ws2_32: Rewrite setsockopt to be more readable.
This commit is contained in:
Kai Blin
Alexandre Julliard
parent
a10c40df23
commit
829e6f14aa
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@ -4,6 +4,7 @@
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*
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* Copyright (C) 1993,1994,1996,1997 John Brezak, Erik Bos, Alex Korobka.
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* Copyright (C) 2005 Marcus Meissner
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* Copyright (C) 2006 Kai Blin
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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@ -2870,117 +2871,100 @@ int WINAPI WS_setsockopt(SOCKET s, int level, int optname,
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TRACE("socket: %04x, level %d, name %d, ptr %p, len %d\n",
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s, level, optname, optval, optlen);
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/* SO_OPENTYPE does not require a valid socket handle. */
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if (level == WS_SOL_SOCKET && optname == WS_SO_OPENTYPE)
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switch(level)
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{
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if (optlen < sizeof(int) || !optval)
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case WS_SOL_SOCKET:
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switch(optname)
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{
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SetLastError(WSAEFAULT);
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return SOCKET_ERROR;
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}
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get_per_thread_data()->opentype = *(const int *)optval;
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TRACE("setting global SO_OPENTYPE to 0x%x\n", *(const int *)optval );
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return 0;
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}
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/* Some options need some conversion before they can be sent to
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* setsockopt. The conversions are done here, then they will fall though
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* to the general case. Special options that are not passed to
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* setsockopt follow below that.*/
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/* For some reason the game GrandPrixLegends does set SO_DONTROUTE on its
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* socket. According to MSDN, this option is silently ignored.*/
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if ( level==WS_SOL_SOCKET && optname==WS_SO_DONTROUTE )
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{
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TRACE("Ignoring SO_DONTROUTE.\n");
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return 0;
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}
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case WS_SO_DONTLINGER:
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linger.l_onoff = *((const int*)optval) ? 0: 1;
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linger.l_linger = 0;
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level = SOL_SOCKET;
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optname = SO_LINGER;
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optval = (char*)&linger;
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optlen = sizeof(struct linger);
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break;
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/* SO_EXCLUSIVEADDRUSE stops applications from binding to a port that is
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* already used. This never works on Unix systems, so just ignore this
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* setting*/
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if ( level == WS_SOL_SOCKET && optname == WS_SO_EXCLUSIVEADDRUSE )
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{
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TRACE("Ignoring SO_EXCLUSIVEADDRUSE\n");
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return 0;
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}
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#ifdef HAVE_IPX
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if(level == NSPROTO_IPX)
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{
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switch(optname)
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{
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case IPX_PTYPE:
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fd = get_sock_fd( s, 0, NULL );
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TRACE("trying to set IPX_PTYPE: %d (fd: %d)\n", *(const int*)optval, fd);
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/* We try to set the ipx type on ipx socket level. */
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#ifdef SOL_IPX
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if(setsockopt(fd, SOL_IPX, IPX_TYPE, optval, optlen) == -1)
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{
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ERR("IPX: could not set ipx option type; expect weird behaviour\n");
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return SOCKET_ERROR;
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}
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#else
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{
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struct ipx val;
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/* Should we retrieve val using a getsockopt call and then
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* set the modified one? */
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val.ipx_pt = *optval;
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setsockopt(fd, 0, SO_DEFAULT_HEADERS, &val, sizeof(struct ipx));
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}
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#endif
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release_sock_fd( s, fd );
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return 0;
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case IPX_FILTERPTYPE:
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/* Sets the receive filter packet type, at the moment we don't support it */
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FIXME("IPX_FILTERPTYPE: %x\n", *optval);
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/* Returning 0 is better for now than returning a SOCKET_ERROR */
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return 0;
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default:
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FIXME("opt_name:%x\n", optname);
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return SOCKET_ERROR;
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}
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return 0;
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}
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#endif
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/* Is a privileged and useless operation, so we don't. */
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if ((optname == WS_SO_DEBUG) && (level == WS_SOL_SOCKET))
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{
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FIXME("(%d,SOL_SOCKET,SO_DEBUG,%p(%d)) attempted (is privileged). Ignoring.\n",s,optval,*(const DWORD*)optval);
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return 0;
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}
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if(optname == WS_SO_DONTLINGER && level == WS_SOL_SOCKET) {
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/* This is unique to WinSock and takes special conversion */
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linger.l_onoff = *((const int*)optval) ? 0: 1;
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linger.l_linger = 0;
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optname=SO_LINGER;
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optval = (char*)&linger;
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optlen = sizeof(struct linger);
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level = SOL_SOCKET;
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}
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else
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{
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if (!convert_sockopt(&level, &optname)) {
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ERR("Invalid level (%d) or optname (%d)\n", level, optname);
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SetLastError(WSAENOPROTOOPT);
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return SOCKET_ERROR;
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}
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if (optname == SO_LINGER && optval) {
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case WS_SO_LINGER:
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linger.l_onoff = ((LINGER*)optval)->l_onoff;
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linger.l_linger = ((LINGER*)optval)->l_linger;
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/* FIXME: what is documented behavior if SO_LINGER optval
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is null?? */
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level = SOL_SOCKET;
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optname = SO_LINGER;
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optval = (char*)&linger;
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optlen = sizeof(struct linger);
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}
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else if (optval && optlen < sizeof(int))
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{
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woptval= *((const INT16 *) optval);
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optval= (char*) &woptval;
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optlen=sizeof(int);
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}
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if (level == SOL_SOCKET && is_timeout_option(optname))
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{
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if (optlen == sizeof(UINT32)) {
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break;
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case WS_SO_RCVBUF:
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if (*(const int*)optval < 2048)
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{
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WARN("SO_RCVBF for %d bytes is too small: ignored\n", *(const int*)optval );
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return 0;
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}
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/* Fall through */
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/* The options listed here don't need any special handling. Thanks to
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* the conversion happening above, options from there will fall through
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* to this, too.*/
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case WS_SO_ACCEPTCONN:
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case WS_SO_BROADCAST:
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case WS_SO_ERROR:
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case WS_SO_KEEPALIVE:
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case WS_SO_OOBINLINE:
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case WS_SO_SNDBUF:
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case WS_SO_TYPE:
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convert_sockopt(&level, &optname);
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break;
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/* SO_DEBUG is a privileged operation, ignore it. */
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case WS_SO_DEBUG:
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TRACE("Ignoring SO_DEBUG\n");
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return 0;
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/* For some reason the game GrandPrixLegends does set SO_DONTROUTE on its
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* socket. According to MSDN, this option is silently ignored.*/
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case WS_SO_DONTROUTE:
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TRACE("Ignoring SO_DONTROUTE\n");
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return 0;
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/* Stops two sockets from being bound to the same port. Always happens
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* on unix systems, so just drop it. */
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case WS_SO_EXCLUSIVEADDRUSE:
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TRACE("Ignoring SO_EXCLUSIVEADDRUSE, is always set.\n");
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return 0;
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/* SO_OPENTYPE does not require a valid socket handle. */
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case WS_SO_OPENTYPE:
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if (!optlen || optlen < sizeof(int) || !optval)
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{
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SetLastError(WSAEFAULT);
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return SOCKET_ERROR;
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}
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get_per_thread_data()->opentype = *(const int *)optval;
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TRACE("setting global SO_OPENTYPE = 0x%x\n", *((int*)optval) );
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return 0;
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/* SO_REUSEADDR allows two applications to bind to the same port at at
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* same time. There is no direct way to do that in unix. While Wineserver
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* might do this, it does not seem useful for now, so just ignore it.*/
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case WS_SO_REUSEADDR:
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FIXME("Ignoring SO_REUSEADDR, does not translate\n");
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return 0;
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#ifdef SO_RCVTIMEO
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case WS_SO_RCVTIMEO:
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#endif
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#ifdef SO_SNDTIMEO
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case WS_SO_SNDTIMEO:
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#endif
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#if defined(SO_RCVTIMEO) || defined(SO_SNDTIMEO)
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if (optval && optlen == sizeof(UINT32)) {
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/* WinSock passes miliseconds instead of struct timeval */
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tval.tv_usec = (*(const UINT32*)optval % 1000) * 1000;
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tval.tv_sec = *(const UINT32*)optval / 1000;
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@ -2995,15 +2979,105 @@ int WINAPI WS_setsockopt(SOCKET s, int level, int optname,
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WARN("SO_SND/RCVTIMEO for %d bytes is weird: ignored\n", optlen);
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return 0;
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}
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convert_sockopt(&level, &optname);
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break;
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#endif
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default:
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TRACE("Unknown SOL_SOCKET optname: 0x%08x\n", optname);
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SetLastError(WSAENOPROTOOPT);
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return SOCKET_ERROR;
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}
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if (level == SOL_SOCKET && optname == SO_RCVBUF && *(const int*)optval < 2048)
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break; /* case WS_SOL_SOCKET */
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#ifdef HAVE_IPX
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case NSPROTO_IPX:
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switch(optname)
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{
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WARN("SO_RCVBF for %d bytes is too small: ignored\n", *(const int*)optval );
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case IPX_PTYPE:
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fd = get_sock_fd( s, 0, NULL );
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TRACE("trying to set IPX_PTYPE: %d (fd: %d)\n", *(const int*)optval, fd);
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/* We try to set the ipx type on ipx socket level. */
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#ifdef SOL_IPX
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if(setsockopt(fd, SOL_IPX, IPX_TYPE, optval, optlen) == -1)
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{
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ERR("IPX: could not set ipx option type; expect weird behaviour\n");
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release_sock_fd( s, fd );
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return SOCKET_ERROR;
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}
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#else
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{
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struct ipx val;
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/* Should we retrieve val using a getsockopt call and then
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* set the modified one? */
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val.ipx_pt = *optval;
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setsockopt(fd, 0, SO_DEFAULT_HEADERS, &val, sizeof(struct ipx));
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}
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#endif
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release_sock_fd( s, fd );
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return 0;
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case IPX_FILTERPTYPE:
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/* Sets the receive filter packet type, at the moment we don't support it */
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FIXME("IPX_FILTERPTYPE: %x\n", *optval);
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/* Returning 0 is better for now than returning a SOCKET_ERROR */
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return 0;
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default:
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FIXME("opt_name:%x\n", optname);
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return SOCKET_ERROR;
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}
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break; /* case NSPROTO_IPX */
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#endif
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/* Levels WS_IPPROTO_TCP and WS_IPPROTO_IP convert directly */
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case WS_IPPROTO_TCP:
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switch(optname)
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{
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case WS_TCP_NODELAY:
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convert_sockopt(&level, &optname);
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break;
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default:
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FIXME("Unknown IPPROTO_TCP optname 0x%08x\n", optname);
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return SOCKET_ERROR;
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}
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break;
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case WS_IPPROTO_IP:
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switch(optname)
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{
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case WS_IP_ADD_MEMBERSHIP:
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case WS_IP_DROP_MEMBERSHIP:
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#ifdef IP_HDRINCL
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case WS_IP_HDRINCL:
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#endif
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case WS_IP_MULTICAST_IF:
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case WS_IP_MULTICAST_LOOP:
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case WS_IP_MULTICAST_TTL:
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case WS_IP_OPTIONS:
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case WS_IP_TOS:
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case WS_IP_TTL:
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convert_sockopt(&level, &optname);
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break;
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default:
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FIXME("Unknown IPPROTO_IP optname 0x%08x\n", optname);
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return SOCKET_ERROR;
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}
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break;
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default:
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FIXME("Unknown level: 0x%08x\n", level);
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return SOCKET_ERROR;
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} /* end switch(level) */
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/* avoid endianness issues if argument is a 16-bit int */
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if (optval && optlen < sizeof(int))
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{
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woptval= *((const INT16 *) optval);
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optval= (char*) &woptval;
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optlen=sizeof(int);
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}
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fd = get_sock_fd( s, 0, NULL );
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if (fd == -1) return SOCKET_ERROR;
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@ -3015,6 +3089,7 @@ int WINAPI WS_setsockopt(SOCKET s, int level, int optname,
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TRACE("Setting socket error, %d\n", wsaErrno());
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SetLastError(wsaErrno());
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release_sock_fd( s, fd );
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return SOCKET_ERROR;
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}
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