diff options
Diffstat (limited to 'libc/inet/rpc/get_myaddress.c')
-rw-r--r-- | libc/inet/rpc/get_myaddress.c | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/libc/inet/rpc/get_myaddress.c b/libc/inet/rpc/get_myaddress.c deleted file mode 100644 index edeadce9f..000000000 --- a/libc/inet/rpc/get_myaddress.c +++ /dev/null @@ -1,109 +0,0 @@ -/* @(#)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 0 -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/clnt.h> -#include <rpc/pmap_prot.h> -#include <sys/socket.h> -#include <stdio.h> -#include <unistd.h> -#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 - * - * Avoid loopback interfaces. We return information from a loopback - * interface only if there are no other possible interfaces. - */ -void -get_myaddress (struct sockaddr_in *addr) -{ - int s; - char buf[BUFSIZ]; - struct ifconf ifc; - struct ifreq ifreq, *ifr; - int len, loopback = 0; - - 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); - } - - again: - 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) - && (!(ifreq.ifr_flags & IFF_LOOPBACK) || - (loopback == 1 && (ifreq.ifr_flags & IFF_LOOPBACK)))) - { - *addr = *((struct sockaddr_in *) &ifr->ifr_addr); - addr->sin_port = htons (PMAPPORT); - close (s); - return; - } - ifr++; - } - if (loopback == 0) - { - loopback = 1; - goto again; - } - close (s); -} |