diff options
Diffstat (limited to 'src/vnet/classify/classify_api.c')
| -rw-r--r-- | src/vnet/classify/classify_api.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/src/vnet/classify/classify_api.c b/src/vnet/classify/classify_api.c index 2cf79f3875d..6397b10fbd6 100644 --- a/src/vnet/classify/classify_api.c +++ b/src/vnet/classify/classify_api.c @@ -72,7 +72,8 @@ _(match_n_vectors) \ _(next_table_index) \ _(miss_next_index) \ _(current_data_flag) \ -_(current_data_offset) +_(current_data_offset) \ +_(mask_len) static void vl_api_classify_add_del_table_t_handler (vl_api_classify_add_del_table_t * mp) @@ -90,6 +91,12 @@ static void vl_api_classify_add_del_table_t_handler foreach_classify_add_del_table_field; #undef _ + if (mask_len != match_n_vectors * sizeof (u32x4)) + { + rv = VNET_API_ERROR_INVALID_VALUE; + goto out; + } + /* The underlying API fails silently, on purpose, so check here */ if (mp->is_add == 0) /* delete */ { @@ -138,9 +145,10 @@ static void vl_api_classify_add_del_session_t_handler vnet_classify_main_t *cm = &vnet_classify_main; vl_api_classify_add_del_session_reply_t *rmp; int rv; - u32 table_index, hit_next_index, opaque_index, metadata; + u32 table_index, hit_next_index, opaque_index, metadata, match_len; i32 advance; u8 action; + vnet_classify_table_t *t; table_index = ntohl (mp->table_index); hit_next_index = ntohl (mp->hit_next_index); @@ -148,11 +156,27 @@ static void vl_api_classify_add_del_session_t_handler advance = ntohl (mp->advance); action = mp->action; metadata = ntohl (mp->metadata); + match_len = ntohl (mp->match_len); + + if (pool_is_free_index (cm->tables, table_index)) + { + rv = VNET_API_ERROR_NO_SUCH_TABLE; + goto out; + } + + t = pool_elt_at_index (cm->tables, table_index); + + if (match_len != (t->skip_n_vectors + t->match_n_vectors) * sizeof (u32x4)) + { + rv = VNET_API_ERROR_INVALID_VALUE; + goto out; + } rv = vnet_classify_add_del_session (cm, table_index, mp->match, hit_next_index, opaque_index, advance, action, metadata, mp->is_add); +out: REPLY_MACRO (VL_API_CLASSIFY_ADD_DEL_SESSION_REPLY); } |