2 files changed, 15 insertions, 7 deletions

diff --git a/source3/winbindd/winbindd_idmap.c b/source3/winbindd/winbindd_idmap.c
index 379e7b51ea..be090afbf1 100644
--- a/source3/winbindd/winbindd_idmap.c
+++ b/source3/winbindd/winbindd_idmap.c
@@ -772,15 +772,15 @@ static void winbindd_dump_id_maps_recv(TALLOC_CTX *mem_ctx, bool success,
 	cont(private_data, True);
 }
 
-void winbindd_dump_maps_async(TALLOC_CTX *mem_ctx, void *data, int size,
+void winbindd_dump_maps_async(TALLOC_CTX *mem_ctx, const char *logfile,
 			 void (*cont)(void *private_data, bool success),
 			 void *private_data)
 {
 	struct winbindd_request request;
 	ZERO_STRUCT(request);
 	request.cmd = WINBINDD_DUAL_DUMP_MAPS;
-	request.extra_data.data = (char *)data;
-	request.extra_len = size;
+	request.extra_data.data = discard_const(logfile);
+	request.extra_len = strlen(logfile)+1;
 	do_async(mem_ctx, idmap_child(), &request, winbindd_dump_id_maps_recv,
 		 (void *)cont, private_data);
 }
diff --git a/source3/winbindd/winbindd_sid.c b/source3/winbindd/winbindd_sid.c
index 601971e36b..c01c6f04ab 100644
--- a/source3/winbindd/winbindd_sid.c
+++ b/source3/winbindd/winbindd_sid.c
@@ -532,6 +532,8 @@ static void dump_maps_recv(void *private_data, bool success)
 
 void winbindd_dump_maps(struct winbindd_cli_state *state)
 {
+	const char *logfile;
+
 	if ( ! state->privileged) {
 		DEBUG(0, ("Only root is allowed to ask for an idmap dump!\n"));
 		request_error(state);
@@ -540,9 +542,15 @@ void winbindd_dump_maps(struct winbindd_cli_state *state)
 
 	DEBUG(3, ("[%5lu]: dump maps\n", (unsigned long)state->pid));
 
-	winbindd_dump_maps_async(state->mem_ctx,
-			state->request.extra_data.data,
-			state->request.extra_len,
-			dump_maps_recv, state);
+	logfile = talloc_strndup(state->mem_ctx,
+				 (const char *)state->request.extra_data.data,
+				 state->request.extra_len);
+	if (!logfile) {
+		request_error(state);
+		return;
+	}
+
+	winbindd_dump_maps_async(state->mem_ctx, logfile,
+				 dump_maps_recv, state);
 }