int main(int argc, char **argv)
{
#if 0
NSS_NoDB_Init(".");
if (!test_aes_cbc(&algo_aes_cbc)) {
printf("aes-cbc failed\n");
}
if (!test_camellia_cbc(&algo_camellia_cbc)) {
printf("camellia-cbc failed\n");
}
if (!test_aes_ctr(&algo_aes_ctr)) {
printf("aes-ctr failed\n");
}
exit(0);
#endif
int lockfd;
/*
* We read the intentions for how to log from command line options
* and the config file. Then we prepare to be able to log, but until
* then log to stderr (better then nothing). Once we are ready to
* actually do loggin according to the methods desired, we set the
* variables for those methods
*/
bool log_to_stderr_desired = FALSE;
bool log_to_file_desired = FALSE;
{
int i;
/* MUST BE BEFORE ANY allocs */
for (i = 1; i < argc; ++i) {
if (streq(argv[i], "--leak-detective"))
leak_detective = TRUE;
}
}
pluto_name = argv[0];
coredir = clone_str("/var/run/pluto", "coredir in main()");
pluto_vendorid = clone_str(ipsec_version_vendorid(), "vendorid in main()");
unsigned int keep_alive = 0;
/* Overridden by virtual_private= in ipsec.conf */
char *virtual_private = NULL;
libreswan_passert_fail = passert_fail;
/* handle arguments */
for (;; ) {
/*
* 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 longindex = -1;
int c = getopt_long(argc, argv, "", long_opts, &longindex);
const char *optname = NULL;
err_t ugh = NULL; /* complaint from case */
unsigned long u = 0; /* scratch for case */
if (longindex != -1) {
const char *optmeta;
optname = long_opts[longindex].name;
optmeta = optname + strlen(optname) + 1; /* after '\0' */
switch (optmeta[0]) {
case '_':
libreswan_log("warning: option \"--%s\" with '_' in its name is obsolete; use '-'",
optname);
break;
case '>':
libreswan_log("warning: option \"--%s\" is obsolete; use \"--%s\"",
optname, optmeta + 1);
break;
case '!':
libreswan_log("warning: option \"--%s\" is obsolete; ignored",
optname);
continue; /* ignore it! */
}
}
/* Note: "breaking" from case terminates loop */
switch (c) {
case EOF: /* end of flags */
break;
case 0:
/*
* Long option already handled by getopt_long.
* Not currently used since we always set flag to NULL.
*/
continue;
case ':': /* diagnostic already printed by getopt_long */
case '?': /* diagnostic already printed by getopt_long */
invocation_fail(NULL);
break;
case 'h': /* --help */
usage();
break; /* not actually reached */
case 'X': /* --leak-detective */
/*
* This flag was already processed at the start of main()
* because leak_detective must be immutable from before
* the first alloc().
* If this option is specified, we must have already
* set it at the start of main(), so assert it.
*/
passert(leak_detective);
continue;
case 'C': /* --coredir */
pfree(coredir);
coredir = clone_str(optarg, "coredir via getopt");
continue;
case 'V': /* --vendorid */
pfree(pluto_vendorid);
coredir = clone_str(optarg, "pluto_vendorid via getopt");
continue;
case 'S': /* --statsdir */
pfreeany(pluto_stats_binary);
pluto_stats_binary = clone_str(optarg, "statsbin");
continue;
case 'v': /* --version */
printf("%s%s\n", ipsec_version_string(),
compile_time_interop_options);
/* not exit_pluto because we are not initialized yet */
exit(0);
break; /* not actually reached */
case 'j': /* --nhelpers */
if (streq(optarg, "-1")) {
nhelpers = -1;
} else {
ugh = ttoulb(optarg, 0, 10, 1000, &u);
if (ugh != NULL)
break;
nhelpers = u;
}
continue;
case 'c': /* --seedbits */
pluto_nss_seedbits = atoi(optarg);
if (pluto_nss_seedbits == 0) {
printf("pluto: seedbits must be an integer > 0");
/* not exit_pluto because we are not initialized yet */
exit(PLUTO_EXIT_NSS_FAIL);
}
continue;
#ifdef HAVE_LABELED_IPSEC
case 'w': /* --secctx-attr-type */
ugh = ttoulb(optarg, 0, 0, 0xFFFF, &u);
if (ugh != NULL)
break;
if (u != SECCTX && u != ECN_TUNNEL_or_old_SECCTX) {
ugh = "must be a positive 32001 (default) or 10 (for backward compatibility)";
break;
}
secctx_attr_type = u;
continue;
#endif
case 'd': /* --nofork*/
fork_desired = FALSE;
continue;
case 'e': /* --stderrlog */
log_to_stderr_desired = TRUE;
continue;
case 'g': /* --logfile */
pluto_log_file = optarg;
log_to_file_desired = TRUE;
continue;
case 't': /* --log-no-time */
log_with_timestamp = FALSE;
continue;
case '7': /* --log-no-append */
log_append = FALSE;
continue;
case '8': /* --drop-oppo-null */
pluto_drop_oppo_null = TRUE;
continue;
case '9': /* --expire-bare-shunt <interval> */
ugh = ttoulb(optarg, 0, 10, 1000, &u);
if (ugh != NULL)
break;
bare_shunt_interval = u;
continue;
case 'k': /* --use-klips */
kern_interface = USE_KLIPS;
continue;
case 'L': /* --listen ip_addr */
{
ip_address lip;
err_t e = ttoaddr(optarg, 0, AF_UNSPEC, &lip);
if (e != NULL) {
/*
*??? should we continue on failure?
* If not, use ugh mechanism.
*/
libreswan_log(
"invalid listen argument ignored: %s\n",
e);
} else {
pluto_listen =
clone_str(optarg, "pluto_listen");
libreswan_log(
"bind() will be filtered for %s\n",
pluto_listen);
}
}
continue;
case 'M': /* --use-mast */
kern_interface = USE_MASTKLIPS;
continue;
case 'F': /* --use-bsdkame */
kern_interface = USE_BSDKAME;
continue;
case 'K': /* --use-netkey */
kern_interface = USE_NETKEY;
continue;
case 'n': /* --use-nostack */
kern_interface = NO_KERNEL;
continue;
case 'D': /* --force-busy */
pluto_ddos_mode = DDOS_FORCE_BUSY;
continue;
case 'U': /* --force-unlimited */
pluto_ddos_mode = DDOS_FORCE_UNLIMITED;
continue;
case 'Z': /* --curl-iface */
curl_iface = optarg;
continue;
case 'I': /* --curl-timeout */
ugh = ttoulb(optarg, 0, 10, 0xFFFF, &u);
if (ugh != NULL)
break;
if (u <= 0) {
ugh = "must not be < 1";
break;
}
curl_timeout = u;
continue;
case 'r': /* --strictcrlpolicy */
strict_crl_policy = TRUE;
continue;
case 'o':
strict_ocsp_policy = TRUE;
continue;
case 'O':
ocsp_enable = TRUE;
continue;
case 'Y':
ocsp_default_uri = optarg;
continue;
case 'J':
ocsp_trust_name = optarg;
continue;
case 'T': /* --ocsp_timeout <seconds> */
ugh = ttoulb(optarg, 0, 10, 0xFFFF, &u);
if (ugh != NULL)
break;
if (u == 0) {
ugh = "must not be 0";
break;
}
ocsp_timeout = u;
continue;
case 'x': /* --crlcheckinterval <seconds> */
ugh = ttoulb(optarg, 0, 10, TIME_T_MAX, &u);
if (ugh != NULL)
break;
crl_check_interval = deltatime(u);
continue;
case 'u': /* --uniqueids */
uniqueIDs = TRUE;
continue;
case 'i': /* --interface <ifname|ifaddr> */
if (!use_interface(optarg)) {
ugh = "too many --interface specifications";
break;
}
continue;
/*
* This option does not really work, as this is the "left"
* site only, you also need --to --ikeport again later on
* It will result in: yourport -> 500, still not bypassing
* filters
*/
case 'p': /* --ikeport <portnumber> */
ugh = ttoulb(optarg, 0, 10, 0xFFFF, &u);
if (ugh != NULL)
break;
if (u == 0) {
ugh = "must not be 0";
break;
}
pluto_port = u;
continue;
case 'q': /* --natikeport <portnumber> */
ugh = ttoulb(optarg, 0, 10, 0xFFFF, &u);
if (ugh != NULL)
break;
if (u == 0) {
ugh = "must not be 0";
break;
}
pluto_nat_port = u;
continue;
case 'b': /* --ctlbase <path> */
/*
* ??? work to be done here:
*
* snprintf returns the required space if there
* isn't enough, not -1.
* -1 indicates another kind of error.
*
* This appears to be the only place where the
* ctlbase value is used yet it is set elsewhere.
* (This isn't clear -- it may be OK.)
*/
ctlbase = optarg;
if (snprintf(ctl_addr.sun_path,
sizeof(ctl_addr.sun_path),
"%s%s", ctlbase, CTL_SUFFIX) == -1) {
ugh = "<path>" CTL_SUFFIX " too long for sun_path";
break;
}
if (snprintf(info_addr.sun_path,
sizeof(info_addr.sun_path),
"%s%s", ctlbase, INFO_SUFFIX) == -1) {
ugh = "<path>" INFO_SUFFIX " too long for sun_path";
break;
}
if (snprintf(pluto_lock, sizeof(pluto_lock),
"%s%s", ctlbase, LOCK_SUFFIX) == -1) {
ugh = "<path>" LOCK_SUFFIX " must fit";
break;
}
continue;
case 's': /* --secretsfile <secrets-file> */
lsw_conf_secretsfile(optarg);
continue;
case 'f': /* --ipsecdir <ipsec-dir> */
lsw_init_ipsecdir(optarg);
continue;
case 'N': /* --debug-none */
base_debugging = DBG_NONE;
continue;
case 'A': /* --debug-all */
base_debugging = DBG_ALL;
continue;
case 'P': /* --perpeerlogbase */
base_perpeer_logdir = optarg;
continue;
case 'l': /* --perpeerlog */
log_to_perpeer = TRUE;
continue;
case '2': /* --keep-alive <delay_secs> */
ugh = ttoulb(optarg, 0, 10, secs_per_day, &u);
if (ugh != NULL)
break;
keep_alive = u;
continue;
case '5': /* --debug-nat-t */
base_debugging |= DBG_NATT;
continue;
case '6': /* --virtual-private */
virtual_private = optarg;
continue;
case 'z': /* --config */
{
/*
* Config struct to variables mapper. This will
* overwrite all previously set options. Keep this
* in the same order as long_opts[] is.
*/
struct starter_config *cfg = read_cfg_file(optarg);
/* leak */
set_cfg_string(&pluto_log_file,
cfg->setup.strings[KSF_PLUTOSTDERRLOG]);
if (pluto_log_file != NULL)
log_to_syslog = FALSE;
/* plutofork= no longer supported via config file */
log_with_timestamp =
cfg->setup.options[KBF_PLUTOSTDERRLOGTIME];
log_append = cfg->setup.options[KBF_PLUTOSTDERRLOGAPPEND];
pluto_drop_oppo_null = cfg->setup.options[KBF_DROP_OPPO_NULL];
pluto_ddos_mode = cfg->setup.options[KBF_DDOS_MODE];
if (cfg->setup.options[KBF_FORCEBUSY]) {
/* force-busy is obsoleted, translate to ddos-mode= */
pluto_ddos_mode = cfg->setup.options[KBF_DDOS_MODE] = DDOS_FORCE_BUSY;
}
/* ddos-ike-threshold and max-halfopen-ike */
pluto_ddos_threshold = cfg->setup.options[KBF_DDOS_IKE_THRESHOLD];
pluto_max_halfopen = cfg->setup.options[KBF_MAX_HALFOPEN_IKE];
strict_crl_policy =
cfg->setup.options[KBF_STRICTCRLPOLICY];
pluto_shunt_lifetime = deltatime(cfg->setup.options[KBF_SHUNTLIFETIME]);
strict_ocsp_policy =
cfg->setup.options[KBF_STRICTOCSPPOLICY];
ocsp_enable = cfg->setup.options[KBF_OCSPENABLE];
set_cfg_string(&ocsp_default_uri,
cfg->setup.strings[KSF_OCSPURI]);
ocsp_timeout = cfg->setup.options[KBF_OCSPTIMEOUT];
set_cfg_string(&ocsp_trust_name,
cfg->setup.strings[KSF_OCSPTRUSTNAME]);
crl_check_interval = deltatime(
cfg->setup.options[KBF_CRLCHECKINTERVAL]);
uniqueIDs = cfg->setup.options[KBF_UNIQUEIDS];
/*
* We don't check interfaces= here because that part
* has been dealt with in _stackmanager before we
* started
*/
set_cfg_string(&pluto_listen,
cfg->setup.strings[KSF_LISTEN]);
/* --ikeport */
pluto_port = cfg->setup.options[KBF_IKEPORT];
/* --nflog-all */
/* only causes nflog nmber to show in ipsec status */
pluto_nflog_group = cfg->setup.options[KBF_NFLOG_ALL];
/* only causes nflog nmber to show in ipsec status */
pluto_xfrmlifetime = cfg->setup.options[KBF_XFRMLIFETIME];
/* no config option: ctlbase */
/* --secrets */
if (cfg->setup.strings[KSF_SECRETSFILE] &&
*cfg->setup.strings[KSF_SECRETSFILE]) {
lsw_conf_secretsfile(cfg->setup.strings[KSF_SECRETSFILE]);
}
if (cfg->setup.strings[KSF_IPSECDIR] != NULL &&
*cfg->setup.strings[KSF_IPSECDIR] != 0) {
/* --ipsecdir */
lsw_init_ipsecdir(cfg->setup.strings[KSF_IPSECDIR]);
}
/* --perpeerlog */
log_to_perpeer = cfg->setup.options[KBF_PERPEERLOG];
if (log_to_perpeer) {
/* --perpeerlogbase */
if (cfg->setup.strings[KSF_PERPEERDIR]) {
set_cfg_string(&base_perpeer_logdir,
cfg->setup.strings[KSF_PERPEERDIR]);
} else {
base_perpeer_logdir = clone_str("/var/log/pluto/", "perpeer_logdir");
}
}
if (cfg->setup.strings[KSF_CURLIFACE]) {
pfreeany(curl_iface);
/* curl-iface= */
curl_iface = clone_str(cfg->setup.strings[KSF_CURLIFACE],
"curl-iface= via --config");
}
if (cfg->setup.options[KBF_CURLTIMEOUT])
curl_timeout = cfg->setup.options[KBF_CURLTIMEOUT];
if (cfg->setup.strings[KSF_DUMPDIR]) {
pfree(coredir);
/* dumpdir= */
coredir = clone_str(cfg->setup.strings[KSF_DUMPDIR],
"coredir via --config");
}
/* --vendorid */
if (cfg->setup.strings[KSF_MYVENDORID]) {
pfree(pluto_vendorid);
pluto_vendorid = clone_str(cfg->setup.strings[KSF_MYVENDORID],
"pluto_vendorid via --config");
}
/* no config option: pluto_adns_option */
if (cfg->setup.strings[KSF_STATSBINARY] != NULL) {
if (access(cfg->setup.strings[KSF_STATSBINARY], X_OK) == 0) {
pfreeany(pluto_stats_binary);
/* statsbin= */
pluto_stats_binary = clone_str(cfg->setup.strings[KSF_STATSBINARY], "statsbin via --config");
libreswan_log("statsbinary set to %s", pluto_stats_binary);
} else {
libreswan_log("statsbinary= '%s' ignored - file does not exist or is not executable",
pluto_stats_binary);
}
}
pluto_nss_seedbits = cfg->setup.options[KBF_SEEDBITS];
pluto_nat_port =
cfg->setup.options[KBF_NATIKEPORT];
keep_alive = cfg->setup.options[KBF_KEEPALIVE];
set_cfg_string(&virtual_private,
cfg->setup.strings[KSF_VIRTUALPRIVATE]);
nhelpers = cfg->setup.options[KBF_NHELPERS];
#ifdef HAVE_LABELED_IPSEC
secctx_attr_type = cfg->setup.options[KBF_SECCTX];
#endif
base_debugging = cfg->setup.options[KBF_PLUTODEBUG];
char *protostack = cfg->setup.strings[KSF_PROTOSTACK];
if (protostack == NULL || *protostack == '\0') {
kern_interface = USE_NETKEY;
} else if (streq(protostack, "none")) {
kern_interface = NO_KERNEL;
} else if (streq(protostack, "auto")) {
libreswan_log(
"The option protostack=auto is obsoleted, falling back to protostack=netkey\n");
kern_interface = USE_NETKEY;
} else if (streq(protostack, "klips")) {
kern_interface = USE_KLIPS;
} else if (streq(protostack, "mast")) {
kern_interface = USE_MASTKLIPS;
} else if (streq(protostack, "netkey") ||
streq(protostack, "native")) {
kern_interface = USE_NETKEY;
} else if (streq(protostack, "bsd") ||
streq(protostack, "kame") ||
streq(protostack, "bsdkame")) {
kern_interface = USE_BSDKAME;
} else if (streq(protostack, "win2k")) {
kern_interface = USE_WIN2K;
}
confread_free(cfg);
continue;
}
default:
if (DBG_OFFSET <= c &&
c < DBG_OFFSET + IMPAIR_roof_IX) {
base_debugging |= LELEM(c - DBG_OFFSET);
continue;
}
bad_case(c);
}
/* if ugh is set, bail with diagnostic */
if (ugh != NULL) {
char mess[200];
if (longindex == -1) {
snprintf(mess, sizeof(mess), "unknown option: %s",
ugh);
} else if (optarg == NULL) {
snprintf(mess, sizeof(mess), "--%s option: %s",
optname, ugh);
} else {
snprintf(mess, sizeof(mess), "--%s \"%s\" option: %s",
optname, optarg, ugh);
}
invocation_fail(mess);
}
break;
}
if (optind != argc)
invocation_fail("unexpected argument");
reset_debugging();
if (chdir(coredir) == -1) {
int e = errno;
libreswan_log("pluto: warning: chdir(\"%s\") to dumpdir failed (%d: %s)",
coredir, e, strerror(e));
}
oco = lsw_init_options();
lockfd = create_lock();
/* select between logging methods */
if (log_to_stderr_desired || log_to_file_desired)
log_to_syslog = FALSE;
if (!log_to_stderr_desired)
log_to_stderr = FALSE;
#if 0
if (kernel_ops->set_debug != NULL)
(*kernel_ops->set_debug)(cur_debugging, DBG_log, DBG_log);
#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: FATAL: %s", ugh);
exit_pluto(PLUTO_EXIT_SOCKET_FAIL);
}
}
/* If not suppressed, do daemon fork */
if (fork_desired) {
#if USE_DAEMON
if (daemon(TRUE, TRUE) < 0) {
fprintf(stderr, "pluto: FATAL: daemon failed (%d %s)\n",
errno, strerror(errno));
exit_pluto(PLUTO_EXIT_FORK_FAIL);
}
/*
* Parent just exits, so need to fill in our own PID
* file. This is racy, since the file won't be
* created until after the parent has exited.
*
* Since "ipsec start" invokes pluto with --nofork, it
* is probably safer to leave this feature disabled
* then implement it using the daemon call.
*/
(void) fill_lock(lockfd, getpid());
#elif USE_FORK
{
pid_t pid = fork();
if (pid < 0) {
int e = errno;
fprintf(stderr, "pluto: FATAL: fork failed (%d %s)\n",
errno, strerror(e));
exit_pluto(PLUTO_EXIT_FORK_FAIL);
}
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);
}
}
#else
fprintf(stderr, "pluto: FATAL: fork/daemon not supported\n");
exit_pluto(PLUTO_EXIT_FORK_FAIL);
#endif
if (setsid() < 0) {
int e = errno;
fprintf(stderr,
"FATAL: setsid() failed in main(). Errno %d: %s\n",
errno, strerror(e));
exit_pluto(PLUTO_EXIT_FAIL);
}
} else {
/* no daemon fork: we have to fill in lock file */
(void) fill_lock(lockfd, getpid());
if (isatty(fileno(stdout))) {
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)
lsw_abort();
if (dup2(0, 1) != 1)
lsw_abort();
if (!log_to_stderr && dup2(0, 2) != 2)
lsw_abort();
}
init_constants();
init_pluto_constants();
pluto_init_log();
if (!pluto_init_nss(oco->nssdb)) {
loglog(RC_LOG_SERIOUS, "FATAL: NSS initialization failure");
exit_pluto(PLUTO_EXIT_NSS_FAIL);
}
libreswan_log("NSS crypto library initialized");
if (ocsp_enable) {
if (!init_nss_ocsp(ocsp_default_uri, ocsp_trust_name,
ocsp_timeout,
strict_ocsp_policy)) {
loglog(RC_LOG_SERIOUS, "Initializing NSS OCSP failed");
exit_pluto(PLUTO_EXIT_NSS_FAIL);
} else {
libreswan_log("NSS OCSP Enabled");
}
}
#ifdef HAVE_LIBCAP_NG
/*
* Drop capabilities - this generates a false positive valgrind warning
* See: http://marc.info/?l=linux-security-module&m=125895232029657
*
* We drop these after creating the pluto socket or else we can't
* create a socket if the parent dir is non-root (eg openstack)
*/
capng_clear(CAPNG_SELECT_BOTH);
capng_updatev(CAPNG_ADD, CAPNG_EFFECTIVE | CAPNG_PERMITTED,
CAP_NET_BIND_SERVICE, CAP_NET_ADMIN, CAP_NET_RAW,
CAP_IPC_LOCK, CAP_AUDIT_WRITE,
/* for google authenticator pam */
CAP_SETGID, CAP_SETUID,
CAP_DAC_READ_SEARCH,
-1);
/*
* We need to retain some capabilities for our children (updown):
* CAP_NET_ADMIN to change routes
* CAP_NET_RAW for iptables -t mangle
* CAP_DAC_READ_SEARCH for pam / google authenticator
*/
capng_updatev(CAPNG_ADD, CAPNG_BOUNDING_SET, CAP_NET_ADMIN, CAP_NET_RAW,
CAP_DAC_READ_SEARCH, -1);
capng_apply(CAPNG_SELECT_BOTH);
libreswan_log("libcap-ng support [enabled]");
#else
libreswan_log("libcap-ng support [disabled]");
#endif
#ifdef FIPS_CHECK
libreswan_log("FIPS HMAC integrity support [enabled]");
/*
* FIPS mode requires two conditions to be true:
* - FIPS Kernel mode: fips=1 kernel boot parameter
* - FIPS Product mode: See FIPSPRODUCTCHECK in Makefile.inc
* (in RHEL/Fedora, dracut-fips installs $FIPSPRODUCTCHECK)
*
* When FIPS mode, abort on self-check hmac failure. Otherwise, complain
*/
{
if (DBGP(IMPAIR_FORCE_FIPS)) {
libreswan_log("Forcing FIPS checks to true to emulate FIPS mode");
lsw_set_fips_mode(LSW_FIPS_ON);
}
enum lsw_fips_mode pluto_fips_mode = lsw_get_fips_mode();
bool nss_fips_mode = PK11_IsFIPS();
/*
* Now verify the consequences. Always run the tests
* as combinations such as NSS in fips mode but as out
* of it could be bad.
*/
switch (pluto_fips_mode) {
case LSW_FIPS_UNKNOWN:
loglog(RC_LOG_SERIOUS, "ABORT: pluto FIPS mode could not be determined");
exit_pluto(PLUTO_EXIT_FIPS_FAIL);
break;
case LSW_FIPS_ON:
libreswan_log("FIPS mode enabled for pluto daemon");
if (nss_fips_mode) {
libreswan_log("NSS library is running in FIPS mode");
} else {
loglog(RC_LOG_SERIOUS, "ABORT: pluto in FIPS mode but NSS library is not");
exit_pluto(PLUTO_EXIT_FIPS_FAIL);
}
break;
case LSW_FIPS_OFF:
libreswan_log("FIPS mode disabled for pluto daemon");
if (nss_fips_mode) {
loglog(RC_LOG_SERIOUS, "Warning: NSS library is running in FIPS mode");
}
break;
case LSW_FIPS_UNSET:
default:
bad_case(pluto_fips_mode);
}
/* always run hmac check so we can print diagnostic */
bool fips_files = FIPSCHECK_verify_files(fips_package_files);
if (fips_files) {
libreswan_log("FIPS HMAC integrity verification self-test passed");
} else {
loglog(RC_LOG_SERIOUS, "FIPS HMAC integrity verification self-test FAILED");
}
if (pluto_fips_mode == LSW_FIPS_ON && !fips_files) {
exit_pluto(PLUTO_EXIT_FIPS_FAIL);
}
}
#else
libreswan_log("FIPS HMAC integrity support [disabled]");
#endif
#ifdef USE_LINUX_AUDIT
linux_audit_init();
#else
libreswan_log("Linux audit support [disabled]");
#endif
{
const char *vc = ipsec_version_code();
libreswan_log("Starting Pluto (Libreswan Version %s%s) pid:%u",
vc, compile_time_interop_options, getpid());
}
libreswan_log("core dump dir: %s", coredir);
if (oco->secretsfile && *oco->secretsfile)
libreswan_log("secrets file: %s", oco->secretsfile);
libreswan_log(leak_detective ?
"leak-detective enabled" : "leak-detective disabled");
/* Check for SAREF support */
#ifdef KLIPS_MAST
#include <ipsec_saref.h>
{
int e, sk, saref;
saref = 1;
errno = 0;
sk = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
e = setsockopt(sk, IPPROTO_IP, IP_IPSEC_REFINFO, &saref,
sizeof(saref));
if (e == -1 )
libreswan_log("SAref support [disabled]: %s",
strerror(errno));
else
libreswan_log("SAref support [enabled]");
errno = 0;
e = setsockopt(sk, IPPROTO_IP, IP_IPSEC_BINDREF, &saref,
sizeof(saref));
if (e == -1 )
libreswan_log("SAbind support [disabled]: %s",
strerror(errno));
else
libreswan_log("SAbind support [enabled]");
close(sk);
}
#endif
libreswan_log("NSS crypto [enabled]");
#ifdef XAUTH_HAVE_PAM
libreswan_log("XAUTH PAM support [enabled]");
#else
libreswan_log("XAUTH PAM support [disabled]");
#endif
/* Log various impair-* functions if they were enabled */
if (DBGP(IMPAIR_BUST_MI2))
libreswan_log("Warning: IMPAIR_BUST_MI2 enabled");
if (DBGP(IMPAIR_BUST_MR2))
libreswan_log("Warning: IMPAIR_BUST_MR2 enabled");
if (DBGP(IMPAIR_SA_CREATION))
libreswan_log("Warning: IMPAIR_SA_CREATION enabled");
if (DBGP(IMPAIR_JACOB_TWO_TWO))
libreswan_log("Warning: IMPAIR_JACOB_TWO_TWO enabled");
if (DBGP(IMPAIR_DIE_ONINFO))
libreswan_log("Warning: IMPAIR_DIE_ONINFO enabled");
if (DBGP(IMPAIR_MAJOR_VERSION_BUMP))
libreswan_log("Warning: IMPAIR_MAJOR_VERSION_BUMP enabled");
if (DBGP(IMPAIR_MINOR_VERSION_BUMP))
libreswan_log("Warning: IMPAIR_MINOR_VERSION_BUMP enabled");
if (DBGP(IMPAIR_RETRANSMITS))
libreswan_log("Warning: IMPAIR_RETRANSMITS enabled");
if (DBGP(IMPAIR_SEND_BOGUS_ISAKMP_FLAG))
libreswan_log("Warning: IMPAIR_SEND_BOGUS_ISAKMP_FLAG enabled");
if (DBGP(IMPAIR_SEND_BOGUS_PAYLOAD_FLAG))
libreswan_log("Warning: IMPAIR_SEND_BOGUS_PAYLOAD_FLAG enabled");
if (DBGP(IMPAIR_SEND_IKEv2_KE))
libreswan_log("Warning: IMPAIR_SEND_IKEv2_KE enabled");
if (DBGP(IMPAIR_SEND_KEY_SIZE_CHECK))
libreswan_log("Warning: IMPAIR_SEND_KEY_SIZE_CHECK enabled");
if (DBGP(IMPAIR_SEND_NO_DELETE))
libreswan_log("Warning: IMPAIR_SEND_NO_DELETE enabled");
if (DBGP(IMPAIR_FORCE_FIPS))
libreswan_log("Warning: IMPAIR_FORCE_FIPS enabled");
if (DBGP(IMPAIR_SEND_NO_IKEV2_AUTH))
libreswan_log("Warning: IMPAIR_SEND_NO_IKEV2_AUTH enabled");
if (DBGP(IMPAIR_SEND_ZERO_GX))
libreswan_log("Warning: IMPAIR_SEND_ZERO_GX enabled");
if (DBGP(IMPAIR_SEND_BOGUS_DCOOKIE))
libreswan_log("Warning: IMPAIR_SEND_BOGUS_DCOOKIE enabled");
/* Initialize all of the various features */
init_nat_traversal(keep_alive);
init_virtual_ip(virtual_private);
/* obsoleted by nss code init_rnd_pool(); */
init_event_base();
init_secret();
init_states();
init_connections();
init_crypto();
init_crypto_helpers(nhelpers);
init_demux();
init_kernel();
init_id();
init_vendorid();
#if defined(LIBCURL) || defined(LDAP_VER)
init_fetch();
#endif
load_crls();
#ifdef HAVE_LABELED_IPSEC
init_avc();
#endif
daily_log_event();
#ifdef USE_SYSTEMD_WATCHDOG
pluto_sd_init();
#endif
call_server();
return -1; /* Shouldn't ever reach this */
}
int
main(int argc, char **argv)
{
int lockfd;
int nhelpers = -1;
char *coredir;
const struct lsw_conf_options *oco;
/*
* We read the intentions for how to log from command line options
* and the config file. Then we prepare to be able to log, but until
* then log to stderr (better then nothing). Once we are ready to
* actually do loggin according to the methods desired, we set the
* variables for those methods
*/
bool log_to_stderr_desired = FALSE;
bool log_to_file_desired = FALSE;
coredir = NULL;
/* set up initial defaults that need a cast */
pluto_shared_secrets_file =
DISCARD_CONST(char *, SHARED_SECRETS_FILE);
#ifdef NAT_TRAVERSAL
/** Overridden by nat_traversal= in ipsec.conf */
bool nat_traversal = FALSE;
bool nat_t_spf = TRUE; /* support port floating */
unsigned int keep_alive = 0;
bool force_keepalive = FALSE;
#endif
/** Overridden by virtual_private= in ipsec.conf */
char *virtual_private = NULL;
#ifdef LEAK_DETECTIVE
leak_detective=1;
#else
leak_detective=0;
#endif
#ifdef HAVE_LIBCAP_NG
/* Drop capabilities */
capng_clear(CAPNG_SELECT_BOTH);
capng_updatev(CAPNG_ADD, CAPNG_EFFECTIVE|CAPNG_PERMITTED,
CAP_NET_BIND_SERVICE, CAP_NET_ADMIN, CAP_NET_RAW,
CAP_IPC_LOCK, CAP_AUDIT_WRITE,
-1);
/* our children must be able to CAP_NET_ADMIN to change routes.
*/
capng_updatev(CAPNG_ADD, CAPNG_BOUNDING_SET,
CAP_NET_ADMIN, -1);
capng_apply(CAPNG_SELECT_BOTH);
#endif
#ifdef DEBUG
libreswan_passert_fail = passert_fail;
#endif
if(getenv("PLUTO_WAIT_FOR_GDB")) {
sleep(120);
}
/* 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' },
{ "config", required_argument, NULL, 'z' },
{ "nofork", no_argument, NULL, 'd' },
{ "stderrlog", no_argument, NULL, 'e' },
{ "logfile", required_argument, NULL, 'g' },
{ "plutostderrlogtime", no_argument, NULL, 't' },
{ "noklips", no_argument, NULL, 'n' },
{ "use-nostack", no_argument, NULL, 'n' },
{ "use-none", no_argument, NULL, 'n' },
{ "force_busy", no_argument, NULL, 'D' },
{ "strictcrlpolicy", no_argument, NULL, 'r' },
{ "crlcheckinterval", required_argument, NULL, 'x'},
{ "uniqueids", no_argument, NULL, 'u' },
{ "useklips", no_argument, NULL, 'k' },
{ "use-klips", no_argument, NULL, 'k' },
{ "use-auto", no_argument, NULL, 'G' },
{ "usenetkey", no_argument, NULL, 'K' },
{ "use-netkey", no_argument, NULL, 'K' },
{ "use-mast", no_argument, NULL, 'M' },
{ "use-mastklips", no_argument, NULL, 'M' },
{ "use-bsdkame", no_argument, NULL, 'F' },
{ "interface", required_argument, NULL, 'i' },
{ "listen", required_argument, NULL, 'L' },
{ "ikeport", required_argument, NULL, 'p' },
{ "natikeport", required_argument, NULL, 'q' },
{ "ctlbase", required_argument, NULL, 'b' },
{ "secretsfile", required_argument, NULL, 's' },
{ "perpeerlogbase", required_argument, NULL, 'P' },
{ "perpeerlog", no_argument, NULL, 'l' },
{ "noretransmits", no_argument, NULL, 'R' },
{ "coredir", required_argument, NULL, 'C' },
{ "ipsecdir", required_argument, NULL, 'f' },
{ "ipsec_dir", required_argument, NULL, 'f' },
{ "foodgroupsdir", required_argument, NULL, 'f' },
{ "adns", required_argument, NULL, 'a' },
#ifdef NAT_TRAVERSAL
{ "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-nat_t", no_argument, NULL, '5' },
{ "debug-nattraversal", no_argument, NULL, '5' },
{ "debug-nat-t", no_argument, NULL, '5' },
#endif
{ "virtual_private", required_argument, NULL, '6' },
{ "nhelpers", required_argument, NULL, 'j' },
#ifdef HAVE_LABELED_IPSEC
{ "secctx_attr_value", required_argument, NULL, 'w' },
#endif
#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-crypto", 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-netkey", no_argument, NULL, DBG_NETKEY + DBG_OFFSET },
{ "debug-dns", no_argument, NULL, DBG_DNS + DBG_OFFSET },
{ "debug-oppo", no_argument, NULL, DBG_OPPO + DBG_OFFSET },
{ "debug-oppoinfo", no_argument, NULL, DBG_OPPOINFO + DBG_OFFSET },
{ "debug-controlmore", no_argument, NULL, DBG_CONTROLMORE + DBG_OFFSET },
{ "debug-dpd", no_argument, NULL, DBG_DPD + DBG_OFFSET },
{ "debug-x509", no_argument, NULL, DBG_X509 + DBG_OFFSET },
{ "debug-private", no_argument, NULL, DBG_PRIVATE + DBG_OFFSET },
{ "debug-pfkey", no_argument, NULL, DBG_PFKEY + 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 },
{ "impair-sa-creation", no_argument, NULL, IMPAIR_SA_CREATION + DBG_OFFSET },
{ "impair-die-oninfo", no_argument, NULL, IMPAIR_DIE_ONINFO + DBG_OFFSET },
{ "impair-jacob-two-two", no_argument, NULL, IMPAIR_JACOB_TWO_TWO + DBG_OFFSET },
{ "impair-major-version-bump", no_argument, NULL, IMPAIR_MAJOR_VERSION_BUMP + DBG_OFFSET },
{ "impair-minor-version-bump", no_argument, NULL, IMPAIR_MINOR_VERSION_BUMP + DBG_OFFSET },
{ "impair-retransmits", no_argument, NULL, IMPAIR_RETRANSMITS + DBG_OFFSET },
{ "impair-send-bogus-isakmp-flag", no_argument, NULL, IMPAIR_SEND_BOGUS_ISAKMP_FLAG + 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 'C':
coredir = clone_str(optarg, "coredir");
continue;
case 'v': /* --version */
{
printf("%s%s\n", ipsec_version_string(),
compile_time_interop_options);
}
exit(0); /* not exit_pluto because we are not initialized yet */
break; /* not actually reached */
case 'j': /* --nhelpers */
if (optarg == NULL || !isdigit(optarg[0]))
usage("missing number of pluto helpers");
{
char *endptr;
long count = strtol(optarg, &endptr, 0);
if (*endptr != '\0' || endptr == optarg
|| count < -1)
usage("<nhelpers> must be a positive number, 0 or -1");
nhelpers = count;
}
continue;
#ifdef HAVE_LABELED_IPSEC
case 'w': /* --secctx_attr_value*/
if (optarg == NULL || !isdigit(optarg[0]))
usage("missing (positive integer) value of secctx_attr_value (needed only if using labeled ipsec)");
{
char *endptr;
long value = strtol(optarg, &endptr, 0);
if (*endptr != '\0' || endptr == optarg
|| (value != SECCTX && value !=10) )
usage("<secctx_attr_value> must be a positive number (32001 by default, 10 for backward compatibility, or any other future number assigned by IANA)");
secctx_attr_value = (u_int16_t)value;
}
continue;
#endif
case 'd': /* --nofork*/
fork_desired = FALSE;
continue;
case 'e': /* --stderrlog */
log_to_stderr_desired = TRUE;
continue;
case 'g': /* --logfile */
pluto_log_file = optarg;
log_to_file_desired = TRUE;
continue;
case 't': /* --plutostderrlogtime */
log_with_timestamp = TRUE;
continue;
case 'G': /* --use-auto */
libreswan_log("The option --use-auto is obsoleted, falling back to --use-netkey\n");
kern_interface = USE_NETKEY;
continue;
case 'k': /* --use-klips */
kern_interface = USE_KLIPS;
continue;
case 'L': /* --listen ip_addr */
{
ip_address lip;
err_t e = ttoaddr(optarg,0,0,&lip);
if(e) {
libreswan_log("invalid listen argument ignored: %s\n",e);
} else {
pluto_listen = clone_str(optarg, "pluto_listen");
libreswan_log("bind() will be filtered for %s\n",pluto_listen);
}
}
continue;
case 'M': /* --use-mast */
kern_interface = USE_MASTKLIPS;
continue;
case 'F': /* --use-bsdkame */
kern_interface = USE_BSDKAME;
continue;
case 'K': /* --use-netkey */
kern_interface = USE_NETKEY;
continue;
case 'n': /* --use-nostack */
kern_interface = NO_KERNEL;
continue;
case 'D': /* --force_busy */
force_busy = TRUE;
continue
;
case 'r': /* --strictcrlpolicy */
strict_crl_policy = TRUE;
continue
;
case 'R':
no_retransmits = 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 'u': /* --uniqueids */
uniqueIDs = TRUE;
continue;
case 'i': /* --interface <ifname|ifaddr> */
if (!use_interface(optarg))
usage("too many --interface specifications");
continue;
/*
* This option does not really work, as this is the "left"
* site only, you also need --to --ikeport again later on
* It will result in: yourport -> 500, still not bypassing filters
*/
case 'p': /* --ikeport <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;
#ifdef NAT_TRAVERSAL
case 'q': /* --natikeport <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_natt_float_port = port;
}
continue;
#endif
case 'b': /* --ctlbase <path> */
ctlbase = optarg;
if (snprintf(ctl_addr.sun_path, sizeof(ctl_addr.sun_path)
, "%s%s", ctlbase, 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", ctlbase, INFO_SUFFIX) == -1)
usage("<path>" INFO_SUFFIX " too long for sun_path");
if (snprintf(pluto_lock, sizeof(pluto_lock)
, "%s%s", ctlbase, LOCK_SUFFIX) == -1)
usage("<path>" LOCK_SUFFIX " must fit");
continue;
case 's': /* --secretsfile <secrets-file> */
pluto_shared_secrets_file = optarg;
continue;
case 'f': /* --ipsecdir <ipsec-dir> */
(void)lsw_init_ipsecdir(optarg);
continue;
case 'a': /* --adns <pathname> */
pluto_adns_option = 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;
#ifdef NAT_TRAVERSAL
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;
#ifdef DEBUG
case '5': /* --debug-nat_t */
base_debugging |= DBG_NATT;
continue;
#endif
#endif
case '6': /* --virtual_private */
virtual_private = optarg;
continue;
case 'z': /* --config */
;
/* Config struct to variables mapper. This will overwrite */
/* all previously set options. Keep this in the same order than */
/* long_opts[] is. */
struct starter_config *cfg = read_cfg_file(optarg);
set_cfg_string(&pluto_log_file, cfg->setup.strings[KSF_PLUTOSTDERRLOG]);
fork_desired = cfg->setup.options[KBF_PLUTOFORK]; /* plutofork= */
log_with_timestamp =
cfg->setup.options[KBF_PLUTOSTDERRLOGTIME];
force_busy = cfg->setup.options[KBF_FORCEBUSY];
strict_crl_policy = cfg->setup.options[KBF_STRICTCRLPOLICY];
crl_check_interval = cfg->setup.options[KBF_CRLCHECKINTERVAL];
uniqueIDs = cfg->setup.options[KBF_UNIQUEIDS];
/*
* We don't check interfaces= here because that part has been dealt
* with in _stackmanager before we started
*/
set_cfg_string(&pluto_listen, cfg->setup.strings[KSF_LISTEN]);
pluto_port = cfg->setup.options[KBF_IKEPORT]; /* --ikeport */
/* no config option: ctlbase */
set_cfg_string(&pluto_shared_secrets_file, cfg->setup.strings[KSF_SECRETSFILE]); /* --secrets */
if(cfg->setup.strings[KSF_IPSECDIR] != NULL &&
*cfg->setup.strings[KSF_IPSECDIR] != 0) {
lsw_init_ipsecdir(cfg->setup.strings[KSF_IPSECDIR]); /* --ipsecdir */
}
set_cfg_string(&base_perpeer_logdir, cfg->setup.strings[KSF_PERPEERDIR]); /* --perpeerlogbase */
log_to_perpeer = cfg->setup.options[KBF_PERPEERLOG]; /* --perpeerlog */
no_retransmits = !cfg->setup.options[KBF_RETRANSMITS]; /* --noretransmits */
set_cfg_string(&coredir, cfg->setup.strings[KSF_DUMPDIR]); /* --dumpdir */
/* no config option: pluto_adns_option */
#ifdef NAT_TRAVERSAL
pluto_natt_float_port = cfg->setup.options[KBF_NATIKEPORT];
nat_traversal = cfg->setup.options[KBF_NATTRAVERSAL];
keep_alive = cfg->setup.options[KBF_KEEPALIVE];
force_keepalive = cfg->setup.options[KBF_FORCE_KEEPALIVE];
nat_t_spf = !cfg->setup.options[KBF_DISABLEPORTFLOATING];
#endif
set_cfg_string(&virtual_private,
cfg->setup.strings[KSF_VIRTUALPRIVATE]);
nhelpers = cfg->setup.options[KBF_NHELPERS];
#ifdef HAVE_LABELED_IPSEC
secctx_attr_value = cfg->setup.options[KBF_SECCTX];
#endif
#ifdef DEBUG
base_debugging = cfg->setup.options[KBF_PLUTODEBUG];
#endif
char *protostack = cfg->setup.strings[KSF_PROTOSTACK];
if (protostack == NULL || *protostack == 0)
kern_interface = USE_NETKEY;
else if (strcmp(protostack, "none") == 0)
kern_interface = NO_KERNEL;
else if (strcmp(protostack, "auto") == 0)
{
libreswan_log("The option protostack=auto is obsoleted, falling back to protostack=netkey\n");
kern_interface = USE_NETKEY;
}
else if (strcmp(protostack, "klips") == 0)
kern_interface = USE_KLIPS;
else if (strcmp(protostack, "mast") == 0)
kern_interface = USE_MASTKLIPS;
else if (strcmp(protostack, "netkey") == 0 ||
strcmp(protostack, "native") == 0)
kern_interface = USE_NETKEY;
else if (strcmp(protostack, "bsd") == 0 ||
strcmp(protostack, "kame") == 0 ||
strcmp(protostack, "bsdkame") == 0)
kern_interface = USE_BSDKAME;
else if (strcmp(protostack, "win2k") == 0)
kern_interface = USE_WIN2K;
confread_free(cfg);
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();
#ifdef HAVE_NO_FORK
fork_desired = FALSE;
nhelpers = 0;
#endif
/* default coredir to location compatible with SElinux */
if(!coredir) {
coredir = clone_str("/var/run/pluto", "coredir");
}
if(chdir(coredir) == -1) {
int e = errno;
libreswan_log("pluto: chdir() do dumpdir failed (%d: %s)\n",
e, strerror(e));
}
oco = lsw_init_options();
lockfd = create_lock();
/* select between logging methods */
if (log_to_stderr_desired || log_to_file_desired) {
log_to_syslog = FALSE;
}
if (!log_to_stderr_desired)
log_to_stderr = FALSE;
#ifdef DEBUG
#if 0
if(kernel_ops->set_debug) {
(*kernel_ops->set_debug)(cur_debugging, DBG_log, DBG_log);
}
#endif
#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());
if (isatty(fileno(stdout)))
{
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)
lsw_abort();
if (dup2(0, 1) != 1)
lsw_abort();
if (!log_to_stderr && dup2(0, 2) != 2)
lsw_abort();
}
init_constants();
pluto_init_log();
pluto_init_nss(oco->confddir);
#ifdef FIPS_CHECK
const char *package_files[]= { IPSECLIBDIR"/setup",
IPSECLIBDIR"/addconn",
IPSECLIBDIR"/auto",
IPSECLIBDIR"/barf",
IPSECLIBDIR"/eroute",
IPSECLIBDIR"/ikeping",
IPSECLIBDIR"/readwriteconf",
IPSECLIBDIR"/_keycensor",
IPSECLIBDIR"/klipsdebug",
IPSECLIBDIR"/look",
IPSECLIBDIR"/newhostkey",
IPSECLIBDIR"/pf_key",
IPSECLIBDIR"/_pluto_adns",
IPSECLIBDIR"/_plutorun",
IPSECLIBDIR"/ranbits",
IPSECLIBDIR"/_realsetup",
IPSECLIBDIR"/rsasigkey",
IPSECLIBDIR"/pluto",
IPSECLIBDIR"/_secretcensor",
IPSECLIBDIR"/secrets",
IPSECLIBDIR"/showhostkey",
IPSECLIBDIR"/spi",
IPSECLIBDIR"/spigrp",
IPSECLIBDIR"/_stackmanager",
IPSECLIBDIR"/tncfg",
IPSECLIBDIR"/_updown",
IPSECLIBDIR"/_updown.klips",
IPSECLIBDIR"/_updown.mast",
IPSECLIBDIR"/_updown.netkey",
IPSECLIBDIR"/verify",
IPSECLIBDIR"/whack",
IPSECSBINDIR"/ipsec",
NULL
};
if (Pluto_IsFIPS() && !FIPSCHECK_verify_files(package_files)) {
loglog(RC_LOG_SERIOUS, "FATAL: FIPS integrity verification test failed");
exit_pluto(10);
}
#else
libreswan_log("FIPS integrity support [disabled]");
#endif
#ifdef HAVE_LIBCAP_NG
libreswan_log("libcap-ng support [enabled]");
#else
libreswan_log("libcap-ng support [disabled]");
#endif
#ifdef USE_LINUX_AUDIT
libreswan_log("Linux audit support [enabled]");
/* test and log if audit is enabled on the system */
int audit_fd, rc;
audit_fd = audit_open();
if (audit_fd < 0) {
if (errno == EINVAL || errno == EPROTONOSUPPORT ||
errno == EAFNOSUPPORT)
{
loglog(RC_LOG_SERIOUS, "Warning: kernel has no audit support");
} else {
loglog(RC_LOG_SERIOUS, "FATAL (SOON): audit_open() failed : %s", strerror(errno));
/* temp disabled exit_pluto(10); */
}
}
rc = audit_log_acct_message(audit_fd, AUDIT_USER_START, NULL,
"starting pluto daemon", NULL, -1, NULL, NULL, NULL, 1);
close(audit_fd);
if (rc < 0) {
loglog(RC_LOG_SERIOUS, "FATAL: audit_log_acct_message failed: %s", strerror(errno));
exit_pluto(10);
}
#else
libreswan_log("Linux audit support [disabled]");
#endif
/* Note: some scripts may look for this exact message -- don't change
* ipsec barf was one, but it no longer does.
*/
{
const char *vc = ipsec_version_code();
#ifdef PLUTO_SENDS_VENDORID
const char *v = init_pluto_vendorid();
libreswan_log("Starting Pluto (Libreswan Version %s%s; Vendor ID %s) pid:%u"
, vc, compile_time_interop_options, v, getpid());
#else
libreswan_log("Starting Pluto (Libreswan Version %s%s) pid:%u"
, vc, compile_time_interop_options, getpid());
#endif
if(Pluto_IsFIPS()) {
libreswan_log("Pluto is running in FIPS mode");
} else {
libreswan_log("Pluto is NOT running in FIPS mode");
}
if((vc[0]=='c' && vc[1]=='v' && vc[2]=='s') ||
(vc[2]=='g' && vc[3]=='i' && vc[4]=='t')) {
/*
* when people build RPMs from CVS or GIT, make sure they
* get blamed appropriately, and that we get some way to
* identify who did it, and when they did it. Use string concat,
* so that strings the binary can or classic SCCS "what", will find
* stuff too.
*/
libreswan_log("@(#) built on "__DATE__":" __TIME__ " by " BUILDER);
}
#if defined(USE_1DES)
libreswan_log("WARNING: 1DES is enabled");
#endif
}
if(coredir) {
libreswan_log("core dump dir: %s", coredir);
}
if(pluto_shared_secrets_file) {
libreswan_log("secrets file: %s", pluto_shared_secrets_file);
}
#ifdef LEAK_DETECTIVE
libreswan_log("LEAK_DETECTIVE support [enabled]");
#else
libreswan_log("LEAK_DETECTIVE support [disabled]");
#endif
#ifdef HAVE_OCF
{
struct stat buf;
errno=0;
if( stat("/dev/crypto",&buf) != -1)
libreswan_log("OCF support for IKE via /dev/crypto [enabled]");
else
libreswan_log("OCF support for IKE via /dev/crypto [failed:%s]", strerror(errno));
}
#else
libreswan_log("OCF support for IKE [disabled]");
#endif
/* Check for SAREF support */
#ifdef KLIPS_MAST
#include <ipsec_saref.h>
{
int e, sk, saref;
saref = 1;
errno=0;
sk = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
e = setsockopt(sk, IPPROTO_IP, IP_IPSEC_REFINFO, &saref, sizeof(saref));
if (e == -1 ) {
libreswan_log("SAref support [disabled]: %s" , strerror(errno));
}
else {
libreswan_log("SAref support [enabled]");
}
errno=0;
e = setsockopt(sk, IPPROTO_IP, IP_IPSEC_BINDREF, &saref, sizeof(saref));
if (e == -1 ) {
libreswan_log("SAbind support [disabled]: %s" , strerror(errno));
}
else {
libreswan_log("SAbind support [enabled]");
}
close(sk);
}
#endif
libreswan_log("NSS crypto [enabled]");
#ifdef XAUTH_HAVE_PAM
libreswan_log("XAUTH PAM support [enabled]");
#else
libreswan_log("XAUTH PAM support [disabled]");
#endif
#ifdef HAVE_STATSD
libreswan_log("HAVE_STATSD notification via /bin/libreswan-statsd enabled");
#else
libreswan_log("HAVE_STATSD notification support [disabled]");
#endif
/** Log various impair-* functions if they were enabled */
if(DBGP(IMPAIR_BUST_MI2))
libreswan_log("Warning: IMPAIR_BUST_MI2 enabled");
if(DBGP(IMPAIR_BUST_MR2))
libreswan_log("Warning: IMPAIR_BUST_MR2 enabled");
if(DBGP(IMPAIR_SA_CREATION))
libreswan_log("Warning: IMPAIR_SA_CREATION enabled");
if(DBGP(IMPAIR_JACOB_TWO_TWO))
libreswan_log("Warning: IMPAIR_JACOB_TWO_TWO enabled");
if(DBGP(IMPAIR_DIE_ONINFO))
libreswan_log("Warning: IMPAIR_DIE_ONINFO enabled");
if(DBGP(IMPAIR_MAJOR_VERSION_BUMP))
libreswan_log("Warning: IMPAIR_MAJOR_VERSION_BUMP enabled");
if(DBGP(IMPAIR_MINOR_VERSION_BUMP))
libreswan_log("Warning: IMPAIR_MINOR_VERSION_BUMP enabled");
if(DBGP(IMPAIR_RETRANSMITS))
libreswan_log("Warning: IMPAIR_RETRANSMITS enabled");
if(DBGP(IMPAIR_SEND_BOGUS_ISAKMP_FLAG))
libreswan_log("Warning: IMPAIR_SEND_BOGUS_ISAKMP_FLAG enabled");
if(DBGP(IMPAIR_DELAY_ADNS_KEY_ANSWER))
libreswan_log("Warning: IMPAIR_DELAY_ADNS_KEY_ANSWER enabled");
if(DBGP(IMPAIR_DELAY_ADNS_TXT_ANSWER))
libreswan_log("Warning: IMPAIR_DELAY_ADNS_TXT_ANSWER enabled");
/** Initialize all of the various features */
#ifdef NAT_TRAVERSAL
init_nat_traversal(nat_traversal, keep_alive, force_keepalive, nat_t_spf);
#endif
init_virtual_ip(virtual_private);
/* obsoletd by nss code init_rnd_pool(); */
init_timer();
init_secret();
init_states();
init_connections();
init_crypto();
init_crypto_helpers(nhelpers);
load_lswcrypto();
init_demux();
init_kernel();
init_adns();
init_id();
#ifdef TPM
init_tpm();
#endif
#if defined(LIBCURL) || defined(LDAP_VER)
init_fetch();
#endif
/* loading X.509 CA certificates */
load_authcerts("CA cert", oco->cacerts_dir, AUTH_CA);
#if 0
/* unused */
/* loading X.509 AA certificates */
load_authcerts("AA cert", oco->aacerts_dir, AUTH_AA);
#endif
/* loading X.509 CRLs */
load_crls();
/* loading attribute certificates (experimental) */
load_acerts();
/*Loading CA certs from NSS DB*/
load_authcerts_from_nss("CA cert", AUTH_CA);
#ifdef HAVE_LABELED_IPSEC
init_avc();
#endif
daily_log_event();
call_server();
return -1; /* Shouldn't ever reach this */
}