AcoSail/kernel_optimize_test
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MODSIGN: Add FIPS policy

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If we're in FIPS mode, we should panic if we fail to verify the signature on a
module or we're asked to load an unsigned module in signature enforcing mode.
Possibly FIPS mode should automatically enable enforcing mode.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
David Howells 2012-09-26 10:09:50 +01:00 committed by Rusty Russell
parent 106a4ee258
commit 1d0059f3a4
1 changed files with 4 additions and 0 deletions
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4
kernel/module.c
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@ -58,6 +58,7 @@
#include <linux/jump_label.h>
#include <linux/pfn.h>
#include <linux/bsearch.h>
#include <linux/fips.h>
#include "module-internal.h"
#define CREATE_TRACE_POINTS
@ -2447,6 +2448,9 @@ static int module_sig_check(struct load_info *info,
}
/* Not having a signature is only an error if we're strict. */
if (err < 0 && fips_enabled)
panic("Module verification failed with error %d in FIPS mode\n",
err);
if (err == -ENOKEY && !sig_enforce)
err = 0;