initial import

1 files changed, 91 insertions, 0 deletions

diff --git a/sunrpc/get_myaddr.c b/sunrpc/get_myaddr.c
new file mode 100644
index 0000000000..9692f852f9
--- /dev/null
+++ b/sunrpc/get_myaddr.c
@@ -0,0 +1,91 @@
+/* @(#)get_myaddress.c	2.1 88/07/29 4.0 RPCSRC */
+/*
+ * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
+ * unrestricted use provided that this legend is included on all tape
+ * media and as a part of the software program in whole or part.  Users
+ * may copy or modify Sun RPC without charge, but are not authorized
+ * to license or distribute it to anyone else except as part of a product or
+ * program developed by the user.
+ * 
+ * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
+ * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
+ * 
+ * Sun RPC is provided with no support and without any obligation on the
+ * part of Sun Microsystems, Inc. to assist in its use, correction,
+ * modification or enhancement.
+ * 
+ * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
+ * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
+ * OR ANY PART THEREOF.
+ * 
+ * In no event will Sun Microsystems, Inc. be liable for any lost revenue
+ * or profits or other special, indirect and consequential damages, even if
+ * Sun has been advised of the possibility of such damages.
+ * 
+ * Sun Microsystems, Inc.
+ * 2550 Garcia Avenue
+ * Mountain View, California  94043
+ */
+#if !defined(lint) && defined(SCCSIDS)
+static char sccsid[] = "@(#)get_myaddress.c 1.4 87/08/11 Copyr 1984 Sun Micro";
+#endif
+
+/*
+ * get_myaddress.c
+ *
+ * Get client's IP address via ioctl.  This avoids using the yellowpages.
+ * Copyright (C) 1984, Sun Microsystems, Inc.
+ */
+
+#include <rpc/types.h>
+#include <rpc/pmap_prot.h>
+#include <sys/socket.h>
+#include <stdio.h>
+#undef	 _POSIX_SOURCE		/* Ultrix <sys/param.h> needs --roland@gnu */
+#include <sys/param.h>		/* Ultrix needs before net/if --roland@gnu */
+#include <net/if.h>
+#include <sys/ioctl.h>
+/* Order of following two #includes reversed by roland@gnu */
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+/* 
+ * don't use gethostbyname, which would invoke yellow pages
+ */
+get_myaddress(addr)
+	struct sockaddr_in *addr;
+{
+	int s;
+	char buf[BUFSIZ];
+	struct ifconf ifc;
+	struct ifreq ifreq, *ifr;
+	int len;
+
+	if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
+	    perror("get_myaddress: socket");
+	    exit(1);
+	}
+	ifc.ifc_len = sizeof (buf);
+	ifc.ifc_buf = buf;
+	if (ioctl(s, SIOCGIFCONF, (char *)&ifc) < 0) {
+		perror("get_myaddress: ioctl (get interface configuration)");
+		exit(1);
+	}
+	ifr = ifc.ifc_req;
+	for (len = ifc.ifc_len; len; len -= sizeof ifreq) {
+		ifreq = *ifr;
+		if (ioctl(s, SIOCGIFFLAGS, (char *)&ifreq) < 0) {
+			perror("get_myaddress: ioctl");
+			exit(1);
+		}
+		if ((ifreq.ifr_flags & IFF_UP) &&
+		    ifr->ifr_addr.sa_family == AF_INET) {
+			*addr = *((struct sockaddr_in *)&ifr->ifr_addr);
+			addr->sin_port = htons(PMAPPORT);
+			break;
+		}
+		ifr++;
+	}
+	(void) close(s);
+}