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_move(wf, y, screen->field_x);
 415         y += widget_height(wf);
 416
 417         show = screen->autoboot_enabled;
 418
 419         if (show)
 420                 y += 1;
 421
 422         wl = widget_label_base(screen->widgets.boot_order_l);
 423         widget_set_visible(wl, show);
 424         widget_move(wl, y, screen->label_x);
 425
 426         wf = widget_subset_base(screen->widgets.boot_order_f);
 427         widget_move(wf, y, screen->field_x);
 428         wl = widget_label_base(screen->widgets.boot_empty_l);
 429         widget_move(wl, y, screen->field_x);
 430
 431         if (widget_subset_height(screen->widgets.boot_order_f)) {
 432                 widget_set_visible(wl, false);
 433                 widget_set_visible(wf, show);
 434                 y += show ? widget_height(wf) : 0;
 435         } else {
 436                 widget_set_visible(wl, show);
 437                 widget_set_visible(wf, false);
 438                 y += show ? 1 : 0;
 439         }
 440
 441         if (show) {
 442                 y += 1;
 443                 widget_move(widget_button_base(screen->widgets.boot_add_b),
 444                                 y++, screen->field_x);
 445                 widget_move(widget_button_base(screen->widgets.boot_any_b),
 446                                 y++, screen->field_x);
 447                 widget_move(widget_button_base(screen->widgets.boot_none_b),
 448                                 y, screen->field_x);
 449         }
 450
 451         wf = widget_button_base(screen->widgets.boot_add_b);
 452         if (widget_subset_n_inactive(screen->widgets.boot_order_f) && show)
 453                 widget_set_visible(wf, true);
 454         else
 455                 widget_set_visible(wf, false);
 456
 457         if (show)
 458                 y += 2;
 459
 460         widget_set_visible(widget_button_base(screen->widgets.boot_any_b), show);
 461         widget_set_visible(widget_button_base(screen->widgets.boot_none_b), show);
 462
 463         wf = widget_textbox_base(screen->widgets.timeout_f);
 464         wl = widget_label_base(screen->widgets.timeout_l);
 465         wh = widget_label_base(screen->widgets.timeout_help_l);
 466         widget_set_visible(wl, screen->autoboot_enabled);
 467         widget_set_visible(wf, screen->autoboot_enabled);
 468         widget_set_visible(wh, screen->autoboot_enabled);
 469         if (screen->autoboot_enabled) {
 470                 widget_set_visible(wh, screen->autoboot_enabled);
 471                 widget_move(wl, y, screen->label_x);
 472                 widget_move(wf, y, screen->field_x);
 473                 widget_move(wh, y, screen->field_x + widget_width(wf) + 1);
 474                 y += 2;
 475         }
 476
 477         if (screen->ipmi_override) {
 478                 wl = widget_label_base(screen->widgets.ipmi_type_l);
 479                 widget_set_visible(wl, true);
 480                 widget_move(wl, y, screen->label_x);
 481                 y += 1;
 482
 483                 wl = widget_label_base(screen->widgets.ipmi_clear_l);
 484                 wf = widget_checkbox_base(screen->widgets.ipmi_clear_cb);
 485                 widget_set_visible(wl, true);
 486                 widget_set_visible(wf, true);
 487                 widget_move(wl, y, screen->label_x);
 488                 widget_move(wf, y, screen->field_x);
 489                 y += 1;
 490         }
 491
 492         y += 1;
 493
 494         y += layout_pair(screen, y, screen->widgets.network_l,
 495                         widget_select_base(screen->widgets.network_f));
 496
 497         y += 1;
 498
 499         /* conditionally show iface select */
 500         wl = widget_label_base(screen->widgets.iface_l);
 501         wf = widget_select_base(screen->widgets.iface_f);
 502
 503         show = screen->net_conf_type == NET_CONF_TYPE_DHCP_ONE ||
 504                 screen->net_conf_type == NET_CONF_TYPE_STATIC;
 505
 506         widget_set_visible(wl, show);
 507         widget_set_visible(wf, show);
 508
 509         if (show)
 510                 y += layout_pair(screen, y, screen->widgets.iface_l, wf) + 1;
 511
 512         /* conditionally show static IP params */
 513         show = screen->net_conf_type == NET_CONF_TYPE_STATIC;
 514
 515         wl = widget_label_base(screen->widgets.ip_addr_l);
 516         wf = widget_textbox_base(screen->widgets.ip_addr_f);
 517         widget_set_visible(wl, show);
 518         widget_set_visible(wf, show);
 519         x = screen->field_x + widget_width(wf) + 1;
 520
 521         if (show)
 522                 layout_pair(screen, y, screen->widgets.ip_addr_l, wf);
 523
 524         wl = widget_label_base(screen->widgets.ip_mask_l);
 525         wf = widget_textbox_base(screen->widgets.ip_mask_f);
 526         widget_set_visible(wl, show);
 527         widget_set_visible(wf, show);
 528
 529         if (show) {
 530                 widget_move(wl, y, x);
 531                 widget_move(wf, y, x + 2);
 532         }
 533
 534         /* help for IP/mask */
 535         wh = widget_label_base(screen->widgets.ip_addr_mask_help_l);
 536         widget_set_visible(wh, show);
 537         if (show) {
 538                 widget_move(wh, y, help_x);
 539                 y++;
 540         }
 541
 542         wl = widget_label_base(screen->widgets.gateway_l);
 543         wf = widget_textbox_base(screen->widgets.gateway_f);
 544         wh = widget_label_base(screen->widgets.gateway_help_l);
 545         widget_set_visible(wl, show);
 546         widget_set_visible(wf, show);
 547         widget_set_visible(wh, show);
 548
 549         if (show) {
 550                 layout_pair(screen, y, screen->widgets.gateway_l, wf);
 551                 widget_move(wh, y, help_x);
 552                 y++;
 553         }
 554
 555         wl = widget_label_base(screen->widgets.url_l);
 556         wf = widget_textbox_base(screen->widgets.url_f);
 557         wh = widget_label_base(screen->widgets.url_help_l);
 558         widget_set_visible(wl, show);
 559         widget_set_visible(wf, show);
 560         widget_set_visible(wh, show);
 561
 562         if (show) {
 563                 layout_pair(screen, y, screen->widgets.url_l, wf);
 564                 widget_move(wh, y, help_x);
 565                 y++;
 566         }
 567
 568         wh = widget_label_base(screen->widgets.dns_help_l);
 569         layout_pair(screen, y, screen->widgets.dns_l,
 570                         widget_textbox_base(screen->widgets.dns_f));
 571         widget_move(wh, y, help_x);
 572         y++;
 573
 574         /* we show the DNS/DHCP help if we're configuring DHCP */
 575         show = screen->net_conf_type != NET_CONF_TYPE_STATIC;
 576         wl = widget_label_base(screen->widgets.dns_dhcp_help_l);
 577         widget_set_visible(wl, show);
 578         if (show) {
 579                 widget_move(wl, y, screen->field_x);
 580                 y += 1;
 581         }
 582
 583         y += 1;
 584
 585         show = screen->cui->config->safe_mode;
 586         if (show) {
 587                 widget_move(widget_label_base(screen->widgets.safe_mode),
 588                         y, screen->field_x);
 589                 y += 1;
 590         }
 591
 592         layout_pair(screen, y, screen->widgets.allow_write_l,
 593                     widget_select_base(screen->widgets.allow_write_f));
 594         y += widget_height(widget_select_base(screen->widgets.allow_write_f));
 595
 596         y += 1;
 597
 598         if (widget_height(widget_select_base(screen->widgets.boot_tty_f))) {
 599                 layout_pair(screen, y, screen->widgets.boot_tty_l,
 600                             widget_select_base(screen->widgets.boot_tty_f));
 601                 y += widget_height(widget_select_base(screen->widgets.boot_tty_f));
 602                 widget_move(widget_label_base(screen->widgets.current_tty_l),
 603                         y, screen->field_x);
 604                 y += 2;
 605         } else {
 606                 widget_set_visible(widget_label_base(
 607                                         screen->widgets.boot_tty_l), false);
 608                 widget_set_visible(widget_select_base(
 609                                         screen->widgets.boot_tty_f), false);
 610                 widget_set_visible(widget_label_base(
 611                                         screen->widgets.current_tty_l), false);
 612         }
 613
 614         widget_move(widget_button_base(screen->widgets.ok_b),
 615                         y, screen->field_x);
 616         widget_move(widget_button_base(screen->widgets.help_b),
 617                         y, screen->field_x + 14);
 618         widget_move(widget_button_base(screen->widgets.cancel_b),
 619                         y, screen->field_x + 28);
 620 }
 621
 622 static void config_screen_network_change(void *arg, int value)
 623 {
 624         struct config_screen *screen = arg;
 625         screen->net_conf_type = value;
 626         widgetset_unpost(screen->widgetset);
 627         config_screen_layout_widgets(screen);
 628         widgetset_post(screen->widgetset);
 629 }
 630
 631 static void config_screen_boot_order_change(void *arg, int value)
 632 {
 633         (void)value;
 634         struct config_screen *screen = arg;
 635         widgetset_unpost(screen->widgetset);
 636         config_screen_layout_widgets(screen);
 637         widgetset_post(screen->widgetset);
 638 }
 639
 640 static void config_screen_autoboot_change(void *arg, int value)
 641 {
 642         struct config_screen *screen = arg;
 643         screen->autoboot_enabled = !!value;
 644         widgetset_unpost(screen->widgetset);
 645         config_screen_layout_widgets(screen);
 646         widgetset_post(screen->widgetset);
 647 }
 648
 649 static void config_screen_add_device(void *arg)
 650 {
 651         struct config_screen *screen = arg;
 652
 653         screen->show_subset = true;
 654         cui_show_subset(screen->cui, _("Select a boot device to add"),
 655                         screen->widgets.boot_order_f);
 656 }
 657
 658 static void config_screen_autoboot_none(void *arg)
 659 {
 660         struct config_screen *screen = arg;
 661         struct nc_widget_subset *subset = screen->widgets.boot_order_f;
 662
 663         widget_subset_clear_active(subset);
 664
 665         widgetset_unpost(screen->widgetset);
 666         config_screen_layout_widgets(screen);
 667         widgetset_post(screen->widgetset);
 668 }
 669
 670 static void config_screen_autoboot_any(void *arg)
 671 {
 672         struct config_screen *screen = arg;
 673         const struct system_info *sysinfo = screen->cui->sysinfo;
 674         struct nc_widget_subset *subset = screen->widgets.boot_order_f;
 675         int idx;
 676
 677         widget_subset_clear_active(subset);
 678
 679         idx = sysinfo->n_blockdevs + sysinfo->n_interfaces + DEVICE_TYPE_ANY;
 680
 681         widget_subset_make_active(screen->widgets.boot_order_f, idx);
 682
 683         screen->autoboot_enabled = true;
 684
 685         widgetset_unpost(screen->widgetset);
 686         config_screen_layout_widgets(screen);
 687         widgetset_post(screen->widgetset);
 688 }
 689
 690 static void config_screen_update_subset(void *arg,
 691                         struct nc_widget_subset *subset, int idx)
 692 {
 693         struct config_screen *screen = arg;
 694
 695         if (idx >= 0)
 696                 widget_subset_make_active(subset, idx);
 697         if (!screen->autoboot_enabled)
 698                 screen->autoboot_enabled = true;
 699         config_screen_layout_widgets(screen);
 700 }
 701
 702 static struct interface_config *first_active_interface(
 703                 const struct config *config)
 704 {
 705         unsigned int i;
 706
 707         for (i = 0; i < config->network.n_interfaces; i++) {
 708                 if (config->network.interfaces[i]->ignore)
 709                         continue;
 710                 return config->network.interfaces[i];
 711         }
 712         return NULL;
 713 }
 714
 715 static enum net_conf_type find_net_conf_type(const struct config *config)
 716 {
 717         struct interface_config *ifcfg;
 718
 719         ifcfg = first_active_interface(config);
 720
 721         if (!ifcfg)
 722                 return NET_CONF_TYPE_DHCP_ALL;
 723
 724         else if (ifcfg->method == CONFIG_METHOD_DHCP)
 725                 return NET_CONF_TYPE_DHCP_ONE;
 726
 727         else if (ifcfg->method == CONFIG_METHOD_STATIC)
 728                 return NET_CONF_TYPE_STATIC;
 729
 730         assert(0);
 731         return NET_CONF_TYPE_DHCP_ALL;
 732 }
 733
 734 static void config_screen_setup_empty(struct config_screen *screen)
 735 {
 736         widget_new_label(screen->widgetset, 2, screen->field_x,
 737                         _("Waiting for configuration data..."));
 738         screen->widgets.cancel_b = widget_new_button(screen->widgetset,
 739                         4, screen->field_x, 9, _("Cancel"),
 740                         cancel_click, screen);
 741 }
 742
 743 static int find_autoboot_idx(const struct system_info *sysinfo,
 744                 struct autoboot_option *opt)
 745 {
 746         unsigned int i;
 747
 748         if (opt->boot_type == BOOT_DEVICE_TYPE)
 749                 return sysinfo->n_blockdevs + sysinfo->n_interfaces + opt->type;
 750
 751         for (i = 0; i < sysinfo->n_blockdevs; i++) {
 752                 if (!strcmp(sysinfo->blockdevs[i]->uuid, opt->uuid))
 753                         return i;
 754         }
 755
 756         for (i = 0; i < sysinfo->n_interfaces; i++) {
 757                 struct interface_info *info = sysinfo->interfaces[i];
 758                 char mac[20];
 759
 760                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 761
 762                 if (!strcmp(mac, opt->uuid))
 763                         return sysinfo->n_blockdevs + i;
 764         }
 765
 766         return -1;
 767 }
 768
 769 static void config_screen_setup_widgets(struct config_screen *screen,
 770                 const struct config *config,
 771                 const struct system_info *sysinfo)
 772 {
 773         struct nc_widgetset *set = screen->widgetset;
 774         struct interface_config *ifcfg;
 775         char *str, *ip, *mask, *gw, *url, *tty;
 776         enum net_conf_type type;
 777         unsigned int i;
 778         int add_len, clear_len, any_len, min_len = 20;
 779         bool found;
 780
 781         build_assert(sizeof(screen->widgets) / sizeof(struct widget *)
 782                         == N_FIELDS);
 783
 784         type = screen->net_conf_type;
 785         ifcfg = first_active_interface(config);
 786
 787         screen->autoboot_enabled = config->autoboot_enabled;
 788
 789         screen->widgets.autoboot_l = widget_new_label(set, 0, 0,
 790                                         _("Autoboot:"));
 791         screen->widgets.autoboot_f = widget_new_select(set, 0, 0,
 792                                         COLS - screen->field_x - 1);
 793
 794         widget_select_add_option(screen->widgets.autoboot_f, 0, _("Disabled"),
 795                                  !screen->autoboot_enabled);
 796         widget_select_add_option(screen->widgets.autoboot_f, 1, _("Enabled"),
 797                                  screen->autoboot_enabled);
 798
 799         widget_select_on_change(screen->widgets.autoboot_f,
 800                         config_screen_autoboot_change, screen);
 801
 802         add_len = max(min_len, strncols(_("Add Device")));
 803         clear_len = max(min_len, strncols(_("Clear")));
 804         any_len = max(min_len, strncols(_("Clear & Boot Any")));
 805
 806         screen->widgets.boot_add_b = widget_new_button(set, 0, 0, add_len,
 807                                         _("Add Device"),
 808                                         config_screen_add_device, screen);
 809
 810         screen->widgets.boot_none_b = widget_new_button(set, 0, 0, clear_len,
 811                                         _("Clear"),
 812                                         config_screen_autoboot_none, screen);
 813
 814         screen->widgets.boot_any_b = widget_new_button(set, 0, 0, any_len,
 815                                         _("Clear & Boot Any"),
 816                                         config_screen_autoboot_any, screen);
 817
 818         screen->widgets.boot_order_l = widget_new_label(set, 0, 0,
 819                                         _("Boot Order:"));
 820         screen->widgets.boot_order_f = widget_new_subset(set, 0, 0,
 821                                         COLS - screen->field_x,
 822                                         config_screen_update_subset);
 823         screen->widgets.boot_empty_l = widget_new_label(set, 0, 0,
 824                                         _("(None)"));
 825
 826         widget_subset_on_change(screen->widgets.boot_order_f,
 827                         config_screen_boot_order_change, screen);
 828
 829         for (i = 0; i < sysinfo->n_blockdevs; i++) {
 830                 struct blockdev_info *bd = sysinfo->blockdevs[i];
 831                 char *label;
 832
 833                 label = talloc_asprintf(screen, _("disk: %s [uuid: %s]"),
 834                                 bd->name, bd->uuid);
 835
 836                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 837         }
 838
 839         for (i = 0; i < sysinfo->n_interfaces; i++) {
 840                 struct interface_info *info = sysinfo->interfaces[i];
 841                 char *label, mac[20];
 842
 843                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 844
 845                 label = talloc_asprintf(screen, _("net:  %s [mac: %s]"),
 846                                 info->name, mac);
 847
 848                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 849         }
 850
 851         for (i = DEVICE_TYPE_NETWORK; i < DEVICE_TYPE_UNKNOWN; i++) {
 852                 char *label;
 853
 854                 if (i == DEVICE_TYPE_ANY)
 855                         label = talloc_asprintf(screen, _("Any Device"));
 856                 else
 857                         label = talloc_asprintf(screen, _("Any %s device"),
 858                                                 device_type_display_name(i));
 859
 860                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 861         }
 862
 863         for (i = 0; i < config->n_autoboot_opts; i++) {
 864                 struct autoboot_option *opt = &config->autoboot_opts[i];
 865                 int idx;
 866
 867                 idx = find_autoboot_idx(sysinfo, opt);
 868
 869                 if (idx >= 0) {
 870                         widget_subset_make_active(screen->widgets.boot_order_f,
 871                                                   idx);
 872                 } else {
 873                         if (opt->boot_type == BOOT_DEVICE_TYPE)
 874                                 pb_log("%s: Unknown autoboot option: %d\n",
 875                                        __func__, opt->type);
 876                         else
 877                                 pb_log("%s: Unknown autoboot UUID: %s\n",
 878                                        __func__, opt->uuid);
 879                 }
 880         }
 881
 882
 883         str = talloc_asprintf(screen, "%d", config->autoboot_timeout_sec);
 884         screen->widgets.timeout_l = widget_new_label(set, 0, 0, _("Timeout:"));
 885         screen->widgets.timeout_f = widget_new_textbox(set, 0, 0, 5, str);
 886         screen->widgets.timeout_help_l = widget_new_label(set, 0, 0,
 887                                         _("seconds"));
 888
 889         widget_textbox_set_fixed_size(screen->widgets.timeout_f);
 890         widget_textbox_set_validator_integer(screen->widgets.timeout_f, 0, 999);
 891
 892         if (config->ipmi_bootdev) {
 893                 char *label = talloc_asprintf(screen,
 894                                 _("%s IPMI boot option: %s"),
 895                                 config->ipmi_bootdev_persistent ?
 896                                 "Persistent" : "Temporary",
 897                                 ipmi_bootdev_display_name(config->ipmi_bootdev));
 898                 screen->widgets.ipmi_type_l = widget_new_label(set, 0, 0,
 899                                                         label);
 900                 screen->widgets.ipmi_clear_l = widget_new_label(set, 0, 0,
 901                                                         _("Clear option:"));
 902                 screen->widgets.ipmi_clear_cb = widget_new_checkbox(set, 0, 0,
 903                                                         false);
 904                 screen->ipmi_override = true;
 905         }
 906
 907         screen->widgets.network_l = widget_new_label(set, 0, 0, _("Network:"));
 908         screen->widgets.network_f = widget_new_select(set, 0, 0,
 909                                                 COLS - screen->field_x - 1);
 910
 911         widget_select_add_option(screen->widgets.network_f,
 912                                         NET_CONF_TYPE_DHCP_ALL,
 913                                         _("DHCP on all active interfaces"),
 914                                         type == NET_CONF_TYPE_DHCP_ALL);
 915         widget_select_add_option(screen->widgets.network_f,
 916                                         NET_CONF_TYPE_DHCP_ONE,
 917                                         _("DHCP on a specific interface"),
 918                                         type == NET_CONF_TYPE_DHCP_ONE);
 919         widget_select_add_option(screen->widgets.network_f,
 920                                         NET_CONF_TYPE_STATIC,
 921                                         _("Static IP configuration"),
 922                                         type == NET_CONF_TYPE_STATIC);
 923
 924         widget_select_on_change(screen->widgets.network_f,
 925                         config_screen_network_change, screen);
 926
 927         screen->widgets.iface_l = widget_new_label(set, 0, 0, _("Device:"));
 928         screen->widgets.iface_f = widget_new_select(set, 0, 0, 50);
 929
 930         for (i = 0; i < sysinfo->n_interfaces; i++) {
 931                 struct interface_info *info = sysinfo->interfaces[i];
 932                 char str[50], mac[20];
 933                 bool is_default;
 934
 935                 is_default = ifcfg && !memcmp(ifcfg->hwaddr, info->hwaddr,
 936                                         sizeof(ifcfg->hwaddr));
 937
 938                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 939                 snprintf(str, sizeof(str), "%s [%s, %s]", info->name, mac,
 940                                 info->link ? _("link up") : _("link down"));
 941
 942                 widget_select_add_option(screen->widgets.iface_f,
 943                                                 i, str, is_default);
 944         }
 945
 946         url = gw = ip = mask = NULL;
 947         if (ifcfg && ifcfg->method == CONFIG_METHOD_STATIC) {
 948                 char *sep;
 949
 950                 str = talloc_strdup(screen, ifcfg->static_config.address);
 951                 sep = strchr(str, '/');
 952                 ip = str;
 953
 954                 if (sep) {
 955                         *sep = '\0';
 956                         mask = sep + 1;
 957                 }
 958                 gw = ifcfg->static_config.gateway;
 959                 url = ifcfg->static_config.url;
 960         }
 961
 962         screen->widgets.ip_addr_l = widget_new_label(set, 0, 0, _("IP/mask:"));
 963         screen->widgets.ip_addr_f = widget_new_textbox(set, 0, 0, 16, ip);
 964         screen->widgets.ip_mask_l = widget_new_label(set, 0, 0, "/");
 965         screen->widgets.ip_mask_f = widget_new_textbox(set, 0, 0, 3, mask);
 966         screen->widgets.ip_addr_mask_help_l =
 967                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.10 / 24)"));
 968
 969         widget_textbox_set_fixed_size(screen->widgets.ip_addr_f);
 970         widget_textbox_set_fixed_size(screen->widgets.ip_mask_f);
 971         widget_textbox_set_validator_ipv4(screen->widgets.ip_addr_f);
 972         widget_textbox_set_validator_integer(screen->widgets.ip_mask_f, 1, 31);
 973
 974         screen->widgets.gateway_l = widget_new_label(set, 0, 0, _("Gateway:"));
 975         screen->widgets.gateway_f = widget_new_textbox(set, 0, 0, 16, gw);
 976         screen->widgets.gateway_help_l =
 977                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.1)"));
 978
 979         widget_textbox_set_fixed_size(screen->widgets.gateway_f);
 980         widget_textbox_set_validator_ipv4(screen->widgets.gateway_f);
 981
 982         screen->widgets.url_l = widget_new_label(set, 0, 0, _("URL:"));
 983         screen->widgets.url_f = widget_new_textbox(set, 0, 0, 32, url);
 984         screen->widgets.url_help_l =
 985                 widget_new_label(set, 0, 0, _("(eg. tftp://)"));
 986
 987         str = talloc_strdup(screen, "");
 988         for (i = 0; i < config->network.n_dns_servers; i++) {
 989                 str = talloc_asprintf_append(str, "%s%s",
 990                                 (i == 0) ? "" : " ",
 991                                 config->network.dns_servers[i]);
 992         }
 993
 994         screen->widgets.dns_l = widget_new_label(set, 0, 0,
 995                                         _("DNS Server(s):"));
 996         screen->widgets.dns_f = widget_new_textbox(set, 0, 0, 32, str);
 997         screen->widgets.dns_help_l =
 998                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.2)"));
 999
1000         widget_textbox_set_validator_ipv4_multi(screen->widgets.dns_f);
1001
1002         screen->widgets.dns_dhcp_help_l = widget_new_label(set, 0, 0,
1003                         _("(if not provided by DHCP server)"));
1004
1005         if (config->safe_mode)
1006                 screen->widgets.safe_mode = widget_new_label(set, 0, 0,
1007                          _("Selecting 'OK' will exit safe mode"));
1008
1009         screen->widgets.allow_write_l = widget_new_label(set, 0, 0,
1010                         _("Disk R/W:"));
1011         screen->widgets.allow_write_f = widget_new_select(set, 0, 0,
1012                                                 COLS - screen->field_x - 1);
1013
1014         widget_select_add_option(screen->widgets.allow_write_f, 0,
1015                                 _("Prevent all writes to disk"),
1016                                 !config->allow_writes);
1017
1018         widget_select_add_option(screen->widgets.allow_write_f, 1,
1019                                 _("Allow bootloader scripts to modify disks"),
1020                                 config->allow_writes);
1021
1022         screen->widgets.boot_tty_l = widget_new_label(set, 0, 0,
1023                         _("Default tty:"));
1024         screen->widgets.boot_tty_f = widget_new_select(set, 0, 0,
1025                                                 COLS - screen->field_x - 1);
1026
1027         for (i = 0; i < config->n_tty; i++){
1028                 found = config->boot_tty &&
1029                         strncmp(config->boot_tty, config->tty_list[i],
1030                                 strlen(config->boot_tty)) == 0;
1031                 widget_select_add_option(screen->widgets.boot_tty_f, i,
1032                                         config->tty_list[i], found);
1033         }
1034
1035         tty = talloc_asprintf(screen, _("Current interface: %s"),
1036                                 ttyname(STDIN_FILENO));
1037         screen->widgets.current_tty_l = widget_new_label(set, 0 , 0, tty);
1038
1039         screen->widgets.ok_b = widget_new_button(set, 0, 0, 10, _("OK"),
1040                         ok_click, screen);
1041         screen->widgets.help_b = widget_new_button(set, 0, 0, 10, _("Help"),
1042                         help_click, screen);
1043         screen->widgets.cancel_b = widget_new_button(set, 0, 0, 10, _("Cancel"),
1044                         cancel_click, screen);
1045 }
1046
1047 static void config_screen_widget_focus(struct nc_widget *widget, void *arg)
1048 {
1049         struct config_screen *screen = arg;
1050         int w_y, w_height, w_focus, s_max, adjust;
1051
1052         w_height = widget_height(widget);
1053         w_focus = widget_focus_y(widget);
1054         w_y = widget_y(widget) + w_focus;
1055         s_max = getmaxy(screen->scr.sub_ncw) - 1;
1056
1057         if (w_y < screen->scroll_y)
1058                 screen->scroll_y = w_y;
1059
1060         else if (w_y + screen->scroll_y + 1 > s_max) {
1061                 /* Fit as much of the widget into the screen as possible */
1062                 adjust = min(s_max - 1, w_height - w_focus);
1063                 if (w_y + adjust >= screen->scroll_y + s_max)
1064                         screen->scroll_y = max(0, 1 + w_y + adjust - s_max);
1065         } else
1066                 return;
1067
1068         pad_refresh(screen);
1069 }
1070
1071 static void config_screen_draw(struct config_screen *screen,
1072                 const struct config *config,
1073                 const struct system_info *sysinfo)
1074 {
1075         bool repost = false;
1076         int height;
1077
1078         /* The size of the pad we'll need depends on the number of interfaces.
1079          *
1080          * We use N_FIELDS (which is quite conservative, as some fields share
1081          * a line) as a base, then:
1082          * - add 6 (as the network select & boot device select fields take 3
1083          *   lines each),
1084          * - add n_interfaces for every field in the network select field, and
1085          * - add (n_blockdevs + n_interfaces) for every field in the boot device
1086          *   select field
1087          */
1088         height = N_FIELDS + 6;
1089         if (sysinfo) {
1090                 height += sysinfo->n_interfaces;
1091                 height += (sysinfo->n_blockdevs + sysinfo->n_interfaces);
1092         }
1093         if (!screen->pad || getmaxy(screen->pad) < height) {
1094                 if (screen->pad)
1095                         delwin(screen->pad);
1096                 screen->pad = newpad(height, COLS + 10);
1097         }
1098
1099         if (screen->widgetset) {
1100                 widgetset_unpost(screen->widgetset);
1101                 talloc_free(screen->widgetset);
1102                 repost = true;
1103         }
1104
1105         screen->widgetset = widgetset_create(screen, screen->scr.main_ncw,
1106                         screen->pad);
1107         widgetset_set_widget_focus(screen->widgetset,
1108                         config_screen_widget_focus, screen);
1109
1110         if (!config || !sysinfo) {
1111                 config_screen_setup_empty(screen);
1112         } else {
1113                 screen->net_conf_type = find_net_conf_type(config);
1114                 config_screen_setup_widgets(screen, config, sysinfo);
1115                 config_screen_layout_widgets(screen);
1116         }
1117
1118         if (repost)
1119                 widgetset_post(screen->widgetset);
1120 }
1121
1122 void config_screen_update(struct config_screen *screen,
1123                 const struct config *config,
1124                 const struct system_info *sysinfo)
1125 {
1126         if (screen->cui->current != config_screen_scr(screen)) {
1127                 screen->need_update = true;
1128                 return;
1129         }
1130
1131         config_screen_draw(screen, config, sysinfo);
1132         pad_refresh(screen);
1133 }
1134
1135 static int config_screen_post(struct nc_scr *scr)
1136 {
1137         struct config_screen *screen = config_screen_from_scr(scr);
1138         screen->show_subset = false;
1139
1140         if (screen->need_update) {
1141                 config_screen_draw(screen, screen->cui->config,
1142                                    screen->cui->sysinfo);
1143                 screen->need_update = false;
1144         } else {
1145                 widgetset_post(screen->widgetset);
1146         }
1147
1148         nc_scr_frame_draw(scr);
1149         if (screen->need_redraw) {
1150                 redrawwin(scr->main_ncw);
1151                 screen->need_redraw = false;
1152         }
1153         wrefresh(screen->scr.main_ncw);
1154         pad_refresh(screen);
1155         return 0;
1156 }
1157
1158 static int config_screen_destroy(void *arg)
1159 {
1160         struct config_screen *screen = arg;
1161         if (screen->pad)
1162                 delwin(screen->pad);
1163         return 0;
1164 }
1165
1166 struct config_screen *config_screen_init(struct cui *cui,
1167                 const struct config *config,
1168                 const struct system_info *sysinfo,
1169                 void (*on_exit)(struct cui *))
1170 {
1171         struct config_screen *screen;
1172
1173         screen = talloc_zero(cui, struct config_screen);
1174         talloc_set_destructor(screen, config_screen_destroy);
1175         nc_scr_init(&screen->scr, pb_config_screen_sig, 0,
1176                         cui, config_screen_process_key,
1177                         config_screen_post, config_screen_unpost,
1178                         config_screen_resize);
1179
1180         screen->cui = cui;
1181         screen->on_exit = on_exit;
1182         screen->need_redraw = false;
1183         screen->need_update = false;
1184         screen->label_x = 2;
1185         screen->field_x = 17;
1186
1187         screen->ipmi_override = false;
1188         screen->show_subset = false;
1189
1190         screen->scr.frame.ltitle = talloc_strdup(screen,
1191                         _("Petitboot System Configuration"));
1192         screen->scr.frame.rtitle = NULL;
1193         screen->scr.frame.help = talloc_strdup(screen,
1194                         _("tab=next, shift+tab=previous, x=exit, h=help"));
1195         nc_scr_frame_draw(&screen->scr);
1196
1197         scrollok(screen->scr.sub_ncw, true);
1198
1199         config_screen_draw(screen, config, sysinfo);
1200
1201         return screen;
1202 }