Better help.
[doldaconnect.git] / config / dolconf.c
index 801e735..a637909 100644 (file)
@@ -1,6 +1,6 @@
 /*
  *  Dolda Connect - Modular multiuser Direct Connect-style client
- *  Copyright (C) 2007 Fredrik Tolf (fredrik@dolda2000.com)
+ *  Copyright (C) 2007 Fredrik Tolf <fredrik@dolda2000.com>
  *  
  *  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
 #include <signal.h>
 #include <errno.h>
 #include <gtk/gtk.h>
+#include <gdk/gdkkeysyms.h>
 #include <locale.h>
 #include <libintl.h>
 #include <pwd.h>
 #include <stdarg.h>
+#include <arpa/inet.h>
+#include <doldaconnect/uilib.h>
+#include <doldaconnect/uimisc.h>
 
 #ifdef HAVE_CONFIG_H
 #include <config.h>
@@ -45,11 +49,37 @@ struct cfvar {
     char *rname;
     char *val;
     struct validation *vld;
+    GtkWidget **astw, **cfww;
 };
 
 char *cfname;
 GtkWindow *rootwnd = NULL;
 GtkListStore *shares;
+int state, dirty = 1;
+int ignoreclose = 0;
+
+void astcancel(GtkWidget *widget, gpointer uudata);
+void astupdate(GtkWidget *widget, GtkWidget *page, gpointer uudata);
+void cb_ast_wnd_apply(GtkWidget *widget, gpointer uudata);
+void cb_ast_nick_changed(GtkWidget *widget, gpointer uudata);
+void cb_ast_shareadd_clicked(GtkWidget *widget, gpointer uudata);
+void cb_ast_sharerem_clicked(GtkWidget *widget, gpointer uudata);
+void cb_ast_checkports(GtkWidget *widget, gpointer uudata);
+void cb_ast_mode_nat_toggled(GtkWidget *widget, gpointer uudata);
+void cb_cfw_mode_act_toggled(GtkWidget *widget, gpointer uudata);
+void cb_cfw_orport_toggled(GtkWidget *widget, gpointer uudata);
+void cb_cfw_oraddr_toggled(GtkWidget *widget, gpointer uudata);
+void cb_cfw_uinet_toggled(GtkWidget *widget, gpointer uudata);
+void cb_cfw_save_activate(GtkWidget *widget, gpointer uudata);
+void cb_cfw_hup_activate(GtkWidget *widget, gpointer uudata);
+void cb_cfw_quit_activate(GtkWidget *widget, gpointer uudata);
+void cb_cfw_shareadd_clicked(GtkWidget *widget, gpointer uudata);
+void cb_cfw_sharerem_clicked(GtkWidget *widget, gpointer uudata);
+
+#define _(text) gettext(text)
+
+#include "dolconf-assistant.gtk"
+#include "dolconf-wnd.gtk"
 
 int v_nonempty(const char *val)
 {
@@ -63,17 +93,40 @@ int v_dcstring(const char *val)
           (strchr(val, '$') == NULL));
 }
 
-int v_numeric(const char *val)
+int v_natural(const char *val)
 {
-    int f;
-    
-    for(f = 1; *val; val++, f = 0) {
-       if(!isdigit(val) && (!f || (*val != '-')))
+    if(!*val)
+       return(0);
+    for(; *val; val++) {
+       if(!isdigit(*val))
            return(0);
     }
     return(1);
 }
 
+int v_integer(const char *val)
+{
+    int f, d;
+    
+    for(f = 1, d = 0; *val; val++, f = 0) {
+       if(isdigit(*val)) {
+           d = 1;
+       } else if(f && (*val == '-')) {
+       } else {
+           return(0);
+       }
+    }
+    return(d);
+}
+
+int v_ipv4(const char *val)
+{
+    struct in_addr buf;
+    
+    return(inet_aton(val, &buf) != 0);
+}
+
+#undef _
 #define _(text) text
 
 struct validation nonempty = {
@@ -86,39 +139,45 @@ struct validation dcstring = {
     .invmsg = _("%s must not contain spaces, `|' or `$'"),
 };
 
-struct validation numeric = {
-    .check = v_numeric,
-    .invmsg = _("%s must be numeric"),
+struct validation natural = {
+    .check = v_natural,
+    .invmsg = _("%s must be a natural number"),
+};
+
+struct validation integer = {
+    .check = v_integer,
+    .invmsg = _("%s must be an integer"),
+};
+
+struct validation ipv4 = {
+    .check = v_ipv4,
+    .invmsg = _("%s must be an IP address"),
 };
 
 struct validation *vldxlate[] = {
-    &nonempty, &dcstring, &numeric,
+    &nonempty, &dcstring, &natural, &integer, &ipv4,
     NULL
 };
 
 struct cfvar config[] = {
-    {"cli.defnick", _("Nickname"), "", &dcstring},
-    {"net.mode", NULL, "0", &numeric},
-    {"ui.onlylocal", NULL, "0", &numeric},
-    {"auth.authless", NULL, "0", &numeric},
-    {"transfer.slots", _("Upload slots"), "6", &numeric},
-    {"dc.speedstring", _("Connection speed"), "DSL", &dcstring},
-    {"dc.desc", _("Share description"), "", NULL},
+    {"cli.defnick", _("Screen name"), "", &dcstring, &ast_nick, &cfw_nick},
+    {"net.mode", NULL, "0", &natural},
+    {"net.visibleipv4", "IP address", "0.0.0.0", &ipv4, NULL, &cfw_extip},
+    {"ui.onlylocal", NULL, "0", &natural},
+    {"ui.port", NULL, "-1", &integer},
+    {"auth.authless", NULL, "0", &natural},
+    {"transfer.slots", _("Upload slots"), "6", &natural},
+    {"dc.speedstring", _("Connection speed"), "DSL", &dcstring, NULL, &cfw_cntype},
+    {"dc.email", _("E-mail address"), "spam@spam.net", &dcstring, NULL, &cfw_mail},
+    {"dc.desc", _("Share description"), "", NULL, &ast_desc, &cfw_desc},
+    {"dc.tcpport", _("Direct Connect TCP port"), "0", &natural, NULL, &cfw_tcpport},
+    {"dc.udpport", _("Direct Connect UDP port"), "0", &natural, NULL, &cfw_udpport},
     {NULL}
 };
 
 #undef _
 #define _(text) gettext(text)
 
-void astcancel(GtkWidget *widget, gpointer uudata);
-void astupdate(GtkWidget *widget, GtkWidget *page, gpointer uudata);
-void cb_ast_wnd_apply(GtkWidget *widget, gpointer uudata);
-void cb_ast_nick_changed(GtkWidget *widget, gpointer uudata);
-void cb_ast_shareadd_clicked(GtkWidget *widget, gpointer uudata);
-void cb_ast_sharerem_clicked(GtkWidget *widget, gpointer uudata);
-
-#include "dolconf-assistant.gtk"
-
 struct cfvar *findcfvar(char *name)
 {
     struct cfvar *v;
@@ -135,8 +194,11 @@ void setcfvar(char *name, const char *val)
     struct cfvar *v;
     
     v = findcfvar(name);
+    if(!strcmp(v->val, val))
+       return;
     free(v->val);
     v->val = sstrdup(val);
+    dirty = 1;
 }
 
 int msgbox(int type, int buttons, char *format, ...)
@@ -187,7 +249,7 @@ char *getword(char **p)
     }
     if(p2 == NULL)
        p2 = *p + strlen(*p);
-    len = p2 - *p;
+    len = p2 - *p - ((*p2 == '\"')?1:0);
     buf = smalloc(len + 1);
     memcpy(buf, *p, len);
     buf[len] = 0;
@@ -298,6 +360,7 @@ int readconfig(void)
     if(val != NULL)
        free(val);
     fclose(cf);
+    dirty = 0;
     return(rv);
 }
 
@@ -348,11 +411,119 @@ void writeconfig(void)
        } while(gtk_tree_model_iter_next(GTK_TREE_MODEL(shares), &iter));
     }
     fclose(cf);
+    dirty = 0;
+}
+
+void fillcfw(void)
+{
+    struct cfvar *var;
+    
+    for(var = config; var->name != NULL; var++) {
+       if(var->cfww != NULL)
+           gtk_entry_set_text(GTK_ENTRY(*(var->cfww)), var->val);
+    }
+    if(atoi(findcfvar("dc.tcpport")->val) || atoi(findcfvar("dc.udpport")->val))
+       gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(cfw_orport), TRUE);
+    else
+       gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(cfw_orport), FALSE);
+    if(strcmp(findcfvar("net.visibleipv4")->val, "0.0.0.0"))
+       gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(cfw_oraddr), TRUE);
+    else
+       gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(cfw_oraddr), FALSE);
+    if(strcmp(findcfvar("ui.port")->val, "-1")) {
+       gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(cfw_uinet), TRUE);
+       if(strcmp(findcfvar("auth.authless")->val, "1"))
+           gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(cfw_authless), FALSE);
+       else
+           gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(cfw_authless), TRUE);
+    } else {
+       gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(cfw_uinet), FALSE);
+       gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(cfw_authless), FALSE);
+    }
+}
+
+void ast2conf(void)
+{
+    setcfvar("cli.defnick", gtk_entry_get_text(GTK_ENTRY(ast_nick)));
+    setcfvar("dc.desc", gtk_entry_get_text(GTK_ENTRY(ast_desc)));
+    if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(ast_mode_psv))) {
+       setcfvar("net.mode", "1");
+    } else {
+       setcfvar("net.mode", "0");
+       if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(ast_mode_nat))) {
+           setcfvar("net.visibleipv4", gtk_entry_get_text(GTK_ENTRY(ast_extip)));
+           setcfvar("dc.tcpport", gtk_entry_get_text(GTK_ENTRY(ast_udpport)));
+           setcfvar("dc.udpport", gtk_entry_get_text(GTK_ENTRY(ast_tcpport)));
+       } else {
+           setcfvar("net.visibleipv4", "0.0.0.0");
+           setcfvar("dc.tcpport", "0");
+           setcfvar("dc.udpport", "0");
+       }
+    }
+}
+
+void cfw2conf(void)
+{
+    struct cfvar *var;
+    const char *val;
+    
+    for(var = config; var->name != NULL; var++) {
+       if(var->cfww != NULL) {
+           val = gtk_entry_get_text(GTK_ENTRY(*(var->cfww)));
+           if(!strcmp(var->val, val))
+               continue;
+           free(var->val);
+           var->val = sstrdup(val);
+           dirty = 1;
+       }
+    }
+    if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(cfw_mode_act))) {
+       setcfvar("net.mode", "0");
+       if(!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(cfw_orport))) {
+           setcfvar("dc.tcpport", "0");
+           setcfvar("dc.udpport", "0");
+       }
+       if(!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(cfw_oraddr))) {
+           setcfvar("net.visibleipv4", "0.0.0.0");
+       }
+    } else {
+       setcfvar("net.mode", "1");
+    }
+    if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(cfw_uinet))) {
+       setcfvar("ui.port", "1500");
+       if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(cfw_authless)))
+           setcfvar("auth.authless", "1");
+       else
+           setcfvar("auth.authless", "0");
+    } else {
+       setcfvar("ui.port", "-1");
+       setcfvar("auth.authless", "0");
+    }
+}
+
+struct cfvar *cfwvalid(void)
+{
+    struct cfvar *cv;
+    
+    for(cv = config; cv->name != NULL; cv++) {
+       if((cv->vld != NULL) && !cv->vld->check(cv->val)) {
+           if(cv->rname) {
+               return(cv);
+           } else {
+               msgbox(GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, _("Internal error (Auto-generated variable %s has an invalid value \"%s\")"), cv->name, cv->val);
+               abort();
+           }
+       }
+    }
+    return(NULL);
 }
 
 void astcancel(GtkWidget *widget, gpointer uudata)
 {
+    if(ignoreclose)
+       return;
     gtk_main_quit();
+    state = -1;
 }
 
 #define bufcats(buf, str) bufcat(buf, str, strlen(str))
@@ -364,8 +535,7 @@ void astupdate(GtkWidget *widget, GtkWidget *page, gpointer uudata)
     struct cfvar *var;
     GtkTreeIter iter;
     
-    setcfvar("cli.defnick", gtk_entry_get_text(GTK_ENTRY(ast_nick)));
-    setcfvar("dc.desc", gtk_entry_get_text(GTK_ENTRY(ast_desc)));
+    ast2conf();
     s = NULL;
     sdata = ssize = 0;
     for(var = config; var->name != NULL; var++) {
@@ -395,6 +565,13 @@ void cb_ast_wnd_apply(GtkWidget *widget, gpointer uudata)
 {
     writeconfig();
     gtk_main_quit();
+    if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(ast_action_dolcon)))
+       state = 2;
+    else if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(ast_action_exit)))
+       state = -1;
+    else
+       state = 0;
+    ignoreclose = 1;
 }
 
 void cb_ast_nick_changed(GtkWidget *widget, gpointer uudata)
@@ -423,9 +600,9 @@ int hasshare(int col, char *name)
     return(0);
 }
 
-void cb_ast_shareadd_clicked(GtkWidget *widget, gpointer uudata)
+int shareadd(void)
 {
-    int i;
+    int i, ret;
     GSList *fns, *next;
     char *fn, *sn, *p;
     GtkTreeIter iter;
@@ -438,8 +615,9 @@ void cb_ast_shareadd_clicked(GtkWidget *widget, gpointer uudata)
     resp = gtk_dialog_run(GTK_DIALOG(chd));
     if(resp != GTK_RESPONSE_ACCEPT) {
        gtk_widget_destroy(chd);
-       return;
+       return(0);
     }
+    ret = 0;
     fns = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(chd));
     gtk_widget_destroy(chd);
     while(fns != NULL) {
@@ -461,13 +639,25 @@ void cb_ast_shareadd_clicked(GtkWidget *widget, gpointer uudata)
            gtk_list_store_append(shares, &iter);
            gtk_list_store_set(shares, &iter, 0, sn, 1, fn, -1);
            free(sn);
-           gtk_assistant_set_page_complete(GTK_ASSISTANT(ast_wnd), ast_page2, TRUE);
+           ret = 1;
        }
        g_free(fn);
        next = fns->next;
        g_slist_free_1(fns);
        fns = next;
     }
+    return(ret);
+}
+
+void cb_ast_shareadd_clicked(GtkWidget *widget, gpointer uudata)
+{
+    if(shareadd())
+       gtk_assistant_set_page_complete(GTK_ASSISTANT(ast_wnd), ast_page2, TRUE);
+}
+
+void cb_cfw_shareadd_clicked(GtkWidget *widget, gpointer uudata)
+{
+    shareadd();
 }
 
 void cb_ast_sharerem_clicked(GtkWidget *widget, gpointer uudata)
@@ -480,19 +670,139 @@ void cb_ast_sharerem_clicked(GtkWidget *widget, gpointer uudata)
        gtk_assistant_set_page_complete(GTK_ASSISTANT(ast_wnd), ast_page2, FALSE);
 }
 
+void cb_cfw_sharerem_clicked(GtkWidget *widget, gpointer uudata)
+{
+    GtkTreeIter iter;
+    
+    if(gtk_tree_selection_get_selected(gtk_tree_view_get_selection(GTK_TREE_VIEW(cfw_sharelist)), NULL, &iter))
+       gtk_list_store_remove(shares, &iter);
+}
+
+void cb_ast_checkports(GtkWidget *widget, gpointer uudata)
+{
+    gtk_assistant_set_page_complete(GTK_ASSISTANT(ast_wnd), ast_page3,
+                                   v_natural(gtk_entry_get_text(GTK_ENTRY(ast_tcpport))) &&
+                                   (atoi(gtk_entry_get_text(GTK_ENTRY(ast_tcpport))) >= 1024) &&
+                                   v_natural(gtk_entry_get_text(GTK_ENTRY(ast_udpport))) &&
+                                   (atoi(gtk_entry_get_text(GTK_ENTRY(ast_udpport))) >= 1024) &&
+                                   v_ipv4(gtk_entry_get_text(GTK_ENTRY(ast_extip))));
+}
+
+void cb_ast_mode_nat_toggled(GtkWidget *widget, gpointer uudata)
+{
+    if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget))) {
+       gtk_widget_set_sensitive(GTK_WIDGET(ast_portbox), TRUE);
+       cb_ast_checkports(widget, NULL);
+    } else {
+       gtk_widget_set_sensitive(GTK_WIDGET(ast_portbox), FALSE);
+       gtk_assistant_set_page_complete(GTK_ASSISTANT(ast_wnd), ast_page3, TRUE);
+    }
+}
+
+void cb_cfw_mode_act_toggled(GtkWidget *widget, gpointer uudata)
+{
+    gtk_widget_set_sensitive(GTK_WIDGET(cfw_natbox), gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)));
+}
+
+void cb_cfw_orport_toggled(GtkWidget *widget, gpointer uudata)
+{
+    gtk_widget_set_sensitive(GTK_WIDGET(cfw_portbox), gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)));
+}
+
+void cb_cfw_oraddr_toggled(GtkWidget *widget, gpointer uudata)
+{
+    gtk_widget_set_sensitive(GTK_WIDGET(cfw_addrbox), gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)));
+}
+
+void cb_cfw_uinet_toggled(GtkWidget *widget, gpointer uudata)
+{
+    gtk_widget_set_sensitive(GTK_WIDGET(cfw_uibox), gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)));
+}
+
+void cb_cfw_hup_activate(GtkWidget *widget, gpointer uudata)
+{
+    int tag;
+    struct dc_response *resp;
+    
+    if(dc_connectsync2(dc_srv_local, DC_LATEST) < 0) {
+       msgbox(GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, _("Could not connect to server"));
+       return;
+    }
+    if(dc_login(NULL, 1, dc_convnone, NULL) != DC_LOGIN_ERR_SUCCESS) {
+       dc_disconnect();
+       msgbox(GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, _("Could not connect to server"));
+       return;
+    }
+    tag = dc_queuecmd(NULL, NULL, L"hup", NULL);
+    if((resp = dc_gettaggedrespsync(tag)) != NULL) {
+       if(resp->code != 200)
+           msgbox(GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, _("Could not connect to server"));
+       dc_freeresp(resp);
+    }
+    dc_disconnect();
+}
+
+void cb_cfw_save_activate(GtkWidget *widget, gpointer uudata)
+{
+    struct cfvar *cv;
+    
+    if((cv = cfwvalid()) != NULL) {
+       msgbox(GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, cv->vld->invmsg, cv->rname);
+       return;
+    }
+    cfw2conf();
+    writeconfig();
+}
+
+void cb_cfw_quit_activate(GtkWidget *widget, gpointer uudata)
+{
+    cfw2conf();
+    if(dirty) {
+       if(msgbox(GTK_MESSAGE_QUESTION, GTK_BUTTONS_YES_NO, _("There are unsaved changes. Do you wish to discard the changes and exit anyway?")) == GTK_RESPONSE_NO)
+           return;
+    }
+    gtk_main_quit();
+    state = -1;
+}
+
 int main(int argc, char **argv)
 {
+    int i, c, ex;
     struct passwd *pwd;
     
     setlocale(LC_ALL, "");
     bindtextdomain(PACKAGE, LOCALEDIR);
     textdomain(PACKAGE);
     prepstatic();
+    dc_init();
     
     gtk_init(&argc, &argv);
+    state = -1;
+    while((c = getopt(argc, argv, "haw")) != -1) {
+       switch(c) {
+       case 'a':
+           state = 1;
+           break;
+       case 'w':
+           state = 0;
+           break;
+       case 'h':
+           printf("usage: dolconf [-haw]\n");
+           printf("\t-h\tDisplay this help message\n");
+           printf("\t-a\tGo directly to the assistant\n");
+           printf("\t-w\tGo directly to the standard window\n");
+           exit(0);
+       default:
+           fprintf(stderr, "usage: dolconf [-haw]\n");
+           exit(1);
+       }
+    }
+    
     create_ast_wnd();
+    create_cfw_wnd();
     shares = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_STRING);
     gtk_tree_view_set_model(GTK_TREE_VIEW(ast_sharelist), GTK_TREE_MODEL(shares));
+    gtk_tree_view_set_model(GTK_TREE_VIEW(cfw_sharelist), GTK_TREE_MODEL(shares));
     
     cfname = NULL;
     if(getenv("HOME") != NULL) {
@@ -506,17 +816,52 @@ int main(int argc, char **argv)
        exit(1);
     }
     
-    if(access(cfname, F_OK)) {
-       if(msgbox(GTK_MESSAGE_QUESTION, GTK_BUTTONS_YES_NO, _("It appears that you have not run this setup program before. Would you like to run the first-time setup assistant?")) == GTK_RESPONSE_YES) {
-           gtk_window_set_default_size(GTK_WINDOW(ast_wnd), 500, 350);
-           gtk_widget_show(ast_wnd);
+    ex = !access(cfname, F_OK);
+    if(state == -1) {
+       if(!ex) {
+           if(msgbox(GTK_MESSAGE_QUESTION, GTK_BUTTONS_YES_NO, _("It appears that you have not run this setup program before. Would you like to run the first-time setup assistant?")) == GTK_RESPONSE_YES)
+               state = 1;
+           else
+               state = 0;
+       } else {
+           state = 0;
        }
-    } else {
+    }
+    
+    if(ex && (state == 0)) {
        if(readconfig() == 1) {
            if(msgbox(GTK_MESSAGE_QUESTION, GTK_BUTTONS_YES_NO, _("The configuration file appears to have been edited outside the control of this program. If you continue using this program, all settings not handled by it will be lost. Do you wish to continue?")) == GTK_RESPONSE_NO)
                exit(1);
        }
     }
-    gtk_main();
+    
+    while(state != -1) {
+       if(state == 0) {
+           gtk_window_set_default_size(GTK_WINDOW(cfw_wnd), 500, 350);
+           gtk_widget_show(cfw_wnd);
+           fillcfw();
+           rootwnd = GTK_WINDOW(cfw_wnd);
+           gtk_main();
+           gtk_widget_hide(cfw_wnd);
+           rootwnd = NULL;
+       } else if(state == 1) {
+           gtk_window_set_default_size(GTK_WINDOW(ast_wnd), 500, 350);
+           gtk_widget_show(ast_wnd);
+           rootwnd = GTK_WINDOW(ast_wnd);
+           gtk_main();
+           gtk_widget_hide(ast_wnd);
+           ignoreclose = 0;
+           rootwnd = NULL;
+       } else if(state == 2) {
+           for(i = 3; i < FD_SETSIZE; i++)
+               close(i);
+           execlp("dolcon", "dolcon", NULL);
+           perror("dolcon");
+           exit(127);
+       } else {
+           msgbox(GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, _("Internal error (Unknown state)"));
+           abort();
+       }
+    }
     return(0);
 }