[svn-upgrade] Integrating new upstream version, strongswan (4.2.4)

14 files changed, 1053 insertions, 839 deletions

diff --git a/src/dumm/Makefile.am b/src/dumm/Makefile.am
index 3356e7a57..1e47e8907 100644
--- a/src/dumm/Makefile.am
+++ b/src/dumm/Makefile.am
@@ -1,12 +1,14 @@
 lib_LTLIBRARIES = libdumm.la
-ipsec_PROGRAMS = dumm
+ipsec_PROGRAMS = dumm testing
 
-libdumm_la_SOURCES = dumm.c dumm.h guest.c guest.h iface.c iface.h bridge.c bridge.h mconsole.c mconsole.h cowfs.h cowfs.c
+libdumm_la_SOURCES = dumm.c dumm.h guest.c guest.h iface.c iface.h \
+  bridge.c bridge.h mconsole.c mconsole.h cowfs.h cowfs.c
 dumm_SOURCES = main.c
+testing_SOURCES = testing.c
 
-libdumm_la_LIBADD = $(top_builddir)/src/libstrongswan/libstrongswan.la -lpthread -lbridge -lfuse -lutil ${xml_LIBS}
-dumm_LDADD = -ldumm -lreadline
-
-INCLUDES = -I$(top_srcdir)/src/libstrongswan ${xml_CFLAGS}
+libdumm_la_LIBADD = $(top_builddir)/src/libstrongswan/libstrongswan.la -lbridge -lfuse -lutil
+dumm_LDADD = -ldumm ${gtk_LIBS}
+testing_LDADD = -ldumm
 
+INCLUDES = -I$(top_srcdir)/src/libstrongswan ${gtk_CFLAGS}
 AM_CFLAGS = -D_FILE_OFFSET_BITS=64
diff --git a/src/dumm/Makefile.in b/src/dumm/Makefile.in
index 3431641d5..7dc53b8c0 100644
--- a/src/dumm/Makefile.in
+++ b/src/dumm/Makefile.in
@@ -1,8 +1,8 @@
-# Makefile.in generated by automake 1.10 from Makefile.am.
+# Makefile.in generated by automake 1.10.1 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006  Free Software Foundation, Inc.
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -33,7 +33,7 @@ PRE_UNINSTALL = :
 POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
-ipsec_PROGRAMS = dumm$(EXEEXT)
+ipsec_PROGRAMS = dumm$(EXEEXT) testing$(EXEEXT)
 subdir = src/dumm
 DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
@@ -51,10 +51,8 @@ am__strip_dir = `echo $$p | sed -e 's|^.*/||'`;
 am__installdirs = "$(DESTDIR)$(libdir)" "$(DESTDIR)$(ipsecdir)"
 libLTLIBRARIES_INSTALL = $(INSTALL)
 LTLIBRARIES = $(lib_LTLIBRARIES)
-am__DEPENDENCIES_1 =
 libdumm_la_DEPENDENCIES =  \
-	$(top_builddir)/src/libstrongswan/libstrongswan.la \
-	$(am__DEPENDENCIES_1)
+	$(top_builddir)/src/libstrongswan/libstrongswan.la
 am_libdumm_la_OBJECTS = dumm.lo guest.lo iface.lo bridge.lo \
 	mconsole.lo cowfs.lo
 libdumm_la_OBJECTS = $(am_libdumm_la_OBJECTS)
@@ -62,7 +60,11 @@ ipsecPROGRAMS_INSTALL = $(INSTALL_PROGRAM)
 PROGRAMS = $(ipsec_PROGRAMS)
 am_dumm_OBJECTS = main.$(OBJEXT)
 dumm_OBJECTS = $(am_dumm_OBJECTS)
-dumm_DEPENDENCIES =
+am__DEPENDENCIES_1 =
+dumm_DEPENDENCIES = $(am__DEPENDENCIES_1)
+am_testing_OBJECTS = testing.$(OBJEXT)
+testing_OBJECTS = $(am_testing_OBJECTS)
+testing_DEPENDENCIES =
 DEFAULT_INCLUDES = -I.@am__isrc@
 depcomp = $(SHELL) $(top_srcdir)/depcomp
 am__depfiles_maybe = depfiles
@@ -75,8 +77,9 @@ CCLD = $(CC)
 LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
 	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
 	$(LDFLAGS) -o $@
-SOURCES = $(libdumm_la_SOURCES) $(dumm_SOURCES)
-DIST_SOURCES = $(libdumm_la_SOURCES) $(dumm_SOURCES)
+SOURCES = $(libdumm_la_SOURCES) $(dumm_SOURCES) $(testing_SOURCES)
+DIST_SOURCES = $(libdumm_la_SOURCES) $(dumm_SOURCES) \
+	$(testing_SOURCES)
 ETAGS = etags
 CTAGS = ctags
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
@@ -99,6 +102,7 @@ CXXFLAGS = @CXXFLAGS@
 CYGPATH_W = @CYGPATH_W@
 DEFS = @DEFS@
 DEPDIR = @DEPDIR@
+DSYMUTIL = @DSYMUTIL@
 ECHO = @ECHO@
 ECHO_C = @ECHO_C@
 ECHO_N = @ECHO_N@
@@ -128,6 +132,7 @@ LN_S = @LN_S@
 LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MKDIR_P = @MKDIR_P@
+NMEDIT = @NMEDIT@
 OBJEXT = @OBJEXT@
 PACKAGE = @PACKAGE@
 PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
@@ -158,7 +163,6 @@ am__leading_dot = @am__leading_dot@
 am__quote = @am__quote@
 am__tar = @am__tar@
 am__untar = @am__untar@
-backenddir = @backenddir@
 bindir = @bindir@
 build = @build@
 build_alias = @build_alias@
@@ -169,12 +173,11 @@ builddir = @builddir@
 confdir = @confdir@
 datadir = @datadir@
 datarootdir = @datarootdir@
-dbus_CFLAGS = @dbus_CFLAGS@
-dbus_LIBS = @dbus_LIBS@
 docdir = @docdir@
 dvidir = @dvidir@
-eapdir = @eapdir@
 exec_prefix = @exec_prefix@
+gtk_CFLAGS = @gtk_CFLAGS@
+gtk_LIBS = @gtk_LIBS@
 host = @host@
 host_alias = @host_alias@
 host_cpu = @host_cpu@
@@ -184,12 +187,12 @@ htmldir = @htmldir@
 includedir = @includedir@
 infodir = @infodir@
 install_sh = @install_sh@
-interfacedir = @interfacedir@
 ipsecdir = @ipsecdir@
-ipsecgid = @ipsecgid@
-ipsecuid = @ipsecuid@
+ipsecgroup = @ipsecgroup@
+ipsecuser = @ipsecuser@
 libdir = @libdir@
 libexecdir = @libexecdir@
+libstrongswan_plugins = @libstrongswan_plugins@
 linuxdir = @linuxdir@
 localedir = @localedir@
 localstatedir = @localstatedir@
@@ -202,10 +205,12 @@ plugindir = @plugindir@
 prefix = @prefix@
 program_transform_name = @program_transform_name@
 psdir = @psdir@
+resolv_conf = @resolv_conf@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 simreader = @simreader@
 srcdir = @srcdir@
+strongswan_conf = @strongswan_conf@
 sysconfdir = @sysconfdir@
 target_alias = @target_alias@
 top_builddir = @top_builddir@
@@ -213,11 +218,15 @@ top_srcdir = @top_srcdir@
 xml_CFLAGS = @xml_CFLAGS@
 xml_LIBS = @xml_LIBS@
 lib_LTLIBRARIES = libdumm.la
-libdumm_la_SOURCES = dumm.c dumm.h guest.c guest.h iface.c iface.h bridge.c bridge.h mconsole.c mconsole.h cowfs.h cowfs.c
+libdumm_la_SOURCES = dumm.c dumm.h guest.c guest.h iface.c iface.h \
+  bridge.c bridge.h mconsole.c mconsole.h cowfs.h cowfs.c
+
 dumm_SOURCES = main.c
-libdumm_la_LIBADD = $(top_builddir)/src/libstrongswan/libstrongswan.la -lpthread -lbridge -lfuse -lutil ${xml_LIBS}
-dumm_LDADD = -ldumm -lreadline
-INCLUDES = -I$(top_srcdir)/src/libstrongswan ${xml_CFLAGS}
+testing_SOURCES = testing.c
+libdumm_la_LIBADD = $(top_builddir)/src/libstrongswan/libstrongswan.la -lbridge -lfuse -lutil
+dumm_LDADD = -ldumm ${gtk_LIBS}
+testing_LDADD = -ldumm
+INCLUDES = -I$(top_srcdir)/src/libstrongswan ${gtk_CFLAGS}
 AM_CFLAGS = -D_FILE_OFFSET_BITS=64
 all: all-am
 
@@ -258,8 +267,8 @@ install-libLTLIBRARIES: $(lib_LTLIBRARIES)
 	@list='$(lib_LTLIBRARIES)'; for p in $$list; do \
 	  if test -f $$p; then \
 	    f=$(am__strip_dir) \
-	    echo " $(LIBTOOL) --mode=install $(libLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) '$$p' '$(DESTDIR)$(libdir)/$$f'"; \
-	    $(LIBTOOL) --mode=install $(libLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) "$$p" "$(DESTDIR)$(libdir)/$$f"; \
+	    echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(libLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) '$$p' '$(DESTDIR)$(libdir)/$$f'"; \
+	    $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(libLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) "$$p" "$(DESTDIR)$(libdir)/$$f"; \
 	  else :; fi; \
 	done
 
@@ -267,8 +276,8 @@ uninstall-libLTLIBRARIES:
 	@$(NORMAL_UNINSTALL)
 	@list='$(lib_LTLIBRARIES)'; for p in $$list; do \
 	  p=$(am__strip_dir) \
-	  echo " $(LIBTOOL) --mode=uninstall rm -f '$(DESTDIR)$(libdir)/$$p'"; \
-	  $(LIBTOOL) --mode=uninstall rm -f "$(DESTDIR)$(libdir)/$$p"; \
+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f '$(DESTDIR)$(libdir)/$$p'"; \
+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f "$(DESTDIR)$(libdir)/$$p"; \
 	done
 
 clean-libLTLIBRARIES:
@@ -290,8 +299,8 @@ install-ipsecPROGRAMS: $(ipsec_PROGRAMS)
 	     || test -f $$p1 \
 	  ; then \
 	    f=`echo "$$p1" | sed 's,^.*/,,;$(transform);s/$$/$(EXEEXT)/'`; \
-	   echo " $(INSTALL_PROGRAM_ENV) $(LIBTOOL) --mode=install $(ipsecPROGRAMS_INSTALL) '$$p' '$(DESTDIR)$(ipsecdir)/$$f'"; \
-	   $(INSTALL_PROGRAM_ENV) $(LIBTOOL) --mode=install $(ipsecPROGRAMS_INSTALL) "$$p" "$(DESTDIR)$(ipsecdir)/$$f" || exit 1; \
+	   echo " $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(ipsecPROGRAMS_INSTALL) '$$p' '$(DESTDIR)$(ipsecdir)/$$f'"; \
+	   $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(ipsecPROGRAMS_INSTALL) "$$p" "$(DESTDIR)$(ipsecdir)/$$f" || exit 1; \
 	  else :; fi; \
 	done
 
@@ -312,6 +321,9 @@ clean-ipsecPROGRAMS:
 dumm$(EXEEXT): $(dumm_OBJECTS) $(dumm_DEPENDENCIES) 
 	@rm -f dumm$(EXEEXT)
 	$(LINK) $(dumm_OBJECTS) $(dumm_LDADD) $(LIBS)
+testing$(EXEEXT): $(testing_OBJECTS) $(testing_DEPENDENCIES) 
+	@rm -f testing$(EXEEXT)
+	$(LINK) $(testing_OBJECTS) $(testing_LDADD) $(LIBS)
 
 mostlyclean-compile:
 	-rm -f *.$(OBJEXT)
@@ -326,6 +338,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/iface.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/main.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mconsole.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/testing.Po@am__quote@
 
 .c.o:
 @am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
@@ -359,8 +372,8 @@ ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
 	unique=`for i in $$list; do \
 	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
 	  done | \
-	  $(AWK) '    { files[$$0] = 1; } \
-	       END { for (i in files) print i; }'`; \
+	  $(AWK) '{ files[$$0] = 1; nonemtpy = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
 	mkid -fID $$unique
 tags: TAGS
 
@@ -372,8 +385,8 @@ TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
 	unique=`for i in $$list; do \
 	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
 	  done | \
-	  $(AWK) '    { files[$$0] = 1; } \
-	       END { for (i in files) print i; }'`; \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
 	if test -z "$(ETAGS_ARGS)$$tags$$unique"; then :; else \
 	  test -n "$$unique" || unique=$$empty_fix; \
 	  $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
@@ -383,13 +396,12 @@ ctags: CTAGS
 CTAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
 		$(TAGS_FILES) $(LISP)
 	tags=; \
-	here=`pwd`; \
 	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
 	unique=`for i in $$list; do \
 	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
 	  done | \
-	  $(AWK) '    { files[$$0] = 1; } \
-	       END { for (i in files) print i; }'`; \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
 	test -z "$(CTAGS_ARGS)$$tags$$unique" \
 	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
 	     $$tags $$unique
diff --git a/src/dumm/bridge.c b/src/dumm/bridge.c
index c6068e60c..cb8017c78 100644
--- a/src/dumm/bridge.c
+++ b/src/dumm/bridge.c
@@ -31,6 +31,11 @@ struct private_bridge_t {
 	/** list of attached interfaces */
 	linked_list_t *ifaces;
 };
+
+/**
+ * defined in iface.c
+ */
+bool iface_control(char *name, bool up);
 	
 /**
  * Implementation of bridge_t.get_name.
@@ -41,11 +46,11 @@ static char* get_name(private_bridge_t *this)
 }
 
 /**
- * Implementation of bridge_t.create_iface_iterator.
+ * Implementation of bridge_t.create_iface_enumerator.
  */
-static iterator_t* create_iface_iterator(private_bridge_t *this)
+static enumerator_t* create_iface_enumerator(private_bridge_t *this)
 {
-	return this->ifaces->create_iterator(this->ifaces, TRUE);
+	return this->ifaces->create_enumerator(this->ifaces);
 }
 
 /**
@@ -53,12 +58,12 @@ static iterator_t* create_iface_iterator(private_bridge_t *this)
  */
 static bool disconnect_iface(private_bridge_t *this, iface_t *iface)
 {
-	iterator_t *iterator;
-	iface_t *current;
+	enumerator_t *enumerator;
+	iface_t *current = NULL;
 	bool good = FALSE;
 
-	iterator = this->ifaces->create_iterator(this->ifaces, TRUE);
-	while (iterator->iterate(iterator, (void**)&current))
+	enumerator = this->ifaces->create_enumerator(this->ifaces);
+	while (enumerator->enumerate(enumerator, (void**)&current))
 	{
 		if (current == iface)
 		{
@@ -70,6 +75,7 @@ static bool disconnect_iface(private_bridge_t *this, iface_t *iface)
 			else
 			{
 				iface->set_bridge(iface, NULL);
+				this->ifaces->remove_at(this->ifaces, enumerator);
 				good = TRUE;
 			}
 			break;
@@ -80,7 +86,7 @@ static bool disconnect_iface(private_bridge_t *this, iface_t *iface)
 		DBG1("iface '%s' not found on bridge '%s'", iface->get_hostif(iface),
 			 this->name);
 	}
-	iterator->destroy(iterator);
+	enumerator->destroy(enumerator);
 	return good;
 }
 
@@ -118,8 +124,9 @@ static void unregister(iface_t *iface)
  */
 static void destroy(private_bridge_t *this)
 {
-	this->ifaces->invoke_function(this->ifaces, (void(*)(void*))unregister);
+	this->ifaces->invoke_function(this->ifaces, (linked_list_invoke_t)unregister);
 	this->ifaces->destroy(this->ifaces);
+	iface_control(this->name, FALSE);
 	if (br_del_bridge(this->name) != 0)
 	{
 		DBG1("deleting bridge '%s' from kernel failed: %m", this->name);
@@ -150,7 +157,7 @@ bridge_t *bridge_create(char *name)
 	
 	this = malloc_thing(private_bridge_t);
 	this->public.get_name = (char*(*)(bridge_t*))get_name;
-	this->public.create_iface_iterator = (iterator_t*(*)(bridge_t*))create_iface_iterator;
+	this->public.create_iface_enumerator = (enumerator_t*(*)(bridge_t*))create_iface_enumerator;
 	this->public.disconnect_iface = (bool(*)(bridge_t*, iface_t *iface))disconnect_iface;
 	this->public.connect_iface = (bool(*)(bridge_t*, iface_t *iface))connect_iface;
 	this->public.destroy = (void*)destroy;
@@ -161,6 +168,10 @@ bridge_t *bridge_create(char *name)
 		free(this);
 		return NULL;
 	}
+	if (!iface_control(name, TRUE))
+	{
+		DBG1("bringing bridge '%s' up failed: %m", name);
+	}
 
 	this->name = strdup(name);
 	this->ifaces = linked_list_create();
diff --git a/src/dumm/bridge.h b/src/dumm/bridge.h
index 6d28ed376..79a0a3a72 100644
--- a/src/dumm/bridge.h
+++ b/src/dumm/bridge.h
@@ -17,7 +17,7 @@
 #define BRIDGE_H
 
 #include <library.h>
-#include <utils/iterator.h>
+#include <utils/enumerator.h>
 
 typedef struct bridge_t bridge_t;
 
@@ -31,32 +31,32 @@ struct bridge_t {
 	/**
 	 * @brief Get the name of the bridge.
 	 *
-	 * @return				name of the bridge
+	 * @return			name of the bridge
 	 */
 	char* (*get_name)(bridge_t *this);
 	
 	/**
 	 * @brief Add an interface to a bridge.
 	 *
-	 * @param iface			interface to add
-	 * @return				TRUE if interface added
+	 * @param iface		interface to add
+	 * @return			TRUE if interface added
 	 */
 	bool (*connect_iface)(bridge_t *this, iface_t *iface);
 	
 	/**
 	 * @brief Remove an interface from a bridge.
 	 *
-	 * @param iface			interface to remove
-	 * @return				TRUE if interface removed
+	 * @param iface		interface to remove
+	 * @return			TRUE if interface removed
 	 */
 	bool (*disconnect_iface)(bridge_t *this, iface_t *iface);
 	
 	/**
-	 * @brief Create an iterator over all interfaces.
+	 * @brief Create an enumerator over all interfaces.
 	 *
-	 * @return 				iterator over iface_t's
+	 * @return 			enumerator over iface_t's
 	 */
-	iterator_t* (*create_iface_iterator)(bridge_t *this);	
+	enumerator_t* (*create_iface_enumerator)(bridge_t *this);	
 	
 	/**
 	 * @brief Destroy a bridge
diff --git a/src/dumm/dumm.c b/src/dumm/dumm.c
index b9a2814e6..5db8eaee0 100644
--- a/src/dumm/dumm.c
+++ b/src/dumm/dumm.c
@@ -23,6 +23,7 @@
 #include <errno.h>
 
 #include <debug.h>
+#include <utils/linked_list.h>
 
 #include "dumm.h"
 
@@ -31,11 +32,6 @@
 #define TEMPLATE_DIR "templates"
 #define TEMPLATE_DIR_DIR "diff"
 
-/**
- * instances of dumm, used to deliver signals
- */
-static linked_list_t *instances = NULL;
-
 typedef struct private_dumm_t private_dumm_t;
 
 struct private_dumm_t {
@@ -74,11 +70,31 @@ static guest_t* create_guest(private_dumm_t *this, char *name, char *kernel,
 }
 
 /**
- * Implementation of dumm_t.create_guest_iterator.
+ * Implementation of dumm_t.create_guest_enumerator.
+ */
+static enumerator_t* create_guest_enumerator(private_dumm_t *this)
+{
+	return this->guests->create_enumerator(this->guests);
+}
+
+/**
+ * Implementation of dumm_t.delete_guest.
  */
-static iterator_t* create_guest_iterator(private_dumm_t *this)
+static void delete_guest(private_dumm_t *this, guest_t *guest)
 {
-	return this->guests->create_iterator(this->guests, TRUE);
+	if (this->guests->remove(this->guests, guest, NULL))
+	{
+		char buf[512];
+		int len;
+		
+		len = snprintf(buf, sizeof(buf), "rm -Rf %s/%s",
+					   this->guest_dir, guest->get_name(guest));
+		guest->destroy(guest);
+		if (len > 8 && len < 512)
+		{
+			system(buf);
+		}
+	}
 }
 
 /**
@@ -97,11 +113,22 @@ static bridge_t* create_bridge(private_dumm_t *this, char *name)
 }
 
 /**
- * Implementation of dumm_t.create_bridge_iterator.
+ * Implementation of dumm_t.create_bridge_enumerator.
+ */
+static enumerator_t* create_bridge_enumerator(private_dumm_t *this)
+{
+	return this->bridges->create_enumerator(this->bridges);
+}
+
+/**
+ * Implementation of dumm_t.delete_bridge.
  */
-static iterator_t* create_bridge_iterator(private_dumm_t *this)
+static void delete_bridge(private_dumm_t *this, bridge_t *bridge)
 {
-	return this->bridges->create_iterator(this->bridges, TRUE);
+	if (this->bridges->remove(this->bridges, bridge, NULL))
+	{
+		bridge->destroy(bridge);
+	}
 }
 
 /**
@@ -109,26 +136,18 @@ static iterator_t* create_bridge_iterator(private_dumm_t *this)
  */
 static void clear_template(private_dumm_t *this)
 {
-	iterator_t *iterator, *ifaces;
+	enumerator_t *enumerator;
 	guest_t *guest;
-	iface_t *iface;
 
 	free(this->template);
 	this->template = NULL;
 
-	iterator = this->guests->create_iterator(this->guests, TRUE);
-	while (iterator->iterate(iterator, (void**)&guest))
+	enumerator = this->guests->create_enumerator(this->guests);
+	while (enumerator->enumerate(enumerator, (void**)&guest))
 	{
 		guest->load_template(guest, NULL);
-		ifaces = guest->create_iface_iterator(guest);
-		while (ifaces->iterate(ifaces, (void**)&iface))
-		{
-			ifaces->remove(ifaces);
-			iface->destroy(iface);
-		}
-		ifaces->destroy(ifaces);
 	}
-	iterator->destroy(iterator);
+	enumerator->destroy(enumerator);
 }
 
 /**
@@ -136,7 +155,7 @@ static void clear_template(private_dumm_t *this)
  */
 static bool load_template(private_dumm_t *this, char *name)
 {
-	iterator_t *iterator;
+	enumerator_t *enumerator;
 	guest_t *guest;
 	char dir[PATH_MAX];
 	size_t len;
@@ -169,131 +188,36 @@ static bool load_template(private_dumm_t *this, char *name)
 			return FALSE;
 		}
 	}
-	iterator = this->guests->create_iterator(this->guests, TRUE);
-	while (iterator->iterate(iterator, (void**)&guest))
+	enumerator = this->guests->create_enumerator(this->guests);
+	while (enumerator->enumerate(enumerator, (void**)&guest))
 	{
 		if (!guest->load_template(guest, dir))
 		{
-			iterator->destroy(iterator);
+			enumerator->destroy(enumerator);
 			clear_template(this);
 			return FALSE;
 		}
 	}
-	iterator->destroy(iterator);
+	enumerator->destroy(enumerator);
 	return TRUE;
 }
 
 /**
- * signal handler 
- */
-void signal_handler(int sig, siginfo_t *info, void *ucontext)
-{
-	if (sig == SIGCHLD)
-	{
-		switch (info->si_code)
-		{
-			case CLD_EXITED:
-			case CLD_KILLED:
-			case CLD_DUMPED:
-			{
-				private_dumm_t *this;
-				guest_t *guest;
-				iterator_t *iterator, *guests;
-				
-				iterator = instances->create_iterator(instances, TRUE);
-				while (iterator->iterate(iterator, (void**)&this))
-				{
-					if (this->destroying)
-					{
-						continue;
-					}
-					guests = this->guests->create_iterator(this->guests, TRUE);
-					while (guests->iterate(guests, (void**)&guest))
-					{
-						if (guest->get_pid(guest) == info->si_pid)
-						{
-							guest->sigchild(guest);
-							break;
-						}
-					}
-					guests->destroy(guests);
-				}
-				iterator->destroy(iterator);
-				break;
-			}
-			default:
-				break;
-		}
-
-	}
-	/* SIGHUP is currently just ignored */
-}
-
-/**
- * add a dumm instance
- */
-static void add_instance(private_dumm_t *this)
-{
-	if (instances == NULL)
-	{
-		struct sigaction action;
-		
-		instances = linked_list_create();
-		
-		memset(&action, 0, sizeof(action));
-		action.sa_sigaction = signal_handler;
-		action.sa_flags = SA_SIGINFO;
-		
-		if (sigaction(SIGCHLD, &action, NULL) != 0 ||
-			sigaction(SIGHUP, &action, NULL) != 0)
-		{
-			DBG1("installing signal handler failed!");
-		}
-	}
-	instances->insert_last(instances, this);
-}
-
-/**
- * remove a dumm instance
- */
-static void remove_instance(private_dumm_t *this)
-{
-	iterator_t *iterator;
-	private_dumm_t *current;
-	
-	iterator = instances->create_iterator(instances, TRUE);
-	while (iterator->iterate(iterator, (void**)&current))
-	{
-		if (current == this)
-		{
-			iterator->remove(iterator);
-			break;
-		}
-	}
-	iterator->destroy(iterator);
-	if (instances->get_count(instances) == 0)
-	{
-		instances->destroy(instances);
-		instances = NULL;
-	}
-}
-
-/**
  * Implementation of dumm_t.destroy
  */
 static void destroy(private_dumm_t *this)
 {
-	iterator_t *iterator;
+	enumerator_t *enumerator;
 	guest_t *guest;
 
 	this->bridges->destroy_offset(this->bridges, offsetof(bridge_t, destroy));
 	
-	iterator = this->guests->create_iterator(this->guests, TRUE);
-	while (iterator->iterate(iterator, (void**)&guest))
+	enumerator = this->guests->create_enumerator(this->guests);
+	while (enumerator->enumerate(enumerator, (void**)&guest))
 	{
-		guest->stop(guest);
+		guest->stop(guest, NULL);
 	}
-	iterator->destroy(iterator);
+	enumerator->destroy(enumerator);
 	
 	this->destroying = TRUE;
 	this->guests->destroy_offset(this->guests, offsetof(guest_t, destroy));
@@ -301,7 +225,6 @@ static void destroy(private_dumm_t *this)
 	free(this->template_dir);
 	free(this->template);
 	free(this->dir);
-	remove_instance(this);
 	free(this);
 }
 
@@ -329,7 +252,6 @@ static void load_guests(private_dumm_t *this)
 		guest = guest_load(this->guest_dir, ent->d_name);
 		if (guest)
 		{
-			DBG1("loaded guest '%s'", ent->d_name);
 			this->guests->insert_last(this->guests, guest);
 		}
 		else
@@ -349,20 +271,35 @@ dumm_t *dumm_create(char *dir)
 	private_dumm_t *this = malloc_thing(private_dumm_t);
 	
 	this->public.create_guest = (guest_t*(*)(dumm_t*,char*,char*,char*,int))create_guest;
-	this->public.create_guest_iterator = (iterator_t*(*)(dumm_t*))create_guest_iterator;
+	this->public.create_guest_enumerator = (enumerator_t*(*)(dumm_t*))create_guest_enumerator;
+	this->public.delete_guest = (void(*)(dumm_t*,guest_t*))delete_guest;
 	this->public.create_bridge = (bridge_t*(*)(dumm_t*, char *name))create_bridge;
-	this->public.create_bridge_iterator = (iterator_t*(*)(dumm_t*))create_bridge_iterator;
+	this->public.create_bridge_enumerator = (enumerator_t*(*)(dumm_t*))create_bridge_enumerator;
+	this->public.delete_bridge = (void(*)(dumm_t*,bridge_t*))delete_bridge;
 	this->public.load_template = (bool(*)(dumm_t*, char *name))load_template;
 	this->public.destroy = (void(*)(dumm_t*))destroy;
 	
 	this->destroying = FALSE;
-	if (*dir == '/' || getcwd(cwd, sizeof(cwd)) == 0)
+	
+	if (dir && *dir == '/')
 	{
 		this->dir = strdup(dir);
 	}
 	else
 	{
-		asprintf(&this->dir, "%s/%s", cwd, dir);
+	 	if (getcwd(cwd, sizeof(cwd)) == NULL)
+	 	{
+	 		free(this);
+	 		return NULL;
+	 	}
+		if (dir)
+		{
+			asprintf(&this->dir, "%s/%s", cwd, dir);
+		}
+		else
+		{
+			this->dir = strdup(cwd);
+		}
 	}
 	this->template = NULL;
 	asprintf(&this->guest_dir, "%s/%s", this->dir, GUEST_DIR);
@@ -370,8 +307,6 @@ dumm_t *dumm_create(char *dir)
 	this->guests = linked_list_create();
 	this->bridges = linked_list_create();
 	
-	add_instance(this);
-	
 	if (mkdir(this->guest_dir, PERME) < 0 && errno != EEXIST)
 	{
 		DBG1("creating guest directory '%s' failed: %m", this->guest_dir);
diff --git a/src/dumm/dumm.h b/src/dumm/dumm.h
index 5414f9993..6abf4fc92 100644
--- a/src/dumm/dumm.h
+++ b/src/dumm/dumm.h
@@ -19,7 +19,7 @@
 #include <signal.h>
 
 #include <library.h>
-#include <utils/linked_list.h>
+#include <utils/enumerator.h>
 
 #include "guest.h"
 #include "bridge.h"
@@ -30,8 +30,6 @@ typedef struct dumm_t dumm_t;
  * @brief dumm - Dynamic Uml Mesh Modeler
  *
  * Controls a group of UML guests and their networks.
- * Dumm catches SIGCHD and SIGHUP to trace UML child processes and the FUSE
- * filesystem. Do not overwrite these signal handlers!
  */
 struct dumm_t {
 
@@ -48,11 +46,18 @@ struct dumm_t {
 							  char *master, int mem);
 	
 	/**
-	 * @brief Create an iterator over all guests.
+	 * @brief Create an enumerator over all guests.
 	 *
-	 * @return			iteraotor over guest_t's
+	 * @return			enumerator over guest_t's
 	 */
-	iterator_t* (*create_guest_iterator) (dumm_t *this);
+	enumerator_t* (*create_guest_enumerator) (dumm_t *this);
+	
+	/**
+	 * @brief Delete a guest from disk.
+	 *
+	 * @param guest		guest to destroy
+	 */
+	void (*delete_guest) (dumm_t *this, guest_t *guest);
 	
 	/**
 	 * @brief Create a new bridge.
@@ -63,11 +68,18 @@ struct dumm_t {
 	bridge_t* (*create_bridge)(dumm_t *this, char *name);
 	
 	/**
-	 * @brief Create an iterator over all bridges.
+	 * @brief Create an enumerator over all bridges.
+	 *
+	 * @return			enumerator over bridge_t's
+	 */
+	enumerator_t* (*create_bridge_enumerator)(dumm_t *this);
+	
+	/**
+	 * @brief Delete a bridge.
 	 *
-	 * @return			iterator over bridge_t's
+	 * @param bridge	bridge to destroy
 	 */
-	iterator_t* (*create_bridge_iterator)(dumm_t *this);
+	void (*delete_bridge) (dumm_t *this, bridge_t *bridge);
 	
 	/**
 	 * @brief Loads a template, create a new one if it does not exist.
@@ -86,7 +98,7 @@ struct dumm_t {
 /**
  * @brief Create a group of UML hosts and networks.
  *
- * @param dir			directory to create guests/load from
+ * @param dir			directory to create guests/load from, NULL for cwd
  * @return				created UML group, or NULL if failed.
  */
 dumm_t *dumm_create(char *dir);
diff --git a/src/dumm/guest.c b/src/dumm/guest.c
index bbb59f431..4b2652688 100644
--- a/src/dumm/guest.c
+++ b/src/dumm/guest.c
@@ -41,6 +41,7 @@
 #define DIFF_DIR "diff"
 #define UNION_DIR "union"
 #define MEMORY_FILE "mem"
+#define PID_FILE "pid"
 #define KERNEL_FILE "linux"
 #define LOG_FILE "boot.log"
 #define NOTIFY_FILE "notify"
@@ -63,8 +64,6 @@ struct private_guest_t {
 	int pid;
 	/** state of guest */
 	guest_state_t state;
-	/** log file for console 0 */
-	int bootlog;
 	/** FUSE cowfs instance */
 	cowfs_t *cowfs;
 	/** mconsole to control running UML */
@@ -94,7 +93,7 @@ static char* get_name(private_guest_t *this)
  */
 static iface_t* create_iface(private_guest_t *this, char *name)
 {
-	iterator_t *iterator;
+	enumerator_t *enumerator;
 	iface_t *iface;
 	
 	if (this->state != GUEST_RUNNING)
@@ -103,17 +102,17 @@ static iface_t* create_iface(private_guest_t *this, char *name)
 		return NULL;
 	}
 	
-	iterator = this->ifaces->create_iterator(this->ifaces, TRUE);
-	while (iterator->iterate(iterator, (void**)&iface))
+	enumerator = this->ifaces->create_enumerator(this->ifaces);
+	while (enumerator->enumerate(enumerator, (void**)&iface))
 	{
 		if (streq(name, iface->get_guestif(iface)))
 		{
 			DBG1("guest '%s' already has an interface '%s'", this->name, name);
-			iterator->destroy(iterator);
+			enumerator->destroy(enumerator);
 			return NULL;
 		}
 	}
-	iterator->destroy(iterator);
+	enumerator->destroy(enumerator);
 
 	iface = iface_create(this->name, name, this->mconsole);
 	if (iface)
@@ -124,11 +123,32 @@ static iface_t* create_iface(private_guest_t *this, char *name)
 }
 
 /**
- * Implementation of guest_t.create_iface_iterator.
+ * Implementation of guest_t.destroy_iface.
  */
-static iterator_t* create_iface_iterator(private_guest_t *this)
+static void destroy_iface(private_guest_t *this, iface_t *iface)
 {
-	return this->ifaces->create_iterator(this->ifaces, TRUE);
+	enumerator_t *enumerator;
+	iface_t *current;
+	
+	enumerator = this->ifaces->create_enumerator(this->ifaces);
+	while (enumerator->enumerate(enumerator, (void**)&current))
+	{
+		if (current == iface)
+		{
+			this->ifaces->remove_at(this->ifaces, enumerator);
+			current->destroy(current);
+			break;
+		}
+	}
+	enumerator->destroy(enumerator);
+}
+
+/**
+ * Implementation of guest_t.create_iface_enumerator.
+ */
+static enumerator_t* create_iface_enumerator(private_guest_t *this)
+{
+	return this->ifaces->create_enumerator(this->ifaces);
 }
 	
 /**
@@ -170,45 +190,62 @@ static char* write_arg(char **pos, size_t *left, char *format, ...)
 }
 
 /**
- * Implementation of get_t.close_console.
+ * Implementation of guest_t.stop.
  */
-static char* get_console(private_guest_t *this, int console)
+static void stop(private_guest_t *this, idle_function_t idle)
 {
-	if (this->state == GUEST_RUNNING)
+	if (this->state != GUEST_STOPPED)
 	{
-		return this->mconsole->get_console_pts(this->mconsole, console);
+		this->state = GUEST_STOPPING;
+		this->ifaces->destroy_offset(this->ifaces, offsetof(iface_t, destroy));
+		this->ifaces = linked_list_create();
+		kill(this->pid, SIGINT);
+		while (this->state != GUEST_STOPPED)
+		{
+			if (idle)
+			{
+				idle();
+			}
+			else
+			{
+				usleep(50000);
+			}
+		}
+		unlinkat(this->dir, PID_FILE, 0);
 	}
-	return NULL;
 }
 
 /**
- * Implementation of guest_t.stop.
+ * save pid in file
  */
-static void stop(private_guest_t *this)
+void savepid(private_guest_t *this)
 {
-	if (this->state != GUEST_STOPPED)
+	FILE *file;
+	
+	file = fdopen(openat(this->dir, PID_FILE, O_RDWR | O_CREAT | O_TRUNC,
+						 PERM), "w");
+	if (file)
 	{
-		this->state = GUEST_STOPPING;
-		this->ifaces->destroy_offset(this->ifaces, offsetof(iface_t, destroy));
-		this->ifaces = linked_list_create();
-		kill(this->pid, SIGINT);
-		waitpid(this->pid, NULL, 0);
-		this->state = GUEST_STOPPED;
+		fprintf(file, "%d", this->pid);
+		fclose(file);
 	}
 }
 
 /**
  * Implementation of guest_t.start.
  */
-static bool start(private_guest_t *this)
+static bool start(private_guest_t *this, invoke_function_t invoke, void* data,
+				  idle_function_t idle)
 {
 	char buf[2048];
 	char *notify;
 	char *pos = buf;
-	char *args[16];
+	char *args[32];
 	int i = 0;
 	size_t left = sizeof(buf);
 	
+	memset(args, 0, sizeof(args));
+	
 	if (this->state != GUEST_STOPPED)
 	{
 		DBG1("unable to start guest in state %N", guest_state_names, this->state);
@@ -226,32 +263,22 @@ static bool start(private_guest_t *this)
 	args[i++] = write_arg(&pos, &left, "umid=%s", this->name);
 	args[i++] = write_arg(&pos, &left, "mem=%dM", this->mem);
 	args[i++] = write_arg(&pos, &left, "mconsole=notify:%s", notify);
-	args[i++] = write_arg(&pos, &left, "con=pts");
-	args[i++] = write_arg(&pos, &left, "con0=none,fd:%d", this->bootlog);
-	args[i++] = NULL;
+	args[i++] = write_arg(&pos, &left, "con=null");
 	  
-	this->pid = fork();
-	switch (this->pid)
-	{
-		case 0: /* child,  */
-			dup2(open("/dev/null", 0), 0);
-			dup2(this->bootlog, 1);
-			dup2(this->bootlog, 2);
-			execvp(args[0], args);
-			DBG1("starting UML kernel '%s' failed: %m", args[0]);
-			exit(1);
-		case -1:
-			this->state = GUEST_STOPPED;
-			return FALSE;
-		default:
-			break;
+	this->pid = invoke(data, &this->public, args, i);
+	if (!this->pid)
+	{
+		this->state = GUEST_STOPPED;
+		return FALSE;
 	}
+	savepid(this);
+	
 	/* open mconsole */
-	this->mconsole = mconsole_create(notify);
+	this->mconsole = mconsole_create(notify, idle);
 	if (this->mconsole == NULL)
 	{
 		DBG1("opening mconsole at '%s' failed, stopping guest", buf);
-		stop(this);
+		stop(this, NULL);
 		return FALSE;
 	}
 	
@@ -266,6 +293,7 @@ static bool load_template(private_guest_t *this, char *path)
 {
 	char dir[PATH_MAX];
 	size_t len;
+	iface_t *iface;
 	
 	if (path == NULL)
 	{
@@ -285,7 +313,15 @@ static bool load_template(private_guest_t *this, char *path)
 			return FALSE;
 		}
 	}
-	return this->cowfs->set_overlay(this->cowfs, dir);
+	if (!this->cowfs->set_overlay(this->cowfs, dir))
+	{
+		return FALSE;
+	}
+	while (this->ifaces->remove_last(this->ifaces, (void**)&iface) == SUCCESS)
+	{
+		iface->destroy(iface);
+	}
+	return TRUE;
 }
 
 /**
@@ -293,10 +329,6 @@ static bool load_template(private_guest_t *this, char *path)
  */
 static void sigchild(private_guest_t *this)
 {
-	if (this->state != GUEST_STOPPING)
-	{	/* collect zombie if uml crashed */
-		waitpid(this->pid, NULL, WNOHANG);
-	}
 	DESTROY_IF(this->mconsole);
 	this->mconsole = NULL;
 	this->state = GUEST_STOPPED;
@@ -341,22 +373,6 @@ static bool mount_unionfs(private_guest_t *this)
 }
 
 /**
- * open logfile for boot messages
- */
-static int open_bootlog(private_guest_t *this)
-{
-	int fd;
-	
-	fd = openat(this->dir, LOG_FILE, O_WRONLY | O_CREAT, PERM);
-	if (fd == -1)
-	{
-		DBG1("opening bootlog failed, using stdout");
-		return 1;
-	}
-	return fd;
-}
-
-/**
  * load memory configuration from file
  */
 int loadmem(private_guest_t *this)
@@ -402,12 +418,8 @@ bool savemem(private_guest_t *this, int mem)
  */
 static void destroy(private_guest_t *this)
 {
-	stop(this);
+	stop(this, NULL);
 	umount_unionfs(this);
-	if (this->bootlog > 1)
-	{
-		close(this->bootlog);
-	}
 	if (this->dir > 0)
 	{
 		close(this->dir);
@@ -430,10 +442,10 @@ static private_guest_t *guest_create_generic(char *parent, char *name,
 	this->public.get_pid = (pid_t(*)(guest_t*))get_pid;
 	this->public.get_state = (guest_state_t(*)(guest_t*))get_state;
 	this->public.create_iface = (iface_t*(*)(guest_t*,char*))create_iface;
-	this->public.create_iface_iterator = (iterator_t*(*)(guest_t*))create_iface_iterator;
+	this->public.destroy_iface = (void(*)(guest_t*,iface_t*))destroy_iface;
+	this->public.create_iface_enumerator = (enumerator_t*(*)(guest_t*))create_iface_enumerator;
 	this->public.start = (void*)start;
 	this->public.stop = (void*)stop;
-	this->public.get_console = (char*(*)(guest_t*,int))get_console;
 	this->public.load_template = (bool(*)(guest_t*, char *path))load_template;
 	this->public.sigchild = (void(*)(guest_t*))sigchild;
 	this->public.destroy = (void*)destroy;
@@ -458,13 +470,11 @@ static private_guest_t *guest_create_generic(char *parent, char *name,
 		free(this);
 		return NULL;
 	}
-	
 	this->pid = 0;
 	this->state = GUEST_STOPPED;
 	this->mconsole = NULL;
 	this->ifaces = linked_list_create();
 	this->mem = 0;
-	this->bootlog = open_bootlog(this);
 	this->name = strdup(name);
 	this->cowfs = NULL;
 	
diff --git a/src/dumm/guest.h b/src/dumm/guest.h
index 10b37aaa7..79a47fa62 100644
--- a/src/dumm/guest.h
+++ b/src/dumm/guest.h
@@ -17,11 +17,12 @@
 #define GUEST_H
 
 #include <library.h>
-#include <utils/iterator.h>
+#include <utils/enumerator.h>
 
 #include "iface.h"
 
 typedef enum guest_state_t guest_state_t;
+typedef struct guest_t guest_t;
 
 /**
  * @brief State of a guest (started, stopped, ...)
@@ -44,7 +45,26 @@ enum guest_state_t {
  */
 extern enum_name_t *guest_state_names;
 
-typedef struct guest_t guest_t;
+/**
+ * Invoke function which lauches the UML guest.
+ *
+ * Consoles are all set to NULL, you may change them by adding additional UML
+ * options to args before invocation.
+ *
+ * @param data		callback data
+ * @param guest		guest to start
+ * @param args		args to use for guest invocation, args[0] is kernel
+ * @param argc		number of elements in args
+ * @param idle		
+ * @return			PID of child, 0 if failed
+ */
+typedef pid_t (*invoke_function_t)(void *data, guest_t *guest, 
+								   char *args[], int argc);
+
+/**
+ * Idle function to pass to start().
+ */
+typedef void (*idle_function_t)(void);
 
 /**
  * @brief A guest is a UML instance running on the host.
@@ -75,27 +95,21 @@ struct guest_t {
 	/**
 	 * @brief Start the guest.
 	 *
-	 * @return		TRUE if guest successfully started
+	 * @param invoke	UML guest invocation function
+	 * @param data		data to pass back to invoke function
+	 * @param idle		idle function to call while waiting on child
+	 * @return			TRUE if guest successfully started
 	 */
-	bool (*start) (guest_t *this);
+	bool (*start) (guest_t *this, invoke_function_t invoke, void *data,
+				   idle_function_t idle);
 	
 	/**
 	 * @brief Kill the guest.
 	 *
-	 * @return		TRUE if guest was running and killed
+	 * @param idle		idle function to call while waiting to termination
+	 * @return			TRUE if guest was running and killed
 	 */
-	bool (*stop) (guest_t *this);
-	
-	/**
-	 * @brief Get a console pts device.
-	 *
-	 * Every guest has 5 consoles, numbered from 1 to 5. These are associated
-	 * to a unique pts device on the host. 
-	 *
-	 * @param console	console number to get (1-5)
-	 * @return			pts device file name, NULL if failed
-	 */
-	char* (*get_console) (guest_t *this, int console);
+	bool (*stop) (guest_t *this, idle_function_t idle);
 	
 	/**
 	 * @brief Create a new interface in the current scenario.
@@ -106,11 +120,18 @@ struct guest_t {
 	iface_t* (*create_iface)(guest_t *this, char *name);
 	
 	/**
-	 * @brief Create an iterator over all guest interfaces.
+	 * @brief Destroy an interface on guest.
+	 *
+	 * @param iface	interface to destroy
+	 */
+	void (*destroy_iface)(guest_t *this, iface_t *iface);
+	
+	/**
+	 * @brief Create an enumerator over all guest interfaces.
 	 *
-	 * @return		iterator over iface_t's
+	 * @return		enumerator over iface_t's
 	 */
-	iterator_t* (*create_iface_iterator)(guest_t *this);
+	enumerator_t* (*create_iface_enumerator)(guest_t *this);
 	
 	/**
 	 * @brief Set the template COWFS overlay to use.
diff --git a/src/dumm/iface.c b/src/dumm/iface.c
index 3c1bfc470..b78c10bec 100644
--- a/src/dumm/iface.c
+++ b/src/dumm/iface.c
@@ -44,6 +44,42 @@ struct private_iface_t {
 };
 
 /**
+ * bring an interface up or down
+ */
+bool iface_control(char *name, bool up)
+{
+	int s;
+	bool good = FALSE;
+	struct ifreq ifr;
+	
+	memset(&ifr, 0, sizeof(struct ifreq));
+	strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
+	
+	s = socket(AF_INET, SOCK_DGRAM, 0);
+	if (!s)
+	{
+		return FALSE;
+	}
+	if (ioctl(s, SIOCGIFFLAGS, &ifr) == 0)
+	{
+		if (up)
+		{
+			ifr.ifr_flags |= IFF_UP;
+		}
+		else
+		{
+			ifr.ifr_flags &= ~IFF_UP;
+		}
+		if (ioctl(s, SIOCSIFFLAGS, &ifr) == 0)
+		{
+			good = TRUE;
+		}
+	}
+	close(s);
+	return good;
+}
+
+/**
  * Implementation of iface_t.get_guestif.
  */
 static char* get_guestif(private_iface_t *this)
@@ -74,7 +110,11 @@ static bool destroy_tap(private_iface_t *this)
 {
 	struct ifreq ifr;
 	int tap;
-
+	
+	if (!iface_control(this->hostif, FALSE))
+	{
+		DBG1("bringing iface down failed: %m");
+	}
 	memset(&ifr, 0, sizeof(ifr));
 	ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
 	strncpy(ifr.ifr_name, this->hostif, sizeof(ifr.ifr_name) - 1);
@@ -165,6 +205,10 @@ iface_t *iface_create(char *guest, char *guestif, mconsole_t *mconsole)
 		free(this);
 		return NULL;
 	}
+	if (!iface_control(this->hostif, TRUE))
+	{
+		DBG1("bringing iface '%s' up failed: %m", this->hostif);
+	}
 	if (!this->mconsole->add_iface(this->mconsole, this->guestif, this->hostif))
 	{
 		DBG1("creating interface '%s' in guest failed", this->guestif);
diff --git a/src/dumm/iface.h b/src/dumm/iface.h
index 59de99f22..e04fe4ed1 100644
--- a/src/dumm/iface.h
+++ b/src/dumm/iface.h
@@ -17,7 +17,7 @@
 #define IFACE_H
 
 #include <library.h>
-#include <utils/iterator.h>
+#include <utils/enumerator.h>
 
 #define TAP_DEVICE "/dev/net/tun"
 
@@ -53,10 +53,8 @@ struct iface_t {
 	void (*set_bridge)(iface_t *this, bridge_t *bridge);
 	
 	/*
-	bool (*up) (iface_t *this);
-	bool (*down) (iface_t *this);
 	bool (*add_addr) (iface_t *this, host_t *addr);
-	iterator_t* (*create_addr_iterator) (iface_t *this);
+	enumerator_t* (*create_addr_enumerator) (iface_t *this);
 	*/
 	
 	/**
diff --git a/src/dumm/main.c b/src/dumm/main.c
index d6e142e24..d4f2c5176 100644
--- a/src/dumm/main.c
+++ b/src/dumm/main.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007 Martin Willi
+ * Copyright (C) 2008 Martin Willi
  * Hochschule fuer Technik Rapperswil
  *
  * This program is free software; you can redistribute it and/or modify it
@@ -13,539 +13,452 @@
  * for more details.
  */
 
-#define _GNU_SOURCE
+#include "dumm.h"
+
+#include <utils/linked_list.h>
 
-#include <stdio.h>
+#include <sys/types.h>
 #include <unistd.h>
-#include <getopt.h>
-#include <library.h>
-#include <readline/readline.h>
-#include <readline/history.h>
-#include <dlfcn.h>
-#include <dirent.h>
 
-#include "dumm.h"
+#include <glib.h>
+#include <gtk/gtk.h>
+#include <vte/vte.h>
+#include <vte/reaper.h>
 
 /**
- * global set of UMLs guests
+ * notebook page with vte and guest
  */
-dumm_t *dumm;
+typedef struct {
+	gint num;
+	GtkWidget *vte;
+	guest_t *guest;
+} page_t;
 
 /**
- * show usage information (program arguments)
+ * Main window
  */
-static void usage()
-{
-	printf("Usage:\n");
-	printf("  --dir|-d <path>            set working dir to <path>\n");
-	printf("  --help|-h                  show this help\n");
-}
+GtkWidget *window;
 
 /**
- * readline() wrapper
+ * notebook with guests, vtes
  */
-static char* get_line(char *format, ...)
-{
-	char *line = NULL;
-	char *prompt = "";
-	va_list args;
-	
-	va_start(args, format);
-	vasprintf(&prompt, format, args);
-	va_end(args);
-	
-	while (TRUE)
-	{
-		line = readline(prompt);
-		if (line == NULL)
-		{
-			printf("quit\n");
-			dumm->destroy(dumm);
-			clear_history();
-			exit(0);
-		}
-		if (*line == '\0')
-		{
-			free(line);
-			continue;
-		}
-		add_history(line);
-		break;
-	}
-	free(prompt);
-	return line;
-}
+GtkWidget *notebook;
+
+/**
+ * dumm context
+ */
+dumm_t *dumm;
+
+/**
+ * pages in notebook, page_t
+ */
+linked_list_t *pages;
 
 /**
- * get a guest by name
+ * handle guest termination, SIGCHILD
  */
-static guest_t* get_guest(char *name)
+static void child_exited(VteReaper *vtereaper, gint pid, gint status)
 {
-	iterator_t *iterator;
-	guest_t *guest = NULL;
+	enumerator_t *enumerator;
+	page_t *page;
 	
-	iterator = dumm->create_guest_iterator(dumm);
-	while (iterator->iterate(iterator, (void**)&guest))
+	enumerator = pages->create_enumerator(pages);
+	while (enumerator->enumerate(enumerator, (void**)&page))
 	{
-		if (streq(guest->get_name(guest), name))
+		if (page->guest->get_pid(page->guest) == pid)
 		{
+			page->guest->sigchild(page->guest);
+			vte_terminal_feed(VTE_TERMINAL(page->vte),
+							  "\n\r--- guest terminated ---\n\r", -1);
 			break;
 		}
-		guest = NULL;
 	}
-	iterator->destroy(iterator);
-	return guest;
+	enumerator->destroy(enumerator);
 }
 
-/**
- * get a bridge by name
- */
-static bridge_t* get_bridge(char *name)
+static page_t* get_page(int num)
 {
-	iterator_t *iterator;
-	bridge_t *bridge = NULL;
+	enumerator_t *enumerator;
+	page_t *page, *found = NULL;
 	
-	iterator = dumm->create_bridge_iterator(dumm);
-	while (iterator->iterate(iterator, (void**)&bridge))
+	enumerator = pages->create_enumerator(pages);
+	while (enumerator->enumerate(enumerator, (void**)&page))
 	{
-		if (streq(bridge->get_name(bridge), name))
+		if (page->num == num)
 		{
+			found = page;
 			break;
 		}
-		bridge = NULL;
 	}
-	iterator->destroy(iterator);
-	return bridge;
+	enumerator->destroy(enumerator);
+	return found;
 }
 
 /**
- * get an interface by guest name
+ * Guest invocation callback
  */
-static iface_t* get_iface(char *name, char *ifname)
+static pid_t invoke(void *vte, guest_t *guest,
+					char *args[], int argc)
 {
-	iterator_t *guests, *ifaces;
-	guest_t *guest;
-	iface_t *iface;
-	
-	guests = dumm->create_guest_iterator(dumm);
-	while (guests->iterate(guests, (void**)&guest))
-	{
-		if (streq(guest->get_name(guest), name))
-		{
-			iface = NULL;
-			ifaces = guest->create_iface_iterator(guest);
-			while (ifaces->iterate(ifaces, (void**)&iface))
-			{
-				if (streq(iface->get_guestif(iface), ifname))
-				{
-					break;
-				}
-				iface = NULL;
-			}
-			ifaces->destroy(ifaces);
-			if (iface)
-			{
-				break;
-			}
-		}
-	}
-	guests->destroy(guests);
-	return iface;
+	args[argc] = "con0=fd:0,fd:1";
+	return vte_terminal_fork_command(VTE_TERMINAL(vte), args[0], args, NULL,
+									 NULL, FALSE, FALSE, FALSE);
 }
 
-static void guest_addif_menu(guest_t *guest)
+void idle(void)
 {
-	char *name;
-	
-	name = get_line("interface name: ");
+	gtk_main_iteration_do(FALSE);
+	sched_yield();
+}
+
+static void start_guest()
+{
+	page_t *page;
 	
-	if (!guest->create_iface(guest, name))
+	page = get_page(gtk_notebook_get_current_page(GTK_NOTEBOOK(notebook)));
+	if (page && page->guest->get_state(page->guest) == GUEST_STOPPED)
 	{
-		printf("creating interface failed\n");
+		vte_terminal_feed(VTE_TERMINAL(page->vte),
+						  "--- starting guest ---\n\r", -1);
+		page->guest->start(page->guest, invoke, VTE_TERMINAL(page->vte), idle);
 	}
-	free(name);
 }
 
-static void guest_delif_menu(guest_t *guest)
+static void start_all_guests()
 {
-	char *name;
-	iface_t *iface;
-	iterator_t *iterator;
-	bool found = FALSE;
-	
-	name = get_line("interface name: ");
+	enumerator_t *enumerator;
+	page_t *page;
 	
-	iterator = guest->create_iface_iterator(guest);
-	while (iterator->iterate(iterator, (void**)&iface))
+	enumerator = pages->create_enumerator(pages);
+	while (enumerator->enumerate(enumerator, (void**)&page))
 	{
-		if (streq(iface->get_guestif(iface), name))
+		if (page->guest->get_state(page->guest) == GUEST_STOPPED)
 		{
-			iterator->remove(iterator);
-			iface->destroy(iface);
-			found = TRUE;
-			break;
+			vte_terminal_feed(VTE_TERMINAL(page->vte),
+						  "--- starting all guests ---\n\r", -1);
+			page->guest->start(page->guest, invoke,
+							   VTE_TERMINAL(page->vte), idle);
 		}
 	}
-	iterator->destroy(iterator);
-	
-	if (!found)
-	{
-		printf("interface '%s' not found\n");
-	}
-	free(name);
+	enumerator->destroy(enumerator);
 }
 
-static void guest_console(guest_t *guest)
+static void stop_guest()
 {
-	int con;
+	page_t *page;
 	
-	for (con = 1; con <= 6; con++)
+	page = get_page(gtk_notebook_get_current_page(GTK_NOTEBOOK(notebook)));
+	if (page && page->guest->get_state(page->guest) == GUEST_RUNNING)
 	{
-		char *pts = guest->get_console(guest, con);
-		if (pts)
-		{
-			printf("%d: %s\n", con, pts);
-			free(pts);
-		}
+		page->guest->stop(page->guest, idle);
 	}
 }
 
-static void guest_menu(guest_t *guest)
+/**
+ * quit signal handler
+ */
+static void quit()
 {
-	while (TRUE)
+	enumerator_t *enumerator;
+	page_t *page;
+
+	dumm->load_template(dumm, NULL);
+	
+	enumerator = pages->create_enumerator(pages);
+	while (enumerator->enumerate(enumerator, &page))
 	{
-		char *line = get_line("guest/%s# ", guest->get_name(guest));
-		
-		if (streq(line, "back"))
-		{
-			free(line);
-			break;
+		if (page->guest->get_state(page->guest) != GUEST_STOPPED)
+		{			
+			page->guest->stop(page->guest, idle);
 		}
-		else if (streq(line, "start"))
-		{
-			if (guest->start(guest))
-			{
-				printf("guest '%s' is running\n", guest->get_name(guest));
-			}
-			else
-			{
-				printf("failed to start guest '%s'\n", guest->get_name(guest));
-			}
-		}
-		else if (streq(line, "stop"))
-		{
-			printf("stopping guest '%s'...\n", guest->get_name(guest));
-			guest->stop(guest);
-			printf("guest '%s' is down\n", guest->get_name(guest));
-		}
-		else if (streq(line, "addif"))
-		{
-			guest_addif_menu(guest);
-		}
-		else if (streq(line, "delif"))
-		{
-			guest_delif_menu(guest);
-		}
-		else if (streq(line, "console"))
-		{
-			guest_console(guest);
-		}
-		else
-		{
-			printf("back|start|stop|addif|delif|console\n");
-		}
-		free(line);
 	}
+	enumerator->destroy(enumerator);
+    gtk_main_quit();
 }
 
-static void guest_create_menu()
+static void error_dialog(char *msg)
 {
-	char *name, *kernel, *master, *mem;
-	guest_t *guest;
-	
-	name = get_line("guest name: ");
-	kernel = get_line("kernel image: ");
-	master = get_line("master filesystem: ");
-	mem = get_line("amount of memory in MB: ");
-	
-	guest = dumm->create_guest(dumm, name, kernel, master, atoi(mem));
-	if (guest)
-	{
-		printf("guest '%s' created\n", guest->get_name(guest));
-		guest_menu(guest);
-	}
-	else
-	{
-		printf("failed to create guest '%s'\n", name);
-	}
-	free(name);
-	free(kernel);
-	free(master);
-	free(mem);
+	GtkWidget *error;
+
+	error = gtk_message_dialog_new(GTK_WINDOW(window),
+							  GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_ERROR,
+							  GTK_BUTTONS_CLOSE, msg);
+	gtk_dialog_run(GTK_DIALOG(error));
+	gtk_widget_destroy(error);
 }
 
-static void guest_list_menu()
+static void create_switch()
 {
+	GtkWidget *dialog, *table, *label, *name;
+	bridge_t *bridge;
+	
+	dialog = gtk_dialog_new_with_buttons("Create new switch", GTK_WINDOW(window),
+							GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
+							GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
+							GTK_STOCK_NEW, GTK_RESPONSE_ACCEPT, NULL);
+	
+	table = gtk_table_new(1, 2, TRUE);
+	gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), table);
+	
+	label = gtk_label_new("Switch name");
+	gtk_table_attach(GTK_TABLE(table), label,  0, 1, 0, 1, 0, 0, 0, 0);
+	gtk_widget_show(label);
+	
+	name = gtk_entry_new();
+	gtk_table_attach(GTK_TABLE(table), name, 1, 2, 0, 1,
+					 GTK_FILL | GTK_EXPAND | GTK_SHRINK, 0, 0, 0);
+	gtk_widget_show(name);
+	
+	gtk_widget_show(table);
+	
 	while (TRUE)
 	{
-		iterator_t *iterator;
-		guest_t *guest;
-		char *line = get_line("guest# ");
-		
-		if (streq(line, "back"))
-		{
-			free(line);
-			break;
-		}
-		else if (streq(line, "list"))
-		{
-			iterator = dumm->create_guest_iterator(dumm);
-			while (iterator->iterate(iterator, (void**)&guest))
-			{
-				printf("%s\n", guest->get_name(guest));
-			}
-			iterator->destroy(iterator);
-		}
-		else if (streq(line, "create"))
-		{
-			guest_create_menu();
-		}
-		else
+		switch (gtk_dialog_run(GTK_DIALOG(dialog)))
 		{
-			guest = get_guest(line);
-			if (guest)
-			{
-				guest_menu(guest);
-			}
-			else
-			{
-				printf("back|list|create|<guest>\n");
+			case GTK_RESPONSE_ACCEPT:
+			{			
+				if (streq(gtk_entry_get_text(GTK_ENTRY(name)), ""))
+				{
+					continue;
+				}
+				bridge = dumm->create_bridge(dumm,
+									(char*)gtk_entry_get_text(GTK_ENTRY(name)));
+				if (!bridge)
+				{
+					error_dialog("creating bridge failed!");
+					continue;
+				}
+				break;
 			}
+			default:
+				break;
 		}
-		free(line);
+		break;
 	}
+	gtk_widget_destroy(dialog);
 }
 
-static void bridge_addif_menu(bridge_t *bridge)
+static void delete_switch()
 {
-	char *name, *ifname;
-	iface_t *iface;
-	
-	name = get_line("guest name: ");
-	ifname = get_line("interface name: ");
-	
-	iface = get_iface(name, ifname);
-	if (!iface)
-	{
-		printf("guest '%s' has no interface named '%s'\n", name, ifname);
-	}
-	else if (!bridge->connect_iface(bridge, iface))
-	{
-		printf("failed to add interface '%s' to bridge '%s'\n", ifname,
-			   bridge->get_name(bridge));
-	}
-	free(name);
-	free(ifname);
+
 }
 
-static void bridge_delif_menu(bridge_t *bridge)
+static void connect_guest()
 {
-	char *name, *ifname;
+	page_t *page;
+	GtkWidget *dialog, *table, *label, *name, *box;
+	bridge_t *bridge;
 	iface_t *iface;
+	enumerator_t *enumerator;
 	
-	name = get_line("guest name: ");
-	ifname = get_line("interface name: ");
-	
-	iface = get_iface(name, ifname);
-	if (!iface)
+	page = get_page(gtk_notebook_get_current_page(GTK_NOTEBOOK(notebook)));
+	if (!page || page->guest->get_state(page->guest) != GUEST_RUNNING)
 	{
-		printf("guest '%s' has no interface named '%s'\n", name, ifname);
+		return;
 	}
-	else if (!bridge->disconnect_iface(bridge, iface))
+	
+	dialog = gtk_dialog_new_with_buttons("Connect guest", GTK_WINDOW(window),
+							GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
+							GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
+							GTK_STOCK_NEW, GTK_RESPONSE_ACCEPT, NULL);
+	
+	table = gtk_table_new(2, 2, TRUE);
+	gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), table);
+	
+	label = gtk_label_new("Interface name");
+	gtk_table_attach(GTK_TABLE(table), label,  0, 1, 0, 1, 0, 0, 0, 0);
+	gtk_widget_show(label);
+	
+	name = gtk_entry_new();
+	gtk_table_attach(GTK_TABLE(table), name, 1, 2, 0, 1,
+					 GTK_FILL | GTK_EXPAND | GTK_SHRINK, 0, 0, 0);
+	gtk_widget_show(name);
+	
+	label = gtk_label_new("Connected switch");
+	gtk_table_attach(GTK_TABLE(table), label,  0, 1, 1, 2, 0, 0, 0, 0);
+	gtk_widget_show(label);
+	
+	box = gtk_combo_box_new_text();
+	gtk_table_attach(GTK_TABLE(table), box, 1, 2, 1, 2,
+					 GTK_FILL | GTK_EXPAND | GTK_SHRINK, 0, 0, 0);
+	enumerator = dumm->create_bridge_enumerator(dumm);
+	while (enumerator->enumerate(enumerator, &bridge))
 	{
-		printf("failed to remove interface '%s' from bridge '%s'\n", ifname,
-			   bridge->get_name(bridge));
+		gtk_combo_box_append_text(GTK_COMBO_BOX(box), bridge->get_name(bridge));
 	}
-	free(name);
-	free(ifname);
-}
-
-static void bridge_menu(bridge_t *bridge)
-{
+	enumerator->destroy(enumerator);
+	gtk_widget_show(box);
+	
+	gtk_widget_show(table);
+	
 	while (TRUE)
 	{
-		char *line = get_line("bridge/%s# ", bridge->get_name(bridge));
-		
-		if (streq(line, "back"))
-		{
-			free(line);
-			break;
-		}
-		else if (streq(line, "list"))
+		switch (gtk_dialog_run(GTK_DIALOG(dialog)))
 		{
-			iterator_t *iterator;
-			iface_t *iface;
-
-			iterator = bridge->create_iface_iterator(bridge);
-			while (iterator->iterate(iterator, (void**)&iface))
-			{
-				printf("%s (%s)\n", iface->get_guestif(iface), iface->get_hostif(iface));
+			case GTK_RESPONSE_ACCEPT:
+			{			
+				if (streq(gtk_entry_get_text(GTK_ENTRY(name)), ""))
+				{
+					continue;
+				}
+				
+				iface = page->guest->create_iface(page->guest,
+									(char*)gtk_entry_get_text(GTK_ENTRY(name)));
+				if (!iface)
+				{
+					error_dialog("creating interface failed!");
+					continue;
+				}
+				enumerator = dumm->create_bridge_enumerator(dumm);
+				while (enumerator->enumerate(enumerator, &bridge))
+				{
+					if (!bridge->connect_iface(bridge, iface))
+					{
+						error_dialog("connecting interface failed!");
+					}
+					break;
+				}
+				enumerator->destroy(enumerator);
+				break;
 			}
-			iterator->destroy(iterator);
-		}
-		else if (streq(line, "addif"))
-		{
-			bridge_addif_menu(bridge);
-		}
-		else if (streq(line, "delif"))
-		{
-			bridge_delif_menu(bridge);
-		}
-		else
-		{
-			printf("back|list|addif|delif\n");
+			default:
+				break;
 		}
-		free(line);
+		break;
 	}
+	gtk_widget_destroy(dialog);
 }
 
-static void bridge_create_menu()
+static void disconnect_guest()
 {
-	char *name;
-	bridge_t *bridge;
-	
-	name = get_line("bridge name: ");
-	
-	bridge = dumm->create_bridge(dumm, name);
-	if (bridge)
-	{
-		printf("bridge '%s' created\n", bridge->get_name(bridge));
-		bridge_menu(bridge);
-	}
-	else
-	{
-		printf("failed to create bridge '%s'\n", name);
-	}
-	free(name);
+
 }
 
-static void bridge_list_menu()
+static void delete_guest()
 {
-	while (TRUE)
+	page_t *page;
+	
+	page = get_page(gtk_notebook_get_current_page(GTK_NOTEBOOK(notebook)));
+	if (page)
 	{
-		iterator_t *iterator;
-		bridge_t *bridge;
-		char *line = get_line("bridge# ");
-		
-		if (streq(line, "back"))
-		{
-			free(line);
-			break;
-		}
-		else if (streq(line, "list"))
-		{
-			iterator = dumm->create_bridge_iterator(dumm);
-			while (iterator->iterate(iterator, (void**)&bridge))
-			{
-				printf("%s\n", bridge->get_name(bridge));
-			}
-			iterator->destroy(iterator);
-		}
-		else if (streq(line, "create"))
-		{
-			bridge_create_menu();
-		}
-		else
-		{
-			bridge = get_bridge(line);
-			if (bridge)
-			{
-				bridge_menu(bridge);
-			}
-			else
-			{
-				printf("back|list|create|<bridge>\n");
-			}
-		}
-		free(line);
+		page->guest->stop(page->guest, idle);
+		dumm->delete_guest(dumm, page->guest);
+		gtk_notebook_remove_page(GTK_NOTEBOOK(notebook), page->num);
+		pages->remove(pages, page, NULL);
+		g_free(page);
 	}
 }
 
-static void template_menu()
+/**
+ * create a new page for a guest
+ */
+static page_t* create_page(guest_t *guest)
 {
-	char *name;
-	
-	name = get_line("template name (or 'none'): ");
+	GtkWidget *label;
+	page_t *page;
 	
-	dumm->load_template(dumm, streq(name, "none") ? NULL : name);
-	
-	free(name);
+	page = g_new(page_t, 1);
+	page->guest = guest;
+	page->vte = vte_terminal_new();
+	label = gtk_label_new(guest->get_name(guest));
+	page->num = gtk_notebook_append_page(GTK_NOTEBOOK(notebook),
+										 page->vte, label);
+	gtk_widget_show(page->vte);
+	pages->insert_last(pages, page);
+	return page;
 }
 
-typedef bool (*uml_test_t)(dumm_t *dumm);
-
-static void test_menu()
+/**
+ * create a new guest
+ */
+static void create_guest()
 {
-	char *name;
-	void *handle;
-	struct dirent *ent;
-	DIR *dir;
-	uml_test_t test;
+	guest_t *guest;
+	GtkWidget *dialog, *table, *label, *name, *kernel, *master, *memory;
+	
+	dialog = gtk_dialog_new_with_buttons("Create new guest", GTK_WINDOW(window),
+							GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
+							GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
+							GTK_STOCK_NEW, GTK_RESPONSE_ACCEPT, NULL);
+	
+	table = gtk_table_new(4, 2, TRUE);
+	gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), table);
+	
+	label = gtk_label_new("Guest name");
+	gtk_table_attach(GTK_TABLE(table), label,  0, 1, 0, 1, 0, 0, 0, 0);
+	gtk_widget_show(label);
+	
+	label = gtk_label_new("UML kernel");
+	gtk_table_attach(GTK_TABLE(table), label, 0, 1, 1, 2, 0, 0, 0, 0);
+	gtk_widget_show(label);
+	
+	label = gtk_label_new("Master filesystem");
+	gtk_table_attach(GTK_TABLE(table), label, 0, 1, 2, 3, 0, 0, 0, 0);
+	gtk_widget_show(label);
+	
+	label = gtk_label_new("Memory (MB)");
+	gtk_table_attach(GTK_TABLE(table), label, 0, 1, 3, 4, 0, 0, 0, 0);
+	gtk_widget_show(label);
+	
+	name = gtk_entry_new();
+	gtk_table_attach(GTK_TABLE(table), name, 1, 2, 0, 1,
+					 GTK_FILL | GTK_EXPAND | GTK_SHRINK, 0, 0, 0);
+	gtk_widget_show(name);
+	
+	kernel = gtk_file_chooser_button_new("Select UML kernel image",
+										 GTK_FILE_CHOOSER_ACTION_OPEN);
+	gtk_table_attach(GTK_TABLE(table), kernel, 1, 2, 1, 2,
+					 GTK_FILL | GTK_EXPAND | GTK_SHRINK, 0, 0, 0);
+	gtk_widget_show(kernel);
+	
+	master = gtk_file_chooser_button_new("Select master filesystem",
+										 GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER);
+	gtk_table_attach(GTK_TABLE(table), master, 1, 2, 2, 3,
+					 GTK_FILL | GTK_EXPAND | GTK_SHRINK, 0, 0, 0);
+	gtk_widget_show(master);
 	
-	name = get_line("test name: ");
+	memory = gtk_spin_button_new_with_range(1, 4096, 1);
+	gtk_spin_button_set_digits(GTK_SPIN_BUTTON(memory), 0);
+	gtk_table_attach(GTK_TABLE(table), memory, 1, 2, 3, 4,
+					 GTK_FILL | GTK_EXPAND | GTK_SHRINK, 0, 0, 0);
+	gtk_widget_show(memory);
 	
-	dir = opendir("tests");
-	if (dir)
+	gtk_widget_show(table);
+	
+	while (TRUE)
 	{
-		while ((ent = readdir(dir)))
+		switch (gtk_dialog_run(GTK_DIALOG(dialog)))
 		{
-			char buf[PATH_MAX];
-			size_t len;
-			
-			len = strlen(ent->d_name);
-			if (strlen(ent->d_name) < 4 || !streq(ent->d_name + len - 3, ".so"))
+			case GTK_RESPONSE_ACCEPT:
 			{
-				continue;
-			}
+				char *sname, *skernel, *smaster;
+				page_t *page;
+				
+				sname = (char*)gtk_entry_get_text(GTK_ENTRY(name));
+				skernel = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(kernel));
+				smaster = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(master));
 			
-			snprintf(buf, sizeof(buf), "%s/%s", "tests", ent->d_name);
-			handle = dlopen(buf, RTLD_LAZY);
-			if (!handle)
-			{
-				printf("failed to open test %s\n", ent->d_name);
-				continue;
-			}
-			test = dlsym(handle, "test");
-			if (test && dumm->load_template(dumm, ent->d_name))
-			{
-				printf("running test %s: ", ent->d_name);
-				if (test(dumm))
+				if (!sname[0] || !skernel || !smaster)
 				{
-					printf("success\n");
+					continue;
 				}
-				else
+				guest = dumm->create_guest(dumm, sname, skernel, smaster, 
+					   		gtk_spin_button_get_value(GTK_SPIN_BUTTON(memory)));
+				if (!guest)
 				{
-					printf("failed\n");
+					error_dialog("creating guest failed!");
+					continue;
 				}
+				page = create_page(guest);
+				gtk_notebook_set_current_page(GTK_NOTEBOOK(notebook), page->num);
+				break;
 			}
-			else
-			{
-				printf("failed to open test %s\n", ent->d_name);
-			}
-			dlclose(handle);
+			default:
+				break;
 		}
+		break;
 	}
-	free(name);
-}
-
-/**
- * Signal handler 
- */
-void signal_action(int sig, siginfo_t *info, void *ucontext)
-{
-	dumm->destroy(dumm);
-	clear_history();
-	exit(0);
+	gtk_widget_destroy(dialog);
 }
 
 /**
@@ -553,80 +466,156 @@ void signal_action(int sig, siginfo_t *info, void *ucontext)
  */
 int main(int argc, char *argv[])
 {
-	struct sigaction action;
-	char *dir = ".";
+	GtkWidget *menubar, *menu, *menuitem, *vbox;
+	GtkWidget *dummMenu, *guestMenu, *switchMenu;
+	enumerator_t *enumerator;
+	guest_t *guest;
+	
+	library_init(NULL);
+	gtk_init(&argc, &argv);
+	
+	pages = linked_list_create();
+	dumm = dumm_create(NULL);
 
-	while (TRUE)
-	{
-		struct option options[] = {
-			{"dir", 1, 0, 0},
-			{"help", 0, 0, 0},
-			{0, 0, 0, 0}
-		};
-		
-		switch (getopt_long(argc, argv, "d:h", options, NULL)) 
-		{
-			case -1:
-				break;
-			case 'd':
-				dir = optarg;
-				continue;
-			case 'h':
-				usage();
-				return 0;
-			default:
-				usage();
-				return 1;
-		}
-		break;
-	}
+	/* setup window */
+	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+	g_signal_connect(G_OBJECT(window), "destroy", G_CALLBACK(quit), NULL);
+	gtk_window_set_title(GTK_WINDOW (window), "Dumm");
+	gtk_window_set_default_size(GTK_WINDOW (window), 1000, 500);
+	g_signal_connect(G_OBJECT(vte_reaper_get()), "child-exited",
+					 G_CALLBACK(child_exited), NULL);
 	
-	memset(&action, 0, sizeof(action));
-	action.sa_sigaction = signal_action;
-	action.sa_flags = SA_SIGINFO;
-	if (sigaction(SIGINT, &action, NULL) != 0 ||
-		sigaction(SIGQUIT, &action, NULL) != 0 ||
-		sigaction(SIGTERM, &action, NULL) != 0)
-	{
-		printf("signal handler setup failed: %m.\n");
-		return 1;
-	}
+	/* add vbox with menubar, notebook */
+	vbox = gtk_vbox_new(FALSE, 0);
+	gtk_container_add(GTK_CONTAINER(window), vbox);
+	menubar = gtk_menu_bar_new();
+	gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, TRUE, 0);
+	notebook = gtk_notebook_new();
+	g_object_set(G_OBJECT(notebook), "homogeneous", TRUE, NULL);
+	gtk_notebook_set_tab_pos(GTK_NOTEBOOK(notebook), GTK_POS_BOTTOM);
+    gtk_container_add(GTK_CONTAINER(vbox), notebook);
+
+	/* Dumm menu */
+	menu = gtk_menu_new();
+  	dummMenu = gtk_menu_item_new_with_mnemonic("_Dumm");
+	gtk_menu_bar_append(GTK_MENU_BAR(menubar), dummMenu);
+	gtk_widget_show(dummMenu);
+	gtk_menu_item_set_submenu(GTK_MENU_ITEM(dummMenu), menu);
 	
-	dumm = dumm_create(dir);
-	while (TRUE)
+	/* Dumm -> exit */
+	menuitem = gtk_image_menu_item_new_from_stock(GTK_STOCK_QUIT, NULL);
+	g_signal_connect(G_OBJECT(menuitem), "activate",
+					 G_CALLBACK(quit), NULL);
+	gtk_menu_append(GTK_MENU(menu), menuitem);
+	gtk_widget_show(menuitem);
+
+	/* Guest menu */
+	menu = gtk_menu_new();
+  	guestMenu = gtk_menu_item_new_with_mnemonic("_Guest");
+	gtk_menu_bar_append(GTK_MENU_BAR(menubar), guestMenu);
+	gtk_widget_show(guestMenu);
+	gtk_menu_item_set_submenu(GTK_MENU_ITEM(guestMenu), menu);
+	
+	/* Guest -> new */
+	menuitem = gtk_image_menu_item_new_from_stock(GTK_STOCK_NEW, NULL);
+	g_signal_connect(G_OBJECT(menuitem), "activate",
+					 G_CALLBACK(create_guest), NULL);
+	gtk_menu_append(GTK_MENU(menu), menuitem);
+	gtk_widget_show(menuitem);
+	
+	/* Guest -> delete */
+	menuitem = gtk_image_menu_item_new_from_stock(GTK_STOCK_DELETE, NULL);
+	g_signal_connect(G_OBJECT(menuitem), "activate",
+					 G_CALLBACK(delete_guest), NULL);
+	gtk_menu_append(GTK_MENU(menu), menuitem);
+	gtk_widget_show(menuitem);
+	
+	menuitem = gtk_separator_menu_item_new();
+	gtk_menu_append(GTK_MENU(menu), menuitem);
+	gtk_widget_show(menuitem);
+	
+	/* Guest -> start */
+	menuitem = gtk_menu_item_new_with_mnemonic("_Start");
+	g_signal_connect(G_OBJECT(menuitem), "activate",
+					 G_CALLBACK(start_guest), NULL);
+	gtk_menu_append(GTK_MENU(menu), menuitem);
+	gtk_widget_show(menuitem);
+	
+	/* Guest -> startall */
+	menuitem = gtk_menu_item_new_with_mnemonic("Start _all");
+	g_signal_connect(G_OBJECT(menuitem), "activate",
+					 G_CALLBACK(start_all_guests), NULL);
+	gtk_menu_append(GTK_MENU(menu), menuitem);
+	gtk_widget_show(menuitem);
+	
+	/* Guest -> stop */
+	menuitem = gtk_image_menu_item_new_from_stock(GTK_STOCK_STOP, NULL);
+	g_signal_connect(G_OBJECT(menuitem), "activate",
+					 G_CALLBACK(stop_guest), NULL);
+	gtk_menu_append(GTK_MENU(menu), menuitem);
+	gtk_widget_show(menuitem);
+	
+	menuitem = gtk_separator_menu_item_new();
+	gtk_menu_append(GTK_MENU(menu), menuitem);
+	gtk_widget_show(menuitem);
+	
+	/* Guest -> connect */
+	menuitem = gtk_image_menu_item_new_from_stock(GTK_STOCK_CONNECT, NULL);
+	g_signal_connect(G_OBJECT(menuitem), "activate",
+					 G_CALLBACK(connect_guest), NULL);
+	gtk_menu_append(GTK_MENU(menu), menuitem);
+	gtk_widget_show(menuitem);
+	
+	/* Guest -> disconnect */
+	menuitem = gtk_image_menu_item_new_from_stock(GTK_STOCK_DISCONNECT, NULL);
+	g_signal_connect(G_OBJECT(menuitem), "activate",
+					 G_CALLBACK(disconnect_guest), NULL);
+	gtk_menu_append(GTK_MENU(menu), menuitem);
+	gtk_widget_set_sensitive(menuitem, FALSE);
+	gtk_widget_show(menuitem);
+
+	/* Switch menu */
+	menu = gtk_menu_new();
+  	switchMenu = gtk_menu_item_new_with_mnemonic("_Switch");
+	gtk_menu_bar_append(GTK_MENU_BAR(menubar), switchMenu);
+	gtk_widget_show(switchMenu);
+	gtk_menu_item_set_submenu(GTK_MENU_ITEM(switchMenu), menu);
+	
+	/* Switch -> new */
+	menuitem = gtk_image_menu_item_new_from_stock(GTK_STOCK_NEW, NULL);
+	g_signal_connect(G_OBJECT(menuitem), "activate",
+					 G_CALLBACK(create_switch), NULL);
+	gtk_menu_append(GTK_MENU(menu), menuitem);
+	gtk_widget_show(menuitem);
+	
+	/* Switch -> delete */
+	menuitem = gtk_image_menu_item_new_from_stock(GTK_STOCK_DELETE, NULL);
+	g_signal_connect(G_OBJECT(menuitem), "activate",
+					 G_CALLBACK(delete_switch), NULL);
+	gtk_menu_append(GTK_MENU(menu), menuitem);
+	gtk_widget_set_sensitive(menuitem, FALSE);
+	gtk_widget_show(menuitem);
+	
+  	/* show widgets */
+	gtk_widget_show(menubar);
+	gtk_widget_show(notebook);
+	gtk_widget_show(vbox);
+	gtk_widget_show(window);
+	
+	/* fill notebook with guests */
+	enumerator = dumm->create_guest_enumerator(dumm);
+	while (enumerator->enumerate(enumerator, (void**)&guest))
 	{
-		char *line = get_line("# ");
-		
-		if (streq(line, "quit"))
-		{
-			free(line);
-			break;
-		}
-		else if (streq(line, "guest"))
-		{
-			guest_list_menu();
-		}
-		else if (streq(line, "bridge"))
-		{
-			bridge_list_menu();
-		}
-		else if (streq(line, "template"))
-		{
-			template_menu();
-		}
-		else if (streq(line, "test"))
-		{
-			test_menu();
-		}
-		else
-		{
-			printf("quit|guest|bridge|template|test\n");
-		}
-		free(line);
+		create_page(guest);
 	}
-	dumm->load_template(dumm, NULL);
+	enumerator->destroy(enumerator);
+	
+	gtk_main();
+	
 	dumm->destroy(dumm);
-	clear_history();
+	pages->destroy_function(pages, g_free);
+	
+	library_deinit();
 	return 0;
 }
 
diff --git a/src/dumm/mconsole.c b/src/dumm/mconsole.c
index 25cb84621..d9864f676 100644
--- a/src/dumm/mconsole.c
+++ b/src/dumm/mconsole.c
@@ -44,6 +44,8 @@ struct private_mconsole_t {
 	int notify;
 	/** address of uml socket */
 	struct sockaddr_un uml;
+	/** idle function */
+	void (*idle)(void);
 };
 
 /**
@@ -91,7 +93,7 @@ static int request(private_mconsole_t *this, char *command,
 {
 	mconsole_request request;
 	mconsole_reply reply;
-	int len, total = 0;
+	int len, total = 0, flags = 0;
 	
 	memset(&request, 0, sizeof(request));
 	request.magic = MCONSOLE_MAGIC;
@@ -101,19 +103,41 @@ static int request(private_mconsole_t *this, char *command,
 	*buf = '\0';
 	(*size)--;
 
-	if (sendto(this->console, &request, sizeof(request), 0,
-		(struct sockaddr*)&this->uml, sizeof(this->uml)) < 0)
+	if (this->idle)
+	{
+		flags = MSG_DONTWAIT;
+	}
+	do
+	{
+		if (this->idle)
+		{
+			this->idle();
+		}
+		len = sendto(this->console, &request, sizeof(request), flags,
+					 (struct sockaddr*)&this->uml, sizeof(this->uml));
+	}
+	while (len < 0 && (errno == EINTR || errno == EAGAIN));
+	
+	if (len < 0)
 	{
 		snprintf(buf, *size, "sending mconsole command to UML failed: %m");
 		return -1;
 	}
 	do 
 	{
-		len = recv(this->console, &reply, sizeof(reply), 0);
+		len = recv(this->console, &reply, sizeof(reply), flags);
+		if (len < 0 && (errno == EINTR || errno == EAGAIN))
+		{
+			if (this->idle)
+			{
+				this->idle();
+			}
+			continue;
+		}
 		if (len < 0)
 		{
 			snprintf(buf, *size, "receiving from mconsole failed: %m");
-	    	return -1;
+			return -1;
 		}
 		if (len > 0)
 		{
@@ -169,58 +193,39 @@ static bool del_iface(private_mconsole_t *this, char *guest)
 	}
 	return TRUE;
 }
-	
-/**
- * Implementation of mconsole_t.get_console_pts.
- */
-static char* get_console_pts(private_mconsole_t *this, int con)
-{
-	char buf[128];
-	char *pos;
-	int len;
-	
-	len = snprintf(buf, sizeof(buf), "config con%d", con);
-	if (len < 0 || len >= sizeof(buf))
-	{
-		return NULL;
-	}
-	len = sizeof(buf);
-	if (request(this, buf, buf, &len) != 0)
-	{
-		DBG1("getting console pts failed: %.*s", len, buf);
-		return NULL;
-	}
-	pos = memchr(buf, ':', len);
-	if (pos == NULL)
-	{
-		return NULL;
-	}
-	pos++;
-	return strndup(pos, len - (pos - buf));
-}
 
 /**
  * Poll until guest is ready
  */
 static bool wait_bootup(private_mconsole_t *this)
 {
-	char *cmd, buf[128];
+	char buf[128];
 	int len, res;
 	
-	cmd = "config con0";
 	while (TRUE)
 	{
 		len = sizeof(buf);
-		res = request(this, cmd, buf, &len);
+		res = request(this, "config eth9=mcast", buf, &len);
 		if (res < 0)
 		{
 			return FALSE;
 		}
 		if (res == 0)
 		{
+			while (request(this, "remove eth9", buf, &len) != 0)
+			{
+				usleep(50000);
+			}
 			return TRUE;
 		}
-		usleep(50000);
+		if (this->idle)
+		{
+			this->idle();
+		}
+		else
+		{
+			usleep(50000);
+		}
 	}
 }
 
@@ -241,7 +246,7 @@ static bool wait_for_notify(private_mconsole_t *this, char *nsock)
 {
 	struct sockaddr_un addr;
 	mconsole_notify notify;
-	int len;
+	int len, flags = 0;
 
 	this->notify = socket(AF_UNIX, SOCK_DGRAM, 0);
 	if (this->notify < 0)
@@ -258,10 +263,20 @@ static bool wait_for_notify(private_mconsole_t *this, char *nsock)
 		close(this->notify);
 		return FALSE;
 	}
+	if (this->idle)
+	{
+		flags = MSG_DONTWAIT;
+	}
 	do
 	{
-		len = recvfrom(this->notify, &notify, sizeof(notify), 0, NULL, 0);
-	} while (len < 0 && errno == EINTR);
+		if (this->idle)
+		{
+			this->idle();
+		}
+		len = recvfrom(this->notify, &notify, sizeof(notify), flags, NULL, 0);
+	}
+	while (len < 0 && (errno == EINTR || errno == EAGAIN));
+	
 	if (len < 0 || len >= sizeof(notify))
 	{
 		DBG1("reading from mconsole notify socket failed: %m");
@@ -314,15 +329,16 @@ static bool setup_console(private_mconsole_t *this)
 /**
  * create the mconsole instance
  */
-mconsole_t *mconsole_create(char *notify)
+mconsole_t *mconsole_create(char *notify, void(*idle)(void))
 {
 	private_mconsole_t *this = malloc_thing(private_mconsole_t);
 	
 	this->public.add_iface = (bool(*)(mconsole_t*, char *guest, char *host))add_iface;
 	this->public.del_iface = (bool(*)(mconsole_t*, char *guest))del_iface;
-	this->public.get_console_pts = (char*(*)(mconsole_t*, int con))get_console_pts;
 	this->public.destroy = (void*)destroy;
 	
+	this->idle = idle;
+	
 	if (!wait_for_notify(this, notify))
 	{
 		free(this);
diff --git a/src/dumm/mconsole.h b/src/dumm/mconsole.h
index 53aaa1b8b..55ce15dda 100644
--- a/src/dumm/mconsole.h
+++ b/src/dumm/mconsole.h
@@ -43,14 +43,6 @@ struct mconsole_t {
 	bool (*del_iface)(mconsole_t *this, char *guest);
 	
 	/**
-	 * @brief Get the pts device file assigned to a console.
-	 *
-	 * @param con			console number in guest
-	 * @return				allocated device string
-	 */
-	char* (*get_console_pts)(mconsole_t *this, int con);
-	
-	/**
 	 * @brief Destroy the mconsole instance
 	 */
 	void (*destroy) (mconsole_t *this);
@@ -63,9 +55,10 @@ struct mconsole_t {
  * to connect to the mconsole socket supplied in the received notification.
  *
  * @param notify			unix notify socket path
+ * @param idle				idle function to call while waiting for responses
  * @return					mconsole instance, or NULL if failed
  */
-mconsole_t *mconsole_create(char *notify);
+mconsole_t *mconsole_create(char *notify, void(*idle)(void));
 
 #endif /* MCONSOLE_H */
 
diff --git a/src/dumm/testing.c b/src/dumm/testing.c
new file mode 100644
index 000000000..c0d23296b
--- /dev/null
+++ b/src/dumm/testing.c
@@ -0,0 +1,171 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include <stdio.h>
+#include <signal.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include <library.h>
+#include <dumm.h>
+
+/**
+ * number of running guests
+ */
+static int running = 0;
+
+/**
+ * Guest invocation callback
+ */
+static pid_t invoke(void *vte, guest_t *guest,
+					char *args[], int argc)
+{
+	pid_t pid;
+	
+	args[argc] = "con0=xterm";
+	
+	pid = fork();
+	switch (pid)
+	{
+		case 0: /* child */
+			dup2(open("/dev/null", 0), 1);
+			dup2(open("/dev/null", 0), 2);
+			execvp(args[0], args);
+			exit(-1);
+		case -1:
+			fprintf(stderr, "starting guest '%s' failed\n", guest->get_name(guest));
+			return 0;
+		default:
+			printf("started guest '%s', pid: %d\n", guest->get_name(guest), pid);
+			running++;
+			return pid;
+	}
+}
+
+/**
+ * main routine, parses args and reads from console
+ */
+int main(int argc, char *argv[])
+{
+	dumm_t *dumm;
+	enumerator_t *enumerator;
+	guest_t *guest;
+	bridge_t *switch0, *switch1, *switch2;
+	iface_t *iface;
+	sigset_t set;
+	siginfo_t info;
+	
+	library_init(NULL);
+	
+	dumm = dumm_create(NULL);
+	
+	switch0 = dumm->create_bridge(dumm, "switch0");
+	switch1 = dumm->create_bridge(dumm, "switch1");
+	switch2 = dumm->create_bridge(dumm, "switch2");
+	
+	if (switch0 && switch1 && switch2)
+	{
+		enumerator = dumm->create_guest_enumerator(dumm);
+		while (enumerator->enumerate(enumerator, &guest))
+		{
+			if (!guest->start(guest, invoke, NULL, NULL))
+			{
+				continue;
+			}
+			if (streq(guest->get_name(guest), "alice"))
+			{
+				iface = guest->create_iface(guest, "eth0");
+				if (iface)
+				{
+					switch1->connect_iface(switch1, iface);
+				}
+				iface = guest->create_iface(guest, "eth1");
+				if (iface)
+				{
+					switch0->connect_iface(switch0, iface);
+				}
+			}
+			else if (streq(guest->get_name(guest), "moon") ||
+					 streq(guest->get_name(guest), "sun"))
+			{
+				iface = guest->create_iface(guest, "eth0");
+				if (iface)
+				{
+					switch0->connect_iface(switch0, iface);
+				}
+				iface = guest->create_iface(guest, "eth1");
+				if (iface)
+				{
+					switch1->connect_iface(switch1, iface);
+				}
+			}
+			else if (streq(guest->get_name(guest), "bob"))
+			{
+				iface = guest->create_iface(guest, "eth0");
+				if (iface)
+				{
+					switch2->connect_iface(switch2, iface);
+				}
+			}
+			else if (streq(guest->get_name(guest), "venus"))
+			{
+				iface = guest->create_iface(guest, "eth0");
+				if (iface)
+				{
+					switch1->connect_iface(switch1, iface);
+				}
+			}
+			else if (streq(guest->get_name(guest), "carol") ||
+					 streq(guest->get_name(guest), "winnetou") ||
+					 streq(guest->get_name(guest), "dave"))
+			{
+				iface = guest->create_iface(guest, "eth0");
+				if (iface)
+				{
+					switch0->connect_iface(switch0, iface);
+				}
+			}
+		}
+		enumerator->destroy(enumerator);
+	
+		sigemptyset(&set);
+		sigaddset(&set, SIGINT); 
+		sigaddset(&set, SIGHUP); 
+		sigaddset(&set, SIGTERM);
+		sigaddset(&set, SIGCHLD);
+		sigprocmask(SIG_SETMASK, &set, NULL);
+		while (running)
+		{
+			if (sigwaitinfo(&set, &info) == SIGCHLD)
+			{
+				enumerator = dumm->create_guest_enumerator(dumm);
+				while (enumerator->enumerate(enumerator, &guest))
+				{
+					if (guest->get_pid(guest) == info.si_pid)
+					{
+						running--;
+						guest->sigchild(guest);
+						break;
+					}
+				}
+				enumerator->destroy(enumerator);
+			}
+		}
+	}
+	dumm->destroy(dumm);
+	
+	library_deinit();
+	return 0;
+}