update to NSD 4.1.20, ok florian@

- Fix memory leak in zone file read of unknown rr formatted RRs.
- Fix memory leak when rehashing nsec3 after axfr or zonefile read,
in the selectively allocated precompiled nsec3 hashes.

1 files changed, 7 insertions, 3 deletions

diff --git a/usr.sbin/nsd/ipc.c b/usr.sbin/nsd/ipc.c
index 5466239265a..ff5bf07db1a 100644
--- a/usr.sbin/nsd/ipc.c
+++ b/usr.sbin/nsd/ipc.c
@@ -20,6 +20,7 @@
 #include "xfrd.h"
 #include "xfrd-notify.h"
 #include "difffile.h"
+#include "rrl.h"
 
 /* attempt to send NSD_STATS command to child fd */
 static void send_stat_to_child(struct main_ipc_handler_data* data, int fd);
@@ -39,9 +40,12 @@ ipc_child_quit(struct nsd* nsd)
 	bind8_stats(nsd);
 #endif /* BIND8_STATS */
 
-#if 0 /* OS collects memory pages */
-	event_base_free(event_base);
-	region_destroy(server_region);
+#ifdef MEMCLEAN /* OS collects memory pages */
+#ifdef RATELIMIT
+        rrl_deinit(nsd->this_child->child_num);
+#endif
+	event_base_free(nsd->event_base);
+	region_destroy(nsd->server_region);
 #endif
 	server_shutdown(nsd);
 	exit(0);