[svn] Apply ratbox flood fix.

[irc/rqf/shadowircd.git] / src / listener.c

diff --git a/src/listener.c b/src/listener.c
index 7ed9a695c836e62d8ecab7c7d914e04047d95071..7b92a6cab236a63f7d00d8de624fca957b5c6fac 100644 (file)
--- a/src/listener.c
+++ b/src/listener.c
@@ -21,7 +21,7 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
  *  USA
  *
- *  $Id: listener.c 1675 2006-06-15 22:32:23Z jilles $
+ *  $Id: listener.c 3446 2007-05-14 22:21:16Z jilles $
  */
 
 #include "stdinc.h"
@@ -194,7 +194,11 @@ inetport(listener_t *listener)
                }       
        }
 
-
+       /*
+        * At one point, we enforced a strange arbitrary limit here.
+        * We no longer do this, and just check if the fd is valid or not.
+        *    -nenolod
+        */
        if(fd == -1)
        {
                report_error("opening listener socket %s:%s",
@@ -202,14 +206,7 @@ inetport(listener_t *listener)
                             get_listener_name(listener), errno);
                return 0;
        }
-       else if((HARD_FDLIMIT - 10) < fd)
-       {
-               report_error("no more connections left for listener %s:%s",
-                            get_listener_name(listener), 
-                            get_listener_name(listener), errno);
-               comm_close(fd);
-               return 0;
-       }
+
        /*
         * XXX - we don't want to do all this crap for a listener
         * set_sock_opts(listener);
@@ -480,6 +477,9 @@ add_connection(listener_t *listener, int fd, struct sockaddr *sai)
 
        if(check_reject(new_client))
                return; 
+       if(add_unknown_ip(new_client))
+               return;
+
        start_auth(new_client);
 }
 
@@ -488,14 +488,13 @@ static void
 accept_connection(int pfd, void *data)
 {
        static time_t last_oper_notice = 0;
-
        struct irc_sockaddr_storage sai;
        socklen_t addrlen = sizeof(sai);
        int fd;
        listener_t *listener = data;
-    struct ConfItem *aconf;
-    char buf[BUFSIZE];
-    
+       struct ConfItem *aconf;
+       char buf[BUFSIZE];
+
        s_assert(listener != NULL);
        if(listener == NULL)
                return;
@@ -525,8 +524,9 @@ accept_connection(int pfd, void *data)
 
        /*
         * check for connection limit
+        * TBD: this is stupid... either we have a socket or we don't. -nenolod
         */
-       if((MAXCONNECTIONS - 10) < fd)
+       if((comm_get_maxconnections() - 10) < fd)
        {
                ++ServerStats->is_ref;
                /*
@@ -554,19 +554,19 @@ accept_connection(int pfd, void *data)
        {
                ServerStats->is_ref++;
 
-        if(ConfigFileEntry.dline_with_reason)
-        {
-            if (ircsnprintf(buf, sizeof(buf), "ERROR :*** Banned: %s\r\n", aconf->passwd) >= (sizeof(buf)-1))
-            {
-                buf[sizeof(buf) - 3] = '\r';
-                buf[sizeof(buf) - 2] = '\n';
-                buf[sizeof(buf) - 1] = '\0';
-            }
-        }
-        else
-           ircsprintf(buf, "ERROR :You have been D-lined.\r\n");
+               if(ConfigFileEntry.dline_with_reason)
+               {
+                       if (ircsnprintf(buf, sizeof(buf), "ERROR :*** Banned: %s\r\n", aconf->passwd) >= (sizeof(buf)-1))
+                       {
+                               buf[sizeof(buf) - 3] = '\r';
+                               buf[sizeof(buf) - 2] = '\n';
+                               buf[sizeof(buf) - 1] = '\0';
+                       }
+               }
+               else
+                       ircsprintf(buf, "ERROR :You have been D-lined.\r\n");
         
-        write(fd, buf, strlen(buf));
+               write(fd, buf, strlen(buf));
                comm_close(fd);
 
                /* Re-register a new IO request for the next accept .. */