dlls/ws2_32/protocol.c

   1 /*
   2  * Protocol enumeration functions
   3  *
   4  * Copyright (C) 2001 Stefan Leichter
   5  * Copyright (C) 2004 Hans Leidekker
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 /*  02/11/2004
  23  *  The protocol enumeration functions were verified to match Win2k versions
  24  *  for these protocols: IPX, SPX, SPXII, TCP/IP and UDP/IP.
  25  */
  26
  27 #include "config.h"
  28
  29 #include <stdarg.h>
  30 #include <stdio.h>
  31 #include <string.h>
  32
  33 #include <sys/types.h>
  34 #ifdef HAVE_ARPA_INET_H
  35 #include <arpa/inet.h>
  36 #endif
  37 #ifdef HAVE_NETDB_H
  38 #include <netdb.h>
  39 #endif
  40
  41 #include "windef.h"
  42 #include "winbase.h"
  43 #include "wtypes.h"
  44 #include "nspapi.h"
  45 #include "winsock2.h"
  46 #include "wsipx.h"
  47 #include "wshisotp.h"
  48 #include "ws2spi.h"
  49
  50 #include "wine/unicode.h"
  51 #include "wine/debug.h"
  52
  53 WINE_DEFAULT_DEBUG_CHANNEL(winsock);
  54
  55 /* names of the protocols */
  56 static const CHAR NameIpx[]   = "IPX";
  57 static const CHAR NameSpx[]   = "SPX";
  58 static const CHAR NameSpxII[] = "SPX II";
  59 static const CHAR NameTcp[]   = "TCP/IP";
  60 static const CHAR NameUdp[]   = "UDP/IP";
  61
  62 static const WCHAR NameIpxW[]   = {'I', 'P', 'X', '\0'};
  63 static const WCHAR NameSpxW[]   = {'S', 'P', 'X', '\0'};
  64 static const WCHAR NameSpxIIW[] = {'S', 'P', 'X', ' ', 'I', 'I', '\0'};
  65 static const WCHAR NameTcpW[]   = {'T', 'C', 'P', '/', 'I', 'P', '\0'};
  66 static const WCHAR NameUdpW[]   = {'U', 'D', 'P', '/', 'I', 'P', '\0'};
  67
  68 /* Taken from Win2k */
  69 static const GUID ProviderIdIP = { 0xe70f1aa0, 0xab8b, 0x11cf,
  70                                    { 0x8c, 0xa3, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92 } };
  71 static const GUID ProviderIdIPX = { 0x11058240, 0xbe47, 0x11cf,
  72                                     { 0x95, 0xc8, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92 } };
  73 static const GUID ProviderIdSPX = { 0x11058241, 0xbe47, 0x11cf,
  74                                     { 0x95, 0xc8, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92 } };
  75
  76 /*****************************************************************************
  77  *          WINSOCK_EnterSingleProtocolW [internal]
  78  *
  79  *    enters the protocol information of one given protocol into the given
  80  *    buffer.
  81  *
  82  * RETURNS
  83  *    1 if a protocol was entered into the buffer.
  84  *    SOCKET_ERROR otherwise.
  85  *
  86  * BUGS
  87  *    - only implemented for IPX, SPX, SPXII, TCP, UDP
  88  *    - there is no check that the operating system supports the returned
  89  *      protocols
  90  */
  91 static INT WINSOCK_EnterSingleProtocolW( INT protocol, WSAPROTOCOL_INFOW* info )
  92 {
  93     memset( info, 0, sizeof(WSAPROTOCOL_INFOW) );
  94     info->iProtocol = protocol;
  95
  96     switch (protocol)
  97     {
  98     case WS_IPPROTO_TCP:
  99         info->dwServiceFlags1 = XP1_PARTIAL_MESSAGE | XP1_EXPEDITED_DATA |
 100                                 XP1_GRACEFUL_CLOSE | XP1_GUARANTEED_ORDER |
 101                                 XP1_GUARANTEED_DELIVERY;
 102         info->ProviderId = ProviderIdIP;
 103         info->dwCatalogEntryId = 0x3e9;
 104         info->ProtocolChain.ChainLen = 1;
 105         info->iVersion = 2;
 106         info->iAddressFamily = WS_AF_INET;
 107         info->iMaxSockAddr = 0x10;
 108         info->iMinSockAddr = 0x10;
 109         info->iSocketType = WS_SOCK_STREAM;
 110         strcpyW( info->szProtocol, NameTcpW );
 111         break;
 112
 113     case WS_IPPROTO_UDP:
 114         info->dwServiceFlags1 = XP1_PARTIAL_MESSAGE | XP1_SUPPORT_BROADCAST |
 115                                 XP1_SUPPORT_MULTIPOINT | XP1_MESSAGE_ORIENTED |
 116                                 XP1_CONNECTIONLESS;
 117         info->ProviderId = ProviderIdIP;
 118         info->dwCatalogEntryId = 0x3ea;
 119         info->ProtocolChain.ChainLen = 1;
 120         info->iVersion = 2;
 121         info->iAddressFamily = WS_AF_INET;
 122         info->iMaxSockAddr = 0x10;
 123         info->iMinSockAddr = 0x10;
 124         info->iSocketType = WS_SOCK_DGRAM;
 125         info->dwMessageSize = 0xffbb;
 126         strcpyW( info->szProtocol, NameUdpW );
 127         break;
 128
 129     case NSPROTO_IPX:
 130         info->dwServiceFlags1 = XP1_PARTIAL_MESSAGE | XP1_SUPPORT_BROADCAST |
 131                                 XP1_SUPPORT_MULTIPOINT | XP1_MESSAGE_ORIENTED |
 132                                 XP1_CONNECTIONLESS;
 133         info->ProviderId = ProviderIdIPX;
 134         info->dwCatalogEntryId = 0x406;
 135         info->ProtocolChain.ChainLen = 1;
 136         info->iVersion = 2;
 137         info->iAddressFamily = WS_AF_IPX;
 138         info->iMaxSockAddr = 0x10;
 139         info->iMinSockAddr = 0x0e;
 140         info->iSocketType = WS_SOCK_DGRAM;
 141         info->iProtocolMaxOffset = 0xff;
 142         info->dwMessageSize = 0x240;
 143         strcpyW( info->szProtocol, NameIpxW );
 144         break;
 145
 146     case NSPROTO_SPX:
 147         info->dwServiceFlags1 = XP1_IFS_HANDLES | XP1_PSEUDO_STREAM |
 148                                 XP1_MESSAGE_ORIENTED | XP1_GUARANTEED_ORDER |
 149                                 XP1_GUARANTEED_DELIVERY;
 150         info->ProviderId = ProviderIdSPX;
 151         info->dwCatalogEntryId = 0x407;
 152         info->ProtocolChain.ChainLen = 1;
 153         info->iVersion = 2;
 154         info->iAddressFamily = WS_AF_IPX;
 155         info->iMaxSockAddr = 0x10;
 156         info->iMinSockAddr = 0x0e;
 157         info->iSocketType = 5;
 158         info->dwMessageSize = 0xffffffff;
 159         strcpyW( info->szProtocol, NameSpxW );
 160         break;
 161
 162     case NSPROTO_SPXII:
 163         info->dwServiceFlags1 = XP1_IFS_HANDLES | XP1_GRACEFUL_CLOSE |
 164                                 XP1_PSEUDO_STREAM | XP1_MESSAGE_ORIENTED |
 165                                 XP1_GUARANTEED_ORDER | XP1_GUARANTEED_DELIVERY;
 166         info->ProviderId = ProviderIdSPX;
 167         info->dwCatalogEntryId = 0x409;
 168         info->ProtocolChain.ChainLen = 1;
 169         info->iVersion = 2;
 170         info->iAddressFamily = WS_AF_IPX;
 171         info->iMaxSockAddr = 0x10;
 172         info->iMinSockAddr = 0x0e;
 173         info->iSocketType = 5;
 174         info->dwMessageSize = 0xffffffff;
 175         strcpyW( info->szProtocol, NameSpxIIW );
 176         break;
 177
 178     default:
 179         if ((protocol == ISOPROTO_TP4) || (protocol == NSPROTO_SPX))
 180             FIXME("Protocol <%s> not implemented\n",
 181                   (protocol == ISOPROTO_TP4) ? "ISOPROTO_TP4" : "NSPROTO_SPX");
 182         else
 183             FIXME("unknown Protocol <0x%08x>\n", protocol);
 184         return SOCKET_ERROR;
 185     }
 186     return 1;
 187 }
 188
 189 /*****************************************************************************
 190  *          WINSOCK_EnterSingleProtocolA [internal]
 191  *
 192  *    see function WINSOCK_EnterSingleProtocolW
 193  *
 194  */
 195 static INT WINSOCK_EnterSingleProtocolA( INT protocol, WSAPROTOCOL_INFOA* info )
 196 {
 197     memset( info, 0, sizeof(WSAPROTOCOL_INFOA) );
 198     info->iProtocol = protocol;
 199
 200     switch (protocol)
 201     {
 202     case WS_IPPROTO_TCP:
 203         info->dwServiceFlags1 = XP1_IFS_HANDLES | XP1_EXPEDITED_DATA |
 204                                 XP1_GRACEFUL_CLOSE | XP1_GUARANTEED_ORDER |
 205                                 XP1_GUARANTEED_DELIVERY;
 206         info->ProviderId = ProviderIdIP;
 207         info->dwCatalogEntryId = 0x3e9;
 208         info->ProtocolChain.ChainLen = 1;
 209         info->iVersion = 2;
 210         info->iAddressFamily = WS_AF_INET;
 211         info->iMaxSockAddr = 0x10;
 212         info->iMinSockAddr = 0x10;
 213         info->iSocketType = WS_SOCK_STREAM;
 214         strcpy( info->szProtocol, NameTcp );
 215         break;
 216
 217     case WS_IPPROTO_UDP:
 218         info->dwServiceFlags1 = XP1_IFS_HANDLES | XP1_SUPPORT_BROADCAST |
 219                                 XP1_SUPPORT_MULTIPOINT | XP1_MESSAGE_ORIENTED |
 220                                 XP1_CONNECTIONLESS;
 221         info->ProviderId = ProviderIdIP;
 222         info->dwCatalogEntryId = 0x3ea;
 223         info->ProtocolChain.ChainLen = 1;
 224         info->iVersion = 2;
 225         info->iAddressFamily = WS_AF_INET;
 226         info->iMaxSockAddr = 0x10;
 227         info->iMinSockAddr = 0x10;
 228         info->iSocketType = WS_SOCK_DGRAM;
 229         info->dwMessageSize = 0xffbb;
 230         strcpy( info->szProtocol, NameUdp );
 231         break;
 232
 233     case NSPROTO_IPX:
 234         info->dwServiceFlags1 = XP1_IFS_HANDLES | XP1_SUPPORT_BROADCAST |
 235                                 XP1_SUPPORT_MULTIPOINT | XP1_MESSAGE_ORIENTED |
 236                                 XP1_CONNECTIONLESS;
 237         info->ProviderId = ProviderIdIPX;
 238         info->dwCatalogEntryId = 0x406;
 239         info->ProtocolChain.ChainLen = 1;
 240         info->iVersion = 2;
 241         info->iAddressFamily = WS_AF_IPX;
 242         info->iMaxSockAddr = 0x10;
 243         info->iMinSockAddr = 0x0e;
 244         info->iSocketType = WS_SOCK_DGRAM;
 245         info->iProtocolMaxOffset = 0xff;
 246         info->dwMessageSize = 0x240;
 247         strcpy( info->szProtocol, NameIpx );
 248         break;
 249
 250     case NSPROTO_SPX:
 251         info->dwServiceFlags1 = XP1_IFS_HANDLES | XP1_PSEUDO_STREAM |
 252                                 XP1_MESSAGE_ORIENTED | XP1_GUARANTEED_ORDER |
 253                                 XP1_GUARANTEED_DELIVERY;
 254         info->ProviderId = ProviderIdSPX;
 255         info->dwCatalogEntryId = 0x407;
 256         info->ProtocolChain.ChainLen = 1;
 257         info->iVersion = 2;
 258         info->iAddressFamily = WS_AF_IPX;
 259         info->iMaxSockAddr = 0x10;
 260         info->iMinSockAddr = 0x0e;
 261         info->iSocketType = 5;
 262         info->dwMessageSize = 0xffffffff;
 263         strcpy( info->szProtocol, NameSpx );
 264         break;
 265
 266     case NSPROTO_SPXII:
 267         info->dwServiceFlags1 = XP1_IFS_HANDLES | XP1_GRACEFUL_CLOSE |
 268                                 XP1_PSEUDO_STREAM | XP1_MESSAGE_ORIENTED |
 269                                 XP1_GUARANTEED_ORDER | XP1_GUARANTEED_DELIVERY;
 270         info->ProviderId = ProviderIdSPX;
 271         info->dwCatalogEntryId = 0x409;
 272         info->ProtocolChain.ChainLen = 1;
 273         info->iVersion = 2;
 274         info->iAddressFamily = WS_AF_IPX;
 275         info->iMaxSockAddr = 0x10;
 276         info->iMinSockAddr = 0x0e;
 277         info->iSocketType = 5;
 278         info->dwMessageSize = 0xffffffff;
 279         strcpy( info->szProtocol, NameSpxII );
 280         break;
 281
 282     default:
 283         if ((protocol == ISOPROTO_TP4) || (protocol == NSPROTO_SPX))
 284             FIXME("Protocol <%s> not implemented\n",
 285                   (protocol == ISOPROTO_TP4) ? "ISOPROTO_TP4" : "NSPROTO_SPX");
 286         else
 287             FIXME("unknown Protocol <0x%08x>\n", protocol);
 288         return SOCKET_ERROR;
 289     }
 290     return 1;
 291 }
 292
 293 /*****************************************************************************
 294  *          WSAEnumProtocolsA       [WS2_32.@]
 295  *
 296  *    see function WSAEnumProtocolsW
 297  */
 298 INT WINAPI WSAEnumProtocolsA( LPINT protocols, LPWSAPROTOCOL_INFOA buffer, LPDWORD len )
 299 {
 300     INT i = 0;
 301     DWORD size = 0;
 302     INT local[] = { WS_IPPROTO_TCP, WS_IPPROTO_UDP, NSPROTO_IPX, NSPROTO_SPX, NSPROTO_SPXII, 0 };
 303
 304     if (!protocols) protocols = local;
 305
 306     while (protocols[i]) i++;
 307
 308     size = i * sizeof(WSAPROTOCOL_INFOA);
 309
 310     if (*len < size || !buffer)
 311     {
 312         *len = size;
 313         WSASetLastError(WSAENOBUFS);
 314         return SOCKET_ERROR;
 315     }
 316
 317     for (i = 0; protocols[i]; i++)
 318     {
 319         if (WINSOCK_EnterSingleProtocolA( protocols[i], &buffer[i] ) == SOCKET_ERROR)
 320             return i;
 321     }
 322     return i;
 323 }
 324
 325 /*****************************************************************************
 326  *          WSAEnumProtocolsW       [WS2_32.@]
 327  *
 328  * Retrieves information about specified set of active network protocols.
 329  *
 330  * PARAMS
 331  *  protocols [I]   Pointer to null-terminated array of protocol id's. NULL
 332  *                  retrieves information on all available protocols.
 333  *  buffer    [I]   Pointer to a buffer to be filled with WSAPROTOCOL_INFO
 334  *                  structures.
 335  *  len       [I/O] Pointer to a variable specifying buffer size. On output
 336  *                  the variable holds the number of bytes needed when the
 337  *                  specified size is too small.
 338  *
 339  * RETURNS
 340  *  Success: number of WSAPROTOCOL_INFO structures in buffer.
 341  *  Failure: SOCKET_ERROR
 342  *
 343  * NOTES
 344  *  NT4SP5 does not return SPX if protocols == NULL
 345  *
 346  * BUGS
 347  *  - NT4SP5 returns in addition these list of NETBIOS protocols
 348  *    (address family 17), each entry two times one for socket type 2 and 5
 349  *
 350  *    iProtocol   szProtocol
 351  *    0x80000000  \Device\NwlnkNb
 352  *    0xfffffffa  \Device\NetBT_CBENT7
 353  *    0xfffffffb  \Device\Nbf_CBENT7
 354  *    0xfffffffc  \Device\NetBT_NdisWan5
 355  *    0xfffffffd  \Device\NetBT_El9202
 356  *    0xfffffffe  \Device\Nbf_El9202
 357  *    0xffffffff  \Device\Nbf_NdisWan4
 358  *
 359  *  - there is no check that the operating system supports the returned
 360  *    protocols
 361  */
 362 INT WINAPI WSAEnumProtocolsW( LPINT protocols, LPWSAPROTOCOL_INFOW buffer, LPDWORD len )
 363 {
 364     INT i = 0;
 365     DWORD size = 0;
 366     INT local[] = { WS_IPPROTO_TCP, WS_IPPROTO_UDP, NSPROTO_IPX, NSPROTO_SPX, NSPROTO_SPXII, 0 };
 367
 368     if (!protocols) protocols = local;
 369
 370     while (protocols[i]) i++;
 371
 372     size = i * sizeof(WSAPROTOCOL_INFOW);
 373
 374     if (*len < size || !buffer)
 375     {
 376         *len = size;
 377         WSASetLastError(WSAENOBUFS);
 378         return SOCKET_ERROR;
 379     }
 380
 381     for (i = 0; protocols[i]; i++)
 382     {
 383         if (WINSOCK_EnterSingleProtocolW( protocols[i], &buffer[i] ) == SOCKET_ERROR)
 384             return i;
 385     }
 386     return i;
 387 }
 388
 389 /*****************************************************************************
 390  *          WSCEnumProtocols        [WS2_32.@]
 391  *
 392  * PARAMS
 393  *  protocols [I]   Null-terminated array of iProtocol values.
 394  *  buffer    [O]   Buffer of WSAPROTOCOL_INFOW structures.
 395  *  len       [I/O] Size of buffer on input/output.
 396  *  errno     [O]   Error code.
 397  *
 398  * RETURNS
 399  *  Success: number of protocols to be reported on.
 400  *  Failure: SOCKET_ERROR. error is in errno.
 401  *
 402  * BUGS
 403  *  Doesn't supply info on layered protocols.
 404  *
 405  */
 406 INT WINAPI WSCEnumProtocols( LPINT protocols, LPWSAPROTOCOL_INFOW buffer, LPDWORD len, LPINT errno )
 407 {
 408     INT ret = WSAEnumProtocolsW( protocols, buffer, len );
 409
 410     if (ret == SOCKET_ERROR) *errno = WSAENOBUFS;
 411
 412     return ret;
 413 }