Change sense from "incomplete" to "implemented but needs more work" in perlunicode.pod
[p5sagit/p5-mst-13.2.git] / ext / Socket / Socket.xs
index 6c39557..e089829 100644 (file)
@@ -1,3 +1,4 @@
+#define PERL_NO_GET_CONTEXT
 #include "EXTERN.h"
 #include "perl.h"
 #include "XSUB.h"
 # ifdef I_SYS_TYPES
 #  include <sys/types.h>
 # endif
-#include <sys/socket.h>
-#ifdef I_SYS_UN
-#include <sys/un.h>
-#endif
+# include <sys/socket.h>
+# 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
 # ifdef I_NETINET_IN
 #  include <netinet/in.h>
 # endif
-#include <netdb.h>
-#include <arpa/inet.h>
+# ifdef I_NETDB
+#  include <netdb.h>
+# endif
+# ifdef I_ARPA_INET
+#  include <arpa/inet.h>
+# endif
+# ifdef I_NETINET_TCP
+#  include <netinet/tcp.h>
+# endif
 #else
-#include "sockadapt.h"
+# include "sockadapt.h"
+#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
+# define INADDR_NONE   0xffffffff
 #endif /* INADDR_NONE */
+#ifndef INADDR_BROADCAST
+# define INADDR_BROADCAST      0xffffffff
+#endif /* INADDR_BROADCAST */
 #ifndef INADDR_LOOPBACK
-#define INADDR_LOOPBACK         0x7F000001
+# 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)
+{
+       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)
+               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(s)
-char *s;
+not_here(char *s)
 {
     croak("Socket::%s not implemented on this architecture", s);
     return -1;
 }
 
 static double
-constant(name, arg)
-char *name;
-int arg;
+constant(char *name, int arg)
 {
     errno = 0;
     switch (*name) {
@@ -211,6 +340,18 @@ int arg;
     case 'H':
        break;
     case 'I':
+       if (strEQ(name, "IOV_MAX"))
+#ifdef IOV_MAX
+           return IOV_MAX;
+#else
+           goto not_there;
+#endif
+       if (strEQ(name, "IPPROTO_TCP"))
+#ifdef IPPROTO_TCP
+           return IPPROTO_TCP;
+#else
+           goto not_there;
+#endif
        break;
     case 'J':
        break;
@@ -219,30 +360,126 @@ int arg;
     case 'L':
        break;
     case 'M':
+       if (strEQ(name, "MSG_BCAST"))
+#ifdef MSG_BCAST
+           return MSG_BCAST;
+#else
+           goto not_there;
+#endif
+       if (strEQ(name, "MSG_CTLFLAGS"))
+#ifdef MSG_CTLFLAGS
+           return MSG_CTLFLAGS;
+#else
+           goto not_there;
+#endif
+       if (strEQ(name, "MSG_CTLIGNORE"))
+#ifdef MSG_CTLIGNORE
+           return MSG_CTLIGNORE;
+#else
+           goto not_there;
+#endif
+       if (strEQ(name, "MSG_CTRUNC"))
+#if defined(MSG_TRUNC) || defined(HAS_MSG_CTRUNC) /* might be an enum */
+           return MSG_CTRUNC;
+#else
+           goto not_there;
+#endif
        if (strEQ(name, "MSG_DONTROUTE"))
-#ifdef MSG_DONTROUTE
+#if defined(MSG_DONTROUTE) || defined(HAS_MSG_DONTROUTE) /* might be an enum */
            return MSG_DONTROUTE;
 #else
            goto not_there;
 #endif
+       if (strEQ(name, "MSG_DONTWAIT"))
+#ifdef MSG_DONTWAIT
+           return MSG_DONTWAIT;
+#else
+           goto not_there;
+#endif
+       if (strEQ(name, "MSG_EOF"))
+#ifdef MSG_EOF
+           return MSG_EOF;
+#else
+           goto not_there;
+#endif
+       if (strEQ(name, "MSG_EOR"))
+#ifdef MSG_EOR
+           return MSG_EOR;
+#else
+           goto not_there;
+#endif
+       if (strEQ(name, "MSG_ERRQUEUE"))
+#ifdef MSG_ERRQUEUE
+           return MSG_ERRQUEUE;
+#else
+           goto not_there;
+#endif
+       if (strEQ(name, "MSG_FIN"))
+#ifdef MSG_FIN
+           return MSG_FIN;
+#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_MCAST"))
+#ifdef MSG_MCAST
+           return MSG_MCAST;
+#else
+           goto not_there;
+#endif
+       if (strEQ(name, "MSG_NOSIGNAL"))
+#ifdef MSG_NOSIGNAL
+           return MSG_NOSIGNAL;
+#else
+           goto not_there;
+#endif
        if (strEQ(name, "MSG_OOB"))
-#ifdef MSG_OOB
+#if defined(MSG_OOB) || defined(HAS_MSG_OOB) /* might be an enum */
            return MSG_OOB;
 #else
            goto not_there;
 #endif
        if (strEQ(name, "MSG_PEEK"))
-#ifdef MSG_PEEK
+#if defined(MSG_PEEK) || defined(HAS_MSG_PEEK) /* might be an enum */
            return MSG_PEEK;
 #else
            goto not_there;
 #endif
+       if (strEQ(name, "MSG_PROXY"))
+#if defined(MSG_PROXY) || defined(HAS_MSG_PROXY) /* might be an enum */
+           return MSG_PROXY;
+#else
+           goto not_there;
+#endif
+       if (strEQ(name, "MSG_RST"))
+#ifdef MSG_RST
+           return MSG_RST;
+#else
+           goto not_there;
+#endif
+       if (strEQ(name, "MSG_SYN"))
+#ifdef MSG_SYN
+           return MSG_SYN;
+#else
+           goto not_there;
+#endif
+       if (strEQ(name, "MSG_TRUNC"))
+#ifdef MSG_TRUNC
+           return MSG_TRUNC;
+#else
+           goto not_there;
+#endif
+       if (strEQ(name, "MSG_WAITALL"))
+#ifdef MSG_WAITALL
+           return MSG_WAITALL;
+#else
+           goto not_there;
+#endif
        break;
     case 'N':
        break;
@@ -399,6 +636,54 @@ int arg;
     case 'R':
        break;
     case 'S':
+       if (strEQ(name, "SCM_CONNECT"))
+#ifdef SCM_CONNECT
+           return SCM_CONNECT;
+#else
+           goto not_there;
+#endif
+       if (strEQ(name, "SCM_CREDENTIALS"))
+#ifdef SCM_CREDENTIALS
+           return SCM_CREDENTIALS;
+#else
+           goto not_there;
+#endif
+       if (strEQ(name, "SCM_CREDS"))
+#ifdef SCM_CREDS
+           return SCM_CREDS;
+#else
+           goto not_there;
+#endif
+       if (strEQ(name, "SCM_RIGHTS"))
+#if defined(SCM_RIGHTS) || defined(HAS_SCM_RIGHTS) /* might be an enum */
+           return SCM_RIGHTS;
+#else
+           goto not_there;
+#endif
+       if (strEQ(name, "SCM_TIMESTAMP"))
+#ifdef SCM_TIMESTAMP
+           return SCM_TIMESTAMP;
+#else
+           goto not_there;
+#endif
+       if (strEQ(name, "SHUT_RD"))
+#ifdef SHUT_RD
+           return SHUT_RD;
+#else
+           return 0;
+#endif
+       if (strEQ(name, "SHUT_RDWR"))
+#ifdef SHUT_RDWR
+           return SHUT_RDWR;
+#else
+           return 2;
+#endif
+       if (strEQ(name, "SHUT_WR"))
+#ifdef SHUT_WR
+           return SHUT_WR;
+#else
+           return 1;
+#endif
        if (strEQ(name, "SOCK_DGRAM"))
 #ifdef SOCK_DGRAM
            return SOCK_DGRAM;
@@ -557,8 +842,44 @@ int arg;
 #endif
        break;
     case 'T':
+       if (strEQ(name, "TCP_KEEPALIVE"))
+#ifdef TCP_KEEPALIVE
+           return TCP_KEEPALIVE;
+#else
+           goto not_there;
+#endif
+       if (strEQ(name, "TCP_MAXRT"))
+#ifdef TCP_MAXRT
+           return TCP_MAXRT;
+#else
+           goto not_there;
+#endif
+       if (strEQ(name, "TCP_MAXSEG"))
+#ifdef TCP_MAXSEG
+           return TCP_MAXSEG;
+#else
+           goto not_there;
+#endif
+       if (strEQ(name, "TCP_NODELAY"))
+#ifdef TCP_NODELAY
+           return TCP_NODELAY;
+#else
+           goto not_there;
+#endif
+       if (strEQ(name, "TCP_STDURG"))
+#ifdef TCP_STDURG
+           return TCP_STDURG;
+#else
+           goto not_there;
+#endif
        break;
     case 'U':
+       if (strEQ(name, "UIO_MAXIOV"))
+#ifdef UIO_MAXIOV
+           return UIO_MAXIOV;
+#else
+           goto not_there;
+#endif
        break;
     case 'V':
        break;
@@ -595,15 +916,15 @@ inet_aton(host)
        {
        struct in_addr ip_address;
        struct hostent * phe;
+       int ok = inet_aton(host, &ip_address);
 
-       if (phe = gethostbyname(host)) {
+       if (!ok && (phe = gethostbyname(host))) {
                Copy( phe->h_addr, &ip_address, phe->h_length, char );
-       } else {
-               ip_address.s_addr = inet_addr(host);
+               ok = 1;
        }
 
        ST(0) = sv_newmortal();
-       if(ip_address.s_addr != INADDR_NONE) {
+       if (ok) {
                sv_setpvn( ST(0), (char *)&ip_address, sizeof ip_address );
        }
        }
@@ -626,7 +947,7 @@ inet_ntoa(ip_address_sv)
        Copy( ip_address, &addr, sizeof addr, char );
        addr_str = inet_ntoa(addr);
 
-       ST(0) = sv_2mortal(newSVpv(addr_str, strlen(addr_str)));
+       ST(0) = sv_2mortal(newSVpvn(addr_str, strlen(addr_str)));
        }
 
 void
@@ -636,10 +957,39 @@ pack_sockaddr_un(pathname)
        {
 #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;
-       Copy( pathname, sun_ad.sun_path, sizeof sun_ad.sun_path, char );
-       ST(0) = sv_2mortal(newSVpv((char *)&sun_ad, sizeof sun_ad));
+       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
+       ST(0) = sv_2mortal(newSVpvn((char *)&sun_ad, sizeof sun_ad));
 #else
        ST(0) = (SV *) not_here("pack_sockaddr_un");
 #endif
@@ -652,15 +1002,19 @@ unpack_sockaddr_un(sun_sv)
        CODE:
        {
 #ifdef I_SYS_UN
-       STRLEN sockaddrlen;
        struct sockaddr_un addr;
-       char *  sun_ad = SvPV(sun_sv,sockaddrlen);
-
+       STRLEN sockaddrlen;
+       char * sun_ad = SvPV(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 );
 
@@ -669,8 +1023,11 @@ unpack_sockaddr_un(sun_sv)
                        "Socket::unpack_sockaddr_un",
                        addr.sun_family,
                        AF_UNIX);
-       } 
-       ST(0) = sv_2mortal(newSVpv(addr.sun_path, strlen(addr.sun_path)));
+       }
+       e = addr.sun_path;
+       while (*e && e < addr.sun_path + sizeof addr.sun_path)
+           ++e;
+       ST(0) = sv_2mortal(newSVpvn(addr.sun_path, e - addr.sun_path));
 #else
        ST(0) = (SV *) not_here("unpack_sockaddr_un");
 #endif
@@ -689,7 +1046,7 @@ pack_sockaddr_in(port,ip_address)
        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));
+       ST(0) = sv_2mortal(newSVpvn((char *)&sin, sizeof sin));
        }
 
 void
@@ -717,9 +1074,9 @@ unpack_sockaddr_in(sin_sv)
        port = ntohs(addr.sin_port);
        ip_address = addr.sin_addr;
 
-       EXTEND(sp, 2);
+       EXTEND(SP, 2);
        PUSHs(sv_2mortal(newSViv((IV) port)));
-       PUSHs(sv_2mortal(newSVpv((char *)&ip_address,sizeof ip_address)));
+       PUSHs(sv_2mortal(newSVpvn((char *)&ip_address,sizeof ip_address)));
        }
 
 void
@@ -728,7 +1085,7 @@ INADDR_ANY()
        {
        struct in_addr  ip_address;
        ip_address.s_addr = htonl(INADDR_ANY);
-       ST(0) = sv_2mortal(newSVpv((char *)&ip_address,sizeof ip_address ));
+       ST(0) = sv_2mortal(newSVpvn((char *)&ip_address,sizeof ip_address ));
        }
 
 void
@@ -737,7 +1094,7 @@ INADDR_LOOPBACK()
        {
        struct in_addr  ip_address;
        ip_address.s_addr = htonl(INADDR_LOOPBACK);
-       ST(0) = sv_2mortal(newSVpv((char *)&ip_address,sizeof ip_address));
+       ST(0) = sv_2mortal(newSVpvn((char *)&ip_address,sizeof ip_address));
        }
 
 void
@@ -746,5 +1103,14 @@ INADDR_NONE()
        {
        struct in_addr  ip_address;
        ip_address.s_addr = htonl(INADDR_NONE);
-       ST(0) = sv_2mortal(newSVpv((char *)&ip_address,sizeof ip_address));
+       ST(0) = sv_2mortal(newSVpvn((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(newSVpvn((char *)&ip_address,sizeof ip_address));
        }