contrib/tcpdump/print-bootp.c

68 	register const struct bootp *bp;
72 	bp = (const struct bootp *)cp;
73 	TCHECK(bp->bp_op);
76 	       tok2str(bootp_op_values, "unknown (0x%02x)", bp->bp_op));
78 	if (bp->bp_htype == 1 && bp->bp_hlen == 6 && bp->bp_op == BOOTPREQUEST) {
79 		TCHECK2(bp->bp_chaddr[0], 6);
80 		printf(" from %s", etheraddr_string(bp->bp_chaddr));
88 	TCHECK(bp->bp_secs);
91 	if (bp->bp_htype != 1)
92 		printf(", htype %d", bp->bp_htype);
95 	if (bp->bp_htype != 1 || bp->bp_hlen != 6)
96 		printf(", hlen %d", bp->bp_hlen);
99 	if (bp->bp_hops)
100 		printf(", hops %d", bp->bp_hops);
101 	if (bp->bp_xid)
102 		printf(", xid 0x%x", EXTRACT_32BITS(&bp->bp_xid));
103 	if (bp->bp_secs)
104 		printf(", secs %d", EXTRACT_16BITS(&bp->bp_secs));
107 		bittok2str(bootp_flag_values, "none", EXTRACT_16BITS(&bp->bp_flags)));
109 		printf(" (0x%04x)", EXTRACT_16BITS(&bp->bp_flags));
112 	TCHECK(bp->bp_ciaddr);
113 	if (bp->bp_ciaddr.s_addr)
114 		printf("\n\t  Client-IP %s", ipaddr_string(&bp->bp_ciaddr));
117 	TCHECK(bp->bp_yiaddr);
118 	if (bp->bp_yiaddr.s_addr)
119 		printf("\n\t  Your-IP %s", ipaddr_string(&bp->bp_yiaddr));
122 	TCHECK(bp->bp_siaddr);
123 	if (bp->bp_siaddr.s_addr)
124 		printf("\n\t  Server-IP %s", ipaddr_string(&bp->bp_siaddr));
127 	TCHECK(bp->bp_giaddr);
128 	if (bp->bp_giaddr.s_addr)
129 		printf("\n\t  Gateway-IP %s", ipaddr_string(&bp->bp_giaddr));
132 	if (bp->bp_htype == 1 && bp->bp_hlen == 6) {
133 		TCHECK2(bp->bp_chaddr[0], 6);
134 		printf("\n\t  Client-Ethernet-Address %s", etheraddr_string(bp->bp_chaddr));
137 	TCHECK2(bp->bp_sname[0], 1);		/* check first char only */
138 	if (*bp->bp_sname) {
140 		if (fn_print(bp->bp_sname, snapend)) {
147 	TCHECK2(bp->bp_file[0], 1);		/* check first char only */
148 	if (*bp->bp_file) {
150 		if (fn_print(bp->bp_file, snapend)) {
159 	TCHECK(bp->bp_vend[0]);
160 	if (memcmp((const char *)bp->bp_vend, vm_rfc1048,
162 		rfc1048_print(bp->bp_vend);
163 	else if (memcmp((const char *)bp->bp_vend, vm_cmu,
165 		cmu_print(bp->bp_vend);
169 		ul = EXTRACT_32BITS(&bp->bp_vend);
369 rfc1048_print(register const u_char *bp)
383         printf("\n\t    Magic Cookie 0x%08x", EXTRACT_32BITS(bp));
384 	bp += sizeof(int32_t);
387 	while (TTEST2(*bp, 1)) {
388 		tag = *bp++;
394 			TCHECK2(*(bp + 1), 2);
395 			tag = EXTRACT_16BITS(bp + 1);
409 			TCHECK2(*bp, 1);
410 			len = *bp++;
418 			while (TTEST2(*bp, 1) && *bp == TAG_PAD) {
419 				bp++;
426 		if (!TTEST2(*bp, len)) {
432 			uc = *bp++;
440 				uc = *bp++;
456 				us = EXTRACT_16BITS(bp);
457 				bp += 2;
483 			if (fn_printn(bp, len, snapend)) {
488 			bp += len;
499 				ul = EXTRACT_32BITS(bp);
507 				bp += sizeof(ul);
518 				memcpy((char *)&ul, (const char *)bp, sizeof(ul));
520 				bp += sizeof(ul);
521 				memcpy((char *)&ul, (const char *)bp, sizeof(ul));
523 				bp += sizeof(ul);
534 				us = EXTRACT_16BITS(bp);
536 				bp += sizeof(us);
547 				switch (*bp) {
555 					printf("%u?", *bp);
558 				++bp;
572 					printf("%02x", *bp);
574 					printf("%u", *bp);
575 				++bp;
592 				tag = *bp++;
604 				tag = *bp++;
614 					bp += len;
618 				if (*bp)
619 					printf("[%s] ", client_fqdn_flags(*bp));
620 				bp++;
621 				if (*bp || *(bp+1))
622 					printf("%u/%u ", *bp, *(bp+1));
623 				bp += 2;
625 				if (fn_printn(bp, len - 3, snapend)) {
630 				bp += len - 3;
643 				type = *bp++;
647 					if (fn_printn(bp, len, snapend)) {
652 					bp += len;
660 						printf("%02x", *bp);
661 						++bp;
671 					subopt = *bp++;
672 					suboptlen = *bp++;
679 						bp += len;
692                                                 fn_printn(bp, suboptlen, NULL);
696 						print_unknown_data(bp, "\n\t\t", suboptlen);
700 					bp += suboptlen;
713 					bp += len;
720 					mask_width = *bp++;
725 						bp += len;
733 						bp += len;
744 							printf("%d", *bp++);
750 					memcpy((char *)&ul, (const char *)bp, sizeof(ul));
752 					bp += sizeof(ul);
762 				bp += len;
771 			bp += len;
780 cmu_print(register const u_char *bp)
789 	cmu = (const struct cmu_vend *)bp;