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A bit of MySQL cleanup - removed unused events, consolidated similar events, fixed up main.bro a bit

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This commit is contained in:
Vlad Grigorescu 2014-10-28 16:25:32 -06:00
parent 45d5080870
commit e2ad93c543
6 changed files with 167 additions and 82 deletions
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38
scripts/base/protocols/mysql/consts.bro Normal file
View file

@ -0,0 +1,38 @@
module MySQL;
export {
const commands: table[count] of string = {
[0] = "sleep",
[1] = "quit",
[2] = "init_db",
[3] = "query",
[4] = "field_list",
[5] = "create_db",
[6] = "drop_db",
[7] = "refresh",
[8] = "shutdown",
[9] = "statistics",
[10] = "process_info",
[11] = "connect",
[12] = "process_kill",
[13] = "debug",
[14] = "ping",
[15] = "time",
[16] = "delayed_insert",
[17] = "change_user",
[18] = "binlog_dump",
[19] = "table_dump",
[20] = "connect_out",
[21] = "register_slave",
[22] = "stmt_prepare",
[23] = "stmt_execute",
[24] = "stmt_send_long_data",
[25] = "stmt_close",
[26] = "stmt_reset",
[27] = "set_option",
[28] = "stmt_fetch",
[29] = "daemon",
[30] = "binlog_dump_gtid",
[31] = "reset_connection",
} &default=function(i: count): string { return fmt("unknown-%d", i); };
}

77
scripts/base/protocols/mysql/main.bro
View file

@ -2,6 +2,8 @@
module MySQL;
@load ./consts
export {
redef enum Log::ID += { mysql::LOG };
@ -33,48 +35,13 @@ redef record connection += {
const ports = { 1434/tcp, 3306/tcp };
const commands: table[count] of string = {
[0] = "sleep",
[1] = "quit",
[2] = "init_db",
[3] = "query",
[4] = "field_list",
[5] = "create_db",
[6] = "drop_db",
[7] = "refresh",
[8] = "shutdown",
[9] = "statistics",
[10] = "process_info",
[11] = "connect",
[12] = "process_kill",
[13] = "debug",
[14] = "ping",
[15] = "time",
[16] = "delayed_insert",
[17] = "change_user",
[18] = "binlog_dump",
[19] = "table_dump",
[20] = "connect_out",
[21] = "register_slave",
[22] = "stmt_prepare",
[23] = "stmt_execute",
[24] = "stmt_send_long_data",
[25] = "stmt_close",
[26] = "stmt_reset",
[27] = "set_option",
[28] = "stmt_fetch",
[29] = "daemon",
[30] = "binlog_dump_gtid",
[31] = "reset_connection",
} &default=function(i: count): string { return fmt("unknown-%d", i); };
event bro_init() &priority=5
{
Log::create_stream(mysql::LOG, [$columns=Info, $ev=log_mysql]);
Analyzer::register_for_ports(Analyzer::ANALYZER_MYSQL, ports);
}
event mysql_handshake_response(c: connection, username: string)
event mysql_handshake(c: connection, username: string)
{
if ( !c?$mysql )
{
@ -88,7 +55,7 @@ event mysql_handshake_response(c: connection, username: string)
}
}
event mysql_command_request(c: connection, command: count, arg: string)
event mysql_command_request(c: connection, command: count, arg: string) &priority=5
{
if ( !c?$mysql )
{
@ -99,6 +66,13 @@ event mysql_command_request(c: connection, command: count, arg: string)
info$cmd = commands[command];
info$arg = sub(arg, /\0$/, "");
c$mysql = info;
}
}
event mysql_command_request(c: connection, command: count, arg: string) &priority=-5
{
if ( !c?$mysql )
{
if ( command == 1 )
{
# We get no response for quits, so let's just log it now.
@ -108,34 +82,37 @@ event mysql_command_request(c: connection, command: count, arg: string)
}
}
event mysql_command_response(c: connection, response: count)
{
if ( c?$mysql )
{
c$mysql$result = "ok";
c$mysql$response = fmt("Affected rows: %d", response);
Log::write(mysql::LOG, c$mysql);
delete c$mysql;
}
}
event mysql_error(c: connection, code: count, msg: string)
event mysql_error(c: connection, code: count, msg: string) &priority=5
{
if ( c?$mysql )
{
c$mysql$result = "error";
c$mysql$response = msg;
}
}
event mysql_error(c: connection, code: count, msg: string) &priority=-5
{
if ( c?$mysql )
{
Log::write(mysql::LOG, c$mysql);
delete c$mysql;
}
}
event mysql_ok(c: connection, affected_rows: count)
event mysql_ok(c: connection, affected_rows: count) &priority=5
{
if ( c?$mysql )
{
c$mysql$result = "ok";
c$mysql$response = fmt("Affected rows: %d", affected_rows);
}
}
event mysql_ok(c: connection, affected_rows: count) &priority=-5
{
if ( c?$mysql )
{
Log::write(mysql::LOG, c$mysql);
delete c$mysql;
}