2013-07-02 03:47:23 +02:00
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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2011 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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#include <pwd.h>
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#include <systemd/sd-id128.h>
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#include <systemd/sd-messages.h>
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#include "machined.h"
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#include "dbus-common.h"
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#include "strv.h"
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#include "mkdir.h"
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#include "path-util.h"
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#include "special.h"
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#include "sleep-config.h"
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#include "fileio-label.h"
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#include "label.h"
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#include "utf8.h"
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#include "unit-name.h"
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#include "bus-errors.h"
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#include "virt.h"
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#define BUS_MANAGER_INTERFACE \
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2013-07-02 15:02:54 +02:00
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" <interface name=\"org.freedesktop.machine1.Manager\">\n" \
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2013-07-02 03:47:23 +02:00
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" <method name=\"GetMachine\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"machine\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"GetMachineByPID\">\n" \
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" <arg name=\"pid\" type=\"u\" direction=\"in\"/>\n" \
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" <arg name=\"machine\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"ListMachines\">\n" \
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" <arg name=\"machines\" type=\"a(ssso)\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"CreateMachine\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"id\" type=\"ay\" direction=\"in\"/>\n" \
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" <arg name=\"service\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"class\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"leader\" type=\"u\" direction=\"in\"/>\n" \
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" <arg name=\"root_directory\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"scope_properties\" type=\"a(sv)\" direction=\"in\"/>\n" \
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" <arg name=\"path\" type=\"o\" direction=\"out\"/>\n" \
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" </method>\n" \
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" <method name=\"KillMachine\">\n" \
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" <arg name=\"name\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"who\" type=\"s\" direction=\"in\"/>\n" \
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" <arg name=\"signal\" type=\"s\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <method name=\"TerminateMachine\">\n" \
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" <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
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" </method>\n" \
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" <signal name=\"MachineNew\">\n" \
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" <arg name=\"machine\" type=\"s\"/>\n" \
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" <arg name=\"path\" type=\"o\"/>\n" \
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" </signal>\n" \
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" <signal name=\"MachineRemoved\">\n" \
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" <arg name=\"machine\" type=\"s\"/>\n" \
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" <arg name=\"path\" type=\"o\"/>\n" \
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" </signal>\n" \
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" </interface>\n"
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#define INTROSPECTION_BEGIN \
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DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
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"<node>\n" \
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BUS_MANAGER_INTERFACE \
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BUS_PROPERTIES_INTERFACE \
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BUS_PEER_INTERFACE \
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BUS_INTROSPECTABLE_INTERFACE
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#define INTROSPECTION_END \
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"</node>\n"
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#define INTERFACES_LIST \
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BUS_GENERIC_INTERFACES_LIST \
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"org.freedesktop.machine1.Manager\0"
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static bool valid_machine_name(const char *p) {
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size_t l;
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if (!filename_is_safe(p))
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return false;
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if (!ascii_is_valid(p))
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return false;
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l = strlen(p);
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if (l < 1 || l> 64)
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return false;
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return true;
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}
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static int bus_manager_create_machine(Manager *manager, DBusMessage *message) {
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2013-07-02 15:49:27 +02:00
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const char *name, *service, *class, *root_directory;
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2013-07-02 03:47:23 +02:00
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_cleanup_free_ char *p = NULL;
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DBusMessageIter iter, sub;
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MachineClass c;
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uint32_t leader;
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sd_id128_t id;
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Machine *m;
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int n, r;
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void *v;
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assert(manager);
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assert(message);
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if (!dbus_message_iter_init(message, &iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
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return -EINVAL;
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dbus_message_iter_get_basic(&iter, &name);
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if (!valid_machine_name(name) ||
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!dbus_message_iter_next(&iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
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dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_BYTE)
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return -EINVAL;
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dbus_message_iter_recurse(&iter, &sub);
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dbus_message_iter_get_fixed_array(&sub, &v, &n);
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if (n == 0)
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id = SD_ID128_NULL;
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else if (n == 16)
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memcpy(&id, v, n);
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else
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return -EINVAL;
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if (!dbus_message_iter_next(&iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
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return -EINVAL;
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dbus_message_iter_get_basic(&iter, &service);
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if (!dbus_message_iter_next(&iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
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return -EINVAL;
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dbus_message_iter_get_basic(&iter, &class);
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if (isempty(class))
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c = _MACHINE_CLASS_INVALID;
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else {
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c = machine_class_from_string(class);
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if (c < 0)
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return -EINVAL;
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}
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if (!dbus_message_iter_next(&iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32)
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return -EINVAL;
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dbus_message_iter_get_basic(&iter, &leader);
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if (!dbus_message_iter_next(&iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
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return -EINVAL;
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dbus_message_iter_get_basic(&iter, &root_directory);
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if (!(isempty(root_directory) || path_is_absolute(root_directory)))
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return -EINVAL;
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if (hashmap_get(manager->machines, name))
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return -EEXIST;
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if (leader <= 0) {
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leader = bus_get_unix_process_id(manager->bus, dbus_message_get_sender(message), NULL);
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if (leader == 0)
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return -EINVAL;
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}
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r = manager_add_machine(manager, name, &m);
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if (r < 0)
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goto fail;
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m->leader = leader;
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m->class = c;
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m->id = id;
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if (!isempty(service)) {
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m->service = strdup(service);
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if (!m->service) {
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r = -ENOMEM;
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goto fail;
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}
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}
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if (!isempty(root_directory)) {
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m->root_directory = strdup(root_directory);
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if (!m->root_directory) {
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r = -ENOMEM;
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goto fail;
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}
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}
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r = machine_start(m);
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if (r < 0)
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goto fail;
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m->create_message = dbus_message_ref(message);
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return 0;
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fail:
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if (m)
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machine_add_to_gc_queue(m);
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return r;
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}
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static DBusHandlerResult manager_message_handler(
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DBusConnection *connection,
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DBusMessage *message,
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void *userdata) {
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Manager *m = userdata;
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DBusError error;
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_cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
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int r;
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assert(connection);
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assert(message);
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assert(m);
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dbus_error_init(&error);
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if (dbus_message_is_method_call(message, "org.freedesktop.machine1.Manager", "GetMachine")) {
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Machine *machine;
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const char *name;
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char *p;
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bool b;
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if (!dbus_message_get_args(
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message,
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&error,
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DBUS_TYPE_STRING, &name,
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DBUS_TYPE_INVALID))
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return bus_send_error_reply(connection, message, &error, -EINVAL);
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machine = hashmap_get(m->machines, name);
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if (!machine)
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return bus_send_error_reply(connection, message, &error, -ENOENT);
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reply = dbus_message_new_method_return(message);
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if (!reply)
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goto oom;
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p = machine_bus_path(machine);
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if (!p)
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goto oom;
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b = dbus_message_append_args(
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reply,
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DBUS_TYPE_OBJECT_PATH, &p,
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DBUS_TYPE_INVALID);
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free(p);
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if (!b)
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goto oom;
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} else if (dbus_message_is_method_call(message, "org.freedesktop.machine1.Manager", "GetMachineByPID")) {
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uint32_t pid;
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char *p;
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Machine *machine;
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bool b;
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if (!dbus_message_get_args(
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message,
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&error,
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DBUS_TYPE_UINT32, &pid,
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DBUS_TYPE_INVALID))
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return bus_send_error_reply(connection, message, &error, -EINVAL);
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r = manager_get_machine_by_pid(m, pid, &machine);
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if (r <= 0)
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return bus_send_error_reply(connection, message, NULL, r < 0 ? r : -ENOENT);
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reply = dbus_message_new_method_return(message);
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if (!reply)
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goto oom;
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p = machine_bus_path(machine);
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if (!p)
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goto oom;
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b = dbus_message_append_args(
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reply,
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DBUS_TYPE_OBJECT_PATH, &p,
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DBUS_TYPE_INVALID);
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free(p);
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if (!b)
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goto oom;
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} else if (dbus_message_is_method_call(message, "org.freedesktop.machine1.Manager", "ListMachines")) {
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Machine *machine;
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Iterator i;
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DBusMessageIter iter, sub;
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reply = dbus_message_new_method_return(message);
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if (!reply)
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goto oom;
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dbus_message_iter_init_append(reply, &iter);
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if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(ssso)", &sub))
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goto oom;
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HASHMAP_FOREACH(machine, m->machines, i) {
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_cleanup_free_ char *p = NULL;
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DBusMessageIter sub2;
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const char *class;
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if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2))
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goto oom;
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p = machine_bus_path(machine);
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if (!p)
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goto oom;
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class = strempty(machine_class_to_string(machine->class));
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if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &machine->name) ||
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!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &class) ||
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!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &machine->service) ||
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!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) {
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free(p);
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goto oom;
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}
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if (!dbus_message_iter_close_container(&sub, &sub2))
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goto oom;
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}
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if (!dbus_message_iter_close_container(&iter, &sub))
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goto oom;
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} else if (dbus_message_is_method_call(message, "org.freedesktop.machine1.Manager", "CreateMachine")) {
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r = bus_manager_create_machine(m, message);
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if (r < 0)
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return bus_send_error_reply(connection, message, NULL, r);
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} else if (dbus_message_is_method_call(message, "org.freedesktop.machine1.Manager", "KillMachine")) {
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|
|
const char *swho;
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|
|
int32_t signo;
|
|
|
|
KillWho who;
|
|
|
|
const char *name;
|
|
|
|
Machine *machine;
|
|
|
|
|
|
|
|
if (!dbus_message_get_args(
|
|
|
|
message,
|
|
|
|
&error,
|
|
|
|
DBUS_TYPE_STRING, &name,
|
|
|
|
DBUS_TYPE_STRING, &swho,
|
|
|
|
DBUS_TYPE_INT32, &signo,
|
|
|
|
DBUS_TYPE_INVALID))
|
|
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
|
|
|
|
|
|
if (isempty(swho))
|
|
|
|
who = KILL_ALL;
|
|
|
|
else {
|
|
|
|
who = kill_who_from_string(swho);
|
|
|
|
if (who < 0)
|
|
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (signo <= 0 || signo >= _NSIG)
|
|
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
|
|
|
|
|
|
machine = hashmap_get(m->machines, name);
|
|
|
|
if (!machine)
|
|
|
|
return bus_send_error_reply(connection, message, &error, -ENOENT);
|
|
|
|
|
|
|
|
r = machine_kill(machine, who, signo);
|
|
|
|
if (r < 0)
|
|
|
|
return bus_send_error_reply(connection, message, NULL, r);
|
|
|
|
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
|
|
if (!reply)
|
|
|
|
goto oom;
|
|
|
|
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.machine1.Manager", "TerminateMachine")) {
|
|
|
|
const char *name;
|
|
|
|
Machine *machine;
|
|
|
|
|
|
|
|
if (!dbus_message_get_args(
|
|
|
|
message,
|
|
|
|
&error,
|
|
|
|
DBUS_TYPE_STRING, &name,
|
|
|
|
DBUS_TYPE_INVALID))
|
|
|
|
return bus_send_error_reply(connection, message, &error, -EINVAL);
|
|
|
|
|
|
|
|
machine = hashmap_get(m->machines, name);
|
|
|
|
if (!machine)
|
|
|
|
return bus_send_error_reply(connection, message, &error, -ENOENT);
|
|
|
|
|
|
|
|
r = machine_stop(machine);
|
|
|
|
if (r < 0)
|
|
|
|
return bus_send_error_reply(connection, message, NULL, r);
|
|
|
|
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
|
|
if (!reply)
|
|
|
|
goto oom;
|
|
|
|
|
|
|
|
} else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) {
|
|
|
|
char *introspection = NULL;
|
|
|
|
FILE *f;
|
|
|
|
Iterator i;
|
|
|
|
Machine *machine;
|
|
|
|
size_t size;
|
|
|
|
char *p;
|
|
|
|
|
|
|
|
reply = dbus_message_new_method_return(message);
|
|
|
|
if (!reply)
|
|
|
|
goto oom;
|
|
|
|
|
|
|
|
/* We roll our own introspection code here, instead of
|
|
|
|
* relying on bus_default_message_handler() because we
|
|
|
|
* need to generate our introspection string
|
|
|
|
* dynamically. */
|
|
|
|
|
|
|
|
f = open_memstream(&introspection, &size);
|
|
|
|
if (!f)
|
|
|
|
goto oom;
|
|
|
|
|
|
|
|
fputs(INTROSPECTION_BEGIN, f);
|
|
|
|
|
|
|
|
HASHMAP_FOREACH(machine, m->machines, i) {
|
|
|
|
p = bus_path_escape(machine->name);
|
|
|
|
|
|
|
|
if (p) {
|
|
|
|
fprintf(f, "<node name=\"machine/%s\"/>", p);
|
|
|
|
free(p);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
fputs(INTROSPECTION_END, f);
|
|
|
|
|
|
|
|
if (ferror(f)) {
|
|
|
|
fclose(f);
|
|
|
|
free(introspection);
|
|
|
|
goto oom;
|
|
|
|
}
|
|
|
|
|
|
|
|
fclose(f);
|
|
|
|
|
|
|
|
if (!introspection)
|
|
|
|
goto oom;
|
|
|
|
|
|
|
|
if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &introspection, DBUS_TYPE_INVALID)) {
|
|
|
|
free(introspection);
|
|
|
|
goto oom;
|
|
|
|
}
|
|
|
|
|
|
|
|
free(introspection);
|
|
|
|
} else
|
|
|
|
return bus_default_message_handler(connection, message, NULL, INTERFACES_LIST, NULL);
|
|
|
|
|
|
|
|
if (reply) {
|
|
|
|
if (!bus_maybe_send_reply(connection, message, reply))
|
|
|
|
goto oom;
|
|
|
|
}
|
|
|
|
|
|
|
|
return DBUS_HANDLER_RESULT_HANDLED;
|
|
|
|
|
|
|
|
oom:
|
|
|
|
dbus_error_free(&error);
|
|
|
|
|
|
|
|
return DBUS_HANDLER_RESULT_NEED_MEMORY;
|
|
|
|
}
|
|
|
|
|
|
|
|
const DBusObjectPathVTable bus_manager_vtable = {
|
|
|
|
.message_function = manager_message_handler
|
|
|
|
};
|
|
|
|
|
|
|
|
DBusHandlerResult bus_message_filter(
|
|
|
|
DBusConnection *connection,
|
|
|
|
DBusMessage *message,
|
|
|
|
void *userdata) {
|
|
|
|
|
|
|
|
Manager *m = userdata;
|
|
|
|
DBusError error;
|
|
|
|
|
|
|
|
assert(m);
|
|
|
|
assert(connection);
|
|
|
|
assert(message);
|
|
|
|
|
|
|
|
dbus_error_init(&error);
|
|
|
|
|
|
|
|
log_debug("Got message: %s %s %s", strna(dbus_message_get_sender(message)), strna(dbus_message_get_interface(message)), strna(dbus_message_get_member(message)));
|
|
|
|
|
|
|
|
if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) {
|
|
|
|
const char *path, *result, *unit;
|
|
|
|
Machine *mm;
|
|
|
|
uint32_t id;
|
|
|
|
|
|
|
|
if (!dbus_message_get_args(message, &error,
|
|
|
|
DBUS_TYPE_UINT32, &id,
|
|
|
|
DBUS_TYPE_OBJECT_PATH, &path,
|
|
|
|
DBUS_TYPE_STRING, &unit,
|
|
|
|
DBUS_TYPE_STRING, &result,
|
|
|
|
DBUS_TYPE_INVALID)) {
|
|
|
|
log_error("Failed to parse JobRemoved message: %s", bus_error_message(&error));
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
|
|
|
mm = hashmap_get(m->machine_units, unit);
|
|
|
|
if (mm) {
|
|
|
|
if (streq_ptr(path, mm->scope_job)) {
|
|
|
|
free(mm->scope_job);
|
|
|
|
mm->scope_job = NULL;
|
2013-07-02 15:49:27 +02:00
|
|
|
machine_save(mm);
|
2013-07-02 03:47:23 +02:00
|
|
|
|
|
|
|
if (mm->started) {
|
|
|
|
if (streq(result, "done"))
|
|
|
|
machine_send_create_reply(mm, NULL);
|
|
|
|
else {
|
|
|
|
dbus_set_error(&error, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
|
|
|
|
machine_send_create_reply(mm, &error);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
machine_add_to_gc_queue(mm);
|
|
|
|
}
|
|
|
|
|
|
|
|
} else if (dbus_message_is_signal(message, "org.freedesktop.DBus.Properties", "PropertiesChanged")) {
|
|
|
|
|
|
|
|
_cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
|
|
|
|
_cleanup_free_ char *unit = NULL;
|
|
|
|
const char *path;
|
|
|
|
|
|
|
|
path = dbus_message_get_path(message);
|
|
|
|
if (!path)
|
|
|
|
goto finish;
|
|
|
|
|
|
|
|
unit_name_from_dbus_path(path, &unit);
|
|
|
|
if (unit) {
|
|
|
|
Machine *mm;
|
|
|
|
|
|
|
|
mm = hashmap_get(m->machine_units, unit);
|
|
|
|
if (mm)
|
|
|
|
machine_add_to_gc_queue(mm);
|
|
|
|
}
|
2013-07-03 15:12:58 +02:00
|
|
|
|
|
|
|
} else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "UnitRemoved")) {
|
|
|
|
const char *path, *unit;
|
|
|
|
Machine *mm;
|
|
|
|
|
|
|
|
if (!dbus_message_get_args(message, &error,
|
|
|
|
DBUS_TYPE_STRING, &unit,
|
|
|
|
DBUS_TYPE_OBJECT_PATH, &path,
|
|
|
|
DBUS_TYPE_INVALID)) {
|
|
|
|
log_error("Failed to parse UnitRemoved message: %s", bus_error_message(&error));
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
|
|
|
mm = hashmap_get(m->machine_units, unit);
|
|
|
|
if (mm) {
|
|
|
|
hashmap_remove(m->machine_units, mm->scope);
|
|
|
|
free(mm->scope);
|
|
|
|
mm->scope = NULL;
|
|
|
|
|
|
|
|
machine_add_to_gc_queue(mm);
|
|
|
|
}
|
2013-07-02 03:47:23 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
finish:
|
|
|
|
dbus_error_free(&error);
|
|
|
|
|
|
|
|
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
|
|
|
|
}
|
|
|
|
|
|
|
|
int manager_start_scope(
|
|
|
|
Manager *manager,
|
|
|
|
const char *scope,
|
|
|
|
pid_t pid,
|
|
|
|
const char *slice,
|
|
|
|
const char *description,
|
|
|
|
DBusError *error,
|
|
|
|
char **job) {
|
|
|
|
|
|
|
|
_cleanup_dbus_message_unref_ DBusMessage *m = NULL, *reply = NULL;
|
|
|
|
DBusMessageIter iter, sub, sub2, sub3, sub4;
|
|
|
|
const char *timeout_stop_property = "TimeoutStopUSec";
|
|
|
|
const char *pids_property = "PIDs";
|
|
|
|
uint64_t timeout = 500 * USEC_PER_MSEC;
|
|
|
|
const char *fail = "fail";
|
|
|
|
uint32_t u;
|
|
|
|
|
|
|
|
assert(manager);
|
|
|
|
assert(scope);
|
|
|
|
assert(pid > 1);
|
|
|
|
|
|
|
|
if (!slice)
|
|
|
|
slice = "";
|
|
|
|
|
|
|
|
m = dbus_message_new_method_call(
|
|
|
|
"org.freedesktop.systemd1",
|
|
|
|
"/org/freedesktop/systemd1",
|
|
|
|
"org.freedesktop.systemd1.Manager",
|
|
|
|
"StartTransientUnit");
|
|
|
|
if (!m)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
dbus_message_iter_init_append(m, &iter);
|
|
|
|
|
|
|
|
if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &scope) ||
|
|
|
|
!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &fail) ||
|
|
|
|
!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(sv)", &sub))
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
if (!isempty(slice)) {
|
|
|
|
const char *slice_property = "Slice";
|
|
|
|
|
|
|
|
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
|
|
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &slice_property) ||
|
|
|
|
!dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "s", &sub3) ||
|
|
|
|
!dbus_message_iter_append_basic(&sub3, DBUS_TYPE_STRING, &slice) ||
|
|
|
|
!dbus_message_iter_close_container(&sub2, &sub3) ||
|
|
|
|
!dbus_message_iter_close_container(&sub, &sub2))
|
|
|
|
return log_oom();
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!isempty(description)) {
|
|
|
|
const char *description_property = "Description";
|
|
|
|
|
|
|
|
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
|
|
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &description_property) ||
|
|
|
|
!dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "s", &sub3) ||
|
|
|
|
!dbus_message_iter_append_basic(&sub3, DBUS_TYPE_STRING, &description) ||
|
|
|
|
!dbus_message_iter_close_container(&sub2, &sub3) ||
|
|
|
|
!dbus_message_iter_close_container(&sub, &sub2))
|
|
|
|
return log_oom();
|
|
|
|
}
|
|
|
|
|
|
|
|
/* cgroup empty notification is not available in containers
|
|
|
|
* currently. To make this less problematic, let's shorten the
|
|
|
|
* stop timeout for sessions, so that we don't wait
|
|
|
|
* forever. */
|
|
|
|
|
|
|
|
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
|
|
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &timeout_stop_property) ||
|
|
|
|
!dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "t", &sub3) ||
|
|
|
|
!dbus_message_iter_append_basic(&sub3, DBUS_TYPE_UINT64, &timeout) ||
|
|
|
|
!dbus_message_iter_close_container(&sub2, &sub3) ||
|
|
|
|
!dbus_message_iter_close_container(&sub, &sub2))
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
u = pid;
|
|
|
|
if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) ||
|
|
|
|
!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &pids_property) ||
|
|
|
|
!dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "au", &sub3) ||
|
|
|
|
!dbus_message_iter_open_container(&sub3, DBUS_TYPE_ARRAY, "u", &sub4) ||
|
|
|
|
!dbus_message_iter_append_basic(&sub4, DBUS_TYPE_UINT32, &u) ||
|
|
|
|
!dbus_message_iter_close_container(&sub3, &sub4) ||
|
|
|
|
!dbus_message_iter_close_container(&sub2, &sub3) ||
|
|
|
|
!dbus_message_iter_close_container(&sub, &sub2) ||
|
|
|
|
!dbus_message_iter_close_container(&iter, &sub))
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
reply = dbus_connection_send_with_reply_and_block(manager->bus, m, -1, error);
|
|
|
|
if (!reply)
|
|
|
|
return -EIO;
|
|
|
|
|
|
|
|
if (job) {
|
|
|
|
const char *j;
|
|
|
|
char *copy;
|
|
|
|
|
|
|
|
if (!dbus_message_get_args(reply, error, DBUS_TYPE_OBJECT_PATH, &j, DBUS_TYPE_INVALID))
|
|
|
|
return -EIO;
|
|
|
|
|
|
|
|
copy = strdup(j);
|
|
|
|
if (!copy)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
*job = copy;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int manager_stop_unit(Manager *manager, const char *unit, DBusError *error, char **job) {
|
|
|
|
_cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
|
|
|
|
const char *fail = "fail";
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(manager);
|
|
|
|
assert(unit);
|
|
|
|
|
|
|
|
r = bus_method_call_with_reply(
|
|
|
|
manager->bus,
|
|
|
|
"org.freedesktop.systemd1",
|
|
|
|
"/org/freedesktop/systemd1",
|
|
|
|
"org.freedesktop.systemd1.Manager",
|
|
|
|
"StopUnit",
|
|
|
|
&reply,
|
|
|
|
error,
|
|
|
|
DBUS_TYPE_STRING, &unit,
|
|
|
|
DBUS_TYPE_STRING, &fail,
|
|
|
|
DBUS_TYPE_INVALID);
|
|
|
|
if (r < 0) {
|
|
|
|
log_error("Failed to stop unit %s: %s", unit, bus_error(error, r));
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (job) {
|
|
|
|
const char *j;
|
|
|
|
char *copy;
|
|
|
|
|
|
|
|
if (!dbus_message_get_args(reply, error,
|
|
|
|
DBUS_TYPE_OBJECT_PATH, &j,
|
|
|
|
DBUS_TYPE_INVALID)) {
|
|
|
|
log_error("Failed to parse reply.");
|
|
|
|
return -EIO;
|
|
|
|
}
|
|
|
|
|
|
|
|
copy = strdup(j);
|
|
|
|
if (!copy)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
*job = copy;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, DBusError *error) {
|
|
|
|
_cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
|
|
|
|
const char *w;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(manager);
|
|
|
|
assert(unit);
|
|
|
|
|
|
|
|
w = who == KILL_LEADER ? "process" : "cgroup";
|
|
|
|
assert_cc(sizeof(signo) == sizeof(int32_t));
|
|
|
|
|
|
|
|
r = bus_method_call_with_reply(
|
|
|
|
manager->bus,
|
|
|
|
"org.freedesktop.systemd1",
|
|
|
|
"/org/freedesktop/systemd1",
|
|
|
|
"org.freedesktop.systemd1.Manager",
|
|
|
|
"KillUnit",
|
|
|
|
&reply,
|
|
|
|
error,
|
|
|
|
DBUS_TYPE_STRING, &unit,
|
|
|
|
DBUS_TYPE_STRING, &w,
|
|
|
|
DBUS_TYPE_INT32, &signo,
|
|
|
|
DBUS_TYPE_INVALID);
|
|
|
|
if (r < 0) {
|
|
|
|
log_error("Failed to stop unit %s: %s", unit, bus_error(error, r));
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int manager_unit_is_active(Manager *manager, const char *unit) {
|
|
|
|
|
|
|
|
const char *interface = "org.freedesktop.systemd1.Unit";
|
|
|
|
const char *property = "ActiveState";
|
|
|
|
_cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
|
|
|
|
_cleanup_free_ char *path = NULL;
|
|
|
|
DBusMessageIter iter, sub;
|
|
|
|
const char *state;
|
|
|
|
DBusError error;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(manager);
|
|
|
|
assert(unit);
|
|
|
|
|
|
|
|
dbus_error_init(&error);
|
|
|
|
|
|
|
|
path = unit_dbus_path_from_name(unit);
|
|
|
|
if (!path)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
r = bus_method_call_with_reply(
|
|
|
|
manager->bus,
|
|
|
|
"org.freedesktop.systemd1",
|
|
|
|
path,
|
|
|
|
"org.freedesktop.DBus.Properties",
|
|
|
|
"Get",
|
|
|
|
&reply,
|
|
|
|
&error,
|
|
|
|
DBUS_TYPE_STRING, &interface,
|
|
|
|
DBUS_TYPE_STRING, &property,
|
|
|
|
DBUS_TYPE_INVALID);
|
|
|
|
|
|
|
|
if (r < 0) {
|
|
|
|
log_error("Failed to query ActiveState: %s", bus_error(&error, r));
|
|
|
|
dbus_error_free(&error);
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!dbus_message_iter_init(reply, &iter) ||
|
|
|
|
dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
|
|
|
|
log_error("Failed to parse reply.");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
dbus_message_iter_recurse(&iter, &sub);
|
|
|
|
if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) {
|
|
|
|
log_error("Failed to parse reply.");
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
dbus_message_iter_get_basic(&sub, &state);
|
|
|
|
|
|
|
|
return !streq(state, "inactive") && !streq(state, "failed");
|
|
|
|
}
|