130 	memset(&pcb->chap_server, 0, sizeof(chap_server_state));  in chap_init()
142 	pcb->chap_server.flags |= LOWERUP;  in chap_lowerup()
143 	if (pcb->chap_server.flags & AUTH_STARTED)  in chap_lowerup()
152 	if (pcb->chap_server.flags & TIMEOUT_PENDING)  in chap_lowerdown()
154 	pcb->chap_server.flags = 0;  in chap_lowerdown()
168 	if (pcb->chap_server.flags & AUTH_STARTED) {  in chap_auth_peer()
179 	pcb->chap_server.digest = dp;  in chap_auth_peer()
180 	pcb->chap_server.name = our_name;  in chap_auth_peer()
182 	pcb->chap_server.id = magic();  in chap_auth_peer()
183 	pcb->chap_server.flags |= AUTH_STARTED;  in chap_auth_peer()
184 	if (pcb->chap_server.flags & LOWERUP)  in chap_auth_peer()
227 	pcb->chap_server.flags &= ~TIMEOUT_PENDING;  in chap_timeout()
228 	if ((pcb->chap_server.flags & CHALLENGE_VALID) == 0) {  in chap_timeout()
229 		pcb->chap_server.challenge_xmits = 0;  in chap_timeout()
231 		pcb->chap_server.flags |= CHALLENGE_VALID;  in chap_timeout()
232 	} else if (pcb->chap_server.challenge_xmits >= pcb->settings.chap_max_transmits) {  in chap_timeout()
233 		pcb->chap_server.flags &= ~CHALLENGE_VALID;  in chap_timeout()
234 		pcb->chap_server.flags |= AUTH_DONE | AUTH_FAILED;  in chap_timeout()
239 	p = pbuf_alloc(PBUF_RAW, (u16_t)(pcb->chap_server.challenge_pktlen), PPP_CTRL_PBUF_TYPE);  in chap_timeout()
246 	MEMCPY(p->payload, pcb->chap_server.challenge, pcb->chap_server.challenge_pktlen);  in chap_timeout()
248 	++pcb->chap_server.challenge_xmits;  in chap_timeout()
249 	pcb->chap_server.flags |= TIMEOUT_PENDING;  in chap_timeout()
261 	p = pcb->chap_server.challenge;  in chap_generate_challenge()
264 	pcb->chap_server.digest->generate_challenge(pcb, p);  in chap_generate_challenge()
266 	nlen = strlen(pcb->chap_server.name);  in chap_generate_challenge()
267 	memcpy(p + 1 + clen, pcb->chap_server.name, nlen);  in chap_generate_challenge()
270 	pcb->chap_server.challenge_pktlen = PPP_HDRLEN + len;  in chap_generate_challenge()
272 	p = pcb->chap_server.challenge + PPP_HDRLEN;  in chap_generate_challenge()
274 	p[1] = ++pcb->chap_server.id;  in chap_generate_challenge()
296 	if ((pcb->chap_server.flags & LOWERUP) == 0)
298 	if (id != pcb->chap_server.challenge[PPP_HDRLEN+1] || len < 2)
300 	if (pcb->chap_server.flags & CHALLENGE_VALID) {
308 		if (pcb->chap_server.flags & TIMEOUT_PENDING) {
309 			pcb->chap_server.flags &= ~TIMEOUT_PENDING;
328 		ok = (*verifier)(name, pcb->chap_server.name, id, pcb->chap_server.digest,
329 				 pcb->chap_server.challenge + PPP_HDRLEN + CHAP_HDRLEN,
330 				 response, pcb->chap_server.message, sizeof(pcb->chap_server.message));
332 		ok = chap_verify_response(pcb, name, pcb->chap_server.name, id, pcb->chap_server.digest,
333                     pcb->chap_server.challenge + PPP_HDRLEN + CHAP_HDRLEN,
339 			pcb->chap_server.flags |= AUTH_FAILED;
342 	} else if ((pcb->chap_server.flags & AUTH_DONE) == 0)
359 	outp[0] = (pcb->chap_server.flags & AUTH_FAILED)? CHAP_FAILURE: CHAP_SUCCESS;
367 	if (pcb->chap_server.flags & CHALLENGE_VALID) {
368 		pcb->chap_server.flags &= ~CHALLENGE_VALID;
369 		if (!(pcb->chap_server.flags & AUTH_DONE) && !(pcb->chap_server.flags & AUTH_FAILED)) {
383 			pcb->chap_server.flags |= AUTH_FAILED;
389 		if (pcb->chap_server.flags & AUTH_FAILED) {
392 			if ((pcb->chap_server.flags & AUTH_DONE) == 0)
394 						  pcb->chap_server.digest->code,
397 				pcb->chap_server.flags |= TIMEOUT_PENDING;
402 		pcb->chap_server.flags |= AUTH_DONE;
569 	if (pcb->chap_server.flags & TIMEOUT_PENDING) {
570 		pcb->chap_server.flags &= ~TIMEOUT_PENDING;
573 	if (pcb->chap_server.flags & AUTH_STARTED) {
574 		pcb->chap_server.flags = 0;