function check_field(&$fields, &$field, $checks)
{
if (!isset($checks[5])) {
$checks[5] = $field;
}
list($type, $opt, $flags, $validation, $exception, $caption) = $checks;
if ($flags & P_UNSET_EMPTY && isset($_REQUEST[$field]) && $_REQUEST[$field] == '') {
unset_request($field);
}
$except = !is_null($exception) ? calc_exp($fields, $field, $exception) : false;
if ($except) {
if ($opt == O_MAND) {
$opt = O_NO;
} elseif ($opt == O_OPT) {
$opt = O_MAND;
} elseif ($opt == O_NO) {
$opt = O_MAND;
}
}
if ($opt == O_MAND) {
if (!isset($_REQUEST[$field])) {
info(_s('Field "%1$s" is mandatory.', $caption));
return $flags & P_SYS ? ZBX_VALID_ERROR : ZBX_VALID_WARNING;
}
} elseif ($opt == O_NO) {
if (!isset($_REQUEST[$field])) {
return ZBX_VALID_OK;
}
unset_request($field);
info(_s('Field "%1$s" must be missing.', $caption));
return $flags & P_SYS ? ZBX_VALID_ERROR : ZBX_VALID_WARNING;
} elseif ($opt == O_OPT) {
if (!isset($_REQUEST[$field])) {
return ZBX_VALID_OK;
} elseif ($flags & P_ACT) {
if (!isset($_REQUEST['sid']) || isset($_COOKIE['zbx_sessionid']) && $_REQUEST['sid'] != substr($_COOKIE['zbx_sessionid'], 16, 16)) {
info(_('Operation cannot be performed due to unauthorized request.'));
return ZBX_VALID_ERROR;
}
}
}
if (!($flags & P_NO_TRIM)) {
check_trim($_REQUEST[$field]);
}
$err = check_type($field, $flags, $_REQUEST[$field], $type, $caption);
if ($err != ZBX_VALID_OK) {
return $err;
}
if ((is_null($exception) || $except) && $validation && !calc_exp($fields, $field, $validation)) {
if ($validation == NOT_EMPTY) {
info(_s('Incorrect value for field "%1$s": cannot be empty.', $caption));
} elseif (preg_match('/\\(\\{\\}\\>=([0-9]*)\\&\\&\\{\\}\\<=([0-9]*)\\)\\&\\&/', $validation, $result)) {
info(_s('Incorrect value "%1$s" for "%2$s" field: must be between %3$s and %4$s.', $_REQUEST[$field], $caption, $result[1], $result[2]));
} else {
info(_s('Incorrect value "%1$s" for "%2$s" field.', $_REQUEST[$field], $caption));
}
return $flags & P_SYS ? ZBX_VALID_ERROR : ZBX_VALID_WARNING;
}
return ZBX_VALID_OK;
}
function check_field(&$fields, &$field, $checks)
{
list($type, $opt, $flags, $validation, $exception) = $checks;
if ($flags & P_UNSET_EMPTY && isset($_REQUEST[$field]) && $_REQUEST[$field] == '') {
unset_request($field, 'P_UNSET_EMPTY');
}
//echo "Field: $field<br>";
if ($exception == NULL) {
$except = FALSE;
} else {
$except = calc_exp($fields, $field, $exception);
}
if ($opt == O_MAND && $except) {
$opt = O_NO;
} else {
if ($opt == O_OPT && $except) {
$opt = O_MAND;
} else {
if ($opt == O_NO && $except) {
$opt = O_MAND;
}
}
}
if ($opt == O_MAND) {
if (!isset($_REQUEST[$field])) {
if ($flags & P_SYS) {
info("Critical error. Field [" . $field . "] is mandatory");
return ZBX_VALID_ERROR;
} else {
info("Warning. Field [" . $field . "] is mandatory");
return ZBX_VALID_WARNING;
}
}
} else {
if ($opt == O_NO) {
if (!isset($_REQUEST[$field])) {
return ZBX_VALID_OK;
}
unset_request($field, 'O_NO');
if ($flags & P_SYS) {
info("Critical error. Field [" . $field . "] must be missing");
return ZBX_VALID_ERROR;
} else {
info("Warning. Field [" . $field . "] must be missing");
return ZBX_VALID_WARNING;
}
} else {
if ($opt == O_OPT) {
if (!isset($_REQUEST[$field])) {
return ZBX_VALID_OK;
} else {
if ($flags & P_ACT) {
if (!isset($_REQUEST['sid'])) {
return ZBX_VALID_ERROR;
} else {
if (isset($_COOKIE['zbx_sessionid']) && $_REQUEST['sid'] != substr($_COOKIE['zbx_sessionid'], 16, 16)) {
return ZBX_VALID_ERROR;
}
}
}
}
}
}
}
check_trim($_REQUEST[$field]);
$err = check_type($field, $flags, $_REQUEST[$field], $type);
if ($err != ZBX_VALID_OK) {
return $err;
}
if ($exception == NULL || $except == TRUE) {
if (!$validation) {
$valid = TRUE;
} else {
$valid = calc_exp($fields, $field, $validation);
}
if (!$valid) {
if ($flags & P_SYS) {
info("Critical error. Incorrect value for [" . $field . "] = '" . $_REQUEST[$field] . "'");
return ZBX_VALID_ERROR;
} else {
info("Warning. Incorrect value for [" . $field . "]");
return ZBX_VALID_WARNING;
}
}
}
return ZBX_VALID_OK;
}
function check_field(&$fields, &$field, $checks)
{
if (!isset($checks[5])) {
$checks[5] = $field;
}
list($type, $opt, $flags, $validation, $exception, $caption) = $checks;
if ($flags & P_UNSET_EMPTY && isset($_REQUEST[$field]) && $_REQUEST[$field] == '') {
unset_request($field, 'P_UNSET_EMPTY');
}
//SDI("Field: $field");
if ($exception == NULL) {
$except = FALSE;
} else {
$except = calc_exp($fields, $field, $exception);
}
if ($opt == O_MAND && $except) {
$opt = O_NO;
} else {
if ($opt == O_OPT && $except) {
$opt = O_MAND;
} else {
if ($opt == O_NO && $except) {
$opt = O_MAND;
}
}
}
if ($opt == O_MAND) {
if (!isset($_REQUEST[$field])) {
if ($flags & P_SYS) {
info(S_CRITICAL_ERROR . '.' . SPACE . S_FIELD . SPACE . '[' . $caption . ']' . SPACE . S_IS_MANDATORY_SMALL);
return ZBX_VALID_ERROR;
} else {
info(S_WARNING . '.' . SPACE . S_FIELD . SPACE . '[' . $caption . ']' . SPACE . S_IS_MANDATORY_SMALL);
return ZBX_VALID_WARNING;
}
}
} else {
if ($opt == O_NO) {
if (!isset($_REQUEST[$field])) {
return ZBX_VALID_OK;
}
unset_request($field, 'O_NO');
if ($flags & P_SYS) {
info(S_CRITICAL_ERROR . '.' . SPACE . S_FIELD . SPACE . '[' . $caption . ']' . SPACE . S_MUST_BE_MISSING_SMALL);
return ZBX_VALID_ERROR;
} else {
info(S_WARNING . '.' . SPACE . S_FIELD . SPACE . '[' . $caption . ']' . SPACE . S_MUST_BE_MISSING_SMALL);
return ZBX_VALID_WARNING;
}
} else {
if ($opt == O_OPT) {
if (!isset($_REQUEST[$field])) {
return ZBX_VALID_OK;
} else {
if ($flags & P_ACT) {
if (!isset($_REQUEST['sid'])) {
info(S_OPERATION_CANNOT_PERFORMED_UNAUTH_REQUEST);
return ZBX_VALID_ERROR;
} else {
if (isset($_COOKIE['zbx_sessionid']) && $_REQUEST['sid'] != substr($_COOKIE['zbx_sessionid'], 16, 16)) {
info(S_OPERATION_CANNOT_PERFORMED_UNAUTH_REQUEST);
return ZBX_VALID_ERROR;
}
}
}
}
}
}
}
check_trim($_REQUEST[$field]);
$err = check_type($field, $flags, $_REQUEST[$field], $type);
if ($err != ZBX_VALID_OK) {
return $err;
}
//sdi($field. '| exception ='.$exception.' | except ='.$except.' | validation= '.$validation);
if (is_null($exception) || $except == true) {
if (!$validation) {
$valid = TRUE;
} else {
$valid = calc_exp($fields, $field, $validation);
}
if (!$valid) {
if ($flags & P_SYS) {
info(S_CRITICAL_ERROR . '.' . SPACE . S_INCORRECT_VALUE_FOR . SPACE . '[' . $caption . '] = "' . $_REQUEST[$field] . '"');
return ZBX_VALID_ERROR;
} else {
info(S_WARNING . '.' . SPACE . S_INCORRECT_VALUE_FOR . SPACE . '[' . $caption . ']');
return ZBX_VALID_WARNING;
}
}
}
return ZBX_VALID_OK;
}
