- else if (sport == BXXP_PORT || dport == BXXP_PORT)
- bxxp_print(bp, length);
- else if (length > 2 &&
- (sport == NAMESERVER_PORT || dport == NAMESERVER_PORT)) {
- /* TCP DNS query has 2byte length at the head */
- ns_print(bp + 2, length - 2);
- } else if (sport == MSDP_PORT || dport == MSDP_PORT) {
- msdp_print(bp, length);
- }
- }
- return;
-bad:
- fputs("[bad opt]", stdout);
- if (ch != '\0')
- putchar('>');
- return;
-trunc:
- fputs("[|tcp]", stdout);
- if (ch != '\0')
- putchar('>');
+ break;
+
+ case TCPOPT_AUTH:
+ (void)printf("keyid %d", *cp++);
+ datalen = len - 3;
+ for (i = 0; i < datalen; ++i) {
+ LENCHECK(i);
+ (void)printf("%02x", cp[i]);
+ }
+ break;
+
+
+ case TCPOPT_EOL:
+ case TCPOPT_NOP:
+ case TCPOPT_SACKOK:
+ /*
+ * Nothing interesting.
+ * fall through
+ */
+ break;
+
+ case TCPOPT_UTO:
+ datalen = 2;
+ LENCHECK(datalen);
+ utoval = EXTRACT_16BITS(cp);
+ (void)printf("0x%x", utoval);
+ if (utoval & 0x0001)
+ utoval = (utoval >> 1) * 60;
+ else
+ utoval >>= 1;
+ (void)printf(" %u", utoval);
+ break;
+
+ default:
+ datalen = len - 2;
+ for (i = 0; i < datalen; ++i) {
+ LENCHECK(i);
+ (void)printf("%02x", cp[i]);
+ }
+ break;
+ }
+
+ /* Account for data printed */
+ cp += datalen;
+ hlen -= datalen;
+
+ /* Check specification against observed length */
+ ++datalen; /* option octet */
+ if (!ZEROLENOPT(opt))
+ ++datalen; /* size octet */
+ if (datalen != len)
+ (void)printf("[len %d]", len);
+ ch = ',';
+ if (opt == TCPOPT_EOL)
+ break;
+ }
+ putchar(']');
+ }
+
+ /*
+ * Print length field before crawling down the stack.
+ */
+ printf(", length %u", length);
+
+ if (length <= 0)
+ return;
+
+ /*
+ * Decode payload if necessary.
+ */
+ bp += TH_OFF(tp) * 4;
+ if ((flags & TH_RST) && vflag) {
+ print_tcp_rst_data(bp, length);
+ return;
+ }
+
+ if (sport == TELNET_PORT || dport == TELNET_PORT) {
+ if (!qflag && vflag)
+ telnet_print(bp, length);
+ } else if (sport == BGP_PORT || dport == BGP_PORT)
+ bgp_print(bp, length);
+ else if (sport == PPTP_PORT || dport == PPTP_PORT)
+ pptp_print(bp);
+#ifdef TCPDUMP_DO_SMB
+ else if (sport == NETBIOS_SSN_PORT || dport == NETBIOS_SSN_PORT)
+ nbt_tcp_print(bp, length);
+ else if (sport == SMB_PORT || dport == SMB_PORT)
+ smb_tcp_print(bp, length);
+#endif
+ else if (sport == BEEP_PORT || dport == BEEP_PORT)
+ beep_print(bp, length);
+ else if (length > 2 &&
+ (sport == NAMESERVER_PORT || dport == NAMESERVER_PORT ||
+ sport == MULTICASTDNS_PORT || dport == MULTICASTDNS_PORT)) {
+ /*
+ * TCP DNS query has 2byte length at the head.
+ * XXX packet could be unaligned, it can go strange
+ */
+ ns_print(bp + 2, length - 2, 0);
+ } else if (sport == MSDP_PORT || dport == MSDP_PORT) {
+ msdp_print(bp, length);
+ } else if (sport == RPKI_RTR_PORT || dport == RPKI_RTR_PORT) {
+ rpki_rtr_print(bp, length);
+ }
+ else if (length > 0 && (sport == LDP_PORT || dport == LDP_PORT)) {
+ ldp_print(bp, length);
+ }
+
+ return;
+ bad:
+ fputs("[bad opt]", stdout);
+ if (ch != '\0')
+ putchar('>');
+ return;
+ trunc:
+ fputs("[|tcp]", stdout);
+ if (ch != '\0')
+ putchar('>');
projects / tcpdump / blobdiff