+#define PERL_NO_GET_CONTEXT
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
-#include <sys/socket.h>
+#include <stddef.h>
+
+#ifndef VMS
+# 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
+# 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
+#else
+# include "sockadapt.h"
+#endif
+
+#ifdef NETWARE
+NETDB_DEFINE_CONTEXT
+NETINET_DEFINE_CONTEXT
+#endif
+
+#ifdef I_SYSUIO
+# include <sys/uio.h>
+#endif
#ifndef AF_NBS
-#undef PF_NBS
+# undef PF_NBS
#endif
#ifndef AF_X25
-#undef PF_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
-not_here(s)
-char *s;
+my_inet_aton(register const char *cp, struct in_addr *addr)
{
- croak("Socket::%s not implemented on this architecture", s);
- return -1;
+ 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;
}
-static double
-constant(name, arg)
-char *name;
-int arg;
+#undef inet_aton
+#define inet_aton my_inet_aton
+
+#endif /* ! HAS_INET_ATON */
+
+
+static int
+not_here(char *s)
{
- 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_DONTROUTE"))
-#ifdef MSG_DONTROUTE
- 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"))
-#ifdef MSG_OOB
- return MSG_OOB;
-#else
- goto not_there;
-#endif
- if (strEQ(name, "MSG_PEEK"))
-#ifdef MSG_PEEK
- return MSG_PEEK;
-#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;
+ 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"
+
MODULE = Socket PACKAGE = Socket
-double
-constant(name,arg)
- char * name
- int arg
+INCLUDE: const-xs.inc
+
+void
+inet_aton(host)
+ char * host
+ CODE:
+ {
+ struct in_addr ip_address;
+ struct hostent * phe;
+ int ok =
+ (host != NULL) &&
+ (*host != '\0') &&
+ 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;
+ if (DO_UTF8(ip_address_sv) && !sv_utf8_downgrade(ip_address_sv, 1))
+ croak("Wide character in 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 %d, should be %d",
+ "Socket::inet_ntoa",
+ addrlen, 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(). */
+ New(1138, addr_str, 4 * 3 + 3 + 1, char); /* IPv6? */
+ sprintf(addr_str, "%d.%d.%d.%d",
+ ((addr.s_addr >> 24) & 0xFF),
+ ((addr.s_addr >> 16) & 0xFF),
+ ((addr.s_addr >> 8) & 0xFF),
+ ( addr.s_addr & 0xFF));
+ ST(0) = sv_2mortal(newSVpvn(addr_str, strlen(addr_str)));
+ Safefree(addr_str);
+ }
+
+void
+sockaddr_family(sockaddr)
+ SV * sockaddr
+ PREINIT:
+ STRLEN sockaddr_len;
+ char *sockaddr_pv = SvPVbyte(sockaddr, sockaddr_len);
+ CODE:
+ if (sockaddr_len < offsetof(struct sockaddr, sa_data)) {
+ croak("Bad arg length for %s, length is %d, should be at least %d",
+ "Socket::sockaddr_family", sockaddr_len,
+ offsetof(struct sockaddr, sa_data));
+ }
+ ST(0) = sv_2mortal(newSViv(((struct sockaddr*)sockaddr_pv)->sa_family));
+
+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);
+# ifdef OS2 /* Name should start with \socket\ and contain backslashes! */
+ {
+ int off;
+ char *s, *e;
+
+ if (pathname[0] != '/' && pathname[0] != '\\')
+ croak("Relative UNIX domain socket name '%s' unsupported", pathname);
+ else if (len < 8
+ || pathname[7] != '/' && pathname[7] != '\\'
+ || !strnicmp(pathname + 1, "socket", 6))
+ off = 7;
+ else
+ off = 0; /* Preserve names starting with \socket\ */
+ Copy( "\\socket", sun_ad.sun_path, off, char);
+ Copy( pathname, 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, sun_ad.sun_path, len, char );
+# endif
+ if (0) not_here("dummy");
+ ST(0) = sv_2mortal(newSVpvn((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 = SvPVbyte(sun_sv,sockaddrlen);
+ char * e;
+# ifndef __linux__
+ /* On Linux sockaddrlen on sockets returned by accept, recvfrom,
+ getpeername and getsockname is not equal to sizeof(addr). */
+ if (sockaddrlen != sizeof(addr)) {
+ croak("Bad arg length for %s, length is %d, should be %d",
+ "Socket::unpack_sockaddr_un",
+ sockaddrlen, sizeof(addr));
+ }
+# endif
+
+ 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 = (char*)addr.sun_path;
+ while (*e && e < (char*)addr.sun_path + sizeof addr.sun_path)
+ ++e;
+ ST(0) = sv_2mortal(newSVpvn(addr.sun_path, e - (char*)addr.sun_path));
+#else
+ ST(0) = (SV *) not_here("unpack_sockaddr_un");
+#endif
+ }
+
+void
+pack_sockaddr_in(port, ip_address_sv)
+ unsigned short port
+ SV * ip_address_sv
+ CODE:
+ {
+ struct sockaddr_in sin;
+ struct in_addr addr;
+ STRLEN addrlen;
+ char * ip_address;
+ if (DO_UTF8(ip_address_sv) && !sv_utf8_downgrade(ip_address_sv, 1))
+ croak("Wide character in Socket::pack_sockaddr_in");
+ 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 %d, should be %d",
+ "Socket::pack_sockaddr_in",
+ addrlen, 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);
+ 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;
+ unsigned short port;
+ struct in_addr ip_address;
+ char * sin = SvPVbyte(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(newSVpvn((char *)&ip_address, sizeof ip_address)));
+ }