diff --git a/library/ssl_cli.c b/library/ssl_cli.c index 07cc5dd34..5798b3c16 100644 --- a/library/ssl_cli.c +++ b/library/ssl_cli.c @@ -68,8 +68,9 @@ static void ssl_write_hostname_ext( mbedtls_ssl_context *ssl, if( ssl->hostname == NULL ) return; - MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding server name extension: %s", - ssl->hostname ) ); + MBEDTLS_SSL_DEBUG_MSG( 3, + ( "client hello, adding server name extension: %s", + ssl->hostname ) ); hostname_len = strlen( ssl->hostname ); @@ -140,7 +141,8 @@ static void ssl_write_renegotiation_ext( mbedtls_ssl_context *ssl, if( ssl->renego_status != MBEDTLS_SSL_RENEGOTIATION_IN_PROGRESS ) return; - MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding renegotiation extension" ) ); + MBEDTLS_SSL_DEBUG_MSG( 3, + ( "client hello, adding renegotiation extension" ) ); if( end < p || (size_t)( end - p ) < 5 + ssl->verify_data_len ) { @@ -151,8 +153,10 @@ static void ssl_write_renegotiation_ext( mbedtls_ssl_context *ssl, /* * Secure renegotiation */ - *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_RENEGOTIATION_INFO >> 8 ) & 0xFF ); - *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_RENEGOTIATION_INFO ) & 0xFF ); + *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_RENEGOTIATION_INFO >> 8 ) + & 0xFF ); + *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_RENEGOTIATION_INFO ) + & 0xFF ); *p++ = 0x00; *p++ = ( ssl->verify_data_len + 1 ) & 0xFF; @@ -186,7 +190,8 @@ static void ssl_write_signature_algorithms_ext( mbedtls_ssl_context *ssl, if( ssl->conf->max_minor_ver != MBEDTLS_SSL_MINOR_VERSION_3 ) return; - MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding signature_algorithms extension" ) ); + MBEDTLS_SSL_DEBUG_MSG( 3, + ( "client hello, adding signature_algorithms extension" ) ); for( md = ssl->conf->sig_hashes; *md != MBEDTLS_MD_NONE; md++ ) { @@ -271,12 +276,17 @@ static void ssl_write_supported_elliptic_curves_ext( mbedtls_ssl_context *ssl, *olen = 0; - MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding supported_elliptic_curves extension" ) ); + MBEDTLS_SSL_DEBUG_MSG( 3, + ( "client hello, adding supported_elliptic_curves extension" ) ); #if defined(MBEDTLS_ECP_C) - for( grp_id = ssl->conf->curve_list; *grp_id != MBEDTLS_ECP_DP_NONE; grp_id++ ) + for( grp_id = ssl->conf->curve_list; + *grp_id != MBEDTLS_ECP_DP_NONE; + grp_id++ ) #else - for( info = mbedtls_ecp_curve_list(); info->grp_id != MBEDTLS_ECP_DP_NONE; info++ ) + for( info = mbedtls_ecp_curve_list(); + info->grp_id != MBEDTLS_ECP_DP_NONE; + info++ ) #endif { #if defined(MBEDTLS_ECP_C) @@ -284,7 +294,8 @@ static void ssl_write_supported_elliptic_curves_ext( mbedtls_ssl_context *ssl, #endif if( info == NULL ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "invalid curve in ssl configuration" ) ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "invalid curve in ssl configuration" ) ); return; } @@ -300,9 +311,13 @@ static void ssl_write_supported_elliptic_curves_ext( mbedtls_ssl_context *ssl, elliptic_curve_len = 0; #if defined(MBEDTLS_ECP_C) - for( grp_id = ssl->conf->curve_list; *grp_id != MBEDTLS_ECP_DP_NONE; grp_id++ ) + for( grp_id = ssl->conf->curve_list; + *grp_id != MBEDTLS_ECP_DP_NONE; + grp_id++ ) #else - for( info = mbedtls_ecp_curve_list(); info->grp_id != MBEDTLS_ECP_DP_NONE; info++ ) + for( info = mbedtls_ecp_curve_list(); + info->grp_id != MBEDTLS_ECP_DP_NONE; + info++ ) #endif { #if defined(MBEDTLS_ECP_C) @@ -315,8 +330,10 @@ static void ssl_write_supported_elliptic_curves_ext( mbedtls_ssl_context *ssl, if( elliptic_curve_len == 0 ) return; - *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_SUPPORTED_ELLIPTIC_CURVES >> 8 ) & 0xFF ); - *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_SUPPORTED_ELLIPTIC_CURVES ) & 0xFF ); + *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_SUPPORTED_ELLIPTIC_CURVES >> 8 ) + & 0xFF ); + *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_SUPPORTED_ELLIPTIC_CURVES ) + & 0xFF ); *p++ = (unsigned char)( ( ( elliptic_curve_len + 2 ) >> 8 ) & 0xFF ); *p++ = (unsigned char)( ( ( elliptic_curve_len + 2 ) ) & 0xFF ); @@ -336,7 +353,8 @@ static void ssl_write_supported_point_formats_ext( mbedtls_ssl_context *ssl, *olen = 0; - MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding supported_point_formats extension" ) ); + MBEDTLS_SSL_DEBUG_MSG( 3, + ( "client hello, adding supported_point_formats extension" ) ); if( end < p || (size_t)( end - p ) < 6 ) { @@ -344,8 +362,10 @@ static void ssl_write_supported_point_formats_ext( mbedtls_ssl_context *ssl, return; } - *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_SUPPORTED_POINT_FORMATS >> 8 ) & 0xFF ); - *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_SUPPORTED_POINT_FORMATS ) & 0xFF ); + *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_SUPPORTED_POINT_FORMATS >> 8 ) + & 0xFF ); + *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_SUPPORTED_POINT_FORMATS ) + & 0xFF ); *p++ = 0x00; *p++ = 2; @@ -374,7 +394,8 @@ static void ssl_write_ecjpake_kkpp_ext( mbedtls_ssl_context *ssl, if( mbedtls_ecjpake_check( &ssl->handshake->ecjpake_ctx ) != 0 ) return; - MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding ecjpake_kkpp extension" ) ); + MBEDTLS_SSL_DEBUG_MSG( 3, + ( "client hello, adding ecjpake_kkpp extension" ) ); if( end - p < 4 ) { @@ -400,7 +421,8 @@ static void ssl_write_ecjpake_kkpp_ext( mbedtls_ssl_context *ssl, ssl->conf->f_rng, ssl->conf->p_rng ); if( ret != 0 ) { - MBEDTLS_SSL_DEBUG_RET( 1 , "mbedtls_ecjpake_write_round_one", ret ); + MBEDTLS_SSL_DEBUG_RET( 1 , + "mbedtls_ecjpake_write_round_one", ret ); return; } @@ -450,7 +472,8 @@ static void ssl_write_max_fragment_length_ext( mbedtls_ssl_context *ssl, return; } - MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding max_fragment_length extension" ) ); + MBEDTLS_SSL_DEBUG_MSG( 3, + ( "client hello, adding max_fragment_length extension" ) ); if( end < p || (size_t)( end - p ) < 5 ) { @@ -458,8 +481,10 @@ static void ssl_write_max_fragment_length_ext( mbedtls_ssl_context *ssl, return; } - *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_MAX_FRAGMENT_LENGTH >> 8 ) & 0xFF ); - *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_MAX_FRAGMENT_LENGTH ) & 0xFF ); + *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_MAX_FRAGMENT_LENGTH >> 8 ) + & 0xFF ); + *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_MAX_FRAGMENT_LENGTH ) + & 0xFF ); *p++ = 0x00; *p++ = 1; @@ -484,7 +509,8 @@ static void ssl_write_truncated_hmac_ext( mbedtls_ssl_context *ssl, return; } - MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding truncated_hmac extension" ) ); + MBEDTLS_SSL_DEBUG_MSG( 3, + ( "client hello, adding truncated_hmac extension" ) ); if( end < p || (size_t)( end - p ) < 4 ) { @@ -517,8 +543,8 @@ static void ssl_write_encrypt_then_mac_ext( mbedtls_ssl_context *ssl, return; } - MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding encrypt_then_mac " - "extension" ) ); + MBEDTLS_SSL_DEBUG_MSG( 3, + ( "client hello, adding encrypt_then_mac extension" ) ); if( end < p || (size_t)( end - p ) < 4 ) { @@ -551,8 +577,8 @@ static void ssl_write_extended_ms_ext( mbedtls_ssl_context *ssl, return; } - MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding extended_master_secret " - "extension" ) ); + MBEDTLS_SSL_DEBUG_MSG( 3, + ( "client hello, adding extended_master_secret extension" ) ); if( end < p || (size_t)( end - p ) < 4 ) { @@ -560,8 +586,10 @@ static void ssl_write_extended_ms_ext( mbedtls_ssl_context *ssl, return; } - *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_EXTENDED_MASTER_SECRET >> 8 ) & 0xFF ); - *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_EXTENDED_MASTER_SECRET ) & 0xFF ); + *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_EXTENDED_MASTER_SECRET >> 8 ) + & 0xFF ); + *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_EXTENDED_MASTER_SECRET ) + & 0xFF ); *p++ = 0x00; *p++ = 0x00; @@ -585,7 +613,8 @@ static void ssl_write_session_ticket_ext( mbedtls_ssl_context *ssl, return; } - MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding session ticket extension" ) ); + MBEDTLS_SSL_DEBUG_MSG( 3, + ( "client hello, adding session ticket extension" ) ); if( end < p || (size_t)( end - p ) < 4 + tlen ) { @@ -606,7 +635,8 @@ static void ssl_write_session_ticket_ext( mbedtls_ssl_context *ssl, return; } - MBEDTLS_SSL_DEBUG_MSG( 3, ( "sending session ticket of length %d", tlen ) ); + MBEDTLS_SSL_DEBUG_MSG( 3, + ( "sending session ticket of length %d", tlen ) ); memcpy( p, ssl->session_negotiate->ticket, tlen ); @@ -727,9 +757,10 @@ static int ssl_generate_random( mbedtls_ssl_context *ssl ) * * \return 0 if valid, else 1 */ -static int ssl_validate_ciphersuite( const mbedtls_ssl_ciphersuite_t * suite_info, - const mbedtls_ssl_context * ssl, - int min_minor_ver, int max_minor_ver ) +static int ssl_validate_ciphersuite( + const mbedtls_ssl_ciphersuite_t * suite_info, + const mbedtls_ssl_context * ssl, + int min_minor_ver, int max_minor_ver ) { (void) ssl; if( suite_info == NULL ) @@ -792,8 +823,8 @@ static int ssl_write_client_hello( mbedtls_ssl_context *ssl ) if( ssl->conf->max_major_ver == 0 ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "configured max major version is invalid, " - "consider using mbedtls_ssl_config_defaults()" ) ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "configured max major version is invalid, consider using mbedtls_ssl_config_defaults()" ) ); return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA ); } @@ -807,8 +838,9 @@ static int ssl_write_client_hello( mbedtls_ssl_context *ssl ) buf = ssl->out_msg; p = buf + 4; - mbedtls_ssl_write_version( ssl->conf->max_major_ver, ssl->conf->max_minor_ver, - ssl->conf->transport, p ); + mbedtls_ssl_write_version( ssl->conf->max_major_ver, + ssl->conf->max_minor_ver, + ssl->conf->transport, p ); p += 2; MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, max version: [%d:%d]", @@ -859,7 +891,8 @@ static int ssl_write_client_hello( mbedtls_ssl_context *ssl ) if( ssl->session_negotiate->ticket != NULL && ssl->session_negotiate->ticket_len != 0 ) { - ret = ssl->conf->f_rng( ssl->conf->p_rng, ssl->session_negotiate->id, 32 ); + ret = ssl->conf->f_rng( ssl->conf->p_rng, + ssl->session_negotiate->id, 32 ); if( ret != 0 ) return( ret ); @@ -934,7 +967,8 @@ static int ssl_write_client_hello( mbedtls_ssl_context *ssl ) *p++ = (unsigned char)( ciphersuites[i] ); } - MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, got %d ciphersuites (excluding SCSVs)", n ) ); + MBEDTLS_SSL_DEBUG_MSG( 3, + ( "client hello, got %d ciphersuites (excluding SCSVs)", n ) ); /* * Add TLS_EMPTY_RENEGOTIATION_INFO_SCSV @@ -984,7 +1018,8 @@ static int ssl_write_client_hello( mbedtls_ssl_context *ssl ) { MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, compress len.: %d", 2 ) ); MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, compress alg.: %d %d", - MBEDTLS_SSL_COMPRESS_DEFLATE, MBEDTLS_SSL_COMPRESS_NULL ) ); + MBEDTLS_SSL_COMPRESS_DEFLATE, + MBEDTLS_SSL_COMPRESS_NULL ) ); *p++ = 2; *p++ = MBEDTLS_SSL_COMPRESS_DEFLATE; @@ -1118,8 +1153,10 @@ static int ssl_parse_renegotiation_info( mbedtls_ssl_context *ssl, ssl->peer_verify_data, ssl->verify_data_len ) != 0 ) { MBEDTLS_SSL_DEBUG_MSG( 1, ( "non-matching renegotiation info" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO ); } } @@ -1128,9 +1165,12 @@ static int ssl_parse_renegotiation_info( mbedtls_ssl_context *ssl, { if( len != 1 || buf[0] != 0x00 ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "non-zero length renegotiation info" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); + MBEDTLS_SSL_DEBUG_MSG( + 1, ( "non-zero length renegotiation info" ) ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO ); } @@ -1153,9 +1193,12 @@ static int ssl_parse_max_fragment_length_ext( mbedtls_ssl_context *ssl, len != 1 || buf[0] != ssl->conf->mfl_code ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "non-matching max fragment length extension" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "non-matching max fragment length extension" ) ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO ); } @@ -1171,9 +1214,12 @@ static int ssl_parse_truncated_hmac_ext( mbedtls_ssl_context *ssl, if( ssl->conf->trunc_hmac == MBEDTLS_SSL_TRUNC_HMAC_DISABLED || len != 0 ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "non-matching truncated HMAC extension" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "non-matching truncated HMAC extension" ) ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO ); } @@ -1194,9 +1240,12 @@ static int ssl_parse_encrypt_then_mac_ext( mbedtls_ssl_context *ssl, ssl->minor_ver == MBEDTLS_SSL_MINOR_VERSION_0 || len != 0 ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "non-matching encrypt-then-MAC extension" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "non-matching encrypt-then-MAC extension" ) ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO ); } @@ -1217,9 +1266,12 @@ static int ssl_parse_extended_ms_ext( mbedtls_ssl_context *ssl, ssl->minor_ver == MBEDTLS_SSL_MINOR_VERSION_0 || len != 0 ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "non-matching extended master secret extension" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "non-matching extended master secret extension" ) ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO ); } @@ -1239,9 +1291,12 @@ static int ssl_parse_session_ticket_ext( mbedtls_ssl_context *ssl, if( ssl->conf->session_tickets == MBEDTLS_SSL_SESSION_TICKETS_DISABLED || len != 0 ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "non-matching session ticket extension" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "non-matching session ticket extension" ) ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO ); } @@ -1322,8 +1377,10 @@ static int ssl_parse_ecjpake_kkpp( mbedtls_ssl_context *ssl, buf, len ) ) != 0 ) { MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ecjpake_read_round_one", ret ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); return( ret ); } @@ -1342,8 +1399,10 @@ static int ssl_parse_alpn_ext( mbedtls_ssl_context *ssl, if( ssl->conf->alpn_list == NULL ) { MBEDTLS_SSL_DEBUG_MSG( 1, ( "non-matching ALPN extension" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO ); } @@ -1523,12 +1582,13 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl ) if( ssl->conf->renego_max_records >= 0 && ssl->renego_records_seen > ssl->conf->renego_max_records ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "renegotiation requested, " - "but not honored by server" ) ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "renegotiation requested, but not honored by server" ) ); return( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE ); } - MBEDTLS_SSL_DEBUG_MSG( 1, ( "non-handshake message during renego" ) ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "non-handshake message during renegotiation" ) ); ssl->keep_current_message = 1; return( MBEDTLS_ERR_SSL_WAITING_SERVER_HELLO_RENEGO ); @@ -1536,8 +1596,10 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl ) #endif /* MBEDTLS_SSL_RENEGOTIATION */ MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE ); return( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE ); } @@ -1591,11 +1653,13 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl ) ssl->major_ver > ssl->conf->max_major_ver || ssl->minor_ver > ssl->conf->max_minor_ver ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "server version out of bounds - " - " min: [%d:%d], server: [%d:%d], max: [%d:%d]", - ssl->conf->min_major_ver, ssl->conf->min_minor_ver, - ssl->major_ver, ssl->minor_ver, - ssl->conf->max_major_ver, ssl->conf->max_minor_ver ) ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "server version out of bounds - min: [%d:%d], server: [%d:%d], max: [%d:%d]", + ssl->conf->min_major_ver, + ssl->conf->min_minor_ver, + ssl->major_ver, ssl->minor_ver, + ssl->conf->max_major_ver, + ssl->conf->max_minor_ver ) ); mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, MBEDTLS_SSL_ALERT_MSG_PROTOCOL_VERSION ); @@ -1632,8 +1696,10 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl ) ssl->in_hslen != mbedtls_ssl_hs_hdr_len( ssl ) + 40 + n + ext_len ) { MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO ); } } @@ -1672,26 +1738,32 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl ) if( comp != MBEDTLS_SSL_COMPRESS_NULL ) #endif/* MBEDTLS_ZLIB_SUPPORT */ { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "server hello, bad compression: %d", comp ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "server hello, bad compression: %d", comp ) ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER ); return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE ); } /* * Initialize update checksum functions */ - ssl->transform_negotiate->ciphersuite_info = mbedtls_ssl_ciphersuite_from_id( i ); + ssl->transform_negotiate->ciphersuite_info = + mbedtls_ssl_ciphersuite_from_id( i ); if( ssl->transform_negotiate->ciphersuite_info == NULL ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "ciphersuite info for %04x not found", i ) ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "ciphersuite info for %04x not found", i ) ); mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, MBEDTLS_SSL_ALERT_MSG_INTERNAL_ERROR ); return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA ); } - mbedtls_ssl_optimize_checksum( ssl, ssl->transform_negotiate->ciphersuite_info ); + mbedtls_ssl_optimize_checksum( ssl, + ssl->transform_negotiate->ciphersuite_info ); MBEDTLS_SSL_DEBUG_MSG( 3, ( "server hello, session id len.: %d", n ) ); MBEDTLS_SSL_DEBUG_BUF( 3, "server hello, session id", buf + 35, n ); @@ -1725,8 +1797,10 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl ) if( ( ret = mbedtls_ssl_derive_keys( ssl ) ) != 0 ) { MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_derive_keys", ret ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_INTERNAL_ERROR ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_INTERNAL_ERROR ); return( ret ); } } @@ -1735,7 +1809,8 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl ) ssl->handshake->resume ? "a" : "no" ) ); MBEDTLS_SSL_DEBUG_MSG( 3, ( "server hello, chosen ciphersuite: %04x", i ) ); - MBEDTLS_SSL_DEBUG_MSG( 3, ( "server hello, compress alg.: %d", buf[37 + n] ) ); + MBEDTLS_SSL_DEBUG_MSG( 3, ( "server hello, compress alg.: %d", + buf[37 + n] ) ); /* * Perform cipher suite validation in same way as in ssl_write_client_hello. @@ -1746,8 +1821,10 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl ) if( ssl->conf->ciphersuite_list[ssl->minor_ver][i] == 0 ) { MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO ); } @@ -1758,16 +1835,21 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl ) } } - suite_info = mbedtls_ssl_ciphersuite_from_id( ssl->session_negotiate->ciphersuite ); - if( ssl_validate_ciphersuite( suite_info, ssl, ssl->minor_ver, ssl->minor_ver ) != 0 ) + suite_info = mbedtls_ssl_ciphersuite_from_id( + ssl->session_negotiate->ciphersuite ); + if( ssl_validate_ciphersuite( suite_info, ssl, ssl->minor_ver, + ssl->minor_ver ) != 0 ) { MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO ); } - MBEDTLS_SSL_DEBUG_MSG( 3, ( "server hello, chosen ciphersuite: %s", suite_info->name ) ); + MBEDTLS_SSL_DEBUG_MSG( 3, + ( "server hello, chosen ciphersuite: %s", suite_info->name ) ); if( comp != MBEDTLS_SSL_COMPRESS_NULL #if defined(MBEDTLS_ZLIB_SUPPORT) @@ -1776,15 +1858,18 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl ) ) { MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO ); } ssl->session_negotiate->compression = comp; ext = buf + 40 + n; - MBEDTLS_SSL_DEBUG_MSG( 2, ( "server hello, total extension length: %d", ext_len ) ); + MBEDTLS_SSL_DEBUG_MSG( 2, + ( "server hello, total extension length: %d", ext_len ) ); while( ext_len ) { @@ -1796,8 +1881,9 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl ) if( ext_size + 4 > ext_len ) { MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR ); + mbedtls_ssl_send_alert_message( + ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO ); } @@ -1817,7 +1903,8 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl ) #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) case MBEDTLS_TLS_EXT_MAX_FRAGMENT_LENGTH: - MBEDTLS_SSL_DEBUG_MSG( 3, ( "found max_fragment_length extension" ) ); + MBEDTLS_SSL_DEBUG_MSG( 3, + ( "found max_fragment_length extension" ) ); if( ( ret = ssl_parse_max_fragment_length_ext( ssl, ext + 4, ext_size ) ) != 0 ) @@ -1856,7 +1943,8 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl ) #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET) case MBEDTLS_TLS_EXT_EXTENDED_MASTER_SECRET: - MBEDTLS_SSL_DEBUG_MSG( 3, ( "found extended_master_secret extension" ) ); + MBEDTLS_SSL_DEBUG_MSG( 3, + ( "found extended_master_secret extension" ) ); if( ( ret = ssl_parse_extended_ms_ext( ssl, ext + 4, ext_size ) ) != 0 ) @@ -1883,7 +1971,8 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl ) #if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) || \ defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) case MBEDTLS_TLS_EXT_SUPPORTED_POINT_FORMATS: - MBEDTLS_SSL_DEBUG_MSG( 3, ( "found supported_point_formats extension" ) ); + MBEDTLS_SSL_DEBUG_MSG( 3, + ( "found supported_point_formats extension" ) ); if( ( ret = ssl_parse_supported_point_formats_ext( ssl, ext + 4, ext_size ) ) != 0 ) @@ -1919,8 +2008,8 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl ) #endif /* MBEDTLS_SSL_ALPN */ default: - MBEDTLS_SSL_DEBUG_MSG( 3, ( "unknown extension found: %d (ignoring)", - ext_id ) ); + MBEDTLS_SSL_DEBUG_MSG( 3, + ( "unknown extension found: %d (ignoring)", ext_id ) ); } ext_len -= 4 + ext_size; @@ -1937,9 +2026,11 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl ) * Renegotiation security checks */ if( ssl->secure_renegotiation == MBEDTLS_SSL_LEGACY_RENEGOTIATION && - ssl->conf->allow_legacy_renegotiation == MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE ) + ssl->conf->allow_legacy_renegotiation == + MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "legacy renegotiation, breaking off handshake" ) ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "legacy renegotiation, breaking off handshake" ) ); handshake_failure = 1; } #if defined(MBEDTLS_SSL_RENEGOTIATION) @@ -1947,12 +2038,14 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl ) ssl->secure_renegotiation == MBEDTLS_SSL_SECURE_RENEGOTIATION && renegotiation_info_seen == 0 ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "renegotiation_info extension missing (secure)" ) ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "renegotiation_info extension missing (secure)" ) ); handshake_failure = 1; } else if( ssl->renego_status == MBEDTLS_SSL_RENEGOTIATION_IN_PROGRESS && ssl->secure_renegotiation == MBEDTLS_SSL_LEGACY_RENEGOTIATION && - ssl->conf->allow_legacy_renegotiation == MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION ) + ssl->conf->allow_legacy_renegotiation == + MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION ) { MBEDTLS_SSL_DEBUG_MSG( 1, ( "legacy renegotiation not allowed" ) ); handshake_failure = 1; @@ -1961,15 +2054,18 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl ) ssl->secure_renegotiation == MBEDTLS_SSL_LEGACY_RENEGOTIATION && renegotiation_info_seen == 1 ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "renegotiation_info extension present (legacy)" ) ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "renegotiation_info extension present (legacy)" ) ); handshake_failure = 1; } #endif /* MBEDTLS_SSL_RENEGOTIATION */ if( handshake_failure == 1 ) { - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO ); } @@ -1980,7 +2076,8 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl ) #if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) || \ defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED) -static int ssl_parse_server_dh_params( mbedtls_ssl_context *ssl, unsigned char **p, +static int ssl_parse_server_dh_params( mbedtls_ssl_context *ssl, + unsigned char **p, unsigned char *end ) { int ret = MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE; @@ -1994,7 +2091,8 @@ static int ssl_parse_server_dh_params( mbedtls_ssl_context *ssl, unsigned char * * opaque dh_Ys<1..2^16-1>; * } ServerDHParams; */ - if( ( ret = mbedtls_dhm_read_params( &ssl->handshake->dhm_ctx, p, end ) ) != 0 ) + if( ( ret = mbedtls_dhm_read_params( &ssl->handshake->dhm_ctx, + p, end ) ) != 0 ) { MBEDTLS_SSL_DEBUG_RET( 2, ( "mbedtls_dhm_read_params" ), ret ); return( ret ); @@ -2079,7 +2177,8 @@ static int ssl_parse_server_ecdh_params( mbedtls_ssl_context *ssl, if( ssl_check_server_ecdh_params( ssl ) != 0 ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message (ECDHE curve)" ) ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "bad server key exchange message (ECDHE curve)" ) ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE ); } @@ -2105,8 +2204,8 @@ static int ssl_parse_server_psk_hint( mbedtls_ssl_context *ssl, */ if( end - (*p) < 2 ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message " - "(psk_identity_hint length)" ) ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "bad server key exchange message (psk_identity_hint length)" ) ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE ); } len = (*p)[0] << 8 | (*p)[1]; @@ -2114,8 +2213,8 @@ static int ssl_parse_server_psk_hint( mbedtls_ssl_context *ssl, if( end - (*p) < (int) len ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message " - "(psk_identity_hint length)" ) ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "bad server key exchange message (psk_identity_hint length)" ) ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE ); } @@ -2157,8 +2256,9 @@ static int ssl_write_encrypted_pms( mbedtls_ssl_context *ssl, * opaque random[46]; * } PreMasterSecret; */ - mbedtls_ssl_write_version( ssl->conf->max_major_ver, ssl->conf->max_minor_ver, - ssl->conf->transport, p ); + mbedtls_ssl_write_version( ssl->conf->max_major_ver, + ssl->conf->max_minor_ver, + ssl->conf->transport, p ); if( ( ret = ssl->conf->f_rng( ssl->conf->p_rng, p + 2, 46 ) ) != 0 ) { @@ -2235,20 +2335,22 @@ static int ssl_parse_signature_algorithm( mbedtls_ssl_context *ssl, /* * Get hash algorithm */ - if( ( *md_alg = mbedtls_ssl_md_alg_from_hash( (*p)[0] ) ) == MBEDTLS_MD_NONE ) + if( ( *md_alg = mbedtls_ssl_md_alg_from_hash( (*p)[0] ) ) + == MBEDTLS_MD_NONE ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "Server used unsupported " - "HashAlgorithm %d", *(p)[0] ) ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "Server used unsupported HashAlgorithm %d", *(p)[0] ) ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE ); } /* * Get signature algorithm */ - if( ( *pk_alg = mbedtls_ssl_pk_alg_from_sig( (*p)[1] ) ) == MBEDTLS_PK_NONE ) + if( ( *pk_alg = mbedtls_ssl_pk_alg_from_sig( (*p)[1] ) ) + == MBEDTLS_PK_NONE ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "server used unsupported " - "SignatureAlgorithm %d", (*p)[1] ) ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "server used unsupported SignatureAlgorithm %d", (*p)[1] ) ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE ); } @@ -2257,13 +2359,15 @@ static int ssl_parse_signature_algorithm( mbedtls_ssl_context *ssl, */ if( mbedtls_ssl_check_sig_hash( ssl, *md_alg ) != 0 ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "server used HashAlgorithm %d that was not offered", - *(p)[0] ) ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "server used HashAlgorithm %d that was not offered", *(p)[0] ) ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE ); } - MBEDTLS_SSL_DEBUG_MSG( 2, ( "Server used SignatureAlgorithm %d", (*p)[1] ) ); - MBEDTLS_SSL_DEBUG_MSG( 2, ( "Server used HashAlgorithm %d", (*p)[0] ) ); + MBEDTLS_SSL_DEBUG_MSG( 2, ( "Server used SignatureAlgorithm %d", + (*p)[1] ) ); + MBEDTLS_SSL_DEBUG_MSG( 2, ( "Server used HashAlgorithm %d", + (*p)[0] ) ); *p += 2; return( 0 ); @@ -2341,8 +2445,10 @@ static int ssl_parse_server_key_exchange( mbedtls_ssl_context *ssl ) if( ( ret = ssl_get_ecdh_params_from_cert( ssl ) ) != 0 ) { MBEDTLS_SSL_DEBUG_RET( 1, "ssl_get_ecdh_params_from_cert", ret ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); return( ret ); } @@ -2364,8 +2470,10 @@ static int ssl_parse_server_key_exchange( mbedtls_ssl_context *ssl ) if( ssl->in_msgtype != MBEDTLS_SSL_MSG_HANDSHAKE ) { MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE ); return( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE ); } @@ -2384,10 +2492,12 @@ static int ssl_parse_server_key_exchange( mbedtls_ssl_context *ssl ) goto exit; } - MBEDTLS_SSL_DEBUG_MSG( 1, ( "server key exchange message must " - "not be skipped" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "server key exchange message must not be skipped" ) ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE ); return( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE ); } @@ -2405,8 +2515,10 @@ static int ssl_parse_server_key_exchange( mbedtls_ssl_context *ssl ) if( ssl_parse_server_psk_hint( ssl, &p, end ) != 0 ) { MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE ); } } /* FALLTROUGH */ @@ -2428,8 +2540,10 @@ static int ssl_parse_server_key_exchange( mbedtls_ssl_context *ssl ) if( ssl_parse_server_dh_params( ssl, &p, end ) != 0 ) { MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE ); } } @@ -2446,8 +2560,10 @@ static int ssl_parse_server_key_exchange( mbedtls_ssl_context *ssl ) if( ssl_parse_server_ecdh_params( ssl, &p, end ) != 0 ) { MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE ); } } @@ -2463,8 +2579,10 @@ static int ssl_parse_server_key_exchange( mbedtls_ssl_context *ssl ) if( ret != 0 ) { MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ecjpake_read_round_two", ret ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE ); } } @@ -2494,17 +2612,24 @@ static int ssl_parse_server_key_exchange( mbedtls_ssl_context *ssl ) if( ssl_parse_signature_algorithm( ssl, &p, end, &md_alg, &pk_alg ) != 0 ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "bad server key exchange message" ) ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE ); } - if( pk_alg != mbedtls_ssl_get_ciphersuite_sig_pk_alg( ciphersuite_info ) ) + if( pk_alg != + mbedtls_ssl_get_ciphersuite_sig_pk_alg( ciphersuite_info ) ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "bad server key exchange message" ) ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE ); } } @@ -2533,8 +2658,10 @@ static int ssl_parse_server_key_exchange( mbedtls_ssl_context *ssl ) if( p > end - 2 ) { MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE ); } sig_len = ( p[0] << 8 ) | p[1]; @@ -2543,8 +2670,10 @@ static int ssl_parse_server_key_exchange( mbedtls_ssl_context *ssl ) if( p != end - sig_len ) { MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR ); return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE ); } @@ -2591,27 +2720,34 @@ static int ssl_parse_server_key_exchange( mbedtls_ssl_context *ssl ) if( ssl->session_negotiate->peer_cert == NULL ) { MBEDTLS_SSL_DEBUG_MSG( 2, ( "certificate required" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); return( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE ); } /* * Verify signature */ - if( ! mbedtls_pk_can_do( &ssl->session_negotiate->peer_cert->pk, pk_alg ) ) + if( ! mbedtls_pk_can_do( &ssl->session_negotiate->peer_cert->pk, + pk_alg ) ) { MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); return( MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH ); } if( ( ret = mbedtls_pk_verify( &ssl->session_negotiate->peer_cert->pk, md_alg, hash, hashlen, p, sig_len ) ) != 0 ) { - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_DECRYPT_ERROR ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_DECRYPT_ERROR ); MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_pk_verify", ret ); return( ret ); } @@ -2672,8 +2808,10 @@ static int ssl_parse_certificate_request( mbedtls_ssl_context *ssl ) if( ssl->in_msgtype != MBEDTLS_SSL_MSG_HANDSHAKE ) { MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad certificate request message" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE ); return( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE ); } @@ -2749,8 +2887,9 @@ static int ssl_parse_certificate_request( mbedtls_ssl_context *ssl ) #if defined(MBEDTLS_SSL_PROTO_TLS1_2) if( ssl->minor_ver == MBEDTLS_SSL_MINOR_VERSION_3 ) { - size_t sig_alg_len = ( ( buf[mbedtls_ssl_hs_hdr_len( ssl ) + 1 + n] << 8 ) - | ( buf[mbedtls_ssl_hs_hdr_len( ssl ) + 2 + n] ) ); + size_t sig_alg_len = + ( ( buf[mbedtls_ssl_hs_hdr_len( ssl ) + 1 + n] << 8 ) + | ( buf[mbedtls_ssl_hs_hdr_len( ssl ) + 2 + n] ) ); #if defined(MBEDTLS_DEBUG_C) unsigned char* sig_alg; size_t i; @@ -2768,11 +2907,14 @@ static int ssl_parse_certificate_request( mbedtls_ssl_context *ssl ) * buf[...hdr_len + 3 + n + sig_alg_len], * which is one less than we need the buf to be. */ - if( ssl->in_hslen <= mbedtls_ssl_hs_hdr_len( ssl ) + 3 + n + sig_alg_len ) + if( ssl->in_hslen <= mbedtls_ssl_hs_hdr_len( ssl ) + + 3 + n + sig_alg_len ) { MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad certificate request message" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR ); return( MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST ); } @@ -2780,8 +2922,9 @@ static int ssl_parse_certificate_request( mbedtls_ssl_context *ssl ) sig_alg = buf + mbedtls_ssl_hs_hdr_len( ssl ) + 3 + n; for( i = 0; i < sig_alg_len; i += 2 ) { - MBEDTLS_SSL_DEBUG_MSG( 3, ( "Supported Signature Algorithm found: %d" - ",%d", sig_alg[i], sig_alg[i + 1] ) ); + MBEDTLS_SSL_DEBUG_MSG( 3, + ( "Supported Signature Algorithm found: %d,%d", + sig_alg[i], sig_alg[i + 1] ) ); } #endif @@ -2870,9 +3013,9 @@ static int ssl_write_client_key_exchange( mbedtls_ssl_context *ssl ) i = 6; ret = mbedtls_dhm_make_public( &ssl->handshake->dhm_ctx, - (int) mbedtls_mpi_size( &ssl->handshake->dhm_ctx.P ), - &ssl->out_msg[i], n, - ssl->conf->f_rng, ssl->conf->p_rng ); + (int) mbedtls_mpi_size( &ssl->handshake->dhm_ctx.P ), + &ssl->out_msg[i], n, + ssl->conf->f_rng, ssl->conf->p_rng ); if( ret != 0 ) { MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_dhm_make_public", ret ); @@ -2883,10 +3026,10 @@ static int ssl_write_client_key_exchange( mbedtls_ssl_context *ssl ) MBEDTLS_SSL_DEBUG_MPI( 3, "DHM: GX", &ssl->handshake->dhm_ctx.GX ); if( ( ret = mbedtls_dhm_calc_secret( &ssl->handshake->dhm_ctx, - ssl->handshake->premaster, - MBEDTLS_PREMASTER_SIZE, - &ssl->handshake->pmslen, - ssl->conf->f_rng, ssl->conf->p_rng ) ) != 0 ) + ssl->handshake->premaster, + MBEDTLS_PREMASTER_SIZE, + &ssl->handshake->pmslen, + ssl->conf->f_rng, ssl->conf->p_rng ) ) != 0 ) { MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_dhm_calc_secret", ret ); return( ret ); @@ -2923,10 +3066,10 @@ static int ssl_write_client_key_exchange( mbedtls_ssl_context *ssl ) MBEDTLS_SSL_DEBUG_ECP( 3, "ECDH: Q", &ssl->handshake->ecdh_ctx.Q ); if( ( ret = mbedtls_ecdh_calc_secret( &ssl->handshake->ecdh_ctx, - &ssl->handshake->pmslen, - ssl->handshake->premaster, - MBEDTLS_MPI_MAX_SIZE, - ssl->conf->f_rng, ssl->conf->p_rng ) ) != 0 ) + &ssl->handshake->pmslen, + ssl->handshake->premaster, + MBEDTLS_MPI_MAX_SIZE, + ssl->conf->f_rng, ssl->conf->p_rng ) ) != 0 ) { MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ecdh_calc_secret", ret ); return( ret ); @@ -2956,15 +3099,17 @@ static int ssl_write_client_key_exchange( mbedtls_ssl_context *ssl ) if( i + 2 + n > MBEDTLS_SSL_MAX_CONTENT_LEN ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "psk identity too long or " - "SSL buffer too short" ) ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "psk identity too long or SSL buffer too short" ) ); return( MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL ); } ssl->out_msg[i++] = (unsigned char)( n >> 8 ); ssl->out_msg[i++] = (unsigned char)( n ); - memcpy( ssl->out_msg + i, ssl->conf->psk_identity, ssl->conf->psk_identity_len ); + memcpy( ssl->out_msg + i, + ssl->conf->psk_identity, + ssl->conf->psk_identity_len ); i += ssl->conf->psk_identity_len; #if defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED) @@ -2992,8 +3137,8 @@ static int ssl_write_client_key_exchange( mbedtls_ssl_context *ssl ) if( i + 2 + n > MBEDTLS_SSL_MAX_CONTENT_LEN ) { - MBEDTLS_SSL_DEBUG_MSG( 1, ( "psk identity or DHM size too long" - " or SSL buffer too short" ) ); + MBEDTLS_SSL_DEBUG_MSG( 1, + ( "psk identity or DHM size too long or SSL buffer too short" ) ); return( MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL ); } @@ -3039,7 +3184,8 @@ static int ssl_write_client_key_exchange( mbedtls_ssl_context *ssl ) if( ( ret = mbedtls_ssl_psk_derive_premaster( ssl, ciphersuite_info->key_exchange ) ) != 0 ) { - MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_psk_derive_premaster", ret ); + MBEDTLS_SSL_DEBUG_RET( + 1, "mbedtls_ssl_psk_derive_premaster", ret ); return( ret ); } } @@ -3232,8 +3378,9 @@ static int ssl_write_certificate_verify( mbedtls_ssl_context *ssl ) * Until we encounter a server that does not, we will take this * shortcut. * - * Reason: Otherwise we should have running hashes for SHA512 and SHA224 - * in order to satisfy 'weird' needs from the server side. + * Reason: Otherwise we should have running hashes for SHA512 and + * SHA224 in order to satisfy 'weird' needs from the server + * side. */ if( ssl->transform_negotiate->ciphersuite_info->mac == MBEDTLS_MD_SHA384 ) @@ -3313,8 +3460,10 @@ static int ssl_parse_new_session_ticket( mbedtls_ssl_context *ssl ) if( ssl->in_msgtype != MBEDTLS_SSL_MSG_HANDSHAKE ) { MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad new session ticket message" ) ); - mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, - MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE ); + mbedtls_ssl_send_alert_message( + ssl, + MBEDTLS_SSL_ALERT_LEVEL_FATAL, + MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE ); return( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE ); }