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authorArne Schwabe <arne@rfc2549.org>2014-04-23 09:56:37 +0200
committerArne Schwabe <arne@rfc2549.org>2014-04-23 09:56:37 +0200
commite436c963f0976b885a7db04681344779e26dd3b5 (patch)
tree240663106f32e02e1c34080656f4ef21a2e1776e /main/openssl/ssl/ssl_lib.c
parent6a99715a9b072fa249e79c98cd9f03991f0f1219 (diff)
Update OpenSSL to 1.0.1g and statically link OpenVPN with it
Diffstat (limited to 'main/openssl/ssl/ssl_lib.c')
-rw-r--r--main/openssl/ssl/ssl_lib.c265
1 files changed, 227 insertions, 38 deletions
diff --git a/main/openssl/ssl/ssl_lib.c b/main/openssl/ssl/ssl_lib.c
index b169ba93..74523862 100644
--- a/main/openssl/ssl/ssl_lib.c
+++ b/main/openssl/ssl/ssl_lib.c
@@ -176,7 +176,10 @@ SSL3_ENC_METHOD ssl3_undef_enc_method={
0, /* client_finished_label_len */
NULL, /* server_finished_label */
0, /* server_finished_label_len */
- (int (*)(int))ssl_undefined_function
+ (int (*)(int))ssl_undefined_function,
+ (int (*)(SSL *, unsigned char *, size_t, const char *,
+ size_t, const unsigned char *, size_t,
+ int use_context)) ssl_undefined_function,
};
int SSL_clear(SSL *s)
@@ -202,9 +205,9 @@ int SSL_clear(SSL *s)
* 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->new_session) return(1);
+ if (s->renegotiate) return(1);
#else
- if (s->new_session)
+ if (s->renegotiate)
{
SSLerr(SSL_F_SSL_CLEAR,ERR_R_INTERNAL_ERROR);
return 0;
@@ -357,6 +360,17 @@ SSL *SSL_new(SSL_CTX *ctx)
# ifndef OPENSSL_NO_NEXTPROTONEG
s->next_proto_negotiated = NULL;
# endif
+
+ if (s->ctx->alpn_client_proto_list)
+ {
+ s->alpn_client_proto_list =
+ OPENSSL_malloc(s->ctx->alpn_client_proto_list_len);
+ if (s->alpn_client_proto_list == NULL)
+ goto err;
+ memcpy(s->alpn_client_proto_list, s->ctx->alpn_client_proto_list,
+ s->ctx->alpn_client_proto_list_len);
+ s->alpn_client_proto_list_len = s->ctx->alpn_client_proto_list_len;
+ }
#endif
s->verify_result=X509_V_OK;
@@ -576,6 +590,10 @@ void SSL_free(SSL *s)
sk_OCSP_RESPID_pop_free(s->tlsext_ocsp_ids, OCSP_RESPID_free);
if (s->tlsext_ocsp_resp)
OPENSSL_free(s->tlsext_ocsp_resp);
+ if (s->tlsext_channel_id_private)
+ EVP_PKEY_free(s->tlsext_channel_id_private);
+ if (s->alpn_client_proto_list)
+ OPENSSL_free(s->alpn_client_proto_list);
#endif
if (s->client_CA != NULL)
@@ -595,6 +613,11 @@ void SSL_free(SSL *s)
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);
}
@@ -1017,10 +1040,21 @@ int SSL_shutdown(SSL *s)
int SSL_renegotiate(SSL *s)
{
- if (s->new_session == 0)
- {
- s->new_session=1;
- }
+ if (s->renegotiate == 0)
+ s->renegotiate=1;
+
+ s->new_session=1;
+
+ return(s->method->ssl_renegotiate(s));
+ }
+
+int SSL_renegotiate_abbreviated(SSL *s)
+ {
+ if (s->renegotiate == 0)
+ s->renegotiate=1;
+
+ s->new_session=0;
+
return(s->method->ssl_renegotiate(s));
}
@@ -1028,7 +1062,7 @@ int SSL_renegotiate_pending(SSL *s)
{
/* becomes true when negotiation is requested;
* false again once a handshake has finished */
- return (s->new_session != 0);
+ return (s->renegotiate != 0);
}
long SSL_ctrl(SSL *s,int cmd,long larg,void *parg)
@@ -1063,6 +1097,11 @@ long SSL_ctrl(SSL *s,int cmd,long larg,void *parg)
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_version(s) == DTLS1_VERSION ||
SSL_version(s) == DTLS1_BAD_VER)
{
@@ -1390,6 +1429,10 @@ int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
{
c=sk_SSL_CIPHER_value(sk,i);
+ /* Skip TLS v1.2 only ciphersuites if lower than v1.2 */
+ if ((c->algorithm_ssl & SSL_TLSV1_2) &&
+ (TLS1_get_client_version(s) < TLS1_2_VERSION))
+ continue;
#ifndef OPENSSL_NO_KRB5
if (((c->algorithm_mkey & SSL_kKRB5) || (c->algorithm_auth & SSL_aKRB5)) &&
nokrb5)
@@ -1407,7 +1450,7 @@ int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
/* If p == q, no ciphers and caller indicates an error. Otherwise
* add SCSV if not renegotiating.
*/
- if (p != q && !s->new_session)
+ if (p != q && !s->renegotiate)
{
static SSL_CIPHER scsv =
{
@@ -1454,7 +1497,7 @@ STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
(p[n-1] == (SSL3_CK_SCSV & 0xff)))
{
/* SCSV fatal if renegotiating */
- if (s->new_session)
+ if (s->renegotiate)
{
SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING);
ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_HANDSHAKE_FAILURE);
@@ -1627,10 +1670,93 @@ void SSL_CTX_set_next_proto_select_cb(SSL_CTX *ctx, int (*cb) (SSL *s, unsigned
ctx->next_proto_select_cb = cb;
ctx->next_proto_select_cb_arg = arg;
}
-
# endif
+
+/* SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|.
+ * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
+ * length-prefixed strings).
+ *
+ * Returns 0 on success. */
+int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char* protos,
+ unsigned protos_len)
+ {
+ if (ctx->alpn_client_proto_list)
+ OPENSSL_free(ctx->alpn_client_proto_list);
+
+ ctx->alpn_client_proto_list = OPENSSL_malloc(protos_len);
+ if (!ctx->alpn_client_proto_list)
+ return 1;
+ memcpy(ctx->alpn_client_proto_list, protos, protos_len);
+ ctx->alpn_client_proto_list_len = protos_len;
+
+ return 0;
+ }
+
+/* SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|.
+ * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
+ * length-prefixed strings).
+ *
+ * Returns 0 on success. */
+int SSL_set_alpn_protos(SSL *ssl, const unsigned char* protos,
+ unsigned protos_len)
+ {
+ if (ssl->alpn_client_proto_list)
+ OPENSSL_free(ssl->alpn_client_proto_list);
+
+ ssl->alpn_client_proto_list = OPENSSL_malloc(protos_len);
+ if (!ssl->alpn_client_proto_list)
+ return 1;
+ memcpy(ssl->alpn_client_proto_list, protos, protos_len);
+ ssl->alpn_client_proto_list_len = protos_len;
+
+ return 0;
+ }
+
+/* SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is called
+ * during ClientHello processing in order to select an ALPN protocol from the
+ * client's list of offered protocols. */
+void SSL_CTX_set_alpn_select_cb(SSL_CTX* ctx,
+ int (*cb) (SSL *ssl,
+ const unsigned char **out,
+ unsigned char *outlen,
+ const unsigned char *in,
+ unsigned int inlen,
+ void *arg),
+ void *arg)
+ {
+ ctx->alpn_select_cb = cb;
+ ctx->alpn_select_cb_arg = arg;
+ }
+
+/* SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from |ssl|.
+ * On return it sets |*data| to point to |*len| bytes of protocol name (not
+ * including the leading length-prefix byte). If the server didn't respond with
+ * a negotiated protocol then |*len| will be zero. */
+void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data,
+ unsigned *len)
+ {
+ *data = NULL;
+ if (ssl->s3)
+ *data = ssl->s3->alpn_selected;
+ if (*data == NULL)
+ *len = 0;
+ else
+ *len = ssl->s3->alpn_selected_len;
+ }
#endif
+int SSL_export_keying_material(SSL *s, unsigned char *out, size_t olen,
+ const char *label, size_t llen, const unsigned char *p, size_t plen,
+ int use_context)
+ {
+ if (s->version < TLS1_VERSION)
+ return -1;
+
+ return s->method->ssl3_enc->export_keying_material(s, out, olen, label,
+ llen, p, plen,
+ use_context);
+ }
+
static unsigned long ssl_session_hash(const SSL_SESSION *a)
{
unsigned long l;
@@ -1674,6 +1800,14 @@ SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
return(NULL);
}
+#ifdef OPENSSL_FIPS
+ if (FIPS_mode() && (meth->version < TLS1_VERSION))
+ {
+ SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE);
+ return NULL;
+ }
+#endif
+
if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0)
{
SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
@@ -1777,7 +1911,9 @@ SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data);
ret->extra_certs=NULL;
- ret->comp_methods=SSL_COMP_get_compression_methods();
+ /* No compression for DTLS */
+ if (meth->version != DTLS1_VERSION)
+ ret->comp_methods=SSL_COMP_get_compression_methods();
ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH;
@@ -1803,6 +1939,9 @@ SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
ret->psk_client_callback=NULL;
ret->psk_server_callback=NULL;
#endif
+#ifndef OPENSSL_NO_SRP
+ SSL_CTX_SRP_CTX_init(ret);
+#endif
#ifndef OPENSSL_NO_BUF_FREELISTS
ret->freelist_max_len = SSL_MAX_BUF_FREELIST_LEN_DEFAULT;
ret->rbuf_freelist = OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST));
@@ -1931,10 +2070,18 @@ void SSL_CTX_free(SSL_CTX *a)
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)
OPENSSL_free(a->psk_identity_hint);
#endif
+#ifndef OPENSSL_NO_SRP
+ SSL_CTX_SRP_CTX_free(a);
+#endif
#ifndef OPENSSL_NO_ENGINE
if (a->client_cert_engine)
ENGINE_finish(a->client_cert_engine);
@@ -1947,6 +2094,13 @@ void SSL_CTX_free(SSL_CTX *a)
ssl_buf_freelist_free(a->rbuf_freelist);
#endif
+#ifndef OPENSSL_NO_TLSEXT
+ if (a->tlsext_channel_id_private)
+ EVP_PKEY_free(a->tlsext_channel_id_private);
+ if (a->alpn_client_proto_list != NULL)
+ OPENSSL_free(a->alpn_client_proto_list);
+#endif
+
OPENSSL_free(a);
}
@@ -2188,12 +2342,13 @@ void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher)
#ifndef OPENSSL_NO_EC
-int ssl_check_srvr_ecc_cert_and_alg(X509 *x, const SSL_CIPHER *cs)
+int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s)
{
unsigned long alg_k, alg_a;
EVP_PKEY *pkey = NULL;
int keysize = 0;
int signature_nid = 0, md_nid = 0, pk_nid = 0;
+ const SSL_CIPHER *cs = s->s3->tmp.new_cipher;
alg_k = cs->algorithm_mkey;
alg_a = cs->algorithm_auth;
@@ -2223,7 +2378,7 @@ int ssl_check_srvr_ecc_cert_and_alg(X509 *x, const SSL_CIPHER *cs)
SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT);
return 0;
}
- if (alg_k & SSL_kECDHe)
+ if ((alg_k & SSL_kECDHe) && TLS1_get_version(s) < TLS1_2_VERSION)
{
/* signature alg must be ECDSA */
if (pk_nid != NID_X9_62_id_ecPublicKey)
@@ -2232,7 +2387,7 @@ int ssl_check_srvr_ecc_cert_and_alg(X509 *x, const SSL_CIPHER *cs)
return 0;
}
}
- if (alg_k & SSL_kECDHr)
+ if ((alg_k & SSL_kECDHr) && TLS1_get_version(s) < TLS1_2_VERSION)
{
/* signature alg must be RSA */
@@ -2259,7 +2414,7 @@ int ssl_check_srvr_ecc_cert_and_alg(X509 *x, const SSL_CIPHER *cs)
#endif
/* THIS NEEDS CLEANING UP */
-X509 *ssl_get_server_send_cert(SSL *s)
+CERT_PKEY *ssl_get_server_send_pkey(const SSL *s)
{
unsigned long alg_k,alg_a;
CERT *c;
@@ -2314,15 +2469,23 @@ X509 *ssl_get_server_send_cert(SSL *s)
i=SSL_PKEY_GOST01;
else /* if (alg_a & SSL_aNULL) */
{
- SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_SSL_GET_SERVER_SEND_PKEY,ERR_R_INTERNAL_ERROR);
return(NULL);
}
- if (c->pkeys[i].x509 == NULL) return(NULL);
- return(c->pkeys[i].x509);
+ return c->pkeys + i;
+ }
+
+X509 *ssl_get_server_send_cert(const SSL *s)
+ {
+ CERT_PKEY *cpk;
+ cpk = ssl_get_server_send_pkey(s);
+ if (!cpk)
+ return NULL;
+ return cpk->x509;
}
-EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *cipher)
+EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *cipher, const EVP_MD **pmd)
{
unsigned long alg_a;
CERT *c;
@@ -2330,26 +2493,37 @@ EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *cipher)
alg_a = cipher->algorithm_auth;
c=s->cert;
+ /* SHA1 is the default for all signature algorithms up to TLS 1.2,
+ * except RSA which is handled specially in s3_srvr.c */
+ if (pmd)
+ *pmd = EVP_sha1();
+
if ((alg_a & SSL_aDSS) &&
- (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
- return(c->pkeys[SSL_PKEY_DSA_SIGN].privatekey);
+ (c->pkeys[SSL_PKEY_DSA_SIGN].privatekey != NULL))
+ {
+ if (pmd && s->s3 && s->s3->digest_dsa)
+ *pmd = s->s3->digest_dsa;
+ return c->pkeys[SSL_PKEY_DSA_SIGN].privatekey;
+ }
else if (alg_a & SSL_aRSA)
{
+ if (pmd && s->s3 && s->s3->digest_rsa)
+ *pmd = s->s3->digest_rsa;
if (c->pkeys[SSL_PKEY_RSA_SIGN].privatekey != NULL)
- return(c->pkeys[SSL_PKEY_RSA_SIGN].privatekey);
- else if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
- return(c->pkeys[SSL_PKEY_RSA_ENC].privatekey);
- else
- return(NULL);
+ return c->pkeys[SSL_PKEY_RSA_SIGN].privatekey;
+ if (c->pkeys[SSL_PKEY_RSA_ENC].privatekey != NULL)
+ return c->pkeys[SSL_PKEY_RSA_ENC].privatekey;
}
else if ((alg_a & SSL_aECDSA) &&
(c->pkeys[SSL_PKEY_ECC].privatekey != NULL))
- return(c->pkeys[SSL_PKEY_ECC].privatekey);
- else /* if (alg_a & SSL_aNULL) */
{
- SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR);
- return(NULL);
+ if (pmd && s->s3 && s->s3->digest_ecdsa)
+ *pmd = s->s3->digest_ecdsa;
+ return c->pkeys[SSL_PKEY_ECC].privatekey;
}
+
+ SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR);
+ return(NULL);
}
void ssl_update_cache(SSL *s,int mode)
@@ -2574,7 +2748,11 @@ SSL_METHOD *ssl_bad_method(int ver)
static const char *ssl_get_version(int version)
{
- if (version == TLS1_VERSION)
+ if (version == TLS1_2_VERSION)
+ return("TLSv1.2");
+ else if (version == TLS1_1_VERSION)
+ return("TLSv1.1");
+ else if (version == TLS1_VERSION)
return("TLSv1");
else if (version == SSL3_VERSION)
return("SSLv3");
@@ -2602,12 +2780,8 @@ const char* SSL_authentication_method(const SSL* ssl)
{
case SSL2_VERSION:
return SSL_TXT_RSA;
- case SSL3_VERSION:
- case TLS1_VERSION:
- case DTLS1_VERSION:
- return SSL_CIPHER_authentication_method(ssl->s3->tmp.new_cipher);
default:
- return "UNKNOWN";
+ return SSL_CIPHER_authentication_method(ssl->s3->tmp.new_cipher);
}
}
@@ -2695,6 +2869,7 @@ SSL *SSL_dup(SSL *s)
ret->in_handshake = s->in_handshake;
ret->handshake_func = s->handshake_func;
ret->server = s->server;
+ ret->renegotiate = s->renegotiate;
ret->new_session = s->new_session;
ret->quiet_shutdown = s->quiet_shutdown;
ret->shutdown=s->shutdown;
@@ -2960,6 +3135,11 @@ int SSL_state(const SSL *ssl)
return(ssl->state);
}
+void SSL_set_state(SSL *ssl, int state)
+ {
+ ssl->state = state;
+ }
+
void SSL_set_verify_result(SSL *ssl,long arg)
{
ssl->verify_result=arg;
@@ -3231,6 +3411,16 @@ void ssl_clear_hash_ctx(EVP_MD_CTX **hash)
*hash=NULL;
}
+void SSL_set_debug(SSL *s, int debug)
+ {
+ s->debug = debug;
+ }
+
+int SSL_cache_hit(SSL *s)
+ {
+ return s->hit;
+ }
+
#if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16)
#include "../crypto/bio/bss_file.c"
#endif
@@ -3239,4 +3429,3 @@ IMPLEMENT_STACK_OF(SSL_CIPHER)
IMPLEMENT_STACK_OF(SSL_COMP)
IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER,
ssl_cipher_id);
-