X-Git-Url: https://git.saurik.com/apple/network_cmds.git/blobdiff_plain/3e383549fc1464bee03c045db0823feb3c1b096e..8052502f69480852fa9ccecf3788125a3d1c6aaf:/tcpdump.tproj/print-udp.c diff --git a/tcpdump.tproj/print-udp.c b/tcpdump.tproj/print-udp.c deleted file mode 100644 index f8e4366..0000000 --- a/tcpdump.tproj/print-udp.c +++ /dev/null @@ -1,464 +0,0 @@ -/* - * 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 -#include -#include - -#include -#include -#include -#include -#include -#include - -#undef NOERROR /* Solaris sucks */ -#undef T_UNSPEC /* SINIX does too */ -#include -#include - -#include - -#include - -#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))); -}