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#!/usr/bin/perl -w
#
# try to connect to a citrix server and wait for the ica prompt.
#
# Arguments are "host [host...]"
#
# Jeroen Moors, Jeroen.Moors@Cegeka.be
#
# Copyright (C) 2005, Jeroen Moors
#
# 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; either version 2 of the License, or
# (at your option) any later version.
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
use Getopt::Std;
use Socket;
my %opt;
getopts ("t:", \%opt);
my $PORT = 1494;
my $TIMEOUT = $opt{"t"} || 10;
my @failures = ();
my @detail = ();
my $ALARM = 0;
foreach my $host (@ARGV) {
my $pro = getprotobyname ('tcp');
if (!defined $pro) {
die "could not getprotobyname\n";
}
if (!defined socket (S, PF_INET, SOCK_STREAM, $pro)) {
die "could not create socket: $!\n";
}
my $a = inet_aton ($host);
if (!defined $a) {
push @failures, $host;
push @detail, "$host could not inet_aton";
close (S);
next;
}
my $sin = sockaddr_in ($PORT, $a);
if (!defined $sin) {
push @failures, $host;
push @detail, "$host could not sockaddr_in";
close (S);
next;
}
my $r;
eval {
local $SIG{"ALRM"} = sub { die "alarm\n" };
alarm $TIMEOUT;
$r = connect (S, $sin);
my $return_string;
while (my $char = getc(S)) {
$return_string .= $char;
if ( $return_string =~ /ICA/) {
alarm 0;
last;
}
}
};
if ($@) {
push @failures, $host;
if ($@ eq "alarm\n") {
push @detail, "$host timeout";
} else {
push @detail, "$host interrupted syscall: $!";
}
close (S);
next;
}
if (!defined $r) {
push @failures, $host;
push @detail, "$host could not connect: $!";
close (S);
next;
}
if (!defined close (S)) {
push @failures, $host;
push @detail, "$host could not close socket: $!";
next;
}
}
if (@failures == 0) {
exit 0;
}
print join (" ", sort @failures), "\n";
print "\n", join ("\n", @detail), "\n";
exit 1;
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