Add chmode +D, which blocks CTCP ACTION.

help/opers/cmode

@@ -28,6 +28,8 @@ NO PARAMETERS:
               (however, new forwards can still be set subject to +F).
      +C     - Disable CTCP. All CTCP messages to the channel, except ACTION,
               are disallowed.
+     +D     - Disable CTCP ACTION. All CTCP ACTIONs to the channel will
+              be blocked.
      +T     - Disable notice. All notices to the channel are disallowed.
 
 WITH PARAMETERS:

include/channel.h

@@ -173,6 +173,7 @@ typedef int (*ExtbanFunc)(const char *data, struct Client *client_p,
 #define MODE_DISFORWARD 0x2000  /* disable channel forwarding */
 #define MODE_NOCTCP     0x8000  /* Block CTCPs directed to this channel */
 #define MODE_NONOTICE	0x16000	/* Block notices directed to this channel */
+#define MODE_NOACTION	0x32000 /* Block CTCP ACTION directed to this channel */
 
 #define CHFL_BAN        0x10000000	/* ban channel flag */
 #define CHFL_EXCEPTION  0x20000000	/* exception to ban channel flag */

modules/core/m_message.c

@@ -519,6 +519,13 @@ msg_channel(int p_or_n, const char *command,
 						form_str(ERR_CANNOTSENDTOCHAN), chptr->chname);
 				return;
 			}
+			if (p_or_n != NOTICE && chptr->mode.mode & MODE_NOACTION)
+					!strncasecmp(text + 1, "ACTION", 6))
+			{
+				sendto_one_numeric(source_p, ERR_CANNOTSENDTOCHAN,
+						form_str(ERR_CANNOTSENDTOCHAN), chptr->chname);
+				return;
+			}
 			if (p_or_n != NOTICE && *text == '\001' &&
 					strncasecmp(text + 1, "ACTION", 6))
 			{

src/chmode.c

@@ -1400,7 +1400,7 @@ struct ChannelMode chmode_table[256] =
   {chm_nosuch,	0 },			/* A */
   {chm_nosuch,	0 },			/* B */
   {chm_simple,	MODE_NOCTCP },		/* C */
-  {chm_nosuch,	0 },			/* D */
+  {chm_simple,	MODE_NOACTION },	/* D */
   {chm_nosuch,	0 },			/* E */
   {chm_simple,	MODE_FREETARGET },	/* F */
   {chm_nosuch,	0 },			/* G */