55 static void eap_wsc_state(struct eap_wsc_data *data, int state)  in eap_wsc_state()  argument
58 		   eap_wsc_state_txt(data->state),  in eap_wsc_state()
60 	data->state = state;  in eap_wsc_state()
67 	struct eap_wsc_data *data = timeout_ctx;  in eap_wsc_ext_reg_timeout()  local
74 	data->ext_reg_timeout = 1;  in eap_wsc_ext_reg_timeout()
81 	struct eap_wsc_data *data;  in eap_wsc_init()  local
99 	data = os_zalloc(sizeof(*data));  in eap_wsc_init()
100 	if (data == NULL)  in eap_wsc_init()
102 	data->state = registrar ? START : MESG;  in eap_wsc_init()
103 	data->registrar = registrar;  in eap_wsc_init()
112 			os_free(data);  in eap_wsc_init()
144 	data->wps = wps_init(&cfg);  in eap_wsc_init()
145 	if (data->wps == NULL) {  in eap_wsc_init()
146 		os_free(data);  in eap_wsc_init()
149 	data->fragment_size = sm->cfg->fragment_size > 0 ?  in eap_wsc_init()
152 	return data;  in eap_wsc_init()
158 	struct eap_wsc_data *data = priv;  in eap_wsc_reset()  local
159 	eloop_cancel_timeout(eap_wsc_ext_reg_timeout, sm, data);  in eap_wsc_reset()
160 	wpabuf_free(data->in_buf);  in eap_wsc_reset()
161 	wpabuf_free(data->out_buf);  in eap_wsc_reset()
162 	wps_deinit(data->wps);  in eap_wsc_reset()
163 	os_free(data);  in eap_wsc_reset()
168 					   struct eap_wsc_data *data, u8 id)  in eap_wsc_build_start()  argument
188 static struct wpabuf * eap_wsc_build_msg(struct eap_wsc_data *data, u8 id)  in eap_wsc_build_msg()  argument
195 	send_len = wpabuf_len(data->out_buf) - data->out_used;  in eap_wsc_build_msg()
196 	if (2 + send_len > data->fragment_size) {  in eap_wsc_build_msg()
197 		send_len = data->fragment_size - 2;  in eap_wsc_build_msg()
199 		if (data->out_used == 0) {  in eap_wsc_build_msg()
215 	wpabuf_put_u8(req, data->out_op_code); /* Op-Code */  in eap_wsc_build_msg()
218 		wpabuf_put_be16(req, wpabuf_len(data->out_buf));  in eap_wsc_build_msg()
220 	wpabuf_put_data(req, wpabuf_head_u8(data->out_buf) + data->out_used,  in eap_wsc_build_msg()
222 	data->out_used += send_len;  in eap_wsc_build_msg()
224 	if (data->out_used == wpabuf_len(data->out_buf)) {  in eap_wsc_build_msg()
228 		wpabuf_free(data->out_buf);  in eap_wsc_build_msg()
229 		data->out_buf = NULL;  in eap_wsc_build_msg()
230 		data->out_used = 0;  in eap_wsc_build_msg()
231 		eap_wsc_state(data, MESG);  in eap_wsc_build_msg()
235 			   (unsigned long) wpabuf_len(data->out_buf) -  in eap_wsc_build_msg()
236 			   data->out_used);  in eap_wsc_build_msg()
237 		eap_wsc_state(data, WAIT_FRAG_ACK);  in eap_wsc_build_msg()
246 	struct eap_wsc_data *data = priv;  in eap_wsc_buildReq()  local
248 	switch (data->state) {  in eap_wsc_buildReq()
250 		return eap_wsc_build_start(sm, data, id);  in eap_wsc_buildReq()
252 		if (data->out_buf == NULL) {  in eap_wsc_buildReq()
253 			data->out_buf = wps_get_msg(data->wps,  in eap_wsc_buildReq()
254 						    &data->out_op_code);  in eap_wsc_buildReq()
255 			if (data->out_buf == NULL) {  in eap_wsc_buildReq()
260 			data->out_used = 0;  in eap_wsc_buildReq()
264 		return eap_wsc_build_msg(data, id);  in eap_wsc_buildReq()
269 			   "buildReq", data->state);  in eap_wsc_buildReq()
292 static int eap_wsc_process_cont(struct eap_wsc_data *data,  in eap_wsc_process_cont()  argument
296 	if (op_code != data->in_op_code) {  in eap_wsc_process_cont()
299 			   op_code, data->in_op_code);  in eap_wsc_process_cont()
300 		eap_wsc_state(data, FAIL);  in eap_wsc_process_cont()
304 	if (len > wpabuf_tailroom(data->in_buf)) {  in eap_wsc_process_cont()
306 		eap_wsc_state(data, FAIL);  in eap_wsc_process_cont()
310 	wpabuf_put_data(data->in_buf, buf, len);  in eap_wsc_process_cont()
313 		   (unsigned long) wpabuf_tailroom(data->in_buf));  in eap_wsc_process_cont()
319 static int eap_wsc_process_fragment(struct eap_wsc_data *data,  in eap_wsc_process_fragment()  argument
324 	if (data->in_buf == NULL && !(flags & WSC_FLAGS_LF)) {  in eap_wsc_process_fragment()
330 	if (data->in_buf == NULL) {  in eap_wsc_process_fragment()
332 		data->in_buf = wpabuf_alloc(message_length);  in eap_wsc_process_fragment()
333 		if (data->in_buf == NULL) {  in eap_wsc_process_fragment()
338 		data->in_op_code = op_code;  in eap_wsc_process_fragment()
339 		wpabuf_put_data(data->in_buf, buf, len);  in eap_wsc_process_fragment()
343 			   (unsigned long) wpabuf_tailroom(data->in_buf));  in eap_wsc_process_fragment()
353 	struct eap_wsc_data *data = priv;  in eap_wsc_process()  local
361 	eloop_cancel_timeout(eap_wsc_ext_reg_timeout, sm, data);  in eap_wsc_process()
362 	if (data->ext_reg_timeout) {  in eap_wsc_process()
363 		eap_wsc_state(data, FAIL);  in eap_wsc_process()
396 	if (data->state == WAIT_FRAG_ACK) {  in eap_wsc_process()
400 			eap_wsc_state(data, FAIL);  in eap_wsc_process()
404 		eap_wsc_state(data, MESG);  in eap_wsc_process()
412 		eap_wsc_state(data, FAIL);  in eap_wsc_process()
416 	if (data->in_buf &&  in eap_wsc_process()
417 	    eap_wsc_process_cont(data, pos, end - pos, op_code) < 0) {  in eap_wsc_process()
418 		eap_wsc_state(data, FAIL);  in eap_wsc_process()
423 		if (eap_wsc_process_fragment(data, flags, op_code,  in eap_wsc_process()
426 			eap_wsc_state(data, FAIL);  in eap_wsc_process()
428 			eap_wsc_state(data, FRAG_ACK);  in eap_wsc_process()
432 	if (data->in_buf == NULL) {  in eap_wsc_process()
435 		data->in_buf = &tmpbuf;  in eap_wsc_process()
438 	res = wps_process_msg(data->wps, op_code, data->in_buf);  in eap_wsc_process()
443 		eap_wsc_state(data, FAIL);  in eap_wsc_process()
446 		eap_wsc_state(data, MESG);  in eap_wsc_process()
450 		eap_wsc_state(data, FAIL);  in eap_wsc_process()
453 		eap_wsc_state(data, MESG);  in eap_wsc_process()
455 		eloop_cancel_timeout(eap_wsc_ext_reg_timeout, sm, data);  in eap_wsc_process()
457 				       sm, data);  in eap_wsc_process()
461 	if (data->in_buf != &tmpbuf)  in eap_wsc_process()
462 		wpabuf_free(data->in_buf);  in eap_wsc_process()
463 	data->in_buf = NULL;  in eap_wsc_process()
469 	struct eap_wsc_data *data = priv;  in eap_wsc_isDone()  local
470 	return data->state == FAIL;  in eap_wsc_isDone()