Kernel/iwd
3
0
Fork 0
mirror of https://git.kernel.org/pub/scm/network/wireless/iwd.git synced 2025-01-20 09:24:24 +01:00
Code Releases Activity

eap-wsc: Add re-transmission handler for WSC

Browse Source
This commit is contained in:
Tim Kourt 2016-11-30 15:57:25 -08:00 committed by Denis Kenzior
parent f21698095b
commit 4a8fdc4b33
1 changed files with 54 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
src/eap-wsc.c
View File

@ -1042,6 +1042,59 @@ invalid_frag:
eap_method_error(eap);
}
static void eap_wsc_handle_retransmit(struct eap_state *eap,
const uint8_t *pkt, size_t len)
{
struct eap_wsc_state *wsc = eap_get_data(eap);
uint8_t op;
uint8_t flags;
if (len < 2)
return;
op = pkt[0];
switch (op) {
case WSC_OP_NACK:
eap_wsc_handle_nack(eap, pkt + 2, len - 2);
return;
case WSC_OP_ACK:
case WSC_OP_DONE:
/* Should never receive these as Enrollee */
return;
case WSC_OP_MSG:
flags = pkt[1];
if (flags & WSC_FLAG_MF) {
if (!wsc->rx_pdu_buf) {
eap_method_error(eap);
return;
}
eap_wsc_send_frag_ack(eap);
return;
}
}
if (!wsc->sent_pdu || !wsc->sent_len) {
eap_method_error(eap);
return;
}
if (wsc->sent_len + EAP_WSC_HEADER_LEN > eap_get_mtu(eap)) {
eap_wsc_send_fragment(eap);
} else {
size_t msg_len = wsc->sent_len + EAP_WSC_HEADER_LEN;
uint8_t buf[msg_len];
buf[12] = WSC_OP_MSG;
buf[13] = 0;
memcpy(buf + EAP_WSC_HEADER_LEN, wsc->sent_pdu, wsc->sent_len);
eap_send_response(eap, EAP_TYPE_EXPANDED, buf, msg_len);
}
}
static bool load_hexencoded(struct l_settings *settings, const char *key,
uint8_t *to, size_t len)
{
@ -1275,6 +1328,7 @@ static struct eap_method eap_wsc = {
.probe = eap_wsc_probe,
.remove = eap_wsc_remove,
.handle_request = eap_wsc_handle_request,
.handle_retransmit = eap_wsc_handle_retransmit,
.load_settings = eap_wsc_load_settings,
};