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         bool                    need_update;
  57
  58         void                    (*on_exit)(struct cui *);
  59
  60         int                     scroll_y;
  61
  62         int                     label_x;
  63         int                     field_x;
  64         int                     network_config_y;
  65
  66         enum net_conf_type      net_conf_type;
  67
  68         bool                    autoboot_enabled;
  69         bool                    ipmi_override;
  70
  71         struct {
  72                 struct nc_widget_label          *boot_order_l;
  73                 struct nc_widget_subset         *boot_order_f;
  74                 struct nc_widget_label          *boot_empty_l;
  75                 struct nc_widget_button         *boot_add_b;
  76                 struct nc_widget_button         *boot_none_b;
  77                 struct nc_widget_button         *boot_any_b;
  78                 struct nc_widget_textbox        *timeout_f;
  79                 struct nc_widget_label          *timeout_l;
  80                 struct nc_widget_label          *timeout_help_l;
  81
  82                 struct nc_widget_label          *ipmi_type_l;
  83                 struct nc_widget_label          *ipmi_clear_l;
  84                 struct nc_widget_checkbox       *ipmi_clear_cb;
  85
  86                 struct nc_widget_label          *network_l;
  87                 struct nc_widget_select         *network_f;
  88
  89                 struct nc_widget_label          *iface_l;
  90                 struct nc_widget_select         *iface_f;
  91                 struct nc_widget_label          *ip_addr_l;
  92                 struct nc_widget_textbox        *ip_addr_f;
  93                 struct nc_widget_label          *ip_mask_l;
  94                 struct nc_widget_textbox        *ip_mask_f;
  95                 struct nc_widget_label          *ip_addr_mask_help_l;
  96                 struct nc_widget_label          *gateway_l;
  97                 struct nc_widget_textbox        *gateway_f;
  98                 struct nc_widget_label          *gateway_help_l;
  99                 struct nc_widget_label          *dns_l;
 100                 struct nc_widget_textbox        *dns_f;
 101                 struct nc_widget_label          *dns_dhcp_help_l;
 102                 struct nc_widget_label          *dns_help_l;
 103
 104                 struct nc_widget_label          *allow_write_l;
 105                 struct nc_widget_select         *allow_write_f;
 106
 107                 struct nc_widget_label          *safe_mode;
 108                 struct nc_widget_button         *ok_b;
 109                 struct nc_widget_button         *help_b;
 110                 struct nc_widget_button         *cancel_b;
 111         } widgets;
 112 };
 113
 114 static struct config_screen *config_screen_from_scr(struct nc_scr *scr)
 115 {
 116         struct config_screen *config_screen;
 117
 118         assert(scr->sig == pb_config_screen_sig);
 119         config_screen = (struct config_screen *)
 120                 ((char *)scr - (size_t)&((struct config_screen *)0)->scr);
 121         assert(config_screen->scr.sig == pb_config_screen_sig);
 122         return config_screen;
 123 }
 124
 125 static void pad_refresh(struct config_screen *screen)
 126 {
 127         int y, x, rows, cols;
 128
 129         getmaxyx(screen->scr.sub_ncw, rows, cols);
 130         getbegyx(screen->scr.sub_ncw, y, x);
 131
 132         prefresh(screen->pad, screen->scroll_y, 0, y, x, rows, cols);
 133 }
 134
 135 static void config_screen_process_key(struct nc_scr *scr, int key)
 136 {
 137         struct config_screen *screen = config_screen_from_scr(scr);
 138         bool handled;
 139
 140         handled = widgetset_process_key(screen->widgetset, key);
 141
 142         if (!handled) {
 143                 switch (key) {
 144                 case 'x':
 145                 case 27: /* esc */
 146                         screen->exit = true;
 147                         break;
 148                 case 'h':
 149                         screen->show_help = true;
 150                         break;
 151                 }
 152         }
 153
 154         if (screen->exit) {
 155                 screen->on_exit(screen->cui);
 156
 157         } else if (screen->show_help) {
 158                 screen->show_help = false;
 159                 screen->need_redraw = true;
 160                 cui_show_help(screen->cui, _("System Configuration"),
 161                                 &config_help_text);
 162
 163         } else if (handled && !screen->show_subset) {
 164                 pad_refresh(screen);
 165         }
 166 }
 167
 168 static void config_screen_resize(struct nc_scr *scr)
 169 {
 170         struct config_screen *screen = config_screen_from_scr(scr);
 171         (void)screen;
 172 }
 173
 174 static int config_screen_unpost(struct nc_scr *scr)
 175 {
 176         struct config_screen *screen = config_screen_from_scr(scr);
 177         widgetset_unpost(screen->widgetset);
 178         return 0;
 179 }
 180
 181 struct nc_scr *config_screen_scr(struct config_screen *screen)
 182 {
 183         return &screen->scr;
 184 }
 185
 186 static int screen_process_form(struct config_screen *screen)
 187 {
 188         const struct system_info *sysinfo = screen->cui->sysinfo;
 189         enum net_conf_type net_conf_type;
 190         struct interface_config *iface;
 191         char *str, *end;
 192         struct config *config;
 193         int i, n_boot_opts, rc, idx;
 194         unsigned int *order;
 195         bool allow_write;
 196         char mac[20];
 197
 198         config = config_copy(screen, screen->cui->config);
 199
 200         talloc_free(config->autoboot_opts);
 201         config->n_autoboot_opts = 0;
 202
 203         n_boot_opts = widget_subset_get_order(config, &order,
 204                                               screen->widgets.boot_order_f);
 205
 206         config->autoboot_enabled = n_boot_opts > 0;
 207
 208         config->n_autoboot_opts = n_boot_opts;
 209         config->autoboot_opts = talloc_array(config, struct autoboot_option,
 210                                              n_boot_opts);
 211
 212         for (i = 0; i < n_boot_opts; i++) {
 213                 if (order[i] < sysinfo->n_blockdevs) {
 214                         /* disk uuid */
 215                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_UUID;
 216                         config->autoboot_opts[i].uuid = talloc_strdup(config,
 217                                                         sysinfo->blockdevs[order[i]]->uuid);
 218                 } else if(order[i] < (sysinfo->n_blockdevs + sysinfo->n_interfaces)) {
 219                         /* net uuid */
 220                         order[i] -= sysinfo->n_blockdevs;
 221                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_UUID;
 222                         mac_str(sysinfo->interfaces[order[i]]->hwaddr,
 223                                 sysinfo->interfaces[order[i]]->hwaddr_size,
 224                                 mac, sizeof(mac));
 225                         config->autoboot_opts[i].uuid = talloc_strdup(config, mac);
 226                 } else {
 227                         /* device type */
 228                         order[i] -= (sysinfo->n_blockdevs + sysinfo->n_interfaces);
 229                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_TYPE;
 230                         config->autoboot_opts[i].type = order[i];
 231                 }
 232         }
 233
 234         str = widget_textbox_get_value(screen->widgets.timeout_f);
 235         if (str) {
 236                 unsigned long x;
 237                 errno = 0;
 238                 x = strtoul(str, &end, 10);
 239                 if (!errno && end != str)
 240                         config->autoboot_timeout_sec = x;
 241         }
 242
 243         if (screen->ipmi_override)
 244                 if (widget_checkbox_get_value(screen->widgets.ipmi_clear_cb))
 245                         config->ipmi_bootdev = IPMI_BOOTDEV_INVALID;
 246
 247
 248         net_conf_type = widget_select_get_value(screen->widgets.network_f);
 249
 250         /* if we don't have any network interfaces, prevent per-interface
 251          * configuration */
 252         if (sysinfo->n_interfaces == 0)
 253                 net_conf_type = NET_CONF_TYPE_DHCP_ALL;
 254
 255         if (net_conf_type == NET_CONF_TYPE_DHCP_ALL) {
 256                 config->network.n_interfaces = 0;
 257
 258         } else {
 259                 iface = talloc_zero(config, struct interface_config);
 260                 config->network.n_interfaces = 1;
 261                 config->network.interfaces = talloc_array(config,
 262                                 struct interface_config *, 1);
 263                 config->network.interfaces[0] = iface;
 264
 265                 /* copy hwaddr (from the sysinfo interface data) to
 266                  * the configuration */
 267                 idx = widget_select_get_value(screen->widgets.iface_f);
 268                 memcpy(iface->hwaddr, sysinfo->interfaces[idx]->hwaddr,
 269                                 sizeof(iface->hwaddr));
 270         }
 271
 272         if (net_conf_type == NET_CONF_TYPE_DHCP_ONE) {
 273                 iface->method = CONFIG_METHOD_DHCP;
 274         }
 275
 276         if (net_conf_type == NET_CONF_TYPE_STATIC) {
 277                 char *ip, *mask, *gateway;
 278
 279                 ip = widget_textbox_get_value(screen->widgets.ip_addr_f);
 280                 mask = widget_textbox_get_value(screen->widgets.ip_mask_f);
 281                 gateway = widget_textbox_get_value(screen->widgets.gateway_f);
 282
 283                 if (!ip || !*ip || !mask || !*mask) {
 284                         screen->scr.frame.status =
 285                                 _("No IP / mask values are set");
 286                         nc_scr_frame_draw(&screen->scr);
 287                         talloc_free(config);
 288                         return -1;
 289                 }
 290
 291                 iface->method = CONFIG_METHOD_STATIC;
 292                 iface->static_config.address = talloc_asprintf(iface, "%s/%s",
 293                                 ip, mask);
 294                 iface->static_config.gateway = talloc_strdup(iface, gateway);
 295         }
 296
 297         str = widget_textbox_get_value(screen->widgets.dns_f);
 298         talloc_free(config->network.dns_servers);
 299         config->network.dns_servers = NULL;
 300         config->network.n_dns_servers = 0;
 301
 302         if (str && strlen(str)) {
 303                 char *dns, *tmp;
 304                 int i;
 305
 306                 for (;;) {
 307                         dns = strtok_r(str, " \t", &tmp);
 308
 309                         if (!dns)
 310                                 break;
 311
 312                         i = config->network.n_dns_servers++;
 313                         config->network.dns_servers = talloc_realloc(config,
 314                                         config->network.dns_servers,
 315                                         const char *,
 316                                         config->network.n_dns_servers);
 317                         config->network.dns_servers[i] =
 318                                 talloc_strdup(config, dns);
 319
 320                         str = NULL;
 321                 }
 322         }
 323
 324         allow_write = widget_select_get_value(screen->widgets.allow_write_f);
 325         if (allow_write != config->allow_writes)
 326                 config->allow_writes = allow_write;
 327
 328         config->safe_mode = false;
 329         rc = cui_send_config(screen->cui, config);
 330         talloc_free(config);
 331
 332         if (rc)
 333                 pb_log("cui_send_config failed!\n");
 334         else
 335                 pb_debug("config sent!\n");
 336
 337         return 0;
 338 }
 339
 340 static void ok_click(void *arg)
 341 {
 342         struct config_screen *screen = arg;
 343         if (screen_process_form(screen))
 344                 /* errors are written to the status line, so we'll need
 345                  * to refresh */
 346                 wrefresh(screen->scr.main_ncw);
 347         else
 348                 screen->exit = true;
 349 }
 350
 351 static void help_click(void *arg)
 352 {
 353         struct config_screen *screen = arg;
 354         screen->show_help = true;
 355 }
 356
 357 static void cancel_click(void *arg)
 358 {
 359         struct config_screen *screen = arg;
 360         screen->exit = true;
 361 }
 362
 363 static int layout_pair(struct config_screen *screen, int y,
 364                 struct nc_widget_label *label,
 365                 struct nc_widget *field)
 366 {
 367         struct nc_widget *label_w = widget_label_base(label);
 368         widget_move(label_w, y, screen->label_x);
 369         widget_move(field, y, screen->field_x);
 370         return max(widget_height(label_w), widget_height(field));
 371 }
 372
 373 static void config_screen_layout_widgets(struct config_screen *screen)
 374 {
 375         struct nc_widget *wl, *wf, *wh;
 376         int y, x, help_x;
 377         bool show;
 378
 379         y = 1;
 380         /* currently, the longest label we have is the DNS-servers
 381          * widget, so layout our screen based on that */
 382         help_x = screen->field_x + 2 +
 383                 widget_width(widget_textbox_base(screen->widgets.dns_f));
 384
 385         wl = widget_label_base(screen->widgets.boot_order_l);
 386         widget_set_visible(wl, true);
 387         widget_move(wl, y, screen->label_x);
 388
 389         wf = widget_subset_base(screen->widgets.boot_order_f);
 390         widget_move(wf, y, screen->field_x);
 391         wl = widget_label_base(screen->widgets.boot_empty_l);
 392         widget_move(wl, y, screen->field_x);
 393
 394         if (widget_subset_height(screen->widgets.boot_order_f)) {
 395                 widget_set_visible(wf, true);
 396                 widget_set_visible(wl, false);
 397                 y += widget_height(wf);
 398         } else {
 399                 widget_set_visible(wl, true);
 400                 widget_set_visible(wf, false);
 401                 y += 1;
 402         }
 403
 404         y += 1;
 405
 406         widget_move(widget_button_base(screen->widgets.boot_add_b),
 407                         y++, screen->field_x);
 408         widget_move(widget_button_base(screen->widgets.boot_any_b),
 409                         y++, screen->field_x);
 410         widget_move(widget_button_base(screen->widgets.boot_none_b),
 411                         y, screen->field_x);
 412
 413         wf = widget_button_base(screen->widgets.boot_add_b);
 414         if (widget_subset_n_inactive(screen->widgets.boot_order_f))
 415                 widget_set_visible(wf, true);
 416         else
 417                 widget_set_visible(wf, false);
 418
 419         y += 2;
 420
 421         wf = widget_textbox_base(screen->widgets.timeout_f);
 422         wl = widget_label_base(screen->widgets.timeout_l);
 423         wh = widget_label_base(screen->widgets.timeout_help_l);
 424         widget_set_visible(wl, screen->autoboot_enabled);
 425         widget_set_visible(wf, screen->autoboot_enabled);
 426         widget_set_visible(wh, screen->autoboot_enabled);
 427         if (screen->autoboot_enabled) {
 428                 widget_set_visible(wh, screen->autoboot_enabled);
 429                 widget_move(wl, y, screen->label_x);
 430                 widget_move(wf, y, screen->field_x);
 431                 widget_move(wh, y, screen->field_x + widget_width(wf) + 1);
 432                 y += 2;
 433         }
 434
 435         if (screen->ipmi_override) {
 436                 wl = widget_label_base(screen->widgets.ipmi_type_l);
 437                 widget_set_visible(wl, true);
 438                 widget_move(wl, y, screen->label_x);
 439                 y += 1;
 440
 441                 wl = widget_label_base(screen->widgets.ipmi_clear_l);
 442                 wf = widget_checkbox_base(screen->widgets.ipmi_clear_cb);
 443                 widget_set_visible(wl, true);
 444                 widget_set_visible(wf, true);
 445                 widget_move(wl, y, screen->label_x);
 446                 widget_move(wf, y, screen->field_x);
 447                 y += 1;
 448         }
 449
 450         y += 1;
 451
 452         y += layout_pair(screen, y, screen->widgets.network_l,
 453                         widget_select_base(screen->widgets.network_f));
 454
 455         y += 1;
 456
 457         /* conditionally show iface select */
 458         wl = widget_label_base(screen->widgets.iface_l);
 459         wf = widget_select_base(screen->widgets.iface_f);
 460
 461         show = screen->net_conf_type == NET_CONF_TYPE_DHCP_ONE ||
 462                 screen->net_conf_type == NET_CONF_TYPE_STATIC;
 463
 464         widget_set_visible(wl, show);
 465         widget_set_visible(wf, show);
 466
 467         if (show)
 468                 y += layout_pair(screen, y, screen->widgets.iface_l, wf) + 1;
 469
 470         /* conditionally show static IP params */
 471         show = screen->net_conf_type == NET_CONF_TYPE_STATIC;
 472
 473         wl = widget_label_base(screen->widgets.ip_addr_l);
 474         wf = widget_textbox_base(screen->widgets.ip_addr_f);
 475         widget_set_visible(wl, show);
 476         widget_set_visible(wf, show);
 477         x = screen->field_x + widget_width(wf) + 1;
 478
 479         if (show)
 480                 layout_pair(screen, y, screen->widgets.ip_addr_l, wf);
 481
 482         wl = widget_label_base(screen->widgets.ip_mask_l);
 483         wf = widget_textbox_base(screen->widgets.ip_mask_f);
 484         widget_set_visible(wl, show);
 485         widget_set_visible(wf, show);
 486
 487         if (show) {
 488                 widget_move(wl, y, x);
 489                 widget_move(wf, y, x + 2);
 490         }
 491
 492         /* help for IP/mask */
 493         wh = widget_label_base(screen->widgets.ip_addr_mask_help_l);
 494         widget_set_visible(wh, show);
 495         if (show) {
 496                 widget_move(wh, y, help_x);
 497                 y++;
 498         }
 499
 500         wl = widget_label_base(screen->widgets.gateway_l);
 501         wf = widget_textbox_base(screen->widgets.gateway_f);
 502         wh = widget_label_base(screen->widgets.gateway_help_l);
 503         widget_set_visible(wl, show);
 504         widget_set_visible(wf, show);
 505         widget_set_visible(wh, show);
 506
 507         if (show) {
 508                 layout_pair(screen, y, screen->widgets.gateway_l, wf);
 509                 widget_move(wh, y, help_x);
 510                 y++;
 511         }
 512
 513         wh = widget_label_base(screen->widgets.dns_help_l);
 514         layout_pair(screen, y, screen->widgets.dns_l,
 515                         widget_textbox_base(screen->widgets.dns_f));
 516         widget_move(wh, y, help_x);
 517         y++;
 518
 519         /* we show the DNS/DHCP help if we're configuring DHCP */
 520         show = screen->net_conf_type != NET_CONF_TYPE_STATIC;
 521         wl = widget_label_base(screen->widgets.dns_dhcp_help_l);
 522         widget_set_visible(wl, show);
 523         if (show) {
 524                 widget_move(wl, y, screen->field_x);
 525                 y += 1;
 526         }
 527
 528         y += 1;
 529
 530         show = screen->cui->config->safe_mode;
 531         if (show) {
 532                 widget_move(widget_label_base(screen->widgets.safe_mode),
 533                         y, screen->field_x);
 534                 y += 1;
 535         }
 536
 537         layout_pair(screen, y, screen->widgets.allow_write_l,
 538                     widget_select_base(screen->widgets.allow_write_f));
 539         y += widget_height(widget_select_base(screen->widgets.allow_write_f));
 540
 541         y += 1;
 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 + 14);
 547         widget_move(widget_button_base(screen->widgets.cancel_b),
 548                         y, screen->field_x + 28);
 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         int add_len, clear_len, any_len, min_len = 20;
 700
 701         build_assert(sizeof(screen->widgets) / sizeof(struct widget *)
 702                         == N_FIELDS);
 703
 704         type = screen->net_conf_type;
 705         ifcfg = first_active_interface(config);
 706
 707         add_len = max(min_len, strncols(_("Add Device")));
 708         clear_len = max(min_len, strncols(_("Clear")));
 709         any_len = max(min_len, strncols(_("Clear & Boot Any")));
 710
 711         screen->widgets.boot_add_b = widget_new_button(set, 0, 0, add_len,
 712                                         _("Add Device"),
 713                                         config_screen_add_device, screen);
 714
 715         screen->widgets.boot_none_b = widget_new_button(set, 0, 0, clear_len,
 716                                         _("Clear"),
 717                                         config_screen_autoboot_none, screen);
 718
 719         screen->widgets.boot_any_b = widget_new_button(set, 0, 0, any_len,
 720                                         _("Clear & Boot Any"),
 721                                         config_screen_autoboot_any, screen);
 722
 723         screen->widgets.boot_order_l = widget_new_label(set, 0, 0,
 724                                         _("Boot Order:"));
 725         screen->widgets.boot_order_f = widget_new_subset(set, 0, 0,
 726                                         COLS - screen->field_x,
 727                                         config_screen_update_subset);
 728         screen->widgets.boot_empty_l = widget_new_label(set, 0, 0,
 729                                         _("(None)"));
 730
 731         widget_subset_on_change(screen->widgets.boot_order_f,
 732                         config_screen_boot_order_change, screen);
 733
 734         for (i = 0; i < sysinfo->n_blockdevs; i++) {
 735                 struct blockdev_info *bd = sysinfo->blockdevs[i];
 736                 char *label;
 737
 738                 label = talloc_asprintf(screen, _("disk: %s [uuid: %s]"),
 739                                 bd->name, bd->uuid);
 740
 741                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 742         }
 743
 744         for (i = 0; i < sysinfo->n_interfaces; i++) {
 745                 struct interface_info *info = sysinfo->interfaces[i];
 746                 char *label, mac[20];
 747
 748                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 749
 750                 label = talloc_asprintf(screen, _("net:  %s [mac: %s]"),
 751                                 info->name, mac);
 752
 753                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 754         }
 755
 756         for (i = DEVICE_TYPE_NETWORK; i < DEVICE_TYPE_UNKNOWN; i++) {
 757                 char *label;
 758
 759                 if (i == DEVICE_TYPE_ANY)
 760                         label = talloc_asprintf(screen, _("Any Device"));
 761                 else
 762                         label = talloc_asprintf(screen, _("Any %s device"),
 763                                                 device_type_display_name(i));
 764
 765                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 766         }
 767
 768         screen->autoboot_enabled = config->n_autoboot_opts;
 769         for (i = 0; i < config->n_autoboot_opts; i++) {
 770                 struct autoboot_option *opt = &config->autoboot_opts[i];
 771                 int idx;
 772
 773                 idx = find_autoboot_idx(sysinfo, opt);
 774
 775                 if (idx >= 0) {
 776                         widget_subset_make_active(screen->widgets.boot_order_f,
 777                                                   idx);
 778                 } else {
 779                         if (opt->boot_type == BOOT_DEVICE_TYPE)
 780                                 pb_log("%s: Unknown autoboot option: %d\n",
 781                                        __func__, opt->type);
 782                         else
 783                                 pb_log("%s: Unknown autoboot UUID: %s\n",
 784                                        __func__, opt->uuid);
 785                 }
 786         }
 787
 788
 789         str = talloc_asprintf(screen, "%d", config->autoboot_timeout_sec);
 790         screen->widgets.timeout_l = widget_new_label(set, 0, 0, _("Timeout:"));
 791         screen->widgets.timeout_f = widget_new_textbox(set, 0, 0, 5, str);
 792         screen->widgets.timeout_help_l = widget_new_label(set, 0, 0,
 793                                         _("seconds"));
 794
 795         widget_textbox_set_fixed_size(screen->widgets.timeout_f);
 796         widget_textbox_set_validator_integer(screen->widgets.timeout_f, 0, 999);
 797
 798         if (config->ipmi_bootdev) {
 799                 char *label = talloc_asprintf(screen,
 800                                 _("%s IPMI boot option: %s"),
 801                                 config->ipmi_bootdev_persistent ?
 802                                 "Persistent" : "Temporary",
 803                                 ipmi_bootdev_display_name(config->ipmi_bootdev));
 804                 screen->widgets.ipmi_type_l = widget_new_label(set, 0, 0,
 805                                                         label);
 806                 screen->widgets.ipmi_clear_l = widget_new_label(set, 0, 0,
 807                                                         _("Clear option:"));
 808                 screen->widgets.ipmi_clear_cb = widget_new_checkbox(set, 0, 0,
 809                                                         false);
 810                 screen->ipmi_override = true;
 811         }
 812
 813         screen->widgets.network_l = widget_new_label(set, 0, 0, _("Network:"));
 814         screen->widgets.network_f = widget_new_select(set, 0, 0, 50);
 815
 816         widget_select_add_option(screen->widgets.network_f,
 817                                         NET_CONF_TYPE_DHCP_ALL,
 818                                         _("DHCP on all active interfaces"),
 819                                         type == NET_CONF_TYPE_DHCP_ALL);
 820         widget_select_add_option(screen->widgets.network_f,
 821                                         NET_CONF_TYPE_DHCP_ONE,
 822                                         _("DHCP on a specific interface"),
 823                                         type == NET_CONF_TYPE_DHCP_ONE);
 824         widget_select_add_option(screen->widgets.network_f,
 825                                         NET_CONF_TYPE_STATIC,
 826                                         _("Static IP configuration"),
 827                                         type == NET_CONF_TYPE_STATIC);
 828
 829         widget_select_on_change(screen->widgets.network_f,
 830                         config_screen_network_change, screen);
 831
 832         screen->widgets.iface_l = widget_new_label(set, 0, 0, _("Device:"));
 833         screen->widgets.iface_f = widget_new_select(set, 0, 0, 50);
 834
 835         for (i = 0; i < sysinfo->n_interfaces; i++) {
 836                 struct interface_info *info = sysinfo->interfaces[i];
 837                 char str[50], mac[20];
 838                 bool is_default;
 839
 840                 is_default = ifcfg && !memcmp(ifcfg->hwaddr, info->hwaddr,
 841                                         sizeof(ifcfg->hwaddr));
 842
 843                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 844                 snprintf(str, sizeof(str), "%s [%s, %s]", info->name, mac,
 845                                 info->link ? _("link up") : _("link down"));
 846
 847                 widget_select_add_option(screen->widgets.iface_f,
 848                                                 i, str, is_default);
 849         }
 850
 851         gw = ip = mask = NULL;
 852         if (ifcfg && ifcfg->method == CONFIG_METHOD_STATIC) {
 853                 char *sep;
 854
 855                 str = talloc_strdup(screen, ifcfg->static_config.address);
 856                 sep = strchr(str, '/');
 857                 ip = str;
 858
 859                 if (sep) {
 860                         *sep = '\0';
 861                         mask = sep + 1;
 862                 }
 863                 gw = ifcfg->static_config.gateway;
 864         }
 865
 866         screen->widgets.ip_addr_l = widget_new_label(set, 0, 0, _("IP/mask:"));
 867         screen->widgets.ip_addr_f = widget_new_textbox(set, 0, 0, 16, ip);
 868         screen->widgets.ip_mask_l = widget_new_label(set, 0, 0, "/");
 869         screen->widgets.ip_mask_f = widget_new_textbox(set, 0, 0, 3, mask);
 870         screen->widgets.ip_addr_mask_help_l =
 871                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.10 / 24)"));
 872
 873         widget_textbox_set_fixed_size(screen->widgets.ip_addr_f);
 874         widget_textbox_set_fixed_size(screen->widgets.ip_mask_f);
 875         widget_textbox_set_validator_ipv4(screen->widgets.ip_addr_f);
 876         widget_textbox_set_validator_integer(screen->widgets.ip_mask_f, 1, 31);
 877
 878         screen->widgets.gateway_l = widget_new_label(set, 0, 0, _("Gateway:"));
 879         screen->widgets.gateway_f = widget_new_textbox(set, 0, 0, 16, gw);
 880         screen->widgets.gateway_help_l =
 881                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.1)"));
 882
 883         widget_textbox_set_fixed_size(screen->widgets.gateway_f);
 884         widget_textbox_set_validator_ipv4(screen->widgets.gateway_f);
 885
 886         str = talloc_strdup(screen, "");
 887         for (i = 0; i < config->network.n_dns_servers; i++) {
 888                 str = talloc_asprintf_append(str, "%s%s",
 889                                 (i == 0) ? "" : " ",
 890                                 config->network.dns_servers[i]);
 891         }
 892
 893         screen->widgets.dns_l = widget_new_label(set, 0, 0,
 894                                         _("DNS Server(s):"));
 895         screen->widgets.dns_f = widget_new_textbox(set, 0, 0, 32, str);
 896         screen->widgets.dns_help_l =
 897                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.2)"));
 898
 899         widget_textbox_set_validator_ipv4_multi(screen->widgets.dns_f);
 900
 901         screen->widgets.dns_dhcp_help_l = widget_new_label(set, 0, 0,
 902                         _("(if not provided by DHCP server)"));
 903
 904         if (config->safe_mode)
 905                 screen->widgets.safe_mode = widget_new_label(set, 0, 0,
 906                          _("Selecting 'OK' will exit safe mode"));
 907
 908         screen->widgets.allow_write_l = widget_new_label(set, 0, 0,
 909                         _("Disk R/W:"));
 910         screen->widgets.allow_write_f = widget_new_select(set, 0, 0,
 911                                                 COLS - screen->field_x);
 912
 913         widget_select_add_option(screen->widgets.allow_write_f, 0,
 914                                 _("Prevent all writes to disk"),
 915                                 !config->allow_writes);
 916         widget_select_add_option(screen->widgets.allow_write_f, 1,
 917                                 _("Allow bootloader scripts to modify disks"),
 918                                 config->allow_writes);
 919
 920         screen->widgets.ok_b = widget_new_button(set, 0, 0, 10, _("OK"),
 921                         ok_click, screen);
 922         screen->widgets.help_b = widget_new_button(set, 0, 0, 10, _("Help"),
 923                         help_click, screen);
 924         screen->widgets.cancel_b = widget_new_button(set, 0, 0, 10, _("Cancel"),
 925                         cancel_click, screen);
 926 }
 927
 928 static void config_screen_widget_focus(struct nc_widget *widget, void *arg)
 929 {
 930         struct config_screen *screen = arg;
 931         int w_y, s_max;
 932
 933         w_y = widget_y(widget) + widget_focus_y(widget);
 934         s_max = getmaxy(screen->scr.sub_ncw) - 1;
 935
 936         if (w_y < screen->scroll_y)
 937                 screen->scroll_y = w_y;
 938
 939         else if (w_y + screen->scroll_y + 1 > s_max)
 940                 screen->scroll_y = 1 + w_y - s_max;
 941
 942         else
 943                 return;
 944
 945         pad_refresh(screen);
 946 }
 947
 948 static void config_screen_draw(struct config_screen *screen,
 949                 const struct config *config,
 950                 const struct system_info *sysinfo)
 951 {
 952         bool repost = false;
 953         int height;
 954
 955         /* The size of the pad we'll need depends on the number of interfaces.
 956          *
 957          * We use N_FIELDS (which is quite conservative, as some fields share
 958          * a line) as a base, then:
 959          * - add 6 (as the network select & boot device select fields take 3
 960          *   lines each),
 961          * - add n_interfaces for every field in the network select field, and
 962          * - add (n_blockdevs + n_interfaces) for every field in the boot device
 963          *   select field
 964          */
 965         height = N_FIELDS + 6;
 966         if (sysinfo) {
 967                 height += sysinfo->n_interfaces;
 968                 height += (sysinfo->n_blockdevs + sysinfo->n_interfaces);
 969         }
 970         if (!screen->pad || getmaxy(screen->pad) < height) {
 971                 if (screen->pad)
 972                         delwin(screen->pad);
 973                 screen->pad = newpad(height, COLS + 10);
 974         }
 975
 976         if (screen->widgetset) {
 977                 widgetset_unpost(screen->widgetset);
 978                 talloc_free(screen->widgetset);
 979                 repost = true;
 980         }
 981
 982         screen->widgetset = widgetset_create(screen, screen->scr.main_ncw,
 983                         screen->pad);
 984         widgetset_set_widget_focus(screen->widgetset,
 985                         config_screen_widget_focus, screen);
 986
 987         if (!config || !sysinfo) {
 988                 config_screen_setup_empty(screen);
 989         } else {
 990                 screen->net_conf_type = find_net_conf_type(config);
 991                 config_screen_setup_widgets(screen, config, sysinfo);
 992                 config_screen_layout_widgets(screen);
 993         }
 994
 995         if (repost)
 996                 widgetset_post(screen->widgetset);
 997 }
 998
 999 void config_screen_update(struct config_screen *screen,
1000                 const struct config *config,
1001                 const struct system_info *sysinfo)
1002 {
1003         if (screen->cui->current != config_screen_scr(screen)) {
1004                 screen->need_update = true;
1005                 return;
1006         }
1007
1008         config_screen_draw(screen, config, sysinfo);
1009         pad_refresh(screen);
1010 }
1011
1012 static int config_screen_post(struct nc_scr *scr)
1013 {
1014         struct config_screen *screen = config_screen_from_scr(scr);
1015         screen->show_subset = false;
1016
1017         if (screen->need_update) {
1018                 config_screen_draw(screen, screen->cui->config,
1019                                    screen->cui->sysinfo);
1020                 screen->need_update = false;
1021         } else {
1022                 widgetset_post(screen->widgetset);
1023         }
1024
1025         nc_scr_frame_draw(scr);
1026         if (screen->need_redraw) {
1027                 redrawwin(scr->main_ncw);
1028                 screen->need_redraw = false;
1029         }
1030         wrefresh(screen->scr.main_ncw);
1031         pad_refresh(screen);
1032         return 0;
1033 }
1034
1035 static int config_screen_destroy(void *arg)
1036 {
1037         struct config_screen *screen = arg;
1038         if (screen->pad)
1039                 delwin(screen->pad);
1040         return 0;
1041 }
1042
1043 struct config_screen *config_screen_init(struct cui *cui,
1044                 const struct config *config,
1045                 const struct system_info *sysinfo,
1046                 void (*on_exit)(struct cui *))
1047 {
1048         struct config_screen *screen;
1049
1050         screen = talloc_zero(cui, struct config_screen);
1051         talloc_set_destructor(screen, config_screen_destroy);
1052         nc_scr_init(&screen->scr, pb_config_screen_sig, 0,
1053                         cui, config_screen_process_key,
1054                         config_screen_post, config_screen_unpost,
1055                         config_screen_resize);
1056
1057         screen->cui = cui;
1058         screen->on_exit = on_exit;
1059         screen->need_redraw = false;
1060         screen->need_update = false;
1061         screen->label_x = 2;
1062         screen->field_x = 17;
1063
1064         screen->ipmi_override = false;
1065         screen->show_subset = false;
1066
1067         screen->scr.frame.ltitle = talloc_strdup(screen,
1068                         _("Petitboot System Configuration"));
1069         screen->scr.frame.rtitle = NULL;
1070         screen->scr.frame.help = talloc_strdup(screen,
1071                         _("tab=next, shift+tab=previous, x=exit, h=help"));
1072         nc_scr_frame_draw(&screen->scr);
1073
1074         scrollok(screen->scr.sub_ncw, true);
1075
1076         config_screen_draw(screen, config, sysinfo);
1077
1078         return screen;
1079 }