1 files changed, 26 insertions, 5 deletions
diff --git a/Key.c b/Key.c
index a09b316..70607d0 100644
--- a/Key.c
+++ b/Key.c
@@ -62,10 +62,11 @@ getbits (long data, unsigned char *dst)
 #define getpid(x) _getpid(x)
 #endif
 
-void
-XdmcpGenerateKey (XdmAuthKeyPtr key)
-{
 #ifndef HAVE_ARC4RANDOM_BUF
+
+static void
+emulate_getrandom_buf (char *auth, int len)
+{
     long    lowbits, highbits;
 
     srandom ((int)getpid() ^ time((Time_t *)0));
@@ -73,9 +74,29 @@ XdmcpGenerateKey (XdmAuthKeyPtr key)
     highbits = random ();
     getbits (lowbits, key->data);
     getbits (highbits, key->data + 4);
-#else
+}
+
+static void
+arc4random_buf (void *auth, int len)
+{
+    int	    ret;
+
+#if HAVE_GETENTROPY
+    /* weak emulation of arc4random through the getentropy libc call */
+    ret = getentropy (auth, len);
+    if (ret == 0)
+	return;
+#endif /* HAVE_GETENTROPY */
+
+    emulate_getrandom_buf (auth, len);
+}
+
+#endif /* !defined(HAVE_ARC4RANDOM_BUF) */
+
+void
+XdmcpGenerateKey (XdmAuthKeyPtr key)
+{
     arc4random_buf(key->data, 8);
-#endif
 }
 
 int