auto import from //depot/cupcake/@135843
diff --git a/print-bootp.c b/print-bootp.c
new file mode 100644
index 0000000..e2086e4
--- /dev/null
+++ b/print-bootp.c
@@ -0,0 +1,825 @@
+/*
+ * Copyright (c) 1990, 1991, 1993, 1994, 1995, 1996, 1997
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code distributions
+ * retain the above copyright notice and this paragraph in its entirety, (2)
+ * distributions including binary code include the above copyright notice and
+ * this paragraph in its entirety in the documentation or other materials
+ * provided with the distribution, and (3) all advertising materials mentioning
+ * features or use of this software display the following acknowledgement:
+ * ``This product includes software developed by the University of California,
+ * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
+ * the University nor the names of its contributors may be used to endorse
+ * or promote products derived from this software without specific prior
+ * written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * Format and print bootp packets.
+ */
+#ifndef lint
+static const char rcsid[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/print-bootp.c,v 1.78.2.9 2007/08/21 22:02:08 guy Exp $ (LBL)";
+#endif
+
+#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 void rfc1048_print(const u_char *);
+static void cmu_print(const u_char *);
+static char *client_fqdn_flags(u_int flags);
+
+static char tstr[] = " [|bootp]";
+
+static const struct tok bootp_flag_values[] = {
+ { 0x8000, "Broadcast" },
+ { 0, NULL}
+};
+
+static const struct tok bootp_op_values[] = {
+ { BOOTPREQUEST, "Request" },
+ { BOOTPREPLY, "Reply" },
+ { 0, NULL}
+};
+
+/*
+ * Print bootp requests
+ */
+void
+bootp_print(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);
+
+ printf("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));
+ }
+
+ printf(", length %u", length);
+
+ if (!vflag)
+ return;
+
+ TCHECK(bp->bp_secs);
+
+ /* The usual hardware address type is 1 (10Mb Ethernet) */
+ if (bp->bp_htype != 1)
+ printf(", 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);
+
+ /* Only print interesting fields */
+ if (bp->bp_hops)
+ printf(", hops %d", bp->bp_hops);
+ if (bp->bp_xid)
+ printf(", xid 0x%x", EXTRACT_32BITS(&bp->bp_xid));
+ if (bp->bp_secs)
+ printf(", 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));
+
+ /* Client's ip address */
+ TCHECK(bp->bp_ciaddr);
+ if (bp->bp_ciaddr.s_addr)
+ printf("\n\t Client-IP %s", ipaddr_string(&bp->bp_ciaddr));
+
+ /* 'your' ip address (bootp client) */
+ TCHECK(bp->bp_yiaddr);
+ if (bp->bp_yiaddr.s_addr)
+ printf("\n\t Your-IP %s", ipaddr_string(&bp->bp_yiaddr));
+
+ /* Server's ip address */
+ TCHECK(bp->bp_siaddr);
+ if (bp->bp_siaddr.s_addr)
+ printf("\n\t Server-IP %s", ipaddr_string(&bp->bp_siaddr));
+
+ /* Gateway's ip address */
+ TCHECK(bp->bp_giaddr);
+ if (bp->bp_giaddr.s_addr)
+ printf("\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));
+ }
+
+ 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);
+ return;
+ }
+ putchar('"');
+ }
+ 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);
+ return;
+ }
+ putchar('"');
+ }
+
+ /* Decode the vendor buffer */
+ TCHECK(bp->bp_vend[0]);
+ if (memcmp((const char *)bp->bp_vend, vm_rfc1048,
+ sizeof(u_int32_t)) == 0)
+ rfc1048_print(bp->bp_vend);
+ else if (memcmp((const char *)bp->bp_vend, vm_cmu,
+ sizeof(u_int32_t)) == 0)
+ cmu_print(bp->bp_vend);
+ else {
+ u_int32_t ul;
+
+ ul = EXTRACT_32BITS(&bp->bp_vend);
+ if (ul != 0)
+ printf("\n\t Vendor-#0x%x", ul);
+ }
+
+ return;
+trunc:
+ fputs(tstr, stdout);
+}
+
+/*
+ * The first character specifies the format to print:
+ * i - ip address (32 bits)
+ * p - ip address pairs (32 bits + 32 bits)
+ * l - long (32 bits)
+ * L - unsigned long (32 bits)
+ * s - short (16 bits)
+ * b - period-seperated decimal bytes (variable length)
+ * x - colon-seperated hex bytes (variable length)
+ * a - ascii string (variable length)
+ * B - on/off (8 bits)
+ * $ - special (explicit code to handle)
+ */
+static struct tok tag2str[] = {
+/* RFC1048 tags */
+ { TAG_PAD, " PAD" },
+ { TAG_SUBNET_MASK, "iSubnet-Mask" }, /* subnet mask (RFC950) */
+ { TAG_TIME_OFFSET, "LTime-Zone" }, /* seconds from UTC */
+ { TAG_GATEWAY, "iDefault-Gateway" }, /* default gateway */
+ { TAG_TIME_SERVER, "iTime-Server" }, /* time servers (RFC868) */
+ { TAG_NAME_SERVER, "iIEN-Name-Server" }, /* IEN name servers (IEN116) */
+ { TAG_DOMAIN_SERVER, "iDomain-Name-Server" }, /* domain name (RFC1035) */
+ { TAG_LOG_SERVER, "iLOG" }, /* MIT log servers */
+ { TAG_COOKIE_SERVER, "iCS" }, /* cookie servers (RFC865) */
+ { TAG_LPR_SERVER, "iLPR-Server" }, /* lpr server (RFC1179) */
+ { TAG_IMPRESS_SERVER, "iIM" }, /* impress servers (Imagen) */
+ { TAG_RLP_SERVER, "iRL" }, /* resource location (RFC887) */
+ { TAG_HOSTNAME, "aHostname" }, /* ascii hostname */
+ { TAG_BOOTSIZE, "sBS" }, /* 512 byte blocks */
+ { TAG_END, " END" },
+/* RFC1497 tags */
+ { TAG_DUMPPATH, "aDP" },
+ { TAG_DOMAINNAME, "aDomain-Name" },
+ { TAG_SWAP_SERVER, "iSS" },
+ { TAG_ROOTPATH, "aRP" },
+ { TAG_EXTPATH, "aEP" },
+/* RFC2132 tags */
+ { TAG_IP_FORWARD, "BIPF" },
+ { TAG_NL_SRCRT, "BSRT" },
+ { TAG_PFILTERS, "pPF" },
+ { TAG_REASS_SIZE, "sRSZ" },
+ { TAG_DEF_TTL, "bTTL" },
+ { TAG_MTU_TIMEOUT, "lMTU-Timeout" },
+ { TAG_MTU_TABLE, "sMTU-Table" },
+ { TAG_INT_MTU, "sMTU" },
+ { TAG_LOCAL_SUBNETS, "BLSN" },
+ { TAG_BROAD_ADDR, "iBR" },
+ { TAG_DO_MASK_DISC, "BMD" },
+ { TAG_SUPPLY_MASK, "BMS" },
+ { TAG_DO_RDISC, "BRouter-Discovery" },
+ { TAG_RTR_SOL_ADDR, "iRSA" },
+ { TAG_STATIC_ROUTE, "pStatic-Route" },
+ { TAG_USE_TRAILERS, "BUT" },
+ { TAG_ARP_TIMEOUT, "lAT" },
+ { TAG_ETH_ENCAP, "BIE" },
+ { TAG_TCP_TTL, "bTT" },
+ { TAG_TCP_KEEPALIVE, "lKI" },
+ { TAG_KEEPALIVE_GO, "BKG" },
+ { TAG_NIS_DOMAIN, "aYD" },
+ { TAG_NIS_SERVERS, "iYS" },
+ { TAG_NTP_SERVERS, "iNTP" },
+ { TAG_VENDOR_OPTS, "bVendor-Option" },
+ { TAG_NETBIOS_NS, "iNetbios-Name-Server" },
+ { TAG_NETBIOS_DDS, "iWDD" },
+ { TAG_NETBIOS_NODE, "$Netbios-Node" },
+ { TAG_NETBIOS_SCOPE, "aNetbios-Scope" },
+ { TAG_XWIN_FS, "iXFS" },
+ { TAG_XWIN_DM, "iXDM" },
+ { TAG_NIS_P_DOMAIN, "sN+D" },
+ { TAG_NIS_P_SERVERS, "iN+S" },
+ { TAG_MOBILE_HOME, "iMH" },
+ { TAG_SMPT_SERVER, "iSMTP" },
+ { TAG_POP3_SERVER, "iPOP3" },
+ { TAG_NNTP_SERVER, "iNNTP" },
+ { TAG_WWW_SERVER, "iWWW" },
+ { TAG_FINGER_SERVER, "iFG" },
+ { TAG_IRC_SERVER, "iIRC" },
+ { TAG_STREETTALK_SRVR, "iSTS" },
+ { TAG_STREETTALK_STDA, "iSTDA" },
+ { TAG_REQUESTED_IP, "iRequested-IP" },
+ { TAG_IP_LEASE, "lLease-Time" },
+ { TAG_OPT_OVERLOAD, "$OO" },
+ { TAG_TFTP_SERVER, "aTFTP" },
+ { TAG_BOOTFILENAME, "aBF" },
+ { TAG_DHCP_MESSAGE, " DHCP-Message" },
+ { TAG_SERVER_ID, "iServer-ID" },
+ { TAG_PARM_REQUEST, "bParameter-Request" },
+ { TAG_MESSAGE, "aMSG" },
+ { TAG_MAX_MSG_SIZE, "sMSZ" },
+ { TAG_RENEWAL_TIME, "lRN" },
+ { TAG_REBIND_TIME, "lRB" },
+ { TAG_VENDOR_CLASS, "aVendor-Class" },
+ { TAG_CLIENT_ID, "$Client-ID" },
+/* RFC 2485 */
+ { TAG_OPEN_GROUP_UAP, "aUAP" },
+/* RFC 2563 */
+ { TAG_DISABLE_AUTOCONF, "BNOAUTO" },
+/* RFC 2610 */
+ { TAG_SLP_DA, "bSLP-DA" }, /*"b" is a little wrong */
+ { TAG_SLP_SCOPE, "bSLP-SCOPE" }, /*"b" is a little wrong */
+/* RFC 2937 */
+ { TAG_NS_SEARCH, "sNSSEARCH" }, /* XXX 's' */
+/* RFC 3011 */
+ { TAG_IP4_SUBNET_SELECT, "iSUBNET" },
+/* RFC 3442 */
+ { TAG_CLASSLESS_STATIC_RT, "$Classless-Static-Route" },
+ { TAG_CLASSLESS_STA_RT_MS, "$Classless-Static-Route-Microsoft" },
+/* http://www.iana.org/assignments/bootp-dhcp-extensions/index.htm */
+ { TAG_USER_CLASS, "aCLASS" },
+ { TAG_SLP_NAMING_AUTH, "aSLP-NA" },
+ { TAG_CLIENT_FQDN, "$FQDN" },
+ { TAG_AGENT_CIRCUIT, "$Agent-Information" },
+ { TAG_AGENT_REMOTE, "bARMT" },
+ { TAG_AGENT_MASK, "bAMSK" },
+ { TAG_TZ_STRING, "aTZSTR" },
+ { TAG_FQDN_OPTION, "bFQDNS" }, /* XXX 'b' */
+ { TAG_AUTH, "bAUTH" }, /* XXX 'b' */
+ { TAG_VINES_SERVERS, "iVINES" },
+ { TAG_SERVER_RANK, "sRANK" },
+ { TAG_CLIENT_ARCH, "sARCH" },
+ { TAG_CLIENT_NDI, "bNDI" }, /* XXX 'b' */
+ { TAG_CLIENT_GUID, "bGUID" }, /* XXX 'b' */
+ { TAG_LDAP_URL, "aLDAP" },
+ { TAG_6OVER4, "i6o4" },
+ { TAG_PRINTER_NAME, "aPRTR" },
+ { TAG_MDHCP_SERVER, "bMDHCP" }, /* XXX 'b' */
+ { TAG_IPX_COMPAT, "bIPX" }, /* XXX 'b' */
+ { TAG_NETINFO_PARENT, "iNI" },
+ { TAG_NETINFO_PARENT_TAG, "aNITAG" },
+ { TAG_URL, "aURL" },
+ { TAG_FAILOVER, "bFAIL" }, /* XXX 'b' */
+ { 0, NULL }
+};
+/* 2-byte extended tags */
+static struct tok xtag2str[] = {
+ { 0, NULL }
+};
+
+/* DHCP "options overload" types */
+static struct tok oo2str[] = {
+ { 1, "file" },
+ { 2, "sname" },
+ { 3, "file+sname" },
+ { 0, NULL }
+};
+
+/* NETBIOS over TCP/IP node type options */
+static struct tok nbo2str[] = {
+ { 0x1, "b-node" },
+ { 0x2, "p-node" },
+ { 0x4, "m-node" },
+ { 0x8, "h-node" },
+ { 0, NULL }
+};
+
+/* ARP Hardware types, for Client-ID option */
+static struct tok arp2str[] = {
+ { 0x1, "ether" },
+ { 0x6, "ieee802" },
+ { 0x7, "arcnet" },
+ { 0xf, "frelay" },
+ { 0x17, "strip" },
+ { 0x18, "ieee1394" },
+ { 0, NULL }
+};
+
+static struct tok dhcp_msg_values[] = {
+ { DHCPDISCOVER, "Discover" },
+ { DHCPOFFER, "Offer" },
+ { DHCPREQUEST, "Request" },
+ { DHCPDECLINE, "Decline" },
+ { DHCPACK, "ACK" },
+ { DHCPNAK, "NACK" },
+ { DHCPRELEASE, "Release" },
+ { DHCPINFORM, "Inform" },
+ { 0, NULL }
+};
+
+#define AGENT_SUBOPTION_CIRCUIT_ID 1
+static struct tok agent_suboption_values[] = {
+ { AGENT_SUBOPTION_CIRCUIT_ID, "Circuit-ID" },
+ { 0, NULL }
+};
+
+
+static void
+rfc1048_print(register const u_char *bp)
+{
+ register u_int16_t tag;
+ register u_int len;
+ register const char *cp;
+ register char c;
+ int first, idx;
+ u_int32_t ul;
+ u_int16_t us;
+ u_int8_t uc, subopt, suboptlen;
+
+ printf("\n\t Vendor-rfc1048 Extensions");
+
+ /* Step over magic cookie */
+ printf("\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)) {
+ tag = *bp++;
+ if (tag == TAG_PAD && vflag < 3)
+ continue;
+ if (tag == TAG_END && vflag < 3)
+ return;
+ if (tag == TAG_EXTENDED_OPTION) {
+ 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.
+ * If not, we need to offset tag after this step.
+ */
+ cp = tok2str(xtag2str, "?xT%u", tag);
+ } else
+ cp = tok2str(tag2str, "?T%u", tag);
+ c = *cp++;
+
+ if (tag == TAG_PAD || tag == TAG_END)
+ len = 0;
+ else {
+ /* Get the length; check for truncation */
+ TCHECK2(*bp, 1);
+ len = *bp++;
+ }
+
+ printf("\n\t %s Option %u, length %u%s", cp, tag, len,
+ len > 0 ? ": " : "");
+
+ if (tag == TAG_PAD && vflag > 2) {
+ u_int ntag = 1;
+ while (TTEST2(*bp, 1) && *bp == TAG_PAD) {
+ bp++;
+ ntag++;
+ }
+ if (ntag > 1)
+ printf(", occurs %u", ntag);
+ }
+
+ if (!TTEST2(*bp, len)) {
+ printf("[|rfc1048 %u]", len);
+ return;
+ }
+
+ if (tag == TAG_DHCP_MESSAGE && len == 1) {
+ uc = *bp++;
+ printf("%s", tok2str(dhcp_msg_values, "Unknown (%u)", uc));
+ continue;
+ }
+
+ if (tag == TAG_PARM_REQUEST) {
+ idx = 0;
+ while (len-- > 0) {
+ uc = *bp++;
+ cp = tok2str(tag2str, "?Option %u", uc);
+ if (idx % 4 == 0)
+ printf("\n\t ");
+ else
+ printf(", ");
+ printf("%s", cp + 1);
+ idx++;
+ }
+ continue;
+ }
+
+ if (tag == TAG_EXTENDED_REQUEST) {
+ first = 1;
+ while (len > 1) {
+ len -= 2;
+ us = EXTRACT_16BITS(bp);
+ bp += 2;
+ cp = tok2str(xtag2str, "?xT%u", us);
+ if (!first)
+ putchar('+');
+ printf("%s", cp + 1);
+ first = 0;
+ }
+ continue;
+ }
+
+ /* Print data */
+ if (c == '?') {
+ /* Base default formats for unknown tags on data size */
+ if (len & 1)
+ c = 'b';
+ else if (len & 2)
+ c = 's';
+ else
+ c = 'l';
+ }
+ first = 1;
+ switch (c) {
+
+ case 'a':
+ /* ascii strings */
+ putchar('"');
+ if (fn_printn(bp, len, snapend)) {
+ putchar('"');
+ goto trunc;
+ }
+ putchar('"');
+ bp += len;
+ len = 0;
+ break;
+
+ case 'i':
+ case 'l':
+ case 'L':
+ /* ip addresses/32-bit words */
+ while (len >= sizeof(ul)) {
+ if (!first)
+ putchar(',');
+ ul = EXTRACT_32BITS(bp);
+ if (c == 'i') {
+ ul = htonl(ul);
+ printf("%s", ipaddr_string(&ul));
+ } else if (c == 'L')
+ printf("%d", ul);
+ else
+ printf("%u", ul);
+ bp += sizeof(ul);
+ len -= sizeof(ul);
+ first = 0;
+ }
+ break;
+
+ case 'p':
+ /* IP address pairs */
+ while (len >= 2*sizeof(ul)) {
+ if (!first)
+ putchar(',');
+ memcpy((char *)&ul, (const char *)bp, sizeof(ul));
+ printf("(%s:", ipaddr_string(&ul));
+ bp += sizeof(ul);
+ memcpy((char *)&ul, (const char *)bp, sizeof(ul));
+ printf("%s)", ipaddr_string(&ul));
+ bp += sizeof(ul);
+ len -= 2*sizeof(ul);
+ first = 0;
+ }
+ break;
+
+ case 's':
+ /* shorts */
+ while (len >= sizeof(us)) {
+ if (!first)
+ putchar(',');
+ us = EXTRACT_16BITS(bp);
+ printf("%u", us);
+ bp += sizeof(us);
+ len -= sizeof(us);
+ first = 0;
+ }
+ break;
+
+ case 'B':
+ /* boolean */
+ while (len > 0) {
+ if (!first)
+ putchar(',');
+ switch (*bp) {
+ case 0:
+ putchar('N');
+ break;
+ case 1:
+ putchar('Y');
+ break;
+ default:
+ printf("%u?", *bp);
+ break;
+ }
+ ++bp;
+ --len;
+ first = 0;
+ }
+ break;
+
+ case 'b':
+ case 'x':
+ default:
+ /* Bytes */
+ while (len > 0) {
+ if (!first)
+ putchar(c == 'x' ? ':' : '.');
+ if (c == 'x')
+ printf("%02x", *bp);
+ else
+ printf("%u", *bp);
+ ++bp;
+ --len;
+ first = 0;
+ }
+ break;
+
+ case '$':
+ /* Guys we can't handle with one of the usual cases */
+ switch (tag) {
+
+ 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);
+ bp += len;
+ len = 0;
+ break;
+ }
+ tag = *bp++;
+ --len;
+ fputs(tok2str(nbo2str, NULL, tag), stdout);
+ 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);
+ bp += len;
+ len = 0;
+ break;
+ }
+ tag = *bp++;
+ --len;
+ fputs(tok2str(oo2str, NULL, tag), stdout);
+ 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);
+ bp += len;
+ len = 0;
+ break;
+ }
+ if (*bp)
+ printf("[%s] ", client_fqdn_flags(*bp));
+ bp++;
+ if (*bp || *(bp+1))
+ printf("%u/%u ", *bp, *(bp+1));
+ bp += 2;
+ putchar('"');
+ if (fn_printn(bp, len - 3, snapend)) {
+ putchar('"');
+ goto trunc;
+ }
+ putchar('"');
+ bp += len - 3;
+ len = 0;
+ break;
+
+ case TAG_CLIENT_ID:
+ { int type;
+
+ /* this option should be at least 1 byte long */
+ if (len < 1) {
+ printf("ERROR: option %u len %u < 1 bytes",
+ TAG_CLIENT_ID, len);
+ bp += len;
+ len = 0;
+ break;
+ }
+ type = *bp++;
+ len--;
+ if (type == 0) {
+ putchar('"');
+ if (fn_printn(bp, len, snapend)) {
+ putchar('"');
+ goto trunc;
+ }
+ putchar('"');
+ bp += len;
+ len = 0;
+ break;
+ } else {
+ printf("%s ", tok2str(arp2str, "hardware-type %u,", type));
+ while (len > 0) {
+ if (!first)
+ putchar(':');
+ printf("%02x", *bp);
+ ++bp;
+ --len;
+ first = 0;
+ }
+ }
+ break;
+ }
+
+ case TAG_AGENT_CIRCUIT:
+ while (len >= 2) {
+ subopt = *bp++;
+ suboptlen = *bp++;
+ len -= 2;
+ if (suboptlen > len) {
+ printf("\n\t %s SubOption %u, length %u: length goes past end of option",
+ tok2str(agent_suboption_values, "Unknown", subopt),
+ subopt,
+ suboptlen);
+ bp += len;
+ len = 0;
+ break;
+ }
+ printf("\n\t %s SubOption %u, length %u: ",
+ tok2str(agent_suboption_values, "Unknown", subopt),
+ subopt,
+ suboptlen);
+ switch (subopt) {
+
+ case AGENT_SUBOPTION_CIRCUIT_ID:
+ fn_printn(bp, suboptlen, NULL);
+ break;
+
+ default:
+ print_unknown_data(bp, "\n\t\t", suboptlen);
+ }
+
+ len -= suboptlen;
+ bp += suboptlen;
+ }
+ break;
+
+ case TAG_CLASSLESS_STATIC_RT:
+ case TAG_CLASSLESS_STA_RT_MS:
+ {
+ u_int mask_width, significant_octets, i;
+
+ /* 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);
+ bp += len;
+ len = 0;
+ break;
+ }
+ while (len > 0) {
+ if (!first)
+ putchar(',');
+ mask_width = *bp++;
+ len--;
+ /* mask_width <= 32 */
+ if (mask_width > 32) {
+ printf("[ERROR: Mask width (%d) > 32]", mask_width);
+ bp += len;
+ len = 0;
+ break;
+ }
+ 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);
+ bp += len;
+ len = 0;
+ break;
+ }
+ putchar('(');
+ if (mask_width == 0)
+ printf("default");
+ else {
+ for (i = 0; i < significant_octets ; i++) {
+ if (i > 0)
+ putchar('.');
+ printf("%d", *bp++);
+ }
+ for (i = significant_octets ; i < 4 ; i++)
+ printf(".0");
+ printf("/%d", mask_width);
+ }
+ memcpy((char *)&ul, (const char *)bp, sizeof(ul));
+ printf(":%s)", ipaddr_string(&ul));
+ bp += sizeof(ul);
+ len -= (significant_octets + 4);
+ first = 0;
+ }
+ }
+ break;
+
+ default:
+ printf("[unknown special tag %u, size %u]",
+ tag, len);
+ bp += len;
+ len = 0;
+ break;
+ }
+ break;
+ }
+ /* Data left over? */
+ if (len) {
+ printf("\n\t trailing data length %u", len);
+ bp += len;
+ }
+ }
+ return;
+trunc:
+ printf("|[rfc1048]");
+}
+
+static void
+cmu_print(register const u_char *bp)
+{
+ register const struct cmu_vend *cmu;
+
+#define PRINTCMUADDR(m, s) { TCHECK(cmu->m); \
+ if (cmu->m.s_addr != 0) \
+ printf(" %s:%s", s, ipaddr_string(&cmu->m.s_addr)); }
+
+ printf(" vend-cmu");
+ cmu = (const struct cmu_vend *)bp;
+
+ /* Only print if there are unknown bits */
+ TCHECK(cmu->v_flags);
+ if ((cmu->v_flags & ~(VF_SMASK)) != 0)
+ printf(" F:0x%x", cmu->v_flags);
+ PRINTCMUADDR(v_dgate, "DG");
+ PRINTCMUADDR(v_smask, cmu->v_flags & VF_SMASK ? "SM" : "SM*");
+ PRINTCMUADDR(v_dns1, "NS1");
+ PRINTCMUADDR(v_dns2, "NS2");
+ PRINTCMUADDR(v_ins1, "IEN1");
+ PRINTCMUADDR(v_ins2, "IEN2");
+ PRINTCMUADDR(v_ts1, "TS1");
+ PRINTCMUADDR(v_ts2, "TS2");
+ return;
+
+trunc:
+ fputs(tstr, stdout);
+#undef PRINTCMUADDR
+}
+
+static char *
+client_fqdn_flags(u_int flags)
+{
+ static char buf[8+1];
+ int i = 0;
+
+ if (flags & CLIENT_FQDN_FLAGS_S)
+ buf[i++] = 'S';
+ if (flags & CLIENT_FQDN_FLAGS_O)
+ buf[i++] = 'O';
+ if (flags & CLIENT_FQDN_FLAGS_E)
+ buf[i++] = 'E';
+ if (flags & CLIENT_FQDN_FLAGS_N)
+ buf[i++] = 'N';
+ buf[i] = '\0';
+
+ return buf;
+}