Add umode +G, soft callerid.

help/opers/umode

@@ -6,6 +6,8 @@ Usermodes: (* designates that the umode is oper only)
 -----------------------------------------------------------------
          +i     - Designates this client 'invisible'.
          +g     - "caller id" mode only allow accept clients to message you
+         +G     - "soft caller id" mode - same as +g but automatically allows
+                  anyone who's in a common channel with you to message you.
          +w     - Can see oper and server wallops.
          +o     - Designates this client is an IRC Operator.
                   Use the /oper command to attain this.

help/users/umode

@@ -8,6 +8,8 @@ Usermodes:
                   Use the /oper command to attain this.
          +i     - Designates this client 'invisible'.
          +g     - "caller id" mode only allow accept clients to message you
+         +G     - "soft caller id" mode - same as +g but automatically allows
+                  anyone who's in a common channel with you to message you.
          +w     - Can see oper wallops.
          +B     - Marks you as a bot in /whois.
          +C     - Prevents you from receiving CTCPs other than ACTION.

include/client.h

@@ -424,6 +424,7 @@ struct ListClient
 #define UMODE_NOCTCP	   0x0400	/* block CTCPs except for ACTION */
 #define UMODE_NOINVITE	   0x0800	/* block invites */
 #define UMODE_BOT	   0x8000	/* mark as a bot in whois */
+#define UMODE_SCALLERID    0x40000	/* soft caller id */
 
 /* user information flags, only settable by remote mode or local oper */
 #define UMODE_OPER         0x1000	/* Operator */
@@ -523,6 +524,7 @@ struct ListClient
 #define IsSetNoCTCP(x)		((x)->umodes & UMODE_NOCTCP)
 #define IsSetNoInvite(x)	((x)->umodes & UMODE_NOINVITE)
 #define IsSetBot(x)		((x)->umodes & UMODE_BOT)
+#define IsSetSCallerId(x)	((x)->umodes & UMODE_SCALLERID)
 
 #define SetGotId(x)             ((x)->flags |= FLAGS_GOTID)
 #define IsGotId(x)              (((x)->flags & FLAGS_GOTID) != 0)

include/numeric.h

@@ -368,6 +368,8 @@ extern const char *form_str(int);
 #define RPL_ENDOFMONLIST	733
 #define ERR_MONLISTFULL		734
 
+#define ERR_NOCOMMONCHAN	737
+
 #define RPL_RSACHALLENGE2       740
 #define RPL_ENDOFRSACHALLENGE2  741
 

modules/core/m_message.c

@@ -777,16 +777,24 @@ msg_client(int p_or_n, const char *command,
 					   source_p->name,
 					   source_p->username,
 					   source_p->host, command, target_p->name, text);
+				return;
 			}
-			else if (IsSetRegOnlyMsg(target_p) && !source_p->user->suser[0])
+			if (IsSetRegOnlyMsg(target_p) && !source_p->user->suser[0])
 			{
 				if (p_or_n != NOTICE)
 					sendto_one_numeric(source_p, ERR_NONONREG,
 							form_str(ERR_NONONREG),
 							target_p->name);
+				return;
 			}
-			else
+			if (IsSetSCallerId(target_p) && !source_p->user->suser[0])
 			{
+				if (p_or_n != NOTICE)
+					sendto_one_numeric(source_p, ERR_NOCOMMONCHAN,
+							form_str(ERR_NOCOMMONCHAN),
+							target_p->name);
+				return;
+			}
 			/* check for accept, flag recipient incoming message */
 			if(p_or_n != NOTICE)
 			{
@@ -811,7 +819,6 @@ msg_client(int p_or_n, const char *command,
 				target_p->localClient->last_caller_id_time = rb_current_time();
 			}
 		}
-		}
 		else
 		{
 			add_reply_target(target_p, source_p);

src/messages.tab

@@ -758,7 +758,7 @@ static  const char *  replies[] = {
 /* 734 ERR_MONLISTFULL */	":%s 734 %s %d %s :Monitor list is full",
 /* 735 */	NULL,
 /* 736 */	NULL,
-/* 737 */	NULL,
+/* 737 ERR_NOCOMMONCHAN*/	"%s :is in +G mode (server-side ignore) and you do not share a common channel with them.",
 /* 738 */	NULL,
 /* 739 */	NULL,
 /* 740 */	":%s 740 %s :%s",

src/newconf.c

@@ -295,6 +295,7 @@ struct mode_table
 /* *INDENT-OFF* */
 static struct mode_table umode_table[] = {
 	{"callerid",	UMODE_CALLERID	},
+	{"softcallerid", UMODE_SCALLERID	},
 	{"deaf",	UMODE_DEAF	},
 	{"invisible",	UMODE_INVISIBLE	},
 	{"locops",	UMODE_LOCOPS	},

src/s_user.c

@@ -73,7 +73,7 @@ int user_modes[256] = {
 	UMODE_DEAF,		/* D */
 	0,			/* E */
 	0,			/* F */
-	0,			/* G */
+	UMODE_SCALLERID,	/* G */
 	0,			/* H */
 	0,			/* I */
 	0,			/* J */