--- xnu/xnu-344.49/bsd/dev/random/randomdev.c
+++ xnu/xnu-792.6.56/bsd/dev/random/randomdev.c
@@ -1,9 +1,7 @@
 /*
- * Copyright (c) 1999, 2000-2002 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1999-2004 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
@@ -34,11 +32,14 @@
 #include <kern/lock.h>
 #include <sys/time.h>
 #include <sys/malloc.h>
+#include <sys/uio_internal.h>
 
 #include <dev/random/randomdev.h>
 #include <dev/random/YarrowCoreLib/include/yarrow.h>
 
 #define RANDOM_MAJOR  -1 /* let the kernel pick the device number */
+
+d_ioctl_t       random_ioctl;
 
 /*
  * A struct describing which functions will get invoked for certain
@@ -50,9 +51,9 @@
 	random_close,		/* close */
 	random_read,		/* read */
 	random_write,		/* write */
-	eno_ioctl,			/* ioctl */
-	nulldev,			/* stop */
-	nulldev,			/* reset */
+	random_ioctl,		/* ioctl */
+	(stop_fcn_t *)nulldev, /* stop */
+	(reset_fcn_t *)nulldev, /* reset */
 	NULL,				/* tty's */
 	eno_select,			/* select */
 	eno_mmap,			/* mmap */
@@ -70,10 +71,11 @@
 
 #define RESEED_TICKS 50 /* how long a reseed operation can take */
 
+
 /*
  *Initialize ONLY the Yarrow generator.
  */
-void PreliminarySetup ()
+void PreliminarySetup( void )
 {
     prng_error_status perr;
     struct timeval tt;
@@ -121,7 +123,7 @@
  * and to register ourselves with devfs
  */
 void
-random_init()
+random_init( void )
 {
 	int ret;
 
@@ -142,14 +144,29 @@
 	}
 
 	devfs_make_node(makedev (ret, 0), DEVFS_CHAR,
-		UID_ROOT, GID_WHEEL, 0644, "random", 0);
+		UID_ROOT, GID_WHEEL, 0666, "random", 0);
 
 	/*
 	 * also make urandom 
 	 * (which is exactly the same thing in our context)
 	 */
 	devfs_make_node(makedev (ret, 1), DEVFS_CHAR,
-		UID_ROOT, GID_WHEEL, 0644, "urandom", 0);
+		UID_ROOT, GID_WHEEL, 0666, "urandom", 0);
+}
+
+int
+random_ioctl(	__unused dev_t dev, u_long cmd, __unused caddr_t data, 
+				__unused int flag, __unused struct proc *p  )
+{
+	switch (cmd) {
+	case FIONBIO:
+	case FIOASYNC:
+		break;
+	default:
+		return ENODEV;
+	}
+
+	return (0);
 }
 
 /*
@@ -158,7 +175,7 @@
  */
  
 int
-random_open(dev_t dev, int flags, int devtype, struct proc *p)
+random_open(__unused dev_t dev, int flags, __unused int devtype, __unused struct proc *p)
 {
 	if (gRandomError != 0) {
 		/* forget it, yarrow didn't come up */
@@ -172,8 +189,10 @@
 	if (flags & FWRITE) {
 		if (securelevel >= 2)
 			return (EPERM);
-		if ((securelevel >= 1) && suser(p->p_ucred, &p->p_acflag))
+#ifndef __APPLE__
+		if ((securelevel >= 1) && proc_suser(p))
 			return (EPERM);
+#endif	/* !__APPLE__ */
 	}
 
 	return (0);
@@ -185,7 +204,7 @@
  */
  
 int
-random_close(dev_t dev, int flags, int mode, struct proc *p)
+random_close(__unused dev_t dev, __unused int flags, __unused int mode, __unused struct proc *p)
 {
 	return (0);
 }
@@ -196,7 +215,7 @@
  * prng.
  */
 int
-random_write (dev_t dev, struct uio *uio, int ioflag)
+random_write (__unused dev_t dev, struct uio *uio, __unused int ioflag)
 {
     int retCode = 0;
     char rdBuffer[256];
@@ -210,9 +229,10 @@
     
     /* Security server is sending us entropy */
 
-    while (uio->uio_resid > 0 && retCode == 0) {
+    while (uio_resid(uio) > 0 && retCode == 0) {
         /* get the user's data */
-        int bytesToInput = min(uio->uio_resid, sizeof (rdBuffer));
+        // LP64todo - fix this!  uio_resid may be 64-bit value
+        int bytesToInput = min(uio_resid(uio), sizeof (rdBuffer));
         retCode = uiomove(rdBuffer, bytesToInput, uio);
         if (retCode != 0)
             goto /*ugh*/ error_exit;
@@ -243,7 +263,7 @@
  * return data to the caller.  Results unpredictable.
  */ 
 int
-random_read(dev_t dev, struct uio *uio, int ioflag)
+random_read(__unused dev_t dev, struct uio *uio, __unused int ioflag)
 {
     int retCode = 0;
     char wrBuffer[512];
@@ -254,9 +274,10 @@
    /* lock down the mutex */
     mutex_lock(gYarrowMutex);
 
-    while (uio->uio_resid > 0 && retCode == 0) {
+    while (uio_resid(uio) > 0 && retCode == 0) {
         /* get the user's data */
-        int bytesToRead = min(uio->uio_resid, sizeof (wrBuffer));
+        // LP64todo - fix this!  uio_resid may be 64-bit value
+        int bytesToRead = min(uio_resid(uio), sizeof (wrBuffer));
         
         /* get the data from Yarrow */
         if (prngOutput(gPrngRef, (BYTE *) wrBuffer, sizeof (wrBuffer)) != 0) {
@@ -297,7 +318,7 @@
  * Return an unsigned long pseudo-random number.
  */
 u_long
-RandomULong()
+RandomULong( void )
 {
 	u_long buf;
 	read_random(&buf, sizeof (buf));