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Simplify VHT Operation element parsing

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Check the element length in the parser and remove the length field from
struct ieee802_11_elems since the element is of fixed length.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2015-04-19 17:03:23 +03:00
parent d6fefd64d2
commit f4b64c603e
2 changed files with 2 additions and 2 deletions
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3
src/common/ieee802_11_common.c
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@ -292,8 +292,9 @@ ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
elems->vht_capabilities = pos;
break;
case WLAN_EID_VHT_OPERATION:
if (elen < sizeof(struct ieee80211_vht_operation))
break;
elems->vht_operation = pos;
elems->vht_operation_len = elen;
break;
case WLAN_EID_VHT_OPERATING_MODE_NOTIFICATION:
if (elen != 1)

1
src/common/ieee802_11_common.h
View file

@ -64,7 +64,6 @@ struct ieee802_11_elems {
u8 mesh_config_len;
u8 mesh_id_len;
u8 peer_mgmt_len;
u8 vht_operation_len;
u8 vendor_ht_cap_len;
u8 vendor_vht_len;
u8 p2p_len;