From: Daniel Wagner <[email protected]>
In order to get the PID of the remote client one needs to ask
the D-Bus server who is the owner of a message. This can
be done using the Freedesktop API GetConnectoniUnixProcessID.
---
gdbus/gdbus.h | 6 ++++
gdbus/object.c | 89 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 95 insertions(+)
diff --git a/gdbus/gdbus.h b/gdbus/gdbus.h
index 0a8a27c..e00442f 100644
--- a/gdbus/gdbus.h
+++ b/gdbus/gdbus.h
@@ -62,6 +62,9 @@ typedef void (* GDBusSecurityFunction) (DBusConnection
*connection,
gboolean interaction,
GDBusPendingReply pending);
+typedef void (* GDBusGetPIDFunction) (const char *owner, pid_t pid,
+ void *user_data);
+
typedef enum {
G_DBUS_METHOD_FLAG_DEPRECATED = (1 << 0),
G_DBUS_METHOD_FLAG_NOREPLY = (1 << 1),
@@ -220,6 +223,9 @@ guint g_dbus_add_signal_watch(DBusConnection *connection,
gboolean g_dbus_remove_watch(DBusConnection *connection, guint tag);
void g_dbus_remove_all_watches(DBusConnection *connection);
+gboolean g_dbus_get_pid(DBusConnection *connection, const char *owner,
+ void *user_data, GDBusGetPIDFunction function);
+
#ifdef __cplusplus
}
#endif
diff --git a/gdbus/object.c b/gdbus/object.c
index 900e7ab..694ad08 100644
--- a/gdbus/object.c
+++ b/gdbus/object.c
@@ -856,3 +856,92 @@ gboolean g_dbus_emit_signal_valist(DBusConnection
*connection,
return emit_signal_valist(connection, path, interface,
name, type, args);
}
+
+struct get_pid_data {
+ GDBusGetPIDFunction function;
+ char *owner;
+ void *user_data;
+ DBusPendingCall *call;
+};
+
+static void get_pid_reply(DBusPendingCall *call, void *user_data)
+{
+ struct get_pid_data *data = user_data;
+ DBusMessage *reply;
+ DBusError err;
+ guint32 pid;
+
+ reply = dbus_pending_call_steal_reply(call);
+ if (reply == NULL)
+ return;
+
+ dbus_error_init(&err);
+
+ if (dbus_set_error_from_message(&err, reply))
+ goto fail;
+
+ if (dbus_message_get_args(reply, &err,
+ DBUS_TYPE_UINT32, &pid,
+ DBUS_TYPE_INVALID) == FALSE)
+ goto fail;
+
+ (*data->function)(data->owner, pid, data->user_data);
+
+ goto done;
+
+fail:
+ error("%s", err.message);
+ dbus_error_free(&err);
+
+done:
+ dbus_pending_call_unref(data->call);
+ g_free(data->owner);
+ g_free(data);
+
+ dbus_message_unref(reply);
+}
+
+gboolean g_dbus_get_pid(DBusConnection *connection, const char *owner,
+ void *user_data, GDBusGetPIDFunction function)
+{
+ struct get_pid_data *data;
+ DBusMessage *call;
+
+ data = g_try_new0(struct get_pid_data, 1);
+ if (data == NULL)
+ return FALSE;
+
+ data->owner = g_strdup(owner);
+ data->user_data = user_data;
+ data->function = function;
+
+ call = dbus_message_new_method_call(DBUS_SERVICE_DBUS,
+ DBUS_PATH_DBUS,
+ DBUS_INTERFACE_DBUS,
+ "GetConnectionUnixProcessID");
+ if (call == NULL) {
+ g_free(data);
+ return FALSE;
+ }
+
+ dbus_message_append_args(call, DBUS_TYPE_STRING, &owner,
+ DBUS_TYPE_INVALID);
+
+ if (dbus_connection_send_with_reply(connection, call,
+ &data->call, -1) == FALSE) {
+ g_free(data);
+ goto done;
+ }
+
+ if (data->call == NULL) {
+ g_free(data);
+ goto done;
+ }
+
+ dbus_pending_call_set_notify(data->call, get_pid_reply, data, NULL);
+
+done:
+ dbus_message_unref(call);
+
+ return TRUE;
+}
--
1.7.12.rc1.16.g05a20c8
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