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Anonymous committed c4e42a7

Add propagated xlines, like klines.

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  • Parent commits 9e8ec4b

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Files changed (7)

doc/reference.conf

 	 */
 	warn_no_nline = yes;
 
-	/* use propagated bans: KLINE sets fully propagated bans. That means
-	 * the klines are part of the netburst and restarted/split servers
-	 * will get them, but they will not apply to 3.2 and older servers
-	 * at all.
+	/* use propagated bans: KLINE and XLINE set fully propagated bans.
+	 * That means the bans are part of the netburst and restarted/split
+	 * servers will get them, but they will not apply to 3.2 and older
+	 * servers at all.
 	 */
 	use_propagated_bans = yes;
 
 * U - Shows shared blocks (Old U: lines)
   u - Shows server uptime
 ^ v - Shows connected servers and brief status information
-* x - Shows temporary gecos bans
+* x - Shows temporary and global gecos bans
 * X - Shows gecos bans (Old X: lines)
 ^ y - Shows connection classes (Old Y: lines)
 * z - Shows memory stats
 
 extern rb_dlink_node *find_prop_ban(unsigned int status, const char *user, const char *host);
 extern void deactivate_conf(struct ConfItem *, rb_dlink_node *);
+extern void replace_old_ban(struct ConfItem *);
 
 extern void read_conf_files(int cold);
 

modules/core/m_ban.c

 			ntype = CONF_KILL;
 			stype = "K-Line";
 			break;
+		case 'X':
+			ntype = CONF_XLINE;
+			stype = "X-Line";
+			break;
 		default:
 			sendto_realops_snomask(SNO_GENERAL, L_NETWIDE,
 					"Unknown BAN type %s from %s",
 				       aconf->user ? "@" : "",
 				       aconf->host,
 				       parv[parc - 1]);
-		ilog(L_KLINE, "%s %s %d %s %s %s", parv[1],
+		ilog(L_KLINE, "%s %s %d %s%s%s %s", parv[1],
 				IsServer(source_p) ? source_p->name : get_oper_name(source_p),
 				(hold - rb_current_time()) / 60,
-				aconf->user, aconf->host,
+				aconf->user ? aconf->user : "",
+				aconf->user ? " " : "",
+				aconf->host,
 				parv[parc - 1]);
 		aconf->status &= ~CONF_ILLEGAL;
 	}
 				aconf->host,
 				strcmp(parv[7], "*") ? " on behalf of " : "",
 				strcmp(parv[7], "*") ? parv[7] : "");
-		ilog(L_KLINE, "U%s %s %s %s", parv[1],
+		ilog(L_KLINE, "U%s %s %s%s %s", parv[1],
 				IsServer(source_p) ? source_p->name : get_oper_name(source_p),
-				aconf->user, aconf->host);
+				aconf->user ? aconf->user : "",
+				aconf->user ? " " : "",
+				aconf->host);
 	}
 	switch (ntype)
 	{
 					check_klines();
 			}
 			break;
+		case CONF_XLINE:
+			if (aconf->status & CONF_ILLEGAL)
+				remove_reject_mask(aconf->host, NULL);
+			else
+			{
+				rb_dlinkAddAlloc(aconf, &xline_conf_list);
+				check_xlines();
+			}
+			break;
 	}
 	sendto_server(client_p, NULL, CAP_BAN|CAP_TS6, NOCAPS,
 			":%s BAN %s %s %s %s %s %s %s :%s",

modules/m_kline.c

 apply_prop_kline(struct Client *source_p, struct ConfItem *aconf,
 	     const char *reason, const char *oper_reason, int tkline_time)
 {
-	rb_dlink_node *ptr;
-	struct ConfItem *oldconf;
-
 	aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY;
 	aconf->hold = rb_current_time() + tkline_time;
 	aconf->lifetime = aconf->hold;
 
-	ptr = find_prop_ban(aconf->status, aconf->user, aconf->host);
-	if(ptr != NULL)
-	{
-		oldconf = ptr->data;
-		/* Remember at least as long as the old one. */
-		if(oldconf->lifetime > aconf->lifetime)
-			aconf->lifetime = oldconf->lifetime;
-		/* Force creation time to increase. */
-		if(oldconf->created >= aconf->created)
-			aconf->created = oldconf->created + 1;
-		/* Leave at least one second of validity. */
-		if(aconf->hold <= aconf->created)
-			aconf->hold = aconf->created + 1;
-		if(aconf->lifetime < aconf->hold)
-			aconf->lifetime = aconf->hold;
-		/* Tell deactivate_conf() to destroy it. */
-		oldconf->lifetime = rb_current_time();
-		deactivate_conf(oldconf, ptr);
-	}
+	replace_old_ban(aconf);
 
 	rb_dlinkAddAlloc(aconf, &prop_bans);
 	add_conf_by_address(aconf->host, CONF_KILL, aconf->user, NULL, aconf);

modules/m_xline.c

 
 static int valid_xline(struct Client *, const char *, const char *);
 static void apply_xline(struct Client *client_p, const char *name,
-			const char *reason, int temp_time);
+			const char *reason, int temp_time, int propagated);
 static void propagate_xline(struct Client *source_p, const char *target,
 			    int temp_time, const char *name, const char *type, const char *reason);
 static void cluster_xline(struct Client *source_p, int temp_time,
 				const char *name, const char *reason);
 static void handle_remote_unxline(struct Client *source_p, const char *name);
 
-static void remove_xline(struct Client *source_p, const char *name);
+static void remove_xline(struct Client *source_p, const char *name,
+			 int propagated);
 
 
 /* m_xline()
 	const char *target_server = NULL;
 	int temp_time;
 	int loc = 1;
+	int propagated = ConfigFileEntry.use_propagated_bans;
 
 	if(!IsOperXline(source_p))
 	{
 
 		if(!match(target_server, me.name))
 			return 0;
+
+		/* Set as local-only. */
+		propagated = 0;
 	}
-	else if(rb_dlink_list_length(&cluster_conf_list) > 0)
+	else if(!propagated && rb_dlink_list_length(&cluster_conf_list) > 0)
 		cluster_xline(source_p, temp_time, name, reason);
 
 	if((aconf = find_xline_mask(name)) != NULL)
 	if(!valid_xline(source_p, name, reason))
 		return 0;
 
-	apply_xline(source_p, name, reason, temp_time);
+	if(propagated && temp_time == 0)
+	{
+		sendto_one_notice(source_p, ":Cannot set a permanent global ban");
+		return 0;
+	}
+
+	apply_xline(source_p, name, reason, temp_time, propagated);
 
 	return 0;
 }
 		return;
 	}
 
-	apply_xline(source_p, name, reason, temp_time);
+	apply_xline(source_p, name, reason, temp_time, 0);
 }
 
 /* valid_xline()
 }
 
 void
-apply_xline(struct Client *source_p, const char *name, const char *reason, int temp_time)
+apply_xline(struct Client *source_p, const char *name, const char *reason, int temp_time, int propagated)
 {
+	rb_dlink_node *ptr;
 	struct ConfItem *aconf;
 
 	aconf = make_conf();
 
 	aconf->info.oper = operhash_add(get_oper_name(source_p));
 
-	if(temp_time > 0)
+	if(propagated)
+	{
+		aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY;
+		aconf->hold = rb_current_time() + temp_time;
+		aconf->lifetime = aconf->hold;
+
+		replace_old_ban(aconf);
+		rb_dlinkAddAlloc(aconf, &prop_bans);
+
+		sendto_realops_snomask(SNO_GENERAL, L_ALL,
+				       "%s added global %d min. X-Line for [%s] [%s]",
+				       get_oper_name(source_p), temp_time / 60,
+				       aconf->host, reason);
+		ilog(L_KLINE, "X %s %d %s %s",
+		     get_oper_name(source_p), temp_time / 60, name, reason);
+		sendto_one_notice(source_p, ":Added global %d min. X-Line [%s]",
+				  temp_time / 60, aconf->host);
+		sendto_server(NULL, NULL, CAP_BAN|CAP_TS6, NOCAPS,
+				":%s BAN X * %s %lu %d %d * :%s",
+				source_p->id, aconf->host,
+				(unsigned long)aconf->created,
+				(int)(aconf->hold - aconf->created),
+				(int)(aconf->lifetime - aconf->created),
+				reason);
+	}
+	else if(temp_time > 0)
 	{
 		aconf->hold = rb_current_time() + temp_time;
 
 static int
 mo_unxline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
 {
+	int propagated = 1;
+
 	if(!IsOperXline(source_p))
 	{
 		sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "xline");
 
 		if(match(parv[3], me.name) == 0)
 			return 0;
+
+		propagated = 0;
 	}
-	else if(rb_dlink_list_length(&cluster_conf_list))
-		cluster_generic(source_p, "UNXLINE", SHARED_UNXLINE, CAP_CLUSTER, "%s", parv[1]);
+	/* cluster{} moved to remove_xline */
 
-	remove_xline(source_p, parv[1]);
+	remove_xline(source_p, parv[1], propagated);
 
 	return 0;
 }
 			     source_p->servptr->name, SHARED_UNXLINE))
 		return;
 
-	remove_xline(source_p, name);
+	remove_xline(source_p, name, 0);
 
 	return;
 }
 
 static void
-remove_xline(struct Client *source_p, const char *name)
+remove_xline(struct Client *source_p, const char *name, int propagated)
 {
 	struct ConfItem *aconf;
 	rb_dlink_node *ptr;
 
 		if(!irccmp(aconf->host, name))
 		{
+			if(aconf->lifetime)
+			{
+				if(!propagated)
+				{
+					sendto_one_notice(source_p, ":Cannot remove global X-Line %s on specific servers", name);
+					return;
+				}
+				ptr = rb_dlinkFind(aconf, &prop_bans);
+				if(ptr == NULL)
+					return;
+				sendto_one_notice(source_p, ":X-Line for [%s] is removed", name);
+				sendto_realops_snomask(SNO_GENERAL, L_ALL,
+						       "%s has removed the global X-Line for: [%s]",
+						       get_oper_name(source_p), name);
+				ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), name);
+				if(aconf->created < rb_current_time())
+					aconf->created = rb_current_time();
+				else
+					aconf->created++;
+				aconf->hold = aconf->created;
+				operhash_delete(aconf->info.oper);
+				aconf->info.oper = operhash_add(get_oper_name(source_p));
+				aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY;
+				sendto_server(NULL, NULL, CAP_BAN|CAP_TS6, NOCAPS,
+						":%s BAN X * %s %lu %d %d * :*",
+						source_p->id, aconf->host,
+						(unsigned long)aconf->created,
+						0,
+						(int)(aconf->lifetime - aconf->created));
+				remove_reject_mask(aconf->host, NULL);
+				deactivate_conf(aconf, ptr);
+				return;
+			}
+			else if(MyClient(source_p) && rb_dlink_list_length(&cluster_conf_list))
+				cluster_generic(source_p, "UNXLINE", SHARED_UNXLINE, CAP_CLUSTER, "%s", name);
 			if(!aconf->hold)
 			{
 				bandb_del(BANDB_XLINE, aconf->host, NULL);
 		}
 	}
 
+	if(MyClient(source_p) && rb_dlink_list_length(&cluster_conf_list))
+		cluster_generic(source_p, "UNXLINE", SHARED_UNXLINE, CAP_CLUSTER, "%s", name);
+
 	sendto_one_notice(source_p, ":No X-Line for %s", name);
 
 	return;
 	}
 }
 
+/* Given a new ban ConfItem, look for any matching ban, update the lifetime
+ * from it and delete it.
+ */
+void
+replace_old_ban(struct ConfItem *aconf)
+{
+	rb_dlink_node *ptr;
+	struct ConfItem *oldconf;
+
+	ptr = find_prop_ban(aconf->status, aconf->user, aconf->host);
+	if(ptr != NULL)
+	{
+		oldconf = ptr->data;
+		/* Remember at least as long as the old one. */
+		if(oldconf->lifetime > aconf->lifetime)
+			aconf->lifetime = oldconf->lifetime;
+		/* Force creation time to increase. */
+		if(oldconf->created >= aconf->created)
+			aconf->created = oldconf->created + 1;
+		/* Leave at least one second of validity. */
+		if(aconf->hold <= aconf->created)
+			aconf->hold = aconf->created + 1;
+		if(aconf->lifetime < aconf->hold)
+			aconf->lifetime = aconf->hold;
+		/* Tell deactivate_conf() to destroy it. */
+		oldconf->lifetime = rb_current_time();
+		deactivate_conf(oldconf, ptr);
+	}
+}
+
 static void
 expire_prop_bans(void *list)
 {