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-rw-r--r--src/core/dbus-job.c29
-rw-r--r--src/core/dbus-job.h2
-rw-r--r--src/core/dbus-manager.c162
-rw-r--r--src/core/dbus-scope.c7
-rw-r--r--src/core/dbus-unit.c24
-rw-r--r--src/core/dbus.c23
-rw-r--r--src/core/dbus.h5
-rw-r--r--src/core/job.c10
-rw-r--r--src/core/job.h12
-rw-r--r--src/core/manager.h3
-rw-r--r--src/core/org.freedesktop.systemd1.conf108
-rw-r--r--src/core/org.freedesktop.systemd1.policy.in.in30
-rw-r--r--src/hostname/hostnamed.c14
-rw-r--r--src/libsystemd/sd-bus/bus-internal.h2
-rw-r--r--src/libsystemd/sd-bus/bus-match.c10
-rw-r--r--src/libsystemd/sd-bus/bus-objects.c16
-rw-r--r--src/libsystemd/sd-bus/bus-slot.c20
-rw-r--r--src/libsystemd/sd-bus/bus-util.c59
-rw-r--r--src/libsystemd/sd-bus/bus-util.h6
-rw-r--r--src/libsystemd/sd-bus/sd-bus.c28
-rw-r--r--src/locale/localed.c18
-rw-r--r--src/login/logind-dbus.c64
-rw-r--r--src/login/logind.c2
-rw-r--r--src/systemd/sd-bus.h6
-rw-r--r--src/timedate/timedated.c14
25 files changed, 530 insertions, 144 deletions
diff --git a/src/core/dbus-job.c b/src/core/dbus-job.c
index 8e4ffc977d..eb7257d681 100644
--- a/src/core/dbus-job.c
+++ b/src/core/dbus-job.c
@@ -29,6 +29,23 @@
static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, job_type, JobType);
static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_state, job_state, JobState);
+static int verify_sys_admin_or_owner_sync(sd_bus_message *message, Job *j, sd_bus_error *error) {
+ _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
+ int r;
+
+ if (sd_bus_track_contains(j->clients, sd_bus_message_get_sender(message)))
+ return 0; /* One of the job owners is calling us */
+
+ r = sd_bus_query_sender_privilege(message, CAP_SYS_ADMIN);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, "Access denied to perform action");
+
+ /* Root has called us */
+ return 0;
+}
+
static int property_get_unit(
sd_bus *bus,
const char *path,
@@ -52,7 +69,7 @@ static int property_get_unit(
return sd_bus_message_append(reply, "(so)", j->unit->id, p);
}
-static int method_cancel(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+int bus_job_method_cancel(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
Job *j = userdata;
int r;
@@ -60,6 +77,10 @@ static int method_cancel(sd_bus *bus, sd_bus_message *message, void *userdata, s
assert(message);
assert(j);
+ r = verify_sys_admin_or_owner_sync(message, j, error);
+ if (r < 0)
+ return r;
+
r = selinux_unit_access_check(j->unit, message, "stop", error);
if (r < 0)
return r;
@@ -71,7 +92,7 @@ static int method_cancel(sd_bus *bus, sd_bus_message *message, void *userdata, s
const sd_bus_vtable bus_job_vtable[] = {
SD_BUS_VTABLE_START(0),
- SD_BUS_METHOD("Cancel", NULL, NULL, method_cancel, 0),
+ SD_BUS_METHOD("Cancel", NULL, NULL, bus_job_method_cancel, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_PROPERTY("Id", "u", NULL, offsetof(Job, id), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("Unit", "(so)", property_get_unit, 0, SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("JobType", "s", property_get_type, offsetof(Job, type), SD_BUS_VTABLE_PROPERTY_CONST),
@@ -132,7 +153,7 @@ void bus_job_send_change_signal(Job *j) {
j->in_dbus_queue = false;
}
- r = bus_foreach_bus(j->manager, j->subscribed, j->sent_dbus_new_signal ? send_changed_signal : send_new_signal, j);
+ r = bus_foreach_bus(j->manager, j->clients, j->sent_dbus_new_signal ? send_changed_signal : send_new_signal, j);
if (r < 0)
log_debug("Failed to send job change signal for %u: %s", j->id, strerror(-r));
@@ -176,7 +197,7 @@ void bus_job_send_removed_signal(Job *j) {
if (!j->sent_dbus_new_signal)
bus_job_send_change_signal(j);
- r = bus_foreach_bus(j->manager, j->subscribed, send_removed_signal, j);
+ r = bus_foreach_bus(j->manager, j->clients, send_removed_signal, j);
if (r < 0)
log_debug("Failed to send job remove signal for %u: %s", j->id, strerror(-r));
}
diff --git a/src/core/dbus-job.h b/src/core/dbus-job.h
index d1d0f6ddf0..6c2fc0789c 100644
--- a/src/core/dbus-job.h
+++ b/src/core/dbus-job.h
@@ -26,5 +26,7 @@
extern const sd_bus_vtable bus_job_vtable[];
+int bus_job_method_cancel(sd_bus *bus, sd_bus_message *message, void *job, sd_bus_error *error);
+
void bus_job_send_change_signal(Job *j);
void bus_job_send_removed_signal(Job *j);
diff --git a/src/core/dbus-manager.c b/src/core/dbus-manager.c
index ffef0c7d05..008cf6b4cd 100644
--- a/src/core/dbus-manager.c
+++ b/src/core/dbus-manager.c
@@ -34,6 +34,7 @@
#include "architecture.h"
#include "env-util.h"
#include "dbus.h"
+#include "dbus-job.h"
#include "dbus-manager.h"
#include "dbus-unit.h"
#include "dbus-snapshot.h"
@@ -352,6 +353,8 @@ static int method_get_unit(sd_bus *bus, sd_bus_message *message, void *userdata,
assert(message);
assert(m);
+ /* Anyone can call this method */
+
r = sd_bus_message_read(message, "s", &name);
if (r < 0)
return r;
@@ -384,6 +387,8 @@ static int method_get_unit_by_pid(sd_bus *bus, sd_bus_message *message, void *us
assert_cc(sizeof(pid_t) == sizeof(uint32_t));
+ /* Anyone can call this method */
+
r = sd_bus_message_read(message, "u", &pid);
if (r < 0)
return r;
@@ -426,6 +431,8 @@ static int method_load_unit(sd_bus *bus, sd_bus_message *message, void *userdata
assert(message);
assert(m);
+ /* Anyone can call this method */
+
r = sd_bus_message_read(message, "s", &name);
if (r < 0)
return r;
@@ -454,6 +461,12 @@ static int method_start_unit_generic(sd_bus *bus, sd_bus_message *message, Manag
assert(message);
assert(m);
+ r = bus_verify_manage_unit_async(m, message, error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
r = sd_bus_message_read(message, "s", &name);
if (r < 0)
return r;
@@ -503,6 +516,12 @@ static int method_start_unit_replace(sd_bus *bus, sd_bus_message *message, void
assert(message);
assert(m);
+ r = bus_verify_manage_unit_async(m, message, error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
r = sd_bus_message_read(message, "s", &old_name);
if (r < 0)
return r;
@@ -524,6 +543,13 @@ static int method_kill_unit(sd_bus *bus, sd_bus_message *message, void *userdata
assert(message);
assert(m);
+ /* Like bus_verify_manage_unit_async(), but uses CAP_SYS_KILL */
+ r = bus_verify_manage_unit_async_for_kill(m, message, error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
r = sd_bus_message_read(message, "s", &name);
if (r < 0)
return r;
@@ -545,6 +571,12 @@ static int method_reset_failed_unit(sd_bus *bus, sd_bus_message *message, void *
assert(message);
assert(m);
+ r = bus_verify_manage_unit_async(m, message, error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
r = sd_bus_message_read(message, "s", &name);
if (r < 0)
return r;
@@ -566,6 +598,12 @@ static int method_set_unit_properties(sd_bus *bus, sd_bus_message *message, void
assert(message);
assert(m);
+ r = bus_verify_manage_unit_async(m, message, error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
r = sd_bus_message_read(message, "s", &name);
if (r < 0)
return r;
@@ -589,6 +627,12 @@ static int method_start_transient_unit(sd_bus *bus, sd_bus_message *message, voi
assert(message);
assert(m);
+ r = bus_verify_manage_unit_async(m, message, error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
r = sd_bus_message_read(message, "ss", &name, &smode);
if (r < 0)
return r;
@@ -648,6 +692,8 @@ static int method_get_job(sd_bus *bus, sd_bus_message *message, void *userdata,
assert(message);
assert(m);
+ /* Anyone can call this method */
+
r = sd_bus_message_read(message, "u", &id);
if (r < 0)
return r;
@@ -685,13 +731,7 @@ static int method_cancel_job(sd_bus *bus, sd_bus_message *message, void *userdat
if (!j)
return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id);
- r = selinux_unit_access_check(j->unit, message, "stop", error);
- if (r < 0)
- return r;
-
- job_finish_and_invalidate(j, JOB_CANCELED, true);
-
- return sd_bus_reply_method_return(message, NULL);
+ return bus_job_method_cancel(bus, message, j, error);
}
static int method_clear_jobs(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
@@ -740,6 +780,8 @@ static int list_units_filtered(sd_bus *bus, sd_bus_message *message, void *userd
assert(message);
assert(m);
+ /* Anyone can call this method */
+
r = selinux_access_check(message, "status", error);
if (r < 0)
return r;
@@ -826,6 +868,8 @@ static int method_list_jobs(sd_bus *bus, sd_bus_message *message, void *userdata
assert(message);
assert(m);
+ /* Anyone can call this method */
+
r = selinux_access_check(message, "status", error);
if (r < 0)
return r;
@@ -876,6 +920,8 @@ static int method_subscribe(sd_bus *bus, sd_bus_message *message, void *userdata
assert(message);
assert(m);
+ /* Anyone can call this method */
+
r = selinux_access_check(message, "status", error);
if (r < 0)
return r;
@@ -909,6 +955,8 @@ static int method_unsubscribe(sd_bus *bus, sd_bus_message *message, void *userda
assert(message);
assert(m);
+ /* Anyone can call this method */
+
r = selinux_access_check(message, "status", error);
if (r < 0)
return r;
@@ -935,6 +983,8 @@ static int method_dump(sd_bus *bus, sd_bus_message *message, void *userdata, sd_
assert(message);
assert(m);
+ /* Anyone can call this method */
+
r = selinux_access_check(message, "status", error);
if (r < 0)
return r;
@@ -1024,6 +1074,12 @@ static int method_reload(sd_bus *bus, sd_bus_message *message, void *userdata, s
assert(message);
assert(m);
+ r = bus_verify_reload_daemon_async(m, message, error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
r = selinux_access_check(message, "reload", error);
if (r < 0)
return r;
@@ -1052,6 +1108,12 @@ static int method_reexecute(sd_bus *bus, sd_bus_message *message, void *userdata
assert(message);
assert(m);
+ r = bus_verify_reload_daemon_async(m, message, error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
r = selinux_access_check(message, "reload", error);
if (r < 0)
return r;
@@ -1327,6 +1389,8 @@ static int method_list_unit_files(sd_bus *bus, sd_bus_message *message, void *us
assert(message);
assert(m);
+ /* Anyone can call this method */
+
r = selinux_access_check(message, "status", error);
if (r < 0)
return r;
@@ -1378,6 +1442,8 @@ static int method_get_unit_file_state(sd_bus *bus, sd_bus_message *message, void
assert(message);
assert(m);
+ /* Anyone can call this method */
+
r = selinux_access_check(message, "status", error);
if (r < 0)
return r;
@@ -1405,6 +1471,8 @@ static int method_get_default_target(sd_bus *bus, sd_bus_message *message, void
assert(message);
assert(m);
+ /* Anyone can call this method */
+
r = selinux_access_check(message, "status", error);
if (r < 0)
return r;
@@ -1506,6 +1574,12 @@ static int method_enable_unit_files_generic(
assert(message);
assert(m);
+ r = bus_verify_manage_unit_files_async(m, message, error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
r = sd_bus_message_read_strv(message, &l);
if (r < 0)
return r;
@@ -1578,6 +1652,12 @@ static int method_preset_unit_files_with_mode(sd_bus *bus, sd_bus_message *messa
assert(message);
assert(m);
+ r = bus_verify_manage_unit_files_async(m, message, error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
r = sd_bus_message_read_strv(message, &l);
if (r < 0)
return r;
@@ -1634,6 +1714,12 @@ static int method_disable_unit_files_generic(
assert(message);
assert(m);
+ r = bus_verify_manage_unit_files_async(m, message, error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
r = selinux_access_check(message, verb, error);
if (r < 0)
return r;
@@ -1675,6 +1761,12 @@ static int method_set_default_target(sd_bus *bus, sd_bus_message *message, void
assert(message);
assert(m);
+ r = bus_verify_manage_unit_files_async(m, message, error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
r = selinux_access_check(message, "enable", error);
if (r < 0)
return r;
@@ -1705,6 +1797,12 @@ static int method_preset_all_unit_files(sd_bus *bus, sd_bus_message *message, vo
assert(message);
assert(m);
+ r = bus_verify_manage_unit_files_async(m, message, error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
r = selinux_access_check(message, "enable", error);
if (r < 0)
return r;
@@ -1772,20 +1870,20 @@ const sd_bus_vtable bus_manager_vtable[] = {
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("LoadUnit", "s", "o", method_load_unit, SD_BUS_VTABLE_UNPRIVILEGED),
- SD_BUS_METHOD("StartUnit", "ss", "o", method_start_unit, 0),
- SD_BUS_METHOD("StartUnitReplace", "sss", "o", method_start_unit_replace, 0),
- SD_BUS_METHOD("StopUnit", "ss", "o", method_stop_unit, 0),
- SD_BUS_METHOD("ReloadUnit", "ss", "o", method_reload_unit, 0),
- SD_BUS_METHOD("RestartUnit", "ss", "o", method_restart_unit, 0),
- SD_BUS_METHOD("TryRestartUnit", "ss", "o", method_try_restart_unit, 0),
- SD_BUS_METHOD("ReloadOrRestartUnit", "ss", "o", method_reload_or_restart_unit, 0),
- SD_BUS_METHOD("ReloadOrTryRestartUnit", "ss", "o", method_reload_or_try_restart_unit, 0),
- SD_BUS_METHOD("KillUnit", "ssi", NULL, method_kill_unit, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
- SD_BUS_METHOD("ResetFailedUnit", "s", NULL, method_reset_failed_unit, 0),
- SD_BUS_METHOD("SetUnitProperties", "sba(sv)", NULL, method_set_unit_properties, 0),
- SD_BUS_METHOD("StartTransientUnit", "ssa(sv)a(sa(sv))", "o", method_start_transient_unit, 0),
+ 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("StopUnit", "ss", "o", method_stop_unit, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("ReloadUnit", "ss", "o", method_reload_unit, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("RestartUnit", "ss", "o", method_restart_unit, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("TryRestartUnit", "ss", "o", method_try_restart_unit, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("ReloadOrRestartUnit", "ss", "o", method_reload_or_restart_unit, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("ReloadOrTryRestartUnit", "ss", "o", method_reload_or_try_restart_unit, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("KillUnit", "ssi", NULL, method_kill_unit, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("ResetFailedUnit", "s", NULL, method_reset_failed_unit, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("SetUnitProperties", "sba(sv)", NULL, method_set_unit_properties, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("StartTransientUnit", "ssa(sv)a(sa(sv))", "o", method_start_transient_unit, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("GetJob", "u", "o", method_get_job, SD_BUS_VTABLE_UNPRIVILEGED),
- SD_BUS_METHOD("CancelJob", "u", NULL, method_cancel_job, 0),
+ SD_BUS_METHOD("CancelJob", "u", NULL, method_cancel_job, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("ClearJobs", NULL, NULL, method_clear_jobs, 0),
SD_BUS_METHOD("ResetFailed", NULL, NULL, method_reset_failed, 0),
SD_BUS_METHOD("ListUnits", NULL, "a(ssssssouso)", method_list_units, SD_BUS_VTABLE_UNPRIVILEGED),
@@ -1796,8 +1894,8 @@ const sd_bus_vtable bus_manager_vtable[] = {
SD_BUS_METHOD("Dump", NULL, "s", method_dump, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("CreateSnapshot", "sb", "o", method_create_snapshot, 0),
SD_BUS_METHOD("RemoveSnapshot", "s", NULL, method_remove_snapshot, 0),
- SD_BUS_METHOD("Reload", NULL, NULL, method_reload, 0),
- SD_BUS_METHOD("Reexecute", NULL, NULL, method_reexecute, 0),
+ 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("Reboot", NULL, NULL, method_reboot, SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)),
SD_BUS_METHOD("PowerOff", NULL, NULL, method_poweroff, SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)),
@@ -1809,17 +1907,17 @@ const sd_bus_vtable bus_manager_vtable[] = {
SD_BUS_METHOD("UnsetAndSetEnvironment", "asas", NULL, method_unset_and_set_environment, 0),
SD_BUS_METHOD("ListUnitFiles", NULL, "a(ss)", method_list_unit_files, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("GetUnitFileState", "s", "s", method_get_unit_file_state, SD_BUS_VTABLE_UNPRIVILEGED),
- SD_BUS_METHOD("EnableUnitFiles", "asbb", "ba(sss)", method_enable_unit_files, 0),
- SD_BUS_METHOD("DisableUnitFiles", "asb", "a(sss)", method_disable_unit_files, 0),
- SD_BUS_METHOD("ReenableUnitFiles", "asbb", "ba(sss)", method_reenable_unit_files, 0),
- SD_BUS_METHOD("LinkUnitFiles", "asbb", "a(sss)", method_link_unit_files, 0),
- SD_BUS_METHOD("PresetUnitFiles", "asbb", "ba(sss)", method_preset_unit_files, 0),
- SD_BUS_METHOD("PresetUnitFilesWithMode", "assbb", "ba(sss)", method_preset_unit_files_with_mode, 0),
- SD_BUS_METHOD("MaskUnitFiles", "asbb", "a(sss)", method_mask_unit_files, 0),
- SD_BUS_METHOD("UnmaskUnitFiles", "asb", "a(sss)", method_unmask_unit_files, 0),
- SD_BUS_METHOD("SetDefaultTarget", "sb", "a(sss)", method_set_default_target, 0),
+ SD_BUS_METHOD("EnableUnitFiles", "asbb", "ba(sss)", method_enable_unit_files, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("DisableUnitFiles", "asb", "a(sss)", method_disable_unit_files, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("ReenableUnitFiles", "asbb", "ba(sss)", method_reenable_unit_files, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("LinkUnitFiles", "asbb", "a(sss)", method_link_unit_files, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("PresetUnitFiles", "asbb", "ba(sss)", method_preset_unit_files, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("PresetUnitFilesWithMode", "assbb", "ba(sss)", method_preset_unit_files_with_mode, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("MaskUnitFiles", "asbb", "a(sss)", method_mask_unit_files, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("UnmaskUnitFiles", "asb", "a(sss)", method_unmask_unit_files, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("SetDefaultTarget", "sb", "a(sss)", method_set_default_target, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("GetDefaultTarget", NULL, "s", method_get_default_target, SD_BUS_VTABLE_UNPRIVILEGED),
- SD_BUS_METHOD("PresetAllUnitFiles", "sbb", "a(sss)", method_preset_all_unit_files, 0),
+ SD_BUS_METHOD("PresetAllUnitFiles", "sbb", "a(sss)", method_preset_all_unit_files, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_SIGNAL("UnitNew", "so", 0),
SD_BUS_SIGNAL("UnitRemoved", "so", 0),
diff --git a/src/core/dbus-scope.c b/src/core/dbus-scope.c
index fbb4ff5646..a762223c81 100644
--- a/src/core/dbus-scope.c
+++ b/src/core/dbus-scope.c
@@ -25,6 +25,7 @@
#include "dbus-cgroup.h"
#include "dbus-kill.h"
#include "dbus-scope.h"
+#include "dbus.h"
#include "bus-util.h"
#include "bus-internal.h"
#include "bus-errors.h"
@@ -37,6 +38,12 @@ static int bus_scope_abandon(sd_bus *bus, sd_bus_message *message, void *userdat
assert(message);
assert(s);
+ r = bus_verify_manage_unit_async(UNIT(s)->manager, message, error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
r = scope_abandon(s);
if (sd_bus_error_is_set(error))
return r;
diff --git a/src/core/dbus-unit.c b/src/core/dbus-unit.c
index 8f23fe76ce..8fe83aefec 100644
--- a/src/core/dbus-unit.c
+++ b/src/core/dbus-unit.c
@@ -421,6 +421,12 @@ int bus_unit_method_kill(sd_bus *bus, sd_bus_message *message, void *userdata, s
assert(message);
assert(u);
+ r = bus_verify_manage_unit_async_for_kill(u->manager, message, error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
r = sd_bus_message_read(message, "si", &swho, &signo);
if (r < 0)
return r;
@@ -455,6 +461,12 @@ int bus_unit_method_reset_failed(sd_bus *bus, sd_bus_message *message, void *use
assert(message);
assert(u);
+ r = bus_verify_manage_unit_async(u->manager, message, error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
r = selinux_unit_access_check(u, message, "reload", error);
if (r < 0)
return r;
@@ -472,6 +484,12 @@ int bus_unit_method_set_properties(sd_bus *bus, sd_bus_message *message, void *u
assert(message);
assert(u);
+ r = bus_verify_manage_unit_async(u->manager, message, error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
+
r = sd_bus_message_read(message, "b", &runtime);
if (r < 0)
return r;
@@ -758,13 +776,13 @@ int bus_unit_queue_job(
return r;
if (bus == u->manager->api_bus) {
- if (!j->subscribed) {
- r = sd_bus_track_new(bus, &j->subscribed, NULL, NULL);
+ if (!j->clients) {
+ r = sd_bus_track_new(bus, &j->clients, NULL, NULL);
if (r < 0)
return r;
}
- r = sd_bus_track_add_sender(j->subscribed, message);
+ r = sd_bus_track_add_sender(j->clients, message);
if (r < 0)
return r;
}
diff --git a/src/core/dbus.c b/src/core/dbus.c
index fb8e4963e1..e7eee3c6d1 100644
--- a/src/core/dbus.c
+++ b/src/core/dbus.c
@@ -1048,8 +1048,8 @@ static void destroy_bus(Manager *m, sd_bus **bus) {
m->subscribed = sd_bus_track_unref(m->subscribed);
HASHMAP_FOREACH(j, m->jobs, i)
- if (j->subscribed && sd_bus_track_get_bus(j->subscribed) == *bus)
- j->subscribed = sd_bus_track_unref(j->subscribed);
+ if (j->clients && sd_bus_track_get_bus(j->clients) == *bus)
+ j->clients = sd_bus_track_unref(j->clients);
/* Get rid of queued message on this bus */
if (m->queued_message_bus == *bus) {
@@ -1092,6 +1092,8 @@ void bus_done(Manager *m) {
m->private_listen_event_source = sd_event_source_unref(m->private_listen_event_source);
m->private_listen_fd = safe_close(m->private_listen_fd);
+
+ bus_verify_polkit_async_registry_free(m->polkit_registry);
}
int bus_fdset_add_all(Manager *m, FDSet *fds) {
@@ -1215,3 +1217,20 @@ int bus_track_coldplug(Manager *m, sd_bus_track **t, char ***l) {
return r;
}
+
+int bus_verify_manage_unit_async(Manager *m, sd_bus_message *call, sd_bus_error *error) {
+ return bus_verify_polkit_async(call, CAP_SYS_ADMIN, "org.freedesktop.systemd1.manage-units", false, &m->polkit_registry, error);
+}
+
+/* Same as bus_verify_manage_unit_async(), but checks for CAP_KILL instead of CAP_SYS_ADMIN */
+int bus_verify_manage_unit_async_for_kill(Manager *m, sd_bus_message *call, sd_bus_error *error) {
+ return bus_verify_polkit_async(call, CAP_KILL, "org.freedesktop.systemd1.manage-units", false, &m->polkit_registry, error);
+}
+
+int bus_verify_manage_unit_files_async(Manager *m, sd_bus_message *call, sd_bus_error *error) {
+ return bus_verify_polkit_async(call, CAP_SYS_ADMIN, "org.freedesktop.systemd1.manage-unit-files", false, &m->polkit_registry, error);
+}
+
+int bus_verify_reload_daemon_async(Manager *m, sd_bus_message *call, sd_bus_error *error) {
+ return bus_verify_polkit_async(call, CAP_SYS_ADMIN, "org.freedesktop.systemd1.reload-daemon", false, &m->polkit_registry, error);
+}
diff --git a/src/core/dbus.h b/src/core/dbus.h
index bfb236ec8e..d04f5326c6 100644
--- a/src/core/dbus.h
+++ b/src/core/dbus.h
@@ -35,3 +35,8 @@ int bus_track_deserialize_item(char ***l, const char *line);
int bus_track_coldplug(Manager *m, sd_bus_track **t, char ***l);
int bus_foreach_bus(Manager *m, sd_bus_track *subscribed2, int (*send_message)(sd_bus *bus, void *userdata), void *userdata);
+
+int bus_verify_manage_unit_async(Manager *m, sd_bus_message *call, sd_bus_error *error);
+int bus_verify_manage_unit_async_for_kill(Manager *m, sd_bus_message *call, sd_bus_error *error);
+int bus_verify_manage_unit_files_async(Manager *m, sd_bus_message *call, sd_bus_error *error);
+int bus_verify_reload_daemon_async(Manager *m, sd_bus_message *call, sd_bus_error *error);
diff --git a/src/core/job.c b/src/core/job.c
index dc4f44150c..5e4987f4e2 100644
--- a/src/core/job.c
+++ b/src/core/job.c
@@ -90,8 +90,8 @@ void job_free(Job *j) {
sd_event_source_unref(j->timer_event_source);
- sd_bus_track_unref(j->subscribed);
- strv_free(j->deserialized_subscribed);
+ sd_bus_track_unref(j->clients);
+ strv_free(j->deserialized_clients);
free(j);
}
@@ -937,7 +937,7 @@ int job_serialize(Job *j, FILE *f, FDSet *fds) {
if (j->begin_usec > 0)
fprintf(f, "job-begin="USEC_FMT"\n", j->begin_usec);
- bus_track_serialize(j->subscribed, f);
+ bus_track_serialize(j->clients, f);
/* End marker */
fputc('\n', f);
@@ -1043,7 +1043,7 @@ int job_deserialize(Job *j, FILE *f, FDSet *fds) {
} else if (streq(l, "subscribed")) {
- if (strv_extend(&j->deserialized_subscribed, v) < 0)
+ if (strv_extend(&j->deserialized_clients, v) < 0)
return log_oom();
}
}
@@ -1056,7 +1056,7 @@ int job_coldplug(Job *j) {
/* After deserialization is complete and the bus connection
* set up again, let's start watching our subscribers again */
- r = bus_track_coldplug(j->manager, &j->subscribed, &j->deserialized_subscribed);
+ r = bus_track_coldplug(j->manager, &j->clients, &j->deserialized_clients);
if (r < 0)
return r;
diff --git a/src/core/job.h b/src/core/job.h
index 30d41d9edd..1e7c61b04f 100644
--- a/src/core/job.h
+++ b/src/core/job.h
@@ -145,9 +145,15 @@ struct Job {
sd_event_source *timer_event_source;
usec_t begin_usec;
- /* There can be more than one client, because of job merging. */
- sd_bus_track *subscribed;
- char **deserialized_subscribed;
+ /*
+ * This tracks where to send signals, and also which clients
+ * are allowed to call DBus methods on the job (other than
+ * root).
+ *
+ * There can be more than one client, because of job merging.
+ */
+ sd_bus_track *clients;
+ char **deserialized_clients;
JobResult result;
diff --git a/src/core/manager.h b/src/core/manager.h
index aa6c76fa5a..7cb76f7f00 100644
--- a/src/core/manager.h
+++ b/src/core/manager.h
@@ -276,6 +276,9 @@ struct Manager {
/* Reference to the kdbus bus control fd */
int kdbus_fd;
+
+ /* Used for processing polkit authorization responses */
+ Hashmap *polkit_registry;
};
int manager_new(SystemdRunningAs running_as, bool test_run, Manager **m);
diff --git a/src/core/org.freedesktop.systemd1.conf b/src/core/org.freedesktop.systemd1.conf
index 9dfca81cb1..3e1382524a 100644
--- a/src/core/org.freedesktop.systemd1.conf
+++ b/src/core/org.freedesktop.systemd1.conf
@@ -28,6 +28,8 @@
<policy context="default">
<deny send_destination="org.freedesktop.systemd1"/>
+ <!-- Completely open to anyone -->
+
<allow send_destination="org.freedesktop.systemd1"
send_interface="org.freedesktop.DBus.Introspectable"/>
@@ -94,6 +96,112 @@
send_interface="org.freedesktop.systemd1.Manager"
send_member="GetDefaultTarget"/>
+ <!-- Managed via polkit or other criteria -->
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="StartUnit"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="StartUnitReplace"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="StopUnit"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="ReloadUnit"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="RestartUnit"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="TryRestartUnit"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="ReloadOrRestartUnit"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="ReloadOrTryRestartUnit"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="KillUnit"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="ResetFailedUnit"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="SetUnitProperties"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="StartTransientUnit"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="CancelJob"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="Reload"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="Reexecute"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="EnableUnitFiles"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="DisableUnitFiles"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="ReenableUnitFiles"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="LinkUnitFiles"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="PresetUnitFiles"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="PresetUnitFilesWithMode"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="MaskUnitFiles"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="UnmaskUnitFiles"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="SetDefaultTarget"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Manager"
+ send_member="PresetAllUnitFiles"/>
+
+ <allow send_destination="org.freedesktop.systemd1"
+ send_interface="org.freedesktop.systemd1.Job"
+ send_member="Cancel"/>
+
<allow receive_sender="org.freedesktop.systemd1"/>
</policy>
diff --git a/src/core/org.freedesktop.systemd1.policy.in.in b/src/core/org.freedesktop.systemd1.policy.in.in
index 51bdafac45..387677d396 100644
--- a/src/core/org.freedesktop.systemd1.policy.in.in
+++ b/src/core/org.freedesktop.systemd1.policy.in.in
@@ -38,4 +38,34 @@
<annotate key="org.freedesktop.policykit.exec.path">@bindir@/systemd-stdio-bridge</annotate>
</action>
+ <action id="org.freedesktop.systemd1.manage-units">
+ <_description>Manage system services or units</_description>
+ <_message>Authentication is required to manage system services or units.</_message>
+ <defaults>
+ <allow_any>auth_admin</allow_any>
+ <allow_inactive>auth_admin</allow_inactive>
+ <allow_active>auth_admin_keep</allow_active>
+ </defaults>
+ </action>
+
+ <action id="org.freedesktop.systemd1.manage-unit-files">
+ <_description>Manage system service or unit files</_description>
+ <_message>Authentication is required to manage system service or unit files.</_message>
+ <defaults>
+ <allow_any>auth_admin</allow_any>
+ <allow_inactive>auth_admin</allow_inactive>
+ <allow_active>auth_admin_keep</allow_active>
+ </defaults>
+ </action>
+
+ <action id="org.freedesktop.systemd1.reload-daemon">
+ <_description>Reload the systemd state</_description>
+ <_message>Authentication is required to reload the systemd state.</_message>
+ <defaults>
+ <allow_any>auth_admin</allow_any>
+ <allow_inactive>auth_admin</allow_inactive>
+ <allow_active>auth_admin_keep</allow_active>
+ </defaults>
+ </action>
+
</policyconfig>
diff --git a/src/hostname/hostnamed.c b/src/hostname/hostnamed.c
index dae73b390f..d31fef7abe 100644
--- a/src/hostname/hostnamed.c
+++ b/src/hostname/hostnamed.c
@@ -69,11 +69,11 @@ static void context_reset(Context *c) {
}
}
-static void context_free(Context *c, sd_bus *bus) {
+static void context_free(Context *c) {
assert(c);
context_reset(c);
- bus_verify_polkit_async_registry_free(bus, c->polkit_registry);
+ bus_verify_polkit_async_registry_free(c->polkit_registry);
}
static int context_read_data(Context *c) {
@@ -426,7 +426,7 @@ static int method_set_hostname(sd_bus *bus, sd_bus_message *m, void *userdata, s
if (streq_ptr(name, c->data[PROP_HOSTNAME]))
return sd_bus_reply_method_return(m, NULL);
- r = bus_verify_polkit_async(bus, &c->polkit_registry, m, CAP_SYS_ADMIN, "org.freedesktop.hostname1.set-hostname", interactive, error, method_set_hostname, c);
+ r = bus_verify_polkit_async(m, CAP_SYS_ADMIN, "org.freedesktop.hostname1.set-hostname", interactive, &c->polkit_registry, error);
if (r < 0)
return r;
if (r == 0)
@@ -468,7 +468,7 @@ static int method_set_static_hostname(sd_bus *bus, sd_bus_message *m, void *user
if (streq_ptr(name, c->data[PROP_STATIC_HOSTNAME]))
return sd_bus_reply_method_return(m, NULL);
- r = bus_verify_polkit_async(bus, &c->polkit_registry, m, CAP_SYS_ADMIN, "org.freedesktop.hostname1.set-static-hostname", interactive, error, method_set_static_hostname, c);
+ r = bus_verify_polkit_async(m, CAP_SYS_ADMIN, "org.freedesktop.hostname1.set-static-hostname", interactive, &c->polkit_registry, error);
if (r < 0)
return r;
if (r == 0)
@@ -533,10 +533,10 @@ static int set_machine_info(Context *c, sd_bus *bus, sd_bus_message *m, int prop
* same time as the static one, use the same policy action for
* both... */
- r = bus_verify_polkit_async(bus, &c->polkit_registry, m, CAP_SYS_ADMIN,
+ r = bus_verify_polkit_async(m, CAP_SYS_ADMIN,
prop == PROP_PRETTY_HOSTNAME ?
"org.freedesktop.hostname1.set-static-hostname" :
- "org.freedesktop.hostname1.set-machine-info", interactive, error, cb, c);
+ "org.freedesktop.hostname1.set-machine-info", interactive, &c->polkit_registry, error);
if (r < 0)
return r;
if (r == 0)
@@ -723,7 +723,7 @@ int main(int argc, char *argv[]) {
}
finish:
- context_free(&context, bus);
+ context_free(&context);
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
diff --git a/src/libsystemd/sd-bus/bus-internal.h b/src/libsystemd/sd-bus/bus-internal.h
index 618e82c98f..f2ccdfd177 100644
--- a/src/libsystemd/sd-bus/bus-internal.h
+++ b/src/libsystemd/sd-bus/bus-internal.h
@@ -298,6 +298,8 @@ struct sd_bus {
sd_bus_message *current_message;
sd_bus_slot *current_slot;
+ sd_bus_message_handler_t current_handler;
+ void *current_userdata;
sd_bus **default_bus_ptr;
pid_t tid;
diff --git a/src/libsystemd/sd-bus/bus-match.c b/src/libsystemd/sd-bus/bus-match.c
index 9e0769caa6..88b61a75be 100644
--- a/src/libsystemd/sd-bus/bus-match.c
+++ b/src/libsystemd/sd-bus/bus-match.c
@@ -294,11 +294,17 @@ int bus_match_run(
sd_bus_slot *slot;
slot = container_of(node->leaf.callback, sd_bus_slot, match_callback);
- if (bus)
+ if (bus) {
bus->current_slot = sd_bus_slot_ref(slot);
+ bus->current_handler = node->leaf.callback->callback;
+ bus->current_userdata = slot->userdata;
+ }
r = node->leaf.callback->callback(bus, m, slot->userdata, &error_buffer);
- if (bus)
+ if (bus) {
+ bus->current_userdata = NULL;
+ bus->current_handler = NULL;
bus->current_slot = sd_bus_slot_unref(slot);
+ }
r = bus_maybe_reply_error(m, r, &error_buffer);
if (r != 0)
diff --git a/src/libsystemd/sd-bus/bus-objects.c b/src/libsystemd/sd-bus/bus-objects.c
index 00e8e9655b..3a2de6520e 100644
--- a/src/libsystemd/sd-bus/bus-objects.c
+++ b/src/libsystemd/sd-bus/bus-objects.c
@@ -51,7 +51,9 @@ static int node_vtable_get_userdata(
u = s->userdata;
if (c->find) {
bus->current_slot = sd_bus_slot_ref(s);
+ bus->current_userdata = u;
r = c->find(bus, path, c->interface, u, &u, error);
+ bus->current_userdata = NULL;
bus->current_slot = sd_bus_slot_unref(s);
if (r < 0)
@@ -123,7 +125,9 @@ static int add_enumerated_to_set(
slot = container_of(c, sd_bus_slot, node_enumerator);
bus->current_slot = sd_bus_slot_ref(slot);
+ bus->current_userdata = slot->userdata;
r = c->callback(bus, prefix, slot->userdata, &children, error);
+ bus->current_userdata = NULL;
bus->current_slot = sd_bus_slot_unref(slot);
if (r < 0)
@@ -273,7 +277,11 @@ static int node_callbacks_run(
slot = container_of(c, sd_bus_slot, node_callback);
bus->current_slot = sd_bus_slot_ref(slot);
+ bus->current_handler = c->callback;
+ bus->current_userdata = slot->userdata;
r = c->callback(bus, m, slot->userdata, &error_buffer);
+ bus->current_userdata = NULL;
+ bus->current_handler = NULL;
bus->current_slot = sd_bus_slot_unref(slot);
r = bus_maybe_reply_error(m, r, &error_buffer);
@@ -387,7 +395,11 @@ static int method_callbacks_run(
slot = container_of(c->parent, sd_bus_slot, node_vtable);
bus->current_slot = sd_bus_slot_ref(slot);
+ bus->current_handler = c->vtable->x.method.handler;
+ bus->current_userdata = u;
r = c->vtable->x.method.handler(bus, m, u, &error);
+ bus->current_userdata = NULL;
+ bus->current_handler = NULL;
bus->current_slot = sd_bus_slot_unref(slot);
return bus_maybe_reply_error(m, r, &error);
@@ -426,7 +438,9 @@ static int invoke_property_get(
if (v->x.property.get) {
bus->current_slot = sd_bus_slot_ref(slot);
+ bus->current_userdata = userdata;
r = v->x.property.get(bus, path, interface, property, reply, userdata, error);
+ bus->current_userdata = NULL;
bus->current_slot = sd_bus_slot_unref(slot);
if (r < 0)
@@ -488,7 +502,9 @@ static int invoke_property_set(
if (v->x.property.set) {
bus->current_slot = sd_bus_slot_ref(slot);
+ bus->current_userdata = userdata;
r = v->x.property.set(bus, path, interface, property, value, userdata, error);
+ bus->current_userdata = NULL;
bus->current_slot = sd_bus_slot_unref(slot);
if (r < 0)
diff --git a/src/libsystemd/sd-bus/bus-slot.c b/src/libsystemd/sd-bus/bus-slot.c
index 5e927511d5..d6793c29e9 100644
--- a/src/libsystemd/sd-bus/bus-slot.c
+++ b/src/libsystemd/sd-bus/bus-slot.c
@@ -245,3 +245,23 @@ _public_ sd_bus_message *sd_bus_slot_get_current_message(sd_bus_slot *slot) {
return slot->bus->current_message;
}
+
+_public_ sd_bus_message_handler_t sd_bus_slot_get_current_handler(sd_bus_slot *slot) {
+ assert_return(slot, NULL);
+ assert_return(slot->type >= 0, NULL);
+
+ if (slot->bus->current_slot != slot)
+ return NULL;
+
+ return slot->bus->current_handler;
+}
+
+_public_ void* sd_bus_slot_get_current_userdata(sd_bus_slot *slot) {
+ assert_return(slot, NULL);
+ assert_return(slot->type >= 0, NULL);
+
+ if (slot->bus->current_slot != slot)
+ return NULL;
+
+ return slot->bus->current_userdata;
+}
diff --git a/src/libsystemd/sd-bus/bus-util.c b/src/libsystemd/sd-bus/bus-util.c
index 0ab11c3905..44facc6ef9 100644
--- a/src/libsystemd/sd-bus/bus-util.c
+++ b/src/libsystemd/sd-bus/bus-util.c
@@ -184,8 +184,7 @@ int bus_name_has_owner(sd_bus *c, const char *name, sd_bus_error *error) {
}
int bus_verify_polkit(
- sd_bus *bus,
- sd_bus_message *m,
+ sd_bus_message *call,
int capability,
const char *action,
bool interactive,
@@ -194,28 +193,26 @@ int bus_verify_polkit(
int r;
- assert(bus);
- assert(m);
+ assert(call);
assert(action);
- r = sd_bus_query_sender_privilege(m, capability);
+ r = sd_bus_query_sender_privilege(call, capability);
if (r < 0)
return r;
- if (r > 0)
+ else if (r > 0)
return 1;
-
#ifdef ENABLE_POLKIT
else {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
int authorized = false, challenge = false;
const char *sender;
- sender = sd_bus_message_get_sender(m);
+ sender = sd_bus_message_get_sender(call);
if (!sender)
return -EBADMSG;
r = sd_bus_call_method(
- bus,
+ call->bus,
"org.freedesktop.PolicyKit1",
"/org/freedesktop/PolicyKit1/Authority",
"org.freedesktop.PolicyKit1.Authority",
@@ -316,30 +313,29 @@ finish:
#endif
int bus_verify_polkit_async(
- sd_bus *bus,
- Hashmap **registry,
- sd_bus_message *m,
+ sd_bus_message *call,
int capability,
const char *action,
bool interactive,
- sd_bus_error *error,
- sd_bus_message_handler_t callback,
- void *userdata) {
+ Hashmap **registry,
+ sd_bus_error *error) {
#ifdef ENABLE_POLKIT
_cleanup_bus_message_unref_ sd_bus_message *pk = NULL;
+ _cleanup_bus_slot_unref_ sd_bus_slot *slot = NULL;
AsyncPolkitQuery *q;
const char *sender;
+ sd_bus_message_handler_t callback;
+ void *userdata;
#endif
int r;
- assert(bus);
- assert(registry);
- assert(m);
+ assert(call);
assert(action);
+ assert(registry);
#ifdef ENABLE_POLKIT
- q = hashmap_get(*registry, m);
+ q = hashmap_get(*registry, call);
if (q) {
int authorized, challenge;
@@ -376,14 +372,23 @@ int bus_verify_polkit_async(
}
#endif
- r = sd_bus_query_sender_privilege(m, capability);
+ r = sd_bus_query_sender_privilege(call, capability);
if (r < 0)
return r;
- if (r > 0)
+ else if (r > 0)
return 1;
#ifdef ENABLE_POLKIT
- sender = sd_bus_message_get_sender(m);
+ if (sd_bus_get_current_message(call->bus) != call)
+ return -EINVAL;
+
+ callback = sd_bus_get_current_handler(call->bus);
+ if (!callback)
+ return -EINVAL;
+
+ userdata = sd_bus_get_current_userdata(call->bus);
+
+ sender = sd_bus_message_get_sender(call);
if (!sender)
return -EBADMSG;
@@ -392,7 +397,7 @@ int bus_verify_polkit_async(
return r;
r = sd_bus_message_new_method_call(
- bus,
+ call->bus,
&pk,
"org.freedesktop.PolicyKit1",
"/org/freedesktop/PolicyKit1/Authority",
@@ -416,11 +421,11 @@ int bus_verify_polkit_async(
if (!q)
return -ENOMEM;
- q->request = sd_bus_message_ref(m);
+ q->request = sd_bus_message_ref(call);
q->callback = callback;
q->userdata = userdata;
- r = hashmap_put(*registry, m, q);
+ r = hashmap_put(*registry, call, q);
if (r < 0) {
async_polkit_query_free(q);
return r;
@@ -428,7 +433,7 @@ int bus_verify_polkit_async(
q->registry = *registry;
- r = sd_bus_call_async(bus, &q->slot, pk, async_polkit_callback, q, 0);
+ r = sd_bus_call_async(call->bus, &q->slot, pk, async_polkit_callback, q, 0);
if (r < 0) {
async_polkit_query_free(q);
return r;
@@ -440,7 +445,7 @@ int bus_verify_polkit_async(
return -EACCES;
}
-void bus_verify_polkit_async_registry_free(sd_bus *bus, Hashmap *registry) {
+void bus_verify_polkit_async_registry_free(Hashmap *registry) {
#ifdef ENABLE_POLKIT
AsyncPolkitQuery *q;
diff --git a/src/libsystemd/sd-bus/bus-util.h b/src/libsystemd/sd-bus/bus-util.h
index f760a1e80e..faf1775809 100644
--- a/src/libsystemd/sd-bus/bus-util.h
+++ b/src/libsystemd/sd-bus/bus-util.h
@@ -62,10 +62,10 @@ int bus_name_has_owner(sd_bus *c, const char *name, sd_bus_error *error);
int bus_check_peercred(sd_bus *c);
-int bus_verify_polkit(sd_bus *bus, sd_bus_message *m, int capability, const char *action, bool interactive, bool *_challenge, sd_bus_error *e);
+int bus_verify_polkit(sd_bus_message *call, int capability, const char *action, bool interactive, bool *_challenge, sd_bus_error *e);
-int bus_verify_polkit_async(sd_bus *bus, Hashmap **registry, sd_bus_message *m, int capability, const char *action, bool interactive, sd_bus_error *error, sd_bus_message_handler_t callback, void *userdata);
-void bus_verify_polkit_async_registry_free(sd_bus *bus, Hashmap *registry);
+int bus_verify_polkit_async(sd_bus_message *call, int capability, const char *action, bool interactive, Hashmap **registry, sd_bus_error *error);
+void bus_verify_polkit_async_registry_free(Hashmap *registry);
int bus_open_system_systemd(sd_bus **_bus);
int bus_open_user_systemd(sd_bus **_bus);
diff --git a/src/libsystemd/sd-bus/sd-bus.c b/src/libsystemd/sd-bus/sd-bus.c
index 0fadd1699e..83233fd7e6 100644
--- a/src/libsystemd/sd-bus/sd-bus.c
+++ b/src/libsystemd/sd-bus/sd-bus.c
@@ -2102,7 +2102,11 @@ static int process_timeout(sd_bus *bus) {
bus->current_message = m;
bus->current_slot = sd_bus_slot_ref(slot);
+ bus->current_handler = c->callback;
+ bus->current_userdata = slot->userdata;
r = c->callback(bus, m, slot->userdata, &error_buffer);
+ bus->current_userdata = NULL;
+ bus->current_handler = NULL;
bus->current_slot = sd_bus_slot_unref(slot);
bus->current_message = NULL;
@@ -2194,7 +2198,11 @@ static int process_reply(sd_bus *bus, sd_bus_message *m) {
}
bus->current_slot = sd_bus_slot_ref(slot);
+ bus->current_handler = c->callback;
+ bus->current_userdata = slot->userdata;
r = c->callback(bus, m, slot->userdata, &error_buffer);
+ bus->current_userdata = NULL;
+ bus->current_handler = NULL;
bus->current_slot = sd_bus_slot_unref(slot);
if (slot->floating) {
@@ -2235,7 +2243,11 @@ static int process_filter(sd_bus *bus, sd_bus_message *m) {
slot = container_of(l, sd_bus_slot, filter_callback);
bus->current_slot = sd_bus_slot_ref(slot);
+ bus->current_handler = l->callback;
+ bus->current_userdata = slot->userdata;
r = l->callback(bus, m, slot->userdata, &error_buffer);
+ bus->current_userdata = NULL;
+ bus->current_handler = NULL;
bus->current_slot = sd_bus_slot_unref(slot);
r = bus_maybe_reply_error(m, r, &error_buffer);
@@ -2512,7 +2524,11 @@ static int process_closing(sd_bus *bus, sd_bus_message **ret) {
bus->current_message = m;
bus->current_slot = sd_bus_slot_ref(slot);
+ bus->current_handler = c->callback;
+ bus->current_userdata = slot->userdata;
r = c->callback(bus, m, slot->userdata, &error_buffer);
+ bus->current_userdata = NULL;
+ bus->current_handler = NULL;
bus->current_slot = sd_bus_slot_unref(slot);
bus->current_message = NULL;
@@ -3113,6 +3129,18 @@ _public_ sd_bus_slot* sd_bus_get_current_slot(sd_bus *bus) {
return bus->current_slot;
}
+_public_ sd_bus_message_handler_t sd_bus_get_current_handler(sd_bus *bus) {
+ assert_return(bus, NULL);
+
+ return bus->current_handler;
+}
+
+_public_ void* sd_bus_get_current_userdata(sd_bus *bus) {
+ assert_return(bus, NULL);
+
+ return bus->current_userdata;
+}
+
static int bus_default(int (*bus_open)(sd_bus **), sd_bus **default_bus, sd_bus **ret) {
sd_bus *b = NULL;
int r;
diff --git a/src/locale/localed.c b/src/locale/localed.c
index 087066786e..508a00079e 100644
--- a/src/locale/localed.c
+++ b/src/locale/localed.c
@@ -132,12 +132,12 @@ static void context_free_locale(Context *c) {
free_and_replace(&c->locale[p], NULL);
}
-static void context_free(Context *c, sd_bus *bus) {
+static void context_free(Context *c) {
context_free_locale(c);
context_free_x11(c);
context_free_vconsole(c);
- bus_verify_polkit_async_registry_free(bus, c->polkit_registry);
+ bus_verify_polkit_async_registry_free(c->polkit_registry);
};
static void locale_simplify(Context *c) {
@@ -877,9 +877,7 @@ static int method_set_locale(sd_bus *bus, sd_bus_message *m, void *userdata, sd_
}
if (modified) {
- r = bus_verify_polkit_async(bus, &c->polkit_registry, m, CAP_SYS_ADMIN,
- "org.freedesktop.locale1.set-locale", interactive,
- error, method_set_locale, c);
+ r = bus_verify_polkit_async(m, CAP_SYS_ADMIN, "org.freedesktop.locale1.set-locale", interactive, &c->polkit_registry, error);
if (r < 0)
return r;
if (r == 0)
@@ -955,9 +953,7 @@ static int method_set_vc_keyboard(sd_bus *bus, sd_bus_message *m, void *userdata
(keymap_toggle && (!filename_is_safe(keymap_toggle) || !string_is_safe(keymap_toggle))))
return sd_bus_error_set_errnof(error, -EINVAL, "Received invalid keymap data");
- r = bus_verify_polkit_async(bus, &c->polkit_registry, m, CAP_SYS_ADMIN,
- "org.freedesktop.locale1.set-keyboard",
- interactive, error, method_set_vc_keyboard, c);
+ r = bus_verify_polkit_async(m, CAP_SYS_ADMIN, "org.freedesktop.locale1.set-keyboard", interactive, &c->polkit_registry, error);
if (r < 0)
return r;
if (r == 0)
@@ -1027,9 +1023,7 @@ static int method_set_x11_keyboard(sd_bus *bus, sd_bus_message *m, void *userdat
(options && !string_is_safe(options)))
return sd_bus_error_set_errnof(error, -EINVAL, "Received invalid keyboard data");
- r = bus_verify_polkit_async(bus, &c->polkit_registry, m, CAP_SYS_ADMIN,
- "org.freedesktop.locale1.set-keyboard",
- interactive, error, method_set_x11_keyboard, c);
+ r = bus_verify_polkit_async(m, CAP_SYS_ADMIN, "org.freedesktop.locale1.set-keyboard", interactive, &c->polkit_registry, error);
if (r < 0)
return r;
if (r == 0)
@@ -1161,7 +1155,7 @@ int main(int argc, char *argv[]) {
}
finish:
- context_free(&context, bus);
+ context_free(&context);
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
diff --git a/src/login/logind-dbus.c b/src/login/logind-dbus.c
index bcfcba2d07..acef5119b1 100644
--- a/src/login/logind-dbus.c
+++ b/src/login/logind-dbus.c
@@ -1029,14 +1029,13 @@ static int method_set_user_linger(sd_bus *bus, sd_bus_message *message, void *us
if (!pw)
return errno ? -errno : -ENOENT;
- r = bus_verify_polkit_async(bus,
- &m->polkit_registry,
- message,
- CAP_SYS_ADMIN,
- "org.freedesktop.login1.set-user-linger",
- interactive,
- error,
- method_set_user_linger, m);
+ r = bus_verify_polkit_async(
+ message,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.login1.set-user-linger",
+ interactive,
+ &m->polkit_registry,
+ error);
if (r < 0)
return r;
if (r == 0)
@@ -1202,14 +1201,13 @@ static int method_attach_device(sd_bus *bus, sd_bus_message *message, void *user
if (!seat_name_is_valid(seat))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat);
- r = bus_verify_polkit_async(bus,
- &m->polkit_registry,
- message,
- CAP_SYS_ADMIN,
- "org.freedesktop.login1.attach-device",
- interactive,
- error,
- method_attach_device, m);
+ r = bus_verify_polkit_async(
+ message,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.login1.attach-device",
+ interactive,
+ &m->polkit_registry,
+ error);
if (r < 0)
return r;
if (r == 0)
@@ -1234,14 +1232,13 @@ static int method_flush_devices(sd_bus *bus, sd_bus_message *message, void *user
if (r < 0)
return r;
- r = bus_verify_polkit_async(bus,
- &m->polkit_registry,
- message,
- CAP_SYS_ADMIN,
- "org.freedesktop.login1.flush-devices",
- interactive,
- error,
- method_flush_devices, m);
+ r = bus_verify_polkit_async(
+ message,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.login1.flush-devices",
+ interactive,
+ &m->polkit_registry,
+ error);
if (r < 0)
return r;
if (r == 0)
@@ -1535,8 +1532,7 @@ static int method_do_shutdown_or_sleep(
blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
if (multiple_sessions) {
- r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message, CAP_SYS_BOOT,
- action_multiple_sessions, interactive, error, method, m);
+ r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, interactive, &m->polkit_registry, error);
if (r < 0)
return r;
if (r == 0)
@@ -1544,8 +1540,7 @@ static int method_do_shutdown_or_sleep(
}
if (blocked) {
- r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message, CAP_SYS_BOOT,
- action_ignore_inhibit, interactive, error, method, m);
+ r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, interactive, &m->polkit_registry, error);
if (r < 0)
return r;
if (r == 0)
@@ -1553,8 +1548,7 @@ static int method_do_shutdown_or_sleep(
}
if (!multiple_sessions && !blocked) {
- r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message, CAP_SYS_BOOT,
- action, interactive, error, method, m);
+ r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, interactive, &m->polkit_registry, error);
if (r < 0)
return r;
if (r == 0)
@@ -1691,7 +1685,7 @@ static int method_can_shutdown_or_sleep(
blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
if (multiple_sessions) {
- r = bus_verify_polkit(m->bus, message, CAP_SYS_BOOT, action_multiple_sessions, false, &challenge, error);
+ r = bus_verify_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, false, &challenge, error);
if (r < 0)
return r;
@@ -1704,7 +1698,7 @@ static int method_can_shutdown_or_sleep(
}
if (blocked) {
- r = bus_verify_polkit(m->bus, message, CAP_SYS_BOOT, action_ignore_inhibit, false, &challenge, error);
+ r = bus_verify_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, false, &challenge, error);
if (r < 0)
return r;
@@ -1720,7 +1714,7 @@ static int method_can_shutdown_or_sleep(
/* If neither inhibit nor multiple sessions
* apply then just check the normal policy */
- r = bus_verify_polkit(m->bus, message, CAP_SYS_BOOT, action, false, &challenge, error);
+ r = bus_verify_polkit(message, CAP_SYS_BOOT, action, false, &challenge, error);
if (r < 0)
return r;
@@ -1840,7 +1834,7 @@ static int method_inhibit(sd_bus *bus, sd_bus_message *message, void *userdata,
if (m->action_what & w)
return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running");
- r = bus_verify_polkit_async(bus, &m->polkit_registry, message, CAP_SYS_BOOT,
+ r = bus_verify_polkit_async(message, CAP_SYS_BOOT,
w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") :
w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" :
@@ -1848,7 +1842,7 @@ static int method_inhibit(sd_bus *bus, sd_bus_message *message, void *userdata,
w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" :
w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
"org.freedesktop.login1.inhibit-handle-lid-switch",
- false, error, method_inhibit, m);
+ false, &m->polkit_registry, error);
if (r < 0)
return r;
if (r == 0)
diff --git a/src/login/logind.c b/src/login/logind.c
index 8ec8105357..006c56ae51 100644
--- a/src/login/logind.c
+++ b/src/login/logind.c
@@ -163,7 +163,7 @@ void manager_free(Manager *m) {
if (m->udev)
udev_unref(m->udev);
- bus_verify_polkit_async_registry_free(m->bus, m->polkit_registry);
+ bus_verify_polkit_async_registry_free(m->polkit_registry);
sd_bus_unref(m->bus);
sd_event_unref(m->event);
diff --git a/src/systemd/sd-bus.h b/src/systemd/sd-bus.h
index c601093a85..1e23a93a60 100644
--- a/src/systemd/sd-bus.h
+++ b/src/systemd/sd-bus.h
@@ -148,8 +148,10 @@ int sd_bus_process(sd_bus *bus, sd_bus_message **r);
int sd_bus_process_priority(sd_bus *bus, int64_t max_priority, sd_bus_message **r);
int sd_bus_wait(sd_bus *bus, uint64_t timeout_usec);
int sd_bus_flush(sd_bus *bus);
-sd_bus_message* sd_bus_get_current_message(sd_bus *bus);
sd_bus_slot* sd_bus_get_current_slot(sd_bus *bus);
+sd_bus_message* sd_bus_get_current_message(sd_bus *bus);
+sd_bus_message_handler_t sd_bus_get_current_handler(sd_bus *bus);
+void* sd_bus_get_current_userdata(sd_bus *bus);
int sd_bus_attach_event(sd_bus *bus, sd_event *e, int priority);
int sd_bus_detach_event(sd_bus *bus);
@@ -175,6 +177,8 @@ void *sd_bus_slot_get_userdata(sd_bus_slot *slot);
void *sd_bus_slot_set_userdata(sd_bus_slot *slot, void *userdata);
sd_bus_message* sd_bus_slot_get_current_message(sd_bus_slot *slot);
+sd_bus_message_handler_t sd_bus_slot_get_current_handler(sd_bus_slot *bus);
+void *sd_bus_slot_get_current_userdata(sd_bus_slot *slot);
/* Message object */
diff --git a/src/timedate/timedated.c b/src/timedate/timedated.c
index f0371759a2..fa3f947eaa 100644
--- a/src/timedate/timedated.c
+++ b/src/timedate/timedated.c
@@ -52,11 +52,11 @@ typedef struct Context {
Hashmap *polkit_registry;
} Context;
-static void context_free(Context *c, sd_bus *bus) {
+static void context_free(Context *c) {
assert(c);
free(c->zone);
- bus_verify_polkit_async_registry_free(bus, c->polkit_registry);
+ bus_verify_polkit_async_registry_free(c->polkit_registry);
}
static int context_read_data(Context *c) {
@@ -395,7 +395,7 @@ static int method_set_timezone(sd_bus *bus, sd_bus_message *m, void *userdata, s
if (streq_ptr(z, c->zone))
return sd_bus_reply_method_return(m, NULL);
- r = bus_verify_polkit_async(bus, &c->polkit_registry, m, CAP_SYS_TIME, "org.freedesktop.timedate1.set-timezone", interactive, error, method_set_timezone, c);
+ r = bus_verify_polkit_async(m, CAP_SYS_TIME, "org.freedesktop.timedate1.set-timezone", interactive, &c->polkit_registry, error);
if (r < 0)
return r;
if (r == 0)
@@ -456,7 +456,7 @@ static int method_set_local_rtc(sd_bus *bus, sd_bus_message *m, void *userdata,
if (lrtc == c->local_rtc)
return sd_bus_reply_method_return(m, NULL);
- r = bus_verify_polkit_async(bus, &c->polkit_registry, m, CAP_SYS_TIME, "org.freedesktop.timedate1.set-local-rtc", interactive, error, method_set_local_rtc, c);
+ r = bus_verify_polkit_async(m, CAP_SYS_TIME, "org.freedesktop.timedate1.set-local-rtc", interactive, &c->polkit_registry, error);
if (r < 0)
return r;
if (r == 0)
@@ -561,7 +561,7 @@ static int method_set_time(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bu
} else
timespec_store(&ts, (usec_t) utc);
- r = bus_verify_polkit_async(bus, &c->polkit_registry, m, CAP_SYS_TIME, "org.freedesktop.timedate1.set-time", interactive, error, method_set_time, c);
+ r = bus_verify_polkit_async(m, CAP_SYS_TIME, "org.freedesktop.timedate1.set-time", interactive, &c->polkit_registry, error);
if (r < 0)
return r;
if (r == 0)
@@ -601,7 +601,7 @@ static int method_set_ntp(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus
if ((bool)ntp == c->use_ntp)
return sd_bus_reply_method_return(m, NULL);
- r = bus_verify_polkit_async(bus, &c->polkit_registry, m, CAP_SYS_TIME, "org.freedesktop.timedate1.set-ntp", interactive, error, method_set_ntp, c);
+ r = bus_verify_polkit_async(m, CAP_SYS_TIME, "org.freedesktop.timedate1.set-ntp", interactive, &c->polkit_registry, error);
if (r < 0)
return r;
if (r == 0)
@@ -727,7 +727,7 @@ int main(int argc, char *argv[]) {
}
finish:
- context_free(&context, bus);
+ context_free(&context);
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}