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LuaEngine.cpp
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LuaEngine.cpp
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/*
*
* (C) 2013-18 - ntop.org
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include "ntop_includes.h"
#ifndef _GETOPT_H
#define _GETOPT_H
#endif
#ifndef LIB_VERSION
#define LIB_VERSION "1.4.7"
#endif
extern "C" {
#include "rrd.h"
};
struct keyval string_to_replace[MAX_NUM_HTTP_REPLACEMENTS] = { { NULL, NULL } };
static Mutex rrd_lock;
static int live_extraction_num = 0;
static Mutex live_extraction_num_lock;
static std::list<char*> new_custom_categories, custom_categories_to_purge;
/* ******************************* */
struct ntopngLuaContext* getUserdata(struct lua_State *vm) {
if(vm) {
struct ntopngLuaContext *userdata;
lua_getglobal(vm, "userdata");
userdata = (struct ntopngLuaContext*) lua_touserdata(vm, lua_gettop(vm));
lua_pop(vm, 1); // undo the push done by lua_getglobal
return(userdata);
} else
return(NULL);
}
/* ******************************* */
#ifdef DUMP_STACK
static void stackDump(lua_State *L) {
int i;
int top = lua_gettop(L);
for(i = 1; i <= top; i++) { /* repeat for each level */
int t = lua_type(L, i);
switch(t) {
case LUA_TSTRING: /* strings */
ntop->getTrace()->traceEvent(TRACE_NORMAL, "%u) %s", i, lua_tostring(L, i));
break;
case LUA_TBOOLEAN: /* booleans */
ntop->getTrace()->traceEvent(TRACE_NORMAL, "%u) %s", i, lua_toboolean(L, i) ? "true" : "false");
break;
case LUA_TNUMBER: /* numbers */
ntop->getTrace()->traceEvent(TRACE_NORMAL, "%u) %g", i, lua_tonumber(L, i));
break;
default: /* other values */
ntop->getTrace()->traceEvent(TRACE_NORMAL, "%u) %s", i, lua_typename(L, t));
break;
}
}
}
#endif
/* ******************************* */
LuaEngine::LuaEngine() {
std::bad_alloc bax;
void *ctx;
#ifdef HAVE_NEDGE
if(!ntop->getPro()->has_valid_license()) {
ntop->getGlobals()->shutdown();
ntop->shutdown();
exit(0);
}
#endif
L = luaL_newstate();
if(!L) {
ntop->getTrace()->traceEvent(TRACE_ERROR, "Unable to create a new Lua state.");
throw bax;
}
ctx = (void*)calloc(1, sizeof(struct ntopngLuaContext));
if(!ctx) {
ntop->getTrace()->traceEvent(TRACE_ERROR, "Unable to create a context for the new Lua state.");
lua_close(L);
throw bax;
}
lua_pushlightuserdata(L, ctx);
lua_setglobal(L, "userdata");
}
/* ******************************* */
LuaEngine::~LuaEngine() {
if(L) {
struct ntopngLuaContext *ctx;
#ifdef DUMP_STACK
stackDump(L);
#endif
ctx = getLuaVMContext(L);
if(ctx) {
#ifndef HAVE_NEDGE
SNMP *snmp = ctx->snmp;
if(snmp) delete snmp;
#endif
if(ctx->pkt_capture.end_capture > 0) {
ctx->pkt_capture.end_capture = 0; /* Force stop */
pthread_join(ctx->pkt_capture.captureThreadLoop, NULL);
}
if((ctx->iface != NULL) && ctx->live_capture.pcaphdr_sent)
ctx->iface->deregisterLiveCapture(ctx);
free(ctx);
}
lua_close(L);
}
}
/* ******************************* */
/**
* @brief Check the expected type of lua function.
* @details Find in the lua stack the function and check the function parameters types.
*
* @param vm The lua state.
* @param func The function name.
* @param pos Index of lua stack.
* @param expected_type Index of expected type.
* @return @ref CONST_LUA_ERROR if the expected type is equal to function type, @ref CONST_LUA_PARAM_ERROR otherwise.
*/
int ntop_lua_check(lua_State* vm, const char* func, int pos, int expected_type) {
if(lua_type(vm, pos) != expected_type) {
ntop->getTrace()->traceEvent(TRACE_ERROR,
"%s : expected %s[@pos %d], got %s", func,
lua_typename(vm, expected_type), pos,
lua_typename(vm, lua_type(vm,pos)));
return(CONST_LUA_PARAM_ERROR);
}
return(CONST_LUA_OK);
}
/* ****************************************** */
static void get_host_vlan_info(char* lua_ip, char** host_ip,
u_int16_t* vlan_id,
char *buf, u_int buf_len) {
char *where, *vlan = NULL;
snprintf(buf, buf_len, "%s", lua_ip);
if(((*host_ip) = strtok_r(buf, "@", &where)) != NULL)
vlan = strtok_r(NULL, "@", &where);
if(*host_ip == NULL)
*host_ip = lua_ip;
if(vlan)
(*vlan_id) = (u_int16_t)atoi(vlan);
}
/* ****************************************** */
static NetworkInterface* handle_null_interface(lua_State* vm) {
char allowed_ifname[MAX_INTERFACE_NAME_LEN];
ntop->getTrace()->traceEvent(TRACE_INFO, "NULL interface: did you restart ntopng in the meantime?");
if(ntop->getInterfaceAllowed(vm, allowed_ifname))
return ntop->getNetworkInterface(allowed_ifname);
return(ntop->getFirstInterface());
}
/* ****************************************** */
static int ntop_dump_file(lua_State* vm) {
char *fname;
FILE *fd;
struct mg_connection *conn;
conn = getLuaVMUserdata(vm, conn);
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
if(ntop_lua_check(vm, __FUNCTION__, 1, LUA_TSTRING) != CONST_LUA_OK) return(CONST_LUA_ERROR);
if((fname = (char*)lua_tostring(vm, 1)) == NULL) return(CONST_LUA_PARAM_ERROR);
ntop->fixPath(fname);
if((fd = fopen(fname, "r")) != NULL) {
char tmp[1024];
ntop->getTrace()->traceEvent(TRACE_INFO, "[HTTP] Serving file %s", fname);
while((fgets(tmp, sizeof(tmp)-256 /* To make sure we have room for replacements */, fd)) != NULL) {
for(int i=0; string_to_replace[i].key != NULL; i++)
Utils::replacestr(tmp, string_to_replace[i].key, string_to_replace[i].val);
mg_printf(conn, "%s", tmp);
}
fclose(fd);
lua_pushnil(vm);
return(CONST_LUA_OK);
} else {
ntop->getTrace()->traceEvent(TRACE_INFO, "Unable to read file %s", fname);
return(CONST_LUA_ERROR);
}
}
/* ****************************************** */
static int ntop_dump_binary_file(lua_State* vm) {
char *fname;
FILE *fd;
struct mg_connection *conn;
conn = getLuaVMUserdata(vm, conn);
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
if(ntop_lua_check(vm, __FUNCTION__, 1, LUA_TSTRING) != CONST_LUA_OK) return(CONST_LUA_ERROR);
if((fname = (char*)lua_tostring(vm, 1)) == NULL) return(CONST_LUA_PARAM_ERROR);
ntop->fixPath(fname);
if((fd = fopen(fname, "rb")) != NULL) {
char tmp[1024];
size_t n;
while((n = fread(tmp, 1, sizeof(tmp), fd)) > 0) {
if(mg_write(conn, tmp, n) < (int) n) break;
}
fclose(fd);
lua_pushnil(vm);
return(CONST_LUA_OK);
} else {
ntop->getTrace()->traceEvent(TRACE_INFO, "Unable to read file %s", fname);
return(CONST_LUA_ERROR);
}
}
/* ****************************************** */
// ***API***
static int ntop_set_active_interface_id(lua_State* vm) {
NetworkInterface *iface;
int id;
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
if(ntop_lua_check(vm, __FUNCTION__, 1, LUA_TNUMBER) != CONST_LUA_OK) return(CONST_LUA_ERROR);
id = (u_int32_t)lua_tonumber(vm, 1);
iface = ntop->getNetworkInterface(vm, id);
ntop->getTrace()->traceEvent(TRACE_INFO, "Index: %d, Name: %s", id, iface ? iface->get_name() : "<unknown>");
if(iface != NULL)
lua_pushstring(vm, iface->get_name());
else
lua_pushnil(vm);
return(CONST_LUA_OK);
}
/* ****************************************** */
static inline bool matches_allowed_ifname(char *allowed_ifname, char *iface) {
return (((allowed_ifname == NULL) || (allowed_ifname[0] == '\0')) /* Periodic script / unrestricted user */
|| (!strncmp(allowed_ifname, iface, strlen(allowed_ifname))));
}
/* ****************************************** */
// ***API***
static int ntop_get_interface_names(lua_State* vm) {
char *allowed_ifname = getLuaVMUserdata(vm, allowed_ifname);
lua_newtable(vm);
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
for(int i=0; i<ntop->get_num_interfaces(); i++) {
NetworkInterface *iface;
/*
We should not call ntop->getInterfaceAtId() as it
manipulates the vm that has been already modified with
lua_newtable(vm) a few lines above.
*/
if((iface = ntop->getInterface(i)) != NULL) {
char num[8], *ifname = iface->get_name();
if(matches_allowed_ifname(allowed_ifname, ifname)) {
ntop->getTrace()->traceEvent(TRACE_DEBUG, "Returning name [%d][%s]", i, ifname);
snprintf(num, sizeof(num), "%d", iface->get_id());
lua_push_str_table_entry(vm, num, ifname);
}
}
}
return(CONST_LUA_OK);
}
/* ****************************************** */
static int ntop_get_first_interface_id(lua_State* vm) {
NetworkInterface *iface;
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
iface = ntop->getFirstInterface();
if(iface) {
lua_pushinteger(vm, iface->get_id());
return(CONST_LUA_OK);
}
return(CONST_LUA_ERROR);
}
/* ****************************************** */
static AddressTree* get_allowed_nets(lua_State* vm) {
AddressTree *ptree;
ptree = getLuaVMUserdata(vm, allowedNets);
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
return(ptree);
}
/* ****************************************** */
static NetworkInterface* getCurrentInterface(lua_State* vm) {
NetworkInterface *ntop_interface;
ntop_interface = getLuaVMUserdata(vm, iface);
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
return(ntop_interface ? ntop_interface : handle_null_interface(vm));
}
/* ****************************************** */
// ***API***
static int ntop_select_interface(lua_State* vm) {
char *ifname;
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
if(lua_type(vm, 1) == LUA_TNIL)
ifname = (char*)"any";
else {
if(ntop_lua_check(vm, __FUNCTION__, 1, LUA_TSTRING) != CONST_LUA_OK) return(CONST_LUA_ERROR);
ifname = (char*)lua_tostring(vm, 1);
}
getLuaVMUservalue(vm, iface) = ntop->getNetworkInterface(vm, ifname);
// lua_pop(vm, 1); /* Cleanup the Lua stack */
lua_pushnil(vm);
return(CONST_LUA_OK);
}
/* ****************************************** */
// ***API***
static int ntop_get_max_if_speed(lua_State* vm) {
char *ifname = NULL;
int ifid;
NetworkInterface *iface;
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
if(lua_type(vm, 1) == LUA_TSTRING) {
ifname = (char*)lua_tostring(vm, 1);
lua_pushinteger(vm, Utils::getMaxIfSpeed(ifname));
} else if(lua_type(vm, 1) == LUA_TNUMBER) {
ifid = lua_tointeger(vm, 1);
if((iface = ntop->getInterfaceById(ifid)) != NULL) {
lua_pushinteger(vm, iface->getMaxSpeed());
} else {
lua_pushnil(vm);
}
} else
lua_pushnil(vm);
return(CONST_LUA_OK);
}
/* ****************************************** */
// ***API***
static int ntop_get_ndpi_interface_stats(lua_State* vm) {
NetworkInterface *ntop_interface = getCurrentInterface(vm);
nDPIStats stats;
char *host_ip = NULL;
u_int16_t vlan_id = 0;
char buf[64];
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
/* Optional host */
if(lua_type(vm, 1) == LUA_TSTRING)
get_host_vlan_info((char*)lua_tostring(vm, 1), &host_ip, &vlan_id, buf, sizeof(buf));
/* Optional VLAN id */
if(lua_type(vm, 2) == LUA_TNUMBER) vlan_id = (u_int16_t)lua_tonumber(vm, 2);
if(ntop_interface) {
ntop_interface->getnDPIStats(&stats, get_allowed_nets(vm), host_ip, vlan_id);
lua_newtable(vm);
stats.lua(ntop_interface, vm);
} else
lua_pushnil(vm);
return(CONST_LUA_OK);
}
/* ****************************************** */
// ***API***
static int ntop_get_host_pools_info(lua_State* vm) {
NetworkInterface *ntop_interface = getCurrentInterface(vm);
if(ntop_interface && ntop_interface->getHostPools()) {
lua_newtable(vm);
ntop_interface->getHostPools()->lua(vm);
return(CONST_LUA_OK);
} else
return(CONST_LUA_ERROR);
}
/* ****************************************** */
#ifdef NTOPNG_PRO
/**
* @brief Get the Host Pool statistics of interface.
*
* @param vm The lua state.
* @return @ref CONST_LUA_OK
*/
static int ntop_get_host_pool_interface_stats(lua_State* vm) {
NetworkInterface *ntop_interface = getCurrentInterface(vm);
nDPIStats stats;
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
if(ntop_interface && ntop_interface->getHostPools()) {
ntop_interface->luaHostPoolsStats(vm);
return(CONST_LUA_OK);
} else
return(CONST_LUA_ERROR);
}
/* ****************************************** */
/**
* @brief Get the Host Pool volatile members
*
* @param vm The lua state.
* @return @ref CONST_LUA_OK
*/
static int ntop_get_host_pool_volatile_members(lua_State* vm) {
NetworkInterface *ntop_interface = getCurrentInterface(vm);
nDPIStats stats;
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
if(ntop_interface && ntop_interface->getHostPools()) {
ntop_interface->luaHostPoolsVolatileMembers(vm);
return(CONST_LUA_OK);
} else
return(CONST_LUA_ERROR);
}
/* ****************************************** */
/**
* @brief Get the SNMP statistics of interface.
*
* @param vm The lua state.
* @return @ref CONST_LUA_OK
*/
static int ntop_interface_get_snmp_stats(lua_State* vm) {
NetworkInterface *ntop_interface = getCurrentInterface(vm);
nDPIStats stats;
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
if(ntop_interface && ntop_interface->getFlowInterfacesStats()) {
ntop_interface->getFlowInterfacesStats()->lua(vm);
return(CONST_LUA_OK);
} else
return(CONST_LUA_ERROR);
}
/* ****************************************** */
/**
* @brief Get the Host statistics corresponding to the amount of host quotas used
*
* @param vm The lua state.
* @return @ref CONST_LUA_OK
*/
static int ntop_get_host_used_quotas_stats(lua_State* vm) {
NetworkInterface *ntop_interface = getCurrentInterface(vm);
Host *h;
char *host_ip;
u_int16_t vlan_id = 0;
char buf[128];
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
if((!ntop_interface))
return(CONST_LUA_ERROR);
if(ntop_lua_check(vm, __FUNCTION__, 1, LUA_TSTRING) != CONST_LUA_OK) return(CONST_LUA_ERROR);
get_host_vlan_info((char*)lua_tostring(vm, 1), &host_ip, &vlan_id, buf, sizeof(buf));
/* Optional VLAN id */
if(lua_type(vm, 2) == LUA_TNUMBER) vlan_id = (u_int16_t)lua_tonumber(vm, 2);
if((h = ntop_interface->getHost(host_ip, vlan_id)))
h->luaUsedQuotas(vm);
else
lua_newtable(vm);
return(CONST_LUA_OK);
}
#endif
/* ****************************************** */
// ***API***
static int ntop_get_ndpi_interface_flows_count(lua_State* vm) {
NetworkInterface *ntop_interface = getCurrentInterface(vm);
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
if(ntop_interface) {
lua_newtable(vm);
ntop_interface->getnDPIFlowsCount(vm);
} else
lua_pushnil(vm);
return(CONST_LUA_OK);
}
/* ****************************************** */
// ***API***
static int ntop_get_ndpi_interface_flows_status(lua_State* vm) {
NetworkInterface *ntop_interface = getCurrentInterface(vm);
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
if(ntop_interface) {
lua_newtable(vm);
ntop_interface->getFlowsStatus(vm);
} else
lua_pushnil(vm);
return(CONST_LUA_OK);
}
/* ****************************************** */
// ***API***
static int ntop_get_ndpi_protocol_name(lua_State* vm) {
NetworkInterface *ntop_interface = getCurrentInterface(vm);
nDPIStats stats;
int proto;
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
if(ntop_lua_check(vm, __FUNCTION__, 1, LUA_TNUMBER) != CONST_LUA_OK) return(CONST_LUA_ERROR);
proto = (u_int32_t)lua_tonumber(vm, 1);
if(proto == HOST_FAMILY_ID)
lua_pushstring(vm, "Host-to-Host Contact");
else {
if(ntop_interface)
lua_pushstring(vm, ntop_interface->get_ndpi_proto_name(proto));
else
lua_pushnil(vm);
}
return(CONST_LUA_OK);
}
/* ****************************************** */
// ***API***
static int ntop_get_ndpi_protocol_id(lua_State* vm) {
NetworkInterface *ntop_interface = getCurrentInterface(vm);
nDPIStats stats;
char *proto;
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
if(ntop_lua_check(vm, __FUNCTION__, 1, LUA_TSTRING) != CONST_LUA_OK) return(CONST_LUA_ERROR);
proto = (char*)lua_tostring(vm, 1);
if(ntop_interface && proto)
lua_pushinteger(vm, ntop_interface->get_ndpi_proto_id(proto));
else
lua_pushnil(vm);
return(CONST_LUA_OK);
}
/* ****************************************** */
// ***API***
static int ntop_get_ndpi_category_id(lua_State* vm) {
NetworkInterface *ntop_interface = getCurrentInterface(vm);
nDPIStats stats;
char *category;
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
if(ntop_lua_check(vm, __FUNCTION__, 1, LUA_TSTRING) != CONST_LUA_OK) return(CONST_LUA_ERROR);
category = (char*)lua_tostring(vm, 1);
if(ntop_interface && category)
lua_pushinteger(vm, ntop_interface->get_ndpi_category_id(category));
else
lua_pushnil(vm);
return(CONST_LUA_OK);
}
/* ****************************************** */
// ***API***
static int ntop_get_ndpi_category_name(lua_State* vm) {
NetworkInterface *ntop_interface = getCurrentInterface(vm);
nDPIStats stats;
ndpi_protocol_category_t category;
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
if(ntop_lua_check(vm, __FUNCTION__, 1, LUA_TNUMBER) != CONST_LUA_OK) return(CONST_LUA_ERROR);
category = (ndpi_protocol_category_t)((int)lua_tonumber(vm, 1));
if(ntop_interface && category)
lua_pushstring(vm, ntop_interface->get_ndpi_category_name(category));
else
lua_pushnil(vm);
return(CONST_LUA_OK);
}
/* ****************************************** */
// ***API***
static int ntop_get_ndpi_protocol_category(lua_State* vm) {
NetworkInterface *ntop_interface = getCurrentInterface(vm);
u_int proto;
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
if(ntop_lua_check(vm, __FUNCTION__, 1, LUA_TNUMBER) != CONST_LUA_OK) return(CONST_LUA_ERROR);
proto = (u_int)lua_tonumber(vm, 1);
if(ntop_interface) {
ndpi_protocol_category_t category = ntop_interface->get_ndpi_proto_category(proto);
lua_newtable(vm);
lua_push_int32_table_entry(vm, "id", category);
lua_push_str_table_entry(vm, "name", (char*)ntop_interface->get_ndpi_category_name(category));
} else
lua_pushnil(vm);
return(CONST_LUA_OK);
}
/* ****************************************** */
// ***API***
static int ntop_set_ndpi_protocol_category(lua_State* vm) {
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
NetworkInterface *ntop_interface = getCurrentInterface(vm);
u_int16_t proto;
ndpi_protocol_category_t category;
if(ntop_lua_check(vm, __FUNCTION__, 1, LUA_TNUMBER) != CONST_LUA_OK) return(CONST_LUA_ERROR);
proto = (u_int16_t)lua_tonumber(vm, 1);
if(ntop_lua_check(vm, __FUNCTION__, 2, LUA_TNUMBER) != CONST_LUA_OK) return(CONST_LUA_ERROR);
category = (ndpi_protocol_category_t)lua_tointeger(vm, 2);
if(ntop_interface)
ntop_interface->setnDPIProtocolCategory(proto, category);
lua_pushnil(vm);
return(CONST_LUA_OK);
}
/* ****************************************** */
/**
* @brief Same as ntop_get_ndpi_protocol_name() with the exception that the protocol breed is returned
*
* @param vm The lua state.
* @return CONST_LUA_ERROR if ntop_interface is null, CONST_LUA_OK otherwise.
*/
static int ntop_get_ndpi_protocol_breed(lua_State* vm) {
NetworkInterface *ntop_interface = getCurrentInterface(vm);
nDPIStats stats;
int proto;
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
if(ntop_lua_check(vm, __FUNCTION__, 1, LUA_TNUMBER) != CONST_LUA_OK) return(CONST_LUA_ERROR);
proto = (u_int32_t)lua_tonumber(vm, 1);
if(proto == HOST_FAMILY_ID)
lua_pushstring(vm, "Unrated-to-Host Contact");
else {
if(ntop_interface)
lua_pushstring(vm, ntop_interface->get_ndpi_proto_breed_name(proto));
else
lua_pushnil(vm);
}
return(CONST_LUA_OK);
}
/* ****************************************** */
static int ntop_get_batched_interface_hosts(lua_State* vm, LocationPolicy location, bool tsLua=false) {
NetworkInterface *ntop_interface = getCurrentInterface(vm);
bool show_details = true, filtered_hosts = false, blacklisted_hosts = false, hide_top_hidden = false;
char *sortColumn = (char*)"column_ip", *country = NULL, *os_filter = NULL, *mac_filter = NULL;
bool a2zSortOrder = true;
u_int16_t vlan_filter = (u_int16_t)-1;
u_int32_t asn_filter = (u_int32_t)-1;
int16_t network_filter = -2;
u_int16_t pool_filter = (u_int16_t)-1;
u_int8_t ipver_filter = 0;
int proto_filter = -1;
TrafficType traffic_type_filter = traffic_type_all;
u_int32_t toSkip = 0, maxHits = CONST_MAX_NUM_HITS;
u_int32_t begin_slot = 0;
bool walk_all = false;
bool anomalousOnly = false;
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
if(lua_type(vm, 1) == LUA_TNUMBER) begin_slot = (u_int32_t)lua_tonumber(vm, 1);
if(lua_type(vm, 2) == LUA_TBOOLEAN) show_details = lua_toboolean(vm, 2) ? true : false;
if(lua_type(vm, 3) == LUA_TNUMBER) maxHits = (u_int32_t)lua_tonumber(vm, 3);
if(lua_type(vm, 4) == LUA_TBOOLEAN) anomalousOnly = lua_toboolean(vm, 4);
if((!ntop_interface)
|| ntop_interface->getActiveHostsList(vm,
&begin_slot, walk_all,
0, /* bridge InterfaceId - TODO pass Id 0,1 for bridge devices*/
get_allowed_nets(vm),
show_details, location,
country, mac_filter,
vlan_filter, os_filter, asn_filter,
network_filter, pool_filter, filtered_hosts, blacklisted_hosts, hide_top_hidden,
ipver_filter, proto_filter,
traffic_type_filter, tsLua /* host->tsLua | host->lua */,
anomalousOnly, sortColumn, maxHits,
toSkip, a2zSortOrder) < 0)
return(CONST_LUA_ERROR);
return(CONST_LUA_OK);
}
/* ****************************************** */
static int ntop_get_interface_hosts(lua_State* vm, LocationPolicy location) {
NetworkInterface *ntop_interface = getCurrentInterface(vm);
bool show_details = true, filtered_hosts = false, blacklisted_hosts = false;
char *sortColumn = (char*)"column_ip", *country = NULL, *os_filter = NULL, *mac_filter = NULL;
bool a2zSortOrder = true;
u_int16_t vlan_filter = (u_int16_t)-1;
u_int32_t asn_filter = (u_int32_t)-1;
int16_t network_filter = -2;
u_int16_t pool_filter = (u_int16_t)-1;
u_int8_t ipver_filter = 0;
TrafficType traffic_type_filter = traffic_type_all;
int proto_filter = -1;
u_int32_t toSkip = 0, maxHits = CONST_MAX_NUM_HITS;
u_int32_t begin_slot = 0;
bool walk_all = true;
bool hide_top_hidden = false;
bool anomalousOnly = false;
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
if(lua_type(vm, 1) == LUA_TBOOLEAN) show_details = lua_toboolean(vm, 1) ? true : false;
if(lua_type(vm, 2) == LUA_TSTRING) sortColumn = (char*)lua_tostring(vm, 2);
if(lua_type(vm, 3) == LUA_TNUMBER) maxHits = (u_int16_t)lua_tonumber(vm, 3);
if(lua_type(vm, 4) == LUA_TNUMBER) toSkip = (u_int16_t)lua_tonumber(vm, 4);
if(lua_type(vm, 5) == LUA_TBOOLEAN) a2zSortOrder = lua_toboolean(vm, 5) ? true : false;
if(lua_type(vm, 6) == LUA_TSTRING) country = (char*)lua_tostring(vm, 6);
if(lua_type(vm, 7) == LUA_TSTRING) os_filter = (char*)lua_tostring(vm, 7);
if(lua_type(vm, 8) == LUA_TNUMBER) vlan_filter = (u_int16_t)lua_tonumber(vm, 8);
if(lua_type(vm, 9) == LUA_TNUMBER) asn_filter = (u_int32_t)lua_tonumber(vm, 9);
if(lua_type(vm,10) == LUA_TNUMBER) network_filter = (int16_t)lua_tonumber(vm, 10);
if(lua_type(vm,11) == LUA_TSTRING) mac_filter = (char*)lua_tostring(vm, 11);
if(lua_type(vm,12) == LUA_TNUMBER) pool_filter = (u_int16_t)lua_tonumber(vm, 12);
if(lua_type(vm,13) == LUA_TNUMBER) ipver_filter = (u_int8_t)lua_tonumber(vm, 13);
if(lua_type(vm,14) == LUA_TNUMBER) proto_filter = (int)lua_tonumber(vm, 14);
if(lua_type(vm,15) == LUA_TBOOLEAN) traffic_type_filter = lua_toboolean(vm, 15) ? traffic_type_one_way : traffic_type_bidirectional;
if(lua_type(vm,16) == LUA_TBOOLEAN) filtered_hosts = lua_toboolean(vm, 16);
if(lua_type(vm,17) == LUA_TBOOLEAN) blacklisted_hosts = lua_toboolean(vm, 17);
if(lua_type(vm,18) == LUA_TBOOLEAN) hide_top_hidden = lua_toboolean(vm, 18);
if((!ntop_interface)
|| ntop_interface->getActiveHostsList(vm,
&begin_slot, walk_all,
0, /* bridge InterfaceId - TODO pass Id 0,1 for bridge devices*/
get_allowed_nets(vm),
show_details, location,
country, mac_filter,
vlan_filter, os_filter, asn_filter,
network_filter, pool_filter, filtered_hosts, blacklisted_hosts, hide_top_hidden,
ipver_filter, proto_filter,
traffic_type_filter, false /* host->lua */, anomalousOnly,
sortColumn, maxHits,
toSkip, a2zSortOrder) < 0)
return(CONST_LUA_ERROR);
return(CONST_LUA_OK);
}
/* ****************************************** */
/* Receives in input a Lua table, having mac address as keys and tables as values. Every IP address found for a mac is inserted into the table as an 'ip' field. */
static int ntop_add_macs_ip_addresses(lua_State* vm) {
NetworkInterface *ntop_interface = getCurrentInterface(vm);
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
if(ntop_lua_check(vm, __FUNCTION__, 1, LUA_TTABLE) != CONST_LUA_OK) return(CONST_LUA_ERROR);
if((!ntop_interface) || ntop_interface->getMacsIpAddresses(vm, 1) < 0)
return(CONST_LUA_ERROR);
lua_pushnil(vm);
return(CONST_LUA_OK);
}
/* ****************************************** */
// ***API***
static int ntop_get_grouped_interface_hosts(lua_State* vm) {
NetworkInterface *ntop_interface = getCurrentInterface(vm);
bool show_details = true;
char *country = NULL, *os_filter = NULL;
char *groupBy = (char*)"column_ip";
bool filtered_hosts = false;
u_int16_t vlan_filter = (u_int16_t)-1;
u_int32_t asn_filter = (u_int32_t)-1;
u_int16_t pool_filter = (u_int16_t)-1;
u_int8_t ipver_filter = (u_int8_t)-1;
int16_t network_filter = -2;
u_int32_t begin_slot = 0;
bool walk_all = true;
ntop->getTrace()->traceEvent(TRACE_DEBUG, "%s() called", __FUNCTION__);
if(lua_type(vm, 1) == LUA_TBOOLEAN) show_details = lua_toboolean(vm, 1) ? true : false;
if(lua_type(vm, 2) == LUA_TSTRING) groupBy = (char*)lua_tostring(vm, 2);
if(lua_type(vm, 3) == LUA_TSTRING) country = (char*)lua_tostring(vm, 3);
if(lua_type(vm, 4) == LUA_TSTRING) os_filter = (char*)lua_tostring(vm, 4);
if(lua_type(vm, 5) == LUA_TNUMBER) vlan_filter = (u_int16_t)lua_tonumber(vm, 5);
if(lua_type(vm, 6) == LUA_TNUMBER) asn_filter = (u_int32_t)lua_tonumber(vm, 6);
if(lua_type(vm, 7) == LUA_TNUMBER) network_filter = (int16_t)lua_tonumber(vm, 7);
if(lua_type(vm, 8) == LUA_TNUMBER) pool_filter = (u_int16_t)lua_tonumber(vm, 8);
if(lua_type(vm, 9) == LUA_TNUMBER) ipver_filter = (u_int8_t)lua_tonumber(vm, 9);
if((!ntop_interface)
|| ntop_interface->getActiveHostsGroup(vm,
&begin_slot, walk_all,
get_allowed_nets(vm),
show_details, location_all,
country,
vlan_filter, os_filter,
asn_filter, network_filter,
pool_filter, filtered_hosts, ipver_filter, groupBy) < 0)
return(CONST_LUA_ERROR);
return(CONST_LUA_OK);
}
/* ****************************************** */
static u_int8_t str_2_location(const char *s) {
if(! strcmp(s, "lan")) return located_on_lan_interface;
else if(! strcmp(s, "wan")) return located_on_wan_interface;
else if(! strcmp(s, "unknown")) return located_on_unknown_interface;
return (u_int8_t)-1;
}
/* ****************************************** */
// ***API***
static int ntop_get_interface_macs_info(lua_State* vm) {
NetworkInterface *ntop_interface = getCurrentInterface(vm);
char *sortColumn = (char*)"column_mac";
const char* manufacturer = NULL;
u_int32_t toSkip = 0, maxHits = CONST_MAX_NUM_HITS;
u_int16_t pool_filter = (u_int16_t)-1;
u_int8_t devtype_filter = (u_int8_t)-1;
bool a2zSortOrder = true, sourceMacsOnly = false, dhcpMacsOnly = false;
u_int8_t location_filter = (u_int8_t)-1;
u_int32_t begin_slot = 0;
bool walk_all = true;
if(lua_type(vm, 1) == LUA_TSTRING) sortColumn = (char*)lua_tostring(vm, 1);
if(lua_type(vm, 2) == LUA_TNUMBER) maxHits = (u_int16_t)lua_tonumber(vm, 2);
if(lua_type(vm, 3) == LUA_TNUMBER) toSkip = (u_int16_t)lua_tonumber(vm, 3);
if(lua_type(vm, 4) == LUA_TBOOLEAN) a2zSortOrder = lua_toboolean(vm, 4);
if(lua_type(vm, 5) == LUA_TBOOLEAN) sourceMacsOnly = lua_toboolean(vm, 5);
if(lua_type(vm, 6) == LUA_TSTRING) manufacturer = lua_tostring(vm, 6);
if(lua_type(vm, 7) == LUA_TNUMBER) pool_filter = (u_int16_t)lua_tonumber(vm, 7);
if(lua_type(vm, 8) == LUA_TNUMBER) devtype_filter = (u_int8_t)lua_tonumber(vm, 8);
if(lua_type(vm, 9) == LUA_TSTRING) location_filter = str_2_location(lua_tostring(vm, 9));
if(lua_type(vm, 10) == LUA_TBOOLEAN) dhcpMacsOnly = lua_toboolean(vm, 10);
if(!ntop_interface ||
ntop_interface->getActiveMacList(vm,
&begin_slot, walk_all,
0, /* bridge InterfaceId - TODO pass Id 0,1 for bridge devices*/
sourceMacsOnly, dhcpMacsOnly, manufacturer,
sortColumn, maxHits,
toSkip, a2zSortOrder, pool_filter, devtype_filter, location_filter) < 0)
return(CONST_LUA_ERROR);
return(CONST_LUA_OK);
}
/* ****************************************** */
static int ntop_get_batched_interface_macs_info(lua_State* vm) {
NetworkInterface *ntop_interface = getCurrentInterface(vm);
char *sortColumn = (char*)"column_mac";
const char* manufacturer = NULL;
u_int32_t toSkip = 0, maxHits = CONST_MAX_NUM_HITS;
u_int16_t pool_filter = (u_int16_t)-1;
u_int8_t devtype_filter = (u_int8_t)-1;
bool a2zSortOrder = true, sourceMacsOnly = false, dhcpMacsOnly = false;
u_int8_t location_filter = (u_int8_t)-1;
u_int32_t begin_slot = 0;
bool walk_all = false;
if(lua_type(vm, 1) == LUA_TNUMBER) begin_slot = (u_int16_t)lua_tonumber(vm, 1);