Sweden-Number/dlls/winsock/socket16.c

605 lines
17 KiB
C

/*
* 16-bit socket functions
*
* Copyright (C) 1993,1994,1996,1997 John Brezak, Erik Bos, Alex Korobka
* Copyright (C) 2003 Alexandre Julliard
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/port.h"
#include "winsock2.h"
#include "wine/winbase16.h"
#include "wine/winsock16.h"
#include "wownt32.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(winsock);
static INT num_startup; /* reference counter */
static void *he_buffer;
static SEGPTR he_buffer_seg;
static void *se_buffer;
static SEGPTR se_buffer_seg;
static void *pe_buffer;
static SEGPTR pe_buffer_seg;
static SEGPTR dbuffer_seg;
extern int WINAPI WS_gethostname(char *name, int namelen);
static WS_fd_set *ws_fdset_16_to_32( const ws_fd_set16 *set16, WS_fd_set *set32 )
{
UINT i;
set32->fd_count = set16->fd_count;
for (i = 0; i < set32->fd_count; i++) set32->fd_array[i] = set16->fd_array[i];
return set32;
}
static ws_fd_set16 *ws_fdset_32_to_16( const WS_fd_set *set32, ws_fd_set16 *set16 )
{
UINT i;
set16->fd_count = set32->fd_count;
for (i = 0; i < set16->fd_count; i++) set16->fd_array[i] = set32->fd_array[i];
return set16;
}
static int list_size(char** l, int item_size)
{
int i,j = 0;
if(l)
{
for(i=0;l[i];i++)
j += (item_size) ? item_size : strlen(l[i]) + 1;
j += (i + 1) * sizeof(char*);
}
return j;
}
static int list_dup(char** l_src, SEGPTR base, int item_size)
{
int i, offset;
char *ref = MapSL(base);
SEGPTR *l_to = (SEGPTR *)ref;
for (i = 0; l_src[i]; i++) ;
offset = (i + 1) * sizeof(char*);
for (i = 0; l_src[i]; i++)
{
int count = item_size ? item_size : strlen(l_src[i]) + 1;
memcpy( ref + offset, l_src[i], count );
l_to[i] = base + offset;
offset += count;
}
l_to[i] = 0;
return offset;
}
static SEGPTR get_buffer_he(int size)
{
static int he_len;
if (he_buffer)
{
if (he_len >= size ) return he_buffer_seg;
UnMapLS( he_buffer_seg );
HeapFree( GetProcessHeap(), 0, he_buffer );
}
he_buffer = HeapAlloc( GetProcessHeap(), 0, (he_len = size) );
he_buffer_seg = MapLS( he_buffer );
return he_buffer_seg;
}
static SEGPTR get_buffer_se(int size)
{
static int se_len;
if (se_buffer)
{
if (se_len >= size ) return se_buffer_seg;
UnMapLS( se_buffer_seg );
HeapFree( GetProcessHeap(), 0, se_buffer );
}
se_buffer = HeapAlloc( GetProcessHeap(), 0, (se_len = size) );
se_buffer_seg = MapLS( se_buffer );
return se_buffer_seg;
}
static SEGPTR get_buffer_pe(int size)
{
static int pe_len;
if (pe_buffer)
{
if (pe_len >= size ) return pe_buffer_seg;
UnMapLS( pe_buffer_seg );
HeapFree( GetProcessHeap(), 0, pe_buffer );
}
pe_buffer = HeapAlloc( GetProcessHeap(), 0, (pe_len = size) );
pe_buffer_seg = MapLS( pe_buffer );
return pe_buffer_seg;
}
/* duplicate hostent entry
* and handle all Win16/Win32 dependent things (struct size, ...) *correctly*.
* Dito for protoent and servent.
*/
static SEGPTR ws_hostent_32_to_16( const struct WS_hostent* he )
{
char *p;
SEGPTR base;
struct ws_hostent16 *p_to;
int size = (sizeof(*he) +
strlen(he->h_name) + 1 +
list_size(he->h_aliases, 0) +
list_size(he->h_addr_list, he->h_length));
base = get_buffer_he(size);
p_to = MapSL(base);
p_to->h_addrtype = he->h_addrtype;
p_to->h_length = he->h_length;
p = (char *)(p_to + 1);
p_to->h_name = base + (p - (char *)p_to);
strcpy(p, he->h_name);
p += strlen(p) + 1;
p_to->h_aliases = base + (p - (char *)p_to);
p += list_dup(he->h_aliases, p_to->h_aliases, 0);
p_to->h_addr_list = base + (p - (char *)p_to);
list_dup(he->h_addr_list, p_to->h_addr_list, he->h_length);
return base;
}
static SEGPTR ws_protoent_32_to_16( const struct WS_protoent *pe )
{
char *p;
SEGPTR base;
struct ws_protoent16 *p_to;
int size = (sizeof(*pe) +
strlen(pe->p_name) + 1 +
list_size(pe->p_aliases, 0));
base = get_buffer_pe(size);
p_to = MapSL(base);
p_to->p_proto = pe->p_proto;
p = (char *)(p_to + 1);
p_to->p_name = base + (p - (char *)p_to);
strcpy(p, pe->p_name);
p += strlen(p) + 1;
p_to->p_aliases = base + (p - (char *)p_to);
list_dup(pe->p_aliases, p_to->p_aliases, 0);
return base;
}
static SEGPTR ws_servent_32_to_16( const struct WS_servent *se )
{
char *p;
SEGPTR base;
struct ws_servent16 *p_to;
int size = (sizeof(*se) +
strlen(se->s_proto) + 1 +
strlen(se->s_name) + 1 +
list_size(se->s_aliases, 0));
base = get_buffer_se(size);
p_to = MapSL(base);
p_to->s_port = se->s_port;
p = (char *)(p_to + 1);
p_to->s_name = base + (p - (char *)p_to);
strcpy(p, se->s_name);
p += strlen(p) + 1;
p_to->s_proto = base + (p - (char *)p_to);
strcpy(p, se->s_proto);
p += strlen(p) + 1;
p_to->s_aliases = base + (p - (char *)p_to);
list_dup(se->s_aliases, p_to->s_aliases, 0);
return base;
}
/***********************************************************************
* accept (WINSOCK.1)
*/
SOCKET16 WINAPI accept16(SOCKET16 s, struct WS_sockaddr* addr, INT16* addrlen16 )
{
INT addrlen32 = addrlen16 ? *addrlen16 : 0;
SOCKET retSocket = WS_accept( s, addr, &addrlen32 );
if( addrlen16 ) *addrlen16 = addrlen32;
return retSocket;
}
/***********************************************************************
* bind (WINSOCK.2)
*/
INT16 WINAPI bind16(SOCKET16 s, struct WS_sockaddr *name, INT16 namelen)
{
return WS_bind( s, name, namelen );
}
/***********************************************************************
* closesocket (WINSOCK.3)
*/
INT16 WINAPI closesocket16(SOCKET16 s)
{
return WS_closesocket(s);
}
/***********************************************************************
* connect (WINSOCK.4)
*/
INT16 WINAPI connect16(SOCKET16 s, struct WS_sockaddr *name, INT16 namelen)
{
return WS_connect( s, name, namelen );
}
/***********************************************************************
* getpeername (WINSOCK.5)
*/
INT16 WINAPI getpeername16(SOCKET16 s, struct WS_sockaddr *name, INT16 *namelen16)
{
INT namelen32 = *namelen16;
INT retVal = WS_getpeername( s, name, &namelen32 );
*namelen16 = namelen32;
return retVal;
}
/***********************************************************************
* getsockname (WINSOCK.6)
*/
INT16 WINAPI getsockname16(SOCKET16 s, struct WS_sockaddr *name, INT16 *namelen16)
{
INT retVal;
if( namelen16 )
{
INT namelen32 = *namelen16;
retVal = WS_getsockname( s, name, &namelen32 );
*namelen16 = namelen32;
}
else retVal = SOCKET_ERROR;
return retVal;
}
/***********************************************************************
* getsockopt (WINSOCK.7)
*/
INT16 WINAPI getsockopt16(SOCKET16 s, INT16 level, INT16 optname, char *optval, INT16 *optlen)
{
INT optlen32;
INT *p = &optlen32;
INT retVal;
if( optlen ) optlen32 = *optlen; else p = NULL;
retVal = WS_getsockopt( s, level, optname, optval, p );
if( optlen ) *optlen = optlen32;
return retVal;
}
/***********************************************************************
* inet_ntoa (WINSOCK.11)
*/
SEGPTR WINAPI inet_ntoa16(struct WS_in_addr in)
{
char* retVal;
if (!(retVal = WS_inet_ntoa( in ))) return 0;
if (!dbuffer_seg) dbuffer_seg = MapLS( retVal );
return dbuffer_seg;
}
/***********************************************************************
* ioctlsocket (WINSOCK.12)
*/
INT16 WINAPI ioctlsocket16(SOCKET16 s, LONG cmd, ULONG *argp)
{
return WS_ioctlsocket( s, cmd, argp );
}
/***********************************************************************
* listen (WINSOCK.13)
*/
INT16 WINAPI listen16(SOCKET16 s, INT16 backlog)
{
return WS_listen( s, backlog );
}
/***********************************************************************
* recv (WINSOCK.16)
*/
INT16 WINAPI recv16(SOCKET16 s, char *buf, INT16 len, INT16 flags)
{
return WS_recv( s, buf, len, flags );
}
/***********************************************************************
* recvfrom (WINSOCK.17)
*/
INT16 WINAPI recvfrom16(SOCKET16 s, char *buf, INT16 len, INT16 flags,
struct WS_sockaddr *from, INT16 *fromlen16)
{
if (fromlen16)
{
INT fromlen32 = *fromlen16;
INT retVal = WS_recvfrom( s, buf, len, flags, from, &fromlen32 );
*fromlen16 = fromlen32;
return retVal;
}
else return WS_recvfrom( s, buf, len, flags, from, NULL );
}
/***********************************************************************
* select (WINSOCK.18)
*/
INT16 WINAPI select16(INT16 nfds, ws_fd_set16 *ws_readfds,
ws_fd_set16 *ws_writefds, ws_fd_set16 *ws_exceptfds,
struct WS_timeval* timeout)
{
WS_fd_set read_set, write_set, except_set;
WS_fd_set *pread_set = NULL, *pwrite_set = NULL, *pexcept_set = NULL;
int ret;
if (ws_readfds) pread_set = ws_fdset_16_to_32( ws_readfds, &read_set );
if (ws_writefds) pwrite_set = ws_fdset_16_to_32( ws_writefds, &write_set );
if (ws_exceptfds) pexcept_set = ws_fdset_16_to_32( ws_exceptfds, &except_set );
/* struct timeval is the same for both 32- and 16-bit code */
ret = WS_select( nfds, pread_set, pwrite_set, pexcept_set, timeout );
if (ws_readfds) ws_fdset_32_to_16( &read_set, ws_readfds );
if (ws_writefds) ws_fdset_32_to_16( &write_set, ws_writefds );
if (ws_exceptfds) ws_fdset_32_to_16( &except_set, ws_exceptfds );
return ret;
}
/***********************************************************************
* send (WINSOCK.19)
*/
INT16 WINAPI send16(SOCKET16 s, char *buf, INT16 len, INT16 flags)
{
return WS_send( s, buf, len, flags );
}
/***********************************************************************
* sendto (WINSOCK.20)
*/
INT16 WINAPI sendto16(SOCKET16 s, char *buf, INT16 len, INT16 flags,
struct WS_sockaddr *to, INT16 tolen)
{
return WS_sendto( s, buf, len, flags, to, tolen );
}
/***********************************************************************
* setsockopt (WINSOCK.21)
*/
INT16 WINAPI setsockopt16(SOCKET16 s, INT16 level, INT16 optname,
char *optval, INT16 optlen)
{
if( !optval ) return SOCKET_ERROR;
return WS_setsockopt( s, level, optname, optval, optlen );
}
/***********************************************************************
* shutdown (WINSOCK.22)
*/
INT16 WINAPI shutdown16(SOCKET16 s, INT16 how)
{
return WS_shutdown( s, how );
}
/***********************************************************************
* socket (WINSOCK.23)
*/
SOCKET16 WINAPI socket16(INT16 af, INT16 type, INT16 protocol)
{
return WS_socket( af, type, protocol );
}
/***********************************************************************
* gethostbyaddr (WINSOCK.51)
*/
SEGPTR WINAPI gethostbyaddr16(const char *addr, INT16 len, INT16 type)
{
struct WS_hostent *he;
if (!(he = WS_gethostbyaddr( addr, len, type ))) return 0;
return ws_hostent_32_to_16( he );
}
/***********************************************************************
* gethostbyname (WINSOCK.52)
*/
SEGPTR WINAPI gethostbyname16(const char *name)
{
struct WS_hostent *he;
if (!(he = WS_gethostbyname( name ))) return 0;
return ws_hostent_32_to_16( he );
}
/***********************************************************************
* getprotobyname (WINSOCK.53)
*/
SEGPTR WINAPI getprotobyname16(const char *name)
{
struct WS_protoent *pe;
if (!(pe = WS_getprotobyname( name ))) return 0;
return ws_protoent_32_to_16( pe );
}
/***********************************************************************
* getprotobynumber (WINSOCK.54)
*/
SEGPTR WINAPI getprotobynumber16(INT16 number)
{
struct WS_protoent *pe;
if (!(pe = WS_getprotobynumber( number ))) return 0;
return ws_protoent_32_to_16( pe );
}
/***********************************************************************
* getservbyname (WINSOCK.55)
*/
SEGPTR WINAPI getservbyname16(const char *name, const char *proto)
{
struct WS_servent *se;
if (!(se = WS_getservbyname( name, proto ))) return 0;
return ws_servent_32_to_16( se );
}
/***********************************************************************
* getservbyport (WINSOCK.56)
*/
SEGPTR WINAPI getservbyport16(INT16 port, const char *proto)
{
struct WS_servent *se;
if (!(se = WS_getservbyport( port, proto ))) return 0;
return ws_servent_32_to_16( se );
}
/***********************************************************************
* gethostname (WINSOCK.57)
*/
INT16 WINAPI gethostname16(char *name, INT16 namelen)
{
return WS_gethostname(name, namelen);
}
/***********************************************************************
* WSAAsyncSelect (WINSOCK.101)
*/
INT16 WINAPI WSAAsyncSelect16(SOCKET16 s, HWND16 hWnd, UINT16 wMsg, LONG lEvent)
{
return WSAAsyncSelect( s, HWND_32(hWnd), wMsg, lEvent );
}
/***********************************************************************
* WSASetBlockingHook (WINSOCK.109)
*/
FARPROC16 WINAPI WSASetBlockingHook16(FARPROC16 lpBlockFunc)
{
/* FIXME: should deal with 16-bit proc */
return (FARPROC16)WSASetBlockingHook( (FARPROC)lpBlockFunc );
}
/***********************************************************************
* WSAUnhookBlockingHook (WINSOCK.110)
*/
INT16 WINAPI WSAUnhookBlockingHook16(void)
{
return WSAUnhookBlockingHook();
}
/***********************************************************************
* WSASetLastError (WINSOCK.112)
*/
void WINAPI WSASetLastError16(INT16 iError)
{
WSASetLastError(iError);
}
/***********************************************************************
* WSAStartup (WINSOCK.115)
*
* Create socket control struct, attach it to the global list and
* update a pointer in the task struct.
*/
INT16 WINAPI WSAStartup16(UINT16 wVersionRequested, LPWSADATA16 lpWSAData)
{
WSADATA data;
INT ret = WSAStartup( wVersionRequested, &data );
if (!ret)
{
lpWSAData->wVersion = 0x0101;
lpWSAData->wHighVersion = 0x0101;
strcpy( lpWSAData->szDescription, data.szDescription );
strcpy( lpWSAData->szSystemStatus, data.szSystemStatus );
lpWSAData->iMaxSockets = data.iMaxSockets;
lpWSAData->iMaxUdpDg = data.iMaxUdpDg;
lpWSAData->lpVendorInfo = 0;
num_startup++;
}
return ret;
}
/***********************************************************************
* WSACleanup (WINSOCK.116)
*/
INT WINAPI WSACleanup16(void)
{
if (num_startup)
{
if (!--num_startup)
{
/* delete scratch buffers */
UnMapLS( he_buffer_seg );
UnMapLS( se_buffer_seg );
UnMapLS( pe_buffer_seg );
UnMapLS( dbuffer_seg );
he_buffer_seg = 0;
se_buffer_seg = 0;
pe_buffer_seg = 0;
dbuffer_seg = 0;
HeapFree( GetProcessHeap(), 0, he_buffer );
HeapFree( GetProcessHeap(), 0, se_buffer );
HeapFree( GetProcessHeap(), 0, pe_buffer );
he_buffer = NULL;
se_buffer = NULL;
pe_buffer = NULL;
}
}
return WSACleanup();
}
/***********************************************************************
* __WSAFDIsSet (WINSOCK.151)
*/
INT16 WINAPI __WSAFDIsSet16(SOCKET16 s, ws_fd_set16 *set)
{
int i = set->fd_count;
TRACE("(%d,%p(%i))\n", s, set, i);
while (i--)
if (set->fd_array[i] == s) return 1;
return 0;
}
/***********************************************************************
* WSARecvEx (WINSOCK.1107)
*
* See description for WSARecvEx()
*/
INT16 WINAPI WSARecvEx16(SOCKET16 s, char *buf, INT16 len, INT16 *flags)
{
FIXME("(WSARecvEx16) partial packet return value not set \n");
return recv16(s, buf, len, *flags);
}