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FT: Move wpa_ft_rrb_build_r0() special case to caller 

Handle the special case of no PMK-R0 entry in the caller instead of
having to have wpa_ft_rrb_build_r0() aware of the possibility of pmk_r0
being NULL.

Signed-off-by: Michael Braun <michael-dev@fami-braun.de>
This commit is contained in:
Michael Braun 2017-05-18 15:21:54 +02:00 committed by Jouni Malinen
parent 8c345234fd
commit 9fbe292ff3
1 changed files with 11 additions and 11 deletions
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22
src/ap/wpa_auth_ft.c
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@ -3018,11 +3018,6 @@ static int wpa_ft_rrb_build_r0(const u8 *key, const size_t key_len,
{ .type = FT_RRB_LAST_EMPTY, .len = 0, .data = NULL },
};
if (!pmk_r0)
return wpa_ft_rrb_build(key, key_len, tlvs, NULL, tlv_auth,
NULL, src_addr, type,
packet, packet_len);
if (wpa_derive_pmk_r1(pmk_r0->pmk_r0, pmk_r0->pmk_r0_name, r1kh_id,
s1kh_id, pmk_r1, pmk_r1_name) < 0)
return -1;
@ -3172,13 +3167,18 @@ static int wpa_ft_rrb_rx_pull(struct wpa_authenticator *wpa_auth,
resp_auth[4].len = 0;
resp_auth[4].data = NULL;
if (wpa_ft_fetch_pmk_r0(wpa_auth, f_s1kh_id, f_pmk_r0_name, &r0) < 0)
if (wpa_ft_fetch_pmk_r0(wpa_auth, f_s1kh_id, f_pmk_r0_name, &r0) < 0) {
wpa_printf(MSG_DEBUG, "FT: No matching PMK-R0-Name found");
ret = wpa_ft_rrb_build_r0(key, key_len, resp, r0, f_r1kh_id, f_s1kh_id,
resp_auth, wpa_auth->addr,
FT_PACKET_R0KH_R1KH_RESP,
&packet, &packet_len);
ret = wpa_ft_rrb_build(key, key_len, resp, NULL, resp_auth,
NULL, wpa_auth->addr,
FT_PACKET_R0KH_R1KH_RESP,
&packet, &packet_len);
} else {
ret = wpa_ft_rrb_build_r0(key, key_len, resp, r0, f_r1kh_id,
f_s1kh_id, resp_auth, wpa_auth->addr,
FT_PACKET_R0KH_R1KH_RESP,
&packet, &packet_len);
}
if (!ret)
wpa_ft_rrb_oui_send(wpa_auth, src_addr,