[SCTP]: Update AUTH structures to match declarations in draft-16.

The new SCTP socket api (draft 16) updates the AUTH API structures.
We never exported these since we knew they would change.
Update the rest to match the draft.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>

3 files changed, 13 insertions, 7 deletions

diff --git a/include/net/sctp/user.h b/include/net/sctp/user.h
index 9462d6ae2f37..9619b9d35c9e 100644
--- a/include/net/sctp/user.h
+++ b/include/net/sctp/user.h
@@ -411,6 +411,7 @@ struct sctp_event_subscribe {
         __u8 sctp_shutdown_event;
         __u8 sctp_partial_delivery_event;
         __u8 sctp_adaptation_layer_event;
+        __u8 sctp_authentication_event;
 };
 
 /*
@@ -587,7 +588,7 @@ struct sctp_authchunk {
  * endpoint requires the peer to use.
 */
 struct sctp_hmacalgo {
-        __u16           shmac_num_idents;
+        __u32           shmac_num_idents;
         __u16           shmac_idents[];
 };
 
@@ -600,7 +601,7 @@ struct sctp_hmacalgo {
 struct sctp_authkey {
         sctp_assoc_t    sca_assoc_id;
         __u16           sca_keynumber;
-        __u16           sca_keylen;
+        __u16           sca_keylength;
         __u8            sca_key[];
 };
 
@@ -693,8 +694,9 @@ struct sctp_status {
  * the peer requires to be received authenticated only.
  */
 struct sctp_authchunks {
-        sctp_assoc_t            gauth_assoc_id;
-        uint8_t                 gauth_chunks[];
+        sctp_assoc_t    gauth_assoc_id;
+        __u32           gauth_number_of_chunks;
+        uint8_t         gauth_chunks[];
 };
 
 /*
diff --git a/net/sctp/auth.c b/net/sctp/auth.c
index 8bb79f281774..675a5c3e68a6 100644
--- a/net/sctp/auth.c
+++ b/net/sctp/auth.c
@@ -838,11 +838,11 @@ int sctp_auth_set_key(struct sctp_endpoint *ep,
         }
 
         /* Create a new key data based on the info passed in */
-        key = sctp_auth_create_key(auth_key->sca_keylen, GFP_KERNEL);
+        key = sctp_auth_create_key(auth_key->sca_keylength, GFP_KERNEL);
         if (!key)
                 goto nomem;
 
-        memcpy(key->data, &auth_key->sca_key[0], auth_key->sca_keylen);
+        memcpy(key->data, &auth_key->sca_key[0], auth_key->sca_keylength);
 
         /* If we are replacing, remove the old keys data from the
          * key id.  If we are adding new key id, add it to the
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 848df21dc6c1..939892691a26 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -1964,7 +1964,7 @@ static int sctp_setsockopt_disable_fragments(struct sock *sk,
 static int sctp_setsockopt_events(struct sock *sk, char __user *optval,
                                         int optlen)
 {
-        if (optlen != sizeof(struct sctp_event_subscribe))
+        if (optlen > sizeof(struct sctp_event_subscribe))
                 return -EINVAL;
         if (copy_from_user(&sctp_sk(sk)->subscribe, optval, optlen))
                 return -EFAULT;
@@ -5094,6 +5094,8 @@ static int sctp_getsockopt_peer_auth_chunks(struct sock *sk, int len,
         len = num_chunks;
         if (put_user(len, optlen))
                 return -EFAULT;
+        if (put_user(num_chunks, &p->gauth_number_of_chunks))
+                return -EFAULT;
         if (copy_to_user(to, ch->chunks, len))
                 return -EFAULT;
 
@@ -5133,6 +5135,8 @@ static int sctp_getsockopt_local_auth_chunks(struct sock *sk, int len,
         len = num_chunks;
         if (put_user(len, optlen))
                 return -EFAULT;
+        if (put_user(num_chunks, &p->gauth_number_of_chunks))
+                return -EFAULT;
         if (copy_to_user(to, ch->chunks, len))
                 return -EFAULT;