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-rw-r--r--src/starter/starterstroke.c161
1 files changed, 161 insertions, 0 deletions
diff --git a/src/starter/starterstroke.c b/src/starter/starterstroke.c
new file mode 100644
index 000000000..115741404
--- /dev/null
+++ b/src/starter/starterstroke.c
@@ -0,0 +1,161 @@
+/* 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 "../charon/stroke/stroke.h"
+
+#include "starterstroke.h"
+#include "confread.h"
+#include "files.h"
+
+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.cert = push_string(&msg, conn->left.cert);
+ 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.cert = push_string(&msg, conn->right.cert);
+ 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;
+}