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 /* 83 * Under Windows, sockaddr_un is defined in afunix.h. Unfortunately 84 * MinGW and SDKs older than 10.0.17063.0 don't have it, so we have to 85 * define it here. Don't worry, it's portable. Windows has ironclad ABI 86 * stability guarantees which means that the definitions will *never* 87 * change. 88 */ 89 #ifndef UNIX_PATH_MAX 90 91 #define UNIX_PATH_MAX 108 92 93 struct sockaddr_un 94 { 95 USHORT sun_family; 96 char sun_path[UNIX_PATH_MAX]; 97 }; 98 99 #endif 100 101 static int inet_pton(int af, const char *src, void *dst) 102 { 103 struct sockaddr_storage ss; 104 int size = sizeof(ss); 105 ss.ss_family = af; /* per MSDN */ 106 107 if (WSAStringToAddress((char*)src, af, NULL, (struct sockaddr *)&ss, &size) != 0) 108 return 0; 109 110 switch(af) { 111 case AF_INET: 112 *(struct in_addr *)dst = ((struct sockaddr_in *)&ss)->sin_addr; 113 return 1; 114 case AF_INET6: 115 *(struct in6_addr *)dst = ((struct sockaddr_in6 *)&ss)->sin6_addr; 116 return 1; 117 default: 118 WSASetLastError(WSAEAFNOSUPPORT); 119 return -1; 120 } 121 } 122 123 static const char *inet_ntop(int af, const void *src, char *dst, socklen_t size) 124 { 125 struct sockaddr_storage ss; 126 unsigned long s = size; 127 128 ZeroMemory(&ss, sizeof(ss)); 129 ss.ss_family = af; 130 131 switch(af) { 132 case AF_INET: 133 ((struct sockaddr_in *)&ss)->sin_addr = *(struct in_addr *)src; 134 break; 135 case AF_INET6: 136 ((struct sockaddr_in6 *)&ss)->sin6_addr = *(struct in6_addr *)src; 137 break; 138 default: 139 return NULL; 140 } 141 142 /* cannot directly use &size because of strict aliasing rules */ 143 if (WSAAddressToString((struct sockaddr *)&ss, sizeof(ss), NULL, dst, &s) != 0) 144 return NULL; 145 else 146 return dst; 147 } 148 149 #define HAS_INETPTON 150 #define HAS_INETNTOP 151 #endif 152 153 #ifdef NETWARE 154 NETDB_DEFINE_CONTEXT 155 NETINET_DEFINE_CONTEXT 156 #endif 157 158 #ifdef I_SYSUIO 159 # include <sys/uio.h> 160 #endif 161 162 #ifndef AF_NBS 163 # undef PF_NBS 164 #endif 165 166 #ifndef AF_X25 167 # undef PF_X25 168 #endif 169 170 #ifndef INADDR_NONE 171 # define INADDR_NONE 0xffffffff 172 #endif /* INADDR_NONE */ 173 #ifndef INADDR_BROADCAST 174 # define INADDR_BROADCAST 0xffffffff 175 #endif /* INADDR_BROADCAST */ 176 #ifndef INADDR_LOOPBACK 177 # define INADDR_LOOPBACK 0x7F000001 178 #endif /* INADDR_LOOPBACK */ 179 180 #ifndef INET_ADDRSTRLEN 181 #define INET_ADDRSTRLEN 16 182 #endif 183 184 #ifndef C_ARRAY_LENGTH 185 #define C_ARRAY_LENGTH(arr) (sizeof(arr) / sizeof(*(arr))) 186 #endif /* !C_ARRAY_LENGTH */ 187 188 #ifndef PERL_UNUSED_VAR 189 # define PERL_UNUSED_VAR(x) ((void)x) 190 #endif /* !PERL_UNUSED_VAR */ 191 192 #ifndef PERL_UNUSED_ARG 193 # define PERL_UNUSED_ARG(x) PERL_UNUSED_VAR(x) 194 #endif /* !PERL_UNUSED_ARG */ 195 196 #ifndef Newx 197 # define Newx(v,n,t) New(0,v,n,t) 198 #endif /* !Newx */ 199 200 #ifndef SvPVx_nolen 201 #if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) 202 # define SvPVx_nolen(sv) ({SV *_sv = (sv); SvPV_nolen(_sv); }) 203 #else /* __GNUC__ */ 204 # define SvPVx_nolen(sv) ((PL_Sv = (sv)), SvPV_nolen(PL_Sv)) 205 #endif /* __GNU__ */ 206 #endif /* !SvPVx_nolen */ 207 208 #ifndef croak_sv 209 # define croak_sv(sv) croak("%s", SvPVx_nolen(sv)) 210 #endif 211 212 #ifndef hv_stores 213 # define hv_stores(hv, keystr, val) \ 214 hv_store(hv, ""keystr"", sizeof(keystr)-1, val, 0) 215 #endif /* !hv_stores */ 216 217 #ifndef newSVpvn_flags 218 # define newSVpvn_flags(s,len,flags) my_newSVpvn_flags(aTHX_ s,len,flags) 219 static SV *my_newSVpvn_flags(pTHX_ const char *s, STRLEN len, U32 flags) 220 { 221 SV *sv = newSVpvn(s, len); 222 SvFLAGS(sv) |= (flags & SVf_UTF8); 223 return (flags & SVs_TEMP) ? sv_2mortal(sv) : sv; 224 } 225 #endif /* !newSVpvn_flags */ 226 227 #ifndef SvRV_set 228 # define SvRV_set(sv, val) (SvRV(sv) = (val)) 229 #endif /* !SvRV_set */ 230 231 #ifndef SvPVbyte_nomg 232 # define SvPVbyte_nomg SvPV 233 #endif /* !SvPVbyte_nomg */ 234 235 #ifndef HEK_FLAGS 236 # define HEK_FLAGS(hek) 0 237 # define HVhek_UTF8 1 238 #endif /* !HEK_FLAGS */ 239 240 #ifndef hv_common 241 /* These magic numbers are arbitrarily chosen (copied from perl core in fact) 242 * and only have to match between this definition and the code that uses them 243 */ 244 # define HV_FETCH_ISSTORE 0x04 245 # define HV_FETCH_LVALUE 0x10 246 # define hv_common(hv, keysv, key, klen, flags, act, val, hash) \ 247 my_hv_common(aTHX_ hv, keysv, key, klen, flags, act, val, hash) 248 static void *my_hv_common(pTHX_ HV *hv, SV *keysv, const char *key, STRLEN klen, 249 int flags, int act, SV *val, U32 hash) 250 { 251 /* 252 * This only handles the usage actually made by the code 253 * generated by ExtUtils::Constant. EU:C really ought to arrange 254 * portability of its generated code itself. 255 */ 256 if (!keysv) { 257 keysv = sv_2mortal(newSVpvn(key, klen)); 258 if (flags & HVhek_UTF8) 259 SvUTF8_on(keysv); 260 } 261 if (act == HV_FETCH_LVALUE) { 262 return (void*)hv_fetch_ent(hv, keysv, 1, hash); 263 } else if (act == HV_FETCH_ISSTORE) { 264 return (void*)hv_store_ent(hv, keysv, val, hash); 265 } else { 266 croak("panic: my_hv_common: act=0x%x", act); 267 } 268 } 269 #endif /* !hv_common */ 270 271 #ifndef hv_common_key_len 272 # define hv_common_key_len(hv, key, kl, act, val, hash) \ 273 my_hv_common_key_len(aTHX_ hv, key, kl, act, val, hash) 274 static void *my_hv_common_key_len(pTHX_ HV *hv, const char *key, I32 kl, 275 int act, SV *val, U32 hash) 276 { 277 STRLEN klen; 278 int flags; 279 if (kl < 0) { 280 klen = -kl; 281 flags = HVhek_UTF8; 282 } else { 283 klen = kl; 284 flags = 0; 285 } 286 return hv_common(hv, NULL, key, klen, flags, act, val, hash); 287 } 288 #endif /* !hv_common_key_len */ 289 290 #ifndef mPUSHi 291 # define mPUSHi(i) sv_setiv_mg(PUSHs(sv_newmortal()), (IV)(i)) 292 #endif /* !mPUSHi */ 293 #ifndef mPUSHp 294 # define mPUSHp(p,l) sv_setpvn_mg(PUSHs(sv_newmortal()), (p), (l)) 295 #endif /* !mPUSHp */ 296 #ifndef mPUSHs 297 # define mPUSHs(s) PUSHs(sv_2mortal(s)) 298 #endif /* !mPUSHs */ 299 300 #ifndef G_LIST 301 # define G_LIST G_ARRAY 302 #endif /* !G_LIST */ 303 304 #ifndef CvCONST_on 305 # undef newCONSTSUB 306 # define newCONSTSUB(stash, name, val) my_newCONSTSUB(aTHX_ stash, name, val) 307 static CV *my_newCONSTSUB(pTHX_ HV *stash, char *name, SV *val) 308 { 309 /* 310 * This has to satisfy code generated by ExtUtils::Constant. 311 * It depends on the 5.8+ layout of constant subs. It has 312 * two calls to newCONSTSUB(): one for real constants, and one 313 * for undefined constants. In the latter case, it turns the 314 * initially-generated constant subs into something else, and 315 * it needs the return value from newCONSTSUB() which Perl 5.6 316 * doesn't provide. 317 */ 318 GV *gv; 319 CV *cv; 320 Perl_newCONSTSUB(aTHX_ stash, name, val); 321 ENTER; 322 SAVESPTR(PL_curstash); 323 PL_curstash = stash; 324 gv = gv_fetchpv(name, 0, SVt_PVCV); 325 cv = GvCV(gv); 326 LEAVE; 327 CvXSUBANY(cv).any_ptr = &PL_sv_undef; 328 return cv; 329 } 330 # define CvCONST_off(cv) my_CvCONST_off(aTHX_ cv) 331 static void my_CvCONST_off(pTHX_ CV *cv) 332 { 333 op_free(CvROOT(cv)); 334 CvROOT(cv) = NULL; 335 CvSTART(cv) = NULL; 336 } 337 #endif /* !CvCONST_on */ 338 339 #ifndef HAS_INET_ATON 340 341 /* 342 * Check whether "cp" is a valid ascii representation 343 * of an Internet address and convert to a binary address. 344 * Returns 1 if the address is valid, 0 if not. 345 * This replaces inet_addr, the return value from which 346 * cannot distinguish between failure and a local broadcast address. 347 */ 348 static int 349 my_inet_aton(register const char *cp, struct in_addr *addr) 350 { 351 dTHX; 352 register U32 val; 353 register int base; 354 register char c; 355 int nparts; 356 const char *s; 357 unsigned int parts[4]; 358 register unsigned int *pp = parts; 359 360 if (!cp || !*cp) 361 return 0; 362 for (;;) { 363 /* 364 * Collect number up to ".". 365 * Values are specified as for C: 366 * 0x=hex, 0=octal, other=decimal. 367 */ 368 val = 0; base = 10; 369 if (*cp == '0') { 370 if (*++cp == 'x' || *cp == 'X') 371 base = 16, cp++; 372 else 373 base = 8; 374 } 375 while ((c = *cp) != '\0') { 376 if (isDIGIT(c)) { 377 val = (val * base) + (c - '0'); 378 cp++; 379 continue; 380 } 381 if (base == 16 && (s=strchr(PL_hexdigit,c))) { 382 val = (val << 4) + 383 ((s - PL_hexdigit) & 15); 384 cp++; 385 continue; 386 } 387 break; 388 } 389 if (*cp == '.') { 390 /* 391 * Internet format: 392 * a.b.c.d 393 * a.b.c (with c treated as 16-bits) 394 * a.b (with b treated as 24 bits) 395 */ 396 if (pp >= parts + 3 || val > 0xff) 397 return 0; 398 *pp++ = val, cp++; 399 } else 400 break; 401 } 402 /* 403 * Check for trailing characters. 404 */ 405 if (*cp && !isSPACE(*cp)) 406 return 0; 407 /* 408 * Concoct the address according to 409 * the number of parts specified. 410 */ 411 nparts = pp - parts + 1; /* force to an int for switch() */ 412 switch (nparts) { 413 414 case 1: /* a -- 32 bits */ 415 break; 416 417 case 2: /* a.b -- 8.24 bits */ 418 if (val > 0xffffff) 419 return 0; 420 val |= parts[0] << 24; 421 break; 422 423 case 3: /* a.b.c -- 8.8.16 bits */ 424 if (val > 0xffff) 425 return 0; 426 val |= (parts[0] << 24) | (parts[1] << 16); 427 break; 428 429 case 4: /* a.b.c.d -- 8.8.8.8 bits */ 430 if (val > 0xff) 431 return 0; 432 val |= (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8); 433 break; 434 } 435 addr->s_addr = htonl(val); 436 return 1; 437 } 438 439 #undef inet_aton 440 #define inet_aton my_inet_aton 441 442 #endif /* ! HAS_INET_ATON */ 443 444 /* These are not gni() constants; they're extensions for the perl API */ 445 /* The definitions in Socket.pm and Socket.xs must match */ 446 #define NIx_NOHOST (1 << 0) 447 #define NIx_NOSERV (1 << 1) 448 449 /* On Windows, ole2.h defines a macro called "interface". We don't need that, 450 * and it will complicate the variables in pack_ip_mreq() etc. (RT87389) 451 */ 452 #undef interface 453 454 /* STRUCT_OFFSET should have come from from perl.h, but if not, 455 * roll our own (not using offsetof() since that is C99). */ 456 #ifndef STRUCT_OFFSET 457 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m)) 458 #endif 459 460 static int 461 not_here(const char *s) 462 { 463 croak("Socket::%s not implemented on this architecture", s); 464 return -1; 465 } 466 467 #define PERL_IN_ADDR_S_ADDR_SIZE 4 468 469 /* 470 * Bad assumptions possible here. 471 * 472 * Bad Assumption 1: struct in_addr has no other fields 473 * than the s_addr (which is the field we care about 474 * in here, really). However, we can be fed either 4-byte 475 * addresses (from pack("N", ...), or va.b.c.d, or ...), 476 * or full struct in_addrs (from e.g. pack_sockaddr_in()), 477 * which may or may not be 4 bytes in size. 478 * 479 * Bad Assumption 2: the s_addr field is a simple type 480 * (such as an int, u_int32_t). It can be a bit field, 481 * in which case using & (address-of) on it or taking sizeof() 482 * wouldn't go over too well. (Those are not attempted 483 * now but in case someone thinks to change the below code 484 * to use addr.s_addr instead of addr, you have been warned.) 485 * 486 * Bad Assumption 3: the s_addr is the first field in 487 * an in_addr, or that its bytes are the first bytes in 488 * an in_addr. 489 * 490 * These bad assumptions are wrong in UNICOS which has 491 * struct in_addr { struct { u_long st_addr:32; } s_da }; 492 * #define s_addr s_da.st_addr 493 * and u_long is 64 bits. 494 * 495 * --jhi */ 496 497 #include "const-c.inc" 498 499 #if defined(HAS_GETADDRINFO) && !defined(HAS_GAI_STRERROR) 500 static const char *gai_strerror(int err) 501 { 502 switch (err) 503 { 504 #ifdef EAI_ADDRFAMILY 505 case EAI_ADDRFAMILY: 506 return "Address family for hostname is not supported."; 507 #endif 508 #ifdef EAI_AGAIN 509 case EAI_AGAIN: 510 return "The name could not be resolved at this time."; 511 #endif 512 #ifdef EAI_BADFLAGS 513 case EAI_BADFLAGS: 514 return "The flags parameter has an invalid value."; 515 #endif 516 #ifdef EAI_FAIL 517 case EAI_FAIL: 518 return "A non-recoverable error occurred while resolving the name."; 519 #endif 520 #ifdef EAI_FAMILY 521 case EAI_FAMILY: 522 return "The address family was not recognized or length is invalid."; 523 #endif 524 #ifdef EAI_MEMORY 525 case EAI_MEMORY: 526 return "A memory allocation failure occurred."; 527 #endif 528 #ifdef EAI_NODATA 529 case EAI_NODATA: 530 return "No address is associated with the hostname."; 531 #endif 532 #ifdef EAI_NONAME 533 case EAI_NONAME: 534 return "The name does not resolve for the supplied parameters."; 535 #endif 536 #ifdef EAI_OVERFLOW 537 case EAI_OVERFLOW: 538 return "An argument buffer overflowed."; 539 #endif 540 #ifdef EAI_SERVICE 541 case EAI_SERVICE: 542 return "The service parameter was not recognized for the specified socket type."; 543 #endif 544 #ifdef EAI_SOCKTYPE 545 case EAI_SOCKTYPE: 546 return "The specified socket type was not recognized."; 547 #endif 548 #ifdef EAI_SYSTEM 549 case EAI_SYSTEM: 550 return "A system error occurred - see errno."; 551 #endif 552 default: 553 return "Unknown error in getaddrinfo()."; 554 } 555 } 556 #endif 557 558 #ifdef HAS_GETADDRINFO 559 static SV *err_to_SV(pTHX_ int err) 560 { 561 SV *ret = sv_newmortal(); 562 (void) SvUPGRADE(ret, SVt_PVNV); 563 564 if(err) { 565 const char *error = gai_strerror(err); 566 sv_setpv(ret, error); 567 } 568 else { 569 sv_setpv(ret, ""); 570 } 571 572 SvIV_set(ret, err); SvIOK_on(ret); 573 574 return ret; 575 } 576 577 static void xs_getaddrinfo(pTHX_ CV *cv) 578 { 579 dXSARGS; 580 581 SV *host; 582 SV *service; 583 SV *hints; 584 585 char *hostname = NULL; 586 char *servicename = NULL; 587 STRLEN len; 588 struct addrinfo hints_s; 589 struct addrinfo *res; 590 struct addrinfo *res_iter; 591 int err; 592 int n_res; 593 594 PERL_UNUSED_ARG(cv); 595 if(items > 3) 596 croak("Usage: Socket::getaddrinfo(host, service, hints)"); 597 598 SP -= items; 599 600 if(items < 1) 601 host = &PL_sv_undef; 602 else 603 host = ST(0); 604 605 if(items < 2) 606 service = &PL_sv_undef; 607 else 608 service = ST(1); 609 610 if(items < 3) 611 hints = NULL; 612 else 613 hints = ST(2); 614 615 SvGETMAGIC(host); 616 if(SvOK(host)) { 617 hostname = SvPVbyte_nomg(host, len); 618 if (!len) 619 hostname = NULL; 620 } 621 622 SvGETMAGIC(service); 623 if(SvOK(service)) { 624 servicename = SvPVbyte_nomg(service, len); 625 if (!len) 626 servicename = NULL; 627 } 628 629 Zero(&hints_s, sizeof(hints_s), char); 630 hints_s.ai_family = PF_UNSPEC; 631 632 if(hints && SvOK(hints)) { 633 HV *hintshash; 634 SV **valp; 635 636 if(!SvROK(hints) || SvTYPE(SvRV(hints)) != SVt_PVHV) 637 croak("hints is not a HASH reference"); 638 639 hintshash = (HV*)SvRV(hints); 640 641 if((valp = hv_fetch(hintshash, "flags", 5, 0)) != NULL && SvOK(*valp)) 642 hints_s.ai_flags = SvIV(*valp); 643 if((valp = hv_fetch(hintshash, "family", 6, 0)) != NULL && SvOK(*valp)) 644 hints_s.ai_family = SvIV(*valp); 645 if((valp = hv_fetch(hintshash, "socktype", 8, 0)) != NULL && SvOK(*valp)) 646 hints_s.ai_socktype = SvIV(*valp); 647 if((valp = hv_fetch(hintshash, "protocol", 8, 0)) != NULL && SvOK(*valp)) 648 hints_s.ai_protocol = SvIV(*valp); 649 } 650 651 err = getaddrinfo(hostname, servicename, &hints_s, &res); 652 653 XPUSHs(err_to_SV(aTHX_ err)); 654 655 if(err) 656 XSRETURN(1); 657 658 n_res = 0; 659 for(res_iter = res; res_iter; res_iter = res_iter->ai_next) { 660 HV *res_hv = newHV(); 661 662 (void)hv_stores(res_hv, "family", newSViv(res_iter->ai_family)); 663 (void)hv_stores(res_hv, "socktype", newSViv(res_iter->ai_socktype)); 664 (void)hv_stores(res_hv, "protocol", newSViv(res_iter->ai_protocol)); 665 666 (void)hv_stores(res_hv, "addr", newSVpvn((char*)res_iter->ai_addr, res_iter->ai_addrlen)); 667 668 if(res_iter->ai_canonname) 669 (void)hv_stores(res_hv, "canonname", newSVpv(res_iter->ai_canonname, 0)); 670 else 671 (void)hv_stores(res_hv, "canonname", newSV(0)); 672 673 XPUSHs(sv_2mortal(newRV_noinc((SV*)res_hv))); 674 n_res++; 675 } 676 677 freeaddrinfo(res); 678 679 XSRETURN(1 + n_res); 680 } 681 #endif 682 683 #ifdef HAS_GETNAMEINFO 684 static void xs_getnameinfo(pTHX_ CV *cv) 685 { 686 dXSARGS; 687 688 SV *addr; 689 int flags; 690 int xflags; 691 692 char host[1024]; 693 char serv[256]; 694 char *sa; /* we'll cast to struct sockaddr * when necessary */ 695 STRLEN addr_len; 696 int err; 697 698 int want_host, want_serv; 699 700 PERL_UNUSED_ARG(cv); 701 if(items < 1 || items > 3) 702 croak("Usage: Socket::getnameinfo(addr, flags=0, xflags=0)"); 703 704 SP -= items; 705 706 addr = ST(0); 707 SvGETMAGIC(addr); 708 709 if(items < 2) 710 flags = 0; 711 else 712 flags = SvIV(ST(1)); 713 714 if(items < 3) 715 xflags = 0; 716 else 717 xflags = SvIV(ST(2)); 718 719 want_host = !(xflags & NIx_NOHOST); 720 want_serv = !(xflags & NIx_NOSERV); 721 722 if(!SvPOKp(addr)) 723 croak("addr is not a string"); 724 725 addr_len = SvCUR(addr); 726 727 /* We need to ensure the sockaddr is aligned, because a random SvPV might 728 * not be due to SvOOK */ 729 Newx(sa, addr_len, char); 730 Copy(SvPV_nolen(addr), sa, addr_len, char); 731 #ifdef HAS_SOCKADDR_SA_LEN 732 ((struct sockaddr *)sa)->sa_len = addr_len; 733 #endif 734 735 err = getnameinfo((struct sockaddr *)sa, addr_len, 736 #ifdef OS390 /* This OS requires both parameters to be non-NULL */ 737 host, sizeof(host), 738 serv, sizeof(serv), 739 #else 740 want_host ? host : NULL, want_host ? sizeof(host) : 0, 741 want_serv ? serv : NULL, want_serv ? sizeof(serv) : 0, 742 #endif 743 flags); 744 745 Safefree(sa); 746 747 XPUSHs(err_to_SV(aTHX_ err)); 748 749 if(err) 750 XSRETURN(1); 751 752 XPUSHs(want_host ? sv_2mortal(newSVpv(host, 0)) : &PL_sv_undef); 753 XPUSHs(want_serv ? sv_2mortal(newSVpv(serv, 0)) : &PL_sv_undef); 754 755 XSRETURN(3); 756 } 757 #endif 758 759 MODULE = Socket PACKAGE = Socket 760 761 INCLUDE: const-xs.inc 762 763 BOOT: 764 #ifdef HAS_GETADDRINFO 765 newXS("Socket::getaddrinfo", xs_getaddrinfo, __FILE__); 766 #endif 767 #ifdef HAS_GETNAMEINFO 768 newXS("Socket::getnameinfo", xs_getnameinfo, __FILE__); 769 #endif 770 771 void 772 inet_aton(host) 773 char * host 774 CODE: 775 { 776 #ifdef HAS_GETADDRINFO 777 struct addrinfo *res; 778 struct addrinfo hints = {0}; 779 hints.ai_family = AF_INET; 780 if (!getaddrinfo(host, NULL, &hints, &res)) { 781 ST(0) = sv_2mortal(newSVpvn( 782 (char *)&(((struct sockaddr_in *)res->ai_addr)->sin_addr.s_addr), 783 4)); 784 freeaddrinfo(res); 785 XSRETURN(1); 786 } 787 #else 788 struct in_addr ip_address; 789 struct hostent * phe; 790 if ((*host != '\0') && inet_aton(host, &ip_address)) { 791 ST(0) = sv_2mortal(newSVpvn((char *)&ip_address, sizeof(ip_address))); 792 XSRETURN(1); 793 } 794 #ifdef HAS_GETHOSTBYNAME 795 /* gethostbyname is not thread-safe */ 796 phe = gethostbyname(host); 797 if (phe && phe->h_addrtype == AF_INET && phe->h_length == 4) { 798 ST(0) = sv_2mortal(newSVpvn((char *)phe->h_addr, phe->h_length)); 799 XSRETURN(1); 800 } 801 #endif /* HAS_GETHOSTBYNAME */ 802 #endif /* HAS_GETADDRINFO */ 803 XSRETURN_UNDEF; 804 } 805 806 void 807 inet_ntoa(ip_address_sv) 808 SV * ip_address_sv 809 CODE: 810 { 811 STRLEN addrlen; 812 struct in_addr addr; 813 char * ip_address; 814 if (DO_UTF8(ip_address_sv) && !sv_utf8_downgrade(ip_address_sv, 1)) 815 croak("Wide character in %s", "Socket::inet_ntoa"); 816 ip_address = SvPVbyte(ip_address_sv, addrlen); 817 if (addrlen == sizeof(addr) || addrlen == 4) 818 addr.s_addr = 819 (unsigned long)(ip_address[0] & 0xFF) << 24 | 820 (unsigned long)(ip_address[1] & 0xFF) << 16 | 821 (unsigned long)(ip_address[2] & 0xFF) << 8 | 822 (unsigned long)(ip_address[3] & 0xFF); 823 else 824 croak("Bad arg length for %s, length is %" UVuf 825 ", should be %" UVuf, 826 "Socket::inet_ntoa", (UV)addrlen, (UV)sizeof(addr)); 827 /* We could use inet_ntoa() but that is broken 828 * in HP-UX + GCC + 64bitint (returns "0.0.0.0"), 829 * so let's use this sprintf() workaround everywhere. 830 * This is also more threadsafe than using inet_ntoa(). */ 831 ST(0) = sv_2mortal(Perl_newSVpvf(aTHX_ "%d.%d.%d.%d", /* IPv6? */ 832 (int)((addr.s_addr >> 24) & 0xFF), 833 (int)((addr.s_addr >> 16) & 0xFF), 834 (int)((addr.s_addr >> 8) & 0xFF), 835 (int)( addr.s_addr & 0xFF))); 836 } 837 838 void 839 sockaddr_family(sockaddr) 840 SV * sockaddr 841 PREINIT: 842 STRLEN sockaddr_len; 843 char *sockaddr_pv = SvPVbyte(sockaddr, sockaddr_len); 844 CODE: 845 if (sockaddr_len < STRUCT_OFFSET(struct sockaddr, sa_data)) 846 croak("Bad arg length for %s, length is %" UVuf 847 ", should be at least %" UVuf, 848 "Socket::sockaddr_family", (UV)sockaddr_len, 849 (UV)STRUCT_OFFSET(struct sockaddr, sa_data)); 850 ST(0) = sv_2mortal(newSViv(((struct sockaddr*)sockaddr_pv)->sa_family)); 851 852 void 853 pack_sockaddr_un(pathname) 854 SV * pathname 855 CODE: 856 { 857 #if defined(I_SYS_UN) || defined(WIN32) 858 struct sockaddr_un sun_ad; /* fear using sun */ 859 STRLEN len; 860 char * pathname_pv; 861 int addr_len; 862 863 if (!SvOK(pathname)) 864 croak("Undefined path for %s", "Socket::pack_sockaddr_un"); 865 866 Zero(&sun_ad, sizeof(sun_ad), char); 867 sun_ad.sun_family = AF_UNIX; 868 pathname_pv = SvPVbyte(pathname,len); 869 if (len > sizeof(sun_ad.sun_path)) { 870 warn("Path length (%" UVuf ") is longer than maximum supported length" 871 " (%" UVuf ") and will be truncated", 872 (UV)len, (UV)sizeof(sun_ad.sun_path)); 873 len = sizeof(sun_ad.sun_path); 874 } 875 # ifdef OS2 /* Name should start with \socket\ and contain backslashes! */ 876 { 877 int off; 878 char *s, *e; 879 880 if (pathname_pv[0] != '/' && pathname_pv[0] != '\\') 881 croak("Relative UNIX domain socket name '%s' unsupported", 882 pathname_pv); 883 else if (len < 8 884 || pathname_pv[7] != '/' && pathname_pv[7] != '\\' 885 || !strnicmp(pathname_pv + 1, "socket", 6)) 886 off = 7; 887 else 888 off = 0; /* Preserve names starting with \socket\ */ 889 Copy("\\socket", sun_ad.sun_path, off, char); 890 Copy(pathname_pv, sun_ad.sun_path + off, len, char); 891 892 s = sun_ad.sun_path + off - 1; 893 e = s + len + 1; 894 while (++s < e) 895 if (*s = '/') 896 *s = '\\'; 897 } 898 # else /* !( defined OS2 ) */ 899 Copy(pathname_pv, sun_ad.sun_path, len, char); 900 # endif 901 if (0) not_here("dummy"); 902 if (len > 1 && sun_ad.sun_path[0] == '\0') { 903 /* Linux-style abstract-namespace socket. 904 * The name is not a file name, but an array of arbitrary 905 * character, starting with \0 and possibly including \0s, 906 * therefore the length of the structure must denote the 907 * end of that character array */ 908 addr_len = (char *)&(sun_ad.sun_path) - (char *)&sun_ad + len; 909 } else { 910 addr_len = sizeof(sun_ad); 911 } 912 # ifdef HAS_SOCKADDR_SA_LEN 913 sun_ad.sun_len = addr_len; 914 # endif 915 ST(0) = sv_2mortal(newSVpvn((char *)&sun_ad, addr_len)); 916 #else 917 ST(0) = (SV*)not_here("pack_sockaddr_un"); 918 #endif 919 920 } 921 922 void 923 unpack_sockaddr_un(sun_sv) 924 SV * sun_sv 925 CODE: 926 { 927 #if defined(I_SYS_UN) || defined(WIN32) 928 struct sockaddr_un addr; 929 STRLEN sockaddrlen; 930 char * sun_ad; 931 int addr_len = 0; 932 if (!SvOK(sun_sv)) 933 croak("Undefined address for %s", "Socket::unpack_sockaddr_un"); 934 sun_ad = SvPVbyte(sun_sv,sockaddrlen); 935 # if defined(__linux__) || defined(__CYGWIN__) || defined(HAS_SOCKADDR_SA_LEN) 936 /* On Linux, Cygwin or *BSD sockaddrlen on sockets returned by accept, 937 * recvfrom, getpeername and getsockname is not equal to sizeof(addr). */ 938 if (sockaddrlen < sizeof(addr)) { 939 Copy(sun_ad, &addr, sockaddrlen, char); 940 Zero(((char*)&addr) + sockaddrlen, sizeof(addr) - sockaddrlen, char); 941 } else { 942 Copy(sun_ad, &addr, sizeof(addr), char); 943 } 944 # ifdef HAS_SOCKADDR_SA_LEN 945 /* In this case, sun_len must be checked */ 946 if (sockaddrlen != addr.sun_len) 947 croak("Invalid arg sun_len field for %s, length is %" UVuf 948 ", but sun_len is %" UVuf, 949 "Socket::unpack_sockaddr_un", (UV)sockaddrlen, (UV)addr.sun_len); 950 # endif 951 # else 952 if (sockaddrlen != sizeof(addr)) 953 croak("Bad arg length for %s, length is %" UVuf 954 ", should be %" UVuf, 955 "Socket::unpack_sockaddr_un", (UV)sockaddrlen, (UV)sizeof(addr)); 956 Copy(sun_ad, &addr, sizeof(addr), char); 957 # endif 958 959 if (addr.sun_family != AF_UNIX) 960 croak("Bad address family for %s, got %d, should be %d", 961 "Socket::unpack_sockaddr_un", addr.sun_family, AF_UNIX); 962 # ifdef __linux__ 963 if (addr.sun_path[0] == '\0') { 964 /* Linux-style abstract socket address begins with a nul 965 * and can contain nuls. */ 966 addr_len = (char *)&addr - (char *)&(addr.sun_path) + sockaddrlen; 967 } else 968 # endif 969 { 970 # if defined(HAS_SOCKADDR_SA_LEN) 971 /* On *BSD sun_path not always ends with a '\0' */ 972 int maxlen = addr.sun_len - 2; /* should use STRUCT_OFFSET(struct sockaddr_un, sun_path) instead of 2 */ 973 if (maxlen > (int)sizeof(addr.sun_path)) 974 maxlen = (int)sizeof(addr.sun_path); 975 # else 976 const int maxlen = (int)sizeof(addr.sun_path); 977 # endif 978 while (addr_len < maxlen && addr.sun_path[addr_len]) 979 addr_len++; 980 } 981 982 ST(0) = sv_2mortal(newSVpvn(addr.sun_path, addr_len)); 983 #else 984 ST(0) = (SV*)not_here("unpack_sockaddr_un"); 985 #endif 986 } 987 988 void 989 pack_sockaddr_in(port_sv, ip_address_sv) 990 SV * port_sv 991 SV * ip_address_sv 992 CODE: 993 { 994 struct sockaddr_in sin; 995 struct in_addr addr; 996 STRLEN addrlen; 997 unsigned short port = 0; 998 char * ip_address; 999 if (SvOK(port_sv)) { 1000 port = SvUV(port_sv); 1001 if (SvUV(port_sv) > 0xFFFF) 1002 warn("Port number above 0xFFFF, will be truncated to %d for %s", 1003 port, "Socket::pack_sockaddr_in"); 1004 } 1005 if (!SvOK(ip_address_sv)) 1006 croak("Undefined address for %s", "Socket::pack_sockaddr_in"); 1007 if (DO_UTF8(ip_address_sv) && !sv_utf8_downgrade(ip_address_sv, 1)) 1008 croak("Wide character in %s", "Socket::pack_sockaddr_in"); 1009 ip_address = SvPVbyte(ip_address_sv, addrlen); 1010 if (addrlen == sizeof(addr) || addrlen == 4) 1011 addr.s_addr = 1012 (unsigned int)(ip_address[0] & 0xFF) << 24 | 1013 (unsigned int)(ip_address[1] & 0xFF) << 16 | 1014 (unsigned int)(ip_address[2] & 0xFF) << 8 | 1015 (unsigned int)(ip_address[3] & 0xFF); 1016 else 1017 croak("Bad arg length for %s, length is %" UVuf 1018 ", should be %" UVuf, 1019 "Socket::pack_sockaddr_in", 1020 (UV)addrlen, (UV)sizeof(addr)); 1021 Zero(&sin, sizeof(sin), char); 1022 sin.sin_family = AF_INET; 1023 sin.sin_port = htons(port); 1024 sin.sin_addr.s_addr = htonl(addr.s_addr); 1025 # ifdef HAS_SOCKADDR_SA_LEN 1026 sin.sin_len = sizeof(sin); 1027 # endif 1028 ST(0) = sv_2mortal(newSVpvn((char *)&sin, sizeof(sin))); 1029 } 1030 1031 void 1032 unpack_sockaddr_in(sin_sv) 1033 SV * sin_sv 1034 PPCODE: 1035 { 1036 STRLEN sockaddrlen; 1037 struct sockaddr_in addr; 1038 SV *ip_address_sv; 1039 char * sin; 1040 if (!SvOK(sin_sv)) 1041 croak("Undefined address for %s", "Socket::unpack_sockaddr_in"); 1042 sin = SvPVbyte(sin_sv,sockaddrlen); 1043 if (sockaddrlen != sizeof(addr)) { 1044 croak("Bad arg length for %s, length is %" UVuf 1045 ", should be %" UVuf, 1046 "Socket::unpack_sockaddr_in", (UV)sockaddrlen, (UV)sizeof(addr)); 1047 } 1048 Copy(sin, &addr, sizeof(addr), char); 1049 if (addr.sin_family != AF_INET) { 1050 croak("Bad address family for %s, got %d, should be %d", 1051 "Socket::unpack_sockaddr_in", addr.sin_family, AF_INET); 1052 } 1053 ip_address_sv = newSVpvn((char *)&addr.sin_addr, sizeof(addr.sin_addr)); 1054 1055 if(GIMME_V == G_LIST) { 1056 EXTEND(SP, 2); 1057 mPUSHi(ntohs(addr.sin_port)); 1058 mPUSHs(ip_address_sv); 1059 } 1060 else { 1061 mPUSHs(ip_address_sv); 1062 } 1063 } 1064 1065 void 1066 pack_sockaddr_in6(port_sv, sin6_addr, scope_id=0, flowinfo=0) 1067 SV * port_sv 1068 SV * sin6_addr 1069 unsigned long scope_id 1070 unsigned long flowinfo 1071 CODE: 1072 { 1073 #ifdef HAS_SOCKADDR_IN6 1074 unsigned short port = 0; 1075 struct sockaddr_in6 sin6; 1076 char * addrbytes; 1077 STRLEN addrlen; 1078 if (SvOK(port_sv)) { 1079 port = SvUV(port_sv); 1080 if (SvUV(port_sv) > 0xFFFF) 1081 warn("Port number above 0xFFFF, will be truncated to %d for %s", 1082 port, "Socket::pack_sockaddr_in6"); 1083 } 1084 if (!SvOK(sin6_addr)) 1085 croak("Undefined address for %s", "Socket::pack_sockaddr_in6"); 1086 if (DO_UTF8(sin6_addr) && !sv_utf8_downgrade(sin6_addr, 1)) 1087 croak("Wide character in %s", "Socket::pack_sockaddr_in6"); 1088 addrbytes = SvPVbyte(sin6_addr, addrlen); 1089 if (addrlen != sizeof(sin6.sin6_addr)) 1090 croak("Bad arg length %s, length is %" UVuf 1091 ", should be %" UVuf, 1092 "Socket::pack_sockaddr_in6", (UV)addrlen, (UV)sizeof(sin6.sin6_addr)); 1093 Zero(&sin6, sizeof(sin6), char); 1094 sin6.sin6_family = AF_INET6; 1095 sin6.sin6_port = htons(port); 1096 sin6.sin6_flowinfo = htonl(flowinfo); 1097 Copy(addrbytes, &sin6.sin6_addr, sizeof(sin6.sin6_addr), char); 1098 # ifdef HAS_SIN6_SCOPE_ID 1099 sin6.sin6_scope_id = scope_id; 1100 # else 1101 if (scope_id != 0) 1102 warn("%s cannot represent non-zero scope_id %d", 1103 "Socket::pack_sockaddr_in6", scope_id); 1104 # endif 1105 # ifdef HAS_SOCKADDR_SA_LEN 1106 sin6.sin6_len = sizeof(sin6); 1107 # endif 1108 ST(0) = sv_2mortal(newSVpvn((char *)&sin6, sizeof(sin6))); 1109 #else 1110 PERL_UNUSED_VAR(port_sv); 1111 PERL_UNUSED_VAR(sin6_addr); 1112 ST(0) = (SV*)not_here("pack_sockaddr_in6"); 1113 #endif 1114 } 1115 1116 void 1117 unpack_sockaddr_in6(sin6_sv) 1118 SV * sin6_sv 1119 PPCODE: 1120 { 1121 #ifdef HAS_SOCKADDR_IN6 1122 STRLEN addrlen; 1123 struct sockaddr_in6 sin6; 1124 char * addrbytes; 1125 SV *ip_address_sv; 1126 if (!SvOK(sin6_sv)) 1127 croak("Undefined address for %s", "Socket::unpack_sockaddr_in6"); 1128 addrbytes = SvPVbyte(sin6_sv, addrlen); 1129 if (addrlen != sizeof(sin6)) 1130 croak("Bad arg length for %s, length is %" UVuf 1131 ", should be %" UVuf, 1132 "Socket::unpack_sockaddr_in6", (UV)addrlen, (UV)sizeof(sin6)); 1133 Copy(addrbytes, &sin6, sizeof(sin6), char); 1134 if (sin6.sin6_family != AF_INET6) 1135 croak("Bad address family for %s, got %d, should be %d", 1136 "Socket::unpack_sockaddr_in6", sin6.sin6_family, AF_INET6); 1137 ip_address_sv = newSVpvn((char *)&sin6.sin6_addr, sizeof(sin6.sin6_addr)); 1138 1139 if(GIMME_V == G_LIST) { 1140 EXTEND(SP, 4); 1141 mPUSHi(ntohs(sin6.sin6_port)); 1142 mPUSHs(ip_address_sv); 1143 # ifdef HAS_SIN6_SCOPE_ID 1144 mPUSHi(sin6.sin6_scope_id); 1145 # else 1146 mPUSHi(0); 1147 # endif 1148 mPUSHi(ntohl(sin6.sin6_flowinfo)); 1149 } 1150 else { 1151 mPUSHs(ip_address_sv); 1152 } 1153 #else 1154 PERL_UNUSED_VAR(sin6_sv); 1155 ST(0) = (SV*)not_here("pack_sockaddr_in6"); 1156 #endif 1157 } 1158 1159 void 1160 inet_ntop(af, ip_address_sv) 1161 int af 1162 SV * ip_address_sv 1163 CODE: 1164 #ifdef HAS_INETNTOP 1165 STRLEN addrlen; 1166 #ifdef AF_INET6 1167 struct in6_addr addr; 1168 char str[INET6_ADDRSTRLEN]; 1169 #else 1170 struct in_addr addr; 1171 char str[INET_ADDRSTRLEN]; 1172 #endif 1173 char *ip_address; 1174 1175 if (DO_UTF8(ip_address_sv) && !sv_utf8_downgrade(ip_address_sv, 1)) 1176 croak("Wide character in %s", "Socket::inet_ntop"); 1177 1178 ip_address = SvPVbyte(ip_address_sv, addrlen); 1179 1180 switch(af) { 1181 case AF_INET: 1182 if(addrlen != 4) 1183 croak("Bad address length for Socket::inet_ntop on AF_INET;" 1184 " got %" UVuf ", should be 4", (UV)addrlen); 1185 break; 1186 #ifdef AF_INET6 1187 case AF_INET6: 1188 if(addrlen != 16) 1189 croak("Bad address length for Socket::inet_ntop on AF_INET6;" 1190 " got %" UVuf ", should be 16", (UV)addrlen); 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_ntop", af); 1201 } 1202 1203 if(addrlen < sizeof(addr)) { 1204 Copy(ip_address, &addr, addrlen, char); 1205 Zero(((char*)&addr) + addrlen, sizeof(addr) - addrlen, char); 1206 } 1207 else { 1208 Copy(ip_address, &addr, sizeof addr, char); 1209 } 1210 inet_ntop(af, &addr, str, sizeof str); 1211 1212 ST(0) = sv_2mortal(newSVpvn(str, strlen(str))); 1213 #else 1214 PERL_UNUSED_VAR(af); 1215 PERL_UNUSED_VAR(ip_address_sv); 1216 ST(0) = (SV*)not_here("inet_ntop"); 1217 #endif 1218 1219 void 1220 inet_pton(af, host) 1221 int af 1222 const char * host 1223 CODE: 1224 #ifdef HAS_INETPTON 1225 int ok; 1226 int addrlen = 0; 1227 #ifdef AF_INET6 1228 struct in6_addr ip_address; 1229 #else 1230 struct in_addr ip_address; 1231 #endif 1232 1233 switch(af) { 1234 case AF_INET: 1235 addrlen = 4; 1236 break; 1237 #ifdef AF_INET6 1238 case AF_INET6: 1239 addrlen = 16; 1240 break; 1241 #endif 1242 default: 1243 croak("Bad address family for %s, got %d, should be" 1244 #ifdef AF_INET6 1245 " either AF_INET or AF_INET6", 1246 #else 1247 " AF_INET", 1248 #endif 1249 "Socket::inet_pton", af); 1250 } 1251 ok = (*host != '\0') && inet_pton(af, host, &ip_address); 1252 1253 ST(0) = sv_newmortal(); 1254 if (ok) { 1255 sv_setpvn( ST(0), (char *)&ip_address, addrlen); 1256 } 1257 #else 1258 PERL_UNUSED_VAR(af); 1259 PERL_UNUSED_VAR(host); 1260 ST(0) = (SV*)not_here("inet_pton"); 1261 #endif 1262 1263 void 1264 pack_ip_mreq(multiaddr, interface=&PL_sv_undef) 1265 SV * multiaddr 1266 SV * interface 1267 CODE: 1268 { 1269 #ifdef HAS_IP_MREQ 1270 struct ip_mreq mreq; 1271 char * multiaddrbytes; 1272 char * interfacebytes; 1273 STRLEN len; 1274 if (DO_UTF8(multiaddr) && !sv_utf8_downgrade(multiaddr, 1)) 1275 croak("Wide character in %s", "Socket::pack_ip_mreq"); 1276 multiaddrbytes = SvPVbyte(multiaddr, len); 1277 if (len != sizeof(mreq.imr_multiaddr)) 1278 croak("Bad arg length %s, length is %" UVuf 1279 ", should be %" UVuf, 1280 "Socket::pack_ip_mreq", (UV)len, (UV)sizeof(mreq.imr_multiaddr)); 1281 Zero(&mreq, sizeof(mreq), char); 1282 Copy(multiaddrbytes, &mreq.imr_multiaddr, sizeof(mreq.imr_multiaddr), char); 1283 if(SvOK(interface)) { 1284 if (DO_UTF8(interface) && !sv_utf8_downgrade(interface, 1)) 1285 croak("Wide character in %s", "Socket::pack_ip_mreq"); 1286 interfacebytes = SvPVbyte(interface, len); 1287 if (len != sizeof(mreq.imr_interface)) 1288 croak("Bad arg length %s, length is %" UVuf 1289 ", should be %" UVuf, 1290 "Socket::pack_ip_mreq", (UV)len, (UV)sizeof(mreq.imr_interface)); 1291 Copy(interfacebytes, &mreq.imr_interface, sizeof(mreq.imr_interface), char); 1292 } 1293 else 1294 mreq.imr_interface.s_addr = INADDR_ANY; 1295 ST(0) = sv_2mortal(newSVpvn((char *)&mreq, sizeof(mreq))); 1296 #else 1297 not_here("pack_ip_mreq"); 1298 #endif 1299 } 1300 1301 void 1302 unpack_ip_mreq(mreq_sv) 1303 SV * mreq_sv 1304 PPCODE: 1305 { 1306 #ifdef HAS_IP_MREQ 1307 struct ip_mreq mreq; 1308 STRLEN mreqlen; 1309 char * mreqbytes = SvPVbyte(mreq_sv, mreqlen); 1310 if (mreqlen != sizeof(mreq)) 1311 croak("Bad arg length for %s, length is %" UVuf 1312 ", should be %" UVuf, 1313 "Socket::unpack_ip_mreq", (UV)mreqlen, (UV)sizeof(mreq)); 1314 Copy(mreqbytes, &mreq, sizeof(mreq), char); 1315 EXTEND(SP, 2); 1316 mPUSHp((char *)&mreq.imr_multiaddr, sizeof(mreq.imr_multiaddr)); 1317 mPUSHp((char *)&mreq.imr_interface, sizeof(mreq.imr_interface)); 1318 #else 1319 not_here("unpack_ip_mreq"); 1320 #endif 1321 } 1322 1323 void 1324 pack_ip_mreq_source(multiaddr, source, interface=&PL_sv_undef) 1325 SV * multiaddr 1326 SV * source 1327 SV * interface 1328 CODE: 1329 { 1330 #if defined(HAS_IP_MREQ_SOURCE) && defined (IP_ADD_SOURCE_MEMBERSHIP) 1331 struct ip_mreq_source mreq; 1332 char * multiaddrbytes; 1333 char * sourcebytes; 1334 char * interfacebytes; 1335 STRLEN len; 1336 if (DO_UTF8(multiaddr) && !sv_utf8_downgrade(multiaddr, 1)) 1337 croak("Wide character in %s", "Socket::pack_ip_mreq_source"); 1338 multiaddrbytes = SvPVbyte(multiaddr, len); 1339 if (len != sizeof(mreq.imr_multiaddr)) 1340 croak("Bad arg length %s, length is %" UVuf 1341 ", should be %" UVuf, 1342 "Socket::pack_ip_mreq", (UV)len, (UV)sizeof(mreq.imr_multiaddr)); 1343 if (DO_UTF8(source) && !sv_utf8_downgrade(source, 1)) 1344 croak("Wide character in %s", "Socket::pack_ip_mreq_source"); 1345 if (len != sizeof(mreq.imr_sourceaddr)) 1346 croak("Bad arg length %s, length is %" UVuf 1347 ", should be %" UVuf, 1348 "Socket::pack_ip_mreq", (UV)len, (UV)sizeof(mreq.imr_sourceaddr)); 1349 sourcebytes = SvPVbyte(source, len); 1350 Zero(&mreq, sizeof(mreq), char); 1351 Copy(multiaddrbytes, &mreq.imr_multiaddr, sizeof(mreq.imr_multiaddr), char); 1352 Copy(sourcebytes, &mreq.imr_sourceaddr, sizeof(mreq.imr_sourceaddr), char); 1353 if(SvOK(interface)) { 1354 if (DO_UTF8(interface) && !sv_utf8_downgrade(interface, 1)) 1355 croak("Wide character in %s", "Socket::pack_ip_mreq"); 1356 interfacebytes = SvPVbyte(interface, len); 1357 if (len != sizeof(mreq.imr_interface)) 1358 croak("Bad arg length %s, length is %" UVuf 1359 ", should be %" UVuf, 1360 "Socket::pack_ip_mreq", (UV)len, (UV)sizeof(mreq.imr_interface)); 1361 Copy(interfacebytes, &mreq.imr_interface, sizeof(mreq.imr_interface), char); 1362 } 1363 else 1364 mreq.imr_interface.s_addr = INADDR_ANY; 1365 ST(0) = sv_2mortal(newSVpvn((char *)&mreq, sizeof(mreq))); 1366 #else 1367 PERL_UNUSED_VAR(multiaddr); 1368 PERL_UNUSED_VAR(source); 1369 not_here("pack_ip_mreq_source"); 1370 #endif 1371 } 1372 1373 void 1374 unpack_ip_mreq_source(mreq_sv) 1375 SV * mreq_sv 1376 PPCODE: 1377 { 1378 #if defined(HAS_IP_MREQ_SOURCE) && defined (IP_ADD_SOURCE_MEMBERSHIP) 1379 struct ip_mreq_source mreq; 1380 STRLEN mreqlen; 1381 char * mreqbytes = SvPVbyte(mreq_sv, mreqlen); 1382 if (mreqlen != sizeof(mreq)) 1383 croak("Bad arg length for %s, length is %" UVuf 1384 ", should be %" UVuf, 1385 "Socket::unpack_ip_mreq_source", (UV)mreqlen, (UV)sizeof(mreq)); 1386 Copy(mreqbytes, &mreq, sizeof(mreq), char); 1387 EXTEND(SP, 3); 1388 mPUSHp((char *)&mreq.imr_multiaddr, sizeof(mreq.imr_multiaddr)); 1389 mPUSHp((char *)&mreq.imr_sourceaddr, sizeof(mreq.imr_sourceaddr)); 1390 mPUSHp((char *)&mreq.imr_interface, sizeof(mreq.imr_interface)); 1391 #else 1392 PERL_UNUSED_VAR(mreq_sv); 1393 not_here("unpack_ip_mreq_source"); 1394 #endif 1395 } 1396 1397 void 1398 pack_ipv6_mreq(multiaddr, ifindex) 1399 SV * multiaddr 1400 unsigned int ifindex 1401 CODE: 1402 { 1403 #ifdef HAS_IPV6_MREQ 1404 struct ipv6_mreq mreq; 1405 char * multiaddrbytes; 1406 STRLEN len; 1407 if (DO_UTF8(multiaddr) && !sv_utf8_downgrade(multiaddr, 1)) 1408 croak("Wide character in %s", "Socket::pack_ipv6_mreq"); 1409 multiaddrbytes = SvPVbyte(multiaddr, len); 1410 if (len != sizeof(mreq.ipv6mr_multiaddr)) 1411 croak("Bad arg length %s, length is %" UVuf 1412 ", should be %" UVuf, 1413 "Socket::pack_ipv6_mreq", (UV)len, (UV)sizeof(mreq.ipv6mr_multiaddr)); 1414 Zero(&mreq, sizeof(mreq), char); 1415 Copy(multiaddrbytes, &mreq.ipv6mr_multiaddr, sizeof(mreq.ipv6mr_multiaddr), char); 1416 mreq.ipv6mr_interface = ifindex; 1417 ST(0) = sv_2mortal(newSVpvn((char *)&mreq, sizeof(mreq))); 1418 #else 1419 PERL_UNUSED_VAR(multiaddr); 1420 PERL_UNUSED_VAR(ifindex); 1421 not_here("pack_ipv6_mreq"); 1422 #endif 1423 } 1424 1425 void 1426 unpack_ipv6_mreq(mreq_sv) 1427 SV * mreq_sv 1428 PPCODE: 1429 { 1430 #ifdef HAS_IPV6_MREQ 1431 struct ipv6_mreq mreq; 1432 STRLEN mreqlen; 1433 char * mreqbytes = SvPVbyte(mreq_sv, mreqlen); 1434 if (mreqlen != sizeof(mreq)) 1435 croak("Bad arg length for %s, length is %" UVuf 1436 ", should be %" UVuf, 1437 "Socket::unpack_ipv6_mreq", (UV)mreqlen, (UV)sizeof(mreq)); 1438 Copy(mreqbytes, &mreq, sizeof(mreq), char); 1439 EXTEND(SP, 2); 1440 mPUSHp((char *)&mreq.ipv6mr_multiaddr, sizeof(mreq.ipv6mr_multiaddr)); 1441 mPUSHi(mreq.ipv6mr_interface); 1442 #else 1443 PERL_UNUSED_VAR(mreq_sv); 1444 not_here("unpack_ipv6_mreq"); 1445 #endif 1446 } 1447