mirror of
https://github.com/morgan9e/systemd
synced 2026-04-16 01:16:10 +09:00
117 lines
3.9 KiB
C
117 lines
3.9 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#include "bus-error.h"
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#include "bus-locator.h"
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#include "dissect-image.h"
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#include "systemctl-mount.h"
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#include "systemctl-util.h"
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#include "systemctl.h"
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int verb_bind(int argc, char *argv[], void *userdata) {
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_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
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_cleanup_free_ char *n = NULL;
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sd_bus *bus;
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int r;
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r = acquire_bus(BUS_MANAGER, &bus);
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if (r < 0)
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return r;
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polkit_agent_open_maybe();
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r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
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if (r < 0)
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return log_error_errno(r, "Failed to mangle unit name: %m");
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r = bus_call_method(
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bus,
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bus_systemd_mgr,
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"BindMountUnit",
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&error,
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NULL,
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"sssbb",
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n,
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argv[2],
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argv[3],
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arg_read_only,
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arg_mkdir);
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if (r < 0)
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return log_error_errno(r, "Failed to bind mount: %s", bus_error_message(&error, r));
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return 0;
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}
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int verb_mount_image(int argc, char *argv[], void *userdata) {
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_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
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const char *unit = argv[1], *src = argv[2], *dest = argv[3];
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_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
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_cleanup_free_ char *n = NULL;
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sd_bus *bus;
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int r;
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r = acquire_bus(BUS_MANAGER, &bus);
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if (r < 0)
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return r;
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polkit_agent_open_maybe();
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r = unit_name_mangle(unit, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n);
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if (r < 0)
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return log_error_errno(r, "Failed to mangle unit name: %m");
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r = bus_message_new_method_call(
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bus,
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&m,
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bus_systemd_mgr,
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"MountImageUnit");
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_append(
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m,
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"sssbb",
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n,
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src,
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dest,
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arg_read_only,
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arg_mkdir);
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_message_open_container(m, 'a', "(ss)");
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if (r < 0)
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return bus_log_create_error(r);
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if (argc > 4) {
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_cleanup_free_ char *partition = NULL, *mount_options = NULL;
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const char *options = argv[4];
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r = extract_many_words(&options, ":", EXTRACT_CUNESCAPE|EXTRACT_UNESCAPE_SEPARATORS, &partition, &mount_options);
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if (r < 0)
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return r;
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/* Single set of options, applying to the root partition/single filesystem */
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if (r == 1) {
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r = sd_bus_message_append(m, "(ss)", "root", partition);
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if (r < 0)
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return bus_log_create_error(r);
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} else if (r > 1) {
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if (partition_designator_from_string(partition) < 0)
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return bus_log_create_error(-EINVAL);
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r = sd_bus_message_append(m, "(ss)", partition, mount_options);
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if (r < 0)
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return bus_log_create_error(r);
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}
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}
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r = sd_bus_message_close_container(m);
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if (r < 0)
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return bus_log_create_error(r);
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r = sd_bus_call(bus, m, -1, &error, NULL);
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if (r < 0)
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return log_error_errno(r, "Failed to mount image: %s", bus_error_message(&error, r));
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return 0;
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}
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