X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/8f6bca398ba7d2ed1ae084ff1643e6c7c8de9196..77493011a78df00e5ba285d56fa97c816c088ceb:/print-bootp.c

diff --git a/print-bootp.c b/print-bootp.c
index 1594a398..9b163564 100644
--- a/print-bootp.c
+++ b/print-bootp.c
@@ -21,25 +21,24 @@
  * Format and print bootp packets.
  */
 
+#define NETDISSECT_REWORKED
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #include <tcpdump-stdinc.h>
 
-#include <stdio.h>
 #include <string.h>
 
 #include "interface.h"
 #include "addrtoname.h"
 #include "extract.h"
-#include "ether.h"
 #include "bootp.h"
 
 static const char tstr[] = " [|bootp]";
 
-static void rfc1048_print(const u_char *);
-static void cmu_print(const u_char *);
+static void rfc1048_print(netdissect_options *, const u_char *);
+static void cmu_print(netdissect_options *, const u_char *);
 static char *client_fqdn_flags(u_int flags);
 
 static const struct tok bootp_flag_values[] = {
@@ -57,117 +56,118 @@ static const struct tok bootp_op_values[] = {
  * Print bootp requests
  */
 void
-bootp_print(register const u_char *cp, u_int length)
+bootp_print(netdissect_options *ndo,
+            register const u_char *cp, u_int length)
 {
 	register const struct bootp *bp;
 	static const u_char vm_cmu[4] = VM_CMU;
 	static const u_char vm_rfc1048[4] = VM_RFC1048;
 
 	bp = (const struct bootp *)cp;
-	TCHECK(bp->bp_op);
+	ND_TCHECK(bp->bp_op);
 
-        printf("BOOTP/DHCP, %s",
-	       tok2str(bootp_op_values, "unknown (0x%02x)", bp->bp_op));
+	ND_PRINT((ndo, "BOOTP/DHCP, %s",
+	          tok2str(bootp_op_values, "unknown (0x%02x)", bp->bp_op)));
 
 	if (bp->bp_htype == 1 && bp->bp_hlen == 6 && bp->bp_op == BOOTPREQUEST) {
-		TCHECK2(bp->bp_chaddr[0], 6);
-		printf(" from %s", etheraddr_string(bp->bp_chaddr));
+		ND_TCHECK2(bp->bp_chaddr[0], 6);
+		ND_PRINT((ndo, " from %s", etheraddr_string(bp->bp_chaddr)));
 	}
 
-        printf(", length %u", length);
+	ND_PRINT((ndo, ", length %u", length));
 
-        if (!vflag)
-            return;
+	if (!ndo->ndo_vflag)
+		return;
 
-	TCHECK(bp->bp_secs);
+	ND_TCHECK(bp->bp_secs);
 
 	/* The usual hardware address type is 1 (10Mb Ethernet) */
 	if (bp->bp_htype != 1)
-		printf(", htype %d", bp->bp_htype);
+		ND_PRINT((ndo, ", htype %d", bp->bp_htype));
 
 	/* The usual length for 10Mb Ethernet address is 6 bytes */
 	if (bp->bp_htype != 1 || bp->bp_hlen != 6)
-		printf(", hlen %d", bp->bp_hlen);
+		ND_PRINT((ndo, ", hlen %d", bp->bp_hlen));
 
 	/* Only print interesting fields */
 	if (bp->bp_hops)
-		printf(", hops %d", bp->bp_hops);
+		ND_PRINT((ndo, ", hops %d", bp->bp_hops));
 	if (EXTRACT_32BITS(&bp->bp_xid))
-		printf(", xid 0x%x", EXTRACT_32BITS(&bp->bp_xid));
+		ND_PRINT((ndo, ", xid 0x%x", EXTRACT_32BITS(&bp->bp_xid)));
 	if (EXTRACT_16BITS(&bp->bp_secs))
-		printf(", secs %d", EXTRACT_16BITS(&bp->bp_secs));
+		ND_PRINT((ndo, ", secs %d", EXTRACT_16BITS(&bp->bp_secs)));
 
-	printf(", Flags [%s]",
-		bittok2str(bootp_flag_values, "none", EXTRACT_16BITS(&bp->bp_flags)));
-	if (vflag > 1)
-		printf(" (0x%04x)", EXTRACT_16BITS(&bp->bp_flags));
+	ND_PRINT((ndo, ", Flags [%s]",
+		bittok2str(bootp_flag_values, "none", EXTRACT_16BITS(&bp->bp_flags))));
+	if (ndo->ndo_vflag > 1)
+		ND_PRINT((ndo, " (0x%04x)", EXTRACT_16BITS(&bp->bp_flags)));
 
 	/* Client's ip address */
-	TCHECK(bp->bp_ciaddr);
+	ND_TCHECK(bp->bp_ciaddr);
 	if (EXTRACT_32BITS(&bp->bp_ciaddr.s_addr))
-		printf("\n\t  Client-IP %s", ipaddr_string(&bp->bp_ciaddr));
+		ND_PRINT((ndo, "\n\t  Client-IP %s", ipaddr_string(&bp->bp_ciaddr)));
 
 	/* 'your' ip address (bootp client) */
-	TCHECK(bp->bp_yiaddr);
+	ND_TCHECK(bp->bp_yiaddr);
 	if (EXTRACT_32BITS(&bp->bp_yiaddr.s_addr))
-		printf("\n\t  Your-IP %s", ipaddr_string(&bp->bp_yiaddr));
+		ND_PRINT((ndo, "\n\t  Your-IP %s", ipaddr_string(&bp->bp_yiaddr)));
 
 	/* Server's ip address */
-	TCHECK(bp->bp_siaddr);
+	ND_TCHECK(bp->bp_siaddr);
 	if (EXTRACT_32BITS(&bp->bp_siaddr.s_addr))
-		printf("\n\t  Server-IP %s", ipaddr_string(&bp->bp_siaddr));
+		ND_PRINT((ndo, "\n\t  Server-IP %s", ipaddr_string(&bp->bp_siaddr)));
 
 	/* Gateway's ip address */
-	TCHECK(bp->bp_giaddr);
+	ND_TCHECK(bp->bp_giaddr);
 	if (EXTRACT_32BITS(&bp->bp_giaddr.s_addr))
-		printf("\n\t  Gateway-IP %s", ipaddr_string(&bp->bp_giaddr));
+		ND_PRINT((ndo, "\n\t  Gateway-IP %s", ipaddr_string(&bp->bp_giaddr)));
 
 	/* Client's Ethernet address */
 	if (bp->bp_htype == 1 && bp->bp_hlen == 6) {
-		TCHECK2(bp->bp_chaddr[0], 6);
-		printf("\n\t  Client-Ethernet-Address %s", etheraddr_string(bp->bp_chaddr));
+		ND_TCHECK2(bp->bp_chaddr[0], 6);
+		ND_PRINT((ndo, "\n\t  Client-Ethernet-Address %s", etheraddr_string(bp->bp_chaddr)));
 	}
 
-	TCHECK2(bp->bp_sname[0], 1);		/* check first char only */
+	ND_TCHECK2(bp->bp_sname[0], 1);		/* check first char only */
 	if (*bp->bp_sname) {
-		printf("\n\t  sname \"");
-		if (fn_print(bp->bp_sname, snapend)) {
-			putchar('"');
-			fputs(tstr + 1, stdout);
+		ND_PRINT((ndo, "\n\t  sname \""));
+		if (fn_print(bp->bp_sname, ndo->ndo_snapend)) {
+			ND_PRINT((ndo, "\""));
+			ND_PRINT((ndo, tstr + 1));
 			return;
 		}
-		putchar('"');
+		ND_PRINT((ndo, "\""));
 	}
-	TCHECK2(bp->bp_file[0], 1);		/* check first char only */
+	ND_TCHECK2(bp->bp_file[0], 1);		/* check first char only */
 	if (*bp->bp_file) {
-		printf("\n\t  file \"");
-		if (fn_print(bp->bp_file, snapend)) {
-			putchar('"');
-			fputs(tstr + 1, stdout);
+		ND_PRINT((ndo, "\n\t  file \""));
+		if (fn_print(bp->bp_file, ndo->ndo_snapend)) {
+			ND_PRINT((ndo, "\""));
+			ND_PRINT((ndo, tstr + 1));
 			return;
 		}
-		putchar('"');
+		ND_PRINT((ndo, "\""));
 	}
 
 	/* Decode the vendor buffer */
-	TCHECK(bp->bp_vend[0]);
+	ND_TCHECK(bp->bp_vend[0]);
 	if (memcmp((const char *)bp->bp_vend, vm_rfc1048,
 		 sizeof(u_int32_t)) == 0)
-		rfc1048_print(bp->bp_vend);
+		rfc1048_print(ndo, bp->bp_vend);
 	else if (memcmp((const char *)bp->bp_vend, vm_cmu,
 		      sizeof(u_int32_t)) == 0)
-		cmu_print(bp->bp_vend);
+		cmu_print(ndo, bp->bp_vend);
 	else {
 		u_int32_t ul;
 
 		ul = EXTRACT_32BITS(&bp->bp_vend);
 		if (ul != 0)
-			printf("\n\t  Vendor-#0x%x", ul);
+			ND_PRINT((ndo, "\n\t  Vendor-#0x%x", ul));
 	}
 
 	return;
 trunc:
-	fputs(tstr, stdout);
+	ND_PRINT((ndo, tstr));
 }
 
 /*
@@ -360,7 +360,8 @@ static const struct tok agent_suboption_values[] = {
 
 
 static void
-rfc1048_print(register const u_char *bp)
+rfc1048_print(netdissect_options *ndo,
+              register const u_char *bp)
 {
 	register u_int16_t tag;
 	register u_int len;
@@ -371,21 +372,21 @@ rfc1048_print(register const u_char *bp)
 	u_int16_t us;
 	u_int8_t uc, subopt, suboptlen;
 
-	printf("\n\t  Vendor-rfc1048 Extensions");
+	ND_PRINT((ndo, "\n\t  Vendor-rfc1048 Extensions"));
 
 	/* Step over magic cookie */
-        printf("\n\t    Magic Cookie 0x%08x", EXTRACT_32BITS(bp));
+	ND_PRINT((ndo, "\n\t    Magic Cookie 0x%08x", EXTRACT_32BITS(bp)));
 	bp += sizeof(int32_t);
 
 	/* Loop while we there is a tag left in the buffer */
-	while (TTEST2(*bp, 1)) {
+	while (ND_TTEST2(*bp, 1)) {
 		tag = *bp++;
-		if (tag == TAG_PAD && vflag < 3)
+		if (tag == TAG_PAD && ndo->ndo_vflag < 3)
 			continue;
-		if (tag == TAG_END && vflag < 3)
+		if (tag == TAG_END && ndo->ndo_vflag < 3)
 			return;
 		if (tag == TAG_EXTENDED_OPTION) {
-			TCHECK2(*(bp + 1), 2);
+			ND_TCHECK2(*(bp + 1), 2);
 			tag = EXTRACT_16BITS(bp + 1);
 			/* XXX we don't know yet if the IANA will
 			 * preclude overlap of 1-byte and 2-byte spaces.
@@ -400,32 +401,32 @@ rfc1048_print(register const u_char *bp)
 			len = 0;
 		else {
 			/* Get the length; check for truncation */
-			TCHECK2(*bp, 1);
+			ND_TCHECK2(*bp, 1);
 			len = *bp++;
 		}
 
-		printf("\n\t    %s Option %u, length %u%s", cp, tag, len,
-		    len > 0 ? ": " : "");
+		ND_PRINT((ndo, "\n\t    %s Option %u, length %u%s", cp, tag, len,
+		    len > 0 ? ": " : ""));
 
-		if (tag == TAG_PAD && vflag > 2) {
+		if (tag == TAG_PAD && ndo->ndo_vflag > 2) {
 			u_int ntag = 1;
-			while (TTEST2(*bp, 1) && *bp == TAG_PAD) {
+			while (ND_TTEST2(*bp, 1) && *bp == TAG_PAD) {
 				bp++;
 				ntag++;
 			}
 			if (ntag > 1)
-				printf(", occurs %u", ntag);
+				ND_PRINT((ndo, ", occurs %u", ntag));
 		}
 
-		if (!TTEST2(*bp, len)) {
-			printf("[|rfc1048 %u]", len);
+		if (!ND_TTEST2(*bp, len)) {
+			ND_PRINT((ndo, "[|rfc1048 %u]", len));
 			return;
 		}
 
 		if (tag == TAG_DHCP_MESSAGE && len == 1) {
 			uc = *bp++;
-                        printf("%s", tok2str(dhcp_msg_values, "Unknown (%u)", uc));
-                        continue;
+			ND_PRINT((ndo, "%s", tok2str(dhcp_msg_values, "Unknown (%u)", uc)));
+			continue;
 		}
 
 		if (tag == TAG_PARM_REQUEST) {
@@ -434,10 +435,10 @@ rfc1048_print(register const u_char *bp)
 				uc = *bp++;
 				cp = tok2str(tag2str, "?Option %u", uc);
 				if (idx % 4 == 0)
-					printf("\n\t      ");
+					ND_PRINT((ndo, "\n\t      "));
 				else
-					printf(", ");
-				printf("%s", cp + 1);
+					ND_PRINT((ndo, ", "));
+				ND_PRINT((ndo, "%s", cp + 1));
 				idx++;
 			}
 			continue;
@@ -451,8 +452,8 @@ rfc1048_print(register const u_char *bp)
 				bp += 2;
 				cp = tok2str(xtag2str, "?xT%u", us);
 				if (!first)
-					putchar('+');
-				printf("%s", cp + 1);
+					ND_PRINT((ndo, "+"));
+				ND_PRINT((ndo, "%s", cp + 1));
 				first = 0;
 			}
 			continue;
@@ -473,12 +474,12 @@ rfc1048_print(register const u_char *bp)
 
 		case 'a':
 			/* ascii strings */
-			putchar('"');
-			if (fn_printn(bp, len, snapend)) {
-				putchar('"');
+			ND_PRINT((ndo, "\""));
+			if (fn_printn(bp, len, ndo->ndo_snapend)) {
+				ND_PRINT((ndo, "\""));
 				goto trunc;
 			}
-			putchar('"');
+			ND_PRINT((ndo, "\""));
 			bp += len;
 			len = 0;
 			break;
@@ -489,15 +490,15 @@ rfc1048_print(register const u_char *bp)
 			/* ip addresses/32-bit words */
 			while (len >= sizeof(ul)) {
 				if (!first)
-					putchar(',');
+					ND_PRINT((ndo, ","));
 				ul = EXTRACT_32BITS(bp);
 				if (c == 'i') {
 					ul = htonl(ul);
-					printf("%s", ipaddr_string(&ul));
+					ND_PRINT((ndo, "%s", ipaddr_string(&ul)));
 				} else if (c == 'L')
-					printf("%d", ul);
+					ND_PRINT((ndo, "%d", ul));
 				else
-					printf("%u", ul);
+					ND_PRINT((ndo, "%u", ul));
 				bp += sizeof(ul);
 				len -= sizeof(ul);
 				first = 0;
@@ -508,12 +509,12 @@ rfc1048_print(register const u_char *bp)
 			/* IP address pairs */
 			while (len >= 2*sizeof(ul)) {
 				if (!first)
-					putchar(',');
+					ND_PRINT((ndo, ","));
 				memcpy((char *)&ul, (const char *)bp, sizeof(ul));
-				printf("(%s:", ipaddr_string(&ul));
+				ND_PRINT((ndo, "(%s:", ipaddr_string(&ul)));
 				bp += sizeof(ul);
 				memcpy((char *)&ul, (const char *)bp, sizeof(ul));
-				printf("%s)", ipaddr_string(&ul));
+				ND_PRINT((ndo, "%s)", ipaddr_string(&ul)));
 				bp += sizeof(ul);
 				len -= 2*sizeof(ul);
 				first = 0;
@@ -524,9 +525,9 @@ rfc1048_print(register const u_char *bp)
 			/* shorts */
 			while (len >= sizeof(us)) {
 				if (!first)
-					putchar(',');
+					ND_PRINT((ndo, ","));
 				us = EXTRACT_16BITS(bp);
-				printf("%u", us);
+				ND_PRINT((ndo, "%u", us));
 				bp += sizeof(us);
 				len -= sizeof(us);
 				first = 0;
@@ -537,16 +538,16 @@ rfc1048_print(register const u_char *bp)
 			/* boolean */
 			while (len > 0) {
 				if (!first)
-					putchar(',');
+					ND_PRINT((ndo, ","));
 				switch (*bp) {
 				case 0:
-					putchar('N');
+					ND_PRINT((ndo, "N"));
 					break;
 				case 1:
-					putchar('Y');
+					ND_PRINT((ndo, "Y"));
 					break;
 				default:
-					printf("%u?", *bp);
+					ND_PRINT((ndo, "%u?", *bp));
 					break;
 				}
 				++bp;
@@ -561,11 +562,11 @@ rfc1048_print(register const u_char *bp)
 			/* Bytes */
 			while (len > 0) {
 				if (!first)
-					putchar(c == 'x' ? ':' : '.');
+					ND_PRINT((ndo, c == 'x' ? ":" : "."));
 				if (c == 'x')
-					printf("%02x", *bp);
+					ND_PRINT((ndo, "%02x", *bp));
 				else
-					printf("%u", *bp);
+					ND_PRINT((ndo, "%u", *bp));
 				++bp;
 				--len;
 				first = 0;
@@ -579,48 +580,48 @@ rfc1048_print(register const u_char *bp)
 			case TAG_NETBIOS_NODE:
 				/* this option should be at least 1 byte long */
 				if (len < 1)  {
-					printf("ERROR: option %u len %u < 1 bytes",
-					    TAG_NETBIOS_NODE, len);
+					ND_PRINT((ndo, "ERROR: option %u len %u < 1 bytes",
+					    TAG_NETBIOS_NODE, len));
 					break;
 				}
 				tag = *bp++;
 				--len;
-				fputs(tok2str(nbo2str, NULL, tag), stdout);
+				ND_PRINT((ndo, "%s", tok2str(nbo2str, NULL, tag)));
 				break;
 
 			case TAG_OPT_OVERLOAD:
 				/* this option should be at least 1 byte long */
 				if (len < 1)  {
-					printf("ERROR: option %u len %u < 1 bytes",
-					    TAG_OPT_OVERLOAD, len);
+					ND_PRINT((ndo, "ERROR: option %u len %u < 1 bytes",
+					    TAG_OPT_OVERLOAD, len));
 					break;
 				}
 				tag = *bp++;
 				--len;
-				fputs(tok2str(oo2str, NULL, tag), stdout);
+				ND_PRINT((ndo, "%s", tok2str(oo2str, NULL, tag)));
 				break;
 
 			case TAG_CLIENT_FQDN:
 				/* this option should be at least 3 bytes long */
 				if (len < 3)  {
-					printf("ERROR: option %u len %u < 3 bytes",
-					    TAG_CLIENT_FQDN, len);
+					ND_PRINT((ndo, "ERROR: option %u len %u < 3 bytes",
+					    TAG_CLIENT_FQDN, len));
 					bp += len;
 					len = 0;
 					break;
 				}
 				if (*bp)
-					printf("[%s] ", client_fqdn_flags(*bp));
+					ND_PRINT((ndo, "[%s] ", client_fqdn_flags(*bp)));
 				bp++;
 				if (*bp || *(bp+1))
-					printf("%u/%u ", *bp, *(bp+1));
+					ND_PRINT((ndo, "%u/%u ", *bp, *(bp+1)));
 				bp += 2;
-				putchar('"');
-				if (fn_printn(bp, len - 3, snapend)) {
-					putchar('"');
+				ND_PRINT((ndo, "\""));
+				if (fn_printn(bp, len - 3, ndo->ndo_snapend)) {
+					ND_PRINT((ndo, "\""));
 					goto trunc;
 				}
-				putchar('"');
+				ND_PRINT((ndo, "\""));
 				bp += len - 3;
 				len = 0;
 				break;
@@ -630,28 +631,28 @@ rfc1048_print(register const u_char *bp)
 
 				/* this option should be at least 1 byte long */
 				if (len < 1)  {
-					printf("ERROR: option %u len %u < 1 bytes",
-					    TAG_CLIENT_ID, len);
+					ND_PRINT((ndo, "ERROR: option %u len %u < 1 bytes",
+					    TAG_CLIENT_ID, len));
 					break;
 				}
 				type = *bp++;
 				len--;
 				if (type == 0) {
-					putchar('"');
-					if (fn_printn(bp, len, snapend)) {
-						putchar('"');
+					ND_PRINT((ndo, "\""));
+					if (fn_printn(bp, len, ndo->ndo_snapend)) {
+						ND_PRINT((ndo, "\""));
 						goto trunc;
 					}
-					putchar('"');
+					ND_PRINT((ndo, "\""));
 					bp += len;
 					len = 0;
 					break;
 				} else {
-					printf("%s ", tok2str(arp2str, "hardware-type %u,", type));
+					ND_PRINT((ndo, "%s ", tok2str(arp2str, "hardware-type %u,", type)));
 					while (len > 0) {
 						if (!first)
-							putchar(':');
-						printf("%02x", *bp);
+							ND_PRINT((ndo, ":"));
+						ND_PRINT((ndo, "%02x", *bp));
 						++bp;
 						--len;
 						first = 0;
@@ -666,28 +667,28 @@ rfc1048_print(register const u_char *bp)
 					suboptlen = *bp++;
 					len -= 2;
 					if (suboptlen > len) {
-						printf("\n\t      %s SubOption %u, length %u: length goes past end of option",
+						ND_PRINT((ndo, "\n\t      %s SubOption %u, length %u: length goes past end of option",
 						   tok2str(agent_suboption_values, "Unknown", subopt),
 						   subopt,
-						   suboptlen);
+						   suboptlen));
 						bp += len;
 						len = 0;
 						break;
 					}
-					printf("\n\t      %s SubOption %u, length %u: ",
+					ND_PRINT((ndo, "\n\t      %s SubOption %u, length %u: ",
 					   tok2str(agent_suboption_values, "Unknown", subopt),
 					   subopt,
-					   suboptlen);
+					   suboptlen));
 					switch (subopt) {
 
-                                        case AGENT_SUBOPTION_CIRCUIT_ID: /* fall through */
-                                        case AGENT_SUBOPTION_REMOTE_ID:
-                                        case AGENT_SUBOPTION_SUBSCRIBER_ID:
-                                                fn_printn(bp, suboptlen, NULL);
-                                                break;
+					case AGENT_SUBOPTION_CIRCUIT_ID: /* fall through */
+					case AGENT_SUBOPTION_REMOTE_ID:
+					case AGENT_SUBOPTION_SUBSCRIBER_ID:
+						fn_printn(bp, suboptlen, NULL);
+						break;
 
 					default:
-						print_unknown_data(gndo,bp, "\n\t\t", suboptlen);
+						print_unknown_data(ndo, bp, "\n\t\t", suboptlen);
 					}
 
 					len -= suboptlen;
@@ -702,20 +703,20 @@ rfc1048_print(register const u_char *bp)
 
 				/* this option should be at least 5 bytes long */
 				if (len < 5)  {
-					printf("ERROR: option %u len %u < 5 bytes",
-					    TAG_CLASSLESS_STATIC_RT, len);
+					ND_PRINT((ndo, "ERROR: option %u len %u < 5 bytes",
+					    TAG_CLASSLESS_STATIC_RT, len));
 					bp += len;
 					len = 0;
 					break;
 				}
 				while (len > 0) {
 					if (!first)
-						putchar(',');
+						ND_PRINT((ndo, ","));
 					mask_width = *bp++;
 					len--;
 					/* mask_width <= 32 */
 					if (mask_width > 32) {
-						printf("[ERROR: Mask width (%d) > 32]",  mask_width);
+						ND_PRINT((ndo, "[ERROR: Mask width (%d) > 32]",  mask_width));
 						bp += len;
 						len = 0;
 						break;
@@ -723,26 +724,26 @@ rfc1048_print(register const u_char *bp)
 					significant_octets = (mask_width + 7) / 8;
 					/* significant octets + router(4) */
 					if (len < significant_octets + 4) {
-						printf("[ERROR: Remaining length (%u) < %u bytes]",  len, significant_octets + 4);
+						ND_PRINT((ndo, "[ERROR: Remaining length (%u) < %u bytes]",  len, significant_octets + 4));
 						bp += len;
 						len = 0;
 						break;
 					}
-					putchar('(');
+					ND_PRINT((ndo, "("));
 					if (mask_width == 0)
-						printf("default");
+						ND_PRINT((ndo, "default"));
 					else {
 						for (i = 0; i < significant_octets ; i++) {
 							if (i > 0)
-								putchar('.');
-							printf("%d", *bp++);
+								ND_PRINT((ndo, "."));
+							ND_PRINT((ndo, "%d", *bp++));
 						}
 						for (i = significant_octets ; i < 4 ; i++)
-							printf(".0");
-						printf("/%d", mask_width);
+							ND_PRINT((ndo, ".0"));
+						ND_PRINT((ndo, "/%d", mask_width));
 					}
 					memcpy((char *)&ul, (const char *)bp, sizeof(ul));
-					printf(":%s)", ipaddr_string(&ul));
+					ND_PRINT((ndo, ":%s)", ipaddr_string(&ul)));
 					bp += sizeof(ul);
 					len -= (significant_octets + 4);
 					first = 0;
@@ -751,8 +752,8 @@ rfc1048_print(register const u_char *bp)
 			break;
 
 			default:
-				printf("[unknown special tag %u, size %u]",
-				    tag, len);
+				ND_PRINT((ndo, "[unknown special tag %u, size %u]",
+				    tag, len));
 				bp += len;
 				len = 0;
 				break;
@@ -761,31 +762,32 @@ rfc1048_print(register const u_char *bp)
 		}
 		/* Data left over? */
 		if (len) {
-			printf("\n\t  trailing data length %u", len);
+			ND_PRINT((ndo, "\n\t  trailing data length %u", len));
 			bp += len;
 		}
 	}
 	return;
 trunc:
-	printf("|[rfc1048]");
+	ND_PRINT((ndo, "|[rfc1048]"));
 }
 
 static void
-cmu_print(register const u_char *bp)
+cmu_print(netdissect_options *ndo,
+          register const u_char *bp)
 {
 	register const struct cmu_vend *cmu;
 
-#define PRINTCMUADDR(m, s) { TCHECK(cmu->m); \
+#define PRINTCMUADDR(m, s) { ND_TCHECK(cmu->m); \
     if (cmu->m.s_addr != 0) \
-	printf(" %s:%s", s, ipaddr_string(&cmu->m.s_addr)); }
+	ND_PRINT((ndo, " %s:%s", s, ipaddr_string(&cmu->m.s_addr))); }
 
-	printf(" vend-cmu");
+	ND_PRINT((ndo, " vend-cmu"));
 	cmu = (const struct cmu_vend *)bp;
 
 	/* Only print if there are unknown bits */
-	TCHECK(cmu->v_flags);
+	ND_TCHECK(cmu->v_flags);
 	if ((cmu->v_flags & ~(VF_SMASK)) != 0)
-		printf(" F:0x%x", cmu->v_flags);
+		ND_PRINT((ndo, " F:0x%x", cmu->v_flags));
 	PRINTCMUADDR(v_dgate, "DG");
 	PRINTCMUADDR(v_smask, cmu->v_flags & VF_SMASK ? "SM" : "SM*");
 	PRINTCMUADDR(v_dns1, "NS1");
@@ -797,7 +799,7 @@ cmu_print(register const u_char *bp)
 	return;
 
 trunc:
-	fputs(tstr, stdout);
+	ND_PRINT((ndo, tstr));
 #undef PRINTCMUADDR
 }