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Diffstat (limited to 'kernel/net/ceph/auth_x.c')
-rw-r--r--kernel/net/ceph/auth_x.c36
1 files changed, 23 insertions, 13 deletions
diff --git a/kernel/net/ceph/auth_x.c b/kernel/net/ceph/auth_x.c
index ba6eb1722..10d87753e 100644
--- a/kernel/net/ceph/auth_x.c
+++ b/kernel/net/ceph/auth_x.c
@@ -8,6 +8,7 @@
#include <linux/ceph/decode.h>
#include <linux/ceph/auth.h>
+#include <linux/ceph/libceph.h>
#include <linux/ceph/messenger.h>
#include "crypto.h"
@@ -279,6 +280,15 @@ bad:
return -EINVAL;
}
+static void ceph_x_authorizer_cleanup(struct ceph_x_authorizer *au)
+{
+ ceph_crypto_key_destroy(&au->session_key);
+ if (au->buf) {
+ ceph_buffer_put(au->buf);
+ au->buf = NULL;
+ }
+}
+
static int ceph_x_build_authorizer(struct ceph_auth_client *ac,
struct ceph_x_ticket_handler *th,
struct ceph_x_authorizer *au)
@@ -297,7 +307,7 @@ static int ceph_x_build_authorizer(struct ceph_auth_client *ac,
ceph_crypto_key_destroy(&au->session_key);
ret = ceph_crypto_key_clone(&au->session_key, &th->session_key);
if (ret)
- return ret;
+ goto out_au;
maxlen = sizeof(*msg_a) + sizeof(msg_b) +
ceph_x_encrypt_buflen(ticket_blob_len);
@@ -309,8 +319,8 @@ static int ceph_x_build_authorizer(struct ceph_auth_client *ac,
if (!au->buf) {
au->buf = ceph_buffer_new(maxlen, GFP_NOFS);
if (!au->buf) {
- ceph_crypto_key_destroy(&au->session_key);
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto out_au;
}
}
au->service = th->service;
@@ -340,7 +350,7 @@ static int ceph_x_build_authorizer(struct ceph_auth_client *ac,
ret = ceph_x_encrypt(&au->session_key, &msg_b, sizeof(msg_b),
p, end - p);
if (ret < 0)
- goto out_buf;
+ goto out_au;
p += ret;
au->buf->vec.iov_len = p - au->buf->vec.iov_base;
dout(" built authorizer nonce %llx len %d\n", au->nonce,
@@ -348,9 +358,8 @@ static int ceph_x_build_authorizer(struct ceph_auth_client *ac,
BUG_ON(au->buf->vec.iov_len > maxlen);
return 0;
-out_buf:
- ceph_buffer_put(au->buf);
- au->buf = NULL;
+out_au:
+ ceph_x_authorizer_cleanup(au);
return ret;
}
@@ -624,8 +633,7 @@ static void ceph_x_destroy_authorizer(struct ceph_auth_client *ac,
{
struct ceph_x_authorizer *au = (void *)a;
- ceph_crypto_key_destroy(&au->session_key);
- ceph_buffer_put(au->buf);
+ ceph_x_authorizer_cleanup(au);
kfree(au);
}
@@ -653,8 +661,7 @@ static void ceph_x_destroy(struct ceph_auth_client *ac)
remove_ticket_handler(ac, th);
}
- if (xi->auth_authorizer.buf)
- ceph_buffer_put(xi->auth_authorizer.buf);
+ ceph_x_authorizer_cleanup(&xi->auth_authorizer);
kfree(ac->private);
ac->private = NULL;
@@ -691,8 +698,10 @@ static int ceph_x_sign_message(struct ceph_auth_handshake *auth,
struct ceph_msg *msg)
{
int ret;
- if (!auth->authorizer)
+
+ if (ceph_test_opt(from_msgr(msg->con->msgr), NOMSGSIGN))
return 0;
+
ret = calcu_signature((struct ceph_x_authorizer *)auth->authorizer,
msg, &msg->footer.sig);
if (ret < 0)
@@ -707,8 +716,9 @@ static int ceph_x_check_message_signature(struct ceph_auth_handshake *auth,
__le64 sig_check;
int ret;
- if (!auth->authorizer)
+ if (ceph_test_opt(from_msgr(msg->con->msgr), NOMSGSIGN))
return 0;
+
ret = calcu_signature((struct ceph_x_authorizer *)auth->authorizer,
msg, &sig_check);
if (ret < 0)