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eapol: Use eapol_sm_write in authenticator mode

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Throughout the supplicant mode we'd use the eapol_sm_write wrapper but
in the authenticator mode we'd call __eapol_tx_packet directly.  Adapt
eapol_sm_write to use the right destination address and use it
consistently.
This commit is contained in:
Andrew Zaborowski 2020-08-13 02:50:15 +02:00 committed by Denis Kenzior
parent 225a28f364
commit 8a5861d3f5
1 changed files with 7 additions and 8 deletions
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15
src/eapol.c
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@ -904,8 +904,11 @@ void eapol_sm_set_user_data(struct eapol_sm *sm, void *user_data)
static void eapol_sm_write(struct eapol_sm *sm, const struct eapol_frame *ef,
bool noencrypt)
{
__eapol_tx_packet(sm->handshake->ifindex, sm->handshake->aa, ETH_P_PAE,
ef, noencrypt);
const uint8_t *dst = sm->handshake->authenticator ?
sm->handshake->spa : sm->handshake->aa;
__eapol_tx_packet(sm->handshake->ifindex, dst, ETH_P_PAE, ef,
noencrypt);
}
static inline void handshake_failed(struct eapol_sm *sm, uint16_t reason_code)
@ -1024,7 +1027,6 @@ static void eapol_set_key_timeout(struct eapol_sm *sm,
/* 802.11-2016 Section 12.7.6.2 */
static void eapol_send_ptk_1_of_4(struct eapol_sm *sm)
{
uint32_t ifindex = sm->handshake->ifindex;
const uint8_t *aa = sm->handshake->aa;
uint8_t frame_buf[512];
struct eapol_key *ek = (struct eapol_key *) frame_buf;
@ -1062,8 +1064,7 @@ static void eapol_send_ptk_1_of_4(struct eapol_sm *sm)
l_debug("STA: "MAC" retries=%u", MAC_STR(sm->handshake->spa),
sm->frame_retry);
__eapol_tx_packet(ifindex, sm->handshake->spa, ETH_P_PAE,
(struct eapol_frame *) ek, false);
eapol_sm_write(sm, (struct eapol_frame *) ek, false);
}
static void eapol_ptk_1_of_4_retry(struct l_timeout *timeout, void *user_data)
@ -1265,7 +1266,6 @@ error_unspecified:
/* 802.11-2016 Section 12.7.6.4 */
static void eapol_send_ptk_3_of_4(struct eapol_sm *sm)
{
uint32_t ifindex = sm->handshake->ifindex;
uint8_t frame_buf[512];
unsigned int rsne_len = sm->handshake->authenticator_ie[1] + 2;
uint8_t key_data_buf[128 + rsne_len];
@ -1335,8 +1335,7 @@ static void eapol_send_ptk_3_of_4(struct eapol_sm *sm)
l_debug("STA: "MAC" retries=%u", MAC_STR(sm->handshake->spa),
sm->frame_retry);
__eapol_tx_packet(ifindex, sm->handshake->spa, ETH_P_PAE,
(struct eapol_frame *) ek, false);
eapol_sm_write(sm, (struct eapol_frame *) ek, false);
}
static void eapol_ptk_3_of_4_retry(struct l_timeout *timeout,