![Luis Ontanon](/assets/img/avatar_default.png)
... It also fixes a lua compile warning/error in wslua_gui.c. ... svn path=/trunk/; revision=21656
641 lines
17 KiB
C
641 lines
17 KiB
C
/*
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* wslua_gui.c
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*
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* (c) 2006, Luis E. Garcia Ontanon <luis.ontanon@gmail.com>
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "wslua.h"
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/* WSLUA_MODULE Gui GUI support */
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static const funnel_ops_t* ops = NULL;
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struct _lua_menu_data {
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lua_State* L;
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int cb_ref;
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};
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static int menu_cb_error_handler(lua_State* L) {
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const gchar* error = lua_tostring(L,1);
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report_failure("Lua: Error During execution of Menu Callback:\n %s",error);
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return 0;
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}
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WSLUA_FUNCTION wslua_gui_enabled(lua_State* L) { /* Checks whether the GUI facility is enabled. */
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lua_pushboolean(L,GPOINTER_TO_INT(ops && ops->add_button));
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WSLUA_RETURN(1); /* A boolean: true if it is enabled, false if it isn't. */
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}
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void lua_menu_callback(gpointer data) {
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struct _lua_menu_data* md = data;
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lua_State* L = md->L;
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lua_settop(L,0);
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lua_pushcfunction(L,menu_cb_error_handler);
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lua_rawgeti(L, LUA_REGISTRYINDEX, md->cb_ref);
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switch ( lua_pcall(L,0,0,1) ) {
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case 0:
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break;
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case LUA_ERRRUN:
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g_warning("Runtime error while calling menu callback");
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break;
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case LUA_ERRMEM:
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g_warning("Memory alloc error while calling menu callback");
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break;
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default:
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g_assert_not_reached();
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break;
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}
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return;
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}
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WSLUA_FUNCTION wslua_register_menu(lua_State* L) { /* Register a menu item in the Statistics menu. */
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#define WSLUA_ARG_register_menu_NAME 1 /* The name of the menu item. */
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#define WSLUA_ARG_register_menu_ACTION 2 /* The function to be called when the menu item is invoked. */
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#define WSLUA_ARG_register_menu_GROUP 3 /* The menu group into which the menu item is to be inserted. */
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const gchar* name = luaL_checkstring(L,WSLUA_ARG_register_menu_NAME);
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struct _lua_menu_data* md;
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gboolean retap = FALSE;
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register_stat_group_t group = (int)luaL_optnumber(L,WSLUA_ARG_register_menu_GROUP,REGISTER_STAT_GROUP_GENERIC);
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if ( group > REGISTER_TOOLS_GROUP_NONE)
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WSLUA_ARG_ERROR(register_menu,GROUP,"must be a defined MENU_* (see init.lua)");
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if(!name)
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WSLUA_ARG_ERROR(register_menu,NAME,"must be a string");
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if (!lua_isfunction(L,WSLUA_ARG_register_menu_ACTION))
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WSLUA_ARG_ERROR(register_menu,ACTION,"must be a function");
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md = g_malloc(sizeof(struct _lua_menu_data));
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md->L = L;
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lua_pushvalue(L, 2);
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md->cb_ref = luaL_ref(L, LUA_REGISTRYINDEX);
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lua_remove(L,2);
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funnel_register_menu(name,
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group,
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lua_menu_callback,
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md,
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retap);
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WSLUA_RETURN(0);
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}
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struct _dlg_cb_data {
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lua_State* L;
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int func_ref;
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};
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static int dlg_cb_error_handler(lua_State* L) {
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const gchar* error = lua_tostring(L,1);
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report_failure("Lua: Error During execution of dialog callback:\n %s",error);
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return 0;
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}
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static void lua_dialog_cb(gchar** user_input, void* data) {
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struct _dlg_cb_data* dcbd = data;
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int i = 0;
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gchar* input;
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lua_State* L = dcbd->L;
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lua_settop(L,0);
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lua_pushcfunction(L,dlg_cb_error_handler);
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lua_rawgeti(L, LUA_REGISTRYINDEX, dcbd->func_ref);
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for (i = 0; (input = user_input[i]) ; i++) {
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lua_pushstring(L,input);
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g_free(input);
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}
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g_free(user_input);
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switch ( lua_pcall(L,i,0,1) ) {
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case 0:
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break;
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case LUA_ERRRUN:
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g_warning("Runtime error while calling dialog callback");
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break;
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case LUA_ERRMEM:
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g_warning("Memory alloc error while calling dialog callback");
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break;
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default:
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g_assert_not_reached();
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break;
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}
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}
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WSLUA_FUNCTION wslua_new_dialog(lua_State* L) { /* Pops up a new dialog */
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#define WSLUA_ARG_new_dialog_TITLE 1 /* Title of the dialog's window. */
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#define WSLUA_ARG_new_dialog_ACTION 2 /* Action to be performed when OKd. */
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/* WSLUA_MOREARGS new_dialog A series of strings to be used as labels of the dialog's fields */
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const gchar* title;
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int top = lua_gettop(L);
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int i;
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GPtrArray* labels;
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struct _dlg_cb_data* dcbd;
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if (! ops) {
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luaL_error(L,"the GUI facility has to be enabled");
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return 0;
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}
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if (! (title = luaL_checkstring(L,WSLUA_ARG_new_dialog_TITLE)) ) {
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WSLUA_ARG_ERROR(new_dialog,TITLE,"must be a string");
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return 0;
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}
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if (! lua_isfunction(L,WSLUA_ARG_new_dialog_ACTION)) {
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WSLUA_ARG_ERROR(new_dialog,ACTION,"must be a function");
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return 0;
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}
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if (top < 3) {
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WSLUA_ERROR(new_dialog,"at least one field required");
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return 0;
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}
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dcbd = g_malloc(sizeof(struct _dlg_cb_data));
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dcbd->L = L;
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lua_remove(L,1);
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lua_pushvalue(L, 1);
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dcbd->func_ref = luaL_ref(L, LUA_REGISTRYINDEX);
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lua_remove(L,1);
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labels = g_ptr_array_new();
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top -= 2;
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for (i = 1; i <= top; i++) {
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gchar* label = (void*)luaL_checkstring(L,i);
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/* XXX leaks labels on error */
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if (! label)
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WSLUA_ERROR(new_dialog,"all fields must be strings");
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g_ptr_array_add(labels,label);
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}
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g_ptr_array_add(labels,NULL);
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ops->new_dialog(title, (const gchar**)labels->pdata, lua_dialog_cb, dcbd);
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g_ptr_array_free(labels,FALSE);
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WSLUA_RETURN(0);
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}
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WSLUA_CLASS_DEFINE(TextWindow,NOP,NOP); /* Manages a text window. */
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/* XXX: button and close callback data is being leaked */
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WSLUA_CONSTRUCTOR TextWindow_new(lua_State* L) { /* Creates a new TextWindow. */
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#define WSLUA_OPTARG_TextWindow_new_TITLE 1 /* Title of the new window. */
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const gchar* title;
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TextWindow tw;
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title = luaL_optstring(L,WSLUA_OPTARG_TextWindow_new_TITLE,"Untitled Window");
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tw = ops->new_text_window(title);
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pushTextWindow(L,tw);
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WSLUA_RETURN(1); /* The newly created TextWindow object. */
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}
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struct _close_cb_data {
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lua_State* L;
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int func_ref;
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};
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int text_win_close_cb_error_handler(lua_State* L) {
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const gchar* error = lua_tostring(L,1);
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report_failure("Lua: Error During execution of TextWindow close callback:\n %s",error);
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return 0;
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}
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static void text_win_close_cb(void* data) {
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struct _close_cb_data* cbd = data;
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lua_State* L = cbd->L;
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lua_settop(L,0);
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lua_pushcfunction(L,text_win_close_cb_error_handler);
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lua_rawgeti(L, LUA_REGISTRYINDEX, cbd->func_ref);
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switch ( lua_pcall(L,0,0,1) ) {
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case 0:
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break;
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case LUA_ERRRUN:
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g_warning("Runtime error during execution of TextWindow close callback");
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break;
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case LUA_ERRMEM:
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g_warning("Memory alloc error during execution of TextWindow close callback");
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break;
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default:
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g_assert_not_reached();
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break;
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}
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}
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WSLUA_METHOD TextWindow_set_atclose(lua_State* L) { /* Set the function that will be called when the window closes */
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#define WSLUA_ARG_TextWindow_at_close_ACTION 2 /* A function to be executed when the user closes the window */
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TextWindow tw = checkTextWindow(L,1);
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struct _close_cb_data* cbd;
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if (!tw)
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WSLUA_ERROR(TextWindow_at_close,"cannot be called for something not a TextWindow");
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lua_settop(L,2);
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if (! lua_isfunction(L,2))
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WSLUA_ARG_ERROR(TextWindow_at_close,ACTION,"must be a function");
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cbd = g_malloc(sizeof(struct _close_cb_data));
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cbd->L = L;
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cbd->func_ref = luaL_ref(L, LUA_REGISTRYINDEX);
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ops->set_close_cb(tw,text_win_close_cb,cbd);
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pushTextWindow(L,tw);
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WSLUA_RETURN(1); /* The TextWindow object. */
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}
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WSLUA_METHOD TextWindow_set(lua_State* L) { /* Sets the text. */
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#define WSLUA_ARG_TextWindow_set_TEXT 2 /* The text to be used. */
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TextWindow tw = checkTextWindow(L,1);
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const gchar* text = luaL_checkstring(L,2);
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if (!tw)
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WSLUA_ERROR(TextWindow_set,"cannot be called for something not a TextWindow");
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if (!text)
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WSLUA_ARG_ERROR(TextWindow_set,TEXT,"must be a string");
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ops->set_text(tw,text);
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pushTextWindow(L,tw);
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WSLUA_RETURN(1); /* The TextWindow object. */
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}
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WSLUA_METHOD TextWindow_append(lua_State* L) { /* Appends text */
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#define WSLUA_ARG_TextWindow_append_TEXT 2 /* The text to be appended */
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TextWindow tw = checkTextWindow(L,1);
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const gchar* text = luaL_checkstring(L,2);
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if (!tw)
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WSLUA_ERROR(TextWindow_append,"cannot be called for something not a TextWindow");
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if (!text)
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WSLUA_ARG_ERROR(TextWindow_append,TEXT,"must be a string");
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ops->append_text(tw,text);
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pushTextWindow(L,tw);
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WSLUA_RETURN(1); /* The TextWindow object. */
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}
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WSLUA_METHOD TextWindow_prepend(lua_State* L) { /* Prepends text */
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#define WSLUA_ARG_TextWindow_prepend_TEXT 2 /* The text to be appended */
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TextWindow tw = checkTextWindow(L,1);
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const gchar* text = luaL_checkstring(L,2);
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if (!tw)
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WSLUA_ERROR(TextWindow_prepend,"cannot be called for something not a TextWindow");
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if (!text)
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WSLUA_ARG_ERROR(TextWindow_prepend,TEXT,"must be a string");
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ops->prepend_text(tw,text);
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pushTextWindow(L,tw);
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WSLUA_RETURN(1); /* The TextWindow object. */
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}
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WSLUA_METHOD TextWindow_clear(lua_State* L) { /* Errases all text in the window. */
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TextWindow tw = checkTextWindow(L,1);
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if (!tw)
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WSLUA_ERROR(TextWindow_clear,"cannot be called for something not a TextWindow");
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ops->clear_text(tw);
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pushTextWindow(L,tw);
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WSLUA_RETURN(1); /* The TextWindow object. */
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}
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WSLUA_METHOD TextWindow_get_text(lua_State* L) { /* Get the text of the window */
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TextWindow tw = checkTextWindow(L,1);
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const gchar* text;
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if (!tw)
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WSLUA_ERROR(TextWindow_get_text,"cannot be called for something not a TextWindow");
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text = ops->get_text(tw);
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lua_pushstring(L,text);
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WSLUA_RETURN(1); /* The TextWindow's text. */
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}
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static int TextWindow__gc(lua_State* L) {
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TextWindow tw = checkTextWindow(L,1);
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if (!tw)
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WSLUA_ERROR(TextWindow_gc,"cannot be called for something not a TextWindow");
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ops->destroy_text_window(tw);
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return 0;
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}
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WSLUA_METHOD TextWindow_set_editable(lua_State* L) { /* Make this window editable */
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#define WSLUA_OPTARG_TextWindow_set_editable_EDITABLE 2 /* A boolean flag, defaults to true */
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TextWindow tw = checkTextWindow(L,1);
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gboolean editable = wslua_optbool(L,2,TRUE);
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if (!tw)
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WSLUA_ERROR(TextWindow_set_editable,"cannot be called for something not a TextWindow");
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if (ops->set_editable)
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ops->set_editable(tw,editable);
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pushTextWindow(L,tw);
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WSLUA_RETURN(1); /* The TextWindow object. */
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}
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typedef struct _wslua_bt_cb_t {
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lua_State* L;
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int func_ref;
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} wslua_bt_cb_t;
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static gboolean wslua_button_callback(funnel_text_window_t* tw, void* data) {
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wslua_bt_cb_t* cbd = data;
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lua_State* L = cbd->L;
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lua_settop(L,0);
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lua_pushcfunction(L,dlg_cb_error_handler);
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lua_rawgeti(L, LUA_REGISTRYINDEX, cbd->func_ref);
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pushTextWindow(L,tw);
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switch ( lua_pcall(L,1,0,1) ) {
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case 0:
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break;
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case LUA_ERRRUN:
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g_warning("Runtime error while calling button callback");
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break;
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case LUA_ERRMEM:
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g_warning("Memory alloc error while calling button callback");
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break;
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default:
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g_assert_not_reached();
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break;
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}
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return TRUE;
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}
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WSLUA_METHOD TextWindow_add_button(lua_State* L) {
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#define WSLUA_ARG_TextWindow_add_button_LABEL 2 /* The label of the button */
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#define WSLUA_ARG_TextWindow_add_button_FUNCTION 3 /* The function to be called when clicked */
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TextWindow tw = checkTextWindow(L,1);
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const gchar* label = luaL_checkstring(L,WSLUA_ARG_TextWindow_add_button_LABEL);
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funnel_bt_t* fbt;
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wslua_bt_cb_t* cbd;
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if (!tw)
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WSLUA_ERROR(TextWindow_add_button,"cannot be called for something not a TextWindow");
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if (! lua_isfunction(L,WSLUA_ARG_TextWindow_add_button_FUNCTION) )
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WSLUA_ARG_ERROR(TextWindow_add_button,FUNCTION,"must be a function");
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lua_settop(L,3);
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if (ops->add_button) {
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fbt = g_malloc(sizeof(funnel_bt_t));
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cbd = g_malloc(sizeof(wslua_bt_cb_t));
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fbt->tw = tw;
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fbt->func = wslua_button_callback;
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fbt->data = cbd;
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fbt->free = g_free;
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fbt->free_data = g_free;
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cbd->L = L;
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cbd->func_ref = luaL_ref(L, LUA_REGISTRYINDEX);
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ops->add_button(tw,fbt,label);
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}
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pushTextWindow(L,tw);
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WSLUA_RETURN(1); /* The TextWindow object. */
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}
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WSLUA_METHODS TextWindow_methods[] = {
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WSLUA_CLASS_FNREG(TextWindow,new),
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WSLUA_CLASS_FNREG(TextWindow,set),
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WSLUA_CLASS_FNREG(TextWindow,new),
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WSLUA_CLASS_FNREG(TextWindow,append),
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WSLUA_CLASS_FNREG(TextWindow,prepend),
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WSLUA_CLASS_FNREG(TextWindow,clear),
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WSLUA_CLASS_FNREG(TextWindow,set_atclose),
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WSLUA_CLASS_FNREG(TextWindow,set_editable),
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WSLUA_CLASS_FNREG(TextWindow,get_text),
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WSLUA_CLASS_FNREG(TextWindow,add_button),
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{0, 0}
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};
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WSLUA_META TextWindow_meta[] = {
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{"__tostring", TextWindow_get_text},
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{"__gc", TextWindow__gc},
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{0, 0}
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};
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int TextWindow_register(lua_State* L) {
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ops = funnel_get_funnel_ops();
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WSLUA_REGISTER_CLASS(TextWindow);
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return 1;
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}
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WSLUA_FUNCTION wslua_retap_packets(lua_State* L) {
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/*
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Rescan all packets and just run taps - don't reconstruct the display.
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*/
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if ( ops->retap_packets ) {
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ops->retap_packets();
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} else {
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WSLUA_ERROR(wslua_retap_packets, "does not work on TShark");
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}
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return 0;
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|
}
|
|
|
|
|
|
WSLUA_FUNCTION wslua_copy_to_clipboard(lua_State* L) { /* copy a string into the clipboard */
|
|
#define WSLUA_ARG_copy_to_clipboard_TEXT 1 /* The string to be copied into the clipboard. */
|
|
const char* copied_str = luaL_checkstring(L,WSLUA_ARG_copy_to_clipboard_TEXT);
|
|
GString* gstr;
|
|
if (!ops->copy_to_clipboard) {
|
|
WSLUA_ERROR(wslua_copy_to_clipboard, "does not work on TShark");
|
|
}
|
|
|
|
if (!copied_str) {
|
|
WSLUA_ARG_ERROR(copy_to_clipboard,TEXT,"must be a string");
|
|
}
|
|
|
|
gstr = g_string_new(copied_str);
|
|
|
|
ops->copy_to_clipboard(gstr);
|
|
|
|
g_string_free(gstr,TRUE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
WSLUA_FUNCTION wslua_open_capture_file(lua_State* L) { /* open and display a capture file */
|
|
#define WSLUA_ARG_open_capture_file_FILENAME 1 /* The name of the file to be opened. */
|
|
#define WSLUA_ARG_open_capture_file_FILTER 2 /* A filter tgo be applied as the file gets opened. */
|
|
|
|
const char* fname = luaL_checkstring(L,WSLUA_ARG_open_capture_file_FILENAME);
|
|
const char* filter = luaL_optstring(L,WSLUA_ARG_open_capture_file_FILTER,NULL);
|
|
const char* error = NULL;
|
|
|
|
if (!ops->open_file) {
|
|
WSLUA_ERROR(wslua_open_capture_file, "does not work on TShark");
|
|
}
|
|
|
|
if (!fname) {
|
|
WSLUA_ARG_ERROR(open_capture_file,FILENAME,"must be a string");
|
|
}
|
|
|
|
if (! ops->open_file(fname,filter,&error) ) {
|
|
lua_pushboolean(L,FALSE);
|
|
|
|
if (error)
|
|
lua_pushstring(L,error);
|
|
else
|
|
lua_pushnil(L);
|
|
|
|
return 2;
|
|
} else {
|
|
lua_pushboolean(L,TRUE);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
WSLUA_FUNCTION wslua_set_filter(lua_State* L) { /* set the main filter text */
|
|
#define WSLUA_ARG_set_filter_TEXT 1 /* The filter's text. */
|
|
const char* filter_str = luaL_checkstring(L,WSLUA_ARG_set_filter_TEXT);
|
|
|
|
if (!ops->set_filter) {
|
|
WSLUA_ERROR(wslua_set_filter, "does not work on TShark");
|
|
}
|
|
|
|
if (!filter_str) {
|
|
WSLUA_ARG_ERROR(set_filter,TEXT,"must be a string");
|
|
}
|
|
|
|
ops->set_filter(filter_str);
|
|
|
|
return 0;
|
|
}
|
|
|
|
WSLUA_FUNCTION wslua_apply_filter(lua_State* L) { /* apply the filter in the main filter box */
|
|
if (!ops->apply_filter) {
|
|
WSLUA_ERROR(wslua_apply_filter, "does not work on TShark");
|
|
}
|
|
|
|
ops->apply_filter();
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
WSLUA_FUNCTION wslua_reload(lua_State* L) { /* reload the current capture file */
|
|
|
|
if (!ops->reload) {
|
|
WSLUA_ERROR(wslua_reload, "does not work on TShark");
|
|
}
|
|
|
|
ops->reload();
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
WSLUA_FUNCTION wslua_browser_open_url(lua_State* L) { /* open an url in a browser */
|
|
#define WSLUA_ARG_browser_open_url_URL 1 /* The url. */
|
|
const char* url = luaL_checkstring(L,WSLUA_ARG_browser_open_url_URL);
|
|
|
|
if (!ops->browser_open_url) {
|
|
WSLUA_ERROR(browser_open_url, "does not work on TShark");
|
|
}
|
|
|
|
if (!url) {
|
|
WSLUA_ARG_ERROR(browser_open_url,URL,"must be a string");
|
|
}
|
|
|
|
ops->browser_open_url(url);
|
|
|
|
return 0;
|
|
}
|
|
|
|
WSLUA_FUNCTION wslua_browser_open_data_file(lua_State* L) { /* open an file in a browser */
|
|
#define WSLUA_ARG_browser_open_data_file_FILENAME 1 /* The url. */
|
|
const char* file = luaL_checkstring(L,WSLUA_ARG_browser_open_data_file_FILENAME);
|
|
|
|
if (!ops->browser_open_data_file) {
|
|
WSLUA_ERROR(browser_open_data_file, "does not work on TShark");
|
|
}
|
|
|
|
if (!file) {
|
|
WSLUA_ARG_ERROR(browser_open_data_file,FILENAME,"must be a string");
|
|
}
|
|
|
|
ops->browser_open_data_file(file);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
|