foreach ($bins as $bin) {
if (!is_file($config[$bin])) {
print_fail("{$bin} location is incorrect or bin not installed");
}
}
$disabled_functions = explode(',', ini_get('disable_functions'));
$required_functions = array('exec', 'passthru', 'shell_exec', 'escapeshellarg', 'escapeshellcmd', 'proc_close', 'proc_open', 'popen');
foreach ($required_functions as $function) {
if (in_array($function, $disabled_functions)) {
print_fail("{$function} is disabled in php.ini");
}
}
if (!function_exists('openssl_random_pseudo_bytes')) {
print_warn("openssl_random_pseudo_bytes is not being used for user password hashing. This is a recommended function (https://secure.php.net/openssl_random_pseudo_bytes)");
if (!is_readable('/dev/urandom')) {
print_warn("It also looks like we can't use /dev/urandom for user password hashing. We will fall back to generating our own hash - be warned");
}
}
// Modules test
$modules = explode(',', $options['m']);
foreach ($modules as $module) {
switch ($module) {
case 'mail':
if ($config['alert']['transports']['mail'] === true) {
$run_test = 1;
if (empty($config['alert']['default_mail'])) {
print_fail('default_mail config option needs to be specified to test email');
$run_test = 0;
} else {
if ($config['email_backend'] == 'sendmail') {
if (empty($config['email_sendmail_path'])) {
if (!$config['rrdcached']) {
$rrd_dir = stat($config['rrd_dir']);
if ($rrd_dir[4] == 0 || $rrd_dir[5] == 0) {
print_warn('Your RRD directory is owned by root, please consider changing over to user a non-root user');
}
if (substr(sprintf('%o', fileperms($config['rrd_dir'])), -3) != 775) {
print_warn('Your RRD directory is not set to 0775, please check our installation instructions');
}
}
// Disk space and permission checks
if (substr(sprintf('%o', fileperms($config['temp_dir'])), -3) != 777) {
print_warn('Your tmp directory (' . $config['temp_dir'] . ") is not set to 777 so graphs most likely won't be generated");
}
$space_check = disk_free_space($config['install_dir']) / 1024 / 1024;
if ($space_check < 512 && $space_check > 1) {
print_warn('Disk space where ' . $config['install_dir'] . ' is located is less than 512Mb');
}
if ($space_check < 1) {
print_fail('Disk space where ' . $config['install_dir'] . ' is located is empty!!!');
}
// Check programs
$bins = array('fping');
foreach ($bins as $bin) {
if (!is_file($config[$bin])) {
print_fail("{$bin} location is incorrect or bin not installed");
} else {
print_ok("{$bin} has been found");
}
}
// Modules test
$modules = explode(',', $options['m']);
print_warn("Some devices have not been polled in the last 5 minutes, check your poll log");
}
if (dbFetchCell('SELECT COUNT(`device_id`) FROM `devices` WHERE last_polled_timetaken > 300 AND `ignore` = 0 AND `disabled` = 0 AND `status` = 1') > 0) {
print_fail("Some devices have not completed their polling run in 5 minutes, this will create gaps in data.\n Check your poll log and refer to http://docs.librenms.org/Support/Performance/");
}
if ($versions['local_branch'] != 'master') {
print_warn("Your local git branch is not master, this will prevent automatic updates.");
}
// check for modified files
$modifiedcmd = 'git diff --name-only --exit-code';
if ($username === 'root') {
$modifiedcmd = 'su ' . $config['user'] . ' -c "' . $modifiedcmd . '"';
}
exec($modifiedcmd, $cmdoutput, $code);
if ($code !== 0 && !empty($cmdoutput)) {
print_warn("Your local git contains modified files, this could prevent automatic updates.\nModified files:");
echo ' ' . implode("\n ", $cmdoutput) . "\n";
}
// Modules test
$modules = explode(',', $options['m']);
foreach ($modules as $module) {
switch ($module) {
case 'mail':
if ($config['alert']['transports']['mail'] === true) {
$run_test = 1;
if (empty($config['alert']['default_mail'])) {
print_fail('default_mail config option needs to be specified to test email');
$run_test = 0;
} elseif ($config['email_backend'] == 'sendmail') {
if (empty($config['email_sendmail_path'])) {
print_fail("You have selected sendmail but not configured email_sendmail_path");
if (!$config['rrdcached']) {
$rrd_dir = stat($config['rrd_dir']);
if ($rrd_dir[4] == 0 || $rrd_dir[5] == 0) {
print_warn("Your RRD directory is owned by root, please consider changing over to user a non-root user");
}
if (substr(sprintf('%o', fileperms($config['rrd_dir'])), -3) != 775) {
print_warn("Your RRD directory is not set to 0775, please check our installation instructions");
}
}
// Disk space and permission checks
if (substr(sprintf('%o', fileperms($config['temp_dir'])), -3) != 777) {
print_warn("Your tmp directory (" . $config['temp_dir'] . ") is not set to 777 so graphs most likely won't be generated");
}
$space_check = disk_free_space($config['install_dir']) / 1024 / 1024;
if ($space_check < 512 && $space_check > 1) {
print_warn("Disk space where " . $config['install_dir'] . " is located is less than 512Mb");
}
if ($space_check < 1) {
print_fail("Disk space where " . $config['install_dir'] . " is located is empty!!!");
}
// Check programs
$bins = array('fping');
foreach ($bins as $bin) {
if (!is_file($config[$bin])) {
print_fail("{$bin} location is incorrect or bin not installed");
} else {
print_ok("{$bin} has been found");
}
}
// Modules test
$modules = explode(",", $options['m']);
