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Merge new security defaults for programs (RC4 disabled, SSL3 disabled)

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This commit is contained in:
Paul Bakker
2015-01-14 16:26:54 +01:00
parent 36adc3631c fa06581c73
commit 5b8f7eaa3e
14 changed files with 149 additions and 23 deletions
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15
library/ssl_cli.c
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@@ -656,6 +656,10 @@ static int ssl_write_client_hello( ssl_context *ssl )
ciphersuite_info->max_minor_ver < ssl->min_minor_ver )
continue;
if( ssl->arc4_disabled == SSL_ARC4_DISABLED &&
ciphersuite_info->cipher == POLARSSL_CIPHER_ARC4_128 )
continue;
SSL_DEBUG_MSG( 3, ( "client hello, add ciphersuite: %2d",
ciphersuites[i] ) );
@@ -1018,6 +1022,7 @@ static int ssl_parse_server_hello( ssl_context *ssl )
int renegotiation_info_seen = 0;
#endif
int handshake_failure = 0;
const ssl_ciphersuite_t *suite_info;
#if defined(POLARSSL_DEBUG_C)
uint32_t t;
#endif
@@ -1202,6 +1207,16 @@ static int ssl_parse_server_hello( ssl_context *ssl )
SSL_DEBUG_MSG( 3, ( "server hello, chosen ciphersuite: %d", i ) );
SSL_DEBUG_MSG( 3, ( "server hello, compress alg.: %d", buf[41 + n] ) );
suite_info = ssl_ciphersuite_from_id( ssl->session_negotiate->ciphersuite );
if( suite_info == NULL ||
( ssl->arc4_disabled &&
suite_info->cipher == POLARSSL_CIPHER_ARC4_128 ) )
{
SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
}
i = 0;
while( 1 )
{

4
library/ssl_srv.c
View File

@@ -920,6 +920,10 @@ static int ssl_ciphersuite_match( ssl_context *ssl, int suite_id,
suite_info->max_minor_ver < ssl->minor_ver )
return( 0 );
if( ssl->arc4_disabled == SSL_ARC4_DISABLED &&
suite_info->cipher == POLARSSL_CIPHER_ARC4_128 )
return( 0 );
#if defined(POLARSSL_ECDH_C) || defined(POLARSSL_ECDSA_C)
if( ssl_ciphersuite_uses_ec( suite_info ) &&
( ssl->handshake->curves == NULL ||

5
library/ssl_tls.c
View File

@@ -4245,6 +4245,11 @@ void ssl_set_extended_master_secret( ssl_context *ssl, char ems )
}
#endif
void ssl_set_arc4_support( ssl_context *ssl, char arc4 )
{
ssl->arc4_disabled = arc4;
}
#if defined(POLARSSL_SSL_MAX_FRAGMENT_LENGTH)
int ssl_set_max_frag_len( ssl_context *ssl, unsigned char mfl_code )
{