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authorKaleb Keithley <kaleb@freedesktop.org>2003-11-14 15:54:53 +0000
committerKaleb Keithley <kaleb@freedesktop.org>2003-11-14 15:54:53 +0000
commitdf3e1beed5bbb631975127133464b7e24fc38497 (patch)
tree6291fb1c51fb790c2f236249b5f44eb9bedfdc7b /streams.c
R6.6 is the Xorg base-lineXORG-MAIN
Diffstat (limited to 'streams.c')
-rw-r--r--streams.c147
1 files changed, 147 insertions, 0 deletions
diff --git a/streams.c b/streams.c
new file mode 100644
index 0000000..585fe90
--- /dev/null
+++ b/streams.c
@@ -0,0 +1,147 @@
+/* $Xorg: streams.c,v 1.4 2001/02/09 02:05:40 xorgcvs Exp $ */
+/*
+
+Copyright 1988, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+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 OPEN GROUP 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 Open Group 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 Open Group.
+
+*/
+
+/*
+ * xdm - display manager daemon
+ * Author: Keith Packard, MIT X Consortium
+ *
+ * streams.c - Support for STREAMS
+ */
+
+#include "dm.h"
+
+#ifdef XDMCP
+#ifdef STREAMSCONN
+
+#include <fcntl.h>
+#include <tiuser.h>
+#include <netconfig.h>
+#include <netdir.h>
+
+extern int xdmcpFd;
+extern int chooserFd;
+
+extern FD_TYPE WellKnownSocketsMask;
+extern int WellKnownSocketsMax;
+
+CreateWellKnownSockets ()
+{
+ struct t_bind bind_addr;
+ struct netconfig *nconf;
+ struct nd_hostserv service;
+ struct nd_addrlist *servaddrs;
+ char *name, *localHostname();
+ char bindbuf[15];
+ int it;
+
+ if (request_port == 0)
+ return;
+ Debug ("creating UDP stream %d\n", request_port);
+
+ nconf = getnetconfigent("udp");
+ if (!nconf) {
+ t_error("getnetconfigent udp");
+ return;
+ }
+
+ xdmcpFd = t_open(nconf->nc_device, O_RDWR, NULL);
+ if (xdmcpFd == -1) {
+ LogError ("XDMCP stream creation failed\n");
+ t_error ("CreateWellKnownSockets(xdmcpFd): t_open failed");
+ return;
+ }
+ name = localHostname ();
+ registerHostname (name, strlen (name));
+ RegisterCloseOnFork (xdmcpFd);
+
+ service.h_host = HOST_SELF;
+ sprintf(bindbuf, "%d", request_port);
+ service.h_serv = bindbuf;
+ netdir_getbyname(nconf, &service, &servaddrs);
+ freenetconfigent(nconf);
+
+ bind_addr.qlen = 5;
+ bind_addr.addr.buf = servaddrs->n_addrs[0].buf;
+ bind_addr.addr.len = servaddrs->n_addrs[0].len;
+ bind_addr.addr.maxlen = servaddrs->n_addrs[0].len;
+ it = t_bind(xdmcpFd, &bind_addr, &bind_addr);
+ netdir_free((char *)servaddrs, ND_ADDRLIST);
+ if (it < 0)
+ {
+ LogError ("error binding STREAMS address %d\n", request_port);
+ t_error("CreateWellKNowSocket(xdmcpFd): t_bind failed");
+ t_close (xdmcpFd);
+ xdmcpFd = -1;
+ return;
+ }
+ WellKnownSocketsMax = xdmcpFd;
+ FD_SET (xdmcpFd, &WellKnownSocketsMask);
+
+ chooserFd = t_open ("/dev/tcp", O_RDWR, NULL);
+ Debug ("Created chooser fd %d\n", chooserFd);
+ if (chooserFd == -1)
+ {
+ LogError ("chooser stream creation failed\n");
+ t_error("CreateWellKnowSockets(chooserFd): t_open failed");
+ return;
+ }
+ bind_addr.qlen = 5;
+ bind_addr.addr.len = 0;
+ bind_addr.addr.maxlen = 0;
+ if( t_bind( chooserFd, &bind_addr, NULL ) < 0 )
+ {
+ t_error("CreateWellKnowSockets(chooserFd): t_bind failed");
+ }
+
+ if (chooserFd > WellKnownSocketsMax)
+ WellKnownSocketsMax = chooserFd;
+ FD_SET (chooserFd, &WellKnownSocketsMask);
+}
+
+GetChooserAddr (addr, lenp)
+ char *addr; /* return */
+ int *lenp; /* size of addr, returned as amt used */
+{
+ struct netbuf nbuf;
+ int retval;
+
+ nbuf.buf = addr;
+ nbuf.len = *lenp;
+ nbuf.maxlen = *lenp;
+ retval = t_getname (chooserFd, &nbuf, LOCALNAME);
+ if (retval < 0) {
+ if (debugLevel > 0)
+ t_error("t_getname on chooser fd");
+ }
+ *lenp = nbuf.len;
+ return retval;
+}
+
+#endif /* STREAMSCONN */
+#endif /* XDMCP */