Check article header integrity in spoolnews.php before spooling.

This commit is contained in:
Retro_Guy 2024-03-01 13:08:21 -07:00
parent f03a6f155c
commit d600e9376f
2 changed files with 68 additions and 9 deletions

View File

@ -2251,11 +2251,20 @@ function send_admin_message($admin, $from, $subject, $message)
return true;
}
function delete_message($messageid, $group, $overview_dbh)
function delete_message($messageid, $group=null, $overview_dbh=null)
{
global $logfile, $config_dir, $spooldir, $CONFIG, $webserver_group;
if($group == null) {
$message = get_data_from_msgid($messageid);
$groups = $message['newsgroup'];
$grouplist = preg_split("/( |\,)/", $groups);
} else {
$grouplist[0] = $group;
}
/* Find section */
$menulist = file($config_dir . "menu.conf", FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
foreach($grouplist as $group) {
foreach ($menulist as $menu) {
if ($menu[0] == '#') {
continue;
@ -2266,13 +2275,12 @@ function delete_message($messageid, $group, $overview_dbh)
$group_name = preg_split("/( |\t)/", $gl, 2);
if (strtolower(trim($group)) == strtolower(trim($group_name[0]))) {
$config_name = $menuitem[0];
echo "\nFOUND: " . $group . " IN: " . $config_name;
// echo "\nFOUND: " . $group . " IN: " . $config_name;
file_put_contents($logfile, "\n" . format_log_date() . " " . $config_name . " FOUND: " . $group . " IN: " . $config_name, FILE_APPEND);
break 2;
}
}
}
if ($CONFIG['article_database'] == '1') {
$database = $spooldir . '/' . $group . '-articles.db3';
if (is_file($database)) {
@ -2285,6 +2293,15 @@ function delete_message($messageid, $group, $overview_dbh)
}
}
// Handle overview and history
if($overview_dbh == null) {
$database = $spooldir . '/articles-overview.db3';
$overview_dbh = overview_db_open($database);
if(!$overview_dbh) {
file_put_contents($logfile, "\n" . format_log_date() . " " . $config_name . " FAILED opening " . $database, FILE_APPEND);
return;
}
$close_ovdb = true;
}
$overview_stmt_del = $overview_dbh->prepare('DELETE FROM overview WHERE newsgroup=:newsgroup AND msgid=:msgid');
$overview_query = $overview_dbh->prepare('SELECT * FROM overview WHERE newsgroup=:newsgroup AND msgid=:msgid');
$overview_query->execute([
@ -2298,7 +2315,7 @@ function delete_message($messageid, $group, $overview_dbh)
$statusnotes = null;
while ($row = $overview_query->fetch()) {
if (isset($row['number'])) {
echo "\nFOUND: " . $messageid . " IN: " . $group;
// echo "\nFOUND: " . $messageid . " IN: " . $group;
file_put_contents($logfile, "\n" . format_log_date() . " " . $config_name . " DELETING: " . $messageid . " IN: " . $group, FILE_APPEND);
}
if (is_file($spooldir . '/articles/' . $grouppath . '/' . $row['number'])) {
@ -2312,9 +2329,46 @@ function delete_message($messageid, $group, $overview_dbh)
':msgid' => $messageid
]);
}
}
if($close_ovdb) {
$overview_dbh = null;
}
return;
}
// This function returns FALSE if article is OK
// Else returns a string with reason for failure
function check_article_integrity($rawmessage) {
global $CONFIG, $logfile;
$returnval = false;
$count_rawmessage = count($rawmessage);
$message = new messageType();
$rawheader = array();
$i = 0;
while ($rawmessage[$i] != "") {
$rawheader[] = $rawmessage[$i];
$i ++;
}
// Parse the Header:
$message->header = parse_header($rawheader);
// Now we know if the message is a mime-multipart message:
$content_type = explode("/", $message->header->content_type[0]);
if ($content_type[0] == "multipart") {
$message->header->content_type = array();
// We have multible bodies, so we split the message into its parts
$boundary = "--" . $message->header->content_type_boundary;
// lets find the first part
while ($rawmessage[$i] != $boundary) {
$i ++;
if($i > $count_rawmessage) {
$returnval = " Skipping malformed message: " . $message->header->id;
return $returnval;
}
}
}
return $returnval;
}
function delete_message_from_overboard($config_name, $group, $messageid)
{
GLOBAL $spooldir;

View File

@ -85,7 +85,7 @@ $sem = $spooldir . "/" . $config_name . ".reload";
if (is_file($sem)) {
unlink($remote_groupfile);
unlink($sem);
$maxfirstrequest = 500;
$maxfirstrequest = 200;
}
# Check for groups file, create if necessary
@ -288,6 +288,7 @@ function get_articles($ns, $group)
$ref = 0;
$sub = 0;
$banned = false;
$integrity = false;
$is_header = 1;
$body = "";
while (strcmp($response, ".") != 0) {
@ -400,11 +401,15 @@ function get_articles($ns, $group)
file_put_contents($articleHandle, $response . "\n", FILE_APPEND);
$lines = $lines - 1;
$bytes = $bytes + ($lines * 2);
// Don't spool article if $banned != 0
if ($banned !== false) {
// Don't spool article if $banned or fails integrity test
$integrity = check_article_integrity(file($articleHandle));
if (($banned !== false) || ($integrity !== false)) {
unlink($articleHandle);
file_put_contents($spamlog, "\n" . format_log_date() . " " . $banned . " :\tSPAM\t" . $mid[1] . "\t" . $groupnames[1] . "\t" . $from[1], FILE_APPEND);
// file_put_contents($logfile, "\n" . format_log_date() . " " . $config_name . " Skipping: " . $CONFIG['remote_server'] . " " . $group . ":" . $article . " banned in " . $banned, FILE_APPEND);
if($integrity) {
file_put_contents($logfile, "\n" . format_log_date() . $integrity, FILE_APPEND);
} elseif ($banned) {
file_put_contents($spamlog, "\n" . format_log_date() . " " . $banned . " :\tSPAM\t" . $mid[1] . "\t" . $groupnames[1] . "\t" . $from[1], FILE_APPEND);
}
$article ++;
} else {
if ((strpos($CONFIG['nocem_groups'], $group) !== false) && ($CONFIG['enable_nocem'] == true)) {