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Added stubs for Process32First/Process32Next.
[wine/multimedia.git] / misc / winsock.c
blob0fb8a1abd8b8501c190c9b77f43bede2ecb5e2d0
1 /*
2 * based on Windows Sockets 1.1 specs
3 * (ftp.microsoft.com:/Advsys/winsock/spec11/WINSOCK.TXT)
4 *
5 * (C) 1993,1994,1996,1997 John Brezak, Erik Bos, Alex Korobka.
6 *
7 * NOTE: If you make any changes to fix a particular app, make sure
8 * they don't break something else like Netscape or telnet and ftp
9 * clients and servers (www.winsite.com got a lot of those).
10 *
11 */
12
13 #include "config.h"
14
15 #include <string.h>
16 #include <signal.h>
17 #include <sys/types.h>
18 #include <sys/ipc.h>
19 #include <sys/ioctl.h>
20 #ifdef HAVE_SYS_FILIO_H
21 # include <sys/filio.h>
22 #endif
23 #if defined(__svr4__)
24 #include <sys/ioccom.h>
25 #include <sys/sockio.h>
26 #endif
27
28 #if defined(__EMX__)
29 # include <sys/so_ioctl.h>
30 #endif
31
32 #ifdef HAVE_SYS_PARAM_H
33 # include <sys/param.h>
34 #endif
35
36 #include <sys/msg.h>
37 #include <sys/wait.h>
38 #include <sys/socket.h>
39 #include <netinet/in.h>
40 #include <arpa/inet.h>
41 #include <ctype.h>
42 #include <fcntl.h>
43 #include <errno.h>
44 #include <sys/errno.h>
45 #include <netdb.h>
46 #include <unistd.h>
47
48 #include "winsock.h"
49 #include "windows.h"
50 #include "winnt.h"
51 #include "heap.h"
52 #include "ldt.h"
53 #include "task.h"
54 #include "message.h"
55 #include "miscemu.h"
56 #include "debug.h"
57
58 #define DEBUG_SOCKADDR 0
59 #define dump_sockaddr(a) \
60 DUMP("sockaddr_in: family %d, address %s, port %d\n", \
61 ((struct sockaddr_in *)a)->sin_family, \
62 inet_ntoa(((struct sockaddr_in *)a)->sin_addr), \
63 ntohs(((struct sockaddr_in *)a)->sin_port))
64
65 #pragma pack(4)
66
67 /* ----------------------------------- internal data */
68
69 static HANDLE32 _WSHeap = 0;
70 static unsigned char* _ws_stub = NULL;
71 static LPWSINFO _wsi_list = NULL;
72
73 #define WS_ALLOC(size) \
74 HeapAlloc(_WSHeap, HEAP_ZERO_MEMORY, (size) )
75 #define WS_FREE(ptr) \
76 HeapFree(_WSHeap, 0, (ptr) )
77
78 #define WS_PTR2HANDLE(ptr) \
79 ((short)((int)(ptr) - (int)_ws_stub))
80 #define WS_HANDLE2PTR(handle) \
81 ((unsigned)((int)_ws_stub + (int)(handle)))
82
83 #define WSI_CHECK_RANGE(pwsi, pws) \
84 ( ((unsigned)(pws) > (unsigned)(pwsi)) && \
85 ((unsigned)(pws) < ((unsigned)(pwsi) + sizeof(WSINFO))) )
86
87 static INT32 _ws_sock_ops[] =
88 { WS_SO_DEBUG, WS_SO_REUSEADDR, WS_SO_KEEPALIVE, WS_SO_DONTROUTE,
89 WS_SO_BROADCAST, WS_SO_LINGER, WS_SO_OOBINLINE, WS_SO_SNDBUF,
90 WS_SO_RCVBUF, WS_SO_ERROR, WS_SO_TYPE, WS_SO_DONTLINGER, 0 };
91 static int _px_sock_ops[] =
92 { SO_DEBUG, SO_REUSEADDR, SO_KEEPALIVE, SO_DONTROUTE, SO_BROADCAST,
93 SO_LINGER, SO_OOBINLINE, SO_SNDBUF, SO_RCVBUF, SO_ERROR, SO_TYPE,
94 SO_LINGER };
95
96 static int _check_ws(LPWSINFO pwsi, ws_socket* pws);
97 static char* _check_buffer(LPWSINFO pwsi, int size);
98
99 /***********************************************************************
100 * convert_sockopt()
101 *
102 * Converts socket flags from Windows format.
103 */
104 static void convert_sockopt(INT32 *level, INT32 *optname)
105 {
106 int i;
107 switch (*level)
108 {
109 case WS_SOL_SOCKET:
110 *level = SOL_SOCKET;
111 for(i=0; _ws_sock_ops[i]; i++)
112 if( _ws_sock_ops[i] == *optname ) break;
113 if( _ws_sock_ops[i] ) *optname = _px_sock_ops[i];
114 else WARN(winsock, "Unknown optname %d\n", *optname);
115 break;
116 case WS_IPPROTO_TCP:
117 *optname = IPPROTO_TCP;
118 }
119 }
120
121 /* ----------------------------------- Per-thread info (or per-process?) */
122
123 static LPWSINFO wsi_find(HTASK16 hTask)
124 {
125 TDB* pTask = (TDB*)GlobalLock16(hTask);
126 if( pTask )
127 {
128 if( pTask->pwsi ) return pTask->pwsi;
129 else
130 {
131 LPWSINFO pwsi = _wsi_list;
132 while( pwsi && pwsi->tid != hTask ) pwsi = pwsi->next;
133 if( pwsi )
134 WARN(winsock,"(pwsi=0x%08x,task=0x%04x):Loose wsi struct! \n",
135 (unsigned)pwsi, hTask );
136 return pwsi;
137 }
138 }
139 return NULL;
140 }
141
142 static ws_socket* wsi_alloc_socket(LPWSINFO pwsi, int fd)
143 {
144 /* Initialize a new entry in the socket table */
145
146 if( pwsi->last_free >= 0 )
147 {
148 int i = pwsi->last_free;
149
150 pwsi->last_free = pwsi->sock[i].flags; /* free list */
151 pwsi->sock[i].fd = fd;
152 pwsi->sock[i].flags = 0;
153 return &pwsi->sock[i];
154 }
155 return NULL;
156 }
157
158 static int wsi_strtolo(LPWSINFO pwsi, const char* name, const char* opt)
159 {
160 /* Stuff a lowercase copy of the string into the local buffer */
161
162 int i = strlen(name) + 2;
163 char* p = _check_buffer(pwsi, i + ((opt)?strlen(opt):0));
164
165 if( p )
166 {
167 do *p++ = tolower(*name); while(*name++);
168 i = (p - (char*)(pwsi->buffer));
169 if( opt ) do *p++ = tolower(*opt); while(*opt++);
170 return i;
171 }
172 return 0;
173 }
174
175 static fd_set* fd_set_import( fd_set* fds, LPWSINFO pwsi, void* wsfds, int* highfd, BOOL32 b32 )
176 {
177 /* translate Winsock fd set into local fd set */
178
179 if( wsfds )
180 {
181 #define wsfds16 ((ws_fd_set16*)wsfds)
182 #define wsfds32 ((ws_fd_set32*)wsfds)
183 ws_socket* pws;
184 int i, count;
185
186 FD_ZERO(fds);
187 count = b32 ? wsfds32->fd_count : wsfds16->fd_count;
188
189 for( i = 0; i < count; i++ )
190 {
191 pws = (b32) ? (ws_socket*)WS_HANDLE2PTR(wsfds32->fd_array[i])
192 : (ws_socket*)WS_HANDLE2PTR(wsfds16->fd_array[i]);
193 if( _check_ws(pwsi, pws) )
194 {
195 if( pws->fd > *highfd ) *highfd = pws->fd;
196 FD_SET(pws->fd, fds);
197 }
198 }
199 #undef wsfds32
200 #undef wsfds16
201 return fds;
202 }
203 return NULL;
204 }
205
206 __inline__ static int sock_error_p(int s)
207 {
208 unsigned int optval, optlen;
209
210 optlen = sizeof(optval);
211 getsockopt(s, SOL_SOCKET, SO_ERROR, &optval, &optlen);
212 if (optval) WARN(winsock, "\t[%i] error: %d\n", s, optval);
213 return optval != 0;
214 }
215
216 static int fd_set_export( LPWSINFO pwsi, fd_set* fds, fd_set* exceptfds, void* wsfds, BOOL32 b32 )
217 {
218 int num_err = 0;
219
220 /* translate local fd set into Winsock fd set, adding
221 * errors to exceptfds (only if app requested it) */
222
223 if( wsfds )
224 {
225 #define wsfds16 ((ws_fd_set16*)wsfds)
226 #define wsfds32 ((ws_fd_set32*)wsfds)
227 int i, j, count = (b32) ? wsfds32->fd_count : wsfds16->fd_count;
228
229 for( i = 0, j = 0; i < count; i++ )
230 {
231 ws_socket *pws = (b32) ? (ws_socket*)WS_HANDLE2PTR(wsfds32->fd_array[i])
232 : (ws_socket*)WS_HANDLE2PTR(wsfds16->fd_array[i]);
233 if( _check_ws(pwsi, pws) )
234 {
235 int fd = pws->fd;
236
237 if( FD_ISSET(fd, fds) )
238 {
239 if ( exceptfds && sock_error_p(fd) )
240 {
241 FD_SET(fd, exceptfds);
242 num_err++;
243 }
244 else if( b32 )
245 wsfds32->fd_array[j++] = wsfds32->fd_array[i];
246 else
247 wsfds16->fd_array[j++] = wsfds16->fd_array[i];
248 }
249 }
250 }
251
252 if( b32 ) wsfds32->fd_count = j;
253 else wsfds16->fd_count = j;
254
255 TRACE(winsock, "\n");
256 #undef wsfds32
257 #undef wsfds16
258 }
259 return num_err;
260 }
261
262 HANDLE16 __ws_gethandle( void* ptr )
263 {
264 return (HANDLE16)WS_PTR2HANDLE(ptr);
265 }
266
267 void* __ws_memalloc( int size )
268 {
269 return WS_ALLOC(size);
270 }
271
272 void __ws_memfree(void* ptr)
273 {
274 WS_FREE(ptr);
275 }
276
277 /* ----------------------------------- API -----
278 *
279 * Init / cleanup / error checking.
280 */
281
282 /***********************************************************************
283 * WSAStartup16() (WINSOCK.115)
284 *
285 * Create socket control struct, attach it to the global list and
286 * update a pointer in the task struct.
287 */
288 INT16 WINAPI WSAStartup16(UINT16 wVersionRequested, LPWSADATA lpWSAData)
289 {
290 WSADATA WINSOCK_data = { 0x0101, 0x0101,
291 "WINE Sockets 1.1",
292 #ifdef linux
293 "Linux/i386",
294 #elif defined(__NetBSD__)
295 "NetBSD/i386",
296 #elif defined(sunos)
297 "SunOS",
298 #elif defined(__FreeBSD__)
299 "FreeBSD",
300 #elif defined(__OpenBSD__)
301 "OpenBSD/i386",
302 #else
303 "Unknown",
304 #endif
305 WS_MAX_SOCKETS_PER_PROCESS,
306 WS_MAX_UDP_DATAGRAM, (SEGPTR)NULL };
307 HTASK16 tid = GetCurrentTask();
308 LPWSINFO pwsi;
309
310 TRACE(winsock, "verReq=%x\n", wVersionRequested);
311
312 if (LOBYTE(wVersionRequested) < 1 || (LOBYTE(wVersionRequested) == 1 &&
313 HIBYTE(wVersionRequested) < 1)) return WSAVERNOTSUPPORTED;
314
315 if (!lpWSAData) return WSAEINVAL;
316
317 /* initialize socket heap */
318
319 if( !_ws_stub )
320 {
321 _WSHeap = HeapCreate(HEAP_ZERO_MEMORY, 8120, 32768);
322 if( !(_ws_stub = WS_ALLOC(0x10)) )
323 {
324 ERR(winsock,"Fatal: failed to create WinSock heap\n");
325 return 0;
326 }
327 }
328 if( _WSHeap == 0 ) return WSASYSNOTREADY;
329
330 /* create socket array for this task */
331
332 pwsi = wsi_find(GetCurrentTask());
333 if( pwsi == NULL )
334 {
335 TDB* pTask = (TDB*)GlobalLock16( tid );
336
337 if( (pwsi = (LPWSINFO)WS_ALLOC( sizeof(WSINFO))) )
338 {
339 int i = 0;
340 pwsi->tid = tid;
341 for( i = 0; i < WS_MAX_SOCKETS_PER_PROCESS; i++ )
342 {
343 pwsi->sock[i].fd = -1;
344 pwsi->sock[i].flags = i + 1;
345 }
346 pwsi->sock[WS_MAX_SOCKETS_PER_PROCESS - 1].flags = -1;
347 }
348 else return WSASYSNOTREADY;
349
350 /* add this control struct to the global list */
351
352 pwsi->prev = NULL;
353 if( _wsi_list )
354 _wsi_list->prev = pwsi;
355 pwsi->next = _wsi_list;
356 _wsi_list = pwsi;
357 pTask->pwsi = pwsi;
358 }
359 else pwsi->num_startup++;
360
361 /* return winsock information */
362
363 memcpy(lpWSAData, &WINSOCK_data, sizeof(WINSOCK_data));
364
365 TRACE(winsock, "succeeded\n");
366 return 0;
367 }
368
369 /***********************************************************************
370 * WSAStartup32() (WSOCK32.115)
371 */
372 INT32 WINAPI WSAStartup32(UINT32 wVersionRequested, LPWSADATA lpWSAData)
373 {
374 return WSAStartup16( wVersionRequested, lpWSAData );
375 }
376
377 /***********************************************************************
378 * WSACleanup() (WINSOCK.116)
379 *
380 * Cleanup functions of varying impact.
381 */
382 void WINSOCK_Shutdown()
383 {
384 /* Called on exit(), has to remove all outstanding async DNS processes. */
385
386 WINSOCK_cancel_task_aops( 0, __ws_memfree );
387 }
388
389 INT32 WINSOCK_DeleteTaskWSI( TDB* pTask, LPWSINFO pwsi )
390 {
391 /* WSACleanup() backend, called on task termination as well.
392 * Real DLL would have registered its own signal handler with
393 * TaskSetSignalHandler() and waited until USIG_TERMINATION/USIG_GPF
394 * but this scheme is much more straightforward.
395 */
396
397 int i, j, n;
398
399 if( --pwsi->num_startup > 0 ) return 0;
400
401 SIGNAL_MaskAsyncEvents( TRUE );
402 WINSOCK_cancel_task_aops( pTask->hSelf, __ws_memfree );
403 SIGNAL_MaskAsyncEvents( FALSE );
404
405 /* unlink socket control struct */
406
407 if( pwsi == _wsi_list )
408 _wsi_list = pwsi->next;
409 else
410 pwsi->prev->next = pwsi->next;
411 if( pwsi->next ) pwsi->next->prev = pwsi->prev;
412
413 if( _wsi_list == NULL )
414 WINSOCK_Shutdown(); /* just in case */
415
416 if( pwsi->flags & WSI_BLOCKINGCALL )
417 TRACE(winsock,"\tinside blocking call!\n");
418
419 /* FIXME: aop_control() doesn't decrement pwsi->num_async_rq
420 *
421 * if( pwsi->num_async_rq )
422 * WARN(winsock,"\thave %i outstanding async ops!\n", pwsi->num_async_rq );
423 */
424
425 for(i = 0, j = 0, n = 0; i < WS_MAX_SOCKETS_PER_PROCESS; i++)
426 if( pwsi->sock[i].fd != -1 )
427 {
428 if( pwsi->sock[i].psop )
429 {
430 n++;
431 WSAAsyncSelect32( (SOCKET16)WS_PTR2HANDLE(pwsi->sock + i), 0, 0, 0 );
432 }
433 close(pwsi->sock[i].fd); j++;
434 }
435 if( j )
436 TRACE(winsock,"\tclosed %i sockets, killed %i async selects!\n", j, n);
437
438 /* delete scratch buffers */
439
440 if( pwsi->buffer ) SEGPTR_FREE(pwsi->buffer);
441 if( pwsi->dbuffer ) SEGPTR_FREE(pwsi->dbuffer);
442
443 if( pTask )
444 pTask->pwsi = NULL;
445 memset( pwsi, 0, sizeof(WSINFO) );
446 WS_FREE(pwsi);
447 return 0;
448 }
449
450 INT32 WINAPI WSACleanup(void)
451 {
452 HTASK16 hTask = GetCurrentTask();
453
454 TRACE(winsock, "(%04x)\n", hTask );
455 if( hTask )
456 {
457 LPWSINFO pwsi = wsi_find(hTask);
458 if( pwsi )
459 return WINSOCK_DeleteTaskWSI( (TDB*)GlobalLock16(hTask), pwsi );
460 return SOCKET_ERROR;
461 }
462 else
463 WINSOCK_Shutdown(); /* remove all outstanding DNS requests */
464 return 0;
465 }
466
467
468 /***********************************************************************
469 * WSAGetLastError() (WSOCK32.111)(WINSOCK.111)
470 */
471 INT32 WINAPI WSAGetLastError(void)
472 {
473 LPWSINFO pwsi = wsi_find(GetCurrentTask());
474 INT16 ret = (pwsi) ? pwsi->err : WSANOTINITIALISED;
475
476 TRACE(winsock, "(%08x) = %i\n",
477 (unsigned)pwsi, (int)ret);
478 return ret;
479 }
480
481 /***********************************************************************
482 * WSASetLastError32() (WSOCK32.112)
483 */
484 void WINAPI WSASetLastError32(INT32 iError)
485 {
486 LPWSINFO pwsi = wsi_find(GetCurrentTask());
487
488 TRACE(winsock, "(%08x): %d\n", (unsigned)pwsi, (int)iError);
489 if( pwsi ) pwsi->err = iError;
490 }
491
492 /***********************************************************************
493 * WSASetLastError16() (WINSOCK.112)
494 */
495 void WINAPI WSASetLastError16(INT16 iError)
496 {
497 WSASetLastError32(iError);
498 }
499
500 int _check_ws(LPWSINFO pwsi, ws_socket* pws)
501 {
502 if( pwsi )
503 if( pwsi->flags & WSI_BLOCKINGCALL ) pwsi->err = WSAEINPROGRESS;
504 else if( WSI_CHECK_RANGE(pwsi, pws) ) return 1;
505 else pwsi->err = WSAENOTSOCK;
506 return 0;
507 }
508
509 char* _check_buffer(LPWSINFO pwsi, int size)
510 {
511 if( pwsi->buffer && pwsi->buflen >= size ) return pwsi->buffer;
512 else SEGPTR_FREE(pwsi->buffer);
513
514 pwsi->buffer = (char*)SEGPTR_ALLOC((pwsi->buflen = size));
515 return pwsi->buffer;
516 }
517
518 struct ws_hostent* _check_buffer_he(LPWSINFO pwsi, int size)
519 {
520 if( pwsi->he && pwsi->helen >= size ) return pwsi->he;
521 else SEGPTR_FREE(pwsi->he);
522
523 pwsi->he = (struct ws_hostent*)SEGPTR_ALLOC((pwsi->helen = size));
524 return pwsi->he;
525 }
526
527 struct ws_servent* _check_buffer_se(LPWSINFO pwsi, int size)
528 {
529 if( pwsi->se && pwsi->selen >= size ) return pwsi->se;
530 else SEGPTR_FREE(pwsi->se);
531
532 pwsi->se = (struct ws_servent*)SEGPTR_ALLOC((pwsi->selen = size));
533 return pwsi->se;
534 }
535
536 struct ws_protoent* _check_buffer_pe(LPWSINFO pwsi, int size)
537 {
538 if( pwsi->pe && pwsi->pelen >= size ) return pwsi->pe;
539 else SEGPTR_FREE(pwsi->pe);
540
541 pwsi->pe = (struct ws_protoent*)SEGPTR_ALLOC((pwsi->pelen = size));
542 return pwsi->pe;
543 }
544
545 /* ----------------------------------- i/o APIs */
546
547 /***********************************************************************
548 * accept() (WSOCK32.1)
549 */
550 SOCKET32 WINAPI WINSOCK_accept32(SOCKET32 s, struct sockaddr *addr,
551 INT32 *addrlen32)
552 {
553 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR((SOCKET16)s);
554 LPWSINFO pwsi = wsi_find(GetCurrentTask());
555
556 TRACE(winsock, "(%08x): socket %04x\n",
557 (unsigned)pwsi, (UINT16)s );
558 if( _check_ws(pwsi, pws) )
559 {
560 int sock, fd_flags;
561
562 fd_flags = fcntl(pws->fd, F_GETFL, 0);
563
564 if( (sock = accept(pws->fd, addr, addrlen32)) >= 0 )
565 {
566 ws_socket* pnew = wsi_alloc_socket(pwsi, sock);
567 if( pnew )
568 {
569 s = (SOCKET32)WS_PTR2HANDLE(pnew);
570 if( pws->psop && pws->flags & WS_FD_ACCEPT )
571 {
572 EVENT_AddIO( pws->fd, EVENT_IO_READ ); /* reenabler */
573
574 /* async select the accept()'ed socket */
575 WSAAsyncSelect32( s, pws->psop->hWnd, pws->psop->uMsg,
576 pws->flags & ~WS_FD_ACCEPT );
577 }
578 return s;
579 }
580 else pwsi->err = WSAENOBUFS;
581 }
582 else pwsi->err = wsaErrno();
583 }
584 return INVALID_SOCKET32;
585 }
586
587 /***********************************************************************
588 * accept() (WINSOCK.1)
589 */
590 SOCKET16 WINAPI WINSOCK_accept16(SOCKET16 s, struct sockaddr* addr,
591 INT16* addrlen16 )
592 {
593 INT32 addrlen32 = addrlen16 ? *addrlen16 : 0;
594 SOCKET32 retSocket = WINSOCK_accept32( s, addr, &addrlen32 );
595 if( addrlen16 ) *addrlen16 = (INT16)addrlen32;
596 return (SOCKET16)retSocket;
597 }
598
599 /***********************************************************************
600 * bind() (WSOCK32.2)
601 */
602 INT32 WINAPI WINSOCK_bind32(SOCKET32 s, struct sockaddr *name, INT32 namelen)
603 {
604 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
605 LPWSINFO pwsi = wsi_find(GetCurrentTask());
606
607 TRACE(winsock, "(%08x): socket %04x, ptr %8x, length %d\n",
608 (unsigned)pwsi, s, (int) name, namelen);
609 #if DEBUG_SOCKADDR
610 dump_sockaddr(name);
611 #endif
612
613 if ( _check_ws(pwsi, pws) )
614 if ( namelen >= sizeof(*name) )
615 if ( ((struct ws_sockaddr_in *)name)->sin_family == AF_INET )
616 if ( bind(pws->fd, name, namelen) < 0 )
617 {
618 int loc_errno = errno;
619 WARN(winsock, "\tfailure - errno = %i\n", errno);
620 errno = loc_errno;
621 switch(errno)
622 {
623 case EBADF: pwsi->err = WSAENOTSOCK; break;
624 case EADDRNOTAVAIL: pwsi->err = WSAEINVAL; break;
625 default: pwsi->err = wsaErrno();
626 }
627 }
628 else return 0; /* success */
629 else pwsi->err = WSAEAFNOSUPPORT;
630 else pwsi->err = WSAEFAULT;
631 return SOCKET_ERROR;
632 }
633
634 /***********************************************************************
635 * bind() (WINSOCK.2)
636 */
637 INT16 WINAPI WINSOCK_bind16(SOCKET16 s, struct sockaddr *name, INT16 namelen)
638 {
639 return (INT16)WINSOCK_bind32( s, name, namelen );
640 }
641
642 /***********************************************************************
643 * closesocket() (WSOCK32.3)
644 */
645 INT32 WINAPI WINSOCK_closesocket32(SOCKET32 s)
646 {
647 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
648 LPWSINFO pwsi = wsi_find(GetCurrentTask());
649
650 TRACE(winsock, "(%08x): socket %08x\n", (unsigned)pwsi, s);
651
652 if( _check_ws(pwsi, pws) )
653 {
654 int fd = pws->fd;
655
656 if( pws->psop ) WSAAsyncSelect32( s, 0, 0, 0 );
657
658 pws->fd = -1;
659 pws->flags = (unsigned)pwsi->last_free;
660 pwsi->last_free = pws - &pwsi->sock[0]; /* add to free list */
661
662 if( close(fd) == 0 )
663 return 0;
664 pwsi->err = (errno == EBADF) ? WSAENOTSOCK : wsaErrno();
665 }
666 return SOCKET_ERROR;
667 }
668
669 /***********************************************************************
670 * closesocket() (WINSOCK.3)
671 */
672 INT16 WINAPI WINSOCK_closesocket16(SOCKET16 s)
673 {
674 return (INT16)WINSOCK_closesocket32(s);
675 }
676
677 /***********************************************************************
678 * connect() (WSOCK32.4)
679 */
680 INT32 WINAPI WINSOCK_connect32(SOCKET32 s, struct sockaddr *name, INT32 namelen)
681 {
682 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
683 LPWSINFO pwsi = wsi_find(GetCurrentTask());
684
685 TRACE(winsock, "(%08x): socket %04x, ptr %8x, length %d\n",
686 (unsigned)pwsi, s, (int) name, namelen);
687 #if DEBUG_SOCKADDR
688 dump_sockaddr(name);
689 #endif
690
691 if( _check_ws(pwsi, pws) )
692 {
693 if (connect(pws->fd, name, namelen) == 0)
694 {
695 if( pws->psop && (pws->flags & WS_FD_CONNECT) )
696 {
697 /* application did AsyncSelect() but then went
698 * ahead and called connect() without waiting for
699 * notification.
700 *
701 * FIXME: Do we have to post a notification message
702 * in this case?
703 */
704
705 if( !(pws->flags & WS_FD_CONNECTED) )
706 {
707 if( pws->flags & (WS_FD_READ | WS_FD_CLOSE) )
708 EVENT_AddIO( pws->fd, EVENT_IO_READ );
709 else
710 EVENT_DeleteIO( pws->fd, EVENT_IO_READ );
711 if( pws->flags & WS_FD_WRITE )
712 EVENT_AddIO( pws->fd, EVENT_IO_WRITE );
713 else
714 EVENT_DeleteIO( pws->fd, EVENT_IO_WRITE );
715 }
716 }
717 pws->flags |= WS_FD_CONNECTED;
718 pws->flags &= ~(WS_FD_INACTIVE | WS_FD_CONNECT | WS_FD_LISTENING);
719 return 0;
720 }
721 pwsi->err = (errno == EINPROGRESS) ? WSAEWOULDBLOCK : wsaErrno();
722 }
723 return SOCKET_ERROR;
724 }
725
726 /***********************************************************************
727 * connect() (WINSOCK.4)
728 */
729 INT16 WINAPI WINSOCK_connect16(SOCKET16 s, struct sockaddr *name, INT16 namelen)
730 {
731 return (INT16)WINSOCK_connect32( s, name, namelen );
732 }
733
734 /***********************************************************************
735 * getpeername() (WSOCK32.5)
736 */
737 INT32 WINAPI WINSOCK_getpeername32(SOCKET32 s, struct sockaddr *name,
738 INT32 *namelen)
739 {
740 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
741 LPWSINFO pwsi = wsi_find(GetCurrentTask());
742
743 TRACE(winsock, "(%08x): socket: %04x, ptr %8x, ptr %8x\n",
744 (unsigned)pwsi, s, (int) name, *namelen);
745 if( _check_ws(pwsi, pws) )
746 {
747 if (getpeername(pws->fd, name, namelen) == 0)
748 return 0;
749 pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
750 }
751 return SOCKET_ERROR;
752 }
753
754 /***********************************************************************
755 * getpeername() (WINSOCK.5)
756 */
757 INT16 WINAPI WINSOCK_getpeername16(SOCKET16 s, struct sockaddr *name,
758 INT16 *namelen16)
759 {
760 INT32 namelen32 = *namelen16;
761 INT32 retVal = WINSOCK_getpeername32( s, name, &namelen32 );
762
763 #if DEBUG_SOCKADDR
764 dump_sockaddr(name);
765 #endif
766
767 *namelen16 = namelen32;
768 return (INT16)retVal;
769 }
770
771 /***********************************************************************
772 * getsockname() (WSOCK32.6)
773 */
774 INT32 WINAPI WINSOCK_getsockname32(SOCKET32 s, struct sockaddr *name,
775 INT32 *namelen)
776 {
777 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
778 LPWSINFO pwsi = wsi_find(GetCurrentTask());
779
780 TRACE(winsock, "(%08x): socket: %04x, ptr %8x, ptr %8x\n",
781 (unsigned)pwsi, s, (int) name, (int) *namelen);
782 if( _check_ws(pwsi, pws) )
783 {
784 if (getsockname(pws->fd, name, namelen) == 0)
785 return 0;
786 pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
787 }
788 return SOCKET_ERROR;
789 }
790
791 /***********************************************************************
792 * getsockname() (WINSOCK.6)
793 */
794 INT16 WINAPI WINSOCK_getsockname16(SOCKET16 s, struct sockaddr *name,
795 INT16 *namelen16)
796 {
797 INT32 retVal;
798
799 if( namelen16 )
800 {
801 INT32 namelen32 = *namelen16;
802 retVal = WINSOCK_getsockname32( s, name, &namelen32 );
803 *namelen16 = namelen32;
804
805 #if DEBUG_SOCKADDR
806 dump_sockaddr(name);
807 #endif
808
809 }
810 else retVal = SOCKET_ERROR;
811 return (INT16)retVal;
812 }
813
814
815 /***********************************************************************
816 * getsockopt() (WSOCK32.7)
817 */
818 INT32 WINAPI WINSOCK_getsockopt32(SOCKET32 s, INT32 level,
819 INT32 optname, char *optval, INT32 *optlen)
820 {
821 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
822 LPWSINFO pwsi = wsi_find(GetCurrentTask());
823
824 TRACE(winsock, "(%08x): socket: %04x, opt %d, ptr %8x, ptr %8x\n",
825 (unsigned)pwsi, s, level, (int) optval, (int) *optlen);
826 if( _check_ws(pwsi, pws) )
827 {
828 convert_sockopt(&level, &optname);
829 if (getsockopt(pws->fd, (int) level, optname, optval, optlen) == 0 )
830 return 0;
831 pwsi->err = (errno == EBADF) ? WSAENOTSOCK : wsaErrno();
832 }
833 return SOCKET_ERROR;
834 }
835
836 /***********************************************************************
837 * getsockopt() (WINSOCK.7)
838 */
839 INT16 WINAPI WINSOCK_getsockopt16(SOCKET16 s, INT16 level,
840 INT16 optname, char *optval, INT16 *optlen)
841 {
842 INT32 optlen32;
843 INT32 *p = &optlen32;
844 INT32 retVal;
845 if( optlen ) optlen32 = *optlen; else p = NULL;
846 retVal = WINSOCK_getsockopt32( s, (UINT16)level, optname, optval, p );
847 if( optlen ) *optlen = optlen32;
848 return (INT16)retVal;
849 }
850
851 /***********************************************************************
852 * htonl() (WINSOCK.8)(WSOCK32.8)
853 */
854 u_long WINAPI WINSOCK_htonl(u_long hostlong) { return( htonl(hostlong) ); }
855 /***********************************************************************
856 * htons() (WINSOCK.9)(WSOCK32.9)
857 */
858 u_short WINAPI WINSOCK_htons(u_short hostshort) { return( htons(hostshort) ); }
859 /***********************************************************************
860 * inet_addr() (WINSOCK.10)(WSOCK32.10)
861 */
862 u_long WINAPI WINSOCK_inet_addr(char *cp) { return( inet_addr(cp) ); }
863 /***********************************************************************
864 * htohl() (WINSOCK.14)(WSOCK32.14)
865 */
866 u_long WINAPI WINSOCK_ntohl(u_long netlong) { return( ntohl(netlong) ); }
867 /***********************************************************************
868 * ntohs() (WINSOCK.15)(WSOCK32.15)
869 */
870 u_short WINAPI WINSOCK_ntohs(u_short netshort) { return( ntohs(netshort) ); }
871
872 /***********************************************************************
873 * inet_ntoa() (WINSOCK.11)(WSOCK32.11)
874 */
875 char* WINAPI WINSOCK_inet_ntoa32(struct in_addr in)
876 {
877 /* use "buffer for dummies" here because some applications have
878 * propensity to decode addresses in ws_hostent structure without
879 * saving them first...
880 */
881
882 LPWSINFO pwsi = wsi_find(GetCurrentTask());
883
884 if( pwsi )
885 {
886 char* s = inet_ntoa(in);
887 if( s )
888 {
889 if( pwsi->dbuffer == NULL )
890 if((pwsi->dbuffer = (char*) SEGPTR_ALLOC(32)) == NULL )
891 {
892 pwsi->err = WSAENOBUFS;
893 return NULL;
894 }
895 strncpy(pwsi->dbuffer, s, 32 );
896 return pwsi->dbuffer;
897 }
898 pwsi->err = wsaErrno();
899 }
900 return NULL;
901 }
902
903 SEGPTR WINAPI WINSOCK_inet_ntoa16(struct in_addr in)
904 {
905 char* retVal = WINSOCK_inet_ntoa32(in);
906 return retVal ? SEGPTR_GET(retVal) : (SEGPTR)NULL;
907 }
908
909 /***********************************************************************
910 * ioctlsocket() (WSOCK32.12)
911 */
912 INT32 WINAPI WINSOCK_ioctlsocket32(SOCKET32 s, UINT32 cmd, UINT32 *argp)
913 {
914 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
915 LPWSINFO pwsi = wsi_find(GetCurrentTask());
916
917 TRACE(winsock, "(%08x): socket %04x, cmd %08x, ptr %8x\n",
918 (unsigned)pwsi, s, cmd, (unsigned) argp);
919 if( _check_ws(pwsi, pws) )
920 {
921 long newcmd = cmd;
922
923 switch( cmd )
924 {
925 case WS_FIONREAD:
926 newcmd=FIONREAD;
927 break;
928
929 case WS_FIONBIO:
930 newcmd=FIONBIO;
931 if( pws->psop && *argp == 0 )
932 {
933 /* AsyncSelect()'ed sockets are always nonblocking */
934 pwsi->err = WSAEINVAL;
935 return SOCKET_ERROR;
936 }
937 break;
938
939 case WS_SIOCATMARK:
940 newcmd=SIOCATMARK;
941 break;
942
943 case WS_IOW('f',125,u_long):
944 WARN(winsock,"Warning: WS1.1 shouldn't be using async I/O\n");
945 pwsi->err = WSAEINVAL;
946 return SOCKET_ERROR;
947
948 default:
949 /* Netscape tries hard to use bogus ioctl 0x667e */
950 WARN(winsock, "\tunknown WS_IOCTL cmd (%08x)\n", cmd);
951 }
952 if( ioctl(pws->fd, newcmd, (char*)argp ) == 0 ) return 0;
953 pwsi->err = (errno == EBADF) ? WSAENOTSOCK : wsaErrno();
954 }
955 return SOCKET_ERROR;
956 }
957
958 /***********************************************************************
959 * ioctlsocket() (WINSOCK.12)
960 */
961 INT16 WINAPI WINSOCK_ioctlsocket16(SOCKET16 s, UINT32 cmd, UINT32 *argp)
962 {
963 return (INT16)WINSOCK_ioctlsocket32( s, cmd, argp );
964 }
965
966
967 /***********************************************************************
968 * listen() (WSOCK32.13)
969 */
970 INT32 WINAPI WINSOCK_listen32(SOCKET32 s, INT32 backlog)
971 {
972 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
973 LPWSINFO pwsi = wsi_find(GetCurrentTask());
974
975 TRACE(winsock, "(%08x): socket %04x, backlog %d\n",
976 (unsigned)pwsi, s, backlog);
977 if( _check_ws(pwsi, pws) )
978 {
979 if (listen(pws->fd, backlog) == 0)
980 {
981 if( !pws->psop )
982 {
983 int fd_flags = fcntl(pws->fd, F_GETFL, 0);
984 if( !(fd_flags & O_NONBLOCK) ) pws->flags |= WS_FD_ACCEPT;
985 }
986 pws->flags |= WS_FD_LISTENING;
987 pws->flags &= ~(WS_FD_INACTIVE | WS_FD_CONNECT | WS_FD_CONNECTED); /* just in case */
988 return 0;
989 }
990 pwsi->err = wsaErrno();
991 }
992 else if( pwsi ) pwsi->err = WSAENOTSOCK;
993 return SOCKET_ERROR;
994 }
995
996 /***********************************************************************
997 * listen() (WINSOCK.13)
998 */
999 INT16 WINAPI WINSOCK_listen16(SOCKET16 s, INT16 backlog)
1000 {
1001 return (INT16)WINSOCK_listen32( s, backlog );
1002 }
1003
1004
1005 /***********************************************************************
1006 * recv() (WSOCK32.16)
1007 */
1008 INT32 WINAPI WINSOCK_recv32(SOCKET32 s, char *buf, INT32 len, INT32 flags)
1009 {
1010 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
1011 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1012
1013 TRACE(winsock, "(%08x): socket %04x, buf %8x, len %d, "
1014 "flags %d\n", (unsigned)pwsi, s, (unsigned)buf,
1015 len, flags);
1016 if( _check_ws(pwsi, pws) )
1017 {
1018 INT32 length;
1019 if ((length = recv(pws->fd, buf, len, flags)) >= 0)
1020 {
1021 TRACE(winsock, " -> %i bytes\n", length);
1022
1023 if( pws->psop && (pws->flags & (WS_FD_READ | WS_FD_CLOSE)) )
1024 EVENT_AddIO( pws->fd, EVENT_IO_READ ); /* reenabler */
1025
1026 return length;
1027 }
1028 pwsi->err = wsaErrno();
1029 }
1030 else if( pwsi ) pwsi->err = WSAENOTSOCK;
1031 WARN(winsock, " -> ERROR\n");
1032 return SOCKET_ERROR;
1033 }
1034
1035 /***********************************************************************
1036 * recv() (WINSOCK.16)
1037 */
1038 INT16 WINAPI WINSOCK_recv16(SOCKET16 s, char *buf, INT16 len, INT16 flags)
1039 {
1040 return (INT16)WINSOCK_recv32( s, buf, len, flags );
1041 }
1042
1043
1044 /***********************************************************************
1045 * recvfrom() (WSOCK32.17)
1046 */
1047 INT32 WINAPI WINSOCK_recvfrom32(SOCKET32 s, char *buf, INT32 len, INT32 flags,
1048 struct sockaddr *from, INT32 *fromlen32)
1049 {
1050 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
1051 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1052
1053 TRACE(winsock, "(%08x): socket %04x, ptr %08x, "
1054 "len %d, flags %d\n", (unsigned)pwsi, s, (unsigned)buf,
1055 len, flags);
1056 #if DEBUG_SOCKADDR
1057 if( from ) dump_sockaddr(from);
1058 else DUMP("from = NULL\n");
1059 #endif
1060
1061 if( _check_ws(pwsi, pws) )
1062 {
1063 int length;
1064
1065 if ((length = recvfrom(pws->fd, buf, len, flags, from, fromlen32)) >= 0)
1066 {
1067 TRACE(winsock, " -> %i bytes\n", length);
1068
1069 if( pws->psop && (pws->flags & (WS_FD_READ | WS_FD_CLOSE)) )
1070 EVENT_AddIO( pws->fd, EVENT_IO_READ ); /* reenabler */
1071
1072 return (INT16)length;
1073 }
1074 pwsi->err = wsaErrno();
1075 }
1076 else if( pwsi ) pwsi->err = WSAENOTSOCK;
1077 WARN(winsock, " -> ERROR\n");
1078 return SOCKET_ERROR;
1079 }
1080
1081 /***********************************************************************
1082 * recvfrom() (WINSOCK.17)
1083 */
1084 INT16 WINAPI WINSOCK_recvfrom16(SOCKET16 s, char *buf, INT16 len, INT16 flags,
1085 struct sockaddr *from, INT16 *fromlen16)
1086 {
1087 INT32 fromlen32;
1088 INT32 *p = &fromlen32;
1089 INT32 retVal;
1090
1091 if( fromlen16 ) fromlen32 = *fromlen16; else p = NULL;
1092 retVal = WINSOCK_recvfrom32( s, buf, len, flags, from, p );
1093 if( fromlen16 ) *fromlen16 = fromlen32;
1094 return (INT16)retVal;
1095 }
1096
1097 /***********************************************************************
1098 * select() (WINSOCK.18)(WSOCK32.18)
1099 */
1100 static INT32 __ws_select( BOOL32 b32, void *ws_readfds, void *ws_writefds, void *ws_exceptfds,
1101 struct timeval *timeout )
1102 {
1103 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1104
1105 TRACE(winsock, "(%08x): read %8x, write %8x, excp %8x\n",
1106 (unsigned) pwsi, (unsigned) ws_readfds, (unsigned) ws_writefds, (unsigned) ws_exceptfds);
1107
1108 if( pwsi )
1109 {
1110 int highfd = 0;
1111 fd_set readfds, writefds, exceptfds;
1112 fd_set *p_read, *p_write, *p_except;
1113
1114 p_read = fd_set_import(&readfds, pwsi, ws_readfds, &highfd, b32);
1115 p_write = fd_set_import(&writefds, pwsi, ws_writefds, &highfd, b32);
1116 p_except = fd_set_import(&exceptfds, pwsi, ws_exceptfds, &highfd, b32);
1117
1118 if( (highfd = select(highfd + 1, p_read, p_write, p_except, timeout)) > 0 )
1119 {
1120 fd_set_export(pwsi, &readfds, p_except, ws_readfds, b32);
1121 fd_set_export(pwsi, &writefds, p_except, ws_writefds, b32);
1122
1123 if (p_except && ws_exceptfds)
1124 {
1125 #define wsfds16 ((ws_fd_set16*)ws_exceptfds)
1126 #define wsfds32 ((ws_fd_set32*)ws_exceptfds)
1127 int i, j, count = (b32) ? wsfds32->fd_count : wsfds16->fd_count;
1128
1129 for (i = j = 0; i < count; i++)
1130 {
1131 ws_socket *pws = (b32) ? (ws_socket *)WS_HANDLE2PTR(wsfds32->fd_array[i])
1132 : (ws_socket *)WS_HANDLE2PTR(wsfds16->fd_array[i]);
1133 if( _check_ws(pwsi, pws) && FD_ISSET(pws->fd, &exceptfds) )
1134 {
1135 if( b32 )
1136 wsfds32->fd_array[j++] = wsfds32->fd_array[i];
1137 else
1138 wsfds16->fd_array[j++] = wsfds16->fd_array[i];
1139 }
1140 }
1141 if( b32 )
1142 wsfds32->fd_count = j;
1143 else
1144 wsfds16->fd_count = j;
1145 #undef wsfds32
1146 #undef wsfds16
1147 }
1148 return highfd;
1149 }
1150 if( ws_readfds ) ((ws_fd_set32*)ws_readfds)->fd_count = 0;
1151 if( ws_writefds ) ((ws_fd_set32*)ws_writefds)->fd_count = 0;
1152 if( ws_exceptfds ) ((ws_fd_set32*)ws_exceptfds)->fd_count = 0;
1153
1154 if( highfd == 0 ) return 0;
1155 pwsi->err = wsaErrno();
1156 }
1157 return SOCKET_ERROR;
1158 }
1159
1160 INT16 WINAPI WINSOCK_select16(INT16 nfds, ws_fd_set16 *ws_readfds,
1161 ws_fd_set16 *ws_writefds, ws_fd_set16 *ws_exceptfds,
1162 struct timeval *timeout)
1163 {
1164 return (INT16)__ws_select( FALSE, ws_readfds, ws_writefds, ws_exceptfds, timeout );
1165 }
1166
1167 INT32 WINAPI WINSOCK_select32(INT32 nfds, ws_fd_set32 *ws_readfds,
1168 ws_fd_set32 *ws_writefds, ws_fd_set32 *ws_exceptfds,
1169 struct timeval *timeout)
1170 {
1171 /* struct timeval is the same for both 32- and 16-bit code */
1172 return (INT32)__ws_select( TRUE, ws_readfds, ws_writefds, ws_exceptfds, timeout );
1173 }
1174
1175
1176 /***********************************************************************
1177 * send() (WSOCK32.19)
1178 */
1179 INT32 WINAPI WINSOCK_send32(SOCKET32 s, char *buf, INT32 len, INT32 flags)
1180 {
1181 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
1182 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1183
1184 TRACE(winsock, "(%08x): socket %04x, ptr %08x, length %d, flags %d\n",
1185 (unsigned)pwsi, s, (unsigned) buf, len, flags);
1186 if( _check_ws(pwsi, pws) )
1187 {
1188 int length;
1189
1190 if ((length = send(pws->fd, buf, len, flags)) < 0 )
1191 {
1192 pwsi->err = wsaErrno();
1193 if( pwsi->err == WSAEWOULDBLOCK &&
1194 pws->psop && pws->flags & WS_FD_WRITE )
1195 EVENT_AddIO( pws->fd, EVENT_IO_WRITE ); /* reenabler */
1196 }
1197 else return (INT16)length;
1198 }
1199 else if( pwsi ) pwsi->err = WSAENOTSOCK;
1200 return SOCKET_ERROR;
1201 }
1202
1203 /***********************************************************************
1204 * send() (WINSOCK.19)
1205 */
1206 INT16 WINAPI WINSOCK_send16(SOCKET16 s, char *buf, INT16 len, INT16 flags)
1207 {
1208 return WINSOCK_send32( s, buf, len, flags );
1209 }
1210
1211 /***********************************************************************
1212 * sendto() (WSOCK32.20)
1213 */
1214 INT32 WINAPI WINSOCK_sendto32(SOCKET32 s, char *buf, INT32 len, INT32 flags,
1215 struct sockaddr *to, INT32 tolen)
1216 {
1217 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
1218 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1219
1220 TRACE(winsock, "(%08x): socket %04x, ptr %08x, length %d, flags %d\n",
1221 (unsigned)pwsi, s, (unsigned) buf, len, flags);
1222 if( _check_ws(pwsi, pws) )
1223 {
1224 INT32 length;
1225
1226 if ((length = sendto(pws->fd, buf, len, flags, to, tolen)) < 0 )
1227 {
1228 pwsi->err = wsaErrno();
1229 if( pwsi->err == WSAEWOULDBLOCK &&
1230 pws->psop && pws->flags & WS_FD_WRITE )
1231 EVENT_AddIO( pws->fd, EVENT_IO_WRITE ); /* reenabler */
1232 }
1233 else return length;
1234 }
1235 else if( pwsi ) pwsi->err = WSAENOTSOCK;
1236 return SOCKET_ERROR;
1237 }
1238
1239 /***********************************************************************
1240 * sendto() (WINSOCK.20)
1241 */
1242 INT16 WINAPI WINSOCK_sendto16(SOCKET16 s, char *buf, INT16 len, INT16 flags,
1243 struct sockaddr *to, INT16 tolen)
1244 {
1245 return (INT16)WINSOCK_sendto32( s, buf, len, flags, to, tolen );
1246 }
1247
1248 /***********************************************************************
1249 * setsockopt() (WSOCK32.21)
1250 */
1251 INT32 WINAPI WINSOCK_setsockopt32(SOCKET16 s, INT32 level, INT32 optname,
1252 char *optval, INT32 optlen)
1253 {
1254 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
1255 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1256
1257 TRACE(winsock, "(%08x): socket %04x, lev %d, opt %d, ptr %08x, len %d\n",
1258 (unsigned)pwsi, s, level, optname, (int) optval, optlen);
1259 if( _check_ws(pwsi, pws) )
1260 {
1261 struct linger linger;
1262
1263 convert_sockopt(&level, &optname);
1264 if (optname == SO_LINGER) {
1265 /* yes, uses unsigned short in both win16/win32 */
1266 linger.l_onoff = ((UINT16*)optval)[0];
1267 linger.l_linger = ((UINT16*)optval)[1];
1268 optval = (char*)&linger;
1269 optlen = sizeof(struct linger);
1270 }
1271 if (setsockopt(pws->fd, level, optname, optval, optlen) == 0) return 0;
1272 pwsi->err = wsaErrno();
1273 }
1274 else if( pwsi ) pwsi->err = WSAENOTSOCK;
1275 return SOCKET_ERROR;
1276 }
1277
1278 /***********************************************************************
1279 * setsockopt() (WINSOCK.21)
1280 */
1281 INT16 WINAPI WINSOCK_setsockopt16(SOCKET16 s, INT16 level, INT16 optname,
1282 char *optval, INT16 optlen)
1283 {
1284 if( !optval ) return SOCKET_ERROR;
1285 return (INT16)WINSOCK_setsockopt32( s, (UINT16)level, optname, optval, optlen );
1286 }
1287
1288
1289 /***********************************************************************
1290 * shutdown() (WSOCK32.22)
1291 */
1292 INT32 WINAPI WINSOCK_shutdown32(SOCKET32 s, INT32 how)
1293 {
1294 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
1295 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1296
1297 TRACE(winsock, "(%08x): socket %04x, how %i\n",
1298 (unsigned)pwsi, s, how );
1299 if( _check_ws(pwsi, pws) )
1300 {
1301 if( pws->psop )
1302 switch( how )
1303 {
1304 case 0: /* drop receives */
1305 if( pws->flags & (WS_FD_READ | WS_FD_CLOSE) )
1306 EVENT_DeleteIO( pws->fd, EVENT_IO_READ );
1307 pws->flags &= ~(WS_FD_READ | WS_FD_CLOSE);
1308 #ifdef SHUT_RD
1309 how = SHUT_RD;
1310 #endif
1311 break;
1312
1313 case 1: /* drop sends */
1314 if( pws->flags & WS_FD_WRITE )
1315 EVENT_DeleteIO( pws->fd, EVENT_IO_WRITE );
1316 pws->flags &= ~WS_FD_WRITE;
1317 #ifdef SHUT_WR
1318 how = SHUT_WR;
1319 #endif
1320 break;
1321
1322 case 2: /* drop all */
1323 #ifdef SHUT_RDWR
1324 how = SHUT_RDWR;
1325 #endif
1326 default:
1327 WSAAsyncSelect32( s, 0, 0, 0 );
1328 break;
1329 }
1330
1331 if (shutdown(pws->fd, how) == 0)
1332 {
1333 if( how > 1 )
1334 {
1335 pws->flags &= ~(WS_FD_CONNECTED | WS_FD_LISTENING);
1336 pws->flags |= WS_FD_INACTIVE;
1337 }
1338 return 0;
1339 }
1340 pwsi->err = wsaErrno();
1341 }
1342 else if( pwsi ) pwsi->err = WSAENOTSOCK;
1343 return SOCKET_ERROR;
1344 }
1345
1346 /***********************************************************************
1347 * shutdown() (WINSOCK.22)
1348 */
1349 INT16 WINAPI WINSOCK_shutdown16(SOCKET16 s, INT16 how)
1350 {
1351 return (INT16)WINSOCK_shutdown32( s, how );
1352 }
1353
1354
1355 /***********************************************************************
1356 * socket() (WSOCK32.23)
1357 */
1358 SOCKET32 WINAPI WINSOCK_socket32(INT32 af, INT32 type, INT32 protocol)
1359 {
1360 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1361
1362 TRACE(winsock, "(%08x): af=%d type=%d protocol=%d\n",
1363 (unsigned)pwsi, af, type, protocol);
1364
1365 if( pwsi )
1366 {
1367 int sock;
1368
1369 /* check the socket family */
1370 switch(af)
1371 {
1372 case AF_INET:
1373 case AF_UNSPEC: break;
1374 default: pwsi->err = WSAEAFNOSUPPORT;
1375 return INVALID_SOCKET32;
1376 }
1377
1378 /* check the socket type */
1379 switch(type)
1380 {
1381 case SOCK_STREAM:
1382 case SOCK_DGRAM:
1383 case SOCK_RAW: break;
1384 default: pwsi->err = WSAESOCKTNOSUPPORT;
1385 return INVALID_SOCKET32;
1386 }
1387
1388 /* check the protocol type */
1389 if ( protocol < 0 ) /* don't support negative values */
1390 { pwsi->err = WSAEPROTONOSUPPORT; return INVALID_SOCKET32; }
1391
1392 if ( af == AF_UNSPEC) /* did they not specify the address family? */
1393 switch(protocol)
1394 {
1395 case IPPROTO_TCP:
1396 if (type == SOCK_STREAM) { af = AF_INET; break; }
1397 case IPPROTO_UDP:
1398 if (type == SOCK_DGRAM) { af = AF_INET; break; }
1399 default: pwsi->err = WSAEPROTOTYPE; return INVALID_SOCKET32;
1400 }
1401
1402 if ((sock = socket(af, type, protocol)) >= 0)
1403 {
1404 ws_socket* pnew = wsi_alloc_socket(pwsi, sock);
1405
1406 TRACE(winsock,"\tcreated %i (handle %04x)\n", sock, (UINT16)WS_PTR2HANDLE(pnew));
1407
1408 if( pnew )
1409 {
1410 pnew->flags |= WS_FD_INACTIVE;
1411 return (SOCKET16)WS_PTR2HANDLE(pnew);
1412 }
1413
1414 close(sock);
1415 pwsi->err = WSAENOBUFS;
1416 return INVALID_SOCKET32;
1417 }
1418
1419 if (errno == EPERM) /* raw socket denied */
1420 {
1421 WARN(winsock, "WS_SOCKET: not enough privileges\n");
1422 pwsi->err = WSAESOCKTNOSUPPORT;
1423 } else pwsi->err = wsaErrno();
1424 }
1425
1426 WARN(winsock, "\t\tfailed!\n");
1427 return INVALID_SOCKET32;
1428 }
1429
1430 /***********************************************************************
1431 * socket() (WINSOCK.23)
1432 */
1433 SOCKET16 WINAPI WINSOCK_socket16(INT16 af, INT16 type, INT16 protocol)
1434 {
1435 return (SOCKET16)WINSOCK_socket32( af, type, protocol );
1436 }
1437
1438
1439 /* ----------------------------------- DNS services
1440 *
1441 * IMPORTANT: 16-bit API structures have SEGPTR pointers inside them.
1442 * Also, we have to use wsock32 stubs to convert structures and
1443 * error codes from Unix to WSA, hence there is no direct mapping in
1444 * the relay32/wsock32.spec.
1445 */
1446
1447 static char* NULL_STRING = "NULL";
1448
1449 /***********************************************************************
1450 * gethostbyaddr() (WINSOCK.51)(WSOCK32.51)
1451 */
1452 static struct WIN_hostent* __ws_gethostbyaddr(const char *addr, int len, int type, int dup_flag)
1453 {
1454 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1455
1456 if( pwsi )
1457 {
1458 struct hostent* host;
1459 if( (host = gethostbyaddr(addr, len, type)) != NULL )
1460 if( WS_dup_he(pwsi, host, dup_flag) )
1461 return (struct WIN_hostent*)(pwsi->he);
1462 else
1463 pwsi->err = WSAENOBUFS;
1464 else
1465 pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1466 }
1467 return NULL;
1468 }
1469
1470 SEGPTR WINAPI WINSOCK_gethostbyaddr16(const char *addr, INT16 len, INT16 type)
1471 {
1472 struct WIN_hostent* retval;
1473 TRACE(winsock, "ptr %08x, len %d, type %d\n",
1474 (unsigned) addr, len, type);
1475 retval = __ws_gethostbyaddr( addr, len, type, WS_DUP_SEGPTR );
1476 return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1477 }
1478
1479 struct WIN_hostent* WINAPI WINSOCK_gethostbyaddr32(const char *addr, INT32 len,
1480 INT32 type)
1481 {
1482 TRACE(winsock, "ptr %08x, len %d, type %d\n",
1483 (unsigned) addr, len, type);
1484 return __ws_gethostbyaddr(addr, len, type, WS_DUP_LINEAR);
1485 }
1486
1487 /***********************************************************************
1488 * gethostbyname() (WINSOCK.52)(WSOCK32.52)
1489 */
1490 static struct WIN_hostent * __ws_gethostbyname(const char *name, int dup_flag)
1491 {
1492 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1493
1494 if( pwsi )
1495 {
1496 struct hostent* host;
1497 if( (host = gethostbyname(name)) != NULL )
1498 if( WS_dup_he(pwsi, host, dup_flag) )
1499 return (struct WIN_hostent*)(pwsi->he);
1500 else pwsi->err = WSAENOBUFS;
1501 else pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1502 }
1503 return NULL;
1504 }
1505
1506 SEGPTR WINAPI WINSOCK_gethostbyname16(const char *name)
1507 {
1508 struct WIN_hostent* retval;
1509 TRACE(winsock, "%s\n", (name)?name:NULL_STRING);
1510 retval = __ws_gethostbyname( name, WS_DUP_SEGPTR );
1511 return (retval)? SEGPTR_GET(retval) : ((SEGPTR)NULL) ;
1512 }
1513
1514 struct WIN_hostent* WINAPI WINSOCK_gethostbyname32(const char* name)
1515 {
1516 TRACE(winsock, "%s\n", (name)?name:NULL_STRING);
1517 return __ws_gethostbyname( name, WS_DUP_LINEAR );
1518 }
1519
1520
1521 /***********************************************************************
1522 * getprotobyname() (WINSOCK.53)(WSOCK32.53)
1523 */
1524 static struct WIN_protoent* __ws_getprotobyname(const char *name, int dup_flag)
1525 {
1526 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1527
1528 if( pwsi )
1529 {
1530 struct protoent* proto;
1531 if( (proto = getprotobyname(name)) != NULL )
1532 if( WS_dup_pe(pwsi, proto, dup_flag) )
1533 return (struct WIN_protoent*)(pwsi->pe);
1534 else pwsi->err = WSAENOBUFS;
1535 else pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1536 }
1537 return NULL;
1538 }
1539
1540 SEGPTR WINAPI WINSOCK_getprotobyname16(const char *name)
1541 {
1542 struct WIN_protoent* retval;
1543 TRACE(winsock, "%s\n", (name)?name:NULL_STRING);
1544 retval = __ws_getprotobyname(name, WS_DUP_SEGPTR);
1545 return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1546 }
1547
1548 struct WIN_protoent* WINAPI WINSOCK_getprotobyname32(const char* name)
1549 {
1550 TRACE(winsock, "%s\n", (name)?name:NULL_STRING);
1551 return __ws_getprotobyname(name, WS_DUP_LINEAR);
1552 }
1553
1554
1555 /***********************************************************************
1556 * getprotobynumber() (WINSOCK.54)(WSOCK32.54)
1557 */
1558 static struct WIN_protoent* __ws_getprotobynumber(int number, int dup_flag)
1559 {
1560 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1561
1562 if( pwsi )
1563 {
1564 struct protoent* proto;
1565 if( (proto = getprotobynumber(number)) != NULL )
1566 if( WS_dup_pe(pwsi, proto, dup_flag) )
1567 return (struct WIN_protoent*)(pwsi->pe);
1568 else pwsi->err = WSAENOBUFS;
1569 else pwsi->err = WSANO_DATA;
1570 }
1571 return NULL;
1572 }
1573
1574 SEGPTR WINAPI WINSOCK_getprotobynumber16(INT16 number)
1575 {
1576 struct WIN_protoent* retval;
1577 TRACE(winsock, "%i\n", number);
1578 retval = __ws_getprotobynumber(number, WS_DUP_SEGPTR);
1579 return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1580 }
1581
1582 struct WIN_protoent* WINAPI WINSOCK_getprotobynumber32(INT32 number)
1583 {
1584 TRACE(winsock, "%i\n", number);
1585 return __ws_getprotobynumber(number, WS_DUP_LINEAR);
1586 }
1587
1588
1589 /***********************************************************************
1590 * getservbyname() (WINSOCK.55)(WSOCK32.55)
1591 */
1592 struct WIN_servent* __ws_getservbyname(const char *name, const char *proto, int dup_flag)
1593 {
1594 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1595
1596 if( pwsi )
1597 {
1598 struct servent* serv;
1599 int i = wsi_strtolo( pwsi, name, proto );
1600
1601 if( i )
1602 if( (serv = getservbyname(pwsi->buffer, pwsi->buffer + i)) != NULL )
1603 if( WS_dup_se(pwsi, serv, dup_flag) )
1604 return (struct WIN_servent*)(pwsi->se);
1605 else pwsi->err = WSAENOBUFS;
1606 else pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1607 else pwsi->err = WSAENOBUFS;
1608 }
1609 return NULL;
1610 }
1611
1612 SEGPTR WINAPI WINSOCK_getservbyname16(const char *name, const char *proto)
1613 {
1614 struct WIN_servent* retval;
1615 TRACE(winsock, "'%s', '%s'\n",
1616 (name)?name:NULL_STRING, (proto)?proto:NULL_STRING);
1617 retval = __ws_getservbyname(name, proto, WS_DUP_SEGPTR);
1618 return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1619 }
1620
1621 struct WIN_servent* WINAPI WINSOCK_getservbyname32(const char *name, const char *proto)
1622 {
1623 TRACE(winsock, "'%s', '%s'\n",
1624 (name)?name:NULL_STRING, (proto)?proto:NULL_STRING);
1625 return __ws_getservbyname(name, proto, WS_DUP_LINEAR);
1626 }
1627
1628
1629 /***********************************************************************
1630 * getservbyport() (WINSOCK.56)(WSOCK32.56)
1631 */
1632 static struct WIN_servent* __ws_getservbyport(int port, const char* proto, int dup_flag)
1633 {
1634 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1635
1636 if( pwsi )
1637 {
1638 struct servent* serv;
1639 int i = wsi_strtolo( pwsi, proto, NULL );
1640
1641 if( i )
1642 if( (serv = getservbyport(port, pwsi->buffer)) != NULL )
1643 if( WS_dup_se(pwsi, serv, dup_flag) )
1644 return (struct WIN_servent*)(pwsi->se);
1645 else pwsi->err = WSAENOBUFS;
1646 else pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1647 else pwsi->err = WSAENOBUFS;
1648 }
1649 return NULL;
1650 }
1651
1652 SEGPTR WINAPI WINSOCK_getservbyport16(INT16 port, const char *proto)
1653 {
1654 struct WIN_servent* retval;
1655 TRACE(winsock, "%i, '%s'\n",
1656 (int)port, (proto)?proto:NULL_STRING);
1657 retval = __ws_getservbyport(port, proto, WS_DUP_SEGPTR);
1658 return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1659 }
1660
1661 struct WIN_servent* WINAPI WINSOCK_getservbyport32(INT32 port, const char *proto)
1662 {
1663 TRACE(winsock, "%i, '%s'\n",
1664 (int)port, (proto)?proto:NULL_STRING);
1665 return __ws_getservbyport(port, proto, WS_DUP_LINEAR);
1666 }
1667
1668
1669 /***********************************************************************
1670 * gethostname() (WSOCK32.57)
1671 */
1672 INT32 WINAPI WINSOCK_gethostname32(char *name, INT32 namelen)
1673 {
1674 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1675
1676 TRACE(winsock, "(%08x): name %s, len %d\n",
1677 (unsigned)pwsi, (name)?name:NULL_STRING, namelen);
1678 if( pwsi )
1679 {
1680 if (gethostname(name, namelen) == 0) return 0;
1681 pwsi->err = (errno == EINVAL) ? WSAEFAULT : wsaErrno();
1682 }
1683 return SOCKET_ERROR;
1684 }
1685
1686 /***********************************************************************
1687 * gethostname() (WINSOCK.57)
1688 */
1689 INT16 WINAPI WINSOCK_gethostname16(char *name, INT16 namelen)
1690 {
1691 return (INT16)WINSOCK_gethostname32(name, namelen);
1692 }
1693
1694
1695 /* ------------------------------------- Windows sockets extensions -- *
1696 * *
1697 * ------------------------------------------------------------------- */
1698
1699
1700 /***********************************************************************
1701 * WSAAsyncGetHostByAddr() (WINSOCK.102)
1702 */
1703 HANDLE16 WINAPI WSAAsyncGetHostByAddr16(HWND16 hWnd, UINT16 uMsg, LPCSTR addr,
1704 INT16 len, INT16 type, SEGPTR sbuf, INT16 buflen)
1705 {
1706 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1707
1708 TRACE(winsock, "(%08x): hwnd %04x, msg %04x, addr %08x[%i]\n",
1709 (unsigned)pwsi, hWnd, uMsg, (unsigned)addr , len );
1710
1711 if( pwsi )
1712 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, type, addr, len,
1713 NULL, (void*)sbuf, buflen, WSMSG_ASYNC_HOSTBYADDR );
1714 return 0;
1715 }
1716
1717 /***********************************************************************
1718 * WSAAsyncGetHostByAddr() (WSOCK32.102)
1719 */
1720 HANDLE32 WINAPI WSAAsyncGetHostByAddr32(HWND32 hWnd, UINT32 uMsg, LPCSTR addr,
1721 INT32 len, INT32 type, LPSTR sbuf, INT32 buflen)
1722 {
1723 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1724
1725 TRACE(winsock, "(%08x): hwnd %04x, msg %08x, addr %08x[%i]\n",
1726 (unsigned)pwsi, (HWND16)hWnd, uMsg, (unsigned)addr , len );
1727
1728 if( pwsi )
1729 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, type, addr, len,
1730 NULL, (void*)sbuf, buflen, WSMSG_ASYNC_HOSTBYADDR | WSMSG_WIN32_AOP);
1731 return 0;
1732 }
1733
1734
1735 /***********************************************************************
1736 * WSAAsyncGetHostByName() (WINSOCK.103)
1737 */
1738 HANDLE16 WINAPI WSAAsyncGetHostByName16(HWND16 hWnd, UINT16 uMsg, LPCSTR name,
1739 SEGPTR sbuf, INT16 buflen)
1740 {
1741 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1742
1743 TRACE(winsock, "(%08x): hwnd %04x, msg %04x, host %s,
1744 buffer %i\n", (unsigned)pwsi, hWnd, uMsg, (name)?name:NULL_STRING, (int)buflen );
1745
1746 if( pwsi )
1747 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, name, 0,
1748 NULL, (void*)sbuf, buflen, WSMSG_ASYNC_HOSTBYNAME );
1749 return 0;
1750 }
1751
1752 /***********************************************************************
1753 * WSAAsyncGetHostByName32() (WSOCK32.103)
1754 */
1755 HANDLE32 WINAPI WSAAsyncGetHostByName32(HWND32 hWnd, UINT32 uMsg, LPCSTR name,
1756 LPSTR sbuf, INT32 buflen)
1757 {
1758 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1759 TRACE(winsock, "(%08x): hwnd %04x, msg %08x, host %s, buffer %i\n",
1760 (unsigned)pwsi, (HWND16)hWnd, uMsg,
1761 (name)?name:NULL_STRING, (int)buflen );
1762 if( pwsi )
1763 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, name, 0,
1764 NULL, (void*)sbuf, buflen, WSMSG_ASYNC_HOSTBYNAME | WSMSG_WIN32_AOP);
1765 return 0;
1766 }
1767
1768
1769 /***********************************************************************
1770 * WSAAsyncGetProtoByName() (WINSOCK.105)
1771 */
1772 HANDLE16 WINAPI WSAAsyncGetProtoByName16(HWND16 hWnd, UINT16 uMsg, LPCSTR name,
1773 SEGPTR sbuf, INT16 buflen)
1774 {
1775 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1776
1777 TRACE(winsock, "(%08x): hwnd %04x, msg %08x, protocol %s\n",
1778 (unsigned)pwsi, (HWND16)hWnd, uMsg, (name)?name:NULL_STRING );
1779
1780 if( pwsi )
1781 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, name, 0,
1782 NULL, (void*)sbuf, buflen, WSMSG_ASYNC_PROTOBYNAME );
1783 return 0;
1784 }
1785
1786 /***********************************************************************
1787 * WSAAsyncGetProtoByName() (WSOCK32.105)
1788 */
1789 HANDLE32 WINAPI WSAAsyncGetProtoByName32(HWND32 hWnd, UINT32 uMsg, LPCSTR name,
1790 LPSTR sbuf, INT32 buflen)
1791 {
1792 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1793
1794 TRACE(winsock, "(%08x): hwnd %04x, msg %08x, protocol %s\n",
1795 (unsigned)pwsi, (HWND16)hWnd, uMsg, (name)?name:NULL_STRING );
1796
1797 if( pwsi )
1798 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, name, 0,
1799 NULL, (void*)sbuf, buflen, WSMSG_ASYNC_PROTOBYNAME | WSMSG_WIN32_AOP);
1800 return 0;
1801 }
1802
1803
1804 /***********************************************************************
1805 * WSAAsyncGetProtoByNumber() (WINSOCK.104)
1806 */
1807 HANDLE16 WINAPI WSAAsyncGetProtoByNumber16(HWND16 hWnd, UINT16 uMsg, INT16 number,
1808 SEGPTR sbuf, INT16 buflen)
1809 {
1810 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1811
1812 TRACE(winsock, "(%08x): hwnd %04x, msg %04x, num %i\n",
1813 (unsigned)pwsi, hWnd, uMsg, number );
1814
1815 if( pwsi )
1816 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, number, NULL, 0,
1817 NULL, (void*)sbuf, buflen, WSMSG_ASYNC_PROTOBYNUM );
1818 return 0;
1819 }
1820
1821 /***********************************************************************
1822 * WSAAsyncGetProtoByNumber() (WSOCK32.104)
1823 */
1824 HANDLE32 WINAPI WSAAsyncGetProtoByNumber32(HWND32 hWnd, UINT32 uMsg, INT32 number,
1825 LPSTR sbuf, INT32 buflen)
1826 {
1827 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1828
1829 TRACE(winsock, "(%08x): hwnd %04x, msg %08x, num %i\n",
1830 (unsigned)pwsi, (HWND16)hWnd, uMsg, number );
1831
1832 if( pwsi )
1833 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, number, NULL, 0,
1834 NULL, (void*)sbuf, buflen, WSMSG_ASYNC_PROTOBYNUM | WSMSG_WIN32_AOP);
1835 return 0;
1836 }
1837
1838
1839 /***********************************************************************
1840 * WSAAsyncGetServByName() (WINSOCK.107)
1841 */
1842 HANDLE16 WINAPI WSAAsyncGetServByName16(HWND16 hWnd, UINT16 uMsg, LPCSTR name,
1843 LPCSTR proto, SEGPTR sbuf, INT16 buflen)
1844 {
1845 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1846
1847 TRACE(winsock, "(%08x): hwnd %04x, msg %04x, name %s, proto %s\n",
1848 (unsigned)pwsi, hWnd, uMsg,
1849 (name)?name:NULL_STRING, (proto)?proto:NULL_STRING );
1850
1851 if( pwsi )
1852 {
1853 int i = wsi_strtolo( pwsi, name, proto );
1854
1855 if( i )
1856 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, pwsi->buffer, 0,
1857 pwsi->buffer + i, (void*)sbuf, buflen, WSMSG_ASYNC_SERVBYNAME );
1858 }
1859 return 0;
1860 }
1861
1862 /***********************************************************************
1863 * WSAAsyncGetServByName() (WSOCK32.107)
1864 */
1865 HANDLE32 WINAPI WSAAsyncGetServByName32(HWND32 hWnd, UINT32 uMsg, LPCSTR name,
1866 LPCSTR proto, LPSTR sbuf, INT32 buflen)
1867 {
1868 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1869
1870 TRACE(winsock, "(%08x): hwnd %04x, msg %08x, name %s, proto %s\n",
1871 (unsigned)pwsi, (HWND16)hWnd, uMsg,
1872 (name)?name:NULL_STRING, (proto)?proto:NULL_STRING );
1873 if( pwsi )
1874 {
1875 int i = wsi_strtolo( pwsi, name, proto );
1876
1877 if( i )
1878 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, pwsi->buffer, 0,
1879 pwsi->buffer + i, (void*)sbuf, buflen, WSMSG_ASYNC_SERVBYNAME | WSMSG_WIN32_AOP);
1880 }
1881 return 0;
1882 }
1883
1884
1885 /***********************************************************************
1886 * WSAAsyncGetServByPort() (WINSOCK.106)
1887 */
1888 HANDLE16 WINAPI WSAAsyncGetServByPort16(HWND16 hWnd, UINT16 uMsg, INT16 port,
1889 LPCSTR proto, SEGPTR sbuf, INT16 buflen)
1890 {
1891 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1892
1893 TRACE(winsock, "(%08x): hwnd %04x, msg %04x, port %i, proto %s\n",
1894 (unsigned)pwsi, hWnd, uMsg, port, (proto)?proto:NULL_STRING );
1895
1896 if( pwsi )
1897 {
1898 int i = wsi_strtolo( pwsi, proto, NULL );
1899
1900 if( i )
1901 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, port, pwsi->buffer, 0,
1902 NULL, (void*)sbuf, buflen, WSMSG_ASYNC_SERVBYPORT );
1903 }
1904 return 0;
1905 }
1906
1907 /***********************************************************************
1908 * WSAAsyncGetServByPort() (WSOCK32.106)
1909 */
1910 HANDLE32 WINAPI WSAAsyncGetServByPort32(HWND32 hWnd, UINT32 uMsg, INT32 port,
1911 LPCSTR proto, LPSTR sbuf, INT32 buflen)
1912 {
1913 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1914
1915 TRACE(winsock, "(%08x): hwnd %04x, msg %08x, port %i, proto %s\n",
1916 (unsigned)pwsi, (HWND16)hWnd, uMsg, port, (proto)?proto:NULL_STRING );
1917
1918 if( pwsi )
1919 {
1920 int i = wsi_strtolo( pwsi, proto, NULL );
1921
1922 if( i )
1923 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, port, pwsi->buffer, 0,
1924 NULL, (void*)sbuf, buflen, WSMSG_ASYNC_SERVBYPORT | WSMSG_WIN32_AOP);
1925 }
1926 return 0;
1927 }
1928
1929
1930 /***********************************************************************
1931 * WSACancelAsyncRequest() (WINSOCK.108)(WSOCK32.109)
1932 */
1933 INT32 WINAPI WSACancelAsyncRequest32(HANDLE32 hAsyncTaskHandle)
1934 {
1935 INT32 retVal = SOCKET_ERROR;
1936 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1937 ws_async_op* p_aop = (ws_async_op*)WS_HANDLE2PTR(hAsyncTaskHandle);
1938
1939 TRACE(winsock, "(%08x): handle %08x\n",
1940 (unsigned)pwsi, hAsyncTaskHandle);
1941 if( pwsi )
1942 {
1943 SIGNAL_MaskAsyncEvents( TRUE ); /* block SIGIO */
1944 if( WINSOCK_cancel_async_op(p_aop) )
1945 {
1946 WS_FREE(p_aop);
1947 pwsi->num_async_rq--;
1948 retVal = 0;
1949 }
1950 else pwsi->err = WSAEINVAL;
1951 SIGNAL_MaskAsyncEvents( FALSE );
1952 }
1953 return retVal;
1954 }
1955
1956 INT16 WINAPI WSACancelAsyncRequest16(HANDLE16 hAsyncTaskHandle)
1957 {
1958 return (HANDLE16)WSACancelAsyncRequest32((HANDLE32)hAsyncTaskHandle);
1959 }
1960
1961 /***********************************************************************
1962 * WSAAsyncSelect() (WINSOCK.101)(WSOCK32.101)
1963 */
1964
1965 static ws_select_op* __ws_select_list = NULL;
1966
1967 BOOL32 WINSOCK_HandleIO( int* max_fd, int num_pending,
1968 fd_set pending_set[3], fd_set event_set[3] )
1969 {
1970 /* This function is called by the event dispatcher
1971 * with the pending_set[] containing the result of select() and
1972 * the event_set[] containing all fd that are being watched */
1973
1974 ws_select_op* psop = __ws_select_list;
1975 BOOL32 bPost = FALSE;
1976 DWORD dwEvent, dwErrBytes;
1977 int num_posted;
1978
1979 TRACE(winsock,"%i pending descriptors\n", num_pending );
1980
1981 for( num_posted = dwEvent = 0 ; psop; psop = psop->next )
1982 {
1983 unsigned flags = psop->pws->flags;
1984 int fd = psop->pws->fd;
1985 int r, w, e;
1986
1987 w = 0;
1988 if( (r = FD_ISSET( fd, &pending_set[EVENT_IO_READ] )) ||
1989 (w = FD_ISSET( fd, &pending_set[EVENT_IO_WRITE] )) ||
1990 (e = FD_ISSET( fd, &pending_set[EVENT_IO_EXCEPT] )) )
1991 {
1992 /* This code removes WS_FD flags on one-shot events (WS_FD_CLOSE,
1993 * WS_FD_CONNECT), otherwise it clears descriptors in the io_set.
1994 * Reenabling calls turn them back on.
1995 */
1996
1997 TRACE(winsock,"\tchecking psop = 0x%08x\n", (unsigned) psop );
1998
1999 num_pending--;
2000
2001 /* Now figure out what kind of event we've got. The worst problem
2002 * we have to contend with is that some out of control applications
2003 * really want to use mutually exclusive AsyncSelect() flags all at
2004 * the same time.
2005 */
2006
2007 if((flags & WS_FD_ACCEPT) && (flags & WS_FD_LISTENING))
2008 {
2009 /* WS_FD_ACCEPT is valid only if the socket is in the
2010 * listening state */
2011
2012 FD_CLR( fd, &event_set[EVENT_IO_WRITE] );
2013 if( r )
2014 {
2015 FD_CLR( fd, &event_set[EVENT_IO_READ] ); /* reenabled by the next accept() */
2016 dwEvent = WSAMAKESELECTREPLY( WS_FD_ACCEPT, 0 );
2017 bPost = TRUE;
2018 }
2019 else continue;
2020 }
2021 else if( flags & WS_FD_CONNECT )
2022 {
2023 /* connecting socket */
2024
2025 if( w || (w = FD_ISSET( fd, &pending_set[EVENT_IO_WRITE] )) )
2026 {
2027 /* ready to write means that socket is connected
2028 *
2029 * FIXME: Netscape calls AsyncSelect( s, ... WS_FD_CONNECT .. )
2030 * right after s = socket() and somehow "s" becomes writeable
2031 * before it goes through connect()!?!?
2032 */
2033
2034 psop->pws->flags |= WS_FD_CONNECTED;
2035 psop->pws->flags &= ~(WS_FD_CONNECT | WS_FD_INACTIVE);
2036 dwEvent = WSAMAKESELECTREPLY( WS_FD_CONNECT, 0 );
2037
2038 if( flags & (WS_FD_READ | WS_FD_CLOSE))
2039 FD_SET( fd, &event_set[EVENT_IO_READ] );
2040 else
2041 FD_CLR( fd, &event_set[EVENT_IO_READ] );
2042 if( flags & WS_FD_WRITE )
2043 FD_SET( fd, &event_set[EVENT_IO_WRITE] );
2044 else
2045 FD_CLR( fd, &event_set[EVENT_IO_WRITE] );
2046 bPost = TRUE;
2047 }
2048 else if( r )
2049 {
2050 /* failure - do read() to get correct errno */
2051
2052 if( read( fd, &dwErrBytes, sizeof(dwErrBytes) ) == -1 )
2053 {
2054 dwEvent = WSAMAKESELECTREPLY( WS_FD_CONNECT, wsaErrno() );
2055 bPost = TRUE;
2056 }
2057 }
2058 /* otherwise bPost stays FALSE, should probably clear event_set */
2059 }
2060 else
2061 {
2062 /* connected socket, no WS_FD_OOB code for now. */
2063
2064 if( flags & WS_FD_WRITE &&
2065 (w || (w = FD_ISSET( fd, &pending_set[EVENT_IO_WRITE] ))) )
2066 {
2067 /* this will be reenabled when send() or sendto() fail with
2068 * WSAEWOULDBLOCK */
2069
2070 if( PostMessage32A( psop->hWnd, psop->uMsg, (WPARAM32)WS_PTR2HANDLE(psop->pws),
2071 (LPARAM)WSAMAKESELECTREPLY( WS_FD_WRITE, 0 ) ) )
2072 {
2073 TRACE(winsock, "\t hwnd %04x - %04x, %08x\n",
2074 psop->hWnd, psop->uMsg, (unsigned)MAKELONG(WS_FD_WRITE, 0) );
2075 FD_CLR( fd, &event_set[EVENT_IO_WRITE] );
2076 num_posted++;
2077 }
2078 }
2079
2080 if( r && (flags & (WS_FD_READ | WS_FD_CLOSE)) )
2081 {
2082 int val = (flags & WS_FD_RAW);
2083
2084 /* WS_FD_RAW is set by the WSAAsyncSelect() init */
2085
2086 bPost = TRUE;
2087 if( !val && ioctl( fd, FIONREAD, (char*)&dwErrBytes) == -1 )
2088 {
2089 /* weirdness */
2090
2091 dwEvent = WSAMAKESELECTREPLY( WS_FD_READ, wsaErrno() );
2092 }
2093 else if( val || dwErrBytes )
2094 {
2095 /* got pending data, will be reenabled by recv() or recvfrom() */
2096
2097 FD_CLR( fd, &event_set[EVENT_IO_READ] );
2098 dwEvent = WSAMAKESELECTREPLY( WS_FD_READ, 0 );
2099 }
2100 else
2101 {
2102 /* 0 bytes to read - connection reset by peer? */
2103
2104 do
2105 val = read( fd, (char*)&dwErrBytes, sizeof(dwErrBytes));
2106 while( errno == EINTR );
2107 if( errno != EWOULDBLOCK )
2108 {
2109 switch( val )
2110 {
2111 case 0: errno = ENETDOWN; /* soft reset, fall through */
2112 case -1: /* hard reset */
2113 dwEvent = WSAMAKESELECTREPLY( WS_FD_CLOSE, wsaErrno() );
2114 break;
2115
2116 default: bPost = FALSE;
2117 continue; /* FIXME: this is real bad */
2118 }
2119 }
2120 else { bPost = FALSE; continue; } /* more weirdness */
2121
2122 /* this is it, this socket is closed */
2123
2124 psop->pws->flags &= ~(WS_FD_READ | WS_FD_CLOSE | WS_FD_WRITE);
2125 FD_CLR( fd, &event_set[EVENT_IO_READ] );
2126 FD_CLR( fd, &event_set[EVENT_IO_WRITE] );
2127
2128 if( *max_fd == (fd + 1) ) (*max_fd)--;
2129 }
2130 }
2131 }
2132
2133 if( bPost )
2134 {
2135 TRACE(winsock, "\t hwnd %04x - %04x, %08x\n",
2136 psop->hWnd, psop->uMsg, (unsigned)dwEvent );
2137 PostMessage32A( psop->hWnd, psop->uMsg,
2138 (WPARAM32)WS_PTR2HANDLE(psop->pws), (LPARAM)dwEvent );
2139 bPost = FALSE;
2140 num_posted++;
2141 }
2142 }
2143 if( num_pending <= 0 ) break;
2144 }
2145
2146 TRACE(winsock, "\tdone, %i posted events\n", num_posted );
2147 return ( num_posted ) ? TRUE : FALSE;
2148 }
2149
2150 INT32 WINAPI WSAAsyncSelect32(SOCKET32 s, HWND32 hWnd, UINT32 uMsg, UINT32 lEvent)
2151 {
2152 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
2153 LPWSINFO pwsi = wsi_find(GetCurrentTask());
2154
2155 TRACE(winsock, "(%08x): %04x, hWnd %04x, uMsg %08x, event %08x\n",
2156 (unsigned)pwsi, (SOCKET16)s, (HWND16)hWnd, uMsg, (unsigned)lEvent );
2157 if( _check_ws(pwsi, pws) )
2158 {
2159 ws_select_op* psop;
2160
2161 if( (psop = pws->psop) )
2162 {
2163 /* delete previous control struct */
2164
2165 if( psop == __ws_select_list )
2166 __ws_select_list = psop->next;
2167 else
2168 psop->prev->next = psop->next;
2169 if( psop->next ) psop->next->prev = psop->prev;
2170
2171 if( pws->flags & (WS_FD_ACCEPT | WS_FD_CONNECT | WS_FD_READ | WS_FD_CLOSE) )
2172 EVENT_DeleteIO( pws->fd, EVENT_IO_READ );
2173 if( pws->flags & (WS_FD_CONNECT | WS_FD_WRITE) )
2174 EVENT_DeleteIO( pws->fd, EVENT_IO_WRITE );
2175
2176 TRACE(winsock,"\tremoving psop = 0x%08x\n", (unsigned) psop );
2177
2178 WS_FREE( pws->psop );
2179 pws->flags &= ~(WS_FD_RAW | WS_FD_ACCEPT | WS_FD_CONNECT |
2180 WS_FD_READ | WS_FD_WRITE | WS_FD_CLOSE);
2181 pws->psop = NULL;
2182 }
2183
2184 if( lEvent )
2185 {
2186 psop = (ws_select_op*)WS_ALLOC(sizeof(ws_select_op));
2187 if( psop )
2188 {
2189 int sock_type, bytes = sizeof(int);
2190
2191 WINSOCK_unblock_io( pws->fd, TRUE );
2192
2193 psop->prev = NULL;
2194 psop->next = __ws_select_list;
2195 if( __ws_select_list )
2196 __ws_select_list->prev = psop;
2197 __ws_select_list = psop;
2198
2199 psop->pws = pws;
2200 psop->hWnd = hWnd;
2201 psop->uMsg = uMsg;
2202
2203 pws->psop = psop;
2204 pws->flags |= (0x0000FFFF & lEvent);
2205 getsockopt(pws->fd, SOL_SOCKET, SO_TYPE, &sock_type, &bytes);
2206 if( sock_type == SOCK_RAW ) pws->flags |= WS_FD_RAW;
2207
2208 if( lEvent & (WS_FD_ACCEPT | WS_FD_CONNECT | WS_FD_READ | WS_FD_CLOSE) )
2209 EVENT_AddIO( pws->fd, EVENT_IO_READ );
2210 if( lEvent & (WS_FD_CONNECT | WS_FD_WRITE) )
2211 EVENT_AddIO( pws->fd, EVENT_IO_WRITE );
2212
2213 /* TODO: handle WS_FD_ACCEPT right away if the socket is readable */
2214
2215 TRACE(winsock,"\tcreating psop = 0x%08x\n", (unsigned)psop );
2216
2217 return 0; /* success */
2218 }
2219 else pwsi->err = WSAENOBUFS;
2220 }
2221 else return 0;
2222 }
2223 else if( pwsi ) pwsi->err = WSAEINVAL;
2224 return SOCKET_ERROR;
2225 }
2226
2227 INT16 WINAPI WSAAsyncSelect16(SOCKET16 s, HWND16 hWnd, UINT16 wMsg, UINT32 lEvent)
2228 {
2229 return (INT16)WSAAsyncSelect32( s, hWnd, wMsg, lEvent );
2230 }
2231
2232
2233 /***********************************************************************
2234 * __WSAFDIsSet() (WINSOCK.151)
2235 */
2236 INT16 WINAPI __WSAFDIsSet16(SOCKET16 s, ws_fd_set16 *set)
2237 {
2238 int i = set->fd_count;
2239
2240 TRACE(winsock, "(%d,%8lx(%i))\n", s,(unsigned long)set, i);
2241
2242 while (i--)
2243 if (set->fd_array[i] == s) return 1;
2244 return 0;
2245 }
2246
2247 /***********************************************************************
2248 * __WSAFDIsSet() (WSOCK32.151)
2249 */
2250 INT32 WINAPI __WSAFDIsSet32(SOCKET32 s, ws_fd_set32 *set)
2251 {
2252 int i = set->fd_count;
2253
2254 TRACE(winsock, "(%d,%8lx(%i))\n", s,(unsigned long)set, i);
2255
2256 while (i--)
2257 if (set->fd_array[i] == s) return 1;
2258 return 0;
2259 }
2260
2261 /***********************************************************************
2262 * WSAIsBlocking() (WINSOCK.114)(WSOCK32.114)
2263 */
2264 BOOL32 WINAPI WSAIsBlocking(void)
2265 {
2266 /* By default WinSock should set all its sockets to non-blocking mode
2267 * and poll in PeekMessage loop when processing "blocking" ones. This
2268 * function is supposed to tell if the program is in this loop. Our
2269 * blocking calls are truly blocking so we always return FALSE.
2270 *
2271 * Note: It is allowed to call this function without prior WSAStartup().
2272 */
2273
2274 TRACE(winsock, "\n");
2275 return FALSE;
2276 }
2277
2278 /***********************************************************************
2279 * WSACancelBlockingCall() (WINSOCK.113)(WSOCK32.113)
2280 */
2281 INT32 WINAPI WSACancelBlockingCall(void)
2282 {
2283 LPWSINFO pwsi = wsi_find(GetCurrentTask());
2284
2285 TRACE(winsock, "(%08x)\n", (unsigned)pwsi);
2286
2287 if( pwsi ) return 0;
2288 return SOCKET_ERROR;
2289 }
2290
2291
2292 /***********************************************************************
2293 * WSASetBlockingHook16() (WINSOCK.109)
2294 */
2295 FARPROC16 WINAPI WSASetBlockingHook16(FARPROC16 lpBlockFunc)
2296 {
2297 FARPROC16 prev;
2298 LPWSINFO pwsi = wsi_find(GetCurrentTask());
2299
2300 TRACE(winsock, "(%08x): hook %08x\n",
2301 (unsigned)pwsi, (unsigned) lpBlockFunc);
2302 if( pwsi )
2303 {
2304 prev = (FARPROC16)pwsi->blocking_hook;
2305 pwsi->blocking_hook = (DWORD)lpBlockFunc;
2306 pwsi->flags &= ~WSI_BLOCKINGHOOK32;
2307 return prev;
2308 }
2309 return 0;
2310 }
2311
2312
2313 /***********************************************************************
2314 * WSASetBlockingHook32()
2315 */
2316 FARPROC32 WINAPI WSASetBlockingHook32(FARPROC32 lpBlockFunc)
2317 {
2318 FARPROC32 prev;
2319 LPWSINFO pwsi = wsi_find(GetCurrentTask());
2320
2321 TRACE(winsock, "(%08x): hook %08x\n",
2322 (unsigned)pwsi, (unsigned) lpBlockFunc);
2323 if( pwsi ) {
2324 prev = (FARPROC32)pwsi->blocking_hook;
2325 pwsi->blocking_hook = (DWORD)lpBlockFunc;
2326 pwsi->flags |= WSI_BLOCKINGHOOK32;
2327 return prev;
2328 }
2329 return NULL;
2330 }
2331
2332
2333 /***********************************************************************
2334 * WSAUnhookBlockingHook16() (WINSOCK.110)
2335 */
2336 INT16 WINAPI WSAUnhookBlockingHook16(void)
2337 {
2338 LPWSINFO pwsi = wsi_find(GetCurrentTask());
2339
2340 TRACE(winsock, "(%08x)\n", (unsigned)pwsi);
2341 if( pwsi ) return (INT16)(pwsi->blocking_hook = 0);
2342 return SOCKET_ERROR;
2343 }
2344
2345
2346 /***********************************************************************
2347 * WSAUnhookBlockingHook32()
2348 */
2349 INT32 WINAPI WSAUnhookBlockingHook32(void)
2350 {
2351 LPWSINFO pwsi = wsi_find(GetCurrentTask());
2352
2353 TRACE(winsock, "(%08x)\n", (unsigned)pwsi);
2354 if( pwsi )
2355 {
2356 pwsi->blocking_hook = 0;
2357 pwsi->flags &= ~WSI_BLOCKINGHOOK32;
2358 return 0;
2359 }
2360 return SOCKET_ERROR;
2361 }
2362
2363 /*
2364 * TCP/IP action codes.
2365 */
2366
2367
2368 #define WSCNTL_TCPIP_QUERY_INFO 0x00000000
2369 #define WSCNTL_TCPIP_SET_INFO 0x00000001
2370 #define WSCNTL_TCPIP_ICMP_ECHO 0x00000002
2371 #define WSCNTL_TCPIP_TEST 0x00000003
2372
2373
2374 /***********************************************************************
2375 * WsControl()
2376 *
2377 * WsControl seems to be an undocumented Win95 function. A lot of
2378 * discussion about WsControl can be found on the net, e.g.
2379 * Subject: Re: WSOCK32.DLL WsControl Exported Function
2380 * From: "Peter Rindfuss" <rindfuss-s@medea.wz-berlin.de>
2381 * Date: 1997/08/17
2382 */
2383
2384 DWORD WINAPI WsControl(DWORD protocoll,DWORD action,
2385 LPVOID inbuf,LPDWORD inbuflen,
2386 LPVOID outbuf,LPDWORD outbuflen)
2387 {
2388
2389 switch (action) {
2390 case WSCNTL_TCPIP_ICMP_ECHO:
2391 {
2392 unsigned int addr = *(unsigned int*)inbuf;
2393 #if 0
2394 int timeout= *(unsigned int*)(inbuf+4);
2395 short x1 = *(unsigned short*)(inbuf+8);
2396 short sendbufsize = *(unsigned short*)(inbuf+10);
2397 char x2 = *(unsigned char*)(inbuf+12);
2398 char ttl = *(unsigned char*)(inbuf+13);
2399 char service = *(unsigned char*)(inbuf+14);
2400 char type= *(unsigned char*)(inbuf+15); /* 0x2: don't fragment*/
2401 #endif
2402
2403 FIXME(winsock,"(ICMP_ECHO) to 0x%08x stub \n", addr);
2404 break;
2405 }
2406 default:
2407 FIXME(winsock,"(%lx,%lx,%p,%p,%p,%p) stub\n",
2408 protocoll,action,inbuf,inbuflen,outbuf,outbuflen);
2409 }
2410 return FALSE;
2411 }
2412 /*********************************************************
2413 * WS_s_perror WSOCK32.1108
2414 */
2415 void WINAPI WS_s_perror(LPCSTR message)
2416 {
2417 FIXME(winsock,"(%s): stub\n",message);
2418 return;
2419 }
2420
2421
2422 /* ----------------------------------- end of API stuff */
2423
2424 /* ----------------------------------- helper functions -
2425 *
2426 * TODO: Merge WS_dup_..() stuff into one function that
2427 * would operate with a generic structure containing internal
2428 * pointers (via a template of some kind).
2429 */
2430
2431 static int list_size(char** l, int item_size)
2432 {
2433 int i,j = 0;
2434 if(l)
2435 { for(i=0;l[i];i++)
2436 j += (item_size) ? item_size : strlen(l[i]) + 1;
2437 j += (i + 1) * sizeof(char*); }
2438 return j;
2439 }
2440
2441 static int list_dup(char** l_src, char* ref, char* base, int item_size)
2442 {
2443 /* base is either either equal to ref or 0 or SEGPTR */
2444
2445 char* p = ref;
2446 char** l_to = (char**)ref;
2447 int i,j,k;
2448
2449 for(j=0;l_src[j];j++) ;
2450 p += (j + 1) * sizeof(char*);
2451 for(i=0;i<j;i++)
2452 { l_to[i] = base + (p - ref);
2453 k = ( item_size ) ? item_size : strlen(l_src[i]) + 1;
2454 memcpy(p, l_src[i], k); p += k; }
2455 l_to[i] = NULL;
2456 return (p - ref);
2457 }
2458
2459 /* ----- hostent */
2460
2461 static int hostent_size(struct hostent* p_he)
2462 {
2463 int size = 0;
2464 if( p_he )
2465 { size = sizeof(struct hostent);
2466 size += strlen(p_he->h_name) + 1;
2467 size += list_size(p_he->h_aliases, 0);
2468 size += list_size(p_he->h_addr_list, p_he->h_length ); }
2469 return size;
2470 }
2471
2472 int WS_dup_he(LPWSINFO pwsi, struct hostent* p_he, int flag)
2473 {
2474 /* Convert hostent structure into ws_hostent so that the data fits
2475 * into pwsi->buffer. Internal pointers can be linear, SEGPTR, or
2476 * relative to pwsi->buffer depending on "flag" value. Returns size
2477 * of the data copied (also in the pwsi->buflen).
2478 */
2479
2480 int size = hostent_size(p_he);
2481
2482 if( size )
2483 {
2484 struct ws_hostent* p_to;
2485 char* p_name,*p_aliases,*p_addr,*p_base,*p;
2486
2487 _check_buffer_he(pwsi, size);
2488 p_to = (struct ws_hostent*)pwsi->he;
2489 p = (char*)pwsi->he;
2490 p_base = (flag & WS_DUP_OFFSET) ? NULL
2491 : ((flag & WS_DUP_SEGPTR) ? (char*)SEGPTR_GET(p) : p);
2492 p += sizeof(struct ws_hostent);
2493 p_name = p;
2494 strcpy(p, p_he->h_name); p += strlen(p) + 1;
2495 p_aliases = p;
2496 p += list_dup(p_he->h_aliases, p, p_base + (p - (char*)pwsi->he), 0);
2497 p_addr = p;
2498 list_dup(p_he->h_addr_list, p, p_base + (p - (char*)pwsi->he), p_he->h_length);
2499
2500 p_to->h_addrtype = (INT16)p_he->h_addrtype;
2501 p_to->h_length = (INT16)p_he->h_length;
2502 p_to->h_name = (SEGPTR)(p_base + (p_name - (char*)pwsi->he));
2503 p_to->h_aliases = (SEGPTR)(p_base + (p_aliases - (char*)pwsi->he));
2504 p_to->h_addr_list = (SEGPTR)(p_base + (p_addr - (char*)pwsi->he));
2505
2506 size += (sizeof(struct ws_hostent) - sizeof(struct hostent));
2507 }
2508 return size;
2509 }
2510
2511 /* ----- protoent */
2512
2513 static int protoent_size(struct protoent* p_pe)
2514 {
2515 int size = 0;
2516 if( p_pe )
2517 { size = sizeof(struct protoent);
2518 size += strlen(p_pe->p_name) + 1;
2519 size += list_size(p_pe->p_aliases, 0); }
2520 return size;
2521 }
2522
2523 int WS_dup_pe(LPWSINFO pwsi, struct protoent* p_pe, int flag)
2524 {
2525 int size = protoent_size(p_pe);
2526 if( size )
2527 {
2528 struct ws_protoent* p_to;
2529 char* p_name,*p_aliases,*p_base,*p;
2530
2531 _check_buffer_pe(pwsi, size);
2532 p_to = (struct ws_protoent*)pwsi->pe;
2533 p = (char*)pwsi->pe;
2534 p_base = (flag & WS_DUP_OFFSET) ? NULL
2535 : ((flag & WS_DUP_SEGPTR) ? (char*)SEGPTR_GET(p) : p);
2536 p += sizeof(struct ws_protoent);
2537 p_name = p;
2538 strcpy(p, p_pe->p_name); p += strlen(p) + 1;
2539 p_aliases = p;
2540 list_dup(p_pe->p_aliases, p, p_base + (p - (char*)pwsi->pe), 0);
2541
2542 p_to->p_proto = (INT16)p_pe->p_proto;
2543 p_to->p_name = (SEGPTR)(p_base) + (p_name - (char*)pwsi->pe);
2544 p_to->p_aliases = (SEGPTR)((p_base) + (p_aliases - (char*)pwsi->pe));
2545
2546 size += (sizeof(struct ws_protoent) - sizeof(struct protoent));
2547 }
2548 return size;
2549 }
2550
2551 /* ----- servent */
2552
2553 static int servent_size(struct servent* p_se)
2554 {
2555 int size = 0;
2556 if( p_se )
2557 { size += sizeof(struct servent);
2558 size += strlen(p_se->s_proto) + strlen(p_se->s_name) + 2;
2559 size += list_size(p_se->s_aliases, 0); }
2560 return size;
2561 }
2562
2563 int WS_dup_se(LPWSINFO pwsi, struct servent* p_se, int flag)
2564 {
2565 int size = servent_size(p_se);
2566 if( size )
2567 {
2568 struct ws_servent* p_to;
2569 char* p_name,*p_aliases,*p_proto,*p_base,*p;
2570
2571 _check_buffer_se(pwsi, size);
2572 p_to = (struct ws_servent*)pwsi->se;
2573 p = (char*)pwsi->se;
2574 p_base = (flag & WS_DUP_OFFSET) ? NULL
2575 : ((flag & WS_DUP_SEGPTR) ? (char*)SEGPTR_GET(p) : p);
2576 p += sizeof(struct ws_servent);
2577 p_name = p;
2578 strcpy(p, p_se->s_name); p += strlen(p) + 1;
2579 p_proto = p;
2580 strcpy(p, p_se->s_proto); p += strlen(p) + 1;
2581 p_aliases = p;
2582 list_dup(p_se->s_aliases, p, p_base + (p - (char*)pwsi->se), 0);
2583
2584 p_to->s_port = (INT16)p_se->s_port;
2585 p_to->s_name = (SEGPTR)(p_base + (p_name - (char*)pwsi->se));
2586 p_to->s_proto = (SEGPTR)(p_base + (p_proto - (char*)pwsi->se));
2587 p_to->s_aliases = (SEGPTR)(p_base + (p_aliases - (char*)pwsi->se));
2588
2589 size += (sizeof(struct ws_servent) - sizeof(struct servent));
2590 }
2591 return size;
2592 }
2593
2594 /* ----------------------------------- error handling */
2595
2596 UINT16 wsaErrno(void)
2597 {
2598 int loc_errno = errno;
2599 #ifdef HAVE_STRERROR
2600 WARN(winsock, "errno %d, (%s).\n", loc_errno, strerror(loc_errno));
2601 #else
2602 WARN(winsock, "errno %d\n", loc_errno);
2603 #endif
2604
2605 switch(loc_errno)
2606 {
2607 case EINTR: return WSAEINTR;
2608 case EBADF: return WSAEBADF;
2609 case EACCES: return WSAEACCES;
2610 case EFAULT: return WSAEFAULT;
2611 case EINVAL: return WSAEINVAL;
2612 case EMFILE: return WSAEMFILE;
2613 case EWOULDBLOCK: return WSAEWOULDBLOCK;
2614 case EINPROGRESS: return WSAEINPROGRESS;
2615 case EALREADY: return WSAEALREADY;
2616 case ENOTSOCK: return WSAENOTSOCK;
2617 case EDESTADDRREQ: return WSAEDESTADDRREQ;
2618 case EMSGSIZE: return WSAEMSGSIZE;
2619 case EPROTOTYPE: return WSAEPROTOTYPE;
2620 case ENOPROTOOPT: return WSAENOPROTOOPT;
2621 case EPROTONOSUPPORT: return WSAEPROTONOSUPPORT;
2622 case ESOCKTNOSUPPORT: return WSAESOCKTNOSUPPORT;
2623 case EOPNOTSUPP: return WSAEOPNOTSUPP;
2624 case EPFNOSUPPORT: return WSAEPFNOSUPPORT;
2625 case EAFNOSUPPORT: return WSAEAFNOSUPPORT;
2626 case EADDRINUSE: return WSAEADDRINUSE;
2627 case EADDRNOTAVAIL: return WSAEADDRNOTAVAIL;
2628 case ENETDOWN: return WSAENETDOWN;
2629 case ENETUNREACH: return WSAENETUNREACH;
2630 case ENETRESET: return WSAENETRESET;
2631 case ECONNABORTED: return WSAECONNABORTED;
2632 case EPIPE:
2633 case ECONNRESET: return WSAECONNRESET;
2634 case ENOBUFS: return WSAENOBUFS;
2635 case EISCONN: return WSAEISCONN;
2636 case ENOTCONN: return WSAENOTCONN;
2637 case ESHUTDOWN: return WSAESHUTDOWN;
2638 case ETOOMANYREFS: return WSAETOOMANYREFS;
2639 case ETIMEDOUT: return WSAETIMEDOUT;
2640 case ECONNREFUSED: return WSAECONNREFUSED;
2641 case ELOOP: return WSAELOOP;
2642 case ENAMETOOLONG: return WSAENAMETOOLONG;
2643 case EHOSTDOWN: return WSAEHOSTDOWN;
2644 case EHOSTUNREACH: return WSAEHOSTUNREACH;
2645 case ENOTEMPTY: return WSAENOTEMPTY;
2646 #ifdef EPROCLIM
2647 case EPROCLIM: return WSAEPROCLIM;
2648 #endif
2649 #ifdef EUSERS
2650 case EUSERS: return WSAEUSERS;
2651 #endif
2652 #ifdef EDQUOT
2653 case EDQUOT: return WSAEDQUOT;
2654 #endif
2655 #ifdef ESTALE
2656 case ESTALE: return WSAESTALE;
2657 #endif
2658 #ifdef EREMOTE
2659 case EREMOTE: return WSAEREMOTE;
2660 #endif
2661
2662 /* just in case we ever get here and there are no problems */
2663 case 0: return 0;
2664 default:
2665 WARN(winsock, "Unknown errno %d!\n", loc_errno);
2666 return WSAEOPNOTSUPP;
2667 }
2668 }
2669
2670 UINT16 wsaHerrno(void)
2671 {
2672 int loc_errno = h_errno;
2673
2674 WARN(winsock, "h_errno %d.\n", loc_errno);
2675
2676 switch(loc_errno)
2677 {
2678 case HOST_NOT_FOUND: return WSAHOST_NOT_FOUND;
2679 case TRY_AGAIN: return WSATRY_AGAIN;
2680 case NO_RECOVERY: return WSANO_RECOVERY;
2681 case NO_DATA: return WSANO_DATA;
2682
2683 case 0: return 0;
2684 default:
2685 WARN(winsock,"Unknown h_errno %d!\n", loc_errno);
2686 return WSAEOPNOTSUPP;
2687 }
2688 }
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