Use strong VRND for silo unique number

9e06cd75 · Poul-Henning Kamp · Dridi Boukelmoune · c495cba6 · 9e06cd75
Commit 9e06cd75 authored Jun 06, 2018 by Poul-Henning Kamp Committed by Dridi Boukelmoune Jun 20, 2018
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storage_persistent_subr.c bin/varnishd/storage/storage_persistent_subr.c +2 -1

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--- a/bin/varnishd/storage/storage_persistent_subr.c
+++ b/bin/varnishd/storage/storage_persistent_subr.c
@@ -45,6 +45,7 @@

 #include "storage/storage.h"

+#include "vrnd.h"
 #include "vsha256.h"

 #include "storage/storage_persistent.h"
@@ -280,7 +281,7 @@ smp_newsilo(struct smp_sc *sc)
 	assert(strlen(SMP_IDENT_STRING) < sizeof si->ident);

 	/* Choose a new random number */
-	sc->unique = random();
+	AZ(VRND_RandomCrypto(&sc->unique, sizeof sc->unique));

 	smp_reset_sign(&sc->idn);
 	si = sc->ident;