X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd-alex.git;a=blobdiff_plain;f=src%2Fngircd%2Fchannel.c;h=0f21a459c3a6644c0f14b2c581f8a45aca154bdc;hp=74c97a0a8dc41abe99c30981d0f840402f040df9;hb=414bfe65ebe8ac1076476b25ed0bb91faad74f47;hpb=8fa92f0a24bb97a972ef82b8fa057d737c9f55b7

diff --git a/src/ngircd/channel.c b/src/ngircd/channel.c
index 74c97a0a..0f21a459 100644
--- a/src/ngircd/channel.c
+++ b/src/ngircd/channel.c
@@ -1,6 +1,6 @@
 /*
  * ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2011 Alexander Barton (alex@barton.de) and Contributors.
+ * Copyright (c)2001-2012 Alexander Barton (alex@barton.de) and Contributors.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -87,6 +87,14 @@ Channel_GetListBans(CHANNEL *c)
 }
 
 
+GLOBAL struct list_head *
+Channel_GetListExcepts(CHANNEL *c)
+{
+	assert(c != NULL);
+	return &c->list_excepts;
+}
+
+
 GLOBAL struct list_head *
 Channel_GetListInvites(CHANNEL *c)
 {
@@ -161,6 +169,7 @@ Free_Channel(CHANNEL *chan)
 	array_free(&chan->topic);
 	array_free(&chan->keyfile);
 	Lists_Free(&chan->list_bans);
+	Lists_Free(&chan->list_excepts);
 	Lists_Free(&chan->list_invites);
 
 	free(chan);
@@ -352,20 +361,31 @@ Channel_Quit( CLIENT *Client, const char *Reason )
 } /* Channel_Quit */
 
 
+/**
+ * Get number of channels this server knows and that are "visible" to
+ * the given client. If no client is given, all channels will be counted.
+ *
+ * @param Client The client to check or NULL.
+ * @return Number of channels visible to the client.
+ */
 GLOBAL unsigned long
-Channel_Count( void )
+Channel_CountVisible (CLIENT *Client)
 {
 	CHANNEL *c;
 	unsigned long count = 0;
 
 	c = My_Channels;
-	while( c )
-	{
-		count++;
+	while(c) {
+		if (Client) {
+			if (!strchr(Channel_Modes(c), 's')
+			    || Channel_IsMemberOf(c, Client))
+				count++;
+		} else
+			count++;
 		c = c->next;
 	}
 	return count;
-} /* Channel_Count */
+}
 
 
 GLOBAL unsigned long
@@ -777,6 +797,13 @@ Channel_SetMaxUsers(CHANNEL *Chan, unsigned long Count)
 } /* Channel_SetMaxUsers */
 
 
+/**
+ * Check if a client is allowed to send to a specific channel.
+ *
+ * @param Chan The channel to check.
+ * @param From The client that wants to send.
+ * @return true if the client is allowed to send, false otherwise.
+ */
 static bool
 Can_Send_To_Channel(CHANNEL *Chan, CLIENT *From)
 {
@@ -805,12 +832,19 @@ Can_Send_To_Channel(CHANNEL *Chan, CLIENT *From)
 	if (strchr(Channel_Modes(Chan), 'n') && !is_member)
 		return false;
 
+	if (strchr(Channel_Modes(Chan), 'M') && !Client_HasMode(From, 'R')
+	    && !Client_HasMode(From, 'o'))
+		return false;
+
 	if (is_op || has_voice)
 		return true;
 
 	if (strchr(Channel_Modes(Chan), 'm'))
 		return false;
 
+	if (Lists_Check(&Chan->list_excepts, From))
+		return true;
+
 	return !Lists_Check(&Chan->list_bans, From);
 }
 
@@ -1002,8 +1036,17 @@ GLOBAL bool
 Channel_AddBan(CHANNEL *c, const char *mask )
 {
 	struct list_head *h = Channel_GetListBans(c);
-	LogDebug("Adding \"%s\" to \"%s\" %s list", mask, Channel_Name(c), "ban");
-	return Lists_Add(h, mask, false);
+	LogDebug("Adding \"%s\" to \"%s\" ban list", mask, Channel_Name(c));
+	return Lists_Add(h, mask, false, NULL);
+}
+
+
+GLOBAL bool
+Channel_AddExcept(CHANNEL *c, const char *mask )
+{
+	struct list_head *h = Channel_GetListExcepts(c);
+	LogDebug("Adding \"%s\" to \"%s\" exception list", mask, Channel_Name(c));
+	return Lists_Add(h, mask, false, NULL);
 }
 
 
@@ -1011,30 +1054,31 @@ GLOBAL bool
 Channel_AddInvite(CHANNEL *c, const char *mask, bool onlyonce)
 {
 	struct list_head *h = Channel_GetListInvites(c);
-	LogDebug("Adding \"%s\" to \"%s\" %s list", mask, Channel_Name(c), "invite");
-	return Lists_Add(h, mask, onlyonce);
+	LogDebug("Adding \"%s\" to \"%s\" invite list", mask, Channel_Name(c));
+	return Lists_Add(h, mask, onlyonce, NULL);
 }
 
 
 static bool
-ShowInvitesBans(struct list_head *head, CLIENT *Client, CHANNEL *Channel, bool invite)
+ShowChannelList(struct list_head *head, CLIENT *Client, CHANNEL *Channel,
+		char *msg, char *msg_end)
 {
 	struct list_elem *e;
-	char *msg = invite ? RPL_INVITELIST_MSG : RPL_BANLIST_MSG;
-	char *msg_end;
 
-	assert( Client != NULL );
-	assert( Channel != NULL );
+	assert (Client != NULL);
+	assert (Channel != NULL);
 
 	e = Lists_GetFirst(head);
 	while (e) {
-		if( ! IRC_WriteStrClient( Client, msg, Client_ID( Client ),
-				Channel_Name( Channel ), Lists_GetMask(e) )) return DISCONNECTED;
+		if (!IRC_WriteStrClient(Client, msg, Client_ID(Client),
+					Channel_Name(Channel),
+					Lists_GetMask(e)))
+			return DISCONNECTED;
 		e = Lists_GetNext(e);
 	}
 
-	msg_end = invite ? RPL_ENDOFINVITELIST_MSG : RPL_ENDOFBANLIST_MSG;
-	return IRC_WriteStrClient( Client, msg_end, Client_ID( Client ), Channel_Name( Channel ));
+	return IRC_WriteStrClient(Client, msg_end, Client_ID(Client),
+				  Channel_Name(Channel));
 }
 
 
@@ -1046,7 +1090,21 @@ Channel_ShowBans( CLIENT *Client, CHANNEL *Channel )
 	assert( Channel != NULL );
 
 	h = Channel_GetListBans(Channel);
-	return ShowInvitesBans(h, Client, Channel, false);
+	return ShowChannelList(h, Client, Channel, RPL_BANLIST_MSG,
+			       RPL_ENDOFBANLIST_MSG);
+}
+
+
+GLOBAL bool
+Channel_ShowExcepts( CLIENT *Client, CHANNEL *Channel )
+{
+	struct list_head *h;
+
+	assert( Channel != NULL );
+
+	h = Channel_GetListExcepts(Channel);
+	return ShowChannelList(h, Client, Channel, RPL_EXCEPTLIST_MSG,
+			       RPL_ENDOFEXCEPTLIST_MSG);
 }
 
 
@@ -1058,7 +1116,8 @@ Channel_ShowInvites( CLIENT *Client, CHANNEL *Channel )
 	assert( Channel != NULL );
 
 	h = Channel_GetListInvites(Channel);
-	return ShowInvitesBans(h, Client, Channel, true);
+	return ShowChannelList(h, Client, Channel, RPL_INVITELIST_MSG,
+			       RPL_ENDOFINVITELIST_MSG);
 }