dlls/wsock32/protocol.c

   1 /*
   2  * WSOCK32 specific functions
   3  *
   4  * Copyright (C) 2001 Stefan Leichter
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 /* All we need are a couple constants for EnumProtocols. Once it is
  22  * moved to ws2_32 we may no longer need it
  23  */
  24 #define USE_WS_PREFIX
  25
  26 #include "config.h"
  27
  28 #include <stdio.h>
  29 #include <string.h>
  30
  31 #include <sys/types.h>
  32 #ifdef HAVE_SYS_SOCKET_H
  33 #include <sys/socket.h>
  34 #endif
  35 #ifdef HAVE_NETINET_IN_H
  36 # include <netinet/in.h>
  37 #endif
  38 #ifdef HAVE_ARPA_INET_H
  39 #include <arpa/inet.h>
  40 #endif
  41 #ifdef HAVE_NETDB_H
  42 #include <netdb.h>
  43 #endif
  44
  45 #include "winbase.h"
  46 #include "winnls.h"
  47 #include "wine/unicode.h"
  48 #include "nspapi.h"
  49 #include "winsock2.h"
  50 #include "wsipx.h"
  51 #include "wshisotp.h"
  52
  53 #include "wine/debug.h"
  54
  55 WINE_DEFAULT_DEBUG_CHANNEL(winsock);
  56
  57 /* name of the protocols
  58  */
  59 static WCHAR NameIpx[]   = {'I', 'P', 'X', '\0'};
  60 static WCHAR NameSpx[]   = {'S', 'P', 'X', '\0'};
  61 static WCHAR NameSpxII[] = {'S', 'P', 'X', ' ', 'I', 'I', '\0'};
  62 static WCHAR NameTcp[]   = {'T', 'C', 'P', '/', 'I', 'P', '\0'};
  63 static WCHAR NameUdp[]   = {'U', 'D', 'P', '/', 'I', 'P', '\0'};
  64
  65 /*****************************************************************************
  66  *          WSOCK32_EnterSingleProtocol [internal]
  67  *
  68  *    enters the protocol informations of one given protocol into the
  69  *    given buffer. If the given buffer is too small only the required size for
  70  *    the protocols are returned.
  71  *
  72  * RETURNS
  73  *    The number of protocols entered into the buffer
  74  *
  75  * BUGS
  76  *    - only implemented for IPX, SPX, SPXII, TCP, UDP
  77  *    - there is no check that the operating system supports the returned
  78  *      protocols
  79  */
  80 static INT WSOCK32_EnterSingleProtocol( INT iProtocol,
  81                                         PROTOCOL_INFOA* lpBuffer,
  82                                         LPDWORD lpSize, BOOL unicode)
  83 { DWORD  dwLength = 0, dwOldSize = *lpSize;
  84   INT    iAnz = 1;
  85   WCHAR  *lpProtName = NULL;
  86
  87   *lpSize = sizeof( PROTOCOL_INFOA);
  88   switch (iProtocol) {
  89     case WS_IPPROTO_TCP :
  90         dwLength = (unicode) ? sizeof(WCHAR) * (strlenW(NameTcp)+1) :
  91                                WideCharToMultiByte( CP_ACP, 0, NameTcp, -1,
  92                                                     NULL, 0, NULL, NULL);
  93       break;
  94     case WS_IPPROTO_UDP :
  95         dwLength = (unicode) ? sizeof(WCHAR) * (strlenW(NameUdp)+1) :
  96                                WideCharToMultiByte( CP_ACP, 0, NameUdp, -1,
  97                                                     NULL, 0, NULL, NULL);
  98       break;
  99     case NSPROTO_IPX :
 100         dwLength = (unicode) ? sizeof(WCHAR) * (strlenW(NameIpx)+1) :
 101                                WideCharToMultiByte( CP_ACP, 0, NameIpx, -1,
 102                                                     NULL, 0, NULL, NULL);
 103       break;
 104     case NSPROTO_SPX :
 105         dwLength = (unicode) ? sizeof(WCHAR) * (strlenW(NameSpx)+1) :
 106                                WideCharToMultiByte( CP_ACP, 0, NameSpx, -1,
 107                                                     NULL, 0, NULL, NULL);
 108       break;
 109     case NSPROTO_SPXII :
 110         dwLength = (unicode) ? sizeof(WCHAR) * (strlenW(NameSpxII)+1) :
 111                                WideCharToMultiByte( CP_ACP, 0, NameSpxII, -1,
 112                                                     NULL, 0, NULL, NULL);
 113       break;
 114     default:
 115         *lpSize = 0;
 116         if ((iProtocol == ISOPROTO_TP4) || (iProtocol == NSPROTO_SPX))
 117           FIXME("Protocol <%s> not implemented\n",
 118                 (iProtocol == ISOPROTO_TP4) ? "ISOPROTO_TP4" : "NSPROTO_SPX");
 119         else
 120           FIXME("unknown Protocol <0x%08x>\n", iProtocol);
 121       break;
 122   }
 123   *lpSize += dwLength;
 124
 125   if ( !lpBuffer || !*lpSize || (*lpSize > dwOldSize))
 126      return 0;
 127
 128   memset( lpBuffer, 0, dwOldSize);
 129
 130   lpBuffer->lpProtocol = (LPSTR) &lpBuffer[ iAnz];
 131   lpBuffer->iProtocol  = iProtocol;
 132
 133   switch (iProtocol) {
 134     case WS_IPPROTO_TCP :
 135         lpBuffer->dwServiceFlags = XP_FRAGMENTATION      | XP_EXPEDITED_DATA     |
 136                                    XP_GRACEFUL_CLOSE     | XP_GUARANTEED_ORDER   |
 137                                    XP_GUARANTEED_DELIVERY;
 138         lpBuffer->iAddressFamily = WS_AF_INET;
 139         lpBuffer->iMaxSockAddr   = 0x10;  /* NT4 SP5 */
 140         lpBuffer->iMinSockAddr   = 0x10;  /* NT4 SP5 */
 141         lpBuffer->iSocketType    = SOCK_STREAM;
 142         lpBuffer->dwMessageSize  = 0;
 143         lpProtName = NameTcp;
 144       break;
 145     case WS_IPPROTO_UDP :
 146         lpBuffer->dwServiceFlags = XP_FRAGMENTATION      | XP_SUPPORTS_BROADCAST |
 147                                    XP_SUPPORTS_MULTICAST | XP_MESSAGE_ORIENTED   |
 148                                    XP_CONNECTIONLESS;
 149         lpBuffer->iAddressFamily = WS_AF_INET;
 150         lpBuffer->iMaxSockAddr   = 0x10;  /* NT4 SP5 */
 151         lpBuffer->iMinSockAddr   = 0x10;  /* NT4 SP5 */
 152         lpBuffer->iSocketType    = SOCK_DGRAM;
 153         lpBuffer->dwMessageSize  = 65457; /* NT4 SP5 */
 154         lpProtName = NameUdp;
 155       break;
 156     case NSPROTO_IPX :
 157         lpBuffer->dwServiceFlags = XP_FRAGMENTATION      | XP_SUPPORTS_BROADCAST |
 158                                    XP_SUPPORTS_MULTICAST | XP_MESSAGE_ORIENTED   |
 159                                    XP_CONNECTIONLESS;
 160         lpBuffer->iAddressFamily = WS_AF_IPX;
 161         lpBuffer->iMaxSockAddr   = 0x10;  /* NT4 SP5 */
 162         lpBuffer->iMinSockAddr   = 0x0e;  /* NT4 SP5 */
 163         lpBuffer->iSocketType    = SOCK_DGRAM;
 164         lpBuffer->dwMessageSize  = 576;   /* NT4 SP5 */
 165         lpProtName = NameIpx;
 166       break;
 167     case NSPROTO_SPX :
 168         lpBuffer->dwServiceFlags = XP_FRAGMENTATION      |
 169                                    XP_PSEUDO_STREAM      | XP_MESSAGE_ORIENTED   |
 170                                    XP_GUARANTEED_ORDER   | XP_GUARANTEED_DELIVERY;
 171         lpBuffer->iAddressFamily = WS_AF_IPX;
 172         lpBuffer->iMaxSockAddr   = 0x10;  /* NT4 SP5 */
 173         lpBuffer->iMinSockAddr   = 0x0e;  /* NT4 SP5 */
 174         lpBuffer->iSocketType    = 5;
 175         lpBuffer->dwMessageSize  = -1;    /* NT4 SP5 */
 176         lpProtName = NameSpx;
 177       break;
 178     case NSPROTO_SPXII :
 179         lpBuffer->dwServiceFlags = XP_FRAGMENTATION      | XP_GRACEFUL_CLOSE     |
 180                                    XP_PSEUDO_STREAM      | XP_MESSAGE_ORIENTED   |
 181                                    XP_GUARANTEED_ORDER   | XP_GUARANTEED_DELIVERY;
 182         lpBuffer->iAddressFamily = WS_AF_IPX;
 183         lpBuffer->iMaxSockAddr   = 0x10;  /* NT4 SP5 */
 184         lpBuffer->iMinSockAddr   = 0x0e;  /* NT4 SP5 */
 185         lpBuffer->iSocketType    = 5;
 186         lpBuffer->dwMessageSize  = -1;    /* NT4 SP5 */
 187         lpProtName = NameSpxII;
 188       break;
 189   }
 190   if (unicode)
 191     strcpyW( (LPWSTR)lpBuffer->lpProtocol, lpProtName);
 192   else
 193     WideCharToMultiByte( CP_ACP, 0, lpProtName, -1, lpBuffer->lpProtocol,
 194                          dwOldSize - iAnz * sizeof( PROTOCOL_INFOA), NULL, NULL);
 195
 196   return iAnz;
 197 }
 198
 199 /* FIXME: EnumProtocols should be moved to winsock2, and this should be
 200  * implemented by calling out to WSAEnumProtocols. See:
 201  * http://support.microsoft.com/support/kb/articles/Q129/3/15.asp
 202  */
 203 /*****************************************************************************
 204  *          WSOCK32_EnumProtocol [internal]
 205  *
 206  *    Enters the information about installed protocols into a given buffer
 207  *
 208  * RETURNS
 209  *    SOCKET_ERROR if the buffer is to small for the requested protocol infos
 210  *    on success the number of protocols inside the buffer
 211  *
 212  * NOTE
 213  *    NT4SP5 does not return SPX if lpiProtocols == NULL
 214  *
 215  * BUGS
 216  *    - NT4SP5 returns in addition these list of NETBIOS protocols
 217  *      (address family 17), each entry two times one for socket type 2 and 5
 218  *
 219  *      iProtocol   lpProtocol
 220  *      0x80000000  \Device\NwlnkNb
 221  *      0xfffffffa  \Device\NetBT_CBENT7
 222  *      0xfffffffb  \Device\Nbf_CBENT7
 223  *      0xfffffffc  \Device\NetBT_NdisWan5
 224  *      0xfffffffd  \Device\NetBT_El9202
 225  *      0xfffffffe  \Device\Nbf_El9202
 226  *      0xffffffff  \Device\Nbf_NdisWan4
 227  *
 228  *    - there is no check that the operating system supports the returned
 229  *      protocols
 230  */
 231 static INT WSOCK32_EnumProtocol( LPINT lpiProtocols, PROTOCOL_INFOA* lpBuffer,
 232                                  LPDWORD lpdwLength, BOOL unicode)
 233 { DWORD dwCurSize, dwOldSize = *lpdwLength, dwTemp;
 234   INT   anz = 0, i;
 235   INT   iLocal[] = { WS_IPPROTO_TCP, WS_IPPROTO_UDP, NSPROTO_IPX, NSPROTO_SPXII, 0};
 236
 237   if (!lpiProtocols) lpiProtocols = iLocal;
 238
 239   *lpdwLength = 0;
 240   while ( *lpiProtocols )
 241   { dwCurSize = 0;
 242     WSOCK32_EnterSingleProtocol( *lpiProtocols, NULL, &dwCurSize, unicode);
 243
 244     if ( lpBuffer && dwCurSize && ((*lpdwLength + dwCurSize) <= dwOldSize))
 245     { /* reserve the required space for the current protocol_info after the
 246        * last protocol_info before the start of the string buffer and adjust
 247        * the references into the string buffer
 248        */
 249       memmove( &((char*)&lpBuffer[ anz])[dwCurSize],
 250                   &lpBuffer[ anz],
 251                *lpdwLength - anz * sizeof( PROTOCOL_INFOA));
 252       for (i=0; i < anz; i++)
 253         lpBuffer[i].lpProtocol += dwCurSize;
 254
 255       dwTemp = dwCurSize;
 256       anz += WSOCK32_EnterSingleProtocol( *lpiProtocols, &lpBuffer[anz],
 257                                           &dwTemp, unicode);
 258     }
 259
 260     *lpdwLength += dwCurSize;
 261     lpiProtocols++;
 262   }
 263
 264   if (dwOldSize < *lpdwLength) anz = SOCKET_ERROR;
 265
 266   return anz;
 267 }
 268
 269 /*****************************************************************************
 270  *          EnumProtocolsA       [WSOCK32.1111]
 271  *
 272  *    see function WSOCK32_EnumProtocol for RETURNS, BUGS
 273  */
 274 INT WINAPI EnumProtocolsA( LPINT lpiProtocols, LPVOID lpBuffer,
 275                            LPDWORD lpdwLength)
 276 {
 277    return WSOCK32_EnumProtocol( lpiProtocols, (PROTOCOL_INFOA*) lpBuffer,
 278                                 lpdwLength, FALSE);
 279 }
 280
 281 /*****************************************************************************
 282  *          EnumProtocolsW       [WSOCK32.1112]
 283  *
 284  *    see function WSOCK32_EnumProtocol for RETURNS, BUGS
 285  */
 286 INT WINAPI EnumProtocolsW( LPINT lpiProtocols, LPVOID lpBuffer,
 287                            LPDWORD lpdwLength)
 288 {
 289    return WSOCK32_EnumProtocol( lpiProtocols, (PROTOCOL_INFOA*) lpBuffer,
 290                                 lpdwLength, TRUE);
 291 }
 292
 293 /*****************************************************************************
 294  *          inet_network       [WSOCK32.1100]
 295  */
 296 UINT WINAPI WSOCK32_inet_network(const char *cp)
 297 {
 298     return inet_network(cp);
 299 }
 300
 301 /*****************************************************************************
 302  *          getnetbyname       [WSOCK32.1101]
 303  */
 304 struct netent * WINAPI WSOCK32_getnetbyname(const char *name)
 305 {
 306     return getnetbyname(name);
 307 }