diff options
Diffstat (limited to 'src/machine/machined-dbus.c')
| -rw-r--r-- | src/machine/machined-dbus.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/machine/machined-dbus.c b/src/machine/machined-dbus.c index c4f60b5b02..fdb9d5fac8 100644 --- a/src/machine/machined-dbus.c +++ b/src/machine/machined-dbus.c @@ -776,6 +776,61 @@ static int method_mark_image_read_only(sd_bus *bus, sd_bus_message *message, voi return bus_image_method_mark_read_only(bus, message, i, error); } +static int method_set_pool_limit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { + Manager *m = userdata; + uint64_t limit; + int r; + + assert(bus); + r = sd_bus_message_read(message, "t", &limit); + if (r < 0) + return r; + + r = bus_verify_polkit_async( + message, + CAP_SYS_ADMIN, + "org.freedesktop.machine1.manage-machines", + false, + UID_INVALID, + &m->polkit_registry, + error); + if (r < 0) + return r; + if (r == 0) + return 1; /* Will call us back */ + + r = btrfs_quota_limit("/var/lib/machines", limit); + if (r == -ENOTTY) + return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs."); + else if (r < 0) + return sd_bus_error_set_errnof(error, r, "Failed to adjust quota limit: %m"); + + return sd_bus_reply_method_return(message, NULL); +} + +static int method_set_image_limit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { + _cleanup_(image_unrefp) Image *i = NULL; + const char *name; + int r; + + assert(bus); + r = sd_bus_message_read(message, "s", &name); + if (r < 0) + return r; + + if (!image_name_is_valid(name)) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name); + + r = image_find(name, &i); + if (r < 0) + return r; + if (r == 0) + return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name); + + i->userdata = userdata; + return bus_image_method_set_limit(bus, message, i, error); +} + const sd_bus_vtable manager_vtable[] = { SD_BUS_VTABLE_START(0), SD_BUS_PROPERTY("PoolPath", "s", property_get_pool_path, 0, 0), @@ -803,6 +858,8 @@ const sd_bus_vtable manager_vtable[] = { SD_BUS_METHOD("RenameImage", "ss", NULL, method_rename_image, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("CloneImage", "ssb", NULL, method_clone_image, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("MarkImageReadOnly", "sb", NULL, method_mark_image_read_only, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("SetPoolLimit", "t", NULL, method_set_pool_limit, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("SetImageLimit", "st", NULL, method_set_image_limit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_SIGNAL("MachineNew", "so", 0), SD_BUS_SIGNAL("MachineRemoved", "so", 0), SD_BUS_VTABLE_END |