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GAS: Send error response if no room for pending dialog context

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Instead of silently dropping the response that requires fragmentation,
send an error response to the station to make it aware that no full
response will be available.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2014-05-25 18:34:10 +03:00
parent 745f87715e
commit d73c7b9626
1 changed files with 10 additions and 7 deletions
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17
src/ap/gas_serv.c
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@ -989,14 +989,17 @@ static void gas_serv_req_local_processing(struct hostapd_data *hapd,
"for " MACSTR " (dialog token %u)", "for " MACSTR " (dialog token %u)",
MAC2STR(sa), dialog_token); MAC2STR(sa), dialog_token);
wpabuf_free(buf); wpabuf_free(buf);
return; tx_buf = gas_anqp_build_initial_resp_buf(
dialog_token, WLAN_STATUS_UNSPECIFIED_FAILURE,
0, NULL);
} else {
di->prot = prot;
di->sd_resp = buf;
di->sd_resp_pos = 0;
tx_buf = gas_anqp_build_initial_resp_buf(
dialog_token, WLAN_STATUS_SUCCESS,
comeback_delay, NULL);
} }
di->prot = prot;
di->sd_resp = buf;
di->sd_resp_pos = 0;
tx_buf = gas_anqp_build_initial_resp_buf(
dialog_token, WLAN_STATUS_SUCCESS, comeback_delay,
NULL);
} else { } else {
wpa_printf(MSG_DEBUG, "ANQP: Initial response (no comeback)"); wpa_printf(MSG_DEBUG, "ANQP: Initial response (no comeback)");
tx_buf = gas_anqp_build_initial_resp_buf( tx_buf = gas_anqp_build_initial_resp_buf(