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        32
  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
  57         void                    (*on_exit)(struct cui *);
  58
  59         int                     scroll_y;
  60
  61         int                     label_x;
  62         int                     field_x;
  63         int                     network_config_y;
  64
  65         enum net_conf_type      net_conf_type;
  66
  67         bool                    autoboot_enabled;
  68         bool                    ipmi_override;
  69
  70         struct {
  71                 struct nc_widget_label          *boot_order_l;
  72                 struct nc_widget_subset         *boot_order_f;
  73                 struct nc_widget_label          *boot_empty_l;
  74                 struct nc_widget_button         *boot_add_b;
  75                 struct nc_widget_button         *boot_none_b;
  76                 struct nc_widget_button         *boot_any_b;
  77                 struct nc_widget_textbox        *timeout_f;
  78                 struct nc_widget_label          *timeout_l;
  79                 struct nc_widget_label          *timeout_help_l;
  80
  81                 struct nc_widget_label          *ipmi_type_l;
  82                 struct nc_widget_label          *ipmi_clear_l;
  83                 struct nc_widget_checkbox       *ipmi_clear_cb;
  84
  85                 struct nc_widget_label          *network_l;
  86                 struct nc_widget_select         *network_f;
  87
  88                 struct nc_widget_label          *iface_l;
  89                 struct nc_widget_select         *iface_f;
  90                 struct nc_widget_label          *ip_addr_l;
  91                 struct nc_widget_textbox        *ip_addr_f;
  92                 struct nc_widget_label          *ip_mask_l;
  93                 struct nc_widget_textbox        *ip_mask_f;
  94                 struct nc_widget_label          *ip_addr_mask_help_l;
  95                 struct nc_widget_label          *gateway_l;
  96                 struct nc_widget_textbox        *gateway_f;
  97                 struct nc_widget_label          *gateway_help_l;
  98                 struct nc_widget_label          *dns_l;
  99                 struct nc_widget_textbox        *dns_f;
 100                 struct nc_widget_label          *dns_dhcp_help_l;
 101                 struct nc_widget_label          *dns_help_l;
 102
 103                 struct nc_widget_label          *safe_mode;
 104                 struct nc_widget_button         *ok_b;
 105                 struct nc_widget_button         *help_b;
 106                 struct nc_widget_button         *cancel_b;
 107         } widgets;
 108 };
 109
 110 static struct config_screen *config_screen_from_scr(struct nc_scr *scr)
 111 {
 112         struct config_screen *config_screen;
 113
 114         assert(scr->sig == pb_config_screen_sig);
 115         config_screen = (struct config_screen *)
 116                 ((char *)scr - (size_t)&((struct config_screen *)0)->scr);
 117         assert(config_screen->scr.sig == pb_config_screen_sig);
 118         return config_screen;
 119 }
 120
 121 static void pad_refresh(struct config_screen *screen)
 122 {
 123         int y, x, rows, cols;
 124
 125         getmaxyx(screen->scr.sub_ncw, rows, cols);
 126         getbegyx(screen->scr.sub_ncw, y, x);
 127
 128         prefresh(screen->pad, screen->scroll_y, 0, y, x, rows, cols);
 129 }
 130
 131 static void config_screen_process_key(struct nc_scr *scr, int key)
 132 {
 133         struct config_screen *screen = config_screen_from_scr(scr);
 134         bool handled;
 135
 136         handled = widgetset_process_key(screen->widgetset, key);
 137
 138         if (!handled) {
 139                 switch (key) {
 140                 case 'x':
 141                 case 27: /* esc */
 142                         screen->exit = true;
 143                         break;
 144                 case 'h':
 145                         screen->show_help = true;
 146                         break;
 147                 }
 148         }
 149
 150         if (screen->exit) {
 151                 screen->on_exit(screen->cui);
 152
 153         } else if (screen->show_help) {
 154                 screen->show_help = false;
 155                 screen->need_redraw = true;
 156                 cui_show_help(screen->cui, _("System Configuration"),
 157                                 &config_help_text);
 158
 159         } else if (handled && !screen->show_subset) {
 160                 pad_refresh(screen);
 161         }
 162 }
 163
 164 static void config_screen_resize(struct nc_scr *scr)
 165 {
 166         struct config_screen *screen = config_screen_from_scr(scr);
 167         (void)screen;
 168 }
 169
 170 static int config_screen_post(struct nc_scr *scr)
 171 {
 172         struct config_screen *screen = config_screen_from_scr(scr);
 173         screen->show_subset = false;
 174         widgetset_post(screen->widgetset);
 175         nc_scr_frame_draw(scr);
 176         if (screen->need_redraw) {
 177                 redrawwin(scr->main_ncw);
 178                 screen->need_redraw = false;
 179         }
 180         wrefresh(screen->scr.main_ncw);
 181         pad_refresh(screen);
 182         return 0;
 183 }
 184
 185 static int config_screen_unpost(struct nc_scr *scr)
 186 {
 187         struct config_screen *screen = config_screen_from_scr(scr);
 188         widgetset_unpost(screen->widgetset);
 189         return 0;
 190 }
 191
 192 struct nc_scr *config_screen_scr(struct config_screen *screen)
 193 {
 194         return &screen->scr;
 195 }
 196
 197 static int screen_process_form(struct config_screen *screen)
 198 {
 199         const struct system_info *sysinfo = screen->cui->sysinfo;
 200         enum net_conf_type net_conf_type;
 201         struct interface_config *iface;
 202         char *str, *end;
 203         struct config *config;
 204         int i, n_boot_opts, rc, idx;
 205         unsigned int *order;
 206         char mac[20];
 207
 208         config = config_copy(screen, screen->cui->config);
 209
 210         talloc_free(config->autoboot_opts);
 211         config->n_autoboot_opts = 0;
 212
 213         n_boot_opts = widget_subset_get_order(config, &order,
 214                                               screen->widgets.boot_order_f);
 215
 216         config->autoboot_enabled = n_boot_opts > 0;
 217
 218         config->n_autoboot_opts = n_boot_opts;
 219         config->autoboot_opts = talloc_array(config, struct autoboot_option,
 220                                              n_boot_opts);
 221
 222         for (i = 0; i < n_boot_opts; i++) {
 223                 if (order[i] < sysinfo->n_blockdevs) {
 224                         /* disk uuid */
 225                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_UUID;
 226                         config->autoboot_opts[i].uuid = talloc_strdup(config,
 227                                                         sysinfo->blockdevs[order[i]]->uuid);
 228                 } else if(order[i] < (sysinfo->n_blockdevs + sysinfo->n_interfaces)) {
 229                         /* net uuid */
 230                         order[i] -= sysinfo->n_blockdevs;
 231                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_UUID;
 232                         mac_str(sysinfo->interfaces[order[i]]->hwaddr,
 233                                 sysinfo->interfaces[order[i]]->hwaddr_size,
 234                                 mac, sizeof(mac));
 235                         config->autoboot_opts[i].uuid = talloc_strdup(config, mac);
 236                 } else {
 237                         /* device type */
 238                         order[i] -= (sysinfo->n_blockdevs + sysinfo->n_interfaces);
 239                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_TYPE;
 240                         config->autoboot_opts[i].type = order[i];
 241                 }
 242         }
 243
 244         str = widget_textbox_get_value(screen->widgets.timeout_f);
 245         if (str) {
 246                 unsigned long x;
 247                 errno = 0;
 248                 x = strtoul(str, &end, 10);
 249                 if (!errno && end != str)
 250                         config->autoboot_timeout_sec = x;
 251         }
 252
 253         if (screen->ipmi_override)
 254                 if (widget_checkbox_get_value(screen->widgets.ipmi_clear_cb))
 255                         config->ipmi_bootdev = IPMI_BOOTDEV_INVALID;
 256
 257
 258         net_conf_type = widget_select_get_value(screen->widgets.network_f);
 259
 260         /* if we don't have any network interfaces, prevent per-interface
 261          * configuration */
 262         if (sysinfo->n_interfaces == 0)
 263                 net_conf_type = NET_CONF_TYPE_DHCP_ALL;
 264
 265         if (net_conf_type == NET_CONF_TYPE_DHCP_ALL) {
 266                 config->network.n_interfaces = 0;
 267
 268         } else {
 269                 iface = talloc_zero(config, struct interface_config);
 270                 config->network.n_interfaces = 1;
 271                 config->network.interfaces = talloc_array(config,
 272                                 struct interface_config *, 1);
 273                 config->network.interfaces[0] = iface;
 274
 275                 /* copy hwaddr (from the sysinfo interface data) to
 276                  * the configuration */
 277                 idx = widget_select_get_value(screen->widgets.iface_f);
 278                 memcpy(iface->hwaddr, sysinfo->interfaces[idx]->hwaddr,
 279                                 sizeof(iface->hwaddr));
 280         }
 281
 282         if (net_conf_type == NET_CONF_TYPE_DHCP_ONE) {
 283                 iface->method = CONFIG_METHOD_DHCP;
 284         }
 285
 286         if (net_conf_type == NET_CONF_TYPE_STATIC) {
 287                 char *ip, *mask, *gateway;
 288
 289                 ip = widget_textbox_get_value(screen->widgets.ip_addr_f);
 290                 mask = widget_textbox_get_value(screen->widgets.ip_mask_f);
 291                 gateway = widget_textbox_get_value(screen->widgets.gateway_f);
 292
 293                 if (!ip || !*ip || !mask || !*mask) {
 294                         screen->scr.frame.status =
 295                                 _("No IP / mask values are set");
 296                         nc_scr_frame_draw(&screen->scr);
 297                         talloc_free(config);
 298                         return -1;
 299                 }
 300
 301                 iface->method = CONFIG_METHOD_STATIC;
 302                 iface->static_config.address = talloc_asprintf(iface, "%s/%s",
 303                                 ip, mask);
 304                 iface->static_config.gateway = talloc_strdup(iface, gateway);
 305         }
 306
 307         str = widget_textbox_get_value(screen->widgets.dns_f);
 308         talloc_free(config->network.dns_servers);
 309         config->network.dns_servers = NULL;
 310         config->network.n_dns_servers = 0;
 311
 312         if (str && strlen(str)) {
 313                 char *dns, *tmp;
 314                 int i;
 315
 316                 for (;;) {
 317                         dns = strtok_r(str, " \t", &tmp);
 318
 319                         if (!dns)
 320                                 break;
 321
 322                         i = config->network.n_dns_servers++;
 323                         config->network.dns_servers = talloc_realloc(config,
 324                                         config->network.dns_servers,
 325                                         const char *,
 326                                         config->network.n_dns_servers);
 327                         config->network.dns_servers[i] =
 328                                 talloc_strdup(config, dns);
 329
 330                         str = NULL;
 331                 }
 332         }
 333
 334         config->safe_mode = false;
 335         rc = cui_send_config(screen->cui, config);
 336         talloc_free(config);
 337
 338         if (rc)
 339                 pb_log("cui_send_config failed!\n");
 340         else
 341                 pb_debug("config sent!\n");
 342
 343         return 0;
 344 }
 345
 346 static void ok_click(void *arg)
 347 {
 348         struct config_screen *screen = arg;
 349         if (screen_process_form(screen))
 350                 /* errors are written to the status line, so we'll need
 351                  * to refresh */
 352                 wrefresh(screen->scr.main_ncw);
 353         else
 354                 screen->exit = true;
 355 }
 356
 357 static void help_click(void *arg)
 358 {
 359         struct config_screen *screen = arg;
 360         screen->show_help = true;
 361 }
 362
 363 static void cancel_click(void *arg)
 364 {
 365         struct config_screen *screen = arg;
 366         screen->exit = true;
 367 }
 368
 369 static int layout_pair(struct config_screen *screen, int y,
 370                 struct nc_widget_label *label,
 371                 struct nc_widget *field)
 372 {
 373         struct nc_widget *label_w = widget_label_base(label);
 374         widget_move(label_w, y, screen->label_x);
 375         widget_move(field, y, screen->field_x);
 376         return max(widget_height(label_w), widget_height(field));
 377 }
 378
 379 static void config_screen_layout_widgets(struct config_screen *screen)
 380 {
 381         struct nc_widget *wl, *wf, *wh;
 382         int y, x, help_x;
 383         bool show;
 384
 385         y = 1;
 386         /* currently, the longest label we have is the DNS-servers
 387          * widget, so layout our screen based on that */
 388         help_x = screen->field_x + 2 +
 389                 widget_width(widget_textbox_base(screen->widgets.dns_f));
 390
 391         wl = widget_label_base(screen->widgets.boot_order_l);
 392         widget_set_visible(wl, true);
 393         widget_move(wl, y, screen->label_x);
 394
 395         wf = widget_subset_base(screen->widgets.boot_order_f);
 396         widget_move(wf, y, screen->field_x);
 397         wl = widget_label_base(screen->widgets.boot_empty_l);
 398         widget_move(wl, y, screen->field_x);
 399
 400         if (widget_subset_height(screen->widgets.boot_order_f)) {
 401                 widget_set_visible(wf, true);
 402                 widget_set_visible(wl, false);
 403                 y += widget_height(wf);
 404         } else {
 405                 widget_set_visible(wl, true);
 406                 widget_set_visible(wf, false);
 407                 y += 1;
 408         }
 409
 410         y += 1;
 411
 412         widget_move(widget_button_base(screen->widgets.boot_add_b),
 413                         y, screen->field_x);
 414         widget_move(widget_button_base(screen->widgets.boot_any_b),
 415                         y, screen->field_x + 14);
 416         widget_move(widget_button_base(screen->widgets.boot_none_b),
 417                         y, screen->field_x + 34);
 418
 419         wf = widget_button_base(screen->widgets.boot_add_b);
 420         if (widget_subset_n_inactive(screen->widgets.boot_order_f))
 421                 widget_set_visible(wf, true);
 422         else
 423                 widget_set_visible(wf, false);
 424
 425         y += 2;
 426
 427         wf = widget_textbox_base(screen->widgets.timeout_f);
 428         wl = widget_label_base(screen->widgets.timeout_l);
 429         wh = widget_label_base(screen->widgets.timeout_help_l);
 430         widget_set_visible(wl, screen->autoboot_enabled);
 431         widget_set_visible(wf, screen->autoboot_enabled);
 432         widget_set_visible(wh, screen->autoboot_enabled);
 433         if (screen->autoboot_enabled) {
 434                 widget_set_visible(wh, screen->autoboot_enabled);
 435                 widget_move(wl, y, screen->label_x);
 436                 widget_move(wf, y, screen->field_x);
 437                 widget_move(wh, y, screen->field_x + widget_width(wf) + 1);
 438                 y += 2;
 439         }
 440
 441         if (screen->ipmi_override) {
 442                 wl = widget_label_base(screen->widgets.ipmi_type_l);
 443                 widget_set_visible(wl, true);
 444                 widget_move(wl, y, screen->label_x);
 445                 y += 1;
 446
 447                 wl = widget_label_base(screen->widgets.ipmi_clear_l);
 448                 wf = widget_checkbox_base(screen->widgets.ipmi_clear_cb);
 449                 widget_set_visible(wl, true);
 450                 widget_set_visible(wf, true);
 451                 widget_move(wl, y, screen->label_x);
 452                 widget_move(wf, y, screen->field_x);
 453                 y += 1;
 454         }
 455
 456         y += 1;
 457
 458         y += layout_pair(screen, y, screen->widgets.network_l,
 459                         widget_select_base(screen->widgets.network_f));
 460
 461         y += 1;
 462
 463         /* conditionally show iface select */
 464         wl = widget_label_base(screen->widgets.iface_l);
 465         wf = widget_select_base(screen->widgets.iface_f);
 466
 467         show = screen->net_conf_type == NET_CONF_TYPE_DHCP_ONE ||
 468                 screen->net_conf_type == NET_CONF_TYPE_STATIC;
 469
 470         widget_set_visible(wl, show);
 471         widget_set_visible(wf, show);
 472
 473         if (show)
 474                 y += layout_pair(screen, y, screen->widgets.iface_l, wf) + 1;
 475
 476         /* conditionally show static IP params */
 477         show = screen->net_conf_type == NET_CONF_TYPE_STATIC;
 478
 479         wl = widget_label_base(screen->widgets.ip_addr_l);
 480         wf = widget_textbox_base(screen->widgets.ip_addr_f);
 481         widget_set_visible(wl, show);
 482         widget_set_visible(wf, show);
 483         x = screen->field_x + widget_width(wf) + 1;
 484
 485         if (show)
 486                 layout_pair(screen, y, screen->widgets.ip_addr_l, wf);
 487
 488         wl = widget_label_base(screen->widgets.ip_mask_l);
 489         wf = widget_textbox_base(screen->widgets.ip_mask_f);
 490         widget_set_visible(wl, show);
 491         widget_set_visible(wf, show);
 492
 493         if (show) {
 494                 widget_move(wl, y, x);
 495                 widget_move(wf, y, x + 2);
 496         }
 497
 498         /* help for IP/mask */
 499         wh = widget_label_base(screen->widgets.ip_addr_mask_help_l);
 500         widget_set_visible(wh, show);
 501         if (show) {
 502                 widget_move(wh, y, help_x);
 503                 y++;
 504         }
 505
 506         wl = widget_label_base(screen->widgets.gateway_l);
 507         wf = widget_textbox_base(screen->widgets.gateway_f);
 508         wh = widget_label_base(screen->widgets.gateway_help_l);
 509         widget_set_visible(wl, show);
 510         widget_set_visible(wf, show);
 511         widget_set_visible(wh, show);
 512
 513         if (show) {
 514                 layout_pair(screen, y, screen->widgets.gateway_l, wf);
 515                 widget_move(wh, y, help_x);
 516                 y++;
 517         }
 518
 519         wh = widget_label_base(screen->widgets.dns_help_l);
 520         layout_pair(screen, y, screen->widgets.dns_l,
 521                         widget_textbox_base(screen->widgets.dns_f));
 522         widget_move(wh, y, help_x);
 523         y++;
 524
 525         /* we show the DNS/DHCP help if we're configuring DHCP */
 526         show = screen->net_conf_type != NET_CONF_TYPE_STATIC;
 527         wl = widget_label_base(screen->widgets.dns_dhcp_help_l);
 528         widget_set_visible(wl, show);
 529         if (show) {
 530                 widget_move(wl, y, screen->field_x);
 531                 y += 1;
 532         }
 533
 534         y += 1;
 535
 536         show = screen->cui->config->safe_mode;
 537         if (show) {
 538                 widget_move(widget_label_base(screen->widgets.safe_mode),
 539                         y, screen->field_x);
 540                 y += 1;
 541         }
 542
 543         widget_move(widget_button_base(screen->widgets.ok_b),
 544                         y, screen->field_x);
 545         widget_move(widget_button_base(screen->widgets.help_b),
 546                         y, screen->field_x + 10);
 547         widget_move(widget_button_base(screen->widgets.cancel_b),
 548                         y, screen->field_x + 24);
 549 }
 550
 551 static void config_screen_network_change(void *arg, int value)
 552 {
 553         struct config_screen *screen = arg;
 554         screen->net_conf_type = value;
 555         widgetset_unpost(screen->widgetset);
 556         config_screen_layout_widgets(screen);
 557         widgetset_post(screen->widgetset);
 558 }
 559
 560 static void config_screen_boot_order_change(void *arg, int value)
 561 {
 562         (void)value;
 563         struct config_screen *screen = arg;
 564         widgetset_unpost(screen->widgetset);
 565         config_screen_layout_widgets(screen);
 566         widgetset_post(screen->widgetset);
 567 }
 568
 569 static void config_screen_add_device(void *arg)
 570 {
 571         struct config_screen *screen = arg;
 572
 573         screen->show_subset = true;
 574         cui_show_subset(screen->cui, _("Select a boot device to add"),
 575                         screen->widgets.boot_order_f);
 576 }
 577
 578 static void config_screen_autoboot_none(void *arg)
 579 {
 580         struct config_screen *screen = arg;
 581         struct nc_widget_subset *subset = screen->widgets.boot_order_f;
 582
 583         widget_subset_clear_active(subset);
 584         screen->autoboot_enabled = false;
 585
 586         widgetset_unpost(screen->widgetset);
 587         config_screen_layout_widgets(screen);
 588         widgetset_post(screen->widgetset);
 589 }
 590
 591 static void config_screen_autoboot_any(void *arg)
 592 {
 593         struct config_screen *screen = arg;
 594         const struct system_info *sysinfo = screen->cui->sysinfo;
 595         struct nc_widget_subset *subset = screen->widgets.boot_order_f;
 596         int idx;
 597
 598         widget_subset_clear_active(subset);
 599
 600         idx = sysinfo->n_blockdevs + sysinfo->n_interfaces + DEVICE_TYPE_ANY;
 601
 602         widget_subset_make_active(screen->widgets.boot_order_f, idx);
 603
 604         screen->autoboot_enabled = true;
 605
 606         widgetset_unpost(screen->widgetset);
 607         config_screen_layout_widgets(screen);
 608         widgetset_post(screen->widgetset);
 609 }
 610
 611 static void config_screen_update_subset(void *arg,
 612                         struct nc_widget_subset *subset, int idx)
 613 {
 614         struct config_screen *screen = arg;
 615
 616         if (idx >= 0)
 617                 widget_subset_make_active(subset, idx);
 618         if (!screen->autoboot_enabled)
 619                 screen->autoboot_enabled = true;
 620         config_screen_layout_widgets(screen);
 621 }
 622
 623 static struct interface_config *first_active_interface(
 624                 const struct config *config)
 625 {
 626         unsigned int i;
 627
 628         for (i = 0; i < config->network.n_interfaces; i++) {
 629                 if (config->network.interfaces[i]->ignore)
 630                         continue;
 631                 return config->network.interfaces[i];
 632         }
 633         return NULL;
 634 }
 635
 636 static enum net_conf_type find_net_conf_type(const struct config *config)
 637 {
 638         struct interface_config *ifcfg;
 639
 640         ifcfg = first_active_interface(config);
 641
 642         if (!ifcfg)
 643                 return NET_CONF_TYPE_DHCP_ALL;
 644
 645         else if (ifcfg->method == CONFIG_METHOD_DHCP)
 646                 return NET_CONF_TYPE_DHCP_ONE;
 647
 648         else if (ifcfg->method == CONFIG_METHOD_STATIC)
 649                 return NET_CONF_TYPE_STATIC;
 650
 651         assert(0);
 652         return NET_CONF_TYPE_DHCP_ALL;
 653 }
 654
 655 static void config_screen_setup_empty(struct config_screen *screen)
 656 {
 657         widget_new_label(screen->widgetset, 2, screen->field_x,
 658                         _("Waiting for configuration data..."));
 659         screen->widgets.cancel_b = widget_new_button(screen->widgetset,
 660                         4, screen->field_x, 9, _("Cancel"),
 661                         cancel_click, screen);
 662 }
 663
 664 static int find_autoboot_idx(const struct system_info *sysinfo,
 665                 struct autoboot_option *opt)
 666 {
 667         unsigned int i;
 668
 669         if (opt->boot_type == BOOT_DEVICE_TYPE)
 670                 return sysinfo->n_blockdevs + sysinfo->n_interfaces + opt->type;
 671
 672         for (i = 0; i < sysinfo->n_blockdevs; i++) {
 673                 if (!strcmp(sysinfo->blockdevs[i]->uuid, opt->uuid))
 674                         return i;
 675         }
 676
 677         for (i = 0; i < sysinfo->n_interfaces; i++) {
 678                 struct interface_info *info = sysinfo->interfaces[i];
 679                 char mac[20];
 680
 681                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 682
 683                 if (!strcmp(mac, opt->uuid))
 684                         return sysinfo->n_blockdevs + i;
 685         }
 686
 687         return -1;
 688 }
 689
 690 static void config_screen_setup_widgets(struct config_screen *screen,
 691                 const struct config *config,
 692                 const struct system_info *sysinfo)
 693 {
 694         struct nc_widgetset *set = screen->widgetset;
 695         struct interface_config *ifcfg;
 696         char *str, *ip, *mask, *gw;
 697         enum net_conf_type type;
 698         unsigned int i;
 699
 700         build_assert(sizeof(screen->widgets) / sizeof(struct widget *)
 701                         == N_FIELDS);
 702
 703         type = screen->net_conf_type;
 704         ifcfg = first_active_interface(config);
 705
 706         screen->widgets.boot_add_b = widget_new_button(set, 0, 0, 10,
 707                                         _("Add Device"),
 708                                         config_screen_add_device, screen);
 709
 710         screen->widgets.boot_none_b = widget_new_button(set, 0, 0, 10,
 711                                         _("Clear"),
 712                                         config_screen_autoboot_none, screen);
 713
 714         screen->widgets.boot_any_b = widget_new_button(set, 0, 0, 16,
 715                                         _("Clear & Boot Any"),
 716                                         config_screen_autoboot_any, screen);
 717
 718         screen->widgets.boot_order_l = widget_new_label(set, 0, 0,
 719                                         _("Boot Order:"));
 720         screen->widgets.boot_order_f = widget_new_subset(set, 0, 0,
 721                                         COLS - screen->field_x,
 722                                         config_screen_update_subset);
 723         screen->widgets.boot_empty_l = widget_new_label(set, 0, 0,
 724                                         _("(None)"));
 725
 726         widget_subset_on_change(screen->widgets.boot_order_f,
 727                         config_screen_boot_order_change, screen);
 728
 729         for (i = 0; i < sysinfo->n_blockdevs; i++) {
 730                 struct blockdev_info *bd = sysinfo->blockdevs[i];
 731                 char *label;
 732
 733                 label = talloc_asprintf(screen, _("disk: %s [uuid: %s]"),
 734                                 bd->name, bd->uuid);
 735
 736                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 737         }
 738
 739         for (i = 0; i < sysinfo->n_interfaces; i++) {
 740                 struct interface_info *info = sysinfo->interfaces[i];
 741                 char *label, mac[20];
 742
 743                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 744
 745                 label = talloc_asprintf(screen, _("net:  %s [mac: %s]"),
 746                                 info->name, mac);
 747
 748                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 749         }
 750
 751         for (i = DEVICE_TYPE_NETWORK; i < DEVICE_TYPE_NETWORK + 4; i++) {
 752                 char *label;
 753
 754                 if (i == DEVICE_TYPE_ANY)
 755                         label = talloc_asprintf(screen, _("Any Device"));
 756                 else
 757                         label = talloc_asprintf(screen, _("Any %s device"),
 758                                                 device_type_display_name(i));
 759
 760                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 761         }
 762
 763         screen->autoboot_enabled = config->n_autoboot_opts;
 764         for (i = 0; i < config->n_autoboot_opts; i++) {
 765                 struct autoboot_option *opt = &config->autoboot_opts[i];
 766                 int idx;
 767
 768                 idx = find_autoboot_idx(sysinfo, opt);
 769
 770                 if (idx >= 0) {
 771                         widget_subset_make_active(screen->widgets.boot_order_f,
 772                                                   idx);
 773                 } else {
 774                         if (opt->boot_type == BOOT_DEVICE_TYPE)
 775                                 pb_log("%s: Unknown autoboot option: %d\n",
 776                                        __func__, opt->type);
 777                         else
 778                                 pb_log("%s: Unknown autoboot UUID: %s\n",
 779                                        __func__, opt->uuid);
 780                 }
 781         }
 782
 783
 784         str = talloc_asprintf(screen, "%d", config->autoboot_timeout_sec);
 785         screen->widgets.timeout_l = widget_new_label(set, 0, 0, _("Timeout:"));
 786         screen->widgets.timeout_f = widget_new_textbox(set, 0, 0, 5, str);
 787         screen->widgets.timeout_help_l = widget_new_label(set, 0, 0,
 788                                         _("seconds"));
 789
 790         widget_textbox_set_fixed_size(screen->widgets.timeout_f);
 791         widget_textbox_set_validator_integer(screen->widgets.timeout_f, 0, 999);
 792
 793         if (config->ipmi_bootdev) {
 794                 char *label = talloc_asprintf(screen,
 795                                 _("%s IPMI boot option: %s"),
 796                                 config->ipmi_bootdev_persistent ?
 797                                 "Persistent" : "Temporary",
 798                                 ipmi_bootdev_display_name(config->ipmi_bootdev));
 799                 screen->widgets.ipmi_type_l = widget_new_label(set, 0, 0,
 800                                                         label);
 801                 screen->widgets.ipmi_clear_l = widget_new_label(set, 0, 0,
 802                                                         _("Clear option:"));
 803                 screen->widgets.ipmi_clear_cb = widget_new_checkbox(set, 0, 0,
 804                                                         false);
 805                 screen->ipmi_override = true;
 806         }
 807
 808         screen->widgets.network_l = widget_new_label(set, 0, 0, _("Network:"));
 809         screen->widgets.network_f = widget_new_select(set, 0, 0, 50);
 810
 811         widget_select_add_option(screen->widgets.network_f,
 812                                         NET_CONF_TYPE_DHCP_ALL,
 813                                         _("DHCP on all active interfaces"),
 814                                         type == NET_CONF_TYPE_DHCP_ALL);
 815         widget_select_add_option(screen->widgets.network_f,
 816                                         NET_CONF_TYPE_DHCP_ONE,
 817                                         _("DHCP on a specific interface"),
 818                                         type == NET_CONF_TYPE_DHCP_ONE);
 819         widget_select_add_option(screen->widgets.network_f,
 820                                         NET_CONF_TYPE_STATIC,
 821                                         _("Static IP configuration"),
 822                                         type == NET_CONF_TYPE_STATIC);
 823
 824         widget_select_on_change(screen->widgets.network_f,
 825                         config_screen_network_change, screen);
 826
 827         screen->widgets.iface_l = widget_new_label(set, 0, 0, _("Device:"));
 828         screen->widgets.iface_f = widget_new_select(set, 0, 0, 50);
 829
 830         for (i = 0; i < sysinfo->n_interfaces; i++) {
 831                 struct interface_info *info = sysinfo->interfaces[i];
 832                 char str[50], mac[20];
 833                 bool is_default;
 834
 835                 is_default = ifcfg && !memcmp(ifcfg->hwaddr, info->hwaddr,
 836                                         sizeof(ifcfg->hwaddr));
 837
 838                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 839                 snprintf(str, sizeof(str), "%s [%s, %s]", info->name, mac,
 840                                 info->link ? _("link up") : _("link down"));
 841
 842                 widget_select_add_option(screen->widgets.iface_f,
 843                                                 i, str, is_default);
 844         }
 845
 846         gw = ip = mask = NULL;
 847         if (ifcfg && ifcfg->method == CONFIG_METHOD_STATIC) {
 848                 char *sep;
 849
 850                 str = talloc_strdup(screen, ifcfg->static_config.address);
 851                 sep = strchr(str, '/');
 852                 ip = str;
 853
 854                 if (sep) {
 855                         *sep = '\0';
 856                         mask = sep + 1;
 857                 }
 858                 gw = ifcfg->static_config.gateway;
 859         }
 860
 861         screen->widgets.ip_addr_l = widget_new_label(set, 0, 0, _("IP/mask:"));
 862         screen->widgets.ip_addr_f = widget_new_textbox(set, 0, 0, 16, ip);
 863         screen->widgets.ip_mask_l = widget_new_label(set, 0, 0, "/");
 864         screen->widgets.ip_mask_f = widget_new_textbox(set, 0, 0, 3, mask);
 865         screen->widgets.ip_addr_mask_help_l =
 866                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.10 / 24)"));
 867
 868         widget_textbox_set_fixed_size(screen->widgets.ip_addr_f);
 869         widget_textbox_set_fixed_size(screen->widgets.ip_mask_f);
 870         widget_textbox_set_validator_ipv4(screen->widgets.ip_addr_f);
 871         widget_textbox_set_validator_integer(screen->widgets.ip_mask_f, 1, 31);
 872
 873         screen->widgets.gateway_l = widget_new_label(set, 0, 0, _("Gateway:"));
 874         screen->widgets.gateway_f = widget_new_textbox(set, 0, 0, 16, gw);
 875         screen->widgets.gateway_help_l =
 876                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.1)"));
 877
 878         widget_textbox_set_fixed_size(screen->widgets.gateway_f);
 879         widget_textbox_set_validator_ipv4(screen->widgets.gateway_f);
 880
 881         str = talloc_strdup(screen, "");
 882         for (i = 0; i < config->network.n_dns_servers; i++) {
 883                 str = talloc_asprintf_append(str, "%s%s",
 884                                 (i == 0) ? "" : " ",
 885                                 config->network.dns_servers[i]);
 886         }
 887
 888         screen->widgets.dns_l = widget_new_label(set, 0, 0,
 889                                         _("DNS Server(s):"));
 890         screen->widgets.dns_f = widget_new_textbox(set, 0, 0, 32, str);
 891         screen->widgets.dns_help_l =
 892                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.2)"));
 893
 894         widget_textbox_set_validator_ipv4_multi(screen->widgets.dns_f);
 895
 896         screen->widgets.dns_dhcp_help_l = widget_new_label(set, 0, 0,
 897                         _("(if not provided by DHCP server)"));
 898
 899         if (config->safe_mode)
 900                 screen->widgets.safe_mode = widget_new_label(set, 0, 0,
 901                          _("Selecting 'OK' will exit safe mode"));
 902
 903         screen->widgets.ok_b = widget_new_button(set, 0, 0, 6, _("OK"),
 904                         ok_click, screen);
 905         screen->widgets.help_b = widget_new_button(set, 0, 0, 10, _("Help"),
 906                         help_click, screen);
 907         screen->widgets.cancel_b = widget_new_button(set, 0, 0, 10, _("Cancel"),
 908                         cancel_click, screen);
 909 }
 910
 911 static void config_screen_widget_focus(struct nc_widget *widget, void *arg)
 912 {
 913         struct config_screen *screen = arg;
 914         int w_y, s_max;
 915
 916         w_y = widget_y(widget) + widget_focus_y(widget);
 917         s_max = getmaxy(screen->scr.sub_ncw) - 1;
 918
 919         if (w_y < screen->scroll_y)
 920                 screen->scroll_y = w_y;
 921
 922         else if (w_y + screen->scroll_y + 1 > s_max)
 923                 screen->scroll_y = 1 + w_y - s_max;
 924
 925         else
 926                 return;
 927
 928         pad_refresh(screen);
 929 }
 930
 931 static void config_screen_draw(struct config_screen *screen,
 932                 const struct config *config,
 933                 const struct system_info *sysinfo)
 934 {
 935         bool repost = false;
 936         int height;
 937
 938         /* The size of the pad we'll need depends on the number of interfaces.
 939          *
 940          * We use N_FIELDS (which is quite conservative, as some fields share
 941          * a line) as a base, then:
 942          * - add 6 (as the network select & boot device select fields take 3
 943          *   lines each),
 944          * - add n_interfaces for every field in the network select field, and
 945          * - add (n_blockdevs + n_interfaces) for every field in the boot device
 946          *   select field
 947          */
 948         height = N_FIELDS + 6;
 949         if (sysinfo) {
 950                 height += sysinfo->n_interfaces;
 951                 height += (sysinfo->n_blockdevs + sysinfo->n_interfaces);
 952         }
 953         if (!screen->pad || getmaxy(screen->pad) < height) {
 954                 if (screen->pad)
 955                         delwin(screen->pad);
 956                 screen->pad = newpad(height, COLS + 10);
 957         }
 958
 959         if (screen->widgetset) {
 960                 widgetset_unpost(screen->widgetset);
 961                 talloc_free(screen->widgetset);
 962                 repost = true;
 963         }
 964
 965         screen->widgetset = widgetset_create(screen, screen->scr.main_ncw,
 966                         screen->pad);
 967         widgetset_set_widget_focus(screen->widgetset,
 968                         config_screen_widget_focus, screen);
 969
 970         if (!config || !sysinfo) {
 971                 config_screen_setup_empty(screen);
 972         } else {
 973                 screen->net_conf_type = find_net_conf_type(config);
 974                 config_screen_setup_widgets(screen, config, sysinfo);
 975                 config_screen_layout_widgets(screen);
 976         }
 977
 978         if (repost)
 979                 widgetset_post(screen->widgetset);
 980 }
 981
 982 void config_screen_update(struct config_screen *screen,
 983                 const struct config *config,
 984                 const struct system_info *sysinfo)
 985 {
 986         config_screen_draw(screen, config, sysinfo);
 987         pad_refresh(screen);
 988 }
 989
 990 static int config_screen_destroy(void *arg)
 991 {
 992         struct config_screen *screen = arg;
 993         if (screen->pad)
 994                 delwin(screen->pad);
 995         return 0;
 996 }
 997
 998 struct config_screen *config_screen_init(struct cui *cui,
 999                 const struct config *config,
1000                 const struct system_info *sysinfo,
1001                 void (*on_exit)(struct cui *))
1002 {
1003         struct config_screen *screen;
1004
1005         screen = talloc_zero(cui, struct config_screen);
1006         talloc_set_destructor(screen, config_screen_destroy);
1007         nc_scr_init(&screen->scr, pb_config_screen_sig, 0,
1008                         cui, config_screen_process_key,
1009                         config_screen_post, config_screen_unpost,
1010                         config_screen_resize);
1011
1012         screen->cui = cui;
1013         screen->on_exit = on_exit;
1014         screen->need_redraw = false;
1015         screen->label_x = 2;
1016         screen->field_x = 17;
1017
1018         screen->ipmi_override = false;
1019         screen->show_subset = false;
1020
1021         screen->scr.frame.ltitle = talloc_strdup(screen,
1022                         _("Petitboot System Configuration"));
1023         screen->scr.frame.rtitle = NULL;
1024         screen->scr.frame.help = talloc_strdup(screen,
1025                         _("tab=next, shift+tab=previous, x=exit, h=help"));
1026         nc_scr_frame_draw(&screen->scr);
1027
1028         scrollok(screen->scr.sub_ncw, true);
1029
1030         config_screen_draw(screen, config, sysinfo);
1031
1032         return screen;
1033 }