1 #define PERL_NO_GET_CONTEXT 2 #include "EXTERN.h" 3 #include "perl.h" 4 #include "XSUB.h" 5 6 #include <stddef.h> 7 8 #ifdef I_SYS_TYPES 9 # include <sys/types.h> 10 #endif 11 #if !defined(ultrix) /* Avoid double definition. */ 12 # include <sys/socket.h> 13 #endif 14 #if defined(USE_SOCKS) && defined(I_SOCKS) 15 # include <socks.h> 16 #endif 17 #ifdef MPE 18 # define PF_INET AF_INET 19 # define PF_UNIX AF_UNIX 20 # define SOCK_RAW 3 21 #endif 22 #ifdef I_SYS_UN 23 # include <sys/un.h> 24 #endif 25 /* XXX Configure test for <netinet/in_systm.h needed XXX */ 26 #if defined(NeXT) || defined(__NeXT__) 27 # include <netinet/in_systm.h> 28 #endif 29 #if defined(__sgi) && !defined(AF_LINK) && defined(PF_LINK) && PF_LINK == AF_LNK 30 # undef PF_LINK 31 #endif 32 #if defined(I_NETINET_IN) || defined(__ultrix__) 33 # include <netinet/in.h> 34 #endif 35 #if defined(I_NETINET_IP) 36 # include <netinet/ip.h> 37 #endif 38 #ifdef I_NETDB 39 # if !defined(ultrix) /* Avoid double definition. */ 40 # include <netdb.h> 41 # endif 42 #endif 43 #ifdef I_ARPA_INET 44 # include <arpa/inet.h> 45 #endif 46 #ifdef I_NETINET_TCP 47 # include <netinet/tcp.h> 48 #endif 49 50 #if defined(WIN32) && !defined(UNDER_CE) 51 # include <ws2tcpip.h> 52 #endif 53 54 #ifdef WIN32 55 56 /* VC 6 with its original headers doesn't know about sockaddr_storage, VC 2003 does*/ 57 #ifndef _SS_MAXSIZE 58 59 # define _SS_MAXSIZE 128 60 # define _SS_ALIGNSIZE (sizeof(__int64)) 61 62 # define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof (short)) 63 # define _SS_PAD2SIZE (_SS_MAXSIZE - (sizeof (short) + _SS_PAD1SIZE \ 64 + _SS_ALIGNSIZE)) 65 66 struct sockaddr_storage { 67 short ss_family; 68 char __ss_pad1[_SS_PAD1SIZE]; 69 __int64 __ss_align; 70 char __ss_pad2[_SS_PAD2SIZE]; 71 }; 72 73 typedef int socklen_t; 74 75 #define in6_addr in_addr6 76 77 #define INET_ADDRSTRLEN 22 78 #define INET6_ADDRSTRLEN 65 79 80 #endif 81 82 static int inet_pton(int af, const char *src, void *dst) 83 { 84 struct sockaddr_storage ss; 85 int size = sizeof(ss); 86 ss.ss_family = af; /* per MSDN */ 87 88 if (WSAStringToAddress((char*)src, af, NULL, (struct sockaddr *)&ss, &size) != 0) 89 return 0; 90 91 switch(af) { 92 case AF_INET: 93 *(struct in_addr *)dst = ((struct sockaddr_in *)&ss)->sin_addr; 94 return 1; 95 case AF_INET6: 96 *(struct in6_addr *)dst = ((struct sockaddr_in6 *)&ss)->sin6_addr; 97 return 1; 98 default: 99 WSASetLastError(WSAEAFNOSUPPORT); 100 return -1; 101 } 102 } 103 104 static const char *inet_ntop(int af, const void *src, char *dst, socklen_t size) 105 { 106 struct sockaddr_storage ss; 107 unsigned long s = size; 108 109 ZeroMemory(&ss, sizeof(ss)); 110 ss.ss_family = af; 111 112 switch(af) { 113 case AF_INET: 114 ((struct sockaddr_in *)&ss)->sin_addr = *(struct in_addr *)src; 115 break; 116 case AF_INET6: 117 ((struct sockaddr_in6 *)&ss)->sin6_addr = *(struct in6_addr *)src; 118 break; 119 default: 120 return NULL; 121 } 122 123 /* cannot directly use &size because of strict aliasing rules */ 124 if (WSAAddressToString((struct sockaddr *)&ss, sizeof(ss), NULL, dst, &s) != 0) 125 return NULL; 126 else 127 return dst; 128 } 129 130 #define HAS_INETPTON 131 #define HAS_INETNTOP 132 #endif 133 134 #ifdef NETWARE 135 NETDB_DEFINE_CONTEXT 136 NETINET_DEFINE_CONTEXT 137 #endif 138 139 #ifdef I_SYSUIO 140 # include <sys/uio.h> 141 #endif 142 143 #ifndef AF_NBS 144 # undef PF_NBS 145 #endif 146 147 #ifndef AF_X25 148 # undef PF_X25 149 #endif 150 151 #ifndef INADDR_NONE 152 # define INADDR_NONE 0xffffffff 153 #endif /* INADDR_NONE */ 154 #ifndef INADDR_BROADCAST 155 # define INADDR_BROADCAST 0xffffffff 156 #endif /* INADDR_BROADCAST */ 157 #ifndef INADDR_LOOPBACK 158 # define INADDR_LOOPBACK 0x7F000001 159 #endif /* INADDR_LOOPBACK */ 160 161 #ifndef INET_ADDRSTRLEN 162 #define INET_ADDRSTRLEN 16 163 #endif 164 165 #ifndef C_ARRAY_LENGTH 166 #define C_ARRAY_LENGTH(arr) (sizeof(arr) / sizeof(*(arr))) 167 #endif /* !C_ARRAY_LENGTH */ 168 169 #ifndef PERL_UNUSED_VAR 170 # define PERL_UNUSED_VAR(x) ((void)x) 171 #endif /* !PERL_UNUSED_VAR */ 172 173 #ifndef PERL_UNUSED_ARG 174 # define PERL_UNUSED_ARG(x) PERL_UNUSED_VAR(x) 175 #endif /* !PERL_UNUSED_ARG */ 176 177 #ifndef Newx 178 # define Newx(v,n,t) New(0,v,n,t) 179 #endif /* !Newx */ 180 181 #ifndef SvPVx_nolen 182 #if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) 183 # define SvPVx_nolen(sv) ({SV *_sv = (sv); SvPV_nolen(_sv); }) 184 #else /* __GNUC__ */ 185 # define SvPVx_nolen(sv) ((PL_Sv = (sv)), SvPV_nolen(PL_Sv)) 186 #endif /* __GNU__ */ 187 #endif /* !SvPVx_nolen */ 188 189 #ifndef croak_sv 190 # define croak_sv(sv) croak("%s", SvPVx_nolen(sv)) 191 #endif 192 193 #ifndef hv_stores 194 # define hv_stores(hv, keystr, val) \ 195 hv_store(hv, ""keystr"", sizeof(keystr)-1, val, 0) 196 #endif /* !hv_stores */ 197 198 #ifndef newSVpvn_flags 199 # define newSVpvn_flags(s,len,flags) my_newSVpvn_flags(aTHX_ s,len,flags) 200 static SV *my_newSVpvn_flags(pTHX_ const char *s, STRLEN len, U32 flags) 201 { 202 SV *sv = newSVpvn(s, len); 203 SvFLAGS(sv) |= (flags & SVf_UTF8); 204 return (flags & SVs_TEMP) ? sv_2mortal(sv) : sv; 205 } 206 #endif /* !newSVpvn_flags */ 207 208 #ifndef SvRV_set 209 # define SvRV_set(sv, val) (SvRV(sv) = (val)) 210 #endif /* !SvRV_set */ 211 212 #ifndef SvPV_nomg 213 # define SvPV_nomg SvPV 214 #endif /* !SvPV_nomg */ 215 216 #ifndef HEK_FLAGS 217 # define HEK_FLAGS(hek) 0 218 # define HVhek_UTF8 1 219 #endif /* !HEK_FLAGS */ 220 221 #ifndef hv_common 222 /* These magic numbers are arbitrarily chosen (copied from perl core in fact) 223 * and only have to match between this definition and the code that uses them 224 */ 225 # define HV_FETCH_ISSTORE 0x04 226 # define HV_FETCH_LVALUE 0x10 227 # define hv_common(hv, keysv, key, klen, flags, act, val, hash) \ 228 my_hv_common(aTHX_ hv, keysv, key, klen, flags, act, val, hash) 229 static void *my_hv_common(pTHX_ HV *hv, SV *keysv, const char *key, STRLEN klen, 230 int flags, int act, SV *val, U32 hash) 231 { 232 /* 233 * This only handles the usage actually made by the code 234 * generated by ExtUtils::Constant. EU:C really ought to arrange 235 * portability of its generated code itself. 236 */ 237 if (!keysv) { 238 keysv = sv_2mortal(newSVpvn(key, klen)); 239 if (flags & HVhek_UTF8) 240 SvUTF8_on(keysv); 241 } 242 if (act == HV_FETCH_LVALUE) { 243 return (void*)hv_fetch_ent(hv, keysv, 1, hash); 244 } else if (act == HV_FETCH_ISSTORE) { 245 return (void*)hv_store_ent(hv, keysv, val, hash); 246 } else { 247 croak("panic: my_hv_common: act=0x%x", act); 248 } 249 } 250 #endif /* !hv_common */ 251 252 #ifndef hv_common_key_len 253 # define hv_common_key_len(hv, key, kl, act, val, hash) \ 254 my_hv_common_key_len(aTHX_ hv, key, kl, act, val, hash) 255 static void *my_hv_common_key_len(pTHX_ HV *hv, const char *key, I32 kl, 256 int act, SV *val, U32 hash) 257 { 258 STRLEN klen; 259 int flags; 260 if (kl < 0) { 261 klen = -kl; 262 flags = HVhek_UTF8; 263 } else { 264 klen = kl; 265 flags = 0; 266 } 267 return hv_common(hv, NULL, key, klen, flags, act, val, hash); 268 } 269 #endif /* !hv_common_key_len */ 270 271 #ifndef mPUSHi 272 # define mPUSHi(i) sv_setiv_mg(PUSHs(sv_newmortal()), (IV)(i)) 273 #endif /* !mPUSHi */ 274 #ifndef mPUSHp 275 # define mPUSHp(p,l) sv_setpvn_mg(PUSHs(sv_newmortal()), (p), (l)) 276 #endif /* !mPUSHp */ 277 #ifndef mPUSHs 278 # define mPUSHs(s) PUSHs(sv_2mortal(s)) 279 #endif /* !mPUSHs */ 280 281 #ifndef CvCONST_on 282 # undef newCONSTSUB 283 # define newCONSTSUB(stash, name, val) my_newCONSTSUB(aTHX_ stash, name, val) 284 static CV *my_newCONSTSUB(pTHX_ HV *stash, char *name, SV *val) 285 { 286 /* 287 * This has to satisfy code generated by ExtUtils::Constant. 288 * It depends on the 5.8+ layout of constant subs. It has 289 * two calls to newCONSTSUB(): one for real constants, and one 290 * for undefined constants. In the latter case, it turns the 291 * initially-generated constant subs into something else, and 292 * it needs the return value from newCONSTSUB() which Perl 5.6 293 * doesn't provide. 294 */ 295 GV *gv; 296 CV *cv; 297 Perl_newCONSTSUB(aTHX_ stash, name, val); 298 ENTER; 299 SAVESPTR(PL_curstash); 300 PL_curstash = stash; 301 gv = gv_fetchpv(name, 0, SVt_PVCV); 302 cv = GvCV(gv); 303 LEAVE; 304 CvXSUBANY(cv).any_ptr = &PL_sv_undef; 305 return cv; 306 } 307 # define CvCONST_off(cv) my_CvCONST_off(aTHX_ cv) 308 static void my_CvCONST_off(pTHX_ CV *cv) 309 { 310 op_free(CvROOT(cv)); 311 CvROOT(cv) = NULL; 312 CvSTART(cv) = NULL; 313 } 314 #endif /* !CvCONST_on */ 315 316 #ifndef HAS_INET_ATON 317 318 /* 319 * Check whether "cp" is a valid ascii representation 320 * of an Internet address and convert to a binary address. 321 * Returns 1 if the address is valid, 0 if not. 322 * This replaces inet_addr, the return value from which 323 * cannot distinguish between failure and a local broadcast address. 324 */ 325 static int 326 my_inet_aton(register const char *cp, struct in_addr *addr) 327 { 328 dTHX; 329 register U32 val; 330 register int base; 331 register char c; 332 int nparts; 333 const char *s; 334 unsigned int parts[4]; 335 register unsigned int *pp = parts; 336 337 if (!cp || !*cp) 338 return 0; 339 for (;;) { 340 /* 341 * Collect number up to ".". 342 * Values are specified as for C: 343 * 0x=hex, 0=octal, other=decimal. 344 */ 345 val = 0; base = 10; 346 if (*cp == '0') { 347 if (*++cp == 'x' || *cp == 'X') 348 base = 16, cp++; 349 else 350 base = 8; 351 } 352 while ((c = *cp) != '\0') { 353 if (isDIGIT(c)) { 354 val = (val * base) + (c - '0'); 355 cp++; 356 continue; 357 } 358 if (base == 16 && (s=strchr(PL_hexdigit,c))) { 359 val = (val << 4) + 360 ((s - PL_hexdigit) & 15); 361 cp++; 362 continue; 363 } 364 break; 365 } 366 if (*cp == '.') { 367 /* 368 * Internet format: 369 * a.b.c.d 370 * a.b.c (with c treated as 16-bits) 371 * a.b (with b treated as 24 bits) 372 */ 373 if (pp >= parts + 3 || val > 0xff) 374 return 0; 375 *pp++ = val, cp++; 376 } else 377 break; 378 } 379 /* 380 * Check for trailing characters. 381 */ 382 if (*cp && !isSPACE(*cp)) 383 return 0; 384 /* 385 * Concoct the address according to 386 * the number of parts specified. 387 */ 388 nparts = pp - parts + 1; /* force to an int for switch() */ 389 switch (nparts) { 390 391 case 1: /* a -- 32 bits */ 392 break; 393 394 case 2: /* a.b -- 8.24 bits */ 395 if (val > 0xffffff) 396 return 0; 397 val |= parts[0] << 24; 398 break; 399 400 case 3: /* a.b.c -- 8.8.16 bits */ 401 if (val > 0xffff) 402 return 0; 403 val |= (parts[0] << 24) | (parts[1] << 16); 404 break; 405 406 case 4: /* a.b.c.d -- 8.8.8.8 bits */ 407 if (val > 0xff) 408 return 0; 409 val |= (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8); 410 break; 411 } 412 addr->s_addr = htonl(val); 413 return 1; 414 } 415 416 #undef inet_aton 417 #define inet_aton my_inet_aton 418 419 #endif /* ! HAS_INET_ATON */ 420 421 /* These are not gni() constants; they're extensions for the perl API */ 422 /* The definitions in Socket.pm and Socket.xs must match */ 423 #define NIx_NOHOST (1 << 0) 424 #define NIx_NOSERV (1 << 1) 425 426 /* On Windows, ole2.h defines a macro called "interface". We don't need that, 427 * and it will complicate the variables in pack_ip_mreq() etc. (RT87389) 428 */ 429 #undef interface 430 431 /* STRUCT_OFFSET should have come from from perl.h, but if not, 432 * roll our own (not using offsetof() since that is C99). */ 433 #ifndef STRUCT_OFFSET 434 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m)) 435 #endif 436 437 static int 438 not_here(const char *s) 439 { 440 croak("Socket::%s not implemented on this architecture", s); 441 return -1; 442 } 443 444 #define PERL_IN_ADDR_S_ADDR_SIZE 4 445 446 /* 447 * Bad assumptions possible here. 448 * 449 * Bad Assumption 1: struct in_addr has no other fields 450 * than the s_addr (which is the field we care about 451 * in here, really). However, we can be fed either 4-byte 452 * addresses (from pack("N", ...), or va.b.c.d, or ...), 453 * or full struct in_addrs (from e.g. pack_sockaddr_in()), 454 * which may or may not be 4 bytes in size. 455 * 456 * Bad Assumption 2: the s_addr field is a simple type 457 * (such as an int, u_int32_t). It can be a bit field, 458 * in which case using & (address-of) on it or taking sizeof() 459 * wouldn't go over too well. (Those are not attempted 460 * now but in case someone thinks to change the below code 461 * to use addr.s_addr instead of addr, you have been warned.) 462 * 463 * Bad Assumption 3: the s_addr is the first field in 464 * an in_addr, or that its bytes are the first bytes in 465 * an in_addr. 466 * 467 * These bad assumptions are wrong in UNICOS which has 468 * struct in_addr { struct { u_long st_addr:32; } s_da }; 469 * #define s_addr s_da.st_addr 470 * and u_long is 64 bits. 471 * 472 * --jhi */ 473 474 #include "const-c.inc" 475 476 #if defined(HAS_GETADDRINFO) && !defined(HAS_GAI_STRERROR) 477 static const char *gai_strerror(int err) 478 { 479 switch (err) 480 { 481 #ifdef EAI_ADDRFAMILY 482 case EAI_ADDRFAMILY: 483 return "Address family for hostname is not supported."; 484 #endif 485 #ifdef EAI_AGAIN 486 case EAI_AGAIN: 487 return "The name could not be resolved at this time."; 488 #endif 489 #ifdef EAI_BADFLAGS 490 case EAI_BADFLAGS: 491 return "The flags parameter has an invalid value."; 492 #endif 493 #ifdef EAI_FAIL 494 case EAI_FAIL: 495 return "A non-recoverable error occurred while resolving the name."; 496 #endif 497 #ifdef EAI_FAMILY 498 case EAI_FAMILY: 499 return "The address family was not recognized or length is invalid."; 500 #endif 501 #ifdef EAI_MEMORY 502 case EAI_MEMORY: 503 return "A memory allocation failure occurred."; 504 #endif 505 #ifdef EAI_NODATA 506 case EAI_NODATA: 507 return "No address is associated with the hostname."; 508 #endif 509 #ifdef EAI_NONAME 510 case EAI_NONAME: 511 return "The name does not resolve for the supplied parameters."; 512 #endif 513 #ifdef EAI_OVERFLOW 514 case EAI_OVERFLOW: 515 return "An argument buffer overflowed."; 516 #endif 517 #ifdef EAI_SERVICE 518 case EAI_SERVICE: 519 return "The service parameter was not recognized for the specified socket type."; 520 #endif 521 #ifdef EAI_SOCKTYPE 522 case EAI_SOCKTYPE: 523 return "The specified socket type was not recognized."; 524 #endif 525 #ifdef EAI_SYSTEM 526 case EAI_SYSTEM: 527 return "A system error occurred - see errno."; 528 #endif 529 default: 530 return "Unknown error in getaddrinfo()."; 531 } 532 } 533 #endif 534 535 #ifdef HAS_GETADDRINFO 536 static SV *err_to_SV(pTHX_ int err) 537 { 538 SV *ret = sv_newmortal(); 539 (void) SvUPGRADE(ret, SVt_PVNV); 540 541 if(err) { 542 const char *error = gai_strerror(err); 543 sv_setpv(ret, error); 544 } 545 else { 546 sv_setpv(ret, ""); 547 } 548 549 SvIV_set(ret, err); SvIOK_on(ret); 550 551 return ret; 552 } 553 554 static void xs_getaddrinfo(pTHX_ CV *cv) 555 { 556 dXSARGS; 557 558 SV *host; 559 SV *service; 560 SV *hints; 561 562 char *hostname = NULL; 563 char *servicename = NULL; 564 STRLEN len; 565 struct addrinfo hints_s; 566 struct addrinfo *res; 567 struct addrinfo *res_iter; 568 int err; 569 int n_res; 570 571 PERL_UNUSED_ARG(cv); 572 if(items > 3) 573 croak("Usage: Socket::getaddrinfo(host, service, hints)"); 574 575 SP -= items; 576 577 if(items < 1) 578 host = &PL_sv_undef; 579 else 580 host = ST(0); 581 582 if(items < 2) 583 service = &PL_sv_undef; 584 else 585 service = ST(1); 586 587 if(items < 3) 588 hints = NULL; 589 else 590 hints = ST(2); 591 592 SvGETMAGIC(host); 593 if(SvOK(host)) { 594 hostname = SvPV_nomg(host, len); 595 if (!len) 596 hostname = NULL; 597 } 598 599 SvGETMAGIC(service); 600 if(SvOK(service)) { 601 servicename = SvPV_nomg(service, len); 602 if (!len) 603 servicename = NULL; 604 } 605 606 Zero(&hints_s, sizeof(hints_s), char); 607 hints_s.ai_family = PF_UNSPEC; 608 609 if(hints && SvOK(hints)) { 610 HV *hintshash; 611 SV **valp; 612 613 if(!SvROK(hints) || SvTYPE(SvRV(hints)) != SVt_PVHV) 614 croak("hints is not a HASH reference"); 615 616 hintshash = (HV*)SvRV(hints); 617 618 if((valp = hv_fetch(hintshash, "flags", 5, 0)) != NULL && SvOK(*valp)) 619 hints_s.ai_flags = SvIV(*valp); 620 if((valp = hv_fetch(hintshash, "family", 6, 0)) != NULL && SvOK(*valp)) 621 hints_s.ai_family = SvIV(*valp); 622 if((valp = hv_fetch(hintshash, "socktype", 8, 0)) != NULL && SvOK(*valp)) 623 hints_s.ai_socktype = SvIV(*valp); 624 if((valp = hv_fetch(hintshash, "protocol", 8, 0)) != NULL && SvOK(*valp)) 625 hints_s.ai_protocol = SvIV(*valp); 626 } 627 628 err = getaddrinfo(hostname, servicename, &hints_s, &res); 629 630 XPUSHs(err_to_SV(aTHX_ err)); 631 632 if(err) 633 XSRETURN(1); 634 635 n_res = 0; 636 for(res_iter = res; res_iter; res_iter = res_iter->ai_next) { 637 HV *res_hv = newHV(); 638 639 (void)hv_stores(res_hv, "family", newSViv(res_iter->ai_family)); 640 (void)hv_stores(res_hv, "socktype", newSViv(res_iter->ai_socktype)); 641 (void)hv_stores(res_hv, "protocol", newSViv(res_iter->ai_protocol)); 642 643 (void)hv_stores(res_hv, "addr", newSVpvn((char*)res_iter->ai_addr, res_iter->ai_addrlen)); 644 645 if(res_iter->ai_canonname) 646 (void)hv_stores(res_hv, "canonname", newSVpv(res_iter->ai_canonname, 0)); 647 else 648 (void)hv_stores(res_hv, "canonname", newSV(0)); 649 650 XPUSHs(sv_2mortal(newRV_noinc((SV*)res_hv))); 651 n_res++; 652 } 653 654 freeaddrinfo(res); 655 656 XSRETURN(1 + n_res); 657 } 658 #endif 659 660 #ifdef HAS_GETNAMEINFO 661 static void xs_getnameinfo(pTHX_ CV *cv) 662 { 663 dXSARGS; 664 665 SV *addr; 666 int flags; 667 int xflags; 668 669 char host[1024]; 670 char serv[256]; 671 char *sa; /* we'll cast to struct sockaddr * when necessary */ 672 STRLEN addr_len; 673 int err; 674 675 int want_host, want_serv; 676 677 PERL_UNUSED_ARG(cv); 678 if(items < 1 || items > 3) 679 croak("Usage: Socket::getnameinfo(addr, flags=0, xflags=0)"); 680 681 SP -= items; 682 683 addr = ST(0); 684 SvGETMAGIC(addr); 685 686 if(items < 2) 687 flags = 0; 688 else 689 flags = SvIV(ST(1)); 690 691 if(items < 3) 692 xflags = 0; 693 else 694 xflags = SvIV(ST(2)); 695 696 want_host = !(xflags & NIx_NOHOST); 697 want_serv = !(xflags & NIx_NOSERV); 698 699 if(!SvPOKp(addr)) 700 croak("addr is not a string"); 701 702 addr_len = SvCUR(addr); 703 704 /* We need to ensure the sockaddr is aligned, because a random SvPV might 705 * not be due to SvOOK */ 706 Newx(sa, addr_len, char); 707 Copy(SvPV_nolen(addr), sa, addr_len, char); 708 #ifdef HAS_SOCKADDR_SA_LEN 709 ((struct sockaddr *)sa)->sa_len = addr_len; 710 #endif 711 712 err = getnameinfo((struct sockaddr *)sa, addr_len, 713 want_host ? host : NULL, want_host ? sizeof(host) : 0, 714 want_serv ? serv : NULL, want_serv ? sizeof(serv) : 0, 715 flags); 716 717 Safefree(sa); 718 719 XPUSHs(err_to_SV(aTHX_ err)); 720 721 if(err) 722 XSRETURN(1); 723 724 XPUSHs(want_host ? sv_2mortal(newSVpv(host, 0)) : &PL_sv_undef); 725 XPUSHs(want_serv ? sv_2mortal(newSVpv(serv, 0)) : &PL_sv_undef); 726 727 XSRETURN(3); 728 } 729 #endif 730 731 MODULE = Socket PACKAGE = Socket 732 733 INCLUDE: const-xs.inc 734 735 BOOT: 736 #ifdef HAS_GETADDRINFO 737 newXS("Socket::getaddrinfo", xs_getaddrinfo, __FILE__); 738 #endif 739 #ifdef HAS_GETNAMEINFO 740 newXS("Socket::getnameinfo", xs_getnameinfo, __FILE__); 741 #endif 742 743 void 744 inet_aton(host) 745 char * host 746 CODE: 747 { 748 struct in_addr ip_address; 749 struct hostent * phe; 750 751 if ((*host != '\0') && inet_aton(host, &ip_address)) { 752 ST(0) = sv_2mortal(newSVpvn((char *)&ip_address, sizeof(ip_address))); 753 XSRETURN(1); 754 } 755 #ifdef HAS_GETHOSTBYNAME 756 phe = gethostbyname(host); 757 if (phe && phe->h_addrtype == AF_INET && phe->h_length == 4) { 758 ST(0) = sv_2mortal(newSVpvn((char *)phe->h_addr, phe->h_length)); 759 XSRETURN(1); 760 } 761 #endif 762 XSRETURN_UNDEF; 763 } 764 765 void 766 inet_ntoa(ip_address_sv) 767 SV * ip_address_sv 768 CODE: 769 { 770 STRLEN addrlen; 771 struct in_addr addr; 772 char * ip_address; 773 if (DO_UTF8(ip_address_sv) && !sv_utf8_downgrade(ip_address_sv, 1)) 774 croak("Wide character in %s", "Socket::inet_ntoa"); 775 ip_address = SvPVbyte(ip_address_sv, addrlen); 776 if (addrlen == sizeof(addr) || addrlen == 4) 777 addr.s_addr = 778 (ip_address[0] & 0xFF) << 24 | 779 (ip_address[1] & 0xFF) << 16 | 780 (ip_address[2] & 0xFF) << 8 | 781 (ip_address[3] & 0xFF); 782 else 783 croak("Bad arg length for %s, length is %" UVuf 784 ", should be %" UVuf, 785 "Socket::inet_ntoa", (UV)addrlen, (UV)sizeof(addr)); 786 /* We could use inet_ntoa() but that is broken 787 * in HP-UX + GCC + 64bitint (returns "0.0.0.0"), 788 * so let's use this sprintf() workaround everywhere. 789 * This is also more threadsafe than using inet_ntoa(). */ 790 ST(0) = sv_2mortal(Perl_newSVpvf(aTHX_ "%d.%d.%d.%d", /* IPv6? */ 791 (int)((addr.s_addr >> 24) & 0xFF), 792 (int)((addr.s_addr >> 16) & 0xFF), 793 (int)((addr.s_addr >> 8) & 0xFF), 794 (int)( addr.s_addr & 0xFF))); 795 } 796 797 void 798 sockaddr_family(sockaddr) 799 SV * sockaddr 800 PREINIT: 801 STRLEN sockaddr_len; 802 char *sockaddr_pv = SvPVbyte(sockaddr, sockaddr_len); 803 CODE: 804 if (sockaddr_len < STRUCT_OFFSET(struct sockaddr, sa_data)) 805 croak("Bad arg length for %s, length is %" UVuf 806 ", should be at least %" UVuf, 807 "Socket::sockaddr_family", (UV)sockaddr_len, 808 (UV)STRUCT_OFFSET(struct sockaddr, sa_data)); 809 ST(0) = sv_2mortal(newSViv(((struct sockaddr*)sockaddr_pv)->sa_family)); 810 811 void 812 pack_sockaddr_un(pathname) 813 SV * pathname 814 CODE: 815 { 816 #ifdef I_SYS_UN 817 struct sockaddr_un sun_ad; /* fear using sun */ 818 STRLEN len; 819 char * pathname_pv; 820 int addr_len; 821 822 if (!SvOK(pathname)) 823 croak("Undefined path for %s", "Socket::pack_sockaddr_un"); 824 825 Zero(&sun_ad, sizeof(sun_ad), char); 826 sun_ad.sun_family = AF_UNIX; 827 pathname_pv = SvPV(pathname,len); 828 if (len > sizeof(sun_ad.sun_path)) { 829 warn("Path length (%" UVuf ") is longer than maximum supported length" 830 " (%" UVuf ") and will be truncated", 831 (UV)len, (UV)sizeof(sun_ad.sun_path)); 832 len = sizeof(sun_ad.sun_path); 833 } 834 # ifdef OS2 /* Name should start with \socket\ and contain backslashes! */ 835 { 836 int off; 837 char *s, *e; 838 839 if (pathname_pv[0] != '/' && pathname_pv[0] != '\\') 840 croak("Relative UNIX domain socket name '%s' unsupported", 841 pathname_pv); 842 else if (len < 8 843 || pathname_pv[7] != '/' && pathname_pv[7] != '\\' 844 || !strnicmp(pathname_pv + 1, "socket", 6)) 845 off = 7; 846 else 847 off = 0; /* Preserve names starting with \socket\ */ 848 Copy("\\socket", sun_ad.sun_path, off, char); 849 Copy(pathname_pv, sun_ad.sun_path + off, len, char); 850 851 s = sun_ad.sun_path + off - 1; 852 e = s + len + 1; 853 while (++s < e) 854 if (*s = '/') 855 *s = '\\'; 856 } 857 # else /* !( defined OS2 ) */ 858 Copy(pathname_pv, sun_ad.sun_path, len, char); 859 # endif 860 if (0) not_here("dummy"); 861 if (len > 1 && sun_ad.sun_path[0] == '\0') { 862 /* Linux-style abstract-namespace socket. 863 * The name is not a file name, but an array of arbitrary 864 * character, starting with \0 and possibly including \0s, 865 * therefore the length of the structure must denote the 866 * end of that character array */ 867 addr_len = (char *)&(sun_ad.sun_path) - (char *)&sun_ad + len; 868 } else { 869 addr_len = sizeof(sun_ad); 870 } 871 # ifdef HAS_SOCKADDR_SA_LEN 872 sun_ad.sun_len = addr_len; 873 # endif 874 ST(0) = sv_2mortal(newSVpvn((char *)&sun_ad, addr_len)); 875 #else 876 ST(0) = (SV*)not_here("pack_sockaddr_un"); 877 #endif 878 879 } 880 881 void 882 unpack_sockaddr_un(sun_sv) 883 SV * sun_sv 884 CODE: 885 { 886 #ifdef I_SYS_UN 887 struct sockaddr_un addr; 888 STRLEN sockaddrlen; 889 char * sun_ad; 890 int addr_len = 0; 891 if (!SvOK(sun_sv)) 892 croak("Undefined address for %s", "Socket::unpack_sockaddr_un"); 893 sun_ad = SvPVbyte(sun_sv,sockaddrlen); 894 # if defined(__linux__) || defined(HAS_SOCKADDR_SA_LEN) 895 /* On Linux or *BSD sockaddrlen on sockets returned by accept, recvfrom, 896 getpeername and getsockname is not equal to sizeof(addr). */ 897 if (sockaddrlen < sizeof(addr)) { 898 Copy(sun_ad, &addr, sockaddrlen, char); 899 Zero(((char*)&addr) + sockaddrlen, sizeof(addr) - sockaddrlen, char); 900 } else { 901 Copy(sun_ad, &addr, sizeof(addr), char); 902 } 903 # ifdef HAS_SOCKADDR_SA_LEN 904 /* In this case, sun_len must be checked */ 905 if (sockaddrlen != addr.sun_len) 906 croak("Invalid arg sun_len field for %s, length is %" UVuf 907 ", but sun_len is %" UVuf, 908 "Socket::unpack_sockaddr_un", (UV)sockaddrlen, (UV)addr.sun_len); 909 # endif 910 # else 911 if (sockaddrlen != sizeof(addr)) 912 croak("Bad arg length for %s, length is %" UVuf 913 ", should be %" UVuf, 914 "Socket::unpack_sockaddr_un", (UV)sockaddrlen, (UV)sizeof(addr)); 915 Copy(sun_ad, &addr, sizeof(addr), char); 916 # endif 917 918 if (addr.sun_family != AF_UNIX) 919 croak("Bad address family for %s, got %d, should be %d", 920 "Socket::unpack_sockaddr_un", addr.sun_family, AF_UNIX); 921 # ifdef __linux__ 922 if (addr.sun_path[0] == '\0') { 923 /* Linux-style abstract socket address begins with a nul 924 * and can contain nuls. */ 925 addr_len = (char *)&addr - (char *)&(addr.sun_path) + sockaddrlen; 926 } else 927 # endif 928 { 929 # if defined(HAS_SOCKADDR_SA_LEN) 930 /* On *BSD sun_path not always ends with a '\0' */ 931 int maxlen = addr.sun_len - 2; /* should use STRUCT_OFFSET(struct sockaddr_un, sun_path) instead of 2 */ 932 if (maxlen > (int)sizeof(addr.sun_path)) 933 maxlen = (int)sizeof(addr.sun_path); 934 # else 935 const int maxlen = (int)sizeof(addr.sun_path); 936 # endif 937 while (addr_len < maxlen && addr.sun_path[addr_len]) 938 addr_len++; 939 } 940 941 ST(0) = sv_2mortal(newSVpvn(addr.sun_path, addr_len)); 942 #else 943 ST(0) = (SV*)not_here("unpack_sockaddr_un"); 944 #endif 945 } 946 947 void 948 pack_sockaddr_in(port_sv, ip_address_sv) 949 SV * port_sv 950 SV * ip_address_sv 951 CODE: 952 { 953 struct sockaddr_in sin; 954 struct in_addr addr; 955 STRLEN addrlen; 956 unsigned short port = 0; 957 char * ip_address; 958 if (SvOK(port_sv)) 959 port = SvUV(port_sv); 960 if (!SvOK(ip_address_sv)) 961 croak("Undefined address for %s", "Socket::pack_sockaddr_in"); 962 if (DO_UTF8(ip_address_sv) && !sv_utf8_downgrade(ip_address_sv, 1)) 963 croak("Wide character in %s", "Socket::pack_sockaddr_in"); 964 ip_address = SvPVbyte(ip_address_sv, addrlen); 965 if (addrlen == sizeof(addr) || addrlen == 4) 966 addr.s_addr = 967 (unsigned int)(ip_address[0] & 0xFF) << 24 | 968 (unsigned int)(ip_address[1] & 0xFF) << 16 | 969 (unsigned int)(ip_address[2] & 0xFF) << 8 | 970 (unsigned int)(ip_address[3] & 0xFF); 971 else 972 croak("Bad arg length for %s, length is %" UVuf 973 ", should be %" UVuf, 974 "Socket::pack_sockaddr_in", 975 (UV)addrlen, (UV)sizeof(addr)); 976 Zero(&sin, sizeof(sin), char); 977 sin.sin_family = AF_INET; 978 sin.sin_port = htons(port); 979 sin.sin_addr.s_addr = htonl(addr.s_addr); 980 # ifdef HAS_SOCKADDR_SA_LEN 981 sin.sin_len = sizeof(sin); 982 # endif 983 ST(0) = sv_2mortal(newSVpvn((char *)&sin, sizeof(sin))); 984 } 985 986 void 987 unpack_sockaddr_in(sin_sv) 988 SV * sin_sv 989 PPCODE: 990 { 991 STRLEN sockaddrlen; 992 struct sockaddr_in addr; 993 SV *ip_address_sv; 994 char * sin; 995 if (!SvOK(sin_sv)) 996 croak("Undefined address for %s", "Socket::unpack_sockaddr_in"); 997 sin = SvPVbyte(sin_sv,sockaddrlen); 998 if (sockaddrlen != sizeof(addr)) { 999 croak("Bad arg length for %s, length is %" UVuf 1000 ", should be %" UVuf, 1001 "Socket::unpack_sockaddr_in", (UV)sockaddrlen, (UV)sizeof(addr)); 1002 } 1003 Copy(sin, &addr, sizeof(addr), char); 1004 if (addr.sin_family != AF_INET) { 1005 croak("Bad address family for %s, got %d, should be %d", 1006 "Socket::unpack_sockaddr_in", addr.sin_family, AF_INET); 1007 } 1008 ip_address_sv = newSVpvn((char *)&addr.sin_addr, sizeof(addr.sin_addr)); 1009 1010 if(GIMME_V == G_ARRAY) { 1011 EXTEND(SP, 2); 1012 mPUSHi(ntohs(addr.sin_port)); 1013 mPUSHs(ip_address_sv); 1014 } 1015 else { 1016 mPUSHs(ip_address_sv); 1017 } 1018 } 1019 1020 void 1021 pack_sockaddr_in6(port_sv, sin6_addr, scope_id=0, flowinfo=0) 1022 SV * port_sv 1023 SV * sin6_addr 1024 unsigned long scope_id 1025 unsigned long flowinfo 1026 CODE: 1027 { 1028 #ifdef HAS_SOCKADDR_IN6 1029 unsigned short port = 0; 1030 struct sockaddr_in6 sin6; 1031 char * addrbytes; 1032 STRLEN addrlen; 1033 if (SvOK(port_sv)) 1034 port = SvUV(port_sv); 1035 if (!SvOK(sin6_addr)) 1036 croak("Undefined address for %s", "Socket::pack_sockaddr_in6"); 1037 if (DO_UTF8(sin6_addr) && !sv_utf8_downgrade(sin6_addr, 1)) 1038 croak("Wide character in %s", "Socket::pack_sockaddr_in6"); 1039 addrbytes = SvPVbyte(sin6_addr, addrlen); 1040 if (addrlen != sizeof(sin6.sin6_addr)) 1041 croak("Bad arg length %s, length is %" UVuf 1042 ", should be %" UVuf, 1043 "Socket::pack_sockaddr_in6", (UV)addrlen, (UV)sizeof(sin6.sin6_addr)); 1044 Zero(&sin6, sizeof(sin6), char); 1045 sin6.sin6_family = AF_INET6; 1046 sin6.sin6_port = htons(port); 1047 sin6.sin6_flowinfo = htonl(flowinfo); 1048 Copy(addrbytes, &sin6.sin6_addr, sizeof(sin6.sin6_addr), char); 1049 # ifdef HAS_SIN6_SCOPE_ID 1050 sin6.sin6_scope_id = scope_id; 1051 # else 1052 if (scope_id != 0) 1053 warn("%s cannot represent non-zero scope_id %d", 1054 "Socket::pack_sockaddr_in6", scope_id); 1055 # endif 1056 # ifdef HAS_SOCKADDR_SA_LEN 1057 sin6.sin6_len = sizeof(sin6); 1058 # endif 1059 ST(0) = sv_2mortal(newSVpvn((char *)&sin6, sizeof(sin6))); 1060 #else 1061 PERL_UNUSED_VAR(port_sv); 1062 PERL_UNUSED_VAR(sin6_addr); 1063 ST(0) = (SV*)not_here("pack_sockaddr_in6"); 1064 #endif 1065 } 1066 1067 void 1068 unpack_sockaddr_in6(sin6_sv) 1069 SV * sin6_sv 1070 PPCODE: 1071 { 1072 #ifdef HAS_SOCKADDR_IN6 1073 STRLEN addrlen; 1074 struct sockaddr_in6 sin6; 1075 char * addrbytes; 1076 SV *ip_address_sv; 1077 if (!SvOK(sin6_sv)) 1078 croak("Undefined address for %s", "Socket::unpack_sockaddr_in6"); 1079 addrbytes = SvPVbyte(sin6_sv, addrlen); 1080 if (addrlen != sizeof(sin6)) 1081 croak("Bad arg length for %s, length is %" UVuf 1082 ", should be %" UVuf, 1083 "Socket::unpack_sockaddr_in6", (UV)addrlen, (UV)sizeof(sin6)); 1084 Copy(addrbytes, &sin6, sizeof(sin6), char); 1085 if (sin6.sin6_family != AF_INET6) 1086 croak("Bad address family for %s, got %d, should be %d", 1087 "Socket::unpack_sockaddr_in6", sin6.sin6_family, AF_INET6); 1088 ip_address_sv = newSVpvn((char *)&sin6.sin6_addr, sizeof(sin6.sin6_addr)); 1089 1090 if(GIMME_V == G_ARRAY) { 1091 EXTEND(SP, 4); 1092 mPUSHi(ntohs(sin6.sin6_port)); 1093 mPUSHs(ip_address_sv); 1094 # ifdef HAS_SIN6_SCOPE_ID 1095 mPUSHi(sin6.sin6_scope_id); 1096 # else 1097 mPUSHi(0); 1098 # endif 1099 mPUSHi(ntohl(sin6.sin6_flowinfo)); 1100 } 1101 else { 1102 mPUSHs(ip_address_sv); 1103 } 1104 #else 1105 PERL_UNUSED_VAR(sin6_sv); 1106 ST(0) = (SV*)not_here("pack_sockaddr_in6"); 1107 #endif 1108 } 1109 1110 void 1111 inet_ntop(af, ip_address_sv) 1112 int af 1113 SV * ip_address_sv 1114 CODE: 1115 #ifdef HAS_INETNTOP 1116 STRLEN addrlen; 1117 #ifdef AF_INET6 1118 struct in6_addr addr; 1119 char str[INET6_ADDRSTRLEN]; 1120 #else 1121 struct in_addr addr; 1122 char str[INET_ADDRSTRLEN]; 1123 #endif 1124 char *ip_address; 1125 1126 if (DO_UTF8(ip_address_sv) && !sv_utf8_downgrade(ip_address_sv, 1)) 1127 croak("Wide character in %s", "Socket::inet_ntop"); 1128 1129 ip_address = SvPV(ip_address_sv, addrlen); 1130 1131 switch(af) { 1132 case AF_INET: 1133 if(addrlen != 4) 1134 croak("Bad address length for Socket::inet_ntop on AF_INET;" 1135 " got %" UVuf ", should be 4", (UV)addrlen); 1136 break; 1137 #ifdef AF_INET6 1138 case AF_INET6: 1139 if(addrlen != 16) 1140 croak("Bad address length for Socket::inet_ntop on AF_INET6;" 1141 " got %" UVuf ", should be 16", (UV)addrlen); 1142 break; 1143 #endif 1144 default: 1145 croak("Bad address family for %s, got %d, should be" 1146 #ifdef AF_INET6 1147 " either AF_INET or AF_INET6", 1148 #else 1149 " AF_INET", 1150 #endif 1151 "Socket::inet_ntop", af); 1152 } 1153 1154 if(addrlen < sizeof(addr)) { 1155 Copy(ip_address, &addr, addrlen, char); 1156 Zero(((char*)&addr) + addrlen, sizeof(addr) - addrlen, char); 1157 } 1158 else { 1159 Copy(ip_address, &addr, sizeof addr, char); 1160 } 1161 inet_ntop(af, &addr, str, sizeof str); 1162 1163 ST(0) = sv_2mortal(newSVpvn(str, strlen(str))); 1164 #else 1165 PERL_UNUSED_VAR(af); 1166 PERL_UNUSED_VAR(ip_address_sv); 1167 ST(0) = (SV*)not_here("inet_ntop"); 1168 #endif 1169 1170 void 1171 inet_pton(af, host) 1172 int af 1173 const char * host 1174 CODE: 1175 #ifdef HAS_INETPTON 1176 int ok; 1177 int addrlen = 0; 1178 #ifdef AF_INET6 1179 struct in6_addr ip_address; 1180 #else 1181 struct in_addr ip_address; 1182 #endif 1183 1184 switch(af) { 1185 case AF_INET: 1186 addrlen = 4; 1187 break; 1188 #ifdef AF_INET6 1189 case AF_INET6: 1190 addrlen = 16; 1191 break; 1192 #endif 1193 default: 1194 croak("Bad address family for %s, got %d, should be" 1195 #ifdef AF_INET6 1196 " either AF_INET or AF_INET6", 1197 #else 1198 " AF_INET", 1199 #endif 1200 "Socket::inet_pton", af); 1201 } 1202 ok = (*host != '\0') && inet_pton(af, host, &ip_address); 1203 1204 ST(0) = sv_newmortal(); 1205 if (ok) { 1206 sv_setpvn( ST(0), (char *)&ip_address, addrlen); 1207 } 1208 #else 1209 PERL_UNUSED_VAR(af); 1210 PERL_UNUSED_VAR(host); 1211 ST(0) = (SV*)not_here("inet_pton"); 1212 #endif 1213 1214 void 1215 pack_ip_mreq(multiaddr, interface=&PL_sv_undef) 1216 SV * multiaddr 1217 SV * interface 1218 CODE: 1219 { 1220 #ifdef HAS_IP_MREQ 1221 struct ip_mreq mreq; 1222 char * multiaddrbytes; 1223 char * interfacebytes; 1224 STRLEN len; 1225 if (DO_UTF8(multiaddr) && !sv_utf8_downgrade(multiaddr, 1)) 1226 croak("Wide character in %s", "Socket::pack_ip_mreq"); 1227 multiaddrbytes = SvPVbyte(multiaddr, len); 1228 if (len != sizeof(mreq.imr_multiaddr)) 1229 croak("Bad arg length %s, length is %" UVuf 1230 ", should be %" UVuf, 1231 "Socket::pack_ip_mreq", (UV)len, (UV)sizeof(mreq.imr_multiaddr)); 1232 Zero(&mreq, sizeof(mreq), char); 1233 Copy(multiaddrbytes, &mreq.imr_multiaddr, sizeof(mreq.imr_multiaddr), char); 1234 if(SvOK(interface)) { 1235 if (DO_UTF8(interface) && !sv_utf8_downgrade(interface, 1)) 1236 croak("Wide character in %s", "Socket::pack_ip_mreq"); 1237 interfacebytes = SvPVbyte(interface, len); 1238 if (len != sizeof(mreq.imr_interface)) 1239 croak("Bad arg length %s, length is %" UVuf 1240 ", should be %" UVuf, 1241 "Socket::pack_ip_mreq", (UV)len, (UV)sizeof(mreq.imr_interface)); 1242 Copy(interfacebytes, &mreq.imr_interface, sizeof(mreq.imr_interface), char); 1243 } 1244 else 1245 mreq.imr_interface.s_addr = INADDR_ANY; 1246 ST(0) = sv_2mortal(newSVpvn((char *)&mreq, sizeof(mreq))); 1247 #else 1248 not_here("pack_ip_mreq"); 1249 #endif 1250 } 1251 1252 void 1253 unpack_ip_mreq(mreq_sv) 1254 SV * mreq_sv 1255 PPCODE: 1256 { 1257 #ifdef HAS_IP_MREQ 1258 struct ip_mreq mreq; 1259 STRLEN mreqlen; 1260 char * mreqbytes = SvPVbyte(mreq_sv, mreqlen); 1261 if (mreqlen != sizeof(mreq)) 1262 croak("Bad arg length for %s, length is %" UVuf 1263 ", should be %" UVuf, 1264 "Socket::unpack_ip_mreq", (UV)mreqlen, (UV)sizeof(mreq)); 1265 Copy(mreqbytes, &mreq, sizeof(mreq), char); 1266 EXTEND(SP, 2); 1267 mPUSHp((char *)&mreq.imr_multiaddr, sizeof(mreq.imr_multiaddr)); 1268 mPUSHp((char *)&mreq.imr_interface, sizeof(mreq.imr_interface)); 1269 #else 1270 not_here("unpack_ip_mreq"); 1271 #endif 1272 } 1273 1274 void 1275 pack_ip_mreq_source(multiaddr, source, interface=&PL_sv_undef) 1276 SV * multiaddr 1277 SV * source 1278 SV * interface 1279 CODE: 1280 { 1281 #if defined(HAS_IP_MREQ_SOURCE) && defined (IP_ADD_SOURCE_MEMBERSHIP) 1282 struct ip_mreq_source mreq; 1283 char * multiaddrbytes; 1284 char * sourcebytes; 1285 char * interfacebytes; 1286 STRLEN len; 1287 if (DO_UTF8(multiaddr) && !sv_utf8_downgrade(multiaddr, 1)) 1288 croak("Wide character in %s", "Socket::pack_ip_mreq_source"); 1289 multiaddrbytes = SvPVbyte(multiaddr, len); 1290 if (len != sizeof(mreq.imr_multiaddr)) 1291 croak("Bad arg length %s, length is %" UVuf 1292 ", should be %" UVuf, 1293 "Socket::pack_ip_mreq", (UV)len, (UV)sizeof(mreq.imr_multiaddr)); 1294 if (DO_UTF8(source) && !sv_utf8_downgrade(source, 1)) 1295 croak("Wide character in %s", "Socket::pack_ip_mreq_source"); 1296 if (len != sizeof(mreq.imr_sourceaddr)) 1297 croak("Bad arg length %s, length is %" UVuf 1298 ", should be %" UVuf, 1299 "Socket::pack_ip_mreq", (UV)len, (UV)sizeof(mreq.imr_sourceaddr)); 1300 sourcebytes = SvPVbyte(source, len); 1301 Zero(&mreq, sizeof(mreq), char); 1302 Copy(multiaddrbytes, &mreq.imr_multiaddr, sizeof(mreq.imr_multiaddr), char); 1303 Copy(sourcebytes, &mreq.imr_sourceaddr, sizeof(mreq.imr_sourceaddr), char); 1304 if(SvOK(interface)) { 1305 if (DO_UTF8(interface) && !sv_utf8_downgrade(interface, 1)) 1306 croak("Wide character in %s", "Socket::pack_ip_mreq"); 1307 interfacebytes = SvPVbyte(interface, len); 1308 if (len != sizeof(mreq.imr_interface)) 1309 croak("Bad arg length %s, length is %" UVuf 1310 ", should be %" UVuf, 1311 "Socket::pack_ip_mreq", (UV)len, (UV)sizeof(mreq.imr_interface)); 1312 Copy(interfacebytes, &mreq.imr_interface, sizeof(mreq.imr_interface), char); 1313 } 1314 else 1315 mreq.imr_interface.s_addr = INADDR_ANY; 1316 ST(0) = sv_2mortal(newSVpvn((char *)&mreq, sizeof(mreq))); 1317 #else 1318 PERL_UNUSED_VAR(multiaddr); 1319 PERL_UNUSED_VAR(source); 1320 not_here("pack_ip_mreq_source"); 1321 #endif 1322 } 1323 1324 void 1325 unpack_ip_mreq_source(mreq_sv) 1326 SV * mreq_sv 1327 PPCODE: 1328 { 1329 #if defined(HAS_IP_MREQ_SOURCE) && defined (IP_ADD_SOURCE_MEMBERSHIP) 1330 struct ip_mreq_source mreq; 1331 STRLEN mreqlen; 1332 char * mreqbytes = SvPVbyte(mreq_sv, mreqlen); 1333 if (mreqlen != sizeof(mreq)) 1334 croak("Bad arg length for %s, length is %" UVuf 1335 ", should be %" UVuf, 1336 "Socket::unpack_ip_mreq_source", (UV)mreqlen, (UV)sizeof(mreq)); 1337 Copy(mreqbytes, &mreq, sizeof(mreq), char); 1338 EXTEND(SP, 3); 1339 mPUSHp((char *)&mreq.imr_multiaddr, sizeof(mreq.imr_multiaddr)); 1340 mPUSHp((char *)&mreq.imr_sourceaddr, sizeof(mreq.imr_sourceaddr)); 1341 mPUSHp((char *)&mreq.imr_interface, sizeof(mreq.imr_interface)); 1342 #else 1343 PERL_UNUSED_VAR(mreq_sv); 1344 not_here("unpack_ip_mreq_source"); 1345 #endif 1346 } 1347 1348 void 1349 pack_ipv6_mreq(multiaddr, ifindex) 1350 SV * multiaddr 1351 unsigned int ifindex 1352 CODE: 1353 { 1354 #ifdef HAS_IPV6_MREQ 1355 struct ipv6_mreq mreq; 1356 char * multiaddrbytes; 1357 STRLEN len; 1358 if (DO_UTF8(multiaddr) && !sv_utf8_downgrade(multiaddr, 1)) 1359 croak("Wide character in %s", "Socket::pack_ipv6_mreq"); 1360 multiaddrbytes = SvPVbyte(multiaddr, len); 1361 if (len != sizeof(mreq.ipv6mr_multiaddr)) 1362 croak("Bad arg length %s, length is %" UVuf 1363 ", should be %" UVuf, 1364 "Socket::pack_ipv6_mreq", (UV)len, (UV)sizeof(mreq.ipv6mr_multiaddr)); 1365 Zero(&mreq, sizeof(mreq), char); 1366 Copy(multiaddrbytes, &mreq.ipv6mr_multiaddr, sizeof(mreq.ipv6mr_multiaddr), char); 1367 mreq.ipv6mr_interface = ifindex; 1368 ST(0) = sv_2mortal(newSVpvn((char *)&mreq, sizeof(mreq))); 1369 #else 1370 PERL_UNUSED_VAR(multiaddr); 1371 PERL_UNUSED_VAR(ifindex); 1372 not_here("pack_ipv6_mreq"); 1373 #endif 1374 } 1375 1376 void 1377 unpack_ipv6_mreq(mreq_sv) 1378 SV * mreq_sv 1379 PPCODE: 1380 { 1381 #ifdef HAS_IPV6_MREQ 1382 struct ipv6_mreq mreq; 1383 STRLEN mreqlen; 1384 char * mreqbytes = SvPVbyte(mreq_sv, mreqlen); 1385 if (mreqlen != sizeof(mreq)) 1386 croak("Bad arg length for %s, length is %" UVuf 1387 ", should be %" UVuf, 1388 "Socket::unpack_ipv6_mreq", (UV)mreqlen, (UV)sizeof(mreq)); 1389 Copy(mreqbytes, &mreq, sizeof(mreq), char); 1390 EXTEND(SP, 2); 1391 mPUSHp((char *)&mreq.ipv6mr_multiaddr, sizeof(mreq.ipv6mr_multiaddr)); 1392 mPUSHi(mreq.ipv6mr_interface); 1393 #else 1394 PERL_UNUSED_VAR(mreq_sv); 1395 not_here("unpack_ipv6_mreq"); 1396 #endif 1397 } 1398