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Add Kerberos fix which was in 0.9.8-stable but never committed to HEAD and

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1.0.0. Original fix was on 2007-Mar-09 and had the log message: "Fix kerberos
ciphersuite bugs introduced with PR:1336."
This commit is contained in:
Dr. Stephen Henson 2010-02-27 23:02:41 +00:00
parent 48435b2098
commit c1ca9d3238
3 changed files with 15 additions and 11 deletions
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3
apps/verify.c
View File

@ -350,6 +350,9 @@ static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx)
case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION:
ok = 1;
case X509_V_ERR_KEYUSAGE_NO_CERTSIGN:
ok = 1;
}
return ok;

18
ssl/s3_clnt.c
View File

@ -981,7 +981,9 @@ int ssl3_get_server_certificate(SSL *s)
if (!ok) return((int)n);
if (s->s3->tmp.message_type == SSL3_MT_SERVER_KEY_EXCHANGE)
if ((s->s3->tmp.message_type == SSL3_MT_SERVER_KEY_EXCHANGE) ||
((s->s3->tmp.new_cipher->algorithms & SSL_aKRB5) &&
(s->s3->tmp.message_type == SSL3_MT_SERVER_DONE)))
{
s->s3->tmp.reuse_message=1;
return(1);
@ -2868,13 +2870,6 @@ int ssl3_check_cert_and_algorithm(SSL *s)
DH *dh;
#endif
sc=s->session->sess_cert;
if (sc == NULL)
{
SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,ERR_R_INTERNAL_ERROR);
goto err;
}
alg_k=s->s3->tmp.new_cipher->algorithm_mkey;
alg_a=s->s3->tmp.new_cipher->algorithm_auth;
@ -2882,6 +2877,13 @@ int ssl3_check_cert_and_algorithm(SSL *s)
if ((alg_a & (SSL_aDH|SSL_aNULL|SSL_aKRB5)) || (alg_k & SSL_kPSK))
return(1);
sc=s->session->sess_cert;
if (sc == NULL)
{
SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,ERR_R_INTERNAL_ERROR);
goto err;
}
#ifndef OPENSSL_NO_RSA
rsa=s->session->sess_cert->peer_rsa_tmp;
#endif

5
ssl/s3_srvr.c
View File

@ -2286,7 +2286,7 @@ int ssl3_get_client_key_exchange(SSL *s)
SSL_R_DATA_LENGTH_TOO_LONG);
goto err;
}
if (!((p[0] == (s->client_version>>8)) && (p[1] == (s->client_version & 0xff))))
if (!((pms[0] == (s->client_version>>8)) && (pms[1] == (s->client_version & 0xff))))
{
/* The premaster secret must contain the same version number as the
* ClientHello to detect version rollback attacks (strangely, the
@ -2296,8 +2296,7 @@ int ssl3_get_client_key_exchange(SSL *s)
* If SSL_OP_TLS_ROLLBACK_BUG is set, tolerate such clients.
* (Perhaps we should have a separate BUG value for the Kerberos cipher)
*/
if (!((s->options & SSL_OP_TLS_ROLLBACK_BUG) &&
(p[0] == (s->version>>8)) && (p[1] == (s->version & 0xff))))
if (!(s->options & SSL_OP_TLS_ROLLBACK_BUG))
{
SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,
SSL_AD_DECODE_ERROR);