--- a/fuzzer-preauth.c	Thu May 18 23:45:10 2017 +0800
+++ b/fuzzer-preauth.c	Fri May 19 00:48:46 2017 +0800
@@ -1,10 +1,10 @@
 #include "fuzz.h"
 #include "dbrandom.h"
 #include "session.h"
+#include "fuzz-wrapfd.h"
 
-static int setup_fuzzer(void) {
+static void setup_fuzzer(void) {
 	svr_setup_fuzzer();
-	return 0;
 }
 
 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
@@ -14,15 +14,15 @@
 		once = 1;
 	}
 
-	fuzz.input.data = (unsigned char*)Data;
-	fuzz.input.size = Size;
-	fuzz.input.len = Size;
-	fuzz.input.pos = 0;
+	if (fuzzer_set_input(Data, Size) == DROPBEAR_FAILURE) {
+		return 0;
+	}
 
-	seedrandom();
+	int fakesock = 1;
+	wrapfd_add(fakesock, fuzz.input, PLAIN);
 
 	if (setjmp(fuzz.jmp) == 0) {
-		svr_session(-1, -1);
+		svr_session(fakesock, fakesock);
 	} else {
 		// dropbear_exit jumped here
 	}