Add log::flags "flood" to log flood messages

doc/conf/examples/example.conf

@@ -265,7 +265,7 @@ drpass {
  * See also https://www.unrealircd.org/docs/Log_block
  */
 
-/* This is a good default, it logs almost everything */
+/* This is a good default, it logs everything */
 log "ircd.log" {
 	flags {
 		oper;
@@ -273,6 +273,7 @@ log "ircd.log" {
 		server-connects;
 		kills;
 		errors;
+		flood;
 		sadmin-commands;
 		chg-commands;
 		oper-override;

include/struct.h

@@ -212,6 +212,7 @@ typedef OperPermission (*OperClassEntryEvalCallback)(OperClassACLEntryVar* varia
 #define LOG_CHGCMDS 0x0100
 #define LOG_OVERRIDE 0x0200
 #define LOG_SPAMFILTER 0x0400
+#define LOG_FLOOD 0x0800
 
 /*
 ** 'offsetof' is defined in ANSI-C. The following definition

src/conf.c

@@ -163,6 +163,7 @@ static NameValue _LogFlags[] = {
 	{ LOG_CHGCMDS, "chg-commands" },
 	{ LOG_CLIENT, "connects" },
 	{ LOG_ERROR, "errors" },
+	{ LOG_FLOOD, "flood" },
 	{ LOG_KILL, "kills" },
 	{ LOG_KLINE, "kline" },
 	{ LOG_OPER, "oper" },

src/user.c

@@ -942,18 +942,21 @@ char *get_connect_extinfo(Client *client)
 
 /** Log a message that flood protection kicked in for the client.
  * This sends to the +f snomask at the moment.
- * FIXME: we should provide an option to log this too?
  * @param client	The client to check flood for (local user)
  * @param opt		The flood option (eg FLD_AWAY)
  */
 void flood_limit_exceeded_log(Client *client, char *floodname)
 {
-	sendto_snomask_global(SNO_FLOOD, "Flood blocked (%s) from %s!%s@%s [%s]",
+	char buf[1024];
+
+	snprintf(buf, sizeof(buf), "Flood blocked (%s) from %s!%s@%s [%s]",
 		floodname,
 		client->name,
 		client->user->username,
 		client->user->realhost,
 		GetIP(client));
+	ircd_log(LOG_FLOOD, "%s", buf);
+	sendto_snomask_global(SNO_FLOOD, "%s", buf);
 }
 
 /** Is the flood limit exceeded for an option? eg for away-flood.