},
};
+static int ssl_write_early_finish(SSL *s);
+
static int dane_ctx_enable(struct dane_ctx_st *dctx)
{
const EVP_MD **mdevp;
clear_ciphers(s);
s->first_packet = 0;
+ s->key_update = SSL_KEY_UPDATE_NONE;
+
/* Reset DANE verification result state */
s->dane.mdpth = -1;
s->dane.pdpth = -1;
s->mode = ctx->mode;
s->max_cert_list = ctx->max_cert_list;
s->references = 1;
+ s->max_early_data = ctx->max_early_data;
/*
* Earlier library versions used to copy the pointer to the CERT, not
s->method = ctx->method;
+ s->key_update = SSL_KEY_UPDATE_NONE;
+
if (!s->method->ssl_new(s))
goto err;
#endif
OPENSSL_free(s->ext.ocsp.resp);
OPENSSL_free(s->ext.alpn);
+ OPENSSL_free(s->ext.tls13_cookie);
+ OPENSSL_free(s->clienthello);
sk_X509_NAME_pop_free(s->client_CA, X509_NAME_free);
* data. That data may not result in any application data, or we may fail
* to parse the records for some reason.
*/
- if (SSL_pending(s))
+ if (RECORD_LAYER_processed_read_pending(&s->rlayer))
return 1;
return RECORD_LAYER_read_pending(&s->rlayer);
return -1;
}
+int ssl_read_internal(SSL *s, void *buf, size_t num, size_t *readbytes)
+{
+ if (s->handshake_func == NULL) {
+ SSLerr(SSL_F_SSL_READ_INTERNAL, SSL_R_UNINITIALIZED);
+ return -1;
+ }
+
+ if (s->shutdown & SSL_RECEIVED_SHUTDOWN) {
+ s->rwstate = SSL_NOTHING;
+ return 0;
+ }
+
+ if (s->early_data_state == SSL_EARLY_DATA_CONNECT_RETRY
+ || s->early_data_state == SSL_EARLY_DATA_ACCEPT_RETRY) {
+ SSLerr(SSL_F_SSL_READ_INTERNAL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+ return 0;
+ }
+ /*
+ * If we are a client and haven't received the ServerHello etc then we
+ * better do that
+ */
+ ossl_statem_check_finish_init(s, 0);
+
+ if ((s->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) {
+ struct ssl_async_args args;
+ int ret;
+
+ args.s = s;
+ args.buf = buf;
+ args.num = num;
+ args.type = READFUNC;
+ args.f.func_read = s->method->ssl_read;
+
+ ret = ssl_start_async_job(s, &args, ssl_io_intern);
+ *readbytes = s->asyncrw;
+ return ret;
+ } else {
+ return s->method->ssl_read(s, buf, num, readbytes);
+ }
+}
+
int SSL_read(SSL *s, void *buf, int num)
{
int ret;
return -1;
}
- ret = SSL_read_ex(s, buf, (size_t)num, &readbytes);
+ ret = ssl_read_internal(s, buf, (size_t)num, &readbytes);
/*
* The cast is safe here because ret should be <= INT_MAX because num is
}
int SSL_read_ex(SSL *s, void *buf, size_t num, size_t *readbytes)
+{
+ int ret = ssl_read_internal(s, buf, num, readbytes);
+
+ if (ret < 0)
+ ret = 0;
+ return ret;
+}
+
+int SSL_read_early_data(SSL *s, void *buf, size_t num, size_t *readbytes)
+{
+ int ret;
+
+ if (!s->server) {
+ SSLerr(SSL_F_SSL_READ_EARLY_DATA, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+ return SSL_READ_EARLY_DATA_ERROR;
+ }
+
+ switch (s->early_data_state) {
+ case SSL_EARLY_DATA_NONE:
+ if (!SSL_in_before(s)) {
+ SSLerr(SSL_F_SSL_READ_EARLY_DATA,
+ ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+ return SSL_READ_EARLY_DATA_ERROR;
+ }
+ /* fall through */
+
+ case SSL_EARLY_DATA_ACCEPT_RETRY:
+ s->early_data_state = SSL_EARLY_DATA_ACCEPTING;
+ ret = SSL_accept(s);
+ if (ret <= 0) {
+ /* NBIO or error */
+ s->early_data_state = SSL_EARLY_DATA_ACCEPT_RETRY;
+ return SSL_READ_EARLY_DATA_ERROR;
+ }
+ /* fall through */
+
+ case SSL_EARLY_DATA_READ_RETRY:
+ if (s->ext.early_data == SSL_EARLY_DATA_ACCEPTED) {
+ s->early_data_state = SSL_EARLY_DATA_READING;
+ ret = SSL_read_ex(s, buf, num, readbytes);
+ /*
+ * Record layer will call ssl_end_of_early_data_seen() if we see
+ * that alert - which updates the early_data_state to
+ * SSL_EARLY_DATA_FINISHED_READING
+ */
+ if (ret > 0 || (ret <= 0 && s->early_data_state
+ != SSL_EARLY_DATA_FINISHED_READING)) {
+ s->early_data_state = SSL_EARLY_DATA_READ_RETRY;
+ return ret > 0 ? SSL_READ_EARLY_DATA_SUCCESS
+ : SSL_READ_EARLY_DATA_ERROR;
+ }
+ } else {
+ s->early_data_state = SSL_EARLY_DATA_FINISHED_READING;
+ }
+ *readbytes = 0;
+ return SSL_READ_EARLY_DATA_FINISH;
+
+ default:
+ SSLerr(SSL_F_SSL_READ_EARLY_DATA, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+ return SSL_READ_EARLY_DATA_ERROR;
+ }
+}
+
+int ssl_end_of_early_data_seen(SSL *s)
+{
+ if (s->early_data_state == SSL_EARLY_DATA_READING
+ || s->early_data_state == SSL_EARLY_DATA_READ_RETRY) {
+ s->early_data_state = SSL_EARLY_DATA_FINISHED_READING;
+ ossl_statem_finish_early_data(s);
+ return 1;
+ }
+
+ return 0;
+}
+
+int SSL_get_early_data_status(const SSL *s)
+{
+ return s->ext.early_data;
+}
+
+static int ssl_peek_internal(SSL *s, void *buf, size_t num, size_t *readbytes)
{
if (s->handshake_func == NULL) {
- SSLerr(SSL_F_SSL_READ_EX, SSL_R_UNINITIALIZED);
+ SSLerr(SSL_F_SSL_PEEK_INTERNAL, SSL_R_UNINITIALIZED);
return -1;
}
if (s->shutdown & SSL_RECEIVED_SHUTDOWN) {
- s->rwstate = SSL_NOTHING;
- return (0);
+ return 0;
}
-
if ((s->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) {
struct ssl_async_args args;
int ret;
args.buf = buf;
args.num = num;
args.type = READFUNC;
- args.f.func_read = s->method->ssl_read;
+ args.f.func_read = s->method->ssl_peek;
ret = ssl_start_async_job(s, &args, ssl_io_intern);
*readbytes = s->asyncrw;
return ret;
} else {
- return s->method->ssl_read(s, buf, num, readbytes);
+ return s->method->ssl_peek(s, buf, num, readbytes);
}
}
return -1;
}
- ret = SSL_peek_ex(s, buf, (size_t)num, &readbytes);
+ ret = ssl_peek_internal(s, buf, (size_t)num, &readbytes);
/*
* The cast is safe here because ret should be <= INT_MAX because num is
return ret;
}
+
int SSL_peek_ex(SSL *s, void *buf, size_t num, size_t *readbytes)
+{
+ int ret = ssl_peek_internal(s, buf, num, readbytes);
+
+ if (ret < 0)
+ ret = 0;
+ return ret;
+}
+
+int ssl_write_internal(SSL *s, const void *buf, size_t num, size_t *written)
{
if (s->handshake_func == NULL) {
- SSLerr(SSL_F_SSL_PEEK_EX, SSL_R_UNINITIALIZED);
+ SSLerr(SSL_F_SSL_WRITE_INTERNAL, SSL_R_UNINITIALIZED);
return -1;
}
- if (s->shutdown & SSL_RECEIVED_SHUTDOWN) {
- return (0);
+ if (s->shutdown & SSL_SENT_SHUTDOWN) {
+ s->rwstate = SSL_NOTHING;
+ SSLerr(SSL_F_SSL_WRITE_INTERNAL, SSL_R_PROTOCOL_IS_SHUTDOWN);
+ return -1;
+ }
+
+ if (s->early_data_state == SSL_EARLY_DATA_WRITE_RETRY) {
+ /*
+ * We're still writing early data. We need to stop that so we can write
+ * normal data
+ */
+ if (!ssl_write_early_finish(s))
+ return 0;
+ } else if (s->early_data_state == SSL_EARLY_DATA_CONNECT_RETRY
+ || s->early_data_state == SSL_EARLY_DATA_ACCEPT_RETRY
+ || s->early_data_state == SSL_EARLY_DATA_READ_RETRY) {
+ SSLerr(SSL_F_SSL_WRITE_INTERNAL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+ return 0;
}
+ /* If we are a client and haven't sent the Finished we better do that */
+ ossl_statem_check_finish_init(s, 1);
+
if ((s->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) {
- struct ssl_async_args args;
int ret;
+ struct ssl_async_args args;
args.s = s;
- args.buf = buf;
+ args.buf = (void *)buf;
args.num = num;
- args.type = READFUNC;
- args.f.func_read = s->method->ssl_peek;
+ args.type = WRITEFUNC;
+ args.f.func_write = s->method->ssl_write;
ret = ssl_start_async_job(s, &args, ssl_io_intern);
- *readbytes = s->asyncrw;
+ *written = s->asyncrw;
return ret;
} else {
- return s->method->ssl_peek(s, buf, num, readbytes);
+ return s->method->ssl_write(s, buf, num, written);
}
}
return -1;
}
- ret = SSL_write_ex(s, buf, (size_t)num, &written);
+ ret = ssl_write_internal(s, buf, (size_t)num, &written);
/*
* The cast is safe here because ret should be <= INT_MAX because num is
int SSL_write_ex(SSL *s, const void *buf, size_t num, size_t *written)
{
- if (s->handshake_func == NULL) {
- SSLerr(SSL_F_SSL_WRITE_EX, SSL_R_UNINITIALIZED);
- return -1;
- }
+ int ret = ssl_write_internal(s, buf, num, written);
- if (s->shutdown & SSL_SENT_SHUTDOWN) {
- s->rwstate = SSL_NOTHING;
- SSLerr(SSL_F_SSL_WRITE_EX, SSL_R_PROTOCOL_IS_SHUTDOWN);
- return (-1);
- }
+ if (ret < 0)
+ ret = 0;
+ return ret;
+}
- if ((s->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) {
- int ret;
- struct ssl_async_args args;
+int SSL_write_early_data(SSL *s, const void *buf, size_t num, size_t *written)
+{
+ int ret;
- args.s = s;
- args.buf = (void *)buf;
- args.num = num;
- args.type = WRITEFUNC;
- args.f.func_write = s->method->ssl_write;
+ switch (s->early_data_state) {
+ case SSL_EARLY_DATA_NONE:
+ if (s->server
+ || !SSL_in_before(s)
+ || s->session == NULL
+ || s->session->ext.max_early_data == 0) {
+ SSLerr(SSL_F_SSL_WRITE_EARLY_DATA,
+ ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+ return 0;
+ }
+ /* fall through */
+
+ case SSL_EARLY_DATA_CONNECT_RETRY:
+ s->early_data_state = SSL_EARLY_DATA_CONNECTING;
+ ret = SSL_connect(s);
+ if (ret <= 0) {
+ /* NBIO or error */
+ s->early_data_state = SSL_EARLY_DATA_CONNECT_RETRY;
+ return 0;
+ }
+ /* fall through */
- ret = ssl_start_async_job(s, &args, ssl_io_intern);
- *written = s->asyncrw;
+ case SSL_EARLY_DATA_WRITE_RETRY:
+ s->early_data_state = SSL_EARLY_DATA_WRITING;
+ ret = SSL_write_ex(s, buf, num, written);
+ s->early_data_state = SSL_EARLY_DATA_WRITE_RETRY;
return ret;
- } else {
- return s->method->ssl_write(s, buf, num, written);
+
+ case SSL_EARLY_DATA_READ_RETRY:
+ /* We are a server writing to an unauthenticated client */
+ s->early_data_state = SSL_EARLY_DATA_UNAUTH_WRITING;
+ ret = SSL_write_ex(s, buf, num, written);
+ s->early_data_state = SSL_EARLY_DATA_READ_RETRY;
+ return ret;
+
+ default:
+ SSLerr(SSL_F_SSL_WRITE_EARLY_DATA, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+ return 0;
+ }
+}
+
+static int ssl_write_early_finish(SSL *s)
+{
+ int ret;
+
+ if (s->early_data_state != SSL_EARLY_DATA_WRITE_RETRY) {
+ SSLerr(SSL_F_SSL_WRITE_EARLY_FINISH, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+ return 0;
}
+
+ s->early_data_state = SSL_EARLY_DATA_WRITING;
+ ret = ssl3_send_alert(s, SSL3_AL_WARNING, SSL_AD_END_OF_EARLY_DATA);
+ if (ret <= 0) {
+ s->early_data_state = SSL_EARLY_DATA_WRITE_RETRY;
+ return 0;
+ }
+ s->early_data_state = SSL_EARLY_DATA_FINISHED_WRITING;
+ /*
+ * We set the enc_write_ctx back to NULL because we may end up writing
+ * in cleartext again if we get a HelloRetryRequest from the server.
+ */
+ EVP_CIPHER_CTX_free(s->enc_write_ctx);
+ s->enc_write_ctx = NULL;
+ ossl_statem_set_in_init(s, 1);
+ return 1;
}
int SSL_shutdown(SSL *s)
}
}
-int SSL_renegotiate(SSL *s)
+int SSL_key_update(SSL *s, int updatetype)
{
/*
- * TODO(TLS1.3): Return an error for now. Perhaps we should do a KeyUpdate
- * instead when we support that?
+ * TODO(TLS1.3): How will applications know whether TLSv1.3 has been
+ * negotiated, and that it is appropriate to call SSL_key_update() instead
+ * of SSL_renegotiate().
*/
- if (SSL_IS_TLS13(s))
+ if (!SSL_IS_TLS13(s)) {
+ SSLerr(SSL_F_SSL_KEY_UPDATE, SSL_R_WRONG_SSL_VERSION);
+ return 0;
+ }
+
+ if (updatetype != SSL_KEY_UPDATE_NOT_REQUESTED
+ && updatetype != SSL_KEY_UPDATE_REQUESTED) {
+ SSLerr(SSL_F_SSL_KEY_UPDATE, SSL_R_INVALID_KEY_UPDATE_TYPE);
+ return 0;
+ }
+
+ if (!SSL_is_init_finished(s)) {
+ SSLerr(SSL_F_SSL_KEY_UPDATE, SSL_R_STILL_IN_INIT);
+ return 0;
+ }
+
+ ossl_statem_set_in_init(s, 1);
+ s->key_update = updatetype;
+ return 1;
+}
+
+int SSL_get_key_update_type(SSL *s)
+{
+ return s->key_update;
+}
+
+int SSL_renegotiate(SSL *s)
+{
+ if (SSL_IS_TLS13(s)) {
+ SSLerr(SSL_F_SSL_RENEGOTIATE, SSL_R_WRONG_SSL_VERSION);
return 0;
+ }
if (s->renegotiate == 0)
s->renegotiate = 1;
int SSL_renegotiate_abbreviated(SSL *s)
{
- /*
- * TODO(TLS1.3): Return an error for now. Perhaps we should do a KeyUpdate
- * instead when we support that?
- */
if (SSL_IS_TLS13(s))
return 0;
if (!OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL))
return NULL;
- if (FIPS_mode() && (meth->version < TLS1_VERSION)) {
- SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_AT_LEAST_TLS_1_0_NEEDED_IN_FIPS_MODE);
- return NULL;
- }
-
if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) {
SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
goto err;
ret->ext.status_type = TLSEXT_STATUSTYPE_nothing;
+ /*
+ * Default max early data is a fully loaded single record. Could be split
+ * across multiple records in practice
+ */
+ ret->max_early_data = SSL3_RT_MAX_PLAIN_LENGTH;
+
return ret;
err:
SSLerr(SSL_F_SSL_CTX_NEW, ERR_R_MALLOC_FAILURE);
#endif
rsa_enc = pvalid[SSL_PKEY_RSA] & CERT_PKEY_VALID;
- rsa_sign = pvalid[SSL_PKEY_RSA] & CERT_PKEY_SIGN;
- dsa_sign = pvalid[SSL_PKEY_DSA_SIGN] & CERT_PKEY_SIGN;
+ rsa_sign = pvalid[SSL_PKEY_RSA] & CERT_PKEY_VALID;
+ dsa_sign = pvalid[SSL_PKEY_DSA_SIGN] & CERT_PKEY_VALID;
#ifndef OPENSSL_NO_EC
have_ecc_cert = pvalid[SSL_PKEY_ECC] & CERT_PKEY_VALID;
#endif
#endif
-static int ssl_get_server_cert_index(const SSL *s)
-{
- int idx;
-
- if (SSL_IS_TLS13(s)) {
- if (s->s3->tmp.sigalg == NULL) {
- SSLerr(SSL_F_SSL_GET_SERVER_CERT_INDEX, ERR_R_INTERNAL_ERROR);
- return -1;
- }
- return s->s3->tmp.cert_idx;
- }
-
- idx = ssl_cipher_get_cert_index(s->s3->tmp.new_cipher);
- if (idx == SSL_PKEY_GOST_EC) {
- if (s->cert->pkeys[SSL_PKEY_GOST12_512].x509)
- idx = SSL_PKEY_GOST12_512;
- else if (s->cert->pkeys[SSL_PKEY_GOST12_256].x509)
- idx = SSL_PKEY_GOST12_256;
- else if (s->cert->pkeys[SSL_PKEY_GOST01].x509)
- idx = SSL_PKEY_GOST01;
- else
- idx = -1;
- }
- if (idx == -1)
- SSLerr(SSL_F_SSL_GET_SERVER_CERT_INDEX, ERR_R_INTERNAL_ERROR);
- return idx;
-}
-
-CERT_PKEY *ssl_get_server_send_pkey(SSL *s)
-{
- CERT *c;
- int i;
-
- c = s->cert;
- if (!s->s3 || !s->s3->tmp.new_cipher)
- return NULL;
- ssl_set_masks(s);
-
- i = ssl_get_server_cert_index(s);
-
- /* This may or may not be an error. */
- if (i < 0)
- return NULL;
-
- /* May be NULL. */
- return &c->pkeys[i];
-}
-
-EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *cipher,
- const EVP_MD **pmd)
-{
- unsigned long alg_a;
- CERT *c;
- int idx = -1;
-
- alg_a = cipher->algorithm_auth;
- c = s->cert;
-
- if (alg_a & SSL_aDSS && c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL)
- idx = SSL_PKEY_DSA_SIGN;
- else if (alg_a & SSL_aRSA && c->pkeys[SSL_PKEY_RSA].privatekey != NULL)
- idx = SSL_PKEY_RSA;
- else if (alg_a & SSL_aECDSA &&
- c->pkeys[SSL_PKEY_ECC].privatekey != NULL)
- idx = SSL_PKEY_ECC;
- if (idx == -1) {
- SSLerr(SSL_F_SSL_GET_SIGN_PKEY, ERR_R_INTERNAL_ERROR);
- return (NULL);
- }
- if (pmd)
- *pmd = s->s3->tmp.md[idx];
- return c->pkeys[idx].privatekey;
-}
-
int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo,
size_t *serverinfo_length)
{
- CERT *c = NULL;
- int i = 0;
+ CERT_PKEY *cpk = s->s3->tmp.cert;
*serverinfo_length = 0;
- c = s->cert;
- i = ssl_get_server_cert_index(s);
-
- if (i == -1)
- return 0;
- if (c->pkeys[i].serverinfo == NULL)
+ if (cpk == NULL || cpk->serverinfo == NULL)
return 0;
- *serverinfo = c->pkeys[i].serverinfo;
- *serverinfo_length = c->pkeys[i].serverinfo_length;
+ *serverinfo = cpk->serverinfo;
+ *serverinfo_length = cpk->serverinfo_length;
return 1;
}
return (SSL_ERROR_SYSCALL);
}
}
- if (SSL_want_x509_lookup(s)) {
+ if (SSL_want_x509_lookup(s))
return (SSL_ERROR_WANT_X509_LOOKUP);
- }
- if (SSL_want_async(s)) {
+ if (SSL_want_async(s))
return SSL_ERROR_WANT_ASYNC;
- }
- if (SSL_want_async_job(s)) {
+ if (SSL_want_async_job(s))
return SSL_ERROR_WANT_ASYNC_JOB;
- }
+ if (SSL_want_early(s))
+ return SSL_ERROR_WANT_EARLY;
if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) &&
(s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY))
return -1;
}
+ if (s->early_data_state == SSL_EARLY_DATA_WRITE_RETRY) {
+ int edfin;
+
+ edfin = ssl_write_early_finish(s);
+ if (edfin <= 0)
+ return edfin;
+ }
+ ossl_statem_check_finish_init(s, -1);
+
s->method->ssl_renegotiate_check(s, 0);
if (SSL_in_init(s) || SSL_in_before(s)) {
return (CRYPTO_get_ex_data(&s->ex_data, idx));
}
-int ssl_ok(SSL *s)
-{
- return (1);
-}
-
X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx)
{
return (ctx->cert_store);
return ctx->ctlog_store;
}
-#endif
+#endif /* OPENSSL_NO_CT */
+
+void SSL_CTX_set_early_cb(SSL_CTX *c, SSL_early_cb_fn cb, void *arg)
+{
+ c->early_cb = cb;
+ c->early_cb_arg = arg;
+}
+
+int SSL_early_isv2(SSL *s)
+{
+ if (s->clienthello == NULL)
+ return 0;
+ return s->clienthello->isv2;
+}
+
+unsigned int SSL_early_get0_legacy_version(SSL *s)
+{
+ if (s->clienthello == NULL)
+ return 0;
+ return s->clienthello->legacy_version;
+}
+
+size_t SSL_early_get0_random(SSL *s, const unsigned char **out)
+{
+ if (s->clienthello == NULL)
+ return 0;
+ if (out != NULL)
+ *out = s->clienthello->random;
+ return SSL3_RANDOM_SIZE;
+}
+
+size_t SSL_early_get0_session_id(SSL *s, const unsigned char **out)
+{
+ if (s->clienthello == NULL)
+ return 0;
+ if (out != NULL)
+ *out = s->clienthello->session_id;
+ return s->clienthello->session_id_len;
+}
+
+size_t SSL_early_get0_ciphers(SSL *s, const unsigned char **out)
+{
+ if (s->clienthello == NULL)
+ return 0;
+ if (out != NULL)
+ *out = PACKET_data(&s->clienthello->ciphersuites);
+ return PACKET_remaining(&s->clienthello->ciphersuites);
+}
+
+size_t SSL_early_get0_compression_methods(SSL *s, const unsigned char **out)
+{
+ if (s->clienthello == NULL)
+ return 0;
+ if (out != NULL)
+ *out = s->clienthello->compressions;
+ return s->clienthello->compressions_len;
+}
+
+int SSL_early_get0_ext(SSL *s, unsigned int type, const unsigned char **out,
+ size_t *outlen)
+{
+ size_t i;
+ RAW_EXTENSION *r;
+
+ if (s->clienthello == NULL)
+ return 0;
+ for (i = 0; i < s->clienthello->pre_proc_exts_len; ++i) {
+ r = s->clienthello->pre_proc_exts + i;
+ if (r->present && r->type == type) {
+ if (out != NULL)
+ *out = PACKET_data(&r->data);
+ if (outlen != NULL)
+ *outlen = PACKET_remaining(&r->data);
+ return 1;
+ }
+ }
+ return 0;
+}
void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, SSL_CTX_keylog_cb_func cb)
{
secret_len);
}
+#define SSLV2_CIPHER_LEN 3
+
+int ssl_cache_cipherlist(SSL *s, PACKET *cipher_suites, int sslv2format,
+ int *al)
+{
+ int n;
+
+ n = sslv2format ? SSLV2_CIPHER_LEN : TLS_CIPHER_LEN;
+
+ if (PACKET_remaining(cipher_suites) == 0) {
+ SSLerr(SSL_F_SSL_CACHE_CIPHERLIST, SSL_R_NO_CIPHERS_SPECIFIED);
+ *al = SSL_AD_ILLEGAL_PARAMETER;
+ return 0;
+ }
+
+ if (PACKET_remaining(cipher_suites) % n != 0) {
+ SSLerr(SSL_F_SSL_CACHE_CIPHERLIST,
+ SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
+ *al = SSL_AD_DECODE_ERROR;
+ return 0;
+ }
+
+ OPENSSL_free(s->s3->tmp.ciphers_raw);
+ s->s3->tmp.ciphers_raw = NULL;
+ s->s3->tmp.ciphers_rawlen = 0;
+
+ if (sslv2format) {
+ size_t numciphers = PACKET_remaining(cipher_suites) / n;
+ PACKET sslv2ciphers = *cipher_suites;
+ unsigned int leadbyte;
+ unsigned char *raw;
+
+ /*
+ * We store the raw ciphers list in SSLv3+ format so we need to do some
+ * preprocessing to convert the list first. If there are any SSLv2 only
+ * ciphersuites with a non-zero leading byte then we are going to
+ * slightly over allocate because we won't store those. But that isn't a
+ * problem.
+ */
+ raw = OPENSSL_malloc(numciphers * TLS_CIPHER_LEN);
+ s->s3->tmp.ciphers_raw = raw;
+ if (raw == NULL) {
+ *al = SSL_AD_INTERNAL_ERROR;
+ goto err;
+ }
+ for (s->s3->tmp.ciphers_rawlen = 0;
+ PACKET_remaining(&sslv2ciphers) > 0;
+ raw += TLS_CIPHER_LEN) {
+ if (!PACKET_get_1(&sslv2ciphers, &leadbyte)
+ || (leadbyte == 0
+ && !PACKET_copy_bytes(&sslv2ciphers, raw,
+ TLS_CIPHER_LEN))
+ || (leadbyte != 0
+ && !PACKET_forward(&sslv2ciphers, TLS_CIPHER_LEN))) {
+ *al = SSL_AD_INTERNAL_ERROR;
+ OPENSSL_free(s->s3->tmp.ciphers_raw);
+ s->s3->tmp.ciphers_raw = NULL;
+ s->s3->tmp.ciphers_rawlen = 0;
+ goto err;
+ }
+ if (leadbyte == 0)
+ s->s3->tmp.ciphers_rawlen += TLS_CIPHER_LEN;
+ }
+ } else if (!PACKET_memdup(cipher_suites, &s->s3->tmp.ciphers_raw,
+ &s->s3->tmp.ciphers_rawlen)) {
+ *al = SSL_AD_INTERNAL_ERROR;
+ goto err;
+ }
+ return 1;
+ err:
+ return 0;
+}
+
+int SSL_bytes_to_cipher_list(SSL *s, const unsigned char *bytes, size_t len,
+ int isv2format, STACK_OF(SSL_CIPHER) **sk,
+ STACK_OF(SSL_CIPHER) **scsvs)
+{
+ int alert;
+ PACKET pkt;
+
+ if (!PACKET_buf_init(&pkt, bytes, len))
+ return 0;
+ return bytes_to_cipher_list(s, &pkt, sk, scsvs, isv2format, &alert);
+}
+
+int bytes_to_cipher_list(SSL *s, PACKET *cipher_suites,
+ STACK_OF(SSL_CIPHER) **skp,
+ STACK_OF(SSL_CIPHER) **scsvs_out,
+ int sslv2format, int *al)
+{
+ const SSL_CIPHER *c;
+ STACK_OF(SSL_CIPHER) *sk = NULL;
+ STACK_OF(SSL_CIPHER) *scsvs = NULL;
+ int n;
+ /* 3 = SSLV2_CIPHER_LEN > TLS_CIPHER_LEN = 2. */
+ unsigned char cipher[SSLV2_CIPHER_LEN];
+
+ n = sslv2format ? SSLV2_CIPHER_LEN : TLS_CIPHER_LEN;
+
+ if (PACKET_remaining(cipher_suites) == 0) {
+ SSLerr(SSL_F_BYTES_TO_CIPHER_LIST, SSL_R_NO_CIPHERS_SPECIFIED);
+ *al = SSL_AD_ILLEGAL_PARAMETER;
+ return 0;
+ }
+
+ if (PACKET_remaining(cipher_suites) % n != 0) {
+ SSLerr(SSL_F_BYTES_TO_CIPHER_LIST,
+ SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
+ *al = SSL_AD_DECODE_ERROR;
+ return 0;
+ }
+
+ sk = sk_SSL_CIPHER_new_null();
+ scsvs = sk_SSL_CIPHER_new_null();
+ if (sk == NULL || scsvs == NULL) {
+ SSLerr(SSL_F_BYTES_TO_CIPHER_LIST, ERR_R_MALLOC_FAILURE);
+ *al = SSL_AD_INTERNAL_ERROR;
+ goto err;
+ }
+
+ while (PACKET_copy_bytes(cipher_suites, cipher, n)) {
+ /*
+ * SSLv3 ciphers wrapped in an SSLv2-compatible ClientHello have the
+ * first byte set to zero, while true SSLv2 ciphers have a non-zero
+ * first byte. We don't support any true SSLv2 ciphers, so skip them.
+ */
+ if (sslv2format && cipher[0] != '\0')
+ continue;
+
+ /* For SSLv2-compat, ignore leading 0-byte. */
+ c = ssl_get_cipher_by_char(s, sslv2format ? &cipher[1] : cipher, 1);
+ if (c != NULL) {
+ if ((c->valid && !sk_SSL_CIPHER_push(sk, c)) ||
+ (!c->valid && !sk_SSL_CIPHER_push(scsvs, c))) {
+ SSLerr(SSL_F_BYTES_TO_CIPHER_LIST, ERR_R_MALLOC_FAILURE);
+ *al = SSL_AD_INTERNAL_ERROR;
+ goto err;
+ }
+ }
+ }
+ if (PACKET_remaining(cipher_suites) > 0) {
+ *al = SSL_AD_INTERNAL_ERROR;
+ SSLerr(SSL_F_BYTES_TO_CIPHER_LIST, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+
+ if (skp != NULL)
+ *skp = sk;
+ else
+ sk_SSL_CIPHER_free(sk);
+ if (scsvs_out != NULL)
+ *scsvs_out = scsvs;
+ else
+ sk_SSL_CIPHER_free(scsvs);
+ return 1;
+ err:
+ sk_SSL_CIPHER_free(sk);
+ sk_SSL_CIPHER_free(scsvs);
+ return 0;
+}
+
+int SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data)
+{
+ ctx->max_early_data = max_early_data;
+
+ return 1;
+}
+
+uint32_t SSL_CTX_get_max_early_data(const SSL_CTX *ctx)
+{
+ return ctx->max_early_data;
+}
+
+int SSL_set_max_early_data(SSL *s, uint32_t max_early_data)
+{
+ s->max_early_data = max_early_data;
+
+ return 1;
+}
+
+uint32_t SSL_get_max_early_data(const SSL_CTX *s)
+{
+ return s->max_early_data;
+}
projects / openssl.git / blobdiff