/* is this a "match anything" id */
bool
any_id(const struct id *a)
{
a = resolve_myid(a);
switch (a->kind)
{
case ID_NONE:
return TRUE; /* wildcard */
case ID_IPV4_ADDR:
case ID_IPV6_ADDR:
return isanyaddr(&a->ip_addr);
case ID_FQDN:
case ID_USER_FQDN:
case ID_DER_ASN1_DN:
case ID_KEY_ID:
return FALSE;
default:
bad_case(a->kind);
}
/* NOTREACHED */
return FALSE;
}
/*
* should change all algorithms to use IKEv2 numbers, and translate
* at edges only
*/
enum ikev1_auth_attribute
alg_info_esp_v2tov1aa(enum ikev2_trans_type_integ ti)
{
switch(ti) {
case IKEv2_AUTH_NONE:
return AUTH_ALGORITHM_NONE;
case IKEv2_AUTH_HMAC_MD5_96:
return AUTH_ALGORITHM_HMAC_MD5;
case IKEv2_AUTH_HMAC_SHA1_96:
return AUTH_ALGORITHM_HMAC_SHA1;
case IKEv2_AUTH_HMAC_SHA2_256_128:
return AUTH_ALGORITHM_HMAC_SHA2_256;
case IKEv2_AUTH_HMAC_SHA2_384_192:
return AUTH_ALGORITHM_HMAC_SHA2_256;
case IKEv2_AUTH_HMAC_SHA2_512_256:
return AUTH_ALGORITHM_HMAC_SHA2_256;
/* invalid or not yet supported */
case IKEv2_AUTH_DES_MAC:
case IKEv2_AUTH_KPDK_MD5:
case IKEv2_AUTH_AES_XCBC_96:
case IKEv2_AUTH_INVALID:
case IKEv2_AUTH_HMAC_MD5_128:
case IKEv2_AUTH_HMAC_SHA1_160:
case IKEv2_AUTH_AES_CMAC_96:
case IKEv2_AUTH_AES_128_GMAC:
case IKEv2_AUTH_AES_192_GMAC:
case IKEv2_AUTH_AES_256_GMAC:
bad_case(ti);
}
return 0;
}
/* build an ID payload
* Note: no memory is allocated for the body of the payload (tl->ptr).
* We assume it will end up being a pointer into a sufficiently
* stable datastructure. It only needs to last a short time.
*/
void build_id_payload(struct isakmp_ipsec_id *hd, chunk_t *tl, struct end *end)
{
const struct id *id = resolve_myid(&end->id);
zero(hd);
zero(tl);
hd->isaiid_idtype = id->kind;
switch (id->kind) {
case ID_NONE:
hd->isaiid_idtype =
aftoinfo(addrtypeof(&end->host_addr))->id_addr;
tl->len = addrbytesptr(&end->host_addr, &tl->ptr); /* sets tl->ptr too */
break;
case ID_FQDN:
case ID_USER_FQDN:
case ID_DER_ASN1_DN:
case ID_KEY_ID:
*tl = id->name;
break;
case ID_IPV4_ADDR:
case ID_IPV6_ADDR:
tl->len = addrbytesptr(&id->ip_addr, &tl->ptr); /* sets tl->ptr too */
break;
case ID_NULL:
tl->len = 0;
tl->ptr = NULL;
break;
default:
bad_case(id->kind);
}
}
/* sadb/ESP aa attrib converters */
enum ipsec_authentication_algo
alg_info_esp_aa2sadb(enum ikev1_auth_attribute auth)
{
switch(auth) {
case AUTH_ALGORITHM_HMAC_MD5:
return AH_MD5;
case AUTH_ALGORITHM_HMAC_SHA1:
return AH_SHA;
case AUTH_ALGORITHM_HMAC_SHA2_256:
return AH_SHA2_256;
case AUTH_ALGORITHM_HMAC_SHA2_384:
return AH_SHA2_384;
case AUTH_ALGORITHM_HMAC_SHA2_512:
return AH_SHA2_512;
case AUTH_ALGORITHM_HMAC_RIPEMD:
return AH_RIPEMD;
case AUTH_ALGORITHM_NONE:
return AH_NONE;
default:
bad_case(auth);
}
return 0;
}
/**
* DPD Timeout Function
*
* This function is called when a timeout DPD_EVENT occurs. We set clear/trap
* both the SA and the eroutes, depending on what the connection definition
* tells us (either 'hold' or 'clear')
*
* @param st A state structure that is fully negotiated
* @return void
*/
void dpd_timeout(struct state *st)
{
struct connection *c = st->st_connection;
int action = c->dpd_action;
/** delete the state, which is probably in phase 2 */
set_cur_connection(c);
libreswan_log("DPD: No response from peer - declaring peer dead");
switch (action) {
case DPD_ACTION_HOLD:
/** dpdaction=hold - Wipe the SA's but %trap the eroute so we don't
leak traffic. Also, being in %trap means new packets will
force an initiation of the conn again. */
libreswan_log("DPD: Putting connection into %%trap");
if (c->kind == CK_INSTANCE) {
DBG(DBG_DPD,
DBG_log(
"DPD: warning dpdaction=hold on instance futile - will be deleted"));
}
delete_states_by_connection(c, TRUE);
break;
case DPD_ACTION_CLEAR:
/** dpdaction=clear - Wipe the SA & eroute - everything */
libreswan_log("DPD: Clearing Connection");
/*
* For CK_INSTANCE, delete_states_by_connection() will clear
* Note that delete_states_by_connection changes c->kind but we need
* to remember what it was to know if we still need to unroute after delete
*/
if (c->kind == CK_INSTANCE) {
delete_states_by_connection(c, TRUE);
} else {
flush_pending_by_connection(c); /* remove any partial negotiations that are failing */
delete_states_by_connection(c, TRUE);
DBG(DBG_DPD,
DBG_log("DPD: unrouting connection (%s)",
enum_name(&connection_kind_names,
c->kind)));
unroute_connection(c); /* --unroute */
}
break;
case DPD_ACTION_RESTART:
/* dpdaction=restart - immediately renegotiate connections to the same peer. */
libreswan_log(
"DPD: Restarting all connections that share this peer");
restart_connections_by_peer(c);
break;
default:
bad_case(action);
}
reset_cur_connection();
}
void tst_total_order() {
bad_case(100, 1000);
tst1();
tst2();
tst4(3, 1000000);
tst4(100, 100000);
tst4(512, 100000);
tst4(1000, 100000);
tst3(100, 100000);
tst3(1000, 100000);
}
/* compare two struct id values */
bool
same_id(const struct id *a, const struct id *b)
{
a = resolve_myid(a);
b = resolve_myid(b);
if(b->kind == ID_NONE || a->kind==ID_NONE) {
return TRUE; /* it's the wildcard */
}
if (a->kind != b->kind)
return FALSE;
switch (a->kind)
{
case ID_NONE:
return TRUE; /* repeat of above for completeness */
case ID_IPV4_ADDR:
case ID_IPV6_ADDR:
return sameaddr(&a->ip_addr, &b->ip_addr);
case ID_FQDN:
case ID_USER_FQDN:
/* assumptions:
* - case should be ignored
* - trailing "." should be ignored (even if the only character?)
*/
{
size_t al = a->name.len
, bl = b->name.len;
while (al > 0 && a->name.ptr[al - 1] == '.')
al--;
while (bl > 0 && b->name.ptr[bl - 1] == '.')
bl--;
return al == bl
&& strncasecmp((char *)a->name.ptr
, (char *)b->name.ptr, al) == 0;
}
case ID_DER_ASN1_DN:
return same_dn(a->name, b->name);
case ID_KEY_ID:
return a->name.len == b->name.len
&& memcmp(a->name.ptr, b->name.ptr, a->name.len) == 0;
default:
bad_case(a->kind);
}
/* NOTREACHED */
return FALSE;
}
static void convert_nss_gn_to_pluto_gn(CERTGeneralName *nss_gn,
generalName_t *pluto_gn)
{
switch (nss_gn->type) {
case certOtherName:
pluto_gn->name = same_secitem_as_chunk(nss_gn->name.OthName.name);
pluto_gn->kind = GN_OTHER_NAME;
break;
case certRFC822Name:
pluto_gn->name = same_secitem_as_chunk(nss_gn->name.other);
pluto_gn->kind = GN_RFC822_NAME;
break;
case certDNSName:
pluto_gn->name = same_secitem_as_chunk(nss_gn->name.other);
pluto_gn->kind = GN_DNS_NAME;
break;
case certX400Address:
pluto_gn->name = same_secitem_as_chunk(nss_gn->name.other);
pluto_gn->kind = GN_X400_ADDRESS;
break;
case certEDIPartyName:
pluto_gn->name = same_secitem_as_chunk(nss_gn->name.other);
pluto_gn->kind = GN_EDI_PARTY_NAME;
break;
case certURI:
pluto_gn->name = same_secitem_as_chunk(nss_gn->name.other);
pluto_gn->kind = GN_URI;
break;
case certIPAddress:
pluto_gn->name = same_secitem_as_chunk(nss_gn->name.other);
pluto_gn->kind = GN_IP_ADDRESS;
break;
case certRegisterID:
pluto_gn->name = same_secitem_as_chunk(nss_gn->name.other);
pluto_gn->kind = GN_REGISTERED_ID;
break;
case certDirectoryName:
pluto_gn->name = same_secitem_as_chunk(nss_gn->derDirectoryName);
pluto_gn->kind = GN_DIRECTORY_NAME;
break;
default:
bad_case(nss_gn->type);
}
}
int
alg_info_snprint_phase2(char *buf, int buflen, struct alg_info_esp *alg_info)
{
switch(alg_info->alg_info_protoid) {
case PROTO_IPSEC_ESP:
return alg_info_snprint_esp(buf, buflen, alg_info);
case PROTO_IPSEC_AH:
return alg_info_snprint_ah(buf, buflen, alg_info);
default:
bad_case(alg_info->alg_info_protoid);
}
}
/* release of a certificate decreases the count by one
* the certificate is freed when the counter reaches zero
*/
void release_cert(cert_t cert)
{
switch (cert.ty) {
case CERT_NONE:
/* quietly forget about it */
break;
case CERT_X509_SIGNATURE:
release_x509cert(cert.u.x509);
break;
default:
bad_case(cert.ty);
}
}
bool emit_redirect_notification_decoded_dest(
v2_notification_t ntype,
const ip_address *dest_ip,
const char *dest_str,
const chunk_t *nonce, /* optional */
pb_stream *pbs)
{
struct ikev2_redirect_part gwi;
size_t id_len;
const unsigned char *id_bytes;
if (dest_ip == NULL) {
id_len = strlen(dest_str);
id_bytes = (const unsigned char *)dest_str;
} else {
passert(dest_str == NULL);
switch (addrtypeof(dest_ip)) {
case AF_INET:
gwi.gw_identity_type = GW_IPV4;
break;
case AF_INET6:
gwi.gw_identity_type = GW_IPV6;
break;
default:
bad_case(addrtypeof(dest_ip));
}
id_len = addrbytesptr_read(dest_ip, &id_bytes);
}
if (id_len > 0xFF) {
/* ??? what should we do? */
loglog(RC_LOG_SERIOUS, "redirect destination longer than 255 octets; ignoring");
return false;
}
gwi.gw_identity_len = id_len;
passert(nonce == NULL ||
(nonce->len >= IKEv2_MINIMUM_NONCE_SIZE &&
nonce->len <= IKEv2_MAXIMUM_NONCE_SIZE));
pb_stream gwid_pbs;
return
- emit_v2Npl(ntype, pbs, &gwid_pbs) &&
out_struct(&gwi, &ikev2_redirect_desc, &gwid_pbs, NULL) &&
out_raw(id_bytes, id_len , &gwid_pbs, "redirect ID") &&
(nonce == NULL || out_chunk(*nonce, &gwid_pbs, "redirect ID len")) &&
(close_output_pbs(&gwid_pbs), true);
}
void iptoid(const ip_address *ip, struct id *id)
{
*id = empty_id;
switch (addrtypeof(ip)) {
case AF_INET:
id->kind = ID_IPV4_ADDR;
break;
case AF_INET6:
id->kind = ID_IPV6_ADDR;
break;
default:
bad_case(addrtypeof(ip));
}
id->ip_addr = *ip;
}
void free_id_content(struct id *id)
{
switch (id->kind) {
case ID_FQDN:
case ID_USER_FQDN:
case ID_DER_ASN1_DN:
case ID_KEY_ID:
freeanychunk(id->name);
break;
case ID_MYID:
case ID_FROMCERT:
case ID_NONE:
case ID_IPV4_ADDR:
case ID_IPV6_ADDR:
break;
default:
bad_case(id->kind);
}
}
/*
* Make private copy of string in struct id.
* This is needed if the result of atoid is to be kept.
*/
void unshare_id_content(struct id *id)
{
switch (id->kind) {
case ID_FQDN:
case ID_USER_FQDN:
case ID_DER_ASN1_DN:
case ID_KEY_ID:
id->name.ptr = clone_bytes(id->name.ptr, id->name.len,
"keep id name");
/* Somehow assert we have a valid id here? */
break;
case ID_MYID:
case ID_FROMCERT:
case ID_NONE:
case ID_IPV4_ADDR:
case ID_IPV6_ADDR:
break;
default:
bad_case(id->kind);
}
}
stf_status ikev2_calc_no_ppk_auth(struct state *st,
unsigned char *id_hash,
chunk_t *no_ppk_auth /* output */)
{
struct connection *c = st->st_connection;
enum keyword_authby authby = c->spd.this.authby;
freeanychunk(*no_ppk_auth); /* in case it was occupied */
switch (authby) {
case AUTH_RSASIG:
{
const struct asn1_hash_blob *h = NULL;
if (st->st_hash_negotiated & NEGOTIATE_AUTH_HASH_SHA2_512) {
h = &asn1_rsa_pss_sha2_512;
} else if (st->st_hash_negotiated & NEGOTIATE_AUTH_HASH_SHA2_384) {
h = &asn1_rsa_pss_sha2_384;
} else if (st->st_hash_negotiated & NEGOTIATE_AUTH_HASH_SHA2_256) {
h = &asn1_rsa_pss_sha2_256;
} else if (c->sighash_policy & POL_SIGHASH_NONE) {
/* RSA with SHA1 without Digsig: no oid blob appended */
if (!ikev2_calculate_rsa_hash(st,
st->st_original_role, id_hash, NULL,
no_ppk_auth, IKEv2_AUTH_HASH_SHA1))
{
/* ??? what diagnostic? */
return STF_FAIL;
}
return STF_OK;
} else {
loglog(RC_LOG_SERIOUS, "No compatible hash algo");
return STF_FAIL;
}
chunk_t hashval;
if (!ikev2_calculate_rsa_hash(st, st->st_original_role,
id_hash, NULL, &hashval,
h->hash_algo)) {
/* ??? what diagnostic? */
return STF_FAIL;
}
if (st->st_seen_hashnotify) {
/*
* combine blobs to create no_ppk_auth:
* - ASN.1 algo blob
* - hashval
*/
int len = h->blob_sz + hashval.len;
u_char *blobs = alloc_bytes(len,
"bytes for blobs for AUTH_DIGSIG NO_PPK_AUTH");
memcpy(&blobs[0], h->blob, h->blob_sz);
memcpy(&blobs[h->blob_sz], hashval.ptr, hashval.len);
freeanychunk(hashval);
setchunk(*no_ppk_auth, blobs, len);
}
return STF_OK;
}
case AUTH_PSK:
/* store in no_ppk_auth */
if (!ikev2_create_psk_auth(AUTH_PSK, st, id_hash, no_ppk_auth)) {
/* ??? what diagnostic? */
return STF_INTERNAL_ERROR;
}
return STF_OK;
default:
bad_case(authby);
}
}
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 */
}
/*
* Return a required oakley or ipsec keysize or 0 if not required.
* The first parameter uses 0 for ESP, and anything above that for
* IKE major version
*/
int crypto_req_keysize(enum crk_proto ksproto, int algo)
{
switch (ksproto) {
case CRK_IKEv2:
switch (algo) {
case IKEv2_ENCR_CAST:
return CAST_KEY_DEF_LEN;
case IKEv2_ENCR_AES_CBC:
case IKEv2_ENCR_AES_CTR:
case IKEv2_ENCR_AES_CCM_8:
case IKEv2_ENCR_AES_CCM_12:
case IKEv2_ENCR_AES_CCM_16:
case IKEv2_ENCR_AES_GCM_8:
case IKEv2_ENCR_AES_GCM_12:
case IKEv2_ENCR_AES_GCM_16:
case IKEv2_ENCR_CAMELLIA_CBC_ikev1: /* IANA ikev1/ipsec-v3 fixup */
case IKEv2_ENCR_CAMELLIA_CBC:
case IKEv2_ENCR_NULL_AUTH_AES_GMAC:
return AES_KEY_DEF_LEN;
case IKEv2_ENCR_CAMELLIA_CTR:
case IKEv2_ENCR_CAMELLIA_CCM_A:
case IKEv2_ENCR_CAMELLIA_CCM_B:
case IKEv2_ENCR_CAMELLIA_CCM_C:
return CAMELLIA_KEY_DEF_LEN;
/* private use */
case IKEv2_ENCR_SERPENT_CBC:
return SERPENT_KEY_DEF_LEN;
case IKEv2_ENCR_TWOFISH_CBC:
case IKEv2_ENCR_TWOFISH_CBC_SSH: /* ?? */
return TWOFISH_KEY_DEF_LEN;
default:
return 0;
}
case CRK_IKEv1:
switch (algo) {
case OAKLEY_CAST_CBC:
return CAST_KEY_DEF_LEN;
case OAKLEY_AES_CBC:
return AES_KEY_DEF_LEN;
case OAKLEY_CAMELLIA_CBC:
return CAMELLIA_KEY_DEF_LEN;
/* private use */
case OAKLEY_SERPENT_CBC:
return SERPENT_KEY_DEF_LEN;
case OAKLEY_TWOFISH_CBC:
case OAKLEY_TWOFISH_CBC_SSH: /* ?? */
return TWOFISH_KEY_DEF_LEN;
default:
return 0;
}
case CRK_ESPorAH:
switch (algo) {
case ESP_CAST:
return CAST_KEY_DEF_LEN;
case ESP_AES:
return AES_KEY_DEF_LEN;
case ESP_AES_CTR:
return AES_CTR_KEY_DEF_LEN;
case ESP_AES_CCM_8:
case ESP_AES_CCM_12:
case ESP_AES_CCM_16:
return AES_CCM_KEY_DEF_LEN;
case ESP_AES_GCM_8:
case ESP_AES_GCM_12:
case ESP_AES_GCM_16:
return AES_GCM_KEY_DEF_LEN;
case ESP_CAMELLIA:
case ESP_CAMELLIAv1:
return CAMELLIA_KEY_DEF_LEN;
case ESP_NULL_AUTH_AES_GMAC:
return AES_GMAC_KEY_DEF_LEN;
/* private use */
case ESP_SERPENT:
return SERPENT_KEY_DEF_LEN;
case ESP_TWOFISH:
return TWOFISH_KEY_DEF_LEN;
default:
return 0;
}
default:
bad_case(ksproto);
}
}
int
main(int argc, char **argv)
{
bool fork_desired = TRUE;
int lockfd;
char* ocspuri = NULL;
int nhelpers = -1;
char *coredir;
const struct osw_conf_options *oco;
#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, -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
global_argv = argv;
global_argc = argc;
#ifdef DEBUG
openswan_passert_fail = passert_fail;
#endif
/* see if there is an environment variable */
coredir = getenv("PLUTO_CORE_DIR");
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' },
{ "optionsfrom", required_argument, NULL, '+' },
{ "nofork", no_argument, NULL, 'd' },
{ "stderrlog", no_argument, NULL, 'e' },
{ "noklips", no_argument, NULL, 'n' },
{ "use-nostack", no_argument, NULL, 'n' },
{ "use-none", no_argument, NULL, 'n' },
{ "force_busy", no_argument, NULL, 'D' },
{ "nocrsend", no_argument, NULL, 'c' },
{ "strictcrlpolicy", no_argument, NULL, 'r' },
{ "crlcheckinterval", required_argument, NULL, 'x'},
{ "ocsprequestcert", required_argument, NULL, 'q'},
{ "ocspuri", required_argument, NULL, 'o'},
{ "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' },
{ "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' },
{ "noretransmits", no_argument, NULL, 'R' },
{ "coredir", required_argument, NULL, 'C' },
{ "ipsecdir", required_argument, NULL, 'f' },
{ "ipsec_dir", required_argument, NULL, 'f' },
#ifdef USE_LWRES
{ "lwdnsq", required_argument, NULL, 'a' },
#else /* !USE_LWRES */
{ "adns", required_argument, NULL, 'a' },
#endif /* !USE_LWRES */
#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 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 },
#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");
break;
case 'v': /* --version */
{
const char **sp = ipsec_copyright_notice();
printf("%s%s\n", ipsec_version_string(),
compile_time_interop_options);
for (; *sp != NULL; sp++)
puts(*sp);
}
exit(0); /* not exit_pluto because we are not initialized yet */
break; /* not actually reached */
case '+': /* --optionsfrom <filename> */
optionsfrom(optarg, &argc, &argv, optind, stderr);
/* does not return on error */
continue;
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;
case 'd': /* --nofork*/
fork_desired = FALSE;
continue;
case 'e': /* --stderrlog */
log_to_stderr_desired = TRUE;
continue;
case 'G': /* --use-auto */
kern_interface = AUTO_PICK;
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) {
openswan_log("invalid listen argument ignored: %s\n",e);
} else {
pluto_listen = clone_str(optarg, "pluto_listen");
openswan_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 'c': /* --nocrsend */
no_cr_send = 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 'o': /* --ocspuri */
ocspuri = optarg;
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;
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)osw_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;
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
/* if a core dir was set, chdir there */
if(coredir)
if(chdir(coredir) == -1) {
int e = errno;
openswan_log("pluto: chdir() do dumpdir failed (%d %s)\n",
e, strerror(e));
}
oco = osw_init_options();
lockfd = create_lock();
/* select between logging methods */
if (log_to_stderr_desired)
log_to_syslog = FALSE;
else
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);
}
}
#ifdef IPSECPOLICY
/* create info socket. */
{
err_t ugh = init_info_socket();
if (ugh != NULL)
{
fprintf(stderr, "pluto: %s", ugh);
exit_pluto(1);
}
}
#endif
/* 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)
#ifdef IPSECPOLICY
&& i != info_fd
#endif
&& i != ctl_fd)
close(i);
/* make sure that stdin, stdout, stderr are reserved */
if (open("/dev/null", O_RDONLY) != 0)
osw_abort();
if (dup2(0, 1) != 1)
osw_abort();
if (!log_to_stderr && dup2(0, 2) != 2)
osw_abort();
}
init_constants();
pluto_init_log();
#ifdef HAVE_LIBNSS
char buf[100];
snprintf(buf, sizeof(buf), "%s",oco->confddir);
loglog(RC_LOG_SERIOUS,"nss directory plutomain: %s",buf);
SECStatus nss_init_status= NSS_InitReadWrite(buf);
if (nss_init_status != SECSuccess) {
loglog(RC_LOG_SERIOUS, "NSS initialization failed (err %d)\n", PR_GetError());
exit_pluto(10);
} else {
loglog(RC_LOG_SERIOUS, "NSS Initialized");
PK11_SetPasswordFunc(getNSSPassword);
#ifdef FIPS_CHECK
const char *package_files[]= { IPSECLIBDIR"/setup",
IPSECLIBDIR"/addconn",
IPSECLIBDIR"/auto",
IPSECLIBDIR"/barf",
IPSECLIBDIR"/_copyright",
IPSECLIBDIR"/eroute",
IPSECLIBDIR"/ikeping",
IPSECLIBDIR"/_include",
IPSECLIBDIR"/_keycensor",
IPSECLIBDIR"/klipsdebug",
IPSECLIBDIR"/look",
IPSECLIBDIR"/newhostkey",
IPSECLIBDIR"/pf_key",
IPSECLIBDIR"/_pluto_adns",
IPSECLIBDIR"/_plutoload",
IPSECLIBDIR"/_plutorun",
IPSECLIBDIR"/ranbits",
IPSECLIBDIR"/_realsetup",
IPSECLIBDIR"/rsasigkey",
IPSECLIBDIR"/pluto",
IPSECLIBDIR"/_secretcensor",
IPSECLIBDIR"/secrets",
IPSECLIBDIR"/showdefaults",
IPSECLIBDIR"/showhostkey",
IPSECLIBDIR"/showpolicy",
IPSECLIBDIR"/spi",
IPSECLIBDIR"/spigrp",
IPSECLIBDIR"/_startklips",
IPSECLIBDIR"/_startnetkey",
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, "FIPS integrity verification test failed");
exit_pluto(10);
}
#endif
}
#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();
openswan_log("Starting Pluto (Openswan Version %s%s; Vendor ID %s) pid:%u"
, vc, compile_time_interop_options, v, getpid());
#else
openswan_log("Starting Pluto (Openswan Version %s%s) pid:%u"
, vc, compile_time_interop_options, getpid());
#endif
#ifdef HAVE_LIBNSS
if(Pluto_IsFIPS()) {
openswan_log("Pluto is running in FIPS mode");
}
#endif
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.
*/
openswan_log("@(#) built on "__DATE__":" __TIME__ " by " BUILDER);
}
#if defined(USE_1DES)
openswan_log("WARNING: 1DES is enabled");
#endif
}
if(coredir) {
openswan_log("core dump dir: %s", coredir);
}
#ifdef LEAK_DETECTIVE
openswan_log("LEAK_DETECTIVE support [enabled]");
#else
openswan_log("LEAK_DETECTIVE support [disabled]");
#endif
#ifdef HAVE_OCF
{
struct stat buf;
errno=0;
if( stat("/dev/crypto",&buf) != -1)
openswan_log("OCF support for IKE via /dev/crypto [enabled]");
else
openswan_log("OCF support for IKE via /dev/crypto [failed:%s]", strerror(errno));
}
#else
openswan_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 ) {
openswan_log("SAref support [disabled]: %s" , strerror(errno));
}
else {
openswan_log("SAref support [enabled]");
}
errno=0;
e = setsockopt(sk, IPPROTO_IP, IP_IPSEC_BINDREF, &saref, sizeof(saref));
if (e == -1 ) {
openswan_log("SAbind support [disabled]: %s" , strerror(errno));
}
else {
openswan_log("SAbind support [enabled]");
}
close(sk);
}
#endif
#ifdef HAVE_LIBNSS
openswan_log("NSS support [enabled]");
#else
openswan_log("NSS support [disabled]");
#endif
#ifdef HAVE_STATSD
openswan_log("HAVE_STATSD notification via /bin/openswan-statsd enabled");
#else
openswan_log("HAVE_STATSD notification support not compiled in");
#endif
/** Log various impair-* functions if they were enabled */
if(DBGP(IMPAIR_BUST_MI2))
openswan_log("Warning: IMPAIR_BUST_MI2 enabled");
if(DBGP(IMPAIR_BUST_MR2))
openswan_log("Warning: IMPAIR_BUST_MR2 enabled");
if(DBGP(IMPAIR_SA_CREATION))
openswan_log("Warning: IMPAIR_SA_CREATION enabled");
if(DBGP(IMPAIR_JACOB_TWO_TWO))
openswan_log("Warning: IMPAIR_JACOB_TWO_TWO enabled");
if(DBGP(IMPAIR_DIE_ONINFO))
openswan_log("Warning: IMPAIR_DIE_ONINFO enabled");
if(DBGP(IMPAIR_DELAY_ADNS_KEY_ANSWER))
openswan_log("Warning: IMPAIR_DELAY_ADNS_KEY_ANSWER enabled");
if(DBGP(IMPAIR_DELAY_ADNS_TXT_ANSWER))
openswan_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);
init_rnd_pool();
init_timer();
init_secret();
init_states();
init_connections();
init_crypto();
init_crypto_helpers(nhelpers);
load_oswcrypto();
init_demux();
init_kernel();
init_adns();
init_id();
#ifdef TPM
init_tpm();
#endif
#ifdef HAVE_THREADS
init_fetch();
#endif
ocsp_set_default_uri(ocspuri);
/* loading X.509 CA certificates */
load_authcerts("CA cert", oco->cacerts_dir, AUTH_CA);
/* loading X.509 AA certificates */
load_authcerts("AA cert", oco->aacerts_dir, AUTH_AA);
/* loading X.509 OCSP certificates */
load_authcerts("OCSP cert", oco->ocspcerts_dir, AUTH_OCSP);
/* loading X.509 CRLs */
load_crls();
/* loading attribute certificates (experimental) */
load_acerts();
#ifdef HAVE_LIBNSS
/*Loading CA certs from NSS DB*/
load_authcerts_from_nss("CA cert", AUTH_CA);
#endif
daily_log_event();
call_server();
return -1; /* Shouldn't ever reach this */
}
/* compare two struct id values */
bool same_id(const struct id *a, const struct id *b)
{
a = resolve_myid(a);
b = resolve_myid(b);
if (b->kind == ID_NONE || a->kind == ID_NONE) {
DBG(DBG_PARSING, DBG_log("id type with ID_NONE means wildcard match"));
return TRUE; /* it's the wildcard */
}
if (a->kind != b->kind) {
return FALSE;
}
switch (a->kind) {
case ID_NONE:
return TRUE; /* repeat of above for completeness */
case ID_NULL:
if (a->kind == b->kind) {
DBG(DBG_PARSING, DBG_log("ID_NULL: id kind matches"));
return TRUE;
}
return FALSE;
case ID_IPV4_ADDR:
case ID_IPV6_ADDR:
return sameaddr(&a->ip_addr, &b->ip_addr);
case ID_FQDN:
case ID_USER_FQDN:
/*
* assumptions:
* - case should be ignored
* - trailing "." should be ignored
* (even if the only character?)
*/
{
size_t al = a->name.len,
bl = b->name.len;
while (al > 0 && a->name.ptr[al - 1] == '.')
al--;
while (bl > 0 && b->name.ptr[bl - 1] == '.')
bl--;
return al == bl &&
strncaseeq((char *)a->name.ptr,
(char *)b->name.ptr, al);
}
case ID_FROMCERT:
DBG(DBG_CONTROL,
DBG_log("same_id() received ID_FROMCERT - unexpected"));
/* FALLTHROUGH */
case ID_DER_ASN1_DN:
return same_dn(a->name, b->name);
case ID_KEY_ID:
return a->name.len == b->name.len &&
memeq(a->name.ptr, b->name.ptr, a->name.len);
default:
bad_case(a->kind);
/* NOTREACHED */
return FALSE;
}
}
static void key_add_request(const struct whack_message *msg)
{
struct id keyid;
err_t ugh = atoid(msg->keyid, &keyid, FALSE, FALSE);
if (ugh != NULL) {
loglog(RC_BADID, "bad --keyid \"%s\": %s", msg->keyid, ugh);
} else {
if (!msg->whack_addkey)
delete_public_keys(&pluto_pubkeys, &keyid,
msg->pubkey_alg);
if (msg->keyval.len == 0) {
struct key_add_common *oc =
alloc_thing(struct key_add_common,
"key add common things");
enum key_add_attempt kaa;
/* initialize state shared by queries */
oc->refCount = 0;
oc->whack_fd = dup_any(whack_log_fd);
oc->success = FALSE;
for (kaa = ka_TXT; kaa != ka_roof; kaa++) {
struct key_add_continuation *kc =
alloc_thing(
struct key_add_continuation,
"key add continuation");
oc->diag[kaa] = NULL;
oc->refCount++;
kc->common = oc;
kc->lookingfor = kaa;
switch (kaa) {
case ka_TXT:
ugh = start_adns_query(&keyid,
&keyid, /* same */
ns_t_txt,
key_add_continue,
&kc->ac);
break;
#ifdef USE_KEYRR
case ka_KEY:
ugh = start_adns_query(&keyid,
NULL,
ns_t_key,
key_add_continue,
&kc->ac);
break;
#endif /* USE_KEYRR */
default:
bad_case(kaa); /* suppress gcc warning */
}
if (ugh != NULL) {
oc->diag[kaa] = clone_str(ugh,
"early key add failure");
oc->refCount--;
}
}
/* Done launching queries.
* Handle total failure case.
*/
key_add_merge(oc, &keyid);
} else {
ugh = add_public_key(&keyid, DAL_LOCAL,
msg->pubkey_alg,
&msg->keyval, &pluto_pubkeys);
if (ugh != NULL)
loglog(RC_LOG_SERIOUS, "%s", ugh);
}
}
int main(int argc, char *argv[])
{
int opt = 0;
bool autoall = FALSE;
int configsetup = 0;
int checkconfig = 0;
const char *export = "export"; /* display export before the foo=bar or not */
bool
dolist = FALSE,
listadd = FALSE,
listroute = FALSE,
liststart = FALSE,
listignore = FALSE,
listall = FALSE,
liststack = FALSE;
char *configfile = NULL;
const char *varprefix = "";
int exit_status = 0;
struct starter_conn *conn = NULL;
const char *ctlbase = NULL;
bool resolvip = TRUE; /* default to looking up names */
#if 0
/* efence settings */
extern int EF_PROTECT_BELOW;
extern int EF_PROTECT_FREE;
EF_PROTECT_BELOW = 1;
EF_PROTECT_FREE = 1;
#endif
progname = argv[0];
rootdir[0] = '\0';
tool_init_log();
while ((opt = getopt_long(argc, argv, "", longopts, 0)) != EOF) {
switch (opt) {
case 'h':
/* usage: */
usage();
break;
case 'a':
autoall = TRUE;
break;
case 'D':
verbose++;
lex_verbosity++;
break;
case 'T':
configsetup++; /* ??? is this not idempotent? */
break;
case 'K':
checkconfig++; /* ??? is this not idempotent? */
break;
case 'N':
export = "";
break;
case 'C':
configfile = clone_str(optarg, "config file name");
break;
case 'c':
ctlbase = clone_str(optarg, "control base");
break;
case 'L':
listadd = TRUE;
dolist = TRUE;
break;
case 'r':
listroute = TRUE;
dolist = TRUE;
break;
case 's':
liststart = TRUE;
dolist = TRUE;
break;
case 'S':
liststack = TRUE;
dolist = TRUE;
break;
case 'i':
listignore = TRUE;
dolist = TRUE;
break;
case 'A':
listall = TRUE;
dolist = TRUE;
break;
case 'P':
varprefix = optarg;
break;
case 'R':
printf("setting rootdir=%s\n", optarg);
jam_str(rootdir, sizeof(rootdir), optarg);
break;
case 'd':
case 'n':
printf("Warning: options --defaultroute and --defaultroutenexthop are obsolete and were ignored\n");
break;
default:
usage();
}
}
/* if nothing to add, then complain */
if (optind == argc && !autoall && !dolist && !configsetup &&
!checkconfig)
usage();
if (verbose > 3) {
yydebug = 1;
}
char *confdir = IPSEC_CONFDIR;
if (configfile == NULL) {
/* ??? see code clone in programs/readwriteconf/readwriteconf.c */
configfile = alloc_bytes(strlen(confdir) +
sizeof("/ipsec.conf"),
"conf file");
/* calculate default value for configfile */
strcpy(configfile, confdir); /* safe: see allocation above */
if (configfile[0] != '\0' && configfile[strlen(configfile) - 1] != '/')
strcat(configfile, "/"); /* safe: see allocation above */
strcat(configfile, "ipsec.conf"); /* safe: see allocation above */
}
if (verbose)
printf("opening file: %s\n", configfile);
starter_use_log(verbose != 0, TRUE, verbose == 0);
if (configsetup || checkconfig || dolist) {
/* skip if we have no use for them... causes delays */
resolvip = FALSE;
}
struct starter_config *cfg = NULL;
{
err_t err = NULL;
cfg = confread_load(configfile, &err, resolvip, ctlbase, configsetup);
if (cfg == NULL) {
fprintf(stderr, "cannot load config '%s': %s\n",
configfile, err);
exit(3);
} else if (checkconfig) {
confread_free(cfg);
exit(0);
}
}
#ifdef HAVE_SECCOMP
switch(cfg->setup.options[KBF_SECCOMP]) {
case SECCOMP_ENABLED:
init_seccomp_addconn(SCMP_ACT_KILL);
break;
case SECCOMP_TOLERANT:
init_seccomp_addconn(SCMP_ACT_ERRNO(EACCES));
break;
case SECCOMP_DISABLED:
break;
default:
bad_case(cfg->setup.options[KBF_SECCOMP]);
}
#endif
if (autoall) {
if (verbose)
printf("loading all conns according to their auto= settings\n");
/*
* Load all conns marked as auto=add or better.
* First, do the auto=route and auto=add conns to quickly
* get routes in place, then do auto=start as these can be
* slower.
* This mimics behaviour of the old _plutoload
*/
if (verbose)
printf(" Pass #1: Loading auto=add, auto=route and auto=start connections\n");
for (conn = cfg->conns.tqh_first;
conn != NULL;
conn = conn->link.tqe_next) {
if (conn->desired_state == STARTUP_ADD ||
conn->desired_state == STARTUP_ONDEMAND ||
conn->desired_state == STARTUP_START) {
if (verbose)
printf(" %s", conn->name);
resolve_defaultroute(conn);
starter_whack_add_conn(cfg, conn);
}
}
/*
* We loaded all connections. Now tell pluto to listen,
* then route the conns and resolve default route.
*/
starter_whack_listen(cfg);
if (verbose)
printf(" Pass #2: Routing auto=route and auto=start connections\n");
for (conn = cfg->conns.tqh_first;
conn != NULL;
conn = conn->link.tqe_next) {
if (conn->desired_state == STARTUP_ADD ||
conn->desired_state == STARTUP_ONDEMAND ||
conn->desired_state == STARTUP_START) {
if (verbose)
printf(" %s", conn->name);
resolve_defaultroute(conn);
if (conn->desired_state == STARTUP_ONDEMAND ||
conn->desired_state == STARTUP_START) {
starter_whack_route_conn(cfg, conn);
}
}
}
if (verbose)
printf(" Pass #3: Initiating auto=start connections\n");
for (conn = cfg->conns.tqh_first;
conn != NULL;
conn = conn->link.tqe_next) {
if (conn->desired_state == STARTUP_START) {
if (verbose)
printf(" %s", conn->name);
starter_whack_initiate_conn(cfg, conn);
}
}
if (verbose)
printf("\n");
} else {
/* load named conns, regardless of their state */
int connum;
if (verbose)
printf("loading named conns:");
for (connum = optind; connum < argc; connum++) {
char *connname = argv[connum];
if (verbose)
printf(" %s", connname);
for (conn = cfg->conns.tqh_first;
conn != NULL;
conn = conn->link.tqe_next) {
if (streq(conn->name, connname)) {
if (conn->state == STATE_ADDED) {
printf("\nconn %s already added\n",
conn->name);
} else if (conn->state ==
STATE_FAILED) {
printf("\nconn %s did not load properly\n",
conn->name);
} else {
resolve_defaultroute(conn);
exit_status =
starter_whack_add_conn(
cfg,
conn);
conn->state = STATE_ADDED;
}
break;
}
}
if (conn == NULL) {
/*
* only if we don't find it, do we now look
* for aliases
*/
for (conn = cfg->conns.tqh_first;
conn != NULL;
conn = conn->link.tqe_next) {
if (conn->strings_set[KSCF_CONNALIAS] &&
lsw_alias_cmp(connname,
conn->
strings[KSCF_CONNALIAS]
)) {
if (conn->state ==
STATE_ADDED) {
printf("\nalias: %s conn %s already added\n",
connname,
conn->name);
} else if (conn->state ==
STATE_FAILED) {
printf("\nalias: %s conn %s did not load properly\n",
connname,
conn->name);
} else {
resolve_defaultroute(
conn);
exit_status =
starter_whack_add_conn(
cfg,
conn);
conn->state =
STATE_ADDED;
}
break;
}
}
}
if (conn == NULL) {
exit_status++;
if (!verbose) {
printf("conn '%s': not found (tried aliases)\n",
connname);
} else {
printf(" (notfound)\n");
}
}
}
}
if (listall) {
if (verbose)
printf("listing all conns\n");
for (conn = cfg->conns.tqh_first;
conn != NULL;
conn = conn->link.tqe_next)
printf("%s ", conn->name);
printf("\n");
} else {
if (listadd) {
if (verbose)
printf("listing all conns marked as auto=add\n");
/* list all conns marked as auto=add */
for (conn = cfg->conns.tqh_first;
conn != NULL;
conn = conn->link.tqe_next) {
if (conn->desired_state == STARTUP_ADD)
printf("%s ", conn->name);
}
}
if (listroute) {
if (verbose)
printf("listing all conns marked as auto=route and auto=start\n");
/*
* list all conns marked as auto=route or start or
* better
*/
for (conn = cfg->conns.tqh_first;
conn != NULL;
conn = conn->link.tqe_next) {
if (conn->desired_state == STARTUP_START ||
conn->desired_state == STARTUP_ONDEMAND)
printf("%s ", conn->name);
}
}
if (liststart && !listroute) {
if (verbose)
printf("listing all conns marked as auto=start\n");
/* list all conns marked as auto=start */
for (conn = cfg->conns.tqh_first;
conn != NULL;
conn = conn->link.tqe_next) {
if (conn->desired_state == STARTUP_START)
printf("%s ", conn->name);
}
}
if (listignore) {
if (verbose)
printf("listing all conns marked as auto=ignore\n");
/* list all conns marked as auto=start */
for (conn = cfg->conns.tqh_first;
conn != NULL;
conn = conn->link.tqe_next) {
if (conn->desired_state == STARTUP_IGNORE)
printf("%s ", conn->name);
}
printf("\n");
}
}
if (liststack) {
const struct keyword_def *kd;
for (kd = ipsec_conf_keywords_v2; kd->keyname != NULL; kd++) {
if (strstr(kd->keyname, "protostack")) {
if (cfg->setup.strings[kd->field]) {
printf("%s\n",
cfg->setup.strings[kd->field]);
} else {
/* implicit default */
printf("netkey\n");
}
}
}
confread_free(cfg);
exit(0);
}
if (configsetup) {
const struct keyword_def *kd;
printf("%s %sconfreadstatus=''\n", export, varprefix);
for (kd = ipsec_conf_keywords_v2; kd->keyname != NULL; kd++) {
if ((kd->validity & kv_config) == 0)
continue;
switch (kd->type) {
case kt_string:
case kt_filename:
case kt_dirname:
case kt_loose_enum:
if (cfg->setup.strings[kd->field]) {
printf("%s %s%s='%s'\n",
export, varprefix, kd->keyname,
cfg->setup.strings[kd->field]);
}
break;
case kt_bool:
printf("%s %s%s='%s'\n", export, varprefix,
kd->keyname,
cfg->setup.options[kd->field] ?
"yes" : "no");
break;
case kt_list:
printf("%s %s%s='",
export, varprefix, kd->keyname);
confwrite_list(stdout, "",
cfg->setup.options[kd->field],
kd);
printf("'\n");
break;
case kt_obsolete:
printf("# obsolete option '%s%s' ignored\n",
varprefix, kd->keyname);
break;
default:
if (cfg->setup.options[kd->field] ||
cfg->setup.options_set[kd->field]) {
printf("%s %s%s='%d'\n",
export, varprefix, kd->keyname,
cfg->setup.options[kd->field]);
}
break;
}
}
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 */
}
/*
* Return a required oakley or ipsec keysize or 0 if not required.
* The first parameter uses 0 for ESP, and anything above that for
* IKE major version
*/
int crypto_req_keysize(int ksproto, int algo)
{
switch(ksproto) {
case 2: /* IKEv2 */
switch(algo) {
case IKEv2_ENCR_CAST:
return CAST_KEY_DEF_LEN;
case IKEv2_ENCR_AES_CBC:
case IKEv2_ENCR_AES_CTR:
case IKEv2_ENCR_AES_CCM_8:
case IKEv2_ENCR_AES_CCM_12:
case IKEv2_ENCR_AES_CCM_16:
case IKEv2_ENCR_AES_GCM_8:
case IKEv2_ENCR_AES_GCM_12:
case IKEv2_ENCR_AES_GCM_16:
case IKEv2_ENCR_NULL_AUTH_AES_GMAC:
return AES_KEY_DEF_LEN;
case IKEv2_ENCR_CAMELLIA_CTR:
case IKEv2_ENCR_CAMELLIA_CCM_A:
case IKEv2_ENCR_CAMELLIA_CCM_B:
case IKEv2_ENCR_CAMELLIA_CCM_C:
return CAMELLIA_KEY_DEF_LEN;
/* private use */
case IKEv2_ENCR_SERPENT_CBC:
return SERPENT_KEY_DEF_LEN;
case IKEv2_ENCR_TWOFISH_CBC:
case IKEv2_ENCR_TWOFISH_CBC_SSH: /* ?? */
return TWOFISH_KEY_DEF_LEN;
default:
return 0;
}
case 1: /* IKEv1 */
switch(algo) {
case OAKLEY_CAST_CBC:
return CAST_KEY_DEF_LEN;
case OAKLEY_AES_CBC:
return AES_KEY_DEF_LEN;
case OAKLEY_CAMELLIA_CBC:
return CAMELLIA_KEY_DEF_LEN;
/* private use */
case OAKLEY_SERPENT_CBC:
return SERPENT_KEY_DEF_LEN;
case OAKLEY_TWOFISH_CBC:
case OAKLEY_TWOFISH_CBC_SSH: /* ?? */
return TWOFISH_KEY_DEF_LEN;
default:
return 0;
}
case 0: /* ESP */
switch(algo) {
case ESP_CAST:
return CAST_KEY_DEF_LEN;
case ESP_AES:
return AES_KEY_DEF_LEN;
case ESP_AES_CTR:
return AES_CTR_KEY_DEF_LEN;
case ESP_AES_CCM_8:
case ESP_AES_CCM_12:
case ESP_AES_CCM_16:
return AES_CCM_KEY_DEF_LEN;
case ESP_AES_GCM_8:
case ESP_AES_GCM_12:
case ESP_AES_GCM_16:
return AES_GCM_KEY_DEF_LEN;
case ESP_CAMELLIA:
return CAMELLIA_KEY_DEF_LEN;
case ESP_NULL_AUTH_AES_GMAC:
return AES_GMAC_KEY_DEF_LEN;
/* private use */
case ESP_SERPENT:
return SERPENT_KEY_DEF_LEN;
case ESP_TWOFISH:
return TWOFISH_KEY_DEF_LEN;
default:
return 0;
}
default:
bad_case(ksproto);
}
}
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);
}
static void key_add_request(const whack_message_t *msg)
{
identification_t *key_id;
key_id = identification_create_from_string(msg->keyid);
if (!msg->whack_addkey)
{
delete_public_keys(key_id, msg->pubkey_alg, NULL, chunk_empty);
}
if (msg->keyval.len == 0)
{
struct key_add_common *oc = malloc_thing(struct key_add_common);
enum key_add_attempt kaa;
err_t ugh;
/* initialize state shared by queries */
oc->refCount = 0;
oc->whack_fd = dup_any(whack_log_fd);
oc->success = FALSE;
for (kaa = ka_TXT; kaa != ka_roof; kaa++)
{
struct key_add_continuation *kc;
oc->diag[kaa] = NULL;
oc->refCount++;
kc = malloc_thing(struct key_add_continuation);
kc->common = oc;
kc->lookingfor = kaa;
switch (kaa)
{
case ka_TXT:
ugh = start_adns_query(key_id
, key_id /* same */
, T_TXT
, key_add_continue
, &kc->ac);
break;
#ifdef USE_KEYRR
case ka_KEY:
ugh = start_adns_query(key_id
, NULL
, T_KEY
, key_add_continue
, &kc->ac);
break;
#endif /* USE_KEYRR */
default:
bad_case(kaa); /* suppress gcc warning */
}
if (ugh)
{
oc->diag[kaa] = clone_str(ugh);
oc->refCount--;
}
}
/* Done launching queries. Handle total failure case. */
key_add_merge(oc, key_id);
}
else
{
if (!add_public_key(key_id, DAL_LOCAL, msg->pubkey_alg, msg->keyval,
int
main(int argc, char **argv)
{
bool fork_desired = TRUE;
bool log_to_stderr_desired = FALSE;
int lockfd;
char* ocspuri = NULL;
#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
#ifdef VIRTUAL_IP
/** Overridden by virtual_private= in ipsec.conf */
char *virtual_private = NULL;
#endif
/* 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'},
{ "ocsprequestcert", required_argument, NULL, 'q'},
{ "ocspuri", required_argument, NULL, 'o'},
{ "uniqueids", no_argument, NULL, 'u' },
{ "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' },
{ "noretransmits", no_argument, NULL, 'R' },
{ "ipsecdir", required_argument, NULL, 'f' },
{ "ipsec_dir", required_argument, NULL, 'f' },
#ifdef USE_LWRES
{ "lwdnsq", required_argument, NULL, 'a' },
#else /* !USE_LWRES */
{ "adns", required_argument, NULL, 'a' },
#endif /* !USE_LWRES */
#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' },
#endif
#ifdef VIRTUAL_IP
{ "virtual_private", required_argument, NULL, '6' },
#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-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-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 },
#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("%s%s\n", ipsec_version_string(),
compile_time_interop_options);
for (; *sp != NULL; sp++)
puts(*sp);
}
exit(0); /* not exit_pluto because we are not initialized yet */
break; /* not actually reached */
case '+': /* --optionsfrom <filename> */
optionsfrom(optarg, &argc, &argv, optind, stderr);
/* does not return on error */
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 '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 'o': /* --ocspuri */
ocspuri = optarg;
continue;
case 'u': /* --uniqueids */
uniqueIDs = 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': /* --ipsecdir <ipsec-dir> */
ipsec_dir = 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;
case '5': /* --debug-nat_t */
base_debugging |= DBG_NATT;
continue;
#endif
#ifdef VIRTUAL_IP
case '6': /* --virtual_private */
virtual_private = optarg;
continue;
#endif
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;
pfkey_error_func = DBG_log;
#else
pfkey_debug_func = NULL;
pfkey_error_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);
}
}
#ifdef IPSECPOLICY
/* create info socket. */
{
err_t ugh = init_info_socket();
if (ugh != NULL)
{
fprintf(stderr, "pluto: %s", ugh);
exit_pluto(1);
}
}
#endif
/* 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)
#ifdef IPSECPOLICY
&& i != info_fd
#endif
&& 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();
pluto_init_log();
/* Note: some scripts may look for this exact message -- don't change
* ipsec barf was one, but it no longer does.
*/
{
#ifdef PLUTO_SENDS_VENDORID
const char *v = init_pluto_vendorid();
openswan_log("Starting Pluto (Openswan Version %s%s; Vendor ID %s)"
, ipsec_version_code()
, compile_time_interop_options
, v);
#else
openswan_log("Starting Pluto (Openswan Version %s%s)"
, ipsec_version_code()
, compile_time_interop_options);
#endif
}
/** Initialize all of the various features */
#ifdef NAT_TRAVERSAL
init_nat_traversal(nat_traversal, keep_alive, force_keepalive, nat_t_spf);
#endif
#ifdef VIRTUAL_IP
init_virtual_ip(virtual_private);
#endif
init_rnd_pool();
init_secret();
init_states();
init_crypto();
init_demux();
init_kernel();
init_adns();
init_id();
#ifdef HAVE_THREADS
init_fetch();
#endif
ocsp_set_default_uri(ocspuri);
/* loading X.509 CA certificates */
load_authcerts("CA cert", CA_CERT_PATH, AUTH_CA);
/* loading X.509 AA certificates */
load_authcerts("AA cert", AA_CERT_PATH, AUTH_AA);
/* loading X.509 OCSP certificates */
load_authcerts("OCSP cert", OCSP_CERT_PATH, AUTH_OCSP);
/* loading X.509 CRLs */
load_crls();
/* loading attribute certificates (experimental) */
load_acerts();
daily_log_event();
call_server();
return -1; /* Shouldn't ever reach this */
}
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 */
}
int main(int argc, char **argv)
{
int lockfd;
bool restore_vrf_pluto = 0;
/*此开关必须放在所有动态内存分配之前*/
leak_detective=0;
debug_info_control* dic=alloc_bytes(sizeof(debug_info_control), "malloc debug_info_control in main");
openswan_passert_fail = passert_fail;
/*设备类型初始化*/
ipsec_device_type_init();
{
u32 pseudo_start_pluto = 0;
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' },
{ "start", no_argument, NULL, 'B' },
{ "quit", no_argument, NULL, 'D' },
{ "user", no_argument, NULL, 'u' },
{ "krl", no_argument, NULL, 'K' },
{ "debug-nat", no_argument, NULL, '5' },
{ "debug-none", no_argument, NULL, 'N' },
{ "debug-all", no_argument, NULL, 'A' },
{ "debug-raw", no_argument, NULL, DBG_RAW + 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-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-xauth", no_argument, NULL, DBG_XAUTH+ 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 },
{ "debug-ifchange", no_argument, NULL, DBG_IF_CHANGE + DBG_OFFSET },
{ "log-openinfo", no_argument, NULL, 'i' },
{ "log-openwar", no_argument, NULL, 'w' },
{ "log-openerr", no_argument, NULL, 'r' },
{ "log-openuserlog", no_argument, NULL, 'e' },
{ "log-openradiuslog", no_argument, NULL, 'c' },
{ "log-openpri", no_argument, NULL, 'p' },
{ "log-opensyserr", no_argument, NULL, 'q' },
{ "log-closeall", no_argument, NULL, 'a' },
{ "debug-connection", required_argument, NULL, 'O' },
{ "debug-host", required_argument, NULL, 'H' },
{ "debug-stop", no_argument, NULL, 'S' },
{ "counter", no_argument, NULL, 'b' },
{ "isa-counter", no_argument, NULL, 'x' },
{ "krc", no_argument, NULL, 'E'},
{ "kss", required_argument, NULL, 'F'},
{ "kpc", no_argument, NULL, 'G'},
{ "kprt", required_argument, NULL, 'L'},
{ "kspi", required_argument, NULL, 'M' },
{ "kdst", required_argument, NULL, 'P' },
{ "kdnet", required_argument, NULL, 'R' },
{ "kid", required_argument, NULL, 'Q' },
{ "restore-vrf", no_argument, NULL, 'V' },
{ 0,0,0,0 }
};
int c = getopt_long(argc, argv, "", long_opts, NULL);
ip_address dst_tmp;
ip_subnet subnet_tmp;
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;
case 'h':
usage(NULL);
break;
case 'v':
{
const char **sp = ipsec_copyright_notice();
printf("%s%s\n", ipsec_version_string(),compile_time_interop_options);
for (; *sp != NULL; sp++)
{
puts(*sp);
}
}
exit(0);
break;
case 'i':
dic->public_info.log_falg = 1;
dic->public_info.log_level_info |= IPSEC_LOGLEVEL_INFO;
continue;
case 'w':
dic->public_info.log_falg = 1;
dic->public_info.log_level_info |= IPSEC_LOGLEVEL_WARNING;
continue;
case 'r':
dic->public_info.log_falg = 1;
dic->public_info.log_level_info |= IPSEC_LOGLEVEL_ERROR;
continue;
case 'e':
dic->public_info.log_falg = 1;
dic->public_info.log_level_info |= IPSEC_LOGLEVEL_USER_LOG;
continue;
case 'c':
dic->public_info.log_falg = 1;
dic->public_info.log_level_info |= IPSEC_LOGLEVEL_RADIUS_LOG;
continue;
case 'p':
dic->public_info.log_falg = 1;
dic->public_info.log_level_info |= IPSEC_LOGLEVEL_PRIVATE;
continue;
case 'q':
dic->public_info.log_falg = 1;
dic->public_info.log_level_info |= IPSEC_LOGLEVEL_SYSERROR;
continue;
case 'a':
dic->public_info.log_falg = 1;
dic->public_info.log_level_info=IPSEC_LOGLEVEL_CLOSE;
continue;
case 'B':
dic->com_type=IPSEC_DEBUG_STAR_HANDLE;
continue;
case 'D':
dic->com_type=IPSEC_DEBUG_QUIT_HANDLE;
continue;
case 'u':
dic->com_type=IPSEC_DEBUG_USER_HANDLE;
continue;
case 'K':
dic->com_type=IPSEC_DEBUG_KERNEL_HANDLE;
continue;
case 'N': /* --debug-none */
dic->public_info.public_info_flag=1;
dic->public_info.public_info_value=DBG_NONE;
continue;
case 'A': /* --debug-all */
dic->public_info.public_info_flag=1;
dic->public_info.public_info_value=DBG_ALL;
continue;
case 'O':
if(optarg != NULL)
{
strcpy(dic->child_info.child_info_optarg,optarg);
dic->child_info.child_info_type=IPSEC_CHILD_DEBUG_INFO_CON_NAME;
}
else
{
return 0;
}
break;
case 'H':
if(optarg != NULL)
{
strcpy(dic->child_info.child_info_optarg,optarg);
dic->child_info.child_info_type=IPSEC_CHILD_DEBUG_INFO_HOST;
}
else
{
return 0;
}
break;
case 'S':
dic->child_info.child_info_type=IPSEC_CHILD_DEBUG_INFO_STOP;
break;
case 'b':
dic->child_info.child_info_type=IPSEC_CHILD_DEBUG_INFO_PRINT_COUNTER;
break;
case 'x':
dic->child_info.child_info_type=IPSEC_CHILD_DEBUG_INFO_PRINT_ISA_COUNTER;
break;
case 'E':
pseudo_start_pluto = 1;
dic->kernel_info.flag= IPSEC_RESET_COUNTER;
continue;
case 'F':
pseudo_start_pluto = 1;
dic->kernel_info.flag = IPSEC_SET_DEBUG_SIP;
dic->kernel_info.sip =inet_addr(optarg);
continue;
case 'G':
pseudo_start_pluto = 1;
dic->kernel_info.flag = IPSEC_DUMP_COUNTER;
continue;
case 'L':
pseudo_start_pluto = 1;
dic->kernel_info.flag=IPSEC_PRINT_INTERFACE_TEMP;
if_get_index_by_name(optarg, (s32*)(&dic->kernel_info.ifindex));
continue;
case 'M':
pseudo_start_pluto = 1;
dic->kernel_info.flag=IPSEC_PRINT_INTERFACE_TEMP;
dic->kernel_info.spi = (u32)chartoint(optarg,strlen(optarg));
if((int)dic->kernel_info.spi < 0)
{
fprintf(stderr,"%s IS ERROR INPUT(For Example:0x123...)\n",optarg);
pfree(dic);
return 0;
}
continue;
case 'P':
pseudo_start_pluto = 1;
dic->kernel_info.flag=IPSEC_PRINT_INTERFACE_TEMP;
if(ttoaddr(optarg, 0, AF_INET, &dst_tmp))
{
fprintf(stderr,"you must input right IP\n");
pfree(dic);
return 0;
}
else{
dic->kernel_info.dsc.a4 = dst_tmp.u.v4.sin_addr.s_addr;
continue;
}
case 'R':
pseudo_start_pluto = 1;
dic->kernel_info.flag=IPSEC_PRINT_INTERFACE_TEMP;
if(ttosubnet(optarg, 0, AF_INET, &subnet_tmp))
{
fprintf(stderr,"you must input right subnet\n");
pfree(dic);
return 0;
}
else{
dic->kernel_info.net.a4 = subnet_tmp.addr.u.v4.sin_addr.s_addr;
continue;
}
case 'Q':
pseudo_start_pluto = 1;
dic->kernel_info.flag=IPSEC_PRINT_INTERFACE_TEMP;
dic->kernel_info.connid = atoi(optarg);
continue;
case 'V':
{
restore_vrf_pluto = 1;
}
continue;
default:
if (c >= DBG_OFFSET)
{
dic->public_info.public_info_flag=1;
dic->public_info.public_info_value |= c - DBG_OFFSET;
}
continue;
bad_case(c);
}
break;
}
/**
if(restore_vrf_pluto)
{
ipsec_restore_vrf_pluto();
}
**/
ipsec_restore_vrf_pluto();
{
u32 err;
conplat_syscall(MODULEID_OSBASIC, OSBASIC_GET_VRF_ID, &g_ipsec_vrf_id, sizeof(g_ipsec_vrf_id), (s32*)(&err));
if(err != 0)
{
g_ipsec_vrf_id = 0;
}
sprintf(pluto_lock + strlen(pluto_lock), "_%d", g_ipsec_vrf_id);
sprintf(ctl_addr.sun_path+ strlen(ctl_addr.sun_path), "_%d", g_ipsec_vrf_id);
sprintf(ws_ctl_addr.sun_path+ strlen(ws_ctl_addr.sun_path), "_%d", g_ipsec_vrf_id);
}
switch(dic->com_type)
{
case IPSEC_DEBUG_STAR_HANDLE:
if(dic->public_info.public_info_flag)
{
cur_debugging = dic->public_info.public_info_value;
}
if(dic->public_info.log_falg)
{
g_log_level = dic->public_info.log_level_info;
}
break;
case IPSEC_DEBUG_USER_HANDLE:
send_connection_debug(dic, IPSEC_DEBUG_USER_HANDLE);
pfree(dic);
return 0;
case IPSEC_DEBUG_KERNEL_HANDLE:
if(pseudo_start_pluto == 1)
{
u32 syscall_result = 0;
if((dic->kernel_info.flag==IPSEC_PRINT_INTERFACE_TEMP)&&(0 == dic->kernel_info.ifindex))
{
fprintf(stderr,"you must input the if name\n");
pfree(dic);
return 0;
}
conplat_syscall(MODULEID_IPSEC_POLICY, IPSEC_MODULE_DEBUG_PART, (void *)(&dic->kernel_info), sizeof(struct ipsec_user_debug_info), (s32 *)(&syscall_result));
if(g_ipsec_device_is_dpx)
{
(u32)conplat_syscall(FW_MODULEID_IPSEC | FW_BOARD, IPSEC_MODULE_DEBUG_PART, (void *)(&dic->kernel_info), sizeof(struct ipsec_user_debug_info), (s32 *)(&syscall_result));
}
}
else
{
fprintf(stderr,"after --kernel ,you must input the right command\n");
}
pfree(dic);
return 0;
case IPSEC_DEBUG_QUIT_HANDLE:
send_connection_debug(dic, IPSEC_DEBUG_QUIT_HANDLE);
pfree(dic);
return 0;
default:
fprintf(stderr,"you must input --start --quit --user or --kernel\n");
exit(0);
}
pfree(dic);
}
if (optind != argc)
{
usage("unexpected argument");
}
//如果你想再重启设备后默认打开调试开关
#if 0
cur_debugging = DBG_ALL;
#endif
lockfd = create_lock();
g_log_level |= ws_get_log_level(); //获得显示级别
g_ipsec_multiout = ws_get_multiOut(); //获取多接口转发标志位
if(g_ipsec_multiout)
{
int res;
conplat_syscall(MODULEID_IPSEC_POLICY, IPSEC_MODULE_MULTI_OUT, &(g_ipsec_multiout), sizeof(g_ipsec_multiout), &res);
}
ipsec_restore_tunnel_ipsec();
ipsec_init_lv2_switch();
ipsec_init_route_mode();
ipsec_init_user_syn();
ipsec_init_compress_enable();
ipsec_init_udp_checksum_switch();
ipsec_init_cookie();
ipsec_esp_alg_init();
init_vendorid();
//daemon之前销毁缓冲池中的数据库句柄，使用make_daemon不用加此函数
sqlite3_clear_buffer_ex();
{
{
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);
}
}
/** Close everything but 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 */
{
close(i);
}
/* make sure that stdin, stdout, stderr are reserved */
if (open("/dev/null", O_RDONLY) != 0)
{
IPSEC_abort();
}
if (dup2(0, 1) != 1)
{
IPSEC_abort();
}
}
init_constants();
init_pluto_vendorid();
ipsec_version_code();
ipsec_get_slot_bit(); // 需要放在ipsec_template_delete_all 前面
ipsec_template_delete_all();
ipsec_enable_flag(1);
ipsec_init_nat_traversal();
init_rnd_pool();
init_states();
init_connections();//添加到elist链中phase2 pending timer
init_crypto();
ipsec_drv_rsa_para_init(); //初始化使用硬件模幂运算时的固定参数
load_oswcrypto();
init_demux();
/* loading X.509 CA certificates */
load_authcerts("CA cert", "/config/sys/certificate/cacerts", AUTH_CA);
/* loading X.509 CRLs */
load_crls();
fflush(stderr);
fflush(stdout);
IPSEC_dbg("listening for IKE messages");
init_ws_ctl_socket();
/*初始化dpdns守护进程*/
ipsec_dpdns_init_helper();
/*读取DPVPN相关配置并初始化*/
//ipsec_dpvpn_init_cfg();
/*该操作放在操作数据库之后的主进程处理不能再数据操作*/
sqlite3_clear_buffer_ex();
/*初始化子进程*/
ipsec_child_init_helpers();
ipsec_main_call_server();
return -1; /* Shouldn't ever reach this */
}