1*0Sstevel@tonic-gate#!/usr/bin/nawk -f 2*0Sstevel@tonic-gate# 3*0Sstevel@tonic-gate# CDDL HEADER START 4*0Sstevel@tonic-gate# 5*0Sstevel@tonic-gate# The contents of this file are subject to the terms of the 6*0Sstevel@tonic-gate# Common Development and Distribution License, Version 1.0 only 7*0Sstevel@tonic-gate# (the "License"). You may not use this file except in compliance 8*0Sstevel@tonic-gate# with the License. 9*0Sstevel@tonic-gate# 10*0Sstevel@tonic-gate# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 11*0Sstevel@tonic-gate# or http://www.opensolaris.org/os/licensing. 12*0Sstevel@tonic-gate# See the License for the specific language governing permissions 13*0Sstevel@tonic-gate# and limitations under the License. 14*0Sstevel@tonic-gate# 15*0Sstevel@tonic-gate# When distributing Covered Code, include this CDDL HEADER in each 16*0Sstevel@tonic-gate# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 17*0Sstevel@tonic-gate# If applicable, add the following below this CDDL HEADER, with the 18*0Sstevel@tonic-gate# fields enclosed by brackets "[]" replaced with your own identifying 19*0Sstevel@tonic-gate# information: Portions Copyright [yyyy] [name of copyright owner] 20*0Sstevel@tonic-gate# 21*0Sstevel@tonic-gate# CDDL HEADER END 22*0Sstevel@tonic-gate# 23*0Sstevel@tonic-gate# 24*0Sstevel@tonic-gate#ident "%Z%%M% %I% %E% SMI" 25*0Sstevel@tonic-gate# 26*0Sstevel@tonic-gate# Copyright (c) 1996, by Sun Microsystems, Inc. 27*0Sstevel@tonic-gate# All rights reserved. 28*0Sstevel@tonic-gate# 29*0Sstevel@tonic-gate# Awk code to handle the creation of the YP_MULTI_ entries 30*0Sstevel@tonic-gate# in the hosts.byname map. Called by multi directly. 31*0Sstevel@tonic-gate# 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate{ 34*0Sstevel@tonic-gate # Here we loop through the list of hostnames 35*0Sstevel@tonic-gate # doing two separate things... 36*0Sstevel@tonic-gate # First, we're building a list of hostnames 37*0Sstevel@tonic-gate # for the current IP address ($1). 38*0Sstevel@tonic-gate # Second, if we've seen a name before then 39*0Sstevel@tonic-gate # we add the current address ($1) to a list 40*0Sstevel@tonic-gate # of address associated with this particular 41*0Sstevel@tonic-gate # name ($i). 42*0Sstevel@tonic-gate # 43*0Sstevel@tonic-gate # Note, that we're pretty careful about keeping 44*0Sstevel@tonic-gate # out duplicates (and this has a cost). 45*0Sstevel@tonic-gate 46*0Sstevel@tonic-gate for (i = 2; i <= NF; i++) { 47*0Sstevel@tonic-gate # Make the namelist for this address 48*0Sstevel@tonic-gate if (namelist[$1] == "") { 49*0Sstevel@tonic-gate namelist[$1] = $i; 50*0Sstevel@tonic-gate } else if (namelist[$1] == $i) { 51*0Sstevel@tonic-gate ; 52*0Sstevel@tonic-gate } else if (index(namelist[$1], $i) == 0) { 53*0Sstevel@tonic-gate namelist[$1] = namelist[$1] " " $i; 54*0Sstevel@tonic-gate } else { 55*0Sstevel@tonic-gate nf = 1; 56*0Sstevel@tonic-gate numnames = split(namelist[$1], n); 57*0Sstevel@tonic-gate for (j = 1; j <= numnames; j++) { 58*0Sstevel@tonic-gate if (n[j] == $i) { 59*0Sstevel@tonic-gate nf = 0; 60*0Sstevel@tonic-gate break; 61*0Sstevel@tonic-gate } 62*0Sstevel@tonic-gate } 63*0Sstevel@tonic-gate if (nf) { 64*0Sstevel@tonic-gate namelist[$1] = namelist[$1] " " $i; 65*0Sstevel@tonic-gate nf = 0; 66*0Sstevel@tonic-gate } 67*0Sstevel@tonic-gate } 68*0Sstevel@tonic-gate 69*0Sstevel@tonic-gate # Do we have an address for this name? 70*0Sstevel@tonic-gate # If not, and it's not already there, add it. 71*0Sstevel@tonic-gate if (addr[$i] == "") { 72*0Sstevel@tonic-gate addr[$i] = $1; 73*0Sstevel@tonic-gate } else if (index(addr[$i], $1) == 0) { 74*0Sstevel@tonic-gate addr[$i] = addr[$i] "," $1 75*0Sstevel@tonic-gate } 76*0Sstevel@tonic-gate } 77*0Sstevel@tonic-gate} 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gateEND { 80*0Sstevel@tonic-gate # There are now a bunch o addresses in the addr 81*0Sstevel@tonic-gate # array that are actually lists. We go through 82*0Sstevel@tonic-gate # all of them here and build a list of hostname 83*0Sstevel@tonic-gate # aliases into the namelist array. 84*0Sstevel@tonic-gate # 85*0Sstevel@tonic-gate for (host in addr) { 86*0Sstevel@tonic-gate if (index(addr[host], ",") == 0) 87*0Sstevel@tonic-gate continue; 88*0Sstevel@tonic-gate numaddr = split(addr[host], tmpaddr, ","); 89*0Sstevel@tonic-gate for (i = 1; i <= numaddr; i++) { 90*0Sstevel@tonic-gate numnames = split(namelist[tmpaddr[i]], tmpname); 91*0Sstevel@tonic-gate for (j = 1; j <= numnames; j++) { 92*0Sstevel@tonic-gate if (namelist[addr[host]] == "") { 93*0Sstevel@tonic-gate namelist[addr[host]] = tmpname[j]; 94*0Sstevel@tonic-gate continue; 95*0Sstevel@tonic-gate } 96*0Sstevel@tonic-gate if (namelist[addr[host]] == tmpname[j]) { 97*0Sstevel@tonic-gate continue; 98*0Sstevel@tonic-gate } 99*0Sstevel@tonic-gate if (index(namelist[addr[host]], tmpname[j]) == 0) { 100*0Sstevel@tonic-gate namelist[addr[host]] = namelist[addr[host]] " " tmpname[j]; 101*0Sstevel@tonic-gate continue; 102*0Sstevel@tonic-gate } else { 103*0Sstevel@tonic-gate nf = 1; 104*0Sstevel@tonic-gate for (k = 1; k <= numnames; k++) { 105*0Sstevel@tonic-gate if (tmpname[j] == tmpname[k]) { 106*0Sstevel@tonic-gate nf = 0; 107*0Sstevel@tonic-gate break; 108*0Sstevel@tonic-gate } 109*0Sstevel@tonic-gate } 110*0Sstevel@tonic-gate if (nf == 1) { 111*0Sstevel@tonic-gate namelist[addr[host]] = namelist[addr[host]] " " tmpname[j]; 112*0Sstevel@tonic-gate nf = 1; 113*0Sstevel@tonic-gate } 114*0Sstevel@tonic-gate } 115*0Sstevel@tonic-gate } 116*0Sstevel@tonic-gate } 117*0Sstevel@tonic-gate } 118*0Sstevel@tonic-gate 119*0Sstevel@tonic-gate # Now do that funky output thang... 120*0Sstevel@tonic-gate for (host in addr) { 121*0Sstevel@tonic-gate if (index(addr[host], ",")) { 122*0Sstevel@tonic-gate printf("YP_MULTI_"); 123*0Sstevel@tonic-gate } 124*0Sstevel@tonic-gate printf("%s %s\t%s\n", 125*0Sstevel@tonic-gate host, addr[host], namelist[addr[host]]); 126*0Sstevel@tonic-gate } 127*0Sstevel@tonic-gate} 128