Added fakechannels to /LIST

doc/ircd.conf.example

@@ -451,6 +451,14 @@ alias "MS" {
 	target = "MemoServ";
 };
 
+/*
+fakechannel "#honeypot" {
+	topic = "Come in";
+	users_min = 50;
+	users_max = 300;
+};
+*/
+
 general {
 	hide_error_messages = opers;
 	hide_spoof_ips = yes;
@@ -520,6 +528,7 @@ general {
 	caller_id_wait = 1 minute;
 	pace_wait_simple = 1 second;
 	pace_wait = 10 seconds;
+	listfake_wait = 180 seconds;
 	short_motd = no;
 	ping_cookie = no;
 	connect_timeout = 30 seconds;

doc/reference.conf

@@ -927,6 +927,14 @@ alias "MS" {
 	target = "MemoServ";
 };
 
+/*
+fakechannel "#honeypot" {
+	topic = "Come in";
+	users_min = 50;
+	users_max = 300;
+};
+*/
+
 /* The general block contains many of the options that were once compiled
  * in options in config.h.  The general block is read at start time.
  */
@@ -1181,6 +1189,9 @@ general {
 	 */
 	pace_wait = 10 seconds;
 
+	/* listfake_wait: time until real list command can be used */
+	listfake_wait = 180 seconds;
+
 	/* short motd: send clients a notice telling them to read the motd
 	 * instead of forcing a motd to clients who may simply ignore it.
 	 */

include/parse.h

@@ -41,5 +41,6 @@ extern void mod_del_cmd(struct Message *msg);
 extern void report_messages(struct Client *);
 
 extern struct Dictionary *alias_dict;
+extern struct Dictionary *fakechannel_dict;
 
 #endif /* INCLUDED_parse_h_h */

include/s_conf.h

@@ -191,6 +191,7 @@ struct config_file_entry
 	int operspy_admin_only;
 	int pace_wait;
 	int pace_wait_simple;
+	int listfake_wait;
 	int short_motd;
 	int no_oper_flood;
 	int hide_server;
@@ -309,6 +310,16 @@ struct alias_entry
 	int hits;
 };
 
+struct fakechannel_entry
+{
+	char *name;
+	char *topic;
+
+	int users_min;
+	int users_max;
+};
+
+
 /* All variables are GLOBAL */
 extern int specific_ipv4_vhost;	/* used in s_bsd.c */
 extern int specific_ipv6_vhost;

modules/m_info.c

@@ -398,6 +398,12 @@ static struct InfoStruct info_table[] = {
 		&ConfigFileEntry.pace_wait_simple,
 		"Minimum delay between less intensive commands"
 	},
+	{
+		"listfake_wait",
+		OUTPUT_DECIMAL,
+		&ConfigFileEntry.listfake_wait,
+		"Time until real list command can be used"
+	},
 	{
 		"ping_cookie",
 		OUTPUT_BOOLEAN,

modules/m_list.c

@@ -153,6 +153,32 @@ static int m_list(struct Client *client_p, struct Client *source_p, int parc, co
 			last_used = rb_current_time();
 	}
 
+	/* Disable LIST for a configured timespan after connect and send configured fake
+	 * channels instead.
+	 * Exempts: Opers, identifed users and users with spambot_exempt flag
+	 */
+	if (((source_p->localClient->firsttime + ConfigFileEntry.listfake_wait) > rb_current_time())
+			&& !IsOper(source_p) && !IsExemptSpambot(source_p) &&
+			!(source_p->user != NULL && !EmptyString(source_p->user->suser)))
+	{
+		struct fakechannel_entry *fakechannel;
+		struct DictionaryIter iter;
+
+		sendto_one(source_p, form_str(RPL_LISTSTART), me.name, source_p->name);
+
+		DICTIONARY_FOREACH(fakechannel, &iter, fakechannel_dict)
+		{
+			sendto_one(source_p, form_str(RPL_LIST), me.name, source_p->name,
+					 "",
+					 fakechannel->name,
+					 (rand() % fakechannel->users_max + fakechannel->users_min),
+					 fakechannel->topic);
+		}
+
+		sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
+		return 0;
+	}
+
 	return mo_list(client_p, source_p, parc, parv);
 }
 

src/newconf.c

@@ -54,6 +54,7 @@ static rb_dlink_list yy_cluster_list;
 static struct oper_conf *yy_oper = NULL;
 
 static struct alias_entry *yy_alias = NULL;
+static struct fakechannel_entry *yy_fakechannel = NULL;
 
 static char *yy_blacklist_host = NULL;
 static char *yy_blacklist_reason = NULL;
@@ -1802,6 +1803,92 @@ conf_set_alias_target(void *data)
 	yy_alias->target = rb_strdup(data);
 }
 
+static int
+conf_begin_fakechannel(struct TopConf *tc)
+{
+	yy_fakechannel = rb_malloc(sizeof(struct fakechannel_entry));
+
+	if (conf_cur_block_name != NULL)
+		yy_fakechannel->name = rb_strdup(conf_cur_block_name);
+
+	/* Set defaults */
+	yy_fakechannel->topic = "";
+	yy_fakechannel->users_min = 50;
+	yy_fakechannel->users_max = 300;
+
+	return 0;
+}
+
+static int
+conf_end_fakechannel(struct TopConf *tc)
+{
+	if (yy_fakechannel == NULL)
+		return -1;
+
+	if (yy_fakechannel->name == NULL)
+	{
+		conf_report_error("Ignoring fakechannel -- must have a name.");
+
+		rb_free(yy_fakechannel);
+
+		return -1;
+	}
+
+	irc_dictionary_add(fakechannel_dict, yy_fakechannel->name, yy_fakechannel);
+
+	return 0;
+}
+
+static void
+conf_set_fakechannel_name(void *data)
+{
+	if (data == NULL || yy_fakechannel == NULL)	/* this shouldn't ever happen */
+		return;
+
+	yy_fakechannel->name = rb_strdup(data);
+}
+
+static void
+conf_set_fakechannel_topic(void *data)
+{
+	if (data == NULL || yy_fakechannel == NULL)	/* this shouldn't ever happen */
+		return;
+
+	yy_fakechannel->topic = rb_strdup(data);
+}
+
+static void
+conf_set_fakechannel_users_min(void *data)
+{
+	if (data == NULL || yy_fakechannel == NULL)	/* this shouldn't ever happen */
+		return;
+
+	int users_min = *((int *)data);
+	if(users_min <= 0)
+	{
+		conf_report_error("fakechannel::users_min value %d is bogus, ignoring", users_min);
+		return;
+	}
+
+	yy_fakechannel->users_min = users_min;
+}
+
+static void
+conf_set_fakechannel_users_max(void *data)
+{
+	if (data == NULL || yy_fakechannel == NULL)	/* this shouldn't ever happen */
+		return;
+
+	int users_max = *((int *)data);
+	if(users_max <= 0)
+	{
+		conf_report_error("fakechannel::users_max value %d is bogus, ignoring", users_max);
+		return;
+	}
+
+	yy_fakechannel->users_max = users_max;
+}
+
 static void
 conf_set_channel_autochanmodes(void *data)
 {
@@ -2410,6 +2497,7 @@ static struct ConfEntry conf_general_table[] =
 	{ "operspy_dont_care_user_info", CF_YESNO, NULL, 0, &ConfigFileEntry.operspy_dont_care_user_info },
 	{ "pace_wait",		CF_TIME,  NULL, 0, &ConfigFileEntry.pace_wait		},
 	{ "pace_wait_simple",	CF_TIME,  NULL, 0, &ConfigFileEntry.pace_wait_simple	},
+	{ "listfake_wait",	CF_TIME,  NULL, 0, &ConfigFileEntry.listfake_wait	},
 	{ "ping_cookie",	CF_YESNO, NULL, 0, &ConfigFileEntry.ping_cookie		},
 	{ "reject_after_count",	CF_INT,   NULL, 0, &ConfigFileEntry.reject_after_count	},
 	{ "reject_ban_time",	CF_TIME,  NULL, 0, &ConfigFileEntry.reject_ban_time	},
@@ -2523,6 +2611,12 @@ newconf_init()
 	add_conf_item("alias", "name", CF_QSTRING, conf_set_alias_name);
 	add_conf_item("alias", "target", CF_QSTRING, conf_set_alias_target);
 
+	add_top_conf("fakechannel", conf_begin_fakechannel, conf_end_fakechannel, NULL);
+	add_conf_item("fakechannel", "name", CF_QSTRING, conf_set_fakechannel_name);
+	add_conf_item("fakechannel", "topic", CF_QSTRING, conf_set_fakechannel_topic);
+	add_conf_item("fakechannel", "users_max", CF_INT, conf_set_fakechannel_users_max);
+	add_conf_item("fakechannel", "users_min", CF_INT, conf_set_fakechannel_users_min);
+
 	add_top_conf("blacklist", NULL, NULL, NULL);
 	add_conf_item("blacklist", "host", CF_QSTRING, conf_set_blacklist_host);
 	add_conf_item("blacklist", "type", CF_STRING | CF_FLIST, conf_set_blacklist_type);

src/parse.c

@@ -45,6 +45,7 @@
 
 static struct Dictionary *cmd_dict = NULL;
 struct Dictionary *alias_dict = NULL;
+struct Dictionary *fakechannel_dict = NULL;
 
 /* parv[0] is not used, and parv[LAST] == NULL */
 static char *para[MAXPARA + 2];

src/s_conf.c

@@ -738,6 +738,7 @@ set_default_conf(void)
 	ConfigFileEntry.pace_wait = 10;
 	ConfigFileEntry.caller_id_wait = 60;
 	ConfigFileEntry.pace_wait_simple = 1;
+	ConfigFileEntry.listfake_wait = 180;
 	ConfigFileEntry.short_motd = NO;
 	ConfigFileEntry.no_oper_flood = NO;
 	ConfigFileEntry.fname_userlog = NULL;
@@ -826,6 +827,9 @@ set_default_conf(void)
 
 	if (!alias_dict)
 		alias_dict = irc_dictionary_create(strcasecmp);
+
+	if (!fakechannel_dict)
+		fakechannel_dict = irc_dictionary_create(strcasecmp);
 }
 
 #undef YES
@@ -1434,6 +1438,19 @@ free_alias_cb(struct DictionaryElement *ptr, void *unused)
 	rb_free(aptr);
 }
 
+/*
+ * free an fakechannel{} entry.
+ */
+static void
+free_fakechannel_cb(struct DictionaryElement *ptr, void *unused)
+{
+	struct fakechannel_entry *aptr = ptr->data;
+
+	rb_free(aptr->name);
+	rb_free(aptr->topic);
+	rb_free(aptr);
+}
+
 /*
  * clear_out_old_conf
  *
@@ -1537,6 +1554,13 @@ clear_out_old_conf(void)
 		alias_dict = NULL;
 	}
 
+	/* remove any fakechannels */
+	if (alias_dict != NULL)
+	{
+		irc_dictionary_destroy(fakechannel_dict, free_fakechannel_cb, NULL);
+		fakechannel_dict = NULL;
+	}
+
 	destroy_blacklists();
 
 	privilegeset_mark_all_illegal();