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This commit is contained in:
Martin Willi
2006-04-05 12:10:50 +00:00
parent 3dbbbf3e16
commit 6862128151
171 changed files with 674 additions and 1355 deletions
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Source/stroke/Makefile.stroke
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# 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.
#
STROKE_DIR= $(MAIN_DIR)stroke/
$(BUILD_DIR)stroke.o : $(STROKE_DIR)stroke.c $(STROKE_DIR)stroke.h
$(CC) $(CFLAGS) -c -o $@ $<
Source/stroke/stroke.c
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/* 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;
}
Source/stroke/stroke.h
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/**
* @file stroke.h
*
* @brief Definition of stroke_msg_t.
*
*/
/*
* 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.
*/
#ifndef STROKE_H_
#define STROKE_H_
#define STROKE_SOCKET "/var/run/charon.ctl"
/**
* @brief A stroke message sent over the unix socket.
*
*/
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,
/* terminate connection */
STR_TERMINATE,
/* show connection status */
STR_STATUS,
/* set a log type to log/not log */
STR_LOGTYPE,
/* set the verbosity of a logging context */
STR_LOGLEVEL,
/* more to come */
} type;
union {
/* data for STR_INITIATE, STR_INSTALL, STR_UP, STR_DOWN */
struct {
char *name;
} initiate, install, terminate;
/* data for STR_ADD_CONN */
struct {
char *name;
struct {
char *id;
char *cert;
char *address;
char *subnet;
u_int8_t subnet_mask;
} me, other;
} add_conn;
struct {
char *context;
char *type;
int enable;
} logtype;
struct {
char *context;
u_int level;
} loglevel;
};
u_int8_t buffer[];
};
#endif /* STROKE_H_ */