| 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 *ConnectionInputPtr; |
| 111 | typedef struct _connectionOutput *ConnectionOutputPtr; |
| 112 | |
| 113 | struct _osComm; |
| 114 | |
| 115 | #define AuthInitArgs void |
| 116 | typedef void (*AuthInitFunc) (AuthInitArgs); |
| 117 | |
| 118 | #define AuthAddCArgs unsigned short data_length, const char *data, XID id |
| 119 | typedef int (*AuthAddCFunc) (AuthAddCArgs); |
| 120 | |
| 121 | #define AuthCheckArgs unsigned short data_length, const char *data, ClientPtr client, const char **reason |
| 122 | typedef XID (*AuthCheckFunc) (AuthCheckArgs); |
| 123 | |
| 124 | #define AuthFromIDArgs XID id, unsigned short *data_lenp, char **datap |
| 125 | typedef int (*AuthFromIDFunc) (AuthFromIDArgs); |
| 126 | |
| 127 | #define AuthGenCArgs unsigned data_length, const char *data, XID id, unsigned *data_length_return, char **data_return |
| 128 | typedef XID (*AuthGenCFunc) (AuthGenCArgs); |
| 129 | |
| 130 | #define AuthRemCArgs unsigned short data_length, const char *data |
| 131 | typedef int (*AuthRemCFunc) (AuthRemCArgs); |
| 132 | |
| 133 | #define AuthRstCArgs void |
| 134 | typedef int (*AuthRstCFunc) (AuthRstCArgs); |
| 135 | |
| 136 | #define AuthToIDArgs unsigned short data_length, char *data |
| 137 | typedef XID (*AuthToIDFunc) (AuthToIDArgs); |
| 138 | |
| 139 | typedef void (*OsCloseFunc) (ClientPtr); |
| 140 | |
| 141 | typedef int (*OsFlushFunc) (ClientPtr who, struct _osComm * oc, char *extraBuf, |
| 142 | int extraCount); |
| 143 | |
| 144 | typedef struct _osComm { |
| 145 | int fd; |
| 146 | ConnectionInputPtr input; |
| 147 | ConnectionOutputPtr output; |
| 148 | XID auth_id; /* authorization id */ |
| 149 | CARD32 conn_time; /* timestamp if not established, else 0 */ |
| 150 | struct _XtransConnInfo *trans_conn; /* transport connection object */ |
| 151 | } OsCommRec, *OsCommPtr; |
| 152 | |
| 153 | extern int FlushClient(ClientPtr /*who */ , |
| 154 | OsCommPtr /*oc */ , |
| 155 | const void * /*extraBuf */ , |
| 156 | int /*extraCount */ |
| 157 | ); |
| 158 | |
| 159 | extern void FreeOsBuffers(OsCommPtr /*oc */ |
| 160 | ); |
| 161 | |
| 162 | #include "dix.h" |
| 163 | |
| 164 | extern fd_set AllSockets; |
| 165 | extern fd_set AllClients; |
| 166 | extern fd_set LastSelectMask; |
| 167 | extern fd_set WellKnownConnections; |
| 168 | extern fd_set EnabledDevices; |
| 169 | extern fd_set ClientsWithInput; |
| 170 | extern fd_set ClientsWriteBlocked; |
| 171 | extern fd_set OutputPending; |
| 172 | extern fd_set IgnoredClientsWithInput; |
| 173 | |
| 174 | #ifndef WIN32 |
| 175 | extern int *ConnectionTranslation; |
| 176 | #else |
| 177 | extern int GetConnectionTranslation(int conn); |
| 178 | extern void SetConnectionTranslation(int conn, int client); |
| 179 | extern void ClearConnectionTranslation(void); |
| 180 | #endif |
| 181 | |
| 182 | extern Bool NewOutputPending; |
| 183 | extern Bool AnyClientsWriteBlocked; |
| 184 | |
| 185 | extern WorkQueuePtr workQueue; |
| 186 | |
| 187 | /* in WaitFor.c */ |
| 188 | #ifdef WIN32 |
| 189 | typedef long int fd_mask; |
| 190 | #endif |
| 191 | #define ffs mffs |
| 192 | extern int mffs(fd_mask); |
| 193 | |
| 194 | /* in access.c */ |
| 195 | extern Bool ComputeLocalClient(ClientPtr client); |
| 196 | |
| 197 | /* in auth.c */ |
| 198 | extern void GenerateRandomData(int len, char *buf); |
| 199 | |
| 200 | /* in mitauth.c */ |
| 201 | extern XID MitCheckCookie(AuthCheckArgs); |
| 202 | extern XID MitGenerateCookie(AuthGenCArgs); |
| 203 | extern XID MitToID(AuthToIDArgs); |
| 204 | extern int MitAddCookie(AuthAddCArgs); |
| 205 | extern int MitFromID(AuthFromIDArgs); |
| 206 | extern int MitRemoveCookie(AuthRemCArgs); |
| 207 | extern int MitResetCookie(AuthRstCArgs); |
| 208 | |
| 209 | /* in xdmauth.c */ |
| 210 | #ifdef HASXDMAUTH |
| 211 | extern XID XdmCheckCookie(AuthCheckArgs); |
| 212 | extern XID XdmToID(AuthToIDArgs); |
| 213 | extern int XdmAddCookie(AuthAddCArgs); |
| 214 | extern int XdmFromID(AuthFromIDArgs); |
| 215 | extern int XdmRemoveCookie(AuthRemCArgs); |
| 216 | extern int XdmResetCookie(AuthRstCArgs); |
| 217 | #endif |
| 218 | |
| 219 | /* in rpcauth.c */ |
| 220 | #ifdef SECURE_RPC |
| 221 | extern void SecureRPCInit(AuthInitArgs); |
| 222 | extern XID SecureRPCCheck(AuthCheckArgs); |
| 223 | extern XID SecureRPCToID(AuthToIDArgs); |
| 224 | extern int SecureRPCAdd(AuthAddCArgs); |
| 225 | extern int SecureRPCFromID(AuthFromIDArgs); |
| 226 | extern int SecureRPCRemove(AuthRemCArgs); |
| 227 | extern int SecureRPCReset(AuthRstCArgs); |
| 228 | #endif |
| 229 | |
| 230 | #ifdef XDMCP |
| 231 | /* in xdmcp.c */ |
| 232 | extern void XdmcpUseMsg(void); |
| 233 | extern int XdmcpOptions(int argc, char **argv, int i); |
| 234 | extern void XdmcpRegisterConnection(int type, const char *address, int addrlen); |
| 235 | extern void XdmcpRegisterAuthorizations(void); |
| 236 | extern void XdmcpRegisterAuthorization(const char *name, int namelen); |
| 237 | extern void XdmcpInit(void); |
| 238 | extern void XdmcpReset(void); |
| 239 | extern void XdmcpOpenDisplay(int sock); |
| 240 | extern void XdmcpCloseDisplay(int sock); |
| 241 | extern void XdmcpRegisterAuthentication(const char *name, |
| 242 | int namelen, |
| 243 | const char *data, |
| 244 | int datalen, |
| 245 | ValidatorFunc Validator, |
| 246 | GeneratorFunc Generator, |
| 247 | AddAuthorFunc AddAuth); |
| 248 | |
| 249 | struct sockaddr_in; |
| 250 | extern void XdmcpRegisterBroadcastAddress(const struct sockaddr_in *addr); |
| 251 | #endif |
| 252 | |
| 253 | #ifdef HASXDMAUTH |
| 254 | extern void XdmAuthenticationInit(const char *cookie, int cookie_length); |
| 255 | #endif |
| 256 | |
| 257 | #endif /* _OSDEP_H_ */ |