Reject invalid durations in addnote.

diff --git a/src/nickserv.c b/src/nickserv.c
index 894c34badc74ba68de1d23c94652ffc41c176992..12aa5a9489697c095a204038988bfe4544356b3a 100644 (file)
--- a/src/nickserv.c
+++ b/src/nickserv.c
@@ -2786,7 +2786,13 @@ static NICKSERV_FUNC(cmd_addnote)
     hi = get_victim_oper(user, argv[1]);
     if (!hi)
         return 0;
-    duration = ParseInterval(argv[2]);
+    if(!strcmp(argv[2], "0"))
+        duration = 0;
+    else if(!(duration = ParseInterval(argv[2])))
+    {
+        reply("MSG_INVALID_DURATION", argv[2]);
+        return 0;
+    }
     if (duration > 2*365*86400) {
         reply("NSMSG_EXCESSIVE_DURATION", argv[2]);
         return 0;