#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 "internal/cryptlib.h"
-#include "internal/rand.h"
#include "internal/refcount.h"
const char SSL_version_str[] = OPENSSL_VERSION_TEXT;
goto err;
}
- /*
- * If not using the standard RAND (say for fuzzing), then don't use a
- * chained DRBG.
- */
- if (RAND_get_rand_method() == RAND_OpenSSL()) {
- s->drbg =
- RAND_DRBG_new(RAND_DRBG_NID, 0, RAND_DRBG_get0_public());
- if (s->drbg == NULL
- || RAND_DRBG_instantiate(s->drbg,
- (const unsigned char *) SSL_version_str,
- sizeof(SSL_version_str) - 1) == 0)
- goto err;
- }
-
RECORD_LAYER_init(&s->rlayer, s);
s->options = ctx->options;
if (s == NULL)
return;
-
CRYPTO_DOWN_REF(&s->references, &i, s->lock);
REF_PRINT_COUNT("SSL", s);
if (i > 0)
sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles);
#endif
- RAND_DRBG_free(s->drbg);
CRYPTO_THREAD_lock_free(s->lock);
OPENSSL_free(s);
return 1;
}
-static int ciphersuite_cb(const char *elem, int len, void *arg)
-{
- STACK_OF(SSL_CIPHER) *ciphersuites = (STACK_OF(SSL_CIPHER) *)arg;
- const SSL_CIPHER *cipher;
- /* Arbitrary sized temp buffer for the cipher name. Should be big enough */
- char name[80];
-
- if (len > (int)(sizeof(name) - 1)) {
- SSLerr(SSL_F_CIPHERSUITE_CB, SSL_R_NO_CIPHER_MATCH);
- return 0;
- }
-
- memcpy(name, elem, len);
- name[len] = '\0';
-
- cipher = ssl3_get_cipher_by_std_name(name);
- if (cipher == NULL) {
- SSLerr(SSL_F_CIPHERSUITE_CB, SSL_R_NO_CIPHER_MATCH);
- return 0;
- }
-
- if (!sk_SSL_CIPHER_push(ciphersuites, cipher)) {
- SSLerr(SSL_F_CIPHERSUITE_CB, ERR_R_INTERNAL_ERROR);
- return 0;
- }
-
- return 1;
-}
-
-static int set_ciphersuites(STACK_OF(SSL_CIPHER) **currciphers, const char *str)
-{
- STACK_OF(SSL_CIPHER) *newciphers = sk_SSL_CIPHER_new_null();
-
- if (newciphers == NULL)
- return 0;
-
- /* Parse the list. We explicitly allow an empty list */
- if (*str != '\0'
- && !CONF_parse_list(str, ':', 1, ciphersuite_cb, newciphers)) {
- sk_SSL_CIPHER_free(newciphers);
- return 0;
- }
- sk_SSL_CIPHER_free(*currciphers);
- *currciphers = newciphers;
-
- return 1;
-}
-
-static int update_cipher_list(STACK_OF(SSL_CIPHER) *cipher_list,
- STACK_OF(SSL_CIPHER) *tls13_ciphersuites)
-{
- int i;
-
- /*
- * Delete any existing TLSv1.3 ciphersuites. These are always first in the
- * list.
- */
- while (sk_SSL_CIPHER_num(cipher_list) > 0
- && sk_SSL_CIPHER_value(cipher_list, 0)->min_tls == TLS1_3_VERSION)
- sk_SSL_CIPHER_delete(cipher_list, 0);
-
- /* Insert the new TLSv1.3 ciphersuites */
- for (i = 0; i < sk_SSL_CIPHER_num(tls13_ciphersuites); i++)
- sk_SSL_CIPHER_insert(cipher_list,
- sk_SSL_CIPHER_value(tls13_ciphersuites, i), i);
-
- return 1;
-}
-
-int SSL_CTX_set_ciphersuites(SSL_CTX *ctx, const char *str)
-{
- int ret = set_ciphersuites(&(ctx->tls13_ciphersuites), str);
-
- if (ret && ctx->cipher_list != NULL) {
- /* We already have a cipher_list, so we need to update it */
- return update_cipher_list(ctx->cipher_list, ctx->tls13_ciphersuites);
- }
-
- return ret;
-}
-
-int SSL_set_ciphersuites(SSL *s, const char *str)
-{
- int ret = set_ciphersuites(&(s->tls13_ciphersuites), str);
-
- if (ret && s->cipher_list != NULL) {
- /* We already have a cipher_list, so we need to update it */
- return update_cipher_list(s->cipher_list, s->tls13_ciphersuites);
- }
-
- return ret;
-}
-
char *SSL_get_shared_ciphers(const SSL *s, char *buf, int len)
{
char *p;
goto err;
#endif
- if (!SSL_CTX_set_ciphersuites(ret,
- "TLS_AES_256_GCM_SHA384:"
- "TLS_CHACHA20_POLY1305_SHA256:"
- "TLS_AES_128_GCM_SHA256"))
+ if (!SSL_CTX_set_ciphersuites(ret, TLS_DEFAULT_CIPHERSUITES))
goto err;
if (!ssl_create_cipher_list(ret->method,
if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data))
goto err;
+ if ((ret->ext.secure = OPENSSL_secure_zalloc(sizeof(*ret->ext.secure))) == NULL)
+ goto err;
+
/* No compression for DTLS */
if (!(meth->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS))
ret->comp_methods = SSL_COMP_get_compression_methods();
/* Setup RFC5077 ticket keys */
if ((RAND_bytes(ret->ext.tick_key_name,
sizeof(ret->ext.tick_key_name)) <= 0)
- || (RAND_bytes(ret->ext.tick_hmac_key,
- sizeof(ret->ext.tick_hmac_key)) <= 0)
- || (RAND_bytes(ret->ext.tick_aes_key,
- sizeof(ret->ext.tick_aes_key)) <= 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))
ret->options |= SSL_OP_NO_TICKET;
- if (RAND_bytes(ret->ext.cookie_hmac_key,
+ if (RAND_priv_bytes(ret->ext.cookie_hmac_key,
sizeof(ret->ext.cookie_hmac_key)) <= 0)
goto err;
*/
ret->max_early_data = 0;
+ ssl_ctx_system_config(ret);
+
return ret;
err:
SSLerr(SSL_F_SSL_CTX_NEW, ERR_R_MALLOC_FAILURE);
OPENSSL_free(a->ext.supportedgroups);
#endif
OPENSSL_free(a->ext.alpn);
+ OPENSSL_secure_free(a->ext.secure);
CRYPTO_THREAD_lock_free(a->lock);
if (s->session->session_id_length == 0)
return;
+ /*
+ * If sid_ctx_length is 0 there is no specific application context
+ * associated with this session, so when we try to resume it and
+ * SSL_VERIFY_PEER is requested, we have no indication that this is
+ * actually a session for the proper application context, and the
+ * *handshake* will fail, not just the resumption attempt.
+ * Do not cache these sessions that are not resumable.
+ */
+ if (s->session->sid_ctx_length == 0
+ && (s->verify_mode & SSL_VERIFY_PEER) != 0)
+ return;
+
i = s->session_ctx->session_cache_mode;
if ((i & mode) != 0
&& (!s->hit || SSL_IS_TLS13(s))
if (ext->present)
num++;
}
- present = OPENSSL_malloc(sizeof(*present) * num);
- if (present == NULL)
+ if ((present = OPENSSL_malloc(sizeof(*present) * num)) == NULL) {
+ SSLerr(SSL_F_SSL_CLIENT_HELLO_GET1_EXTENSIONS_PRESENT,
+ ERR_R_MALLOC_FAILURE);
return 0;
+ }
for (i = 0; i < s->clienthello->pre_proc_exts_len; i++) {
ext = s->clienthello->pre_proc_exts + i;
if (ext->present) {
return s->max_early_data;
}
-int ssl_randbytes(SSL *s, unsigned char *rnd, size_t size)
-{
- if (s->drbg != NULL) {
- /*
- * Currently, it's the duty of the caller to serialize the generate
- * requests to the DRBG. So formally we have to check whether
- * s->drbg->lock != NULL and take the lock if this is the case.
- * However, this DRBG is unique to a given SSL object, and we already
- * require that SSL objects are only accessed by a single thread at
- * a given time. Also, SSL DRBGs have no child DRBG, so there is
- * no risk that this DRBG is accessed by a child DRBG in parallel
- * for reseeding. As such, we can rely on the application's
- * serialization of SSL accesses for the needed concurrency protection
- * here.
- */
- return RAND_DRBG_bytes(s->drbg, rnd, size);
- }
- if (size > INT_MAX)
- return 0;
- return RAND_bytes(rnd, size);
-}
-
__owur unsigned int ssl_get_max_send_fragment(const SSL *ssl)
{
/* Return any active Max Fragment Len extension */
projects / openssl.git / blobdiff