implemented classical UML network scenario in dumm (ipsec testing)

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
 dumm_SOURCES = main.c
+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

src/dumm/main.c

@@ -571,6 +571,7 @@ int main(int argc, char *argv[])
 	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 */
@@ -592,6 +593,7 @@ int main(int argc, char *argv[])
 	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 */

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;
+}