X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/ec88d36bcd0d6d0c706d9120183fc73e769a0ad5..532534b6366927708baa6dc8dcf62d8924ab5efc:/print-tcp.c diff --git a/print-tcp.c b/print-tcp.c index f00ff325..b80a2f26 100644 --- a/print-tcp.c +++ b/print-tcp.c @@ -127,8 +127,9 @@ static const struct tok tcp_option_values[] = { { TCPOPT_CCNEW, "ccnew" }, { TCPOPT_CCECHO, "" }, { TCPOPT_SIGNATURE, "md5" }, - { TCPOPT_AUTH, "enhanced auth" }, + { TCPOPT_SCPS, "scps" }, { TCPOPT_UTO, "uto" }, + { TCPOPT_TCPAO, "tcp-ao" }, { TCPOPT_MPTCP, "mptcp" }, { TCPOPT_FASTOPEN, "tfo" }, { TCPOPT_EXPERIMENT2, "exp" }, @@ -266,11 +267,11 @@ tcp_print(netdissect_options *ndo, if (rev) { UNALIGNED_MEMCPY(&tha.src, dst, sizeof ip6->ip6_dst); UNALIGNED_MEMCPY(&tha.dst, src, sizeof ip6->ip6_src); - tha.port = dport << 16 | sport; + tha.port = ((u_int)dport) << 16 | sport; } else { UNALIGNED_MEMCPY(&tha.dst, dst, sizeof ip6->ip6_dst); UNALIGNED_MEMCPY(&tha.src, src, sizeof ip6->ip6_src); - tha.port = sport << 16 | dport; + tha.port = ((u_int)sport) << 16 | dport; } for (th = &tcp_seq_hash[tha.port % TSEQ_HASHSIZE]; @@ -317,11 +318,11 @@ tcp_print(netdissect_options *ndo, if (rev) { UNALIGNED_MEMCPY(&tha.src, &ip->ip_dst, sizeof ip->ip_dst); UNALIGNED_MEMCPY(&tha.dst, &ip->ip_src, sizeof ip->ip_src); - tha.port = dport << 16 | sport; + tha.port = ((u_int)dport) << 16 | sport; } else { UNALIGNED_MEMCPY(&tha.dst, &ip->ip_dst, sizeof ip->ip_dst); UNALIGNED_MEMCPY(&tha.src, &ip->ip_src, sizeof ip->ip_src); - tha.port = sport << 16 | dport; + tha.port = ((u_int)sport) << 16 | dport; } for (th = &tcp_seq_hash[tha.port % TSEQ_HASHSIZE]; @@ -537,15 +538,35 @@ tcp_print(netdissect_options *ndo, #endif break; - case TCPOPT_AUTH: - ND_PRINT((ndo, " keyid %d", *cp++)); - datalen = len - 3; - for (i = 0; i < datalen; ++i) { - LENCHECK(i + 1); - ND_PRINT((ndo, "%02x", cp[i])); - } + case TCPOPT_SCPS: + datalen = 2; + LENCHECK(datalen); + ND_PRINT((ndo, " cap %02x id %u", cp[0], cp[1])); break; + case TCPOPT_TCPAO: + datalen = len - 2; + /* RFC 5925 Section 2.2: + * "The Length value MUST be greater than or equal to 4." + * (This includes the Kind and Length fields already processed + * at this point.) + */ + if (datalen < 2) { + ND_PRINT((ndo, " invalid")); + } else { + LENCHECK(1); + ND_PRINT((ndo, " keyid %u", cp[0])); + LENCHECK(2); + ND_PRINT((ndo, " rnextkeyid %u", cp[1])); + if (datalen > 2) { + ND_PRINT((ndo, " mac 0x")); + for (i = 2; i < datalen; i++) { + LENCHECK(i + 1); + ND_PRINT((ndo, "%02x", cp[i])); + } + } + } + break; case TCPOPT_EOL: case TCPOPT_NOP: @@ -693,6 +714,12 @@ tcp_print(netdissect_options *ndo, rtsp_print(ndo, bp, length); } else if (length > 2 && (IS_SRC_OR_DST_PORT(NAMESERVER_PORT))) { + /* domain_print() assumes it does not have to prepend a space before its + * own output to separate it from the output of the calling function. This + * works well with udp_print(), but requires a small prop here. + */ + ND_PRINT((ndo, " ")); + /* * TCP DNS query has 2byte length at the head. * XXX packet could be unaligned, it can go strange