core: Common code for DBus methods that Cancel a job

Both ofs.Job.Cancel() and ofs.Manager.CancelJob() now use same
implementation. So we can add caller verify logic appropriately.

diff --git a/src/core/dbus-job.c b/src/core/dbus-job.c
index 8e4ffc9..5420062 100644 (file)
--- a/src/core/dbus-job.c
+++ b/src/core/dbus-job.c
@@ -52,7 +52,7 @@ 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;
 
@@ -71,7 +71,7 @@ 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, 0),
         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),

diff --git a/src/core/dbus-job.h b/src/core/dbus-job.h
index d1d0f6d..6c2fc07 100644 (file)
--- 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 ffef0c7..e4d6369 100644 (file)
--- 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"
@@ -685,13 +686,7 @@ 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) {