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Merge pull request #4098 from gstrauss/remove-redundant-condition

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remove ssl_parse_client_hello redundant conditions
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Gilles Peskine 2021-03-27 22:47:13 +01:00 committed by GitHub
parent ac5db4da0e 8a8a83b4a2
commit 2aff17b8c5
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 1 additions and 10 deletions
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11
library/ssl_srv.c
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@ -1887,8 +1887,7 @@ read_record_header:
ext_len = ( buf[ext_offset + 0] << 8 ) ext_len = ( buf[ext_offset + 0] << 8 )
| ( buf[ext_offset + 1] ); | ( buf[ext_offset + 1] );
if( ( ext_len > 0 && ext_len < 4 ) || if( msg_len != ext_offset + 2 + ext_len )
msg_len != ext_offset + 2 + ext_len )
{ {
MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad client hello message" ) ); MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad client hello message" ) );
mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
@ -2079,14 +2078,6 @@ read_record_header:
ext_len -= 4 + ext_size; ext_len -= 4 + ext_size;
ext += 4 + ext_size; ext += 4 + ext_size;
if( ext_len > 0 && ext_len < 4 )
{
MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad client hello message" ) );
mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
return( MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO );
}
} }
#if defined(MBEDTLS_SSL_PROTO_SSL3) #if defined(MBEDTLS_SSL_PROTO_SSL3)
} }