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-rw-r--r--Source/stroke/stroke.c304
1 files changed, 304 insertions, 0 deletions
diff --git a/Source/stroke/stroke.c b/Source/stroke/stroke.c
new file mode 100644
index 000000000..5062c26f7
--- /dev/null
+++ b/Source/stroke/stroke.c
@@ -0,0 +1,304 @@
+/* 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 <linux/stddef.h>
+
+#include "stroke.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, STROKE_SOCKET };
+ int sock;
+ char buffer[64];
+ int byte_count;
+
+ 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_cert, char *other_cert,
+ char *my_addr, char *other_addr,
+ char *my_net, char *other_net,
+ u_int my_netmask, u_int other_netmask)
+{
+ 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, name);
+
+ msg->add_conn.me.id = push_string(&msg, my_id);
+ msg->add_conn.me.cert = push_string(&msg, my_cert);
+ 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.other.id = push_string(&msg, other_id);
+ msg->add_conn.other.cert = push_string(&msg, other_cert);
+ 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;
+
+ res = send_stroke_msg(msg);
+ free(msg);
+ return res;
+}
+
+static int initiate_connection(char *name)
+{
+ 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, name);
+ res = send_stroke_msg(msg);
+ free(msg);
+ return res;
+}
+
+static int terminate_connection(char *name)
+{
+ stroke_msg_t *msg = malloc(sizeof(stroke_msg_t));
+ int res;
+
+ msg->length = sizeof(stroke_msg_t);
+ msg->type = STR_TERMINATE;
+ msg->initiate.name = push_string(&msg, name);
+ res = send_stroke_msg(msg);
+ free(msg);
+ return res;
+}
+
+static int show_status()
+{
+ stroke_msg_t *msg = malloc(sizeof(stroke_msg_t));
+ int res;
+
+ msg->length = sizeof(stroke_msg_t);
+ msg->type = STR_STATUS;
+ res = send_stroke_msg(msg);
+ free(msg);
+ return res;
+}
+
+static int set_logtype(char *context, char *type, int enable)
+{
+ stroke_msg_t *msg = malloc(sizeof(stroke_msg_t));
+ int res;
+
+ msg->length = sizeof(stroke_msg_t);
+ msg->type = STR_LOGTYPE;
+ msg->logtype.context = push_string(&msg, context);
+ msg->logtype.type = push_string(&msg, type);
+ msg->logtype.enable = enable;
+ res = send_stroke_msg(msg);
+ free(msg);
+ return res;
+}
+
+static int set_loglevel(char *context, u_int level)
+{
+ stroke_msg_t *msg = malloc(sizeof(stroke_msg_t));
+ int res;
+
+ msg->length = sizeof(stroke_msg_t);
+ msg->type = STR_LOGLEVEL;
+ msg->loglevel.context = push_string(&msg, context);
+ msg->loglevel.level = level;
+ res = send_stroke_msg(msg);
+ free(msg);
+ return res;
+}
+
+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_CERT OTHER_CERT\\\n");
+ printf(" MY_ADDR OTHER_ADDR MY_NET OTHER_NET\\\n");
+ printf(" MY_NETBITS OTHER_NETBITS\n");
+ printf(" where: ID is any IKEv2 ID (currently only IPv4 adresses\n");
+ printf(" CERT is a certificate filename\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(" 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 logtype for a logging context:\n");
+ printf(" stroke logtype CONTEXT TYPE ENABLE\n");
+ printf(" where: CONTEXT is PARSR|GNRAT|IKESA|SAMGR|CHDSA|MESSG|TPOOL|WORKR|SCHED|\n");
+ printf(" SENDR|RECVR|SOCKT|TESTR|DAEMN|CONFG|ENCPL|PAYLD\n");
+ printf(" TYPE is CONTROL|ERROR|AUDIT|RAW|PRIVATE\n");
+ printf(" ENABLE is 0|1\n");
+ printf(" Set loglevel for a logging context:\n");
+ printf(" stroke loglevel CONTEXT LEVEL\n");
+ printf(" where: CONTEXT is PARSR|GNRAT|IKESA|SAMGR|CHDSA|MESSG|TPOOL|WORKR|SCHED|\n");
+ printf(" SENDR|RECVR|SOCKT|TESTR|DAEMN|CONFG|ENCPL|PAYLD\n");
+ printf(" LEVEL is 0|1|2|3\n");
+ printf(" Show connection status:\n");
+ printf(" stroke status\n");
+ exit_error(error);
+}
+
+int main(int argc, char *argv[])
+{
+ int res;
+
+ if (argc < 2)
+ {
+ exit_usage(NULL);
+ }
+
+ if (strcmp(argv[1], "status") == 0 ||
+ strcmp(argv[1], "statusall") == 0)
+ {
+ res = show_status();
+ }
+
+ else if (strcmp(argv[1], "up") == 0)
+ {
+ if (argc < 3)
+ {
+ exit_usage("\"up\" needs a connection name");
+ }
+ res = initiate_connection(argv[2]);
+ }
+ else if (strcmp(argv[1], "down") == 0)
+ {
+ if (argc < 3)
+ {
+ exit_usage("\"down\" needs a connection name");
+ }
+ res = terminate_connection(argv[2]);
+ }
+ else if (strcmp(argv[1], "add") == 0)
+ {
+ if (argc < 13)
+ {
+ exit_usage("\"add\" needs more parameters...");
+ }
+ res = add_connection(argv[2],
+ argv[3], argv[4],
+ argv[5], argv[6],
+ argv[7], argv[8],
+ argv[9], argv[10],
+ atoi(argv[11]), atoi(argv[12]));
+ }
+ else if (strcmp(argv[1], "logtype") == 0)
+ {
+ if (argc < 5)
+ {
+ exit_usage("\"logtype\" needs more parameters...");
+ }
+ res = set_logtype(argv[2], argv[3], atoi(argv[4]));
+ }
+ else if (strcmp(argv[1], "loglevel") == 0)
+ {
+ if (argc < 4)
+ {
+ exit_usage("\"logtype\" needs more parameters...");
+ }
+ res = set_loglevel(argv[2], atoi(argv[3]));
+ }
+ else
+ {
+ exit_usage(NULL);
+ }
+
+ if (res)
+ {
+ exit_error("communication with charon failed!\n");
+ }
+ return 0;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-18 14:58:10 +0000