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        34
  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          *allow_write_l;
 104                 struct nc_widget_select         *allow_write_f;
 105
 106                 struct nc_widget_label          *safe_mode;
 107                 struct nc_widget_button         *ok_b;
 108                 struct nc_widget_button         *help_b;
 109                 struct nc_widget_button         *cancel_b;
 110         } widgets;
 111 };
 112
 113 static struct config_screen *config_screen_from_scr(struct nc_scr *scr)
 114 {
 115         struct config_screen *config_screen;
 116
 117         assert(scr->sig == pb_config_screen_sig);
 118         config_screen = (struct config_screen *)
 119                 ((char *)scr - (size_t)&((struct config_screen *)0)->scr);
 120         assert(config_screen->scr.sig == pb_config_screen_sig);
 121         return config_screen;
 122 }
 123
 124 static void pad_refresh(struct config_screen *screen)
 125 {
 126         int y, x, rows, cols;
 127
 128         getmaxyx(screen->scr.sub_ncw, rows, cols);
 129         getbegyx(screen->scr.sub_ncw, y, x);
 130
 131         prefresh(screen->pad, screen->scroll_y, 0, y, x, rows, cols);
 132 }
 133
 134 static void config_screen_process_key(struct nc_scr *scr, int key)
 135 {
 136         struct config_screen *screen = config_screen_from_scr(scr);
 137         bool handled;
 138
 139         handled = widgetset_process_key(screen->widgetset, key);
 140
 141         if (!handled) {
 142                 switch (key) {
 143                 case 'x':
 144                 case 27: /* esc */
 145                         screen->exit = true;
 146                         break;
 147                 case 'h':
 148                         screen->show_help = true;
 149                         break;
 150                 }
 151         }
 152
 153         if (screen->exit) {
 154                 screen->on_exit(screen->cui);
 155
 156         } else if (screen->show_help) {
 157                 screen->show_help = false;
 158                 screen->need_redraw = true;
 159                 cui_show_help(screen->cui, _("System Configuration"),
 160                                 &config_help_text);
 161
 162         } else if (handled && !screen->show_subset) {
 163                 pad_refresh(screen);
 164         }
 165 }
 166
 167 static void config_screen_resize(struct nc_scr *scr)
 168 {
 169         struct config_screen *screen = config_screen_from_scr(scr);
 170         (void)screen;
 171 }
 172
 173 static int config_screen_post(struct nc_scr *scr)
 174 {
 175         struct config_screen *screen = config_screen_from_scr(scr);
 176         screen->show_subset = false;
 177         widgetset_post(screen->widgetset);
 178         nc_scr_frame_draw(scr);
 179         if (screen->need_redraw) {
 180                 redrawwin(scr->main_ncw);
 181                 screen->need_redraw = false;
 182         }
 183         wrefresh(screen->scr.main_ncw);
 184         pad_refresh(screen);
 185         return 0;
 186 }
 187
 188 static int config_screen_unpost(struct nc_scr *scr)
 189 {
 190         struct config_screen *screen = config_screen_from_scr(scr);
 191         widgetset_unpost(screen->widgetset);
 192         return 0;
 193 }
 194
 195 struct nc_scr *config_screen_scr(struct config_screen *screen)
 196 {
 197         return &screen->scr;
 198 }
 199
 200 static int screen_process_form(struct config_screen *screen)
 201 {
 202         const struct system_info *sysinfo = screen->cui->sysinfo;
 203         enum net_conf_type net_conf_type;
 204         struct interface_config *iface;
 205         char *str, *end;
 206         struct config *config;
 207         int i, n_boot_opts, rc, idx;
 208         unsigned int *order;
 209         bool allow_write;
 210         char mac[20];
 211
 212         config = config_copy(screen, screen->cui->config);
 213
 214         talloc_free(config->autoboot_opts);
 215         config->n_autoboot_opts = 0;
 216
 217         n_boot_opts = widget_subset_get_order(config, &order,
 218                                               screen->widgets.boot_order_f);
 219
 220         config->autoboot_enabled = n_boot_opts > 0;
 221
 222         config->n_autoboot_opts = n_boot_opts;
 223         config->autoboot_opts = talloc_array(config, struct autoboot_option,
 224                                              n_boot_opts);
 225
 226         for (i = 0; i < n_boot_opts; i++) {
 227                 if (order[i] < sysinfo->n_blockdevs) {
 228                         /* disk uuid */
 229                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_UUID;
 230                         config->autoboot_opts[i].uuid = talloc_strdup(config,
 231                                                         sysinfo->blockdevs[order[i]]->uuid);
 232                 } else if(order[i] < (sysinfo->n_blockdevs + sysinfo->n_interfaces)) {
 233                         /* net uuid */
 234                         order[i] -= sysinfo->n_blockdevs;
 235                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_UUID;
 236                         mac_str(sysinfo->interfaces[order[i]]->hwaddr,
 237                                 sysinfo->interfaces[order[i]]->hwaddr_size,
 238                                 mac, sizeof(mac));
 239                         config->autoboot_opts[i].uuid = talloc_strdup(config, mac);
 240                 } else {
 241                         /* device type */
 242                         order[i] -= (sysinfo->n_blockdevs + sysinfo->n_interfaces);
 243                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_TYPE;
 244                         config->autoboot_opts[i].type = order[i];
 245                 }
 246         }
 247
 248         str = widget_textbox_get_value(screen->widgets.timeout_f);
 249         if (str) {
 250                 unsigned long x;
 251                 errno = 0;
 252                 x = strtoul(str, &end, 10);
 253                 if (!errno && end != str)
 254                         config->autoboot_timeout_sec = x;
 255         }
 256
 257         if (screen->ipmi_override)
 258                 if (widget_checkbox_get_value(screen->widgets.ipmi_clear_cb))
 259                         config->ipmi_bootdev = IPMI_BOOTDEV_INVALID;
 260
 261
 262         net_conf_type = widget_select_get_value(screen->widgets.network_f);
 263
 264         /* if we don't have any network interfaces, prevent per-interface
 265          * configuration */
 266         if (sysinfo->n_interfaces == 0)
 267                 net_conf_type = NET_CONF_TYPE_DHCP_ALL;
 268
 269         if (net_conf_type == NET_CONF_TYPE_DHCP_ALL) {
 270                 config->network.n_interfaces = 0;
 271
 272         } else {
 273                 iface = talloc_zero(config, struct interface_config);
 274                 config->network.n_interfaces = 1;
 275                 config->network.interfaces = talloc_array(config,
 276                                 struct interface_config *, 1);
 277                 config->network.interfaces[0] = iface;
 278
 279                 /* copy hwaddr (from the sysinfo interface data) to
 280                  * the configuration */
 281                 idx = widget_select_get_value(screen->widgets.iface_f);
 282                 memcpy(iface->hwaddr, sysinfo->interfaces[idx]->hwaddr,
 283                                 sizeof(iface->hwaddr));
 284         }
 285
 286         if (net_conf_type == NET_CONF_TYPE_DHCP_ONE) {
 287                 iface->method = CONFIG_METHOD_DHCP;
 288         }
 289
 290         if (net_conf_type == NET_CONF_TYPE_STATIC) {
 291                 char *ip, *mask, *gateway;
 292
 293                 ip = widget_textbox_get_value(screen->widgets.ip_addr_f);
 294                 mask = widget_textbox_get_value(screen->widgets.ip_mask_f);
 295                 gateway = widget_textbox_get_value(screen->widgets.gateway_f);
 296
 297                 if (!ip || !*ip || !mask || !*mask) {
 298                         screen->scr.frame.status =
 299                                 _("No IP / mask values are set");
 300                         nc_scr_frame_draw(&screen->scr);
 301                         talloc_free(config);
 302                         return -1;
 303                 }
 304
 305                 iface->method = CONFIG_METHOD_STATIC;
 306                 iface->static_config.address = talloc_asprintf(iface, "%s/%s",
 307                                 ip, mask);
 308                 iface->static_config.gateway = talloc_strdup(iface, gateway);
 309         }
 310
 311         str = widget_textbox_get_value(screen->widgets.dns_f);
 312         talloc_free(config->network.dns_servers);
 313         config->network.dns_servers = NULL;
 314         config->network.n_dns_servers = 0;
 315
 316         if (str && strlen(str)) {
 317                 char *dns, *tmp;
 318                 int i;
 319
 320                 for (;;) {
 321                         dns = strtok_r(str, " \t", &tmp);
 322
 323                         if (!dns)
 324                                 break;
 325
 326                         i = config->network.n_dns_servers++;
 327                         config->network.dns_servers = talloc_realloc(config,
 328                                         config->network.dns_servers,
 329                                         const char *,
 330                                         config->network.n_dns_servers);
 331                         config->network.dns_servers[i] =
 332                                 talloc_strdup(config, dns);
 333
 334                         str = NULL;
 335                 }
 336         }
 337
 338         allow_write = widget_select_get_value(screen->widgets.allow_write_f);
 339         if (allow_write != config->allow_writes)
 340                 config->allow_writes = allow_write;
 341
 342         config->safe_mode = false;
 343         rc = cui_send_config(screen->cui, config);
 344         talloc_free(config);
 345
 346         if (rc)
 347                 pb_log("cui_send_config failed!\n");
 348         else
 349                 pb_debug("config sent!\n");
 350
 351         return 0;
 352 }
 353
 354 static void ok_click(void *arg)
 355 {
 356         struct config_screen *screen = arg;
 357         if (screen_process_form(screen))
 358                 /* errors are written to the status line, so we'll need
 359                  * to refresh */
 360                 wrefresh(screen->scr.main_ncw);
 361         else
 362                 screen->exit = true;
 363 }
 364
 365 static void help_click(void *arg)
 366 {
 367         struct config_screen *screen = arg;
 368         screen->show_help = true;
 369 }
 370
 371 static void cancel_click(void *arg)
 372 {
 373         struct config_screen *screen = arg;
 374         screen->exit = true;
 375 }
 376
 377 static int layout_pair(struct config_screen *screen, int y,
 378                 struct nc_widget_label *label,
 379                 struct nc_widget *field)
 380 {
 381         struct nc_widget *label_w = widget_label_base(label);
 382         widget_move(label_w, y, screen->label_x);
 383         widget_move(field, y, screen->field_x);
 384         return max(widget_height(label_w), widget_height(field));
 385 }
 386
 387 static void config_screen_layout_widgets(struct config_screen *screen)
 388 {
 389         struct nc_widget *wl, *wf, *wh;
 390         int y, x, help_x;
 391         bool show;
 392
 393         y = 1;
 394         /* currently, the longest label we have is the DNS-servers
 395          * widget, so layout our screen based on that */
 396         help_x = screen->field_x + 2 +
 397                 widget_width(widget_textbox_base(screen->widgets.dns_f));
 398
 399         wl = widget_label_base(screen->widgets.boot_order_l);
 400         widget_set_visible(wl, true);
 401         widget_move(wl, y, screen->label_x);
 402
 403         wf = widget_subset_base(screen->widgets.boot_order_f);
 404         widget_move(wf, y, screen->field_x);
 405         wl = widget_label_base(screen->widgets.boot_empty_l);
 406         widget_move(wl, y, screen->field_x);
 407
 408         if (widget_subset_height(screen->widgets.boot_order_f)) {
 409                 widget_set_visible(wf, true);
 410                 widget_set_visible(wl, false);
 411                 y += widget_height(wf);
 412         } else {
 413                 widget_set_visible(wl, true);
 414                 widget_set_visible(wf, false);
 415                 y += 1;
 416         }
 417
 418         y += 1;
 419
 420         widget_move(widget_button_base(screen->widgets.boot_add_b),
 421                         y, screen->field_x);
 422         widget_move(widget_button_base(screen->widgets.boot_any_b),
 423                         y, screen->field_x + 14);
 424         widget_move(widget_button_base(screen->widgets.boot_none_b),
 425                         y, screen->field_x + 34);
 426
 427         wf = widget_button_base(screen->widgets.boot_add_b);
 428         if (widget_subset_n_inactive(screen->widgets.boot_order_f))
 429                 widget_set_visible(wf, true);
 430         else
 431                 widget_set_visible(wf, false);
 432
 433         y += 2;
 434
 435         wf = widget_textbox_base(screen->widgets.timeout_f);
 436         wl = widget_label_base(screen->widgets.timeout_l);
 437         wh = widget_label_base(screen->widgets.timeout_help_l);
 438         widget_set_visible(wl, screen->autoboot_enabled);
 439         widget_set_visible(wf, screen->autoboot_enabled);
 440         widget_set_visible(wh, screen->autoboot_enabled);
 441         if (screen->autoboot_enabled) {
 442                 widget_set_visible(wh, screen->autoboot_enabled);
 443                 widget_move(wl, y, screen->label_x);
 444                 widget_move(wf, y, screen->field_x);
 445                 widget_move(wh, y, screen->field_x + widget_width(wf) + 1);
 446                 y += 2;
 447         }
 448
 449         if (screen->ipmi_override) {
 450                 wl = widget_label_base(screen->widgets.ipmi_type_l);
 451                 widget_set_visible(wl, true);
 452                 widget_move(wl, y, screen->label_x);
 453                 y += 1;
 454
 455                 wl = widget_label_base(screen->widgets.ipmi_clear_l);
 456                 wf = widget_checkbox_base(screen->widgets.ipmi_clear_cb);
 457                 widget_set_visible(wl, true);
 458                 widget_set_visible(wf, true);
 459                 widget_move(wl, y, screen->label_x);
 460                 widget_move(wf, y, screen->field_x);
 461                 y += 1;
 462         }
 463
 464         y += 1;
 465
 466         y += layout_pair(screen, y, screen->widgets.network_l,
 467                         widget_select_base(screen->widgets.network_f));
 468
 469         y += 1;
 470
 471         /* conditionally show iface select */
 472         wl = widget_label_base(screen->widgets.iface_l);
 473         wf = widget_select_base(screen->widgets.iface_f);
 474
 475         show = screen->net_conf_type == NET_CONF_TYPE_DHCP_ONE ||
 476                 screen->net_conf_type == NET_CONF_TYPE_STATIC;
 477
 478         widget_set_visible(wl, show);
 479         widget_set_visible(wf, show);
 480
 481         if (show)
 482                 y += layout_pair(screen, y, screen->widgets.iface_l, wf) + 1;
 483
 484         /* conditionally show static IP params */
 485         show = screen->net_conf_type == NET_CONF_TYPE_STATIC;
 486
 487         wl = widget_label_base(screen->widgets.ip_addr_l);
 488         wf = widget_textbox_base(screen->widgets.ip_addr_f);
 489         widget_set_visible(wl, show);
 490         widget_set_visible(wf, show);
 491         x = screen->field_x + widget_width(wf) + 1;
 492
 493         if (show)
 494                 layout_pair(screen, y, screen->widgets.ip_addr_l, wf);
 495
 496         wl = widget_label_base(screen->widgets.ip_mask_l);
 497         wf = widget_textbox_base(screen->widgets.ip_mask_f);
 498         widget_set_visible(wl, show);
 499         widget_set_visible(wf, show);
 500
 501         if (show) {
 502                 widget_move(wl, y, x);
 503                 widget_move(wf, y, x + 2);
 504         }
 505
 506         /* help for IP/mask */
 507         wh = widget_label_base(screen->widgets.ip_addr_mask_help_l);
 508         widget_set_visible(wh, show);
 509         if (show) {
 510                 widget_move(wh, y, help_x);
 511                 y++;
 512         }
 513
 514         wl = widget_label_base(screen->widgets.gateway_l);
 515         wf = widget_textbox_base(screen->widgets.gateway_f);
 516         wh = widget_label_base(screen->widgets.gateway_help_l);
 517         widget_set_visible(wl, show);
 518         widget_set_visible(wf, show);
 519         widget_set_visible(wh, show);
 520
 521         if (show) {
 522                 layout_pair(screen, y, screen->widgets.gateway_l, wf);
 523                 widget_move(wh, y, help_x);
 524                 y++;
 525         }
 526
 527         wh = widget_label_base(screen->widgets.dns_help_l);
 528         layout_pair(screen, y, screen->widgets.dns_l,
 529                         widget_textbox_base(screen->widgets.dns_f));
 530         widget_move(wh, y, help_x);
 531         y++;
 532
 533         /* we show the DNS/DHCP help if we're configuring DHCP */
 534         show = screen->net_conf_type != NET_CONF_TYPE_STATIC;
 535         wl = widget_label_base(screen->widgets.dns_dhcp_help_l);
 536         widget_set_visible(wl, show);
 537         if (show) {
 538                 widget_move(wl, y, screen->field_x);
 539                 y += 1;
 540         }
 541
 542         y += 1;
 543
 544         show = screen->cui->config->safe_mode;
 545         if (show) {
 546                 widget_move(widget_label_base(screen->widgets.safe_mode),
 547                         y, screen->field_x);
 548                 y += 1;
 549         }
 550
 551         layout_pair(screen, y, screen->widgets.allow_write_l,
 552                     widget_select_base(screen->widgets.allow_write_f));
 553         y += widget_height(widget_select_base(screen->widgets.allow_write_f));
 554
 555         y += 1;
 556
 557         widget_move(widget_button_base(screen->widgets.ok_b),
 558                         y, screen->field_x);
 559         widget_move(widget_button_base(screen->widgets.help_b),
 560                         y, screen->field_x + 14);
 561         widget_move(widget_button_base(screen->widgets.cancel_b),
 562                         y, screen->field_x + 28);
 563 }
 564
 565 static void config_screen_network_change(void *arg, int value)
 566 {
 567         struct config_screen *screen = arg;
 568         screen->net_conf_type = value;
 569         widgetset_unpost(screen->widgetset);
 570         config_screen_layout_widgets(screen);
 571         widgetset_post(screen->widgetset);
 572 }
 573
 574 static void config_screen_boot_order_change(void *arg, int value)
 575 {
 576         (void)value;
 577         struct config_screen *screen = arg;
 578         widgetset_unpost(screen->widgetset);
 579         config_screen_layout_widgets(screen);
 580         widgetset_post(screen->widgetset);
 581 }
 582
 583 static void config_screen_add_device(void *arg)
 584 {
 585         struct config_screen *screen = arg;
 586
 587         screen->show_subset = true;
 588         cui_show_subset(screen->cui, _("Select a boot device to add"),
 589                         screen->widgets.boot_order_f);
 590 }
 591
 592 static void config_screen_autoboot_none(void *arg)
 593 {
 594         struct config_screen *screen = arg;
 595         struct nc_widget_subset *subset = screen->widgets.boot_order_f;
 596
 597         widget_subset_clear_active(subset);
 598         screen->autoboot_enabled = false;
 599
 600         widgetset_unpost(screen->widgetset);
 601         config_screen_layout_widgets(screen);
 602         widgetset_post(screen->widgetset);
 603 }
 604
 605 static void config_screen_autoboot_any(void *arg)
 606 {
 607         struct config_screen *screen = arg;
 608         const struct system_info *sysinfo = screen->cui->sysinfo;
 609         struct nc_widget_subset *subset = screen->widgets.boot_order_f;
 610         int idx;
 611
 612         widget_subset_clear_active(subset);
 613
 614         idx = sysinfo->n_blockdevs + sysinfo->n_interfaces + DEVICE_TYPE_ANY;
 615
 616         widget_subset_make_active(screen->widgets.boot_order_f, idx);
 617
 618         screen->autoboot_enabled = true;
 619
 620         widgetset_unpost(screen->widgetset);
 621         config_screen_layout_widgets(screen);
 622         widgetset_post(screen->widgetset);
 623 }
 624
 625 static void config_screen_update_subset(void *arg,
 626                         struct nc_widget_subset *subset, int idx)
 627 {
 628         struct config_screen *screen = arg;
 629
 630         if (idx >= 0)
 631                 widget_subset_make_active(subset, idx);
 632         if (!screen->autoboot_enabled)
 633                 screen->autoboot_enabled = true;
 634         config_screen_layout_widgets(screen);
 635 }
 636
 637 static struct interface_config *first_active_interface(
 638                 const struct config *config)
 639 {
 640         unsigned int i;
 641
 642         for (i = 0; i < config->network.n_interfaces; i++) {
 643                 if (config->network.interfaces[i]->ignore)
 644                         continue;
 645                 return config->network.interfaces[i];
 646         }
 647         return NULL;
 648 }
 649
 650 static enum net_conf_type find_net_conf_type(const struct config *config)
 651 {
 652         struct interface_config *ifcfg;
 653
 654         ifcfg = first_active_interface(config);
 655
 656         if (!ifcfg)
 657                 return NET_CONF_TYPE_DHCP_ALL;
 658
 659         else if (ifcfg->method == CONFIG_METHOD_DHCP)
 660                 return NET_CONF_TYPE_DHCP_ONE;
 661
 662         else if (ifcfg->method == CONFIG_METHOD_STATIC)
 663                 return NET_CONF_TYPE_STATIC;
 664
 665         assert(0);
 666         return NET_CONF_TYPE_DHCP_ALL;
 667 }
 668
 669 static void config_screen_setup_empty(struct config_screen *screen)
 670 {
 671         widget_new_label(screen->widgetset, 2, screen->field_x,
 672                         _("Waiting for configuration data..."));
 673         screen->widgets.cancel_b = widget_new_button(screen->widgetset,
 674                         4, screen->field_x, 9, _("Cancel"),
 675                         cancel_click, screen);
 676 }
 677
 678 static int find_autoboot_idx(const struct system_info *sysinfo,
 679                 struct autoboot_option *opt)
 680 {
 681         unsigned int i;
 682
 683         if (opt->boot_type == BOOT_DEVICE_TYPE)
 684                 return sysinfo->n_blockdevs + sysinfo->n_interfaces + opt->type;
 685
 686         for (i = 0; i < sysinfo->n_blockdevs; i++) {
 687                 if (!strcmp(sysinfo->blockdevs[i]->uuid, opt->uuid))
 688                         return i;
 689         }
 690
 691         for (i = 0; i < sysinfo->n_interfaces; i++) {
 692                 struct interface_info *info = sysinfo->interfaces[i];
 693                 char mac[20];
 694
 695                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 696
 697                 if (!strcmp(mac, opt->uuid))
 698                         return sysinfo->n_blockdevs + i;
 699         }
 700
 701         return -1;
 702 }
 703
 704 static void config_screen_setup_widgets(struct config_screen *screen,
 705                 const struct config *config,
 706                 const struct system_info *sysinfo)
 707 {
 708         struct nc_widgetset *set = screen->widgetset;
 709         struct interface_config *ifcfg;
 710         char *str, *ip, *mask, *gw;
 711         enum net_conf_type type;
 712         unsigned int i;
 713
 714         build_assert(sizeof(screen->widgets) / sizeof(struct widget *)
 715                         == N_FIELDS);
 716
 717         type = screen->net_conf_type;
 718         ifcfg = first_active_interface(config);
 719
 720         screen->widgets.boot_add_b = widget_new_button(set, 0, 0, 10,
 721                                         _("Add Device"),
 722                                         config_screen_add_device, screen);
 723
 724         screen->widgets.boot_none_b = widget_new_button(set, 0, 0, 10,
 725                                         _("Clear"),
 726                                         config_screen_autoboot_none, screen);
 727
 728         screen->widgets.boot_any_b = widget_new_button(set, 0, 0, 16,
 729                                         _("Clear & Boot Any"),
 730                                         config_screen_autoboot_any, screen);
 731
 732         screen->widgets.boot_order_l = widget_new_label(set, 0, 0,
 733                                         _("Boot Order:"));
 734         screen->widgets.boot_order_f = widget_new_subset(set, 0, 0,
 735                                         COLS - screen->field_x,
 736                                         config_screen_update_subset);
 737         screen->widgets.boot_empty_l = widget_new_label(set, 0, 0,
 738                                         _("(None)"));
 739
 740         widget_subset_on_change(screen->widgets.boot_order_f,
 741                         config_screen_boot_order_change, screen);
 742
 743         for (i = 0; i < sysinfo->n_blockdevs; i++) {
 744                 struct blockdev_info *bd = sysinfo->blockdevs[i];
 745                 char *label;
 746
 747                 label = talloc_asprintf(screen, _("disk: %s [uuid: %s]"),
 748                                 bd->name, bd->uuid);
 749
 750                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 751         }
 752
 753         for (i = 0; i < sysinfo->n_interfaces; i++) {
 754                 struct interface_info *info = sysinfo->interfaces[i];
 755                 char *label, mac[20];
 756
 757                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 758
 759                 label = talloc_asprintf(screen, _("net:  %s [mac: %s]"),
 760                                 info->name, mac);
 761
 762                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 763         }
 764
 765         for (i = DEVICE_TYPE_NETWORK; i < DEVICE_TYPE_UNKNOWN; i++) {
 766                 char *label;
 767
 768                 if (i == DEVICE_TYPE_ANY)
 769                         label = talloc_asprintf(screen, _("Any Device"));
 770                 else
 771                         label = talloc_asprintf(screen, _("Any %s device"),
 772                                                 device_type_display_name(i));
 773
 774                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 775         }
 776
 777         screen->autoboot_enabled = config->n_autoboot_opts;
 778         for (i = 0; i < config->n_autoboot_opts; i++) {
 779                 struct autoboot_option *opt = &config->autoboot_opts[i];
 780                 int idx;
 781
 782                 idx = find_autoboot_idx(sysinfo, opt);
 783
 784                 if (idx >= 0) {
 785                         widget_subset_make_active(screen->widgets.boot_order_f,
 786                                                   idx);
 787                 } else {
 788                         if (opt->boot_type == BOOT_DEVICE_TYPE)
 789                                 pb_log("%s: Unknown autoboot option: %d\n",
 790                                        __func__, opt->type);
 791                         else
 792                                 pb_log("%s: Unknown autoboot UUID: %s\n",
 793                                        __func__, opt->uuid);
 794                 }
 795         }
 796
 797
 798         str = talloc_asprintf(screen, "%d", config->autoboot_timeout_sec);
 799         screen->widgets.timeout_l = widget_new_label(set, 0, 0, _("Timeout:"));
 800         screen->widgets.timeout_f = widget_new_textbox(set, 0, 0, 5, str);
 801         screen->widgets.timeout_help_l = widget_new_label(set, 0, 0,
 802                                         _("seconds"));
 803
 804         widget_textbox_set_fixed_size(screen->widgets.timeout_f);
 805         widget_textbox_set_validator_integer(screen->widgets.timeout_f, 0, 999);
 806
 807         if (config->ipmi_bootdev) {
 808                 char *label = talloc_asprintf(screen,
 809                                 _("%s IPMI boot option: %s"),
 810                                 config->ipmi_bootdev_persistent ?
 811                                 "Persistent" : "Temporary",
 812                                 ipmi_bootdev_display_name(config->ipmi_bootdev));
 813                 screen->widgets.ipmi_type_l = widget_new_label(set, 0, 0,
 814                                                         label);
 815                 screen->widgets.ipmi_clear_l = widget_new_label(set, 0, 0,
 816                                                         _("Clear option:"));
 817                 screen->widgets.ipmi_clear_cb = widget_new_checkbox(set, 0, 0,
 818                                                         false);
 819                 screen->ipmi_override = true;
 820         }
 821
 822         screen->widgets.network_l = widget_new_label(set, 0, 0, _("Network:"));
 823         screen->widgets.network_f = widget_new_select(set, 0, 0, 50);
 824
 825         widget_select_add_option(screen->widgets.network_f,
 826                                         NET_CONF_TYPE_DHCP_ALL,
 827                                         _("DHCP on all active interfaces"),
 828                                         type == NET_CONF_TYPE_DHCP_ALL);
 829         widget_select_add_option(screen->widgets.network_f,
 830                                         NET_CONF_TYPE_DHCP_ONE,
 831                                         _("DHCP on a specific interface"),
 832                                         type == NET_CONF_TYPE_DHCP_ONE);
 833         widget_select_add_option(screen->widgets.network_f,
 834                                         NET_CONF_TYPE_STATIC,
 835                                         _("Static IP configuration"),
 836                                         type == NET_CONF_TYPE_STATIC);
 837
 838         widget_select_on_change(screen->widgets.network_f,
 839                         config_screen_network_change, screen);
 840
 841         screen->widgets.iface_l = widget_new_label(set, 0, 0, _("Device:"));
 842         screen->widgets.iface_f = widget_new_select(set, 0, 0, 50);
 843
 844         for (i = 0; i < sysinfo->n_interfaces; i++) {
 845                 struct interface_info *info = sysinfo->interfaces[i];
 846                 char str[50], mac[20];
 847                 bool is_default;
 848
 849                 is_default = ifcfg && !memcmp(ifcfg->hwaddr, info->hwaddr,
 850                                         sizeof(ifcfg->hwaddr));
 851
 852                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 853                 snprintf(str, sizeof(str), "%s [%s, %s]", info->name, mac,
 854                                 info->link ? _("link up") : _("link down"));
 855
 856                 widget_select_add_option(screen->widgets.iface_f,
 857                                                 i, str, is_default);
 858         }
 859
 860         gw = ip = mask = NULL;
 861         if (ifcfg && ifcfg->method == CONFIG_METHOD_STATIC) {
 862                 char *sep;
 863
 864                 str = talloc_strdup(screen, ifcfg->static_config.address);
 865                 sep = strchr(str, '/');
 866                 ip = str;
 867
 868                 if (sep) {
 869                         *sep = '\0';
 870                         mask = sep + 1;
 871                 }
 872                 gw = ifcfg->static_config.gateway;
 873         }
 874
 875         screen->widgets.ip_addr_l = widget_new_label(set, 0, 0, _("IP/mask:"));
 876         screen->widgets.ip_addr_f = widget_new_textbox(set, 0, 0, 16, ip);
 877         screen->widgets.ip_mask_l = widget_new_label(set, 0, 0, "/");
 878         screen->widgets.ip_mask_f = widget_new_textbox(set, 0, 0, 3, mask);
 879         screen->widgets.ip_addr_mask_help_l =
 880                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.10 / 24)"));
 881
 882         widget_textbox_set_fixed_size(screen->widgets.ip_addr_f);
 883         widget_textbox_set_fixed_size(screen->widgets.ip_mask_f);
 884         widget_textbox_set_validator_ipv4(screen->widgets.ip_addr_f);
 885         widget_textbox_set_validator_integer(screen->widgets.ip_mask_f, 1, 31);
 886
 887         screen->widgets.gateway_l = widget_new_label(set, 0, 0, _("Gateway:"));
 888         screen->widgets.gateway_f = widget_new_textbox(set, 0, 0, 16, gw);
 889         screen->widgets.gateway_help_l =
 890                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.1)"));
 891
 892         widget_textbox_set_fixed_size(screen->widgets.gateway_f);
 893         widget_textbox_set_validator_ipv4(screen->widgets.gateway_f);
 894
 895         str = talloc_strdup(screen, "");
 896         for (i = 0; i < config->network.n_dns_servers; i++) {
 897                 str = talloc_asprintf_append(str, "%s%s",
 898                                 (i == 0) ? "" : " ",
 899                                 config->network.dns_servers[i]);
 900         }
 901
 902         screen->widgets.dns_l = widget_new_label(set, 0, 0,
 903                                         _("DNS Server(s):"));
 904         screen->widgets.dns_f = widget_new_textbox(set, 0, 0, 32, str);
 905         screen->widgets.dns_help_l =
 906                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.2)"));
 907
 908         widget_textbox_set_validator_ipv4_multi(screen->widgets.dns_f);
 909
 910         screen->widgets.dns_dhcp_help_l = widget_new_label(set, 0, 0,
 911                         _("(if not provided by DHCP server)"));
 912
 913         if (config->safe_mode)
 914                 screen->widgets.safe_mode = widget_new_label(set, 0, 0,
 915                          _("Selecting 'OK' will exit safe mode"));
 916
 917         screen->widgets.allow_write_l = widget_new_label(set, 0, 0,
 918                         _("Disk R/W:"));
 919         screen->widgets.allow_write_f = widget_new_select(set, 0, 0,
 920                                                 COLS - screen->field_x);
 921
 922         widget_select_add_option(screen->widgets.allow_write_f, 0,
 923                                 _("Prevent all writes to disk"),
 924                                 !config->allow_writes);
 925         widget_select_add_option(screen->widgets.allow_write_f, 1,
 926                                 _("Allow bootloader scripts to modify disks"),
 927                                 config->allow_writes);
 928
 929         screen->widgets.ok_b = widget_new_button(set, 0, 0, 10, _("OK"),
 930                         ok_click, screen);
 931         screen->widgets.help_b = widget_new_button(set, 0, 0, 10, _("Help"),
 932                         help_click, screen);
 933         screen->widgets.cancel_b = widget_new_button(set, 0, 0, 10, _("Cancel"),
 934                         cancel_click, screen);
 935 }
 936
 937 static void config_screen_widget_focus(struct nc_widget *widget, void *arg)
 938 {
 939         struct config_screen *screen = arg;
 940         int w_y, s_max;
 941
 942         w_y = widget_y(widget) + widget_focus_y(widget);
 943         s_max = getmaxy(screen->scr.sub_ncw) - 1;
 944
 945         if (w_y < screen->scroll_y)
 946                 screen->scroll_y = w_y;
 947
 948         else if (w_y + screen->scroll_y + 1 > s_max)
 949                 screen->scroll_y = 1 + w_y - s_max;
 950
 951         else
 952                 return;
 953
 954         pad_refresh(screen);
 955 }
 956
 957 static void config_screen_draw(struct config_screen *screen,
 958                 const struct config *config,
 959                 const struct system_info *sysinfo)
 960 {
 961         bool repost = false;
 962         int height;
 963
 964         /* The size of the pad we'll need depends on the number of interfaces.
 965          *
 966          * We use N_FIELDS (which is quite conservative, as some fields share
 967          * a line) as a base, then:
 968          * - add 6 (as the network select & boot device select fields take 3
 969          *   lines each),
 970          * - add n_interfaces for every field in the network select field, and
 971          * - add (n_blockdevs + n_interfaces) for every field in the boot device
 972          *   select field
 973          */
 974         height = N_FIELDS + 6;
 975         if (sysinfo) {
 976                 height += sysinfo->n_interfaces;
 977                 height += (sysinfo->n_blockdevs + sysinfo->n_interfaces);
 978         }
 979         if (!screen->pad || getmaxy(screen->pad) < height) {
 980                 if (screen->pad)
 981                         delwin(screen->pad);
 982                 screen->pad = newpad(height, COLS + 10);
 983         }
 984
 985         if (screen->widgetset) {
 986                 widgetset_unpost(screen->widgetset);
 987                 talloc_free(screen->widgetset);
 988                 repost = true;
 989         }
 990
 991         screen->widgetset = widgetset_create(screen, screen->scr.main_ncw,
 992                         screen->pad);
 993         widgetset_set_widget_focus(screen->widgetset,
 994                         config_screen_widget_focus, screen);
 995
 996         if (!config || !sysinfo) {
 997                 config_screen_setup_empty(screen);
 998         } else {
 999                 screen->net_conf_type = find_net_conf_type(config);
1000                 config_screen_setup_widgets(screen, config, sysinfo);
1001                 config_screen_layout_widgets(screen);
1002         }
1003
1004         if (repost)
1005                 widgetset_post(screen->widgetset);
1006 }
1007
1008 void config_screen_update(struct config_screen *screen,
1009                 const struct config *config,
1010                 const struct system_info *sysinfo)
1011 {
1012         config_screen_draw(screen, config, sysinfo);
1013         pad_refresh(screen);
1014 }
1015
1016 static int config_screen_destroy(void *arg)
1017 {
1018         struct config_screen *screen = arg;
1019         if (screen->pad)
1020                 delwin(screen->pad);
1021         return 0;
1022 }
1023
1024 struct config_screen *config_screen_init(struct cui *cui,
1025                 const struct config *config,
1026                 const struct system_info *sysinfo,
1027                 void (*on_exit)(struct cui *))
1028 {
1029         struct config_screen *screen;
1030
1031         screen = talloc_zero(cui, struct config_screen);
1032         talloc_set_destructor(screen, config_screen_destroy);
1033         nc_scr_init(&screen->scr, pb_config_screen_sig, 0,
1034                         cui, config_screen_process_key,
1035                         config_screen_post, config_screen_unpost,
1036                         config_screen_resize);
1037
1038         screen->cui = cui;
1039         screen->on_exit = on_exit;
1040         screen->need_redraw = false;
1041         screen->label_x = 2;
1042         screen->field_x = 17;
1043
1044         screen->ipmi_override = false;
1045         screen->show_subset = false;
1046
1047         screen->scr.frame.ltitle = talloc_strdup(screen,
1048                         _("Petitboot System Configuration"));
1049         screen->scr.frame.rtitle = NULL;
1050         screen->scr.frame.help = talloc_strdup(screen,
1051                         _("tab=next, shift+tab=previous, x=exit, h=help"));
1052         nc_scr_frame_draw(&screen->scr);
1053
1054         scrollok(screen->scr.sub_ncw, true);
1055
1056         config_screen_draw(screen, config, sysinfo);
1057
1058         return screen;
1059 }