/* get_myaddress.c - get client's IP address via ioctl *//* Copyright 1989-2000 Wind River Systems, Inc. */#include "copyright_wrs.h"/* @(#)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/*modification history--------------------01g,18apr00,ham  fixed compilation warnings.  01f,11aug93,jmm  Changed ioctl.h and socket.h to sys/ioctl.h and sys/socket.h01e,26may92,rrr  the tree shuffle		  -changed includes to have absolute path from h/01d,04oct91,rrr  passed through the ansification filter		  -added include "rpc/xdr.h"		  -changed includes to have absolute path from h/		  -changed copyright notice01c,18may91,hjb  included vxWorks.h01b,19apr90,hjb  de-linted.01a,11jul89,hjb  first VxWorks version for RPC 4.0 upgrade*//* * get_myaddress.c * * Get client's IP address via ioctl.  This avoids using the yellowpages. * Copyright (C) 1984, Sun Microsystems, Inc. */#include "vxWorks.h"#include "stdio.h"#include "ioLib.h"#include "rpc/rpctypes.h"#include "rpc/xdr.h"#include "rpc/pmap_prot.h"#include "sys/socket.h"#include "sockLib.h"#include "net/if.h"#include "sys/ioctl.h"#include "netinet/in.h"#include "taskLib.h"#ifdef BUFSIZ#undef BUFSIZ#endif#define BUFSIZ 1024#define SOCKSIZ 40/* * don't use gethostbyname, which would invoke yellow pages */voidget_myaddress(addr)	struct sockaddr_in *addr;{	int s;	char buf[BUFSIZ], ifreqBuf [SOCKSIZ];	struct ifconf ifc;	struct ifreq * ifr;	int len;	if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {	    perror("get_myaddress: socket");	    taskSuspend (0);	}	ifc.ifc_len = sizeof (buf);	ifc.ifc_buf = buf;	if (ioctl (s, SIOCGIFCONF, (int)&ifc) < 0) {		perror("get_myaddress: ioctl (get interface configuration)");		taskSuspend (0);	}	ifr = ifc.ifc_req;	for (len = ifc.ifc_len; len; len -= (sizeof(ifr->ifr_name) + 					     ifr->ifr_addr.sa_len))	    {	    bcopy ((caddr_t)ifr, ifreqBuf, (sizeof(ifr->ifr_name) + 					    ifr->ifr_addr.sa_len)); 		if (ioctl(s, SIOCGIFFLAGS, (int)ifreqBuf) < 0) {			perror("get_myaddress: ioctl");			taskSuspend (0);		}		if ((((struct ifreq *)ifreqBuf)->ifr_flags & IFF_UP) &&		    ifr->ifr_addr.sa_family == AF_INET) {			*addr = *((struct sockaddr_in *)&ifr->ifr_addr);			addr->sin_port = htons((u_short) PMAPPORT);			break;		}		ifr = (struct ifreq *)((char *)ifr + (sizeof(ifr->ifr_name) + 				     ifr->ifr_addr.sa_len));	    }	(void) close(s);}