/**
* atexit() cleanup handler
*/
static void cleanup()
{
file_logger_t *logger;
hook_t *hook;
DESTROY_IF(conftest->test);
lib->credmgr->remove_set(lib->credmgr, &conftest->creds->set);
conftest->creds->destroy(conftest->creds);
DESTROY_IF(conftest->actions);
while (conftest->hooks->remove_last(conftest->hooks,
(void**)&hook) == SUCCESS)
{
charon->bus->remove_listener(charon->bus, &hook->listener);
hook->destroy(hook);
}
conftest->hooks->destroy(conftest->hooks);
if (conftest->config)
{
if (charon->backends)
{
charon->backends->remove_backend(charon->backends,
&conftest->config->backend);
}
conftest->config->destroy(conftest->config);
}
while (conftest->loggers->remove_last(conftest->loggers,
(void**)&logger) == SUCCESS)
{
charon->bus->remove_logger(charon->bus, &logger->logger);
logger->destroy(logger);
}
conftest->loggers->destroy(conftest->loggers);
free(conftest->suite_dir);
free(conftest);
libcharon_deinit();
libhydra_deinit();
library_deinit();
}
/**
* Cleanup
*/
static void cleanup()
{
lib->credmgr->remove_set(lib->credmgr, &creds->set);
creds->destroy(creds);
library_deinit();
}
/**
* Main function, starts the conftest daemon.
*/
int main(int argc, char *argv[])
{
struct sigaction action;
int status = 0;
sigset_t set;
int sig;
char *suite_file = "suite.conf", *test_file = NULL;
file_logger_t *logger;
if (!library_init(NULL))
{
library_deinit();
return SS_RC_LIBSTRONGSWAN_INTEGRITY;
}
if (!libhydra_init("conftest"))
{
libhydra_deinit();
library_deinit();
return SS_RC_INITIALIZATION_FAILED;
}
if (!libcharon_init("conftest"))
{
libcharon_deinit();
libhydra_deinit();
library_deinit();
return SS_RC_INITIALIZATION_FAILED;
}
INIT(conftest,
.creds = mem_cred_create(),
.config = config_create(),
.hooks = linked_list_create(),
.loggers = linked_list_create(),
);
lib->credmgr->add_set(lib->credmgr, &conftest->creds->set);
logger = file_logger_create("stdout");
logger->set_options(logger, NULL, FALSE);
logger->open(logger, FALSE, FALSE);
logger->set_level(logger, DBG_ANY, LEVEL_CTRL);
charon->bus->add_logger(charon->bus, &logger->logger);
conftest->loggers->insert_last(conftest->loggers, logger);
atexit(cleanup);
while (TRUE)
{
struct option long_opts[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'v' },
{ "suite", required_argument, NULL, 's' },
{ "test", required_argument, NULL, 't' },
{ 0,0,0,0 }
};
switch (getopt_long(argc, argv, "", long_opts, NULL))
{
case EOF:
break;
case 'h':
usage(stdout);
return 0;
case 'v':
printf("strongSwan %s conftest\n", VERSION);
return 0;
case 's':
suite_file = optarg;
continue;
case 't':
test_file = optarg;
continue;
default:
usage(stderr);
return 1;
}
break;
}
if (!load_configs(suite_file, test_file))
{
return 1;
}
load_loggers(logger);
if (!lib->plugins->load(lib->plugins, NULL,
conftest->test->get_str(conftest->test, "preload", "")))
{
return 1;
}
if (!charon->initialize(charon, PLUGINS))
{
return 1;
}
if (!load_certs(conftest->test, conftest->suite_dir))
{
return 1;
}
if (!load_keys(conftest->test, conftest->suite_dir))
{
return 1;
}
load_cdps(conftest->test);
if (!load_hooks())
{
return 1;
}
charon->backends->add_backend(charon->backends, &conftest->config->backend);
conftest->config->load(conftest->config, conftest->test);
conftest->actions = actions_create();
/* set up thread specific handlers */
action.sa_handler = segv_handler;
action.sa_flags = 0;
sigemptyset(&action.sa_mask);
sigaddset(&action.sa_mask, SIGINT);
sigaddset(&action.sa_mask, SIGTERM);
sigaddset(&action.sa_mask, SIGHUP);
sigaction(SIGSEGV, &action, NULL);
sigaction(SIGILL, &action, NULL);
sigaction(SIGBUS, &action, NULL);
action.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &action, NULL);
pthread_sigmask(SIG_SETMASK, &action.sa_mask, NULL);
/* start thread pool */
charon->start(charon);
/* handle SIGINT/SIGTERM in main thread */
sigemptyset(&set);
sigaddset(&set, SIGINT);
sigaddset(&set, SIGHUP);
sigaddset(&set, SIGTERM);
sigprocmask(SIG_BLOCK, &set, NULL);
while (sigwait(&set, &sig) == 0)
{
switch (sig)
{
case SIGINT:
case SIGTERM:
fprintf(stderr, "\nshutting down...\n");
break;
default:
continue;
}
break;
}
return status;
}
/**
* Cleanup library atexit()
*/
static void cleanup()
{
lib->processor->cancel(lib->processor);
library_deinit();
}
/**
* Main function, starts the daemon.
*/
int main(int argc, char *argv[])
{
struct sigaction action;
int group, status = SS_RC_INITIALIZATION_FAILED;
struct utsname utsname;
/* logging for library during initialization, as we have no bus yet */
dbg = dbg_stderr;
/* initialize library */
if (!library_init(NULL, "charon"))
{
library_deinit();
exit(SS_RC_LIBSTRONGSWAN_INTEGRITY);
}
if (lib->integrity &&
!lib->integrity->check_file(lib->integrity, "charon", argv[0]))
{
dbg_stderr(DBG_DMN, 1, "integrity check of charon failed");
library_deinit();
exit(SS_RC_DAEMON_INTEGRITY);
}
if (!libhydra_init())
{
dbg_stderr(DBG_DMN, 1, "initialization failed - aborting charon");
libhydra_deinit();
library_deinit();
exit(SS_RC_INITIALIZATION_FAILED);
}
if (!libcharon_init())
{
dbg_stderr(DBG_DMN, 1, "initialization failed - aborting charon");
goto deinit;
}
/* use CTRL loglevel for default */
for (group = 0; group < DBG_MAX; group++)
{
levels[group] = LEVEL_CTRL;
}
/* handle arguments */
for (;;)
{
struct option long_opts[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'v' },
{ "use-syslog", no_argument, NULL, 'l' },
/* TODO: handle "debug-all" */
{ "debug-dmn", required_argument, &group, DBG_DMN },
{ "debug-mgr", required_argument, &group, DBG_MGR },
{ "debug-ike", required_argument, &group, DBG_IKE },
{ "debug-chd", required_argument, &group, DBG_CHD },
{ "debug-job", required_argument, &group, DBG_JOB },
{ "debug-cfg", required_argument, &group, DBG_CFG },
{ "debug-knl", required_argument, &group, DBG_KNL },
{ "debug-net", required_argument, &group, DBG_NET },
{ "debug-asn", required_argument, &group, DBG_ASN },
{ "debug-enc", required_argument, &group, DBG_ENC },
{ "debug-tnc", required_argument, &group, DBG_TNC },
{ "debug-imc", required_argument, &group, DBG_IMC },
{ "debug-imv", required_argument, &group, DBG_IMV },
{ "debug-pts", required_argument, &group, DBG_PTS },
{ "debug-tls", required_argument, &group, DBG_TLS },
{ "debug-esp", required_argument, &group, DBG_ESP },
{ "debug-lib", required_argument, &group, DBG_LIB },
{ 0,0,0,0 }
};
int c = getopt_long(argc, argv, "", long_opts, NULL);
switch (c)
{
case EOF:
break;
case 'h':
usage(NULL);
status = 0;
goto deinit;
case 'v':
printf("Linux strongSwan %s\n", VERSION);
status = 0;
goto deinit;
case 'l':
use_syslog = TRUE;
continue;
case 0:
/* option is in group */
levels[group] = atoi(optarg);
continue;
default:
usage("");
status = 1;
goto deinit;
}
break;
}
if (!lookup_uid_gid())
{
dbg_stderr(DBG_DMN, 1, "invalid uid/gid - aborting charon");
goto deinit;
}
charon->load_loggers(charon, levels, !use_syslog);
if (uname(&utsname) != 0)
{
memset(&utsname, 0, sizeof(utsname));
}
DBG1(DBG_DMN, "Starting IKE charon daemon (strongSwan "VERSION", %s %s, %s)",
utsname.sysname, utsname.release, utsname.machine);
if (lib->integrity)
{
DBG1(DBG_DMN, "integrity tests enabled:");
DBG1(DBG_DMN, "lib 'libstrongswan': passed file and segment integrity tests");
DBG1(DBG_DMN, "lib 'libhydra': passed file and segment integrity tests");
DBG1(DBG_DMN, "lib 'libcharon': passed file and segment integrity tests");
DBG1(DBG_DMN, "daemon 'charon': passed file integrity test");
}
/* initialize daemon */
if (!charon->initialize(charon,
lib->settings->get_str(lib->settings, "charon.load", PLUGINS)))
{
DBG1(DBG_DMN, "initialization failed - aborting charon");
goto deinit;
}
lib->plugins->status(lib->plugins, LEVEL_CTRL);
if (check_pidfile())
{
DBG1(DBG_DMN, "charon already running (\""PID_FILE"\" exists)");
goto deinit;
}
if (!lib->caps->drop(lib->caps))
{
DBG1(DBG_DMN, "capability dropping failed - aborting charon");
goto deinit;
}
/* add handler for SEGV and ILL,
* INT, TERM and HUP are handled by sigwaitinfo() in run() */
action.sa_handler = segv_handler;
action.sa_flags = 0;
sigemptyset(&action.sa_mask);
sigaddset(&action.sa_mask, SIGINT);
sigaddset(&action.sa_mask, SIGTERM);
sigaddset(&action.sa_mask, SIGHUP);
sigaction(SIGSEGV, &action, NULL);
sigaction(SIGILL, &action, NULL);
sigaction(SIGBUS, &action, NULL);
action.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &action, NULL);
pthread_sigmask(SIG_SETMASK, &action.sa_mask, NULL);
/* start daemon (i.e. the threads in the thread-pool) */
charon->start(charon);
/* main thread goes to run loop */
run();
/* normal termination, cleanup and exit */
unlink_pidfile();
status = 0;
deinit:
libcharon_deinit();
libhydra_deinit();
library_deinit();
return status;
}
/**
* Main function, starts TKM backend.
*/
int main(int argc, char *argv[])
{
char *dmn_name;
if (argc > 0 && strlen(argv[0]) > 0)
{
dmn_name = basename(argv[0]);
}
else
{
dmn_name = "charon-tkm";
}
/* TKM credential set */
tkm_cred_t *creds;
struct sigaction action;
int status = SS_RC_INITIALIZATION_FAILED;
/* logging for library during initialization, as we have no bus yet */
dbg = dbg_syslog;
/* initialize library */
if (!library_init(NULL, dmn_name))
{
library_deinit();
exit(status);
}
if (!libhydra_init())
{
dbg_syslog(DBG_DMN, 1, "initialization failed - aborting %s", dmn_name);
libhydra_deinit();
library_deinit();
exit(status);
}
if (!libcharon_init())
{
dbg_syslog(DBG_DMN, 1, "initialization failed - aborting %s", dmn_name);
goto deinit;
}
if (!lookup_uid_gid())
{
dbg_syslog(DBG_DMN, 1, "invalid uid/gid - aborting %s", dmn_name);
goto deinit;
}
/* make sure we log to the DAEMON facility by default */
lib->settings->set_int(lib->settings, "%s.syslog.daemon.default",
lib->settings->get_int(lib->settings, "%s.syslog.daemon.default", 1,
dmn_name), dmn_name);
charon->load_loggers(charon, NULL, FALSE);
DBG1(DBG_DMN, "Starting charon with TKM backend (strongSwan "VERSION")");
/* register TKM specific plugins */
static plugin_feature_t features[] = {
PLUGIN_REGISTER(NONCE_GEN, tkm_nonceg_create),
PLUGIN_PROVIDE(NONCE_GEN),
PLUGIN_REGISTER(PUBKEY, tkm_public_key_load, TRUE),
PLUGIN_PROVIDE(PUBKEY, KEY_RSA),
PLUGIN_PROVIDE(PUBKEY_VERIFY, SIGN_RSA_EMSA_PKCS1_SHA1),
PLUGIN_PROVIDE(PUBKEY_VERIFY, SIGN_RSA_EMSA_PKCS1_SHA256),
PLUGIN_CALLBACK(kernel_ipsec_register, tkm_kernel_ipsec_create),
PLUGIN_PROVIDE(CUSTOM, "kernel-ipsec"),
};
lib->plugins->add_static_features(lib->plugins, "tkm-backend", features,
countof(features), TRUE);
if (!register_dh_mapping())
{
DBG1(DBG_DMN, "no DH group mapping defined - aborting %s", dmn_name);
goto deinit;
}
/* register TKM keymat variant */
keymat_register_constructor(IKEV2, (keymat_constructor_t)tkm_keymat_create);
/* initialize daemon */
if (!charon->initialize(charon, PLUGINS))
{
DBG1(DBG_DMN, "initialization failed - aborting %s", dmn_name);
goto deinit;
}
lib->plugins->status(lib->plugins, LEVEL_CTRL);
/* set global pidfile name depending on daemon name */
if (asprintf(&pidfile_name, IPSEC_PIDDIR"/%s.pid", dmn_name) < 0)
{
DBG1(DBG_DMN, "unable to set pidfile name - aborting %s", dmn_name);
goto deinit;
};
if (check_pidfile())
{
DBG1(DBG_DMN, "%s already running (\"%s\" exists)", dmn_name,
pidfile_name);
goto deinit;
}
if (!lib->caps->drop(lib->caps))
{
DBG1(DBG_DMN, "capability dropping failed - aborting %s", dmn_name);
goto deinit;
}
/* initialize TKM client */
if (!tkm_init())
{
DBG1(DBG_DMN, "init of TKM client failed - aborting %s", dmn_name);
goto deinit;
}
/* register TKM authorization hook */
listener = tkm_listener_create();
charon->bus->add_listener(charon->bus, &listener->listener);
/* register TKM credential set */
creds = tkm_cred_create();
lib->credmgr->add_set(lib->credmgr, (credential_set_t*)creds);
/* register TKM credential encoder */
lib->encoding->add_encoder(lib->encoding, tkm_encoder_encode);
/* add handler for SEGV and ILL,
* INT and TERM are handled by sigwait() in run() */
action.sa_handler = segv_handler;
action.sa_flags = 0;
sigemptyset(&action.sa_mask);
sigaddset(&action.sa_mask, SIGINT);
sigaddset(&action.sa_mask, SIGTERM);
sigaction(SIGSEGV, &action, NULL);
sigaction(SIGILL, &action, NULL);
sigaction(SIGBUS, &action, NULL);
action.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &action, NULL);
pthread_sigmask(SIG_SETMASK, &action.sa_mask, NULL);
/* start daemon (i.e. the threads in the thread-pool) */
charon->start(charon);
/* main thread goes to run loop */
run();
unlink_pidfile();
status = 0;
charon->bus->remove_listener(charon->bus, &listener->listener);
listener->destroy(listener);
creds->destroy(creds);
lib->encoding->remove_encoder(lib->encoding, tkm_encoder_encode);
deinit:
destroy_dh_mapping();
libcharon_deinit();
libhydra_deinit();
library_deinit();
tkm_deinit();
return status;
}
int main(int argc, char **argv)
{
bool fork_desired = TRUE;
bool log_to_stderr_desired = FALSE;
bool nat_traversal = FALSE;
bool nat_t_spf = TRUE; /* support port floating */
unsigned int keep_alive = 0;
bool force_keepalive = FALSE;
char *virtual_private = NULL;
int lockfd;
#ifdef CAPABILITIES
cap_t caps;
int keep[] = { CAP_NET_ADMIN, CAP_NET_BIND_SERVICE };
#endif /* CAPABILITIES */
/* initialize library and optionsfrom */
if (!library_init(NULL))
{
library_deinit();
exit(SS_RC_LIBSTRONGSWAN_INTEGRITY);
}
if (!libhydra_init("pluto"))
{
libhydra_deinit();
library_deinit();
exit(SS_RC_INITIALIZATION_FAILED);
}
if (!pluto_init(argv[0]))
{
pluto_deinit();
libhydra_deinit();
library_deinit();
exit(SS_RC_DAEMON_INTEGRITY);
}
options = options_create();
ha_mcast_addr.s_addr = inet_addr(SA_SYNC_MULTICAST);
/* handle arguments */
for (;;)
{
# define DBG_OFFSET 256
static const struct option long_opts[] = {
/* name, has_arg, flag, val */
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'v' },
{ "optionsfrom", required_argument, NULL, '+' },
{ "nofork", no_argument, NULL, 'd' },
{ "stderrlog", no_argument, NULL, 'e' },
{ "noklips", no_argument, NULL, 'n' },
{ "nocrsend", no_argument, NULL, 'c' },
{ "strictcrlpolicy", no_argument, NULL, 'r' },
{ "crlcheckinterval", required_argument, NULL, 'x'},
{ "cachecrls", no_argument, NULL, 'C' },
{ "probe-psk", no_argument, NULL, 'o' },
{ "uniqueids", no_argument, NULL, 'u' },
{ "interface", required_argument, NULL, 'i' },
{ "ha_interface", required_argument, NULL, 'H' },
{ "ha_multicast", required_argument, NULL, 'M' },
{ "ha_vips", required_argument, NULL, 'V' },
{ "ha_seqdiff_in", required_argument, NULL, 'S' },
{ "ha_seqdiff_out", required_argument, NULL, 'O' },
{ "ikeport", required_argument, NULL, 'p' },
{ "ctlbase", required_argument, NULL, 'b' },
{ "secretsfile", required_argument, NULL, 's' },
{ "foodgroupsdir", required_argument, NULL, 'f' },
{ "perpeerlogbase", required_argument, NULL, 'P' },
{ "perpeerlog", no_argument, NULL, 'l' },
{ "policygroupsdir", required_argument, NULL, 'f' },
#ifdef USE_LWRES
{ "lwdnsq", required_argument, NULL, 'a' },
#else /* !USE_LWRES */
{ "adns", required_argument, NULL, 'a' },
#endif /* !USE_LWRES */
{ "pkcs11module", required_argument, NULL, 'm' },
{ "pkcs11keepstate", no_argument, NULL, 'k' },
{ "pkcs11initargs", required_argument, NULL, 'z' },
{ "pkcs11proxy", no_argument, NULL, 'y' },
{ "nat_traversal", no_argument, NULL, '1' },
{ "keep_alive", required_argument, NULL, '2' },
{ "force_keepalive", no_argument, NULL, '3' },
{ "disable_port_floating", no_argument, NULL, '4' },
{ "debug-natt", no_argument, NULL, '5' },
{ "virtual_private", required_argument, NULL, '6' },
#ifdef DEBUG
{ "debug-none", no_argument, NULL, 'N' },
{ "debug-all", no_argument, NULL, 'A' },
{ "debug-raw", no_argument, NULL, DBG_RAW + DBG_OFFSET },
{ "debug-crypt", no_argument, NULL, DBG_CRYPT + DBG_OFFSET },
{ "debug-parsing", no_argument, NULL, DBG_PARSING + DBG_OFFSET },
{ "debug-emitting", no_argument, NULL, DBG_EMITTING + DBG_OFFSET },
{ "debug-control", no_argument, NULL, DBG_CONTROL + DBG_OFFSET },
{ "debug-lifecycle", no_argument, NULL, DBG_LIFECYCLE + DBG_OFFSET },
{ "debug-klips", no_argument, NULL, DBG_KLIPS + DBG_OFFSET },
{ "debug-dns", no_argument, NULL, DBG_DNS + DBG_OFFSET },
{ "debug-oppo", no_argument, NULL, DBG_OPPO + DBG_OFFSET },
{ "debug-controlmore", no_argument, NULL, DBG_CONTROLMORE + DBG_OFFSET },
{ "debug-ha", no_argument, NULL, DBG_HA + DBG_OFFSET },
{ "debug-private", no_argument, NULL, DBG_PRIVATE + DBG_OFFSET },
{ "impair-delay-adns-key-answer", no_argument, NULL, IMPAIR_DELAY_ADNS_KEY_ANSWER + DBG_OFFSET },
{ "impair-delay-adns-txt-answer", no_argument, NULL, IMPAIR_DELAY_ADNS_TXT_ANSWER + DBG_OFFSET },
{ "impair-bust-mi2", no_argument, NULL, IMPAIR_BUST_MI2 + DBG_OFFSET },
{ "impair-bust-mr2", no_argument, NULL, IMPAIR_BUST_MR2 + DBG_OFFSET },
#endif
{ 0,0,0,0 }
};
/* Note: we don't like the way short options get parsed
* by getopt_long, so we simply pass an empty string as
* the list. It could be "hvdenp:l:s:" "NARXPECK".
*/
int c = getopt_long(argc, argv, "", long_opts, NULL);
/* Note: "breaking" from case terminates loop */
switch (c)
{
case EOF: /* end of flags */
break;
case 0: /* long option already handled */
continue;
case ':': /* diagnostic already printed by getopt_long */
case '?': /* diagnostic already printed by getopt_long */
usage("");
break; /* not actually reached */
case 'h': /* --help */
usage(NULL);
break; /* not actually reached */
case 'v': /* --version */
{
const char **sp = ipsec_copyright_notice();
printf("strongSwan "VERSION"%s\n", compile_time_interop_options);
for (; *sp != NULL; sp++)
puts(*sp);
}
exit_pluto(0);
break; /* not actually reached */
case '+': /* --optionsfrom <filename> */
if (!options->from(options, optarg, &argc, &argv, optind))
{
exit_pluto(1);
}
continue;
case 'd': /* --nofork*/
fork_desired = FALSE;
continue;
case 'e': /* --stderrlog */
log_to_stderr_desired = TRUE;
continue;
case 'n': /* --noklips */
no_klips = TRUE;
continue;
case 'c': /* --nocrsend */
no_cr_send = TRUE;
continue;
case 'r': /* --strictcrlpolicy */
strict_crl_policy = TRUE;
continue;
case 'x': /* --crlcheckinterval <time>*/
if (optarg == NULL || !isdigit(optarg[0]))
usage("missing interval time");
{
char *endptr;
long interval = strtol(optarg, &endptr, 0);
if (*endptr != '\0' || endptr == optarg
|| interval <= 0)
usage("<interval-time> must be a positive number");
crl_check_interval = interval;
}
continue;
case 'C': /* --cachecrls */
cache_crls = TRUE;
continue;
case 'o': /* --probe-psk */
probe_psk = TRUE;
continue;
case 'u': /* --uniqueids */
uniqueIDs = TRUE;
continue;
case 'i': /* --interface <ifname> */
if (!use_interface(optarg))
usage("too many --interface specifications");
continue;
case 'H': /* --ha_interface <ifname> */
if (optarg && strcmp(optarg, "none") != 0)
ha_interface = optarg;
continue;
case 'M': /* --ha_multicast <ip> */
ha_mcast_addr.s_addr = inet_addr(optarg);
if (ha_mcast_addr.s_addr == INADDR_NONE ||
(((unsigned char *) &ha_mcast_addr.s_addr)[0] & 0xF0) != 0xE0)
ha_mcast_addr.s_addr = inet_addr(SA_SYNC_MULTICAST);
continue;
case 'V': /* --ha_vips <ip addresses> */
if(add_ha_vips(optarg))
usage("misconfigured ha_vip addresses");
continue;
case 'S': /* --ha_seqdiff_in <diff> */
ha_seqdiff_in = strtoul(optarg, NULL, 0);
continue;
case 'O': /* --ha_seqdiff_out <diff> */
ha_seqdiff_out = strtoul(optarg, NULL, 0);
continue;
case 'p': /* --port <portnumber> */
if (optarg == NULL || !isdigit(optarg[0]))
usage("missing port number");
{
char *endptr;
long port = strtol(optarg, &endptr, 0);
if (*endptr != '\0' || endptr == optarg
|| port <= 0 || port > 0x10000)
usage("<port-number> must be a number between 1 and 65535");
pluto_port = port;
}
continue;
case 'b': /* --ctlbase <path> */
if (snprintf(ctl_addr.sun_path, sizeof(ctl_addr.sun_path)
, "%s%s", optarg, CTL_SUFFIX) == -1)
usage("<path>" CTL_SUFFIX " too long for sun_path");
if (snprintf(info_addr.sun_path, sizeof(info_addr.sun_path)
, "%s%s", optarg, INFO_SUFFIX) == -1)
usage("<path>" INFO_SUFFIX " too long for sun_path");
if (snprintf(pluto_lock, sizeof(pluto_lock)
, "%s%s", optarg, LOCK_SUFFIX) == -1)
usage("<path>" LOCK_SUFFIX " must fit");
continue;
case 's': /* --secretsfile <secrets-file> */
shared_secrets_file = optarg;
continue;
case 'f': /* --policygroupsdir <policygroups-dir> */
policygroups_dir = optarg;
continue;
case 'a': /* --adns <pathname> */
pluto_adns_option = optarg;
continue;
case 'm': /* --pkcs11module <pathname> */
pkcs11_module_path = optarg;
continue;
case 'k': /* --pkcs11keepstate */
pkcs11_keep_state = TRUE;
continue;
case 'y': /* --pkcs11proxy */
pkcs11_proxy = TRUE;
continue;
case 'z': /* --pkcs11initargs */
pkcs11_init_args = optarg;
continue;
#ifdef DEBUG
case 'N': /* --debug-none */
base_debugging = DBG_NONE;
continue;
case 'A': /* --debug-all */
base_debugging = DBG_ALL;
continue;
#endif
case 'P': /* --perpeerlogbase */
base_perpeer_logdir = optarg;
continue;
case 'l':
log_to_perpeer = TRUE;
continue;
case '1': /* --nat_traversal */
nat_traversal = TRUE;
continue;
case '2': /* --keep_alive */
keep_alive = atoi(optarg);
continue;
case '3': /* --force_keepalive */
force_keepalive = TRUE;
continue;
case '4': /* --disable_port_floating */
nat_t_spf = FALSE;
continue;
case '5': /* --debug-nat_t */
base_debugging |= DBG_NATT;
continue;
case '6': /* --virtual_private */
virtual_private = optarg;
continue;
default:
#ifdef DEBUG
if (c >= DBG_OFFSET)
{
base_debugging |= c - DBG_OFFSET;
continue;
}
# undef DBG_OFFSET
#endif
bad_case(c);
}
break;
}
if (optind != argc)
usage("unexpected argument");
reset_debugging();
lockfd = create_lock();
/* select between logging methods */
if (log_to_stderr_desired)
{
log_to_syslog = FALSE;
}
else
{
log_to_stderr = FALSE;
}
/* set the logging function of pfkey debugging */
#ifdef DEBUG
pfkey_debug_func = DBG_log;
#else
pfkey_debug_func = NULL;
#endif
/* create control socket.
* We must create it before the parent process returns so that
* there will be no race condition in using it. The easiest
* place to do this is before the daemon fork.
*/
{
err_t ugh = init_ctl_socket();
if (ugh != NULL)
{
fprintf(stderr, "pluto: %s", ugh);
exit_pluto(1);
}
}
/* If not suppressed, do daemon fork */
if (fork_desired)
{
{
pid_t pid = fork();
if (pid < 0)
{
int e = errno;
fprintf(stderr, "pluto: fork failed (%d %s)\n",
errno, strerror(e));
exit_pluto(1);
}
if (pid != 0)
{
/* parent: die, after filling PID into lock file.
* must not use exit_pluto: lock would be removed!
*/
exit(fill_lock(lockfd, pid)? 0 : 1);
}
}
if (setsid() < 0)
{
int e = errno;
fprintf(stderr, "setsid() failed in main(). Errno %d: %s\n",
errno, strerror(e));
exit_pluto(1);
}
}
else
{
/* no daemon fork: we have to fill in lock file */
(void) fill_lock(lockfd, getpid());
fprintf(stdout, "Pluto initialized\n");
fflush(stdout);
}
/* Close everything but ctl_fd and (if needed) stderr.
* There is some danger that a library that we don't know
* about is using some fd that we don't know about.
* I guess we'll soon find out.
*/
{
int i;
for (i = getdtablesize() - 1; i >= 0; i--) /* Bad hack */
{
if ((!log_to_stderr || i != 2) && i != ctl_fd)
close(i);
}
/* make sure that stdin, stdout, stderr are reserved */
if (open("/dev/null", O_RDONLY) != 0)
abort();
if (dup2(0, 1) != 1)
abort();
if (!log_to_stderr && dup2(0, 2) != 2)
abort();
}
init_constants();
init_log("pluto");
/* Note: some scripts may look for this exact message -- don't change
* ipsec barf was one, but it no longer does.
*/
plog("Starting IKEv1 pluto daemon (strongSwan "VERSION")%s",
compile_time_interop_options);
if (lib->integrity)
{
plog("integrity tests enabled:");
plog("lib 'libstrongswan': passed file and segment integrity tests");
plog("lib 'libhydra': passed file and segment integrity tests");
plog("daemon 'pluto': passed file integrity test");
}
/* load plugins, further infrastructure may need it */
if (!lib->plugins->load(lib->plugins, NULL,
lib->settings->get_str(lib->settings, "pluto.load", PLUGINS)))
{
exit(SS_RC_INITIALIZATION_FAILED);
}
print_plugins();
init_builder();
if (!init_secret() || !init_crypto())
{
plog("initialization failed - aborting pluto");
exit_pluto(SS_RC_INITIALIZATION_FAILED);
}
init_nat_traversal(nat_traversal, keep_alive, force_keepalive, nat_t_spf);
init_virtual_ip(virtual_private);
scx_init(pkcs11_module_path, pkcs11_init_args);
init_states();
init_demux();
init_kernel();
init_adns();
init_myid();
fetch_initialize();
ac_initialize();
whack_attribute_initialize();
/* HA System: set sequence number delta and open HA interface */
if (ha_interface != NULL)
{
int version;
if (kernel_ops->type == KERNEL_TYPE_LINUX
&& (version = xfrm_aevent_version()) != XFRM_AEVENT_VERSION)
{
if (version == 0)
plog("HA system: XFRM sequence number updates only "
"supported with kernel version 2.6.17 and later.");
else if (version == -1)
plog("HA system: error reading kernel version. "
"Sequence number updates disabled.");
else
plog("HA system: Strongswan compiled for wrong kernel "
"AEVENT version! Please set XFRM_AEVENT_VERSION "
"to %d in src/include/linux/xfrm.h", version);
ha_seqdiff_in = 0;
ha_seqdiff_out = 0;
}
else
{
FILE *etime = fopen("/proc/sys/net/core/xfrm_aevent_etime", "w");
FILE *rseqth = fopen("/proc/sys/net/core/xfrm_aevent_rseqth", "w");
if (etime == NULL || rseqth == NULL)
{
plog("HA System: no sequence number support in Kernel! "
"Please use at least kernel 2.6.17.");
ha_seqdiff_in = 0;
ha_seqdiff_out = 0;
}
else
{
/*
* Disable etime (otherwise set to a multiple of 100ms,
* e.g. 300 for 30 seconds). Using ha_seqdiff_out.
*/
fprintf(etime, "0");
fprintf(rseqth, "%d", ha_seqdiff_out);
}
fclose(etime);
fclose(rseqth);
}
if (open_ha_iface() >= 0)
{
plog("HA system enabled and listening on interface %s", ha_interface);
if (access("/var/master", F_OK) == 0)
{
plog("Initial HA switch to master mode");
ha_master = 1;
event_schedule(EVENT_SA_SYNC_UPDATE, 30, NULL);
}
}
else
{
plog("HA system failed to listen on interface %s. "
"HA system disabled.", ha_interface);
ha_interface = NULL;
}
}
/* drop unneeded capabilities and change UID/GID */
prctl(PR_SET_KEEPCAPS, 1);
#ifdef IPSEC_GROUP
{
struct group group, *grp;
char buf[1024];
if (getgrnam_r(IPSEC_GROUP, &group, buf, sizeof(buf), &grp) != 0 ||
grp == NULL || setgid(grp->gr_gid) != 0)
{
plog("unable to change daemon group");
abort();
}
}
#endif
#ifdef IPSEC_USER
{
struct passwd passwd, *pwp;
char buf[1024];
if (getpwnam_r(IPSEC_USER, &passwd, buf, sizeof(buf), &pwp) != 0 ||
pwp == NULL || setuid(pwp->pw_uid) != 0)
{
plog("unable to change daemon user");
abort();
}
}
#endif
#ifdef CAPABILITIES
caps = cap_init();
cap_set_flag(caps, CAP_EFFECTIVE, 2, keep, CAP_SET);
cap_set_flag(caps, CAP_INHERITABLE, 2, keep, CAP_SET);
cap_set_flag(caps, CAP_PERMITTED, 2, keep, CAP_SET);
if (cap_set_proc(caps) != 0)
{
plog("unable to drop daemon capabilities");
abort();
}
cap_free(caps);
#endif /* CAPABILITIES */
/* loading X.509 CA certificates */
load_authcerts("ca", CA_CERT_PATH, X509_CA);
/* loading X.509 AA certificates */
load_authcerts("aa", AA_CERT_PATH, X509_AA);
/* loading X.509 OCSP certificates */
load_authcerts("ocsp", OCSP_CERT_PATH, X509_OCSP_SIGNER);
/* loading X.509 CRLs */
load_crls();
/* loading attribute certificates (experimental) */
ac_load_certs();
daily_log_event();
call_server();
return -1; /* Shouldn't ever reach this */
}
/**
* atexit handler to close everything on shutdown
*/
static void cleanup(void)
{
closelog();
library_deinit();
}
/**
* Main function, starts NetworkManager backend.
*/
int main(int argc, char *argv[])
{
struct sigaction action;
int status = SS_RC_INITIALIZATION_FAILED;
/* logging for library during initialization, as we have no bus yet */
dbg = dbg_syslog;
/* LD causes a crash probably due to Glib */
setenv("LEAK_DETECTIVE_DISABLE", "1", 1);
/* initialize library */
if (!library_init(NULL, "charon-nm"))
{
library_deinit();
exit(SS_RC_LIBSTRONGSWAN_INTEGRITY);
}
if (lib->integrity &&
!lib->integrity->check_file(lib->integrity, "charon-nm", argv[0]))
{
dbg_syslog(DBG_DMN, 1, "integrity check of charon-nm failed");
library_deinit();
exit(SS_RC_DAEMON_INTEGRITY);
}
if (!libcharon_init())
{
dbg_syslog(DBG_DMN, 1, "initialization failed - aborting charon-nm");
goto deinit;
}
if (!lookup_uid_gid())
{
dbg_syslog(DBG_DMN, 1, "invalid uid/gid - aborting charon-nm");
goto deinit;
}
/* make sure we log to the DAEMON facility by default */
lib->settings->set_int(lib->settings, "charon-nm.syslog.daemon.default",
lib->settings->get_int(lib->settings,
"charon-nm.syslog.daemon.default", 1));
charon->load_loggers(charon);
/* use random ports to avoid conflicts with regular charon */
lib->settings->set_int(lib->settings, "charon-nm.port", 0);
lib->settings->set_int(lib->settings, "charon-nm.port_nat_t", 0);
DBG1(DBG_DMN, "Starting charon NetworkManager backend (strongSwan "VERSION")");
if (lib->integrity)
{
DBG1(DBG_DMN, "integrity tests enabled:");
DBG1(DBG_DMN, "lib 'libstrongswan': passed file and segment integrity tests");
DBG1(DBG_DMN, "lib 'libcharon': passed file and segment integrity tests");
DBG1(DBG_DMN, "daemon 'charon-nm': passed file integrity test");
}
/* register NM backend to be loaded with plugins */
nm_backend_register();
/* initialize daemon */
if (!charon->initialize(charon,
lib->settings->get_str(lib->settings, "charon-nm.load", PLUGINS)))
{
DBG1(DBG_DMN, "initialization failed - aborting charon-nm");
goto deinit;
}
lib->plugins->status(lib->plugins, LEVEL_CTRL);
if (!lib->caps->drop(lib->caps))
{
DBG1(DBG_DMN, "capability dropping failed - aborting charon-nm");
goto deinit;
}
/* add handler for SEGV and ILL,
* INT and TERM are handled by sigwaitinfo() in run() */
action.sa_handler = segv_handler;
action.sa_flags = 0;
sigemptyset(&action.sa_mask);
sigaddset(&action.sa_mask, SIGINT);
sigaddset(&action.sa_mask, SIGTERM);
sigaction(SIGSEGV, &action, NULL);
sigaction(SIGILL, &action, NULL);
sigaction(SIGBUS, &action, NULL);
action.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &action, NULL);
pthread_sigmask(SIG_SETMASK, &action.sa_mask, NULL);
/* start daemon (i.e. the threads in the thread-pool) */
charon->start(charon);
/* main thread goes to run loop */
run();
status = 0;
deinit:
libcharon_deinit();
library_deinit();
return status;
}
/**
* main routine, parses args and reads from console
*/
int main(int argc, char *argv[])
{
GtkWidget *menubar, *menu, *menuitem, *vbox;
GtkWidget *dummMenu, *guestMenu, *switchMenu;
enumerator_t *enumerator;
guest_t *guest;
library_init(NULL);
gtk_init(&argc, &argv);
pages = linked_list_create();
dumm = dumm_create(NULL);
/* setup window */
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
g_signal_connect(G_OBJECT(window), "destroy", G_CALLBACK(quit), NULL);
gtk_window_set_title(GTK_WINDOW (window), "Dumm");
gtk_window_set_default_size(GTK_WINDOW (window), 1000, 500);
g_signal_connect(G_OBJECT(vte_reaper_get()), "child-exited",
G_CALLBACK(child_exited), NULL);
/* add vbox with menubar, notebook */
vbox = gtk_vbox_new(FALSE, 0);
gtk_container_add(GTK_CONTAINER(window), vbox);
menubar = gtk_menu_bar_new();
gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, TRUE, 0);
notebook = gtk_notebook_new();
g_object_set(G_OBJECT(notebook), "homogeneous", TRUE, NULL);
gtk_notebook_set_tab_pos(GTK_NOTEBOOK(notebook), GTK_POS_BOTTOM);
gtk_container_add(GTK_CONTAINER(vbox), notebook);
/* Dumm menu */
menu = gtk_menu_new();
dummMenu = gtk_menu_item_new_with_mnemonic("_Dumm");
gtk_menu_bar_append(GTK_MENU_BAR(menubar), dummMenu);
gtk_widget_show(dummMenu);
gtk_menu_item_set_submenu(GTK_MENU_ITEM(dummMenu), menu);
/* Dumm -> exit */
menuitem = gtk_image_menu_item_new_from_stock(GTK_STOCK_QUIT, NULL);
g_signal_connect(G_OBJECT(menuitem), "activate",
G_CALLBACK(quit), NULL);
gtk_menu_append(GTK_MENU(menu), menuitem);
gtk_widget_show(menuitem);
/* Guest menu */
menu = gtk_menu_new();
guestMenu = gtk_menu_item_new_with_mnemonic("_Guest");
gtk_menu_bar_append(GTK_MENU_BAR(menubar), guestMenu);
gtk_widget_show(guestMenu);
gtk_menu_item_set_submenu(GTK_MENU_ITEM(guestMenu), menu);
/* Guest -> new */
menuitem = gtk_image_menu_item_new_from_stock(GTK_STOCK_NEW, NULL);
g_signal_connect(G_OBJECT(menuitem), "activate",
G_CALLBACK(create_guest), NULL);
gtk_menu_append(GTK_MENU(menu), menuitem);
gtk_widget_show(menuitem);
/* Guest -> delete */
menuitem = gtk_image_menu_item_new_from_stock(GTK_STOCK_DELETE, NULL);
g_signal_connect(G_OBJECT(menuitem), "activate",
G_CALLBACK(delete_guest), NULL);
gtk_menu_append(GTK_MENU(menu), menuitem);
gtk_widget_show(menuitem);
menuitem = gtk_separator_menu_item_new();
gtk_menu_append(GTK_MENU(menu), menuitem);
gtk_widget_show(menuitem);
/* Guest -> start */
menuitem = gtk_menu_item_new_with_mnemonic("_Start");
g_signal_connect(G_OBJECT(menuitem), "activate",
G_CALLBACK(start_guest), NULL);
gtk_menu_append(GTK_MENU(menu), menuitem);
gtk_widget_show(menuitem);
/* Guest -> startall */
menuitem = gtk_menu_item_new_with_mnemonic("Start _all");
g_signal_connect(G_OBJECT(menuitem), "activate",
G_CALLBACK(start_all_guests), NULL);
gtk_menu_append(GTK_MENU(menu), menuitem);
gtk_widget_show(menuitem);
/* Guest -> stop */
menuitem = gtk_image_menu_item_new_from_stock(GTK_STOCK_STOP, NULL);
g_signal_connect(G_OBJECT(menuitem), "activate",
G_CALLBACK(stop_guest), NULL);
gtk_menu_append(GTK_MENU(menu), menuitem);
gtk_widget_show(menuitem);
menuitem = gtk_separator_menu_item_new();
gtk_menu_append(GTK_MENU(menu), menuitem);
gtk_widget_show(menuitem);
/* Guest -> connect */
menuitem = gtk_image_menu_item_new_from_stock(GTK_STOCK_CONNECT, NULL);
g_signal_connect(G_OBJECT(menuitem), "activate",
G_CALLBACK(connect_guest), NULL);
gtk_menu_append(GTK_MENU(menu), menuitem);
gtk_widget_show(menuitem);
/* Guest -> disconnect */
menuitem = gtk_image_menu_item_new_from_stock(GTK_STOCK_DISCONNECT, NULL);
g_signal_connect(G_OBJECT(menuitem), "activate",
G_CALLBACK(disconnect_guest), NULL);
gtk_menu_append(GTK_MENU(menu), menuitem);
gtk_widget_set_sensitive(menuitem, FALSE);
gtk_widget_show(menuitem);
/* Switch menu */
menu = gtk_menu_new();
switchMenu = gtk_menu_item_new_with_mnemonic("_Switch");
gtk_menu_bar_append(GTK_MENU_BAR(menubar), switchMenu);
gtk_widget_show(switchMenu);
gtk_menu_item_set_submenu(GTK_MENU_ITEM(switchMenu), menu);
/* Switch -> new */
menuitem = gtk_image_menu_item_new_from_stock(GTK_STOCK_NEW, NULL);
g_signal_connect(G_OBJECT(menuitem), "activate",
G_CALLBACK(create_switch), NULL);
gtk_menu_append(GTK_MENU(menu), menuitem);
gtk_widget_show(menuitem);
/* Switch -> delete */
menuitem = gtk_image_menu_item_new_from_stock(GTK_STOCK_DELETE, NULL);
g_signal_connect(G_OBJECT(menuitem), "activate",
G_CALLBACK(delete_switch), NULL);
gtk_menu_append(GTK_MENU(menu), menuitem);
gtk_widget_set_sensitive(menuitem, FALSE);
gtk_widget_show(menuitem);
/* show widgets */
gtk_widget_show(menubar);
gtk_widget_show(notebook);
gtk_widget_show(vbox);
gtk_widget_show(window);
/* fill notebook with guests */
enumerator = dumm->create_guest_enumerator(dumm);
while (enumerator->enumerate(enumerator, (void**)&guest))
{
create_page(guest);
}
enumerator->destroy(enumerator);
gtk_main();
dumm->destroy(dumm);
pages->destroy_function(pages, g_free);
library_deinit();
return 0;
}
int main(int argc, char **argv)
{
bool fork_desired = TRUE;
bool log_to_stderr_desired = FALSE;
bool nat_traversal = FALSE;
bool nat_t_spf = TRUE; /* support port floating */
unsigned int keep_alive = 0;
bool force_keepalive = FALSE;
char *virtual_private = NULL;
int lockfd;
#ifdef CAPABILITIES
int keep[] = { CAP_NET_ADMIN, CAP_NET_BIND_SERVICE };
#endif /* CAPABILITIES */
/* initialize library and optionsfrom */
if (!library_init(NULL))
{
library_deinit();
exit(SS_RC_LIBSTRONGSWAN_INTEGRITY);
}
if (!libhydra_init("pluto"))
{
libhydra_deinit();
library_deinit();
exit(SS_RC_INITIALIZATION_FAILED);
}
if (!pluto_init(argv[0]))
{
pluto_deinit();
libhydra_deinit();
library_deinit();
exit(SS_RC_DAEMON_INTEGRITY);
}
options = options_create();
/* handle arguments */
for (;;)
{
# define DBG_OFFSET 256
static const struct option long_opts[] = {
/* name, has_arg, flag, val */
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'v' },
{ "optionsfrom", required_argument, NULL, '+' },
{ "nofork", no_argument, NULL, 'd' },
{ "stderrlog", no_argument, NULL, 'e' },
{ "nocrsend", no_argument, NULL, 'c' },
{ "strictcrlpolicy", no_argument, NULL, 'r' },
{ "crlcheckinterval", required_argument, NULL, 'x'},
{ "cachecrls", no_argument, NULL, 'C' },
{ "uniqueids", no_argument, NULL, 'u' },
{ "disableuniqreqids", no_argument, NULL, 'Z'},
{ "interface", required_argument, NULL, 'i' },
{ "ikeport", required_argument, NULL, 'p' },
{ "ctlbase", required_argument, NULL, 'b' },
{ "secretsfile", required_argument, NULL, 's' },
{ "foodgroupsdir", required_argument, NULL, 'f' },
{ "perpeerlogbase", required_argument, NULL, 'P' },
{ "perpeerlog", no_argument, NULL, 'l' },
{ "policygroupsdir", required_argument, NULL, 'f' },
#ifdef USE_LWRES
{ "lwdnsq", required_argument, NULL, 'a' },
#else /* !USE_LWRES */
{ "adns", required_argument, NULL, 'a' },
#endif /* !USE_LWRES */
{ "pkcs11module", required_argument, NULL, 'm' },
{ "pkcs11keepstate", no_argument, NULL, 'k' },
{ "pkcs11initargs", required_argument, NULL, 'z' },
{ "pkcs11proxy", no_argument, NULL, 'y' },
{ "nat_traversal", no_argument, NULL, '1' },
{ "keep_alive", required_argument, NULL, '2' },
{ "force_keepalive", no_argument, NULL, '3' },
{ "disable_port_floating", no_argument, NULL, '4' },
{ "debug-natt", no_argument, NULL, '5' },
{ "virtual_private", required_argument, NULL, '6' },
#ifdef DEBUG
{ "debug-none", no_argument, NULL, 'N' },
{ "debug-all", no_argument, NULL, 'A' },
{ "debug-raw", no_argument, NULL, DBG_RAW + DBG_OFFSET },
{ "debug-crypt", no_argument, NULL, DBG_CRYPT + DBG_OFFSET },
{ "debug-parsing", no_argument, NULL, DBG_PARSING + DBG_OFFSET },
{ "debug-emitting", no_argument, NULL, DBG_EMITTING + DBG_OFFSET },
{ "debug-control", no_argument, NULL, DBG_CONTROL + DBG_OFFSET },
{ "debug-lifecycle", no_argument, NULL, DBG_LIFECYCLE + DBG_OFFSET },
{ "debug-klips", no_argument, NULL, DBG_KERNEL + DBG_OFFSET },
{ "debug-kernel", no_argument, NULL, DBG_KERNEL + DBG_OFFSET },
{ "debug-dns", no_argument, NULL, DBG_DNS + DBG_OFFSET },
{ "debug-oppo", no_argument, NULL, DBG_OPPO + DBG_OFFSET },
{ "debug-controlmore", no_argument, NULL, DBG_CONTROLMORE + DBG_OFFSET },
{ "debug-private", no_argument, NULL, DBG_PRIVATE + DBG_OFFSET },
{ "impair-delay-adns-key-answer", no_argument, NULL, IMPAIR_DELAY_ADNS_KEY_ANSWER + DBG_OFFSET },
{ "impair-delay-adns-txt-answer", no_argument, NULL, IMPAIR_DELAY_ADNS_TXT_ANSWER + DBG_OFFSET },
{ "impair-bust-mi2", no_argument, NULL, IMPAIR_BUST_MI2 + DBG_OFFSET },
{ "impair-bust-mr2", no_argument, NULL, IMPAIR_BUST_MR2 + DBG_OFFSET },
#endif
{ 0,0,0,0 }
};
/* Note: we don't like the way short options get parsed
* by getopt_long, so we simply pass an empty string as
* the list. It could be "hvdenp:l:s:" "NARXPECK".
*/
int c = getopt_long(argc, argv, "", long_opts, NULL);
/* Note: "breaking" from case terminates loop */
switch (c)
{
case EOF: /* end of flags */
break;
case 0: /* long option already handled */
continue;
case ':': /* diagnostic already printed by getopt_long */
case '?': /* diagnostic already printed by getopt_long */
usage("");
break; /* not actually reached */
case 'h': /* --help */
usage(NULL);
break; /* not actually reached */
case 'v': /* --version */
{
const char **sp = ipsec_copyright_notice();
printf("strongSwan "VERSION"%s\n", compile_time_interop_options);
for (; *sp != NULL; sp++)
puts(*sp);
}
exit_pluto(0);
break; /* not actually reached */
case '+': /* --optionsfrom <filename> */
if (!options->from(options, optarg, &argc, &argv, optind))
{
exit_pluto(1);
}
continue;
case 'd': /* --nofork*/
fork_desired = FALSE;
continue;
case 'e': /* --stderrlog */
log_to_stderr_desired = TRUE;
continue;
case 'c': /* --nocrsend */
no_cr_send = TRUE;
continue;
case 'r': /* --strictcrlpolicy */
strict_crl_policy = TRUE;
continue;
case 'x': /* --crlcheckinterval <time>*/
if (optarg == NULL || !isdigit(optarg[0]))
usage("missing interval time");
{
char *endptr;
long interval = strtol(optarg, &endptr, 0);
if (*endptr != '\0' || endptr == optarg
|| interval <= 0)
usage("<interval-time> must be a positive number");
crl_check_interval = interval;
}
continue;
case 'C': /* --cachecrls */
cache_crls = TRUE;
continue;
case 'u': /* --uniqueids */
uniqueIDs = TRUE;
continue;
case 'Z': /* --disableuniqreqids */
disable_uniqreqids = TRUE;
continue;
case 'i': /* --interface <ifname> */
if (!use_interface(optarg))
usage("too many --interface specifications");
continue;
case 'p': /* --port <portnumber> */
if (optarg == NULL || !isdigit(optarg[0]))
usage("missing port number");
{
char *endptr;
long port = strtol(optarg, &endptr, 0);
if (*endptr != '\0' || endptr == optarg
|| port <= 0 || port > 0x10000)
usage("<port-number> must be a number between 1 and 65535");
pluto_port = port;
}
continue;
case 'b': /* --ctlbase <path> */
if (snprintf(ctl_addr.sun_path, sizeof(ctl_addr.sun_path)
, "%s%s", optarg, CTL_SUFFIX) == -1)
usage("<path>" CTL_SUFFIX " too long for sun_path");
if (snprintf(info_addr.sun_path, sizeof(info_addr.sun_path)
, "%s%s", optarg, INFO_SUFFIX) == -1)
usage("<path>" INFO_SUFFIX " too long for sun_path");
if (snprintf(pluto_lock, sizeof(pluto_lock)
, "%s%s", optarg, LOCK_SUFFIX) == -1)
usage("<path>" LOCK_SUFFIX " must fit");
continue;
case 's': /* --secretsfile <secrets-file> */
shared_secrets_file = optarg;
continue;
case 'f': /* --policygroupsdir <policygroups-dir> */
policygroups_dir = optarg;
continue;
case 'a': /* --adns <pathname> */
pluto_adns_option = optarg;
continue;
case 'm': /* --pkcs11module <pathname> */
pkcs11_module_path = optarg;
continue;
case 'k': /* --pkcs11keepstate */
pkcs11_keep_state = TRUE;
continue;
case 'y': /* --pkcs11proxy */
pkcs11_proxy = TRUE;
continue;
case 'z': /* --pkcs11initargs */
pkcs11_init_args = optarg;
continue;
#ifdef DEBUG
case 'N': /* --debug-none */
base_debugging = DBG_NONE;
continue;
case 'A': /* --debug-all */
base_debugging = DBG_ALL;
continue;
#endif
case 'P': /* --perpeerlogbase */
base_perpeer_logdir = optarg;
continue;
case 'l':
log_to_perpeer = TRUE;
continue;
case '1': /* --nat_traversal */
nat_traversal = TRUE;
continue;
case '2': /* --keep_alive */
keep_alive = atoi(optarg);
continue;
case '3': /* --force_keepalive */
force_keepalive = TRUE;
continue;
case '4': /* --disable_port_floating */
nat_t_spf = FALSE;
continue;
case '5': /* --debug-nat_t */
base_debugging |= DBG_NATT;
continue;
case '6': /* --virtual_private */
virtual_private = optarg;
continue;
default:
#ifdef DEBUG
if (c >= DBG_OFFSET)
{
base_debugging |= c - DBG_OFFSET;
continue;
}
# undef DBG_OFFSET
#endif
bad_case(c);
}
break;
}
if (optind != argc)
usage("unexpected argument");
reset_debugging();
lockfd = create_lock();
/* select between logging methods */
if (log_to_stderr_desired)
{
log_to_syslog = FALSE;
}
else
{
log_to_stderr = FALSE;
}
/* set the logging function of pfkey debugging */
#ifdef DEBUG
pfkey_debug_func = DBG_log;
#else
pfkey_debug_func = NULL;
#endif
/* create control socket.
* We must create it before the parent process returns so that
* there will be no race condition in using it. The easiest
* place to do this is before the daemon fork.
*/
{
err_t ugh = init_ctl_socket();
if (ugh != NULL)
{
fprintf(stderr, "pluto: %s", ugh);
exit_pluto(1);
}
}
/* If not suppressed, do daemon fork */
if (fork_desired)
{
{
pid_t pid = fork();
if (pid < 0)
{
int e = errno;
fprintf(stderr, "pluto: fork failed (%d %s)\n",
errno, strerror(e));
exit_pluto(1);
}
if (pid != 0)
{
/* parent: die, after filling PID into lock file.
* must not use exit_pluto: lock would be removed!
*/
exit(fill_lock(lockfd, pid)? 0 : 1);
}
}
if (setsid() < 0)
{
int e = errno;
fprintf(stderr, "setsid() failed in main(). Errno %d: %s\n",
errno, strerror(e));
exit_pluto(1);
}
}
else
{
/* no daemon fork: we have to fill in lock file */
(void) fill_lock(lockfd, getpid());
fprintf(stdout, "Pluto initialized\n");
fflush(stdout);
}
/* Redirect stdin, stdout and stderr to /dev/null
*/
{
int fd;
if ((fd = open("/dev/null", O_RDWR)) == -1)
abort();
if (dup2(fd, 0) != 0)
abort();
if (dup2(fd, 1) != 1)
abort();
if (!log_to_stderr && dup2(fd, 2) != 2)
abort();
close(fd);
}
init_constants();
init_log("pluto");
/* Note: some scripts may look for this exact message -- don't change
* ipsec barf was one, but it no longer does.
*/
plog("Starting IKEv1 pluto daemon (strongSwan "VERSION")%s",
compile_time_interop_options);
if (lib->integrity)
{
plog("integrity tests enabled:");
plog("lib 'libstrongswan': passed file and segment integrity tests");
plog("lib 'libhydra': passed file and segment integrity tests");
plog("daemon 'pluto': passed file integrity test");
}
/* load plugins, further infrastructure may need it */
if (!lib->plugins->load(lib->plugins, NULL,
lib->settings->get_str(lib->settings, "pluto.load", PLUGINS)))
{
exit(SS_RC_INITIALIZATION_FAILED);
}
print_plugins();
init_builder();
if (!init_secret() || !init_crypto())
{
plog("initialization failed - aborting pluto");
exit_pluto(SS_RC_INITIALIZATION_FAILED);
}
init_nat_traversal(nat_traversal, keep_alive, force_keepalive, nat_t_spf);
init_virtual_ip(virtual_private);
scx_init(pkcs11_module_path, pkcs11_init_args);
init_states();
init_demux();
init_kernel();
init_adns();
init_myid();
fetch_initialize();
ac_initialize();
whack_attribute_initialize();
/* drop unneeded capabilities and change UID/GID */
prctl(PR_SET_KEEPCAPS, 1);
#ifdef IPSEC_GROUP
{
struct group group, *grp;
char buf[1024];
if (getgrnam_r(IPSEC_GROUP, &group, buf, sizeof(buf), &grp) != 0 ||
grp == NULL || setgid(grp->gr_gid) != 0)
{
plog("unable to change daemon group");
abort();
}
}
#endif
#ifdef IPSEC_USER
{
struct passwd passwd, *pwp;
char buf[1024];
if (getpwnam_r(IPSEC_USER, &passwd, buf, sizeof(buf), &pwp) != 0 ||
pwp == NULL || setuid(pwp->pw_uid) != 0)
{
plog("unable to change daemon user");
abort();
}
}
#endif
#ifdef CAPABILITIES_LIBCAP
{
cap_t caps;
caps = cap_init();
cap_set_flag(caps, CAP_EFFECTIVE, countof(keep), keep, CAP_SET);
cap_set_flag(caps, CAP_INHERITABLE, countof(keep), keep, CAP_SET);
cap_set_flag(caps, CAP_PERMITTED, countof(keep), keep, CAP_SET);
if (cap_set_proc(caps) != 0)
{
plog("unable to drop daemon capabilities");
abort();
}
cap_free(caps);
}
#endif /* CAPABILITIES_LIBCAP */
#ifdef CAPABILITIES_NATIVE
{
struct __user_cap_data_struct caps = { .effective = 0 };
struct __user_cap_header_struct header = {
.version = _LINUX_CAPABILITY_VERSION,
};
int i;
for (i = 0; i < countof(keep); i++)
{
caps.effective |= 1 << keep[i];
caps.permitted |= 1 << keep[i];
caps.inheritable |= 1 << keep[i];
}
if (capset(&header, &caps) != 0)
{
plog("unable to drop daemon capabilities");
abort();
}
}
#endif /* CAPABILITIES_NATIVE */
/* loading X.509 CA certificates */
load_authcerts("ca", CA_CERT_PATH, X509_CA);
/* loading X.509 AA certificates */
load_authcerts("aa", AA_CERT_PATH, X509_AA);
/* loading X.509 OCSP certificates */
load_authcerts("ocsp", OCSP_CERT_PATH, X509_OCSP_SIGNER);
/* loading X.509 CRLs */
load_crls();
/* loading attribute certificates (experimental) */
ac_load_certs();
lib->processor->set_threads(lib->processor,
lib->settings->get_int(lib->settings, "pluto.threads",
DEFAULT_THREADS));
daily_log_event();
call_server();
return -1; /* Shouldn't ever reach this */
}
/* leave pluto, with status.
* Once child is launched, parent must not exit this way because
* the lock would be released.
*
* 0 OK
* 1 general discomfort
* 10 lock file exists
*/
void exit_pluto(int status)
{
lib->processor->set_threads(lib->processor, 0);
reset_globals(); /* needed because we may be called in odd state */
free_preshared_secrets();
free_remembered_public_keys();
delete_every_connection();
whack_attribute_finalize(); /* free in-memory pools */
kernel_finalize();
fetch_finalize(); /* stop fetching thread */
free_crl_fetch(); /* free chain of crl fetch requests */
free_ocsp_fetch(); /* free chain of ocsp fetch requests */
free_authcerts(); /* free chain of X.509 authority certificates */
free_crls(); /* free chain of X.509 CRLs */
free_ca_infos(); /* free chain of X.509 CA information records */
free_ocsp(); /* free ocsp cache */
free_ifaces();
ac_finalize(); /* free X.509 attribute certificates */
scx_finalize(); /* finalize and unload PKCS #11 module */
stop_adns();
free_md_pool();
free_crypto();
free_myid(); /* free myids */
free_events(); /* free remaining events */
free_vendorid(); /* free all vendor id records */
free_builder();
delete_lock();
options->destroy(options);
pluto_deinit();
lib->plugins->unload(lib->plugins);
libhydra_deinit();
library_deinit();
close_log();
exit(status);
}
/**
* Described in header.
*/
bool libimcv_init(bool is_imv)
{
/* initialize libstrongswan library only once */
if (lib)
{
/* did main program initialize libstrongswan? */
if (libstrongswan_ref == 0)
{
ref_get(&libstrongswan_ref);
}
}
else
{
/* we are the first to initialize libstrongswan */
if (!library_init(NULL, "libimcv"))
{
return FALSE;
}
/* set the debug level and stderr output */
imcv_debug_level = lib->settings->get_int(lib->settings,
"libimcv.debug_level", IMCV_DEBUG_LEVEL);
imcv_stderr_quiet = lib->settings->get_int(lib->settings,
"libimcv.stderr_quiet", FALSE);
/* activate the imcv debugging hook */
dbg = imcv_dbg;
#ifdef HAVE_SYSLOG
openlog("imcv", 0, LOG_DAEMON);
#endif
if (!lib->plugins->load(lib->plugins,
lib->settings->get_str(lib->settings, "libimcv.load",
"random nonce gmp pubkey x509")))
{
library_deinit();
return FALSE;
}
}
ref_get(&libstrongswan_ref);
lib->settings->add_fallback(lib->settings, "%s.imcv", "libimcv", lib->ns);
lib->settings->add_fallback(lib->settings, "%s.plugins", "libimcv.plugins",
lib->ns);
if (libimcv_ref == 0)
{
char *uri, *script;
/* initialize the PA-TNC attribute manager */
imcv_pa_tnc_attributes = pa_tnc_attr_manager_create();
imcv_pa_tnc_attributes->add_vendor(imcv_pa_tnc_attributes, PEN_IETF,
ietf_attr_create_from_data, ietf_attr_names);
imcv_pa_tnc_attributes->add_vendor(imcv_pa_tnc_attributes, PEN_ITA,
ita_attr_create_from_data, ita_attr_names);
imcv_pa_tnc_attributes->add_vendor(imcv_pa_tnc_attributes, PEN_TCG,
tcg_attr_create_from_data, tcg_attr_names);
imcv_pts_components = pts_component_manager_create();
imcv_pts_components->add_vendor(imcv_pts_components, PEN_TCG,
pts_tcg_comp_func_names, PTS_TCG_QUALIFIER_TYPE_SIZE,
pts_tcg_qualifier_flag_names, pts_tcg_qualifier_type_names);
imcv_pts_components->add_vendor(imcv_pts_components, PEN_ITA,
pts_ita_comp_func_names, PTS_ITA_QUALIFIER_TYPE_SIZE,
pts_ita_qualifier_flag_names, pts_ita_qualifier_type_names);
imcv_pts_components->add_component(imcv_pts_components, PEN_ITA,
PTS_ITA_COMP_FUNC_NAME_TGRUB,
pts_ita_comp_tgrub_create);
imcv_pts_components->add_component(imcv_pts_components, PEN_ITA,
PTS_ITA_COMP_FUNC_NAME_TBOOT,
pts_ita_comp_tboot_create);
imcv_pts_components->add_component(imcv_pts_components, PEN_ITA,
PTS_ITA_COMP_FUNC_NAME_IMA,
pts_ita_comp_ima_create);
if (is_imv)
{
/* instantiate global IMV session manager */
imcv_sessions = imv_session_manager_create();
/* instantiate and attach global IMV database if URI is valid */
uri = lib->settings->get_str(lib->settings,
"%s.imcv.database", NULL, lib->ns);
script = lib->settings->get_str(lib->settings,
"%s.imcv.policy_script", IMCV_DEFAULT_POLICY_SCRIPT,
lib->ns);
if (uri)
{
imcv_db = imv_database_create(uri, script);
}
}
DBG1(DBG_LIB, "libimcv initialized");
}
ref_get(&libimcv_ref);
return TRUE;
}
/**
* @brief main of scepclient
*
* @param argc number of arguments
* @param argv pointer to the argument values
*/
int main(int argc, char **argv)
{
/* external values */
extern char * optarg;
extern int optind;
/* type of input and output files */
typedef enum {
PKCS1 = 0x01,
PKCS10 = 0x02,
PKCS7 = 0x04,
CERT_SELF = 0x08,
CERT = 0x10,
CACERT_ENC = 0x20,
CACERT_SIG = 0x40
} scep_filetype_t;
/* filetype to read from, defaults to "generate a key" */
scep_filetype_t filetype_in = 0;
/* filetype to write to, no default here */
scep_filetype_t filetype_out = 0;
/* input files */
char *file_in_pkcs1 = DEFAULT_FILENAME_PKCS1;
char *file_in_cacert_enc = DEFAULT_FILENAME_CACERT_ENC;
char *file_in_cacert_sig = DEFAULT_FILENAME_CACERT_SIG;
/* output files */
char *file_out_pkcs1 = DEFAULT_FILENAME_PKCS1;
char *file_out_pkcs10 = DEFAULT_FILENAME_PKCS10;
char *file_out_pkcs7 = DEFAULT_FILENAME_PKCS7;
char *file_out_cert_self = DEFAULT_FILENAME_CERT_SELF;
char *file_out_cert = DEFAULT_FILENAME_CERT;
char *file_out_prefix_cacert = DEFAULT_FILENAME_PREFIX_CACERT;
/* by default user certificate is requested */
bool request_ca_certificate = FALSE;
/* by default existing files are not overwritten */
bool force = FALSE;
/* length of RSA key in bits */
u_int rsa_keylength = DEFAULT_RSA_KEY_LENGTH;
/* validity of self-signed certificate */
time_t validity = DEFAULT_CERT_VALIDITY;
time_t notBefore = 0;
time_t notAfter = 0;
/* distinguished name for requested certificate, ASCII format */
char *distinguishedName = NULL;
/* challenge password */
char challenge_password_buffer[MAX_PASSWORD_LENGTH];
/* symmetric encryption algorithm used by pkcs7, default is 3DES */
int pkcs7_symmetric_cipher = OID_3DES_EDE_CBC;
/* digest algorithm used by pkcs7, default is SHA-1 */
int pkcs7_digest_alg = OID_SHA1;
/* signature algorithm used by pkcs10, default is SHA-1 */
hash_algorithm_t pkcs10_signature_alg = HASH_SHA1;
/* URL of the SCEP-Server */
char *scep_url = NULL;
/* http request method, default is GET */
bool http_get_request = TRUE;
/* poll interval time in manual mode in seconds */
u_int poll_interval = DEFAULT_POLL_INTERVAL;
/* maximum poll time */
u_int max_poll_time = 0;
err_t ugh = NULL;
/* initialize library */
if (!library_init(NULL))
{
library_deinit();
exit(SS_RC_LIBSTRONGSWAN_INTEGRITY);
}
if (lib->integrity &&
!lib->integrity->check_file(lib->integrity, "scepclient", argv[0]))
{
fprintf(stderr, "integrity check of scepclient failed\n");
library_deinit();
exit(SS_RC_DAEMON_INTEGRITY);
}
/* initialize global variables */
pkcs1 = chunk_empty;
pkcs7 = chunk_empty;
serialNumber = chunk_empty;
transID = chunk_empty;
fingerprint = chunk_empty;
encoding = chunk_empty;
pkcs10_encoding = chunk_empty;
issuerAndSubject = chunk_empty;
challengePassword = chunk_empty;
getCertInitial = chunk_empty;
scep_response = chunk_empty;
subjectAltNames = linked_list_create();
options = options_create();
log_to_stderr = TRUE;
for (;;)
{
static const struct option long_opts[] = {
/* name, has_arg, flag, val */
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'v' },
{ "optionsfrom", required_argument, NULL, '+' },
{ "quiet", no_argument, NULL, 'q' },
{ "in", required_argument, NULL, 'i' },
{ "out", required_argument, NULL, 'o' },
{ "force", no_argument, NULL, 'f' },
{ "keylength", required_argument, NULL, 'k' },
{ "dn", required_argument, NULL, 'd' },
{ "days", required_argument, NULL, 'D' },
{ "startdate", required_argument, NULL, 'S' },
{ "enddate", required_argument, NULL, 'E' },
{ "subjectAltName", required_argument, NULL, 's' },
{ "password", required_argument, NULL, 'p' },
{ "algorithm", required_argument, NULL, 'a' },
{ "url", required_argument, NULL, 'u' },
{ "method", required_argument, NULL, 'm' },
{ "interval", required_argument, NULL, 't' },
{ "maxpolltime", required_argument, NULL, 'x' },
#ifdef DEBUG
{ "debug-all", no_argument, NULL, 'A' },
{ "debug-parsing", no_argument, NULL, 'P'},
{ "debug-raw", no_argument, NULL, 'R'},
{ "debug-control", no_argument, NULL, 'C'},
{ "debug-controlmore", no_argument, NULL, 'M'},
{ "debug-private", no_argument, NULL, 'X'},
#endif
{ 0,0,0,0 }
};
/* parse next option */
int c = getopt_long(argc, argv, "hv+:qi:o:fk:d:s:p:a:u:m:t:x:APRCMS", long_opts, NULL);
switch (c)
{
case EOF: /* end of flags */
break;
case 'h': /* --help */
usage(NULL);
case 'v': /* --version */
version();
case 'q': /* --quiet */
log_to_stderr = FALSE;
continue;
case 'i': /* --in <type> [= <filename>] */
{
char *filename = strstr(optarg, "=");
if (filename)
{
/* replace '=' by '\0' */
*filename = '\0';
/* set pointer to start of filename */
filename++;
}
if (strcaseeq("pkcs1", optarg))
{
filetype_in |= PKCS1;
if (filename)
file_in_pkcs1 = filename;
}
else if (strcaseeq("cacert-enc", optarg))
{
filetype_in |= CACERT_ENC;
if (filename)
file_in_cacert_enc = filename;
}
else if (strcaseeq("cacert-sig", optarg))
{
filetype_in |= CACERT_SIG;
if (filename)
file_in_cacert_sig = filename;
}
else
{
usage("invalid --in file type");
}
continue;
}
case 'o': /* --out <type> [= <filename>] */
{
char *filename = strstr(optarg, "=");
if (filename)
{
/* replace '=' by '\0' */
*filename = '\0';
/* set pointer to start of filename */
filename++;
}
if (strcaseeq("pkcs1", optarg))
{
filetype_out |= PKCS1;
if (filename)
file_out_pkcs1 = filename;
}
else if (strcaseeq("pkcs10", optarg))
{
filetype_out |= PKCS10;
if (filename)
file_out_pkcs10 = filename;
}
else if (strcaseeq("pkcs7", optarg))
{
filetype_out |= PKCS7;
if (filename)
file_out_pkcs7 = filename;
}
else if (strcaseeq("cert-self", optarg))
{
filetype_out |= CERT_SELF;
if (filename)
file_out_cert_self = filename;
}
else if (strcaseeq("cert", optarg))
{
filetype_out |= CERT;
if (filename)
file_out_cert = filename;
}
else if (strcaseeq("cacert", optarg))
{
request_ca_certificate = TRUE;
if (filename)
file_out_prefix_cacert = filename;
}
else
{
usage("invalid --out file type");
}
continue;
}
case 'f': /* --force */
force = TRUE;
continue;
case '+': /* --optionsfrom <filename> */
if (!options->from(options, optarg, &argc, &argv, optind))
{
exit_scepclient("optionsfrom failed");
}
continue;
case 'k': /* --keylength <length> */
{
div_t q;
rsa_keylength = atoi(optarg);
if (rsa_keylength == 0)
usage("invalid keylength");
/* check if key length is a multiple of 8 bits */
q = div(rsa_keylength, 2*BITS_PER_BYTE);
if (q.rem != 0)
{
exit_scepclient("keylength is not a multiple of %d bits!"
, 2*BITS_PER_BYTE);
}
continue;
}
case 'D': /* --days */
if (optarg == NULL || !isdigit(optarg[0]))
usage("missing number of days");
{
char *endptr;
long days = strtol(optarg, &endptr, 0);
if (*endptr != '\0' || endptr == optarg
|| days <= 0)
usage("<days> must be a positive number");
validity = 24*3600*days;
}
continue;
case 'S': /* --startdate */
if (optarg == NULL || strlen(optarg) != 13 || optarg[12] != 'Z')
usage("date format must be YYMMDDHHMMSSZ");
{
chunk_t date = { optarg, 13 };
notBefore = asn1_to_time(&date, ASN1_UTCTIME);
}
continue;
case 'E': /* --enddate */
if (optarg == NULL || strlen(optarg) != 13 || optarg[12] != 'Z')
usage("date format must be YYMMDDHHMMSSZ");
{
chunk_t date = { optarg, 13 };
notAfter = asn1_to_time(&date, ASN1_UTCTIME);
}
continue;
case 'd': /* --dn */
if (distinguishedName)
usage("only one distinguished name allowed");
distinguishedName = optarg;
continue;
case 's': /* --subjectAltName */
{
char *value = strstr(optarg, "=");
if (value)
{
/* replace '=' by '\0' */
*value = '\0';
/* set pointer to start of value */
value++;
}
if (strcaseeq("email", optarg) ||
strcaseeq("dns", optarg) ||
strcaseeq("ip", optarg))
{
subjectAltNames->insert_last(subjectAltNames,
identification_create_from_string(value));
continue;
}
else
{
usage("invalid --subjectAltName type");
continue;
}
}
case 'p': /* --password */
if (challengePassword.len > 0)
{
usage("only one challenge password allowed");
}
if (strcaseeq("%prompt", optarg))
{
printf("Challenge password: "******"challenge password could not be read");
}
}
else
{
challengePassword.ptr = optarg;
challengePassword.len = strlen(optarg);
}
continue;
case 'u': /* -- url */
if (scep_url)
{
usage("only one URL argument allowed");
}
scep_url = optarg;
continue;
case 'm': /* --method */
if (strcaseeq("get", optarg))
{
http_get_request = TRUE;
}
else if (strcaseeq("post", optarg))
{
http_get_request = FALSE;
}
else
{
usage("invalid http request method specified");
}
continue;
case 't': /* --interval */
poll_interval = atoi(optarg);
if (poll_interval <= 0)
{
usage("invalid interval specified");
}
continue;
case 'x': /* --maxpolltime */
max_poll_time = atoi(optarg);
if (max_poll_time < 0)
{
usage("invalid maxpolltime specified");
}
continue;
case 'a': /*--algorithm */
{
const proposal_token_t *token;
token = proposal_get_token(optarg, strlen(optarg));
if (token == NULL || token->type != ENCRYPTION_ALGORITHM)
{
usage("invalid algorithm specified");
}
pkcs7_symmetric_cipher = encryption_algorithm_to_oid(
token->algorithm, token->keysize);
if (pkcs7_symmetric_cipher == OID_UNKNOWN)
{
usage("unsupported encryption algorithm specified");
}
continue;
}
#ifdef DEBUG
case 'A': /* --debug-all */
base_debugging |= DBG_ALL;
continue;
case 'P': /* debug parsing */
base_debugging |= DBG_PARSING;
continue;
case 'R': /* debug raw */
base_debugging |= DBG_RAW;
continue;
case 'C': /* debug control */
base_debugging |= DBG_CONTROL;
continue;
case 'M': /* debug control more */
base_debugging |= DBG_CONTROLMORE;
continue;
case 'X': /* debug private */
base_debugging |= DBG_PRIVATE;
continue;
#endif
default:
usage("unknown option");
}
/* break from loop */
break;
}
cur_debugging = base_debugging;
init_log("scepclient");
/* load plugins, further infrastructure may need it */
if (!lib->plugins->load(lib->plugins, NULL,
lib->settings->get_str(lib->settings, "scepclient.load", PLUGINS)))
{
exit_scepclient("plugin loading failed");
}
print_plugins();
if ((filetype_out == 0) && (!request_ca_certificate))
{
usage ("--out filetype required");
}
if (request_ca_certificate && (filetype_out > 0 || filetype_in > 0))
{
usage("in CA certificate request, no other --in or --out option allowed");
}
/* check if url is given, if cert output defined */
if (((filetype_out & CERT) || request_ca_certificate) && !scep_url)
{
usage("URL of SCEP server required");
}
/* check for sanity of --in/--out */
if (!filetype_in && (filetype_in > filetype_out))
{
usage("cannot generate --out of given --in!");
}
/*
* input of PKCS#1 file
*/
if (filetype_in & PKCS1) /* load an RSA key pair from file */
{
char *path = concatenate_paths(PRIVATE_KEY_PATH, file_in_pkcs1);
private_key = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, KEY_RSA,
BUILD_FROM_FILE, path, BUILD_END);
}
else /* generate an RSA key pair */
{
private_key = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, KEY_RSA,
BUILD_KEY_SIZE, rsa_keylength,
BUILD_END);
}
if (private_key == NULL)
{
exit_scepclient("no RSA private key available");
}
public_key = private_key->get_public_key(private_key);
/* check for minimum key length */
if (private_key->get_keysize(private_key) < RSA_MIN_OCTETS / BITS_PER_BYTE)
{
exit_scepclient("length of RSA key has to be at least %d bits"
,RSA_MIN_OCTETS * BITS_PER_BYTE);
}
/*
* input of PKCS#10 file
*/
if (filetype_in & PKCS10)
{
/* user wants to load a pkcs10 request
* operation is not yet supported
* would require a PKCS#10 parsing function
pkcs10 = pkcs10_read_from_file(file_in_pkcs10);
*/
}
else
{
if (distinguishedName == NULL)
{
char buf[BUF_LEN];
int n = sprintf(buf, DEFAULT_DN);
/* set the common name to the hostname */
if (gethostname(buf + n, BUF_LEN - n) || strlen(buf) == n)
{
exit_scepclient("no hostname defined, use "
"--dn <distinguished name> option");
}
distinguishedName = buf;
}
DBG(DBG_CONTROL,
DBG_log("dn: '%s'", distinguishedName);
)
subject = identification_create_from_string(distinguishedName);
if (subject->get_type(subject) != ID_DER_ASN1_DN)
{
exit_scepclient("parsing of distinguished name failed");
}
DBG(DBG_CONTROL,
DBG_log("building pkcs10 object:")
)
pkcs10_req = lib->creds->create(lib->creds, CRED_CERTIFICATE,
CERT_PKCS10_REQUEST,
BUILD_SIGNING_KEY, private_key,
BUILD_SUBJECT, subject,
BUILD_SUBJECT_ALTNAMES, subjectAltNames,
BUILD_CHALLENGE_PWD, challengePassword,
BUILD_DIGEST_ALG, pkcs10_signature_alg,
BUILD_END);
if (!pkcs10_req)
{
exit_scepclient("generating pkcs10 request failed");
}
pkcs10_req->get_encoding(pkcs10_req, CERT_ASN1_DER, &pkcs10_encoding);
fingerprint = scep_generate_pkcs10_fingerprint(pkcs10_encoding);
plog(" fingerprint: %s", fingerprint.ptr);
}
/**
* @brief main of scepclient
*
* @param argc number of arguments
* @param argv pointer to the argument values
*/
int main(int argc, char **argv)
{
/* external values */
extern char * optarg;
extern int optind;
/* type of input and output files */
typedef enum {
PKCS1 = 0x01,
PKCS10 = 0x02,
PKCS7 = 0x04,
CERT_SELF = 0x08,
CERT = 0x10,
CACERT_ENC = 0x20,
CACERT_SIG = 0x40,
} scep_filetype_t;
/* filetype to read from, defaults to "generate a key" */
scep_filetype_t filetype_in = 0;
/* filetype to write to, no default here */
scep_filetype_t filetype_out = 0;
/* input files */
char *file_in_pkcs1 = DEFAULT_FILENAME_PKCS1;
char *file_in_pkcs10 = DEFAULT_FILENAME_PKCS10;
char *file_in_cert_self = DEFAULT_FILENAME_CERT_SELF;
char *file_in_cacert_enc = DEFAULT_FILENAME_CACERT_ENC;
char *file_in_cacert_sig = DEFAULT_FILENAME_CACERT_SIG;
/* output files */
char *file_out_pkcs1 = DEFAULT_FILENAME_PKCS1;
char *file_out_pkcs10 = DEFAULT_FILENAME_PKCS10;
char *file_out_pkcs7 = DEFAULT_FILENAME_PKCS7;
char *file_out_cert_self = DEFAULT_FILENAME_CERT_SELF;
char *file_out_cert = DEFAULT_FILENAME_CERT;
char *file_out_ca_cert = DEFAULT_FILENAME_CACERT_ENC;
/* by default user certificate is requested */
bool request_ca_certificate = FALSE;
/* by default existing files are not overwritten */
bool force = FALSE;
/* length of RSA key in bits */
u_int rsa_keylength = DEFAULT_RSA_KEY_LENGTH;
/* validity of self-signed certificate */
time_t validity = DEFAULT_CERT_VALIDITY;
time_t notBefore = 0;
time_t notAfter = 0;
/* distinguished name for requested certificate, ASCII format */
char *distinguishedName = NULL;
/* challenge password */
char challenge_password_buffer[MAX_PASSWORD_LENGTH];
/* symmetric encryption algorithm used by pkcs7, default is DES */
encryption_algorithm_t pkcs7_symmetric_cipher = ENCR_DES;
size_t pkcs7_key_size = 0;
/* digest algorithm used by pkcs7, default is MD5 */
hash_algorithm_t pkcs7_digest_alg = HASH_MD5;
/* signature algorithm used by pkcs10, default is MD5 */
hash_algorithm_t pkcs10_signature_alg = HASH_MD5;
/* URL of the SCEP-Server */
char *scep_url = NULL;
/* Name of CA to fetch CA certs for */
char *ca_name = "CAIdentifier";
/* http request method, default is GET */
bool http_get_request = TRUE;
/* poll interval time in manual mode in seconds */
u_int poll_interval = DEFAULT_POLL_INTERVAL;
/* maximum poll time */
u_int max_poll_time = 0;
err_t ugh = NULL;
/* initialize library */
if (!library_init(NULL))
{
library_deinit();
exit(SS_RC_LIBSTRONGSWAN_INTEGRITY);
}
if (lib->integrity &&
!lib->integrity->check_file(lib->integrity, "scepclient", argv[0]))
{
fprintf(stderr, "integrity check of scepclient failed\n");
library_deinit();
exit(SS_RC_DAEMON_INTEGRITY);
}
/* initialize global variables */
pkcs1 = chunk_empty;
pkcs7 = chunk_empty;
serialNumber = chunk_empty;
transID = chunk_empty;
fingerprint = chunk_empty;
encoding = chunk_empty;
pkcs10_encoding = chunk_empty;
issuerAndSubject = chunk_empty;
challengePassword = chunk_empty;
getCertInitial = chunk_empty;
scep_response = chunk_empty;
subjectAltNames = linked_list_create();
options = options_create();
for (;;)
{
static const struct option long_opts[] = {
/* name, has_arg, flag, val */
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'v' },
{ "optionsfrom", required_argument, NULL, '+' },
{ "quiet", no_argument, NULL, 'q' },
{ "debug", required_argument, NULL, 'l' },
{ "in", required_argument, NULL, 'i' },
{ "out", required_argument, NULL, 'o' },
{ "force", no_argument, NULL, 'f' },
{ "httptimeout", required_argument, NULL, 'T' },
{ "keylength", required_argument, NULL, 'k' },
{ "dn", required_argument, NULL, 'd' },
{ "days", required_argument, NULL, 'D' },
{ "startdate", required_argument, NULL, 'S' },
{ "enddate", required_argument, NULL, 'E' },
{ "subjectAltName", required_argument, NULL, 's' },
{ "password", required_argument, NULL, 'p' },
{ "algorithm", required_argument, NULL, 'a' },
{ "url", required_argument, NULL, 'u' },
{ "caname", required_argument, NULL, 'c'},
{ "method", required_argument, NULL, 'm' },
{ "interval", required_argument, NULL, 't' },
{ "maxpolltime", required_argument, NULL, 'x' },
{ 0,0,0,0 }
};
/* parse next option */
int c = getopt_long(argc, argv, "hv+:qi:o:fk:d:s:p:a:u:c:m:t:x:APRCMS", long_opts, NULL);
switch (c)
{
case EOF: /* end of flags */
break;
case 'h': /* --help */
usage(NULL);
case 'v': /* --version */
version();
case 'q': /* --quiet */
log_to_stderr = FALSE;
continue;
case 'l': /* --debug <level> */
default_loglevel = atoi(optarg);
continue;
case 'i': /* --in <type> [= <filename>] */
{
char *filename = strstr(optarg, "=");
if (filename)
{
/* replace '=' by '\0' */
*filename = '\0';
/* set pointer to start of filename */
filename++;
}
if (strcaseeq("pkcs1", optarg))
{
filetype_in |= PKCS1;
if (filename)
file_in_pkcs1 = filename;
}
else if (strcaseeq("pkcs10", optarg))
{
filetype_in |= PKCS10;
if (filename)
file_in_pkcs10 = filename;
}
else if (strcaseeq("cacert-enc", optarg))
{
filetype_in |= CACERT_ENC;
if (filename)
file_in_cacert_enc = filename;
}
else if (strcaseeq("cacert-sig", optarg))
{
filetype_in |= CACERT_SIG;
if (filename)
file_in_cacert_sig = filename;
}
else if (strcaseeq("cert-self", optarg))
{
filetype_in |= CERT_SELF;
if (filename)
file_in_cert_self = filename;
}
else
{
usage("invalid --in file type");
}
continue;
}
case 'o': /* --out <type> [= <filename>] */
{
char *filename = strstr(optarg, "=");
if (filename)
{
/* replace '=' by '\0' */
*filename = '\0';
/* set pointer to start of filename */
filename++;
}
if (strcaseeq("pkcs1", optarg))
{
filetype_out |= PKCS1;
if (filename)
file_out_pkcs1 = filename;
}
else if (strcaseeq("pkcs10", optarg))
{
filetype_out |= PKCS10;
if (filename)
file_out_pkcs10 = filename;
}
else if (strcaseeq("pkcs7", optarg))
{
filetype_out |= PKCS7;
if (filename)
file_out_pkcs7 = filename;
}
else if (strcaseeq("cert-self", optarg))
{
filetype_out |= CERT_SELF;
if (filename)
file_out_cert_self = filename;
}
else if (strcaseeq("cert", optarg))
{
filetype_out |= CERT;
if (filename)
file_out_cert = filename;
}
else if (strcaseeq("cacert", optarg))
{
request_ca_certificate = TRUE;
if (filename)
file_out_ca_cert = filename;
}
else
{
usage("invalid --out file type");
}
continue;
}
case 'f': /* --force */
force = TRUE;
continue;
case 'T': /* --httptimeout */
http_timeout = atoi(optarg);
if (http_timeout <= 0)
{
usage("invalid httptimeout specified");
}
continue;
case '+': /* --optionsfrom <filename> */
if (!options->from(options, optarg, &argc, &argv, optind))
{
exit_scepclient("optionsfrom failed");
}
continue;
case 'k': /* --keylength <length> */
{
div_t q;
rsa_keylength = atoi(optarg);
if (rsa_keylength == 0)
usage("invalid keylength");
/* check if key length is a multiple of 8 bits */
q = div(rsa_keylength, 2*BITS_PER_BYTE);
if (q.rem != 0)
{
exit_scepclient("keylength is not a multiple of %d bits!"
, 2*BITS_PER_BYTE);
}
continue;
}
case 'D': /* --days */
if (optarg == NULL || !isdigit(optarg[0]))
{
usage("missing number of days");
}
else
{
char *endptr;
long days = strtol(optarg, &endptr, 0);
if (*endptr != '\0' || endptr == optarg
|| days <= 0)
usage("<days> must be a positive number");
validity = 24*3600*days;
}
continue;
case 'S': /* --startdate */
if (optarg == NULL || strlen(optarg) != 13 || optarg[12] != 'Z')
{
usage("date format must be YYMMDDHHMMSSZ");
}
else
{
chunk_t date = { optarg, 13 };
notBefore = asn1_to_time(&date, ASN1_UTCTIME);
}
continue;
case 'E': /* --enddate */
if (optarg == NULL || strlen(optarg) != 13 || optarg[12] != 'Z')
{
usage("date format must be YYMMDDHHMMSSZ");
}
else
{
chunk_t date = { optarg, 13 };
notAfter = asn1_to_time(&date, ASN1_UTCTIME);
}
continue;
case 'd': /* --dn */
if (distinguishedName)
{
usage("only one distinguished name allowed");
}
distinguishedName = optarg;
continue;
case 's': /* --subjectAltName */
{
char *value = strstr(optarg, "=");
if (value)
{
/* replace '=' by '\0' */
*value = '\0';
/* set pointer to start of value */
value++;
}
if (strcaseeq("email", optarg) ||
strcaseeq("dns", optarg) ||
strcaseeq("ip", optarg))
{
subjectAltNames->insert_last(subjectAltNames,
identification_create_from_string(value));
continue;
}
else
{
usage("invalid --subjectAltName type");
continue;
}
}
case 'p': /* --password */
if (challengePassword.len > 0)
{
usage("only one challenge password allowed");
}
if (strcaseeq("%prompt", optarg))
{
printf("Challenge password: "******"challenge password could not be read");
}
}
else
{
challengePassword.ptr = optarg;
challengePassword.len = strlen(optarg);
}
continue;
case 'u': /* -- url */
if (scep_url)
{
usage("only one URL argument allowed");
}
scep_url = optarg;
continue;
case 'c': /* -- caname */
ca_name = optarg;
continue;
case 'm': /* --method */
if (strcaseeq("get", optarg))
{
http_get_request = TRUE;
}
else if (strcaseeq("post", optarg))
{
http_get_request = FALSE;
}
else
{
usage("invalid http request method specified");
}
continue;
case 't': /* --interval */
poll_interval = atoi(optarg);
if (poll_interval <= 0)
{
usage("invalid interval specified");
}
continue;
case 'x': /* --maxpolltime */
max_poll_time = atoi(optarg);
continue;
case 'a': /*--algorithm [<type>=]algo */
{
const proposal_token_t *token;
char *type = optarg;
char *algo = strstr(optarg, "=");
if (algo)
{
*algo = '\0';
algo++;
}
else
{
type = "enc";
algo = optarg;
}
if (strcaseeq("enc", type))
{
token = lib->proposal->get_token(lib->proposal, algo);
if (token == NULL || token->type != ENCRYPTION_ALGORITHM)
{
usage("invalid algorithm specified");
}
pkcs7_symmetric_cipher = token->algorithm;
pkcs7_key_size = token->keysize;
if (encryption_algorithm_to_oid(token->algorithm,
token->keysize) == OID_UNKNOWN)
{
usage("unsupported encryption algorithm specified");
}
}
else if (strcaseeq("dgst", type) ||
strcaseeq("sig", type))
{
hash_algorithm_t hash;
token = lib->proposal->get_token(lib->proposal, algo);
if (token == NULL || token->type != INTEGRITY_ALGORITHM)
{
usage("invalid algorithm specified");
}
hash = hasher_algorithm_from_integrity(token->algorithm,
NULL);
if (hash == OID_UNKNOWN)
{
usage("invalid algorithm specified");
}
if (strcaseeq("dgst", type))
{
pkcs7_digest_alg = hash;
}
else
{
pkcs10_signature_alg = hash;
}
}
else
{
usage("invalid --algorithm type");
}
continue;
}
default:
usage("unknown option");
}
/* break from loop */
break;
}
init_log("scepclient");
/* load plugins, further infrastructure may need it */
if (!lib->plugins->load(lib->plugins, NULL,
lib->settings->get_str(lib->settings, "scepclient.load", PLUGINS)))
{
exit_scepclient("plugin loading failed");
}
DBG1(DBG_APP, " loaded plugins: %s",
lib->plugins->loaded_plugins(lib->plugins));
if ((filetype_out == 0) && (!request_ca_certificate))
{
usage("--out filetype required");
}
if (request_ca_certificate && (filetype_out > 0 || filetype_in > 0))
{
usage("in CA certificate request, no other --in or --out option allowed");
}
/* check if url is given, if cert output defined */
if (((filetype_out & CERT) || request_ca_certificate) && !scep_url)
{
usage("URL of SCEP server required");
}
/* check for sanity of --in/--out */
if (!filetype_in && (filetype_in > filetype_out))
{
usage("cannot generate --out of given --in!");
}
/* get CA cert */
if (request_ca_certificate)
{
char ca_path[PATH_MAX];
container_t *container;
pkcs7_t *pkcs7;
if (!scep_http_request(scep_url, chunk_create(ca_name, strlen(ca_name)),
SCEP_GET_CA_CERT, http_get_request,
http_timeout, &scep_response))
{
exit_scepclient("did not receive a valid scep response");
}
join_paths(ca_path, sizeof(ca_path), CA_CERT_PATH, file_out_ca_cert);
pkcs7 = lib->creds->create(lib->creds, CRED_CONTAINER, CONTAINER_PKCS7,
BUILD_BLOB_ASN1_DER, scep_response, BUILD_END);
if (!pkcs7)
{ /* no PKCS#7 encoded CA+RA certificates, assume simple CA cert */
DBG1(DBG_APP, "unable to parse PKCS#7, assuming plain CA cert");
if (!chunk_write(scep_response, ca_path, "ca cert", 0022, force))
{
exit_scepclient("could not write ca cert file '%s'", ca_path);
}
}
else
{
enumerator_t *enumerator;
certificate_t *cert;
int ra_certs = 0, ca_certs = 0;
int ra_index = 1, ca_index = 1;
enumerator = pkcs7->create_cert_enumerator(pkcs7);
while (enumerator->enumerate(enumerator, &cert))
{
x509_t *x509 = (x509_t*)cert;
if (x509->get_flags(x509) & X509_CA)
{
ca_certs++;
}
else
{
ra_certs++;
}
}
enumerator->destroy(enumerator);
enumerator = pkcs7->create_cert_enumerator(pkcs7);
while (enumerator->enumerate(enumerator, &cert))
{
x509_t *x509 = (x509_t*)cert;
bool ca_cert = x509->get_flags(x509) & X509_CA;
char cert_path[PATH_MAX], *path = ca_path;
if (ca_cert && ca_certs > 1)
{
add_path_suffix(cert_path, sizeof(cert_path), ca_path,
"-%.1d", ca_index++);
path = cert_path;
}
else if (!ca_cert)
{ /* use CA name as base for RA certs */
if (ra_certs > 1)
{
add_path_suffix(cert_path, sizeof(cert_path), ca_path,
"-ra-%.1d", ra_index++);
}
else
{
add_path_suffix(cert_path, sizeof(cert_path), ca_path,
"-ra");
}
path = cert_path;
}
if (!cert->get_encoding(cert, CERT_ASN1_DER, &encoding) ||
!chunk_write(encoding, path,
ca_cert ? "ca cert" : "ra cert", 0022, force))
{
exit_scepclient("could not write cert file '%s'", path);
}
chunk_free(&encoding);
}
enumerator->destroy(enumerator);
container = &pkcs7->container;
container->destroy(container);
}
exit_scepclient(NULL); /* no further output required */
}
creds = mem_cred_create();
lib->credmgr->add_set(lib->credmgr, &creds->set);
/*
* input of PKCS#1 file
*/
if (filetype_in & PKCS1) /* load an RSA key pair from file */
{
char path[PATH_MAX];
join_paths(path, sizeof(path), PRIVATE_KEY_PATH, file_in_pkcs1);
private_key = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, KEY_RSA,
BUILD_FROM_FILE, path, BUILD_END);
}
else /* generate an RSA key pair */
{
private_key = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, KEY_RSA,
BUILD_KEY_SIZE, rsa_keylength,
BUILD_END);
}
if (private_key == NULL)
{
exit_scepclient("no RSA private key available");
}
creds->add_key(creds, private_key->get_ref(private_key));
public_key = private_key->get_public_key(private_key);
/* check for minimum key length */
if (private_key->get_keysize(private_key) < RSA_MIN_OCTETS / BITS_PER_BYTE)
{
exit_scepclient("length of RSA key has to be at least %d bits",
RSA_MIN_OCTETS * BITS_PER_BYTE);
}
/*
* input of PKCS#10 file
*/
if (filetype_in & PKCS10)
{
char path[PATH_MAX];
join_paths(path, sizeof(path), REQ_PATH, file_in_pkcs10);
pkcs10_req = lib->creds->create(lib->creds, CRED_CERTIFICATE,
CERT_PKCS10_REQUEST, BUILD_FROM_FILE,
path, BUILD_END);
if (!pkcs10_req)
{
exit_scepclient("could not read certificate request '%s'", path);
}
subject = pkcs10_req->get_subject(pkcs10_req);
subject = subject->clone(subject);
}
else
{
if (distinguishedName == NULL)
{
char buf[BUF_LEN];
int n = sprintf(buf, DEFAULT_DN);
/* set the common name to the hostname */
if (gethostname(buf + n, BUF_LEN - n) || strlen(buf) == n)
{
exit_scepclient("no hostname defined, use "
"--dn <distinguished name> option");
}
distinguishedName = buf;
}
DBG2(DBG_APP, "dn: '%s'", distinguishedName);
subject = identification_create_from_string(distinguishedName);
if (subject->get_type(subject) != ID_DER_ASN1_DN)
{
exit_scepclient("parsing of distinguished name failed");
}
DBG2(DBG_APP, "building pkcs10 object:");
pkcs10_req = lib->creds->create(lib->creds, CRED_CERTIFICATE,
CERT_PKCS10_REQUEST,
BUILD_SIGNING_KEY, private_key,
BUILD_SUBJECT, subject,
BUILD_SUBJECT_ALTNAMES, subjectAltNames,
BUILD_CHALLENGE_PWD, challengePassword,
BUILD_DIGEST_ALG, pkcs10_signature_alg,
BUILD_END);
if (!pkcs10_req)
{
exit_scepclient("generating pkcs10 request failed");
}
}
pkcs10_req->get_encoding(pkcs10_req, CERT_ASN1_DER, &pkcs10_encoding);
fingerprint = scep_generate_pkcs10_fingerprint(pkcs10_encoding);
DBG1(DBG_APP, " fingerprint: %s", fingerprint.ptr);
/*
* output of PKCS#10 file
*/
if (filetype_out & PKCS10)
{
char path[PATH_MAX];
join_paths(path, sizeof(path), REQ_PATH, file_out_pkcs10);
if (!chunk_write(pkcs10_encoding, path, "pkcs10", 0022, force))
{
exit_scepclient("could not write pkcs10 file '%s'", path);
}
filetype_out &= ~PKCS10; /* delete PKCS10 flag */
}
if (!filetype_out)
{
exit_scepclient(NULL); /* no further output required */
}
/*
* output of PKCS#1 file
*/
if (filetype_out & PKCS1)
{
char path[PATH_MAX];
join_paths(path, sizeof(path), PRIVATE_KEY_PATH, file_out_pkcs1);
DBG2(DBG_APP, "building pkcs1 object:");
if (!private_key->get_encoding(private_key, PRIVKEY_ASN1_DER, &pkcs1) ||
!chunk_write(pkcs1, path, "pkcs1", 0066, force))
{
exit_scepclient("could not write pkcs1 file '%s'", path);
}
filetype_out &= ~PKCS1; /* delete PKCS1 flag */
}
if (!filetype_out)
{
exit_scepclient(NULL); /* no further output required */
}
scep_generate_transaction_id(public_key, &transID, &serialNumber);
DBG1(DBG_APP, " transaction ID: %.*s", (int)transID.len, transID.ptr);
/*
* read or generate self-signed X.509 certificate
*/
if (filetype_in & CERT_SELF)
{
char path[PATH_MAX];
join_paths(path, sizeof(path), HOST_CERT_PATH, file_in_cert_self);
x509_signer = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
BUILD_FROM_FILE, path, BUILD_END);
if (!x509_signer)
{
exit_scepclient("could not read certificate file '%s'", path);
}
}
else
{
notBefore = notBefore ? notBefore : time(NULL);
notAfter = notAfter ? notAfter : (notBefore + validity);
x509_signer = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
BUILD_SIGNING_KEY, private_key,
BUILD_PUBLIC_KEY, public_key,
BUILD_SUBJECT, subject,
BUILD_NOT_BEFORE_TIME, notBefore,
BUILD_NOT_AFTER_TIME, notAfter,
BUILD_SERIAL, serialNumber,
BUILD_SUBJECT_ALTNAMES, subjectAltNames,
BUILD_END);
if (!x509_signer)
{
exit_scepclient("generating certificate failed");
}
}
creds->add_cert(creds, TRUE, x509_signer->get_ref(x509_signer));
/*
* output of self-signed X.509 certificate file
*/
if (filetype_out & CERT_SELF)
{
char path[PATH_MAX];
join_paths(path, sizeof(path), HOST_CERT_PATH, file_out_cert_self);
if (!x509_signer->get_encoding(x509_signer, CERT_ASN1_DER, &encoding))
{
exit_scepclient("encoding certificate failed");
}
if (!chunk_write(encoding, path, "self-signed cert", 0022, force))
{
exit_scepclient("could not write self-signed cert file '%s'", path);
}
chunk_free(&encoding);
filetype_out &= ~CERT_SELF; /* delete CERT_SELF flag */
}
if (!filetype_out)
{
exit_scepclient(NULL); /* no further output required */
}
/*
* load ca encryption certificate
*/
{
char path[PATH_MAX];
join_paths(path, sizeof(path), CA_CERT_PATH, file_in_cacert_enc);
x509_ca_enc = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
BUILD_FROM_FILE, path, BUILD_END);
if (!x509_ca_enc)
{
exit_scepclient("could not load encryption cacert file '%s'", path);
}
}
/*
* input of PKCS#7 file
*/
if (filetype_in & PKCS7)
{
/* user wants to load a pkcs7 encrypted request
* operation is not yet supported!
* would require additional parsing of transaction-id
pkcs7 = pkcs7_read_from_file(file_in_pkcs7);
*/
}
else
{
DBG2(DBG_APP, "building pkcs7 request");
pkcs7 = scep_build_request(pkcs10_encoding,
transID, SCEP_PKCSReq_MSG, x509_ca_enc,
pkcs7_symmetric_cipher, pkcs7_key_size,
x509_signer, pkcs7_digest_alg, private_key);
if (!pkcs7.ptr)
{
exit_scepclient("failed to build pkcs7 request");
}
}
/*
* output pkcs7 encrypted and signed certificate request
*/
if (filetype_out & PKCS7)
{
char path[PATH_MAX];
join_paths(path, sizeof(path), REQ_PATH, file_out_pkcs7);
if (!chunk_write(pkcs7, path, "pkcs7 encrypted request", 0022, force))
{
exit_scepclient("could not write pkcs7 file '%s'", path);
}
filetype_out &= ~PKCS7; /* delete PKCS7 flag */
}
if (!filetype_out)
{
exit_scepclient(NULL); /* no further output required */
}
/*
* output certificate fetch from SCEP server
*/
if (filetype_out & CERT)
{
bool stored = FALSE;
certificate_t *cert;
enumerator_t *enumerator;
char path[PATH_MAX];
time_t poll_start = 0;
pkcs7_t *p7;
container_t *container = NULL;
chunk_t chunk;
scep_attributes_t attrs = empty_scep_attributes;
join_paths(path, sizeof(path), CA_CERT_PATH, file_in_cacert_sig);
x509_ca_sig = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
BUILD_FROM_FILE, path, BUILD_END);
if (!x509_ca_sig)
{
exit_scepclient("could not load signature cacert file '%s'", path);
}
creds->add_cert(creds, TRUE, x509_ca_sig->get_ref(x509_ca_sig));
if (!scep_http_request(scep_url, pkcs7, SCEP_PKI_OPERATION,
http_get_request, http_timeout, &scep_response))
{
exit_scepclient("did not receive a valid scep response");
}
ugh = scep_parse_response(scep_response, transID, &container, &attrs);
if (ugh != NULL)
{
exit_scepclient(ugh);
}
/* in case of manual mode, we are going into a polling loop */
if (attrs.pkiStatus == SCEP_PENDING)
{
identification_t *issuer = x509_ca_sig->get_subject(x509_ca_sig);
DBG1(DBG_APP, " scep request pending, polling every %d seconds",
poll_interval);
poll_start = time_monotonic(NULL);
issuerAndSubject = asn1_wrap(ASN1_SEQUENCE, "cc",
issuer->get_encoding(issuer),
subject);
}
while (attrs.pkiStatus == SCEP_PENDING)
{
if (max_poll_time > 0 &&
(time_monotonic(NULL) - poll_start >= max_poll_time))
{
exit_scepclient("maximum poll time reached: %d seconds"
, max_poll_time);
}
DBG2(DBG_APP, "going to sleep for %d seconds", poll_interval);
sleep(poll_interval);
free(scep_response.ptr);
container->destroy(container);
DBG2(DBG_APP, "fingerprint: %.*s",
(int)fingerprint.len, fingerprint.ptr);
DBG2(DBG_APP, "transaction ID: %.*s",
(int)transID.len, transID.ptr);
chunk_free(&getCertInitial);
getCertInitial = scep_build_request(issuerAndSubject,
transID, SCEP_GetCertInitial_MSG, x509_ca_enc,
pkcs7_symmetric_cipher, pkcs7_key_size,
x509_signer, pkcs7_digest_alg, private_key);
if (!getCertInitial.ptr)
{
exit_scepclient("failed to build scep request");
}
if (!scep_http_request(scep_url, getCertInitial, SCEP_PKI_OPERATION,
http_get_request, http_timeout, &scep_response))
{
exit_scepclient("did not receive a valid scep response");
}
ugh = scep_parse_response(scep_response, transID, &container, &attrs);
if (ugh != NULL)
{
exit_scepclient(ugh);
}
}
if (attrs.pkiStatus != SCEP_SUCCESS)
{
container->destroy(container);
exit_scepclient("reply status is not 'SUCCESS'");
}
if (!container->get_data(container, &chunk))
{
container->destroy(container);
exit_scepclient("extracting signed-data failed");
}
container->destroy(container);
/* decrypt enveloped-data container */
container = lib->creds->create(lib->creds,
CRED_CONTAINER, CONTAINER_PKCS7,
BUILD_BLOB_ASN1_DER, chunk,
BUILD_END);
free(chunk.ptr);
if (!container)
{
exit_scepclient("could not decrypt envelopedData");
}
if (!container->get_data(container, &chunk))
{
container->destroy(container);
exit_scepclient("extracting encrypted-data failed");
}
container->destroy(container);
/* parse signed-data container */
container = lib->creds->create(lib->creds,
CRED_CONTAINER, CONTAINER_PKCS7,
BUILD_BLOB_ASN1_DER, chunk,
BUILD_END);
free(chunk.ptr);
if (!container)
{
exit_scepclient("could not parse singed-data");
}
/* no need to verify the signed-data container, the signature does NOT
* cover the contained certificates */
/* store the end entity certificate */
join_paths(path, sizeof(path), HOST_CERT_PATH, file_out_cert);
p7 = (pkcs7_t*)container;
enumerator = p7->create_cert_enumerator(p7);
while (enumerator->enumerate(enumerator, &cert))
{
x509_t *x509 = (x509_t*)cert;
if (!(x509->get_flags(x509) & X509_CA))
{
if (stored)
{
exit_scepclient("multiple certs received, only first stored");
}
if (!cert->get_encoding(cert, CERT_ASN1_DER, &encoding) ||
!chunk_write(encoding, path, "requested cert", 0022, force))
{
exit_scepclient("could not write cert file '%s'", path);
}
chunk_free(&encoding);
stored = TRUE;
}
}
enumerator->destroy(enumerator);
container->destroy(container);
chunk_free(&attrs.transID);
chunk_free(&attrs.senderNonce);
chunk_free(&attrs.recipientNonce);
filetype_out &= ~CERT; /* delete CERT flag */
}
exit_scepclient(NULL);
return -1; /* should never be reached */
}
