1 /* Async WINSOCK DNS services
3 * (C) 1993,1994,1996,1997 John Brezak, Erik Bos, Alex Korobka.
4 * (C) 1999 Marcus Meissner
6 * NOTE: If you make any changes to fix a particular app, make sure
7 * they don't break something else like Netscape or telnet and ftp
8 * clients and servers (www.winsite.com got a lot of those).
11 * - Add WSACancel* and correct handle management. (works rather well for
13 * - Verify & Check all calls for correctness
14 * (currently only WSAGetHostByName*, WSAGetServByPort* calls)
15 * - Check error returns.
16 * - mirc/mirc32 Finger @linux.kernel.org sometimes fails in threaded mode.
18 * - This implementation did ignore the "NOTE:" section above (since the
19 * whole stuff did not work anyway to other changes).
25 #include <sys/types.h>
29 #include <sys/ioctl.h>
30 #ifdef HAVE_SYS_FILIO_H
31 # include <sys/filio.h>
34 #include <sys/ioccom.h>
35 #ifdef HAVE_SYS_SOCKIO_H
36 # include <sys/sockio.h>
41 # include <sys/so_ioctl.h>
44 #ifdef HAVE_SYS_PARAM_H
45 # include <sys/param.h>
51 #ifdef HAVE_SYS_WAIT_H
54 #ifdef HAVE_SYS_SOCKET_H
55 #include <sys/socket.h>
57 #ifdef HAVE_NETINET_IN_H
58 # include <netinet/in.h>
60 #ifdef HAVE_ARPA_INET_H
61 # include <arpa/inet.h>
66 #ifdef HAVE_SYS_ERRNO_H
67 #include <sys/errno.h>
72 #ifdef HAVE_ARPA_NAMESER_H
73 # include <arpa/nameser.h>
79 #include "wine/winbase16.h"
86 #include "wine/port.h"
87 #include "debugtools.h"
89 DEFAULT_DEBUG_CHANNEL(winsock)
91 /* ----------------------------------- helper functions - */
93 static int list_size(char** l, int item_size)
98 j += (item_size) ? item_size : strlen(l[i]) + 1;
99 j += (i + 1) * sizeof(char*); }
103 static int list_dup(char** l_src, char* ref, char* base, int item_size)
105 /* base is either either equal to ref or 0 or SEGPTR */
108 char** l_to = (char**)ref;
111 for(j=0;l_src[j];j++) ;
112 p += (j + 1) * sizeof(char*);
114 { l_to[i] = base + (p - ref);
115 k = ( item_size ) ? item_size : strlen(l_src[i]) + 1;
116 memcpy(p, l_src[i], k); p += k; }
123 static int hostent_size(struct hostent* p_he)
127 { size = sizeof(struct hostent);
128 size += strlen(p_he->h_name) + 1;
129 size += list_size(p_he->h_aliases, 0);
130 size += list_size(p_he->h_addr_list, p_he->h_length ); }
134 /* Copy hostent to p_to, fix up inside pointers using p_base (different for
135 * Win16 (linear vs. segmented). Return -neededsize on overrun.
137 static int WS_copy_he(struct ws_hostent *p_to,char *p_base,int t_size,struct hostent* p_he)
139 char* p_name,*p_aliases,*p_addr,*p;
140 int size=hostent_size(p_he)+(sizeof(struct ws_hostent)-sizeof(struct hostent));
145 p += sizeof(struct ws_hostent);
147 strcpy(p, p_he->h_name); p += strlen(p) + 1;
149 p += list_dup(p_he->h_aliases, p, p_base + (p - (char*)p_to), 0);
151 list_dup(p_he->h_addr_list, p, p_base + (p - (char*)p_to), p_he->h_length);
153 p_to->h_addrtype = (INT16)p_he->h_addrtype;
154 p_to->h_length = (INT16)p_he->h_length;
155 p_to->h_name = (SEGPTR)(p_base + (p_name - (char*)p_to));
156 p_to->h_aliases = (SEGPTR)(p_base + (p_aliases - (char*)p_to));
157 p_to->h_addr_list = (SEGPTR)(p_base + (p_addr - (char*)p_to));
164 static int protoent_size(struct protoent* p_pe)
168 { size = sizeof(struct protoent);
169 size += strlen(p_pe->p_name) + 1;
170 size += list_size(p_pe->p_aliases, 0); }
174 /* Copy protoent to p_to, fix up inside pointers using p_base (different for
175 * Win16 (linear vs. segmented). Return -neededsize on overrun.
177 static int WS_copy_pe(struct ws_protoent *p_to,char *p_base,int t_size,struct protoent* p_pe)
179 char* p_name,*p_aliases,*p;
180 int size=protoent_size(p_pe)+(sizeof(struct ws_protoent)-sizeof(struct protoent));
185 p += sizeof(struct ws_protoent);
187 strcpy(p, p_pe->p_name); p += strlen(p) + 1;
189 list_dup(p_pe->p_aliases, p, p_base + (p - (char*)p_to), 0);
191 p_to->p_proto = (INT16)p_pe->p_proto;
192 p_to->p_name = (SEGPTR)(p_base) + (p_name - (char*)p_to);
193 p_to->p_aliases = (SEGPTR)((p_base) + (p_aliases - (char*)p_to));
201 static int servent_size(struct servent* p_se)
205 size += sizeof(struct servent);
206 size += strlen(p_se->s_proto) + strlen(p_se->s_name) + 2;
207 size += list_size(p_se->s_aliases, 0);
212 /* Copy servent to p_to, fix up inside pointers using p_base (different for
213 * Win16 (linear vs. segmented). Return -neededsize on overrun.
215 static int WS_copy_se(struct ws_servent *p_to,char *p_base,int t_size,struct servent* p_se)
217 char* p_name,*p_aliases,*p_proto,*p;
218 int size = servent_size(p_se)+(sizeof(struct ws_servent)-sizeof(struct servent));
223 p += sizeof(struct ws_servent);
225 strcpy(p, p_se->s_name); p += strlen(p) + 1;
227 strcpy(p, p_se->s_proto); p += strlen(p) + 1;
229 list_dup(p_se->s_aliases, p, p_base + (p - (char*)p_to), 0);
231 p_to->s_port = (INT16)p_se->s_port;
232 p_to->s_name = (SEGPTR)(p_base + (p_name - (char*)p_to));
233 p_to->s_proto = (SEGPTR)(p_base + (p_proto - (char*)p_to));
234 p_to->s_aliases = (SEGPTR)(p_base + (p_aliases - (char*)p_to));
239 static HANDLE __ws_async_handle = 0xdead;
241 /* Generic async query struct. we use symbolic names for the different queries
244 typedef struct _async_query {
248 #define host_name ptr1
249 #define host_addr ptr1
250 #define serv_name ptr1
251 #define proto_name ptr1
253 #define serv_proto ptr2
255 #define host_len int1
256 #define proto_number int1
257 #define serv_port int1
259 #define host_type int2
263 HANDLE16 async_handle;
267 #define HB_WIN32(hb) (hb->flags & AQ_WIN32)
272 #define AQ_GETPROTO 1
278 /****************************************************************************
279 * The async query function.
281 * It is either called as a thread startup routine or directly. It has
282 * to free the passed arg from the process heap and PostMessageA the async
283 * result or the error code.
286 * - errorhandling not verified.
288 static DWORD WINAPI _async_queryfun(LPVOID arg) {
289 async_query *aq = (async_query*)arg;
292 char *targetptr = (HB_WIN32(aq)?(char*)aq->sbuf:(char*)PTR_SEG_TO_LIN(aq->sbuf));
294 switch (aq->flags & AQ_GETMASK) {
297 struct ws_hostent *wshe = (struct ws_hostent*)targetptr;
299 he = (aq->flags & AQ_NAME) ?
300 gethostbyname(aq->host_name):
301 gethostbyaddr(aq->host_addr,aq->host_len,aq->host_type);
303 size = WS_copy_he(wshe,(char*)aq->sbuf,aq->sbuflen,he);
315 struct ws_protoent *wspe = (struct ws_protoent*)targetptr;
316 pe = (aq->flags & AQ_NAME)?
317 getprotobyname(aq->proto_name) :
318 getprotobynumber(aq->proto_number);
320 size = WS_copy_pe(wspe,(char*)aq->sbuf,aq->sbuflen,pe);
332 struct ws_servent *wsse = (struct ws_servent*)targetptr;
333 se = (aq->flags & AQ_NAME)?
334 getservbyname(aq->serv_name,aq->serv_proto) :
335 getservbyport(aq->serv_port,aq->serv_proto);
337 size = WS_copy_se(wsse,(char*)aq->sbuf,aq->sbuflen,se);
348 PostMessageA(aq->hWnd,aq->uMsg,aq->async_handle,size|(fail<<16));
349 HeapFree(GetProcessHeap(),0,arg);
353 /****************************************************************************
354 * The main async help function.
356 * It either starts a thread or just calls the function directly for platforms
357 * with no thread support. This relies on the fact that PostMessage() does
358 * not actually call the windowproc before the function returns.
360 static HANDLE16 __WSAsyncDBQuery(
361 HWND hWnd, UINT uMsg,INT int1,LPCSTR ptr1, INT int2, LPCSTR ptr2,
362 void *sbuf, INT sbuflen, UINT flags
364 async_query *aq = HeapAlloc(GetProcessHeap(),0,sizeof(async_query));
373 aq->async_handle = ++__ws_async_handle;
375 aq->sbuf = (SEGPTR)sbuf;
376 aq->sbuflen = sbuflen;
378 hthread = CreateThread(NULL,0,_async_queryfun,aq,0,NULL);
379 if (hthread==INVALID_HANDLE_VALUE)
382 return __ws_async_handle;
386 /***********************************************************************
387 * WSAAsyncGetHostByAddr() (WINSOCK.102)
389 HANDLE16 WINAPI WSAAsyncGetHostByAddr16(HWND16 hWnd, UINT16 uMsg, LPCSTR addr,
390 INT16 len, INT16 type, SEGPTR sbuf, INT16 buflen)
392 TRACE("hwnd %04x, msg %04x, addr %08x[%i]\n",
393 hWnd, uMsg, (unsigned)addr , len );
394 return __WSAsyncDBQuery(hWnd,uMsg,len,addr,type,NULL,(void*)sbuf,buflen,AQ_NUMBER|AQ_WIN16|AQ_GETHOST);
397 /***********************************************************************
398 * WSAAsyncGetHostByAddr() (WSOCK32.102)
400 HANDLE WINAPI WSAAsyncGetHostByAddr(HWND hWnd, UINT uMsg, LPCSTR addr,
401 INT len, INT type, LPSTR sbuf, INT buflen)
403 TRACE("hwnd %04x, msg %04x, addr %08x[%i]\n",
404 hWnd, uMsg, (unsigned)addr , len );
405 return __WSAsyncDBQuery(hWnd,uMsg,len,addr,type,NULL,sbuf,buflen,AQ_NUMBER|AQ_WIN32|AQ_GETHOST);
408 /***********************************************************************
409 * WSAAsyncGetHostByName() (WINSOCK.103)
411 HANDLE16 WINAPI WSAAsyncGetHostByName16(HWND16 hWnd, UINT16 uMsg, LPCSTR name,
412 SEGPTR sbuf, INT16 buflen)
414 TRACE("hwnd %04x, msg %04x, host %s, buffer %i\n", hWnd, uMsg, (name)?name:"<null>", (int)buflen );
416 return __WSAsyncDBQuery(hWnd,uMsg,0,name,0,NULL,(void*)sbuf,buflen,AQ_NAME|AQ_WIN16|AQ_GETHOST);
419 /***********************************************************************
420 * WSAAsyncGetHostByName32() (WSOCK32.103)
422 HANDLE WINAPI WSAAsyncGetHostByName(HWND hWnd, UINT uMsg, LPCSTR name,
423 LPSTR sbuf, INT buflen)
425 TRACE("hwnd %04x, msg %08x, host %s, buffer %i\n",
426 (HWND16)hWnd, uMsg, (name)?name:"<null>", (int)buflen );
427 return __WSAsyncDBQuery(hWnd,uMsg,0,name,0,NULL,sbuf,buflen,AQ_NAME|AQ_WIN32|AQ_GETHOST);
430 /***********************************************************************
431 * WSAAsyncGetProtoByName() (WINSOCK.105)
433 HANDLE16 WINAPI WSAAsyncGetProtoByName16(HWND16 hWnd, UINT16 uMsg, LPCSTR name,
434 SEGPTR sbuf, INT16 buflen)
436 TRACE("hwnd %04x, msg %08x, protocol %s\n",
437 (HWND16)hWnd, uMsg, (name)?name:"<null>" );
438 return __WSAsyncDBQuery(hWnd,uMsg,0,name,0,NULL,(void*)sbuf,buflen,AQ_GETPROTO|AQ_NAME|AQ_WIN16);
441 /***********************************************************************
442 * WSAAsyncGetProtoByName() (WSOCK32.105)
444 HANDLE WINAPI WSAAsyncGetProtoByName(HWND hWnd, UINT uMsg, LPCSTR name,
445 LPSTR sbuf, INT buflen)
447 TRACE("hwnd %04x, msg %08x, protocol %s\n",
448 (HWND16)hWnd, uMsg, (name)?name:"<null>" );
449 return __WSAsyncDBQuery(hWnd,uMsg,0,name,0,NULL,sbuf,buflen,AQ_GETPROTO|AQ_NAME|AQ_WIN32);
453 /***********************************************************************
454 * WSAAsyncGetProtoByNumber() (WINSOCK.104)
456 HANDLE16 WINAPI WSAAsyncGetProtoByNumber16(HWND16 hWnd,UINT16 uMsg,INT16 number,
457 SEGPTR sbuf, INT16 buflen)
459 TRACE("hwnd %04x, msg %04x, num %i\n", hWnd, uMsg, number );
460 return __WSAsyncDBQuery(hWnd,uMsg,number,NULL,0,NULL,(void*)sbuf,buflen,AQ_GETPROTO|AQ_NUMBER|AQ_WIN16);
463 /***********************************************************************
464 * WSAAsyncGetProtoByNumber() (WSOCK32.104)
466 HANDLE WINAPI WSAAsyncGetProtoByNumber(HWND hWnd, UINT uMsg, INT number,
467 LPSTR sbuf, INT buflen)
469 TRACE("hwnd %04x, msg %04x, num %i\n", hWnd, uMsg, number );
471 return __WSAsyncDBQuery(hWnd,uMsg,number,NULL,0,NULL,sbuf,buflen,AQ_GETPROTO|AQ_NUMBER|AQ_WIN32);
474 /***********************************************************************
475 * WSAAsyncGetServByName() (WINSOCK.107)
477 HANDLE16 WINAPI WSAAsyncGetServByName16(HWND16 hWnd, UINT16 uMsg, LPCSTR name,
478 LPCSTR proto, SEGPTR sbuf, INT16 buflen)
480 TRACE("hwnd %04x, msg %04x, name %s, proto %s\n",
481 hWnd, uMsg, (name)?name:"<null>", (proto)?proto:"<null>" );
483 return __WSAsyncDBQuery(hWnd,uMsg,0,name,0,proto,(void*)sbuf,buflen,AQ_GETSERV|AQ_NAME|AQ_WIN16);
486 /***********************************************************************
487 * WSAAsyncGetServByName() (WSOCK32.107)
489 HANDLE WINAPI WSAAsyncGetServByName(HWND hWnd, UINT uMsg, LPCSTR name,
490 LPCSTR proto, LPSTR sbuf, INT buflen)
492 TRACE("hwnd %04x, msg %04x, name %s, proto %s\n",
493 hWnd, uMsg, (name)?name:"<null>", (proto)?proto:"<null>" );
494 return __WSAsyncDBQuery(hWnd,uMsg,0,name,0,proto,sbuf,buflen,AQ_GETSERV|AQ_NAME|AQ_WIN32);
497 /***********************************************************************
498 * WSAAsyncGetServByPort() (WINSOCK.106)
500 HANDLE16 WINAPI WSAAsyncGetServByPort16(HWND16 hWnd, UINT16 uMsg, INT16 port,
501 LPCSTR proto, SEGPTR sbuf, INT16 buflen)
503 TRACE("hwnd %04x, msg %04x, port %i, proto %s\n",
504 hWnd, uMsg, port, (proto)?proto:"<null>" );
505 return __WSAsyncDBQuery(hWnd,uMsg,port,NULL,0,proto,(void*)sbuf,buflen,AQ_GETSERV|AQ_NUMBER|AQ_WIN16);
508 /***********************************************************************
509 * WSAAsyncGetServByPort() (WSOCK32.106)
511 HANDLE WINAPI WSAAsyncGetServByPort(HWND hWnd, UINT uMsg, INT port,
512 LPCSTR proto, LPSTR sbuf, INT buflen)
514 TRACE("hwnd %04x, msg %04x, port %i, proto %s\n",
515 hWnd, uMsg, port, (proto)?proto:"<null>" );
516 return __WSAsyncDBQuery(hWnd,uMsg,port,NULL,0,proto,sbuf,buflen,AQ_GETSERV|AQ_NUMBER|AQ_WIN32);
519 /***********************************************************************
520 * WSACancelAsyncRequest() (WINSOCK.108)(WSOCK32.109)
522 INT WINAPI WSACancelAsyncRequest(HANDLE hAsyncTaskHandle)
524 FIXME("(%08x),stub\n", hAsyncTaskHandle);
528 INT16 WINAPI WSACancelAsyncRequest16(HANDLE16 hAsyncTaskHandle)
530 return (HANDLE16)WSACancelAsyncRequest((HANDLE)hAsyncTaskHandle);