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