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Diffstat (limited to 'src/login/logind-dbus.c')
-rw-r--r--src/login/logind-dbus.c578
1 files changed, 418 insertions, 160 deletions
diff --git a/src/login/logind-dbus.c b/src/login/logind-dbus.c
index 631006924..d8d25b004 100644
--- a/src/login/logind-dbus.c
+++ b/src/login/logind-dbus.c
@@ -38,6 +38,8 @@
#include "label.h"
#include "utf8.h"
#include "unit-name.h"
+#include "bus-errors.h"
+#include "virt.h"
#define BUS_MANAGER_INTERFACE \
" <interface name=\"org.freedesktop.login1.Manager\">\n" \
@@ -94,9 +96,7 @@
" <arg name=\"remote\" type=\"b\" direction=\"in\"/>\n" \
" <arg name=\"remote_user\" type=\"s\" direction=\"in\"/>\n" \
" <arg name=\"remote_host\" type=\"s\" direction=\"in\"/>\n" \
- " <arg name=\"controllers\" type=\"as\" direction=\"in\"/>\n" \
- " <arg name=\"reset_controllers\" type=\"as\" direction=\"in\"/>\n" \
- " <arg name=\"kill_processes\" type=\"b\" direction=\"in\"/>\n" \
+ " <arg name=\"scope_properties\" type=\"a(sv)\" direction=\"in\"/>\n" \
" <arg name=\"id\" type=\"s\" direction=\"out\"/>\n" \
" <arg name=\"path\" type=\"o\" direction=\"out\"/>\n" \
" <arg name=\"runtime_path\" type=\"o\" direction=\"out\"/>\n" \
@@ -114,8 +114,8 @@
" <arg name=\"service\" type=\"s\" direction=\"in\"/>\n" \
" <arg name=\"class\" type=\"s\" direction=\"in\"/>\n" \
" <arg name=\"leader\" type=\"u\" direction=\"in\"/>\n" \
- " <arg name=\"slice\" type=\"s\" direction=\"in\"/>\n" \
" <arg name=\"root_directory\" type=\"s\" direction=\"in\"/>\n" \
+ " <arg name=\"scope_properties\" type=\"a(sv)\" direction=\"in\"/>\n" \
" <arg name=\"path\" type=\"o\" direction=\"out\"/>\n" \
" </method>\n" \
" <method name=\"ActivateSession\">\n" \
@@ -345,27 +345,24 @@ static int bus_manager_append_preparing(DBusMessageIter *i, const char *property
return 0;
}
-static int bus_manager_create_session(Manager *m, DBusMessage *message, DBusMessage **_reply) {
+static int bus_manager_create_session(Manager *m, DBusMessage *message) {
+
const char *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *service;
uint32_t uid, leader, audit_id = 0;
- dbus_bool_t remote, kill_processes, exists;
- _cleanup_strv_free_ char **controllers = NULL, **reset_controllers = NULL;
- _cleanup_free_ char *cgroup = NULL, *id = NULL, *p = NULL;
- SessionType t;
- SessionClass c;
- DBusMessageIter iter;
- int r;
- uint32_t vtnr = 0;
- _cleanup_close_ int fifo_fd = -1;
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
+ _cleanup_free_ char *id = NULL;
Session *session = NULL;
User *user = NULL;
Seat *seat = NULL;
+ DBusMessageIter iter;
+ dbus_bool_t remote;
+ uint32_t vtnr = 0;
+ SessionType t;
+ SessionClass c;
bool b;
+ int r;
assert(m);
assert(message);
- assert(_reply);
if (!dbus_message_iter_init(message, &iter) ||
dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32)
@@ -515,67 +512,37 @@ static int bus_manager_create_session(Manager *m, DBusMessage *message, DBusMess
dbus_message_iter_get_basic(&iter, &remote_host);
- if (!dbus_message_iter_next(&iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
- dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRING)
- return -EINVAL;
-
- r = bus_parse_strv_iter(&iter, &controllers);
- if (r < 0)
- return -EINVAL;
-
- if (!dbus_message_iter_next(&iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
- dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRING) {
- r = -EINVAL;
- goto fail;
- }
-
- r = bus_parse_strv_iter(&iter, &reset_controllers);
- if (r < 0)
- goto fail;
-
- if (!dbus_message_iter_next(&iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN) {
- r = -EINVAL;
- goto fail;
- }
-
- dbus_message_iter_get_basic(&iter, &kill_processes);
-
if (leader <= 0) {
leader = bus_get_unix_process_id(m->bus, dbus_message_get_sender(message), NULL);
if (leader == 0)
return -EINVAL;
}
- r = cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, leader, &cgroup);
- if (r < 0)
- goto fail;
+ r = manager_get_session_by_pid(m, leader, &session);
+ if (session) {
+ _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
+ _cleanup_free_ char *path = NULL;
+ _cleanup_close_ int fifo_fd = -1;
+ bool exists;
- r = manager_get_session_by_cgroup(m, cgroup, &session);
- if (r < 0)
- goto fail;
+ /* Session already exists, client is probably
+ * something like "su" which changes uid but is still
+ * the same session */
- if (session) {
fifo_fd = session_create_fifo(session);
if (fifo_fd < 0) {
r = fifo_fd;
goto fail;
}
- /* Session already exists, client is probably
- * something like "su" which changes uid but
- * is still the same audit session */
-
- reply = dbus_message_new_method_return(message);
- if (!reply) {
+ path = session_bus_path(session);
+ if (!path) {
r = -ENOMEM;
goto fail;
}
- p = session_bus_path(session);
- if (!p) {
+ reply = dbus_message_new_method_return(message);
+ if (!reply) {
r = -ENOMEM;
goto fail;
}
@@ -587,7 +554,7 @@ static int bus_manager_create_session(Manager *m, DBusMessage *message, DBusMess
b = dbus_message_append_args(
reply,
DBUS_TYPE_STRING, &session->id,
- DBUS_TYPE_OBJECT_PATH, &p,
+ DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_STRING, &session->user->runtime_path,
DBUS_TYPE_UNIX_FD, &fifo_fd,
DBUS_TYPE_STRING, &cseat,
@@ -599,8 +566,10 @@ static int bus_manager_create_session(Manager *m, DBusMessage *message, DBusMess
goto fail;
}
- *_reply = reply;
- reply = NULL;
+ if (!dbus_connection_send(m->bus, reply, NULL)) {
+ r = -ENOMEM;
+ goto fail;
+ }
return 0;
}
@@ -654,13 +623,8 @@ static int bus_manager_create_session(Manager *m, DBusMessage *message, DBusMess
session->type = t;
session->class = c;
session->remote = remote;
- session->kill_processes = kill_processes;
session->vtnr = vtnr;
- session->controllers = cg_shorten_controllers(controllers);
- session->reset_controllers = cg_shorten_controllers(reset_controllers);
- controllers = reset_controllers = NULL;
-
if (!isempty(tty)) {
session->tty = strdup(tty);
if (!session->tty) {
@@ -701,12 +665,6 @@ static int bus_manager_create_session(Manager *m, DBusMessage *message, DBusMess
}
}
- fifo_fd = session_create_fifo(session);
- if (fifo_fd < 0) {
- r = fifo_fd;
- goto fail;
- }
-
if (seat) {
r = seat_attach_session(seat, session);
if (r < 0)
@@ -717,38 +675,7 @@ static int bus_manager_create_session(Manager *m, DBusMessage *message, DBusMess
if (r < 0)
goto fail;
- reply = dbus_message_new_method_return(message);
- if (!reply) {
- r = -ENOMEM;
- goto fail;
- }
-
- p = session_bus_path(session);
- if (!p) {
- r = -ENOMEM;
- goto fail;
- }
-
- cseat = seat ? seat->id : "";
- exists = false;
- b = dbus_message_append_args(
- reply,
- DBUS_TYPE_STRING, &session->id,
- DBUS_TYPE_OBJECT_PATH, &p,
- DBUS_TYPE_STRING, &session->user->runtime_path,
- DBUS_TYPE_UNIX_FD, &fifo_fd,
- DBUS_TYPE_STRING, &cseat,
- DBUS_TYPE_UINT32, &vtnr,
- DBUS_TYPE_BOOLEAN, &exists,
- DBUS_TYPE_INVALID);
-
- if (!b) {
- r = -ENOMEM;
- goto fail;
- }
-
- *_reply = reply;
- reply = NULL;
+ session->create_message = dbus_message_ref(message);
return 0;
@@ -779,26 +706,20 @@ static bool valid_machine_name(const char *p) {
return true;
}
-static int bus_manager_create_machine(
- Manager *manager,
- DBusMessage *message,
- DBusMessage **_reply) {
+static int bus_manager_create_machine(Manager *manager, DBusMessage *message) {
const char *name, *service, *class, *slice, *root_directory;
- _cleanup_dbus_message_unref_ DBusMessage *reply = NULL;
_cleanup_free_ char *p = NULL;
DBusMessageIter iter, sub;
MachineClass c;
uint32_t leader;
sd_id128_t id;
- dbus_bool_t b;
Machine *m;
int n, r;
void *v;
assert(manager);
assert(message);
- assert(_reply);
if (!dbus_message_iter_init(message, &iter) ||
dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
@@ -887,14 +808,6 @@ static int bus_manager_create_machine(
}
}
- if (!isempty(slice)) {
- m->slice = strdup(slice);
- if (!m->slice) {
- r = -ENOMEM;
- goto fail;
- }
- }
-
if (!isempty(root_directory)) {
m->root_directory = strdup(root_directory);
if (!m->root_directory) {
@@ -907,29 +820,8 @@ static int bus_manager_create_machine(
if (r < 0)
goto fail;
- reply = dbus_message_new_method_return(message);
- if (!reply) {
- r = -ENOMEM;
- goto fail;
- }
-
- p = machine_bus_path(m);
- if (!p) {
- r = -ENOMEM;
- goto fail;
- }
-
- b = dbus_message_append_args(
- reply,
- DBUS_TYPE_OBJECT_PATH, &p,
- DBUS_TYPE_INVALID);
- if (!b) {
- r = -ENOMEM;
- goto fail;
- }
+ m->create_message = dbus_message_ref(message);
- *_reply = reply;
- reply = NULL;
return 0;
fail:
@@ -1608,8 +1500,6 @@ static int bus_manager_do_shutdown_or_sleep(
static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_handle_action, handle_action, HandleAction);
static const BusProperty bus_login_manager_properties[] = {
- { "Controllers", bus_property_append_strv, "as", offsetof(Manager, controllers), true },
- { "ResetControllers", bus_property_append_strv, "as", offsetof(Manager, reset_controllers), true },
{ "NAutoVTs", bus_property_append_unsigned, "u", offsetof(Manager, n_autovts) },
{ "KillOnlyUsers", bus_property_append_strv, "as", offsetof(Manager, kill_only_users), true },
{ "KillExcludeUsers", bus_property_append_strv, "as", offsetof(Manager, kill_exclude_users), true },
@@ -2109,7 +1999,7 @@ static DBusHandlerResult manager_message_handler(
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CreateSession")) {
- r = bus_manager_create_session(m, message, &reply);
+ r = bus_manager_create_session(m, message);
/* Don't delay the work on OOM here, since it might be
* triggered by a low RLIMIT_NOFILE here (since we
@@ -2118,9 +2008,10 @@ static DBusHandlerResult manager_message_handler(
if (r < 0)
return bus_send_error_reply(connection, message, NULL, r);
+
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CreateMachine")) {
- r = bus_manager_create_machine(m, message, &reply);
+ r = bus_manager_create_machine(m, message);
if (r < 0)
return bus_send_error_reply(connection, message, NULL, r);
@@ -2753,7 +2644,7 @@ static DBusHandlerResult manager_message_handler(
if (reply) {
if (!bus_maybe_send_reply(connection, message, reply))
- goto oom;
+ goto oom;
}
return DBUS_HANDLER_RESULT_HANDLED;
@@ -2782,29 +2673,23 @@ DBusHandlerResult bus_message_filter(
dbus_error_init(&error);
- if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Agent", "Released")) {
- const char *cgroup;
+ 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_get_args(message, &error,
- DBUS_TYPE_STRING, &cgroup,
- DBUS_TYPE_INVALID))
- log_error("Failed to parse Released message: %s", bus_error_message(&error));
- else
- manager_cgroup_notify_empty(m, cgroup);
-
- } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) {
- uint32_t id;
+ if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) {
const char *path, *result, *unit;
+ 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))
+ DBUS_TYPE_INVALID)) {
log_error("Failed to parse JobRemoved message: %s", bus_error_message(&error));
+ goto finish;
+ }
- else if (m->action_job && streq(m->action_job, path)) {
+ if (m->action_job && streq(m->action_job, path)) {
log_info("Operation finished.");
/* Tell people that they now may take a lock again */
@@ -2814,9 +2699,97 @@ DBusHandlerResult bus_message_filter(
m->action_job = NULL;
m->action_unit = NULL;
m->action_what = 0;
+
+ } else {
+ Machine *mm;
+ Session *s;
+ User *u;
+
+ s = hashmap_get(m->session_units, unit);
+ if (s) {
+ if (streq_ptr(path, s->scope_job)) {
+ free(s->scope_job);
+ s->scope_job = NULL;
+
+ if (s->started) {
+ if (streq(result, "done"))
+ session_send_create_reply(s, NULL);
+ else {
+ dbus_set_error(&error, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
+ session_send_create_reply(s, &error);
+ }
+ }
+ }
+
+ session_add_to_gc_queue(s);
+ }
+
+ u = hashmap_get(m->user_units, unit);
+ if (u) {
+ if (streq_ptr(path, u->service_job)) {
+ free(u->service_job);
+ u->service_job = NULL;
+ }
+
+ if (streq_ptr(path, u->slice_job)) {
+ free(u->slice_job);
+ u->slice_job = NULL;
+ }
+
+ user_add_to_gc_queue(u);
+ }
+
+ mm = hashmap_get(m->machine_units, unit);
+ if (mm) {
+ if (streq_ptr(path, mm->scope_job)) {
+ free(mm->scope_job);
+ mm->scope_job = NULL;
+
+ 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;
+ Session *s;
+ User *u;
+
+ s = hashmap_get(m->session_units, unit);
+ if (s)
+ session_add_to_gc_queue(s);
+
+ u = hashmap_get(m->user_units, unit);
+ if (u)
+ user_add_to_gc_queue(u);
+
+ mm = hashmap_get(m->machine_units, unit);
+ if (mm)
+ machine_add_to_gc_queue(mm);
}
}
+finish:
dbus_error_free(&error);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
@@ -2871,3 +2844,288 @@ int manager_dispatch_delayed(Manager *manager) {
return 1;
}
+
+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_start_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",
+ "StartUnit",
+ &reply,
+ error,
+ DBUS_TYPE_STRING, &unit,
+ DBUS_TYPE_STRING, &fail,
+ DBUS_TYPE_INVALID);
+ if (r < 0) {
+ log_error("Failed to start 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_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");
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-01 17:11:32 +0000