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 #include <sys/cdefs.h> 33 34 __FBSDID("$FreeBSD$"); 35 36 #ifdef lint 37 static char sccsid[] = "@(#)mbufs.c 8.1 (Berkeley) 6/6/93"; 38 #endif 39 40 /* From: 41 "Id: mbufs.c,v 1.5 1997/02/24 20:59:03 wollman Exp" 42 */ 43 44 #include <sys/param.h> 45 #include <sys/types.h> 46 #include <sys/socket.h> 47 #include <sys/sysctl.h> 48 49 #include <netinet/in.h> 50 #include <netinet/in_systm.h> 51 #include <netinet/ip.h> 52 #include <netinet/ip_icmp.h> 53 #include <netinet/icmp_var.h> 54 55 #include <stdlib.h> 56 #include <string.h> 57 #include <paths.h> 58 #include "systat.h" 59 #include "extern.h" 60 #include "mode.h" 61 62 static struct icmpstat icmpstat, initstat, oldstat; 63 64 /*- 65 --0 1 2 3 4 5 6 7 66 --0123456789012345678901234567890123456789012345678901234567890123456789012345 67 00 ICMP Input ICMP Output 68 01999999999 total messages 999999999 total messages 69 02999999999 with bad code 999999999 errors generated 70 03999999999 with bad length 999999999 suppressed - original too short 71 04999999999 with bad checksum 999999999 suppressed - original was ICMP 72 05999999999 with insufficient data 999999999 responses sent 73 06 999999999 suppressed - multicast echo 74 07 999999999 suppressed - multicast tstamp 75 08 76 09 Input Histogram Output Histogram 77 10999999999 echo response 999999999 echo response 78 11999999999 echo request 999999999 echo request 79 12999999999 destination unreachable 999999999 destination unreachable 80 13999999999 redirect 999999999 redirect 81 14999999999 time-to-live exceeded 999999999 time-to-line exceeded 82 15999999999 parameter problem 999999999 parameter problem 83 16999999999 router advertisement 999999999 router solicitation 84 17 85 18 86 --0123456789012345678901234567890123456789012345678901234567890123456789012345 87 --0 1 2 3 4 5 6 7 88 */ 89 90 WINDOW * 91 openicmp(void) 92 { 93 return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0)); 94 } 95 96 void 97 closeicmp(WINDOW *w) 98 { 99 if (w == NULL) 100 return; 101 wclear(w); 102 wrefresh(w); 103 delwin(w); 104 } 105 106 void 107 labelicmp(void) 108 { 109 wmove(wnd, 0, 0); wclrtoeol(wnd); 110 #define L(row, str) mvwprintw(wnd, row, 10, str) 111 #define R(row, str) mvwprintw(wnd, row, 45, str); 112 L(0, "ICMP Input"); R(0, "ICMP Output"); 113 L(1, "total messages"); R(1, "total messages"); 114 L(2, "with bad code"); R(2, "errors generated"); 115 L(3, "with bad length"); R(3, "suppressed - original too short"); 116 L(4, "with bad checksum"); R(4, "suppressed - original was ICMP"); 117 L(5, "with insufficient data"); R(5, "responses sent"); 118 R(6, "suppressed - multicast echo"); 119 R(7, "suppressed - multicast tstamp"); 120 L(9, "Input Histogram"); R(9, "Output Histogram"); 121 #define B(row, str) L(row, str); R(row, str) 122 B(10, "echo response"); 123 B(11, "echo request"); 124 B(12, "destination unreachable"); 125 B(13, "redirect"); 126 B(14, "time-to-live exceeded"); 127 B(15, "parameter problem"); 128 L(16, "router advertisement"); R(16, "router solicitation"); 129 #undef L 130 #undef R 131 #undef B 132 } 133 134 static void 135 domode(struct icmpstat *ret) 136 { 137 const struct icmpstat *sub; 138 int i, divisor = 1; 139 140 switch(currentmode) { 141 case display_RATE: 142 sub = &oldstat; 143 divisor = (delay > 1000000) ? delay / 1000000 : 1; 144 break; 145 case display_DELTA: 146 sub = &oldstat; 147 break; 148 case display_SINCE: 149 sub = &initstat; 150 break; 151 default: 152 *ret = icmpstat; 153 return; 154 } 155 #define DO(stat) ret->stat = (icmpstat.stat - sub->stat) / divisor 156 DO(icps_error); 157 DO(icps_oldshort); 158 DO(icps_oldicmp); 159 for (i = 0; i <= ICMP_MAXTYPE; i++) { 160 DO(icps_outhist[i]); 161 } 162 DO(icps_badcode); 163 DO(icps_tooshort); 164 DO(icps_checksum); 165 DO(icps_badlen); 166 DO(icps_reflect); 167 for (i = 0; i <= ICMP_MAXTYPE; i++) { 168 DO(icps_inhist[i]); 169 } 170 DO(icps_bmcastecho); 171 DO(icps_bmcasttstamp); 172 #undef DO 173 } 174 175 void 176 showicmp(void) 177 { 178 struct icmpstat stats; 179 u_long totalin, totalout; 180 int i; 181 182 memset(&stats, 0, sizeof stats); 183 domode(&stats); 184 for (i = totalin = totalout = 0; i <= ICMP_MAXTYPE; i++) { 185 totalin += stats.icps_inhist[i]; 186 totalout += stats.icps_outhist[i]; 187 } 188 totalin += stats.icps_badcode + stats.icps_badlen + 189 stats.icps_checksum + stats.icps_tooshort; 190 mvwprintw(wnd, 1, 0, "%9lu", totalin); 191 mvwprintw(wnd, 1, 35, "%9lu", totalout); 192 193 #define DO(stat, row, col) \ 194 mvwprintw(wnd, row, col, "%9lu", stats.stat) 195 196 DO(icps_badcode, 2, 0); 197 DO(icps_badlen, 3, 0); 198 DO(icps_checksum, 4, 0); 199 DO(icps_tooshort, 5, 0); 200 DO(icps_error, 2, 35); 201 DO(icps_oldshort, 3, 35); 202 DO(icps_oldicmp, 4, 35); 203 DO(icps_reflect, 5, 35); 204 DO(icps_bmcastecho, 6, 35); 205 DO(icps_bmcasttstamp, 7, 35); 206 #define DO2(type, row) DO(icps_inhist[type], row, 0); DO(icps_outhist[type], \ 207 row, 35) 208 DO2(ICMP_ECHOREPLY, 10); 209 DO2(ICMP_ECHO, 11); 210 DO2(ICMP_UNREACH, 12); 211 DO2(ICMP_REDIRECT, 13); 212 DO2(ICMP_TIMXCEED, 14); 213 DO2(ICMP_PARAMPROB, 15); 214 DO(icps_inhist[ICMP_ROUTERADVERT], 16, 0); 215 DO(icps_outhist[ICMP_ROUTERSOLICIT], 16, 35); 216 #undef DO 217 #undef DO2 218 } 219 220 int 221 initicmp(void) 222 { 223 size_t len; 224 int name[4]; 225 226 name[0] = CTL_NET; 227 name[1] = PF_INET; 228 name[2] = IPPROTO_ICMP; 229 name[3] = ICMPCTL_STATS; 230 231 len = 0; 232 if (sysctl(name, 4, 0, &len, 0, 0) < 0) { 233 error("sysctl getting icmpstat size failed"); 234 return 0; 235 } 236 if (len > sizeof icmpstat) { 237 error("icmpstat structure has grown--recompile systat!"); 238 return 0; 239 } 240 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) { 241 error("sysctl getting icmpstat size failed"); 242 return 0; 243 } 244 oldstat = initstat; 245 return 1; 246 } 247 248 void 249 reseticmp(void) 250 { 251 size_t len; 252 int name[4]; 253 254 name[0] = CTL_NET; 255 name[1] = PF_INET; 256 name[2] = IPPROTO_ICMP; 257 name[3] = ICMPCTL_STATS; 258 259 len = sizeof initstat; 260 if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) { 261 error("sysctl getting icmpstat size failed"); 262 } 263 oldstat = initstat; 264 } 265 266 void 267 fetchicmp(void) 268 { 269 int name[4]; 270 size_t len; 271 272 oldstat = icmpstat; 273 name[0] = CTL_NET; 274 name[1] = PF_INET; 275 name[2] = IPPROTO_ICMP; 276 name[3] = ICMPCTL_STATS; 277 len = sizeof icmpstat; 278 279 if (sysctl(name, 4, &icmpstat, &len, 0, 0) < 0) 280 return; 281 } 282