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