#include "EXTERN.h" #include "perl.h" #include "XSUB.h" #ifndef VMS # ifdef I_SYS_TYPES # include # endif #include #ifdef MPE # define PF_INET AF_INET # define PF_UNIX AF_UNIX # define SOCK_RAW 3 #endif #ifdef I_SYS_UN #include #endif # ifdef I_NETINET_IN # include # endif #include #ifdef I_ARPA_INET # include #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)); }