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#!/usr/bin/perl -w
use strict;
use IO::Socket;
use Getopt::Long;
$|=1;
my (
$host, $username, $password, $verbose, $help, $command, $mode,
$ipaddr, $respaddr, $sendto, $msg, $recvfrom,
$version, $response, $message, $line,
$sock, $port, $reply,
$warning, $critical,
%warnval, %critval,
%channels,
$runmode,
$key,
$s,
);
my $stop = 0;
my $mgr_port = 5038;
my $iax_port = 4569;
my $exitcode = 0;
my $cause = "";
my $iax_answer = 0;
my $iax_maxlen = 1024;
my $iax_timeout = 5;
my $iax_src_call = "8000"; #8000 most siginificant bit is IAX packet type full ... required for a poke etc...
my $iax_dst_call = "0000";
my $iax_timestamp = "00000000";
my $iax_outbound_seq = "00";
my $iax_inbound_seq = "00";
my $iax_type = "06"; #IAX_Control
sub ok {
$s = shift;
$s =~ s/[\r\n]//g;
print "OK: $s\n";
exit(0);
}
sub warning {
$s = shift;
$s =~ s/[\r\n]//g;
print "WARNING: $s\n";
exit(1);
}
sub error {
$s = shift;
$s =~ s/[\r\n]//g;
print "ERROR: $s\n";
exit(2);
}
sub unknown {
$s = shift;
$s =~ s/[\r\n]//g;
print "UNKNOWN: $s\n";
exit(3);
}
sub syntax {
$s = shift;
unless ($s =~ m/Help:/) {
$s = "Error: (".$s.")" or $s = 'Unknown';
}
print "$s\n" unless ($help);
print "Syntax: $0 -m mgr -h <host> -u <username> -p <password> [-cwv]\n";
print "Syntax: $0 -m iax -h <host> [-v]\n";
print "* --host -h Host\n";
print "* --mode -m Mode - eithr 'mgr' or 'iax'\n";
print " --username -u Username\n";
print " --password -p Password\n";
print " --port -P n Port (if not using $mgr_port for manager or $iax_port for IAX)\n";
print " --warning xxx=n Return warning if > n channels of type xxx.\n";
print " --critical xxx=n Return critical if > n channels of type xxx.\n";
print " --verbose -v Verbose\n";
print " --help -h This help\n";
exit(3);
}
Getopt::Long::Configure('bundling');
GetOptions
("p=s" => \$password, "password=s" => \$password,
"u=s" => \$username, "username=s" => \$username,
"h=s" => \$host, "host=s" => \$host,
"P=i" => \$port, "port=i" => \$port,
"H" => \$help, "help" => \$help,
"v" => \$verbose, "verbose" => \$verbose,
"m=s" => \$mode, "mode=s" => \$mode,
"critical=s" => \$critical, "warning=s" => \$warning);
syntax("Help:") if ($help);
syntax("Missing host") unless (defined($host));
syntax("Missing mode") unless (defined($mode));
if ($mode =~ /^iax$/i) {
print "Running in IAX mode\n" if ($verbose);
$runmode = 1;
} elsif ($mode =~ /^mgr$/i) {
print "Running in Manager mode\n" if ($verbose);
$runmode = 2;
} else {
syntax("Unknown mode $mode")
}
##############################################################################
if ($runmode == 2) {
$port = $mgr_port;
syntax("Missing username") unless (defined($username));
syntax("Missing password") unless (defined($password));
if (defined($warning)) {
foreach $s (split(/,/, $warning)) {
syntax("Warning value given, $s, is invalid")
unless ($s =~ /^(\w+)=(\d+)$/);
$warnval{$1} = $2;
print "Clear to give WARNING after $2 connections on $1\n" if ($verbose);
}
}
if (defined($critical)) {
foreach $s (split(/,/, $critical)) {
syntax("Critical value given, $s, is invalid")
unless ($s =~ /^(\w+)=(\d+)$/);
$critval{$1} = $2;
print "Clear to give CRITICAL after $2 connections on $1\n" if ($verbose);
}
}
print "Connecting to $host:$port\n" if ($verbose);
unless ($sock = IO::Socket::INET->new(PeerAddr => $host, PeerPort => $port, Proto => 'tcp')) {
print("Could not connect to asterisk server ".$host.":".$port."\n");
exit(2);
}
print "Connected to $host:$port\n" if ($verbose);
$version = <$sock>;
print $version if ($verbose);
print $sock "Action: Login\r\nUsername: $username\r\nSecret: $password\r\nEvents: off\r\n\r\n";
print "Action: Login\r\nUsername: $username\r\nSecret: $password\r\n\r\n" if ($verbose);
$response = <$sock>;
$message = <$sock>;
$s = <$sock>;
print $response.$message if ($verbose);
print $s if ($verbose);
exit(1) unless ($response =~ m/^Response:\s+(.*)$/i);
exit(1) unless ($1 =~ m/Success/i);
print $sock "Action: Status\r\n\r\n";
print "Action: Status\r\n\r\n" if ($verbose);
$response = <$sock>;
$message = <$sock>;
print $response.$message if ($verbose);
&unknown("Unknown answer $response (wanted Response: something)") unless ($response =~ m/^Response:\s+(.*)$/i);
&unknown("$response didn't say Success") unless ($1 =~ m/Success/i);
&unknown("Unknown answer $response (wanted Message: something)") unless ($message =~ m/^Message:\s+(.*)$/i);
&unknown("didn't understand message $message") unless ($1 =~ m/Channel status will follow/i);
$stop=0;
while (($stop == 0) && ($line = <$sock>)) {
print "$line" if ($verbose);
if ($line =~ m/Channel:\s+(\w+)\//) {
$channels{$1}++;
print "Found $1 channel\n" if ($verbose);
}
if ($line =~ m/Event:\s*StatusComplete/i) {
$stop++;
}
}
# Log out
print $sock "Action: Logoff\r\n\r\n";
undef($s);
foreach $key (keys %channels) {
$s .= " " . $key . " (" . $channels{$key} . ")";
}
foreach $key (keys %critval) {
print "key = $key\n" if ($verbose);
if (defined($channels{$key}) && ($channels{$key} > $critval{$key})) {
$exitcode = 2;
$cause .= $channels{$key} . " $key channels detected. ";
}
}
if ($exitcode < 2) {
foreach $key (keys %warnval) {
print "key = $key\n" if ($verbose);
if (defined($channels{$key}) && ($channels{$key} > $warnval{$key})) {
$exitcode = 1;
$cause .= $channels{$key} . " $key channels detected. ";
}
}
}
if ($exitcode == 0) {
print "OK ";
} elsif ($exitcode == 1) {
print "WARNING ";
} elsif ($exitcode == 2) {
print "CRITICAL ";
} elsif ($exitcode > 2) {
print "UNKNOWN ";
}
if (defined($s)) {
$cause .= " Channels:$s";
} else {
$cause .= " (idle)";
}
print $cause;
print "\n" if ($verbose);
exit($exitcode);
} elsif ($runmode == 1) {
$port = $iax_port;
socket(PING, PF_INET, SOCK_DGRAM, getprotobyname("udp"));
$msg = pack "H24", $iax_src_call . $iax_dst_call . $iax_timestamp .
$iax_outbound_seq . $iax_inbound_seq . $iax_type . $iax_type;
$ipaddr = inet_aton($host);
$sendto = sockaddr_in($port,$ipaddr);
send(PING, $msg, 0, $sendto) == length($msg) or die "cannot send to $host : $port : $!\n";
eval {
local $SIG{ALRM} = sub { die("alarm time out"); };
alarm $iax_timeout;
while (1) {
$recvfrom = recv(PING, $msg, $iax_maxlen, 0) or die "recv: $!";
($port, $ipaddr) = sockaddr_in($recvfrom);
$respaddr = inet_ntoa($ipaddr);
$iax_answer++;
# print "Response from $respaddr : $port\n";
}
};
if ($iax_answer) {
if ($iax_answer == 1) {
$reply = "reply";
} else {
$reply = "replies";
}
&ok("Got $iax_answer $reply");
} else {
&error("Got no reply");
}
}
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