1 files changed, 421 insertions, 0 deletions
diff --git a/src/stroke/stroke.c b/src/stroke/stroke.c
new file mode 100644
index 000000000..5d3fd6e77
--- /dev/null
+++ b/src/stroke/stroke.c
@@ -0,0 +1,421 @@
+/* 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.
+ */
+
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <sys/fcntl.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stddef.h>
+
+#include "stroke.h"
+#include "stroke_keywords.h"
+
+struct stroke_token {
+    char *name;
+    stroke_keyword_t kw;
+};
+
+static char* push_string(stroke_msg_t *msg, char *string)
+{
+	unsigned long string_start = msg->length;
+
+	if (string == NULL ||  msg->length + strlen(string) >= sizeof(stroke_msg_t))
+	{
+		return NULL;
+	}
+	else
+	{
+		msg->length += strlen(string) + 1;
+		strcpy((char*)msg + string_start, string);
+		return (char*)string_start;
+	}
+}
+
+static int send_stroke_msg (stroke_msg_t *msg)
+{
+	struct sockaddr_un ctl_addr = { AF_UNIX, STROKE_SOCKET };
+	int sock;
+	char buffer[64];
+	int byte_count;
+	
+	msg->output_verbosity = 1; /* CONTROL */
+	
+	sock = socket(AF_UNIX, SOCK_STREAM, 0);
+	if (sock < 0)
+	{
+		fprintf(stderr, "Opening unix socket %s: %s\n", STROKE_SOCKET, strerror(errno));
+		return -1;
+	}
+	if (connect(sock, (struct sockaddr *)&ctl_addr,
+				offsetof(struct sockaddr_un, sun_path) + strlen(ctl_addr.sun_path)) < 0)
+	{
+		fprintf(stderr, "Connect to socket failed: %s\n", strerror(errno));
+		close(sock);
+		return -1;
+	}
+	
+	/* send message */
+	if (write(sock, msg, msg->length) != msg->length)
+	{
+		fprintf(stderr, "writing to socket failed: %s\n", strerror(errno));
+		close(sock);
+		return -1;
+	}
+	
+	while ((byte_count = read(sock, buffer, sizeof(buffer)-1)) > 0)
+	{
+		buffer[byte_count] = '\0';
+		printf("%s", buffer);
+	}
+	if (byte_count < 0)
+	{
+		fprintf(stderr, "reading from socket failed: %s\n", strerror(errno));
+	}
+	
+	close(sock);
+	return 0;
+}
+
+static int add_connection(char *name,
+						  char *my_id, char *other_id, 
+						  char *my_addr, char *other_addr,
+						  char *my_net, char *other_net,
+						  u_int my_netmask, u_int other_netmask)
+{
+	stroke_msg_t msg;
+	
+	msg.length = offsetof(stroke_msg_t, buffer);
+	msg.type = STR_ADD_CONN;
+	
+	msg.add_conn.name = push_string(&msg, name);
+	msg.add_conn.ikev2 = 1;
+	msg.add_conn.auth_method = 2;
+	msg.add_conn.eap_type = 0;
+	msg.add_conn.mode = 1;
+	
+	msg.add_conn.rekey.reauth = 0;
+	msg.add_conn.rekey.ipsec_lifetime = 0;
+	msg.add_conn.rekey.ike_lifetime = 0;
+	msg.add_conn.rekey.margin = 0;
+	msg.add_conn.rekey.tries = 0;
+	msg.add_conn.rekey.fuzz = 0;
+	
+	msg.add_conn.algorithms.ike = NULL;
+	msg.add_conn.algorithms.esp = NULL;
+	
+	msg.add_conn.dpd.delay = 0;
+	msg.add_conn.dpd.action = 1;
+	
+	msg.add_conn.me.id = push_string(&msg, my_id);
+	msg.add_conn.me.address = push_string(&msg, my_addr);
+	msg.add_conn.me.subnet = push_string(&msg, my_net);
+	msg.add_conn.me.subnet_mask = my_netmask;
+	msg.add_conn.me.sourceip = NULL;
+	msg.add_conn.me.virtual_ip = 0;
+	msg.add_conn.me.cert = NULL;
+	msg.add_conn.me.ca = NULL;
+	msg.add_conn.me.sendcert = 1;
+	msg.add_conn.me.hostaccess = 0;
+	msg.add_conn.me.tohost = 0;
+	msg.add_conn.me.protocol = 0;
+	msg.add_conn.me.port = 0;
+	
+	msg.add_conn.other.id = push_string(&msg, other_id);
+	msg.add_conn.other.address = push_string(&msg, other_addr);
+	msg.add_conn.other.subnet = push_string(&msg, other_net);
+	msg.add_conn.other.subnet_mask = other_netmask;
+	msg.add_conn.other.sourceip = NULL;
+	msg.add_conn.other.virtual_ip = 0;
+	msg.add_conn.other.cert = NULL;
+	msg.add_conn.other.ca = NULL;
+	msg.add_conn.other.sendcert = 1;
+	msg.add_conn.other.hostaccess = 0;
+	msg.add_conn.other.tohost = 0;
+	msg.add_conn.other.protocol = 0;
+	msg.add_conn.other.port = 0;
+	
+	return send_stroke_msg(&msg);
+}
+
+static int del_connection(char *name)
+{
+	stroke_msg_t msg;
+	
+	msg.length = offsetof(stroke_msg_t, buffer);
+	msg.type = STR_DEL_CONN;
+	msg.initiate.name = push_string(&msg, name);
+	return send_stroke_msg(&msg);
+}
+
+static int initiate_connection(char *name)
+{
+	stroke_msg_t msg;
+	
+	msg.length = offsetof(stroke_msg_t, buffer);
+	msg.type = STR_INITIATE;
+	msg.initiate.name = push_string(&msg, name);
+	return send_stroke_msg(&msg);
+}
+
+static int terminate_connection(char *name)
+{
+	stroke_msg_t msg;
+	
+	msg.type = STR_TERMINATE;
+	msg.length = offsetof(stroke_msg_t, buffer);
+	msg.initiate.name = push_string(&msg, name);
+	return send_stroke_msg(&msg);
+}
+
+static int route_connection(char *name)
+{
+	stroke_msg_t msg;
+	
+	msg.type = STR_ROUTE;
+	msg.length = offsetof(stroke_msg_t, buffer);
+	msg.route.name = push_string(&msg, name);
+	return send_stroke_msg(&msg);
+}
+
+static int unroute_connection(char *name)
+{
+	stroke_msg_t msg;
+	
+	msg.type = STR_UNROUTE;
+	msg.length = offsetof(stroke_msg_t, buffer);
+	msg.unroute.name = push_string(&msg, name);
+	return send_stroke_msg(&msg);
+}
+
+static int show_status(stroke_keyword_t kw, char *connection)
+{
+	stroke_msg_t msg;
+	
+	msg.type = (kw == STROKE_STATUS)? STR_STATUS:STR_STATUS_ALL;
+	msg.length = offsetof(stroke_msg_t, buffer);
+	msg.status.name = push_string(&msg, connection);
+	return send_stroke_msg(&msg);
+}
+
+static int list_flags[] = {
+	LIST_CERTS,
+	LIST_CACERTS,
+	LIST_OCSPCERTS,
+	LIST_CAINFOS,
+	LIST_CRLS,
+	LIST_OCSP,
+	LIST_ALL
+};
+
+static int list(stroke_keyword_t kw, int utc)
+{
+	stroke_msg_t msg;
+	
+	msg.type = STR_LIST;
+	msg.length = offsetof(stroke_msg_t, buffer);
+	msg.list.utc = utc;
+	msg.list.flags = list_flags[kw - STROKE_LIST_FIRST];
+	return send_stroke_msg(&msg);
+}
+
+static int reread_flags[] = {
+	REREAD_CACERTS,
+	REREAD_OCSPCERTS,
+	REREAD_CRLS,
+	REREAD_ALL
+};
+
+static int reread(stroke_keyword_t kw)
+{
+	stroke_msg_t msg;
+	
+	msg.type = STR_REREAD;
+	msg.length = offsetof(stroke_msg_t, buffer);
+	msg.reread.flags = reread_flags[kw - STROKE_REREAD_FIRST];
+	return send_stroke_msg(&msg);
+}
+
+static int purge_flags[] = {
+	PURGE_OCSP
+};
+
+static int purge(stroke_keyword_t kw)
+{
+	stroke_msg_t msg;
+	
+	msg.type = STR_PURGE;
+	msg.length = offsetof(stroke_msg_t, buffer);
+	msg.purge.flags = purge_flags[kw - STROKE_PURGE_FIRST];
+	return send_stroke_msg(&msg);
+}
+
+static int set_loglevel(char *type, u_int level)
+{
+	stroke_msg_t msg;
+	
+	msg.type = STR_LOGLEVEL;
+	msg.length = offsetof(stroke_msg_t, buffer);
+	msg.loglevel.type = push_string(&msg, type);
+	msg.loglevel.level = level;
+	return send_stroke_msg(&msg);
+}
+
+static void exit_error(char *error)
+{
+	if (error)
+	{
+		fprintf(stderr, "%s\n", error);
+	}
+	exit(-1);
+}
+
+static void exit_usage(char *error)
+{
+	printf("Usage:\n");
+	printf("  Add a connection:\n");
+	printf("    stroke add NAME MY_ID OTHER_ID MY_ADDR OTHER_ADDR\\\n");
+	printf("           MY_NET OTHER_NET MY_NETBITS OTHER_NETBITS\n");
+	printf("    where: ID is any IKEv2 ID \n");
+	printf("           ADDR is a IPv4 address\n");
+	printf("           NET is a IPv4 address of the subnet to tunnel\n");
+	printf("           NETBITS is the size of the subnet, as the \"24\" in 192.168.0.0/24\n");
+	printf("  Delete a connection:\n");
+	printf("    stroke delete NAME\n");
+	printf("    where: NAME is a connection name added with \"stroke add\"\n");
+	printf("  Initiate a connection:\n");
+	printf("    stroke up NAME\n");
+	printf("    where: NAME is a connection name added with \"stroke add\"\n");
+	printf("  Terminate a connection:\n");
+	printf("    stroke down NAME\n");
+	printf("    where: NAME is a connection name added with \"stroke add\"\n");
+	printf("  Set loglevel for a logging type:\n");
+	printf("    stroke loglevel TYPE LEVEL\n");
+	printf("    where: TYPE is any|dmn|mgr|ike|chd|job|cfg|knl|net|enc|lib\n");
+	printf("           LEVEL is -1|0|1|2|3|4\n");
+	printf("  Show connection status:\n");
+	printf("    stroke status\n");
+	printf("  Show list of locally loaded certificates and crls:\n");
+	printf("    stroke listcerts|listcacerts|listocspcerts|listcainfos|listcrls|listocsp|listall\n");
+	printf("  Reload ca certificates and crls:\n");
+	printf("    stroke rereadcacerts|rereadcrls|rereadall\n");
+	printf("  Purge ocsp cache entries:\n");
+	printf("    stroke purgeocsp\n");
+	exit_error(error);
+}
+
+int main(int argc, char *argv[])
+{
+	const stroke_token_t *token;
+	int res = 0;
+
+	if (argc < 2)
+	{
+		exit_usage(NULL);
+	}
+	
+	token = in_word_set(argv[1], strlen(argv[1]));
+
+	if (token == NULL)
+	{
+		exit_usage("unknown keyword");
+	}
+
+	switch (token->kw)
+	{
+		case STROKE_ADD:
+			if (argc < 11)
+			{
+				exit_usage("\"add\" needs more parameters...");
+			}
+			res = add_connection(argv[2],
+								 argv[3], argv[4], 
+								 argv[5], argv[6], 
+								 argv[7], argv[8], 
+								 atoi(argv[9]), atoi(argv[10]));
+			break;
+		case STROKE_DELETE:
+		case STROKE_DEL:
+			if (argc < 3)
+			{
+				exit_usage("\"delete\" needs a connection name");
+			}
+			res = del_connection(argv[2]);
+			break;
+		case STROKE_UP:
+			if (argc < 3)
+			{
+				exit_usage("\"up\" needs a connection name");
+			}
+			res = initiate_connection(argv[2]);
+			break;
+		case STROKE_DOWN:
+			if (argc < 3)
+			{
+				exit_usage("\"down\" needs a connection name");
+			}
+			res = terminate_connection(argv[2]);
+			break;
+		case STROKE_ROUTE:
+			if (argc < 3)
+			{
+				exit_usage("\"route\" needs a connection name");
+			}
+			res = route_connection(argv[2]);
+			break;
+		case STROKE_UNROUTE:
+			if (argc < 3)
+			{
+				exit_usage("\"unroute\" needs a connection name");
+			}
+			res = unroute_connection(argv[2]);
+			break;
+		case STROKE_LOGLEVEL:
+			if (argc < 4)
+			{
+				exit_usage("\"logtype\" needs more parameters...");
+			}
+			res = set_loglevel(argv[2], atoi(argv[3])); 
+			break;
+		case STROKE_STATUS:
+		case STROKE_STATUSALL:
+			res = show_status(token->kw, argc > 2 ? argv[2] : NULL);
+			break;
+		case STROKE_LIST_CERTS:
+		case STROKE_LIST_CACERTS:
+		case STROKE_LIST_OCSPCERTS:
+		case STROKE_LIST_CAINFOS:
+		case STROKE_LIST_CRLS:
+		case STROKE_LIST_OCSP:
+		case STROKE_LIST_ALL:
+			res = list(token->kw, argc > 2 && strcmp(argv[2], "--utc") == 0);
+			break;
+		case STROKE_REREAD_CACERTS:
+		case STROKE_REREAD_CRLS:
+		case STROKE_REREAD_ALL:
+			res = reread(token->kw);
+			break;
+		case STROKE_PURGE_OCSP:
+			res = purge(token->kw);
+			break;
+		default:
+			exit_usage(NULL);
+	}
+	return res;
+}