}
else
{
-#ifndef OPENSSL_NO_TLSEXT
- /* The server hello indicated that
- * an audit proof would follow. */
- if (s->s3->tlsext_authz_server_promised)
- s->state=SSL3_ST_CR_SUPPLEMENTAL_DATA_A;
- else
-#endif
s->state=SSL3_ST_CR_CERT_A;
}
s->init_num=0;
#ifndef OPENSSL_NO_TLSEXT
ret=ssl3_check_finished(s);
if (ret <= 0) goto end;
+ if (ret == 3)
+ {
+ s->state=SSL3_ST_CR_SUPPLEMENTAL_DATA_A;
+ s->init_num=0;
+ break;
+ }
if (ret == 2)
{
s->hit = 1;
}
}
#endif
+#ifndef OPENSSL_NO_TLSEXT
+ s->state=SSL3_ST_CW_SUPPLEMENTAL_DATA_A;
+#else
if (s->s3->tmp.cert_req)
s->state=SSL3_ST_CW_CERT_A;
else
s->state=SSL3_ST_CW_KEY_EXCH_A;
+#endif
s->init_num=0;
break;
break;
#endif
+#ifndef OPENSSL_NO_TLSEXT
+ case SSL3_ST_CW_SUPPLEMENTAL_DATA_A:
+ case SSL3_ST_CW_SUPPLEMENTAL_DATA_B:
+ ret = tls1_send_client_supplemental_data(s, &skip);
+ if (ret <= 0) goto end;
+ if (s->s3->tmp.cert_req)
+ s->state=SSL3_ST_CW_CERT_A;
+ else
+ s->state=SSL3_ST_CW_KEY_EXCH_A;
+ s->init_num=0;
+ break;
+#endif
+
case SSL3_ST_CW_FINISHED_A:
case SSL3_ST_CW_FINISHED_B:
ret=ssl3_send_finished(s,
unsigned char *buf;
unsigned char *p,*d;
int i;
- unsigned long Time,l;
+ unsigned long l;
#ifndef OPENSSL_NO_COMP
int j;
SSL_COMP *comp;
i = 1;
if (i)
- {
- Time=(unsigned long)time(NULL); /* Time */
- l2n(Time,p);
- RAND_pseudo_bytes(p,sizeof(s->s3->client_random)-4);
-
- }
+ ssl_fill_hello_random(s, 0, p,
+ sizeof(s->s3->client_random));
/* Do the message type and length last */
d=p= ssl_handshake_start(s);
/* Hello verify request and/or server hello version may not
* match so set first packet if we're negotiating version.
*/
- if (s->method->version == DTLS_ANY_VERSION)
+ if (SSL_IS_DTLS(s))
s->first_packet = 1;
n=s->method->ssl_get_message(s,
SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_UNKNOWN_CIPHER_RETURNED);
goto f_err;
}
+ /* Set version disabled mask now we know version */
+ if (!SSL_USE_TLS1_2_CIPHERS(s))
+ ct->mask_ssl = SSL_TLSV1_2;
+ else
+ ct->mask_ssl = 0;
/* If it is a disabled cipher we didn't send it in client hello,
* so return an error.
*/
s->session->verify_result = s->verify_result;
x=NULL;
-#ifndef OPENSSL_NO_TLSEXT
- /* Check the audit proof. */
- if (s->ctx->tlsext_authz_server_audit_proof_cb)
- {
- ret = s->ctx->tlsext_authz_server_audit_proof_cb(s,
- s->ctx->tlsext_authz_server_audit_proof_cb_arg);
- if (ret <= 0)
- {
- al = SSL_AD_BAD_CERTIFICATE;
- SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE,SSL_R_INVALID_AUDIT_PROOF);
- goto f_err;
- }
- }
-
-#endif
ret=1;
if (0)
{
;
#endif
#ifndef OPENSSL_NO_DH
- else if (alg_k & SSL_kEDH)
+ else if (alg_k & SSL_kDHE)
{
if ((dh=DH_new()) == NULL)
{
#endif /* !OPENSSL_NO_DH */
#ifndef OPENSSL_NO_ECDH
- else if (alg_k & SSL_kEECDH)
+ else if (alg_k & SSL_kECDHE)
{
EC_GROUP *ngroup;
const EC_GROUP *group;
* and the ECParameters in this case is just three bytes.
*/
param_len=3;
- /* Check curve is one of our prefrences, if not server has
+ /* Check curve is one of our preferences, if not server has
* sent an invalid curve.
*/
if (!tls1_check_curve(s, p, param_len))
}
#endif
#ifndef OPENSSL_NO_DH
- else if (alg_k & (SSL_kEDH|SSL_kDHr|SSL_kDHd))
+ else if (alg_k & (SSL_kDHE|SSL_kDHr|SSL_kDHd))
{
DH *dh_srvr,*dh_clnt;
SESS_CERT *scert = s->session->sess_cert;
#endif
#ifndef OPENSSL_NO_ECDH
- else if (alg_k & (SSL_kEECDH|SSL_kECDHr|SSL_kECDHe))
+ else if (alg_k & (SSL_kECDHE|SSL_kECDHr|SSL_kECDHe))
{
const EC_GROUP *srvr_group = NULL;
EC_KEY *tkey;
if (s->state == SSL3_ST_CW_CERT_A)
{
/* Let cert callback update client certificates if required */
- if (s->cert->cert_cb
- && s->cert->cert_cb(s, s->cert->cert_cb_arg) <= 0)
+ if (s->cert->cert_cb)
{
- ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_INTERNAL_ERROR);
- return 0;
+ i = s->cert->cert_cb(s, s->cert->cert_cb_arg);
+ if (i < 0)
+ {
+ s->rwstate=SSL_X509_LOOKUP;
+ return -1;
+ }
+ if (i == 0)
+ {
+ ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_INTERNAL_ERROR);
+ return 0;
+ }
+ s->rwstate=SSL_NOTHING;
}
if (ssl3_check_client_certificate(s))
s->state=SSL3_ST_CW_CERT_C;
}
#endif
#ifndef OPENSSL_NO_DH
- if ((alg_k & SSL_kEDH) &&
+ if ((alg_k & SSL_kDHE) &&
!(has_bits(i,EVP_PK_DH|EVP_PKT_EXCH) || (dh != NULL)))
{
SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_DH_KEY);
else
#endif
#ifndef OPENSSL_NO_DH
- if (alg_k & (SSL_kEDH|SSL_kDHr|SSL_kDHd))
+ if (alg_k & (SSL_kDHE|SSL_kDHr|SSL_kDHd))
{
if (dh == NULL
|| DH_size(dh)*8 > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher))
{
int ok;
long n;
- /* If we have no ticket it cannot be a resumed session. */
- if (!s->session->tlsext_tick)
- return 1;
- /* this function is called when we really expect a Certificate
- * message, so permit appropriate message length */
+
+ /* Read the message to see if it is supplemental data,
+ * regardless if there is a session ticket this function is
+ * called when we really expect a Certificate message, so
+ * permit appropriate message length */
n=s->method->ssl_get_message(s,
SSL3_ST_CR_CERT_A,
SSL3_ST_CR_CERT_B,
&ok);
if (!ok) return((int)n);
s->s3->tmp.reuse_message = 1;
+
+ if (s->s3->tmp.message_type == SSL3_MT_SUPPLEMENTAL_DATA)
+ return 3;
+ /* If we have no ticket it cannot be a resumed session. */
+ if (!s->session->tlsext_tick)
+ return 1;
if ((s->s3->tmp.message_type == SSL3_MT_FINISHED)
|| (s->s3->tmp.message_type == SSL3_MT_NEWSESSION_TICKET))
return 2;
}
#ifndef OPENSSL_NO_TLSEXT
+int tls1_send_client_supplemental_data(SSL *s, int *skip)
+ {
+ if (s->ctx->cli_supp_data_records_count)
+ {
+ unsigned char *p = NULL;
+ unsigned char *size_loc = NULL;
+ cli_supp_data_record *record = NULL;
+ size_t length = 0;
+ size_t i = 0;
+
+ for (i = 0; i < s->ctx->cli_supp_data_records_count; i++)
+ {
+ const unsigned char *out = NULL;
+ unsigned short outlen = 0;
+ int cb_retval = 0;
+ record = &s->ctx->cli_supp_data_records[i];
+
+ /* NULL callback or -1 omits supp data entry*/
+ if (!record->fn2)
+ continue;
+ cb_retval = record->fn2(s, record->supp_data_type,
+ &out, &outlen,
+ record->arg);
+ if (cb_retval == -1)
+ continue; /* skip this supp data entry */
+ if (cb_retval == 0)
+ {
+ SSLerr(SSL_F_TLS1_SEND_CLIENT_SUPPLEMENTAL_DATA,ERR_R_BUF_LIB);
+ return 0;
+ }
+ if (outlen == 0 || TLSEXT_MAXLEN_supplemental_data < outlen + 4 + length)
+ {
+ SSLerr(SSL_F_TLS1_SEND_CLIENT_SUPPLEMENTAL_DATA,ERR_R_BUF_LIB);
+ return 0;
+ }
+ /* if first entry, write handshake message type */
+ if (length == 0)
+ {
+ if (!BUF_MEM_grow_clean(s->init_buf, 4))
+ {
+ SSLerr(SSL_F_TLS1_SEND_CLIENT_SUPPLEMENTAL_DATA,ERR_R_BUF_LIB);
+ return 0;
+ }
+ p = (unsigned char *)s->init_buf->data;
+ *(p++) = SSL3_MT_SUPPLEMENTAL_DATA;
+ /* update message length when all
+ * callbacks complete */
+ size_loc = p;
+ /* skip over handshake length field (3
+ * bytes) and supp_data length field
+ * (3 bytes) */
+ p += 3 + 3;
+ length += 1 +3 +3;
+ }
+ if (!BUF_MEM_grow(s->init_buf, outlen + 4))
+ {
+ SSLerr(SSL_F_TLS1_SEND_CLIENT_SUPPLEMENTAL_DATA,ERR_R_BUF_LIB);
+ return 0;
+ }
+ s2n(record->supp_data_type, p);
+ s2n(outlen, p);
+ memcpy(p, out, outlen);
+ length += (outlen + 4);
+ p += outlen;
+ }
+ if (length > 0)
+ {
+ /* write handshake length */
+ l2n3(length - 4, size_loc);
+ /* supp_data length */
+ l2n3(length - 7, size_loc);
+ s->state = SSL3_ST_CW_SUPPLEMENTAL_DATA_B;
+ s->init_num = length;
+ s->init_off = 0;
+ return ssl3_do_write(s, SSL3_RT_HANDSHAKE);
+ }
+ }
+
+ /* no supp data message sent */
+ *skip = 1;
+ s->init_num = 0;
+ s->init_off = 0;
+ return 1;
+ }
+
int tls1_get_server_supplemental_data(SSL *s)
{
- int al;
+ int al = 0;
int ok;
- unsigned long supp_data_len, authz_data_len;
long n;
- unsigned short supp_data_type, authz_data_type, proof_len;
- const unsigned char *p;
- unsigned char *new_proof;
+ const unsigned char *p, *d;
+ unsigned short supp_data_entry_type = 0;
+ unsigned long supp_data_entry_len = 0;
+ unsigned long supp_data_len = 0;
+ size_t i;
+ int cb_retval = 0;
n=s->method->ssl_get_message(s,
SSL3_ST_CR_SUPPLEMENTAL_DATA_A,
if (!ok) return((int)n);
p = (unsigned char *)s->init_msg;
-
+ d = p;
/* The message cannot be empty */
if (n < 3)
{
SSLerr(SSL_F_TLS1_GET_SERVER_SUPPLEMENTAL_DATA,SSL_R_LENGTH_MISMATCH);
goto f_err;
}
- /* Length of supplemental data */
- n2l3(p,supp_data_len);
- n -= 3;
- /* We must have at least one supplemental data entry
- * with type (1 byte) and length (2 bytes). */
- if (supp_data_len != (unsigned long) n || n < 4)
- {
- al = SSL_AD_DECODE_ERROR;
- SSLerr(SSL_F_TLS1_GET_SERVER_SUPPLEMENTAL_DATA,SSL_R_LENGTH_MISMATCH);
- goto f_err;
- }
- /* Supplemental data type: must be authz_data */
- n2s(p,supp_data_type);
- n -= 2;
- if (supp_data_type != TLSEXT_SUPPLEMENTALDATATYPE_authz_data)
- {
- al = SSL_AD_UNEXPECTED_MESSAGE;
- SSLerr(SSL_F_TLS1_GET_SERVER_SUPPLEMENTAL_DATA,SSL_R_UNKNOWN_SUPPLEMENTAL_DATA_TYPE);
- goto f_err;
- }
- /* Authz data length */
- n2s(p, authz_data_len);
- n -= 2;
- if (authz_data_len != (unsigned long) n || n < 1)
- {
- al = SSL_AD_DECODE_ERROR;
- SSLerr(SSL_F_TLS1_GET_SERVER_SUPPLEMENTAL_DATA,SSL_R_LENGTH_MISMATCH);
- goto f_err;
- }
- /* Authz data type: must be audit_proof */
- authz_data_type = *(p++);
- n -= 1;
- if (authz_data_type != TLSEXT_AUTHZDATAFORMAT_audit_proof)
- {
- al=SSL_AD_UNEXPECTED_MESSAGE;
- SSLerr(SSL_F_TLS1_GET_SERVER_SUPPLEMENTAL_DATA,SSL_R_UNKNOWN_AUTHZ_DATA_TYPE);
- goto f_err;
- }
- /* We have a proof: read its length */
- if (n < 2)
- {
- al = SSL_AD_DECODE_ERROR;
- SSLerr(SSL_F_TLS1_GET_SERVER_SUPPLEMENTAL_DATA,SSL_R_LENGTH_MISMATCH);
- goto f_err;
- }
- n2s(p, proof_len);
- n -= 2;
- if (proof_len != (unsigned long) n)
+ n2l3(p, supp_data_len);
+ while (p < d+supp_data_len)
{
- al = SSL_AD_DECODE_ERROR;
- SSLerr(SSL_F_TLS1_GET_SERVER_SUPPLEMENTAL_DATA,SSL_R_LENGTH_MISMATCH);
- goto f_err;
- }
- /* Store the proof */
- new_proof = OPENSSL_realloc(s->session->audit_proof,
- proof_len);
- if (new_proof == NULL)
- {
- SSLerr(SSL_F_TLS1_GET_SERVER_SUPPLEMENTAL_DATA,ERR_R_MALLOC_FAILURE);
- return 0;
+ n2s(p, supp_data_entry_type);
+ n2s(p, supp_data_entry_len);
+ /* if there is a callback for this supp data type, send it */
+ for (i=0; i < s->ctx->cli_supp_data_records_count; i++)
+ {
+ if (s->ctx->cli_supp_data_records[i].supp_data_type == supp_data_entry_type && s->ctx->cli_supp_data_records[i].fn1)
+ {
+ cb_retval = s->ctx->cli_supp_data_records[i].fn1(s, supp_data_entry_type, p, supp_data_entry_len, &al, s->ctx->cli_supp_data_records[i].arg);
+ if (cb_retval == 0)
+ {
+ SSLerr(SSL_F_TLS1_GET_SERVER_SUPPLEMENTAL_DATA, ERR_R_SSL_LIB);
+ goto f_err;
+ }
+ }
+ }
+ p += supp_data_entry_len;
}
- s->session->audit_proof_length = proof_len;
- s->session->audit_proof = new_proof;
- memcpy(s->session->audit_proof, p, proof_len);
-
- /* Got the proof, but can't verify it yet. */
return 1;
f_err:
ssl3_send_alert(s,SSL3_AL_FATAL,al);
projects / openssl.git / blobdiff