| 1 | /***********************************************************
|
|---|
| 2 |
|
|---|
| 3 | Copyright 1987, 1998 The Open Group
|
|---|
| 4 |
|
|---|
| 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
|
|---|
| 9 | documentation.
|
|---|
| 10 |
|
|---|
| 11 | The above copyright notice and this permission notice shall be included in
|
|---|
| 12 | all copies or substantial portions of the Software.
|
|---|
| 13 |
|
|---|
| 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.
|
|---|
| 20 |
|
|---|
| 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.
|
|---|
| 24 |
|
|---|
| 25 | Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
|
|---|
| 26 |
|
|---|
| 27 | All Rights Reserved
|
|---|
| 28 |
|
|---|
| 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.
|
|---|
| 36 |
|
|---|
| 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
|
|---|
| 43 | SOFTWARE.
|
|---|
| 44 |
|
|---|
| 45 | ******************************************************************/
|
|---|
| 46 |
|
|---|
| 47 | #ifdef HAVE_DIX_CONFIG_H
|
|---|
| 48 | #include <dix-config.h>
|
|---|
| 49 | #endif
|
|---|
| 50 |
|
|---|
| 51 | #ifndef _OSDEP_H_
|
|---|
| 52 | #define _OSDEP_H_ 1
|
|---|
| 53 |
|
|---|
| 54 | #if defined(XDMCP) || defined(HASXDMAUTH)
|
|---|
| 55 | #include <X11/Xdmcp.h>
|
|---|
| 56 | #endif
|
|---|
| 57 |
|
|---|
| 58 | #ifdef _POSIX_SOURCE
|
|---|
| 59 | #include <limits.h>
|
|---|
| 60 | #else
|
|---|
| 61 | #define _POSIX_SOURCE
|
|---|
| 62 | #include <limits.h>
|
|---|
| 63 | #undef _POSIX_SOURCE
|
|---|
| 64 | #endif
|
|---|
| 65 |
|
|---|
| 66 | #ifndef OPEN_MAX
|
|---|
| 67 | #ifdef SVR4
|
|---|
| 68 | #define OPEN_MAX 256
|
|---|
| 69 | #else
|
|---|
| 70 | #include <sys/param.h>
|
|---|
| 71 | #ifndef OPEN_MAX
|
|---|
| 72 | #if defined(NOFILE) && !defined(NOFILES_MAX)
|
|---|
| 73 | #define OPEN_MAX NOFILE
|
|---|
| 74 | #else
|
|---|
| 75 | #if !defined(WIN32)
|
|---|
| 76 | #define OPEN_MAX NOFILES_MAX
|
|---|
| 77 | #else
|
|---|
| 78 | #define OPEN_MAX 256
|
|---|
| 79 | #endif
|
|---|
| 80 | #endif
|
|---|
| 81 | #endif
|
|---|
| 82 | #endif
|
|---|
| 83 | #endif
|
|---|
| 84 |
|
|---|
| 85 | #include <X11/Xpoll.h>
|
|---|
| 86 |
|
|---|
| 87 | /*
|
|---|
| 88 | * MAXSOCKS is used only for initialising MaxClients when no other method
|
|---|
| 89 | * like sysconf(_SC_OPEN_MAX) is not supported.
|
|---|
| 90 | */
|
|---|
| 91 |
|
|---|
| 92 | #if OPEN_MAX <= 256
|
|---|
| 93 | #define MAXSOCKS (OPEN_MAX - 1)
|
|---|
| 94 | #else
|
|---|
| 95 | #define MAXSOCKS 256
|
|---|
| 96 | #endif
|
|---|
| 97 |
|
|---|
| 98 | /* MAXSELECT is the number of fds that select() can handle */
|
|---|
| 99 | #define MAXSELECT (sizeof(fd_set) * NBBY)
|
|---|
| 100 |
|
|---|
| 101 | #include <stddef.h>
|
|---|
| 102 |
|
|---|
| 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);
|
|---|
| 108 | #endif
|
|---|
| 109 |
|
|---|
| 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 */
|
|---|
| 115 | int lenLastReq;
|
|---|
| 116 | int size;
|
|---|
| 117 | unsigned int ignoreBytes; /* bytes to ignore before the next request */
|
|---|
| 118 | } ConnectionInput, *ConnectionInputPtr;
|
|---|
| 119 |
|
|---|
| 120 | typedef struct _connectionOutput {
|
|---|
| 121 | struct _connectionOutput *next;
|
|---|
| 122 | int size;
|
|---|
| 123 | unsigned char *buf;
|
|---|
| 124 | int count;
|
|---|
| 125 | } ConnectionOutput, *ConnectionOutputPtr;
|
|---|
| 126 |
|
|---|
| 127 | struct _osComm;
|
|---|
| 128 |
|
|---|
| 129 | #define AuthInitArgs void
|
|---|
| 130 | typedef void (*AuthInitFunc) (AuthInitArgs);
|
|---|
| 131 |
|
|---|
| 132 | #define AuthAddCArgs unsigned short data_length, const char *data, XID id
|
|---|
| 133 | typedef int (*AuthAddCFunc) (AuthAddCArgs);
|
|---|
| 134 |
|
|---|
| 135 | #define AuthCheckArgs unsigned short data_length, const char *data, ClientPtr client, const char **reason
|
|---|
| 136 | typedef XID (*AuthCheckFunc) (AuthCheckArgs);
|
|---|
| 137 |
|
|---|
| 138 | #define AuthFromIDArgs XID id, unsigned short *data_lenp, char **datap
|
|---|
| 139 | typedef int (*AuthFromIDFunc) (AuthFromIDArgs);
|
|---|
| 140 |
|
|---|
| 141 | #define AuthGenCArgs unsigned data_length, const char *data, XID id, unsigned *data_length_return, char **data_return
|
|---|
| 142 | typedef XID (*AuthGenCFunc) (AuthGenCArgs);
|
|---|
| 143 |
|
|---|
| 144 | #define AuthRemCArgs unsigned short data_length, const char *data
|
|---|
| 145 | typedef int (*AuthRemCFunc) (AuthRemCArgs);
|
|---|
| 146 |
|
|---|
| 147 | #define AuthRstCArgs void
|
|---|
| 148 | typedef int (*AuthRstCFunc) (AuthRstCArgs);
|
|---|
| 149 |
|
|---|
| 150 | #define AuthToIDArgs unsigned short data_length, char *data
|
|---|
| 151 | typedef XID (*AuthToIDFunc) (AuthToIDArgs);
|
|---|
| 152 |
|
|---|
| 153 | typedef void (*OsCloseFunc) (ClientPtr);
|
|---|
| 154 |
|
|---|
| 155 | typedef int (*OsFlushFunc) (ClientPtr who, struct _osComm * oc, char *extraBuf,
|
|---|
| 156 | int extraCount);
|
|---|
| 157 |
|
|---|
| 158 | typedef struct _osComm {
|
|---|
| 159 | int fd;
|
|---|
| 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 */
|
|---|
| 165 | Bool local_client;
|
|---|
| 166 | } OsCommRec, *OsCommPtr;
|
|---|
| 167 |
|
|---|
| 168 | extern int FlushClient(ClientPtr /*who */ ,
|
|---|
| 169 | OsCommPtr /*oc */ ,
|
|---|
| 170 | const void * /*extraBuf */ ,
|
|---|
| 171 | int /*extraCount */
|
|---|
| 172 | );
|
|---|
| 173 |
|
|---|
| 174 | extern void FreeOsBuffers(OsCommPtr /*oc */
|
|---|
| 175 | );
|
|---|
| 176 |
|
|---|
| 177 | #include "dix.h"
|
|---|
| 178 |
|
|---|
| 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;
|
|---|
| 188 |
|
|---|
| 189 | #ifndef WIN32
|
|---|
| 190 | extern int *ConnectionTranslation;
|
|---|
| 191 | #else
|
|---|
| 192 | extern int GetConnectionTranslation(int conn);
|
|---|
| 193 | extern void SetConnectionTranslation(int conn, int client);
|
|---|
| 194 | extern void ClearConnectionTranslation(void);
|
|---|
| 195 | #endif
|
|---|
| 196 |
|
|---|
| 197 | extern Bool NewOutputPending;
|
|---|
| 198 | extern Bool AnyClientsWriteBlocked;
|
|---|
| 199 |
|
|---|
| 200 | extern WorkQueuePtr workQueue;
|
|---|
| 201 |
|
|---|
| 202 | /* in WaitFor.c */
|
|---|
| 203 | #ifdef WIN32
|
|---|
| 204 | typedef long int fd_mask;
|
|---|
| 205 | #endif
|
|---|
| 206 | #define ffs mffs
|
|---|
| 207 | extern int mffs(fd_mask);
|
|---|
| 208 |
|
|---|
| 209 | /* in access.c */
|
|---|
| 210 | extern Bool ComputeLocalClient(ClientPtr client);
|
|---|
| 211 |
|
|---|
| 212 | /* in auth.c */
|
|---|
| 213 | extern void GenerateRandomData(int len, char *buf);
|
|---|
| 214 |
|
|---|
| 215 | /* in mitauth.c */
|
|---|
| 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);
|
|---|
| 223 |
|
|---|
| 224 | /* in xdmauth.c */
|
|---|
| 225 | #ifdef HASXDMAUTH
|
|---|
| 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);
|
|---|
| 232 | #endif
|
|---|
| 233 |
|
|---|
| 234 | /* in rpcauth.c */
|
|---|
| 235 | #ifdef SECURE_RPC
|
|---|
| 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);
|
|---|
| 243 | #endif
|
|---|
| 244 |
|
|---|
| 245 | #ifdef XDMCP
|
|---|
| 246 | /* in xdmcp.c */
|
|---|
| 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,
|
|---|
| 257 | int namelen,
|
|---|
| 258 | const char *data,
|
|---|
| 259 | int datalen,
|
|---|
| 260 | ValidatorFunc Validator,
|
|---|
| 261 | GeneratorFunc Generator,
|
|---|
| 262 | AddAuthorFunc AddAuth);
|
|---|
| 263 |
|
|---|
| 264 | struct sockaddr_in;
|
|---|
| 265 | extern void XdmcpRegisterBroadcastAddress(const struct sockaddr_in *addr);
|
|---|
| 266 | #endif
|
|---|
| 267 |
|
|---|
| 268 | #ifdef HASXDMAUTH
|
|---|
| 269 | extern void XdmAuthenticationInit(const char *cookie, int cookie_length);
|
|---|
| 270 | #endif
|
|---|
| 271 |
|
|---|
| 272 | #endif /* _OSDEP_H_ */
|
|---|
