s->hit=0;
s->shutdown=0;
-#if 0 /* Disabled since version 1.10 of this file (early return not
- * needed because SSL_clear is not called when doing renegotiation) */
- /* This is set if we are doing dynamic renegotiation so keep
- * the old cipher. It is sort of a SSL_clear_lite :-) */
+#if 0
+ /*
+ * Disabled since version 1.10 of this file (early return not
+ * needed because SSL_clear is not called when doing renegotiation)
+ */
+ /*
+ * This is set if we are doing dynamic renegotiation so keep
+ * the old cipher. It is sort of a SSL_clear_lite :-)
+ */
if (s->renegotiate) return(1);
#else
if (s->renegotiate)
return(s);
err:
if (s != NULL)
- {
- if (s->cert != NULL)
- ssl_cert_free(s->cert);
- if (s->ctx != NULL)
- SSL_CTX_free(s->ctx); /* decrement reference count */
- OPENSSL_free(s);
- }
+ SSL_free(s);
SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);
return(NULL);
}
OPENSSL_free(s->next_proto_negotiated);
#endif
+#ifndef OPENSSL_NO_SRTP
if (s->srtp_profiles)
sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles);
+#endif
OPENSSL_free(s);
}
l=s->max_cert_list;
s->max_cert_list=larg;
return(l);
- case SSL_CTRL_SET_MTU:
-#ifndef OPENSSL_NO_DTLS1
- if (larg < (long)dtls1_min_mtu())
- return 0;
-#endif
-
- if (SSL_IS_DTLS(s))
- {
- s->d1->mtu = larg;
- return larg;
- }
- return 0;
case SSL_CTRL_SET_MAX_SEND_FRAGMENT:
if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH)
return 0;
SSL_CIPHER *c;
CERT *ct = s->cert;
unsigned char *q;
- int no_scsv = s->renegotiate;
+ int empty_reneg_info_scsv = !s->renegotiate;
/* Set disabled masks for this session */
ssl_set_client_disabled(s);
if (sk == NULL) return(0);
q=p;
+ if (put_cb == NULL)
+ put_cb = s->method->put_cipher_by_char;
for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
{
#ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
if (c->id == SSL3_CK_SCSV)
{
- if (no_scsv)
+ if (!empty_reneg_info_scsv)
continue;
else
- no_scsv = 1;
+ empty_reneg_info_scsv = 0;
}
#endif
- j = put_cb ? put_cb(c,p) : ssl_put_cipher_by_char(s,c,p);
+ j = put_cb(c,p);
p+=j;
}
- /* If p == q, no ciphers and caller indicates an error. Otherwise
- * add SCSV if not renegotiating.
- */
- if (p != q && !no_scsv)
+ /* If p == q, no ciphers; caller indicates an error.
+ * Otherwise, add applicable SCSVs. */
+ if (p != q)
{
- static SSL_CIPHER scsv =
+ if (empty_reneg_info_scsv)
{
- 0, NULL, SSL3_CK_SCSV, 0, 0, 0, 0, 0, 0, 0, 0, 0
- };
- j = put_cb ? put_cb(&scsv,p) : ssl_put_cipher_by_char(s,&scsv,p);
- p+=j;
+ static SSL_CIPHER scsv =
+ {
+ 0, NULL, SSL3_CK_SCSV, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ };
+ j = put_cb(&scsv,p);
+ p+=j;
#ifdef OPENSSL_RI_DEBUG
- fprintf(stderr, "SCSV sent by client\n");
+ fprintf(stderr, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV sent by client\n");
#endif
+ }
+ if (s->mode & SSL_MODE_SEND_FALLBACK_SCSV)
+ {
+ static SSL_CIPHER scsv =
+ {
+ 0, NULL, SSL3_CK_FALLBACK_SCSV, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ };
+ j = put_cb(&scsv,p);
+ p+=j;
+ }
}
return(p-q);
const SSL_CIPHER *c;
STACK_OF(SSL_CIPHER) *sk;
int i,n;
+
if (s->s3)
s->s3->send_connection_binding = 0;
n=ssl_put_cipher_by_char(s,NULL,NULL);
- if ((num%n) != 0)
+ if (n == 0 || (num%n) != 0)
{
SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
return(NULL);
for (i=0; i<num; i+=n)
{
- /* Check for SCSV */
+ /* Check for TLS_EMPTY_RENEGOTIATION_INFO_SCSV */
if (s->s3 && (n != 3 || !p[0]) &&
(p[n-2] == ((SSL3_CK_SCSV >> 8) & 0xff)) &&
(p[n-1] == (SSL3_CK_SCSV & 0xff)))
continue;
}
+ /* Check for TLS_FALLBACK_SCSV */
+ if ((n != 3 || !p[0]) &&
+ (p[n-2] == ((SSL3_CK_FALLBACK_SCSV >> 8) & 0xff)) &&
+ (p[n-1] == (SSL3_CK_FALLBACK_SCSV & 0xff)))
+ {
+ /* The SCSV indicates that the client previously tried a higher version.
+ * Fail if the current version is an unexpected downgrade. */
+ if (!SSL_ctrl(s, SSL_CTRL_CHECK_PROTO_VERSION, 0, NULL))
+ {
+ SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_INAPPROPRIATE_FALLBACK);
+ if (s->s3)
+ ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_INAPPROPRIATE_FALLBACK);
+ goto err;
+ }
+ p += n;
+ continue;
+ }
+
c=ssl_get_cipher_by_char(s,p);
p+=n;
if (c != NULL)
ret->quiet_shutdown=0;
/* ret->cipher=NULL;*/
-/* ret->s2->challenge=NULL;
+/*-
+ ret->s2->challenge=NULL;
ret->master_key=NULL;
ret->key_arg=NULL;
ret->s2->conn_id=NULL; */
a->comp_methods = NULL;
#endif
+#ifndef OPENSSL_NO_SRTP
if (a->srtp_profiles)
sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles);
+#endif
#ifndef OPENSSL_NO_PSK
if (a->psk_identity_hint)
#ifdef CIPHER_DEBUG
- printf("rt=%d rte=%d dht=%d ecdht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
+ fprintf(stderr,"rt=%d rte=%d dht=%d ecdht=%d re=%d ree=%d rs=%d ds=%d dhr=%d dhd=%d\n",
rsa_tmp,rsa_tmp_export,dh_tmp,have_ecdh_tmp,
rsa_enc,rsa_enc_export,rsa_sign,dsa_sign,dh_rsa,dh_dsa);
#endif
x = cpk->x509;
/* This call populates extension flags (ex_flags) */
X509_check_purpose(x, -1, 0);
+#ifndef OPENSSL_NO_ECDH
ecdh_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
(x->ex_kusage & X509v3_KU_KEY_AGREEMENT) : 1;
+#endif
ecdsa_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
(x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) : 1;
if (!(cpk->valid_flags & CERT_PKEY_SIGN))
SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX* ctx)
{
+ CERT *ocert = ssl->cert;
if (ssl->ctx == ctx)
return ssl->ctx;
#ifndef OPENSSL_NO_TLSEXT
if (ctx == NULL)
ctx = ssl->initial_ctx;
#endif
- if (ssl->cert != NULL)
- ssl_cert_free(ssl->cert);
ssl->cert = ssl_cert_dup(ctx->cert);
+ if (ocert)
+ {
+ /* Preserve any already negotiated parameters */
+ if (ssl->server)
+ {
+ ssl->cert->peer_sigalgs = ocert->peer_sigalgs;
+ ssl->cert->peer_sigalgslen = ocert->peer_sigalgslen;
+ ocert->peer_sigalgs = NULL;
+ ssl->cert->ciphers_raw = ocert->ciphers_raw;
+ ssl->cert->ciphers_rawlen = ocert->ciphers_rawlen;
+ ocert->ciphers_raw = NULL;
+ }
+ ssl_cert_free(ocert);
+ }
+
+ /*
+ * Program invariant: |sid_ctx| has fixed size (SSL_MAX_SID_CTX_LENGTH),
+ * so setter APIs must prevent invalid lengths from entering the system.
+ */
+ OPENSSL_assert(ssl->sid_ctx_length <= sizeof(ssl->sid_ctx));
+
+ /*
+ * If the session ID context matches that of the parent SSL_CTX,
+ * inherit it from the new SSL_CTX as well. If however the context does
+ * not match (i.e., it was set per-ssl with SSL_set_session_id_context),
+ * leave it unchanged.
+ */
+ if ((ssl->ctx != NULL) &&
+ (ssl->sid_ctx_length == ssl->ctx->sid_ctx_length) &&
+ (memcmp(ssl->sid_ctx, ssl->ctx->sid_ctx, ssl->sid_ctx_length) == 0))
+ {
+ ssl->sid_ctx_length = ctx->sid_ctx_length;
+ memcpy(&ssl->sid_ctx, &ctx->sid_ctx, sizeof(ssl->sid_ctx));
+ }
+
CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
if (ssl->ctx != NULL)
SSL_CTX_free(ssl->ctx); /* decrement reference count */
ssl->ctx = ctx;
+
return(ssl->ctx);
}
projects / openssl.git / blobdiff