| 1 | /* win32sck.c |
| 2 | * |
| 3 | * (c) 1995 Microsoft Corporation. All rights reserved. |
| 4 | * Developed by hip communications inc. |
| 5 | * Portions (c) 1993 Intergraph Corporation. All rights reserved. |
| 6 | * |
| 7 | * You may distribute under the terms of either the GNU General Public |
| 8 | * License or the Artistic License, as specified in the README file. |
| 9 | */ |
| 10 | |
| 11 | #define WIN32IO_IS_STDIO |
| 12 | #define WIN32SCK_IS_STDSCK |
| 13 | #define WIN32_LEAN_AND_MEAN |
| 14 | #define PERLIO_NOT_STDIO 0 |
| 15 | #ifdef __GNUC__ |
| 16 | #define Win32_Winsock |
| 17 | #endif |
| 18 | #include <windows.h> |
| 19 | #include <ws2spi.h> |
| 20 | |
| 21 | #include "EXTERN.h" |
| 22 | #include "perl.h" |
| 23 | |
| 24 | #include "Win32iop.h" |
| 25 | #include <sys/socket.h> |
| 26 | #include <fcntl.h> |
| 27 | #include <sys/stat.h> |
| 28 | #include <assert.h> |
| 29 | #include <io.h> |
| 30 | |
| 31 | /* thanks to Beverly Brown (beverly@datacube.com) */ |
| 32 | #define OPEN_SOCKET(x) win32_open_osfhandle(x,O_RDWR|O_BINARY) |
| 33 | #define TO_SOCKET(x) _get_osfhandle(x) |
| 34 | |
| 35 | #define StartSockets() \ |
| 36 | STMT_START { \ |
| 37 | if (!wsock_started) \ |
| 38 | start_sockets(); \ |
| 39 | } STMT_END |
| 40 | |
| 41 | #define SOCKET_TEST(x, y) \ |
| 42 | STMT_START { \ |
| 43 | StartSockets(); \ |
| 44 | if((x) == (y)) \ |
| 45 | errno = get_last_socket_error(); \ |
| 46 | } STMT_END |
| 47 | |
| 48 | #define SOCKET_TEST_ERROR(x) SOCKET_TEST(x, SOCKET_ERROR) |
| 49 | |
| 50 | static int get_last_socket_error(void); |
| 51 | static struct servent* win32_savecopyservent(struct servent*d, |
| 52 | struct servent*s, |
| 53 | const char *proto); |
| 54 | |
| 55 | static int wsock_started = 0; |
| 56 | |
| 57 | #ifdef WIN32_DYN_IOINFO_SIZE |
| 58 | EXTERN_C Size_t w32_ioinfo_size; |
| 59 | #endif |
| 60 | |
| 61 | EXTERN_C void |
| 62 | EndSockets(void) |
| 63 | { |
| 64 | if (wsock_started) |
| 65 | WSACleanup(); |
| 66 | } |
| 67 | |
| 68 | /* Translate WSAExxx values to corresponding Exxx values where possible. Not all |
| 69 | * WSAExxx constants have corresponding Exxx constants in <errno.h> (even in |
| 70 | * VC++ 2010 and above, which have expanded <errno.h> with more values), but |
| 71 | * most missing constants are provided by win32/include/sys/errno2.h. The few |
| 72 | * that are not are returned unchanged. |
| 73 | * |
| 74 | * The list of possible WSAExxx values used here comes from the MSDN page |
| 75 | * titled "Windows Sockets Error Codes". |
| 76 | * |
| 77 | * (Note: Only the WSAExxx values are handled here; other WSAxxx values are |
| 78 | * returned unchanged. The return value normally ends up in errno/$! and at |
| 79 | * the Perl code level may be tested against the Exxx constants exported by |
| 80 | * the Errno and POSIX modules, which have never handled the other WSAxxx |
| 81 | * values themselves, apparently without any ill effect so far.) |
| 82 | */ |
| 83 | int |
| 84 | convert_wsa_error_to_errno(int wsaerr) |
| 85 | { |
| 86 | switch (wsaerr) { |
| 87 | case WSAEINTR: |
| 88 | return EINTR; |
| 89 | case WSAEBADF: |
| 90 | return EBADF; |
| 91 | case WSAEACCES: |
| 92 | return EACCES; |
| 93 | case WSAEFAULT: |
| 94 | return EFAULT; |
| 95 | case WSAEINVAL: |
| 96 | return EINVAL; |
| 97 | case WSAEMFILE: |
| 98 | return EMFILE; |
| 99 | case WSAEWOULDBLOCK: |
| 100 | return EWOULDBLOCK; |
| 101 | case WSAEINPROGRESS: |
| 102 | return EINPROGRESS; |
| 103 | case WSAEALREADY: |
| 104 | return EALREADY; |
| 105 | case WSAENOTSOCK: |
| 106 | return ENOTSOCK; |
| 107 | case WSAEDESTADDRREQ: |
| 108 | return EDESTADDRREQ; |
| 109 | case WSAEMSGSIZE: |
| 110 | return EMSGSIZE; |
| 111 | case WSAEPROTOTYPE: |
| 112 | return EPROTOTYPE; |
| 113 | case WSAENOPROTOOPT: |
| 114 | return ENOPROTOOPT; |
| 115 | case WSAEPROTONOSUPPORT: |
| 116 | return EPROTONOSUPPORT; |
| 117 | case WSAESOCKTNOSUPPORT: |
| 118 | return ESOCKTNOSUPPORT; |
| 119 | case WSAEOPNOTSUPP: |
| 120 | return EOPNOTSUPP; |
| 121 | case WSAEPFNOSUPPORT: |
| 122 | return EPFNOSUPPORT; |
| 123 | case WSAEAFNOSUPPORT: |
| 124 | return EAFNOSUPPORT; |
| 125 | case WSAEADDRINUSE: |
| 126 | return EADDRINUSE; |
| 127 | case WSAEADDRNOTAVAIL: |
| 128 | return EADDRNOTAVAIL; |
| 129 | case WSAENETDOWN: |
| 130 | return ENETDOWN; |
| 131 | case WSAENETUNREACH: |
| 132 | return ENETUNREACH; |
| 133 | case WSAENETRESET: |
| 134 | return ENETRESET; |
| 135 | case WSAECONNABORTED: |
| 136 | return ECONNABORTED; |
| 137 | case WSAECONNRESET: |
| 138 | return ECONNRESET; |
| 139 | case WSAENOBUFS: |
| 140 | return ENOBUFS; |
| 141 | case WSAEISCONN: |
| 142 | return EISCONN; |
| 143 | case WSAENOTCONN: |
| 144 | return ENOTCONN; |
| 145 | case WSAESHUTDOWN: |
| 146 | return ESHUTDOWN; |
| 147 | case WSAETOOMANYREFS: |
| 148 | return ETOOMANYREFS; |
| 149 | case WSAETIMEDOUT: |
| 150 | return ETIMEDOUT; |
| 151 | case WSAECONNREFUSED: |
| 152 | return ECONNREFUSED; |
| 153 | case WSAELOOP: |
| 154 | return ELOOP; |
| 155 | case WSAENAMETOOLONG: |
| 156 | return ENAMETOOLONG; |
| 157 | case WSAEHOSTDOWN: |
| 158 | return WSAEHOSTDOWN; /* EHOSTDOWN is not defined */ |
| 159 | case WSAEHOSTUNREACH: |
| 160 | return EHOSTUNREACH; |
| 161 | case WSAENOTEMPTY: |
| 162 | return ENOTEMPTY; |
| 163 | case WSAEPROCLIM: |
| 164 | return EPROCLIM; |
| 165 | case WSAEUSERS: |
| 166 | return EUSERS; |
| 167 | case WSAEDQUOT: |
| 168 | return EDQUOT; |
| 169 | case WSAESTALE: |
| 170 | return ESTALE; |
| 171 | case WSAEREMOTE: |
| 172 | return EREMOTE; |
| 173 | case WSAEDISCON: |
| 174 | return WSAEDISCON; /* EDISCON is not defined */ |
| 175 | case WSAENOMORE: |
| 176 | return WSAENOMORE; /* ENOMORE is not defined */ |
| 177 | #ifdef WSAECANCELLED |
| 178 | case WSAECANCELLED: /* New in WinSock2 */ |
| 179 | return ECANCELED; |
| 180 | #endif |
| 181 | case WSAEINVALIDPROCTABLE: |
| 182 | return WSAEINVALIDPROCTABLE; /* EINVALIDPROCTABLE is not defined */ |
| 183 | case WSAEINVALIDPROVIDER: |
| 184 | return WSAEINVALIDPROVIDER; /* EINVALIDPROVIDER is not defined */ |
| 185 | case WSAEPROVIDERFAILEDINIT: |
| 186 | return WSAEPROVIDERFAILEDINIT; /* EPROVIDERFAILEDINIT is not defined */ |
| 187 | case WSAEREFUSED: |
| 188 | return WSAEREFUSED; /* EREFUSED is not defined */ |
| 189 | } |
| 190 | |
| 191 | return wsaerr; |
| 192 | } |
| 193 | |
| 194 | #ifdef ERRNO_HAS_POSIX_SUPPLEMENT |
| 195 | /* Translate Exxx values in the POSIX supplement range defined in VC++ 2010 and |
| 196 | * above (EADDRINUSE <= err <= EWOULDBLOCK) to corresponding WSAExxx values. Not |
| 197 | * all such Exxx constants have corresponding WSAExxx constants in <winsock*.h>; |
| 198 | * we just use ERROR_INVALID_FUNCTION for those that are missing but do not |
| 199 | * really expect to encounter them anyway in the context in which this function |
| 200 | * is called. |
| 201 | * Some versions of MinGW/gcc-4.8 and above also define most, but not all, of |
| 202 | * these extra Exxx values. The missing ones are all cases for which there is no |
| 203 | * corresponding WSAExxx constant anyway, so we simply omit the cases for them |
| 204 | * here. |
| 205 | * Other Exxx values (err < sys_nerr) are returned unchanged. |
| 206 | */ |
| 207 | int |
| 208 | convert_errno_to_wsa_error(int err) |
| 209 | { |
| 210 | switch (err) { |
| 211 | case EADDRINUSE: |
| 212 | return WSAEADDRINUSE; |
| 213 | case EADDRNOTAVAIL: |
| 214 | return WSAEADDRNOTAVAIL; |
| 215 | case EAFNOSUPPORT: |
| 216 | return WSAEAFNOSUPPORT; |
| 217 | case EALREADY: |
| 218 | return WSAEALREADY; |
| 219 | #ifdef EBADMSG |
| 220 | case EBADMSG: /* Not defined in gcc-4.8.0 */ |
| 221 | return ERROR_INVALID_FUNCTION; |
| 222 | #endif |
| 223 | case ECANCELED: |
| 224 | #ifdef WSAECANCELLED |
| 225 | return WSAECANCELLED; /* New in WinSock2 */ |
| 226 | #else |
| 227 | return ERROR_INVALID_FUNCTION; |
| 228 | #endif |
| 229 | case ECONNABORTED: |
| 230 | return WSAECONNABORTED; |
| 231 | case ECONNREFUSED: |
| 232 | return WSAECONNREFUSED; |
| 233 | case ECONNRESET: |
| 234 | return WSAECONNRESET; |
| 235 | case EDESTADDRREQ: |
| 236 | return WSAEDESTADDRREQ; |
| 237 | case EHOSTUNREACH: |
| 238 | return WSAEHOSTUNREACH; |
| 239 | #ifdef EIDRM |
| 240 | case EIDRM: /* Not defined in gcc-4.8.0 */ |
| 241 | return ERROR_INVALID_FUNCTION; |
| 242 | #endif |
| 243 | case EINPROGRESS: |
| 244 | return WSAEINPROGRESS; |
| 245 | case EISCONN: |
| 246 | return WSAEISCONN; |
| 247 | case ELOOP: |
| 248 | return WSAELOOP; |
| 249 | case EMSGSIZE: |
| 250 | return WSAEMSGSIZE; |
| 251 | case ENETDOWN: |
| 252 | return WSAENETDOWN; |
| 253 | case ENETRESET: |
| 254 | return WSAENETRESET; |
| 255 | case ENETUNREACH: |
| 256 | return WSAENETUNREACH; |
| 257 | case ENOBUFS: |
| 258 | return WSAENOBUFS; |
| 259 | #ifdef ENODATA |
| 260 | case ENODATA: /* Not defined in gcc-4.8.0 */ |
| 261 | return ERROR_INVALID_FUNCTION; |
| 262 | #endif |
| 263 | #ifdef ENOLINK |
| 264 | case ENOLINK: /* Not defined in gcc-4.8.0 */ |
| 265 | return ERROR_INVALID_FUNCTION; |
| 266 | #endif |
| 267 | #ifdef ENOMSG |
| 268 | case ENOMSG: /* Not defined in gcc-4.8.0 */ |
| 269 | return ERROR_INVALID_FUNCTION; |
| 270 | #endif |
| 271 | case ENOPROTOOPT: |
| 272 | return WSAENOPROTOOPT; |
| 273 | #ifdef ENOSR |
| 274 | case ENOSR: /* Not defined in gcc-4.8.0 */ |
| 275 | return ERROR_INVALID_FUNCTION; |
| 276 | #endif |
| 277 | #ifdef ENOSTR |
| 278 | case ENOSTR: /* Not defined in gcc-4.8.0 */ |
| 279 | return ERROR_INVALID_FUNCTION; |
| 280 | #endif |
| 281 | case ENOTCONN: |
| 282 | return WSAENOTCONN; |
| 283 | #ifdef ENOTRECOVERABLE |
| 284 | case ENOTRECOVERABLE: /* Not defined in gcc-4.8.0 */ |
| 285 | return ERROR_INVALID_FUNCTION; |
| 286 | #endif |
| 287 | case ENOTSOCK: |
| 288 | return WSAENOTSOCK; |
| 289 | case ENOTSUP: |
| 290 | return ERROR_INVALID_FUNCTION; |
| 291 | case EOPNOTSUPP: |
| 292 | return WSAEOPNOTSUPP; |
| 293 | #ifdef EOTHER |
| 294 | case EOTHER: /* Not defined in gcc-4.8.0 */ |
| 295 | return ERROR_INVALID_FUNCTION; |
| 296 | #endif |
| 297 | case EOVERFLOW: |
| 298 | return ERROR_INVALID_FUNCTION; |
| 299 | case EOWNERDEAD: |
| 300 | return ERROR_INVALID_FUNCTION; |
| 301 | case EPROTO: |
| 302 | return ERROR_INVALID_FUNCTION; |
| 303 | case EPROTONOSUPPORT: |
| 304 | return WSAEPROTONOSUPPORT; |
| 305 | case EPROTOTYPE: |
| 306 | return WSAEPROTOTYPE; |
| 307 | #ifdef ETIME |
| 308 | case ETIME: /* Not defined in gcc-4.8.0 */ |
| 309 | return ERROR_INVALID_FUNCTION; |
| 310 | #endif |
| 311 | case ETIMEDOUT: |
| 312 | return WSAETIMEDOUT; |
| 313 | #ifdef ETXTBSY |
| 314 | case ETXTBSY: /* Not defined in gcc-4.8.0 */ |
| 315 | return ERROR_INVALID_FUNCTION; |
| 316 | #endif |
| 317 | case EWOULDBLOCK: |
| 318 | return WSAEWOULDBLOCK; |
| 319 | } |
| 320 | |
| 321 | return err; |
| 322 | } |
| 323 | #endif /* ERRNO_HAS_POSIX_SUPPLEMENT */ |
| 324 | |
| 325 | static int |
| 326 | get_last_socket_error(void) |
| 327 | { |
| 328 | return convert_wsa_error_to_errno(WSAGetLastError()); |
| 329 | } |
| 330 | |
| 331 | void |
| 332 | start_sockets(void) |
| 333 | { |
| 334 | unsigned short version; |
| 335 | WSADATA retdata; |
| 336 | int ret; |
| 337 | |
| 338 | /* |
| 339 | * initalize the winsock interface and insure that it is |
| 340 | * cleaned up at exit. |
| 341 | */ |
| 342 | version = 0x2; |
| 343 | if(ret = WSAStartup(version, &retdata)) |
| 344 | Perl_croak_nocontext("Unable to locate winsock library!\n"); |
| 345 | if(retdata.wVersion != version) |
| 346 | Perl_croak_nocontext("Could not find version 2.0 of winsock dll\n"); |
| 347 | |
| 348 | /* atexit((void (*)(void)) EndSockets); */ |
| 349 | wsock_started = 1; |
| 350 | } |
| 351 | |
| 352 | /* in no sockets Win32 builds, these use the inline functions defined in |
| 353 | * perl.h |
| 354 | */ |
| 355 | u_long |
| 356 | win32_htonl(u_long hostlong) |
| 357 | { |
| 358 | #ifndef WIN32_NO_SOCKETS |
| 359 | StartSockets(); |
| 360 | #endif |
| 361 | return htonl(hostlong); |
| 362 | } |
| 363 | |
| 364 | u_short |
| 365 | win32_htons(u_short hostshort) |
| 366 | { |
| 367 | #ifndef WIN32_NO_SOCKETS |
| 368 | StartSockets(); |
| 369 | #endif |
| 370 | return htons(hostshort); |
| 371 | } |
| 372 | |
| 373 | u_long |
| 374 | win32_ntohl(u_long netlong) |
| 375 | { |
| 376 | #ifndef WIN32_NO_SOCKETS |
| 377 | StartSockets(); |
| 378 | #endif |
| 379 | return ntohl(netlong); |
| 380 | } |
| 381 | |
| 382 | u_short |
| 383 | win32_ntohs(u_short netshort) |
| 384 | { |
| 385 | #ifndef WIN32_NO_SOCKETS |
| 386 | StartSockets(); |
| 387 | #endif |
| 388 | return ntohs(netshort); |
| 389 | } |
| 390 | |
| 391 | |
| 392 | |
| 393 | SOCKET |
| 394 | win32_accept(SOCKET s, struct sockaddr *addr, int *addrlen) |
| 395 | { |
| 396 | SOCKET r; |
| 397 | |
| 398 | SOCKET_TEST((r = accept(TO_SOCKET(s), addr, addrlen)), INVALID_SOCKET); |
| 399 | return OPEN_SOCKET(r); |
| 400 | } |
| 401 | |
| 402 | int |
| 403 | win32_bind(SOCKET s, const struct sockaddr *addr, int addrlen) |
| 404 | { |
| 405 | int r; |
| 406 | |
| 407 | SOCKET_TEST_ERROR(r = bind(TO_SOCKET(s), addr, addrlen)); |
| 408 | return r; |
| 409 | } |
| 410 | |
| 411 | int |
| 412 | win32_connect(SOCKET s, const struct sockaddr *addr, int addrlen) |
| 413 | { |
| 414 | int r; |
| 415 | |
| 416 | SOCKET_TEST_ERROR(r = connect(TO_SOCKET(s), addr, addrlen)); |
| 417 | return r; |
| 418 | } |
| 419 | |
| 420 | |
| 421 | int |
| 422 | win32_getpeername(SOCKET s, struct sockaddr *addr, int *addrlen) |
| 423 | { |
| 424 | int r; |
| 425 | |
| 426 | SOCKET_TEST_ERROR(r = getpeername(TO_SOCKET(s), addr, addrlen)); |
| 427 | return r; |
| 428 | } |
| 429 | |
| 430 | int |
| 431 | win32_getsockname(SOCKET s, struct sockaddr *addr, int *addrlen) |
| 432 | { |
| 433 | int r; |
| 434 | |
| 435 | SOCKET_TEST_ERROR(r = getsockname(TO_SOCKET(s), addr, addrlen)); |
| 436 | return r; |
| 437 | } |
| 438 | |
| 439 | int |
| 440 | win32_getsockopt(SOCKET s, int level, int optname, char *optval, int *optlen) |
| 441 | { |
| 442 | int r; |
| 443 | |
| 444 | SOCKET_TEST_ERROR(r = getsockopt(TO_SOCKET(s), level, optname, optval, optlen)); |
| 445 | return r; |
| 446 | } |
| 447 | |
| 448 | int |
| 449 | win32_ioctlsocket(SOCKET s, long cmd, u_long *argp) |
| 450 | { |
| 451 | int r; |
| 452 | |
| 453 | SOCKET_TEST_ERROR(r = ioctlsocket(TO_SOCKET(s), cmd, argp)); |
| 454 | return r; |
| 455 | } |
| 456 | |
| 457 | int |
| 458 | win32_listen(SOCKET s, int backlog) |
| 459 | { |
| 460 | int r; |
| 461 | |
| 462 | SOCKET_TEST_ERROR(r = listen(TO_SOCKET(s), backlog)); |
| 463 | return r; |
| 464 | } |
| 465 | |
| 466 | int |
| 467 | win32_recv(SOCKET s, char *buf, int len, int flags) |
| 468 | { |
| 469 | int r; |
| 470 | |
| 471 | SOCKET_TEST_ERROR(r = recv(TO_SOCKET(s), buf, len, flags)); |
| 472 | return r; |
| 473 | } |
| 474 | |
| 475 | int |
| 476 | win32_recvfrom(SOCKET s, char *buf, int len, int flags, struct sockaddr *from, int *fromlen) |
| 477 | { |
| 478 | int r; |
| 479 | int frombufsize = *fromlen; |
| 480 | |
| 481 | SOCKET_TEST_ERROR(r = recvfrom(TO_SOCKET(s), buf, len, flags, from, fromlen)); |
| 482 | /* Winsock's recvfrom() only returns a valid 'from' when the socket |
| 483 | * is connectionless. Perl expects a valid 'from' for all types |
| 484 | * of sockets, so go the extra mile. |
| 485 | */ |
| 486 | if (r != SOCKET_ERROR && frombufsize == *fromlen) |
| 487 | (void)win32_getpeername(s, from, fromlen); |
| 488 | return r; |
| 489 | } |
| 490 | |
| 491 | /* select contributed by Vincent R. Slyngstad (vrs@ibeam.intel.com) */ |
| 492 | int |
| 493 | win32_select(int nfds, Perl_fd_set* rd, Perl_fd_set* wr, Perl_fd_set* ex, const struct timeval* timeout) |
| 494 | { |
| 495 | int r; |
| 496 | int i, fd, save_errno = errno; |
| 497 | FD_SET nrd, nwr, nex; |
| 498 | bool just_sleep = TRUE; |
| 499 | |
| 500 | StartSockets(); |
| 501 | |
| 502 | FD_ZERO(&nrd); |
| 503 | FD_ZERO(&nwr); |
| 504 | FD_ZERO(&nex); |
| 505 | for (i = 0; i < nfds; i++) { |
| 506 | if (rd && PERL_FD_ISSET(i,rd)) { |
| 507 | fd = TO_SOCKET(i); |
| 508 | FD_SET((unsigned)fd, &nrd); |
| 509 | just_sleep = FALSE; |
| 510 | } |
| 511 | if (wr && PERL_FD_ISSET(i,wr)) { |
| 512 | fd = TO_SOCKET(i); |
| 513 | FD_SET((unsigned)fd, &nwr); |
| 514 | just_sleep = FALSE; |
| 515 | } |
| 516 | if (ex && PERL_FD_ISSET(i,ex)) { |
| 517 | fd = TO_SOCKET(i); |
| 518 | FD_SET((unsigned)fd, &nex); |
| 519 | just_sleep = FALSE; |
| 520 | } |
| 521 | } |
| 522 | |
| 523 | /* winsock seems incapable of dealing with all three fd_sets being empty, |
| 524 | * so do the (millisecond) sleep as a special case |
| 525 | */ |
| 526 | if (just_sleep) { |
| 527 | if (timeout) |
| 528 | Sleep(timeout->tv_sec * 1000 + |
| 529 | timeout->tv_usec / 1000); /* do the best we can */ |
| 530 | else |
| 531 | Sleep(UINT_MAX); |
| 532 | return 0; |
| 533 | } |
| 534 | |
| 535 | errno = save_errno; |
| 536 | SOCKET_TEST_ERROR(r = select(nfds, &nrd, &nwr, &nex, timeout)); |
| 537 | save_errno = errno; |
| 538 | |
| 539 | for (i = 0; i < nfds; i++) { |
| 540 | if (rd && PERL_FD_ISSET(i,rd)) { |
| 541 | fd = TO_SOCKET(i); |
| 542 | if (!FD_ISSET(fd, &nrd)) |
| 543 | PERL_FD_CLR(i,rd); |
| 544 | } |
| 545 | if (wr && PERL_FD_ISSET(i,wr)) { |
| 546 | fd = TO_SOCKET(i); |
| 547 | if (!FD_ISSET(fd, &nwr)) |
| 548 | PERL_FD_CLR(i,wr); |
| 549 | } |
| 550 | if (ex && PERL_FD_ISSET(i,ex)) { |
| 551 | fd = TO_SOCKET(i); |
| 552 | if (!FD_ISSET(fd, &nex)) |
| 553 | PERL_FD_CLR(i,ex); |
| 554 | } |
| 555 | } |
| 556 | errno = save_errno; |
| 557 | return r; |
| 558 | } |
| 559 | |
| 560 | int |
| 561 | win32_send(SOCKET s, const char *buf, int len, int flags) |
| 562 | { |
| 563 | int r; |
| 564 | |
| 565 | SOCKET_TEST_ERROR(r = send(TO_SOCKET(s), buf, len, flags)); |
| 566 | return r; |
| 567 | } |
| 568 | |
| 569 | int |
| 570 | win32_sendto(SOCKET s, const char *buf, int len, int flags, |
| 571 | const struct sockaddr *to, int tolen) |
| 572 | { |
| 573 | int r; |
| 574 | |
| 575 | SOCKET_TEST_ERROR(r = sendto(TO_SOCKET(s), buf, len, flags, to, tolen)); |
| 576 | return r; |
| 577 | } |
| 578 | |
| 579 | int |
| 580 | win32_setsockopt(SOCKET s, int level, int optname, const char *optval, int optlen) |
| 581 | { |
| 582 | int r; |
| 583 | |
| 584 | SOCKET_TEST_ERROR(r = setsockopt(TO_SOCKET(s), level, optname, optval, optlen)); |
| 585 | return r; |
| 586 | } |
| 587 | |
| 588 | int |
| 589 | win32_shutdown(SOCKET s, int how) |
| 590 | { |
| 591 | int r; |
| 592 | |
| 593 | SOCKET_TEST_ERROR(r = shutdown(TO_SOCKET(s), how)); |
| 594 | return r; |
| 595 | } |
| 596 | |
| 597 | int |
| 598 | win32_closesocket(SOCKET s) |
| 599 | { |
| 600 | int r; |
| 601 | |
| 602 | SOCKET_TEST_ERROR(r = closesocket(TO_SOCKET(s))); |
| 603 | return r; |
| 604 | } |
| 605 | |
| 606 | void |
| 607 | convert_proto_info_w2a(WSAPROTOCOL_INFOW *in, WSAPROTOCOL_INFOA *out) |
| 608 | { |
| 609 | Copy(in, out, 1, WSAPROTOCOL_INFOA); |
| 610 | wcstombs(out->szProtocol, in->szProtocol, sizeof(out->szProtocol)); |
| 611 | } |
| 612 | |
| 613 | SOCKET |
| 614 | open_ifs_socket(int af, int type, int protocol) |
| 615 | { |
| 616 | dTHX; |
| 617 | char *s; |
| 618 | unsigned long proto_buffers_len = 0; |
| 619 | int error_code; |
| 620 | SOCKET out = INVALID_SOCKET; |
| 621 | |
| 622 | if ((s = PerlEnv_getenv("PERL_ALLOW_NON_IFS_LSP")) && atoi(s)) |
| 623 | return WSASocket(af, type, protocol, NULL, 0, 0); |
| 624 | |
| 625 | if (WSCEnumProtocols(NULL, NULL, &proto_buffers_len, &error_code) == SOCKET_ERROR |
| 626 | && error_code == WSAENOBUFS) |
| 627 | { |
| 628 | WSAPROTOCOL_INFOW *proto_buffers; |
| 629 | int protocols_available = 0; |
| 630 | |
| 631 | Newx(proto_buffers, proto_buffers_len / sizeof(WSAPROTOCOL_INFOW), |
| 632 | WSAPROTOCOL_INFOW); |
| 633 | |
| 634 | if ((protocols_available = WSCEnumProtocols(NULL, proto_buffers, |
| 635 | &proto_buffers_len, &error_code)) != SOCKET_ERROR) |
| 636 | { |
| 637 | int i; |
| 638 | for (i = 0; i < protocols_available; i++) |
| 639 | { |
| 640 | WSAPROTOCOL_INFOA proto_info; |
| 641 | |
| 642 | if ((af != AF_UNSPEC && af != proto_buffers[i].iAddressFamily) |
| 643 | || (type != proto_buffers[i].iSocketType) |
| 644 | || (protocol != 0 && proto_buffers[i].iProtocol != 0 && |
| 645 | protocol != proto_buffers[i].iProtocol)) |
| 646 | continue; |
| 647 | |
| 648 | if ((proto_buffers[i].dwServiceFlags1 & XP1_IFS_HANDLES) == 0) |
| 649 | continue; |
| 650 | |
| 651 | convert_proto_info_w2a(&(proto_buffers[i]), &proto_info); |
| 652 | |
| 653 | out = WSASocket(af, type, protocol, &proto_info, 0, 0); |
| 654 | break; |
| 655 | } |
| 656 | } |
| 657 | |
| 658 | Safefree(proto_buffers); |
| 659 | } |
| 660 | |
| 661 | return out; |
| 662 | } |
| 663 | |
| 664 | SOCKET |
| 665 | win32_socket(int af, int type, int protocol) |
| 666 | { |
| 667 | SOCKET s; |
| 668 | |
| 669 | StartSockets(); |
| 670 | |
| 671 | if((s = open_ifs_socket(af, type, protocol)) == INVALID_SOCKET) |
| 672 | errno = get_last_socket_error(); |
| 673 | else |
| 674 | s = OPEN_SOCKET(s); |
| 675 | |
| 676 | return s; |
| 677 | } |
| 678 | |
| 679 | /* |
| 680 | * close RTL fd while respecting sockets |
| 681 | * added as temporary measure until PerlIO has real |
| 682 | * Win32 native layer |
| 683 | * -- BKS, 11-11-2000 |
| 684 | */ |
| 685 | |
| 686 | int my_close(int fd) |
| 687 | { |
| 688 | int osf; |
| 689 | if (!wsock_started) /* No WinSock? */ |
| 690 | return(close(fd)); /* Then not a socket. */ |
| 691 | osf = TO_SOCKET(fd);/* Get it now before it's gone! */ |
| 692 | if (osf != -1) { |
| 693 | int err; |
| 694 | err = closesocket(osf); |
| 695 | if (err == 0) { |
| 696 | assert(_osfhnd(fd) == osf); /* catch a bad ioinfo struct def */ |
| 697 | /* don't close freed handle */ |
| 698 | _set_osfhnd(fd, INVALID_HANDLE_VALUE); |
| 699 | return close(fd); |
| 700 | } |
| 701 | else if (err == SOCKET_ERROR) { |
| 702 | err = get_last_socket_error(); |
| 703 | if (err != ENOTSOCK) { |
| 704 | (void)close(fd); |
| 705 | errno = err; |
| 706 | return EOF; |
| 707 | } |
| 708 | } |
| 709 | } |
| 710 | return close(fd); |
| 711 | } |
| 712 | |
| 713 | #undef fclose |
| 714 | int |
| 715 | my_fclose (FILE *pf) |
| 716 | { |
| 717 | int osf; |
| 718 | if (!wsock_started) /* No WinSock? */ |
| 719 | return(fclose(pf)); /* Then not a socket. */ |
| 720 | osf = TO_SOCKET(win32_fileno(pf));/* Get it now before it's gone! */ |
| 721 | if (osf != -1) { |
| 722 | int err; |
| 723 | win32_fflush(pf); |
| 724 | err = closesocket(osf); |
| 725 | if (err == 0) { |
| 726 | assert(_osfhnd(win32_fileno(pf)) == osf); /* catch a bad ioinfo struct def */ |
| 727 | /* don't close freed handle */ |
| 728 | _set_osfhnd(win32_fileno(pf), INVALID_HANDLE_VALUE); |
| 729 | return fclose(pf); |
| 730 | } |
| 731 | else if (err == SOCKET_ERROR) { |
| 732 | err = get_last_socket_error(); |
| 733 | if (err != ENOTSOCK) { |
| 734 | (void)fclose(pf); |
| 735 | errno = err; |
| 736 | return EOF; |
| 737 | } |
| 738 | } |
| 739 | } |
| 740 | return fclose(pf); |
| 741 | } |
| 742 | |
| 743 | struct hostent * |
| 744 | win32_gethostbyaddr(const char *addr, int len, int type) |
| 745 | { |
| 746 | struct hostent *r; |
| 747 | |
| 748 | SOCKET_TEST(r = gethostbyaddr(addr, len, type), NULL); |
| 749 | return r; |
| 750 | } |
| 751 | |
| 752 | struct hostent * |
| 753 | win32_gethostbyname(const char *name) |
| 754 | { |
| 755 | struct hostent *r; |
| 756 | |
| 757 | SOCKET_TEST(r = gethostbyname(name), NULL); |
| 758 | return r; |
| 759 | } |
| 760 | |
| 761 | int |
| 762 | win32_gethostname(char *name, int len) |
| 763 | { |
| 764 | int r; |
| 765 | |
| 766 | SOCKET_TEST_ERROR(r = gethostname(name, len)); |
| 767 | return r; |
| 768 | } |
| 769 | |
| 770 | struct protoent * |
| 771 | win32_getprotobyname(const char *name) |
| 772 | { |
| 773 | struct protoent *r; |
| 774 | |
| 775 | SOCKET_TEST(r = getprotobyname(name), NULL); |
| 776 | return r; |
| 777 | } |
| 778 | |
| 779 | struct protoent * |
| 780 | win32_getprotobynumber(int num) |
| 781 | { |
| 782 | struct protoent *r; |
| 783 | |
| 784 | SOCKET_TEST(r = getprotobynumber(num), NULL); |
| 785 | return r; |
| 786 | } |
| 787 | |
| 788 | struct servent * |
| 789 | win32_getservbyname(const char *name, const char *proto) |
| 790 | { |
| 791 | dTHXa(NULL); |
| 792 | struct servent *r; |
| 793 | |
| 794 | SOCKET_TEST(r = getservbyname(name, proto), NULL); |
| 795 | if (r) { |
| 796 | aTHXa(PERL_GET_THX); |
| 797 | r = win32_savecopyservent(&w32_servent, r, proto); |
| 798 | } |
| 799 | return r; |
| 800 | } |
| 801 | |
| 802 | struct servent * |
| 803 | win32_getservbyport(int port, const char *proto) |
| 804 | { |
| 805 | dTHXa(NULL); |
| 806 | struct servent *r; |
| 807 | |
| 808 | SOCKET_TEST(r = getservbyport(port, proto), NULL); |
| 809 | if (r) { |
| 810 | aTHXa(PERL_GET_THX); |
| 811 | r = win32_savecopyservent(&w32_servent, r, proto); |
| 812 | } |
| 813 | return r; |
| 814 | } |
| 815 | |
| 816 | int |
| 817 | win32_ioctl(int i, unsigned int u, char *data) |
| 818 | { |
| 819 | u_long u_long_arg; |
| 820 | int retval; |
| 821 | |
| 822 | if (!wsock_started) { |
| 823 | Perl_croak_nocontext("ioctl implemented only on sockets"); |
| 824 | /* NOTREACHED */ |
| 825 | } |
| 826 | |
| 827 | /* mauke says using memcpy avoids alignment issues */ |
| 828 | memcpy(&u_long_arg, data, sizeof u_long_arg); |
| 829 | retval = ioctlsocket(TO_SOCKET(i), (long)u, &u_long_arg); |
| 830 | memcpy(data, &u_long_arg, sizeof u_long_arg); |
| 831 | |
| 832 | if (retval == SOCKET_ERROR) { |
| 833 | int err = get_last_socket_error(); |
| 834 | if (err == ENOTSOCK) { |
| 835 | Perl_croak_nocontext("ioctl implemented only on sockets"); |
| 836 | /* NOTREACHED */ |
| 837 | } |
| 838 | errno = err; |
| 839 | } |
| 840 | return retval; |
| 841 | } |
| 842 | |
| 843 | char FAR * |
| 844 | win32_inet_ntoa(struct in_addr in) |
| 845 | { |
| 846 | StartSockets(); |
| 847 | return inet_ntoa(in); |
| 848 | } |
| 849 | |
| 850 | unsigned long |
| 851 | win32_inet_addr(const char FAR *cp) |
| 852 | { |
| 853 | StartSockets(); |
| 854 | return inet_addr(cp); |
| 855 | } |
| 856 | |
| 857 | /* |
| 858 | * Networking stubs |
| 859 | */ |
| 860 | |
| 861 | void |
| 862 | win32_endhostent() |
| 863 | { |
| 864 | win32_croak_not_implemented("endhostent"); |
| 865 | } |
| 866 | |
| 867 | void |
| 868 | win32_endnetent() |
| 869 | { |
| 870 | win32_croak_not_implemented("endnetent"); |
| 871 | } |
| 872 | |
| 873 | void |
| 874 | win32_endprotoent() |
| 875 | { |
| 876 | win32_croak_not_implemented("endprotoent"); |
| 877 | } |
| 878 | |
| 879 | void |
| 880 | win32_endservent() |
| 881 | { |
| 882 | win32_croak_not_implemented("endservent"); |
| 883 | } |
| 884 | |
| 885 | |
| 886 | struct netent * |
| 887 | win32_getnetent(void) |
| 888 | { |
| 889 | win32_croak_not_implemented("getnetent"); |
| 890 | return (struct netent *) NULL; |
| 891 | } |
| 892 | |
| 893 | struct netent * |
| 894 | win32_getnetbyname(char *name) |
| 895 | { |
| 896 | win32_croak_not_implemented("getnetbyname"); |
| 897 | return (struct netent *)NULL; |
| 898 | } |
| 899 | |
| 900 | struct netent * |
| 901 | win32_getnetbyaddr(long net, int type) |
| 902 | { |
| 903 | win32_croak_not_implemented("getnetbyaddr"); |
| 904 | return (struct netent *)NULL; |
| 905 | } |
| 906 | |
| 907 | struct protoent * |
| 908 | win32_getprotoent(void) |
| 909 | { |
| 910 | win32_croak_not_implemented("getprotoent"); |
| 911 | return (struct protoent *) NULL; |
| 912 | } |
| 913 | |
| 914 | struct servent * |
| 915 | win32_getservent(void) |
| 916 | { |
| 917 | win32_croak_not_implemented("getservent"); |
| 918 | return (struct servent *) NULL; |
| 919 | } |
| 920 | |
| 921 | void |
| 922 | win32_sethostent(int stayopen) |
| 923 | { |
| 924 | win32_croak_not_implemented("sethostent"); |
| 925 | } |
| 926 | |
| 927 | |
| 928 | void |
| 929 | win32_setnetent(int stayopen) |
| 930 | { |
| 931 | win32_croak_not_implemented("setnetent"); |
| 932 | } |
| 933 | |
| 934 | |
| 935 | void |
| 936 | win32_setprotoent(int stayopen) |
| 937 | { |
| 938 | win32_croak_not_implemented("setprotoent"); |
| 939 | } |
| 940 | |
| 941 | |
| 942 | void |
| 943 | win32_setservent(int stayopen) |
| 944 | { |
| 945 | win32_croak_not_implemented("setservent"); |
| 946 | } |
| 947 | |
| 948 | static struct servent* |
| 949 | win32_savecopyservent(struct servent*d, struct servent*s, const char *proto) |
| 950 | { |
| 951 | d->s_name = s->s_name; |
| 952 | d->s_aliases = s->s_aliases; |
| 953 | d->s_port = s->s_port; |
| 954 | if (s->s_proto && strlen(s->s_proto)) |
| 955 | d->s_proto = s->s_proto; |
| 956 | else |
| 957 | if (proto && strlen(proto)) |
| 958 | d->s_proto = (char *)proto; |
| 959 | else |
| 960 | d->s_proto = "tcp"; |
| 961 | |
| 962 | return d; |
| 963 | } |
| 964 | |
| 965 | |