1 files changed, 97 insertions, 0 deletions
diff --git a/contrib/traceroute/findsaddr-generic.c b/contrib/traceroute/findsaddr-generic.c
new file mode 100644
index 0000000..864e445
--- /dev/null
+++ b/contrib/traceroute/findsaddr-generic.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2000
+ *	The Regents of the University of California.  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 the Computer Systems
+ *	Engineering Group at Lawrence Berkeley Laboratory.
+ * 4. Neither the name of the University nor of the Laboratory may be used
+ *    to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 THE REGENTS 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.
+ */
+
+#ifndef lint
+static const char rcsid[] =
+    "@(#) $Id: findsaddr-generic.c,v 1.1 2000/11/23 20:17:12 leres Exp $ (LBL)";
+#endif
+
+#include <sys/param.h>
+#include <sys/file.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#ifdef HAVE_SYS_SOCKIO_H
+#include <sys/sockio.h>
+#endif
+#include <sys/time.h>				/* concession to AIX */
+
+#if __STDC__
+struct mbuf;
+struct rtentry;
+#endif
+
+#include <net/if.h>
+#include <netinet/in.h>
+
+#include <arpa/inet.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "gnuc.h"
+#ifdef HAVE_OS_PROTO_H
+#include "os-proto.h"
+#endif
+
+#include "findsaddr.h"
+#include "ifaddrlist.h"
+#include "traceroute.h"
+
+/*
+ * Return the source address for the given destination address
+ */
+const char *
+findsaddr(register const struct sockaddr_in *to,
+    register struct sockaddr_in *from)
+{
+	register int n;
+	struct ifaddrlist *al;
+	static char errbuf[132];
+
+        /* Get the interface address list */
+	if ((n = ifaddrlist(&al, errbuf)) < 0)
+		return (errbuf);
+
+	if (n == 0)
+		return ("Can't find any network interfaces");
+
+	setsin(from, al->addr);
+	if (n > 1)
+		fprintf(stderr,
+		    "%s: Warning: Multiple interfaces found; using %s @ %s\n",
+		    prog, inet_ntoa(from->sin_addr), al->device);
+	return (NULL);
+}