[SCTP]: Implement the receive and verification of AUTH chunk

[safe/jmp/linux-2.6] / net / sctp / sm_statetable.c

diff --git a/net/sctp/sm_statetable.c b/net/sctp/sm_statetable.c
index ddb0ba3..a93a4bc 100644 (file)
--- a/net/sctp/sm_statetable.c
+++ b/net/sctp/sm_statetable.c
@@ -523,6 +523,34 @@ static const sctp_sm_table_entry_t prsctp_chunk_event_table[SCTP_NUM_PRSCTP_CHUN
        TYPE_SCTP_FWD_TSN,
 }; /*state_fn_t prsctp_chunk_event_table[][] */
 
+#define TYPE_SCTP_AUTH { \
+       /* SCTP_STATE_EMPTY */ \
+       TYPE_SCTP_FUNC(sctp_sf_ootb), \
+       /* SCTP_STATE_CLOSED */ \
+       TYPE_SCTP_FUNC(sctp_sf_ootb), \
+       /* SCTP_STATE_COOKIE_WAIT */ \
+       TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
+       /* SCTP_STATE_COOKIE_ECHOED */ \
+       TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
+       /* SCTP_STATE_ESTABLISHED */ \
+       TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
+       /* SCTP_STATE_SHUTDOWN_PENDING */ \
+       TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
+       /* SCTP_STATE_SHUTDOWN_SENT */ \
+       TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
+       /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
+       TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
+       /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
+       TYPE_SCTP_FUNC(sctp_sf_eat_auth), \
+} /* TYPE_SCTP_AUTH */
+
+/* The primary index for this table is the chunk type.
+ * The secondary index for this table is the state.
+ */
+static const sctp_sm_table_entry_t auth_chunk_event_table[SCTP_NUM_AUTH_CHUNK_TYPES][SCTP_STATE_NUM_STATES] = {
+       TYPE_SCTP_AUTH,
+}; /*state_fn_t auth_chunk_event_table[][] */
+
 static const sctp_sm_table_entry_t
 chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = {
        /* SCTP_STATE_EMPTY */
@@ -976,5 +1004,10 @@ static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(sctp_cid_t cid,
                        return &addip_chunk_event_table[1][state];
        }
 
+       if (sctp_auth_enable) {
+               if (cid == SCTP_CID_AUTH)
+                       return &auth_chunk_event_table[0][state];
+       }
+
        return &chunk_event_table_unknown[state];
 }