RPING with target * travels to all servers, allowing an oper to easily get ping replies from all linked servers.

diff -r 58882b64802f ircd/m_rping.c
--- a/ircd/m_rping.c	Sat Mar 27 15:09:21 2010 +0100
+++ b/ircd/m_rping.c	Sat Mar 27 16:21:11 2010 +0100
@@ -152,6 +152,13 @@
 	sendcmdto_one(sptr, CMD_RPING, destination, "%C %s %s %s :%s",
 		      destination, parv[2], parv[3], parv[4], parv[5]);
     }
+    /* target is *, send RPONG back and pass on to other servers */
+    else if (parv[1][0] == '*' && parv[1][1] == '\0') {
+      sendcmdto_one(&me, CMD_RPONG, sptr, "%s %s %s %s :%s", cli_name(sptr),
+        parv[2], parv[3], parv[4], parv[5]);
+      sendcmdto_serv_butone(sptr, CMD_RPING, cptr, "%s %s %s %s :%s",
+        parv[1], parv[2], parv[3], parv[4], parv[5]);
+    }
   }
   else {
     if (parc < 3) {
@@ -167,7 +174,11 @@
     /*
      * otherwise ping the destination from here
      */
-    if ((destination = find_match_server(parv[1]))) {
+    /* target is *, send to all servers */
+    if (parv[1][0] == '*' && parv[1][1] == '\0')
+      sendcmdto_serv_butone(&me, CMD_RPING, &me, "%s %C %s :%s", parv[1],
+        sptr, militime(0, 0), parv[3]);
+    else if ((destination = find_match_server(parv[1]))) {
       assert(IsServer(destination) || IsMe(destination));
       sendcmdto_one(&me, CMD_RPING, destination, "%C %C %s :%s", destination,
 		    sptr, militime(0, 0), parv[3]);
@@ -228,7 +239,11 @@
       start_time = parv[2];
   }
 
-  if ((acptr = find_match_server(parv[1]))) {
+  /* target is *, send to all servers */
+  if (parv[1][0] == '*' && parv[1][1] == '\0')
+    sendcmdto_serv_butone(&me, CMD_RPING, cptr, "%s %C %s :%s", parv[1], sptr,
+      militime(0, 0), start_time);
+  else if ((acptr = find_match_server(parv[1]))) {
     assert(IsServer(acptr) || IsMe(acptr));
     sendcmdto_one(&me, CMD_RPING, acptr, "%C %C %s :%s", acptr, sptr,
 		  militime(0, 0), start_time);