41#include <arpa/tftp.h> 42 43#include <rpc/rpc.h> 44 45#include <stdio.h> 46 47#include "interface.h" 48#include "addrtoname.h" 49#include "appletalk.h" 50 51#include "nfs.h" 52#include "bootp.h" 53 54struct rtcphdr { 55 u_short rh_flags; /* T:2 P:1 CNT:5 PT:8 */ 56 u_short rh_len; /* length of message (in words) */ 57 u_int rh_ssrc; /* synchronization src id */ 58}; 59 60typedef struct { 61 u_int upper; /* more significant 32 bits */ 62 u_int lower; /* less significant 32 bits */ 63} ntp64; 64 65/* 66 * Sender report. 67 */ 68struct rtcp_sr { 69 ntp64 sr_ntp; /* 64-bit ntp timestamp */ 70 u_int sr_ts; /* reference media timestamp */ 71 u_int sr_np; /* no. packets sent */ 72 u_int sr_nb; /* no. bytes sent */ 73}; 74 75/* 76 * Receiver report. 77 * Time stamps are middle 32-bits of ntp timestamp. 78 */ 79struct rtcp_rr { 80 u_int rr_srcid; /* sender being reported */ 81 u_int rr_nl; /* no. packets lost */ 82 u_int rr_ls; /* extended last seq number received */ 83 u_int rr_dv; /* jitter (delay variance) */ 84 u_int rr_lsr; /* orig. ts from last rr from this src */ 85 u_int rr_dlsr; /* time from recpt of last rr to xmit time */ 86}; 87 88/*XXX*/ 89#define RTCP_PT_SR 200 90#define RTCP_PT_RR 201 91#define RTCP_PT_SDES 202 92#define RTCP_SDES_CNAME 1 93#define RTCP_SDES_NAME 2 94#define RTCP_SDES_EMAIL 3 95#define RTCP_SDES_PHONE 4 96#define RTCP_SDES_LOC 5 97#define RTCP_SDES_TOOL 6 98#define RTCP_SDES_NOTE 7 99#define RTCP_SDES_PRIV 8 100#define RTCP_PT_BYE 203 101#define RTCP_PT_APP 204 102 103static void 104vat_print(const void *hdr, u_int len, register const struct udphdr *up) 105{ 106 /* vat/vt audio */ 107 u_int ts = *(u_short *)hdr; 108 if ((ts & 0xf060) != 0) { 109 /* probably vt */ 110 (void)printf(" udp/vt %u %d / %d", 111 (u_int32_t)(ntohs(up->uh_ulen) - sizeof(*up)), 112 ts & 0x3ff, ts >> 10); 113 } else { 114 /* probably vat */ 115 u_int i0 = ntohl(((u_int *)hdr)[0]); 116 u_int i1 = ntohl(((u_int *)hdr)[1]); 117 printf(" udp/vat %u c%d %u%s", 118 (u_int32_t)(ntohs(up->uh_ulen) - sizeof(*up) - 8), 119 i0 & 0xffff, 120 i1, i0 & 0x800000? "*" : ""); 121 /* audio format */ 122 if (i0 & 0x1f0000) 123 printf(" f%d", (i0 >> 16) & 0x1f); 124 if (i0 & 0x3f000000) 125 printf(" s%d", (i0 >> 24) & 0x3f); 126 } 127} 128 129static void 130rtp_print(const void *hdr, u_int len, register const struct udphdr *up) 131{ 132 /* rtp v1 or v2 */ 133 u_int *ip = (u_int *)hdr; 134 u_int hasopt, hasext, contype, hasmarker; 135 u_int i0 = ntohl(((u_int *)hdr)[0]); 136 u_int i1 = ntohl(((u_int *)hdr)[1]); 137 u_int dlen = ntohs(up->uh_ulen) - sizeof(*up) - 8; 138 const char * ptype; 139 140 ip += 2; 141 len >>= 2; 142 len -= 2; 143 hasopt = 0; 144 hasext = 0; 145 if ((i0 >> 30) == 1) { 146 /* rtp v1 */ 147 hasopt = i0 & 0x800000; 148 contype = (i0 >> 16) & 0x3f; 149 hasmarker = i0 & 0x400000; 150 ptype = "rtpv1"; 151 } else { 152 /* rtp v2 */ 153 hasext = i0 & 0x10000000; 154 contype = (i0 >> 16) & 0x7f; 155 hasmarker = i0 & 0x800000; 156 dlen -= 4; 157 ptype = "rtp"; 158 ip += 1; 159 len -= 1; 160 } 161 printf(" udp/%s %d c%d %s%s %d %u", 162 ptype, 163 dlen, 164 contype, 165 (hasopt || hasext)? "+" : "", 166 hasmarker? "*" : "", 167 i0 & 0xffff, 168 i1); 169 if (vflag) { 170 printf(" %u", i1); 171 if (hasopt) { 172 u_int i2, optlen; 173 do { 174 i2 = ip[0]; 175 optlen = (i2 >> 16) & 0xff; 176 if (optlen == 0 || optlen > len) { 177 printf(" !opt"); 178 return; 179 } 180 ip += optlen; 181 len -= optlen; 182 } while ((int)i2 >= 0); 183 } 184 if (hasext) { 185 u_int i2, extlen; 186 i2 = ip[0]; 187 extlen = (i2 & 0xffff) + 1; 188 if (extlen > len) { 189 printf(" !ext"); 190 return; 191 } 192 ip += extlen; 193 } 194 if (contype == 0x1f) /*XXX H.261 */ 195 printf(" 0x%04x", ip[0] >> 16); 196 } 197} 198 199static const u_char * 200rtcp_print(const u_char *hdr, const u_char *ep) 201{ 202 /* rtp v2 control (rtcp) */ 203 struct rtcp_rr *rr = 0; 204 struct rtcp_sr *sr; 205 struct rtcphdr *rh = (struct rtcphdr *)hdr; 206 u_int len; 207 u_short flags; 208 int cnt; 209 double ts, dts; 210 if ((u_char *)(rh + 1) > ep) { 211 printf(" [|rtcp]"); 212 return (ep); 213 } 214 len = (ntohs(rh->rh_len) + 1) * 4; 215 flags = ntohs(rh->rh_flags); 216 cnt = (flags >> 8) & 0x1f; 217 switch (flags & 0xff) { 218 case RTCP_PT_SR: 219 sr = (struct rtcp_sr *)(rh + 1); 220 printf(" sr"); 221 if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh)) 222 printf(" [%d]", len); 223 if (vflag) 224 printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); 225 if ((u_char *)(sr + 1) > ep) { 226 printf(" [|rtcp]"); 227 return (ep); 228 } 229 ts = (double)((u_int32_t)ntohl(sr->sr_ntp.upper)) + 230 ((double)((u_int32_t)ntohl(sr->sr_ntp.lower)) / 231 4294967296.0); 232 printf(" @%.2f %u %up %ub", ts, (u_int32_t)ntohl(sr->sr_ts), 233 (u_int32_t)ntohl(sr->sr_np), (u_int32_t)ntohl(sr->sr_nb)); 234 rr = (struct rtcp_rr *)(sr + 1); 235 break; 236 case RTCP_PT_RR: 237 printf(" rr"); 238 if (len != cnt * sizeof(*rr) + sizeof(*rh)) 239 printf(" [%d]", len); 240 rr = (struct rtcp_rr *)(rh + 1); 241 if (vflag) 242 printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); 243 break; 244 case RTCP_PT_SDES: 245 printf(" sdes %d", len); 246 if (vflag) 247 printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); 248 cnt = 0; 249 break; 250 case RTCP_PT_BYE: 251 printf(" bye %d", len); 252 if (vflag) 253 printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); 254 cnt = 0; 255 break; 256 default: 257 printf(" type-0x%x %d", flags & 0xff, len); 258 cnt = 0; 259 break; 260 } 261 if (cnt > 1) 262 printf(" c%d", cnt); 263 while (--cnt >= 0) { 264 if ((u_char *)(rr + 1) > ep) { 265 printf(" [|rtcp]"); 266 return (ep); 267 } 268 if (vflag) 269 printf(" %u", (u_int32_t)ntohl(rr->rr_srcid)); 270 ts = (double)((u_int32_t)ntohl(rr->rr_lsr)) / 65536.; 271 dts = (double)((u_int32_t)ntohl(rr->rr_dlsr)) / 65536.; 272 printf(" %ul %us %uj @%.2f+%.2f", 273 (u_int32_t)ntohl(rr->rr_nl) & 0x00ffffff, 274 (u_int32_t)ntohl(rr->rr_ls), 275 (u_int32_t)ntohl(rr->rr_dv), ts, dts); 276 } 277 return (hdr + len); 278} 279 280/* XXX probably should use getservbyname() and cache answers */ 281#define TFTP_PORT 69 /*XXX*/ 282#define KERBEROS_PORT 88 /*XXX*/ 283#define SUNRPC_PORT 111 /*XXX*/ 284#define SNMP_PORT 161 /*XXX*/ 285#define NTP_PORT 123 /*XXX*/ 286#define SNMPTRAP_PORT 162 /*XXX*/ 287#define RIP_PORT 520 /*XXX*/ 288#define KERBEROS_SEC_PORT 750 /*XXX*/ 289 290void 291udp_print(register const u_char *bp, u_int length, register const u_char *bp2) 292{ 293 register const struct udphdr *up; 294 register const struct ip *ip; 295 register const u_char *cp; 296 register const u_char *ep = bp + length; 297 u_short sport, dport, ulen; 298 299 if (ep > snapend) 300 ep = snapend; 301 up = (struct udphdr *)bp; 302 ip = (struct ip *)bp2; 303 cp = (u_char *)(up + 1); 304 if (cp > snapend) { 305 printf("[|udp]"); 306 return; 307 } 308 if (length < sizeof(struct udphdr)) { 309 (void)printf(" truncated-udp %d", length); 310 return; 311 } 312 length -= sizeof(struct udphdr); 313 314 sport = ntohs(up->uh_sport); 315 dport = ntohs(up->uh_dport); 316 ulen = ntohs(up->uh_ulen); 317 if (packettype) { 318 register struct rpc_msg *rp; 319 enum msg_type direction; 320 321 switch (packettype) { 322 323 case PT_VAT: 324 (void)printf("%s.%s > %s.%s:", 325 ipaddr_string(&ip->ip_src), 326 udpport_string(sport), 327 ipaddr_string(&ip->ip_dst), 328 udpport_string(dport)); 329 vat_print((void *)(up + 1), length, up); 330 break; 331 332 case PT_WB: 333 (void)printf("%s.%s > %s.%s:", 334 ipaddr_string(&ip->ip_src), 335 udpport_string(sport), 336 ipaddr_string(&ip->ip_dst), 337 udpport_string(dport)); 338 wb_print((void *)(up + 1), length); 339 break; 340 341 case PT_RPC: 342 rp = (struct rpc_msg *)(up + 1); 343 direction = (enum msg_type)ntohl(rp->rm_direction); 344 if (direction == CALL) 345 sunrpcrequest_print((u_char *)rp, length, 346 (u_char *)ip); 347 else 348 nfsreply_print((u_char *)rp, length, 349 (u_char *)ip); /*XXX*/ 350 break; 351 352 case PT_RTP: 353 (void)printf("%s.%s > %s.%s:", 354 ipaddr_string(&ip->ip_src), 355 udpport_string(sport), 356 ipaddr_string(&ip->ip_dst), 357 udpport_string(dport)); 358 rtp_print((void *)(up + 1), length, up); 359 break; 360 361 case PT_RTCP: 362 (void)printf("%s.%s > %s.%s:", 363 ipaddr_string(&ip->ip_src), 364 udpport_string(sport), 365 ipaddr_string(&ip->ip_dst), 366 udpport_string(dport)); 367 while (cp < ep) 368 cp = rtcp_print(cp, ep); 369 break; 370 } 371 return; 372 } 373 374 if (!qflag) { 375 register struct rpc_msg *rp; 376 enum msg_type direction; 377 378 rp = (struct rpc_msg *)(up + 1); 379 if (TTEST(rp->rm_direction)) { 380 direction = (enum msg_type)ntohl(rp->rm_direction); 381 if (dport == NFS_PORT && direction == CALL) { 382 nfsreq_print((u_char *)rp, length, 383 (u_char *)ip); 384 return; 385 } 386 if (sport == NFS_PORT && direction == REPLY) { 387 nfsreply_print((u_char *)rp, length, 388 (u_char *)ip); 389 return; 390 } 391#ifdef notdef 392 if (dport == SUNRPC_PORT && direction == CALL) { 393 sunrpcrequest_print((u_char *)rp, length, (u_char *)ip); 394 return; 395 } 396#endif 397 } 398 if (TTEST(((struct LAP *)cp)->type) && 399 ((struct LAP *)cp)->type == lapDDP && 400 (atalk_port(sport) || atalk_port(dport))) { 401 if (vflag) 402 fputs("kip ", stdout); 403 atalk_print(cp, length); 404 return; 405 } 406 } 407 (void)printf("%s.%s > %s.%s:", 408 ipaddr_string(&ip->ip_src), udpport_string(sport), 409 ipaddr_string(&ip->ip_dst), udpport_string(dport)); 410 411 if (!qflag) { 412#define ISPORT(p) (dport == (p) || sport == (p)) 413 if (ISPORT(NAMESERVER_PORT)) 414 ns_print((const u_char *)(up + 1), length); 415 else if (ISPORT(TFTP_PORT)) 416 tftp_print((const u_char *)(up + 1), length); 417 else if (ISPORT(IPPORT_BOOTPC) || ISPORT(IPPORT_BOOTPS)) 418 bootp_print((const u_char *)(up + 1), length, 419 sport, dport); 420 else if (ISPORT(RIP_PORT)) 421 rip_print((const u_char *)(up + 1), length); 422 else if (ISPORT(SNMP_PORT) || ISPORT(SNMPTRAP_PORT)) 423 snmp_print((const u_char *)(up + 1), length); 424 else if (ISPORT(NTP_PORT)) 425 ntp_print((const u_char *)(up + 1), length); 426 else if (ISPORT(KERBEROS_PORT) || ISPORT(KERBEROS_SEC_PORT)) 427 krb_print((const void *)(up + 1), length); 428 else if (dport == 3456) 429 vat_print((const void *)(up + 1), length, up); 430 /* 431 * Kludge in test for whiteboard packets. 432 */ 433 else if (dport == 4567) 434 wb_print((const void *)(up + 1), length); 435 else 436 (void)printf(" udp %u", 437 (u_int32_t)(ulen - sizeof(*up))); 438#undef ISPORT 439 } else 440 (void)printf(" udp %u", (u_int32_t)(ulen - sizeof(*up))); 441}
| 48#include <arpa/tftp.h> 49 50#include <rpc/rpc.h> 51 52#include <stdio.h> 53 54#include "interface.h" 55#include "addrtoname.h" 56#include "appletalk.h" 57 58#include "nfs.h" 59#include "bootp.h" 60 61struct rtcphdr { 62 u_short rh_flags; /* T:2 P:1 CNT:5 PT:8 */ 63 u_short rh_len; /* length of message (in words) */ 64 u_int rh_ssrc; /* synchronization src id */ 65}; 66 67typedef struct { 68 u_int upper; /* more significant 32 bits */ 69 u_int lower; /* less significant 32 bits */ 70} ntp64; 71 72/* 73 * Sender report. 74 */ 75struct rtcp_sr { 76 ntp64 sr_ntp; /* 64-bit ntp timestamp */ 77 u_int sr_ts; /* reference media timestamp */ 78 u_int sr_np; /* no. packets sent */ 79 u_int sr_nb; /* no. bytes sent */ 80}; 81 82/* 83 * Receiver report. 84 * Time stamps are middle 32-bits of ntp timestamp. 85 */ 86struct rtcp_rr { 87 u_int rr_srcid; /* sender being reported */ 88 u_int rr_nl; /* no. packets lost */ 89 u_int rr_ls; /* extended last seq number received */ 90 u_int rr_dv; /* jitter (delay variance) */ 91 u_int rr_lsr; /* orig. ts from last rr from this src */ 92 u_int rr_dlsr; /* time from recpt of last rr to xmit time */ 93}; 94 95/*XXX*/ 96#define RTCP_PT_SR 200 97#define RTCP_PT_RR 201 98#define RTCP_PT_SDES 202 99#define RTCP_SDES_CNAME 1 100#define RTCP_SDES_NAME 2 101#define RTCP_SDES_EMAIL 3 102#define RTCP_SDES_PHONE 4 103#define RTCP_SDES_LOC 5 104#define RTCP_SDES_TOOL 6 105#define RTCP_SDES_NOTE 7 106#define RTCP_SDES_PRIV 8 107#define RTCP_PT_BYE 203 108#define RTCP_PT_APP 204 109 110static void 111vat_print(const void *hdr, u_int len, register const struct udphdr *up) 112{ 113 /* vat/vt audio */ 114 u_int ts = *(u_short *)hdr; 115 if ((ts & 0xf060) != 0) { 116 /* probably vt */ 117 (void)printf(" udp/vt %u %d / %d", 118 (u_int32_t)(ntohs(up->uh_ulen) - sizeof(*up)), 119 ts & 0x3ff, ts >> 10); 120 } else { 121 /* probably vat */ 122 u_int i0 = ntohl(((u_int *)hdr)[0]); 123 u_int i1 = ntohl(((u_int *)hdr)[1]); 124 printf(" udp/vat %u c%d %u%s", 125 (u_int32_t)(ntohs(up->uh_ulen) - sizeof(*up) - 8), 126 i0 & 0xffff, 127 i1, i0 & 0x800000? "*" : ""); 128 /* audio format */ 129 if (i0 & 0x1f0000) 130 printf(" f%d", (i0 >> 16) & 0x1f); 131 if (i0 & 0x3f000000) 132 printf(" s%d", (i0 >> 24) & 0x3f); 133 } 134} 135 136static void 137rtp_print(const void *hdr, u_int len, register const struct udphdr *up) 138{ 139 /* rtp v1 or v2 */ 140 u_int *ip = (u_int *)hdr; 141 u_int hasopt, hasext, contype, hasmarker; 142 u_int i0 = ntohl(((u_int *)hdr)[0]); 143 u_int i1 = ntohl(((u_int *)hdr)[1]); 144 u_int dlen = ntohs(up->uh_ulen) - sizeof(*up) - 8; 145 const char * ptype; 146 147 ip += 2; 148 len >>= 2; 149 len -= 2; 150 hasopt = 0; 151 hasext = 0; 152 if ((i0 >> 30) == 1) { 153 /* rtp v1 */ 154 hasopt = i0 & 0x800000; 155 contype = (i0 >> 16) & 0x3f; 156 hasmarker = i0 & 0x400000; 157 ptype = "rtpv1"; 158 } else { 159 /* rtp v2 */ 160 hasext = i0 & 0x10000000; 161 contype = (i0 >> 16) & 0x7f; 162 hasmarker = i0 & 0x800000; 163 dlen -= 4; 164 ptype = "rtp"; 165 ip += 1; 166 len -= 1; 167 } 168 printf(" udp/%s %d c%d %s%s %d %u", 169 ptype, 170 dlen, 171 contype, 172 (hasopt || hasext)? "+" : "", 173 hasmarker? "*" : "", 174 i0 & 0xffff, 175 i1); 176 if (vflag) { 177 printf(" %u", i1); 178 if (hasopt) { 179 u_int i2, optlen; 180 do { 181 i2 = ip[0]; 182 optlen = (i2 >> 16) & 0xff; 183 if (optlen == 0 || optlen > len) { 184 printf(" !opt"); 185 return; 186 } 187 ip += optlen; 188 len -= optlen; 189 } while ((int)i2 >= 0); 190 } 191 if (hasext) { 192 u_int i2, extlen; 193 i2 = ip[0]; 194 extlen = (i2 & 0xffff) + 1; 195 if (extlen > len) { 196 printf(" !ext"); 197 return; 198 } 199 ip += extlen; 200 } 201 if (contype == 0x1f) /*XXX H.261 */ 202 printf(" 0x%04x", ip[0] >> 16); 203 } 204} 205 206static const u_char * 207rtcp_print(const u_char *hdr, const u_char *ep) 208{ 209 /* rtp v2 control (rtcp) */ 210 struct rtcp_rr *rr = 0; 211 struct rtcp_sr *sr; 212 struct rtcphdr *rh = (struct rtcphdr *)hdr; 213 u_int len; 214 u_short flags; 215 int cnt; 216 double ts, dts; 217 if ((u_char *)(rh + 1) > ep) { 218 printf(" [|rtcp]"); 219 return (ep); 220 } 221 len = (ntohs(rh->rh_len) + 1) * 4; 222 flags = ntohs(rh->rh_flags); 223 cnt = (flags >> 8) & 0x1f; 224 switch (flags & 0xff) { 225 case RTCP_PT_SR: 226 sr = (struct rtcp_sr *)(rh + 1); 227 printf(" sr"); 228 if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh)) 229 printf(" [%d]", len); 230 if (vflag) 231 printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); 232 if ((u_char *)(sr + 1) > ep) { 233 printf(" [|rtcp]"); 234 return (ep); 235 } 236 ts = (double)((u_int32_t)ntohl(sr->sr_ntp.upper)) + 237 ((double)((u_int32_t)ntohl(sr->sr_ntp.lower)) / 238 4294967296.0); 239 printf(" @%.2f %u %up %ub", ts, (u_int32_t)ntohl(sr->sr_ts), 240 (u_int32_t)ntohl(sr->sr_np), (u_int32_t)ntohl(sr->sr_nb)); 241 rr = (struct rtcp_rr *)(sr + 1); 242 break; 243 case RTCP_PT_RR: 244 printf(" rr"); 245 if (len != cnt * sizeof(*rr) + sizeof(*rh)) 246 printf(" [%d]", len); 247 rr = (struct rtcp_rr *)(rh + 1); 248 if (vflag) 249 printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); 250 break; 251 case RTCP_PT_SDES: 252 printf(" sdes %d", len); 253 if (vflag) 254 printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); 255 cnt = 0; 256 break; 257 case RTCP_PT_BYE: 258 printf(" bye %d", len); 259 if (vflag) 260 printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); 261 cnt = 0; 262 break; 263 default: 264 printf(" type-0x%x %d", flags & 0xff, len); 265 cnt = 0; 266 break; 267 } 268 if (cnt > 1) 269 printf(" c%d", cnt); 270 while (--cnt >= 0) { 271 if ((u_char *)(rr + 1) > ep) { 272 printf(" [|rtcp]"); 273 return (ep); 274 } 275 if (vflag) 276 printf(" %u", (u_int32_t)ntohl(rr->rr_srcid)); 277 ts = (double)((u_int32_t)ntohl(rr->rr_lsr)) / 65536.; 278 dts = (double)((u_int32_t)ntohl(rr->rr_dlsr)) / 65536.; 279 printf(" %ul %us %uj @%.2f+%.2f", 280 (u_int32_t)ntohl(rr->rr_nl) & 0x00ffffff, 281 (u_int32_t)ntohl(rr->rr_ls), 282 (u_int32_t)ntohl(rr->rr_dv), ts, dts); 283 } 284 return (hdr + len); 285} 286 287/* XXX probably should use getservbyname() and cache answers */ 288#define TFTP_PORT 69 /*XXX*/ 289#define KERBEROS_PORT 88 /*XXX*/ 290#define SUNRPC_PORT 111 /*XXX*/ 291#define SNMP_PORT 161 /*XXX*/ 292#define NTP_PORT 123 /*XXX*/ 293#define SNMPTRAP_PORT 162 /*XXX*/ 294#define RIP_PORT 520 /*XXX*/ 295#define KERBEROS_SEC_PORT 750 /*XXX*/ 296 297void 298udp_print(register const u_char *bp, u_int length, register const u_char *bp2) 299{ 300 register const struct udphdr *up; 301 register const struct ip *ip; 302 register const u_char *cp; 303 register const u_char *ep = bp + length; 304 u_short sport, dport, ulen; 305 306 if (ep > snapend) 307 ep = snapend; 308 up = (struct udphdr *)bp; 309 ip = (struct ip *)bp2; 310 cp = (u_char *)(up + 1); 311 if (cp > snapend) { 312 printf("[|udp]"); 313 return; 314 } 315 if (length < sizeof(struct udphdr)) { 316 (void)printf(" truncated-udp %d", length); 317 return; 318 } 319 length -= sizeof(struct udphdr); 320 321 sport = ntohs(up->uh_sport); 322 dport = ntohs(up->uh_dport); 323 ulen = ntohs(up->uh_ulen); 324 if (packettype) { 325 register struct rpc_msg *rp; 326 enum msg_type direction; 327 328 switch (packettype) { 329 330 case PT_VAT: 331 (void)printf("%s.%s > %s.%s:", 332 ipaddr_string(&ip->ip_src), 333 udpport_string(sport), 334 ipaddr_string(&ip->ip_dst), 335 udpport_string(dport)); 336 vat_print((void *)(up + 1), length, up); 337 break; 338 339 case PT_WB: 340 (void)printf("%s.%s > %s.%s:", 341 ipaddr_string(&ip->ip_src), 342 udpport_string(sport), 343 ipaddr_string(&ip->ip_dst), 344 udpport_string(dport)); 345 wb_print((void *)(up + 1), length); 346 break; 347 348 case PT_RPC: 349 rp = (struct rpc_msg *)(up + 1); 350 direction = (enum msg_type)ntohl(rp->rm_direction); 351 if (direction == CALL) 352 sunrpcrequest_print((u_char *)rp, length, 353 (u_char *)ip); 354 else 355 nfsreply_print((u_char *)rp, length, 356 (u_char *)ip); /*XXX*/ 357 break; 358 359 case PT_RTP: 360 (void)printf("%s.%s > %s.%s:", 361 ipaddr_string(&ip->ip_src), 362 udpport_string(sport), 363 ipaddr_string(&ip->ip_dst), 364 udpport_string(dport)); 365 rtp_print((void *)(up + 1), length, up); 366 break; 367 368 case PT_RTCP: 369 (void)printf("%s.%s > %s.%s:", 370 ipaddr_string(&ip->ip_src), 371 udpport_string(sport), 372 ipaddr_string(&ip->ip_dst), 373 udpport_string(dport)); 374 while (cp < ep) 375 cp = rtcp_print(cp, ep); 376 break; 377 } 378 return; 379 } 380 381 if (!qflag) { 382 register struct rpc_msg *rp; 383 enum msg_type direction; 384 385 rp = (struct rpc_msg *)(up + 1); 386 if (TTEST(rp->rm_direction)) { 387 direction = (enum msg_type)ntohl(rp->rm_direction); 388 if (dport == NFS_PORT && direction == CALL) { 389 nfsreq_print((u_char *)rp, length, 390 (u_char *)ip); 391 return; 392 } 393 if (sport == NFS_PORT && direction == REPLY) { 394 nfsreply_print((u_char *)rp, length, 395 (u_char *)ip); 396 return; 397 } 398#ifdef notdef 399 if (dport == SUNRPC_PORT && direction == CALL) { 400 sunrpcrequest_print((u_char *)rp, length, (u_char *)ip); 401 return; 402 } 403#endif 404 } 405 if (TTEST(((struct LAP *)cp)->type) && 406 ((struct LAP *)cp)->type == lapDDP && 407 (atalk_port(sport) || atalk_port(dport))) { 408 if (vflag) 409 fputs("kip ", stdout); 410 atalk_print(cp, length); 411 return; 412 } 413 } 414 (void)printf("%s.%s > %s.%s:", 415 ipaddr_string(&ip->ip_src), udpport_string(sport), 416 ipaddr_string(&ip->ip_dst), udpport_string(dport)); 417 418 if (!qflag) { 419#define ISPORT(p) (dport == (p) || sport == (p)) 420 if (ISPORT(NAMESERVER_PORT)) 421 ns_print((const u_char *)(up + 1), length); 422 else if (ISPORT(TFTP_PORT)) 423 tftp_print((const u_char *)(up + 1), length); 424 else if (ISPORT(IPPORT_BOOTPC) || ISPORT(IPPORT_BOOTPS)) 425 bootp_print((const u_char *)(up + 1), length, 426 sport, dport); 427 else if (ISPORT(RIP_PORT)) 428 rip_print((const u_char *)(up + 1), length); 429 else if (ISPORT(SNMP_PORT) || ISPORT(SNMPTRAP_PORT)) 430 snmp_print((const u_char *)(up + 1), length); 431 else if (ISPORT(NTP_PORT)) 432 ntp_print((const u_char *)(up + 1), length); 433 else if (ISPORT(KERBEROS_PORT) || ISPORT(KERBEROS_SEC_PORT)) 434 krb_print((const void *)(up + 1), length); 435 else if (dport == 3456) 436 vat_print((const void *)(up + 1), length, up); 437 /* 438 * Kludge in test for whiteboard packets. 439 */ 440 else if (dport == 4567) 441 wb_print((const void *)(up + 1), length); 442 else 443 (void)printf(" udp %u", 444 (u_int32_t)(ulen - sizeof(*up))); 445#undef ISPORT 446 } else 447 (void)printf(" udp %u", (u_int32_t)(ulen - sizeof(*up))); 448}
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