void *probe_worker_runfn(void *arg)
{
probe_pwpair_t *pair = (probe_pwpair_t *)arg;
SEXP_t *probe_res, *obj, *oid;
int probe_ret;
#if defined(HAVE_PTHREAD_SETNAME_NP)
pthread_setname_np(pthread_self(), "probe_worker");
#endif
dD("handling SEAP message ID %u", pair->pth->sid);
//
probe_ret = -1;
probe_res = pair->pth->msg_handler(pair->probe, pair->pth->msg, &probe_ret);
//
dD("handler result = %p, return code = %d", probe_res, probe_ret);
/* Assuming that the red-black tree API is doing locking for us... */
if (rbt_i32_del(pair->probe->workers, pair->pth->sid, NULL) != 0) {
dW("thread not found in the probe thread tree, probably canceled by an external signal");
/*
* XXX: this is a possible deadlock; we can't send anything from
* here because the signal handler replied to the message
*/
arg = NULL;
SEAP_msg_free(pair->pth->msg);
SEXP_free(probe_res);
oscap_free(pair);
return (NULL);
} else {
SEXP_t *items;
dD("probe thread deleted");
obj = SEAP_msg_get(pair->pth->msg);
oid = probe_obj_getattrval(obj, "id");
items = probe_cobj_get_items(probe_res);
if (items != NULL) {
SEXP_list_sort(items, SEXP_refcmp);
SEXP_free(items);
}
if (probe_rcache_sexp_add(pair->probe->rcache, oid, probe_res) != 0) {
/* TODO */
abort();
}
SEXP_vfree(obj, oid, NULL);
}
if (probe_ret != 0) {
/*
* Something bad happened. A hint of the cause is stored as a error code in
* probe_ret (should be). We'll send it to the library using a SEAP error packet.
*/
if (SEAP_replyerr(pair->probe->SEAP_ctx, pair->probe->sd, pair->pth->msg, probe_ret) == -1) {
int ret = errno;
dE("An error ocured while sending error status. errno=%u, %s.", errno, strerror(errno));
SEXP_free(probe_res);
/* FIXME */
exit(ret);
}
SEXP_free(probe_res);
} else {
SEAP_msg_t *seap_reply;
/*
* OK, the probe actually returned something, let's send it to the library.
*/
seap_reply = SEAP_msg_new();
SEAP_msg_set(seap_reply, probe_res);
if (SEAP_reply(pair->probe->SEAP_ctx, pair->probe->sd, seap_reply, pair->pth->msg) == -1) {
int ret = errno;
SEAP_msg_free(seap_reply);
SEXP_free(probe_res);
exit(ret);
}
SEAP_msg_free(seap_reply);
SEXP_free(probe_res);
}
SEAP_msg_free(pair->pth->msg);
oscap_free(pair->pth);
oscap_free(pair);
pthread_detach(pthread_self());
return (NULL);
}
static struct oval_sysent *oval_sexp_to_sysent(struct oval_syschar_model *model, struct oval_sysitem *item, SEXP_t * sexp, struct oval_string_map *mask_map)
{
char *key;
oval_syschar_status_t status;
oval_datatype_t dt;
struct oval_sysent *ent;
key = probe_ent_getname(sexp);
if (!key)
return NULL;
if (strcmp("message", key) == 0 && item != NULL) {
struct oval_message *msg;
oval_message_level_t lvl;
SEXP_t *lvl_sexp, *txt_sexp;
char txt[1024];
lvl_sexp = probe_obj_getattrval(sexp, "level");
lvl = SEXP_number_getu_32(lvl_sexp);
txt_sexp = probe_ent_getval(sexp);
SEXP_string_cstr_r(txt_sexp, txt, sizeof txt);
SEXP_vfree(lvl_sexp, txt_sexp);
/* TODO: sanity checks */
msg = oval_message_new();
oval_message_set_level(msg, lvl);
oval_message_set_text(msg, txt);
oval_sysitem_add_message(item, msg);
return (NULL);
}
status = probe_ent_getstatus(sexp);
dt = probe_ent_getdatatype(sexp);
ent = oval_sysent_new(model);
oval_sysent_set_name(ent, key);
oval_sysent_set_status(ent, status);
oval_sysent_set_datatype(ent, dt);
if (mask_map == NULL || oval_string_map_get_value(mask_map, key) == NULL)
oval_sysent_set_mask(ent, 0);
else
oval_sysent_set_mask(ent, 1);
if (status != SYSCHAR_STATUS_EXISTS)
return ent;
if (dt == OVAL_DATATYPE_RECORD) {
SEXP_t *srf, *srfs;
probe_ent_getvals(sexp, &srfs);
SEXP_list_foreach(srf, srfs) {
struct oval_record_field *rf;
rf = oval_record_field_ITEM_from_sexp(srf);
oval_sysent_add_record_field(ent, rf);
}
SEXP_free(srfs);
} else {
