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|
#!/usr/bin/perl
#
# --- BEGIN COPYRIGHT BLOCK ---
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright (C) 2007 Red Hat, Inc.
# All rights reserved.
# --- END COPYRIGHT BLOCK ---
#
##############################################################
# This script is used to display the fully qualified name
# of this host.
#
# Sample Invocation:
#
# ./pkihost
#
##############################################################
##############################################################
# Perl Version
##############################################################
my $MINIMUM_PERL_VERSION = "5.006001";
my $perl_version_error_message = "ERROR: Using Perl version $] ...\n"
. " Must use Perl version "
. "$MINIMUM_PERL_VERSION or later to "
. "run this script!\n";
die "$perl_version_error_message" if $] < $MINIMUM_PERL_VERSION;
##############################################################
# Execution Check
##############################################################
# Check to insure that this script's original
# invocation directory has not been deleted!
my $cwd = `/bin/pwd`;
chomp $cwd;
if( "$cwd" eq "" ) {
print( STDERR "Cannot invoke '$0' from non-existent directory!\n" );
print( STDOUT "\n" );
exit 255;
}
##############################################################
# Environment Variables
##############################################################
# untaint called subroutines
if( ( $^O ne 'Windows_NT' ) && ( $^O ne 'MSWin32' ) ) {
$> = $<; # set effective user ID to real UID
$) = $(; # set effective group ID to real GID
$ENV{ 'PATH' } = '/bin:/usr/bin';
$ENV{ 'ENV' } = '' if $ENV{ 'ENV' } ne '';
}
##############################################################
# Command-Line Variables
##############################################################
my $ARGS = ( $#ARGV + 1 );
##############################################################
# Shared Common Perl Data and Subroutines
##############################################################
# Compute "flavor" of Operating System
my $pki_flavor = "";
if( $^O eq "linux" ) {
$pki_flavor = `pkiflavor`;
} elsif( $^O eq "solaris" ) {
$pki_flavor = `pkiflavor`;
} else {
print( STDERR
"ERROR: Unsupported platform '$^O'!\n" );
print( STDOUT "\n" );
exit 255;
}
$pki_flavor =~ s/\s+$//g;
# Establish path to scripts
my $pki_subsystem_common_area = "/usr/share/$pki_flavor";
my $common_path = "/usr/share/pki/scripts";
if( ! -d "$common_path" ) {
print( STDERR
"ERROR: The path '$common_path' does not exist!\n"
. " Unable to load shared Common Perl Data "
. "and Subroutines!\n" );
print( STDOUT "\n" );
exit 255;
}
if( ! -e "$common_path/pkicommon" ) {
print( STDERR
"ERROR: The file '$common_path/pkicommon' does not exist!\n"
. " Unable to load shared Common Perl Data "
. "and Subroutines!\n" );
print( STDOUT "\n" );
exit 255;
}
eval( "use lib '" . $common_path . "'" );
require( 'pkicommon' );
# make -w happy by suppressing warnings of Global variables used only once
my $suppress = "";
$suppress = $hostname;
##############################################################
# Main Program
##############################################################
# no args
# no return value
sub main()
{
my $host = "";
# obtain the fully-qualified domain name of this host
$host = get_FQDN( $hostname );
print( STDOUT "$host\n" );
return;
}
##############################################################
# PKI Instance Creation
##############################################################
main();
exit 0;
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