/* SPDX-License-Identifier: LGPL-2.1+ */
-/***
- 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 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 <http://www.gnu.org/licenses/>.
-***/
#include <errno.h>
#include <sys/prctl.h>
#include "fs-util.h"
#include "install.h"
#include "log.h"
+#include "os-util.h"
#include "parse-util.h"
#include "path-util.h"
#include "selinux-access.h"
(force ? UNIT_FILE_FORCE : 0);
}
-static int property_get_version(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- assert(bus);
- assert(reply);
-
- return sd_bus_message_append(reply, "s", PACKAGE_VERSION);
-}
-
-static int property_get_features(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- assert(bus);
- assert(reply);
-
- return sd_bus_message_append(reply, "s", SYSTEMD_FEATURES);
-}
+static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_version, "s", PACKAGE_VERSION);
+static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_features, "s", SYSTEMD_FEATURES);
+static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_architecture, "s", architecture_to_string(uname_architecture()));
+static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_log_target, "s", log_target_to_string(log_get_target()));
+static BUS_DEFINE_PROPERTY_GET2(property_get_system_state, "s", Manager, manager_state, manager_state_to_string);
+static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_timer_slack_nsec, "t", (uint64_t) prctl(PR_GET_TIMERSLACK));
+static BUS_DEFINE_PROPERTY_GET_REF(property_get_hashmap_size, "u", Hashmap *, hashmap_size);
+static BUS_DEFINE_PROPERTY_GET_REF(property_get_set_size, "u", Set *, set_size);
static int property_get_virtualization(
sd_bus *bus,
return sd_bus_message_append(
reply, "s",
- v == VIRTUALIZATION_NONE ? "" : virtualization_to_string(v));
-}
-
-static int property_get_architecture(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- assert(bus);
- assert(reply);
-
- return sd_bus_message_append(reply, "s", architecture_to_string(uname_architecture()));
+ v == VIRTUALIZATION_NONE ? NULL : virtualization_to_string(v));
}
static int property_get_tainted(
return sd_bus_message_append(reply, "s", s);
}
-static int property_get_log_target(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- assert(bus);
- assert(reply);
-
- return sd_bus_message_append(reply, "s", log_target_to_string(log_get_target()));
-}
-
static int property_set_log_target(
sd_bus *bus,
const char *path,
void *userdata,
sd_bus_error *error) {
+ Manager *m = userdata;
const char *t;
int r;
if (r < 0)
return r;
- return log_set_target_from_string(t);
+ if (isempty(t))
+ manager_restore_original_log_target(m);
+ else {
+ LogTarget target;
+
+ target = log_target_from_string(t);
+ if (target < 0)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid log target '%s'", t);
+
+ manager_override_log_target(m, target);
+ }
+
+ return 0;
}
static int property_get_log_level(
void *userdata,
sd_bus_error *error) {
+ Manager *m = userdata;
const char *t;
int r;
if (r < 0)
return r;
- r = log_set_max_level_from_string(t);
- if (r == 0)
- log_info("Setting log level to %s.", t);
- return r;
-}
-
-static int property_get_n_names(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- Manager *m = userdata;
-
- assert(bus);
- assert(reply);
- assert(m);
-
- return sd_bus_message_append(reply, "u", (uint32_t) hashmap_size(m->units));
-}
-
-static int property_get_n_failed_units(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- Manager *m = userdata;
-
- assert(bus);
- assert(reply);
- assert(m);
-
- return sd_bus_message_append(reply, "u", (uint32_t) set_size(m->failed_units));
-}
-
-static int property_get_n_jobs(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
+ if (isempty(t))
+ manager_restore_original_log_level(m);
+ else {
+ int level;
- Manager *m = userdata;
+ level = log_level_from_string(t);
+ if (level < 0)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid log level '%s'", t);
- assert(bus);
- assert(reply);
- assert(m);
+ manager_override_log_level(m, level);
+ }
- return sd_bus_message_append(reply, "u", (uint32_t) hashmap_size(m->jobs));
+ return 0;
}
static int property_get_progress(
return sd_bus_message_append(reply, "d", d);
}
-static int property_get_system_state(
+static int property_get_show_status(
sd_bus *bus,
const char *path,
const char *interface,
sd_bus_error *error) {
Manager *m = userdata;
+ int b;
assert(bus);
assert(reply);
assert(m);
- return sd_bus_message_append(reply, "s", manager_state_to_string(manager_state(m)));
+ b = m->show_status > 0;
+ return sd_bus_message_append_basic(reply, 'b', &b);
}
static int property_set_runtime_watchdog(
return watchdog_set_timeout(t);
}
-static int property_get_timer_slack_nsec(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- assert(bus);
- assert(reply);
-
- return sd_bus_message_append(reply, "t", (uint64_t) prctl(PR_GET_TIMERSLACK));
-}
-
static int bus_get_unit_by_name(Manager *m, sd_bus_message *message, const char *name, Unit **ret_unit, sd_bus_error *error) {
Unit *u;
int r;
return sd_bus_reply_method_return(message, "o", path);
}
+static int method_get_unit_by_control_group(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ _cleanup_free_ char *path = NULL;
+ Manager *m = userdata;
+ const char *cgroup;
+ Unit *u;
+ int r;
+
+ r = sd_bus_message_read(message, "s", &cgroup);
+ if (r < 0)
+ return r;
+
+ u = manager_get_unit_by_cgroup(m, cgroup);
+ if (!u)
+ return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Control group '%s' is not valid or not managed by this instance", cgroup);
+
+ r = mac_selinux_unit_access_check(u, message, "status", error);
+ if (r < 0)
+ return r;
+
+ path = unit_dbus_path(u);
+ if (!path)
+ return -ENOMEM;
+
+ return sd_bus_reply_method_return(message, "o", path);
+}
+
static int method_load_unit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
_cleanup_free_ char *path = NULL;
Manager *m = userdata;
if (r < 0)
return r;
- r = bus_unit_check_load_state(u, error);
+ r = bus_unit_validate_load_state(u, error);
if (r < 0)
return r;
if (r < 0)
return r;
- r = bus_unit_check_load_state(u, error);
+ r = bus_unit_validate_load_state(u, error);
if (r < 0)
return r;
if (r < 0)
return r;
- r = bus_unit_check_load_state(u, error);
+ r = bus_unit_validate_load_state(u, error);
if (r < 0)
return r;
return sd_bus_reply_method_return(message, NULL);
}
-static int method_dump(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+static int dump_impl(sd_bus_message *message, void *userdata, sd_bus_error *error, int (*reply)(sd_bus_message *, char *)) {
_cleanup_free_ char *dump = NULL;
Manager *m = userdata;
int r;
if (r < 0)
return r;
+ return reply(message, dump);
+}
+
+static int reply_dump(sd_bus_message *message, char *dump) {
return sd_bus_reply_method_return(message, "s", dump);
}
+static int method_dump(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ return dump_impl(message, userdata, error, reply_dump);
+}
+
+static int reply_dump_by_fd(sd_bus_message *message, char *dump) {
+ _cleanup_close_ int fd = -1;
+
+ fd = acquire_data_fd(dump, strlen(dump), 0);
+ if (fd < 0)
+ return fd;
+
+ return sd_bus_reply_method_return(message, "h", fd);
+}
+
+static int method_dump_by_fd(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ return dump_impl(message, userdata, error, reply_dump_by_fd);
+}
+
static int method_refuse_snapshot(sd_bus_message *message, void *userdata, sd_bus_error *error) {
return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Support for snapshots has been removed.");
}
if (!path_is_absolute(init))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path to init binary '%s' not absolute.", init);
- r = chase_symlinks(init, root, CHASE_PREFIX_ROOT, &chased);
+ r = chase_symlinks(init, root, CHASE_PREFIX_ROOT|CHASE_TRAIL_SLASH, &chased);
if (r < 0)
return sd_bus_error_set_errnof(error, r, "Could not resolve init executable %s: %m", init);
return sd_bus_reply_method_return(message, "s", name);
}
+static int method_get_dynamic_users(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ Manager *m = userdata;
+ DynamicUser *d;
+ Iterator i;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ assert_cc(sizeof(uid_t) == sizeof(uint32_t));
+
+ if (!MANAGER_IS_SYSTEM(m))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Dynamic users are only supported in the system instance.");
+
+ r = sd_bus_message_new_method_return(message, &reply);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_open_container(reply, 'a', "(us)");
+ if (r < 0)
+ return r;
+
+ HASHMAP_FOREACH(d, m->dynamic_users, i) {
+ uid_t uid;
+
+ r = dynamic_user_current(d, &uid);
+ if (r == -EAGAIN) /* not realized yet? */
+ continue;
+ if (r < 0)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Failed to lookup a dynamic user.");
+
+ r = sd_bus_message_append(reply, "(us)", uid, d->name);
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_bus_message_close_container(reply);
+ if (r < 0)
+ return r;
+
+ return sd_bus_send(NULL, reply, NULL);
+}
+
static int list_unit_files_by_patterns(sd_bus_message *message, void *userdata, sd_bus_error *error, char **states, char **patterns) {
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
Manager *m = userdata;
sd_bus_error *error,
int c,
UnitFileChange *changes,
- unsigned n_changes) {
+ size_t n_changes) {
+
+ size_t i;
int r;
- unsigned i;
for (i = 0; i < n_changes; i++)
sd_bus_message *message,
int carries_install_info,
UnitFileChange *changes,
- unsigned n_changes,
+ size_t n_changes,
sd_bus_error *error) {
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
bool bad = false, good = false;
- unsigned i;
+ size_t i;
int r;
if (unit_file_changes_have_modification(changes, n_changes)) {
static int method_enable_unit_files_generic(
sd_bus_message *message,
Manager *m,
- int (*call)(UnitFileScope scope, UnitFileFlags flags, const char *root_dir, char *files[], UnitFileChange **changes, unsigned *n_changes),
+ int (*call)(UnitFileScope scope, UnitFileFlags flags, const char *root_dir, char *files[], UnitFileChange **changes, size_t *n_changes),
bool carries_install_info,
sd_bus_error *error) {
_cleanup_strv_free_ char **l = NULL;
UnitFileChange *changes = NULL;
- unsigned n_changes = 0;
+ size_t n_changes = 0;
UnitFileFlags flags;
int runtime, force, r;
return method_enable_unit_files_generic(message, userdata, unit_file_link, false, error);
}
-static int unit_file_preset_without_mode(UnitFileScope scope, UnitFileFlags flags, const char *root_dir, char **files, UnitFileChange **changes, unsigned *n_changes) {
+static int unit_file_preset_without_mode(UnitFileScope scope, UnitFileFlags flags, const char *root_dir, char **files, UnitFileChange **changes, size_t *n_changes) {
return unit_file_preset(scope, flags, root_dir, files, UNIT_FILE_PRESET_FULL, changes, n_changes);
}
_cleanup_strv_free_ char **l = NULL;
UnitFileChange *changes = NULL;
- unsigned n_changes = 0;
+ size_t n_changes = 0;
Manager *m = userdata;
UnitFilePresetMode mm;
int runtime, force, r;
static int method_disable_unit_files_generic(
sd_bus_message *message,
Manager *m,
- int (*call)(UnitFileScope scope, UnitFileFlags flags, const char *root_dir, char *files[], UnitFileChange **changes, unsigned *n_changes),
+ int (*call)(UnitFileScope scope, UnitFileFlags flags, const char *root_dir, char *files[], UnitFileChange **changes, size_t *n_changes),
sd_bus_error *error) {
_cleanup_strv_free_ char **l = NULL;
UnitFileChange *changes = NULL;
- unsigned n_changes = 0;
+ size_t n_changes = 0;
int r, runtime;
assert(message);
static int method_revert_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
_cleanup_strv_free_ char **l = NULL;
UnitFileChange *changes = NULL;
- unsigned n_changes = 0;
+ size_t n_changes = 0;
Manager *m = userdata;
int r;
static int method_set_default_target(sd_bus_message *message, void *userdata, sd_bus_error *error) {
UnitFileChange *changes = NULL;
- unsigned n_changes = 0;
+ size_t n_changes = 0;
Manager *m = userdata;
const char *name;
int force, r;
static int method_preset_all_unit_files(sd_bus_message *message, void *userdata, sd_bus_error *error) {
UnitFileChange *changes = NULL;
- unsigned n_changes = 0;
+ size_t n_changes = 0;
Manager *m = userdata;
UnitFilePresetMode mm;
const char *mode;
_cleanup_strv_free_ char **l = NULL;
Manager *m = userdata;
UnitFileChange *changes = NULL;
- unsigned n_changes = 0;
+ size_t n_changes = 0;
int runtime, force, r;
char *target, *type;
UnitDependency dep;
static int method_get_unit_file_links(sd_bus_message *message, void *userdata, sd_bus_error *error) {
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
UnitFileChange *changes = NULL;
- unsigned n_changes = 0, i;
+ size_t n_changes = 0, i;
UnitFileFlags flags;
const char *name;
char **p;
BUS_PROPERTY_DUAL_TIMESTAMP("UnitsLoadFinishTimestamp", offsetof(Manager, timestamps[MANAGER_TIMESTAMP_UNITS_LOAD_FINISH]), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_WRITABLE_PROPERTY("LogLevel", "s", property_get_log_level, property_set_log_level, 0, 0),
SD_BUS_WRITABLE_PROPERTY("LogTarget", "s", property_get_log_target, property_set_log_target, 0, 0),
- SD_BUS_PROPERTY("NNames", "u", property_get_n_names, 0, 0),
- SD_BUS_PROPERTY("NFailedUnits", "u", property_get_n_failed_units, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
- SD_BUS_PROPERTY("NJobs", "u", property_get_n_jobs, 0, 0),
+ SD_BUS_PROPERTY("NNames", "u", property_get_hashmap_size, offsetof(Manager, units), 0),
+ SD_BUS_PROPERTY("NFailedUnits", "u", property_get_set_size, offsetof(Manager, failed_units), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("NJobs", "u", property_get_hashmap_size, offsetof(Manager, jobs), 0),
SD_BUS_PROPERTY("NInstalledJobs", "u", bus_property_get_unsigned, offsetof(Manager, n_installed_jobs), 0),
SD_BUS_PROPERTY("NFailedJobs", "u", bus_property_get_unsigned, offsetof(Manager, n_failed_jobs), 0),
SD_BUS_PROPERTY("Progress", "d", property_get_progress, 0, 0),
SD_BUS_PROPERTY("Environment", "as", NULL, offsetof(Manager, environment), 0),
SD_BUS_PROPERTY("ConfirmSpawn", "b", bus_property_get_bool, offsetof(Manager, confirm_spawn), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("ShowStatus", "b", bus_property_get_bool, offsetof(Manager, show_status), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("ShowStatus", "b", property_get_show_status, 0, 0),
SD_BUS_PROPERTY("UnitPath", "as", NULL, offsetof(Manager, lookup_paths.search_path), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("DefaultStandardOutput", "s", bus_property_get_exec_output, offsetof(Manager, default_std_output), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("DefaultStandardError", "s", bus_property_get_exec_output, offsetof(Manager, default_std_output), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_METHOD("GetUnit", "s", "o", method_get_unit, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("GetUnitByPID", "u", "o", method_get_unit_by_pid, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("GetUnitByInvocationID", "ay", "o", method_get_unit_by_invocation_id, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("GetUnitByControlGroup", "s", "o", method_get_unit_by_control_group, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("LoadUnit", "s", "o", method_load_unit, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("StartUnit", "ss", "o", method_start_unit, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("StartUnitReplace", "sss", "o", method_start_unit_replace, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("Subscribe", NULL, NULL, method_subscribe, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("Unsubscribe", NULL, NULL, method_unsubscribe, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("Dump", NULL, "s", method_dump, SD_BUS_VTABLE_UNPRIVILEGED),
- SD_BUS_METHOD("CreateSnapshot", "sb", "o", method_refuse_snapshot, SD_BUS_VTABLE_UNPRIVILEGED),
- SD_BUS_METHOD("RemoveSnapshot", "s", NULL, method_refuse_snapshot, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("DumpByFileDescriptor", NULL, "h", method_dump_by_fd, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("CreateSnapshot", "sb", "o", method_refuse_snapshot, SD_BUS_VTABLE_UNPRIVILEGED|SD_BUS_VTABLE_HIDDEN),
+ SD_BUS_METHOD("RemoveSnapshot", "s", NULL, method_refuse_snapshot, SD_BUS_VTABLE_UNPRIVILEGED|SD_BUS_VTABLE_HIDDEN),
SD_BUS_METHOD("Reload", NULL, NULL, method_reload, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("Reexecute", NULL, NULL, method_reexecute, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("Exit", NULL, NULL, method_exit, 0),
SD_BUS_METHOD("SetExitCode", "y", NULL, method_set_exit_code, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("LookupDynamicUserByName", "s", "u", method_lookup_dynamic_user_by_name, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("LookupDynamicUserByUID", "u", "s", method_lookup_dynamic_user_by_uid, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("GetDynamicUsers", NULL, "a(us)", method_get_dynamic_users, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_SIGNAL("UnitNew", "so", 0),
SD_BUS_SIGNAL("UnitRemoved", "so", 0),
projects / thirdparty / systemd.git / blobdiff