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authorSteffen Klassert <steffen.klassert@secunet.com>2011-09-27 07:25:05 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2011-10-21 14:24:04 +0200
commit6c5a86f529a9e9ca4c9aca5fa477e9557d4a3d3d (patch)
treee9909c4d97dd6b697cfb7f70cac8c514a72b94a4
parentb6aa63c09ba3b150a1030f9c95c7647361e7910e (diff)
downloadlinux-6c5a86f529a9e9ca4c9aca5fa477e9557d4a3d3d.tar.bz2
crypto: Add userspace report for larval type algorithms
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
-rw-r--r--crypto/crypto_user.c12
-rw-r--r--include/linux/cryptouser.h5
2 files changed, 17 insertions, 0 deletions
diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c
index aa67c74ee136..8a0c5c6c6589 100644
--- a/crypto/crypto_user.c
+++ b/crypto/crypto_user.c
@@ -84,11 +84,23 @@ static int crypto_report_one(struct crypto_alg *alg,
NLA_PUT_U32(skb, CRYPTOCFGA_PRIORITY_VAL, alg->cra_priority);
+ if (alg->cra_flags & CRYPTO_ALG_LARVAL) {
+ struct crypto_report_larval rl;
+
+ snprintf(rl.type, CRYPTO_MAX_ALG_NAME, "%s", "larval");
+
+ NLA_PUT(skb, CRYPTOCFGA_REPORT_LARVAL,
+ sizeof(struct crypto_report_larval), &rl);
+
+ goto out;
+ }
+
if (alg->cra_type && alg->cra_type->report) {
if (alg->cra_type->report(skb, alg))
goto nla_put_failure;
}
+out:
return 0;
nla_put_failure:
diff --git a/include/linux/cryptouser.h b/include/linux/cryptouser.h
index b874e3879d81..7a849b4c3b82 100644
--- a/include/linux/cryptouser.h
+++ b/include/linux/cryptouser.h
@@ -36,6 +36,7 @@ enum {
enum crypto_attr_type_t {
CRYPTOCFGA_UNSPEC,
CRYPTOCFGA_PRIORITY_VAL, /* __u32 */
+ CRYPTOCFGA_REPORT_LARVAL, /* struct crypto_report_larval */
__CRYPTOCFGA_MAX
#define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1)
@@ -50,3 +51,7 @@ struct crypto_user_alg {
__u32 cru_refcnt;
__u32 cru_flags;
};
+
+struct crypto_report_larval {
+ char type[CRYPTO_MAX_NAME];
+};