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         help_x = screen->field_x + 2 +
 387                 widget_width(widget_textbox_base(screen->widgets.dns_f));
 388
 389         y += 1;
 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 + 12);
 416         widget_move(widget_button_base(screen->widgets.boot_none_b),
 417                         y, screen->field_x + 30);
 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         if (screen->autoboot_enabled) {
 433                 widget_set_visible(wh, screen->autoboot_enabled);
 434                 widget_move(wl, y, screen->label_x);
 435                 widget_move(wf, y, screen->field_x);
 436                 widget_move(wh, y, screen->field_x + widget_width(wf) + 1);
 437                 y += 2;
 438         }
 439
 440         if (screen->ipmi_override) {
 441                 wl = widget_label_base(screen->widgets.ipmi_type_l);
 442                 widget_set_visible(wl, true);
 443                 widget_move(wl, y, screen->label_x);
 444                 y += 1;
 445
 446                 wl = widget_label_base(screen->widgets.ipmi_clear_l);
 447                 wf = widget_checkbox_base(screen->widgets.ipmi_clear_cb);
 448                 widget_set_visible(wl, true);
 449                 widget_set_visible(wf, true);
 450                 widget_move(wl, y, screen->label_x);
 451                 widget_move(wf, y, screen->field_x);
 452                 y += 1;
 453         }
 454
 455         y += 2;
 456
 457         y += layout_pair(screen, y, screen->widgets.network_l,
 458                         widget_select_base(screen->widgets.network_f));
 459
 460         y += 1;
 461
 462         /* conditionally show iface select */
 463         wl = widget_label_base(screen->widgets.iface_l);
 464         wf = widget_select_base(screen->widgets.iface_f);
 465
 466         show = screen->net_conf_type == NET_CONF_TYPE_DHCP_ONE ||
 467                 screen->net_conf_type == NET_CONF_TYPE_STATIC;
 468
 469         widget_set_visible(wl, show);
 470         widget_set_visible(wf, show);
 471
 472         if (show)
 473                 y += layout_pair(screen, y, screen->widgets.iface_l, wf) + 1;
 474
 475         /* conditionally show static IP params */
 476         show = screen->net_conf_type == NET_CONF_TYPE_STATIC;
 477
 478         wl = widget_label_base(screen->widgets.ip_addr_l);
 479         wf = widget_textbox_base(screen->widgets.ip_addr_f);
 480         widget_set_visible(wl, show);
 481         widget_set_visible(wf, show);
 482         x = screen->field_x + widget_width(wf) + 1;
 483
 484         if (show)
 485                 layout_pair(screen, y, screen->widgets.ip_addr_l, wf);
 486
 487         wl = widget_label_base(screen->widgets.ip_mask_l);
 488         wf = widget_textbox_base(screen->widgets.ip_mask_f);
 489         widget_set_visible(wl, show);
 490         widget_set_visible(wf, show);
 491
 492         if (show) {
 493                 widget_move(wl, y, x);
 494                 widget_move(wf, y, x + 2);
 495         }
 496
 497         /* help for IP/mask */
 498         wh = widget_label_base(screen->widgets.ip_addr_mask_help_l);
 499         widget_set_visible(wh, show);
 500         if (show) {
 501                 widget_move(wh, y, help_x);
 502                 y++;
 503         }
 504
 505         wl = widget_label_base(screen->widgets.gateway_l);
 506         wf = widget_textbox_base(screen->widgets.gateway_f);
 507         wh = widget_label_base(screen->widgets.gateway_help_l);
 508         widget_set_visible(wl, show);
 509         widget_set_visible(wf, show);
 510         widget_set_visible(wh, show);
 511
 512         if (show) {
 513                 layout_pair(screen, y, screen->widgets.gateway_l, wf);
 514                 widget_move(wh, y, help_x);
 515                 y++;
 516         }
 517
 518         wh = widget_label_base(screen->widgets.dns_help_l);
 519         layout_pair(screen, y, screen->widgets.dns_l,
 520                         widget_textbox_base(screen->widgets.dns_f));
 521         widget_move(wh, y, help_x);
 522         y++;
 523
 524         /* we show the DNS/DHCP help if we're configuring DHCP */
 525         show = screen->net_conf_type != NET_CONF_TYPE_STATIC;
 526         wl = widget_label_base(screen->widgets.dns_dhcp_help_l);
 527         widget_set_visible(wl, show);
 528         if (show) {
 529                 widget_move(wl, y, screen->field_x);
 530                 y += 1;
 531         }
 532
 533         y += 1;
 534
 535         show = screen->cui->config->safe_mode;
 536         if (show) {
 537                 widget_move(widget_label_base(screen->widgets.safe_mode),
 538                         y, screen->field_x);
 539                 y += 1;
 540         }
 541
 542         widget_move(widget_button_base(screen->widgets.ok_b),
 543                         y, screen->field_x);
 544         widget_move(widget_button_base(screen->widgets.help_b),
 545                         y, screen->field_x + 10);
 546         widget_move(widget_button_base(screen->widgets.cancel_b),
 547                         y, screen->field_x + 24);
 548 }
 549
 550 static void config_screen_network_change(void *arg, int value)
 551 {
 552         struct config_screen *screen = arg;
 553         screen->net_conf_type = value;
 554         widgetset_unpost(screen->widgetset);
 555         config_screen_layout_widgets(screen);
 556         widgetset_post(screen->widgetset);
 557 }
 558
 559 static void config_screen_boot_order_change(void *arg, int value)
 560 {
 561         (void)value;
 562         struct config_screen *screen = arg;
 563         widgetset_unpost(screen->widgetset);
 564         config_screen_layout_widgets(screen);
 565         widgetset_post(screen->widgetset);
 566 }
 567
 568 static void config_screen_add_device(void *arg)
 569 {
 570         struct config_screen *screen = arg;
 571
 572         screen->show_subset = true;
 573         cui_show_subset(screen->cui, _("Select an option"),
 574                         screen->widgets.boot_order_f);
 575 }
 576
 577 static void config_screen_autoboot_none(void *arg)
 578 {
 579         struct config_screen *screen = arg;
 580         struct nc_widget_subset *subset = screen->widgets.boot_order_f;
 581
 582         widget_subset_clear_active(subset);
 583         screen->autoboot_enabled = false;
 584
 585         widgetset_unpost(screen->widgetset);
 586         config_screen_layout_widgets(screen);
 587         widgetset_post(screen->widgetset);
 588 }
 589
 590 static void config_screen_autoboot_any(void *arg)
 591 {
 592         struct config_screen *screen = arg;
 593         const struct system_info *sysinfo = screen->cui->sysinfo;
 594         struct nc_widget_subset *subset = screen->widgets.boot_order_f;
 595         int idx;
 596
 597         widget_subset_clear_active(subset);
 598
 599         idx = sysinfo->n_blockdevs + sysinfo->n_interfaces + DEVICE_TYPE_ANY;
 600
 601         widget_subset_make_active(screen->widgets.boot_order_f, idx);
 602
 603         screen->autoboot_enabled = true;
 604
 605         widgetset_unpost(screen->widgetset);
 606         config_screen_layout_widgets(screen);
 607         widgetset_post(screen->widgetset);
 608 }
 609
 610 static void config_screen_update_subset(void *arg,
 611                         struct nc_widget_subset *subset, int idx)
 612 {
 613         struct config_screen *screen = arg;
 614
 615         if (idx >= 0)
 616                 widget_subset_make_active(subset, idx);
 617         if (!screen->autoboot_enabled)
 618                 screen->autoboot_enabled = true;
 619         config_screen_layout_widgets(screen);
 620 }
 621
 622 static struct interface_config *first_active_interface(
 623                 const struct config *config)
 624 {
 625         unsigned int i;
 626
 627         for (i = 0; i < config->network.n_interfaces; i++) {
 628                 if (config->network.interfaces[i]->ignore)
 629                         continue;
 630                 return config->network.interfaces[i];
 631         }
 632         return NULL;
 633 }
 634
 635 static enum net_conf_type find_net_conf_type(const struct config *config)
 636 {
 637         struct interface_config *ifcfg;
 638
 639         ifcfg = first_active_interface(config);
 640
 641         if (!ifcfg)
 642                 return NET_CONF_TYPE_DHCP_ALL;
 643
 644         else if (ifcfg->method == CONFIG_METHOD_DHCP)
 645                 return NET_CONF_TYPE_DHCP_ONE;
 646
 647         else if (ifcfg->method == CONFIG_METHOD_STATIC)
 648                 return NET_CONF_TYPE_STATIC;
 649
 650         assert(0);
 651         return NET_CONF_TYPE_DHCP_ALL;
 652 }
 653
 654 static void config_screen_setup_empty(struct config_screen *screen)
 655 {
 656         widget_new_label(screen->widgetset, 2, screen->field_x,
 657                         _("Waiting for configuration data..."));
 658         screen->widgets.cancel_b = widget_new_button(screen->widgetset,
 659                         4, screen->field_x, 9, _("Cancel"),
 660                         cancel_click, screen);
 661 }
 662
 663 static int find_autoboot_idx(const struct system_info *sysinfo,
 664                 struct autoboot_option *opt)
 665 {
 666         unsigned int i;
 667
 668         if (opt->boot_type == BOOT_DEVICE_TYPE)
 669                 return sysinfo->n_blockdevs + sysinfo->n_interfaces + opt->type;
 670
 671         for (i = 0; i < sysinfo->n_blockdevs; i++) {
 672                 if (!strcmp(sysinfo->blockdevs[i]->uuid, opt->uuid))
 673                         return i;
 674         }
 675
 676         for (i = 0; i < sysinfo->n_interfaces; i++) {
 677                 struct interface_info *info = sysinfo->interfaces[i];
 678                 char mac[20];
 679
 680                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 681
 682                 if (!strcmp(mac, opt->uuid))
 683                         return sysinfo->n_blockdevs + i;
 684         }
 685
 686         return -1;
 687 }
 688
 689 static void config_screen_setup_widgets(struct config_screen *screen,
 690                 const struct config *config,
 691                 const struct system_info *sysinfo)
 692 {
 693         struct nc_widgetset *set = screen->widgetset;
 694         struct interface_config *ifcfg;
 695         char *str, *ip, *mask, *gw;
 696         enum net_conf_type type;
 697         unsigned int i;
 698
 699         build_assert(sizeof(screen->widgets) / sizeof(struct widget *)
 700                         == N_FIELDS);
 701
 702         type = screen->net_conf_type;
 703         ifcfg = first_active_interface(config);
 704
 705         screen->widgets.boot_add_b = widget_new_button(set, 0, 0, 10,
 706                                         _("Add Device"), config_screen_add_device,
 707                                         screen);
 708
 709         screen->widgets.boot_none_b = widget_new_button(set, 0, 0, 10,
 710                                         _("Clear"),
 711                                         config_screen_autoboot_none, screen);
 712
 713         screen->widgets.boot_any_b = widget_new_button(set, 0, 0, 16,
 714                                         _("Clear & Boot Any"), config_screen_autoboot_any,
 715                                         screen);
 716
 717         screen->widgets.boot_order_l = widget_new_label(set, 0, 0,
 718                                         _("Boot order:"));
 719         screen->widgets.boot_order_f = widget_new_subset(set, 0, 0,
 720                                         COLS - screen->field_x,
 721                                         config_screen_update_subset);
 722         screen->widgets.boot_empty_l = widget_new_label(set, 0, 0,
 723                                         _("(None)"));
 724
 725         widget_subset_on_change(screen->widgets.boot_order_f,
 726                         config_screen_boot_order_change, screen);
 727
 728         for (i = 0; i < sysinfo->n_blockdevs; i++) {
 729                 struct blockdev_info *bd = sysinfo->blockdevs[i];
 730                 char *label;
 731
 732                 label = talloc_asprintf(screen, _("disk: %s [uuid: %s]"),
 733                                 bd->name, bd->uuid);
 734
 735                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 736         }
 737
 738         for (i = 0; i < sysinfo->n_interfaces; i++) {
 739                 struct interface_info *info = sysinfo->interfaces[i];
 740                 char *label, mac[20];
 741
 742                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 743
 744                 label = talloc_asprintf(screen, _("net:  %s [mac: %s]"),
 745                                 info->name, mac);
 746
 747                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 748         }
 749
 750         for (i = DEVICE_TYPE_NETWORK; i < DEVICE_TYPE_NETWORK + 4; i++) {
 751                 char *label;
 752
 753                 if (i == DEVICE_TYPE_ANY)
 754                         label = talloc_asprintf(screen, _("Any Device"));
 755                 else
 756                         label = talloc_asprintf(screen, _("Any %s device"),
 757                                                 device_type_display_name(i));
 758
 759                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 760         }
 761
 762         screen->autoboot_enabled = config->n_autoboot_opts;
 763         for (i = 0; i < config->n_autoboot_opts; i++) {
 764                 struct autoboot_option *opt = &config->autoboot_opts[i];
 765                 int idx;
 766
 767                 idx = find_autoboot_idx(sysinfo, opt);
 768
 769                 if (idx >= 0) {
 770                         widget_subset_make_active(screen->widgets.boot_order_f,
 771                                                   idx);
 772                 } else {
 773                         if (opt->boot_type == BOOT_DEVICE_TYPE)
 774                                 pb_log("%s: Unknown autoboot option: %d\n",
 775                                        __func__, opt->type);
 776                         else
 777                                 pb_log("%s: Unknown autoboot UUID: %s\n",
 778                                        __func__, opt->uuid);
 779                 }
 780         }
 781
 782
 783         str = talloc_asprintf(screen, "%d", config->autoboot_timeout_sec);
 784         screen->widgets.timeout_l = widget_new_label(set, 0, 0, _("Timeout:"));
 785         screen->widgets.timeout_f = widget_new_textbox(set, 0, 0, 5, str);
 786         screen->widgets.timeout_help_l = widget_new_label(set, 0, 0,
 787                                         _("seconds"));
 788
 789         widget_textbox_set_fixed_size(screen->widgets.timeout_f);
 790         widget_textbox_set_validator_integer(screen->widgets.timeout_f, 0, 999);
 791
 792         if (config->ipmi_bootdev) {
 793                 char *label = talloc_asprintf(screen,
 794                                 _("%s IPMI boot option: %s"),
 795                                 config->ipmi_bootdev_persistent ?
 796                                 "Persistent" : "Temporary",
 797                                 ipmi_bootdev_display_name(config->ipmi_bootdev));
 798                 screen->widgets.ipmi_type_l = widget_new_label(set, 0, 0,
 799                                                         label);
 800                 screen->widgets.ipmi_clear_l = widget_new_label(set, 0, 0,
 801                                                         _("Clear option:"));
 802                 screen->widgets.ipmi_clear_cb = widget_new_checkbox(set, 0, 0,
 803                                                         false);
 804                 screen->ipmi_override = true;
 805         }
 806
 807         screen->widgets.network_l = widget_new_label(set, 0, 0, _("Network:"));
 808         screen->widgets.network_f = widget_new_select(set, 0, 0, 50);
 809
 810         widget_select_add_option(screen->widgets.network_f,
 811                                         NET_CONF_TYPE_DHCP_ALL,
 812                                         _("DHCP on all active interfaces"),
 813                                         type == NET_CONF_TYPE_DHCP_ALL);
 814         widget_select_add_option(screen->widgets.network_f,
 815                                         NET_CONF_TYPE_DHCP_ONE,
 816                                         _("DHCP on a specific interface"),
 817                                         type == NET_CONF_TYPE_DHCP_ONE);
 818         widget_select_add_option(screen->widgets.network_f,
 819                                         NET_CONF_TYPE_STATIC,
 820                                         _("Static IP configuration"),
 821                                         type == NET_CONF_TYPE_STATIC);
 822
 823         widget_select_on_change(screen->widgets.network_f,
 824                         config_screen_network_change, screen);
 825
 826         screen->widgets.iface_l = widget_new_label(set, 0, 0, _("Device:"));
 827         screen->widgets.iface_f = widget_new_select(set, 0, 0, 50);
 828
 829         for (i = 0; i < sysinfo->n_interfaces; i++) {
 830                 struct interface_info *info = sysinfo->interfaces[i];
 831                 char str[50], mac[20];
 832                 bool is_default;
 833
 834                 is_default = ifcfg && !memcmp(ifcfg->hwaddr, info->hwaddr,
 835                                         sizeof(ifcfg->hwaddr));
 836
 837                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 838                 snprintf(str, sizeof(str), "%s [%s, %s]", info->name, mac,
 839                                 info->link ? _("link up") : _("link down"));
 840
 841                 widget_select_add_option(screen->widgets.iface_f,
 842                                                 i, str, is_default);
 843         }
 844
 845         gw = ip = mask = NULL;
 846         if (ifcfg && ifcfg->method == CONFIG_METHOD_STATIC) {
 847                 char *sep;
 848
 849                 str = talloc_strdup(screen, ifcfg->static_config.address);
 850                 sep = strchr(str, '/');
 851                 ip = str;
 852
 853                 if (sep) {
 854                         *sep = '\0';
 855                         mask = sep + 1;
 856                 }
 857                 gw = ifcfg->static_config.gateway;
 858         }
 859
 860         screen->widgets.ip_addr_l = widget_new_label(set, 0, 0, _("IP/mask:"));
 861         screen->widgets.ip_addr_f = widget_new_textbox(set, 0, 0, 16, ip);
 862         screen->widgets.ip_mask_l = widget_new_label(set, 0, 0, "/");
 863         screen->widgets.ip_mask_f = widget_new_textbox(set, 0, 0, 3, mask);
 864         screen->widgets.ip_addr_mask_help_l =
 865                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.10 / 24)"));
 866
 867         widget_textbox_set_fixed_size(screen->widgets.ip_addr_f);
 868         widget_textbox_set_fixed_size(screen->widgets.ip_mask_f);
 869         widget_textbox_set_validator_ipv4(screen->widgets.ip_addr_f);
 870         widget_textbox_set_validator_integer(screen->widgets.ip_mask_f, 1, 31);
 871
 872         screen->widgets.gateway_l = widget_new_label(set, 0, 0, _("Gateway:"));
 873         screen->widgets.gateway_f = widget_new_textbox(set, 0, 0, 16, gw);
 874         screen->widgets.gateway_help_l =
 875                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.1)"));
 876
 877         widget_textbox_set_fixed_size(screen->widgets.gateway_f);
 878         widget_textbox_set_validator_ipv4(screen->widgets.gateway_f);
 879
 880         str = talloc_strdup(screen, "");
 881         for (i = 0; i < config->network.n_dns_servers; i++) {
 882                 str = talloc_asprintf_append(str, "%s%s",
 883                                 (i == 0) ? "" : " ",
 884                                 config->network.dns_servers[i]);
 885         }
 886
 887         screen->widgets.dns_l = widget_new_label(set, 0, 0,
 888                                         _("DNS Server(s):"));
 889         screen->widgets.dns_f = widget_new_textbox(set, 0, 0, 32, str);
 890         screen->widgets.dns_help_l =
 891                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.2)"));
 892
 893         widget_textbox_set_validator_ipv4_multi(screen->widgets.dns_f);
 894
 895         screen->widgets.dns_dhcp_help_l = widget_new_label(set, 0, 0,
 896                         _("(if not provided by DHCP server)"));
 897
 898         if (config->safe_mode)
 899                 screen->widgets.safe_mode = widget_new_label(set, 0, 0,
 900                          _("Selecting 'OK' will exit safe mode"));
 901
 902         screen->widgets.ok_b = widget_new_button(set, 0, 0, 6, _("OK"),
 903                         ok_click, screen);
 904         screen->widgets.help_b = widget_new_button(set, 0, 0, 10, _("Help"),
 905                         help_click, screen);
 906         screen->widgets.cancel_b = widget_new_button(set, 0, 0, 10, _("Cancel"),
 907                         cancel_click, screen);
 908 }
 909
 910 static void config_screen_widget_focus(struct nc_widget *widget, void *arg)
 911 {
 912         struct config_screen *screen = arg;
 913         int w_y, s_max;
 914
 915         w_y = widget_y(widget) + widget_focus_y(widget);
 916         s_max = getmaxy(screen->scr.sub_ncw) - 1;
 917
 918         if (w_y < screen->scroll_y)
 919                 screen->scroll_y = w_y;
 920
 921         else if (w_y + screen->scroll_y + 1 > s_max)
 922                 screen->scroll_y = 1 + w_y - s_max;
 923
 924         else
 925                 return;
 926
 927         pad_refresh(screen);
 928 }
 929
 930 static void config_screen_draw(struct config_screen *screen,
 931                 const struct config *config,
 932                 const struct system_info *sysinfo)
 933 {
 934         bool repost = false;
 935         int height;
 936
 937         /* The size of the pad we'll need depends on the number of interfaces.
 938          *
 939          * We use N_FIELDS (which is quite conservative, as some fields share
 940          * a line) as a base, then:
 941          * - add 6 (as the network select & boot device select fields take 3
 942          *   lines each),
 943          * - add n_interfaces for every field in the network select field, and
 944          * - add (n_blockdevs + n_interfaces) for every field in the boot device
 945          *   select field
 946          */
 947         height = N_FIELDS + 6;
 948         if (sysinfo) {
 949                 height += sysinfo->n_interfaces;
 950                 height += (sysinfo->n_blockdevs + sysinfo->n_interfaces);
 951         }
 952         if (!screen->pad || getmaxy(screen->pad) < height) {
 953                 if (screen->pad)
 954                         delwin(screen->pad);
 955                 screen->pad = newpad(height, COLS + 10);
 956         }
 957
 958         if (screen->widgetset) {
 959                 widgetset_unpost(screen->widgetset);
 960                 talloc_free(screen->widgetset);
 961                 repost = true;
 962         }
 963
 964         screen->widgetset = widgetset_create(screen, screen->scr.main_ncw,
 965                         screen->pad);
 966         widgetset_set_widget_focus(screen->widgetset,
 967                         config_screen_widget_focus, screen);
 968
 969         if (!config || !sysinfo) {
 970                 config_screen_setup_empty(screen);
 971         } else {
 972                 screen->net_conf_type = find_net_conf_type(config);
 973                 config_screen_setup_widgets(screen, config, sysinfo);
 974                 config_screen_layout_widgets(screen);
 975         }
 976
 977         if (repost)
 978                 widgetset_post(screen->widgetset);
 979 }
 980
 981 void config_screen_update(struct config_screen *screen,
 982                 const struct config *config,
 983                 const struct system_info *sysinfo)
 984 {
 985         config_screen_draw(screen, config, sysinfo);
 986         pad_refresh(screen);
 987 }
 988
 989 static int config_screen_destroy(void *arg)
 990 {
 991         struct config_screen *screen = arg;
 992         if (screen->pad)
 993                 delwin(screen->pad);
 994         return 0;
 995 }
 996
 997 struct config_screen *config_screen_init(struct cui *cui,
 998                 const struct config *config,
 999                 const struct system_info *sysinfo,
1000                 void (*on_exit)(struct cui *))
1001 {
1002         struct config_screen *screen;
1003
1004         screen = talloc_zero(cui, struct config_screen);
1005         talloc_set_destructor(screen, config_screen_destroy);
1006         nc_scr_init(&screen->scr, pb_config_screen_sig, 0,
1007                         cui, config_screen_process_key,
1008                         config_screen_post, config_screen_unpost,
1009                         config_screen_resize);
1010
1011         screen->cui = cui;
1012         screen->on_exit = on_exit;
1013         screen->need_redraw = false;
1014         screen->label_x = 2;
1015         screen->field_x = 17;
1016
1017         screen->ipmi_override = false;
1018         screen->show_subset = false;
1019
1020         screen->scr.frame.ltitle = talloc_strdup(screen,
1021                         _("Petitboot System Configuration"));
1022         screen->scr.frame.rtitle = NULL;
1023         screen->scr.frame.help = talloc_strdup(screen,
1024                         _("tab=next, shift+tab=previous, x=exit, h=help"));
1025         nc_scr_frame_draw(&screen->scr);
1026
1027         scrollok(screen->scr.sub_ncw, true);
1028
1029         config_screen_draw(screen, config, sysinfo);
1030
1031         return screen;
1032 }