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openwrt-xburst/package/linux/kernel-patches/403-netdev_random_core.patch

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add rml's netdev-random patch and modify et to use it (finally some entropy on /dev/random) git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@802 3c298f89-4303-0410-b956-a3cf2f4a3e73
2005-05-05 03:10:22 +03:00
diff -urN linux-2.4.26-pre5/Documentation/Configure.help linux-2.4.26-pre5-netdev-core/Documentation/Configure.help
--- linux-2.4.26-pre5/Documentation/Configure.help Sat Mar 20 10:08:18 2004
+++ linux-2.4.26-pre5-netdev-core/Documentation/Configure.help Sun Mar 21 10:16:14 2004
@@ -10419,6 +10419,20 @@
If you don't know what to use this for, you don't need it.
+Allow Net Devices to contribute to /dev/random
+CONFIG_NET_RANDOM
+ If you say Y here, network device interrupts will contribute to the
+ kernel entropy pool. Normally, block devices and some other devices
+ feed the pool. Some systems, such as those that are headless or diskless,
+ need additional entropy sources. Some people, however, feel that network
+ devices should not contribute to /dev/random because an external attacker
+ could observe incoming packets in an attempt to learn the entropy pool's
+ state. If you say N, no network device will contribute entropy.
+
+ If you believe there is a chance of your network packets being observed
+ and you doubt the security of the entropy pool's one-way hash, do not
+ enable this. If unsure, say N.
+
Ethertap network tap (OBSOLETE)
CONFIG_ETHERTAP
If you say Y here (and have said Y to "Kernel/User network link
diff -urN linux-2.4.26-pre5/drivers/net/Config.in linux-2.4.26-pre5-netdev-core/drivers/net/Config.in
--- linux-2.4.26-pre5/drivers/net/Config.in Sat Mar 20 10:08:18 2004
+++ linux-2.4.26-pre5-netdev-core/drivers/net/Config.in Sun Mar 21 10:16:14 2004
@@ -8,6 +8,7 @@
tristate 'Bonding driver support' CONFIG_BONDING
tristate 'EQL (serial line load balancing) support' CONFIG_EQUALIZER
tristate 'Universal TUN/TAP device driver support' CONFIG_TUN
+bool 'Allow Net Devices to contribute to /dev/random' CONFIG_NET_RANDOM
if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then
tristate 'Ethertap network tap (OBSOLETE)' CONFIG_ETHERTAP
fi
diff -urN linux-2.4.26-pre5/include/asm-alpha/signal.h linux-2.4.26-pre5-netdev-core/include/asm-alpha/signal.h
--- linux-2.4.26-pre5/include/asm-alpha/signal.h Sat Dec 1 18:27:14 2001
+++ linux-2.4.26-pre5-netdev-core/include/asm-alpha/signal.h Sun Mar 21 10:16:14 2004
@@ -121,7 +121,14 @@
#define SA_PROBE SA_ONESHOT
#define SA_SAMPLE_RANDOM SA_RESTART
#define SA_SHIRQ 0x40000000
+
+#ifdef CONFIG_NET_RANDOM
+#define SA_NET_RANDOM SA_SAMPLE_RANDOM
+#else
+#define SA_NET_RANDOM 0
#endif
+
+#endif /* __KERNEL__ */
#define SIG_BLOCK 1 /* for blocking signals */
#define SIG_UNBLOCK 2 /* for unblocking signals */
diff -urN linux-2.4.26-pre5/include/asm-arm/signal.h linux-2.4.26-pre5-netdev-core/include/asm-arm/signal.h
--- linux-2.4.26-pre5/include/asm-arm/signal.h Sat Sep 13 07:57:29 2003
+++ linux-2.4.26-pre5-netdev-core/include/asm-arm/signal.h Sun Mar 21 10:16:14 2004
@@ -125,7 +125,14 @@
#define SA_PROBE 0x80000000
#define SA_SAMPLE_RANDOM 0x10000000
#define SA_SHIRQ 0x04000000
+
+#ifdef CONFIG_NET_RANDOM
+#define SA_NET_RANDOM SA_SAMPLE_RANDOM
+#else
+#define SA_NET_RANDOM 0
#endif
+
+#endif /* __KERNEL__ */
#define SIG_BLOCK 0 /* for blocking signals */
#define SIG_UNBLOCK 1 /* for unblocking signals */
diff -urN linux-2.4.26-pre5/include/asm-cris/signal.h linux-2.4.26-pre5-netdev-core/include/asm-cris/signal.h
--- linux-2.4.26-pre5/include/asm-cris/signal.h Sat Dec 1 18:27:14 2001
+++ linux-2.4.26-pre5-netdev-core/include/asm-cris/signal.h Sun Mar 21 10:16:14 2004
@@ -120,7 +120,14 @@
#define SA_PROBE SA_ONESHOT
#define SA_SAMPLE_RANDOM SA_RESTART
#define SA_SHIRQ 0x04000000
+
+#ifdef CONFIG_NET_RANDOM
+#define SA_NET_RANDOM SA_SAMPLE_RANDOM
+#else
+#define SA_NET_RANDOM 0
#endif
+
+#endif /* __KERNEL__ */
#define SIG_BLOCK 0 /* for blocking signals */
#define SIG_UNBLOCK 1 /* for unblocking signals */
diff -urN linux-2.4.26-pre5/include/asm-i386/signal.h linux-2.4.26-pre5-netdev-core/include/asm-i386/signal.h
--- linux-2.4.26-pre5/include/asm-i386/signal.h Sun Mar 21 00:00:43 2004
+++ linux-2.4.26-pre5-netdev-core/include/asm-i386/signal.h Sun Mar 21 10:16:14 2004
@@ -119,7 +119,14 @@
#define SA_PROBE SA_ONESHOT
#define SA_SAMPLE_RANDOM SA_RESTART
#define SA_SHIRQ 0x04000000
+
+#ifdef CONFIG_NET_RANDOM
+#define SA_NET_RANDOM SA_SAMPLE_RANDOM
+#else
+#define SA_NET_RANDOM 0
#endif
+
+#endif /* __KERNEL__ */
#define SIG_BLOCK 0 /* for blocking signals */
#define SIG_UNBLOCK 1 /* for unblocking signals */
diff -urN linux-2.4.26-pre5/include/asm-ia64/signal.h linux-2.4.26-pre5-netdev-core/include/asm-ia64/signal.h
--- linux-2.4.26-pre5/include/asm-ia64/signal.h Sat Mar 20 10:08:20 2004
+++ linux-2.4.26-pre5-netdev-core/include/asm-ia64/signal.h Sun Mar 21 10:16:14 2004
@@ -117,6 +117,12 @@
#define SA_SHIRQ 0x04000000
#define SA_PERCPU_IRQ 0x02000000
+#ifdef CONFIG_NET_RANDOM
+#define SA_NET_RANDOM SA_SAMPLE_RANDOM
+#else
+#define SA_NET_RANDOM 0
+#endif
+
#endif /* __KERNEL__ */
#define SIG_BLOCK 0 /* for blocking signals */
diff -urN linux-2.4.26-pre5/include/asm-m68k/signal.h linux-2.4.26-pre5-netdev-core/include/asm-m68k/signal.h
--- linux-2.4.26-pre5/include/asm-m68k/signal.h Fri Feb 20 07:38:33 2004
+++ linux-2.4.26-pre5-netdev-core/include/asm-m68k/signal.h Sun Mar 21 10:16:14 2004
@@ -116,7 +116,14 @@
#define SA_PROBE SA_ONESHOT
#define SA_SAMPLE_RANDOM SA_RESTART
#define SA_SHIRQ 0x04000000
+
+#ifdef CONFIG_NET_RANDOM
+#define SA_NET_RANDOM SA_SAMPLE_RANDOM
+#else
+#define SA_NET_RANDOM 0
#endif
+
+#endif /* __KERNEL__ */
#define SIG_BLOCK 0 /* for blocking signals */
#define SIG_UNBLOCK 1 /* for unblocking signals */
diff -urN linux-2.4.26-pre5/include/asm-mips/signal.h linux-2.4.26-pre5-netdev-core/include/asm-mips/signal.h
--- linux-2.4.26-pre5/include/asm-mips/signal.h Sat Sep 13 07:57:31 2003
+++ linux-2.4.26-pre5-netdev-core/include/asm-mips/signal.h Sun Mar 21 10:16:14 2004
@@ -111,6 +111,12 @@
#define SA_SAMPLE_RANDOM SA_RESTART
#define SA_SHIRQ 0x02000000
+#ifdef CONFIG_NET_RANDOM
+#define SA_NET_RANDOM SA_SAMPLE_RANDOM
+#else
+#define SA_NET_RANDOM 0
+#endif
+
#endif /* __KERNEL__ */
#define SIG_BLOCK 1 /* for blocking signals */
diff -urN linux-2.4.26-pre5/include/asm-mips64/signal.h linux-2.4.26-pre5-netdev-core/include/asm-mips64/signal.h
--- linux-2.4.26-pre5/include/asm-mips64/signal.h Sat Sep 13 07:57:32 2003
+++ linux-2.4.26-pre5-netdev-core/include/asm-mips64/signal.h Sun Mar 21 10:16:14 2004
@@ -119,6 +119,12 @@
#define SA_SAMPLE_RANDOM SA_RESTART
#define SA_SHIRQ 0x02000000
+#ifdef CONFIG_NET_RANDOM
+#define SA_NET_RANDOM SA_SAMPLE_RANDOM
+#else
+#define SA_NET_RANDOM 0
+#endif
+
#endif /* __KERNEL__ */
#define SIG_BLOCK 1 /* for blocking signals */
diff -urN linux-2.4.26-pre5/include/asm-parisc/signal.h linux-2.4.26-pre5-netdev-core/include/asm-parisc/signal.h
--- linux-2.4.26-pre5/include/asm-parisc/signal.h Sun Jan 11 18:48:21 2004
+++ linux-2.4.26-pre5-netdev-core/include/asm-parisc/signal.h Sun Mar 21 10:16:14 2004
@@ -100,6 +100,12 @@
#define SA_SAMPLE_RANDOM SA_RESTART
#define SA_SHIRQ 0x04000000
+#ifdef CONFIG_NET_RANDOM
+#define SA_NET_RANDOM SA_SAMPLE_RANDOM
+#else
+#define SA_NET_RANDOM 0
+#endif
+
#endif /* __KERNEL__ */
#define SIG_BLOCK 0 /* for blocking signals */
diff -urN linux-2.4.26-pre5/include/asm-ppc/signal.h linux-2.4.26-pre5-netdev-core/include/asm-ppc/signal.h
--- linux-2.4.26-pre5/include/asm-ppc/signal.h Sat Sep 13 07:57:32 2003
+++ linux-2.4.26-pre5-netdev-core/include/asm-ppc/signal.h Sun Mar 21 10:16:14 2004
@@ -111,6 +111,13 @@
#define SA_PROBE SA_ONESHOT
#define SA_SAMPLE_RANDOM SA_RESTART
#define SA_SHIRQ 0x04000000
+
+#ifdef CONFIG_NET_RANDOM
+#define SA_NET_RANDOM SA_SAMPLE_RANDOM
+#else
+#define SA_NET_RANDOM 0
+#endif
+
#endif /* __KERNEL__ */
#define SIG_BLOCK 0 /* for blocking signals */
diff -urN linux-2.4.26-pre5/include/asm-s390/signal.h linux-2.4.26-pre5-netdev-core/include/asm-s390/signal.h
--- linux-2.4.26-pre5/include/asm-s390/signal.h Fri Feb 20 07:38:34 2004
+++ linux-2.4.26-pre5-netdev-core/include/asm-s390/signal.h Sun Mar 21 10:16:14 2004
@@ -129,7 +129,14 @@
#define SA_SHIRQ 0x04000000
#define SA_DOPATHGROUP 0x00100000
#define SA_FORCE 0x00200000
+
+#ifdef CONFIG_NET_RANDOM
+#define SA_NET_RANDOM SA_SAMPLE_RANDOM
+#else
+#define SA_NET_RANDOM 0
#endif
+
+#endif /* __KERNEL__ */
#define SIG_BLOCK 0 /* for blocking signals */
#define SIG_UNBLOCK 1 /* for unblocking signals */
diff -urN linux-2.4.26-pre5/include/asm-s390x/signal.h linux-2.4.26-pre5-netdev-core/include/asm-s390x/signal.h
--- linux-2.4.26-pre5/include/asm-s390x/signal.h Fri Feb 20 07:38:34 2004
+++ linux-2.4.26-pre5-netdev-core/include/asm-s390x/signal.h Sun Mar 21 10:16:14 2004
@@ -129,7 +129,14 @@
#define SA_SHIRQ 0x04000000
#define SA_DOPATHGROUP 0x00100000
#define SA_FORCE 0x00200000
+
+#ifdef CONFIG_NET_RANDOM
+#define SA_NET_RANDOM SA_SAMPLE_RANDOM
+#else
+#define SA_NET_RANDOM 0
#endif
+
+#endif /* __KERNEL__ */
#define SIG_BLOCK 0 /* for blocking signals */
#define SIG_UNBLOCK 1 /* for unblocking signals */
diff -urN linux-2.4.26-pre5/include/asm-sh/signal.h linux-2.4.26-pre5-netdev-core/include/asm-sh/signal.h
--- linux-2.4.26-pre5/include/asm-sh/signal.h Sat Dec 1 18:27:13 2001
+++ linux-2.4.26-pre5-netdev-core/include/asm-sh/signal.h Sun Mar 21 10:16:14 2004
@@ -107,7 +107,14 @@
#define SA_PROBE SA_ONESHOT
#define SA_SAMPLE_RANDOM SA_RESTART
#define SA_SHIRQ 0x04000000
+
+#ifdef CONFIG_NET_RANDOM
+#define SA_NET_RANDOM SA_SAMPLE_RANDOM
+#else
+#define SA_NET_RANDOM 0
#endif
+
+#endif /* __KERNEL__ */
#define SIG_BLOCK 0 /* for blocking signals */
#define SIG_UNBLOCK 1 /* for unblocking signals */
diff -urN linux-2.4.26-pre5/include/asm-sparc/signal.h linux-2.4.26-pre5-netdev-core/include/asm-sparc/signal.h
--- linux-2.4.26-pre5/include/asm-sparc/signal.h Sat Dec 1 18:27:14 2001
+++ linux-2.4.26-pre5-netdev-core/include/asm-sparc/signal.h Sun Mar 21 10:16:14 2004
@@ -176,7 +176,14 @@
#define SA_PROBE SA_ONESHOT
#define SA_SAMPLE_RANDOM SA_RESTART
#define SA_STATIC_ALLOC 0x80
+
+#ifdef CONFIG_NET_RANDOM
+#define SA_NET_RANDOM SA_SAMPLE_RANDOM
+#else
+#define SA_NET_RANDOM 0
#endif
+
+#endif /* __KERNEL__ */
/* Type of a signal handler. */
#ifdef __KERNEL__
diff -urN linux-2.4.26-pre5/include/asm-sparc64/signal.h linux-2.4.26-pre5-netdev-core/include/asm-sparc64/signal.h
--- linux-2.4.26-pre5/include/asm-sparc64/signal.h Sat Dec 1 18:27:14 2001
+++ linux-2.4.26-pre5-netdev-core/include/asm-sparc64/signal.h Sun Mar 21 10:16:14 2004
@@ -192,7 +192,14 @@
#define SA_PROBE SA_ONESHOT
#define SA_SAMPLE_RANDOM SA_RESTART
#define SA_STATIC_ALLOC 0x80
+
+#ifdef CONFIG_NET_RANDOM
+#define SA_NET_RANDOM SA_SAMPLE_RANDOM
+#else
+#define SA_NET_RANDOM 0
#endif
+
+#endif /* __KERNEL__ */
/* Type of a signal handler. */
#ifdef __KERNEL__
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