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Authors: Chris Morgan <cmorgan@wpi.edu>, James Abbatiello <abbejy@wpi.edu>
[wine/multimedia.git] / misc / winsock.c
blobafc739eee1d28c10a2bb994d99c1b12e03f460a8
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 <sys/types.h>
17 #include <sys/ipc.h>
18 #include <sys/ioctl.h>
19 #ifdef HAVE_SYS_FILIO_H
20 # include <sys/filio.h>
21 #endif
22 #if defined(__svr4__) || defined(__sun)
23 #include <sys/ioccom.h>
24 #include <sys/sockio.h>
25 #endif
26
27 #if defined(__EMX__)
28 # include <sys/so_ioctl.h>
29 #endif
30
31 #ifdef HAVE_SYS_PARAM_H
32 # include <sys/param.h>
33 #endif
34
35 #include <sys/msg.h>
36 #include <sys/wait.h>
37 #include <sys/socket.h>
38 #include <netinet/in.h>
39 #include <arpa/inet.h>
40 #include <ctype.h>
41 #include <fcntl.h>
42 #include <errno.h>
43 #include <sys/errno.h>
44 #include <netdb.h>
45 #include <unistd.h>
46 #include <stdlib.h>
47 #ifdef HAVE_ARPA_NAMESER_H
48 # include <arpa/nameser.h>
49 #endif
50 #ifdef HAVE_RESOLV_H
51 # include <resolv.h>
52 #endif
53
54 #include "wine/winbase16.h"
55 #include "winsock.h"
56 #include "winnt.h"
57 #include "heap.h"
58 #include "task.h"
59 #include "message.h"
60 #include "miscemu.h"
61 #include "debug.h"
62
63 DEFAULT_DEBUG_CHANNEL(winsock)
64
65 #define DEBUG_SOCKADDR 0
66 #define dump_sockaddr(a) \
67 DUMP("sockaddr_in: family %d, address %s, port %d\n", \
68 ((struct sockaddr_in *)a)->sin_family, \
69 inet_ntoa(((struct sockaddr_in *)a)->sin_addr), \
70 ntohs(((struct sockaddr_in *)a)->sin_port))
71
72 #pragma pack(4)
73
74 /* ----------------------------------- internal data */
75
76 static HANDLE _WSHeap = 0;
77 static unsigned char* _ws_stub = NULL;
78 static LPWSINFO _wsi_list = NULL;
79
80 #define WS_ALLOC(size) \
81 HeapAlloc(_WSHeap, HEAP_ZERO_MEMORY, (size) )
82 #define WS_FREE(ptr) \
83 HeapFree(_WSHeap, 0, (ptr) )
84
85 #define WS_PTR2HANDLE(ptr) \
86 ((short)((int)(ptr) - (int)_ws_stub))
87 #define WS_HANDLE2PTR(handle) \
88 ((unsigned)((int)_ws_stub + (int)(handle)))
89
90 #define WSI_CHECK_RANGE(pwsi, pws) \
91 ( ((unsigned)(pws) > (unsigned)(pwsi)) && \
92 ((unsigned)(pws) < ((unsigned)(pwsi) + sizeof(WSINFO))) )
93
94 static INT _ws_sock_ops[] =
95 { WS_SO_DEBUG, WS_SO_REUSEADDR, WS_SO_KEEPALIVE, WS_SO_DONTROUTE,
96 WS_SO_BROADCAST, WS_SO_LINGER, WS_SO_OOBINLINE, WS_SO_SNDBUF,
97 WS_SO_RCVBUF, WS_SO_ERROR, WS_SO_TYPE, WS_SO_DONTLINGER,
98 #ifdef SO_RCVTIMEO
99 WS_SO_RCVTIMEO,
100 #endif
101 0 };
102 static int _px_sock_ops[] =
103 { SO_DEBUG, SO_REUSEADDR, SO_KEEPALIVE, SO_DONTROUTE, SO_BROADCAST,
104 SO_LINGER, SO_OOBINLINE, SO_SNDBUF, SO_RCVBUF, SO_ERROR, SO_TYPE,
105 SO_LINGER,
106 #ifdef SO_RCVTIMEO
107 SO_RCVTIMEO,
108 #endif
109 };
110
111 static INT _ws_tcp_ops[] = {
112 #ifdef TCP_NODELAY
113 WS_TCP_NODELAY,
114 #endif
115 0
116 };
117 static int _px_tcp_ops[] = {
118 #ifdef TCP_NODELAY
119 TCP_NODELAY,
120 #endif
121 0
122 };
123
124 static int _check_ws(LPWSINFO pwsi, ws_socket* pws);
125 static char* _check_buffer(LPWSINFO pwsi, int size);
126
127 /* ----------------------------------- non-blocking I/O */
128
129 static int WINSOCK_unblock_io(int fd, int noblock)
130 {
131 int fd_flags;
132
133 fd_flags = fcntl(fd, F_GETFL, 0);
134 if (fcntl(fd, F_SETFL, (noblock)? fd_flags | O_NONBLOCK
135 : fd_flags & ~O_NONBLOCK ) != -1) return 0;
136 return -1;
137 }
138
139 /***********************************************************************
140 * convert_sockopt()
141 *
142 * Converts socket flags from Windows format.
143 */
144 static void convert_sockopt(INT *level, INT *optname)
145 {
146 int i;
147 switch (*level)
148 {
149 case WS_SOL_SOCKET:
150 *level = SOL_SOCKET;
151 for(i=0; _ws_sock_ops[i]; i++)
152 if( _ws_sock_ops[i] == *optname ) break;
153 if( _ws_sock_ops[i] ) *optname = _px_sock_ops[i];
154 else FIXME(winsock, "Unknown SOL_SOCKET optname %d\n", *optname);
155 break;
156 case WS_IPPROTO_TCP:
157 *level = IPPROTO_TCP;
158 for(i=0; _ws_tcp_ops[i]; i++)
159 if ( _ws_tcp_ops[i] == *optname ) break;
160 if( _ws_tcp_ops[i] ) *optname = _px_tcp_ops[i];
161 else FIXME(winsock, "Unknown IPPROTO_TCP optname %d\n", *optname);
162 break;
163 }
164 }
165
166 /* ----------------------------------- Per-thread info (or per-process?) */
167
168 static LPWSINFO wsi_find(HTASK16 hTask)
169 {
170 TDB* pTask = (TDB*)GlobalLock16(hTask);
171 if( pTask )
172 {
173 if( pTask->pwsi ) return pTask->pwsi;
174 else
175 {
176 LPWSINFO pwsi = _wsi_list;
177 while( pwsi && pwsi->tid != hTask ) pwsi = pwsi->next;
178 if( pwsi )
179 WARN(winsock,"(pwsi=0x%08x,task=0x%04x):Loose wsi struct! \n",
180 (unsigned)pwsi, hTask );
181 return pwsi;
182 }
183 }
184 return NULL;
185 }
186
187 static ws_socket* wsi_alloc_socket(LPWSINFO pwsi, int fd)
188 {
189 /* Initialize a new entry in the socket table */
190
191 if( pwsi->last_free >= 0 )
192 {
193 int i = pwsi->last_free;
194
195 pwsi->last_free = pwsi->sock[i].flags; /* free list */
196 pwsi->sock[i].fd = fd;
197 pwsi->sock[i].flags = 0;
198 return &pwsi->sock[i];
199 }
200 return NULL;
201 }
202
203 static int wsi_strtolo(LPWSINFO pwsi, const char* name, const char* opt)
204 {
205 /* Stuff a lowercase copy of the string into the local buffer */
206
207 int i = strlen(name) + 2;
208 char* p = _check_buffer(pwsi, i + ((opt)?strlen(opt):0));
209
210 if( p )
211 {
212 do *p++ = tolower(*name); while(*name++);
213 i = (p - (char*)(pwsi->buffer));
214 if( opt ) do *p++ = tolower(*opt); while(*opt++);
215 return i;
216 }
217 return 0;
218 }
219
220 static fd_set* fd_set_import( fd_set* fds, LPWSINFO pwsi, void* wsfds, int* highfd, BOOL b32 )
221 {
222 /* translate Winsock fd set into local fd set */
223
224 if( wsfds )
225 {
226 #define wsfds16 ((ws_fd_set16*)wsfds)
227 #define wsfds32 ((ws_fd_set32*)wsfds)
228 ws_socket* pws;
229 int i, count;
230
231 FD_ZERO(fds);
232 count = b32 ? wsfds32->fd_count : wsfds16->fd_count;
233
234 for( i = 0; i < count; i++ )
235 {
236 pws = (b32) ? (ws_socket*)WS_HANDLE2PTR(wsfds32->fd_array[i])
237 : (ws_socket*)WS_HANDLE2PTR(wsfds16->fd_array[i]);
238 if( _check_ws(pwsi, pws) )
239 {
240 if( pws->fd > *highfd ) *highfd = pws->fd;
241 FD_SET(pws->fd, fds);
242 }
243 }
244 #undef wsfds32
245 #undef wsfds16
246 return fds;
247 }
248 return NULL;
249 }
250
251 __inline__ static int sock_error_p(int s)
252 {
253 unsigned int optval, optlen;
254
255 optlen = sizeof(optval);
256 getsockopt(s, SOL_SOCKET, SO_ERROR, &optval, &optlen);
257 if (optval) WARN(winsock, "\t[%i] error: %d\n", s, optval);
258 return optval != 0;
259 }
260
261 static int fd_set_export( LPWSINFO pwsi, fd_set* fds, fd_set* exceptfds, void* wsfds, BOOL b32 )
262 {
263 int num_err = 0;
264
265 /* translate local fd set into Winsock fd set, adding
266 * errors to exceptfds (only if app requested it) */
267
268 if( wsfds )
269 {
270 #define wsfds16 ((ws_fd_set16*)wsfds)
271 #define wsfds32 ((ws_fd_set32*)wsfds)
272 int i, j, count = (b32) ? wsfds32->fd_count : wsfds16->fd_count;
273
274 for( i = 0, j = 0; i < count; i++ )
275 {
276 ws_socket *pws = (b32) ? (ws_socket*)WS_HANDLE2PTR(wsfds32->fd_array[i])
277 : (ws_socket*)WS_HANDLE2PTR(wsfds16->fd_array[i]);
278 if( _check_ws(pwsi, pws) )
279 {
280 int fd = pws->fd;
281
282 if( FD_ISSET(fd, fds) )
283 {
284 if ( exceptfds && sock_error_p(fd) )
285 {
286 FD_SET(fd, exceptfds);
287 num_err++;
288 }
289 else if( b32 )
290 wsfds32->fd_array[j++] = wsfds32->fd_array[i];
291 else
292 wsfds16->fd_array[j++] = wsfds16->fd_array[i];
293 }
294 }
295 }
296
297 if( b32 ) wsfds32->fd_count = j;
298 else wsfds16->fd_count = j;
299
300 TRACE(winsock, "\n");
301 #undef wsfds32
302 #undef wsfds16
303 }
304 return num_err;
305 }
306
307 HANDLE16 __ws_gethandle( void* ptr )
308 {
309 return (HANDLE16)WS_PTR2HANDLE(ptr);
310 }
311
312 void* __ws_memalloc( int size )
313 {
314 return WS_ALLOC(size);
315 }
316
317 void __ws_memfree(void* ptr)
318 {
319 WS_FREE(ptr);
320 }
321
322 /* ----------------------------------- API -----
323 *
324 * Init / cleanup / error checking.
325 */
326
327 /***********************************************************************
328 * WSAStartup16() (WINSOCK.115)
329 *
330 * Create socket control struct, attach it to the global list and
331 * update a pointer in the task struct.
332 */
333 INT16 WINAPI WSAStartup16(UINT16 wVersionRequested, LPWSADATA lpWSAData)
334 {
335 WSADATA WINSOCK_data = { 0x0101, 0x0101,
336 "WINE Sockets 1.1",
337 #ifdef linux
338 "Linux/i386",
339 #elif defined(__NetBSD__)
340 "NetBSD/i386",
341 #elif defined(sunos)
342 "SunOS",
343 #elif defined(__FreeBSD__)
344 "FreeBSD",
345 #elif defined(__OpenBSD__)
346 "OpenBSD/i386",
347 #else
348 "Unknown",
349 #endif
350 WS_MAX_SOCKETS_PER_PROCESS,
351 WS_MAX_UDP_DATAGRAM, (SEGPTR)NULL };
352 HTASK16 tid = GetCurrentTask();
353 LPWSINFO pwsi;
354
355 TRACE(winsock, "verReq=%x\n", wVersionRequested);
356
357 if (LOBYTE(wVersionRequested) < 1 || (LOBYTE(wVersionRequested) == 1 &&
358 HIBYTE(wVersionRequested) < 1)) return WSAVERNOTSUPPORTED;
359
360 if (!lpWSAData) return WSAEINVAL;
361
362 /* initialize socket heap */
363
364 if( !_ws_stub )
365 {
366 _WSHeap = HeapCreate(HEAP_ZERO_MEMORY, 8120, 32768);
367 if( !(_ws_stub = WS_ALLOC(0x10)) )
368 {
369 ERR(winsock,"Fatal: failed to create WinSock heap\n");
370 return 0;
371 }
372 }
373 if( _WSHeap == 0 ) return WSASYSNOTREADY;
374
375 /* create socket array for this task */
376
377 pwsi = wsi_find(GetCurrentTask());
378 if( pwsi == NULL )
379 {
380 TDB* pTask = (TDB*)GlobalLock16( tid );
381
382 if( (pwsi = (LPWSINFO)WS_ALLOC( sizeof(WSINFO))) )
383 {
384 int i = 0;
385 pwsi->tid = tid;
386 for( i = 0; i < WS_MAX_SOCKETS_PER_PROCESS; i++ )
387 {
388 pwsi->sock[i].fd = -1;
389 pwsi->sock[i].flags = i + 1;
390 }
391 pwsi->sock[WS_MAX_SOCKETS_PER_PROCESS - 1].flags = -1;
392 }
393 else return WSASYSNOTREADY;
394
395 /* add this control struct to the global list */
396
397 pwsi->prev = NULL;
398 if( _wsi_list )
399 _wsi_list->prev = pwsi;
400 pwsi->next = _wsi_list;
401 _wsi_list = pwsi;
402 pTask->pwsi = pwsi;
403 }
404 else pwsi->num_startup++;
405
406 /* return winsock information */
407
408 memcpy(lpWSAData, &WINSOCK_data, sizeof(WINSOCK_data));
409
410 TRACE(winsock, "succeeded\n");
411 return 0;
412 }
413
414 /***********************************************************************
415 * WSAStartup32() (WSOCK32.115)
416 */
417 INT WINAPI WSAStartup(UINT wVersionRequested, LPWSADATA lpWSAData)
418 {
419 return WSAStartup16( wVersionRequested, lpWSAData );
420 }
421
422 /***********************************************************************
423 * WSACleanup() (WINSOCK.116)
424 *
425 * Cleanup functions of varying impact.
426 */
427 void WINSOCK_Shutdown()
428 {
429 /* Called on exit(), has to remove all outstanding async DNS processes. */
430 }
431
432 INT WINSOCK_DeleteTaskWSI( TDB* pTask, LPWSINFO pwsi )
433 {
434 /* WSACleanup() backend, called on task termination as well.
435 * Real DLL would have registered its own signal handler with
436 * TaskSetSignalHandler() and waited until USIG_TERMINATION/USIG_GPF
437 * but this scheme is much more straightforward.
438 */
439
440 int i, j, n;
441
442 if( --pwsi->num_startup > 0 ) return 0;
443
444 /* unlink socket control struct */
445
446 if( pwsi == _wsi_list )
447 _wsi_list = pwsi->next;
448 else
449 pwsi->prev->next = pwsi->next;
450 if( pwsi->next ) pwsi->next->prev = pwsi->prev;
451
452 if( _wsi_list == NULL )
453 WINSOCK_Shutdown(); /* just in case */
454
455 if( pwsi->flags & WSI_BLOCKINGCALL )
456 TRACE(winsock,"\tinside blocking call!\n");
457
458 /* FIXME: aop_control() doesn't decrement pwsi->num_async_rq
459 *
460 * if( pwsi->num_async_rq )
461 * WARN(winsock,"\thave %i outstanding async ops!\n", pwsi->num_async_rq );
462 */
463
464 for(i = 0, j = 0, n = 0; i < WS_MAX_SOCKETS_PER_PROCESS; i++)
465 if( pwsi->sock[i].fd != -1 )
466 {
467 if( pwsi->sock[i].psop )
468 {
469 n++;
470 WSAAsyncSelect( (SOCKET16)WS_PTR2HANDLE(pwsi->sock + i), 0, 0, 0 );
471 }
472 close(pwsi->sock[i].fd); j++;
473 }
474 if( j )
475 TRACE(winsock,"\tclosed %i sockets, killed %i async selects!\n", j, n);
476
477 /* delete scratch buffers */
478
479 if( pwsi->buffer ) SEGPTR_FREE(pwsi->buffer);
480 if( pwsi->dbuffer ) SEGPTR_FREE(pwsi->dbuffer);
481
482 if( pTask )
483 pTask->pwsi = NULL;
484 memset( pwsi, 0, sizeof(WSINFO) );
485 WS_FREE(pwsi);
486 return 0;
487 }
488
489 INT WINAPI WSACleanup(void)
490 {
491 HTASK16 hTask = GetCurrentTask();
492
493 TRACE(winsock, "(%04x)\n", hTask );
494 if( hTask )
495 {
496 LPWSINFO pwsi = wsi_find(hTask);
497 if( pwsi )
498 return WINSOCK_DeleteTaskWSI( (TDB*)GlobalLock16(hTask), pwsi );
499 return SOCKET_ERROR;
500 }
501 else
502 WINSOCK_Shutdown(); /* remove all outstanding DNS requests */
503 return 0;
504 }
505
506
507 /***********************************************************************
508 * WSAGetLastError() (WSOCK32.111)(WINSOCK.111)
509 */
510 INT WINAPI WSAGetLastError(void)
511 {
512 LPWSINFO pwsi = wsi_find(GetCurrentTask());
513 INT16 ret = (pwsi) ? pwsi->err : WSANOTINITIALISED;
514
515 TRACE(winsock, "(%08x) = %i\n",
516 (unsigned)pwsi, (int)ret);
517 return ret;
518 }
519
520 /***********************************************************************
521 * WSASetLastError32() (WSOCK32.112)
522 */
523 void WINAPI WSASetLastError(INT iError)
524 {
525 LPWSINFO pwsi = wsi_find(GetCurrentTask());
526
527 TRACE(winsock, "(%08x): %d\n", (unsigned)pwsi, (int)iError);
528 if( pwsi ) pwsi->err = iError;
529 }
530
531 /***********************************************************************
532 * WSASetLastError16() (WINSOCK.112)
533 */
534 void WINAPI WSASetLastError16(INT16 iError)
535 {
536 WSASetLastError(iError);
537 }
538
539 int _check_ws(LPWSINFO pwsi, ws_socket* pws)
540 {
541 if( pwsi )
542 {
543 if( pwsi->flags & WSI_BLOCKINGCALL ) pwsi->err = WSAEINPROGRESS;
544 else if( WSI_CHECK_RANGE(pwsi, pws) ) return 1;
545 else pwsi->err = WSAENOTSOCK;
546 }
547 return 0;
548 }
549
550 char* _check_buffer(LPWSINFO pwsi, int size)
551 {
552 if( pwsi->buffer && pwsi->buflen >= size ) return pwsi->buffer;
553 else SEGPTR_FREE(pwsi->buffer);
554
555 pwsi->buffer = (char*)SEGPTR_ALLOC((pwsi->buflen = size));
556 return pwsi->buffer;
557 }
558
559 struct ws_hostent* _check_buffer_he(LPWSINFO pwsi, int size)
560 {
561 if( pwsi->he && pwsi->helen >= size ) return pwsi->he;
562 else SEGPTR_FREE(pwsi->he);
563
564 pwsi->he = (struct ws_hostent*)SEGPTR_ALLOC((pwsi->helen = size));
565 return pwsi->he;
566 }
567
568 struct ws_servent* _check_buffer_se(LPWSINFO pwsi, int size)
569 {
570 if( pwsi->se && pwsi->selen >= size ) return pwsi->se;
571 else SEGPTR_FREE(pwsi->se);
572
573 pwsi->se = (struct ws_servent*)SEGPTR_ALLOC((pwsi->selen = size));
574 return pwsi->se;
575 }
576
577 struct ws_protoent* _check_buffer_pe(LPWSINFO pwsi, int size)
578 {
579 if( pwsi->pe && pwsi->pelen >= size ) return pwsi->pe;
580 else SEGPTR_FREE(pwsi->pe);
581
582 pwsi->pe = (struct ws_protoent*)SEGPTR_ALLOC((pwsi->pelen = size));
583 return pwsi->pe;
584 }
585
586 /* ----------------------------------- i/o APIs */
587
588 /***********************************************************************
589 * accept() (WSOCK32.1)
590 */
591 SOCKET WINAPI WINSOCK_accept(SOCKET s, struct sockaddr *addr,
592 INT *addrlen32)
593 {
594 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR((SOCKET16)s);
595 LPWSINFO pwsi = wsi_find(GetCurrentTask());
596 #ifdef HAVE_IPX
597 struct ws_sockaddr_ipx* addr2 = (struct ws_sockaddr_ipx *)addr;
598 #endif
599
600 TRACE(winsock, "(%08x): socket %04x\n",
601 (unsigned)pwsi, (UINT16)s );
602 if( _check_ws(pwsi, pws) )
603 {
604 int sock, fd_flags;
605
606 fd_flags = fcntl(pws->fd, F_GETFL, 0);
607
608 if( (sock = accept(pws->fd, addr, addrlen32)) >= 0 )
609 {
610 ws_socket* pnew = wsi_alloc_socket(pwsi, sock);
611 if( pnew )
612 {
613 s = (SOCKET)WS_PTR2HANDLE(pnew);
614 if( pws->psop && pws->flags & WS_FD_ACCEPT )
615 {
616 EVENT_AddIO( pws->fd, EVENT_IO_READ ); /* reenabler */
617
618 /* async select the accept()'ed socket */
619 WSAAsyncSelect( s, pws->psop->hWnd, pws->psop->uMsg,
620 pws->flags & ~WS_FD_ACCEPT );
621 }
622 #ifdef HAVE_IPX
623 if (addr && ((struct sockaddr_ipx *)addr)->sipx_family == AF_IPX) {
624 addr = (struct sockaddr *)
625 malloc(addrlen32 ? *addrlen32 : sizeof(*addr2));
626 memcpy(addr, addr2,
627 addrlen32 ? *addrlen32 : sizeof(*addr2));
628 addr2->sipx_family = WS_AF_IPX;
629 addr2->sipx_network = ((struct sockaddr_ipx *)addr)->sipx_network;
630 addr2->sipx_port = ((struct sockaddr_ipx *)addr)->sipx_port;
631 memcpy(addr2->sipx_node,
632 ((struct sockaddr_ipx *)addr)->sipx_node, IPX_NODE_LEN);
633 free(addr);
634 }
635 #endif
636 return s;
637 }
638 else pwsi->err = WSAENOBUFS;
639 }
640 else pwsi->err = wsaErrno();
641 }
642 #ifdef HAVE_IPX
643 if (addr && ((struct sockaddr_ipx *)addr)->sipx_family == AF_IPX) {
644 addr = (struct sockaddr *)
645 malloc(addrlen32 ? *addrlen32 : sizeof(*addr2));
646 memcpy(addr, addr2, addrlen32 ? *addrlen32 : sizeof(*addr2));
647 addr2->sipx_family = WS_AF_IPX;
648 addr2->sipx_network = ((struct sockaddr_ipx *)addr)->sipx_network;
649 addr2->sipx_port = ((struct sockaddr_ipx *)addr)->sipx_port;
650 memcpy(addr2->sipx_node,
651 ((struct sockaddr_ipx *)addr)->sipx_node, IPX_NODE_LEN);
652 free(addr);
653 }
654 #endif
655 return INVALID_SOCKET;
656 }
657
658 /***********************************************************************
659 * accept() (WINSOCK.1)
660 */
661 SOCKET16 WINAPI WINSOCK_accept16(SOCKET16 s, struct sockaddr* addr,
662 INT16* addrlen16 )
663 {
664 INT addrlen32 = addrlen16 ? *addrlen16 : 0;
665 SOCKET retSocket = WINSOCK_accept( s, addr, &addrlen32 );
666 if( addrlen16 ) *addrlen16 = (INT16)addrlen32;
667 return (SOCKET16)retSocket;
668 }
669
670 /***********************************************************************
671 * bind() (WSOCK32.2)
672 */
673 INT WINAPI WINSOCK_bind(SOCKET s, struct sockaddr *name, INT namelen)
674 {
675 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
676 LPWSINFO pwsi = wsi_find(GetCurrentTask());
677 #ifdef HAVE_IPX
678 struct ws_sockaddr_ipx* name2 = (struct ws_sockaddr_ipx *)name;
679 #endif
680
681 TRACE(winsock, "(%08x): socket %04x, ptr %8x, length %d\n",
682 (unsigned)pwsi, s, (int) name, namelen);
683 #if DEBUG_SOCKADDR
684 dump_sockaddr(name);
685 #endif
686
687 if ( _check_ws(pwsi, pws) )
688 {
689 /* FIXME: what family does this really map to on the Unix side? */
690 if (name && ((struct ws_sockaddr_ipx *)name)->sipx_family == WS_AF_PUP)
691 ((struct ws_sockaddr_ipx *)name)->sipx_family = AF_UNSPEC;
692 #ifdef HAVE_IPX
693 else if (name &&
694 ((struct ws_sockaddr_ipx *)name)->sipx_family == WS_AF_IPX)
695 {
696 name = (struct sockaddr *) malloc(sizeof(struct sockaddr_ipx));
697 memset(name, '\0', sizeof(struct sockaddr_ipx));
698 ((struct sockaddr_ipx *)name)->sipx_family = AF_IPX;
699 ((struct sockaddr_ipx *)name)->sipx_port = name2->sipx_port;
700 ((struct sockaddr_ipx *)name)->sipx_network = name2->sipx_network;
701 memcpy(((struct sockaddr_ipx *)name)->sipx_node,
702 name2->sipx_node, IPX_NODE_LEN);
703 namelen = sizeof(struct sockaddr_ipx);
704 }
705 #endif
706 if ( namelen >= sizeof(*name) )
707 {
708 if ( name && (((struct ws_sockaddr_in *)name)->sin_family == AF_INET
709 #ifdef HAVE_IPX
710 || ((struct sockaddr_ipx *)name)->sipx_family == AF_IPX
711 #endif
712 ))
713 {
714 if ( bind(pws->fd, name, namelen) < 0 )
715 {
716 int loc_errno = errno;
717 WARN(winsock, "\tfailure - errno = %i\n", errno);
718 errno = loc_errno;
719 switch(errno)
720 {
721 case EBADF: pwsi->err = WSAENOTSOCK; break;
722 case EADDRNOTAVAIL: pwsi->err = WSAEINVAL; break;
723 default: pwsi->err = wsaErrno();
724 }
725 }
726 else {
727 #ifdef HAVE_IPX
728 if (((struct sockaddr_ipx *)name)->sipx_family == AF_IPX)
729 free(name);
730 #endif
731 return 0; /* success */
732 }
733 }
734 else pwsi->err = WSAEAFNOSUPPORT;
735 }
736 else pwsi->err = WSAEFAULT;
737 #ifdef HAVE_IPX
738 if (name && ((struct sockaddr_ipx *)name)->sipx_family == AF_IPX)
739 free(name);
740 #endif
741 }
742 return SOCKET_ERROR;
743 }
744
745 /***********************************************************************
746 * bind() (WINSOCK.2)
747 */
748 INT16 WINAPI WINSOCK_bind16(SOCKET16 s, struct sockaddr *name, INT16 namelen)
749 {
750 return (INT16)WINSOCK_bind( s, name, namelen );
751 }
752
753 /***********************************************************************
754 * closesocket() (WSOCK32.3)
755 */
756 INT WINAPI WINSOCK_closesocket(SOCKET s)
757 {
758 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
759 LPWSINFO pwsi = wsi_find(GetCurrentTask());
760
761 TRACE(winsock, "(%08x): socket %08x\n", (unsigned)pwsi, s);
762
763 if( _check_ws(pwsi, pws) )
764 {
765 int fd = pws->fd;
766
767 if( pws->psop ) WSAAsyncSelect( s, 0, 0, 0 );
768
769 pws->fd = -1;
770 pws->flags = (unsigned)pwsi->last_free;
771 pwsi->last_free = pws - &pwsi->sock[0]; /* add to free list */
772
773 if( close(fd) == 0 )
774 return 0;
775 pwsi->err = (errno == EBADF) ? WSAENOTSOCK : wsaErrno();
776 }
777 return SOCKET_ERROR;
778 }
779
780 /***********************************************************************
781 * closesocket() (WINSOCK.3)
782 */
783 INT16 WINAPI WINSOCK_closesocket16(SOCKET16 s)
784 {
785 return (INT16)WINSOCK_closesocket(s);
786 }
787
788 /***********************************************************************
789 * connect() (WSOCK32.4)
790 */
791 INT WINAPI WINSOCK_connect(SOCKET s, struct sockaddr *name, INT namelen)
792 {
793 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
794 LPWSINFO pwsi = wsi_find(GetCurrentTask());
795 #ifdef HAVE_IPX
796 struct ws_sockaddr_ipx* name2 = (struct ws_sockaddr_ipx *)name;
797 #endif
798
799 TRACE(winsock, "(%08x): socket %04x, ptr %8x, length %d\n",
800 (unsigned)pwsi, s, (int) name, namelen);
801 #if DEBUG_SOCKADDR
802 dump_sockaddr(name);
803 #endif
804
805 if( _check_ws(pwsi, pws) )
806 {
807 if (name && ((struct ws_sockaddr_ipx *)name)->sipx_family == WS_AF_PUP)
808 ((struct ws_sockaddr_ipx *)name)->sipx_family = AF_UNSPEC;
809 #ifdef HAVE_IPX
810 else if (name && ((struct ws_sockaddr_ipx *)name)->sipx_family == WS_AF_IPX)
811 {
812 name = (struct sockaddr *) malloc(sizeof(struct sockaddr_ipx));
813 memset(name, '\0', sizeof(struct sockaddr_ipx));
814 ((struct sockaddr_ipx *)name)->sipx_family = AF_IPX;
815 ((struct sockaddr_ipx *)name)->sipx_port = name2->sipx_port;
816 ((struct sockaddr_ipx *)name)->sipx_network = name2->sipx_network;
817 memcpy(((struct sockaddr_ipx *)name)->sipx_node,
818 name2->sipx_node, IPX_NODE_LEN);
819 namelen = sizeof(struct sockaddr_ipx);
820 }
821 #endif
822 if (connect(pws->fd, name, namelen) == 0)
823 {
824 if( pws->psop && (pws->flags & WS_FD_CONNECT) )
825 {
826 /* application did AsyncSelect() but then went
827 * ahead and called connect() without waiting for
828 * notification.
829 *
830 * FIXME: Do we have to post a notification message
831 * in this case?
832 */
833
834 if( !(pws->flags & WS_FD_CONNECTED) )
835 {
836 if( pws->flags & (WS_FD_READ | WS_FD_CLOSE) )
837 EVENT_AddIO( pws->fd, EVENT_IO_READ );
838 else
839 EVENT_DeleteIO( pws->fd, EVENT_IO_READ );
840 if( pws->flags & WS_FD_WRITE )
841 EVENT_AddIO( pws->fd, EVENT_IO_WRITE );
842 else
843 EVENT_DeleteIO( pws->fd, EVENT_IO_WRITE );
844 }
845 }
846 pws->flags |= WS_FD_CONNECTED;
847 pws->flags &= ~(WS_FD_INACTIVE | WS_FD_CONNECT | WS_FD_LISTENING);
848 #ifdef HAVE_IPX
849 if (((struct sockaddr_ipx *)name)->sipx_family == AF_IPX)
850 free(name);
851 #endif
852 return 0;
853 }
854 pwsi->err = (errno == EINPROGRESS) ? WSAEWOULDBLOCK : wsaErrno();
855 }
856 #ifdef HAVE_IPX
857 if (name && ((struct sockaddr_ipx *)name)->sipx_family == AF_IPX)
858 free(name);
859 #endif
860 return SOCKET_ERROR;
861 }
862
863 /***********************************************************************
864 * connect() (WINSOCK.4)
865 */
866 INT16 WINAPI WINSOCK_connect16(SOCKET16 s, struct sockaddr *name, INT16 namelen)
867 {
868 return (INT16)WINSOCK_connect( s, name, namelen );
869 }
870
871 /***********************************************************************
872 * getpeername() (WSOCK32.5)
873 */
874 INT WINAPI WINSOCK_getpeername(SOCKET s, struct sockaddr *name,
875 INT *namelen)
876 {
877 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
878 LPWSINFO pwsi = wsi_find(GetCurrentTask());
879 #ifdef HAVE_IPX
880 struct ws_sockaddr_ipx* name2 = (struct ws_sockaddr_ipx *)name;
881 #endif
882
883 TRACE(winsock, "(%08x): socket: %04x, ptr %8x, ptr %8x\n",
884 (unsigned)pwsi, s, (int) name, *namelen);
885 if( _check_ws(pwsi, pws) )
886 {
887 if (getpeername(pws->fd, name, namelen) == 0) {
888 #ifdef HAVE_IPX
889 if (((struct ws_sockaddr_ipx *)name)->sipx_family == AF_IPX) {
890 name = (struct sockaddr *)
891 malloc(namelen ? *namelen : sizeof(*name2));
892 memcpy(name, name2, namelen ? *namelen : sizeof(*name2));
893 name2->sipx_family = WS_AF_IPX;
894 name2->sipx_network = ((struct sockaddr_ipx *)name)->sipx_network;
895 name2->sipx_port = ((struct sockaddr_ipx *)name)->sipx_port;
896 memcpy(name2->sipx_node,
897 ((struct sockaddr_ipx *)name)->sipx_node, IPX_NODE_LEN);
898 free(name);
899 }
900 #endif
901 return 0;
902 }
903 pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
904 }
905 #ifdef HAVE_IPX
906 if (name && ((struct ws_sockaddr_ipx *)name)->sipx_family == AF_IPX) {
907 name = (struct sockaddr *) malloc(namelen ? *namelen : sizeof(*name2));
908 memcpy(name, name2, namelen ? *namelen : sizeof(*name2));
909 name2->sipx_family = WS_AF_IPX;
910 name2->sipx_network = ((struct sockaddr_ipx *)name)->sipx_network;
911 name2->sipx_port = ((struct sockaddr_ipx *)name)->sipx_port;
912 memcpy(name2->sipx_node,
913 ((struct sockaddr_ipx *)name)->sipx_node, IPX_NODE_LEN);
914 free(name);
915 }
916 #endif
917 return SOCKET_ERROR;
918 }
919
920 /***********************************************************************
921 * getpeername() (WINSOCK.5)
922 */
923 INT16 WINAPI WINSOCK_getpeername16(SOCKET16 s, struct sockaddr *name,
924 INT16 *namelen16)
925 {
926 INT namelen32 = *namelen16;
927 INT retVal = WINSOCK_getpeername( s, name, &namelen32 );
928
929 #if DEBUG_SOCKADDR
930 dump_sockaddr(name);
931 #endif
932
933 *namelen16 = namelen32;
934 return (INT16)retVal;
935 }
936
937 /***********************************************************************
938 * getsockname() (WSOCK32.6)
939 */
940 INT WINAPI WINSOCK_getsockname(SOCKET s, struct sockaddr *name,
941 INT *namelen)
942 {
943 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
944 LPWSINFO pwsi = wsi_find(GetCurrentTask());
945 #ifdef HAVE_IPX
946 struct ws_sockaddr_ipx* name2 = (struct ws_sockaddr_ipx *)name;
947 #endif
948
949 TRACE(winsock, "(%08x): socket: %04x, ptr %8x, ptr %8x\n",
950 (unsigned)pwsi, s, (int) name, (int) *namelen);
951 if( _check_ws(pwsi, pws) )
952 {
953 if (getsockname(pws->fd, name, namelen) == 0) {
954 #ifdef HAVE_IPX
955 if (((struct sockaddr_ipx *)name)->sipx_family == AF_IPX) {
956 name = (struct sockaddr *)
957 malloc(namelen ? *namelen : sizeof(*name2));
958 memcpy(name, name2, namelen ? *namelen : sizeof(*name2));
959 name2->sipx_family = WS_AF_IPX;
960 name2->sipx_network = ((struct sockaddr_ipx *)name)->sipx_network;
961 name2->sipx_port = ((struct sockaddr_ipx *)name)->sipx_port;
962 memcpy(name2->sipx_node,
963 ((struct sockaddr_ipx *)name)->sipx_node, IPX_NODE_LEN);
964 free(name);
965 }
966 #endif
967 return 0;
968 }
969 pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
970 }
971 #ifdef HAVE_IPX
972 if (name && ((struct ws_sockaddr_ipx *)name)->sipx_family == AF_IPX) {
973 name = (struct sockaddr *) malloc(namelen ? *namelen : sizeof(*name2));
974 memcpy(name, name2, namelen ? *namelen : sizeof(*name2));
975 name2->sipx_family = WS_AF_IPX;
976 name2->sipx_network = ((struct sockaddr_ipx *)name)->sipx_network;
977 name2->sipx_port = ((struct sockaddr_ipx *)name)->sipx_port;
978 memcpy(name2->sipx_node,
979 ((struct sockaddr_ipx *)name)->sipx_node, IPX_NODE_LEN);
980 free(name);
981 }
982 #endif
983 return SOCKET_ERROR;
984 }
985
986 /***********************************************************************
987 * getsockname() (WINSOCK.6)
988 */
989 INT16 WINAPI WINSOCK_getsockname16(SOCKET16 s, struct sockaddr *name,
990 INT16 *namelen16)
991 {
992 INT retVal;
993
994 if( namelen16 )
995 {
996 INT namelen32 = *namelen16;
997 retVal = WINSOCK_getsockname( s, name, &namelen32 );
998 *namelen16 = namelen32;
999
1000 #if DEBUG_SOCKADDR
1001 dump_sockaddr(name);
1002 #endif
1003
1004 }
1005 else retVal = SOCKET_ERROR;
1006 return (INT16)retVal;
1007 }
1008
1009
1010 /***********************************************************************
1011 * getsockopt() (WSOCK32.7)
1012 */
1013 INT WINAPI WINSOCK_getsockopt(SOCKET s, INT level,
1014 INT optname, char *optval, INT *optlen)
1015 {
1016 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
1017 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1018
1019 TRACE(winsock, "(%08x): socket: %04x, opt %d, ptr %8x, ptr %8x\n",
1020 (unsigned)pwsi, s, level, (int) optval, (int) *optlen);
1021 if( _check_ws(pwsi, pws) )
1022 {
1023 convert_sockopt(&level, &optname);
1024 if (getsockopt(pws->fd, (int) level, optname, optval, optlen) == 0 )
1025 return 0;
1026 pwsi->err = (errno == EBADF) ? WSAENOTSOCK : wsaErrno();
1027 }
1028 return SOCKET_ERROR;
1029 }
1030
1031 /***********************************************************************
1032 * getsockopt() (WINSOCK.7)
1033 */
1034 INT16 WINAPI WINSOCK_getsockopt16(SOCKET16 s, INT16 level,
1035 INT16 optname, char *optval, INT16 *optlen)
1036 {
1037 INT optlen32;
1038 INT *p = &optlen32;
1039 INT retVal;
1040 if( optlen ) optlen32 = *optlen; else p = NULL;
1041 retVal = WINSOCK_getsockopt( s, (UINT16)level, optname, optval, p );
1042 if( optlen ) *optlen = optlen32;
1043 return (INT16)retVal;
1044 }
1045
1046 /***********************************************************************
1047 * htonl() (WINSOCK.8)(WSOCK32.8)
1048 */
1049 u_long WINAPI WINSOCK_htonl(u_long hostlong) { return( htonl(hostlong) ); }
1050 /***********************************************************************
1051 * htons() (WINSOCK.9)(WSOCK32.9)
1052 */
1053 u_short WINAPI WINSOCK_htons(u_short hostshort) { return( htons(hostshort) ); }
1054 /***********************************************************************
1055 * inet_addr() (WINSOCK.10)(WSOCK32.10)
1056 */
1057 u_long WINAPI WINSOCK_inet_addr(char *cp) { return( inet_addr(cp) ); }
1058 /***********************************************************************
1059 * htohl() (WINSOCK.14)(WSOCK32.14)
1060 */
1061 u_long WINAPI WINSOCK_ntohl(u_long netlong) { return( ntohl(netlong) ); }
1062 /***********************************************************************
1063 * ntohs() (WINSOCK.15)(WSOCK32.15)
1064 */
1065 u_short WINAPI WINSOCK_ntohs(u_short netshort) { return( ntohs(netshort) ); }
1066
1067 /***********************************************************************
1068 * inet_ntoa() (WINSOCK.11)(WSOCK32.11)
1069 */
1070 char* WINAPI WINSOCK_inet_ntoa(struct in_addr in)
1071 {
1072 /* use "buffer for dummies" here because some applications have
1073 * propensity to decode addresses in ws_hostent structure without
1074 * saving them first...
1075 */
1076
1077 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1078
1079 if( pwsi )
1080 {
1081 char* s = inet_ntoa(in);
1082 if( s )
1083 {
1084 if( pwsi->dbuffer == NULL )
1085 if((pwsi->dbuffer = (char*) SEGPTR_ALLOC(32)) == NULL )
1086 {
1087 pwsi->err = WSAENOBUFS;
1088 return NULL;
1089 }
1090 strncpy(pwsi->dbuffer, s, 32 );
1091 return pwsi->dbuffer;
1092 }
1093 pwsi->err = wsaErrno();
1094 }
1095 return NULL;
1096 }
1097
1098 SEGPTR WINAPI WINSOCK_inet_ntoa16(struct in_addr in)
1099 {
1100 char* retVal = WINSOCK_inet_ntoa(in);
1101 return retVal ? SEGPTR_GET(retVal) : (SEGPTR)NULL;
1102 }
1103
1104 /***********************************************************************
1105 * ioctlsocket() (WSOCK32.12)
1106 */
1107 INT WINAPI WINSOCK_ioctlsocket(SOCKET s, UINT cmd, UINT *argp)
1108 {
1109 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
1110 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1111
1112 TRACE(winsock, "(%08x): socket %04x, cmd %08x, ptr %8x\n",
1113 (unsigned)pwsi, s, cmd, (unsigned) argp);
1114 if( _check_ws(pwsi, pws) )
1115 {
1116 long newcmd = cmd;
1117
1118 switch( cmd )
1119 {
1120 case WS_FIONREAD:
1121 newcmd=FIONREAD;
1122 break;
1123
1124 case WS_FIONBIO:
1125 newcmd=FIONBIO;
1126 if( pws->psop && *argp == 0 )
1127 {
1128 /* AsyncSelect()'ed sockets are always nonblocking */
1129 pwsi->err = WSAEINVAL;
1130 return SOCKET_ERROR;
1131 }
1132 break;
1133
1134 case WS_SIOCATMARK:
1135 newcmd=SIOCATMARK;
1136 break;
1137
1138 case WS_IOW('f',125,u_long):
1139 WARN(winsock,"Warning: WS1.1 shouldn't be using async I/O\n");
1140 pwsi->err = WSAEINVAL;
1141 return SOCKET_ERROR;
1142
1143 default:
1144 /* Netscape tries hard to use bogus ioctl 0x667e */
1145 WARN(winsock, "\tunknown WS_IOCTL cmd (%08x)\n", cmd);
1146 }
1147 if( ioctl(pws->fd, newcmd, (char*)argp ) == 0 ) return 0;
1148 pwsi->err = (errno == EBADF) ? WSAENOTSOCK : wsaErrno();
1149 }
1150 return SOCKET_ERROR;
1151 }
1152
1153 /***********************************************************************
1154 * ioctlsocket() (WINSOCK.12)
1155 */
1156 INT16 WINAPI WINSOCK_ioctlsocket16(SOCKET16 s, UINT cmd, UINT *argp)
1157 {
1158 return (INT16)WINSOCK_ioctlsocket( s, cmd, argp );
1159 }
1160
1161
1162 /***********************************************************************
1163 * listen() (WSOCK32.13)
1164 */
1165 INT WINAPI WINSOCK_listen(SOCKET s, INT backlog)
1166 {
1167 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
1168 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1169
1170 TRACE(winsock, "(%08x): socket %04x, backlog %d\n",
1171 (unsigned)pwsi, s, backlog);
1172 if( _check_ws(pwsi, pws) )
1173 {
1174 if (listen(pws->fd, backlog) == 0)
1175 {
1176 if( !pws->psop )
1177 {
1178 int fd_flags = fcntl(pws->fd, F_GETFL, 0);
1179 if( !(fd_flags & O_NONBLOCK) ) pws->flags |= WS_FD_ACCEPT;
1180 }
1181 pws->flags |= WS_FD_LISTENING;
1182 pws->flags &= ~(WS_FD_INACTIVE | WS_FD_CONNECT | WS_FD_CONNECTED); /* just in case */
1183 return 0;
1184 }
1185 pwsi->err = wsaErrno();
1186 }
1187 else if( pwsi ) pwsi->err = WSAENOTSOCK;
1188 return SOCKET_ERROR;
1189 }
1190
1191 /***********************************************************************
1192 * listen() (WINSOCK.13)
1193 */
1194 INT16 WINAPI WINSOCK_listen16(SOCKET16 s, INT16 backlog)
1195 {
1196 return (INT16)WINSOCK_listen( s, backlog );
1197 }
1198
1199
1200 /***********************************************************************
1201 * recv() (WSOCK32.16)
1202 */
1203 INT WINAPI WINSOCK_recv(SOCKET s, char *buf, INT len, INT flags)
1204 {
1205 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
1206 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1207
1208 TRACE(winsock, "(%08x): socket %04x, buf %8x, len %d, "
1209 "flags %d\n", (unsigned)pwsi, s, (unsigned)buf,
1210 len, flags);
1211 if( _check_ws(pwsi, pws) )
1212 {
1213 INT length;
1214 if ((length = recv(pws->fd, buf, len, flags)) >= 0)
1215 {
1216 TRACE(winsock, " -> %i bytes\n", length);
1217
1218 if( pws->psop && (pws->flags & (WS_FD_READ | WS_FD_CLOSE)) )
1219 EVENT_AddIO( pws->fd, EVENT_IO_READ ); /* reenabler */
1220
1221 return length;
1222 }
1223 pwsi->err = wsaErrno();
1224 }
1225 else if( pwsi ) pwsi->err = WSAENOTSOCK;
1226 WARN(winsock, " -> ERROR\n");
1227 return SOCKET_ERROR;
1228 }
1229
1230 /***********************************************************************
1231 * recv() (WINSOCK.16)
1232 */
1233 INT16 WINAPI WINSOCK_recv16(SOCKET16 s, char *buf, INT16 len, INT16 flags)
1234 {
1235 return (INT16)WINSOCK_recv( s, buf, len, flags );
1236 }
1237
1238
1239 /***********************************************************************
1240 * recvfrom() (WSOCK32.17)
1241 */
1242 INT WINAPI WINSOCK_recvfrom(SOCKET s, char *buf, INT len, INT flags,
1243 struct sockaddr *from, INT *fromlen32)
1244 {
1245 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
1246 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1247 #ifdef HAVE_IPX
1248 struct ws_sockaddr_ipx* from2 = (struct ws_sockaddr_ipx *)from;
1249 #endif
1250
1251 TRACE(winsock, "(%08x): socket %04x, ptr %08x, "
1252 "len %d, flags %d\n", (unsigned)pwsi, s, (unsigned)buf,
1253 len, flags);
1254 #if DEBUG_SOCKADDR
1255 if( from ) dump_sockaddr(from);
1256 else DUMP("from = NULL\n");
1257 #endif
1258
1259 if( _check_ws(pwsi, pws) )
1260 {
1261 int length;
1262
1263 if ((length = recvfrom(pws->fd, buf, len, flags, from, fromlen32)) >= 0)
1264 {
1265 TRACE(winsock, " -> %i bytes\n", length);
1266
1267 if( pws->psop && (pws->flags & (WS_FD_READ | WS_FD_CLOSE)) )
1268 EVENT_AddIO( pws->fd, EVENT_IO_READ ); /* reenabler */
1269
1270 #ifdef HAVE_IPX
1271 if (from && ((struct sockaddr_ipx *)from)->sipx_family == AF_IPX) {
1272 from = (struct sockaddr *)
1273 malloc(fromlen32 ? *fromlen32 : sizeof(*from2));
1274 memcpy(from, from2, fromlen32 ? *fromlen32 : sizeof(*from2));
1275 from2->sipx_family = WS_AF_IPX;
1276 from2->sipx_network = ((struct sockaddr_ipx *)from)->sipx_network;
1277 from2->sipx_port = ((struct sockaddr_ipx *)from)->sipx_port;
1278 memcpy(from2->sipx_node,
1279 ((struct sockaddr_ipx *)from)->sipx_node, IPX_NODE_LEN);
1280 free(from);
1281 }
1282 #endif
1283 return (INT16)length;
1284 }
1285 pwsi->err = wsaErrno();
1286 }
1287 else if( pwsi ) pwsi->err = WSAENOTSOCK;
1288 WARN(winsock, " -> ERROR\n");
1289 #ifdef HAVE_IPX
1290 if (from && ((struct sockaddr_ipx *)from)->sipx_family == AF_IPX) {
1291 from = (struct sockaddr *)
1292 malloc(fromlen32 ? *fromlen32 : sizeof(*from2));
1293 memcpy(from, from2, fromlen32 ? *fromlen32 : sizeof(*from2));
1294 from2->sipx_family = WS_AF_IPX;
1295 from2->sipx_network = ((struct sockaddr_ipx *)from)->sipx_network;
1296 from2->sipx_port = ((struct sockaddr_ipx *)from)->sipx_port;
1297 memcpy(from2->sipx_node,
1298 ((struct sockaddr_ipx *)from)->sipx_node, IPX_NODE_LEN);
1299 free(from);
1300 }
1301 #endif
1302 return SOCKET_ERROR;
1303 }
1304
1305 /***********************************************************************
1306 * recvfrom() (WINSOCK.17)
1307 */
1308 INT16 WINAPI WINSOCK_recvfrom16(SOCKET16 s, char *buf, INT16 len, INT16 flags,
1309 struct sockaddr *from, INT16 *fromlen16)
1310 {
1311 INT fromlen32;
1312 INT *p = &fromlen32;
1313 INT retVal;
1314
1315 if( fromlen16 ) fromlen32 = *fromlen16; else p = NULL;
1316 retVal = WINSOCK_recvfrom( s, buf, len, flags, from, p );
1317 if( fromlen16 ) *fromlen16 = fromlen32;
1318 return (INT16)retVal;
1319 }
1320
1321 /***********************************************************************
1322 * select() (WINSOCK.18)(WSOCK32.18)
1323 */
1324 static INT __ws_select( BOOL b32, void *ws_readfds, void *ws_writefds, void *ws_exceptfds,
1325 struct timeval *timeout )
1326 {
1327 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1328
1329 TRACE(winsock, "(%08x): read %8x, write %8x, excp %8x\n",
1330 (unsigned) pwsi, (unsigned) ws_readfds, (unsigned) ws_writefds, (unsigned) ws_exceptfds);
1331
1332 if( pwsi )
1333 {
1334 int highfd = 0;
1335 fd_set readfds, writefds, exceptfds;
1336 fd_set *p_read, *p_write, *p_except;
1337
1338 p_read = fd_set_import(&readfds, pwsi, ws_readfds, &highfd, b32);
1339 p_write = fd_set_import(&writefds, pwsi, ws_writefds, &highfd, b32);
1340 p_except = fd_set_import(&exceptfds, pwsi, ws_exceptfds, &highfd, b32);
1341
1342 if( (highfd = select(highfd + 1, p_read, p_write, p_except, timeout)) > 0 )
1343 {
1344 fd_set_export(pwsi, &readfds, p_except, ws_readfds, b32);
1345 fd_set_export(pwsi, &writefds, p_except, ws_writefds, b32);
1346
1347 if (p_except && ws_exceptfds)
1348 {
1349 #define wsfds16 ((ws_fd_set16*)ws_exceptfds)
1350 #define wsfds32 ((ws_fd_set32*)ws_exceptfds)
1351 int i, j, count = (b32) ? wsfds32->fd_count : wsfds16->fd_count;
1352
1353 for (i = j = 0; i < count; i++)
1354 {
1355 ws_socket *pws = (b32) ? (ws_socket *)WS_HANDLE2PTR(wsfds32->fd_array[i])
1356 : (ws_socket *)WS_HANDLE2PTR(wsfds16->fd_array[i]);
1357 if( _check_ws(pwsi, pws) && FD_ISSET(pws->fd, &exceptfds) )
1358 {
1359 if( b32 )
1360 wsfds32->fd_array[j++] = wsfds32->fd_array[i];
1361 else
1362 wsfds16->fd_array[j++] = wsfds16->fd_array[i];
1363 }
1364 }
1365 if( b32 )
1366 wsfds32->fd_count = j;
1367 else
1368 wsfds16->fd_count = j;
1369 #undef wsfds32
1370 #undef wsfds16
1371 }
1372 return highfd;
1373 }
1374 if( ws_readfds ) ((ws_fd_set32*)ws_readfds)->fd_count = 0;
1375 if( ws_writefds ) ((ws_fd_set32*)ws_writefds)->fd_count = 0;
1376 if( ws_exceptfds ) ((ws_fd_set32*)ws_exceptfds)->fd_count = 0;
1377
1378 if( highfd == 0 ) return 0;
1379 pwsi->err = wsaErrno();
1380 }
1381 return SOCKET_ERROR;
1382 }
1383
1384 INT16 WINAPI WINSOCK_select16(INT16 nfds, ws_fd_set16 *ws_readfds,
1385 ws_fd_set16 *ws_writefds, ws_fd_set16 *ws_exceptfds,
1386 struct timeval *timeout)
1387 {
1388 return (INT16)__ws_select( FALSE, ws_readfds, ws_writefds, ws_exceptfds, timeout );
1389 }
1390
1391 INT WINAPI WINSOCK_select(INT nfds, ws_fd_set32 *ws_readfds,
1392 ws_fd_set32 *ws_writefds, ws_fd_set32 *ws_exceptfds,
1393 struct timeval *timeout)
1394 {
1395 /* struct timeval is the same for both 32- and 16-bit code */
1396 return (INT)__ws_select( TRUE, ws_readfds, ws_writefds, ws_exceptfds, timeout );
1397 }
1398
1399
1400 /***********************************************************************
1401 * send() (WSOCK32.19)
1402 */
1403 INT WINAPI WINSOCK_send(SOCKET s, char *buf, INT len, INT flags)
1404 {
1405 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
1406 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1407
1408 TRACE(winsock, "(%08x): socket %04x, ptr %08x, length %d, flags %d\n",
1409 (unsigned)pwsi, s, (unsigned) buf, len, flags);
1410 if( _check_ws(pwsi, pws) )
1411 {
1412 int length;
1413
1414 if ((length = send(pws->fd, buf, len, flags)) < 0 )
1415 {
1416 pwsi->err = wsaErrno();
1417 if( pwsi->err == WSAEWOULDBLOCK &&
1418 pws->psop && pws->flags & WS_FD_WRITE )
1419 EVENT_AddIO( pws->fd, EVENT_IO_WRITE ); /* reenabler */
1420 }
1421 else return (INT16)length;
1422 }
1423 else if( pwsi ) pwsi->err = WSAENOTSOCK;
1424 return SOCKET_ERROR;
1425 }
1426
1427 /***********************************************************************
1428 * send() (WINSOCK.19)
1429 */
1430 INT16 WINAPI WINSOCK_send16(SOCKET16 s, char *buf, INT16 len, INT16 flags)
1431 {
1432 return WINSOCK_send( s, buf, len, flags );
1433 }
1434
1435 /***********************************************************************
1436 * sendto() (WSOCK32.20)
1437 */
1438 INT WINAPI WINSOCK_sendto(SOCKET s, char *buf, INT len, INT flags,
1439 struct sockaddr *to, INT tolen)
1440 {
1441 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
1442 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1443 #ifdef HAVE_IPX
1444 struct ws_sockaddr_ipx* to2 = (struct ws_sockaddr_ipx *)to;
1445 #endif
1446
1447 TRACE(winsock, "(%08x): socket %04x, ptr %08x, length %d, flags %d\n",
1448 (unsigned)pwsi, s, (unsigned) buf, len, flags);
1449 if( _check_ws(pwsi, pws) )
1450 {
1451 INT length;
1452
1453 if (to && ((struct ws_sockaddr_ipx *)to)->sipx_family == WS_AF_PUP)
1454 ((struct ws_sockaddr_ipx *)to)->sipx_family = AF_UNSPEC;
1455 #ifdef HAVE_IPX
1456 else if (to &&
1457 ((struct ws_sockaddr_ipx *)to)->sipx_family == WS_AF_IPX)
1458 {
1459 to = (struct sockaddr *) malloc(sizeof(struct sockaddr_ipx));
1460 memset(to, '\0', sizeof(struct sockaddr_ipx));
1461 ((struct sockaddr_ipx *)to)->sipx_family = AF_IPX;
1462 ((struct sockaddr_ipx *)to)->sipx_port = to2->sipx_port;
1463 ((struct sockaddr_ipx *)to)->sipx_network = to2->sipx_network;
1464 memcpy(((struct sockaddr_ipx *)to)->sipx_node,
1465 to2->sipx_node, IPX_NODE_LEN);
1466 tolen = sizeof(struct sockaddr_ipx);
1467 }
1468 #endif
1469 if ((length = sendto(pws->fd, buf, len, flags, to, tolen)) < 0 )
1470 {
1471 pwsi->err = wsaErrno();
1472 if( pwsi->err == WSAEWOULDBLOCK &&
1473 pws->psop && pws->flags & WS_FD_WRITE )
1474 EVENT_AddIO( pws->fd, EVENT_IO_WRITE ); /* reenabler */
1475 }
1476 else {
1477 #ifdef HAVE_IPX
1478 if (to && ((struct sockaddr_ipx *)to)->sipx_family == AF_IPX) {
1479 free(to);
1480 }
1481 #endif
1482 return length;
1483 }
1484 }
1485 else if( pwsi ) pwsi->err = WSAENOTSOCK;
1486 #ifdef HAVE_IPX
1487 if (to && ((struct sockaddr_ipx *)to)->sipx_family == AF_IPX) {
1488 free(to);
1489 }
1490 #endif
1491 return SOCKET_ERROR;
1492 }
1493
1494 /***********************************************************************
1495 * sendto() (WINSOCK.20)
1496 */
1497 INT16 WINAPI WINSOCK_sendto16(SOCKET16 s, char *buf, INT16 len, INT16 flags,
1498 struct sockaddr *to, INT16 tolen)
1499 {
1500 return (INT16)WINSOCK_sendto( s, buf, len, flags, to, tolen );
1501 }
1502
1503 /***********************************************************************
1504 * setsockopt() (WSOCK32.21)
1505 */
1506 INT WINAPI WINSOCK_setsockopt(SOCKET16 s, INT level, INT optname,
1507 char *optval, INT optlen)
1508 {
1509 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
1510 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1511
1512 TRACE(winsock, "(%08x): socket %04x, lev %d, opt %d, ptr %08x, len %d\n",
1513 (unsigned)pwsi, s, level, optname, (int) optval, optlen);
1514 if( _check_ws(pwsi, pws) )
1515 {
1516 struct linger linger;
1517
1518 convert_sockopt(&level, &optname);
1519 if (optname == SO_LINGER && optval) {
1520 /* yes, uses unsigned short in both win16/win32 */
1521 linger.l_onoff = ((UINT16*)optval)[0];
1522 linger.l_linger = ((UINT16*)optval)[1];
1523 /* FIXME: what is documented behavior if SO_LINGER optval
1524 is null?? */
1525 optval = (char*)&linger;
1526 optlen = sizeof(struct linger);
1527 }
1528 if (setsockopt(pws->fd, level, optname, optval, optlen) == 0) return 0;
1529 pwsi->err = wsaErrno();
1530 }
1531 else if( pwsi ) pwsi->err = WSAENOTSOCK;
1532 return SOCKET_ERROR;
1533 }
1534
1535 /***********************************************************************
1536 * setsockopt() (WINSOCK.21)
1537 */
1538 INT16 WINAPI WINSOCK_setsockopt16(SOCKET16 s, INT16 level, INT16 optname,
1539 char *optval, INT16 optlen)
1540 {
1541 if( !optval ) return SOCKET_ERROR;
1542 return (INT16)WINSOCK_setsockopt( s, (UINT16)level, optname, optval, optlen );
1543 }
1544
1545
1546 /***********************************************************************
1547 * shutdown() (WSOCK32.22)
1548 */
1549 INT WINAPI WINSOCK_shutdown(SOCKET s, INT how)
1550 {
1551 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
1552 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1553
1554 TRACE(winsock, "(%08x): socket %04x, how %i\n",
1555 (unsigned)pwsi, s, how );
1556 if( _check_ws(pwsi, pws) )
1557 {
1558 if( pws->psop )
1559 switch( how )
1560 {
1561 case 0: /* drop receives */
1562 if( pws->flags & (WS_FD_READ | WS_FD_CLOSE) )
1563 EVENT_DeleteIO( pws->fd, EVENT_IO_READ );
1564 pws->flags &= ~(WS_FD_READ | WS_FD_CLOSE);
1565 #ifdef SHUT_RD
1566 how = SHUT_RD;
1567 #endif
1568 break;
1569
1570 case 1: /* drop sends */
1571 if( pws->flags & WS_FD_WRITE )
1572 EVENT_DeleteIO( pws->fd, EVENT_IO_WRITE );
1573 pws->flags &= ~WS_FD_WRITE;
1574 #ifdef SHUT_WR
1575 how = SHUT_WR;
1576 #endif
1577 break;
1578
1579 case 2: /* drop all */
1580 #ifdef SHUT_RDWR
1581 how = SHUT_RDWR;
1582 #endif
1583 default:
1584 WSAAsyncSelect( s, 0, 0, 0 );
1585 break;
1586 }
1587
1588 if (shutdown(pws->fd, how) == 0)
1589 {
1590 if( how > 1 )
1591 {
1592 pws->flags &= ~(WS_FD_CONNECTED | WS_FD_LISTENING);
1593 pws->flags |= WS_FD_INACTIVE;
1594 }
1595 return 0;
1596 }
1597 pwsi->err = wsaErrno();
1598 }
1599 else if( pwsi ) pwsi->err = WSAENOTSOCK;
1600 return SOCKET_ERROR;
1601 }
1602
1603 /***********************************************************************
1604 * shutdown() (WINSOCK.22)
1605 */
1606 INT16 WINAPI WINSOCK_shutdown16(SOCKET16 s, INT16 how)
1607 {
1608 return (INT16)WINSOCK_shutdown( s, how );
1609 }
1610
1611
1612 /***********************************************************************
1613 * socket() (WSOCK32.23)
1614 */
1615 SOCKET WINAPI WINSOCK_socket(INT af, INT type, INT protocol)
1616 {
1617 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1618
1619 TRACE(winsock, "(%08x): af=%d type=%d protocol=%d\n",
1620 (unsigned)pwsi, af, type, protocol);
1621
1622 if( pwsi )
1623 {
1624 int sock;
1625
1626 /* check the socket family */
1627 switch(af)
1628 {
1629 #ifdef HAVE_IPX
1630 case WS_AF_IPX: af = AF_IPX;
1631 #endif
1632 case AF_INET:
1633 case AF_UNSPEC: break;
1634 default: pwsi->err = WSAEAFNOSUPPORT;
1635 return INVALID_SOCKET;
1636 }
1637
1638 /* check the socket type */
1639 switch(type)
1640 {
1641 case SOCK_STREAM:
1642 case SOCK_DGRAM:
1643 case SOCK_RAW: break;
1644 default: pwsi->err = WSAESOCKTNOSUPPORT;
1645 return INVALID_SOCKET;
1646 }
1647
1648 /* check the protocol type */
1649 if ( protocol < 0 ) /* don't support negative values */
1650 { pwsi->err = WSAEPROTONOSUPPORT; return INVALID_SOCKET; }
1651
1652 if ( af == AF_UNSPEC) /* did they not specify the address family? */
1653 switch(protocol)
1654 {
1655 case IPPROTO_TCP:
1656 if (type == SOCK_STREAM) { af = AF_INET; break; }
1657 case IPPROTO_UDP:
1658 if (type == SOCK_DGRAM) { af = AF_INET; break; }
1659 default: pwsi->err = WSAEPROTOTYPE; return INVALID_SOCKET;
1660 }
1661
1662 if ((sock = socket(af, type, protocol)) >= 0)
1663 {
1664 ws_socket* pnew = wsi_alloc_socket(pwsi, sock);
1665
1666 TRACE(winsock,"\tcreated %i (handle %04x)\n", sock, (UINT16)WS_PTR2HANDLE(pnew));
1667
1668 if( pnew )
1669 {
1670 pnew->flags |= WS_FD_INACTIVE;
1671 return (SOCKET16)WS_PTR2HANDLE(pnew);
1672 }
1673
1674 close(sock);
1675 pwsi->err = WSAENOBUFS;
1676 return INVALID_SOCKET;
1677 }
1678
1679 if (errno == EPERM) /* raw socket denied */
1680 {
1681 WARN(winsock, "WS_SOCKET: not enough privileges\n");
1682 pwsi->err = WSAESOCKTNOSUPPORT;
1683 } else pwsi->err = wsaErrno();
1684 }
1685
1686 WARN(winsock, "\t\tfailed!\n");
1687 return INVALID_SOCKET;
1688 }
1689
1690 /***********************************************************************
1691 * socket() (WINSOCK.23)
1692 */
1693 SOCKET16 WINAPI WINSOCK_socket16(INT16 af, INT16 type, INT16 protocol)
1694 {
1695 return (SOCKET16)WINSOCK_socket( af, type, protocol );
1696 }
1697
1698
1699 /* ----------------------------------- DNS services
1700 *
1701 * IMPORTANT: 16-bit API structures have SEGPTR pointers inside them.
1702 * Also, we have to use wsock32 stubs to convert structures and
1703 * error codes from Unix to WSA, hence there is no direct mapping in
1704 * the relay32/wsock32.spec.
1705 */
1706
1707 static char* NULL_STRING = "NULL";
1708
1709 /***********************************************************************
1710 * gethostbyaddr() (WINSOCK.51)(WSOCK32.51)
1711 */
1712 static struct WIN_hostent* __ws_gethostbyaddr(const char *addr, int len, int type, int dup_flag)
1713 {
1714 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1715
1716 if( pwsi )
1717 {
1718 struct hostent* host;
1719 if( (host = gethostbyaddr(addr, len, type)) != NULL )
1720 if( WS_dup_he(pwsi, host, dup_flag) )
1721 return (struct WIN_hostent*)(pwsi->he);
1722 else
1723 pwsi->err = WSAENOBUFS;
1724 else
1725 pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1726 }
1727 return NULL;
1728 }
1729
1730 SEGPTR WINAPI WINSOCK_gethostbyaddr16(const char *addr, INT16 len, INT16 type)
1731 {
1732 struct WIN_hostent* retval;
1733 TRACE(winsock, "ptr %08x, len %d, type %d\n",
1734 (unsigned) addr, len, type);
1735 retval = __ws_gethostbyaddr( addr, len, type, WS_DUP_SEGPTR );
1736 return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1737 }
1738
1739 struct WIN_hostent* WINAPI WINSOCK_gethostbyaddr(const char *addr, INT len,
1740 INT type)
1741 {
1742 TRACE(winsock, "ptr %08x, len %d, type %d\n",
1743 (unsigned) addr, len, type);
1744 return __ws_gethostbyaddr(addr, len, type, WS_DUP_LINEAR);
1745 }
1746
1747 /***********************************************************************
1748 * gethostbyname() (WINSOCK.52)(WSOCK32.52)
1749 */
1750 static struct WIN_hostent * __ws_gethostbyname(const char *name, int dup_flag)
1751 {
1752 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1753
1754 if( pwsi )
1755 {
1756 struct hostent* host;
1757 if( (host = gethostbyname(name)) != NULL )
1758 if( WS_dup_he(pwsi, host, dup_flag) )
1759 return (struct WIN_hostent*)(pwsi->he);
1760 else pwsi->err = WSAENOBUFS;
1761 else pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1762 }
1763 return NULL;
1764 }
1765
1766 SEGPTR WINAPI WINSOCK_gethostbyname16(const char *name)
1767 {
1768 struct WIN_hostent* retval;
1769 TRACE(winsock, "%s\n", (name)?name:NULL_STRING);
1770 retval = __ws_gethostbyname( name, WS_DUP_SEGPTR );
1771 return (retval)? SEGPTR_GET(retval) : ((SEGPTR)NULL) ;
1772 }
1773
1774 struct WIN_hostent* WINAPI WINSOCK_gethostbyname(const char* name)
1775 {
1776 TRACE(winsock, "%s\n", (name)?name:NULL_STRING);
1777 return __ws_gethostbyname( name, WS_DUP_LINEAR );
1778 }
1779
1780
1781 /***********************************************************************
1782 * getprotobyname() (WINSOCK.53)(WSOCK32.53)
1783 */
1784 static struct WIN_protoent* __ws_getprotobyname(const char *name, int dup_flag)
1785 {
1786 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1787
1788 if( pwsi )
1789 {
1790 struct protoent* proto;
1791 if( (proto = getprotobyname(name)) != NULL )
1792 if( WS_dup_pe(pwsi, proto, dup_flag) )
1793 return (struct WIN_protoent*)(pwsi->pe);
1794 else pwsi->err = WSAENOBUFS;
1795 else pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1796 }
1797 return NULL;
1798 }
1799
1800 SEGPTR WINAPI WINSOCK_getprotobyname16(const char *name)
1801 {
1802 struct WIN_protoent* retval;
1803 TRACE(winsock, "%s\n", (name)?name:NULL_STRING);
1804 retval = __ws_getprotobyname(name, WS_DUP_SEGPTR);
1805 return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1806 }
1807
1808 struct WIN_protoent* WINAPI WINSOCK_getprotobyname(const char* name)
1809 {
1810 TRACE(winsock, "%s\n", (name)?name:NULL_STRING);
1811 return __ws_getprotobyname(name, WS_DUP_LINEAR);
1812 }
1813
1814
1815 /***********************************************************************
1816 * getprotobynumber() (WINSOCK.54)(WSOCK32.54)
1817 */
1818 static struct WIN_protoent* __ws_getprotobynumber(int number, int dup_flag)
1819 {
1820 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1821
1822 if( pwsi )
1823 {
1824 struct protoent* proto;
1825 if( (proto = getprotobynumber(number)) != NULL )
1826 if( WS_dup_pe(pwsi, proto, dup_flag) )
1827 return (struct WIN_protoent*)(pwsi->pe);
1828 else pwsi->err = WSAENOBUFS;
1829 else pwsi->err = WSANO_DATA;
1830 }
1831 return NULL;
1832 }
1833
1834 SEGPTR WINAPI WINSOCK_getprotobynumber16(INT16 number)
1835 {
1836 struct WIN_protoent* retval;
1837 TRACE(winsock, "%i\n", number);
1838 retval = __ws_getprotobynumber(number, WS_DUP_SEGPTR);
1839 return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1840 }
1841
1842 struct WIN_protoent* WINAPI WINSOCK_getprotobynumber(INT number)
1843 {
1844 TRACE(winsock, "%i\n", number);
1845 return __ws_getprotobynumber(number, WS_DUP_LINEAR);
1846 }
1847
1848
1849 /***********************************************************************
1850 * getservbyname() (WINSOCK.55)(WSOCK32.55)
1851 */
1852 struct WIN_servent* __ws_getservbyname(const char *name, const char *proto, int dup_flag)
1853 {
1854 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1855
1856 if( pwsi )
1857 {
1858 struct servent* serv;
1859 int i = wsi_strtolo( pwsi, name, proto );
1860
1861 if( i )
1862 if( (serv = getservbyname(pwsi->buffer, pwsi->buffer + i)) != NULL )
1863 if( WS_dup_se(pwsi, serv, dup_flag) )
1864 return (struct WIN_servent*)(pwsi->se);
1865 else pwsi->err = WSAENOBUFS;
1866 else pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1867 else pwsi->err = WSAENOBUFS;
1868 }
1869 return NULL;
1870 }
1871
1872 SEGPTR WINAPI WINSOCK_getservbyname16(const char *name, const char *proto)
1873 {
1874 struct WIN_servent* retval;
1875 TRACE(winsock, "'%s', '%s'\n",
1876 (name)?name:NULL_STRING, (proto)?proto:NULL_STRING);
1877 retval = __ws_getservbyname(name, proto, WS_DUP_SEGPTR);
1878 return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1879 }
1880
1881 struct WIN_servent* WINAPI WINSOCK_getservbyname(const char *name, const char *proto)
1882 {
1883 TRACE(winsock, "'%s', '%s'\n",
1884 (name)?name:NULL_STRING, (proto)?proto:NULL_STRING);
1885 return __ws_getservbyname(name, proto, WS_DUP_LINEAR);
1886 }
1887
1888
1889 /***********************************************************************
1890 * getservbyport() (WINSOCK.56)(WSOCK32.56)
1891 */
1892 static struct WIN_servent* __ws_getservbyport(int port, const char* proto, int dup_flag)
1893 {
1894 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1895
1896 if( pwsi )
1897 {
1898 struct servent* serv;
1899 int i = wsi_strtolo( pwsi, proto, NULL );
1900
1901 if( i )
1902 if( (serv = getservbyport(port, pwsi->buffer)) != NULL )
1903 if( WS_dup_se(pwsi, serv, dup_flag) )
1904 return (struct WIN_servent*)(pwsi->se);
1905 else pwsi->err = WSAENOBUFS;
1906 else pwsi->err = (h_errno < 0) ? wsaErrno() : wsaHerrno();
1907 else pwsi->err = WSAENOBUFS;
1908 }
1909 return NULL;
1910 }
1911
1912 SEGPTR WINAPI WINSOCK_getservbyport16(INT16 port, const char *proto)
1913 {
1914 struct WIN_servent* retval;
1915 TRACE(winsock, "%i, '%s'\n",
1916 (int)port, (proto)?proto:NULL_STRING);
1917 retval = __ws_getservbyport(port, proto, WS_DUP_SEGPTR);
1918 return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1919 }
1920
1921 struct WIN_servent* WINAPI WINSOCK_getservbyport(INT port, const char *proto)
1922 {
1923 TRACE(winsock, "%i, '%s'\n",
1924 (int)port, (proto)?proto:NULL_STRING);
1925 return __ws_getservbyport(port, proto, WS_DUP_LINEAR);
1926 }
1927
1928
1929 /***********************************************************************
1930 * gethostname() (WSOCK32.57)
1931 */
1932 INT WINAPI WINSOCK_gethostname(char *name, INT namelen)
1933 {
1934 LPWSINFO pwsi = wsi_find(GetCurrentTask());
1935
1936 TRACE(winsock, "(%08x): name %s, len %d\n",
1937 (unsigned)pwsi, (name)?name:NULL_STRING, namelen);
1938 if( pwsi )
1939 {
1940 if (gethostname(name, namelen) == 0) return 0;
1941 pwsi->err = (errno == EINVAL) ? WSAEFAULT : wsaErrno();
1942 }
1943 return SOCKET_ERROR;
1944 }
1945
1946 /***********************************************************************
1947 * gethostname() (WINSOCK.57)
1948 */
1949 INT16 WINAPI WINSOCK_gethostname16(char *name, INT16 namelen)
1950 {
1951 return (INT16)WINSOCK_gethostname(name, namelen);
1952 }
1953
1954
1955 /* ------------------------------------- Windows sockets extensions -- *
1956 * *
1957 * ------------------------------------------------------------------- */
1958 /***********************************************************************
1959 * WSAAsyncSelect() (WINSOCK.101)(WSOCK32.101)
1960 */
1961
1962 static ws_select_op* __ws_select_list = NULL;
1963
1964 BOOL WINSOCK_HandleIO( int* max_fd, int num_pending,
1965 fd_set pending_set[3], fd_set event_set[3] )
1966 {
1967 /* This function is called by the event dispatcher
1968 * with the pending_set[] containing the result of select() and
1969 * the event_set[] containing all fd that are being watched */
1970
1971 ws_select_op* psop = __ws_select_list;
1972 BOOL bPost = FALSE;
1973 DWORD dwEvent, dwErrBytes;
1974 int num_posted;
1975
1976 TRACE(winsock,"%i pending descriptors\n", num_pending );
1977
1978 for( num_posted = dwEvent = 0 ; psop; psop = psop->next )
1979 {
1980 unsigned flags = psop->pws->flags;
1981 int fd = psop->pws->fd;
1982 int r, w, e;
1983
1984 w = 0;
1985 if( (r = FD_ISSET( fd, &pending_set[EVENT_IO_READ] )) ||
1986 (w = FD_ISSET( fd, &pending_set[EVENT_IO_WRITE] )) ||
1987 (e = FD_ISSET( fd, &pending_set[EVENT_IO_EXCEPT] )) )
1988 {
1989 /* This code removes WS_FD flags on one-shot events (WS_FD_CLOSE,
1990 * WS_FD_CONNECT), otherwise it clears descriptors in the io_set.
1991 * Reenabling calls turn them back on.
1992 */
1993
1994 TRACE(winsock,"\tchecking psop = 0x%08x\n", (unsigned) psop );
1995
1996 num_pending--;
1997
1998 /* Now figure out what kind of event we've got. The worst problem
1999 * we have to contend with is that some out of control applications
2000 * really want to use mutually exclusive AsyncSelect() flags all at
2001 * the same time.
2002 */
2003
2004 if((flags & WS_FD_ACCEPT) && (flags & WS_FD_LISTENING))
2005 {
2006 /* WS_FD_ACCEPT is valid only if the socket is in the
2007 * listening state */
2008
2009 FD_CLR( fd, &event_set[EVENT_IO_WRITE] );
2010 if( r )
2011 {
2012 FD_CLR( fd, &event_set[EVENT_IO_READ] ); /* reenabled by the next accept() */
2013 dwEvent = WSAMAKESELECTREPLY( WS_FD_ACCEPT, 0 );
2014 bPost = TRUE;
2015 }
2016 else continue;
2017 }
2018 else if( flags & WS_FD_CONNECT )
2019 {
2020 /* connecting socket */
2021
2022 if( w || (w = FD_ISSET( fd, &pending_set[EVENT_IO_WRITE] )) )
2023 {
2024 /* ready to write means that socket is connected
2025 *
2026 * FIXME: Netscape calls AsyncSelect( s, ... WS_FD_CONNECT .. )
2027 * right after s = socket() and somehow "s" becomes writeable
2028 * before it goes through connect()!?!?
2029 */
2030
2031 psop->pws->flags |= WS_FD_CONNECTED;
2032 psop->pws->flags &= ~(WS_FD_CONNECT | WS_FD_INACTIVE);
2033 dwEvent = WSAMAKESELECTREPLY( WS_FD_CONNECT, 0 );
2034
2035 if( flags & (WS_FD_READ | WS_FD_CLOSE))
2036 FD_SET( fd, &event_set[EVENT_IO_READ] );
2037 else
2038 FD_CLR( fd, &event_set[EVENT_IO_READ] );
2039 if( flags & WS_FD_WRITE )
2040 FD_SET( fd, &event_set[EVENT_IO_WRITE] );
2041 else
2042 FD_CLR( fd, &event_set[EVENT_IO_WRITE] );
2043 bPost = TRUE;
2044 }
2045 else if( r )
2046 {
2047 /* failure - do read() to get correct errno */
2048
2049 if( read( fd, &dwErrBytes, sizeof(dwErrBytes) ) == -1 )
2050 {
2051 dwEvent = WSAMAKESELECTREPLY( WS_FD_CONNECT, wsaErrno() );
2052 bPost = TRUE;
2053 }
2054 }
2055 /* otherwise bPost stays FALSE, should probably clear event_set */
2056 }
2057 else
2058 {
2059 /* connected socket, no WS_FD_OOB code for now. */
2060
2061 if( flags & WS_FD_WRITE &&
2062 (w || (w = FD_ISSET( fd, &pending_set[EVENT_IO_WRITE] ))) )
2063 {
2064 /* this will be reenabled when send() or sendto() fail with
2065 * WSAEWOULDBLOCK */
2066
2067 if( PostMessageA( psop->hWnd, psop->uMsg, (WPARAM)WS_PTR2HANDLE(psop->pws),
2068 (LPARAM)WSAMAKESELECTREPLY( WS_FD_WRITE, 0 ) ) )
2069 {
2070 TRACE(winsock, "\t hwnd %04x - %04x, %08x\n",
2071 psop->hWnd, psop->uMsg, (unsigned)MAKELONG(WS_FD_WRITE, 0) );
2072 FD_CLR( fd, &event_set[EVENT_IO_WRITE] );
2073 num_posted++;
2074 }
2075 }
2076
2077 if( r && (flags & (WS_FD_READ | WS_FD_CLOSE)) )
2078 {
2079 int val = (flags & WS_FD_RAW);
2080
2081 /* WS_FD_RAW is set by the WSAAsyncSelect() init */
2082
2083 bPost = TRUE;
2084 if( !val && ioctl( fd, FIONREAD, (char*)&dwErrBytes) == -1 )
2085 {
2086 /* weirdness */
2087
2088 dwEvent = WSAMAKESELECTREPLY( WS_FD_READ, wsaErrno() );
2089 }
2090 else if( val || dwErrBytes )
2091 {
2092 /* got pending data, will be reenabled by recv() or recvfrom() */
2093
2094 FD_CLR( fd, &event_set[EVENT_IO_READ] );
2095 dwEvent = WSAMAKESELECTREPLY( WS_FD_READ, 0 );
2096 }
2097 else
2098 {
2099 /* 0 bytes to read - connection reset by peer? */
2100
2101 do
2102 val = read( fd, (char*)&dwErrBytes, sizeof(dwErrBytes));
2103 while( errno == EINTR );
2104 if( errno != EWOULDBLOCK )
2105 {
2106 switch( val )
2107 {
2108 case 0: errno = ENETDOWN; /* soft reset, fall through */
2109 case -1: /* hard reset */
2110 dwEvent = WSAMAKESELECTREPLY( WS_FD_CLOSE, wsaErrno() );
2111 break;
2112
2113 default: bPost = FALSE;
2114 continue; /* FIXME: this is real bad */
2115 }
2116 }
2117 else { bPost = FALSE; continue; } /* more weirdness */
2118
2119 /* this is it, this socket is closed */
2120
2121 psop->pws->flags &= ~(WS_FD_READ | WS_FD_CLOSE | WS_FD_WRITE);
2122 FD_CLR( fd, &event_set[EVENT_IO_READ] );
2123 FD_CLR( fd, &event_set[EVENT_IO_WRITE] );
2124
2125 if( *max_fd == (fd + 1) ) (*max_fd)--;
2126 }
2127 }
2128 }
2129
2130 if( bPost )
2131 {
2132 TRACE(winsock, "\t hwnd %04x - %04x, %08x\n",
2133 psop->hWnd, psop->uMsg, (unsigned)dwEvent );
2134 PostMessageA( psop->hWnd, psop->uMsg,
2135 (WPARAM)WS_PTR2HANDLE(psop->pws), (LPARAM)dwEvent );
2136 bPost = FALSE;
2137 num_posted++;
2138 }
2139 }
2140 if( num_pending <= 0 ) break;
2141 }
2142
2143 TRACE(winsock, "\tdone, %i posted events\n", num_posted );
2144 return ( num_posted ) ? TRUE : FALSE;
2145 }
2146
2147 INT WINAPI WSAAsyncSelect(SOCKET s, HWND hWnd, UINT uMsg, UINT lEvent)
2148 {
2149 ws_socket* pws = (ws_socket*)WS_HANDLE2PTR(s);
2150 LPWSINFO pwsi = wsi_find(GetCurrentTask());
2151
2152 TRACE(winsock, "(%08x): %04x, hWnd %04x, uMsg %08x, event %08x\n",
2153 (unsigned)pwsi, (SOCKET16)s, (HWND16)hWnd, uMsg, (unsigned)lEvent );
2154 if( _check_ws(pwsi, pws) )
2155 {
2156 ws_select_op* psop;
2157
2158 if( (psop = pws->psop) )
2159 {
2160 /* delete previous control struct */
2161
2162 if( psop == __ws_select_list )
2163 __ws_select_list = psop->next;
2164 else
2165 psop->prev->next = psop->next;
2166 if( psop->next ) psop->next->prev = psop->prev;
2167
2168 if( pws->flags & (WS_FD_ACCEPT | WS_FD_CONNECT | WS_FD_READ | WS_FD_CLOSE) )
2169 EVENT_DeleteIO( pws->fd, EVENT_IO_READ );
2170 if( pws->flags & (WS_FD_CONNECT | WS_FD_WRITE) )
2171 EVENT_DeleteIO( pws->fd, EVENT_IO_WRITE );
2172
2173 TRACE(winsock,"\tremoving psop = 0x%08x\n", (unsigned) psop );
2174
2175 WS_FREE( pws->psop );
2176 pws->flags &= ~(WS_FD_RAW | WS_FD_ACCEPT | WS_FD_CONNECT |
2177 WS_FD_READ | WS_FD_WRITE | WS_FD_CLOSE);
2178 pws->psop = NULL;
2179 }
2180
2181 if( lEvent )
2182 {
2183 psop = (ws_select_op*)WS_ALLOC(sizeof(ws_select_op));
2184 if( psop )
2185 {
2186 int sock_type, bytes = sizeof(int);
2187
2188 WINSOCK_unblock_io( pws->fd, TRUE );
2189
2190 psop->prev = NULL;
2191 psop->next = __ws_select_list;
2192 if( __ws_select_list )
2193 __ws_select_list->prev = psop;
2194 __ws_select_list = psop;
2195
2196 psop->pws = pws;
2197 psop->hWnd = hWnd;
2198 psop->uMsg = uMsg;
2199
2200 pws->psop = psop;
2201 pws->flags |= (0x0000FFFF & lEvent);
2202 getsockopt(pws->fd, SOL_SOCKET, SO_TYPE, &sock_type, &bytes);
2203 if( sock_type == SOCK_RAW ) pws->flags |= WS_FD_RAW;
2204
2205 if( lEvent & (WS_FD_ACCEPT | WS_FD_CONNECT | WS_FD_READ | WS_FD_CLOSE) )
2206 EVENT_AddIO( pws->fd, EVENT_IO_READ );
2207 if( lEvent & (WS_FD_CONNECT | WS_FD_WRITE) )
2208 EVENT_AddIO( pws->fd, EVENT_IO_WRITE );
2209
2210 /* TODO: handle WS_FD_ACCEPT right away if the socket is readable */
2211
2212 TRACE(winsock,"\tcreating psop = 0x%08x\n", (unsigned)psop );
2213
2214 return 0; /* success */
2215 }
2216 else pwsi->err = WSAENOBUFS;
2217 }
2218 else return 0;
2219 }
2220 else if( pwsi ) pwsi->err = WSAEINVAL;
2221 return SOCKET_ERROR;
2222 }
2223
2224 INT16 WINAPI WSAAsyncSelect16(SOCKET16 s, HWND16 hWnd, UINT16 wMsg, UINT lEvent)
2225 {
2226 return (INT16)WSAAsyncSelect( s, hWnd, wMsg, lEvent );
2227 }
2228
2229
2230 /***********************************************************************
2231 * __WSAFDIsSet() (WINSOCK.151)
2232 */
2233 INT16 WINAPI __WSAFDIsSet16(SOCKET16 s, ws_fd_set16 *set)
2234 {
2235 int i = set->fd_count;
2236
2237 TRACE(winsock, "(%d,%8lx(%i))\n", s,(unsigned long)set, i);
2238
2239 while (i--)
2240 if (set->fd_array[i] == s) return 1;
2241 return 0;
2242 }
2243
2244 /***********************************************************************
2245 * __WSAFDIsSet() (WSOCK32.151)
2246 */
2247 INT WINAPI __WSAFDIsSet(SOCKET s, ws_fd_set32 *set)
2248 {
2249 int i = set->fd_count;
2250
2251 TRACE(winsock, "(%d,%8lx(%i))\n", s,(unsigned long)set, i);
2252
2253 while (i--)
2254 if (set->fd_array[i] == s) return 1;
2255 return 0;
2256 }
2257
2258 /***********************************************************************
2259 * WSAIsBlocking() (WINSOCK.114)(WSOCK32.114)
2260 */
2261 BOOL WINAPI WSAIsBlocking(void)
2262 {
2263 /* By default WinSock should set all its sockets to non-blocking mode
2264 * and poll in PeekMessage loop when processing "blocking" ones. This
2265 * function is supposed to tell if the program is in this loop. Our
2266 * blocking calls are truly blocking so we always return FALSE.
2267 *
2268 * Note: It is allowed to call this function without prior WSAStartup().
2269 */
2270
2271 TRACE(winsock, "\n");
2272 return FALSE;
2273 }
2274
2275 /***********************************************************************
2276 * WSACancelBlockingCall() (WINSOCK.113)(WSOCK32.113)
2277 */
2278 INT WINAPI WSACancelBlockingCall(void)
2279 {
2280 LPWSINFO pwsi = wsi_find(GetCurrentTask());
2281
2282 TRACE(winsock, "(%08x)\n", (unsigned)pwsi);
2283
2284 if( pwsi ) return 0;
2285 return SOCKET_ERROR;
2286 }
2287
2288
2289 /***********************************************************************
2290 * WSASetBlockingHook16() (WINSOCK.109)
2291 */
2292 FARPROC16 WINAPI WSASetBlockingHook16(FARPROC16 lpBlockFunc)
2293 {
2294 FARPROC16 prev;
2295 LPWSINFO pwsi = wsi_find(GetCurrentTask());
2296
2297 TRACE(winsock, "(%08x): hook %08x\n",
2298 (unsigned)pwsi, (unsigned) lpBlockFunc);
2299 if( pwsi )
2300 {
2301 prev = (FARPROC16)pwsi->blocking_hook;
2302 pwsi->blocking_hook = (DWORD)lpBlockFunc;
2303 pwsi->flags &= ~WSI_BLOCKINGHOOK;
2304 return prev;
2305 }
2306 return 0;
2307 }
2308
2309
2310 /***********************************************************************
2311 * WSASetBlockingHook32()
2312 */
2313 FARPROC WINAPI WSASetBlockingHook(FARPROC lpBlockFunc)
2314 {
2315 FARPROC prev;
2316 LPWSINFO pwsi = wsi_find(GetCurrentTask());
2317
2318 TRACE(winsock, "(%08x): hook %08x\n",
2319 (unsigned)pwsi, (unsigned) lpBlockFunc);
2320 if( pwsi ) {
2321 prev = (FARPROC)pwsi->blocking_hook;
2322 pwsi->blocking_hook = (DWORD)lpBlockFunc;
2323 pwsi->flags |= WSI_BLOCKINGHOOK;
2324 return prev;
2325 }
2326 return NULL;
2327 }
2328
2329
2330 /***********************************************************************
2331 * WSAUnhookBlockingHook16() (WINSOCK.110)
2332 */
2333 INT16 WINAPI WSAUnhookBlockingHook16(void)
2334 {
2335 LPWSINFO pwsi = wsi_find(GetCurrentTask());
2336
2337 TRACE(winsock, "(%08x)\n", (unsigned)pwsi);
2338 if( pwsi ) return (INT16)(pwsi->blocking_hook = 0);
2339 return SOCKET_ERROR;
2340 }
2341
2342
2343 /***********************************************************************
2344 * WSAUnhookBlockingHook32()
2345 */
2346 INT WINAPI WSAUnhookBlockingHook(void)
2347 {
2348 LPWSINFO pwsi = wsi_find(GetCurrentTask());
2349
2350 TRACE(winsock, "(%08x)\n", (unsigned)pwsi);
2351 if( pwsi )
2352 {
2353 pwsi->blocking_hook = 0;
2354 pwsi->flags &= ~WSI_BLOCKINGHOOK;
2355 return 0;
2356 }
2357 return SOCKET_ERROR;
2358 }
2359
2360 /*
2361 * TCP/IP action codes.
2362 */
2363
2364
2365 #define WSCNTL_TCPIP_QUERY_INFO 0x00000000
2366 #define WSCNTL_TCPIP_SET_INFO 0x00000001
2367 #define WSCNTL_TCPIP_ICMP_ECHO 0x00000002
2368 #define WSCNTL_TCPIP_TEST 0x00000003
2369
2370
2371 /***********************************************************************
2372 * WsControl()
2373 *
2374 * WsControl seems to be an undocumented Win95 function. A lot of
2375 * discussion about WsControl can be found on the net, e.g.
2376 * Subject: Re: WSOCK32.DLL WsControl Exported Function
2377 * From: "Peter Rindfuss" <rindfuss-s@medea.wz-berlin.de>
2378 * Date: 1997/08/17
2379 */
2380
2381 DWORD WINAPI WsControl(DWORD protocoll,DWORD action,
2382 LPVOID inbuf,LPDWORD inbuflen,
2383 LPVOID outbuf,LPDWORD outbuflen)
2384 {
2385
2386 switch (action) {
2387 case WSCNTL_TCPIP_ICMP_ECHO:
2388 {
2389 unsigned int addr = *(unsigned int*)inbuf;
2390 #if 0
2391 int timeout= *(unsigned int*)(inbuf+4);
2392 short x1 = *(unsigned short*)(inbuf+8);
2393 short sendbufsize = *(unsigned short*)(inbuf+10);
2394 char x2 = *(unsigned char*)(inbuf+12);
2395 char ttl = *(unsigned char*)(inbuf+13);
2396 char service = *(unsigned char*)(inbuf+14);
2397 char type= *(unsigned char*)(inbuf+15); /* 0x2: don't fragment*/
2398 #endif
2399
2400 FIXME(winsock,"(ICMP_ECHO) to 0x%08x stub \n", addr);
2401 break;
2402 }
2403 default:
2404 FIXME(winsock,"(%lx,%lx,%p,%p,%p,%p) stub\n",
2405 protocoll,action,inbuf,inbuflen,outbuf,outbuflen);
2406 }
2407 return FALSE;
2408 }
2409 /*********************************************************
2410 * WS_s_perror WSOCK32.1108
2411 */
2412 void WINAPI WS_s_perror(LPCSTR message)
2413 {
2414 FIXME(winsock,"(%s): stub\n",message);
2415 return;
2416 }
2417
2418
2419 /* ----------------------------------- end of API stuff */
2420
2421 /* ----------------------------------- helper functions -
2422 *
2423 * TODO: Merge WS_dup_..() stuff into one function that
2424 * would operate with a generic structure containing internal
2425 * pointers (via a template of some kind).
2426 */
2427
2428 static int list_size(char** l, int item_size)
2429 {
2430 int i,j = 0;
2431 if(l)
2432 { for(i=0;l[i];i++)
2433 j += (item_size) ? item_size : strlen(l[i]) + 1;
2434 j += (i + 1) * sizeof(char*); }
2435 return j;
2436 }
2437
2438 static int list_dup(char** l_src, char* ref, char* base, int item_size)
2439 {
2440 /* base is either either equal to ref or 0 or SEGPTR */
2441
2442 char* p = ref;
2443 char** l_to = (char**)ref;
2444 int i,j,k;
2445
2446 for(j=0;l_src[j];j++) ;
2447 p += (j + 1) * sizeof(char*);
2448 for(i=0;i<j;i++)
2449 { l_to[i] = base + (p - ref);
2450 k = ( item_size ) ? item_size : strlen(l_src[i]) + 1;
2451 memcpy(p, l_src[i], k); p += k; }
2452 l_to[i] = NULL;
2453 return (p - ref);
2454 }
2455
2456 /* ----- hostent */
2457
2458 static int hostent_size(struct hostent* p_he)
2459 {
2460 int size = 0;
2461 if( p_he )
2462 { size = sizeof(struct hostent);
2463 size += strlen(p_he->h_name) + 1;
2464 size += list_size(p_he->h_aliases, 0);
2465 size += list_size(p_he->h_addr_list, p_he->h_length ); }
2466 return size;
2467 }
2468
2469 int WS_dup_he(LPWSINFO pwsi, struct hostent* p_he, int flag)
2470 {
2471 /* Convert hostent structure into ws_hostent so that the data fits
2472 * into pwsi->buffer. Internal pointers can be linear, SEGPTR, or
2473 * relative to pwsi->buffer depending on "flag" value. Returns size
2474 * of the data copied (also in the pwsi->buflen).
2475 */
2476
2477 int size = hostent_size(p_he);
2478
2479 if( size )
2480 {
2481 struct ws_hostent* p_to;
2482 char* p_name,*p_aliases,*p_addr,*p_base,*p;
2483
2484 _check_buffer_he(pwsi, size);
2485 p_to = (struct ws_hostent*)pwsi->he;
2486 p = (char*)pwsi->he;
2487 p_base = (flag & WS_DUP_OFFSET) ? NULL
2488 : ((flag & WS_DUP_SEGPTR) ? (char*)SEGPTR_GET(p) : p);
2489 p += sizeof(struct ws_hostent);
2490 p_name = p;
2491 strcpy(p, p_he->h_name); p += strlen(p) + 1;
2492 p_aliases = p;
2493 p += list_dup(p_he->h_aliases, p, p_base + (p - (char*)pwsi->he), 0);
2494 p_addr = p;
2495 list_dup(p_he->h_addr_list, p, p_base + (p - (char*)pwsi->he), p_he->h_length);
2496
2497 p_to->h_addrtype = (INT16)p_he->h_addrtype;
2498 p_to->h_length = (INT16)p_he->h_length;
2499 p_to->h_name = (SEGPTR)(p_base + (p_name - (char*)pwsi->he));
2500 p_to->h_aliases = (SEGPTR)(p_base + (p_aliases - (char*)pwsi->he));
2501 p_to->h_addr_list = (SEGPTR)(p_base + (p_addr - (char*)pwsi->he));
2502
2503 size += (sizeof(struct ws_hostent) - sizeof(struct hostent));
2504 }
2505 return size;
2506 }
2507
2508 /* ----- protoent */
2509
2510 static int protoent_size(struct protoent* p_pe)
2511 {
2512 int size = 0;
2513 if( p_pe )
2514 { size = sizeof(struct protoent);
2515 size += strlen(p_pe->p_name) + 1;
2516 size += list_size(p_pe->p_aliases, 0); }
2517 return size;
2518 }
2519
2520 int WS_dup_pe(LPWSINFO pwsi, struct protoent* p_pe, int flag)
2521 {
2522 int size = protoent_size(p_pe);
2523 if( size )
2524 {
2525 struct ws_protoent* p_to;
2526 char* p_name,*p_aliases,*p_base,*p;
2527
2528 _check_buffer_pe(pwsi, size);
2529 p_to = (struct ws_protoent*)pwsi->pe;
2530 p = (char*)pwsi->pe;
2531 p_base = (flag & WS_DUP_OFFSET) ? NULL
2532 : ((flag & WS_DUP_SEGPTR) ? (char*)SEGPTR_GET(p) : p);
2533 p += sizeof(struct ws_protoent);
2534 p_name = p;
2535 strcpy(p, p_pe->p_name); p += strlen(p) + 1;
2536 p_aliases = p;
2537 list_dup(p_pe->p_aliases, p, p_base + (p - (char*)pwsi->pe), 0);
2538
2539 p_to->p_proto = (INT16)p_pe->p_proto;
2540 p_to->p_name = (SEGPTR)(p_base) + (p_name - (char*)pwsi->pe);
2541 p_to->p_aliases = (SEGPTR)((p_base) + (p_aliases - (char*)pwsi->pe));
2542
2543 size += (sizeof(struct ws_protoent) - sizeof(struct protoent));
2544 }
2545 return size;
2546 }
2547
2548 /* ----- servent */
2549
2550 static int servent_size(struct servent* p_se)
2551 {
2552 int size = 0;
2553 if( p_se )
2554 { size += sizeof(struct servent);
2555 size += strlen(p_se->s_proto) + strlen(p_se->s_name) + 2;
2556 size += list_size(p_se->s_aliases, 0); }
2557 return size;
2558 }
2559
2560 int WS_dup_se(LPWSINFO pwsi, struct servent* p_se, int flag)
2561 {
2562 int size = servent_size(p_se);
2563 if( size )
2564 {
2565 struct ws_servent* p_to;
2566 char* p_name,*p_aliases,*p_proto,*p_base,*p;
2567
2568 _check_buffer_se(pwsi, size);
2569 p_to = (struct ws_servent*)pwsi->se;
2570 p = (char*)pwsi->se;
2571 p_base = (flag & WS_DUP_OFFSET) ? NULL
2572 : ((flag & WS_DUP_SEGPTR) ? (char*)SEGPTR_GET(p) : p);
2573 p += sizeof(struct ws_servent);
2574 p_name = p;
2575 strcpy(p, p_se->s_name); p += strlen(p) + 1;
2576 p_proto = p;
2577 strcpy(p, p_se->s_proto); p += strlen(p) + 1;
2578 p_aliases = p;
2579 list_dup(p_se->s_aliases, p, p_base + (p - (char*)pwsi->se), 0);
2580
2581 p_to->s_port = (INT16)p_se->s_port;
2582 p_to->s_name = (SEGPTR)(p_base + (p_name - (char*)pwsi->se));
2583 p_to->s_proto = (SEGPTR)(p_base + (p_proto - (char*)pwsi->se));
2584 p_to->s_aliases = (SEGPTR)(p_base + (p_aliases - (char*)pwsi->se));
2585
2586 size += (sizeof(struct ws_servent) - sizeof(struct servent));
2587 }
2588 return size;
2589 }
2590
2591 /* ----------------------------------- error handling */
2592
2593 UINT16 wsaErrno(void)
2594 {
2595 int loc_errno = errno;
2596 #ifdef HAVE_STRERROR
2597 WARN(winsock, "errno %d, (%s).\n", loc_errno, strerror(loc_errno));
2598 #else
2599 WARN(winsock, "errno %d\n", loc_errno);
2600 #endif
2601
2602 switch(loc_errno)
2603 {
2604 case EINTR: return WSAEINTR;
2605 case EBADF: return WSAEBADF;
2606 case EACCES: return WSAEACCES;
2607 case EFAULT: return WSAEFAULT;
2608 case EINVAL: return WSAEINVAL;
2609 case EMFILE: return WSAEMFILE;
2610 case EWOULDBLOCK: return WSAEWOULDBLOCK;
2611 case EINPROGRESS: return WSAEINPROGRESS;
2612 case EALREADY: return WSAEALREADY;
2613 case ENOTSOCK: return WSAENOTSOCK;
2614 case EDESTADDRREQ: return WSAEDESTADDRREQ;
2615 case EMSGSIZE: return WSAEMSGSIZE;
2616 case EPROTOTYPE: return WSAEPROTOTYPE;
2617 case ENOPROTOOPT: return WSAENOPROTOOPT;
2618 case EPROTONOSUPPORT: return WSAEPROTONOSUPPORT;
2619 case ESOCKTNOSUPPORT: return WSAESOCKTNOSUPPORT;
2620 case EOPNOTSUPP: return WSAEOPNOTSUPP;
2621 case EPFNOSUPPORT: return WSAEPFNOSUPPORT;
2622 case EAFNOSUPPORT: return WSAEAFNOSUPPORT;
2623 case EADDRINUSE: return WSAEADDRINUSE;
2624 case EADDRNOTAVAIL: return WSAEADDRNOTAVAIL;
2625 case ENETDOWN: return WSAENETDOWN;
2626 case ENETUNREACH: return WSAENETUNREACH;
2627 case ENETRESET: return WSAENETRESET;
2628 case ECONNABORTED: return WSAECONNABORTED;
2629 case EPIPE:
2630 case ECONNRESET: return WSAECONNRESET;
2631 case ENOBUFS: return WSAENOBUFS;
2632 case EISCONN: return WSAEISCONN;
2633 case ENOTCONN: return WSAENOTCONN;
2634 case ESHUTDOWN: return WSAESHUTDOWN;
2635 case ETOOMANYREFS: return WSAETOOMANYREFS;
2636 case ETIMEDOUT: return WSAETIMEDOUT;
2637 case ECONNREFUSED: return WSAECONNREFUSED;
2638 case ELOOP: return WSAELOOP;
2639 case ENAMETOOLONG: return WSAENAMETOOLONG;
2640 case EHOSTDOWN: return WSAEHOSTDOWN;
2641 case EHOSTUNREACH: return WSAEHOSTUNREACH;
2642 case ENOTEMPTY: return WSAENOTEMPTY;
2643 #ifdef EPROCLIM
2644 case EPROCLIM: return WSAEPROCLIM;
2645 #endif
2646 #ifdef EUSERS
2647 case EUSERS: return WSAEUSERS;
2648 #endif
2649 #ifdef EDQUOT
2650 case EDQUOT: return WSAEDQUOT;
2651 #endif
2652 #ifdef ESTALE
2653 case ESTALE: return WSAESTALE;
2654 #endif
2655 #ifdef EREMOTE
2656 case EREMOTE: return WSAEREMOTE;
2657 #endif
2658
2659 /* just in case we ever get here and there are no problems */
2660 case 0: return 0;
2661 default:
2662 WARN(winsock, "Unknown errno %d!\n", loc_errno);
2663 return WSAEOPNOTSUPP;
2664 }
2665 }
2666
2667 UINT16 wsaHerrno(void)
2668 {
2669 int loc_errno = h_errno;
2670
2671 WARN(winsock, "h_errno %d.\n", loc_errno);
2672
2673 switch(loc_errno)
2674 {
2675 case HOST_NOT_FOUND: return WSAHOST_NOT_FOUND;
2676 case TRY_AGAIN: return WSATRY_AGAIN;
2677 case NO_RECOVERY: return WSANO_RECOVERY;
2678 case NO_DATA: return WSANO_DATA;
2679
2680 case 0: return 0;
2681 default:
2682 WARN(winsock,"Unknown h_errno %d!\n", loc_errno);
2683 return WSAEOPNOTSUPP;
2684 }
2685 }
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