mirror of
https://github.com/nmap/nmap.git
synced 2025-12-30 11:29:01 +00:00
Updated some macros to clean up code. Moved
porttests and hosttests to Lua's registry where they belong.
This commit is contained in:
41
nse_init.cc
41
nse_init.cc
@@ -69,7 +69,7 @@ static int loadfile (lua_State *L)
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lua_createtable(L, 0, 11); // Environment for script
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lua_pushvalue(L, 1); // tell the script about its filename
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lua_setfield(L, -2, "filename");
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lua_setfield(L, -2, FILENAME);
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lua_pushnumber(L, 1.0); // set a default RUNLEVEL
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lua_setfield(L, -2, RUNLEVEL);
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@@ -87,7 +87,7 @@ static int loadfile (lua_State *L)
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lua_setfenv(L, -2); // set it
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lua_call(L, 0, 0); // Call the function (loads globals)
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/* Check some required fields */
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// Check some required fields
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for (i = 0; i < ARRAY_LEN(required_fields); i++)
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{
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lua_pushstring(L, required_fields[i]);
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@@ -111,7 +111,7 @@ static int loadfile (lua_State *L)
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if (!lua_isnil(L, -2))
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{
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lua_pop(L, 2); // pop port/host rules
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lua_getglobal(L, PORTTESTS); // Get global PORTTESTS table
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lua_getfield(L, LUA_REGISTRYINDEX, PORTTESTS); // Get global PORTTESTS table
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lua_pushvalue(L, -2); // script's environment
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lua_rawseti(L, -2, lua_objlen(L, -2) + 1); // add it
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lua_pop(L, 1); // pop the porttests table
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@@ -119,7 +119,7 @@ static int loadfile (lua_State *L)
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else if (!lua_isnil(L, -1))
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{
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lua_pop(L, 2);
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lua_getglobal(L, HOSTTESTS);
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lua_getfield(L, LUA_REGISTRYINDEX, HOSTTESTS);
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lua_pushvalue(L, -2);
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lua_rawseti(L, -2, lua_objlen(L, -2) + 1);
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lua_pop(L, 1); // pop the hosttests table
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@@ -212,16 +212,16 @@ int init_lua (lua_State *L)
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lua_getfield(L, LUA_REGISTRYINDEX, "_LOADED"); // Loaded libraries
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for (i = 0; i < ARRAY_LEN(libs); i++) // for each in libs
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{
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{
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lua_pushstring(L, libs[i].name);
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lua_pushcclosure(L, libs[i].func, 0);
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lua_pushvalue(L, -2);
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lua_call(L, 1, 1);
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if (lua_isnil(L, -1))
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{
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{
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lua_getglobal(L, libs[i].name); // library?
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if (!lua_istable(L, -1))
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{
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{
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lua_pop(L, 2);
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lua_pushboolean(L, true);
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}
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@@ -232,8 +232,8 @@ int init_lua (lua_State *L)
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}
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lua_pop(L, 1); // _LOADED
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lua_getglobal(L, "debug"); // _LOADED.debug
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lua_getfield(L, -1, "traceback");
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lua_getglobal(L, "debug"); // debug
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lua_getfield(L, -1, "traceback"); lua_replace(L, -2); // replace debug table
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lua_pushcclosure(L, error_function, 1);
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errfunc = luaL_ref(L, LUA_REGISTRYINDEX);
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@@ -249,7 +249,7 @@ int init_lua (lua_State *L)
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/* int init_parseargs (lua_State *L)
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*
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* Arguments
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* args Arguments passed through --script-args, or "" if it wasn't used
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* args Arguments passed through --script-args
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* Returns
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* function Function that returns a table with the arguments, or an error
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* message describing why the arguments could not be parsed.
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@@ -465,8 +465,8 @@ static int entry (lua_State *L)
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luaL_checktype(L, 1, LUA_TTABLE); // Sole argument is a table
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lua_settop(L, 1);
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lua_getfield(L, 1, "category"); // index 2
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lua_getfield(L, 1, "filename"); // index 3
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lua_getfield(L, 1, CATEGORY); // index 2
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lua_getfield(L, 1, FILENAME); // index 3
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if (!(lua_isstring(L, 2) && lua_isstring(L, 3)))
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luaL_error(L, "bad entry in script database");
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lua_pushvalue(L, 3); // filename
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@@ -590,7 +590,7 @@ static int loadcategories (lua_State *L)
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* Arguments
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* ... All the categories/scripts/directories passed via --script
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*
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* This function adds the PORTTESTS and HOSTTESTS globals to the main state.
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* This function adds the PORTTESTS and HOSTTESTS to the main state.
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* Then it calls pick_default_categories to check for illegally passed implicit
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* categories (which it will add otherwise). Next, loadcategories is called
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* to load all the viable files for which a category was chosen. The unused
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@@ -602,10 +602,10 @@ int init_rules (lua_State *L)
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int top = lua_gettop(L); // number of categories/scripts
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lua_newtable(L);
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lua_setglobal(L, PORTTESTS);
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lua_setfield(L, LUA_REGISTRYINDEX, PORTTESTS);
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lua_newtable(L);
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lua_setglobal(L, HOSTTESTS);
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lua_setfield(L, LUA_REGISTRYINDEX, HOSTTESTS);
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lua_pushcclosure(L, pick_default_categories, 0);
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lua_insert(L, 1);
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@@ -662,13 +662,10 @@ int init_rules (lua_State *L)
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// Compute some stats
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SCRIPT_ENGINE_DEBUGGING(
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int rules_count;
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lua_getglobal(L, HOSTTESTS);
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rules_count = lua_objlen(L, -1);
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lua_getglobal(L, PORTTESTS);
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rules_count += lua_objlen(L, -1);
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size_t rules_count;
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lua_getfield(L, LUA_REGISTRYINDEX, HOSTTESTS);
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lua_getfield(L, LUA_REGISTRYINDEX, PORTTESTS);
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rules_count = table_length(L, -2) + table_length(L, -1);
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lua_pop(L, 2);
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log_write(LOG_STDOUT, "%s: Initialized %d rules\n", SCRIPT_ENGINE, rules_count);
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)
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