Annotation of src/usr.bin/kdump/kdump.c, Revision 1.134
1.134 ! mestre 1: /* $OpenBSD: kdump.c,v 1.133 2017/11/28 15:35:02 guenther Exp $ */
1.4 deraadt 2:
1.1 deraadt 3: /*-
4: * Copyright (c) 1988, 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.
1.21 millert 15: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 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:
1.97 deraadt 32: #include <sys/param.h> /* MAXCOMLEN nitems */
1.1 deraadt 33: #include <sys/time.h>
1.97 deraadt 34: #include <sys/signal.h>
1.1 deraadt 35: #include <sys/uio.h>
36: #include <sys/ktrace.h>
37: #include <sys/ioctl.h>
1.62 otto 38: #include <sys/malloc.h>
39: #include <sys/namei.h>
1.1 deraadt 40: #include <sys/ptrace.h>
1.62 otto 41: #include <sys/sem.h>
42: #include <sys/shm.h>
1.51 otto 43: #include <sys/socket.h>
1.28 deraadt 44: #include <sys/sysctl.h>
1.63 deraadt 45: #include <sys/siginfo.h>
1.62 otto 46: #include <sys/vmmeter.h>
47: #include <sys/tty.h>
1.82 guenther 48: #include <sys/wait.h>
1.117 deraadt 49: #define PLEDGENAMES
50: #include <sys/pledge.h>
51: #undef PLEDGENAMES
1.1 deraadt 52: #define _KERNEL
1.84 guenther 53: #include <errno.h>
1.1 deraadt 54: #undef _KERNEL
1.62 otto 55: #include <ddb/db_var.h>
56: #include <machine/cpu.h>
1.1 deraadt 57:
1.33 tedu 58: #include <ctype.h>
1.1 deraadt 59: #include <err.h>
1.61 matthew 60: #include <fcntl.h>
1.64 guenther 61: #include <limits.h>
1.100 guenther 62: #include <netdb.h>
1.77 guenther 63: #include <poll.h>
1.1 deraadt 64: #include <signal.h>
65: #include <stdio.h>
66: #include <stdlib.h>
1.55 otto 67: #include <stdint.h>
1.1 deraadt 68: #include <string.h>
69: #include <unistd.h>
70: #include <vis.h>
71:
72: #include "ktrace.h"
1.22 deraadt 73: #include "kdump.h"
1.51 otto 74: #include "kdump_subr.h"
1.12 espie 75: #include "extern.h"
1.1 deraadt 76:
1.67 mikeb 77: int timestamp, decimal, iohex, fancy = 1, maxdata = INT_MAX;
1.111 guenther 78: int needtid, tail, basecol;
1.1 deraadt 79: char *tracefile = DEF_TRACEFILE;
80: struct ktr_header ktr_header;
1.85 guenther 81: pid_t pid_opt = -1;
1.1 deraadt 82:
83: #define eqs(s1, s2) (strcmp((s1), (s2)) == 0)
84:
85: #include <sys/syscall.h>
86:
87: #define KTRACE
1.19 mickey 88: #define PTRACE
1.7 deraadt 89: #define NFSCLIENT
90: #define NFSSERVER
91: #define SYSVSEM
92: #define SYSVMSG
93: #define SYSVSHM
1.110 guenther 94: #define ACCOUNTING
1.25 mickey 95: #include <kern/syscalls.c>
1.1 deraadt 96: #undef KTRACE
1.19 mickey 97: #undef PTRACE
1.7 deraadt 98: #undef NFSCLIENT
99: #undef NFSSERVER
100: #undef SYSVSEM
101: #undef SYSVMSG
102: #undef SYSVSHM
1.110 guenther 103: #undef ACCOUNTING
1.1 deraadt 104:
105:
106: static char *ptrace_ops[] = {
107: "PT_TRACE_ME", "PT_READ_I", "PT_READ_D", "PT_READ_U",
108: "PT_WRITE_I", "PT_WRITE_D", "PT_WRITE_U", "PT_CONTINUE",
1.15 art 109: "PT_KILL", "PT_ATTACH", "PT_DETACH", "PT_IO",
1.64 guenther 110: "PT_SET_EVENT_MASK", "PT_GET_EVENT_MASK", "PT_GET_PROCESS_STATE",
1.71 guenther 111: "PT_GET_THREAD_FIRST", "PT_GET_THREAD_NEXT",
1.1 deraadt 112: };
113:
1.37 tedu 114: static int fread_tail(void *, size_t, size_t);
1.13 millert 115: static void dumpheader(struct ktr_header *);
1.37 tedu 116: static void ktrgenio(struct ktr_genio *, size_t);
117: static void ktrnamei(const char *, size_t);
1.13 millert 118: static void ktrpsig(struct ktr_psig *);
1.93 jsg 119: static void ktrsyscall(struct ktr_syscall *, size_t);
1.94 guenther 120: static const char *kresolvsysctl(int, const int *);
1.103 guenther 121: static void ktrsysret(struct ktr_sysret *, size_t);
1.81 miod 122: static void ktruser(struct ktr_user *, size_t);
1.106 guenther 123: static void ktrexec(const char*, size_t);
1.117 deraadt 124: static void ktrpledge(struct ktr_pledge *, size_t);
1.13 millert 125: static void usage(void);
1.92 guenther 126: static void ioctldecode(int);
127: static void ptracedecode(int);
1.61 matthew 128: static void atfd(int);
1.77 guenther 129: static void polltimeout(int);
1.82 guenther 130: static void wait4pid(int);
1.83 guenther 131: static void signame(int);
132: static void semctlname(int);
133: static void shmctlname(int);
134: static void semgetname(int);
1.92 guenther 135: static void flagsandmodename(int);
1.83 guenther 136: static void clockname(int);
137: static void sockoptlevelname(int);
1.88 guenther 138: static void ktraceopname(int);
1.12 espie 139:
1.102 deraadt 140: static int screenwidth;
141:
1.1 deraadt 142: int
1.17 deraadt 143: main(int argc, char *argv[])
1.1 deraadt 144: {
1.37 tedu 145: int ch, silent;
146: size_t ktrlen, size;
1.17 deraadt 147: int trpoints = ALL_POINTS;
1.101 deraadt 148: const char *errstr;
1.12 espie 149: void *m;
1.1 deraadt 150:
1.102 deraadt 151: if (screenwidth == 0) {
152: struct winsize ws;
153:
154: if (fancy && ioctl(fileno(stderr), TIOCGWINSZ, &ws) != -1 &&
155: ws.ws_col > 8)
156: screenwidth = ws.ws_col;
157: else
158: screenwidth = 80;
159: }
160:
1.122 guenther 161: while ((ch = getopt(argc, argv, "f:dHlm:np:RTt:xX")) != -1)
1.1 deraadt 162: switch (ch) {
163: case 'f':
164: tracefile = optarg;
165: break;
166: case 'd':
167: decimal = 1;
168: break;
1.67 mikeb 169: case 'H':
170: needtid = 1;
171: break;
1.1 deraadt 172: case 'l':
173: tail = 1;
174: break;
175: case 'm':
1.101 deraadt 176: maxdata = strtonum(optarg, 0, INT_MAX, &errstr);
177: if (errstr)
178: errx(1, "-m %s: %s", optarg, errstr);
1.1 deraadt 179: break;
180: case 'n':
181: fancy = 0;
182: break;
1.17 deraadt 183: case 'p':
1.101 deraadt 184: pid_opt = strtonum(optarg, 1, INT_MAX, &errstr);
185: if (errstr)
186: errx(1, "-p %s: %s", optarg, errstr);
1.17 deraadt 187: break;
1.128 tedu 188: case 'R': /* relative timestamp */
189: timestamp = timestamp == 1 ? 3 : 2;
1.1 deraadt 190: break;
191: case 'T':
1.128 tedu 192: timestamp = timestamp == 2 ? 3 : 1;
1.1 deraadt 193: break;
194: case 't':
1.129 guenther 195: trpoints = getpoints(optarg, DEF_POINTS);
1.1 deraadt 196: if (trpoints < 0)
197: errx(1, "unknown trace point in %s", optarg);
198: break;
1.31 tedu 199: case 'x':
200: iohex = 1;
201: break;
202: case 'X':
203: iohex = 2;
204: break;
1.1 deraadt 205: default:
206: usage();
207: }
1.5 deraadt 208: if (argc > optind)
1.1 deraadt 209: usage();
1.108 deraadt 210:
1.134 ! mestre 211: if (unveil(tracefile, "r") == -1)
! 212: err(1, "unveil");
1.115 deraadt 213: if (pledge("stdio rpath getpw", NULL) == -1)
1.113 deraadt 214: err(1, "pledge");
1.1 deraadt 215:
1.37 tedu 216: m = malloc(size = 1025);
1.1 deraadt 217: if (m == NULL)
1.37 tedu 218: err(1, NULL);
1.1 deraadt 219: if (!freopen(tracefile, "r", stdin))
220: err(1, "%s", tracefile);
1.112 deraadt 221:
1.67 mikeb 222: if (fread_tail(&ktr_header, sizeof(struct ktr_header), 1) == 0 ||
223: ktr_header.ktr_type != htobe32(KTR_START))
224: errx(1, "%s: not a dump", tracefile);
1.1 deraadt 225: while (fread_tail(&ktr_header, sizeof(struct ktr_header), 1)) {
1.17 deraadt 226: silent = 0;
1.85 guenther 227: if (pid_opt != -1 && pid_opt != ktr_header.ktr_pid)
1.17 deraadt 228: silent = 1;
229: if (silent == 0 && trpoints & (1<<ktr_header.ktr_type))
1.1 deraadt 230: dumpheader(&ktr_header);
1.37 tedu 231: ktrlen = ktr_header.ktr_len;
1.1 deraadt 232: if (ktrlen > size) {
1.23 tedu 233: void *newm;
234:
1.64 guenther 235: if (ktrlen == SIZE_MAX)
236: errx(1, "data too long");
1.23 tedu 237: newm = realloc(m, ktrlen+1);
238: if (newm == NULL)
1.66 deraadt 239: err(1, "realloc");
1.23 tedu 240: m = newm;
1.1 deraadt 241: size = ktrlen;
242: }
243: if (ktrlen && fread_tail(m, ktrlen, 1) == 0)
244: errx(1, "data too short");
1.17 deraadt 245: if (silent)
246: continue;
1.1 deraadt 247: if ((trpoints & (1<<ktr_header.ktr_type)) == 0)
248: continue;
249: switch (ktr_header.ktr_type) {
250: case KTR_SYSCALL:
1.131 guenther 251: ktrsyscall(m, ktrlen);
1.1 deraadt 252: break;
253: case KTR_SYSRET:
1.131 guenther 254: ktrsysret(m, ktrlen);
1.1 deraadt 255: break;
256: case KTR_NAMEI:
257: ktrnamei(m, ktrlen);
258: break;
259: case KTR_GENIO:
1.131 guenther 260: ktrgenio(m, ktrlen);
1.1 deraadt 261: break;
262: case KTR_PSIG:
1.131 guenther 263: ktrpsig(m);
1.1 deraadt 264: break;
1.55 otto 265: case KTR_STRUCT:
266: ktrstruct(m, ktrlen);
267: break;
1.81 miod 268: case KTR_USER:
269: ktruser(m, ktrlen);
270: break;
1.106 guenther 271: case KTR_EXECARGS:
272: case KTR_EXECENV:
273: ktrexec(m, ktrlen);
274: break;
1.117 deraadt 275: case KTR_PLEDGE:
1.131 guenther 276: ktrpledge(m, ktrlen);
1.117 deraadt 277: break;
1.123 guenther 278: default:
279: printf("\n");
280: break;
1.1 deraadt 281: }
282: if (tail)
283: (void)fflush(stdout);
284: }
1.12 espie 285: exit(0);
1.1 deraadt 286: }
287:
1.12 espie 288: static int
1.37 tedu 289: fread_tail(void *buf, size_t size, size_t num)
1.1 deraadt 290: {
291: int i;
292:
293: while ((i = fread(buf, size, num, stdin)) == 0 && tail) {
294: (void)sleep(1);
295: clearerr(stdin);
296: }
297: return (i);
298: }
299:
1.12 espie 300: static void
1.17 deraadt 301: dumpheader(struct ktr_header *kth)
1.1 deraadt 302: {
1.67 mikeb 303: static struct timespec prevtime;
1.1 deraadt 304: char unknown[64], *type;
1.67 mikeb 305: struct timespec temp;
1.1 deraadt 306:
307: switch (kth->ktr_type) {
308: case KTR_SYSCALL:
309: type = "CALL";
310: break;
311: case KTR_SYSRET:
312: type = "RET ";
313: break;
314: case KTR_NAMEI:
315: type = "NAMI";
316: break;
317: case KTR_GENIO:
318: type = "GIO ";
319: break;
320: case KTR_PSIG:
321: type = "PSIG";
322: break;
1.55 otto 323: case KTR_STRUCT:
324: type = "STRU";
325: break;
1.81 miod 326: case KTR_USER:
327: type = "USER";
328: break;
1.106 guenther 329: case KTR_EXECARGS:
330: type = "ARGS";
331: break;
332: case KTR_EXECENV:
333: type = "ENV ";
334: break;
1.117 deraadt 335: case KTR_PLEDGE:
336: type = "PLDG";
337: break;
1.1 deraadt 338: default:
1.123 guenther 339: /* htobe32() not guaranteed to work as case label */
340: if (kth->ktr_type == htobe32(KTR_START)) {
341: type = "STRT";
342: break;
343: }
1.122 guenther 344: (void)snprintf(unknown, sizeof unknown, "UNKNOWN(%u)",
1.17 deraadt 345: kth->ktr_type);
1.1 deraadt 346: type = unknown;
347: }
348:
1.111 guenther 349: basecol = printf("%6ld", (long)kth->ktr_pid);
1.67 mikeb 350: if (needtid)
1.111 guenther 351: basecol += printf("/%-7ld", (long)kth->ktr_tid);
352: basecol += printf(" %-8.*s ", MAXCOMLEN, kth->ktr_comm);
1.1 deraadt 353: if (timestamp) {
1.128 tedu 354: if (timestamp == 3) {
355: if (prevtime.tv_sec == 0)
356: prevtime = kth->ktr_time;
357: timespecsub(&kth->ktr_time, &prevtime, &temp);
358: } else if (timestamp == 2) {
1.67 mikeb 359: timespecsub(&kth->ktr_time, &prevtime, &temp);
1.1 deraadt 360: prevtime = kth->ktr_time;
361: } else
362: temp = kth->ktr_time;
1.111 guenther 363: basecol += printf("%lld.%06ld ", (long long)temp.tv_sec,
1.79 deraadt 364: temp.tv_nsec / 1000);
1.1 deraadt 365: }
1.111 guenther 366: basecol += printf("%s ", type);
1.1 deraadt 367: }
368:
1.92 guenther 369: /*
370: * Base Formatters
371: */
372:
373: /* some syscalls have padding that shouldn't be shown */
374: static int
375: pad(long arg)
376: {
377: /* nothing printed */
378: return (1);
379: }
380:
381: /* a formatter that just saves the argument for the next formatter */
382: int arg1;
383: static int
384: pass_two(long arg)
385: {
386: arg1 = (int)arg;
387:
388: /* nothing printed */
389: return (1);
390: }
391:
392: static int
393: pdeclong(long arg)
394: {
395: (void)printf("%ld", arg);
396: return (0);
397: }
398:
399: static int
400: pdeculong(long arg)
1.2 deraadt 401: {
1.92 guenther 402: (void)printf("%lu", arg);
403: return (0);
404: }
1.2 deraadt 405:
1.92 guenther 406: static int
407: phexlong(long arg)
408: {
409: (void)printf("%#lx", arg);
410: return (0);
411: }
1.2 deraadt 412:
1.92 guenther 413: static int
414: pnonfancy(long arg)
415: {
416: if (decimal)
417: (void)printf("%ld", arg);
1.2 deraadt 418: else
1.92 guenther 419: (void)printf("%#lx", arg);
420: return (0);
1.2 deraadt 421: }
1.1 deraadt 422:
1.52 otto 423: static void
1.92 guenther 424: pdecint(int arg)
1.52 otto 425: {
1.92 guenther 426: (void)printf("%d", arg);
1.52 otto 427: }
428:
429: static void
1.92 guenther 430: pdecuint(int arg)
1.52 otto 431: {
1.92 guenther 432: (void)printf("%u", arg);
1.52 otto 433: }
434:
435: static void
1.92 guenther 436: phexint(int arg)
1.52 otto 437: {
1.92 guenther 438: (void)printf("%#x", arg);
1.52 otto 439: }
1.92 guenther 440:
1.52 otto 441: static void
1.92 guenther 442: poctint(int arg)
443: {
444: (void)printf("%#o", arg);
445: }
446:
447:
448: #ifdef __LP64__
449:
450: /* on LP64, long long arguments are the same as long arguments */
451: #define Phexlonglong Phexlong
452: #define phexll NULL /* not actually used on LP64 */
453:
454: #else /* __LP64__ */
455:
456: /* on ILP32, long long arguments are passed as two 32bit args */
457: #define Phexlonglong PASS_LONGLONG, Phexll
458:
459: static int
460: phexll(long arg2)
1.52 otto 461: {
1.92 guenther 462: long long val;
463:
464: #if _BYTE_ORDER == _LITTLE_ENDIAN
465: val = ((long long)arg2 << 32) | ((long long)arg1 & 0xffffffff);
466: #else
467: val = ((long long)arg1 << 32) | ((long long)arg2 & 0xffffffff);
468: #endif
469:
470: if (fancy || !decimal)
471: (void)printf("%#llx", val);
472: else
1.52 otto 473: (void)printf("%lld", val);
1.92 guenther 474: return (0);
1.52 otto 475: }
1.92 guenther 476:
477: #endif /* __LP64__ */
478:
479: static int (*long_formatters[])(long) = {
480: NULL,
481: pdeclong,
482: pdeculong,
483: phexlong,
484: pass_two,
485: pass_two,
486: phexll,
487: pad,
488: pnonfancy,
489: };
490:
491: static void (*formatters[])(int) = {
492: NULL,
493: pdecint,
494: phexint,
495: poctint,
496: pdecuint,
497: ioctldecode,
498: ptracedecode,
499: atfd,
500: polltimeout,
501: wait4pid,
502: signame,
503: semctlname,
504: shmctlname,
505: semgetname,
506: flagsandmodename,
507: clockname,
508: sockoptlevelname,
509: ktraceopname,
510: fcntlcmdname,
511: modename,
512: flagsname,
513: openflagsname,
514: atflagsname,
515: accessmodename,
516: mmapprotname,
517: mmapflagsname,
518: wait4optname,
519: sendrecvflagsname,
520: mountflagsname,
521: rebootoptname,
522: flockname,
523: sockoptname,
524: sockipprotoname,
525: socktypename,
526: sockflagsname,
527: sockfamilyname,
528: mlockallname,
529: shmatname,
530: whencename,
531: pathconfname,
532: rlimitname,
533: shutdownhowname,
534: prioname,
535: madvisebehavname,
536: msyncflagsname,
537: clocktypename,
538: rusagewho,
539: sigactionflagname,
540: sigprocmaskhowname,
541: minheritname,
542: quotactlname,
543: sigill_name,
544: sigtrap_name,
545: sigemt_name,
546: sigfpe_name,
547: sigbus_name,
548: sigsegv_name,
549: sigchld_name,
550: ktracefacname,
551: itimername,
552: sigset,
1.94 guenther 553: uidname,
554: gidname,
1.125 guenther 555: syslogflagname,
1.130 mpi 556: futexflagname,
1.92 guenther 557: };
558:
559: enum {
560: /* the end of the (known) arguments is recognized by the zero fill */
561: end_of_args = 0,
562:
563: /* negative are the negative of the index into long_formatters[] */
564: Pdeclong = -1,
565: Pdeculong = -2,
566: Phexlong = -3,
567: PASS_TWO = -4,
568:
569: /* the remaining long formatters still get called when non-fancy (-n option) */
570: #define FMT_IS_NONFANCY(x) ((x) <= PASS_LONGLONG)
571: PASS_LONGLONG = -5,
572: Phexll = -6,
573: PAD = -7,
574: Pnonfancy = -8,
575:
576: /* positive values are the index into formatters[] */
577: Pdecint = 1,
578: Phexint,
579: Poctint,
580: Pdecuint,
581: Ioctldecode,
582: Ptracedecode,
583: Atfd,
584: Polltimeout,
585: Wait4pid,
586: Signame,
587: Semctlname,
588: Shmctlname,
589: Semgetname,
590: Flagsandmodename,
591: Clockname,
592: Sockoptlevelname,
593: Ktraceopname,
594: Fcntlcmdname,
595: Modename,
596: Flagsname,
597: Openflagsname,
598: Atflagsname,
599: Accessmodename,
600: Mmapprotname,
601: Mmapflagsname,
602: Wait4optname,
603: Sendrecvflagsname,
604: Mountflagsname,
605: Rebootoptname,
606: Flockname,
607: Sockoptname,
608: Sockipprotoname,
609: Socktypename,
610: Sockflagsname,
611: Sockfamilyname,
612: Mlockallname,
613: Shmatname,
614: Whencename,
615: Pathconfname,
616: Rlimitname,
617: Shutdownhowname,
618: Prioname,
619: Madvisebehavname,
620: Msyncflagsname,
621: Clocktypename,
622: Rusagewho,
623: Sigactionflagname,
624: Sigprocmaskhowname,
625: Minheritname,
626: Quotactlname,
627: Sigill_name,
628: Sigtrap_name,
629: Sigemt_name,
630: Sigfpe_name,
631: Sigbus_name,
632: Sigsegv_name,
633: Sigchld_name,
634: Ktracefacname,
635: Itimername,
636: Sigset,
1.94 guenther 637: Uidname,
638: Gidname,
1.125 guenther 639: Syslogflagname,
1.130 mpi 640: Futexflagname,
1.92 guenther 641: };
642:
643: #define Pptr Phexlong
644: #define Psize Pdeculong /* size_t for small buffers */
645: #define Pbigsize Phexlong /* size_t for I/O buffers */
646: #define Pcount Pdecint /* int for a count of something */
647: #define Pfd Pdecint
648: #define Ppath Phexlong
649: #define Pdev_t Pdecint
650: #define Ppid_t Pdecint
651: #define Ppgid Pdecint /* pid or negative pgid */
652: #define Poff_t Phexlonglong
653: #define Pmsqid Pdecint
654: #define Pshmid Pdecint
655: #define Psemid Pdecint
656: #define Pkey_t Pdecint
657: #define Pucount Pdecuint
658: #define Chflagsname Phexlong /* to be added */
659: #define Sockprotoname Phexlong /* to be added */
660: #define Swapctlname Phexlong /* to be added */
661: #define Msgflgname Phexlong /* to be added */
662:
663:
664: typedef signed char formatter;
665: static const formatter scargs[][8] = {
666: [SYS_exit] = { Pdecint },
667: [SYS_read] = { Pfd, Pptr, Pbigsize },
668: [SYS_write] = { Pfd, Pptr, Pbigsize },
669: [SYS_open] = { Ppath, PASS_TWO, Flagsandmodename },
670: [SYS_close] = { Pfd },
671: [SYS_getentropy] = { Pptr, Psize },
672: [SYS___tfork] = { Pptr, Psize },
673: [SYS_link] = { Ppath, Ppath },
674: [SYS_unlink] = { Ppath },
675: [SYS_wait4] = { Wait4pid, Pptr, Wait4optname },
676: [SYS_chdir] = { Ppath },
677: [SYS_fchdir] = { Pfd },
678: [SYS_mknod] = { Ppath, Modename, Pdev_t },
679: [SYS_chmod] = { Ppath, Modename },
1.94 guenther 680: [SYS_chown] = { Ppath, Uidname, Gidname },
1.92 guenther 681: [SYS_break] = { Pptr },
682: [SYS_getrusage] = { Rusagewho, Pptr },
683: [SYS_mount] = { Pptr, Ppath, Mountflagsname, Pptr },
684: [SYS_unmount] = { Ppath, Mountflagsname },
1.94 guenther 685: [SYS_setuid] = { Uidname },
1.92 guenther 686: [SYS_ptrace] = { Ptracedecode, Ppid_t, Pptr, Pdecint },
687: [SYS_recvmsg] = { Pfd, Pptr, Sendrecvflagsname },
688: [SYS_sendmsg] = { Pfd, Pptr, Sendrecvflagsname },
689: [SYS_recvfrom] = { Pfd, Pptr, Pbigsize, Sendrecvflagsname },
690: [SYS_accept] = { Pfd, Pptr, Pptr },
691: [SYS_getpeername] = { Pfd, Pptr, Pptr },
692: [SYS_getsockname] = { Pfd, Pptr, Pptr },
693: [SYS_access] = { Ppath, Accessmodename },
694: [SYS_chflags] = { Ppath, Chflagsname },
695: [SYS_fchflags] = { Pfd, Chflagsname },
696: [SYS_kill] = { Ppgid, Signame },
697: [SYS_stat] = { Ppath, Pptr },
698: [SYS_lstat] = { Ppath, Pptr },
699: [SYS_dup] = { Pfd },
700: [SYS_fstatat] = { Atfd, Ppath, Pptr, Atflagsname },
701: [SYS_profil] = { Pptr, Pbigsize, Pbigsize, Pdecuint },
702: [SYS_ktrace] = { Ppath, Ktraceopname, Ktracefacname, Ppgid },
703: [SYS_sigaction] = { Signame, Pptr, Pptr },
704: [SYS_sigprocmask] = { Sigprocmaskhowname, Sigset },
1.127 guenther 705: [SYS_getlogin_r] = { Pptr, Psize },
1.92 guenther 706: [SYS_setlogin] = { Pptr },
707: [SYS_acct] = { Ppath },
708: [SYS_fstat] = { Pfd, Pptr },
709: [SYS_ioctl] = { Pfd, Ioctldecode, Pptr },
710: [SYS_reboot] = { Rebootoptname },
711: [SYS_revoke] = { Ppath },
712: [SYS_symlink] = { Ppath, Ppath },
713: [SYS_readlink] = { Ppath, Pptr, Psize },
714: [SYS_execve] = { Ppath, Pptr, Pptr },
715: [SYS_umask] = { Modename },
716: [SYS_chroot] = { Ppath },
717: [SYS_getfsstat] = { Pptr, Pbigsize, Mountflagsname },
718: [SYS_statfs] = { Ppath, Pptr },
719: [SYS_fstatfs] = { Pfd, Pptr },
720: [SYS_fhstatfs] = { Pptr, Pptr },
721: [SYS_gettimeofday] = { Pptr, Pptr },
722: [SYS_settimeofday] = { Pptr, Pptr },
723: [SYS_setitimer] = { Itimername, Pptr, Pptr },
724: [SYS_getitimer] = { Itimername, Pptr },
725: [SYS_select] = { Pcount, Pptr, Pptr, Pptr, Pptr },
726: [SYS_kevent] = { Pfd, Pptr, Pcount, Pptr, Pcount, Pptr },
727: [SYS_munmap] = { Pptr, Pbigsize },
728: [SYS_mprotect] = { Pptr, Pbigsize, Mmapprotname },
729: [SYS_madvise] = { Pptr, Pbigsize, Madvisebehavname },
730: [SYS_utimes] = { Ppath, Pptr },
731: [SYS_futimes] = { Pfd, Pptr },
1.124 guenther 732: [SYS_kbind] = { Pptr, Psize, Phexlonglong },
1.92 guenther 733: [SYS_mincore] = { Pptr, Pbigsize, Pptr },
734: [SYS_getgroups] = { Pcount, Pptr },
735: [SYS_setgroups] = { Pcount, Pptr },
736: [SYS_setpgid] = { Ppid_t, Ppid_t },
1.130 mpi 737: [SYS_futex] = { Pptr, Futexflagname, Pcount, Pptr, Pptr },
1.125 guenther 738: [SYS_sendsyslog] = { Pptr, Psize, Syslogflagname },
1.92 guenther 739: [SYS_utimensat] = { Atfd, Ppath, Pptr, Atflagsname },
740: [SYS_futimens] = { Pfd, Pptr },
741: [SYS_clock_gettime] = { Clockname, Pptr },
742: [SYS_clock_settime] = { Clockname, Pptr },
743: [SYS_clock_getres] = { Clockname, Pptr },
744: [SYS_dup2] = { Pfd, Pfd },
745: [SYS_nanosleep] = { Pptr, Pptr },
746: [SYS_fcntl] = { Pfd, PASS_TWO, Fcntlcmdname },
747: [SYS_accept4] = { Pfd, Pptr, Pptr, Sockflagsname },
748: [SYS___thrsleep] = { Pptr, Clockname, Pptr, Pptr, Pptr },
749: [SYS_fsync] = { Pfd },
750: [SYS_setpriority] = { Prioname, Ppid_t, Pdecint },
1.99 guenther 751: [SYS_socket] = { Sockfamilyname, Socktypename, Sockprotoname },
1.92 guenther 752: [SYS_connect] = { Pfd, Pptr, Pucount },
753: [SYS_getdents] = { Pfd, Pptr, Pbigsize },
754: [SYS_getpriority] = { Prioname, Ppid_t },
755: [SYS_pipe2] = { Pptr, Flagsname },
756: [SYS_dup3] = { Pfd, Pfd, Flagsname },
757: [SYS_sigreturn] = { Pptr },
758: [SYS_bind] = { Pfd, Pptr, Pucount },
759: [SYS_setsockopt] = { Pfd, PASS_TWO, Sockoptlevelname, Pptr, Pdecint },
760: [SYS_listen] = { Pfd, Pdecint },
761: [SYS_chflagsat] = { Atfd, Ppath, Chflagsname, Atflagsname },
762: [SYS_ppoll] = { Pptr, Pucount, Pptr, Pptr },
763: [SYS_pselect] = { Pcount, Pptr, Pptr, Pptr, Pptr, Pptr },
764: [SYS_sigsuspend] = { Sigset },
765: [SYS_getsockopt] = { Pfd, PASS_TWO, Sockoptlevelname, Pptr, Pptr },
1.120 guenther 766: [SYS_thrkill] = { Ppid_t, Signame, Pptr },
1.92 guenther 767: [SYS_readv] = { Pfd, Pptr, Pcount },
768: [SYS_writev] = { Pfd, Pptr, Pcount },
1.94 guenther 769: [SYS_fchown] = { Pfd, Uidname, Gidname },
1.92 guenther 770: [SYS_fchmod] = { Pfd, Modename },
1.94 guenther 771: [SYS_setreuid] = { Uidname, Uidname },
772: [SYS_setregid] = { Gidname, Gidname },
1.92 guenther 773: [SYS_rename] = { Ppath, Ppath },
774: [SYS_flock] = { Pfd, Flockname },
775: [SYS_mkfifo] = { Ppath, Modename },
776: [SYS_sendto] = { Pfd, Pptr, Pbigsize, Sendrecvflagsname },
777: [SYS_shutdown] = { Pfd, Shutdownhowname },
1.99 guenther 778: [SYS_socketpair] = { Sockfamilyname, Socktypename, Sockprotoname, Pptr },
1.92 guenther 779: [SYS_mkdir] = { Ppath, Modename },
780: [SYS_rmdir] = { Ppath },
781: [SYS_adjtime] = { Pptr, Pptr },
1.94 guenther 782: [SYS_quotactl] = { Ppath, Quotactlname, Uidname, Pptr },
1.92 guenther 783: [SYS_nfssvc] = { Phexint, Pptr },
784: [SYS_getfh] = { Ppath, Pptr },
785: [SYS_sysarch] = { Pdecint, Pptr },
786: [SYS_pread] = { Pfd, Pptr, Pbigsize, PAD, Poff_t },
787: [SYS_pwrite] = { Pfd, Pptr, Pbigsize, PAD, Poff_t },
1.94 guenther 788: [SYS_setgid] = { Gidname },
789: [SYS_setegid] = { Gidname },
790: [SYS_seteuid] = { Uidname },
1.92 guenther 791: [SYS_pathconf] = { Ppath, Pathconfname },
792: [SYS_fpathconf] = { Pfd, Pathconfname },
793: [SYS_swapctl] = { Swapctlname, Pptr, Pdecint },
794: [SYS_getrlimit] = { Rlimitname, Pptr },
795: [SYS_setrlimit] = { Rlimitname, Pptr },
796: [SYS_mmap] = { Pptr, Pbigsize, Mmapprotname, Mmapflagsname, Pfd, PAD, Poff_t },
797: [SYS_lseek] = { Pfd, PAD, Poff_t, Whencename },
798: [SYS_truncate] = { Ppath, PAD, Poff_t },
799: [SYS_ftruncate] = { Pfd, PAD, Poff_t },
1.122 guenther 800: [SYS_sysctl] = { Pptr, Pcount, Pptr, Pptr, Pptr, Psize },
1.92 guenther 801: [SYS_mlock] = { Pptr, Pbigsize },
802: [SYS_munlock] = { Pptr, Pbigsize },
803: [SYS_getpgid] = { Ppid_t },
804: [SYS_utrace] = { Pptr, Pptr, Psize },
805: [SYS_semget] = { Pkey_t, Pcount, Semgetname },
806: [SYS_msgget] = { Pkey_t, Msgflgname },
807: [SYS_msgsnd] = { Pmsqid, Pptr, Psize, Msgflgname },
808: [SYS_msgrcv] = { Pmsqid, Pptr, Psize, Pdeclong, Msgflgname },
809: [SYS_shmat] = { Pshmid, Pptr, Shmatname },
810: [SYS_shmdt] = { Pptr },
811: [SYS_minherit] = { Pptr, Pbigsize, Minheritname },
812: [SYS_poll] = { Pptr, Pucount, Polltimeout },
1.94 guenther 813: [SYS_lchown] = { Ppath, Uidname, Gidname },
1.92 guenther 814: [SYS_getsid] = { Ppid_t },
815: [SYS_msync] = { Pptr, Pbigsize, Msyncflagsname },
816: [SYS_pipe] = { Pptr },
817: [SYS_fhopen] = { Pptr, Openflagsname },
818: [SYS_preadv] = { Pfd, Pptr, Pcount, PAD, Poff_t },
819: [SYS_pwritev] = { Pfd, Pptr, Pcount, PAD, Poff_t },
820: [SYS_mlockall] = { Mlockallname },
821: [SYS_getresuid] = { Pptr, Pptr, Pptr },
1.94 guenther 822: [SYS_setresuid] = { Uidname, Uidname, Uidname },
1.92 guenther 823: [SYS_getresgid] = { Pptr, Pptr, Pptr },
1.94 guenther 824: [SYS_setresgid] = { Gidname, Gidname, Gidname },
1.92 guenther 825: [SYS_mquery] = { Pptr, Pbigsize, Mmapprotname, Mmapflagsname, Pfd, PAD, Poff_t },
826: [SYS_closefrom] = { Pfd },
827: [SYS_sigaltstack] = { Pptr, Pptr },
828: [SYS_shmget] = { Pkey_t, Pbigsize, Semgetname },
829: [SYS_semop] = { Psemid, Pptr, Psize },
830: [SYS_fhstat] = { Pptr, Pptr },
831: [SYS___semctl] = { Psemid, Pcount, Semctlname, Pptr },
832: [SYS_shmctl] = { Pshmid, Shmctlname, Pptr },
833: [SYS_msgctl] = { Pmsqid, Shmctlname, Pptr },
834: [SYS___thrwakeup] = { Pptr, Pcount },
835: [SYS___threxit] = { Pptr },
836: [SYS___thrsigdivert] = { Sigset, Pptr, Pptr },
837: [SYS___getcwd] = { Pptr, Psize },
838: [SYS_adjfreq] = { Pptr, Pptr },
839: [SYS_setrtable] = { Pdecint },
840: [SYS_faccessat] = { Atfd, Ppath, Accessmodename, Atflagsname },
841: [SYS_fchmodat] = { Atfd, Ppath, Modename, Atflagsname },
1.94 guenther 842: [SYS_fchownat] = { Atfd, Ppath, Uidname, Gidname, Atflagsname },
1.92 guenther 843: [SYS_linkat] = { Atfd, Ppath, Atfd, Ppath, Atflagsname },
844: [SYS_mkdirat] = { Atfd, Ppath, Modename },
845: [SYS_mkfifoat] = { Atfd, Ppath, Modename },
846: [SYS_mknodat] = { Atfd, Ppath, Modename, Pdev_t },
847: [SYS_openat] = { Atfd, Ppath, PASS_TWO, Flagsandmodename },
848: [SYS_readlinkat] = { Atfd, Ppath, Pptr, Psize },
849: [SYS_renameat] = { Atfd, Ppath, Atfd, Ppath },
1.98 guenther 850: [SYS_symlinkat] = { Ppath, Atfd, Ppath },
1.92 guenther 851: [SYS_unlinkat] = { Atfd, Ppath, Atflagsname },
852: [SYS___set_tcb] = { Pptr },
853: };
854:
1.51 otto 855:
1.12 espie 856: static void
1.93 jsg 857: ktrsyscall(struct ktr_syscall *ktr, size_t ktrlen)
1.1 deraadt 858: {
1.92 guenther 859: register_t *ap;
860: int narg;
861: char sep;
862:
1.93 jsg 863: if (ktr->ktr_argsize > ktrlen)
864: errx(1, "syscall argument length %d > ktr header length %zu",
865: ktr->ktr_argsize, ktrlen);
866:
1.52 otto 867: narg = ktr->ktr_argsize / sizeof(register_t);
868: sep = '\0';
1.1 deraadt 869:
1.122 guenther 870: if (ktr->ktr_code >= SYS_MAXSYSCALL || ktr->ktr_code < 0)
1.1 deraadt 871: (void)printf("[%d]", ktr->ktr_code);
872: else
1.122 guenther 873: (void)printf("%s", syscallnames[ktr->ktr_code]);
1.1 deraadt 874: ap = (register_t *)((char *)ktr + sizeof(struct ktr_syscall));
1.27 mickey 875: (void)putchar('(');
1.52 otto 876:
1.122 guenther 877: if (ktr->ktr_code == SYS_sysctl && fancy) {
1.62 otto 878: const char *s;
1.94 guenther 879: int n, i, *top;
1.52 otto 880:
881: n = ap[1];
882: if (n > CTL_MAXNAME)
883: n = CTL_MAXNAME;
1.93 jsg 884: if (n < 0)
885: errx(1, "invalid sysctl length %d", n);
1.94 guenther 886: if (n > 0) {
887: top = (int *)(ap + 6);
888: printf("%d", top[0]);
889: for (i = 1; i < n; i++)
890: printf(".%d", top[i]);
891: if ((s = kresolvsysctl(0, top)) != NULL) {
892: printf("<%s", s);
893: for (i = 1; i < n; i++) {
894: if ((s = kresolvsysctl(i, top)) != NULL)
895: printf(".%s", s);
896: else
897: printf(".%d", top[i]);
898: }
899: putchar('>');
900: }
1.1 deraadt 901: }
1.52 otto 902:
903: sep = ',';
904: ap += 2;
905: narg -= 2;
1.92 guenther 906: } else if (ktr->ktr_code < nitems(scargs)) {
907: const formatter *fmts = scargs[ktr->ktr_code];
908: int fmt;
1.52 otto 909:
1.92 guenther 910: while (narg && (fmt = *fmts) != 0) {
911: if (sep)
912: putchar(sep);
913: sep = ',';
914: if (!fancy && !FMT_IS_NONFANCY(fmt))
915: fmt = Pnonfancy;
916: if (fmt > 0)
917: formatters[fmt]((int)*ap);
918: else if (long_formatters[-fmt](*ap))
919: sep = '\0';
920: fmts++;
921: ap++;
922: narg--;
923: }
1.52 otto 924: }
925:
1.93 jsg 926: while (narg > 0) {
1.52 otto 927: if (sep)
928: putchar(sep);
929: if (decimal)
930: (void)printf("%ld", (long)*ap);
931: else
932: (void)printf("%#lx", (long)*ap);
933: sep = ',';
934: ap++;
935: narg--;
1.1 deraadt 936: }
1.27 mickey 937: (void)printf(")\n");
1.62 otto 938: }
939:
940: static struct ctlname topname[] = CTL_NAMES;
941: static struct ctlname kernname[] = CTL_KERN_NAMES;
942: static struct ctlname vmname[] = CTL_VM_NAMES;
943: static struct ctlname fsname[] = CTL_FS_NAMES;
944: static struct ctlname netname[] = CTL_NET_NAMES;
945: static struct ctlname hwname[] = CTL_HW_NAMES;
946: static struct ctlname debugname[CTL_DEBUG_MAXID];
947: static struct ctlname kernmallocname[] = CTL_KERN_MALLOC_NAMES;
948: static struct ctlname forkstatname[] = CTL_KERN_FORKSTAT_NAMES;
949: static struct ctlname nchstatsname[] = CTL_KERN_NCHSTATS_NAMES;
1.88 guenther 950: static struct ctlname kernprocname[] = {
1.64 guenther 951: { NULL },
952: { "all" },
953: { "pid" },
954: { "pgrp" },
955: { "session" },
956: { "tty" },
957: { "uid" },
958: { "ruid" },
1.77 guenther 959: { "kthread" },
1.64 guenther 960: };
1.62 otto 961: static struct ctlname ttysname[] = CTL_KERN_TTY_NAMES;
962: static struct ctlname semname[] = CTL_KERN_SEMINFO_NAMES;
963: static struct ctlname shmname[] = CTL_KERN_SHMINFO_NAMES;
964: static struct ctlname watchdogname[] = CTL_KERN_WATCHDOG_NAMES;
965: static struct ctlname tcname[] = CTL_KERN_TIMECOUNTER_NAMES;
966: #ifdef CTL_MACHDEP_NAMES
967: static struct ctlname machdepname[] = CTL_MACHDEP_NAMES;
968: #endif
969: static struct ctlname ddbname[] = CTL_DDB_NAMES;
970:
971: #ifndef nitems
972: #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
973: #endif
974:
975: #define SETNAME(name) do { names = (name); limit = nitems(name); } while (0)
976:
977: static const char *
1.94 guenther 978: kresolvsysctl(int depth, const int *top)
1.62 otto 979: {
980: struct ctlname *names;
981: size_t limit;
1.94 guenther 982: int idx = top[depth];
1.62 otto 983:
984: names = NULL;
985:
986: switch (depth) {
987: case 0:
988: SETNAME(topname);
989: break;
990: case 1:
991: switch (top[0]) {
992: case CTL_KERN:
993: SETNAME(kernname);
994: break;
995: case CTL_VM:
996: SETNAME(vmname);
997: break;
998: case CTL_FS:
999: SETNAME(fsname);
1000: break;
1001: case CTL_NET:
1002: SETNAME(netname);
1003: break;
1004: case CTL_DEBUG:
1005: SETNAME(debugname);
1006: break;
1007: case CTL_HW:
1008: SETNAME(hwname);
1009: break;
1010: #ifdef CTL_MACHDEP_NAMES
1011: case CTL_MACHDEP:
1012: SETNAME(machdepname);
1013: break;
1014: #endif
1015: case CTL_DDB:
1016: SETNAME(ddbname);
1017: break;
1018: }
1019: break;
1020: case 2:
1021: switch (top[0]) {
1022: case CTL_KERN:
1023: switch (top[1]) {
1024: case KERN_MALLOCSTATS:
1025: SETNAME(kernmallocname);
1026: break;
1027: case KERN_FORKSTAT:
1028: SETNAME(forkstatname);
1029: break;
1030: case KERN_NCHSTATS:
1031: SETNAME(nchstatsname);
1032: break;
1033: case KERN_TTY:
1034: SETNAME(ttysname);
1035: break;
1036: case KERN_SEMINFO:
1037: SETNAME(semname);
1038: break;
1039: case KERN_SHMINFO:
1040: SETNAME(shmname);
1041: break;
1042: case KERN_WATCHDOG:
1043: SETNAME(watchdogname);
1044: break;
1.64 guenther 1045: case KERN_PROC:
1046: idx++; /* zero is valid at this level */
1047: SETNAME(kernprocname);
1048: break;
1.62 otto 1049: case KERN_TIMECOUNTER:
1050: SETNAME(tcname);
1051: break;
1052: }
1053: }
1054: break;
1055: }
1056: if (names != NULL && idx > 0 && idx < limit)
1057: return (names[idx].ctl_name);
1058: return (NULL);
1.1 deraadt 1059: }
1060:
1.12 espie 1061: static void
1.103 guenther 1062: ktrsysret(struct ktr_sysret *ktr, size_t ktrlen)
1.1 deraadt 1063: {
1.103 guenther 1064: register_t ret = 0;
1065: long long retll;
1.12 espie 1066: int error = ktr->ktr_error;
1067: int code = ktr->ktr_code;
1.1 deraadt 1068:
1.103 guenther 1069: if (ktrlen < sizeof(*ktr))
1070: errx(1, "sysret length %zu < ktr header length %zu",
1071: ktrlen, sizeof(*ktr));
1072: ktrlen -= sizeof(*ktr);
1073: if (error == 0) {
1074: if (ktrlen == sizeof(ret)) {
1075: memcpy(&ret, ktr+1, sizeof(ret));
1076: retll = ret;
1077: } else if (ktrlen == sizeof(retll))
1078: memcpy(&retll, ktr+1, sizeof(retll));
1079: else
1080: errx(1, "sysret bogus length %zu", ktrlen);
1081: }
1082:
1.122 guenther 1083: if (code >= SYS_MAXSYSCALL || code < 0)
1.1 deraadt 1084: (void)printf("[%d] ", code);
1.122 guenther 1085: else
1086: (void)printf("%s ", syscallnames[code]);
1.1 deraadt 1087:
1.127 guenther 1088: doerr:
1.1 deraadt 1089: if (error == 0) {
1090: if (fancy) {
1.122 guenther 1091: switch (code) {
1.103 guenther 1092: case SYS_lseek:
1093: (void)printf("%lld", retll);
1094: if (retll < 0 || retll > 9)
1095: (void)printf("/%#llx", retll);
1096: break;
1.64 guenther 1097: case SYS_sigprocmask:
1.73 guenther 1098: case SYS_sigpending:
1.64 guenther 1099: sigset(ret);
1100: break;
1101: case SYS___thrsigdivert:
1102: signame(ret);
1.94 guenther 1103: break;
1104: case SYS_getuid:
1105: case SYS_geteuid:
1106: uidname(ret);
1107: break;
1108: case SYS_getgid:
1109: case SYS_getegid:
1110: gidname(ret);
1.64 guenther 1111: break;
1.127 guenther 1112: /* syscalls that return errno values */
1113: case SYS_getlogin_r:
1114: case SYS___thrsleep:
1115: if ((error = ret) != 0)
1116: goto doerr;
1117: /* FALLTHROUGH */
1.64 guenther 1118: default:
1119: (void)printf("%ld", (long)ret);
1120: if (ret < 0 || ret > 9)
1121: (void)printf("/%#lx", (long)ret);
1122: }
1.1 deraadt 1123: } else {
1124: if (decimal)
1.103 guenther 1125: (void)printf("%lld", retll);
1.1 deraadt 1126: else
1.103 guenther 1127: (void)printf("%#llx", retll);
1.1 deraadt 1128: }
1129: } else if (error == ERESTART)
1130: (void)printf("RESTART");
1131: else if (error == EJUSTRETURN)
1132: (void)printf("JUSTRETURN");
1133: else {
1.127 guenther 1134: (void)printf("-1 errno %d", error);
1.1 deraadt 1135: if (fancy)
1.127 guenther 1136: (void)printf(" %s", strerror(error));
1.1 deraadt 1137: }
1138: (void)putchar('\n');
1139: }
1140:
1.12 espie 1141: static void
1.37 tedu 1142: ktrnamei(const char *cp, size_t len)
1.1 deraadt 1143: {
1.126 guenther 1144: showbufc(basecol, (unsigned char *)cp, len, VIS_DQ | VIS_TAB | VIS_NL);
1.1 deraadt 1145: }
1146:
1.111 guenther 1147: void
1.126 guenther 1148: showbufc(int col, unsigned char *dp, size_t datalen, int flags)
1.106 guenther 1149: {
1.126 guenther 1150: int width;
1151: unsigned char visbuf[5], *cp;
1.106 guenther 1152:
1.126 guenther 1153: flags |= VIS_CSTYLE;
1.106 guenther 1154: putchar('"');
1.111 guenther 1155: col++;
1.106 guenther 1156: for (; datalen > 0; datalen--, dp++) {
1.126 guenther 1157: (void)vis(visbuf, *dp, flags, *(dp+1));
1.106 guenther 1158: cp = visbuf;
1159:
1160: /*
1161: * Keep track of printables and
1162: * space chars (like fold(1)).
1163: */
1164: if (col == 0) {
1165: (void)putchar('\t');
1166: col = 8;
1167: }
1168: switch (*cp) {
1169: case '\n':
1170: col = 0;
1171: (void)putchar('\n');
1172: continue;
1173: case '\t':
1174: width = 8 - (col&07);
1175: break;
1176: default:
1177: width = strlen(cp);
1178: }
1179: if (col + width > (screenwidth-2)) {
1180: (void)printf("\\\n\t");
1181: col = 8;
1182: }
1183: col += width;
1184: do {
1185: (void)putchar(*cp++);
1186: } while (*cp);
1187: }
1188: if (col == 0)
1189: (void)printf(" ");
1190: (void)printf("\"\n");
1191: }
1192:
1193: static void
1.81 miod 1194: showbuf(unsigned char *dp, size_t datalen)
1.1 deraadt 1195: {
1.37 tedu 1196: int i, j;
1.126 guenther 1197: int col = 0, bpl;
1198: unsigned char c;
1.1 deraadt 1199:
1.31 tedu 1200: if (iohex == 1) {
1201: putchar('\t');
1202: col = 8;
1203: for (i = 0; i < datalen; i++) {
1.35 tedu 1204: printf("%02x", dp[i]);
1.31 tedu 1205: col += 3;
1206: if (i < datalen - 1) {
1207: if (col + 3 > screenwidth) {
1208: printf("\n\t");
1209: col = 8;
1210: } else
1211: putchar(' ');
1212: }
1213: }
1214: putchar('\n');
1215: return;
1216: }
1217: if (iohex == 2) {
1218: bpl = (screenwidth - 13)/4;
1219: if (bpl <= 0)
1220: bpl = 1;
1221: for (i = 0; i < datalen; i += bpl) {
1222: printf(" %04x: ", i);
1223: for (j = 0; j < bpl; j++) {
1224: if (i+j >= datalen)
1225: printf(" ");
1226: else
1.35 tedu 1227: printf("%02x ", dp[i+j]);
1.31 tedu 1228: }
1229: putchar(' ');
1230: for (j = 0; j < bpl; j++) {
1231: if (i+j >= datalen)
1232: break;
1233: c = dp[i+j];
1234: if (!isprint(c))
1235: c = '.';
1236: putchar(c);
1237: }
1238: putchar('\n');
1239: }
1240: return;
1241: }
1.111 guenther 1242:
1243: (void)printf(" ");
1.126 guenther 1244: showbufc(7, dp, datalen, 0);
1.1 deraadt 1245: }
1246:
1.12 espie 1247: static void
1.81 miod 1248: ktrgenio(struct ktr_genio *ktr, size_t len)
1249: {
1250: unsigned char *dp = (unsigned char *)ktr + sizeof(struct ktr_genio);
1.93 jsg 1251: size_t datalen;
1252:
1253: if (len < sizeof(struct ktr_genio))
1254: errx(1, "invalid ktr genio length %zu", len);
1255:
1256: datalen = len - sizeof(struct ktr_genio);
1.81 miod 1257:
1258: printf("fd %d %s %zu bytes\n", ktr->ktr_fd,
1259: ktr->ktr_rw == UIO_READ ? "read" : "wrote", datalen);
1260: if (maxdata == 0)
1261: return;
1262: if (datalen > maxdata)
1263: datalen = maxdata;
1264: if (iohex && !datalen)
1265: return;
1266: showbuf(dp, datalen);
1267: }
1268:
1269: static void
1.17 deraadt 1270: ktrpsig(struct ktr_psig *psig)
1.1 deraadt 1271: {
1.93 jsg 1272: signame(psig->signo);
1.96 bluhm 1273: printf(" ");
1.1 deraadt 1274: if (psig->action == SIG_DFL)
1.63 deraadt 1275: (void)printf("SIG_DFL");
1.64 guenther 1276: else {
1277: (void)printf("caught handler=0x%lx mask=",
1278: (u_long)psig->action);
1279: sigset(psig->mask);
1280: }
1.63 deraadt 1281: if (psig->code) {
1282: printf(" code ");
1283: if (fancy) {
1284: switch (psig->signo) {
1285: case SIGILL:
1286: sigill_name(psig->code);
1287: break;
1288: case SIGTRAP:
1289: sigtrap_name(psig->code);
1290: break;
1291: case SIGEMT:
1292: sigemt_name(psig->code);
1293: break;
1294: case SIGFPE:
1295: sigfpe_name(psig->code);
1296: break;
1297: case SIGBUS:
1298: sigbus_name(psig->code);
1299: break;
1300: case SIGSEGV:
1301: sigsegv_name(psig->code);
1302: break;
1303: case SIGCHLD:
1304: sigchld_name(psig->code);
1305: break;
1306: }
1307: }
1308: printf("<%d>", psig->code);
1309: }
1310:
1.14 deraadt 1311: switch (psig->signo) {
1312: case SIGSEGV:
1313: case SIGILL:
1314: case SIGBUS:
1315: case SIGFPE:
1316: printf(" addr=%p trapno=%d", psig->si.si_addr,
1317: psig->si.si_trapno);
1318: break;
1319: default:
1320: break;
1321: }
1322: printf("\n");
1.1 deraadt 1323: }
1324:
1.64 guenther 1325: static void
1.81 miod 1326: ktruser(struct ktr_user *usr, size_t len)
1327: {
1.93 jsg 1328: if (len < sizeof(struct ktr_user))
1329: errx(1, "invalid ktr user length %zu", len);
1.81 miod 1330: len -= sizeof(struct ktr_user);
1331: printf("%.*s:", KTR_USER_MAXIDLEN, usr->ktr_id);
1332: printf(" %zu bytes\n", len);
1333: showbuf((unsigned char *)(usr + 1), len);
1.106 guenther 1334: }
1335:
1336: static void
1337: ktrexec(const char *ptr, size_t len)
1338: {
1.111 guenther 1339: int i, col;
1.106 guenther 1340: size_t l;
1341:
1342: putchar('\n');
1343: i = 0;
1344: while (len > 0) {
1345: l = strnlen(ptr, len);
1.111 guenther 1346: col = printf("\t[%d] = ", i++);
1347: col += 7; /* tab expands from 1 to 8 columns */
1.126 guenther 1348: showbufc(col, (unsigned char *)ptr, l, VIS_DQ|VIS_TAB|VIS_NL);
1.106 guenther 1349: if (l == len) {
1350: printf("\tunterminated argument\n");
1351: break;
1352: }
1353: len -= l + 1;
1354: ptr += l + 1;
1355: }
1.117 deraadt 1356: }
1357:
1358: static void
1359: ktrpledge(struct ktr_pledge *pledge, size_t len)
1360: {
1.118 deraadt 1361: char *name = "";
1.117 deraadt 1362: int i;
1363:
1364: if (len < sizeof(struct ktr_pledge))
1365: errx(1, "invalid ktr pledge length %zu", len);
1366:
1.122 guenther 1367: if (pledge->syscall >= SYS_MAXSYSCALL || pledge->syscall < 0)
1.117 deraadt 1368: (void)printf("[%d]", pledge->syscall);
1369: else
1.122 guenther 1370: (void)printf("%s", syscallnames[pledge->syscall]);
1.117 deraadt 1371: printf(", ");
1.118 deraadt 1372: for (i = 0; pledge->code && pledgenames[i].bits != 0; i++) {
1.117 deraadt 1373: if (pledgenames[i].bits & pledge->code) {
1.118 deraadt 1374: name = pledgenames[i].name;
1.117 deraadt 1375: break;
1376: }
1377: }
1.118 deraadt 1378: printf("\"%s\"", name);
1.117 deraadt 1379: (void)printf(", errno %d", pledge->error);
1380: if (fancy)
1381: (void)printf(" %s", strerror(pledge->error));
1382: printf("\n");
1.81 miod 1383: }
1384:
1385: static void
1.17 deraadt 1386: usage(void)
1.1 deraadt 1387: {
1388:
1.19 mickey 1389: extern char *__progname;
1390: fprintf(stderr, "usage: %s "
1.122 guenther 1391: "[-dHlnRTXx] [-f file] [-m maxdata] [-p pid]\n"
1.129 guenther 1392: "%*s[-t [cinpstuxX+]]\n",
1.51 otto 1393: __progname, (int)(sizeof("usage: ") + strlen(__progname)), "");
1.1 deraadt 1394: exit(1);
1395: }
1396:
1.61 matthew 1397:
1.92 guenther 1398: /*
1399: * FORMATTERS
1400: */
1401:
1402: static void
1403: ioctldecode(int cmd)
1404: {
1405: char dirbuf[4], *dir = dirbuf;
1406: const char *cp;
1407:
1408: if ((cp = ioctlname((unsigned)cmd)) != NULL) {
1409: (void)printf("%s", cp);
1410: return;
1411: }
1412:
1413: if (cmd & IOC_IN)
1414: *dir++ = 'W';
1415: if (cmd & IOC_OUT)
1416: *dir++ = 'R';
1417: *dir = '\0';
1418:
1.109 zhuk 1419: printf("_IO%s('%c',%d",
1.92 guenther 1420: dirbuf, (int)((cmd >> 8) & 0xff), cmd & 0xff);
1421: if ((cmd & IOC_VOID) == 0)
1422: printf(decimal ? ",%u)" : ",%#x)", (cmd >> 16) & 0xff);
1423: else
1424: printf(")");
1425: }
1426:
1427: static void
1428: ptracedecode(int request)
1429: {
1430: if (request >= 0 && request < nitems(ptrace_ops))
1431: (void)printf("%s", ptrace_ops[request]);
1432: else switch(request) {
1433: #ifdef PT_GETFPREGS
1434: case PT_GETFPREGS:
1435: (void)printf("PT_GETFPREGS");
1436: break;
1437: #endif
1438: case PT_GETREGS:
1439: (void)printf("PT_GETREGS");
1440: break;
1441: #ifdef PT_GETXMMREGS
1442: case PT_GETXMMREGS:
1443: (void)printf("PT_GETXMMREGS");
1444: break;
1445: #endif
1446: #ifdef PT_SETFPREGS
1447: case PT_SETFPREGS:
1448: (void)printf("PT_SETFPREGS");
1449: break;
1450: #endif
1451: case PT_SETREGS:
1452: (void)printf("PT_SETREGS");
1453: break;
1454: #ifdef PT_SETXMMREGS
1455: case PT_SETXMMREGS:
1456: (void)printf("PT_SETXMMREGS");
1457: break;
1458: #endif
1459: #ifdef PT_STEP
1460: case PT_STEP:
1461: (void)printf("PT_STEP");
1462: break;
1463: #endif
1464: #ifdef PT_WCOOKIE
1465: case PT_WCOOKIE:
1466: (void)printf("PT_WCOOKIE");
1467: break;
1468: #endif
1469: default:
1470: pdecint(request);
1471: }
1472: }
1473:
1474:
1.61 matthew 1475: static void
1476: atfd(int fd)
1477: {
1478: if (fd == AT_FDCWD)
1479: (void)printf("AT_FDCWD");
1480: else
1.92 guenther 1481: pdecint(fd);
1.77 guenther 1482: }
1483:
1484: static void
1485: polltimeout(int timeout)
1486: {
1487: if (timeout == INFTIM)
1488: (void)printf("INFTIM");
1489: else
1.92 guenther 1490: pdecint(timeout);
1.82 guenther 1491: }
1492:
1493: static void
1494: wait4pid(int pid)
1495: {
1496: if (pid == WAIT_ANY)
1497: (void)printf("WAIT_ANY");
1498: else if (pid == WAIT_MYPGRP)
1499: (void)printf("WAIT_MYPGRP");
1500: else
1.92 guenther 1501: pdecint(pid); /* ppgid */
1.1 deraadt 1502: }
1.83 guenther 1503:
1504: static void
1505: signame(int sig)
1506: {
1507: if (sig > 0 && sig < NSIG)
1508: (void)printf("SIG%s", sys_signame[sig]);
1509: else
1510: (void)printf("SIG %d", sig);
1511: }
1512:
1.84 guenther 1513: void
1.83 guenther 1514: sigset(int ss)
1515: {
1516: int or = 0;
1517: int cnt = 0;
1518: int i;
1519:
1520: for (i = 1; i < NSIG; i++)
1521: if (sigismember(&ss, i))
1522: cnt++;
1523: if (cnt > (NSIG-1)/2) {
1524: ss = ~ss;
1525: putchar('~');
1526: }
1527:
1528: if (ss == 0) {
1529: (void)printf("0<>");
1530: return;
1531: }
1532:
1533: printf("%#x<", ss);
1534: for (i = 1; i < NSIG; i++)
1535: if (sigismember(&ss, i)) {
1536: if (or) putchar('|'); else or=1;
1537: signame(i);
1538: }
1539: printf(">");
1540: }
1541:
1542: static void
1543: semctlname(int cmd)
1544: {
1545: switch (cmd) {
1546: case GETNCNT:
1547: (void)printf("GETNCNT");
1548: break;
1549: case GETPID:
1550: (void)printf("GETPID");
1551: break;
1552: case GETVAL:
1553: (void)printf("GETVAL");
1554: break;
1555: case GETALL:
1556: (void)printf("GETALL");
1557: break;
1558: case GETZCNT:
1559: (void)printf("GETZCNT");
1560: break;
1561: case SETVAL:
1562: (void)printf("SETVAL");
1563: break;
1564: case SETALL:
1565: (void)printf("SETALL");
1566: break;
1567: case IPC_RMID:
1568: (void)printf("IPC_RMID");
1569: break;
1570: case IPC_SET:
1571: (void)printf("IPC_SET");
1572: break;
1573: case IPC_STAT:
1574: (void)printf("IPC_STAT");
1575: break;
1576: default: /* Should not reach */
1.92 guenther 1577: (void)printf("<invalid=%d>", cmd);
1.83 guenther 1578: }
1579: }
1580:
1581: static void
1.88 guenther 1582: shmctlname(int cmd)
1583: {
1.83 guenther 1584: switch (cmd) {
1585: case IPC_RMID:
1586: (void)printf("IPC_RMID");
1587: break;
1588: case IPC_SET:
1589: (void)printf("IPC_SET");
1590: break;
1591: case IPC_STAT:
1592: (void)printf("IPC_STAT");
1593: break;
1594: default: /* Should not reach */
1.92 guenther 1595: (void)printf("<invalid=%d>", cmd);
1.83 guenther 1596: }
1597: }
1598:
1599:
1600: static void
1.88 guenther 1601: semgetname(int flag)
1602: {
1.83 guenther 1603: int or = 0;
1604: if_print_or(flag, IPC_CREAT, or);
1605: if_print_or(flag, IPC_EXCL, or);
1606: if_print_or(flag, SEM_R, or);
1607: if_print_or(flag, SEM_A, or);
1608: if_print_or(flag, (SEM_R>>3), or);
1609: if_print_or(flag, (SEM_A>>3), or);
1610: if_print_or(flag, (SEM_R>>6), or);
1611: if_print_or(flag, (SEM_A>>6), or);
1.92 guenther 1612:
1613: if (flag & ~(IPC_CREAT|IPC_EXCL|SEM_R|SEM_A|((SEM_R|SEM_A)>>3)|
1614: ((SEM_R|SEM_A)>>6)))
1615: printf("<invalid=%#x>", flag);
1.83 guenther 1616: }
1617:
1618:
1619: /*
1.92 guenther 1620: * Only used by SYS_open and SYS_openat. Unless O_CREAT is set in flags, the
1.83 guenther 1621: * mode argument is unused (and often bogus and misleading).
1622: */
1623: static void
1.92 guenther 1624: flagsandmodename(int mode)
1.88 guenther 1625: {
1.92 guenther 1626: openflagsname(arg1);
1627: if ((arg1 & O_CREAT) == O_CREAT) {
1.83 guenther 1628: (void)putchar(',');
1.92 guenther 1629: modename(mode);
1630: } else if (!fancy)
1631: (void)printf(",<unused>%#o", mode);
1.83 guenther 1632: }
1633:
1634: static void
1635: clockname(int clockid)
1636: {
1637: clocktypename(__CLOCK_TYPE(clockid));
1638: if (__CLOCK_PTID(clockid) != 0)
1639: printf("(%d)", __CLOCK_PTID(clockid));
1640: }
1641:
1642: /*
1643: * [g|s]etsockopt's level argument can either be SOL_SOCKET or a value
1.100 guenther 1644: * referring to a line in /etc/protocols.
1.83 guenther 1645: */
1646: static void
1.100 guenther 1647: sockoptlevelname(int optname)
1.83 guenther 1648: {
1.100 guenther 1649: struct protoent *pe;
1650:
1651: if (arg1 == SOL_SOCKET) {
1652: (void)printf("SOL_SOCKET,");
1653: sockoptname(optname);
1654: } else {
1655: pe = getprotobynumber(arg1);
1656: (void)printf("%u<%s>,%d", arg1,
1657: pe != NULL ? pe->p_name : "unknown", optname);
1658: }
1.83 guenther 1659: }
1660:
1.88 guenther 1661: static void
1662: ktraceopname(int ops)
1663: {
1664: int invalid = 0;
1665:
1666: printf("%#x<", ops);
1667: switch (KTROP(ops)) {
1668: case KTROP_SET:
1669: printf("KTROP_SET");
1670: break;
1671: case KTROP_CLEAR:
1672: printf("KTROP_CLEAR");
1673: break;
1674: case KTROP_CLEARFILE:
1675: printf("KTROP_CLEARFILE");
1676: break;
1677: default:
1678: printf("KTROP(%d)", KTROP(ops));
1679: invalid = 1;
1680: break;
1681: }
1.92 guenther 1682: if (ops & KTRFLAG_DESCEND) printf("|KTRFLAG_DESCEND");
1.88 guenther 1683: printf(">");
1684: if (invalid || (ops & ~(KTROP((unsigned)-1) | KTRFLAG_DESCEND)))
1.92 guenther 1685: (void)printf("<invalid>%d", ops);
1.88 guenther 1686: }