function update_config($configs)
{
$update = array();
if (isset($configs['work_period'])) {
$timePeriodValidator = new CTimePeriodValidator();
if (!$timePeriodValidator->validate($configs['work_period'])) {
error(_('Incorrect working time.'));
return false;
}
}
if (isset($configs['alert_usrgrpid'])) {
if ($configs['alert_usrgrpid'] != 0 && !DBfetch(DBselect('SELECT u.usrgrpid FROM usrgrp u WHERE u.usrgrpid=' . zbx_dbstr($configs['alert_usrgrpid'])))) {
error(_('Incorrect user group.'));
return false;
}
}
if (isset($configs['discovery_groupid'])) {
$groupid = API::HostGroup()->get(array('groupids' => $configs['discovery_groupid'], 'output' => array('groupid'), 'preservekeys' => true));
if (empty($groupid)) {
error(_('Incorrect host group.'));
return false;
}
}
// checking color values to be correct hexadecimal numbers
$colors = array('severity_color_0', 'severity_color_1', 'severity_color_2', 'severity_color_3', 'severity_color_4', 'severity_color_5', 'problem_unack_color', 'problem_ack_color', 'ok_unack_color', 'ok_ack_color');
$colorvalidator = new CColorValidator();
foreach ($colors as $color) {
if (isset($configs[$color]) && !is_null($configs[$color])) {
if (!$colorvalidator->validate($configs[$color])) {
error($colorvalidator->getError());
return false;
}
}
}
if (isset($configs['ok_period']) && !is_null($configs['ok_period']) && !ctype_digit($configs['ok_period'])) {
error(_('"Display OK triggers" needs to be "0" or a positive integer.'));
return false;
}
if (isset($configs['blink_period']) && !is_null($configs['blink_period']) && !ctype_digit($configs['blink_period'])) {
error(_('"Triggers blink on status change" needs to be "0" or a positive integer.'));
return false;
}
$currentConfig = select_config();
// check duplicate severity names and if name is empty.
$names = array();
for ($i = 0; $i < TRIGGER_SEVERITY_COUNT; $i++) {
$varName = 'severity_name_' . $i;
if (!isset($configs[$varName]) || is_null($configs[$varName])) {
$configs[$varName] = $currentConfig[$varName];
}
if ($configs[$varName] == '') {
error(_('Severity name cannot be empty.'));
return false;
}
if (isset($names[$configs[$varName]])) {
error(_s('Duplicate severity name "%s".', $configs[$varName]));
return false;
} else {
$names[$configs[$varName]] = 1;
}
}
foreach ($configs as $key => $value) {
if (!is_null($value)) {
if ($key == 'alert_usrgrpid') {
$update[] = $key . '=' . ($value == '0' ? 'NULL' : $value);
} else {
$update[] = $key . '=' . zbx_dbstr($value);
}
}
}
if (count($update) == 0) {
error(_('Nothing to do.'));
return null;
}
return DBexecute('UPDATE config' . ' SET ' . implode(',', $update) . whereDbNode('configid', false));
}
/**
* Validate periods array for bar reports - time since, time till and color.
* Automatically set caption if none is set.
*
* @param array $periods
*
* @return mixed valid periods array on success or false on failure
*/
function validateBarReportPeriods($periods = array())
{
if (!isset($periods) || !$periods) {
return false;
}
$fields = array('report_timesince', 'report_timetill', 'color');
$colorValidator = new CColorValidator();
foreach ($periods as &$period) {
foreach ($fields as $field) {
if (!isset($period[$field]) || !$period[$field]) {
show_error_message(_s('Missing "%1$s" field for period.', $field));
return false;
}
}
if (!$colorValidator->validate($period['color'])) {
show_error_message($colorValidator->getError());
return false;
}
if (!validateUnixTime($period['report_timesince'])) {
show_error_message(_s('Invalid period for field "%1$s".', 'report_timesince'));
return false;
}
if (!validateUnixTime($period['report_timetill'])) {
show_error_message(_s('Invalid period for field "%1$s".', 'report_timetill'));
return false;
}
if (!isset($period['caption']) || zbx_empty($period['caption'])) {
$period['caption'] = zbx_date2str(REPORTS_BAR_REPORT_DATE_FORMAT, $period['report_timesince']) . ' - ' . zbx_date2str(REPORTS_BAR_REPORT_DATE_FORMAT, $period['report_timetill']);
}
}
unset($period);
return $periods;
}
protected function validateUpdateLinkTriggers(array $linkTriggers)
{
$linkTriggerDbFields = array('linktriggerid' => null);
$colorValidator = new CColorValidator();
foreach ($linkTriggers as $linkTrigger) {
if (!check_db_fields($linkTriggerDbFields, $linkTrigger)) {
self::exception(ZBX_API_ERROR_PARAMETERS, _('Wrong fields for linktrigger update.'));
}
if (isset($linkTrigger['color']) && !$colorValidator->validate($linkTrigger['color'])) {
self::exception(ZBX_API_ERROR_PARAMETERS, $colorValidator->getError());
}
}
}
function check_type(&$field, $flags, &$var, $type, $caption = null)
{
if ($caption === null) {
$caption = $field;
}
if (is_array($var) && $type != T_ZBX_IP) {
$err = ZBX_VALID_OK;
foreach ($var as $v) {
$err |= check_type($field, $flags, $v, $type);
}
return $err;
}
$error = false;
$message = '';
if ($type == T_ZBX_IP) {
if (!validate_ip($var, $arr)) {
$error = true;
$message = _s('Field "%1$s" is not IP.', $caption);
}
} elseif ($type == T_ZBX_IP_RANGE) {
if (!validate_ip_range($var)) {
$error = true;
$message = _s('Field "%1$s" is not IP range.', $caption);
}
} elseif ($type == T_ZBX_INT_RANGE) {
if (!is_int_range($var)) {
$error = true;
$message = _s('Field "%1$s" is not integer list or range.', $caption);
}
} elseif ($type == T_ZBX_INT) {
if (!zbx_is_int($var)) {
$error = true;
$message = _s('Field "%1$s" is not integer.', $caption);
}
} elseif ($type == T_ZBX_DBL) {
$decimalValidator = new CDecimalValidator(array('maxPrecision' => 16, 'maxScale' => 4, 'messageInvalid' => _('Value "%2$s" of "%1$s" has incorrect decimal format.'), 'messagePrecision' => _('Value "%2$s" of "%1$s" is too long: it cannot have more than %3$s digits before the decimal point ' . 'and more than %4$s digits after the decimal point.'), 'messageNatural' => _('Value "%2$s" of "%1$s" has too many digits before the decimal point: ' . 'it cannot have more than %3$s digits.'), 'messageScale' => _('Value "%2$s" of "%1$s" has too many digits after the decimal point: ' . 'it cannot have more than %3$s digits.')));
$decimalValidator->setObjectName($caption);
if (!$decimalValidator->validate($var)) {
$error = true;
$message = $decimalValidator->getError();
}
} elseif ($type == T_ZBX_DBL_BIG) {
$decimalValidator = new CDecimalValidator(array('maxScale' => 4, 'messageInvalid' => _('Value "%2$s" of "%1$s" has incorrect decimal format.'), 'messageScale' => _('Value "%2$s" of "%1$s" has too many digits after the decimal point: ' . 'it cannot have more than %3$s digits.')));
$decimalValidator->setObjectName($caption);
if (!$decimalValidator->validate($var)) {
$error = true;
$message = $decimalValidator->getError();
}
} elseif ($type == T_ZBX_DBL_STR) {
$decimalStringValidator = new CDecimalStringValidator(array('messageInvalid' => _('Value "%2$s" of "%1$s" has incorrect decimal format.')));
$decimalStringValidator->setObjectName($caption);
if (!$decimalStringValidator->validate($var)) {
$error = true;
$message = $decimalStringValidator->getError();
}
} elseif ($type == T_ZBX_STR) {
if (!is_string($var)) {
$error = true;
$message = _s('Field "%1$s" is not string.', $caption);
}
} elseif ($type == T_ZBX_CLR) {
$colorValidator = new CColorValidator();
if (!$colorValidator->validate($var)) {
$var = 'FFFFFF';
$error = true;
$message = _s('Colour "%1$s" is not correct: expecting hexadecimal colour code (6 symbols).', $caption);
}
}
if ($error) {
if ($flags & P_SYS) {
error($message);
return ZBX_VALID_ERROR;
} else {
info($message);
return ZBX_VALID_WARNING;
}
}
return ZBX_VALID_OK;
}
/**
* Validate graph general data on Update method.
* When updating graph check to what host graph belongs to and trow an error if new items added from other hosts.
* Includes Y axis validation and if graph already exists somewhere in DB.
*
* @param array $graphs
* @param array $dbGraphs
*/
protected function validateUpdate(array $graphs, array $dbGraphs)
{
$colorValidator = new CColorValidator();
foreach ($graphs as $graph) {
// check for "templateid", because it is not allowed
if (array_key_exists('templateid', $graph)) {
self::exception(ZBX_API_ERROR_PARAMETERS, _s($this->getErrorMsg(self::ERROR_TEMPLATED_ID), $graph['name']));
}
$templatedGraph = false;
if (isset($graph['gitems'])) {
// first item determines to which host graph belongs to
$gitem = array_shift($dbGraphs[$graph['graphid']]['gitems']);
$graphHosts = API::Host()->get(array('itemids' => $gitem['itemid'], 'output' => array('hostid', 'status'), 'editable' => true, 'templated_hosts' => true));
$host = array_shift($graphHosts);
// if the current graph is templated and new items to be added
if (HOST_STATUS_TEMPLATE == $host['status']) {
$templatedGraph = $host['hostid'];
$itemIds = array();
foreach ($graph['gitems'] as $gitem) {
if (!isset($gitem['gitemid']) && isset($gitem['itemid'])) {
$itemIds[] = $gitem['itemid'];
}
}
if ($itemIds) {
$itemHosts = API::Host()->get(array('itemids' => $itemIds, 'output' => array('hostid'), 'editable' => true, 'templated_hosts' => true));
// only one host is allowed and it has to be the current. other templated hosts are allowed
$itemHosts = array_unique(zbx_objectValues($itemHosts, 'hostid'));
if (count($itemHosts) > 1 || !in_array($host['hostid'], $itemHosts)) {
self::exception(ZBX_API_ERROR_PARAMETERS, _s($this->getErrorMsg(self::ERROR_TEMPLATE_HOST_MIX), $graph['name']));
}
}
}
// items fields
foreach ($graph['gitems'] as $gitem) {
// check color
if (isset($gitem['color']) && !$colorValidator->validate($gitem['color'])) {
self::exception(ZBX_API_ERROR_PARAMETERS, $colorValidator->getError());
}
}
}
// check ymin, ymax items
$this->checkAxisItems($graph, $templatedGraph);
}
$this->validateHostsAndTemplates($graphs);
}
function check_type(&$field, $flags, &$var, $type, $caption = null)
{
if (is_null($caption)) {
$caption = $field;
}
if (is_array($var) && $type != T_ZBX_IP) {
$err = ZBX_VALID_OK;
foreach ($var as $v) {
$err |= check_type($field, $flags, $v, $type);
}
return $err;
}
if ($type == T_ZBX_IP) {
if (!validate_ip($var, $arr)) {
info(_s('Field "%1$s" is not IP.', $caption));
return $flags & P_SYS ? ZBX_VALID_ERROR : ZBX_VALID_WARNING;
}
return ZBX_VALID_OK;
}
if ($type == T_ZBX_IP_RANGE) {
if (!validate_ip_range($var)) {
info(_s('Field "%1$s" is not IP range.', $caption));
return $flags & P_SYS ? ZBX_VALID_ERROR : ZBX_VALID_WARNING;
}
return ZBX_VALID_OK;
}
if ($type == T_ZBX_INT_RANGE) {
if (!is_int_range($var)) {
info(_s('Field "%1$s" is not integer list or range.', $caption));
return $flags & P_SYS ? ZBX_VALID_ERROR : ZBX_VALID_WARNING;
}
return ZBX_VALID_OK;
}
if ($type == T_ZBX_INT && !zbx_is_int($var)) {
info(_s('Field "%1$s" is not integer.', $caption));
return $flags & P_SYS ? ZBX_VALID_ERROR : ZBX_VALID_WARNING;
}
if ($type == T_ZBX_DBL && !is_numeric($var)) {
info(_s('Field "%1$s" is not decimal number.', $caption));
return $flags & P_SYS ? ZBX_VALID_ERROR : ZBX_VALID_WARNING;
}
if ($type == T_ZBX_STR && !is_string($var)) {
info(_s('Field "%1$s" is not string.', $caption));
return $flags & P_SYS ? ZBX_VALID_ERROR : ZBX_VALID_WARNING;
}
if ($type == T_ZBX_CLR) {
$colorValidator = new CColorValidator();
if (!$colorValidator->validate($var)) {
$var = 'FFFFFF';
info(_s('Colour "%1$s" is not correct: expecting hexadecimal colour code (6 symbols).', $caption));
return $flags & P_SYS ? ZBX_VALID_ERROR : ZBX_VALID_WARNING;
}
}
return ZBX_VALID_OK;
}