Exemplo n.º 1
0
int main(int argc, char *argv[])
{
    /* You need to call this before anything happens */
    glyr_init();
    atexit(glyr_cleanup);

    /* Initialize a new query (this may allocate memory) */
    GlyrQuery q;
    glyr_query_init(&q);

    /* Say we want a Songtext */
    GLYR_GET_TYPE type = GLYR_GET_LYRICS;
    glyr_opt_type(&q, type);

    /* Set at least the required fields to your needs        *
     * For lyrics those are 'artist' and 'title', ('album')  *
     * is strictly optional and may be used by a few plugins */
    glyr_opt_artist(&q, (char *) "Die Apokalyptischen Reiter");
    glyr_opt_album(&q, (char *) "Riders on the Storm");
    glyr_opt_title(&q, (char *) "Friede sei mit dir");

    /* Execute a func when getting one item */
    int this_be_my_counter = 0;
    glyr_opt_dlcallback(&q, funny_callback, &this_be_my_counter);

    /* For the start: Enable verbosity */
    glyr_opt_verbosity(&q, 2);

    /* Download 5 (or less) items */
    glyr_opt_number(&q, 5);

    /* Just search, without downloading items */
    glyr_opt_download(&q, 0);

    /* Call the most important command: GET!
     * This returned a list of (GlyrMemCache *)s
     * Each containing ONE item. (i.e. a songtext)
     */
    GLYR_ERROR err;
    GlyrMemCache *it = glyr_get(&q, &err, NULL);

    if(err != GLYRE_OK) {
        fprintf(stderr, "E:%s\n", glyr_strerror(err));
    }

    /* Now iterate through it... */
    if(it != NULL) {
        GlyrMemCache *start = it;

        int counter = 0;
        while(it != NULL) {
            /* This has the same effect as in the callback,
             * Just that it's executed just once after all DL is done.
             * Commented out, as this would print it twice
             * */
            print_item(it, counter);

            /* Every cache has a link to the next and prev one (or NULL respectively) */
            it = it->next;
            ++counter;
        }

        /* The contents of it are dynamically allocated. */
        /* So better free them if you're not keen on memoryleaks */
        glyr_free_list(start);
    }
    /* Destroy query (reset to default values and free dyn memory) */
    /* You could start right off to use this query in another glyr_get */
    glyr_query_destroy(&q);
    return EXIT_SUCCESS;
}
/*
 * read_row --
 *	Read and verify a single element in a row- or column-store file.
 */
int
read_row(WT_CURSOR *cursor, WT_ITEM *key, uint64_t keyno, int notfound_err)
{
    static int sn = 0;
    WT_ITEM value;
    WT_SESSION *session;
    int exact, ret;
    uint8_t bitfield;

    session = cursor->session;

    /* Log the operation */
    if (g.logging == LOG_OPS)
        (void)g.wt_api->msg_printf(g.wt_api,
                                   session, "%-10s%" PRIu64, "read", keyno);

    /* Retrieve the key/value pair by key. */
    switch (g.type) {
    case FIX:
    case VAR:
        cursor->set_key(cursor, keyno);
        break;
    case ROW:
        key_gen((uint8_t *)key->data, &key->size, keyno);
        cursor->set_key(cursor, key);
        break;
    }

    if (sn) {
        ret = cursor->search_near(cursor, &exact);
        if (ret == 0 && exact != 0)
            ret = WT_NOTFOUND;
        sn = 0;
    } else {
        ret = cursor->search(cursor);
        sn = 1;
    }
    switch (ret) {
    case 0:
        if (g.type == FIX) {
            ret = cursor->get_value(cursor, &bitfield);
            value.data = &bitfield;
            value.size = 1;
        } else
            ret = cursor->get_value(cursor, &value);
        break;
    case WT_ROLLBACK:
        return (WT_ROLLBACK);
    case WT_NOTFOUND:
        if (notfound_err)
            return (WT_NOTFOUND);
        break;
    default:
        testutil_die(ret, "read_row: read row %" PRIu64, keyno);
    }

#ifdef HAVE_BERKELEY_DB
    if (!SINGLETHREADED)
        return (0);

    /*
     * In fixed length stores, zero values at the end of the key space are
     * returned as not found.  Treat this the same as a zero value in the
     * key space, to match BDB's behavior.
     */
    if (ret == WT_NOTFOUND && g.type == FIX) {
        bitfield = 0;
        value.data = &bitfield;
        value.size = 1;
        ret = 0;
    }

    /* Retrieve the BDB value. */
    {
        WT_ITEM bdb_value;
        int notfound;

        bdb_read(keyno, &bdb_value.data, &bdb_value.size, &notfound);

        /* Check for not-found status. */
        if (notfound_chk("read_row", ret, notfound, keyno))
            return (0);

        /* Compare the two. */
        if (value.size != bdb_value.size ||
                memcmp(value.data, bdb_value.data, value.size) != 0) {
            fprintf(stderr,
                    "read_row: value mismatch %" PRIu64 ":\n", keyno);
            print_item("bdb", &bdb_value);
            print_item(" wt", &value);
            testutil_die(0, NULL);
        }
    }
#endif
    return (0);
}
Exemplo n.º 3
0
/*
 * Display a dialog box with a list of options that can be turned on or off
 * in the style of radiolist (only one option turned on at a time).
 */
int dialog_checklist(const char *title, const char *prompt, int height,
		     int width, int list_height)
{
	int i, x, y, box_x, box_y;
	int key = 0, button = 0, choice = 0, scroll = 0, max_choice;
	WINDOW *dialog, *list;

	/* which item to highlight */
	item_foreach() {
		if (item_is_tag('X'))
			choice = item_n();
		if (item_is_selected()) {
			choice = item_n();
			break;
		}
	}

do_resize:
	if (getmaxy(stdscr) < (height + 6))
		return -ERRDISPLAYTOOSMALL;
	if (getmaxx(stdscr) < (width + 6))
		return -ERRDISPLAYTOOSMALL;

	max_choice = MIN(list_height, item_count());

	/* center dialog box on screen */
	x = (COLS - width) / 2;
	y = (LINES - height) / 2;

	draw_shadow(stdscr, y, x, height, width);

	dialog = newwin(height, width, y, x);
	keypad(dialog, TRUE);

	draw_box(dialog, 0, 0, height, width,
		 dlg.dialog.atr, dlg.border.atr);
	wattrset(dialog, dlg.border.atr);
	mvwaddch(dialog, height - 3, 0, ACS_LTEE);
	for (i = 0; i < width - 2; i++)
		waddch(dialog, ACS_HLINE);
	wattrset(dialog, dlg.dialog.atr);
	waddch(dialog, ACS_RTEE);

	print_title(dialog, title, width);

	wattrset(dialog, dlg.dialog.atr);
	print_autowrap(dialog, prompt, width - 2, 1, 3);

	list_width = width - 6;
	box_y = height - list_height - 5;
	box_x = (width - list_width) / 2 - 1;

	/* create new window for the list */
	list = subwin(dialog, list_height, list_width, y + box_y + 1,
	              x + box_x + 1);

	keypad(list, TRUE);

	/* draw a box around the list items */
	draw_box(dialog, box_y, box_x, list_height + 2, list_width + 2,
	         dlg.menubox_border.atr, dlg.menubox.atr);

	/* Find length of longest item in order to center checklist */
	check_x = 0;
	item_foreach()
		check_x = MAX(check_x, strlen(item_str()) + 4);

	check_x = (list_width - check_x) / 2;
	item_x = check_x + 4;

	if (choice >= list_height) {
		scroll = choice - list_height + 1;
		choice -= scroll;
	}

	/* Print the list */
	for (i = 0; i < max_choice; i++) {
		item_set(scroll + i);
		print_item(list, i, i == choice);
	}

	print_arrows(dialog, choice, item_count(), scroll,
		     box_y, box_x + check_x + 5, list_height);

	print_buttons(dialog, height, width, 0);

	wnoutrefresh(dialog);
	wnoutrefresh(list);
	doupdate();

	while (key != KEY_ESC) {
		key = wgetch(dialog);

		for (i = 0; i < max_choice; i++) {
			item_set(i + scroll);
			if (toupper(key) == toupper(item_str()[0]))
				break;
		}

		if (i < max_choice || key == KEY_UP || key == KEY_DOWN ||
		    key == '+' || key == '-') {
			if (key == KEY_UP || key == '-') {
				if (!choice) {
					if (!scroll)
						continue;
					/* Scroll list down */
					if (list_height > 1) {
						/* De-highlight current first item */
						item_set(scroll);
						print_item(list, 0, FALSE);
						scrollok(list, TRUE);
						wscrl(list, -1);
						scrollok(list, FALSE);
					}
					scroll--;
					item_set(scroll);
					print_item(list, 0, TRUE);
					print_arrows(dialog, choice, item_count(),
						     scroll, box_y, box_x + check_x + 5, list_height);

					wnoutrefresh(dialog);
					wrefresh(list);

					continue;	/* wait for another key press */
				} else
					i = choice - 1;
			} else if (key == KEY_DOWN || key == '+') {
				if (choice == max_choice - 1) {
					if (scroll + choice >= item_count() - 1)
						continue;
					/* Scroll list up */
					if (list_height > 1) {
						/* De-highlight current last item before scrolling up */
						item_set(scroll + max_choice - 1);
						print_item(list,
							    max_choice - 1,
							    FALSE);
						scrollok(list, TRUE);
						wscrl(list, 1);
						scrollok(list, FALSE);
					}
					scroll++;
					item_set(scroll + max_choice - 1);
					print_item(list, max_choice - 1, TRUE);

					print_arrows(dialog, choice, item_count(),
						     scroll, box_y, box_x + check_x + 5, list_height);

					wnoutrefresh(dialog);
					wrefresh(list);

					continue;	/* wait for another key press */
				} else
					i = choice + 1;
			}
			if (i != choice) {
				/* De-highlight current item */
				item_set(scroll + choice);
				print_item(list, choice, FALSE);
				/* Highlight new item */
				choice = i;
				item_set(scroll + choice);
				print_item(list, choice, TRUE);
				wnoutrefresh(dialog);
				wrefresh(list);
			}
			continue;	/* wait for another key press */
		}
		switch (key) {
		case 'H':
		case 'h':
		case '?':
			button = 1;
			/* fall-through */
		case 'S':
		case 's':
		case ' ':
		case '\n':
			item_foreach()
				item_set_selected(0);
			item_set(scroll + choice);
			item_set_selected(1);
			delwin(list);
			delwin(dialog);
			return button;
		case TAB:
		case KEY_LEFT:
		case KEY_RIGHT:
			button = ((key == KEY_LEFT ? --button : ++button) < 0)
			    ? 1 : (button > 1 ? 0 : button);

			print_buttons(dialog, height, width, button);
			wrefresh(dialog);
			break;
		case 'X':
		case 'x':
			key = KEY_ESC;
			break;
		case KEY_ESC:
			key = on_key_esc(dialog);
			break;
		case KEY_RESIZE:
			delwin(list);
			delwin(dialog);
			on_key_resize();
			goto do_resize;
		}

		/* Now, update everything... */
		doupdate();
	}
	delwin(list);
	delwin(dialog);
	return key;		/* ESC pressed */
}
Exemplo n.º 4
0
/*
 * Display a menu for choosing among a number of options
 */
int
dialog_menu (const char *title, const char *prompt, int height, int width,
		int menu_height, const char *current, int item_no,
		struct dialog_list_item ** items)
{
    int i, j, x, y, box_x, box_y;
    int key = 0, button = 0, scroll = 0, choice = 0, first_item = 0, max_choice;
    WINDOW *dialog, *menu;
    FILE *f;

    max_choice = MIN (menu_height, item_no);

    /* center dialog box on screen */
    x = (COLS - width) / 2;
    y = (LINES - height) / 2;

    draw_shadow (stdscr, y, x, height, width);

    dialog = newwin (height, width, y, x);
    keypad (dialog, TRUE);

    draw_box (dialog, 0, 0, height, width, dialog_attr, border_attr);
    wattrset (dialog, border_attr);
    mvwaddch (dialog, height - 3, 0, ACS_LTEE);
    for (i = 0; i < width - 2; i++)
	waddch (dialog, ACS_HLINE);
    wattrset (dialog, dialog_attr);
    wbkgdset (dialog, dialog_attr & A_COLOR);
    waddch (dialog, ACS_RTEE);

    if (title != NULL && strlen(title) >= width-2 ) {
	/* truncate long title -- mec */
	char * title2 = malloc(width-2+1);
	memcpy( title2, title, width-2 );
	title2[width-2] = '\0';
	title = title2;
    }

    if (title != NULL) {
	wattrset (dialog, title_attr);
	mvwaddch (dialog, 0, (width - strlen(title))/2 - 1, ' ');
	waddstr (dialog, (char *)title);
	waddch (dialog, ' ');
    }

    wattrset (dialog, dialog_attr);
    print_autowrap (dialog, prompt, width - 2, 1, 3);

    menu_width = width - 6;
    box_y = height - menu_height - 5;
    box_x = (width - menu_width) / 2 - 1;

    /* create new window for the menu */
    menu = subwin (dialog, menu_height, menu_width,
		y + box_y + 1, x + box_x + 1);
    keypad (menu, TRUE);

    /* draw a box around the menu items */
    draw_box (dialog, box_y, box_x, menu_height + 2, menu_width + 2,
	      menubox_border_attr, menubox_attr);

    /*
     * Find length of longest item in order to center menu.
     * Set 'choice' to default item. 
     */
    item_x = 0;
    for (i = 0; i < item_no; i++) {
	item_x = MAX (item_x, MIN(menu_width, strlen (items[i]->name) + 2));
	if (strcmp(current, items[i]->tag) == 0) choice = i;
    }

    item_x = (menu_width - item_x) / 2;

    /* get the scroll info from the temp file */
    if ( (f=fopen("lxdialog.scrltmp","r")) != NULL ) {
	if ( (fscanf(f,"%d\n",&scroll) == 1) && (scroll <= choice) &&
	     (scroll+max_choice > choice) && (scroll >= 0) &&
	     (scroll+max_choice <= item_no) ) {
	    first_item = scroll;
	    choice = choice - scroll;
	    fclose(f);
	} else {
	    scroll=0;
	    remove("lxdialog.scrltmp");
	    fclose(f);
	    f=NULL;
	}
    }
    if ( (choice >= max_choice) || (f==NULL && choice >= max_choice/2) ) {
	if (choice >= item_no-max_choice/2)
	    scroll = first_item = item_no-max_choice;
	else
	    scroll = first_item = choice - max_choice/2;
	choice = choice - scroll;
    }

    /* Print the menu */
    for (i=0; i < max_choice; i++) {
	print_item (menu, items[first_item + i]->name, i, i == choice,
                    (items[first_item + i]->tag[0] != ':'));
    }

    wnoutrefresh (menu);

    print_arrows(dialog, item_no, scroll,
		 box_y, box_x+item_x+1, menu_height);

    print_buttons (dialog, height, width, 0);
    wmove (menu, choice, item_x+1);
    wrefresh (menu);

    while (key != ESC) {
	key = wgetch(menu);

	if (key < 256 && isalpha(key)) key = tolower(key);

	if (strchr("ynm", key))
		i = max_choice;
	else {
        for (i = choice+1; i < max_choice; i++) {
		j = first_alpha(items[scroll + i]->name, "YyNnMm>");
		if (key == tolower(items[scroll + i]->name[j]))
                	break;
	}
	if (i == max_choice)
       		for (i = 0; i < max_choice; i++) {
			j = first_alpha(items[scroll + i]->name, "YyNnMm>");
			if (key == tolower(items[scroll + i]->name[j]))
                		break;
		}
	}

	if (i < max_choice || 
            key == KEY_UP || key == KEY_DOWN ||
            key == '-' || key == '+' ||
            key == KEY_PPAGE || key == KEY_NPAGE) {

            print_item (menu, items[scroll + choice]->name, choice, FALSE,
                       (items[scroll + choice]->tag[0] != ':'));

	    if (key == KEY_UP || key == '-') {
                if (choice < 2 && scroll) {
	            /* Scroll menu down */
                    scrollok (menu, TRUE);
                    wscrl (menu, -1);
                    scrollok (menu, FALSE);

                    scroll--;

                    print_item (menu, items[scroll]->name, 0, FALSE,
                               (items[scroll]->tag[0] != ':'));
		} else
		    choice = MAX(choice - 1, 0);

	    } else if (key == KEY_DOWN || key == '+')  {

		print_item (menu, items[scroll + choice]->name, choice, FALSE,
                                (items[scroll + choice]->tag[0] != ':'));

                if ((choice > max_choice-3) &&
                    (scroll + max_choice < item_no)
                   ) {
		    /* Scroll menu up */
		    scrollok (menu, TRUE);
                    scroll (menu);
                    scrollok (menu, FALSE);

                    scroll++;

                    print_item (menu, items[scroll + max_choice - 1]->name,
                               max_choice-1, FALSE,
                               (items[scroll + max_choice - 1]->tag[0] != ':'));
                } else
                    choice = MIN(choice+1, max_choice-1);

	    } else if (key == KEY_PPAGE) {
	        scrollok (menu, TRUE);
                for (i=0; (i < max_choice); i++) {
                    if (scroll > 0) {
                	wscrl (menu, -1);
                	scroll--;
                	print_item (menu, items[scroll]->name, 0, FALSE,
                	(items[scroll]->tag[0] != ':'));
                    } else {
                        if (choice > 0)
                            choice--;
                    }
                }
                scrollok (menu, FALSE);

            } else if (key == KEY_NPAGE) {
                for (i=0; (i < max_choice); i++) {
                    if (scroll+max_choice < item_no) {
			scrollok (menu, TRUE);
			scroll(menu);
			scrollok (menu, FALSE);
                	scroll++;
                	print_item (menu, items[scroll + max_choice - 1]->name,
			            max_choice-1, FALSE,
			            (items[scroll + max_choice - 1]->tag[0] != ':'));
		    } else {
			if (choice+1 < max_choice)
			    choice++;
		    }
                }

            } else
                choice = i;

            print_item (menu, items[scroll + choice]->name, choice, TRUE,
                       (items[scroll + choice]->tag[0] != ':'));

            print_arrows(dialog, item_no, scroll,
                         box_y, box_x+item_x+1, menu_height);

            wnoutrefresh (dialog);
            wrefresh (menu);

	    continue;		/* wait for another key press */
        }

	switch (key) {
	case KEY_LEFT:
	case TAB:
	case KEY_RIGHT:
	    button = ((key == KEY_LEFT ? --button : ++button) < 0)
			? 2 : (button > 2 ? 0 : button);

	    print_buttons(dialog, height, width, button);
	    wrefresh (menu);
	    break;
	case ' ':
	case 's':
	case 'y':
	case 'n':
	case 'm':
	    /* save scroll info */
	    if ( (f=fopen("lxdialog.scrltmp","w")) != NULL ) {
		fprintf(f,"%d\n",scroll);
		fclose(f);
	    }
	    delwin (dialog);
            items[scroll + choice]->selected = 1;
            switch (key) {
            case 's': return 3;
            case 'y': return 3;
            case 'n': return 4;
            case 'm': return 5;
            case ' ': return 6;
            }
	    return 0;
	case 'h':
	case '?':
	    button = 2;
	case '\n':
	    delwin (dialog);
	    items[scroll + choice]->selected = 1;

	    remove("lxdialog.scrltmp");
	    return button;
	case 'e':
	case 'x':
	    key = ESC;
	case ESC:
	    break;
	}
    }

    delwin (dialog);
    remove("lxdialog.scrltmp");
    return -1;			/* ESC pressed */
}
Exemplo n.º 5
0
void print_backward(struct mp3 *pItem){
	for(; pItem; pItem = pItem->previous)
        print_item(pItem);
}
Exemplo n.º 6
0
/*
 * Display a dialog box with a list of options that can be turned on or off
 */
int
dialog_radiolist(unsigned char *title, unsigned char *prompt, int height, int width, int list_height,
		 int cnt, void *it, unsigned char *result)
{
    int i, j, x, y, cur_x, cur_y, old_x, old_y, box_x, box_y, key = 0, button,
	choice, l, k, scroll, max_choice, *status, item_no = 0, was_on = 0;
    int redraw_menu = FALSE, cursor_reset = FALSE;
    int rval = 0, onlist = 1, ok_space, cancel_space;
    char okButton, cancelButton;
    WINDOW *dialog, *list;
    unsigned char **items = NULL;
    dialogMenuItem *ditems;
    
    /* Allocate space for storing item on/off status */
    if ((status = alloca(sizeof(int) * abs(cnt))) == NULL) {
	endwin();
	fprintf(stderr, "\nCan't allocate memory in dialog_radiolist().\n");
	exit(-1);
    }
    
draw:
    button = choice = scroll = 0;
    /* Previous calling syntax, e.g. just a list of strings? */
    if (cnt >= 0) {
	items = it;
	ditems = NULL;
	item_no = cnt;
	/* Initializes status */
	for (i = 0; i < item_no; i++) {
	    status[i] = !strcasecmp(items[i*3 + 2], "on");
	    if (status[i]) {
		if (was_on)
		    status[i] = FALSE;
		else
		    was_on = 1;
	    }
	}
    }
    /* It's the new specification format - fake the rest of the code out */
    else {
	item_no = abs(cnt);
	ditems = it;
	if (!items)
	    items = (unsigned char **)alloca((item_no * 3) * sizeof(unsigned char *));
	/* Initializes status */
	for (i = 0; i < item_no; i++) {
	    status[i] = ditems[i].checked ? ditems[i].checked(&ditems[i]) : FALSE;
	    if (status[i]) {
		if (was_on)
		    status[i] = FALSE;
		else
		    was_on = 1;
	    }
	    items[i*3] = ditems[i].prompt;
	    items[i*3 + 1] = ditems[i].title;
	    items[i*3 + 2] = status[i] ? "on" : "off";
	}
    }
    max_choice = MIN(list_height, item_no);
    
    check_x = 0;
    item_x = 0;
    /* Find length of longest item in order to center radiolist */
    for (i = 0; i < item_no; i++) {
	l = strlen(items[i * 3]);
	for (j = 0; j < item_no; j++) {
	    k = strlen(items[j * 3 + 1]);
	    check_x = MAX(check_x, l + k + 6);
	}
	item_x = MAX(item_x, l);
    }
    if (height < 0)
	height = strheight(prompt) + list_height + 4 + 2;
    if (width < 0) {
	i = strwidth(prompt);
	j = ((title != NULL) ? strwidth(title) : 0);
	width = MAX(i, j);
	width = MAX(width, check_x + 4) + 4;
    }
    width = MAX(width, 24);
    
    if (width > COLS)
	width = COLS;
    if (height > LINES)
	height = LINES;
    /* center dialog box on screen */
    x = DialogX ? DialogX : (COLS - width) / 2;
    y = DialogY ? DialogY : (LINES - height) / 2;

#ifdef HAVE_NCURSES
    if (use_shadow)
	draw_shadow(stdscr, y, x, height, width);
#endif
    dialog = newwin(height, width, y, x);
    if (dialog == NULL) {
	endwin();
	fprintf(stderr, "\nnewwin(%d,%d,%d,%d) failed, maybe wrong dims\n", height, width, y, x);
	return -1;
    }
    keypad(dialog, TRUE);
    
    draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
    wattrset(dialog, border_attr);
    wmove(dialog, height - 3, 0);
    waddch(dialog, ACS_LTEE);
    for (i = 0; i < width - 2; i++)
	waddch(dialog, ACS_HLINE);
    wattrset(dialog, dialog_attr);
    waddch(dialog, ACS_RTEE);
    wmove(dialog, height - 2, 1);
    for (i = 0; i < width - 2; i++)
	waddch(dialog, ' ');
    
    if (title != NULL) {
	wattrset(dialog, title_attr);
	wmove(dialog, 0, (width - strlen(title)) / 2 - 1);
	waddch(dialog, ' ');
	waddstr(dialog, title);
	waddch(dialog, ' ');
    }
    wattrset(dialog, dialog_attr);
    wmove(dialog, 1, 2);
    print_autowrap(dialog, prompt, height - 1, width - 2, width, 1, 2, TRUE, FALSE);
    
    list_width = width - 6;
    getyx(dialog, cur_y, cur_x);
    box_y = cur_y + 1;
    box_x = (width - list_width) / 2 - 1;
    
    /* create new window for the list */
    list = subwin(dialog, list_height, list_width, y + box_y + 1, x + box_x + 1);
    if (list == NULL) {
	delwin(dialog);
	endwin();
	fprintf(stderr, "\nsubwin(dialog,%d,%d,%d,%d) failed, maybe wrong dims\n", list_height, list_width,
		y + box_y + 1,x + box_x + 1);
	return -1;
    }
    keypad(list, TRUE);
    
    /* draw a box around the list items */
    draw_box(dialog, box_y, box_x, list_height+2, list_width+2, menubox_border_attr, menubox_attr);
    
    check_x = (list_width - check_x) / 2;
    item_x = check_x + item_x + 6;
    
    /* Print the list */
    for (i = 0; i < max_choice; i++)
	print_item(list, items[i * 3], items[i * 3 + 1], status[i], i, i == choice, DREF(ditems, i));
    wnoutrefresh(list);
    print_arrows(dialog, scroll, list_height, item_no, box_x, box_y, check_x + 4, cur_x, cur_y);
    
    display_helpline(dialog, height-1, width);
    
    x = width/ 2 - 11;
    y = height - 2;
    if (ditems && result) {
	cancelButton = toupper(ditems[CANCEL_BUTTON].prompt[0]);
	print_button(dialog, ditems[CANCEL_BUTTON].prompt, y, x + strlen(ditems[OK_BUTTON].prompt) + 5,
		     ditems[CANCEL_BUTTON].checked ? ditems[CANCEL_BUTTON].checked(&ditems[CANCEL_BUTTON]) : FALSE);
	okButton = toupper(ditems[OK_BUTTON].prompt[0]);
	print_button(dialog, ditems[OK_BUTTON].prompt, y, x,
		     ditems[OK_BUTTON].checked ? ditems[OK_BUTTON].checked(&ditems[OK_BUTTON]) : TRUE);
    }
    else {
	cancelButton = 'C';
	print_button(dialog, "Cancel", y, x + 14, FALSE);
	okButton = 'O';
	print_button(dialog, "  OK  ", y, x, TRUE);
    }
    wnoutrefresh(dialog);
    wmove(list, choice, check_x+1);
    wrefresh(list);

    while (key != ESC) {
	key = wgetch(dialog);
	
	/* See if its the short-cut to "OK" */
	if (toupper(key) == okButton) {
	    if (ditems) {
		if (result && ditems[OK_BUTTON].fire) {
		    int st;
		    WINDOW *save;

		    save = dupwin(newscr);
		    st = ditems[OK_BUTTON].fire(&ditems[OK_BUTTON]);
		    if (st & DITEM_RESTORE) {
			touchwin(save);
			wrefresh(save);
		    }
		    delwin(save);
		}
	    }
	    else if (result) {
		*result = '\0';
		for (i = 0; i < item_no; i++) {
		    if (status[i]) {
			strcat(result, items[i*3]);
			break;
		    }
		}
	    }
	    rval = 0;
	    key = ESC;
	    break;
	}

	/* Shortcut to cancel */
	if (toupper(key) == cancelButton) {
	    if (ditems && result && ditems[CANCEL_BUTTON].fire) {
		int st;
		WINDOW *save;

		save = dupwin(newscr);
		st = ditems[CANCEL_BUTTON].fire(&ditems[CANCEL_BUTTON]);
		if (st & DITEM_RESTORE) {
		    touchwin(save);
		    wrefresh(save);
		}
		delwin(save);
	    }
	    rval = 1;
	    key = ESC;
	    break;
	}
	
	/* Check if key pressed matches first character of any item tag in list */
	for (i = 0; i < max_choice; i++)
	    if (key != ' ' && toupper(key) == toupper(items[(scroll + i) * 3][0]))
		break;

	if (i < max_choice || (key >= '1' && key <= MIN('9', '0' + max_choice)) ||
	    KEY_IS_UP(key) || KEY_IS_DOWN(key) || ((key == ' ' || key == '\r' || key == '\n') && onlist == 1)) {

	    /* if moving from buttons to the list, reset and redraw buttons */
	    if (!onlist) {
		onlist = 1;
		button = 0;

	    	if (ditems && result ) {
		    print_button(dialog, ditems[CANCEL_BUTTON].prompt, y, x + strlen(ditems[OK_BUTTON].prompt) + 5,
			ditems[CANCEL_BUTTON].checked ? ditems[CANCEL_BUTTON].checked(&ditems[CANCEL_BUTTON]) : button);
		    print_button(dialog, ditems[OK_BUTTON].prompt, y, x,
			ditems[OK_BUTTON].checked ? ditems[OK_BUTTON].checked(&ditems[OK_BUTTON]) : !button);
		}
		else {
		    print_button(dialog, "Cancel", y, x + 14, button);
		    print_button(dialog, "  OK  ", y, x, !button);
		}
	    }
	    wmove(list, choice, check_x+1);
	    wnoutrefresh(dialog);
	    wrefresh(list);

	    if (key >= '1' && key <= MIN('9', '0' + max_choice))
		i = key - '1';
	    else if (KEY_IS_UP(key)) {
		if (!choice) {
		    if (scroll) {
			/* Scroll list down */
			getyx(dialog, cur_y, cur_x);    /* Save cursor position */
			if (list_height > 1) {
			    /* De-highlight current first item before scrolling down */
			    print_item(list, items[scroll*3], items[scroll*3 + 1], status[scroll], 0,
				       FALSE, DREF(ditems, scroll));
			    scrollok(list, TRUE);
			    wscrl(list, -1);
			    scrollok(list, FALSE);
			}
			scroll--;
			print_item(list, items[scroll*3], items[scroll*3 + 1], status[scroll], 0,
				   TRUE, DREF(ditems, scroll));
			print_arrows(dialog, scroll, list_height, item_no, box_x, box_y, check_x + 4, cur_x, cur_y);
			wmove(list, choice, check_x+1);
			wnoutrefresh(dialog);
			wrefresh(list);
		    }
		    continue;    /* wait for another key press */
		}
		else
		    i = choice - 1;
	    }
	    else if (KEY_IS_DOWN(key)) {
		if (choice == max_choice - 1) {
		    if (scroll + choice < item_no - 1) {
			/* Scroll list up */
			getyx(dialog, cur_y, cur_x);    /* Save cursor position */
			if (list_height > 1) {
			    /* De-highlight current last item before scrolling up */
			    print_item(list, items[(scroll + max_choice - 1) * 3],
				       items[(scroll + max_choice - 1) * 3 + 1],
				       status[scroll + max_choice - 1], max_choice - 1,
				       FALSE, DREF(ditems, scroll + max_choice - 1));
			    scrollok(list, TRUE);
			    scroll(list);
			    scrollok(list, FALSE);
			}
			scroll++;
			print_item(list, items[(scroll + max_choice - 1) * 3],
				   items[(scroll + max_choice - 1) * 3 + 1],
				   status[scroll + max_choice - 1], max_choice - 1,
				   TRUE, DREF(ditems, scroll + max_choice - 1));
			print_arrows(dialog, scroll, list_height, item_no, box_x, box_y, check_x + 4, cur_x, cur_y);
			wmove(list, choice, check_x+1);
			wnoutrefresh(dialog);
			wrefresh(list);
		    }
		    continue;    /* wait for another key press */
		}
		else
		    i = choice + 1;
	    }
	    else if ((key == ' ' || key == '\r' || key == '\n') && onlist) {    /* Toggle item status */
		getyx(list, old_y, old_x);     /* Save cursor position */
		if (status[scroll + choice])
		    continue;
		else if (ditems) {
		    if (ditems[scroll + choice].fire) {
			int st;
			WINDOW *save;

			save = dupwin(newscr);
			st = ditems[scroll + choice].fire(&ditems[scroll + choice]);
			if (st & DITEM_RESTORE) {
			    touchwin(save);
			    wrefresh(save);
			}
			delwin(save);
			if (st & DITEM_REDRAW) {
			    wclear(list);
			    for (i = 0; i < item_no; i++)
				status[i] = ditems[i].checked ? ditems[i].checked(&ditems[i]) : FALSE;

			    for (i = 0; i < max_choice; i++) {
				print_item(list, items[(scroll + i) * 3], items[(scroll + i) * 3 + 1],
					   status[scroll + i], i, i == choice,
					   DREF(ditems, scroll + i));
			    }
/*			    wmove(list, old_y, old_x);*/  /* Restore cursor to previous position */
/*			    wrefresh(list); */
			}
			if (st & DITEM_LEAVE_MENU) {
			    /* Allow a fire action to take us out of the menu */
			    key = ESC;
			    break;
			}
			else if (st & DITEM_RECREATE) {
			    delwin(list);
			    delwin(dialog);
			    dialog_clear();
			    goto draw;
			}
		    }
		    for (i = 0; i < item_no; i++)
			status[i] = ditems[i].checked ? ditems[i].checked(&ditems[i]) : FALSE;
		}
		else {
		    for (i = 0; i < item_no; i++)
			status[i] = 0;
		    status[scroll + choice] = TRUE;
		}
		for (i = 0; i < max_choice; i++)
		    print_item(list, items[(scroll + i) * 3], items[(scroll + i) * 3 + 1],
			       status[scroll + i], i, i == choice, DREF(ditems, scroll + i));
		wmove(list, choice, check_x+1);  /* Restore cursor position */
		wrefresh(list);
		continue;    /* wait for another key press */
	    }
	    
	    if (i != choice) {
		/* De-highlight current item */
		print_item(list, items[(scroll + choice) * 3], items[(scroll + choice) * 3 +1],
			   status[scroll + choice], choice, FALSE, DREF(ditems, scroll + choice));
		/* Highlight new item */
		choice = i;
		print_item(list, items[(scroll + choice) * 3], items[(scroll + choice) * 3 + 1],
			   status[scroll + choice], choice, TRUE, DREF(ditems, scroll + choice));
		wmove(list, choice, check_x+1);  /* Restore cursor position */
		wrefresh(list);
	    }
	    continue;    /* wait for another key press */
	}
	
	switch (key) {
	case KEY_PPAGE:
	    if (scroll > height-4)		/* can we go up? */
		scroll -= (height-4);
	    else
		scroll = 0;
	    redraw_menu = TRUE;
	    if (!onlist) {
		onlist = 1;
		button = 0;
	    }
	    break;
	    
	case KEY_NPAGE:
	    if (scroll + list_height >= item_no-1 - list_height) { /* can we go down a full page? */
		scroll = item_no - list_height;
		if (scroll < 0)
		    scroll = 0;
	    }
	    else
		scroll += list_height;
	    redraw_menu = TRUE;
	    if (!onlist) {
		onlist = 1;
		button = 0;
	    }
	    break;
	    
	case KEY_HOME:
	    scroll = 0;
	    choice = 0;
	    redraw_menu = TRUE;
	    cursor_reset = TRUE;
	    onlist = 1;
	    break;
	    
	case KEY_END:
	    scroll = item_no - list_height;
	    if (scroll < 0)
		scroll = 0;
	    choice = max_choice - 1;
	    redraw_menu = TRUE;
	    cursor_reset = TRUE;
	    onlist = 1;
	    break;
	    
	case TAB:
	case KEY_BTAB:
	    /* move to next component */
	    if (onlist) {      /* on list, next is ok button */
		onlist = 0;
		if (ditems && result)
		    ok_space = 1;
		else
		    ok_space = 3;
		wmove(dialog, y, x + ok_space);
		wrefresh(dialog);
		break;
	    }
	    else if (button) {      /* on cancel button, next is list */
		button = 0;
		onlist = 1;
		redraw_menu = TRUE;
		break;
	    }
	    /* on ok button, next is cancel button, same as left/right case */

	case KEY_LEFT:
	case KEY_RIGHT:
	    onlist = 0;
	    button = !button;
	    if (ditems && result) {
		print_button(dialog, ditems[CANCEL_BUTTON].prompt, y, x + strlen(ditems[OK_BUTTON].prompt) + 5,
			     ditems[CANCEL_BUTTON].checked ? ditems[CANCEL_BUTTON].checked(&ditems[CANCEL_BUTTON]) : button);
		print_button(dialog, ditems[OK_BUTTON].prompt, y, x,
			     ditems[OK_BUTTON].checked ? ditems[OK_BUTTON].checked(&ditems[OK_BUTTON]) : !button);
		ok_space = 1;
		cancel_space = strlen(ditems[OK_BUTTON].prompt) + 6;
	    }
	    else {
		print_button(dialog, "Cancel", y, x + 14, button);
		print_button(dialog, "  OK  ", y, x, !button);
		ok_space = 3;
		cancel_space = 15;
	    }
	    if (button)
		wmove(dialog, y, x + cancel_space);
	    else
		wmove(dialog, y, x + ok_space);
	    wrefresh(dialog);
	    break;

	case ' ':	    
	case '\r':
	case '\n':
	    if (!onlist) {
		if (ditems) {
		    if (result && ditems[button ? CANCEL_BUTTON : OK_BUTTON].fire) {
			int st;
			WINDOW *save;

			save = dupwin(newscr);
			st = ditems[button ? CANCEL_BUTTON : OK_BUTTON].fire(&ditems[button ? CANCEL_BUTTON : OK_BUTTON]);
			if (st & DITEM_RESTORE) {
			    touchwin(save);
			    wrefresh(save);
			}
			delwin(save);
		    }
		}
		else if (result) {
		    *result = '\0';
		    for (i = 0; i < item_no; i++) {
			if (status[i]) {
			    strcpy(result, items[i*3]);
			    break;
			}
		    }
		}
		rval = button;
		key = ESC;
		break;
	    }
	    
	case ESC:
	    rval = -1;
	    break;
	    
	case KEY_F(1):
	case '?':
	    display_helpfile();
	    break;
	}
	
	if (redraw_menu) {
	    getyx(list, old_y, old_x);
	    wclear(list);
	    for (i = 0; i < max_choice; i++)
		print_item(list, items[(scroll + i) * 3], items[(scroll + i) * 3 + 1], status[scroll + i],
			   i, i == choice, DREF(ditems, scroll + i));
	    print_arrows(dialog, scroll, list_height, item_no, box_x, box_y, check_x + 4, cur_x, cur_y);

	    /* redraw buttons to fix highlighting */
	    if (ditems && result) {
		print_button(dialog, ditems[CANCEL_BUTTON].prompt, y, x + strlen(ditems[OK_BUTTON].prompt) + 5,
			ditems[CANCEL_BUTTON].checked ? ditems[CANCEL_BUTTON].checked(&ditems[CANCEL_BUTTON]) : button);
		print_button(dialog, ditems[OK_BUTTON].prompt, y, x,
			ditems[OK_BUTTON].checked ? ditems[OK_BUTTON].checked(&ditems[OK_BUTTON]) : !button);
	    }
	    else {
		print_button(dialog, "Cancel", y, x + 14, button);
		print_button(dialog, "  OK  ", y, x, !button);
	    }
	    wnoutrefresh(dialog);
	    if (cursor_reset) {
		wmove(list, choice, check_x+1);
		cursor_reset = FALSE;
	    }
	    else {
		wmove(list, old_y, old_x);
	    }
	    wrefresh(list);
	    redraw_menu = FALSE;
	}
    }
    
    delwin(list);
    delwin(dialog);
    return rval;    /* ESC pressed */
}
Exemplo n.º 7
0
static void Usage (vlc_object_t *p_this, char const *psz_search)
{
    bool b_has_advanced = false;
    bool found = false;
    unsigned i_only_advanced = 0; /* Number of modules ignored because they
                               * only have advanced options */
    bool strict = false;
    if (psz_search != NULL && psz_search[0] == '=')
    {
        strict = true;
        psz_search++;
    }

    bool color = false;
#ifndef _WIN32
    if (isatty(STDOUT_FILENO))
        color = var_InheritBool(p_this, "color");
#endif

    const bool desc = var_InheritBool(p_this, "help-verbose");
    const bool advanced = var_InheritBool(p_this, "advanced");

    /* List all modules */
    size_t count;
    module_t **list = module_list_get (&count);

    /* Enumerate the config for each module */
    for (size_t i = 0; i < count; i++)
    {
        const module_t *m = list[i];
        const module_config_t *section = NULL;
        const char *objname = module_get_object(m);

        if (m->i_config_items == 0)
            continue; /* Ignore modules without config options */
        if (!module_match(m, psz_search, strict))
            continue;
        found = true;

        if (!module_show(m, advanced))
        {   /* Ignore modules with only advanced config options if requested */
            i_only_advanced++;
            continue;
        }

        /* Print name of module */
        printf(color ? "\n " GREEN "%s" GRAY " (%s)\n" : "\n %s (%s)\n",
               module_gettext(m, m->psz_longname), objname);
        if (m->psz_help != NULL)
            printf(color ? CYAN" %s\n"GRAY : " %s\n",
                   module_gettext(m, m->psz_help));

        /* Print module options */
        for (size_t i = 0; i < m->confsize; i++)
        {
            const module_config_t *item = m->p_config + i;

            if (item->b_removed)
                continue; /* Skip removed options */
            if (item->b_advanced && !advanced)
            {   /* Skip advanced options unless requested */
                b_has_advanced = true;
                continue;
            }
            print_item(m, item, &section, color, desc);
        }
    }

    if( b_has_advanced )
        printf(color ? "\n" WHITE "%s" GRAY " %s\n"
                     : "\n%s %s\n", _( "Note:" ), _( "add --advanced to your "
                                     "command line to see advanced options."));
    if( i_only_advanced > 0 )
    {
        printf(color ? "\n" WHITE "%s" GRAY " " : "\n%s ", _( "Note:" ) );
        printf(vlc_ngettext("%u module was not displayed because it only has "
               "advanced options.\n", "%u modules were not displayed because "
               "they only have advanced options.\n", i_only_advanced),
               i_only_advanced);
    }
    else if (!found)
        printf(color ? "\n" WHITE "%s" GRAY "\n" : "\n%s\n",
               _("No matching module found. Use --list or "
                 "--list-verbose to list available modules."));

    /* Release the module list */
    module_list_free (list);
}
Exemplo n.º 8
0
void print_forward(struct mp3 *MP3){
	for(; MP3; MP3 = MP3->next)
        print_item(MP3);
}
struct item *asymmetric_signature(struct item *key, struct item *payload)
  /*@ requires [?f]world(?pub, ?key_clsfy) &*&
               principal(?principal1, ?count1) &*&
               item(payload, ?pay, pub) &*& item(key, ?k, pub) &*&
               k == private_key_item(?principal2, ?count2); @*/
  /*@ ensures  [f]world(pub, key_clsfy) &*&
               principal(principal1, count1 + 1) &*&
               item(payload, pay, pub) &*& item(key, k, pub) &*&
               item(result, ?sig, pub) &*&
               col ? true :
                 sig == asymmetric_signature_item(principal2, count2,
                                                  some(pay), ?ent); @*/
{
  debug_print("ASYM SIGNING:\n");
  print_item(payload);

  struct item* result;
  result = malloc(sizeof(struct item));
  if (result == 0) abort_crypto_lib("Malloc failed");

  debug_print("signing item\n");
  print_item(payload);
  print_item(key);

  {
    pk_context context;
    unsigned int olen;
    char* output;

    // Key
    //@ close pk_context(&context);
    //@ open [f]world(pub, key_clsfy);
    pk_init(&context);
    //@ close [f]world(pub, key_clsfy);
    set_private_key(&context, key);
    //@ open [f]world(pub, key_clsfy);
    /*@ assert pk_context_with_key(&context, pk_private,
                                   ?principal, ?count, RSA_BIT_KEY_SIZE); @*/
    //@ assert col || principal == principal2;
    //@ assert col || count == count2;

    // Payload
    //@ open item(payload, pay, pub);
    //@ open [_]item_constraints(pay, ?pay_cs, pub);
    //@ assert payload->content |-> ?p_cont &*& payload->size |-> ?p_size;
    if (payload->size > RSA_KEY_SIZE)
      abort_crypto_lib("Assymetric signing failed: incorrect size");
    output = malloc(RSA_KEY_SIZE);
    if (output == 0) abort_crypto_lib("Malloc failed");

    void *random_state = nonces_expose_state();
    //@ close random_state_predicate(havege_state_initialized);
    /*@ produce_function_pointer_chunk random_function(
                      asym_sig_havege_random_stub)
                     (havege_state_initialized)(state, out, len) { call(); } @*/
    //@ open principal(principal1, count1);
    if(pk_sign(&context, POLARSSL_MD_NONE,
               payload->content, (unsigned int) payload->size,
               output, &olen,
               asym_sig_havege_random_stub, random_state) != 0)
      abort_crypto_lib("Signing failed");
    //@ open principal(principal1, count1 + 1);
    //@ open cryptogram(output, ?sig_length, ?sig_cs, ?sig_cg);
    //@ assert sig_cg == cg_asym_signature(principal, count, pay_cs, ?ent);
    //@ assert u_integer(&olen, sig_length);
    //@ assert sig_length > 0 &*& sig_length <= RSA_KEY_SIZE;
    nonces_hide_state(random_state);
    //@ pk_release_context_with_key(&context);
    pk_free(&context);
    //@ open pk_context(&context);
    //@ close [f]world(pub, key_clsfy);
    debug_print("signed item\n");
    print_buffer(output, (int) olen);

    // Create item
    if (olen < MINIMAL_STRING_SIZE)
      abort_crypto_lib("Assymetric signing failed: output to small");
    result->size = TAG_LENGTH + (int) olen;
    result->content = malloc(result->size);
    if (result->content == 0) {abort_crypto_lib("Malloc failed");}
    write_tag(result->content, TAG_ASYMMETRIC_SIG);
    //@ assert result->content |-> ?cont &*& result->size |-> ?size;
    //@ assert chars(cont, TAG_LENGTH, ?tag_cs);
    //@ assert tag_cs == full_tag(TAG_ASYMMETRIC_SIG);
    //@ public_chars(cont, TAG_LENGTH);
    //@ chars_to_secret_crypto_chars(cont, TAG_LENGTH);
    memcpy(result->content + TAG_LENGTH, output, olen);

    //@ crypto_chars_join(cont);
    //@ list<char> cs = append(tag_cs, sig_cs);
    //@ assert crypto_chars(secret, cont, size, cs);

    //@ item e = asymmetric_signature_item(principal, count, some(pay), ent);
    //@ close ic_cg(e)(sig_cs, sig_cg);
    /*@ if (col)
        {
          public_chars(cont, size);
          public_generated_split(polarssl_pub(pub), cs, TAG_LENGTH);
        }
    @*/
    //@ close item(payload, pay, pub);
    zeroize(output, (int) olen);
    //@ chars_join(output);
    free(output);
    //@ WELL_FORMED(tag_cs, sig_cs, TAG_ASYMMETRIC_SIG)
    //@ close ic_parts(e)(tag_cs, sig_cs);
    //@ close well_formed_item_chars(e)(pay_cs);
    //@ leak well_formed_item_chars(e)(pay_cs);
    //@ close item_constraints(e, cs, pub);
    //@ leak item_constraints(e, cs, pub);
    //@ close item(result, e, pub);
  }
  debug_print("SINGING RESULT:\n");
  print_item(result);

  return result;
}
Exemplo n.º 10
0
void asymmetric_signature_verify(struct item *key, struct item *item,
                                 struct item *signature)
  /*@ requires [?f]world(?pub, ?key_clsfy) &*&
               item(item, ?i, pub) &*& item(key, ?k, pub) &*&
               item(signature, ?sig, pub) &*&
                 sig == asymmetric_signature_item(?principal1, ?count1,
                                                  ?pay1, ?ent) &*&
               k == public_key_item(?principal2, ?count2); @*/
  /*@ ensures  [f]world(pub, key_clsfy) &*&
               item(item, i, pub) &*& item(key, k, pub) &*&
               item(signature, sig, pub) &*&
               switch(pay1)
               {
                 case some(pay2):
                   return col || (principal1 == principal2 &&
                                  count1 == count2 && i == pay2);
                 case none:
                   return true == col;
               }; @*/
{
  debug_print("ASYM SIGNATURE CHECKING:\n");
  print_item(signature);
  check_is_asymmetric_signature(signature);

  {
    pk_context context;
    unsigned int olen;
    char* output;

    // Key
    //@ close pk_context(&context);
    //@ open [f]world(pub, key_clsfy);
    pk_init(&context);
    //@ close [f]world(pub, key_clsfy);
    set_public_key(&context, key);
    /*@ assert pk_context_with_key(&context, pk_public,
                                   ?principal3, ?count3, RSA_BIT_KEY_SIZE); @*/
    // Signature checking
    //@ open item(item, ?i_old, pub);
    //@ assert item->content |-> ?i_cont &*& item->size |-> ?i_size;
    //@ assert crypto_chars(secret, i_cont, i_size, ?i_cs);
    //@ assert [_]item_constraints(i, i_cs, pub);
    //@ open item(signature, _, pub);
    //@ assert signature->content |-> ?s_cont &*& signature->size |-> ?s_size;
    //@ assert crypto_chars(secret, s_cont, s_size, ?sig_cs);
    //@ open [_]item_constraints(sig, sig_cs, pub);
    //@ open ic_parts(sig)(?sig_tag, ?sig_cont);
    //@ take_append(TAG_LENGTH, sig_tag, sig_cont);
    //@ drop_append(TAG_LENGTH, sig_tag, sig_cont);
    //@ open [_]ic_cg(sig)(_, ?cg_sig);
    //@ assert cg_sig == cg_asym_signature(principal1, count1, ?cs_pay, ent);

    if (item->size > RSA_KEY_SIZE)
      abort_crypto_lib("Assymetric signature checking failed: incorrect sizes");

    //@ crypto_chars_limits(s_cont);
    //@ crypto_chars_split(s_cont, TAG_LENGTH);
    //@ assert crypto_chars(secret, s_cont, TAG_LENGTH, sig_tag);
    //@ assert crypto_chars(secret, s_cont + TAG_LENGTH, ?s, sig_cont);
    //@ assert s == s_size - TAG_LENGTH;
    //@ if (col) cg_sig = chars_for_cg_sur(sig_cont, tag_asym_signature);
    //@ if (col) crypto_chars_to_chars(s_cont + TAG_LENGTH, s);
    //@ if (col) public_chars_extract(s_cont + TAG_LENGTH, cg_sig);
    //@ if (col) chars_to_secret_crypto_chars(s_cont + TAG_LENGTH, s);
    //@ close cryptogram(s_cont + TAG_LENGTH, s, sig_cont, cg_sig);
    if(pk_verify(&context, POLARSSL_MD_NONE, item->content,
                 (unsigned int) item->size,
                 signature->content + TAG_LENGTH,
                 (unsigned int) (signature->size - TAG_LENGTH)) != 0)
      abort_crypto_lib("Signing check failed: signature"
                       "was not created with the provided key");
    //@ pk_release_context_with_key(&context);
    pk_free(&context);
    //@ open pk_context(&context);
    //@ open cryptogram(s_cont + TAG_LENGTH, s, sig_cont, cg_sig);
    //@ crypto_chars_join(s_cont);
    //@ close item(signature, sig, pub);

    /*@ if (!col)
        {
          assert principal2 == principal3;
          assert count2 == count3;
          assert cs_pay == i_cs;
          open [_]item_constraints(i, cs_pay, pub);
          switch(pay1)
          {
            case some(pay2):
              assert [_]item_constraints(pay2, cs_pay, pub);
              item_constraints_injective(i, pay2, cs_pay);
            case none:
              open [_]ill_formed_item_chars(sig)(cs_pay);
              assert false;
          }
        }
    @*/
    //@ close item(item, i, pub);
  }
}
Exemplo n.º 11
0
/*
 * Display a dialog box with a list of options that can be turned on or off
 * in the style of radiolist (only one option turned on at a time).
 */
int dialog_checklist(const char *title, const char *prompt, int height,
		     int width, int list_height, int item_no,
		     const char *const *items)
{
	int i, x, y, box_x, box_y;
	int key = 0, button = 0, choice = 0, scroll = 0, max_choice, *status;
	WINDOW *dialog, *list;

	/* Allocate space for storing item on/off status */
	if ((status = malloc(sizeof(int) * item_no)) == NULL) {
		endwin();
		fprintf(stderr,
			"\nCan't allocate memory in dialog_checklist().\n");
		exit(-1);
	}

	/* Initializes status */
	for (i = 0; i < item_no; i++) {
		status[i] = !strcasecmp(items[i * 3 + 2], "on");
		if ((!choice && status[i])
		    || !strcasecmp(items[i * 3 + 2], "selected"))
			choice = i + 1;
	}
	if (choice)
		choice--;

	max_choice = MIN(list_height, item_no);

	/* center dialog box on screen */
	x = (COLS - width) / 2;
	y = (LINES - height) / 2;

	draw_shadow(stdscr, y, x, height, width);

	dialog = newwin(height, width, y, x);
	keypad(dialog, TRUE);

	draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
	wattrset(dialog, border_attr);
	mvwaddch(dialog, height - 3, 0, ACS_LTEE);
	for (i = 0; i < width - 2; i++)
		waddch(dialog, ACS_HLINE);
	wattrset(dialog, dialog_attr);
	waddch(dialog, ACS_RTEE);

	print_title(dialog, title, width);

	wattrset(dialog, dialog_attr);
	print_autowrap(dialog, prompt, width - 2, 1, 3);

	list_width = width - 6;
	box_y = height - list_height - 5;
	box_x = (width - list_width) / 2 - 1;

	/* create new window for the list */
	list = subwin(dialog, list_height, list_width, y + box_y + 1,
	              x + box_x + 1);

	keypad(list, TRUE);

	/* draw a box around the list items */
	draw_box(dialog, box_y, box_x, list_height + 2, list_width + 2,
	         menubox_border_attr, menubox_attr);

	/* Find length of longest item in order to center checklist */
	check_x = 0;
	for (i = 0; i < item_no; i++)
		check_x = MAX(check_x, +strlen(items[i * 3 + 1]) + 4);

	check_x = (list_width - check_x) / 2;
	item_x = check_x + 4;

	if (choice >= list_height) {
		scroll = choice - list_height + 1;
		choice -= scroll;
	}

	/* Print the list */
	for (i = 0; i < max_choice; i++) {
		print_item(list, items[(scroll + i) * 3 + 1],
			   status[i + scroll], i, i == choice);
	}

	print_arrows(dialog, choice, item_no, scroll,
		     box_y, box_x + check_x + 5, list_height);

	print_buttons(dialog, height, width, 0);

	wnoutrefresh(dialog);
	wnoutrefresh(list);
	doupdate();

	while (key != ESC) {
		key = wgetch(dialog);

		for (i = 0; i < max_choice; i++)
			if (toupper(key) ==
			    toupper(items[(scroll + i) * 3 + 1][0]))
				break;

		if (i < max_choice || key == KEY_UP || key == KEY_DOWN ||
		    key == '+' || key == '-') {
			if (key == KEY_UP || key == '-') {
				if (!choice) {
					if (!scroll)
						continue;
					/* Scroll list down */
					if (list_height > 1) {
						/* De-highlight current first item */
						print_item(list, items[scroll * 3 + 1],
							   status[scroll], 0, FALSE);
						scrollok(list, TRUE);
						wscrl(list, -1);
						scrollok(list, FALSE);
					}
					scroll--;
					print_item(list, items[scroll * 3 + 1], status[scroll], 0, TRUE);
					print_arrows(dialog, choice, item_no,
						     scroll, box_y, box_x + check_x + 5, list_height);

					wnoutrefresh(dialog);
					wrefresh(list);

					continue;	/* wait for another key press */
				} else
					i = choice - 1;
			} else if (key == KEY_DOWN || key == '+') {
				if (choice == max_choice - 1) {
					if (scroll + choice >= item_no - 1)
						continue;
					/* Scroll list up */
					if (list_height > 1) {
						/* De-highlight current last item before scrolling up */
						print_item(list, items[(scroll + max_choice - 1) * 3 + 1],
							   status[scroll + max_choice - 1],
							   max_choice - 1, FALSE);
						scrollok(list, TRUE);
						wscrl(list, 1);
						scrollok(list, FALSE);
					}
					scroll++;
					print_item(list, items[(scroll + max_choice - 1) * 3 + 1],
						   status[scroll + max_choice - 1], max_choice - 1, TRUE);

					print_arrows(dialog, choice, item_no,
						     scroll, box_y, box_x + check_x + 5, list_height);

					wnoutrefresh(dialog);
					wrefresh(list);

					continue;	/* wait for another key press */
				} else
					i = choice + 1;
			}
			if (i != choice) {
				/* De-highlight current item */
				print_item(list, items[(scroll + choice) * 3 + 1],
					   status[scroll + choice], choice, FALSE);
				/* Highlight new item */
				choice = i;
				print_item(list, items[(scroll + choice) * 3 + 1],
					   status[scroll + choice], choice, TRUE);
				wnoutrefresh(dialog);
				wrefresh(list);
			}
			continue;	/* wait for another key press */
		}
		switch (key) {
		case 'H':
		case 'h':
		case '?':
			fprintf(stderr, "%s", items[(scroll + choice) * 3]);
			delwin(dialog);
			free(status);
			return 1;
		case TAB:
		case KEY_LEFT:
		case KEY_RIGHT:
			button = ((key == KEY_LEFT ? --button : ++button) < 0)
			    ? 1 : (button > 1 ? 0 : button);

			print_buttons(dialog, height, width, button);
			wrefresh(dialog);
			break;
		case 'S':
		case 's':
		case ' ':
		case '\n':
			if (!button) {
				if (!status[scroll + choice]) {
					for (i = 0; i < item_no; i++)
						status[i] = 0;
					status[scroll + choice] = 1;
					for (i = 0; i < max_choice; i++)
						print_item(list, items[(scroll + i) * 3 + 1],
							   status[scroll + i], i, i == choice);
				}
				wnoutrefresh(dialog);
				wrefresh(list);

				for (i = 0; i < item_no; i++)
					if (status[i])
						fprintf(stderr, "%s", items[i * 3]);
			} else
				fprintf(stderr, "%s", items[(scroll + choice) * 3]);
			delwin(dialog);
			free(status);
			return button;
		case 'X':
		case 'x':
			key = ESC;
		case ESC:
			break;
		}

		/* Now, update everything... */
		doupdate();
	}

	delwin(dialog);
	free(status);
	return -1;		/* ESC pressed */
}
Exemplo n.º 12
0
void
widget_select_keyhandler( input_key key )
{
  int new_highlight_line = 0;
  int cursor_pressed = 0;
  size_t width = widget_calculate_select_width( title );
  int menu_left_edge_x = DISPLAY_WIDTH_COLS/2-width/2;

  switch( key ) {

#if 0
  case INPUT_KEY_Resize:	/* Fake keypress used on window resize */
    widget_select_draw( NULL );
    break;
#endif

  case INPUT_KEY_Escape:
  case INPUT_JOYSTICK_FIRE_2:
    widget_end_widget( WIDGET_FINISHED_CANCEL );
    return;

  case INPUT_KEY_Return:
  case INPUT_KEY_KP_Enter:
  case INPUT_JOYSTICK_FIRE_1:
    widget_end_widget( WIDGET_FINISHED_OK );
    return;

  case INPUT_KEY_Up:
  case INPUT_KEY_7:
  case INPUT_JOYSTICK_UP:
    if ( highlight_line ) {
      new_highlight_line = highlight_line - 1;
      cursor_pressed = 1;
    }
    break;

  case INPUT_KEY_Down:
  case INPUT_KEY_6:
  case INPUT_JOYSTICK_DOWN:
    if ( highlight_line + 1 < (ptrdiff_t)count ) {
      new_highlight_line = highlight_line + 1;
      cursor_pressed = 1;
    }
    break;

  case INPUT_KEY_Home:
    if ( highlight_line ) {
      new_highlight_line = 0;
      cursor_pressed = 1;
    }
    break;

  case INPUT_KEY_End:
    if ( highlight_line + 2 < (ptrdiff_t)count ) {
      new_highlight_line = (ptrdiff_t)count - 1;
      cursor_pressed = 1;
    }
    break;

  default:	/* Keep gcc happy */
    break;

  }

  if( cursor_pressed                                  ||
      ( key >= INPUT_KEY_a && key <= INPUT_KEY_z &&
	key - INPUT_KEY_a < (ptrdiff_t)count        )
    ) {
    
    /* Remove the old highlight */
    widget_rectangle( menu_left_edge_x * 8 + 1, highlight_line * 8 + 24,
                      width * 8 - 2, 1 * 8, WIDGET_COLOUR_BACKGROUND );
    print_item( menu_left_edge_x, width, highlight_line,
                WIDGET_COLOUR_FOREGROUND );

    /*  draw the new one */
    if( cursor_pressed ) {
      highlight_line = new_highlight_line;
    } else {
      highlight_line = key - INPUT_KEY_a;
    }
    
    widget_rectangle( menu_left_edge_x * 8 + 1, highlight_line * 8 + 24,
                      width * 8 - 2, 1 * 8, WIDGET_COLOUR_HIGHLIGHT );
    print_item( menu_left_edge_x, width, highlight_line, WIDGET_COLOUR_FOREGROUND );

    widget_display_lines( 2, count + 2 );
  }
}
Exemplo n.º 13
0
/*
 * Display a menu for choosing among a number of options
 */
int
dialog_menu(const char *title, const char *cprompt, int height, int width,
	    int menu_height, int item_no, char **items)
{
    int i, j, x, y, cur_x, cur_y, box_x, box_y;
    int key = 0, fkey;
    int button = 0;
    int choice = dlg_default_item(items, MENUBOX_TAGS);
    int result = DLG_EXIT_UNKNOWN;
    int scrollamt = 0;
    int max_choice, min_width;
    int found;
    int use_width, name_width, text_width;
    WINDOW *dialog, *menu;
    char *prompt = strclone(cprompt);
    const char **buttons = dlg_ok_labels();

    tab_correct_str(prompt);
    if (menu_height == 0) {
	min_width = calc_listw(item_no, items, MENUBOX_TAGS) + 10;
	/* calculate height without items (4) */
	auto_size(title, prompt, &height, &width, 4, MAX(26, min_width));
	calc_listh(&height, &menu_height, item_no);
    } else {
	auto_size(title, prompt, &height, &width, 4 + menu_height, 26);
    }
    print_size(height, width);
    ctl_size(height, width);

    /* Find out maximal number of displayable items at once. */
    max_choice = MIN(menu_height,
		     RowHeight(item_no));
    if (dialog_vars.input_menu)
	max_choice /= INPUT_ROWS;

    x = box_x_ordinate(width);
    y = box_y_ordinate(height);

    dialog = new_window(height, width, y, x);

    mouse_setbase(x, y);

    draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
    draw_bottom_box(dialog);
    draw_title(dialog, title);

    wattrset(dialog, dialog_attr);
    print_autowrap(dialog, prompt, height, width);

    menu_width = width - 6;
    getyx(dialog, cur_y, cur_x);
    box_y = cur_y + 1;
    box_x = (width - menu_width) / 2 - 1;

    /* create new window for the menu */
    menu = sub_window(dialog, menu_height, menu_width,
		      y + box_y + 1,
		      x + box_x + 1);

    /* draw a box around the menu items */
    draw_box(dialog, box_y, box_x, menu_height + 2, menu_width + 2,
	     menubox_border_attr, menubox_attr);

    name_width = 0;
    text_width = 0;

    /* Find length of longest item to center menu  *
     * only if --menu was given, using --inputmenu *
     * won't be centered.                         */
    for (i = 0; i < item_no; i++) {
	name_width = MAX(name_width, dlg_count_columns(ItemName(i)));
	text_width = MAX(text_width, dlg_count_columns(ItemText(i)));
    }

    /* If the name+text is wider than the list is allowed, then truncate
     * one or both of them.  If the name is no wider than 1/4 of the list,
     * leave it intact.
     */
    use_width = (menu_width - GUTTER);
    if (text_width + name_width > use_width) {
	int need = 0.25 * use_width;
	if (name_width > need) {
	    int want = use_width * ((double) name_width) / (text_width + name_width);
	    name_width = (want > need) ? want : need;
	}
	text_width = use_width - name_width;
    }

    tag_x = (dialog_vars.input_menu
	     ? 0
	     : (use_width - text_width - name_width) / 2);
    item_x = name_width + tag_x + GUTTER;

    if (choice - scrollamt >= max_choice) {
	scrollamt = choice - (max_choice - 1);
	choice = max_choice - 1;
    }

    /* Print the menu */
    for (i = 0; i < max_choice; i++)
	print_item(menu, ItemData(i + scrollamt), i, i == choice);
    (void) wnoutrefresh(menu);

    /* register the new window, along with its borders */
    mouse_mkbigregion(box_y + 1, box_x, menu_height + 2, menu_width + 2,
		      KEY_MAX, 1, 1, 1 /* by lines */ );

    dlg_draw_arrows(dialog, scrollamt,
		    scrollamt + max_choice < item_no,
		    box_x + tag_x + 1,
		    box_y,
		    box_y + menu_height + 1);

    dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width);

    wtimeout(dialog, WTIMEOUT_VAL);

    while (result == DLG_EXIT_UNKNOWN) {
	key = mouse_wgetch(dialog, &fkey);

	if (!fkey) {
	    fkey = TRUE;
	    switch (key) {
	    case '\n':
	    case '\r':
		key = KEY_ENTER;
		break;
	    case '-':
		key = KEY_UP;
		break;
	    case '+':
		key = KEY_DOWN;
		break;
	    case ' ':
	    case TAB:
		key = KEY_RIGHT;
		break;
	    case ESC:
		result = DLG_EXIT_ESC;
		continue;
	    default:
		fkey = FALSE;
		break;
	    }
	}

	found = FALSE;
	if (fkey) {
	    /*
	     * Allow a mouse-click on a box to switch selection to that box.
	     * Handling a button click is a little more complicated, since we
	     * push a KEY_ENTER back onto the input stream so we'll put the
	     * cursor at the right place before handling the "keypress".
	     */
	    if (key >= (M_EVENT + KEY_MAX)) {
		key -= (M_EVENT + KEY_MAX);
		i = RowToItem(key);
		found = TRUE;
	    } else if (key >= M_EVENT
		       && dlg_ok_buttoncode(key - M_EVENT) >= 0) {
		button = (key - M_EVENT);
		ungetch('\n');
		continue;
	    }
	} else {
	    /*
	     * Check if key pressed matches first character of any item tag in
	     * list.  If there is more than one match, we will cycle through
	     * each one as the same key is pressed repeatedly.
	     */
	    for (j = scrollamt + choice + 1; j < item_no; j++) {
		if (dlg_match_char(dlg_last_getc(), ItemName(j))) {
		    found = TRUE;
		    i = j - scrollamt;
		    break;
		}
	    }
	    if (!found) {
		for (j = 0; j <= scrollamt + choice; j++) {
		    if (dlg_match_char(dlg_last_getc(), ItemName(j))) {
			found = TRUE;
			i = j - scrollamt;
			break;
		    }
		}
	    }
	    if (found)
		dlg_flush_getc();

	    /*
	     * A single digit (1-9) positions the selection to that line in the
	     * current screen.
	     */
	    if (!found
		&& (key <= '9')
		&& (key > '0')
		&& (key - '1' < max_choice)) {
		found = TRUE;
		i = key - '1';
	    }
	}

	if (!found && fkey) {
	    found = TRUE;
	    switch (key) {
	    case KEY_HOME:
		i = -scrollamt;
		break;
	    case KEY_LL:
	    case KEY_END:
		i = item_no - 1 - scrollamt;
		break;
	    case M_EVENT + KEY_PPAGE:
	    case KEY_PPAGE:
		if (choice)
		    i = 0;
		else if (scrollamt != 0)
		    i = -MIN(scrollamt, max_choice);
		else
		    continue;
		break;
	    case M_EVENT + KEY_NPAGE:
	    case KEY_NPAGE:
		i = MIN(choice + max_choice, item_no - scrollamt - 1);
		break;
	    case KEY_UP:
		i = choice - 1;
		if (choice == 0 && scrollamt == 0)
		    continue;
		break;
	    case KEY_DOWN:
		i = choice + 1;
		if (scrollamt + choice >= item_no - 1)
		    continue;
		break;
	    default:
		found = FALSE;
		break;
	    }
	}

	if (found) {
	    if (i != choice) {
		getyx(dialog, cur_y, cur_x);
		if (i < 0 || i >= max_choice) {
#if defined(NCURSES_VERSION_MAJOR) && NCURSES_VERSION_MAJOR < 5
		    /*
		     * Using wscrl to assist ncurses scrolling is not needed
		     * in version 5.x
		     */
		    if (i == -1) {
			if (menu_height > 1) {
			    /* De-highlight current first item */
			    print_item(menu, ItemData(scrollamt), 0, FALSE);
			    scrollok(menu, TRUE);
			    wscrl(menu, -RowHeight(1));
			    scrollok(menu, FALSE);
			}
			scrollamt--;
			print_item(menu, ItemData(scrollamt), 0, TRUE);
		    } else if (i == max_choice) {
			if (menu_height > 1) {
			    /* De-highlight current last item before scrolling up */
			    print_item(menu,
				       ItemData(scrollamt + max_choice - 1),
				       max_choice - 1, FALSE);
			    scrollok(menu, TRUE);
			    wscrl(menu, RowHeight(1));
			    scrollok(menu, FALSE);
			}
			scrollamt++;
			print_item(menu,
				   ItemData(scrollamt + max_choice - 1),
				   max_choice - 1, TRUE);
		    } else
#endif
		    {
			if (i < 0) {
			    scrollamt += i;
			    choice = 0;
			} else {
			    choice = max_choice - 1;
			    scrollamt += (i - max_choice + 1);
			}
			for (i = 0; i < max_choice; i++) {
			    print_item(menu,
				       ItemData(scrollamt + i),
				       i, i == choice);
			}
		    }
		    /* Clean bottom lines */
		    if (dialog_vars.input_menu) {
			int spare_lines, x_count;
			spare_lines = menu_height % INPUT_ROWS;
			wattrset(menu, menubox_attr);
			for (; spare_lines; spare_lines--) {
			    wmove(menu, menu_height - spare_lines, 0);
			    for (x_count = 0; x_count < menu_width;
				 x_count++) {
				waddch(menu, ' ');
			    }
			}
		    }
		    (void) wnoutrefresh(menu);
		    dlg_draw_arrows(dialog, scrollamt,
				    scrollamt + choice < item_no - 1,
				    box_x + tag_x + 1,
				    box_y,
				    box_y + menu_height + 1);
		} else {
		    /* De-highlight current item */
		    print_item(menu,
			       ItemData(scrollamt + choice),
			       choice, FALSE);
		    /* Highlight new item */
		    choice = i;
		    print_item(menu,
			       ItemData(scrollamt + choice),
			       choice, TRUE);
		    (void) wnoutrefresh(menu);
		    (void) wmove(dialog, cur_y, cur_x);
		    wrefresh(dialog);
		}
	    }
	    continue;		/* wait for another key press */
	}

	if (fkey) {
	    switch (key) {
	    case KEY_BTAB:
	    case KEY_LEFT:
		button = dlg_prev_button(buttons, button);
		dlg_draw_buttons(dialog, height - 2, 0, buttons, button,
				 FALSE, width);
		break;
	    case KEY_RIGHT:
		button = dlg_next_button(buttons, button);
		dlg_draw_buttons(dialog, height - 2, 0, buttons, button,
				 FALSE, width);
		break;
	    case KEY_ENTER:
		del_window(dialog);
		result = handle_button(dlg_ok_buttoncode(button),
				       items,
				       scrollamt + choice);

		if (dialog_vars.input_menu && result == DLG_EXIT_EXTRA) {
		    char *tmp;
		    tmp = input_menu_edit(menu, ItemData(scrollamt + choice),
					  choice);

		    dialog_vars.input_result[0] = '\0';
		    dlg_add_result("RENAMED ");
		    dlg_add_result(ItemName(scrollamt + choice));
		    dlg_add_result(" ");
		    dlg_add_result(tmp);
		    free(tmp);

		    dlg_draw_buttons(dialog, height - 2, 0,
				     buttons, button, FALSE, width);
		}
		break;
	    default:
		flash();
		break;
	    }
	}
    }

    mouse_free_regions();
    del_window(dialog);
    free(prompt);
    return result;
}