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P2PS: Validate WPS config methods more accurately in PD Request

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In case of a P2PS PD, allow keypad, display, and P2PS WPS config
methods. For a legacy PD, allow keypad, display, and pushbutton methods.

Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
This commit is contained in:
Andrei Otcheretianski 2015-07-02 10:45:01 +03:00 committed by Jouni Malinen
parent ea210b9f8a
commit 2fc866d1bc
1 changed files with 7 additions and 3 deletions
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10
src/p2p/p2p_pd.c
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@ -418,6 +418,7 @@ void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa,
u8 group_mac[ETH_ALEN];
int passwd_id = DEV_PW_DEFAULT;
u16 config_methods;
u16 allowed_config_methods = WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD;
if (p2p_parse(data, len, &msg))
return;
@ -441,9 +442,12 @@ void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa,
dev->info.wfd_subelems = wpabuf_dup(msg.wfd_subelems);
}
if (!(msg.wps_config_methods &
(WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD |
WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_P2PS))) {
if (msg.adv_id)
allowed_config_methods |= WPS_CONFIG_P2PS;
else
allowed_config_methods |= WPS_CONFIG_PUSHBUTTON;
if (!(msg.wps_config_methods & allowed_config_methods)) {
p2p_dbg(p2p, "Unsupported Config Methods in Provision Discovery Request");
goto out;
}