network_cmds-606.40.2.tar.gz

[apple/network_cmds.git] / rtadvd.tproj / rtadvd.c

diff --git a/rtadvd.tproj/rtadvd.c b/rtadvd.tproj/rtadvd.c
index 43373bb7bc64924625e35397bf4ad2c8bb5af6c7..be5c0f833d1ef649eba6d6c957bfc83227ef2d45 100644 (file)
--- a/rtadvd.tproj/rtadvd.c
+++ b/rtadvd.tproj/rtadvd.c
@@ -1,3 +1,31 @@
+/*
+ * Copyright (c) 2020 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
+
 /*     $KAME: rtadvd.c,v 1.82 2003/08/05 12:34:23 itojun Exp $ */
 
 /*
@@ -1370,6 +1398,14 @@ sock_open()
        }
 #endif
 
+       on = 1;
+       if (setsockopt(sock, IPPROTO_IPV6, IPV6_DONTFRAG, &on,
+                      sizeof(on)) < 0) {
+               errorlog("<%s> IPV6_DONTFRAG: %s",
+                      __func__, strerror(errno));
+               exit(1);
+       }
+
        ICMP6_FILTER_SETBLOCKALL(&filt);
        ICMP6_FILTER_SETPASS(ND_ROUTER_SOLICIT, &filt);
        ICMP6_FILTER_SETPASS(ND_ROUTER_ADVERT, &filt);