Re: [PATCH 2/5] X.509: Support X.509 lookup by Issuer+Serial form AuthorityKeyIdentifier

From: Mimi Zohar
Date: Sun Nov 23 2014 - 19:01:00 EST


Don't assume that the issuer & serialNumber are specified.

Signed-off-by: Mimi Zohar <zohar@xxxxxxxxxxxxxxxxxx>
---
crypto/asymmetric_keys/x509_public_key.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/crypto/asymmetric_keys/x509_public_key.c
b/crypto/asymmetric_keys/x509_public_key.c
index 9c1a3d6..510269f 100644
--- a/crypto/asymmetric_keys/x509_public_key.c
+++ b/crypto/asymmetric_keys/x509_public_key.c
@@ -9,6 +9,7 @@
* 2 of the Licence, or (at your option) any later version.
*/

+#define DEBUG 1
#define pr_fmt(fmt) "X.509: "fmt
#include <linux/module.h>
#include <linux/kernel.h>
@@ -68,12 +69,14 @@ struct key *x509_request_asymmetric_key(struct key
*keyring,
{
struct key *key;
key_ref_t ref;
- const char *lookup;
+ const char *lookup = NULL;
char *req, *p;
- int len;
+ int len = 0;

- lookup = id->data;
- len = id->len;
+ if (id) {
+ lookup = id->data;
+ len = id->len;
+ }
if (!lookup) {
lookup = skid->data;
len = skid->len;
--
1.8.1.4



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