misc/winsocket.c

   1 /*
   2  * based on Windows Sockets 1.1 specs
   3  * (ftp.microsoft.com:/Advsys/winsock/spec11/WINSOCK.TXT)
   4  *
   5  * (C) 1993,1994 John Brezak, Erik Bos.
   6  */
   7
   8 #include <stdio.h>
   9 #include <string.h>
  10 #include <signal.h>
  11 #include <sys/types.h>
  12 #include <sys/ipc.h>
  13 #include <sys/ioctl.h>
  14 #include <sys/msg.h>
  15 #include <sys/socket.h>
  16 #include <netinet/in.h>
  17 #include <arpa/inet.h>
  18 #include <fcntl.h>
  19 #include <errno.h>
  20 #include <netdb.h>
  21 #include <unistd.h>
  22 #include "winsock.h"
  23 #include "toolhelp.h"
  24 #include "stddebug.h"
  25 #include "debug.h"
  26
  27 static WORD wsa_errno;
  28 static int wsa_initted;
  29 static key_t wine_key = 0;
  30 static FARPROC BlockFunction;
  31 static fd_set fd_in_use;
  32
  33 struct ipc_packet {
  34         long    mtype;
  35         HANDLE  handle;
  36         HWND    hWnd;
  37         WORD    wMsg;
  38         LONG    lParam;
  39 };
  40
  41 #ifndef WINELIB
  42 #pragma pack(1)
  43 #endif
  44
  45 #define IPC_PACKET_SIZE (sizeof(struct ipc_packet) - sizeof(long))
  46 #define MTYPE 0xb0b0eb05
  47
  48 /* These structures are Win16 only */
  49
  50 struct WIN_hostent  {
  51         SEGPTR  h_name WINE_PACKED;             /* official name of host */
  52         SEGPTR  h_aliases WINE_PACKED;  /* alias list */
  53         INT     h_addrtype WINE_PACKED;         /* host address type */
  54         INT     h_length WINE_PACKED;           /* length of address */
  55         char    **h_addr_list WINE_PACKED;      /* list of addresses from name server */
  56         char    *names[2];
  57         char    hostname[200];
  58 };
  59
  60 struct  WIN_protoent {
  61         SEGPTR  p_name WINE_PACKED;             /* official protocol name */
  62         SEGPTR  p_aliases WINE_PACKED;  /* alias list */
  63         INT     p_proto WINE_PACKED;            /* protocol # */
  64 };
  65
  66 struct  WIN_servent {
  67         SEGPTR  s_name WINE_PACKED;             /* official service name */
  68         SEGPTR  s_aliases WINE_PACKED;  /* alias list */
  69         INT     s_port WINE_PACKED;             /* port # */
  70         SEGPTR  s_proto WINE_PACKED;            /* protocol to use */
  71 };
  72
  73 struct WinSockHeap {
  74         char    ntoa_buffer[32];
  75
  76         struct  WIN_hostent hostent_addr;
  77         struct  WIN_hostent hostent_name;
  78         struct  WIN_protoent protoent_name;
  79         struct  WIN_protoent protoent_number;
  80         struct  WIN_servent servent_name;
  81         struct  WIN_servent servent_port;
  82
  83         struct  WIN_hostent WSAhostent_addr;
  84         struct  WIN_hostent WSAhostent_name;
  85         struct  WIN_protoent WSAprotoent_name;
  86         struct  WIN_protoent WSAprotoent_number;
  87         struct  WIN_servent WSAservent_name;
  88         struct  WIN_servent WSAservent_port;
  89         /* 8K scratch buffer for aliases and friends are hopefully enough */
  90         char scratch[8192];
  91 };
  92 static struct WinSockHeap *Heap;
  93 static int HeapHandle;
  94 static int ScratchPtr;
  95
  96 #ifndef WINELIB
  97 #define GET_SEG_PTR(x)  MAKELONG((int)((char*)(x)-(char*)Heap), \
  98                                                         GlobalHandleToSel(HeapHandle))
  99 #else
 100 #define GET_SEG_PTR(x)  (x)
 101 #endif
 102
 103 #ifndef WINELIB
 104 #pragma pack(4)
 105 #endif
 106
 107 #define dump_sockaddr(a) \
 108         fprintf(stderr, "sockaddr_in: family %d, address %s, port %d\n", \
 109                         ((struct sockaddr_in *)a)->sin_family, \
 110                         inet_ntoa(((struct sockaddr_in *)a)->sin_addr), \
 111                         ntohs(((struct sockaddr_in *)a)->sin_port))
 112
 113 static void ResetScratch()
 114 {
 115         ScratchPtr=0;
 116 }
 117
 118 static void *scratch_alloc(int size)
 119 {
 120         char *ret;
 121         if(ScratchPtr+size > sizeof(Heap->scratch))
 122                 return 0;
 123         ret = Heap->scratch + ScratchPtr;
 124         ScratchPtr += size;
 125         return ret;
 126 }
 127
 128 static SEGPTR scratch_strdup(char * s)
 129 {
 130         char *ret=scratch_alloc(strlen(s)+1);
 131         strcpy(ret,s);
 132         return GET_SEG_PTR(ret);
 133 }
 134
 135 static WORD wsaerrno(void)
 136 {
 137 #ifdef DEBUG_WINSOCK
 138 #ifndef sun
 139 #if defined(__FreeBSD__)
 140                 fprintf(stderr, "winsock: errno %d, (%s).\n",
 141                                         errno, sys_errlist[errno]);
 142 #else
 143                 fprintf(stderr, "winsock: errno %d, (%s).\n",
 144                                         errno, strerror(errno));
 145 #endif
 146 #else
 147                 fprintf(stderr, "winsock: errno %d\n", errno);
 148 #endif
 149 #endif
 150
 151         switch(errno)
 152         {
 153         case EINTR:             return WSAEINTR;
 154         case EACCES:            return WSAEACCES;
 155         case EFAULT:            return WSAEFAULT;
 156         case EINVAL:            return WSAEINVAL;
 157         case EMFILE:            return WSAEMFILE;
 158         case EWOULDBLOCK:       return WSAEWOULDBLOCK;
 159         case EINPROGRESS:       return WSAEINPROGRESS;
 160         case EALREADY:          return WSAEALREADY;
 161         case EBADF:
 162         case ENOTSOCK:          return WSAENOTSOCK;
 163         case EDESTADDRREQ:      return WSAEDESTADDRREQ;
 164         case EMSGSIZE:          return WSAEMSGSIZE;
 165         case EPROTOTYPE:        return WSAEPROTOTYPE;
 166         case ENOPROTOOPT:       return WSAENOPROTOOPT;
 167         case EPROTONOSUPPORT:   return WSAEPROTONOSUPPORT;
 168         case ESOCKTNOSUPPORT:   return WSAESOCKTNOSUPPORT;
 169         case EOPNOTSUPP:        return WSAEOPNOTSUPP;
 170         case EPFNOSUPPORT:      return WSAEPFNOSUPPORT;
 171         case EAFNOSUPPORT:      return WSAEAFNOSUPPORT;
 172         case EADDRINUSE:        return WSAEADDRINUSE;
 173         case EADDRNOTAVAIL:     return WSAEADDRNOTAVAIL;
 174         case ENETDOWN:          return WSAENETDOWN;
 175         case ENETUNREACH:       return WSAENETUNREACH;
 176         case ENETRESET:         return WSAENETRESET;
 177         case ECONNABORTED:      return WSAECONNABORTED;
 178         case ECONNRESET:        return WSAECONNRESET;
 179         case ENOBUFS:           return WSAENOBUFS;
 180         case EISCONN:           return WSAEISCONN;
 181         case ENOTCONN:          return WSAENOTCONN;
 182         case ESHUTDOWN:         return WSAESHUTDOWN;
 183         case ETOOMANYREFS:      return WSAETOOMANYREFS;
 184         case ETIMEDOUT:         return WSAETIMEDOUT;
 185         case ECONNREFUSED:      return WSAECONNREFUSED;
 186         case ELOOP:             return WSAELOOP;
 187         case ENAMETOOLONG:      return WSAENAMETOOLONG;
 188         case EHOSTDOWN:         return WSAEHOSTDOWN;
 189         case EHOSTUNREACH:      return WSAEHOSTUNREACH;
 190         case ENOTEMPTY:         return WSAENOTEMPTY;
 191 #ifdef EPROCLIM
 192         case EPROCLIM:          return WSAEPROCLIM;
 193 #endif
 194         case EUSERS:            return WSAEUSERS;
 195         case EDQUOT:            return WSAEDQUOT;
 196         case ESTALE:            return WSAESTALE;
 197         case EREMOTE:           return WSAEREMOTE;
 198
 199         default:
 200                 fprintf(stderr, "winsock: unknown errorno %d!\n", errno);
 201                 return WSAEOPNOTSUPP;
 202         }
 203 }
 204
 205 static void errno_to_wsaerrno(void)
 206 {
 207         wsa_errno = wsaerrno();
 208 }
 209
 210 static void convert_sockopt(INT *level, INT *optname)
 211 {
 212 /* $%#%!@! why couldn't they use the same values for both winsock and unix ? */
 213
 214         switch (*level) {
 215                 case -1:
 216                         *level = SOL_SOCKET;
 217                         switch (*optname) {
 218                         case 0x01:      *optname = SO_DEBUG;
 219                                         break;
 220                         case 0x04:      *optname = SO_REUSEADDR;
 221                                         break;
 222                         case 0x08:      *optname = SO_KEEPALIVE;
 223                                         break;
 224                         case 0x10:      *optname = SO_DONTROUTE;
 225                                         break;
 226                         case 0x20:      *optname = SO_BROADCAST;
 227                                         break;
 228                         case 0x80:      *optname = SO_LINGER;
 229                                         break;
 230                         case 0x100:     *optname = SO_OOBINLINE;
 231                                         break;
 232                         case 0x1001:    *optname = SO_SNDBUF;
 233                                         break;
 234                         case 0x1002:    *optname = SO_RCVBUF;
 235                                         break;
 236                         case 0x1007:    *optname = SO_ERROR;
 237                                         break;
 238                         case 0x1008:    *optname = SO_TYPE;
 239                                         break;
 240                         default:
 241                                         fprintf(stderr, "convert_sockopt() unknown optname %d\n", *optname);
 242                                         break;
 243                         }
 244                         break;
 245                 case 6: *optname = IPPROTO_TCP;
 246         }
 247 }
 248
 249 #ifndef WINELIB
 250 static SEGPTR copy_stringlist(char **list)
 251 {
 252         SEGPTR *s_list;
 253         int i;
 254         for(i=0;list[i];i++)
 255                 ;
 256         s_list = scratch_alloc(sizeof(SEGPTR)*(i+1));
 257         for(i=0;list[i];i++)
 258         {
 259                 void *copy = scratch_alloc(strlen(list[i])+1);
 260                 strcpy(copy,list[i]);
 261                 s_list[i]=GET_SEG_PTR(copy);
 262         }
 263         s_list[i]=0;
 264         return GET_SEG_PTR(s_list);
 265 }
 266
 267
 268 static void CONVERT_HOSTENT(struct WIN_hostent *heapent, struct hostent *host)
 269 {
 270         SEGPTR *addr_list;
 271         int i;
 272         ResetScratch();
 273         strcpy(heapent->hostname,host->h_name);
 274         heapent->h_name = GET_SEG_PTR(heapent->hostname);
 275         /* Convert aliases. Have to create array with FAR pointers */
 276         if(!host->h_aliases)
 277                 heapent->h_aliases = 0;
 278         else
 279                 heapent->h_aliases = copy_stringlist(host->h_aliases);
 280
 281         heapent->h_addrtype = host->h_addrtype;
 282         heapent->h_length = host->h_length;
 283         for(i=0;host->h_addr_list[i];i++)
 284                 ;
 285         addr_list=scratch_alloc(sizeof(SEGPTR)*(i+1));
 286         heapent->h_addr_list = GET_SEG_PTR(addr_list);
 287         for(i=0;host->h_addr_list[i];i++)
 288         {
 289                 void *addr=scratch_alloc(host->h_length);
 290                 memcpy(addr,host->h_addr_list[i],host->h_length);
 291                 addr_list[i]=GET_SEG_PTR(addr);
 292         }
 293         addr_list[i]=0;
 294 }
 295
 296 static void CONVERT_PROTOENT(struct WIN_protoent *heapent,
 297         struct protoent *proto)
 298 {
 299         ResetScratch();
 300         heapent->p_name= scratch_strdup(proto->p_name);
 301         heapent->p_aliases=proto->p_aliases ?
 302                         copy_stringlist(proto->p_aliases) : 0;
 303         heapent->p_proto = proto->p_proto;
 304 }
 305
 306 static void CONVERT_SERVENT(struct WIN_servent *heapent, struct servent *serv)
 307 {
 308         ResetScratch();
 309         heapent->s_name = scratch_strdup(serv->s_name);
 310         heapent->s_aliases = serv->s_aliases ?
 311                         copy_stringlist(serv->s_aliases) : 0;
 312         heapent->s_port = serv->s_port;
 313         heapent->s_proto = scratch_strdup(serv->s_proto);
 314 }
 315 #else
 316 #define CONVERT_HOSTENT(a,b)    memcpy(a, &b, sizeof(a))
 317 #define CONVERT_PROTOENT(a,b)   memcpy(a, &b, sizeof(a))
 318 #define CONVERT_SERVENT(a,b)    memcpy(a, &b, sizeof(a))
 319 #endif
 320
 321 SOCKET WINSOCK_accept(SOCKET s, struct sockaddr *addr, INT *addrlen)
 322 {
 323         int sock;
 324
 325         dprintf_winsock(stddeb, "WSA_accept: socket %d, ptr %8x, length %d\n", s, (int) addr, *addrlen);
 326
 327         if ((sock = accept(s, addr, (int *) addrlen)) < 0) {
 328                 errno_to_wsaerrno();
 329                 return INVALID_SOCKET;
 330         }
 331         return sock;
 332 }
 333
 334 INT WINSOCK_bind(SOCKET s, struct sockaddr *name, INT namelen)
 335 {
 336         dprintf_winsock(stddeb, "WSA_bind: socket %d, ptr %8x, length %d\n", s, (int) name, namelen);
 337         dump_sockaddr(name);
 338
 339         if (bind(s, name, namelen) < 0) {
 340                 errno_to_wsaerrno();
 341                 return SOCKET_ERROR;
 342         }
 343         return 0;
 344 }
 345
 346 INT WINSOCK_closesocket(SOCKET s)
 347 {
 348         dprintf_winsock(stddeb, "WSA_closesocket: socket %d\n", s);
 349
 350         FD_CLR(s, &fd_in_use);
 351
 352         if (close(s) < 0) {
 353                 errno_to_wsaerrno();
 354                 return SOCKET_ERROR;
 355         }
 356         return 0;
 357 }
 358
 359 INT WINSOCK_connect(SOCKET s, struct sockaddr *name, INT namelen)
 360 {
 361         dprintf_winsock(stddeb, "WSA_connect: socket %d, ptr %8x, length %d\n", s, (int) name, namelen);
 362         dump_sockaddr(name);
 363
 364         if (connect(s, name, namelen) < 0) {
 365                 errno_to_wsaerrno();
 366                 return SOCKET_ERROR;
 367         }
 368         return 0;
 369 }
 370
 371 INT WINSOCK_getpeername(SOCKET s, struct sockaddr *name, INT *namelen)
 372 {
 373         dprintf_winsock(stddeb, "WSA_getpeername: socket: %d, ptr %8x, ptr %8x\n", s, (int) name, *namelen);
 374         dump_sockaddr(name);
 375
 376         if (getpeername(s, name, (int *) namelen) < 0) {
 377                 errno_to_wsaerrno();
 378                 return SOCKET_ERROR;
 379         }
 380         return 0;
 381 }
 382
 383 INT WINSOCK_getsockname(SOCKET s, struct sockaddr *name, INT *namelen)
 384 {
 385         dprintf_winsock(stddeb, "WSA_getsockname: socket: %d, ptr %8x, ptr %8x\n", s, (int) name, (int) *namelen);
 386         if (getsockname(s, name, (int *) namelen) < 0) {
 387                 errno_to_wsaerrno();
 388                 return SOCKET_ERROR;
 389         }
 390         return 0;
 391 }
 392
 393 INT
 394 WINSOCK_getsockopt(SOCKET s, INT level, INT optname, char *optval, INT *optlen)
 395 {
 396         dprintf_winsock(stddeb, "WSA_getsockopt: socket: %d, opt %d, ptr %8x, ptr %8x\n", s, level, (int) optval, (int) *optlen);
 397         convert_sockopt(&level, &optname);
 398
 399         if (getsockopt(s, (int) level, optname, optval, (int *) optlen) < 0) {
 400                 errno_to_wsaerrno();
 401                 return SOCKET_ERROR;
 402         }
 403         return 0;
 404 }
 405
 406 u_long WINSOCK_htonl(u_long hostlong)
 407 {
 408         return( htonl(hostlong) );
 409 }
 410
 411 u_short WINSOCK_htons(u_short hostshort)
 412 {
 413         return( htons(hostshort) );
 414 }
 415
 416 u_long WINSOCK_inet_addr(char *cp)
 417 {
 418         return( inet_addr(cp) );
 419 }
 420
 421 char *WINSOCK_inet_ntoa(struct in_addr in)
 422 {
 423         char *s;
 424
 425 /*      dprintf_winsock(stddeb, "WSA_inet_ntoa: %8lx\n", (int) in);*/
 426
 427         if ((s = inet_ntoa(in)) == NULL) {
 428                 errno_to_wsaerrno();
 429                 return NULL;
 430         }
 431
 432         strncpy(Heap->ntoa_buffer, s, sizeof(Heap->ntoa_buffer) );
 433
 434         return (char *) GET_SEG_PTR(&Heap->ntoa_buffer);
 435 }
 436
 437 INT WINSOCK_ioctlsocket(SOCKET s, u_long cmd, u_long *argp)
 438 {
 439         long newcmd;
 440         u_long *newargp;
 441         char *ctlname;
 442         dprintf_winsock(stddeb, "WSA_ioctl: socket %d, cmd %lX, ptr %8x\n", s, cmd, (int) argp);
 443
 444         /* Why can't they all use the same ioctl numbers */
 445         newcmd=cmd;
 446         newargp=argp;
 447         ctlname=0;
 448         if(cmd == _IOR('f',127,u_long))
 449         {
 450                 ctlname="FIONREAD";
 451                 newcmd=FIONREAD;
 452         }else
 453         if(cmd == _IOW('f',126,u_long) || cmd == _IOR('f',126,u_long))
 454         {
 455                 ctlname="FIONBIO";
 456                 newcmd=FIONBIO;
 457         }else
 458         if(cmd == _IOW('f',125,u_long))
 459         {
 460                 ctlname="FIOASYNC";
 461                 newcmd=FIOASYNC;
 462         }
 463
 464         if(!ctlname)
 465                 fprintf(stderr,"Unknown winsock ioctl. Trying anyway\n");
 466         else
 467                 dprintf_winsock(stddeb,"Recognized as %s\n", ctlname);
 468
 469
 470         if (ioctl(s, newcmd, newargp) < 0) {
 471                 errno_to_wsaerrno();
 472                 return SOCKET_ERROR;
 473         }
 474         return 0;
 475 }
 476
 477 INT WINSOCK_listen(SOCKET s, INT backlog)
 478 {
 479         dprintf_winsock(stddeb, "WSA_listen: socket %d, backlog %d\n", s, backlog);
 480
 481         if (listen(s, backlog) < 0) {
 482                 errno_to_wsaerrno();
 483                 return SOCKET_ERROR;
 484         }
 485         return 0;
 486 }
 487
 488 u_long WINSOCK_ntohl(u_long netlong)
 489 {
 490         return( ntohl(netlong) );
 491 }
 492
 493 u_short WINSOCK_ntohs(u_short netshort)
 494 {
 495         return( ntohs(netshort) );
 496 }
 497
 498 INT WINSOCK_recv(SOCKET s, char *buf, INT len, INT flags)
 499 {
 500         int length;
 501
 502         dprintf_winsock(stddeb, "WSA_recv: socket %d, ptr %8x, length %d, flags %d\n", s, (int) buf, len, flags);
 503
 504         if ((length = recv(s, buf, len, flags)) < 0) {
 505                 errno_to_wsaerrno();
 506                 return SOCKET_ERROR;
 507         }
 508         return length;
 509 }
 510
 511 INT WINSOCK_recvfrom(SOCKET s, char *buf, INT len, INT flags,
 512                 struct sockaddr *from, int *fromlen)
 513 {
 514         int length;
 515
 516         dprintf_winsock(stddeb, "WSA_recvfrom: socket %d, ptr %8lx, length %d, flags %d\n", s, (unsigned long)buf, len, flags);
 517
 518         if ((length = recvfrom(s, buf, len, flags, from, fromlen)) < 0) {
 519                 errno_to_wsaerrno();
 520                 return SOCKET_ERROR;
 521         }
 522         return length;
 523 }
 524
 525 INT WINSOCK_select(INT nfds, fd_set *readfds, fd_set *writefds,
 526         fd_set *exceptfds, struct timeval *timeout)
 527 {
 528         dprintf_winsock(stddeb, "WSA_select: fd # %d, ptr %8lx, ptr %8lx, ptr %8lX\n", nfds, (unsigned long) readfds, (unsigned long) writefds, (unsigned long) exceptfds);
 529
 530         return(select(nfds, readfds, writefds, exceptfds, timeout));
 531 }
 532
 533 INT WINSOCK_send(SOCKET s, char *buf, INT len, INT flags)
 534 {
 535         int length;
 536
 537         dprintf_winsock(stddeb, "WSA_send: socket %d, ptr %8lx, length %d, flags %d\n", s, (unsigned long) buf, len, flags);
 538
 539         if ((length = send(s, buf, len, flags)) < 0) {
 540                 errno_to_wsaerrno();
 541                 return SOCKET_ERROR;
 542         }
 543         return length;
 544 }
 545
 546 INT WINSOCK_sendto(SOCKET s, char *buf, INT len, INT flags,
 547                 struct sockaddr *to, INT tolen)
 548 {
 549         int length;
 550
 551         dprintf_winsock(stddeb, "WSA_sendto: socket %d, ptr %8lx, length %d, flags %d\n", s, (unsigned long) buf, len, flags);
 552
 553         if ((length = sendto(s, buf, len, flags, to, tolen)) < 0) {
 554                 errno_to_wsaerrno();
 555                 return SOCKET_ERROR;
 556         }
 557         return length;
 558 }
 559
 560 INT WINSOCK_setsockopt(SOCKET s, INT level, INT optname, const char *optval,
 561                         INT optlen)
 562 {
 563         dprintf_winsock(stddeb, "WSA_setsockopt: socket %d, level %d, opt %d, ptr %8x, len %d\n", s, level, optname, (int) optval, optlen);
 564         convert_sockopt(&level, &optname);
 565
 566         if (setsockopt(s, level, optname, optval, optlen) < 0) {
 567                 errno_to_wsaerrno();
 568                 return SOCKET_ERROR;
 569         }
 570         return 0;
 571 }
 572
 573 INT WINSOCK_shutdown(SOCKET s, INT how)
 574 {
 575         dprintf_winsock(stddeb, "WSA_shutdown: socket s %d, how %d\n", s, how);
 576
 577         if (shutdown(s, how) < 0) {
 578                 errno_to_wsaerrno();
 579                 return SOCKET_ERROR;
 580         }
 581         return 0;
 582 }
 583
 584 SOCKET WINSOCK_socket(INT af, INT type, INT protocol)
 585 {
 586     int sock;
 587
 588     dprintf_winsock(stddeb, "WSA_socket: af=%d type=%d protocol=%d\n", af, type, protocol);
 589
 590     if ((sock = socket(af, type, protocol)) < 0) {
 591             errno_to_wsaerrno();
 592             dprintf_winsock(stddeb, "WSA_socket: failed !\n");
 593             return INVALID_SOCKET;
 594     }
 595
 596     if (sock > 0xffff) {
 597         wsa_errno = WSAEMFILE;
 598         return INVALID_SOCKET;
 599     }
 600
 601     FD_SET(sock, &fd_in_use);
 602
 603     dprintf_winsock(stddeb, "WSA_socket: fd %d\n", sock);
 604     return sock;
 605 }
 606
 607 /*
 608 struct WIN_hostent *
 609 */
 610 SEGPTR WINSOCK_gethostbyaddr(const char *addr, INT len, INT type)
 611 {
 612         struct hostent *host;
 613
 614         dprintf_winsock(stddeb, "WSA_gethostbyaddr: ptr %8x, len %d, type %d\n", (int) addr, len, type);
 615
 616         if ((host = gethostbyaddr(addr, len, type)) == NULL) {
 617                 errno_to_wsaerrno();
 618                 return NULL;
 619         }
 620         CONVERT_HOSTENT(&Heap->hostent_addr, host);
 621
 622         return GET_SEG_PTR(&Heap->hostent_addr);
 623 }
 624
 625 /*
 626 struct WIN_hostent *
 627 */
 628 SEGPTR WINSOCK_gethostbyname(const char *name)
 629 {
 630         struct hostent *host;
 631
 632         dprintf_winsock(stddeb, "WSA_gethostbyname: %s\n", name);
 633
 634         if ((host = gethostbyname(name)) == NULL) {
 635                 errno_to_wsaerrno();
 636                 return NULL;
 637         }
 638         CONVERT_HOSTENT(&Heap->hostent_name, host);
 639
 640         return GET_SEG_PTR(&Heap->hostent_name);
 641 }
 642
 643 INT WINSOCK_gethostname(char *name, INT namelen)
 644 {
 645         dprintf_winsock(stddeb, "WSA_gethostname: name %s, len %d\n", name, namelen);
 646
 647         if (gethostname(name, namelen) < 0) {
 648                 errno_to_wsaerrno();
 649                 return SOCKET_ERROR;
 650         }
 651         return 0;
 652 }
 653
 654 /*
 655 struct WIN_protoent *
 656 */
 657 SEGPTR WINSOCK_getprotobyname(char *name)
 658 {
 659         struct protoent *proto;
 660
 661         dprintf_winsock(stddeb, "WSA_getprotobyname: name %s\n", name);
 662
 663         if ((proto = getprotobyname(name)) == NULL) {
 664                 errno_to_wsaerrno();
 665                 return NULL;
 666         }
 667         CONVERT_PROTOENT(&Heap->protoent_name, proto);
 668
 669         return GET_SEG_PTR(&Heap->protoent_name);
 670 }
 671
 672 /*
 673 struct WIN_protoent *
 674 */
 675 SEGPTR WINSOCK_getprotobynumber(INT number)
 676 {
 677         struct protoent *proto;
 678
 679         dprintf_winsock(stddeb, "WSA_getprotobynumber: num %d\n", number);
 680
 681         if ((proto = getprotobynumber(number)) == NULL) {
 682                 errno_to_wsaerrno();
 683                 return NULL;
 684         }
 685         CONVERT_PROTOENT(&Heap->protoent_number, proto);
 686
 687         return GET_SEG_PTR(&Heap->protoent_number);
 688 }
 689
 690 /*
 691 struct WIN_servent *
 692 */
 693 SEGPTR WINSOCK_getservbyname(const char *name, const char *proto)
 694 {
 695         struct servent *service;
 696
 697         if (proto == NULL)
 698                 proto = "tcp";
 699
 700         dprintf_winsock(stddeb, "WSA_getservbyname: name %s, proto %s\n", name, proto);
 701
 702         if ((service = getservbyname(name, proto)) == NULL) {
 703                 errno_to_wsaerrno();
 704                 return NULL;
 705         }
 706         CONVERT_SERVENT(&Heap->servent_name, service);
 707
 708         return GET_SEG_PTR(&Heap->servent_name);
 709 }
 710
 711 /*
 712 struct WIN_servent *
 713 */
 714 SEGPTR WINSOCK_getservbyport(INT port, const char *proto)
 715 {
 716         struct servent *service;
 717
 718         dprintf_winsock(stddeb, "WSA_getservbyport: port %d, name %s\n", port, proto);
 719
 720         if ((service = getservbyport(port, proto)) == NULL) {
 721                 errno_to_wsaerrno();
 722                 return NULL;
 723         }
 724         CONVERT_SERVENT(&Heap->servent_port, service);
 725
 726         return GET_SEG_PTR(&Heap->servent_port);
 727 }
 728
 729 /******************** winsock specific functions ************************
 730  *
 731  */
 732 static HANDLE new_handle = 0;
 733
 734 static HANDLE AllocWSAHandle(void)
 735 {
 736         return new_handle++;
 737 }
 738
 739 static void recv_message(int sig)
 740 {
 741         struct ipc_packet message;
 742
 743         if (msgrcv(wine_key, &message, IPC_PACKET_SIZE, MTYPE, IPC_NOWAIT) == -1)
 744                 perror("wine: msgrcv");
 745
 746         fprintf(stderr,
 747                 "WSA: PostMessage (hwnd %d, wMsg %d, wParam %d, lParam %ld)\n",
 748                 message.hWnd,
 749                 message.wMsg,
 750                 message.handle,
 751                 message.lParam);
 752
 753         PostMessage(message.hWnd, message.wMsg, message.handle, message.lParam);
 754
 755         signal(SIGUSR1, recv_message);
 756 }
 757
 758
 759 static void send_message(HANDLE handle, HWND hWnd, u_int wMsg, long lParam)
 760 {
 761         struct ipc_packet message;
 762
 763         message.mtype = MTYPE;
 764         message.handle = handle;
 765         message.hWnd = hWnd;
 766         message.wMsg = wMsg;
 767         message.lParam = lParam;
 768
 769         fprintf(stderr,
 770                 "WSA: send (hwnd %d, wMsg %d, handle %d, lParam %ld)\n",
 771                 hWnd, wMsg, handle, lParam);
 772
 773         if (msgsnd(wine_key, &message,  IPC_PACKET_SIZE, IPC_NOWAIT) == -1)
 774                 perror("wine: msgsnd");
 775
 776         kill(getppid(), SIGUSR1);
 777 }
 778
 779
 780 HANDLE WSAAsyncGetHostByAddr(HWND hWnd, u_int wMsg, const char *addr,
 781                  INT len, INT type, char *buf, INT buflen)
 782 {
 783         HANDLE handle;
 784         struct hostent *host;
 785
 786         handle = AllocWSAHandle();
 787
 788         if (fork()) {
 789                 return handle;
 790         } else {
 791                 if ((host = gethostbyaddr(addr, len, type)) == NULL) {
 792                         send_message(hWnd, wMsg, handle, wsaerrno() << 16);
 793                         exit(0);
 794                 }
 795                 memcpy(buf, host, buflen);
 796                 send_message(hWnd, wMsg, handle, 0);
 797                 exit(0);
 798         }
 799 }
 800
 801
 802 HANDLE WSAAsyncGetHostByName(HWND hWnd, u_int wMsg, const char *name,
 803                         char *buf, INT buflen)
 804 {
 805         HANDLE handle;
 806         struct hostent *host;
 807
 808         handle = AllocWSAHandle();
 809
 810         if (fork()) {
 811                 return handle;
 812         } else {
 813                 if ((host = gethostbyname(name)) == NULL) {
 814                         send_message(hWnd, wMsg, handle, wsaerrno() << 16);
 815                         exit(0);
 816                 }
 817                 memcpy(buf, host, buflen);
 818                 send_message(hWnd, wMsg, handle, 0);
 819                 exit(0);
 820         }
 821 }
 822
 823
 824 HANDLE WSAAsyncGetProtoByName(HWND hWnd, u_int wMsg, const char *name,
 825                         char *buf, INT buflen)
 826 {
 827         HANDLE handle;
 828         struct protoent *proto;
 829
 830         handle = AllocWSAHandle();
 831
 832         if (fork()) {
 833                 return handle;
 834         } else {
 835                 if ((proto = getprotobyname(name)) == NULL) {
 836                         send_message(hWnd, wMsg, handle, wsaerrno() << 16);
 837                         exit(0);
 838                 }
 839                 memcpy(buf, proto, buflen);
 840                 send_message(hWnd, wMsg, handle, 0);
 841                 exit(0);
 842         }
 843 }
 844
 845
 846 HANDLE WSAAsyncGetProtoByNumber(HWND hWnd, u_int wMsg, INT number,
 847                         char *buf, INT buflen)
 848 {
 849         HANDLE handle;
 850         struct protoent *proto;
 851
 852         handle = AllocWSAHandle();
 853
 854         if (fork()) {
 855                 return handle;
 856         } else {
 857                 if ((proto = getprotobynumber(number)) == NULL) {
 858                         send_message(hWnd, wMsg, handle, wsaerrno() << 16);
 859                         exit(0);
 860                 }
 861                 memcpy(buf, proto, buflen);
 862                 send_message(hWnd, wMsg, handle, 0);
 863                 exit(0);
 864         }
 865 }
 866
 867
 868 HANDLE WSAAsyncGetServByName(HWND hWnd, u_int wMsg, const char *name,
 869                         const char *proto, char *buf, INT buflen)
 870 {
 871         HANDLE handle;
 872         struct servent *service;
 873
 874         handle = AllocWSAHandle();
 875
 876         if (fork()) {
 877                 return handle;
 878         } else {
 879                 if ((service = getservbyname(name, proto)) == NULL) {
 880                         send_message(hWnd, wMsg, handle, wsaerrno() << 16);
 881                         exit(0);
 882                 }
 883                 memcpy(buf, service, buflen);
 884                 send_message(hWnd, wMsg, handle, 0);
 885                 exit(0);
 886         }
 887 }
 888
 889
 890 HANDLE WSAAsyncGetServByPort(HWND hWnd, u_int wMsg, INT port, const char
 891                         *proto, char *buf, INT buflen)
 892 {
 893         HANDLE handle;
 894         struct servent *service;
 895
 896         handle = AllocWSAHandle();
 897
 898         if (fork()) {
 899                 return handle;
 900         } else {
 901                 if ((service = getservbyport(port, proto)) == NULL) {
 902                         send_message(hWnd, wMsg, handle, wsaerrno() << 16);
 903                         exit(0);
 904                 }
 905                 memcpy(buf, service, buflen);
 906                 send_message(hWnd, wMsg, handle, 0);
 907                 exit(0);
 908         }
 909 }
 910
 911 INT WSAAsyncSelect(SOCKET s, HWND hWnd, u_int wMsg, long lEvent)
 912 {
 913         long event;
 914         fd_set read_fds, write_fds, except_fds;
 915
 916         dprintf_winsock(stddeb, "WSA_AsyncSelect: socket %d, HWND %d, wMsg %d, event %ld\n", s, hWnd, wMsg, lEvent);
 917
 918         /* remove outstanding asyncselect() processes */
 919         /* kill */
 920
 921         if (wMsg == 0 && lEvent == 0)
 922                 return 0;
 923
 924         if (fork()) {
 925                 return 0;
 926         } else {
 927                 while (1) {
 928                         FD_ZERO(&read_fds);
 929                         FD_ZERO(&write_fds);
 930                         FD_ZERO(&except_fds);
 931
 932                         if (lEvent & FD_READ)
 933                                 FD_SET(s, &read_fds);
 934                         if (lEvent & FD_WRITE)
 935                                 FD_SET(s, &write_fds);
 936
 937                         fcntl(s, F_SETFL, O_NONBLOCK);
 938                         select(s + 1, &read_fds, &write_fds, &except_fds, NULL);
 939
 940                         event = 0;
 941                         if (FD_ISSET(s, &read_fds))
 942                                 event |= FD_READ;
 943                         if (FD_ISSET(s, &write_fds))
 944                                 event |= FD_WRITE;
 945
 946                         send_message(hWnd, wMsg, s, (wsaerrno() << 16) | event);
 947                 }
 948         }
 949 }
 950
 951 INT WSAFDIsSet(INT fd, fd_set *set)
 952 {
 953         return( FD_ISSET(fd, set) );
 954 }
 955
 956 INT WSACancelAsyncRequest(HANDLE hAsyncTaskHandle)
 957 {
 958         dprintf_winsock(stddeb, "WSA_AsyncRequest: handle %d\n", hAsyncTaskHandle);
 959
 960         return 0;
 961 }
 962
 963 INT WSACancelBlockingCall(void)
 964 {
 965         dprintf_winsock(stddeb, "WSA_CancelBlockCall\n");
 966         return 0;
 967 }
 968
 969 INT WSAGetLastError(void)
 970 {
 971         dprintf_winsock(stddeb, "WSA_GetLastError = %x\n", wsa_errno);
 972
 973     return wsa_errno;
 974 }
 975
 976 void WSASetLastError(INT iError)
 977 {
 978         dprintf_winsock(stddeb, "WSA_SetLastErorr %d\n", iError);
 979
 980     wsa_errno = iError;
 981 }
 982
 983 BOOL WSAIsBlocking(void)
 984 {
 985         dprintf_winsock(stddeb, "WSA_IsBlocking\n");
 986
 987         return 0;
 988 }
 989
 990 FARPROC WSASetBlockingHook(FARPROC lpBlockFunc)
 991 {
 992         dprintf_winsock(stddeb, "WSA_SetBlockHook %8lx, STUB!\n", (unsigned long) lpBlockFunc);
 993         BlockFunction = lpBlockFunc;
 994
 995         return (FARPROC) lpBlockFunc;
 996 }
 997
 998 INT WSAUnhookBlockingHook(void)
 999 {
1000         dprintf_winsock(stddeb, "WSA_UnhookBlockingHook\n");
1001         BlockFunction = NULL;
1002
1003         return 0;
1004 }
1005
1006 WSADATA WINSOCK_data = {
1007         0x0101,
1008         0x0101,
1009         "WINE Sockets",
1010 #ifdef linux
1011         "LINUX/i386",
1012 #endif
1013 #ifdef __NetBSD__
1014         "NetBSD/i386",
1015 #endif
1016 #ifdef sunos
1017         "SunOS",
1018 #endif
1019         128,
1020         1024,
1021         NULL
1022 };
1023
1024 INT WSAStartup(WORD wVersionRequested, LPWSADATA lpWSAData)
1025 {
1026
1027     dprintf_winsock(stddeb, "WSAStartup: verReq=%x\n", wVersionRequested);
1028
1029     if (LOBYTE(wVersionRequested) < 1 ||
1030         (LOBYTE(wVersionRequested) == 1 &&
1031          HIBYTE(wVersionRequested) < 1))
1032         return WSAVERNOTSUPPORTED;
1033
1034     if (!lpWSAData)
1035         return WSAEINVAL;
1036
1037         /* alloc winsock heap */
1038
1039     if ((HeapHandle = GlobalAlloc(GMEM_FIXED,sizeof(struct WinSockHeap))) == 0)
1040         return WSASYSNOTREADY;
1041
1042     Heap = (struct WinSockHeap *) GlobalLock(HeapHandle);
1043     bcopy(&WINSOCK_data, lpWSAData, sizeof(WINSOCK_data));
1044
1045     /* ipc stuff */
1046
1047     if ((wine_key = msgget(IPC_PRIVATE, 0600)) == -1)
1048         perror("wine: msgget");
1049
1050     signal(SIGUSR1, recv_message);
1051
1052     /* clear */
1053
1054     FD_ZERO(&fd_in_use);
1055
1056     wsa_initted = 1;
1057     return(0);
1058 }
1059
1060 INT WSACleanup(void)
1061 {
1062         int fd;
1063
1064         if (wine_key)
1065                 if (msgctl(wine_key, IPC_RMID, NULL) == -1)
1066                         perror("wine: shmctl");
1067
1068         for (fd = 0; fd != FD_SETSIZE; fd++)
1069                 if (FD_ISSET(fd, &fd_in_use))
1070                         close(fd);
1071
1072         wsa_initted = 0;
1073         return 0;
1074 }