X-Git-Url: https://git.sesse.net/?p=rdpsrv;a=blobdiff_plain;f=Xserver%2Flib%2FXdmcp%2FFill.c;fp=Xserver%2Flib%2FXdmcp%2FFill.c;h=71a044e2cc861b0b995295f4d1cb0302d04e7dbd;hp=0000000000000000000000000000000000000000;hb=b6e6afccf37f4ad0515ef2a698f714fdf1bf23b3;hpb=e3340a110a3b01756b8e67531395a33b40a17d37 diff --git a/Xserver/lib/Xdmcp/Fill.c b/Xserver/lib/Xdmcp/Fill.c new file mode 100644 index 0000000..71a044e --- /dev/null +++ b/Xserver/lib/Xdmcp/Fill.c @@ -0,0 +1,148 @@ +/* + * $XConsortium: Fill.c /main/11 1996/11/13 14:44:18 lehors $ + * $XFree86: xc/lib/Xdmcp/Fill.c,v 3.4 1997/01/18 06:52:06 dawes Exp $ + * + * +Copyright (c) 1989 X Consortium + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of the X Consortium shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from the X Consortium. + * * + * Author: Keith Packard, MIT X Consortium + */ + +#ifdef WIN32 +#define _WILLWINSOCK_ +#endif +#include +#include +#include +#include + +#ifdef STREAMSCONN +#include +#else +#ifdef WIN32 +#include +#else +#ifndef MINIX +#ifndef Lynx +#include +#else +#include +#endif /* !Lynx */ +#endif /* !MINIX */ +#endif +#endif + +#ifndef MINIX +int +XdmcpFill (fd, buffer, from, fromlen) + int fd; + XdmcpBufferPtr buffer; + XdmcpNetaddr from; /* return */ + int *fromlen; /* return */ +{ + BYTE *newBuf; +#ifdef STREAMSCONN + struct t_unitdata dataunit; + int gotallflag, result; +#endif + + if (buffer->size < XDM_MAX_MSGLEN) + { + newBuf = (BYTE *) Xalloc (XDM_MAX_MSGLEN); + if (newBuf) + { + Xfree (buffer->data); + buffer->data = newBuf; + buffer->size = XDM_MAX_MSGLEN; + } + } + buffer->pointer = 0; +#ifdef STREAMSCONN + dataunit.addr.buf = from; + dataunit.addr.maxlen = *fromlen; + dataunit.opt.maxlen = 0; /* don't care to know about options */ + dataunit.udata.buf = (char *)buffer->data; + dataunit.udata.maxlen = buffer->size; + result = t_rcvudata (fd, &dataunit, &gotallflag); + if (result < 0) { + return FALSE; + } + buffer->count = dataunit.udata.len; + *fromlen = dataunit.addr.len; +#else + buffer->count = recvfrom (fd, (char*)buffer->data, buffer->size, 0, + (struct sockaddr *)from, fromlen); +#endif + if (buffer->count < 6) { + buffer->count = 0; + return FALSE; + } + return TRUE; +} +#else /* MINIX */ +int +MNX_XdmcpFill (fd, buffer, from, fromlen, data, datalen) + int fd; + XdmcpBufferPtr buffer; + XdmcpNetaddr from; /* return */ + int *fromlen; /* return */ + char *data; + int datalen; +{ + BYTE *newBuf; + struct sockaddr_in *from_addr; + udp_io_hdr_t *udp_io_hdr; + + if (buffer->size < XDM_MAX_MSGLEN) + { + newBuf = (BYTE *) Xalloc (XDM_MAX_MSGLEN); + if (newBuf) + { + Xfree (buffer->data); + buffer->data = newBuf; + buffer->size = XDM_MAX_MSGLEN; + } + } + buffer->pointer = 0; + udp_io_hdr= (udp_io_hdr_t *)data; + data += sizeof(udp_io_hdr_t) + udp_io_hdr->uih_ip_opt_len; + datalen -= sizeof(udp_io_hdr_t) + udp_io_hdr->uih_ip_opt_len; + buffer->count= udp_io_hdr->uih_data_len; + if (buffer->count > datalen) + { + buffer->count= 0; + return FALSE; + } + bcopy(data, (char *)buffer->data, buffer->count); + from_addr= (struct sockaddr_in *)from; + from_addr->sin_family= AF_INET; + from_addr->sin_addr.s_addr= udp_io_hdr->uih_src_addr; + from_addr->sin_port= udp_io_hdr->uih_src_port; + if (buffer->count < 6) { + buffer->count = 0; + return FALSE; + } + return TRUE; +} +#endif /* !MINIX */