DGNum/hostapd
6
0
Fork 0
Code Issues Pull requests 1 Projects Releases Packages Wiki Activity Actions

HS 2.0: Send Terms and Conditions Acceptance notification

Browse source 
This extends hostapd Access-Accept processing to check if the RADIUS
server indicated that Terms and Conditions Acceptance is required. The
new hs20_t_c_server_url parameter is used to specify the server URL
template that the STA is requested to visit.

This commit does not enable any kind of filtering, i.e., only the part
of forwarding a request from Access-Accept to the STA using
WNM-Notification is covered.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Jouni Malinen 2018-04-24 00:05:44 +03:00 • committed by Jouni Malinen
parent 6cb8f4f382
commit 8760b9848c
10 changed files with 92 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

43
src/ap/hs20.c
View file

@ -175,3 +175,46 @@ int hs20_send_wnm_notification_deauth_req(struct hostapd_data *hapd,
return ret;
}
int hs20_send_wnm_notification_t_c(struct hostapd_data *hapd,
const u8 *addr)
{
struct wpabuf *buf;
int ret;
const char *url = hapd->conf->t_c_server_url, *pos;
size_t url_len;
if (!url)
return -1;
pos = os_strstr(url, "@1@");
if (!pos)
return -1;
url_len = os_strlen(url) + ETH_ALEN * 3 - 1 - 3;
buf = wpabuf_alloc(4 + 7 + url_len);
if (!buf)
return -1;
wpabuf_put_u8(buf, WLAN_ACTION_WNM);
wpabuf_put_u8(buf, WNM_NOTIFICATION_REQ);
wpabuf_put_u8(buf, 1); /* Dialog token */
wpabuf_put_u8(buf, 1); /* Type - 1 reserved for WFA */
/* Terms and Conditions Acceptance subelement */
wpabuf_put_u8(buf, WLAN_EID_VENDOR_SPECIFIC);
wpabuf_put_u8(buf, 4 + 1 + url_len);
wpabuf_put_be24(buf, OUI_WFA);
wpabuf_put_u8(buf, HS20_WNM_T_C_ACCEPTANCE);
wpabuf_put_u8(buf, url_len);
wpabuf_put_data(buf, url, pos - url);
wpabuf_printf(buf, MACSTR, MAC2STR(addr));
wpabuf_put_str(buf, pos + 3);
ret = hostapd_drv_send_action(hapd, hapd->iface->freq, 0, addr,
wpabuf_head(buf), wpabuf_len(buf));
wpabuf_free(buf);
return ret;
}