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strongswan/Source/charon/charon-support.patch

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diff -Naur strongswan-2.6.3/Makefile.inc strongswan-2.6.3-charon/Makefile.inc
--- strongswan-2.6.3/Makefile.inc 2006-01-25 18:23:15.000000000 +0100
+++ strongswan-2.6.3-charon/Makefile.inc 2006-03-21 09:26:23.000000000 +0100
@@ -284,6 +284,9 @@
# include PKCS11-based smartcard support
USE_SMARTCARD?=false
+# support IKEv2 via charon
+USE_IKEV2?=true
+
# Default PKCS11 library
# Uncomment this line if using OpenSC <= 0.9.6
PKCS11_DEFAULT_LIB=\"/usr/lib/pkcs11/opensc-pkcs11.so\"
diff -Naur strongswan-2.6.3/programs/Makefile strongswan-2.6.3-charon/programs/Makefile
--- strongswan-2.6.3/programs/Makefile 2006-01-01 16:14:08.000000000 +0100
+++ strongswan-2.6.3-charon/programs/Makefile 2006-03-21 09:26:23.000000000 +0100
@@ -32,6 +32,10 @@
SUBDIRS+=showpolicy
endif
+ifeq ($(USE_IKEV2),true)
+SUBDIRS+=charon
+endif
+
def:
@echo "Please read doc/intro.html or INSTALL before running make"
@false
diff -Naur strongswan-2.6.3/programs/ipsec/ipsec.in strongswan-2.6.3-charon/programs/ipsec/ipsec.in
--- strongswan-2.6.3/programs/ipsec/ipsec.in 2006-03-09 21:09:33.000000000 +0100
+++ strongswan-2.6.3-charon/programs/ipsec/ipsec.in 2006-03-21 09:49:10.000000000 +0100
@@ -123,6 +123,10 @@
down)
shift
$IPSEC_EXECDIR/whack --name "$1" --terminate
+ if test -e $IPSEC_EXECDIR/stroke
+ then
+ $IPSEC_EXECDIR/stroke --name "$1" --terminate
+ fi
exit 0
;;
listalgs|listpubkeys|listcerts|listcacerts|\
@@ -134,11 +138,19 @@
op="$1"
shift
$IPSEC_EXECDIR/whack "$@" "--$op"
+ if test -e $IPSEC_EXECDIR/stroke
+ then
+ $IPSEC_EXECDIR/stroke "$@" "--$op"
+ fi
exit 0
;;
ready)
shift
$IPSEC_EXECDIR/whack --listen
+ if test -e $IPSEC_EXECDIR/stroke
+ then
+ $IPSEC_EXECDIR/stroke --listen
+ fi
exit 0
;;
reload)
@@ -180,8 +192,16 @@
if test $# -eq 0
then
$IPSEC_EXECDIR/whack "--$op"
+ if test -e $IPSEC_EXECDIR/stroke
+ then
+ $IPSEC_EXECDIR/stroke "--$op"
+ fi
else
$IPSEC_EXECDIR/whack --name "$1" "--$op"
+ if test -e $IPSEC_EXECDIR/stroke
+ then
+ $IPSEC_EXECDIR/stroke --name "$1" "--$op"
+ fi
fi
exit 0
;;
diff -Naur strongswan-2.6.3/programs/pluto/Makefile strongswan-2.6.3-charon/programs/pluto/Makefile
--- strongswan-2.6.3/programs/pluto/Makefile 2006-01-25 18:22:19.000000000 +0100
+++ strongswan-2.6.3-charon/programs/pluto/Makefile 2006-03-21 10:00:41.000000000 +0100
@@ -170,6 +170,11 @@
LIBSPLUTO+= -ldl
endif
+# enable IKEv2 support
+ifeq ($(USE_IKEV2),true)
+ DEFINES+= -DIKEV2
+endif
+
# This compile option activates the leak detective
ifeq ($(USE_LEAK_DETECTIVE),true)
DEFINES+= -DLEAK_DETECTIVE
diff -Naur strongswan-2.6.3/programs/pluto/demux.c strongswan-2.6.3-charon/programs/pluto/demux.c
--- strongswan-2.6.3/programs/pluto/demux.c 2005-02-18 22:08:59.000000000 +0100
+++ strongswan-2.6.3-charon/programs/pluto/demux.c 2006-03-21 09:26:24.000000000 +0100
@@ -1229,6 +1229,15 @@
if (md->packet_pbs.roof - md->packet_pbs.cur >= (ptrdiff_t)isakmp_hdr_desc.size)
{
struct isakmp_hdr *hdr = (struct isakmp_hdr *)md->packet_pbs.cur;
+#ifdef IKEV2
+ if ((hdr->isa_version >> ISA_MAJ_SHIFT) == 0x2 &&
+ (hdr->isa_version & ISA_MIN_MASK) == 0x0)
+ {
+ /* IKEv2 is handled from charon, ignore */
+ return;
+ }
+ else
+#endif /* IKEV2 */
if ((hdr->isa_version >> ISA_MAJ_SHIFT) != ISAKMP_MAJOR_VERSION)
{
SEND_NOTIFICATION(INVALID_MAJOR_VERSION);
diff -Naur strongswan-2.6.3/programs/starter/Makefile strongswan-2.6.3-charon/programs/starter/Makefile
--- strongswan-2.6.3/programs/starter/Makefile 2006-02-17 20:34:02.000000000 +0100
+++ strongswan-2.6.3-charon/programs/starter/Makefile 2006-03-21 09:26:24.000000000 +0100
@@ -34,6 +34,11 @@
DEFINES+= -DLEAK_DETECTIVE
endif
+# Enable charon support
+ifeq ($(USE_IKEV2),true)
+ DEFINES+= -DIKEV2
+endif
+
INCLUDES=-I${FREESWANDIR}/linux/include
CFLAGS=$(DEFINES) $(INCLUDES) -Wall
CFLAGS+=-DIPSEC_EXECDIR=\"${FINALLIBEXECDIR}\" -DIPSEC_CONFDDIR=\"${FINALCONFDDIR}\"
@@ -46,6 +51,11 @@
starterwhack.o klips.o netkey.o interfaces.o exec.o cmp.o confread.o \
loglite.o ${PLUTO_OBJS}
+# Build charon-only objs
+ifeq ($(USE_IKEV2),true)
+ OBJS+= invokecharon.o starterstroke.o
+endif
+
DISTSRC=$(OBJS:.o=.c)
DISTSRC+=cmp.h confread.h confwrite.h exec.h files.h interfaces.h klips.h netkey.h
DISTSRC+=parser.h args.h invokepluto.h starterwhack.h keywords.h keywords.txt
diff -Naur strongswan-2.6.3/programs/starter/args.c strongswan-2.6.3-charon/programs/starter/args.c
--- strongswan-2.6.3/programs/starter/args.c 2006-03-10 21:37:10.000000000 +0100
+++ strongswan-2.6.3-charon/programs/starter/args.c 2006-03-21 09:26:24.000000000 +0100
@@ -86,6 +86,10 @@
static const char *LST_keyexchange[] = {
"ike",
+#ifdef IKEV2
+ "ikev1",
+ "ikev2",
+#endif /* IKEV2 */
NULL
};
diff -Naur strongswan-2.6.3/programs/starter/files.h strongswan-2.6.3-charon/programs/starter/files.h
--- strongswan-2.6.3/programs/starter/files.h 2006-02-04 19:52:58.000000000 +0100
+++ strongswan-2.6.3-charon/programs/starter/files.h 2006-03-21 09:26:24.000000000 +0100
@@ -37,8 +37,15 @@
#define SECRETS_FILE IPSEC_CONFDIR"/ipsec.secrets"
#define PLUTO_CMD IPSEC_EXECDIR"/pluto"
-#define CTL_FILE DEFAULT_CTLBASE CTL_SUFFIX
-#define PID_FILE DEFAULT_CTLBASE PID_SUFFIX
+#define PLUTO_CTL_FILE DEFAULT_CTLBASE CTL_SUFFIX
+#define PLUTO_PID_FILE DEFAULT_CTLBASE PID_SUFFIX
+
+#ifdef IKEV2
+#define CHARON_CMD IPSEC_EXECDIR"/charon"
+#define CHARON_BASE "/var/run/charon"
+#define CHARON_CTL_FILE CHARON_BASE CTL_SUFFIX
+#define CHARON_PID_FILE CHARON_BASE PID_SUFFIX
+#endif /* IKEV2 */
#define DYNIP_DIR "/var/run/dynip"
#define INFO_FILE "/var/run/ipsec.info"
diff -Naur strongswan-2.6.3/programs/starter/invokecharon.c strongswan-2.6.3-charon/programs/starter/invokecharon.c
--- strongswan-2.6.3/programs/starter/invokecharon.c 1970-01-01 01:00:00.000000000 +0100
+++ strongswan-2.6.3-charon/programs/starter/invokecharon.c 2006-03-21 09:26:24.000000000 +0100
@@ -0,0 +1,168 @@
+/* strongSwan charon launcher
+ * Copyright (C) 2001-2002 Mathieu Lafon - Arkoon Network Security
+ * Copyright (C) 2006 Martin Willi - Hochschule fuer Technik Rapperswil
+ *
+ * Ported from invokepluto.c to fit charons needs.
+ *
+ * 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.
+ *
+ * RCSID $Id: invokecharon.c $
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <signal.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include <freeswan.h>
+
+#include "../pluto/constants.h"
+#include "../pluto/defs.h"
+#include "../pluto/log.h"
+
+#include "confread.h"
+#include "invokecharon.h"
+#include "files.h"
+
+static int _charon_pid = 0;
+static int _stop_requested;
+
+pid_t
+starter_charon_pid(void)
+{
+ return _charon_pid;
+}
+
+void
+starter_charon_sigchild(pid_t pid)
+{
+ if (pid == _charon_pid)
+ {
+ _charon_pid = 0;
+ if (!_stop_requested)
+ {
+ plog("charon has died -- restart scheduled (%dsec)"
+ , CHARON_RESTART_DELAY);
+ alarm(CHARON_RESTART_DELAY); // restart in 5 sec
+ }
+ unlink(CHARON_PID_FILE);
+ }
+}
+
+int
+starter_stop_charon (void)
+{
+ pid_t pid;
+ int i;
+
+ pid = _charon_pid;
+ if (pid)
+ {
+ _stop_requested = 1;
+
+ /* be more and more aggressive */
+ for (i = 0; i < 20 && (pid = _charon_pid) != 0; i++)
+ {
+ if (i == 0)
+ kill(pid, SIGINT);
+ else if (i < 10)
+ kill(pid, SIGTERM);
+ else
+ kill(pid, SIGKILL);
+ usleep(20000);
+ }
+ if (_charon_pid == 0)
+ return 0;
+ plog("starter_stop_charon(): can't stop charon !!!");
+ return -1;
+ }
+ else
+ {
+ plog("stater_stop_charon(): charon is not started...");
+ }
+ return -1;
+}
+
+
+int
+starter_start_charon (starter_config_t *cfg, bool debug)
+{
+ int pid, i;
+ struct stat stb;
+ char *arg[] = {
+ CHARON_CMD, NULL
+ };
+
+ if (_charon_pid)
+ {
+ plog("starter_start_charon(): charon already started...");
+ return -1;
+ }
+ else
+ {
+ unlink(CHARON_CTL_FILE);
+ _stop_requested = 0;
+
+ pid = fork();
+ switch (pid)
+ {
+ case -1:
+ plog("can't fork(): %s", strerror(errno));
+ return -1;
+ case 0:
+ /* child */
+ setsid();
+ sigprocmask(SIG_SETMASK, 0, NULL);
+ execv(arg[0], arg);
+ plog("can't execv(%s,...): %s", arg[0], strerror(errno));
+ exit(1);
+ default:
+ /* father */
+ _charon_pid = pid;
+ for (i = 0; i < 50 && _charon_pid; i++)
+ {
+ /* wait for charon */
+ usleep(20000);
+ if (stat(CHARON_PID_FILE, &stb) == 0)
+ {
+ DBG(DBG_CONTROL,
+ DBG_log("charon (%d) started", _charon_pid)
+ )
+ return 0;
+ }
+ }
+ if (_charon_pid)
+ {
+ /* If charon is started but with no ctl file, stop it */
+ plog("charon too long to start... - kill kill");
+ for (i = 0; i < 20 && (pid = _charon_pid) != 0; i++)
+ {
+ if (i == 0)
+ kill(pid, SIGINT);
+ else if (i < 10)
+ kill(pid, SIGTERM);
+ else
+ kill(pid, SIGKILL);
+ usleep(20000);
+ }
+ }
+ else
+ {
+ plog("charon refused to be started");
+ }
+ return -1;
+ }
+ }
+ return -1;
+}
diff -Naur strongswan-2.6.3/programs/starter/invokecharon.h strongswan-2.6.3-charon/programs/starter/invokecharon.h
--- strongswan-2.6.3/programs/starter/invokecharon.h 1970-01-01 01:00:00.000000000 +0100
+++ strongswan-2.6.3-charon/programs/starter/invokecharon.h 2006-03-21 09:26:24.000000000 +0100
@@ -0,0 +1,31 @@
+/* strongSwan charon launcher
+ * Copyright (C) 2001-2002 Mathieu Lafon - Arkoon Network Security
+ * Copyright (C) 2006 Martin Willi - Hochschule fuer Technik Rapperswil
+ *
+ * Ported from invokepluto.h to fit charons needs.
+ *
+ * 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.
+ *
+ * RCSID $Id: invokecharon.h $
+ */
+
+#ifndef _STARTER_CHARON_H_
+#define _STARTER_CHARON_H_
+
+#define CHARON_RESTART_DELAY 5
+
+extern void starter_charon_sigchild (pid_t pid);
+extern pid_t starter_charon_pid (void);
+extern int starter_stop_charon (void);
+extern int starter_start_charon(struct starter_config *cfg, bool debug);
+
+#endif /* _STARTER_CHARON_H_ */
+
diff -Naur strongswan-2.6.3/programs/starter/invokepluto.c strongswan-2.6.3-charon/programs/starter/invokepluto.c
--- strongswan-2.6.3/programs/starter/invokepluto.c 2006-02-17 22:41:50.000000000 +0100
+++ strongswan-2.6.3-charon/programs/starter/invokepluto.c 2006-03-21 09:26:24.000000000 +0100
@@ -54,7 +54,7 @@
, PLUTO_RESTART_DELAY);
alarm(PLUTO_RESTART_DELAY); // restart in 5 sec
}
- unlink(PID_FILE);
+ unlink(PLUTO_PID_FILE);
}
}
@@ -203,7 +203,7 @@
}
else
{
- unlink(CTL_FILE);
+ unlink(PLUTO_CTL_FILE);
_stop_requested = 0;
if (cfg->setup.prepluto)
@@ -252,7 +252,7 @@
{
/* wait for pluto */
usleep(20000);
- if (stat(CTL_FILE, &stb) == 0)
+ if (stat(PLUTO_CTL_FILE, &stb) == 0)
{
DBG(DBG_CONTROL,
DBG_log("pluto (%d) started", _pluto_pid)
diff -Naur strongswan-2.6.3/programs/starter/starter.c strongswan-2.6.3-charon/programs/starter/starter.c
--- strongswan-2.6.3/programs/starter/starter.c 2006-02-15 19:37:46.000000000 +0100
+++ strongswan-2.6.3-charon/programs/starter/starter.c 2006-03-21 09:26:24.000000000 +0100
@@ -37,6 +37,7 @@
#include "files.h"
#include "starterwhack.h"
#include "invokepluto.h"
+#include "invokecharon.h"
#include "klips.h"
#include "netkey.h"
#include "cmp.h"
@@ -47,6 +48,9 @@
#define FLAG_ACTION_RELOAD 0x04
#define FLAG_ACTION_QUIT 0x08
#define FLAG_ACTION_LISTEN 0x10
+#ifdef IKEV2
+#define FLAG_ACTION_START_CHARON 0x20
+#endif /* IKEV2 */
static unsigned int _action_ = 0;
@@ -65,6 +69,10 @@
{
if (pid == starter_pluto_pid())
name = " (Pluto)";
+#ifdef IKEV2
+ if (pid == starter_charon_pid())
+ name = " (Charon)";
+#endif /* IKEV2 */
if (WIFSIGNALED(status))
DBG(DBG_CONTROL,
DBG_log("child %d%s has been killed by sig %d\n",
@@ -87,6 +95,10 @@
if (pid == starter_pluto_pid())
starter_pluto_sigchild(pid);
+#ifdef IKEV2
+ if (pid == starter_charon_pid())
+ starter_charon_sigchild(pid);
+#endif /* IKEV2 */
}
}
break;
@@ -97,6 +109,9 @@
case SIGALRM:
_action_ |= FLAG_ACTION_START_PLUTO;
+#ifdef IKEV2
+ _action_ |= FLAG_ACTION_START_CHARON;
+#endif /* IKEV2 */
break;
case SIGHUP:
@@ -193,6 +208,9 @@
signal(SIGQUIT, fsig);
signal(SIGALRM, fsig);
signal(SIGUSR1, fsig);
+
+
+ plog("Starting strongSwan IPsec %s [starter]...", ipsec_version_code());
/* verify that we can start */
if (getuid() != 0)
@@ -201,12 +219,24 @@
exit(1);
}
- if (stat(PID_FILE, &stb) == 0)
+ if (stat(PLUTO_PID_FILE, &stb) == 0)
{
- plog("pluto is already running (%s exists) -- aborting", PID_FILE);
- exit(1);
+ plog("pluto is already running (%s exists) -- skipping pluto start", PLUTO_PID_FILE);
}
-
+ else
+ {
+ _action_ |= FLAG_ACTION_START_PLUTO;
+ }
+#ifdef IKEV2
+ if (stat(CHARON_PID_FILE, &stb) == 0)
+ {
+ plog("charon is already running (%s exists) -- skipping charon start", CHARON_PID_FILE);
+ }
+ else
+ {
+ _action_ |= FLAG_ACTION_START_CHARON;
+ }
+#endif /* IKEV2 */
if (stat(DEV_RANDOM, &stb) != 0)
{
plog("unable to start strongSwan IPsec -- no %s!", DEV_RANDOM);
@@ -247,7 +277,11 @@
last_reload = time(NULL);
- plog("Starting strongSwan IPsec %s [starter]...", ipsec_version_code());
+ if (stat(MY_PID_FILE, &stb) == 0)
+ {
+ plog("starter is already running (%s exists) -- no fork done", MY_PID_FILE);
+ exit(0);
+ }
/* fork if we're not debugging stuff */
if (!no_fork)
@@ -296,17 +330,19 @@
, &cfg->defaultroute);
}
- _action_ = FLAG_ACTION_START_PLUTO;
-
for (;;)
{
/*
- * Stop pluto (if started) and exit
- */
+ * Stop pluto/charon (if started) and exit
+ */
if (_action_ & FLAG_ACTION_QUIT)
{
if (starter_pluto_pid())
starter_stop_pluto();
+#ifdef IKEV2
+ if (starter_charon_pid())
+ starter_stop_charon();
+#endif IKEV2
if (has_netkey)
starter_netkey_cleanup();
else
@@ -337,6 +373,9 @@
if (conn->state == STATE_ADDED)
{
starter_whack_del_conn(conn);
+#ifdef IKEV2
+ starter_stroke_del_conn(conn);
+#endif /* IKEV2 */
conn->state = STATE_TO_ADD;
}
}
@@ -427,6 +466,9 @@
{
if (conn->state == STATE_ADDED)
starter_whack_del_conn(conn);
+#ifdef IKEV2
+ starter_stroke_del_conn(conn);
+#endif /* IKEV2 */
}
/* Look for new ca sections that are already loaded */
@@ -502,6 +544,27 @@
conn->state = STATE_TO_ADD;
}
}
+
+#ifdef IKEV2
+ /*
+ * Start charon
+ */
+ if (_action_ & FLAG_ACTION_START_CHARON)
+ {
+ if (starter_charon_pid() == 0)
+ {
+ DBG(DBG_CONTROL,
+ DBG_log("Attempting to start charon...")
+ )
+ if (starter_start_charon(cfg, no_fork) != 0)
+ {
+ /* schedule next try */
+ alarm(PLUTO_RESTART_DELAY);
+ }
+ }
+ _action_ &= ~FLAG_ACTION_START_CHARON;
+ }
+#endif /* IKEV2 */
/*
* Tell pluto to reread its interfaces
@@ -536,11 +599,36 @@
conn->id = id++;
}
starter_whack_add_conn(conn);
+#ifdef IKEV2
+ starter_stroke_add_conn(conn);
+#endif /* IKEV2 */
conn->state = STATE_ADDED;
if (conn->startup == STARTUP_START)
- starter_whack_initiate_conn(conn);
+ {
+#ifdef IKEV2
+ if (conn->keyexchange == 2)
+ {
+ starter_stroke_initiate_conn(conn);
+ }
+ else
+#endif /* IKEV2 */
+ {
+ starter_whack_initiate_conn(conn);
+ }
+ }
else if (conn->startup == STARTUP_ROUTE)
- starter_whack_route_conn(conn);
+ {
+#ifdef IKEV2
+ if (conn->keyexchange == 2)
+ {
+ starter_stroke_route_conn(conn);
+ }
+ else
+#endif /* IKEV2 */
+ {
+ starter_whack_route_conn(conn);
+ }
+ }
}
}
}
diff -Naur strongswan-2.6.3/programs/starter/starterstroke.c strongswan-2.6.3-charon/programs/starter/starterstroke.c
--- strongswan-2.6.3/programs/starter/starterstroke.c 1970-01-01 01:00:00.000000000 +0100
+++ strongswan-2.6.3-charon/programs/starter/starterstroke.c 2006-03-21 09:26:24.000000000 +0100
@@ -0,0 +1,193 @@
+/* Stroke for charon is the counterpart to whack from pluto
+ * Copyright (C) 2006 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.
+ *
+ * RCSID $Id: starterstroke.c $
+ */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <linux/stddef.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <freeswan.h>
+
+#include "../pluto/constants.h"
+#include "../pluto/defs.h"
+#include "../pluto/log.h"
+
+#include "starterstroke.h"
+#include "confread.h"
+#include "files.h"
+
+typedef struct stroke_msg_t stroke_msg_t;
+
+struct stroke_msg_t {
+ /* length of this message with all strings */
+ u_int16_t length;
+ /* type of the message */
+ enum {
+ /* initiate a connection */
+ STR_INITIATE,
+ /* install SPD entries for a connection */
+ STR_INSTALL,
+ /* add a connection */
+ STR_ADD_CONN,
+ /* delete a connection */
+ STR_DEL_CONN,
+ /* more to come */
+ } type;
+ union {
+ /* data for STR_INITIATE, STR_INSTALL */
+ struct {
+ char *name;
+ } initiate, install;
+ /* data for STR_ADD_CONN */
+ struct {
+ char *name;
+ struct {
+ char *id;
+ char *address;
+ char *subnet;
+ u_int8_t subnet_mask;
+ } me, other;
+ } add_conn;
+ };
+ u_int8_t buffer[];
+};
+
+static char* push_string(stroke_msg_t **strm, char *string)
+{
+ stroke_msg_t *stroke_msg;
+ size_t string_length;
+
+ if (string == NULL)
+ {
+ return NULL;
+ }
+ stroke_msg = *strm;
+ string_length = strlen(string) + 1;
+ stroke_msg->length += string_length;
+
+ stroke_msg = realloc(stroke_msg, stroke_msg->length);
+ strcpy((char*)stroke_msg + stroke_msg->length - string_length, string);
+
+ *strm = stroke_msg;
+ return (char*)(u_int)stroke_msg->length - string_length;
+}
+
+static int
+send_stroke_msg (stroke_msg_t *msg)
+{
+ struct sockaddr_un ctl_addr = { AF_UNIX, CHARON_CTL_FILE };
+ int sock;
+
+ sock = socket(AF_UNIX, SOCK_STREAM, 0);
+ if (sock < 0)
+ {
+ plog("socket() failed: %s", strerror(errno));
+ return -1;
+ }
+ if (connect(sock, (struct sockaddr *)&ctl_addr,
+ offsetof(struct sockaddr_un, sun_path) + strlen(ctl_addr.sun_path)) < 0)
+ {
+ plog("connect(charon_ctl) failed: %s", strerror(errno));
+ close(sock);
+ return -1;
+ }
+
+ /* send message */
+ if (write(sock, msg, msg->length) != msg->length)
+ {
+ plog("write(charon_ctl) failed: %s", strerror(errno));
+ close(sock);
+ return -1;
+ }
+
+ close(sock);
+ return 0;
+}
+
+static char *
+connection_name(starter_conn_t *conn)
+{
+ /* if connection name is '%auto', create a new name like conn_xxxxx */
+ static char buf[32];
+
+ if (streq(conn->name, "%auto"))
+ {
+ sprintf(buf, "conn_%ld", conn->id);
+ return buf;
+ }
+ return conn->name;
+}
+
+
+int starter_stroke_add_conn(starter_conn_t *conn)
+{
+ stroke_msg_t *msg = malloc(sizeof(stroke_msg_t));
+ int res;
+
+ msg->length = sizeof(stroke_msg_t);
+ msg->type = STR_ADD_CONN;
+
+ msg->add_conn.name = push_string(&msg, connection_name(conn));
+
+ msg->add_conn.me.id = push_string(&msg, conn->left.id);
+ msg->add_conn.me.address = push_string(&msg, inet_ntoa(conn->left.addr.u.v4.sin_addr));
+ msg->add_conn.me.subnet = push_string(&msg, inet_ntoa(conn->left.subnet.addr.u.v4.sin_addr));
+ msg->add_conn.me.subnet_mask = conn->left.subnet.maskbits;
+
+ msg->add_conn.other.id = push_string(&msg, conn->right.id);
+ msg->add_conn.other.address = push_string(&msg, inet_ntoa(conn->right.addr.u.v4.sin_addr));
+ msg->add_conn.other.subnet = push_string(&msg, inet_ntoa(conn->right.subnet.addr.u.v4.sin_addr));
+ msg->add_conn.other.subnet_mask = conn->right.subnet.maskbits;
+
+ res = send_stroke_msg(msg);
+ free(msg);
+ return res;
+}
+
+int starter_stroke_del_conn(starter_conn_t *conn)
+{
+ return 0;
+}
+int starter_stroke_route_conn(starter_conn_t *conn)
+{
+ stroke_msg_t *msg = malloc(sizeof(stroke_msg_t));
+ int res;
+
+ msg->length = sizeof(stroke_msg_t);
+ msg->type = STR_INSTALL;
+ msg->install.name = push_string(&msg, connection_name(conn));
+ res = send_stroke_msg(msg);
+ free(msg);
+ return res;
+}
+
+int starter_stroke_initiate_conn(starter_conn_t *conn)
+{
+ stroke_msg_t *msg = malloc(sizeof(stroke_msg_t));
+ int res;
+
+ msg->length = sizeof(stroke_msg_t);
+ msg->type = STR_INITIATE;
+ msg->initiate.name = push_string(&msg, connection_name(conn));
+ res = send_stroke_msg(msg);
+ free(msg);
+ return res;
+}
diff -Naur strongswan-2.6.3/programs/starter/starterstroke.h strongswan-2.6.3-charon/programs/starter/starterstroke.h
--- strongswan-2.6.3/programs/starter/starterstroke.h 1970-01-01 01:00:00.000000000 +0100
+++ strongswan-2.6.3-charon/programs/starter/starterstroke.h 2006-03-21 09:26:24.000000000 +0100
@@ -0,0 +1,27 @@
+/* Stroke for charon is the counterpart to whack from pluto
+ * Copyright (C) 2006 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.
+ *
+ * RCSID $Id: starterstroke.h $
+ */
+
+#ifndef _STARTER_STROKE_H_
+#define _STARTER_STROKE_H_
+
+#include "confread.h"
+
+extern int starter_stroke_add_conn(starter_conn_t *conn);
+extern int starter_stroke_del_conn(starter_conn_t *conn);
+extern int starter_stroke_route_conn(starter_conn_t *conn);
+extern int starter_stroke_initiate_conn(starter_conn_t *conn);
+
+#endif /* _STARTER_STROKE_H_ */
diff -Naur strongswan-2.6.3/programs/starter/starterwhack.c strongswan-2.6.3-charon/programs/starter/starterwhack.c
--- strongswan-2.6.3/programs/starter/starterwhack.c 2006-02-08 21:56:07.000000000 +0100
+++ strongswan-2.6.3-charon/programs/starter/starterwhack.c 2006-03-21 09:26:24.000000000 +0100
@@ -54,7 +54,7 @@
static int
send_whack_msg (whack_message_t *msg)
{
- struct sockaddr_un ctl_addr = { AF_UNIX, CTL_FILE };
+ struct sockaddr_un ctl_addr = { AF_UNIX, PLUTO_CTL_FILE };
int sock;
ssize_t len;
char *str_next, *str_roof;
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