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