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        37
  37
  38 extern struct help_text config_help_text;
  39
  40 enum net_conf_type {
  41         NET_CONF_TYPE_DHCP_ALL,
  42         NET_CONF_TYPE_DHCP_ONE,
  43         NET_CONF_TYPE_STATIC,
  44 };
  45
  46 struct config_screen {
  47         struct nc_scr           scr;
  48         struct cui              *cui;
  49         struct nc_widgetset     *widgetset;
  50         WINDOW                  *pad;
  51
  52         bool                    exit;
  53         bool                    show_help;
  54         bool                    show_subset;
  55         bool                    need_redraw;
  56         bool                    need_update;
  57
  58         void                    (*on_exit)(struct cui *);
  59
  60         int                     scroll_y;
  61
  62         int                     label_x;
  63         int                     field_x;
  64         int                     network_config_y;
  65
  66         enum net_conf_type      net_conf_type;
  67
  68         bool                    autoboot_enabled;
  69         bool                    ipmi_override;
  70
  71         struct {
  72                 struct nc_widget_label          *boot_order_l;
  73                 struct nc_widget_subset         *boot_order_f;
  74                 struct nc_widget_label          *boot_empty_l;
  75                 struct nc_widget_button         *boot_add_b;
  76                 struct nc_widget_button         *boot_none_b;
  77                 struct nc_widget_button         *boot_any_b;
  78                 struct nc_widget_textbox        *timeout_f;
  79                 struct nc_widget_label          *timeout_l;
  80                 struct nc_widget_label          *timeout_help_l;
  81
  82                 struct nc_widget_label          *ipmi_type_l;
  83                 struct nc_widget_label          *ipmi_clear_l;
  84                 struct nc_widget_checkbox       *ipmi_clear_cb;
  85
  86                 struct nc_widget_label          *network_l;
  87                 struct nc_widget_select         *network_f;
  88
  89                 struct nc_widget_label          *iface_l;
  90                 struct nc_widget_select         *iface_f;
  91                 struct nc_widget_label          *ip_addr_l;
  92                 struct nc_widget_textbox        *ip_addr_f;
  93                 struct nc_widget_label          *ip_mask_l;
  94                 struct nc_widget_textbox        *ip_mask_f;
  95                 struct nc_widget_label          *ip_addr_mask_help_l;
  96                 struct nc_widget_label          *gateway_l;
  97                 struct nc_widget_textbox        *gateway_f;
  98                 struct nc_widget_label          *gateway_help_l;
  99                 struct nc_widget_label          *url_l;
 100                 struct nc_widget_textbox        *url_f;
 101                 struct nc_widget_label          *url_help_l;
 102                 struct nc_widget_label          *dns_l;
 103                 struct nc_widget_textbox        *dns_f;
 104                 struct nc_widget_label          *dns_dhcp_help_l;
 105                 struct nc_widget_label          *dns_help_l;
 106
 107                 struct nc_widget_label          *allow_write_l;
 108                 struct nc_widget_select         *allow_write_f;
 109
 110                 struct nc_widget_label          *safe_mode;
 111                 struct nc_widget_button         *ok_b;
 112                 struct nc_widget_button         *help_b;
 113                 struct nc_widget_button         *cancel_b;
 114         } widgets;
 115 };
 116
 117 static struct config_screen *config_screen_from_scr(struct nc_scr *scr)
 118 {
 119         struct config_screen *config_screen;
 120
 121         assert(scr->sig == pb_config_screen_sig);
 122         config_screen = (struct config_screen *)
 123                 ((char *)scr - (size_t)&((struct config_screen *)0)->scr);
 124         assert(config_screen->scr.sig == pb_config_screen_sig);
 125         return config_screen;
 126 }
 127
 128 static void pad_refresh(struct config_screen *screen)
 129 {
 130         int y, x, rows, cols;
 131
 132         getmaxyx(screen->scr.sub_ncw, rows, cols);
 133         getbegyx(screen->scr.sub_ncw, y, x);
 134
 135         prefresh(screen->pad, screen->scroll_y, 0, y, x, rows, cols);
 136 }
 137
 138 static void config_screen_process_key(struct nc_scr *scr, int key)
 139 {
 140         struct config_screen *screen = config_screen_from_scr(scr);
 141         bool handled;
 142
 143         handled = widgetset_process_key(screen->widgetset, key);
 144
 145         if (!handled) {
 146                 switch (key) {
 147                 case 'x':
 148                 case 27: /* esc */
 149                         screen->exit = true;
 150                         break;
 151                 case 'h':
 152                         screen->show_help = true;
 153                         break;
 154                 }
 155         }
 156
 157         if (screen->exit) {
 158                 screen->on_exit(screen->cui);
 159
 160         } else if (screen->show_help) {
 161                 screen->show_help = false;
 162                 screen->need_redraw = true;
 163                 cui_show_help(screen->cui, _("System Configuration"),
 164                                 &config_help_text);
 165
 166         } else if (handled && !screen->show_subset) {
 167                 pad_refresh(screen);
 168         }
 169 }
 170
 171 static void config_screen_resize(struct nc_scr *scr)
 172 {
 173         struct config_screen *screen = config_screen_from_scr(scr);
 174         (void)screen;
 175 }
 176
 177 static int config_screen_unpost(struct nc_scr *scr)
 178 {
 179         struct config_screen *screen = config_screen_from_scr(scr);
 180         widgetset_unpost(screen->widgetset);
 181         return 0;
 182 }
 183
 184 struct nc_scr *config_screen_scr(struct config_screen *screen)
 185 {
 186         return &screen->scr;
 187 }
 188
 189 static int screen_process_form(struct config_screen *screen)
 190 {
 191         const struct system_info *sysinfo = screen->cui->sysinfo;
 192         enum net_conf_type net_conf_type;
 193         struct interface_config *iface;
 194         char *str, *end;
 195         struct config *config;
 196         int i, n_boot_opts, rc, idx;
 197         unsigned int *order;
 198         bool allow_write;
 199         char mac[20];
 200
 201         config = config_copy(screen, screen->cui->config);
 202
 203         talloc_free(config->autoboot_opts);
 204         config->n_autoboot_opts = 0;
 205
 206         n_boot_opts = widget_subset_get_order(config, &order,
 207                                               screen->widgets.boot_order_f);
 208
 209         config->autoboot_enabled = n_boot_opts > 0;
 210
 211         config->n_autoboot_opts = n_boot_opts;
 212         config->autoboot_opts = talloc_array(config, struct autoboot_option,
 213                                              n_boot_opts);
 214
 215         for (i = 0; i < n_boot_opts; i++) {
 216                 if (order[i] < sysinfo->n_blockdevs) {
 217                         /* disk uuid */
 218                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_UUID;
 219                         config->autoboot_opts[i].uuid = talloc_strdup(config,
 220                                                         sysinfo->blockdevs[order[i]]->uuid);
 221                 } else if(order[i] < (sysinfo->n_blockdevs + sysinfo->n_interfaces)) {
 222                         /* net uuid */
 223                         order[i] -= sysinfo->n_blockdevs;
 224                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_UUID;
 225                         mac_str(sysinfo->interfaces[order[i]]->hwaddr,
 226                                 sysinfo->interfaces[order[i]]->hwaddr_size,
 227                                 mac, sizeof(mac));
 228                         config->autoboot_opts[i].uuid = talloc_strdup(config, mac);
 229                 } else {
 230                         /* device type */
 231                         order[i] -= (sysinfo->n_blockdevs + sysinfo->n_interfaces);
 232                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_TYPE;
 233                         config->autoboot_opts[i].type = order[i];
 234                 }
 235         }
 236
 237         str = widget_textbox_get_value(screen->widgets.timeout_f);
 238         if (str) {
 239                 unsigned long x;
 240                 errno = 0;
 241                 x = strtoul(str, &end, 10);
 242                 if (!errno && end != str)
 243                         config->autoboot_timeout_sec = x;
 244         }
 245
 246         if (screen->ipmi_override)
 247                 if (widget_checkbox_get_value(screen->widgets.ipmi_clear_cb))
 248                         config->ipmi_bootdev = IPMI_BOOTDEV_INVALID;
 249
 250
 251         net_conf_type = widget_select_get_value(screen->widgets.network_f);
 252
 253         /* if we don't have any network interfaces, prevent per-interface
 254          * configuration */
 255         if (sysinfo->n_interfaces == 0)
 256                 net_conf_type = NET_CONF_TYPE_DHCP_ALL;
 257
 258         if (net_conf_type == NET_CONF_TYPE_DHCP_ALL) {
 259                 config->network.n_interfaces = 0;
 260
 261         } else {
 262                 iface = talloc_zero(config, struct interface_config);
 263                 config->network.n_interfaces = 1;
 264                 config->network.interfaces = talloc_array(config,
 265                                 struct interface_config *, 1);
 266                 config->network.interfaces[0] = iface;
 267
 268                 /* copy hwaddr (from the sysinfo interface data) to
 269                  * the configuration */
 270                 idx = widget_select_get_value(screen->widgets.iface_f);
 271                 memcpy(iface->hwaddr, sysinfo->interfaces[idx]->hwaddr,
 272                                 sizeof(iface->hwaddr));
 273         }
 274
 275         if (net_conf_type == NET_CONF_TYPE_DHCP_ONE) {
 276                 iface->method = CONFIG_METHOD_DHCP;
 277         }
 278
 279         if (net_conf_type == NET_CONF_TYPE_STATIC) {
 280                 char *ip, *mask, *gateway, *url;
 281
 282                 ip = widget_textbox_get_value(screen->widgets.ip_addr_f);
 283                 mask = widget_textbox_get_value(screen->widgets.ip_mask_f);
 284                 gateway = widget_textbox_get_value(screen->widgets.gateway_f);
 285                 url = widget_textbox_get_value(screen->widgets.url_f);
 286
 287                 if (!ip || !*ip || !mask || !*mask) {
 288                         screen->scr.frame.status =
 289                                 _("No IP / mask values are set");
 290                         nc_scr_frame_draw(&screen->scr);
 291                         talloc_free(config);
 292                         return -1;
 293                 }
 294
 295                 iface->method = CONFIG_METHOD_STATIC;
 296                 iface->static_config.address = talloc_asprintf(iface, "%s/%s",
 297                                 ip, mask);
 298                 iface->static_config.gateway = talloc_strdup(iface, gateway);
 299                 iface->static_config.url = talloc_strdup(iface, url);
 300         }
 301
 302         str = widget_textbox_get_value(screen->widgets.dns_f);
 303         talloc_free(config->network.dns_servers);
 304         config->network.dns_servers = NULL;
 305         config->network.n_dns_servers = 0;
 306
 307         if (str && strlen(str)) {
 308                 char *dns, *tmp;
 309                 int i;
 310
 311                 for (;;) {
 312                         dns = strtok_r(str, " \t", &tmp);
 313
 314                         if (!dns)
 315                                 break;
 316
 317                         i = config->network.n_dns_servers++;
 318                         config->network.dns_servers = talloc_realloc(config,
 319                                         config->network.dns_servers,
 320                                         const char *,
 321                                         config->network.n_dns_servers);
 322                         config->network.dns_servers[i] =
 323                                 talloc_strdup(config, dns);
 324
 325                         str = NULL;
 326                 }
 327         }
 328
 329         allow_write = widget_select_get_value(screen->widgets.allow_write_f);
 330         if (allow_write != config->allow_writes)
 331                 config->allow_writes = allow_write;
 332
 333         config->safe_mode = false;
 334         rc = cui_send_config(screen->cui, config);
 335         talloc_free(config);
 336
 337         if (rc)
 338                 pb_log("cui_send_config failed!\n");
 339         else
 340                 pb_debug("config sent!\n");
 341
 342         return 0;
 343 }
 344
 345 static void ok_click(void *arg)
 346 {
 347         struct config_screen *screen = arg;
 348         if (screen_process_form(screen))
 349                 /* errors are written to the status line, so we'll need
 350                  * to refresh */
 351                 wrefresh(screen->scr.main_ncw);
 352         else
 353                 screen->exit = true;
 354 }
 355
 356 static void help_click(void *arg)
 357 {
 358         struct config_screen *screen = arg;
 359         screen->show_help = true;
 360 }
 361
 362 static void cancel_click(void *arg)
 363 {
 364         struct config_screen *screen = arg;
 365         screen->exit = true;
 366 }
 367
 368 static int layout_pair(struct config_screen *screen, int y,
 369                 struct nc_widget_label *label,
 370                 struct nc_widget *field)
 371 {
 372         struct nc_widget *label_w = widget_label_base(label);
 373         widget_move(label_w, y, screen->label_x);
 374         widget_move(field, y, screen->field_x);
 375         return max(widget_height(label_w), widget_height(field));
 376 }
 377
 378 static void config_screen_layout_widgets(struct config_screen *screen)
 379 {
 380         struct nc_widget *wl, *wf, *wh;
 381         int y, x, help_x;
 382         bool show;
 383
 384         y = 1;
 385         /* currently, the longest label we have is the DNS-servers
 386          * widget, so layout our screen based on that */
 387         help_x = screen->field_x + 2 +
 388                 widget_width(widget_textbox_base(screen->widgets.dns_f));
 389
 390         wl = widget_label_base(screen->widgets.boot_order_l);
 391         widget_set_visible(wl, true);
 392         widget_move(wl, y, screen->label_x);
 393
 394         wf = widget_subset_base(screen->widgets.boot_order_f);
 395         widget_move(wf, y, screen->field_x);
 396         wl = widget_label_base(screen->widgets.boot_empty_l);
 397         widget_move(wl, y, screen->field_x);
 398
 399         if (widget_subset_height(screen->widgets.boot_order_f)) {
 400                 widget_set_visible(wf, true);
 401                 widget_set_visible(wl, false);
 402                 y += widget_height(wf);
 403         } else {
 404                 widget_set_visible(wl, true);
 405                 widget_set_visible(wf, false);
 406                 y += 1;
 407         }
 408
 409         y += 1;
 410
 411         widget_move(widget_button_base(screen->widgets.boot_add_b),
 412                         y++, screen->field_x);
 413         widget_move(widget_button_base(screen->widgets.boot_any_b),
 414                         y++, screen->field_x);
 415         widget_move(widget_button_base(screen->widgets.boot_none_b),
 416                         y, screen->field_x);
 417
 418         wf = widget_button_base(screen->widgets.boot_add_b);
 419         if (widget_subset_n_inactive(screen->widgets.boot_order_f))
 420                 widget_set_visible(wf, true);
 421         else
 422                 widget_set_visible(wf, false);
 423
 424         y += 2;
 425
 426         wf = widget_textbox_base(screen->widgets.timeout_f);
 427         wl = widget_label_base(screen->widgets.timeout_l);
 428         wh = widget_label_base(screen->widgets.timeout_help_l);
 429         widget_set_visible(wl, screen->autoboot_enabled);
 430         widget_set_visible(wf, screen->autoboot_enabled);
 431         widget_set_visible(wh, screen->autoboot_enabled);
 432         if (screen->autoboot_enabled) {
 433                 widget_set_visible(wh, screen->autoboot_enabled);
 434                 widget_move(wl, y, screen->label_x);
 435                 widget_move(wf, y, screen->field_x);
 436                 widget_move(wh, y, screen->field_x + widget_width(wf) + 1);
 437                 y += 2;
 438         }
 439
 440         if (screen->ipmi_override) {
 441                 wl = widget_label_base(screen->widgets.ipmi_type_l);
 442                 widget_set_visible(wl, true);
 443                 widget_move(wl, y, screen->label_x);
 444                 y += 1;
 445
 446                 wl = widget_label_base(screen->widgets.ipmi_clear_l);
 447                 wf = widget_checkbox_base(screen->widgets.ipmi_clear_cb);
 448                 widget_set_visible(wl, true);
 449                 widget_set_visible(wf, true);
 450                 widget_move(wl, y, screen->label_x);
 451                 widget_move(wf, y, screen->field_x);
 452                 y += 1;
 453         }
 454
 455         y += 1;
 456
 457         y += layout_pair(screen, y, screen->widgets.network_l,
 458                         widget_select_base(screen->widgets.network_f));
 459
 460         y += 1;
 461
 462         /* conditionally show iface select */
 463         wl = widget_label_base(screen->widgets.iface_l);
 464         wf = widget_select_base(screen->widgets.iface_f);
 465
 466         show = screen->net_conf_type == NET_CONF_TYPE_DHCP_ONE ||
 467                 screen->net_conf_type == NET_CONF_TYPE_STATIC;
 468
 469         widget_set_visible(wl, show);
 470         widget_set_visible(wf, show);
 471
 472         if (show)
 473                 y += layout_pair(screen, y, screen->widgets.iface_l, wf) + 1;
 474
 475         /* conditionally show static IP params */
 476         show = screen->net_conf_type == NET_CONF_TYPE_STATIC;
 477
 478         wl = widget_label_base(screen->widgets.ip_addr_l);
 479         wf = widget_textbox_base(screen->widgets.ip_addr_f);
 480         widget_set_visible(wl, show);
 481         widget_set_visible(wf, show);
 482         x = screen->field_x + widget_width(wf) + 1;
 483
 484         if (show)
 485                 layout_pair(screen, y, screen->widgets.ip_addr_l, wf);
 486
 487         wl = widget_label_base(screen->widgets.ip_mask_l);
 488         wf = widget_textbox_base(screen->widgets.ip_mask_f);
 489         widget_set_visible(wl, show);
 490         widget_set_visible(wf, show);
 491
 492         if (show) {
 493                 widget_move(wl, y, x);
 494                 widget_move(wf, y, x + 2);
 495         }
 496
 497         /* help for IP/mask */
 498         wh = widget_label_base(screen->widgets.ip_addr_mask_help_l);
 499         widget_set_visible(wh, show);
 500         if (show) {
 501                 widget_move(wh, y, help_x);
 502                 y++;
 503         }
 504
 505         wl = widget_label_base(screen->widgets.gateway_l);
 506         wf = widget_textbox_base(screen->widgets.gateway_f);
 507         wh = widget_label_base(screen->widgets.gateway_help_l);
 508         widget_set_visible(wl, show);
 509         widget_set_visible(wf, show);
 510         widget_set_visible(wh, show);
 511
 512         if (show) {
 513                 layout_pair(screen, y, screen->widgets.gateway_l, wf);
 514                 widget_move(wh, y, help_x);
 515                 y++;
 516         }
 517
 518         wl = widget_label_base(screen->widgets.url_l);
 519         wf = widget_textbox_base(screen->widgets.url_f);
 520         wh = widget_label_base(screen->widgets.url_help_l);
 521         widget_set_visible(wl, show);
 522         widget_set_visible(wf, show);
 523         widget_set_visible(wh, show);
 524
 525         if (show) {
 526                 layout_pair(screen, y, screen->widgets.url_l, wf);
 527                 widget_move(wh, y, help_x);
 528                 y++;
 529         }
 530
 531         wh = widget_label_base(screen->widgets.dns_help_l);
 532         layout_pair(screen, y, screen->widgets.dns_l,
 533                         widget_textbox_base(screen->widgets.dns_f));
 534         widget_move(wh, y, help_x);
 535         y++;
 536
 537         /* we show the DNS/DHCP help if we're configuring DHCP */
 538         show = screen->net_conf_type != NET_CONF_TYPE_STATIC;
 539         wl = widget_label_base(screen->widgets.dns_dhcp_help_l);
 540         widget_set_visible(wl, show);
 541         if (show) {
 542                 widget_move(wl, y, screen->field_x);
 543                 y += 1;
 544         }
 545
 546         y += 1;
 547
 548         show = screen->cui->config->safe_mode;
 549         if (show) {
 550                 widget_move(widget_label_base(screen->widgets.safe_mode),
 551                         y, screen->field_x);
 552                 y += 1;
 553         }
 554
 555         layout_pair(screen, y, screen->widgets.allow_write_l,
 556                     widget_select_base(screen->widgets.allow_write_f));
 557         y += widget_height(widget_select_base(screen->widgets.allow_write_f));
 558
 559         y += 1;
 560
 561         widget_move(widget_button_base(screen->widgets.ok_b),
 562                         y, screen->field_x);
 563         widget_move(widget_button_base(screen->widgets.help_b),
 564                         y, screen->field_x + 14);
 565         widget_move(widget_button_base(screen->widgets.cancel_b),
 566                         y, screen->field_x + 28);
 567 }
 568
 569 static void config_screen_network_change(void *arg, int value)
 570 {
 571         struct config_screen *screen = arg;
 572         screen->net_conf_type = value;
 573         widgetset_unpost(screen->widgetset);
 574         config_screen_layout_widgets(screen);
 575         widgetset_post(screen->widgetset);
 576 }
 577
 578 static void config_screen_boot_order_change(void *arg, int value)
 579 {
 580         (void)value;
 581         struct config_screen *screen = arg;
 582         widgetset_unpost(screen->widgetset);
 583         config_screen_layout_widgets(screen);
 584         widgetset_post(screen->widgetset);
 585 }
 586
 587 static void config_screen_add_device(void *arg)
 588 {
 589         struct config_screen *screen = arg;
 590
 591         screen->show_subset = true;
 592         cui_show_subset(screen->cui, _("Select a boot device to add"),
 593                         screen->widgets.boot_order_f);
 594 }
 595
 596 static void config_screen_autoboot_none(void *arg)
 597 {
 598         struct config_screen *screen = arg;
 599         struct nc_widget_subset *subset = screen->widgets.boot_order_f;
 600
 601         widget_subset_clear_active(subset);
 602         screen->autoboot_enabled = false;
 603
 604         widgetset_unpost(screen->widgetset);
 605         config_screen_layout_widgets(screen);
 606         widgetset_post(screen->widgetset);
 607 }
 608
 609 static void config_screen_autoboot_any(void *arg)
 610 {
 611         struct config_screen *screen = arg;
 612         const struct system_info *sysinfo = screen->cui->sysinfo;
 613         struct nc_widget_subset *subset = screen->widgets.boot_order_f;
 614         int idx;
 615
 616         widget_subset_clear_active(subset);
 617
 618         idx = sysinfo->n_blockdevs + sysinfo->n_interfaces + DEVICE_TYPE_ANY;
 619
 620         widget_subset_make_active(screen->widgets.boot_order_f, idx);
 621
 622         screen->autoboot_enabled = true;
 623
 624         widgetset_unpost(screen->widgetset);
 625         config_screen_layout_widgets(screen);
 626         widgetset_post(screen->widgetset);
 627 }
 628
 629 static void config_screen_update_subset(void *arg,
 630                         struct nc_widget_subset *subset, int idx)
 631 {
 632         struct config_screen *screen = arg;
 633
 634         if (idx >= 0)
 635                 widget_subset_make_active(subset, idx);
 636         if (!screen->autoboot_enabled)
 637                 screen->autoboot_enabled = true;
 638         config_screen_layout_widgets(screen);
 639 }
 640
 641 static struct interface_config *first_active_interface(
 642                 const struct config *config)
 643 {
 644         unsigned int i;
 645
 646         for (i = 0; i < config->network.n_interfaces; i++) {
 647                 if (config->network.interfaces[i]->ignore)
 648                         continue;
 649                 return config->network.interfaces[i];
 650         }
 651         return NULL;
 652 }
 653
 654 static enum net_conf_type find_net_conf_type(const struct config *config)
 655 {
 656         struct interface_config *ifcfg;
 657
 658         ifcfg = first_active_interface(config);
 659
 660         if (!ifcfg)
 661                 return NET_CONF_TYPE_DHCP_ALL;
 662
 663         else if (ifcfg->method == CONFIG_METHOD_DHCP)
 664                 return NET_CONF_TYPE_DHCP_ONE;
 665
 666         else if (ifcfg->method == CONFIG_METHOD_STATIC)
 667                 return NET_CONF_TYPE_STATIC;
 668
 669         assert(0);
 670         return NET_CONF_TYPE_DHCP_ALL;
 671 }
 672
 673 static void config_screen_setup_empty(struct config_screen *screen)
 674 {
 675         widget_new_label(screen->widgetset, 2, screen->field_x,
 676                         _("Waiting for configuration data..."));
 677         screen->widgets.cancel_b = widget_new_button(screen->widgetset,
 678                         4, screen->field_x, 9, _("Cancel"),
 679                         cancel_click, screen);
 680 }
 681
 682 static int find_autoboot_idx(const struct system_info *sysinfo,
 683                 struct autoboot_option *opt)
 684 {
 685         unsigned int i;
 686
 687         if (opt->boot_type == BOOT_DEVICE_TYPE)
 688                 return sysinfo->n_blockdevs + sysinfo->n_interfaces + opt->type;
 689
 690         for (i = 0; i < sysinfo->n_blockdevs; i++) {
 691                 if (!strcmp(sysinfo->blockdevs[i]->uuid, opt->uuid))
 692                         return i;
 693         }
 694
 695         for (i = 0; i < sysinfo->n_interfaces; i++) {
 696                 struct interface_info *info = sysinfo->interfaces[i];
 697                 char mac[20];
 698
 699                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 700
 701                 if (!strcmp(mac, opt->uuid))
 702                         return sysinfo->n_blockdevs + i;
 703         }
 704
 705         return -1;
 706 }
 707
 708 static void config_screen_setup_widgets(struct config_screen *screen,
 709                 const struct config *config,
 710                 const struct system_info *sysinfo)
 711 {
 712         struct nc_widgetset *set = screen->widgetset;
 713         struct interface_config *ifcfg;
 714         char *str, *ip, *mask, *gw, *url;
 715         enum net_conf_type type;
 716         unsigned int i;
 717         int add_len, clear_len, any_len, min_len = 20;
 718
 719         build_assert(sizeof(screen->widgets) / sizeof(struct widget *)
 720                         == N_FIELDS);
 721
 722         type = screen->net_conf_type;
 723         ifcfg = first_active_interface(config);
 724
 725         add_len = max(min_len, strncols(_("Add Device")));
 726         clear_len = max(min_len, strncols(_("Clear")));
 727         any_len = max(min_len, strncols(_("Clear & Boot Any")));
 728
 729         screen->widgets.boot_add_b = widget_new_button(set, 0, 0, add_len,
 730                                         _("Add Device"),
 731                                         config_screen_add_device, screen);
 732
 733         screen->widgets.boot_none_b = widget_new_button(set, 0, 0, clear_len,
 734                                         _("Clear"),
 735                                         config_screen_autoboot_none, screen);
 736
 737         screen->widgets.boot_any_b = widget_new_button(set, 0, 0, any_len,
 738                                         _("Clear & Boot Any"),
 739                                         config_screen_autoboot_any, screen);
 740
 741         screen->widgets.boot_order_l = widget_new_label(set, 0, 0,
 742                                         _("Boot Order:"));
 743         screen->widgets.boot_order_f = widget_new_subset(set, 0, 0,
 744                                         COLS - screen->field_x,
 745                                         config_screen_update_subset);
 746         screen->widgets.boot_empty_l = widget_new_label(set, 0, 0,
 747                                         _("(None)"));
 748
 749         widget_subset_on_change(screen->widgets.boot_order_f,
 750                         config_screen_boot_order_change, screen);
 751
 752         for (i = 0; i < sysinfo->n_blockdevs; i++) {
 753                 struct blockdev_info *bd = sysinfo->blockdevs[i];
 754                 char *label;
 755
 756                 label = talloc_asprintf(screen, _("disk: %s [uuid: %s]"),
 757                                 bd->name, bd->uuid);
 758
 759                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 760         }
 761
 762         for (i = 0; i < sysinfo->n_interfaces; i++) {
 763                 struct interface_info *info = sysinfo->interfaces[i];
 764                 char *label, mac[20];
 765
 766                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 767
 768                 label = talloc_asprintf(screen, _("net:  %s [mac: %s]"),
 769                                 info->name, mac);
 770
 771                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 772         }
 773
 774         for (i = DEVICE_TYPE_NETWORK; i < DEVICE_TYPE_UNKNOWN; i++) {
 775                 char *label;
 776
 777                 if (i == DEVICE_TYPE_ANY)
 778                         label = talloc_asprintf(screen, _("Any Device"));
 779                 else
 780                         label = talloc_asprintf(screen, _("Any %s device"),
 781                                                 device_type_display_name(i));
 782
 783                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 784         }
 785
 786         screen->autoboot_enabled = config->n_autoboot_opts;
 787         for (i = 0; i < config->n_autoboot_opts; i++) {
 788                 struct autoboot_option *opt = &config->autoboot_opts[i];
 789                 int idx;
 790
 791                 idx = find_autoboot_idx(sysinfo, opt);
 792
 793                 if (idx >= 0) {
 794                         widget_subset_make_active(screen->widgets.boot_order_f,
 795                                                   idx);
 796                 } else {
 797                         if (opt->boot_type == BOOT_DEVICE_TYPE)
 798                                 pb_log("%s: Unknown autoboot option: %d\n",
 799                                        __func__, opt->type);
 800                         else
 801                                 pb_log("%s: Unknown autoboot UUID: %s\n",
 802                                        __func__, opt->uuid);
 803                 }
 804         }
 805
 806
 807         str = talloc_asprintf(screen, "%d", config->autoboot_timeout_sec);
 808         screen->widgets.timeout_l = widget_new_label(set, 0, 0, _("Timeout:"));
 809         screen->widgets.timeout_f = widget_new_textbox(set, 0, 0, 5, str);
 810         screen->widgets.timeout_help_l = widget_new_label(set, 0, 0,
 811                                         _("seconds"));
 812
 813         widget_textbox_set_fixed_size(screen->widgets.timeout_f);
 814         widget_textbox_set_validator_integer(screen->widgets.timeout_f, 0, 999);
 815
 816         if (config->ipmi_bootdev) {
 817                 char *label = talloc_asprintf(screen,
 818                                 _("%s IPMI boot option: %s"),
 819                                 config->ipmi_bootdev_persistent ?
 820                                 "Persistent" : "Temporary",
 821                                 ipmi_bootdev_display_name(config->ipmi_bootdev));
 822                 screen->widgets.ipmi_type_l = widget_new_label(set, 0, 0,
 823                                                         label);
 824                 screen->widgets.ipmi_clear_l = widget_new_label(set, 0, 0,
 825                                                         _("Clear option:"));
 826                 screen->widgets.ipmi_clear_cb = widget_new_checkbox(set, 0, 0,
 827                                                         false);
 828                 screen->ipmi_override = true;
 829         }
 830
 831         screen->widgets.network_l = widget_new_label(set, 0, 0, _("Network:"));
 832         screen->widgets.network_f = widget_new_select(set, 0, 0,
 833                                                 COLS - screen->field_x - 1);
 834
 835         widget_select_add_option(screen->widgets.network_f,
 836                                         NET_CONF_TYPE_DHCP_ALL,
 837                                         _("DHCP on all active interfaces"),
 838                                         type == NET_CONF_TYPE_DHCP_ALL);
 839         widget_select_add_option(screen->widgets.network_f,
 840                                         NET_CONF_TYPE_DHCP_ONE,
 841                                         _("DHCP on a specific interface"),
 842                                         type == NET_CONF_TYPE_DHCP_ONE);
 843         widget_select_add_option(screen->widgets.network_f,
 844                                         NET_CONF_TYPE_STATIC,
 845                                         _("Static IP configuration"),
 846                                         type == NET_CONF_TYPE_STATIC);
 847
 848         widget_select_on_change(screen->widgets.network_f,
 849                         config_screen_network_change, screen);
 850
 851         screen->widgets.iface_l = widget_new_label(set, 0, 0, _("Device:"));
 852         screen->widgets.iface_f = widget_new_select(set, 0, 0, 50);
 853
 854         for (i = 0; i < sysinfo->n_interfaces; i++) {
 855                 struct interface_info *info = sysinfo->interfaces[i];
 856                 char str[50], mac[20];
 857                 bool is_default;
 858
 859                 is_default = ifcfg && !memcmp(ifcfg->hwaddr, info->hwaddr,
 860                                         sizeof(ifcfg->hwaddr));
 861
 862                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 863                 snprintf(str, sizeof(str), "%s [%s, %s]", info->name, mac,
 864                                 info->link ? _("link up") : _("link down"));
 865
 866                 widget_select_add_option(screen->widgets.iface_f,
 867                                                 i, str, is_default);
 868         }
 869
 870         url = gw = ip = mask = NULL;
 871         if (ifcfg && ifcfg->method == CONFIG_METHOD_STATIC) {
 872                 char *sep;
 873
 874                 str = talloc_strdup(screen, ifcfg->static_config.address);
 875                 sep = strchr(str, '/');
 876                 ip = str;
 877
 878                 if (sep) {
 879                         *sep = '\0';
 880                         mask = sep + 1;
 881                 }
 882                 gw = ifcfg->static_config.gateway;
 883                 url = ifcfg->static_config.url;
 884         }
 885
 886         screen->widgets.ip_addr_l = widget_new_label(set, 0, 0, _("IP/mask:"));
 887         screen->widgets.ip_addr_f = widget_new_textbox(set, 0, 0, 16, ip);
 888         screen->widgets.ip_mask_l = widget_new_label(set, 0, 0, "/");
 889         screen->widgets.ip_mask_f = widget_new_textbox(set, 0, 0, 3, mask);
 890         screen->widgets.ip_addr_mask_help_l =
 891                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.10 / 24)"));
 892
 893         widget_textbox_set_fixed_size(screen->widgets.ip_addr_f);
 894         widget_textbox_set_fixed_size(screen->widgets.ip_mask_f);
 895         widget_textbox_set_validator_ipv4(screen->widgets.ip_addr_f);
 896         widget_textbox_set_validator_integer(screen->widgets.ip_mask_f, 1, 31);
 897
 898         screen->widgets.gateway_l = widget_new_label(set, 0, 0, _("Gateway:"));
 899         screen->widgets.gateway_f = widget_new_textbox(set, 0, 0, 16, gw);
 900         screen->widgets.gateway_help_l =
 901                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.1)"));
 902
 903         widget_textbox_set_fixed_size(screen->widgets.gateway_f);
 904         widget_textbox_set_validator_ipv4(screen->widgets.gateway_f);
 905
 906         screen->widgets.url_l = widget_new_label(set, 0, 0, _("URL:"));
 907         screen->widgets.url_f = widget_new_textbox(set, 0, 0, 32, url);
 908         screen->widgets.url_help_l =
 909                 widget_new_label(set, 0, 0, _("(eg. tftp://)"));
 910
 911         str = talloc_strdup(screen, "");
 912         for (i = 0; i < config->network.n_dns_servers; i++) {
 913                 str = talloc_asprintf_append(str, "%s%s",
 914                                 (i == 0) ? "" : " ",
 915                                 config->network.dns_servers[i]);
 916         }
 917
 918         screen->widgets.dns_l = widget_new_label(set, 0, 0,
 919                                         _("DNS Server(s):"));
 920         screen->widgets.dns_f = widget_new_textbox(set, 0, 0, 32, str);
 921         screen->widgets.dns_help_l =
 922                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.2)"));
 923
 924         widget_textbox_set_validator_ipv4_multi(screen->widgets.dns_f);
 925
 926         screen->widgets.dns_dhcp_help_l = widget_new_label(set, 0, 0,
 927                         _("(if not provided by DHCP server)"));
 928
 929         if (config->safe_mode)
 930                 screen->widgets.safe_mode = widget_new_label(set, 0, 0,
 931                          _("Selecting 'OK' will exit safe mode"));
 932
 933         screen->widgets.allow_write_l = widget_new_label(set, 0, 0,
 934                         _("Disk R/W:"));
 935         screen->widgets.allow_write_f = widget_new_select(set, 0, 0,
 936                                                 COLS - screen->field_x - 1);
 937
 938         widget_select_add_option(screen->widgets.allow_write_f, 0,
 939                                 _("Prevent all writes to disk"),
 940                                 !config->allow_writes);
 941
 942         widget_select_add_option(screen->widgets.allow_write_f, 1,
 943                                 _("Allow bootloader scripts to modify disks"),
 944                                 config->allow_writes);
 945
 946         screen->widgets.ok_b = widget_new_button(set, 0, 0, 10, _("OK"),
 947                         ok_click, screen);
 948         screen->widgets.help_b = widget_new_button(set, 0, 0, 10, _("Help"),
 949                         help_click, screen);
 950         screen->widgets.cancel_b = widget_new_button(set, 0, 0, 10, _("Cancel"),
 951                         cancel_click, screen);
 952 }
 953
 954 static void config_screen_widget_focus(struct nc_widget *widget, void *arg)
 955 {
 956         struct config_screen *screen = arg;
 957         int w_y, w_height, w_focus, s_max, adjust;
 958
 959         w_height = widget_height(widget);
 960         w_focus = widget_focus_y(widget);
 961         w_y = widget_y(widget) + w_focus;
 962         s_max = getmaxy(screen->scr.sub_ncw) - 1;
 963
 964         if (w_y < screen->scroll_y)
 965                 screen->scroll_y = w_y;
 966
 967         else if (w_y + screen->scroll_y + 1 > s_max) {
 968                 /* Fit as much of the widget into the screen as possible */
 969                 adjust = min(s_max - 1, w_height - w_focus);
 970                 if (w_y + adjust >= screen->scroll_y + s_max)
 971                         screen->scroll_y = max(0, 1 + w_y + adjust - s_max);
 972         } else
 973                 return;
 974
 975         pad_refresh(screen);
 976 }
 977
 978 static void config_screen_draw(struct config_screen *screen,
 979                 const struct config *config,
 980                 const struct system_info *sysinfo)
 981 {
 982         bool repost = false;
 983         int height;
 984
 985         /* The size of the pad we'll need depends on the number of interfaces.
 986          *
 987          * We use N_FIELDS (which is quite conservative, as some fields share
 988          * a line) as a base, then:
 989          * - add 6 (as the network select & boot device select fields take 3
 990          *   lines each),
 991          * - add n_interfaces for every field in the network select field, and
 992          * - add (n_blockdevs + n_interfaces) for every field in the boot device
 993          *   select field
 994          */
 995         height = N_FIELDS + 6;
 996         if (sysinfo) {
 997                 height += sysinfo->n_interfaces;
 998                 height += (sysinfo->n_blockdevs + sysinfo->n_interfaces);
 999         }
1000         if (!screen->pad || getmaxy(screen->pad) < height) {
1001                 if (screen->pad)
1002                         delwin(screen->pad);
1003                 screen->pad = newpad(height, COLS + 10);
1004         }
1005
1006         if (screen->widgetset) {
1007                 widgetset_unpost(screen->widgetset);
1008                 talloc_free(screen->widgetset);
1009                 repost = true;
1010         }
1011
1012         screen->widgetset = widgetset_create(screen, screen->scr.main_ncw,
1013                         screen->pad);
1014         widgetset_set_widget_focus(screen->widgetset,
1015                         config_screen_widget_focus, screen);
1016
1017         if (!config || !sysinfo) {
1018                 config_screen_setup_empty(screen);
1019         } else {
1020                 screen->net_conf_type = find_net_conf_type(config);
1021                 config_screen_setup_widgets(screen, config, sysinfo);
1022                 config_screen_layout_widgets(screen);
1023         }
1024
1025         if (repost)
1026                 widgetset_post(screen->widgetset);
1027 }
1028
1029 void config_screen_update(struct config_screen *screen,
1030                 const struct config *config,
1031                 const struct system_info *sysinfo)
1032 {
1033         if (screen->cui->current != config_screen_scr(screen)) {
1034                 screen->need_update = true;
1035                 return;
1036         }
1037
1038         config_screen_draw(screen, config, sysinfo);
1039         pad_refresh(screen);
1040 }
1041
1042 static int config_screen_post(struct nc_scr *scr)
1043 {
1044         struct config_screen *screen = config_screen_from_scr(scr);
1045         screen->show_subset = false;
1046
1047         if (screen->need_update) {
1048                 config_screen_draw(screen, screen->cui->config,
1049                                    screen->cui->sysinfo);
1050                 screen->need_update = false;
1051         } else {
1052                 widgetset_post(screen->widgetset);
1053         }
1054
1055         nc_scr_frame_draw(scr);
1056         if (screen->need_redraw) {
1057                 redrawwin(scr->main_ncw);
1058                 screen->need_redraw = false;
1059         }
1060         wrefresh(screen->scr.main_ncw);
1061         pad_refresh(screen);
1062         return 0;
1063 }
1064
1065 static int config_screen_destroy(void *arg)
1066 {
1067         struct config_screen *screen = arg;
1068         if (screen->pad)
1069                 delwin(screen->pad);
1070         return 0;
1071 }
1072
1073 struct config_screen *config_screen_init(struct cui *cui,
1074                 const struct config *config,
1075                 const struct system_info *sysinfo,
1076                 void (*on_exit)(struct cui *))
1077 {
1078         struct config_screen *screen;
1079
1080         screen = talloc_zero(cui, struct config_screen);
1081         talloc_set_destructor(screen, config_screen_destroy);
1082         nc_scr_init(&screen->scr, pb_config_screen_sig, 0,
1083                         cui, config_screen_process_key,
1084                         config_screen_post, config_screen_unpost,
1085                         config_screen_resize);
1086
1087         screen->cui = cui;
1088         screen->on_exit = on_exit;
1089         screen->need_redraw = false;
1090         screen->need_update = false;
1091         screen->label_x = 2;
1092         screen->field_x = 17;
1093
1094         screen->ipmi_override = false;
1095         screen->show_subset = false;
1096
1097         screen->scr.frame.ltitle = talloc_strdup(screen,
1098                         _("Petitboot System Configuration"));
1099         screen->scr.frame.rtitle = NULL;
1100         screen->scr.frame.help = talloc_strdup(screen,
1101                         _("tab=next, shift+tab=previous, x=exit, h=help"));
1102         nc_scr_frame_draw(&screen->scr);
1103
1104         scrollok(screen->scr.sub_ncw, true);
1105
1106         config_screen_draw(screen, config, sysinfo);
1107
1108         return screen;
1109 }