/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. Copyright 2014 Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see . ***/ #include "bus-label.h" #include "bus-common-errors.h" #include "strv.h" #include "machine-image.h" #include "image-dbus.h" static int image_find_by_bus_path(const char *path, Image **ret) { _cleanup_free_ char *e = NULL; const char *p; assert(path); p = startswith(path, "/org/freedesktop/machine1/image/"); if (!p) return 0; e = bus_label_unescape(p); if (!e) return -ENOMEM; return image_find(e, ret); } static int image_find_by_bus_path_with_error(const char *path, Image **ret, sd_bus_error *error) { int r; assert(path); r = image_find_by_bus_path(path, ret); if (r == 0) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "Image doesn't exist."); return r; } static int property_get_name( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { _cleanup_(image_unrefp) Image *image = NULL; int r; assert(bus); assert(reply); r = image_find_by_bus_path_with_error(path, &image, error); if (r < 0) return r; r = sd_bus_message_append(reply, "s", image->name); if (r < 0) return r; return 1; } static int property_get_path( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { _cleanup_(image_unrefp) Image *image = NULL; int r; assert(bus); assert(reply); r = image_find_by_bus_path_with_error(path, &image, error); if (r < 0) return r; r = sd_bus_message_append(reply, "s", image->path); if (r < 0) return r; return 1; } static int property_get_type( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { _cleanup_(image_unrefp) Image *image = NULL; int r; assert(bus); assert(reply); r = image_find_by_bus_path_with_error(path, &image, error); if (r < 0) return r; r = sd_bus_message_append(reply, "s", image_type_to_string(image->type)); if (r < 0) return r; return 1; } static int property_get_read_only( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { _cleanup_(image_unrefp) Image *image = NULL; int r; assert(bus); assert(reply); r = image_find_by_bus_path_with_error(path, &image, error); if (r < 0) return r; r = sd_bus_message_append(reply, "b", image->read_only); if (r < 0) return r; return 1; } static int property_get_crtime( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { _cleanup_(image_unrefp) Image *image = NULL; int r; assert(bus); assert(reply); r = image_find_by_bus_path_with_error(path, &image, error); if (r < 0) return r; r = sd_bus_message_append(reply, "t", image->crtime); if (r < 0) return r; return 1; } static int property_get_mtime( sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error) { _cleanup_(image_unrefp) Image *image = NULL; int r; assert(bus); assert(reply); r = image_find_by_bus_path_with_error(path, &image, error); if (r < 0) return r; r = sd_bus_message_append(reply, "t", image->mtime); if (r < 0) return r; return 1; } static int method_remove( sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_(image_unrefp) Image *image = NULL; int r; assert(bus); assert(message); r = image_find_by_bus_path_with_error(sd_bus_message_get_path(message), &image, error); if (r < 0) return r; r = image_remove(image); if (r < 0) return r; return sd_bus_reply_method_return(message, NULL); } const sd_bus_vtable image_vtable[] = { SD_BUS_VTABLE_START(0), SD_BUS_PROPERTY("Name", "s", property_get_name, 0, 0), SD_BUS_PROPERTY("Path", "s", property_get_path, 0, 0), SD_BUS_PROPERTY("Type", "s", property_get_type, 0, 0), SD_BUS_PROPERTY("ReadOnly", "b", property_get_read_only, 0, 0), SD_BUS_PROPERTY("CreationTimestamp", "t", property_get_crtime, 0, 0), SD_BUS_PROPERTY("ModificationTimestamp", "t", property_get_mtime, 0, 0), SD_BUS_METHOD("Remove", NULL, NULL, method_remove, 0), SD_BUS_VTABLE_END }; int image_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { int r; assert(bus); assert(path); assert(interface); assert(found); r = image_find_by_bus_path(path, NULL); if (r <= 0) return r; *found = NULL; return 1; } char *image_bus_path(const char *name) { _cleanup_free_ char *e = NULL; assert(name); e = bus_label_escape(name); if (!e) return NULL; return strappend("/org/freedesktop/machine1/image/", e); } int image_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { _cleanup_(image_hashmap_freep) Hashmap *images = NULL; _cleanup_strv_free_ char **l = NULL; Image *image; Iterator i; int r; assert(bus); assert(path); assert(nodes); images = hashmap_new(&string_hash_ops); if (!images) return -ENOMEM; r = image_discover(images); if (r < 0) return r; HASHMAP_FOREACH(image, images, i) { char *p; p = image_bus_path(image->name); if (!p) return -ENOMEM; r = strv_consume(&l, p); if (r < 0) return r; } *nodes = l; l = NULL; return 1; }