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Release 980628
[wine/gsoc-2012-control.git] / misc / winsock.c
blob5eb67d53aa23ced39e523b6dd14173dc57d1c383
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 <netdb.h>
45 #include <unistd.h>
46
47 #include "winsock.h"
48 #include "windows.h"
49 #include "winnt.h"
50 #include "heap.h"
51 #include "ldt.h"
52 #include "task.h"
53 #include "message.h"
54 #include "miscemu.h"
55 #include "debug.h"
56
57 #define DEBUG_SOCKADDR 0
58 #define dump_sockaddr(a) \
59 DUMP("sockaddr_in: family %d, address %s, port %d\n", \
60 ((struct sockaddr_in *)a)->sin_family, \
61 inet_ntoa(((struct sockaddr_in *)a)->sin_addr), \
62 ntohs(((struct sockaddr_in *)a)->sin_port))
63
64 #pragma pack(4)
65
66 /* ----------------------------------- internal data */
67
68 static HANDLE32 _WSHeap = 0;
69 static unsigned char* _ws_stub = NULL;
70 static LPWSINFO _wsi_list = NULL;
71
72 #define WS_ALLOC(size) \
73 HeapAlloc(_WSHeap, HEAP_ZERO_MEMORY, (size) )
74 #define WS_FREE(ptr) \
75 HeapFree(_WSHeap, 0, (ptr) )
76
77 #define WS_PTR2HANDLE(ptr) \
78 ((short)((int)(ptr) - (int)_ws_stub))
79 #define WS_HANDLE2PTR(handle) \
80 ((unsigned)((int)_ws_stub + (int)(handle)))
81
82 #define WSI_CHECK_RANGE(pwsi, pws) \
83 ( ((unsigned)(pws) > (unsigned)(pwsi)) && \
84 ((unsigned)(pws) < ((unsigned)(pwsi) + sizeof(WSINFO))) )
85
86 static INT32 _ws_sock_ops[] =
87 { WS_SO_DEBUG, WS_SO_REUSEADDR, WS_SO_KEEPALIVE, WS_SO_DONTROUTE,
88 WS_SO_BROADCAST, WS_SO_LINGER, WS_SO_OOBINLINE, WS_SO_SNDBUF,
89 WS_SO_RCVBUF, WS_SO_ERROR, WS_SO_TYPE, WS_SO_DONTLINGER, 0 };
90 static int _px_sock_ops[] =
91 { SO_DEBUG, SO_REUSEADDR, SO_KEEPALIVE, SO_DONTROUTE, SO_BROADCAST,
92 SO_LINGER, SO_OOBINLINE, SO_SNDBUF, SO_RCVBUF, SO_ERROR, SO_TYPE,
93 SO_LINGER };
94
95 static int _check_ws(LPWSINFO pwsi, ws_socket* pws);
96 static char* _check_buffer(LPWSINFO pwsi, int size);
97
98 /***********************************************************************
99 * convert_sockopt()
100 *
101 * Converts socket flags from Windows format.
102 */
103 static void convert_sockopt(INT32 *level, INT32 *optname)
104 {
105 int i;
106 switch (*level)
107 {
108 case WS_SOL_SOCKET:
109 *level = SOL_SOCKET;
110 for(i=0; _ws_sock_ops[i]; i++)
111 if( _ws_sock_ops[i] == *optname ) break;
112 if( _ws_sock_ops[i] ) *optname = _px_sock_ops[i];
113 else WARN(winsock, "Unknown optname %d\n", *optname);
114 break;
115 case WS_IPPROTO_TCP:
116 *optname = IPPROTO_TCP;
117 }
118 }
119
120 /* ----------------------------------- Per-thread info (or per-process?) */
121
122 static LPWSINFO wsi_find(HTASK16 hTask)
123 {
124 TDB* pTask = (TDB*)GlobalLock16(hTask);
125 if( pTask )
126 {
127 if( pTask->pwsi ) return pTask->pwsi;
128 else
129 {
130 LPWSINFO pwsi = _wsi_list;
131 while( pwsi && pwsi->tid != hTask ) pwsi = pwsi->next;
132 if( pwsi )
133 WARN(winsock,"(pwsi=0x%08x,task=0x%04x):Loose wsi struct! \n",
134 (unsigned)pwsi, hTask );
135 return pwsi;
136 }
137 }
138 return NULL;
139 }
140
141 static ws_socket* wsi_alloc_socket(LPWSINFO pwsi, int fd)
142 {
143 /* Initialize a new entry in the socket table */
144
145 if( pwsi->last_free >= 0 )
146 {
147 int i = pwsi->last_free;
148
149 pwsi->last_free = pwsi->sock[i].flags; /* free list */
150 pwsi->sock[i].fd = fd;
151 pwsi->sock[i].flags = 0;
152 return &pwsi->sock[i];
153 }
154 return NULL;
155 }
156
157 static int wsi_strtolo(LPWSINFO pwsi, const char* name, const char* opt)
158 {
159 /* Stuff a lowercase copy of the string into the local buffer */
160
161 int i = strlen(name) + 2;
162 char* p = _check_buffer(pwsi, i + ((opt)?strlen(opt):0));
163
164 if( p )
165 {
166 do *p++ = tolower(*name); while(*name++);
167 i = (p - (char*)(pwsi->buffer));
168 if( opt ) do *p++ = tolower(*opt); while(*opt++);
169 return i;
170 }
171 return 0;
172 }
173
174 static fd_set* fd_set_import( fd_set* fds, LPWSINFO pwsi, void* wsfds, int* highfd, BOOL32 b32 )
175 {
176 /* translate Winsock fd set into local fd set */
177
178 if( wsfds )
179 {
180 #define wsfds16 ((ws_fd_set16*)wsfds)
181 #define wsfds32 ((ws_fd_set32*)wsfds)
182 ws_socket* pws;
183 int i, count;
184
185 FD_ZERO(fds);
186 count = b32 ? wsfds32->fd_count : wsfds16->fd_count;
187
188 for( i = 0; i < count; i++ )
189 {
190 pws = (b32) ? (ws_socket*)WS_HANDLE2PTR(wsfds32->fd_array[i])
191 : (ws_socket*)WS_HANDLE2PTR(wsfds16->fd_array[i]);
192 if( _check_ws(pwsi, pws) )
193 {
194 if( pws->fd > *highfd ) *highfd = pws->fd;
195 FD_SET(pws->fd, fds);
196 }
197 }
198 #undef wsfds32
199 #undef wsfds16
200 return fds;
201 }
202 return NULL;
203 }
204
205 __inline__ static int sock_error_p(int s)
206 {
207 unsigned int optval, optlen;
208
209 optlen = sizeof(optval);
210 getsockopt(s, SOL_SOCKET, SO_ERROR, &optval, &optlen);
211 if (optval) WARN(winsock, "\t[%i] error: %d\n", s, optval);
212 return optval != 0;
213 }
214
215 static int fd_set_export( LPWSINFO pwsi, fd_set* fds, fd_set* exceptfds, void* wsfds, BOOL32 b32 )
216 {
217 int num_err = 0;
218
219 /* translate local fd set into Winsock fd set, adding
220 * errors to exceptfds (only if app requested it) */
221
222 if( wsfds )
223 {
224 #define wsfds16 ((ws_fd_set16*)wsfds)
225 #define wsfds32 ((ws_fd_set32*)wsfds)
226 int i, j, count = (b32) ? wsfds32->fd_count : wsfds16->fd_count;
227
228 for( i = 0, j = 0; i < count; i++ )
229 {
230 ws_socket *pws = (b32) ? (ws_socket*)WS_HANDLE2PTR(wsfds32->fd_array[i])
231 : (ws_socket*)WS_HANDLE2PTR(wsfds16->fd_array[i]);
232 if( _check_ws(pwsi, pws) )
233 {
234 int fd = pws->fd;
235
236 if( FD_ISSET(fd, fds) )
237 {
238 if ( exceptfds && sock_error_p(fd) )
239 {
240 FD_SET(fd, exceptfds);
241 num_err++;
242 }
243 else if( b32 )
244 wsfds32->fd_array[j++] = wsfds32->fd_array[i];
245 else
246 wsfds16->fd_array[j++] = wsfds16->fd_array[i];
247 }
248 }
249 }
250
251 if( b32 ) wsfds32->fd_count = j;
252 else wsfds16->fd_count = j;
253
254 TRACE(winsock, "\n");
255 #undef wsfds32
256 #undef wsfds16
257 }
258 return num_err;
259 }
260
261 HANDLE16 __ws_gethandle( void* ptr )
262 {
263 return (HANDLE16)WS_PTR2HANDLE(ptr);
264 }
265
266 void* __ws_memalloc( int size )
267 {
268 return WS_ALLOC(size);
269 }
270
271 void __ws_memfree(void* ptr)
272 {
273 WS_FREE(ptr);
274 }
275
276 /* ----------------------------------- API -----
277 *
278 * Init / cleanup / error checking.
279 */
280
281 /***********************************************************************
282 * WSAStartup16() (WINSOCK.115)
283 *
284 * Create socket control struct, attach it to the global list and
285 * update a pointer in the task struct.
286 */
287 INT16 WINAPI WSAStartup16(UINT16 wVersionRequested, LPWSADATA lpWSAData)
288 {
289 WSADATA WINSOCK_data = { 0x0101, 0x0101,
290 "WINE Sockets 1.1",
291 #ifdef linux
292 "Linux/i386",
293 #elif defined(__NetBSD__)
294 "NetBSD/i386",
295 #elif defined(sunos)
296 "SunOS",
297 #elif defined(__FreeBSD__)
298 "FreeBSD",
299 #elif defined(__OpenBSD__)
300 "OpenBSD/i386",
301 #else
302 "Unknown",
303 #endif
304 WS_MAX_SOCKETS_PER_PROCESS,
305 WS_MAX_UDP_DATAGRAM, (SEGPTR)NULL };
306 HTASK16 tid = GetCurrentTask();
307 LPWSINFO pwsi;
308
309 TRACE(winsock, "verReq=%x\n", wVersionRequested);
310
311 if (LOBYTE(wVersionRequested) < 1 || (LOBYTE(wVersionRequested) == 1 &&
312 HIBYTE(wVersionRequested) < 1)) return WSAVERNOTSUPPORTED;
313
314 if (!lpWSAData) return WSAEINVAL;
315
316 /* initialize socket heap */
317
318 if( !_ws_stub )
319 {
320 _WSHeap = HeapCreate(HEAP_ZERO_MEMORY, 8120, 32768);
321 if( !(_ws_stub = WS_ALLOC(0x10)) )
322 {
323 ERR(winsock,"Fatal: failed to create WinSock heap\n");
324 return 0;
325 }
326 }
327 if( _WSHeap == 0 ) return WSASYSNOTREADY;
328
329 /* create socket array for this task */
330
331 pwsi = wsi_find(GetCurrentTask());
332 if( pwsi == NULL )
333 {
334 TDB* pTask = (TDB*)GlobalLock16( tid );
335
336 if( (pwsi = (LPWSINFO)WS_ALLOC( sizeof(WSINFO))) )
337 {
338 int i = 0;
339 pwsi->tid = tid;
340 for( i = 0; i < WS_MAX_SOCKETS_PER_PROCESS; i++ )
341 {
342 pwsi->sock[i].fd = -1;
343 pwsi->sock[i].flags = i + 1;
344 }
345 pwsi->sock[WS_MAX_SOCKETS_PER_PROCESS - 1].flags = -1;
346 }
347 else return WSASYSNOTREADY;
348
349 /* add this control struct to the global list */
350
351 pwsi->prev = NULL;
352 if( _wsi_list )
353 _wsi_list->prev = pwsi;
354 pwsi->next = _wsi_list;
355 _wsi_list = pwsi;
356 pTask->pwsi = pwsi;
357 }
358 else pwsi->num_startup++;
359
360 /* return winsock information */
361
362 memcpy(lpWSAData, &WINSOCK_data, sizeof(WINSOCK_data));
363
364 TRACE(winsock, "succeeded\n");
365 return 0;
366 }
367
368 /***********************************************************************
369 * WSAStartup32() (WSOCK32.115)
370 */
371 INT32 WINAPI WSAStartup32(UINT32 wVersionRequested, LPWSADATA lpWSAData)
372 {
373 return WSAStartup16( wVersionRequested, lpWSAData );
374 }
375
376 /***********************************************************************
377 * WSACleanup() (WINSOCK.116)
378 *
379 * Cleanup functions of varying impact.
380 */
381 void WINSOCK_Shutdown()
382 {
383 /* Called on exit(), has to remove all outstanding async DNS processes. */
384
385 WINSOCK_cancel_task_aops( 0, __ws_memfree );
386 }
387
388 INT32 WINSOCK_DeleteTaskWSI( TDB* pTask, LPWSINFO pwsi )
389 {
390 /* WSACleanup() backend, called on task termination as well.
391 * Real DLL would have registered its own signal handler with
392 * TaskSetSignalHandler() and waited until USIG_TERMINATION/USIG_GPF
393 * but this scheme is much more straightforward.
394 */
395
396 int i, j, n;
397
398 if( --pwsi->num_startup > 0 ) return 0;
399
400 SIGNAL_MaskAsyncEvents( TRUE );
401 WINSOCK_cancel_task_aops( pTask->hSelf, __ws_memfree );
402 SIGNAL_MaskAsyncEvents( FALSE );
403
404 /* unlink socket control struct */
405
406 if( pwsi == _wsi_list )
407 _wsi_list = pwsi->next;
408 else
409 pwsi->prev->next = pwsi->next;
410 if( pwsi->next ) pwsi->next->prev = pwsi->prev;
411
412 if( _wsi_list == NULL )
413 WINSOCK_Shutdown(); /* just in case */
414
415 if( pwsi->flags & WSI_BLOCKINGCALL )
416 TRACE(winsock,"\tinside blocking call!\n");
417
418 /* FIXME: aop_control() doesn't decrement pwsi->num_async_rq
419 *
420 * if( pwsi->num_async_rq )
421 * WARN(winsock,"\thave %i outstanding async ops!\n", pwsi->num_async_rq );
422 */
423
424 for(i = 0, j = 0, n = 0; i < WS_MAX_SOCKETS_PER_PROCESS; i++)
425 if( pwsi->sock[i].fd != -1 )
426 {
427 if( pwsi->sock[i].psop )
428 {
429 n++;
430 WSAAsyncSelect32( (SOCKET16)WS_PTR2HANDLE(pwsi->sock + i), 0, 0, 0 );
431 }
432 close(pwsi->sock[i].fd); j++;
433 }
434 if( j )
435 TRACE(winsock,"\tclosed %i sockets, killed %i async selects!\n", j, n);
436
437 /* delete scratch buffers */
438
439 if( pwsi->buffer ) SEGPTR_FREE(pwsi->buffer);
440 if( pwsi->dbuffer ) SEGPTR_FREE(pwsi->dbuffer);
441
442 if( pTask )
443 pTask->pwsi = NULL;
444 memset( pwsi, 0, sizeof(WSINFO) );
445 WS_FREE(pwsi);
446 return 0;
447 }
448
449 INT32 WINAPI WSACleanup(void)
450 {
451 HTASK16 hTask = GetCurrentTask();
452
453 TRACE(winsock, "(%04x)\n", hTask );
454 if( hTask )
455 {
456 LPWSINFO pwsi = wsi_find(hTask);
457 if( pwsi )
458 return WINSOCK_DeleteTaskWSI( (TDB*)GlobalLock16(hTask), pwsi );
459 return SOCKET_ERROR;
460 }
461 else
462 WINSOCK_Shutdown(); /* remove all outstanding DNS requests */
463 return 0;
464 }
465
466
467 /***********************************************************************
468 * WSAGetLastError() (WSOCK32.111)(WINSOCK.111)
469 */
470 INT32 WINAPI WSAGetLastError(void)
471 {
472 LPWSINFO pwsi = wsi_find(GetCurrentTask());
473 INT16 ret = (pwsi) ? pwsi->err : WSANOTINITIALISED;
474
475 TRACE(winsock, "(%08x) = %i\n",
476 (unsigned)pwsi, (int)ret);
477 return ret;
478 }
479
480 /***********************************************************************
481 * WSASetLastError32() (WSOCK32.112)
482 */
483 void WINAPI WSASetLastError32(INT32 iError)
484 {
485 LPWSINFO pwsi = wsi_find(GetCurrentTask());
486
487 TRACE(winsock, "(%08x): %d\n", (unsigned)pwsi, (int)iError);
488 if( pwsi ) pwsi->err = iError;
489 }
490
491 /***********************************************************************
492 * WSASetLastError16() (WINSOCK.112)
493 */
494 void WINAPI WSASetLastError16(INT16 iError)
495 {
496 WSASetLastError32(iError);
497 }
498
499 int _check_ws(LPWSINFO pwsi, ws_socket* pws)
500 {
501 if( pwsi )
502 if( pwsi->flags & WSI_BLOCKINGCALL ) pwsi->err = WSAEINPROGRESS;
503 else if( WSI_CHECK_RANGE(pwsi, pws) ) return 1;
504 else pwsi->err = WSAENOTSOCK;
505 return 0;
506 }
507
508 char* _check_buffer(LPWSINFO pwsi, int size)
509 {
510 if( pwsi->buffer && pwsi->buflen >= size ) return pwsi->buffer;
511 else SEGPTR_FREE(pwsi->buffer);
512
513 pwsi->buffer = (char*)SEGPTR_ALLOC((pwsi->buflen = size));
514 return pwsi->buffer;
515 }
516
517 /* ----------------------------------- i/o APIs */
518
519 /***********************************************************************
520 * accept() (WSOCK32.1)
521 */
522 SOCKET32 WINAPI WINSOCK_accept32(SOCKET32 s, struct sockaddr *addr,
523 INT32 *addrlen32)
524 {
525 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR((SOCKET16)s);
526 LPWSINFO pwsi = wsi_find(GetCurrentTask());
527
528 TRACE(winsock, "(%08x): socket %04x\n",
529 (unsigned)pwsi, (UINT16)s );
530 if( _check_ws(pwsi, pws) )
531 {
532 int sock, fd_flags;
533
534 fd_flags = fcntl(pws->fd, F_GETFL, 0);
535
536 if( (sock = accept(pws->fd, addr, addrlen32)) >= 0 )
537 {
538 ws_socket* pnew = wsi_alloc_socket(pwsi, sock);
539 if( pnew )
540 {
541 s = (SOCKET32)WS_PTR2HANDLE(pnew);
542 if( pws->psop && pws->flags & WS_FD_ACCEPT )
543 {
544 EVENT_AddIO( pws->fd, EVENT_IO_READ ); /* reenabler */
545
546 /* async select the accept()'ed socket */
547 WSAAsyncSelect32( s, pws->psop->hWnd, pws->psop->uMsg,
548 pws->flags & ~WS_FD_ACCEPT );
549 }
550 return s;
551 }
552 else pwsi->err = WSAENOBUFS;
553 }
554 else pwsi->err = wsaErrno();
555 }
556 return INVALID_SOCKET32;
557 }
558
559 /***********************************************************************
560 * accept() (WINSOCK.1)
561 */
562 SOCKET16 WINAPI WINSOCK_accept16(SOCKET16 s, struct sockaddr* addr,
563 INT16* addrlen16 )
564 {
565 INT32 addrlen32 = addrlen16 ? *addrlen16 : 0;
566 SOCKET32 retSocket = WINSOCK_accept32( s, addr, &addrlen32 );
567 if( addrlen16 ) *addrlen16 = (INT16)addrlen32;
568 return (SOCKET16)retSocket;
569 }
570
571 /***********************************************************************
572 * bind() (WSOCK32.2)
573 */
574 INT32 WINAPI WINSOCK_bind32(SOCKET32 s, struct sockaddr *name, INT32 namelen)
575 {
576 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
577 LPWSINFO pwsi = wsi_find(GetCurrentTask());
578
579 TRACE(winsock, "(%08x): socket %04x, ptr %8x, length %d\n",
580 (unsigned)pwsi, s, (int) name, namelen);
581 #if DEBUG_SOCKADDR
582 dump_sockaddr(name);
583 #endif
584
585 if ( _check_ws(pwsi, pws) )
586 if ( namelen >= sizeof(*name) )
587 if ( ((struct ws_sockaddr_in *)name)->sin_family == AF_INET )
588 if ( bind(pws->fd, name, namelen) < 0 )
589 {
590 int loc_errno = errno;
591 WARN(winsock, "\tfailure - errno = %i\n", errno);
592 errno = loc_errno;
593 switch(errno)
594 {
595 case EBADF: pwsi->err = WSAENOTSOCK; break;
596 case EADDRNOTAVAIL: pwsi->err = WSAEINVAL; break;
597 default: pwsi->err = wsaErrno();
598 }
599 }
600 else return 0; /* success */
601 else pwsi->err = WSAEAFNOSUPPORT;
602 else pwsi->err = WSAEFAULT;
603 return SOCKET_ERROR;
604 }
605
606 /***********************************************************************
607 * bind() (WINSOCK.2)
608 */
609 INT16 WINAPI WINSOCK_bind16(SOCKET16 s, struct sockaddr *name, INT16 namelen)
610 {
611 return (INT16)WINSOCK_bind32( s, name, namelen );
612 }
613
614 /***********************************************************************
615 * closesocket() (WSOCK32.3)
616 */
617 INT32 WINAPI WINSOCK_closesocket32(SOCKET32 s)
618 {
619 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
620 LPWSINFO pwsi = wsi_find(GetCurrentTask());
621
622 TRACE(winsock, "(%08x): socket %08x\n", (unsigned)pwsi, s);
623
624 if( _check_ws(pwsi, pws) )
625 {
626 int fd = pws->fd;
627
628 if( pws->psop ) WSAAsyncSelect32( s, 0, 0, 0 );
629
630 pws->fd = -1;
631 pws->flags = (unsigned)pwsi->last_free;
632 pwsi->last_free = pws - &pwsi->sock[0]; /* add to free list */
633
634 if( close(fd) == 0 )
635 return 0;
636 pwsi->err = (errno == EBADF) ? WSAENOTSOCK : wsaErrno();
637 }
638 return SOCKET_ERROR;
639 }
640
641 /***********************************************************************
642 * closesocket() (WINSOCK.3)
643 */
644 INT16 WINAPI WINSOCK_closesocket16(SOCKET16 s)
645 {
646 return (INT16)WINSOCK_closesocket32(s);
647 }
648
649 /***********************************************************************
650 * connect() (WSOCK32.4)
651 */
652 INT32 WINAPI WINSOCK_connect32(SOCKET32 s, struct sockaddr *name, INT32 namelen)
653 {
654 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
655 LPWSINFO pwsi = wsi_find(GetCurrentTask());
656
657 TRACE(winsock, "(%08x): socket %04x, ptr %8x, length %d\n",
658 (unsigned)pwsi, s, (int) name, namelen);
659 #if DEBUG_SOCKADDR
660 dump_sockaddr(name);
661 #endif
662
663 if( _check_ws(pwsi, pws) )
664 {
665 if (connect(pws->fd, name, namelen) == 0)
666 {
667 if( pws->psop && (pws->flags & WS_FD_CONNECT) )
668 {
669 /* application did AsyncSelect() but then went
670 * ahead and called connect() without waiting for
671 * notification.
672 *
673 * FIXME: Do we have to post a notification message
674 * in this case?
675 */
676
677 if( !(pws->flags & WS_FD_CONNECTED) )
678 {
679 if( pws->flags & (WS_FD_READ | WS_FD_CLOSE) )
680 EVENT_AddIO( pws->fd, EVENT_IO_READ );
681 else
682 EVENT_DeleteIO( pws->fd, EVENT_IO_READ );
683 if( pws->flags & WS_FD_WRITE )
684 EVENT_AddIO( pws->fd, EVENT_IO_WRITE );
685 else
686 EVENT_DeleteIO( pws->fd, EVENT_IO_WRITE );
687 }
688 }
689 pws->flags |= WS_FD_CONNECTED;
690 pws->flags &= ~(WS_FD_INACTIVE | WS_FD_CONNECT | WS_FD_LISTENING);
691 return 0;
692 }
693 pwsi->err = (errno == EINPROGRESS) ? WSAEWOULDBLOCK : wsaErrno();
694 }
695 return SOCKET_ERROR;
696 }
697
698 /***********************************************************************
699 * connect() (WINSOCK.4)
700 */
701 INT16 WINAPI WINSOCK_connect16(SOCKET16 s, struct sockaddr *name, INT16 namelen)
702 {
703 return (INT16)WINSOCK_connect32( s, name, namelen );
704 }
705
706 /***********************************************************************
707 * getpeername() (WSOCK32.5)
708 */
709 INT32 WINAPI WINSOCK_getpeername32(SOCKET32 s, struct sockaddr *name,
710 INT32 *namelen)
711 {
712 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
713 LPWSINFO pwsi = wsi_find(GetCurrentTask());
714
715 TRACE(winsock, "(%08x): socket: %04x, ptr %8x, ptr %8x\n",
716 (unsigned)pwsi, s, (int) name, *namelen);
717 if( _check_ws(pwsi, pws) )
718 {
719 if (getpeername(pws->fd, name, namelen) == 0)
720 return 0;
721 pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
722 }
723 return SOCKET_ERROR;
724 }
725
726 /***********************************************************************
727 * getpeername() (WINSOCK.5)
728 */
729 INT16 WINAPI WINSOCK_getpeername16(SOCKET16 s, struct sockaddr *name,
730 INT16 *namelen16)
731 {
732 INT32 namelen32 = *namelen16;
733 INT32 retVal = WINSOCK_getpeername32( s, name, &namelen32 );
734
735 #if DEBUG_SOCKADDR
736 dump_sockaddr(name);
737 #endif
738
739 *namelen16 = namelen32;
740 return (INT16)retVal;
741 }
742
743 /***********************************************************************
744 * getsockname() (WSOCK32.6)
745 */
746 INT32 WINAPI WINSOCK_getsockname32(SOCKET32 s, struct sockaddr *name,
747 INT32 *namelen)
748 {
749 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
750 LPWSINFO pwsi = wsi_find(GetCurrentTask());
751
752 TRACE(winsock, "(%08x): socket: %04x, ptr %8x, ptr %8x\n",
753 (unsigned)pwsi, s, (int) name, (int) *namelen);
754 if( _check_ws(pwsi, pws) )
755 {
756 if (getsockname(pws->fd, name, namelen) == 0)
757 return 0;
758 pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
759 }
760 return SOCKET_ERROR;
761 }
762
763 /***********************************************************************
764 * getsockname() (WINSOCK.6)
765 */
766 INT16 WINAPI WINSOCK_getsockname16(SOCKET16 s, struct sockaddr *name,
767 INT16 *namelen16)
768 {
769 INT32 retVal;
770
771 if( namelen16 )
772 {
773 INT32 namelen32 = *namelen16;
774 retVal = WINSOCK_getsockname32( s, name, &namelen32 );
775 *namelen16 = namelen32;
776
777 #if DEBUG_SOCKADDR
778 dump_sockaddr(name);
779 #endif
780
781 }
782 else retVal = SOCKET_ERROR;
783 return (INT16)retVal;
784 }
785
786
787 /***********************************************************************
788 * getsockopt() (WSOCK32.7)
789 */
790 INT32 WINAPI WINSOCK_getsockopt32(SOCKET32 s, INT32 level,
791 INT32 optname, char *optval, INT32 *optlen)
792 {
793 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
794 LPWSINFO pwsi = wsi_find(GetCurrentTask());
795
796 TRACE(winsock, "(%08x): socket: %04x, opt %d, ptr %8x, ptr %8x\n",
797 (unsigned)pwsi, s, level, (int) optval, (int) *optlen);
798 if( _check_ws(pwsi, pws) )
799 {
800 convert_sockopt(&level, &optname);
801 if (getsockopt(pws->fd, (int) level, optname, optval, optlen) == 0 )
802 return 0;
803 pwsi->err = (errno == EBADF) ? WSAENOTSOCK : wsaErrno();
804 }
805 return SOCKET_ERROR;
806 }
807
808 /***********************************************************************
809 * getsockopt() (WINSOCK.7)
810 */
811 INT16 WINAPI WINSOCK_getsockopt16(SOCKET16 s, INT16 level,
812 INT16 optname, char *optval, INT16 *optlen)
813 {
814 INT32 optlen32;
815 INT32 *p = &optlen32;
816 INT32 retVal;
817 if( optlen ) optlen32 = *optlen; else p = NULL;
818 retVal = WINSOCK_getsockopt32( s, (UINT16)level, optname, optval, p );
819 if( optlen ) *optlen = optlen32;
820 return (INT16)retVal;
821 }
822
823 /***********************************************************************
824 * htonl() (WINSOCK.8)(WSOCK32.8)
825 */
826 u_long WINAPI WINSOCK_htonl(u_long hostlong) { return( htonl(hostlong) ); }
827 /***********************************************************************
828 * htons() (WINSOCK.9)(WSOCK32.9)
829 */
830 u_short WINAPI WINSOCK_htons(u_short hostshort) { return( htons(hostshort) ); }
831 /***********************************************************************
832 * inet_addr() (WINSOCK.10)(WSOCK32.10)
833 */
834 u_long WINAPI WINSOCK_inet_addr(char *cp) { return( inet_addr(cp) ); }
835 /***********************************************************************
836 * htohl() (WINSOCK.14)(WSOCK32.14)
837 */
838 u_long WINAPI WINSOCK_ntohl(u_long netlong) { return( ntohl(netlong) ); }
839 /***********************************************************************
840 * ntohs() (WINSOCK.15)(WSOCK32.15)
841 */
842 u_short WINAPI WINSOCK_ntohs(u_short netshort) { return( ntohs(netshort) ); }
843
844 /***********************************************************************
845 * inet_ntoa() (WINSOCK.11)(WSOCK32.11)
846 */
847 char* WINAPI WINSOCK_inet_ntoa32(struct in_addr in)
848 {
849 /* use "buffer for dummies" here because some applications have
850 * propensity to decode addresses in ws_hostent structure without
851 * saving them first...
852 */
853
854 LPWSINFO pwsi = wsi_find(GetCurrentTask());
855
856 if( pwsi )
857 {
858 char* s = inet_ntoa(in);
859 if( s )
860 {
861 if( pwsi->dbuffer == NULL )
862 if((pwsi->dbuffer = (char*) SEGPTR_ALLOC(32)) == NULL )
863 {
864 pwsi->err = WSAENOBUFS;
865 return NULL;
866 }
867 strncpy(pwsi->dbuffer, s, 32 );
868 return pwsi->dbuffer;
869 }
870 pwsi->err = wsaErrno();
871 }
872 return NULL;
873 }
874
875 SEGPTR WINAPI WINSOCK_inet_ntoa16(struct in_addr in)
876 {
877 char* retVal = WINSOCK_inet_ntoa32(in);
878 return retVal ? SEGPTR_GET(retVal) : (SEGPTR)NULL;
879 }
880
881 /***********************************************************************
882 * ioctlsocket() (WSOCK32.12)
883 */
884 INT32 WINAPI WINSOCK_ioctlsocket32(SOCKET32 s, UINT32 cmd, UINT32 *argp)
885 {
886 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
887 LPWSINFO pwsi = wsi_find(GetCurrentTask());
888
889 TRACE(winsock, "(%08x): socket %04x, cmd %08x, ptr %8x\n",
890 (unsigned)pwsi, s, cmd, (unsigned) argp);
891 if( _check_ws(pwsi, pws) )
892 {
893 long newcmd = cmd;
894
895 switch( cmd )
896 {
897 case WS_FIONREAD:
898 newcmd=FIONREAD;
899 break;
900
901 case WS_FIONBIO:
902 newcmd=FIONBIO;
903 if( pws->psop && *argp == 0 )
904 {
905 /* AsyncSelect()'ed sockets are always nonblocking */
906 pwsi->err = WSAEINVAL;
907 return SOCKET_ERROR;
908 }
909 break;
910
911 case WS_SIOCATMARK:
912 newcmd=SIOCATMARK;
913 break;
914
915 case WS_IOW('f',125,u_long):
916 WARN(winsock,"Warning: WS1.1 shouldn't be using async I/O\n");
917 pwsi->err = WSAEINVAL;
918 return SOCKET_ERROR;
919
920 default:
921 /* Netscape tries hard to use bogus ioctl 0x667e */
922 WARN(winsock, "\tunknown WS_IOCTL cmd (%08x)\n", cmd);
923 }
924 if( ioctl(pws->fd, newcmd, (char*)argp ) == 0 ) return 0;
925 pwsi->err = (errno == EBADF) ? WSAENOTSOCK : wsaErrno();
926 }
927 return SOCKET_ERROR;
928 }
929
930 /***********************************************************************
931 * ioctlsocket() (WINSOCK.12)
932 */
933 INT16 WINAPI WINSOCK_ioctlsocket16(SOCKET16 s, UINT32 cmd, UINT32 *argp)
934 {
935 return (INT16)WINSOCK_ioctlsocket32( s, cmd, argp );
936 }
937
938
939 /***********************************************************************
940 * listen() (WSOCK32.13)
941 */
942 INT32 WINAPI WINSOCK_listen32(SOCKET32 s, INT32 backlog)
943 {
944 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
945 LPWSINFO pwsi = wsi_find(GetCurrentTask());
946
947 TRACE(winsock, "(%08x): socket %04x, backlog %d\n",
948 (unsigned)pwsi, s, backlog);
949 if( _check_ws(pwsi, pws) )
950 {
951 if (listen(pws->fd, backlog) == 0)
952 {
953 if( !pws->psop )
954 {
955 int fd_flags = fcntl(pws->fd, F_GETFL, 0);
956 if( !(fd_flags & O_NONBLOCK) ) pws->flags |= WS_FD_ACCEPT;
957 }
958 pws->flags |= WS_FD_LISTENING;
959 pws->flags &= ~(WS_FD_INACTIVE | WS_FD_CONNECT | WS_FD_CONNECTED); /* just in case */
960 return 0;
961 }
962 pwsi->err = wsaErrno();
963 }
964 else if( pwsi ) pwsi->err = WSAENOTSOCK;
965 return SOCKET_ERROR;
966 }
967
968 /***********************************************************************
969 * listen() (WINSOCK.13)
970 */
971 INT16 WINAPI WINSOCK_listen16(SOCKET16 s, INT16 backlog)
972 {
973 return (INT16)WINSOCK_listen32( s, backlog );
974 }
975
976
977 /***********************************************************************
978 * recv() (WSOCK32.16)
979 */
980 INT32 WINAPI WINSOCK_recv32(SOCKET32 s, char *buf, INT32 len, INT32 flags)
981 {
982 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
983 LPWSINFO pwsi = wsi_find(GetCurrentTask());
984
985 TRACE(winsock, "(%08x): socket %04x, buf %8x, len %d, "
986 "flags %d\n", (unsigned)pwsi, s, (unsigned)buf,
987 len, flags);
988 if( _check_ws(pwsi, pws) )
989 {
990 INT32 length;
991 if ((length = recv(pws->fd, buf, len, flags)) >= 0)
992 {
993 TRACE(winsock, " -> %i bytes\n", length);
994
995 if( pws->psop && (pws->flags & (WS_FD_READ | WS_FD_CLOSE)) )
996 EVENT_AddIO( pws->fd, EVENT_IO_READ ); /* reenabler */
997
998 return length;
999 }
1000 pwsi->err = wsaErrno();
1001 }
1002 else if( pwsi ) pwsi->err = WSAENOTSOCK;
1003 WARN(winsock, " -> ERROR\n");
1004 return SOCKET_ERROR;
1005 }
1006
1007 /***********************************************************************
1008 * recv() (WINSOCK.16)
1009 */
1010 INT16 WINAPI WINSOCK_recv16(SOCKET16 s, char *buf, INT16 len, INT16 flags)
1011 {
1012 return (INT16)WINSOCK_recv32( s, buf, len, flags );
1013 }
1014
1015
1016 /***********************************************************************
1017 * recvfrom() (WSOCK32.17)
1018 */
1019 INT32 WINAPI WINSOCK_recvfrom32(SOCKET32 s, char *buf, INT32 len, INT32 flags,
1020 struct sockaddr *from, INT32 *fromlen32)
1021 {
1022 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
1023 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1024
1025 TRACE(winsock, "(%08x): socket %04x, ptr %08x, "
1026 "len %d, flags %d\n", (unsigned)pwsi, s, (unsigned)buf,
1027 len, flags);
1028 #if DEBUG_SOCKADDR
1029 if( from ) dump_sockaddr(from);
1030 else DUMP("from = NULL\n");
1031 #endif
1032
1033 if( _check_ws(pwsi, pws) )
1034 {
1035 int length;
1036
1037 if ((length = recvfrom(pws->fd, buf, len, flags, from, fromlen32)) >= 0)
1038 {
1039 TRACE(winsock, " -> %i bytes\n", length);
1040
1041 if( pws->psop && (pws->flags & (WS_FD_READ | WS_FD_CLOSE)) )
1042 EVENT_AddIO( pws->fd, EVENT_IO_READ ); /* reenabler */
1043
1044 return (INT16)length;
1045 }
1046 pwsi->err = wsaErrno();
1047 }
1048 else if( pwsi ) pwsi->err = WSAENOTSOCK;
1049 WARN(winsock, " -> ERROR\n");
1050 return SOCKET_ERROR;
1051 }
1052
1053 /***********************************************************************
1054 * recvfrom() (WINSOCK.17)
1055 */
1056 INT16 WINAPI WINSOCK_recvfrom16(SOCKET16 s, char *buf, INT16 len, INT16 flags,
1057 struct sockaddr *from, INT16 *fromlen16)
1058 {
1059 INT32 fromlen32;
1060 INT32 *p = &fromlen32;
1061 INT32 retVal;
1062
1063 if( fromlen16 ) fromlen32 = *fromlen16; else p = NULL;
1064 retVal = WINSOCK_recvfrom32( s, buf, len, flags, from, p );
1065 if( fromlen16 ) *fromlen16 = fromlen32;
1066 return (INT16)retVal;
1067 }
1068
1069 /***********************************************************************
1070 * select() (WINSOCK.18)(WSOCK32.18)
1071 */
1072 static INT32 __ws_select( BOOL32 b32, void *ws_readfds, void *ws_writefds, void *ws_exceptfds,
1073 struct timeval *timeout )
1074 {
1075 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1076
1077 TRACE(winsock, "(%08x): read %8x, write %8x, excp %8x\n",
1078 (unsigned) pwsi, (unsigned) ws_readfds, (unsigned) ws_writefds, (unsigned) ws_exceptfds);
1079
1080 if( pwsi )
1081 {
1082 int highfd = 0;
1083 fd_set readfds, writefds, exceptfds;
1084 fd_set *p_read, *p_write, *p_except;
1085
1086 p_read = fd_set_import(&readfds, pwsi, ws_readfds, &highfd, b32);
1087 p_write = fd_set_import(&writefds, pwsi, ws_writefds, &highfd, b32);
1088 p_except = fd_set_import(&exceptfds, pwsi, ws_exceptfds, &highfd, b32);
1089
1090 if( (highfd = select(highfd + 1, p_read, p_write, p_except, timeout)) > 0 )
1091 {
1092 fd_set_export(pwsi, &readfds, p_except, ws_readfds, b32);
1093 fd_set_export(pwsi, &writefds, p_except, ws_writefds, b32);
1094
1095 if (p_except && ws_exceptfds)
1096 {
1097 #define wsfds16 ((ws_fd_set16*)ws_exceptfds)
1098 #define wsfds32 ((ws_fd_set32*)ws_exceptfds)
1099 int i, j, count = (b32) ? wsfds32->fd_count : wsfds16->fd_count;
1100
1101 for (i = j = 0; i < count; i++)
1102 {
1103 ws_socket *pws = (b32) ? (ws_socket *)WS_HANDLE2PTR(wsfds32->fd_array[i])
1104 : (ws_socket *)WS_HANDLE2PTR(wsfds16->fd_array[i]);
1105 if( _check_ws(pwsi, pws) && FD_ISSET(pws->fd, &exceptfds) )
1106 {
1107 if( b32 )
1108 wsfds32->fd_array[j++] = wsfds32->fd_array[i];
1109 else
1110 wsfds16->fd_array[j++] = wsfds16->fd_array[i];
1111 }
1112 }
1113 if( b32 )
1114 wsfds32->fd_count = j;
1115 else
1116 wsfds16->fd_count = j;
1117 #undef wsfds32
1118 #undef wsfds16
1119 }
1120 return highfd;
1121 }
1122 if( ws_readfds ) ((ws_fd_set32*)ws_readfds)->fd_count = 0;
1123 if( ws_writefds ) ((ws_fd_set32*)ws_writefds)->fd_count = 0;
1124 if( ws_exceptfds ) ((ws_fd_set32*)ws_exceptfds)->fd_count = 0;
1125
1126 if( highfd == 0 ) return 0;
1127 pwsi->err = wsaErrno();
1128 }
1129 return SOCKET_ERROR;
1130 }
1131
1132 INT16 WINAPI WINSOCK_select16(INT16 nfds, ws_fd_set16 *ws_readfds,
1133 ws_fd_set16 *ws_writefds, ws_fd_set16 *ws_exceptfds,
1134 struct timeval *timeout)
1135 {
1136 return (INT16)__ws_select( FALSE, ws_readfds, ws_writefds, ws_exceptfds, timeout );
1137 }
1138
1139 INT32 WINAPI WINSOCK_select32(INT32 nfds, ws_fd_set32 *ws_readfds,
1140 ws_fd_set32 *ws_writefds, ws_fd_set32 *ws_exceptfds,
1141 struct timeval *timeout)
1142 {
1143 /* struct timeval is the same for both 32- and 16-bit code */
1144 return (INT32)__ws_select( TRUE, ws_readfds, ws_writefds, ws_exceptfds, timeout );
1145 }
1146
1147
1148 /***********************************************************************
1149 * send() (WSOCK32.19)
1150 */
1151 INT32 WINAPI WINSOCK_send32(SOCKET32 s, char *buf, INT32 len, INT32 flags)
1152 {
1153 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
1154 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1155
1156 TRACE(winsock, "(%08x): socket %04x, ptr %08x, length %d, flags %d\n",
1157 (unsigned)pwsi, s, (unsigned) buf, len, flags);
1158 if( _check_ws(pwsi, pws) )
1159 {
1160 int length;
1161
1162 if ((length = send(pws->fd, buf, len, flags)) < 0 )
1163 {
1164 pwsi->err = wsaErrno();
1165 if( pwsi->err == WSAEWOULDBLOCK &&
1166 pws->psop && pws->flags & WS_FD_WRITE )
1167 EVENT_AddIO( pws->fd, EVENT_IO_WRITE ); /* reenabler */
1168 }
1169 else return (INT16)length;
1170 }
1171 else if( pwsi ) pwsi->err = WSAENOTSOCK;
1172 return SOCKET_ERROR;
1173 }
1174
1175 /***********************************************************************
1176 * send() (WINSOCK.19)
1177 */
1178 INT16 WINAPI WINSOCK_send16(SOCKET16 s, char *buf, INT16 len, INT16 flags)
1179 {
1180 return WINSOCK_send32( s, buf, len, flags );
1181 }
1182
1183 /***********************************************************************
1184 * sendto() (WSOCK32.20)
1185 */
1186 INT32 WINAPI WINSOCK_sendto32(SOCKET32 s, char *buf, INT32 len, INT32 flags,
1187 struct sockaddr *to, INT32 tolen)
1188 {
1189 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
1190 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1191
1192 TRACE(winsock, "(%08x): socket %04x, ptr %08x, length %d, flags %d\n",
1193 (unsigned)pwsi, s, (unsigned) buf, len, flags);
1194 if( _check_ws(pwsi, pws) )
1195 {
1196 INT32 length;
1197
1198 if ((length = sendto(pws->fd, buf, len, flags, to, tolen)) < 0 )
1199 {
1200 pwsi->err = wsaErrno();
1201 if( pwsi->err == WSAEWOULDBLOCK &&
1202 pws->psop && pws->flags & WS_FD_WRITE )
1203 EVENT_AddIO( pws->fd, EVENT_IO_WRITE ); /* reenabler */
1204 }
1205 else return length;
1206 }
1207 else if( pwsi ) pwsi->err = WSAENOTSOCK;
1208 return SOCKET_ERROR;
1209 }
1210
1211 /***********************************************************************
1212 * sendto() (WINSOCK.20)
1213 */
1214 INT16 WINAPI WINSOCK_sendto16(SOCKET16 s, char *buf, INT16 len, INT16 flags,
1215 struct sockaddr *to, INT16 tolen)
1216 {
1217 return (INT16)WINSOCK_sendto32( s, buf, len, flags, to, tolen );
1218 }
1219
1220 /***********************************************************************
1221 * setsockopt() (WSOCK32.21)
1222 */
1223 INT32 WINAPI WINSOCK_setsockopt32(SOCKET16 s, INT32 level, INT32 optname,
1224 char *optval, INT32 optlen)
1225 {
1226 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
1227 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1228
1229 TRACE(winsock, "(%08x): socket %04x, lev %d, opt %d, ptr %08x, len %d\n",
1230 (unsigned)pwsi, s, level, optname, (int) optval, optlen);
1231 if( _check_ws(pwsi, pws) )
1232 {
1233 struct linger linger;
1234
1235 convert_sockopt(&level, &optname);
1236 if (optname == SO_LINGER) {
1237 /* yes, uses unsigned short in both win16/win32 */
1238 linger.l_onoff = ((UINT16*)optval)[0];
1239 linger.l_linger = ((UINT16*)optval)[1];
1240 optval = (char*)&linger;
1241 optlen = sizeof(struct linger);
1242 }
1243 if (setsockopt(pws->fd, level, optname, optval, optlen) == 0) return 0;
1244 pwsi->err = wsaErrno();
1245 }
1246 else if( pwsi ) pwsi->err = WSAENOTSOCK;
1247 return SOCKET_ERROR;
1248 }
1249
1250 /***********************************************************************
1251 * setsockopt() (WINSOCK.21)
1252 */
1253 INT16 WINAPI WINSOCK_setsockopt16(SOCKET16 s, INT16 level, INT16 optname,
1254 char *optval, INT16 optlen)
1255 {
1256 if( !optval ) return SOCKET_ERROR;
1257 return (INT16)WINSOCK_setsockopt32( s, (UINT16)level, optname, optval, optlen );
1258 }
1259
1260
1261 /***********************************************************************
1262 * shutdown() (WSOCK32.22)
1263 */
1264 INT32 WINAPI WINSOCK_shutdown32(SOCKET32 s, INT32 how)
1265 {
1266 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
1267 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1268
1269 TRACE(winsock, "(%08x): socket %04x, how %i\n",
1270 (unsigned)pwsi, s, how );
1271 if( _check_ws(pwsi, pws) )
1272 {
1273 if( pws->psop )
1274 switch( how )
1275 {
1276 case 0: /* drop receives */
1277 if( pws->flags & (WS_FD_READ | WS_FD_CLOSE) )
1278 EVENT_DeleteIO( pws->fd, EVENT_IO_READ );
1279 pws->flags &= ~(WS_FD_READ | WS_FD_CLOSE);
1280 #ifdef SHUT_RD
1281 how = SHUT_RD;
1282 #endif
1283 break;
1284
1285 case 1: /* drop sends */
1286 if( pws->flags & WS_FD_WRITE )
1287 EVENT_DeleteIO( pws->fd, EVENT_IO_WRITE );
1288 pws->flags &= ~WS_FD_WRITE;
1289 #ifdef SHUT_WR
1290 how = SHUT_WR;
1291 #endif
1292 break;
1293
1294 case 2: /* drop all */
1295 #ifdef SHUT_RDWR
1296 how = SHUT_RDWR;
1297 #endif
1298 default:
1299 WSAAsyncSelect32( s, 0, 0, 0 );
1300 break;
1301 }
1302
1303 if (shutdown(pws->fd, how) == 0)
1304 {
1305 if( how > 1 )
1306 {
1307 pws->flags &= ~(WS_FD_CONNECTED | WS_FD_LISTENING);
1308 pws->flags |= WS_FD_INACTIVE;
1309 }
1310 return 0;
1311 }
1312 pwsi->err = wsaErrno();
1313 }
1314 else if( pwsi ) pwsi->err = WSAENOTSOCK;
1315 return SOCKET_ERROR;
1316 }
1317
1318 /***********************************************************************
1319 * shutdown() (WINSOCK.22)
1320 */
1321 INT16 WINAPI WINSOCK_shutdown16(SOCKET16 s, INT16 how)
1322 {
1323 return (INT16)WINSOCK_shutdown32( s, how );
1324 }
1325
1326
1327 /***********************************************************************
1328 * socket() (WSOCK32.23)
1329 */
1330 SOCKET32 WINAPI WINSOCK_socket32(INT32 af, INT32 type, INT32 protocol)
1331 {
1332 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1333
1334 TRACE(winsock, "(%08x): af=%d type=%d protocol=%d\n",
1335 (unsigned)pwsi, af, type, protocol);
1336
1337 if( pwsi )
1338 {
1339 int sock;
1340
1341 /* check the socket family */
1342 switch(af)
1343 {
1344 case AF_INET:
1345 case AF_UNSPEC: break;
1346 default: pwsi->err = WSAEAFNOSUPPORT;
1347 return INVALID_SOCKET32;
1348 }
1349
1350 /* check the socket type */
1351 switch(type)
1352 {
1353 case SOCK_STREAM:
1354 case SOCK_DGRAM:
1355 case SOCK_RAW: break;
1356 default: pwsi->err = WSAESOCKTNOSUPPORT;
1357 return INVALID_SOCKET32;
1358 }
1359
1360 /* check the protocol type */
1361 if ( protocol < 0 ) /* don't support negative values */
1362 { pwsi->err = WSAEPROTONOSUPPORT; return INVALID_SOCKET32; }
1363
1364 if ( af == AF_UNSPEC) /* did they not specify the address family? */
1365 switch(protocol)
1366 {
1367 case IPPROTO_TCP:
1368 if (type == SOCK_STREAM) { af = AF_INET; break; }
1369 case IPPROTO_UDP:
1370 if (type == SOCK_DGRAM) { af = AF_INET; break; }
1371 default: pwsi->err = WSAEPROTOTYPE; return INVALID_SOCKET32;
1372 }
1373
1374 if ((sock = socket(af, type, protocol)) >= 0)
1375 {
1376 ws_socket* pnew = wsi_alloc_socket(pwsi, sock);
1377
1378 TRACE(winsock,"\tcreated %i (handle %04x)\n", sock, (UINT16)WS_PTR2HANDLE(pnew));
1379
1380 if( pnew )
1381 {
1382 pnew->flags |= WS_FD_INACTIVE;
1383 return (SOCKET16)WS_PTR2HANDLE(pnew);
1384 }
1385
1386 close(sock);
1387 pwsi->err = WSAENOBUFS;
1388 return INVALID_SOCKET32;
1389 }
1390
1391 if (errno == EPERM) /* raw socket denied */
1392 {
1393 WARN(winsock, "WS_SOCKET: not enough privileges\n");
1394 pwsi->err = WSAESOCKTNOSUPPORT;
1395 } else pwsi->err = wsaErrno();
1396 }
1397
1398 WARN(winsock, "\t\tfailed!\n");
1399 return INVALID_SOCKET32;
1400 }
1401
1402 /***********************************************************************
1403 * socket() (WINSOCK.23)
1404 */
1405 SOCKET16 WINAPI WINSOCK_socket16(INT16 af, INT16 type, INT16 protocol)
1406 {
1407 return (SOCKET16)WINSOCK_socket32( af, type, protocol );
1408 }
1409
1410
1411 /* ----------------------------------- DNS services
1412 *
1413 * IMPORTANT: 16-bit API structures have SEGPTR pointers inside them.
1414 * Also, we have to use wsock32 stubs to convert structures and
1415 * error codes from Unix to WSA, hence there is no direct mapping in
1416 * the relay32/wsock32.spec.
1417 */
1418
1419 static char* NULL_STRING = "NULL";
1420
1421 /***********************************************************************
1422 * gethostbyaddr() (WINSOCK.51)(WSOCK32.51)
1423 */
1424 static struct WIN_hostent* __ws_gethostbyaddr(const char *addr, int len, int type, int dup_flag)
1425 {
1426 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1427
1428 if( pwsi )
1429 {
1430 struct hostent* host;
1431 if( (host = gethostbyaddr(addr, len, type)) != NULL )
1432 if( WS_dup_he(pwsi, host, dup_flag) )
1433 return (struct WIN_hostent*)(pwsi->buffer);
1434 else
1435 pwsi->err = WSAENOBUFS;
1436 else
1437 pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1438 }
1439 return NULL;
1440 }
1441
1442 SEGPTR WINAPI WINSOCK_gethostbyaddr16(const char *addr, INT16 len, INT16 type)
1443 {
1444 struct WIN_hostent* retval;
1445 TRACE(winsock, "ptr %08x, len %d, type %d\n",
1446 (unsigned) addr, len, type);
1447 retval = __ws_gethostbyaddr( addr, len, type, WS_DUP_SEGPTR );
1448 return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1449 }
1450
1451 struct WIN_hostent* WINAPI WINSOCK_gethostbyaddr32(const char *addr, INT32 len,
1452 INT32 type)
1453 {
1454 TRACE(winsock, "ptr %08x, len %d, type %d\n",
1455 (unsigned) addr, len, type);
1456 return __ws_gethostbyaddr(addr, len, type, WS_DUP_LINEAR);
1457 }
1458
1459 /***********************************************************************
1460 * gethostbyname() (WINSOCK.52)(WSOCK32.52)
1461 */
1462 static struct WIN_hostent * __ws_gethostbyname(const char *name, int dup_flag)
1463 {
1464 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1465
1466 if( pwsi )
1467 {
1468 struct hostent* host;
1469 if( (host = gethostbyname(name)) != NULL )
1470 if( WS_dup_he(pwsi, host, dup_flag) )
1471 return (struct WIN_hostent*)(pwsi->buffer);
1472 else pwsi->err = WSAENOBUFS;
1473 else pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1474 }
1475 return NULL;
1476 }
1477
1478 SEGPTR WINAPI WINSOCK_gethostbyname16(const char *name)
1479 {
1480 struct WIN_hostent* retval;
1481 TRACE(winsock, "%s\n", (name)?name:NULL_STRING);
1482 retval = __ws_gethostbyname( name, WS_DUP_SEGPTR );
1483 return (retval)? SEGPTR_GET(retval) : ((SEGPTR)NULL) ;
1484 }
1485
1486 struct WIN_hostent* WINAPI WINSOCK_gethostbyname32(const char* name)
1487 {
1488 TRACE(winsock, "%s\n", (name)?name:NULL_STRING);
1489 return __ws_gethostbyname( name, WS_DUP_LINEAR );
1490 }
1491
1492
1493 /***********************************************************************
1494 * getprotobyname() (WINSOCK.53)(WSOCK32.53)
1495 */
1496 static struct WIN_protoent* __ws_getprotobyname(const char *name, int dup_flag)
1497 {
1498 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1499
1500 if( pwsi )
1501 {
1502 struct protoent* proto;
1503 if( (proto = getprotobyname(name)) != NULL )
1504 if( WS_dup_pe(pwsi, proto, dup_flag) )
1505 return (struct WIN_protoent*)(pwsi->buffer);
1506 else pwsi->err = WSAENOBUFS;
1507 else pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1508 }
1509 return NULL;
1510 }
1511
1512 SEGPTR WINAPI WINSOCK_getprotobyname16(const char *name)
1513 {
1514 struct WIN_protoent* retval;
1515 TRACE(winsock, "%s\n", (name)?name:NULL_STRING);
1516 retval = __ws_getprotobyname(name, WS_DUP_SEGPTR);
1517 return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1518 }
1519
1520 struct WIN_protoent* WINAPI WINSOCK_getprotobyname32(const char* name)
1521 {
1522 TRACE(winsock, "%s\n", (name)?name:NULL_STRING);
1523 return __ws_getprotobyname(name, WS_DUP_LINEAR);
1524 }
1525
1526
1527 /***********************************************************************
1528 * getprotobynumber() (WINSOCK.54)(WSOCK32.54)
1529 */
1530 static struct WIN_protoent* __ws_getprotobynumber(int number, int dup_flag)
1531 {
1532 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1533
1534 if( pwsi )
1535 {
1536 struct protoent* proto;
1537 if( (proto = getprotobynumber(number)) != NULL )
1538 if( WS_dup_pe(pwsi, proto, dup_flag) )
1539 return (struct WIN_protoent*)(pwsi->buffer);
1540 else pwsi->err = WSAENOBUFS;
1541 else pwsi->err = WSANO_DATA;
1542 }
1543 return NULL;
1544 }
1545
1546 SEGPTR WINAPI WINSOCK_getprotobynumber16(INT16 number)
1547 {
1548 struct WIN_protoent* retval;
1549 TRACE(winsock, "%i\n", number);
1550 retval = __ws_getprotobynumber(number, WS_DUP_SEGPTR);
1551 return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1552 }
1553
1554 struct WIN_protoent* WINAPI WINSOCK_getprotobynumber32(INT32 number)
1555 {
1556 TRACE(winsock, "%i\n", number);
1557 return __ws_getprotobynumber(number, WS_DUP_LINEAR);
1558 }
1559
1560
1561 /***********************************************************************
1562 * getservbyname() (WINSOCK.55)(WSOCK32.55)
1563 */
1564 struct WIN_servent* __ws_getservbyname(const char *name, const char *proto, int dup_flag)
1565 {
1566 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1567
1568 if( pwsi )
1569 {
1570 struct servent* serv;
1571 int i = wsi_strtolo( pwsi, name, proto );
1572
1573 if( i )
1574 if( (serv = getservbyname(pwsi->buffer, pwsi->buffer + i)) != NULL )
1575 if( WS_dup_se(pwsi, serv, dup_flag) )
1576 return (struct WIN_servent*)(pwsi->buffer);
1577 else pwsi->err = WSAENOBUFS;
1578 else pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1579 else pwsi->err = WSAENOBUFS;
1580 }
1581 return NULL;
1582 }
1583
1584 SEGPTR WINAPI WINSOCK_getservbyname16(const char *name, const char *proto)
1585 {
1586 struct WIN_servent* retval;
1587 TRACE(winsock, "'%s', '%s'\n",
1588 (name)?name:NULL_STRING, (proto)?proto:NULL_STRING);
1589 retval = __ws_getservbyname(name, proto, WS_DUP_SEGPTR);
1590 return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1591 }
1592
1593 struct WIN_servent* WINAPI WINSOCK_getservbyname32(const char *name, const char *proto)
1594 {
1595 TRACE(winsock, "'%s', '%s'\n",
1596 (name)?name:NULL_STRING, (proto)?proto:NULL_STRING);
1597 return __ws_getservbyname(name, proto, WS_DUP_LINEAR);
1598 }
1599
1600
1601 /***********************************************************************
1602 * getservbyport() (WINSOCK.56)(WSOCK32.56)
1603 */
1604 static struct WIN_servent* __ws_getservbyport(int port, const char* proto, int dup_flag)
1605 {
1606 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1607
1608 if( pwsi )
1609 {
1610 struct servent* serv;
1611 int i = wsi_strtolo( pwsi, proto, NULL );
1612
1613 if( i )
1614 if( (serv = getservbyport(port, pwsi->buffer)) != NULL )
1615 if( WS_dup_se(pwsi, serv, dup_flag) )
1616 return (struct WIN_servent*)(pwsi->buffer);
1617 else pwsi->err = WSAENOBUFS;
1618 else pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1619 else pwsi->err = WSAENOBUFS;
1620 }
1621 return NULL;
1622 }
1623
1624 SEGPTR WINAPI WINSOCK_getservbyport16(INT16 port, const char *proto)
1625 {
1626 struct WIN_servent* retval;
1627 TRACE(winsock, "%i, '%s'\n",
1628 (int)port, (proto)?proto:NULL_STRING);
1629 retval = __ws_getservbyport(port, proto, WS_DUP_SEGPTR);
1630 return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1631 }
1632
1633 struct WIN_servent* WINAPI WINSOCK_getservbyport32(INT32 port, const char *proto)
1634 {
1635 TRACE(winsock, "%i, '%s'\n",
1636 (int)port, (proto)?proto:NULL_STRING);
1637 return __ws_getservbyport(port, proto, WS_DUP_LINEAR);
1638 }
1639
1640
1641 /***********************************************************************
1642 * gethostname() (WSOCK32.57)
1643 */
1644 INT32 WINAPI WINSOCK_gethostname32(char *name, INT32 namelen)
1645 {
1646 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1647
1648 TRACE(winsock, "(%08x): name %s, len %d\n",
1649 (unsigned)pwsi, (name)?name:NULL_STRING, namelen);
1650 if( pwsi )
1651 {
1652 if (gethostname(name, namelen) == 0) return 0;
1653 pwsi->err = (errno == EINVAL) ? WSAEFAULT : wsaErrno();
1654 }
1655 return SOCKET_ERROR;
1656 }
1657
1658 /***********************************************************************
1659 * gethostname() (WINSOCK.57)
1660 */
1661 INT16 WINAPI WINSOCK_gethostname16(char *name, INT16 namelen)
1662 {
1663 return (INT16)WINSOCK_gethostname32(name, namelen);
1664 }
1665
1666
1667 /* ------------------------------------- Windows sockets extensions -- *
1668 * *
1669 * ------------------------------------------------------------------- */
1670
1671
1672 /***********************************************************************
1673 * WSAAsyncGetHostByAddr() (WINSOCK.102)
1674 */
1675 HANDLE16 WINAPI WSAAsyncGetHostByAddr16(HWND16 hWnd, UINT16 uMsg, LPCSTR addr,
1676 INT16 len, INT16 type, SEGPTR sbuf, INT16 buflen)
1677 {
1678 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1679
1680 TRACE(winsock, "(%08x): hwnd %04x, msg %04x, addr %08x[%i]\n",
1681 (unsigned)pwsi, hWnd, uMsg, (unsigned)addr , len );
1682
1683 if( pwsi )
1684 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, type, addr, len,
1685 NULL, (void*)sbuf, buflen, WSMSG_ASYNC_HOSTBYADDR );
1686 return 0;
1687 }
1688
1689 /***********************************************************************
1690 * WSAAsyncGetHostByAddr() (WSOCK32.102)
1691 */
1692 HANDLE32 WINAPI WSAAsyncGetHostByAddr32(HWND32 hWnd, UINT32 uMsg, LPCSTR addr,
1693 INT32 len, INT32 type, LPSTR sbuf, INT32 buflen)
1694 {
1695 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1696
1697 TRACE(winsock, "(%08x): hwnd %04x, msg %08x, addr %08x[%i]\n",
1698 (unsigned)pwsi, (HWND16)hWnd, uMsg, (unsigned)addr , len );
1699
1700 if( pwsi )
1701 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, type, addr, len,
1702 NULL, (void*)sbuf, buflen, WSMSG_ASYNC_HOSTBYADDR | WSMSG_WIN32_AOP);
1703 return 0;
1704 }
1705
1706
1707 /***********************************************************************
1708 * WSAAsyncGetHostByName() (WINSOCK.103)
1709 */
1710 HANDLE16 WINAPI WSAAsyncGetHostByName16(HWND16 hWnd, UINT16 uMsg, LPCSTR name,
1711 SEGPTR sbuf, INT16 buflen)
1712 {
1713 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1714
1715 TRACE(winsock, "(%08x): hwnd %04x, msg %04x, host %s,
1716 buffer %i\n", (unsigned)pwsi, hWnd, uMsg, (name)?name:NULL_STRING, (int)buflen );
1717
1718 if( pwsi )
1719 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, name, 0,
1720 NULL, (void*)sbuf, buflen, WSMSG_ASYNC_HOSTBYNAME );
1721 return 0;
1722 }
1723
1724 /***********************************************************************
1725 * WSAAsyncGetHostByName32() (WSOCK32.103)
1726 */
1727 HANDLE32 WINAPI WSAAsyncGetHostByName32(HWND32 hWnd, UINT32 uMsg, LPCSTR name,
1728 LPSTR sbuf, INT32 buflen)
1729 {
1730 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1731 TRACE(winsock, "(%08x): hwnd %04x, msg %08x, host %s, buffer %i\n",
1732 (unsigned)pwsi, (HWND16)hWnd, uMsg,
1733 (name)?name:NULL_STRING, (int)buflen );
1734 if( pwsi )
1735 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, name, 0,
1736 NULL, (void*)sbuf, buflen, WSMSG_ASYNC_HOSTBYNAME | WSMSG_WIN32_AOP);
1737 return 0;
1738 }
1739
1740
1741 /***********************************************************************
1742 * WSAAsyncGetProtoByName() (WINSOCK.105)
1743 */
1744 HANDLE16 WINAPI WSAAsyncGetProtoByName16(HWND16 hWnd, UINT16 uMsg, LPCSTR name,
1745 SEGPTR sbuf, INT16 buflen)
1746 {
1747 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1748
1749 TRACE(winsock, "(%08x): hwnd %04x, msg %08x, protocol %s\n",
1750 (unsigned)pwsi, (HWND16)hWnd, uMsg, (name)?name:NULL_STRING );
1751
1752 if( pwsi )
1753 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, name, 0,
1754 NULL, (void*)sbuf, buflen, WSMSG_ASYNC_PROTOBYNAME );
1755 return 0;
1756 }
1757
1758 /***********************************************************************
1759 * WSAAsyncGetProtoByName() (WSOCK32.105)
1760 */
1761 HANDLE32 WINAPI WSAAsyncGetProtoByName32(HWND32 hWnd, UINT32 uMsg, LPCSTR name,
1762 LPSTR sbuf, INT32 buflen)
1763 {
1764 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1765
1766 TRACE(winsock, "(%08x): hwnd %04x, msg %08x, protocol %s\n",
1767 (unsigned)pwsi, (HWND16)hWnd, uMsg, (name)?name:NULL_STRING );
1768
1769 if( pwsi )
1770 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, name, 0,
1771 NULL, (void*)sbuf, buflen, WSMSG_ASYNC_PROTOBYNAME | WSMSG_WIN32_AOP);
1772 return 0;
1773 }
1774
1775
1776 /***********************************************************************
1777 * WSAAsyncGetProtoByNumber() (WINSOCK.104)
1778 */
1779 HANDLE16 WINAPI WSAAsyncGetProtoByNumber16(HWND16 hWnd, UINT16 uMsg, INT16 number,
1780 SEGPTR sbuf, INT16 buflen)
1781 {
1782 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1783
1784 TRACE(winsock, "(%08x): hwnd %04x, msg %04x, num %i\n",
1785 (unsigned)pwsi, hWnd, uMsg, number );
1786
1787 if( pwsi )
1788 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, number, NULL, 0,
1789 NULL, (void*)sbuf, buflen, WSMSG_ASYNC_PROTOBYNUM );
1790 return 0;
1791 }
1792
1793 /***********************************************************************
1794 * WSAAsyncGetProtoByNumber() (WSOCK32.104)
1795 */
1796 HANDLE32 WINAPI WSAAsyncGetProtoByNumber32(HWND32 hWnd, UINT32 uMsg, INT32 number,
1797 LPSTR sbuf, INT32 buflen)
1798 {
1799 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1800
1801 TRACE(winsock, "(%08x): hwnd %04x, msg %08x, num %i\n",
1802 (unsigned)pwsi, (HWND16)hWnd, uMsg, number );
1803
1804 if( pwsi )
1805 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, number, NULL, 0,
1806 NULL, (void*)sbuf, buflen, WSMSG_ASYNC_PROTOBYNUM | WSMSG_WIN32_AOP);
1807 return 0;
1808 }
1809
1810
1811 /***********************************************************************
1812 * WSAAsyncGetServByName() (WINSOCK.107)
1813 */
1814 HANDLE16 WINAPI WSAAsyncGetServByName16(HWND16 hWnd, UINT16 uMsg, LPCSTR name,
1815 LPCSTR proto, SEGPTR sbuf, INT16 buflen)
1816 {
1817 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1818
1819 TRACE(winsock, "(%08x): hwnd %04x, msg %04x, name %s, proto %s\n",
1820 (unsigned)pwsi, hWnd, uMsg,
1821 (name)?name:NULL_STRING, (proto)?proto:NULL_STRING );
1822
1823 if( pwsi )
1824 {
1825 int i = wsi_strtolo( pwsi, name, proto );
1826
1827 if( i )
1828 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, pwsi->buffer, 0,
1829 pwsi->buffer + i, (void*)sbuf, buflen, WSMSG_ASYNC_SERVBYNAME );
1830 }
1831 return 0;
1832 }
1833
1834 /***********************************************************************
1835 * WSAAsyncGetServByName() (WSOCK32.107)
1836 */
1837 HANDLE32 WINAPI WSAAsyncGetServByName32(HWND32 hWnd, UINT32 uMsg, LPCSTR name,
1838 LPCSTR proto, LPSTR sbuf, INT32 buflen)
1839 {
1840 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1841
1842 TRACE(winsock, "(%08x): hwnd %04x, msg %08x, name %s, proto %s\n",
1843 (unsigned)pwsi, (HWND16)hWnd, uMsg,
1844 (name)?name:NULL_STRING, (proto)?proto:NULL_STRING );
1845 if( pwsi )
1846 {
1847 int i = wsi_strtolo( pwsi, name, proto );
1848
1849 if( i )
1850 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, 0, pwsi->buffer, 0,
1851 pwsi->buffer + i, (void*)sbuf, buflen, WSMSG_ASYNC_SERVBYNAME | WSMSG_WIN32_AOP);
1852 }
1853 return 0;
1854 }
1855
1856
1857 /***********************************************************************
1858 * WSAAsyncGetServByPort() (WINSOCK.106)
1859 */
1860 HANDLE16 WINAPI WSAAsyncGetServByPort16(HWND16 hWnd, UINT16 uMsg, INT16 port,
1861 LPCSTR proto, SEGPTR sbuf, INT16 buflen)
1862 {
1863 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1864
1865 TRACE(winsock, "(%08x): hwnd %04x, msg %04x, port %i, proto %s\n",
1866 (unsigned)pwsi, hWnd, uMsg, port, (proto)?proto:NULL_STRING );
1867
1868 if( pwsi )
1869 {
1870 int i = wsi_strtolo( pwsi, proto, NULL );
1871
1872 if( i )
1873 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, port, pwsi->buffer, 0,
1874 NULL, (void*)sbuf, buflen, WSMSG_ASYNC_SERVBYPORT );
1875 }
1876 return 0;
1877 }
1878
1879 /***********************************************************************
1880 * WSAAsyncGetServByPort() (WSOCK32.106)
1881 */
1882 HANDLE32 WINAPI WSAAsyncGetServByPort32(HWND32 hWnd, UINT32 uMsg, INT32 port,
1883 LPCSTR proto, LPSTR sbuf, INT32 buflen)
1884 {
1885 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1886
1887 TRACE(winsock, "(%08x): hwnd %04x, msg %08x, port %i, proto %s\n",
1888 (unsigned)pwsi, (HWND16)hWnd, uMsg, port, (proto)?proto:NULL_STRING );
1889
1890 if( pwsi )
1891 {
1892 int i = wsi_strtolo( pwsi, proto, NULL );
1893
1894 if( i )
1895 return __WSAsyncDBQuery(pwsi, hWnd, uMsg, port, pwsi->buffer, 0,
1896 NULL, (void*)sbuf, buflen, WSMSG_ASYNC_SERVBYPORT | WSMSG_WIN32_AOP);
1897 }
1898 return 0;
1899 }
1900
1901
1902 /***********************************************************************
1903 * WSACancelAsyncRequest() (WINSOCK.108)(WSOCK32.109)
1904 */
1905 INT32 WINAPI WSACancelAsyncRequest32(HANDLE32 hAsyncTaskHandle)
1906 {
1907 INT32 retVal = SOCKET_ERROR;
1908 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1909 ws_async_op* p_aop = (ws_async_op*)WS_HANDLE2PTR(hAsyncTaskHandle);
1910
1911 TRACE(winsock, "(%08x): handle %08x\n",
1912 (unsigned)pwsi, hAsyncTaskHandle);
1913 if( pwsi )
1914 {
1915 SIGNAL_MaskAsyncEvents( TRUE ); /* block SIGIO */
1916 if( WINSOCK_cancel_async_op(p_aop) )
1917 {
1918 WS_FREE(p_aop);
1919 pwsi->num_async_rq--;
1920 retVal = 0;
1921 }
1922 else pwsi->err = WSAEINVAL;
1923 SIGNAL_MaskAsyncEvents( FALSE );
1924 }
1925 return retVal;
1926 }
1927
1928 INT16 WINAPI WSACancelAsyncRequest16(HANDLE16 hAsyncTaskHandle)
1929 {
1930 return (HANDLE16)WSACancelAsyncRequest32((HANDLE32)hAsyncTaskHandle);
1931 }
1932
1933 /***********************************************************************
1934 * WSAAsyncSelect() (WINSOCK.101)(WSOCK32.101)
1935 */
1936
1937 static ws_select_op* __ws_select_list = NULL;
1938
1939 BOOL32 WINSOCK_HandleIO( int* max_fd, int num_pending,
1940 fd_set pending_set[3], fd_set event_set[3] )
1941 {
1942 /* This function is called by the event dispatcher
1943 * with the pending_set[] containing the result of select() and
1944 * the event_set[] containing all fd that are being watched */
1945
1946 ws_select_op* psop = __ws_select_list;
1947 BOOL32 bPost = FALSE;
1948 DWORD dwEvent, dwErrBytes;
1949 int num_posted;
1950
1951 TRACE(winsock,"%i pending descriptors\n", num_pending );
1952
1953 for( num_posted = dwEvent = 0 ; psop; psop = psop->next )
1954 {
1955 unsigned flags = psop->pws->flags;
1956 int fd = psop->pws->fd;
1957 int r, w, e;
1958
1959 w = 0;
1960 if( (r = FD_ISSET( fd, &pending_set[EVENT_IO_READ] )) ||
1961 (w = FD_ISSET( fd, &pending_set[EVENT_IO_WRITE] )) ||
1962 (e = FD_ISSET( fd, &pending_set[EVENT_IO_EXCEPT] )) )
1963 {
1964 /* This code removes WS_FD flags on one-shot events (WS_FD_CLOSE,
1965 * WS_FD_CONNECT), otherwise it clears descriptors in the io_set.
1966 * Reenabling calls turn them back on.
1967 */
1968
1969 TRACE(winsock,"\tchecking psop = 0x%08x\n", (unsigned) psop );
1970
1971 num_pending--;
1972
1973 /* Now figure out what kind of event we've got. The worst problem
1974 * we have to contend with is that some out of control applications
1975 * really want to use mutually exclusive AsyncSelect() flags all at
1976 * the same time.
1977 */
1978
1979 if((flags & WS_FD_ACCEPT) && (flags & WS_FD_LISTENING))
1980 {
1981 /* WS_FD_ACCEPT is valid only if the socket is in the
1982 * listening state */
1983
1984 FD_CLR( fd, &event_set[EVENT_IO_WRITE] );
1985 if( r )
1986 {
1987 FD_CLR( fd, &event_set[EVENT_IO_READ] ); /* reenabled by the next accept() */
1988 dwEvent = WSAMAKESELECTREPLY( WS_FD_ACCEPT, 0 );
1989 bPost = TRUE;
1990 }
1991 else continue;
1992 }
1993 else if( flags & WS_FD_CONNECT )
1994 {
1995 /* connecting socket */
1996
1997 if( w || (w = FD_ISSET( fd, &pending_set[EVENT_IO_WRITE] )) )
1998 {
1999 /* ready to write means that socket is connected
2000 *
2001 * FIXME: Netscape calls AsyncSelect( s, ... WS_FD_CONNECT .. )
2002 * right after s = socket() and somehow "s" becomes writeable
2003 * before it goes through connect()!?!?
2004 */
2005
2006 psop->pws->flags |= WS_FD_CONNECTED;
2007 psop->pws->flags &= ~(WS_FD_CONNECT | WS_FD_INACTIVE);
2008 dwEvent = WSAMAKESELECTREPLY( WS_FD_CONNECT, 0 );
2009
2010 if( flags & (WS_FD_READ | WS_FD_CLOSE))
2011 FD_SET( fd, &event_set[EVENT_IO_READ] );
2012 else
2013 FD_CLR( fd, &event_set[EVENT_IO_READ] );
2014 if( flags & WS_FD_WRITE )
2015 FD_SET( fd, &event_set[EVENT_IO_WRITE] );
2016 else
2017 FD_CLR( fd, &event_set[EVENT_IO_WRITE] );
2018 bPost = TRUE;
2019 }
2020 else if( r )
2021 {
2022 /* failure - do read() to get correct errno */
2023
2024 if( read( fd, &dwErrBytes, sizeof(dwErrBytes) ) == -1 )
2025 {
2026 dwEvent = WSAMAKESELECTREPLY( WS_FD_CONNECT, wsaErrno() );
2027 bPost = TRUE;
2028 }
2029 }
2030 /* otherwise bPost stays FALSE, should probably clear event_set */
2031 }
2032 else
2033 {
2034 /* connected socket, no WS_FD_OOB code for now. */
2035
2036 if( flags & WS_FD_WRITE &&
2037 (w || (w = FD_ISSET( fd, &pending_set[EVENT_IO_WRITE] ))) )
2038 {
2039 /* this will be reenabled when send() or sendto() fail with
2040 * WSAEWOULDBLOCK */
2041
2042 if( PostMessage32A( psop->hWnd, psop->uMsg, (WPARAM32)WS_PTR2HANDLE(psop->pws),
2043 (LPARAM)WSAMAKESELECTREPLY( WS_FD_WRITE, 0 ) ) )
2044 {
2045 TRACE(winsock, "\t hwnd %04x - %04x, %08x\n",
2046 psop->hWnd, psop->uMsg, (unsigned)MAKELONG(WS_FD_WRITE, 0) );
2047 FD_CLR( fd, &event_set[EVENT_IO_WRITE] );
2048 num_posted++;
2049 }
2050 }
2051
2052 if( r && (flags & (WS_FD_READ | WS_FD_CLOSE)) )
2053 {
2054 int val = (flags & WS_FD_RAW);
2055
2056 /* WS_FD_RAW is set by the WSAAsyncSelect() init */
2057
2058 bPost = TRUE;
2059 if( !val && ioctl( fd, FIONREAD, (char*)&dwErrBytes) == -1 )
2060 {
2061 /* weirdness */
2062
2063 dwEvent = WSAMAKESELECTREPLY( WS_FD_READ, wsaErrno() );
2064 }
2065 else if( val || dwErrBytes )
2066 {
2067 /* got pending data, will be reenabled by recv() or recvfrom() */
2068
2069 FD_CLR( fd, &event_set[EVENT_IO_READ] );
2070 dwEvent = WSAMAKESELECTREPLY( WS_FD_READ, 0 );
2071 }
2072 else
2073 {
2074 /* 0 bytes to read - connection reset by peer? */
2075
2076 do
2077 val = read( fd, (char*)&dwErrBytes, sizeof(dwErrBytes));
2078 while( errno == EINTR );
2079 if( errno != EWOULDBLOCK )
2080 {
2081 switch( val )
2082 {
2083 case 0: errno = ENETDOWN; /* soft reset, fall through */
2084 case -1: /* hard reset */
2085 dwEvent = WSAMAKESELECTREPLY( WS_FD_CLOSE, wsaErrno() );
2086 break;
2087
2088 default: bPost = FALSE;
2089 continue; /* FIXME: this is real bad */
2090 }
2091 }
2092 else { bPost = FALSE; continue; } /* more weirdness */
2093
2094 /* this is it, this socket is closed */
2095
2096 psop->pws->flags &= ~(WS_FD_READ | WS_FD_CLOSE | WS_FD_WRITE);
2097 FD_CLR( fd, &event_set[EVENT_IO_READ] );
2098 FD_CLR( fd, &event_set[EVENT_IO_WRITE] );
2099
2100 if( *max_fd == (fd + 1) ) (*max_fd)--;
2101 }
2102 }
2103 }
2104
2105 if( bPost )
2106 {
2107 TRACE(winsock, "\t hwnd %04x - %04x, %08x\n",
2108 psop->hWnd, psop->uMsg, (unsigned)dwEvent );
2109 PostMessage32A( psop->hWnd, psop->uMsg,
2110 (WPARAM32)WS_PTR2HANDLE(psop->pws), (LPARAM)dwEvent );
2111 bPost = FALSE;
2112 num_posted++;
2113 }
2114 }
2115 if( num_pending <= 0 ) break;
2116 }
2117
2118 TRACE(winsock, "\tdone, %i posted events\n", num_posted );
2119 return ( num_posted ) ? TRUE : FALSE;
2120 }
2121
2122 INT32 WINAPI WSAAsyncSelect32(SOCKET32 s, HWND32 hWnd, UINT32 uMsg, UINT32 lEvent)
2123 {
2124 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
2125 LPWSINFO pwsi = wsi_find(GetCurrentTask());
2126
2127 TRACE(winsock, "(%08x): %04x, hWnd %04x, uMsg %08x, event %08x\n",
2128 (unsigned)pwsi, (SOCKET16)s, (HWND16)hWnd, uMsg, (unsigned)lEvent );
2129 if( _check_ws(pwsi, pws) )
2130 {
2131 ws_select_op* psop;
2132
2133 if( (psop = pws->psop) )
2134 {
2135 /* delete previous control struct */
2136
2137 if( psop == __ws_select_list )
2138 __ws_select_list = psop->next;
2139 else
2140 psop->prev->next = psop->next;
2141 if( psop->next ) psop->next->prev = psop->prev;
2142
2143 if( pws->flags & (WS_FD_ACCEPT | WS_FD_CONNECT | WS_FD_READ | WS_FD_CLOSE) )
2144 EVENT_DeleteIO( pws->fd, EVENT_IO_READ );
2145 if( pws->flags & (WS_FD_CONNECT | WS_FD_WRITE) )
2146 EVENT_DeleteIO( pws->fd, EVENT_IO_WRITE );
2147
2148 TRACE(winsock,"\tremoving psop = 0x%08x\n", (unsigned) psop );
2149
2150 WS_FREE( pws->psop );
2151 pws->flags &= ~(WS_FD_RAW | WS_FD_ACCEPT | WS_FD_CONNECT |
2152 WS_FD_READ | WS_FD_WRITE | WS_FD_CLOSE);
2153 pws->psop = NULL;
2154 }
2155
2156 if( lEvent )
2157 {
2158 psop = (ws_select_op*)WS_ALLOC(sizeof(ws_select_op));
2159 if( psop )
2160 {
2161 int sock_type, bytes = sizeof(int);
2162
2163 WINSOCK_unblock_io( pws->fd, TRUE );
2164
2165 psop->prev = NULL;
2166 psop->next = __ws_select_list;
2167 if( __ws_select_list )
2168 __ws_select_list->prev = psop;
2169 __ws_select_list = psop;
2170
2171 psop->pws = pws;
2172 psop->hWnd = hWnd;
2173 psop->uMsg = uMsg;
2174
2175 pws->psop = psop;
2176 pws->flags |= (0x0000FFFF & lEvent);
2177 getsockopt(pws->fd, SOL_SOCKET, SO_TYPE, &sock_type, &bytes);
2178 if( sock_type == SOCK_RAW ) pws->flags |= WS_FD_RAW;
2179
2180 if( lEvent & (WS_FD_ACCEPT | WS_FD_CONNECT | WS_FD_READ | WS_FD_CLOSE) )
2181 EVENT_AddIO( pws->fd, EVENT_IO_READ );
2182 if( lEvent & (WS_FD_CONNECT | WS_FD_WRITE) )
2183 EVENT_AddIO( pws->fd, EVENT_IO_WRITE );
2184
2185 /* TODO: handle WS_FD_ACCEPT right away if the socket is readable */
2186
2187 TRACE(winsock,"\tcreating psop = 0x%08x\n", (unsigned)psop );
2188
2189 return 0; /* success */
2190 }
2191 else pwsi->err = WSAENOBUFS;
2192 }
2193 else return 0;
2194 }
2195 else if( pwsi ) pwsi->err = WSAEINVAL;
2196 return SOCKET_ERROR;
2197 }
2198
2199 INT16 WINAPI WSAAsyncSelect16(SOCKET16 s, HWND16 hWnd, UINT16 wMsg, UINT32 lEvent)
2200 {
2201 return (INT16)WSAAsyncSelect32( s, hWnd, wMsg, lEvent );
2202 }
2203
2204
2205 /***********************************************************************
2206 * __WSAFDIsSet() (WINSOCK.151)
2207 */
2208 INT16 WINAPI __WSAFDIsSet16(SOCKET16 s, ws_fd_set16 *set)
2209 {
2210 int i = set->fd_count;
2211
2212 TRACE(winsock, "(%d,%8lx(%i))\n", s,(unsigned long)set, i);
2213
2214 while (i--)
2215 if (set->fd_array[i] == s) return 1;
2216 return 0;
2217 }
2218
2219 /***********************************************************************
2220 * __WSAFDIsSet() (WSOCK32.151)
2221 */
2222 INT32 WINAPI __WSAFDIsSet32(SOCKET32 s, ws_fd_set32 *set)
2223 {
2224 int i = set->fd_count;
2225
2226 TRACE(winsock, "(%d,%8lx(%i))\n", s,(unsigned long)set, i);
2227
2228 while (i--)
2229 if (set->fd_array[i] == s) return 1;
2230 return 0;
2231 }
2232
2233 /***********************************************************************
2234 * WSAIsBlocking() (WINSOCK.114)(WSOCK32.114)
2235 */
2236 BOOL32 WINAPI WSAIsBlocking(void)
2237 {
2238 /* By default WinSock should set all its sockets to non-blocking mode
2239 * and poll in PeekMessage loop when processing "blocking" ones. This
2240 * function is supposed to tell if the program is in this loop. Our
2241 * blocking calls are truly blocking so we always return FALSE.
2242 *
2243 * Note: It is allowed to call this function without prior WSAStartup().
2244 */
2245
2246 TRACE(winsock, "\n");
2247 return FALSE;
2248 }
2249
2250 /***********************************************************************
2251 * WSACancelBlockingCall() (WINSOCK.113)(WSOCK32.113)
2252 */
2253 INT32 WINAPI WSACancelBlockingCall(void)
2254 {
2255 LPWSINFO pwsi = wsi_find(GetCurrentTask());
2256
2257 TRACE(winsock, "(%08x)\n", (unsigned)pwsi);
2258
2259 if( pwsi ) return 0;
2260 return SOCKET_ERROR;
2261 }
2262
2263
2264 /***********************************************************************
2265 * WSASetBlockingHook16() (WINSOCK.109)
2266 */
2267 FARPROC16 WINAPI WSASetBlockingHook16(FARPROC16 lpBlockFunc)
2268 {
2269 FARPROC16 prev;
2270 LPWSINFO pwsi = wsi_find(GetCurrentTask());
2271
2272 TRACE(winsock, "(%08x): hook %08x\n",
2273 (unsigned)pwsi, (unsigned) lpBlockFunc);
2274 if( pwsi )
2275 {
2276 prev = (FARPROC16)pwsi->blocking_hook;
2277 pwsi->blocking_hook = (DWORD)lpBlockFunc;
2278 pwsi->flags &= ~WSI_BLOCKINGHOOK32;
2279 return prev;
2280 }
2281 return 0;
2282 }
2283
2284
2285 /***********************************************************************
2286 * WSASetBlockingHook32()
2287 */
2288 FARPROC32 WINAPI WSASetBlockingHook32(FARPROC32 lpBlockFunc)
2289 {
2290 FARPROC32 prev;
2291 LPWSINFO pwsi = wsi_find(GetCurrentTask());
2292
2293 TRACE(winsock, "(%08x): hook %08x\n",
2294 (unsigned)pwsi, (unsigned) lpBlockFunc);
2295 if( pwsi ) {
2296 prev = (FARPROC32)pwsi->blocking_hook;
2297 pwsi->blocking_hook = (DWORD)lpBlockFunc;
2298 pwsi->flags |= WSI_BLOCKINGHOOK32;
2299 return prev;
2300 }
2301 return NULL;
2302 }
2303
2304
2305 /***********************************************************************
2306 * WSAUnhookBlockingHook16() (WINSOCK.110)
2307 */
2308 INT16 WINAPI WSAUnhookBlockingHook16(void)
2309 {
2310 LPWSINFO pwsi = wsi_find(GetCurrentTask());
2311
2312 TRACE(winsock, "(%08x)\n", (unsigned)pwsi);
2313 if( pwsi ) return (INT16)(pwsi->blocking_hook = 0);
2314 return SOCKET_ERROR;
2315 }
2316
2317
2318 /***********************************************************************
2319 * WSAUnhookBlockingHook32()
2320 */
2321 INT32 WINAPI WSAUnhookBlockingHook32(void)
2322 {
2323 LPWSINFO pwsi = wsi_find(GetCurrentTask());
2324
2325 TRACE(winsock, "(%08x)\n", (unsigned)pwsi);
2326 if( pwsi )
2327 {
2328 pwsi->blocking_hook = 0;
2329 pwsi->flags &= ~WSI_BLOCKINGHOOK32;
2330 return 0;
2331 }
2332 return SOCKET_ERROR;
2333 }
2334
2335 /*
2336 * TCP/IP action codes.
2337 */
2338
2339
2340 #define WSCNTL_TCPIP_QUERY_INFO 0x00000000
2341 #define WSCNTL_TCPIP_SET_INFO 0x00000001
2342 #define WSCNTL_TCPIP_ICMP_ECHO 0x00000002
2343 #define WSCNTL_TCPIP_TEST 0x00000003
2344
2345
2346 /***********************************************************************
2347 * WsControl()
2348 *
2349 * WsControl seems to be an undocumented Win95 function. A lot of
2350 * discussion about WsControl can be found on the net, e.g.
2351 * Subject: Re: WSOCK32.DLL WsControl Exported Function
2352 * From: "Peter Rindfuss" <rindfuss-s@medea.wz-berlin.de>
2353 * Date: 1997/08/17
2354 */
2355
2356 DWORD WINAPI WsControl(DWORD protocoll,DWORD action,
2357 LPVOID inbuf,LPDWORD inbuflen,
2358 LPVOID outbuf,LPDWORD outbuflen)
2359 {
2360
2361 switch (action) {
2362 case WSCNTL_TCPIP_ICMP_ECHO:
2363 {
2364 unsigned int addr = *(unsigned int*)inbuf;
2365 #if 0
2366 int timeout= *(unsigned int*)(inbuf+4);
2367 short x1 = *(unsigned short*)(inbuf+8);
2368 short sendbufsize = *(unsigned short*)(inbuf+10);
2369 char x2 = *(unsigned char*)(inbuf+12);
2370 char ttl = *(unsigned char*)(inbuf+13);
2371 char service = *(unsigned char*)(inbuf+14);
2372 char type= *(unsigned char*)(inbuf+15); /* 0x2: don't fragment*/
2373 #endif
2374
2375 FIXME(winsock,"(ICMP_ECHO) to 0x%08x stub \n", addr);
2376 break;
2377 }
2378 default:
2379 FIXME(winsock,"(%lx,%lx,%p,%p,%p,%p) stub\n",
2380 protocoll,action,inbuf,inbuflen,outbuf,outbuflen);
2381 }
2382 return FALSE;
2383 }
2384 /*********************************************************
2385 * WS_s_perror WSOCK32.1108
2386 */
2387 void WINAPI WS_s_perror(LPCSTR message)
2388 {
2389 FIXME(winsock,"(%s): stub\n",message);
2390 return;
2391 }
2392
2393
2394 /* ----------------------------------- end of API stuff */
2395
2396 /* ----------------------------------- helper functions -
2397 *
2398 * TODO: Merge WS_dup_..() stuff into one function that
2399 * would operate with a generic structure containing internal
2400 * pointers (via a template of some kind).
2401 */
2402
2403 static int list_size(char** l, int item_size)
2404 {
2405 int i,j = 0;
2406 if(l)
2407 { for(i=0;l[i];i++)
2408 j += (item_size) ? item_size : strlen(l[i]) + 1;
2409 j += (i + 1) * sizeof(char*); }
2410 return j;
2411 }
2412
2413 static int list_dup(char** l_src, char* ref, char* base, int item_size)
2414 {
2415 /* base is either either equal to ref or 0 or SEGPTR */
2416
2417 char* p = ref;
2418 char** l_to = (char**)ref;
2419 int i,j,k;
2420
2421 for(j=0;l_src[j];j++) ;
2422 p += (j + 1) * sizeof(char*);
2423 for(i=0;i<j;i++)
2424 { l_to[i] = base + (p - ref);
2425 k = ( item_size ) ? item_size : strlen(l_src[i]) + 1;
2426 memcpy(p, l_src[i], k); p += k; }
2427 l_to[i] = NULL;
2428 return (p - ref);
2429 }
2430
2431 /* ----- hostent */
2432
2433 static int hostent_size(struct hostent* p_he)
2434 {
2435 int size = 0;
2436 if( p_he )
2437 { size = sizeof(struct hostent);
2438 size += strlen(p_he->h_name) + 1;
2439 size += list_size(p_he->h_aliases, 0);
2440 size += list_size(p_he->h_addr_list, p_he->h_length ); }
2441 return size;
2442 }
2443
2444 int WS_dup_he(LPWSINFO pwsi, struct hostent* p_he, int flag)
2445 {
2446 /* Convert hostent structure into ws_hostent so that the data fits
2447 * into pwsi->buffer. Internal pointers can be linear, SEGPTR, or
2448 * relative to pwsi->buffer depending on "flag" value. Returns size
2449 * of the data copied (also in the pwsi->buflen).
2450 */
2451
2452 int size = hostent_size(p_he);
2453 if( size )
2454 {
2455 struct ws_hostent* p_to;
2456 char* p_name,*p_aliases,*p_addr,*p_base,*p;
2457
2458 _check_buffer(pwsi, size);
2459 p_to = (struct ws_hostent*)pwsi->buffer;
2460 p = pwsi->buffer;
2461 p_base = (flag & WS_DUP_OFFSET) ? NULL
2462 : ((flag & WS_DUP_SEGPTR) ? (char*)SEGPTR_GET(p) : p);
2463 p += sizeof(struct ws_hostent);
2464 p_name = p;
2465 strcpy(p, p_he->h_name); p += strlen(p) + 1;
2466 p_aliases = p;
2467 p += list_dup(p_he->h_aliases, p, p_base + (p - pwsi->buffer), 0);
2468 p_addr = p;
2469 list_dup(p_he->h_addr_list, p, p_base + (p - pwsi->buffer), p_he->h_length);
2470
2471 p_to->h_addrtype = (INT16)p_he->h_addrtype;
2472 p_to->h_length = (INT16)p_he->h_length;
2473 p_to->h_name = (SEGPTR)(p_base + (p_name - pwsi->buffer));
2474 p_to->h_aliases = (SEGPTR)(p_base + (p_aliases - pwsi->buffer));
2475 p_to->h_addr_list = (SEGPTR)(p_base + (p_addr - pwsi->buffer));
2476
2477 size += (sizeof(struct ws_hostent) - sizeof(struct hostent));
2478 }
2479 return size;
2480 }
2481
2482 /* ----- protoent */
2483
2484 static int protoent_size(struct protoent* p_pe)
2485 {
2486 int size = 0;
2487 if( p_pe )
2488 { size = sizeof(struct protoent);
2489 size += strlen(p_pe->p_name) + 1;
2490 size += list_size(p_pe->p_aliases, 0); }
2491 return size;
2492 }
2493
2494 int WS_dup_pe(LPWSINFO pwsi, struct protoent* p_pe, int flag)
2495 {
2496 int size = protoent_size(p_pe);
2497 if( size )
2498 {
2499 struct ws_protoent* p_to;
2500 char* p_name,*p_aliases,*p_base,*p;
2501
2502 _check_buffer(pwsi, size);
2503 p_to = (struct ws_protoent*)pwsi->buffer;
2504 p = pwsi->buffer;
2505 p_base = (flag & WS_DUP_OFFSET) ? NULL
2506 : ((flag & WS_DUP_SEGPTR) ? (char*)SEGPTR_GET(p) : p);
2507 p += sizeof(struct ws_protoent);
2508 p_name = p;
2509 strcpy(p, p_pe->p_name); p += strlen(p) + 1;
2510 p_aliases = p;
2511 list_dup(p_pe->p_aliases, p, p_base + (p - pwsi->buffer), 0);
2512
2513 p_to->p_proto = (INT16)p_pe->p_proto;
2514 p_to->p_name = (SEGPTR)(p_base) + (p_name - pwsi->buffer);
2515 p_to->p_aliases = (SEGPTR)((p_base) + (p_aliases - pwsi->buffer));
2516
2517 size += (sizeof(struct ws_protoent) - sizeof(struct protoent));
2518 }
2519 return size;
2520 }
2521
2522 /* ----- servent */
2523
2524 static int servent_size(struct servent* p_se)
2525 {
2526 int size = 0;
2527 if( p_se )
2528 { size += sizeof(struct servent);
2529 size += strlen(p_se->s_proto) + strlen(p_se->s_name) + 2;
2530 size += list_size(p_se->s_aliases, 0); }
2531 return size;
2532 }
2533
2534 int WS_dup_se(LPWSINFO pwsi, struct servent* p_se, int flag)
2535 {
2536 int size = servent_size(p_se);
2537 if( size )
2538 {
2539 struct ws_servent* p_to;
2540 char* p_name,*p_aliases,*p_proto,*p_base,*p;
2541
2542 _check_buffer(pwsi, size);
2543 p_to = (struct ws_servent*)pwsi->buffer;
2544 p = pwsi->buffer;
2545 p_base = (flag & WS_DUP_OFFSET) ? NULL
2546 : ((flag & WS_DUP_SEGPTR) ? (char*)SEGPTR_GET(p) : p);
2547 p += sizeof(struct ws_servent);
2548 p_name = p;
2549 strcpy(p, p_se->s_name); p += strlen(p) + 1;
2550 p_proto = p;
2551 strcpy(p, p_se->s_proto); p += strlen(p) + 1;
2552 p_aliases = p;
2553 list_dup(p_se->s_aliases, p, p_base + (p - pwsi->buffer), 0);
2554
2555 p_to->s_port = (INT16)p_se->s_port;
2556 p_to->s_name = (SEGPTR)(p_base + (p_name - pwsi->buffer));
2557 p_to->s_proto = (SEGPTR)(p_base + (p_proto - pwsi->buffer));
2558 p_to->s_aliases = (SEGPTR)(p_base + (p_aliases - pwsi->buffer));
2559
2560 size += (sizeof(struct ws_servent) - sizeof(struct servent));
2561 }
2562 return size;
2563 }
2564
2565 /* ----------------------------------- error handling */
2566
2567 UINT16 wsaErrno(void)
2568 {
2569 int loc_errno = errno;
2570 #ifdef HAVE_STRERROR
2571 WARN(winsock, "errno %d, (%s).\n", loc_errno, strerror(loc_errno));
2572 #else
2573 WARN(winsock, "errno %d\n", loc_errno);
2574 #endif
2575
2576 switch(loc_errno)
2577 {
2578 case EINTR: return WSAEINTR;
2579 case EBADF: return WSAEBADF;
2580 case EACCES: return WSAEACCES;
2581 case EFAULT: return WSAEFAULT;
2582 case EINVAL: return WSAEINVAL;
2583 case EMFILE: return WSAEMFILE;
2584 case EWOULDBLOCK: return WSAEWOULDBLOCK;
2585 case EINPROGRESS: return WSAEINPROGRESS;
2586 case EALREADY: return WSAEALREADY;
2587 case ENOTSOCK: return WSAENOTSOCK;
2588 case EDESTADDRREQ: return WSAEDESTADDRREQ;
2589 case EMSGSIZE: return WSAEMSGSIZE;
2590 case EPROTOTYPE: return WSAEPROTOTYPE;
2591 case ENOPROTOOPT: return WSAENOPROTOOPT;
2592 case EPROTONOSUPPORT: return WSAEPROTONOSUPPORT;
2593 case ESOCKTNOSUPPORT: return WSAESOCKTNOSUPPORT;
2594 case EOPNOTSUPP: return WSAEOPNOTSUPP;
2595 case EPFNOSUPPORT: return WSAEPFNOSUPPORT;
2596 case EAFNOSUPPORT: return WSAEAFNOSUPPORT;
2597 case EADDRINUSE: return WSAEADDRINUSE;
2598 case EADDRNOTAVAIL: return WSAEADDRNOTAVAIL;
2599 case ENETDOWN: return WSAENETDOWN;
2600 case ENETUNREACH: return WSAENETUNREACH;
2601 case ENETRESET: return WSAENETRESET;
2602 case ECONNABORTED: return WSAECONNABORTED;
2603 case EPIPE:
2604 case ECONNRESET: return WSAECONNRESET;
2605 case ENOBUFS: return WSAENOBUFS;
2606 case EISCONN: return WSAEISCONN;
2607 case ENOTCONN: return WSAENOTCONN;
2608 case ESHUTDOWN: return WSAESHUTDOWN;
2609 case ETOOMANYREFS: return WSAETOOMANYREFS;
2610 case ETIMEDOUT: return WSAETIMEDOUT;
2611 case ECONNREFUSED: return WSAECONNREFUSED;
2612 case ELOOP: return WSAELOOP;
2613 case ENAMETOOLONG: return WSAENAMETOOLONG;
2614 case EHOSTDOWN: return WSAEHOSTDOWN;
2615 case EHOSTUNREACH: return WSAEHOSTUNREACH;
2616 case ENOTEMPTY: return WSAENOTEMPTY;
2617 #ifdef EPROCLIM
2618 case EPROCLIM: return WSAEPROCLIM;
2619 #endif
2620 #ifdef EUSERS
2621 case EUSERS: return WSAEUSERS;
2622 #endif
2623 #ifdef EDQUOT
2624 case EDQUOT: return WSAEDQUOT;
2625 #endif
2626 #ifdef ESTALE
2627 case ESTALE: return WSAESTALE;
2628 #endif
2629 #ifdef EREMOTE
2630 case EREMOTE: return WSAEREMOTE;
2631 #endif
2632
2633 /* just in case we ever get here and there are no problems */
2634 case 0: return 0;
2635 default:
2636 WARN(winsock, "Unknown errno %d!\n", loc_errno);
2637 return WSAEOPNOTSUPP;
2638 }
2639 }
2640
2641 UINT16 wsaHerrno(void)
2642 {
2643 int loc_errno = h_errno;
2644
2645 WARN(winsock, "h_errno %d.\n", loc_errno);
2646
2647 switch(loc_errno)
2648 {
2649 case HOST_NOT_FOUND: return WSAHOST_NOT_FOUND;
2650 case TRY_AGAIN: return WSATRY_AGAIN;
2651 case NO_RECOVERY: return WSANO_RECOVERY;
2652 case NO_DATA: return WSANO_DATA;
2653
2654 case 0: return 0;
2655 default:
2656 WARN(winsock,"Unknown h_errno %d!\n", loc_errno);
2657 return WSAEOPNOTSUPP;
2658 }
2659 }
GSOC 2012 project to enhance the control panel