add SNO_BANNED, snote for it on client k/x-line rejection (#242)

* add SNO_BANNED, snote for it on client k/x-line rejection

* add snomask help file line for SNO_BANNED

help/opers/snomask

@@ -5,6 +5,7 @@ Server notice masks:
     SNOMASK     DESCRIPTION
 -----------------------------------------------------------------
        +b     - Possible spambot/flooder warnings
+       +B     - Connections rejected due to K-Lines and X-Lines
        +c     - Local client connections and exits
        +C     - Extended local client connections and exits
        +d     - Server debug messages

include/snomask.h

@@ -52,6 +52,7 @@
 #define SNO_EXTERNAL		0x00000400
 #define SNO_SPY			0x00000800
 #define SNO_OPERSPY		0x00001000
+#define SNO_BANNED		0x00002000
 
 char *construct_snobuf(unsigned int val);
 unsigned int parse_snobuf_to_mask(unsigned int val, const char *sno);

ircd/s_conf.c

@@ -366,6 +366,10 @@ verify_access(struct Client *client_p, const char *username)
 					form_str(ERR_YOUREBANNEDCREEP),
 					me.name, client_p->name,
 					get_user_ban_reason(aconf));
+
+		sendto_realops_snomask(SNO_BANNED, L_NETWIDE,
+			"Rejecting K-Lined user %s [%s@%s]",
+			get_client_name(client_p, HIDE_IP), aconf->user, aconf->host);
 		add_reject(client_p, aconf->user, aconf->host, aconf, NULL);
 		return (BANNED_CLIENT);
 	}

ircd/s_user.c

@@ -596,6 +596,10 @@ register_local_user(struct Client *client_p, struct Client *source_p)
 	   (xconf = find_xline(source_p->info, 1)) != NULL)
 	{
 		ServerStats.is_ref++;
+		sendto_realops_snomask(SNO_BANNED, L_NETWIDE,
+			"Rejecting X-Lined user %s [%s]",
+			get_client_name(client_p, HIDE_IP), xconf->host);
+
 		add_reject(source_p, xconf->host, NULL, NULL, NULL);
 		exit_client(client_p, source_p, &me, "Bad user info");
 		return CLIENT_EXITED;

ircd/snomask.c

@@ -43,7 +43,7 @@ int snomask_modes[256] = {
         /* 0x30 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x3F */
         0,                      /* @ */
         0,                      /* A */
-        0,                      /* B */
+        SNO_BANNED,             /* B */
         SNO_CCONNEXT,           /* C */
         0,		        /* D */
         0,                      /* E */