2 files changed, 57 insertions, 0 deletions
diff --git a/net/socketbind/files/Makefile b/net/socketbind/files/Makefile
new file mode 100644
index 000000000000..fa3232ac9c11
--- /dev/null
+++ b/net/socketbind/files/Makefile
@@ -0,0 +1,11 @@
+# $FreeBSD$
+LIB=socketbind
+SHLIB_MAJOR=1
+
+DESTDIR=/usr/local
+SRCS=socketbind.c
+NOMAN=YES
+#DEBUG_FLAGS=-DDEBUG
+
+
+.include <bsd.lib.mk>
diff --git a/net/socketbind/files/socketbind.c b/net/socketbind/files/socketbind.c
new file mode 100644
index 000000000000..51d929d9b794
--- /dev/null
+++ b/net/socketbind/files/socketbind.c
@@ -0,0 +1,46 @@
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <dlfcn.h>
+
+static void *socket_p, *dl_handle;
+
+static struct sockaddr_in bind_addr;
+static int	   do_bind;
+
+int socket(int domain, int type, int protocol) {
+	auto int res;
+	if (dl_handle == NULL) {
+		char *str;
+		dl_handle = dlopen("/usr/lib/libc.so", RTLD_LAZY);
+		if (dl_handle == NULL) 
+			return -1;
+		socket_p = dlsym(dl_handle, "socket");
+		if (!socket_p)
+			return -1;
+#ifdef DEBUG
+		printf("Loaded socket %x\n", socket_p);
+#endif
+
+		if ((str = getenv("BINDTO")) != NULL) {
+#ifdef DEBUG
+			printf("Thinking about bind\n");
+#endif
+			if (ascii2addr(AF_INET, str, &bind_addr.sin_addr)) {
+				do_bind = 1;
+				bind_addr.sin_len = INET_ADDRSTRLEN;
+				bind_addr.sin_family = AF_INET;
+#ifdef DEBUG
+				printf("WILL DO BIND %s, %x\n", str, bind_addr.sin_addr.s_addr);
+#endif
+			}
+		}
+	}
+	res = ((int(*)(int a, int b, int c))socket_p)(domain, type, protocol); 
+	if (do_bind) {
+		bind(res, (struct sockaddr*)&bind_addr, INET_ADDRSTRLEN);
+	}
+	return res;
+};
+