netpfil/pf/pf_osfp.c

344 pf_osfp_find(struct pf_osfp_list *list, struct pf_os_fingerprint *find,
352 			if (f->_field != find->_field)			\
355 			if (f->_field == 0 || find->_field % f->_field)	\
361 		if (f->fp_tcpopts != find->fp_tcpopts ||
362 		    f->fp_optcnt != find->fp_optcnt ||
363 		    f->fp_ttl < find->fp_ttl ||
364 		    f->fp_ttl - find->fp_ttl > ttldiff ||
366 		    (find->fp_flags & (PF_OSFP_DF|PF_OSFP_TS0)))
374 				if (find->fp_mss == 0)
382 				if ((find->fp_wsize % find->fp_mss ||
383 				    find->fp_wsize / find->fp_mss !=
385 				    (find->fp_wsize % SMART_MSS ||
386 				    find->fp_wsize / SMART_MSS !=
390 				if (find->fp_mss == 0)
395 				if ((find->fp_wsize % (find->fp_mss + MTUOFF) ||
396 				    find->fp_wsize / (find->fp_mss + MTUOFF) !=
398 				    (find->fp_wsize % SMART_MTU ||
399 				    find->fp_wsize / SMART_MTU !=
403 				if (f->fp_wsize == 0 || find->fp_wsize %
407 				if (f->fp_wsize != find->fp_wsize)
419 pf_osfp_find_exact(struct pf_osfp_list *list, struct pf_os_fingerprint *find)
424 		if (f->fp_tcpopts == find->fp_tcpopts &&
425 		    f->fp_wsize == find->fp_wsize &&
426 		    f->fp_psize == find->fp_psize &&
427 		    f->fp_mss == find->fp_mss &&
428 		    f->fp_flags == find->fp_flags &&
429 		    f->fp_optcnt == find->fp_optcnt &&
430 		    f->fp_wscale == find->fp_wscale &&
431 		    f->fp_ttl == find->fp_ttl)
491 	struct pf_os_fingerprint *f, *f2, find;
494 		memcpy(&find, f, sizeof(find));
497 		if (find.fp_mss == 0)
498 			find.fp_mss = 128;
500 			find.fp_wsize *= find.fp_mss;
502 			find.fp_wsize *= (find.fp_mss + 40);
504 			find.fp_wsize *= 2;
505 		if (f != (f2 = pf_osfp_find(&V_pf_osfp_list, &find, 0))) {
516 				printf("Couldn't find \"%s %s %s\"\n",