From 040f5422f2c8262ab19832f1e9d0e269afad8ec1 Mon Sep 17 00:00:00 2001
From: Alexander Barton <alex@barton.de>
Date: Tue, 21 May 2002 00:10:16 +0000
Subject: [PATCH] - persistente und vordefinierte Channels implementiert.

---
 src/ngircd/channel.c     | 43 ++++++++++++++++++++++++++--
 src/ngircd/conf.c        | 60 ++++++++++++++++++++++++++++++++++++++--
 src/ngircd/conf.h        | 13 ++++++++-
 src/ngircd/defines.h     |  6 ++--
 src/ngircd/irc-channel.c |  5 +++-
 src/ngircd/irc-mode.c    |  6 +++-
 6 files changed, 123 insertions(+), 10 deletions(-)

diff --git a/src/ngircd/channel.c b/src/ngircd/channel.c
index 31e568ca..c4231dc9 100644
--- a/src/ngircd/channel.c
+++ b/src/ngircd/channel.c
@@ -9,7 +9,7 @@
  * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
  * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
  *
- * $Id: channel.c,v 1.21 2002/04/23 19:51:31 alex Exp $
+ * $Id: channel.c,v 1.22 2002/05/21 00:10:16 alex Exp $
  *
  * channel.c: Management der Channels
  */
@@ -26,6 +26,7 @@
 #include <string.h>
 
 #include "client.h"
+#include "conf.h"
 #include "hash.h"
 #include "irc-write.h"
 #include "log.h"
@@ -50,8 +51,41 @@ LOCAL BOOLEAN Delete_Channel( CHANNEL *Chan );
 
 GLOBAL VOID Channel_Init( VOID )
 {
+	CHANNEL *chan;
+	CHAR *c;
+	INT i;
+	
 	My_Channels = NULL;
 	My_Cl2Chan = NULL;
+
+	/* Vordefinierte persistente Channels erzeugen */
+	for( i = 0; i < Conf_Channel_Count; i++ )
+	{
+		/* Ist ein Name konfiguriert? */
+		if( ! Conf_Channel[i].name ) continue;
+
+		/* Gueltiger Channel-Name? */
+		if( ! Channel_IsValidName( Conf_Channel[i].name ))
+		{
+			Log( LOG_ERR, "Can't create pre-defined channel: invalid name: \"%s\"!", Conf_Channel[i].name );
+			continue;
+		}
+		
+		/* Channel anlegen */
+		chan = New_Chan( Conf_Channel[i].name );
+		if( chan )
+		{
+			/* Verketten */
+			chan->next = My_Channels;
+			My_Channels = chan;
+			Channel_ModeAdd( chan, 'P' );
+			Channel_SetTopic( chan, Conf_Channel[i].topic );
+			c = Conf_Channel[i].modes;
+			while( *c ) Channel_ModeAdd( chan, *c++ );
+			Log( LOG_INFO, "Created pre-defined channel \"%s\".", Conf_Channel[i].name );
+		}
+		else Log( LOG_ERR, "Can't create pre-defined channel \"%s\"!", Conf_Channel[i].name );
+	}
 } /* Channel_Init */
 
 
@@ -585,8 +619,11 @@ LOCAL BOOLEAN Remove_Client( CHANNEL *Chan, CLIENT *Client, CLIENT *Origin, CHAR
 
 	Log( LOG_DEBUG, "User \"%s\" left channel \"%s\" (%s).", Client_Mask( Client ), c->name, Reason );
 
-	/* Wenn Channel nun leer: loeschen */
-	if( ! Get_First_Cl2Chan( NULL, Chan )) Delete_Channel( Chan );
+	/* Wenn Channel nun leer und nicht pre-defined: loeschen */
+	if( ! strchr( Channel_Modes( Chan ), 'P' ))
+	{
+		if( ! Get_First_Cl2Chan( NULL, Chan )) Delete_Channel( Chan );
+	}
 		
 	return TRUE;
 } /* Remove_Client */
diff --git a/src/ngircd/conf.c b/src/ngircd/conf.c
index f558d1a5..73d1cf49 100644
--- a/src/ngircd/conf.c
+++ b/src/ngircd/conf.c
@@ -9,7 +9,7 @@
  * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
  * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
  *
- * $Id: conf.c,v 1.23 2002/03/30 13:08:10 alex Exp $
+ * $Id: conf.c,v 1.24 2002/05/21 00:10:16 alex Exp $
  *
  * conf.h: Konfiguration des ngircd
  */
@@ -46,6 +46,7 @@ LOCAL VOID Validate_Config( VOID );
 GLOBAL VOID Handle_GLOBAL( INT Line, CHAR *Var, CHAR *Arg );
 GLOBAL VOID Handle_OPERATOR( INT Line, CHAR *Var, CHAR *Arg );
 GLOBAL VOID Handle_SERVER( INT Line, CHAR *Var, CHAR *Arg );
+GLOBAL VOID Handle_CHANNEL( INT Line, CHAR *Var, CHAR *Arg );
 
 LOCAL VOID Config_Error( CONST INT Level, CONST CHAR *Format, ... );
 
@@ -115,6 +116,15 @@ GLOBAL INT Conf_Test( VOID )
 		printf( "  Group = %d\n", Conf_Server[i].group );
 		puts( "" );
 	}
+
+	for( i = 0; i < Conf_Channel_Count; i++ )
+	{
+		puts( "[CHANNEL]" );
+		printf( "  Name = %s\n", Conf_Channel[i].name );
+		printf( "  Modes = %s\n", Conf_Channel[i].modes );
+		printf( "  Topic = %s\n", Conf_Channel[i].topic );
+		puts( "" );
+	}
 	
 	return 0;
 } /* Conf_Test */
@@ -146,8 +156,8 @@ LOCAL VOID Set_Defaults( VOID )
 	Conf_ConnectRetry = 60;
 
 	Conf_Oper_Count = 0;
-
 	Conf_Server_Count = 0;
+	Conf_Channel_Count = 0;
 } /* Set_Defaults */
 
 
@@ -214,6 +224,19 @@ LOCAL VOID Read_Config( VOID )
 				}
 				continue;
 			}
+			if( strcasecmp( section, "[CHANNEL]" ) == 0 )
+			{
+				if( Conf_Channel_Count + 1 > MAX_DEFCHANNELS ) Config_Error( LOG_ERR, "Too many pre-defined channels configured." );
+				else
+				{
+					/* neuen vordefinierten Channel initialisieren */
+					strcpy( Conf_Channel[Conf_Channel_Count].name, "" );
+					strcpy( Conf_Channel[Conf_Channel_Count].modes, "" );
+					strcpy( Conf_Channel[Conf_Channel_Count].topic, "" );
+					Conf_Channel_Count++;
+				}
+				continue;
+			}
 			Config_Error( LOG_ERR, "%s, line %d: Unknown section \"%s\"!", NGIRCd_ConfFile, line, section );
 			section[0] = 0x1;
 		}
@@ -233,6 +256,7 @@ LOCAL VOID Read_Config( VOID )
 		if( strcasecmp( section, "[GLOBAL]" ) == 0 ) Handle_GLOBAL( line, var, arg );
 		else if( strcasecmp( section, "[OPERATOR]" ) == 0 ) Handle_OPERATOR( line, var, arg );
 		else if( strcasecmp( section, "[SERVER]" ) == 0 ) Handle_SERVER( line, var, arg );
+		else if( strcasecmp( section, "[CHANNEL]" ) == 0 ) Handle_CHANNEL( line, var, arg );
 		else Config_Error( LOG_ERR, "%s, line %d: Variable \"%s\" outside section!", NGIRCd_ConfFile, line, var );
 	}
 	
@@ -415,6 +439,38 @@ GLOBAL VOID Handle_SERVER( INT Line, CHAR *Var, CHAR *Arg )
 } /* Handle_SERVER */
 
 
+GLOBAL VOID Handle_CHANNEL( INT Line, CHAR *Var, CHAR *Arg )
+{
+	assert( Line > 0 );
+	assert( Var != NULL );
+	assert( Arg != NULL );
+
+	if( strcasecmp( Var, "Name" ) == 0 )
+	{
+		/* Hostname des Servers */
+		strncpy( Conf_Channel[Conf_Channel_Count - 1].name, Arg, CHANNEL_NAME_LEN - 1 );
+		Conf_Channel[Conf_Channel_Count - 1].name[CHANNEL_NAME_LEN - 1] = '\0';
+		return;
+	}
+	if( strcasecmp( Var, "Modes" ) == 0 )
+	{
+		/* Name des Servers ("Nick") */
+		strncpy( Conf_Channel[Conf_Channel_Count - 1].modes, Arg, CHANNEL_MODE_LEN - 1 );
+		Conf_Channel[Conf_Channel_Count - 1].modes[CHANNEL_MODE_LEN - 1] = '\0';
+		return;
+	}
+	if( strcasecmp( Var, "Topic" ) == 0 )
+	{
+		/* Passwort des Servers */
+		strncpy( Conf_Channel[Conf_Channel_Count - 1].topic, Arg, CHANNEL_TOPIC_LEN - 1 );
+		Conf_Channel[Conf_Channel_Count - 1].topic[CHANNEL_TOPIC_LEN - 1] = '\0';
+		return;
+	}
+
+	Config_Error( LOG_ERR, "%s, line %d (section \"Channel\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
+} /* Handle_CHANNEL */
+
+
 LOCAL VOID Validate_Config( VOID )
 {
 	/* Konfiguration ueberpruefen */
diff --git a/src/ngircd/conf.h b/src/ngircd/conf.h
index 2aefbcd4..74a24993 100644
--- a/src/ngircd/conf.h
+++ b/src/ngircd/conf.h
@@ -9,7 +9,7 @@
  * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
  * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
  *
- * $Id: conf.h,v 1.15 2002/03/29 22:53:59 alex Exp $
+ * $Id: conf.h,v 1.16 2002/05/21 00:10:16 alex Exp $
  *
  * conf.h: Konfiguration des ngircd (Header)
  */
@@ -42,6 +42,13 @@ typedef struct _Conf_Server
 	RES_STAT *res_stat;		/* Status des Resolver */
 } CONF_SERVER;
 
+typedef struct _Conf_Channel
+{
+	CHAR name[CHANNEL_NAME_LEN];	/* Name des Channel */
+	CHAR modes[CHANNEL_MODE_LEN];	/* Channel-Modes */
+	CHAR topic[CHANNEL_TOPIC_LEN];	/* Topic des Channels */
+} CONF_CHANNEL;
+
 
 /* Name ("Nick") des Servers */
 GLOBAL CHAR Conf_ServerName[CLIENT_ID_LEN];
@@ -78,6 +85,10 @@ GLOBAL INT Conf_Oper_Count;
 GLOBAL CONF_SERVER Conf_Server[MAX_SERVERS];
 GLOBAL INT Conf_Server_Count;
 
+/* Vorkonfigurierte Channels */
+GLOBAL CONF_CHANNEL Conf_Channel[MAX_DEFCHANNELS];
+GLOBAL INT Conf_Channel_Count;
+
 
 GLOBAL VOID Conf_Init( VOID );
 GLOBAL INT Conf_Test( VOID );
diff --git a/src/ngircd/defines.h b/src/ngircd/defines.h
index a81a899d..aa7d1228 100644
--- a/src/ngircd/defines.h
+++ b/src/ngircd/defines.h
@@ -9,7 +9,7 @@
  * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
  * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
  *
- * $Id: defines.h,v 1.23 2002/04/08 01:18:14 alex Exp $
+ * $Id: defines.h,v 1.24 2002/05/21 00:10:16 alex Exp $
  *
  * defines.h: (globale) Konstanten
  */
@@ -32,6 +32,8 @@
 
 #define MAX_SERVERS 16			/* max. Anzahl konfigurierbarer Server ("Peers") */
 
+#define MAX_DEFCHANNELS 16		/* max. Anzahl vorkonfigurierbarerr Channels */
+
 #define MAX_CONNECTIONS 100		/* max. Anzahl von Verbindungen an diesem Server */
 
 #define CLIENT_ID_LEN 64		/* max. ID-Laenge; vgl. RFC 2812, 1.1 und 1.2.1 */
@@ -62,7 +64,7 @@
 #define RECONNECT_DELAY 3		/* Server-Links erst nach 3 Sekunden versuchen, wieder aufzubauen */
 
 #define USERMODES "aios"		/* unterstuetzte User-Modes */
-#define CHANMODES "amnopqstv"		/* unterstuetzte Channel-Modes */
+#define CHANMODES "amnopPqstv"		/* unterstuetzte Channel-Modes */
 
 #define CONNECTED TRUE			/* fuer die irc-xxx-Module */
 #define DISCONNECTED FALSE
diff --git a/src/ngircd/irc-channel.c b/src/ngircd/irc-channel.c
index 79ccdd9a..551c74bd 100644
--- a/src/ngircd/irc-channel.c
+++ b/src/ngircd/irc-channel.c
@@ -9,7 +9,7 @@
  * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
  * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
  *
- * $Id: irc-channel.c,v 1.4 2002/04/23 19:51:14 alex Exp $
+ * $Id: irc-channel.c,v 1.5 2002/05/21 00:10:16 alex Exp $
  *
  * irc-channel.c: IRC-Channel-Befehle
  */
@@ -93,6 +93,9 @@ GLOBAL BOOLEAN IRC_JOIN( CLIENT *Client, REQUEST *Req )
 			flags++;
 		}
 
+		/* Wenn persistenter Channel und IRC-Operator: zum Channel-OP machen */
+		if(( strchr( Channel_Modes( chan ), 'P' )) && ( strchr( Client_Modes( target ), 'o' ))) Channel_UserModeAdd( chan, target, 'o' );
+
 		/* Muessen Modes an andere Server gemeldet werden? */
 		strcpy( &modes[1], Channel_UserModes( chan, target ));
 		if( modes[1] ) modes[0] = 0x7;
diff --git a/src/ngircd/irc-mode.c b/src/ngircd/irc-mode.c
index 5b086c73..ca638fb4 100644
--- a/src/ngircd/irc-mode.c
+++ b/src/ngircd/irc-mode.c
@@ -9,7 +9,7 @@
  * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
  * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
  *
- * $Id: irc-mode.c,v 1.4 2002/03/25 17:11:45 alex Exp $
+ * $Id: irc-mode.c,v 1.5 2002/05/21 00:10:16 alex Exp $
  *
  * irc-mode.c: IRC-Befehle zur Mode-Aenderung (MODE, AWAY, ...)
  */
@@ -227,6 +227,10 @@ GLOBAL BOOLEAN IRC_MODE( CLIENT *Client, REQUEST *Req )
 							/* Topic Lock */
 							x[0] = 't';
 							break;
+						case 'P':
+							/* Persistent */
+							x[0] = 'P';
+							break;
 						default:
 							Log( LOG_DEBUG, "Unknown channel-mode \"%c%c\" from \"%s\" at %s!?", set ? '+' : '-', *mode_ptr, Client_ID( Client ), Channel_Name( chan ));
 							ok = IRC_WriteStrClient( Client, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Client ), set ? '+' : '-', *mode_ptr );