| File: | src/usr.sbin/trpt/trpt.c |
| Warning: | line 175, column 2 Value stored to 'argv' is never read |
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| 1 | /* $OpenBSD: trpt.c,v 1.39 2019/12/02 21:47:54 cheloha Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 1997 The NetBSD Foundation, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * This code is derived from software contributed to The NetBSD Foundation |
| 8 | * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, |
| 9 | * NASA Ames Research Center. |
| 10 | * |
| 11 | * Redistribution and use in source and binary forms, with or without |
| 12 | * modification, are permitted provided that the following conditions |
| 13 | * are met: |
| 14 | * 1. Redistributions of source code must retain the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer. |
| 16 | * 2. Redistributions in binary form must reproduce the above copyright |
| 17 | * notice, this list of conditions and the following disclaimer in the |
| 18 | * documentation and/or other materials provided with the distribution. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 22 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 24 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 30 | * POSSIBILITY OF SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | /* |
| 34 | * Copyright (c) 1983, 1988, 1993 |
| 35 | * The Regents of the University of California. All rights reserved. |
| 36 | * |
| 37 | * Redistribution and use in source and binary forms, with or without |
| 38 | * modification, are permitted provided that the following conditions |
| 39 | * are met: |
| 40 | * 1. Redistributions of source code must retain the above copyright |
| 41 | * notice, this list of conditions and the following disclaimer. |
| 42 | * 2. Redistributions in binary form must reproduce the above copyright |
| 43 | * notice, this list of conditions and the following disclaimer in the |
| 44 | * documentation and/or other materials provided with the distribution. |
| 45 | * 3. Neither the name of the University nor the names of its contributors |
| 46 | * may be used to endorse or promote products derived from this software |
| 47 | * without specific prior written permission. |
| 48 | * |
| 49 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 50 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 51 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 52 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 53 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 54 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 55 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 56 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 57 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 58 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 59 | * SUCH DAMAGE. |
| 60 | */ |
| 61 | |
| 62 | #include <sys/queue.h> |
| 63 | #include <sys/time.h> |
| 64 | #include <sys/socket.h> |
| 65 | #define PRUREQUESTS |
| 66 | #include <sys/protosw.h> |
| 67 | #define _KERNEL |
| 68 | #include <sys/timeout.h> /* to get timeout_pending() and such */ |
| 69 | #undef _KERNEL |
| 70 | |
| 71 | #include <net/route.h> |
| 72 | #include <net/if.h> |
| 73 | |
| 74 | #include <netinet/in.h> |
| 75 | #include <netinet/ip.h> |
| 76 | #include <netinet/in_pcb.h> |
| 77 | #include <netinet/ip_var.h> |
| 78 | #include <netinet/tcp.h> |
| 79 | #define TCPSTATES |
| 80 | #include <netinet/tcp_fsm.h> |
| 81 | #include <netinet/tcp_seq.h> |
| 82 | #define TCPTIMERS |
| 83 | #include <netinet/tcp_timer.h> |
| 84 | #include <netinet/tcp_var.h> |
| 85 | #define TANAMES |
| 86 | #include <netinet/tcp_debug.h> |
| 87 | |
| 88 | #include <arpa/inet.h> |
| 89 | |
| 90 | #include <err.h> |
| 91 | #include <stdio.h> |
| 92 | #include <errno(*__errno()).h> |
| 93 | #include <fcntl.h> |
| 94 | #include <kvm.h> |
| 95 | #include <nlist.h> |
| 96 | #include <paths.h> |
| 97 | #include <limits.h> |
| 98 | #include <stdlib.h> |
| 99 | #include <unistd.h> |
| 100 | |
| 101 | struct nlist nl[] = { |
| 102 | #define N_TCP_DEBUG0 0 /* no sysctl */ |
| 103 | { "_tcp_debug" }, |
| 104 | #define N_TCP_DEBX1 1 /* no sysctl */ |
| 105 | { "_tcp_debx" }, |
| 106 | { NULL((void *)0) }, |
| 107 | }; |
| 108 | |
| 109 | int tcp_debx; |
| 110 | struct tcp_debug tcp_debug[TCP_NDEBUG100]; |
| 111 | |
| 112 | static caddr_t tcp_pcbs[TCP_NDEBUG100]; |
| 113 | static u_int32_t ntime; |
| 114 | static int aflag, follow, sflag, tflag; |
| 115 | |
| 116 | extern char *__progname; |
| 117 | |
| 118 | void dotrace(caddr_t); |
| 119 | void tcp_trace(short, short, struct tcpcb *, struct tcpiphdr *, |
| 120 | struct tcpipv6hdr *, int); |
| 121 | int numeric(const void *, const void *); |
| 122 | void usage(void); |
| 123 | |
| 124 | kvm_t *kd; |
| 125 | |
| 126 | int |
| 127 | main(int argc, char *argv[]) |
| 128 | { |
| 129 | char *sys = NULL((void *)0), *core = NULL((void *)0), *cp, errbuf[_POSIX2_LINE_MAX2048]; |
| 130 | int ch, i, jflag = 0, npcbs = 0; |
| 131 | unsigned long l; |
| 132 | gid_t gid; |
| 133 | |
| 134 | while ((ch = getopt(argc, argv, "afjM:N:p:st")) != -1) { |
| 135 | switch (ch) { |
| 136 | case 'a': |
| 137 | aflag = 1; |
| 138 | break; |
| 139 | case 'f': |
| 140 | follow = 1; |
| 141 | setvbuf(stdout(&__sF[1]), NULL((void *)0), _IOLBF1, 0); |
| 142 | break; |
| 143 | case 'j': |
| 144 | jflag = 1; |
| 145 | break; |
| 146 | case 'p': |
| 147 | if (npcbs >= TCP_NDEBUG100) |
| 148 | errx(1, "too many pcbs specified"); |
| 149 | errno(*__errno()) = 0; |
| 150 | l = strtoul(optarg, &cp, 16); |
| 151 | tcp_pcbs[npcbs] = (caddr_t)l; |
| 152 | if (*optarg == '\0' || *cp != '\0' || errno(*__errno()) || |
| 153 | (unsigned long)tcp_pcbs[npcbs] != l) |
| 154 | errx(1, "invalid address: %s", optarg); |
| 155 | npcbs++; |
| 156 | break; |
| 157 | case 's': |
| 158 | sflag = 1; |
| 159 | break; |
| 160 | case 't': |
| 161 | tflag = 1; |
| 162 | break; |
| 163 | case 'N': |
| 164 | sys = optarg; |
| 165 | break; |
| 166 | case 'M': |
| 167 | core = optarg; |
| 168 | break; |
| 169 | default: |
| 170 | usage(); |
| 171 | /* NOTREACHED */ |
| 172 | } |
| 173 | } |
| 174 | argc -= optind; |
| 175 | argv += optind; |
Value stored to 'argv' is never read | |
| 176 | |
| 177 | if (argc) |
| 178 | usage(); |
| 179 | |
| 180 | /* |
| 181 | * Discard setgid privileged if not the running kernel so that bad |
| 182 | * guys can't print interesting stuff from kernel memory. |
| 183 | */ |
| 184 | gid = getgid(); |
| 185 | if (core != NULL((void *)0) || sys != NULL((void *)0)) |
| 186 | if (setresgid(gid, gid, gid) == -1) |
| 187 | err(1, "setresgid"); |
| 188 | |
| 189 | kd = kvm_openfiles(sys, core, NULL((void *)0), O_RDONLY0x0000, errbuf); |
| 190 | if (kd == NULL((void *)0)) |
| 191 | errx(1, "can't open kmem: %s", errbuf); |
| 192 | |
| 193 | if (core == NULL((void *)0) && sys == NULL((void *)0)) |
| 194 | if (setresgid(gid, gid, gid) == -1) |
| 195 | err(1, "setresgid"); |
| 196 | |
| 197 | if (kvm_nlist(kd, nl)) |
| 198 | errx(2, "%s: no namelist", sys ? sys : _PATH_UNIX"/bsd"); |
| 199 | |
| 200 | if (pledge("stdio", NULL((void *)0)) == -1) |
| 201 | err(1, "pledge"); |
| 202 | |
| 203 | if (kvm_read(kd, nl[N_TCP_DEBX1].n_value, (char *)&tcp_debx, |
| 204 | sizeof(tcp_debx)) != sizeof(tcp_debx)) |
| 205 | errx(3, "tcp_debx: %s", kvm_geterr(kd)); |
| 206 | |
| 207 | if (kvm_read(kd, nl[N_TCP_DEBUG0].n_value, (char *)tcp_debug, |
| 208 | sizeof(tcp_debug)) != sizeof(tcp_debug)) |
| 209 | errx(3, "tcp_debug: %s", kvm_geterr(kd)); |
| 210 | |
| 211 | /* |
| 212 | * If no control blocks have been specified, figure |
| 213 | * out how many distinct one we have and summarize |
| 214 | * them in tcp_pcbs for sorting the trace records |
| 215 | * below. |
| 216 | */ |
| 217 | if (npcbs == 0) { |
| 218 | for (i = 0; i < TCP_NDEBUG100; i++) { |
| 219 | struct tcp_debug *td = &tcp_debug[i]; |
| 220 | int j; |
| 221 | |
| 222 | if (td->td_tcb == 0) |
| 223 | continue; |
| 224 | for (j = 0; j < npcbs; j++) |
| 225 | if (tcp_pcbs[j] == td->td_tcb) |
| 226 | break; |
| 227 | if (j >= npcbs) |
| 228 | tcp_pcbs[npcbs++] = td->td_tcb; |
| 229 | } |
| 230 | if (npcbs == 0) |
| 231 | exit(0); |
| 232 | } |
| 233 | qsort(tcp_pcbs, npcbs, sizeof(caddr_t), numeric); |
| 234 | if (jflag) { |
| 235 | for (i = 0;;) { |
| 236 | printf("%lx", (long)tcp_pcbs[i]); |
| 237 | if (++i == npcbs) |
| 238 | break; |
| 239 | fputs(", ", stdout(&__sF[1])); |
| 240 | } |
| 241 | putchar('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); |
| 242 | } else { |
| 243 | for (i = 0; i < npcbs; i++) { |
| 244 | printf("\n%lx:\n", (long)tcp_pcbs[i]); |
| 245 | dotrace(tcp_pcbs[i]); |
| 246 | } |
| 247 | } |
| 248 | exit(0); |
| 249 | } |
| 250 | |
| 251 | void |
| 252 | dotrace(caddr_t tcpcb) |
| 253 | { |
| 254 | struct tcp_debug *td; |
| 255 | int prev_debx = tcp_debx; |
| 256 | int i; |
| 257 | |
| 258 | again: |
| 259 | if (--tcp_debx < 0) |
| 260 | tcp_debx = TCP_NDEBUG100 - 1; |
| 261 | for (i = prev_debx % TCP_NDEBUG100; i < TCP_NDEBUG100; i++) { |
| 262 | td = &tcp_debug[i]; |
| 263 | if (tcpcb && td->td_tcb != tcpcb) |
| 264 | continue; |
| 265 | ntime = ntohl(td->td_time)(__uint32_t)(__builtin_constant_p(td->td_time) ? (__uint32_t )(((__uint32_t)(td->td_time) & 0xff) << 24 | ((__uint32_t )(td->td_time) & 0xff00) << 8 | ((__uint32_t)(td ->td_time) & 0xff0000) >> 8 | ((__uint32_t)(td-> td_time) & 0xff000000) >> 24) : __swap32md(td->td_time )); |
| 266 | tcp_trace(td->td_act, td->td_ostate, |
| 267 | &td->td_cb, &td->td_ti, |
| 268 | &td->td_ti6, td->td_req); |
| 269 | if (i == tcp_debx) |
| 270 | goto done; |
| 271 | } |
| 272 | for (i = 0; i <= tcp_debx % TCP_NDEBUG100; i++) { |
| 273 | td = &tcp_debug[i]; |
| 274 | if (tcpcb && td->td_tcb != tcpcb) |
| 275 | continue; |
| 276 | ntime = ntohl(td->td_time)(__uint32_t)(__builtin_constant_p(td->td_time) ? (__uint32_t )(((__uint32_t)(td->td_time) & 0xff) << 24 | ((__uint32_t )(td->td_time) & 0xff00) << 8 | ((__uint32_t)(td ->td_time) & 0xff0000) >> 8 | ((__uint32_t)(td-> td_time) & 0xff000000) >> 24) : __swap32md(td->td_time )); |
| 277 | tcp_trace(td->td_act, td->td_ostate, |
| 278 | &td->td_cb, &td->td_ti, |
| 279 | &td->td_ti6, td->td_req); |
| 280 | } |
| 281 | done: |
| 282 | if (follow) { |
| 283 | prev_debx = tcp_debx + 1; |
| 284 | if (prev_debx >= TCP_NDEBUG100) |
| 285 | prev_debx = 0; |
| 286 | do { |
| 287 | sleep(1); |
| 288 | if (kvm_read(kd, nl[N_TCP_DEBX1].n_value, |
| 289 | (char *)&tcp_debx, sizeof(tcp_debx)) != |
| 290 | sizeof(tcp_debx)) |
| 291 | errx(3, "tcp_debx: %s", kvm_geterr(kd)); |
| 292 | } while (tcp_debx == prev_debx); |
| 293 | |
| 294 | if (kvm_read(kd, nl[N_TCP_DEBUG0].n_value, (char *)tcp_debug, |
| 295 | sizeof(tcp_debug)) != sizeof(tcp_debug)) |
| 296 | errx(3, "tcp_debug: %s", kvm_geterr(kd)); |
| 297 | |
| 298 | goto again; |
| 299 | } |
| 300 | } |
| 301 | |
| 302 | /* |
| 303 | * Tcp debug routines |
| 304 | */ |
| 305 | /*ARGSUSED*/ |
| 306 | void |
| 307 | tcp_trace(short act, short ostate, struct tcpcb *tp, |
| 308 | struct tcpiphdr *ti, struct tcpipv6hdr *ti6, int req) |
| 309 | { |
| 310 | tcp_seq seq, ack; |
| 311 | int flags, len, win; |
| 312 | struct tcphdr *th; |
| 313 | char hbuf[INET6_ADDRSTRLEN46]; |
| 314 | |
| 315 | if (ti->ti_srcti_i.ih_src.s_addr) |
| 316 | th = &ti->ti_t; |
| 317 | else |
| 318 | th = &ti6->ti6_t; |
| 319 | |
| 320 | printf("%03d %s:%s ", (ntime/10) % 1000, tcpstates[ostate], |
| 321 | tanames[act]); |
| 322 | switch (act) { |
| 323 | case TA_INPUT0: |
| 324 | case TA_OUTPUT1: |
| 325 | case TA_DROP4: |
| 326 | if (aflag) { |
| 327 | if (ti->ti_srcti_i.ih_src.s_addr) { |
| 328 | printf("(src=%s,%u, ", |
| 329 | inet_ntoa(ti->ti_srcti_i.ih_src), ntohs(ti->ti_sport)(__uint16_t)(__builtin_constant_p(ti->ti_t.th_sport) ? (__uint16_t )(((__uint16_t)(ti->ti_t.th_sport) & 0xffU) << 8 | ((__uint16_t)(ti->ti_t.th_sport) & 0xff00U) >> 8) : __swap16md(ti->ti_t.th_sport))); |
| 330 | printf("dst=%s,%u)", |
| 331 | inet_ntoa(ti->ti_dstti_i.ih_dst), ntohs(ti->ti_dport)(__uint16_t)(__builtin_constant_p(ti->ti_t.th_dport) ? (__uint16_t )(((__uint16_t)(ti->ti_t.th_dport) & 0xffU) << 8 | ((__uint16_t)(ti->ti_t.th_dport) & 0xff00U) >> 8) : __swap16md(ti->ti_t.th_dport))); |
| 332 | } else { |
| 333 | printf("(src=%s,%u, ", |
| 334 | inet_ntop(AF_INET624, &ti6->ti6_srcti6_i.ip6_src, |
| 335 | hbuf, sizeof(hbuf)), ntohs(ti->ti_sport)(__uint16_t)(__builtin_constant_p(ti->ti_t.th_sport) ? (__uint16_t )(((__uint16_t)(ti->ti_t.th_sport) & 0xffU) << 8 | ((__uint16_t)(ti->ti_t.th_sport) & 0xff00U) >> 8) : __swap16md(ti->ti_t.th_sport))); |
| 336 | printf("dst=%s,%u)", |
| 337 | inet_ntop(AF_INET624, &ti6->ti6_dstti6_i.ip6_dst, |
| 338 | hbuf, sizeof(hbuf)), ntohs(ti->ti_dport)(__uint16_t)(__builtin_constant_p(ti->ti_t.th_dport) ? (__uint16_t )(((__uint16_t)(ti->ti_t.th_dport) & 0xffU) << 8 | ((__uint16_t)(ti->ti_t.th_dport) & 0xff00U) >> 8) : __swap16md(ti->ti_t.th_dport))); |
| 339 | } |
| 340 | } |
| 341 | seq = th->th_seq; |
| 342 | ack = th->th_ack; |
| 343 | if (ti->ti_srcti_i.ih_src.s_addr) |
| 344 | len = ti->ti_lenti_i.ih_len; |
| 345 | else |
| 346 | len = ti6->ti6_plenti6_i.ip6_ctlun.ip6_un1.ip6_un1_plen; /*XXX intermediate header*/ |
| 347 | win = th->th_win; |
| 348 | if (act == TA_OUTPUT1) { |
| 349 | NTOHL(seq)(seq) = (__uint32_t)(__builtin_constant_p((u_int32_t)(seq)) ? (__uint32_t)(((__uint32_t)((u_int32_t)(seq)) & 0xff) << 24 | ((__uint32_t)((u_int32_t)(seq)) & 0xff00) << 8 | ((__uint32_t)((u_int32_t)(seq)) & 0xff0000) >> 8 | ((__uint32_t)((u_int32_t)(seq)) & 0xff000000) >> 24) : __swap32md((u_int32_t)(seq))); |
| 350 | NTOHL(ack)(ack) = (__uint32_t)(__builtin_constant_p((u_int32_t)(ack)) ? (__uint32_t)(((__uint32_t)((u_int32_t)(ack)) & 0xff) << 24 | ((__uint32_t)((u_int32_t)(ack)) & 0xff00) << 8 | ((__uint32_t)((u_int32_t)(ack)) & 0xff0000) >> 8 | ((__uint32_t)((u_int32_t)(ack)) & 0xff000000) >> 24) : __swap32md((u_int32_t)(ack))); |
| 351 | NTOHS(win)(win) = (__uint16_t)(__builtin_constant_p((u_int16_t)(win)) ? (__uint16_t)(((__uint16_t)((u_int16_t)(win)) & 0xffU) << 8 | ((__uint16_t)((u_int16_t)(win)) & 0xff00U) >> 8 ) : __swap16md((u_int16_t)(win))); |
| 352 | } |
| 353 | if (len) |
| 354 | printf("[%x..%x)", seq, seq + len); |
| 355 | else |
| 356 | printf("%x", seq); |
| 357 | printf("@%x", ack); |
| 358 | if (win) |
| 359 | printf("(win=%x)", win); |
| 360 | flags = th->th_flags; |
| 361 | if (flags) { |
| 362 | char *cp = "<"; |
| 363 | #define pf(flag, string){ if (th->th_flags & flag) { (void)printf("%s%s", cp, string ); cp = ","; } } { \ |
| 364 | if (th->th_flags & flag) { \ |
| 365 | (void)printf("%s%s", cp, string); \ |
| 366 | cp = ","; \ |
| 367 | } \ |
| 368 | } |
| 369 | pf(TH_SYN, "SYN"){ if (th->th_flags & 0x02) { (void)printf("%s%s", cp, "SYN" ); cp = ","; } }; |
| 370 | pf(TH_ACK, "ACK"){ if (th->th_flags & 0x10) { (void)printf("%s%s", cp, "ACK" ); cp = ","; } }; |
| 371 | pf(TH_FIN, "FIN"){ if (th->th_flags & 0x01) { (void)printf("%s%s", cp, "FIN" ); cp = ","; } }; |
| 372 | pf(TH_RST, "RST"){ if (th->th_flags & 0x04) { (void)printf("%s%s", cp, "RST" ); cp = ","; } }; |
| 373 | pf(TH_PUSH, "PUSH"){ if (th->th_flags & 0x08) { (void)printf("%s%s", cp, "PUSH" ); cp = ","; } }; |
| 374 | pf(TH_URG, "URG"){ if (th->th_flags & 0x20) { (void)printf("%s%s", cp, "URG" ); cp = ","; } }; |
| 375 | printf(">"); |
| 376 | } |
| 377 | break; |
| 378 | case TA_USER2: |
| 379 | printf("%s", prurequests[req]); |
| 380 | break; |
| 381 | case TA_TIMER5: |
| 382 | printf("%s", tcptimers[req]); |
| 383 | break; |
| 384 | } |
| 385 | printf(" -> %s", tcpstates[tp->t_state]); |
| 386 | /* print out internal state of tp !?! */ |
| 387 | printf("\n"); |
| 388 | if (sflag) { |
| 389 | printf("\trcv_nxt %x rcv_wnd %lx snd_una %x snd_nxt %x snd_max %x\n", |
| 390 | tp->rcv_nxt, tp->rcv_wnd, tp->snd_una, tp->snd_nxt, |
| 391 | tp->snd_max); |
| 392 | printf("\tsnd_wl1 %x snd_wl2 %x snd_wnd %lx\n", tp->snd_wl1, |
| 393 | tp->snd_wl2, tp->snd_wnd); |
| 394 | } |
| 395 | /* print out timers? */ |
| 396 | if (tflag) { |
| 397 | char *cp = "\t"; |
| 398 | int i; |
| 399 | |
| 400 | for (i = 0; i < TCPT_NTIMERS6; i++) { |
| 401 | if (timeout_pending(&tp->t_timer[i])((&tp->t_timer[i])->to_flags & 0x02)) |
| 402 | continue; |
| 403 | printf("%s%s=%d", cp, tcptimers[i], |
| 404 | tp->t_timer[i].to_time); |
| 405 | if (i == TCPT_REXMT0) |
| 406 | printf(" (t_rxtshft=%d)", tp->t_rxtshift); |
| 407 | cp = ", "; |
| 408 | } |
| 409 | if (*cp != '\t') |
| 410 | putchar('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); |
| 411 | } |
| 412 | } |
| 413 | |
| 414 | int |
| 415 | numeric(const void *v1, const void *v2) |
| 416 | { |
| 417 | const caddr_t *c1 = v1; |
| 418 | const caddr_t *c2 = v2; |
| 419 | int rv; |
| 420 | |
| 421 | if (*c1 < *c2) |
| 422 | rv = -1; |
| 423 | else if (*c1 > *c2) |
| 424 | rv = 1; |
| 425 | else |
| 426 | rv = 0; |
| 427 | |
| 428 | return (rv); |
| 429 | } |
| 430 | |
| 431 | void |
| 432 | usage(void) |
| 433 | { |
| 434 | |
| 435 | (void) fprintf(stderr(&__sF[2]), "usage: %s [-afjst] [-M core]" |
| 436 | " [-N system] [-p hex-address]\n", __progname); |
| 437 | exit(1); |
| 438 | } |