureRPCInit (AuthInitArgs); extern XID SecureRPCCheck (AuthCheckArgs); extern XID SecureRPCToID (AuthToIDArgs); extern int SecureRPCAdd (AuthAddCArgs); extern int SecureRPCFromID (AuthFromIDArgs); extern int SecureRPCRemove (AuthRemCArgs); extern int SecureRPCReset (AuthRstCArgs); #endif /* in k5auth.c */ #ifdef K5AUTH extern XID K5Check (AuthCheckArgs); extern XID K5ToID (AuthToIDArgs); extern int K5Add (AuthAddCArgs); extern int K5FromID (AuthFromIDArgs); extern int K5Remove (AuthRemCArgs); extern int K5Reset (AuthRstCArgs); #endif /* in secauth.c */ extern XID AuthSecurityCheck (AuthCheckArgs); /* in xdmcp.c */ extern void XdmcpUseMsg (void); extern int XdmcpOptions(int argc, char **argv, int i); extern void XdmcpSetAuthentication (ARRAY8Ptr name); extern void XdmcpRegisterConnection ( int type, char *address, int addrlen); extern void XdmcpRegisterAuthorizations (void); extern void XdmcpRegisterAuthorization (char *name, int namelen); extern void XdmcpRegisterDisplayClass (char *name, int length); extern void XdmcpInit (void); extern void XdmcpReset (void); extern void XdmcpOpenDisplay(int sock); extern void XdmcpCloseDisplay(int sock); extern void XdmcpRegisterAuthentication ( char *name, int namelen, char *data, int datalen, ValidatorFunc Validator, GeneratorFunc Generator, AddAuthorFunc AddAuth); extern int XdmcpCheckAuthentication (ARRAY8Ptr Name, ARRAY8Ptr Data, int packet_type); extern int XdmcpAddAuthorization (ARRAY8Ptr name, ARRAY8Ptr data); struct sockaddr_in; extern void XdmcpRegisterBroadcastAddress (struct sockaddr_in *addr); #endif /* _OSDEP_H_ */