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commit cd517589b39952af71d77b859a71324208678854
Author: Kim Woelders <k...@woelders.dk>
AuthorDate: Sat Feb 24 06:14:52 2024 +0100
edbus: Add functions to request logout and shutdown via dbus
---
src/edbus.c | 92 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
src/edbus.h | 5 +++-
2 files changed, 95 insertions(+), 2 deletions(-)
diff --git a/src/edbus.c b/src/edbus.c
index cdeca8ff..c6f1633a 100644
--- a/src/edbus.c
+++ b/src/edbus.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2007-2021 Kim Woelders
+ * Copyright (C) 2007-2024 Kim Woelders
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
@@ -332,3 +332,93 @@ DbusExit(void)
{
}
#endif
+
+static int
+_DbusSendCommand(DBusBusType bus, const char *dest, const char *path,
+ const char *meth, const char *args)
+{
+ int err;
+ DBusError dberr;
+ DBusConnection *conn;
+ DBusMessage *msg, *rpl;
+ DBusMessageIter iter;
+ const char *iface = dest;
+
+ err = -1;
+ msg = rpl = NULL;
+ dbus_error_init(&dberr);
+
+ conn = dbus_bus_get(bus, &dberr);
+ if (dbus_error_is_set(&dberr))
+ goto quit;
+
+ msg = dbus_message_new_method_call(dest, path, iface, meth);
+
+ if (args)
+ {
+ const char *s = args;
+ int nr, type, value;
+ dbus_message_iter_init_append(msg, &iter);
+ for (;;)
+ {
+ type = *s++;
+ if (type == '\0')
+ break;
+ if (type == ';')
+ continue;
+ if (*s++ != '=')
+ break;
+ nr = -1;
+ if (type == 'u')
+ {
+ sscanf(s, "%u%n", &value, &nr);
+ if (nr <= 0)
+ goto quit;
+ s += nr;
+ if (!dbus_message_iter_append_basic(&iter,
+ DBUS_TYPE_UINT32, &value))
+ goto quit;
+ }
+ else
+ {
+ goto quit; /* Unknown type */
+ }
+ }
+ }
+
+ rpl = dbus_connection_send_with_reply_and_block(conn, msg, 100, &dberr);
+ if (!rpl)
+ goto quit;
+
+ dbus_connection_flush(conn);
+
+ err = 0;
+
+ quit:
+ if (dbus_error_is_set(&dberr))
+ {
+ Eprintf("*** Dbus error: %s\n", dberr.message);
+ dbus_error_free(&dberr);
+ }
+
+ if (msg)
+ dbus_message_unref(msg);
+ if (rpl)
+ dbus_message_unref(rpl);
+
+ return err;
+}
+
+int
+DbusRequestLogout(void)
+{
+ return _DbusSendCommand(DBUS_BUS_SESSION, "org.gnome.SessionManager",
+ "/org/gnome/SessionManager", "Logout", "u=0");
+}
+
+int
+DbusRequestShutdown(void)
+{
+ return _DbusSendCommand(DBUS_BUS_SESSION, "org.gnome.SessionManager",
+ "/org/gnome/SessionManager", "Shutdown", NULL);
+}
diff --git a/src/edbus.h b/src/edbus.h
index 0f2aba7a..05f97f03 100644
--- a/src/edbus.h
+++ b/src/edbus.h
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2007 Kim Woelders
+ * Copyright (C) 2007-2024 Kim Woelders
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
@@ -26,4 +26,7 @@
void DbusInit(void);
void DbusExit(void);
+int DbusRequestLogout(void);
+int DbusRequestShutdown(void);
+
#endif /* _EDBUS_H_ */
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