/* Public API helpers */
static char *selabel_sub_key(struct selabel_handle *rec, const char *key)
{
char *ptr = NULL;
char *dptr = NULL;
ptr = selabel_sub(rec->subs, key);
if (ptr) {
dptr = selabel_sub(rec->dist_subs, ptr);
if (dptr) {
free(ptr);
ptr = dptr;
}
} else {
ptr = selabel_sub(rec->dist_subs, key);
}
if (ptr)
return ptr;
return NULL;
}
static struct selabel_lookup_rec *
selabel_lookup_common(struct selabel_handle *rec, int translating,
const char *key, int type)
{
struct selabel_lookup_rec *lr;
char *ptr = NULL;
char *dptr = NULL;
if (key == NULL) {
errno = EINVAL;
return NULL;
}
ptr = selabel_sub(rec->subs, key);
if (ptr) {
dptr = selabel_sub(rec->dist_subs, ptr);
if (dptr) {
free(ptr);
ptr = dptr;
}
} else {
ptr = selabel_sub(rec->dist_subs, key);
}
if (ptr) {
lr = rec->func_lookup(rec, ptr, type);
free(ptr);
} else {
lr = rec->func_lookup(rec, key, type);
}
if (!lr)
return NULL;
if (compat_validate(rec, lr, rec->spec_file, 0))
return NULL;
if (translating && !lr->ctx_trans &&
selinux_raw_to_trans_context(lr->ctx_raw, &lr->ctx_trans))
return NULL;
return lr;
}
