static void test_bus_label_escape_one(const char *a, const char *b) {
_cleanup_free_ char *t = NULL, *x = NULL, *y = NULL;
assert_se(t = bus_label_escape(a));
assert_se(streq(t, b));
assert_se(x = bus_label_unescape(t));
assert_se(streq(a, x));
assert_se(y = bus_label_unescape(b));
assert_se(streq(a, y));
}
int image_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
_cleanup_free_ char *e = NULL;
Manager *m = userdata;
Image *image = NULL;
const char *p;
int r;
assert(bus);
assert(path);
assert(interface);
assert(found);
p = startswith(path, "/org/freedesktop/machine1/image/");
if (!p)
return 0;
e = bus_label_unescape(p);
if (!e)
return -ENOMEM;
image = hashmap_get(m->image_cache, e);
if (image) {
*found = image;
return 1;
}
r = hashmap_ensure_allocated(&m->image_cache, &string_hash_ops);
if (r < 0)
return r;
if (!m->image_cache_defer_event) {
r = sd_event_add_defer(m->event, &m->image_cache_defer_event, image_flush_cache, m);
if (r < 0)
return r;
r = sd_event_source_set_priority(m->image_cache_defer_event, SD_EVENT_PRIORITY_IDLE);
if (r < 0)
return r;
}
r = sd_event_source_set_enabled(m->image_cache_defer_event, SD_EVENT_ONESHOT);
if (r < 0)
return r;
r = image_find(e, &image);
if (r <= 0)
return r;
image->userdata = m;
r = hashmap_put(m->image_cache, image->name, image);
if (r < 0) {
image_unref(image);
return r;
}
*found = image;
return 1;
}
int unit_name_from_dbus_path(const char *path, char **name) {
const char *e;
char *n;
e = startswith(path, "/org/freedesktop/systemd1/unit/");
if (!e)
return -EINVAL;
n = bus_label_unescape(e);
if (!n)
return -ENOMEM;
*name = n;
return 0;
}
_public_ int sd_bus_creds_get_description(sd_bus_creds *c, const char **ret) {
assert_return(c, -EINVAL);
assert_return(ret, -EINVAL);
if (!(c->mask & SD_BUS_CREDS_DESCRIPTION))
return -ENODATA;
assert(c->description);
if (!c->unescaped_description) {
c->unescaped_description = bus_label_unescape(c->description);
if (!c->unescaped_description)
return -ENOMEM;
}
*ret = c->unescaped_description;
return 0;
}