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Sweden-Number/dlls/ws2_32/protocol.c

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/*
* Protocol enumeration functions
*
* Copyright (C) 2001 Stefan Leichter
* Copyright (C) 2004 Hans Leidekker
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
/* 02/11/2004
* The protocol enumeration functions were verified to match Win2k versions
* for these protocols: IPX, SPX, SPXII, TCP/IP and UDP/IP.
*/
#include "config.h"
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
#include "windef.h"
#include "winbase.h"
#include "wtypes.h"
#include "nspapi.h"
#include "winsock2.h"
#include "wsipx.h"
#include "wshisotp.h"
#include "ws2spi.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(winsock);
/* names of the protocols */
static const WCHAR NameIpxW[] = {'I', 'P', 'X', '\0'};
static const WCHAR NameSpxW[] = {'S', 'P', 'X', '\0'};
static const WCHAR NameSpxIIW[] = {'S', 'P', 'X', ' ', 'I', 'I', '\0'};
static const WCHAR NameTcpW[] = {'T', 'C', 'P', '/', 'I', 'P', '\0'};
static const WCHAR NameUdpW[] = {'U', 'D', 'P', '/', 'I', 'P', '\0'};
/* Taken from Win2k */
static const GUID ProviderIdIP = { 0xe70f1aa0, 0xab8b, 0x11cf,
{ 0x8c, 0xa3, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92 } };
static const GUID ProviderIdIPX = { 0x11058240, 0xbe47, 0x11cf,
{ 0x95, 0xc8, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92 } };
static const GUID ProviderIdSPX = { 0x11058241, 0xbe47, 0x11cf,
{ 0x95, 0xc8, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92 } };
/*****************************************************************************
* WINSOCK_EnterSingleProtocolW [internal]
*
* enters the protocol information of one given protocol into the given
* buffer.
*
* RETURNS
* 1 if a protocol was entered into the buffer.
* SOCKET_ERROR otherwise.
*
* BUGS
* - only implemented for IPX, SPX, SPXII, TCP, UDP
* - there is no check that the operating system supports the returned
* protocols
*/
static INT WINSOCK_EnterSingleProtocolW( INT protocol, WSAPROTOCOL_INFOW* info )
{
memset( info, 0, sizeof(WSAPROTOCOL_INFOW) );
info->iProtocol = protocol;
switch (protocol)
{
case WS_IPPROTO_TCP:
info->dwServiceFlags1 = XP1_IFS_HANDLES | XP1_EXPEDITED_DATA |
XP1_GRACEFUL_CLOSE | XP1_GUARANTEED_ORDER |
XP1_GUARANTEED_DELIVERY;
info->ProviderId = ProviderIdIP;
info->dwCatalogEntryId = 0x3e9;
info->ProtocolChain.ChainLen = 1;
info->iVersion = 2;
info->iAddressFamily = WS_AF_INET;
info->iMaxSockAddr = 0x10;
info->iMinSockAddr = 0x10;
info->iSocketType = WS_SOCK_STREAM;
strcpyW( info->szProtocol, NameTcpW );
break;
case WS_IPPROTO_UDP:
info->dwServiceFlags1 = XP1_IFS_HANDLES | XP1_SUPPORT_BROADCAST |
XP1_SUPPORT_MULTIPOINT | XP1_MESSAGE_ORIENTED |
XP1_CONNECTIONLESS;
info->ProviderId = ProviderIdIP;
info->dwCatalogEntryId = 0x3ea;
info->ProtocolChain.ChainLen = 1;
info->iVersion = 2;
info->iAddressFamily = WS_AF_INET;
info->iMaxSockAddr = 0x10;
info->iMinSockAddr = 0x10;
info->iSocketType = WS_SOCK_DGRAM;
info->dwMessageSize = 0xffbb;
strcpyW( info->szProtocol, NameUdpW );
break;
case NSPROTO_IPX:
info->dwServiceFlags1 = XP1_PARTIAL_MESSAGE | XP1_SUPPORT_BROADCAST |
XP1_SUPPORT_MULTIPOINT | XP1_MESSAGE_ORIENTED |
XP1_CONNECTIONLESS;
info->ProviderId = ProviderIdIPX;
info->dwCatalogEntryId = 0x406;
info->ProtocolChain.ChainLen = 1;
info->iVersion = 2;
info->iAddressFamily = WS_AF_IPX;
info->iMaxSockAddr = 0x10;
info->iMinSockAddr = 0x0e;
info->iSocketType = WS_SOCK_DGRAM;
info->iProtocolMaxOffset = 0xff;
info->dwMessageSize = 0x240;
strcpyW( info->szProtocol, NameIpxW );
break;
case NSPROTO_SPX:
info->dwServiceFlags1 = XP1_IFS_HANDLES | XP1_PSEUDO_STREAM |
XP1_MESSAGE_ORIENTED | XP1_GUARANTEED_ORDER |
XP1_GUARANTEED_DELIVERY;
info->ProviderId = ProviderIdSPX;
info->dwCatalogEntryId = 0x407;
info->ProtocolChain.ChainLen = 1;
info->iVersion = 2;
info->iAddressFamily = WS_AF_IPX;
info->iMaxSockAddr = 0x10;
info->iMinSockAddr = 0x0e;
info->iSocketType = 5;
info->dwMessageSize = 0xffffffff;
strcpyW( info->szProtocol, NameSpxW );
break;
case NSPROTO_SPXII:
info->dwServiceFlags1 = XP1_IFS_HANDLES | XP1_GRACEFUL_CLOSE |
XP1_PSEUDO_STREAM | XP1_MESSAGE_ORIENTED |
XP1_GUARANTEED_ORDER | XP1_GUARANTEED_DELIVERY;
info->ProviderId = ProviderIdSPX;
info->dwCatalogEntryId = 0x409;
info->ProtocolChain.ChainLen = 1;
info->iVersion = 2;
info->iAddressFamily = WS_AF_IPX;
info->iMaxSockAddr = 0x10;
info->iMinSockAddr = 0x0e;
info->iSocketType = 5;
info->dwMessageSize = 0xffffffff;
strcpyW( info->szProtocol, NameSpxIIW );
break;
default:
if ((protocol == ISOPROTO_TP4) || (protocol == NSPROTO_SPX))
FIXME("Protocol <%s> not implemented\n",
(protocol == ISOPROTO_TP4) ? "ISOPROTO_TP4" : "NSPROTO_SPX");
else
FIXME("unknown Protocol <0x%08x>\n", protocol);
return SOCKET_ERROR;
}
return 1;
}
/*****************************************************************************
* WINSOCK_EnterSingleProtocolA [internal]
*
* see function WINSOCK_EnterSingleProtocolW
*
*/
static INT WINSOCK_EnterSingleProtocolA( INT protocol, WSAPROTOCOL_INFOA* info )
{
WSAPROTOCOL_INFOW infow;
INT ret;
memset( info, 0, sizeof(WSAPROTOCOL_INFOA) );
ret = WINSOCK_EnterSingleProtocolW( protocol, &infow );
if (ret != SOCKET_ERROR)
{
/* convert the structure from W to A */
memcpy( info, &infow, FIELD_OFFSET( WSAPROTOCOL_INFOA, szProtocol ) );
WideCharToMultiByte( CP_ACP, 0, infow.szProtocol, -1,
info->szProtocol, WSAPROTOCOL_LEN+1, NULL, NULL );
}
return ret;
}
static INT WINSOCK_EnumProtocols( BOOL unicode, LPINT protocols, LPWSAPROTOCOL_INFOW buffer, LPDWORD len )
{
INT i = 0;
DWORD size = 0;
INT local[] = { WS_IPPROTO_TCP, WS_IPPROTO_UDP, NSPROTO_IPX, NSPROTO_SPX, NSPROTO_SPXII, 0 };
union _info
{
LPWSAPROTOCOL_INFOA a;
LPWSAPROTOCOL_INFOW w;
} info;
info.w = buffer;
if (!protocols) protocols = local;
while (protocols[i]) i++;
size = i * (unicode ? sizeof(WSAPROTOCOL_INFOW) : sizeof(WSAPROTOCOL_INFOA));
if (*len < size || !buffer)
{
*len = size;
WSASetLastError(WSAENOBUFS);
return SOCKET_ERROR;
}
for (i = 0; protocols[i]; i++)
{
if (unicode)
{
if (WINSOCK_EnterSingleProtocolW( protocols[i], &info.w[i] ) == SOCKET_ERROR)
break;
}
else
{
if (WINSOCK_EnterSingleProtocolA( protocols[i], &info.a[i] ) == SOCKET_ERROR)
break;
}
}
return i;
}
/*****************************************************************************
* WSAEnumProtocolsA [WS2_32.@]
*
* see function WSAEnumProtocolsW
*/
INT WINAPI WSAEnumProtocolsA( LPINT protocols, LPWSAPROTOCOL_INFOA buffer, LPDWORD len )
{
return WINSOCK_EnumProtocols( FALSE, protocols, (LPWSAPROTOCOL_INFOW) buffer, len);
}
/*****************************************************************************
* WSAEnumProtocolsW [WS2_32.@]
*
* Retrieves information about specified set of active network protocols.
*
* PARAMS
* protocols [I] Pointer to null-terminated array of protocol id's. NULL
* retrieves information on all available protocols.
* buffer [I] Pointer to a buffer to be filled with WSAPROTOCOL_INFO
* structures.
* len [I/O] Pointer to a variable specifying buffer size. On output
* the variable holds the number of bytes needed when the
* specified size is too small.
*
* RETURNS
* Success: number of WSAPROTOCOL_INFO structures in buffer.
* Failure: SOCKET_ERROR
*
* NOTES
* NT4SP5 does not return SPX if protocols == NULL
*
* BUGS
* - NT4SP5 returns in addition these list of NETBIOS protocols
* (address family 17), each entry two times one for socket type 2 and 5
*
* iProtocol szProtocol
* 0x80000000 \Device\NwlnkNb
* 0xfffffffa \Device\NetBT_CBENT7
* 0xfffffffb \Device\Nbf_CBENT7
* 0xfffffffc \Device\NetBT_NdisWan5
* 0xfffffffd \Device\NetBT_El9202
* 0xfffffffe \Device\Nbf_El9202
* 0xffffffff \Device\Nbf_NdisWan4
*
* - there is no check that the operating system supports the returned
* protocols
*/
INT WINAPI WSAEnumProtocolsW( LPINT protocols, LPWSAPROTOCOL_INFOW buffer, LPDWORD len )
{
return WINSOCK_EnumProtocols( TRUE, protocols, buffer, len);
}
/*****************************************************************************
* WSCEnumProtocols [WS2_32.@]
*
* PARAMS
* protocols [I] Null-terminated array of iProtocol values.
* buffer [O] Buffer of WSAPROTOCOL_INFOW structures.
* len [I/O] Size of buffer on input/output.
* errno [O] Error code.
*
* RETURNS
* Success: number of protocols to be reported on.
* Failure: SOCKET_ERROR. error is in errno.
*
* BUGS
* Doesn't supply info on layered protocols.
*
*/
INT WINAPI WSCEnumProtocols( LPINT protocols, LPWSAPROTOCOL_INFOW buffer, LPDWORD len, LPINT err )
{
INT ret = WSAEnumProtocolsW( protocols, buffer, len );
if (ret == SOCKET_ERROR) *err = WSAENOBUFS;
return ret;
}
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