#ifdef WIN32
#define WINVER 0x0501
#include <winsock2.h>
#include <ws2tcpip.h>
#ifndef NI_NUMERICSERV
#error Microsoft Platform SDK (Aug. 2001) or later required.
#endif
const struct in6_addr in6addr_any = IN6ADDR_ANY_INIT;
const struct in6_addr in6addr_loopback = IN6ADDR_LOOPBACK_INIT;
#define WSA_DECLARE \
WSADATA wsaData; \
int wsa = 0
#define WSA_STARTUP() \
wsa = WSAStartup(MAKEWORD(2,2), &wsaData)
#define WSA_CLEANUP() \
if (!wsa) WSACleanup()
#else /* WIN32 */
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#ifdef __KAME__
# include <sys/param.h>
# include <net/route.h>
# if (defined(__FreeBSD__) && __FreeBSD_version >= 700048) || \
(defined(__NetBSD__) && __NetBSD_Version__ >= 899002500)
# include <netipsec/ipsec.h>
# elif !defined(__OpenBSD__) && !defined(__DragonFly__)
# include <netinet6/ipsec.h>
# endif
#endif
#include <netdb.h>
#define WSA_DECLARE
#define WSA_STARTUP()
#define WSA_CLEANUP()
#endif /* WIN32 */
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include "config.h"
#if defined(HAVE_INET_NTOP) && !defined(CAN_INET_NTOP)
#undef HAVE_INET_NTOP
#endif
#ifndef HAVE_GETADDRINFO
#include "getaddrinfo.c"
#define NI_MAXHOST 1025
#define NI_MAXSERV 32
#define HAVE_GETADDRINFO 1
#endif
#ifndef HAVE_GETNAMEINFO
#include "getnameinfo.c"
#define HAVE_GETNAMEINFO 1
#endif
#ifndef HAVE_INET_NTOP
#include "inet_ntop.c"
#define HAVE_INET_NTOP 1
#endif
#ifndef HAVE_INET_PTON
#include "inet_pton.c"
#define HAVE_INET_PTON 1
#endif
#ifndef HAVE_PL_SV_UNDEF
#define PL_sv_undef sv_undef
#endif
static int
not_here(char *s)
{
croak("Socket6::%s not implemented on this architecture", s);
return -1;
}
static double
constant(char *name, int arg)
{
errno = 0;
switch (*name) {
case 'A':
if (strEQ(name, "AF_INET6"))
#ifdef AF_INET6
return AF_INET6;
#else
goto not_there;
#endif
if (strEQ(name, "AI_ADDRCONFIG"))
#ifdef AI_ADDRCONFIG
return AI_ADDRCONFIG;
#else
goto not_there;
#endif
if (strEQ(name, "AI_ALL"))
#ifdef AI_ALL
return AI_ALL;
#else
goto not_there;
#endif
if (strEQ(name, "AI_CANONNAME"))
#ifdef AI_CANONNAME
return AI_CANONNAME;
#else
goto not_there;
#endif
if (strEQ(name, "AI_NUMERICHOST"))
#ifdef AI_NUMERICHOST
return AI_NUMERICHOST;
#else
goto not_there;
#endif
if (strEQ(name, "AI_NUMERICSERV"))
#ifdef AI_NUMERICSERV
return AI_NUMERICSERV;
#else
goto not_there;
#endif
if (strEQ(name, "AI_DEFAULT"))
#ifdef AI_DEFAULT
return AI_DEFAULT;
#else
goto not_there;
#endif
if (strEQ(name, "AI_MASK"))
#ifdef AI_MASK
return AI_MASK;
#else
goto not_there;
#endif
if (strEQ(name, "AI_PASSIVE"))
#ifdef AI_PASSIVE
return AI_PASSIVE;
#else
goto not_there;
#endif
if (strEQ(name, "AI_V4MAPPED"))
#ifdef AI_V4MAPPED
return AI_V4MAPPED;
#else
goto not_there;
#endif
if (strEQ(name, "AI_V4MAPPED_CFG"))
#ifdef AI_V4MAPPED_CFG
return AI_V4MAPPED_CFG;
#else
goto not_there;
#endif
break;
case 'E':
if (strEQ(name, "EAI_ADDRFAMILY"))
#ifdef EAI_ADDRFAMILY
return EAI_ADDRFAMILY;
#else
goto not_there;
#endif
if (strEQ(name, "EAI_AGAIN"))
#ifdef EAI_AGAIN
return EAI_AGAIN;
#else
goto not_there;
#endif
if (strEQ(name, "EAI_BADFLAGS"))
#ifdef EAI_BADFLAGS
return EAI_BADFLAGS;
#else
goto not_there;
#endif
if (strEQ(name, "EAI_FAIL"))
#ifdef EAI_FAIL
return EAI_FAIL;
#else
goto not_there;
#endif
if (strEQ(name, "EAI_FAMILY"))
#ifdef EAI_FAMILY
return EAI_FAMILY;
#else
goto not_there;
#endif
if (strEQ(name, "EAI_MEMORY"))
#ifdef EAI_MEMORY
return EAI_MEMORY;
#else
goto not_there;
#endif
if (strEQ(name, "EAI_NODATA"))
#ifdef EAI_NODATA
return EAI_NODATA;
#else
goto not_there;
#endif
if (strEQ(name, "EAI_NONAME"))
#ifdef EAI_NONAME
return EAI_NONAME;
#else
goto not_there;
#endif
if (strEQ(name, "EAI_SERVICE"))
#ifdef EAI_SERVICE
return EAI_SERVICE;
#else
goto not_there;
#endif
if (strEQ(name, "EAI_SOCKTYPE"))
#ifdef EAI_SOCKTYPE
return EAI_SOCKTYPE;
#else
goto not_there;
#endif
if (strEQ(name, "EAI_SYSTEM"))
#ifdef EAI_SYSTEM
return EAI_SYSTEM;
#else
goto not_there;
#endif
if (strEQ(name, "EAI_BADHINTS"))
#ifdef EAI_BADHINTS
return EAI_BADHINTS;
#else
goto not_there;
#endif
if (strEQ(name, "EAI_PROTOCOL"))
#ifdef EAI_PROTOCOL
return EAI_PROTOCOL;
#else
goto not_there;
#endif
break;
case 'I':
if (strEQ(name, "IP_AUTH_TRANS_LEVEL"))
#ifdef IP_AUTH_TRANS_LEVEL
return IP_AUTH_TRANS_LEVEL;
#else
goto not_there;
#endif
if (strEQ(name, "IP_AUTH_NETWORK_LEVEL"))
#ifdef IP_AUTH_NETWORK_LEVEL
return IP_AUTH_NETWORK_LEVEL;
#else
goto not_there;
#endif
if (strEQ(name, "IP_ESP_TRANS_LEVEL"))
#ifdef IP_ESP_TRANS_LEVEL
return IP_ESP_TRANS_LEVEL;
#else
goto not_there;
#endif
if (strEQ(name, "IP_EPS_NETWORK_LEVEL"))
#ifdef IP_EPS_NETWORK_LEVEL
return IP_EPS_NETWORK_LEVEL;
#else
goto not_there;
#endif
if (strEQ(name, "IPPROTO_IP"))
#ifdef IPPROTO_IP
return IPPROTO_IP;
#else
goto not_there;
#endif
if (strEQ(name, "IPPROTO_IPV6"))
#ifdef IPPROTO_IPV6
return IPPROTO_IPV6;
#else
goto not_there;
#endif
if (strEQ(name, "IPSEC_LEVEL_AVAIL"))
#ifdef IPSEC_LEVEL_AVAIL
return IPSEC_LEVEL_AVAIL;
#else
goto not_there;
#endif
if (strEQ(name, "IPSEC_LEVEL_BYPASS"))
#ifdef IPSEC_LEVEL_BYPASS
return IPSEC_LEVEL_BYPASS;
#else
goto not_there;
#endif
if (strEQ(name, "IPSEC_LEVEL_DEFAULT"))
#ifdef IPSEC_LEVEL_DEFAULT
return IPSEC_LEVEL_DEFAULT;
#else
goto not_there;
#endif
if (strEQ(name, "IPSEC_LEVEL_NONE"))
#ifdef IPSEC_LEVEL_NONE
return IPSEC_LEVEL_NONE;
#else
goto not_there;
#endif
if (strEQ(name, "IPSEC_LEVEL_REQUIRE"))
#ifdef IPSEC_LEVEL_REQUIRE
return IPSEC_LEVEL_REQUIRE;
#else
goto not_there;
#endif
if (strEQ(name, "IPSEC_LEVEL_UNIQUE"))
#ifdef IPSEC_LEVEL_UNIQUE
return IPSEC_LEVEL_UNIQUE;
#else
goto not_there;
#endif
if (strEQ(name, "IPSEC_LEVEL_USE"))
#ifdef IPSEC_LEVEL_USE
return IPSEC_LEVEL_USE;
#else
goto not_there;
#endif
if (strEQ(name, "IPV6_AUTH_TRANS_LEVEL"))
#ifdef IPV6_AUTH_TRANS_LEVEL
return IPV6_AUTH_TRANS_LEVEL;
#else
goto not_there;
#endif
if (strEQ(name, "IPV6_AUTH_NETWORK_LEVEL"))
#ifdef IPV6_AUTH_NETWORK_LEVEL
return IPV6_AUTH_NETWORK_LEVEL;
#else
goto not_there;
#endif
if (strEQ(name, "IPV6_ESP_TRANS_LEVEL"))
#ifdef IPV6_ESP_TRANS_LEVEL
return IPV6_ESP_TRANS_LEVEL;
#else
goto not_there;
#endif
if (strEQ(name, "IPV6_EPS_NETWORK_LEVEL"))
#ifdef IPV6_EPS_NETWORK_LEVEL
return IPV6_EPS_NETWORK_LEVEL;
#else
goto not_there;
#endif
break;
case 'N':
if (strEQ(name, "NI_NOFQDN"))
#ifdef NI_NOFQDN
return NI_NOFQDN;
#else
goto not_there;
#endif
if (strEQ(name, "NI_NUMERICHOST"))
#ifdef NI_NUMERICHOST
return NI_NUMERICHOST;
#else
goto not_there;
#endif
if (strEQ(name, "NI_NAMEREQD"))
#ifdef NI_NAMEREQD
return NI_NAMEREQD;
#else
goto not_there;
#endif
if (strEQ(name, "NI_NUMERICSERV"))
#ifdef NI_NUMERICSERV
return NI_NUMERICSERV;
#else
goto not_there;
#endif
if (strEQ(name, "NI_DGRAM"))
#ifdef NI_DGRAM
return NI_DGRAM;
#else
goto not_there;
#endif
if (strEQ(name, "NI_WITHSCOPEID"))
#ifdef NI_WITHSCOPEID
return NI_WITHSCOPEID;
#else
goto not_there;
#endif
break;
case 'P':
if (strEQ(name, "PF_INET6"))
#ifdef PF_INET6
return PF_INET6;
#else
goto not_there;
#endif
break;
}
errno = EINVAL;
return 0;
not_there:
errno = ENOENT;
return 0;
}
MODULE = Socket6 PACKAGE = Socket6
double
constant(name,arg)
char * name
int arg
void
gethostbyname2(host, af)
char * host;
int af;
PPCODE:
{
#ifdef HAVE_GETHOSTBYNAME2
struct hostent *phe;
int count, i;
if ((phe = gethostbyname2(host, af)) != NULL) {
for (count = 0; phe->h_addr_list[count]; ++count);
EXTEND(sp, 4 + count);
PUSHs(sv_2mortal(newSVpv((char *) phe->h_name,
strlen(phe->h_name))));
PUSHs(sv_2mortal(newSVpv((char *) phe->h_aliases,
sizeof(char *))));
PUSHs(sv_2mortal(newSViv((IV) phe->h_addrtype)));
PUSHs(sv_2mortal(newSViv((IV) phe->h_length)));
for (i = 0; i < count; ++i) {
PUSHs(sv_2mortal(newSVpv((char *)phe->h_addr_list[i],
phe->h_length)));
}
}
#else
ST(0) = (SV *) not_here("gethostbyname2");
#endif
}
void
inet_pton(af, host)
int af
char * host
CODE:
{
#ifdef HAVE_INET_PTON
union {
#ifdef INET6_ADDRSTRLEN
struct in6_addr addr6;
#endif
struct in_addr addr4;
} ip_address;
int len;
int ok;
switch (af) {
#ifdef INET6_ADDRSTRLEN
case AF_INET6:
len = sizeof(struct in6_addr);
break;
#endif
case AF_INET:
len = sizeof(struct in_addr);
break;
default:
croak("Bad address family for %s, got %d",
"Socket6::inet_pton", af);
break;
}
ok = inet_pton(af, host, &ip_address);
ST(0) = sv_newmortal();
if (ok == 1) {
sv_setpvn( ST(0), (char *)&ip_address, len );
}
#else
ST(0) = (SV *) not_here("inet_pton");
#endif
}
void
inet_ntop(af, address_sv)
int af
SV * address_sv
CODE:
{
#ifdef HAVE_INET_NTOP
STRLEN addrlen, alen;
#ifdef INET6_ADDRSTRLEN
struct in6_addr addr;
char addr_str[INET6_ADDRSTRLEN];
#else
struct in_addr addr;
char addr_str[16];
#endif
char * address = SvPV(address_sv,addrlen);
switch (af) {
case AF_INET:
alen = sizeof(struct in_addr);
break;
#ifdef INET6_ADDRSTRLEN
case AF_INET6:
alen = sizeof(struct in6_addr);
break;
#endif
default:
croak("Unsupported address family for %s, af is %d",
"Socket6::inet_ntop", af);
}
if (alen > sizeof(addr) || alen != addrlen) {
croak("Bad arg length for %s, length is %d, should be %d",
"Socket6::inet_ntop",
addrlen, alen);
}
Copy( address, &addr, alen, char );
addr_str[0] = 0;
inet_ntop(af, &addr, addr_str, sizeof addr_str);
ST(0) = sv_2mortal(newSVpv(addr_str, strlen(addr_str)));
#else
ST(0) = (SV *) not_here("inet_ntop");
#endif
}
void
pack_sockaddr_in6(port,ip6_address)
unsigned short port
char * ip6_address
CODE:
{
#ifdef INET6_ADDRSTRLEN
struct sockaddr_in6 sin;
Zero( &sin, sizeof sin, char );
#ifdef SIN6_LEN
sin.sin6_len = sizeof sin;
#endif
sin.sin6_family = AF_INET6;
sin.sin6_port = htons(port);
Copy( ip6_address, &sin.sin6_addr, sizeof sin.sin6_addr, char );
ST(0) = sv_2mortal(newSVpv((char *)&sin, sizeof sin));
#else
ST(0) = (SV *) not_here("pack_sockaddr_in6");
#endif
}
void
pack_sockaddr_in6_all(port,flowinfo,ip6_address,scope_id)
unsigned short port
unsigned long flowinfo
char * ip6_address
unsigned long scope_id
CODE:
{
#ifdef INET6_ADDRSTRLEN
struct sockaddr_in6 sin;
Zero( &sin, sizeof sin, char );
#ifdef SIN6_LEN
sin.sin6_len = sizeof sin;
#endif
sin.sin6_family = AF_INET6;
sin.sin6_port = htons(port);
sin.sin6_flowinfo = htonl(flowinfo);
Copy( ip6_address, &sin.sin6_addr, sizeof sin.sin6_addr, char );
#ifdef HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID
sin.sin6_scope_id = scope_id;
#endif
ST(0) = sv_2mortal(newSVpv((char *)&sin, sizeof sin));
#else
ST(0) = (SV *) not_here("pack_sockaddr_in6_all");
#endif
}
void
unpack_sockaddr_in6(sin_sv)
SV * sin_sv
PPCODE:
{
#ifdef INET6_ADDRSTRLEN
STRLEN sockaddrlen;
struct sockaddr_in6 addr;
unsigned short port;
struct in6_addr ip6_address;
char * sin = SvPV(sin_sv,sockaddrlen);
if (sockaddrlen != sizeof(addr)) {
croak("Bad arg length for %s, length is %d, should be %d",
"Socket6::unpack_sockaddr_in6",
sockaddrlen, sizeof(addr));
}
Copy( sin, &addr,sizeof addr, char );
if ( addr.sin6_family != AF_INET6 ) {
croak("Bad address family for %s, got %d, should be %d",
"Socket6::unpack_sockaddr_in6",
addr.sin6_family,
AF_INET6);
}
port = ntohs(addr.sin6_port);
ip6_address = addr.sin6_addr;
EXTEND(sp, 2);
PUSHs(sv_2mortal(newSViv((IV) port)));
PUSHs(sv_2mortal(newSVpv((char *)&ip6_address,sizeof ip6_address)));
#else
ST(0) = (SV *) not_here("unpack_sockaddr_in6");
#endif
}
void
unpack_sockaddr_in6_all(sin_sv)
SV * sin_sv
PPCODE:
{
#ifdef INET6_ADDRSTRLEN
STRLEN sockaddrlen;
struct sockaddr_in6 addr;
unsigned short port;
unsigned long flowinfo;
struct in6_addr ip6_address;
unsigned long scope_id;
char * sin = SvPV(sin_sv,sockaddrlen);
if (sockaddrlen != sizeof(addr)) {
croak("Bad arg length for %s, length is %d, should be %d",
"Socket6::unpack_sockaddr_in6",
sockaddrlen, sizeof(addr));
}
Copy( sin, &addr,sizeof addr, char );
if ( addr.sin6_family != AF_INET6 ) {
croak("Bad address family for %s, got %d, should be %d",
"Socket6::unpack_sockaddr_in6",
addr.sin6_family,
AF_INET6);
}
port = ntohs(addr.sin6_port);
flowinfo = ntohl(addr.sin6_flowinfo);
ip6_address = addr.sin6_addr;
#ifdef HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID
scope_id = addr.sin6_scope_id;
#else
scope_id = 0;
#endif
EXTEND(sp, 5);
PUSHs(sv_2mortal(newSViv((IV) port)));
PUSHs(sv_2mortal(newSViv((IV) flowinfo)));
PUSHs(sv_2mortal(newSVpv((char *)&ip6_address,sizeof ip6_address)));
PUSHs(sv_2mortal(newSViv((IV) scope_id)));
#else
ST(0) = (SV *) not_here("unpack_sockaddr_in6_all");
#endif
}
void
in6addr_any()
CODE:
{
#ifdef INET6_ADDRSTRLEN
ST(0) = sv_2mortal(newSVpv((char *)&in6addr_any, sizeof in6addr_any));
#else
ST(0) = (SV *) not_here("in6addr_any");
#endif
}
void
in6addr_loopback()
CODE:
{
#ifdef INET6_ADDRSTRLEN
ST(0) = sv_2mortal(newSVpv((char *)&in6addr_loopback,
sizeof in6addr_loopback));
#else
ST(0) = (SV *) not_here("in6addr_loopback");
#endif
}
void
getaddrinfo(host,port,family=0,socktype=0,protocol=0,flags=0)
char * host
char * port
int family
int socktype
int protocol
int flags
PPCODE:
{
#ifdef HAVE_GETADDRINFO
struct addrinfo hints, * res;
int err;
int count;
const char *error;
WSA_DECLARE;
Zero( &hints, sizeof hints, char );
hints.ai_flags = flags;
hints.ai_family = family;
hints.ai_socktype = socktype;
hints.ai_protocol = protocol;
WSA_STARTUP();
err = getaddrinfo(*host ? host : 0, *port ? port : 0, &hints, &res);
WSA_CLEANUP();
if (err == 0) {
struct addrinfo * p;
count = 0;
for (p = res; p; p = p->ai_next)
++count;
EXTEND(sp, 5 * count);
for (p = res; p; p = p->ai_next) {
PUSHs(sv_2mortal(newSViv((IV) p->ai_family)));
PUSHs(sv_2mortal(newSViv((IV) p->ai_socktype)));
PUSHs(sv_2mortal(newSViv((IV) p->ai_protocol)));
PUSHs(sv_2mortal(newSVpv((char *)p->ai_addr,
p->ai_addrlen)));
if (p->ai_canonname)
PUSHs(sv_2mortal(newSVpv((char *)p->ai_canonname,
strlen(p->ai_canonname))));
else
PUSHs(&PL_sv_undef);
}
freeaddrinfo(res);
} else {
SV *error_sv = sv_newmortal();
SvUPGRADE(error_sv, SVt_PVNV);
error = gai_strerror(err);
sv_setpv(error_sv, error);
SvIV_set(error_sv, err); SvIOK_on(error_sv);
PUSHs(error_sv);
}
#else
ST(0) = (SV *) not_here("getaddrinfo");
#endif
}
void
getnameinfo(sin_sv, flags = 0)
SV * sin_sv
int flags;
PPCODE:
{
#ifdef HAVE_GETNAMEINFO
STRLEN sockaddrlen;
struct sockaddr * sin = (struct sockaddr *)SvPV(sin_sv,sockaddrlen);
char host[NI_MAXHOST];
char port[NI_MAXSERV];
int err;
const char *error;
WSA_DECLARE;
WSA_STARTUP();
if (items < 2) {
err = getnameinfo(sin, sockaddrlen, host, sizeof host,
port, sizeof port, 0);
if (err)
err = getnameinfo(sin, sockaddrlen, host, sizeof host,
port, sizeof port, NI_NUMERICSERV);
if (err)
err = getnameinfo(sin, sockaddrlen, host, sizeof host,
port, sizeof port, NI_NUMERICHOST);
if (err)
err = getnameinfo(sin, sockaddrlen, host, sizeof host,
port, sizeof port,
NI_NUMERICHOST|NI_NUMERICSERV);
} else {
err = getnameinfo(sin, sockaddrlen, host, sizeof host,
port, sizeof port, flags);
}
WSA_CLEANUP();
if (err == 0) {
EXTEND(sp, 2);
PUSHs(sv_2mortal(newSVpv(host, strlen(host))));
PUSHs(sv_2mortal(newSVpv(port, strlen(port))));
} else {
SV *error_sv = sv_newmortal();
SvUPGRADE(error_sv, SVt_PVNV);
error = gai_strerror(err);
sv_setpv(error_sv, error);
SvIV_set(error_sv, err); SvIOK_on(error_sv);
PUSHs(error_sv);
}
#else
ST(0) = (SV *) not_here("getnameinfo");
#endif
}
char *
gai_strerror(errcode = 0)
int errcode;
CODE:
RETVAL = (char *)gai_strerror(errcode);
OUTPUT:
RETVAL
void
getipnodebyname(hostname, family=0, flags=0)
char * hostname
int family
int flags
PREINIT:
#ifdef HAVE_GETIPNODEBYNAME
struct hostent *he;
int err;
char **p;
SV *temp, *address_ref, *alias_ref;
AV *address_list, *alias_list;
#endif
PPCODE:
{
#ifdef HAVE_GETIPNODEBYNAME
he = getipnodebyname(hostname, family, flags, &err);
if (err == 0) {
XPUSHs(sv_2mortal(newSVpv(he->h_name, strlen(he->h_name))));
XPUSHs(sv_2mortal(newSViv(he->h_addrtype)));
XPUSHs(sv_2mortal(newSViv(he->h_length)));
address_list = newAV();
for(p = he->h_addr_list; *p != NULL; p++) {
temp = newSVpv(*p, he->h_length);
av_push(address_list, temp);
}
address_ref = newRV_noinc((SV*) address_list);
XPUSHs(address_ref);
alias_list = newAV();
for(p = he->h_aliases; *p != NULL; p++) {
temp = newSVpv(*p, strlen(*p));
av_push(alias_list, temp);
}
alias_ref = newRV_noinc((SV*) alias_list);
XPUSHs(alias_ref);
freehostent(he);
} else {
XPUSHs(sv_2mortal(newSViv(err)));
}
#else
ST(0) = (SV *) not_here("getipnodebyname");
#endif
}
void
getipnodebyaddr(family, address_sv)
int family
SV * address_sv
PREINIT:
#ifdef HAVE_GETIPNODEBYADDR
STRLEN addrlen;
struct hostent *he;
int err, alen;
char **p;
SV *temp, *address_ref, *alias_ref;
AV *address_list, *alias_list;
struct in6_addr addr;
char *addr_buffer;
#endif
PPCODE:
{
#ifdef HAVE_GETIPNODEBYADDR
addr_buffer = SvPV(address_sv, addrlen);
switch(family) {
case AF_INET:
alen = sizeof(struct in_addr);
break;
case AF_INET6:
alen = sizeof(struct in6_addr);
break;
default:
croak("Unsupported address family for %s, af is %d",
"Socket6::getipnodebyaddr", family);
}
if (alen > sizeof(addr) || alen != addrlen) {
croak("Arg length mismatch in %s, length is %d, should be %d\n",
"Socket6::getipnodebyaddr", addrlen, alen);
}
Copy(addr_buffer, &addr, sizeof(addr), char);
he = getipnodebyaddr(addr_buffer, alen, family, &err);
if (err == 0) {
XPUSHs(sv_2mortal(newSVpv(he->h_name, strlen(he->h_name))));
XPUSHs(sv_2mortal(newSViv(he->h_addrtype)));
XPUSHs(sv_2mortal(newSViv(he->h_length)));
address_list = newAV();
for(p = he->h_addr_list; *p != NULL; p++) {
temp = newSVpv(*p, he->h_length);
av_push(address_list, temp);
}
address_ref = newRV_noinc((SV*) address_list);
XPUSHs(address_ref);
alias_list = newAV();
for(p = he->h_aliases; *p != NULL; p++) {
temp = newSVpv(*p, strlen(*p));
av_push(alias_list, temp);
}
alias_ref = newRV_noinc((SV*) alias_list);
XPUSHs(alias_ref);
freehostent(he);
} else {
XPUSHs(sv_2mortal(newSViv(err)));
}
#else
ST(0) = (SV *) not_here("getipnodebyaddr");
#endif
}