/usr/sbin/fence_brocade is in fence-agents 3.1.5-2ubuntu2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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use Getopt::Std;
use Net::Telnet ();
my $ME = $0;
END {
defined fileno STDOUT or return;
close STDOUT and return;
warn "$ME: failed to close standard output: $!\n";
$? ||= 1;
}
# Get the program name from $0 and strip directory names
$_=$0;
s/.*\///;
my $pname = $_;
$opt_o = 'disable'; # Default fence action
# WARNING!! Do not add code bewteen "#BEGIN_VERSION_GENERATION" and
# "#END_VERSION_GENERATION" It is generated by the Makefile
#BEGIN_VERSION_GENERATION
$RELEASE_VERSION="3.1.5";
$BUILD_DATE="(built Mon Feb 6 23:36:22 UTC 2012)";
$REDHAT_COPYRIGHT="Copyright (C) Red Hat, Inc. 2004-2010 All rights reserved.";
#END_VERSION_GENERATION
sub usage
{
print "Usage:\n";
print "\n";
print "$pname [options]\n";
print "\n";
print "Options:\n";
print " -a <ip> IP address or hostname of switch\n";
print " -h usage\n";
print " -l <name> Login name\n";
print " -n <num> Port number to operate on\n";
print " -o <string> Action: disable (default) or enable\n";
print " -p <string> Password for login\n";
print " -S <path> Script to run to retrieve password\n";
print " -q quiet mode\n";
print " -V version\n";
exit 0;
}
sub fail
{
($msg) = @_;
print $msg."\n" unless defined $opt_q;
$t->close if defined $t;
exit 1;
}
sub fail_usage
{
($msg)=@_;
print STDERR $msg."\n" if $msg;
print STDERR "Please use '-h' for usage.\n";
exit 1;
}
sub version
{
print "$pname $RELEASE_VERSION $BUILD_DATE\n";
print "$REDHAT_COPYRIGHT\n" if ( $REDHAT_COPYRIGHT );
exit 0;
}
if (@ARGV > 0) {
getopts("a:hl:n:o:p:S:qV") || fail_usage ;
usage if defined $opt_h;
version if defined $opt_V;
fail_usage "Unknown parameter." if (@ARGV > 0);
if (defined $opt_S) {
$pwd_script_out = `$opt_S`;
chomp($pwd_script_out);
if ($pwd_script_out) {
$opt_p = $pwd_script_out;
}
}
fail_usage "No '-a' flag specified." unless defined $opt_a;
fail_usage "No '-n' flag specified." unless defined $opt_n;
fail_usage "No '-l' flag specified." unless defined $opt_l;
fail_usage "No '-p' or '-S' flag specified." unless defined $opt_p;
fail_usage "Unrecognised action '$opt_o' for '-o' flag"
unless $opt_o =~ /^(disable|enable)$/i;
} else {
get_options_stdin();
fail "failed: no IP address" unless defined $opt_a;
fail "failed: no plug number" unless defined $opt_n;
fail "failed: no login name" unless defined $opt_l;
if (defined $opt_S) {
$pwd_script_out = `$opt_S`;
chomp($pwd_script_out);
if ($pwd_script_out) {
$opt_p = $pwd_script_out;
}
}
fail "failed: no password" unless defined $opt_p;
fail "failed: unrecognised action: $opt_o"
unless $opt_o =~ /^(disable|enable)$/i;
}
if ( $opt_o =~ /^(disable|enable)$/i )
{
$opt_o = "port".$1;
}
#
# Set up and log in
#
$t = new Net::Telnet;
$t->open($opt_a);
$t->waitfor('/login:/');
$t->print($opt_l);
$t->waitfor('/assword:/');
$t->print($opt_p);
$t->waitfor('/\>/');
#
# Do the command
#
$cmd = "$opt_o $opt_n";
$t->print($cmd);
#
# Assume here that the word "error" will appear after errors (bad assumption! see next check)
#
($text, $match) = $t->waitfor('/\>/');
if ($text =~ /error/)
{
fail "failed: error from switch\n";
}
#
# Do a portshow on the port and look for the DISABLED string to verify success
#
$t->print("portshow $opt_n");
($text, $match) = $t->waitfor('/\>/');
if ( $opt_o eq "portdisable" && !($text =~ /DISABLED/) )
{
fail "failed: portshow $opt_n does not show DISABLED\n";
}
elsif ( $opt_o eq "portenable" && ($text =~ /DISABLED/) )
{
fail "failed: portshow $opt_n shows DISABLED\n";
}
print "success: $opt_o $opt_n\n" unless defined $opt_q;
exit 0;
sub get_options_stdin
{
my $opt;
my $line = 0;
while( defined($in = <>) )
{
$_ = $in;
chomp;
# strip leading and trailing whitespace
s/^\s*//;
s/\s*$//;
# skip comments
next if /^#/;
$line+=1;
$opt=$_;
next unless $opt;
($name,$val)=split /\s*=\s*/, $opt;
if ( $name eq "" )
{
print STDERR "parse error: illegal name in option $line\n";
exit 2;
}
# DO NOTHING -- this field is used by fenced
elsif ($name eq "agent" ) { }
# FIXME -- depricated. use "port" instead.
elsif ($name eq "fm" )
{
(my $dummy,$opt_n) = split /\s+/,$val;
print STDERR "Depricated \"fm\" entry detected. refer to man page.\n";
}
elsif ($name eq "ipaddr" )
{
$opt_a = $val;
}
elsif ($name eq "login" )
{
$opt_l = $val;
}
# FIXME -- depreicated residue of old fencing system
elsif ($name eq "name" ) { }
elsif ($name eq "option" )
{
$opt_o = $val;
}
elsif ($name eq "passwd" )
{
$opt_p = $val;
}
elsif ($name eq "passwd_script") {
$opt_S = $val;
}
elsif ($name eq "port" )
{
$opt_n = $val;
}
# elsif ($name eq "test" )
# {
# $opt_T = $val;
# }
}
}
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