Home | History | Annotate | Download | only in netinet

Lines Matching defs:pptp

6  * Simple PPTP transparent proxy for in-kernel use.  For use with the NAT
21  * PPTP proxy
84  * PPTP application proxy initialization.
94 	MUTEX_INIT(&pptpfr.fr_lock, "PPTP proxy rule lock");
110  * Setup for a new PPTP proxy.
118 	pptp_pxy_t *pptp;
138 	KMALLOC(pptp, pptp_pxy_t *);
139 	if (pptp == NULL) {
146 		KFREE(pptp);
150 	aps->aps_data = pptp;
151 	aps->aps_psiz = sizeof(*pptp);
152 	bzero((char *)pptp, sizeof(*pptp));
154 	pptp->pptp_rule = ipn;
179 	MUTEX_INIT(&ipn->in_lock, "pptp proxy NAT rule");
189 	pptp->pptp_side[0].pptps_wptr = pptp->pptp_side[0].pptps_buffer;
190 	pptp->pptp_side[1].pptps_wptr = pptp->pptp_side[1].pptps_buffer;
196 ipf_p_pptp_donatstate(fr_info_t *fin, nat_t *nat, pptp_pxy_t *pptp)
208 	nat2 = pptp->pptp_nat;
209 	if ((nat2 == NULL) || (pptp->pptp_state == NULL)) {
216 			fi.fin_data[0] = pptp->pptp_call[0];
217 			fi.fin_data[1] = pptp->pptp_call[1];
219 			fi.fin_data[0] = pptp->pptp_call[1];
220 			fi.fin_data[1] = pptp->pptp_call[0];
244 		nat2 = ipf_nat_add(&fi, pptp->pptp_rule, &pptp->pptp_nat,
256 	if (pptp->pptp_state != NULL) {
257 		ipf_queueback(softc->ipf_ticks, &pptp->pptp_state->is_sti);
268 		(void) ipf_state_add(softc, &fi, &pptp->pptp_state, 0);
276  * Try and build up the next PPTP message in the TCP stream and if we can
281 ipf_p_pptp_nextmessage(fr_info_t *fin, nat_t *nat, pptp_pxy_t *pptp, int rev)
295 	pptps = &pptp->pptp_side[rev];
325 			 * PPTP has an 8 byte header that inclues the cookie.
383 		ipf_p_pptp_message(fin, nat, pptp, pptps);
399  * handle a complete PPTP message
402 ipf_p_pptp_message(fr_info_t *fin, nat_t *nat, pptp_pxy_t *pptp,
410 		ipf_p_pptp_mctl(fin, nat, pptp, pptps);
421  * handle a complete PPTP control message
424 ipf_p_pptp_mctl(fr_info_t *fin, nat_t *nat, pptp_pxy_t *pptp,
430 	if (pptps == &pptp->pptp_side[0])
431 		pptpo = &pptp->pptp_side[1];
433 		pptpo = &pptp->pptp_side[0];
468 			pptp->pptp_call[0] = buffer[7];
469 			pptp->pptp_call[1] = buffer[6];
470 			ipf_p_pptp_donatstate(fin, nat, pptp);
479 			pptp->pptp_call[0] = buffer[7];
480 			pptp->pptp_call[1] = buffer[6];
481 			ipf_p_pptp_donatstate(fin, nat, pptp);
506  * For outgoing PPTP packets.  refresh timeouts for NAT & state entries, if
512 	pptp_pxy_t *pptp;
525 		pptp = (pptp_pxy_t *)aps->aps_data;
526 		pptp->pptp_side[1 - rev].pptps_next = ntohl(tcp->th_ack);
527 		pptp->pptp_side[1 - rev].pptps_nexthdr = ntohl(tcp->th_ack);
528 		pptp->pptp_side[rev].pptps_next = ntohl(tcp->th_seq) + 1;
529 		pptp->pptp_side[rev].pptps_nexthdr = ntohl(tcp->th_seq) + 1;
542 	pptp_pxy_t *pptp;
544 	pptp = aps->aps_data;
546 	if (pptp != NULL) {
553 		if (pptp->pptp_state != NULL) {
554 			ipf_state_setpending(softc, pptp->pptp_state);
558 		if (pptp->pptp_nat != NULL)
559 			ipf_nat_setpending(softc, pptp->pptp_nat);
560 		pptp->pptp_rule->in_flags |= IPN_DELETE;
561 		ipf_nat_rule_deref(softc, &pptp->pptp_rule);