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 59 struct stat { 60 struct ipstat i; 61 struct udpstat u; 62 }; 63 64 static struct stat curstat, initstat, oldstat; 65 66 /*- 67 --0 1 2 3 4 5 6 7 68 --0123456789012345678901234567890123456789012345678901234567890123456789012345 69 00 IP Input IP Output 70 01999999999 total packets received 999999999 total packets sent 71 02999999999 - with bad checksums 999999999 - generated locally 72 03999999999 - too short for header 999999999 - output drops 73 04999999999 - too short for data 999999999 output fragments generated 74 05999999999 - with invalid hlen 999999999 - fragmentation failed 75 06999999999 - with invalid length 999999999 destinations unreachable 76 07999999999 - with invalid version 999999999 packets output via raw IP 77 08999999999 - jumbograms 78 09999999999 total fragments received UDP Statistics 79 10999999999 - fragments dropped 999999999 total input packets 80 11999999999 - fragments timed out 999999999 - too short for header 81 12999999999 - packets reassembled ok 999999999 - invalid checksum 82 13999999999 packets forwarded 999999999 - no checksum 83 14999999999 - unreachable dests 999999999 - invalid length 84 15999999999 - redirects generated 999999999 - no socket for dest port 85 16999999999 option errors 999999999 - no socket for broadcast 86 17999999999 unwanted multicasts 999999999 - no socket for multicast 87 18999999999 delivered to upper layer 999999999 - socket buffer full 88 19999999999 999999999 total output packets 89 --0123456789012345678901234567890123456789012345678901234567890123456789012345 90 --0 1 2 3 4 5 6 7 91 */ 92 93 WINDOW * 94 openip(void) 95 { 96 return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0)); 97 } 98 99 void 100 closeip(WINDOW *w) 101 { 102 if (w == NULL) 103 return; 104 wclear(w); 105 wrefresh(w); 106 delwin(w); 107 } 108 109 void 110 labelip(void) 111 { 112 wmove(wnd, 0, 0); wclrtoeol(wnd); 113 #define L(row, str) mvwprintw(wnd, row, 10, str) 114 #define R(row, str) mvwprintw(wnd, row, 45, str); 115 L(0, "IP Input"); R(0, "IP Output"); 116 L(1, "total packets received"); R(1, "total packets sent"); 117 L(2, "- with bad checksums"); R(2, "- generated locally"); 118 L(3, "- too short for header"); R(3, "- output drops"); 119 L(4, "- too short for data"); R(4, "output fragments generated"); 120 L(5, "- with invalid hlen"); R(5, "- fragmentation failed"); 121 L(6, "- with invalid length"); R(6, "destinations unreachable"); 122 L(7, "- with invalid version"); R(7, "packets output via raw IP"); 123 L(8, "- jumbograms"); 124 L(9, "total fragments received"); R(9, "UDP Statistics"); 125 L(10, "- fragments dropped"); R(10, "total input packets"); 126 L(11, "- fragments timed out"); R(11, "- too short for header"); 127 L(12, "- packets reassembled ok"); R(12, "- invalid checksum"); 128 L(13, "packets forwarded"); R(13, "- no checksum"); 129 L(14, "- unreachable dests"); R(14, "- invalid length"); 130 L(15, "- redirects generated"); R(15, "- no socket for dest port"); 131 L(16, "option errors"); R(16, " - no socket for broadcast"); 132 L(17, "unwanted multicasts"); R(17, " - no socket for multicast"); 133 L(18, "delivered to upper layer"); R(18, "- socket buffer full"); 134 R(19, "total output packets"); 135 #undef L 136 #undef R 137 } 138 139 static void 140 domode(struct stat *ret) 141 { 142 const struct stat *sub; 143 int divisor = 1; 144 145 switch(currentmode) { 146 case display_RATE: 147 sub = &oldstat; 148 divisor = (delay > 1000000) ? delay / 1000000 : 1; 149 break; 150 case display_DELTA: 151 sub = &oldstat; 152 break; 153 case display_SINCE: 154 sub = &initstat; 155 break; 156 default: 157 *ret = curstat; 158 return; 159 } 160 #define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor 161 DO(i.ips_total); 162 DO(i.ips_badsum); 163 DO(i.ips_tooshort); 164 DO(i.ips_toosmall); 165 DO(i.ips_badhlen); 166 DO(i.ips_badlen); 167 DO(i.ips_fragments); 168 DO(i.ips_fragdropped); 169 DO(i.ips_fragtimeout); 170 DO(i.ips_forward); 171 DO(i.ips_cantforward); 172 DO(i.ips_redirectsent); 173 DO(i.ips_noproto); 174 DO(i.ips_delivered); 175 DO(i.ips_localout); 176 DO(i.ips_odropped); 177 DO(i.ips_reassembled); 178 DO(i.ips_fragmented); 179 DO(i.ips_ofragments); 180 DO(i.ips_cantfrag); 181 DO(i.ips_badoptions); 182 DO(i.ips_noroute); 183 DO(i.ips_badvers); 184 DO(i.ips_rawout); 185 DO(i.ips_toolong); 186 DO(i.ips_notmember); 187 DO(u.udps_ipackets); 188 DO(u.udps_hdrops); 189 DO(u.udps_badsum); 190 DO(u.udps_nosum); 191 DO(u.udps_badlen); 192 DO(u.udps_noport); 193 DO(u.udps_noportbcast); 194 DO(u.udps_noportmcast); 195 DO(u.udps_fullsock); 196 DO(u.udps_opackets); 197 #undef DO 198 } 199 200 void 201 showip(void) 202 { 203 struct stat stats; 204 uint64_t totalout; 205 206 domode(&stats); 207 totalout = stats.i.ips_forward + stats.i.ips_localout; 208 209 #define DO(stat, row, col) \ 210 mvwprintw(wnd, row, col, "%9"PRIu64, stats.stat) 211 212 DO(i.ips_total, 1, 0); 213 mvwprintw(wnd, 1, 35, "%9"PRIu64, totalout); 214 DO(i.ips_badsum, 2, 0); 215 DO(i.ips_localout, 2, 35); 216 DO(i.ips_tooshort, 3, 0); 217 DO(i.ips_odropped, 3, 35); 218 DO(i.ips_toosmall, 4, 0); 219 DO(i.ips_ofragments, 4, 35); 220 DO(i.ips_badhlen, 5, 0); 221 DO(i.ips_cantfrag, 5, 35); 222 DO(i.ips_badlen, 6, 0); 223 DO(i.ips_noroute, 6, 35); 224 DO(i.ips_badvers, 7, 0); 225 DO(i.ips_rawout, 7, 35); 226 DO(i.ips_toolong, 8, 0); 227 DO(i.ips_fragments, 9, 0); 228 DO(i.ips_fragdropped, 10, 0); 229 DO(u.udps_ipackets, 10, 35); 230 DO(i.ips_fragtimeout, 11, 0); 231 DO(u.udps_hdrops, 11, 35); 232 DO(i.ips_reassembled, 12, 0); 233 DO(u.udps_badsum, 12, 35); 234 DO(i.ips_forward, 13, 0); 235 DO(u.udps_nosum, 13, 35); 236 DO(i.ips_cantforward, 14, 0); 237 DO(u.udps_badlen, 14, 35); 238 DO(i.ips_redirectsent, 15, 0); 239 DO(u.udps_noport, 15, 35); 240 DO(i.ips_badoptions, 16, 0); 241 DO(u.udps_noportbcast, 16, 35); 242 DO(i.ips_notmember, 17, 0); 243 DO(u.udps_noportmcast, 17, 35); 244 DO(i.ips_delivered, 18, 0); 245 DO(u.udps_fullsock, 18, 35); 246 DO(u.udps_opackets, 19, 35); 247 #undef DO 248 } 249 250 int 251 initip(void) 252 { 253 size_t len; 254 int name[4]; 255 256 name[0] = CTL_NET; 257 name[1] = PF_INET; 258 name[2] = IPPROTO_IP; 259 name[3] = IPCTL_STATS; 260 261 len = 0; 262 if (sysctl(name, 4, 0, &len, 0, 0) < 0) { 263 error("sysctl getting ipstat size failed"); 264 return 0; 265 } 266 if (len > sizeof curstat.i) { 267 error("ipstat structure has grown--recompile systat!"); 268 return 0; 269 } 270 if (sysctl(name, 4, &initstat.i, &len, 0, 0) < 0) { 271 error("sysctl getting ipstat failed"); 272 return 0; 273 } 274 name[2] = IPPROTO_UDP; 275 name[3] = UDPCTL_STATS; 276 277 len = 0; 278 if (sysctl(name, 4, 0, &len, 0, 0) < 0) { 279 error("sysctl getting udpstat size failed"); 280 return 0; 281 } 282 if (len > sizeof curstat.u) { 283 error("ipstat structure has grown--recompile systat!"); 284 return 0; 285 } 286 if (sysctl(name, 4, &initstat.u, &len, 0, 0) < 0) { 287 error("sysctl getting udpstat failed"); 288 return 0; 289 } 290 oldstat = initstat; 291 return 1; 292 } 293 294 void 295 resetip(void) 296 { 297 size_t len; 298 int name[4]; 299 300 name[0] = CTL_NET; 301 name[1] = PF_INET; 302 name[2] = IPPROTO_IP; 303 name[3] = IPCTL_STATS; 304 305 len = sizeof initstat.i; 306 if (sysctl(name, 4, &initstat.i, &len, 0, 0) < 0) { 307 error("sysctl getting ipstat failed"); 308 } 309 name[2] = IPPROTO_UDP; 310 name[3] = UDPCTL_STATS; 311 312 len = sizeof initstat.u; 313 if (sysctl(name, 4, &initstat.u, &len, 0, 0) < 0) { 314 error("sysctl getting udpstat failed"); 315 } 316 oldstat = initstat; 317 } 318 319 void 320 fetchip(void) 321 { 322 int name[4]; 323 size_t len; 324 325 oldstat = curstat; 326 name[0] = CTL_NET; 327 name[1] = PF_INET; 328 name[2] = IPPROTO_IP; 329 name[3] = IPCTL_STATS; 330 len = sizeof curstat.i; 331 332 if (sysctl(name, 4, &curstat.i, &len, 0, 0) < 0) 333 return; 334 name[2] = IPPROTO_UDP; 335 name[3] = UDPCTL_STATS; 336 len = sizeof curstat.u; 337 338 if (sysctl(name, 4, &curstat.u, &len, 0, 0) < 0) 339 return; 340 } 341