usr.bin/netstat/ipx.c

   1 /*
   2  * Copyright (c) 1983, 1988, 1993
   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 the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  *
  33  * @(#)ns.c     8.1 (Berkeley) 6/6/93
  34  * $FreeBSD: src/usr.bin/netstat/ipx.c,v 1.13.2.1 2001/08/10 09:07:09 ru Exp $
  35  * $DragonFly: src/usr.bin/netstat/ipx.c,v 1.3 2005/08/04 17:31:23 drhodus Exp $
  36  */
  37
  38 #include <sys/param.h>
  39 #include <sys/queue.h>
  40 #include <sys/socket.h>
  41 #include <sys/socketvar.h>
  42 #include <sys/protosw.h>
  43
  44 #include <net/route.h>
  45
  46 #include <netinet/tcp_fsm.h>
  47
  48 #include <netipx/ipx.h>
  49 #include <netipx/ipx_pcb.h>
  50 #include <netipx/ipx_var.h>
  51 #ifdef IPXERRORMSGS
  52 #include <netipx/ipx_error.h>
  53 #endif
  54 #include <netipx/spx.h>
  55 #include <netipx/spx_timer.h>
  56 #include <netipx/spx_var.h>
  57 #define SANAMES
  58 #include <netipx/spx_debug.h>
  59
  60 #include <nlist.h>
  61 #include <errno.h>
  62 #include <stdio.h>
  63 #include <string.h>
  64 #include "netstat.h"
  65
  66 struct  ipxpcb ipxpcb;
  67 struct  spxpcb spxpcb;
  68 struct  socket sockb;
  69
  70 static char *ipx_prpr (struct ipx_addr *);
  71
  72 static  int first = 1;
  73
  74 /*
  75  * Print a summary of connections related to a Network Systems
  76  * protocol.  For SPX, also give state of connection.
  77  * Listening processes (aflag) are suppressed unless the
  78  * -a (all) flag is specified.
  79  */
  80
  81 void
  82 ipxprotopr(u_long off, char *name, int af __unused)
  83 {
  84         struct ipxpcb cb;
  85         struct ipxpcb *prev, *next;
  86         int isspx;
  87
  88         if (off == 0)
  89                 return;
  90         isspx = strcmp(name, "spx") == 0;
  91         kread(off, (char *)&cb, sizeof (struct ipxpcb));
  92         ipxpcb = cb;
  93         prev = (struct ipxpcb *)off;
  94         if (ipxpcb.ipxp_next == (struct ipxpcb *)off)
  95                 return;
  96         for (;ipxpcb.ipxp_next != (struct ipxpcb *)off; prev = next) {
  97                 u_long ppcb;
  98
  99                 next = ipxpcb.ipxp_next;
 100                 kread((u_long)next, (char *)&ipxpcb, sizeof (ipxpcb));
 101                 if (ipxpcb.ipxp_prev != prev) {
 102                         printf("???\n");
 103                         break;
 104                 }
 105                 if (!aflag && ipx_nullhost(ipxpcb.ipxp_faddr) ) {
 106                         continue;
 107                 }
 108                 kread((u_long)ipxpcb.ipxp_socket,
 109                                 (char *)&sockb, sizeof (sockb));
 110                 ppcb = (u_long) ipxpcb.ipxp_pcb;
 111                 if (ppcb) {
 112                         if (isspx) {
 113                                 kread(ppcb, (char *)&spxpcb, sizeof (spxpcb));
 114                         } else continue;
 115                 } else
 116                         if (isspx) continue;
 117                 if (first) {
 118                         printf("Active IPX connections");
 119                         if (aflag)
 120                                 printf(" (including servers)");
 121                         putchar('\n');
 122                         if (Aflag)
 123                                 printf("%-8.8s ", "PCB");
 124                         printf(Aflag ?
 125                                 "%-5.5s %-6.6s %-6.6s  %-18.18s %-18.18s %s\n" :
 126                                 "%-5.5s %-6.6s %-6.6s  %-22.22s %-22.22s %s\n",
 127                                 "Proto", "Recv-Q", "Send-Q",
 128                                 "Local Address", "Foreign Address", "(state)");
 129                         first = 0;
 130                 }
 131                 if (Aflag)
 132                         printf("%8lx ", ppcb);
 133                 printf("%-5.5s %6ld %6ld ", name, sockb.so_rcv.sb_cc,
 134                         sockb.so_snd.sb_cc);
 135                 printf(Aflag?" %-18.18s":" %-22.22s", ipx_prpr(&ipxpcb.ipxp_laddr));
 136                 printf(Aflag?" %-18.18s":" %-22.22s", ipx_prpr(&ipxpcb.ipxp_faddr));
 137                 if (isspx) {
 138                         extern char *tcpstates[];
 139                         if (spxpcb.s_state >= TCP_NSTATES)
 140                                 printf(" %d", spxpcb.s_state);
 141                         else
 142                                 printf(" %s", tcpstates[spxpcb.s_state]);
 143                 }
 144                 putchar('\n');
 145                 prev = next;
 146         }
 147 }
 148
 149 #define ANY(x,y,z) \
 150             if (x || sflag <= 1) printf("\t%u %s%s%s\n", x, y, plural(x), z)
 151 #define ANYl(x,y,z) \
 152             if (x || sflag <= 1) printf("\t%lu %s%s%s\n", x, y, plural(x), z)
 153
 154 /*
 155  * Dump SPX statistics structure.
 156  */
 157 void
 158 spx_stats(u_long off, char *name, int af __unused)
 159 {
 160         struct spx_istat spx_istat;
 161 #define spxstat spx_istat.newstats
 162
 163         if (off == 0)
 164                 return;
 165         kread(off, (char *)&spx_istat, sizeof (spx_istat));
 166         printf("%s:\n", name);
 167         ANY(spx_istat.nonucn, "connection", " dropped due to no new sockets ");
 168         ANY(spx_istat.gonawy, "connection", " terminated due to our end dying");
 169         ANY(spx_istat.nonucn, "connection",
 170             " dropped due to inability to connect");
 171         ANY(spx_istat.noconn, "connection",
 172             " dropped due to inability to connect");
 173         ANY(spx_istat.notme, "connection",
 174             " incompleted due to mismatched id's");
 175         ANY(spx_istat.wrncon, "connection", " dropped due to mismatched id's");
 176         ANY(spx_istat.bdreas, "packet", " dropped out of sequence");
 177         ANY(spx_istat.lstdup, "packet", " duplicating the highest packet");
 178         ANY(spx_istat.notyet, "packet", " refused as exceeding allocation");
 179         ANYl(spxstat.spxs_connattempt, "connection", " initiated");
 180         ANYl(spxstat.spxs_accepts, "connection", " accepted");
 181         ANYl(spxstat.spxs_connects, "connection", " established");
 182         ANYl(spxstat.spxs_drops, "connection", " dropped");
 183         ANYl(spxstat.spxs_conndrops, "embryonic connection", " dropped");
 184         ANYl(spxstat.spxs_closed, "connection", " closed (includes drops)");
 185         ANYl(spxstat.spxs_segstimed, "packet", " where we tried to get rtt");
 186         ANYl(spxstat.spxs_rttupdated, "time", " we got rtt");
 187         ANYl(spxstat.spxs_delack, "delayed ack", " sent");
 188         ANYl(spxstat.spxs_timeoutdrop, "connection",
 189             " dropped in rxmt timeout");
 190         ANYl(spxstat.spxs_rexmttimeo, "retransmit timeout", "");
 191         ANYl(spxstat.spxs_persisttimeo, "persist timeout", "");
 192         ANYl(spxstat.spxs_keeptimeo, "keepalive timeout", "");
 193         ANYl(spxstat.spxs_keepprobe, "keepalive probe", " sent");
 194         ANYl(spxstat.spxs_keepdrops, "connection", " dropped in keepalive");
 195         ANYl(spxstat.spxs_sndtotal, "total packet", " sent");
 196         ANYl(spxstat.spxs_sndpack, "data packet", " sent");
 197         ANYl(spxstat.spxs_sndbyte, "data byte", " sent");
 198         ANYl(spxstat.spxs_sndrexmitpack, "data packet", " retransmitted");
 199         ANYl(spxstat.spxs_sndrexmitbyte, "data byte", " retransmitted");
 200         ANYl(spxstat.spxs_sndacks, "ack-only packet", " sent");
 201         ANYl(spxstat.spxs_sndprobe, "window probe", " sent");
 202         ANYl(spxstat.spxs_sndurg, "packet", " sent with URG only");
 203         ANYl(spxstat.spxs_sndwinup, "window update-only packet", " sent");
 204         ANYl(spxstat.spxs_sndctrl, "control (SYN|FIN|RST) packet", " sent");
 205         ANYl(spxstat.spxs_sndvoid, "request", " to send a non-existant packet");
 206         ANYl(spxstat.spxs_rcvtotal, "total packet", " received");
 207         ANYl(spxstat.spxs_rcvpack, "packet", " received in sequence");
 208         ANYl(spxstat.spxs_rcvbyte, "byte", " received in sequence");
 209         ANYl(spxstat.spxs_rcvbadsum, "packet", " received with ccksum errs");
 210         ANYl(spxstat.spxs_rcvbadoff, "packet", " received with bad offset");
 211         ANYl(spxstat.spxs_rcvshort, "packet", " received too short");
 212         ANYl(spxstat.spxs_rcvduppack, "duplicate-only packet", " received");
 213         ANYl(spxstat.spxs_rcvdupbyte, "duplicate-only byte", " received");
 214         ANYl(spxstat.spxs_rcvpartduppack, "packet",
 215             " with some duplicate data");
 216         ANYl(spxstat.spxs_rcvpartdupbyte, "dup. byte", " in part-dup. packet");
 217         ANYl(spxstat.spxs_rcvoopack, "out-of-order packet", " received");
 218         ANYl(spxstat.spxs_rcvoobyte, "out-of-order byte", " received");
 219         ANYl(spxstat.spxs_rcvpackafterwin, "packet", " with data after window");
 220         ANYl(spxstat.spxs_rcvbyteafterwin, "byte", " rcvd after window");
 221         ANYl(spxstat.spxs_rcvafterclose, "packet", " rcvd after 'close'");
 222         ANYl(spxstat.spxs_rcvwinprobe, "rcvd window probe packet", "");
 223         ANYl(spxstat.spxs_rcvdupack, "rcvd duplicate ack", "");
 224         ANYl(spxstat.spxs_rcvacktoomuch, "rcvd ack", " for unsent data");
 225         ANYl(spxstat.spxs_rcvackpack, "rcvd ack packet", "");
 226         ANYl(spxstat.spxs_rcvackbyte, "byte", " acked by rcvd acks");
 227         ANYl(spxstat.spxs_rcvwinupd, "rcvd window update packet", "");
 228 }
 229
 230 /*
 231  * Dump IPX statistics structure.
 232  */
 233 void
 234 ipx_stats(u_long off, char *name, int af __unused)
 235 {
 236         struct ipxstat ipxstat;
 237
 238         if (off == 0)
 239                 return;
 240         kread(off, (char *)&ipxstat, sizeof (ipxstat));
 241         printf("%s:\n", name);
 242         ANYl(ipxstat.ipxs_total, "total packet", " received");
 243         ANYl(ipxstat.ipxs_badsum, "packet", " with bad checksums");
 244         ANYl(ipxstat.ipxs_tooshort, "packet", " smaller than advertised");
 245         ANYl(ipxstat.ipxs_toosmall, "packet", " smaller than a header");
 246         ANYl(ipxstat.ipxs_forward, "packet", " forwarded");
 247         ANYl(ipxstat.ipxs_cantforward, "packet", " not forwardable");
 248         ANYl(ipxstat.ipxs_delivered, "packet", " for this host");
 249         ANYl(ipxstat.ipxs_localout, "packet", " sent from this host");
 250         ANYl(ipxstat.ipxs_odropped, "packet", " dropped due to no bufs, etc.");
 251         ANYl(ipxstat.ipxs_noroute, "packet", " discarded due to no route");
 252         ANYl(ipxstat.ipxs_mtutoosmall, "packet", " too big");
 253 }
 254
 255 #ifdef IPXERRORMSGS
 256 static  struct {
 257         u_short code;
 258         char *name;
 259         char *where;
 260 } ipx_errnames[] = {
 261         {0, "Unspecified Error", " at Destination"},
 262         {1, "Bad Checksum", " at Destination"},
 263         {2, "No Listener", " at Socket"},
 264         {3, "Packet", " Refused due to lack of space at Destination"},
 265         {01000, "Unspecified Error", " while gatewayed"},
 266         {01001, "Bad Checksum", " while gatewayed"},
 267         {01002, "Packet", " forwarded too many times"},
 268         {01003, "Packet", " too large to be forwarded"},
 269         {-1, 0, 0},
 270 };
 271
 272 /*
 273  * Dump IPX Error statistics structure.
 274  */
 275 /*ARGSUSED*/
 276 void
 277 ipxerr_stats(u_long off, char *name, int af __unused)
 278 {
 279         struct ipx_errstat ipx_errstat;
 280         int j;
 281         int histoprint = 1;
 282         int z;
 283
 284         if (off == 0)
 285                 return;
 286         kread(off, (char *)&ipx_errstat, sizeof (ipx_errstat));
 287         printf("IPX error statistics:\n");
 288         ANY(ipx_errstat.ipx_es_error, "call", " to ipx_error");
 289         ANY(ipx_errstat.ipx_es_oldshort, "error",
 290                 " ignored due to insufficient addressing");
 291         ANY(ipx_errstat.ipx_es_oldipx_err, "error request",
 292                 " in response to error packets");
 293         ANY(ipx_errstat.ipx_es_tooshort, "error packet",
 294                 " received incomplete");
 295         ANY(ipx_errstat.ipx_es_badcode, "error packet",
 296                 " received of unknown type");
 297         for(j = 0; j < IPX_ERR_MAX; j ++) {
 298                 z = ipx_errstat.ipx_es_outhist[j];
 299                 if (z && histoprint) {
 300                         printf("Output Error Histogram:\n");
 301                         histoprint = 0;
 302                 }
 303                 ipx_erputil(z, ipx_errstat.ipx_es_codes[j]);
 304         }
 305         histoprint = 1;
 306         for(j = 0; j < IPX_ERR_MAX; j ++) {
 307                 z = ipx_errstat.ipx_es_inhist[j];
 308                 if (z && histoprint) {
 309                         printf("Input Error Histogram:\n");
 310                         histoprint = 0;
 311                 }
 312                 ipx_erputil(z, ipx_errstat.ipx_es_codes[j]);
 313         }
 314 }
 315
 316 static void
 317 ipx_erputil(int z, int c)
 318 {
 319         int j;
 320         char codebuf[30];
 321         char *name, *where;
 322
 323         for(j = 0;; j ++) {
 324                 if ((name = ipx_errnames[j].name) == 0)
 325                         break;
 326                 if (ipx_errnames[j].code == c)
 327                         break;
 328         }
 329         if (name == 0)  {
 330                 if (c > 01000)
 331                         where = "in transit";
 332                 else
 333                         where = "at destination";
 334                 sprintf(codebuf, "Unknown IPX error code 0%o", c);
 335                 name = codebuf;
 336         } else
 337                 where =  ipx_errnames[j].where;
 338         ANY(z, name, where);
 339 }
 340 #endif /* IPXERRORMSGS */
 341
 342 static struct sockaddr_ipx ssipx = {AF_IPX};
 343
 344 static
 345 char *ipx_prpr(struct ipx_addr *x)
 346 {
 347         struct sockaddr_ipx *sipx = &ssipx;
 348
 349         sipx->sipx_addr = *x;
 350         return(ipx_print((struct sockaddr *)sipx));
 351 }