usr.sbin/snoop/snoop_dhcp.c

267 	unsigned char *start, save;
277 	start = cp;
280 	while (start < end) {
281 		if (*start == CD_PAD) {
282 			start++;
285 		if (*start == CD_END)
288 		save = *start++;
297 			if (*start != 4) {
301 				start++;
303 				    &start);
332 			if ((*start % 4) != 0) {
337 				items = *start++ / 4;
339 				    option_types[save], &start);
353 			display_ascii("%s = %s", option_types[save], &start);
366 			    &start);
379 			    &start);
386 			    &start);
393 			display_ascii_hex(option_types[save], &start);
397 			    "Boot file size", &start);
400 			if ((*start % 8) != 0) {
404 				items = *start++ / 8;
409 					    &start);
411 					    &start);
416 			if (*start % 2 != 0) {
424 				items = *start / sizeof (ushort_t);
425 				++start;
427 					if (IS_P2ALIGNED(start,
430 						s_buf = *(ushort_t *)start;
433 						    start, sizeof (short));
438 					start += sizeof (ushort_t);
443 			if ((*start % 8) != 0) {
446 				    *start);
448 				items = *start++ / 8;
450 					memcpy((char *)&tmp, start,
453 					start += sizeof (ulong_t);
454 					memcpy((char *)&tmp, start,
459 					start += sizeof (ulong_t);
464 			i = *start++;
472 			vend = (uchar_t *)((uchar_t *)start + i);
473 			while (start < vend && *start != CD_END) {
474 				if (*start == CD_PAD) {
475 					start++;
479 				    "\t(%.2d) %.2d octets", *start,
480 				    *(uchar_t *)((uchar_t *)start + 1));
481 				start++;
482 				display_ascii_hex(scratch, &start);
484 			start = vend;	/* in case CD_END found */
487 			if (*start != 1) {
493 				start++;
494 				switch (*start) {
514 				    type, *start);
515 				start++;
519 			if (*start != 1) {
523 				start++;
524 				nooverload = *start++;
528 			if (*start < 1 || *start > 7) {
532 				start++;
535 				    show_msgtype(*start));
536 				start++;
540 			opt_len = *start++;
545 				if (*start < OPTIONS_ARRAY_SIZE) {
546 					prmpt = option_types[*start];
550 					    ITAB_CONS_SNOOP, *start);
552 						if (*start >= DHCP_SITE_OPT &&
553 						    *start <= DHCP_END_SITE) {
564 				    "\t%2d (%s)", *start, prmpt);
565 				start++;
570 			opt_len = *start++;
587 				decoded_opt = inittab_decode(entry, start,
594 				start--;
595 				display_ascii_hex("\tValue =", &start);
599 				start += opt_len;