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命中APP相关策略，用户自定义域不再指定子动作，TCP链接发送RST包+DROP包+DROP流；UDP链接：DROP包+DROP流

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liuxueli
2021-06-10 10:27:37 +08:00
parent 1f24c96a95
commit 8d03091016
1 changed files with 47 additions and 45 deletions
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92
src/tsg_entry.cpp
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@@ -584,54 +584,56 @@ static unsigned char deal_deny_action(const struct streaminfo *a_stream, struct
user_region=(struct compile_user_region *)Maat_rule_get_ex_data(g_tsg_maat_feather, p_result, g_tsg_para.table_id[TABLE_SECURITY_COMPILE]);
if(user_region!=NULL)
{
method_type=tsg_get_method_id(user_region->method);
switch(method_type)
{
case TSG_METHOD_TYPE_DROP:
set_drop_stream(a_stream);
//copy_deny_result(a_stream, context, p_result, a_stream->threadnum);
state=APP_STATE_DROPPKT|APP_STATE_DROPME;
break;
case TSG_METHOD_TYPE_RESET:
if(a_stream->type==STREAM_TYPE_TCP)
method_type=tsg_get_method_id(user_region->method);
security_compile_free(g_tsg_para.table_id[TABLE_SECURITY_COMPILE], p_result, NULL, (MAAT_RULE_EX_DATA *)&user_region, 0, NULL);
}
else
{
method_type=TSG_METHOD_TYPE_RESET;
}
switch(method_type)
{
case TSG_METHOD_TYPE_DROP:
set_drop_stream(a_stream);
state=APP_STATE_DROPPKT|APP_STATE_DROPME;
break;
case TSG_METHOD_TYPE_RESET:
if(a_stream->type==STREAM_TYPE_TCP)
{
rst_paras.rst_pkt_num=1;
rst_paras.signature_seed1=65535;
rst_paras.signature_seed2=13;
rst_paras.th_flags=4;
rst_paras.__pad_no_use=0;
rst_paras.dir=DIR_DOUBLE;
ret=MESA_rst_tcp((struct streaminfo *)a_stream, &rst_paras, sizeof(rst_paras));
if(ret<0)
{
rst_paras.rst_pkt_num=1;
rst_paras.signature_seed1=65535;
rst_paras.signature_seed2=13;
rst_paras.th_flags=4;
rst_paras.__pad_no_use=0;
rst_paras.dir=DIR_DOUBLE;
ret=MESA_rst_tcp((struct streaminfo *)a_stream, &rst_paras, sizeof(rst_paras));
if(ret<0)
{
MESA_handle_runtime_log(g_tsg_para.logger,
RLOG_LV_FATAL,
"RST_TCP",
"Send RST failed policy_id: %d service: %d action: %d addr: %s",
p_result->config_id,
p_result->service_id,
(unsigned char)p_result->action,
PRINTADDR(a_stream, g_tsg_para.level)
);
}
opt_value=1;
MESA_set_stream_opt(a_stream, MSO_TCP_RST_REMEDY, (void *)&opt_value, sizeof(opt_value));
MESA_handle_runtime_log(g_tsg_para.logger,
RLOG_LV_FATAL,
"RST_TCP",
"Send RST failed policy_id: %d service: %d action: %d addr: %s",
p_result->config_id,
p_result->service_id,
(unsigned char)p_result->action,
PRINTADDR(a_stream, g_tsg_para.level)
);
}
set_drop_stream(a_stream);
//copy_deny_result(a_stream, context, p_result, a_stream->threadnum);
state=APP_STATE_DROPPKT|APP_STATE_DROPME;
break;
case TSG_METHOD_TYPE_BLOCK:
case TSG_METHOD_TYPE_ALERT:
case TSG_METHOD_TYPE_REDIRECTION:
break;
default:
break;
}
security_compile_free(g_tsg_para.table_id[TABLE_SECURITY_COMPILE], p_result, NULL, (MAAT_RULE_EX_DATA *)&user_region, 0, NULL);
opt_value=1;
MESA_set_stream_opt(a_stream, MSO_TCP_RST_REMEDY, (void *)&opt_value, sizeof(opt_value));
}
set_drop_stream(a_stream);
state=APP_STATE_DROPPKT|APP_STATE_DROPME;
break;
case TSG_METHOD_TYPE_BLOCK:
case TSG_METHOD_TYPE_ALERT:
case TSG_METHOD_TYPE_REDIRECTION:
break;
default:
break;
}
return state;