New configuration option "PredefChannelsOnly": if set, make

all JOINs to-non existants channel return ERR_BANNEDFROMCHAN_MSG,
restricting users to those channels defined in the config file.

diff --git a/ChangeLog b/ChangeLog
index 41f3a987311a26b053c61597ab6cfb465b7d44dc..2ca750adfaeb5518880778fd04b3d0a9aefd8844 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -16,6 +16,8 @@ ngIRCd HEAD
   - Changed Numerics 265 and 266 to follow ircd 2.11.x "standards".
   - Allow PASS syntax defined in RFC 1459 for server links, too.
   - Enhanced ISUPPORT message (005 numeric).
+  - New configuration option "PredefChannelsOnly": if set, clients can
+   only join predefined channels.
 
 ngIRCd 0.10.0 (2006-10-01)
 
@@ -668,4 +670,4 @@ ngIRCd 0.0.1, 31.12.2001
 
 
 -- 
-$Id: ChangeLog,v 1.308 2006/10/03 10:59:40 alex Exp $
+$Id: ChangeLog,v 1.309 2006/11/05 13:03:46 fw Exp $

diff --git a/doc/sample-ngircd.conf b/doc/sample-ngircd.conf
index 19c3f43e0c8f6f83dca6c819ffb62e98074b1ede..d5b971596822df52d61262c40669d0003a6d2712 100644 (file)
--- a/doc/sample-ngircd.conf
+++ b/doc/sample-ngircd.conf
@@ -1,4 +1,4 @@
-# $Id: sample-ngircd.conf,v 1.37 2006/04/09 12:27:23 alex Exp $
+# $Id: sample-ngircd.conf,v 1.38 2006/11/05 13:03:47 fw Exp $
 
 #
 # This is a sample configuration file for the ngIRCd, which must be adepted
@@ -93,6 +93,9 @@
        # server? (This is a compatibility hack for ircd-irc2 servers)
        ;OperServerMode = no
 
+       # Allow Pre-Defined Channels only (see Section [Channels])
+       ;PredefChannelsOnly = no
+
        # Maximum number of simultaneous connection the server is allowed
        # to accept (<=0: unlimited):
        ;MaxConnections = -1

diff --git a/src/ngircd/conf.c b/src/ngircd/conf.c
index 34292a52caf35b1bc11f14aab10bdd94e3797510..5e9e72be20aa069d844ae0044758c8a8791a55da 100644 (file)
--- a/src/ngircd/conf.c
+++ b/src/ngircd/conf.c
@@ -14,7 +14,7 @@
 
 #include "portab.h"
 
-static char UNUSED id[] = "$Id: conf.c,v 1.93 2006/10/03 10:59:41 alex Exp $";
+static char UNUSED id[] = "$Id: conf.c,v 1.94 2006/11/05 13:03:48 fw Exp $";
 
 #include "imp.h"
 #include <assert.h>
@@ -146,7 +146,7 @@ Conf_Rehash( void )
        Set_Defaults( false );
        Read_Config( );
        Validate_Config(false, true);
-       
+
        /* Update CLIENT structure of local server */
        Client_SetInfo(Client_ThisServer(), Conf_ServerInfo);
 } /* Config_Rehash */
@@ -202,15 +202,16 @@ Conf_Test( void )
        printf( "  PingTimeout = %d\n", Conf_PingTimeout );
        printf( "  PongTimeout = %d\n", Conf_PongTimeout );
        printf( "  ConnectRetry = %d\n", Conf_ConnectRetry );
-       printf( "  OperCanUseMode = %s\n", Conf_OperCanMode == true? "yes" : "no" );
+       printf( "  OperCanUseMode = %s\n", Conf_OperCanMode == true ? "yes" : "no" );
        printf( "  OperServerMode = %s\n", Conf_OperServerMode == true? "yes" : "no" );
+       printf( "  PredefChannelsOnly = %s\n", Conf_PredefChannelsOnly == true ? "yes" : "no" );
        printf( "  MaxConnections = %ld\n", Conf_MaxConnections>0 ? Conf_MaxConnections : -1);
        printf( "  MaxConnectionsIP = %d\n", Conf_MaxConnectionsIP>0 ? Conf_MaxConnectionsIP : -1);
        printf( "  MaxJoins = %d\n\n", Conf_MaxJoins>0 ? Conf_MaxJoins : -1);
 
        for( i = 0; i < Conf_Oper_Count; i++ ) {
                if( ! Conf_Oper[i].name[0] ) continue;
-               
+
                /* Valid "Operator" section */
                puts( "[OPERATOR]" );
                printf( "  Name = %s\n", Conf_Oper[i].name );
@@ -221,7 +222,7 @@ Conf_Test( void )
 
        for( i = 0; i < MAX_SERVERS; i++ ) {
                if( ! Conf_Server[i].name[0] ) continue;
-               
+
                /* Valid "Server" section */
                puts( "[SERVER]" );
                printf( "  Name = %s\n", Conf_Server[i].name );
@@ -234,7 +235,7 @@ Conf_Test( void )
 
        for( i = 0; i < Conf_Channel_Count; i++ ) {
                if( ! Conf_Channel[i].name[0] ) continue;
-               
+
                /* Valid "Channel" section */
                puts( "[CHANNEL]" );
                printf( "  Name = %s\n", Conf_Channel[i].name );
@@ -243,7 +244,7 @@ Conf_Test( void )
                topic = (char*)array_start(&Conf_Channel[i].topic);
                printf( "  Topic = %s\n\n", topic ? topic : "");
        }
-       
+
        return 0;
 } /* Conf_Test */
 
@@ -271,14 +272,14 @@ Conf_UnsetServer( CONN_ID Idx )
                        Init_Server_Struct( &Conf_Server[i] );
                } else {
                        /* Set time for next connect attempt */
-                       t = time(NULL);
-                       if (Conf_Server[i].lasttry < t - Conf_ConnectRetry) {
-                               /* The connection has been "long", so we don't
-                                * require the next attempt to be delayed. */
-                               Conf_Server[i].lasttry =
-                                       t - Conf_ConnectRetry + RECONNECT_DELAY;
-                       } else
-                               Conf_Server[i].lasttry = t;
+                       t = time(NULL);
+                       if (Conf_Server[i].lasttry < t - Conf_ConnectRetry) {
+                               /* The connection has been "long", so we don't
+                                * require the next attempt to be delayed. */
+                               Conf_Server[i].lasttry =
+                                       t - Conf_ConnectRetry + RECONNECT_DELAY;
+                       } else
+                               Conf_Server[i].lasttry = t;
                }
        }
 } /* Conf_UnsetServer */
@@ -300,9 +301,9 @@ GLOBAL int
 Conf_GetServer( CONN_ID Idx )
 {
        /* Get index of server in configuration structure */
-       
+
        int i = 0;
-       
+
        assert( Idx > NONE );
 
        for( i = 0; i < MAX_SERVERS; i++ ) {
@@ -380,7 +381,7 @@ Conf_AddServer( char *Name, UINT16 Port, char *Host, char *MyPwd, char *PeerPwd
        strlcpy( Conf_Server[i].pwd_in, PeerPwd, sizeof( Conf_Server[i].pwd_in ));
        Conf_Server[i].port = Port;
        Conf_Server[i].flags = CONF_SFLAG_ONCE;
-       
+
        return true;
 } /* Conf_AddServer */
 
@@ -412,7 +413,7 @@ Set_Defaults( bool InitServers )
        strcpy( Conf_ListenAddress, "" );
 
        Conf_UID = Conf_GID = 0;
-       
+
        Conf_PingTimeout = 120;
        Conf_PongTimeout = 20;
 
@@ -422,8 +423,9 @@ Set_Defaults( bool InitServers )
        Conf_Channel_Count = 0;
 
        Conf_OperCanMode = false;
+       Conf_PredefChannelsOnly = false;
        Conf_OperServerMode = false;
-       
+
        Conf_MaxConnections = -1;
        Conf_MaxConnectionsIP = 5;
        Conf_MaxJoins = 10;
@@ -753,6 +755,11 @@ Handle_GLOBAL( int Line, char *Var, char *Arg )
                }
                return;
        }
+       if( strcasecmp( Var, "PredefChannelsOnly" ) == 0 ) {
+               /* Should we only allow pre-defined-channels? (i.e. users cannot create their own channels) */
+               Conf_PredefChannelsOnly = Check_ArgIsTrue( Arg );
+               return;
+       }
        if( strcasecmp( Var, "OperCanUseMode" ) == 0 ) {
                /* Are IRC operators allowed to use MODE in channels they aren't Op in? */
                Conf_OperCanMode = Check_ArgIsTrue( Arg );

diff --git a/src/ngircd/conf.h b/src/ngircd/conf.h
index f2e903f4b3311daba2e0090fad7b13827f55d480..bb9a00b348f6d538c2a7a4fe3a90f8e43246878c 100644 (file)
--- a/src/ngircd/conf.h
+++ b/src/ngircd/conf.h
@@ -8,7 +8,7 @@
  * (at your option) any later version.
  * Please read the file COPYING, README and AUTHORS for more information.
  *
- * $Id: conf.h,v 1.40 2006/05/10 21:24:01 alex Exp $
+ * $Id: conf.h,v 1.41 2006/11/05 13:03:48 fw Exp $
  *
  * Configuration management (header)
  */
@@ -110,6 +110,8 @@ GLOBAL CONF_SERVER Conf_Server[MAX_SERVERS];
 /* Pre-defined channels */
 GLOBAL CONF_CHANNEL Conf_Channel[MAX_DEFCHANNELS];
 GLOBAL unsigned int Conf_Channel_Count;
+/* Pre-defined channels only */
+GLOBAL bool Conf_PredefChannelsOnly;
 
 /* Are IRC operators allowed to always use MODE? */
 GLOBAL bool Conf_OperCanMode;

diff --git a/src/ngircd/irc-channel.c b/src/ngircd/irc-channel.c
index f30df91acdadb984be809d00c3032becdb9a0eb8..5a19628525f972fa5bdea95601ad9002fb599235 100644 (file)
--- a/src/ngircd/irc-channel.c
+++ b/src/ngircd/irc-channel.c
@@ -14,7 +14,7 @@
 
 #include "portab.h"
 
-static char UNUSED id[] = "$Id: irc-channel.c,v 1.37 2006/10/06 21:32:58 fw Exp $";
+static char UNUSED id[] = "$Id: irc-channel.c,v 1.38 2006/11/05 13:03:48 fw Exp $";
 
 #include "imp.h"
 #include <assert.h>
@@ -78,8 +78,17 @@ IRC_JOIN( CLIENT *Client, REQUEST *Req )
                chan = NULL; flags = NULL;
 
                /* wird der Channel neu angelegt? */
-               if( Channel_Search( channame )) is_new_chan = false;
-               else is_new_chan = true;
+               if( Channel_Search( channame )) {
+                       is_new_chan = false;
+               } else {
+                       if (Conf_PredefChannelsOnly) { /* this server does not allow creation of channels */
+                               IRC_WriteStrClient( Client, ERR_BANNEDFROMCHAN_MSG, Client_ID( Client ), channame );
+                               /* Try next name, if any */
+                               channame = strchr(channame, ',');
+                               continue;
+                       }
+                       is_new_chan = true;
+               }
 
                /* Hat ein Server Channel-User-Modes uebergeben? */
                if( Client_Type( Client ) == CLIENT_SERVER )