91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
/*
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Copyright 1989, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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* *
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* Author: Keith Packard, MIT X Consortium
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*/
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#ifdef WIN32
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#define _WILLWINSOCK_
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#endif
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <X11/Xos.h>
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#include <X11/X.h>
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#include <X11/Xmd.h>
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#include <X11/Xdmcp.h>
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#include <stdlib.h>
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#ifdef STREAMSCONN
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#include <tiuser.h>
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#else
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#ifdef WIN32
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#include <X11/Xwinsock.h>
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#else
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#include <sys/socket.h>
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#endif
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#endif
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int
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XdmcpFill (int fd, XdmcpBufferPtr buffer, XdmcpNetaddr from, int *fromlen)
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{
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BYTE *newBuf;
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#ifdef STREAMSCONN
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struct t_unitdata dataunit;
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int gotallflag, result;
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#endif
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if (buffer->size < XDM_MAX_MSGLEN)
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{
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newBuf = (BYTE *) malloc(XDM_MAX_MSGLEN);
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if (newBuf)
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{
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free(buffer->data);
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buffer->data = newBuf;
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buffer->size = XDM_MAX_MSGLEN;
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}
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}
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buffer->pointer = 0;
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#ifdef STREAMSCONN
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dataunit.addr.buf = from;
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dataunit.addr.maxlen = *fromlen;
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dataunit.opt.maxlen = 0; /* don't care to know about options */
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dataunit.udata.buf = (char *)buffer->data;
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dataunit.udata.maxlen = buffer->size;
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result = t_rcvudata (fd, &dataunit, &gotallflag);
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if (result < 0) {
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return FALSE;
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}
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buffer->count = dataunit.udata.len;
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*fromlen = dataunit.addr.len;
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#else
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buffer->count = recvfrom (fd, (char*)buffer->data, buffer->size, 0,
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(struct sockaddr *)from, (void *)fromlen);
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#endif
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if (buffer->count < 6) {
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buffer->count = 0;
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return FALSE;
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}
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return TRUE;
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}
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