Annotation of src/usr.bin/kdump/kdump.c, Revision 1.129
1.129 ! guenther 1: /* $OpenBSD: kdump.c,v 1.128 2016/06/02 22:47:13 tedu 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:
1.115 deraadt 211: if (pledge("stdio rpath getpw", NULL) == -1)
1.113 deraadt 212: err(1, "pledge");
1.1 deraadt 213:
1.37 tedu 214: m = malloc(size = 1025);
1.1 deraadt 215: if (m == NULL)
1.37 tedu 216: err(1, NULL);
1.1 deraadt 217: if (!freopen(tracefile, "r", stdin))
218: err(1, "%s", tracefile);
1.112 deraadt 219:
1.67 mikeb 220: if (fread_tail(&ktr_header, sizeof(struct ktr_header), 1) == 0 ||
221: ktr_header.ktr_type != htobe32(KTR_START))
222: errx(1, "%s: not a dump", tracefile);
1.1 deraadt 223: while (fread_tail(&ktr_header, sizeof(struct ktr_header), 1)) {
1.17 deraadt 224: silent = 0;
1.85 guenther 225: if (pid_opt != -1 && pid_opt != ktr_header.ktr_pid)
1.17 deraadt 226: silent = 1;
227: if (silent == 0 && trpoints & (1<<ktr_header.ktr_type))
1.1 deraadt 228: dumpheader(&ktr_header);
1.37 tedu 229: ktrlen = ktr_header.ktr_len;
1.1 deraadt 230: if (ktrlen > size) {
1.23 tedu 231: void *newm;
232:
1.64 guenther 233: if (ktrlen == SIZE_MAX)
234: errx(1, "data too long");
1.23 tedu 235: newm = realloc(m, ktrlen+1);
236: if (newm == NULL)
1.66 deraadt 237: err(1, "realloc");
1.23 tedu 238: m = newm;
1.1 deraadt 239: size = ktrlen;
240: }
241: if (ktrlen && fread_tail(m, ktrlen, 1) == 0)
242: errx(1, "data too short");
1.17 deraadt 243: if (silent)
244: continue;
1.1 deraadt 245: if ((trpoints & (1<<ktr_header.ktr_type)) == 0)
246: continue;
247: switch (ktr_header.ktr_type) {
248: case KTR_SYSCALL:
1.93 jsg 249: ktrsyscall((struct ktr_syscall *)m, ktrlen);
1.1 deraadt 250: break;
251: case KTR_SYSRET:
1.103 guenther 252: ktrsysret((struct ktr_sysret *)m, ktrlen);
1.1 deraadt 253: break;
254: case KTR_NAMEI:
255: ktrnamei(m, ktrlen);
256: break;
257: case KTR_GENIO:
258: ktrgenio((struct ktr_genio *)m, ktrlen);
259: break;
260: case KTR_PSIG:
261: ktrpsig((struct ktr_psig *)m);
262: break;
1.55 otto 263: case KTR_STRUCT:
264: ktrstruct(m, ktrlen);
265: break;
1.81 miod 266: case KTR_USER:
267: ktruser(m, ktrlen);
268: break;
1.106 guenther 269: case KTR_EXECARGS:
270: case KTR_EXECENV:
271: ktrexec(m, ktrlen);
272: break;
1.117 deraadt 273: case KTR_PLEDGE:
274: ktrpledge((struct ktr_pledge *)m, ktrlen);
275: break;
1.123 guenther 276: default:
277: printf("\n");
278: break;
1.1 deraadt 279: }
280: if (tail)
281: (void)fflush(stdout);
282: }
1.12 espie 283: exit(0);
1.1 deraadt 284: }
285:
1.12 espie 286: static int
1.37 tedu 287: fread_tail(void *buf, size_t size, size_t num)
1.1 deraadt 288: {
289: int i;
290:
291: while ((i = fread(buf, size, num, stdin)) == 0 && tail) {
292: (void)sleep(1);
293: clearerr(stdin);
294: }
295: return (i);
296: }
297:
1.12 espie 298: static void
1.17 deraadt 299: dumpheader(struct ktr_header *kth)
1.1 deraadt 300: {
1.67 mikeb 301: static struct timespec prevtime;
1.1 deraadt 302: char unknown[64], *type;
1.67 mikeb 303: struct timespec temp;
1.1 deraadt 304:
305: switch (kth->ktr_type) {
306: case KTR_SYSCALL:
307: type = "CALL";
308: break;
309: case KTR_SYSRET:
310: type = "RET ";
311: break;
312: case KTR_NAMEI:
313: type = "NAMI";
314: break;
315: case KTR_GENIO:
316: type = "GIO ";
317: break;
318: case KTR_PSIG:
319: type = "PSIG";
320: break;
1.55 otto 321: case KTR_STRUCT:
322: type = "STRU";
323: break;
1.81 miod 324: case KTR_USER:
325: type = "USER";
326: break;
1.106 guenther 327: case KTR_EXECARGS:
328: type = "ARGS";
329: break;
330: case KTR_EXECENV:
331: type = "ENV ";
332: break;
1.117 deraadt 333: case KTR_PLEDGE:
334: type = "PLDG";
335: break;
1.1 deraadt 336: default:
1.123 guenther 337: /* htobe32() not guaranteed to work as case label */
338: if (kth->ktr_type == htobe32(KTR_START)) {
339: type = "STRT";
340: break;
341: }
1.122 guenther 342: (void)snprintf(unknown, sizeof unknown, "UNKNOWN(%u)",
1.17 deraadt 343: kth->ktr_type);
1.1 deraadt 344: type = unknown;
345: }
346:
1.111 guenther 347: basecol = printf("%6ld", (long)kth->ktr_pid);
1.67 mikeb 348: if (needtid)
1.111 guenther 349: basecol += printf("/%-7ld", (long)kth->ktr_tid);
350: basecol += printf(" %-8.*s ", MAXCOMLEN, kth->ktr_comm);
1.1 deraadt 351: if (timestamp) {
1.128 tedu 352: if (timestamp == 3) {
353: if (prevtime.tv_sec == 0)
354: prevtime = kth->ktr_time;
355: timespecsub(&kth->ktr_time, &prevtime, &temp);
356: } else if (timestamp == 2) {
1.67 mikeb 357: timespecsub(&kth->ktr_time, &prevtime, &temp);
1.1 deraadt 358: prevtime = kth->ktr_time;
359: } else
360: temp = kth->ktr_time;
1.111 guenther 361: basecol += printf("%lld.%06ld ", (long long)temp.tv_sec,
1.79 deraadt 362: temp.tv_nsec / 1000);
1.1 deraadt 363: }
1.111 guenther 364: basecol += printf("%s ", type);
1.1 deraadt 365: }
366:
1.92 guenther 367: /*
368: * Base Formatters
369: */
370:
371: /* some syscalls have padding that shouldn't be shown */
372: static int
373: pad(long arg)
374: {
375: /* nothing printed */
376: return (1);
377: }
378:
379: /* a formatter that just saves the argument for the next formatter */
380: int arg1;
381: static int
382: pass_two(long arg)
383: {
384: arg1 = (int)arg;
385:
386: /* nothing printed */
387: return (1);
388: }
389:
390: static int
391: pdeclong(long arg)
392: {
393: (void)printf("%ld", arg);
394: return (0);
395: }
396:
397: static int
398: pdeculong(long arg)
1.2 deraadt 399: {
1.92 guenther 400: (void)printf("%lu", arg);
401: return (0);
402: }
1.2 deraadt 403:
1.92 guenther 404: static int
405: phexlong(long arg)
406: {
407: (void)printf("%#lx", arg);
408: return (0);
409: }
1.2 deraadt 410:
1.92 guenther 411: static int
412: pnonfancy(long arg)
413: {
414: if (decimal)
415: (void)printf("%ld", arg);
1.2 deraadt 416: else
1.92 guenther 417: (void)printf("%#lx", arg);
418: return (0);
1.2 deraadt 419: }
1.1 deraadt 420:
1.52 otto 421: static void
1.92 guenther 422: pdecint(int arg)
1.52 otto 423: {
1.92 guenther 424: (void)printf("%d", arg);
1.52 otto 425: }
426:
427: static void
1.92 guenther 428: pdecuint(int arg)
1.52 otto 429: {
1.92 guenther 430: (void)printf("%u", arg);
1.52 otto 431: }
432:
433: static void
1.92 guenther 434: phexint(int arg)
1.52 otto 435: {
1.92 guenther 436: (void)printf("%#x", arg);
1.52 otto 437: }
1.92 guenther 438:
1.52 otto 439: static void
1.92 guenther 440: poctint(int arg)
441: {
442: (void)printf("%#o", arg);
443: }
444:
445:
446: #ifdef __LP64__
447:
448: /* on LP64, long long arguments are the same as long arguments */
449: #define Phexlonglong Phexlong
450: #define phexll NULL /* not actually used on LP64 */
451:
452: #else /* __LP64__ */
453:
454: /* on ILP32, long long arguments are passed as two 32bit args */
455: #define Phexlonglong PASS_LONGLONG, Phexll
456:
457: static int
458: phexll(long arg2)
1.52 otto 459: {
1.92 guenther 460: long long val;
461:
462: #if _BYTE_ORDER == _LITTLE_ENDIAN
463: val = ((long long)arg2 << 32) | ((long long)arg1 & 0xffffffff);
464: #else
465: val = ((long long)arg1 << 32) | ((long long)arg2 & 0xffffffff);
466: #endif
467:
468: if (fancy || !decimal)
469: (void)printf("%#llx", val);
470: else
1.52 otto 471: (void)printf("%lld", val);
1.92 guenther 472: return (0);
1.52 otto 473: }
1.92 guenther 474:
475: #endif /* __LP64__ */
476:
477: static int (*long_formatters[])(long) = {
478: NULL,
479: pdeclong,
480: pdeculong,
481: phexlong,
482: pass_two,
483: pass_two,
484: phexll,
485: pad,
486: pnonfancy,
487: };
488:
489: static void (*formatters[])(int) = {
490: NULL,
491: pdecint,
492: phexint,
493: poctint,
494: pdecuint,
495: ioctldecode,
496: ptracedecode,
497: atfd,
498: polltimeout,
499: wait4pid,
500: signame,
501: semctlname,
502: shmctlname,
503: semgetname,
504: flagsandmodename,
505: clockname,
506: sockoptlevelname,
507: ktraceopname,
508: fcntlcmdname,
509: modename,
510: flagsname,
511: openflagsname,
512: atflagsname,
513: accessmodename,
514: mmapprotname,
515: mmapflagsname,
516: wait4optname,
517: sendrecvflagsname,
518: mountflagsname,
519: rebootoptname,
520: flockname,
521: sockoptname,
522: sockipprotoname,
523: socktypename,
524: sockflagsname,
525: sockfamilyname,
526: mlockallname,
527: shmatname,
528: whencename,
529: pathconfname,
530: rlimitname,
531: shutdownhowname,
532: prioname,
533: madvisebehavname,
534: msyncflagsname,
535: clocktypename,
536: rusagewho,
537: sigactionflagname,
538: sigprocmaskhowname,
539: minheritname,
540: quotactlname,
541: sigill_name,
542: sigtrap_name,
543: sigemt_name,
544: sigfpe_name,
545: sigbus_name,
546: sigsegv_name,
547: sigchld_name,
548: ktracefacname,
549: itimername,
550: sigset,
1.94 guenther 551: uidname,
552: gidname,
1.125 guenther 553: syslogflagname,
1.92 guenther 554: };
555:
556: enum {
557: /* the end of the (known) arguments is recognized by the zero fill */
558: end_of_args = 0,
559:
560: /* negative are the negative of the index into long_formatters[] */
561: Pdeclong = -1,
562: Pdeculong = -2,
563: Phexlong = -3,
564: PASS_TWO = -4,
565:
566: /* the remaining long formatters still get called when non-fancy (-n option) */
567: #define FMT_IS_NONFANCY(x) ((x) <= PASS_LONGLONG)
568: PASS_LONGLONG = -5,
569: Phexll = -6,
570: PAD = -7,
571: Pnonfancy = -8,
572:
573: /* positive values are the index into formatters[] */
574: Pdecint = 1,
575: Phexint,
576: Poctint,
577: Pdecuint,
578: Ioctldecode,
579: Ptracedecode,
580: Atfd,
581: Polltimeout,
582: Wait4pid,
583: Signame,
584: Semctlname,
585: Shmctlname,
586: Semgetname,
587: Flagsandmodename,
588: Clockname,
589: Sockoptlevelname,
590: Ktraceopname,
591: Fcntlcmdname,
592: Modename,
593: Flagsname,
594: Openflagsname,
595: Atflagsname,
596: Accessmodename,
597: Mmapprotname,
598: Mmapflagsname,
599: Wait4optname,
600: Sendrecvflagsname,
601: Mountflagsname,
602: Rebootoptname,
603: Flockname,
604: Sockoptname,
605: Sockipprotoname,
606: Socktypename,
607: Sockflagsname,
608: Sockfamilyname,
609: Mlockallname,
610: Shmatname,
611: Whencename,
612: Pathconfname,
613: Rlimitname,
614: Shutdownhowname,
615: Prioname,
616: Madvisebehavname,
617: Msyncflagsname,
618: Clocktypename,
619: Rusagewho,
620: Sigactionflagname,
621: Sigprocmaskhowname,
622: Minheritname,
623: Quotactlname,
624: Sigill_name,
625: Sigtrap_name,
626: Sigemt_name,
627: Sigfpe_name,
628: Sigbus_name,
629: Sigsegv_name,
630: Sigchld_name,
631: Ktracefacname,
632: Itimername,
633: Sigset,
1.94 guenther 634: Uidname,
635: Gidname,
1.125 guenther 636: Syslogflagname,
1.92 guenther 637: };
638:
639: #define Pptr Phexlong
640: #define Psize Pdeculong /* size_t for small buffers */
641: #define Pbigsize Phexlong /* size_t for I/O buffers */
642: #define Pcount Pdecint /* int for a count of something */
643: #define Pfd Pdecint
644: #define Ppath Phexlong
645: #define Pdev_t Pdecint
646: #define Ppid_t Pdecint
647: #define Ppgid Pdecint /* pid or negative pgid */
648: #define Poff_t Phexlonglong
649: #define Pmsqid Pdecint
650: #define Pshmid Pdecint
651: #define Psemid Pdecint
652: #define Pkey_t Pdecint
653: #define Pucount Pdecuint
654: #define Chflagsname Phexlong /* to be added */
655: #define Sockprotoname Phexlong /* to be added */
656: #define Swapctlname Phexlong /* to be added */
657: #define Msgflgname Phexlong /* to be added */
658:
659:
660: typedef signed char formatter;
661: static const formatter scargs[][8] = {
662: [SYS_exit] = { Pdecint },
663: [SYS_read] = { Pfd, Pptr, Pbigsize },
664: [SYS_write] = { Pfd, Pptr, Pbigsize },
665: [SYS_open] = { Ppath, PASS_TWO, Flagsandmodename },
666: [SYS_close] = { Pfd },
667: [SYS_getentropy] = { Pptr, Psize },
668: [SYS___tfork] = { Pptr, Psize },
669: [SYS_link] = { Ppath, Ppath },
670: [SYS_unlink] = { Ppath },
671: [SYS_wait4] = { Wait4pid, Pptr, Wait4optname },
672: [SYS_chdir] = { Ppath },
673: [SYS_fchdir] = { Pfd },
674: [SYS_mknod] = { Ppath, Modename, Pdev_t },
675: [SYS_chmod] = { Ppath, Modename },
1.94 guenther 676: [SYS_chown] = { Ppath, Uidname, Gidname },
1.92 guenther 677: [SYS_break] = { Pptr },
678: [SYS_getrusage] = { Rusagewho, Pptr },
679: [SYS_mount] = { Pptr, Ppath, Mountflagsname, Pptr },
680: [SYS_unmount] = { Ppath, Mountflagsname },
1.94 guenther 681: [SYS_setuid] = { Uidname },
1.92 guenther 682: [SYS_ptrace] = { Ptracedecode, Ppid_t, Pptr, Pdecint },
683: [SYS_recvmsg] = { Pfd, Pptr, Sendrecvflagsname },
684: [SYS_sendmsg] = { Pfd, Pptr, Sendrecvflagsname },
685: [SYS_recvfrom] = { Pfd, Pptr, Pbigsize, Sendrecvflagsname },
686: [SYS_accept] = { Pfd, Pptr, Pptr },
687: [SYS_getpeername] = { Pfd, Pptr, Pptr },
688: [SYS_getsockname] = { Pfd, Pptr, Pptr },
689: [SYS_access] = { Ppath, Accessmodename },
690: [SYS_chflags] = { Ppath, Chflagsname },
691: [SYS_fchflags] = { Pfd, Chflagsname },
692: [SYS_kill] = { Ppgid, Signame },
693: [SYS_stat] = { Ppath, Pptr },
694: [SYS_lstat] = { Ppath, Pptr },
695: [SYS_dup] = { Pfd },
696: [SYS_fstatat] = { Atfd, Ppath, Pptr, Atflagsname },
697: [SYS_profil] = { Pptr, Pbigsize, Pbigsize, Pdecuint },
698: [SYS_ktrace] = { Ppath, Ktraceopname, Ktracefacname, Ppgid },
699: [SYS_sigaction] = { Signame, Pptr, Pptr },
700: [SYS_sigprocmask] = { Sigprocmaskhowname, Sigset },
1.127 guenther 701: [SYS_getlogin_r] = { Pptr, Psize },
1.92 guenther 702: [SYS_setlogin] = { Pptr },
703: [SYS_acct] = { Ppath },
704: [SYS_fstat] = { Pfd, Pptr },
705: [SYS_ioctl] = { Pfd, Ioctldecode, Pptr },
706: [SYS_reboot] = { Rebootoptname },
707: [SYS_revoke] = { Ppath },
708: [SYS_symlink] = { Ppath, Ppath },
709: [SYS_readlink] = { Ppath, Pptr, Psize },
710: [SYS_execve] = { Ppath, Pptr, Pptr },
711: [SYS_umask] = { Modename },
712: [SYS_chroot] = { Ppath },
713: [SYS_getfsstat] = { Pptr, Pbigsize, Mountflagsname },
714: [SYS_statfs] = { Ppath, Pptr },
715: [SYS_fstatfs] = { Pfd, Pptr },
716: [SYS_fhstatfs] = { Pptr, Pptr },
717: [SYS_gettimeofday] = { Pptr, Pptr },
718: [SYS_settimeofday] = { Pptr, Pptr },
719: [SYS_setitimer] = { Itimername, Pptr, Pptr },
720: [SYS_getitimer] = { Itimername, Pptr },
721: [SYS_select] = { Pcount, Pptr, Pptr, Pptr, Pptr },
722: [SYS_kevent] = { Pfd, Pptr, Pcount, Pptr, Pcount, Pptr },
723: [SYS_munmap] = { Pptr, Pbigsize },
724: [SYS_mprotect] = { Pptr, Pbigsize, Mmapprotname },
725: [SYS_madvise] = { Pptr, Pbigsize, Madvisebehavname },
726: [SYS_utimes] = { Ppath, Pptr },
727: [SYS_futimes] = { Pfd, Pptr },
1.124 guenther 728: [SYS_kbind] = { Pptr, Psize, Phexlonglong },
1.92 guenther 729: [SYS_mincore] = { Pptr, Pbigsize, Pptr },
730: [SYS_getgroups] = { Pcount, Pptr },
731: [SYS_setgroups] = { Pcount, Pptr },
732: [SYS_setpgid] = { Ppid_t, Ppid_t },
1.125 guenther 733: [SYS_sendsyslog] = { Pptr, Psize, Syslogflagname },
1.92 guenther 734: [SYS_utimensat] = { Atfd, Ppath, Pptr, Atflagsname },
735: [SYS_futimens] = { Pfd, Pptr },
736: [SYS_clock_gettime] = { Clockname, Pptr },
737: [SYS_clock_settime] = { Clockname, Pptr },
738: [SYS_clock_getres] = { Clockname, Pptr },
739: [SYS_dup2] = { Pfd, Pfd },
740: [SYS_nanosleep] = { Pptr, Pptr },
741: [SYS_fcntl] = { Pfd, PASS_TWO, Fcntlcmdname },
742: [SYS_accept4] = { Pfd, Pptr, Pptr, Sockflagsname },
743: [SYS___thrsleep] = { Pptr, Clockname, Pptr, Pptr, Pptr },
744: [SYS_fsync] = { Pfd },
745: [SYS_setpriority] = { Prioname, Ppid_t, Pdecint },
1.99 guenther 746: [SYS_socket] = { Sockfamilyname, Socktypename, Sockprotoname },
1.92 guenther 747: [SYS_connect] = { Pfd, Pptr, Pucount },
748: [SYS_getdents] = { Pfd, Pptr, Pbigsize },
749: [SYS_getpriority] = { Prioname, Ppid_t },
750: [SYS_pipe2] = { Pptr, Flagsname },
751: [SYS_dup3] = { Pfd, Pfd, Flagsname },
752: [SYS_sigreturn] = { Pptr },
753: [SYS_bind] = { Pfd, Pptr, Pucount },
754: [SYS_setsockopt] = { Pfd, PASS_TWO, Sockoptlevelname, Pptr, Pdecint },
755: [SYS_listen] = { Pfd, Pdecint },
756: [SYS_chflagsat] = { Atfd, Ppath, Chflagsname, Atflagsname },
757: [SYS_ppoll] = { Pptr, Pucount, Pptr, Pptr },
758: [SYS_pselect] = { Pcount, Pptr, Pptr, Pptr, Pptr, Pptr },
759: [SYS_sigsuspend] = { Sigset },
760: [SYS_getsockopt] = { Pfd, PASS_TWO, Sockoptlevelname, Pptr, Pptr },
1.120 guenther 761: [SYS_thrkill] = { Ppid_t, Signame, Pptr },
1.92 guenther 762: [SYS_readv] = { Pfd, Pptr, Pcount },
763: [SYS_writev] = { Pfd, Pptr, Pcount },
1.94 guenther 764: [SYS_fchown] = { Pfd, Uidname, Gidname },
1.92 guenther 765: [SYS_fchmod] = { Pfd, Modename },
1.94 guenther 766: [SYS_setreuid] = { Uidname, Uidname },
767: [SYS_setregid] = { Gidname, Gidname },
1.92 guenther 768: [SYS_rename] = { Ppath, Ppath },
769: [SYS_flock] = { Pfd, Flockname },
770: [SYS_mkfifo] = { Ppath, Modename },
771: [SYS_sendto] = { Pfd, Pptr, Pbigsize, Sendrecvflagsname },
772: [SYS_shutdown] = { Pfd, Shutdownhowname },
1.99 guenther 773: [SYS_socketpair] = { Sockfamilyname, Socktypename, Sockprotoname, Pptr },
1.92 guenther 774: [SYS_mkdir] = { Ppath, Modename },
775: [SYS_rmdir] = { Ppath },
776: [SYS_adjtime] = { Pptr, Pptr },
1.94 guenther 777: [SYS_quotactl] = { Ppath, Quotactlname, Uidname, Pptr },
1.92 guenther 778: [SYS_nfssvc] = { Phexint, Pptr },
779: [SYS_getfh] = { Ppath, Pptr },
780: [SYS_sysarch] = { Pdecint, Pptr },
781: [SYS_pread] = { Pfd, Pptr, Pbigsize, PAD, Poff_t },
782: [SYS_pwrite] = { Pfd, Pptr, Pbigsize, PAD, Poff_t },
1.94 guenther 783: [SYS_setgid] = { Gidname },
784: [SYS_setegid] = { Gidname },
785: [SYS_seteuid] = { Uidname },
1.92 guenther 786: [SYS_pathconf] = { Ppath, Pathconfname },
787: [SYS_fpathconf] = { Pfd, Pathconfname },
788: [SYS_swapctl] = { Swapctlname, Pptr, Pdecint },
789: [SYS_getrlimit] = { Rlimitname, Pptr },
790: [SYS_setrlimit] = { Rlimitname, Pptr },
791: [SYS_mmap] = { Pptr, Pbigsize, Mmapprotname, Mmapflagsname, Pfd, PAD, Poff_t },
792: [SYS_lseek] = { Pfd, PAD, Poff_t, Whencename },
793: [SYS_truncate] = { Ppath, PAD, Poff_t },
794: [SYS_ftruncate] = { Pfd, PAD, Poff_t },
1.122 guenther 795: [SYS_sysctl] = { Pptr, Pcount, Pptr, Pptr, Pptr, Psize },
1.92 guenther 796: [SYS_mlock] = { Pptr, Pbigsize },
797: [SYS_munlock] = { Pptr, Pbigsize },
798: [SYS_getpgid] = { Ppid_t },
799: [SYS_utrace] = { Pptr, Pptr, Psize },
800: [SYS_semget] = { Pkey_t, Pcount, Semgetname },
801: [SYS_msgget] = { Pkey_t, Msgflgname },
802: [SYS_msgsnd] = { Pmsqid, Pptr, Psize, Msgflgname },
803: [SYS_msgrcv] = { Pmsqid, Pptr, Psize, Pdeclong, Msgflgname },
804: [SYS_shmat] = { Pshmid, Pptr, Shmatname },
805: [SYS_shmdt] = { Pptr },
806: [SYS_minherit] = { Pptr, Pbigsize, Minheritname },
807: [SYS_poll] = { Pptr, Pucount, Polltimeout },
1.94 guenther 808: [SYS_lchown] = { Ppath, Uidname, Gidname },
1.92 guenther 809: [SYS_getsid] = { Ppid_t },
810: [SYS_msync] = { Pptr, Pbigsize, Msyncflagsname },
811: [SYS_pipe] = { Pptr },
812: [SYS_fhopen] = { Pptr, Openflagsname },
813: [SYS_preadv] = { Pfd, Pptr, Pcount, PAD, Poff_t },
814: [SYS_pwritev] = { Pfd, Pptr, Pcount, PAD, Poff_t },
815: [SYS_mlockall] = { Mlockallname },
816: [SYS_getresuid] = { Pptr, Pptr, Pptr },
1.94 guenther 817: [SYS_setresuid] = { Uidname, Uidname, Uidname },
1.92 guenther 818: [SYS_getresgid] = { Pptr, Pptr, Pptr },
1.94 guenther 819: [SYS_setresgid] = { Gidname, Gidname, Gidname },
1.92 guenther 820: [SYS_mquery] = { Pptr, Pbigsize, Mmapprotname, Mmapflagsname, Pfd, PAD, Poff_t },
821: [SYS_closefrom] = { Pfd },
822: [SYS_sigaltstack] = { Pptr, Pptr },
823: [SYS_shmget] = { Pkey_t, Pbigsize, Semgetname },
824: [SYS_semop] = { Psemid, Pptr, Psize },
825: [SYS_fhstat] = { Pptr, Pptr },
826: [SYS___semctl] = { Psemid, Pcount, Semctlname, Pptr },
827: [SYS_shmctl] = { Pshmid, Shmctlname, Pptr },
828: [SYS_msgctl] = { Pmsqid, Shmctlname, Pptr },
829: [SYS___thrwakeup] = { Pptr, Pcount },
830: [SYS___threxit] = { Pptr },
831: [SYS___thrsigdivert] = { Sigset, Pptr, Pptr },
832: [SYS___getcwd] = { Pptr, Psize },
833: [SYS_adjfreq] = { Pptr, Pptr },
834: [SYS_setrtable] = { Pdecint },
835: [SYS_faccessat] = { Atfd, Ppath, Accessmodename, Atflagsname },
836: [SYS_fchmodat] = { Atfd, Ppath, Modename, Atflagsname },
1.94 guenther 837: [SYS_fchownat] = { Atfd, Ppath, Uidname, Gidname, Atflagsname },
1.92 guenther 838: [SYS_linkat] = { Atfd, Ppath, Atfd, Ppath, Atflagsname },
839: [SYS_mkdirat] = { Atfd, Ppath, Modename },
840: [SYS_mkfifoat] = { Atfd, Ppath, Modename },
841: [SYS_mknodat] = { Atfd, Ppath, Modename, Pdev_t },
842: [SYS_openat] = { Atfd, Ppath, PASS_TWO, Flagsandmodename },
843: [SYS_readlinkat] = { Atfd, Ppath, Pptr, Psize },
844: [SYS_renameat] = { Atfd, Ppath, Atfd, Ppath },
1.98 guenther 845: [SYS_symlinkat] = { Ppath, Atfd, Ppath },
1.92 guenther 846: [SYS_unlinkat] = { Atfd, Ppath, Atflagsname },
847: [SYS___set_tcb] = { Pptr },
848: };
849:
1.51 otto 850:
1.12 espie 851: static void
1.93 jsg 852: ktrsyscall(struct ktr_syscall *ktr, size_t ktrlen)
1.1 deraadt 853: {
1.92 guenther 854: register_t *ap;
855: int narg;
856: char sep;
857:
1.93 jsg 858: if (ktr->ktr_argsize > ktrlen)
859: errx(1, "syscall argument length %d > ktr header length %zu",
860: ktr->ktr_argsize, ktrlen);
861:
1.52 otto 862: narg = ktr->ktr_argsize / sizeof(register_t);
863: sep = '\0';
1.1 deraadt 864:
1.122 guenther 865: if (ktr->ktr_code >= SYS_MAXSYSCALL || ktr->ktr_code < 0)
1.1 deraadt 866: (void)printf("[%d]", ktr->ktr_code);
867: else
1.122 guenther 868: (void)printf("%s", syscallnames[ktr->ktr_code]);
1.1 deraadt 869: ap = (register_t *)((char *)ktr + sizeof(struct ktr_syscall));
1.27 mickey 870: (void)putchar('(');
1.52 otto 871:
1.122 guenther 872: if (ktr->ktr_code == SYS_sysctl && fancy) {
1.62 otto 873: const char *s;
1.94 guenther 874: int n, i, *top;
1.52 otto 875:
876: n = ap[1];
877: if (n > CTL_MAXNAME)
878: n = CTL_MAXNAME;
1.93 jsg 879: if (n < 0)
880: errx(1, "invalid sysctl length %d", n);
1.94 guenther 881: if (n > 0) {
882: top = (int *)(ap + 6);
883: printf("%d", top[0]);
884: for (i = 1; i < n; i++)
885: printf(".%d", top[i]);
886: if ((s = kresolvsysctl(0, top)) != NULL) {
887: printf("<%s", s);
888: for (i = 1; i < n; i++) {
889: if ((s = kresolvsysctl(i, top)) != NULL)
890: printf(".%s", s);
891: else
892: printf(".%d", top[i]);
893: }
894: putchar('>');
895: }
1.1 deraadt 896: }
1.52 otto 897:
898: sep = ',';
899: ap += 2;
900: narg -= 2;
1.92 guenther 901: } else if (ktr->ktr_code < nitems(scargs)) {
902: const formatter *fmts = scargs[ktr->ktr_code];
903: int fmt;
1.52 otto 904:
1.92 guenther 905: while (narg && (fmt = *fmts) != 0) {
906: if (sep)
907: putchar(sep);
908: sep = ',';
909: if (!fancy && !FMT_IS_NONFANCY(fmt))
910: fmt = Pnonfancy;
911: if (fmt > 0)
912: formatters[fmt]((int)*ap);
913: else if (long_formatters[-fmt](*ap))
914: sep = '\0';
915: fmts++;
916: ap++;
917: narg--;
918: }
1.52 otto 919: }
920:
1.93 jsg 921: while (narg > 0) {
1.52 otto 922: if (sep)
923: putchar(sep);
924: if (decimal)
925: (void)printf("%ld", (long)*ap);
926: else
927: (void)printf("%#lx", (long)*ap);
928: sep = ',';
929: ap++;
930: narg--;
1.1 deraadt 931: }
1.27 mickey 932: (void)printf(")\n");
1.62 otto 933: }
934:
935: static struct ctlname topname[] = CTL_NAMES;
936: static struct ctlname kernname[] = CTL_KERN_NAMES;
937: static struct ctlname vmname[] = CTL_VM_NAMES;
938: static struct ctlname fsname[] = CTL_FS_NAMES;
939: static struct ctlname netname[] = CTL_NET_NAMES;
940: static struct ctlname hwname[] = CTL_HW_NAMES;
941: static struct ctlname debugname[CTL_DEBUG_MAXID];
942: static struct ctlname kernmallocname[] = CTL_KERN_MALLOC_NAMES;
943: static struct ctlname forkstatname[] = CTL_KERN_FORKSTAT_NAMES;
944: static struct ctlname nchstatsname[] = CTL_KERN_NCHSTATS_NAMES;
1.88 guenther 945: static struct ctlname kernprocname[] = {
1.64 guenther 946: { NULL },
947: { "all" },
948: { "pid" },
949: { "pgrp" },
950: { "session" },
951: { "tty" },
952: { "uid" },
953: { "ruid" },
1.77 guenther 954: { "kthread" },
1.64 guenther 955: };
1.62 otto 956: static struct ctlname ttysname[] = CTL_KERN_TTY_NAMES;
957: static struct ctlname semname[] = CTL_KERN_SEMINFO_NAMES;
958: static struct ctlname shmname[] = CTL_KERN_SHMINFO_NAMES;
959: static struct ctlname watchdogname[] = CTL_KERN_WATCHDOG_NAMES;
960: static struct ctlname tcname[] = CTL_KERN_TIMECOUNTER_NAMES;
961: #ifdef CTL_MACHDEP_NAMES
962: static struct ctlname machdepname[] = CTL_MACHDEP_NAMES;
963: #endif
964: static struct ctlname ddbname[] = CTL_DDB_NAMES;
965:
966: #ifndef nitems
967: #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
968: #endif
969:
970: #define SETNAME(name) do { names = (name); limit = nitems(name); } while (0)
971:
972: static const char *
1.94 guenther 973: kresolvsysctl(int depth, const int *top)
1.62 otto 974: {
975: struct ctlname *names;
976: size_t limit;
1.94 guenther 977: int idx = top[depth];
1.62 otto 978:
979: names = NULL;
980:
981: switch (depth) {
982: case 0:
983: SETNAME(topname);
984: break;
985: case 1:
986: switch (top[0]) {
987: case CTL_KERN:
988: SETNAME(kernname);
989: break;
990: case CTL_VM:
991: SETNAME(vmname);
992: break;
993: case CTL_FS:
994: SETNAME(fsname);
995: break;
996: case CTL_NET:
997: SETNAME(netname);
998: break;
999: case CTL_DEBUG:
1000: SETNAME(debugname);
1001: break;
1002: case CTL_HW:
1003: SETNAME(hwname);
1004: break;
1005: #ifdef CTL_MACHDEP_NAMES
1006: case CTL_MACHDEP:
1007: SETNAME(machdepname);
1008: break;
1009: #endif
1010: case CTL_DDB:
1011: SETNAME(ddbname);
1012: break;
1013: }
1014: break;
1015: case 2:
1016: switch (top[0]) {
1017: case CTL_KERN:
1018: switch (top[1]) {
1019: case KERN_MALLOCSTATS:
1020: SETNAME(kernmallocname);
1021: break;
1022: case KERN_FORKSTAT:
1023: SETNAME(forkstatname);
1024: break;
1025: case KERN_NCHSTATS:
1026: SETNAME(nchstatsname);
1027: break;
1028: case KERN_TTY:
1029: SETNAME(ttysname);
1030: break;
1031: case KERN_SEMINFO:
1032: SETNAME(semname);
1033: break;
1034: case KERN_SHMINFO:
1035: SETNAME(shmname);
1036: break;
1037: case KERN_WATCHDOG:
1038: SETNAME(watchdogname);
1039: break;
1.64 guenther 1040: case KERN_PROC:
1041: idx++; /* zero is valid at this level */
1042: SETNAME(kernprocname);
1043: break;
1.62 otto 1044: case KERN_TIMECOUNTER:
1045: SETNAME(tcname);
1046: break;
1047: }
1048: }
1049: break;
1050: }
1051: if (names != NULL && idx > 0 && idx < limit)
1052: return (names[idx].ctl_name);
1053: return (NULL);
1.1 deraadt 1054: }
1055:
1.12 espie 1056: static void
1.103 guenther 1057: ktrsysret(struct ktr_sysret *ktr, size_t ktrlen)
1.1 deraadt 1058: {
1.103 guenther 1059: register_t ret = 0;
1060: long long retll;
1.12 espie 1061: int error = ktr->ktr_error;
1062: int code = ktr->ktr_code;
1.1 deraadt 1063:
1.103 guenther 1064: if (ktrlen < sizeof(*ktr))
1065: errx(1, "sysret length %zu < ktr header length %zu",
1066: ktrlen, sizeof(*ktr));
1067: ktrlen -= sizeof(*ktr);
1068: if (error == 0) {
1069: if (ktrlen == sizeof(ret)) {
1070: memcpy(&ret, ktr+1, sizeof(ret));
1071: retll = ret;
1072: } else if (ktrlen == sizeof(retll))
1073: memcpy(&retll, ktr+1, sizeof(retll));
1074: else
1075: errx(1, "sysret bogus length %zu", ktrlen);
1076: }
1077:
1.122 guenther 1078: if (code >= SYS_MAXSYSCALL || code < 0)
1.1 deraadt 1079: (void)printf("[%d] ", code);
1.122 guenther 1080: else
1081: (void)printf("%s ", syscallnames[code]);
1.1 deraadt 1082:
1.127 guenther 1083: doerr:
1.1 deraadt 1084: if (error == 0) {
1085: if (fancy) {
1.122 guenther 1086: switch (code) {
1.103 guenther 1087: case SYS_lseek:
1088: (void)printf("%lld", retll);
1089: if (retll < 0 || retll > 9)
1090: (void)printf("/%#llx", retll);
1091: break;
1.64 guenther 1092: case SYS_sigprocmask:
1.73 guenther 1093: case SYS_sigpending:
1.64 guenther 1094: sigset(ret);
1095: break;
1096: case SYS___thrsigdivert:
1097: signame(ret);
1.94 guenther 1098: break;
1099: case SYS_getuid:
1100: case SYS_geteuid:
1101: uidname(ret);
1102: break;
1103: case SYS_getgid:
1104: case SYS_getegid:
1105: gidname(ret);
1.64 guenther 1106: break;
1.127 guenther 1107: /* syscalls that return errno values */
1108: case SYS_getlogin_r:
1109: case SYS___thrsleep:
1110: if ((error = ret) != 0)
1111: goto doerr;
1112: /* FALLTHROUGH */
1.64 guenther 1113: default:
1114: (void)printf("%ld", (long)ret);
1115: if (ret < 0 || ret > 9)
1116: (void)printf("/%#lx", (long)ret);
1117: }
1.1 deraadt 1118: } else {
1119: if (decimal)
1.103 guenther 1120: (void)printf("%lld", retll);
1.1 deraadt 1121: else
1.103 guenther 1122: (void)printf("%#llx", retll);
1.1 deraadt 1123: }
1124: } else if (error == ERESTART)
1125: (void)printf("RESTART");
1126: else if (error == EJUSTRETURN)
1127: (void)printf("JUSTRETURN");
1128: else {
1.127 guenther 1129: (void)printf("-1 errno %d", error);
1.1 deraadt 1130: if (fancy)
1.127 guenther 1131: (void)printf(" %s", strerror(error));
1.1 deraadt 1132: }
1133: (void)putchar('\n');
1134: }
1135:
1.12 espie 1136: static void
1.37 tedu 1137: ktrnamei(const char *cp, size_t len)
1.1 deraadt 1138: {
1.126 guenther 1139: showbufc(basecol, (unsigned char *)cp, len, VIS_DQ | VIS_TAB | VIS_NL);
1.1 deraadt 1140: }
1141:
1.111 guenther 1142: void
1.126 guenther 1143: showbufc(int col, unsigned char *dp, size_t datalen, int flags)
1.106 guenther 1144: {
1.126 guenther 1145: int width;
1146: unsigned char visbuf[5], *cp;
1.106 guenther 1147:
1.126 guenther 1148: flags |= VIS_CSTYLE;
1.106 guenther 1149: putchar('"');
1.111 guenther 1150: col++;
1.106 guenther 1151: for (; datalen > 0; datalen--, dp++) {
1.126 guenther 1152: (void)vis(visbuf, *dp, flags, *(dp+1));
1.106 guenther 1153: cp = visbuf;
1154:
1155: /*
1156: * Keep track of printables and
1157: * space chars (like fold(1)).
1158: */
1159: if (col == 0) {
1160: (void)putchar('\t');
1161: col = 8;
1162: }
1163: switch (*cp) {
1164: case '\n':
1165: col = 0;
1166: (void)putchar('\n');
1167: continue;
1168: case '\t':
1169: width = 8 - (col&07);
1170: break;
1171: default:
1172: width = strlen(cp);
1173: }
1174: if (col + width > (screenwidth-2)) {
1175: (void)printf("\\\n\t");
1176: col = 8;
1177: }
1178: col += width;
1179: do {
1180: (void)putchar(*cp++);
1181: } while (*cp);
1182: }
1183: if (col == 0)
1184: (void)printf(" ");
1185: (void)printf("\"\n");
1186: }
1187:
1188: static void
1.81 miod 1189: showbuf(unsigned char *dp, size_t datalen)
1.1 deraadt 1190: {
1.37 tedu 1191: int i, j;
1.126 guenther 1192: int col = 0, bpl;
1193: unsigned char c;
1.1 deraadt 1194:
1.31 tedu 1195: if (iohex == 1) {
1196: putchar('\t');
1197: col = 8;
1198: for (i = 0; i < datalen; i++) {
1.35 tedu 1199: printf("%02x", dp[i]);
1.31 tedu 1200: col += 3;
1201: if (i < datalen - 1) {
1202: if (col + 3 > screenwidth) {
1203: printf("\n\t");
1204: col = 8;
1205: } else
1206: putchar(' ');
1207: }
1208: }
1209: putchar('\n');
1210: return;
1211: }
1212: if (iohex == 2) {
1213: bpl = (screenwidth - 13)/4;
1214: if (bpl <= 0)
1215: bpl = 1;
1216: for (i = 0; i < datalen; i += bpl) {
1217: printf(" %04x: ", i);
1218: for (j = 0; j < bpl; j++) {
1219: if (i+j >= datalen)
1220: printf(" ");
1221: else
1.35 tedu 1222: printf("%02x ", dp[i+j]);
1.31 tedu 1223: }
1224: putchar(' ');
1225: for (j = 0; j < bpl; j++) {
1226: if (i+j >= datalen)
1227: break;
1228: c = dp[i+j];
1229: if (!isprint(c))
1230: c = '.';
1231: putchar(c);
1232: }
1233: putchar('\n');
1234: }
1235: return;
1236: }
1.111 guenther 1237:
1238: (void)printf(" ");
1.126 guenther 1239: showbufc(7, dp, datalen, 0);
1.1 deraadt 1240: }
1241:
1.12 espie 1242: static void
1.81 miod 1243: ktrgenio(struct ktr_genio *ktr, size_t len)
1244: {
1245: unsigned char *dp = (unsigned char *)ktr + sizeof(struct ktr_genio);
1.93 jsg 1246: size_t datalen;
1247:
1248: if (len < sizeof(struct ktr_genio))
1249: errx(1, "invalid ktr genio length %zu", len);
1250:
1251: datalen = len - sizeof(struct ktr_genio);
1.81 miod 1252:
1253: printf("fd %d %s %zu bytes\n", ktr->ktr_fd,
1254: ktr->ktr_rw == UIO_READ ? "read" : "wrote", datalen);
1255: if (maxdata == 0)
1256: return;
1257: if (datalen > maxdata)
1258: datalen = maxdata;
1259: if (iohex && !datalen)
1260: return;
1261: showbuf(dp, datalen);
1262: }
1263:
1264: static void
1.17 deraadt 1265: ktrpsig(struct ktr_psig *psig)
1.1 deraadt 1266: {
1.93 jsg 1267: signame(psig->signo);
1.96 bluhm 1268: printf(" ");
1.1 deraadt 1269: if (psig->action == SIG_DFL)
1.63 deraadt 1270: (void)printf("SIG_DFL");
1.64 guenther 1271: else {
1272: (void)printf("caught handler=0x%lx mask=",
1273: (u_long)psig->action);
1274: sigset(psig->mask);
1275: }
1.63 deraadt 1276: if (psig->code) {
1277: printf(" code ");
1278: if (fancy) {
1279: switch (psig->signo) {
1280: case SIGILL:
1281: sigill_name(psig->code);
1282: break;
1283: case SIGTRAP:
1284: sigtrap_name(psig->code);
1285: break;
1286: case SIGEMT:
1287: sigemt_name(psig->code);
1288: break;
1289: case SIGFPE:
1290: sigfpe_name(psig->code);
1291: break;
1292: case SIGBUS:
1293: sigbus_name(psig->code);
1294: break;
1295: case SIGSEGV:
1296: sigsegv_name(psig->code);
1297: break;
1298: case SIGCHLD:
1299: sigchld_name(psig->code);
1300: break;
1301: }
1302: }
1303: printf("<%d>", psig->code);
1304: }
1305:
1.14 deraadt 1306: switch (psig->signo) {
1307: case SIGSEGV:
1308: case SIGILL:
1309: case SIGBUS:
1310: case SIGFPE:
1311: printf(" addr=%p trapno=%d", psig->si.si_addr,
1312: psig->si.si_trapno);
1313: break;
1314: default:
1315: break;
1316: }
1317: printf("\n");
1.1 deraadt 1318: }
1319:
1.64 guenther 1320: static void
1.81 miod 1321: ktruser(struct ktr_user *usr, size_t len)
1322: {
1.93 jsg 1323: if (len < sizeof(struct ktr_user))
1324: errx(1, "invalid ktr user length %zu", len);
1.81 miod 1325: len -= sizeof(struct ktr_user);
1326: printf("%.*s:", KTR_USER_MAXIDLEN, usr->ktr_id);
1327: printf(" %zu bytes\n", len);
1328: showbuf((unsigned char *)(usr + 1), len);
1.106 guenther 1329: }
1330:
1331: static void
1332: ktrexec(const char *ptr, size_t len)
1333: {
1.111 guenther 1334: int i, col;
1.106 guenther 1335: size_t l;
1336:
1337: putchar('\n');
1338: i = 0;
1339: while (len > 0) {
1340: l = strnlen(ptr, len);
1.111 guenther 1341: col = printf("\t[%d] = ", i++);
1342: col += 7; /* tab expands from 1 to 8 columns */
1.126 guenther 1343: showbufc(col, (unsigned char *)ptr, l, VIS_DQ|VIS_TAB|VIS_NL);
1.106 guenther 1344: if (l == len) {
1345: printf("\tunterminated argument\n");
1346: break;
1347: }
1348: len -= l + 1;
1349: ptr += l + 1;
1350: }
1.117 deraadt 1351: }
1352:
1353: static void
1354: ktrpledge(struct ktr_pledge *pledge, size_t len)
1355: {
1.118 deraadt 1356: char *name = "";
1.117 deraadt 1357: int i;
1358:
1359: if (len < sizeof(struct ktr_pledge))
1360: errx(1, "invalid ktr pledge length %zu", len);
1361:
1.122 guenther 1362: if (pledge->syscall >= SYS_MAXSYSCALL || pledge->syscall < 0)
1.117 deraadt 1363: (void)printf("[%d]", pledge->syscall);
1364: else
1.122 guenther 1365: (void)printf("%s", syscallnames[pledge->syscall]);
1.117 deraadt 1366: printf(", ");
1.118 deraadt 1367: for (i = 0; pledge->code && pledgenames[i].bits != 0; i++) {
1.117 deraadt 1368: if (pledgenames[i].bits & pledge->code) {
1.118 deraadt 1369: name = pledgenames[i].name;
1.117 deraadt 1370: break;
1371: }
1372: }
1.118 deraadt 1373: printf("\"%s\"", name);
1.117 deraadt 1374: (void)printf(", errno %d", pledge->error);
1375: if (fancy)
1376: (void)printf(" %s", strerror(pledge->error));
1377: printf("\n");
1.81 miod 1378: }
1379:
1380: static void
1.17 deraadt 1381: usage(void)
1.1 deraadt 1382: {
1383:
1.19 mickey 1384: extern char *__progname;
1385: fprintf(stderr, "usage: %s "
1.122 guenther 1386: "[-dHlnRTXx] [-f file] [-m maxdata] [-p pid]\n"
1.129 ! guenther 1387: "%*s[-t [cinpstuxX+]]\n",
1.51 otto 1388: __progname, (int)(sizeof("usage: ") + strlen(__progname)), "");
1.1 deraadt 1389: exit(1);
1390: }
1391:
1.61 matthew 1392:
1.92 guenther 1393: /*
1394: * FORMATTERS
1395: */
1396:
1397: static void
1398: ioctldecode(int cmd)
1399: {
1400: char dirbuf[4], *dir = dirbuf;
1401: const char *cp;
1402:
1403: if ((cp = ioctlname((unsigned)cmd)) != NULL) {
1404: (void)printf("%s", cp);
1405: return;
1406: }
1407:
1408: if (cmd & IOC_IN)
1409: *dir++ = 'W';
1410: if (cmd & IOC_OUT)
1411: *dir++ = 'R';
1412: *dir = '\0';
1413:
1.109 zhuk 1414: printf("_IO%s('%c',%d",
1.92 guenther 1415: dirbuf, (int)((cmd >> 8) & 0xff), cmd & 0xff);
1416: if ((cmd & IOC_VOID) == 0)
1417: printf(decimal ? ",%u)" : ",%#x)", (cmd >> 16) & 0xff);
1418: else
1419: printf(")");
1420: }
1421:
1422: static void
1423: ptracedecode(int request)
1424: {
1425: if (request >= 0 && request < nitems(ptrace_ops))
1426: (void)printf("%s", ptrace_ops[request]);
1427: else switch(request) {
1428: #ifdef PT_GETFPREGS
1429: case PT_GETFPREGS:
1430: (void)printf("PT_GETFPREGS");
1431: break;
1432: #endif
1433: case PT_GETREGS:
1434: (void)printf("PT_GETREGS");
1435: break;
1436: #ifdef PT_GETXMMREGS
1437: case PT_GETXMMREGS:
1438: (void)printf("PT_GETXMMREGS");
1439: break;
1440: #endif
1441: #ifdef PT_SETFPREGS
1442: case PT_SETFPREGS:
1443: (void)printf("PT_SETFPREGS");
1444: break;
1445: #endif
1446: case PT_SETREGS:
1447: (void)printf("PT_SETREGS");
1448: break;
1449: #ifdef PT_SETXMMREGS
1450: case PT_SETXMMREGS:
1451: (void)printf("PT_SETXMMREGS");
1452: break;
1453: #endif
1454: #ifdef PT_STEP
1455: case PT_STEP:
1456: (void)printf("PT_STEP");
1457: break;
1458: #endif
1459: #ifdef PT_WCOOKIE
1460: case PT_WCOOKIE:
1461: (void)printf("PT_WCOOKIE");
1462: break;
1463: #endif
1464: default:
1465: pdecint(request);
1466: }
1467: }
1468:
1469:
1.61 matthew 1470: static void
1471: atfd(int fd)
1472: {
1473: if (fd == AT_FDCWD)
1474: (void)printf("AT_FDCWD");
1475: else
1.92 guenther 1476: pdecint(fd);
1.77 guenther 1477: }
1478:
1479: static void
1480: polltimeout(int timeout)
1481: {
1482: if (timeout == INFTIM)
1483: (void)printf("INFTIM");
1484: else
1.92 guenther 1485: pdecint(timeout);
1.82 guenther 1486: }
1487:
1488: static void
1489: wait4pid(int pid)
1490: {
1491: if (pid == WAIT_ANY)
1492: (void)printf("WAIT_ANY");
1493: else if (pid == WAIT_MYPGRP)
1494: (void)printf("WAIT_MYPGRP");
1495: else
1.92 guenther 1496: pdecint(pid); /* ppgid */
1.1 deraadt 1497: }
1.83 guenther 1498:
1499: static void
1500: signame(int sig)
1501: {
1502: if (sig > 0 && sig < NSIG)
1503: (void)printf("SIG%s", sys_signame[sig]);
1504: else
1505: (void)printf("SIG %d", sig);
1506: }
1507:
1.84 guenther 1508: void
1.83 guenther 1509: sigset(int ss)
1510: {
1511: int or = 0;
1512: int cnt = 0;
1513: int i;
1514:
1515: for (i = 1; i < NSIG; i++)
1516: if (sigismember(&ss, i))
1517: cnt++;
1518: if (cnt > (NSIG-1)/2) {
1519: ss = ~ss;
1520: putchar('~');
1521: }
1522:
1523: if (ss == 0) {
1524: (void)printf("0<>");
1525: return;
1526: }
1527:
1528: printf("%#x<", ss);
1529: for (i = 1; i < NSIG; i++)
1530: if (sigismember(&ss, i)) {
1531: if (or) putchar('|'); else or=1;
1532: signame(i);
1533: }
1534: printf(">");
1535: }
1536:
1537: static void
1538: semctlname(int cmd)
1539: {
1540: switch (cmd) {
1541: case GETNCNT:
1542: (void)printf("GETNCNT");
1543: break;
1544: case GETPID:
1545: (void)printf("GETPID");
1546: break;
1547: case GETVAL:
1548: (void)printf("GETVAL");
1549: break;
1550: case GETALL:
1551: (void)printf("GETALL");
1552: break;
1553: case GETZCNT:
1554: (void)printf("GETZCNT");
1555: break;
1556: case SETVAL:
1557: (void)printf("SETVAL");
1558: break;
1559: case SETALL:
1560: (void)printf("SETALL");
1561: break;
1562: case IPC_RMID:
1563: (void)printf("IPC_RMID");
1564: break;
1565: case IPC_SET:
1566: (void)printf("IPC_SET");
1567: break;
1568: case IPC_STAT:
1569: (void)printf("IPC_STAT");
1570: break;
1571: default: /* Should not reach */
1.92 guenther 1572: (void)printf("<invalid=%d>", cmd);
1.83 guenther 1573: }
1574: }
1575:
1576: static void
1.88 guenther 1577: shmctlname(int cmd)
1578: {
1.83 guenther 1579: switch (cmd) {
1580: case IPC_RMID:
1581: (void)printf("IPC_RMID");
1582: break;
1583: case IPC_SET:
1584: (void)printf("IPC_SET");
1585: break;
1586: case IPC_STAT:
1587: (void)printf("IPC_STAT");
1588: break;
1589: default: /* Should not reach */
1.92 guenther 1590: (void)printf("<invalid=%d>", cmd);
1.83 guenther 1591: }
1592: }
1593:
1594:
1595: static void
1.88 guenther 1596: semgetname(int flag)
1597: {
1.83 guenther 1598: int or = 0;
1599: if_print_or(flag, IPC_CREAT, or);
1600: if_print_or(flag, IPC_EXCL, or);
1601: if_print_or(flag, SEM_R, or);
1602: if_print_or(flag, SEM_A, or);
1603: if_print_or(flag, (SEM_R>>3), or);
1604: if_print_or(flag, (SEM_A>>3), or);
1605: if_print_or(flag, (SEM_R>>6), or);
1606: if_print_or(flag, (SEM_A>>6), or);
1.92 guenther 1607:
1608: if (flag & ~(IPC_CREAT|IPC_EXCL|SEM_R|SEM_A|((SEM_R|SEM_A)>>3)|
1609: ((SEM_R|SEM_A)>>6)))
1610: printf("<invalid=%#x>", flag);
1.83 guenther 1611: }
1612:
1613:
1614: /*
1.92 guenther 1615: * Only used by SYS_open and SYS_openat. Unless O_CREAT is set in flags, the
1.83 guenther 1616: * mode argument is unused (and often bogus and misleading).
1617: */
1618: static void
1.92 guenther 1619: flagsandmodename(int mode)
1.88 guenther 1620: {
1.92 guenther 1621: openflagsname(arg1);
1622: if ((arg1 & O_CREAT) == O_CREAT) {
1.83 guenther 1623: (void)putchar(',');
1.92 guenther 1624: modename(mode);
1625: } else if (!fancy)
1626: (void)printf(",<unused>%#o", mode);
1.83 guenther 1627: }
1628:
1629: static void
1630: clockname(int clockid)
1631: {
1632: clocktypename(__CLOCK_TYPE(clockid));
1633: if (__CLOCK_PTID(clockid) != 0)
1634: printf("(%d)", __CLOCK_PTID(clockid));
1635: }
1636:
1637: /*
1638: * [g|s]etsockopt's level argument can either be SOL_SOCKET or a value
1.100 guenther 1639: * referring to a line in /etc/protocols.
1.83 guenther 1640: */
1641: static void
1.100 guenther 1642: sockoptlevelname(int optname)
1.83 guenther 1643: {
1.100 guenther 1644: struct protoent *pe;
1645:
1646: if (arg1 == SOL_SOCKET) {
1647: (void)printf("SOL_SOCKET,");
1648: sockoptname(optname);
1649: } else {
1650: pe = getprotobynumber(arg1);
1651: (void)printf("%u<%s>,%d", arg1,
1652: pe != NULL ? pe->p_name : "unknown", optname);
1653: }
1.83 guenther 1654: }
1655:
1.88 guenther 1656: static void
1657: ktraceopname(int ops)
1658: {
1659: int invalid = 0;
1660:
1661: printf("%#x<", ops);
1662: switch (KTROP(ops)) {
1663: case KTROP_SET:
1664: printf("KTROP_SET");
1665: break;
1666: case KTROP_CLEAR:
1667: printf("KTROP_CLEAR");
1668: break;
1669: case KTROP_CLEARFILE:
1670: printf("KTROP_CLEARFILE");
1671: break;
1672: default:
1673: printf("KTROP(%d)", KTROP(ops));
1674: invalid = 1;
1675: break;
1676: }
1.92 guenther 1677: if (ops & KTRFLAG_DESCEND) printf("|KTRFLAG_DESCEND");
1.88 guenther 1678: printf(">");
1679: if (invalid || (ops & ~(KTROP((unsigned)-1) | KTRFLAG_DESCEND)))
1.92 guenther 1680: (void)printf("<invalid>%d", ops);
1.88 guenther 1681: }