79 lines
3.1 KiB
PHP
79 lines
3.1 KiB
PHP
<?php
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function knotcConfExec($cmds) {
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exec(CONF['dns']['knotc_path'] . " conf-begin", $output['begin'], $code['begin']);
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if ($code['begin'] !== 0)
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serverError("knotcConfExec: <code>knotc</code> failed with exit code <samp>" . $code['begin'] . "</samp>: <samp>" . $output['begin'][0] . "</samp>.");
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foreach ($cmds as $cmd) {
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exec(CONF['dns']['knotc_path'] . " conf-" . $cmd, $output['op'], $code['op']);
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if ($code['op'] !== 0) {
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exec(CONF['dns']['knotc_path'] . " conf-abort");
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serverError("knotcConfExec: <code>knotc</code> failed with exit code <samp>" . $code['op'] . "</samp>: <samp>" . $output['op'][0] . "</samp>.");
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}
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}
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exec(CONF['dns']['knotc_path'] . " conf-commit", $output['commit'], $code['commit']);
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if ($code['commit'] !== 0) {
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exec(CONF['dns']['knotc_path'] . " conf-abort");
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serverError("knotcConfExec: <code>knotc</code> failed with exit code <samp>" . $code['commit'] . "</samp>: <samp>" . $output['commit'][0] . "</samp>.");
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}
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}
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function knotcZoneExec($zone, $cmd) {
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$action = checkAction($_POST['action']);
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exec(CONF['dns']['knotc_path'] . " zone-begin " . $zone, $output['begin'], $code['begin']);
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if ($code['begin'] !== 0)
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serverError("knotcZoneExec: <code>knotc</code> failed with exit code <samp>" . $code['begin'] . "</samp>: <samp>" . $output['begin'][0] . "</samp>.");
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exec(CONF['dns']['knotc_path'] . " zone-" . $action . "set " . $zone . " " . implode(" ", $cmd), $output['op'], $code['op']);
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if ($code['op'] !== 0) {
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exec(CONF['dns']['knotc_path'] . " zone-abort " . $zone);
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serverError("knotcZoneExec: <code>knotc</code> failed with exit code <samp>" . $code['op'] . "</samp>: <samp>" . $output['op'][0] . "</samp>.");
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}
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exec(CONF['dns']['knotc_path'] . " zone-commit " . $zone, $output['commit'], $code['commit']);
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if ($code['commit'] !== 0) {
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exec(CONF['dns']['knotc_path'] . " zone-abort " . $zone);
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serverError("knotcZoneExec: <code>knotc</code> failed with exit code <samp>" . $code['commit'] . "</samp>: <samp>" . $output['commit'][0] . "</samp>.");
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}
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}
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function checkIpFormat($ip) {
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if (!filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE))
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userError("IP address is on the private range.");
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if (!filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_RES_RANGE))
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userError("IP address is on the reserved range.");
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if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4))
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return "A";
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if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6))
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return "AAAA";
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userError("IP address malformed.");
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}
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function checkAbsoluteDomainFormat($domain) {
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// If the domain must end with a dot
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if (!filter_var($domain, FILTER_VALIDATE_DOMAIN) OR !preg_match("/^([a-z0-9_-]{1,63}\.){2,127}$/", $domain))
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userError("Domain malformed.");
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}
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function formatEndWithDot($str) {
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if (!str_ends_with($str, '.'))
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$str .= '.';
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return $str;
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}
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function formatAbsoluteDomain($domain) {
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$domain = formatEndWithDot(strtolower($domain));
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checkAbsoluteDomainFormat($domain);
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return $domain;
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}
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function checkAction($action) {
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return match ($action) {
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'add' => '',
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'delete' => 'un',
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default => userError("Wrong value for action."),
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};
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}
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