244 lines
8.1 KiB
C
244 lines
8.1 KiB
C
/***********************************************************
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Copyright 1987, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Digital not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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******************************************************************/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#ifndef _OSDEP_H_
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#define _OSDEP_H_ 1
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#if defined(XDMCP) || defined(HASXDMAUTH)
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#include <X11/Xdmcp.h>
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#endif
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#ifdef _POSIX_SOURCE
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#include <limits.h>
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#else
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#define _POSIX_SOURCE
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#include <limits.h>
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#undef _POSIX_SOURCE
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#endif
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#include <stddef.h>
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#include <X11/Xos.h>
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/* If EAGAIN and EWOULDBLOCK are distinct errno values, then we check errno
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* for both EAGAIN and EWOULDBLOCK, because some supposedly POSIX
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* systems are broken and return EWOULDBLOCK when they should return EAGAIN
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*/
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#ifndef WIN32
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# if (EAGAIN != EWOULDBLOCK)
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# define ETEST(err) (err == EAGAIN || err == EWOULDBLOCK)
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# else
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# define ETEST(err) (err == EAGAIN)
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# endif
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#else /* WIN32 The socket errorcodes differ from the normal errors */
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#define ETEST(err) (err == EAGAIN || err == WSAEWOULDBLOCK)
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#endif
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#if defined(XDMCP) || defined(HASXDMAUTH)
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typedef Bool (*ValidatorFunc) (ARRAY8Ptr Auth, ARRAY8Ptr Data, int packet_type);
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typedef Bool (*GeneratorFunc) (ARRAY8Ptr Auth, ARRAY8Ptr Data, int packet_type);
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typedef Bool (*AddAuthorFunc) (unsigned name_length, const char *name,
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unsigned data_length, char *data);
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#endif
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typedef struct _connectionInput *ConnectionInputPtr;
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typedef struct _connectionOutput *ConnectionOutputPtr;
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struct _osComm;
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#define AuthInitArgs void
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typedef void (*AuthInitFunc) (AuthInitArgs);
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#define AuthAddCArgs unsigned short data_length, const char *data, XID id
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typedef int (*AuthAddCFunc) (AuthAddCArgs);
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#define AuthCheckArgs unsigned short data_length, const char *data, ClientPtr client, const char **reason
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typedef XID (*AuthCheckFunc) (AuthCheckArgs);
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#define AuthFromIDArgs XID id, unsigned short *data_lenp, char **datap
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typedef int (*AuthFromIDFunc) (AuthFromIDArgs);
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#define AuthGenCArgs unsigned data_length, const char *data, XID id, unsigned *data_length_return, char **data_return
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typedef XID (*AuthGenCFunc) (AuthGenCArgs);
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#define AuthRemCArgs unsigned short data_length, const char *data
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typedef int (*AuthRemCFunc) (AuthRemCArgs);
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#define AuthRstCArgs void
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typedef int (*AuthRstCFunc) (AuthRstCArgs);
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typedef void (*OsCloseFunc) (ClientPtr);
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typedef int (*OsFlushFunc) (ClientPtr who, struct _osComm * oc, char *extraBuf,
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int extraCount);
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typedef struct _osComm {
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int fd;
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ConnectionInputPtr input;
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ConnectionOutputPtr output;
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XID auth_id; /* authorization id */
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CARD32 conn_time; /* timestamp if not established, else 0 */
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struct _XtransConnInfo *trans_conn; /* transport connection object */
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int flags;
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} OsCommRec, *OsCommPtr;
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#define OS_COMM_GRAB_IMPERVIOUS 1
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#define OS_COMM_IGNORED 2
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extern int FlushClient(ClientPtr /*who */ ,
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OsCommPtr /*oc */ ,
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const void * /*extraBuf */ ,
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int /*extraCount */
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);
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extern void FreeOsBuffers(OsCommPtr /*oc */
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);
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#include "dix.h"
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#include "ospoll.h"
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extern struct ospoll *server_poll;
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Bool
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listen_to_client(ClientPtr client);
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#if !defined(WIN32) || defined(__CYGWIN__)
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extern int *ConnectionTranslation;
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extern int ConnectionTranslationSize;
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static inline int GetConnectionTranslation(int conn) {
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if (conn >= ConnectionTranslationSize)
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return 0;
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return ConnectionTranslation[conn];
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}
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#else
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extern int GetConnectionTranslation(int conn);
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extern void SetConnectionTranslation(int conn, int client);
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extern void ClearConnectionTranslation(void);
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#endif
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extern Bool NewOutputPending;
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extern WorkQueuePtr workQueue;
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/* in WaitFor.c */
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#if defined(WIN32) && !defined(__CYGWIN__)
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typedef long int fd_mask;
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#endif
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#define ffs mffs
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extern int mffs(fd_mask);
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/* in access.c */
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extern Bool ComputeLocalClient(ClientPtr client);
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/* in auth.c */
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extern void GenerateRandomData(int len, char *buf);
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/* in mitauth.c */
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extern XID MitCheckCookie(AuthCheckArgs);
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extern XID MitGenerateCookie(AuthGenCArgs);
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extern int MitAddCookie(AuthAddCArgs);
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extern int MitFromID(AuthFromIDArgs);
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extern int MitRemoveCookie(AuthRemCArgs);
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extern int MitResetCookie(AuthRstCArgs);
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/* in xdmauth.c */
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#ifdef HASXDMAUTH
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extern XID XdmCheckCookie(AuthCheckArgs);
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extern int XdmAddCookie(AuthAddCArgs);
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extern int XdmFromID(AuthFromIDArgs);
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extern int XdmRemoveCookie(AuthRemCArgs);
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extern int XdmResetCookie(AuthRstCArgs);
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#endif
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/* in rpcauth.c */
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#ifdef SECURE_RPC
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extern void SecureRPCInit(AuthInitArgs);
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extern XID SecureRPCCheck(AuthCheckArgs);
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extern int SecureRPCAdd(AuthAddCArgs);
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extern int SecureRPCFromID(AuthFromIDArgs);
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extern int SecureRPCRemove(AuthRemCArgs);
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extern int SecureRPCReset(AuthRstCArgs);
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#endif
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#ifdef XDMCP
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/* in xdmcp.c */
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extern void XdmcpUseMsg(void);
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extern int XdmcpOptions(int argc, char **argv, int i);
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extern void XdmcpRegisterConnection(int type, const char *address, int addrlen);
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extern void XdmcpRegisterAuthorizations(void);
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extern void XdmcpRegisterAuthorization(const char *name, int namelen);
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extern void XdmcpInit(void);
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extern void XdmcpReset(void);
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extern void XdmcpOpenDisplay(int sock);
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extern void XdmcpCloseDisplay(int sock);
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extern void XdmcpRegisterAuthentication(const char *name,
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int namelen,
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const char *data,
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int datalen,
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ValidatorFunc Validator,
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GeneratorFunc Generator,
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AddAuthorFunc AddAuth);
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struct sockaddr_in;
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extern void XdmcpRegisterBroadcastAddress(const struct sockaddr_in *addr);
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#endif
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#ifdef HASXDMAUTH
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extern void XdmAuthenticationInit(const char *cookie, int cookie_length);
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#endif
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#ifdef X_PRIVSEP
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extern int priv_init(uid_t, gid_t);
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extern int priv_open_device(const char *);
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extern void priv_init_parent_process(pid_t);
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extern void priv_signal_parent(void);
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#endif
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#endif /* _OSDEP_H_ */
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