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authorSteffen Klassert <steffen.klassert@secunet.com>2011-09-27 07:46:32 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2011-10-21 14:24:06 +0200
commita55465dca7befd31f4ffa54508d4e2d1e701b8dc (patch)
treebbc646c2b5bc6f418e1f45e40da78c533b9729b8
parentb735d0a91556fd9fd5bbeeebd7d327c2d92c36c8 (diff)
crypto: Add userspace report for pcompress 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/pcompress.c18
-rw-r--r--include/linux/cryptouser.h5
2 files changed, 23 insertions, 0 deletions
diff --git a/crypto/pcompress.c b/crypto/pcompress.c
index f7c4a7d7412..fefda78a6a2 100644
--- a/crypto/pcompress.c
+++ b/crypto/pcompress.c
@@ -24,6 +24,8 @@
#include <linux/module.h>
#include <linux/seq_file.h>
#include <linux/string.h>
+#include <linux/cryptouser.h>
+#include <net/netlink.h>
#include <crypto/compress.h>
#include <crypto/internal/compress.h>
@@ -46,6 +48,21 @@ static int crypto_pcomp_init_tfm(struct crypto_tfm *tfm)
return 0;
}
+static int crypto_pcomp_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+ struct crypto_report_comp rpcomp;
+
+ snprintf(rpcomp.type, CRYPTO_MAX_ALG_NAME, "%s", "pcomp");
+
+ NLA_PUT(skb, CRYPTOCFGA_REPORT_COMPRESS,
+ sizeof(struct crypto_report_comp), &rpcomp);
+
+ return 0;
+
+nla_put_failure:
+ return -EMSGSIZE;
+}
+
static void crypto_pcomp_show(struct seq_file *m, struct crypto_alg *alg)
__attribute__ ((unused));
static void crypto_pcomp_show(struct seq_file *m, struct crypto_alg *alg)
@@ -60,6 +77,7 @@ static const struct crypto_type crypto_pcomp_type = {
#ifdef CONFIG_PROC_FS
.show = crypto_pcomp_show,
#endif
+ .report = crypto_pcomp_report,
.maskclear = ~CRYPTO_ALG_TYPE_MASK,
.maskset = CRYPTO_ALG_TYPE_MASK,
.type = CRYPTO_ALG_TYPE_PCOMPRESS,
diff --git a/include/linux/cryptouser.h b/include/linux/cryptouser.h
index 48030c7dfb5..c8c1dfcb7cf 100644
--- a/include/linux/cryptouser.h
+++ b/include/linux/cryptouser.h
@@ -40,6 +40,7 @@ enum crypto_attr_type_t {
CRYPTOCFGA_REPORT_HASH, /* struct crypto_report_hash */
CRYPTOCFGA_REPORT_BLKCIPHER, /* struct crypto_report_blkcipher */
CRYPTOCFGA_REPORT_AEAD, /* struct crypto_report_aead */
+ CRYPTOCFGA_REPORT_COMPRESS, /* struct crypto_report_comp */
__CRYPTOCFGA_MAX
#define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1)
@@ -81,3 +82,7 @@ struct crypto_report_aead {
unsigned int maxauthsize;
unsigned int ivsize;
};
+
+struct crypto_report_comp {
+ char type[CRYPTO_MAX_NAME];
+};