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Fakes a negotiation of the winsock version.
[wine.git] / dlls / winsock / socket.c
blob254f42eff991de65482b994233a70b956edc4a72
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 #ifdef HAVE_SYS_IPC_H
18 # include <sys/ipc.h>
19 #endif
20 #include <sys/ioctl.h>
21 #ifdef HAVE_SYS_FILIO_H
22 # include <sys/filio.h>
23 #endif
24 #if defined(__svr4__) || defined(__sun)
25 #include <sys/ioccom.h>
26 #ifdef HAVE_SYS_SOCKIO_H
27 # include <sys/sockio.h>
28 #endif
29 #endif
30
31 #if defined(__EMX__)
32 # include <sys/so_ioctl.h>
33 #endif
34
35 #ifdef HAVE_SYS_PARAM_H
36 # include <sys/param.h>
37 #endif
38
39 #ifdef HAVE_SYS_MSG_H
40 # include <sys/msg.h>
41 #endif
42 #ifdef HAVE_SYS_WAIT_H
43 # include <sys/wait.h>
44 #endif
45 #ifdef HAVE_SYS_SOCKET_H
46 #include <sys/socket.h>
47 #endif
48 #ifdef HAVE_NETINET_IN_H
49 # include <netinet/in.h>
50 #endif
51 #ifdef HAVE_NETINET_TCP_H
52 # include <netinet/tcp.h>
53 #endif
54 #ifdef HAVE_ARPA_INET_H
55 # include <arpa/inet.h>
56 #endif
57 #include <ctype.h>
58 #include <fcntl.h>
59 #include <errno.h>
60 #ifdef HAVE_SYS_ERRNO_H
61 #include <sys/errno.h>
62 #endif
63 #include <netdb.h>
64 #include <unistd.h>
65 #include <stdlib.h>
66 #ifdef HAVE_ARPA_NAMESER_H
67 # include <arpa/nameser.h>
68 #endif
69 #ifdef HAVE_RESOLV_H
70 # include <resolv.h>
71 #endif
72
73 #include "wine/winbase16.h"
74 #include "wingdi.h"
75 #include "winuser.h"
76 #include "winsock2.h"
77 #include "winnt.h"
78 #include "heap.h"
79 #include "task.h"
80 #include "message.h"
81 #include "miscemu.h"
82 #include "wine/port.h"
83 #include "services.h"
84 #include "server.h"
85 #include "debugtools.h"
86
87 DEFAULT_DEBUG_CHANNEL(winsock)
88
89 #define DEBUG_SOCKADDR 0
90 #define dump_sockaddr(a) \
91 DPRINTF("sockaddr_in: family %d, address %s, port %d\n", \
92 ((struct sockaddr_in *)a)->sin_family, \
93 inet_ntoa(((struct sockaddr_in *)a)->sin_addr), \
94 ntohs(((struct sockaddr_in *)a)->sin_port))
95
96 /* ----------------------------------- internal data */
97
98 /* ws_... struct conversion flags */
99
100 #define WS_DUP_LINEAR 0x0001
101 #define WS_DUP_NATIVE 0x0000 /* not used anymore */
102 #define WS_DUP_OFFSET 0x0002 /* internal pointers are offsets */
103 #define WS_DUP_SEGPTR 0x0004 /* internal pointers are SEGPTRs */
104 /* by default, internal pointers are linear */
105 typedef struct /* WSAAsyncSelect() control struct */
106 {
107 HANDLE service, event, sock;
108 HWND hWnd;
109 UINT uMsg;
110 LONG lEvent;
111 struct _WSINFO *pwsi;
112 } ws_select_info;
113
114 #define WS_MAX_SOCKETS_PER_PROCESS 128 /* reasonable guess */
115 #define WS_MAX_UDP_DATAGRAM 1024
116
117 #define WS_ACCEPT_QUEUE 6
118
119 #define WSI_BLOCKINGCALL 0x00000001 /* per-thread info flags */
120 #define WSI_BLOCKINGHOOK 0x00000002 /* 32-bit callback */
121
122 typedef struct _WSINFO
123 {
124 DWORD dwThisProcess;
125 struct _WSINFO *lpNextIData;
126
127 unsigned flags;
128 INT16 num_startup; /* reference counter */
129 INT16 num_async_rq;
130 INT16 last_free; /* entry in the socket table */
131 UINT16 buflen;
132 char* buffer; /* allocated from SEGPTR heap */
133 struct ws_hostent *he;
134 int helen;
135 struct ws_servent *se;
136 int selen;
137 struct ws_protoent *pe;
138 int pelen;
139 char* dbuffer; /* buffer for dummies (32 bytes) */
140
141 DWORD blocking_hook;
142
143 volatile HANDLE accept_old[WS_ACCEPT_QUEUE], accept_new[WS_ACCEPT_QUEUE];
144 } WSINFO, *LPWSINFO;
145
146 /* function prototypes */
147 int WS_dup_he(LPWSINFO pwsi, struct hostent* p_he, int flag);
148 int WS_dup_pe(LPWSINFO pwsi, struct protoent* p_pe, int flag);
149 int WS_dup_se(LPWSINFO pwsi, struct servent* p_se, int flag);
150
151 UINT16 wsaErrno(void);
152 UINT16 wsaHerrno(void);
153
154 static HANDLE _WSHeap = 0;
155
156 #define WS_ALLOC(size) \
157 HeapAlloc(_WSHeap, HEAP_ZERO_MEMORY, (size) )
158 #define WS_FREE(ptr) \
159 HeapFree(_WSHeap, 0, (ptr) )
160
161 static INT _ws_sock_ops[] =
162 { WS_SO_DEBUG, WS_SO_REUSEADDR, WS_SO_KEEPALIVE, WS_SO_DONTROUTE,
163 WS_SO_BROADCAST, WS_SO_LINGER, WS_SO_OOBINLINE, WS_SO_SNDBUF,
164 WS_SO_RCVBUF, WS_SO_ERROR, WS_SO_TYPE, WS_SO_DONTLINGER,
165 #ifdef SO_RCVTIMEO
166 WS_SO_RCVTIMEO,
167 #endif
168 0 };
169 static int _px_sock_ops[] =
170 { SO_DEBUG, SO_REUSEADDR, SO_KEEPALIVE, SO_DONTROUTE, SO_BROADCAST,
171 SO_LINGER, SO_OOBINLINE, SO_SNDBUF, SO_RCVBUF, SO_ERROR, SO_TYPE,
172 WS_SO_DONTLINGER, /* no unix equivalent */
173 #ifdef SO_RCVTIMEO
174 SO_RCVTIMEO,
175 #endif
176 };
177
178 static INT _ws_tcp_ops[] = {
179 #ifdef TCP_NODELAY
180 WS_TCP_NODELAY,
181 #endif
182 0
183 };
184 static int _px_tcp_ops[] = {
185 #ifdef TCP_NODELAY
186 TCP_NODELAY,
187 #endif
188 0
189 };
190
191 /* we need a special routine to handle WSA* errors */
192 static inline int sock_server_call( enum request req )
193 {
194 unsigned int res = server_call_noerr( req );
195 if (res)
196 {
197 /* do not map WSA errors */
198 if ((res < WSABASEERR) || (res >= 0x10000000)) res = RtlNtStatusToDosError(res);
199 SetLastError( res );
200 }
201 return res;
202 }
203
204 static int _check_ws(LPWSINFO pwsi, SOCKET s);
205 static char* _check_buffer(LPWSINFO pwsi, int size);
206
207 static int _get_sock_fd(SOCKET s)
208 {
209 struct get_read_fd_request *req = get_req_buffer();
210 int fd;
211
212 req->handle = s;
213 server_call_fd( REQ_GET_READ_FD, -1, &fd );
214 if (fd == -1)
215 FIXME("handle %d is not a socket (GLE %ld)\n",s,GetLastError());
216 return fd;
217 }
218
219 static void _enable_event(SOCKET s, unsigned int event,
220 unsigned int sstate, unsigned int cstate)
221 {
222 struct enable_socket_event_request *req = get_req_buffer();
223
224 req->handle = s;
225 req->mask = event;
226 req->sstate = sstate;
227 req->cstate = cstate;
228 sock_server_call( REQ_ENABLE_SOCKET_EVENT );
229 }
230
231 static int _is_blocking(SOCKET s)
232 {
233 struct get_socket_event_request *req = get_req_buffer();
234
235 req->handle = s;
236 req->service = FALSE;
237 req->s_event = 0;
238 req->c_event = 0;
239 sock_server_call( REQ_GET_SOCKET_EVENT );
240 return (req->state & WS_FD_NONBLOCKING) == 0;
241 }
242
243 static unsigned int _get_sock_mask(SOCKET s)
244 {
245 struct get_socket_event_request *req = get_req_buffer();
246
247 req->handle = s;
248 req->service = FALSE;
249 req->s_event = 0;
250 req->c_event = 0;
251 sock_server_call( REQ_GET_SOCKET_EVENT );
252 return req->mask;
253 }
254
255 static void _sync_sock_state(SOCKET s)
256 {
257 /* do a dummy wineserver request in order to let
258 the wineserver run through its select loop once */
259 (void)_is_blocking(s);
260 }
261
262 static int _get_sock_error(SOCKET s, unsigned int bit)
263 {
264 struct get_socket_event_request *req = get_req_buffer();
265
266 req->handle = s;
267 req->service = FALSE;
268 req->s_event = 0;
269 req->c_event = 0;
270 sock_server_call( REQ_GET_SOCKET_EVENT );
271 return req->errors[bit];
272 }
273
274 static LPWSINFO lpFirstIData = NULL;
275
276 static LPWSINFO WINSOCK_GetIData(void)
277 {
278 DWORD pid = GetCurrentProcessId();
279 LPWSINFO iData;
280
281 for (iData = lpFirstIData; iData; iData = iData->lpNextIData) {
282 if (iData->dwThisProcess == pid)
283 break;
284 }
285 return iData;
286 }
287
288 static BOOL WINSOCK_CreateIData(void)
289 {
290 LPWSINFO iData;
291
292 iData = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WSINFO));
293 if (!iData)
294 return FALSE;
295 iData->dwThisProcess = GetCurrentProcessId();
296 iData->lpNextIData = lpFirstIData;
297 lpFirstIData = iData;
298 return TRUE;
299 }
300
301 static void WINSOCK_DeleteIData(void)
302 {
303 LPWSINFO iData = WINSOCK_GetIData();
304 LPWSINFO* ppid;
305 if (iData) {
306 for (ppid = &lpFirstIData; *ppid; ppid = &(*ppid)->lpNextIData) {
307 if (*ppid == iData) {
308 *ppid = iData->lpNextIData;
309 break;
310 }
311 }
312
313 if( iData->flags & WSI_BLOCKINGCALL )
314 TRACE("\tinside blocking call!\n");
315
316 /* delete scratch buffers */
317
318 if( iData->buffer ) SEGPTR_FREE(iData->buffer);
319 if( iData->dbuffer ) SEGPTR_FREE(iData->dbuffer);
320
321 HeapFree(GetProcessHeap(), 0, iData);
322 }
323 }
324
325 /***********************************************************************
326 * WSOCK32_LibMain (WSOCK32.init)
327 */
328 BOOL WINAPI WSOCK32_LibMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID fImpLoad)
329 {
330 TRACE("0x%x 0x%lx %p\n", hInstDLL, fdwReason, fImpLoad);
331 switch (fdwReason) {
332 case DLL_PROCESS_DETACH:
333 WINSOCK_DeleteIData();
334 break;
335 }
336 return TRUE;
337 }
338
339 /***********************************************************************
340 * WINSOCK_LibMain (WINSOCK.init)
341 */
342 BOOL WINAPI WINSOCK_LibMain(DWORD fdwReason, HINSTANCE hInstDLL, WORD ds,
343 WORD wHeapSize, DWORD dwReserved1, WORD wReserved2)
344 {
345 TRACE("0x%x 0x%lx\n", hInstDLL, fdwReason);
346 switch (fdwReason) {
347 case DLL_PROCESS_DETACH:
348 WINSOCK_DeleteIData();
349 break;
350 }
351 return TRUE;
352 }
353
354 /***********************************************************************
355 * convert_sockopt()
356 *
357 * Converts socket flags from Windows format.
358 */
359 static void convert_sockopt(INT *level, INT *optname)
360 {
361 int i;
362 switch (*level)
363 {
364 case WS_SOL_SOCKET:
365 *level = SOL_SOCKET;
366 for(i=0; _ws_sock_ops[i]; i++)
367 if( _ws_sock_ops[i] == *optname ) break;
368 if( _ws_sock_ops[i] ) *optname = _px_sock_ops[i];
369 else FIXME("Unknown SOL_SOCKET optname %d\n", *optname);
370 break;
371 case WS_IPPROTO_TCP:
372 *level = IPPROTO_TCP;
373 for(i=0; _ws_tcp_ops[i]; i++)
374 if ( _ws_tcp_ops[i] == *optname ) break;
375 if( _ws_tcp_ops[i] ) *optname = _px_tcp_ops[i];
376 else FIXME("Unknown IPPROTO_TCP optname %d\n", *optname);
377 break;
378 }
379 }
380
381 /* ----------------------------------- Per-thread info (or per-process?) */
382
383 static int wsi_strtolo(LPWSINFO pwsi, const char* name, const char* opt)
384 {
385 /* Stuff a lowercase copy of the string into the local buffer */
386
387 int i = strlen(name) + 2;
388 char* p = _check_buffer(pwsi, i + ((opt)?strlen(opt):0));
389
390 if( p )
391 {
392 do *p++ = tolower(*name); while(*name++);
393 i = (p - (char*)(pwsi->buffer));
394 if( opt ) do *p++ = tolower(*opt); while(*opt++);
395 return i;
396 }
397 return 0;
398 }
399
400 static fd_set* fd_set_import( fd_set* fds, LPWSINFO pwsi, void* wsfds, int* highfd, int lfd[], BOOL b32 )
401 {
402 /* translate Winsock fd set into local fd set */
403
404 if( wsfds )
405 {
406 #define wsfds16 ((ws_fd_set16*)wsfds)
407 #define wsfds32 ((ws_fd_set32*)wsfds)
408 int i, count;
409
410 FD_ZERO(fds);
411 count = b32 ? wsfds32->fd_count : wsfds16->fd_count;
412
413 for( i = 0; i < count; i++ )
414 {
415 int s = (b32) ? wsfds32->fd_array[i]
416 : wsfds16->fd_array[i];
417 if( _check_ws(pwsi, s) )
418 {
419 int fd = _get_sock_fd(s);
420 lfd[ i ] = fd;
421 if( fd > *highfd ) *highfd = fd;
422 FD_SET(fd, fds);
423 }
424 else lfd[ i ] = -1;
425 }
426 #undef wsfds32
427 #undef wsfds16
428 return fds;
429 }
430 return NULL;
431 }
432
433 inline static int sock_error_p(int s)
434 {
435 unsigned int optval, optlen;
436
437 optlen = sizeof(optval);
438 getsockopt(s, SOL_SOCKET, SO_ERROR, (void *) &optval, &optlen);
439 if (optval) WARN("\t[%i] error: %d\n", s, optval);
440 return optval != 0;
441 }
442
443 static int fd_set_export( LPWSINFO pwsi, fd_set* fds, fd_set* exceptfds, void* wsfds, int lfd[], BOOL b32 )
444 {
445 int num_err = 0;
446
447 /* translate local fd set into Winsock fd set, adding
448 * errors to exceptfds (only if app requested it) */
449
450 if( wsfds )
451 {
452 #define wsfds16 ((ws_fd_set16*)wsfds)
453 #define wsfds32 ((ws_fd_set32*)wsfds)
454 int i, j, count = (b32) ? wsfds32->fd_count : wsfds16->fd_count;
455
456 for( i = 0, j = 0; i < count; i++ )
457 {
458 if( lfd[i] >= 0 )
459 {
460 int fd = lfd[i];
461 if( FD_ISSET(fd, fds) )
462 {
463 if ( exceptfds && sock_error_p(fd) )
464 {
465 FD_SET(fd, exceptfds);
466 num_err++;
467 }
468 else if( b32 )
469 wsfds32->fd_array[j++] = wsfds32->fd_array[i];
470 else
471 wsfds16->fd_array[j++] = wsfds16->fd_array[i];
472 }
473 close(fd);
474 lfd[i] = -1;
475 }
476 }
477
478 if( b32 ) wsfds32->fd_count = j;
479 else wsfds16->fd_count = j;
480
481 TRACE("\n");
482 #undef wsfds32
483 #undef wsfds16
484 }
485 return num_err;
486 }
487
488 static void fd_set_unimport( void* wsfds, int lfd[], BOOL b32 )
489 {
490 if ( wsfds )
491 {
492 #define wsfds16 ((ws_fd_set16*)wsfds)
493 #define wsfds32 ((ws_fd_set32*)wsfds)
494 int i, count = (b32) ? wsfds32->fd_count : wsfds16->fd_count;
495
496 for( i = 0; i < count; i++ )
497 if ( lfd[i] >= 0 )
498 close(lfd[i]);
499
500 TRACE("\n");
501 #undef wsfds32
502 #undef wsfds16
503 }
504 }
505
506 static int do_block( int fd, int mask )
507 {
508 fd_set fds[3];
509 int i, r;
510
511 FD_ZERO(&fds[0]);
512 FD_ZERO(&fds[1]);
513 FD_ZERO(&fds[2]);
514 for (i=0; i<3; i++)
515 if (mask & (1<<i))
516 FD_SET(fd, &fds[i]);
517 i = select( fd+1, &fds[0], &fds[1], &fds[2], NULL );
518 if (i <= 0) return -1;
519 r = 0;
520 for (i=0; i<3; i++)
521 if (FD_ISSET(fd, &fds[i]))
522 r |= 1<<i;
523 return r;
524 }
525
526 void* __ws_memalloc( int size )
527 {
528 return WS_ALLOC(size);
529 }
530
531 void __ws_memfree(void* ptr)
532 {
533 WS_FREE(ptr);
534 }
535
536
537 /* ----------------------------------- API -----
538 *
539 * Init / cleanup / error checking.
540 */
541
542 /***********************************************************************
543 * WSAStartup16() (WINSOCK.115)
544 *
545 * Create socket control struct, attach it to the global list and
546 * update a pointer in the task struct.
547 */
548 INT16 WINAPI WSAStartup16(UINT16 wVersionRequested, LPWSADATA lpWSAData)
549 {
550 WSADATA WINSOCK_data = { 0x0101, 0x0101,
551 "WINE Sockets 1.1",
552 #ifdef linux
553 "Linux/i386",
554 #elif defined(__NetBSD__)
555 "NetBSD/i386",
556 #elif defined(sunos)
557 "SunOS",
558 #elif defined(__FreeBSD__)
559 "FreeBSD",
560 #elif defined(__OpenBSD__)
561 "OpenBSD/i386",
562 #else
563 "Unknown",
564 #endif
565 WS_MAX_SOCKETS_PER_PROCESS,
566 WS_MAX_UDP_DATAGRAM, (SEGPTR)NULL };
567 LPWSINFO pwsi;
568
569 TRACE("verReq=%x\n", wVersionRequested);
570
571 if (LOBYTE(wVersionRequested) < 1 || (LOBYTE(wVersionRequested) == 1 &&
572 HIBYTE(wVersionRequested) < 1)) return WSAVERNOTSUPPORTED;
573
574 if (!lpWSAData) return WSAEINVAL;
575
576 /* initialize socket heap */
577
578 if( !_WSHeap )
579 {
580 _WSHeap = HeapCreate(HEAP_ZERO_MEMORY, 8120, 32768);
581 if( !_WSHeap )
582 {
583 ERR("Fatal: failed to create WinSock heap\n");
584 return 0;
585 }
586 }
587 if( _WSHeap == 0 ) return WSASYSNOTREADY;
588
589 pwsi = WINSOCK_GetIData();
590 if( pwsi == NULL )
591 {
592 WINSOCK_CreateIData();
593 pwsi = WINSOCK_GetIData();
594 if (!pwsi) return WSASYSNOTREADY;
595 }
596 pwsi->num_startup++;
597
598 /* return winsock information */
599
600 memcpy(lpWSAData, &WINSOCK_data, sizeof(WINSOCK_data));
601
602 TRACE("succeeded\n");
603 return 0;
604 }
605
606 /***********************************************************************
607 * WSAStartup() (WS2_32.115)
608 */
609 INT WINAPI WSAStartup(UINT wVersionRequested, LPWSADATA lpWSAData)
610 {
611 WSADATA WINSOCK_data = { 0x0202, 0x0202,
612 "WINE Sockets 2.0",
613 #ifdef linux
614 "Linux/i386",
615 #elif defined(__NetBSD__)
616 "NetBSD/i386",
617 #elif defined(sunos)
618 "SunOS",
619 #elif defined(__FreeBSD__)
620 "FreeBSD",
621 #elif defined(__OpenBSD__)
622 "OpenBSD/i386",
623 #else
624 "Unknown",
625 #endif
626 WS_MAX_SOCKETS_PER_PROCESS,
627 WS_MAX_UDP_DATAGRAM, (SEGPTR)NULL };
628 LPWSINFO pwsi;
629
630 TRACE("verReq=%x\n", wVersionRequested);
631
632 if (LOBYTE(wVersionRequested) < 1)
633 return WSAVERNOTSUPPORTED;
634
635 if (!lpWSAData) return WSAEINVAL;
636
637 /* initialize socket heap */
638
639 if( !_WSHeap )
640 {
641 _WSHeap = HeapCreate(HEAP_ZERO_MEMORY, 8120, 32768);
642 if( !_WSHeap )
643 {
644 ERR("Fatal: failed to create WinSock heap\n");
645 return 0;
646 }
647 }
648 if( _WSHeap == 0 ) return WSASYSNOTREADY;
649
650 pwsi = WINSOCK_GetIData();
651 if( pwsi == NULL )
652 {
653 WINSOCK_CreateIData();
654 pwsi = WINSOCK_GetIData();
655 if (!pwsi) return WSASYSNOTREADY;
656 }
657 pwsi->num_startup++;
658
659 /* return winsock information */
660 memcpy(lpWSAData, &WINSOCK_data, sizeof(WINSOCK_data));
661
662 /* that's the whole of the negotiation for now */
663 lpWSAData->wVersion = wVersionRequested;
664
665 TRACE("succeeded\n");
666 return 0;
667 }
668
669
670 /***********************************************************************
671 * WSACleanup() (WINSOCK.116)
672 */
673 INT WINAPI WSACleanup(void)
674 {
675 LPWSINFO pwsi = WINSOCK_GetIData();
676 if( pwsi ) {
677 if( --pwsi->num_startup > 0 ) return 0;
678
679 WINSOCK_DeleteIData();
680 return 0;
681 }
682 SetLastError(WSANOTINITIALISED);
683 return SOCKET_ERROR;
684 }
685
686
687 /***********************************************************************
688 * WSAGetLastError() (WSOCK32.111)(WINSOCK.111)
689 */
690 INT WINAPI WSAGetLastError(void)
691 {
692 return GetLastError();
693 }
694
695 /***********************************************************************
696 * WSASetLastError() (WSOCK32.112)
697 */
698 void WINAPI WSASetLastError(INT iError) {
699 SetLastError(iError);
700 }
701
702 /***********************************************************************
703 * WSASetLastError16() (WINSOCK.112)
704 */
705 void WINAPI WSASetLastError16(INT16 iError)
706 {
707 WSASetLastError(iError);
708 }
709
710 int _check_ws(LPWSINFO pwsi, SOCKET s)
711 {
712 if( pwsi )
713 {
714 int fd;
715 if( pwsi->flags & WSI_BLOCKINGCALL ) SetLastError(WSAEINPROGRESS);
716 if ( (fd = _get_sock_fd(s)) < 0 ) {
717 SetLastError(WSAENOTSOCK);
718 return 0;
719 }
720 /* FIXME: maybe check whether fd is really a socket? */
721 close( fd );
722 return 1;
723 }
724 return 0;
725 }
726
727 char* _check_buffer(LPWSINFO pwsi, int size)
728 {
729 if( pwsi->buffer && pwsi->buflen >= size ) return pwsi->buffer;
730 else SEGPTR_FREE(pwsi->buffer);
731
732 pwsi->buffer = (char*)SEGPTR_ALLOC((pwsi->buflen = size));
733 return pwsi->buffer;
734 }
735
736 struct ws_hostent* _check_buffer_he(LPWSINFO pwsi, int size)
737 {
738 if( pwsi->he && pwsi->helen >= size ) return pwsi->he;
739 else SEGPTR_FREE(pwsi->he);
740
741 pwsi->he = (struct ws_hostent*)SEGPTR_ALLOC((pwsi->helen = size));
742 return pwsi->he;
743 }
744
745 struct ws_servent* _check_buffer_se(LPWSINFO pwsi, int size)
746 {
747 if( pwsi->se && pwsi->selen >= size ) return pwsi->se;
748 else SEGPTR_FREE(pwsi->se);
749
750 pwsi->se = (struct ws_servent*)SEGPTR_ALLOC((pwsi->selen = size));
751 return pwsi->se;
752 }
753
754 struct ws_protoent* _check_buffer_pe(LPWSINFO pwsi, int size)
755 {
756 if( pwsi->pe && pwsi->pelen >= size ) return pwsi->pe;
757 else SEGPTR_FREE(pwsi->pe);
758
759 pwsi->pe = (struct ws_protoent*)SEGPTR_ALLOC((pwsi->pelen = size));
760 return pwsi->pe;
761 }
762
763 /* ----------------------------------- i/o APIs */
764
765 /***********************************************************************
766 * accept() (WSOCK32.1)
767 */
768 static void WSOCK32_async_accept(LPWSINFO pwsi, SOCKET s, SOCKET as)
769 {
770 int q;
771 /* queue socket for WSAAsyncSelect */
772 for (q=0; q<WS_ACCEPT_QUEUE; q++)
773 if (InterlockedCompareExchange((PVOID*)&pwsi->accept_old[q], (PVOID)s, (PVOID)0) == (PVOID)0)
774 break;
775 if (q<WS_ACCEPT_QUEUE)
776 pwsi->accept_new[q] = as;
777 else
778 ERR("accept queue too small\n");
779 /* now signal our AsyncSelect handler */
780 _enable_event(s, WS_FD_SERVEVENT, 0, 0);
781 }
782
783 SOCKET WINAPI WSOCK32_accept(SOCKET s, struct sockaddr *addr,
784 INT *addrlen32)
785 {
786 LPWSINFO pwsi = WINSOCK_GetIData();
787 #ifdef HAVE_IPX
788 struct ws_sockaddr_ipx* addr2 = (struct ws_sockaddr_ipx *)addr;
789 #endif
790 struct accept_socket_request *req = get_req_buffer();
791
792 TRACE("(%08x): socket %04x\n",
793 (unsigned)pwsi, (UINT16)s );
794 if( _check_ws(pwsi, s) )
795 {
796 if (_is_blocking(s))
797 {
798 /* block here */
799 int fd = _get_sock_fd(s);
800 do_block(fd, 5);
801 close(fd);
802 _sync_sock_state(s); /* let wineserver notice connection */
803 /* retrieve any error codes from it */
804 SetLastError(_get_sock_error(s, FD_ACCEPT_BIT));
805 /* FIXME: care about the error? */
806 }
807 req->lhandle = s;
808 req->access = GENERIC_READ|GENERIC_WRITE|SYNCHRONIZE;
809 req->inherit = TRUE;
810 sock_server_call( REQ_ACCEPT_SOCKET );
811 if( req->handle >= 0 )
812 {
813 SOCKET as = req->handle;
814 unsigned omask = _get_sock_mask( s );
815 int fd = _get_sock_fd( as );
816 if( getpeername(fd, addr, addrlen32) != -1 )
817 {
818 #ifdef HAVE_IPX
819 if (addr && ((struct sockaddr_ipx *)addr)->sipx_family == AF_IPX) {
820 addr = (struct sockaddr *)
821 malloc(addrlen32 ? *addrlen32 : sizeof(*addr2));
822 memcpy(addr, addr2,
823 addrlen32 ? *addrlen32 : sizeof(*addr2));
824 addr2->sipx_family = WS_AF_IPX;
825 addr2->sipx_network = ((struct sockaddr_ipx *)addr)->sipx_network;
826 addr2->sipx_port = ((struct sockaddr_ipx *)addr)->sipx_port;
827 memcpy(addr2->sipx_node,
828 ((struct sockaddr_ipx *)addr)->sipx_node, IPX_NODE_LEN);
829 free(addr);
830 }
831 #endif
832 } else SetLastError(wsaErrno());
833 close(fd);
834 if (omask & WS_FD_SERVEVENT)
835 WSOCK32_async_accept(pwsi, s, as);
836 return as;
837 }
838 }
839 return INVALID_SOCKET;
840 }
841
842 /***********************************************************************
843 * accept() (WINSOCK.1)
844 */
845 SOCKET16 WINAPI WINSOCK_accept16(SOCKET16 s, struct sockaddr* addr,
846 INT16* addrlen16 )
847 {
848 INT addrlen32 = addrlen16 ? *addrlen16 : 0;
849 SOCKET retSocket = WSOCK32_accept( s, addr, &addrlen32 );
850 if( addrlen16 ) *addrlen16 = (INT16)addrlen32;
851 return (SOCKET16)retSocket;
852 }
853
854 /***********************************************************************
855 * bind() (WSOCK32.2)
856 */
857 INT WINAPI WSOCK32_bind(SOCKET s, struct sockaddr *name, INT namelen)
858 {
859 LPWSINFO pwsi = WINSOCK_GetIData();
860 #ifdef HAVE_IPX
861 struct ws_sockaddr_ipx* name2 = (struct ws_sockaddr_ipx *)name;
862 #endif
863
864 TRACE("(%08x): socket %04x, ptr %8x, length %d\n",
865 (unsigned)pwsi, s, (int) name, namelen);
866 #if DEBUG_SOCKADDR
867 dump_sockaddr(name);
868 #endif
869
870 if ( _check_ws(pwsi, s) )
871 {
872 int fd = _get_sock_fd(s);
873 /* FIXME: what family does this really map to on the Unix side? */
874 if (name && ((struct ws_sockaddr_ipx *)name)->sipx_family == WS_AF_PUP)
875 ((struct ws_sockaddr_ipx *)name)->sipx_family = AF_UNSPEC;
876 #ifdef HAVE_IPX
877 else if (name &&
878 ((struct ws_sockaddr_ipx *)name)->sipx_family == WS_AF_IPX)
879 {
880 name = (struct sockaddr *) malloc(sizeof(struct sockaddr_ipx));
881 memset(name, '\0', sizeof(struct sockaddr_ipx));
882 ((struct sockaddr_ipx *)name)->sipx_family = AF_IPX;
883 ((struct sockaddr_ipx *)name)->sipx_port = name2->sipx_port;
884 ((struct sockaddr_ipx *)name)->sipx_network = name2->sipx_network;
885 memcpy(((struct sockaddr_ipx *)name)->sipx_node,
886 name2->sipx_node, IPX_NODE_LEN);
887 namelen = sizeof(struct sockaddr_ipx);
888 }
889 #endif
890 if ( namelen >= sizeof(*name) )
891 {
892 if ( name && (((struct ws_sockaddr_in *)name)->sin_family == AF_INET
893 #ifdef HAVE_IPX
894 || ((struct sockaddr_ipx *)name)->sipx_family == AF_IPX
895 #endif
896 ))
897 {
898 if ( bind(fd, name, namelen) < 0 )
899 {
900 int loc_errno = errno;
901 WARN("\tfailure - errno = %i\n", errno);
902 errno = loc_errno;
903 switch(errno)
904 {
905 case EBADF: SetLastError(WSAENOTSOCK); break;
906 case EADDRNOTAVAIL: SetLastError(WSAEINVAL); break;
907 default: SetLastError(wsaErrno());break;
908 }
909 }
910 else {
911 #ifdef HAVE_IPX
912 if (((struct sockaddr_ipx *)name)->sipx_family == AF_IPX)
913 free(name);
914 #endif
915 close(fd);
916 return 0; /* success */
917 }
918 } else SetLastError(WSAEAFNOSUPPORT);
919 } else SetLastError(WSAEFAULT);
920 #ifdef HAVE_IPX
921 if (name && ((struct sockaddr_ipx *)name)->sipx_family == AF_IPX)
922 free(name);
923 #endif
924 close(fd);
925 }
926 return SOCKET_ERROR;
927 }
928
929 /***********************************************************************
930 * bind() (WINSOCK.2)
931 */
932 INT16 WINAPI WINSOCK_bind16(SOCKET16 s, struct sockaddr *name, INT16 namelen)
933 {
934 return (INT16)WSOCK32_bind( s, name, namelen );
935 }
936
937 /***********************************************************************
938 * closesocket() (WSOCK32.3)
939 */
940 INT WINAPI WSOCK32_closesocket(SOCKET s)
941 {
942 LPWSINFO pwsi = WINSOCK_GetIData();
943
944 TRACE("(%08x): socket %08x\n", (unsigned)pwsi, s);
945
946 if( _check_ws(pwsi, s) )
947 {
948 if( CloseHandle(s) )
949 return 0;
950 }
951 return SOCKET_ERROR;
952 }
953
954 /***********************************************************************
955 * closesocket() (WINSOCK.3)
956 */
957 INT16 WINAPI WINSOCK_closesocket16(SOCKET16 s)
958 {
959 return (INT16)WSOCK32_closesocket(s);
960 }
961
962 /***********************************************************************
963 * connect() (WSOCK32.4)
964 */
965 INT WINAPI WSOCK32_connect(SOCKET s, struct sockaddr *name, INT namelen)
966 {
967 LPWSINFO pwsi = WINSOCK_GetIData();
968 #ifdef HAVE_IPX
969 struct ws_sockaddr_ipx* name2 = (struct ws_sockaddr_ipx *)name;
970 #endif
971
972 TRACE("(%08x): socket %04x, ptr %8x, length %d\n",
973 (unsigned)pwsi, s, (int) name, namelen);
974 #if DEBUG_SOCKADDR
975 dump_sockaddr(name);
976 #endif
977
978 if( _check_ws(pwsi, s) )
979 {
980 int fd = _get_sock_fd(s);
981 if (name && ((struct ws_sockaddr_ipx *)name)->sipx_family == WS_AF_PUP)
982 ((struct ws_sockaddr_ipx *)name)->sipx_family = AF_UNSPEC;
983 #ifdef HAVE_IPX
984 else if (name && ((struct ws_sockaddr_ipx *)name)->sipx_family == WS_AF_IPX)
985 {
986 name = (struct sockaddr *) malloc(sizeof(struct sockaddr_ipx));
987 memset(name, '\0', sizeof(struct sockaddr_ipx));
988 ((struct sockaddr_ipx *)name)->sipx_family = AF_IPX;
989 ((struct sockaddr_ipx *)name)->sipx_port = name2->sipx_port;
990 ((struct sockaddr_ipx *)name)->sipx_network = name2->sipx_network;
991 memcpy(((struct sockaddr_ipx *)name)->sipx_node,
992 name2->sipx_node, IPX_NODE_LEN);
993 namelen = sizeof(struct sockaddr_ipx);
994 }
995 #endif
996 if (connect(fd, name, namelen) == 0) {
997 close(fd);
998 goto connect_success;
999 }
1000 if (errno == EINPROGRESS)
1001 {
1002 /* tell wineserver that a connection is in progress */
1003 _enable_event(s, FD_CONNECT|FD_READ|FD_WRITE,
1004 WS_FD_CONNECT|WS_FD_READ|WS_FD_WRITE,
1005 WS_FD_CONNECTED|WS_FD_LISTENING);
1006 if (_is_blocking(s))
1007 {
1008 int result;
1009 /* block here */
1010 do_block(fd, 6);
1011 _sync_sock_state(s); /* let wineserver notice connection */
1012 /* retrieve any error codes from it */
1013 result = _get_sock_error(s, FD_CONNECT_BIT);
1014 if (result)
1015 SetLastError(result);
1016 else {
1017 close(fd);
1018 goto connect_success;
1019 }
1020 }
1021 else SetLastError(WSAEWOULDBLOCK);
1022 close(fd);
1023 }
1024 else
1025 {
1026 SetLastError(wsaErrno());
1027 close(fd);
1028 }
1029 }
1030 #ifdef HAVE_IPX
1031 if (name && ((struct sockaddr_ipx *)name)->sipx_family == AF_IPX)
1032 free(name);
1033 #endif
1034 return SOCKET_ERROR;
1035 connect_success:
1036 #ifdef HAVE_IPX
1037 if (((struct sockaddr_ipx *)name)->sipx_family == AF_IPX)
1038 free(name);
1039 #endif
1040 _enable_event(s, FD_CONNECT|FD_READ|FD_WRITE,
1041 WS_FD_CONNECTED|WS_FD_READ|WS_FD_WRITE,
1042 WS_FD_CONNECT|WS_FD_LISTENING);
1043 return 0;
1044 }
1045
1046 /***********************************************************************
1047 * connect() (WINSOCK.4)
1048 */
1049 INT16 WINAPI WINSOCK_connect16(SOCKET16 s, struct sockaddr *name, INT16 namelen)
1050 {
1051 return (INT16)WSOCK32_connect( s, name, namelen );
1052 }
1053
1054 /***********************************************************************
1055 * getpeername() (WSOCK32.5)
1056 */
1057 INT WINAPI WSOCK32_getpeername(SOCKET s, struct sockaddr *name,
1058 INT *namelen)
1059 {
1060 LPWSINFO pwsi = WINSOCK_GetIData();
1061 #ifdef HAVE_IPX
1062 struct ws_sockaddr_ipx* name2 = (struct ws_sockaddr_ipx *)name;
1063 #endif
1064
1065 TRACE("(%08x): socket: %04x, ptr %8x, ptr %8x\n",
1066 (unsigned)pwsi, s, (int) name, *namelen);
1067 if( _check_ws(pwsi, s) )
1068 {
1069 int fd = _get_sock_fd(s);
1070 if (getpeername(fd, name, namelen) == 0) {
1071 #ifdef HAVE_IPX
1072 if (((struct ws_sockaddr_ipx *)name)->sipx_family == AF_IPX) {
1073 name = (struct sockaddr *)
1074 malloc(namelen ? *namelen : sizeof(*name2));
1075 memcpy(name, name2, namelen ? *namelen : sizeof(*name2));
1076 name2->sipx_family = WS_AF_IPX;
1077 name2->sipx_network = ((struct sockaddr_ipx *)name)->sipx_network;
1078 name2->sipx_port = ((struct sockaddr_ipx *)name)->sipx_port;
1079 memcpy(name2->sipx_node,
1080 ((struct sockaddr_ipx *)name)->sipx_node, IPX_NODE_LEN);
1081 free(name);
1082 }
1083 #endif
1084 close(fd);
1085 return 0;
1086 }
1087 SetLastError(wsaErrno());
1088 close(fd);
1089 }
1090 return SOCKET_ERROR;
1091 }
1092
1093 /***********************************************************************
1094 * getpeername() (WINSOCK.5)
1095 */
1096 INT16 WINAPI WINSOCK_getpeername16(SOCKET16 s, struct sockaddr *name,
1097 INT16 *namelen16)
1098 {
1099 INT namelen32 = *namelen16;
1100 INT retVal = WSOCK32_getpeername( s, name, &namelen32 );
1101
1102 #if DEBUG_SOCKADDR
1103 dump_sockaddr(name);
1104 #endif
1105
1106 *namelen16 = namelen32;
1107 return (INT16)retVal;
1108 }
1109
1110 /***********************************************************************
1111 * getsockname() (WSOCK32.6)
1112 */
1113 INT WINAPI WSOCK32_getsockname(SOCKET s, struct sockaddr *name,
1114 INT *namelen)
1115 {
1116 LPWSINFO pwsi = WINSOCK_GetIData();
1117 #ifdef HAVE_IPX
1118 struct ws_sockaddr_ipx* name2 = (struct ws_sockaddr_ipx *)name;
1119 #endif
1120
1121 TRACE("(%08x): socket: %04x, ptr %8x, ptr %8x\n",
1122 (unsigned)pwsi, s, (int) name, (int) *namelen);
1123 if( _check_ws(pwsi, s) )
1124 {
1125 int fd = _get_sock_fd(s);
1126 if (getsockname(fd, name, namelen) == 0) {
1127 #ifdef HAVE_IPX
1128 if (((struct sockaddr_ipx *)name)->sipx_family == AF_IPX) {
1129 name = (struct sockaddr *)
1130 malloc(namelen ? *namelen : sizeof(*name2));
1131 memcpy(name, name2, namelen ? *namelen : sizeof(*name2));
1132 name2->sipx_family = WS_AF_IPX;
1133 name2->sipx_network = ((struct sockaddr_ipx *)name)->sipx_network;
1134 name2->sipx_port = ((struct sockaddr_ipx *)name)->sipx_port;
1135 memcpy(name2->sipx_node,
1136 ((struct sockaddr_ipx *)name)->sipx_node, IPX_NODE_LEN);
1137 free(name);
1138 }
1139 #endif
1140 close(fd);
1141 return 0;
1142 }
1143 SetLastError(wsaErrno());
1144 close(fd);
1145 }
1146 return SOCKET_ERROR;
1147 }
1148
1149 /***********************************************************************
1150 * getsockname() (WINSOCK.6)
1151 */
1152 INT16 WINAPI WINSOCK_getsockname16(SOCKET16 s, struct sockaddr *name,
1153 INT16 *namelen16)
1154 {
1155 INT retVal;
1156
1157 if( namelen16 )
1158 {
1159 INT namelen32 = *namelen16;
1160 retVal = WSOCK32_getsockname( s, name, &namelen32 );
1161 *namelen16 = namelen32;
1162
1163 #if DEBUG_SOCKADDR
1164 dump_sockaddr(name);
1165 #endif
1166
1167 }
1168 else retVal = SOCKET_ERROR;
1169 return (INT16)retVal;
1170 }
1171
1172
1173 /***********************************************************************
1174 * getsockopt() (WSOCK32.7)
1175 */
1176 INT WINAPI WSOCK32_getsockopt(SOCKET s, INT level,
1177 INT optname, char *optval, INT *optlen)
1178 {
1179 LPWSINFO pwsi = WINSOCK_GetIData();
1180
1181 TRACE("(%08x): socket: %04x, opt %d, ptr %8x, ptr %8x\n",
1182 (unsigned)pwsi, s, level, (int) optval, (int) *optlen);
1183 if( _check_ws(pwsi, s) )
1184 {
1185 int fd = _get_sock_fd(s);
1186 convert_sockopt(&level, &optname);
1187 if (getsockopt(fd, (int) level, optname, optval, optlen) == 0 )
1188 {
1189 close(fd);
1190 return 0;
1191 }
1192 SetLastError((errno == EBADF) ? WSAENOTSOCK : wsaErrno());
1193 close(fd);
1194 }
1195 return SOCKET_ERROR;
1196 }
1197
1198 /***********************************************************************
1199 * getsockopt() (WINSOCK.7)
1200 */
1201 INT16 WINAPI WINSOCK_getsockopt16(SOCKET16 s, INT16 level,
1202 INT16 optname, char *optval, INT16 *optlen)
1203 {
1204 INT optlen32;
1205 INT *p = &optlen32;
1206 INT retVal;
1207 if( optlen ) optlen32 = *optlen; else p = NULL;
1208 retVal = WSOCK32_getsockopt( s, (UINT16)level, optname, optval, p );
1209 if( optlen ) *optlen = optlen32;
1210 return (INT16)retVal;
1211 }
1212
1213 /***********************************************************************
1214 * htonl() (WINSOCK.8)(WSOCK32.8)
1215 */
1216 u_long WINAPI WINSOCK_htonl(u_long hostlong) { return( htonl(hostlong) ); }
1217 /***********************************************************************
1218 * htons() (WINSOCK.9)(WSOCK32.9)
1219 */
1220 u_short WINAPI WINSOCK_htons(u_short hostshort) { return( htons(hostshort) ); }
1221 /***********************************************************************
1222 * inet_addr() (WINSOCK.10)(WSOCK32.10)
1223 */
1224 u_long WINAPI WINSOCK_inet_addr(char *cp) { return( inet_addr(cp) ); }
1225 /***********************************************************************
1226 * ntohl() (WINSOCK.14)(WSOCK32.14)
1227 */
1228 u_long WINAPI WINSOCK_ntohl(u_long netlong) { return( ntohl(netlong) ); }
1229 /***********************************************************************
1230 * ntohs() (WINSOCK.15)(WSOCK32.15)
1231 */
1232 u_short WINAPI WINSOCK_ntohs(u_short netshort) { return( ntohs(netshort) ); }
1233
1234 /***********************************************************************
1235 * inet_ntoa() (WINSOCK.11)(WSOCK32.11)
1236 */
1237 char* WINAPI WSOCK32_inet_ntoa(struct in_addr in)
1238 {
1239 /* use "buffer for dummies" here because some applications have
1240 * propensity to decode addresses in ws_hostent structure without
1241 * saving them first...
1242 */
1243
1244 LPWSINFO pwsi = WINSOCK_GetIData();
1245
1246 if( pwsi )
1247 {
1248 char* s = inet_ntoa(in);
1249 if( s )
1250 {
1251 if( pwsi->dbuffer == NULL ) {
1252 /* Yes, 16: 4*3 digits + 3 '.' + 1 '\0' */
1253 if((pwsi->dbuffer = (char*) SEGPTR_ALLOC(16)) == NULL )
1254 {
1255 SetLastError(WSAENOBUFS);
1256 return NULL;
1257 }
1258 }
1259 strcpy(pwsi->dbuffer, s);
1260 return pwsi->dbuffer;
1261 }
1262 SetLastError(wsaErrno());
1263 }
1264 return NULL;
1265 }
1266
1267 SEGPTR WINAPI WINSOCK_inet_ntoa16(struct in_addr in)
1268 {
1269 char* retVal = WSOCK32_inet_ntoa(in);
1270 return retVal ? SEGPTR_GET(retVal) : (SEGPTR)NULL;
1271 }
1272
1273 /***********************************************************************
1274 * ioctlsocket() (WSOCK32.12)
1275 */
1276 INT WINAPI WSOCK32_ioctlsocket(SOCKET s, LONG cmd, ULONG *argp)
1277 {
1278 LPWSINFO pwsi = WINSOCK_GetIData();
1279
1280 TRACE("(%08x): socket %04x, cmd %08lx, ptr %8x\n",
1281 (unsigned)pwsi, s, cmd, (unsigned) argp);
1282 if( _check_ws(pwsi, s) )
1283 {
1284 int fd = _get_sock_fd(s);
1285 long newcmd = cmd;
1286
1287 switch( cmd )
1288 {
1289 case WS_FIONREAD:
1290 newcmd=FIONREAD;
1291 break;
1292
1293 case WS_FIONBIO:
1294 newcmd=FIONBIO;
1295 if( _get_sock_mask(s) )
1296 {
1297 /* AsyncSelect()'ed sockets are always nonblocking */
1298 if (*argp) {
1299 close(fd);
1300 return 0;
1301 }
1302 SetLastError(WSAEINVAL);
1303 close(fd);
1304 return SOCKET_ERROR;
1305 }
1306 close(fd);
1307 if (*argp)
1308 _enable_event(s, 0, WS_FD_NONBLOCKING, 0);
1309 else
1310 _enable_event(s, 0, 0, WS_FD_NONBLOCKING);
1311 return 0;
1312
1313 case WS_SIOCATMARK:
1314 newcmd=SIOCATMARK;
1315 break;
1316
1317 case WS_IOW('f',125,u_long):
1318 WARN("Warning: WS1.1 shouldn't be using async I/O\n");
1319 SetLastError(WSAEINVAL);
1320 return SOCKET_ERROR;
1321
1322 default:
1323 /* Netscape tries hard to use bogus ioctl 0x667e */
1324 WARN("\tunknown WS_IOCTL cmd (%08lx)\n", cmd);
1325 }
1326 if( ioctl(fd, newcmd, (char*)argp ) == 0 )
1327 {
1328 close(fd);
1329 return 0;
1330 }
1331 SetLastError((errno == EBADF) ? WSAENOTSOCK : wsaErrno());
1332 close(fd);
1333 }
1334 return SOCKET_ERROR;
1335 }
1336
1337 /***********************************************************************
1338 * ioctlsocket() (WINSOCK.12)
1339 */
1340 INT16 WINAPI WINSOCK_ioctlsocket16(SOCKET16 s, LONG cmd, ULONG *argp)
1341 {
1342 return (INT16)WSOCK32_ioctlsocket( s, cmd, argp );
1343 }
1344
1345
1346 /***********************************************************************
1347 * listen() (WSOCK32.13)
1348 */
1349 INT WINAPI WSOCK32_listen(SOCKET s, INT backlog)
1350 {
1351 LPWSINFO pwsi = WINSOCK_GetIData();
1352
1353 TRACE("(%08x): socket %04x, backlog %d\n",
1354 (unsigned)pwsi, s, backlog);
1355 if( _check_ws(pwsi, s) )
1356 {
1357 int fd = _get_sock_fd(s);
1358 if (listen(fd, backlog) == 0)
1359 {
1360 close(fd);
1361 _enable_event(s, FD_ACCEPT,
1362 WS_FD_LISTENING,
1363 WS_FD_CONNECT|WS_FD_CONNECTED);
1364 return 0;
1365 }
1366 SetLastError(wsaErrno());
1367 }
1368 else SetLastError(WSAENOTSOCK);
1369 return SOCKET_ERROR;
1370 }
1371
1372 /***********************************************************************
1373 * listen() (WINSOCK.13)
1374 */
1375 INT16 WINAPI WINSOCK_listen16(SOCKET16 s, INT16 backlog)
1376 {
1377 return (INT16)WSOCK32_listen( s, backlog );
1378 }
1379
1380
1381 /***********************************************************************
1382 * recv() (WSOCK32.16)
1383 */
1384 INT WINAPI WSOCK32_recv(SOCKET s, char *buf, INT len, INT flags)
1385 {
1386 LPWSINFO pwsi = WINSOCK_GetIData();
1387
1388 TRACE("(%08x): socket %04x, buf %8x, len %d, "
1389 "flags %d\n", (unsigned)pwsi, s, (unsigned)buf,
1390 len, flags);
1391 if( _check_ws(pwsi, s) )
1392 {
1393 int fd = _get_sock_fd(s);
1394 INT length;
1395
1396 if (_is_blocking(s))
1397 {
1398 /* block here */
1399 /* FIXME: OOB and exceptfds? */
1400 do_block(fd, 1);
1401 }
1402 if ((length = recv(fd, buf, len, flags)) >= 0)
1403 {
1404 TRACE(" -> %i bytes\n", length);
1405
1406 close(fd);
1407 _enable_event(s, FD_READ, 0, 0);
1408 return length;
1409 }
1410 SetLastError(wsaErrno());
1411 close(fd);
1412 }
1413 else SetLastError(WSAENOTSOCK);
1414 WARN(" -> ERROR\n");
1415 return SOCKET_ERROR;
1416 }
1417
1418 /***********************************************************************
1419 * recv() (WINSOCK.16)
1420 */
1421 INT16 WINAPI WINSOCK_recv16(SOCKET16 s, char *buf, INT16 len, INT16 flags)
1422 {
1423 return (INT16)WSOCK32_recv( s, buf, len, flags );
1424 }
1425
1426
1427 /***********************************************************************
1428 * recvfrom() (WSOCK32.17)
1429 */
1430 INT WINAPI WSOCK32_recvfrom(SOCKET s, char *buf, INT len, INT flags,
1431 struct sockaddr *from, INT *fromlen32)
1432 {
1433 LPWSINFO pwsi = WINSOCK_GetIData();
1434 #ifdef HAVE_IPX
1435 struct ws_sockaddr_ipx* from2 = (struct ws_sockaddr_ipx *)from;
1436 #endif
1437
1438 TRACE("(%08x): socket %04x, ptr %08x, "
1439 "len %d, flags %d\n", (unsigned)pwsi, s, (unsigned)buf,
1440 len, flags);
1441 #if DEBUG_SOCKADDR
1442 if( from ) dump_sockaddr(from);
1443 else DPRINTF("from = NULL\n");
1444 #endif
1445
1446 if( _check_ws(pwsi, s) )
1447 {
1448 int fd = _get_sock_fd(s);
1449 int length;
1450
1451 if (_is_blocking(s))
1452 {
1453 /* block here */
1454 /* FIXME: OOB and exceptfds */
1455 do_block(fd, 1);
1456 }
1457 if ((length = recvfrom(fd, buf, len, flags, from, fromlen32)) >= 0)
1458 {
1459 TRACE(" -> %i bytes\n", length);
1460
1461 #ifdef HAVE_IPX
1462 if (from && ((struct sockaddr_ipx *)from)->sipx_family == AF_IPX) {
1463 from = (struct sockaddr *)
1464 malloc(fromlen32 ? *fromlen32 : sizeof(*from2));
1465 memcpy(from, from2, fromlen32 ? *fromlen32 : sizeof(*from2));
1466 from2->sipx_family = WS_AF_IPX;
1467 from2->sipx_network = ((struct sockaddr_ipx *)from)->sipx_network;
1468 from2->sipx_port = ((struct sockaddr_ipx *)from)->sipx_port;
1469 memcpy(from2->sipx_node,
1470 ((struct sockaddr_ipx *)from)->sipx_node, IPX_NODE_LEN);
1471 free(from);
1472 }
1473 #endif
1474 close(fd);
1475 _enable_event(s, FD_READ, 0, 0);
1476 return (INT16)length;
1477 }
1478 SetLastError(wsaErrno());
1479 close(fd);
1480 }
1481 else SetLastError(WSAENOTSOCK);
1482 WARN(" -> ERROR\n");
1483 #ifdef HAVE_IPX
1484 if (from && ((struct sockaddr_ipx *)from)->sipx_family == AF_IPX) {
1485 from = (struct sockaddr *)
1486 malloc(fromlen32 ? *fromlen32 : sizeof(*from2));
1487 memcpy(from, from2, fromlen32 ? *fromlen32 : sizeof(*from2));
1488 from2->sipx_family = WS_AF_IPX;
1489 from2->sipx_network = ((struct sockaddr_ipx *)from)->sipx_network;
1490 from2->sipx_port = ((struct sockaddr_ipx *)from)->sipx_port;
1491 memcpy(from2->sipx_node,
1492 ((struct sockaddr_ipx *)from)->sipx_node, IPX_NODE_LEN);
1493 free(from);
1494 }
1495 #endif
1496 return SOCKET_ERROR;
1497 }
1498
1499 /***********************************************************************
1500 * recvfrom() (WINSOCK.17)
1501 */
1502 INT16 WINAPI WINSOCK_recvfrom16(SOCKET16 s, char *buf, INT16 len, INT16 flags,
1503 struct sockaddr *from, INT16 *fromlen16)
1504 {
1505 INT fromlen32;
1506 INT *p = &fromlen32;
1507 INT retVal;
1508
1509 if( fromlen16 ) fromlen32 = *fromlen16; else p = NULL;
1510 retVal = WSOCK32_recvfrom( s, buf, len, flags, from, p );
1511 if( fromlen16 ) *fromlen16 = fromlen32;
1512 return (INT16)retVal;
1513 }
1514
1515 /***********************************************************************
1516 * select() (WINSOCK.18)(WSOCK32.18)
1517 */
1518 static INT __ws_select( BOOL b32, void *ws_readfds, void *ws_writefds, void *ws_exceptfds,
1519 struct timeval *timeout )
1520 {
1521 LPWSINFO pwsi = WINSOCK_GetIData();
1522
1523 TRACE("(%08x): read %8x, write %8x, excp %8x\n",
1524 (unsigned) pwsi, (unsigned) ws_readfds, (unsigned) ws_writefds, (unsigned) ws_exceptfds);
1525
1526 if( pwsi )
1527 {
1528 int highfd = 0;
1529 fd_set readfds, writefds, exceptfds;
1530 fd_set *p_read, *p_write, *p_except;
1531 int readfd[FD_SETSIZE], writefd[FD_SETSIZE], exceptfd[FD_SETSIZE];
1532
1533 p_read = fd_set_import(&readfds, pwsi, ws_readfds, &highfd, readfd, b32);
1534 p_write = fd_set_import(&writefds, pwsi, ws_writefds, &highfd, writefd, b32);
1535 p_except = fd_set_import(&exceptfds, pwsi, ws_exceptfds, &highfd, exceptfd, b32);
1536
1537 if( (highfd = select(highfd + 1, p_read, p_write, p_except, timeout)) > 0 )
1538 {
1539 fd_set_export(pwsi, &readfds, p_except, ws_readfds, readfd, b32);
1540 fd_set_export(pwsi, &writefds, p_except, ws_writefds, writefd, b32);
1541
1542 if (p_except && ws_exceptfds)
1543 {
1544 #define wsfds16 ((ws_fd_set16*)ws_exceptfds)
1545 #define wsfds32 ((ws_fd_set32*)ws_exceptfds)
1546 int i, j, count = (b32) ? wsfds32->fd_count : wsfds16->fd_count;
1547
1548 for (i = j = 0; i < count; i++)
1549 {
1550 int fd = exceptfd[i];
1551 if( fd >= 0 && FD_ISSET(fd, &exceptfds) )
1552 {
1553 if( b32 )
1554 wsfds32->fd_array[j++] = wsfds32->fd_array[i];
1555 else
1556 wsfds16->fd_array[j++] = wsfds16->fd_array[i];
1557 }
1558 if( fd >= 0 ) close(fd);
1559 exceptfd[i] = -1;
1560 }
1561 if( b32 )
1562 wsfds32->fd_count = j;
1563 else
1564 wsfds16->fd_count = j;
1565 #undef wsfds32
1566 #undef wsfds16
1567 }
1568 return highfd;
1569 }
1570 fd_set_unimport(ws_readfds, readfd, b32);
1571 fd_set_unimport(ws_writefds, writefd, b32);
1572 fd_set_unimport(ws_exceptfds, exceptfd, b32);
1573 if( ws_readfds ) ((ws_fd_set32*)ws_readfds)->fd_count = 0;
1574 if( ws_writefds ) ((ws_fd_set32*)ws_writefds)->fd_count = 0;
1575 if( ws_exceptfds ) ((ws_fd_set32*)ws_exceptfds)->fd_count = 0;
1576
1577 if( highfd == 0 ) return 0;
1578 SetLastError(wsaErrno());
1579 }
1580 return SOCKET_ERROR;
1581 }
1582
1583 INT16 WINAPI WINSOCK_select16(INT16 nfds, ws_fd_set16 *ws_readfds,
1584 ws_fd_set16 *ws_writefds, ws_fd_set16 *ws_exceptfds,
1585 struct timeval *timeout)
1586 {
1587 return (INT16)__ws_select( FALSE, ws_readfds, ws_writefds, ws_exceptfds, timeout );
1588 }
1589
1590 INT WINAPI WSOCK32_select(INT nfds, ws_fd_set32 *ws_readfds,
1591 ws_fd_set32 *ws_writefds, ws_fd_set32 *ws_exceptfds,
1592 struct timeval *timeout)
1593 {
1594 /* struct timeval is the same for both 32- and 16-bit code */
1595 return (INT)__ws_select( TRUE, ws_readfds, ws_writefds, ws_exceptfds, timeout );
1596 }
1597
1598
1599 /***********************************************************************
1600 * send() (WSOCK32.19)
1601 */
1602 INT WINAPI WSOCK32_send(SOCKET s, char *buf, INT len, INT flags)
1603 {
1604 LPWSINFO pwsi = WINSOCK_GetIData();
1605
1606 TRACE("(%08x): socket %04x, ptr %08x, length %d, flags %d\n",
1607 (unsigned)pwsi, s, (unsigned) buf, len, flags);
1608 if( _check_ws(pwsi, s) )
1609 {
1610 int fd = _get_sock_fd(s);
1611 int length;
1612
1613 if (_is_blocking(s))
1614 {
1615 /* block here */
1616 /* FIXME: exceptfds */
1617 do_block(fd, 2);
1618 }
1619 if ((length = send(fd, buf, len, flags)) < 0 )
1620 {
1621 SetLastError(wsaErrno());
1622 if( GetLastError() == WSAEWOULDBLOCK )
1623 _enable_event(s, FD_WRITE, 0, 0);
1624 }
1625 else
1626 {
1627 close(fd);
1628 return (INT16)length;
1629 }
1630 close(fd);
1631 }
1632 else SetLastError(WSAENOTSOCK);
1633 return SOCKET_ERROR;
1634 }
1635
1636 /***********************************************************************
1637 * send() (WINSOCK.19)
1638 */
1639 INT16 WINAPI WINSOCK_send16(SOCKET16 s, char *buf, INT16 len, INT16 flags)
1640 {
1641 return WSOCK32_send( s, buf, len, flags );
1642 }
1643
1644 /***********************************************************************
1645 * sendto() (WSOCK32.20)
1646 */
1647 INT WINAPI WSOCK32_sendto(SOCKET s, char *buf, INT len, INT flags,
1648 struct sockaddr *to, INT tolen)
1649 {
1650 LPWSINFO pwsi = WINSOCK_GetIData();
1651 #ifdef HAVE_IPX
1652 struct ws_sockaddr_ipx* to2 = (struct ws_sockaddr_ipx *)to;
1653 #endif
1654
1655 TRACE("(%08x): socket %04x, ptr %08x, length %d, flags %d\n",
1656 (unsigned)pwsi, s, (unsigned) buf, len, flags);
1657 if( _check_ws(pwsi, s) )
1658 {
1659 int fd = _get_sock_fd(s);
1660 INT length;
1661
1662 if (to && ((struct ws_sockaddr_ipx *)to)->sipx_family == WS_AF_PUP)
1663 ((struct ws_sockaddr_ipx *)to)->sipx_family = AF_UNSPEC;
1664 #ifdef HAVE_IPX
1665 else if (to &&
1666 ((struct ws_sockaddr_ipx *)to)->sipx_family == WS_AF_IPX)
1667 {
1668 to = (struct sockaddr *) malloc(sizeof(struct sockaddr_ipx));
1669 memset(to, '\0', sizeof(struct sockaddr_ipx));
1670 ((struct sockaddr_ipx *)to)->sipx_family = AF_IPX;
1671 ((struct sockaddr_ipx *)to)->sipx_port = to2->sipx_port;
1672 ((struct sockaddr_ipx *)to)->sipx_network = to2->sipx_network;
1673 memcpy(((struct sockaddr_ipx *)to)->sipx_node,
1674 to2->sipx_node, IPX_NODE_LEN);
1675 tolen = sizeof(struct sockaddr_ipx);
1676 }
1677 #endif
1678 if (_is_blocking(s))
1679 {
1680 /* block here */
1681 /* FIXME: exceptfds */
1682 do_block(fd, 2);
1683 }
1684 if ((length = sendto(fd, buf, len, flags, to, tolen)) < 0 )
1685 {
1686 SetLastError(wsaErrno());
1687 if( GetLastError() == WSAEWOULDBLOCK )
1688 _enable_event(s, FD_WRITE, 0, 0);
1689 }
1690 else {
1691 #ifdef HAVE_IPX
1692 if (to && ((struct sockaddr_ipx *)to)->sipx_family == AF_IPX) {
1693 free(to);
1694 }
1695 #endif
1696 close(fd);
1697 return length;
1698 }
1699 close(fd);
1700 }
1701 else SetLastError(WSAENOTSOCK);
1702 #ifdef HAVE_IPX
1703 if (to && ((struct sockaddr_ipx *)to)->sipx_family == AF_IPX) {
1704 free(to);
1705 }
1706 #endif
1707 return SOCKET_ERROR;
1708 }
1709
1710 /***********************************************************************
1711 * sendto() (WINSOCK.20)
1712 */
1713 INT16 WINAPI WINSOCK_sendto16(SOCKET16 s, char *buf, INT16 len, INT16 flags,
1714 struct sockaddr *to, INT16 tolen)
1715 {
1716 return (INT16)WSOCK32_sendto( s, buf, len, flags, to, tolen );
1717 }
1718
1719 /***********************************************************************
1720 * setsockopt() (WSOCK32.21)
1721 */
1722 INT WINAPI WSOCK32_setsockopt(SOCKET16 s, INT level, INT optname,
1723 char *optval, INT optlen)
1724 {
1725 LPWSINFO pwsi = WINSOCK_GetIData();
1726
1727 TRACE("(%08x): socket %04x, lev %d, opt %d, ptr %08x, len %d\n",
1728 (unsigned)pwsi, s, level, optname, (int) optval, optlen);
1729 if( _check_ws(pwsi, s) )
1730 {
1731 struct linger linger;
1732 int fd = _get_sock_fd(s);
1733 int woptval;
1734
1735 convert_sockopt(&level, &optname);
1736 if(optname == WS_SO_DONTLINGER) {
1737 linger.l_onoff = *((int*)optval) ? 0: 1;
1738 linger.l_linger = 0;
1739 optname=SO_LINGER;
1740 optval = (char*)&linger;
1741 optlen = sizeof(struct linger);
1742 }else{
1743 if (optname == SO_LINGER && optval) {
1744 /* yes, uses unsigned short in both win16/win32 */
1745 linger.l_onoff = ((UINT16*)optval)[0];
1746 linger.l_linger = ((UINT16*)optval)[1];
1747 /* FIXME: what is documented behavior if SO_LINGER optval
1748 is null?? */
1749 optval = (char*)&linger;
1750 optlen = sizeof(struct linger);
1751 } else if (optlen < sizeof(int)){
1752 woptval= *((INT16 *) optval);
1753 optval= (char*) &woptval;
1754 optlen=sizeof(int);
1755 }
1756 }
1757 if (setsockopt(fd, level, optname, optval, optlen) == 0)
1758 {
1759 close(fd);
1760 return 0;
1761 }
1762 SetLastError(wsaErrno());
1763 close(fd);
1764 }
1765 else SetLastError(WSAENOTSOCK);
1766 return SOCKET_ERROR;
1767 }
1768
1769 /***********************************************************************
1770 * setsockopt() (WINSOCK.21)
1771 */
1772 INT16 WINAPI WINSOCK_setsockopt16(SOCKET16 s, INT16 level, INT16 optname,
1773 char *optval, INT16 optlen)
1774 {
1775 if( !optval ) return SOCKET_ERROR;
1776 return (INT16)WSOCK32_setsockopt( s, (UINT16)level, optname, optval, optlen );
1777 }
1778
1779
1780 /***********************************************************************
1781 * shutdown() (WSOCK32.22)
1782 */
1783 INT WINAPI WSOCK32_shutdown(SOCKET s, INT how)
1784 {
1785 LPWSINFO pwsi = WINSOCK_GetIData();
1786
1787 TRACE("(%08x): socket %04x, how %i\n",
1788 (unsigned)pwsi, s, how );
1789 if( _check_ws(pwsi, s) )
1790 {
1791 int fd = _get_sock_fd(s);
1792 switch( how )
1793 {
1794 case 0: /* drop receives */
1795 _enable_event(s, 0, 0, WS_FD_READ);
1796 #ifdef SHUT_RD
1797 how = SHUT_RD;
1798 #endif
1799 break;
1800
1801 case 1: /* drop sends */
1802 _enable_event(s, 0, 0, WS_FD_WRITE);
1803 #ifdef SHUT_WR
1804 how = SHUT_WR;
1805 #endif
1806 break;
1807
1808 case 2: /* drop all */
1809 #ifdef SHUT_RDWR
1810 how = SHUT_RDWR;
1811 #endif
1812 default:
1813 WSAAsyncSelect( s, 0, 0, 0 );
1814 break;
1815 }
1816
1817 if (shutdown(fd, how) == 0)
1818 {
1819 if( how > 1 )
1820 {
1821 _enable_event(s, 0, 0, WS_FD_CONNECTED|WS_FD_LISTENING);
1822 }
1823 close(fd);
1824 return 0;
1825 }
1826 SetLastError(wsaErrno());
1827 close(fd);
1828 }
1829 else SetLastError(WSAENOTSOCK);
1830 return SOCKET_ERROR;
1831 }
1832
1833 /***********************************************************************
1834 * shutdown() (WINSOCK.22)
1835 */
1836 INT16 WINAPI WINSOCK_shutdown16(SOCKET16 s, INT16 how)
1837 {
1838 return (INT16)WSOCK32_shutdown( s, how );
1839 }
1840
1841
1842 /***********************************************************************
1843 * socket() (WSOCK32.23)
1844 */
1845 SOCKET WINAPI WSOCK32_socket(INT af, INT type, INT protocol)
1846 {
1847 LPWSINFO pwsi = WINSOCK_GetIData();
1848 struct create_socket_request *req = get_req_buffer();
1849
1850 TRACE("(%08x): af=%d type=%d protocol=%d\n",
1851 (unsigned)pwsi, af, type, protocol);
1852
1853 if( pwsi )
1854 {
1855 /* check the socket family */
1856 switch(af)
1857 {
1858 #ifdef HAVE_IPX
1859 case WS_AF_IPX: af = AF_IPX;
1860 #endif
1861 case AF_INET:
1862 case AF_UNSPEC: break;
1863 default: SetLastError(WSAEAFNOSUPPORT);
1864 return INVALID_SOCKET;
1865 }
1866
1867 /* check the socket type */
1868 switch(type)
1869 {
1870 case SOCK_STREAM:
1871 case SOCK_DGRAM:
1872 case SOCK_RAW: break;
1873 default: SetLastError(WSAESOCKTNOSUPPORT);
1874 return INVALID_SOCKET;
1875 }
1876
1877 /* check the protocol type */
1878 if ( protocol < 0 ) /* don't support negative values */
1879 { SetLastError(WSAEPROTONOSUPPORT); return INVALID_SOCKET; }
1880
1881 if ( af == AF_UNSPEC) /* did they not specify the address family? */
1882 switch(protocol)
1883 {
1884 case IPPROTO_TCP:
1885 if (type == SOCK_STREAM) { af = AF_INET; break; }
1886 case IPPROTO_UDP:
1887 if (type == SOCK_DGRAM) { af = AF_INET; break; }
1888 default: SetLastError(WSAEPROTOTYPE); return INVALID_SOCKET;
1889 }
1890
1891 req->family = af;
1892 req->type = type;
1893 req->protocol = protocol;
1894 req->access = GENERIC_READ|GENERIC_WRITE|SYNCHRONIZE;
1895 req->inherit = TRUE;
1896 sock_server_call( REQ_CREATE_SOCKET );
1897 if ( req->handle >= 0)
1898 {
1899 TRACE("\tcreated %04x\n", req->handle);
1900
1901 return req->handle;
1902 }
1903
1904 if (GetLastError() == WSAEACCES) /* raw socket denied */
1905 {
1906 if (type == SOCK_RAW)
1907 MESSAGE("WARNING: Trying to create a socket of type SOCK_RAW, will fail unless running as root\n");
1908 else
1909 MESSAGE("WS_SOCKET: not enough privileges to create socket, try running as root\n");
1910 SetLastError(WSAESOCKTNOSUPPORT);
1911 }
1912 }
1913
1914 WARN("\t\tfailed!\n");
1915 return INVALID_SOCKET;
1916 }
1917
1918 /***********************************************************************
1919 * socket() (WINSOCK.23)
1920 */
1921 SOCKET16 WINAPI WINSOCK_socket16(INT16 af, INT16 type, INT16 protocol)
1922 {
1923 return (SOCKET16)WSOCK32_socket( af, type, protocol );
1924 }
1925
1926
1927 /* ----------------------------------- DNS services
1928 *
1929 * IMPORTANT: 16-bit API structures have SEGPTR pointers inside them.
1930 * Also, we have to use wsock32 stubs to convert structures and
1931 * error codes from Unix to WSA, hence there is no direct mapping in
1932 * the relay32/wsock32.spec.
1933 */
1934
1935 static char* NULL_STRING = "NULL";
1936
1937 /***********************************************************************
1938 * gethostbyaddr() (WINSOCK.51)(WSOCK32.51)
1939 */
1940 static struct WIN_hostent* __ws_gethostbyaddr(const char *addr, int len, int type, int dup_flag)
1941 {
1942 LPWSINFO pwsi = WINSOCK_GetIData();
1943
1944 if( pwsi )
1945 {
1946 struct hostent* host;
1947 if( (host = gethostbyaddr(addr, len, type)) != NULL )
1948 if( WS_dup_he(pwsi, host, dup_flag) )
1949 return (struct WIN_hostent*)(pwsi->he);
1950 else
1951 SetLastError(WSAENOBUFS);
1952 else
1953 SetLastError((h_errno < 0) ? wsaErrno() : wsaHerrno());
1954 }
1955 return NULL;
1956 }
1957
1958 SEGPTR WINAPI WINSOCK_gethostbyaddr16(const char *addr, INT16 len, INT16 type)
1959 {
1960 struct WIN_hostent* retval;
1961 TRACE("ptr %08x, len %d, type %d\n",
1962 (unsigned) addr, len, type);
1963 retval = __ws_gethostbyaddr( addr, len, type, WS_DUP_SEGPTR );
1964 return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
1965 }
1966
1967 struct WIN_hostent* WINAPI WSOCK32_gethostbyaddr(const char *addr, INT len,
1968 INT type)
1969 {
1970 TRACE("ptr %08x, len %d, type %d\n",
1971 (unsigned) addr, len, type);
1972 return __ws_gethostbyaddr(addr, len, type, WS_DUP_LINEAR);
1973 }
1974
1975 /***********************************************************************
1976 * gethostbyname() (WINSOCK.52)(WSOCK32.52)
1977 */
1978 static struct WIN_hostent * __ws_gethostbyname(const char *name, int dup_flag)
1979 {
1980 LPWSINFO pwsi = WINSOCK_GetIData();
1981
1982 if( pwsi )
1983 {
1984 struct hostent* host;
1985 if( (host = gethostbyname(name)) != NULL )
1986 if( WS_dup_he(pwsi, host, dup_flag) )
1987 return (struct WIN_hostent*)(pwsi->he);
1988 else SetLastError(WSAENOBUFS);
1989 else SetLastError((h_errno < 0) ? wsaErrno() : wsaHerrno());
1990 }
1991 return NULL;
1992 }
1993
1994 SEGPTR WINAPI WINSOCK_gethostbyname16(const char *name)
1995 {
1996 struct WIN_hostent* retval;
1997 TRACE("%s\n", (name)?name:NULL_STRING);
1998 retval = __ws_gethostbyname( name, WS_DUP_SEGPTR );
1999 return (retval)? SEGPTR_GET(retval) : ((SEGPTR)NULL) ;
2000 }
2001
2002 struct WIN_hostent* WINAPI WSOCK32_gethostbyname(const char* name)
2003 {
2004 TRACE("%s\n", (name)?name:NULL_STRING);
2005 return __ws_gethostbyname( name, WS_DUP_LINEAR );
2006 }
2007
2008
2009 /***********************************************************************
2010 * getprotobyname() (WINSOCK.53)(WSOCK32.53)
2011 */
2012 static struct WIN_protoent* __ws_getprotobyname(const char *name, int dup_flag)
2013 {
2014 LPWSINFO pwsi = WINSOCK_GetIData();
2015
2016 if( pwsi )
2017 {
2018 struct protoent* proto;
2019 if( (proto = getprotobyname(name)) != NULL )
2020 if( WS_dup_pe(pwsi, proto, dup_flag) )
2021 return (struct WIN_protoent*)(pwsi->pe);
2022 else SetLastError(WSAENOBUFS);
2023 else {
2024 MESSAGE("protocol %s not found; You might want to add "
2025 "this to /etc/protocols\n", debugstr_a(name) );
2026 SetLastError(WSANO_DATA);
2027 }
2028 } else SetLastError(WSANOTINITIALISED);
2029 return NULL;
2030 }
2031
2032 SEGPTR WINAPI WINSOCK_getprotobyname16(const char *name)
2033 {
2034 struct WIN_protoent* retval;
2035 TRACE("%s\n", (name)?name:NULL_STRING);
2036 retval = __ws_getprotobyname(name, WS_DUP_SEGPTR);
2037 return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
2038 }
2039
2040 struct WIN_protoent* WINAPI WSOCK32_getprotobyname(const char* name)
2041 {
2042 TRACE("%s\n", (name)?name:NULL_STRING);
2043 return __ws_getprotobyname(name, WS_DUP_LINEAR);
2044 }
2045
2046
2047 /***********************************************************************
2048 * getprotobynumber() (WINSOCK.54)(WSOCK32.54)
2049 */
2050 static struct WIN_protoent* __ws_getprotobynumber(int number, int dup_flag)
2051 {
2052 LPWSINFO pwsi = WINSOCK_GetIData();
2053
2054 if( pwsi )
2055 {
2056 struct protoent* proto;
2057 if( (proto = getprotobynumber(number)) != NULL )
2058 if( WS_dup_pe(pwsi, proto, dup_flag) )
2059 return (struct WIN_protoent*)(pwsi->pe);
2060 else SetLastError(WSAENOBUFS);
2061 else {
2062 MESSAGE("protocol number %d not found; You might want to add "
2063 "this to /etc/protocols\n", number );
2064 SetLastError(WSANO_DATA);
2065 }
2066 } else SetLastError(WSANOTINITIALISED);
2067 return NULL;
2068 }
2069
2070 SEGPTR WINAPI WINSOCK_getprotobynumber16(INT16 number)
2071 {
2072 struct WIN_protoent* retval;
2073 TRACE("%i\n", number);
2074 retval = __ws_getprotobynumber(number, WS_DUP_SEGPTR);
2075 return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
2076 }
2077
2078 struct WIN_protoent* WINAPI WSOCK32_getprotobynumber(INT number)
2079 {
2080 TRACE("%i\n", number);
2081 return __ws_getprotobynumber(number, WS_DUP_LINEAR);
2082 }
2083
2084
2085 /***********************************************************************
2086 * getservbyname() (WINSOCK.55)(WSOCK32.55)
2087 */
2088 struct WIN_servent* __ws_getservbyname(const char *name, const char *proto, int dup_flag)
2089 {
2090 LPWSINFO pwsi = WINSOCK_GetIData();
2091
2092 if( pwsi )
2093 {
2094 struct servent* serv;
2095 int i = wsi_strtolo( pwsi, name, proto );
2096
2097 if( i ) {
2098 serv = getservbyname(pwsi->buffer,
2099 proto ? (pwsi->buffer + i) : NULL);
2100 if( serv != NULL )
2101 if( WS_dup_se(pwsi, serv, dup_flag) )
2102 return (struct WIN_servent*)(pwsi->se);
2103 else SetLastError(WSAENOBUFS);
2104 else {
2105 MESSAGE("service %s protocol %s not found; You might want to add "
2106 "this to /etc/services\n", debugstr_a(pwsi->buffer),
2107 proto ? debugstr_a(pwsi->buffer+i):"*");
2108 SetLastError(WSANO_DATA);
2109 }
2110 }
2111 else SetLastError(WSAENOBUFS);
2112 } else SetLastError(WSANOTINITIALISED);
2113 return NULL;
2114 }
2115
2116 SEGPTR WINAPI WINSOCK_getservbyname16(const char *name, const char *proto)
2117 {
2118 struct WIN_servent* retval;
2119 TRACE("'%s', '%s'\n",
2120 (name)?name:NULL_STRING, (proto)?proto:NULL_STRING);
2121 retval = __ws_getservbyname(name, proto, WS_DUP_SEGPTR);
2122 return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
2123 }
2124
2125 struct WIN_servent* WINAPI WSOCK32_getservbyname(const char *name, const char *proto)
2126 {
2127 TRACE("'%s', '%s'\n",
2128 (name)?name:NULL_STRING, (proto)?proto:NULL_STRING);
2129 return __ws_getservbyname(name, proto, WS_DUP_LINEAR);
2130 }
2131
2132
2133 /***********************************************************************
2134 * getservbyport() (WINSOCK.56)(WSOCK32.56)
2135 */
2136 static struct WIN_servent* __ws_getservbyport(int port, const char* proto, int dup_flag)
2137 {
2138 LPWSINFO pwsi = WINSOCK_GetIData();
2139
2140 if( pwsi )
2141 {
2142 struct servent* serv;
2143 if (!proto || wsi_strtolo( pwsi, proto, NULL )) {
2144 if( (serv = getservbyport(port, (proto) ? pwsi->buffer : NULL)) != NULL ) {
2145 if( WS_dup_se(pwsi, serv, dup_flag) )
2146 return (struct WIN_servent*)(pwsi->se);
2147 else SetLastError(WSAENOBUFS);
2148 }
2149 else {
2150 MESSAGE("service on port %lu protocol %s not found; You might want to add "
2151 "this to /etc/services\n", (unsigned long)ntohl(port),
2152 proto ? debugstr_a(pwsi->buffer) : "*");
2153 SetLastError(WSANO_DATA);
2154 }
2155 }
2156 else SetLastError(WSAENOBUFS);
2157 } else SetLastError(WSANOTINITIALISED);
2158 return NULL;
2159 }
2160
2161 SEGPTR WINAPI WINSOCK_getservbyport16(INT16 port, const char *proto)
2162 {
2163 struct WIN_servent* retval;
2164 TRACE("%i, '%s'\n",
2165 (int)port, (proto)?proto:NULL_STRING);
2166 retval = __ws_getservbyport(port, proto, WS_DUP_SEGPTR);
2167 return retval ? SEGPTR_GET(retval) : ((SEGPTR)NULL);
2168 }
2169
2170 struct WIN_servent* WINAPI WSOCK32_getservbyport(INT port, const char *proto)
2171 {
2172 TRACE("%i, '%s'\n",
2173 (int)port, (proto)?proto:NULL_STRING);
2174 return __ws_getservbyport(port, proto, WS_DUP_LINEAR);
2175 }
2176
2177
2178 /***********************************************************************
2179 * gethostname() (WSOCK32.57)
2180 */
2181 INT WINAPI WSOCK32_gethostname(char *name, INT namelen)
2182 {
2183 LPWSINFO pwsi = WINSOCK_GetIData();
2184
2185 TRACE("(%08x): name %s, len %d\n",
2186 (unsigned)pwsi, (name)?name:NULL_STRING, namelen);
2187 if( pwsi )
2188 {
2189 if (gethostname(name, namelen) == 0) return 0;
2190 SetLastError((errno == EINVAL) ? WSAEFAULT : wsaErrno());
2191 }
2192 return SOCKET_ERROR;
2193 }
2194
2195 /***********************************************************************
2196 * gethostname() (WINSOCK.57)
2197 */
2198 INT16 WINAPI WINSOCK_gethostname16(char *name, INT16 namelen)
2199 {
2200 return (INT16)WSOCK32_gethostname(name, namelen);
2201 }
2202
2203
2204 /* ------------------------------------- Windows sockets extensions -- *
2205 * *
2206 * ------------------------------------------------------------------- */
2207
2208 /***********************************************************************
2209 * WSAEnumNetworkEvents
2210 */
2211 int WINAPI WSAEnumNetworkEvents(SOCKET s, WSAEVENT hEvent, LPWSANETWORKEVENTS lpEvent)
2212 {
2213 LPWSINFO pwsi = WINSOCK_GetIData();
2214 struct get_socket_event_request *req = get_req_buffer();
2215
2216 TRACE("(%08x): %08x, hEvent %08x, lpEvent %08x\n",
2217 (unsigned)pwsi, s, hEvent, (unsigned)lpEvent );
2218 if( _check_ws(pwsi, s) )
2219 {
2220 req->handle = s;
2221 req->service = TRUE;
2222 req->s_event = 0;
2223 req->c_event = hEvent;
2224 sock_server_call( REQ_GET_SOCKET_EVENT );
2225 lpEvent->lNetworkEvents = req->pmask;
2226 memcpy(lpEvent->iErrorCode, req->errors, sizeof(lpEvent->iErrorCode));
2227 return 0;
2228 }
2229 else SetLastError(WSAEINVAL);
2230 return SOCKET_ERROR;
2231 }
2232
2233 /***********************************************************************
2234 * WSAEventSelect
2235 */
2236 int WINAPI WSAEventSelect(SOCKET s, WSAEVENT hEvent, LONG lEvent)
2237 {
2238 LPWSINFO pwsi = WINSOCK_GetIData();
2239 struct set_socket_event_request *req = get_req_buffer();
2240
2241 TRACE("(%08x): %08x, hEvent %08x, event %08x\n",
2242 (unsigned)pwsi, s, hEvent, (unsigned)lEvent );
2243 if( _check_ws(pwsi, s) )
2244 {
2245 req->handle = s;
2246 req->mask = lEvent;
2247 req->event = hEvent;
2248 sock_server_call( REQ_SET_SOCKET_EVENT );
2249 return 0;
2250 }
2251 else SetLastError(WSAEINVAL);
2252 return SOCKET_ERROR;
2253 }
2254
2255 /***********************************************************************
2256 * WSAAsyncSelect() (WINSOCK.101)(WSOCK32.101)
2257 */
2258
2259 VOID CALLBACK WINSOCK_DoAsyncEvent( ULONG_PTR ptr )
2260 {
2261 ws_select_info *info = (ws_select_info*)ptr;
2262 LPWSINFO pwsi = info->pwsi;
2263 struct get_socket_event_request *req = get_req_buffer();
2264 unsigned int i, pmask, orphan = FALSE;
2265
2266 TRACE("socket %08x, event %08x\n", info->sock, info->event);
2267 SetLastError(0);
2268 req->handle = info->sock;
2269 req->service = TRUE;
2270 req->s_event = info->event; /* <== avoid race conditions */
2271 req->c_event = info->event;
2272 sock_server_call( REQ_GET_SOCKET_EVENT );
2273 if ( (GetLastError() == WSAENOTSOCK) || (GetLastError() == WSAEINVAL) )
2274 {
2275 /* orphaned event (socket closed or something) */
2276 pmask = WS_FD_SERVEVENT;
2277 orphan = TRUE;
2278 } else
2279 pmask = req->pmask;
2280 /* check for accepted sockets that needs to inherit WSAAsyncSelect */
2281 if (pmask & WS_FD_SERVEVENT) {
2282 int q;
2283 for (q=0; q<WS_ACCEPT_QUEUE; q++)
2284 if (pwsi->accept_old[q] == info->sock) {
2285 /* there's only one service thread per pwsi, no lock necessary */
2286 HANDLE as = pwsi->accept_new[q];
2287 if (as) {
2288 pwsi->accept_new[q] = 0;
2289 pwsi->accept_old[q] = 0;
2290 WSAAsyncSelect(as, info->hWnd, info->uMsg, info->lEvent);
2291 }
2292 }
2293 pmask &= ~WS_FD_SERVEVENT;
2294 }
2295 /* dispatch network events */
2296 for (i=0; i<FD_MAX_EVENTS; i++)
2297 if (pmask & (1<<i)) {
2298 TRACE("post: event bit %d, error %d\n", i, req->errors[i]);
2299 PostMessageA(info->hWnd, info->uMsg, info->sock,
2300 WSAMAKESELECTREPLY(1<<i, req->errors[i]));
2301 }
2302 /* cleanup */
2303 if (orphan)
2304 {
2305 TRACE("orphaned event, self-destructing\n");
2306 /* SERVICE_Delete closes the event object */
2307 SERVICE_Delete( info->service );
2308 WS_FREE(info);
2309 }
2310 }
2311
2312 INT WINAPI WSAAsyncSelect(SOCKET s, HWND hWnd, UINT uMsg, LONG lEvent)
2313 {
2314 LPWSINFO pwsi = WINSOCK_GetIData();
2315
2316 TRACE("(%08x): %04x, hWnd %04x, uMsg %08x, event %08x\n",
2317 (unsigned)pwsi, (SOCKET16)s, (HWND16)hWnd, uMsg, (unsigned)lEvent );
2318 if( _check_ws(pwsi, s) )
2319 {
2320 if( lEvent )
2321 {
2322 ws_select_info *info = (ws_select_info*)WS_ALLOC(sizeof(ws_select_info));
2323 if( info )
2324 {
2325 HANDLE hObj = CreateEventA( NULL, TRUE, FALSE, NULL );
2326 INT err;
2327
2328 info->sock = s;
2329 info->event = hObj;
2330 info->hWnd = hWnd;
2331 info->uMsg = uMsg;
2332 info->lEvent = lEvent;
2333 info->pwsi = pwsi;
2334 info->service = SERVICE_AddObject( hObj, WINSOCK_DoAsyncEvent, (ULONG_PTR)info );
2335
2336 err = WSAEventSelect( s, hObj, lEvent | WS_FD_SERVEVENT );
2337 if (err) {
2338 /* SERVICE_Delete closes the event object */
2339 SERVICE_Delete( info->service );
2340 WS_FREE(info);
2341 return err;
2342 }
2343
2344 return 0; /* success */
2345 }
2346 else SetLastError(WSAENOBUFS);
2347 }
2348 else
2349 {
2350 WSAEventSelect(s, 0, 0);
2351 return 0;
2352 }
2353 }
2354 else SetLastError(WSAEINVAL);
2355 return SOCKET_ERROR;
2356 }
2357
2358 INT16 WINAPI WSAAsyncSelect16(SOCKET16 s, HWND16 hWnd, UINT16 wMsg, LONG lEvent)
2359 {
2360 return (INT16)WSAAsyncSelect( s, hWnd, wMsg, lEvent );
2361 }
2362
2363 /***********************************************************************
2364 * WSARecvEx() (WSOCK32.1107)
2365 *
2366 * WSARecvEx is a Microsoft specific extension to winsock that is identical to recv
2367 * except that has an in/out argument call flags that has the value MSG_PARTIAL ored
2368 * into the flags parameter when a partial packet is read. This only applies to
2369 * sockets using the datagram protocol. This method does not seem to be implemented
2370 * correctly by microsoft as the winsock implementation does not set the MSG_PARTIAL
2371 * flag when a fragmented packet arrives.
2372 */
2373 INT WINAPI WSARecvEx(SOCKET s, char *buf, INT len, INT *flags) {
2374 FIXME("(WSARecvEx) partial packet return value not set \n");
2375
2376 return WSOCK32_recv(s, buf, len, *flags);
2377 }
2378
2379
2380 /***********************************************************************
2381 * WSARecvEx16() (WINSOCK.1107)
2382 *
2383 * See description for WSARecvEx()
2384 */
2385 INT16 WINAPI WSARecvEx16(SOCKET16 s, char *buf, INT16 len, INT16 *flags) {
2386 FIXME("(WSARecvEx16) partial packet return value not set \n");
2387
2388 return WINSOCK_recv16(s, buf, len, *flags);
2389 }
2390
2391
2392 /***********************************************************************
2393 * WSACreateEvent() (WS2_32.???)
2394 *
2395 */
2396 WSAEVENT WINAPI WSACreateEvent(void)
2397 {
2398 /* Create a manual-reset event, with initial state: unsignealed */
2399 TRACE("\n");
2400
2401 return CreateEventA(NULL, TRUE, FALSE, NULL);
2402 }
2403
2404 /***********************************************************************
2405 * WSACloseEvent() (WS2_32.???)
2406 *
2407 */
2408 BOOL WINAPI WSACloseEvent(WSAEVENT event)
2409 {
2410 TRACE ("event=0x%x\n", event);
2411
2412 return CloseHandle(event);
2413 }
2414
2415 /***********************************************************************
2416 * WSASocketA() (WS2_32.???)
2417 *
2418 */
2419 SOCKET WINAPI WSASocketA(int af, int type, int protocol,
2420 LPWSAPROTOCOL_INFOA lpProtocolInfo,
2421 GROUP g, DWORD dwFlags)
2422 {
2423 /*
2424 FIXME: The "advanced" parameters of WSASocketA (lpProtocolInfo,
2425 g, dwFlags) are ignored.
2426 */
2427
2428 TRACE("af=%d type=%d protocol=%d protocol_info=%p group=%d flags=0x%lx\n",
2429 af, type, protocol, lpProtocolInfo, g, dwFlags );
2430
2431 return ( WSOCK32_socket (af, type, protocol) );
2432 }
2433
2434
2435 /***********************************************************************
2436 * __WSAFDIsSet() (WINSOCK.151)
2437 */
2438 INT16 WINAPI __WSAFDIsSet16(SOCKET16 s, ws_fd_set16 *set)
2439 {
2440 int i = set->fd_count;
2441
2442 TRACE("(%d,%8lx(%i))\n", s,(unsigned long)set, i);
2443
2444 while (i--)
2445 if (set->fd_array[i] == s) return 1;
2446 return 0;
2447 }
2448
2449 /***********************************************************************
2450 * __WSAFDIsSet() (WSOCK32.151)
2451 */
2452 INT WINAPI __WSAFDIsSet(SOCKET s, ws_fd_set32 *set)
2453 {
2454 int i = set->fd_count;
2455
2456 TRACE("(%d,%8lx(%i))\n", s,(unsigned long)set, i);
2457
2458 while (i--)
2459 if (set->fd_array[i] == s) return 1;
2460 return 0;
2461 }
2462
2463 /***********************************************************************
2464 * WSAIsBlocking() (WINSOCK.114)(WSOCK32.114)
2465 */
2466 BOOL WINAPI WSAIsBlocking(void)
2467 {
2468 /* By default WinSock should set all its sockets to non-blocking mode
2469 * and poll in PeekMessage loop when processing "blocking" ones. This
2470 * function is supposed to tell if the program is in this loop. Our
2471 * blocking calls are truly blocking so we always return FALSE.
2472 *
2473 * Note: It is allowed to call this function without prior WSAStartup().
2474 */
2475
2476 TRACE("\n");
2477 return FALSE;
2478 }
2479
2480 /***********************************************************************
2481 * WSACancelBlockingCall() (WINSOCK.113)(WSOCK32.113)
2482 */
2483 INT WINAPI WSACancelBlockingCall(void)
2484 {
2485 LPWSINFO pwsi = WINSOCK_GetIData();
2486
2487 TRACE("(%08x)\n", (unsigned)pwsi);
2488
2489 if( pwsi ) return 0;
2490 return SOCKET_ERROR;
2491 }
2492
2493
2494 /***********************************************************************
2495 * WSASetBlockingHook16() (WINSOCK.109)
2496 */
2497 FARPROC16 WINAPI WSASetBlockingHook16(FARPROC16 lpBlockFunc)
2498 {
2499 FARPROC16 prev;
2500 LPWSINFO pwsi = WINSOCK_GetIData();
2501
2502 TRACE("(%08x): hook %08x\n",
2503 (unsigned)pwsi, (unsigned) lpBlockFunc);
2504 if( pwsi )
2505 {
2506 prev = (FARPROC16)pwsi->blocking_hook;
2507 pwsi->blocking_hook = (DWORD)lpBlockFunc;
2508 pwsi->flags &= ~WSI_BLOCKINGHOOK;
2509 return prev;
2510 }
2511 return 0;
2512 }
2513
2514
2515 /***********************************************************************
2516 * WSASetBlockingHook()
2517 */
2518 FARPROC WINAPI WSASetBlockingHook(FARPROC lpBlockFunc)
2519 {
2520 FARPROC prev;
2521 LPWSINFO pwsi = WINSOCK_GetIData();
2522
2523 TRACE("(%08x): hook %08x\n",
2524 (unsigned)pwsi, (unsigned) lpBlockFunc);
2525 if( pwsi ) {
2526 prev = (FARPROC)pwsi->blocking_hook;
2527 pwsi->blocking_hook = (DWORD)lpBlockFunc;
2528 pwsi->flags |= WSI_BLOCKINGHOOK;
2529 return prev;
2530 }
2531 return NULL;
2532 }
2533
2534
2535 /***********************************************************************
2536 * WSAUnhookBlockingHook16() (WINSOCK.110)
2537 */
2538 INT16 WINAPI WSAUnhookBlockingHook16(void)
2539 {
2540 LPWSINFO pwsi = WINSOCK_GetIData();
2541
2542 TRACE("(%08x)\n", (unsigned)pwsi);
2543 if( pwsi ) return (INT16)(pwsi->blocking_hook = 0);
2544 return SOCKET_ERROR;
2545 }
2546
2547
2548 /***********************************************************************
2549 * WSAUnhookBlockingHook()
2550 */
2551 INT WINAPI WSAUnhookBlockingHook(void)
2552 {
2553 LPWSINFO pwsi = WINSOCK_GetIData();
2554
2555 TRACE("(%08x)\n", (unsigned)pwsi);
2556 if( pwsi )
2557 {
2558 pwsi->blocking_hook = 0;
2559 pwsi->flags &= ~WSI_BLOCKINGHOOK;
2560 return 0;
2561 }
2562 return SOCKET_ERROR;
2563 }
2564
2565
2566 /* ----------------------------------- end of API stuff */
2567
2568 /* ----------------------------------- helper functions -
2569 *
2570 * TODO: Merge WS_dup_..() stuff into one function that
2571 * would operate with a generic structure containing internal
2572 * pointers (via a template of some kind).
2573 */
2574
2575 static int list_size(char** l, int item_size)
2576 {
2577 int i,j = 0;
2578 if(l)
2579 { for(i=0;l[i];i++)
2580 j += (item_size) ? item_size : strlen(l[i]) + 1;
2581 j += (i + 1) * sizeof(char*); }
2582 return j;
2583 }
2584
2585 static int list_dup(char** l_src, char* ref, char* base, int item_size)
2586 {
2587 /* base is either either equal to ref or 0 or SEGPTR */
2588
2589 char* p = ref;
2590 char** l_to = (char**)ref;
2591 int i,j,k;
2592
2593 for(j=0;l_src[j];j++) ;
2594 p += (j + 1) * sizeof(char*);
2595 for(i=0;i<j;i++)
2596 { l_to[i] = base + (p - ref);
2597 k = ( item_size ) ? item_size : strlen(l_src[i]) + 1;
2598 memcpy(p, l_src[i], k); p += k; }
2599 l_to[i] = NULL;
2600 return (p - ref);
2601 }
2602
2603 /* ----- hostent */
2604
2605 static int hostent_size(struct hostent* p_he)
2606 {
2607 int size = 0;
2608 if( p_he )
2609 { size = sizeof(struct hostent);
2610 size += strlen(p_he->h_name) + 1;
2611 size += list_size(p_he->h_aliases, 0);
2612 size += list_size(p_he->h_addr_list, p_he->h_length ); }
2613 return size;
2614 }
2615
2616 int WS_dup_he(LPWSINFO pwsi, struct hostent* p_he, int flag)
2617 {
2618 /* Convert hostent structure into ws_hostent so that the data fits
2619 * into pwsi->buffer. Internal pointers can be linear, SEGPTR, or
2620 * relative to pwsi->buffer depending on "flag" value. Returns size
2621 * of the data copied (also in the pwsi->buflen).
2622 */
2623
2624 int size = hostent_size(p_he);
2625
2626 if( size )
2627 {
2628 struct ws_hostent* p_to;
2629 char* p_name,*p_aliases,*p_addr,*p_base,*p;
2630
2631 _check_buffer_he(pwsi, size);
2632 p_to = (struct ws_hostent*)pwsi->he;
2633 p = (char*)pwsi->he;
2634 p_base = (flag & WS_DUP_OFFSET) ? NULL
2635 : ((flag & WS_DUP_SEGPTR) ? (char*)SEGPTR_GET(p) : p);
2636 p += sizeof(struct ws_hostent);
2637 p_name = p;
2638 strcpy(p, p_he->h_name); p += strlen(p) + 1;
2639 p_aliases = p;
2640 p += list_dup(p_he->h_aliases, p, p_base + (p - (char*)pwsi->he), 0);
2641 p_addr = p;
2642 list_dup(p_he->h_addr_list, p, p_base + (p - (char*)pwsi->he), p_he->h_length);
2643
2644 p_to->h_addrtype = (INT16)p_he->h_addrtype;
2645 p_to->h_length = (INT16)p_he->h_length;
2646 p_to->h_name = (SEGPTR)(p_base + (p_name - (char*)pwsi->he));
2647 p_to->h_aliases = (SEGPTR)(p_base + (p_aliases - (char*)pwsi->he));
2648 p_to->h_addr_list = (SEGPTR)(p_base + (p_addr - (char*)pwsi->he));
2649
2650 size += (sizeof(struct ws_hostent) - sizeof(struct hostent));
2651 }
2652 return size;
2653 }
2654
2655 /* ----- protoent */
2656
2657 static int protoent_size(struct protoent* p_pe)
2658 {
2659 int size = 0;
2660 if( p_pe )
2661 { size = sizeof(struct protoent);
2662 size += strlen(p_pe->p_name) + 1;
2663 size += list_size(p_pe->p_aliases, 0); }
2664 return size;
2665 }
2666
2667 int WS_dup_pe(LPWSINFO pwsi, struct protoent* p_pe, int flag)
2668 {
2669 int size = protoent_size(p_pe);
2670 if( size )
2671 {
2672 struct ws_protoent* p_to;
2673 char* p_name,*p_aliases,*p_base,*p;
2674
2675 _check_buffer_pe(pwsi, size);
2676 p_to = (struct ws_protoent*)pwsi->pe;
2677 p = (char*)pwsi->pe;
2678 p_base = (flag & WS_DUP_OFFSET) ? NULL
2679 : ((flag & WS_DUP_SEGPTR) ? (char*)SEGPTR_GET(p) : p);
2680 p += sizeof(struct ws_protoent);
2681 p_name = p;
2682 strcpy(p, p_pe->p_name); p += strlen(p) + 1;
2683 p_aliases = p;
2684 list_dup(p_pe->p_aliases, p, p_base + (p - (char*)pwsi->pe), 0);
2685
2686 p_to->p_proto = (INT16)p_pe->p_proto;
2687 p_to->p_name = (SEGPTR)(p_base) + (p_name - (char*)pwsi->pe);
2688 p_to->p_aliases = (SEGPTR)((p_base) + (p_aliases - (char*)pwsi->pe));
2689
2690 size += (sizeof(struct ws_protoent) - sizeof(struct protoent));
2691 }
2692 return size;
2693 }
2694
2695 /* ----- servent */
2696
2697 static int servent_size(struct servent* p_se)
2698 {
2699 int size = 0;
2700 if( p_se )
2701 { size += sizeof(struct servent);
2702 size += strlen(p_se->s_proto) + strlen(p_se->s_name) + 2;
2703 size += list_size(p_se->s_aliases, 0); }
2704 return size;
2705 }
2706
2707 int WS_dup_se(LPWSINFO pwsi, struct servent* p_se, int flag)
2708 {
2709 int size = servent_size(p_se);
2710 if( size )
2711 {
2712 struct ws_servent* p_to;
2713 char* p_name,*p_aliases,*p_proto,*p_base,*p;
2714
2715 _check_buffer_se(pwsi, size);
2716 p_to = (struct ws_servent*)pwsi->se;
2717 p = (char*)pwsi->se;
2718 p_base = (flag & WS_DUP_OFFSET) ? NULL
2719 : ((flag & WS_DUP_SEGPTR) ? (char*)SEGPTR_GET(p) : p);
2720 p += sizeof(struct ws_servent);
2721 p_name = p;
2722 strcpy(p, p_se->s_name); p += strlen(p) + 1;
2723 p_proto = p;
2724 strcpy(p, p_se->s_proto); p += strlen(p) + 1;
2725 p_aliases = p;
2726 list_dup(p_se->s_aliases, p, p_base + (p - (char*)pwsi->se), 0);
2727
2728 p_to->s_port = (INT16)p_se->s_port;
2729 p_to->s_name = (SEGPTR)(p_base + (p_name - (char*)pwsi->se));
2730 p_to->s_proto = (SEGPTR)(p_base + (p_proto - (char*)pwsi->se));
2731 p_to->s_aliases = (SEGPTR)(p_base + (p_aliases - (char*)pwsi->se));
2732
2733 size += (sizeof(struct ws_servent) - sizeof(struct servent));
2734 }
2735 return size;
2736 }
2737
2738 /* ----------------------------------- error handling */
2739
2740 UINT16 wsaErrno(void)
2741 {
2742 int loc_errno = errno;
2743 #ifdef HAVE_STRERROR
2744 WARN("errno %d, (%s).\n", loc_errno, strerror(loc_errno));
2745 #else
2746 WARN("errno %d\n", loc_errno);
2747 #endif
2748
2749 switch(loc_errno)
2750 {
2751 case EINTR: return WSAEINTR;
2752 case EBADF: return WSAEBADF;
2753 case EPERM:
2754 case EACCES: return WSAEACCES;
2755 case EFAULT: return WSAEFAULT;
2756 case EINVAL: return WSAEINVAL;
2757 case EMFILE: return WSAEMFILE;
2758 case EWOULDBLOCK: return WSAEWOULDBLOCK;
2759 case EINPROGRESS: return WSAEINPROGRESS;
2760 case EALREADY: return WSAEALREADY;
2761 case ENOTSOCK: return WSAENOTSOCK;
2762 case EDESTADDRREQ: return WSAEDESTADDRREQ;
2763 case EMSGSIZE: return WSAEMSGSIZE;
2764 case EPROTOTYPE: return WSAEPROTOTYPE;
2765 case ENOPROTOOPT: return WSAENOPROTOOPT;
2766 case EPROTONOSUPPORT: return WSAEPROTONOSUPPORT;
2767 case ESOCKTNOSUPPORT: return WSAESOCKTNOSUPPORT;
2768 case EOPNOTSUPP: return WSAEOPNOTSUPP;
2769 case EPFNOSUPPORT: return WSAEPFNOSUPPORT;
2770 case EAFNOSUPPORT: return WSAEAFNOSUPPORT;
2771 case EADDRINUSE: return WSAEADDRINUSE;
2772 case EADDRNOTAVAIL: return WSAEADDRNOTAVAIL;
2773 case ENETDOWN: return WSAENETDOWN;
2774 case ENETUNREACH: return WSAENETUNREACH;
2775 case ENETRESET: return WSAENETRESET;
2776 case ECONNABORTED: return WSAECONNABORTED;
2777 case EPIPE:
2778 case ECONNRESET: return WSAECONNRESET;
2779 case ENOBUFS: return WSAENOBUFS;
2780 case EISCONN: return WSAEISCONN;
2781 case ENOTCONN: return WSAENOTCONN;
2782 case ESHUTDOWN: return WSAESHUTDOWN;
2783 case ETOOMANYREFS: return WSAETOOMANYREFS;
2784 case ETIMEDOUT: return WSAETIMEDOUT;
2785 case ECONNREFUSED: return WSAECONNREFUSED;
2786 case ELOOP: return WSAELOOP;
2787 case ENAMETOOLONG: return WSAENAMETOOLONG;
2788 case EHOSTDOWN: return WSAEHOSTDOWN;
2789 case EHOSTUNREACH: return WSAEHOSTUNREACH;
2790 case ENOTEMPTY: return WSAENOTEMPTY;
2791 #ifdef EPROCLIM
2792 case EPROCLIM: return WSAEPROCLIM;
2793 #endif
2794 #ifdef EUSERS
2795 case EUSERS: return WSAEUSERS;
2796 #endif
2797 #ifdef EDQUOT
2798 case EDQUOT: return WSAEDQUOT;
2799 #endif
2800 #ifdef ESTALE
2801 case ESTALE: return WSAESTALE;
2802 #endif
2803 #ifdef EREMOTE
2804 case EREMOTE: return WSAEREMOTE;
2805 #endif
2806
2807 /* just in case we ever get here and there are no problems */
2808 case 0: return 0;
2809 default:
2810 WARN("Unknown errno %d!\n", loc_errno);
2811 return WSAEOPNOTSUPP;
2812 }
2813 }
2814
2815 UINT16 wsaHerrno(void)
2816 {
2817 int loc_errno = h_errno;
2818
2819 WARN("h_errno %d.\n", loc_errno);
2820
2821 switch(loc_errno)
2822 {
2823 case HOST_NOT_FOUND: return WSAHOST_NOT_FOUND;
2824 case TRY_AGAIN: return WSATRY_AGAIN;
2825 case NO_RECOVERY: return WSANO_RECOVERY;
2826 case NO_DATA: return WSANO_DATA;
2827
2828 case 0: return 0;
2829 default:
2830 WARN("Unknown h_errno %d!\n", loc_errno);
2831 return WSAEOPNOTSUPP;
2832 }
2833 }
Windows API implementation