git.ozlabs.org Git - petitboot/blob - ui/ncurses/nc-config.c

   1 /*
   2  *  Copyright (C) 2013 IBM Corporation
   3  *
   4  *  This program is free software; you can redistribute it and/or modify
   5  *  it under the terms of the GNU General Public License as published by
   6  *  the Free Software Foundation; version 2 of the License.
   7  *
   8  *  This program is distributed in the hope that it will be useful,
   9  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *  GNU General Public License for more details.
  12  *
  13  *  You should have received a copy of the GNU General Public License
  14  *  along with this program; if not, write to the Free Software
  15  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  16  */
  17
  18 #if defined(HAVE_CONFIG_H)
  19 #include "config.h"
  20 #endif
  21
  22 #include <errno.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25
  26 #include <pb-config/pb-config.h>
  27 #include <talloc/talloc.h>
  28 #include <types/types.h>
  29 #include <log/log.h>
  30 #include <i18n/i18n.h>
  31
  32 #include "nc-cui.h"
  33 #include "nc-config.h"
  34 #include "nc-widgets.h"
  35
  36 #define N_FIELDS        48
  37
  38 extern struct help_text config_help_text;
  39
  40 enum net_conf_type {
  41         NET_CONF_TYPE_DHCP_ALL,
  42         NET_CONF_TYPE_DHCP_ONE,
  43         NET_CONF_TYPE_STATIC,
  44 };
  45
  46 struct config_screen {
  47         struct nc_scr           scr;
  48         struct cui              *cui;
  49         struct nc_widgetset     *widgetset;
  50         WINDOW                  *pad;
  51
  52         bool                    exit;
  53         bool                    show_help;
  54         bool                    show_subset;
  55         bool                    need_redraw;
  56         bool                    need_update;
  57
  58         void                    (*on_exit)(struct cui *);
  59
  60         int                     scroll_y;
  61
  62         int                     label_x;
  63         int                     field_x;
  64         int                     network_config_y;
  65
  66         enum net_conf_type      net_conf_type;
  67
  68         bool                    autoboot_enabled;
  69         bool                    ipmi_override;
  70         bool                    net_override;
  71
  72         struct {
  73                 struct nc_widget_label          *autoboot_l;
  74                 struct nc_widget_select         *autoboot_f;
  75                 struct nc_widget_label          *boot_order_l;
  76                 struct nc_widget_subset         *boot_order_f;
  77                 struct nc_widget_label          *boot_empty_l;
  78                 struct nc_widget_button         *boot_add_b;
  79                 struct nc_widget_button         *boot_none_b;
  80                 struct nc_widget_button         *boot_any_b;
  81                 struct nc_widget_textbox        *timeout_f;
  82                 struct nc_widget_label          *timeout_l;
  83                 struct nc_widget_label          *timeout_help_l;
  84
  85                 struct nc_widget_label          *ipmi_type_l;
  86                 struct nc_widget_label          *ipmi_clear_l;
  87                 struct nc_widget_checkbox       *ipmi_clear_cb;
  88
  89                 struct nc_widget_label          *network_l;
  90                 struct nc_widget_select         *network_f;
  91
  92                 struct nc_widget_label          *iface_l;
  93                 struct nc_widget_select         *iface_f;
  94                 struct nc_widget_label          *ip_addr_l;
  95                 struct nc_widget_textbox        *ip_addr_f;
  96                 struct nc_widget_label          *ip_mask_l;
  97                 struct nc_widget_textbox        *ip_mask_f;
  98                 struct nc_widget_label          *ip_addr_mask_help_l;
  99                 struct nc_widget_label          *gateway_l;
 100                 struct nc_widget_textbox        *gateway_f;
 101                 struct nc_widget_label          *gateway_help_l;
 102                 struct nc_widget_label          *url_l;
 103                 struct nc_widget_textbox        *url_f;
 104                 struct nc_widget_label          *url_help_l;
 105                 struct nc_widget_label          *dns_l;
 106                 struct nc_widget_textbox        *dns_f;
 107                 struct nc_widget_label          *dns_dhcp_help_l;
 108                 struct nc_widget_label          *dns_help_l;
 109                 struct nc_widget_label          *http_proxy_l;
 110                 struct nc_widget_textbox        *http_proxy_f;
 111                 struct nc_widget_label          *https_proxy_l;
 112                 struct nc_widget_textbox        *https_proxy_f;
 113
 114                 struct nc_widget_label          *allow_write_l;
 115                 struct nc_widget_select         *allow_write_f;
 116                 struct nc_widget_label          *boot_console_l;
 117                 struct nc_widget_select         *boot_console_f;
 118                 struct nc_widget_label          *manual_console_l;
 119                 struct nc_widget_label          *current_console_l;
 120
 121                 struct nc_widget_label          *net_override_l;
 122                 struct nc_widget_label          *safe_mode;
 123                 struct nc_widget_button         *ok_b;
 124                 struct nc_widget_button         *help_b;
 125                 struct nc_widget_button         *cancel_b;
 126         } widgets;
 127 };
 128
 129 static struct config_screen *config_screen_from_scr(struct nc_scr *scr)
 130 {
 131         struct config_screen *config_screen;
 132
 133         assert(scr->sig == pb_config_screen_sig);
 134         config_screen = (struct config_screen *)
 135                 ((char *)scr - (size_t)&((struct config_screen *)0)->scr);
 136         assert(config_screen->scr.sig == pb_config_screen_sig);
 137         return config_screen;
 138 }
 139
 140 static void pad_refresh(struct config_screen *screen)
 141 {
 142         int y, x, rows, cols;
 143
 144         getmaxyx(screen->scr.sub_ncw, rows, cols);
 145         getbegyx(screen->scr.sub_ncw, y, x);
 146
 147         prefresh(screen->pad, screen->scroll_y, 0, y, x, rows, cols);
 148 }
 149
 150 static void config_screen_process_key(struct nc_scr *scr, int key)
 151 {
 152         struct config_screen *screen = config_screen_from_scr(scr);
 153         bool handled;
 154
 155         handled = widgetset_process_key(screen->widgetset, key);
 156
 157         if (!handled) {
 158                 switch (key) {
 159                 case 'x':
 160                 case 27: /* esc */
 161                         screen->exit = true;
 162                         break;
 163                 case 'h':
 164                         screen->show_help = true;
 165                         break;
 166                 }
 167         }
 168
 169         if (screen->exit) {
 170                 screen->on_exit(screen->cui);
 171
 172         } else if (screen->show_help) {
 173                 screen->show_help = false;
 174                 screen->need_redraw = true;
 175                 cui_show_help(screen->cui, _("System Configuration"),
 176                                 &config_help_text);
 177
 178         } else if (handled && !screen->show_subset) {
 179                 pad_refresh(screen);
 180         }
 181 }
 182
 183 static void config_screen_resize(struct nc_scr *scr)
 184 {
 185         struct config_screen *screen = config_screen_from_scr(scr);
 186         (void)screen;
 187 }
 188
 189 static int config_screen_unpost(struct nc_scr *scr)
 190 {
 191         struct config_screen *screen = config_screen_from_scr(scr);
 192         widgetset_unpost(screen->widgetset);
 193         return 0;
 194 }
 195
 196 struct nc_scr *config_screen_scr(struct config_screen *screen)
 197 {
 198         return &screen->scr;
 199 }
 200
 201 static int screen_process_form(struct config_screen *screen)
 202 {
 203         const struct system_info *sysinfo = screen->cui->sysinfo;
 204         enum net_conf_type net_conf_type;
 205         struct interface_config *iface;
 206         bool allow_write, autoboot;
 207         char *str, *end;
 208         struct config *config;
 209         int i, n_boot_opts, rc;
 210         unsigned int *order, idx;
 211         char mac[20];
 212
 213         config = config_copy(screen, screen->cui->config);
 214
 215         talloc_free(config->autoboot_opts);
 216         config->n_autoboot_opts = 0;
 217
 218         n_boot_opts = widget_subset_get_order(config, &order,
 219                                               screen->widgets.boot_order_f);
 220
 221         autoboot = widget_select_get_value(screen->widgets.autoboot_f);
 222         config->autoboot_enabled = autoboot && n_boot_opts;
 223
 224         config->n_autoboot_opts = n_boot_opts;
 225         config->autoboot_opts = talloc_array(config, struct autoboot_option,
 226                                              n_boot_opts);
 227
 228         for (i = 0; i < n_boot_opts; i++) {
 229                 if (order[i] < sysinfo->n_blockdevs) {
 230                         /* disk uuid */
 231                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_UUID;
 232                         config->autoboot_opts[i].uuid = talloc_strdup(config,
 233                                                         sysinfo->blockdevs[order[i]]->uuid);
 234                 } else if(order[i] < (sysinfo->n_blockdevs + sysinfo->n_interfaces)) {
 235                         /* net uuid */
 236                         order[i] -= sysinfo->n_blockdevs;
 237                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_UUID;
 238                         mac_str(sysinfo->interfaces[order[i]]->hwaddr,
 239                                 sysinfo->interfaces[order[i]]->hwaddr_size,
 240                                 mac, sizeof(mac));
 241                         config->autoboot_opts[i].uuid = talloc_strdup(config, mac);
 242                 } else {
 243                         /* device type */
 244                         order[i] -= (sysinfo->n_blockdevs + sysinfo->n_interfaces);
 245                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_TYPE;
 246                         config->autoboot_opts[i].type = order[i];
 247                 }
 248         }
 249
 250         str = widget_textbox_get_value(screen->widgets.timeout_f);
 251         if (str) {
 252                 unsigned long x;
 253                 errno = 0;
 254                 x = strtoul(str, &end, 10);
 255                 if (!errno && end != str)
 256                         config->autoboot_timeout_sec = x;
 257         }
 258
 259         if (screen->ipmi_override)
 260                 if (widget_checkbox_get_value(screen->widgets.ipmi_clear_cb))
 261                         config->ipmi_bootdev = IPMI_BOOTDEV_INVALID;
 262
 263
 264         net_conf_type = widget_select_get_value(screen->widgets.network_f);
 265
 266         /* if we don't have any network interfaces, prevent per-interface
 267          * configuration */
 268         if (sysinfo->n_interfaces == 0)
 269                 net_conf_type = NET_CONF_TYPE_DHCP_ALL;
 270
 271         if (net_conf_type == NET_CONF_TYPE_DHCP_ALL) {
 272                 config->network.n_interfaces = 0;
 273
 274         } else {
 275                 iface = talloc_zero(config, struct interface_config);
 276                 config->network.n_interfaces = 1;
 277                 config->network.interfaces = talloc_array(config,
 278                                 struct interface_config *, 1);
 279                 config->network.interfaces[0] = iface;
 280
 281                 /* copy hwaddr (from the sysinfo interface data) to
 282                  * the configuration */
 283                 idx = widget_select_get_value(screen->widgets.iface_f);
 284                 memcpy(iface->hwaddr, sysinfo->interfaces[idx]->hwaddr,
 285                                 sizeof(iface->hwaddr));
 286         }
 287
 288         if (net_conf_type == NET_CONF_TYPE_DHCP_ONE) {
 289                 iface->method = CONFIG_METHOD_DHCP;
 290         }
 291
 292         if (net_conf_type == NET_CONF_TYPE_STATIC) {
 293                 char *ip, *mask, *gateway, *url;
 294
 295                 ip = widget_textbox_get_value(screen->widgets.ip_addr_f);
 296                 mask = widget_textbox_get_value(screen->widgets.ip_mask_f);
 297                 gateway = widget_textbox_get_value(screen->widgets.gateway_f);
 298                 url = widget_textbox_get_value(screen->widgets.url_f);
 299
 300                 if (!ip || !*ip || !mask || !*mask) {
 301                         screen->scr.frame.status =
 302                                 _("No IP / mask values are set");
 303                         nc_scr_frame_draw(&screen->scr);
 304                         talloc_free(config);
 305                         return -1;
 306                 }
 307
 308                 iface->method = CONFIG_METHOD_STATIC;
 309                 iface->static_config.address = talloc_asprintf(iface, "%s/%s",
 310                                 ip, mask);
 311                 iface->static_config.gateway = talloc_strdup(iface, gateway);
 312                 iface->static_config.url = talloc_strdup(iface, url);
 313         }
 314
 315         str = widget_textbox_get_value(screen->widgets.dns_f);
 316         talloc_free(config->network.dns_servers);
 317         config->network.dns_servers = NULL;
 318         config->network.n_dns_servers = 0;
 319
 320         if (str && strlen(str)) {
 321                 char *dns, *tmp;
 322                 int i;
 323
 324                 for (;;) {
 325                         dns = strtok_r(str, " \t", &tmp);
 326
 327                         if (!dns)
 328                                 break;
 329
 330                         i = config->network.n_dns_servers++;
 331                         config->network.dns_servers = talloc_realloc(config,
 332                                         config->network.dns_servers,
 333                                         const char *,
 334                                         config->network.n_dns_servers);
 335                         config->network.dns_servers[i] =
 336                                 talloc_strdup(config, dns);
 337
 338                         str = NULL;
 339                 }
 340         }
 341
 342         talloc_free(config->http_proxy);
 343         talloc_free(config->https_proxy);
 344         str = widget_textbox_get_value(screen->widgets.http_proxy_f);
 345         config->http_proxy = talloc_strdup(config, str);
 346         str = widget_textbox_get_value(screen->widgets.https_proxy_f);
 347         config->https_proxy = talloc_strdup(config, str);
 348
 349         allow_write = widget_select_get_value(screen->widgets.allow_write_f);
 350         if (allow_write != config->allow_writes)
 351                 config->allow_writes = allow_write;
 352
 353         if (config->n_consoles && !config->manual_console) {
 354                 idx = widget_select_get_value(screen->widgets.boot_console_f);
 355                 if (!config->boot_console) {
 356                         config->boot_console = talloc_strdup(config,
 357                                                         config->consoles[idx]);
 358                 } else if (strncmp(config->boot_console, config->consoles[idx],
 359                                 strlen(config->boot_console)) != 0) {
 360                         talloc_free(config->boot_console);
 361                         config->boot_console = talloc_strdup(config,
 362                                                         config->consoles[idx]);
 363                 }
 364         }
 365
 366         config->safe_mode = false;
 367         rc = cui_send_config(screen->cui, config);
 368         talloc_free(config);
 369
 370         if (rc)
 371                 pb_log("cui_send_config failed!\n");
 372         else
 373                 pb_debug("config sent!\n");
 374
 375         return 0;
 376 }
 377
 378 static void ok_click(void *arg)
 379 {
 380         struct config_screen *screen = arg;
 381         if (screen_process_form(screen))
 382                 /* errors are written to the status line, so we'll need
 383                  * to refresh */
 384                 wrefresh(screen->scr.main_ncw);
 385         else
 386                 screen->exit = true;
 387 }
 388
 389 static void help_click(void *arg)
 390 {
 391         struct config_screen *screen = arg;
 392         screen->show_help = true;
 393 }
 394
 395 static void cancel_click(void *arg)
 396 {
 397         struct config_screen *screen = arg;
 398         screen->exit = true;
 399 }
 400
 401 static int layout_pair(struct config_screen *screen, int y,
 402                 struct nc_widget_label *label,
 403                 struct nc_widget *field)
 404 {
 405         struct nc_widget *label_w = widget_label_base(label);
 406         widget_move(label_w, y, screen->label_x);
 407         widget_move(field, y, screen->field_x);
 408         return max(widget_height(label_w), widget_height(field));
 409 }
 410
 411 static void config_screen_layout_widgets(struct config_screen *screen)
 412 {
 413         struct nc_widget *wl, *wf, *wh;
 414         int y, x, help_x;
 415         bool show;
 416
 417         y = 1;
 418         /* currently, the longest label we have is the DNS-servers
 419          * widget, so layout our screen based on that */
 420         help_x = screen->field_x + 2 +
 421                 widget_width(widget_textbox_base(screen->widgets.dns_f));
 422
 423         wl = widget_label_base(screen->widgets.autoboot_l);
 424         widget_set_visible(wl, true);
 425         widget_move(wl, y, screen->label_x);
 426
 427         wf = widget_select_base(screen->widgets.autoboot_f);
 428         widget_set_visible(wf, true);
 429         widget_move(wf, y, screen->field_x);
 430         y += widget_height(wf);
 431
 432         show = screen->autoboot_enabled;
 433
 434         if (show)
 435                 y += 1;
 436
 437         wl = widget_label_base(screen->widgets.boot_order_l);
 438         widget_set_visible(wl, show);
 439         widget_move(wl, y, screen->label_x);
 440
 441         wf = widget_subset_base(screen->widgets.boot_order_f);
 442         widget_move(wf, y, screen->field_x);
 443         wl = widget_label_base(screen->widgets.boot_empty_l);
 444         widget_move(wl, y, screen->field_x);
 445
 446         if (widget_subset_height(screen->widgets.boot_order_f)) {
 447                 widget_set_visible(wl, false);
 448                 widget_set_visible(wf, show);
 449                 y += show ? widget_height(wf) : 0;
 450         } else {
 451                 widget_set_visible(wl, show);
 452                 widget_set_visible(wf, false);
 453                 y += show ? 1 : 0;
 454         }
 455
 456         if (show) {
 457                 y += 1;
 458                 widget_move(widget_button_base(screen->widgets.boot_add_b),
 459                                 y++, screen->field_x);
 460                 widget_move(widget_button_base(screen->widgets.boot_any_b),
 461                                 y++, screen->field_x);
 462                 widget_move(widget_button_base(screen->widgets.boot_none_b),
 463                                 y, screen->field_x);
 464         }
 465
 466         wf = widget_button_base(screen->widgets.boot_add_b);
 467         if (widget_subset_n_inactive(screen->widgets.boot_order_f) && show)
 468                 widget_set_visible(wf, true);
 469         else
 470                 widget_set_visible(wf, false);
 471
 472         if (show)
 473                 y += 2;
 474
 475         widget_set_visible(widget_button_base(screen->widgets.boot_any_b), show);
 476         widget_set_visible(widget_button_base(screen->widgets.boot_none_b), show);
 477
 478         wf = widget_textbox_base(screen->widgets.timeout_f);
 479         wl = widget_label_base(screen->widgets.timeout_l);
 480         wh = widget_label_base(screen->widgets.timeout_help_l);
 481         widget_set_visible(wl, screen->autoboot_enabled);
 482         widget_set_visible(wf, screen->autoboot_enabled);
 483         widget_set_visible(wh, screen->autoboot_enabled);
 484         if (screen->autoboot_enabled) {
 485                 widget_set_visible(wh, screen->autoboot_enabled);
 486                 widget_move(wl, y, screen->label_x);
 487                 widget_move(wf, y, screen->field_x);
 488                 widget_move(wh, y, screen->field_x + widget_width(wf) + 1);
 489                 y += 2;
 490         } else
 491                 y += 1;
 492
 493         if (screen->ipmi_override) {
 494                 wl = widget_label_base(screen->widgets.ipmi_type_l);
 495                 widget_set_visible(wl, true);
 496                 widget_move(wl, y, screen->label_x);
 497                 y += 1;
 498
 499                 wl = widget_label_base(screen->widgets.ipmi_clear_l);
 500                 wf = widget_checkbox_base(screen->widgets.ipmi_clear_cb);
 501                 widget_set_visible(wl, true);
 502                 widget_set_visible(wf, true);
 503                 widget_move(wl, y, screen->label_x);
 504                 widget_move(wf, y, screen->field_x);
 505                 y += 1;
 506         }
 507
 508         y += 1;
 509
 510         y += layout_pair(screen, y, screen->widgets.network_l,
 511                         widget_select_base(screen->widgets.network_f));
 512
 513         y += 1;
 514
 515         /* conditionally show iface select */
 516         wl = widget_label_base(screen->widgets.iface_l);
 517         wf = widget_select_base(screen->widgets.iface_f);
 518
 519         show = screen->net_conf_type == NET_CONF_TYPE_DHCP_ONE ||
 520                 screen->net_conf_type == NET_CONF_TYPE_STATIC;
 521
 522         widget_set_visible(wl, show);
 523         widget_set_visible(wf, show);
 524
 525         if (show)
 526                 y += layout_pair(screen, y, screen->widgets.iface_l, wf) + 1;
 527
 528         /* conditionally show static IP params */
 529         show = screen->net_conf_type == NET_CONF_TYPE_STATIC;
 530
 531         wl = widget_label_base(screen->widgets.ip_addr_l);
 532         wf = widget_textbox_base(screen->widgets.ip_addr_f);
 533         widget_set_visible(wl, show);
 534         widget_set_visible(wf, show);
 535         x = screen->field_x + widget_width(wf) + 1;
 536
 537         if (show)
 538                 layout_pair(screen, y, screen->widgets.ip_addr_l, wf);
 539
 540         wl = widget_label_base(screen->widgets.ip_mask_l);
 541         wf = widget_textbox_base(screen->widgets.ip_mask_f);
 542         widget_set_visible(wl, show);
 543         widget_set_visible(wf, show);
 544
 545         if (show) {
 546                 widget_move(wl, y, x);
 547                 widget_move(wf, y, x + 2);
 548         }
 549
 550         /* help for IP/mask */
 551         wh = widget_label_base(screen->widgets.ip_addr_mask_help_l);
 552         widget_set_visible(wh, show);
 553         if (show) {
 554                 widget_move(wh, y, help_x);
 555                 y++;
 556         }
 557
 558         wl = widget_label_base(screen->widgets.gateway_l);
 559         wf = widget_textbox_base(screen->widgets.gateway_f);
 560         wh = widget_label_base(screen->widgets.gateway_help_l);
 561         widget_set_visible(wl, show);
 562         widget_set_visible(wf, show);
 563         widget_set_visible(wh, show);
 564
 565         if (show) {
 566                 layout_pair(screen, y, screen->widgets.gateway_l, wf);
 567                 widget_move(wh, y, help_x);
 568                 y++;
 569         }
 570
 571         wl = widget_label_base(screen->widgets.url_l);
 572         wf = widget_textbox_base(screen->widgets.url_f);
 573         wh = widget_label_base(screen->widgets.url_help_l);
 574         widget_set_visible(wl, show);
 575         widget_set_visible(wf, show);
 576         widget_set_visible(wh, show);
 577
 578         if (show) {
 579                 layout_pair(screen, y, screen->widgets.url_l, wf);
 580                 widget_move(wh, y, help_x);
 581                 y++;
 582         }
 583
 584         wh = widget_label_base(screen->widgets.dns_help_l);
 585         layout_pair(screen, y, screen->widgets.dns_l,
 586                         widget_textbox_base(screen->widgets.dns_f));
 587         widget_move(wh, y, help_x);
 588         y++;
 589
 590         /* we show the DNS/DHCP help if we're configuring DHCP */
 591         show = screen->net_conf_type != NET_CONF_TYPE_STATIC;
 592         wl = widget_label_base(screen->widgets.dns_dhcp_help_l);
 593         widget_set_visible(wl, show);
 594         if (show) {
 595                 widget_move(wl, y, screen->field_x);
 596                 y += 1;
 597         }
 598
 599         wf = widget_textbox_base(screen->widgets.http_proxy_f);
 600         layout_pair(screen, y, screen->widgets.http_proxy_l, wf);
 601         y++;
 602         wf = widget_textbox_base(screen->widgets.https_proxy_f);
 603         layout_pair(screen, y, screen->widgets.https_proxy_l, wf);
 604         y++;
 605
 606         y += 1;
 607
 608         layout_pair(screen, y, screen->widgets.allow_write_l,
 609                     widget_select_base(screen->widgets.allow_write_f));
 610         y += widget_height(widget_select_base(screen->widgets.allow_write_f));
 611
 612         y += 1;
 613
 614         if (screen->widgets.manual_console_l) {
 615                 layout_pair(screen, y++, screen->widgets.boot_console_l,
 616                         widget_label_base(screen->widgets.manual_console_l));
 617                 widget_move(widget_label_base(screen->widgets.current_console_l),
 618                         y, screen->field_x);
 619                 widget_set_visible(widget_select_base(
 620                         screen->widgets.boot_console_f), false);
 621                 y += 2;
 622         } else if (widget_height(widget_select_base(screen->widgets.boot_console_f))) {
 623                 layout_pair(screen, y, screen->widgets.boot_console_l,
 624                             widget_select_base(screen->widgets.boot_console_f));
 625                 y += widget_height(widget_select_base(screen->widgets.boot_console_f));
 626                 widget_move(widget_label_base(screen->widgets.current_console_l),
 627                         y, screen->field_x);
 628                 y += 2;
 629         } else {
 630                 widget_set_visible(widget_label_base(
 631                                         screen->widgets.boot_console_l), false);
 632                 widget_set_visible(widget_select_base(
 633                                         screen->widgets.boot_console_f), false);
 634                 widget_set_visible(widget_label_base(
 635                                         screen->widgets.current_console_l), false);
 636         }
 637
 638         if (screen->net_override) {
 639                 widget_move(widget_label_base(screen->widgets.net_override_l),
 640                                 y, screen->label_x);
 641                 widget_set_visible(widget_label_base(screen->widgets.net_override_l),
 642                                         true);
 643                 y += 1;
 644         }
 645
 646         if (screen->cui->config->safe_mode) {
 647                 widget_move(widget_label_base(screen->widgets.safe_mode),
 648                         y, screen->label_x);
 649                 widget_set_visible(widget_label_base(screen->widgets.safe_mode),
 650                                         true);
 651                 y += 1;
 652         }
 653
 654         widget_move(widget_button_base(screen->widgets.ok_b),
 655                         y, screen->field_x);
 656         widget_move(widget_button_base(screen->widgets.help_b),
 657                         y, screen->field_x + 14);
 658         widget_move(widget_button_base(screen->widgets.cancel_b),
 659                         y, screen->field_x + 28);
 660 }
 661
 662 static void config_screen_network_change(void *arg, int value)
 663 {
 664         struct config_screen *screen = arg;
 665         screen->net_conf_type = value;
 666         widgetset_unpost(screen->widgetset);
 667         config_screen_layout_widgets(screen);
 668         widgetset_post(screen->widgetset);
 669 }
 670
 671 static void config_screen_boot_order_change(void *arg, int value)
 672 {
 673         (void)value;
 674         struct config_screen *screen = arg;
 675         widgetset_unpost(screen->widgetset);
 676         config_screen_layout_widgets(screen);
 677         widgetset_post(screen->widgetset);
 678 }
 679
 680 static void config_screen_autoboot_change(void *arg, int value)
 681 {
 682         struct config_screen *screen = arg;
 683         screen->autoboot_enabled = !!value;
 684         widgetset_unpost(screen->widgetset);
 685         config_screen_layout_widgets(screen);
 686         widgetset_post(screen->widgetset);
 687 }
 688
 689 static void config_screen_add_device(void *arg)
 690 {
 691         struct config_screen *screen = arg;
 692
 693         screen->show_subset = true;
 694         cui_show_subset(screen->cui, _("Select a boot device to add"),
 695                         screen->widgets.boot_order_f);
 696 }
 697
 698 static void config_screen_autoboot_none(void *arg)
 699 {
 700         struct config_screen *screen = arg;
 701         struct nc_widget_subset *subset = screen->widgets.boot_order_f;
 702
 703         widget_subset_clear_active(subset);
 704
 705         widgetset_unpost(screen->widgetset);
 706         config_screen_layout_widgets(screen);
 707         widgetset_post(screen->widgetset);
 708 }
 709
 710 static void config_screen_autoboot_any(void *arg)
 711 {
 712         struct config_screen *screen = arg;
 713         const struct system_info *sysinfo = screen->cui->sysinfo;
 714         struct nc_widget_subset *subset = screen->widgets.boot_order_f;
 715         int idx;
 716
 717         widget_subset_clear_active(subset);
 718
 719         idx = sysinfo->n_blockdevs + sysinfo->n_interfaces + DEVICE_TYPE_ANY;
 720
 721         widget_subset_make_active(screen->widgets.boot_order_f, idx);
 722
 723         screen->autoboot_enabled = true;
 724
 725         widgetset_unpost(screen->widgetset);
 726         config_screen_layout_widgets(screen);
 727         widgetset_post(screen->widgetset);
 728 }
 729
 730 static void config_screen_update_subset(void *arg,
 731                         struct nc_widget_subset *subset, int idx)
 732 {
 733         struct config_screen *screen = arg;
 734
 735         if (idx >= 0)
 736                 widget_subset_make_active(subset, idx);
 737         if (!screen->autoboot_enabled)
 738                 screen->autoboot_enabled = true;
 739         config_screen_layout_widgets(screen);
 740 }
 741
 742 static struct interface_config *first_active_interface(
 743                 const struct config *config)
 744 {
 745         unsigned int i;
 746
 747         for (i = 0; i < config->network.n_interfaces; i++) {
 748                 if (config->network.interfaces[i]->ignore)
 749                         continue;
 750                 return config->network.interfaces[i];
 751         }
 752         return NULL;
 753 }
 754
 755 static enum net_conf_type find_net_conf_type(const struct config *config)
 756 {
 757         struct interface_config *ifcfg;
 758
 759         ifcfg = first_active_interface(config);
 760
 761         if (!ifcfg)
 762                 return NET_CONF_TYPE_DHCP_ALL;
 763
 764         else if (ifcfg->method == CONFIG_METHOD_DHCP)
 765                 return NET_CONF_TYPE_DHCP_ONE;
 766
 767         else if (ifcfg->method == CONFIG_METHOD_STATIC)
 768                 return NET_CONF_TYPE_STATIC;
 769
 770         assert(0);
 771         return NET_CONF_TYPE_DHCP_ALL;
 772 }
 773
 774 static void config_screen_setup_empty(struct config_screen *screen)
 775 {
 776         widget_new_label(screen->widgetset, 2, screen->field_x,
 777                         _("Waiting for configuration data..."));
 778         screen->widgets.cancel_b = widget_new_button(screen->widgetset,
 779                         4, screen->field_x, 9, _("Cancel"),
 780                         cancel_click, screen);
 781 }
 782
 783 static int find_autoboot_idx(const struct system_info *sysinfo,
 784                 struct autoboot_option *opt)
 785 {
 786         unsigned int i;
 787
 788         if (opt->boot_type == BOOT_DEVICE_TYPE)
 789                 return sysinfo->n_blockdevs + sysinfo->n_interfaces + opt->type;
 790
 791         for (i = 0; i < sysinfo->n_blockdevs; i++) {
 792                 if (!strcmp(sysinfo->blockdevs[i]->uuid, opt->uuid))
 793                         return i;
 794         }
 795
 796         for (i = 0; i < sysinfo->n_interfaces; i++) {
 797                 struct interface_info *info = sysinfo->interfaces[i];
 798                 char mac[20];
 799
 800                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 801
 802                 if (!strcmp(mac, opt->uuid))
 803                         return sysinfo->n_blockdevs + i;
 804         }
 805
 806         return -1;
 807 }
 808
 809 static void config_screen_setup_widgets(struct config_screen *screen,
 810                 const struct config *config,
 811                 const struct system_info *sysinfo)
 812 {
 813         struct nc_widgetset *set = screen->widgetset;
 814         struct interface_config *ifcfg;
 815         char *str, *ip, *mask, *gw, *url, *tty, *label;
 816         enum net_conf_type type;
 817         unsigned int i;
 818         int add_len, clear_len, any_len, min_len = 20;
 819         bool found;
 820
 821         build_assert(sizeof(screen->widgets) / sizeof(struct widget *)
 822                         == N_FIELDS);
 823
 824         type = screen->net_conf_type;
 825         ifcfg = first_active_interface(config);
 826
 827         screen->autoboot_enabled = config->autoboot_enabled;
 828
 829         screen->widgets.autoboot_l = widget_new_label(set, 0, 0,
 830                                         _("Autoboot:"));
 831         screen->widgets.autoboot_f = widget_new_select(set, 0, 0,
 832                                         COLS - screen->field_x - 1);
 833
 834         widget_select_add_option(screen->widgets.autoboot_f, 0, _("Disabled"),
 835                                  !screen->autoboot_enabled);
 836         widget_select_add_option(screen->widgets.autoboot_f, 1, _("Enabled"),
 837                                  screen->autoboot_enabled);
 838
 839         widget_select_on_change(screen->widgets.autoboot_f,
 840                         config_screen_autoboot_change, screen);
 841
 842         add_len = max(min_len, strncols(_("Add Device")));
 843         clear_len = max(min_len, strncols(_("Clear")));
 844         any_len = max(min_len, strncols(_("Clear & Boot Any")));
 845
 846         screen->widgets.boot_add_b = widget_new_button(set, 0, 0, add_len,
 847                                         _("Add Device"),
 848                                         config_screen_add_device, screen);
 849
 850         screen->widgets.boot_none_b = widget_new_button(set, 0, 0, clear_len,
 851                                         _("Clear"),
 852                                         config_screen_autoboot_none, screen);
 853
 854         screen->widgets.boot_any_b = widget_new_button(set, 0, 0, any_len,
 855                                         _("Clear & Boot Any"),
 856                                         config_screen_autoboot_any, screen);
 857
 858         screen->widgets.boot_order_l = widget_new_label(set, 0, 0,
 859                                         _("Boot Order:"));
 860         screen->widgets.boot_order_f = widget_new_subset(set, 0, 0,
 861                                         COLS - screen->field_x,
 862                                         config_screen_update_subset);
 863         screen->widgets.boot_empty_l = widget_new_label(set, 0, 0,
 864                                         _("(None)"));
 865
 866         widget_subset_on_change(screen->widgets.boot_order_f,
 867                         config_screen_boot_order_change, screen);
 868
 869         for (i = 0; i < sysinfo->n_blockdevs; i++) {
 870                 struct blockdev_info *bd = sysinfo->blockdevs[i];
 871
 872                 label = talloc_asprintf(screen, _("disk: %s [uuid: %s]"),
 873                                 bd->name, bd->uuid);
 874
 875                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 876         }
 877
 878         for (i = 0; i < sysinfo->n_interfaces; i++) {
 879                 struct interface_info *info = sysinfo->interfaces[i];
 880                 char mac[20];
 881
 882                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 883
 884                 label = talloc_asprintf(screen, _("net:  %s [mac: %s]"),
 885                                 info->name, mac);
 886
 887                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 888         }
 889
 890         for (i = DEVICE_TYPE_NETWORK; i < DEVICE_TYPE_UNKNOWN; i++) {
 891
 892                 if (i == DEVICE_TYPE_ANY)
 893                         label = talloc_asprintf(screen, _("Any Device"));
 894                 else
 895                         label = talloc_asprintf(screen, _("Any %s device"),
 896                                                 device_type_display_name(i));
 897
 898                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 899         }
 900
 901         for (i = 0; i < config->n_autoboot_opts; i++) {
 902                 struct autoboot_option *opt = &config->autoboot_opts[i];
 903                 int idx;
 904
 905                 idx = find_autoboot_idx(sysinfo, opt);
 906
 907                 if (idx >= 0) {
 908                         widget_subset_make_active(screen->widgets.boot_order_f,
 909                                                   idx);
 910                 } else {
 911                         if (opt->boot_type == BOOT_DEVICE_TYPE)
 912                                 pb_log("%s: Unknown autoboot option: %d\n",
 913                                        __func__, opt->type);
 914                         else
 915                                 pb_log("%s: Unknown autoboot UUID: %s\n",
 916                                        __func__, opt->uuid);
 917                 }
 918         }
 919
 920
 921         str = talloc_asprintf(screen, "%d", config->autoboot_timeout_sec);
 922         screen->widgets.timeout_l = widget_new_label(set, 0, 0, _("Timeout:"));
 923         screen->widgets.timeout_f = widget_new_textbox(set, 0, 0, 5, str);
 924         screen->widgets.timeout_help_l = widget_new_label(set, 0, 0,
 925                                         _("seconds"));
 926
 927         widget_textbox_set_fixed_size(screen->widgets.timeout_f);
 928         widget_textbox_set_validator_integer(screen->widgets.timeout_f, 0, 999);
 929
 930         if (config->ipmi_bootdev) {
 931                 label = talloc_asprintf(screen,
 932                                 _("%s IPMI boot option: %s"),
 933                                 config->ipmi_bootdev_persistent ?
 934                                 "Persistent" : "Temporary",
 935                                 ipmi_bootdev_display_name(config->ipmi_bootdev));
 936                 screen->widgets.ipmi_type_l = widget_new_label(set, 0, 0,
 937                                                         label);
 938                 screen->widgets.ipmi_clear_l = widget_new_label(set, 0, 0,
 939                                                         _("Clear option:"));
 940                 screen->widgets.ipmi_clear_cb = widget_new_checkbox(set, 0, 0,
 941                                                         false);
 942                 screen->ipmi_override = true;
 943         }
 944
 945         screen->widgets.network_l = widget_new_label(set, 0, 0, _("Network:"));
 946         screen->widgets.network_f = widget_new_select(set, 0, 0,
 947                                                 COLS - screen->field_x - 1);
 948
 949         widget_select_add_option(screen->widgets.network_f,
 950                                         NET_CONF_TYPE_DHCP_ALL,
 951                                         _("DHCP on all active interfaces"),
 952                                         type == NET_CONF_TYPE_DHCP_ALL);
 953         widget_select_add_option(screen->widgets.network_f,
 954                                         NET_CONF_TYPE_DHCP_ONE,
 955                                         _("DHCP on a specific interface"),
 956                                         type == NET_CONF_TYPE_DHCP_ONE);
 957         widget_select_add_option(screen->widgets.network_f,
 958                                         NET_CONF_TYPE_STATIC,
 959                                         _("Static IP configuration"),
 960                                         type == NET_CONF_TYPE_STATIC);
 961
 962         widget_select_on_change(screen->widgets.network_f,
 963                         config_screen_network_change, screen);
 964
 965         screen->widgets.iface_l = widget_new_label(set, 0, 0, _("Device:"));
 966         screen->widgets.iface_f = widget_new_select(set, 0, 0, 50);
 967
 968         for (i = 0; i < sysinfo->n_interfaces; i++) {
 969                 struct interface_info *info = sysinfo->interfaces[i];
 970                 char str[50], mac[20];
 971                 bool is_default;
 972
 973                 is_default = ifcfg && !memcmp(ifcfg->hwaddr, info->hwaddr,
 974                                         sizeof(ifcfg->hwaddr));
 975
 976                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 977                 snprintf(str, sizeof(str), "%s [%s, %s]", info->name, mac,
 978                                 info->link ? _("link up") : _("link down"));
 979
 980                 widget_select_add_option(screen->widgets.iface_f,
 981                                                 i, str, is_default);
 982         }
 983
 984         url = gw = ip = mask = NULL;
 985         if (ifcfg && ifcfg->method == CONFIG_METHOD_STATIC) {
 986                 char *sep;
 987
 988                 str = talloc_strdup(screen, ifcfg->static_config.address);
 989                 sep = strchr(str, '/');
 990                 ip = str;
 991
 992                 if (sep) {
 993                         *sep = '\0';
 994                         mask = sep + 1;
 995                 }
 996                 gw = ifcfg->static_config.gateway;
 997                 url = ifcfg->static_config.url;
 998         }
 999
1000         screen->net_override = ifcfg && ifcfg->override;
1001         if (screen->net_override) {
1002                 screen->widgets.net_override_l = widget_new_label(set, 0, 0,
1003                         _("Network Override Active! 'OK' will overwrite interface config"));
1004         }
1005
1006         screen->widgets.ip_addr_l = widget_new_label(set, 0, 0, _("IP/mask:"));
1007         screen->widgets.ip_addr_f = widget_new_textbox(set, 0, 0, 16, ip);
1008         screen->widgets.ip_mask_l = widget_new_label(set, 0, 0, "/");
1009         screen->widgets.ip_mask_f = widget_new_textbox(set, 0, 0, 3, mask);
1010         screen->widgets.ip_addr_mask_help_l =
1011                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.10 / 24)"));
1012
1013         widget_textbox_set_fixed_size(screen->widgets.ip_addr_f);
1014         widget_textbox_set_fixed_size(screen->widgets.ip_mask_f);
1015         widget_textbox_set_validator_ipv4(screen->widgets.ip_addr_f);
1016         widget_textbox_set_validator_integer(screen->widgets.ip_mask_f, 1, 31);
1017
1018         screen->widgets.gateway_l = widget_new_label(set, 0, 0, _("Gateway:"));
1019         screen->widgets.gateway_f = widget_new_textbox(set, 0, 0, 16, gw);
1020         screen->widgets.gateway_help_l =
1021                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.1)"));
1022
1023         widget_textbox_set_fixed_size(screen->widgets.gateway_f);
1024         widget_textbox_set_validator_ipv4(screen->widgets.gateway_f);
1025
1026         screen->widgets.url_l = widget_new_label(set, 0, 0, _("URL:"));
1027         screen->widgets.url_f = widget_new_textbox(set, 0, 0, 32, url);
1028         screen->widgets.url_help_l =
1029                 widget_new_label(set, 0, 0, _("(eg. tftp://)"));
1030
1031         str = talloc_strdup(screen, "");
1032         for (i = 0; i < config->network.n_dns_servers; i++) {
1033                 str = talloc_asprintf_append(str, "%s%s",
1034                                 (i == 0) ? "" : " ",
1035                                 config->network.dns_servers[i]);
1036         }
1037
1038         screen->widgets.dns_l = widget_new_label(set, 0, 0,
1039                                         _("DNS Server(s):"));
1040         screen->widgets.dns_f = widget_new_textbox(set, 0, 0, 32, str);
1041         screen->widgets.dns_help_l =
1042                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.2)"));
1043
1044         widget_textbox_set_validator_ipv4_multi(screen->widgets.dns_f);
1045
1046         screen->widgets.dns_dhcp_help_l = widget_new_label(set, 0, 0,
1047                         _("(if not provided by DHCP server)"));
1048
1049         screen->widgets.http_proxy_l = widget_new_label(set, 0, 0,
1050                                         _("HTTP Proxy:"));
1051         screen->widgets.http_proxy_f = widget_new_textbox(set, 0, 0, 32,
1052                                                 config->http_proxy);
1053         screen->widgets.https_proxy_l = widget_new_label(set, 0, 0,
1054                                         _("HTTPS Proxy:"));
1055         screen->widgets.https_proxy_f = widget_new_textbox(set, 0, 0, 32,
1056                                                 config->https_proxy);
1057
1058         if (config->safe_mode)
1059                 screen->widgets.safe_mode = widget_new_label(set, 0, 0,
1060                          _("Selecting 'OK' will exit safe mode"));
1061
1062         screen->widgets.allow_write_l = widget_new_label(set, 0, 0,
1063                         _("Disk R/W:"));
1064         screen->widgets.allow_write_f = widget_new_select(set, 0, 0,
1065                                                 COLS - screen->field_x - 1);
1066
1067         widget_select_add_option(screen->widgets.allow_write_f, 0,
1068                                 _("Prevent all writes to disk"),
1069                                 !config->allow_writes);
1070
1071         widget_select_add_option(screen->widgets.allow_write_f, 1,
1072                                 _("Allow bootloader scripts to modify disks"),
1073                                 config->allow_writes);
1074
1075         screen->widgets.boot_console_l = widget_new_label(set, 0, 0,
1076                         _("Boot console:"));
1077         screen->widgets.boot_console_f = widget_new_select(set, 0, 0,
1078                                                 COLS - screen->field_x - 1);
1079
1080         for (i = 0; i < config->n_consoles; i++){
1081                 found = config->boot_console &&
1082                         strncmp(config->boot_console, config->consoles[i],
1083                                 strlen(config->boot_console)) == 0;
1084                 widget_select_add_option(screen->widgets.boot_console_f, i,
1085                                         config->consoles[i], found);
1086         }
1087
1088         if (config->manual_console) {
1089                 label = talloc_asprintf(screen, _("Manually set: '%s'"),
1090                                         config->boot_console);
1091                 screen->widgets.manual_console_l = widget_new_label(set, 0, 0, label);
1092         }
1093
1094         tty = talloc_asprintf(screen, _("Current interface: %s"),
1095                                 ttyname(STDIN_FILENO));
1096         screen->widgets.current_console_l = widget_new_label(set, 0 , 0, tty);
1097
1098         screen->widgets.ok_b = widget_new_button(set, 0, 0, 10, _("OK"),
1099                         ok_click, screen);
1100         screen->widgets.help_b = widget_new_button(set, 0, 0, 10, _("Help"),
1101                         help_click, screen);
1102         screen->widgets.cancel_b = widget_new_button(set, 0, 0, 10, _("Cancel"),
1103                         cancel_click, screen);
1104 }
1105
1106 static void config_screen_widget_focus(struct nc_widget *widget, void *arg)
1107 {
1108         struct config_screen *screen = arg;
1109         int w_y, w_height, w_focus, s_max, adjust;
1110
1111         w_height = widget_height(widget);
1112         w_focus = widget_focus_y(widget);
1113         w_y = widget_y(widget) + w_focus;
1114         s_max = getmaxy(screen->scr.sub_ncw) - 1;
1115
1116         if (w_y < screen->scroll_y)
1117                 screen->scroll_y = w_y;
1118
1119         else if (w_y + screen->scroll_y + 1 > s_max) {
1120                 /* Fit as much of the widget into the screen as possible */
1121                 adjust = min(s_max - 1, w_height - w_focus);
1122                 if (w_y + adjust >= screen->scroll_y + s_max)
1123                         screen->scroll_y = max(0, 1 + w_y + adjust - s_max);
1124         } else
1125                 return;
1126
1127         pad_refresh(screen);
1128 }
1129
1130 static void config_screen_draw(struct config_screen *screen,
1131                 const struct config *config,
1132                 const struct system_info *sysinfo)
1133 {
1134         bool repost = false;
1135         int height;
1136
1137         /* The size of the pad we'll need depends on the number of interfaces.
1138          *
1139          * We use N_FIELDS (which is quite conservative, as some fields share
1140          * a line) as a base, then:
1141          * - add 6 (as the network select & boot device select fields take 3
1142          *   lines each),
1143          * - add n_interfaces for every field in the network select field, and
1144          * - add (n_blockdevs + n_interfaces) for every field in the boot device
1145          *   select field
1146          */
1147         height = N_FIELDS + 6;
1148         if (sysinfo) {
1149                 height += sysinfo->n_interfaces;
1150                 height += (sysinfo->n_blockdevs + sysinfo->n_interfaces);
1151         }
1152         if (!screen->pad || getmaxy(screen->pad) < height) {
1153                 if (screen->pad)
1154                         delwin(screen->pad);
1155                 screen->pad = newpad(height, COLS + 10);
1156         }
1157
1158         if (screen->widgetset) {
1159                 widgetset_unpost(screen->widgetset);
1160                 talloc_free(screen->widgetset);
1161                 repost = true;
1162         }
1163
1164         screen->widgetset = widgetset_create(screen, screen->scr.main_ncw,
1165                         screen->pad);
1166         widgetset_set_widget_focus(screen->widgetset,
1167                         config_screen_widget_focus, screen);
1168
1169         if (!config || !sysinfo) {
1170                 config_screen_setup_empty(screen);
1171         } else {
1172                 screen->net_conf_type = find_net_conf_type(config);
1173                 config_screen_setup_widgets(screen, config, sysinfo);
1174                 config_screen_layout_widgets(screen);
1175         }
1176
1177         if (repost)
1178                 widgetset_post(screen->widgetset);
1179 }
1180
1181 void config_screen_update(struct config_screen *screen,
1182                 const struct config *config,
1183                 const struct system_info *sysinfo)
1184 {
1185         if (screen->cui->current != config_screen_scr(screen)) {
1186                 screen->need_update = true;
1187                 return;
1188         }
1189
1190         config_screen_draw(screen, config, sysinfo);
1191         pad_refresh(screen);
1192 }
1193
1194 static int config_screen_post(struct nc_scr *scr)
1195 {
1196         struct config_screen *screen = config_screen_from_scr(scr);
1197         screen->show_subset = false;
1198
1199         if (screen->need_update) {
1200                 config_screen_draw(screen, screen->cui->config,
1201                                    screen->cui->sysinfo);
1202                 screen->need_update = false;
1203         } else {
1204                 widgetset_post(screen->widgetset);
1205         }
1206
1207         nc_scr_frame_draw(scr);
1208         if (screen->need_redraw) {
1209                 redrawwin(scr->main_ncw);
1210                 screen->need_redraw = false;
1211         }
1212         wrefresh(screen->scr.main_ncw);
1213         pad_refresh(screen);
1214         return 0;
1215 }
1216
1217 static int config_screen_destroy(void *arg)
1218 {
1219         struct config_screen *screen = arg;
1220         if (screen->pad)
1221                 delwin(screen->pad);
1222         return 0;
1223 }
1224
1225 struct config_screen *config_screen_init(struct cui *cui,
1226                 const struct config *config,
1227                 const struct system_info *sysinfo,
1228                 void (*on_exit)(struct cui *))
1229 {
1230         struct config_screen *screen;
1231
1232         screen = talloc_zero(cui, struct config_screen);
1233         talloc_set_destructor(screen, config_screen_destroy);
1234         nc_scr_init(&screen->scr, pb_config_screen_sig, 0,
1235                         cui, config_screen_process_key,
1236                         config_screen_post, config_screen_unpost,
1237                         config_screen_resize);
1238
1239         screen->cui = cui;
1240         screen->on_exit = on_exit;
1241         screen->need_redraw = false;
1242         screen->need_update = false;
1243         screen->label_x = 2;
1244         screen->field_x = 17;
1245
1246         screen->ipmi_override = false;
1247         screen->show_subset = false;
1248
1249         screen->scr.frame.ltitle = talloc_strdup(screen,
1250                         _("Petitboot System Configuration"));
1251         screen->scr.frame.rtitle = NULL;
1252         screen->scr.frame.help = talloc_strdup(screen,
1253                         _("tab=next, shift+tab=previous, x=exit, h=help"));
1254         nc_scr_frame_draw(&screen->scr);
1255
1256         scrollok(screen->scr.sub_ncw, true);
1257
1258         config_screen_draw(screen, config, sysinfo);
1259
1260         return screen;
1261 }