/*
- * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
* Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
* Copyright 2005 Nokia. All rights reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
+/* We need to use some engine deprecated APIs */
+#define OPENSSL_SUPPRESS_DEPRECATED
+
#include <stdio.h>
-#include "ssl_locl.h"
+#include "ssl_local.h"
+#include "e_os.h"
#include <openssl/objects.h>
#include <openssl/x509v3.h>
#include <openssl/rand.h>
-#include <openssl/rand_drbg.h>
#include <openssl/ocsp.h>
#include <openssl/dh.h>
#include <openssl/engine.h>
#include <openssl/async.h>
#include <openssl/ct.h>
+#include <openssl/trace.h>
#include "internal/cryptlib.h"
#include "internal/refcount.h"
+#include "internal/ktls.h"
+
+DEFINE_STACK_OF(X509)
+DEFINE_STACK_OF(X509_NAME)
+DEFINE_STACK_OF_CONST(SSL_CIPHER)
+DEFINE_STACK_OF(X509_EXTENSION)
+DEFINE_STACK_OF(OCSP_RESPID)
+DEFINE_STACK_OF(SRTP_PROTECTION_PROFILE)
+DEFINE_STACK_OF(SCT)
-static int ssl_undefined_function_1(SSL *ssl, SSL3_RECORD *r, size_t s, int t)
+static int ssl_undefined_function_1(SSL *ssl, SSL3_RECORD *r, size_t s, int t,
+ SSL_MAC_BUF *mac, size_t macsize)
{
- (void)r;
- (void)s;
- (void)t;
return ssl_undefined_function(ssl);
}
static int ssl_undefined_function_2(SSL *ssl, SSL3_RECORD *r, unsigned char *s,
int t)
{
- (void)r;
- (void)s;
- (void)t;
return ssl_undefined_function(ssl);
}
static int ssl_undefined_function_3(SSL *ssl, unsigned char *r,
unsigned char *s, size_t t, size_t *u)
{
- (void)r;
- (void)s;
- (void)t;
- (void)u;
return ssl_undefined_function(ssl);
}
static int ssl_undefined_function_4(SSL *ssl, int r)
{
- (void)r;
return ssl_undefined_function(ssl);
}
static size_t ssl_undefined_function_5(SSL *ssl, const char *r, size_t s,
unsigned char *t)
{
- (void)r;
- (void)s;
- (void)t;
return ssl_undefined_function(ssl);
}
static int ssl_undefined_function_6(int r)
{
- (void)r;
return ssl_undefined_function(NULL);
}
const char *t, size_t u,
const unsigned char *v, size_t w, int x)
{
- (void)r;
- (void)s;
- (void)t;
- (void)u;
- (void)v;
- (void)w;
- (void)x;
return ssl_undefined_function(ssl);
}
/* Clear the verification result peername */
X509_VERIFY_PARAM_move_peername(s->param, NULL);
+ /* Clear any shared connection state */
+ OPENSSL_free(s->shared_sigalgs);
+ s->shared_sigalgs = NULL;
+ s->shared_sigalgslen = 0;
+
/*
* Check to see if we were changed into a different method, if so, revert
* back.
return 1;
}
+#ifndef OPENSSL_NO_DEPRECATED_3_0
/** Used to change an SSL_CTXs default SSL method type */
int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth)
{
ctx->method = meth;
- if (!SSL_CTX_set_ciphersuites(ctx, TLS_DEFAULT_CIPHERSUITES)) {
+ if (!SSL_CTX_set_ciphersuites(ctx, OSSL_default_ciphersuites())) {
SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION, SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS);
return 0;
}
ctx->tls13_ciphersuites,
&(ctx->cipher_list),
&(ctx->cipher_list_by_id),
- SSL_DEFAULT_CIPHER_LIST, ctx->cert);
+ OSSL_default_cipher_list(), ctx->cert);
if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0)) {
SSLerr(SSL_F_SSL_CTX_SET_SSL_VERSION, SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS);
return 0;
}
return 1;
}
+#endif
SSL *SSL_new(SSL_CTX *ctx)
{
s->ext.ecpointformats_len =
ctx->ext.ecpointformats_len;
}
+#endif
if (ctx->ext.supportedgroups) {
s->ext.supportedgroups =
OPENSSL_memdup(ctx->ext.supportedgroups,
goto err;
s->ext.supportedgroups_len = ctx->ext.supportedgroups_len;
}
-#endif
+
#ifndef OPENSSL_NO_NEXTPROTONEG
s->ext.npn = NULL;
#endif
s->psk_find_session_cb = ctx->psk_find_session_cb;
s->psk_use_session_cb = ctx->psk_use_session_cb;
+ s->async_cb = ctx->async_cb;
+ s->async_cb_arg = ctx->async_cb_arg;
+
s->job = NULL;
#ifndef OPENSSL_NO_CT
int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx,
unsigned int sid_ctx_len)
{
- if (sid_ctx_len > sizeof(ctx->sid_ctx)) {
+ if (sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) {
SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,
SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
return 0;
int SSL_set1_host(SSL *s, const char *hostname)
{
+ /* If a hostname is provided and parses as an IP address,
+ * treat it as such. */
+ if (hostname && X509_VERIFY_PARAM_set1_ip_asc(s->param, hostname) == 1)
+ return 1;
+
return X509_VERIFY_PARAM_set1_host(s->param, hostname, 0);
}
int SSL_add1_host(SSL *s, const char *hostname)
{
+ /* If a hostname is provided and parses as an IP address,
+ * treat it as such. */
+ if (hostname)
+ {
+ ASN1_OCTET_STRING *ip;
+ char *old_ip;
+
+ ip = a2i_IPADDRESS(hostname);
+ if (ip) {
+ /* We didn't want it; only to check if it *is* an IP address */
+ ASN1_OCTET_STRING_free(ip);
+
+ old_ip = X509_VERIFY_PARAM_get1_ip_asc(s->param);
+ if (old_ip)
+ {
+ OPENSSL_free(old_ip);
+ /* There can be only one IP address */
+ return 0;
+ }
+
+ return X509_VERIFY_PARAM_set1_ip_asc(s->param, hostname);
+ }
+ }
+
return X509_VERIFY_PARAM_add1_host(s->param, hostname, 0);
}
dane_final(&s->dane);
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
+ RECORD_LAYER_release(&s->rlayer);
+
/* Ignore return value */
ssl_free_wbio_buffer(s);
BIO_free_all(s->wbio);
+ s->wbio = NULL;
BIO_free_all(s->rbio);
+ s->rbio = NULL;
BUF_MEM_free(s->init_buf);
sk_SSL_CIPHER_free(s->cipher_list);
sk_SSL_CIPHER_free(s->cipher_list_by_id);
sk_SSL_CIPHER_free(s->tls13_ciphersuites);
+ sk_SSL_CIPHER_free(s->peer_ciphers);
/* Make the next call work :-) */
if (s->session != NULL) {
clear_ciphers(s);
ssl_cert_free(s->cert);
+ OPENSSL_free(s->shared_sigalgs);
/* Free up if allocated */
OPENSSL_free(s->ext.hostname);
SSL_CTX_free(s->session_ctx);
#ifndef OPENSSL_NO_EC
OPENSSL_free(s->ext.ecpointformats);
- OPENSSL_free(s->ext.supportedgroups);
+ OPENSSL_free(s->ext.peer_ecpointformats);
#endif /* OPENSSL_NO_EC */
+ OPENSSL_free(s->ext.supportedgroups);
+ OPENSSL_free(s->ext.peer_supportedgroups);
sk_X509_EXTENSION_pop_free(s->ext.ocsp.exts, X509_EXTENSION_free);
#ifndef OPENSSL_NO_OCSP
sk_OCSP_RESPID_pop_free(s->ext.ocsp.ids, OCSP_RESPID_free);
OPENSSL_free(s->ext.ocsp.resp);
OPENSSL_free(s->ext.alpn);
OPENSSL_free(s->ext.tls13_cookie);
+ if (s->clienthello != NULL)
+ OPENSSL_free(s->clienthello->pre_proc_exts);
OPENSSL_free(s->clienthello);
OPENSSL_free(s->pha_context);
EVP_MD_CTX_free(s->pha_dgst);
if (s->method != NULL)
s->method->ssl_free(s);
- RECORD_LAYER_release(&s->rlayer);
-
SSL_CTX_free(s->ctx);
ASYNC_WAIT_CTX_free(s->waitctx);
}
BIO_set_fd(bio, fd, BIO_NOCLOSE);
SSL_set_bio(s, bio, bio);
+#ifndef OPENSSL_NO_KTLS
+ /*
+ * The new socket is created successfully regardless of ktls_enable.
+ * ktls_enable doesn't change any functionality of the socket, except
+ * changing the setsockopt to enable the processing of ktls_start.
+ * Thus, it is not a problem to call it for non-TLS sockets.
+ */
+ ktls_enable(fd);
+#endif /* OPENSSL_NO_KTLS */
ret = 1;
err:
return ret;
}
BIO_set_fd(bio, fd, BIO_NOCLOSE);
SSL_set0_wbio(s, bio);
+#ifndef OPENSSL_NO_KTLS
+ /*
+ * The new socket is created successfully regardless of ktls_enable.
+ * ktls_enable doesn't change any functionality of the socket, except
+ * changing the setsockopt to enable the processing of ktls_start.
+ * Thus, it is not a problem to call it for non-TLS sockets.
+ */
+ ktls_enable(fd);
+#endif /* OPENSSL_NO_KTLS */
} else {
BIO_up_ref(rbio);
SSL_set0_wbio(s, rbio);
{
size_t ret = 0;
- if (s->s3 != NULL) {
- ret = s->s3->tmp.finish_md_len;
- if (count > ret)
- count = ret;
- memcpy(buf, s->s3->tmp.finish_md, count);
- }
+ ret = s->s3.tmp.finish_md_len;
+ if (count > ret)
+ count = ret;
+ memcpy(buf, s->s3.tmp.finish_md, count);
return ret;
}
{
size_t ret = 0;
- if (s->s3 != NULL) {
- ret = s->s3->tmp.peer_finish_md_len;
- if (count > ret)
- count = ret;
- memcpy(buf, s->s3->tmp.peer_finish_md, count);
- }
+ ret = s->s3.tmp.peer_finish_md_len;
+ if (count > ret)
+ count = ret;
+ memcpy(buf, s->s3.tmp.peer_finish_md, count);
return ret;
}
return RECORD_LAYER_read_pending(&s->rlayer);
}
-X509 *SSL_get_peer_certificate(const SSL *s)
+X509 *SSL_get1_peer_certificate(const SSL *s)
{
- X509 *r;
-
- if ((s == NULL) || (s->session == NULL))
- r = NULL;
- else
- r = s->session->peer;
+ X509 *r = SSL_get0_peer_certificate(s);
- if (r == NULL)
- return r;
-
- X509_up_ref(r);
+ if (r != NULL)
+ X509_up_ref(r);
return r;
}
+X509 *SSL_get0_peer_certificate(const SSL *s)
+{
+ if ((s == NULL) || (s->session == NULL))
+ return NULL;
+ else
+ return s->session->peer;
+}
+
STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s)
{
STACK_OF(X509) *r;
numdelfds);
}
+int SSL_CTX_set_async_callback(SSL_CTX *ctx, SSL_async_callback_fn callback)
+{
+ ctx->async_cb = callback;
+ return 1;
+}
+
+int SSL_CTX_set_async_callback_arg(SSL_CTX *ctx, void *arg)
+{
+ ctx->async_cb_arg = arg;
+ return 1;
+}
+
+int SSL_set_async_callback(SSL *s, SSL_async_callback_fn callback)
+{
+ s->async_cb = callback;
+ return 1;
+}
+
+int SSL_set_async_callback_arg(SSL *s, void *arg)
+{
+ s->async_cb_arg = arg;
+ return 1;
+}
+
+int SSL_get_async_status(SSL *s, int *status)
+{
+ ASYNC_WAIT_CTX *ctx = s->waitctx;
+
+ if (ctx == NULL)
+ return 0;
+ *status = ASYNC_WAIT_CTX_get_status(ctx);
+ return 1;
+}
+
int SSL_accept(SSL *s)
{
if (s->handshake_func == NULL) {
return s->method->get_timeout();
}
+static int ssl_async_wait_ctx_cb(void *arg)
+{
+ SSL *s = (SSL *)arg;
+
+ return s->async_cb(s, s->async_cb_arg);
+}
+
static int ssl_start_async_job(SSL *s, struct ssl_async_args *args,
int (*func) (void *))
{
s->waitctx = ASYNC_WAIT_CTX_new();
if (s->waitctx == NULL)
return -1;
+ if (s->async_cb != NULL
+ && !ASYNC_WAIT_CTX_set_callback
+ (s->waitctx, ssl_async_wait_ctx_cb, s))
+ return -1;
}
switch (ASYNC_start_job(&s->job, s->waitctx, &ret, func, args,
sizeof(struct ssl_async_args))) {
}
}
+ossl_ssize_t SSL_sendfile(SSL *s, int fd, off_t offset, size_t size, int flags)
+{
+ ossl_ssize_t ret;
+
+ if (s->handshake_func == NULL) {
+ SSLerr(SSL_F_SSL_SENDFILE, SSL_R_UNINITIALIZED);
+ return -1;
+ }
+
+ if (s->shutdown & SSL_SENT_SHUTDOWN) {
+ s->rwstate = SSL_NOTHING;
+ SSLerr(SSL_F_SSL_SENDFILE, SSL_R_PROTOCOL_IS_SHUTDOWN);
+ return -1;
+ }
+
+ if (!BIO_get_ktls_send(s->wbio)) {
+ SSLerr(SSL_F_SSL_SENDFILE, SSL_R_UNINITIALIZED);
+ return -1;
+ }
+
+ /* If we have an alert to send, lets send it */
+ if (s->s3.alert_dispatch) {
+ ret = (ossl_ssize_t)s->method->ssl_dispatch_alert(s);
+ if (ret <= 0) {
+ /* SSLfatal() already called if appropriate */
+ return ret;
+ }
+ /* if it went, fall through and send more stuff */
+ }
+
+ s->rwstate = SSL_WRITING;
+ if (BIO_flush(s->wbio) <= 0) {
+ if (!BIO_should_retry(s->wbio)) {
+ s->rwstate = SSL_NOTHING;
+ } else {
+#ifdef EAGAIN
+ set_sys_error(EAGAIN);
+#endif
+ }
+ return -1;
+ }
+
+#ifdef OPENSSL_NO_KTLS
+ ERR_raise_data(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR,
+ "can't call ktls_sendfile(), ktls disabled");
+ return -1;
+#else
+ ret = ktls_sendfile(SSL_get_wfd(s), fd, offset, size, flags);
+ if (ret < 0) {
+#if defined(EAGAIN) && defined(EINTR) && defined(EBUSY)
+ if ((get_last_sys_error() == EAGAIN) ||
+ (get_last_sys_error() == EINTR) ||
+ (get_last_sys_error() == EBUSY))
+ BIO_set_retry_write(s->wbio);
+ else
+#endif
+ SSLerr(SSL_F_SSL_SENDFILE, SSL_R_UNINITIALIZED);
+ return ret;
+ }
+ s->rwstate = SSL_NOTHING;
+ return ret;
+#endif
+}
+
int SSL_write(SSL *s, const void *buf, int num)
{
int ret;
return 1;
}
-int SSL_get_key_update_type(SSL *s)
+int SSL_get_key_update_type(const SSL *s)
{
return s->key_update;
}
return s->method->ssl_renegotiate(s);
}
-int SSL_renegotiate_pending(SSL *s)
+int SSL_renegotiate_pending(const SSL *s)
{
/*
* becomes true when negotiation is requested; false again once a
return (s->renegotiate != 0);
}
+int SSL_new_session_ticket(SSL *s)
+{
+ if (SSL_in_init(s) || SSL_IS_FIRST_HANDSHAKE(s) || !s->server
+ || !SSL_IS_TLS13(s))
+ return 0;
+ s->ext.extra_tickets_expected++;
+ return 1;
+}
+
long SSL_ctrl(SSL *s, int cmd, long larg, void *parg)
{
long l;
case SSL_CTRL_SET_MAX_SEND_FRAGMENT:
if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH)
return 0;
+#ifndef OPENSSL_NO_KTLS
+ if (s->wbio != NULL && BIO_get_ktls_send(s->wbio))
+ return 0;
+#endif /* OPENSSL_NO_KTLS */
s->max_send_fragment = larg;
if (s->max_send_fragment < s->split_send_fragment)
s->split_send_fragment = s->max_send_fragment;
RECORD_LAYER_set_read_ahead(&s->rlayer, 1);
return 1;
case SSL_CTRL_GET_RI_SUPPORT:
- if (s->s3)
- return s->s3->send_connection_binding;
- else
- return 0;
+ return s->s3.send_connection_binding;
case SSL_CTRL_CERT_FLAGS:
return (s->cert->cert_flags |= larg);
case SSL_CTRL_CLEAR_CERT_FLAGS:
case SSL_CTRL_GET_RAW_CIPHERLIST:
if (parg) {
- if (s->s3->tmp.ciphers_raw == NULL)
+ if (s->s3.tmp.ciphers_raw == NULL)
return 0;
- *(unsigned char **)parg = s->s3->tmp.ciphers_raw;
- return (int)s->s3->tmp.ciphers_rawlen;
+ *(unsigned char **)parg = s->s3.tmp.ciphers_raw;
+ return (int)s->s3.tmp.ciphers_rawlen;
} else {
return TLS_CIPHER_LEN;
}
/* For some cases with ctx == NULL perform syntax checks */
if (ctx == NULL) {
switch (cmd) {
-#ifndef OPENSSL_NO_EC
case SSL_CTRL_SET_GROUPS_LIST:
- return tls1_set_groups_list(NULL, NULL, parg);
-#endif
+ return tls1_set_groups_list(ctx, NULL, NULL, parg);
case SSL_CTRL_SET_SIGALGS_LIST:
case SSL_CTRL_SET_CLIENT_SIGALGS_LIST:
return tls1_set_sigalgs_list(NULL, parg, 0);
STACK_OF(SSL_CIPHER) *SSL_get_client_ciphers(const SSL *s)
{
- if ((s == NULL) || (s->session == NULL) || !s->server)
+ if ((s == NULL) || !s->server)
return NULL;
- return s->session->ciphers;
+ return s->peer_ciphers;
}
STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s)
return NULL;
}
+/*
+ * Distinguish between ciphers controlled by set_ciphersuite() and
+ * set_cipher_list() when counting.
+ */
+static int cipher_list_tls12_num(STACK_OF(SSL_CIPHER) *sk)
+{
+ int i, num = 0;
+ const SSL_CIPHER *c;
+
+ if (sk == NULL)
+ return 0;
+ for (i = 0; i < sk_SSL_CIPHER_num(sk); ++i) {
+ c = sk_SSL_CIPHER_value(sk, i);
+ if (c->min_tls >= TLS1_3_VERSION)
+ continue;
+ num++;
+ }
+ return num;
+}
+
/** specify the ciphers to be used by default by the SSL_CTX */
int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str)
{
*/
if (sk == NULL)
return 0;
- else if (sk_SSL_CIPHER_num(sk) == 0) {
+ else if (cipher_list_tls12_num(sk) == 0) {
SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
return 0;
}
/* see comment in SSL_CTX_set_cipher_list */
if (sk == NULL)
return 0;
- else if (sk_SSL_CIPHER_num(sk) == 0) {
+ else if (cipher_list_tls12_num(sk) == 0) {
SSLerr(SSL_F_SSL_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
return 0;
}
int i;
if (!s->server
- || s->session == NULL
- || s->session->ciphers == NULL
+ || s->peer_ciphers == NULL
|| size < 2)
return NULL;
p = buf;
- clntsk = s->session->ciphers;
+ clntsk = s->peer_ciphers;
srvrsk = SSL_get_ciphers(s);
if (clntsk == NULL || srvrsk == NULL)
return NULL;
return buf;
}
-/** return a servername extension value if provided in Client Hello, or NULL.
- * So far, only host_name types are defined (RFC 3546).
+/**
+ * Return the requested servername (SNI) value. Note that the behaviour varies
+ * depending on:
+ * - whether this is called by the client or the server,
+ * - if we are before or during/after the handshake,
+ * - if a resumption or normal handshake is being attempted/has occurred
+ * - whether we have negotiated TLSv1.2 (or below) or TLSv1.3
+ *
+ * Note that only the host_name type is defined (RFC 3546).
*/
-
const char *SSL_get_servername(const SSL *s, const int type)
{
+ /*
+ * If we don't know if we are the client or the server yet then we assume
+ * client.
+ */
+ int server = s->handshake_func == NULL ? 0 : s->server;
if (type != TLSEXT_NAMETYPE_host_name)
return NULL;
- /*
- * SNI is not negotiated in pre-TLS-1.3 resumption flows, so fake up an
- * SNI value to return if we are resuming/resumed. N.B. that we still
- * call the relevant callbacks for such resumption flows, and callbacks
- * might error out if there is not a SNI value available.
- */
- if (s->hit)
- return s->session->ext.hostname;
+ if (server) {
+ /**
+ * Server side
+ * In TLSv1.3 on the server SNI is not associated with the session
+ * but in TLSv1.2 or below it is.
+ *
+ * Before the handshake:
+ * - return NULL
+ *
+ * During/after the handshake (TLSv1.2 or below resumption occurred):
+ * - If a servername was accepted by the server in the original
+ * handshake then it will return that servername, or NULL otherwise.
+ *
+ * During/after the handshake (TLSv1.2 or below resumption did not occur):
+ * - The function will return the servername requested by the client in
+ * this handshake or NULL if none was requested.
+ */
+ if (s->hit && !SSL_IS_TLS13(s))
+ return s->session->ext.hostname;
+ } else {
+ /**
+ * Client side
+ *
+ * Before the handshake:
+ * - If a servername has been set via a call to
+ * SSL_set_tlsext_host_name() then it will return that servername
+ * - If one has not been set, but a TLSv1.2 resumption is being
+ * attempted and the session from the original handshake had a
+ * servername accepted by the server then it will return that
+ * servername
+ * - Otherwise it returns NULL
+ *
+ * During/after the handshake (TLSv1.2 or below resumption occurred):
+ * - If the session from the orignal handshake had a servername accepted
+ * by the server then it will return that servername.
+ * - Otherwise it returns the servername set via
+ * SSL_set_tlsext_host_name() (or NULL if it was not called).
+ *
+ * During/after the handshake (TLSv1.2 or below resumption did not occur):
+ * - It will return the servername set via SSL_set_tlsext_host_name()
+ * (or NULL if it was not called).
+ */
+ if (SSL_in_before(s)) {
+ if (s->ext.hostname == NULL
+ && s->session != NULL
+ && s->session->ssl_version != TLS1_3_VERSION)
+ return s->session->ext.hostname;
+ } else {
+ if (!SSL_IS_TLS13(s) && s->hit && s->session->ext.hostname != NULL)
+ return s->session->ext.hostname;
+ }
+ }
+
return s->ext.hostname;
}
int SSL_get_servername_type(const SSL *s)
{
- if (s->session
- && (!s->ext.hostname ? s->session->
- ext.hostname : s->ext.hostname))
+ if (SSL_get_servername(s, TLSEXT_NAMETYPE_host_name) != NULL)
return TLSEXT_NAMETYPE_host_name;
return -1;
}
unsigned *len)
{
*data = s->ext.npn;
- if (!*data) {
+ if (*data == NULL) {
*len = 0;
} else {
*len = (unsigned int)s->ext.npn_len;
void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data,
unsigned int *len)
{
- *data = NULL;
- if (ssl->s3)
- *data = ssl->s3->alpn_selected;
+ *data = ssl->s3.alpn_selected;
if (*data == NULL)
*len = 0;
else
- *len = (unsigned int)ssl->s3->alpn_selected_len;
+ *len = (unsigned int)ssl->s3.alpn_selected_len;
}
int SSL_export_keying_material(SSL *s, unsigned char *out, size_t olen,
const unsigned char *context, size_t contextlen,
int use_context)
{
- if (s->version < TLS1_VERSION && s->version != DTLS1_BAD_VER)
+ if (s->session == NULL
+ || (s->version < TLS1_VERSION && s->version != DTLS1_BAD_VER))
return -1;
return s->method->ssl3_enc->export_keying_material(s, out, olen, label,
* via ssl.h.
*/
-SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
+SSL_CTX *SSL_CTX_new_with_libctx(OPENSSL_CTX *libctx, const char *propq,
+ const SSL_METHOD *meth)
{
SSL_CTX *ret = NULL;
if (meth == NULL) {
- SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_NULL_SSL_METHOD_PASSED);
+ SSLerr(0, SSL_R_NULL_SSL_METHOD_PASSED);
return NULL;
}
return NULL;
if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) {
- SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
+ SSLerr(0, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
goto err;
}
ret = OPENSSL_zalloc(sizeof(*ret));
if (ret == NULL)
goto err;
+ ret->libctx = libctx;
+ if (propq != NULL) {
+ ret->propq = OPENSSL_strdup(propq);
+ if (ret->propq == NULL)
+ goto err;
+ }
+
ret->method = meth;
ret->min_proto_version = 0;
ret->max_proto_version = 0;
ret->references = 1;
ret->lock = CRYPTO_THREAD_lock_new();
if (ret->lock == NULL) {
- SSLerr(SSL_F_SSL_CTX_NEW, ERR_R_MALLOC_FAILURE);
+ SSLerr(0, ERR_R_MALLOC_FAILURE);
OPENSSL_free(ret);
return NULL;
}
if (ret->cert_store == NULL)
goto err;
#ifndef OPENSSL_NO_CT
- ret->ctlog_store = CTLOG_STORE_new();
+ ret->ctlog_store = CTLOG_STORE_new_with_libctx(libctx, propq);
if (ret->ctlog_store == NULL)
goto err;
#endif
- if (!SSL_CTX_set_ciphersuites(ret, TLS_DEFAULT_CIPHERSUITES))
+ /* initialize cipher/digest methods table */
+ if (!ssl_load_ciphers(ret))
+ goto err2;
+ /* initialise sig algs */
+ if (!ssl_setup_sig_algs(ret))
+ goto err2;
+
+
+ if (!ssl_load_groups(ret))
+ goto err2;
+
+ if (!SSL_CTX_set_ciphersuites(ret, OSSL_default_ciphersuites()))
goto err;
if (!ssl_create_cipher_list(ret->method,
ret->tls13_ciphersuites,
&ret->cipher_list, &ret->cipher_list_by_id,
- SSL_DEFAULT_CIPHER_LIST, ret->cert)
+ OSSL_default_cipher_list(), ret->cert)
|| sk_SSL_CIPHER_num(ret->cipher_list) <= 0) {
- SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_LIBRARY_HAS_NO_CIPHERS);
+ SSLerr(0, SSL_R_LIBRARY_HAS_NO_CIPHERS);
goto err2;
}
if (ret->param == NULL)
goto err;
- if ((ret->md5 = EVP_get_digestbyname("ssl3-md5")) == NULL) {
- SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES);
- goto err2;
- }
- if ((ret->sha1 = EVP_get_digestbyname("ssl3-sha1")) == NULL) {
- SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES);
- goto err2;
- }
+ /*
+ * If these aren't available from the provider we'll get NULL returns.
+ * That's fine but will cause errors later if SSLv3 is negotiated
+ */
+ ret->md5 = ssl_evp_md_fetch(libctx, NID_md5, propq);
+ ret->sha1 = ssl_evp_md_fetch(libctx, NID_sha1, propq);
if ((ret->ca_names = sk_X509_NAME_new_null()) == NULL)
goto err;
ret->split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH;
/* Setup RFC5077 ticket keys */
- if ((RAND_bytes(ret->ext.tick_key_name,
- sizeof(ret->ext.tick_key_name)) <= 0)
- || (RAND_priv_bytes(ret->ext.secure->tick_hmac_key,
- sizeof(ret->ext.secure->tick_hmac_key)) <= 0)
- || (RAND_priv_bytes(ret->ext.secure->tick_aes_key,
- sizeof(ret->ext.secure->tick_aes_key)) <= 0))
+ if ((RAND_bytes_ex(libctx, ret->ext.tick_key_name,
+ sizeof(ret->ext.tick_key_name)) <= 0)
+ || (RAND_priv_bytes_ex(libctx, ret->ext.secure->tick_hmac_key,
+ sizeof(ret->ext.secure->tick_hmac_key)) <= 0)
+ || (RAND_priv_bytes_ex(libctx, ret->ext.secure->tick_aes_key,
+ sizeof(ret->ext.secure->tick_aes_key)) <= 0))
ret->options |= SSL_OP_NO_TICKET;
- if (RAND_priv_bytes(ret->ext.cookie_hmac_key,
- sizeof(ret->ext.cookie_hmac_key)) <= 0)
+ if (RAND_priv_bytes_ex(libctx, ret->ext.cookie_hmac_key,
+ sizeof(ret->ext.cookie_hmac_key)) <= 0)
goto err;
#ifndef OPENSSL_NO_SRP
return ret;
err:
- SSLerr(SSL_F_SSL_CTX_NEW, ERR_R_MALLOC_FAILURE);
+ SSLerr(0, ERR_R_MALLOC_FAILURE);
err2:
SSL_CTX_free(ret);
return NULL;
}
+SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
+{
+ return SSL_CTX_new_with_libctx(NULL, NULL, meth);
+}
+
int SSL_CTX_up_ref(SSL_CTX *ctx)
{
int i;
void SSL_CTX_free(SSL_CTX *a)
{
int i;
+ size_t j;
if (a == NULL)
return;
#ifndef OPENSSL_NO_EC
OPENSSL_free(a->ext.ecpointformats);
- OPENSSL_free(a->ext.supportedgroups);
#endif
+ OPENSSL_free(a->ext.supportedgroups);
OPENSSL_free(a->ext.alpn);
OPENSSL_secure_free(a->ext.secure);
+ ssl_evp_md_free(a->md5);
+ ssl_evp_md_free(a->sha1);
+
+ for (j = 0; j < SSL_ENC_NUM_IDX; j++)
+ ssl_evp_cipher_free(a->ssl_cipher_methods[j]);
+ for (j = 0; j < SSL_MD_NUM_IDX; j++)
+ ssl_evp_md_free(a->ssl_digest_methods[j]);
+ for (j = 0; j < a->group_list_len; j++) {
+ OPENSSL_free(a->group_list[j].tlsname);
+ OPENSSL_free(a->group_list[j].realname);
+ OPENSSL_free(a->group_list[j].algorithm);
+ }
+ OPENSSL_free(a->group_list);
+
+ OPENSSL_free(a->sigalg_lookup_cache);
+
CRYPTO_THREAD_lock_free(a->lock);
+ OPENSSL_free(a->propq);
+
OPENSSL_free(a);
}
void ssl_set_masks(SSL *s)
{
CERT *c = s->cert;
- uint32_t *pvalid = s->s3->tmp.valid_flags;
+ uint32_t *pvalid = s->s3.tmp.valid_flags;
int rsa_enc, rsa_sign, dh_tmp, dsa_sign;
unsigned long mask_k, mask_a;
#ifndef OPENSSL_NO_EC
mask_k = 0;
mask_a = 0;
-#ifdef CIPHER_DEBUG
- fprintf(stderr, "dht=%d re=%d rs=%d ds=%d\n",
- dh_tmp, rsa_enc, rsa_sign, dsa_sign);
-#endif
+ OSSL_TRACE4(TLS_CIPHER, "dh_tmp=%d rsa_enc=%d rsa_sign=%d dsa_sign=%d\n",
+ dh_tmp, rsa_enc, rsa_sign, dsa_sign);
#ifndef OPENSSL_NO_GOST
if (ssl_has_cert(s, SSL_PKEY_GOST12_512)) {
- mask_k |= SSL_kGOST;
+ mask_k |= SSL_kGOST | SSL_kGOST18;
mask_a |= SSL_aGOST12;
}
if (ssl_has_cert(s, SSL_PKEY_GOST12_256)) {
- mask_k |= SSL_kGOST;
+ mask_k |= SSL_kGOST | SSL_kGOST18;
mask_a |= SSL_aGOST12;
}
if (ssl_has_cert(s, SSL_PKEY_GOST01)) {
mask_k |= SSL_kECDHEPSK;
#endif
- s->s3->tmp.mask_k = mask_k;
- s->s3->tmp.mask_a = mask_a;
+ s->s3.tmp.mask_k = mask_k;
+ s->s3.tmp.mask_a = mask_a;
}
#ifndef OPENSSL_NO_EC
int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s)
{
- if (s->s3->tmp.new_cipher->algorithm_auth & SSL_aECDSA) {
+ if (s->s3.tmp.new_cipher->algorithm_auth & SSL_aECDSA) {
/* key usage, if present, must allow signing */
if (!(X509_get_key_usage(x) & X509v3_KU_DIGITAL_SIGNATURE)) {
SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG,
int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo,
size_t *serverinfo_length)
{
- CERT_PKEY *cpk = s->s3->tmp.cert;
+ CERT_PKEY *cpk = s->s3.tmp.cert;
*serverinfo_length = 0;
if (cpk == NULL || cpk->serverinfo == NULL)
}
}
-const SSL_METHOD *SSL_CTX_get_ssl_method(SSL_CTX *ctx)
+const SSL_METHOD *SSL_CTX_get_ssl_method(const SSL_CTX *ctx)
{
return ctx->method;
}
-const SSL_METHOD *SSL_get_ssl_method(SSL *s)
+const SSL_METHOD *SSL_get_ssl_method(const SSL *s)
{
return s->method;
}
return SSL_ERROR_WANT_CLIENT_HELLO_CB;
if ((s->shutdown & SSL_RECEIVED_SHUTDOWN) &&
- (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY))
+ (s->s3.warn_alert == SSL_AD_CLOSE_NOTIFY))
return SSL_ERROR_ZERO_RETURN;
return SSL_ERROR_SYSCALL;
goto err;
ret->version = s->version;
ret->options = s->options;
+ ret->min_proto_version = s->min_proto_version;
+ ret->max_proto_version = s->max_proto_version;
ret->mode = s->mode;
SSL_set_max_cert_list(ret, SSL_get_max_cert_list(s));
SSL_set_read_ahead(ret, SSL_get_read_ahead(s));
if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data))
goto err;
- /* setup rbio, and wbio */
- if (s->rbio != NULL) {
- if (!BIO_dup_state(s->rbio, (char *)&ret->rbio))
- goto err;
- }
- if (s->wbio != NULL) {
- if (s->wbio != s->rbio) {
- if (!BIO_dup_state(s->wbio, (char *)&ret->wbio))
- goto err;
- } else {
- BIO_up_ref(ret->rbio);
- ret->wbio = ret->rbio;
- }
- }
-
ret->server = s->server;
if (s->handshake_func) {
if (s->server)
const SSL_CIPHER *SSL_get_pending_cipher(const SSL *s)
{
- return s->s3->tmp.new_cipher;
+ return s->s3.tmp.new_cipher;
}
-const COMP_METHOD *SSL_get_current_compression(SSL *s)
+const COMP_METHOD *SSL_get_current_compression(const SSL *s)
{
#ifndef OPENSSL_NO_COMP
return s->compress ? COMP_CTX_get_method(s->compress) : NULL;
#endif
}
-const COMP_METHOD *SSL_get_current_expansion(SSL *s)
+const COMP_METHOD *SSL_get_current_expansion(const SSL *s)
{
#ifndef OPENSSL_NO_COMP
return s->expand ? COMP_CTX_get_method(s->expand) : NULL;
int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
{
- return X509_STORE_set_default_paths(ctx->cert_store);
+ return X509_STORE_set_default_paths_with_libctx(ctx->cert_store,
+ ctx->libctx, ctx->propq);
}
int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx)
lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_hash_dir());
if (lookup == NULL)
return 0;
+
+ /* We ignore errors, in case the directory doesn't exist */
+ ERR_set_mark();
+
X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
- /* Clear any errors if the default directory does not exist */
- ERR_clear_error();
+ ERR_pop_to_mark();
return 1;
}
if (lookup == NULL)
return 0;
- X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
+ /* We ignore errors, in case the directory doesn't exist */
+ ERR_set_mark();
- /* Clear any errors if the default file does not exist */
- ERR_clear_error();
+ X509_LOOKUP_load_file_with_libctx(lookup, NULL, X509_FILETYPE_DEFAULT,
+ ctx->libctx, ctx->propq);
+
+ ERR_pop_to_mark();
return 1;
}
+int SSL_CTX_set_default_verify_store(SSL_CTX *ctx)
+{
+ X509_LOOKUP *lookup;
+
+ lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_store());
+ if (lookup == NULL)
+ return 0;
+
+ /* We ignore errors, in case the directory doesn't exist */
+ ERR_set_mark();
+
+ X509_LOOKUP_add_store_with_libctx(lookup, NULL, ctx->libctx, ctx->propq);
+
+ ERR_pop_to_mark();
+
+ return 1;
+}
+
+int SSL_CTX_load_verify_file(SSL_CTX *ctx, const char *CAfile)
+{
+ return X509_STORE_load_file_with_libctx(ctx->cert_store, CAfile,
+ ctx->libctx, ctx->propq);
+}
+
+int SSL_CTX_load_verify_dir(SSL_CTX *ctx, const char *CApath)
+{
+ return X509_STORE_load_path(ctx->cert_store, CApath);
+}
+
+int SSL_CTX_load_verify_store(SSL_CTX *ctx, const char *CAstore)
+{
+ return X509_STORE_load_store_with_libctx(ctx->cert_store, CAstore,
+ ctx->libctx, ctx->propq);
+}
+
int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
const char *CApath)
{
- return X509_STORE_load_locations(ctx->cert_store, CAfile, CApath);
+ if (CAfile == NULL && CApath == NULL)
+ return 0;
+ if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile))
+ return 0;
+ if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath))
+ return 0;
+ return 1;
}
void SSL_set_info_callback(SSL *ssl,
size_t SSL_get_client_random(const SSL *ssl, unsigned char *out, size_t outlen)
{
if (outlen == 0)
- return sizeof(ssl->s3->client_random);
- if (outlen > sizeof(ssl->s3->client_random))
- outlen = sizeof(ssl->s3->client_random);
- memcpy(out, ssl->s3->client_random, outlen);
+ return sizeof(ssl->s3.client_random);
+ if (outlen > sizeof(ssl->s3.client_random))
+ outlen = sizeof(ssl->s3.client_random);
+ memcpy(out, ssl->s3.client_random, outlen);
return outlen;
}
size_t SSL_get_server_random(const SSL *ssl, unsigned char *out, size_t outlen)
{
if (outlen == 0)
- return sizeof(ssl->s3->server_random);
- if (outlen > sizeof(ssl->s3->server_random))
- outlen = sizeof(ssl->s3->server_random);
- memcpy(out, ssl->s3->server_random, outlen);
+ return sizeof(ssl->s3.server_random);
+ if (outlen > sizeof(ssl->s3.server_random))
+ outlen = sizeof(ssl->s3.server_random);
+ memcpy(out, ssl->s3.server_random, outlen);
return outlen;
}
ctx->record_padding_arg = arg;
}
-void *SSL_CTX_get_record_padding_callback_arg(SSL_CTX *ctx)
+void *SSL_CTX_get_record_padding_callback_arg(const SSL_CTX *ctx)
{
return ctx->record_padding_arg;
}
return 1;
}
-void SSL_set_record_padding_callback(SSL *ssl,
+int SSL_set_record_padding_callback(SSL *ssl,
size_t (*cb) (SSL *ssl, int type,
size_t len, void *arg))
{
- ssl->record_padding_cb = cb;
+ BIO *b;
+
+ b = SSL_get_wbio(ssl);
+ if (b == NULL || !BIO_get_ktls_send(b)) {
+ ssl->record_padding_cb = cb;
+ return 1;
+ }
+ return 0;
}
void SSL_set_record_padding_callback_arg(SSL *ssl, void *arg)
ssl->record_padding_arg = arg;
}
-void *SSL_get_record_padding_callback_arg(SSL *ssl)
+void *SSL_get_record_padding_callback_arg(const SSL *ssl)
{
return ssl->record_padding_arg;
}
return 1;
}
-size_t SSL_get_num_tickets(SSL *s)
+size_t SSL_get_num_tickets(const SSL *s)
{
return s->num_tickets;
}
return 1;
}
-size_t SSL_CTX_get_num_tickets(SSL_CTX *ctx)
+size_t SSL_CTX_get_num_tickets(const SSL_CTX *ctx)
{
return ctx->num_tickets;
}
size_t *hashlen)
{
EVP_MD_CTX *ctx = NULL;
- EVP_MD_CTX *hdgst = s->s3->handshake_dgst;
+ EVP_MD_CTX *hdgst = s->s3.handshake_dgst;
int hashleni = EVP_MD_CTX_size(hdgst);
int ret = 0;
return ret;
}
-int SSL_session_reused(SSL *s)
+int SSL_session_reused(const SSL *s)
{
return s->hit;
}
return s->server;
}
-#if OPENSSL_API_COMPAT < 0x10100000L
+#ifndef OPENSSL_NO_DEPRECATED_1_1_0
void SSL_set_debug(SSL *s, int debug)
{
/* Old function was do-nothing anyway... */
}
}
- ctx = CT_POLICY_EVAL_CTX_new();
+ ctx = CT_POLICY_EVAL_CTX_new_with_libctx(s->ctx->libctx, s->ctx->propq);
if (ctx == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_VALIDATE_CT,
ERR_R_MALLOC_FAILURE);
if (ext->present)
num++;
}
+ if (num == 0) {
+ *out = NULL;
+ *outlen = 0;
+ return 1;
+ }
if ((present = OPENSSL_malloc(sizeof(*present) * num)) == NULL) {
SSLerr(SSL_F_SSL_CLIENT_HELLO_GET1_EXTENSIONS_PRESENT,
ERR_R_MALLOC_FAILURE);
{
return nss_keylog_int(label,
ssl,
- ssl->s3->client_random,
+ ssl->s3.client_random,
SSL3_RANDOM_SIZE,
secret,
secret_len);
return 0;
}
- OPENSSL_free(s->s3->tmp.ciphers_raw);
- s->s3->tmp.ciphers_raw = NULL;
- s->s3->tmp.ciphers_rawlen = 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;
* problem.
*/
raw = OPENSSL_malloc(numciphers * TLS_CIPHER_LEN);
- s->s3->tmp.ciphers_raw = raw;
+ s->s3.tmp.ciphers_raw = raw;
if (raw == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_CACHE_CIPHERLIST,
ERR_R_MALLOC_FAILURE);
return 0;
}
- for (s->s3->tmp.ciphers_rawlen = 0;
+ for (s->s3.tmp.ciphers_rawlen = 0;
PACKET_remaining(&sslv2ciphers) > 0;
raw += TLS_CIPHER_LEN) {
if (!PACKET_get_1(&sslv2ciphers, &leadbyte)
&& !PACKET_forward(&sslv2ciphers, TLS_CIPHER_LEN))) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_F_SSL_CACHE_CIPHERLIST,
SSL_R_BAD_PACKET);
- OPENSSL_free(s->s3->tmp.ciphers_raw);
- s->s3->tmp.ciphers_raw = NULL;
- s->s3->tmp.ciphers_rawlen = 0;
+ OPENSSL_free(s->s3.tmp.ciphers_raw);
+ s->s3.tmp.ciphers_raw = NULL;
+ s->s3.tmp.ciphers_rawlen = 0;
return 0;
}
if (leadbyte == 0)
- s->s3->tmp.ciphers_rawlen += TLS_CIPHER_LEN;
+ s->s3.tmp.ciphers_rawlen += TLS_CIPHER_LEN;
}
- } else if (!PACKET_memdup(cipher_suites, &s->s3->tmp.ciphers_raw,
- &s->s3->tmp.ciphers_rawlen)) {
+ } else if (!PACKET_memdup(cipher_suites, &s->s3.tmp.ciphers_raw,
+ &s->s3.tmp.ciphers_rawlen)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL_CACHE_CIPHERLIST,
ERR_R_INTERNAL_ERROR);
return 0;
ERR_clear_error();
- s->s3->flags |= TLS1_FLAGS_STATELESS;
+ s->s3.flags |= TLS1_FLAGS_STATELESS;
ret = SSL_accept(s);
- s->s3->flags &= ~TLS1_FLAGS_STATELESS;
+ s->s3.flags &= ~TLS1_FLAGS_STATELESS;
if (ret > 0 && s->ext.cookieok)
return 1;
s->allow_early_data_cb = cb;
s->allow_early_data_cb_data = arg;
}
+
+const EVP_CIPHER *ssl_evp_cipher_fetch(OPENSSL_CTX *libctx,
+ int nid,
+ const char *properties)
+{
+ EVP_CIPHER *ciph;
+
+#ifndef OPENSSL_NO_ENGINE
+ ENGINE *eng;
+
+ /*
+ * If there is an Engine available for this cipher we use the "implicit"
+ * form to ensure we use that engine later.
+ */
+ eng = ENGINE_get_cipher_engine(nid);
+ if (eng != NULL) {
+ ENGINE_finish(eng);
+ return EVP_get_cipherbynid(nid);
+ }
+#endif
+
+ /* Otherwise we do an explicit fetch. This may fail and that could be ok */
+ ERR_set_mark();
+ ciph = EVP_CIPHER_fetch(libctx, OBJ_nid2sn(nid), properties);
+ ERR_pop_to_mark();
+ return ciph;
+}
+
+
+int ssl_evp_cipher_up_ref(const EVP_CIPHER *cipher)
+{
+ /* Don't up-ref an implicit EVP_CIPHER */
+ if (EVP_CIPHER_provider(cipher) == NULL)
+ return 1;
+
+ /*
+ * The cipher was explicitly fetched and therefore it is safe to cast
+ * away the const
+ */
+ return EVP_CIPHER_up_ref((EVP_CIPHER *)cipher);
+}
+
+void ssl_evp_cipher_free(const EVP_CIPHER *cipher)
+{
+ if (cipher == NULL)
+ return;
+
+ if (EVP_CIPHER_provider(cipher) != NULL) {
+ /*
+ * The cipher was explicitly fetched and therefore it is safe to cast
+ * away the const
+ */
+ EVP_CIPHER_free((EVP_CIPHER *)cipher);
+ }
+}
+
+const EVP_MD *ssl_evp_md_fetch(OPENSSL_CTX *libctx,
+ int nid,
+ const char *properties)
+{
+ EVP_MD *md;
+
+#ifndef OPENSSL_NO_ENGINE
+ ENGINE *eng;
+
+ /*
+ * If there is an Engine available for this digest we use the "implicit"
+ * form to ensure we use that engine later.
+ */
+ eng = ENGINE_get_digest_engine(nid);
+ if (eng != NULL) {
+ ENGINE_finish(eng);
+ return EVP_get_digestbynid(nid);
+ }
+#endif
+
+ /* Otherwise we do an explicit fetch */
+ ERR_set_mark();
+ md = EVP_MD_fetch(libctx, OBJ_nid2sn(nid), properties);
+ ERR_pop_to_mark();
+ return md;
+}
+
+int ssl_evp_md_up_ref(const EVP_MD *md)
+{
+ /* Don't up-ref an implicit EVP_MD */
+ if (EVP_MD_provider(md) == NULL)
+ return 1;
+
+ /*
+ * The digest was explicitly fetched and therefore it is safe to cast
+ * away the const
+ */
+ return EVP_MD_up_ref((EVP_MD *)md);
+}
+
+void ssl_evp_md_free(const EVP_MD *md)
+{
+ if (md == NULL)
+ return;
+
+ if (EVP_MD_provider(md) != NULL) {
+ /*
+ * The digest was explicitly fetched and therefore it is safe to cast
+ * away the const
+ */
+ EVP_MD_free((EVP_MD *)md);
+ }
+}
projects / openssl.git / blobdiff