/* win32sck.c
*
* (c) 1995 Microsoft Corporation. All rights reserved.
- * Developed by hip communications inc., http://info.hip.com/info/
+ * Developed by hip communications inc.
* Portions (c) 1993 Intergraph Corporation. All rights reserved.
*
* You may distribute under the terms of either the GNU General Public
#define WIN32IO_IS_STDIO
#define WIN32SCK_IS_STDSCK
#define WIN32_LEAN_AND_MEAN
+#define PERLIO_NOT_STDIO 0
+#ifdef __GNUC__
+#define Win32_Winsock
+#endif
#include <windows.h>
+#include <ws2spi.h>
+
#include "EXTERN.h"
#include "perl.h"
+
+#include "Win32iop.h"
#include <sys/socket.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <io.h>
/* thanks to Beverly Brown (beverly@datacube.com) */
-#ifdef USE_SOCKETS_AS_HANDLES
-# define OPEN_SOCKET(x) _open_osfhandle(x,O_RDWR|O_BINARY)
-# define TO_SOCKET(x) _get_osfhandle(x)
-#else
-# define OPEN_SOCKET(x) (x)
-# define TO_SOCKET(x) (x)
-#endif /* USE_SOCKETS_AS_HANDLES */
+#define OPEN_SOCKET(x) win32_open_osfhandle(x,O_RDWR|O_BINARY)
+#define TO_SOCKET(x) _get_osfhandle(x)
#define StartSockets() \
STMT_START { \
start_sockets(); \
} STMT_END
-#define EndSockets() \
- STMT_START { \
- if (wsock_started) \
- WSACleanup(); \
- } STMT_END
-
#define SOCKET_TEST(x, y) \
STMT_START { \
StartSockets(); \
struct servent*s,
const char *proto);
-__declspec(thread) struct servent myservent;
static int wsock_started = 0;
+EXTERN_C void
+EndSockets(void)
+{
+ if (wsock_started)
+ WSACleanup();
+}
+
void
start_sockets(void)
{
unsigned short version;
WSADATA retdata;
int ret;
- int iSockOpt = SO_SYNCHRONOUS_NONALERT;
/*
* initalize the winsock interface and insure that it is
* cleaned up at exit.
*/
- version = 0x101;
+ version = 0x2;
if(ret = WSAStartup(version, &retdata))
- croak("Unable to locate winsock library!\n");
+ Perl_croak_nocontext("Unable to locate winsock library!\n");
if(retdata.wVersion != version)
- croak("Could not find version 1.1 of winsock dll\n");
+ Perl_croak_nocontext("Could not find version 2.0 of winsock dll\n");
/* atexit((void (*)(void)) EndSockets); */
-
-#ifdef USE_SOCKETS_AS_HANDLES
- /*
- * Enable the use of sockets as filehandles
- */
- setsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE,
- (char *)&iSockOpt, sizeof(iSockOpt));
-#endif /* USE_SOCKETS_AS_HANDLES */
wsock_started = 1;
}
-
-#ifndef USE_SOCKETS_AS_HANDLES
-#undef fdopen
-FILE *
-my_fdopen(int fd, char *mode)
-{
- FILE *fp;
- char sockbuf[256];
- int optlen = sizeof(sockbuf);
- int retval;
-
- if (!wsock_started)
- return(fdopen(fd, mode));
-
- retval = getsockopt((SOCKET)fd, SOL_SOCKET, SO_TYPE, sockbuf, &optlen);
- if(retval == SOCKET_ERROR && WSAGetLastError() == WSAENOTSOCK) {
- return(fdopen(fd, mode));
- }
-
- /*
- * If we get here, then fd is actually a socket.
- */
- Newz(1310, fp, 1, FILE);
- if(fp == NULL) {
- errno = ENOMEM;
- return NULL;
- }
-
- fp->_file = fd;
- if(*mode == 'r')
- fp->_flag = _IOREAD;
- else
- fp->_flag = _IOWRT;
-
- return fp;
-}
-#endif /* USE_SOCKETS_AS_HANDLES */
-
-
+/* in no sockets Win32 builds, these use the inline functions defined in
+ * perl.h
+ */
u_long
win32_htonl(u_long hostlong)
{
+#ifndef WIN32_NO_SOCKETS
StartSockets();
+#endif
return htonl(hostlong);
}
u_short
win32_htons(u_short hostshort)
{
+#ifndef WIN32_NO_SOCKETS
StartSockets();
+#endif
return htons(hostshort);
}
u_long
win32_ntohl(u_long netlong)
{
+#ifndef WIN32_NO_SOCKETS
StartSockets();
+#endif
return ntohl(netlong);
}
u_short
win32_ntohs(u_short netshort)
{
+#ifndef WIN32_NO_SOCKETS
StartSockets();
+#endif
return ntohs(netshort);
}
win32_recvfrom(SOCKET s, char *buf, int len, int flags, struct sockaddr *from, int *fromlen)
{
int r;
+ int frombufsize = *fromlen;
SOCKET_TEST_ERROR(r = recvfrom(TO_SOCKET(s), buf, len, flags, from, fromlen));
+ /* Winsock's recvfrom() only returns a valid 'from' when the socket
+ * is connectionless. Perl expects a valid 'from' for all types
+ * of sockets, so go the extra mile.
+ */
+ if (r != SOCKET_ERROR && frombufsize == *fromlen)
+ (void)win32_getpeername(s, from, fromlen);
return r;
}
win32_select(int nfds, Perl_fd_set* rd, Perl_fd_set* wr, Perl_fd_set* ex, const struct timeval* timeout)
{
int r;
-#ifdef USE_SOCKETS_AS_HANDLES
- Perl_fd_set dummy;
- int i, fd, bit, offset;
- FD_SET nrd, nwr, nex, *prd, *pwr, *pex;
-
- PERL_FD_ZERO(&dummy);
- if (!rd)
- rd = &dummy, prd = NULL;
- else
- prd = &nrd;
- if (!wr)
- wr = &dummy, pwr = NULL;
- else
- pwr = &nwr;
- if (!ex)
- ex = &dummy, pex = NULL;
- else
- pex = &nex;
+ int i, fd, save_errno = errno;
+ FD_SET nrd, nwr, nex;
+ bool just_sleep = TRUE;
+
+ StartSockets();
FD_ZERO(&nrd);
FD_ZERO(&nwr);
FD_ZERO(&nex);
for (i = 0; i < nfds; i++) {
- fd = TO_SOCKET(i);
- if (PERL_FD_ISSET(i,rd))
- FD_SET(fd, &nrd);
- if (PERL_FD_ISSET(i,wr))
- FD_SET(fd, &nwr);
- if (PERL_FD_ISSET(i,ex))
- FD_SET(fd, &nex);
+ if (rd && PERL_FD_ISSET(i,rd)) {
+ fd = TO_SOCKET(i);
+ FD_SET((unsigned)fd, &nrd);
+ just_sleep = FALSE;
+ }
+ if (wr && PERL_FD_ISSET(i,wr)) {
+ fd = TO_SOCKET(i);
+ FD_SET((unsigned)fd, &nwr);
+ just_sleep = FALSE;
+ }
+ if (ex && PERL_FD_ISSET(i,ex)) {
+ fd = TO_SOCKET(i);
+ FD_SET((unsigned)fd, &nex);
+ just_sleep = FALSE;
+ }
}
- SOCKET_TEST_ERROR(r = select(nfds, prd, pwr, pex, timeout));
+ /* winsock seems incapable of dealing with all three fd_sets being empty,
+ * so do the (millisecond) sleep as a special case
+ */
+ if (just_sleep) {
+ if (timeout)
+ Sleep(timeout->tv_sec * 1000 +
+ timeout->tv_usec / 1000); /* do the best we can */
+ else
+ Sleep(UINT_MAX);
+ return 0;
+ }
+
+ errno = save_errno;
+ SOCKET_TEST_ERROR(r = select(nfds, &nrd, &nwr, &nex, timeout));
+ save_errno = errno;
for (i = 0; i < nfds; i++) {
- fd = TO_SOCKET(i);
- if (PERL_FD_ISSET(i,rd) && !FD_ISSET(fd, &nrd))
- PERL_FD_CLR(i,rd);
- if (PERL_FD_ISSET(i,wr) && !FD_ISSET(fd, &nwr))
- PERL_FD_CLR(i,wr);
- if (PERL_FD_ISSET(i,ex) && !FD_ISSET(fd, &nex))
- PERL_FD_CLR(i,ex);
+ if (rd && PERL_FD_ISSET(i,rd)) {
+ fd = TO_SOCKET(i);
+ if (!FD_ISSET(fd, &nrd))
+ PERL_FD_CLR(i,rd);
+ }
+ if (wr && PERL_FD_ISSET(i,wr)) {
+ fd = TO_SOCKET(i);
+ if (!FD_ISSET(fd, &nwr))
+ PERL_FD_CLR(i,wr);
+ }
+ if (ex && PERL_FD_ISSET(i,ex)) {
+ fd = TO_SOCKET(i);
+ if (!FD_ISSET(fd, &nex))
+ PERL_FD_CLR(i,ex);
+ }
}
-#else
- SOCKET_TEST_ERROR(r = select(nfds, rd, wr, ex, timeout));
-#endif
+ errno = save_errno;
return r;
}
return r;
}
+void
+convert_proto_info_w2a(WSAPROTOCOL_INFOW *in, WSAPROTOCOL_INFOA *out)
+{
+ Copy(in, out, 1, WSAPROTOCOL_INFOA);
+ wcstombs(out->szProtocol, in->szProtocol, sizeof(out->szProtocol));
+}
+
+SOCKET
+open_ifs_socket(int af, int type, int protocol)
+{
+ dTHX;
+ char *s;
+ unsigned long proto_buffers_len = 0;
+ int error_code;
+ SOCKET out = INVALID_SOCKET;
+
+ if ((s = PerlEnv_getenv("PERL_ALLOW_NON_IFS_LSP")) && atoi(s))
+ return WSASocket(af, type, protocol, NULL, 0, 0);
+
+ if (WSCEnumProtocols(NULL, NULL, &proto_buffers_len, &error_code) == SOCKET_ERROR
+ && error_code == WSAENOBUFS)
+ {
+ WSAPROTOCOL_INFOW *proto_buffers;
+ int protocols_available = 0;
+
+ Newx(proto_buffers, proto_buffers_len / sizeof(WSAPROTOCOL_INFOW),
+ WSAPROTOCOL_INFOW);
+
+ if ((protocols_available = WSCEnumProtocols(NULL, proto_buffers,
+ &proto_buffers_len, &error_code)) != SOCKET_ERROR)
+ {
+ int i;
+ for (i = 0; i < protocols_available; i++)
+ {
+ WSAPROTOCOL_INFOA proto_info;
+
+ if ((af != AF_UNSPEC && af != proto_buffers[i].iAddressFamily)
+ || (type != proto_buffers[i].iSocketType)
+ || (protocol != 0 && proto_buffers[i].iProtocol != 0 &&
+ protocol != proto_buffers[i].iProtocol))
+ continue;
+
+ if ((proto_buffers[i].dwServiceFlags1 & XP1_IFS_HANDLES) == 0)
+ continue;
+
+ convert_proto_info_w2a(&(proto_buffers[i]), &proto_info);
+
+ out = WSASocket(af, type, protocol, &proto_info, 0, 0);
+ break;
+ }
+ }
+
+ Safefree(proto_buffers);
+ }
+
+ return out;
+}
+
SOCKET
win32_socket(int af, int type, int protocol)
{
SOCKET s;
-#ifndef USE_SOCKETS_AS_HANDLES
- SOCKET_TEST(s = socket(af, type, protocol), INVALID_SOCKET);
-#else
StartSockets();
- if((s = socket(af, type, protocol)) == INVALID_SOCKET)
+
+ if((s = open_ifs_socket(af, type, protocol)) == INVALID_SOCKET)
errno = WSAGetLastError();
else
s = OPEN_SOCKET(s);
-#endif /* USE_SOCKETS_AS_HANDLES */
return s;
}
+/*
+ * close RTL fd while respecting sockets
+ * added as temporary measure until PerlIO has real
+ * Win32 native layer
+ * -- BKS, 11-11-2000
+*/
+
+int my_close(int fd)
+{
+ int osf;
+ if (!wsock_started) /* No WinSock? */
+ return(close(fd)); /* Then not a socket. */
+ osf = TO_SOCKET(fd);/* Get it now before it's gone! */
+ if (osf != -1) {
+ int err;
+ err = closesocket(osf);
+ if (err == 0) {
+ (void)close(fd); /* handle already closed, ignore error */
+ return 0;
+ }
+ else if (err == SOCKET_ERROR) {
+ err = WSAGetLastError();
+ if (err != WSAENOTSOCK) {
+ (void)close(fd);
+ errno = err;
+ return EOF;
+ }
+ }
+ }
+ return close(fd);
+}
+
#undef fclose
int
my_fclose (FILE *pf)
{
- int osf, retval;
+ int osf;
if (!wsock_started) /* No WinSock? */
return(fclose(pf)); /* Then not a socket. */
- osf = TO_SOCKET(fileno(pf));/* Get it now before it's gone! */
- retval = fclose(pf); /* Must fclose() before closesocket() */
- if (osf != -1
- && closesocket(osf) == SOCKET_ERROR
- && WSAGetLastError() != WSAENOTSOCK)
- {
- return EOF;
+ osf = TO_SOCKET(win32_fileno(pf));/* Get it now before it's gone! */
+ if (osf != -1) {
+ int err;
+ win32_fflush(pf);
+ err = closesocket(osf);
+ if (err == 0) {
+ (void)fclose(pf); /* handle already closed, ignore error */
+ return 0;
+ }
+ else if (err == SOCKET_ERROR) {
+ err = WSAGetLastError();
+ if (err != WSAENOTSOCK) {
+ (void)fclose(pf);
+ errno = err;
+ return EOF;
+ }
+ }
}
- return retval;
+ return fclose(pf);
}
struct hostent *
struct servent *
win32_getservbyname(const char *name, const char *proto)
{
+ dTHXa(NULL);
struct servent *r;
-
+
SOCKET_TEST(r = getservbyname(name, proto), NULL);
if (r) {
- r = win32_savecopyservent(&myservent, r, proto);
+ aTHXa(PERL_GET_THX);
+ r = win32_savecopyservent(&w32_servent, r, proto);
}
return r;
}
struct servent *
win32_getservbyport(int port, const char *proto)
{
+ dTHXa(NULL);
struct servent *r;
SOCKET_TEST(r = getservbyport(port, proto), NULL);
if (r) {
- r = win32_savecopyservent(&myservent, r, proto);
+ aTHXa(PERL_GET_THX);
+ r = win32_savecopyservent(&w32_servent, r, proto);
}
return r;
}
+int
+win32_ioctl(int i, unsigned int u, char *data)
+{
+ u_long u_long_arg;
+ int retval;
+
+ if (!wsock_started) {
+ Perl_croak_nocontext("ioctl implemented only on sockets");
+ /* NOTREACHED */
+ }
+
+ /* mauke says using memcpy avoids alignment issues */
+ memcpy(&u_long_arg, data, sizeof u_long_arg);
+ retval = ioctlsocket(TO_SOCKET(i), (long)u, &u_long_arg);
+ memcpy(data, &u_long_arg, sizeof u_long_arg);
+
+ if (retval == SOCKET_ERROR) {
+ if (WSAGetLastError() == WSAENOTSOCK) {
+ Perl_croak_nocontext("ioctl implemented only on sockets");
+ /* NOTREACHED */
+ }
+ errno = WSAGetLastError();
+ }
+ return retval;
+}
+
char FAR *
win32_inet_ntoa(struct in_addr in)
{
void
win32_endhostent()
{
- croak("endhostent not implemented!\n");
+ win32_croak_not_implemented("endhostent");
}
void
win32_endnetent()
{
- croak("endnetent not implemented!\n");
+ win32_croak_not_implemented("endnetent");
}
void
win32_endprotoent()
{
- croak("endprotoent not implemented!\n");
+ win32_croak_not_implemented("endprotoent");
}
void
win32_endservent()
{
- croak("endservent not implemented!\n");
+ win32_croak_not_implemented("endservent");
}
struct netent *
win32_getnetent(void)
{
- croak("getnetent not implemented!\n");
+ win32_croak_not_implemented("getnetent");
return (struct netent *) NULL;
}
struct netent *
win32_getnetbyname(char *name)
{
- croak("getnetbyname not implemented!\n");
+ win32_croak_not_implemented("getnetbyname");
return (struct netent *)NULL;
}
struct netent *
win32_getnetbyaddr(long net, int type)
{
- croak("getnetbyaddr not implemented!\n");
+ win32_croak_not_implemented("getnetbyaddr");
return (struct netent *)NULL;
}
struct protoent *
win32_getprotoent(void)
{
- croak("getprotoent not implemented!\n");
+ win32_croak_not_implemented("getprotoent");
return (struct protoent *) NULL;
}
struct servent *
win32_getservent(void)
{
- croak("getservent not implemented!\n");
+ win32_croak_not_implemented("getservent");
return (struct servent *) NULL;
}
void
win32_sethostent(int stayopen)
{
- croak("sethostent not implemented!\n");
+ win32_croak_not_implemented("sethostent");
}
void
win32_setnetent(int stayopen)
{
- croak("setnetent not implemented!\n");
+ win32_croak_not_implemented("setnetent");
}
void
win32_setprotoent(int stayopen)
{
- croak("setprotoent not implemented!\n");
+ win32_croak_not_implemented("setprotoent");
}
void
win32_setservent(int stayopen)
{
- croak("setservent not implemented!\n");
+ win32_croak_not_implemented("setservent");
}
static struct servent*
d->s_name = s->s_name;
d->s_aliases = s->s_aliases;
d->s_port = s->s_port;
-#ifndef __BORLANDC__ /* Buggy on Win95 and WinNT-with-Borland-WSOCK */
- if (!IsWin95() && s->s_proto && strlen(s->s_proto))
+ if (s->s_proto && strlen(s->s_proto))
d->s_proto = s->s_proto;
else
-#endif
- if (proto && strlen(proto))
+ if (proto && strlen(proto))
d->s_proto = (char *)proto;
else
d->s_proto = "tcp";