case SSL3_ST_SW_FLUSH:
/* number of bytes to be flushed */
- num1=BIO_ctrl(s->wbio,BIO_CTRL_INFO,0,NULL);
+ num1=BIO_ctrl(s->wbio,BIO_CTRL_WPENDING,0,NULL);
if (num1 > 0)
{
s->rwstate=SSL_WRITING;
* 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=SSL3_ST_SR_FINISHED_A;
s->init_num = 0;
goto f_err;
}
+ /* If we require cookies and this ClientHello doesn't
+ * contain one, just return since we do not want to
+ * allocate any memory yet. So check cookie length...
+ */
+ if (SSL_get_options(s) & SSL_OP_COOKIE_EXCHANGE)
+ {
+ unsigned int session_length, cookie_length;
+
+ session_length = *(p + SSL3_RANDOM_SIZE);
+ cookie_length = *(p + SSL3_RANDOM_SIZE + session_length + 1);
+
+ if (cookie_len == 0)
+ return 1;
+ }
+
/* load the client random */
memcpy(s->s3->client_random,p,SSL3_RANDOM_SIZE);
p+=SSL3_RANDOM_SIZE;
p+=j;
- if (s->version == DTLS1_VERSION)
+ if (s->version == DTLS1_VERSION || s->version == DTLS1_BAD_VER)
{
/* cookie stuff */
cookie_len = *(p++);
- if ( (SSL_get_options(s) & SSL_OP_COOKIE_EXCHANGE) &&
- s->d1->send_cookie == 0)
- {
- /* HelloVerifyMessage has already been sent */
- if ( cookie_len != s->d1->cookie_len)
- {
- al = SSL_AD_HANDSHAKE_FAILURE;
- SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_COOKIE_MISMATCH);
- goto f_err;
- }
- }
-
/*
* The ClientHello may contain a cookie even if the
* HelloVerify message has not been sent--make sure that it
}
/* verify the cookie if appropriate option is set. */
- if ( (SSL_get_options(s) & SSL_OP_COOKIE_EXCHANGE) &&
+ if ((SSL_get_options(s) & SSL_OP_COOKIE_EXCHANGE) &&
cookie_len > 0)
{
memcpy(s->d1->rcvd_cookie, p, cookie_len);
SSL_R_COOKIE_MISMATCH);
goto f_err;
}
+
+ ret = 2;
}
p += cookie_len;
* s->tmp.new_cipher - the new cipher to use.
*/
- ret=1;
+ if (ret < 0) ret=1;
if (0)
{
f_err:
}
/* TLS and [incidentally] DTLS{0xFEFF} */
- if (s->version > SSL3_VERSION)
+ if (s->version > SSL3_VERSION && s->version != DTLS1_BAD_VER)
{
n2s(p,i);
if (n != i+2)
krb5_data enc_pms;
KSSL_CTX *kssl_ctx = s->kssl_ctx;
EVP_CIPHER_CTX ciph_ctx;
- EVP_CIPHER *enc = NULL;
+ const EVP_CIPHER *enc = NULL;
unsigned char iv[EVP_MAX_IV_LENGTH];
unsigned char pms[SSL_MAX_MASTER_KEY_LENGTH
+ EVP_MAX_BLOCK_LENGTH];
n2s(p,i);
enc_ticket.length = i;
- if (n < enc_ticket.length + 6)
+ if (n < (long)(enc_ticket.length + 6))
{
SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,
SSL_R_DATA_LENGTH_TOO_LONG);
n2s(p,i);
authenticator.length = i;
- if (n < enc_ticket.length + authenticator.length + 6)
+ if (n < (long)(enc_ticket.length + authenticator.length + 6))
{
SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,
SSL_R_DATA_LENGTH_TOO_LONG);
EVP_PKEY_free(clnt_pub_pkey);
EC_POINT_free(clnt_ecpoint);
- if (srvr_ecdh != NULL)
- EC_KEY_free(srvr_ecdh);
+ EC_KEY_free(srvr_ecdh);
BN_CTX_free(bn_ctx);
+ EC_KEY_free(s->s3->tmp.ecdh);
+ s->s3->tmp.ecdh = NULL;
/* Compute the master secret */
s->session->master_key_length = s->method->ssl3_enc-> \
else
#endif
if (alg_k & SSL_kGOST)
- {
+ {
+ int ret = 0;
EVP_PKEY_CTX *pkey_ctx;
- unsigned char premaster_secret[32];
- size_t outlen;
+ EVP_PKEY *client_pub_pkey = NULL;
+ unsigned char premaster_secret[32], *start;
+ size_t outlen=32, inlen;
- /* Get our certificate privatec key*/
+ /* Get our certificate private key*/
pkey_ctx = EVP_PKEY_CTX_new(s->cert->key->privatekey,NULL);
EVP_PKEY_decrypt_init(pkey_ctx);
+ /* If client certificate is present and is of the same type, maybe
+ * use it for key exchange. Don't mind errors from
+ * EVP_PKEY_derive_set_peer, because it is completely valid to use
+ * a client certificate for authorization only. */
+ client_pub_pkey = X509_get_pubkey(s->session->peer);
+ if (client_pub_pkey)
+ {
+ if (EVP_PKEY_derive_set_peer(pkey_ctx, client_pub_pkey) <= 0)
+ ERR_clear_error();
+ }
/* Decrypt session key */
- if ((*p!=( V_ASN1_SEQUENCE| V_ASN1_CONSTRUCTED)) || p[1]!=0x81 )
+ if ((*p!=( V_ASN1_SEQUENCE| V_ASN1_CONSTRUCTED)))
{
SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,SSL_R_DECRYPTION_FAILED);
- goto err;
- }
- if (EVP_PKEY_decrypt(pkey_ctx,premaster_secret,&outlen,p+3,p[2]) <0)
+ goto gerr;
+ }
+ if (p[1] == 0x81)
+ {
+ start = p+3;
+ inlen = p[2];
+ }
+ else if (p[1] < 0x80)
+ {
+ start = p+2;
+ inlen = p[1];
+ }
+ else
+ {
+ SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,SSL_R_DECRYPTION_FAILED);
+ goto gerr;
+ }
+ if (EVP_PKEY_decrypt(pkey_ctx,premaster_secret,&outlen,start,inlen) <=0)
{
SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,SSL_R_DECRYPTION_FAILED);
- goto err;
+ goto gerr;
}
/* Generate master secret */
- EVP_PKEY_CTX_free(pkey_ctx);
s->session->master_key_length=
s->method->ssl3_enc->generate_master_secret(s,
s->session->master_key,premaster_secret,32);
-
- }
+ /* Check if pubkey from client certificate was used */
+ if (EVP_PKEY_CTX_ctrl(pkey_ctx, -1, -1, EVP_PKEY_CTRL_PEER_KEY, 2, NULL) > 0)
+ ret = 2;
+ else
+ ret = 1;
+ gerr:
+ EVP_PKEY_free(client_pub_pkey);
+ EVP_PKEY_CTX_free(pkey_ctx);
+ if (ret)
+ return ret;
+ else
+ goto err;
+ }
else
{
al=SSL_AD_HANDSHAKE_FAILURE;
else
{
i=ssl_verify_cert_chain(s,sk);
- if (!i)
+ if (i <= 0)
{
al=ssl_verify_alarm_type(s->verify_result);
SSLerr(SSL_F_SSL3_GET_CLIENT_CERTIFICATE,SSL_R_NO_CERTIFICATE_RETURNED);
projects / openssl.git / blobdiff