1 files changed, 123 insertions, 0 deletions
diff --git a/socket.c b/socket.c
new file mode 100644
index 0000000..47b0c79
--- /dev/null
+++ b/socket.c
@@ -0,0 +1,123 @@
+/* $Xorg: socket.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
+ *
+ * socket.c - Support for BSD sockets
+ */
+
+#include "dm.h"
+
+#ifdef XDMCP
+#ifndef STREAMSCONN
+
+#include <errno.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <sys/un.h>
+#include <netdb.h>
+
+#ifdef X_NOT_STDC_ENV
+extern int errno;
+#endif
+
+
+extern int	xdmcpFd;
+extern int	chooserFd;
+
+extern FD_TYPE	WellKnownSocketsMask;
+extern int	WellKnownSocketsMax;
+
+CreateWellKnownSockets ()
+{
+    struct sockaddr_in	sock_addr;
+    char		*name, *localHostname();
+
+    if (request_port == 0)
+	    return;
+    Debug ("creating socket %d\n", request_port);
+    xdmcpFd = socket (AF_INET, SOCK_DGRAM, 0);
+    if (xdmcpFd == -1) {
+	LogError ("XDMCP socket creation failed, errno %d\n", errno);
+	return;
+    }
+    name = localHostname ();
+    registerHostname (name, strlen (name));
+    RegisterCloseOnFork (xdmcpFd);
+    /* zero out the entire structure; this avoids 4.4 incompatibilities */
+    bzero ((char *) &sock_addr, sizeof (sock_addr));
+#ifdef BSD44SOCKETS
+    sock_addr.sin_len = sizeof(sock_addr);
+#endif
+    sock_addr.sin_family = AF_INET;
+    sock_addr.sin_port = htons ((short) request_port);
+    sock_addr.sin_addr.s_addr = htonl (INADDR_ANY);
+    if (bind (xdmcpFd, (struct sockaddr *)&sock_addr, sizeof (sock_addr)) == -1)
+    {
+	LogError ("error %d binding socket address %d\n", errno, request_port);
+	close (xdmcpFd);
+	xdmcpFd = -1;
+	return;
+    }
+    WellKnownSocketsMax = xdmcpFd;
+    FD_SET (xdmcpFd, &WellKnownSocketsMask);
+
+    chooserFd = socket (AF_INET, SOCK_STREAM, 0);
+    Debug ("Created chooser socket %d\n", chooserFd);
+    if (chooserFd == -1)
+    {
+	LogError ("chooser socket creation failed, errno %d\n", errno);
+	return;
+    }
+    listen (chooserFd, 5);
+    if (chooserFd > WellKnownSocketsMax)
+	WellKnownSocketsMax = chooserFd;
+    FD_SET (chooserFd, &WellKnownSocketsMask);
+}
+
+GetChooserAddr (addr, lenp)
+    char	*addr;
+    int		*lenp;
+{
+    struct sockaddr_in	in_addr;
+    int			len;
+
+    len = sizeof in_addr;
+    if (getsockname (chooserFd, (struct sockaddr *)&in_addr, &len) < 0)
+	return -1;
+    Debug ("Chooser socket port: %d\n", ntohs(in_addr.sin_port));
+    memmove( addr, (char *) &in_addr, len);
+    *lenp = len;
+    return 0;
+}
+
+#endif /* !STREAMSCONN */
+#endif /* XDMCP */