bsd/net/pf_osfp.c

403 pf_osfp_find(struct pf_osfp_list *list, struct pf_os_fingerprint *find,
411 			if (f->_field != find->_field)			\
414 			if (f->_field == 0 || find->_field % f->_field)	\
420 		if (f->fp_tcpopts != find->fp_tcpopts ||
421 		    f->fp_optcnt != find->fp_optcnt ||
422 		    f->fp_ttl < find->fp_ttl ||
423 		    f->fp_ttl - find->fp_ttl > ttldiff ||
425 		    (find->fp_flags & (PF_OSFP_DF|PF_OSFP_TS0)))
433 				if (find->fp_mss == 0)
441 				if ((find->fp_wsize % find->fp_mss ||
442 				    find->fp_wsize / find->fp_mss !=
444 				    (find->fp_wsize % SMART_MSS ||
445 				    find->fp_wsize / SMART_MSS !=
449 				if (find->fp_mss == 0)
454 				if ((find->fp_wsize % (find->fp_mss + MTUOFF) ||
455 				    find->fp_wsize / (find->fp_mss + MTUOFF) !=
457 				    (find->fp_wsize % SMART_MTU ||
458 				    find->fp_wsize / SMART_MTU !=
462 				if (f->fp_wsize == 0 || find->fp_wsize %
466 				if (f->fp_wsize != find->fp_wsize)
478 pf_osfp_find_exact(struct pf_osfp_list *list, struct pf_os_fingerprint *find)
483 		if (f->fp_tcpopts == find->fp_tcpopts &&
484 		    f->fp_wsize == find->fp_wsize &&
485 		    f->fp_psize == find->fp_psize &&
486 		    f->fp_mss == find->fp_mss &&
487 		    f->fp_flags == find->fp_flags &&
488 		    f->fp_optcnt == find->fp_optcnt &&
489 		    f->fp_wscale == find->fp_wscale &&
490 		    f->fp_ttl == find->fp_ttl)
550 	struct pf_os_fingerprint *f, *f2, find;
553 		memcpy(&find, f, sizeof (find));
556 		if (find.fp_mss == 0)
557 			find.fp_mss = 128;
559 			find.fp_wsize *= find.fp_mss;
561 			find.fp_wsize *= (find.fp_mss + 40);
563 			find.fp_wsize *= 2;
564 		if (f != (f2 = pf_osfp_find(&pf_osfp_list, &find, 0))) {
575 				printf("Couldn't find \"%s %s %s\"\n",