*/
/* #define IPV6 1 */
-#ifdef IPV6
-#include <winsock2.h>
-#include <ws2tcpip.h>
-#include <tpipv6.h>
-#else
-#include <winsock.h>
-#endif
-#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include "network.h"
#include "tree234.h"
+#ifdef IPV6
+#include <ws2tcpip.h>
+#include <tpipv6.h>
+#endif
+
#define ipv4_is_loopback(addr) \
- ((ntohl(addr.s_addr) & 0xFF000000L) == 0x7F000000L)
+ ((p_ntohl(addr.s_addr) & 0xFF000000L) == 0x7F000000L)
struct Socket_tag {
const struct socket_function_table *fn;
return 0;
}
+#define NOTHING
+#define DECL_WINSOCK_FUNCTION(linkage, rettype, name, params) \
+ typedef rettype (WINAPI *t_##name) params; \
+ linkage t_##name p_##name
+#define GET_WINSOCK_FUNCTION(name) \
+ p_##name = (t_##name) GetProcAddress(winsock_module, #name)
+
+DECL_WINSOCK_FUNCTION(NOTHING, int, WSAAsyncSelect,
+ (SOCKET, HWND, u_int, long));
+DECL_WINSOCK_FUNCTION(NOTHING, int, WSAEventSelect, (SOCKET, WSAEVENT, long));
+DECL_WINSOCK_FUNCTION(NOTHING, int, select,
+ (int, fd_set FAR *, fd_set FAR *,
+ fd_set FAR *, const struct timeval FAR *));
+DECL_WINSOCK_FUNCTION(NOTHING, int, WSAGetLastError, (void));
+DECL_WINSOCK_FUNCTION(NOTHING, int, WSAEnumNetworkEvents,
+ (SOCKET, WSAEVENT, LPWSANETWORKEVENTS));
+DECL_WINSOCK_FUNCTION(static, int, WSAStartup, (WORD, LPWSADATA));
+DECL_WINSOCK_FUNCTION(static, int, WSACleanup, (void));
+DECL_WINSOCK_FUNCTION(static, int, closesocket, (SOCKET));
+DECL_WINSOCK_FUNCTION(static, u_long, ntohl, (u_long));
+DECL_WINSOCK_FUNCTION(static, u_long, htonl, (u_long));
+DECL_WINSOCK_FUNCTION(static, u_short, htons, (u_short));
+DECL_WINSOCK_FUNCTION(static, u_short, ntohs, (u_short));
+DECL_WINSOCK_FUNCTION(static, struct hostent FAR *, gethostbyname,
+ (const char FAR *));
+DECL_WINSOCK_FUNCTION(static, struct servent FAR *, getservbyname,
+ (const char FAR *, const char FAR *));
+DECL_WINSOCK_FUNCTION(static, unsigned long, inet_addr, (const char FAR *));
+DECL_WINSOCK_FUNCTION(static, char FAR *, inet_ntoa, (struct in_addr));
+DECL_WINSOCK_FUNCTION(static, int, connect,
+ (SOCKET, const struct sockaddr FAR *, int));
+DECL_WINSOCK_FUNCTION(static, int, bind,
+ (SOCKET, const struct sockaddr FAR *, int));
+DECL_WINSOCK_FUNCTION(static, int, setsockopt,
+ (SOCKET, int, int, const char FAR *, int));
+DECL_WINSOCK_FUNCTION(static, SOCKET, socket, (int, int, int));
+DECL_WINSOCK_FUNCTION(static, int, listen, (SOCKET, int));
+DECL_WINSOCK_FUNCTION(static, int, send, (SOCKET, const char FAR *, int, int));
+DECL_WINSOCK_FUNCTION(static, int, ioctlsocket,
+ (SOCKET, long, u_long FAR *));
+DECL_WINSOCK_FUNCTION(static, SOCKET, accept,
+ (SOCKET, struct sockaddr FAR *, int FAR *));
+DECL_WINSOCK_FUNCTION(static, int, recv, (SOCKET, char FAR *, int, int));
+
+static HMODULE winsock_module;
+
void sk_init(void)
{
+ WORD winsock_ver;
+ WSADATA wsadata;
+
+ winsock_ver = MAKEWORD(2, 0);
+ winsock_module = LoadLibrary("WS2_32.DLL");
+ if (!winsock_module) {
+ winsock_module = LoadLibrary("WSOCK32.DLL");
+ winsock_ver = MAKEWORD(1, 1);
+ }
+ if (!winsock_module)
+ fatalbox("Unable to load any WinSock library");
+
+ GET_WINSOCK_FUNCTION(WSAAsyncSelect);
+ GET_WINSOCK_FUNCTION(WSAEventSelect);
+ GET_WINSOCK_FUNCTION(select);
+ GET_WINSOCK_FUNCTION(WSAGetLastError);
+ GET_WINSOCK_FUNCTION(WSAEnumNetworkEvents);
+ GET_WINSOCK_FUNCTION(WSAStartup);
+ GET_WINSOCK_FUNCTION(WSACleanup);
+ GET_WINSOCK_FUNCTION(closesocket);
+ GET_WINSOCK_FUNCTION(ntohl);
+ GET_WINSOCK_FUNCTION(htonl);
+ GET_WINSOCK_FUNCTION(htons);
+ GET_WINSOCK_FUNCTION(ntohs);
+ GET_WINSOCK_FUNCTION(gethostbyname);
+ GET_WINSOCK_FUNCTION(getservbyname);
+ GET_WINSOCK_FUNCTION(inet_addr);
+ GET_WINSOCK_FUNCTION(inet_ntoa);
+ GET_WINSOCK_FUNCTION(connect);
+ GET_WINSOCK_FUNCTION(bind);
+ GET_WINSOCK_FUNCTION(setsockopt);
+ GET_WINSOCK_FUNCTION(socket);
+ GET_WINSOCK_FUNCTION(listen);
+ GET_WINSOCK_FUNCTION(send);
+ GET_WINSOCK_FUNCTION(ioctlsocket);
+ GET_WINSOCK_FUNCTION(accept);
+ GET_WINSOCK_FUNCTION(recv);
+
+ if (p_WSAStartup(winsock_ver, &wsadata)) {
+ fatalbox("Unable to initialise WinSock");
+ }
+ if (LOBYTE(wsadata.wVersion) != LOBYTE(winsock_ver)) {
+ p_WSACleanup();
+ fatalbox("WinSock version is incompatible with %d.%d",
+ LOBYTE(winsock_ver), HIBYTE(winsock_ver));
+ }
+
sktree = newtree234(cmpfortree);
}
if (sktree) {
for (i = 0; (s = index234(sktree, i)) != NULL; i++) {
- closesocket(s->s);
+ p_closesocket(s->s);
}
}
+
+ p_WSACleanup();
+ if (winsock_module)
+ FreeLibrary(winsock_module);
}
char *winsock_error_string(int error)
ret->family = 0; /* We set this one when we have resolved the host. */
*realhost = '\0';
- if ((a = inet_addr(host)) == (unsigned long) INADDR_NONE) {
+ if ((a = p_inet_addr(host)) == (unsigned long) INADDR_NONE) {
#ifdef IPV6
/* Try to get the getaddrinfo() function from wship6.dll */
*/
if (ret->family == 0) {
/*debug(("Resolving \"%s\" with gethostbyname() (IPv4 only)...\n", host)); */
- if ( (h = gethostbyname(host)) )
+ if ( (h = p_gethostbyname(host)) )
ret->family = AF_INET;
}
}
/*debug(("Done resolving...(family is %d) AF_INET = %d, AF_INET6 = %d\n", ret->family, AF_INET, AF_INET6)); */
if (ret->family == 0) {
- DWORD err = WSAGetLastError();
+ DWORD err = p_WSAGetLastError();
ret->error = (err == WSAENETDOWN ? "Network is down" :
err ==
WSAHOST_NOT_FOUND ? "Host does not exist" : err
ret->family = AF_INET;
strncpy(realhost, host, sizeof(realhost));
}
- ret->address = ntohl(a);
+ ret->address = p_ntohl(a);
realhost[lenof(realhost)-1] = '\0';
*canonicalname = snewn(1+strlen(realhost), char);
strcpy(*canonicalname, realhost);
#endif
if (addr->family == AF_INET) {
struct in_addr a;
- a.s_addr = htonl(addr->address);
- strncpy(buf, inet_ntoa(a), buflen);
+ a.s_addr = p_htonl(addr->address);
+ strncpy(buf, p_inet_ntoa(a), buflen);
buf[buflen-1] = '\0';
} else {
assert(addr->family == AF_UNSPEC);
#endif
if (addr->family == AF_INET) {
struct in_addr a;
- a.s_addr = htonl(addr->address);
+ a.s_addr = p_htonl(addr->address);
return ipv4_is_loopback(a);
} else {
assert(addr->family == AF_UNSPEC);
#endif
if (addr->family == AF_INET) {
struct in_addr a;
- a.s_addr = htonl(addr->address);
+ a.s_addr = p_htonl(addr->address);
memcpy(buf, (char*) &a.s_addr, 4);
}
}
ret->s = (SOCKET)sock;
if (ret->s == INVALID_SOCKET) {
- err = WSAGetLastError();
+ err = p_WSAGetLastError();
ret->error = winsock_error_string(err);
return (Socket) ret;
}
* Open socket.
*/
assert(addr->family != AF_UNSPEC);
- s = socket(addr->family, SOCK_STREAM, 0);
+ s = p_socket(addr->family, SOCK_STREAM, 0);
ret->s = s;
if (s == INVALID_SOCKET) {
- err = WSAGetLastError();
+ err = p_WSAGetLastError();
ret->error = winsock_error_string(err);
return (Socket) ret;
}
ret->oobinline = oobinline;
if (oobinline) {
BOOL b = TRUE;
- setsockopt(s, SOL_SOCKET, SO_OOBINLINE, (void *) &b, sizeof(b));
+ p_setsockopt(s, SOL_SOCKET, SO_OOBINLINE, (void *) &b, sizeof(b));
}
if (nodelay) {
BOOL b = TRUE;
- setsockopt(s, IPPROTO_TCP, TCP_NODELAY, (void *) &b, sizeof(b));
+ p_setsockopt(s, IPPROTO_TCP, TCP_NODELAY, (void *) &b, sizeof(b));
}
/*
memset(&a6, 0, sizeof(a6));
a6.sin6_family = AF_INET6;
/*a6.sin6_addr = in6addr_any; *//* == 0 */
- a6.sin6_port = htons(localport);
+ a6.sin6_port = p_htons(localport);
} else
#endif
{
a.sin_family = AF_INET;
- a.sin_addr.s_addr = htonl(INADDR_ANY);
- a.sin_port = htons(localport);
+ a.sin_addr.s_addr = p_htonl(INADDR_ANY);
+ a.sin_port = p_htons(localport);
}
#ifdef IPV6
- retcode = bind(s, (addr->family == AF_INET6 ?
+ retcode = p_bind(s, (addr->family == AF_INET6 ?
(struct sockaddr *) &a6 :
(struct sockaddr *) &a),
(addr->family ==
AF_INET6 ? sizeof(a6) : sizeof(a)));
#else
- retcode = bind(s, (struct sockaddr *) &a, sizeof(a));
+ retcode = p_bind(s, (struct sockaddr *) &a, sizeof(a));
#endif
if (retcode != SOCKET_ERROR) {
err = 0;
break; /* done */
} else {
- err = WSAGetLastError();
+ err = p_WSAGetLastError();
if (err != WSAEADDRINUSE) /* failed, for a bad reason */
break;
}
if (addr->family == AF_INET6) {
memset(&a, 0, sizeof(a));
a6.sin6_family = AF_INET6;
- a6.sin6_port = htons((short) port);
+ a6.sin6_port = p_htons((short) port);
a6.sin6_addr =
((struct sockaddr_in6 *) addr->ai->ai_addr)->sin6_addr;
} else
#endif
{
a.sin_family = AF_INET;
- a.sin_addr.s_addr = htonl(addr->address);
- a.sin_port = htons((short) port);
+ a.sin_addr.s_addr = p_htonl(addr->address);
+ a.sin_port = p_htons((short) port);
}
/* Set up a select mechanism. This could be an AsyncSelect on a
if ((
#ifdef IPV6
- connect(s, ((addr->family == AF_INET6) ?
+ p_connect(s, ((addr->family == AF_INET6) ?
(struct sockaddr *) &a6 : (struct sockaddr *) &a),
(addr->family == AF_INET6) ? sizeof(a6) : sizeof(a))
#else
- connect(s, (struct sockaddr *) &a, sizeof(a))
+ p_connect(s, (struct sockaddr *) &a, sizeof(a))
#endif
) == SOCKET_ERROR) {
- err = WSAGetLastError();
+ err = p_WSAGetLastError();
/*
* We expect a potential EWOULDBLOCK here, because the
* chances are the front end has done a select for
/*
* Open socket.
*/
- s = socket(AF_INET, SOCK_STREAM, 0);
+ s = p_socket(AF_INET, SOCK_STREAM, 0);
ret->s = s;
if (s == INVALID_SOCKET) {
- err = WSAGetLastError();
+ err = p_WSAGetLastError();
ret->error = winsock_error_string(err);
return (Socket) ret;
}
ret->oobinline = 0;
- setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (const char *)&on, sizeof(on));
+ p_setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (const char *)&on, sizeof(on));
#ifdef IPV6
if (addr->family == AF_INET6) {
a6.sin6_addr = in6addr_loopback;
else
a6.sin6_addr = in6addr_any;
- a6.sin6_port = htons(port);
+ a6.sin6_port = p_htons(port);
} else
#endif
{
* specified one...
*/
if (srcaddr) {
- a.sin_addr.s_addr = inet_addr(srcaddr);
+ a.sin_addr.s_addr = p_inet_addr(srcaddr);
if (a.sin_addr.s_addr != INADDR_NONE) {
/* Override localhost_only with specified listen addr. */
ret->localhost_only = ipv4_is_loopback(a.sin_addr);
*/
if (!got_addr) {
if (local_host_only)
- a.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+ a.sin_addr.s_addr = p_htonl(INADDR_LOOPBACK);
else
- a.sin_addr.s_addr = htonl(INADDR_ANY);
+ a.sin_addr.s_addr = p_htonl(INADDR_ANY);
}
- a.sin_port = htons((short)port);
+ a.sin_port = p_htons((short)port);
}
#ifdef IPV6
- retcode = bind(s, (addr->family == AF_INET6 ?
+ retcode = p_bind(s, (addr->family == AF_INET6 ?
(struct sockaddr *) &a6 :
(struct sockaddr *) &a),
(addr->family ==
AF_INET6 ? sizeof(a6) : sizeof(a)));
#else
- retcode = bind(s, (struct sockaddr *) &a, sizeof(a));
+ retcode = p_bind(s, (struct sockaddr *) &a, sizeof(a));
#endif
if (retcode != SOCKET_ERROR) {
err = 0;
} else {
- err = WSAGetLastError();
+ err = p_WSAGetLastError();
}
if (err) {
}
- if (listen(s, SOMAXCONN) == SOCKET_ERROR) {
- closesocket(s);
+ if (p_listen(s, SOMAXCONN) == SOCKET_ERROR) {
+ p_closesocket(s);
ret->error = winsock_error_string(err);
return (Socket) ret;
}
del234(sktree, s);
do_select(s->s, 0);
- closesocket(s->s);
+ p_closesocket(s->s);
sfree(s);
}
urgentflag = 0;
bufchain_prefix(&s->output_data, &data, &len);
}
- nsent = send(s->s, data, len, urgentflag);
+ nsent = p_send(s->s, data, len, urgentflag);
noise_ultralight(nsent);
if (nsent <= 0) {
- err = (nsent < 0 ? WSAGetLastError() : 0);
+ err = (nsent < 0 ? p_WSAGetLastError() : 0);
if ((err < WSABASEERR && nsent < 0) || err == WSAEWOULDBLOCK) {
/*
* Perfectly normal: we've sent all we can for the moment.
*/
if (s->oobinline) {
atmark = 1;
- ioctlsocket(s->s, SIOCATMARK, &atmark);
+ p_ioctlsocket(s->s, SIOCATMARK, &atmark);
/*
* Avoid checking the return value from ioctlsocket(),
* on the grounds that some WinSock wrappers don't
} else
atmark = 1;
- ret = recv(s->s, buf, sizeof(buf), 0);
+ ret = p_recv(s->s, buf, sizeof(buf), 0);
noise_ultralight(ret);
if (ret < 0) {
- err = WSAGetLastError();
+ err = p_WSAGetLastError();
if (err == WSAEWOULDBLOCK) {
break;
}
* and get back OOB data, which we will send to the back
* end with type==2 (urgent data).
*/
- ret = recv(s->s, buf, sizeof(buf), MSG_OOB);
+ ret = p_recv(s->s, buf, sizeof(buf), MSG_OOB);
noise_ultralight(ret);
if (ret <= 0) {
char *str = (ret == 0 ? "Internal networking trouble" :
- winsock_error_string(WSAGetLastError()));
+ winsock_error_string(p_WSAGetLastError()));
/* We're inside the Windows frontend here, so we know
* that the frontend handle is unnecessary. */
logevent(NULL, str);
/* Signal a close on the socket. First read any outstanding data. */
open = 1;
do {
- ret = recv(s->s, buf, sizeof(buf), 0);
+ ret = p_recv(s->s, buf, sizeof(buf), 0);
if (ret < 0) {
- err = WSAGetLastError();
+ err = p_WSAGetLastError();
if (err == WSAEWOULDBLOCK)
break;
return plug_closing(s->plug, winsock_error_string(err),
memset(&isa, 0, sizeof(struct sockaddr_in));
err = 0;
- t = accept(s->s,(struct sockaddr *)&isa,&addrlen);
+ t = p_accept(s->s,(struct sockaddr *)&isa,&addrlen);
if (t == INVALID_SOCKET)
{
- err = WSAGetLastError();
+ err = p_WSAGetLastError();
if (err == WSATRY_AGAIN)
break;
}
if (s->localhost_only && !ipv4_is_loopback(isa.sin_addr)) {
- closesocket(t); /* dodgy WinSock let nonlocal through */
+ p_closesocket(t); /* dodgy WinSock let nonlocal through */
} else if (plug_accepting(s->plug, (void*)t)) {
- closesocket(t); /* denied or error */
+ p_closesocket(t); /* denied or error */
}
}
}
s->frozen = is_frozen;
if (!is_frozen && s->frozen_readable) {
char c;
- recv(s->s, &c, 1, MSG_PEEK);
+ p_recv(s->s, &c, 1, MSG_PEEK);
}
s->frozen_readable = 0;
}
int net_service_lookup(char *service)
{
struct servent *se;
- se = getservbyname(service, NULL);
+ se = p_getservbyname(service, NULL);
if (se != NULL)
- return ntohs(se->s_port);
+ return p_ntohs(se->s_port);
else
return 0;
}
projects / u / mdw / putty / commitdiff