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mechanisms: add mechanisms to change system locale and clock

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This commit is contained in:
Lennart Poettering 2011-06-15 15:37:39 +02:00
parent 34ca941cec
commit f401e48c2d
20 changed files with 1648 additions and 174 deletions
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2
.gitignore vendored
View File

@ -1,3 +1,5 @@
systemd-localed
systemd-timedated
systemd-uaccess
systemd-logind
systemd-hostnamed

53
Makefile.am
View File

@ -159,6 +159,8 @@ rootlibexec_PROGRAMS = \
systemd-detect-virt \
systemd-sysctl \
systemd-hostnamed \
systemd-localed \
systemd-timedated \
systemd-logind \
systemd-uaccess
@ -199,11 +201,15 @@ dist_pkgsysconf_DATA = \
dist_dbuspolicy_DATA = \
src/org.freedesktop.systemd1.conf \
src/org.freedesktop.hostname1.conf
src/org.freedesktop.hostname1.conf \
src/org.freedesktop.locale1.conf \
src/org.freedesktop.timedate1.conf
dist_dbussystemservice_DATA = \
src/org.freedesktop.systemd1.service \
src/org.freedesktop.hostname1.service
src/org.freedesktop.hostname1.service \
src/org.freedesktop.locale1.service \
src/org.freedesktop.timedate1.service
dist_udevrules_DATA = \
src/99-systemd.rules
@ -308,6 +314,8 @@ nodist_systemunit_DATA = \
units/systemd-logger.service \
units/systemd-shutdownd.service \
units/systemd-hostnamed.service \
units/systemd-localed.service \
units/systemd-timedated.service \
units/systemd-kmsg-syslogd.service \
units/systemd-modules-load.service \
units/systemd-vconsole-setup.service \
@ -355,6 +363,8 @@ EXTRA_DIST = \
units/systemd-logger.service.in \
units/systemd-shutdownd.service.in \
units/systemd-hostnamed.service.in \
units/systemd-localed.service.in \
units/systemd-timedated.service.in \
units/systemd-kmsg-syslogd.service.in \
units/systemd-modules-load.service.in \
units/systemd-vconsole-setup.service.in \
@ -443,7 +453,9 @@ nodist_polkitpolicy_DATA = \
src/org.freedesktop.systemd1.policy
dist_polkitpolicy_DATA = \
src/org.freedesktop.hostname1.policy
src/org.freedesktop.hostname1.policy \
src/org.freedesktop.locale1.policy \
src/org.freedesktop.timedate1.policy
noinst_LTLIBRARIES = \
libsystemd-basic.la \
@ -797,7 +809,8 @@ systemd_shutdownd_LDADD = \
systemd_hostnamed_SOURCES = \
src/hostnamed.c \
src/dbus-common.c
src/dbus-common.c \
src/polkit.c
systemd_hostnamed_CFLAGS = \
$(AM_CFLAGS) \
@ -808,6 +821,34 @@ systemd_hostnamed_LDADD = \
libsystemd-daemon.la \
$(DBUS_LIBS)
systemd_localed_SOURCES = \
src/localed.c \
src/dbus-common.c \
src/polkit.c
systemd_localed_CFLAGS = \
$(AM_CFLAGS) \
$(DBUS_CFLAGS)
systemd_localed_LDADD = \
libsystemd-basic.la \
libsystemd-daemon.la \
$(DBUS_LIBS)
systemd_timedated_SOURCES = \
src/timedated.c \
src/dbus-common.c \
src/polkit.c
systemd_timedated_CFLAGS = \
$(AM_CFLAGS) \
$(DBUS_CFLAGS)
systemd_timedated_LDADD = \
libsystemd-basic.la \
libsystemd-daemon.la \
$(DBUS_LIBS)
systemd_logind_SOURCES = \
src/logind.c \
src/logind-dbus.c \
@ -1449,7 +1490,9 @@ endif
rm -f default.target ctrl-alt-del.target dbus-org.freedesktop.hostname1.service && \
$(LN_S) graphical.target default.target && \
$(LN_S) reboot.target ctrl-alt-del.target && \
$(LN_S) systemd-hostnamed.service dbus-org.freedesktop.hostname1.service )
$(LN_S) systemd-hostnamed.service dbus-org.freedesktop.hostname1.service && \
$(LN_S) systemd-localed.service dbus-org.freedesktop.locale1.service && \
$(LN_S) systemd-timedate.service dbus-org.freedesktop.timedate1.service )
( cd $(DESTDIR)$(systemunitdir)/multi-user.target.wants && \
rm -f getty.target systemd-user-sessions.service systemd-ask-password-wall.path && \
$(LN_S) ../getty.target getty.target && \

163
src/hostnamed.c
View File

@ -29,6 +29,7 @@
#include "util.h"
#include "strv.h"
#include "dbus-common.h"
#include "polkit.h"
#define INTROSPECTION \
DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
@ -256,168 +257,6 @@ static int write_data_other(void) {
return r;
}
/* This mimics dbus_bus_get_unix_user() */
static pid_t get_unix_process_id(
DBusConnection *connection,
const char *name,
DBusError *error) {
DBusMessage *m = NULL, *reply = NULL;
uint32_t pid = 0;
m = dbus_message_new_method_call(
DBUS_SERVICE_DBUS,
DBUS_PATH_DBUS,
DBUS_INTERFACE_DBUS,
"GetConnectionUnixProcessID");
if (!m) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, NULL);
goto finish;
}
if (!dbus_message_append_args(
m,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_INVALID)) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, NULL);
goto finish;
}
reply = dbus_connection_send_with_reply_and_block(connection, m, -1, error);
if (!reply)
goto finish;
if (dbus_set_error_from_message(error, reply))
goto finish;
if (!dbus_message_get_args(
reply, error,
DBUS_TYPE_UINT32, &pid,
DBUS_TYPE_INVALID))
goto finish;
finish:
if (m)
dbus_message_unref(m);
if (reply)
dbus_message_unref(reply);
return (pid_t) pid;
}
static int verify_polkit(
DBusConnection *c,
DBusMessage *request,
const char *action,
bool interactive,
DBusError *error) {
DBusMessage *m = NULL, *reply = NULL;
const char *unix_process = "unix-process", *pid = "pid", *starttime = "start-time", *cancel_id = "";
const char *sender;
uint32_t flags = interactive ? 1 : 0;
pid_t pid_raw;
uint32_t pid_u32;
unsigned long long starttime_raw;
uint64_t starttime_u64;
DBusMessageIter iter_msg, iter_struct, iter_array, iter_dict, iter_variant;
int r;
dbus_bool_t authorized = FALSE;
assert(c);
assert(request);
sender = dbus_message_get_sender(request);
if (!sender)
return -EINVAL;
pid_raw = get_unix_process_id(c, sender, error);
if (pid_raw == 0)
return -EINVAL;
r = get_starttime_of_pid(pid_raw, &starttime_raw);
if (r < 0)
return r;
m = dbus_message_new_method_call(
"org.freedesktop.PolicyKit1",
"/org/freedesktop/PolicyKit1/Authority",
"org.freedesktop.PolicyKit1.Authority",
"CheckAuthorization");
if (!m)
return -ENOMEM;
dbus_message_iter_init_append(m, &iter_msg);
pid_u32 = (uint32_t) pid_raw;
starttime_u64 = (uint64_t) starttime_raw;
if (!dbus_message_iter_open_container(&iter_msg, DBUS_TYPE_STRUCT, NULL, &iter_struct) ||
!dbus_message_iter_append_basic(&iter_struct, DBUS_TYPE_STRING, &unix_process) ||
!dbus_message_iter_open_container(&iter_struct, DBUS_TYPE_ARRAY, "{sv}", &iter_array) ||
!dbus_message_iter_open_container(&iter_array, DBUS_TYPE_DICT_ENTRY, NULL, &iter_dict) ||
!dbus_message_iter_append_basic(&iter_dict, DBUS_TYPE_STRING, &pid) ||
!dbus_message_iter_open_container(&iter_dict, DBUS_TYPE_VARIANT, "u", &iter_variant) ||
!dbus_message_iter_append_basic(&iter_variant, DBUS_TYPE_UINT32, &pid_u32) ||
!dbus_message_iter_close_container(&iter_dict, &iter_variant) ||
!dbus_message_iter_close_container(&iter_array, &iter_dict) ||
!dbus_message_iter_open_container(&iter_array, DBUS_TYPE_DICT_ENTRY, NULL, &iter_dict) ||
!dbus_message_iter_append_basic(&iter_dict, DBUS_TYPE_STRING, &starttime) ||
!dbus_message_iter_open_container(&iter_dict, DBUS_TYPE_VARIANT, "t", &iter_variant) ||
!dbus_message_iter_append_basic(&iter_variant, DBUS_TYPE_UINT64, &starttime_u64) ||
!dbus_message_iter_close_container(&iter_dict, &iter_variant) ||
!dbus_message_iter_close_container(&iter_array, &iter_dict) ||
!dbus_message_iter_close_container(&iter_struct, &iter_array) ||
!dbus_message_iter_close_container(&iter_msg, &iter_struct) ||
!dbus_message_iter_append_basic(&iter_msg, DBUS_TYPE_STRING, &action) ||
!dbus_message_iter_open_container(&iter_msg, DBUS_TYPE_ARRAY, "{ss}", &iter_array) ||
!dbus_message_iter_close_container(&iter_msg, &iter_array) ||
!dbus_message_iter_append_basic(&iter_msg, DBUS_TYPE_UINT32, &flags) ||
!dbus_message_iter_append_basic(&iter_msg, DBUS_TYPE_STRING, &cancel_id)) {
r = -ENOMEM;
goto finish;
}
reply = dbus_connection_send_with_reply_and_block(c, m, -1, error);
if (!reply) {
r = -EIO;
goto finish;
}
if (dbus_set_error_from_message(error, reply)) {
r = -EIO;
goto finish;
}
if (!dbus_message_iter_init(reply, &iter_msg) ||
dbus_message_iter_get_arg_type(&iter_msg) != DBUS_TYPE_STRUCT) {
r = -EIO;
goto finish;
}
dbus_message_iter_recurse(&iter_msg, &iter_struct);
if (dbus_message_iter_get_arg_type(&iter_struct) != DBUS_TYPE_BOOLEAN) {
r = -EIO;
goto finish;
}
dbus_message_iter_get_basic(&iter_struct, &authorized);
r = authorized ? 0 : -EPERM;
finish:
if (m)
dbus_message_unref(m);
if (reply)
dbus_message_unref(reply);
return r;
}
static int bus_hostname_append_icon_name(DBusMessageIter *i, const char *property, void *userdata) {
const char *name;

599
src/localed.c Normal file
View File

@ -0,0 +1,599 @@
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2011 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <dbus/dbus.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include "util.h"
#include "strv.h"
#include "dbus-common.h"
#include "polkit.h"
#define INTROSPECTION \
DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
"<node>\n" \
" <interface name=\"org.freedesktop.locale1\">\n" \
" <property name=\"Locale\" type=\"as\" access=\"read\"/>\n" \
" <method name=\"SetLocale\">\n" \
" <arg name=\"locale\" type=\"as\" direction=\"in\"/>\n" \
" <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
" </method>\n" \
" </interface>\n" \
BUS_PROPERTIES_INTERFACE \
BUS_INTROSPECTABLE_INTERFACE \
BUS_PEER_INTERFACE \
"</node>\n"
#define INTERFACES_LIST \
BUS_GENERIC_INTERFACES_LIST \
"org.freedesktop.locale1\0"
enum {
/* We don't list LC_ALL here on purpose. People should be
* using LANG instead. */
PROP_LANG,
PROP_LC_CTYPE,
PROP_LC_NUMERIC,
PROP_LC_TIME,
PROP_LC_COLLATE,
PROP_LC_MONETARY,
PROP_LC_MESSAGES,
PROP_LC_PAPER,
PROP_LC_NAME,
PROP_LC_ADDRESS,
PROP_LC_TELEPHONE,
PROP_LC_MEASUREMENT,
PROP_LC_IDENTIFICATION,
_PROP_MAX
};
static const char * const names[_PROP_MAX] = {
[PROP_LANG] = "LANG",
[PROP_LC_CTYPE] = "LC_CTYPE",
[PROP_LC_NUMERIC] = "LC_NUMERIC",
[PROP_LC_TIME] = "LC_TIME",
[PROP_LC_COLLATE] = "LC_COLLATE",
[PROP_LC_MONETARY] = "LC_MONETARY",
[PROP_LC_MESSAGES] = "LC_MESSAGES",
[PROP_LC_PAPER] = "LC_PAPER",
[PROP_LC_NAME] = "LC_NAME",
[PROP_LC_ADDRESS] = "LC_ADDRESS",
[PROP_LC_TELEPHONE] = "LC_TELEPHONE",
[PROP_LC_MEASUREMENT] = "LC_MEASUREMENT",
[PROP_LC_IDENTIFICATION] = "LC_IDENTIFICATION"
};
static char *data[_PROP_MAX] = {
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL
};
static void free_data(void) {
int p;
for (p = 0; p < _PROP_MAX; p++) {
free(data[p]);
data[p] = NULL;
}
}
static void simplify(void) {
int p;
for (p = 1; p < _PROP_MAX; p++)
if (isempty(data[p]) || streq_ptr(data[PROP_LANG], data[p])) {
free(data[p]);
data[p] = NULL;
}
}
static int read_data(void) {
int r;
free_data();
r = parse_env_file("/etc/locale.conf", NEWLINE,
"LANG", &data[PROP_LANG],
"LC_CTYPE", &data[PROP_LC_CTYPE],
"LC_NUMERIC", &data[PROP_LC_NUMERIC],
"LC_TIME", &data[PROP_LC_TIME],
"LC_COLLATE", &data[PROP_LC_COLLATE],
"LC_MONETARY", &data[PROP_LC_MONETARY],
"LC_MESSAGES", &data[PROP_LC_MESSAGES],
"LC_PAPER", &data[PROP_LC_PAPER],
"LC_NAME", &data[PROP_LC_NAME],
"LC_ADDRESS", &data[PROP_LC_ADDRESS],
"LC_TELEPHONE", &data[PROP_LC_TELEPHONE],
"LC_MEASUREMENT", &data[PROP_LC_MEASUREMENT],
"LC_IDENTIFICATION", &data[PROP_LC_IDENTIFICATION],
NULL);
if (r == -ENOENT) {
int p;
/* Fill in what we got passed from systemd. */
for (p = 0; p < _PROP_MAX; p++) {
char *e, *d;
assert(names[p]);
e = getenv(names[p]);
if (e) {
d = strdup(e);
if (!d)
return -ENOMEM;
} else
d = NULL;
free(data[p]);
data[p] = d;
}
r = 0;
}
simplify();
return r;
}
static int write_data(void) {
int r, p;
char **l = NULL;
r = load_env_file("/etc/locale.conf", &l);
if (r < 0 && r != -ENOENT)
return r;
for (p = 0; p < _PROP_MAX; p++) {
char *t, **u;
assert(names[p]);
if (isempty(data[p])) {
l = strv_env_unset(l, names[p]);
continue;
}
if (asprintf(&t, "%s=%s", names[p], data[p]) < 0) {
strv_free(l);
return -ENOMEM;
}
u = strv_env_set(l, t);
free(t);
strv_free(l);
if (!u)
return -ENOMEM;
l = u;
}
if (strv_isempty(l)) {
if (unlink("/etc/locale.conf") < 0)
return errno == ENOENT ? 0 : -errno;
return 0;
}
r = write_env_file("/etc/locale.conf", l);
strv_free(l);
return r;
}
static void push_data(DBusConnection *bus) {
char **l_set = NULL, **l_unset = NULL, **t;
int c_set = 0, c_unset = 0, p;
DBusError error;
DBusMessage *m = NULL, *reply = NULL;
DBusMessageIter iter, sub;
dbus_error_init(&error);
assert(bus);
l_set = new0(char*, _PROP_MAX);
l_unset = new0(char*, _PROP_MAX);
if (!l_set || !l_unset) {
log_error("Out of memory");
goto finish;
}
for (p = 0; p < _PROP_MAX; p++) {
assert(names[p]);
if (isempty(data[p]))
l_unset[c_set++] = (char*) names[p];
else {
char *s;
if (asprintf(&s, "%s=%s", names[p], data[p]) < 0) {
log_error("Out of memory");
goto finish;
}
l_set[c_unset++] = s;
}
}
assert(c_set + c_unset == _PROP_MAX);
m = dbus_message_new_method_call("org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "UnsetAndSetEnvironment");
if (!m) {
log_error("Could not allocate message.");
goto finish;
}
dbus_message_iter_init_append(m, &iter);
if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub)) {
log_error("Out of memory.");
goto finish;
}
STRV_FOREACH(t, l_unset)
if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, t)) {
log_error("Out of memory.");
goto finish;
}
if (!dbus_message_iter_close_container(&iter, &sub) ||
!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub)) {
log_error("Out of memory.");
goto finish;
}
STRV_FOREACH(t, l_set)
if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, t)) {
log_error("Out of memory.");
goto finish;
}
if (!dbus_message_iter_close_container(&iter, &sub)) {
log_error("Out of memory.");
goto finish;
}
reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
if (!reply) {
log_error("Failed to set locale information: %s", bus_error_message(&error));
goto finish;
}
finish:
if (m)
dbus_message_unref(m);
if (reply)
dbus_message_unref(reply);
dbus_error_free(&error);
strv_free(l_set);
free(l_unset);
}
static int append_locale(DBusMessageIter *i, const char *property, void *userdata) {
int r, c = 0, p;
char **l;
l = new0(char*, _PROP_MAX+1);
if (!l)
return -ENOMEM;
for (p = 0; p < _PROP_MAX; p++) {
char *t;
if (isempty(data[p]))
continue;
if (asprintf(&t, "%s=%s", names[p], data[p]) < 0) {
strv_free(l);
return -ENOMEM;
}
l[c++] = t;
}
r = bus_property_append_strv(i, property, (void*) l);
strv_free(l);
return r;
}
static DBusHandlerResult locale_message_handler(
DBusConnection *connection,
DBusMessage *message,
void *userdata) {
const BusProperty properties[] = {
{ "org.freedesktop.locale1", "Locale", append_locale, "as", NULL},
{ NULL, NULL, NULL, NULL, NULL }
};
DBusMessage *reply = NULL, *changed = NULL;
DBusError error;
int r;
assert(connection);
assert(message);
dbus_error_init(&error);
if (dbus_message_is_method_call(message, "org.freedesktop.locale1", "SetLocale")) {
char **l = NULL, **i;
dbus_bool_t interactive;
DBusMessageIter iter;
bool modified = false;
bool passed[_PROP_MAX];
int p;
if (!dbus_message_iter_init(message, &iter))
return bus_send_error_reply(connection, message, NULL, -EINVAL);
r = bus_parse_strv_iter(&iter, &l);
if (r < 0) {
if (r == -ENOMEM)
goto oom;
return bus_send_error_reply(connection, message, NULL, r);
}
if (!dbus_message_iter_next(&iter) ||
dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN) {
strv_free(l);
return bus_send_error_reply(connection, message, NULL, -EINVAL);
}
dbus_message_iter_get_basic(&iter, &interactive);
zero(passed);
/* Check whether a variable changed and if so valid */
STRV_FOREACH(i, l) {
bool valid = false;
for (p = 0; p < _PROP_MAX; p++) {
size_t k;
k = strlen(names[p]);
if (startswith(*i, names[p]) && (*i)[k] == '=') {
valid = true;
passed[p] = true;
if (!streq_ptr(*i + k + 1, data[p]))
modified = true;
break;
}
}
if (!valid) {
strv_free(l);
return bus_send_error_reply(connection, message, NULL, -EINVAL);
}
}
/* Check whether a variable is unset */
if (!modified) {
for (p = 0; p < _PROP_MAX; p++)
if (!isempty(data[p]) && !passed[p]) {
modified = true;
break;
}
}
if (modified) {
r = verify_polkit(connection, message, "org.freedesktop.locale1.set-locale", interactive, &error);
if (r < 0) {
strv_free(l);
return bus_send_error_reply(connection, message, &error, r);
}
STRV_FOREACH(i, l) {
for (p = 0; p < _PROP_MAX; p++) {
size_t k;
k = strlen(names[p]);
if (startswith(*i, names[p]) && (*i)[k] == '=') {
char *t;
t = strdup(*i + k + 1);
if (!t) {
strv_free(l);
goto oom;
}
free(data[p]);
data[p] = t;
break;
}
}
}
for (p = 0; p < _PROP_MAX; p++) {
if (passed[p])
continue;
free(data[p]);
data[p] = NULL;
}
simplify();
r = write_data();
if (r < 0) {
log_error("Failed to set locale: %s", strerror(-r));
return bus_send_error_reply(connection, message, NULL, r);
}
push_data(connection);
log_info("Changed locale information.");
changed = bus_properties_changed_new(
"/org/freedesktop/locale1",
"org.freedesktop.locale1",
"Locale\0");
if (!changed)
goto oom;
}
} else
return bus_default_message_handler(connection, message, INTROSPECTION, INTERFACES_LIST, properties);
if (!(reply = dbus_message_new_method_return(message)))
goto oom;
if (!dbus_connection_send(connection, reply, NULL))
goto oom;
dbus_message_unref(reply);
reply = NULL;
if (changed) {
if (!dbus_connection_send(connection, changed, NULL))
goto oom;
dbus_message_unref(changed);
}
return DBUS_HANDLER_RESULT_HANDLED;
oom:
if (reply)
dbus_message_unref(reply);
if (changed)
dbus_message_unref(changed);
dbus_error_free(&error);
return DBUS_HANDLER_RESULT_NEED_MEMORY;
}
static int connect_bus(DBusConnection **_bus) {
static const DBusObjectPathVTable locale_vtable = {
.message_function = locale_message_handler
};
DBusError error;
DBusConnection *bus = NULL;
int r;
assert(_bus);
dbus_error_init(&error);
bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error);
if (!bus) {
log_error("Failed to get system D-Bus connection: %s", error.message);
r = -ECONNREFUSED;
goto fail;
}
if (!dbus_connection_register_object_path(bus, "/org/freedesktop/locale1", &locale_vtable, NULL)) {
log_error("Not enough memory");
r = -ENOMEM;
goto fail;
}
if (dbus_bus_request_name(bus, "org.freedesktop.locale1", DBUS_NAME_FLAG_DO_NOT_QUEUE, &error) < 0) {
log_error("Failed to register name on bus: %s", error.message);
r = -EEXIST;
goto fail;
}
if (_bus)
*_bus = bus;
return 0;
fail:
dbus_connection_close(bus);
dbus_connection_unref(bus);
dbus_error_free(&error);
return r;
}
int main(int argc, char *argv[]) {
int r;
DBusConnection *bus = NULL;
log_set_target(LOG_TARGET_AUTO);
log_parse_environment();
log_open();
if (argc != 1) {
log_error("This program takes no arguments.");
r = -EINVAL;
goto finish;
}
umask(0022);
r = read_data();
if (r < 0) {
log_error("Failed to read locale data: %s", strerror(-r));
goto finish;
}
r = connect_bus(&bus);
if (r < 0)
goto finish;
while (dbus_connection_read_write_dispatch(bus, -1))
;
r = 0;
finish:
free_data();
if (bus) {
dbus_connection_flush(bus);
dbus_connection_close(bus);
dbus_connection_unref(bus);
}
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}

30
src/logind-seat-dbus.c
View File

@ -29,8 +29,12 @@
#define BUS_SEAT_INTERFACE \
" <interface name=\"org.freedesktop.login1.Seat\">\n" \
" <method name=\"Terminate\"/>\n" \
" <method name=\"ActivateSession\">\n" \
" <arg name=\"id\" type=\"s\"/>\n" \
" </method>\n" \
" <property name=\"Id\" type=\"s\" access=\"read\"/>\n" \
" <property name=\"Active\" type=\"so\" access=\"read\"/>\n" \
" <property name=\"ActiveSession\" type=\"so\" access=\"read\"/>\n" \
" <property name=\"CanActivateSessions\" type=\"b\" access=\"read\"/>\n" \
" <property name=\"Sessions\" type=\"a(so)\" access=\"read\"/>\n" \
" </interface>\n" \
@ -125,6 +129,23 @@ static int bus_seat_append_sessions(DBusMessageIter *i, const char *property, vo
return 0;
}
static int bus_seat_append_can_activate(DBusMessageIter *i, const char *property, void *data) {
Seat *s = data;
dbus_bool_t b;
assert(i);
assert(property);
assert(s);
b = s->manager->vtconsole == s;
if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b))
return -ENOMEM;
return 0;
}
static int get_seat_for_path(Manager *m, const char *path, Seat **_s) {
Seat *s;
char *id;
@ -156,9 +177,10 @@ static DBusHandlerResult seat_message_dispatch(
DBusMessage *message) {
const BusProperty properties[] = {
{ "org.freedesktop.login1.Seat", "Id", bus_property_append_string, "s", s->id },
{ "org.freedesktop.login1.Seat", "Active", bus_seat_append_active, "(so)", s },
{ "org.freedesktop.login1.Seat", "Sessions", bus_seat_append_sessions, "a(so)", s },
{ "org.freedesktop.login1.Seat", "Id", bus_property_append_string, "s", s->id },
{ "org.freedesktop.login1.Seat", "ActiveSession", bus_seat_append_active, "(so)", s },
{ "org.freedesktop.login1.Seat", "CanActivateSessions", bus_seat_append_can_activate, "b", s },
{ "org.freedesktop.login1.Seat", "Sessions", bus_seat_append_sessions, "a(so)", s },
{ NULL, NULL, NULL, NULL, NULL }
};

10
src/logind-session-dbus.c
View File

@ -30,9 +30,16 @@
" <interface name=\"org.freedesktop.login1.Session\">\n" \
" <method name=\"Terminate\"/>\n" \
" <method name=\"Activate\"/>\n" \
" <method name=\"Lock\"/>\n" \
" <method name=\"Unlock\"/>\n" \
" <method name=\"SetIdleHint\">\n" \
" <arg name=\"b\" type=\"b\"/>\n" \
" </method>\n" \
" <property name=\"Id\" type=\"u\" access=\"read\"/>\n" \
" <property name=\"User\" type=\"(uo)\" access=\"read\"/>\n" \
" <property name=\"Name\" type=\"s\" access=\"read\"/>\n" \
" <property name=\"Timestamp\" type=\"t\" access=\"read\"/>\n" \
" <property name=\"TimestampMonotonic\" type=\"t\" access=\"read\"/>\n" \
" <property name=\"ControlGroupPath\" type=\"s\" access=\"read\"/>\n" \
" <property name=\"VTNr\" type=\"u\" access=\"read\"/>\n" \
" <property name=\"Seat\" type=\"(so)\" access=\"read\"/>\n" \
@ -48,6 +55,9 @@
" <property name=\"Controllers\" type=\"as\" access=\"read\"/>\n" \
" <property name=\"ResetControllers\" type=\"as\" access=\"read\"/>\n" \
" <property name=\"KillProcesses\" type=\"b\" access=\"read\"/>\n" \
" <property name=\"IdleHint\" type=\"b\" access=\"read\"/>\n" \
" <property name=\"IdleSinceHint\" type=\"t\" access=\"read\"/>\n" \
" <property name=\"IdleSinceHintMonotonic\" type=\"t\" access=\"read\"/>\n" \
" </interface>\n"
#define INTROSPECTION \

2
src/logind.h
View File

@ -35,11 +35,9 @@
/* TODO:
*
* recreate VTs when disallocated
* udev rules
* PAM rewrite
* spawn user systemd
* dbus API
* don't allow everybody to take logind name
*
* non-local X11 server
* reboot/shutdown halt management

27
src/org.freedesktop.locale1.conf Normal file
View File

@ -0,0 +1,27 @@
<?xml version="1.0"?> <!--*-nxml-*-->
<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
"http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
<!--
This file is part of systemd.
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
-->
<busconfig>
<policy user="root">
<allow own="org.freedesktop.locale1"/>
<allow send_destination="org.freedesktop.locale1"/>
<allow receive_sender="org.freedesktop.locale1"/>
</policy>
<policy context="default">
<allow send_destination="org.freedesktop.locale1"/>
<allow receive_sender="org.freedesktop.locale1"/>
</policy>
</busconfig>

29
src/org.freedesktop.locale1.policy Normal file
View File

@ -0,0 +1,29 @@
<?xml version="1.0" encoding="UTF-8"?> <!--*-nxml-*-->
<!DOCTYPE policyconfig PUBLIC "-//freedesktop//DTD PolicyKit Policy Configuration 1.0//EN"
"http://www.freedesktop.org/standards/PolicyKit/1/policyconfig.dtd">
<!--
This file is part of systemd.
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
-->
<policyconfig>
<vendor>The systemd Project</vendor>
<vendor_url>http://www.freedesktop.org/wiki/Software/systemd</vendor_url>
<action id="org.freedesktop.locale1.set-locale">
<description>Set system locale</description>
<message>Authentication is required to set the system locale.</message>
<defaults>
<allow_any>auth_admin_keep</allow_any>
<allow_inactive>auth_admin_keep</allow_inactive>
<allow_active>auth_admin_keep</allow_active>
</defaults>
</action>
</policyconfig>

12
src/org.freedesktop.locale1.service Normal file
View File

@ -0,0 +1,12 @@
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
[D-BUS Service]
Name=org.freedesktop.locale1
Exec=/bin/false
User=root
SystemdService=dbus-org.freedesktop.locale1.service

1
src/org.freedesktop.login1.conf
View File

@ -20,7 +20,6 @@
</policy>
<policy context="default">
<allow own="org.freedesktop.login1"/>
<allow send_destination="org.freedesktop.login1"/>
<allow receive_sender="org.freedesktop.login1"/>
</policy>

27
src/org.freedesktop.timedate1.conf Normal file
View File

@ -0,0 +1,27 @@
<?xml version="1.0"?> <!--*-nxml-*-->
<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
"http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
<!--
This file is part of systemd.
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
-->
<busconfig>
<policy user="root">
<allow own="org.freedesktop.timedate1"/>
<allow send_destination="org.freedesktop.timedate1"/>
<allow receive_sender="org.freedesktop.timedate1"/>
</policy>
<policy context="default">
<allow send_destination="org.freedesktop.timedate1"/>
<allow receive_sender="org.freedesktop.timedate1"/>
</policy>
</busconfig>

50
src/org.freedesktop.timedate1.policy Normal file
View File

@ -0,0 +1,50 @@
<?xml version="1.0" encoding="UTF-8"?> <!--*-nxml-*-->
<!DOCTYPE policyconfig PUBLIC "-//freedesktop//DTD PolicyKit Policy Configuration 1.0//EN"
"http://www.freedesktop.org/standards/PolicyKit/1/policyconfig.dtd">
<!--
This file is part of systemd.
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
-->
<policyconfig>
<vendor>The systemd Project</vendor>
<vendor_url>http://www.freedesktop.org/wiki/Software/systemd</vendor_url>
<action id="org.freedesktop.timedate1.set-time">
<description>Set system time</description>
<message>Authentication is required to set the system time.</message>
<defaults>
<allow_any>auth_admin_keep</allow_any>
<allow_inactive>auth_admin_keep</allow_inactive>
<allow_active>auth_admin_keep</allow_active>
</defaults>
</action>
<action id="org.freedesktop.timedate1.set-timezone">
<description>Set system timezone</description>
<message>Authentication is required to set the system timezone.</message>
<defaults>
<allow_any>auth_admin_keep</allow_any>
<allow_inactive>auth_admin_keep</allow_inactive>
<allow_active>auth_admin_keep</allow_active>
</defaults>
</action>
<action id="org.freedesktop.timedate1.set-local-rtc">
<description>Set RTC to local timezone or UTC</description>
<message>Authentication is required to control whether
the RTC stores the local or UTC time.</message>
<defaults>
<allow_any>auth_admin_keep</allow_any>
<allow_inactive>auth_admin_keep</allow_inactive>
<allow_active>auth_admin_keep</allow_active>
</defaults>
</action>
</policyconfig>

12
src/org.freedesktop.timedate1.service Normal file
View File

@ -0,0 +1,12 @@
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
[D-BUS Service]
Name=org.freedesktop.timedate1
Exec=/bin/false
User=root
SystemdService=dbus-org.freedesktop.timedate1.service

190
src/polkit.c Normal file
View File

@ -0,0 +1,190 @@
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2011 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <sys/types.h>
#include <errno.h>
#include "util.h"
#include "dbus-common.h"
#include "polkit.h"
/* This mimics dbus_bus_get_unix_user() */
static pid_t get_unix_process_id(
DBusConnection *connection,
const char *name,
DBusError *error) {
DBusMessage *m = NULL, *reply = NULL;
uint32_t pid = 0;
m = dbus_message_new_method_call(
DBUS_SERVICE_DBUS,
DBUS_PATH_DBUS,
DBUS_INTERFACE_DBUS,
"GetConnectionUnixProcessID");
if (!m) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, NULL);
goto finish;
}
if (!dbus_message_append_args(
m,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_INVALID)) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, NULL);
goto finish;
}
reply = dbus_connection_send_with_reply_and_block(connection, m, -1, error);
if (!reply)
goto finish;
if (dbus_set_error_from_message(error, reply))
goto finish;
if (!dbus_message_get_args(
reply, error,
DBUS_TYPE_UINT32, &pid,
DBUS_TYPE_INVALID))
goto finish;
finish:
if (m)
dbus_message_unref(m);
if (reply)
dbus_message_unref(reply);
return (pid_t) pid;
}
int verify_polkit(
DBusConnection *c,
DBusMessage *request,
const char *action,
bool interactive,
DBusError *error) {
DBusMessage *m = NULL, *reply = NULL;
const char *unix_process = "unix-process", *pid = "pid", *starttime = "start-time", *cancel_id = "";
const char *sender;
uint32_t flags = interactive ? 1 : 0;
pid_t pid_raw;
uint32_t pid_u32;
unsigned long long starttime_raw;
uint64_t starttime_u64;
DBusMessageIter iter_msg, iter_struct, iter_array, iter_dict, iter_variant;
int r;
dbus_bool_t authorized = FALSE;
assert(c);
assert(request);
sender = dbus_message_get_sender(request);
if (!sender)
return -EINVAL;
pid_raw = get_unix_process_id(c, sender, error);
if (pid_raw == 0)
return -EINVAL;
r = get_starttime_of_pid(pid_raw, &starttime_raw);
if (r < 0)
return r;
m = dbus_message_new_method_call(
"org.freedesktop.PolicyKit1",
"/org/freedesktop/PolicyKit1/Authority",
"org.freedesktop.PolicyKit1.Authority",
"CheckAuthorization");
if (!m)
return -ENOMEM;
dbus_message_iter_init_append(m, &iter_msg);
pid_u32 = (uint32_t) pid_raw;
starttime_u64 = (uint64_t) starttime_raw;
if (!dbus_message_iter_open_container(&iter_msg, DBUS_TYPE_STRUCT, NULL, &iter_struct) ||
!dbus_message_iter_append_basic(&iter_struct, DBUS_TYPE_STRING, &unix_process) ||
!dbus_message_iter_open_container(&iter_struct, DBUS_TYPE_ARRAY, "{sv}", &iter_array) ||
!dbus_message_iter_open_container(&iter_array, DBUS_TYPE_DICT_ENTRY, NULL, &iter_dict) ||
!dbus_message_iter_append_basic(&iter_dict, DBUS_TYPE_STRING, &pid) ||
!dbus_message_iter_open_container(&iter_dict, DBUS_TYPE_VARIANT, "u", &iter_variant) ||
!dbus_message_iter_append_basic(&iter_variant, DBUS_TYPE_UINT32, &pid_u32) ||
!dbus_message_iter_close_container(&iter_dict, &iter_variant) ||
!dbus_message_iter_close_container(&iter_array, &iter_dict) ||
!dbus_message_iter_open_container(&iter_array, DBUS_TYPE_DICT_ENTRY, NULL, &iter_dict) ||
!dbus_message_iter_append_basic(&iter_dict, DBUS_TYPE_STRING, &starttime) ||
!dbus_message_iter_open_container(&iter_dict, DBUS_TYPE_VARIANT, "t", &iter_variant) ||
!dbus_message_iter_append_basic(&iter_variant, DBUS_TYPE_UINT64, &starttime_u64) ||
!dbus_message_iter_close_container(&iter_dict, &iter_variant) ||
!dbus_message_iter_close_container(&iter_array, &iter_dict) ||
!dbus_message_iter_close_container(&iter_struct, &iter_array) ||
!dbus_message_iter_close_container(&iter_msg, &iter_struct) ||
!dbus_message_iter_append_basic(&iter_msg, DBUS_TYPE_STRING, &action) ||
!dbus_message_iter_open_container(&iter_msg, DBUS_TYPE_ARRAY, "{ss}", &iter_array) ||
!dbus_message_iter_close_container(&iter_msg, &iter_array) ||
!dbus_message_iter_append_basic(&iter_msg, DBUS_TYPE_UINT32, &flags) ||
!dbus_message_iter_append_basic(&iter_msg, DBUS_TYPE_STRING, &cancel_id)) {
r = -ENOMEM;
goto finish;
}
reply = dbus_connection_send_with_reply_and_block(c, m, -1, error);
if (!reply) {
r = -EIO;
goto finish;
}
if (dbus_set_error_from_message(error, reply)) {
r = -EIO;
goto finish;
}
if (!dbus_message_iter_init(reply, &iter_msg) ||
dbus_message_iter_get_arg_type(&iter_msg) != DBUS_TYPE_STRUCT) {
r = -EIO;
goto finish;
}
dbus_message_iter_recurse(&iter_msg, &iter_struct);
if (dbus_message_iter_get_arg_type(&iter_struct) != DBUS_TYPE_BOOLEAN) {
r = -EIO;
goto finish;
}
dbus_message_iter_get_basic(&iter_struct, &authorized);
r = authorized ? 0 : -EPERM;
finish:
if (m)
dbus_message_unref(m);
if (reply)
dbus_message_unref(reply);
return r;
}

35
src/polkit.h Normal file
View File

@ -0,0 +1,35 @@
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#ifndef foopolkithfoo
#define foopolkithfoo
/***
This file is part of systemd.
Copyright 2010 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <stdbool.h>
#include <dbus/dbus.h>
int verify_polkit(
DBusConnection *c,
DBusMessage *request,
const char *action,
bool interactive,
DBusError *error);
#endif

544
src/timedated.c Normal file
View File

@ -0,0 +1,544 @@
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2011 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <dbus/dbus.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include "util.h"
#include "strv.h"
#include "dbus-common.h"
#include "polkit.h"
#define NULL_ADJTIME_UTC "0.0 0 0\n0\nUTC\n"
#define NULL_ADJTIME_LOCAL "0.0 0 0\n0\nLOCAL\n"
#define INTROSPECTION \
DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
"<node>\n" \
" <interface name=\"org.freedesktop.timedate1\">\n" \
" <property name=\"Timezone\" type=\"s\" access=\"read\"/>\n" \
" <property name=\"LocalRTC\" type=\"b\" access=\"read\"/>\n" \
" <method name=\"SetTime\">\n" \
" <arg name=\"usec_utc\" type=\"x\" direction=\"in\"/>\n" \
" <arg name=\"relative\" type=\"b\" direction=\"in\"/>\n" \
" <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
" </method>\n" \
" <method name=\"SetTimezone\">\n" \
" <arg name=\"timezone\" type=\"s\" direction=\"in\"/>\n" \
" <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
" </method>\n" \
" <method name=\"SetLocalRTC\">\n" \
" <arg name=\"local_rtc\" type=\"b\" direction=\"in\"/>\n" \
" <arg name=\"user_interaction\" type=\"b\" direction=\"in\"/>\n" \
" </method>\n" \
" </interface>\n" \
BUS_PROPERTIES_INTERFACE \
BUS_INTROSPECTABLE_INTERFACE \
BUS_PEER_INTERFACE \
"</node>\n"
#define INTERFACES_LIST \
BUS_GENERIC_INTERFACES_LIST \
"org.freedesktop.locale1\0"
static char *zone = NULL;
static bool local_rtc = false;
static void free_data(void) {
free(zone);
zone = NULL;
local_rtc = false;
}
static bool valid_timezone(const char *name) {
const char *p;
char *t;
bool slash = false;
int r;
struct stat st;
assert(name);
if (*name == '/' || *name == 0)
return false;
for (p = name; *p; p++) {
if (!(*p >= '0' && *p <= '9') &&
!(*p >= 'a' && *p <= 'z') &&
!(*p >= 'A' && *p <= 'Z') &&
!(*p == '-' || *p == '_' || *p == '+' || *p == '/'))
return false;
if (*p == '/') {
if (slash)
return false;
slash = true;
} else
slash = false;
}
if (slash)
return false;
t = strappend("/usr/share/zoneinfo/", name);
if (!t)
return false;
r = stat(t, &st);
free(t);
if (r < 0)
return false;
if (!S_ISREG(st.st_mode))
return false;
return true;
}
static void verify_timezone(void) {
char *p, *a = NULL, *b = NULL;
size_t l, q;
int j, k;
if (!zone)
return;
p = strappend("/usr/share/zoneinfo/", zone);
if (!p) {
log_error("Out of memory");
return;
}
j = read_full_file("/etc/localtime", &a, &l);
k = read_full_file(p, &b, &q);
free(p);
if (j < 0 || k < 0 || l != q || memcmp(a, b, l)) {
log_warning("/etc/localtime and /etc/timezone out of sync.");
free(zone);
zone = NULL;
}
free(a);
free(b);
}
static int read_data(void) {
int r;
FILE *f;
free_data();
r = read_one_line_file("/etc/timezone", &zone);
if (r < 0 && r != -ENOENT)
return r;
verify_timezone();
f = fopen("/etc/adjtime", "r");
if (f) {
char line[LINE_MAX];
bool b;
b = fgets(line, sizeof(line), f) &&
fgets(line, sizeof(line), f) &&
fgets(line, sizeof(line), f);
fclose(f);
if (!b)
return -EIO;
truncate_nl(line);
local_rtc = streq(line, "LOCAL");
} else if (errno != ENOENT)
return -errno;
return 0;
}
static int write_data_timezone(void) {
int r = 0;
char *p;
if (!zone) {
if (unlink("/etc/timezone") < 0 && errno != ENOENT)
r = -errno;
if (unlink("/etc/localtime") < 0 && errno != ENOENT)
r = -errno;
return r;
}
p = strappend("/usr/share/zoneinfo/", zone);
if (!p) {
log_error("Out of memory");
return -ENOMEM;
}
r = symlink_or_copy_atomic(p, "/etc/localtime");
free(p);
if (r < 0)
return r;
r = write_one_line_file_atomic("/etc/timezone", zone);
if (r < 0)
return r;
return 0;
}
static int write_data_local_rtc(void) {
int r;
char *s, *w;
r = read_full_file("/etc/adjtime", &s, NULL);
if (r < 0) {
if (r != -ENOENT)
return r;
if (!local_rtc)
return 0;
w = strdup(NULL_ADJTIME_LOCAL);
if (!w)
return -ENOMEM;
} else {
char *p, *e;
size_t a, b;
p = strchr(s, '\n');
if (!p) {
free(s);
return -EIO;
}
p = strchr(p+1, '\n');
if (!p) {
free(s);
return -EIO;
}
p++;
e = strchr(p, '\n');
if (!p) {
free(s);
return -EIO;
}
a = p - s;
b = strlen(e);
w = new(char, a + (local_rtc ? 5 : 3) + b + 1);
if (!w) {
free(s);
return -ENOMEM;
}
*(char*) mempcpy(stpcpy(mempcpy(w, s, a), local_rtc ? "LOCAL" : "UTC"), e, b) = 0;
if (streq(w, NULL_ADJTIME_UTC)) {
free(w);
if (unlink("/etc/adjtime") < 0) {
if (errno != ENOENT)
return -errno;
}
return 0;
}
}
r = write_one_line_file_atomic("/etc/adjtime", w);
free(w);
return r;
}
static DBusHandlerResult timedate_message_handler(
DBusConnection *connection,
DBusMessage *message,
void *userdata) {
const BusProperty properties[] = {
{ "org.freedesktop.timedate1", "Timezone", bus_property_append_string, "s", zone },
{ "org.freedesktop.timedate1", "LocalRTC", bus_property_append_bool, "b", &local_rtc },
{ NULL, NULL, NULL, NULL, NULL }
};
DBusMessage *reply = NULL, *changed = NULL;
DBusError error;
int r;
assert(connection);
assert(message);
dbus_error_init(&error);
if (dbus_message_is_method_call(message, "org.freedesktop.timedate1", "SetTimezone")) {
const char *z;
dbus_bool_t interactive;
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_STRING, &z,
DBUS_TYPE_BOOLEAN, &interactive,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
if (!valid_timezone(z))
return bus_send_error_reply(connection, message, NULL, -EINVAL);
if (!streq_ptr(z, zone)) {
char *t;
r = verify_polkit(connection, message, "org.freedesktop.timedate1.set-timezone", interactive, &error);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
t = strdup(z);
if (!t)
goto oom;
free(zone);
zone = t;
r = write_data_timezone();
if (r < 0) {
log_error("Failed to set timezone: %s", strerror(-r));
return bus_send_error_reply(connection, message, NULL, r);
}
log_info("Changed timezone to '%s'.", zone);
changed = bus_properties_changed_new(
"/org/freedesktop/timedate1",
"org.freedesktop.timedate1",
"Timezone\0");
if (!changed)
goto oom;
}
} else if (dbus_message_is_method_call(message, "org.freedesktop.timedate1", "SetLocalRTC")) {
dbus_bool_t lrtc;
dbus_bool_t interactive;
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_BOOLEAN, &lrtc,
DBUS_TYPE_BOOLEAN, &interactive,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
if (lrtc != local_rtc) {
r = verify_polkit(connection, message, "org.freedesktop.timedate1.set-local-rtc", interactive, &error);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
local_rtc = lrtc;
r = write_data_local_rtc();
if (r < 0) {
log_error("Failed to set RTC to local/UTC: %s", strerror(-r));
return bus_send_error_reply(connection, message, NULL, r);
}
log_info("Changed local RTC setting to '%s'.", yes_no(local_rtc));
changed = bus_properties_changed_new(
"/org/freedesktop/timedate1",
"org.freedesktop.timedate1",
"LocalRTC\0");
if (!changed)
goto oom;
}
} else if (dbus_message_is_method_call(message, "org.freedesktop.timedate1", "SetTime")) {
int64_t utc;
dbus_bool_t relative;
dbus_bool_t interactive;
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_INT64, &utc,
DBUS_TYPE_BOOLEAN, &relative,
DBUS_TYPE_BOOLEAN, &interactive,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
if (!relative && utc <= 0)
return bus_send_error_reply(connection, message, NULL, -EINVAL);
if (!relative || utc != 0) {
struct timespec ts;
r = verify_polkit(connection, message, "org.freedesktop.timedate1.set-time", interactive, &error);
if (r < 0)
return bus_send_error_reply(connection, message, &error, r);
if (relative)
timespec_store(&ts, now(CLOCK_REALTIME) + utc);
else
timespec_store(&ts, utc);
if (clock_settime(CLOCK_REALTIME, &ts) < 0) {
log_error("Failed to set local time: %m");
return bus_send_error_reply(connection, message, NULL, -errno);
}
log_info("Changed local time to %s", ctime(&ts.tv_sec));
}
} else
return bus_default_message_handler(connection, message, INTROSPECTION, INTERFACES_LIST, properties);
if (!(reply = dbus_message_new_method_return(message)))
goto oom;
if (!dbus_connection_send(connection, reply, NULL))
goto oom;
dbus_message_unref(reply);
reply = NULL;
if (changed) {
if (!dbus_connection_send(connection, changed, NULL))
goto oom;
dbus_message_unref(changed);
}
return DBUS_HANDLER_RESULT_HANDLED;
oom:
if (reply)
dbus_message_unref(reply);
if (changed)
dbus_message_unref(changed);
dbus_error_free(&error);
return DBUS_HANDLER_RESULT_NEED_MEMORY;
}
static int connect_bus(DBusConnection **_bus) {
static const DBusObjectPathVTable timedate_vtable = {
.message_function = timedate_message_handler
};
DBusError error;
DBusConnection *bus = NULL;
int r;
assert(_bus);
dbus_error_init(&error);
bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error);
if (!bus) {
log_error("Failed to get system D-Bus connection: %s", error.message);
r = -ECONNREFUSED;
goto fail;
}
if (!dbus_connection_register_object_path(bus, "/org/freedesktop/timedate1", &timedate_vtable, NULL)) {
log_error("Not enough memory");
r = -ENOMEM;
goto fail;
}
if (dbus_bus_request_name(bus, "org.freedesktop.timedate1", DBUS_NAME_FLAG_DO_NOT_QUEUE, &error) < 0) {
log_error("Failed to register name on bus: %s", error.message);
r = -EEXIST;
goto fail;
}
if (_bus)
*_bus = bus;
return 0;
fail:
dbus_connection_close(bus);
dbus_connection_unref(bus);
dbus_error_free(&error);
return r;
}
int main(int argc, char *argv[]) {
int r;
DBusConnection *bus = NULL;
log_set_target(LOG_TARGET_AUTO);
log_parse_environment();
log_open();
if (argc != 1) {
log_error("This program takes no arguments.");
r = -EINVAL;
goto finish;
}
umask(0022);
r = read_data();
if (r < 0) {
log_error("Failed to read timezone data: %s", strerror(-r));
goto finish;
}
r = connect_bus(&bus);
if (r < 0)
goto finish;
while (dbus_connection_read_write_dispatch(bus, -1))
;
r = 0;
finish:
free_data();
if (bus) {
dbus_connection_flush(bus);
dbus_connection_close(bus);
dbus_connection_unref(bus);
}
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}

2
units/.gitignore vendored
View File

@ -1,3 +1,5 @@
systemd-localed.service
systemd-timedated.service
systemd-hostnamed.service
console-shell.service
systemd-sysctl.service

17
units/systemd-localed.service.in Normal file
View File

@ -0,0 +1,17 @@
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# See systemd.special(7) for details
[Unit]
Description=Locale Service
[Service]
ExecStart=@rootlibexecdir@/systemd-localed
Type=dbus
BusName=org.freedesktop.locale1
CapabilityBoundingSet=

17
units/systemd-timedated.service.in Normal file
View File

@ -0,0 +1,17 @@
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# See systemd.special(7) for details
[Unit]
Description=Time & Date Service
[Service]
ExecStart=@rootlibexecdir@/systemd-timedated
Type=dbus
BusName=org.freedesktop.timedate1
CapabilityBoundingSet=CAP_SYS_TIME