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/* SPDX-License-Identifier: LGPL-2.1+ */
#include "bus-error.h"
#include "bus-locator.h"
#include "dissect-image.h"
#include "systemctl-mount.h"
#include "systemctl-util.h"
#include "systemctl.h"
int mount_bind(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_free_ char *n = NULL;
sd_bus *bus;
int r;
r = acquire_bus(BUS_MANAGER, &bus);
if (r < 0)
return r;
polkit_agent_open_maybe();
r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
if (r < 0)
return log_error_errno(r, "Failed to mangle unit name: %m");
r = bus_call_method(
bus,
bus_systemd_mgr,
"BindMountUnit",
&error,
NULL,
"sssbb",
n,
argv[2],
argv[3],
arg_read_only,
arg_mkdir);
if (r < 0)
return log_error_errno(r, "Failed to bind mount: %s", bus_error_message(&error, r));
return 0;
}
int mount_image(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
const char *unit = argv[1], *src = argv[2], *dest = argv[3];
_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
_cleanup_free_ char *n = NULL;
sd_bus *bus;
int r;
r = acquire_bus(BUS_MANAGER, &bus);
if (r < 0)
return r;
polkit_agent_open_maybe();
r = unit_name_mangle(unit, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
if (r < 0)
return log_error_errno(r, "Failed to mangle unit name: %m");
r = bus_message_new_method_call(
bus,
&m,
bus_systemd_mgr,
"MountImageUnit");
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_append(
m,
"sssbb",
n,
src,
dest,
arg_read_only,
arg_mkdir);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_open_container(m, 'a', "(ss)");
if (r < 0)
return bus_log_create_error(r);
if (argc > 4) {
_cleanup_free_ char *partition = NULL, *mount_options = NULL;
const char *options = argv[4];
r = extract_many_words(&options, ":", EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_SEPARATORS, &partition, &mount_options, NULL);
if (r < 0)
return r;
/* Single set of options, applying to the root partition/single filesystem */
if (r == 1) {
r = sd_bus_message_append(m, "(ss)", "root", partition);
if (r < 0)
return bus_log_create_error(r);
} else if (r > 1) {
if (partition_designator_from_string(partition) < 0)
return bus_log_create_error(-EINVAL);
r = sd_bus_message_append(m, "(ss)", partition, mount_options);
if (r < 0)
return bus_log_create_error(r);
}
}
r = sd_bus_message_close_container(m);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_call(bus, m, -1, &error, NULL);
if (r < 0)
return log_error_errno(r, "Failed to mount image: %s", bus_error_message(&error, r));
return 0;
}
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