freebsd-dev/contrib/perl5/ext/Socket/Socket.xs

891 lines
16 KiB
Plaintext

#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#ifndef VMS
# ifdef I_SYS_TYPES
# include <sys/types.h>
# endif
#include <sys/socket.h>
#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
# ifdef I_NETINET_IN
# include <netinet/in.h>
# endif
#include <netdb.h>
#ifdef I_ARPA_INET
# include <arpa/inet.h>
#endif
#else
#include "sockadapt.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 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)
{
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)
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 */
static int
not_here(char *s)
{
croak("Socket::%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_802"))
#ifdef AF_802
return AF_802;
#else
goto not_there;
#endif
if (strEQ(name, "AF_APPLETALK"))
#ifdef AF_APPLETALK
return AF_APPLETALK;
#else
goto not_there;
#endif
if (strEQ(name, "AF_CCITT"))
#ifdef AF_CCITT
return AF_CCITT;
#else
goto not_there;
#endif
if (strEQ(name, "AF_CHAOS"))
#ifdef AF_CHAOS
return AF_CHAOS;
#else
goto not_there;
#endif
if (strEQ(name, "AF_DATAKIT"))
#ifdef AF_DATAKIT
return AF_DATAKIT;
#else
goto not_there;
#endif
if (strEQ(name, "AF_DECnet"))
#ifdef AF_DECnet
return AF_DECnet;
#else
goto not_there;
#endif
if (strEQ(name, "AF_DLI"))
#ifdef AF_DLI
return AF_DLI;
#else
goto not_there;
#endif
if (strEQ(name, "AF_ECMA"))
#ifdef AF_ECMA
return AF_ECMA;
#else
goto not_there;
#endif
if (strEQ(name, "AF_GOSIP"))
#ifdef AF_GOSIP
return AF_GOSIP;
#else
goto not_there;
#endif
if (strEQ(name, "AF_HYLINK"))
#ifdef AF_HYLINK
return AF_HYLINK;
#else
goto not_there;
#endif
if (strEQ(name, "AF_IMPLINK"))
#ifdef AF_IMPLINK
return AF_IMPLINK;
#else
goto not_there;
#endif
if (strEQ(name, "AF_INET"))
#ifdef AF_INET
return AF_INET;
#else
goto not_there;
#endif
if (strEQ(name, "AF_LAT"))
#ifdef AF_LAT
return AF_LAT;
#else
goto not_there;
#endif
if (strEQ(name, "AF_MAX"))
#ifdef AF_MAX
return AF_MAX;
#else
goto not_there;
#endif
if (strEQ(name, "AF_NBS"))
#ifdef AF_NBS
return AF_NBS;
#else
goto not_there;
#endif
if (strEQ(name, "AF_NIT"))
#ifdef AF_NIT
return AF_NIT;
#else
goto not_there;
#endif
if (strEQ(name, "AF_NS"))
#ifdef AF_NS
return AF_NS;
#else
goto not_there;
#endif
if (strEQ(name, "AF_OSI"))
#ifdef AF_OSI
return AF_OSI;
#else
goto not_there;
#endif
if (strEQ(name, "AF_OSINET"))
#ifdef AF_OSINET
return AF_OSINET;
#else
goto not_there;
#endif
if (strEQ(name, "AF_PUP"))
#ifdef AF_PUP
return AF_PUP;
#else
goto not_there;
#endif
if (strEQ(name, "AF_SNA"))
#ifdef AF_SNA
return AF_SNA;
#else
goto not_there;
#endif
if (strEQ(name, "AF_UNIX"))
#ifdef AF_UNIX
return AF_UNIX;
#else
goto not_there;
#endif
if (strEQ(name, "AF_UNSPEC"))
#ifdef AF_UNSPEC
return AF_UNSPEC;
#else
goto not_there;
#endif
if (strEQ(name, "AF_X25"))
#ifdef AF_X25
return AF_X25;
#else
goto not_there;
#endif
break;
case 'B':
break;
case 'C':
break;
case 'D':
break;
case 'E':
break;
case 'F':
break;
case 'G':
break;
case 'H':
break;
case 'I':
break;
case 'J':
break;
case 'K':
break;
case 'L':
break;
case 'M':
if (strEQ(name, "MSG_CTRUNC"))
#if defined(MSG_CTRUNC) || defined(HAS_GNULIBC) /* XXX it's an enum */
return MSG_CTRUNC;
#else
goto not_there;
#endif
if (strEQ(name, "MSG_DONTROUTE"))
#if defined(MSG_DONTROUTE) || defined(HAS_GNULIBC) /* XXX it's an enum */
return MSG_DONTROUTE;
#else
goto not_there;
#endif
if (strEQ(name, "MSG_MAXIOVLEN"))
#ifdef MSG_MAXIOVLEN
return MSG_MAXIOVLEN;
#else
goto not_there;
#endif
if (strEQ(name, "MSG_OOB"))
#if defined(MSG_OOB) || defined(HAS_GNULIBC) /* XXX it's an enum */
return MSG_OOB;
#else
goto not_there;
#endif
if (strEQ(name, "MSG_PEEK"))
#if defined(MSG_PEEK) || defined(HAS_GNULIBC) /* XXX it's an enum */
return MSG_PEEK;
#else
goto not_there;
#endif
if (strEQ(name, "MSG_PROXY"))
#if defined(MSG_PROXY) || defined(HAS_GNULIBC) /* XXX it's an enum */
return MSG_PROXY;
#else
goto not_there;
#endif
break;
case 'N':
break;
case 'O':
break;
case 'P':
if (strEQ(name, "PF_802"))
#ifdef PF_802
return PF_802;
#else
goto not_there;
#endif
if (strEQ(name, "PF_APPLETALK"))
#ifdef PF_APPLETALK
return PF_APPLETALK;
#else
goto not_there;
#endif
if (strEQ(name, "PF_CCITT"))
#ifdef PF_CCITT
return PF_CCITT;
#else
goto not_there;
#endif
if (strEQ(name, "PF_CHAOS"))
#ifdef PF_CHAOS
return PF_CHAOS;
#else
goto not_there;
#endif
if (strEQ(name, "PF_DATAKIT"))
#ifdef PF_DATAKIT
return PF_DATAKIT;
#else
goto not_there;
#endif
if (strEQ(name, "PF_DECnet"))
#ifdef PF_DECnet
return PF_DECnet;
#else
goto not_there;
#endif
if (strEQ(name, "PF_DLI"))
#ifdef PF_DLI
return PF_DLI;
#else
goto not_there;
#endif
if (strEQ(name, "PF_ECMA"))
#ifdef PF_ECMA
return PF_ECMA;
#else
goto not_there;
#endif
if (strEQ(name, "PF_GOSIP"))
#ifdef PF_GOSIP
return PF_GOSIP;
#else
goto not_there;
#endif
if (strEQ(name, "PF_HYLINK"))
#ifdef PF_HYLINK
return PF_HYLINK;
#else
goto not_there;
#endif
if (strEQ(name, "PF_IMPLINK"))
#ifdef PF_IMPLINK
return PF_IMPLINK;
#else
goto not_there;
#endif
if (strEQ(name, "PF_INET"))
#ifdef PF_INET
return PF_INET;
#else
goto not_there;
#endif
if (strEQ(name, "PF_LAT"))
#ifdef PF_LAT
return PF_LAT;
#else
goto not_there;
#endif
if (strEQ(name, "PF_MAX"))
#ifdef PF_MAX
return PF_MAX;
#else
goto not_there;
#endif
if (strEQ(name, "PF_NBS"))
#ifdef PF_NBS
return PF_NBS;
#else
goto not_there;
#endif
if (strEQ(name, "PF_NIT"))
#ifdef PF_NIT
return PF_NIT;
#else
goto not_there;
#endif
if (strEQ(name, "PF_NS"))
#ifdef PF_NS
return PF_NS;
#else
goto not_there;
#endif
if (strEQ(name, "PF_OSI"))
#ifdef PF_OSI
return PF_OSI;
#else
goto not_there;
#endif
if (strEQ(name, "PF_OSINET"))
#ifdef PF_OSINET
return PF_OSINET;
#else
goto not_there;
#endif
if (strEQ(name, "PF_PUP"))
#ifdef PF_PUP
return PF_PUP;
#else
goto not_there;
#endif
if (strEQ(name, "PF_SNA"))
#ifdef PF_SNA
return PF_SNA;
#else
goto not_there;
#endif
if (strEQ(name, "PF_UNIX"))
#ifdef PF_UNIX
return PF_UNIX;
#else
goto not_there;
#endif
if (strEQ(name, "PF_UNSPEC"))
#ifdef PF_UNSPEC
return PF_UNSPEC;
#else
goto not_there;
#endif
if (strEQ(name, "PF_X25"))
#ifdef PF_X25
return PF_X25;
#else
goto not_there;
#endif
break;
case 'Q':
break;
case 'R':
break;
case 'S':
if (strEQ(name, "SOCK_DGRAM"))
#ifdef SOCK_DGRAM
return SOCK_DGRAM;
#else
goto not_there;
#endif
if (strEQ(name, "SOCK_RAW"))
#ifdef SOCK_RAW
return SOCK_RAW;
#else
goto not_there;
#endif
if (strEQ(name, "SOCK_RDM"))
#ifdef SOCK_RDM
return SOCK_RDM;
#else
goto not_there;
#endif
if (strEQ(name, "SOCK_SEQPACKET"))
#ifdef SOCK_SEQPACKET
return SOCK_SEQPACKET;
#else
goto not_there;
#endif
if (strEQ(name, "SOCK_STREAM"))
#ifdef SOCK_STREAM
return SOCK_STREAM;
#else
goto not_there;
#endif
if (strEQ(name, "SOL_SOCKET"))
#ifdef SOL_SOCKET
return SOL_SOCKET;
#else
goto not_there;
#endif
if (strEQ(name, "SOMAXCONN"))
#ifdef SOMAXCONN
return SOMAXCONN;
#else
goto not_there;
#endif
if (strEQ(name, "SO_ACCEPTCONN"))
#ifdef SO_ACCEPTCONN
return SO_ACCEPTCONN;
#else
goto not_there;
#endif
if (strEQ(name, "SO_BROADCAST"))
#ifdef SO_BROADCAST
return SO_BROADCAST;
#else
goto not_there;
#endif
if (strEQ(name, "SO_DEBUG"))
#ifdef SO_DEBUG
return SO_DEBUG;
#else
goto not_there;
#endif
if (strEQ(name, "SO_DONTLINGER"))
#ifdef SO_DONTLINGER
return SO_DONTLINGER;
#else
goto not_there;
#endif
if (strEQ(name, "SO_DONTROUTE"))
#ifdef SO_DONTROUTE
return SO_DONTROUTE;
#else
goto not_there;
#endif
if (strEQ(name, "SO_ERROR"))
#ifdef SO_ERROR
return SO_ERROR;
#else
goto not_there;
#endif
if (strEQ(name, "SO_KEEPALIVE"))
#ifdef SO_KEEPALIVE
return SO_KEEPALIVE;
#else
goto not_there;
#endif
if (strEQ(name, "SO_LINGER"))
#ifdef SO_LINGER
return SO_LINGER;
#else
goto not_there;
#endif
if (strEQ(name, "SO_OOBINLINE"))
#ifdef SO_OOBINLINE
return SO_OOBINLINE;
#else
goto not_there;
#endif
if (strEQ(name, "SO_RCVBUF"))
#ifdef SO_RCVBUF
return SO_RCVBUF;
#else
goto not_there;
#endif
if (strEQ(name, "SO_RCVLOWAT"))
#ifdef SO_RCVLOWAT
return SO_RCVLOWAT;
#else
goto not_there;
#endif
if (strEQ(name, "SO_RCVTIMEO"))
#ifdef SO_RCVTIMEO
return SO_RCVTIMEO;
#else
goto not_there;
#endif
if (strEQ(name, "SO_REUSEADDR"))
#ifdef SO_REUSEADDR
return SO_REUSEADDR;
#else
goto not_there;
#endif
if (strEQ(name, "SO_REUSEPORT"))
#ifdef SO_REUSEPORT
return SO_REUSEPORT;
#else
goto not_there;
#endif
if (strEQ(name, "SO_SNDBUF"))
#ifdef SO_SNDBUF
return SO_SNDBUF;
#else
goto not_there;
#endif
if (strEQ(name, "SO_SNDLOWAT"))
#ifdef SO_SNDLOWAT
return SO_SNDLOWAT;
#else
goto not_there;
#endif
if (strEQ(name, "SO_SNDTIMEO"))
#ifdef SO_SNDTIMEO
return SO_SNDTIMEO;
#else
goto not_there;
#endif
if (strEQ(name, "SO_TYPE"))
#ifdef SO_TYPE
return SO_TYPE;
#else
goto not_there;
#endif
if (strEQ(name, "SO_USELOOPBACK"))
#ifdef SO_USELOOPBACK
return SO_USELOOPBACK;
#else
goto not_there;
#endif
break;
case 'T':
break;
case 'U':
break;
case 'V':
break;
case 'W':
break;
case 'X':
break;
case 'Y':
break;
case 'Z':
break;
}
errno = EINVAL;
return 0;
not_there:
errno = ENOENT;
return 0;
}
MODULE = Socket PACKAGE = Socket
double
constant(name,arg)
char * name
int arg
void
inet_aton(host)
char * host
CODE:
{
struct in_addr ip_address;
struct hostent * phe;
int ok = inet_aton(host, &ip_address);
if (!ok && (phe = gethostbyname(host))) {
Copy( phe->h_addr, &ip_address, phe->h_length, char );
ok = 1;
}
ST(0) = sv_newmortal();
if (ok) {
sv_setpvn( ST(0), (char *)&ip_address, sizeof ip_address );
}
}
void
inet_ntoa(ip_address_sv)
SV * ip_address_sv
CODE:
{
STRLEN addrlen;
struct in_addr addr;
char * addr_str;
char * ip_address = SvPV(ip_address_sv,addrlen);
if (addrlen != sizeof(addr)) {
croak("Bad arg length for %s, length is %d, should be %d",
"Socket::inet_ntoa",
addrlen, sizeof(addr));
}
Copy( ip_address, &addr, sizeof addr, char );
addr_str = inet_ntoa(addr);
ST(0) = sv_2mortal(newSVpv(addr_str, strlen(addr_str)));
}
void
pack_sockaddr_un(pathname)
char * pathname
CODE:
{
#ifdef I_SYS_UN
struct sockaddr_un sun_ad; /* fear using sun */
STRLEN len;
Zero( &sun_ad, sizeof sun_ad, char );
sun_ad.sun_family = AF_UNIX;
len = strlen(pathname);
if (len > sizeof(sun_ad.sun_path))
len = sizeof(sun_ad.sun_path);
Copy( pathname, sun_ad.sun_path, len, char );
ST(0) = sv_2mortal(newSVpv((char *)&sun_ad, sizeof sun_ad));
#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 = SvPV(sun_sv,sockaddrlen);
char * e;
if (sockaddrlen != sizeof(addr)) {
croak("Bad arg length for %s, length is %d, should be %d",
"Socket::unpack_sockaddr_un",
sockaddrlen, sizeof(addr));
}
Copy( sun_ad, &addr, sizeof addr, char );
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);
}
e = addr.sun_path;
while (*e && e < addr.sun_path + sizeof addr.sun_path)
++e;
ST(0) = sv_2mortal(newSVpv(addr.sun_path, e - addr.sun_path));
#else
ST(0) = (SV *) not_here("unpack_sockaddr_un");
#endif
}
void
pack_sockaddr_in(port,ip_address)
unsigned short port
char * ip_address
CODE:
{
struct sockaddr_in sin;
Zero( &sin, sizeof sin, char );
sin.sin_family = AF_INET;
sin.sin_port = htons(port);
Copy( ip_address, &sin.sin_addr, sizeof sin.sin_addr, char );
ST(0) = sv_2mortal(newSVpv((char *)&sin, sizeof sin));
}
void
unpack_sockaddr_in(sin_sv)
SV * sin_sv
PPCODE:
{
STRLEN sockaddrlen;
struct sockaddr_in addr;
unsigned short port;
struct in_addr ip_address;
char * sin = SvPV(sin_sv,sockaddrlen);
if (sockaddrlen != sizeof(addr)) {
croak("Bad arg length for %s, length is %d, should be %d",
"Socket::unpack_sockaddr_in",
sockaddrlen, 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);
}
port = ntohs(addr.sin_port);
ip_address = addr.sin_addr;
EXTEND(SP, 2);
PUSHs(sv_2mortal(newSViv((IV) port)));
PUSHs(sv_2mortal(newSVpv((char *)&ip_address,sizeof ip_address)));
}
void
INADDR_ANY()
CODE:
{
struct in_addr ip_address;
ip_address.s_addr = htonl(INADDR_ANY);
ST(0) = sv_2mortal(newSVpv((char *)&ip_address,sizeof ip_address ));
}
void
INADDR_LOOPBACK()
CODE:
{
struct in_addr ip_address;
ip_address.s_addr = htonl(INADDR_LOOPBACK);
ST(0) = sv_2mortal(newSVpv((char *)&ip_address,sizeof ip_address));
}
void
INADDR_NONE()
CODE:
{
struct in_addr ip_address;
ip_address.s_addr = htonl(INADDR_NONE);
ST(0) = sv_2mortal(newSVpv((char *)&ip_address,sizeof ip_address));
}
void
INADDR_BROADCAST()
CODE:
{
struct in_addr ip_address;
ip_address.s_addr = htonl(INADDR_BROADCAST);
ST(0) = sv_2mortal(newSVpv((char *)&ip_address,sizeof ip_address));
}