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Makes lua optional

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This commit is contained in:
Felipe Zimmerle 2017-11-06 00:00:38 -03:00
parent e52bd7d635
commit 7fa5ca9ba0
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GPG Key ID: E6DFB08CE8B11277
6 changed files with 55 additions and 17 deletions
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10
build/lua.m4
View File

@ -63,8 +63,14 @@ if test -z "${LUA_CFLAGS}"; then
fi
else
if test -z "${LUA_MANDATORY}" || test "x${LUA_MANDATORY}" == "xno"; then
LUA_FOUND=2
AC_MSG_NOTICE([LUA is disabled by default.])
LUA_FOUND=1
AC_MSG_NOTICE([using LUA v${LUA_VERSION}])
LUA_CFLAGS="-DWITH_LUA ${LUA_CFLAGS}"
LUA_DISPLAY="${LUA_LDADD} ${LUA_LDFLAGS}, ${LUA_CFLAGS}"
AC_SUBST(LUA_LDFLAGS)
AC_SUBST(LUA_LDADD)
AC_SUBST(LUA_CFLAGS)
AC_SUBST(LUA_DISPLAY)
else
LUA_FOUND=1
AC_MSG_NOTICE([using LUA v${LUA_VERSION}])

22
src/engine/lua.cc
View File

@ -41,6 +41,7 @@ namespace engine {
bool Lua::isCompatible(std::string script, Lua *l, std::string *error) {
#ifdef WITH_LUA
std::string lua(".lua");
std::string err;
@ -57,10 +58,15 @@ bool Lua::isCompatible(std::string script, Lua *l, std::string *error) {
}
return true;
#else
error->assign("Lua support was not enabled.");
return false;
#endif
}
bool Lua::load(std::string script, std::string *err) {
#ifdef WITH_LUA
lua_State *L = NULL;
L = luaL_newstate();
luaL_openlibs(L);
@ -93,9 +99,13 @@ bool Lua::load(std::string script, std::string *err) {
lua_close(L);
return true;
#else
err->assign("Lua support was not enabled.");
return false;
#endif
}
#ifdef WITH_LUA
int Lua::blob_keeper(lua_State *L, const void *p, size_t sz, void *ud) {
LuaScriptBlob *lsb = static_cast<LuaScriptBlob *>(ud);
lsb->write(p, sz);
@ -108,9 +118,10 @@ const char *Lua::blob_reader(lua_State *L, void *ud, size_t *size) {
const char *data = lsb->read(size);
return data;
}
#endif
int Lua::run(Transaction *t) {
#ifdef WITH_LUA
std::string luaRet;
lua_State *L = luaL_newstate();
luaL_openlibs(L);
@ -188,9 +199,14 @@ int Lua::run(Transaction *t) {
}
return true;
#else
t->debug(9, "Lua support was not enabled.");
return false;
#endif
}
#ifdef WITH_LUA
int Lua::log(lua_State *L) {
Transaction *t = NULL;
const char *text;
@ -371,7 +387,7 @@ std::string Lua::applyTransformations(lua_State *L, Transaction *t, int idx, std
return newVar;
}
#endif
} // namespace engines
} // namespace modsecurity

11
src/engine/lua.h
View File

@ -14,8 +14,8 @@
*/
#ifdef WITH_LUA
#endif
#include <lua.hpp>
#endif
#include <iostream>
#include <cstdint>
@ -29,6 +29,7 @@ namespace modsecurity {
class Transaction;
namespace engine {
#ifdef WITH_LUA
class LuaScriptBlob {
public:
LuaScriptBlob() :
@ -61,7 +62,7 @@ class LuaScriptBlob {
unsigned char *m_data;
size_t m_len;
};
#endif
class Lua {
public:
@ -71,6 +72,7 @@ class Lua {
int run(Transaction *t);
static bool isCompatible(std::string script, Lua *l, std::string *error);
#ifdef WITH_LUA
static int blob_keeper(lua_State *L, const void *p, size_t sz, void *ud);
static const char *blob_reader(lua_State *L, void *us, size_t *size);
@ -82,10 +84,11 @@ class Lua {
std::string var);
LuaScriptBlob m_blob;
#endif
std::string m_scriptName;
};
#ifdef WITH_LUA
static const struct luaL_Reg mscLuaLib[] = {
{ "log", Lua::log },
{ "getvar", Lua::getvar },
@ -93,7 +96,7 @@ static const struct luaL_Reg mscLuaLib[] = {
{ "setvar", Lua::setvar },
{ NULL, NULL }
};
#endif
} // namespace engines
} // namespace modsecurity

3
test/regression/regression.cc
View File

@ -435,6 +435,9 @@ int main(int argc, char **argv) {
#ifdef WITH_SSDEEP
resources.push_back("ssdeep");
#endif
#ifdef WITH_LUA
resources.push_back("lua");
#endif
#ifdef NO_LOGS
std::cout << "Test utility cannot work without logging support." \

3
test/test-cases/regression/action-exec.json
View File

@ -3,6 +3,7 @@
"enabled":1,
"version_min":300000,
"version_max":0,
"resource":"lua",
"title":"Testing action :: exec (1/3)",
"client":{
"ip":"200.249.12.31",
@ -51,6 +52,7 @@
"enabled":1,
"version_min":300000,
"version_max":0,
"resource":"lua",
"title":"Testing action :: exec (2/2)",
"client":{
"ip":"200.249.12.31",
@ -98,6 +100,7 @@
"enabled":1,
"version_min":300000,
"version_max":0,
"resource":"lua",
"title":"Testing action :: exec (3/3)",
"client":{
"ip":"200.249.12.31",

23
test/test-cases/regression/operator-inpectFile.json
View File

@ -78,7 +78,7 @@
{
"enabled":1,
"version_min":300000,
"title":"Testing Operator :: @inspectFile (2/3)",
"title":"Testing Operator :: @inspectFile (3/3)",
"client":{
"ip":"200.249.12.31",
"port":123
@ -116,7 +116,8 @@
{
"enabled":1,
"version_min":300000,
"title":"Testing Operator :: @inspectFile - lua (1/1)",
"resource":"lua",
"title":"Testing Operator :: @inspectFile - lua (1/7)",
"client":{
"ip":"200.249.12.31",
"port":123
@ -154,7 +155,8 @@
{
"enabled":1,
"version_min":300000,
"title":"Testing Operator :: @inspectFile - lua (2/2)",
"resource":"lua",
"title":"Testing Operator :: @inspectFile - lua (2/7)",
"client":{
"ip":"200.249.12.31",
"port":123
@ -192,7 +194,8 @@
{
"enabled":1,
"version_min":300000,
"title":"Testing Operator :: @inspectFile - lua (3/3)",
"resource":"lua",
"title":"Testing Operator :: @inspectFile - lua (3/7)",
"client":{
"ip":"200.249.12.31",
"port":123
@ -231,7 +234,8 @@
{
"enabled":1,
"version_min":300000,
"title":"Testing Operator :: @inspectFile - lua (4/4)",
"resource":"lua",
"title":"Testing Operator :: @inspectFile - lua (4/7)",
"client":{
"ip":"200.249.12.31",
"port":123
@ -270,7 +274,8 @@
{
"enabled":1,
"version_min":300000,
"title":"Testing Operator :: @inspectFile - lua (5/5)",
"resource":"lua",
"title":"Testing Operator :: @inspectFile - lua (5/7)",
"client":{
"ip":"200.249.12.31",
"port":123
@ -309,7 +314,8 @@
{
"enabled":1,
"version_min":300000,
"title":"Testing Operator :: @inspectFile - lua (6/?)",
"resource":"lua",
"title":"Testing Operator :: @inspectFile - lua (6/7)",
"client":{
"ip":"200.249.12.31",
"port":123
@ -348,7 +354,8 @@
{
"enabled":1,
"version_min":300000,
"title":"Testing Operator :: @inspectFile - lua (7/?)",
"resource":"lua",
"title":"Testing Operator :: @inspectFile - lua (7/7)",
"client":{
"ip":"200.249.12.31",
"port":123