diff options
Diffstat (limited to 'print-udp.c')
-rw-r--r-- | print-udp.c | 743 |
1 files changed, 743 insertions, 0 deletions
diff --git a/print-udp.c b/print-udp.c new file mode 100644 index 0000000..769cbe4 --- /dev/null +++ b/print-udp.c @@ -0,0 +1,743 @@ +/* + * Copyright (c) 1988, 1989, 1990, 1991, 1992, 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. + */ + +/* \summary: UDP printer */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "netdissect-stdinc.h" + +#include "netdissect.h" +#include "addrtoname.h" +#include "extract.h" +#include "appletalk.h" + +#include "udp.h" + +#include "ip.h" +#include "ip6.h" +#include "ipproto.h" +#include "rpc_auth.h" +#include "rpc_msg.h" + +#include "nfs.h" + + +struct rtcphdr { + nd_uint16_t rh_flags; /* T:2 P:1 CNT:5 PT:8 */ + nd_uint16_t rh_len; /* length of message (in words) */ + nd_uint32_t rh_ssrc; /* synchronization src id */ +}; + +typedef struct { + nd_uint32_t upper; /* more significant 32 bits */ + nd_uint32_t lower; /* less significant 32 bits */ +} ntp64; + +/* + * Sender report. + */ +struct rtcp_sr { + ntp64 sr_ntp; /* 64-bit ntp timestamp */ + nd_uint32_t sr_ts; /* reference media timestamp */ + nd_uint32_t sr_np; /* no. packets sent */ + nd_uint32_t sr_nb; /* no. bytes sent */ +}; + +/* + * Receiver report. + * Time stamps are middle 32-bits of ntp timestamp. + */ +struct rtcp_rr { + nd_uint32_t rr_srcid; /* sender being reported */ + nd_uint32_t rr_nl; /* no. packets lost */ + nd_uint32_t rr_ls; /* extended last seq number received */ + nd_uint32_t rr_dv; /* jitter (delay variance) */ + nd_uint32_t rr_lsr; /* orig. ts from last rr from this src */ + nd_uint32_t rr_dlsr; /* time from recpt of last rr to xmit time */ +}; + +/*XXX*/ +#define RTCP_PT_SR 200 +#define RTCP_PT_RR 201 +#define RTCP_PT_SDES 202 +#define RTCP_SDES_CNAME 1 +#define RTCP_SDES_NAME 2 +#define RTCP_SDES_EMAIL 3 +#define RTCP_SDES_PHONE 4 +#define RTCP_SDES_LOC 5 +#define RTCP_SDES_TOOL 6 +#define RTCP_SDES_NOTE 7 +#define RTCP_SDES_PRIV 8 +#define RTCP_PT_BYE 203 +#define RTCP_PT_APP 204 + +static void +vat_print(netdissect_options *ndo, const u_char *hdr, u_int length) +{ + /* vat/vt audio */ + u_int ts; + + ndo->ndo_protocol = "vat"; + if (length < 2) { + ND_PRINT("udp/va/vat, length %u < 2", length); + return; + } + ts = GET_BE_U_2(hdr); + if ((ts & 0xf060) != 0) { + /* probably vt */ + ND_PRINT("udp/vt %u %u / %u", + length, + ts & 0x3ff, ts >> 10); + } else { + /* probably vat */ + uint32_t i0, i1; + + if (length < 8) { + ND_PRINT("udp/vat, length %u < 8", length); + return; + } + i0 = GET_BE_U_4(&((const u_int *)hdr)[0]); + i1 = GET_BE_U_4(&((const u_int *)hdr)[1]); + ND_PRINT("udp/vat %u c%u %u%s", + length - 8, + i0 & 0xffff, + i1, i0 & 0x800000? "*" : ""); + /* audio format */ + if (i0 & 0x1f0000) + ND_PRINT(" f%u", (i0 >> 16) & 0x1f); + if (i0 & 0x3f000000) + ND_PRINT(" s%u", (i0 >> 24) & 0x3f); + } +} + +static void +rtp_print(netdissect_options *ndo, const u_char *hdr, u_int len) +{ + /* rtp v1 or v2 */ + const u_int *ip = (const u_int *)hdr; + u_int hasopt, hasext, contype, hasmarker, dlen; + uint32_t i0, i1; + const char * ptype; + + ndo->ndo_protocol = "rtp"; + if (len < 8) { + ND_PRINT("udp/rtp, length %u < 8", len); + return; + } + i0 = GET_BE_U_4(&((const u_int *)hdr)[0]); + i1 = GET_BE_U_4(&((const u_int *)hdr)[1]); + dlen = len - 8; + ip += 2; + len >>= 2; + len -= 2; + hasopt = 0; + hasext = 0; + if ((i0 >> 30) == 1) { + /* rtp v1 - draft-ietf-avt-rtp-04 */ + hasopt = i0 & 0x800000; + contype = (i0 >> 16) & 0x3f; + hasmarker = i0 & 0x400000; + ptype = "rtpv1"; + } else { + /* rtp v2 - RFC 3550 */ + if (dlen < 4) { + ND_PRINT("udp/rtp, length %u < 12", dlen + 8); + return; + } + hasext = i0 & 0x10000000; + contype = (i0 >> 16) & 0x7f; + hasmarker = i0 & 0x800000; + dlen -= 4; + ptype = "rtp"; + ip += 1; + len -= 1; + } + ND_PRINT("udp/%s %u c%u %s%s %u %u", + ptype, + dlen, + contype, + (hasopt || hasext)? "+" : "", + hasmarker? "*" : "", + i0 & 0xffff, + i1); + if (ndo->ndo_vflag) { + ND_PRINT(" %u", GET_BE_U_4(&((const u_int *)hdr)[2])); + if (hasopt) { + u_int i2, optlen; + do { + i2 = GET_BE_U_4(ip); + optlen = (i2 >> 16) & 0xff; + if (optlen == 0 || optlen > len) { + ND_PRINT(" !opt"); + return; + } + ip += optlen; + len -= optlen; + } while ((int)i2 >= 0); + } + if (hasext) { + u_int i2, extlen; + i2 = GET_BE_U_4(ip); + extlen = (i2 & 0xffff) + 1; + if (extlen > len) { + ND_PRINT(" !ext"); + return; + } + ip += extlen; + } + if (contype == 0x1f) /*XXX H.261 */ + ND_PRINT(" 0x%04x", GET_BE_U_4(ip) >> 16); + } +} + +static const u_char * +rtcp_print(netdissect_options *ndo, const u_char *hdr, const u_char *ep) +{ + /* rtp v2 control (rtcp) */ + const struct rtcp_rr *rr = 0; + const struct rtcp_sr *sr; + const struct rtcphdr *rh = (const struct rtcphdr *)hdr; + u_int len; + uint16_t flags; + u_int cnt; + double ts, dts; + + ndo->ndo_protocol = "rtcp"; + if ((const u_char *)(rh + 1) > ep) + goto trunc; + ND_TCHECK_SIZE(rh); + len = (GET_BE_U_2(rh->rh_len) + 1) * 4; + flags = GET_BE_U_2(rh->rh_flags); + cnt = (flags >> 8) & 0x1f; + switch (flags & 0xff) { + case RTCP_PT_SR: + sr = (const struct rtcp_sr *)(rh + 1); + ND_PRINT(" sr"); + if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh)) + ND_PRINT(" [%u]", len); + if (ndo->ndo_vflag) + ND_PRINT(" %u", GET_BE_U_4(rh->rh_ssrc)); + if ((const u_char *)(sr + 1) > ep) + goto trunc; + ND_TCHECK_SIZE(sr); + ts = (double)(GET_BE_U_4(sr->sr_ntp.upper)) + + ((double)(GET_BE_U_4(sr->sr_ntp.lower)) / + FMAXINT); + ND_PRINT(" @%.2f %u %up %ub", ts, GET_BE_U_4(sr->sr_ts), + GET_BE_U_4(sr->sr_np), GET_BE_U_4(sr->sr_nb)); + rr = (const struct rtcp_rr *)(sr + 1); + break; + case RTCP_PT_RR: + ND_PRINT(" rr"); + if (len != cnt * sizeof(*rr) + sizeof(*rh)) + ND_PRINT(" [%u]", len); + rr = (const struct rtcp_rr *)(rh + 1); + if (ndo->ndo_vflag) + ND_PRINT(" %u", GET_BE_U_4(rh->rh_ssrc)); + break; + case RTCP_PT_SDES: + ND_PRINT(" sdes %u", len); + if (ndo->ndo_vflag) + ND_PRINT(" %u", GET_BE_U_4(rh->rh_ssrc)); + cnt = 0; + break; + case RTCP_PT_BYE: + ND_PRINT(" bye %u", len); + if (ndo->ndo_vflag) + ND_PRINT(" %u", GET_BE_U_4(rh->rh_ssrc)); + cnt = 0; + break; + default: + ND_PRINT(" type-0x%x %u", flags & 0xff, len); + cnt = 0; + break; + } + if (cnt > 1) + ND_PRINT(" c%u", cnt); + while (cnt != 0) { + if ((const u_char *)(rr + 1) > ep) + goto trunc; + ND_TCHECK_SIZE(rr); + if (ndo->ndo_vflag) + ND_PRINT(" %u", GET_BE_U_4(rr->rr_srcid)); + ts = (double)(GET_BE_U_4(rr->rr_lsr)) / 65536.; + dts = (double)(GET_BE_U_4(rr->rr_dlsr)) / 65536.; + ND_PRINT(" %ul %us %uj @%.2f+%.2f", + GET_BE_U_4(rr->rr_nl) & 0x00ffffff, + GET_BE_U_4(rr->rr_ls), + GET_BE_U_4(rr->rr_dv), ts, dts); + cnt--; + } + return (hdr + len); + +trunc: + nd_print_trunc(ndo); + return ep; +} + +static uint16_t udp_cksum(netdissect_options *ndo, const struct ip *ip, + const struct udphdr *up, + u_int len) +{ + return nextproto4_cksum(ndo, ip, (const uint8_t *)(const void *)up, len, len, + IPPROTO_UDP); +} + +static uint16_t udp6_cksum(netdissect_options *ndo, const struct ip6_hdr *ip6, + const struct udphdr *up, u_int len) +{ + return nextproto6_cksum(ndo, ip6, (const uint8_t *)(const void *)up, len, len, + IPPROTO_UDP); +} + +static void +udpipaddr_print(netdissect_options *ndo, const struct ip *ip, int sport, int dport) +{ + const struct ip6_hdr *ip6; + + if (IP_V(ip) == 6) + ip6 = (const struct ip6_hdr *)ip; + else + ip6 = NULL; + + if (ip6) { + if (GET_U_1(ip6->ip6_nxt) == IPPROTO_UDP) { + if (sport == -1) { + ND_PRINT("%s > %s: ", + GET_IP6ADDR_STRING(ip6->ip6_src), + GET_IP6ADDR_STRING(ip6->ip6_dst)); + } else { + ND_PRINT("%s.%s > %s.%s: ", + GET_IP6ADDR_STRING(ip6->ip6_src), + udpport_string(ndo, (uint16_t)sport), + GET_IP6ADDR_STRING(ip6->ip6_dst), + udpport_string(ndo, (uint16_t)dport)); + } + } else { + if (sport != -1) { + ND_PRINT("%s > %s: ", + udpport_string(ndo, (uint16_t)sport), + udpport_string(ndo, (uint16_t)dport)); + } + } + } else { + if (GET_U_1(ip->ip_p) == IPPROTO_UDP) { + if (sport == -1) { + ND_PRINT("%s > %s: ", + GET_IPADDR_STRING(ip->ip_src), + GET_IPADDR_STRING(ip->ip_dst)); + } else { + ND_PRINT("%s.%s > %s.%s: ", + GET_IPADDR_STRING(ip->ip_src), + udpport_string(ndo, (uint16_t)sport), + GET_IPADDR_STRING(ip->ip_dst), + udpport_string(ndo, (uint16_t)dport)); + } + } else { + if (sport != -1) { + ND_PRINT("%s > %s: ", + udpport_string(ndo, (uint16_t)sport), + udpport_string(ndo, (uint16_t)dport)); + } + } + } +} + +void +udp_print(netdissect_options *ndo, const u_char *bp, u_int length, + const u_char *bp2, int fragmented, u_int ttl_hl) +{ + const struct udphdr *up; + const struct ip *ip; + const u_char *cp; + const u_char *ep = ndo->ndo_snapend; + uint16_t sport, dport; + u_int ulen; + const struct ip6_hdr *ip6; + + ndo->ndo_protocol = "udp"; + up = (const struct udphdr *)bp; + ip = (const struct ip *)bp2; + if (IP_V(ip) == 6) + ip6 = (const struct ip6_hdr *)bp2; + else + ip6 = NULL; + if (!ND_TTEST_2(up->uh_dport)) { + udpipaddr_print(ndo, ip, -1, -1); + goto trunc; + } + + sport = GET_BE_U_2(up->uh_sport); + dport = GET_BE_U_2(up->uh_dport); + + if (length < sizeof(struct udphdr)) { + udpipaddr_print(ndo, ip, sport, dport); + ND_PRINT("truncated-udp %u", length); + return; + } + if (!ND_TTEST_2(up->uh_ulen)) { + udpipaddr_print(ndo, ip, sport, dport); + goto trunc; + } + ulen = GET_BE_U_2(up->uh_ulen); + /* + * IPv6 Jumbo Datagrams; see RFC 2675. + * If the length is zero, and the length provided to us is + * > 65535, use the provided length as the length. + */ + if (ulen == 0 && length > 65535) + ulen = length; + if (ulen < sizeof(struct udphdr)) { + udpipaddr_print(ndo, ip, sport, dport); + ND_PRINT("truncated-udplength %u", ulen); + return; + } + ulen -= sizeof(struct udphdr); + length -= sizeof(struct udphdr); + if (ulen < length) + length = ulen; + + cp = (const u_char *)(up + 1); + if (cp > ndo->ndo_snapend) { + udpipaddr_print(ndo, ip, sport, dport); + goto trunc; + } + + if (ndo->ndo_packettype) { + const struct sunrpc_msg *rp; + enum sunrpc_msg_type direction; + + switch (ndo->ndo_packettype) { + + case PT_VAT: + udpipaddr_print(ndo, ip, sport, dport); + vat_print(ndo, cp, length); + break; + + case PT_WB: + udpipaddr_print(ndo, ip, sport, dport); + wb_print(ndo, cp, length); + break; + + case PT_RPC: + rp = (const struct sunrpc_msg *)cp; + direction = (enum sunrpc_msg_type) GET_BE_U_4(rp->rm_direction); + if (direction == SUNRPC_CALL) + sunrpc_print(ndo, (const u_char *)rp, length, + (const u_char *)ip); + else + nfsreply_print(ndo, (const u_char *)rp, length, + (const u_char *)ip); /*XXX*/ + break; + + case PT_RTP: + udpipaddr_print(ndo, ip, sport, dport); + rtp_print(ndo, cp, length); + break; + + case PT_RTCP: + udpipaddr_print(ndo, ip, sport, dport); + while (cp < ep) + cp = rtcp_print(ndo, cp, ep); + break; + + case PT_SNMP: + udpipaddr_print(ndo, ip, sport, dport); + snmp_print(ndo, cp, length); + break; + + case PT_CNFP: + udpipaddr_print(ndo, ip, sport, dport); + cnfp_print(ndo, cp); + break; + + case PT_TFTP: + udpipaddr_print(ndo, ip, sport, dport); + tftp_print(ndo, cp, length); + break; + + case PT_AODV: + udpipaddr_print(ndo, ip, sport, dport); + aodv_print(ndo, cp, length, + ip6 != NULL); + break; + + case PT_RADIUS: + udpipaddr_print(ndo, ip, sport, dport); + radius_print(ndo, cp, length); + break; + + case PT_VXLAN: + udpipaddr_print(ndo, ip, sport, dport); + vxlan_print(ndo, cp, length); + break; + + case PT_PGM: + case PT_PGM_ZMTP1: + udpipaddr_print(ndo, ip, sport, dport); + pgm_print(ndo, cp, length, bp2); + break; + case PT_LMP: + udpipaddr_print(ndo, ip, sport, dport); + lmp_print(ndo, cp, length); + break; + case PT_PTP: + udpipaddr_print(ndo, ip, sport, dport); + ptp_print(ndo, cp, length); + break; + case PT_SOMEIP: + udpipaddr_print(ndo, ip, sport, dport); + someip_print(ndo, cp, length); + break; + case PT_DOMAIN: + udpipaddr_print(ndo, ip, sport, dport); + /* over_tcp: FALSE, is_mdns: FALSE */ + domain_print(ndo, cp, length, FALSE, FALSE); + break; + } + return; + } + + udpipaddr_print(ndo, ip, sport, dport); + if (!ndo->ndo_qflag) { + const struct sunrpc_msg *rp; + enum sunrpc_msg_type direction; + + rp = (const struct sunrpc_msg *)cp; + if (ND_TTEST_4(rp->rm_direction)) { + direction = (enum sunrpc_msg_type) GET_BE_U_4(rp->rm_direction); + if (dport == NFS_PORT && direction == SUNRPC_CALL) { + ND_PRINT("NFS request xid %u ", + GET_BE_U_4(rp->rm_xid)); + nfsreq_noaddr_print(ndo, (const u_char *)rp, length, + (const u_char *)ip); + return; + } + if (sport == NFS_PORT && direction == SUNRPC_REPLY) { + ND_PRINT("NFS reply xid %u ", + GET_BE_U_4(rp->rm_xid)); + nfsreply_noaddr_print(ndo, (const u_char *)rp, length, + (const u_char *)ip); + return; + } +#ifdef notdef + if (dport == SUNRPC_PORT && direction == SUNRPC_CALL) { + sunrpc_print((const u_char *)rp, length, (const u_char *)ip); + return; + } +#endif + } + } + + if (ndo->ndo_vflag && !ndo->ndo_Kflag && !fragmented) { + /* Check the checksum, if possible. */ + uint16_t sum, udp_sum; + + /* + * XXX - do this even if vflag == 1? + * TCP does, and we do so for UDP-over-IPv6. + */ + if (IP_V(ip) == 4 && (ndo->ndo_vflag > 1)) { + udp_sum = GET_BE_U_2(up->uh_sum); + if (udp_sum == 0) { + ND_PRINT("[no cksum] "); + } else if (ND_TTEST_LEN(cp, length)) { + sum = udp_cksum(ndo, ip, up, length + sizeof(struct udphdr)); + + if (sum != 0) { + ND_PRINT("[bad udp cksum 0x%04x -> 0x%04x!] ", + udp_sum, + in_cksum_shouldbe(udp_sum, sum)); + } else + ND_PRINT("[udp sum ok] "); + } + } + else if (IP_V(ip) == 6) { + /* for IPv6, UDP checksum is mandatory */ + if (ND_TTEST_LEN(cp, length)) { + sum = udp6_cksum(ndo, ip6, up, length + sizeof(struct udphdr)); + udp_sum = GET_BE_U_2(up->uh_sum); + + if (sum != 0) { + ND_PRINT("[bad udp cksum 0x%04x -> 0x%04x!] ", + udp_sum, + in_cksum_shouldbe(udp_sum, sum)); + } else + ND_PRINT("[udp sum ok] "); + } + } + } + + if (!ndo->ndo_qflag) { + if (IS_SRC_OR_DST_PORT(NAMESERVER_PORT)) + /* over_tcp: FALSE, is_mdns: FALSE */ + domain_print(ndo, cp, length, FALSE, FALSE); + else if (IS_SRC_OR_DST_PORT(MULTICASTDNS_PORT)) + /* over_tcp: FALSE, is_mdns: TRUE */ + domain_print(ndo, cp, length, FALSE, TRUE); + else if (IS_SRC_OR_DST_PORT(TIMED_PORT)) + timed_print(ndo, (const u_char *)cp); + else if (IS_SRC_OR_DST_PORT(TFTP_PORT)) + tftp_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(BOOTPC_PORT) || IS_SRC_OR_DST_PORT(BOOTPS_PORT)) + bootp_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(RIP_PORT)) + rip_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(AODV_PORT)) + aodv_print(ndo, cp, length, + ip6 != NULL); + else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT)) + isakmp_print(ndo, cp, length, bp2); + else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT_NATT)) + isakmp_rfc3948_print(ndo, cp, length, bp2, IP_V(ip), fragmented, ttl_hl); + else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT_USER1) || IS_SRC_OR_DST_PORT(ISAKMP_PORT_USER2)) + isakmp_print(ndo, cp, length, bp2); + else if (IS_SRC_OR_DST_PORT(SNMP_PORT) || IS_SRC_OR_DST_PORT(SNMPTRAP_PORT)) + snmp_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(NTP_PORT)) + ntp_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(KERBEROS_PORT) || IS_SRC_OR_DST_PORT(KERBEROS_SEC_PORT)) + krb_print(ndo, (const u_char *)cp); + else if (IS_SRC_OR_DST_PORT(L2TP_PORT)) + l2tp_print(ndo, cp, length); +#ifdef ENABLE_SMB + else if (IS_SRC_OR_DST_PORT(NETBIOS_NS_PORT)) + nbt_udp137_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(NETBIOS_DGRAM_PORT)) + nbt_udp138_print(ndo, cp, length); +#endif + else if (dport == VAT_PORT) + vat_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(ZEPHYR_SRV_PORT) || IS_SRC_OR_DST_PORT(ZEPHYR_CLT_PORT)) + zephyr_print(ndo, cp, length); + /* + * Since there are 10 possible ports to check, I think + * a <> test would be more efficient + */ + else if ((sport >= RX_PORT_LOW && sport <= RX_PORT_HIGH) || + (dport >= RX_PORT_LOW && dport <= RX_PORT_HIGH)) + rx_print(ndo, cp, length, sport, dport, + (const u_char *) ip); + else if (IS_SRC_OR_DST_PORT(RIPNG_PORT)) + ripng_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(DHCP6_SERV_PORT) || IS_SRC_OR_DST_PORT(DHCP6_CLI_PORT)) + dhcp6_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(AHCP_PORT)) + ahcp_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(BABEL_PORT) || IS_SRC_OR_DST_PORT(BABEL_PORT_OLD)) + babel_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(HNCP_PORT)) + hncp_print(ndo, cp, length); + /* + * Kludge in test for whiteboard packets. + */ + else if (dport == WB_PORT) + wb_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(CISCO_AUTORP_PORT)) + cisco_autorp_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(RADIUS_PORT) || + IS_SRC_OR_DST_PORT(RADIUS_NEW_PORT) || + IS_SRC_OR_DST_PORT(RADIUS_ACCOUNTING_PORT) || + IS_SRC_OR_DST_PORT(RADIUS_NEW_ACCOUNTING_PORT) || + IS_SRC_OR_DST_PORT(RADIUS_CISCO_COA_PORT) || + IS_SRC_OR_DST_PORT(RADIUS_COA_PORT) ) + radius_print(ndo, cp, length); + else if (dport == HSRP_PORT) + hsrp_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(LWRES_PORT)) + lwres_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(LDP_PORT)) + ldp_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(OLSR_PORT)) + olsr_print(ndo, cp, length, + (IP_V(ip) == 6) ? 1 : 0); + else if (IS_SRC_OR_DST_PORT(MPLS_LSP_PING_PORT)) + lspping_print(ndo, cp, length); + else if (sport == BCM_LI_PORT) + bcm_li_print(ndo, cp, length); + else if (dport == BFD_CONTROL_PORT || + dport == BFD_MULTIHOP_PORT || + dport == BFD_LAG_PORT || + dport == BFD_ECHO_PORT ) + bfd_print(ndo, cp, length, dport); + else if (IS_SRC_OR_DST_PORT(LMP_PORT)) + lmp_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(VQP_PORT)) + vqp_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(SFLOW_PORT)) + sflow_print(ndo, cp, length); + else if (dport == LWAPP_CONTROL_PORT) + lwapp_control_print(ndo, cp, length, 1); + else if (sport == LWAPP_CONTROL_PORT) + lwapp_control_print(ndo, cp, length, 0); + else if (IS_SRC_OR_DST_PORT(LWAPP_DATA_PORT)) + lwapp_data_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(SIP_PORT)) + sip_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(SYSLOG_PORT)) + syslog_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(OTV_PORT)) + otv_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(VXLAN_PORT)) + vxlan_print(ndo, cp, length); + else if (dport == GENEVE_PORT) + geneve_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(LISP_CONTROL_PORT)) + lisp_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(VXLAN_GPE_PORT)) + vxlan_gpe_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(ZEP_PORT)) + zep_print(ndo, cp, length); + else if (IS_SRC_OR_DST_PORT(MPLS_PORT)) + mpls_print(ndo, cp, length); + else if (ND_TTEST_1(((const struct LAP *)cp)->type) && + GET_U_1(((const struct LAP *)cp)->type) == lapDDP && + (atalk_port(sport) || atalk_port(dport))) { + if (ndo->ndo_vflag) + ND_PRINT("kip "); + llap_print(ndo, cp, length); + } else if (IS_SRC_OR_DST_PORT(PTP_EVENT_PORT) || + IS_SRC_OR_DST_PORT(PTP_GENERAL_PORT)) { + ptp_print(ndo, cp, length); + } else if (IS_SRC_OR_DST_PORT(SOMEIP_PORT)) + someip_print(ndo, cp, length); + else { + if (ulen > length && !fragmented) + ND_PRINT("UDP, bad length %u > %u", + ulen, length); + else + ND_PRINT("UDP, length %u", ulen); + } + } else { + if (ulen > length && !fragmented) + ND_PRINT("UDP, bad length %u > %u", + ulen, length); + else + ND_PRINT("UDP, length %u", ulen); + } + return; + +trunc: + nd_print_trunc(ndo); +} |