| /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
| |
| #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; |
| } |