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fix(userspace/falco): distinguish between sinsp and json events when resolving tokens

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Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
This commit is contained in:
Leonardo Di Donato
2019-09-23 14:13:25 +00:00
committed by Leo Di Donato
parent 944b46cb67
commit 54b3aa9129
3 changed files with 50 additions and 25 deletions
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42
userspace/engine/formats.cpp
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@@ -20,7 +20,6 @@ limitations under the License.
#include <json/json.h>
#include "formats.h"
#include "logger.h"
#include "falco_engine.h"
@@ -266,31 +265,46 @@ int falco_formats::format_event (lua_State *ls)
return 1;
}
#include <iostream>
int falco_formats::resolve_tokens(lua_State *ls)
{
if (!lua_isuserdata(ls, 1) ||
!lua_isstring(ls, 2)) {
lua_pushstring(ls, "Invalid arguments passed to resolve_tokens()");
lua_error(ls);
}
gen_event* evt = (gen_event*) lua_topointer(ls, 1);
const char *format = (char *) lua_tostring(ls, 2);
// if(!lua_isstring(ls, -1) ||
// !lua_isstring(ls, -2) ||
// !lua_islightuserdata(ls, -3))
// {
// lua_pushstring(ls, "Invalid arguments passed to resolve_tokens()");
// lua_error(ls);
// }
gen_event *evt = (gen_event *)lua_topointer(ls, 1);
string source = luaL_checkstring(ls, 2);
const char *format = (char *)lua_tostring(ls, 3);
string sformat = format;
map<string,string> values;
s_formatters->resolve_tokens((sinsp_evt *)evt, sformat, values);
map<string, string> values;
if(source == "syscall")
{
s_formatters->resolve_tokens((sinsp_evt *)evt, sformat, values);
}
// k8s_audit
else
{
json_event_formatter json_formatter(s_engine->json_factory(), sformat);
values = json_formatter.tomap((json_event*) evt);
}
lua_newtable(ls);
int top = lua_gettop(ls);
for (std::map<string, string>::iterator it = values.begin(); it != values.end(); ++it) {
const char* key = it->first.c_str();
const char* value = it->second.c_str();
for(map<string, string>::iterator it = values.begin(); it != values.end(); ++it)
{
std::cout << it->first << ":"<< it->second << ", ";
const char *key = it->first.c_str();
const char *value = it->second.c_str();
lua_pushlstring(ls, key, it->first.size());
lua_pushlstring(ls, value, it->second.size());
lua_settable(ls, top);
}
std::cout << std::endl;
return 1;
}