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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "sd-json.h"
#include "sd-varlink.h"
#include "bus-polkit.h"
#include "image-varlink.h"
#include "machine.h"
#include "string-util.h"
int vl_method_update_image(sd_varlink *link, sd_json_variant *parameters, sd_varlink_method_flags_t flags, void *userdata) {
struct params {
const char *image_name;
const char *new_name;
int read_only;
uint64_t limit;
};
static const sd_json_dispatch_field dispatch_table[] = {
{ "name", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(struct params, image_name), SD_JSON_MANDATORY },
{ "newName", SD_JSON_VARIANT_STRING, sd_json_dispatch_const_string, offsetof(struct params, new_name), 0 },
{ "readOnly", SD_JSON_VARIANT_BOOLEAN, sd_json_dispatch_tristate, offsetof(struct params, read_only), 0 },
{ "limit", _SD_JSON_VARIANT_TYPE_INVALID, sd_json_dispatch_uint64, offsetof(struct params, limit), 0 },
VARLINK_DISPATCH_POLKIT_FIELD,
{}
};
Manager *manager = ASSERT_PTR(userdata);
struct params p = {
.read_only = -1,
.limit = UINT64_MAX,
};
Image *image;
int r, ret = 0;
assert(link);
assert(parameters);
r = sd_varlink_dispatch(link, parameters, dispatch_table, &p);
if (r != 0)
return r;
if (!image_name_is_valid(p.image_name))
return sd_varlink_error_invalid_parameter_name(link, "name");
if (p.new_name && !image_name_is_valid(p.new_name))
return sd_varlink_error_invalid_parameter_name(link, "newName");
r = manager_acquire_image(manager, p.image_name, &image);
if (r == -ENOENT)
return sd_varlink_error(link, "io.systemd.MachineImage.NoSuchImage", NULL);
if (r < 0)
return r;
r = varlink_verify_polkit_async(
link,
manager->bus,
"org.freedesktop.machine1.manage-images",
(const char**) STRV_MAKE("image", image->name,
"verb", "update_image"),
&manager->polkit_registry);
if (r <= 0)
return r;
if (p.new_name) {
r = rename_image_and_update_cache(manager, image, p.new_name);
if (r < 0)
return log_debug_errno(r, "Failed to rename image: %m");
}
if (p.read_only >= 0) {
r = image_read_only(image, p.read_only);
if (r < 0)
RET_GATHER(ret, log_debug_errno(r, "Failed to toggle image read only, ignoring: %m"));
}
if (p.limit != UINT64_MAX) {
r = image_set_limit(image, p.limit);
if (r < 0)
RET_GATHER(ret, log_debug_errno(r, "Failed to set image limit, ignoring: %m"));
}
/* We intentionally swallowed errors from image_read_only() and image_set_limit(). Here we return first one to the user if any */
if (ret < 0)
return ret;
return sd_varlink_reply(link, NULL);
}
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