pf/net/pf_osfp.c

507 pf_osfp_find(struct pf_osfp_list *list, struct pf_os_fingerprint *find,
515 			if (f->_field != find->_field)			\
518 			if (f->_field == 0 || find->_field % f->_field)	\
524 		if (f->fp_tcpopts != find->fp_tcpopts ||
525 		    f->fp_optcnt != find->fp_optcnt ||
526 		    f->fp_ttl < find->fp_ttl ||
527 		    f->fp_ttl - find->fp_ttl > ttldiff ||
529 		    (find->fp_flags & (PF_OSFP_DF|PF_OSFP_TS0)))
537 				if (find->fp_mss == 0)
545 				if ((find->fp_wsize % find->fp_mss ||
546 				    find->fp_wsize / find->fp_mss !=
548 				    (find->fp_wsize % SMART_MSS ||
549 				    find->fp_wsize / SMART_MSS !=
553 				if (find->fp_mss == 0)
558 				if ((find->fp_wsize % (find->fp_mss + MTUOFF) ||
559 				    find->fp_wsize / (find->fp_mss + MTUOFF) !=
561 				    (find->fp_wsize % SMART_MTU ||
562 				    find->fp_wsize / SMART_MTU !=
566 				if (f->fp_wsize == 0 || find->fp_wsize %
570 				if (f->fp_wsize != find->fp_wsize)
582 pf_osfp_find_exact(struct pf_osfp_list *list, struct pf_os_fingerprint *find)
587 		if (f->fp_tcpopts == find->fp_tcpopts &&
588 		    f->fp_wsize == find->fp_wsize &&
589 		    f->fp_psize == find->fp_psize &&
590 		    f->fp_mss == find->fp_mss &&
591 		    f->fp_flags == find->fp_flags &&
592 		    f->fp_optcnt == find->fp_optcnt &&
593 		    f->fp_wscale == find->fp_wscale &&
594 		    f->fp_ttl == find->fp_ttl)
657 	struct pf_os_fingerprint *f, *f2, find;
664 		memcpy(&find, f, sizeof(find));
667 		if (find.fp_mss == 0)
668 			find.fp_mss = 128;
670 			find.fp_wsize *= find.fp_mss;
672 			find.fp_wsize *= (find.fp_mss + 40);
674 			find.fp_wsize *= 2;
676 		if (f != (f2 = pf_osfp_find(&V_pf_osfp_list, &find, 0))) {
678 		if (f != (f2 = pf_osfp_find(&pf_osfp_list, &find, 0))) {
690 				printf("Couldn't find \"%s %s %s\"\n",