#define PERL_NO_GET_CONTEXT
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include <stddef.h>
#ifdef I_SYS_TYPES
# include <sys/types.h>
#endif
#if !defined(ultrix) /* Avoid double definition. */
# include <sys/socket.h>
#endif
#if defined(USE_SOCKS) && defined(I_SOCKS)
# include <socks.h>
#endif
#ifdef MPE
# define PF_INET AF_INET
# define PF_UNIX AF_UNIX
# define SOCK_RAW 3
#endif
#ifdef I_SYS_UN
# include <sys/un.h>
#endif
/* XXX Configure test for <netinet/in_systm.h needed XXX */
#if defined(NeXT) || defined(__NeXT__)
# include <netinet/in_systm.h>
#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 <netinet/in.h>
#endif
#if defined(I_NETINET_IP)
# include <netinet/ip.h>
#endif
#ifdef I_NETDB
# if !defined(ultrix) /* Avoid double definition. */
# include <netdb.h>
# endif
#endif
#ifdef I_ARPA_INET
# include <arpa/inet.h>
#endif
#ifdef I_NETINET_TCP
# include <netinet/tcp.h>
#endif
#if defined(WIN32) && !defined(UNDER_CE)
# include <ws2tcpip.h>
#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
/*
* Under Windows, sockaddr_un is defined in afunix.h. Unfortunately
* MinGW and SDKs older than 10.0.17063.0 don't have it, so we have to
* define it here. Don't worry, it's portable. Windows has ironclad ABI
* stability guarantees which means that the definitions will *never*
* change.
*/
#ifndef UNIX_PATH_MAX
#define UNIX_PATH_MAX 108
struct sockaddr_un
{
USHORT sun_family;
char sun_path[UNIX_PATH_MAX];
};
#endif
/*
* The Windows implementations of inet_ntop and inet_pton are available
* whenever (and only when) InetNtopA is defined.
* Use those implementations whenever they are available.
* Else use the implementations provided below.
*/
#ifndef InetNtopA
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;
}
#endif /* InetNtopA not defined */
#define HAS_INETPTON
#define HAS_INETNTOP
#endif
#ifdef NETWARE
NETDB_DEFINE_CONTEXT
NETINET_DEFINE_CONTEXT
#endif
#ifdef I_SYSUIO
# include <sys/uio.h>
#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 SvPVbyte_nomg
# define SvPVbyte_nomg SvPV
#endif /* !SvPVbyte_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 G_LIST
# define G_LIST G_ARRAY
#endif /* !G_LIST */
#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(const char *cp, struct in_addr *addr)
{
dTHX;
U32 val;
int base;
char c;
int nparts;
const char *s;
unsigned int parts[4];
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 SV *
not_here(const char *s)
{
croak("Socket::%s not implemented on this architecture", s);
return NULL;
}
#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 = SvPVbyte_nomg(host, len);
if (!len)
hostname = NULL;
}
SvGETMAGIC(service);
if(SvOK(service)) {
servicename = SvPVbyte_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,
#ifdef OS390 /* This OS requires both parameters to be non-NULL */
host, sizeof(host),
serv, sizeof(serv),
#else
want_host ? host : NULL, want_host ? sizeof(host) : 0,
want_serv ? serv : NULL, want_serv ? sizeof(serv) : 0,
#endif
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:
{
#ifdef HAS_GETADDRINFO
struct addrinfo *res;
struct addrinfo hints = {0};
hints.ai_family = AF_INET;
if (!getaddrinfo(host, NULL, &hints, &res)) {
ST(0) = sv_2mortal(newSVpvn(
(char *)&(((struct sockaddr_in *)res->ai_addr)->sin_addr.s_addr),
4));
freeaddrinfo(res);
XSRETURN(1);
}
#else
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
/* gethostbyname is not thread-safe */
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 /* HAS_GETHOSTBYNAME */
#endif /* HAS_GETADDRINFO */
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 =
(unsigned long)(ip_address[0] & 0xFF) << 24 |
(unsigned long)(ip_address[1] & 0xFF) << 16 |
(unsigned long)(ip_address[2] & 0xFF) << 8 |
(unsigned long)(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:
{
#if defined(I_SYS_UN) || defined(WIN32)
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 = SvPVbyte(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) = not_here("pack_sockaddr_un");
#endif
}
void
unpack_sockaddr_un(sun_sv)
SV * sun_sv
CODE:
{
#if defined(I_SYS_UN) || defined(WIN32)
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(__CYGWIN__) || defined(sun) || defined(HAS_SOCKADDR_SA_LEN)
/* On Linux, Cygwin, Solaris 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) = 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;
SvGETMAGIC(port_sv);
if (SvOK(port_sv)) {
port = SvUV_nomg(port_sv);
if (SvUV_nomg(port_sv) > 0xFFFF)
warn("Port number above 0xFFFF, will be truncated to %d for %s",
port, "Socket::pack_sockaddr_in");
}
SvGETMAGIC(ip_address_sv);
if (!SvOK(ip_address_sv))
croak("Undefined address for %s", "Socket::pack_sockaddr_in");
ip_address = SvPVbyte_nomg(ip_address_sv, addrlen);
if (DO_UTF8(ip_address_sv) && !sv_utf8_downgrade(ip_address_sv, 1))
croak("Wide character in %s", "Socket::pack_sockaddr_in");
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_LIST) {
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;
SvGETMAGIC(port_sv);
if (SvOK(port_sv)) {
port = SvUV_nomg(port_sv);
if (SvUV_nomg(port_sv) > 0xFFFF)
warn("Port number above 0xFFFF, will be truncated to %d for %s",
port, "Socket::pack_sockaddr_in6");
}
SvGETMAGIC(sin6_addr);
if (!SvOK(sin6_addr))
croak("Undefined address for %s", "Socket::pack_sockaddr_in6");
addrbytes = SvPVbyte_nomg(sin6_addr, addrlen);
if (DO_UTF8(sin6_addr) && !sv_utf8_downgrade(sin6_addr, 1))
croak("Wide character in %s", "Socket::pack_sockaddr_in6");
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) = 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_LIST) {
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) = 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 = SvPVbyte(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:
#ifdef AF_INET6
# define WANT_FAMILY "either AF_INET or AF_INET6"
#else
# define WANT_FAMILY "AF_INET"
#endif
croak("Bad address family for %s, got %d, should be " WANT_FAMILY,
"Socket::inet_ntop", af);
#undef WANT_FAMILY
}
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) = 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:
#ifdef AF_INET6
# define WANT_FAMILY "either AF_INET or AF_INET6"
#else
# define WANT_FAMILY "AF_INET"
#endif
croak("Bad address family for %s, got %d, should be " WANT_FAMILY, "Socket::inet_pton", af);
#undef WANT_FAMILY
}
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) = 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
}