From c3db90f7f8f0b5ba7421302c0ccefb4ac4d64702 Mon Sep 17 00:00:00 2001
From: Halton Huo <halton.huo@sun.com>
Date: Fri, 15 Jan 2010 14:06:32 +0800
Subject: [PATCH] Enhancement CanActivateSessions for OpenSolaris.

VT switching is always enabled on Linux, but for OpenSolaris VT switching
can be truned of by 'svcadm disable vtdaemon'. So we should also check
whether the service vtdaemon is online on OpenSolaris.

https://bugs.freedesktop.org/show_bug.cgi?id=26055
---
 configure.ac    |   13 +++++++++++++
 src/Makefile.am |    1 +
 src/ck-seat.c   |   27 ++++++++++++++++++++++++++-
 3 files changed, 40 insertions(+), 1 deletions(-)

diff --git a/configure.ac b/configure.ac
index 117d788..8619f31 100644
--- a/configure.ac
+++ b/configure.ac
@@ -320,6 +320,19 @@ fi
 AC_SUBST(RBAC_LIBS)
 
 dnl ---------------------------------------------------------------------------
+dnl check for SCF (Only avail on solaris)
+dnl ---------------------------------------------------------------------------
+
+AC_CHECK_LIB(scf, smf_get_state,
+             [SCF_LIBS=-lscf
+             AC_DEFINE(HAVE_SCF,1,[Define to 1 if the libscf library is present.])],
+             [AC_MSG_WARN([[
+***
+*** libscf was not found.
+]])])
+AC_SUBST(SCF_LIBS)
+
+dnl ---------------------------------------------------------------------------
 dnl Finish
 dnl ---------------------------------------------------------------------------
 
diff --git a/src/Makefile.am b/src/Makefile.am
index 6ab05c8..4788fe1 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -139,6 +139,7 @@ console_kit_daemon_LDADD =	\
 	$(CONSOLE_KIT_LIBS)	\
 	$(POLKIT_LIBS)		\
 	$(RBAC_LIBS)		\
+	$(SCF_LIBS)		\
 	libck.la		\
 	libck-event-log.la	\
 	$(NULL)
diff --git a/src/ck-seat.c b/src/ck-seat.c
index af7db59..03231ee 100644
--- a/src/ck-seat.c
+++ b/src/ck-seat.c
@@ -25,6 +25,9 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <string.h>
+#ifdef HAVE_SCF
+#include <libscf.h>
+#endif
 
 #include <glib.h>
 #include <glib/gi18n.h>
@@ -662,6 +665,27 @@ ck_seat_add_session (CkSeat         *seat,
 }
 
 gboolean
+is_vt_enabled ()
+{
+#ifdef HAVE_SCF
+        char *state = NULL;
+        gboolean vt_enabled;
+
+        state = smf_get_state ("svc:/system/vtdaemon:default");
+        if (state && g_str_equal (state, SCF_STATE_STRING_ONLINE)) {
+                vt_enabled = TRUE;
+        } else {
+                vt_enabled = FALSE;
+        }
+
+        g_free (state);
+        return vt_enabled;
+#else
+         return TRUE;
+#endif /* HAVE_SCF */
+}
+
+gboolean
 ck_seat_can_activate_sessions (CkSeat   *seat,
                                gboolean *can_activate,
                                GError  **error)
@@ -669,7 +693,8 @@ ck_seat_can_activate_sessions (CkSeat   *seat,
         g_return_val_if_fail (CK_IS_SEAT (seat), FALSE);
 
         if (can_activate != NULL) {
-                *can_activate = (seat->priv->kind == CK_SEAT_KIND_STATIC);
+                *can_activate = (seat->priv->kind == CK_SEAT_KIND_STATIC)
+                                 && is_vt_enabled ();
         }
 
         return TRUE;
-- 
1.5.6.5