ee8aa41dca
Add a new sysdecode_getrusage_who() which decodes the RUSAGE_* constant passed as the first argument to getrusage(). Use this function in both kdump and truss to decode the first argument to getrusage(). PR: 215448 Submitted by: Anton Yuzhaninov <citrin+pr@citrin.ru> MFC after: 1 month
2033 lines
43 KiB
C
2033 lines
43 KiB
C
/*-
|
|
* Copyright (c) 1988, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static const char copyright[] =
|
|
"@(#) Copyright (c) 1988, 1993\n\
|
|
The Regents of the University of California. All rights reserved.\n";
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)kdump.c 8.1 (Berkeley) 6/6/93";
|
|
#endif
|
|
#endif /* not lint */
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#define _WANT_KERNEL_ERRNO
|
|
#include <sys/param.h>
|
|
#include <sys/capsicum.h>
|
|
#include <sys/errno.h>
|
|
#include <sys/time.h>
|
|
#include <sys/uio.h>
|
|
#include <sys/ktrace.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/sysent.h>
|
|
#include <sys/umtx.h>
|
|
#include <sys/un.h>
|
|
#include <sys/queue.h>
|
|
#include <sys/wait.h>
|
|
#ifdef HAVE_LIBCASPER
|
|
#include <sys/nv.h>
|
|
#endif
|
|
#include <arpa/inet.h>
|
|
#include <netinet/in.h>
|
|
#include <ctype.h>
|
|
#include <capsicum_helpers.h>
|
|
#include <err.h>
|
|
#include <grp.h>
|
|
#include <inttypes.h>
|
|
#include <locale.h>
|
|
#include <netdb.h>
|
|
#include <nl_types.h>
|
|
#include <pwd.h>
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sysdecode.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
#include <vis.h>
|
|
#include "ktrace.h"
|
|
|
|
#ifdef HAVE_LIBCASPER
|
|
#include <libcasper.h>
|
|
|
|
#include <casper/cap_grp.h>
|
|
#include <casper/cap_pwd.h>
|
|
#endif
|
|
|
|
u_int abidump(struct ktr_header *);
|
|
int fetchprocinfo(struct ktr_header *, u_int *);
|
|
int fread_tail(void *, int, int);
|
|
void dumpheader(struct ktr_header *);
|
|
void ktrsyscall(struct ktr_syscall *, u_int);
|
|
void ktrsysret(struct ktr_sysret *, u_int);
|
|
void ktrnamei(char *, int);
|
|
void hexdump(char *, int, int);
|
|
void visdump(char *, int, int);
|
|
void ktrgenio(struct ktr_genio *, int);
|
|
void ktrpsig(struct ktr_psig *);
|
|
void ktrcsw(struct ktr_csw *);
|
|
void ktrcsw_old(struct ktr_csw_old *);
|
|
void ktruser(int, void *);
|
|
void ktrcaprights(cap_rights_t *);
|
|
void ktritimerval(struct itimerval *it);
|
|
void ktrsockaddr(struct sockaddr *);
|
|
void ktrstat(struct stat *);
|
|
void ktrstruct(char *, size_t);
|
|
void ktrcapfail(struct ktr_cap_fail *);
|
|
void ktrfault(struct ktr_fault *);
|
|
void ktrfaultend(struct ktr_faultend *);
|
|
void usage(void);
|
|
|
|
#define TIMESTAMP_NONE 0x0
|
|
#define TIMESTAMP_ABSOLUTE 0x1
|
|
#define TIMESTAMP_ELAPSED 0x2
|
|
#define TIMESTAMP_RELATIVE 0x4
|
|
|
|
static int timestamp, decimal, fancy = 1, suppressdata, tail, threads, maxdata,
|
|
resolv = 0, abiflag = 0, syscallno = 0;
|
|
static const char *tracefile = DEF_TRACEFILE;
|
|
static struct ktr_header ktr_header;
|
|
|
|
#define TIME_FORMAT "%b %e %T %Y"
|
|
#define eqs(s1, s2) (strcmp((s1), (s2)) == 0)
|
|
|
|
#define print_number64(first,i,n,c) do { \
|
|
uint64_t __v; \
|
|
\
|
|
if (quad_align && (((ptrdiff_t)((i) - (first))) & 1) == 1) { \
|
|
(i)++; \
|
|
(n)--; \
|
|
} \
|
|
if (quad_slots == 2) \
|
|
__v = (uint64_t)(uint32_t)(i)[0] | \
|
|
((uint64_t)(uint32_t)(i)[1]) << 32; \
|
|
else \
|
|
__v = (uint64_t)*(i); \
|
|
if (decimal) \
|
|
printf("%c%jd", (c), (intmax_t)__v); \
|
|
else \
|
|
printf("%c%#jx", (c), (uintmax_t)__v); \
|
|
(i) += quad_slots; \
|
|
(n) -= quad_slots; \
|
|
(c) = ','; \
|
|
} while (0)
|
|
|
|
#define print_number(i,n,c) do { \
|
|
if (decimal) \
|
|
printf("%c%jd", c, (intmax_t)*i); \
|
|
else \
|
|
printf("%c%#jx", c, (uintmax_t)(u_register_t)*i); \
|
|
i++; \
|
|
n--; \
|
|
c = ','; \
|
|
} while (0)
|
|
|
|
struct proc_info
|
|
{
|
|
TAILQ_ENTRY(proc_info) info;
|
|
u_int sv_flags;
|
|
pid_t pid;
|
|
};
|
|
|
|
static TAILQ_HEAD(trace_procs, proc_info) trace_procs;
|
|
|
|
#ifdef HAVE_LIBCASPER
|
|
static cap_channel_t *cappwd, *capgrp;
|
|
#endif
|
|
|
|
static void
|
|
strerror_init(void)
|
|
{
|
|
|
|
/*
|
|
* Cache NLS data before entering capability mode.
|
|
* XXXPJD: There should be strerror_init() and strsignal_init() in libc.
|
|
*/
|
|
(void)catopen("libc", NL_CAT_LOCALE);
|
|
}
|
|
|
|
static void
|
|
localtime_init(void)
|
|
{
|
|
time_t ltime;
|
|
|
|
/*
|
|
* Allow localtime(3) to cache /etc/localtime content before entering
|
|
* capability mode.
|
|
* XXXPJD: There should be localtime_init() in libc.
|
|
*/
|
|
(void)time(<ime);
|
|
(void)localtime(<ime);
|
|
}
|
|
|
|
#ifdef HAVE_LIBCASPER
|
|
static int
|
|
cappwdgrp_setup(cap_channel_t **cappwdp, cap_channel_t **capgrpp)
|
|
{
|
|
cap_channel_t *capcas, *cappwdloc, *capgrploc;
|
|
const char *cmds[1], *fields[1];
|
|
|
|
capcas = cap_init();
|
|
if (capcas == NULL) {
|
|
err(1, "unable to create casper process");
|
|
exit(1);
|
|
}
|
|
cappwdloc = cap_service_open(capcas, "system.pwd");
|
|
capgrploc = cap_service_open(capcas, "system.grp");
|
|
/* Casper capability no longer needed. */
|
|
cap_close(capcas);
|
|
if (cappwdloc == NULL || capgrploc == NULL) {
|
|
if (cappwdloc == NULL)
|
|
warn("unable to open system.pwd service");
|
|
if (capgrploc == NULL)
|
|
warn("unable to open system.grp service");
|
|
exit(1);
|
|
}
|
|
/* Limit system.pwd to only getpwuid() function and pw_name field. */
|
|
cmds[0] = "getpwuid";
|
|
if (cap_pwd_limit_cmds(cappwdloc, cmds, 1) < 0)
|
|
err(1, "unable to limit system.pwd service");
|
|
fields[0] = "pw_name";
|
|
if (cap_pwd_limit_fields(cappwdloc, fields, 1) < 0)
|
|
err(1, "unable to limit system.pwd service");
|
|
/* Limit system.grp to only getgrgid() function and gr_name field. */
|
|
cmds[0] = "getgrgid";
|
|
if (cap_grp_limit_cmds(capgrploc, cmds, 1) < 0)
|
|
err(1, "unable to limit system.grp service");
|
|
fields[0] = "gr_name";
|
|
if (cap_grp_limit_fields(capgrploc, fields, 1) < 0)
|
|
err(1, "unable to limit system.grp service");
|
|
|
|
*cappwdp = cappwdloc;
|
|
*capgrpp = capgrploc;
|
|
return (0);
|
|
}
|
|
#endif /* HAVE_LIBCASPER */
|
|
|
|
static void
|
|
print_integer_arg(const char *(*decoder)(int), int value)
|
|
{
|
|
const char *str;
|
|
|
|
str = decoder(value);
|
|
if (str != NULL)
|
|
printf("%s", str);
|
|
else {
|
|
if (decimal)
|
|
printf("<invalid=%d>", value);
|
|
else
|
|
printf("<invalid=%#x>", value);
|
|
}
|
|
}
|
|
|
|
/* Like print_integer_arg but unknown values are treated as valid. */
|
|
static void
|
|
print_integer_arg_valid(const char *(*decoder)(int), int value)
|
|
{
|
|
const char *str;
|
|
|
|
str = decoder(value);
|
|
if (str != NULL)
|
|
printf("%s", str);
|
|
else {
|
|
if (decimal)
|
|
printf("%d", value);
|
|
else
|
|
printf("%#x", value);
|
|
}
|
|
}
|
|
|
|
static void
|
|
print_mask_arg(bool (*decoder)(FILE *, int, int *), int value)
|
|
{
|
|
bool invalid;
|
|
int rem;
|
|
|
|
printf("%#x<", value);
|
|
invalid = !decoder(stdout, value, &rem);
|
|
printf(">");
|
|
if (invalid)
|
|
printf("<invalid>%u", rem);
|
|
}
|
|
|
|
static void
|
|
print_mask_arg0(bool (*decoder)(FILE *, int, int *), int value)
|
|
{
|
|
bool invalid;
|
|
int rem;
|
|
|
|
if (value == 0) {
|
|
printf("0");
|
|
return;
|
|
}
|
|
printf("%#x<", value);
|
|
invalid = !decoder(stdout, value, &rem);
|
|
printf(">");
|
|
if (invalid)
|
|
printf("<invalid>%u", rem);
|
|
}
|
|
|
|
static void
|
|
decode_fileflags(fflags_t value)
|
|
{
|
|
bool invalid;
|
|
fflags_t rem;
|
|
|
|
if (value == 0) {
|
|
printf("0");
|
|
return;
|
|
}
|
|
printf("%#x<", value);
|
|
invalid = !sysdecode_fileflags(stdout, value, &rem);
|
|
printf(">");
|
|
if (invalid)
|
|
printf("<invalid>%u", rem);
|
|
}
|
|
|
|
static void
|
|
decode_filemode(int value)
|
|
{
|
|
bool invalid;
|
|
int rem;
|
|
|
|
if (value == 0) {
|
|
printf("0");
|
|
return;
|
|
}
|
|
printf("%#o<", value);
|
|
invalid = !sysdecode_filemode(stdout, value, &rem);
|
|
printf(">");
|
|
if (invalid)
|
|
printf("<invalid>%u", rem);
|
|
}
|
|
|
|
static void
|
|
print_mask_arg32(bool (*decoder)(FILE *, uint32_t, uint32_t *), uint32_t value)
|
|
{
|
|
bool invalid;
|
|
uint32_t rem;
|
|
|
|
printf("%#x<", value);
|
|
invalid = !decoder(stdout, value, &rem);
|
|
printf(">");
|
|
if (invalid)
|
|
printf("<invalid>%u", rem);
|
|
}
|
|
|
|
static void
|
|
print_mask_argul(bool (*decoder)(FILE *, u_long, u_long *), u_long value)
|
|
{
|
|
bool invalid;
|
|
u_long rem;
|
|
|
|
if (value == 0) {
|
|
printf("0");
|
|
return;
|
|
}
|
|
printf("%#lx<", value);
|
|
invalid = !decoder(stdout, value, &rem);
|
|
printf(">");
|
|
if (invalid)
|
|
printf("<invalid>%lu", rem);
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
int ch, ktrlen, size;
|
|
void *m;
|
|
int trpoints = ALL_POINTS;
|
|
int drop_logged;
|
|
pid_t pid = 0;
|
|
u_int sv_flags;
|
|
|
|
setlocale(LC_CTYPE, "");
|
|
|
|
timestamp = TIMESTAMP_NONE;
|
|
|
|
while ((ch = getopt(argc,argv,"f:dElm:np:AHRrSsTt:")) != -1)
|
|
switch (ch) {
|
|
case 'A':
|
|
abiflag = 1;
|
|
break;
|
|
case 'f':
|
|
tracefile = optarg;
|
|
break;
|
|
case 'd':
|
|
decimal = 1;
|
|
break;
|
|
case 'l':
|
|
tail = 1;
|
|
break;
|
|
case 'm':
|
|
maxdata = atoi(optarg);
|
|
break;
|
|
case 'n':
|
|
fancy = 0;
|
|
break;
|
|
case 'p':
|
|
pid = atoi(optarg);
|
|
break;
|
|
case 'r':
|
|
resolv = 1;
|
|
break;
|
|
case 'S':
|
|
syscallno = 1;
|
|
break;
|
|
case 's':
|
|
suppressdata = 1;
|
|
break;
|
|
case 'E':
|
|
timestamp |= TIMESTAMP_ELAPSED;
|
|
break;
|
|
case 'H':
|
|
threads = 1;
|
|
break;
|
|
case 'R':
|
|
timestamp |= TIMESTAMP_RELATIVE;
|
|
break;
|
|
case 'T':
|
|
timestamp |= TIMESTAMP_ABSOLUTE;
|
|
break;
|
|
case 't':
|
|
trpoints = getpoints(optarg);
|
|
if (trpoints < 0)
|
|
errx(1, "unknown trace point in %s", optarg);
|
|
break;
|
|
default:
|
|
usage();
|
|
}
|
|
|
|
if (argc > optind)
|
|
usage();
|
|
|
|
m = malloc(size = 1025);
|
|
if (m == NULL)
|
|
errx(1, "%s", strerror(ENOMEM));
|
|
if (strcmp(tracefile, "-") != 0)
|
|
if (!freopen(tracefile, "r", stdin))
|
|
err(1, "%s", tracefile);
|
|
|
|
strerror_init();
|
|
localtime_init();
|
|
#ifdef HAVE_LIBCASPER
|
|
if (resolv != 0) {
|
|
if (cappwdgrp_setup(&cappwd, &capgrp) < 0) {
|
|
cappwd = NULL;
|
|
capgrp = NULL;
|
|
}
|
|
}
|
|
if (resolv == 0 || (cappwd != NULL && capgrp != NULL)) {
|
|
if (cap_enter() < 0 && errno != ENOSYS)
|
|
err(1, "unable to enter capability mode");
|
|
}
|
|
#else
|
|
if (resolv == 0) {
|
|
if (cap_enter() < 0 && errno != ENOSYS)
|
|
err(1, "unable to enter capability mode");
|
|
}
|
|
#endif
|
|
if (caph_limit_stdio() == -1)
|
|
err(1, "unable to limit stdio");
|
|
|
|
TAILQ_INIT(&trace_procs);
|
|
drop_logged = 0;
|
|
while (fread_tail(&ktr_header, sizeof(struct ktr_header), 1)) {
|
|
if (ktr_header.ktr_type & KTR_DROP) {
|
|
ktr_header.ktr_type &= ~KTR_DROP;
|
|
if (!drop_logged && threads) {
|
|
printf(
|
|
"%6jd %6jd %-8.*s Events dropped.\n",
|
|
(intmax_t)ktr_header.ktr_pid,
|
|
ktr_header.ktr_tid > 0 ?
|
|
(intmax_t)ktr_header.ktr_tid : 0,
|
|
MAXCOMLEN, ktr_header.ktr_comm);
|
|
drop_logged = 1;
|
|
} else if (!drop_logged) {
|
|
printf("%6jd %-8.*s Events dropped.\n",
|
|
(intmax_t)ktr_header.ktr_pid, MAXCOMLEN,
|
|
ktr_header.ktr_comm);
|
|
drop_logged = 1;
|
|
}
|
|
}
|
|
if (trpoints & (1<<ktr_header.ktr_type))
|
|
if (pid == 0 || ktr_header.ktr_pid == pid ||
|
|
ktr_header.ktr_tid == pid)
|
|
dumpheader(&ktr_header);
|
|
if ((ktrlen = ktr_header.ktr_len) < 0)
|
|
errx(1, "bogus length 0x%x", ktrlen);
|
|
if (ktrlen > size) {
|
|
m = realloc(m, ktrlen+1);
|
|
if (m == NULL)
|
|
errx(1, "%s", strerror(ENOMEM));
|
|
size = ktrlen;
|
|
}
|
|
if (ktrlen && fread_tail(m, ktrlen, 1) == 0)
|
|
errx(1, "data too short");
|
|
if (fetchprocinfo(&ktr_header, (u_int *)m) != 0)
|
|
continue;
|
|
sv_flags = abidump(&ktr_header);
|
|
if (pid && ktr_header.ktr_pid != pid &&
|
|
ktr_header.ktr_tid != pid)
|
|
continue;
|
|
if ((trpoints & (1<<ktr_header.ktr_type)) == 0)
|
|
continue;
|
|
drop_logged = 0;
|
|
switch (ktr_header.ktr_type) {
|
|
case KTR_SYSCALL:
|
|
ktrsyscall((struct ktr_syscall *)m, sv_flags);
|
|
break;
|
|
case KTR_SYSRET:
|
|
ktrsysret((struct ktr_sysret *)m, sv_flags);
|
|
break;
|
|
case KTR_NAMEI:
|
|
case KTR_SYSCTL:
|
|
ktrnamei(m, ktrlen);
|
|
break;
|
|
case KTR_GENIO:
|
|
ktrgenio((struct ktr_genio *)m, ktrlen);
|
|
break;
|
|
case KTR_PSIG:
|
|
ktrpsig((struct ktr_psig *)m);
|
|
break;
|
|
case KTR_CSW:
|
|
if (ktrlen == sizeof(struct ktr_csw_old))
|
|
ktrcsw_old((struct ktr_csw_old *)m);
|
|
else
|
|
ktrcsw((struct ktr_csw *)m);
|
|
break;
|
|
case KTR_USER:
|
|
ktruser(ktrlen, m);
|
|
break;
|
|
case KTR_STRUCT:
|
|
ktrstruct(m, ktrlen);
|
|
break;
|
|
case KTR_CAPFAIL:
|
|
ktrcapfail((struct ktr_cap_fail *)m);
|
|
break;
|
|
case KTR_FAULT:
|
|
ktrfault((struct ktr_fault *)m);
|
|
break;
|
|
case KTR_FAULTEND:
|
|
ktrfaultend((struct ktr_faultend *)m);
|
|
break;
|
|
default:
|
|
printf("\n");
|
|
break;
|
|
}
|
|
if (tail)
|
|
fflush(stdout);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
fread_tail(void *buf, int size, int num)
|
|
{
|
|
int i;
|
|
|
|
while ((i = fread(buf, size, num, stdin)) == 0 && tail) {
|
|
sleep(1);
|
|
clearerr(stdin);
|
|
}
|
|
return (i);
|
|
}
|
|
|
|
int
|
|
fetchprocinfo(struct ktr_header *kth, u_int *flags)
|
|
{
|
|
struct proc_info *pi;
|
|
|
|
switch (kth->ktr_type) {
|
|
case KTR_PROCCTOR:
|
|
TAILQ_FOREACH(pi, &trace_procs, info) {
|
|
if (pi->pid == kth->ktr_pid) {
|
|
TAILQ_REMOVE(&trace_procs, pi, info);
|
|
break;
|
|
}
|
|
}
|
|
pi = malloc(sizeof(struct proc_info));
|
|
if (pi == NULL)
|
|
errx(1, "%s", strerror(ENOMEM));
|
|
pi->sv_flags = *flags;
|
|
pi->pid = kth->ktr_pid;
|
|
TAILQ_INSERT_TAIL(&trace_procs, pi, info);
|
|
return (1);
|
|
|
|
case KTR_PROCDTOR:
|
|
TAILQ_FOREACH(pi, &trace_procs, info) {
|
|
if (pi->pid == kth->ktr_pid) {
|
|
TAILQ_REMOVE(&trace_procs, pi, info);
|
|
free(pi);
|
|
break;
|
|
}
|
|
}
|
|
return (1);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
u_int
|
|
abidump(struct ktr_header *kth)
|
|
{
|
|
struct proc_info *pi;
|
|
const char *abi;
|
|
const char *arch;
|
|
u_int flags = 0;
|
|
|
|
TAILQ_FOREACH(pi, &trace_procs, info) {
|
|
if (pi->pid == kth->ktr_pid) {
|
|
flags = pi->sv_flags;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (abiflag == 0)
|
|
return (flags);
|
|
|
|
switch (flags & SV_ABI_MASK) {
|
|
case SV_ABI_LINUX:
|
|
abi = "L";
|
|
break;
|
|
case SV_ABI_FREEBSD:
|
|
abi = "F";
|
|
break;
|
|
case SV_ABI_CLOUDABI:
|
|
abi = "C";
|
|
break;
|
|
default:
|
|
abi = "U";
|
|
break;
|
|
}
|
|
|
|
if (flags & SV_LP64)
|
|
arch = "64";
|
|
else if (flags & SV_ILP32)
|
|
arch = "32";
|
|
else
|
|
arch = "00";
|
|
|
|
printf("%s%s ", abi, arch);
|
|
|
|
return (flags);
|
|
}
|
|
|
|
void
|
|
dumpheader(struct ktr_header *kth)
|
|
{
|
|
static char unknown[64];
|
|
static struct timeval prevtime, prevtime_e;
|
|
struct timeval temp;
|
|
const char *type;
|
|
const char *sign;
|
|
|
|
switch (kth->ktr_type) {
|
|
case KTR_SYSCALL:
|
|
type = "CALL";
|
|
break;
|
|
case KTR_SYSRET:
|
|
type = "RET ";
|
|
break;
|
|
case KTR_NAMEI:
|
|
type = "NAMI";
|
|
break;
|
|
case KTR_GENIO:
|
|
type = "GIO ";
|
|
break;
|
|
case KTR_PSIG:
|
|
type = "PSIG";
|
|
break;
|
|
case KTR_CSW:
|
|
type = "CSW ";
|
|
break;
|
|
case KTR_USER:
|
|
type = "USER";
|
|
break;
|
|
case KTR_STRUCT:
|
|
type = "STRU";
|
|
break;
|
|
case KTR_SYSCTL:
|
|
type = "SCTL";
|
|
break;
|
|
case KTR_PROCCTOR:
|
|
/* FALLTHROUGH */
|
|
case KTR_PROCDTOR:
|
|
return;
|
|
case KTR_CAPFAIL:
|
|
type = "CAP ";
|
|
break;
|
|
case KTR_FAULT:
|
|
type = "PFLT";
|
|
break;
|
|
case KTR_FAULTEND:
|
|
type = "PRET";
|
|
break;
|
|
default:
|
|
sprintf(unknown, "UNKNOWN(%d)", kth->ktr_type);
|
|
type = unknown;
|
|
}
|
|
|
|
/*
|
|
* The ktr_tid field was previously the ktr_buffer field, which held
|
|
* the kernel pointer value for the buffer associated with data
|
|
* following the record header. It now holds a threadid, but only
|
|
* for trace files after the change. Older trace files still contain
|
|
* kernel pointers. Detect this and suppress the results by printing
|
|
* negative tid's as 0.
|
|
*/
|
|
if (threads)
|
|
printf("%6jd %6jd %-8.*s ", (intmax_t)kth->ktr_pid,
|
|
kth->ktr_tid > 0 ? (intmax_t)kth->ktr_tid : 0,
|
|
MAXCOMLEN, kth->ktr_comm);
|
|
else
|
|
printf("%6jd %-8.*s ", (intmax_t)kth->ktr_pid, MAXCOMLEN,
|
|
kth->ktr_comm);
|
|
if (timestamp) {
|
|
if (timestamp & TIMESTAMP_ABSOLUTE) {
|
|
printf("%jd.%06ld ", (intmax_t)kth->ktr_time.tv_sec,
|
|
kth->ktr_time.tv_usec);
|
|
}
|
|
if (timestamp & TIMESTAMP_ELAPSED) {
|
|
if (prevtime_e.tv_sec == 0)
|
|
prevtime_e = kth->ktr_time;
|
|
timersub(&kth->ktr_time, &prevtime_e, &temp);
|
|
printf("%jd.%06ld ", (intmax_t)temp.tv_sec,
|
|
temp.tv_usec);
|
|
}
|
|
if (timestamp & TIMESTAMP_RELATIVE) {
|
|
if (prevtime.tv_sec == 0)
|
|
prevtime = kth->ktr_time;
|
|
if (timercmp(&kth->ktr_time, &prevtime, <)) {
|
|
timersub(&prevtime, &kth->ktr_time, &temp);
|
|
sign = "-";
|
|
} else {
|
|
timersub(&kth->ktr_time, &prevtime, &temp);
|
|
sign = "";
|
|
}
|
|
prevtime = kth->ktr_time;
|
|
printf("%s%jd.%06ld ", sign, (intmax_t)temp.tv_sec,
|
|
temp.tv_usec);
|
|
}
|
|
}
|
|
printf("%s ", type);
|
|
}
|
|
|
|
#include <sys/syscall.h>
|
|
|
|
static void
|
|
ioctlname(unsigned long val)
|
|
{
|
|
const char *str;
|
|
|
|
str = sysdecode_ioctlname(val);
|
|
if (str != NULL)
|
|
printf("%s", str);
|
|
else if (decimal)
|
|
printf("%lu", val);
|
|
else
|
|
printf("%#lx", val);
|
|
}
|
|
|
|
static enum sysdecode_abi
|
|
syscallabi(u_int sv_flags)
|
|
{
|
|
|
|
if (sv_flags == 0)
|
|
return (SYSDECODE_ABI_FREEBSD);
|
|
switch (sv_flags & SV_ABI_MASK) {
|
|
case SV_ABI_FREEBSD:
|
|
return (SYSDECODE_ABI_FREEBSD);
|
|
#if defined(__amd64__) || defined(__i386__)
|
|
case SV_ABI_LINUX:
|
|
#ifdef __amd64__
|
|
if (sv_flags & SV_ILP32)
|
|
return (SYSDECODE_ABI_LINUX32);
|
|
#endif
|
|
return (SYSDECODE_ABI_LINUX);
|
|
#endif
|
|
#if defined(__aarch64__) || defined(__amd64__)
|
|
case SV_ABI_CLOUDABI:
|
|
return (SYSDECODE_ABI_CLOUDABI64);
|
|
#endif
|
|
default:
|
|
return (SYSDECODE_ABI_UNKNOWN);
|
|
}
|
|
}
|
|
|
|
static void
|
|
syscallname(u_int code, u_int sv_flags)
|
|
{
|
|
const char *name;
|
|
|
|
name = sysdecode_syscallname(syscallabi(sv_flags), code);
|
|
if (name == NULL)
|
|
printf("[%d]", code);
|
|
else {
|
|
printf("%s", name);
|
|
if (syscallno)
|
|
printf("[%d]", code);
|
|
}
|
|
}
|
|
|
|
static void
|
|
print_signal(int signo)
|
|
{
|
|
const char *signame;
|
|
|
|
signame = sysdecode_signal(signo);
|
|
if (signame != NULL)
|
|
printf("%s", signame);
|
|
else
|
|
printf("SIG %d", signo);
|
|
}
|
|
|
|
void
|
|
ktrsyscall(struct ktr_syscall *ktr, u_int sv_flags)
|
|
{
|
|
int narg = ktr->ktr_narg;
|
|
register_t *ip, *first;
|
|
intmax_t arg;
|
|
int quad_align, quad_slots;
|
|
|
|
syscallname(ktr->ktr_code, sv_flags);
|
|
ip = first = &ktr->ktr_args[0];
|
|
if (narg) {
|
|
char c = '(';
|
|
if (fancy &&
|
|
(sv_flags == 0 ||
|
|
(sv_flags & SV_ABI_MASK) == SV_ABI_FREEBSD)) {
|
|
quad_align = 0;
|
|
if (sv_flags & SV_ILP32) {
|
|
#ifdef __powerpc__
|
|
quad_align = 1;
|
|
#endif
|
|
quad_slots = 2;
|
|
} else
|
|
quad_slots = 1;
|
|
switch (ktr->ktr_code) {
|
|
case SYS_bindat:
|
|
case SYS_chflagsat:
|
|
case SYS_connectat:
|
|
case SYS_faccessat:
|
|
case SYS_fchmodat:
|
|
case SYS_fchownat:
|
|
case SYS_fstatat:
|
|
case SYS_futimesat:
|
|
case SYS_linkat:
|
|
case SYS_mkdirat:
|
|
case SYS_mkfifoat:
|
|
case SYS_mknodat:
|
|
case SYS_openat:
|
|
case SYS_readlinkat:
|
|
case SYS_renameat:
|
|
case SYS_unlinkat:
|
|
case SYS_utimensat:
|
|
putchar('(');
|
|
print_integer_arg_valid(sysdecode_atfd, *ip);
|
|
c = ',';
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
}
|
|
switch (ktr->ktr_code) {
|
|
case SYS_ioctl: {
|
|
print_number(ip, narg, c);
|
|
putchar(c);
|
|
ioctlname(*ip);
|
|
c = ',';
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
}
|
|
case SYS_ptrace:
|
|
putchar('(');
|
|
print_integer_arg(sysdecode_ptrace_request, *ip);
|
|
c = ',';
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_access:
|
|
case SYS_eaccess:
|
|
case SYS_faccessat:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_mask_arg(sysdecode_access_mode, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_open:
|
|
case SYS_openat:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_mask_arg(sysdecode_open_flags, ip[0]);
|
|
if ((ip[0] & O_CREAT) == O_CREAT) {
|
|
putchar(',');
|
|
decode_filemode(ip[1]);
|
|
}
|
|
ip += 2;
|
|
narg -= 2;
|
|
break;
|
|
case SYS_wait4:
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_mask_arg0(sysdecode_wait4_options, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_wait6:
|
|
putchar('(');
|
|
print_integer_arg(sysdecode_idtype, *ip);
|
|
c = ',';
|
|
ip++;
|
|
narg--;
|
|
print_number64(first, ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_mask_arg(sysdecode_wait6_options, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_chmod:
|
|
case SYS_fchmod:
|
|
case SYS_lchmod:
|
|
case SYS_fchmodat:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
decode_filemode(*ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_mknodat:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
decode_filemode(*ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_getfsstat:
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_integer_arg(sysdecode_getfsstat_mode, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_mount:
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_mask_arg(sysdecode_mount_flags, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_unmount:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_mask_arg(sysdecode_mount_flags, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_recvmsg:
|
|
case SYS_sendmsg:
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_mask_arg0(sysdecode_msg_flags, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_recvfrom:
|
|
case SYS_sendto:
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_mask_arg0(sysdecode_msg_flags, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_chflags:
|
|
case SYS_chflagsat:
|
|
case SYS_fchflags:
|
|
case SYS_lchflags:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
decode_fileflags(*ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_kill:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_signal(*ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_reboot:
|
|
putchar('(');
|
|
print_mask_arg(sysdecode_reboot_howto, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_umask:
|
|
putchar('(');
|
|
decode_filemode(*ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_msync:
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_mask_arg(sysdecode_msync_flags, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
#ifdef SYS_freebsd6_mmap
|
|
case SYS_freebsd6_mmap:
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_mask_arg(sysdecode_mmap_prot, *ip);
|
|
putchar(',');
|
|
ip++;
|
|
narg--;
|
|
print_mask_arg(sysdecode_mmap_flags, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
#endif
|
|
case SYS_mmap:
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_mask_arg(sysdecode_mmap_prot, *ip);
|
|
putchar(',');
|
|
ip++;
|
|
narg--;
|
|
print_mask_arg(sysdecode_mmap_flags, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_mprotect:
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_mask_arg(sysdecode_mmap_prot, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_madvise:
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_integer_arg(sysdecode_madvice, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_setpriority:
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_integer_arg(sysdecode_prio_which, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_fcntl:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_integer_arg(sysdecode_fcntl_cmd, ip[0]);
|
|
if (sysdecode_fcntl_arg_p(ip[0])) {
|
|
putchar(',');
|
|
if (ip[0] == F_SETFL)
|
|
print_mask_arg(
|
|
sysdecode_fcntl_fileflags,
|
|
ip[1]);
|
|
else
|
|
sysdecode_fcntl_arg(stdout,
|
|
ip[0], ip[1],
|
|
decimal ? 10 : 16);
|
|
}
|
|
ip += 2;
|
|
narg -= 2;
|
|
break;
|
|
case SYS_socket: {
|
|
int sockdomain;
|
|
putchar('(');
|
|
sockdomain = *ip;
|
|
print_integer_arg(sysdecode_socketdomain,
|
|
sockdomain);
|
|
ip++;
|
|
narg--;
|
|
putchar(',');
|
|
print_mask_arg(sysdecode_socket_type, *ip);
|
|
ip++;
|
|
narg--;
|
|
if (sockdomain == PF_INET ||
|
|
sockdomain == PF_INET6) {
|
|
putchar(',');
|
|
print_integer_arg(sysdecode_ipproto,
|
|
*ip);
|
|
ip++;
|
|
narg--;
|
|
}
|
|
c = ',';
|
|
break;
|
|
}
|
|
case SYS_setsockopt:
|
|
case SYS_getsockopt: {
|
|
const char *str;
|
|
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_integer_arg_valid(sysdecode_sockopt_level,
|
|
*ip);
|
|
str = sysdecode_sockopt_name(ip[0], ip[1]);
|
|
if (str != NULL) {
|
|
printf(",%s", str);
|
|
ip++;
|
|
narg--;
|
|
}
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
}
|
|
#ifdef SYS_freebsd6_lseek
|
|
case SYS_freebsd6_lseek:
|
|
print_number(ip, narg, c);
|
|
/* Hidden 'pad' argument, not in lseek(2) */
|
|
print_number(ip, narg, c);
|
|
print_number64(first, ip, narg, c);
|
|
putchar(',');
|
|
print_integer_arg(sysdecode_whence, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
#endif
|
|
case SYS_lseek:
|
|
print_number(ip, narg, c);
|
|
print_number64(first, ip, narg, c);
|
|
putchar(',');
|
|
print_integer_arg(sysdecode_whence, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_flock:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_mask_arg(sysdecode_flock_operation, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_mkfifo:
|
|
case SYS_mkfifoat:
|
|
case SYS_mkdir:
|
|
case SYS_mkdirat:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
decode_filemode(*ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_shutdown:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_integer_arg(sysdecode_shutdown_how, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_socketpair:
|
|
putchar('(');
|
|
print_integer_arg(sysdecode_socketdomain, *ip);
|
|
ip++;
|
|
narg--;
|
|
putchar(',');
|
|
print_mask_arg(sysdecode_socket_type, *ip);
|
|
ip++;
|
|
narg--;
|
|
c = ',';
|
|
break;
|
|
case SYS_getrlimit:
|
|
case SYS_setrlimit:
|
|
putchar('(');
|
|
print_integer_arg(sysdecode_rlimit, *ip);
|
|
ip++;
|
|
narg--;
|
|
c = ',';
|
|
break;
|
|
case SYS_getrusage:
|
|
putchar('(');
|
|
print_integer_arg(sysdecode_getrusage_who, *ip);
|
|
ip++;
|
|
narg--;
|
|
c = ',';
|
|
break;
|
|
case SYS_quotactl:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
if (!sysdecode_quotactl_cmd(stdout, *ip)) {
|
|
if (decimal)
|
|
printf("<invalid=%d>", (int)*ip);
|
|
else
|
|
printf("<invalid=%#x>",
|
|
(int)*ip);
|
|
}
|
|
ip++;
|
|
narg--;
|
|
c = ',';
|
|
break;
|
|
case SYS_nfssvc:
|
|
putchar('(');
|
|
print_integer_arg(sysdecode_nfssvc_flags, *ip);
|
|
ip++;
|
|
narg--;
|
|
c = ',';
|
|
break;
|
|
case SYS_rtprio:
|
|
putchar('(');
|
|
print_integer_arg(sysdecode_rtprio_function,
|
|
*ip);
|
|
ip++;
|
|
narg--;
|
|
c = ',';
|
|
break;
|
|
case SYS___semctl:
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_integer_arg(sysdecode_semctl_cmd, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_semget:
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_mask_arg(sysdecode_semget_flags, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_msgctl:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_integer_arg(sysdecode_msgctl_cmd, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_shmat:
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_mask_arg(sysdecode_shmat_flags, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_shmctl:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_integer_arg(sysdecode_shmctl_cmd, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_shm_open:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_mask_arg(sysdecode_open_flags, ip[0]);
|
|
putchar(',');
|
|
decode_filemode(ip[1]);
|
|
ip += 2;
|
|
narg -= 2;
|
|
break;
|
|
case SYS_minherit:
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_integer_arg(sysdecode_minherit_inherit,
|
|
*ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_rfork:
|
|
putchar('(');
|
|
print_mask_arg(sysdecode_rfork_flags, *ip);
|
|
ip++;
|
|
narg--;
|
|
c = ',';
|
|
break;
|
|
case SYS_lio_listio:
|
|
putchar('(');
|
|
print_integer_arg(sysdecode_lio_listio_mode,
|
|
*ip);
|
|
ip++;
|
|
narg--;
|
|
c = ',';
|
|
break;
|
|
case SYS_mlockall:
|
|
putchar('(');
|
|
print_mask_arg(sysdecode_mlockall_flags, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_sched_setscheduler:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_integer_arg(sysdecode_scheduler_policy,
|
|
*ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_sched_get_priority_max:
|
|
case SYS_sched_get_priority_min:
|
|
putchar('(');
|
|
print_integer_arg(sysdecode_scheduler_policy,
|
|
*ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_sendfile:
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_mask_arg(sysdecode_sendfile_flags, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_kldsym:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_integer_arg(sysdecode_kldsym_cmd, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_sigprocmask:
|
|
putchar('(');
|
|
print_integer_arg(sysdecode_sigprocmask_how,
|
|
*ip);
|
|
ip++;
|
|
narg--;
|
|
c = ',';
|
|
break;
|
|
case SYS___acl_get_file:
|
|
case SYS___acl_set_file:
|
|
case SYS___acl_get_fd:
|
|
case SYS___acl_set_fd:
|
|
case SYS___acl_delete_file:
|
|
case SYS___acl_delete_fd:
|
|
case SYS___acl_aclcheck_file:
|
|
case SYS___acl_aclcheck_fd:
|
|
case SYS___acl_get_link:
|
|
case SYS___acl_set_link:
|
|
case SYS___acl_delete_link:
|
|
case SYS___acl_aclcheck_link:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_integer_arg(sysdecode_acltype, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_sigaction:
|
|
putchar('(');
|
|
print_signal(*ip);
|
|
ip++;
|
|
narg--;
|
|
c = ',';
|
|
break;
|
|
case SYS_extattrctl:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_integer_arg(sysdecode_extattrnamespace,
|
|
*ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_nmount:
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_mask_arg(sysdecode_mount_flags, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_thr_create:
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_mask_arg(sysdecode_thr_create_flags, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_thr_kill:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_signal(*ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_kldunloadf:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_integer_arg(sysdecode_kldunload_flags,
|
|
*ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_linkat:
|
|
case SYS_renameat:
|
|
case SYS_symlinkat:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_integer_arg_valid(sysdecode_atfd, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_cap_fcntls_limit:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
arg = *ip;
|
|
ip++;
|
|
narg--;
|
|
print_mask_arg32(sysdecode_cap_fcntlrights, arg);
|
|
break;
|
|
case SYS_posix_fadvise:
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
print_number(ip, narg, c);
|
|
(void)putchar(',');
|
|
print_integer_arg(sysdecode_fadvice, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_procctl:
|
|
putchar('(');
|
|
print_integer_arg(sysdecode_idtype, *ip);
|
|
c = ',';
|
|
ip++;
|
|
narg--;
|
|
print_number64(first, ip, narg, c);
|
|
putchar(',');
|
|
print_integer_arg(sysdecode_procctl_cmd, *ip);
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS__umtx_op:
|
|
print_number(ip, narg, c);
|
|
putchar(',');
|
|
print_integer_arg(sysdecode_umtx_op, *ip);
|
|
switch (*ip) {
|
|
case UMTX_OP_CV_WAIT:
|
|
ip++;
|
|
narg--;
|
|
putchar(',');
|
|
print_mask_argul(
|
|
sysdecode_umtx_cvwait_flags, *ip);
|
|
break;
|
|
case UMTX_OP_RW_RDLOCK:
|
|
ip++;
|
|
narg--;
|
|
putchar(',');
|
|
print_mask_argul(
|
|
sysdecode_umtx_rwlock_flags, *ip);
|
|
break;
|
|
}
|
|
ip++;
|
|
narg--;
|
|
break;
|
|
case SYS_ftruncate:
|
|
case SYS_truncate:
|
|
print_number(ip, narg, c);
|
|
print_number64(first, ip, narg, c);
|
|
break;
|
|
}
|
|
}
|
|
while (narg > 0) {
|
|
print_number(ip, narg, c);
|
|
}
|
|
putchar(')');
|
|
}
|
|
putchar('\n');
|
|
}
|
|
|
|
void
|
|
ktrsysret(struct ktr_sysret *ktr, u_int sv_flags)
|
|
{
|
|
register_t ret = ktr->ktr_retval;
|
|
int error = ktr->ktr_error;
|
|
|
|
syscallname(ktr->ktr_code, sv_flags);
|
|
printf(" ");
|
|
|
|
if (error == 0) {
|
|
if (fancy) {
|
|
printf("%ld", (long)ret);
|
|
if (ret < 0 || ret > 9)
|
|
printf("/%#lx", (unsigned long)ret);
|
|
} else {
|
|
if (decimal)
|
|
printf("%ld", (long)ret);
|
|
else
|
|
printf("%#lx", (unsigned long)ret);
|
|
}
|
|
} else if (error == ERESTART)
|
|
printf("RESTART");
|
|
else if (error == EJUSTRETURN)
|
|
printf("JUSTRETURN");
|
|
else {
|
|
printf("-1 errno %d", sysdecode_freebsd_to_abi_errno(
|
|
syscallabi(sv_flags), error));
|
|
if (fancy)
|
|
printf(" %s", strerror(ktr->ktr_error));
|
|
}
|
|
putchar('\n');
|
|
}
|
|
|
|
void
|
|
ktrnamei(char *cp, int len)
|
|
{
|
|
printf("\"%.*s\"\n", len, cp);
|
|
}
|
|
|
|
void
|
|
hexdump(char *p, int len, int screenwidth)
|
|
{
|
|
int n, i;
|
|
int width;
|
|
|
|
width = 0;
|
|
do {
|
|
width += 2;
|
|
i = 13; /* base offset */
|
|
i += (width / 2) + 1; /* spaces every second byte */
|
|
i += (width * 2); /* width of bytes */
|
|
i += 3; /* " |" */
|
|
i += width; /* each byte */
|
|
i += 1; /* "|" */
|
|
} while (i < screenwidth);
|
|
width -= 2;
|
|
|
|
for (n = 0; n < len; n += width) {
|
|
for (i = n; i < n + width; i++) {
|
|
if ((i % width) == 0) { /* beginning of line */
|
|
printf(" 0x%04x", i);
|
|
}
|
|
if ((i % 2) == 0) {
|
|
printf(" ");
|
|
}
|
|
if (i < len)
|
|
printf("%02x", p[i] & 0xff);
|
|
else
|
|
printf(" ");
|
|
}
|
|
printf(" |");
|
|
for (i = n; i < n + width; i++) {
|
|
if (i >= len)
|
|
break;
|
|
if (p[i] >= ' ' && p[i] <= '~')
|
|
printf("%c", p[i]);
|
|
else
|
|
printf(".");
|
|
}
|
|
printf("|\n");
|
|
}
|
|
if ((i % width) != 0)
|
|
printf("\n");
|
|
}
|
|
|
|
void
|
|
visdump(char *dp, int datalen, int screenwidth)
|
|
{
|
|
int col = 0;
|
|
char *cp;
|
|
int width;
|
|
char visbuf[5];
|
|
|
|
printf(" \"");
|
|
col = 8;
|
|
for (;datalen > 0; datalen--, dp++) {
|
|
vis(visbuf, *dp, VIS_CSTYLE, *(dp+1));
|
|
cp = visbuf;
|
|
/*
|
|
* Keep track of printables and
|
|
* space chars (like fold(1)).
|
|
*/
|
|
if (col == 0) {
|
|
putchar('\t');
|
|
col = 8;
|
|
}
|
|
switch(*cp) {
|
|
case '\n':
|
|
col = 0;
|
|
putchar('\n');
|
|
continue;
|
|
case '\t':
|
|
width = 8 - (col&07);
|
|
break;
|
|
default:
|
|
width = strlen(cp);
|
|
}
|
|
if (col + width > (screenwidth-2)) {
|
|
printf("\\\n\t");
|
|
col = 8;
|
|
}
|
|
col += width;
|
|
do {
|
|
putchar(*cp++);
|
|
} while (*cp);
|
|
}
|
|
if (col == 0)
|
|
printf(" ");
|
|
printf("\"\n");
|
|
}
|
|
|
|
void
|
|
ktrgenio(struct ktr_genio *ktr, int len)
|
|
{
|
|
int datalen = len - sizeof (struct ktr_genio);
|
|
char *dp = (char *)ktr + sizeof (struct ktr_genio);
|
|
static int screenwidth = 0;
|
|
int i, binary;
|
|
|
|
printf("fd %d %s %d byte%s\n", ktr->ktr_fd,
|
|
ktr->ktr_rw == UIO_READ ? "read" : "wrote", datalen,
|
|
datalen == 1 ? "" : "s");
|
|
if (suppressdata)
|
|
return;
|
|
if (screenwidth == 0) {
|
|
struct winsize ws;
|
|
|
|
if (fancy && ioctl(fileno(stderr), TIOCGWINSZ, &ws) != -1 &&
|
|
ws.ws_col > 8)
|
|
screenwidth = ws.ws_col;
|
|
else
|
|
screenwidth = 80;
|
|
}
|
|
if (maxdata && datalen > maxdata)
|
|
datalen = maxdata;
|
|
|
|
for (i = 0, binary = 0; i < datalen && binary == 0; i++) {
|
|
if (dp[i] >= 32 && dp[i] < 127)
|
|
continue;
|
|
if (dp[i] == 10 || dp[i] == 13 || dp[i] == 0 || dp[i] == 9)
|
|
continue;
|
|
binary = 1;
|
|
}
|
|
if (binary)
|
|
hexdump(dp, datalen, screenwidth);
|
|
else
|
|
visdump(dp, datalen, screenwidth);
|
|
}
|
|
|
|
void
|
|
ktrpsig(struct ktr_psig *psig)
|
|
{
|
|
const char *str;
|
|
|
|
print_signal(psig->signo);
|
|
if (psig->action == SIG_DFL) {
|
|
printf(" SIG_DFL");
|
|
} else {
|
|
printf(" caught handler=0x%lx mask=0x%x",
|
|
(u_long)psig->action, psig->mask.__bits[0]);
|
|
}
|
|
printf(" code=");
|
|
str = sysdecode_sigcode(psig->signo, psig->code);
|
|
if (str != NULL)
|
|
printf("%s", str);
|
|
else
|
|
printf("<invalid=%#x>", psig->code);
|
|
putchar('\n');
|
|
}
|
|
|
|
void
|
|
ktrcsw_old(struct ktr_csw_old *cs)
|
|
{
|
|
printf("%s %s\n", cs->out ? "stop" : "resume",
|
|
cs->user ? "user" : "kernel");
|
|
}
|
|
|
|
void
|
|
ktrcsw(struct ktr_csw *cs)
|
|
{
|
|
printf("%s %s \"%s\"\n", cs->out ? "stop" : "resume",
|
|
cs->user ? "user" : "kernel", cs->wmesg);
|
|
}
|
|
|
|
void
|
|
ktruser(int len, void *p)
|
|
{
|
|
unsigned char *cp;
|
|
|
|
if (sysdecode_utrace(stdout, p, len)) {
|
|
printf("\n");
|
|
return;
|
|
}
|
|
|
|
printf("%d ", len);
|
|
cp = p;
|
|
while (len--)
|
|
if (decimal)
|
|
printf(" %d", *cp++);
|
|
else
|
|
printf(" %02x", *cp++);
|
|
printf("\n");
|
|
}
|
|
|
|
void
|
|
ktrcaprights(cap_rights_t *rightsp)
|
|
{
|
|
|
|
printf("cap_rights_t ");
|
|
sysdecode_cap_rights(stdout, rightsp);
|
|
printf("\n");
|
|
}
|
|
|
|
static void
|
|
ktrtimeval(struct timeval *tv)
|
|
{
|
|
|
|
printf("{%ld, %ld}", (long)tv->tv_sec, tv->tv_usec);
|
|
}
|
|
|
|
void
|
|
ktritimerval(struct itimerval *it)
|
|
{
|
|
|
|
printf("itimerval { .interval = ");
|
|
ktrtimeval(&it->it_interval);
|
|
printf(", .value = ");
|
|
ktrtimeval(&it->it_value);
|
|
printf(" }\n");
|
|
}
|
|
|
|
void
|
|
ktrsockaddr(struct sockaddr *sa)
|
|
{
|
|
/*
|
|
TODO: Support additional address families
|
|
#include <netsmb/netbios.h>
|
|
struct sockaddr_nb *nb;
|
|
*/
|
|
const char *str;
|
|
char addr[64];
|
|
|
|
/*
|
|
* note: ktrstruct() has already verified that sa points to a
|
|
* buffer at least sizeof(struct sockaddr) bytes long and exactly
|
|
* sa->sa_len bytes long.
|
|
*/
|
|
printf("struct sockaddr { ");
|
|
str = sysdecode_sockaddr_family(sa->sa_family);
|
|
if (str != NULL)
|
|
printf("%s", str);
|
|
else
|
|
printf("<invalid=%d>", sa->sa_family);
|
|
printf(", ");
|
|
|
|
#define check_sockaddr_len(n) \
|
|
if (sa_##n.s##n##_len < sizeof(struct sockaddr_##n)) { \
|
|
printf("invalid"); \
|
|
break; \
|
|
}
|
|
|
|
switch(sa->sa_family) {
|
|
case AF_INET: {
|
|
struct sockaddr_in sa_in;
|
|
|
|
memset(&sa_in, 0, sizeof(sa_in));
|
|
memcpy(&sa_in, sa, sa->sa_len);
|
|
check_sockaddr_len(in);
|
|
inet_ntop(AF_INET, &sa_in.sin_addr, addr, sizeof addr);
|
|
printf("%s:%u", addr, ntohs(sa_in.sin_port));
|
|
break;
|
|
}
|
|
case AF_INET6: {
|
|
struct sockaddr_in6 sa_in6;
|
|
|
|
memset(&sa_in6, 0, sizeof(sa_in6));
|
|
memcpy(&sa_in6, sa, sa->sa_len);
|
|
check_sockaddr_len(in6);
|
|
getnameinfo((struct sockaddr *)&sa_in6, sizeof(sa_in6),
|
|
addr, sizeof(addr), NULL, 0, NI_NUMERICHOST);
|
|
printf("[%s]:%u", addr, htons(sa_in6.sin6_port));
|
|
break;
|
|
}
|
|
case AF_UNIX: {
|
|
struct sockaddr_un sa_un;
|
|
|
|
memset(&sa_un, 0, sizeof(sa_un));
|
|
memcpy(&sa_un, sa, sa->sa_len);
|
|
printf("%.*s", (int)sizeof(sa_un.sun_path), sa_un.sun_path);
|
|
break;
|
|
}
|
|
default:
|
|
printf("unknown address family");
|
|
}
|
|
printf(" }\n");
|
|
}
|
|
|
|
void
|
|
ktrstat(struct stat *statp)
|
|
{
|
|
char mode[12], timestr[PATH_MAX + 4];
|
|
struct passwd *pwd;
|
|
struct group *grp;
|
|
struct tm *tm;
|
|
|
|
/*
|
|
* note: ktrstruct() has already verified that statp points to a
|
|
* buffer exactly sizeof(struct stat) bytes long.
|
|
*/
|
|
printf("struct stat {");
|
|
printf("dev=%ju, ino=%ju, ",
|
|
(uintmax_t)statp->st_dev, (uintmax_t)statp->st_ino);
|
|
if (resolv == 0)
|
|
printf("mode=0%jo, ", (uintmax_t)statp->st_mode);
|
|
else {
|
|
strmode(statp->st_mode, mode);
|
|
printf("mode=%s, ", mode);
|
|
}
|
|
printf("nlink=%ju, ", (uintmax_t)statp->st_nlink);
|
|
if (resolv == 0) {
|
|
pwd = NULL;
|
|
} else {
|
|
#ifdef HAVE_LIBCASPER
|
|
if (cappwd != NULL)
|
|
pwd = cap_getpwuid(cappwd, statp->st_uid);
|
|
else
|
|
#endif
|
|
pwd = getpwuid(statp->st_uid);
|
|
}
|
|
if (pwd == NULL)
|
|
printf("uid=%ju, ", (uintmax_t)statp->st_uid);
|
|
else
|
|
printf("uid=\"%s\", ", pwd->pw_name);
|
|
if (resolv == 0) {
|
|
grp = NULL;
|
|
} else {
|
|
#ifdef HAVE_LIBCASPER
|
|
if (capgrp != NULL)
|
|
grp = cap_getgrgid(capgrp, statp->st_gid);
|
|
else
|
|
#endif
|
|
grp = getgrgid(statp->st_gid);
|
|
}
|
|
if (grp == NULL)
|
|
printf("gid=%ju, ", (uintmax_t)statp->st_gid);
|
|
else
|
|
printf("gid=\"%s\", ", grp->gr_name);
|
|
printf("rdev=%ju, ", (uintmax_t)statp->st_rdev);
|
|
printf("atime=");
|
|
if (resolv == 0)
|
|
printf("%jd", (intmax_t)statp->st_atim.tv_sec);
|
|
else {
|
|
tm = localtime(&statp->st_atim.tv_sec);
|
|
strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
|
|
printf("\"%s\"", timestr);
|
|
}
|
|
if (statp->st_atim.tv_nsec != 0)
|
|
printf(".%09ld, ", statp->st_atim.tv_nsec);
|
|
else
|
|
printf(", ");
|
|
printf("mtime=");
|
|
if (resolv == 0)
|
|
printf("%jd", (intmax_t)statp->st_mtim.tv_sec);
|
|
else {
|
|
tm = localtime(&statp->st_mtim.tv_sec);
|
|
strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
|
|
printf("\"%s\"", timestr);
|
|
}
|
|
if (statp->st_mtim.tv_nsec != 0)
|
|
printf(".%09ld, ", statp->st_mtim.tv_nsec);
|
|
else
|
|
printf(", ");
|
|
printf("ctime=");
|
|
if (resolv == 0)
|
|
printf("%jd", (intmax_t)statp->st_ctim.tv_sec);
|
|
else {
|
|
tm = localtime(&statp->st_ctim.tv_sec);
|
|
strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
|
|
printf("\"%s\"", timestr);
|
|
}
|
|
if (statp->st_ctim.tv_nsec != 0)
|
|
printf(".%09ld, ", statp->st_ctim.tv_nsec);
|
|
else
|
|
printf(", ");
|
|
printf("birthtime=");
|
|
if (resolv == 0)
|
|
printf("%jd", (intmax_t)statp->st_birthtim.tv_sec);
|
|
else {
|
|
tm = localtime(&statp->st_birthtim.tv_sec);
|
|
strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
|
|
printf("\"%s\"", timestr);
|
|
}
|
|
if (statp->st_birthtim.tv_nsec != 0)
|
|
printf(".%09ld, ", statp->st_birthtim.tv_nsec);
|
|
else
|
|
printf(", ");
|
|
printf("size=%jd, blksize=%ju, blocks=%jd, flags=0x%x",
|
|
(uintmax_t)statp->st_size, (uintmax_t)statp->st_blksize,
|
|
(intmax_t)statp->st_blocks, statp->st_flags);
|
|
printf(" }\n");
|
|
}
|
|
|
|
void
|
|
ktrstruct(char *buf, size_t buflen)
|
|
{
|
|
char *name, *data;
|
|
size_t namelen, datalen;
|
|
int i;
|
|
cap_rights_t rights;
|
|
struct itimerval it;
|
|
struct stat sb;
|
|
struct sockaddr_storage ss;
|
|
|
|
for (name = buf, namelen = 0;
|
|
namelen < buflen && name[namelen] != '\0';
|
|
++namelen)
|
|
/* nothing */;
|
|
if (namelen == buflen)
|
|
goto invalid;
|
|
if (name[namelen] != '\0')
|
|
goto invalid;
|
|
data = buf + namelen + 1;
|
|
datalen = buflen - namelen - 1;
|
|
if (datalen == 0)
|
|
goto invalid;
|
|
/* sanity check */
|
|
for (i = 0; i < (int)namelen; ++i)
|
|
if (!isalpha(name[i]))
|
|
goto invalid;
|
|
if (strcmp(name, "caprights") == 0) {
|
|
if (datalen != sizeof(cap_rights_t))
|
|
goto invalid;
|
|
memcpy(&rights, data, datalen);
|
|
ktrcaprights(&rights);
|
|
} else if (strcmp(name, "itimerval") == 0) {
|
|
if (datalen != sizeof(struct itimerval))
|
|
goto invalid;
|
|
memcpy(&it, data, datalen);
|
|
ktritimerval(&it);
|
|
} else if (strcmp(name, "stat") == 0) {
|
|
if (datalen != sizeof(struct stat))
|
|
goto invalid;
|
|
memcpy(&sb, data, datalen);
|
|
ktrstat(&sb);
|
|
} else if (strcmp(name, "sockaddr") == 0) {
|
|
if (datalen > sizeof(ss))
|
|
goto invalid;
|
|
memcpy(&ss, data, datalen);
|
|
if (datalen != ss.ss_len)
|
|
goto invalid;
|
|
ktrsockaddr((struct sockaddr *)&ss);
|
|
} else {
|
|
printf("unknown structure\n");
|
|
}
|
|
return;
|
|
invalid:
|
|
printf("invalid record\n");
|
|
}
|
|
|
|
void
|
|
ktrcapfail(struct ktr_cap_fail *ktr)
|
|
{
|
|
switch (ktr->cap_type) {
|
|
case CAPFAIL_NOTCAPABLE:
|
|
/* operation on fd with insufficient capabilities */
|
|
printf("operation requires ");
|
|
sysdecode_cap_rights(stdout, &ktr->cap_needed);
|
|
printf(", descriptor holds ");
|
|
sysdecode_cap_rights(stdout, &ktr->cap_held);
|
|
break;
|
|
case CAPFAIL_INCREASE:
|
|
/* requested more capabilities than fd already has */
|
|
printf("attempt to increase capabilities from ");
|
|
sysdecode_cap_rights(stdout, &ktr->cap_held);
|
|
printf(" to ");
|
|
sysdecode_cap_rights(stdout, &ktr->cap_needed);
|
|
break;
|
|
case CAPFAIL_SYSCALL:
|
|
/* called restricted syscall */
|
|
printf("disallowed system call");
|
|
break;
|
|
case CAPFAIL_LOOKUP:
|
|
/* used ".." in strict-relative mode */
|
|
printf("restricted VFS lookup");
|
|
break;
|
|
default:
|
|
printf("unknown capability failure: ");
|
|
sysdecode_cap_rights(stdout, &ktr->cap_needed);
|
|
printf(" ");
|
|
sysdecode_cap_rights(stdout, &ktr->cap_held);
|
|
break;
|
|
}
|
|
printf("\n");
|
|
}
|
|
|
|
void
|
|
ktrfault(struct ktr_fault *ktr)
|
|
{
|
|
|
|
printf("0x%jx ", (uintmax_t)ktr->vaddr);
|
|
print_mask_arg(sysdecode_vmprot, ktr->type);
|
|
printf("\n");
|
|
}
|
|
|
|
void
|
|
ktrfaultend(struct ktr_faultend *ktr)
|
|
{
|
|
const char *str;
|
|
|
|
str = sysdecode_vmresult(ktr->result);
|
|
if (str != NULL)
|
|
printf("%s", str);
|
|
else
|
|
printf("<invalid=%d>", ktr->result);
|
|
printf("\n");
|
|
}
|
|
|
|
void
|
|
usage(void)
|
|
{
|
|
fprintf(stderr, "usage: kdump [-dEnlHRrSsTA] [-f trfile] "
|
|
"[-m maxdata] [-p pid] [-t trstr]\n");
|
|
exit(1);
|
|
}
|