2 * Copyright (C) 2009 Sony Computer Entertainment Inc.
3 * Copyright 2009 Sony Corp.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; version 2 of the License.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 #if defined(HAVE_CONFIG_H)
29 #include <sys/ioctl.h>
30 #include <sys/reboot.h>
33 #include "pb-protocol/pb-protocol.h"
34 #include "talloc/talloc.h"
35 #include "waiter/waiter.h"
36 #include "process/process.h"
37 #include "i18n/i18n.h"
38 #include "ui/common/discover-client.h"
39 #include "ui/common/ui-system.h"
41 #include "nc-boot-editor.h"
42 #include "nc-config.h"
43 #include "nc-add-url.h"
44 #include "nc-sysinfo.h"
46 #include "nc-helpscreen.h"
47 #include "nc-statuslog.h"
48 #include "nc-subset.h"
49 #include "nc-plugin.h"
51 #include "console-codes.h"
53 extern const struct help_text main_menu_help_text;
54 extern const struct help_text plugin_menu_help_text;
56 static bool cui_detached = false;
58 static struct pmenu *main_menu_init(struct cui *cui);
59 static struct pmenu *plugin_menu_init(struct cui *cui);
61 static void cui_cancel_autoboot_on_exit(struct cui *cui);
62 static void cui_auth_exit(struct cui *cui);
66 struct autoboot_option opt;
67 } autoboot_override_keys[] = {
69 .boot_type = BOOT_DEVICE_TYPE,
70 .type = DEVICE_TYPE_DISK,
74 .boot_type = BOOT_DEVICE_TYPE,
75 .type = DEVICE_TYPE_USB,
79 .boot_type = BOOT_DEVICE_TYPE,
80 .type = DEVICE_TYPE_NETWORK,
85 static bool lockdown_active(void)
87 #if defined(SIGNED_BOOT) && defined(HARD_LOCKDOWN)
90 bool lockdown = false;
91 if (access(LOCKDOWN_FILE, F_OK) != -1)
97 static void cui_set_curses_options(bool curses_mode)
100 cbreak(); /* Disable line buffering. */
101 noecho(); /* Disable getch() echo. */
102 nonl(); /* Disable new-line translation. */
103 intrflush(stdscr, FALSE); /* Disable interrupt flush. */
104 curs_set(0); /* Make cursor invisible */
105 nodelay(stdscr, TRUE); /* Enable non-blocking getch() */
107 nocbreak(); /* Enable line buffering. */
108 echo(); /* Enable getch() echo. */
109 nl(); /* Enable new-line translation. */
110 intrflush(stdscr, TRUE); /* Enable interrupt flush. */
111 curs_set(1); /* Make cursor visible */
112 nodelay(stdscr, FALSE); /* Disable non-blocking getch() */
116 static void cui_start(void)
118 initscr(); /* Initialize ncurses. */
119 keypad(stdscr, TRUE); /* Enable num keypad keys. */
120 cui_set_curses_options(true);
122 /* We may be operating with an incorrect $TERM type; in this case
123 * the keymappings will be slightly broken. We want at least
124 * backspace to work though, so we'll define both DEL and ^H to
125 * map to backspace */
126 define_key("\x7f", KEY_BACKSPACE);
127 define_key("\x08", KEY_BACKSPACE);
129 /* we need backtab too, for form navigation. vt220 doesn't include
130 * this (kcbt), but we don't want to require a full linux/xterm termcap
132 define_key("\x1b[Z", KEY_BTAB);
134 /* We'll define a few other keys too since they're commonly
135 * used for navigation but the escape character will cause
136 * Petitboot to exit if they're left undefined */
137 define_key("\x1b\x5b\x35\x7e", KEY_PPAGE);
138 define_key("\x1b\x5b\x36\x7e", KEY_NPAGE);
139 define_key("\x1b\x5b\x31\x7e", KEY_HOME);
140 define_key("\x1b\x5b\x34\x7e", KEY_END);
141 define_key("\x1b\x4f\x48", KEY_HOME);
142 define_key("\x1b\x4f\x46", KEY_END);
143 define_key("OH", KEY_HOME);
144 define_key("OF", KEY_END);
146 /* Arrow keys in normal cursor mode */
147 define_key("\x1b\x5b\x41", KEY_UP);
148 define_key("\x1b\x5b\x42", KEY_DOWN);
149 define_key("\x1b\x5b\x43", KEY_RIGHT);
150 define_key("\x1b\x5b\x44", KEY_LEFT);
151 /* Arrow keys in "application" cursor mode */
152 define_key("\x1b\x4f\x41", KEY_UP);
153 define_key("\x1b\x4f\x42", KEY_DOWN);
154 define_key("\x1b\x4f\x43", KEY_RIGHT);
155 define_key("\x1b\x4f\x44", KEY_LEFT);
157 define_key("\x1b\x5b\x33\x7e", KEY_DC);
159 while (getch() != ERR) /* flush stdin */
163 static void cui_atexit(void)
172 bool lockdown = lockdown_active();
181 * cui_abort - Signal the main cui program loop to exit.
183 * Sets cui.abort, which causes the cui_run() routine to return.
186 void cui_abort(struct cui *cui)
188 pb_log_fn("exiting\n");
193 * cui_resize - Signal the main cui program loop to resize
195 * Called at SIGWINCH.
198 void cui_resize(struct cui *cui)
200 pb_debug("%s: resizing\n", __func__);
205 * cui_on_exit - A generic main menu exit callback.
208 void cui_on_exit(struct pmenu *menu)
210 struct cui *cui = cui_from_pmenu(menu);
212 cui_cancel_autoboot_on_exit(cui);
214 const char *argv[] = {
219 cui_run_cmd(cui, argv);
221 nc_scr_status_printf(cui->current, _("Returned from shell"));
225 * cui_abort_on_exit - Force an exit of the main loop on menu exit.
226 * This is mainly for lockdown situations where
227 * the exit then triggers an expected reboot.
229 void cui_abort_on_exit(struct pmenu *menu)
231 struct cui *cui = cui_from_pmenu(menu);
236 * cui_run_cmd - A generic cb to run the supplied command.
239 int cui_run_cmd(struct cui *cui, const char **cmd_argv)
241 struct process *process;
244 process = process_create(cui);
248 process->path = cmd_argv[0];
249 process->argv = cmd_argv;
250 process->raw_stdout = true;
252 nc_scr_status_printf(cui->current, _("Running %s..."), cmd_argv[0]);
259 result = process_run_sync(process);
264 redrawwin(cui->current->main_ncw);
265 nc_scr_post(cui->current);
268 pb_log_fn("failed: '%s'\n", cmd_argv[0]);
269 nc_scr_status_printf(cui->current, _("Failed: %s"),
273 process_release(process);
278 int cui_run_cmd_from_item(struct pmenu_item *item)
280 struct cui *cui = cui_from_item(item);
281 const char **cmd_argv = item->data;
283 return cui_run_cmd(cui, cmd_argv);
287 * cui_boot - A generic cb to run kexec.
290 static int cui_boot(struct pmenu_item *item)
293 struct cui *cui = cui_from_item(item);
294 struct cui_opt_data *cod = cod_from_item(item);
296 assert(cui->current == &cui->main->scr);
298 pb_debug("%s: %s\n", __func__, cod->name);
300 nc_scr_status_printf(cui->current, _("Booting %s..."), cod->name);
302 result = discover_client_boot(cui->client, NULL, cod->opt, cod->bd);
305 nc_scr_status_printf(cui->current,
306 _("Failed: boot %s"), cod->bd->image);
312 static int menu_sysinfo_execute(struct pmenu_item *item)
314 cui_show_sysinfo(cui_from_item(item));
318 static int menu_config_execute(struct pmenu_item *item)
320 cui_show_config(cui_from_item(item));
324 static int menu_lang_execute(struct pmenu_item *item)
326 cui_show_lang(cui_from_item(item));
330 static int menu_statuslog_execute(struct pmenu_item *item)
332 cui_show_statuslog(cui_from_item(item));
336 static void menu_reinit_cb(struct nc_scr *scr)
338 struct pmenu *menu = pmenu_from_scr(scr);
340 cui_send_reinit(cui_from_pmenu(menu));
343 static int menu_reinit_execute(struct pmenu_item *item)
345 struct cui *cui = cui_from_item(item);
350 /* If we don't need to authenticate, send the reinit immediately */
351 if (discover_client_authenticated(cui->client)) {
352 cui_send_reinit(cui);
359 if (cui->auth_screen)
362 cui->auth_screen = auth_screen_init(cui, cui->current->main_ncw,
363 false, menu_reinit_cb, cui_auth_exit);
365 if (cui->auth_screen)
366 cui_set_current(cui, auth_screen_scr(cui->auth_screen));
371 static int menu_add_url_execute(struct pmenu_item *item)
373 if (cui_from_item(item)->client)
374 cui_show_add_url(cui_from_item(item));
378 static int menu_plugin_execute(struct pmenu_item *item)
380 if (cui_from_item(item)->client)
381 cui_show_plugin_menu(cui_from_item(item));
385 static void cui_boot_cb(struct nc_scr *scr)
387 struct pmenu *menu = pmenu_from_scr(scr);
389 if (pmenu_find_selected(menu))
390 cui_boot(pmenu_find_selected(menu));
393 static int cui_boot_check(struct pmenu_item *item)
395 struct cui_opt_data *cod = cod_from_item(item);
396 struct cui *cui = cui_from_item(item);
398 if (discover_client_authenticated(cui->client))
399 return cui_boot(item);
401 /* Client doesn't need authentication to boot the default option */
402 if (cui->default_item == cod->opt_hash)
403 return cui_boot(item);
405 cui_show_auth(cui, item->pmenu->scr.main_ncw, false, cui_boot_cb);
410 static void cui_boot_editor_on_exit(struct cui *cui,
411 struct pmenu_item *item,
412 struct pb_boot_data *bd)
414 struct pmenu *menu = cui->main;
415 struct cui_opt_data *cod;
416 int idx, top, rows, cols;
417 static int user_idx = 0;
419 /* Was the edit cancelled? */
421 cui_set_current(cui, &cui->main->scr);
422 talloc_free(cui->boot_editor);
423 cui->boot_editor = NULL;
427 /* Is this was a new item, we'll need to update the menu */
431 cod = talloc_zero(NULL, struct cui_opt_data);
432 cod->name = talloc_asprintf(cod, _("User item %u"), ++user_idx);
434 item = pmenu_item_create(menu, cod->name);
440 item->on_edit = cui_item_edit;
441 item->on_execute = cui_boot_check;
444 talloc_steal(item, cod);
446 /* Detach the items array. */
447 set_menu_items(menu->ncm, NULL);
449 /* Insert new item at insert_pt. */
450 insert_pt = pmenu_grow(menu, 1);
451 pmenu_item_insert(menu, item, insert_pt);
453 /* Re-attach the items array. */
454 set_menu_items(menu->ncm, menu->items);
456 /* If our index is above the current top row, align
457 * us to the new top. Otherwise, align us to the new
459 menu_format(cui->main->ncm, &rows, &cols);
460 top = top_row(cui->main->ncm);
461 idx = item_index(item->nci);
466 top = idx < rows ? 0 : idx - rows + 1;
468 set_top_row(cui->main->ncm, top);
469 set_current_item(item->pmenu->ncm, item->nci);
471 nc_scr_post(&menu->scr);
476 cod->bd = talloc_steal(cod, bd);
479 cui_set_current(cui, &cui->main->scr);
480 talloc_free(cui->boot_editor);
481 cui->boot_editor = NULL;
484 void cui_item_edit(struct pmenu_item *item)
486 struct cui *cui = cui_from_item(item);
487 cui->boot_editor = boot_editor_init(cui, item, cui->sysinfo,
488 cui_boot_editor_on_exit);
489 cui_set_current(cui, boot_editor_scr(cui->boot_editor));
492 void cui_item_new(struct pmenu *menu)
494 struct cui *cui = cui_from_pmenu(menu);
495 cui->boot_editor = boot_editor_init(cui, NULL, cui->sysinfo,
496 cui_boot_editor_on_exit);
497 cui_set_current(cui, boot_editor_scr(cui->boot_editor));
501 /* Call pb-plugin to install a plugin specified by plugin_file */
502 static int cui_install_plugin(struct pmenu_item *item)
504 struct cui *cui = cui_from_item(item);
505 struct cui_opt_data *cod = cod_from_item(item);
508 rc = cui_send_plugin_install(cui, cod->pd->plugin_file);
511 pb_log("cui_send_plugin_install failed!\n");
512 nc_scr_status_printf(cui->current,
513 _("Failed to send install request"));
515 nc_scr_status_printf(cui->current, _("Installing plugin %s"),
516 cod->pd->plugin_file);
517 pb_debug("cui_send_plugin_install sent!\n");
523 static void cui_plugin_install_cb(struct nc_scr *scr)
525 struct pmenu *menu = pmenu_from_scr(scr);
527 if (pmenu_find_selected(menu))
528 cui_install_plugin(pmenu_find_selected(menu));
530 pb_debug("%s: no current item\n", __func__);
533 static int cui_plugin_install_check(struct pmenu_item *item)
535 struct cui *cui = cui_from_item(item);
537 if (discover_client_authenticated(cui->client))
538 return cui_install_plugin(item);
540 cui_show_auth(cui, item->pmenu->scr.main_ncw, false,
541 cui_plugin_install_cb);
546 static void cui_sysinfo_exit(struct cui *cui)
548 cui_set_current(cui, &cui->main->scr);
549 talloc_free(cui->sysinfo_screen);
550 cui->sysinfo_screen = NULL;
553 void cui_show_sysinfo(struct cui *cui)
555 cui->sysinfo_screen = sysinfo_screen_init(cui, cui->sysinfo,
557 cui_set_current(cui, sysinfo_screen_scr(cui->sysinfo_screen));
560 static void cui_config_exit(struct cui *cui)
562 cui_set_current(cui, &cui->main->scr);
563 talloc_free(cui->config_screen);
564 cui->config_screen = NULL;
567 void cui_show_config(struct cui *cui)
569 cui->config_screen = config_screen_init(cui, cui->config,
570 cui->sysinfo, cui_config_exit);
571 cui_set_current(cui, config_screen_scr(cui->config_screen));
574 static void cui_lang_exit(struct cui *cui)
576 cui_set_current(cui, &cui->main->scr);
577 talloc_free(cui->lang_screen);
578 cui->lang_screen = NULL;
581 void cui_show_lang(struct cui *cui)
583 cui->lang_screen = lang_screen_init(cui, cui->config, cui_lang_exit);
584 cui_set_current(cui, lang_screen_scr(cui->lang_screen));
587 static void cui_statuslog_exit(struct cui *cui)
589 cui_set_current(cui, &cui->main->scr);
590 talloc_free(cui->statuslog_screen);
591 cui->statuslog_screen = NULL;
594 void cui_show_statuslog(struct cui *cui)
596 cui->statuslog_screen = statuslog_screen_init(cui, cui_statuslog_exit);
597 cui_set_current(cui, statuslog_screen_scr(cui->statuslog_screen));
600 static void cui_add_url_exit(struct cui *cui)
602 cui_set_current(cui, &cui->main->scr);
603 talloc_free(cui->add_url_screen);
604 cui->add_url_screen = NULL;
607 static void cui_plugin_exit(struct cui *cui)
609 cui_set_current(cui, &cui->plugin_menu->scr);
610 talloc_free(cui->plugin_screen);
611 cui->plugin_screen = NULL;
614 static void cui_plugin_menu_exit(struct pmenu *menu)
616 struct cui *cui = cui_from_pmenu(menu);
617 cui_set_current(cui, &cui->main->scr);
620 void cui_show_add_url(struct cui *cui)
622 cui->add_url_screen = add_url_screen_init(cui, cui_add_url_exit);
623 cui_set_current(cui, add_url_screen_scr(cui->add_url_screen));
626 void cui_show_plugin_menu(struct cui *cui)
628 cui_set_current(cui, &cui->plugin_menu->scr);
631 void cui_show_plugin(struct pmenu_item *item)
633 struct cui *cui = cui_from_item(item);
634 cui->plugin_screen = plugin_screen_init(cui, item, cui_plugin_exit);
635 cui_set_current(cui, plugin_screen_scr(cui->plugin_screen));
638 static void cui_help_exit(struct cui *cui)
640 cui_set_current(cui, help_screen_return_scr(cui->help_screen));
641 talloc_free(cui->help_screen);
642 cui->help_screen = NULL;
645 void cui_show_help(struct cui *cui, const char *title,
646 const struct help_text *text)
651 if (cui->help_screen)
654 cui->help_screen = help_screen_init(cui, cui->current,
655 title, text, cui_help_exit);
657 if (cui->help_screen)
658 cui_set_current(cui, help_screen_scr(cui->help_screen));
661 static void cui_subset_exit(struct cui *cui)
663 cui_set_current(cui, subset_screen_return_scr(cui->subset_screen));
664 talloc_free(cui->subset_screen);
665 cui->subset_screen = NULL;
668 void cui_show_subset(struct cui *cui, const char *title,
674 if (cui->subset_screen)
677 cui->subset_screen = subset_screen_init(cui, cui->current,
678 title, arg, cui_subset_exit);
680 if (cui->subset_screen)
681 cui_set_current(cui, subset_screen_scr(cui->subset_screen));
684 static void cui_auth_exit(struct cui *cui)
686 struct nc_scr *return_scr = auth_screen_return_scr(cui->auth_screen);
689 * Destroy the auth screen first so that the subwindow is cleaned up
690 * before the return_scr posts. If we don't do this operations on the
691 * main_ncw can cause a blank screen at first (eg. status update).
693 nc_scr_unpost(cui->current);
694 talloc_free(cui->auth_screen);
695 cui->auth_screen = NULL;
697 cui->current = return_scr;
698 nc_scr_post(cui->current);
701 void cui_show_auth(struct cui *cui, WINDOW *parent, bool set_password,
702 void (*callback)(struct nc_scr *))
707 if (cui->auth_screen)
710 cui->auth_screen = auth_screen_init(cui, parent, set_password,
711 callback, cui_auth_exit);
713 if (cui->auth_screen)
714 cui_set_current(cui, auth_screen_scr(cui->auth_screen));
718 * cui_set_current - Set the currently active screen and redraw it.
721 struct nc_scr *cui_set_current(struct cui *cui, struct nc_scr *scr)
725 DBGS("%p -> %p\n", cui->current, scr);
727 assert(cui->current != scr);
734 nc_scr_post(cui->current);
739 static bool set_temp_autoboot_opt(struct cui *cui, struct autoboot_option *opt)
741 cui->autoboot_opt = opt;
743 discover_client_send_temp_autoboot(cui->client, opt);
748 static bool key_cancels_boot(int key)
755 for (i = 0; i < ARRAY_SIZE(autoboot_override_keys); i++)
756 if (key == autoboot_override_keys[i].key)
762 static bool process_global_keys(struct cui *cui, int key)
768 if (cui->current && cui->current->main_ncw)
773 /* check for autoboot override keys */
774 for (i = 0; i < ARRAY_SIZE(autoboot_override_keys); i++) {
775 if (key != autoboot_override_keys[i].key)
778 pb_log("Sending temporary autoboot override\n");
779 set_temp_autoboot_opt(cui, &autoboot_override_keys[i].opt);
787 * cui_process_key - Process input on stdin.
790 static int cui_process_key(void *arg)
792 struct cui *cui = cui_from_arg(arg);
797 assert(cui->current);
802 pb_debug("%s: got key %d\n", __func__, c);
809 * If this is a console code sequence try to parse it
810 * and don't treat this as a key press.
813 if (grab != ERR && grab != 27) {
815 pb_debug("%s: Caught unhandled command sequence\n",
817 sequence = handle_control_sequence(cui, c);
818 pb_debug("Caught sequence ");
820 pb_debug("(%zu): ", strlen(sequence));
821 for (i = 0; i < strlen(sequence); i++)
822 pb_debug("0%o ", sequence[i]);
825 pb_debug("(0): (none)\n");
830 if (cui->preboot_mode) {
831 /* Turn curses options back on if the user interacts */
832 cui->preboot_mode = false;
833 cui_set_curses_options(true);
836 if (!cui->has_input && key_cancels_boot(c)) {
837 cui->has_input = true;
839 pb_log("UI input received (key = %d), aborting "
840 "default boot\n", c);
841 discover_client_cancel_default(cui->client);
843 pb_log("UI input received (key = %d), aborting "
844 "once server connects\n", c);
848 if (process_global_keys(cui, c))
851 cui->current->process_key(cui->current, c);
858 * cui_process_js - Process joystick events.
861 static int cui_process_js(void *arg)
863 struct cui *cui = cui_from_arg(arg);
866 c = pjs_process_event(cui->pjs);
870 cui_process_key(arg);
877 * cui_handle_resize - Handle the term resize.
880 static void cui_handle_resize(struct cui *cui)
884 if (ioctl(1, TIOCGWINSZ, &ws) == -1) {
885 pb_log_fn("ioctl failed: %s\n", strerror(errno));
889 pb_debug("%s: {%u,%u}\n", __func__, ws.ws_row, ws.ws_col);
891 wclear(cui->current->main_ncw);
892 resize_term(ws.ws_row, ws.ws_col);
893 cui->current->resize(cui->current);
895 /* For some reason this makes ncurses redraw the screen */
897 redrawwin(cui->current->main_ncw);
898 wrefresh(cui->current->main_ncw);
902 * cui_device_add - Client device_add callback.
904 * Creates menu_items for all the device boot_options and inserts those
905 * menu_items into the main menu. Redraws the main menu if it is active.
906 * If a 'plugin' type boot_option appears the plugin menu is updated instead.
909 static int cui_boot_option_add(struct device *dev, struct boot_option *opt,
912 struct pmenu_item *i, *dev_hdr = NULL;
913 struct cui *cui = cui_from_arg(arg);
914 struct cui_opt_data *cod;
915 const char *tab = " ";
916 unsigned int insert_pt;
917 int result, rows, cols;
923 plugin_option = opt->type == DISCOVER_PLUGIN_OPTION;
924 menu = plugin_option ? cui->plugin_menu : cui->main;
926 pb_debug("%s: %p %s\n", __func__, opt, opt->id);
928 selected = current_item(menu->ncm);
929 menu_format(menu->ncm, &rows, &cols);
931 if (cui->current == &cui->main->scr)
932 nc_scr_unpost(cui->current);
933 if (plugin_option && cui->current == &cui->plugin_menu->scr)
934 nc_scr_unpost(cui->current);
936 /* Check if the boot device is new */
937 dev_hdr = pmenu_find_device(menu, dev, opt);
939 /* All actual boot entries are 'tabbed' across */
940 name = talloc_asprintf(menu, "%s%s%s",
941 tab, opt->is_autoboot_default ? "(*) " : "",
942 opt->name ? : "Unknown Name");
944 /* Save the item in opt->ui_info for cui_device_remove() */
945 opt->ui_info = i = pmenu_item_create(menu, name);
952 i->on_execute = cui_plugin_install_check;
954 i->on_edit = cui_item_edit;
955 i->on_execute = cui_boot_check;
958 i->data = cod = talloc(i, struct cui_opt_data);
961 cod->opt_hash = pb_opt_hash(dev, opt);
962 cod->name = opt->name;
965 cod->pd = talloc(i, struct pb_plugin_data);
966 cod->pd->plugin_file = talloc_strdup(cod,
967 opt->boot_image_file);
969 cod->bd = talloc(i, struct pb_boot_data);
970 cod->bd->image = talloc_strdup(cod->bd, opt->boot_image_file);
971 cod->bd->initrd = talloc_strdup(cod->bd, opt->initrd_file);
972 cod->bd->dtb = talloc_strdup(cod->bd, opt->dtb_file);
973 cod->bd->args = talloc_strdup(cod->bd, opt->boot_args);
974 cod->bd->args_sig_file = talloc_strdup(cod->bd, opt->args_sig_file);
977 /* This disconnects items array from menu. */
978 result = set_menu_items(menu->ncm, NULL);
981 pb_log_fn("set_menu_items failed: %d\n", result);
983 /* Insert new items at insert_pt. */
985 insert_pt = pmenu_grow(menu, 2);
986 pmenu_item_insert(menu, dev_hdr, insert_pt);
987 pb_log("%s: adding new device hierarchy %s\n",
988 __func__, opt->device_id);
989 pmenu_item_insert(menu, i, insert_pt+1);
991 insert_pt = pmenu_grow(menu, 1);
992 pmenu_item_add(menu, i, insert_pt);
996 pb_log_fn("adding plugin '%s'\n", cod->name);
997 pb_log(" file '%s'\n", cod->pd->plugin_file);
999 pb_log_fn("adding opt '%s'\n", cod->name);
1000 pb_log(" image '%s'\n", cod->bd->image);
1001 pb_log(" initrd '%s'\n", cod->bd->initrd);
1002 pb_log(" args '%s'\n", cod->bd->args);
1003 pb_log(" argsig '%s'\n", cod->bd->args_sig_file);
1006 /* Update the plugin menu label if needed */
1007 if (plugin_option) {
1008 struct pmenu_item *item;
1010 result = set_menu_items(cui->main->ncm, NULL);
1011 for (j = 0 ; j < cui->main->item_count; j++) {
1012 item = item_userptr(cui->main->items[j]);
1013 if (item->on_execute != menu_plugin_execute)
1016 char *label = talloc_asprintf(item, _("Plugins (%u)"),
1018 pmenu_item_update(item, label);
1022 result = set_menu_items(cui->main->ncm, cui->main->items);
1024 pb_log_fn("set_menu_items failed: %d\n", result);
1027 /* Update the default option */
1028 if (opt->is_autoboot_default) {
1029 struct cui_opt_data *tmp;
1030 struct pmenu_item *item;
1032 if (cui->default_item) {
1033 for (j = 0; j < cui->main->item_count; j++) {
1034 item = item_userptr(cui->main->items[j]);
1035 tmp = cod_from_item(item);
1036 if (tmp->opt_hash == cui->default_item) {
1037 char *label = talloc_asprintf(menu, "%s%s",
1038 tab, tmp->name ? : "Unknown Name");
1039 pmenu_item_update(item, label);
1045 cui->default_item = cod->opt_hash;
1048 /* Re-attach the items array. */
1049 result = set_menu_items(menu->ncm, menu->items);
1052 pb_log_fn("set_menu_items failed: %d\n", result);
1055 pb_log("%s\n", __func__);
1056 pmenu_dump_items(menu->items,
1057 item_count(menu->ncm) + 1);
1060 if (!item_visible(selected)) {
1063 top = top_row(menu->ncm);
1064 idx = item_index(selected);
1066 /* If our index is above the current top row, align
1067 * us to the new top. Otherwise, align us to the new
1069 top = top < idx ? idx - rows + 1 : idx;
1071 set_top_row(menu->ncm, top);
1072 set_current_item(menu->ncm, selected);
1075 if (cui->current == &menu->scr)
1076 nc_scr_post(cui->current);
1077 if (plugin_option && cui->current == &cui->main->scr)
1078 nc_scr_post(cui->current);
1084 * cui_device_remove - Client device remove callback.
1086 * Removes all the menu_items for the device from the main menu and redraws the
1087 * main menu if it is active.
1089 static void cui_device_remove(struct device *dev, void *arg)
1091 struct cui *cui = cui_from_arg(arg);
1092 struct cui_opt_data *cod;
1093 struct boot_option *opt;
1095 int rows, cols, top, last;
1098 pb_log_fn("%p %s\n", dev, dev->id);
1100 if (cui->current == &cui->main->scr)
1101 nc_scr_unpost(cui->current);
1102 if (cui->current == &cui->plugin_menu->scr)
1103 nc_scr_unpost(cui->current);
1105 /* This disconnects items array from menu. */
1107 result = set_menu_items(cui->main->ncm, NULL);
1108 result |= set_menu_items(cui->plugin_menu->ncm, NULL);
1111 pb_log_fn("set_menu_items failed: %d\n", result);
1113 list_for_each_entry(&dev->boot_options, opt, list) {
1114 struct pmenu_item *item = pmenu_item_from_arg(opt->ui_info);
1115 cod = cod_from_item(item);
1116 if (cui->default_item == cod->opt_hash)
1117 cui->default_item = 0;
1119 assert(pb_protocol_device_cmp(dev, cod_from_item(item)->dev));
1120 if (opt->type == DISCOVER_PLUGIN_OPTION)
1121 pmenu_remove(cui->plugin_menu, item);
1123 pmenu_remove(cui->main, item);
1126 /* Manually remove remaining device hierarchy item */
1127 for (i=0; i < cui->main->item_count; i++) {
1128 struct pmenu_item *item = item_userptr(cui->main->items[i]);
1129 if (!item || !item->data )
1132 struct cui_opt_data *data = item->data;
1133 if (data && data->dev && data->dev == dev)
1134 pmenu_remove(cui->main,item);
1136 /* Look in plugins menu too */
1137 for (i=0; i < cui->plugin_menu->item_count; i++) {
1138 struct pmenu_item *item = item_userptr(cui->plugin_menu->items[i]);
1139 if (!item || !item->data )
1142 struct cui_opt_data *data = item->data;
1143 if (data && data->dev && data->dev == dev)
1144 pmenu_remove(cui->plugin_menu,item);
1147 /* Re-attach the items array. */
1149 result = set_menu_items(cui->main->ncm, cui->main->items);
1150 result |= set_menu_items(cui->plugin_menu->ncm, cui->plugin_menu->items);
1152 /* Move cursor to 'Exit' menu entry for the main menu.. */
1153 menu_format(cui->main->ncm, &rows, &cols);
1154 last = cui->main->item_count - 1;
1155 set_current_item(cui->main->ncm, cui->main->items[last]);
1156 if (!item_visible(cui->main->items[last])) {
1157 top = last < rows ? 0 : last - rows + 1;
1158 set_top_row(cui->main->ncm, top);
1161 /* ..and the plugin menu */
1162 menu_format(cui->plugin_menu->ncm, &rows, &cols);
1163 last = cui->plugin_menu->item_count - 1;
1164 set_current_item(cui->plugin_menu->ncm, cui->plugin_menu->items[last]);
1165 if (!item_visible(cui->plugin_menu->items[last])) {
1166 top = last < rows ? 0 : last - rows + 1;
1167 set_top_row(cui->plugin_menu->ncm, top);
1171 pb_log_fn("set_menu_items failed: %d\n", result);
1174 pb_log("%s\n", __func__);
1175 pmenu_dump_items(cui->main->items,
1176 item_count(cui->main->ncm) + 1);
1179 if (cui->current == &cui->main->scr)
1180 nc_scr_post(cui->current);
1181 if (cui->current == &cui->plugin_menu->scr)
1182 nc_scr_post(cui->current);
1185 static void cui_update_status(struct status *status, void *arg)
1187 struct cui *cui = cui_from_arg(arg);
1189 statuslog_append_steal(cui, cui->statuslog, status);
1191 /* Ignore status messages from the backlog */
1192 if (status->backlog)
1195 nc_scr_status_printf(cui->current, "%s", status->message);
1197 if (cui->preboot_mode &&
1198 (!status->boot_active || status->type == STATUS_ERROR)) {
1199 cui_set_curses_options(true);
1200 cui->preboot_mode = false;
1202 cui->preboot_mode = status->boot_active &&
1203 status->type == STATUS_INFO;
1204 if (cui->preboot_mode)
1205 cui_set_curses_options(false);
1210 * Handle a new installed plugin option and update its associated
1211 * (uninstalled) menu item if it exists.
1213 static int cui_plugin_option_add(struct plugin_option *opt, void *arg)
1215 struct cui_opt_data *cod;
1216 struct cui *cui = cui_from_arg(arg);
1217 struct pmenu_item *item = NULL;
1218 struct boot_option *dummy_opt;
1224 /* Find uninstalled plugin by matching on plugin_file */
1225 for (i = 0; i < cui->plugin_menu->item_count; i++) {
1226 item = item_userptr(cui->plugin_menu->items[i]);
1229 cod = cod_from_item(item);
1230 if (!cod || !cod->pd)
1232 if (strncmp(cod->pd->plugin_file, opt->plugin_file,
1233 strlen(cod->pd->plugin_file)) == 0)
1238 * If pb-plugin was run manually there may not be an associated
1239 * plugin-type boot_option. Pass a fake device and option to
1240 * cui_boot_option_add() so we have an item to work with.
1242 if (!item || i >= cui->plugin_menu->item_count) {
1243 pb_log("New plugin option %s doesn't have a source item\n",
1245 dev = talloc_zero(cui, struct device);
1246 dev->id = dev->name = talloc_asprintf(dev, "(unknown)");
1247 dev->type = DEVICE_TYPE_UNKNOWN;
1248 dummy_opt = talloc_zero(cui, struct boot_option);
1249 dummy_opt->device_id = talloc_strdup(dummy_opt, dev->id);
1250 dummy_opt->id = dummy_opt->name = talloc_asprintf(dummy_opt, "dummy");
1251 dummy_opt->boot_image_file = talloc_strdup(dummy_opt, opt->plugin_file);
1252 dummy_opt->type = DISCOVER_PLUGIN_OPTION;
1253 cui_boot_option_add(dev, dummy_opt, cui);
1258 * If this option was faked above move the context under
1259 * the item so it is cleaned up later in cui_plugins_remove().
1261 if (strcmp(cod->opt->id, "dummy") == 0 &&
1262 cod->dev->type == DEVICE_TYPE_UNKNOWN) {
1263 talloc_steal(item, cod->dev);
1264 talloc_steal(item, cod->opt);
1267 talloc_free(cod->name);
1268 /* Name is still tabbed across */
1269 cod->name = talloc_asprintf(cod, _(" %s [installed]"), opt->name);
1272 item->on_execute = NULL;
1273 item->on_edit = cui_show_plugin;
1275 if (cui->current == &cui->plugin_menu->scr)
1276 nc_scr_unpost(cui->current);
1278 /* This disconnects items array from menu. */
1279 result = set_menu_items(cui->plugin_menu->ncm, NULL);
1282 pmenu_item_update(item, cod->name);
1284 /* Re-attach the items array. */
1285 result = set_menu_items(cui->plugin_menu->ncm, cui->plugin_menu->items);
1287 if (cui->current == &cui->plugin_menu->scr)
1288 nc_scr_post(cui->current);
1294 * Most plugin menu items will be removed via cui_device_remove(). However if
1295 * pb-plugin has been run manually it is possible that there a plugin items
1296 * not associated with a device - remove them here.
1298 static int cui_plugins_remove(void *arg)
1300 struct cui *cui = cui_from_arg(arg);
1301 struct pmenu_item *item = NULL;
1302 struct cui_opt_data *cod;
1305 pb_debug("%s\n", __func__);
1307 if (cui->current == &cui->plugin_menu->scr)
1308 nc_scr_unpost(cui->current);
1309 if (cui->current == &cui->main->scr)
1310 nc_scr_unpost(cui->current);
1312 /* This disconnects items array from menu. */
1313 set_menu_items(cui->plugin_menu->ncm, NULL);
1315 while (i < cui->plugin_menu->item_count) {
1316 item = item_userptr(cui->plugin_menu->items[i]);
1317 if (!item || !item->data) {
1321 cod = cod_from_item(item);
1322 if (!cod->opt && !cod->dev) {
1327 pmenu_remove(cui->plugin_menu, item);
1328 /* plugin_menu entries will shift, jump to bottom to make sure
1329 * we remove all plugin option items */
1333 /* Re-attach the items array. */
1334 set_menu_items(cui->plugin_menu->ncm, cui->plugin_menu->items);
1336 set_menu_items(cui->main->ncm, NULL);
1337 for (i = 0; i < cui->main->item_count; i++) {
1338 item = item_userptr(cui->main->items[i]);
1339 if (item->on_execute != menu_plugin_execute)
1342 pmenu_item_update(item, _("Plugins (0)"));
1346 set_menu_items(cui->main->ncm, cui->main->items);
1348 if (cui->current == &cui->main->scr)
1349 nc_scr_post(cui->current);
1351 /* If we're currently in a plugin screen jump back to the plugin menu */
1352 if (cui->plugin_screen &&
1353 cui->current == plugin_screen_scr(cui->plugin_screen))
1354 cui_plugin_exit(cui);
1359 static void cui_update_mm_title(struct cui *cui)
1361 struct nc_frame *frame = &cui->main->scr.frame;
1363 talloc_free(frame->rtitle);
1365 frame->rtitle = talloc_strdup(cui->main, cui->sysinfo->type);
1366 if (cui->sysinfo->identifier)
1367 frame->rtitle = talloc_asprintf_append(frame->rtitle,
1368 " %s", cui->sysinfo->identifier);
1370 if (cui->current == &cui->main->scr)
1371 nc_scr_post(cui->current);
1373 frame = &cui->plugin_menu->scr.frame;
1375 talloc_free(frame->rtitle);
1377 frame->rtitle = talloc_strdup(cui->main, cui->sysinfo->type);
1378 if (cui->sysinfo->identifier)
1379 frame->rtitle = talloc_asprintf_append(frame->rtitle,
1380 " %s", cui->sysinfo->identifier);
1382 if (cui->current == &cui->main->scr)
1383 nc_scr_post(cui->current);
1386 static void cui_update_sysinfo(struct system_info *sysinfo, void *arg)
1388 struct cui *cui = cui_from_arg(arg);
1389 cui->sysinfo = talloc_steal(cui, sysinfo);
1391 /* if we're currently displaying the system info screen, inform it
1392 * of the updated information. */
1393 if (cui->sysinfo_screen)
1394 sysinfo_screen_update(cui->sysinfo_screen, sysinfo);
1396 if (cui->subset_screen)
1397 subset_screen_update(cui->subset_screen);
1399 /* ... and do the same with the config screen... */
1400 if (cui->config_screen)
1401 config_screen_update(cui->config_screen, cui->config, sysinfo);
1403 /* ... and the boot editor. */
1404 if (cui->boot_editor)
1405 boot_editor_update(cui->boot_editor, sysinfo);
1407 cui_update_mm_title(cui);
1410 void cui_update_language(struct cui *cui, const char *lang)
1415 cur_lang = setlocale(LC_ALL, NULL);
1416 if (cur_lang && !strcmp(cur_lang, lang))
1419 setlocale(LC_ALL, lang);
1421 /* we'll need to update the menu: drop all items and repopulate */
1422 repost_menu = cui->current == &cui->main->scr ||
1423 cui->current == &cui->plugin_menu->scr;
1425 nc_scr_unpost(cui->current);
1427 talloc_free(cui->main);
1428 cui->main = main_menu_init(cui);
1429 cui->plugin_menu = plugin_menu_init(cui);
1432 cui->current = &cui->main->scr;
1433 nc_scr_post(cui->current);
1436 discover_client_enumerate(cui->client);
1439 static void cui_update_config(struct config *config, void *arg)
1441 struct cui *cui = cui_from_arg(arg);
1442 cui->config = talloc_steal(cui, config);
1445 cui_update_language(cui, config->lang);
1447 if (cui->subset_screen)
1448 subset_screen_update(cui->subset_screen);
1450 if (cui->config_screen)
1451 config_screen_update(cui->config_screen, config, cui->sysinfo);
1453 if (config->safe_mode)
1454 nc_scr_status_printf(cui->current,
1455 _("SAFE MODE: select '%s' to continue"),
1456 _("Rescan devices"));
1459 int cui_send_config(struct cui *cui, struct config *config)
1461 return discover_client_send_config(cui->client, config);
1464 int cui_send_url(struct cui *cui, char * url)
1466 return discover_client_send_url(cui->client, url);
1469 int cui_send_plugin_install(struct cui *cui, char *file)
1471 return discover_client_send_plugin_install(cui->client, file);
1474 int cui_send_authenticate(struct cui *cui, char *password)
1476 return discover_client_send_authenticate(cui->client, password);
1479 int cui_send_set_password(struct cui *cui, char *password, char *new_password)
1481 return discover_client_send_set_password(cui->client, password,
1485 void cui_send_reinit(struct cui *cui)
1487 discover_client_send_reinit(cui->client);
1491 * pb_mm_init - Setup the main menu instance.
1493 static struct pmenu *main_menu_init(struct cui *cui)
1495 struct pmenu_item *i;
1498 bool lockdown = lockdown_active();
1500 m = pmenu_init(cui, 9, lockdown ? cui_abort_on_exit : cui_on_exit);
1502 pb_log_fn("failed\n");
1507 m->hot_keys = talloc_array(m, hot_key_fn, m->n_hot_keys);
1509 pb_log_fn("failed to allocate hot_keys\n");
1513 m->hot_keys[0] = pmenu_main_hot_keys;
1514 m->on_new = cui_item_new;
1516 m->scr.frame.ltitle = talloc_asprintf(m,
1517 "Petitboot (" PACKAGE_VERSION ")");
1518 m->scr.frame.rtitle = NULL;
1519 m->scr.frame.help = talloc_strdup(m,
1520 _("Enter=accept, e=edit, n=new, x=exit, l=language, g=log, h=help"));
1521 m->scr.frame.status = talloc_strdup(m, _("Welcome to Petitboot"));
1523 /* add a separator */
1524 i = pmenu_item_create(m, " ");
1525 item_opts_off(i->nci, O_SELECTABLE);
1526 pmenu_item_insert(m, i, 0);
1528 /* add system items */
1529 i = pmenu_item_create(m, _("System information"));
1530 i->on_execute = menu_sysinfo_execute;
1531 pmenu_item_insert(m, i, 1);
1533 i = pmenu_item_create(m, _("System configuration"));
1534 i->on_execute = menu_config_execute;
1535 pmenu_item_insert(m, i, 2);
1537 i = pmenu_item_create(m, _("System status log"));
1538 i->on_execute = menu_statuslog_execute;
1539 pmenu_item_insert(m, i, 3);
1541 /* this label isn't translated, so we don't want a gettext() here */
1542 i = pmenu_item_create(m, "Language");
1543 i->on_execute = menu_lang_execute;
1544 pmenu_item_insert(m, i, 4);
1546 i = pmenu_item_create(m, _("Rescan devices"));
1547 i->on_execute = menu_reinit_execute;
1548 pmenu_item_insert(m, i, 5);
1550 i = pmenu_item_create(m, _("Retrieve config from URL"));
1551 i->on_execute = menu_add_url_execute;
1552 pmenu_item_insert(m, i, 6);
1554 i = pmenu_item_create(m, _("Plugins (0)"));
1555 i->on_execute = menu_plugin_execute;
1556 pmenu_item_insert(m, i, 7);
1559 i = pmenu_item_create(m, _("Reboot"));
1561 i = pmenu_item_create(m, _("Exit to shell"));
1562 i->on_execute = pmenu_exit_cb;
1563 pmenu_item_insert(m, i, 8);
1565 result = pmenu_setup(m);
1568 pb_log("%s:%d: pmenu_setup failed: %s\n", __func__, __LINE__,
1573 m->help_title = _("main menu");
1574 m->help_text = &main_menu_help_text;
1576 menu_opts_off(m->ncm, O_SHOWDESC);
1577 set_menu_mark(m->ncm, " *");
1578 set_current_item(m->ncm, i->nci);
1588 * plugin_menu_init: Set up the plugin menu instance
1590 static struct pmenu *plugin_menu_init(struct cui *cui)
1592 struct pmenu_item *i;
1596 m = pmenu_init(cui, 2, cui_plugin_menu_exit);
1597 m->scr.frame.ltitle = talloc_asprintf(m, _("Petitboot Plugins"));
1598 m->scr.frame.rtitle = talloc_asprintf(m, "%s", "");
1599 m->scr.frame.help = talloc_strdup(m,
1600 _("Enter=install, e=details, x=exit, h=help"));
1601 m->scr.frame.status = talloc_asprintf(m,
1602 _("Available Petitboot Plugins"));
1604 /* add a separator */
1605 i = pmenu_item_create(m, " ");
1606 item_opts_off(i->nci, O_SELECTABLE);
1607 pmenu_item_insert(m, i, 0);
1609 i = pmenu_item_create(m, _("Return to Main Menu"));
1610 i->on_execute = pmenu_exit_cb;
1611 pmenu_item_insert(m, i, 1);
1613 result = pmenu_setup(m);
1616 pb_log("%s:%d: pmenu_setup failed: %s\n", __func__, __LINE__,
1621 m->help_title = _("plugin menu");
1622 m->help_text = &plugin_menu_help_text;
1631 static struct discover_client_ops cui_client_ops = {
1633 .boot_option_add = cui_boot_option_add,
1634 .device_remove = cui_device_remove,
1635 .plugin_option_add = cui_plugin_option_add,
1636 .plugins_remove = cui_plugins_remove,
1637 .update_status = cui_update_status,
1638 .update_sysinfo = cui_update_sysinfo,
1639 .update_config = cui_update_config,
1642 /* cui_server_wait - Connect to the discover server.
1643 * @arg: Pointer to the cui instance.
1645 * A timeout callback that attempts to connect to the discover server; on
1646 * failure it registers itself with a one second timeout to try again.
1647 * On success the cui->client struct will be set.
1649 * Since this updates the status line when called it must not be called
1650 * before the UI is ready.
1652 static int cui_server_wait(void *arg)
1654 struct cui *cui = cui_from_arg(arg);
1657 pb_debug("We already have a server!\n");
1661 /* We haven't yet connected to the server */
1662 pb_log("Trying to connect...\n");
1663 cui->client = discover_client_init(cui->waitset,
1664 &cui_client_ops, cui);
1667 waiter_register_timeout(cui->waitset, 1000, cui_server_wait,
1669 nc_scr_status_printf(cui->current,
1670 "Info: Waiting for device discovery");
1672 nc_scr_status_free(cui->current);
1673 talloc_steal(cui, cui->client);
1675 if (cui->has_input) {
1676 pb_log("Aborting default boot on pb-discover connect\n");
1677 discover_client_cancel_default(cui->client);
1680 if (cui->autoboot_opt) {
1681 pb_log("Sending autoboot override on pb-discover connect\n");
1682 discover_client_send_temp_autoboot(cui->client,
1691 * cui_init - Setup the cui instance.
1692 * @platform_info: A value for the struct cui platform_info member.
1694 * Returns a pointer to a struct cui on success, or NULL on error.
1696 * Allocates the cui instance, sets up the client and stdin waiters, and
1697 * sets up the ncurses menu screen.
1700 struct cui *cui_init(void* platform_info,
1701 int (*js_map)(const struct js_event *e), int start_daemon, int timeout)
1706 cui = talloc_zero(NULL, struct cui);
1708 pb_log_fn("alloc cui failed.\n");
1709 fprintf(stderr, _("%s: alloc cui failed.\n"), __func__);
1713 cui->c_sig = pb_cui_sig;
1714 cui->platform_info = platform_info;
1715 cui->waitset = waitset_create(cui);
1716 cui->statuslog = statuslog_init(cui);
1718 process_init(cui, cui->waitset, false);
1720 /* Loop here for scripts that just started the server. */
1723 for (i = start_daemon ? 2 : 15; i && timeout; i--) {
1724 cui->client = discover_client_init(cui->waitset,
1725 &cui_client_ops, cui);
1726 if (cui->client || !i)
1728 pb_log_fn("waiting for server %d\n", i);
1732 if (!cui->client && start_daemon) {
1737 result = pb_start_daemon(cui);
1742 pb_log_fn("discover_client_init failed.\n");
1743 fprintf(stderr, _("%s: error: discover_client_init failed.\n"),
1745 fprintf(stderr, _("could not start pb-discover, the petitboot "
1747 goto fail_client_init;
1750 if (!cui->client && !timeout) {
1751 /* Have the first timeout fire immediately so we can check
1752 * for the server as soon as the UI is ready */
1753 waiter_register_timeout(cui->waitset, 0,
1754 cui_server_wait, cui);
1755 } else if (!cui->client) {
1756 pb_log_fn("discover_client_init failed.\n");
1757 fprintf(stderr, _("%s: error: discover_client_init failed.\n"),
1759 fprintf(stderr, _("check that pb-discover, "
1760 "the petitboot daemon is running.\n"));
1761 goto fail_client_init;
1765 talloc_steal(cui, cui->client);
1768 cui->main = main_menu_init(cui);
1770 goto fail_client_init;
1772 cui->plugin_menu = plugin_menu_init(cui);
1773 if (!cui->plugin_menu)
1774 goto fail_client_init;
1776 waiter_register_io(cui->waitset, STDIN_FILENO, WAIT_IN,
1777 cui_process_key, cui);
1781 cui->pjs = pjs_init(cui, js_map);
1784 waiter_register_io(cui->waitset, pjs_get_fd(cui->pjs),
1785 WAIT_IN, cui_process_js, cui);
1797 * cui_cancel_autoboot_on_exit - On exit spin until the server is available.
1799 * If the program exits before connecting to the server autoboot won't be
1800 * cancelled even though there has been keyboard activity. A child is forked
1801 * which will spin until the server is connected and told to cancel autoboot.
1803 static void cui_cancel_autoboot_on_exit(struct cui *cui)
1808 /* Fork a child to tell the server to cancel autoboot */
1811 cui_detached = true;
1813 /* Loop until connection established */
1814 while (!cui->client) {
1815 cui->client = discover_client_init(cui->waitset,
1816 &cui_client_ops, cui);
1821 talloc_steal(cui, cui->client);
1822 discover_client_cancel_default(cui->client);
1826 pb_log("Failed to fork child on exit: %m\n");
1828 discover_client_cancel_default(cui->client);
1832 * cui_run - The main cui program loop.
1833 * @cui: The cui instance.
1834 * @main: The menu to use as the main menu.
1836 * Runs the cui engine. Does not return until indicated to do so by some
1837 * user action, or an error occurs. Frees the cui object on return.
1838 * Returns 0 on success (return to shell), -1 on error (should restart).
1841 int cui_run(struct cui *cui)
1846 cui->current = &cui->main->scr;
1847 cui->default_item = 0;
1849 nc_scr_post(cui->current);
1852 int result = waiter_poll(cui->waitset);
1855 pb_log_fn("poll: %s\n", strerror(errno));
1862 while (cui->resize) {
1864 cui_handle_resize(cui);
1868 cui_cancel_autoboot_on_exit(cui);
1872 return cui->abort ? 0 : -1;