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-rw-r--r--usr.sbin/ypserv/yp_svc_udp.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/usr.sbin/ypserv/yp_svc_udp.c b/usr.sbin/ypserv/yp_svc_udp.c
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index 000000000000..9cb904db01b1
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+++ b/usr.sbin/ypserv/yp_svc_udp.c
@@ -0,0 +1,71 @@
+/*-
+ * SPDX-License-Identifier: BSD-4-Clause
+ *
+ * Copyright (c) 1996
+ * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Bill Paul.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+#include <rpc/rpc.h>
+#include <rpc/svc_dg.h>
+#include "yp_extern.h"
+
+#define su_data(xprt) ((struct svc_dg_data *)((xprt)->xp_p2))
+
+/*
+ * We need to be able to manually set the transaction ID in the
+ * UDP transport handle, but the standard library offers us no way
+ * to do that. Hence we need this garbage.
+ */
+
+unsigned long
+svcudp_get_xid(SVCXPRT *xprt)
+{
+ struct svc_dg_data *su;
+
+ if (xprt == NULL)
+ return(0);
+ su = su_data(xprt);
+ return(su->su_xid);
+}
+
+unsigned long
+svcudp_set_xid(SVCXPRT *xprt, unsigned long xid)
+{
+ struct svc_dg_data *su;
+ unsigned long old_xid;
+
+ if (xprt == NULL)
+ return(0);
+ su = su_data(xprt);
+ old_xid = su->su_xid;
+ su->su_xid = xid;
+ return(old_xid);
+}