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        44
  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         bool                    net_override;
  71
  72         struct {
  73                 struct nc_widget_label          *autoboot_l;
  74                 struct nc_widget_select         *autoboot_f;
  75                 struct nc_widget_label          *boot_order_l;
  76                 struct nc_widget_subset         *boot_order_f;
  77                 struct nc_widget_label          *boot_empty_l;
  78                 struct nc_widget_button         *boot_add_b;
  79                 struct nc_widget_button         *boot_none_b;
  80                 struct nc_widget_button         *boot_any_b;
  81                 struct nc_widget_textbox        *timeout_f;
  82                 struct nc_widget_label          *timeout_l;
  83                 struct nc_widget_label          *timeout_help_l;
  84
  85                 struct nc_widget_label          *ipmi_type_l;
  86                 struct nc_widget_label          *ipmi_clear_l;
  87                 struct nc_widget_checkbox       *ipmi_clear_cb;
  88
  89                 struct nc_widget_label          *network_l;
  90                 struct nc_widget_select         *network_f;
  91
  92                 struct nc_widget_label          *iface_l;
  93                 struct nc_widget_select         *iface_f;
  94                 struct nc_widget_label          *ip_addr_l;
  95                 struct nc_widget_textbox        *ip_addr_f;
  96                 struct nc_widget_label          *ip_mask_l;
  97                 struct nc_widget_textbox        *ip_mask_f;
  98                 struct nc_widget_label          *ip_addr_mask_help_l;
  99                 struct nc_widget_label          *gateway_l;
 100                 struct nc_widget_textbox        *gateway_f;
 101                 struct nc_widget_label          *gateway_help_l;
 102                 struct nc_widget_label          *url_l;
 103                 struct nc_widget_textbox        *url_f;
 104                 struct nc_widget_label          *url_help_l;
 105                 struct nc_widget_label          *dns_l;
 106                 struct nc_widget_textbox        *dns_f;
 107                 struct nc_widget_label          *dns_dhcp_help_l;
 108                 struct nc_widget_label          *dns_help_l;
 109
 110                 struct nc_widget_label          *allow_write_l;
 111                 struct nc_widget_select         *allow_write_f;
 112                 struct nc_widget_label          *boot_console_l;
 113                 struct nc_widget_select         *boot_console_f;
 114                 struct nc_widget_label          *current_console_l;
 115
 116                 struct nc_widget_label          *net_override_l;
 117                 struct nc_widget_label          *safe_mode;
 118                 struct nc_widget_button         *ok_b;
 119                 struct nc_widget_button         *help_b;
 120                 struct nc_widget_button         *cancel_b;
 121         } widgets;
 122 };
 123
 124 static struct config_screen *config_screen_from_scr(struct nc_scr *scr)
 125 {
 126         struct config_screen *config_screen;
 127
 128         assert(scr->sig == pb_config_screen_sig);
 129         config_screen = (struct config_screen *)
 130                 ((char *)scr - (size_t)&((struct config_screen *)0)->scr);
 131         assert(config_screen->scr.sig == pb_config_screen_sig);
 132         return config_screen;
 133 }
 134
 135 static void pad_refresh(struct config_screen *screen)
 136 {
 137         int y, x, rows, cols;
 138
 139         getmaxyx(screen->scr.sub_ncw, rows, cols);
 140         getbegyx(screen->scr.sub_ncw, y, x);
 141
 142         prefresh(screen->pad, screen->scroll_y, 0, y, x, rows, cols);
 143 }
 144
 145 static void config_screen_process_key(struct nc_scr *scr, int key)
 146 {
 147         struct config_screen *screen = config_screen_from_scr(scr);
 148         bool handled;
 149
 150         handled = widgetset_process_key(screen->widgetset, key);
 151
 152         if (!handled) {
 153                 switch (key) {
 154                 case 'x':
 155                 case 27: /* esc */
 156                         screen->exit = true;
 157                         break;
 158                 case 'h':
 159                         screen->show_help = true;
 160                         break;
 161                 }
 162         }
 163
 164         if (screen->exit) {
 165                 screen->on_exit(screen->cui);
 166
 167         } else if (screen->show_help) {
 168                 screen->show_help = false;
 169                 screen->need_redraw = true;
 170                 cui_show_help(screen->cui, _("System Configuration"),
 171                                 &config_help_text);
 172
 173         } else if (handled && !screen->show_subset) {
 174                 pad_refresh(screen);
 175         }
 176 }
 177
 178 static void config_screen_resize(struct nc_scr *scr)
 179 {
 180         struct config_screen *screen = config_screen_from_scr(scr);
 181         (void)screen;
 182 }
 183
 184 static int config_screen_unpost(struct nc_scr *scr)
 185 {
 186         struct config_screen *screen = config_screen_from_scr(scr);
 187         widgetset_unpost(screen->widgetset);
 188         return 0;
 189 }
 190
 191 struct nc_scr *config_screen_scr(struct config_screen *screen)
 192 {
 193         return &screen->scr;
 194 }
 195
 196 static int screen_process_form(struct config_screen *screen)
 197 {
 198         const struct system_info *sysinfo = screen->cui->sysinfo;
 199         enum net_conf_type net_conf_type;
 200         struct interface_config *iface;
 201         bool allow_write, autoboot;
 202         char *str, *end;
 203         struct config *config;
 204         int i, n_boot_opts, rc;
 205         unsigned int *order, idx;
 206         char mac[20];
 207
 208         config = config_copy(screen, screen->cui->config);
 209
 210         talloc_free(config->autoboot_opts);
 211         config->n_autoboot_opts = 0;
 212
 213         n_boot_opts = widget_subset_get_order(config, &order,
 214                                               screen->widgets.boot_order_f);
 215
 216         autoboot = widget_select_get_value(screen->widgets.autoboot_f);
 217         config->autoboot_enabled = autoboot && n_boot_opts;
 218
 219         config->n_autoboot_opts = n_boot_opts;
 220         config->autoboot_opts = talloc_array(config, struct autoboot_option,
 221                                              n_boot_opts);
 222
 223         for (i = 0; i < n_boot_opts; i++) {
 224                 if (order[i] < sysinfo->n_blockdevs) {
 225                         /* disk uuid */
 226                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_UUID;
 227                         config->autoboot_opts[i].uuid = talloc_strdup(config,
 228                                                         sysinfo->blockdevs[order[i]]->uuid);
 229                 } else if(order[i] < (sysinfo->n_blockdevs + sysinfo->n_interfaces)) {
 230                         /* net uuid */
 231                         order[i] -= sysinfo->n_blockdevs;
 232                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_UUID;
 233                         mac_str(sysinfo->interfaces[order[i]]->hwaddr,
 234                                 sysinfo->interfaces[order[i]]->hwaddr_size,
 235                                 mac, sizeof(mac));
 236                         config->autoboot_opts[i].uuid = talloc_strdup(config, mac);
 237                 } else {
 238                         /* device type */
 239                         order[i] -= (sysinfo->n_blockdevs + sysinfo->n_interfaces);
 240                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_TYPE;
 241                         config->autoboot_opts[i].type = order[i];
 242                 }
 243         }
 244
 245         str = widget_textbox_get_value(screen->widgets.timeout_f);
 246         if (str) {
 247                 unsigned long x;
 248                 errno = 0;
 249                 x = strtoul(str, &end, 10);
 250                 if (!errno && end != str)
 251                         config->autoboot_timeout_sec = x;
 252         }
 253
 254         if (screen->ipmi_override)
 255                 if (widget_checkbox_get_value(screen->widgets.ipmi_clear_cb))
 256                         config->ipmi_bootdev = IPMI_BOOTDEV_INVALID;
 257
 258
 259         net_conf_type = widget_select_get_value(screen->widgets.network_f);
 260
 261         /* if we don't have any network interfaces, prevent per-interface
 262          * configuration */
 263         if (sysinfo->n_interfaces == 0)
 264                 net_conf_type = NET_CONF_TYPE_DHCP_ALL;
 265
 266         if (net_conf_type == NET_CONF_TYPE_DHCP_ALL) {
 267                 config->network.n_interfaces = 0;
 268
 269         } else {
 270                 iface = talloc_zero(config, struct interface_config);
 271                 config->network.n_interfaces = 1;
 272                 config->network.interfaces = talloc_array(config,
 273                                 struct interface_config *, 1);
 274                 config->network.interfaces[0] = iface;
 275
 276                 /* copy hwaddr (from the sysinfo interface data) to
 277                  * the configuration */
 278                 idx = widget_select_get_value(screen->widgets.iface_f);
 279                 memcpy(iface->hwaddr, sysinfo->interfaces[idx]->hwaddr,
 280                                 sizeof(iface->hwaddr));
 281         }
 282
 283         if (net_conf_type == NET_CONF_TYPE_DHCP_ONE) {
 284                 iface->method = CONFIG_METHOD_DHCP;
 285         }
 286
 287         if (net_conf_type == NET_CONF_TYPE_STATIC) {
 288                 char *ip, *mask, *gateway, *url;
 289
 290                 ip = widget_textbox_get_value(screen->widgets.ip_addr_f);
 291                 mask = widget_textbox_get_value(screen->widgets.ip_mask_f);
 292                 gateway = widget_textbox_get_value(screen->widgets.gateway_f);
 293                 url = widget_textbox_get_value(screen->widgets.url_f);
 294
 295                 if (!ip || !*ip || !mask || !*mask) {
 296                         screen->scr.frame.status =
 297                                 _("No IP / mask values are set");
 298                         nc_scr_frame_draw(&screen->scr);
 299                         talloc_free(config);
 300                         return -1;
 301                 }
 302
 303                 iface->method = CONFIG_METHOD_STATIC;
 304                 iface->static_config.address = talloc_asprintf(iface, "%s/%s",
 305                                 ip, mask);
 306                 iface->static_config.gateway = talloc_strdup(iface, gateway);
 307                 iface->static_config.url = talloc_strdup(iface, url);
 308         }
 309
 310         str = widget_textbox_get_value(screen->widgets.dns_f);
 311         talloc_free(config->network.dns_servers);
 312         config->network.dns_servers = NULL;
 313         config->network.n_dns_servers = 0;
 314
 315         if (str && strlen(str)) {
 316                 char *dns, *tmp;
 317                 int i;
 318
 319                 for (;;) {
 320                         dns = strtok_r(str, " \t", &tmp);
 321
 322                         if (!dns)
 323                                 break;
 324
 325                         i = config->network.n_dns_servers++;
 326                         config->network.dns_servers = talloc_realloc(config,
 327                                         config->network.dns_servers,
 328                                         const char *,
 329                                         config->network.n_dns_servers);
 330                         config->network.dns_servers[i] =
 331                                 talloc_strdup(config, dns);
 332
 333                         str = NULL;
 334                 }
 335         }
 336
 337         allow_write = widget_select_get_value(screen->widgets.allow_write_f);
 338         if (allow_write != config->allow_writes)
 339                 config->allow_writes = allow_write;
 340
 341         if (config->n_consoles) {
 342                 idx = widget_select_get_value(screen->widgets.boot_console_f);
 343                 if (!config->boot_console) {
 344                         config->boot_console = talloc_strdup(config,
 345                                                         config->consoles[idx]);
 346                 } else if (strncmp(config->boot_console, config->consoles[idx],
 347                                 strlen(config->boot_console)) != 0) {
 348                         talloc_free(config->boot_console);
 349                         config->boot_console = talloc_strdup(config,
 350                                                         config->consoles[idx]);
 351                 }
 352         }
 353
 354         config->safe_mode = false;
 355         rc = cui_send_config(screen->cui, config);
 356         talloc_free(config);
 357
 358         if (rc)
 359                 pb_log("cui_send_config failed!\n");
 360         else
 361                 pb_debug("config sent!\n");
 362
 363         return 0;
 364 }
 365
 366 static void ok_click(void *arg)
 367 {
 368         struct config_screen *screen = arg;
 369         if (screen_process_form(screen))
 370                 /* errors are written to the status line, so we'll need
 371                  * to refresh */
 372                 wrefresh(screen->scr.main_ncw);
 373         else
 374                 screen->exit = true;
 375 }
 376
 377 static void help_click(void *arg)
 378 {
 379         struct config_screen *screen = arg;
 380         screen->show_help = true;
 381 }
 382
 383 static void cancel_click(void *arg)
 384 {
 385         struct config_screen *screen = arg;
 386         screen->exit = true;
 387 }
 388
 389 static int layout_pair(struct config_screen *screen, int y,
 390                 struct nc_widget_label *label,
 391                 struct nc_widget *field)
 392 {
 393         struct nc_widget *label_w = widget_label_base(label);
 394         widget_move(label_w, y, screen->label_x);
 395         widget_move(field, y, screen->field_x);
 396         return max(widget_height(label_w), widget_height(field));
 397 }
 398
 399 static void config_screen_layout_widgets(struct config_screen *screen)
 400 {
 401         struct nc_widget *wl, *wf, *wh;
 402         int y, x, help_x;
 403         bool show;
 404
 405         y = 1;
 406         /* currently, the longest label we have is the DNS-servers
 407          * widget, so layout our screen based on that */
 408         help_x = screen->field_x + 2 +
 409                 widget_width(widget_textbox_base(screen->widgets.dns_f));
 410
 411         wl = widget_label_base(screen->widgets.autoboot_l);
 412         widget_set_visible(wl, true);
 413         widget_move(wl, y, screen->label_x);
 414
 415         wf = widget_select_base(screen->widgets.autoboot_f);
 416         widget_set_visible(wf, true);
 417         widget_move(wf, y, screen->field_x);
 418         y += widget_height(wf);
 419
 420         show = screen->autoboot_enabled;
 421
 422         if (show)
 423                 y += 1;
 424
 425         wl = widget_label_base(screen->widgets.boot_order_l);
 426         widget_set_visible(wl, show);
 427         widget_move(wl, y, screen->label_x);
 428
 429         wf = widget_subset_base(screen->widgets.boot_order_f);
 430         widget_move(wf, y, screen->field_x);
 431         wl = widget_label_base(screen->widgets.boot_empty_l);
 432         widget_move(wl, y, screen->field_x);
 433
 434         if (widget_subset_height(screen->widgets.boot_order_f)) {
 435                 widget_set_visible(wl, false);
 436                 widget_set_visible(wf, show);
 437                 y += show ? widget_height(wf) : 0;
 438         } else {
 439                 widget_set_visible(wl, show);
 440                 widget_set_visible(wf, false);
 441                 y += show ? 1 : 0;
 442         }
 443
 444         if (show) {
 445                 y += 1;
 446                 widget_move(widget_button_base(screen->widgets.boot_add_b),
 447                                 y++, screen->field_x);
 448                 widget_move(widget_button_base(screen->widgets.boot_any_b),
 449                                 y++, screen->field_x);
 450                 widget_move(widget_button_base(screen->widgets.boot_none_b),
 451                                 y, screen->field_x);
 452         }
 453
 454         wf = widget_button_base(screen->widgets.boot_add_b);
 455         if (widget_subset_n_inactive(screen->widgets.boot_order_f) && show)
 456                 widget_set_visible(wf, true);
 457         else
 458                 widget_set_visible(wf, false);
 459
 460         if (show)
 461                 y += 2;
 462
 463         widget_set_visible(widget_button_base(screen->widgets.boot_any_b), show);
 464         widget_set_visible(widget_button_base(screen->widgets.boot_none_b), show);
 465
 466         wf = widget_textbox_base(screen->widgets.timeout_f);
 467         wl = widget_label_base(screen->widgets.timeout_l);
 468         wh = widget_label_base(screen->widgets.timeout_help_l);
 469         widget_set_visible(wl, screen->autoboot_enabled);
 470         widget_set_visible(wf, screen->autoboot_enabled);
 471         widget_set_visible(wh, screen->autoboot_enabled);
 472         if (screen->autoboot_enabled) {
 473                 widget_set_visible(wh, screen->autoboot_enabled);
 474                 widget_move(wl, y, screen->label_x);
 475                 widget_move(wf, y, screen->field_x);
 476                 widget_move(wh, y, screen->field_x + widget_width(wf) + 1);
 477                 y += 2;
 478         } else
 479                 y += 1;
 480
 481         if (screen->ipmi_override) {
 482                 wl = widget_label_base(screen->widgets.ipmi_type_l);
 483                 widget_set_visible(wl, true);
 484                 widget_move(wl, y, screen->label_x);
 485                 y += 1;
 486
 487                 wl = widget_label_base(screen->widgets.ipmi_clear_l);
 488                 wf = widget_checkbox_base(screen->widgets.ipmi_clear_cb);
 489                 widget_set_visible(wl, true);
 490                 widget_set_visible(wf, true);
 491                 widget_move(wl, y, screen->label_x);
 492                 widget_move(wf, y, screen->field_x);
 493                 y += 1;
 494         }
 495
 496         y += 1;
 497
 498         y += layout_pair(screen, y, screen->widgets.network_l,
 499                         widget_select_base(screen->widgets.network_f));
 500
 501         y += 1;
 502
 503         /* conditionally show iface select */
 504         wl = widget_label_base(screen->widgets.iface_l);
 505         wf = widget_select_base(screen->widgets.iface_f);
 506
 507         show = screen->net_conf_type == NET_CONF_TYPE_DHCP_ONE ||
 508                 screen->net_conf_type == NET_CONF_TYPE_STATIC;
 509
 510         widget_set_visible(wl, show);
 511         widget_set_visible(wf, show);
 512
 513         if (show)
 514                 y += layout_pair(screen, y, screen->widgets.iface_l, wf) + 1;
 515
 516         /* conditionally show static IP params */
 517         show = screen->net_conf_type == NET_CONF_TYPE_STATIC;
 518
 519         wl = widget_label_base(screen->widgets.ip_addr_l);
 520         wf = widget_textbox_base(screen->widgets.ip_addr_f);
 521         widget_set_visible(wl, show);
 522         widget_set_visible(wf, show);
 523         x = screen->field_x + widget_width(wf) + 1;
 524
 525         if (show)
 526                 layout_pair(screen, y, screen->widgets.ip_addr_l, wf);
 527
 528         wl = widget_label_base(screen->widgets.ip_mask_l);
 529         wf = widget_textbox_base(screen->widgets.ip_mask_f);
 530         widget_set_visible(wl, show);
 531         widget_set_visible(wf, show);
 532
 533         if (show) {
 534                 widget_move(wl, y, x);
 535                 widget_move(wf, y, x + 2);
 536         }
 537
 538         /* help for IP/mask */
 539         wh = widget_label_base(screen->widgets.ip_addr_mask_help_l);
 540         widget_set_visible(wh, show);
 541         if (show) {
 542                 widget_move(wh, y, help_x);
 543                 y++;
 544         }
 545
 546         wl = widget_label_base(screen->widgets.gateway_l);
 547         wf = widget_textbox_base(screen->widgets.gateway_f);
 548         wh = widget_label_base(screen->widgets.gateway_help_l);
 549         widget_set_visible(wl, show);
 550         widget_set_visible(wf, show);
 551         widget_set_visible(wh, show);
 552
 553         if (show) {
 554                 layout_pair(screen, y, screen->widgets.gateway_l, wf);
 555                 widget_move(wh, y, help_x);
 556                 y++;
 557         }
 558
 559         wl = widget_label_base(screen->widgets.url_l);
 560         wf = widget_textbox_base(screen->widgets.url_f);
 561         wh = widget_label_base(screen->widgets.url_help_l);
 562         widget_set_visible(wl, show);
 563         widget_set_visible(wf, show);
 564         widget_set_visible(wh, show);
 565
 566         if (show) {
 567                 layout_pair(screen, y, screen->widgets.url_l, wf);
 568                 widget_move(wh, y, help_x);
 569                 y++;
 570         }
 571
 572         wh = widget_label_base(screen->widgets.dns_help_l);
 573         layout_pair(screen, y, screen->widgets.dns_l,
 574                         widget_textbox_base(screen->widgets.dns_f));
 575         widget_move(wh, y, help_x);
 576         y++;
 577
 578         /* we show the DNS/DHCP help if we're configuring DHCP */
 579         show = screen->net_conf_type != NET_CONF_TYPE_STATIC;
 580         wl = widget_label_base(screen->widgets.dns_dhcp_help_l);
 581         widget_set_visible(wl, show);
 582         if (show) {
 583                 widget_move(wl, y, screen->field_x);
 584                 y += 1;
 585         }
 586
 587         y += 1;
 588
 589         layout_pair(screen, y, screen->widgets.allow_write_l,
 590                     widget_select_base(screen->widgets.allow_write_f));
 591         y += widget_height(widget_select_base(screen->widgets.allow_write_f));
 592
 593         y += 1;
 594
 595         if (widget_height(widget_select_base(screen->widgets.boot_console_f))) {
 596                 layout_pair(screen, y, screen->widgets.boot_console_l,
 597                             widget_select_base(screen->widgets.boot_console_f));
 598                 y += widget_height(widget_select_base(screen->widgets.boot_console_f));
 599                 widget_move(widget_label_base(screen->widgets.current_console_l),
 600                         y, screen->field_x);
 601                 y += 2;
 602         } else {
 603                 widget_set_visible(widget_label_base(
 604                                         screen->widgets.boot_console_l), false);
 605                 widget_set_visible(widget_select_base(
 606                                         screen->widgets.boot_console_f), false);
 607                 widget_set_visible(widget_label_base(
 608                                         screen->widgets.current_console_l), false);
 609         }
 610
 611         if (screen->net_override) {
 612                 widget_move(widget_label_base(screen->widgets.net_override_l),
 613                                 y, screen->label_x);
 614                 widget_set_visible(widget_label_base(screen->widgets.net_override_l),
 615                                         true);
 616                 y += 1;
 617         }
 618
 619         if (screen->cui->config->safe_mode) {
 620                 widget_move(widget_label_base(screen->widgets.safe_mode),
 621                         y, screen->label_x);
 622                 widget_set_visible(widget_label_base(screen->widgets.safe_mode),
 623                                         true);
 624                 y += 1;
 625         }
 626
 627         widget_move(widget_button_base(screen->widgets.ok_b),
 628                         y, screen->field_x);
 629         widget_move(widget_button_base(screen->widgets.help_b),
 630                         y, screen->field_x + 14);
 631         widget_move(widget_button_base(screen->widgets.cancel_b),
 632                         y, screen->field_x + 28);
 633 }
 634
 635 static void config_screen_network_change(void *arg, int value)
 636 {
 637         struct config_screen *screen = arg;
 638         screen->net_conf_type = value;
 639         widgetset_unpost(screen->widgetset);
 640         config_screen_layout_widgets(screen);
 641         widgetset_post(screen->widgetset);
 642 }
 643
 644 static void config_screen_boot_order_change(void *arg, int value)
 645 {
 646         (void)value;
 647         struct config_screen *screen = arg;
 648         widgetset_unpost(screen->widgetset);
 649         config_screen_layout_widgets(screen);
 650         widgetset_post(screen->widgetset);
 651 }
 652
 653 static void config_screen_autoboot_change(void *arg, int value)
 654 {
 655         struct config_screen *screen = arg;
 656         screen->autoboot_enabled = !!value;
 657         widgetset_unpost(screen->widgetset);
 658         config_screen_layout_widgets(screen);
 659         widgetset_post(screen->widgetset);
 660 }
 661
 662 static void config_screen_add_device(void *arg)
 663 {
 664         struct config_screen *screen = arg;
 665
 666         screen->show_subset = true;
 667         cui_show_subset(screen->cui, _("Select a boot device to add"),
 668                         screen->widgets.boot_order_f);
 669 }
 670
 671 static void config_screen_autoboot_none(void *arg)
 672 {
 673         struct config_screen *screen = arg;
 674         struct nc_widget_subset *subset = screen->widgets.boot_order_f;
 675
 676         widget_subset_clear_active(subset);
 677
 678         widgetset_unpost(screen->widgetset);
 679         config_screen_layout_widgets(screen);
 680         widgetset_post(screen->widgetset);
 681 }
 682
 683 static void config_screen_autoboot_any(void *arg)
 684 {
 685         struct config_screen *screen = arg;
 686         const struct system_info *sysinfo = screen->cui->sysinfo;
 687         struct nc_widget_subset *subset = screen->widgets.boot_order_f;
 688         int idx;
 689
 690         widget_subset_clear_active(subset);
 691
 692         idx = sysinfo->n_blockdevs + sysinfo->n_interfaces + DEVICE_TYPE_ANY;
 693
 694         widget_subset_make_active(screen->widgets.boot_order_f, idx);
 695
 696         screen->autoboot_enabled = true;
 697
 698         widgetset_unpost(screen->widgetset);
 699         config_screen_layout_widgets(screen);
 700         widgetset_post(screen->widgetset);
 701 }
 702
 703 static void config_screen_update_subset(void *arg,
 704                         struct nc_widget_subset *subset, int idx)
 705 {
 706         struct config_screen *screen = arg;
 707
 708         if (idx >= 0)
 709                 widget_subset_make_active(subset, idx);
 710         if (!screen->autoboot_enabled)
 711                 screen->autoboot_enabled = true;
 712         config_screen_layout_widgets(screen);
 713 }
 714
 715 static struct interface_config *first_active_interface(
 716                 const struct config *config)
 717 {
 718         unsigned int i;
 719
 720         for (i = 0; i < config->network.n_interfaces; i++) {
 721                 if (config->network.interfaces[i]->ignore)
 722                         continue;
 723                 return config->network.interfaces[i];
 724         }
 725         return NULL;
 726 }
 727
 728 static enum net_conf_type find_net_conf_type(const struct config *config)
 729 {
 730         struct interface_config *ifcfg;
 731
 732         ifcfg = first_active_interface(config);
 733
 734         if (!ifcfg)
 735                 return NET_CONF_TYPE_DHCP_ALL;
 736
 737         else if (ifcfg->method == CONFIG_METHOD_DHCP)
 738                 return NET_CONF_TYPE_DHCP_ONE;
 739
 740         else if (ifcfg->method == CONFIG_METHOD_STATIC)
 741                 return NET_CONF_TYPE_STATIC;
 742
 743         assert(0);
 744         return NET_CONF_TYPE_DHCP_ALL;
 745 }
 746
 747 static void config_screen_setup_empty(struct config_screen *screen)
 748 {
 749         widget_new_label(screen->widgetset, 2, screen->field_x,
 750                         _("Waiting for configuration data..."));
 751         screen->widgets.cancel_b = widget_new_button(screen->widgetset,
 752                         4, screen->field_x, 9, _("Cancel"),
 753                         cancel_click, screen);
 754 }
 755
 756 static int find_autoboot_idx(const struct system_info *sysinfo,
 757                 struct autoboot_option *opt)
 758 {
 759         unsigned int i;
 760
 761         if (opt->boot_type == BOOT_DEVICE_TYPE)
 762                 return sysinfo->n_blockdevs + sysinfo->n_interfaces + opt->type;
 763
 764         for (i = 0; i < sysinfo->n_blockdevs; i++) {
 765                 if (!strcmp(sysinfo->blockdevs[i]->uuid, opt->uuid))
 766                         return i;
 767         }
 768
 769         for (i = 0; i < sysinfo->n_interfaces; i++) {
 770                 struct interface_info *info = sysinfo->interfaces[i];
 771                 char mac[20];
 772
 773                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 774
 775                 if (!strcmp(mac, opt->uuid))
 776                         return sysinfo->n_blockdevs + i;
 777         }
 778
 779         return -1;
 780 }
 781
 782 static void config_screen_setup_widgets(struct config_screen *screen,
 783                 const struct config *config,
 784                 const struct system_info *sysinfo)
 785 {
 786         struct nc_widgetset *set = screen->widgetset;
 787         struct interface_config *ifcfg;
 788         char *str, *ip, *mask, *gw, *url, *tty;
 789         enum net_conf_type type;
 790         unsigned int i;
 791         int add_len, clear_len, any_len, min_len = 20;
 792         bool found;
 793
 794         build_assert(sizeof(screen->widgets) / sizeof(struct widget *)
 795                         == N_FIELDS);
 796
 797         type = screen->net_conf_type;
 798         ifcfg = first_active_interface(config);
 799
 800         screen->autoboot_enabled = config->autoboot_enabled;
 801
 802         screen->widgets.autoboot_l = widget_new_label(set, 0, 0,
 803                                         _("Autoboot:"));
 804         screen->widgets.autoboot_f = widget_new_select(set, 0, 0,
 805                                         COLS - screen->field_x - 1);
 806
 807         widget_select_add_option(screen->widgets.autoboot_f, 0, _("Disabled"),
 808                                  !screen->autoboot_enabled);
 809         widget_select_add_option(screen->widgets.autoboot_f, 1, _("Enabled"),
 810                                  screen->autoboot_enabled);
 811
 812         widget_select_on_change(screen->widgets.autoboot_f,
 813                         config_screen_autoboot_change, screen);
 814
 815         add_len = max(min_len, strncols(_("Add Device")));
 816         clear_len = max(min_len, strncols(_("Clear")));
 817         any_len = max(min_len, strncols(_("Clear & Boot Any")));
 818
 819         screen->widgets.boot_add_b = widget_new_button(set, 0, 0, add_len,
 820                                         _("Add Device"),
 821                                         config_screen_add_device, screen);
 822
 823         screen->widgets.boot_none_b = widget_new_button(set, 0, 0, clear_len,
 824                                         _("Clear"),
 825                                         config_screen_autoboot_none, screen);
 826
 827         screen->widgets.boot_any_b = widget_new_button(set, 0, 0, any_len,
 828                                         _("Clear & Boot Any"),
 829                                         config_screen_autoboot_any, screen);
 830
 831         screen->widgets.boot_order_l = widget_new_label(set, 0, 0,
 832                                         _("Boot Order:"));
 833         screen->widgets.boot_order_f = widget_new_subset(set, 0, 0,
 834                                         COLS - screen->field_x,
 835                                         config_screen_update_subset);
 836         screen->widgets.boot_empty_l = widget_new_label(set, 0, 0,
 837                                         _("(None)"));
 838
 839         widget_subset_on_change(screen->widgets.boot_order_f,
 840                         config_screen_boot_order_change, screen);
 841
 842         for (i = 0; i < sysinfo->n_blockdevs; i++) {
 843                 struct blockdev_info *bd = sysinfo->blockdevs[i];
 844                 char *label;
 845
 846                 label = talloc_asprintf(screen, _("disk: %s [uuid: %s]"),
 847                                 bd->name, bd->uuid);
 848
 849                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 850         }
 851
 852         for (i = 0; i < sysinfo->n_interfaces; i++) {
 853                 struct interface_info *info = sysinfo->interfaces[i];
 854                 char *label, mac[20];
 855
 856                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 857
 858                 label = talloc_asprintf(screen, _("net:  %s [mac: %s]"),
 859                                 info->name, mac);
 860
 861                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 862         }
 863
 864         for (i = DEVICE_TYPE_NETWORK; i < DEVICE_TYPE_UNKNOWN; i++) {
 865                 char *label;
 866
 867                 if (i == DEVICE_TYPE_ANY)
 868                         label = talloc_asprintf(screen, _("Any Device"));
 869                 else
 870                         label = talloc_asprintf(screen, _("Any %s device"),
 871                                                 device_type_display_name(i));
 872
 873                 widget_subset_add_option(screen->widgets.boot_order_f, label);
 874         }
 875
 876         for (i = 0; i < config->n_autoboot_opts; i++) {
 877                 struct autoboot_option *opt = &config->autoboot_opts[i];
 878                 int idx;
 879
 880                 idx = find_autoboot_idx(sysinfo, opt);
 881
 882                 if (idx >= 0) {
 883                         widget_subset_make_active(screen->widgets.boot_order_f,
 884                                                   idx);
 885                 } else {
 886                         if (opt->boot_type == BOOT_DEVICE_TYPE)
 887                                 pb_log("%s: Unknown autoboot option: %d\n",
 888                                        __func__, opt->type);
 889                         else
 890                                 pb_log("%s: Unknown autoboot UUID: %s\n",
 891                                        __func__, opt->uuid);
 892                 }
 893         }
 894
 895
 896         str = talloc_asprintf(screen, "%d", config->autoboot_timeout_sec);
 897         screen->widgets.timeout_l = widget_new_label(set, 0, 0, _("Timeout:"));
 898         screen->widgets.timeout_f = widget_new_textbox(set, 0, 0, 5, str);
 899         screen->widgets.timeout_help_l = widget_new_label(set, 0, 0,
 900                                         _("seconds"));
 901
 902         widget_textbox_set_fixed_size(screen->widgets.timeout_f);
 903         widget_textbox_set_validator_integer(screen->widgets.timeout_f, 0, 999);
 904
 905         if (config->ipmi_bootdev) {
 906                 char *label = talloc_asprintf(screen,
 907                                 _("%s IPMI boot option: %s"),
 908                                 config->ipmi_bootdev_persistent ?
 909                                 "Persistent" : "Temporary",
 910                                 ipmi_bootdev_display_name(config->ipmi_bootdev));
 911                 screen->widgets.ipmi_type_l = widget_new_label(set, 0, 0,
 912                                                         label);
 913                 screen->widgets.ipmi_clear_l = widget_new_label(set, 0, 0,
 914                                                         _("Clear option:"));
 915                 screen->widgets.ipmi_clear_cb = widget_new_checkbox(set, 0, 0,
 916                                                         false);
 917                 screen->ipmi_override = true;
 918         }
 919
 920         screen->widgets.network_l = widget_new_label(set, 0, 0, _("Network:"));
 921         screen->widgets.network_f = widget_new_select(set, 0, 0,
 922                                                 COLS - screen->field_x - 1);
 923
 924         widget_select_add_option(screen->widgets.network_f,
 925                                         NET_CONF_TYPE_DHCP_ALL,
 926                                         _("DHCP on all active interfaces"),
 927                                         type == NET_CONF_TYPE_DHCP_ALL);
 928         widget_select_add_option(screen->widgets.network_f,
 929                                         NET_CONF_TYPE_DHCP_ONE,
 930                                         _("DHCP on a specific interface"),
 931                                         type == NET_CONF_TYPE_DHCP_ONE);
 932         widget_select_add_option(screen->widgets.network_f,
 933                                         NET_CONF_TYPE_STATIC,
 934                                         _("Static IP configuration"),
 935                                         type == NET_CONF_TYPE_STATIC);
 936
 937         widget_select_on_change(screen->widgets.network_f,
 938                         config_screen_network_change, screen);
 939
 940         screen->widgets.iface_l = widget_new_label(set, 0, 0, _("Device:"));
 941         screen->widgets.iface_f = widget_new_select(set, 0, 0, 50);
 942
 943         for (i = 0; i < sysinfo->n_interfaces; i++) {
 944                 struct interface_info *info = sysinfo->interfaces[i];
 945                 char str[50], mac[20];
 946                 bool is_default;
 947
 948                 is_default = ifcfg && !memcmp(ifcfg->hwaddr, info->hwaddr,
 949                                         sizeof(ifcfg->hwaddr));
 950
 951                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
 952                 snprintf(str, sizeof(str), "%s [%s, %s]", info->name, mac,
 953                                 info->link ? _("link up") : _("link down"));
 954
 955                 widget_select_add_option(screen->widgets.iface_f,
 956                                                 i, str, is_default);
 957         }
 958
 959         url = gw = ip = mask = NULL;
 960         if (ifcfg && ifcfg->method == CONFIG_METHOD_STATIC) {
 961                 char *sep;
 962
 963                 str = talloc_strdup(screen, ifcfg->static_config.address);
 964                 sep = strchr(str, '/');
 965                 ip = str;
 966
 967                 if (sep) {
 968                         *sep = '\0';
 969                         mask = sep + 1;
 970                 }
 971                 gw = ifcfg->static_config.gateway;
 972                 url = ifcfg->static_config.url;
 973         }
 974
 975         screen->net_override = ifcfg && ifcfg->override;
 976         if (screen->net_override) {
 977                 screen->widgets.net_override_l = widget_new_label(set, 0, 0,
 978                         _("Network Override Active! 'OK' will overwrite interface config"));
 979         }
 980
 981         screen->widgets.ip_addr_l = widget_new_label(set, 0, 0, _("IP/mask:"));
 982         screen->widgets.ip_addr_f = widget_new_textbox(set, 0, 0, 16, ip);
 983         screen->widgets.ip_mask_l = widget_new_label(set, 0, 0, "/");
 984         screen->widgets.ip_mask_f = widget_new_textbox(set, 0, 0, 3, mask);
 985         screen->widgets.ip_addr_mask_help_l =
 986                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.10 / 24)"));
 987
 988         widget_textbox_set_fixed_size(screen->widgets.ip_addr_f);
 989         widget_textbox_set_fixed_size(screen->widgets.ip_mask_f);
 990         widget_textbox_set_validator_ipv4(screen->widgets.ip_addr_f);
 991         widget_textbox_set_validator_integer(screen->widgets.ip_mask_f, 1, 31);
 992
 993         screen->widgets.gateway_l = widget_new_label(set, 0, 0, _("Gateway:"));
 994         screen->widgets.gateway_f = widget_new_textbox(set, 0, 0, 16, gw);
 995         screen->widgets.gateway_help_l =
 996                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.1)"));
 997
 998         widget_textbox_set_fixed_size(screen->widgets.gateway_f);
 999         widget_textbox_set_validator_ipv4(screen->widgets.gateway_f);
1000
1001         screen->widgets.url_l = widget_new_label(set, 0, 0, _("URL:"));
1002         screen->widgets.url_f = widget_new_textbox(set, 0, 0, 32, url);
1003         screen->widgets.url_help_l =
1004                 widget_new_label(set, 0, 0, _("(eg. tftp://)"));
1005
1006         str = talloc_strdup(screen, "");
1007         for (i = 0; i < config->network.n_dns_servers; i++) {
1008                 str = talloc_asprintf_append(str, "%s%s",
1009                                 (i == 0) ? "" : " ",
1010                                 config->network.dns_servers[i]);
1011         }
1012
1013         screen->widgets.dns_l = widget_new_label(set, 0, 0,
1014                                         _("DNS Server(s):"));
1015         screen->widgets.dns_f = widget_new_textbox(set, 0, 0, 32, str);
1016         screen->widgets.dns_help_l =
1017                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.2)"));
1018
1019         widget_textbox_set_validator_ipv4_multi(screen->widgets.dns_f);
1020
1021         screen->widgets.dns_dhcp_help_l = widget_new_label(set, 0, 0,
1022                         _("(if not provided by DHCP server)"));
1023
1024         if (config->safe_mode)
1025                 screen->widgets.safe_mode = widget_new_label(set, 0, 0,
1026                          _("Selecting 'OK' will exit safe mode"));
1027
1028         screen->widgets.allow_write_l = widget_new_label(set, 0, 0,
1029                         _("Disk R/W:"));
1030         screen->widgets.allow_write_f = widget_new_select(set, 0, 0,
1031                                                 COLS - screen->field_x - 1);
1032
1033         widget_select_add_option(screen->widgets.allow_write_f, 0,
1034                                 _("Prevent all writes to disk"),
1035                                 !config->allow_writes);
1036
1037         widget_select_add_option(screen->widgets.allow_write_f, 1,
1038                                 _("Allow bootloader scripts to modify disks"),
1039                                 config->allow_writes);
1040
1041         screen->widgets.boot_console_l = widget_new_label(set, 0, 0,
1042                         _("Boot console:"));
1043         screen->widgets.boot_console_f = widget_new_select(set, 0, 0,
1044                                                 COLS - screen->field_x - 1);
1045
1046         for (i = 0; i < config->n_consoles; i++){
1047                 found = config->boot_console &&
1048                         strncmp(config->boot_console, config->consoles[i],
1049                                 strlen(config->boot_console)) == 0;
1050                 widget_select_add_option(screen->widgets.boot_console_f, i,
1051                                         config->consoles[i], found);
1052         }
1053
1054         tty = talloc_asprintf(screen, _("Current interface: %s"),
1055                                 ttyname(STDIN_FILENO));
1056         screen->widgets.current_console_l = widget_new_label(set, 0 , 0, tty);
1057
1058         screen->widgets.ok_b = widget_new_button(set, 0, 0, 10, _("OK"),
1059                         ok_click, screen);
1060         screen->widgets.help_b = widget_new_button(set, 0, 0, 10, _("Help"),
1061                         help_click, screen);
1062         screen->widgets.cancel_b = widget_new_button(set, 0, 0, 10, _("Cancel"),
1063                         cancel_click, screen);
1064 }
1065
1066 static void config_screen_widget_focus(struct nc_widget *widget, void *arg)
1067 {
1068         struct config_screen *screen = arg;
1069         int w_y, w_height, w_focus, s_max, adjust;
1070
1071         w_height = widget_height(widget);
1072         w_focus = widget_focus_y(widget);
1073         w_y = widget_y(widget) + w_focus;
1074         s_max = getmaxy(screen->scr.sub_ncw) - 1;
1075
1076         if (w_y < screen->scroll_y)
1077                 screen->scroll_y = w_y;
1078
1079         else if (w_y + screen->scroll_y + 1 > s_max) {
1080                 /* Fit as much of the widget into the screen as possible */
1081                 adjust = min(s_max - 1, w_height - w_focus);
1082                 if (w_y + adjust >= screen->scroll_y + s_max)
1083                         screen->scroll_y = max(0, 1 + w_y + adjust - s_max);
1084         } else
1085                 return;
1086
1087         pad_refresh(screen);
1088 }
1089
1090 static void config_screen_draw(struct config_screen *screen,
1091                 const struct config *config,
1092                 const struct system_info *sysinfo)
1093 {
1094         bool repost = false;
1095         int height;
1096
1097         /* The size of the pad we'll need depends on the number of interfaces.
1098          *
1099          * We use N_FIELDS (which is quite conservative, as some fields share
1100          * a line) as a base, then:
1101          * - add 6 (as the network select & boot device select fields take 3
1102          *   lines each),
1103          * - add n_interfaces for every field in the network select field, and
1104          * - add (n_blockdevs + n_interfaces) for every field in the boot device
1105          *   select field
1106          */
1107         height = N_FIELDS + 6;
1108         if (sysinfo) {
1109                 height += sysinfo->n_interfaces;
1110                 height += (sysinfo->n_blockdevs + sysinfo->n_interfaces);
1111         }
1112         if (!screen->pad || getmaxy(screen->pad) < height) {
1113                 if (screen->pad)
1114                         delwin(screen->pad);
1115                 screen->pad = newpad(height, COLS + 10);
1116         }
1117
1118         if (screen->widgetset) {
1119                 widgetset_unpost(screen->widgetset);
1120                 talloc_free(screen->widgetset);
1121                 repost = true;
1122         }
1123
1124         screen->widgetset = widgetset_create(screen, screen->scr.main_ncw,
1125                         screen->pad);
1126         widgetset_set_widget_focus(screen->widgetset,
1127                         config_screen_widget_focus, screen);
1128
1129         if (!config || !sysinfo) {
1130                 config_screen_setup_empty(screen);
1131         } else {
1132                 screen->net_conf_type = find_net_conf_type(config);
1133                 config_screen_setup_widgets(screen, config, sysinfo);
1134                 config_screen_layout_widgets(screen);
1135         }
1136
1137         if (repost)
1138                 widgetset_post(screen->widgetset);
1139 }
1140
1141 void config_screen_update(struct config_screen *screen,
1142                 const struct config *config,
1143                 const struct system_info *sysinfo)
1144 {
1145         if (screen->cui->current != config_screen_scr(screen)) {
1146                 screen->need_update = true;
1147                 return;
1148         }
1149
1150         config_screen_draw(screen, config, sysinfo);
1151         pad_refresh(screen);
1152 }
1153
1154 static int config_screen_post(struct nc_scr *scr)
1155 {
1156         struct config_screen *screen = config_screen_from_scr(scr);
1157         screen->show_subset = false;
1158
1159         if (screen->need_update) {
1160                 config_screen_draw(screen, screen->cui->config,
1161                                    screen->cui->sysinfo);
1162                 screen->need_update = false;
1163         } else {
1164                 widgetset_post(screen->widgetset);
1165         }
1166
1167         nc_scr_frame_draw(scr);
1168         if (screen->need_redraw) {
1169                 redrawwin(scr->main_ncw);
1170                 screen->need_redraw = false;
1171         }
1172         wrefresh(screen->scr.main_ncw);
1173         pad_refresh(screen);
1174         return 0;
1175 }
1176
1177 static int config_screen_destroy(void *arg)
1178 {
1179         struct config_screen *screen = arg;
1180         if (screen->pad)
1181                 delwin(screen->pad);
1182         return 0;
1183 }
1184
1185 struct config_screen *config_screen_init(struct cui *cui,
1186                 const struct config *config,
1187                 const struct system_info *sysinfo,
1188                 void (*on_exit)(struct cui *))
1189 {
1190         struct config_screen *screen;
1191
1192         screen = talloc_zero(cui, struct config_screen);
1193         talloc_set_destructor(screen, config_screen_destroy);
1194         nc_scr_init(&screen->scr, pb_config_screen_sig, 0,
1195                         cui, config_screen_process_key,
1196                         config_screen_post, config_screen_unpost,
1197                         config_screen_resize);
1198
1199         screen->cui = cui;
1200         screen->on_exit = on_exit;
1201         screen->need_redraw = false;
1202         screen->need_update = false;
1203         screen->label_x = 2;
1204         screen->field_x = 17;
1205
1206         screen->ipmi_override = false;
1207         screen->show_subset = false;
1208
1209         screen->scr.frame.ltitle = talloc_strdup(screen,
1210                         _("Petitboot System Configuration"));
1211         screen->scr.frame.rtitle = NULL;
1212         screen->scr.frame.help = talloc_strdup(screen,
1213                         _("tab=next, shift+tab=previous, x=exit, h=help"));
1214         nc_scr_frame_draw(&screen->scr);
1215
1216         scrollok(screen->scr.sub_ncw, true);
1217
1218         config_screen_draw(screen, config, sysinfo);
1219
1220         return screen;
1221 }