423 lines
13 KiB
Plaintext
423 lines
13 KiB
Plaintext
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#!/usr/bin/perl -w
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#==============================================================================
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# lat-hosts
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# =========
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# 0.9.0 (2004-09-08)
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# (c)2003-2004 Altiplano bvba
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#==============================================================================
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package esmith;
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use strict;
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use esmith::config;
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use esmith::db;
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use esmith::util;
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use Getopt::Long;
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use Pod::Usage;
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my %conf;
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tie %conf, 'esmith::config';
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my %accounts;
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tie %accounts, 'esmith::config', '/home/e-smith/db/accounts';
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my %hosts;
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tie %hosts, 'esmith::config', '/home/e-smith/db/hosts';
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my %domains;
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tie %domains, 'esmith::config', '/home/e-smith/db/domains';
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my ($Hlp, $Cml, $Frc, $Inp);
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my $Add =0;
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my $Del =0;
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#==============================================================================
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# Main
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#==============================================================================
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sub performCreateLocalHostEntry ($$$$$$$);
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# Analyze commandline options
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GetOptions ("help" => \$Hlp,
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"add" => \$Add,
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"delete" => \$Del,
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"force" => \$Frc,
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"command-line=s" => \$Cml,
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"input-file=s" => \$Inp);
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if ( $Hlp ) { &PrintPod(9); exit; }
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# We need one argument or the other, but not both
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if ((($Cml && $Inp) || (! $Cml && ! $Inp)) ||
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($Add + $Del != 1))
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{ &PrintPod(1); exit; }
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my @records;
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if ($Inp) {
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open(LIST,"< $Inp") || die "Can't find $Inp.\n";
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@records = grep(!/(^\s*#)|(^\s*$)/,<LIST>);
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close(LIST); }
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elsif ($Cml) { @records=($Cml); }
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else { &PrintPod(1); exit; }
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if ($Add) {
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# Process each user
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foreach my $record (@records)
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{
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my @fields=split(/\|/,$record);
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for (my $cnt=0; $cnt <= $#fields; ++$cnt) { for ($fields[$cnt]) { s/^\s+//; s/\s+$//; }}
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performCreateLocalHostEntry ($fields[0], # HostName
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$fields[1], # DomainName
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$fields[2], # Location
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$fields[3], # Visibility
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$fields[4], # Local IP
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$fields[5], # Global IP
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$fields[6]); # Mac Address
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}
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}
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if ($Del) {
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&ExpandWildCard; # Check for wildcards and expand if necessary
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# Process each user
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foreach my $record (@records)
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{
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my @fields=split(/\|/,$record);
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for (my $cnt=0; $cnt <= $#fields; ++$cnt) { for ($fields[$cnt]) { s/^\s+//; s/\s+$//; }}
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if (! $fields[1] ) { $fields[1] = db_get(\%conf, 'DomainName') }
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my $FullHostName = lc($fields[0]).".".lc($fields[1]);
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if ((db_get(\%hosts, $FullHostName)) &&
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(db_get_type(\%hosts, $FullHostName)) eq "host") {
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my $yn = 'yes';
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if (! $Frc) {
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print "Do you want to delete host '$FullHostName' [yes/NO/all]? ";
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$yn = <STDIN>;
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if ($yn =~ /^a/i) { $Frc = -1; $yn="yes"; }
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}
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if ($yn =~ /^y/i) {
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print "Deleting '$FullHostName'...\n";
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db_delete(\%hosts, $FullHostName);
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system ("/sbin/e-smith/signal-event", "host-delete", "$FullHostName") == 0
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or die ("Error occurred while deleting '$FullHostName'.\n");
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}
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}
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else { print "Can't find host '$FullHostName'.\n\a";}
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}
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}
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#==============================================================================
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# Subroutines
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#==============================================================================
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# Create local host
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sub performCreateLocalHostEntry ($$$$$$$)
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{
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my $REGEXPMACAddress = '([0-9a-f][0-9a-f](:[0-9a-f][0-9a-f]){5})';
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my $REGEXPIPAddress = '(self|\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})';
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my $REGEXPHostname = '([a-z0-9][a-z0-9-]*)';
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my ($q) = @_;
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my ($HostName, $DomainName, $Location, $Visibility, $InternalIP, $ExternalIP, $MACAddress) = @_;
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my %hostProperties;
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#------------------------------------------------------------
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# Validate parameters and untaint them
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#------------------------------------------------------------
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# Hostname
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$HostName = lc($HostName);
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if ($HostName =~ /^$REGEXPHostname$/) {
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$HostName = $1;
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}
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else {
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print "Bad hostname ($HostName).\a\n";
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return;
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}
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if (length $HostName > 32) {
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print "Hostname too long.\a\n";
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return;
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}
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# Domainname
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if (! $DomainName) { $DomainName = db_get(\%conf, 'DomainName') }
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$DomainName = lc($DomainName);
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if ((! db_get(\%domains, $DomainName)) &&
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( db_get(\%conf, 'DomainName') ne $DomainName)) {
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print "\nThe domainname '$DomainName' is not hosted on this server.\a\n";
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return;
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}
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if ($DomainName =~ /^([a-z0-9\-\.]+)$/) {
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$DomainName = $1;
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}
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else {
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print "Unexpected characters in '$DomainName'.\a\n";
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return;
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}
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print "\nCreating $HostName.$DomainName...\n";
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# Location
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if (! $Location) { $Location = "Self" }
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if ( $Location =~ /(local)|(remote)|(self)/i ) {
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$Location = ucfirst lc $Location;
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}
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else { $Location = "Self" }
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# Visibility
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if ( ! $Visibility ) {
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$Visibility = "Local";
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$ExternalIP = "";
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}
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if ( $Visibility =~ /(local)|(global)/i ) {
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$Visibility = ucfirst lc $Visibility;
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}
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else { $Visibility = "Local" }
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if ($Visibility eq "Local") { $ExternalIP = "" }
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# Internal IP address
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if (! $InternalIP) { $InternalIP = ''; }
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if ($Location eq 'Self') { $InternalIP = '' }
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elsif ($InternalIP =~ /^$REGEXPIPAddress$/ ) { $InternalIP = $1; }
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else {
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print "Error: IP Address '$InternalIP' is invalid. Did not create hostname.\a\n";
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return;
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}
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# MAC address
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if (( ! $MACAddress ) || ($Location ne "Local")) { $MACAddress = "" }
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if ( length($MACAddress) == 0 )
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{
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# They don't want one
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}
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elsif ($MACAddress =~ /^$REGEXPMACAddress$/i )
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{
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$MACAddress = $1;
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}
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else
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{
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print "Invalid Mac Address \n";
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return;
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}
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# External IP
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if ( ! $ExternalIP ) { $ExternalIP = "" }
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if ($Visibility eq 'Global') # Wants externally visible - needs external IP
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{
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if ( length ($ExternalIP) == 0 )
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{
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print "Error: You did not enter a Global IP value for '$HostName'.\a\n";
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return;
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}
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elsif ($ExternalIP =~ /^$REGEXPIPAddress$/ )
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{
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$ExternalIP = $1;
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}
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else
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{
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print "Error: IP Address '$ExternalIP' is invalid. Did not create hostname.\a\n";
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return;
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}
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}
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else # Wants internally visible - optional external IP
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{
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if ( length ($ExternalIP) == 0 )
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{
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# They didn't specify one
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}
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elsif ($ExternalIP =~ /^$REGEXPIPAddress$/ )
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{
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$ExternalIP = $1;
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}
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else
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{
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print "Error: IP Address '$ExternalIP' is invalid. Did not create hostname.\a\n";
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return;
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}
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}
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#------------------------------------------------------------
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# Looks good. Find out if this entry has been taken
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#------------------------------------------------------------
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my $fullHostName = join (".", $HostName, $DomainName);
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if (defined (db_get(\%hosts, $fullHostName)) )
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{
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print "HostName '$fullHostName' already exists. \n";
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return;
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}
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#------------------------------------------------------------
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# Host entry is available! Update hosts database.
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#------------------------------------------------------------
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print "HostName : $HostName\n";
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print "DomainName : $DomainName\n";
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print "Location : $Location\n";
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print "Visibility : $Visibility\n";
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print "Local IP : $InternalIP\n";
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print "Global IP : $ExternalIP\n";
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print "Mac Address : $MACAddress\n";
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$hostProperties{'Visibility'} = $Visibility;
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$hostProperties{'HostType'} = $Location;
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$hostProperties{'InternalIP'} = $InternalIP;
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$hostProperties{'ExternalIP'} = $ExternalIP;
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$hostProperties{'MACAddress'} = $MACAddress;
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db_set(\%hosts, $fullHostName, 'host', \%hostProperties);
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#------------------------------------------------------------
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# Signal the create-host event.
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#------------------------------------------------------------
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system ("/sbin/e-smith/signal-event", "host-create", "$HostName") == 0
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or die ("Error occurred while creating hostname.\n");
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}
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#==============================================================================
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# Test for wildcards in the hostname. If any wildecards are found, the array
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# @records is expanded with the hostnames that meet the conditions.
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sub ExpandWildCard {
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my $ctrec = 0;
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foreach my $record (@records)
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{
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my @fld=split(/\|/,$record);
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for (my $cnt=0; $cnt <= $#fld; ++$cnt) { for ($fld[$cnt]) { s/^\s+//; s/\s+$//; }}
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if ($fld[0] =~ /\*|\?/) { # Does it contain the wildcards?
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$fld[0] =~ s/\*/\.\*/g; # Replace * with .* to allow for grep.
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$fld[0] =~ s/\?/\./g; # Replace ? with . to allow for grep.
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if (! $fld[1]) { $fld[1] = db_get(\%conf, 'DomainName'); }
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open USRS, "</home/e-smith/db/hosts" or die "Can't open /home/e-smith/db/hosts: $!";
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my @match = grep /^$fld[0]\.$fld[1]=host\|/i, <USRS>;
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close(USRS);
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my $cu = 0;
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foreach my $tst (@match) {
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$tst =~ /\.$fld[1]\=/; $tst = $`;
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for (my $cnt=1; $cnt <= $#fld; ++$cnt) { $tst = $tst." | ".$fld[$cnt]; };
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if ($cu == 0 ) {
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$records[$ctrec] = $tst;
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$cu =1;
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}
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else {
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push(@records, $tst);
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}
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}
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}
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++$ctrec;
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}
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}
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#==============================================================================
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# Print the pod text as a help screen
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sub PrintPod {
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my ($verbose, $message) = @_;
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pod2usage(-verbose => $verbose, -message => $message, -exitval => 64);
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}
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#==============================================================================
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=pod
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=head1 NAME
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B<lat-hosts> - The lazy administrator's tool to manage hostnames
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=head1 DESCRIPTION
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Creates or deletes hosnames on Mitel's SME servers.
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This tool is functionally equivalent to the 'Hostnames and addresses' option in the server-manager, but can be run from the command line or called from an other script.
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It allows you, for example, to create a large number of hostnames in a batch process, or delete hostnames on a remote machine via an ssh console.
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See F</usr/doc/lazy-admin-tools/example.hosts> for the format of the input file.
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=head1 SYNOPSIS
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B<lat-hosts> -a -c "host| domain| loc. | visib. | loc.ip | glob.ip | mac"
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B<lat-hosts> -a -i /path/to/hosts.list
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B<lat-hosts> -d [-f] -c "Host | Domain"
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B<lat-hosts> -d [-f] -i /path/to/hosts.list
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=head1 OPTIONS
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The following options are supported:
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=over 4
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=item B<-a>, B<--add>
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Add a host name to the server
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=item B<-c "Arguments">, B<--command-line="Arguments">
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Take arguments from the command line. See below for the various arguments that are accepted.
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=item B<-d>, B<--delete>
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Delete a hostname from the server. Wildcards (* and ?) are accepted.
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=item B<-f>, B<--force>
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Don't prompt before deleting.
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=item B<-h>, B<--help>
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Extended help for this tool
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=item B<-i FILE>, B<--input-file=FILE>
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Use the information from F<FILE> to create or delete the hostname(s).
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=back
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=head2 Arguments:
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host* : Must contain only letters, numbers, and hyphens,
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and must start with a letter or number. Wildcards
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(* and ?) can only be used to delete hostnames.
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domain : Must be an existing (virtual) domain name. If
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omitted, the primary site is assumed.
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loc. : Location of the server:
|
||
|
|
'Local' (on the LAN)
|
||
|
|
'Remote' (on the Internet)
|
||
|
|
'Self' (alias for the SME server)
|
||
|
|
visib. : 'Local' (only visible on the LAN)
|
||
|
|
'Global' (visible on the entire Internet).
|
||
|
|
loc.ip : Internal IP number
|
||
|
|
glob.ip : Public IP number
|
||
|
|
mac : The ethernet address is optional and causes the
|
||
|
|
DHCP server to statically bind the local IP address
|
||
|
|
to the computer with this ethernet address.
|
||
|
|
|
||
|
|
* mandatory field
|
||
|
|
|
||
|
|
=head1 EXAMPLES
|
||
|
|
|
||
|
|
B<lat-hosts -a -c "ntp | hogwarts.net | self | local">
|
||
|
|
|
||
|
|
Creates host name 'ntp.hogwarts.net' on the SME server. The host name will be visible only on the LAN.
|
||
|
|
|
||
|
|
B<lat-hosts -a -i /root/hosts.list>
|
||
|
|
|
||
|
|
Creates the host names defined in F</root/hosts.list>. Refer to F</usr/doc/lazy-admin-tools/example.hosts> for an example of an input file.
|
||
|
|
|
||
|
|
B<lat-hosts -d -f -c "ftp*">
|
||
|
|
|
||
|
|
Deletes all host names that start with 'ftp'. The host names will be deleted without prompting (-f).
|
||
|
|
|
||
|
|
=head1 SEE ALSO
|
||
|
|
|
||
|
|
lat-group(8), lat-pseudonyms(8), lat-ibays(8), lat-quota(8), lat-domains(8), lat-users(8), lat-procmail(8), lat-pptp(8), lat-dump(8)
|
||
|
|
|
||
|
|
=head1 VERSION
|
||
|
|
|
||
|
|
Version 0.9.0 (2004-09-08). The latest version is hosted at B<http://www.contribs.org/contribs/mblotwijk/>
|
||
|
|
|
||
|
|
=head1 COPYRIGHT
|
||
|
|
|
||
|
|
(c)2003-2004, Altiplano bvba (B<http://www.altiplano.be>). Released under the terms of the GNU license.
|
||
|
|
|
||
|
|
|
||
|
|
=head1 BUGS
|
||
|
|
|
||
|
|
Please report bugs to <Bugs@Altiplano.Be>
|
||
|
|
|
||
|
|
=cut
|
||
|
|
|
||
|
|
#==============================================================================
|