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mysql: Fix auth_plugin_data_part2 length computation

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Arne Welzel 2024-07-04 10:24:20 +02:00
parent c82756bda4
commit e98b80d140
1 changed files with 3 additions and 2 deletions
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5
src/analyzer/protocol/mysql/mysql-protocol.pac
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@ -240,13 +240,14 @@ type Handshake_v10 = record {
status_flags : uint16;
capability_flags_2 : uint16;
auth_plugin_data_len : uint8;
reserved : padding[10];
auth_plugin_data_part_2: bytestring &length=13;
reserved : padding[10];
auth_plugin_data_part_2: bytestring &length=auth_plugin_data_part_2_len;
have_plugin : case ( ( capability_flags_2 << 16 ) & CLIENT_PLUGIN_AUTH ) of {
CLIENT_PLUGIN_AUTH -> auth_plugin: NUL_String;
0x0 -> none : empty;
};
} &let {
auth_plugin_data_part_2_len = (auth_plugin_data_len > 8 && (auth_plugin_data_len - 8) > 13) ? auth_plugin_data_len - 8 : 13;
update_auth_plugin: bool = $context.connection.set_auth_plugin(auth_plugin)
&if( ( capability_flags_2 << 16 ) & CLIENT_PLUGIN_AUTH );
server_query_attrs: bool = $context.connection.set_server_query_attrs(( capability_flags_2 << 16 ) & CLIENT_QUERY_ATTRIBUTES);