diff --git a/ssl/s3_srvr.c b/ssl/s3_srvr.c index 587dc86175039c53ad4de6cdb7a9d6f8ad8a1fda..9e73d629217be160c65eec4dffb6df092570f2c6 100644 --- a/ssl/s3_srvr.c +++ b/ssl/s3_srvr.c @@ -297,7 +297,6 @@ int ssl3_accept(SSL *s) } s->init_num=0; - s->s3->flags &= ~SSL3_FLAGS_SGC_RESTART_DONE; if (s->state != SSL_ST_RENEGOTIATE) { @@ -872,14 +871,6 @@ int ssl3_check_client_hello(SSL *s) int ok; long n; - /* We only allow the client to restart the handshake once per - * negotiation. */ - if (s->s3->flags & SSL3_FLAGS_SGC_RESTART_DONE) - { - SSLerr(SSL_F_SSL3_CHECK_CLIENT_HELLO, SSL_R_MULTIPLE_SGC_RESTARTS); - return -1; - } - /* this function is called when we really expect a Certificate message, * so permit appropriate message length */ n=s->method->ssl_get_message(s, @@ -908,7 +899,6 @@ int ssl3_check_client_hello(SSL *s) s->s3->tmp.ecdh = NULL; } #endif - s->s3->flags |= SSL3_FLAGS_SGC_RESTART_DONE; return 2; } return 1; diff --git a/ssl/ssl.h b/ssl/ssl.h index 9ce2684f4eaa6bb543eb525e0f1ee9bfa83d7e7f..4bf477a2f8bdbc3150c23b219b9df9032464caaa 100644 --- a/ssl/ssl.h +++ b/ssl/ssl.h @@ -2133,7 +2133,6 @@ void ERR_load_SSL_strings(void); #define SSL_F_SSL3_CALLBACK_CTRL 233 #define SSL_F_SSL3_CHANGE_CIPHER_STATE 129 #define SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM 130 -#define SSL_F_SSL3_CHECK_CLIENT_HELLO 315 #define SSL_F_SSL3_CLIENT_HELLO 131 #define SSL_F_SSL3_CONNECT 132 #define SSL_F_SSL3_CTRL 213 @@ -2413,7 +2412,6 @@ void ERR_load_SSL_strings(void); #define SSL_R_MISSING_TMP_RSA_KEY 172 #define SSL_R_MISSING_TMP_RSA_PKEY 173 #define SSL_R_MISSING_VERIFY_MESSAGE 174 -#define SSL_R_MULTIPLE_SGC_RESTARTS 370 #define SSL_R_NON_SSLV2_INITIAL_PACKET 175 #define SSL_R_NO_CERTIFICATES_RETURNED 176 #define SSL_R_NO_CERTIFICATE_ASSIGNED 177 diff --git a/ssl/ssl3.h b/ssl/ssl3.h index 68a66e2b0017d1f47406c5c385bd7e340f0c46de..93f9ead3059b807c2d4e78122f551326d9a3bd3f 100644 --- a/ssl/ssl3.h +++ b/ssl/ssl3.h @@ -389,17 +389,6 @@ typedef struct ssl3_buffer_st #define TLS1_FLAGS_SKIP_CERT_VERIFY 0x0010 #define TLS1_FLAGS_KEEP_HANDSHAKE 0x0020 -/* SSL3_FLAGS_SGC_RESTART_DONE is set when we - * restart a handshake because of MS SGC and so prevents us - * from restarting the handshake in a loop. It's reset on a - * renegotiation, so effectively limits the client to one restart - * per negotiation. This limits the possibility of a DDoS - * attack where the client handshakes in a loop using SGC to - * restart. Servers which permit renegotiation can still be - * effected, but we can't prevent that. - */ -#define SSL3_FLAGS_SGC_RESTART_DONE 0x0040 - #ifndef OPENSSL_NO_SSL_INTERN typedef struct ssl3_state_st diff --git a/ssl/ssl_err.c b/ssl/ssl_err.c index 4eb2e44f5d09019f2d3ac0b9c8f5103fcf71995e..0c3838a55d5b020dd7d031e67debf7e04d942b92 100644 --- a/ssl/ssl_err.c +++ b/ssl/ssl_err.c @@ -138,7 +138,6 @@ static ERR_STRING_DATA SSL_str_functs[]= {ERR_FUNC(SSL_F_SSL3_CALLBACK_CTRL), "SSL3_CALLBACK_CTRL"}, {ERR_FUNC(SSL_F_SSL3_CHANGE_CIPHER_STATE), "SSL3_CHANGE_CIPHER_STATE"}, {ERR_FUNC(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM), "SSL3_CHECK_CERT_AND_ALGORITHM"}, -{ERR_FUNC(SSL_F_SSL3_CHECK_CLIENT_HELLO), "SSL3_CHECK_CLIENT_HELLO"}, {ERR_FUNC(SSL_F_SSL3_CLIENT_HELLO), "SSL3_CLIENT_HELLO"}, {ERR_FUNC(SSL_F_SSL3_CONNECT), "SSL3_CONNECT"}, {ERR_FUNC(SSL_F_SSL3_CTRL), "SSL3_CTRL"}, @@ -421,7 +420,6 @@ static ERR_STRING_DATA SSL_str_reasons[]= {ERR_REASON(SSL_R_MISSING_TMP_RSA_KEY) ,"missing tmp rsa key"}, {ERR_REASON(SSL_R_MISSING_TMP_RSA_PKEY) ,"missing tmp rsa pkey"}, {ERR_REASON(SSL_R_MISSING_VERIFY_MESSAGE),"missing verify message"}, -{ERR_REASON(SSL_R_MULTIPLE_SGC_RESTARTS) ,"multiple sgc restarts"}, {ERR_REASON(SSL_R_NON_SSLV2_INITIAL_PACKET),"non sslv2 initial packet"}, {ERR_REASON(SSL_R_NO_CERTIFICATES_RETURNED),"no certificates returned"}, {ERR_REASON(SSL_R_NO_CERTIFICATE_ASSIGNED),"no certificate assigned"},