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RADIUS DAS: Add Event-Timestamp attribute into ACK/NAK messages

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Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2012-06-17 19:35:03 +03:00
parent 8047a95809
commit ff7e4589ea
1 changed files with 9 additions and 3 deletions
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12
src/radius/radius_das.c
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@ -149,6 +149,7 @@ static void radius_das_receive(int sock, void *eloop_ctx, void *sock_ctx)
struct wpabuf *rbuf;
u32 val;
int res;
struct os_time now;
fromlen = sizeof(from);
len = recvfrom(sock, buf, sizeof(buf), 0,
@ -185,13 +186,11 @@ static void radius_das_receive(int sock, void *eloop_ctx, void *sock_ctx)
goto fail;
}
os_get_time(&now);
res = radius_msg_get_attr(msg, RADIUS_ATTR_EVENT_TIMESTAMP,
(u8 *) &val, 4);
if (res == 4) {
u32 timestamp = ntohl(val);
struct os_time now;
os_get_time(&now);
if (abs(now.sec - timestamp) > das->time_window) {
wpa_printf(MSG_DEBUG, "DAS: Unacceptable "
"Event-Timestamp (%u; local time %u) in "
@ -231,6 +230,13 @@ static void radius_das_receive(int sock, void *eloop_ctx, void *sock_ctx)
if (reply) {
wpa_printf(MSG_DEBUG, "DAS: Reply to %s:%d", abuf, from_port);
if (!radius_msg_add_attr_int32(reply,
RADIUS_ATTR_EVENT_TIMESTAMP,
now.sec)) {
wpa_printf(MSG_DEBUG, "DAS: Failed to add "
"Event-Timestamp attribute");
}
if (radius_msg_finish_das_resp(reply, das->shared_secret,
das->shared_secret_len, hdr) <
0) {