+++ /dev/null
-/*
- * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
- * Reserved. This file contains Original Code and/or Modifications of
- * Original Code as defined in and that are subject to the Apple Public
- * Source License Version 1.0 (the 'License'). You may not use this file
- * except in compliance with the License. Please obtain a copy of the
- * License at http://www.apple.com/publicsource and read it before using
- * this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License."
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-/*
- * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996
- * 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.
- */
-
-#ifndef lint
-static const char rcsid[] =
- "@(#) $Header: /cvs/Darwin/Commands/NeXT/network_cmds/tcpdump.tproj/print-udp.c,v 1.1.1.1 1999/05/02 03:58:35 wsanchez Exp $ (LBL)";
-#endif
-
-#include <sys/param.h>
-#include <sys/time.h>
-#include <sys/socket.h>
-
-#include <netinet/in.h>
-#include <netinet/in_systm.h>
-#include <netinet/ip.h>
-#include <netinet/ip_var.h>
-#include <netinet/udp.h>
-#include <netinet/udp_var.h>
-
-#undef NOERROR /* Solaris sucks */
-#undef T_UNSPEC /* SINIX does too */
-#include <arpa/nameser.h>
-#include <arpa/tftp.h>
-
-#include <rpc/rpc.h>
-
-#include <stdio.h>
-
-#include "interface.h"
-#include "addrtoname.h"
-#include "appletalk.h"
-
-#include "nfsv2.h"
-#include "bootp.h"
-
-struct rtcphdr {
- u_short rh_flags; /* T:2 P:1 CNT:5 PT:8 */
- u_short rh_len; /* length of message (in words) */
- u_int rh_ssrc; /* synchronization src id */
-};
-
-typedef struct {
- u_int upper; /* more significant 32 bits */
- u_int lower; /* less significant 32 bits */
-} ntp64;
-
-/*
- * Sender report.
- */
-struct rtcp_sr {
- ntp64 sr_ntp; /* 64-bit ntp timestamp */
- u_int sr_ts; /* reference media timestamp */
- u_int sr_np; /* no. packets sent */
- u_int sr_nb; /* no. bytes sent */
-};
-
-/*
- * Receiver report.
- * Time stamps are middle 32-bits of ntp timestamp.
- */
-struct rtcp_rr {
- u_int rr_srcid; /* sender being reported */
- u_int rr_nl; /* no. packets lost */
- u_int rr_ls; /* extended last seq number received */
- u_int rr_dv; /* jitter (delay variance) */
- u_int rr_lsr; /* orig. ts from last rr from this src */
- u_int 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(const void *hdr, u_int len, register const struct udphdr *up)
-{
- /* vat/vt audio */
- u_int ts = *(u_short *)hdr;
- if ((ts & 0xf060) != 0) {
- /* probably vt */
- (void)printf(" udp/vt %u %d / %d",
- (u_int32_t)(ntohs(up->uh_ulen) - sizeof(*up)),
- ts & 0x3ff, ts >> 10);
- } else {
- /* probably vat */
- u_int i0 = ntohl(((u_int *)hdr)[0]);
- u_int i1 = ntohl(((u_int *)hdr)[1]);
- printf(" udp/vat %u c%d %u%s",
- (u_int32_t)(ntohs(up->uh_ulen) - sizeof(*up) - 8),
- i0 & 0xffff,
- i1, i0 & 0x800000? "*" : "");
- /* audio format */
- if (i0 & 0x1f0000)
- printf(" f%d", (i0 >> 16) & 0x1f);
- if (i0 & 0x3f000000)
- printf(" s%d", (i0 >> 24) & 0x3f);
- }
-}
-
-static void
-rtp_print(const void *hdr, u_int len, register const struct udphdr *up)
-{
- /* rtp v1 or v2 */
- u_int *ip = (u_int *)hdr;
- u_int hasopt, hasext, contype, hasmarker;
- u_int i0 = ntohl(((u_int *)hdr)[0]);
- u_int i1 = ntohl(((u_int *)hdr)[1]);
- u_int dlen = ntohs(up->uh_ulen) - sizeof(*up) - 8;
- const char * ptype;
-
- ip += 2;
- len >>= 2;
- len -= 2;
- hasopt = 0;
- hasext = 0;
- if ((i0 >> 30) == 1) {
- /* rtp v1 */
- hasopt = i0 & 0x800000;
- contype = (i0 >> 16) & 0x3f;
- hasmarker = i0 & 0x400000;
- ptype = "rtpv1";
- } else {
- /* rtp v2 */
- hasext = i0 & 0x10000000;
- contype = (i0 >> 16) & 0x7f;
- hasmarker = i0 & 0x800000;
- dlen -= 4;
- ptype = "rtp";
- ip += 1;
- len -= 1;
- }
- printf(" udp/%s %d c%d %s%s %d %u",
- ptype,
- dlen,
- contype,
- (hasopt || hasext)? "+" : "",
- hasmarker? "*" : "",
- i0 & 0xffff,
- i1);
- if (vflag) {
- printf(" %u", i1);
- if (hasopt) {
- u_int i2, optlen;
- do {
- i2 = ip[0];
- optlen = (i2 >> 16) & 0xff;
- if (optlen == 0 || optlen > len) {
- printf(" !opt");
- return;
- }
- ip += optlen;
- len -= optlen;
- } while ((int)i2 >= 0);
- }
- if (hasext) {
- u_int i2, extlen;
- i2 = ip[0];
- extlen = (i2 & 0xffff) + 1;
- if (extlen > len) {
- printf(" !ext");
- return;
- }
- ip += extlen;
- }
- if (contype == 0x1f) /*XXX H.261 */
- printf(" 0x%04x", ip[0] >> 16);
- }
-}
-
-static const u_char *
-rtcp_print(const u_char *hdr, const u_char *ep)
-{
- /* rtp v2 control (rtcp) */
- struct rtcp_rr *rr = 0;
- struct rtcp_sr *sr;
- struct rtcphdr *rh = (struct rtcphdr *)hdr;
- u_int len;
- u_short flags;
- int cnt;
- double ts, dts;
- if ((u_char *)(rh + 1) > ep) {
- printf(" [|rtcp]");
- return (ep);
- }
- len = (ntohs(rh->rh_len) + 1) * 4;
- flags = ntohs(rh->rh_flags);
- cnt = (flags >> 8) & 0x1f;
- switch (flags & 0xff) {
- case RTCP_PT_SR:
- sr = (struct rtcp_sr *)(rh + 1);
- printf(" sr");
- if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh))
- printf(" [%d]", len);
- if (vflag)
- printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc));
- if ((u_char *)(sr + 1) > ep) {
- printf(" [|rtcp]");
- return (ep);
- }
- ts = (double)((u_int32_t)ntohl(sr->sr_ntp.upper)) +
- ((double)((u_int32_t)ntohl(sr->sr_ntp.lower)) /
- 4294967296.0);
- printf(" @%.2f %u %up %ub", ts, (u_int32_t)ntohl(sr->sr_ts),
- (u_int32_t)ntohl(sr->sr_np), (u_int32_t)ntohl(sr->sr_nb));
- rr = (struct rtcp_rr *)(sr + 1);
- break;
- case RTCP_PT_RR:
- printf(" rr");
- if (len != cnt * sizeof(*rr) + sizeof(*rh))
- printf(" [%d]", len);
- rr = (struct rtcp_rr *)(rh + 1);
- if (vflag)
- printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc));
- break;
- case RTCP_PT_SDES:
- printf(" sdes %d", len);
- if (vflag)
- printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc));
- cnt = 0;
- break;
- case RTCP_PT_BYE:
- printf(" bye %d", len);
- if (vflag)
- printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc));
- cnt = 0;
- break;
- default:
- printf(" type-0x%x %d", flags & 0xff, len);
- cnt = 0;
- break;
- }
- if (cnt > 1)
- printf(" c%d", cnt);
- while (--cnt >= 0) {
- if ((u_char *)(rr + 1) > ep) {
- printf(" [|rtcp]");
- return (ep);
- }
- if (vflag)
- printf(" %u", (u_int32_t)ntohl(rr->rr_srcid));
- ts = (double)((u_int32_t)ntohl(rr->rr_lsr)) / 65536.;
- dts = (double)((u_int32_t)ntohl(rr->rr_dlsr)) / 65536.;
- printf(" %ul %us %uj @%.2f+%.2f",
- (u_int32_t)ntohl(rr->rr_nl) & 0x00ffffff,
- (u_int32_t)ntohl(rr->rr_ls),
- (u_int32_t)ntohl(rr->rr_dv), ts, dts);
- }
- return (hdr + len);
-}
-
-/* XXX probably should use getservbyname() and cache answers */
-#define TFTP_PORT 69 /*XXX*/
-#define KERBEROS_PORT 88 /*XXX*/
-#define SUNRPC_PORT 111 /*XXX*/
-#define SNMP_PORT 161 /*XXX*/
-#define NTP_PORT 123 /*XXX*/
-#define SNMPTRAP_PORT 162 /*XXX*/
-#define RIP_PORT 520 /*XXX*/
-#define KERBEROS_SEC_PORT 750 /*XXX*/
-
-void
-udp_print(register const u_char *bp, u_int length, register const u_char *bp2)
-{
- register const struct udphdr *up;
- register const struct ip *ip;
- register const u_char *cp;
- register const u_char *ep = bp + length;
- u_short sport, dport, ulen;
-
- if (ep > snapend)
- ep = snapend;
- up = (struct udphdr *)bp;
- ip = (struct ip *)bp2;
- cp = (u_char *)(up + 1);
- if (cp > snapend) {
- printf("[|udp]");
- return;
- }
- if (length < sizeof(struct udphdr)) {
- (void)printf(" truncated-udp %d", length);
- return;
- }
- length -= sizeof(struct udphdr);
-
- sport = ntohs(up->uh_sport);
- dport = ntohs(up->uh_dport);
- ulen = ntohs(up->uh_ulen);
- if (packettype) {
- register struct rpc_msg *rp;
- enum msg_type direction;
-
- switch (packettype) {
-
- case PT_VAT:
- (void)printf("%s.%s > %s.%s:",
- ipaddr_string(&ip->ip_src),
- udpport_string(sport),
- ipaddr_string(&ip->ip_dst),
- udpport_string(dport));
- vat_print((void *)(up + 1), length, up);
- break;
-
- case PT_WB:
- (void)printf("%s.%s > %s.%s:",
- ipaddr_string(&ip->ip_src),
- udpport_string(sport),
- ipaddr_string(&ip->ip_dst),
- udpport_string(dport));
- wb_print((void *)(up + 1), length);
- break;
-
- case PT_RPC:
- rp = (struct rpc_msg *)(up + 1);
- direction = (enum msg_type)ntohl(rp->rm_direction);
- if (direction == CALL)
- sunrpcrequest_print((u_char *)rp, length,
- (u_char *)ip);
- else
- nfsreply_print((u_char *)rp, length,
- (u_char *)ip); /*XXX*/
- break;
-
- case PT_RTP:
- (void)printf("%s.%s > %s.%s:",
- ipaddr_string(&ip->ip_src),
- udpport_string(sport),
- ipaddr_string(&ip->ip_dst),
- udpport_string(dport));
- rtp_print((void *)(up + 1), length, up);
- break;
-
- case PT_RTCP:
- (void)printf("%s.%s > %s.%s:",
- ipaddr_string(&ip->ip_src),
- udpport_string(sport),
- ipaddr_string(&ip->ip_dst),
- udpport_string(dport));
- while (cp < ep)
- cp = rtcp_print(cp, ep);
- break;
- }
- return;
- }
-
- if (!qflag) {
- register struct rpc_msg *rp;
- enum msg_type direction;
-
- rp = (struct rpc_msg *)(up + 1);
- if (TTEST(rp->rm_direction)) {
- direction = (enum msg_type)ntohl(rp->rm_direction);
- if (dport == NFS_PORT && direction == CALL) {
- nfsreq_print((u_char *)rp, length,
- (u_char *)ip);
- return;
- }
- if (sport == NFS_PORT && direction == REPLY) {
- nfsreply_print((u_char *)rp, length,
- (u_char *)ip);
- return;
- }
-#ifdef notdef
- if (dport == SUNRPC_PORT && direction == CALL) {
- sunrpcrequest_print((u_char *)rp, length, (u_char *)ip);
- return;
- }
-#endif
- }
- if (TTEST(((struct LAP *)cp)->type) &&
- ((struct LAP *)cp)->type == lapDDP &&
- (atalk_port(sport) || atalk_port(dport))) {
- if (vflag)
- fputs("kip ", stdout);
- atalk_print(cp, length);
- return;
- }
- }
- (void)printf("%s.%s > %s.%s:",
- ipaddr_string(&ip->ip_src), udpport_string(sport),
- ipaddr_string(&ip->ip_dst), udpport_string(dport));
-
- if (!qflag) {
-#define ISPORT(p) (dport == (p) || sport == (p))
- if (ISPORT(NAMESERVER_PORT))
- ns_print((const u_char *)(up + 1), length);
- else if (ISPORT(TFTP_PORT))
- tftp_print((const u_char *)(up + 1), length);
- else if (ISPORT(IPPORT_BOOTPC) || ISPORT(IPPORT_BOOTPS))
- bootp_print((const u_char *)(up + 1), length,
- sport, dport);
- else if (ISPORT(RIP_PORT))
- rip_print((const u_char *)(up + 1), length);
- else if (ISPORT(SNMP_PORT) || ISPORT(SNMPTRAP_PORT))
- snmp_print((const u_char *)(up + 1), length);
- else if (ISPORT(NTP_PORT))
- ntp_print((const u_char *)(up + 1), length);
- else if (ISPORT(KERBEROS_PORT) || ISPORT(KERBEROS_SEC_PORT))
- krb_print((const void *)(up + 1), length);
- else if (dport == 3456)
- vat_print((const void *)(up + 1), length, up);
- /*
- * Kludge in test for whiteboard packets.
- */
- else if (dport == 4567)
- wb_print((const void *)(up + 1), length);
- else
- (void)printf(" udp %u",
- (u_int32_t)(ulen - sizeof(*up)));
-#undef ISPORT
- } else
- (void)printf(" udp %u", (u_int32_t)(ulen - sizeof(*up)));
-}
projects / apple / network_cmds.git / blobdiff