430 /* Find a fingerprint in the list */
432 pf_osfp_find(struct pf_os_fingerprint *find, u_int8_t ttldiff)  in pf_osfp_find()  argument
441 			if (f->_field != find->_field)			\  in pf_osfp_find()
444 			if (f->_field == 0 || find->_field % f->_field)	\  in pf_osfp_find()
450 		if (f->fp_tcpopts != find->fp_tcpopts ||  in pf_osfp_find()
451 		    f->fp_optcnt != find->fp_optcnt ||  in pf_osfp_find()
452 		    f->fp_ttl < find->fp_ttl ||  in pf_osfp_find()
453 		    f->fp_ttl - find->fp_ttl > ttldiff ||  in pf_osfp_find()
455 		    (find->fp_flags & (PF_OSFP_DF|PF_OSFP_TS0)))  in pf_osfp_find()
463 				if (find->fp_mss == 0)  in pf_osfp_find()
470 				if ((find->fp_wsize % find->fp_mss ||  in pf_osfp_find()
471 				    find->fp_wsize / find->fp_mss !=  in pf_osfp_find()
473 				    (find->fp_wsize % SMART_MSS ||  in pf_osfp_find()
474 				    find->fp_wsize / SMART_MSS !=  in pf_osfp_find()
478 				if (find->fp_mss == 0)  in pf_osfp_find()
483 				if ((find->fp_wsize % (find->fp_mss + MTUOFF) ||  in pf_osfp_find()
484 				    find->fp_wsize / (find->fp_mss + MTUOFF) !=  in pf_osfp_find()
486 				    (find->fp_wsize % SMART_MTU ||  in pf_osfp_find()
487 				    find->fp_wsize / SMART_MTU !=  in pf_osfp_find()
491 				if (f->fp_wsize == 0 || find->fp_wsize %  in pf_osfp_find()
495 				if (f->fp_wsize != find->fp_wsize)  in pf_osfp_find()
505 /* Find an exact fingerprint in the list */
507 pf_osfp_find_exact(struct pf_os_fingerprint *find)  in pf_osfp_find_exact()  argument
514 		if (f->fp_tcpopts == find->fp_tcpopts &&  in pf_osfp_find_exact()
515 		    f->fp_wsize == find->fp_wsize &&  in pf_osfp_find_exact()
516 		    f->fp_psize == find->fp_psize &&  in pf_osfp_find_exact()
517 		    f->fp_mss == find->fp_mss &&  in pf_osfp_find_exact()
518 		    f->fp_flags == find->fp_flags &&  in pf_osfp_find_exact()
519 		    f->fp_optcnt == find->fp_optcnt &&  in pf_osfp_find_exact()
520 		    f->fp_wscale == find->fp_wscale &&  in pf_osfp_find_exact()
521 		    f->fp_ttl == find->fp_ttl)  in pf_osfp_find_exact()
584 	struct pf_os_fingerprint *f, *f2, find;  in pf_osfp_validate()  local
589 		memcpy(&find, f, sizeof(find));  in pf_osfp_validate()
592 		if (find.fp_mss == 0)  in pf_osfp_validate()
593 			find.fp_mss = 128;  in pf_osfp_validate()
595 			find.fp_wsize *= find.fp_mss;  in pf_osfp_validate()
597 			find.fp_wsize *= (find.fp_mss + 40);  in pf_osfp_validate()
599 			find.fp_wsize *= 2;  in pf_osfp_validate()
600 		if (f != (f2 = pf_osfp_find(&find, 0))) {  in pf_osfp_validate()
613 				    "Couldn't find \"%s %s %s\"\n",  in pf_osfp_validate()