Annotation of src/usr.bin/kdump/kdump.c, Revision 1.95
1.95 ! jmc 1: /* $OpenBSD: kdump.c,v 1.94 2014/12/15 01:48:54 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:
32: #include <sys/param.h>
33: #include <sys/time.h>
34: #include <sys/uio.h>
35: #include <sys/ktrace.h>
36: #include <sys/ioctl.h>
1.62 otto 37: #include <sys/malloc.h>
38: #include <sys/namei.h>
1.1 deraadt 39: #include <sys/ptrace.h>
1.62 otto 40: #include <sys/sem.h>
41: #include <sys/shm.h>
1.51 otto 42: #include <sys/socket.h>
1.28 deraadt 43: #include <sys/sysctl.h>
1.63 deraadt 44: #include <sys/siginfo.h>
1.62 otto 45: #include <sys/vmmeter.h>
46: #include <sys/tty.h>
1.82 guenther 47: #include <sys/wait.h>
1.1 deraadt 48: #define _KERNEL
1.84 guenther 49: #include <errno.h>
1.1 deraadt 50: #undef _KERNEL
1.62 otto 51: #include <ddb/db_var.h>
52: #include <machine/cpu.h>
1.1 deraadt 53:
1.33 tedu 54: #include <ctype.h>
1.1 deraadt 55: #include <err.h>
1.61 matthew 56: #include <fcntl.h>
1.64 guenther 57: #include <limits.h>
1.77 guenther 58: #include <poll.h>
1.1 deraadt 59: #include <signal.h>
60: #include <stdio.h>
61: #include <stdlib.h>
1.55 otto 62: #include <stdint.h>
1.1 deraadt 63: #include <string.h>
64: #include <unistd.h>
65: #include <vis.h>
66:
67: #include "ktrace.h"
1.22 deraadt 68: #include "kdump.h"
1.51 otto 69: #include "kdump_subr.h"
1.12 espie 70: #include "extern.h"
1.1 deraadt 71:
1.67 mikeb 72: int timestamp, decimal, iohex, fancy = 1, maxdata = INT_MAX;
1.94 guenther 73: int needtid, tail;
1.1 deraadt 74: char *tracefile = DEF_TRACEFILE;
75: struct ktr_header ktr_header;
1.85 guenther 76: pid_t pid_opt = -1;
1.1 deraadt 77:
78: #define eqs(s1, s2) (strcmp((s1), (s2)) == 0)
79:
80: #include <sys/syscall.h>
81:
1.25 mickey 82: #include <compat/linux/linux_syscall.h>
1.1 deraadt 83:
84: #define KTRACE
1.19 mickey 85: #define PTRACE
1.7 deraadt 86: #define NFSCLIENT
87: #define NFSSERVER
88: #define SYSVSEM
89: #define SYSVMSG
90: #define SYSVSHM
91: #define LFS
1.25 mickey 92: #include <kern/syscalls.c>
1.1 deraadt 93:
1.25 mickey 94: #include <compat/linux/linux_syscalls.c>
1.1 deraadt 95: #undef KTRACE
1.19 mickey 96: #undef PTRACE
1.7 deraadt 97: #undef NFSCLIENT
98: #undef NFSSERVER
99: #undef SYSVSEM
100: #undef SYSVMSG
101: #undef SYSVSHM
102: #undef LFS
1.1 deraadt 103:
104: struct emulation {
105: char *name; /* Emulation name */
106: char **sysnames; /* Array of system call names */
107: int nsysnames; /* Number of */
108: };
109:
110: static struct emulation emulations[] = {
1.9 deraadt 111: { "native", syscallnames, SYS_MAXSYSCALL },
112: { "linux", linux_syscallnames, LINUX_SYS_MAXSYSCALL },
1.49 miod 113: { NULL, NULL, 0 }
1.1 deraadt 114: };
115:
1.59 otto 116: static struct emulation *current;
1.60 otto 117: static struct emulation *def_emul;
1.59 otto 118:
119: struct pid_emul {
120: struct emulation *e;
121: pid_t p;
122: };
123:
124: static struct pid_emul *pe_table;
125: static size_t pe_size;
1.1 deraadt 126:
127:
128: static char *ptrace_ops[] = {
129: "PT_TRACE_ME", "PT_READ_I", "PT_READ_D", "PT_READ_U",
130: "PT_WRITE_I", "PT_WRITE_D", "PT_WRITE_U", "PT_CONTINUE",
1.15 art 131: "PT_KILL", "PT_ATTACH", "PT_DETACH", "PT_IO",
1.64 guenther 132: "PT_SET_EVENT_MASK", "PT_GET_EVENT_MASK", "PT_GET_PROCESS_STATE",
1.71 guenther 133: "PT_GET_THREAD_FIRST", "PT_GET_THREAD_NEXT",
1.1 deraadt 134: };
135:
1.59 otto 136: static void mappidtoemul(pid_t, struct emulation *);
137: static struct emulation * findemul(pid_t);
1.37 tedu 138: static int fread_tail(void *, size_t, size_t);
1.13 millert 139: static void dumpheader(struct ktr_header *);
140: static void ktrcsw(struct ktr_csw *);
1.37 tedu 141: static void ktremul(char *, size_t);
142: static void ktrgenio(struct ktr_genio *, size_t);
143: static void ktrnamei(const char *, size_t);
1.13 millert 144: static void ktrpsig(struct ktr_psig *);
1.93 jsg 145: static void ktrsyscall(struct ktr_syscall *, size_t);
1.94 guenther 146: static const char *kresolvsysctl(int, const int *);
1.13 millert 147: static void ktrsysret(struct ktr_sysret *);
1.81 miod 148: static void ktruser(struct ktr_user *, size_t);
1.13 millert 149: static void setemul(const char *);
150: static void usage(void);
1.92 guenther 151: static void ioctldecode(int);
152: static void ptracedecode(int);
1.61 matthew 153: static void atfd(int);
1.77 guenther 154: static void polltimeout(int);
1.82 guenther 155: static void wait4pid(int);
1.83 guenther 156: static void signame(int);
157: static void semctlname(int);
158: static void shmctlname(int);
159: static void semgetname(int);
1.92 guenther 160: static void flagsandmodename(int);
1.83 guenther 161: static void clockname(int);
162: static void sockoptlevelname(int);
1.88 guenther 163: static void ktraceopname(int);
1.12 espie 164:
1.1 deraadt 165: int
1.17 deraadt 166: main(int argc, char *argv[])
1.1 deraadt 167: {
1.37 tedu 168: int ch, silent;
169: size_t ktrlen, size;
1.17 deraadt 170: int trpoints = ALL_POINTS;
1.12 espie 171: void *m;
1.1 deraadt 172:
1.60 otto 173: def_emul = current = &emulations[0]; /* native */
1.1 deraadt 174:
1.94 guenther 175: while ((ch = getopt(argc, argv, "e:f:dHlm:nRp:Tt:xX")) != -1)
1.1 deraadt 176: switch (ch) {
177: case 'e':
178: setemul(optarg);
1.60 otto 179: def_emul = current;
1.1 deraadt 180: break;
181: case 'f':
182: tracefile = optarg;
183: break;
184: case 'd':
185: decimal = 1;
186: break;
1.67 mikeb 187: case 'H':
188: needtid = 1;
189: break;
1.1 deraadt 190: case 'l':
191: tail = 1;
192: break;
193: case 'm':
194: maxdata = atoi(optarg);
195: break;
196: case 'n':
197: fancy = 0;
198: break;
1.17 deraadt 199: case 'p':
1.85 guenther 200: pid_opt = atoi(optarg);
1.17 deraadt 201: break;
1.1 deraadt 202: case 'R':
203: timestamp = 2; /* relative timestamp */
204: break;
205: case 'T':
206: timestamp = 1;
207: break;
208: case 't':
209: trpoints = getpoints(optarg);
210: if (trpoints < 0)
211: errx(1, "unknown trace point in %s", optarg);
212: break;
1.31 tedu 213: case 'x':
214: iohex = 1;
215: break;
216: case 'X':
217: iohex = 2;
218: break;
1.1 deraadt 219: default:
220: usage();
221: }
1.5 deraadt 222: if (argc > optind)
1.1 deraadt 223: usage();
224:
1.37 tedu 225: m = malloc(size = 1025);
1.1 deraadt 226: if (m == NULL)
1.37 tedu 227: err(1, NULL);
1.1 deraadt 228: if (!freopen(tracefile, "r", stdin))
229: err(1, "%s", tracefile);
1.67 mikeb 230: if (fread_tail(&ktr_header, sizeof(struct ktr_header), 1) == 0 ||
231: ktr_header.ktr_type != htobe32(KTR_START))
232: errx(1, "%s: not a dump", tracefile);
1.1 deraadt 233: while (fread_tail(&ktr_header, sizeof(struct ktr_header), 1)) {
1.17 deraadt 234: silent = 0;
1.59 otto 235: if (pe_size == 0)
236: mappidtoemul(ktr_header.ktr_pid, current);
1.85 guenther 237: if (pid_opt != -1 && pid_opt != ktr_header.ktr_pid)
1.17 deraadt 238: silent = 1;
239: if (silent == 0 && trpoints & (1<<ktr_header.ktr_type))
1.1 deraadt 240: dumpheader(&ktr_header);
1.37 tedu 241: ktrlen = ktr_header.ktr_len;
1.1 deraadt 242: if (ktrlen > size) {
1.23 tedu 243: void *newm;
244:
1.64 guenther 245: if (ktrlen == SIZE_MAX)
246: errx(1, "data too long");
1.23 tedu 247: newm = realloc(m, ktrlen+1);
248: if (newm == NULL)
1.66 deraadt 249: err(1, "realloc");
1.23 tedu 250: m = newm;
1.1 deraadt 251: size = ktrlen;
252: }
253: if (ktrlen && fread_tail(m, ktrlen, 1) == 0)
254: errx(1, "data too short");
1.17 deraadt 255: if (silent)
256: continue;
1.1 deraadt 257: if ((trpoints & (1<<ktr_header.ktr_type)) == 0)
258: continue;
1.59 otto 259: current = findemul(ktr_header.ktr_pid);
1.1 deraadt 260: switch (ktr_header.ktr_type) {
261: case KTR_SYSCALL:
1.93 jsg 262: ktrsyscall((struct ktr_syscall *)m, ktrlen);
1.1 deraadt 263: break;
264: case KTR_SYSRET:
265: ktrsysret((struct ktr_sysret *)m);
266: break;
267: case KTR_NAMEI:
268: ktrnamei(m, ktrlen);
269: break;
270: case KTR_GENIO:
271: ktrgenio((struct ktr_genio *)m, ktrlen);
272: break;
273: case KTR_PSIG:
274: ktrpsig((struct ktr_psig *)m);
275: break;
276: case KTR_CSW:
277: ktrcsw((struct ktr_csw *)m);
278: break;
279: case KTR_EMUL:
280: ktremul(m, ktrlen);
1.59 otto 281: mappidtoemul(ktr_header.ktr_pid, current);
1.1 deraadt 282: break;
1.55 otto 283: case KTR_STRUCT:
284: ktrstruct(m, ktrlen);
285: break;
1.81 miod 286: case KTR_USER:
287: ktruser(m, ktrlen);
288: break;
1.1 deraadt 289: }
290: if (tail)
291: (void)fflush(stdout);
292: }
1.12 espie 293: exit(0);
1.1 deraadt 294: }
295:
1.59 otto 296: static void
297: mappidtoemul(pid_t pid, struct emulation *emul)
298: {
299: size_t i;
300: struct pid_emul *tmp;
301:
302: for (i = 0; i < pe_size; i++) {
303: if (pe_table[i].p == pid) {
304: pe_table[i].e = emul;
305: return;
306: }
307: }
1.90 doug 308: tmp = reallocarray(pe_table, pe_size + 1, sizeof(*pe_table));
1.59 otto 309: if (tmp == NULL)
310: err(1, NULL);
311: pe_table = tmp;
312: pe_table[pe_size].p = pid;
313: pe_table[pe_size].e = emul;
314: pe_size++;
315: }
316:
317: static struct emulation*
318: findemul(pid_t pid)
319: {
320: size_t i;
321:
322: for (i = 0; i < pe_size; i++)
323: if (pe_table[i].p == pid)
324: return pe_table[i].e;
1.60 otto 325: return def_emul;
1.59 otto 326: }
327:
1.12 espie 328: static int
1.37 tedu 329: fread_tail(void *buf, size_t size, size_t num)
1.1 deraadt 330: {
331: int i;
332:
333: while ((i = fread(buf, size, num, stdin)) == 0 && tail) {
334: (void)sleep(1);
335: clearerr(stdin);
336: }
337: return (i);
338: }
339:
1.12 espie 340: static void
1.17 deraadt 341: dumpheader(struct ktr_header *kth)
1.1 deraadt 342: {
1.67 mikeb 343: static struct timespec prevtime;
1.1 deraadt 344: char unknown[64], *type;
1.67 mikeb 345: struct timespec temp;
1.1 deraadt 346:
347: switch (kth->ktr_type) {
348: case KTR_SYSCALL:
349: type = "CALL";
350: break;
351: case KTR_SYSRET:
352: type = "RET ";
353: break;
354: case KTR_NAMEI:
355: type = "NAMI";
356: break;
357: case KTR_GENIO:
358: type = "GIO ";
359: break;
360: case KTR_PSIG:
361: type = "PSIG";
362: break;
363: case KTR_CSW:
364: type = "CSW";
365: break;
366: case KTR_EMUL:
367: type = "EMUL";
368: break;
1.55 otto 369: case KTR_STRUCT:
370: type = "STRU";
371: break;
1.81 miod 372: case KTR_USER:
373: type = "USER";
374: break;
1.1 deraadt 375: default:
1.17 deraadt 376: (void)snprintf(unknown, sizeof unknown, "UNKNOWN(%d)",
377: kth->ktr_type);
1.1 deraadt 378: type = unknown;
379: }
380:
1.67 mikeb 381: (void)printf("%6ld", (long)kth->ktr_pid);
382: if (needtid)
1.69 mikeb 383: (void)printf("/%-7ld", (long)kth->ktr_tid);
1.67 mikeb 384: (void)printf(" %-8.*s ", MAXCOMLEN, kth->ktr_comm);
1.1 deraadt 385: if (timestamp) {
386: if (timestamp == 2) {
1.67 mikeb 387: timespecsub(&kth->ktr_time, &prevtime, &temp);
1.1 deraadt 388: prevtime = kth->ktr_time;
389: } else
390: temp = kth->ktr_time;
1.79 deraadt 391: printf("%lld.%06ld ", (long long)temp.tv_sec,
392: temp.tv_nsec / 1000);
1.1 deraadt 393: }
394: (void)printf("%s ", type);
395: }
396:
1.92 guenther 397: /*
398: * Base Formatters
399: */
400:
401: /* some syscalls have padding that shouldn't be shown */
402: static int
403: pad(long arg)
404: {
405: /* nothing printed */
406: return (1);
407: }
408:
409: /* a formatter that just saves the argument for the next formatter */
410: int arg1;
411: static int
412: pass_two(long arg)
413: {
414: arg1 = (int)arg;
415:
416: /* nothing printed */
417: return (1);
418: }
419:
420: static int
421: pdeclong(long arg)
422: {
423: (void)printf("%ld", arg);
424: return (0);
425: }
426:
427: static int
428: pdeculong(long arg)
1.2 deraadt 429: {
1.92 guenther 430: (void)printf("%lu", arg);
431: return (0);
432: }
1.2 deraadt 433:
1.92 guenther 434: static int
435: phexlong(long arg)
436: {
437: (void)printf("%#lx", arg);
438: return (0);
439: }
1.2 deraadt 440:
1.92 guenther 441: static int
442: pnonfancy(long arg)
443: {
444: if (decimal)
445: (void)printf("%ld", arg);
1.2 deraadt 446: else
1.92 guenther 447: (void)printf("%#lx", arg);
448: return (0);
1.2 deraadt 449: }
1.1 deraadt 450:
1.52 otto 451: static void
1.92 guenther 452: pdecint(int arg)
1.52 otto 453: {
1.92 guenther 454: (void)printf("%d", arg);
1.52 otto 455: }
456:
457: static void
1.92 guenther 458: pdecuint(int arg)
1.52 otto 459: {
1.92 guenther 460: (void)printf("%u", arg);
1.52 otto 461: }
462:
463: static void
1.92 guenther 464: phexint(int arg)
1.52 otto 465: {
1.92 guenther 466: (void)printf("%#x", arg);
1.52 otto 467: }
1.92 guenther 468:
1.52 otto 469: static void
1.92 guenther 470: poctint(int arg)
471: {
472: (void)printf("%#o", arg);
473: }
474:
475:
476: #ifdef __LP64__
477:
478: /* on LP64, long long arguments are the same as long arguments */
479: #define Phexlonglong Phexlong
480: #define phexll NULL /* not actually used on LP64 */
481:
482: #else /* __LP64__ */
483:
484: /* on ILP32, long long arguments are passed as two 32bit args */
485: #define Phexlonglong PASS_LONGLONG, Phexll
486:
487: static int
488: phexll(long arg2)
1.52 otto 489: {
1.92 guenther 490: long long val;
491:
492: #if _BYTE_ORDER == _LITTLE_ENDIAN
493: val = ((long long)arg2 << 32) | ((long long)arg1 & 0xffffffff);
494: #else
495: val = ((long long)arg1 << 32) | ((long long)arg2 & 0xffffffff);
496: #endif
497:
498: if (fancy || !decimal)
499: (void)printf("%#llx", val);
500: else
1.52 otto 501: (void)printf("%lld", val);
1.92 guenther 502: return (0);
1.52 otto 503: }
1.92 guenther 504:
505: #endif /* __LP64__ */
506:
507: static int (*long_formatters[])(long) = {
508: NULL,
509: pdeclong,
510: pdeculong,
511: phexlong,
512: pass_two,
513: pass_two,
514: phexll,
515: pad,
516: pnonfancy,
517: };
518:
519: static void (*formatters[])(int) = {
520: NULL,
521: pdecint,
522: phexint,
523: poctint,
524: pdecuint,
525: ioctldecode,
526: ptracedecode,
527: atfd,
528: polltimeout,
529: wait4pid,
530: signame,
531: semctlname,
532: shmctlname,
533: semgetname,
534: flagsandmodename,
535: clockname,
536: sockoptlevelname,
537: ktraceopname,
538: fcntlcmdname,
539: modename,
540: flagsname,
541: openflagsname,
542: atflagsname,
543: accessmodename,
544: mmapprotname,
545: mmapflagsname,
546: wait4optname,
547: sendrecvflagsname,
548: mountflagsname,
549: rebootoptname,
550: flockname,
551: sockoptname,
552: sockdomainname,
553: sockipprotoname,
554: socktypename,
555: sockflagsname,
556: sockfamilyname,
557: mlockallname,
558: shmatname,
559: whencename,
560: pathconfname,
561: rlimitname,
562: shutdownhowname,
563: prioname,
564: madvisebehavname,
565: msyncflagsname,
566: clocktypename,
567: rusagewho,
568: sigactionflagname,
569: sigprocmaskhowname,
570: minheritname,
571: quotactlname,
572: sigill_name,
573: sigtrap_name,
574: sigemt_name,
575: sigfpe_name,
576: sigbus_name,
577: sigsegv_name,
578: sigchld_name,
579: ktracefacname,
580: itimername,
581: sigset,
1.94 guenther 582: uidname,
583: gidname,
1.92 guenther 584: };
585:
586: enum {
587: /* the end of the (known) arguments is recognized by the zero fill */
588: end_of_args = 0,
589:
590: /* negative are the negative of the index into long_formatters[] */
591: Pdeclong = -1,
592: Pdeculong = -2,
593: Phexlong = -3,
594: PASS_TWO = -4,
595:
596: /* the remaining long formatters still get called when non-fancy (-n option) */
597: #define FMT_IS_NONFANCY(x) ((x) <= PASS_LONGLONG)
598: PASS_LONGLONG = -5,
599: Phexll = -6,
600: PAD = -7,
601: Pnonfancy = -8,
602:
603: /* positive values are the index into formatters[] */
604: Pdecint = 1,
605: Phexint,
606: Poctint,
607: Pdecuint,
608: Ioctldecode,
609: Ptracedecode,
610: Atfd,
611: Polltimeout,
612: Wait4pid,
613: Signame,
614: Semctlname,
615: Shmctlname,
616: Semgetname,
617: Flagsandmodename,
618: Clockname,
619: Sockoptlevelname,
620: Ktraceopname,
621: Fcntlcmdname,
622: Modename,
623: Flagsname,
624: Openflagsname,
625: Atflagsname,
626: Accessmodename,
627: Mmapprotname,
628: Mmapflagsname,
629: Wait4optname,
630: Sendrecvflagsname,
631: Mountflagsname,
632: Rebootoptname,
633: Flockname,
634: Sockoptname,
635: Sockdomainname,
636: Sockipprotoname,
637: Socktypename,
638: Sockflagsname,
639: Sockfamilyname,
640: Mlockallname,
641: Shmatname,
642: Whencename,
643: Pathconfname,
644: Rlimitname,
645: Shutdownhowname,
646: Prioname,
647: Madvisebehavname,
648: Msyncflagsname,
649: Clocktypename,
650: Rusagewho,
651: Sigactionflagname,
652: Sigprocmaskhowname,
653: Minheritname,
654: Quotactlname,
655: Sigill_name,
656: Sigtrap_name,
657: Sigemt_name,
658: Sigfpe_name,
659: Sigbus_name,
660: Sigsegv_name,
661: Sigchld_name,
662: Ktracefacname,
663: Itimername,
664: Sigset,
1.94 guenther 665: Uidname,
666: Gidname,
1.92 guenther 667: };
668:
669: #define Pptr Phexlong
670: #define Psize Pdeculong /* size_t for small buffers */
671: #define Pbigsize Phexlong /* size_t for I/O buffers */
672: #define Pcount Pdecint /* int for a count of something */
673: #define Pfd Pdecint
674: #define Ppath Phexlong
675: #define Pdev_t Pdecint
676: #define Ppid_t Pdecint
677: #define Ppgid Pdecint /* pid or negative pgid */
678: #define Poff_t Phexlonglong
679: #define Pmsqid Pdecint
680: #define Pshmid Pdecint
681: #define Psemid Pdecint
682: #define Pkey_t Pdecint
683: #define Pucount Pdecuint
684: #define Chflagsname Phexlong /* to be added */
685: #define Sockprotoname Phexlong /* to be added */
686: #define Swapctlname Phexlong /* to be added */
687: #define Msgflgname Phexlong /* to be added */
688:
689:
690: typedef signed char formatter;
691: static const formatter scargs[][8] = {
692: [SYS_exit] = { Pdecint },
693: [SYS_read] = { Pfd, Pptr, Pbigsize },
694: [SYS_write] = { Pfd, Pptr, Pbigsize },
695: [SYS_open] = { Ppath, PASS_TWO, Flagsandmodename },
696: [SYS_close] = { Pfd },
697: [SYS_getentropy] = { Pptr, Psize },
698: [SYS___tfork] = { Pptr, Psize },
699: [SYS_link] = { Ppath, Ppath },
700: [SYS_unlink] = { Ppath },
701: [SYS_wait4] = { Wait4pid, Pptr, Wait4optname },
702: [SYS_chdir] = { Ppath },
703: [SYS_fchdir] = { Pfd },
704: [SYS_mknod] = { Ppath, Modename, Pdev_t },
705: [SYS_chmod] = { Ppath, Modename },
1.94 guenther 706: [SYS_chown] = { Ppath, Uidname, Gidname },
1.92 guenther 707: [SYS_break] = { Pptr },
708: [SYS_getrusage] = { Rusagewho, Pptr },
709: [SYS_mount] = { Pptr, Ppath, Mountflagsname, Pptr },
710: [SYS_unmount] = { Ppath, Mountflagsname },
1.94 guenther 711: [SYS_setuid] = { Uidname },
1.92 guenther 712: [SYS_ptrace] = { Ptracedecode, Ppid_t, Pptr, Pdecint },
713: [SYS_recvmsg] = { Pfd, Pptr, Sendrecvflagsname },
714: [SYS_sendmsg] = { Pfd, Pptr, Sendrecvflagsname },
715: [SYS_recvfrom] = { Pfd, Pptr, Pbigsize, Sendrecvflagsname },
716: [SYS_accept] = { Pfd, Pptr, Pptr },
717: [SYS_getpeername] = { Pfd, Pptr, Pptr },
718: [SYS_getsockname] = { Pfd, Pptr, Pptr },
719: [SYS_access] = { Ppath, Accessmodename },
720: [SYS_chflags] = { Ppath, Chflagsname },
721: [SYS_fchflags] = { Pfd, Chflagsname },
722: [SYS_kill] = { Ppgid, Signame },
723: [SYS_stat] = { Ppath, Pptr },
724: [SYS_lstat] = { Ppath, Pptr },
725: [SYS_dup] = { Pfd },
726: [SYS_fstatat] = { Atfd, Ppath, Pptr, Atflagsname },
727: [SYS_profil] = { Pptr, Pbigsize, Pbigsize, Pdecuint },
728: [SYS_ktrace] = { Ppath, Ktraceopname, Ktracefacname, Ppgid },
729: [SYS_sigaction] = { Signame, Pptr, Pptr },
730: [SYS_sigprocmask] = { Sigprocmaskhowname, Sigset },
731: [SYS_getlogin] = { Pptr, Pucount },
732: [SYS_setlogin] = { Pptr },
733: [SYS_acct] = { Ppath },
734: [SYS_fstat] = { Pfd, Pptr },
735: [SYS_ioctl] = { Pfd, Ioctldecode, Pptr },
736: [SYS_reboot] = { Rebootoptname },
737: [SYS_revoke] = { Ppath },
738: [SYS_symlink] = { Ppath, Ppath },
739: [SYS_readlink] = { Ppath, Pptr, Psize },
740: [SYS_execve] = { Ppath, Pptr, Pptr },
741: [SYS_umask] = { Modename },
742: [SYS_chroot] = { Ppath },
743: [SYS_getfsstat] = { Pptr, Pbigsize, Mountflagsname },
744: [SYS_statfs] = { Ppath, Pptr },
745: [SYS_fstatfs] = { Pfd, Pptr },
746: [SYS_fhstatfs] = { Pptr, Pptr },
747: [SYS_gettimeofday] = { Pptr, Pptr },
748: [SYS_settimeofday] = { Pptr, Pptr },
749: [SYS_setitimer] = { Itimername, Pptr, Pptr },
750: [SYS_getitimer] = { Itimername, Pptr },
751: [SYS_select] = { Pcount, Pptr, Pptr, Pptr, Pptr },
752: [SYS_kevent] = { Pfd, Pptr, Pcount, Pptr, Pcount, Pptr },
753: [SYS_munmap] = { Pptr, Pbigsize },
754: [SYS_mprotect] = { Pptr, Pbigsize, Mmapprotname },
755: [SYS_madvise] = { Pptr, Pbigsize, Madvisebehavname },
756: [SYS_utimes] = { Ppath, Pptr },
757: [SYS_futimes] = { Pfd, Pptr },
758: [SYS_mincore] = { Pptr, Pbigsize, Pptr },
759: [SYS_getgroups] = { Pcount, Pptr },
760: [SYS_setgroups] = { Pcount, Pptr },
761: [SYS_setpgid] = { Ppid_t, Ppid_t },
762: [SYS_sendsyslog] = { Pptr, Psize },
763: [SYS_utimensat] = { Atfd, Ppath, Pptr, Atflagsname },
764: [SYS_futimens] = { Pfd, Pptr },
765: [SYS_clock_gettime] = { Clockname, Pptr },
766: [SYS_clock_settime] = { Clockname, Pptr },
767: [SYS_clock_getres] = { Clockname, Pptr },
768: [SYS_dup2] = { Pfd, Pfd },
769: [SYS_nanosleep] = { Pptr, Pptr },
770: [SYS_fcntl] = { Pfd, PASS_TWO, Fcntlcmdname },
771: [SYS_accept4] = { Pfd, Pptr, Pptr, Sockflagsname },
772: [SYS___thrsleep] = { Pptr, Clockname, Pptr, Pptr, Pptr },
773: [SYS_fsync] = { Pfd },
774: [SYS_setpriority] = { Prioname, Ppid_t, Pdecint },
775: [SYS_socket] = { Sockdomainname, Socktypename, Sockprotoname },
776: [SYS_connect] = { Pfd, Pptr, Pucount },
777: [SYS_getdents] = { Pfd, Pptr, Pbigsize },
778: [SYS_getpriority] = { Prioname, Ppid_t },
779: [SYS_pipe2] = { Pptr, Flagsname },
780: [SYS_dup3] = { Pfd, Pfd, Flagsname },
781: [SYS_sigreturn] = { Pptr },
782: [SYS_bind] = { Pfd, Pptr, Pucount },
783: [SYS_setsockopt] = { Pfd, PASS_TWO, Sockoptlevelname, Pptr, Pdecint },
784: [SYS_listen] = { Pfd, Pdecint },
785: [SYS_chflagsat] = { Atfd, Ppath, Chflagsname, Atflagsname },
786: [SYS_ppoll] = { Pptr, Pucount, Pptr, Pptr },
787: [SYS_pselect] = { Pcount, Pptr, Pptr, Pptr, Pptr, Pptr },
788: [SYS_sigsuspend] = { Sigset },
789: [SYS_getsockopt] = { Pfd, PASS_TWO, Sockoptlevelname, Pptr, Pptr },
790: [SYS_readv] = { Pfd, Pptr, Pcount },
791: [SYS_writev] = { Pfd, Pptr, Pcount },
1.94 guenther 792: [SYS_fchown] = { Pfd, Uidname, Gidname },
1.92 guenther 793: [SYS_fchmod] = { Pfd, Modename },
1.94 guenther 794: [SYS_setreuid] = { Uidname, Uidname },
795: [SYS_setregid] = { Gidname, Gidname },
1.92 guenther 796: [SYS_rename] = { Ppath, Ppath },
797: [SYS_flock] = { Pfd, Flockname },
798: [SYS_mkfifo] = { Ppath, Modename },
799: [SYS_sendto] = { Pfd, Pptr, Pbigsize, Sendrecvflagsname },
800: [SYS_shutdown] = { Pfd, Shutdownhowname },
801: [SYS_socketpair] = { Sockdomainname, Socktypename, Sockprotoname, Pptr },
802: [SYS_mkdir] = { Ppath, Modename },
803: [SYS_rmdir] = { Ppath },
804: [SYS_adjtime] = { Pptr, Pptr },
1.94 guenther 805: [SYS_quotactl] = { Ppath, Quotactlname, Uidname, Pptr },
1.92 guenther 806: [SYS_nfssvc] = { Phexint, Pptr },
807: [SYS_getfh] = { Ppath, Pptr },
808: [SYS_sysarch] = { Pdecint, Pptr },
809: [SYS_pread] = { Pfd, Pptr, Pbigsize, PAD, Poff_t },
810: [SYS_pwrite] = { Pfd, Pptr, Pbigsize, PAD, Poff_t },
1.94 guenther 811: [SYS_setgid] = { Gidname },
812: [SYS_setegid] = { Gidname },
813: [SYS_seteuid] = { Uidname },
1.92 guenther 814: [SYS_pathconf] = { Ppath, Pathconfname },
815: [SYS_fpathconf] = { Pfd, Pathconfname },
816: [SYS_swapctl] = { Swapctlname, Pptr, Pdecint },
817: [SYS_getrlimit] = { Rlimitname, Pptr },
818: [SYS_setrlimit] = { Rlimitname, Pptr },
819: [SYS_mmap] = { Pptr, Pbigsize, Mmapprotname, Mmapflagsname, Pfd, PAD, Poff_t },
820: [SYS_lseek] = { Pfd, PAD, Poff_t, Whencename },
821: [SYS_truncate] = { Ppath, PAD, Poff_t },
822: [SYS_ftruncate] = { Pfd, PAD, Poff_t },
823: /* [SYS___sysctl] = { }, Magic */
824: [SYS_mlock] = { Pptr, Pbigsize },
825: [SYS_munlock] = { Pptr, Pbigsize },
826: [SYS_getpgid] = { Ppid_t },
827: [SYS_utrace] = { Pptr, Pptr, Psize },
828: [SYS_semget] = { Pkey_t, Pcount, Semgetname },
829: [SYS_msgget] = { Pkey_t, Msgflgname },
830: [SYS_msgsnd] = { Pmsqid, Pptr, Psize, Msgflgname },
831: [SYS_msgrcv] = { Pmsqid, Pptr, Psize, Pdeclong, Msgflgname },
832: [SYS_shmat] = { Pshmid, Pptr, Shmatname },
833: [SYS_shmdt] = { Pptr },
834: [SYS_minherit] = { Pptr, Pbigsize, Minheritname },
835: [SYS_poll] = { Pptr, Pucount, Polltimeout },
1.94 guenther 836: [SYS_lchown] = { Ppath, Uidname, Gidname },
1.92 guenther 837: [SYS_getsid] = { Ppid_t },
838: [SYS_msync] = { Pptr, Pbigsize, Msyncflagsname },
839: [SYS_pipe] = { Pptr },
840: [SYS_fhopen] = { Pptr, Openflagsname },
841: [SYS_preadv] = { Pfd, Pptr, Pcount, PAD, Poff_t },
842: [SYS_pwritev] = { Pfd, Pptr, Pcount, PAD, Poff_t },
843: [SYS_mlockall] = { Mlockallname },
844: [SYS_getresuid] = { Pptr, Pptr, Pptr },
1.94 guenther 845: [SYS_setresuid] = { Uidname, Uidname, Uidname },
1.92 guenther 846: [SYS_getresgid] = { Pptr, Pptr, Pptr },
1.94 guenther 847: [SYS_setresgid] = { Gidname, Gidname, Gidname },
1.92 guenther 848: [SYS_mquery] = { Pptr, Pbigsize, Mmapprotname, Mmapflagsname, Pfd, PAD, Poff_t },
849: [SYS_closefrom] = { Pfd },
850: [SYS_sigaltstack] = { Pptr, Pptr },
851: [SYS_shmget] = { Pkey_t, Pbigsize, Semgetname },
852: [SYS_semop] = { Psemid, Pptr, Psize },
853: [SYS_fhstat] = { Pptr, Pptr },
854: [SYS___semctl] = { Psemid, Pcount, Semctlname, Pptr },
855: [SYS_shmctl] = { Pshmid, Shmctlname, Pptr },
856: [SYS_msgctl] = { Pmsqid, Shmctlname, Pptr },
857: [SYS___thrwakeup] = { Pptr, Pcount },
858: [SYS___threxit] = { Pptr },
859: [SYS___thrsigdivert] = { Sigset, Pptr, Pptr },
860: [SYS___getcwd] = { Pptr, Psize },
861: [SYS_adjfreq] = { Pptr, Pptr },
862: [SYS_setrtable] = { Pdecint },
863: [SYS_faccessat] = { Atfd, Ppath, Accessmodename, Atflagsname },
864: [SYS_fchmodat] = { Atfd, Ppath, Modename, Atflagsname },
1.94 guenther 865: [SYS_fchownat] = { Atfd, Ppath, Uidname, Gidname, Atflagsname },
1.92 guenther 866: [SYS_linkat] = { Atfd, Ppath, Atfd, Ppath, Atflagsname },
867: [SYS_mkdirat] = { Atfd, Ppath, Modename },
868: [SYS_mkfifoat] = { Atfd, Ppath, Modename },
869: [SYS_mknodat] = { Atfd, Ppath, Modename, Pdev_t },
870: [SYS_openat] = { Atfd, Ppath, PASS_TWO, Flagsandmodename },
871: [SYS_readlinkat] = { Atfd, Ppath, Pptr, Psize },
872: [SYS_renameat] = { Atfd, Ppath, Atfd, Ppath },
873: [SYS_symlinkat] = { Atfd, Ppath, Ppath },
874: [SYS_unlinkat] = { Atfd, Ppath, Atflagsname },
875: [SYS___set_tcb] = { Pptr },
876: };
877:
1.51 otto 878:
1.12 espie 879: static void
1.93 jsg 880: ktrsyscall(struct ktr_syscall *ktr, size_t ktrlen)
1.1 deraadt 881: {
1.92 guenther 882: register_t *ap;
883: int narg;
884: char sep;
885:
1.93 jsg 886: if (ktr->ktr_argsize > ktrlen)
887: errx(1, "syscall argument length %d > ktr header length %zu",
888: ktr->ktr_argsize, ktrlen);
889:
1.52 otto 890: narg = ktr->ktr_argsize / sizeof(register_t);
891: sep = '\0';
1.1 deraadt 892:
893: if (ktr->ktr_code >= current->nsysnames || ktr->ktr_code < 0)
894: (void)printf("[%d]", ktr->ktr_code);
895: else
896: (void)printf("%s", current->sysnames[ktr->ktr_code]);
897: ap = (register_t *)((char *)ktr + sizeof(struct ktr_syscall));
1.27 mickey 898: (void)putchar('(');
1.52 otto 899:
1.54 otto 900: if (current != &emulations[0])
901: goto nonnative;
902:
1.92 guenther 903: if (ktr->ktr_code == SYS___sysctl) {
1.62 otto 904: const char *s;
1.94 guenther 905: int n, i, *top;
1.52 otto 906:
907: if (!fancy)
1.92 guenther 908: goto nonnative;
1.52 otto 909: n = ap[1];
910: if (n > CTL_MAXNAME)
911: n = CTL_MAXNAME;
1.93 jsg 912: if (n < 0)
913: errx(1, "invalid sysctl length %d", n);
1.94 guenther 914: if (n > 0) {
915: top = (int *)(ap + 6);
916: printf("%d", top[0]);
917: for (i = 1; i < n; i++)
918: printf(".%d", top[i]);
919: if ((s = kresolvsysctl(0, top)) != NULL) {
920: printf("<%s", s);
921: for (i = 1; i < n; i++) {
922: if ((s = kresolvsysctl(i, top)) != NULL)
923: printf(".%s", s);
924: else
925: printf(".%d", top[i]);
926: }
927: putchar('>');
928: }
1.1 deraadt 929: }
1.52 otto 930:
931: sep = ',';
932: ap += 2;
933: narg -= 2;
1.92 guenther 934: } else if (ktr->ktr_code < nitems(scargs)) {
935: const formatter *fmts = scargs[ktr->ktr_code];
936: int fmt;
1.52 otto 937:
1.92 guenther 938: while (narg && (fmt = *fmts) != 0) {
939: if (sep)
940: putchar(sep);
941: sep = ',';
942: if (!fancy && !FMT_IS_NONFANCY(fmt))
943: fmt = Pnonfancy;
944: if (fmt > 0)
945: formatters[fmt]((int)*ap);
946: else if (long_formatters[-fmt](*ap))
947: sep = '\0';
948: fmts++;
949: ap++;
950: narg--;
951: }
1.52 otto 952: }
953:
1.54 otto 954: nonnative:
1.93 jsg 955: while (narg > 0) {
1.52 otto 956: if (sep)
957: putchar(sep);
958: if (decimal)
959: (void)printf("%ld", (long)*ap);
960: else
961: (void)printf("%#lx", (long)*ap);
962: sep = ',';
963: ap++;
964: narg--;
1.1 deraadt 965: }
1.27 mickey 966: (void)printf(")\n");
1.62 otto 967: }
968:
969: static struct ctlname topname[] = CTL_NAMES;
970: static struct ctlname kernname[] = CTL_KERN_NAMES;
971: static struct ctlname vmname[] = CTL_VM_NAMES;
972: static struct ctlname fsname[] = CTL_FS_NAMES;
973: static struct ctlname netname[] = CTL_NET_NAMES;
974: static struct ctlname hwname[] = CTL_HW_NAMES;
975: static struct ctlname debugname[CTL_DEBUG_MAXID];
976: static struct ctlname kernmallocname[] = CTL_KERN_MALLOC_NAMES;
977: static struct ctlname forkstatname[] = CTL_KERN_FORKSTAT_NAMES;
978: static struct ctlname nchstatsname[] = CTL_KERN_NCHSTATS_NAMES;
1.88 guenther 979: static struct ctlname kernprocname[] = {
1.64 guenther 980: { NULL },
981: { "all" },
982: { "pid" },
983: { "pgrp" },
984: { "session" },
985: { "tty" },
986: { "uid" },
987: { "ruid" },
1.77 guenther 988: { "kthread" },
1.64 guenther 989: };
1.62 otto 990: static struct ctlname ttysname[] = CTL_KERN_TTY_NAMES;
991: static struct ctlname semname[] = CTL_KERN_SEMINFO_NAMES;
992: static struct ctlname shmname[] = CTL_KERN_SHMINFO_NAMES;
993: static struct ctlname watchdogname[] = CTL_KERN_WATCHDOG_NAMES;
994: static struct ctlname tcname[] = CTL_KERN_TIMECOUNTER_NAMES;
995: #ifdef CTL_MACHDEP_NAMES
996: static struct ctlname machdepname[] = CTL_MACHDEP_NAMES;
997: #endif
998: static struct ctlname ddbname[] = CTL_DDB_NAMES;
999:
1000: #ifndef nitems
1001: #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
1002: #endif
1003:
1004: #define SETNAME(name) do { names = (name); limit = nitems(name); } while (0)
1005:
1006: static const char *
1.94 guenther 1007: kresolvsysctl(int depth, const int *top)
1.62 otto 1008: {
1009: struct ctlname *names;
1010: size_t limit;
1.94 guenther 1011: int idx = top[depth];
1.62 otto 1012:
1013: names = NULL;
1014:
1015: switch (depth) {
1016: case 0:
1017: SETNAME(topname);
1018: break;
1019: case 1:
1020: switch (top[0]) {
1021: case CTL_KERN:
1022: SETNAME(kernname);
1023: break;
1024: case CTL_VM:
1025: SETNAME(vmname);
1026: break;
1027: case CTL_FS:
1028: SETNAME(fsname);
1029: break;
1030: case CTL_NET:
1031: SETNAME(netname);
1032: break;
1033: case CTL_DEBUG:
1034: SETNAME(debugname);
1035: break;
1036: case CTL_HW:
1037: SETNAME(hwname);
1038: break;
1039: #ifdef CTL_MACHDEP_NAMES
1040: case CTL_MACHDEP:
1041: SETNAME(machdepname);
1042: break;
1043: #endif
1044: case CTL_DDB:
1045: SETNAME(ddbname);
1046: break;
1047: }
1048: break;
1049: case 2:
1050: switch (top[0]) {
1051: case CTL_KERN:
1052: switch (top[1]) {
1053: case KERN_MALLOCSTATS:
1054: SETNAME(kernmallocname);
1055: break;
1056: case KERN_FORKSTAT:
1057: SETNAME(forkstatname);
1058: break;
1059: case KERN_NCHSTATS:
1060: SETNAME(nchstatsname);
1061: break;
1062: case KERN_TTY:
1063: SETNAME(ttysname);
1064: break;
1065: case KERN_SEMINFO:
1066: SETNAME(semname);
1067: break;
1068: case KERN_SHMINFO:
1069: SETNAME(shmname);
1070: break;
1071: case KERN_WATCHDOG:
1072: SETNAME(watchdogname);
1073: break;
1.64 guenther 1074: case KERN_PROC:
1075: idx++; /* zero is valid at this level */
1076: SETNAME(kernprocname);
1077: break;
1.62 otto 1078: case KERN_TIMECOUNTER:
1079: SETNAME(tcname);
1080: break;
1081: }
1082: }
1083: break;
1084: }
1085: if (names != NULL && idx > 0 && idx < limit)
1086: return (names[idx].ctl_name);
1087: return (NULL);
1.1 deraadt 1088: }
1089:
1.12 espie 1090: static void
1.17 deraadt 1091: ktrsysret(struct ktr_sysret *ktr)
1.1 deraadt 1092: {
1.50 deraadt 1093: register_t ret = ktr->ktr_retval;
1.12 espie 1094: int error = ktr->ktr_error;
1095: int code = ktr->ktr_code;
1.1 deraadt 1096:
1097: if (code >= current->nsysnames || code < 0)
1098: (void)printf("[%d] ", code);
1.59 otto 1099: else {
1.1 deraadt 1100: (void)printf("%s ", current->sysnames[code]);
1.59 otto 1101: if (ret > 0 && (strcmp(current->sysnames[code], "fork") == 0 ||
1102: strcmp(current->sysnames[code], "vfork") == 0 ||
1.64 guenther 1103: strcmp(current->sysnames[code], "__tfork") == 0 ||
1.59 otto 1104: strcmp(current->sysnames[code], "clone") == 0))
1105: mappidtoemul(ret, current);
1106: }
1.1 deraadt 1107:
1108: if (error == 0) {
1109: if (fancy) {
1.64 guenther 1110: switch (current == &emulations[0] ? code : -1) {
1111: case SYS_sigprocmask:
1.73 guenther 1112: case SYS_sigpending:
1.64 guenther 1113: sigset(ret);
1114: break;
1115: case SYS___thrsigdivert:
1116: signame(ret);
1.94 guenther 1117: break;
1118: case SYS_getuid:
1119: case SYS_geteuid:
1120: uidname(ret);
1121: break;
1122: case SYS_getgid:
1123: case SYS_getegid:
1124: gidname(ret);
1.64 guenther 1125: break;
1126: case -1: /* non-default emulation */
1127: default:
1128: (void)printf("%ld", (long)ret);
1129: if (ret < 0 || ret > 9)
1130: (void)printf("/%#lx", (long)ret);
1131: }
1.1 deraadt 1132: } else {
1133: if (decimal)
1.50 deraadt 1134: (void)printf("%ld", (long)ret);
1.1 deraadt 1135: else
1.50 deraadt 1136: (void)printf("%#lx", (long)ret);
1.1 deraadt 1137: }
1138: } else if (error == ERESTART)
1139: (void)printf("RESTART");
1140: else if (error == EJUSTRETURN)
1141: (void)printf("JUSTRETURN");
1142: else {
1143: (void)printf("-1 errno %d", ktr->ktr_error);
1144: if (fancy)
1145: (void)printf(" %s", strerror(ktr->ktr_error));
1146: }
1147: (void)putchar('\n');
1148: }
1149:
1.12 espie 1150: static void
1.37 tedu 1151: ktrnamei(const char *cp, size_t len)
1.1 deraadt 1152: {
1.37 tedu 1153: (void)printf("\"%.*s\"\n", (int)len, cp);
1.1 deraadt 1154: }
1155:
1.12 espie 1156: static void
1.37 tedu 1157: ktremul(char *cp, size_t len)
1.1 deraadt 1158: {
1159: char name[1024];
1160:
1161: if (len >= sizeof(name))
1162: errx(1, "Emulation name too long");
1163:
1164: strncpy(name, cp, len);
1165: name[len] = '\0';
1166: (void)printf("\"%s\"\n", name);
1167:
1168: setemul(name);
1169: }
1170:
1.12 espie 1171: static void
1.81 miod 1172: showbuf(unsigned char *dp, size_t datalen)
1.1 deraadt 1173: {
1.37 tedu 1174: int i, j;
1.81 miod 1175: static int screenwidth;
1.31 tedu 1176: int col = 0, width, bpl;
1.32 tedu 1177: unsigned char visbuf[5], *cp, c;
1.1 deraadt 1178:
1179: if (screenwidth == 0) {
1180: struct winsize ws;
1181:
1182: if (fancy && ioctl(fileno(stderr), TIOCGWINSZ, &ws) != -1 &&
1183: ws.ws_col > 8)
1184: screenwidth = ws.ws_col;
1185: else
1186: screenwidth = 80;
1187: }
1.31 tedu 1188: if (iohex == 1) {
1189: putchar('\t');
1190: col = 8;
1191: for (i = 0; i < datalen; i++) {
1.35 tedu 1192: printf("%02x", dp[i]);
1.31 tedu 1193: col += 3;
1194: if (i < datalen - 1) {
1195: if (col + 3 > screenwidth) {
1196: printf("\n\t");
1197: col = 8;
1198: } else
1199: putchar(' ');
1200: }
1201: }
1202: putchar('\n');
1203: return;
1204: }
1205: if (iohex == 2) {
1206: bpl = (screenwidth - 13)/4;
1207: if (bpl <= 0)
1208: bpl = 1;
1209: for (i = 0; i < datalen; i += bpl) {
1210: printf(" %04x: ", i);
1211: for (j = 0; j < bpl; j++) {
1212: if (i+j >= datalen)
1213: printf(" ");
1214: else
1.35 tedu 1215: printf("%02x ", dp[i+j]);
1.31 tedu 1216: }
1217: putchar(' ');
1218: for (j = 0; j < bpl; j++) {
1219: if (i+j >= datalen)
1220: break;
1221: c = dp[i+j];
1222: if (!isprint(c))
1223: c = '.';
1224: putchar(c);
1225: }
1226: putchar('\n');
1227: }
1228: return;
1229: }
1.1 deraadt 1230: (void)printf(" \"");
1231: col = 8;
1232: for (; datalen > 0; datalen--, dp++) {
1.31 tedu 1233: (void)vis(visbuf, *dp, VIS_CSTYLE, *(dp+1));
1.1 deraadt 1234: cp = visbuf;
1.17 deraadt 1235:
1.1 deraadt 1236: /*
1237: * Keep track of printables and
1238: * space chars (like fold(1)).
1239: */
1240: if (col == 0) {
1241: (void)putchar('\t');
1242: col = 8;
1243: }
1.17 deraadt 1244: switch (*cp) {
1.1 deraadt 1245: case '\n':
1246: col = 0;
1247: (void)putchar('\n');
1248: continue;
1249: case '\t':
1250: width = 8 - (col&07);
1251: break;
1252: default:
1253: width = strlen(cp);
1254: }
1255: if (col + width > (screenwidth-2)) {
1256: (void)printf("\\\n\t");
1257: col = 8;
1258: }
1259: col += width;
1260: do {
1261: (void)putchar(*cp++);
1262: } while (*cp);
1263: }
1264: if (col == 0)
1265: (void)printf(" ");
1266: (void)printf("\"\n");
1267: }
1268:
1.12 espie 1269: static void
1.81 miod 1270: ktrgenio(struct ktr_genio *ktr, size_t len)
1271: {
1272: unsigned char *dp = (unsigned char *)ktr + sizeof(struct ktr_genio);
1.93 jsg 1273: size_t datalen;
1274:
1275: if (len < sizeof(struct ktr_genio))
1276: errx(1, "invalid ktr genio length %zu", len);
1277:
1278: datalen = len - sizeof(struct ktr_genio);
1.81 miod 1279:
1280: printf("fd %d %s %zu bytes\n", ktr->ktr_fd,
1281: ktr->ktr_rw == UIO_READ ? "read" : "wrote", datalen);
1282: if (maxdata == 0)
1283: return;
1284: if (datalen > maxdata)
1285: datalen = maxdata;
1286: if (iohex && !datalen)
1287: return;
1288: showbuf(dp, datalen);
1289: }
1290:
1291: static void
1.17 deraadt 1292: ktrpsig(struct ktr_psig *psig)
1.1 deraadt 1293: {
1.93 jsg 1294: signame(psig->signo);
1.1 deraadt 1295: if (psig->action == SIG_DFL)
1.63 deraadt 1296: (void)printf("SIG_DFL");
1.64 guenther 1297: else {
1298: (void)printf("caught handler=0x%lx mask=",
1299: (u_long)psig->action);
1300: sigset(psig->mask);
1301: }
1.63 deraadt 1302: if (psig->code) {
1303: printf(" code ");
1304: if (fancy) {
1305: switch (psig->signo) {
1306: case SIGILL:
1307: sigill_name(psig->code);
1308: break;
1309: case SIGTRAP:
1310: sigtrap_name(psig->code);
1311: break;
1312: case SIGEMT:
1313: sigemt_name(psig->code);
1314: break;
1315: case SIGFPE:
1316: sigfpe_name(psig->code);
1317: break;
1318: case SIGBUS:
1319: sigbus_name(psig->code);
1320: break;
1321: case SIGSEGV:
1322: sigsegv_name(psig->code);
1323: break;
1324: case SIGCHLD:
1325: sigchld_name(psig->code);
1326: break;
1327: }
1328: }
1329: printf("<%d>", psig->code);
1330: }
1331:
1.14 deraadt 1332: switch (psig->signo) {
1333: case SIGSEGV:
1334: case SIGILL:
1335: case SIGBUS:
1336: case SIGFPE:
1337: printf(" addr=%p trapno=%d", psig->si.si_addr,
1338: psig->si.si_trapno);
1339: break;
1340: default:
1341: break;
1342: }
1343: printf("\n");
1.1 deraadt 1344: }
1345:
1.12 espie 1346: static void
1.17 deraadt 1347: ktrcsw(struct ktr_csw *cs)
1.1 deraadt 1348: {
1349: (void)printf("%s %s\n", cs->out ? "stop" : "resume",
1350: cs->user ? "user" : "kernel");
1351: }
1352:
1.64 guenther 1353: static void
1.81 miod 1354: ktruser(struct ktr_user *usr, size_t len)
1355: {
1.93 jsg 1356: if (len < sizeof(struct ktr_user))
1357: errx(1, "invalid ktr user length %zu", len);
1.81 miod 1358: len -= sizeof(struct ktr_user);
1359: printf("%.*s:", KTR_USER_MAXIDLEN, usr->ktr_id);
1360: printf(" %zu bytes\n", len);
1361: showbuf((unsigned char *)(usr + 1), len);
1362: }
1363:
1364: static void
1.17 deraadt 1365: usage(void)
1.1 deraadt 1366: {
1367:
1.19 mickey 1368: extern char *__progname;
1369: fprintf(stderr, "usage: %s "
1.95 ! jmc 1370: "[-dHlnRTXx] [-e emulation] [-f file] [-m maxdata] [-p pid]\n"
1.81 miod 1371: "%*s[-t [ceinstuw]]\n",
1.51 otto 1372: __progname, (int)(sizeof("usage: ") + strlen(__progname)), "");
1.1 deraadt 1373: exit(1);
1374: }
1375:
1.12 espie 1376: static void
1.17 deraadt 1377: setemul(const char *name)
1.1 deraadt 1378: {
1379: int i;
1.17 deraadt 1380:
1.1 deraadt 1381: for (i = 0; emulations[i].name != NULL; i++)
1382: if (strcmp(emulations[i].name, name) == 0) {
1383: current = &emulations[i];
1384: return;
1385: }
1386: warnx("Emulation `%s' unknown", name);
1.61 matthew 1387: }
1388:
1.92 guenther 1389: /*
1390: * FORMATTERS
1391: */
1392:
1393: static void
1394: ioctldecode(int cmd)
1395: {
1396: char dirbuf[4], *dir = dirbuf;
1397: const char *cp;
1398:
1399: if ((cp = ioctlname((unsigned)cmd)) != NULL) {
1400: (void)printf("%s", cp);
1401: return;
1402: }
1403:
1404: if (cmd & IOC_IN)
1405: *dir++ = 'W';
1406: if (cmd & IOC_OUT)
1407: *dir++ = 'R';
1408: *dir = '\0';
1409:
1410: printf("_IO%s('%c',%lu",
1411: dirbuf, (int)((cmd >> 8) & 0xff), cmd & 0xff);
1412: if ((cmd & IOC_VOID) == 0)
1413: printf(decimal ? ",%u)" : ",%#x)", (cmd >> 16) & 0xff);
1414: else
1415: printf(")");
1416: }
1417:
1418: static void
1419: ptracedecode(int request)
1420: {
1421: if (request >= 0 && request < nitems(ptrace_ops))
1422: (void)printf("%s", ptrace_ops[request]);
1423: else switch(request) {
1424: #ifdef PT_GETFPREGS
1425: case PT_GETFPREGS:
1426: (void)printf("PT_GETFPREGS");
1427: break;
1428: #endif
1429: case PT_GETREGS:
1430: (void)printf("PT_GETREGS");
1431: break;
1432: #ifdef PT_GETXMMREGS
1433: case PT_GETXMMREGS:
1434: (void)printf("PT_GETXMMREGS");
1435: break;
1436: #endif
1437: #ifdef PT_SETFPREGS
1438: case PT_SETFPREGS:
1439: (void)printf("PT_SETFPREGS");
1440: break;
1441: #endif
1442: case PT_SETREGS:
1443: (void)printf("PT_SETREGS");
1444: break;
1445: #ifdef PT_SETXMMREGS
1446: case PT_SETXMMREGS:
1447: (void)printf("PT_SETXMMREGS");
1448: break;
1449: #endif
1450: #ifdef PT_STEP
1451: case PT_STEP:
1452: (void)printf("PT_STEP");
1453: break;
1454: #endif
1455: #ifdef PT_WCOOKIE
1456: case PT_WCOOKIE:
1457: (void)printf("PT_WCOOKIE");
1458: break;
1459: #endif
1460: default:
1461: pdecint(request);
1462: }
1463: }
1464:
1465:
1.61 matthew 1466: static void
1467: atfd(int fd)
1468: {
1469: if (fd == AT_FDCWD)
1470: (void)printf("AT_FDCWD");
1471: else
1.92 guenther 1472: pdecint(fd);
1.77 guenther 1473: }
1474:
1475: static void
1476: polltimeout(int timeout)
1477: {
1478: if (timeout == INFTIM)
1479: (void)printf("INFTIM");
1480: else
1.92 guenther 1481: pdecint(timeout);
1.82 guenther 1482: }
1483:
1484: static void
1485: wait4pid(int pid)
1486: {
1487: if (pid == WAIT_ANY)
1488: (void)printf("WAIT_ANY");
1489: else if (pid == WAIT_MYPGRP)
1490: (void)printf("WAIT_MYPGRP");
1491: else
1.92 guenther 1492: pdecint(pid); /* ppgid */
1.1 deraadt 1493: }
1.83 guenther 1494:
1495: static void
1496: signame(int sig)
1497: {
1498: if (sig > 0 && sig < NSIG)
1499: (void)printf("SIG%s", sys_signame[sig]);
1500: else
1501: (void)printf("SIG %d", sig);
1502: }
1503:
1.84 guenther 1504: void
1.83 guenther 1505: sigset(int ss)
1506: {
1507: int or = 0;
1508: int cnt = 0;
1509: int i;
1510:
1511: for (i = 1; i < NSIG; i++)
1512: if (sigismember(&ss, i))
1513: cnt++;
1514: if (cnt > (NSIG-1)/2) {
1515: ss = ~ss;
1516: putchar('~');
1517: }
1518:
1519: if (ss == 0) {
1520: (void)printf("0<>");
1521: return;
1522: }
1523:
1524: printf("%#x<", ss);
1525: for (i = 1; i < NSIG; i++)
1526: if (sigismember(&ss, i)) {
1527: if (or) putchar('|'); else or=1;
1528: signame(i);
1529: }
1530: printf(">");
1531: }
1532:
1533: static void
1534: semctlname(int cmd)
1535: {
1536: switch (cmd) {
1537: case GETNCNT:
1538: (void)printf("GETNCNT");
1539: break;
1540: case GETPID:
1541: (void)printf("GETPID");
1542: break;
1543: case GETVAL:
1544: (void)printf("GETVAL");
1545: break;
1546: case GETALL:
1547: (void)printf("GETALL");
1548: break;
1549: case GETZCNT:
1550: (void)printf("GETZCNT");
1551: break;
1552: case SETVAL:
1553: (void)printf("SETVAL");
1554: break;
1555: case SETALL:
1556: (void)printf("SETALL");
1557: break;
1558: case IPC_RMID:
1559: (void)printf("IPC_RMID");
1560: break;
1561: case IPC_SET:
1562: (void)printf("IPC_SET");
1563: break;
1564: case IPC_STAT:
1565: (void)printf("IPC_STAT");
1566: break;
1567: default: /* Should not reach */
1.92 guenther 1568: (void)printf("<invalid=%d>", cmd);
1.83 guenther 1569: }
1570: }
1571:
1572: static void
1.88 guenther 1573: shmctlname(int cmd)
1574: {
1.83 guenther 1575: switch (cmd) {
1576: case IPC_RMID:
1577: (void)printf("IPC_RMID");
1578: break;
1579: case IPC_SET:
1580: (void)printf("IPC_SET");
1581: break;
1582: case IPC_STAT:
1583: (void)printf("IPC_STAT");
1584: break;
1585: default: /* Should not reach */
1.92 guenther 1586: (void)printf("<invalid=%d>", cmd);
1.83 guenther 1587: }
1588: }
1589:
1590:
1591: static void
1.88 guenther 1592: semgetname(int flag)
1593: {
1.83 guenther 1594: int or = 0;
1595: if_print_or(flag, IPC_CREAT, or);
1596: if_print_or(flag, IPC_EXCL, or);
1597: if_print_or(flag, SEM_R, or);
1598: if_print_or(flag, SEM_A, or);
1599: if_print_or(flag, (SEM_R>>3), or);
1600: if_print_or(flag, (SEM_A>>3), or);
1601: if_print_or(flag, (SEM_R>>6), or);
1602: if_print_or(flag, (SEM_A>>6), or);
1.92 guenther 1603:
1604: if (flag & ~(IPC_CREAT|IPC_EXCL|SEM_R|SEM_A|((SEM_R|SEM_A)>>3)|
1605: ((SEM_R|SEM_A)>>6)))
1606: printf("<invalid=%#x>", flag);
1.83 guenther 1607: }
1608:
1609:
1610: /*
1.92 guenther 1611: * Only used by SYS_open and SYS_openat. Unless O_CREAT is set in flags, the
1.83 guenther 1612: * mode argument is unused (and often bogus and misleading).
1613: */
1614: static void
1.92 guenther 1615: flagsandmodename(int mode)
1.88 guenther 1616: {
1.92 guenther 1617: openflagsname(arg1);
1618: if ((arg1 & O_CREAT) == O_CREAT) {
1.83 guenther 1619: (void)putchar(',');
1.92 guenther 1620: modename(mode);
1621: } else if (!fancy)
1622: (void)printf(",<unused>%#o", mode);
1.83 guenther 1623: }
1624:
1625: static void
1626: clockname(int clockid)
1627: {
1628: clocktypename(__CLOCK_TYPE(clockid));
1629: if (__CLOCK_PTID(clockid) != 0)
1630: printf("(%d)", __CLOCK_PTID(clockid));
1631: }
1632:
1633: /*
1634: * [g|s]etsockopt's level argument can either be SOL_SOCKET or a value
1635: * referring to a line in /etc/protocols . It might be appropriate
1636: * to use getprotoent(3) here.
1637: */
1638: static void
1639: sockoptlevelname(int level)
1640: {
1.92 guenther 1641: if (level == SOL_SOCKET)
1.83 guenther 1642: (void)printf("SOL_SOCKET");
1.92 guenther 1643: else
1644: pdecint(level);
1.83 guenther 1645: }
1646:
1.88 guenther 1647: static void
1648: ktraceopname(int ops)
1649: {
1650: int invalid = 0;
1651:
1652: printf("%#x<", ops);
1653: switch (KTROP(ops)) {
1654: case KTROP_SET:
1655: printf("KTROP_SET");
1656: break;
1657: case KTROP_CLEAR:
1658: printf("KTROP_CLEAR");
1659: break;
1660: case KTROP_CLEARFILE:
1661: printf("KTROP_CLEARFILE");
1662: break;
1663: default:
1664: printf("KTROP(%d)", KTROP(ops));
1665: invalid = 1;
1666: break;
1667: }
1.92 guenther 1668: if (ops & KTRFLAG_DESCEND) printf("|KTRFLAG_DESCEND");
1.88 guenther 1669: printf(">");
1670: if (invalid || (ops & ~(KTROP((unsigned)-1) | KTRFLAG_DESCEND)))
1.92 guenther 1671: (void)printf("<invalid>%d", ops);
1.88 guenther 1672: }
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