1 /***********************************************************
3 Copyright 1987, 1998 The Open Group
5 Permission to use, copy, modify, distribute, and sell this software and its
6 documentation for any purpose is hereby granted without fee, provided that
7 the above copyright notice appear in all copies and that both that
8 copyright notice and this permission notice appear in supporting
11 The above copyright notice and this permission notice shall be included in
12 all copies or substantial portions of the Software.
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 Except as contained in this notice, the name of The Open Group shall not be
22 used in advertising or otherwise to promote the sale, use or other dealings
23 in this Software without prior written authorization from The Open Group.
25 Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
29 Permission to use, copy, modify, and distribute this software and its
30 documentation for any purpose and without fee is hereby granted,
31 provided that the above copyright notice appear in all copies and that
32 both that copyright notice and this permission notice appear in
33 supporting documentation, and that the name of Digital not be
34 used in advertising or publicity pertaining to distribution of the
35 software without specific, written prior permission.
37 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
38 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
39 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
40 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
41 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
42 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
45 ******************************************************************/
47 #ifdef HAVE_DIX_CONFIG_H
48 #include <dix-config.h>
54 #if defined(XDMCP) || defined(HASXDMAUTH)
55 #include <X11/Xdmcp.h>
70 #include <sys/param.h>
72 #if defined(NOFILE) && !defined(NOFILES_MAX)
73 #define OPEN_MAX NOFILE
76 #define OPEN_MAX NOFILES_MAX
85 #include <X11/Xpoll.h>
88 * MAXSOCKS is used only for initialising MaxClients when no other method
89 * like sysconf(_SC_OPEN_MAX) is not supported.
93 #define MAXSOCKS (OPEN_MAX - 1)
98 /* MAXSELECT is the number of fds that select() can handle */
99 #define MAXSELECT (sizeof(fd_set) * NBBY)
103 #if defined(XDMCP) || defined(HASXDMAUTH)
104 typedef Bool (*ValidatorFunc) (ARRAY8Ptr Auth, ARRAY8Ptr Data, int packet_type);
105 typedef Bool (*GeneratorFunc) (ARRAY8Ptr Auth, ARRAY8Ptr Data, int packet_type);
106 typedef Bool (*AddAuthorFunc) (unsigned name_length, const char *name,
107 unsigned data_length, char *data);
110 typedef struct _connectionInput {
111 struct _connectionInput *next;
112 char *buffer; /* contains current client input */
113 char *bufptr; /* pointer to current start of data */
114 int bufcnt; /* count of bytes in buffer */
117 unsigned int ignoreBytes; /* bytes to ignore before the next request */
118 } ConnectionInput, *ConnectionInputPtr;
120 typedef struct _connectionOutput {
121 struct _connectionOutput *next;
125 } ConnectionOutput, *ConnectionOutputPtr;
129 #define AuthInitArgs void
130 typedef void (*AuthInitFunc) (AuthInitArgs);
132 #define AuthAddCArgs unsigned short data_length, const char *data, XID id
133 typedef int (*AuthAddCFunc) (AuthAddCArgs);
135 #define AuthCheckArgs unsigned short data_length, const char *data, ClientPtr client, const char **reason
136 typedef XID (*AuthCheckFunc) (AuthCheckArgs);
138 #define AuthFromIDArgs XID id, unsigned short *data_lenp, char **datap
139 typedef int (*AuthFromIDFunc) (AuthFromIDArgs);
141 #define AuthGenCArgs unsigned data_length, const char *data, XID id, unsigned *data_length_return, char **data_return
142 typedef XID (*AuthGenCFunc) (AuthGenCArgs);
144 #define AuthRemCArgs unsigned short data_length, const char *data
145 typedef int (*AuthRemCFunc) (AuthRemCArgs);
147 #define AuthRstCArgs void
148 typedef int (*AuthRstCFunc) (AuthRstCArgs);
150 #define AuthToIDArgs unsigned short data_length, char *data
151 typedef XID (*AuthToIDFunc) (AuthToIDArgs);
153 typedef void (*OsCloseFunc) (ClientPtr);
155 typedef int (*OsFlushFunc) (ClientPtr who, struct _osComm * oc, char *extraBuf,
158 typedef struct _osComm {
160 ConnectionInputPtr input;
161 ConnectionOutputPtr output;
162 XID auth_id; /* authorization id */
163 CARD32 conn_time; /* timestamp if not established, else 0 */
164 struct _XtransConnInfo *trans_conn; /* transport connection object */
166 } OsCommRec, *OsCommPtr;
168 extern int FlushClient(ClientPtr /*who */ ,
170 const void * /*extraBuf */ ,
174 extern void FreeOsBuffers(OsCommPtr /*oc */
179 extern fd_set AllSockets;
180 extern fd_set AllClients;
181 extern fd_set LastSelectMask;
182 extern fd_set WellKnownConnections;
183 extern fd_set EnabledDevices;
184 extern fd_set ClientsWithInput;
185 extern fd_set ClientsWriteBlocked;
186 extern fd_set OutputPending;
187 extern fd_set IgnoredClientsWithInput;
190 extern int *ConnectionTranslation;
192 extern int GetConnectionTranslation(int conn);
193 extern void SetConnectionTranslation(int conn, int client);
194 extern void ClearConnectionTranslation(void);
197 extern Bool NewOutputPending;
198 extern Bool AnyClientsWriteBlocked;
200 extern WorkQueuePtr workQueue;
204 typedef long int fd_mask;
207 extern int mffs(fd_mask);
210 extern Bool ComputeLocalClient(ClientPtr client);
213 extern void GenerateRandomData(int len, char *buf);
216 extern XID MitCheckCookie(AuthCheckArgs);
217 extern XID MitGenerateCookie(AuthGenCArgs);
218 extern XID MitToID(AuthToIDArgs);
219 extern int MitAddCookie(AuthAddCArgs);
220 extern int MitFromID(AuthFromIDArgs);
221 extern int MitRemoveCookie(AuthRemCArgs);
222 extern int MitResetCookie(AuthRstCArgs);
226 extern XID XdmCheckCookie(AuthCheckArgs);
227 extern XID XdmToID(AuthToIDArgs);
228 extern int XdmAddCookie(AuthAddCArgs);
229 extern int XdmFromID(AuthFromIDArgs);
230 extern int XdmRemoveCookie(AuthRemCArgs);
231 extern int XdmResetCookie(AuthRstCArgs);
236 extern void SecureRPCInit(AuthInitArgs);
237 extern XID SecureRPCCheck(AuthCheckArgs);
238 extern XID SecureRPCToID(AuthToIDArgs);
239 extern int SecureRPCAdd(AuthAddCArgs);
240 extern int SecureRPCFromID(AuthFromIDArgs);
241 extern int SecureRPCRemove(AuthRemCArgs);
242 extern int SecureRPCReset(AuthRstCArgs);
247 extern void XdmcpUseMsg(void);
248 extern int XdmcpOptions(int argc, char **argv, int i);
249 extern void XdmcpRegisterConnection(int type, const char *address, int addrlen);
250 extern void XdmcpRegisterAuthorizations(void);
251 extern void XdmcpRegisterAuthorization(const char *name, int namelen);
252 extern void XdmcpInit(void);
253 extern void XdmcpReset(void);
254 extern void XdmcpOpenDisplay(int sock);
255 extern void XdmcpCloseDisplay(int sock);
256 extern void XdmcpRegisterAuthentication(const char *name,
260 ValidatorFunc Validator,
261 GeneratorFunc Generator,
262 AddAuthorFunc AddAuth);
265 extern void XdmcpRegisterBroadcastAddress(const struct sockaddr_in *addr);
269 extern void XdmAuthenticationInit(const char *cookie, int cookie_length);
272 #endif /* _OSDEP_H_ */