atheme module: add support for +u

Closes #25

extra/services/atheme/elemental-ircd.c

@@ -12,7 +12,30 @@
 #include "atheme.h"
 #include "uplink.h"
 #include "pmodule.h"
-#include "protocol/shadowircd.h"
+
+/* Extended channel modes will eventually go here. */
+/* Note that these are involved in atheme.db file format */
+#define CMODE_NOCOLOR		0x00001000	/* hyperion +c */
+#define CMODE_REGONLY		0x00002000	/* hyperion +r */
+#define CMODE_OPMOD		0x00004000	/* hyperion +z */
+#define CMODE_FINVITE		0x00008000	/* hyperion +g */
+#define CMODE_EXLIMIT		0x00010000	/* charybdis +L */
+#define CMODE_PERM		0x00020000	/* charybdis +P */
+#define CMODE_FTARGET		0x00040000	/* charybdis +F */
+#define CMODE_DISFWD		0x00080000	/* charybdis +Q */
+#define CMODE_NOCTCP		0x00100000	/* charybdis +C */
+#define CMODE_IMMUNE		0x00200000	/* shadowircd +M */
+#define CMODE_ADMINONLY		0x00400000	/* shadowircd +A */
+#define CMODE_OPERONLY		0x00800000	/* shadowircd +O */
+#define CMODE_SSLONLY		0x01000000	/* shadowircd +S */
+#define CMODE_NOACTIONS		0x02000000	/* shadowircd +D */
+#define CMODE_NONOTICE		0x04000000	/* shadowircd +T */
+#define CMODE_NOCAPS		0x08000000	/* shadowircd +G */
+#define CMODE_NOKICKS		0x10000000	/* shadowircd +E */
+#define CMODE_NONICKS		0x20000000	/* shadowircd +N */
+#define CMODE_NOREPEAT		0x40000000	/* shadowircd +K */
+#define CMODE_KICKNOREJOIN	0x80000000	/* shadowircd +J */
+#define CMODE_HIDEBANS		0x100000000	/* elemental +u */
 
 DECLARE_MODULE_V1("protocol/elemental-ircd", true, _modinit, NULL, PACKAGE_STRING, "PonyChat Development Group <http://www.ponychat.net>");
 
@@ -71,6 +94,7 @@ struct cmode_ elemental_mode_list[] = {
     { 'd', CMODE_NONICKS },
     { 'K', CMODE_NOREPEAT },
     { 'J', CMODE_KICKNOREJOIN },
+    { 'u', CMODE_HIDEBANS },
     { '\0', 0 }
 };