#include <errno.h>

#include "dbus-unit.h"

#include "dbus-common.h"

#include "dbus-cgroup.h"

#include "dbus-kill.h"

#include "selinux-access.h"

#include "dbus-scope.h"

#define BUS_SCOPE_INTERFACE \

" <interface name=\"org.freedesktop.systemd1.Scope\">\n" \

" <property name=\"TimeoutStopUSec\" type=\"t\" access=\"read\"/>\n" \

BUS_KILL_CONTEXT_INTERFACE \

BUS_CGROUP_CONTEXT_INTERFACE \

" <property name=\"Result\" type=\"s\" access=\"read\"/>\n" \

" </interface>\n"

#define INTROSPECTION \

DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \

"<node>\n" \

BUS_UNIT_INTERFACE \

BUS_SCOPE_INTERFACE \

BUS_PROPERTIES_INTERFACE \

BUS_PEER_INTERFACE \

BUS_INTROSPECTABLE_INTERFACE \

"</node>\n"

#define INTERFACES_LIST \

BUS_UNIT_INTERFACES_LIST \

"org.freedesktop.systemd1.Scope\0"

const char bus_scope_interface[] _introspect_("Scope") = BUS_SCOPE_INTERFACE;

static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_scope_append_scope_result, scope_result, ScopeResult);

static const BusProperty bus_scope_properties[] = {

{ "TimeoutStopUSec", bus_property_append_usec, "t", offsetof(Scope, timeout_stop_usec) },

{ "Result", bus_scope_append_scope_result, "s", offsetof(Scope, result) },

{}

};

DBusHandlerResult bus_scope_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) {

Scope *s = SCOPE(u);

const BusBoundProperties bps[] = {

{ "org.freedesktop.systemd1.Unit", bus_unit_properties, u },

{ "org.freedesktop.systemd1.Scope", bus_scope_properties, s },

{ "org.freedesktop.systemd1.Scope", bus_cgroup_context_properties, &s->cgroup_context },

{ "org.freedesktop.systemd1.Scope", bus_kill_context_properties, &s->kill_context },

{}

};

SELINUX_UNIT_ACCESS_CHECK(u, c, message, "status");

return bus_default_message_handler(c, message, INTROSPECTION, INTERFACES_LIST, bps);

}

static int bus_scope_set_transient_property(

Scope *s,

const char *name,

DBusMessageIter *i,

UnitSetPropertiesMode mode,

DBusError *error) {

int r;

assert(name);

assert(s);

assert(i);

if (streq(name, "PIDs")) {

DBusMessageIter sub;

if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_ARRAY ||

dbus_message_iter_get_element_type(i) != DBUS_TYPE_UINT32)

return -EINVAL;

r = set_ensure_allocated(&s->pids, trivial_hash_func, trivial_compare_func);

if (r < 0)

return r;

dbus_message_iter_recurse(i, &sub);

while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_UINT32) {

uint32_t pid;

dbus_message_iter_get_basic(&sub, &pid);

if (pid <= 1)

return -EINVAL;

r = set_put(s->pids, LONG_TO_PTR(pid));

if (r < 0 && r != -EEXIST)

return r;

dbus_message_iter_next(&sub);

}

if (set_size(s->pids) <= 0)

return -EINVAL;

return 1;

}

return 0;

}

int bus_scope_set_property(

Unit *u,

const char *name,

DBusMessageIter *i,

UnitSetPropertiesMode mode,

DBusError *error) {

Scope *s = SCOPE(u);

int r;

assert(name);

assert(u);

assert(i);

r = bus_cgroup_set_property(u, &s->cgroup_context, name, i, mode, error);

if (r != 0)

return r;

if (u->load_state == UNIT_STUB) {

/* While we are created we still accept PIDs */

r = bus_scope_set_transient_property(s, name, i, mode, error);

if (r != 0)

return r;

}

return 0;

}

int bus_scope_commit_properties(Unit *u) {

assert(u);

unit_realize_cgroup(u);

return 0;

}