const SSL_METHOD *sycDTLSv1_client_method(void) {
const SSL_METHOD *result;
Debug("DTLSv1_client_method()");
result = DTLSv1_client_method();
Debug1("DTLSv1_client_method() -> %p", result);
return result;
}
SSL_CTX* EdSSLContext::buildClientCtx(int ver)
{
SSL_CTX *pctx;
const SSL_METHOD *method;
switch (ver)
{
case SSL_VER_TLSV1:
method = TLSv1_method();
break;
case SSL_VER_TLSV11:
method = TLSv1_1_client_method();
break;
case SSL_VER_V23:
method = SSLv23_client_method();
break;
case SSL_VER_V3:
method = SSLv3_client_method();
break;
case SSL_VER_DTLSV1:
method = DTLSv1_client_method();
break;
default:
method = NULL;
break;
}
if (method == NULL)
return NULL;
pctx = SSL_CTX_new(method);
return pctx;
}
static const SSL_METHOD *
dtls1_get_client_method(int ver)
{
if (ver == DTLS1_VERSION || ver == DTLS1_BAD_VER)
return (DTLSv1_client_method());
return (NULL);
}
static SSL_CTX *dtls_setup_sslclient (void)
{
SSL_METHOD *meth = NULL;
SSL_CTX *ctx = NULL;
extern char *pass;
if (!dtls_bio_err)
{
SSL_library_init ();
ERR_clear_error ();
SSL_load_error_strings ();
OpenSSL_add_all_algorithms ();
dtls_bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
}
meth = DTLSv1_client_method (); // Datagam TLS v1 client - requires openSSL > v0.9.8
ctx = SSL_CTX_new (meth); // New SSL CTX object as Framework to establish new SSL connections
if (!SSL_CTX_use_certificate_chain_file (ctx, DTLSC_CERT))
{
dtls_destroy_ctx (ctx);
dtls_report_berr ("Error loading the file \"%s\" - %s\n", DTLSC_CERT, strerror (errno));
}
pass = PASSWORD;
/* Enable this if u hve generated your certificates with password. If certs are generated with '-nodes' option, this is not required */
// SSL_CTX_set_default_passwd_cb (ctx, dtls_password_cb);
// fprintf (stderr, "%s: %s(): Am now here @ %d\n", __FILE__, __func__, __LINE__);
if (!SSL_CTX_use_PrivateKey_file (ctx, DTLSC_KEY_CERT, SSL_FILETYPE_PEM))
{
dtls_destroy_ctx (ctx);
dtls_report_berr ("Error loading the private key from the file \"%s\" - %s\n", DTLSC_KEY_CERT, \
strerror (errno));
}
if (!SSL_CTX_load_verify_locations (ctx, DTLSC_ROOT_CACERT, 0))
{
dtls_destroy_ctx (ctx);
dtls_report_berr ("Error loading the CA file - %s\n", strerror (errno));
}
SSL_CTX_set_verify_depth (ctx, 2);
SSL_CTX_set_options (ctx, SSL_OP_ALL | SSL_OP_NO_SSLv2);
#ifdef DEBUG
SSL_CTX_set_info_callback (ctx, &dtls_info_callback);
#endif
SSL_CTX_set_read_ahead (ctx, 1); // Required for DTLS - please refer apps/s_client.c source file
return ctx;
}
static const SSL_METHOD *dtls1_get_client_method(int ver)
{
if (ver == DTLS_ANY_VERSION)
return DTLS_client_method();
else if (ver == DTLS1_VERSION || ver == DTLS1_BAD_VER)
return DTLSv1_client_method();
else if (ver == DTLS1_2_VERSION)
return DTLSv1_2_client_method();
else
return NULL;
}
static const SSL_METHOD *swSSL_get_method(int method)
{
switch (method)
{
#ifndef OPENSSL_NO_SSL3_METHOD
case SW_SSLv3_METHOD:
return SSLv3_method();
case SW_SSLv3_SERVER_METHOD:
return SSLv3_server_method();
case SW_SSLv3_CLIENT_METHOD:
return SSLv3_client_method();
#endif
case SW_SSLv23_SERVER_METHOD:
return SSLv23_server_method();
case SW_SSLv23_CLIENT_METHOD:
return SSLv23_client_method();
case SW_TLSv1_METHOD:
return TLSv1_method();
case SW_TLSv1_SERVER_METHOD:
return TLSv1_server_method();
case SW_TLSv1_CLIENT_METHOD:
return TLSv1_client_method();
#ifdef TLS1_1_VERSION
case SW_TLSv1_1_METHOD:
return TLSv1_1_method();
case SW_TLSv1_1_SERVER_METHOD:
return TLSv1_1_server_method();
case SW_TLSv1_1_CLIENT_METHOD:
return TLSv1_1_client_method();
#endif
#ifdef TLS1_2_VERSION
case SW_TLSv1_2_METHOD:
return TLSv1_2_method();
case SW_TLSv1_2_SERVER_METHOD:
return TLSv1_2_server_method();
case SW_TLSv1_2_CLIENT_METHOD:
return TLSv1_2_client_method();
#endif
case SW_DTLSv1_METHOD:
return DTLSv1_method();
case SW_DTLSv1_SERVER_METHOD:
return DTLSv1_server_method();
case SW_DTLSv1_CLIENT_METHOD:
return DTLSv1_client_method();
case SW_SSLv23_METHOD:
default:
return SSLv23_method();
}
return SSLv23_method();
}
IoSecureClient *IoSecureClient_useDTLS(IoSecureClient *self, IoObject *locals, IoMessage *msg)
{
#ifdef DTLS_IMPLEMENTED
SSL_CTX *ctx = OCTX(self);
if(SSL_CTX_set_ssl_version(ctx, DTLSv1_client_method()) != 1)
{
ERR_print_errors_fp(stderr);
IoState_error_(IOSTATE, msg, "Error using DTLS");
return IONIL(self);
}
SSL_CTX_set_read_ahead(ctx, 1);
return self;
#else
IoState_error_(IOSTATE, msg, "Addon built against OpenSSL older than 0.9.8; DTLS is not supported.");
return IONIL(self);
#endif
}
static const SSL_METHOD *swSSL_get_method(int method)
{
switch (method)
{
case SW_SSLv3_METHOD:
return SSLv3_method();
case SW_SSLv3_SERVER_METHOD:
return SSLv3_server_method();
case SW_SSLv3_CLIENT_METHOD:
return SSLv3_client_method();
case SW_SSLv23_SERVER_METHOD:
return SSLv23_server_method();
case SW_SSLv23_CLIENT_METHOD:
return SSLv23_client_method();
case SW_TLSv1_METHOD:
return TLSv1_method();
case SW_TLSv1_SERVER_METHOD:
return TLSv1_server_method();
case SW_TLSv1_CLIENT_METHOD:
return TLSv1_client_method();
case SW_TLSv1_1_METHOD:
return TLSv1_1_method();
case SW_TLSv1_1_SERVER_METHOD:
return TLSv1_1_server_method();
case SW_TLSv1_1_CLIENT_METHOD:
return TLSv1_1_client_method();
case SW_TLSv1_2_METHOD:
return TLSv1_2_method();
case SW_TLSv1_2_SERVER_METHOD:
return TLSv1_2_server_method();
case SW_TLSv1_2_CLIENT_METHOD:
return TLSv1_2_client_method();
case SW_DTLSv1_METHOD:
return DTLSv1_method();
case SW_DTLSv1_SERVER_METHOD:
return DTLSv1_server_method();
case SW_DTLSv1_CLIENT_METHOD:
return DTLSv1_client_method();
case SW_SSLv23_METHOD:
default:
return SSLv23_method();
}
return SSLv23_method();
}
ssl_client * ssl_start_client(int fd, struct sockaddr * remote_addr){
ssl_ensure_initialized();
SSL_CTX * ctx = SSL_CTX_new(DTLSv1_client_method());
SSL_CTX_set_cipher_list(ctx, "HIGH:!aNULL:!MD5:!RC4");
if (!SSL_CTX_use_certificate_file(ctx, "certs/client-cert.pem", SSL_FILETYPE_PEM))
printf("\nERROR: no certificate found!");
if (!SSL_CTX_use_PrivateKey_file(ctx, "certs/client-key.pem", SSL_FILETYPE_PEM))
printf("\nERROR: no private key found!");
if (!SSL_CTX_check_private_key (ctx))
printf("\nERROR: invalid private key!");
SSL_CTX_set_verify_depth (ctx, 2);
SSL_CTX_set_read_ahead(ctx, 1);
SSL * ssl = SSL_new(ctx);
// Create BIO, connect and set to already connected.
BIO * bio = BIO_new_dgram(fd, BIO_CLOSE);
BIO_ctrl(bio, BIO_CTRL_DGRAM_SET_CONNECTED, 0, remote_addr);
SSL_set_bio(ssl, bio, bio);
int ret = SSL_connect(ssl);
if(ret < 0){
handle_ssl_error(ssl, ret);
}
{
struct timeval timeout;
timeout.tv_sec = 3;
timeout.tv_usec = 0;
BIO_ctrl(bio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
}
ssl_client * cli = alloc0(sizeof(ssl_client));
cli->ssl = ssl;
cli->ctx = ctx;
return cli;
}
int dtls_openssl_connect(struct conn *conn)
{
if (!conn->dtls_data)
conn->dtls_data =
dtls_openssl_data_create(conn, DTLSv1_client_method(),
dtls_openssl_bio_method());
struct dtls_openssl_data *d = (struct dtls_openssl_data *) conn->dtls_data;
if (!d)
return 0;
// if (conn->dtls_psk)
// SSL_set_psk_client_callback(d->ssl, psk_client_cb);
int rc;
errno =0;
time_t timer = cw_timer_start(10);
do {
rc = SSL_connect(d->ssl);
}while(rc!=1 && errno==EAGAIN && !cw_timer_timeout(timer));
if (rc == 1) {
cw_dbg(DBG_DTLS,"SSL connect successfull!");
conn->read = dtls_openssl_read;
conn->write = dtls_openssl_write;
return 1;
}
rc = dtls_openssl_log_error(0, rc, "DTLS connect");
return 0;
}
int main(int argc, char **argv)
{
int port = 0;
int messagenumber = 5;
char local_addr[256];
int c;
int mclient = 1;
char peer_address[129] = "\0";
int peer_port = PEER_DEFAULT_PORT;
char rest_api_separator = ':';
int use_null_cipher=0;
set_logfile("stdout");
set_execdir();
set_system_parameters(0);
ns_bzero(local_addr, sizeof(local_addr));
while ((c = getopt(argc, argv, "d:p:l:n:L:m:e:r:u:w:i:k:z:W:C:E:F:vsyhcxXgtTSAPDNOUHMRIGB")) != -1) {
switch (c){
case 'B':
random_disconnect = 1;
break;
case 'G':
extra_requests = 1;
break;
case 'F':
STRCPY(cipher_suite,optarg);
break;
case 'I':
no_permissions = 1;
break;
case 'M':
mobility = 1;
break;
case 'H':
shatype = SHATYPE_SHA256;
break;
case 'E':
{
char* fn = find_config_file(optarg,1);
if(!fn) {
fprintf(stderr,"ERROR: file %s not found\n",optarg);
exit(-1);
}
STRCPY(ca_cert_file,fn);
}
break;
case 'O':
dos = 1;
break;
case 'C':
rest_api_separator=*optarg;
break;
case 'D':
mandatory_channel_padding = 1;
break;
case 'N':
negative_test = 1;
break;
case 'R':
negative_protocol_test = 1;
break;
case 'z':
RTP_PACKET_INTERVAL = atoi(optarg);
break;
case 'A':
use_short_term = 1;
break;
case 'u':
STRCPY(g_uname, optarg);
break;
case 'w':
STRCPY(g_upwd, optarg);
break;
case 'g':
dont_fragment = 1;
break;
case 'd':
STRCPY(client_ifname, optarg);
break;
case 'x':
default_address_family = STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV6;
break;
case 'X':
default_address_family = STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV4;
break;
case 'l':
clmessage_length = atoi(optarg);
break;
case 's':
do_not_use_channel = 1;
break;
case 'n':
messagenumber = atoi(optarg);
break;
case 'p':
port = atoi(optarg);
break;
case 'L':
STRCPY(local_addr, optarg);
break;
case 'e':
STRCPY(peer_address, optarg);
break;
case 'r':
peer_port = atoi(optarg);
break;
case 'v':
clnet_verbose = TURN_VERBOSE_NORMAL;
break;
case 'h':
hang_on = 1;
break;
case 'c':
no_rtcp = 1;
break;
case 'm':
mclient = atoi(optarg);
break;
case 'y':
c2c = 1;
break;
case 't':
use_tcp = 1;
break;
case 'P':
passive_tcp = 1;
/* implies 'T': */
/* no break */
case 'T':
relay_transport = STUN_ATTRIBUTE_TRANSPORT_TCP_VALUE;
break;
case 'U':
use_null_cipher = 1;
/* implies 'S' */
/* no break */
case 'S':
use_secure = 1;
break;
case 'W':
g_use_auth_secret_with_timestamp = 1;
STRCPY(g_auth_secret,optarg);
break;
case 'i':
{
char* fn = find_config_file(optarg,1);
if(!fn) {
fprintf(stderr,"ERROR: file %s not found\n",optarg);
exit(-1);
}
STRCPY(cert_file,fn);
free(fn);
}
break;
case 'k':
{
char* fn = find_config_file(optarg,1);
if(!fn) {
fprintf(stderr,"ERROR: file %s not found\n",optarg);
exit(-1);
}
STRCPY(pkey_file,fn);
free(fn);
}
break;
default:
fprintf(stderr, "%s\n", Usage);
exit(1);
}
}
if(g_use_auth_secret_with_timestamp) {
if(use_short_term) {
fprintf(stderr,"ERROR: You cannot use authentication secret (REST API) with short-term credentials mechanism.\n");
exit(-1);
}
{
char new_uname[1025];
const unsigned long exp_time = 3600 * 24; /* one day */
if(g_uname[0]) {
snprintf(new_uname,sizeof(new_uname),"%lu%c%s",(unsigned long)time(NULL) + exp_time,rest_api_separator, (char*)g_uname);
} else {
snprintf(new_uname,sizeof(new_uname),"%lu", (unsigned long)time(NULL) + exp_time);
}
STRCPY(g_uname,new_uname);
}
{
u08bits hmac[MAXSHASIZE];
unsigned int hmac_len;
switch(shatype) {
case SHATYPE_SHA256:
hmac_len = SHA256SIZEBYTES;
break;
default:
hmac_len = SHA1SIZEBYTES;
};
hmac[0]=0;
if(stun_calculate_hmac(g_uname, strlen((char*)g_uname), (u08bits*)g_auth_secret, strlen(g_auth_secret), hmac, &hmac_len, shatype)>=0) {
size_t pwd_length = 0;
char *pwd = base64_encode(hmac,hmac_len,&pwd_length);
if(pwd) {
if(pwd_length>0) {
ns_bcopy(pwd,g_upwd,pwd_length);
g_upwd[pwd_length]=0;
}
}
free(pwd);
}
}
}
if(is_TCP_relay()) {
dont_fragment = 0;
no_rtcp = 1;
c2c = 1;
use_tcp = 1;
do_not_use_channel = 1;
}
if(port == 0) {
if(use_secure)
port = DEFAULT_STUN_TLS_PORT;
else
port = DEFAULT_STUN_PORT;
}
if (clmessage_length < (int) sizeof(message_info))
clmessage_length = (int) sizeof(message_info);
const int max_header = 100;
if(clmessage_length > (int)(STUN_BUFFER_SIZE-max_header)) {
fprintf(stderr,"Message length was corrected to %d\n",(STUN_BUFFER_SIZE-max_header));
clmessage_length = (int)(STUN_BUFFER_SIZE-max_header);
}
if (optind >= argc) {
fprintf(stderr, "%s\n", Usage);
exit(-1);
}
if (!c2c) {
if (make_ioa_addr((const u08bits*) peer_address, peer_port, &peer_addr) < 0)
return -1;
if(peer_addr.ss.sa_family == AF_INET6)
default_address_family = STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV6;
}
/* SSL Init ==>> */
if(use_secure) {
SSL_load_error_strings();
OpenSSL_add_ssl_algorithms();
const char *csuite = "ALL"; //"AES256-SHA" "DH"
if(use_null_cipher)
csuite = "eNULL";
else if(cipher_suite[0])
csuite=cipher_suite;
if(use_tcp) {
root_tls_ctx[root_tls_ctx_num] = SSL_CTX_new(SSLv23_client_method());
SSL_CTX_set_cipher_list(root_tls_ctx[root_tls_ctx_num], csuite);
root_tls_ctx_num++;
root_tls_ctx[root_tls_ctx_num] = SSL_CTX_new(SSLv3_client_method());
SSL_CTX_set_cipher_list(root_tls_ctx[root_tls_ctx_num], csuite);
root_tls_ctx_num++;
root_tls_ctx[root_tls_ctx_num] = SSL_CTX_new(TLSv1_client_method());
SSL_CTX_set_cipher_list(root_tls_ctx[root_tls_ctx_num], csuite);
root_tls_ctx_num++;
#if defined(SSL_TXT_TLSV1_1)
root_tls_ctx[root_tls_ctx_num] = SSL_CTX_new(TLSv1_1_client_method());
SSL_CTX_set_cipher_list(root_tls_ctx[root_tls_ctx_num], csuite);
root_tls_ctx_num++;
#if defined(SSL_TXT_TLSV1_2)
root_tls_ctx[root_tls_ctx_num] = SSL_CTX_new(TLSv1_2_client_method());
SSL_CTX_set_cipher_list(root_tls_ctx[root_tls_ctx_num], csuite);
root_tls_ctx_num++;
#endif
#endif
} else {
#if defined(TURN_NO_DTLS)
fprintf(stderr,"ERROR: DTLS is not supported.\n");
exit(-1);
#else
if(OPENSSL_VERSION_NUMBER < 0x10000000L) {
TURN_LOG_FUNC(TURN_LOG_LEVEL_WARNING, "WARNING: OpenSSL version is rather old, DTLS may not be working correctly.\n");
}
root_tls_ctx[root_tls_ctx_num] = SSL_CTX_new(DTLSv1_client_method());
SSL_CTX_set_cipher_list(root_tls_ctx[root_tls_ctx_num], csuite);
root_tls_ctx_num++;
#endif
}
int sslind = 0;
for(sslind = 0; sslind<root_tls_ctx_num; sslind++) {
if(cert_file[0]) {
if (!SSL_CTX_use_certificate_chain_file(root_tls_ctx[sslind], cert_file)) {
TURN_LOG_FUNC(TURN_LOG_LEVEL_ERROR, "\nERROR: no certificate found!\n");
exit(-1);
}
}
if (!SSL_CTX_use_PrivateKey_file(root_tls_ctx[sslind], pkey_file,
SSL_FILETYPE_PEM)) {
TURN_LOG_FUNC(TURN_LOG_LEVEL_ERROR, "\nERROR: no private key found!\n");
exit(-1);
}
if(cert_file[0]) {
if (!SSL_CTX_check_private_key(root_tls_ctx[sslind])) {
TURN_LOG_FUNC(TURN_LOG_LEVEL_ERROR, "\nERROR: invalid private key!\n");
exit(-1);
}
}
if (ca_cert_file[0]) {
if (!SSL_CTX_load_verify_locations(root_tls_ctx[sslind], ca_cert_file, NULL )) {
TURN_LOG_FUNC(TURN_LOG_LEVEL_ERROR,
"ERROR: cannot load CA from file: %s\n",
ca_cert_file);
}
/* Set to require peer (client) certificate verification */
SSL_CTX_set_verify(root_tls_ctx[sslind], SSL_VERIFY_PEER, NULL );
/* Set the verification depth to 9 */
SSL_CTX_set_verify_depth(root_tls_ctx[sslind], 9);
} else {
SSL_CTX_set_verify(root_tls_ctx[sslind], SSL_VERIFY_NONE, NULL );
}
if(!use_tcp)
SSL_CTX_set_read_ahead(root_tls_ctx[sslind], 1);
}
}
start_mclient(argv[optind], port, client_ifname, local_addr, messagenumber, mclient);
return 0;
}
int dtls_connection_init(struct packet_stream *ps, int active, struct dtls_cert *cert) {
struct dtls_connection *d;
unsigned long err;
if (!ps || !ps->sfd)
return 0;
__DBG("dtls_connection_init(%i)", active);
d = &ps->sfd->dtls;
if (d->init) {
if ((d->active && active) || (!d->active && !active))
goto done;
dtls_connection_cleanup(d);
}
d->ssl_ctx = SSL_CTX_new(active ? DTLSv1_client_method() : DTLSv1_server_method());
if (!d->ssl_ctx)
goto error;
if (SSL_CTX_use_certificate(d->ssl_ctx, cert->x509) != 1)
goto error;
if (SSL_CTX_use_PrivateKey(d->ssl_ctx, cert->pkey) != 1)
goto error;
SSL_CTX_set_verify(d->ssl_ctx, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
verify_callback);
SSL_CTX_set_verify_depth(d->ssl_ctx, 4);
SSL_CTX_set_cipher_list(d->ssl_ctx, "ALL:!ADH:!LOW:!EXP:!MD5:@STRENGTH");
if (SSL_CTX_set_tlsext_use_srtp(d->ssl_ctx, ciphers_str))
goto error;
if (SSL_CTX_set_read_ahead(d->ssl_ctx, 1))
goto error;
d->ssl = SSL_new(d->ssl_ctx);
if (!d->ssl)
goto error;
d->r_bio = BIO_new(BIO_s_mem());
d->w_bio = BIO_new(BIO_s_mem());
if (!d->r_bio || !d->w_bio)
goto error;
SSL_set_app_data(d->ssl, ps->sfd); /* XXX obj reference here? */
SSL_set_bio(d->ssl, d->r_bio, d->w_bio);
SSL_set_mode(d->ssl, SSL_MODE_ENABLE_PARTIAL_WRITE | SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
EC_KEY* ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
if (ecdh == NULL)
goto error;
SSL_set_options(d->ssl, SSL_OP_SINGLE_ECDH_USE);
SSL_set_tmp_ecdh(d->ssl, ecdh);
EC_KEY_free(ecdh);
d->init = 1;
d->active = active ? -1 : 0;
done:
return 0;
error:
err = ERR_peek_last_error();
if (d->r_bio)
BIO_free(d->r_bio);
if (d->w_bio)
BIO_free(d->w_bio);
if (d->ssl)
SSL_free(d->ssl);
if (d->ssl_ctx)
SSL_CTX_free(d->ssl_ctx);
ZERO(*d);
ilog(LOG_ERROR, "Failed to init DTLS connection: %s", ERR_reason_error_string(err));
return -1;
}
static int openssl_ssl_ctx_new(lua_State*L)
{
const char* meth = luaL_optstring(L, 1, "TLSv1");
#if OPENSSL_VERSION_NUMBER >= 0x01000000L
const
#endif
SSL_METHOD* method = NULL;
const char* ciphers;
SSL_CTX* ctx;
if (strcmp(meth, "SSLv3") == 0)
method = SSLv3_method(); /* SSLv3 */
else if (strcmp(meth, "SSLv3_server") == 0)
method = SSLv3_server_method(); /* SSLv3 */
else if (strcmp(meth, "SSLv3_client") == 0)
method = SSLv3_client_method(); /* SSLv3 */
else if (strcmp(meth, "SSLv23") == 0)
method = SSLv23_method(); /* SSLv3 but can rollback to v2 */
else if (strcmp(meth, "SSLv23_server") == 0)
method = SSLv23_server_method(); /* SSLv3 but can rollback to v2 */
else if (strcmp(meth, "SSLv23_client") == 0)
method = SSLv23_client_method(); /* SSLv3 but can rollback to v2 */
else if (strcmp(meth, "TLSv1_1") == 0)
method = TLSv1_1_method(); /* TLSv1.0 */
else if (strcmp(meth, "TLSv1_1_server") == 0)
method = TLSv1_1_server_method(); /* TLSv1.0 */
else if (strcmp(meth, "TLSv1_1_client") == 0)
method = TLSv1_1_client_method(); /* TLSv1.0 */
else if (strcmp(meth, "TLSv1_2") == 0)
method = TLSv1_2_method(); /* TLSv1.0 */
else if (strcmp(meth, "TLSv1_2_server") == 0)
method = TLSv1_2_server_method(); /* TLSv1.0 */
else if (strcmp(meth, "TLSv1_2_client") == 0)
method = TLSv1_2_client_method(); /* TLSv1.0 */
else if (strcmp(meth, "TLSv1") == 0)
method = TLSv1_method(); /* TLSv1.0 */
else if (strcmp(meth, "TLSv1_server") == 0)
method = TLSv1_server_method(); /* TLSv1.0 */
else if (strcmp(meth, "TLSv1_client") == 0)
method = TLSv1_client_method(); /* TLSv1.0 */
else if (strcmp(meth, "DTLSv1") == 0)
method = DTLSv1_method(); /* DTLSv1.0 */
else if (strcmp(meth, "DTLSv1_server") == 0)
method = DTLSv1_server_method(); /* DTLSv1.0 */
else if (strcmp(meth, "DTLSv1_client") == 0)
method = DTLSv1_client_method(); /* DTLSv1.0 */
#ifndef OPENSSL_NO_SSL2
#if OPENSSL_VERSION_NUMBER < 0x10100000L
else if (strcmp(meth, "SSLv2") == 0)
method = SSLv2_method(); /* SSLv2 */
else if (strcmp(meth, "SSLv2_server") == 0)
method = SSLv2_server_method(); /* SSLv2 */
else if (strcmp(meth, "SSLv2_client") == 0)
method = SSLv2_client_method();
#endif
#ifdef LOAD_SSL_CUSTOM
LOAD_SSL_CUSTOM
#endif
#endif
else
luaL_error(L, "#1:%s not supported\n"
"Maybe SSLv3 SSLv23 TLSv1 TLSv1_1 TLSv1_2 DTLSv1 [SSLv2], option followed by _client or _server\n",
"default is SSLv3",
meth);
ciphers = luaL_optstring(L, 2, SSL_DEFAULT_CIPHER_LIST);
ctx = SSL_CTX_new(method);
if (!ctx)
luaL_error(L, "#1:%s not supported\n"
"Maybe SSLv3 SSLv23 TLSv1 TLSv1_1 TLSv1_2 DTLSv1 [SSLv2], option followed by _client or _server\n",
"default is SSLv3",
meth);
openssl_newvalue(L, ctx);
SSL_CTX_set_cipher_list(ctx, ciphers);
PUSH_OBJECT(ctx, "openssl.ssl_ctx");
SSL_CTX_set_app_data(ctx, L);
return 1;
}
int start_dtls_handshake(struct openconnect_info *vpninfo, int dtls_fd)
{
STACK_OF(SSL_CIPHER) *ciphers;
method_const SSL_METHOD *dtls_method;
SSL_SESSION *dtls_session;
SSL *dtls_ssl;
BIO *dtls_bio;
int dtlsver = DTLS1_BAD_VER;
const char *cipher = vpninfo->dtls_cipher;
#ifdef HAVE_DTLS12
if (!strcmp(cipher, "OC-DTLS1_2-AES128-GCM")) {
dtlsver = DTLS1_2_VERSION;
cipher = "AES128-GCM-SHA256";
} else if (!strcmp(cipher, "OC-DTLS1_2-AES256-GCM")) {
dtlsver = DTLS1_2_VERSION;
cipher = "AES256-GCM-SHA384";
#ifndef OPENSSL_NO_PSK
} else if (!strcmp(cipher, "PSK-NEGOTIATE")) {
dtlsver = 0; /* Let it negotiate */
#endif
}
#endif
if (!vpninfo->dtls_ctx) {
#ifdef HAVE_DTLS12
dtls_method = DTLS_client_method();
#endif
#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
if (dtlsver == DTLS1_BAD_VER)
dtls_method = DTLSv1_client_method();
#ifdef HAVE_DTLS12
else if (dtlsver == DTLS1_2_VERSION)
dtls_method = DTLSv1_2_client_method();
#endif
#endif
vpninfo->dtls_ctx = SSL_CTX_new(dtls_method);
if (!vpninfo->dtls_ctx) {
vpn_progress(vpninfo, PRG_ERR,
_("Initialise DTLSv1 CTX failed\n"));
openconnect_report_ssl_errors(vpninfo);
vpninfo->dtls_attempt_period = 0;
return -EINVAL;
}
if (dtlsver) {
#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
if (dtlsver == DTLS1_BAD_VER)
SSL_CTX_set_options(vpninfo->dtls_ctx, SSL_OP_CISCO_ANYCONNECT);
#else
if (!SSL_CTX_set_min_proto_version(vpninfo->dtls_ctx, dtlsver) ||
!SSL_CTX_set_max_proto_version(vpninfo->dtls_ctx, dtlsver)) {
vpn_progress(vpninfo, PRG_ERR,
_("Set DTLS CTX version failed\n"));
openconnect_report_ssl_errors(vpninfo);
SSL_CTX_free(vpninfo->dtls_ctx);
vpninfo->dtls_ctx = NULL;
vpninfo->dtls_attempt_period = 0;
return -EINVAL;
}
#endif
#if defined (HAVE_DTLS12) && !defined(OPENSSL_NO_PSK)
} else {
SSL_CTX_set_psk_client_callback(vpninfo->dtls_ctx, psk_callback);
/* For PSK we override the DTLS master secret with one derived
* from the HTTPS session. */
if (!SSL_export_keying_material(vpninfo->https_ssl,
vpninfo->dtls_secret, PSK_KEY_SIZE,
PSK_LABEL, PSK_LABEL_SIZE, NULL, 0, 0)) {
vpn_progress(vpninfo, PRG_ERR,
_("Failed to generate DTLS key\n"));
openconnect_report_ssl_errors(vpninfo);
SSL_CTX_free(vpninfo->dtls_ctx);
vpninfo->dtls_ctx = NULL;
vpninfo->dtls_attempt_period = 0;
return -EINVAL;
}
SSL_CTX_add_client_custom_ext(vpninfo->dtls_ctx, DTLS_APP_ID_EXT,
pskident_add, pskident_free, vpninfo,
pskident_parse, vpninfo);
/* For SSL_CTX_set_cipher_list() */
cipher = "PSK";
#endif
}
/* If we don't readahead, then we do short reads and throw
away the tail of data packets. */
SSL_CTX_set_read_ahead(vpninfo->dtls_ctx, 1);
if (!SSL_CTX_set_cipher_list(vpninfo->dtls_ctx, cipher)) {
vpn_progress(vpninfo, PRG_ERR,
_("Set DTLS cipher list failed\n"));
SSL_CTX_free(vpninfo->dtls_ctx);
vpninfo->dtls_ctx = NULL;
vpninfo->dtls_attempt_period = 0;
return -EINVAL;
}
}
dtls_ssl = SSL_new(vpninfo->dtls_ctx);
SSL_set_connect_state(dtls_ssl);
SSL_set_app_data(dtls_ssl, vpninfo);
if (dtlsver) {
ciphers = SSL_get_ciphers(dtls_ssl);
if (dtlsver != 0 && sk_SSL_CIPHER_num(ciphers) != 1) {
vpn_progress(vpninfo, PRG_ERR, _("Not precisely one DTLS cipher\n"));
SSL_CTX_free(vpninfo->dtls_ctx);
SSL_free(dtls_ssl);
vpninfo->dtls_ctx = NULL;
vpninfo->dtls_attempt_period = 0;
return -EINVAL;
}
/* We're going to "resume" a session which never existed. Fake it... */
dtls_session = generate_dtls_session(vpninfo, dtlsver,
sk_SSL_CIPHER_value(ciphers, 0));
if (!dtls_session) {
SSL_CTX_free(vpninfo->dtls_ctx);
SSL_free(dtls_ssl);
vpninfo->dtls_ctx = NULL;
vpninfo->dtls_attempt_period = 0;
return -EINVAL;
}
/* Add the generated session to the SSL */
if (!SSL_set_session(dtls_ssl, dtls_session)) {
vpn_progress(vpninfo, PRG_ERR,
_("SSL_set_session() failed with old protocol version 0x%x\n"
"Are you using a version of OpenSSL older than 0.9.8m?\n"
"See http://rt.openssl.org/Ticket/Display.html?id=1751\n"
"Use the --no-dtls command line option to avoid this message\n"),
DTLS1_BAD_VER);
SSL_CTX_free(vpninfo->dtls_ctx);
SSL_free(dtls_ssl);
vpninfo->dtls_ctx = NULL;
vpninfo->dtls_attempt_period = 0;
SSL_SESSION_free(dtls_session);
return -EINVAL;
}
/* We don't need our own refcount on it any more */
SSL_SESSION_free(dtls_session);
}
dtls_bio = BIO_new_socket(dtls_fd, BIO_NOCLOSE);
/* Set non-blocking */
BIO_set_nbio(dtls_bio, 1);
SSL_set_bio(dtls_ssl, dtls_bio, dtls_bio);
vpninfo->dtls_ssl = dtls_ssl;
return 0;
}
int main(int argc, char **argv)
{
int port = 0;
int messagenumber = 5;
char local_addr[256];
char c;
int mclient = 1;
unsigned char ifname[1025] = "\0";
char peer_address[129] = "\0";
int peer_port = PEER_DEFAULT_PORT;
set_execdir();
srandom((unsigned int) time(NULL));
memset(local_addr, 0, sizeof(local_addr));
while ((c = getopt(argc, argv, "d:p:l:n:L:m:e:r:u:w:i:k:z:vsyhcxgtS")) != -1) {
switch (c){
case 'z':
RTP_PACKET_INTERVAL = atoi(optarg);
break;
case 'u':
STRCPY(g_uname, optarg);
break;
case 'w':
STRCPY(g_upwd, optarg);
break;
case 'g':
dont_fragment = 1;
break;
case 'd':
STRCPY(ifname, optarg);
break;
case 'x':
default_address_family
= STUN_ATTRIBUTE_REQUESTED_ADDRESS_FAMILY_VALUE_IPV6;
break;
case 'l':
clmessage_length = atoi(optarg);
break;
case 's':
use_send_method = 1;
break;
case 'n':
messagenumber = atoi(optarg);
break;
case 'p':
port = atoi(optarg);
break;
case 'L':
STRCPY(local_addr, optarg);
break;
case 'e':
STRCPY(peer_address, optarg);
break;
case 'r':
peer_port = atoi(optarg);
break;
case 'v':
clnet_verbose = 1;
break;
case 'h':
hang_on = 1;
break;
case 'c':
no_rtcp = 1;
break;
case 'm':
mclient = atoi(optarg);
break;
case 'y':
c2c = 1;
break;
case 't':
use_tcp = 1;
break;
case 'S':
use_secure = 1;
break;
case 'i':
{
char* fn = find_config_file(optarg,1);
if(!fn) {
fprintf(stderr,"ERROR: file %s not found\n",optarg);
exit(-1);
}
strcpy(cert_file,fn);
free(fn);
break;
}
case 'k':
{
char* fn = find_config_file(optarg,1);
if(!fn) {
fprintf(stderr,"ERROR: file %s not found\n",optarg);
exit(-1);
}
STRCPY(pkey_file,fn);
free(fn);
break;
}
default:
fprintf(stderr, "%s\n", Usage);
exit(1);
}
}
if(port == 0) {
if(use_secure)
port = DEFAULT_STUN_TLS_PORT;
else
port = DEFAULT_STUN_PORT;
}
if (clmessage_length < (int) sizeof(message_info))
clmessage_length = (int) sizeof(message_info);
if (optind >= argc) {
fprintf(stderr, "%s\n", Usage);
exit(-1);
}
if (!c2c) {
if (make_ioa_addr((const u08bits*) peer_address, peer_port, &peer_addr) < 0)
return -1;
}
/* SSL Init ==>> */
if(use_secure) {
SSL_load_error_strings();
OpenSSL_add_ssl_algorithms();
if(use_tcp) {
root_tls_ctx = SSL_CTX_new(TLSv1_client_method());
} else {
#if !defined(BIO_CTRL_DGRAM_QUERY_MTU)
fprintf(stderr,"ERROR: DTLS is not supported.\n");
exit(-1);
#else
if(OPENSSL_VERSION_NUMBER < 0x10000000L) {
TURN_LOG_FUNC(TURN_LOG_LEVEL_WARNING, "WARNING: OpenSSL version is rather old, DTLS may not be working correctly.\n");
}
root_tls_ctx = SSL_CTX_new(DTLSv1_client_method());
#endif
}
SSL_CTX_set_cipher_list(root_tls_ctx, "DEFAULT");
if (!SSL_CTX_use_certificate_file(root_tls_ctx, cert_file,
SSL_FILETYPE_PEM)) {
TURN_LOG_FUNC(TURN_LOG_LEVEL_ERROR, "\nERROR: no certificate found!\n");
exit(-1);
}
if (!SSL_CTX_use_PrivateKey_file(root_tls_ctx, pkey_file,
SSL_FILETYPE_PEM)) {
TURN_LOG_FUNC(TURN_LOG_LEVEL_ERROR, "\nERROR: no private key found!\n");
exit(-1);
}
if (!SSL_CTX_check_private_key(root_tls_ctx)) {
TURN_LOG_FUNC(TURN_LOG_LEVEL_ERROR, "\nERROR: invalid private key!\n");
exit(-1);
}
SSL_CTX_set_verify_depth(root_tls_ctx, 2);
SSL_CTX_set_read_ahead(root_tls_ctx, 1);
}
start_mclient(argv[optind], port, ifname, local_addr, messagenumber, mclient);
return 0;
}
void echoclient_test(void* args)
{
SOCKET_T sockfd = 0;
FILE* fin = stdin;
FILE* fout = stdout;
int inCreated = 0;
int outCreated = 0;
char send[1024];
char reply[1024];
SSL_METHOD* method = 0;
SSL_CTX* ctx = 0;
SSL* ssl = 0;
int sendSz;
int argc = 0;
char** argv = 0;
((func_args*)args)->return_code = -1; /* error state */
argc = ((func_args*)args)->argc;
argv = ((func_args*)args)->argv;
if (argc >= 2) {
fin = fopen(argv[1], "r");
inCreated = 1;
}
if (argc >= 3) {
fout = fopen(argv[2], "w");
outCreated = 1;
}
if (!fin) err_sys("can't open input file");
if (!fout) err_sys("can't open output file");
tcp_connect(&sockfd, yasslIP, yasslPort);
#if defined(CYASSL_DTLS)
method = DTLSv1_client_method();
#elif !defined(NO_TLS)
method = TLSv1_client_method();
#else
method = SSLv3_client_method();
#endif
ctx = SSL_CTX_new(method);
#ifndef NO_FILESYSTEM
if (SSL_CTX_load_verify_locations(ctx, caCert, 0) != SSL_SUCCESS)
err_sys("can't load ca file");
#ifdef HAVE_ECC
if (SSL_CTX_load_verify_locations(ctx, eccCert, 0) != SSL_SUCCESS)
err_sys("can't load ca file");
#endif
#else
load_buffer(ctx, caCert, CYASSL_CA);
#endif
#ifdef OPENSSL_EXTRA
SSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack);
#endif
ssl = SSL_new(ctx);
SSL_set_fd(ssl, sockfd);
#if defined(USE_WINDOWS_API) && defined(CYASSL_DTLS) && defined(NO_MAIN_DRIVER)
/* let echoserver bind first, TODO: add Windows signal like pthreads does */
Sleep(100);
#endif
if (SSL_connect(ssl) != SSL_SUCCESS) err_sys("SSL_connect failed");
while (fgets(send, sizeof(send), fin)) {
sendSz = (int)strlen(send) + 1;
if (SSL_write(ssl, send, sendSz) != sendSz)
err_sys("SSL_write failed");
if (strncmp(send, "quit", 4) == 0) {
fputs("sending server shutdown command: quit!\n", fout);
break;
}
if (strncmp(send, "break", 4) == 0) {
fputs("sending server session close: break!\n", fout);
break;
}
while (sendSz) {
int got;
if ( (got = SSL_read(ssl, reply, sizeof(reply))) > 0) {
fputs(reply, fout);
sendSz -= got;
}
else
break;
}
}
#ifdef CYASSL_DTLS
strncpy(send, "break", 6);
sendSz = (int)strlen(send);
/* try to tell server done */
SSL_write(ssl, send, sendSz);
#else
SSL_shutdown(ssl);
#endif
SSL_free(ssl);
SSL_CTX_free(ctx);
fflush(fout);
if (inCreated) fclose(fin);
if (outCreated) fclose(fout);
CloseSocket(sockfd);
((func_args*)args)->return_code = 0;
}
static int start_dtls_handshake(struct openconnect_info *vpninfo, int dtls_fd)
{
STACK_OF(SSL_CIPHER) *ciphers;
method_const SSL_METHOD *dtls_method;
SSL_CIPHER *dtls_cipher;
SSL *dtls_ssl;
BIO *dtls_bio;
if (!vpninfo->dtls_ctx) {
dtls_method = DTLSv1_client_method();
vpninfo->dtls_ctx = SSL_CTX_new(dtls_method);
if (!vpninfo->dtls_ctx) {
vpn_progress(vpninfo, PRG_ERR,
_("Initialise DTLSv1 CTX failed\n"));
openconnect_report_ssl_errors(vpninfo);
vpninfo->dtls_attempt_period = 0;
return -EINVAL;
}
/* If we don't readahead, then we do short reads and throw
away the tail of data packets. */
SSL_CTX_set_read_ahead(vpninfo->dtls_ctx, 1);
if (!SSL_CTX_set_cipher_list(vpninfo->dtls_ctx, vpninfo->dtls_cipher)) {
vpn_progress(vpninfo, PRG_ERR,
_("Set DTLS cipher list failed\n"));
SSL_CTX_free(vpninfo->dtls_ctx);
vpninfo->dtls_ctx = NULL;
vpninfo->dtls_attempt_period = 0;
return -EINVAL;
}
}
if (!vpninfo->dtls_session) {
/* We're going to "resume" a session which never existed. Fake it... */
vpninfo->dtls_session = SSL_SESSION_new();
if (!vpninfo->dtls_session) {
vpn_progress(vpninfo, PRG_ERR,
_("Initialise DTLSv1 session failed\n"));
vpninfo->dtls_attempt_period = 0;
return -EINVAL;
}
vpninfo->dtls_session->ssl_version = 0x0100; /* DTLS1_BAD_VER */
}
/* Do this every time; it may have changed due to a rekey */
vpninfo->dtls_session->master_key_length = sizeof(vpninfo->dtls_secret);
memcpy(vpninfo->dtls_session->master_key, vpninfo->dtls_secret,
sizeof(vpninfo->dtls_secret));
vpninfo->dtls_session->session_id_length = sizeof(vpninfo->dtls_session_id);
memcpy(vpninfo->dtls_session->session_id, vpninfo->dtls_session_id,
sizeof(vpninfo->dtls_session_id));
dtls_ssl = SSL_new(vpninfo->dtls_ctx);
SSL_set_connect_state(dtls_ssl);
ciphers = SSL_get_ciphers(dtls_ssl);
if (sk_SSL_CIPHER_num(ciphers) != 1) {
vpn_progress(vpninfo, PRG_ERR, _("Not precisely one DTLS cipher\n"));
SSL_CTX_free(vpninfo->dtls_ctx);
SSL_free(dtls_ssl);
SSL_SESSION_free(vpninfo->dtls_session);
vpninfo->dtls_ctx = NULL;
vpninfo->dtls_session = NULL;
vpninfo->dtls_attempt_period = 0;
return -EINVAL;
}
dtls_cipher = sk_SSL_CIPHER_value(ciphers, 0);
/* Set the appropriate cipher on our session to be resumed */
vpninfo->dtls_session->cipher = dtls_cipher;
vpninfo->dtls_session->cipher_id = dtls_cipher->id;
/* Add the generated session to the SSL */
if (!SSL_set_session(dtls_ssl, vpninfo->dtls_session)) {
vpn_progress(vpninfo, PRG_ERR,
_("SSL_set_session() failed with old protocol version 0x%x\n"
"Are you using a version of OpenSSL older than 0.9.8m?\n"
"See http://rt.openssl.org/Ticket/Display.html?id=1751\n"
"Use the --no-dtls command line option to avoid this message\n"),
vpninfo->dtls_session->ssl_version);
vpninfo->dtls_attempt_period = 0;
return -EINVAL;
}
dtls_bio = BIO_new_socket(dtls_fd, BIO_NOCLOSE);
/* Set non-blocking */
BIO_set_nbio(dtls_bio, 1);
SSL_set_bio(dtls_ssl, dtls_bio, dtls_bio);
SSL_set_options(dtls_ssl, SSL_OP_CISCO_ANYCONNECT);
vpninfo->new_dtls_ssl = dtls_ssl;
return 0;
}
int
s_client_main(int argc, char **argv)
{
unsigned int off = 0, clr = 0;
SSL *con = NULL;
int s, k, width, state = 0, af = AF_UNSPEC;
char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL;
int cbuf_len, cbuf_off;
int sbuf_len, sbuf_off;
fd_set readfds, writefds;
char *port = PORT_STR;
int full_log = 1;
char *host = SSL_HOST_NAME;
char *cert_file = NULL, *key_file = NULL;
int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
char *passarg = NULL, *pass = NULL;
X509 *cert = NULL;
EVP_PKEY *key = NULL;
char *CApath = NULL, *CAfile = NULL, *cipher = NULL;
int reconnect = 0, badop = 0, verify = SSL_VERIFY_NONE, bugs = 0;
int crlf = 0;
int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
SSL_CTX *ctx = NULL;
int ret = 1, in_init = 1, i, nbio_test = 0;
int starttls_proto = PROTO_OFF;
int prexit = 0;
X509_VERIFY_PARAM *vpm = NULL;
int badarg = 0;
const SSL_METHOD *meth = NULL;
int socket_type = SOCK_STREAM;
BIO *sbio;
int mbuf_len = 0;
struct timeval timeout, *timeoutp;
const char *errstr = NULL;
#ifndef OPENSSL_NO_ENGINE
char *engine_id = NULL;
char *ssl_client_engine_id = NULL;
ENGINE *ssl_client_engine = NULL;
#endif
ENGINE *e = NULL;
#ifndef OPENSSL_NO_TLSEXT
char *servername = NULL;
tlsextctx tlsextcbp =
{NULL, 0};
#ifndef OPENSSL_NO_NEXTPROTONEG
const char *next_proto_neg_in = NULL;
#endif
#endif
char *sess_in = NULL;
char *sess_out = NULL;
struct sockaddr peer;
int peerlen = sizeof(peer);
int enable_timeouts = 0;
long socket_mtu = 0;
meth = SSLv23_client_method();
c_Pause = 0;
c_quiet = 0;
c_ign_eof = 0;
c_debug = 0;
c_msg = 0;
c_showcerts = 0;
if (((cbuf = malloc(BUFSIZZ)) == NULL) ||
((sbuf = malloc(BUFSIZZ)) == NULL) ||
((mbuf = malloc(BUFSIZZ + 1)) == NULL)) { /* NUL byte */
BIO_printf(bio_err, "out of memory\n");
goto end;
}
verify_depth = 0;
verify_error = X509_V_OK;
c_nbio = 0;
argc--;
argv++;
while (argc >= 1) {
if (strcmp(*argv, "-host") == 0) {
if (--argc < 1)
goto bad;
host = *(++argv);
} else if (strcmp(*argv, "-port") == 0) {
if (--argc < 1)
goto bad;
port = *(++argv);
if (port == NULL || *port == '\0')
goto bad;
} else if (strcmp(*argv, "-connect") == 0) {
if (--argc < 1)
goto bad;
if (!extract_host_port(*(++argv), &host, NULL, &port))
goto bad;
} else if (strcmp(*argv, "-verify") == 0) {
verify = SSL_VERIFY_PEER;
if (--argc < 1)
goto bad;
verify_depth = strtonum(*(++argv), 0, INT_MAX, &errstr);
if (errstr)
goto bad;
BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
} else if (strcmp(*argv, "-cert") == 0) {
if (--argc < 1)
goto bad;
cert_file = *(++argv);
} else if (strcmp(*argv, "-sess_out") == 0) {
if (--argc < 1)
goto bad;
sess_out = *(++argv);
} else if (strcmp(*argv, "-sess_in") == 0) {
if (--argc < 1)
goto bad;
sess_in = *(++argv);
} else if (strcmp(*argv, "-certform") == 0) {
if (--argc < 1)
goto bad;
cert_format = str2fmt(*(++argv));
} else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
if (badarg)
goto bad;
continue;
} else if (strcmp(*argv, "-verify_return_error") == 0)
verify_return_error = 1;
else if (strcmp(*argv, "-prexit") == 0)
prexit = 1;
else if (strcmp(*argv, "-crlf") == 0)
crlf = 1;
else if (strcmp(*argv, "-quiet") == 0) {
c_quiet = 1;
c_ign_eof = 1;
} else if (strcmp(*argv, "-ign_eof") == 0)
c_ign_eof = 1;
else if (strcmp(*argv, "-no_ign_eof") == 0)
c_ign_eof = 0;
else if (strcmp(*argv, "-pause") == 0)
c_Pause = 1;
else if (strcmp(*argv, "-debug") == 0)
c_debug = 1;
#ifndef OPENSSL_NO_TLSEXT
else if (strcmp(*argv, "-tlsextdebug") == 0)
c_tlsextdebug = 1;
else if (strcmp(*argv, "-status") == 0)
c_status_req = 1;
#endif
else if (strcmp(*argv, "-msg") == 0)
c_msg = 1;
else if (strcmp(*argv, "-showcerts") == 0)
c_showcerts = 1;
else if (strcmp(*argv, "-nbio_test") == 0)
nbio_test = 1;
else if (strcmp(*argv, "-state") == 0)
state = 1;
else if (strcmp(*argv, "-ssl3") == 0)
meth = SSLv3_client_method();
else if (strcmp(*argv, "-tls1_2") == 0)
meth = TLSv1_2_client_method();
else if (strcmp(*argv, "-tls1_1") == 0)
meth = TLSv1_1_client_method();
else if (strcmp(*argv, "-tls1") == 0)
meth = TLSv1_client_method();
#ifndef OPENSSL_NO_DTLS1
else if (strcmp(*argv, "-dtls1") == 0) {
meth = DTLSv1_client_method();
socket_type = SOCK_DGRAM;
} else if (strcmp(*argv, "-timeout") == 0)
enable_timeouts = 1;
else if (strcmp(*argv, "-mtu") == 0) {
if (--argc < 1)
goto bad;
socket_mtu = strtonum(*(++argv), 0, LONG_MAX, &errstr);
if (errstr)
goto bad;
}
#endif
else if (strcmp(*argv, "-bugs") == 0)
bugs = 1;
else if (strcmp(*argv, "-keyform") == 0) {
if (--argc < 1)
goto bad;
key_format = str2fmt(*(++argv));
} else if (strcmp(*argv, "-pass") == 0) {
if (--argc < 1)
goto bad;
passarg = *(++argv);
} else if (strcmp(*argv, "-key") == 0) {
if (--argc < 1)
goto bad;
key_file = *(++argv);
} else if (strcmp(*argv, "-reconnect") == 0) {
reconnect = 5;
} else if (strcmp(*argv, "-CApath") == 0) {
if (--argc < 1)
goto bad;
CApath = *(++argv);
} else if (strcmp(*argv, "-CAfile") == 0) {
if (--argc < 1)
goto bad;
CAfile = *(++argv);
} else if (strcmp(*argv, "-no_tls1_2") == 0)
off |= SSL_OP_NO_TLSv1_2;
else if (strcmp(*argv, "-no_tls1_1") == 0)
off |= SSL_OP_NO_TLSv1_1;
else if (strcmp(*argv, "-no_tls1") == 0)
off |= SSL_OP_NO_TLSv1;
else if (strcmp(*argv, "-no_ssl3") == 0)
off |= SSL_OP_NO_SSLv3;
else if (strcmp(*argv, "-no_ssl2") == 0)
off |= SSL_OP_NO_SSLv2;
else if (strcmp(*argv, "-no_comp") == 0) {
off |= SSL_OP_NO_COMPRESSION;
}
#ifndef OPENSSL_NO_TLSEXT
else if (strcmp(*argv, "-no_ticket") == 0) {
off |= SSL_OP_NO_TICKET;
}
#ifndef OPENSSL_NO_NEXTPROTONEG
else if (strcmp(*argv, "-nextprotoneg") == 0) {
if (--argc < 1)
goto bad;
next_proto_neg_in = *(++argv);
}
#endif
#endif
else if (strcmp(*argv, "-serverpref") == 0)
off |= SSL_OP_CIPHER_SERVER_PREFERENCE;
else if (strcmp(*argv, "-legacy_renegotiation") == 0)
; /* no-op */
else if (strcmp(*argv, "-legacy_server_connect") == 0) {
off |= SSL_OP_LEGACY_SERVER_CONNECT;
} else if (strcmp(*argv, "-no_legacy_server_connect") == 0) {
clr |= SSL_OP_LEGACY_SERVER_CONNECT;
} else if (strcmp(*argv, "-cipher") == 0) {
if (--argc < 1)
goto bad;
cipher = *(++argv);
}
else if (strcmp(*argv, "-nbio") == 0) {
c_nbio = 1;
}
else if (strcmp(*argv, "-starttls") == 0) {
if (--argc < 1)
goto bad;
++argv;
if (strcmp(*argv, "smtp") == 0)
starttls_proto = PROTO_SMTP;
else if (strcmp(*argv, "lmtp") == 0)
starttls_proto = PROTO_LMTP;
else if (strcmp(*argv, "pop3") == 0)
starttls_proto = PROTO_POP3;
else if (strcmp(*argv, "imap") == 0)
starttls_proto = PROTO_IMAP;
else if (strcmp(*argv, "ftp") == 0)
starttls_proto = PROTO_FTP;
else if (strcmp(*argv, "xmpp") == 0)
starttls_proto = PROTO_XMPP;
else
goto bad;
}
#ifndef OPENSSL_NO_ENGINE
else if (strcmp(*argv, "-engine") == 0) {
if (--argc < 1)
goto bad;
engine_id = *(++argv);
} else if (strcmp(*argv, "-ssl_client_engine") == 0) {
if (--argc < 1)
goto bad;
ssl_client_engine_id = *(++argv);
}
#endif
else if (strcmp(*argv, "-4") == 0) {
af = AF_INET;
} else if (strcmp(*argv, "-6") == 0) {
af = AF_INET6;
}
#ifndef OPENSSL_NO_TLSEXT
else if (strcmp(*argv, "-servername") == 0) {
if (--argc < 1)
goto bad;
servername = *(++argv);
/* meth=TLSv1_client_method(); */
}
#endif
#ifndef OPENSSL_NO_SRTP
else if (strcmp(*argv, "-use_srtp") == 0) {
if (--argc < 1)
goto bad;
srtp_profiles = *(++argv);
}
#endif
else if (strcmp(*argv, "-keymatexport") == 0) {
if (--argc < 1)
goto bad;
keymatexportlabel = *(++argv);
} else if (strcmp(*argv, "-keymatexportlen") == 0) {
const char *errstr;
if (--argc < 1)
goto bad;
keymatexportlen = strtonum(*(++argv), 1, INT_MAX, &errstr);
if (errstr)
goto bad;
} else {
BIO_printf(bio_err, "unknown option %s\n", *argv);
badop = 1;
break;
}
argc--;
argv++;
}
if (badop) {
bad:
if (errstr)
BIO_printf(bio_err, "invalid argument %s: %s\n",
*argv, errstr);
else
sc_usage();
goto end;
}
#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
next_proto.status = -1;
if (next_proto_neg_in) {
next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
if (next_proto.data == NULL) {
BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
goto end;
}
} else
next_proto.data = NULL;
#endif
#ifndef OPENSSL_NO_ENGINE
e = setup_engine(bio_err, engine_id, 1);
if (ssl_client_engine_id) {
ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
if (!ssl_client_engine) {
BIO_printf(bio_err,
"Error getting client auth engine\n");
goto end;
}
}
#endif
if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) {
BIO_printf(bio_err, "Error getting password\n");
goto end;
}
if (key_file == NULL)
key_file = cert_file;
if (key_file) {
key = load_key(bio_err, key_file, key_format, 0, pass, e,
"client certificate private key file");
if (!key) {
ERR_print_errors(bio_err);
goto end;
}
}
if (cert_file) {
cert = load_cert(bio_err, cert_file, cert_format,
NULL, e, "client certificate file");
if (!cert) {
ERR_print_errors(bio_err);
goto end;
}
}
if (bio_c_out == NULL) {
if (c_quiet && !c_debug && !c_msg) {
bio_c_out = BIO_new(BIO_s_null());
} else {
if (bio_c_out == NULL)
bio_c_out = BIO_new_fp(stdout, BIO_NOCLOSE);
}
}
ctx = SSL_CTX_new(meth);
if (ctx == NULL) {
ERR_print_errors(bio_err);
goto end;
}
if (vpm)
SSL_CTX_set1_param(ctx, vpm);
#ifndef OPENSSL_NO_ENGINE
if (ssl_client_engine) {
if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
BIO_puts(bio_err, "Error setting client auth engine\n");
ERR_print_errors(bio_err);
ENGINE_free(ssl_client_engine);
goto end;
}
ENGINE_free(ssl_client_engine);
}
#endif
#ifndef OPENSSL_NO_SRTP
if (srtp_profiles != NULL)
SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
#endif
if (bugs)
SSL_CTX_set_options(ctx, SSL_OP_ALL | off);
else
SSL_CTX_set_options(ctx, off);
if (clr)
SSL_CTX_clear_options(ctx, clr);
/*
* DTLS: partial reads end up discarding unread UDP bytes :-( Setting
* read ahead solves this problem.
*/
if (socket_type == SOCK_DGRAM)
SSL_CTX_set_read_ahead(ctx, 1);
#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
if (next_proto.data)
SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
#endif
if (state)
SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
if (cipher != NULL)
if (!SSL_CTX_set_cipher_list(ctx, cipher)) {
BIO_printf(bio_err, "error setting cipher list\n");
ERR_print_errors(bio_err);
goto end;
}
SSL_CTX_set_verify(ctx, verify, verify_callback);
if (!set_cert_key_stuff(ctx, cert, key))
goto end;
if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) ||
(!SSL_CTX_set_default_verify_paths(ctx))) {
/*
* BIO_printf(bio_err,"error setting default verify
* locations\n");
*/
ERR_print_errors(bio_err);
/* goto end; */
}
#ifndef OPENSSL_NO_TLSEXT
if (servername != NULL) {
tlsextcbp.biodebug = bio_err;
SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
}
#endif
con = SSL_new(ctx);
if (sess_in) {
SSL_SESSION *sess;
BIO *stmp = BIO_new_file(sess_in, "r");
if (!stmp) {
BIO_printf(bio_err, "Can't open session file %s\n",
sess_in);
ERR_print_errors(bio_err);
goto end;
}
sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
BIO_free(stmp);
if (!sess) {
BIO_printf(bio_err, "Can't open session file %s\n",
sess_in);
ERR_print_errors(bio_err);
goto end;
}
SSL_set_session(con, sess);
SSL_SESSION_free(sess);
}
#ifndef OPENSSL_NO_TLSEXT
if (servername != NULL) {
if (!SSL_set_tlsext_host_name(con, servername)) {
BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
ERR_print_errors(bio_err);
goto end;
}
}
#endif
/* SSL_set_cipher_list(con,"RC4-MD5"); */
re_start:
if (init_client(&s, host, port, socket_type, af) == 0) {
BIO_printf(bio_err, "connect:errno=%d\n", errno);
shutdown(s, SHUT_RD);
close(s);
goto end;
}
BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
if (c_nbio) {
unsigned long l = 1;
BIO_printf(bio_c_out, "turning on non blocking io\n");
if (BIO_socket_ioctl(s, FIONBIO, &l) < 0) {
ERR_print_errors(bio_err);
goto end;
}
}
if (c_Pause & 0x01)
SSL_set_debug(con, 1);
if (SSL_version(con) == DTLS1_VERSION) {
sbio = BIO_new_dgram(s, BIO_NOCLOSE);
if (getsockname(s, &peer, (void *) &peerlen) < 0) {
BIO_printf(bio_err, "getsockname:errno=%d\n",
errno);
shutdown(s, SHUT_RD);
close(s);
goto end;
}
(void) BIO_ctrl_set_connected(sbio, 1, &peer);
if (enable_timeouts) {
timeout.tv_sec = 0;
timeout.tv_usec = DGRAM_RCV_TIMEOUT;
BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
timeout.tv_sec = 0;
timeout.tv_usec = DGRAM_SND_TIMEOUT;
BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
}
if (socket_mtu > 28) {
SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
SSL_set_mtu(con, socket_mtu - 28);
} else
/* want to do MTU discovery */
BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
} else
sbio = BIO_new_socket(s, BIO_NOCLOSE);
if (nbio_test) {
BIO *test;
test = BIO_new(BIO_f_nbio_test());
sbio = BIO_push(test, sbio);
}
if (c_debug) {
SSL_set_debug(con, 1);
BIO_set_callback(sbio, bio_dump_callback);
BIO_set_callback_arg(sbio, (char *) bio_c_out);
}
if (c_msg) {
SSL_set_msg_callback(con, msg_cb);
SSL_set_msg_callback_arg(con, bio_c_out);
}
#ifndef OPENSSL_NO_TLSEXT
if (c_tlsextdebug) {
SSL_set_tlsext_debug_callback(con, tlsext_cb);
SSL_set_tlsext_debug_arg(con, bio_c_out);
}
if (c_status_req) {
SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
}
#endif
SSL_set_bio(con, sbio, sbio);
SSL_set_connect_state(con);
/* ok, lets connect */
width = SSL_get_fd(con) + 1;
read_tty = 1;
write_tty = 0;
tty_on = 0;
read_ssl = 1;
write_ssl = 1;
cbuf_len = 0;
cbuf_off = 0;
sbuf_len = 0;
sbuf_off = 0;
/* This is an ugly hack that does a lot of assumptions */
/*
* We do have to handle multi-line responses which may come in a
* single packet or not. We therefore have to use BIO_gets() which
* does need a buffering BIO. So during the initial chitchat we do
* push a buffering BIO into the chain that is removed again later on
* to not disturb the rest of the s_client operation.
*/
if (starttls_proto == PROTO_SMTP || starttls_proto == PROTO_LMTP) {
int foundit = 0;
BIO *fbio = BIO_new(BIO_f_buffer());
BIO_push(fbio, sbio);
/* wait for multi-line response to end from SMTP */
do {
mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
}
while (mbuf_len > 3 && mbuf[3] == '-');
/* STARTTLS command requires EHLO... */
BIO_printf(fbio, "%cHLO openssl.client.net\r\n",
starttls_proto == PROTO_SMTP ? 'E' : 'L');
(void) BIO_flush(fbio);
/* wait for multi-line response to end EHLO SMTP response */
do {
mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
if (strstr(mbuf, "STARTTLS"))
foundit = 1;
}
while (mbuf_len > 3 && mbuf[3] == '-');
(void) BIO_flush(fbio);
BIO_pop(fbio);
BIO_free(fbio);
if (!foundit)
BIO_printf(bio_err,
"didn't found starttls in server response,"
" try anyway...\n");
BIO_printf(sbio, "STARTTLS\r\n");
BIO_read(sbio, sbuf, BUFSIZZ);
} else if (starttls_proto == PROTO_POP3) {
mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
if (mbuf_len == -1) {
BIO_printf(bio_err, "BIO_read failed\n");
goto end;
}
BIO_printf(sbio, "STLS\r\n");
BIO_read(sbio, sbuf, BUFSIZZ);
} else if (starttls_proto == PROTO_IMAP) {
int foundit = 0;
BIO *fbio = BIO_new(BIO_f_buffer());
BIO_push(fbio, sbio);
BIO_gets(fbio, mbuf, BUFSIZZ);
/* STARTTLS command requires CAPABILITY... */
BIO_printf(fbio, ". CAPABILITY\r\n");
(void) BIO_flush(fbio);
/* wait for multi-line CAPABILITY response */
do {
mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
if (strstr(mbuf, "STARTTLS"))
foundit = 1;
}
while (mbuf_len > 3 && mbuf[0] != '.');
(void) BIO_flush(fbio);
BIO_pop(fbio);
BIO_free(fbio);
if (!foundit)
BIO_printf(bio_err,
"didn't found STARTTLS in server response,"
" try anyway...\n");
BIO_printf(sbio, ". STARTTLS\r\n");
BIO_read(sbio, sbuf, BUFSIZZ);
} else if (starttls_proto == PROTO_FTP) {
BIO *fbio = BIO_new(BIO_f_buffer());
BIO_push(fbio, sbio);
/* wait for multi-line response to end from FTP */
do {
mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
}
while (mbuf_len > 3 && mbuf[3] == '-');
(void) BIO_flush(fbio);
BIO_pop(fbio);
BIO_free(fbio);
BIO_printf(sbio, "AUTH TLS\r\n");
BIO_read(sbio, sbuf, BUFSIZZ);
}
if (starttls_proto == PROTO_XMPP) {
int seen = 0;
BIO_printf(sbio, "<stream:stream "
"xmlns:stream='http://etherx.jabber.org/streams' "
"xmlns='jabber:client' to='%s' version='1.0'>", host);
seen = BIO_read(sbio, mbuf, BUFSIZZ);
mbuf[seen] = 0;
while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")) {
if (strstr(mbuf, "/stream:features>"))
goto shut;
seen = BIO_read(sbio, mbuf, BUFSIZZ);
mbuf[seen] = 0;
}
BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
seen = BIO_read(sbio, sbuf, BUFSIZZ);
sbuf[seen] = 0;
if (!strstr(sbuf, "<proceed"))
goto shut;
mbuf[0] = 0;
}
for (;;) {
FD_ZERO(&readfds);
FD_ZERO(&writefds);
if ((SSL_version(con) == DTLS1_VERSION) &&
DTLSv1_get_timeout(con, &timeout))
timeoutp = &timeout;
else
timeoutp = NULL;
if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
in_init = 1;
tty_on = 0;
} else {
tty_on = 1;
if (in_init) {
in_init = 0;
if (sess_out) {
BIO *stmp = BIO_new_file(sess_out, "w");
if (stmp) {
PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
BIO_free(stmp);
} else
BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
}
print_stuff(bio_c_out, con, full_log);
if (full_log > 0)
full_log--;
if (starttls_proto) {
BIO_write(bio_err, mbuf, mbuf_len);
/* We don't need to know any more */
starttls_proto = PROTO_OFF;
}
if (reconnect) {
reconnect--;
BIO_printf(bio_c_out, "drop connection and then reconnect\n");
SSL_shutdown(con);
SSL_set_connect_state(con);
shutdown(SSL_get_fd(con), SHUT_RD);
close(SSL_get_fd(con));
goto re_start;
}
}
}
ssl_pending = read_ssl && SSL_pending(con);
/* XXX should add tests for fd_set overflow */
if (!ssl_pending) {
if (tty_on) {
if (read_tty)
FD_SET(fileno(stdin), &readfds);
if (write_tty)
FD_SET(fileno(stdout), &writefds);
}
if (read_ssl)
FD_SET(SSL_get_fd(con), &readfds);
if (write_ssl)
FD_SET(SSL_get_fd(con), &writefds);
/* printf("mode tty(%d %d%d) ssl(%d%d)\n",
tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
i = select(width, &readfds, &writefds,
NULL, timeoutp);
if (i < 0) {
BIO_printf(bio_err, "bad select %d\n",
errno);
goto shut;
/* goto end; */
}
}
if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) {
BIO_printf(bio_err, "TIMEOUT occured\n");
}
if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
k = SSL_write(con, &(cbuf[cbuf_off]),
(unsigned int) cbuf_len);
switch (SSL_get_error(con, k)) {
case SSL_ERROR_NONE:
cbuf_off += k;
cbuf_len -= k;
if (k <= 0)
goto end;
/* we have done a write(con,NULL,0); */
if (cbuf_len <= 0) {
read_tty = 1;
write_ssl = 0;
} else { /* if (cbuf_len > 0) */
read_tty = 0;
write_ssl = 1;
}
break;
case SSL_ERROR_WANT_WRITE:
BIO_printf(bio_c_out, "write W BLOCK\n");
write_ssl = 1;
read_tty = 0;
break;
case SSL_ERROR_WANT_READ:
BIO_printf(bio_c_out, "write R BLOCK\n");
write_tty = 0;
read_ssl = 1;
write_ssl = 0;
break;
case SSL_ERROR_WANT_X509_LOOKUP:
BIO_printf(bio_c_out, "write X BLOCK\n");
break;
case SSL_ERROR_ZERO_RETURN:
if (cbuf_len != 0) {
BIO_printf(bio_c_out, "shutdown\n");
ret = 0;
goto shut;
} else {
read_tty = 1;
write_ssl = 0;
break;
}
case SSL_ERROR_SYSCALL:
if ((k != 0) || (cbuf_len != 0)) {
BIO_printf(bio_err, "write:errno=%d\n",
errno);
goto shut;
} else {
read_tty = 1;
write_ssl = 0;
}
break;
case SSL_ERROR_SSL:
ERR_print_errors(bio_err);
goto shut;
}
} else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds)) {
i = write(fileno(stdout), &(sbuf[sbuf_off]), sbuf_len);
if (i <= 0) {
BIO_printf(bio_c_out, "DONE\n");
ret = 0;
goto shut;
/* goto end; */
}
sbuf_len -= i;
sbuf_off += i;
if (sbuf_len <= 0) {
read_ssl = 1;
write_tty = 0;
}
} else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
#ifdef RENEG
{
static int iiii;
if (++iiii == 52) {
SSL_renegotiate(con);
iiii = 0;
}
}
#endif
k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
switch (SSL_get_error(con, k)) {
case SSL_ERROR_NONE:
if (k <= 0)
goto end;
sbuf_off = 0;
sbuf_len = k;
read_ssl = 0;
write_tty = 1;
break;
case SSL_ERROR_WANT_WRITE:
BIO_printf(bio_c_out, "read W BLOCK\n");
write_ssl = 1;
read_tty = 0;
break;
case SSL_ERROR_WANT_READ:
BIO_printf(bio_c_out, "read R BLOCK\n");
write_tty = 0;
read_ssl = 1;
if ((read_tty == 0) && (write_ssl == 0))
write_ssl = 1;
break;
case SSL_ERROR_WANT_X509_LOOKUP:
BIO_printf(bio_c_out, "read X BLOCK\n");
break;
case SSL_ERROR_SYSCALL:
ret = errno;
BIO_printf(bio_err, "read:errno=%d\n", ret);
goto shut;
case SSL_ERROR_ZERO_RETURN:
BIO_printf(bio_c_out, "closed\n");
ret = 0;
goto shut;
case SSL_ERROR_SSL:
ERR_print_errors(bio_err);
goto shut;
/* break; */
}
} else if (FD_ISSET(fileno(stdin), &readfds)) {
if (crlf) {
int j, lf_num;
i = read(fileno(stdin), cbuf, BUFSIZZ / 2);
lf_num = 0;
/* both loops are skipped when i <= 0 */
for (j = 0; j < i; j++)
if (cbuf[j] == '\n')
lf_num++;
for (j = i - 1; j >= 0; j--) {
cbuf[j + lf_num] = cbuf[j];
if (cbuf[j] == '\n') {
lf_num--;
i++;
cbuf[j + lf_num] = '\r';
}
}
assert(lf_num == 0);
} else
i = read(fileno(stdin), cbuf, BUFSIZZ);
if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) {
BIO_printf(bio_err, "DONE\n");
ret = 0;
goto shut;
}
if ((!c_ign_eof) && (cbuf[0] == 'R')) {
BIO_printf(bio_err, "RENEGOTIATING\n");
SSL_renegotiate(con);
cbuf_len = 0;
} else {
cbuf_len = i;
cbuf_off = 0;
}
write_ssl = 1;
read_tty = 0;
}
}
ret = 0;
shut:
if (in_init)
print_stuff(bio_c_out, con, full_log);
SSL_shutdown(con);
shutdown(SSL_get_fd(con), SHUT_RD);
close(SSL_get_fd(con));
end:
if (con != NULL) {
if (prexit != 0)
print_stuff(bio_c_out, con, 1);
SSL_free(con);
}
#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
free(next_proto.data);
#endif
if (ctx != NULL)
SSL_CTX_free(ctx);
if (cert)
X509_free(cert);
if (key)
EVP_PKEY_free(key);
free(pass);
if (vpm)
X509_VERIFY_PARAM_free(vpm);
if (cbuf != NULL) {
OPENSSL_cleanse(cbuf, BUFSIZZ);
free(cbuf);
}
if (sbuf != NULL) {
OPENSSL_cleanse(sbuf, BUFSIZZ);
free(sbuf);
}
if (mbuf != NULL) {
OPENSSL_cleanse(mbuf, BUFSIZZ);
free(mbuf);
}
if (bio_c_out != NULL) {
BIO_free(bio_c_out);
bio_c_out = NULL;
}
return (ret);
}
void client_test(void* args)
{
SOCKET_T sockfd = 0;
SSL_METHOD* method = 0;
SSL_CTX* ctx = 0;
SSL* ssl = 0;
#ifdef TEST_RESUME
SSL* sslResume = 0;
SSL_SESSION* session = 0;
char resumeMsg[] = "resuming cyassl!";
int resumeSz = sizeof(resumeMsg);
#endif
char msg[64] = "hello cyassl!";
char reply[1024];
int input;
int msgSz = strlen(msg);
int argc = ((func_args*)args)->argc;
char** argv = ((func_args*)args)->argv;
((func_args*)args)->return_code = -1; /* error state */
#if defined(CYASSL_DTLS)
method = DTLSv1_client_method();
#elif !defined(NO_TLS)
method = SSLv23_client_method();
#else
method = SSLv3_client_method();
#endif
ctx = SSL_CTX_new(method);
#ifndef NO_PSK
SSL_CTX_set_psk_client_callback(ctx, my_psk_client_cb);
#endif
#ifdef OPENSSL_EXTRA
SSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack);
#endif
#ifdef CYASSL_SNIFFER
/* don't use EDH, can't sniff tmp keys */
SSL_CTX_set_cipher_list(ctx, "AES256-SHA");
#endif
#ifndef NO_FILESYSTEM
if (SSL_CTX_load_verify_locations(ctx, caCert, 0) != SSL_SUCCESS)
err_sys("can't load ca file");
#ifdef HAVE_ECC
if (SSL_CTX_load_verify_locations(ctx, eccCert, 0) != SSL_SUCCESS)
err_sys("can't load ca file");
#endif
#else
load_buffer(ctx, caCert, CYASSL_CA);
#endif
#ifdef VERIFY_CALLBACK
SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, myVerify);
#endif
if (argc == 3) {
/* ./client server securePort */
SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, 0); /* TODO: add ca cert */
/* this is just to allow easy testing of other servers */
tcp_connect(&sockfd, argv[1], (short)atoi(argv[2]));
}
else if (argc == 1) {
/* ./client // plain mode */
/* for client cert authentication if server requests */
#ifndef NO_FILESYSTEM
if (SSL_CTX_use_certificate_file(ctx, cliCert, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("can't load client cert file");
if (SSL_CTX_use_PrivateKey_file(ctx, cliKey, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("can't load client key file");
#else
load_buffer(ctx, cliCert, CYASSL_CERT);
load_buffer(ctx, cliKey, CYASSL_KEY);
#endif
tcp_connect(&sockfd, yasslIP, yasslPort);
}
else if (argc == 2) {
/* time passed in number of connects give average */
int times = atoi(argv[1]);
int i = 0;
double start = current_time(), avg;
for (i = 0; i < times; i++) {
tcp_connect(&sockfd, yasslIP, yasslPort);
ssl = SSL_new(ctx);
SSL_set_fd(ssl, sockfd);
if (SSL_connect(ssl) != SSL_SUCCESS)
err_sys("SSL_connect failed");
SSL_shutdown(ssl);
SSL_free(ssl);
CloseSocket(sockfd);
}
avg = current_time() - start;
avg /= times;
avg *= 1000; /* milliseconds */
printf("SSL_connect avg took:%6.3f milliseconds\n", avg);
SSL_CTX_free(ctx);
((func_args*)args)->return_code = 0;
return;
}
else
err_sys("usage: ./client server securePort");
ssl = SSL_new(ctx);
SSL_set_fd(ssl, sockfd);
if (argc != 3)
CyaSSL_check_domain_name(ssl, "www.yassl.com");
#ifdef NON_BLOCKING
tcp_set_nonblocking(&sockfd);
NonBlockingSSL_Connect(ssl);
#else
#ifndef CYASSL_CALLBACKS
if (SSL_connect(ssl) != SSL_SUCCESS) { /* see note at top of README */
int err = SSL_get_error(ssl, 0);
char buffer[80];
printf("err = %d, %s\n", err, ERR_error_string(err, buffer));
err_sys("SSL_connect failed");/* if you're getting an error here */
}
#else
timeout.tv_sec = 2;
timeout.tv_usec = 0;
NonBlockingSSL_Connect(ssl); /* will keep retrying on timeout */
#endif
#endif
showPeer(ssl);
if (argc == 3) {
printf("SSL connect ok, sending GET...\n");
msgSz = 28;
strncpy(msg, "GET /index.html HTTP/1.0\r\n\r\n", msgSz);
}
if (SSL_write(ssl, msg, msgSz) != msgSz)
err_sys("SSL_write failed");
input = SSL_read(ssl, reply, sizeof(reply));
if (input > 0) {
reply[input] = 0;
printf("Server response: %s\n", reply);
if (argc == 3) { /* get html */
while (1) {
input = SSL_read(ssl, reply, sizeof(reply));
if (input > 0) {
reply[input] = 0;
printf("%s\n", reply);
}
else
break;
}
}
}
#ifdef TEST_RESUME
#ifdef CYASSL_DTLS
strncpy(msg, "break", 6);
msgSz = (int)strlen(msg);
/* try to send session close */
SSL_write(ssl, msg, msgSz);
#endif
session = SSL_get_session(ssl);
sslResume = SSL_new(ctx);
#endif
SSL_shutdown(ssl);
SSL_free(ssl);
CloseSocket(sockfd);
#ifdef TEST_RESUME
#ifdef CYASSL_DTLS
#ifdef USE_WINDOWS_API
Sleep(500);
#else
sleep(1);
#endif
#endif
if (argc == 3)
tcp_connect(&sockfd, argv[1], (short)atoi(argv[2]));
else
tcp_connect(&sockfd, yasslIP, yasslPort);
SSL_set_fd(sslResume, sockfd);
SSL_set_session(sslResume, session);
showPeer(sslResume);
if (SSL_connect(sslResume) != SSL_SUCCESS) err_sys("SSL resume failed");
#ifdef OPENSSL_EXTRA
if (SSL_session_reused(sslResume))
printf("reused session id\n");
else
printf("didn't reuse session id!!!\n");
#endif
if (SSL_write(sslResume, resumeMsg, resumeSz) != resumeSz)
err_sys("SSL_write failed");
input = SSL_read(sslResume, reply, sizeof(reply));
if (input > 0) {
reply[input] = 0;
printf("Server resume response: %s\n", reply);
}
/* try to send session break */
SSL_write(sslResume, msg, msgSz);
SSL_shutdown(sslResume);
SSL_free(sslResume);
#endif /* TEST_RESUME */
SSL_CTX_free(ctx);
CloseSocket(sockfd);
((func_args*)args)->return_code = 0;
}
gboolean fbConnSpecInitTLS(
fbConnSpec_t *spec,
gboolean passive,
GError **err)
{
const SSL_METHOD *tlsmeth = NULL;
SSL_CTX *ssl_ctx = NULL;
gboolean ok = TRUE;
/* Initialize the library and error strings */
SSL_library_init();
SSL_load_error_strings();
/*
* Select a TLS method based on passivity and transport.
* Shortcircuit on no TLS initialization necessary for sockets.
*/
switch (spec->transport) {
#if FB_ENABLE_SCTP
case FB_SCTP:
#endif
case FB_TCP:
case FB_UDP:
return TRUE;
#if HAVE_OPENSSL_DTLS_SCTP
case FB_DTLS_SCTP:
tlsmeth = passive ? DTLSv1_server_method() : DTLSv1_client_method();
break;
#endif
case FB_TLS_TCP:
tlsmeth = passive ? TLSv1_server_method() : TLSv1_client_method();
break;
#if HAVE_OPENSSL_DTLS
case FB_DTLS_UDP:
tlsmeth = passive ? DTLSv1_server_method() : DTLSv1_client_method();
break;
#endif
default:
g_set_error(err, FB_ERROR_DOMAIN, FB_ERROR_IMPL,
"Unsupported TLS method.");
return FALSE;
}
/* Verify we have all the files we need */
g_assert(spec->ssl_ca_file);
g_assert(spec->ssl_cert_file);
g_assert(spec->ssl_key_file);
/* nuke the old context if there is one */
if (spec->vssl_ctx) {
SSL_CTX_free((SSL_CTX *)spec->vssl_ctx);
spec->vssl_ctx = NULL;
}
/* create an SSL_CTX object */
ssl_ctx = SSL_CTX_new(tlsmeth);
if (!ssl_ctx) {
g_set_error(err, FB_ERROR_DOMAIN, FB_ERROR_CONN,
"Cannot create SSL context: %s",
ERR_error_string(ERR_get_error(), NULL));
while (ERR_get_error());
ok = FALSE;
goto end;
}
/* Set up password callback */
SSL_CTX_set_default_passwd_cb(ssl_ctx, fbConnSpecGetTLSPassword);
SSL_CTX_set_default_passwd_cb_userdata(ssl_ctx, spec->ssl_key_pass);
/* Load CA certificate */
if (SSL_CTX_load_verify_locations(ssl_ctx,
spec->ssl_ca_file, NULL) != 1) {
ok = FALSE;
g_set_error(err, FB_ERROR_DOMAIN, FB_ERROR_CONN,
"Failed to load certificate authority file %s: %s",
spec->ssl_ca_file, ERR_error_string(ERR_get_error(), NULL));
while (ERR_get_error());
goto end;
}
/* Load certificate */
if (SSL_CTX_use_certificate_chain_file(ssl_ctx,
spec->ssl_cert_file) != 1) {
ok = FALSE;
g_set_error(err, FB_ERROR_DOMAIN, FB_ERROR_CONN,
"Failed to load certificate file %s: %s",
spec->ssl_cert_file,
ERR_error_string(ERR_get_error(), NULL));
while (ERR_get_error());
goto end;
}
/* Load private key */
if (SSL_CTX_use_PrivateKey_file(ssl_ctx,
spec->ssl_key_file,
SSL_FILETYPE_PEM) != 1) {
ok = FALSE;
g_set_error(err, FB_ERROR_DOMAIN, FB_ERROR_CONN,
"Failed to load private key file %s: %s",
spec->ssl_key_file,
ERR_error_string(ERR_get_error(), NULL));
while (ERR_get_error());
goto end;
}
/* Require verification */
SSL_CTX_set_verify(ssl_ctx,
SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
fbConnSpecVerifyTLSCert);
/* Stash SSL context in specifier */
spec->vssl_ctx = ssl_ctx;
end:
/* free incomplete SSL context */
if (!ok) SSL_CTX_free(ssl_ctx);
return ok;
}
/**
* \brief Initialize verse client context
*/
int vc_init_ctx(struct VC_CTX *vc_ctx)
{
int i;
/* Allocate memory for session slots and make session slots NULL */
vc_ctx->vsessions = (struct VSession**)malloc(sizeof(struct VSession*)*vc_ctx->max_sessions);
vc_ctx->session_counter = 0;
for(i=0; i<vc_ctx->max_sessions; i++) {
vc_ctx->vsessions[i] = NULL;
}
/* Initialize callback function */
vc_init_func_storage(&vc_ctx->vfs);
#ifdef WITH_OPENSSL
/* Set up the library */
SSL_library_init();
ERR_load_BIO_strings();
SSL_load_error_strings();
OpenSSL_add_all_algorithms();
/* Set up SSL context for TLS */
if( (vc_ctx->tls_ctx = SSL_CTX_new(TLSv1_client_method())) == NULL ) {
v_print_log(VRS_PRINT_ERROR, "Setting up SSL_CTX for TLS failed.\n");
ERR_print_errors_fp(v_log_file());
return 0;
}
/* Load the trust store for TLS */
if(SSL_CTX_load_verify_locations(vc_ctx->tls_ctx, NULL, vc_ctx->ca_path) != 1) {
v_print_log(VRS_PRINT_ERROR, "Loading path with CA certificates failed.\n");
ERR_print_errors_fp(v_log_file());
} else {
v_print_log(VRS_PRINT_DEBUG_MSG, "Path %s with CA certificates loaded successfully.\n",
vc_ctx->ca_path);
}
#endif
#if (defined WITH_OPENSSL) && OPENSSL_VERSION_NUMBER>=0x10000000
/* Set up SSL context for DTSL */
if( (vc_ctx->dtls_ctx = SSL_CTX_new(DTLSv1_client_method())) == NULL ) {
v_print_log(VRS_PRINT_ERROR, "Setting up SSL_CTX for DTLS failed.\n");
ERR_print_errors_fp(v_log_file());
return 0;
}
/* Load the trust store for DTLS */
if(SSL_CTX_load_verify_locations(vc_ctx->dtls_ctx, NULL, vc_ctx->ca_path) != 1) {
v_print_log(VRS_PRINT_ERROR, "Loading path with CA certificates failed.\n");
ERR_print_errors_fp(v_log_file());
} else {
v_print_log(VRS_PRINT_DEBUG_MSG, "Path %s with CA certificates loaded successfully.\n",
vc_ctx->ca_path);
}
/* Negotiate ciphers with server
* For testing: (encryption:none, mac:sha) eNULL:!MDP5
* For real use: ALL:ALL */
if( SSL_CTX_set_cipher_list(vc_ctx->dtls_ctx, "eNULL:!MD5") == 0) {
v_print_log(VRS_PRINT_ERROR, "Setting ciphers for DTLS failed.\n");
ERR_print_errors_fp(v_log_file());
return 0;
}
/* This is necessary for DTLS */
SSL_CTX_set_read_ahead(vc_ctx->dtls_ctx, 1);
#else
vc_ctx->dtls_ctx = NULL;
#endif
/* Default name and version */
vc_ctx->client_name = NULL;
vc_ctx->client_version = NULL;
pthread_mutex_init(&vc_ctx->mutex, NULL);
return 1;
}
void echoclient_test(void* args)
{
SOCKET_T sockfd = 0;
FILE* fin = stdin;
FILE* fout = stdout;
int inCreated = 0;
int outCreated = 0;
char msg[1024];
char reply[1024];
SSL_METHOD* method = 0;
SSL_CTX* ctx = 0;
SSL* ssl = 0;
int doDTLS = 0;
int doLeanPSK = 0;
int sendSz;
int argc = 0;
char** argv = 0;
((func_args*)args)->return_code = -1; /* error state */
argc = ((func_args*)args)->argc;
argv = ((func_args*)args)->argv;
if (argc >= 2) {
fin = fopen(argv[1], "r");
inCreated = 1;
}
if (argc >= 3) {
fout = fopen(argv[2], "w");
outCreated = 1;
}
if (!fin) err_sys("can't open input file");
if (!fout) err_sys("can't open output file");
#ifdef CYASSL_DTLS
doDTLS = 1;
#endif
#ifdef CYASSL_LEANPSK
doLeanPSK = 1;
#endif
#if defined(CYASSL_DTLS)
method = DTLSv1_client_method();
#elif !defined(NO_TLS)
method = CyaSSLv23_client_method();
#else
method = SSLv3_client_method();
#endif
ctx = SSL_CTX_new(method);
#ifndef NO_FILESYSTEM
if (SSL_CTX_load_verify_locations(ctx, caCert, 0) != SSL_SUCCESS)
err_sys("can't load ca file, Please run from CyaSSL home dir");
#ifdef HAVE_ECC
if (SSL_CTX_load_verify_locations(ctx, eccCert, 0) != SSL_SUCCESS)
err_sys("can't load ca file, Please run from CyaSSL home dir");
#endif
#elif !defined(NO_CERTS)
if (!doLeanPSK)
load_buffer(ctx, caCert, CYASSL_CA);
#endif
#if defined(CYASSL_SNIFFER) && !defined(HAVE_NTRU) && !defined(HAVE_ECC)
/* don't use EDH, can't sniff tmp keys */
SSL_CTX_set_cipher_list(ctx, "AES256-SHA");
#endif
if (doLeanPSK) {
#ifdef CYASSL_LEANPSK
CyaSSL_CTX_set_psk_client_callback(ctx, my_psk_client_cb);
SSL_CTX_set_cipher_list(ctx, "PSK-NULL-SHA");
#endif
}
#ifdef OPENSSL_EXTRA
SSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack);
#endif
ssl = SSL_new(ctx);
if (doDTLS) {
SOCKADDR_IN_T addr;
build_addr(&addr, yasslIP, yasslPort);
CyaSSL_dtls_set_peer(ssl, &addr, sizeof(addr));
tcp_socket(&sockfd, 1);
}
else {
tcp_connect(&sockfd, yasslIP, yasslPort, 0);
}
SSL_set_fd(ssl, sockfd);
#if defined(USE_WINDOWS_API) && defined(CYASSL_DTLS) && defined(NO_MAIN_DRIVER)
/* let echoserver bind first, TODO: add Windows signal like pthreads does */
Sleep(100);
#endif
if (SSL_connect(ssl) != SSL_SUCCESS) err_sys("SSL_connect failed");
while (fgets(msg, sizeof(msg), fin)) {
sendSz = (int)strlen(msg);
if (SSL_write(ssl, msg, sendSz) != sendSz)
err_sys("SSL_write failed");
if (strncmp(msg, "quit", 4) == 0) {
fputs("sending server shutdown command: quit!\n", fout);
break;
}
if (strncmp(msg, "break", 5) == 0) {
fputs("sending server session close: break!\n", fout);
break;
}
while (sendSz) {
int got;
if ( (got = SSL_read(ssl, reply, sizeof(reply))) > 0) {
reply[got] = 0;
fputs(reply, fout);
sendSz -= got;
}
else
break;
}
}
#ifdef CYASSL_DTLS
strncpy(msg, "break", 6);
sendSz = (int)strlen(msg);
/* try to tell server done */
SSL_write(ssl, msg, sendSz);
#else
SSL_shutdown(ssl);
#endif
SSL_free(ssl);
SSL_CTX_free(ctx);
fflush(fout);
if (inCreated) fclose(fin);
if (outCreated) fclose(fout);
CloseSocket(sockfd);
((func_args*)args)->return_code = 0;
}
int connect_dtls_socket(struct openconnect_info *vpninfo)
{
STACK_OF(SSL_CIPHER) *ciphers;
method_const SSL_METHOD *dtls_method;
SSL_CIPHER *dtls_cipher;
SSL *dtls_ssl;
BIO *dtls_bio;
int dtls_fd;
if (!vpninfo->dtls_addr) {
vpn_progress(vpninfo, PRG_ERR, _("No DTLS address\n"));
vpninfo->dtls_attempt_period = 0;
return -EINVAL;
}
if (!vpninfo->dtls_cipher) {
/* We probably didn't offer it any ciphers it liked */
vpn_progress(vpninfo, PRG_ERR, _("Server offered no DTLS cipher option\n"));
vpninfo->dtls_attempt_period = 0;
return -EINVAL;
}
if (vpninfo->proxy) {
/* XXX: Theoretically, SOCKS5 proxies can do UDP too */
vpn_progress(vpninfo, PRG_ERR, _("No DTLS when connected via proxy\n"));
vpninfo->dtls_attempt_period = 0;
return -EINVAL;
}
dtls_fd = socket(vpninfo->peer_addr->sa_family, SOCK_DGRAM, IPPROTO_UDP);
if (dtls_fd < 0) {
perror(_("Open UDP socket for DTLS:"));
return -EINVAL;
}
if (connect(dtls_fd, vpninfo->dtls_addr, vpninfo->peer_addrlen)) {
perror(_("UDP (DTLS) connect:\n"));
close(dtls_fd);
return -EINVAL;
}
fcntl(dtls_fd, F_SETFD, FD_CLOEXEC);
if (!vpninfo->dtls_ctx) {
dtls_method = DTLSv1_client_method();
vpninfo->dtls_ctx = SSL_CTX_new(dtls_method);
if (!vpninfo->dtls_ctx) {
vpn_progress(vpninfo, PRG_ERR,
_("Initialise DTLSv1 CTX failed\n"));
vpninfo->dtls_attempt_period = 0;
return -EINVAL;
}
/* If we don't readahead, then we do short reads and throw
away the tail of data packets. */
SSL_CTX_set_read_ahead(vpninfo->dtls_ctx, 1);
if (!SSL_CTX_set_cipher_list(vpninfo->dtls_ctx, vpninfo->dtls_cipher)) {
vpn_progress(vpninfo, PRG_ERR,
_("Set DTLS cipher list failed\n"));
SSL_CTX_free(vpninfo->dtls_ctx);
vpninfo->dtls_ctx = NULL;
vpninfo->dtls_attempt_period = 0;
return -EINVAL;
}
}
if (!vpninfo->dtls_session) {
/* We're going to "resume" a session which never existed. Fake it... */
vpninfo->dtls_session = SSL_SESSION_new();
if (!vpninfo->dtls_session) {
vpn_progress(vpninfo, PRG_ERR,
_("Initialise DTLSv1 session failed\n"));
vpninfo->dtls_attempt_period = 0;
return -EINVAL;
}
vpninfo->dtls_session->ssl_version = 0x0100; /* DTLS1_BAD_VER */
}
/* Do this every time; it may have changed due to a rekey */
vpninfo->dtls_session->master_key_length = sizeof(vpninfo->dtls_secret);
memcpy(vpninfo->dtls_session->master_key, vpninfo->dtls_secret,
sizeof(vpninfo->dtls_secret));
vpninfo->dtls_session->session_id_length = sizeof(vpninfo->dtls_session_id);
memcpy(vpninfo->dtls_session->session_id, vpninfo->dtls_session_id,
sizeof(vpninfo->dtls_session_id));
dtls_ssl = SSL_new(vpninfo->dtls_ctx);
SSL_set_connect_state(dtls_ssl);
ciphers = SSL_get_ciphers(dtls_ssl);
if (sk_SSL_CIPHER_num(ciphers) != 1) {
vpn_progress(vpninfo, PRG_ERR, _("Not precisely one DTLS cipher\n"));
SSL_CTX_free(vpninfo->dtls_ctx);
SSL_free(dtls_ssl);
SSL_SESSION_free(vpninfo->dtls_session);
vpninfo->dtls_ctx = NULL;
vpninfo->dtls_session = NULL;
vpninfo->dtls_attempt_period = 0;
return -EINVAL;
}
dtls_cipher = sk_SSL_CIPHER_value(ciphers, 0);
/* Set the appropriate cipher on our session to be resumed */
vpninfo->dtls_session->cipher = dtls_cipher;
vpninfo->dtls_session->cipher_id = dtls_cipher->id;
/* Add the generated session to the SSL */
if (!SSL_set_session(dtls_ssl, vpninfo->dtls_session)) {
vpn_progress(vpninfo, PRG_ERR,
_("SSL_set_session() failed with old protocol version 0x%x\n"
"Are you using a version of OpenSSL older than 0.9.8m?\n"
"See http://rt.openssl.org/Ticket/Display.html?id=1751\n"
"Use the --no-dtls command line option to avoid this message\n"),
vpninfo->dtls_session->ssl_version);
vpninfo->dtls_attempt_period = 0;
return -EINVAL;
}
/* Go Go Go! */
dtls_bio = BIO_new_socket(dtls_fd, BIO_NOCLOSE);
SSL_set_bio(dtls_ssl, dtls_bio, dtls_bio);
SSL_set_options(dtls_ssl, SSL_OP_CISCO_ANYCONNECT);
/* Set non-blocking */
BIO_set_nbio(SSL_get_rbio(dtls_ssl), 1);
BIO_set_nbio(SSL_get_wbio(dtls_ssl), 1);
fcntl(dtls_fd, F_SETFL, fcntl(dtls_fd, F_GETFL) | O_NONBLOCK);
vpninfo->new_dtls_fd = dtls_fd;
vpninfo->new_dtls_ssl = dtls_ssl;
if (vpninfo->select_nfds <= dtls_fd)
vpninfo->select_nfds = dtls_fd + 1;
FD_SET(dtls_fd, &vpninfo->select_rfds);
FD_SET(dtls_fd, &vpninfo->select_efds);
time(&vpninfo->new_dtls_started);
return dtls_try_handshake(vpninfo);
}
int MAIN(int argc, char **argv)
{
int off=0;
SSL *con=NULL,*con2=NULL;
X509_STORE *store = NULL;
int s,k,width,state=0;
char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
int cbuf_len,cbuf_off;
int sbuf_len,sbuf_off;
fd_set readfds,writefds;
short port=PORT;
int full_log=1;
char *host=SSL_HOST_NAME;
char *cert_file=NULL,*key_file=NULL;
int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
char *passarg = NULL, *pass = NULL;
X509 *cert = NULL;
EVP_PKEY *key = NULL;
char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
int crlf=0;
int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
SSL_CTX *ctx=NULL;
int ret=1,in_init=1,i,nbio_test=0;
int starttls_proto = PROTO_OFF;
int prexit = 0, vflags = 0;
SSL_METHOD *meth=NULL;
#ifdef sock_type
#undef sock_type
#endif
int sock_type=SOCK_STREAM;
BIO *sbio;
char *inrand=NULL;
int mbuf_len=0;
#ifndef OPENSSL_NO_ENGINE
char *engine_id=NULL;
ENGINE *e=NULL;
#endif
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
struct timeval tv;
#endif
struct sockaddr peer;
int peerlen = sizeof(peer);
int enable_timeouts = 0 ;
long mtu = 0;
#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
meth=SSLv23_client_method();
#elif !defined(OPENSSL_NO_SSL3)
meth=SSLv3_client_method();
#elif !defined(OPENSSL_NO_SSL2)
meth=SSLv2_client_method();
#endif
apps_startup();
c_Pause=0;
c_quiet=0;
c_ign_eof=0;
c_debug=0;
c_msg=0;
c_showcerts=0;
if (bio_err == NULL)
bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
if (!load_config(bio_err, NULL))
goto end;
if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
{
BIO_printf(bio_err,"out of memory\n");
goto end;
}
verify_depth=0;
verify_error=X509_V_OK;
#ifdef FIONBIO
c_nbio=0;
#endif
argc--;
argv++;
while (argc >= 1)
{
if (strcmp(*argv,"-host") == 0)
{
if (--argc < 1) goto bad;
host= *(++argv);
}
else if (strcmp(*argv,"-port") == 0)
{
if (--argc < 1) goto bad;
port=atoi(*(++argv));
if (port == 0) goto bad;
}
else if (strcmp(*argv,"-connect") == 0)
{
if (--argc < 1) goto bad;
if (!extract_host_port(*(++argv),&host,NULL,&port))
goto bad;
}
else if (strcmp(*argv,"-verify") == 0)
{
verify=SSL_VERIFY_PEER;
if (--argc < 1) goto bad;
verify_depth=atoi(*(++argv));
BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
}
else if (strcmp(*argv,"-cert") == 0)
{
if (--argc < 1) goto bad;
cert_file= *(++argv);
}
else if (strcmp(*argv,"-certform") == 0)
{
if (--argc < 1) goto bad;
cert_format = str2fmt(*(++argv));
}
else if (strcmp(*argv,"-crl_check") == 0)
vflags |= X509_V_FLAG_CRL_CHECK;
else if (strcmp(*argv,"-crl_check_all") == 0)
vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
else if (strcmp(*argv,"-prexit") == 0)
prexit=1;
else if (strcmp(*argv,"-crlf") == 0)
crlf=1;
else if (strcmp(*argv,"-quiet") == 0)
{
c_quiet=1;
c_ign_eof=1;
}
else if (strcmp(*argv,"-ign_eof") == 0)
c_ign_eof=1;
else if (strcmp(*argv,"-pause") == 0)
c_Pause=1;
else if (strcmp(*argv,"-debug") == 0)
c_debug=1;
#ifdef WATT32
else if (strcmp(*argv,"-wdebug") == 0)
dbug_init();
#endif
else if (strcmp(*argv,"-msg") == 0)
c_msg=1;
else if (strcmp(*argv,"-showcerts") == 0)
c_showcerts=1;
else if (strcmp(*argv,"-nbio_test") == 0)
nbio_test=1;
else if (strcmp(*argv,"-state") == 0)
state=1;
#ifndef OPENSSL_NO_SSL2
else if (strcmp(*argv,"-ssl2") == 0)
meth=SSLv2_client_method();
#endif
#ifndef OPENSSL_NO_SSL3
else if (strcmp(*argv,"-ssl3") == 0)
meth=SSLv3_client_method();
#endif
#ifndef OPENSSL_NO_TLS1
else if (strcmp(*argv,"-tls1") == 0)
meth=TLSv1_client_method();
#endif
#ifndef OPENSSL_NO_DTLS1
else if (strcmp(*argv,"-dtls1") == 0)
{
meth=DTLSv1_client_method();
sock_type=SOCK_DGRAM;
}
else if (strcmp(*argv,"-timeout") == 0)
enable_timeouts=1;
else if (strcmp(*argv,"-mtu") == 0)
{
if (--argc < 1) goto bad;
mtu = atol(*(++argv));
}
#endif
else if (strcmp(*argv,"-bugs") == 0)
bugs=1;
else if (strcmp(*argv,"-keyform") == 0)
{
if (--argc < 1) goto bad;
key_format = str2fmt(*(++argv));
}
else if (strcmp(*argv,"-pass") == 0)
{
if (--argc < 1) goto bad;
passarg = *(++argv);
}
else if (strcmp(*argv,"-key") == 0)
{
if (--argc < 1) goto bad;
key_file= *(++argv);
}
else if (strcmp(*argv,"-reconnect") == 0)
{
reconnect=5;
}
else if (strcmp(*argv,"-CApath") == 0)
{
if (--argc < 1) goto bad;
CApath= *(++argv);
}
else if (strcmp(*argv,"-CAfile") == 0)
{
if (--argc < 1) goto bad;
CAfile= *(++argv);
}
else if (strcmp(*argv,"-no_tls1") == 0)
off|=SSL_OP_NO_TLSv1;
else if (strcmp(*argv,"-no_ssl3") == 0)
off|=SSL_OP_NO_SSLv3;
else if (strcmp(*argv,"-no_ssl2") == 0)
off|=SSL_OP_NO_SSLv2;
else if (strcmp(*argv,"-serverpref") == 0)
off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
else if (strcmp(*argv,"-cipher") == 0)
{
if (--argc < 1) goto bad;
cipher= *(++argv);
}
#ifdef FIONBIO
else if (strcmp(*argv,"-nbio") == 0)
{
c_nbio=1;
}
#endif
else if (strcmp(*argv,"-starttls") == 0)
{
if (--argc < 1) goto bad;
++argv;
if (strcmp(*argv,"smtp") == 0)
starttls_proto = PROTO_SMTP;
else if (strcmp(*argv,"pop3") == 0)
starttls_proto = PROTO_POP3;
else if (strcmp(*argv,"imap") == 0)
starttls_proto = PROTO_IMAP;
else if (strcmp(*argv,"ftp") == 0)
starttls_proto = PROTO_FTP;
else
goto bad;
}
#ifndef OPENSSL_NO_ENGINE
else if (strcmp(*argv,"-engine") == 0)
{
if (--argc < 1) goto bad;
engine_id = *(++argv);
}
#endif
else if (strcmp(*argv,"-rand") == 0)
{
if (--argc < 1) goto bad;
inrand= *(++argv);
}
else
{
BIO_printf(bio_err,"unknown option %s\n",*argv);
badop=1;
break;
}
argc--;
argv++;
}
if (badop)
{
bad:
sc_usage();
goto end;
}
OpenSSL_add_ssl_algorithms();
SSL_load_error_strings();
#ifndef OPENSSL_NO_ENGINE
e = setup_engine(bio_err, engine_id, 1);
#endif
if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
{
BIO_printf(bio_err, "Error getting password\n");
goto end;
}
if (key_file == NULL)
key_file = cert_file;
if (key_file)
{
key = load_key(bio_err, key_file, key_format, 0, pass, e,
"client certificate private key file");
if (!key)
{
ERR_print_errors(bio_err);
goto end;
}
}
if (cert_file)
{
cert = load_cert(bio_err,cert_file,cert_format,
NULL, e, "client certificate file");
if (!cert)
{
ERR_print_errors(bio_err);
goto end;
}
}
if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
&& !RAND_status())
{
BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
}
if (inrand != NULL)
BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
app_RAND_load_files(inrand));
if (bio_c_out == NULL)
{
if (c_quiet && !c_debug && !c_msg)
{
bio_c_out=BIO_new(BIO_s_null());
}
else
{
if (bio_c_out == NULL)
bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
}
}
ctx=SSL_CTX_new(meth);
if (ctx == NULL)
{
ERR_print_errors(bio_err);
goto end;
}
if (bugs)
SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
else
SSL_CTX_set_options(ctx,off);
/* DTLS: partial reads end up discarding unread UDP bytes :-(
* Setting read ahead solves this problem.
*/
if (sock_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
if (cipher != NULL)
if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
BIO_printf(bio_err,"error setting cipher list\n");
ERR_print_errors(bio_err);
goto end;
}
#if 0
else
SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
#endif
SSL_CTX_set_verify(ctx,verify,verify_callback);
if (!set_cert_key_stuff(ctx,cert,key))
goto end;
if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
(!SSL_CTX_set_default_verify_paths(ctx)))
{
/* BIO_printf(bio_err,"error setting default verify locations\n"); */
ERR_print_errors(bio_err);
/* goto end; */
}
store = SSL_CTX_get_cert_store(ctx);
X509_STORE_set_flags(store, vflags);
con=SSL_new(ctx);
#ifndef OPENSSL_NO_KRB5
if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)
{
kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
}
#endif /* OPENSSL_NO_KRB5 */
/* SSL_set_cipher_list(con,"RC4-MD5"); */
re_start:
if (init_client(&s,host,port,sock_type) == 0)
{
BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
SHUTDOWN(s);
goto end;
}
BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
#ifdef FIONBIO
if (c_nbio)
{
unsigned long l=1;
BIO_printf(bio_c_out,"turning on non blocking io\n");
if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
{
ERR_print_errors(bio_err);
goto end;
}
}
#endif
if (c_Pause & 0x01) con->debug=1;
if ( SSL_version(con) == DTLS1_VERSION)
{
struct timeval timeout;
sbio=BIO_new_dgram(s,BIO_NOCLOSE);
if (getsockname(s, &peer, (void *)&peerlen) < 0)
{
BIO_printf(bio_err, "getsockname:errno=%d\n",
get_last_socket_error());
SHUTDOWN(s);
goto end;
}
(void)BIO_ctrl_set_connected(sbio, 1, &peer);
if ( enable_timeouts)
{
timeout.tv_sec = 0;
timeout.tv_usec = DGRAM_RCV_TIMEOUT;
BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
timeout.tv_sec = 0;
timeout.tv_usec = DGRAM_SND_TIMEOUT;
BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
}
if ( mtu > 0)
{
SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
SSL_set_mtu(con, mtu);
}
else
/* want to do MTU discovery */
BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
}
else
sbio=BIO_new_socket(s,BIO_NOCLOSE);
if (nbio_test)
{
BIO *test;
test=BIO_new(BIO_f_nbio_test());
sbio=BIO_push(test,sbio);
}
if (c_debug)
{
con->debug=1;
BIO_set_callback(sbio,bio_dump_callback);
BIO_set_callback_arg(sbio,(char *)bio_c_out);
}
if (c_msg)
{
SSL_set_msg_callback(con, msg_cb);
SSL_set_msg_callback_arg(con, bio_c_out);
}
SSL_set_bio(con,sbio,sbio);
SSL_set_connect_state(con);
/* ok, lets connect */
width=SSL_get_fd(con)+1;
read_tty=1;
write_tty=0;
tty_on=0;
read_ssl=1;
write_ssl=1;
cbuf_len=0;
cbuf_off=0;
sbuf_len=0;
sbuf_off=0;
/* This is an ugly hack that does a lot of assumptions */
/* We do have to handle multi-line responses which may come
in a single packet or not. We therefore have to use
BIO_gets() which does need a buffering BIO. So during
the initial chitchat we do push a buffering BIO into the
chain that is removed again later on to not disturb the
rest of the s_client operation. */
if (starttls_proto == PROTO_SMTP)
{
int foundit=0;
BIO *fbio = BIO_new(BIO_f_buffer());
BIO_push(fbio, sbio);
/* wait for multi-line response to end from SMTP */
do
{
mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
}
while (mbuf_len>3 && mbuf[3]=='-');
/* STARTTLS command requires EHLO... */
BIO_printf(fbio,"EHLO openssl.client.net\r\n");
(void)BIO_flush(fbio);
/* wait for multi-line response to end EHLO SMTP response */
do
{
mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
if (strstr(mbuf,"STARTTLS"))
foundit=1;
}
while (mbuf_len>3 && mbuf[3]=='-');
(void)BIO_flush(fbio);
BIO_pop(fbio);
BIO_free(fbio);
if (!foundit)
BIO_printf(bio_err,
"didn't found starttls in server response,"
" try anyway...\n");
BIO_printf(sbio,"STARTTLS\r\n");
BIO_read(sbio,sbuf,BUFSIZZ);
}
else if (starttls_proto == PROTO_POP3)
{
BIO_read(sbio,mbuf,BUFSIZZ);
BIO_printf(sbio,"STLS\r\n");
BIO_read(sbio,sbuf,BUFSIZZ);
}
else if (starttls_proto == PROTO_IMAP)
{
int foundit=0;
BIO *fbio = BIO_new(BIO_f_buffer());
BIO_push(fbio, sbio);
BIO_gets(fbio,mbuf,BUFSIZZ);
/* STARTTLS command requires CAPABILITY... */
BIO_printf(fbio,". CAPABILITY\r\n");
(void)BIO_flush(fbio);
/* wait for multi-line CAPABILITY response */
do
{
mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
if (strstr(mbuf,"STARTTLS"))
foundit=1;
}
while (mbuf_len>3 && mbuf[0]!='.');
(void)BIO_flush(fbio);
BIO_pop(fbio);
BIO_free(fbio);
if (!foundit)
BIO_printf(bio_err,
"didn't found STARTTLS in server response,"
" try anyway...\n");
BIO_printf(sbio,". STARTTLS\r\n");
BIO_read(sbio,sbuf,BUFSIZZ);
}
else if (starttls_proto == PROTO_FTP)
{
BIO *fbio = BIO_new(BIO_f_buffer());
BIO_push(fbio, sbio);
/* wait for multi-line response to end from FTP */
do
{
mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
}
while (mbuf_len>3 && mbuf[3]=='-');
(void)BIO_flush(fbio);
BIO_pop(fbio);
BIO_free(fbio);
BIO_printf(sbio,"AUTH TLS\r\n");
BIO_read(sbio,sbuf,BUFSIZZ);
}
for (;;)
{
FD_ZERO(&readfds);
FD_ZERO(&writefds);
if (SSL_in_init(con) && !SSL_total_renegotiations(con))
{
in_init=1;
tty_on=0;
}
else
{
tty_on=1;
if (in_init)
{
in_init=0;
print_stuff(bio_c_out,con,full_log);
if (full_log > 0) full_log--;
if (starttls_proto)
{
BIO_printf(bio_err,"%s",mbuf);
/* We don't need to know any more */
starttls_proto = PROTO_OFF;
}
if (reconnect)
{
reconnect--;
BIO_printf(bio_c_out,"drop connection and then reconnect\n");
SSL_shutdown(con);
SSL_set_connect_state(con);
SHUTDOWN(SSL_get_fd(con));
goto re_start;
}
}
}
ssl_pending = read_ssl && SSL_pending(con);
if (!ssl_pending)
{
#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
if (tty_on)
{
if (read_tty) FD_SET(fileno(stdin),&readfds);
if (write_tty) FD_SET(fileno(stdout),&writefds);
}
if (read_ssl)
FD_SET(SSL_get_fd(con),&readfds);
if (write_ssl)
FD_SET(SSL_get_fd(con),&writefds);
#else
if(!tty_on || !write_tty) {
if (read_ssl)
FD_SET(SSL_get_fd(con),&readfds);
if (write_ssl)
FD_SET(SSL_get_fd(con),&writefds);
}
#endif
/* printf("mode tty(%d %d%d) ssl(%d%d)\n",
tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
/* Note: under VMS with SOCKETSHR the second parameter
* is currently of type (int *) whereas under other
* systems it is (void *) if you don't have a cast it
* will choke the compiler: if you do have a cast then
* you can either go for (int *) or (void *).
*/
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
/* Under Windows/DOS we make the assumption that we can
* always write to the tty: therefore if we need to
* write to the tty we just fall through. Otherwise
* we timeout the select every second and see if there
* are any keypresses. Note: this is a hack, in a proper
* Windows application we wouldn't do this.
*/
i=0;
if(!write_tty) {
if(read_tty) {
tv.tv_sec = 1;
tv.tv_usec = 0;
i=select(width,(void *)&readfds,(void *)&writefds,
NULL,&tv);
#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
if(!i && (!_kbhit() || !read_tty) ) continue;
#else
if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
#endif
} else i=select(width,(void *)&readfds,(void *)&writefds,
NULL,NULL);
}
#elif defined(OPENSSL_SYS_NETWARE)
if(!write_tty) {
if(read_tty) {
tv.tv_sec = 1;
tv.tv_usec = 0;
i=select(width,(void *)&readfds,(void *)&writefds,
NULL,&tv);
} else i=select(width,(void *)&readfds,(void *)&writefds,
NULL,NULL);
}
#else
i=select(width,(void *)&readfds,(void *)&writefds,
NULL,NULL);
#endif
if ( i < 0)
{
BIO_printf(bio_err,"bad select %d\n",
get_last_socket_error());
goto shut;
/* goto end; */
}
}
if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
{
k=SSL_write(con,&(cbuf[cbuf_off]),
(unsigned int)cbuf_len);
switch (SSL_get_error(con,k))
{
case SSL_ERROR_NONE:
cbuf_off+=k;
cbuf_len-=k;
if (k <= 0) goto end;
/* we have done a write(con,NULL,0); */
if (cbuf_len <= 0)
{
read_tty=1;
write_ssl=0;
}
else /* if (cbuf_len > 0) */
{
read_tty=0;
write_ssl=1;
}
break;
case SSL_ERROR_WANT_WRITE:
BIO_printf(bio_c_out,"write W BLOCK\n");
write_ssl=1;
read_tty=0;
break;
case SSL_ERROR_WANT_READ:
BIO_printf(bio_c_out,"write R BLOCK\n");
write_tty=0;
read_ssl=1;
write_ssl=0;
break;
case SSL_ERROR_WANT_X509_LOOKUP:
BIO_printf(bio_c_out,"write X BLOCK\n");
break;
case SSL_ERROR_ZERO_RETURN:
if (cbuf_len != 0)
{
BIO_printf(bio_c_out,"shutdown\n");
goto shut;
}
else
{
read_tty=1;
write_ssl=0;
break;
}
case SSL_ERROR_SYSCALL:
if ((k != 0) || (cbuf_len != 0))
{
BIO_printf(bio_err,"write:errno=%d\n",
get_last_socket_error());
goto shut;
}
else
{
read_tty=1;
write_ssl=0;
}
break;
case SSL_ERROR_SSL:
ERR_print_errors(bio_err);
goto shut;
}
}
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
/* Assume Windows/DOS can always write */
else if (!ssl_pending && write_tty)
#else
else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
#endif
{
#ifdef CHARSET_EBCDIC
ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
#endif
i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
if (i <= 0)
{
BIO_printf(bio_c_out,"DONE\n");
goto shut;
/* goto end; */
}
sbuf_len-=i;;
sbuf_off+=i;
if (sbuf_len <= 0)
{
read_ssl=1;
write_tty=0;
}
}
else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
{
#ifdef RENEG
{ static int iiii; if (++iiii == 52) {
SSL_renegotiate(con);
iiii=0;
}
}
#endif
#if 1
k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
#else
/* Demo for pending and peek :-) */
k=SSL_read(con,sbuf,16);
{ char zbuf[10240];
printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
}
#endif
switch (SSL_get_error(con,k))
{
case SSL_ERROR_NONE:
if (k <= 0)
goto end;
sbuf_off=0;
sbuf_len=k;
read_ssl=0;
write_tty=1;
break;
case SSL_ERROR_WANT_WRITE:
BIO_printf(bio_c_out,"read W BLOCK\n");
write_ssl=1;
read_tty=0;
break;
case SSL_ERROR_WANT_READ:
BIO_printf(bio_c_out,"read R BLOCK\n");
write_tty=0;
read_ssl=1;
if ((read_tty == 0) && (write_ssl == 0))
write_ssl=1;
break;
case SSL_ERROR_WANT_X509_LOOKUP:
BIO_printf(bio_c_out,"read X BLOCK\n");
break;
case SSL_ERROR_SYSCALL:
BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
goto shut;
case SSL_ERROR_ZERO_RETURN:
BIO_printf(bio_c_out,"closed\n");
goto shut;
case SSL_ERROR_SSL:
ERR_print_errors(bio_err);
goto shut;
/* break; */
}
}
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
else if (_kbhit())
#else
else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
#endif
#elif defined (OPENSSL_SYS_NETWARE)
else if (_kbhit())
#else
else if (FD_ISSET(fileno(stdin),&readfds))
#endif
{
if (crlf)
{
int j, lf_num;
i=read(fileno(stdin),cbuf,BUFSIZZ/2);
lf_num = 0;
/* both loops are skipped when i <= 0 */
for (j = 0; j < i; j++)
if (cbuf[j] == '\n')
lf_num++;
for (j = i-1; j >= 0; j--)
{
cbuf[j+lf_num] = cbuf[j];
if (cbuf[j] == '\n')
{
lf_num--;
i++;
cbuf[j+lf_num] = '\r';
}
}
assert(lf_num == 0);
}
else
i=read(fileno(stdin),cbuf,BUFSIZZ);
if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
{
BIO_printf(bio_err,"DONE\n");
goto shut;
}
if ((!c_ign_eof) && (cbuf[0] == 'R'))
{
BIO_printf(bio_err,"RENEGOTIATING\n");
SSL_renegotiate(con);
cbuf_len=0;
}
else
{
cbuf_len=i;
cbuf_off=0;
#ifdef CHARSET_EBCDIC
ebcdic2ascii(cbuf, cbuf, i);
#endif
}
write_ssl=1;
read_tty=0;
}
}
shut:
SSL_shutdown(con);
SHUTDOWN(SSL_get_fd(con));
ret=0;
end:
if(prexit) print_stuff(bio_c_out,con,1);
if (con != NULL) SSL_free(con);
if (con2 != NULL) SSL_free(con2);
if (ctx != NULL) SSL_CTX_free(ctx);
if (cert)
X509_free(cert);
if (key)
EVP_PKEY_free(key);
if (pass)
OPENSSL_free(pass);
if (cbuf != NULL) {
OPENSSL_cleanse(cbuf,BUFSIZZ);
OPENSSL_free(cbuf);
}
if (sbuf != NULL) {
OPENSSL_cleanse(sbuf,BUFSIZZ);
OPENSSL_free(sbuf);
}
if (mbuf != NULL) {
OPENSSL_cleanse(mbuf,BUFSIZZ);
OPENSSL_free(mbuf);
}
if (bio_c_out != NULL)
{
BIO_free(bio_c_out);
bio_c_out=NULL;
}
apps_shutdown();
OPENSSL_EXIT(ret);
}
static int _tls_session_init_client(tls_session_t *s, int sockfd,
const tls_init_config_t *cfg)
{
int ret;
SSL_METHOD *method;
#if defined(CYASSL_DTLS)
method = DTLSv1_client_method();
#elif !defined(NO_TLS)
method = SSLv23_client_method();
#else
method = SSLv3_client_method();
#endif
s->ctx = SSL_CTX_new(method);
#ifndef NO_PSK
SSL_CTX_set_psk_client_callback(s->ctx, my_psk_client_cb);
#endif
#if defined(CYASSL_SNIFFER) && !defined(HAVE_NTRU) && !defined(HAVE_ECC)
/* don't use EDH, can't sniff tmp keys */
SSL_CTX_set_cipher_list(s->ctx, "AES256-SHA");
#endif
if (cfg->flags & TLS_CHECK_SERVER_CERT) {
ASSERT(cfg->tls.client.ca_cert_size != 0);
/* Load server certificates from buffer */
tls_d("Loading CA certificate file. Size: %d",
cfg->tls.client.ca_cert_size);
ret = CyaSSL_CTX_load_verify_buffer(s->ctx,
cfg->tls.client.ca_cert,
cfg->tls.client.
ca_cert_size,
SSL_FILETYPE_PEM);
if (ret != SSL_SUCCESS) {
tls_e("Unable to load CA certificate");
SSL_CTX_free(s->ctx);
return -WM_FAIL;
}
} else {
tls_d("Disabling certificate check");
SSL_CTX_set_verify(s->ctx, SSL_VERIFY_NONE, 0);
}
if (cfg->flags & TLS_USE_CLIENT_CERT) {
/* The server wants to verify our certificates */
ASSERT(cfg->tls.client.client_cert_size != 0);
ASSERT(cfg->tls.client.client_key_size != 0);
/* Load client certificates and client private keys from
buffer */
tls_d("Loading client certificate buffer. Size: %d",
cfg->tls.client.client_cert_size);
ret = CyaSSL_CTX_use_certificate_buffer(s->ctx,
cfg->tls.client.
client_cert,
cfg->tls.client.
client_cert_size,
SSL_FILETYPE_PEM);
if (ret != SSL_SUCCESS) {
tls_e("Unable to load client certificate");
SSL_CTX_free(s->ctx);
return -WM_FAIL;
}
tls_d("Loading client private key buffer. Size: %d",
cfg->tls.client.client_key_size);
ret = CyaSSL_CTX_use_PrivateKey_buffer(s->ctx,
cfg->tls.client.
client_key,
cfg->tls.client.
client_key_size,
SSL_FILETYPE_PEM);
if (ret != SSL_SUCCESS) {
tls_e("Unable to load client key");
SSL_CTX_free(s->ctx);
return -WM_FAIL;
}
}
s->ssl = SSL_new(s->ctx);
SSL_set_fd(s->ssl, sockfd);
#ifdef CONFIG_WPA2_ENTP
if (cfg->flags & TLS_WPA2_ENTP) {
CyaSSL_SetIOSend(s->ctx, SSLSend);
CyaSSL_SetIORecv(s->ctx, SSLReceive);
}
#endif
#ifdef NON_BLOCKING
tcp_set_nonblocking(&sockfd);
NonBlockingSSL_Connect(s->ssl);
#else
#ifndef CYASSL_CALLBACKS
tls_d("Starting SSL connect");
/* see note at top of README */
if (SSL_connect(s->ssl) != SSL_SUCCESS) {
#ifdef CONFIG_ENABLE_ERROR_LOGS
int err = SSL_get_error(s->ssl, 0);
char buffer[80];
tls_e("err = %d, %s", err, ERR_error_string(err, buffer));
/* if you're getting an error here */
tls_e("SSL_connect failed");
#endif /* CONFIG_ENABLE_ERROR_LOGS */
SSL_free(s->ssl);
SSL_CTX_free(s->ctx);
return -WM_FAIL;
}
#else
timeout.tv_sec = 2;
timeout.tv_usec = 0;
NonBlockingSSL_Connect(s->ssl); /* will keep retrying on timeout */
#endif
#endif
showPeer(s->ssl);
s->session_setup_done = true;
tls_d("SSL Connect success");
#ifdef CONFIG_WPA2_ENTP
if (cfg->flags & TLS_WPA2_ENTP)
return tls_session_success(s);
#endif
return WM_SUCCESS;
}
