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Make IEEE 802.11 IE parser aware of P2P IE

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This does not handle fragmented IEs and is only used to check quickly
whether the IE blob includes any P2P IE(s).
This commit is contained in:
Jouni Malinen 2010-07-18 14:30:24 -07:00 committed by Jouni Malinen
parent dd6cc5a20c
commit 91a9464528
2 changed files with 18 additions and 0 deletions
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16
src/common/ieee802_11_common.c
View File

@ -96,6 +96,22 @@ static int ieee802_11_parse_vendor_specific(const u8 *pos, size_t elen,
} }
break; break;
case OUI_WFA:
switch (pos[3]) {
case P2P_OUI_TYPE:
/* Wi-Fi Alliance - P2P IE */
elems->p2p = pos;
elems->p2p_len = elen;
break;
default:
wpa_printf(MSG_MSGDUMP, "Unknown WFA "
"information element ignored "
"(type=%d len=%lu)\n",
pos[3], (unsigned long) elen);
return -1;
}
break;
case OUI_BROADCOM: case OUI_BROADCOM:
switch (pos[3]) { switch (pos[3]) {
case VENDOR_HT_CAPAB_OUI_TYPE: case VENDOR_HT_CAPAB_OUI_TYPE:

2
src/common/ieee802_11_common.h
View File

@ -40,6 +40,7 @@ struct ieee802_11_elems {
const u8 *ht_capabilities; const u8 *ht_capabilities;
const u8 *ht_operation; const u8 *ht_operation;
const u8 *vendor_ht_cap; const u8 *vendor_ht_cap;
const u8 *p2p;
u8 ssid_len; u8 ssid_len;
u8 supp_rates_len; u8 supp_rates_len;
@ -64,6 +65,7 @@ struct ieee802_11_elems {
u8 ht_capabilities_len; u8 ht_capabilities_len;
u8 ht_operation_len; u8 ht_operation_len;
u8 vendor_ht_cap_len; u8 vendor_ht_cap_len;
u8 p2p_len;
}; };
typedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes; typedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes;