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use TLS1_get_version macro to check version so TLS v1.2 changes don't interfere with DTLS

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This commit is contained in:
Dr. Stephen Henson 2011-05-25 11:43:07 +00:00
parent 87f6b97e89
commit 238b63613b
6 changed files with 22 additions and 20 deletions
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13
ssl/s3_clnt.c
View File

@ -928,7 +928,7 @@ int ssl3_get_server_hello(SSL *s)
/* Don't digest cached records if TLS v1.2: we may need them for
* client authentication.
*/
if (s->version < TLS1_2_VERSION && !ssl3_digest_cached_records(s))
if (TLS1_get_version(s) < TLS1_2_VERSION && !ssl3_digest_cached_records(s))
goto f_err;
/* lets get the compression algorithm */
/* COMPRESSION */
@ -1659,7 +1659,7 @@ int ssl3_get_key_exchange(SSL *s)
/* if it was signed, check the signature */
if (pkey != NULL)
{
if (s->version >= TLS1_2_VERSION)
if (TLS1_get_version(s) >= TLS1_2_VERSION)
{
int sigalg = tls12_get_sigid(pkey);
/* Should never happen */
@ -1704,7 +1704,7 @@ fprintf(stderr, "USING TLSv1.2 HASH %s\n", EVP_MD_name(md));
}
#ifndef OPENSSL_NO_RSA
if (pkey->type == EVP_PKEY_RSA && s->version < TLS1_2_VERSION)
if (pkey->type == EVP_PKEY_RSA && TLS1_get_version(s) < TLS1_2_VERSION)
{
int num;
@ -1864,8 +1864,7 @@ int ssl3_get_certificate_request(SSL *s)
for (i=0; i<ctype_num; i++)
s->s3->tmp.ctype[i]= p[i];
p+=ctype_num;
/* HACK! For now just skip over signatature algorithms */
if (s->version >= TLS1_2_VERSION)
if (TLS1_get_version(s) >= TLS1_2_VERSION)
{
n2s(p, llen);
/* Check we have enough room for signature algorithms and
@ -2886,7 +2885,7 @@ int ssl3_send_client_verify(SSL *s)
EVP_PKEY_sign_init(pctx);
if (EVP_PKEY_CTX_set_signature_md(pctx, EVP_sha1())>0)
{
if (s->version < TLS1_2_VERSION)
if (TLS1_get_version(s) < TLS1_2_VERSION)
s->method->ssl3_enc->cert_verify_mac(s,
NID_sha1,
&(data[MD5_DIGEST_LENGTH]));
@ -2898,7 +2897,7 @@ int ssl3_send_client_verify(SSL *s)
/* For TLS v1.2 send signature algorithm and signature
* using agreed digest and cached handshake records.
*/
if (s->version >= TLS1_2_VERSION)
if (TLS1_get_version(s) >= TLS1_2_VERSION)
{
long hdatalen = 0;
void *hdata;

2
ssl/s3_lib.c
View File

@ -3780,7 +3780,7 @@ need to go to SSL_ST_ACCEPT.
long ssl_get_algorithm2(SSL *s)
{
long alg2 = s->s3->tmp.new_cipher->algorithm2;
if (s->version >= TLS1_2_VERSION &&
if (TLS1_get_version(s) >= TLS1_2_VERSION &&
alg2 == (SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF))
return SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256;
return alg2;

16
ssl/s3_srvr.c
View File

@ -611,7 +611,7 @@ int ssl3_accept(SSL *s)
#endif
s->init_num = 0;
}
else if (s->version >= TLS1_2_VERSION)
else if (TLS1_get_version(s) >= TLS1_2_VERSION)
{
s->state=SSL3_ST_SR_CERT_VRFY_A;
s->init_num=0;
@ -1380,7 +1380,7 @@ int ssl3_get_client_hello(SSL *s)
s->s3->tmp.new_cipher=s->session->cipher;
}
if (s->version < TLS1_2_VERSION || !(s->verify_mode & SSL_VERIFY_PEER))
if (TLS1_get_version(s) < TLS1_2_VERSION || !(s->verify_mode & SSL_VERIFY_PEER))
{
if (!ssl3_digest_cached_records(s))
goto f_err;
@ -1915,7 +1915,7 @@ int ssl3_send_server_key_exchange(SSL *s)
* and p points to the space at the end. */
#ifndef OPENSSL_NO_RSA
if (pkey->type == EVP_PKEY_RSA
&& s->version < TLS1_2_VERSION)
&& TLS1_get_version(s) < TLS1_2_VERSION)
{
q=md_buf;
j=0;
@ -1948,7 +1948,7 @@ int ssl3_send_server_key_exchange(SSL *s)
{
/* For TLS1.2 and later send signature
* algorithm */
if (s->version >= TLS1_2_VERSION)
if (TLS1_get_version(s) >= TLS1_2_VERSION)
{
if (!tls12_get_sigandhash(p, pkey, md))
{
@ -1975,7 +1975,7 @@ int ssl3_send_server_key_exchange(SSL *s)
}
s2n(i,p);
n+=i+2;
if (s->version >= TLS1_2_VERSION)
if (TLS1_get_version(s) >= TLS1_2_VERSION)
n+= 2;
}
else
@ -2031,7 +2031,7 @@ int ssl3_send_certificate_request(SSL *s)
p+=n;
n++;
if (s->version >= TLS1_2_VERSION)
if (TLS1_get_version(s) >= TLS1_2_VERSION)
{
nl = tls12_get_req_sig_algs(s, p + 2);
s2n(nl, p);
@ -2964,7 +2964,7 @@ int ssl3_get_cert_verify(SSL *s)
}
else
{
if (s->version >= TLS1_2_VERSION)
if (TLS1_get_version(s) >= TLS1_2_VERSION)
{
int sigalg = tls12_get_sigid(pkey);
/* Should never happen */
@ -3011,7 +3011,7 @@ fprintf(stderr, "USING TLSv1.2 HASH %s\n", EVP_MD_name(md));
goto f_err;
}
if (s->version >= TLS1_2_VERSION)
if (TLS1_get_version(s) >= TLS1_2_VERSION)
{
long hdatalen = 0;
void *hdata;

4
ssl/ssl_lib.c
View File

@ -2226,7 +2226,7 @@ int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s)
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) && s->version < TLS1_2_VERSION)
if ((alg_k & SSL_kECDHe) && TLS1_get_version(s) < TLS1_2_VERSION)
{
/* signature alg must be ECDSA */
if (signature_nid != NID_ecdsa_with_SHA1)
@ -2235,7 +2235,7 @@ int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s)
return 0;
}
}
if ((alg_k & SSL_kECDHr) && s->version < TLS1_2_VERSION)
if ((alg_k & SSL_kECDHr) && TLS1_get_version(s) < TLS1_2_VERSION)
{
/* signature alg must be RSA */

4
ssl/t1_lib.c
View File

@ -502,7 +502,7 @@ unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, unsigned cha
}
skip_ext:
if (s->version >= TLS1_2_VERSION)
if (TLS1_get_version(s) >= TLS1_2_VERSION)
{
if ((size_t)(limit - ret) < sizeof(tls12_sigalgs) + 6)
return NULL;
@ -2100,7 +2100,7 @@ int tls1_process_sigalgs(SSL *s, const unsigned char *data, int dsize)
const EVP_MD *md;
CERT *c = s->cert;
/* Extension ignored for TLS versions below 1.2 */
if (s->version < TLS1_2_VERSION)
if (TLS1_get_version(s) < TLS1_2_VERSION)
return 1;
/* Should never happen */
if (!c)

3
ssl/tls1.h
View File

@ -171,6 +171,9 @@ extern "C" {
#define TLS1_VERSION_MAJOR 0x03
#define TLS1_VERSION_MINOR 0x01
#define TLS1_get_version(s) \
((s->version >> 8) == TLS1_VERSION_MAJOR ? s->version : 0)
#define TLS1_AD_DECRYPTION_FAILED 21
#define TLS1_AD_RECORD_OVERFLOW 22
#define TLS1_AD_UNKNOWN_CA 48 /* fatal */