This file is indexed.

/usr/bin/skymon is in mon 1.2.0-4.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

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#!/usr/bin/perl
#
# handle mon commands send via a 2-way pager
#
# see /usr/doc/mon/README.skymon for information
#
# skytel pager email address should be supplied as first argument
#
# Jim Trocki, trockij@arctic.org
#
# $Id: skymon,v 1.2 2005/04/17 07:42:26 trockij Exp $
#
#    Copyright (C) 1998, Jim Trocki
#
#    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
#
$PASS = "";
$BUF  = "\n";
$MONHOST = "monhost";

$ADDR = shift;
die "no address specified\n" if ($ADDR eq "");

#
# load command permissions
#
&load_allow() || die "could not load allow file:$!\n";

$p = 0;

while (<>) {
    if (/^\/(\w+):(.*)/) {
    	$password = $1;
	$cmd = $2;

	&check_password ($password) || die "pass\n";

	foreach $c (split (/;/, $cmd)) {
	    if ($BUF ne "\n" && $p) {
		$BUF .= "----\n";
	    }
	    &parse_cmd ($c);
	    $p = 1;
	}
    }
}

close (OUT);

&mail_cmd() if ($BUF ne "\n");

exit;



#
# check password
#
sub check_password {
    my ($pass) = @_;
    my ($salt);

    &load_password() || return 0;
    print "$pass [$PASS]\n";

    $salt = substr ($PASS, 0, 2);
    if (crypt ($pass, $salt) ne $PASS) {
	return 0;
    }

    return 1;
}

sub load_allow {
    my ($l);

    open (P, "$ENV{HOME}/.skytel/allow") || return 0;
    while (<P>) {
    	next if /^\s*$/;
	next if /^\s*#/;
	$l = $_;
	chomp $l;

	$allow{$l} = 1;
    }
    close (P);
}


sub load_password {
    open (P, "$ENV{HOME}/.skytel/password") || return 0;
    $PASS = <P>;
    close (P);
    chomp $PASS;
    return 1;
}


sub load_address {
    open (P, "$ENV{HOME}/.skytel/address") || return 0;
    $ADDR = <P>;
    close (P);
    chomp $ADDR;
    return 1;
}


sub parse_cmd {
    my ($cmd) = @_;
    my ($c, @args);

    ($c, @args) = split (/\s+/, $cmd);

    #
    # list
    #
    if ($c eq "lf" && $allow{"lf"}) {
	&do_list (@args);
    } elsif ($c eq "ld" && $allow{"ld"}) {
    	&do_list_disabled(@args);

    #
    # disable
    #
    } elsif ($c eq "dh" && $allow{"dh"}) {
    	&do_command ("/usr/local/bin/moncmd -s $MONHOST disable host @args");
    } elsif ($c eq "dw" && $allow{"dw"}) {
    	&do_command ("/usr/local/bin/moncmd -s $MONHOST disable watch @args");
    } elsif ($c eq "ds" && $allow{"ds"}) {
    	&do_command ("/usr/local/bin/moncmd -s $MONHOST disable service @args");

    #
    # enable
    #
    } elsif ($c eq "eh" && $allow{"eh"}) {
    	&do_command ("/usr/local/bin/moncmd -s $MONHOST enable host @args");
    } elsif ($c eq "ew" && $allow{"ew"}) {
    	&do_command ("/usr/local/bin/moncmd -s $MONHOST enable watch @args");
    } elsif ($c eq "es" && $allow{"es"}) {
    	&do_command ("/usr/local/bin/moncmd -s $MONHOST enable service @args");

    #
    # ack (not yet implemented)
    #
    } elsif ($c eq "a" && $allow{"a"}) {
    }
}



#
# list failures
#
sub do_list {
    my (@args) = @_;
    my ($g, $s, $o, $l, $p);

    open (IN, "/usr/local/bin/moncmd -s monhost list failures|") ||
    	return;
    $p = 0;
    while (<IN>) {
    	last if (/220.*completed/);
	$l = $_;
	chomp $l;
	($g, $s, $o) = ($l =~ (/^(\S+)\s+(\S+)\s+\d+\s+\d+\s+failed\s+(.*)/));
	$BUF .= "\n" if ($p);
	$BUF .= "$g/$s:$o\n";
	$p = 1;
    }
    close (IN);
}



#
# list disabled
#
sub do_list_disabled {
    my (@args) = @_;

    open (IN, "/usr/local/bin/moncmd -s $MONHOST list disabled|") ||
    	return;
    $p = 0;
    while (<IN>) {
    	last if (/220.*completed/);
	$l = $_;
	chomp $l;
	$BUF .= "\n" if ($p);
	$BUF .= "$l\n";
	$p = 1;
    }
    close (IN);
}


#
# do_command
#
sub do_command {
    my ($cmd) = @_;
    my ($p);

    open (C, "$cmd|") ||
    	return;

    $p = 0;
    while (<C>) {
	$BUF .= "\n" if ($p);
    	$BUF .= $_;
	$p = 1;
    }

    close (C);
}


#
# mail the buffer back to the pager
#
sub mail_cmd {
#    &load_address() || die "could not load address\n";
#    print "$BUF";

    open (MAIL, "| /usr/lib/sendmail -oi -t") ||
	die "could not open pipe to mail: $!\n";
print MAIL <<EOF;
To: $ADDR
Subject: mon

$BUF
EOF
    close (MAIL);
}