1/*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1980, 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 33 34/* From: 35 "Id: mbufs.c,v 1.5 1997/02/24 20:59:03 wollman Exp" 36*/ 37 38#include <sys/param.h> 39#include <sys/types.h> 40#include <sys/socket.h> 41#include <sys/sysctl.h> 42 43#include <netinet/in.h> 44#include <netinet/in_systm.h> 45#include <netinet/ip.h> 46#include <netinet/ip_var.h> 47#include <netinet/udp.h> 48#include <netinet/udp_var.h> 49 50#include <inttypes.h> 51#include <stdlib.h> 52#include <string.h> 53#include <paths.h> 54 55#include "systat.h" 56#include "extern.h" 57#include "mode.h" 58 59struct stat { 60 struct ipstat i; 61 struct udpstat u; 62}; 63 64static struct stat curstat, initstat, oldstat; 65 66/*- 67--0 1 2 3 4 5 6 7 68--0123456789012345678901234567890123456789012345678901234567890123456789012345 6900 IP Input IP Output 7001999999999 total packets received 999999999 total packets sent 7102999999999 - with bad checksums 999999999 - generated locally 7203999999999 - too short for header 999999999 - output drops 7304999999999 - too short for data 999999999 output fragments generated 7405999999999 - with invalid hlen 999999999 - fragmentation failed 7506999999999 - with invalid length 999999999 destinations unreachable 7607999999999 - with invalid version 999999999 packets output via raw IP 7708999999999 - jumbograms 7809999999999 total fragments received UDP Statistics 7910999999999 - fragments dropped 999999999 total input packets 8011999999999 - fragments timed out 999999999 - too short for header 8112999999999 - packets reassembled ok 999999999 - invalid checksum 8213999999999 packets forwarded 999999999 - no checksum 8314999999999 - unreachable dests 999999999 - invalid length 8415999999999 - redirects generated 999999999 - no socket for dest port 8516999999999 option errors 999999999 - no socket for broadcast 8617999999999 unwanted multicasts 999999999 - socket buffer full 8718999999999 delivered to upper layer 999999999 total output packets 88--0123456789012345678901234567890123456789012345678901234567890123456789012345 89--0 1 2 3 4 5 6 7 90*/ 91 92WINDOW * 93openip(void) 94{ 95 return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0)); 96} 97 98void 99closeip(WINDOW *w) 100{ 101 if (w == NULL) 102 return; 103 wclear(w); 104 wrefresh(w); 105 delwin(w); 106} 107 108void 109labelip(void) 110{ 111 wmove(wnd, 0, 0); wclrtoeol(wnd); 112#define L(row, str) mvwprintw(wnd, row, 10, str) 113#define R(row, str) mvwprintw(wnd, row, 45, str); 114 L(0, "IP Input"); R(0, "IP Output"); 115 L(1, "total packets received"); R(1, "total packets sent"); 116 L(2, "- with bad checksums"); R(2, "- generated locally"); 117 L(3, "- too short for header"); R(3, "- output drops"); 118 L(4, "- too short for data"); R(4, "output fragments generated"); 119 L(5, "- with invalid hlen"); R(5, "- fragmentation failed"); 120 L(6, "- with invalid length"); R(6, "destinations unreachable"); 121 L(7, "- with invalid version"); R(7, "packets output via raw IP"); 122 L(8, "- jumbograms"); 123 L(9, "total fragments received"); R(9, "UDP Statistics"); 124 L(10, "- fragments dropped"); R(10, "total input packets"); 125 L(11, "- fragments timed out"); R(11, "- too short for header"); 126 L(12, "- packets reassembled ok"); R(12, "- invalid checksum"); 127 L(13, "packets forwarded"); R(13, "- no checksum"); 128 L(14, "- unreachable dests"); R(14, "- invalid length"); 129 L(15, "- redirects generated"); R(15, "- no socket for dest port"); 130 L(16, "option errors"); R(16, "- no socket for broadcast"); 131 L(17, "unwanted multicasts"); R(17, "- socket buffer full"); 132 L(18, "delivered to upper layer"); R(18, "total output packets"); 133#undef L 134#undef R 135} 136 137static void 138domode(struct stat *ret) 139{ 140 const struct stat *sub; 141 int divisor = 1; 142 143 switch(currentmode) { 144 case display_RATE: 145 sub = &oldstat; 146 divisor = (delay > 1000000) ? delay / 1000000 : 1; 147 break; 148 case display_DELTA: 149 sub = &oldstat; 150 break; 151 case display_SINCE: 152 sub = &initstat; 153 break; 154 default: 155 *ret = curstat; 156 return; 157 } 158#define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor 159 DO(i.ips_total); 160 DO(i.ips_badsum); 161 DO(i.ips_tooshort); 162 DO(i.ips_toosmall); 163 DO(i.ips_badhlen); 164 DO(i.ips_badlen); 165 DO(i.ips_fragments); 166 DO(i.ips_fragdropped); 167 DO(i.ips_fragtimeout); 168 DO(i.ips_forward); 169 DO(i.ips_cantforward); 170 DO(i.ips_redirectsent); 171 DO(i.ips_noproto); 172 DO(i.ips_delivered); 173 DO(i.ips_localout); 174 DO(i.ips_odropped); 175 DO(i.ips_reassembled); 176 DO(i.ips_fragmented); 177 DO(i.ips_ofragments); 178 DO(i.ips_cantfrag); 179 DO(i.ips_badoptions); 180 DO(i.ips_noroute); 181 DO(i.ips_badvers); 182 DO(i.ips_rawout); 183 DO(i.ips_toolong); 184 DO(i.ips_notmember); 185 DO(u.udps_ipackets); 186 DO(u.udps_hdrops); 187 DO(u.udps_badsum); 188 DO(u.udps_nosum); 189 DO(u.udps_badlen); 190 DO(u.udps_noport); 191 DO(u.udps_noportbcast); 192 DO(u.udps_fullsock); 193 DO(u.udps_opackets); 194#undef DO 195} 196 197void 198showip(void) 199{ 200 struct stat stats; 201 uint64_t totalout; 202 203 domode(&stats); 204 totalout = stats.i.ips_forward + stats.i.ips_localout; 205 206#define DO(stat, row, col) \ 207 mvwprintw(wnd, row, col, "%9"PRIu64, stats.stat) 208 209 DO(i.ips_total, 1, 0); 210 mvwprintw(wnd, 1, 35, "%9"PRIu64, totalout); 211 DO(i.ips_badsum, 2, 0); 212 DO(i.ips_localout, 2, 35); 213 DO(i.ips_tooshort, 3, 0); 214 DO(i.ips_odropped, 3, 35); 215 DO(i.ips_toosmall, 4, 0); 216 DO(i.ips_ofragments, 4, 35); 217 DO(i.ips_badhlen, 5, 0); 218 DO(i.ips_cantfrag, 5, 35); 219 DO(i.ips_badlen, 6, 0); 220 DO(i.ips_noroute, 6, 35); 221 DO(i.ips_badvers, 7, 0); 222 DO(i.ips_rawout, 7, 35); 223 DO(i.ips_toolong, 8, 0); 224 DO(i.ips_fragments, 9, 0); 225 DO(i.ips_fragdropped, 10, 0); 226 DO(u.udps_ipackets, 10, 35); 227 DO(i.ips_fragtimeout, 11, 0); 228 DO(u.udps_hdrops, 11, 35); 229 DO(i.ips_reassembled, 12, 0); 230 DO(u.udps_badsum, 12, 35); 231 DO(i.ips_forward, 13, 0); 232 DO(u.udps_nosum, 13, 35); 233 DO(i.ips_cantforward, 14, 0); 234 DO(u.udps_badlen, 14, 35); 235 DO(i.ips_redirectsent, 15, 0); 236 DO(u.udps_noport, 15, 35); 237 DO(i.ips_badoptions, 16, 0); 238 DO(u.udps_noportbcast, 16, 35); 239 DO(i.ips_notmember, 17, 0); 240 DO(u.udps_fullsock, 17, 35); 241 DO(i.ips_delivered, 18, 0); 242 DO(u.udps_opackets, 18, 35); 243#undef DO 244} 245 246int 247initip(void) 248{ 249 size_t len; 250 int name[4]; 251 252 name[0] = CTL_NET; 253 name[1] = PF_INET; 254 name[2] = IPPROTO_IP; 255 name[3] = IPCTL_STATS; 256 257 len = 0; 258 if (sysctl(name, 4, 0, &len, 0, 0) < 0) { 259 error("sysctl getting ipstat size failed"); 260 return 0; 261 } 262 if (len > sizeof curstat.i) { 263 error("ipstat structure has grown--recompile systat!"); 264 return 0; 265 } 266 if (sysctl(name, 4, &initstat.i, &len, 0, 0) < 0) { 267 error("sysctl getting ipstat failed"); 268 return 0; 269 } 270 name[2] = IPPROTO_UDP; 271 name[3] = UDPCTL_STATS; 272 273 len = 0; 274 if (sysctl(name, 4, 0, &len, 0, 0) < 0) { 275 error("sysctl getting udpstat size failed"); 276 return 0; 277 } 278 if (len > sizeof curstat.u) { 279 error("ipstat structure has grown--recompile systat!"); 280 return 0; 281 } 282 if (sysctl(name, 4, &initstat.u, &len, 0, 0) < 0) { 283 error("sysctl getting udpstat failed"); 284 return 0; 285 } 286 oldstat = initstat; 287 return 1; 288} 289 290void 291resetip(void) 292{ 293 size_t len; 294 int name[4]; 295 296 name[0] = CTL_NET; 297 name[1] = PF_INET; 298 name[2] = IPPROTO_IP; 299 name[3] = IPCTL_STATS; 300 301 len = sizeof initstat.i; 302 if (sysctl(name, 4, &initstat.i, &len, 0, 0) < 0) { 303 error("sysctl getting ipstat failed"); 304 } 305 name[2] = IPPROTO_UDP; 306 name[3] = UDPCTL_STATS; 307 308 len = sizeof initstat.u; 309 if (sysctl(name, 4, &initstat.u, &len, 0, 0) < 0) { 310 error("sysctl getting udpstat failed"); 311 } 312 oldstat = initstat; 313} 314 315void 316fetchip(void) 317{ 318 int name[4]; 319 size_t len; 320 321 oldstat = curstat; 322 name[0] = CTL_NET; 323 name[1] = PF_INET; 324 name[2] = IPPROTO_IP; 325 name[3] = IPCTL_STATS; 326 len = sizeof curstat.i; 327 328 if (sysctl(name, 4, &curstat.i, &len, 0, 0) < 0) 329 return; 330 name[2] = IPPROTO_UDP; 331 name[3] = UDPCTL_STATS; 332 len = sizeof curstat.u; 333 334 if (sysctl(name, 4, &curstat.u, &len, 0, 0) < 0) 335 return; 336} 337