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        39
  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
 112                 struct nc_widget_label          *safe_mode;
 113                 struct nc_widget_button         *ok_b;
 114                 struct nc_widget_button         *help_b;
 115                 struct nc_widget_button         *cancel_b;
 116         } widgets;
 117 };
 118
 119 static struct config_screen *config_screen_from_scr(struct nc_scr *scr)
 120 {
 121         struct config_screen *config_screen;
 122
 123         assert(scr->sig == pb_config_screen_sig);
 124         config_screen = (struct config_screen *)
 125                 ((char *)scr - (size_t)&((struct config_screen *)0)->scr);
 126         assert(config_screen->scr.sig == pb_config_screen_sig);
 127         return config_screen;
 128 }
 129
 130 static void pad_refresh(struct config_screen *screen)
 131 {
 132         int y, x, rows, cols;
 133
 134         getmaxyx(screen->scr.sub_ncw, rows, cols);
 135         getbegyx(screen->scr.sub_ncw, y, x);
 136
 137         prefresh(screen->pad, screen->scroll_y, 0, y, x, rows, cols);
 138 }
 139
 140 static void config_screen_process_key(struct nc_scr *scr, int key)
 141 {
 142         struct config_screen *screen = config_screen_from_scr(scr);
 143         bool handled;
 144
 145         handled = widgetset_process_key(screen->widgetset, key);
 146
 147         if (!handled) {
 148                 switch (key) {
 149                 case 'x':
 150                 case 27: /* esc */
 151                         screen->exit = true;
 152                         break;
 153                 case 'h':
 154                         screen->show_help = true;
 155                         break;
 156                 }
 157         }
 158
 159         if (screen->exit) {
 160                 screen->on_exit(screen->cui);
 161
 162         } else if (screen->show_help) {
 163                 screen->show_help = false;
 164                 screen->need_redraw = true;
 165                 cui_show_help(screen->cui, _("System Configuration"),
 166                                 &config_help_text);
 167
 168         } else if (handled && !screen->show_subset) {
 169                 pad_refresh(screen);
 170         }
 171 }
 172
 173 static void config_screen_resize(struct nc_scr *scr)
 174 {
 175         struct config_screen *screen = config_screen_from_scr(scr);
 176         (void)screen;
 177 }
 178
 179 static int config_screen_unpost(struct nc_scr *scr)
 180 {
 181         struct config_screen *screen = config_screen_from_scr(scr);
 182         widgetset_unpost(screen->widgetset);
 183         return 0;
 184 }
 185
 186 struct nc_scr *config_screen_scr(struct config_screen *screen)
 187 {
 188         return &screen->scr;
 189 }
 190
 191 static int screen_process_form(struct config_screen *screen)
 192 {
 193         const struct system_info *sysinfo = screen->cui->sysinfo;
 194         enum net_conf_type net_conf_type;
 195         struct interface_config *iface;
 196         bool allow_write, autoboot;
 197         char *str, *end;
 198         struct config *config;
 199         int i, n_boot_opts, rc, idx;
 200         unsigned int *order;
 201         char mac[20];
 202
 203         config = config_copy(screen, screen->cui->config);
 204
 205         talloc_free(config->autoboot_opts);
 206         config->n_autoboot_opts = 0;
 207
 208         n_boot_opts = widget_subset_get_order(config, &order,
 209                                               screen->widgets.boot_order_f);
 210
 211         autoboot = widget_select_get_value(screen->widgets.autoboot_f);
 212         config->autoboot_enabled = autoboot && n_boot_opts;
 213
 214         config->n_autoboot_opts = n_boot_opts;
 215         config->autoboot_opts = talloc_array(config, struct autoboot_option,
 216                                              n_boot_opts);
 217
 218         for (i = 0; i < n_boot_opts; i++) {
 219                 if (order[i] < sysinfo->n_blockdevs) {
 220                         /* disk uuid */
 221                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_UUID;
 222                         config->autoboot_opts[i].uuid = talloc_strdup(config,
 223                                                         sysinfo->blockdevs[order[i]]->uuid);
 224                 } else if(order[i] < (sysinfo->n_blockdevs + sysinfo->n_interfaces)) {
 225                         /* net uuid */
 226                         order[i] -= sysinfo->n_blockdevs;
 227                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_UUID;
 228                         mac_str(sysinfo->interfaces[order[i]]->hwaddr,
 229                                 sysinfo->interfaces[order[i]]->hwaddr_size,
 230                                 mac, sizeof(mac));
 231                         config->autoboot_opts[i].uuid = talloc_strdup(config, mac);
 232                 } else {
 233                         /* device type */
 234                         order[i] -= (sysinfo->n_blockdevs + sysinfo->n_interfaces);
 235                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_TYPE;
 236                         config->autoboot_opts[i].type = order[i];
 237                 }
 238         }
 239
 240         str = widget_textbox_get_value(screen->widgets.timeout_f);
 241         if (str) {
 242                 unsigned long x;
 243                 errno = 0;
 244                 x = strtoul(str, &end, 10);
 245                 if (!errno && end != str)
 246                         config->autoboot_timeout_sec = x;
 247         }
 248
 249         if (screen->ipmi_override)
 250                 if (widget_checkbox_get_value(screen->widgets.ipmi_clear_cb))
 251                         config->ipmi_bootdev = IPMI_BOOTDEV_INVALID;
 252
 253
 254         net_conf_type = widget_select_get_value(screen->widgets.network_f);
 255
 256         /* if we don't have any network interfaces, prevent per-interface
 257          * configuration */
 258         if (sysinfo->n_interfaces == 0)
 259                 net_conf_type = NET_CONF_TYPE_DHCP_ALL;
 260
 261         if (net_conf_type == NET_CONF_TYPE_DHCP_ALL) {
 262                 config->network.n_interfaces = 0;
 263
 264         } else {
 265                 iface = talloc_zero(config, struct interface_config);
 266                 config->network.n_interfaces = 1;
 267                 config->network.interfaces = talloc_array(config,
 268                                 struct interface_config *, 1);
 269                 config->network.interfaces[0] = iface;
 270
 271                 /* copy hwaddr (from the sysinfo interface data) to
 272                  * the configuration */
 273                 idx = widget_select_get_value(screen->widgets.iface_f);
 274                 memcpy(iface->hwaddr, sysinfo->interfaces[idx]->hwaddr,
 275                                 sizeof(iface->hwaddr));
 276         }
 277
 278         if (net_conf_type == NET_CONF_TYPE_DHCP_ONE) {
 279                 iface->method = CONFIG_METHOD_DHCP;
 280         }
 281
 282         if (net_conf_type == NET_CONF_TYPE_STATIC) {
 283                 char *ip, *mask, *gateway, *url;
 284
 285                 ip = widget_textbox_get_value(screen->widgets.ip_addr_f);
 286                 mask = widget_textbox_get_value(screen->widgets.ip_mask_f);
 287                 gateway = widget_textbox_get_value(screen->widgets.gateway_f);
 288                 url = widget_textbox_get_value(screen->widgets.url_f);
 289
 290                 if (!ip || !*ip || !mask || !*mask) {
 291                         screen->scr.frame.status =
 292                                 _("No IP / mask values are set");
 293                         nc_scr_frame_draw(&screen->scr);
 294                         talloc_free(config);
 295                         return -1;
 296                 }
 297
 298                 iface->method = CONFIG_METHOD_STATIC;
 299                 iface->static_config.address = talloc_asprintf(iface, "%s/%s",
 300                                 ip, mask);
 301                 iface->static_config.gateway = talloc_strdup(iface, gateway);
 302                 iface->static_config.url = talloc_strdup(iface, url);
 303         }
 304
 305         str = widget_textbox_get_value(screen->widgets.dns_f);
 306         talloc_free(config->network.dns_servers);
 307         config->network.dns_servers = NULL;
 308         config->network.n_dns_servers = 0;
 309
 310         if (str && strlen(str)) {
 311                 char *dns, *tmp;
 312                 int i;
 313
 314                 for (;;) {
 315                         dns = strtok_r(str, " \t", &tmp);
 316
 317                         if (!dns)
 318                                 break;
 319
 320                         i = config->network.n_dns_servers++;
 321                         config->network.dns_servers = talloc_realloc(config,
 322                                         config->network.dns_servers,
 323                                         const char *,
 324                                         config->network.n_dns_servers);
 325                         config->network.dns_servers[i] =
 326                                 talloc_strdup(config, dns);
 327
 328                         str = NULL;
 329                 }
 330         }
 331
 332         allow_write = widget_select_get_value(screen->widgets.allow_write_f);
 333         if (allow_write != config->allow_writes)
 334                 config->allow_writes = allow_write;
 335
 336         config->safe_mode = false;
 337         rc = cui_send_config(screen->cui, config);
 338         talloc_free(config);
 339
 340         if (rc)
 341                 pb_log("cui_send_config failed!\n");
 342         else
 343                 pb_debug("config sent!\n");
 344
 345         return 0;
 346 }
 347
 348 static void ok_click(void *arg)
 349 {
 350         struct config_screen *screen = arg;
 351         if (screen_process_form(screen))
 352                 /* errors are written to the status line, so we'll need
 353                  * to refresh */
 354                 wrefresh(screen->scr.main_ncw);
 355         else
 356                 screen->exit = true;
 357 }
 358
 359 static void help_click(void *arg)
 360 {
 361         struct config_screen *screen = arg;
 362         screen->show_help = true;
 363 }
 364
 365 static void cancel_click(void *arg)
 366 {
 367         struct config_screen *screen = arg;
 368         screen->exit = true;
 369 }
 370
 371 static int layout_pair(struct config_screen *screen, int y,
 372                 struct nc_widget_label *label,
 373                 struct nc_widget *field)
 374 {
 375         struct nc_widget *label_w = widget_label_base(label);
 376         widget_move(label_w, y, screen->label_x);
 377         widget_move(field, y, screen->field_x);
 378         return max(widget_height(label_w), widget_height(field));
 379 }
 380
 381 static void config_screen_layout_widgets(struct config_screen *screen)
 382 {
 383         struct nc_widget *wl, *wf, *wh;
 384         int y, x, help_x;
 385         bool show;
 386
 387         y = 1;
 388         /* currently, the longest label we have is the DNS-servers
 389          * widget, so layout our screen based on that */
 390         help_x = screen->field_x + 2 +
 391                 widget_width(widget_textbox_base(screen->widgets.dns_f));
 392
 393         wl = widget_label_base(screen->widgets.autoboot_l);
 394         widget_set_visible(wl, true);
 395         widget_move(wl, y, screen->label_x);
 396
 397         wf = widget_select_base(screen->widgets.autoboot_f);
 398         widget_move(wf, y, screen->field_x);
 399         y += widget_height(wf);
 400
 401         show = screen->autoboot_enabled;
 402
 403         if (show)
 404                 y += 1;
 405
 406         wl = widget_label_base(screen->widgets.boot_order_l);
 407         widget_set_visible(wl, show);
 408         widget_move(wl, y, screen->label_x);
 409
 410         wf = widget_subset_base(screen->widgets.boot_order_f);
 411         widget_move(wf, y, screen->field_x);
 412         wl = widget_label_base(screen->widgets.boot_empty_l);
 413         widget_move(wl, y, screen->field_x);
 414
 415         if (widget_subset_height(screen->widgets.boot_order_f)) {
 416                 widget_set_visible(wl, false);
 417                 widget_set_visible(wf, show);
 418                 y += show ? widget_height(wf) : 0;
 419         } else {
 420                 widget_set_visible(wl, show);
 421                 widget_set_visible(wf, false);
 422                 y += show ? 1 : 0;
 423         }
 424
 425         if (show) {
 426                 y += 1;
 427                 widget_move(widget_button_base(screen->widgets.boot_add_b),
 428                                 y++, screen->field_x);
 429                 widget_move(widget_button_base(screen->widgets.boot_any_b),
 430                                 y++, screen->field_x);
 431                 widget_move(widget_button_base(screen->widgets.boot_none_b),
 432                                 y, screen->field_x);
 433         }
 434
 435         wf = widget_button_base(screen->widgets.boot_add_b);
 436         if (widget_subset_n_inactive(screen->widgets.boot_order_f) && show)
 437                 widget_set_visible(wf, true);
 438         else
 439                 widget_set_visible(wf, false);
 440
 441         if (show)
 442                 y += 2;
 443
 444         widget_set_visible(widget_button_base(screen->widgets.boot_any_b), show);
 445         widget_set_visible(widget_button_base(screen->widgets.boot_none_b), show);
 446
 447         wf = widget_textbox_base(screen->widgets.timeout_f);
 448         wl = widget_label_base(screen->widgets.timeout_l);
 449         wh = widget_label_base(screen->widgets.timeout_help_l);
 450         widget_set_visible(wl, screen->autoboot_enabled);
 451         widget_set_visible(wf, screen->autoboot_enabled);
 452         widget_set_visible(wh, screen->autoboot_enabled);
 453         if (screen->autoboot_enabled) {
 454                 widget_set_visible(wh, screen->autoboot_enabled);
 455                 widget_move(wl, y, screen->label_x);
 456                 widget_move(wf, y, screen->field_x);
 457                 widget_move(wh, y, screen->field_x + widget_width(wf) + 1);
 458                 y += 2;
 459         }
 460
 461         if (screen->ipmi_override) {
 462                 wl = widget_label_base(screen->widgets.ipmi_type_l);
 463                 widget_set_visible(wl, true);
 464                 widget_move(wl, y, screen->label_x);
 465                 y += 1;
 466
 467                 wl = widget_label_base(screen->widgets.ipmi_clear_l);
 468                 wf = widget_checkbox_base(screen->widgets.ipmi_clear_cb);
 469                 widget_set_visible(wl, true);
 470                 widget_set_visible(wf, true);
 471                 widget_move(wl, y, screen->label_x);
 472                 widget_move(wf, y, screen->field_x);
 473                 y += 1;
 474         }
 475
 476         y += 1;
 477
 478         y += layout_pair(screen, y, screen->widgets.network_l,
 479                         widget_select_base(screen->widgets.network_f));
 480
 481         y += 1;
 482
 483         /* conditionally show iface select */
 484         wl = widget_label_base(screen->widgets.iface_l);
 485         wf = widget_select_base(screen->widgets.iface_f);
 486
 487         show = screen->net_conf_type == NET_CONF_TYPE_DHCP_ONE ||
 488                 screen->net_conf_type == NET_CONF_TYPE_STATIC;
 489
 490         widget_set_visible(wl, show);
 491         widget_set_visible(wf, show);
 492
 493         if (show)
 494                 y += layout_pair(screen, y, screen->widgets.iface_l, wf) + 1;
 495
 496         /* conditionally show static IP params */
 497         show = screen->net_conf_type == NET_CONF_TYPE_STATIC;
 498
 499         wl = widget_label_base(screen->widgets.ip_addr_l);
 500         wf = widget_textbox_base(screen->widgets.ip_addr_f);
 501         widget_set_visible(wl, show);
 502         widget_set_visible(wf, show);
 503         x = screen->field_x + widget_width(wf) + 1;
 504
 505         if (show)
 506                 layout_pair(screen, y, screen->widgets.ip_addr_l, wf);
 507
 508         wl = widget_label_base(screen->widgets.ip_mask_l);
 509         wf = widget_textbox_base(screen->widgets.ip_mask_f);
 510         widget_set_visible(wl, show);
 511         widget_set_visible(wf, show);
 512
 513         if (show) {
 514                 widget_move(wl, y, x);
 515                 widget_move(wf, y, x + 2);
 516         }
 517
 518         /* help for IP/mask */
 519         wh = widget_label_base(screen->widgets.ip_addr_mask_help_l);
 520         widget_set_visible(wh, show);
 521         if (show) {
 522                 widget_move(wh, y, help_x);
 523                 y++;
 524         }
 525
 526         wl = widget_label_base(screen->widgets.gateway_l);
 527         wf = widget_textbox_base(screen->widgets.gateway_f);
 528         wh = widget_label_base(screen->widgets.gateway_help_l);
 529         widget_set_visible(wl, show);
 530         widget_set_visible(wf, show);
 531         widget_set_visible(wh, show);
 532
 533         if (show) {
 534                 layout_pair(screen, y, screen->widgets.gateway_l, wf);
 535                 widget_move(wh, y, help_x);
 536                 y++;
 537         }
 538
 539         wl = widget_label_base(screen->widgets.url_l);
 540         wf = widget_textbox_base(screen->widgets.url_f);
 541         wh = widget_label_base(screen->widgets.url_help_l);
 542         widget_set_visible(wl, show);
 543         widget_set_visible(wf, show);
 544         widget_set_visible(wh, show);
 545
 546         if (show) {
 547                 layout_pair(screen, y, screen->widgets.url_l, wf);
 548                 widget_move(wh, y, help_x);
 549                 y++;
 550         }
 551
 552         wh = widget_label_base(screen->widgets.dns_help_l);
 553         layout_pair(screen, y, screen->widgets.dns_l,
 554                         widget_textbox_base(screen->widgets.dns_f));
 555         widget_move(wh, y, help_x);
 556         y++;
 557
 558         /* we show the DNS/DHCP help if we're configuring DHCP */
 559         show = screen->net_conf_type != NET_CONF_TYPE_STATIC;
 560         wl = widget_label_base(screen->widgets.dns_dhcp_help_l);
 561         widget_set_visible(wl, show);
 562         if (show) {
 563                 widget_move(wl, y, screen->field_x);
 564                 y += 1;
 565         }
 566
 567         y += 1;
 568
 569         show = screen->cui->config->safe_mode;
 570         if (show) {
 571                 widget_move(widget_label_base(screen->widgets.safe_mode),
 572                         y, screen->field_x);
 573                 y += 1;
 574         }
 575
 576         layout_pair(screen, y, screen->widgets.allow_write_l,
 577                     widget_select_base(screen->widgets.allow_write_f));
 578         y += widget_height(widget_select_base(screen->widgets.allow_write_f));
 579
 580         y += 1;
 581
 582         widget_move(widget_button_base(screen->widgets.ok_b),
 583                         y, screen->field_x);
 584         widget_move(widget_button_base(screen->widgets.help_b),
 585                         y, screen->field_x + 14);
 586         widget_move(widget_button_base(screen->widgets.cancel_b),
 587                         y, screen->field_x + 28);
 588 }
 589
 590 static void config_screen_network_change(void *arg, int value)
 591 {
 592         struct config_screen *screen = arg;
 593         screen->net_conf_type = value;
 594         widgetset_unpost(screen->widgetset);
 595         config_screen_layout_widgets(screen);
 596         widgetset_post(screen->widgetset);
 597 }
 598
 599 static void config_screen_boot_order_change(void *arg, int value)
 600 {
 601         (void)value;
 602         struct config_screen *screen = arg;
 603         widgetset_unpost(screen->widgetset);
 604         config_screen_layout_widgets(screen);
 605         widgetset_post(screen->widgetset);
 606 }
 607
 608 static void config_screen_autoboot_change(void *arg, int value)
 609 {
 610         struct config_screen *screen = arg;
 611         screen->autoboot_enabled = !!value;
 612         widgetset_unpost(screen->widgetset);
 613         config_screen_layout_widgets(screen);
 614         widgetset_post(screen->widgetset);
 615 }
 616
 617 static void config_screen_add_device(void *arg)
 618 {
 619         struct config_screen *screen = arg;
 620
 621         screen->show_subset = true;
 622         cui_show_subset(screen->cui, _("Select a boot device to add"),
 623                         screen->widgets.boot_order_f);
 624 }
 625
 626 static void config_screen_autoboot_none(void *arg)
 627 {
 628         struct config_screen *screen = arg;
 629         struct nc_widget_subset *subset = screen->widgets.boot_order_f;
 630
 631         widget_subset_clear_active(subset);
 632
 633         widgetset_unpost(screen->widgetset);
 634         config_screen_layout_widgets(screen);
 635         widgetset_post(screen->widgetset);
 636 }
 637
 638 static void config_screen_autoboot_any(void *arg)
 639 {
 640         struct config_screen *screen = arg;
 641         const struct system_info *sysinfo = screen->cui->sysinfo;
 642         struct nc_widget_subset *subset = screen->widgets.boot_order_f;
 643         int idx;
 644
 645         widget_subset_clear_active(subset);
 646
 647         idx = sysinfo->n_blockdevs + sysinfo->n_interfaces + DEVICE_TYPE_ANY;
 648
 649         widget_subset_make_active(screen->widgets.boot_order_f, idx);
 650
 651         screen->autoboot_enabled = true;
 652
 653         widgetset_unpost(screen->widgetset);
 654         config_screen_layout_widgets(screen);
 655         widgetset_post(screen->widgetset);
 656 }
 657
 658 static void config_screen_update_subset(void *arg,
 659                         struct nc_widget_subset *subset, int idx)
 660 {
 661         struct config_screen *screen = arg;
 662
 663         if (idx >= 0)
 664                 widget_subset_make_active(subset, idx);
 665         if (!screen->autoboot_enabled)
 666                 screen->autoboot_enabled = true;
 667         config_screen_layout_widgets(screen);
 668 }
 669
 670 static struct interface_config *first_active_interface(
 671                 const struct config *config)
 672 {
 673         unsigned int i;
 674
 675         for (i = 0; i < config->network.n_interfaces; i++) {
 676                 if (config->network.interfaces[i]->ignore)
 677                         continue;
 678                 return config->network.interfaces[i];
 679         }
 680         return NULL;
 681 }
 682
 683 static enum net_conf_type find_net_conf_type(const struct config *config)
 684 {
 685         struct interface_config *ifcfg;
 686
 687         ifcfg = first_active_interface(config);
 688
 689         if (!ifcfg)
 690                 return NET_CONF_TYPE_DHCP_ALL;
 691
 692         else if (ifcfg->method == CONFIG_METHOD_DHCP)
 693                 return NET_CONF_TYPE_DHCP_ONE;
 694
 695         else if (ifcfg->method == CONFIG_METHOD_STATIC)
 696                 return NET_CONF_TYPE_STATIC;
 697
 698         assert(0);
 699         return NET_CONF_TYPE_DHCP_ALL;
 700 }
 701
 702 static void config_screen_setup_empty(struct config_screen *screen)
 703 {
 704         widget_new_label(screen->widgetset, 2, screen->field_x,
 705                         _("Waiting for configuration data..."));
 706         screen->widgets.cancel_b = widget_new_button(screen->widgetset,
 707                         4, screen->field_x, 9, _("Cancel"),
 708                         cancel_click, screen);
 709 }
 710
 711 static int find_autoboot_idx(const struct system_info *sysinfo,
 712                 struct autoboot_option *opt)
 713 {
 714         unsigned int i;
 715
 716         if (opt->boot_type == BOOT_DEVICE_TYPE)
 717                 return sysinfo->n_blockdevs + sysinfo->n_interfaces + opt->type;
 718
 719         for (i = 0; i < sysinfo->n_blockdevs; i++) {
 720                 if (!strcmp(sysinfo->blockdevs[i]->uuid, opt->uuid))
 721                         return i;
 722         }
 723
 724         for (i = 0; i < sysinfo->n_interfaces; i++) {
 725                 struct interface_info *info = sysinfo->interfaces[i];
 726                 char mac[20];
 727
 728                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 729
 730                 if (!strcmp(mac, opt->uuid))
 731                         return sysinfo->n_blockdevs + i;
 732         }
 733
 734         return -1;
 735 }
 736
 737 static void config_screen_setup_widgets(struct config_screen *screen,
 738                 const struct config *config,
 739                 const struct system_info *sysinfo)
 740 {
 741         struct nc_widgetset *set = screen->widgetset;
 742         struct interface_config *ifcfg;
 743         char *str, *ip, *mask, *gw, *url;
 744         enum net_conf_type type;
 745         unsigned int i;
 746         int add_len, clear_len, any_len, min_len = 20;
 747
 748         build_assert(sizeof(screen->widgets) / sizeof(struct widget *)
 749                         == N_FIELDS);
 750
 751         type = screen->net_conf_type;
 752         ifcfg = first_active_interface(config);
 753
 754         screen->autoboot_enabled = config->autoboot_enabled;
 755
 756         screen->widgets.autoboot_l = widget_new_label(set, 0, 0,
 757                                         _("Autoboot:"));
 758         screen->widgets.autoboot_f = widget_new_select(set, 0, 0,
 759                                         COLS - screen->field_x - 1);
 760
 761         widget_select_add_option(screen->widgets.autoboot_f, 0, _("Disabled"),
 762                                  !screen->autoboot_enabled);
 763         widget_select_add_option(screen->widgets.autoboot_f, 1, _("Enabled"),
 764                                  screen->autoboot_enabled);
 765
 766         widget_select_on_change(screen->widgets.autoboot_f,
 767                         config_screen_autoboot_change, screen);
 768
 769         add_len = max(min_len, strncols(_("Add Device")));
 770         clear_len = max(min_len, strncols(_("Clear")));
 771         any_len = max(min_len, strncols(_("Clear & Boot Any")));
 772
 773         screen->widgets.boot_add_b = widget_new_button(set, 0, 0, add_len,
 774                                         _("Add Device"),
 775                                         config_screen_add_device, screen);
 776
 777         screen->widgets.boot_none_b = widget_new_button(set, 0, 0, clear_len,
 778                                         _("Clear"),
 779                                         config_screen_autoboot_none, screen);
 780
 781         screen->widgets.boot_any_b = widget_new_button(set, 0, 0, any_len,
 782                                         _("Clear & Boot Any"),
 783                                         config_screen_autoboot_any, screen);
 784
 785         screen->widgets.boot_order_l = widget_new_label(set, 0, 0,
 786                                         _("Boot Order:"));
 787         screen->widgets.boot_order_f = widget_new_subset(set, 0, 0,
 788                                         COLS - screen->field_x,
 789                                         config_screen_update_subset);
 790         screen->widgets.boot_empty_l = widget_new_label(set, 0, 0,
 791                                         _("(None)"));
 792
 793         widget_subset_on_change(screen->widgets.boot_order_f,
 794                         config_screen_boot_order_change, screen);
 795
 796         for (i = 0; i < sysinfo->n_blockdevs; i++) {
 797                 struct blockdev_info *bd = sysinfo->blockdevs[i];
 798                 char *label;
 799
 800                 label = talloc_asprintf(screen, _("disk: %s [uuid: %s]"),
 801                                 bd->name, bd->uuid);
 802
 803                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 804         }
 805
 806         for (i = 0; i < sysinfo->n_interfaces; i++) {
 807                 struct interface_info *info = sysinfo->interfaces[i];
 808                 char *label, mac[20];
 809
 810                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 811
 812                 label = talloc_asprintf(screen, _("net:  %s [mac: %s]"),
 813                                 info->name, mac);
 814
 815                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 816         }
 817
 818         for (i = DEVICE_TYPE_NETWORK; i < DEVICE_TYPE_UNKNOWN; i++) {
 819                 char *label;
 820
 821                 if (i == DEVICE_TYPE_ANY)
 822                         label = talloc_asprintf(screen, _("Any Device"));
 823                 else
 824                         label = talloc_asprintf(screen, _("Any %s device"),
 825                                                 device_type_display_name(i));
 826
 827                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 828         }
 829
 830         for (i = 0; i < config->n_autoboot_opts; i++) {
 831                 struct autoboot_option *opt = &config->autoboot_opts[i];
 832                 int idx;
 833
 834                 idx = find_autoboot_idx(sysinfo, opt);
 835
 836                 if (idx >= 0) {
 837                         widget_subset_make_active(screen->widgets.boot_order_f,
 838                                                   idx);
 839                 } else {
 840                         if (opt->boot_type == BOOT_DEVICE_TYPE)
 841                                 pb_log("%s: Unknown autoboot option: %d\n",
 842                                        __func__, opt->type);
 843                         else
 844                                 pb_log("%s: Unknown autoboot UUID: %s\n",
 845                                        __func__, opt->uuid);
 846                 }
 847         }
 848
 849
 850         str = talloc_asprintf(screen, "%d", config->autoboot_timeout_sec);
 851         screen->widgets.timeout_l = widget_new_label(set, 0, 0, _("Timeout:"));
 852         screen->widgets.timeout_f = widget_new_textbox(set, 0, 0, 5, str);
 853         screen->widgets.timeout_help_l = widget_new_label(set, 0, 0,
 854                                         _("seconds"));
 855
 856         widget_textbox_set_fixed_size(screen->widgets.timeout_f);
 857         widget_textbox_set_validator_integer(screen->widgets.timeout_f, 0, 999);
 858
 859         if (config->ipmi_bootdev) {
 860                 char *label = talloc_asprintf(screen,
 861                                 _("%s IPMI boot option: %s"),
 862                                 config->ipmi_bootdev_persistent ?
 863                                 "Persistent" : "Temporary",
 864                                 ipmi_bootdev_display_name(config->ipmi_bootdev));
 865                 screen->widgets.ipmi_type_l = widget_new_label(set, 0, 0,
 866                                                         label);
 867                 screen->widgets.ipmi_clear_l = widget_new_label(set, 0, 0,
 868                                                         _("Clear option:"));
 869                 screen->widgets.ipmi_clear_cb = widget_new_checkbox(set, 0, 0,
 870                                                         false);
 871                 screen->ipmi_override = true;
 872         }
 873
 874         screen->widgets.network_l = widget_new_label(set, 0, 0, _("Network:"));
 875         screen->widgets.network_f = widget_new_select(set, 0, 0,
 876                                                 COLS - screen->field_x - 1);
 877
 878         widget_select_add_option(screen->widgets.network_f,
 879                                         NET_CONF_TYPE_DHCP_ALL,
 880                                         _("DHCP on all active interfaces"),
 881                                         type == NET_CONF_TYPE_DHCP_ALL);
 882         widget_select_add_option(screen->widgets.network_f,
 883                                         NET_CONF_TYPE_DHCP_ONE,
 884                                         _("DHCP on a specific interface"),
 885                                         type == NET_CONF_TYPE_DHCP_ONE);
 886         widget_select_add_option(screen->widgets.network_f,
 887                                         NET_CONF_TYPE_STATIC,
 888                                         _("Static IP configuration"),
 889                                         type == NET_CONF_TYPE_STATIC);
 890
 891         widget_select_on_change(screen->widgets.network_f,
 892                         config_screen_network_change, screen);
 893
 894         screen->widgets.iface_l = widget_new_label(set, 0, 0, _("Device:"));
 895         screen->widgets.iface_f = widget_new_select(set, 0, 0, 50);
 896
 897         for (i = 0; i < sysinfo->n_interfaces; i++) {
 898                 struct interface_info *info = sysinfo->interfaces[i];
 899                 char str[50], mac[20];
 900                 bool is_default;
 901
 902                 is_default = ifcfg && !memcmp(ifcfg->hwaddr, info->hwaddr,
 903                                         sizeof(ifcfg->hwaddr));
 904
 905                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 906                 snprintf(str, sizeof(str), "%s [%s, %s]", info->name, mac,
 907                                 info->link ? _("link up") : _("link down"));
 908
 909                 widget_select_add_option(screen->widgets.iface_f,
 910                                                 i, str, is_default);
 911         }
 912
 913         url = gw = ip = mask = NULL;
 914         if (ifcfg && ifcfg->method == CONFIG_METHOD_STATIC) {
 915                 char *sep;
 916
 917                 str = talloc_strdup(screen, ifcfg->static_config.address);
 918                 sep = strchr(str, '/');
 919                 ip = str;
 920
 921                 if (sep) {
 922                         *sep = '\0';
 923                         mask = sep + 1;
 924                 }
 925                 gw = ifcfg->static_config.gateway;
 926                 url = ifcfg->static_config.url;
 927         }
 928
 929         screen->widgets.ip_addr_l = widget_new_label(set, 0, 0, _("IP/mask:"));
 930         screen->widgets.ip_addr_f = widget_new_textbox(set, 0, 0, 16, ip);
 931         screen->widgets.ip_mask_l = widget_new_label(set, 0, 0, "/");
 932         screen->widgets.ip_mask_f = widget_new_textbox(set, 0, 0, 3, mask);
 933         screen->widgets.ip_addr_mask_help_l =
 934                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.10 / 24)"));
 935
 936         widget_textbox_set_fixed_size(screen->widgets.ip_addr_f);
 937         widget_textbox_set_fixed_size(screen->widgets.ip_mask_f);
 938         widget_textbox_set_validator_ipv4(screen->widgets.ip_addr_f);
 939         widget_textbox_set_validator_integer(screen->widgets.ip_mask_f, 1, 31);
 940
 941         screen->widgets.gateway_l = widget_new_label(set, 0, 0, _("Gateway:"));
 942         screen->widgets.gateway_f = widget_new_textbox(set, 0, 0, 16, gw);
 943         screen->widgets.gateway_help_l =
 944                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.1)"));
 945
 946         widget_textbox_set_fixed_size(screen->widgets.gateway_f);
 947         widget_textbox_set_validator_ipv4(screen->widgets.gateway_f);
 948
 949         screen->widgets.url_l = widget_new_label(set, 0, 0, _("URL:"));
 950         screen->widgets.url_f = widget_new_textbox(set, 0, 0, 32, url);
 951         screen->widgets.url_help_l =
 952                 widget_new_label(set, 0, 0, _("(eg. tftp://)"));
 953
 954         str = talloc_strdup(screen, "");
 955         for (i = 0; i < config->network.n_dns_servers; i++) {
 956                 str = talloc_asprintf_append(str, "%s%s",
 957                                 (i == 0) ? "" : " ",
 958                                 config->network.dns_servers[i]);
 959         }
 960
 961         screen->widgets.dns_l = widget_new_label(set, 0, 0,
 962                                         _("DNS Server(s):"));
 963         screen->widgets.dns_f = widget_new_textbox(set, 0, 0, 32, str);
 964         screen->widgets.dns_help_l =
 965                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.2)"));
 966
 967         widget_textbox_set_validator_ipv4_multi(screen->widgets.dns_f);
 968
 969         screen->widgets.dns_dhcp_help_l = widget_new_label(set, 0, 0,
 970                         _("(if not provided by DHCP server)"));
 971
 972         if (config->safe_mode)
 973                 screen->widgets.safe_mode = widget_new_label(set, 0, 0,
 974                          _("Selecting 'OK' will exit safe mode"));
 975
 976         screen->widgets.allow_write_l = widget_new_label(set, 0, 0,
 977                         _("Disk R/W:"));
 978         screen->widgets.allow_write_f = widget_new_select(set, 0, 0,
 979                                                 COLS - screen->field_x - 1);
 980
 981         widget_select_add_option(screen->widgets.allow_write_f, 0,
 982                                 _("Prevent all writes to disk"),
 983                                 !config->allow_writes);
 984
 985         widget_select_add_option(screen->widgets.allow_write_f, 1,
 986                                 _("Allow bootloader scripts to modify disks"),
 987                                 config->allow_writes);
 988
 989         screen->widgets.ok_b = widget_new_button(set, 0, 0, 10, _("OK"),
 990                         ok_click, screen);
 991         screen->widgets.help_b = widget_new_button(set, 0, 0, 10, _("Help"),
 992                         help_click, screen);
 993         screen->widgets.cancel_b = widget_new_button(set, 0, 0, 10, _("Cancel"),
 994                         cancel_click, screen);
 995 }
 996
 997 static void config_screen_widget_focus(struct nc_widget *widget, void *arg)
 998 {
 999         struct config_screen *screen = arg;
1000         int w_y, w_height, w_focus, s_max, adjust;
1001
1002         w_height = widget_height(widget);
1003         w_focus = widget_focus_y(widget);
1004         w_y = widget_y(widget) + w_focus;
1005         s_max = getmaxy(screen->scr.sub_ncw) - 1;
1006
1007         if (w_y < screen->scroll_y)
1008                 screen->scroll_y = w_y;
1009
1010         else if (w_y + screen->scroll_y + 1 > s_max) {
1011                 /* Fit as much of the widget into the screen as possible */
1012                 adjust = min(s_max - 1, w_height - w_focus);
1013                 if (w_y + adjust >= screen->scroll_y + s_max)
1014                         screen->scroll_y = max(0, 1 + w_y + adjust - s_max);
1015         } else
1016                 return;
1017
1018         pad_refresh(screen);
1019 }
1020
1021 static void config_screen_draw(struct config_screen *screen,
1022                 const struct config *config,
1023                 const struct system_info *sysinfo)
1024 {
1025         bool repost = false;
1026         int height;
1027
1028         /* The size of the pad we'll need depends on the number of interfaces.
1029          *
1030          * We use N_FIELDS (which is quite conservative, as some fields share
1031          * a line) as a base, then:
1032          * - add 6 (as the network select & boot device select fields take 3
1033          *   lines each),
1034          * - add n_interfaces for every field in the network select field, and
1035          * - add (n_blockdevs + n_interfaces) for every field in the boot device
1036          *   select field
1037          */
1038         height = N_FIELDS + 6;
1039         if (sysinfo) {
1040                 height += sysinfo->n_interfaces;
1041                 height += (sysinfo->n_blockdevs + sysinfo->n_interfaces);
1042         }
1043         if (!screen->pad || getmaxy(screen->pad) < height) {
1044                 if (screen->pad)
1045                         delwin(screen->pad);
1046                 screen->pad = newpad(height, COLS + 10);
1047         }
1048
1049         if (screen->widgetset) {
1050                 widgetset_unpost(screen->widgetset);
1051                 talloc_free(screen->widgetset);
1052                 repost = true;
1053         }
1054
1055         screen->widgetset = widgetset_create(screen, screen->scr.main_ncw,
1056                         screen->pad);
1057         widgetset_set_widget_focus(screen->widgetset,
1058                         config_screen_widget_focus, screen);
1059
1060         if (!config || !sysinfo) {
1061                 config_screen_setup_empty(screen);
1062         } else {
1063                 screen->net_conf_type = find_net_conf_type(config);
1064                 config_screen_setup_widgets(screen, config, sysinfo);
1065                 config_screen_layout_widgets(screen);
1066         }
1067
1068         if (repost)
1069                 widgetset_post(screen->widgetset);
1070 }
1071
1072 void config_screen_update(struct config_screen *screen,
1073                 const struct config *config,
1074                 const struct system_info *sysinfo)
1075 {
1076         if (screen->cui->current != config_screen_scr(screen)) {
1077                 screen->need_update = true;
1078                 return;
1079         }
1080
1081         config_screen_draw(screen, config, sysinfo);
1082         pad_refresh(screen);
1083 }
1084
1085 static int config_screen_post(struct nc_scr *scr)
1086 {
1087         struct config_screen *screen = config_screen_from_scr(scr);
1088         screen->show_subset = false;
1089
1090         if (screen->need_update) {
1091                 config_screen_draw(screen, screen->cui->config,
1092                                    screen->cui->sysinfo);
1093                 screen->need_update = false;
1094         } else {
1095                 widgetset_post(screen->widgetset);
1096         }
1097
1098         nc_scr_frame_draw(scr);
1099         if (screen->need_redraw) {
1100                 redrawwin(scr->main_ncw);
1101                 screen->need_redraw = false;
1102         }
1103         wrefresh(screen->scr.main_ncw);
1104         pad_refresh(screen);
1105         return 0;
1106 }
1107
1108 static int config_screen_destroy(void *arg)
1109 {
1110         struct config_screen *screen = arg;
1111         if (screen->pad)
1112                 delwin(screen->pad);
1113         return 0;
1114 }
1115
1116 struct config_screen *config_screen_init(struct cui *cui,
1117                 const struct config *config,
1118                 const struct system_info *sysinfo,
1119                 void (*on_exit)(struct cui *))
1120 {
1121         struct config_screen *screen;
1122
1123         screen = talloc_zero(cui, struct config_screen);
1124         talloc_set_destructor(screen, config_screen_destroy);
1125         nc_scr_init(&screen->scr, pb_config_screen_sig, 0,
1126                         cui, config_screen_process_key,
1127                         config_screen_post, config_screen_unpost,
1128                         config_screen_resize);
1129
1130         screen->cui = cui;
1131         screen->on_exit = on_exit;
1132         screen->need_redraw = false;
1133         screen->need_update = false;
1134         screen->label_x = 2;
1135         screen->field_x = 17;
1136
1137         screen->ipmi_override = false;
1138         screen->show_subset = false;
1139
1140         screen->scr.frame.ltitle = talloc_strdup(screen,
1141                         _("Petitboot System Configuration"));
1142         screen->scr.frame.rtitle = NULL;
1143         screen->scr.frame.help = talloc_strdup(screen,
1144                         _("tab=next, shift+tab=previous, x=exit, h=help"));
1145         nc_scr_frame_draw(&screen->scr);
1146
1147         scrollok(screen->scr.sub_ncw, true);
1148
1149         config_screen_draw(screen, config, sysinfo);
1150
1151         return screen;
1152 }