Add RPC method "warn" to show messge to users

Only usable by root.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/rpc.c b/src/rpc.c
index a563f36..823bcca 100644
--- a/src/rpc.c
+++ b/src/rpc.c
@@ -196,6 +196,13 @@ static void handleClient( int fd, struct ucred *creds )
                 SENDSTRING( fd, "ok" );
             }
         }
+    } else if ( strncmp( buffer, "warn ", 5 ) == 0 ) {
+        if ( creds->uid != 0 ) {
+            SENDSTRING( fd, "error only root can do this" );
+        } else {
+            main_warnAll( buffer + 5 );
+            SENDSTRING( fd, "ok" );
+        }
     } else {
         SENDSTRING( fd, "error unknown command" );
     }