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 1.6 2007/05/17 08:19:02 swildner Exp $
  36  */
  37
  38 #define _KERNEL_STRUCTURES
  39 #include <sys/param.h>
  40 #include <sys/queue.h>
  41 #include <sys/socket.h>
  42 #include <sys/socketvar.h>
  43 #include <sys/protosw.h>
  44
  45 #include <net/route.h>
  46
  47 #include <netinet/tcp_fsm.h>
  48
  49 #include <netipx/ipx.h>
  50 #include <netipx/ipx_pcb.h>
  51 #include <netipx/ipx_var.h>
  52 #ifdef IPXERRORMSGS
  53 #include <netipx/ipx_error.h>
  54 #endif
  55 #include <netipx/spx.h>
  56 #include <netipx/spx_timer.h>
  57 #include <netipx/spx_var.h>
  58 #define SANAMES
  59 #include <netipx/spx_debug.h>
  60
  61 #include <nlist.h>
  62 #include <errno.h>
  63 #include <stdio.h>
  64 #include <string.h>
  65 #include "netstat.h"
  66
  67 extern char *tcpstates[];
  68
  69 struct  ipxpcb ipxpcb;
  70 struct  spxpcb spxpcb;
  71 struct  socket sockb;
  72
  73 static char *ipx_prpr (struct ipx_addr *);
  74
  75 static  int first = 1;
  76
  77 /*
  78  * Print a summary of connections related to a Network Systems
  79  * protocol.  For SPX, also give state of connection.
  80  * Listening processes (aflag) are suppressed unless the
  81  * -a (all) flag is specified.
  82  */
  83
  84 void
  85 ipxprotopr(u_long off, const char *name, int af1 __unused)
  86 {
  87         struct ipxpcb cb;
  88         struct ipxpcb *prev, *next;
  89         int isspx;
  90
  91         if (off == 0)
  92                 return;
  93         isspx = strcmp(name, "spx") == 0;
  94         kread(off, (char *)&cb, sizeof (struct ipxpcb));
  95         ipxpcb = cb;
  96         prev = (struct ipxpcb *)off;
  97         if (ipxpcb.ipxp_next == (struct ipxpcb *)off)
  98                 return;
  99         for (;ipxpcb.ipxp_next != (struct ipxpcb *)off; prev = next) {
 100                 u_long ppcb;
 101
 102                 next = ipxpcb.ipxp_next;
 103                 kread((u_long)next, (char *)&ipxpcb, sizeof (ipxpcb));
 104                 if (ipxpcb.ipxp_prev != prev) {
 105                         printf("???\n");
 106                         break;
 107                 }
 108                 if (!aflag && ipx_nullhost(ipxpcb.ipxp_faddr) ) {
 109                         continue;
 110                 }
 111                 kread((u_long)ipxpcb.ipxp_socket,
 112                                 (char *)&sockb, sizeof (sockb));
 113                 ppcb = (u_long) ipxpcb.ipxp_pcb;
 114                 if (ppcb) {
 115                         if (isspx) {
 116                                 kread(ppcb, (char *)&spxpcb, sizeof (spxpcb));
 117                         } else continue;
 118                 } else
 119                         if (isspx) continue;
 120                 if (first) {
 121                         printf("Active IPX connections");
 122                         if (aflag)
 123                                 printf(" (including servers)");
 124                         putchar('\n');
 125                         if (Aflag)
 126                                 printf("%-8.8s ", "PCB");
 127                         printf(Aflag ?
 128                                 "%-5.5s %-6.6s %-6.6s  %-18.18s %-18.18s %s\n" :
 129                                 "%-5.5s %-6.6s %-6.6s  %-22.22s %-22.22s %s\n",
 130                                 "Proto", "Recv-Q", "Send-Q",
 131                                 "Local Address", "Foreign Address", "(state)");
 132                         first = 0;
 133                 }
 134                 if (Aflag)
 135                         printf("%8lx ", ppcb);
 136                 printf("%-5.5s %6ld %6ld ", name, sockb.so_rcv.ssb_cc,
 137                         sockb.so_snd.ssb_cc);
 138                 printf(Aflag?" %-18.18s":" %-22.22s", ipx_prpr(&ipxpcb.ipxp_laddr));
 139                 printf(Aflag?" %-18.18s":" %-22.22s", ipx_prpr(&ipxpcb.ipxp_faddr));
 140                 if (isspx) {
 141                         if (spxpcb.s_state >= TCP_NSTATES)
 142                                 printf(" %d", spxpcb.s_state);
 143                         else
 144                                 printf(" %s", tcpstates[spxpcb.s_state]);
 145                 }
 146                 putchar('\n');
 147                 prev = next;
 148         }
 149 }
 150
 151 #define ANY(x,y,z) \
 152             if (x || sflag <= 1) printf("\t%u %s%s%s\n", x, y, plural(x), z)
 153 #define ANYl(x,y,z) \
 154             if (x || sflag <= 1) printf("\t%lu %s%s%s\n", x, y, plural(x), z)
 155
 156 /*
 157  * Dump SPX statistics structure.
 158  */
 159 void
 160 spx_stats(u_long off, const char *name, int af1 __unused)
 161 {
 162         struct spx_istat spx_istat;
 163 #define spxstat spx_istat.newstats
 164
 165         if (off == 0)
 166                 return;
 167         kread(off, (char *)&spx_istat, sizeof (spx_istat));
 168         printf("%s:\n", name);
 169         ANY(spx_istat.nonucn, "connection", " dropped due to no new sockets ");
 170         ANY(spx_istat.gonawy, "connection", " terminated due to our end dying");
 171         ANY(spx_istat.nonucn, "connection",
 172             " dropped due to inability to connect");
 173         ANY(spx_istat.noconn, "connection",
 174             " dropped due to inability to connect");
 175         ANY(spx_istat.notme, "connection",
 176             " incompleted due to mismatched id's");
 177         ANY(spx_istat.wrncon, "connection", " dropped due to mismatched id's");
 178         ANY(spx_istat.bdreas, "packet", " dropped out of sequence");
 179         ANY(spx_istat.lstdup, "packet", " duplicating the highest packet");
 180         ANY(spx_istat.notyet, "packet", " refused as exceeding allocation");
 181         ANYl(spxstat.spxs_connattempt, "connection", " initiated");
 182         ANYl(spxstat.spxs_accepts, "connection", " accepted");
 183         ANYl(spxstat.spxs_connects, "connection", " established");
 184         ANYl(spxstat.spxs_drops, "connection", " dropped");
 185         ANYl(spxstat.spxs_conndrops, "embryonic connection", " dropped");
 186         ANYl(spxstat.spxs_closed, "connection", " closed (includes drops)");
 187         ANYl(spxstat.spxs_segstimed, "packet", " where we tried to get rtt");
 188         ANYl(spxstat.spxs_rttupdated, "time", " we got rtt");
 189         ANYl(spxstat.spxs_delack, "delayed ack", " sent");
 190         ANYl(spxstat.spxs_timeoutdrop, "connection",
 191             " dropped in rxmt timeout");
 192         ANYl(spxstat.spxs_rexmttimeo, "retransmit timeout", "");
 193         ANYl(spxstat.spxs_persisttimeo, "persist timeout", "");
 194         ANYl(spxstat.spxs_keeptimeo, "keepalive timeout", "");
 195         ANYl(spxstat.spxs_keepprobe, "keepalive probe", " sent");
 196         ANYl(spxstat.spxs_keepdrops, "connection", " dropped in keepalive");
 197         ANYl(spxstat.spxs_sndtotal, "total packet", " sent");
 198         ANYl(spxstat.spxs_sndpack, "data packet", " sent");
 199         ANYl(spxstat.spxs_sndbyte, "data byte", " sent");
 200         ANYl(spxstat.spxs_sndrexmitpack, "data packet", " retransmitted");
 201         ANYl(spxstat.spxs_sndrexmitbyte, "data byte", " retransmitted");
 202         ANYl(spxstat.spxs_sndacks, "ack-only packet", " sent");
 203         ANYl(spxstat.spxs_sndprobe, "window probe", " sent");
 204         ANYl(spxstat.spxs_sndurg, "packet", " sent with URG only");
 205         ANYl(spxstat.spxs_sndwinup, "window update-only packet", " sent");
 206         ANYl(spxstat.spxs_sndctrl, "control (SYN|FIN|RST) packet", " sent");
 207         ANYl(spxstat.spxs_sndvoid, "request", " to send a non-existent packet");
 208         ANYl(spxstat.spxs_rcvtotal, "total packet", " received");
 209         ANYl(spxstat.spxs_rcvpack, "packet", " received in sequence");
 210         ANYl(spxstat.spxs_rcvbyte, "byte", " received in sequence");
 211         ANYl(spxstat.spxs_rcvbadsum, "packet", " received with ccksum errs");
 212         ANYl(spxstat.spxs_rcvbadoff, "packet", " received with bad offset");
 213         ANYl(spxstat.spxs_rcvshort, "packet", " received too short");
 214         ANYl(spxstat.spxs_rcvduppack, "duplicate-only packet", " received");
 215         ANYl(spxstat.spxs_rcvdupbyte, "duplicate-only byte", " received");
 216         ANYl(spxstat.spxs_rcvpartduppack, "packet",
 217             " with some duplicate data");
 218         ANYl(spxstat.spxs_rcvpartdupbyte, "dup. byte", " in part-dup. packet");
 219         ANYl(spxstat.spxs_rcvoopack, "out-of-order packet", " received");
 220         ANYl(spxstat.spxs_rcvoobyte, "out-of-order byte", " received");
 221         ANYl(spxstat.spxs_rcvpackafterwin, "packet", " with data after window");
 222         ANYl(spxstat.spxs_rcvbyteafterwin, "byte", " rcvd after window");
 223         ANYl(spxstat.spxs_rcvafterclose, "packet", " rcvd after 'close'");
 224         ANYl(spxstat.spxs_rcvwinprobe, "rcvd window probe packet", "");
 225         ANYl(spxstat.spxs_rcvdupack, "rcvd duplicate ack", "");
 226         ANYl(spxstat.spxs_rcvacktoomuch, "rcvd ack", " for unsent data");
 227         ANYl(spxstat.spxs_rcvackpack, "rcvd ack packet", "");
 228         ANYl(spxstat.spxs_rcvackbyte, "byte", " acked by rcvd acks");
 229         ANYl(spxstat.spxs_rcvwinupd, "rcvd window update packet", "");
 230 }
 231
 232 /*
 233  * Dump IPX statistics structure.
 234  */
 235 void
 236 ipx_stats(u_long off, const char *name, int af1 __unused)
 237 {
 238         struct ipxstat ipxstat;
 239
 240         if (off == 0)
 241                 return;
 242         kread(off, (char *)&ipxstat, sizeof (ipxstat));
 243         printf("%s:\n", name);
 244         ANYl(ipxstat.ipxs_total, "total packet", " received");
 245         ANYl(ipxstat.ipxs_badsum, "packet", " with bad checksums");
 246         ANYl(ipxstat.ipxs_tooshort, "packet", " smaller than advertised");
 247         ANYl(ipxstat.ipxs_toosmall, "packet", " smaller than a header");
 248         ANYl(ipxstat.ipxs_forward, "packet", " forwarded");
 249         ANYl(ipxstat.ipxs_cantforward, "packet", " not forwardable");
 250         ANYl(ipxstat.ipxs_delivered, "packet", " for this host");
 251         ANYl(ipxstat.ipxs_localout, "packet", " sent from this host");
 252         ANYl(ipxstat.ipxs_odropped, "packet", " dropped due to no bufs, etc.");
 253         ANYl(ipxstat.ipxs_noroute, "packet", " discarded due to no route");
 254         ANYl(ipxstat.ipxs_mtutoosmall, "packet", " too big");
 255 }
 256
 257 #ifdef IPXERRORMSGS
 258 static  struct {
 259         u_short code;
 260         char *name;
 261         char *where;
 262 } ipx_errnames[] = {
 263         {0, "Unspecified Error", " at Destination"},
 264         {1, "Bad Checksum", " at Destination"},
 265         {2, "No Listener", " at Socket"},
 266         {3, "Packet", " Refused due to lack of space at Destination"},
 267         {01000, "Unspecified Error", " while gatewayed"},
 268         {01001, "Bad Checksum", " while gatewayed"},
 269         {01002, "Packet", " forwarded too many times"},
 270         {01003, "Packet", " too large to be forwarded"},
 271         {-1, 0, 0},
 272 };
 273
 274 /*
 275  * Dump IPX Error statistics structure.
 276  */
 277 /*ARGSUSED*/
 278 void
 279 ipxerr_stats(u_long off, char *name, int af __unused)
 280 {
 281         struct ipx_errstat ipx_errstat;
 282         int j;
 283         int histoprint = 1;
 284         int z;
 285
 286         if (off == 0)
 287                 return;
 288         kread(off, (char *)&ipx_errstat, sizeof (ipx_errstat));
 289         printf("IPX error statistics:\n");
 290         ANY(ipx_errstat.ipx_es_error, "call", " to ipx_error");
 291         ANY(ipx_errstat.ipx_es_oldshort, "error",
 292                 " ignored due to insufficient addressing");
 293         ANY(ipx_errstat.ipx_es_oldipx_err, "error request",
 294                 " in response to error packets");
 295         ANY(ipx_errstat.ipx_es_tooshort, "error packet",
 296                 " received incomplete");
 297         ANY(ipx_errstat.ipx_es_badcode, "error packet",
 298                 " received of unknown type");
 299         for(j = 0; j < IPX_ERR_MAX; j ++) {
 300                 z = ipx_errstat.ipx_es_outhist[j];
 301                 if (z && histoprint) {
 302                         printf("Output Error Histogram:\n");
 303                         histoprint = 0;
 304                 }
 305                 ipx_erputil(z, ipx_errstat.ipx_es_codes[j]);
 306         }
 307         histoprint = 1;
 308         for(j = 0; j < IPX_ERR_MAX; j ++) {
 309                 z = ipx_errstat.ipx_es_inhist[j];
 310                 if (z && histoprint) {
 311                         printf("Input Error Histogram:\n");
 312                         histoprint = 0;
 313                 }
 314                 ipx_erputil(z, ipx_errstat.ipx_es_codes[j]);
 315         }
 316 }
 317
 318 static void
 319 ipx_erputil(int z, int c)
 320 {
 321         int j;
 322         char codebuf[30];
 323         char *name, *where;
 324
 325         for(j = 0;; j ++) {
 326                 if ((name = ipx_errnames[j].name) == 0)
 327                         break;
 328                 if (ipx_errnames[j].code == c)
 329                         break;
 330         }
 331         if (name == 0)  {
 332                 if (c > 01000)
 333                         where = "in transit";
 334                 else
 335                         where = "at destination";
 336                 sprintf(codebuf, "Unknown IPX error code 0%o", c);
 337                 name = codebuf;
 338         } else
 339                 where =  ipx_errnames[j].where;
 340         ANY(z, name, where);
 341 }
 342 #endif /* IPXERRORMSGS */
 343
 344 static struct sockaddr_ipx ssipx = { .sipx_family = AF_IPX };
 345
 346 static
 347 char *ipx_prpr(struct ipx_addr *x)
 348 {
 349         struct sockaddr_ipx *sipx = &ssipx;
 350
 351         sipx->sipx_addr = *x;
 352         return(ipx_print((struct sockaddr *)sipx));
 353 }