Commit 40b08cda authored by Yannik Sembritzki's avatar Yannik Sembritzki Committed by Greg Kroah-Hartman

Replace magic for trusting the secondary keyring with #define

commit 817aef260037f33ee0f44c17fe341323d3aebd6d upstream.

Replace the use of a magic number that indicates that verify_*_signature()
should use the secondary keyring with a symbol.
Signed-off-by: 's avatarYannik Sembritzki <yannik@sembritzki.me>
Signed-off-by: 's avatarDavid Howells <dhowells@redhat.com>
Cc: keyrings@vger.kernel.org
Cc: linux-security-module@vger.kernel.org
Signed-off-by: 's avatarLinus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: 's avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent ba99ff79
......@@ -14,6 +14,7 @@
#include <linux/sched.h>
#include <linux/cred.h>
#include <linux/err.h>
#include <linux/verification.h>
#include <keys/asymmetric-type.h>
#include <keys/system_keyring.h>
#include <crypto/pkcs7.h>
......@@ -207,7 +208,7 @@ int verify_pkcs7_signature(const void *data, size_t len,
if (!trusted_keys) {
trusted_keys = builtin_trusted_keys;
} else if (trusted_keys == (void *)1UL) {
} else if (trusted_keys == VERIFY_USE_SECONDARY_KEYRING) {
#ifdef CONFIG_SECONDARY_TRUSTED_KEYRING
trusted_keys = secondary_trusted_keys;
#else
......
......@@ -62,7 +62,7 @@ static int pkcs7_preparse(struct key_preparsed_payload *prep)
return verify_pkcs7_signature(NULL, 0,
prep->data, prep->datalen,
(void *)1UL, usage,
VERIFY_USE_SECONDARY_KEYRING, usage,
pkcs7_view_content, prep);
}
......
......@@ -12,6 +12,12 @@
#ifndef _LINUX_VERIFICATION_H
#define _LINUX_VERIFICATION_H
/*
* Indicate that both builtin trusted keys and secondary trusted keys
* should be used.
*/
#define VERIFY_USE_SECONDARY_KEYRING ((struct key *)1UL)
/*
* The use to which an asymmetric key is being put.
*/
......
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