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quark.c
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#include <sys/epoll.h>
#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <fts.h>
#include <limits.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <time.h>
#include <unistd.h>
#include "quark.h"
#define AGE(_ts, _now) ((_ts) > (_now) ? 0 : (_now) - (_ts))
static int raw_event_by_time_cmp(struct raw_event *, struct raw_event *);
static int raw_event_by_pidtime_cmp(struct raw_event *, struct raw_event *);
static int event_by_pid_cmp(struct quark_event *, struct quark_event *);
/* For debugging */
int quark_verbose;
RB_PROTOTYPE(event_by_pid, quark_event,
entry_by_pid, event_by_pid_cmp);
RB_GENERATE(event_by_pid, quark_event,
entry_by_pid, event_by_pid_cmp);
RB_PROTOTYPE(raw_event_by_time, raw_event,
entry_by_time, raw_event_by_time_cmp);
RB_GENERATE(raw_event_by_time, raw_event,
entry_by_time, raw_event_by_time_cmp);
RB_PROTOTYPE(raw_event_by_pidtime, raw_event,
entry_by_pidtime, raw_event_by_pidtime_cmp);
RB_GENERATE(raw_event_by_pidtime, raw_event,
entry_by_pidtime, raw_event_by_pidtime_cmp);
struct quark {
unsigned int hz;
u64 boottime;
} quark;
struct raw_event *
raw_event_alloc(int type)
{
struct raw_event *raw;
if ((raw = calloc(1, sizeof(*raw))) == NULL)
return (NULL);
raw->type = type;
TAILQ_INIT(&raw->agg_queue);
switch (raw->type) {
case RAW_WAKE_UP_NEW_TASK: /* FALLTHROUGH */
case RAW_EXIT_THREAD:
raw->task.exit_code = -1;
qstr_init(&raw->task.cwd);
break;
case RAW_EXEC:
qstr_init(&raw->exec.filename);
qstr_init(&raw->exec.ext.args);
qstr_init(&raw->exec.ext.task.cwd);
break;
case RAW_EXEC_CONNECTOR:
qstr_init(&raw->exec_connector.args);
break;
case RAW_COMM: /* nada */
break;
default:
warnx("%s: unhandled raw_type %d", __func__, raw->type);
free(raw);
return (NULL);
}
return (raw);
}
void
raw_event_free(struct raw_event *raw)
{
struct raw_event *aux;
switch (raw->type) {
case RAW_WAKE_UP_NEW_TASK:
case RAW_EXIT_THREAD:
qstr_free(&raw->task.cwd);
break;
case RAW_EXEC:
qstr_free(&raw->exec.filename);
qstr_free(&raw->exec.ext.task.cwd);
qstr_free(&raw->exec.ext.args);
break;
case RAW_EXEC_CONNECTOR:
qstr_free(&raw->exec_connector.args);
break;
case RAW_COMM: /* nada */
break;
default:
warnx("%s: unhandled raw_type %d", __func__, raw->type);
break;
}
while ((aux = TAILQ_FIRST(&raw->agg_queue)) != NULL) {
TAILQ_REMOVE(&raw->agg_queue, aux, agg_entry);
raw_event_free(aux);
}
free(raw);
}
static int
raw_event_by_time_cmp(struct raw_event *a, struct raw_event *b)
{
if (a->time < b->time)
return (-1);
else
return (a->time > b->time);
}
/* XXX this should be by tid, but we're not there yet XXX */
static int
raw_event_by_pidtime_cmp(struct raw_event *a, struct raw_event *b)
{
if (a->pid < b->pid)
return (-1);
else if (a->pid > b->pid)
return (1);
if (a->time < b->time)
return (-1);
else
return (a->time > b->time);
}
static inline u64
now64(void)
{
struct timespec ts;
if (clock_gettime(CLOCK_MONOTONIC, &ts) == -1)
err(1, "clock_gettime");
return ((u64)ts.tv_sec * (u64)NS_PER_S + (u64)ts.tv_nsec);
}
static inline u64
raw_event_age(struct raw_event *raw, u64 now)
{
return AGE(raw->time, now);
}
/*
* Target age is the duration in ns of how long should we hold the event in the
* tree before processing it. It's a function of the number of items in the tree
* and its maximum capacity:
* from [0; 10%] -> 1000ms
* from [90%; 100%] -> 0ms
* from (10%; 90%) -> linear from 1000ms -> 100ms
*/
static u64
raw_event_target_age(struct quark_queue *qq)
{
int v;
if (qq->length < (qq->max_length / 10))
v = qq->hold_time;
else if (qq->length < ((qq->max_length / 10) * 9)) {
v = qq->hold_time -
(qq->length / (qq->max_length / qq->hold_time)) + 1;
} else
v = 0;
return ((u64)MS_TO_NS(v));
}
static inline int
raw_event_expired(struct quark_queue *qq, struct raw_event *raw, u64 now)
{
u64 target;
target = raw_event_target_age(qq);
return (raw_event_age(raw, now) >= target);
}
/*
* Insert without a colision, cheat on the timestamp in case we do. NOTE: since
* we bump "time" here, we shouldn't copy "time" before it sits in the tree.
*/
void
raw_event_insert(struct quark_queue *qq, struct raw_event *raw)
{
struct raw_event *col;
int attempts = 10;
/*
* Link it first by time
*/
do {
col = RB_INSERT(raw_event_by_time, &qq->raw_event_by_time, raw);
if (likely(col == NULL))
break;
/*
* We managed to get a collision on the TSC, this happens!
* We just bump time by one until we can insert it.
*/
raw->time++;
warnx("raw_event_by_time collision");
} while (--attempts > 0);
if (unlikely(col != NULL))
err(1, "we got consecutive collisions, this is a bug");
/*
* Link it in the combined tree, we accept no collisions here as the
* above case already saves us, but trust nothing.
*/
/* XXX this should be by tid, but we're not there yet XXX */
col = RB_INSERT(raw_event_by_pidtime, &qq->raw_event_by_pidtime, raw);
if (unlikely(col != NULL))
err(1, "collision on pidtime tree, this is a bug");
/* if (qq->min == NULL || raw_event_by_time_cmp(raw, qq->min) == -1) */
/* qq->min = raw; */
qq->length++;
qq->stats.insertions++;
}
static void
raw_event_remove(struct quark_queue *qq, struct raw_event *raw)
{
RB_REMOVE(raw_event_by_time, &qq->raw_event_by_time, raw);
RB_REMOVE(raw_event_by_pidtime, &qq->raw_event_by_pidtime, raw);
/* if (qq->min == raw) qq->min = NULL */
qq->length--;
qq->stats.removals++;
}
static int
tty_type(int major, int minor)
{
if (major >= 136 && major <= 143)
return (QUARK_TTY_PTS);
if (major == 4) {
if (minor <= 63)
return (QUARK_TTY_CONSOLE);
else if (minor <= 255)
return (QUARK_TTY_TTY);
}
return (QUARK_TTY_UNKNOWN);
}
/* buf_len includes the terminating NUL */
static int
args_to_spaces(char *buf, size_t buf_len)
{
char *p, *last;
if (buf_len == 0)
return (-1);
/* last points to the last NUL */
last = &buf[buf_len - 1];
if (*last != 0)
return (-1);
for (p = buf + strlen(buf); p != last; p += strlen(p))
*p = ' ';
return (0);
}
static void
event_copy_fields(struct quark_event *dst, struct quark_event *src)
{
char *p;
u_int i;
#define MCPY(_f, _l) \
do { \
memcpy(dst->_f, src->_f, src->_l); \
for (i = 0; i < src->_l; i++) { \
p = (char *)dst->_f + i; \
if (*p == 0) \
continue; \
if (!isprint(*p)) \
*p = '?'; \
} \
} while (0)
#define STCPY(_f) \
do { \
strlcpy(dst->_f, src->_f, sizeof(dst->_f)); \
for (p = dst->_f; *p != 0; p++) { \
if (!isprint(*p)) \
*p = '?'; \
} \
} while (0)
#define CPY(_f) dst->_f = src->_f
CPY(flags);
if (src->flags & QUARK_F_PROC) {
CPY(proc_cap_inheritable);
CPY(proc_cap_permitted);
CPY(proc_cap_effective);
CPY(proc_cap_bset);
CPY(proc_cap_ambient);
CPY(proc_time_boot);
CPY(proc_ppid);
CPY(proc_uid);
CPY(proc_gid);
CPY(proc_suid);
CPY(proc_sgid);
CPY(proc_euid);
CPY(proc_egid);
CPY(proc_pgid);
CPY(proc_sid);
CPY(proc_tty_major);
CPY(proc_tty_minor);
CPY(proc_entry_leader_type);
CPY(proc_entry_leader);
}
if (src->flags & QUARK_F_EXIT) {
CPY(exit_code);
CPY(exit_time_event);
}
if (src->flags & QUARK_F_COMM)
STCPY(comm);
if (src->flags & QUARK_F_FILENAME)
STCPY(filename);
if (src->flags & QUARK_F_CMDLINE) {
CPY(cmdline_len);
MCPY(cmdline, cmdline_len);
}
if (src->flags & QUARK_F_CWD)
STCPY(cwd);
#undef CPY
#undef STCPY
#undef MCPY
}
static void
event_copy_out(struct quark_event *dst, struct quark_event *src, u64 events)
{
bzero(&dst->quark_event_zero_start,
(char *)&dst->quark_event_zero_end - (char *)&dst->quark_event_zero_start);
dst->events = events;
dst->pid = src->pid;
event_copy_fields(dst, src);
}
static struct quark_event *
event_cache_get(struct quark_queue *qq, int pid, int alloc)
{
struct quark_event key;
struct quark_event *qev;
key.pid = pid;
qev = RB_FIND(event_by_pid, &qq->event_by_pid, &key);
if (qev != NULL)
return (qev);
if (!alloc) {
errno = ESRCH;
return (NULL);
}
qev = calloc(1, sizeof(*qev));
if (qev == NULL)
return (NULL);
qev->pid = pid;
if (RB_INSERT(event_by_pid, &qq->event_by_pid, qev) != NULL) {
warnx("collision, this is a bug");
free(qev);
return (NULL);
}
return (qev);
}
static void
event_cache_inherit(struct quark_queue *qq, struct quark_event *qev, int ppid)
{
struct quark_event *parent;
if ((parent = event_cache_get(qq, ppid, 0)) == NULL)
return;
if (parent->flags & QUARK_F_COMM) {
qev->flags |= QUARK_F_COMM;
strlcpy(qev->comm, parent->comm, sizeof(qev->comm));
}
if (parent->flags & QUARK_F_FILENAME) {
qev->flags |= QUARK_F_FILENAME;
strlcpy(qev->filename, parent->filename, sizeof(qev->filename));
}
/* Do we really want CMDLINE? */
if (parent->flags & QUARK_F_CMDLINE) {
qev->flags |= QUARK_F_CMDLINE;
qev->cmdline_len = parent->cmdline_len;
memcpy(qev->cmdline, parent->cmdline, parent->cmdline_len);
}
}
static void
event_cache_delete(struct quark_queue *qq, struct quark_event *qev)
{
RB_REMOVE(event_by_pid, &qq->event_by_pid, qev);
if (qev->gc_time)
TAILQ_REMOVE(&qq->event_gc, qev, entry_gc);
free(qev);
}
static int
event_cache_gc(struct quark_queue *qq)
{
struct quark_event *qev;
u64 now;
int n;
now = now64();
n = 0;
while ((qev = TAILQ_FIRST(&qq->event_gc)) != NULL) {
if (AGE(qev->gc_time, now) < qq->cache_grace_time)
break;
event_cache_delete(qq, qev);
n++;
}
return (n);
}
static int
event_by_pid_cmp(struct quark_event *a, struct quark_event *b)
{
if (a->pid < b->pid)
return (-1);
else if (a->pid > b->pid)
return (1);
return (0);
}
static const char *
event_flag_str(u64 flag)
{
switch (flag) {
case QUARK_F_PROC:
return "PROC";
case QUARK_F_EXIT:
return "EXIT";
case QUARK_F_COMM:
return "COMM";
case QUARK_F_FILENAME:
return "FILENAME";
case QUARK_F_CMDLINE:
return "CMDLINE";
case QUARK_F_CWD:
return "CWD";
default:
return "?";
}
}
static const char *
event_type_str(u64 event)
{
switch (event) {
case QUARK_EV_FORK:
return "FORK";
case QUARK_EV_EXEC:
return "EXEC";
case QUARK_EV_EXIT:
return "EXIT";
case QUARK_EV_SETPROCTITLE:
return "SETPROCTITLE";
case QUARK_EV_SNAPSHOT:
return "SNAPSHOT";
default:
return "?";
}
}
static int
events_type_str(u64 events, char *buf, size_t len)
{
int i, n;
u64 ev;
if (len == 0)
return (-1);
for (i = 0, n = 0, *buf = 0; i < 64; i++) {
ev = (u64)1 << i;
if ((events & ev) == 0)
continue;
if (n > 0)
if (strlcat(buf, "+", len) >= len)
return (-1);
if (strlcat(buf, event_type_str(ev), len) >= len)
return (-1);
n++;
}
return (0);
}
static int
entry_leader_compute(struct quark_queue *qq, struct quark_event *qev)
{
struct quark_event *parent;
char *basename, *p_basename;
int tty;
int is_ses_leader;
if ((qq->flags & QQ_ENTRY_LEADER) == 0)
return (0);
/*
* Init
*/
if (qev->pid == 1) {
qev->proc_entry_leader_type = QUARK_ELT_INIT;
qev->proc_entry_leader = 1;
return (0);
}
is_ses_leader = qev->pid == qev->proc_sid;
/*
* All kthreads are QUARK_ELT_KTHREAD;
*/
if (qev->pid == 2 || qev->proc_ppid == 2) {
qev->proc_entry_leader_type = QUARK_ELT_KTHREAD;
qev->proc_entry_leader = is_ses_leader ? qev->pid : 2;
return (0);
}
tty = tty_type(qev->proc_tty_major, qev->proc_tty_minor);
basename = strrchr(qev->filename, '/');
if (basename == NULL)
basename = "";
else
basename++;
/*
* CONSOLE only considers the login process, keep the same behaviour
* from other elastic products.
*/
if (is_ses_leader) {
if (tty == QUARK_TTY_TTY) {
qev->proc_entry_leader_type = QUARK_ELT_TERM;
qev->proc_entry_leader = qev->pid;
return (0);
}
if (tty == QUARK_TTY_CONSOLE && !strcmp(basename, "login")) {
qev->proc_entry_leader_type = QUARK_ELT_TERM;
qev->proc_entry_leader = qev->pid;
return (0);
}
}
/*
* Fetch the parent
*/
parent = event_cache_get(qq, qev->proc_ppid, 0);
if (parent == NULL || parent->proc_entry_leader_type == QUARK_ELT_UNKNOWN)
return (-1);
/*
* Since we didn't hit anything, inherit from parent. Non leaders are
* done.
*/
qev->proc_entry_leader_type = parent->proc_entry_leader_type;
qev->proc_entry_leader = parent->proc_entry_leader;
if (!is_ses_leader)
return (0);
#define STARTS_WITH(_x, _y) (!strncmp(_x, _y, strlen(_y)))
/*
* Filter these out, keep same behaviour of other elastic products.
*/
if (STARTS_WITH(basename, "runc") ||
STARTS_WITH(basename, "containerd-shim") ||
STARTS_WITH(basename, "calico-node") ||
STARTS_WITH(basename, "check-status") ||
STARTS_WITH(basename, "pause") ||
STARTS_WITH(basename, "conmon"))
return (0);
p_basename = strrchr(parent->filename, '/');
if (p_basename == NULL)
p_basename = "";
else
p_basename++;
/*
* SSM.
*/
if (tty == QUARK_TTY_PTS &&
!strcmp(p_basename, "ssm-session-worker")) {
qev->proc_entry_leader_type = QUARK_ELT_SSM;
qev->proc_entry_leader = qev->pid;
return (0);
}
/*
* SSHD. If we're a direct descendant of sshd, but we're not sshd
* ourselves: we're an entry group leader for sshd.
*/
if (!strcmp(p_basename, "sshd") && strcmp(basename, "sshd")) {
qev->proc_entry_leader_type = QUARK_ELT_SSHD;
qev->proc_entry_leader = qev->pid;
return (0);
}
/*
* Container. Similar dance to sshd but more names, cloud-defend ignores
* basename here.
*/
if (STARTS_WITH(p_basename, "containerd-shim") ||
STARTS_WITH(p_basename, "runc") ||
STARTS_WITH(p_basename, "conmon")) {
qev->proc_entry_leader_type = QUARK_ELT_CONTAINER;
qev->proc_entry_leader = qev->pid;
return (0);
}
#undef STARTS_WITH
if (qev->proc_entry_leader == QUARK_ELT_UNKNOWN)
warnx("%d (%s) is UNKNOWN (tty=%d)",
qev->pid, qev->filename, tty);
return (0);
}
struct proc_node {
u32 pid;
TAILQ_ENTRY(proc_node) entry;
};
TAILQ_HEAD(proc_node_list, proc_node);
static int
entry_leader_build_walklist(struct quark_queue *qq, struct proc_node_list *list)
{
struct proc_node *node, *new_node;
struct quark_event *qev;
TAILQ_INIT(list);
/*
* Look for the root nodes, this is init(pid = 1) and kthreadd(pid = 2),
* but maybe there's something else in the future or in the past so
* don't hardcode.
*/
RB_FOREACH(qev, event_by_pid, &qq->event_by_pid) {
if (qev->proc_ppid != 0)
continue;
new_node = calloc(1, sizeof(*new_node));
if (new_node == NULL)
goto fail;
new_node->pid = qev->pid;
TAILQ_INSERT_TAIL(list, new_node, entry);
}
/*
* Now do the "recursion"
*/
TAILQ_FOREACH(node, list, entry) {
RB_FOREACH(qev, event_by_pid, &qq->event_by_pid) {
if (qev->proc_ppid != node->pid)
continue;
new_node = calloc(1, sizeof(*new_node));
if (new_node == NULL)
goto fail;
new_node->pid = qev->pid;
TAILQ_INSERT_TAIL(list, new_node, entry);
}
}
return (0);
fail:
while ((node = TAILQ_FIRST(list)) != NULL) {
TAILQ_REMOVE(list, node, entry);
free(node);
}
return (-1);
}
static int
entry_leaders_build(struct quark_queue *qq)
{
struct quark_event *qev;
struct proc_node *node;
struct proc_node_list list;
if ((qq->flags & QQ_ENTRY_LEADER) == 0)
return (0);
if (entry_leader_build_walklist(qq, &list) == -1)
return (-1);
while ((node = TAILQ_FIRST(&list)) != NULL) {
qev = event_cache_get(qq, node->pid, 0);
if (qev == NULL)
goto fail;
if (entry_leader_compute(qq, qev) == -1)
warnx("unknown entry_leader for pid %d", qev->pid);
TAILQ_REMOVE(&list, node, entry);
free(node);
}
return (0);
fail:
while ((node = TAILQ_FIRST(&list)) != NULL) {
TAILQ_REMOVE(&list, node, entry);
free(node);
}
return (-1);
}
static const char *
entry_leader_type_str(u32 entry_leader_type)
{
switch (entry_leader_type) {
case QUARK_ELT_UNKNOWN:
return "UNKNOWN";
case QUARK_ELT_INIT:
return "INIT";
case QUARK_ELT_KTHREAD:
return "KTHREAD";
case QUARK_ELT_SSHD:
return "SSHD";
case QUARK_ELT_SSM:
return "SSM";
case QUARK_ELT_CONTAINER:
return "CONTAINER";
case QUARK_ELT_TERM:
return "TERM";
case QUARK_ELT_CONSOLE:
return "CONSOLE";
default:
return "?";
}
}
/* User facing version of event_cache_lookup() */
int
quark_event_lookup(struct quark_queue *qq, struct quark_event *dst, int pid)
{
struct quark_event *qev;
qev = event_cache_get(qq, pid, 0);
if (qev == NULL)
return (-1);
event_copy_out(dst, qev, 0);
return (0);
}
#define P(...) \
do { \
if (fprintf(f, __VA_ARGS__) < 0) \
return (-1); \
} while(0)
int
quark_event_dump(struct quark_event *qev, FILE *f)
{
const char *flagname;
char events[1024];
/* TODO: add tid */
events_type_str(qev->events, events, sizeof(events));
P("->%d (%s)\n", qev->pid, events);
if (qev->flags & QUARK_F_COMM) {
flagname = event_flag_str(QUARK_F_COMM);
P(" %.4s\tcomm=%s\n", flagname, qev->comm);
}
if (qev->flags & QUARK_F_CMDLINE) {
flagname = event_flag_str(QUARK_F_CMDLINE);
if (0) {
args_to_spaces(qev->cmdline, qev->cmdline_len);
P(" %.4s\tcmdline=%s\n", flagname, qev->cmdline);
} else {
int i;
struct args *args;
P(" %.4s\tcmdline=", flagname);
P("[ ");
args = args_make(qev);
if (args == NULL)
P("(%s)", strerror(errno));
else {
for (i = 0; i < args->argc; i++) {
if (i > 0)
P(", ");
P("%s", args->argv[i]);
}
args_free(args);
}
P(" ]\n");
}
}
if (qev->flags & QUARK_F_PROC) {
flagname = event_flag_str(QUARK_F_PROC);
P(" %.4s\tppid=%d\n", flagname, qev->proc_ppid);
P(" %.4s\tuid=%d gid=%d suid=%d sgid=%d "
"euid=%d egid=%d pgid=%d sid=%d\n",
flagname, qev->proc_uid, qev->proc_gid, qev->proc_suid,
qev->proc_sgid, qev->proc_euid, qev->proc_egid,
qev->proc_pgid, qev->proc_sid);
P(" %.4s\tcap_inheritable=0x%llx cap_permitted=0x%llx "
"cap_effective=0x%llx\n",
flagname, qev->proc_cap_inheritable,
qev->proc_cap_permitted, qev->proc_cap_effective);
P(" %.4s\tcap_bset=0x%llx cap_ambient=0x%llx\n",
flagname, qev->proc_cap_bset, qev->proc_cap_ambient);
P(" %.4s\ttime_boot=%llu tty_major=%d tty_minor=%d\n",
flagname, qev->proc_time_boot,
qev->proc_tty_major, qev->proc_tty_minor);
P(" %.4s\tentry_leader_type=%s entry_leader=%d\n", flagname,
entry_leader_type_str(qev->proc_entry_leader_type),
qev->proc_entry_leader);
}
if (qev->flags & QUARK_F_CWD) {
flagname = event_flag_str(QUARK_F_CWD);
P(" %.4s\tcwd=%s\n", flagname, qev->cwd);
}
if (qev->flags & QUARK_F_FILENAME) {
flagname = event_flag_str(QUARK_F_FILENAME);
P(" %.4s\tfilename=%s\n", flagname, qev->filename);
}
if (qev->flags & QUARK_F_EXIT) {
flagname = event_flag_str(QUARK_F_EXIT);
P(" %.4s\texit_code=%d exit_time=%llu\n", flagname,
qev->exit_code, qev->exit_time_event);
}
fflush(f);
return (0);
}
#undef P
static int
raw_event_to_quark_event(struct quark_queue *qq, struct raw_event *raw, struct quark_event *dst)
{
struct quark_event *qev;
struct raw_event *agg;
struct raw_task *raw_task, *raw_exit;
struct raw_comm *raw_comm;
struct raw_exec *raw_exec;
struct raw_exec_connector *raw_exec_connector;
char *comm;
char *cwd;
char *args;
size_t args_len;
int do_cache;
u64 events;
raw_task = NULL;
raw_exit = NULL;
raw_comm = NULL;
raw_exec = NULL;
raw_exec_connector = NULL;
comm = NULL;
cwd = NULL;
args = NULL;
args_len = 0;
do_cache = (qq->flags & QQ_NO_CACHE) == 0;
if (do_cache) {
/* XXX pass if this is a fork down, so we can evict the old one XXX */
qev = event_cache_get(qq, raw->pid, 1);
if (qev == NULL)
return (-1);
} else {
qev = dst;
qev->pid = raw->pid;
qev->flags = 0;
}
events = 0;
switch (raw->type) {
case RAW_WAKE_UP_NEW_TASK:
events |= QUARK_EV_FORK;
raw_task = &raw->task;
break;
case RAW_EXEC:
events |= QUARK_EV_EXEC;
raw_exec = &raw->exec;
break;
case RAW_EXIT_THREAD:
events |= QUARK_EV_EXIT;
raw_exit = &raw->task;
break;
case RAW_COMM:
events |= QUARK_EV_SETPROCTITLE;
raw_comm = &raw->comm;
break;
case RAW_EXEC_CONNECTOR:
events |= QUARK_EV_EXEC;
raw_exec_connector = &raw->exec_connector;
break;
default:
return (errno = EINVAL, -1);
break; /* NOTREACHED */
};
TAILQ_FOREACH(agg, &raw->agg_queue, agg_entry) {
switch (agg->type) {
case RAW_WAKE_UP_NEW_TASK:
raw_task = &agg->task;
events |= QUARK_EV_FORK;
break;
case RAW_EXEC:
events |= QUARK_EV_EXEC;
raw_exec = &agg->exec;
break;
case RAW_EXIT_THREAD:
events |= QUARK_EV_EXIT;
raw_exit = &agg->task;
break;
case RAW_COMM:
events |= QUARK_EV_SETPROCTITLE;
raw_comm = &agg->comm;
break;
case RAW_EXEC_CONNECTOR:
events |= QUARK_EV_EXEC;
raw_exec_connector = &agg->exec_connector;
break;
default:
break;
}
}
/* QUARK_F_PROC */
if (raw_task != NULL) {
qev->flags |= QUARK_F_PROC;
if (events & QUARK_EV_FORK)
event_cache_inherit(qq, qev, raw_task->ppid);
qev->proc_cap_inheritable = raw_task->cap_inheritable;
qev->proc_cap_permitted = raw_task->cap_permitted;
qev->proc_cap_effective = raw_task->cap_effective;
qev->proc_cap_bset = raw_task->cap_bset;
qev->proc_cap_ambient = raw_task->cap_ambient;
qev->proc_time_boot = quark.boottime + raw_task->start_boottime;
qev->proc_ppid = raw_task->ppid;
qev->proc_uid = raw_task->uid;
qev->proc_gid = raw_task->gid;
qev->proc_suid = raw_task->suid;
qev->proc_sgid = raw_task->sgid;
qev->proc_euid = raw_task->euid;
qev->proc_egid = raw_task->egid;
qev->proc_pgid = raw_task->pgid;
qev->proc_sid = raw_task->sid;
qev->proc_tty_major = raw_task->tty_major;
qev->proc_tty_minor = raw_task->tty_minor;
cwd = raw_task->cwd.p;
comm = raw_task->comm;
}
if (raw_exit != NULL) {
qev->flags |= QUARK_F_EXIT;
qev->exit_code = raw_exit->exit_code;
if (raw_exit->exit_time_event)