#define PERL_NO_GET_CONTEXT #include "EXTERN.h" #include "perl.h" #include "XSUB.h" #include #ifdef I_SYS_TYPES # include #endif #if !defined(ultrix) /* Avoid double definition. */ # include #endif #if defined(USE_SOCKS) && defined(I_SOCKS) # include #endif #ifdef MPE # define PF_INET AF_INET # define PF_UNIX AF_UNIX # define SOCK_RAW 3 #endif #ifdef I_SYS_UN # include #endif /* XXX Configure test for #endif #if defined(__sgi) && !defined(AF_LINK) && defined(PF_LINK) && PF_LINK == AF_LNK # undef PF_LINK #endif #if defined(I_NETINET_IN) || defined(__ultrix__) # include #endif #if defined(I_NETINET_IP) # include #endif #ifdef I_NETDB # if !defined(ultrix) /* Avoid double definition. */ # include # endif #endif #ifdef I_ARPA_INET # include #endif #ifdef I_NETINET_TCP # include #endif #if defined(WIN32) && !defined(UNDER_CE) # include #endif #ifdef WIN32 /* VC 6 with its original headers doesn't know about sockaddr_storage, VC 2003 does*/ #ifndef _SS_MAXSIZE # define _SS_MAXSIZE 128 # define _SS_ALIGNSIZE (sizeof(__int64)) # define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof (short)) # define _SS_PAD2SIZE (_SS_MAXSIZE - (sizeof (short) + _SS_PAD1SIZE \ + _SS_ALIGNSIZE)) struct sockaddr_storage { short ss_family; char __ss_pad1[_SS_PAD1SIZE]; __int64 __ss_align; char __ss_pad2[_SS_PAD2SIZE]; }; typedef int socklen_t; #define in6_addr in_addr6 #define INET_ADDRSTRLEN 22 #define INET6_ADDRSTRLEN 65 #endif static int inet_pton(int af, const char *src, void *dst) { struct sockaddr_storage ss; int size = sizeof(ss); ss.ss_family = af; /* per MSDN */ if (WSAStringToAddress((char*)src, af, NULL, (struct sockaddr *)&ss, &size) != 0) return 0; switch(af) { case AF_INET: *(struct in_addr *)dst = ((struct sockaddr_in *)&ss)->sin_addr; return 1; case AF_INET6: *(struct in6_addr *)dst = ((struct sockaddr_in6 *)&ss)->sin6_addr; return 1; default: WSASetLastError(WSAEAFNOSUPPORT); return -1; } } static const char *inet_ntop(int af, const void *src, char *dst, socklen_t size) { struct sockaddr_storage ss; unsigned long s = size; ZeroMemory(&ss, sizeof(ss)); ss.ss_family = af; switch(af) { case AF_INET: ((struct sockaddr_in *)&ss)->sin_addr = *(struct in_addr *)src; break; case AF_INET6: ((struct sockaddr_in6 *)&ss)->sin6_addr = *(struct in6_addr *)src; break; default: return NULL; } /* cannot directly use &size because of strict aliasing rules */ if (WSAAddressToString((struct sockaddr *)&ss, sizeof(ss), NULL, dst, &s) != 0) return NULL; else return dst; } #define HAS_INETPTON #define HAS_INETNTOP #endif #ifdef NETWARE NETDB_DEFINE_CONTEXT NETINET_DEFINE_CONTEXT #endif #ifdef I_SYSUIO # include #endif #ifndef AF_NBS # undef PF_NBS #endif #ifndef AF_X25 # undef PF_X25 #endif #ifndef INADDR_NONE # define INADDR_NONE 0xffffffff #endif /* INADDR_NONE */ #ifndef INADDR_BROADCAST # define INADDR_BROADCAST 0xffffffff #endif /* INADDR_BROADCAST */ #ifndef INADDR_LOOPBACK # define INADDR_LOOPBACK 0x7F000001 #endif /* INADDR_LOOPBACK */ #ifndef INET_ADDRSTRLEN #define INET_ADDRSTRLEN 16 #endif #ifndef C_ARRAY_LENGTH #define C_ARRAY_LENGTH(arr) (sizeof(arr) / sizeof(*(arr))) #endif /* !C_ARRAY_LENGTH */ #ifndef PERL_UNUSED_VAR # define PERL_UNUSED_VAR(x) ((void)x) #endif /* !PERL_UNUSED_VAR */ #ifndef PERL_UNUSED_ARG # define PERL_UNUSED_ARG(x) PERL_UNUSED_VAR(x) #endif /* !PERL_UNUSED_ARG */ #ifndef Newx # define Newx(v,n,t) New(0,v,n,t) #endif /* !Newx */ #ifndef SvPVx_nolen #if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) # define SvPVx_nolen(sv) ({SV *_sv = (sv); SvPV_nolen(_sv); }) #else /* __GNUC__ */ # define SvPVx_nolen(sv) ((PL_Sv = (sv)), SvPV_nolen(PL_Sv)) #endif /* __GNU__ */ #endif /* !SvPVx_nolen */ #ifndef croak_sv # define croak_sv(sv) croak("%s", SvPVx_nolen(sv)) #endif #ifndef hv_stores # define hv_stores(hv, keystr, val) \ hv_store(hv, ""keystr"", sizeof(keystr)-1, val, 0) #endif /* !hv_stores */ #ifndef newSVpvn_flags # define newSVpvn_flags(s,len,flags) my_newSVpvn_flags(aTHX_ s,len,flags) static SV *my_newSVpvn_flags(pTHX_ const char *s, STRLEN len, U32 flags) { SV *sv = newSVpvn(s, len); SvFLAGS(sv) |= (flags & SVf_UTF8); return (flags & SVs_TEMP) ? sv_2mortal(sv) : sv; } #endif /* !newSVpvn_flags */ #ifndef SvRV_set # define SvRV_set(sv, val) (SvRV(sv) = (val)) #endif /* !SvRV_set */ #ifndef SvPV_nomg # define SvPV_nomg SvPV #endif /* !SvPV_nomg */ #ifndef HEK_FLAGS # define HEK_FLAGS(hek) 0 # define HVhek_UTF8 1 #endif /* !HEK_FLAGS */ #ifndef hv_common /* These magic numbers are arbitrarily chosen (copied from perl core in fact) * and only have to match between this definition and the code that uses them */ # define HV_FETCH_ISSTORE 0x04 # define HV_FETCH_LVALUE 0x10 # define hv_common(hv, keysv, key, klen, flags, act, val, hash) \ my_hv_common(aTHX_ hv, keysv, key, klen, flags, act, val, hash) static void *my_hv_common(pTHX_ HV *hv, SV *keysv, const char *key, STRLEN klen, int flags, int act, SV *val, U32 hash) { /* * This only handles the usage actually made by the code * generated by ExtUtils::Constant. EU:C really ought to arrange * portability of its generated code itself. */ if (!keysv) { keysv = sv_2mortal(newSVpvn(key, klen)); if (flags & HVhek_UTF8) SvUTF8_on(keysv); } if (act == HV_FETCH_LVALUE) { return (void*)hv_fetch_ent(hv, keysv, 1, hash); } else if (act == HV_FETCH_ISSTORE) { return (void*)hv_store_ent(hv, keysv, val, hash); } else { croak("panic: my_hv_common: act=0x%x", act); } } #endif /* !hv_common */ #ifndef hv_common_key_len # define hv_common_key_len(hv, key, kl, act, val, hash) \ my_hv_common_key_len(aTHX_ hv, key, kl, act, val, hash) static void *my_hv_common_key_len(pTHX_ HV *hv, const char *key, I32 kl, int act, SV *val, U32 hash) { STRLEN klen; int flags; if (kl < 0) { klen = -kl; flags = HVhek_UTF8; } else { klen = kl; flags = 0; } return hv_common(hv, NULL, key, klen, flags, act, val, hash); } #endif /* !hv_common_key_len */ #ifndef mPUSHi # define mPUSHi(i) sv_setiv_mg(PUSHs(sv_newmortal()), (IV)(i)) #endif /* !mPUSHi */ #ifndef mPUSHp # define mPUSHp(p,l) sv_setpvn_mg(PUSHs(sv_newmortal()), (p), (l)) #endif /* !mPUSHp */ #ifndef mPUSHs # define mPUSHs(s) PUSHs(sv_2mortal(s)) #endif /* !mPUSHs */ #ifndef CvCONST_on # undef newCONSTSUB # define newCONSTSUB(stash, name, val) my_newCONSTSUB(aTHX_ stash, name, val) static CV *my_newCONSTSUB(pTHX_ HV *stash, char *name, SV *val) { /* * This has to satisfy code generated by ExtUtils::Constant. * It depends on the 5.8+ layout of constant subs. It has * two calls to newCONSTSUB(): one for real constants, and one * for undefined constants. In the latter case, it turns the * initially-generated constant subs into something else, and * it needs the return value from newCONSTSUB() which Perl 5.6 * doesn't provide. */ GV *gv; CV *cv; Perl_newCONSTSUB(aTHX_ stash, name, val); ENTER; SAVESPTR(PL_curstash); PL_curstash = stash; gv = gv_fetchpv(name, 0, SVt_PVCV); cv = GvCV(gv); LEAVE; CvXSUBANY(cv).any_ptr = &PL_sv_undef; return cv; } # define CvCONST_off(cv) my_CvCONST_off(aTHX_ cv) static void my_CvCONST_off(pTHX_ CV *cv) { op_free(CvROOT(cv)); CvROOT(cv) = NULL; CvSTART(cv) = NULL; } #endif /* !CvCONST_on */ #ifndef HAS_INET_ATON /* * Check whether "cp" is a valid ascii representation * of an Internet address and convert to a binary address. * Returns 1 if the address is valid, 0 if not. * This replaces inet_addr, the return value from which * cannot distinguish between failure and a local broadcast address. */ static int my_inet_aton(register const char *cp, struct in_addr *addr) { dTHX; register U32 val; register int base; register char c; int nparts; const char *s; unsigned int parts[4]; register unsigned int *pp = parts; if (!cp || !*cp) return 0; for (;;) { /* * Collect number up to ".". * Values are specified as for C: * 0x=hex, 0=octal, other=decimal. */ val = 0; base = 10; if (*cp == '0') { if (*++cp == 'x' || *cp == 'X') base = 16, cp++; else base = 8; } while ((c = *cp) != '\0') { if (isDIGIT(c)) { val = (val * base) + (c - '0'); cp++; continue; } if (base == 16 && (s=strchr(PL_hexdigit,c))) { val = (val << 4) + ((s - PL_hexdigit) & 15); cp++; continue; } break; } if (*cp == '.') { /* * Internet format: * a.b.c.d * a.b.c (with c treated as 16-bits) * a.b (with b treated as 24 bits) */ if (pp >= parts + 3 || val > 0xff) return 0; *pp++ = val, cp++; } else break; } /* * Check for trailing characters. */ if (*cp && !isSPACE(*cp)) return 0; /* * Concoct the address according to * the number of parts specified. */ nparts = pp - parts + 1; /* force to an int for switch() */ switch (nparts) { case 1: /* a -- 32 bits */ break; case 2: /* a.b -- 8.24 bits */ if (val > 0xffffff) return 0; val |= parts[0] << 24; break; case 3: /* a.b.c -- 8.8.16 bits */ if (val > 0xffff) return 0; val |= (parts[0] << 24) | (parts[1] << 16); break; case 4: /* a.b.c.d -- 8.8.8.8 bits */ if (val > 0xff) return 0; val |= (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8); break; } addr->s_addr = htonl(val); return 1; } #undef inet_aton #define inet_aton my_inet_aton #endif /* ! HAS_INET_ATON */ /* These are not gni() constants; they're extensions for the perl API */ /* The definitions in Socket.pm and Socket.xs must match */ #define NIx_NOHOST (1 << 0) #define NIx_NOSERV (1 << 1) /* On Windows, ole2.h defines a macro called "interface". We don't need that, * and it will complicate the variables in pack_ip_mreq() etc. (RT87389) */ #undef interface /* STRUCT_OFFSET should have come from from perl.h, but if not, * roll our own (not using offsetof() since that is C99). */ #ifndef STRUCT_OFFSET # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m)) #endif static int not_here(const char *s) { croak("Socket::%s not implemented on this architecture", s); return -1; } #define PERL_IN_ADDR_S_ADDR_SIZE 4 /* * Bad assumptions possible here. * * Bad Assumption 1: struct in_addr has no other fields * than the s_addr (which is the field we care about * in here, really). However, we can be fed either 4-byte * addresses (from pack("N", ...), or va.b.c.d, or ...), * or full struct in_addrs (from e.g. pack_sockaddr_in()), * which may or may not be 4 bytes in size. * * Bad Assumption 2: the s_addr field is a simple type * (such as an int, u_int32_t). It can be a bit field, * in which case using & (address-of) on it or taking sizeof() * wouldn't go over too well. (Those are not attempted * now but in case someone thinks to change the below code * to use addr.s_addr instead of addr, you have been warned.) * * Bad Assumption 3: the s_addr is the first field in * an in_addr, or that its bytes are the first bytes in * an in_addr. * * These bad assumptions are wrong in UNICOS which has * struct in_addr { struct { u_long st_addr:32; } s_da }; * #define s_addr s_da.st_addr * and u_long is 64 bits. * * --jhi */ #include "const-c.inc" #if defined(HAS_GETADDRINFO) && !defined(HAS_GAI_STRERROR) static const char *gai_strerror(int err) { switch (err) { #ifdef EAI_ADDRFAMILY case EAI_ADDRFAMILY: return "Address family for hostname is not supported."; #endif #ifdef EAI_AGAIN case EAI_AGAIN: return "The name could not be resolved at this time."; #endif #ifdef EAI_BADFLAGS case EAI_BADFLAGS: return "The flags parameter has an invalid value."; #endif #ifdef EAI_FAIL case EAI_FAIL: return "A non-recoverable error occurred while resolving the name."; #endif #ifdef EAI_FAMILY case EAI_FAMILY: return "The address family was not recognized or length is invalid."; #endif #ifdef EAI_MEMORY case EAI_MEMORY: return "A memory allocation failure occurred."; #endif #ifdef EAI_NODATA case EAI_NODATA: return "No address is associated with the hostname."; #endif #ifdef EAI_NONAME case EAI_NONAME: return "The name does not resolve for the supplied parameters."; #endif #ifdef EAI_OVERFLOW case EAI_OVERFLOW: return "An argument buffer overflowed."; #endif #ifdef EAI_SERVICE case EAI_SERVICE: return "The service parameter was not recognized for the specified socket type."; #endif #ifdef EAI_SOCKTYPE case EAI_SOCKTYPE: return "The specified socket type was not recognized."; #endif #ifdef EAI_SYSTEM case EAI_SYSTEM: return "A system error occurred - see errno."; #endif default: return "Unknown error in getaddrinfo()."; } } #endif #ifdef HAS_GETADDRINFO static SV *err_to_SV(pTHX_ int err) { SV *ret = sv_newmortal(); (void) SvUPGRADE(ret, SVt_PVNV); if(err) { const char *error = gai_strerror(err); sv_setpv(ret, error); } else { sv_setpv(ret, ""); } SvIV_set(ret, err); SvIOK_on(ret); return ret; } static void xs_getaddrinfo(pTHX_ CV *cv) { dXSARGS; SV *host; SV *service; SV *hints; char *hostname = NULL; char *servicename = NULL; STRLEN len; struct addrinfo hints_s; struct addrinfo *res; struct addrinfo *res_iter; int err; int n_res; PERL_UNUSED_ARG(cv); if(items > 3) croak("Usage: Socket::getaddrinfo(host, service, hints)"); SP -= items; if(items < 1) host = &PL_sv_undef; else host = ST(0); if(items < 2) service = &PL_sv_undef; else service = ST(1); if(items < 3) hints = NULL; else hints = ST(2); SvGETMAGIC(host); if(SvOK(host)) { hostname = SvPV_nomg(host, len); if (!len) hostname = NULL; } SvGETMAGIC(service); if(SvOK(service)) { servicename = SvPV_nomg(service, len); if (!len) servicename = NULL; } Zero(&hints_s, sizeof(hints_s), char); hints_s.ai_family = PF_UNSPEC; if(hints && SvOK(hints)) { HV *hintshash; SV **valp; if(!SvROK(hints) || SvTYPE(SvRV(hints)) != SVt_PVHV) croak("hints is not a HASH reference"); hintshash = (HV*)SvRV(hints); if((valp = hv_fetch(hintshash, "flags", 5, 0)) != NULL && SvOK(*valp)) hints_s.ai_flags = SvIV(*valp); if((valp = hv_fetch(hintshash, "family", 6, 0)) != NULL && SvOK(*valp)) hints_s.ai_family = SvIV(*valp); if((valp = hv_fetch(hintshash, "socktype", 8, 0)) != NULL && SvOK(*valp)) hints_s.ai_socktype = SvIV(*valp); if((valp = hv_fetch(hintshash, "protocol", 8, 0)) != NULL && SvOK(*valp)) hints_s.ai_protocol = SvIV(*valp); } err = getaddrinfo(hostname, servicename, &hints_s, &res); XPUSHs(err_to_SV(aTHX_ err)); if(err) XSRETURN(1); n_res = 0; for(res_iter = res; res_iter; res_iter = res_iter->ai_next) { HV *res_hv = newHV(); (void)hv_stores(res_hv, "family", newSViv(res_iter->ai_family)); (void)hv_stores(res_hv, "socktype", newSViv(res_iter->ai_socktype)); (void)hv_stores(res_hv, "protocol", newSViv(res_iter->ai_protocol)); (void)hv_stores(res_hv, "addr", newSVpvn((char*)res_iter->ai_addr, res_iter->ai_addrlen)); if(res_iter->ai_canonname) (void)hv_stores(res_hv, "canonname", newSVpv(res_iter->ai_canonname, 0)); else (void)hv_stores(res_hv, "canonname", newSV(0)); XPUSHs(sv_2mortal(newRV_noinc((SV*)res_hv))); n_res++; } freeaddrinfo(res); XSRETURN(1 + n_res); } #endif #ifdef HAS_GETNAMEINFO static void xs_getnameinfo(pTHX_ CV *cv) { dXSARGS; SV *addr; int flags; int xflags; char host[1024]; char serv[256]; char *sa; /* we'll cast to struct sockaddr * when necessary */ STRLEN addr_len; int err; int want_host, want_serv; PERL_UNUSED_ARG(cv); if(items < 1 || items > 3) croak("Usage: Socket::getnameinfo(addr, flags=0, xflags=0)"); SP -= items; addr = ST(0); SvGETMAGIC(addr); if(items < 2) flags = 0; else flags = SvIV(ST(1)); if(items < 3) xflags = 0; else xflags = SvIV(ST(2)); want_host = !(xflags & NIx_NOHOST); want_serv = !(xflags & NIx_NOSERV); if(!SvPOKp(addr)) croak("addr is not a string"); addr_len = SvCUR(addr); /* We need to ensure the sockaddr is aligned, because a random SvPV might * not be due to SvOOK */ Newx(sa, addr_len, char); Copy(SvPV_nolen(addr), sa, addr_len, char); #ifdef HAS_SOCKADDR_SA_LEN ((struct sockaddr *)sa)->sa_len = addr_len; #endif err = getnameinfo((struct sockaddr *)sa, addr_len, want_host ? host : NULL, want_host ? sizeof(host) : 0, want_serv ? serv : NULL, want_serv ? sizeof(serv) : 0, flags); Safefree(sa); XPUSHs(err_to_SV(aTHX_ err)); if(err) XSRETURN(1); XPUSHs(want_host ? sv_2mortal(newSVpv(host, 0)) : &PL_sv_undef); XPUSHs(want_serv ? sv_2mortal(newSVpv(serv, 0)) : &PL_sv_undef); XSRETURN(3); } #endif MODULE = Socket PACKAGE = Socket INCLUDE: const-xs.inc BOOT: #ifdef HAS_GETADDRINFO newXS("Socket::getaddrinfo", xs_getaddrinfo, __FILE__); #endif #ifdef HAS_GETNAMEINFO newXS("Socket::getnameinfo", xs_getnameinfo, __FILE__); #endif void inet_aton(host) char * host CODE: { struct in_addr ip_address; struct hostent * phe; if ((*host != '\0') && inet_aton(host, &ip_address)) { ST(0) = sv_2mortal(newSVpvn((char *)&ip_address, sizeof(ip_address))); XSRETURN(1); } #ifdef HAS_GETHOSTBYNAME phe = gethostbyname(host); if (phe && phe->h_addrtype == AF_INET && phe->h_length == 4) { ST(0) = sv_2mortal(newSVpvn((char *)phe->h_addr, phe->h_length)); XSRETURN(1); } #endif XSRETURN_UNDEF; } void inet_ntoa(ip_address_sv) SV * ip_address_sv CODE: { STRLEN addrlen; struct in_addr addr; char * ip_address; if (DO_UTF8(ip_address_sv) && !sv_utf8_downgrade(ip_address_sv, 1)) croak("Wide character in %s", "Socket::inet_ntoa"); ip_address = SvPVbyte(ip_address_sv, addrlen); if (addrlen == sizeof(addr) || addrlen == 4) addr.s_addr = (ip_address[0] & 0xFF) << 24 | (ip_address[1] & 0xFF) << 16 | (ip_address[2] & 0xFF) << 8 | (ip_address[3] & 0xFF); else croak("Bad arg length for %s, length is %" UVuf ", should be %" UVuf, "Socket::inet_ntoa", (UV)addrlen, (UV)sizeof(addr)); /* We could use inet_ntoa() but that is broken * in HP-UX + GCC + 64bitint (returns "0.0.0.0"), * so let's use this sprintf() workaround everywhere. * This is also more threadsafe than using inet_ntoa(). */ ST(0) = sv_2mortal(Perl_newSVpvf(aTHX_ "%d.%d.%d.%d", /* IPv6? */ (int)((addr.s_addr >> 24) & 0xFF), (int)((addr.s_addr >> 16) & 0xFF), (int)((addr.s_addr >> 8) & 0xFF), (int)( addr.s_addr & 0xFF))); } void sockaddr_family(sockaddr) SV * sockaddr PREINIT: STRLEN sockaddr_len; char *sockaddr_pv = SvPVbyte(sockaddr, sockaddr_len); CODE: if (sockaddr_len < STRUCT_OFFSET(struct sockaddr, sa_data)) croak("Bad arg length for %s, length is %" UVuf ", should be at least %" UVuf, "Socket::sockaddr_family", (UV)sockaddr_len, (UV)STRUCT_OFFSET(struct sockaddr, sa_data)); ST(0) = sv_2mortal(newSViv(((struct sockaddr*)sockaddr_pv)->sa_family)); void pack_sockaddr_un(pathname) SV * pathname CODE: { #ifdef I_SYS_UN struct sockaddr_un sun_ad; /* fear using sun */ STRLEN len; char * pathname_pv; int addr_len; if (!SvOK(pathname)) croak("Undefined path for %s", "Socket::pack_sockaddr_un"); Zero(&sun_ad, sizeof(sun_ad), char); sun_ad.sun_family = AF_UNIX; pathname_pv = SvPV(pathname,len); if (len > sizeof(sun_ad.sun_path)) { warn("Path length (%" UVuf ") is longer than maximum supported length" " (%" UVuf ") and will be truncated", (UV)len, (UV)sizeof(sun_ad.sun_path)); len = sizeof(sun_ad.sun_path); } # ifdef OS2 /* Name should start with \socket\ and contain backslashes! */ { int off; char *s, *e; if (pathname_pv[0] != '/' && pathname_pv[0] != '\\') croak("Relative UNIX domain socket name '%s' unsupported", pathname_pv); else if (len < 8 || pathname_pv[7] != '/' && pathname_pv[7] != '\\' || !strnicmp(pathname_pv + 1, "socket", 6)) off = 7; else off = 0; /* Preserve names starting with \socket\ */ Copy("\\socket", sun_ad.sun_path, off, char); Copy(pathname_pv, sun_ad.sun_path + off, len, char); s = sun_ad.sun_path + off - 1; e = s + len + 1; while (++s < e) if (*s = '/') *s = '\\'; } # else /* !( defined OS2 ) */ Copy(pathname_pv, sun_ad.sun_path, len, char); # endif if (0) not_here("dummy"); if (len > 1 && sun_ad.sun_path[0] == '\0') { /* Linux-style abstract-namespace socket. * The name is not a file name, but an array of arbitrary * character, starting with \0 and possibly including \0s, * therefore the length of the structure must denote the * end of that character array */ addr_len = (char *)&(sun_ad.sun_path) - (char *)&sun_ad + len; } else { addr_len = sizeof(sun_ad); } # ifdef HAS_SOCKADDR_SA_LEN sun_ad.sun_len = addr_len; # endif ST(0) = sv_2mortal(newSVpvn((char *)&sun_ad, addr_len)); #else ST(0) = (SV*)not_here("pack_sockaddr_un"); #endif } void unpack_sockaddr_un(sun_sv) SV * sun_sv CODE: { #ifdef I_SYS_UN struct sockaddr_un addr; STRLEN sockaddrlen; char * sun_ad; int addr_len = 0; if (!SvOK(sun_sv)) croak("Undefined address for %s", "Socket::unpack_sockaddr_un"); sun_ad = SvPVbyte(sun_sv,sockaddrlen); # if defined(__linux__) || defined(HAS_SOCKADDR_SA_LEN) /* On Linux or *BSD sockaddrlen on sockets returned by accept, recvfrom, getpeername and getsockname is not equal to sizeof(addr). */ if (sockaddrlen < sizeof(addr)) { Copy(sun_ad, &addr, sockaddrlen, char); Zero(((char*)&addr) + sockaddrlen, sizeof(addr) - sockaddrlen, char); } else { Copy(sun_ad, &addr, sizeof(addr), char); } # ifdef HAS_SOCKADDR_SA_LEN /* In this case, sun_len must be checked */ if (sockaddrlen != addr.sun_len) croak("Invalid arg sun_len field for %s, length is %" UVuf ", but sun_len is %" UVuf, "Socket::unpack_sockaddr_un", (UV)sockaddrlen, (UV)addr.sun_len); # endif # else if (sockaddrlen != sizeof(addr)) croak("Bad arg length for %s, length is %" UVuf ", should be %" UVuf, "Socket::unpack_sockaddr_un", (UV)sockaddrlen, (UV)sizeof(addr)); Copy(sun_ad, &addr, sizeof(addr), char); # endif if (addr.sun_family != AF_UNIX) croak("Bad address family for %s, got %d, should be %d", "Socket::unpack_sockaddr_un", addr.sun_family, AF_UNIX); # ifdef __linux__ if (addr.sun_path[0] == '\0') { /* Linux-style abstract socket address begins with a nul * and can contain nuls. */ addr_len = (char *)&addr - (char *)&(addr.sun_path) + sockaddrlen; } else # endif { # if defined(HAS_SOCKADDR_SA_LEN) /* On *BSD sun_path not always ends with a '\0' */ int maxlen = addr.sun_len - 2; /* should use STRUCT_OFFSET(struct sockaddr_un, sun_path) instead of 2 */ if (maxlen > (int)sizeof(addr.sun_path)) maxlen = (int)sizeof(addr.sun_path); # else const int maxlen = (int)sizeof(addr.sun_path); # endif while (addr_len < maxlen && addr.sun_path[addr_len]) addr_len++; } ST(0) = sv_2mortal(newSVpvn(addr.sun_path, addr_len)); #else ST(0) = (SV*)not_here("unpack_sockaddr_un"); #endif } void pack_sockaddr_in(port_sv, ip_address_sv) SV * port_sv SV * ip_address_sv CODE: { struct sockaddr_in sin; struct in_addr addr; STRLEN addrlen; unsigned short port = 0; char * ip_address; if (SvOK(port_sv)) port = SvUV(port_sv); if (!SvOK(ip_address_sv)) croak("Undefined address for %s", "Socket::pack_sockaddr_in"); if (DO_UTF8(ip_address_sv) && !sv_utf8_downgrade(ip_address_sv, 1)) croak("Wide character in %s", "Socket::pack_sockaddr_in"); ip_address = SvPVbyte(ip_address_sv, addrlen); if (addrlen == sizeof(addr) || addrlen == 4) addr.s_addr = (unsigned int)(ip_address[0] & 0xFF) << 24 | (unsigned int)(ip_address[1] & 0xFF) << 16 | (unsigned int)(ip_address[2] & 0xFF) << 8 | (unsigned int)(ip_address[3] & 0xFF); else croak("Bad arg length for %s, length is %" UVuf ", should be %" UVuf, "Socket::pack_sockaddr_in", (UV)addrlen, (UV)sizeof(addr)); Zero(&sin, sizeof(sin), char); sin.sin_family = AF_INET; sin.sin_port = htons(port); sin.sin_addr.s_addr = htonl(addr.s_addr); # ifdef HAS_SOCKADDR_SA_LEN sin.sin_len = sizeof(sin); # endif ST(0) = sv_2mortal(newSVpvn((char *)&sin, sizeof(sin))); } void unpack_sockaddr_in(sin_sv) SV * sin_sv PPCODE: { STRLEN sockaddrlen; struct sockaddr_in addr; SV *ip_address_sv; char * sin; if (!SvOK(sin_sv)) croak("Undefined address for %s", "Socket::unpack_sockaddr_in"); sin = SvPVbyte(sin_sv,sockaddrlen); if (sockaddrlen != sizeof(addr)) { croak("Bad arg length for %s, length is %" UVuf ", should be %" UVuf, "Socket::unpack_sockaddr_in", (UV)sockaddrlen, (UV)sizeof(addr)); } Copy(sin, &addr, sizeof(addr), char); if (addr.sin_family != AF_INET) { croak("Bad address family for %s, got %d, should be %d", "Socket::unpack_sockaddr_in", addr.sin_family, AF_INET); } ip_address_sv = newSVpvn((char *)&addr.sin_addr, sizeof(addr.sin_addr)); if(GIMME_V == G_ARRAY) { EXTEND(SP, 2); mPUSHi(ntohs(addr.sin_port)); mPUSHs(ip_address_sv); } else { mPUSHs(ip_address_sv); } } void pack_sockaddr_in6(port_sv, sin6_addr, scope_id=0, flowinfo=0) SV * port_sv SV * sin6_addr unsigned long scope_id unsigned long flowinfo CODE: { #ifdef HAS_SOCKADDR_IN6 unsigned short port = 0; struct sockaddr_in6 sin6; char * addrbytes; STRLEN addrlen; if (SvOK(port_sv)) port = SvUV(port_sv); if (!SvOK(sin6_addr)) croak("Undefined address for %s", "Socket::pack_sockaddr_in6"); if (DO_UTF8(sin6_addr) && !sv_utf8_downgrade(sin6_addr, 1)) croak("Wide character in %s", "Socket::pack_sockaddr_in6"); addrbytes = SvPVbyte(sin6_addr, addrlen); if (addrlen != sizeof(sin6.sin6_addr)) croak("Bad arg length %s, length is %" UVuf ", should be %" UVuf, "Socket::pack_sockaddr_in6", (UV)addrlen, (UV)sizeof(sin6.sin6_addr)); Zero(&sin6, sizeof(sin6), char); sin6.sin6_family = AF_INET6; sin6.sin6_port = htons(port); sin6.sin6_flowinfo = htonl(flowinfo); Copy(addrbytes, &sin6.sin6_addr, sizeof(sin6.sin6_addr), char); # ifdef HAS_SIN6_SCOPE_ID sin6.sin6_scope_id = scope_id; # else if (scope_id != 0) warn("%s cannot represent non-zero scope_id %d", "Socket::pack_sockaddr_in6", scope_id); # endif # ifdef HAS_SOCKADDR_SA_LEN sin6.sin6_len = sizeof(sin6); # endif ST(0) = sv_2mortal(newSVpvn((char *)&sin6, sizeof(sin6))); #else PERL_UNUSED_VAR(port_sv); PERL_UNUSED_VAR(sin6_addr); ST(0) = (SV*)not_here("pack_sockaddr_in6"); #endif } void unpack_sockaddr_in6(sin6_sv) SV * sin6_sv PPCODE: { #ifdef HAS_SOCKADDR_IN6 STRLEN addrlen; struct sockaddr_in6 sin6; char * addrbytes; SV *ip_address_sv; if (!SvOK(sin6_sv)) croak("Undefined address for %s", "Socket::unpack_sockaddr_in6"); addrbytes = SvPVbyte(sin6_sv, addrlen); if (addrlen != sizeof(sin6)) croak("Bad arg length for %s, length is %" UVuf ", should be %" UVuf, "Socket::unpack_sockaddr_in6", (UV)addrlen, (UV)sizeof(sin6)); Copy(addrbytes, &sin6, sizeof(sin6), char); if (sin6.sin6_family != AF_INET6) croak("Bad address family for %s, got %d, should be %d", "Socket::unpack_sockaddr_in6", sin6.sin6_family, AF_INET6); ip_address_sv = newSVpvn((char *)&sin6.sin6_addr, sizeof(sin6.sin6_addr)); if(GIMME_V == G_ARRAY) { EXTEND(SP, 4); mPUSHi(ntohs(sin6.sin6_port)); mPUSHs(ip_address_sv); # ifdef HAS_SIN6_SCOPE_ID mPUSHi(sin6.sin6_scope_id); # else mPUSHi(0); # endif mPUSHi(ntohl(sin6.sin6_flowinfo)); } else { mPUSHs(ip_address_sv); } #else PERL_UNUSED_VAR(sin6_sv); ST(0) = (SV*)not_here("pack_sockaddr_in6"); #endif } void inet_ntop(af, ip_address_sv) int af SV * ip_address_sv CODE: #ifdef HAS_INETNTOP STRLEN addrlen; #ifdef AF_INET6 struct in6_addr addr; char str[INET6_ADDRSTRLEN]; #else struct in_addr addr; char str[INET_ADDRSTRLEN]; #endif char *ip_address; if (DO_UTF8(ip_address_sv) && !sv_utf8_downgrade(ip_address_sv, 1)) croak("Wide character in %s", "Socket::inet_ntop"); ip_address = SvPV(ip_address_sv, addrlen); switch(af) { case AF_INET: if(addrlen != 4) croak("Bad address length for Socket::inet_ntop on AF_INET;" " got %" UVuf ", should be 4", (UV)addrlen); break; #ifdef AF_INET6 case AF_INET6: if(addrlen != 16) croak("Bad address length for Socket::inet_ntop on AF_INET6;" " got %" UVuf ", should be 16", (UV)addrlen); break; #endif default: croak("Bad address family for %s, got %d, should be" #ifdef AF_INET6 " either AF_INET or AF_INET6", #else " AF_INET", #endif "Socket::inet_ntop", af); } if(addrlen < sizeof(addr)) { Copy(ip_address, &addr, addrlen, char); Zero(((char*)&addr) + addrlen, sizeof(addr) - addrlen, char); } else { Copy(ip_address, &addr, sizeof addr, char); } inet_ntop(af, &addr, str, sizeof str); ST(0) = sv_2mortal(newSVpvn(str, strlen(str))); #else PERL_UNUSED_VAR(af); PERL_UNUSED_VAR(ip_address_sv); ST(0) = (SV*)not_here("inet_ntop"); #endif void inet_pton(af, host) int af const char * host CODE: #ifdef HAS_INETPTON int ok; int addrlen = 0; #ifdef AF_INET6 struct in6_addr ip_address; #else struct in_addr ip_address; #endif switch(af) { case AF_INET: addrlen = 4; break; #ifdef AF_INET6 case AF_INET6: addrlen = 16; break; #endif default: croak("Bad address family for %s, got %d, should be" #ifdef AF_INET6 " either AF_INET or AF_INET6", #else " AF_INET", #endif "Socket::inet_pton", af); } ok = (*host != '\0') && inet_pton(af, host, &ip_address); ST(0) = sv_newmortal(); if (ok) { sv_setpvn( ST(0), (char *)&ip_address, addrlen); } #else PERL_UNUSED_VAR(af); PERL_UNUSED_VAR(host); ST(0) = (SV*)not_here("inet_pton"); #endif void pack_ip_mreq(multiaddr, interface=&PL_sv_undef) SV * multiaddr SV * interface CODE: { #ifdef HAS_IP_MREQ struct ip_mreq mreq; char * multiaddrbytes; char * interfacebytes; STRLEN len; if (DO_UTF8(multiaddr) && !sv_utf8_downgrade(multiaddr, 1)) croak("Wide character in %s", "Socket::pack_ip_mreq"); multiaddrbytes = SvPVbyte(multiaddr, len); if (len != sizeof(mreq.imr_multiaddr)) croak("Bad arg length %s, length is %" UVuf ", should be %" UVuf, "Socket::pack_ip_mreq", (UV)len, (UV)sizeof(mreq.imr_multiaddr)); Zero(&mreq, sizeof(mreq), char); Copy(multiaddrbytes, &mreq.imr_multiaddr, sizeof(mreq.imr_multiaddr), char); if(SvOK(interface)) { if (DO_UTF8(interface) && !sv_utf8_downgrade(interface, 1)) croak("Wide character in %s", "Socket::pack_ip_mreq"); interfacebytes = SvPVbyte(interface, len); if (len != sizeof(mreq.imr_interface)) croak("Bad arg length %s, length is %" UVuf ", should be %" UVuf, "Socket::pack_ip_mreq", (UV)len, (UV)sizeof(mreq.imr_interface)); Copy(interfacebytes, &mreq.imr_interface, sizeof(mreq.imr_interface), char); } else mreq.imr_interface.s_addr = INADDR_ANY; ST(0) = sv_2mortal(newSVpvn((char *)&mreq, sizeof(mreq))); #else not_here("pack_ip_mreq"); #endif } void unpack_ip_mreq(mreq_sv) SV * mreq_sv PPCODE: { #ifdef HAS_IP_MREQ struct ip_mreq mreq; STRLEN mreqlen; char * mreqbytes = SvPVbyte(mreq_sv, mreqlen); if (mreqlen != sizeof(mreq)) croak("Bad arg length for %s, length is %" UVuf ", should be %" UVuf, "Socket::unpack_ip_mreq", (UV)mreqlen, (UV)sizeof(mreq)); Copy(mreqbytes, &mreq, sizeof(mreq), char); EXTEND(SP, 2); mPUSHp((char *)&mreq.imr_multiaddr, sizeof(mreq.imr_multiaddr)); mPUSHp((char *)&mreq.imr_interface, sizeof(mreq.imr_interface)); #else not_here("unpack_ip_mreq"); #endif } void pack_ip_mreq_source(multiaddr, source, interface=&PL_sv_undef) SV * multiaddr SV * source SV * interface CODE: { #if defined(HAS_IP_MREQ_SOURCE) && defined (IP_ADD_SOURCE_MEMBERSHIP) struct ip_mreq_source mreq; char * multiaddrbytes; char * sourcebytes; char * interfacebytes; STRLEN len; if (DO_UTF8(multiaddr) && !sv_utf8_downgrade(multiaddr, 1)) croak("Wide character in %s", "Socket::pack_ip_mreq_source"); multiaddrbytes = SvPVbyte(multiaddr, len); if (len != sizeof(mreq.imr_multiaddr)) croak("Bad arg length %s, length is %" UVuf ", should be %" UVuf, "Socket::pack_ip_mreq", (UV)len, (UV)sizeof(mreq.imr_multiaddr)); if (DO_UTF8(source) && !sv_utf8_downgrade(source, 1)) croak("Wide character in %s", "Socket::pack_ip_mreq_source"); if (len != sizeof(mreq.imr_sourceaddr)) croak("Bad arg length %s, length is %" UVuf ", should be %" UVuf, "Socket::pack_ip_mreq", (UV)len, (UV)sizeof(mreq.imr_sourceaddr)); sourcebytes = SvPVbyte(source, len); Zero(&mreq, sizeof(mreq), char); Copy(multiaddrbytes, &mreq.imr_multiaddr, sizeof(mreq.imr_multiaddr), char); Copy(sourcebytes, &mreq.imr_sourceaddr, sizeof(mreq.imr_sourceaddr), char); if(SvOK(interface)) { if (DO_UTF8(interface) && !sv_utf8_downgrade(interface, 1)) croak("Wide character in %s", "Socket::pack_ip_mreq"); interfacebytes = SvPVbyte(interface, len); if (len != sizeof(mreq.imr_interface)) croak("Bad arg length %s, length is %" UVuf ", should be %" UVuf, "Socket::pack_ip_mreq", (UV)len, (UV)sizeof(mreq.imr_interface)); Copy(interfacebytes, &mreq.imr_interface, sizeof(mreq.imr_interface), char); } else mreq.imr_interface.s_addr = INADDR_ANY; ST(0) = sv_2mortal(newSVpvn((char *)&mreq, sizeof(mreq))); #else PERL_UNUSED_VAR(multiaddr); PERL_UNUSED_VAR(source); not_here("pack_ip_mreq_source"); #endif } void unpack_ip_mreq_source(mreq_sv) SV * mreq_sv PPCODE: { #if defined(HAS_IP_MREQ_SOURCE) && defined (IP_ADD_SOURCE_MEMBERSHIP) struct ip_mreq_source mreq; STRLEN mreqlen; char * mreqbytes = SvPVbyte(mreq_sv, mreqlen); if (mreqlen != sizeof(mreq)) croak("Bad arg length for %s, length is %" UVuf ", should be %" UVuf, "Socket::unpack_ip_mreq_source", (UV)mreqlen, (UV)sizeof(mreq)); Copy(mreqbytes, &mreq, sizeof(mreq), char); EXTEND(SP, 3); mPUSHp((char *)&mreq.imr_multiaddr, sizeof(mreq.imr_multiaddr)); mPUSHp((char *)&mreq.imr_sourceaddr, sizeof(mreq.imr_sourceaddr)); mPUSHp((char *)&mreq.imr_interface, sizeof(mreq.imr_interface)); #else PERL_UNUSED_VAR(mreq_sv); not_here("unpack_ip_mreq_source"); #endif } void pack_ipv6_mreq(multiaddr, ifindex) SV * multiaddr unsigned int ifindex CODE: { #ifdef HAS_IPV6_MREQ struct ipv6_mreq mreq; char * multiaddrbytes; STRLEN len; if (DO_UTF8(multiaddr) && !sv_utf8_downgrade(multiaddr, 1)) croak("Wide character in %s", "Socket::pack_ipv6_mreq"); multiaddrbytes = SvPVbyte(multiaddr, len); if (len != sizeof(mreq.ipv6mr_multiaddr)) croak("Bad arg length %s, length is %" UVuf ", should be %" UVuf, "Socket::pack_ipv6_mreq", (UV)len, (UV)sizeof(mreq.ipv6mr_multiaddr)); Zero(&mreq, sizeof(mreq), char); Copy(multiaddrbytes, &mreq.ipv6mr_multiaddr, sizeof(mreq.ipv6mr_multiaddr), char); mreq.ipv6mr_interface = ifindex; ST(0) = sv_2mortal(newSVpvn((char *)&mreq, sizeof(mreq))); #else PERL_UNUSED_VAR(multiaddr); PERL_UNUSED_VAR(ifindex); not_here("pack_ipv6_mreq"); #endif } void unpack_ipv6_mreq(mreq_sv) SV * mreq_sv PPCODE: { #ifdef HAS_IPV6_MREQ struct ipv6_mreq mreq; STRLEN mreqlen; char * mreqbytes = SvPVbyte(mreq_sv, mreqlen); if (mreqlen != sizeof(mreq)) croak("Bad arg length for %s, length is %" UVuf ", should be %" UVuf, "Socket::unpack_ipv6_mreq", (UV)mreqlen, (UV)sizeof(mreq)); Copy(mreqbytes, &mreq, sizeof(mreq), char); EXTEND(SP, 2); mPUSHp((char *)&mreq.ipv6mr_multiaddr, sizeof(mreq.ipv6mr_multiaddr)); mPUSHi(mreq.ipv6mr_interface); #else PERL_UNUSED_VAR(mreq_sv); not_here("unpack_ipv6_mreq"); #endif }