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/**
* @file
*
* @brief It tests Internet Protocol Security protocol (ipsec).
*
* It needs a communication partner (see testsuit/ipsec01/README).
*/
/*
* Copyright (c) 2018 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#define TEST_NAME "LIBBSD IPSEC 1"
#define TEST_STATE_USER_INPUT 1
#include <stdio.h>
#include <stdlib.h>
#include <rtems/bsd/modules.h>
#ifdef RTEMS_BSD_MODULE_NETIPSEC
#include <assert.h>
#include <fcntl.h>
#include <string.h>
#include <unistd.h>
#include <machine/rtems-bsd-commands.h>
#include <machine/rtems-bsd-rc-conf.h>
#include <rtems/bsd/bsd.h>
#include <rtems/bsd/test/network-config.h>
#include <rtems/console.h>
#include <rtems/shell.h>
#define IPSEC_LOC_INT "10.10.1.1"
#define IPSEC_LOC_NET "10.10.1.0/24"
#define IPSEC_LOC_EXT "192.168.10.1"
#define IPSEC_REM_INT "172.24.0.1"
#define IPSEC_REM_NET "172.24.0.0/24"
#define IPSEC_REM_EXT "192.168.10.10"
#define RACOON_PSK_FILE "/etc/racoon_psk.txt"
#define RACOON_CONFIG_FILE "/etc/racoon.conf"
#define SETKEY_CONFIG_FILE "/etc/setkey.conf"
#define RC_CONF "/etc/rc.conf"
static const char racoon_psk[] =
IPSEC_REM_EXT " mysecretkey\n";
static const char racoon_config[] =
"path pre_shared_key \"" RACOON_PSK_FILE "\";\n"
"log debug;\n"
"\n"
"padding # options are not to be changed\n"
"{\n"
" maximum_length 20;\n"
" randomize off;\n"
" strict_check off;\n"
" exclusive_tail off;\n"
"}\n"
"\n"
"listen # address [port] that racoon will listen on\n"
"{\n"
" isakmp " IPSEC_LOC_EXT "[500];\n"
"}\n"
"\n"
"remote " IPSEC_REM_EXT " [500]\n"
"{\n"
" exchange_mode main;\n"
" my_identifier address " IPSEC_LOC_EXT ";\n"
" peers_identifier address " IPSEC_REM_EXT ";\n"
" proposal_check obey;\n"
"\n"
" proposal {\n"
" encryption_algorithm 3des;\n"
" hash_algorithm md5;\n"
" authentication_method pre_shared_key;\n"
" lifetime time 3600 sec;\n"
" dh_group 2;\n"
" }\n"
"}\n"
"\n"
"sainfo (address " IPSEC_LOC_NET " any address " IPSEC_REM_NET " any)\n"
"{\n"
" pfs_group 2;\n"
" lifetime time 28800 sec;\n"
" encryption_algorithm 3des;\n"
" authentication_algorithm hmac_md5;\n"
" compression_algorithm deflate;\n"
"}\n";
static const char setkey_config[] =
"flush;\n"
"spdflush;\n"
"spdadd " IPSEC_LOC_NET " " IPSEC_REM_NET " any -P out ipsec esp/tunnel/" IPSEC_LOC_EXT "-" IPSEC_REM_EXT"/use;\n"
"spdadd " IPSEC_REM_NET " " IPSEC_LOC_NET " any -P in ipsec esp/tunnel/" IPSEC_REM_EXT "-" IPSEC_LOC_EXT"/use;\n";
static const char rc_conf[] =
"cloned_interfaces=\"gif0\"\n"
"ifconfig_gif0=\"10.10.1.1 172.24.0.1 tunnel 192.168.10.1 192.168.10.10\"\n"
"ike_enable=\"YES\"\n"
"ike_program=\"racoon\"\n"
"ike_flags=\"-F -f /etc/racoon.conf\"\n"
"ike_priority=\"250\"\n"
"\n"
"ipsec_enable=\"YES\"\n"
"ipsec_file=\"/etc/setkey.conf\"\n"
"\n"
"ifconfig_" NET_CFG_INTERFACE_0 "=\"inet " IPSEC_LOC_EXT " netmask 255.255.255.0\"\n";
static const struct {
const char *name;
const char *content;
} init_files[] = {
{.name = RACOON_PSK_FILE, .content = racoon_psk},
{.name = RACOON_CONFIG_FILE, .content = racoon_config},
{.name = SETKEY_CONFIG_FILE, .content = setkey_config},
{.name = RC_CONF, .content = rc_conf},
};
static void
prepare_files()
{
size_t i;
struct stat sb;
int rv;
int fd;
size_t written;
/* Create /etc if necessary */
rv = mkdir("/etc", S_IRWXU | S_IRWXG | S_IRWXO);
/* ignore errors, check the dir after. */
assert(stat("/etc", &sb) == 0);
assert(S_ISDIR(sb.st_mode));
/* Create files */
for(i = 0; i < (sizeof(init_files)/sizeof(init_files[0])); ++i) {
const char *content;
size_t len;
content = init_files[i].content;
len = strlen(content);
fd = open(init_files[i].name, O_WRONLY | O_CREAT,
S_IRWXU | S_IRWXG | S_IRWXO);
assert(fd != -1);
written = write(fd, content, len);
assert(written == len);
rv = close(fd);
assert(rv == 0);
}
}
static void
test_main(void)
{
int rv;
rtems_status_code sc;
rv = rtems_bsd_run_rc_conf(RC_CONF, 15, true);
assert(rv == 0);
/* Wait for initial racoon messages. */
sleep(2);
puts("--------------------------------------------------");
puts("Everything should be prepared now.");
puts("As soon as you communicate with someone in " IPSEC_REM_NET
" the IPSEC connection should be established.");
puts("--------------------------------------------------");
sc = rtems_shell_init("SHLL", 32 * 1024, 1, CONSOLE_DEVICE_NAME,
false, true, NULL);
assert(sc == RTEMS_SUCCESSFUL);
exit(0);
}
#define DEFAULT_EARLY_INITIALIZATION
static void
early_initialization(void)
{
prepare_files();
}
#include <machine/rtems-bsd-sysinit.h>
#define RTEMS_BSD_CONFIG_IPSEC
/* Software crypto should work on all devices. */
RTEMS_BSD_DEFINE_NEXUS_DEVICE(cryptosoft, 0, 0, NULL);
#define RTEMS_BSD_CONFIG_BSP_CONFIG
#include <rtems/bsd/test/default-init.h>
#define CONFIGURE_SHELL_COMMANDS_INIT
#include <rtems/netcmds-config.h>
#define CONFIGURE_SHELL_USER_COMMANDS \
&rtems_shell_ARP_Command, \
&rtems_shell_HOSTNAME_Command, \
&rtems_shell_PING_Command, \
&rtems_shell_ROUTE_Command, \
&rtems_shell_NETSTAT_Command, \
&rtems_shell_SYSCTL_Command, \
&rtems_shell_IFCONFIG_Command, \
&rtems_shell_VMSTAT_Command
#define CONFIGURE_SHELL_COMMAND_CPUINFO
#define CONFIGURE_SHELL_COMMAND_CPUUSE
#define CONFIGURE_SHELL_COMMAND_PERIODUSE
#define CONFIGURE_SHELL_COMMAND_STACKUSE
#define CONFIGURE_SHELL_COMMAND_PROFREPORT
#define CONFIGURE_SHELL_COMMAND_CP
#define CONFIGURE_SHELL_COMMAND_PWD
#define CONFIGURE_SHELL_COMMAND_LS
#define CONFIGURE_SHELL_COMMAND_LN
#define CONFIGURE_SHELL_COMMAND_LSOF
#define CONFIGURE_SHELL_COMMAND_CHDIR
#define CONFIGURE_SHELL_COMMAND_CD
#define CONFIGURE_SHELL_COMMAND_MKDIR
#define CONFIGURE_SHELL_COMMAND_RMDIR
#define CONFIGURE_SHELL_COMMAND_CAT
#define CONFIGURE_SHELL_COMMAND_MV
#define CONFIGURE_SHELL_COMMAND_RM
#define CONFIGURE_SHELL_COMMAND_MALLOC_INFO
#include <rtems/shellconfig.h>
#else /* RTEMS_BSD_MODULE_NETIPSEC */
static void
test_main(void)
{
puts("IPSec not enabled in the current build set.");
exit(0);
}
#include <rtems/bsd/test/default-init.h>
#endif /* RTEMS_BSD_MODULE_NETIPSEC */
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