#define _WANT_KERNEL_ERRNO
#ifdef __LP64__
#define _WANT_KEVENT32
#endif
#define _WANT_FREEBSD11_KEVENT
#define _WANT_FREEBSD_BITSET
#include <sys/param.h>
#include <sys/capsicum.h>
#include <sys/_bitset.h>
#include <sys/bitset.h>
#include <sys/errno.h>
#include <sys/time.h>
#include <sys/uio.h>
#include <sys/event.h>
#include <sys/ktrace.h>
#include <sys/mman.h>
#include <sys/ioctl.h>
#include <sys/inotify.h>
#include <sys/poll.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/sysent.h>
#include <sys/thr.h>
#include <sys/umtx.h>
#include <sys/un.h>
#include <sys/queue.h>
#include <sys/wait.h>
#ifdef WITH_CASPER
#include <sys/nv.h>
#endif
#include <arpa/inet.h>
#include <netinet/in.h>
#include <netlink/netlink.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"
#include "kdump.h"
#ifdef WITH_CASPER
#include <libcasper.h>
#include <casper/cap_grp.h>
#include <casper/cap_pwd.h>
#endif
static int fetchprocinfo(struct ktr_header *, u_int *);
static u_int findabi(struct ktr_header *);
static int fread_tail(void *, int, int);
static void dumpheader(struct ktr_header *, u_int);
static void dumptimeval(struct ktr_header_v0 *kth);
static void dumptimespec(struct ktr_header *kth);
static void ktrsyscall(struct ktr_syscall *, u_int);
static void ktrsysret(struct ktr_sysret *, u_int);
static void ktrnamei(char *, int);
static void hexdump(char *, int, int);
static void visdump(char *, int, int);
static void ktrgenio(struct ktr_genio *, int);
static void ktrpsig(struct ktr_psig *);
static void ktrcsw(struct ktr_csw *);
static void ktrcsw_old(struct ktr_csw_old *);
static void ktruser(int, void *);
static void ktrcaprights(cap_rights_t *);
static void ktrinotify(struct inotify_event *);
static void ktritimerval(struct itimerval *it);
static void ktrsockaddr(struct sockaddr *);
static void ktrsplice(struct splice *);
static void ktrstat(struct stat *);
static void ktrstruct(char *, size_t);
static void ktrthrparam(struct thr_param *);
static void ktrcapfail(struct ktr_cap_fail *);
static void ktrfault(struct ktr_fault *);
static void ktrfaultend(struct ktr_faultend *);
static void ktrkevent(struct kevent *);
static void ktrpollfd(struct pollfd *);
static void ktrstructarray(struct ktr_struct_array *, size_t);
static void ktrbitset(char *, struct bitset *, size_t);
static void ktrsyscall_freebsd(struct ktr_syscall *ktr, register_t **resip,
int *resnarg, char *resc, u_int sv_flags);
static void ktrexecve(char *, int);
static void ktrexterr(struct ktr_exterr *);
static void usage(void);
#define TIMESTAMP_NONE 0x0
#define TIMESTAMP_ABSOLUTE 0x1
#define TIMESTAMP_ELAPSED 0x2
#define TIMESTAMP_RELATIVE 0x4
bool decimal, fancy = true, resolv;
static bool abiflag, suppressdata, syscallno, tail, threads, cpuflag;
static int timestamp, maxdata;
static const char *tracefile = DEF_TRACEFILE;
static struct ktr_header ktr_header;
static short version;
#define TIME_FORMAT "%b %e %T %Y"
#define eqs(s1, s2) (strcmp((s1), (s2)) == 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 WITH_CASPER
static cap_channel_t *cappwd, *capgrp;
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");
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);
}
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");
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
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);
}
}
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);
}
}
bool
print_mask_arg_part(bool (*decoder)(FILE *, int, int *), int value, int *rem)
{
printf("%#x<", value);
return (decoder(stdout, value, rem));
}
void
print_mask_arg(bool (*decoder)(FILE *, int, int *), int value)
{
bool invalid;
int rem;
invalid = !print_mask_arg_part(decoder, value, &rem);
printf(">");
if (invalid)
printf("<invalid>%u", rem);
}
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);
}
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);
}
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);
}
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:cdElm:np:AHRrSsTt:")) != -1)
switch (ch) {
case 'A':
abiflag = true;
break;
case 'f':
tracefile = optarg;
break;
case 'c':
cpuflag = true;
break;
case 'd':
decimal = true;
break;
case 'l':
tail = true;
break;
case 'm':
maxdata = atoi(optarg);
break;
case 'n':
fancy = false;
break;
case 'p':
pid = atoi(optarg);
break;
case 'r':
resolv = true;
break;
case 'S':
syscallno = true;
break;
case 's':
suppressdata = true;
break;
case 'E':
timestamp |= TIMESTAMP_ELAPSED;
break;
case 'H':
threads = true;
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);
caph_cache_catpages();
caph_cache_tzdata();
#ifdef WITH_CASPER
if (resolv) {
if (cappwdgrp_setup(&cappwd, &capgrp) < 0) {
cappwd = NULL;
capgrp = NULL;
}
}
if (!resolv || (cappwd != NULL && capgrp != NULL)) {
if (caph_enter() < 0)
err(1, "unable to enter capability mode");
}
#else
if (!resolv) {
if (caph_enter() < 0)
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_VERSIONED) {
ktr_header.ktr_type &= ~KTR_VERSIONED;
version = ktr_header.ktr_version;
} else
version = KTR_VERSION0;
if (ktr_header.ktr_type & KTR_DROP) {
ktr_header.ktr_type &= ~KTR_DROP;
if (!drop_logged && threads) {
printf(
"%6d %6d %-8.*s Events dropped.\n",
ktr_header.ktr_pid,
ktr_header.ktr_tid > 0 ?
(lwpid_t)ktr_header.ktr_tid : 0,
MAXCOMLEN, ktr_header.ktr_comm);
drop_logged = 1;
} else if (!drop_logged) {
printf("%6d %-8.*s Events dropped.\n",
ktr_header.ktr_pid, MAXCOMLEN,
ktr_header.ktr_comm);
drop_logged = 1;
}
}
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 (version == KTR_VERSION0 &&
fseek(stdin, KTR_OFFSET_V0, SEEK_CUR) < 0)
errx(1, "%s", strerror(errno));
if (ktrlen && fread_tail(m, ktrlen, 1) == 0)
errx(1, "data too short");
if (fetchprocinfo(&ktr_header, (u_int *)m) != 0)
continue;
if (pid && ktr_header.ktr_pid != pid &&
ktr_header.ktr_tid != pid)
continue;
if ((trpoints & (1<<ktr_header.ktr_type)) == 0)
continue;
sv_flags = findabi(&ktr_header);
dumpheader(&ktr_header, sv_flags);
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;
case KTR_STRUCT_ARRAY:
ktrstructarray((struct ktr_struct_array *)m, ktrlen);
break;
case KTR_ARGS:
case KTR_ENVS:
ktrexecve(m, ktrlen);
break;
case KTR_EXTERR:
ktrexterr((struct ktr_exterr *)m);
break;
default:
printf("\n");
break;
}
if (tail)
fflush(stdout);
}
return 0;
}
static 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);
}
static 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);
}
static u_int
findabi(struct ktr_header *kth)
{
struct proc_info *pi;
TAILQ_FOREACH(pi, &trace_procs, info) {
if (pi->pid == kth->ktr_pid) {
return (pi->sv_flags);
}
}
return (0);
}
static void
dumptimeval(struct ktr_header_v0 *kth)
{
static struct timeval prevtime, prevtime_e;
struct timeval temp;
const char *sign;
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);
}
}
static void
dumptimespec(struct ktr_header *kth)
{
static struct timespec prevtime, prevtime_e;
struct timespec temp;
const char *sign;
if (timestamp & TIMESTAMP_ABSOLUTE) {
printf("%jd.%09ld ", (intmax_t)kth->ktr_time.tv_sec,
kth->ktr_time.tv_nsec);
}
if (timestamp & TIMESTAMP_ELAPSED) {
if (prevtime_e.tv_sec == 0)
prevtime_e = kth->ktr_time;
timespecsub(&kth->ktr_time, &prevtime_e, &temp);
printf("%jd.%09ld ", (intmax_t)temp.tv_sec,
temp.tv_nsec);
}
if (timestamp & TIMESTAMP_RELATIVE) {
if (prevtime.tv_sec == 0)
prevtime = kth->ktr_time;
if (timespeccmp(&kth->ktr_time, &prevtime, <)) {
timespecsub(&prevtime, &kth->ktr_time, &temp);
sign = "-";
} else {
timespecsub(&kth->ktr_time, &prevtime, &temp);
sign = "";
}
prevtime = kth->ktr_time;
printf("%s%jd.%09ld ", sign, (intmax_t)temp.tv_sec,
temp.tv_nsec);
}
}
static const char * const hdr_names[] = {
[KTR_SYSCALL] = "CALL",
[KTR_SYSRET] = "RET ",
[KTR_NAMEI] = "NAMI",
[KTR_GENIO] = "GIO ",
[KTR_PSIG] = "PSIG",
[KTR_CSW] = "CSW ",
[KTR_USER] = "USER",
[KTR_STRUCT] = "STRU",
[KTR_STRUCT_ARRAY] = "STRU",
[KTR_SYSCTL] = "SCTL",
[KTR_CAPFAIL] = "CAP ",
[KTR_FAULT] = "PFLT",
[KTR_FAULTEND] = "PRET",
[KTR_ARGS] = "ARGS",
[KTR_ENVS] = "ENVS",
[KTR_EXTERR] = "EERR",
};
static void
dumpheader(struct ktr_header *kth, u_int sv_flags)
{
static char unknown[64];
const char *abi;
const char *arch;
const char *type;
if (kth->ktr_type < 0 || (size_t)kth->ktr_type >= nitems(hdr_names)) {
snprintf(unknown, sizeof(unknown), "UNKNOWN(%d)",
kth->ktr_type);
type = unknown;
} else {
type = hdr_names[kth->ktr_type];
}
if (threads)
printf("%6d %6d %-8.*s ", kth->ktr_pid,
kth->ktr_tid > 0 ? (lwpid_t)kth->ktr_tid : 0,
MAXCOMLEN, kth->ktr_comm);
else
printf("%6d %-8.*s ", kth->ktr_pid, MAXCOMLEN, kth->ktr_comm);
if (timestamp) {
if (version == KTR_VERSION0)
dumptimeval((struct ktr_header_v0 *)kth);
else
dumptimespec(kth);
}
if (cpuflag && version > KTR_VERSION0)
printf("%3d ", kth->ktr_cpu);
printf("%s ", type);
if (abiflag != 0) {
switch (sv_flags & SV_ABI_MASK) {
case SV_ABI_LINUX:
abi = "L";
break;
case SV_ABI_FREEBSD:
abi = "F";
break;
default:
abi = "U";
break;
}
if ((sv_flags & SV_LP64) != 0)
arch = "64";
else if ((sv_flags & SV_ILP32) != 0)
arch = "32";
else
arch = "00";
printf("%s%s ", abi, arch);
}
}
#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);
case SV_ABI_LINUX:
#ifdef __LP64__
if (sv_flags & SV_ILP32)
return (SYSDECODE_ABI_LINUX32);
#endif
return (SYSDECODE_ABI_LINUX);
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);
}
static void
ktrsyscall(struct ktr_syscall *ktr, u_int sv_flags)
{
int narg = ktr->ktr_narg;
register_t *ip;
syscallname(ktr->ktr_code, sv_flags);
ip = &ktr->ktr_args[0];
if (narg) {
char c = '(';
if (fancy) {
switch (sv_flags & SV_ABI_MASK) {
case SV_ABI_FREEBSD:
ktrsyscall_freebsd(ktr, &ip, &narg, &c,
sv_flags);
break;
#ifdef SYSDECODE_HAVE_LINUX
case SV_ABI_LINUX:
#ifdef __amd64__
if (sv_flags & SV_ILP32)
ktrsyscall_linux32(ktr, &ip,
&narg, &c);
else
#endif
ktrsyscall_linux(ktr, &ip, &narg, &c);
break;
#endif
}
}
while (narg > 0)
print_number(ip, narg, c);
putchar(')');
}
putchar('\n');
}
static void
ktrsyscall_freebsd(struct ktr_syscall *ktr, register_t **resip,
int *resnarg, char *resc, u_int sv_flags)
{
int narg = ktr->ktr_narg;
register_t *ip, *first;
intmax_t arg;
int quad_align, quad_slots;
ip = first = &ktr->ktr_args[0];
char c = *resc;
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_close_range:
print_number(ip, narg, c);
print_number(ip, narg, c);
putchar(',');
print_mask_arg0(sysdecode_close_range_flags,
*ip);
ip += 3;
narg -= 3;
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:
*ip = (pid_t)*ip;
print_decimal_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_decimal_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_arg0(sysdecode_mount_flags, *ip);
ip++;
narg--;
break;
case SYS_unmount:
print_number(ip, narg, c);
putchar(',');
print_mask_arg0(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:
*ip = (pid_t)*ip;
print_decimal_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_pathconf:
case SYS_lpathconf:
case SYS_fpathconf:
print_number(ip, narg, c);
putchar(',');
print_integer_arg(sysdecode_pathconf_name, *ip);
ip++;
narg--;
break;
case SYS_getpriority:
case SYS_setpriority:
putchar('(');
print_integer_arg(sysdecode_prio_which, *ip);
c = ',';
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);
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:
case SYS_rtprio_thread:
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;
#ifdef SYS_freebsd12_shm_open
case SYS_freebsd12_shm_open:
if (ip[0] == (uintptr_t)SHM_ANON) {
printf("(SHM_ANON");
ip++;
} else {
print_number(ip, narg, c);
}
putchar(',');
print_mask_arg(sysdecode_open_flags, ip[0]);
putchar(',');
decode_filemode(ip[1]);
ip += 2;
narg -= 2;
break;
#endif
case SYS_shm_open2:
if (ip[0] == (uintptr_t)SHM_ANON) {
printf("(SHM_ANON");
ip++;
} else {
print_number(ip, narg, c);
}
putchar(',');
print_mask_arg(sysdecode_open_flags, ip[0]);
putchar(',');
decode_filemode(ip[1]);
putchar(',');
print_mask_arg(sysdecode_shmflags, ip[2]);
ip += 3;
narg -= 3;
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_arg0(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--;
print_number(ip, narg, c);
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: {
int op;
print_number(ip, narg, c);
putchar(',');
if (print_mask_arg_part(sysdecode_umtx_op_flags,
*ip, &op))
putchar('|');
print_integer_arg(sysdecode_umtx_op, op);
putchar('>');
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;
case SYS_fchownat:
print_number(ip, narg, c);
print_number(ip, narg, c);
print_number(ip, narg, c);
break;
case SYS_fstatat:
case SYS_utimensat:
print_number(ip, narg, c);
print_number(ip, narg, c);
break;
case SYS_unlinkat:
print_number(ip, narg, c);
break;
case SYS_sysarch:
putchar('(');
print_integer_arg(sysdecode_sysarch_number, *ip);
ip++;
narg--;
c = ',';
break;
case SYS_getitimer:
case SYS_setitimer:
putchar('(');
print_integer_arg(sysdecode_itimer, *ip);
ip++;
narg--;
c = ',';
break;
}
switch (ktr->ktr_code) {
case SYS_chflagsat:
case SYS_fchownat:
case SYS_faccessat:
case SYS_fchmodat:
case SYS_fstatat:
case SYS_linkat:
case SYS_unlinkat:
case SYS_utimensat:
putchar(',');
print_mask_arg0(sysdecode_atflags, *ip);
ip++;
narg--;
break;
}
*resc = c;
*resip = ip;
*resnarg = narg;
}
static 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');
}
static void
ktrnamei(char *cp, int len)
{
printf("\"%.*s\"\n", len, cp);
}
static void
ktrexecve(char *m, int len)
{
int i = 0;
while (i < len) {
printf("\"%s\"", m + i);
i += strlen(m + i) + 1;
if (i != len) {
printf(", ");
}
}
printf("\n");
}
static void
hexdump(char *p, int len, int screenwidth)
{
int n, i;
int width;
width = 0;
do {
width += 2;
i = 13;
i += (width / 2) + 1;
i += (width * 2);
i += 3;
i += width;
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) {
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");
}
static 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 | VIS_NOLOCALE, *(dp+1));
cp = visbuf;
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");
}
static 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);
}
static 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');
}
static void
ktrcsw_old(struct ktr_csw_old *cs)
{
printf("%s %s\n", cs->out ? "stop" : "resume",
cs->user ? "user" : "kernel");
}
static void
ktrcsw(struct ktr_csw *cs)
{
printf("%s %s \"%s\"\n", cs->out ? "stop" : "resume",
cs->user ? "user" : "kernel", cs->wmesg);
}
static 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");
}
static 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);
}
static void
ktrinotify(struct inotify_event *ev)
{
printf(
"inotify { .wd = %d, .mask = %#x, .cookie = %u, .len = %u, .name = %s }\n",
ev->wd, ev->mask, ev->cookie, ev->len, ev->name);
}
static void
ktritimerval(struct itimerval *it)
{
printf("itimerval { .interval = ");
ktrtimeval(&it->it_interval);
printf(", .value = ");
ktrtimeval(&it->it_value);
printf(" }\n");
}
static void
ktrsockaddr(struct sockaddr *sa)
{
const char *str;
char addr[64];
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;
}
case AF_NETLINK: {
struct sockaddr_nl sa_nl;
memset(&sa_nl, 0, sizeof(sa_nl));
memcpy(&sa_nl, sa, sa->sa_len);
printf("netlink[pid=%u, groups=0x%x]",
sa_nl.nl_pid, sa_nl.nl_groups);
break;
}
default:
printf("unknown address family");
}
printf(" }\n");
}
static void
ktrsplice(struct splice *sp)
{
printf("struct splice { fd=%d, max=%#jx, idle=%jd.%06jd }\n",
sp->sp_fd, (uintmax_t)sp->sp_max, (intmax_t)sp->sp_idle.tv_sec,
(intmax_t)sp->sp_idle.tv_usec);
}
static void
ktrthrparam(struct thr_param *tp)
{
printf("thr param { start=%p arg=%p stack_base=%p "
"stack_size=%#zx tls_base=%p tls_size=%#zx child_tidp=%p "
"parent_tidp=%p flags=",
tp->start_func, tp->arg, tp->stack_base, tp->stack_size,
tp->tls_base, tp->tls_size, tp->child_tid, tp->parent_tid);
print_mask_arg(sysdecode_thr_create_flags, tp->flags);
printf(" rtp=%p }\n", tp->rtp);
}
static void
ktrstat(struct stat *statp)
{
char mode[12], timestr[PATH_MAX + 4];
struct passwd *pwd;
struct group *grp;
struct tm *tm;
printf("struct stat {");
printf("dev=%ju, ino=%ju, ",
(uintmax_t)statp->st_dev, (uintmax_t)statp->st_ino);
if (!resolv)
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) {
pwd = NULL;
} else {
#ifdef WITH_CASPER
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) {
grp = NULL;
} else {
#ifdef WITH_CASPER
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)
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)
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)
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)
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");
}
static void
ktrbitset(char *name, struct bitset *set, size_t setlen)
{
int i, maxi, c = 0;
if (setlen > INT32_MAX)
setlen = INT32_MAX;
maxi = setlen * CHAR_BIT;
printf("%s [ ", name);
for (i = 0; i < maxi; i++) {
if (!BIT_ISSET(setlen, i, set))
continue;
if (c == 0)
printf("%d", i);
else
printf(", %d", i);
c++;
}
if (c == 0)
printf(" empty ]\n");
else
printf(" ]\n");
}
static 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;
struct bitset *set;
for (name = buf, namelen = 0;
namelen < buflen && name[namelen] != '\0';
++namelen)
;
if (namelen == buflen)
goto invalid;
if (name[namelen] != '\0')
goto invalid;
data = buf + namelen + 1;
datalen = buflen - namelen - 1;
if (datalen == 0)
goto invalid;
for (i = 0; i < (int)namelen; ++i)
if (!isalpha(name[i]) && 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, "inotify") == 0) {
struct inotify_event *ev;
if (datalen < sizeof(struct inotify_event) ||
datalen > sizeof(struct inotify_event) + NAME_MAX + 1)
goto invalid;
ev = malloc(datalen);
if (ev == NULL)
err(1, "malloc");
memcpy(ev, data, datalen);
ktrinotify(ev);
} 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 if (strcmp(name, "cpuset_t") == 0) {
if (datalen < 1)
goto invalid;
set = malloc(datalen);
if (set == NULL)
errx(1, "%s", strerror(ENOMEM));
memcpy(set, data, datalen);
ktrbitset(name, set, datalen);
free(set);
} else if (strcmp(name, "splice") == 0) {
struct splice sp;
if (datalen != sizeof(sp))
goto invalid;
memcpy(&sp, data, datalen);
ktrsplice(&sp);
} else if (strcmp(name, "thrparam") == 0) {
struct thr_param tp;
if (datalen != sizeof(tp))
goto invalid;
memcpy(&tp, data, datalen);
ktrthrparam(&tp);
} else {
#ifdef SYSDECODE_HAVE_LINUX
if (ktrstruct_linux(name, data, datalen) == false)
#endif
printf("unknown structure\n");
}
return;
invalid:
printf("invalid record\n");
}
static void
ktrcapfail(struct ktr_cap_fail *ktr)
{
union ktr_cap_data *kcd = &ktr->cap_data;
switch (ktr->cap_type) {
case CAPFAIL_NOTCAPABLE:
printf("operation requires ");
sysdecode_cap_rights(stdout, &kcd->cap_needed);
printf(", descriptor holds ");
sysdecode_cap_rights(stdout, &kcd->cap_held);
break;
case CAPFAIL_INCREASE:
printf("attempt to increase capabilities from ");
sysdecode_cap_rights(stdout, &kcd->cap_held);
printf(" to ");
sysdecode_cap_rights(stdout, &kcd->cap_needed);
break;
case CAPFAIL_SYSCALL:
printf("system call not allowed: ");
syscallname(ktr->cap_code, ktr->cap_svflags);
if (syscallabi(ktr->cap_svflags) == SYSDECODE_ABI_FREEBSD) {
switch (ktr->cap_code) {
case SYS_sysarch:
printf(", op: ");
print_integer_arg(sysdecode_sysarch_number,
kcd->cap_int);
break;
case SYS_fcntl:
printf(", cmd: ");
print_integer_arg(sysdecode_fcntl_cmd,
kcd->cap_int);
break;
}
}
break;
case CAPFAIL_SIGNAL:
syscallname(ktr->cap_code, ktr->cap_svflags);
printf(": signal delivery not allowed: ");
print_integer_arg(sysdecode_signal, kcd->cap_int);
break;
case CAPFAIL_PROTO:
syscallname(ktr->cap_code, ktr->cap_svflags);
printf(": protocol not allowed: ");
print_integer_arg(sysdecode_ipproto, kcd->cap_int);
break;
case CAPFAIL_SOCKADDR:
syscallname(ktr->cap_code, ktr->cap_svflags);
printf(": restricted address lookup: ");
ktrsockaddr(&kcd->cap_sockaddr);
return;
case CAPFAIL_NAMEI:
syscallname(ktr->cap_code, ktr->cap_svflags);
printf(": restricted VFS lookup: %s\n", kcd->cap_path);
return;
case CAPFAIL_CPUSET:
syscallname(ktr->cap_code, ktr->cap_svflags);
printf(": restricted cpuset operation\n");
return;
default:
syscallname(ktr->cap_code, ktr->cap_svflags);
printf(": unknown capability failure\n");
return;
}
printf("\n");
}
static void
ktrfault(struct ktr_fault *ktr)
{
printf("0x%jx ", (uintmax_t)ktr->vaddr);
print_mask_arg(sysdecode_vmprot, ktr->type);
printf("\n");
}
static 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");
}
static void
ktrkevent(struct kevent *kev)
{
printf("{ ident=");
switch (kev->filter) {
case EVFILT_READ:
case EVFILT_WRITE:
case EVFILT_VNODE:
case EVFILT_PROC:
case EVFILT_TIMER:
case EVFILT_PROCDESC:
case EVFILT_EMPTY:
printf("%ju", (uintmax_t)kev->ident);
break;
case EVFILT_SIGNAL:
print_signal(kev->ident);
break;
default:
printf("%p", (void *)kev->ident);
}
printf(", filter=");
print_integer_arg(sysdecode_kevent_filter, kev->filter);
printf(", flags=");
print_mask_arg0(sysdecode_kevent_flags, kev->flags);
printf(", fflags=");
sysdecode_kevent_fflags(stdout, kev->filter, kev->fflags,
decimal ? 10 : 16);
printf(", data=%#jx, udata=%p }", (uintmax_t)kev->data, kev->udata);
}
static void
ktrpollfd(struct pollfd *pfd)
{
printf("{ fd=%d", pfd->fd);
printf(", events=");
print_mask_arg0(sysdecode_pollfd_events, pfd->events);
printf(", revents=");
print_mask_arg0(sysdecode_pollfd_events, pfd->revents);
printf("}");
}
static void
ktrstructarray(struct ktr_struct_array *ksa, size_t buflen)
{
struct kevent kev;
struct pollfd pfd;
char *name, *data;
size_t namelen, datalen;
int i;
bool first;
buflen -= sizeof(*ksa);
for (name = (char *)(ksa + 1), namelen = 0;
namelen < buflen && name[namelen] != '\0';
++namelen)
;
if (namelen == buflen)
goto invalid;
if (name[namelen] != '\0')
goto invalid;
for (i = 0; i < (int)namelen; ++i)
if (!isalnum(name[i]) && name[i] != '_')
goto invalid;
data = name + namelen + 1;
datalen = buflen - namelen - 1;
printf("struct %s[] = { ", name);
first = true;
for (; datalen >= ksa->struct_size;
data += ksa->struct_size, datalen -= ksa->struct_size) {
if (!first)
printf("\n ");
else
first = false;
if (strcmp(name, "kevent") == 0) {
if (ksa->struct_size != sizeof(kev))
goto bad_size;
memcpy(&kev, data, sizeof(kev));
ktrkevent(&kev);
} else if (strcmp(name, "freebsd11_kevent") == 0) {
struct freebsd11_kevent kev11;
if (ksa->struct_size != sizeof(kev11))
goto bad_size;
memcpy(&kev11, data, sizeof(kev11));
memset(&kev, 0, sizeof(kev));
kev.ident = kev11.ident;
kev.filter = kev11.filter;
kev.flags = kev11.flags;
kev.fflags = kev11.fflags;
kev.data = kev11.data;
kev.udata = kev11.udata;
ktrkevent(&kev);
#ifdef _WANT_KEVENT32
} else if (strcmp(name, "kevent32") == 0) {
struct kevent32 kev32;
if (ksa->struct_size != sizeof(kev32))
goto bad_size;
memcpy(&kev32, data, sizeof(kev32));
memset(&kev, 0, sizeof(kev));
kev.ident = kev32.ident;
kev.filter = kev32.filter;
kev.flags = kev32.flags;
kev.fflags = kev32.fflags;
memcpy(&kev.data, &kev32.data, sizeof(kev.data));
kev.udata = (void *)(uintptr_t)kev32.udata;
ktrkevent(&kev);
} else if (strcmp(name, "freebsd11_kevent32") == 0) {
struct freebsd11_kevent32 kev32;
if (ksa->struct_size != sizeof(kev32))
goto bad_size;
memcpy(&kev32, data, sizeof(kev32));
memset(&kev, 0, sizeof(kev));
kev.ident = kev32.ident;
kev.filter = kev32.filter;
kev.flags = kev32.flags;
kev.fflags = kev32.fflags;
kev.data = kev32.data;
kev.udata = (void *)(uintptr_t)kev32.udata;
ktrkevent(&kev);
#endif
} else if (strcmp(name, "pollfd") == 0) {
if (ksa->struct_size != sizeof(pfd))
goto bad_size;
memcpy(&pfd, data, sizeof(pfd));
ktrpollfd(&pfd);
} else {
printf("<unknown structure> }\n");
return;
}
}
printf(" }\n");
return;
invalid:
printf("invalid record\n");
return;
bad_size:
printf("<bad size> }\n");
return;
}
static void
ktrexterr(struct ktr_exterr *ke)
{
struct uexterror *ue;
ue = &ke->ue;
printf("{ errno %d category %u (src line %u) p1 %#jx p2 %#jx %s }\n",
ue->error, ue->cat, ue->src_line,
(uintmax_t)ue->p1, (uintmax_t)ue->p2, ue->msg);
}
static void
usage(void)
{
fprintf(stderr, "usage: kdump [-dEnlHRrSsTA] [-f trfile] "
"[-m maxdata] [-p pid] [-t trstr]\n");
exit(1);
}
