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#include <stdio.h>
#include "ssl_locl.h"
#include <openssl/buffer.h>
#include <openssl/rand.h>
#include <openssl/objects.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
//#define DEBUG
static const SSL_METHOD *spp_get_server_method(int ver);
static const SSL_METHOD *spp_get_server_method(int ver)
{
if (ver == SPP_VERSION)
return SPP_server_method();
return NULL;
}
IMPLEMENT_spp_meth_func(SPP_VERSION, SPP_server_method,
spp_accept,
ssl_undefined_function,
spp_get_server_method)
int spp_accept(SSL *s) {
BUF_MEM *buf;
SPP_PROXY *proxy=NULL;
unsigned long alg_k,Time=(unsigned long)time(NULL);
void (*cb)(const SSL *ssl,int type,int val)=NULL;
int ret= -1,i;
int new_state,state,skip=0;
/* Matteo -- START */
struct timeval currTime; // keep current time
struct timeval prevTime; // keep previous time (to compute time passed)
struct timeval originTime; // keep previous time (to compute time passed)
/* Matteo -- END*/
RAND_add(&Time,sizeof(Time),0);
ERR_clear_error();
clear_sys_error();
if (s->info_callback != NULL)
cb=s->info_callback;
else if (s->ctx->info_callback != NULL)
cb=s->ctx->info_callback;
/* init things to blank */
s->in_handshake++;
if (!SSL_in_init(s) || SSL_in_before(s)) SSL_clear(s);
if (s->cert == NULL) {
SSLerr(SSL_F_SSL3_ACCEPT,SSL_R_NO_CERTIFICATE_SET);
return(-1);
}
#ifndef OPENSSL_NO_HEARTBEATS
/* If we're awaiting a HeartbeatResponse, pretend we
* already got and don't await it anymore, because
* Heartbeats don't make sense during handshakes anyway.
*/
if (s->tlsext_hb_pending)
{
s->tlsext_hb_pending = 0;
s->tlsext_hb_seq++;
}
#endif
for (;;) {
state=s->state;
switch (s->state) {
case SSL_ST_RENEGOTIATE:
s->renegotiate=1;
/* s->state=SSL_ST_ACCEPT; */
case SSL_ST_BEFORE:
case SSL_ST_ACCEPT:
case SSL_ST_BEFORE|SSL_ST_ACCEPT:
case SSL_ST_OK|SSL_ST_ACCEPT:
// Initialize timers
gettimeofday(&currTime, NULL);
gettimeofday(&prevTime, NULL);
gettimeofday(&originTime, NULL);
// Log
#ifdef DEBUG
log_time("Before state\n", &currTime, &prevTime, &originTime);
#endif
s->server=1;
s->proxy = 0;
s->proxy_id = 2;
if (cb != NULL) cb(s,SSL_CB_HANDSHAKE_START,1);
if ((s->version>>8) != 6) {
SSLerr(SSL_F_SSL3_ACCEPT, ERR_R_INTERNAL_ERROR);
return -1;
}
s->type=SSL_ST_ACCEPT;
if (s->init_buf == NULL) {
if ((buf=BUF_MEM_new()) == NULL) {
ret= -1;
goto end;
}
if (!BUF_MEM_grow(buf,SSL3_RT_MAX_PLAIN_LENGTH)) {
ret= -1;
goto end;
}
s->init_buf=buf;
}
if (!ssl3_setup_buffers(s)) {
ret= -1;
goto end;
}
s->init_num=0;
s->s3->flags &= ~SSL3_FLAGS_SGC_RESTART_DONE;
if (s->state != SSL_ST_RENEGOTIATE) {
/* Ok, we now need to push on a buffering BIO so that
* the output is sent in a way that TCP likes :-)
*/
if (!ssl_init_wbio_buffer(s,1)) { ret= -1; goto end; }
ssl3_init_finished_mac(s);
s->state=SSL3_ST_SR_CLNT_HELLO_A;
s->ctx->stats.sess_accept++;
} else if (!s->s3->send_connection_binding && !(s->options & SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION)) {
/* Server attempting to renegotiate with
* client that doesn't support secure
* renegotiation.
*/
SSLerr(SSL_F_SSL3_ACCEPT, SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED);
ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_HANDSHAKE_FAILURE);
ret = -1;
goto end;
} else {
/* s->state == SSL_ST_RENEGOTIATE,
* we will just send a HelloRequest */
s->ctx->stats.sess_accept_renegotiate++;
s->state=SSL3_ST_SW_HELLO_REQ_A;
}
break;
case SSL3_ST_SW_HELLO_REQ_A:
case SSL3_ST_SW_HELLO_REQ_B:
s->shutdown=0;
#ifdef DEBUG
log_time("Sending hello request\n", &currTime, &prevTime, &originTime);
#endif
ret=ssl3_send_hello_request(s);
if (ret <= 0) goto end;
s->s3->tmp.next_state=SSL3_ST_SW_HELLO_REQ_C;
s->state=SSL3_ST_SW_FLUSH;
s->init_num=0;
ssl3_init_finished_mac(s);
break;
case SSL3_ST_SW_HELLO_REQ_C:
s->state=SSL_ST_OK;
break;
case SSL3_ST_SR_CLNT_HELLO_A:
case SSL3_ST_SR_CLNT_HELLO_B:
case SSL3_ST_SR_CLNT_HELLO_C:
s->shutdown=0;
if (s->rwstate != SSL_X509_LOOKUP) {
ret=ssl3_get_client_hello(s);
#ifdef DEBUG
log_time("Received client hello\n", &currTime, &prevTime, &originTime);
#endif
if (ret <= 0) goto end;
if (!spp_generate_slice_keys(s)) goto end;
}
/* #ifndef OPENSSL_NO_SRP
{
int al;
if ((ret = ssl_check_srp_ext_ClientHello(s,&al)) < 0) {
// callback indicates firther work to be done
s->rwstate=SSL_X509_LOOKUP;
goto end;
}
if (ret != SSL_ERROR_NONE) {
ssl3_send_alert(s,SSL3_AL_FATAL,al);
// This is not really an error but the only means to
// for a client to detect whether srp is supported.
if (al != TLS1_AD_UNKNOWN_PSK_IDENTITY)
SSLerr(SSL_F_SSL3_ACCEPT,SSL_R_CLIENTHELLO_TLSEXT);
ret = SSL_TLSEXT_ERR_ALERT_FATAL;
ret= -1;
goto end;
}
}
#endif */
s->renegotiate = 2;
s->state=SSL3_ST_SW_SRVR_HELLO_A;
s->init_num=0;
break;
case SSL3_ST_SW_SRVR_HELLO_A:
case SSL3_ST_SW_SRVR_HELLO_B:
#ifdef DEBUG
log_time("Sending server hello\n", &currTime, &prevTime, &originTime);
#endif
ret=ssl3_send_server_hello(s);
if (ret <= 0) goto end;
#ifndef OPENSSL_NO_TLSEXT
if (s->hit) {
if (s->tlsext_ticket_expected)
s->state=SSL3_ST_SW_SESSION_TICKET_A;
else
s->state=SSL3_ST_SW_CHANGE_A;
}
#else
if (s->hit)
s->state=SSL3_ST_SW_CHANGE_A;
#endif
else
s->state=SSL3_ST_SW_CERT_A;
s->init_num=0;
break;
case SSL3_ST_SW_CERT_A:
case SSL3_ST_SW_CERT_B:
/* Check if it is anon DH or anon ECDH, */
/* normal PSK or KRB5 or SRP */
if (!(s->s3->tmp.new_cipher->algorithm_auth & (SSL_aNULL|SSL_aKRB5|SSL_aSRP))
&& !(s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK)) {
#ifdef DEBUG
log_time("Sending certificate\n", &currTime, &prevTime, &originTime);
#endif
ret=ssl3_send_server_certificate(s);
if (ret <= 0) goto end;
#ifndef OPENSSL_NO_TLSEXT
if (s->tlsext_status_expected)
s->state=SSL3_ST_SW_CERT_STATUS_A;
else
s->state=SSL3_ST_SW_KEY_EXCH_A;
} else {
skip = 1;
s->state=SSL3_ST_SW_KEY_EXCH_A;
}
#else
} else
skip=1;
s->state=SSL3_ST_SW_KEY_EXCH_A;
#endif
s->init_num=0;
break;
case SSL3_ST_SW_KEY_EXCH_A:
case SSL3_ST_SW_KEY_EXCH_B:
alg_k = s->s3->tmp.new_cipher->algorithm_mkey;
/* clear this, it may get reset by
* send_server_key_exchange */
if ((s->options & SSL_OP_EPHEMERAL_RSA)
#ifndef OPENSSL_NO_KRB5
&& !(alg_k & SSL_kKRB5)
#endif /* OPENSSL_NO_KRB5 */
)
/* option SSL_OP_EPHEMERAL_RSA sends temporary RSA key
* even when forbidden by protocol specs
* (handshake may fail as clients are not required to
* be able to handle this) */
s->s3->tmp.use_rsa_tmp=1;
else
s->s3->tmp.use_rsa_tmp=0;
/* only send if a DH key exchange, fortezza or
* RSA but we have a sign only certificate
*
* PSK: may send PSK identity hints
*
* For ECC ciphersuites, we send a serverKeyExchange
* message only if the cipher suite is either
* ECDH-anon or ECDHE. In other cases, the
* server certificate contains the server's
* public key for key exchange.
*/
if (s->s3->tmp.use_rsa_tmp
/* PSK: send ServerKeyExchange if PSK identity
* hint if provided */
#ifndef OPENSSL_NO_PSK
|| ((alg_k & SSL_kPSK) && s->ctx->psk_identity_hint)
#endif
#ifndef OPENSSL_NO_SRP
/* SRP: send ServerKeyExchange */
|| (alg_k & SSL_kSRP)
#endif
|| (alg_k & (SSL_kDHr|SSL_kDHd|SSL_kEDH))
|| (alg_k & SSL_kEECDH)
|| ((alg_k & SSL_kRSA)
&& (s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL
|| (SSL_C_IS_EXPORT(s->s3->tmp.new_cipher)
&& EVP_PKEY_size(s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey)*8 > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher)
)
)
)
)
{
#ifdef DEBUG
log_time("Sending server key exchange\n", &currTime, &prevTime, &originTime);
#endif
ret=ssl3_send_server_key_exchange(s);
if (ret <= 0) goto end;
}
else
skip=1;
s->state=SSL3_ST_SW_CERT_REQ_A;
s->init_num=0;
break;
case SSL3_ST_SW_CERT_REQ_A:
case SSL3_ST_SW_CERT_REQ_B:
if (/* don't request cert unless asked for it: */
!(s->verify_mode & SSL_VERIFY_PEER) ||
/* if SSL_VERIFY_CLIENT_ONCE is set,
* don't request cert during re-negotiation: */
((s->session->peer != NULL) &&
(s->verify_mode & SSL_VERIFY_CLIENT_ONCE)) ||
/* never request cert in anonymous ciphersuites
* (see section "Certificate request" in SSL 3 drafts
* and in RFC 2246): */
((s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL) &&
/* ... except when the application insists on verification
* (against the specs, but s3_clnt.c accepts this for SSL 3) */
!(s->verify_mode & SSL_VERIFY_FAIL_IF_NO_PEER_CERT)) ||
/* never request cert in Kerberos ciphersuites */
(s->s3->tmp.new_cipher->algorithm_auth & SSL_aKRB5) ||
/* don't request certificate for SRP auth */
(s->s3->tmp.new_cipher->algorithm_auth & SSL_aSRP)
/* With normal PSK Certificates and
* Certificate Requests are omitted */
|| (s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK))
{
/* no cert request */
skip=1;
s->s3->tmp.cert_request=0;
s->state=SSL3_ST_SW_SRVR_DONE_A;
if (s->s3->handshake_buffer)
if (!ssl3_digest_cached_records(s))
return -1;
}
else
{
s->s3->tmp.cert_request=1;
#ifdef DEBUG
log_time("Sending certificate request\n", &currTime, &prevTime, &originTime);
#endif
ret=ssl3_send_certificate_request(s);
if (ret <= 0) goto end;
#ifndef NETSCAPE_HANG_BUG
s->state=SSL3_ST_SW_SRVR_DONE_A;
#else
s->state=SSL3_ST_SW_FLUSH;
s->s3->tmp.next_state=SSL3_ST_SR_CERT_A;
#endif
s->init_num=0;
}
break;
case SSL3_ST_SW_SRVR_DONE_A:
case SSL3_ST_SW_SRVR_DONE_B:
#ifdef DEBUG
log_time("Sending server done\n", &currTime, &prevTime, &originTime);
#endif
ret=ssl3_send_server_done(s);
#ifdef DEBUG
log_time("Sent server done\n", &currTime, &prevTime, &originTime);
#endif
if (ret <= 0) goto end;
s->s3->tmp.next_state=SSL3_ST_SR_CERT_A;
s->state=SSL3_ST_SW_FLUSH;
s->init_num=0;
break;
case SSL3_ST_SW_FLUSH:
/* This code originally checked to see if
* any data was pending using BIO_CTRL_INFO
* and then flushed. This caused problems
* as documented in PR#1939. The proposed
* fix doesn't completely resolve this issue
* as buggy implementations of BIO_CTRL_PENDING
* still exist. So instead we just flush
* unconditionally.
*/
s->rwstate=SSL_WRITING;
if (BIO_flush(s->wbio) <= 0) {
ret= -1;
goto end;
}
s->rwstate=SSL_NOTHING;
s->state=s->s3->tmp.next_state;
break;
case SSL3_ST_SR_CERT_A:
case SSL3_ST_SR_CERT_B:
/* Check for second client hello (MS SGC) */
#ifdef DEBUG
log_time("Checking for second client hello\n", &currTime, &prevTime, &originTime);
#endif
ret = ssl3_check_client_hello(s);
#ifdef DEBUG
log_time("Checked for second client hello\n", &currTime, &prevTime, &originTime);
#endif
if (ret <= 0)
goto end;
if (ret == 2)
s->state = SSL3_ST_SR_CLNT_HELLO_C;
else {
if (s->s3->tmp.cert_request) {
#ifdef DEBUG
log_time("Receiving required client certificate\n", &currTime, &prevTime, &originTime);
#endif
ret=ssl3_get_client_certificate(s);
if (ret <= 0) goto end;
}
proxy = spp_get_next_proxy(s, proxy, 0);
if (proxy == NULL) {
s->state=SSL3_ST_SR_KEY_EXCH_A;
} else {
s->state=SPP_ST_CR_PRXY_CERT_A;
}
s->init_num=0;
}
break;
case SPP_ST_CR_PRXY_CERT_A:
case SPP_ST_CR_PRXY_CERT_B:
#ifdef DEBUG
log_time("Waiting for proxy certificate\n", &currTime, &prevTime, &originTime);
#endif
ret=spp_get_proxy_certificate(s, proxy);
#ifdef DEBUG
log_time("Received proxy certificate\n", &currTime, &prevTime, &originTime);
#endif
if (ret <= 0) goto end;
s->state=SPP_ST_CR_PRXY_KEY_EXCH_A;
s->init_num=0;
break;
/* Receive the hello messages from the proxies now. */
case SPP_ST_CR_PRXY_KEY_EXCH_A:
case SPP_ST_CR_PRXY_KEY_EXCH_B:
ret=spp_get_proxy_key_exchange(s, proxy);
#ifdef DEBUG
log_time("Received proxy key exchange\n", &currTime, &prevTime, &originTime);
#endif
if (ret <= 0) goto end;
s->state=SPP_ST_CR_PRXY_DONE_A;
s->init_num=0;
break;
case SPP_ST_CR_PRXY_DONE_A:
case SPP_ST_CR_PRXY_DONE_B:
ret=spp_get_proxy_done(s, proxy);
#ifdef DEBUG
log_time("Received proxy done\n", &currTime, &prevTime, &originTime);
#endif
if (ret <= 0) goto end;
proxy = spp_get_next_proxy(s, proxy, 0);
if (proxy == NULL) {
s->state=SSL3_ST_SR_KEY_EXCH_A;
} else {
/* Go back and read the next proxy */
s->state=SPP_ST_CR_PRXY_CERT_A;
}
s->init_num=0;
break;
case SSL3_ST_SR_KEY_EXCH_A:
case SSL3_ST_SR_KEY_EXCH_B:
#ifdef DEBUG
log_time("Receiving client key exchange\n", &currTime, &prevTime, &originTime);
#endif
ret=ssl3_get_client_key_exchange(s);
#ifdef DEBUG
log_time("Received client key exchange\n", &currTime, &prevTime, &originTime);
#endif
if (ret <= 0)
goto end;
if (ret == 2)
{
/* For the ECDH ciphersuites when
* the client sends its ECDH pub key in
* a certificate, the CertificateVerify
* message is not sent.
* Also for GOST ciphersuites when
* the client uses its key from the certificate
* for key exchange.
*/
s->state = SPP_ST_CR_PRXY_MAT_A;
s->init_num = 0;
}
else if (TLS1_get_version(s) >= TLS1_2_VERSION)
{
s->state=SPP_ST_CR_PRXY_MAT_A;
s->init_num=0;
if (!s->session->peer)
break;
/* For TLS v1.2 freeze the handshake buffer
* at this point and digest cached records.
*/
if (!s->s3->handshake_buffer)
{
SSLerr(SSL_F_SSL3_ACCEPT,ERR_R_INTERNAL_ERROR);
return -1;
}
s->s3->flags |= TLS1_FLAGS_KEEP_HANDSHAKE;
if (!ssl3_digest_cached_records(s))
return -1;
}
else
{
int offset=0;
int dgst_num;
s->state=SPP_ST_CR_PRXY_MAT_A;
s->init_num=0;
/* We need to get hashes here so if there is
* a client cert, it can be verified
* FIXME - digest processing for CertificateVerify
* should be generalized. But it is next step
*/
if (s->s3->handshake_buffer)
if (!ssl3_digest_cached_records(s))
return -1;
for (dgst_num=0; dgst_num<SSL_MAX_DIGEST;dgst_num++)
if (s->s3->handshake_dgst[dgst_num])
{
int dgst_size;
s->method->ssl3_enc->cert_verify_mac(s,EVP_MD_CTX_type(s->s3->handshake_dgst[dgst_num]),&(s->s3->tmp.cert_verify_md[offset]));
dgst_size=EVP_MD_CTX_size(s->s3->handshake_dgst[dgst_num]);
if (dgst_size < 0)
{
ret = -1;
goto end;
}
offset+=dgst_size;
}
}
break;
/* Send the proxy key material. */
case SPP_ST_CW_PRXY_MAT_A:
case SPP_ST_CW_PRXY_MAT_B:
#ifdef DEBUG
log_time("Sending proxy key material\n", &currTime, &prevTime, &originTime);
#endif
for (i = 0; i < s->proxies_len; i++) {
ret=spp_send_proxy_key_material(s, s->proxies[i]);
if (ret <= 0) goto end;
s->state = SPP_ST_CW_PRXY_MAT_A;
s->init_num=0;
}
ret=spp_send_end_key_material_server(s);
#ifndef OPENSSL_NO_TLSEXT
if (s->tlsext_ticket_expected)
s->state=SSL3_ST_SW_SESSION_TICKET_A;
else
#endif
s->state=SSL3_ST_SW_CHANGE_A;
//s->s3->change_cipher_spec=0;
s->init_num=0;
break;
case SPP_ST_CR_PRXY_MAT_A:
case SPP_ST_CR_PRXY_MAT_B:
#ifdef DEBUG
log_time("Receiving proxy key material\n", &currTime, &prevTime, &originTime);
#endif
for (i = s->proxies_len-1; i >= 0; i--) {
ret=spp_get_proxy_key_material(s, s->proxies[i]);
if (ret <= 0) goto end;
s->state = SPP_ST_CR_PRXY_MAT_A;
s->init_num=0;
}
ret=spp_get_end_key_material_server(s);
if (ret <= 0) goto end;
#if defined(OPENSSL_NO_TLSEXT) || defined(OPENSSL_NO_NEXTPROTONEG)
s->state=SSL3_ST_SR_FINISHED_A;
#else
if (s->s3->next_proto_neg_seen)
s->state=SSL3_ST_SR_NEXT_PROTO_A;
else
s->state=SSL3_ST_SR_FINISHED_A;
#endif
s->s3->change_cipher_spec=0;
s->init_num=0;
break;
case SSL3_ST_SR_CERT_VRFY_A:
case SSL3_ST_SR_CERT_VRFY_B:
#ifdef DEBUG
log_time("Receiving cert verify\n", &currTime, &prevTime, &originTime);
#endif
s->s3->flags |= SSL3_FLAGS_CCS_OK;
/* we should decide if we expected this one */
ret=ssl3_get_cert_verify(s);
if (ret <= 0) goto end;
#if defined(OPENSSL_NO_TLSEXT) || defined(OPENSSL_NO_NEXTPROTONEG)
s->state=SSL3_ST_SR_FINISHED_A;
#else
if (s->s3->next_proto_neg_seen)
s->state=SSL3_ST_SR_NEXT_PROTO_A;
else
s->state=SSL3_ST_SR_FINISHED_A;
#endif
s->init_num=0;
break;
#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
case SSL3_ST_SR_NEXT_PROTO_A:
case SSL3_ST_SR_NEXT_PROTO_B:
#ifdef DEBUG
log_time("Receiving next proto\n", &currTime, &prevTime, &originTime);
#endif
ret=ssl3_get_next_proto(s);
if (ret <= 0) goto end;
s->init_num = 0;
s->state=SSL3_ST_SR_FINISHED_A;
break;
#endif
case SSL3_ST_SR_FINISHED_A:
case SSL3_ST_SR_FINISHED_B:
#ifdef DEBUG
log_time("Receiving client finished\n", &currTime, &prevTime, &originTime);
#endif
s->s3->flags |= SSL3_FLAGS_CCS_OK;
ret=ssl3_get_finished(s,SSL3_ST_SR_FINISHED_A,
SSL3_ST_SR_FINISHED_B);
if (ret <= 0) goto end;
if (s->hit)
s->state=SSL_ST_OK;
s->state=SPP_ST_CW_PRXY_MAT_A;
s->init_num=0;
break;
#ifndef OPENSSL_NO_TLSEXT
case SSL3_ST_SW_SESSION_TICKET_A:
case SSL3_ST_SW_SESSION_TICKET_B:
#ifdef DEBUG
log_time("Sending session ticket\n", &currTime, &prevTime, &originTime);
#endif
ret=ssl3_send_newsession_ticket(s);
if (ret <= 0) goto end;
s->state=SSL3_ST_SW_CHANGE_A;
s->init_num=0;
break;
case SSL3_ST_SW_CERT_STATUS_A:
case SSL3_ST_SW_CERT_STATUS_B:
#ifdef DEBUG
log_time("Sending cert status\n", &currTime, &prevTime, &originTime);
#endif
ret=ssl3_send_cert_status(s);
if (ret <= 0) goto end;
s->state=SSL3_ST_SW_KEY_EXCH_A;
s->init_num=0;
break;
#endif
case SSL3_ST_SW_CHANGE_A:
case SSL3_ST_SW_CHANGE_B:
s->session->cipher=s->s3->tmp.new_cipher;
if (!s->method->ssl3_enc->setup_key_block(s))
{ ret= -1; goto end; }
#ifdef DEBUG
log_time("Sending change cipher state\n", &currTime, &prevTime, &originTime);
#endif
ret=ssl3_send_change_cipher_spec(s,
SSL3_ST_SW_CHANGE_A,SSL3_ST_SW_CHANGE_B);
if (ret <= 0) goto end;
s->state=SSL3_ST_SW_FINISHED_A;
s->init_num=0;
if (!s->method->ssl3_enc->change_cipher_state(s,
SSL3_CHANGE_CIPHER_SERVER_WRITE))
{
ret= -1;
goto end;
}
break;
case SSL3_ST_SW_FINISHED_A:
case SSL3_ST_SW_FINISHED_B:
#ifdef DEBUG
log_time("Sending server finished\n", &currTime, &prevTime, &originTime);
#endif
ret=ssl3_send_finished(s,
SSL3_ST_SW_FINISHED_A,SSL3_ST_SW_FINISHED_B,
s->method->ssl3_enc->server_finished_label,
s->method->ssl3_enc->server_finished_label_len);
if (ret <= 0) goto end;
s->state=SSL3_ST_SW_FLUSH;
if (s->hit)
{
#if defined(OPENSSL_NO_TLSEXT) || defined(OPENSSL_NO_NEXTPROTONEG)
s->s3->tmp.next_state=SSL3_ST_SR_FINISHED_A;
#else
if (s->s3->next_proto_neg_seen)
{
s->s3->flags |= SSL3_FLAGS_CCS_OK;
s->s3->tmp.next_state=SSL3_ST_SR_NEXT_PROTO_A;
}
else
s->s3->tmp.next_state=SSL3_ST_SR_FINISHED_A;
#endif
}
else
s->s3->tmp.next_state=SSL_ST_OK;
s->init_num=0;
// Store the values for end-to-end integrity checking
if (spp_init_integrity_st(s) <= 0)
goto end;
/* Setup the slices now that we have the necessary state. */
ret = spp_init_slices_st(s, SSL3_CHANGE_CIPHER_SERVER_WRITE);
if (ret <= 0) goto end;
ret = spp_init_slices_st(s, SSL3_CHANGE_CIPHER_SERVER_READ);
if (ret <= 0) goto end;
break;
case SSL_ST_OK:
#ifdef DEBUG
log_time("Handshake OK\n", &currTime, &prevTime, &originTime);
#endif
/* clean a few things up */
ssl3_cleanup_key_block(s);
BUF_MEM_free(s->init_buf);
s->init_buf=NULL;
/* remove buffering on output */
ssl_free_wbio_buffer(s);
s->init_num=0;
if (s->renegotiate == 2) /* skipped if we just sent a HelloRequest */
{
s->renegotiate=0;
s->new_session=0;
ssl_update_cache(s,SSL_SESS_CACHE_SERVER);
s->ctx->stats.sess_accept_good++;
/* s->server=1; */
s->handshake_func=spp_accept;
if (cb != NULL) cb(s,SSL_CB_HANDSHAKE_DONE,1);
}
ret = 1;
goto end;
/* break; */
default:
SSLerr(SSL_F_SSL3_ACCEPT,SSL_R_UNKNOWN_STATE);
ret= -1;
goto end;
/* break; */
}
if (!s->s3->tmp.reuse_message && !skip)
{
if (s->debug)
{
if ((ret=BIO_flush(s->wbio)) <= 0)
goto end;
}
if ((cb != NULL) && (s->state != state))
{
new_state=s->state;
s->state=state;
cb(s,SSL_CB_ACCEPT_LOOP,1);
s->state=new_state;
}
}
skip=0;
}
end:
#ifdef DEBUG
log_time("Handshake end\n", &currTime, &prevTime, &originTime);
#endif
/* BIO_flush(s->wbio); */
s->in_handshake--;
if (cb != NULL)
cb(s,SSL_CB_ACCEPT_EXIT,ret);
return(ret);
}