print-udp.c (56896) | print-udp.c (75118) |
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1/* 2 * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that: (1) source code distributions 7 * retain the above copyright notice and this paragraph in its entirety, (2) 8 * distributions including binary code include the above copyright notice and --- 4 unchanged lines hidden (view full) --- 13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of 14 * the University nor the names of its contributors may be used to endorse 15 * or promote products derived from this software without specific prior 16 * written permission. 17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 20 * | 1/* 2 * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that: (1) source code distributions 7 * retain the above copyright notice and this paragraph in its entirety, (2) 8 * distributions including binary code include the above copyright notice and --- 4 unchanged lines hidden (view full) --- 13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of 14 * the University nor the names of its contributors may be used to endorse 15 * or promote products derived from this software without specific prior 16 * written permission. 17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 20 * |
21 * $FreeBSD: head/contrib/tcpdump/print-udp.c 56896 2000-01-30 01:05:24Z fenner $ | 21 * $FreeBSD: head/contrib/tcpdump/print-udp.c 75118 2001-04-03 07:50:46Z fenner $ |
22 */ 23 24#ifndef lint 25static const char rcsid[] = | 22 */ 23 24#ifndef lint 25static const char rcsid[] = |
26 "@(#) $Header: /tcpdump/master/tcpdump/print-udp.c,v 1.70 1999/12/22 06:27:23 itojun Exp $ (LBL)"; | 26 "@(#) $Header: /tcpdump/master/tcpdump/print-udp.c,v 1.90 2000/12/23 20:55:22 guy Exp $ (LBL)"; |
27#endif 28 29#ifdef HAVE_CONFIG_H 30#include "config.h" 31#endif 32 33#include <sys/param.h> 34#include <sys/time.h> | 27#endif 28 29#ifdef HAVE_CONFIG_H 30#include "config.h" 31#endif 32 33#include <sys/param.h> 34#include <sys/time.h> |
35#include <sys/socket.h> | |
36 37#include <netinet/in.h> | 35 36#include <netinet/in.h> |
38#include <netinet/in_systm.h> 39#include <netinet/ip.h> 40#include <netinet/ip_var.h> 41#include <netinet/udp.h> 42#include <netinet/udp_var.h> | |
43 | 37 |
44#ifdef NOERROR 45#undef NOERROR /* Solaris sucks */ 46#endif 47#ifdef T_UNSPEC 48#undef T_UNSPEC /* SINIX does too */ 49#endif 50#include <arpa/nameser.h> | |
51#ifdef SEGSIZE 52#undef SEGSIZE 53#endif 54#include <arpa/tftp.h> 55 56#include <rpc/rpc.h> 57 58#include <stdio.h> | 38#ifdef SEGSIZE 39#undef SEGSIZE 40#endif 41#include <arpa/tftp.h> 42 43#include <rpc/rpc.h> 44 45#include <stdio.h> |
46#include <string.h> |
|
59 | 47 |
60#ifdef INET6 61#include <netinet/ip6.h> 62#endif 63 | |
64#include "interface.h" 65#include "addrtoname.h" 66#include "appletalk.h" 67 | 48#include "interface.h" 49#include "addrtoname.h" 50#include "appletalk.h" 51 |
52#include "udp.h" 53 54#include "ip.h" 55#ifdef INET6 56#include "ip6.h" 57#endif 58 59#ifdef NOERROR 60#undef NOERROR /* Solaris sucks */ 61#endif 62#ifdef T_UNSPEC 63#undef T_UNSPEC /* SINIX does too */ 64#endif 65#include "nameser.h" |
|
68#include "nfs.h" 69#include "bootp.h" 70 71struct rtcphdr { | 66#include "nfs.h" 67#include "bootp.h" 68 69struct rtcphdr { |
72 u_short rh_flags; /* T:2 P:1 CNT:5 PT:8 */ 73 u_short rh_len; /* length of message (in words) */ 74 u_int rh_ssrc; /* synchronization src id */ | 70 u_int16_t rh_flags; /* T:2 P:1 CNT:5 PT:8 */ 71 u_int16_t rh_len; /* length of message (in words) */ 72 u_int32_t rh_ssrc; /* synchronization src id */ |
75}; 76 77typedef struct { | 73}; 74 75typedef struct { |
78 u_int upper; /* more significant 32 bits */ 79 u_int lower; /* less significant 32 bits */ | 76 u_int32_t upper; /* more significant 32 bits */ 77 u_int32_t lower; /* less significant 32 bits */ |
80} ntp64; 81 82/* 83 * Sender report. 84 */ 85struct rtcp_sr { 86 ntp64 sr_ntp; /* 64-bit ntp timestamp */ | 78} ntp64; 79 80/* 81 * Sender report. 82 */ 83struct rtcp_sr { 84 ntp64 sr_ntp; /* 64-bit ntp timestamp */ |
87 u_int sr_ts; /* reference media timestamp */ 88 u_int sr_np; /* no. packets sent */ 89 u_int sr_nb; /* no. bytes sent */ | 85 u_int32_t sr_ts; /* reference media timestamp */ 86 u_int32_t sr_np; /* no. packets sent */ 87 u_int32_t sr_nb; /* no. bytes sent */ |
90}; 91 92/* 93 * Receiver report. 94 * Time stamps are middle 32-bits of ntp timestamp. 95 */ 96struct rtcp_rr { | 88}; 89 90/* 91 * Receiver report. 92 * Time stamps are middle 32-bits of ntp timestamp. 93 */ 94struct rtcp_rr { |
97 u_int rr_srcid; /* sender being reported */ 98 u_int rr_nl; /* no. packets lost */ 99 u_int rr_ls; /* extended last seq number received */ 100 u_int rr_dv; /* jitter (delay variance) */ 101 u_int rr_lsr; /* orig. ts from last rr from this src */ 102 u_int rr_dlsr; /* time from recpt of last rr to xmit time */ | 95 u_int32_t rr_srcid; /* sender being reported */ 96 u_int32_t rr_nl; /* no. packets lost */ 97 u_int32_t rr_ls; /* extended last seq number received */ 98 u_int32_t rr_dv; /* jitter (delay variance) */ 99 u_int32_t rr_lsr; /* orig. ts from last rr from this src */ 100 u_int32_t rr_dlsr; /* time from recpt of last rr to xmit time */ |
103}; 104 105/*XXX*/ 106#define RTCP_PT_SR 200 107#define RTCP_PT_RR 201 108#define RTCP_PT_SDES 202 109#define RTCP_SDES_CNAME 1 110#define RTCP_SDES_NAME 2 --- 5 unchanged lines hidden (view full) --- 116#define RTCP_SDES_PRIV 8 117#define RTCP_PT_BYE 203 118#define RTCP_PT_APP 204 119 120static void 121vat_print(const void *hdr, u_int len, register const struct udphdr *up) 122{ 123 /* vat/vt audio */ | 101}; 102 103/*XXX*/ 104#define RTCP_PT_SR 200 105#define RTCP_PT_RR 201 106#define RTCP_PT_SDES 202 107#define RTCP_SDES_CNAME 1 108#define RTCP_SDES_NAME 2 --- 5 unchanged lines hidden (view full) --- 114#define RTCP_SDES_PRIV 8 115#define RTCP_PT_BYE 203 116#define RTCP_PT_APP 204 117 118static void 119vat_print(const void *hdr, u_int len, register const struct udphdr *up) 120{ 121 /* vat/vt audio */ |
124 u_int ts = *(u_short *)hdr; | 122 u_int ts = *(u_int16_t *)hdr; |
125 if ((ts & 0xf060) != 0) { 126 /* probably vt */ 127 (void)printf(" udp/vt %u %d / %d", 128 (u_int32_t)(ntohs(up->uh_ulen) - sizeof(*up)), 129 ts & 0x3ff, ts >> 10); 130 } else { 131 /* probably vat */ | 123 if ((ts & 0xf060) != 0) { 124 /* probably vt */ 125 (void)printf(" udp/vt %u %d / %d", 126 (u_int32_t)(ntohs(up->uh_ulen) - sizeof(*up)), 127 ts & 0x3ff, ts >> 10); 128 } else { 129 /* probably vat */ |
132 u_int i0 = ntohl(((u_int *)hdr)[0]); 133 u_int i1 = ntohl(((u_int *)hdr)[1]); | 130 u_int32_t i0 = (u_int32_t)ntohl(((u_int *)hdr)[0]); 131 u_int32_t i1 = (u_int32_t)ntohl(((u_int *)hdr)[1]); |
134 printf(" udp/vat %u c%d %u%s", 135 (u_int32_t)(ntohs(up->uh_ulen) - sizeof(*up) - 8), 136 i0 & 0xffff, 137 i1, i0 & 0x800000? "*" : ""); 138 /* audio format */ 139 if (i0 & 0x1f0000) 140 printf(" f%d", (i0 >> 16) & 0x1f); 141 if (i0 & 0x3f000000) 142 printf(" s%d", (i0 >> 24) & 0x3f); 143 } 144} 145 146static void 147rtp_print(const void *hdr, u_int len, register const struct udphdr *up) 148{ 149 /* rtp v1 or v2 */ 150 u_int *ip = (u_int *)hdr; 151 u_int hasopt, hasext, contype, hasmarker; | 132 printf(" udp/vat %u c%d %u%s", 133 (u_int32_t)(ntohs(up->uh_ulen) - sizeof(*up) - 8), 134 i0 & 0xffff, 135 i1, i0 & 0x800000? "*" : ""); 136 /* audio format */ 137 if (i0 & 0x1f0000) 138 printf(" f%d", (i0 >> 16) & 0x1f); 139 if (i0 & 0x3f000000) 140 printf(" s%d", (i0 >> 24) & 0x3f); 141 } 142} 143 144static void 145rtp_print(const void *hdr, u_int len, register const struct udphdr *up) 146{ 147 /* rtp v1 or v2 */ 148 u_int *ip = (u_int *)hdr; 149 u_int hasopt, hasext, contype, hasmarker; |
152 u_int i0 = ntohl(((u_int *)hdr)[0]); 153 u_int i1 = ntohl(((u_int *)hdr)[1]); | 150 u_int32_t i0 = (u_int32_t)ntohl(((u_int *)hdr)[0]); 151 u_int32_t i1 = (u_int32_t)ntohl(((u_int *)hdr)[1]); |
154 u_int dlen = ntohs(up->uh_ulen) - sizeof(*up) - 8; 155 const char * ptype; 156 157 ip += 2; 158 len >>= 2; 159 len -= 2; 160 hasopt = 0; 161 hasext = 0; --- 17 unchanged lines hidden (view full) --- 179 ptype, 180 dlen, 181 contype, 182 (hasopt || hasext)? "+" : "", 183 hasmarker? "*" : "", 184 i0 & 0xffff, 185 i1); 186 if (vflag) { | 152 u_int dlen = ntohs(up->uh_ulen) - sizeof(*up) - 8; 153 const char * ptype; 154 155 ip += 2; 156 len >>= 2; 157 len -= 2; 158 hasopt = 0; 159 hasext = 0; --- 17 unchanged lines hidden (view full) --- 177 ptype, 178 dlen, 179 contype, 180 (hasopt || hasext)? "+" : "", 181 hasmarker? "*" : "", 182 i0 & 0xffff, 183 i1); 184 if (vflag) { |
187 printf(" %u", i1); | 185 printf(" %u", (u_int32_t)ntohl(((u_int *)hdr)[2])); |
188 if (hasopt) { 189 u_int i2, optlen; 190 do { 191 i2 = ip[0]; 192 optlen = (i2 >> 16) & 0xff; 193 if (optlen == 0 || optlen > len) { 194 printf(" !opt"); 195 return; --- 20 unchanged lines hidden (view full) --- 216static const u_char * 217rtcp_print(const u_char *hdr, const u_char *ep) 218{ 219 /* rtp v2 control (rtcp) */ 220 struct rtcp_rr *rr = 0; 221 struct rtcp_sr *sr; 222 struct rtcphdr *rh = (struct rtcphdr *)hdr; 223 u_int len; | 186 if (hasopt) { 187 u_int i2, optlen; 188 do { 189 i2 = ip[0]; 190 optlen = (i2 >> 16) & 0xff; 191 if (optlen == 0 || optlen > len) { 192 printf(" !opt"); 193 return; --- 20 unchanged lines hidden (view full) --- 214static const u_char * 215rtcp_print(const u_char *hdr, const u_char *ep) 216{ 217 /* rtp v2 control (rtcp) */ 218 struct rtcp_rr *rr = 0; 219 struct rtcp_sr *sr; 220 struct rtcphdr *rh = (struct rtcphdr *)hdr; 221 u_int len; |
224 u_short flags; | 222 u_int16_t flags; |
225 int cnt; 226 double ts, dts; 227 if ((u_char *)(rh + 1) > ep) { 228 printf(" [|rtcp]"); 229 return (ep); 230 } 231 len = (ntohs(rh->rh_len) + 1) * 4; 232 flags = ntohs(rh->rh_flags); 233 cnt = (flags >> 8) & 0x1f; 234 switch (flags & 0xff) { 235 case RTCP_PT_SR: 236 sr = (struct rtcp_sr *)(rh + 1); 237 printf(" sr"); 238 if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh)) 239 printf(" [%d]", len); 240 if (vflag) | 223 int cnt; 224 double ts, dts; 225 if ((u_char *)(rh + 1) > ep) { 226 printf(" [|rtcp]"); 227 return (ep); 228 } 229 len = (ntohs(rh->rh_len) + 1) * 4; 230 flags = ntohs(rh->rh_flags); 231 cnt = (flags >> 8) & 0x1f; 232 switch (flags & 0xff) { 233 case RTCP_PT_SR: 234 sr = (struct rtcp_sr *)(rh + 1); 235 printf(" sr"); 236 if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh)) 237 printf(" [%d]", len); 238 if (vflag) |
241 printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); | 239 printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); |
242 if ((u_char *)(sr + 1) > ep) { 243 printf(" [|rtcp]"); 244 return (ep); 245 } 246 ts = (double)((u_int32_t)ntohl(sr->sr_ntp.upper)) + 247 ((double)((u_int32_t)ntohl(sr->sr_ntp.lower)) / 248 4294967296.0); 249 printf(" @%.2f %u %up %ub", ts, (u_int32_t)ntohl(sr->sr_ts), 250 (u_int32_t)ntohl(sr->sr_np), (u_int32_t)ntohl(sr->sr_nb)); 251 rr = (struct rtcp_rr *)(sr + 1); 252 break; 253 case RTCP_PT_RR: 254 printf(" rr"); 255 if (len != cnt * sizeof(*rr) + sizeof(*rh)) 256 printf(" [%d]", len); 257 rr = (struct rtcp_rr *)(rh + 1); 258 if (vflag) | 240 if ((u_char *)(sr + 1) > ep) { 241 printf(" [|rtcp]"); 242 return (ep); 243 } 244 ts = (double)((u_int32_t)ntohl(sr->sr_ntp.upper)) + 245 ((double)((u_int32_t)ntohl(sr->sr_ntp.lower)) / 246 4294967296.0); 247 printf(" @%.2f %u %up %ub", ts, (u_int32_t)ntohl(sr->sr_ts), 248 (u_int32_t)ntohl(sr->sr_np), (u_int32_t)ntohl(sr->sr_nb)); 249 rr = (struct rtcp_rr *)(sr + 1); 250 break; 251 case RTCP_PT_RR: 252 printf(" rr"); 253 if (len != cnt * sizeof(*rr) + sizeof(*rh)) 254 printf(" [%d]", len); 255 rr = (struct rtcp_rr *)(rh + 1); 256 if (vflag) |
259 printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); | 257 printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); |
260 break; 261 case RTCP_PT_SDES: 262 printf(" sdes %d", len); 263 if (vflag) | 258 break; 259 case RTCP_PT_SDES: 260 printf(" sdes %d", len); 261 if (vflag) |
264 printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); | 262 printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); |
265 cnt = 0; 266 break; 267 case RTCP_PT_BYE: 268 printf(" bye %d", len); 269 if (vflag) | 263 cnt = 0; 264 break; 265 case RTCP_PT_BYE: 266 printf(" bye %d", len); 267 if (vflag) |
270 printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); | 268 printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); |
271 cnt = 0; 272 break; 273 default: 274 printf(" type-0x%x %d", flags & 0xff, len); 275 cnt = 0; 276 break; 277 } 278 if (cnt > 1) --- 10 unchanged lines hidden (view full) --- 289 printf(" %ul %us %uj @%.2f+%.2f", 290 (u_int32_t)ntohl(rr->rr_nl) & 0x00ffffff, 291 (u_int32_t)ntohl(rr->rr_ls), 292 (u_int32_t)ntohl(rr->rr_dv), ts, dts); 293 } 294 return (hdr + len); 295} 296 | 269 cnt = 0; 270 break; 271 default: 272 printf(" type-0x%x %d", flags & 0xff, len); 273 cnt = 0; 274 break; 275 } 276 if (cnt > 1) --- 10 unchanged lines hidden (view full) --- 287 printf(" %ul %us %uj @%.2f+%.2f", 288 (u_int32_t)ntohl(rr->rr_nl) & 0x00ffffff, 289 (u_int32_t)ntohl(rr->rr_ls), 290 (u_int32_t)ntohl(rr->rr_dv), ts, dts); 291 } 292 return (hdr + len); 293} 294 |
295static int udp_cksum(register const struct ip *ip, 296 register const struct udphdr *up, 297 register int len) 298{ 299 int i, tlen; 300 union phu { 301 struct phdr { 302 u_int32_t src; 303 u_int32_t dst; 304 u_char mbz; 305 u_char proto; 306 u_int16_t len; 307 } ph; 308 u_int16_t pa[6]; 309 } phu; 310 register const u_int16_t *sp; 311 u_int32_t sum; 312 tlen = ntohs(ip->ip_len) - ((const char *)up-(const char*)ip); 313 314 /* pseudo-header.. */ 315 phu.ph.len = htons(tlen); 316 phu.ph.mbz = 0; 317 phu.ph.proto = IPPROTO_UDP; 318 memcpy(&phu.ph.src, &ip->ip_src.s_addr, sizeof(u_int32_t)); 319 memcpy(&phu.ph.dst, &ip->ip_dst.s_addr, sizeof(u_int32_t)); 320 321 sp = &phu.pa[0]; 322 sum = sp[0]+sp[1]+sp[2]+sp[3]+sp[4]+sp[5]; 323 324 sp = (const u_int16_t *)up; 325 326 for (i=0; i<(tlen&~1); i+= 2) 327 sum += *sp++; 328 329 if (tlen & 1) { 330 sum += htons( (*(const u_int8_t *)sp) << 8); 331 } 332 333 while (sum > 0xffff) 334 sum = (sum & 0xffff) + (sum >> 16); 335 sum = ~sum & 0xffff; 336 337 return (sum); 338} 339 340#ifdef INET6 341static int udp6_cksum(const struct ip6_hdr *ip6, const struct udphdr *up, 342 int len) 343{ 344 int i, tlen; 345 register const u_int16_t *sp; 346 u_int32_t sum; 347 union { 348 struct { 349 struct in6_addr ph_src; 350 struct in6_addr ph_dst; 351 u_int32_t ph_len; 352 u_int8_t ph_zero[3]; 353 u_int8_t ph_nxt; 354 } ph; 355 u_int16_t pa[20]; 356 } phu; 357 358 tlen = ntohs(ip6->ip6_plen) + sizeof(struct ip6_hdr) - 359 ((const char *)up - (const char*)ip6); 360 361 /* pseudo-header */ 362 memset(&phu, 0, sizeof(phu)); 363 phu.ph.ph_src = ip6->ip6_src; 364 phu.ph.ph_dst = ip6->ip6_dst; 365 phu.ph.ph_len = htonl(tlen); 366 phu.ph.ph_nxt = IPPROTO_UDP; 367 368 sum = 0; 369 for (i = 0; i < sizeof(phu.pa) / sizeof(phu.pa[0]); i++) 370 sum += phu.pa[i]; 371 372 sp = (const u_int16_t *)up; 373 374 for (i = 0; i < (tlen & ~1); i += 2) 375 sum += *sp++; 376 377 if (tlen & 1) 378 sum += htons((*(const u_int8_t *)sp) << 8); 379 380 while (sum > 0xffff) 381 sum = (sum & 0xffff) + (sum >> 16); 382 sum = ~sum & 0xffff; 383 384 return (sum); 385} 386#endif 387 388 |
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297/* XXX probably should use getservbyname() and cache answers */ 298#define TFTP_PORT 69 /*XXX*/ 299#define KERBEROS_PORT 88 /*XXX*/ 300#define SUNRPC_PORT 111 /*XXX*/ 301#define SNMP_PORT 161 /*XXX*/ 302#define NTP_PORT 123 /*XXX*/ 303#define SNMPTRAP_PORT 162 /*XXX*/ 304#define ISAKMP_PORT 500 /*XXX*/ | 389/* XXX probably should use getservbyname() and cache answers */ 390#define TFTP_PORT 69 /*XXX*/ 391#define KERBEROS_PORT 88 /*XXX*/ 392#define SUNRPC_PORT 111 /*XXX*/ 393#define SNMP_PORT 161 /*XXX*/ 394#define NTP_PORT 123 /*XXX*/ 395#define SNMPTRAP_PORT 162 /*XXX*/ 396#define ISAKMP_PORT 500 /*XXX*/ |
397#define TIMED_PORT 525 /*XXX*/ |
|
305#define RIP_PORT 520 /*XXX*/ 306#define KERBEROS_SEC_PORT 750 /*XXX*/ 307#define L2TP_PORT 1701 /*XXX*/ 308#define ISAKMP_PORT_USER1 7500 /*??? - nonstandard*/ 309#define ISAKMP_PORT_USER2 8500 /*??? - nonstandard*/ 310#define RX_PORT_LOW 7000 /*XXX*/ 311#define RX_PORT_HIGH 7009 /*XXX*/ 312#define NETBIOS_NS_PORT 137 313#define NETBIOS_DGRAM_PORT 138 314#define CISCO_AUTORP_PORT 496 /*XXX*/ | 398#define RIP_PORT 520 /*XXX*/ 399#define KERBEROS_SEC_PORT 750 /*XXX*/ 400#define L2TP_PORT 1701 /*XXX*/ 401#define ISAKMP_PORT_USER1 7500 /*??? - nonstandard*/ 402#define ISAKMP_PORT_USER2 8500 /*??? - nonstandard*/ 403#define RX_PORT_LOW 7000 /*XXX*/ 404#define RX_PORT_HIGH 7009 /*XXX*/ 405#define NETBIOS_NS_PORT 137 406#define NETBIOS_DGRAM_PORT 138 407#define CISCO_AUTORP_PORT 496 /*XXX*/ |
408#define RADIUS_PORT 1645 409#define RADIUS_NEW_PORT 1812 410#define RADIUS_ACCOUNTING_PORT 1646 411#define RADIUS_NEW_ACCOUNTING_PORT 1813 |
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315 316#ifdef INET6 317#define RIPNG_PORT 521 /*XXX*/ 318#define DHCP6_SERV_PORT 546 /*XXX*/ 319#define DHCP6_CLI_PORT 547 /*XXX*/ 320#endif 321 322void | 412 413#ifdef INET6 414#define RIPNG_PORT 521 /*XXX*/ 415#define DHCP6_SERV_PORT 546 /*XXX*/ 416#define DHCP6_CLI_PORT 547 /*XXX*/ 417#endif 418 419void |
323udp_print(register const u_char *bp, u_int length, register const u_char *bp2) | 420udp_print(register const u_char *bp, u_int length, 421 register const u_char *bp2, int fragmented) |
324{ 325 register const struct udphdr *up; 326 register const struct ip *ip; 327 register const u_char *cp; 328 register const u_char *ep = bp + length; | 422{ 423 register const struct udphdr *up; 424 register const struct ip *ip; 425 register const u_char *cp; 426 register const u_char *ep = bp + length; |
329 u_short sport, dport, ulen; | 427 u_int16_t sport, dport, ulen; |
330#ifdef INET6 331 register const struct ip6_hdr *ip6; 332#endif 333 334 if (ep > snapend) 335 ep = snapend; 336 up = (struct udphdr *)bp; 337 ip = (struct ip *)bp2; 338#ifdef INET6 | 428#ifdef INET6 429 register const struct ip6_hdr *ip6; 430#endif 431 432 if (ep > snapend) 433 ep = snapend; 434 up = (struct udphdr *)bp; 435 ip = (struct ip *)bp2; 436#ifdef INET6 |
339 if (ip->ip_v == 6) | 437 if (IP_V(ip) == 6) |
340 ip6 = (struct ip6_hdr *)bp2; 341 else 342 ip6 = NULL; 343#endif /*INET6*/ 344 cp = (u_char *)(up + 1); 345 if (cp > snapend) { 346 (void)printf("%s > %s: [|udp]", 347 ipaddr_string(&ip->ip_src), ipaddr_string(&ip->ip_dst)); --- 5 unchanged lines hidden (view full) --- 353 length); 354 return; 355 } 356 length -= sizeof(struct udphdr); 357 358 sport = ntohs(up->uh_sport); 359 dport = ntohs(up->uh_dport); 360 ulen = ntohs(up->uh_ulen); | 438 ip6 = (struct ip6_hdr *)bp2; 439 else 440 ip6 = NULL; 441#endif /*INET6*/ 442 cp = (u_char *)(up + 1); 443 if (cp > snapend) { 444 (void)printf("%s > %s: [|udp]", 445 ipaddr_string(&ip->ip_src), ipaddr_string(&ip->ip_dst)); --- 5 unchanged lines hidden (view full) --- 451 length); 452 return; 453 } 454 length -= sizeof(struct udphdr); 455 456 sport = ntohs(up->uh_sport); 457 dport = ntohs(up->uh_dport); 458 ulen = ntohs(up->uh_ulen); |
459 if (ulen < 8) { 460 (void)printf("%s > %s: truncated-udplength %d", 461 ipaddr_string(&ip->ip_src), 462 ipaddr_string(&ip->ip_dst), 463 ulen); 464 return; 465 } |
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361 if (packettype) { 362 register struct rpc_msg *rp; 363 enum msg_type direction; 364 365 switch (packettype) { 366 367 case PT_VAT: 368 (void)printf("%s.%s > %s.%s:", --- 46 unchanged lines hidden (view full) --- 415 case PT_SNMP: 416 (void)printf("%s.%s > %s.%s:", 417 ipaddr_string(&ip->ip_src), 418 udpport_string(sport), 419 ipaddr_string(&ip->ip_dst), 420 udpport_string(dport)); 421 snmp_print((const u_char *)(up + 1), length); 422 break; | 466 if (packettype) { 467 register struct rpc_msg *rp; 468 enum msg_type direction; 469 470 switch (packettype) { 471 472 case PT_VAT: 473 (void)printf("%s.%s > %s.%s:", --- 46 unchanged lines hidden (view full) --- 520 case PT_SNMP: 521 (void)printf("%s.%s > %s.%s:", 522 ipaddr_string(&ip->ip_src), 523 udpport_string(sport), 524 ipaddr_string(&ip->ip_dst), 525 udpport_string(dport)); 526 snmp_print((const u_char *)(up + 1), length); 527 break; |
528 529 case PT_CNFP: 530 (void)printf("%s.%s > %s.%s:", 531 ipaddr_string(&ip->ip_src), 532 udpport_string(sport), 533 ipaddr_string(&ip->ip_dst), 534 udpport_string(dport)); 535 cnfp_print(cp, length, (const u_char *)ip); 536 break; |
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423 } 424 return; 425 } 426 427 if (!qflag) { 428 register struct rpc_msg *rp; 429 enum msg_type direction; 430 --- 17 unchanged lines hidden (view full) --- 448 } 449#endif 450 } 451 if (TTEST(((struct LAP *)cp)->type) && 452 ((struct LAP *)cp)->type == lapDDP && 453 (atalk_port(sport) || atalk_port(dport))) { 454 if (vflag) 455 fputs("kip ", stdout); | 537 } 538 return; 539 } 540 541 if (!qflag) { 542 register struct rpc_msg *rp; 543 enum msg_type direction; 544 --- 17 unchanged lines hidden (view full) --- 562 } 563#endif 564 } 565 if (TTEST(((struct LAP *)cp)->type) && 566 ((struct LAP *)cp)->type == lapDDP && 567 (atalk_port(sport) || atalk_port(dport))) { 568 if (vflag) 569 fputs("kip ", stdout); |
456 atalk_print(cp, length); | 570 llap_print(cp, length); |
457 return; 458 } 459 } 460#if 0 461 (void)printf("%s.%s > %s.%s:", 462 ipaddr_string(&ip->ip_src), udpport_string(sport), 463 ipaddr_string(&ip->ip_dst), udpport_string(dport)); 464#else --- 20 unchanged lines hidden (view full) --- 485 udpport_string(dport)); 486 } else { 487 (void)printf("%s > %s: ", 488 udpport_string(sport), udpport_string(dport)); 489 } 490 } 491#endif 492 | 571 return; 572 } 573 } 574#if 0 575 (void)printf("%s.%s > %s.%s:", 576 ipaddr_string(&ip->ip_src), udpport_string(sport), 577 ipaddr_string(&ip->ip_dst), udpport_string(dport)); 578#else --- 20 unchanged lines hidden (view full) --- 599 udpport_string(dport)); 600 } else { 601 (void)printf("%s > %s: ", 602 udpport_string(sport), udpport_string(dport)); 603 } 604 } 605#endif 606 |
607 if (IP_V(ip) == 4 && vflag && !fragmented) { 608 int sum = up->uh_sum; 609 if (sum == 0) { 610 (void)printf(" [no cksum]"); 611 } else if (TTEST2(cp[0], length)) { 612 sum = udp_cksum(ip, up, length); 613 if (sum != 0) 614 (void)printf(" [bad udp cksum %x!]", sum); 615 else 616 (void)printf(" [udp sum ok]"); 617 } 618 } 619#ifdef INET6 620 if (IP_V(ip) == 6 && ip6->ip6_plen && vflag && !fragmented) { 621 int sum = up->uh_sum; 622 /* for IPv6, UDP checksum is mandatory */ 623 if (TTEST2(cp[0], length)) { 624 sum = udp6_cksum(ip6, up, length); 625 if (sum != 0) 626 (void)printf(" [bad udp cksum %x!]", sum); 627 else 628 (void)printf(" [udp sum ok]"); 629 } 630 } 631#endif 632 |
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493 if (!qflag) { 494#define ISPORT(p) (dport == (p) || sport == (p)) 495 if (ISPORT(NAMESERVER_PORT)) 496 ns_print((const u_char *)(up + 1), length); | 633 if (!qflag) { 634#define ISPORT(p) (dport == (p) || sport == (p)) 635 if (ISPORT(NAMESERVER_PORT)) 636 ns_print((const u_char *)(up + 1), length); |
637 else if (ISPORT(TIMED_PORT)) 638 timed_print((const u_char *)(up + 1), length); |
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497 else if (ISPORT(TFTP_PORT)) 498 tftp_print((const u_char *)(up + 1), length); 499 else if (ISPORT(IPPORT_BOOTPC) || ISPORT(IPPORT_BOOTPS)) 500 bootp_print((const u_char *)(up + 1), length, 501 sport, dport); 502 else if (ISPORT(RIP_PORT)) 503 rip_print((const u_char *)(up + 1), length); 504 else if (ISPORT(ISAKMP_PORT)) --- 36 unchanged lines hidden (view full) --- 541#endif /*INET6*/ 542 /* 543 * Kludge in test for whiteboard packets. 544 */ 545 else if (dport == 4567) 546 wb_print((const void *)(up + 1), length); 547 else if (ISPORT(CISCO_AUTORP_PORT)) 548 cisco_autorp_print((const void *)(up + 1), length); | 639 else if (ISPORT(TFTP_PORT)) 640 tftp_print((const u_char *)(up + 1), length); 641 else if (ISPORT(IPPORT_BOOTPC) || ISPORT(IPPORT_BOOTPS)) 642 bootp_print((const u_char *)(up + 1), length, 643 sport, dport); 644 else if (ISPORT(RIP_PORT)) 645 rip_print((const u_char *)(up + 1), length); 646 else if (ISPORT(ISAKMP_PORT)) --- 36 unchanged lines hidden (view full) --- 683#endif /*INET6*/ 684 /* 685 * Kludge in test for whiteboard packets. 686 */ 687 else if (dport == 4567) 688 wb_print((const void *)(up + 1), length); 689 else if (ISPORT(CISCO_AUTORP_PORT)) 690 cisco_autorp_print((const void *)(up + 1), length); |
691 else if (ISPORT(RADIUS_PORT) || 692 ISPORT(RADIUS_NEW_PORT) || 693 ISPORT(RADIUS_ACCOUNTING_PORT) || 694 ISPORT(RADIUS_NEW_ACCOUNTING_PORT) ) 695 radius_print((const u_char *)(up+1), length); |
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549 else 550 (void)printf(" udp %u", 551 (u_int32_t)(ulen - sizeof(*up))); 552#undef ISPORT 553 } else 554 (void)printf(" udp %u", (u_int32_t)(ulen - sizeof(*up))); 555} | 696 else 697 (void)printf(" udp %u", 698 (u_int32_t)(ulen - sizeof(*up))); 699#undef ISPORT 700 } else 701 (void)printf(" udp %u", (u_int32_t)(ulen - sizeof(*up))); 702} |