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--- tcpip.c.orig Tue Sep 22 13:35:43 1998
+++ tcpip.c Sat Oct 24 11:46:58 1998
@@ -25,6 +25,12 @@
#include <stdarg.h>
#include <net/if.h>
+#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__bsdi__)
+#include <err.h>
+#include <errno.h>
+#include <sysexits.h>
+#endif
+
#include "tcpip.h"
/*-- LINUX routilng TABLES */
@@ -333,7 +339,64 @@
}
}
-#else /* !LINUX ---------------------------------------------- OTHER --*/
+/*------------------------------- FreeBSD / OpenBSD / NetBSD / BSDI --*/
+#elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__bsdi__)
+/*
+ FreeBSD Ref: /usr/share/examples/find_interface/
+*/
+ struct sockaddr_in local, remote;
+ int s, rv, namelen;
+
+ remote.sin_addr.s_addr = dest;
+ remote.sin_port = htons(60000);
+ remote.sin_family = AF_INET;
+ remote.sin_len = sizeof remote;
+
+ local.sin_addr.s_addr = htonl(INADDR_ANY);
+ local.sin_port = htons(60000);
+ local.sin_family = AF_INET;
+ local.sin_len = sizeof local;
+
+ s = socket(PF_INET, SOCK_DGRAM, 0);
+ if (s < 0)
+ err(EX_OSERR, "socket");
+
+ do
+ {
+ rv = bind(s, (struct sockaddr *)&local, sizeof local);
+ local.sin_port = htons(ntohs(local.sin_port) + 1);
+ } while(rv < 0 && errno == EADDRINUSE);
+
+ if (rv < 0)
+ err(EX_OSERR, "bind");
+
+ do
+ {
+ rv = connect(s, (struct sockaddr *)&remote, sizeof remote);
+ remote.sin_port = htons(ntohs(remote.sin_port) + 1);
+ } while(rv < 0 && errno == EADDRINUSE);
+
+ if (rv < 0)
+ err(EX_OSERR, "bind");
+
+ do
+ {
+ rv = connect(s, (struct sockaddr *)&remote, sizeof remote);
+ remote.sin_port = htons(ntohs(remote.sin_port) + 1);
+ } while(rv < 0 && errno == EADDRINUSE);
+
+ if (rv < 0)
+ err(EX_OSERR, "connect");
+
+ namelen = sizeof local;
+ rv = getsockname(s, (struct sockaddr *)&local, &namelen);
+
+ if (rv < 0)
+ err(EX_OSERR, "getsockname");
+
+ return local.sin_addr;
+
+#else /* !LINUX && !BSD ---------------------------------- OTHER --*/
struct sockaddr_in sin;
char myname[80];
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