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WPS: Add support for external Registrars using UPnP transport

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This adds mostly feature complete external Registrar support with the
main missing part being proper support for multiple external Registrars
working at the same time and processing of concurrent registrations when
using an external Registrar.

This code is based on Sony/Saice implementation
(https://www.saice-wpsnfc.bz/) and the changes made by Ted Merrill
(Atheros) to make it more suitable for hostapd design and embedded
systems. Some of the UPnP code is based on Intel's libupnp. Copyrights
and licensing are explained in src/wps/wps_upnp.c in more detail.
This commit is contained in:
Jouni Malinen 2009-01-29 18:47:02 +02:00 • committed by Jouni Malinen
parent 39034ce80f
commit f620268f13
23 changed files with 6273 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

32
src/eap_server/eap_wsc.c
View file

@ -15,6 +15,7 @@
#include "includes.h"
#include "common.h"
#include "eloop.h"
#include "eap_i.h"
#include "eap_common/eap_wsc_common.h"
#include "wps/wps.h"
@ -29,6 +30,7 @@ struct eap_wsc_data {
size_t out_used;
size_t fragment_size;
struct wps_data *wps;
int ext_reg_timeout;
};
@ -62,6 +64,21 @@ static void eap_wsc_state(struct eap_wsc_data *data, int state)
}
static void eap_wsc_ext_reg_timeout(void *eloop_ctx, void *timeout_ctx)
{
struct eap_sm *sm = eloop_ctx;
struct eap_wsc_data *data = timeout_ctx;
if (sm->method_pending != METHOD_PENDING_WAIT)
return;
wpa_printf(MSG_DEBUG, "EAP-WSC: Timeout while waiting for an External "
"Registrar");
data->ext_reg_timeout = 1;
eap_sm_pending_cb(sm);
}
static void * eap_wsc_init(struct eap_sm *sm)
{
struct eap_wsc_data *data;
@ -123,6 +140,7 @@ static void * eap_wsc_init(struct eap_sm *sm)
static void eap_wsc_reset(struct eap_sm *sm, void *priv)
{
struct eap_wsc_data *data = priv;
eloop_cancel_timeout(eap_wsc_ext_reg_timeout, sm, data);
wpabuf_free(data->in_buf);
wpabuf_free(data->out_buf);
wps_deinit(data->wps);
@ -324,6 +342,12 @@ static void eap_wsc_process(struct eap_sm *sm, void *priv,
enum wps_process_res res;
struct wpabuf tmpbuf;
eloop_cancel_timeout(eap_wsc_ext_reg_timeout, sm, data);
if (data->ext_reg_timeout) {
eap_wsc_state(data, FAIL);
return;
}
pos = eap_hdr_validate(EAP_VENDOR_WFA, EAP_VENDOR_TYPE_WSC,
respData, &len);
if (pos == NULL || len < 2)
@ -409,6 +433,14 @@ static void eap_wsc_process(struct eap_sm *sm, void *priv,
wpa_printf(MSG_DEBUG, "EAP-WSC: WPS processing failed");
eap_wsc_state(data, FAIL);
break;
case WPS_PENDING:
eap_wsc_state(data, MSG);
sm->method_pending = METHOD_PENDING_WAIT;
sm->wps->pending_session = sm;
eloop_cancel_timeout(eap_wsc_ext_reg_timeout, sm, data);
eloop_register_timeout(5, 0, eap_wsc_ext_reg_timeout,
sm, data);
break;
}
if (data->in_buf != &tmpbuf)