po: Update translations
[petitboot] / 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        48
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_button         *ipmi_clear_b;
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                 struct nc_widget_label          *http_proxy_l;
110                 struct nc_widget_textbox        *http_proxy_f;
111                 struct nc_widget_label          *https_proxy_l;
112                 struct nc_widget_textbox        *https_proxy_f;
113
114                 struct nc_widget_label          *allow_write_l;
115                 struct nc_widget_select         *allow_write_f;
116                 struct nc_widget_label          *boot_console_l;
117                 struct nc_widget_select         *boot_console_f;
118                 struct nc_widget_label          *manual_console_l;
119                 struct nc_widget_label          *current_console_l;
120
121                 struct nc_widget_label          *net_override_l;
122                 struct nc_widget_label          *safe_mode;
123                 struct nc_widget_button         *ok_b;
124                 struct nc_widget_button         *help_b;
125                 struct nc_widget_button         *cancel_b;
126         } widgets;
127 };
128
129 static struct config_screen *config_screen_from_scr(struct nc_scr *scr)
130 {
131         struct config_screen *config_screen;
132
133         assert(scr->sig == pb_config_screen_sig);
134         config_screen = (struct config_screen *)
135                 ((char *)scr - (size_t)&((struct config_screen *)0)->scr);
136         assert(config_screen->scr.sig == pb_config_screen_sig);
137         return config_screen;
138 }
139
140 static void pad_refresh(struct config_screen *screen)
141 {
142         int y, x, rows, cols;
143
144         getmaxyx(screen->scr.sub_ncw, rows, cols);
145         getbegyx(screen->scr.sub_ncw, y, x);
146
147         prefresh(screen->pad, screen->scroll_y, 0, y, x, rows, cols);
148 }
149
150 static void config_screen_process_key(struct nc_scr *scr, int key)
151 {
152         struct config_screen *screen = config_screen_from_scr(scr);
153         bool handled;
154
155         handled = widgetset_process_key(screen->widgetset, key);
156
157         if (!handled) {
158                 switch (key) {
159                 case 'x':
160                 case 27: /* esc */
161                         screen->exit = true;
162                         break;
163                 case 'h':
164                         screen->show_help = true;
165                         break;
166                 }
167         }
168
169         if (screen->exit) {
170                 screen->on_exit(screen->cui);
171
172         } else if (screen->show_help) {
173                 screen->show_help = false;
174                 screen->need_redraw = true;
175                 cui_show_help(screen->cui, _("System Configuration"),
176                                 &config_help_text);
177
178         } else if (handled && !screen->show_subset) {
179                 pad_refresh(screen);
180         }
181 }
182
183 static void config_screen_resize(struct nc_scr *scr)
184 {
185         struct config_screen *screen = config_screen_from_scr(scr);
186         (void)screen;
187 }
188
189 static int config_screen_unpost(struct nc_scr *scr)
190 {
191         struct config_screen *screen = config_screen_from_scr(scr);
192         widgetset_unpost(screen->widgetset);
193         return 0;
194 }
195
196 struct nc_scr *config_screen_scr(struct config_screen *screen)
197 {
198         return &screen->scr;
199 }
200
201 static int screen_process_form(struct config_screen *screen)
202 {
203         const struct system_info *sysinfo = screen->cui->sysinfo;
204         enum net_conf_type net_conf_type;
205         struct interface_config *iface;
206         bool allow_write, autoboot;
207         char *str, *end;
208         struct config *config;
209         int i, n_boot_opts, rc;
210         unsigned int *order, idx;
211         char mac[20];
212
213         config = config_copy(screen, screen->cui->config);
214
215         talloc_free(config->autoboot_opts);
216         config->n_autoboot_opts = 0;
217
218         n_boot_opts = widget_subset_get_order(config, &order,
219                                               screen->widgets.boot_order_f);
220
221         autoboot = widget_select_get_value(screen->widgets.autoboot_f);
222         config->autoboot_enabled = autoboot && n_boot_opts;
223
224         config->n_autoboot_opts = n_boot_opts;
225         config->autoboot_opts = talloc_array(config, struct autoboot_option,
226                                              n_boot_opts);
227
228         for (i = 0; i < n_boot_opts; i++) {
229                 if (order[i] < sysinfo->n_blockdevs) {
230                         /* disk uuid */
231                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_UUID;
232                         config->autoboot_opts[i].uuid = talloc_strdup(config,
233                                                         sysinfo->blockdevs[order[i]]->uuid);
234                 } else if(order[i] < (sysinfo->n_blockdevs + sysinfo->n_interfaces)) {
235                         /* net uuid */
236                         order[i] -= sysinfo->n_blockdevs;
237                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_UUID;
238                         mac_str(sysinfo->interfaces[order[i]]->hwaddr,
239                                 sysinfo->interfaces[order[i]]->hwaddr_size,
240                                 mac, sizeof(mac));
241                         config->autoboot_opts[i].uuid = talloc_strdup(config, mac);
242                 } else {
243                         /* device type */
244                         order[i] -= (sysinfo->n_blockdevs + sysinfo->n_interfaces);
245                         config->autoboot_opts[i].boot_type = BOOT_DEVICE_TYPE;
246                         config->autoboot_opts[i].type = order[i];
247                 }
248         }
249
250         str = widget_textbox_get_value(screen->widgets.timeout_f);
251         if (str) {
252                 unsigned long x;
253                 errno = 0;
254                 x = strtoul(str, &end, 10);
255                 if (!errno && end != str)
256                         config->autoboot_timeout_sec = x;
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         talloc_free(config->http_proxy);
338         talloc_free(config->https_proxy);
339         str = widget_textbox_get_value(screen->widgets.http_proxy_f);
340         config->http_proxy = talloc_strdup(config, str);
341         str = widget_textbox_get_value(screen->widgets.https_proxy_f);
342         config->https_proxy = talloc_strdup(config, str);
343
344         allow_write = widget_select_get_value(screen->widgets.allow_write_f);
345         if (allow_write != config->allow_writes)
346                 config->allow_writes = allow_write;
347
348         if (config->n_consoles && !config->manual_console) {
349                 idx = widget_select_get_value(screen->widgets.boot_console_f);
350                 if (!config->boot_console) {
351                         config->boot_console = talloc_strdup(config,
352                                                         config->consoles[idx]);
353                 } else if (strncmp(config->boot_console, config->consoles[idx],
354                                 strlen(config->boot_console)) != 0) {
355                         talloc_free(config->boot_console);
356                         config->boot_console = talloc_strdup(config,
357                                                         config->consoles[idx]);
358                 }
359         }
360
361         config->safe_mode = false;
362         rc = cui_send_config(screen->cui, config);
363         talloc_free(config);
364
365         if (rc)
366                 pb_log("cui_send_config failed!\n");
367         else
368                 pb_debug("config sent!\n");
369
370         return 0;
371 }
372
373 static void ok_click(void *arg)
374 {
375         struct config_screen *screen = arg;
376         if (screen_process_form(screen))
377                 /* errors are written to the status line, so we'll need
378                  * to refresh */
379                 wrefresh(screen->scr.main_ncw);
380         else
381                 screen->exit = true;
382 }
383
384 static void help_click(void *arg)
385 {
386         struct config_screen *screen = arg;
387         screen->show_help = true;
388 }
389
390 static void cancel_click(void *arg)
391 {
392         struct config_screen *screen = arg;
393         screen->exit = true;
394 }
395
396 static void ipmi_clear_click(void *arg)
397 {
398         struct config_screen *screen = arg;
399         struct config *config;
400         int rc;
401
402         config = config_copy(screen, screen->cui->config);
403         config->ipmi_bootdev = IPMI_BOOTDEV_INVALID;
404         config->safe_mode = false;
405
406         rc = cui_send_config(screen->cui, config);
407         talloc_free(config);
408
409         if (rc)
410                 pb_log("cui_send_config failed!\n");
411         else
412                 pb_debug("config sent!\n");
413         screen->exit = true;
414 }
415
416 static int layout_pair(struct config_screen *screen, int y,
417                 struct nc_widget_label *label,
418                 struct nc_widget *field)
419 {
420         struct nc_widget *label_w = widget_label_base(label);
421         widget_move(label_w, y, screen->label_x);
422         widget_move(field, y, screen->field_x);
423         return max(widget_height(label_w), widget_height(field));
424 }
425
426 static void config_screen_layout_widgets(struct config_screen *screen)
427 {
428         struct nc_widget *wl, *wf, *wh;
429         int y, x, help_x;
430         bool show;
431
432         y = 1;
433         /* currently, the longest label we have is the DNS-servers
434          * widget, so layout our screen based on that */
435         help_x = screen->field_x + 2 +
436                 widget_width(widget_textbox_base(screen->widgets.dns_f));
437
438         wl = widget_label_base(screen->widgets.autoboot_l);
439         widget_set_visible(wl, true);
440         widget_move(wl, y, screen->label_x);
441
442         wf = widget_select_base(screen->widgets.autoboot_f);
443         widget_set_visible(wf, true);
444         widget_move(wf, y, screen->field_x);
445         y += widget_height(wf);
446
447         show = screen->autoboot_enabled;
448
449         if (show)
450                 y += 1;
451
452         wl = widget_label_base(screen->widgets.boot_order_l);
453         widget_set_visible(wl, show);
454         widget_move(wl, y, screen->label_x);
455
456         wf = widget_subset_base(screen->widgets.boot_order_f);
457         widget_move(wf, y, screen->field_x);
458         wl = widget_label_base(screen->widgets.boot_empty_l);
459         widget_move(wl, y, screen->field_x);
460
461         if (widget_subset_height(screen->widgets.boot_order_f)) {
462                 widget_set_visible(wl, false);
463                 widget_set_visible(wf, show);
464                 y += show ? widget_height(wf) : 0;
465         } else {
466                 widget_set_visible(wl, show);
467                 widget_set_visible(wf, false);
468                 y += show ? 1 : 0;
469         }
470
471         if (show) {
472                 y += 1;
473                 widget_move(widget_button_base(screen->widgets.boot_add_b),
474                                 y++, screen->field_x);
475                 widget_move(widget_button_base(screen->widgets.boot_any_b),
476                                 y++, screen->field_x);
477                 widget_move(widget_button_base(screen->widgets.boot_none_b),
478                                 y, screen->field_x);
479         }
480
481         wf = widget_button_base(screen->widgets.boot_add_b);
482         if (widget_subset_n_inactive(screen->widgets.boot_order_f) && show)
483                 widget_set_visible(wf, true);
484         else
485                 widget_set_visible(wf, false);
486
487         if (show)
488                 y += 2;
489
490         widget_set_visible(widget_button_base(screen->widgets.boot_any_b), show);
491         widget_set_visible(widget_button_base(screen->widgets.boot_none_b), show);
492
493         wf = widget_textbox_base(screen->widgets.timeout_f);
494         wl = widget_label_base(screen->widgets.timeout_l);
495         wh = widget_label_base(screen->widgets.timeout_help_l);
496         widget_set_visible(wl, screen->autoboot_enabled);
497         widget_set_visible(wf, screen->autoboot_enabled);
498         widget_set_visible(wh, screen->autoboot_enabled);
499         if (screen->autoboot_enabled) {
500                 widget_set_visible(wh, screen->autoboot_enabled);
501                 widget_move(wl, y, screen->label_x);
502                 widget_move(wf, y, screen->field_x);
503                 widget_move(wh, y, screen->field_x + widget_width(wf) + 1);
504                 y += 2;
505         } else
506                 y += 1;
507
508         if (screen->ipmi_override) {
509                 wl = widget_label_base(screen->widgets.ipmi_type_l);
510                 widget_set_visible(wl, true);
511                 widget_move(wl, y, screen->label_x);
512                 y += 1;
513
514                 wl = widget_label_base(screen->widgets.ipmi_clear_l);
515                 wf = widget_button_base(screen->widgets.ipmi_clear_b);
516                 widget_set_visible(wl, true);
517                 widget_set_visible(wf, true);
518                 widget_move(wl, y, screen->label_x);
519                 widget_move(wf, y, screen->field_x);
520                 y += 1;
521         }
522
523         y += 1;
524
525         y += layout_pair(screen, y, screen->widgets.network_l,
526                         widget_select_base(screen->widgets.network_f));
527
528         y += 1;
529
530         /* conditionally show iface select */
531         wl = widget_label_base(screen->widgets.iface_l);
532         wf = widget_select_base(screen->widgets.iface_f);
533
534         show = screen->net_conf_type == NET_CONF_TYPE_DHCP_ONE ||
535                 screen->net_conf_type == NET_CONF_TYPE_STATIC;
536
537         widget_set_visible(wl, show);
538         widget_set_visible(wf, show);
539
540         if (show)
541                 y += layout_pair(screen, y, screen->widgets.iface_l, wf) + 1;
542
543         /* conditionally show static IP params */
544         show = screen->net_conf_type == NET_CONF_TYPE_STATIC;
545
546         wl = widget_label_base(screen->widgets.ip_addr_l);
547         wf = widget_textbox_base(screen->widgets.ip_addr_f);
548         widget_set_visible(wl, show);
549         widget_set_visible(wf, show);
550         x = screen->field_x + widget_width(wf) + 1;
551
552         if (show)
553                 layout_pair(screen, y, screen->widgets.ip_addr_l, wf);
554
555         wl = widget_label_base(screen->widgets.ip_mask_l);
556         wf = widget_textbox_base(screen->widgets.ip_mask_f);
557         widget_set_visible(wl, show);
558         widget_set_visible(wf, show);
559
560         if (show) {
561                 widget_move(wl, y, x);
562                 widget_move(wf, y, x + 2);
563         }
564
565         /* help for IP/mask */
566         wh = widget_label_base(screen->widgets.ip_addr_mask_help_l);
567         widget_set_visible(wh, show);
568         if (show) {
569                 widget_move(wh, y, help_x);
570                 y++;
571         }
572
573         wl = widget_label_base(screen->widgets.gateway_l);
574         wf = widget_textbox_base(screen->widgets.gateway_f);
575         wh = widget_label_base(screen->widgets.gateway_help_l);
576         widget_set_visible(wl, show);
577         widget_set_visible(wf, show);
578         widget_set_visible(wh, show);
579
580         if (show) {
581                 layout_pair(screen, y, screen->widgets.gateway_l, wf);
582                 widget_move(wh, y, help_x);
583                 y++;
584         }
585
586         wl = widget_label_base(screen->widgets.url_l);
587         wf = widget_textbox_base(screen->widgets.url_f);
588         wh = widget_label_base(screen->widgets.url_help_l);
589         widget_set_visible(wl, show);
590         widget_set_visible(wf, show);
591         widget_set_visible(wh, show);
592
593         if (show) {
594                 layout_pair(screen, y, screen->widgets.url_l, wf);
595                 widget_move(wh, y, help_x);
596                 y++;
597         }
598
599         wh = widget_label_base(screen->widgets.dns_help_l);
600         layout_pair(screen, y, screen->widgets.dns_l,
601                         widget_textbox_base(screen->widgets.dns_f));
602         widget_move(wh, y, help_x);
603         y++;
604
605         /* we show the DNS/DHCP help if we're configuring DHCP */
606         show = screen->net_conf_type != NET_CONF_TYPE_STATIC;
607         wl = widget_label_base(screen->widgets.dns_dhcp_help_l);
608         widget_set_visible(wl, show);
609         if (show) {
610                 widget_move(wl, y, screen->field_x);
611                 y += 1;
612         }
613
614         wf = widget_textbox_base(screen->widgets.http_proxy_f);
615         layout_pair(screen, y, screen->widgets.http_proxy_l, wf);
616         y++;
617         wf = widget_textbox_base(screen->widgets.https_proxy_f);
618         layout_pair(screen, y, screen->widgets.https_proxy_l, wf);
619         y++;
620
621         y += 1;
622
623         layout_pair(screen, y, screen->widgets.allow_write_l,
624                     widget_select_base(screen->widgets.allow_write_f));
625         y += widget_height(widget_select_base(screen->widgets.allow_write_f));
626
627         y += 1;
628
629         if (screen->widgets.manual_console_l) {
630                 layout_pair(screen, y++, screen->widgets.boot_console_l,
631                         widget_label_base(screen->widgets.manual_console_l));
632                 widget_move(widget_label_base(screen->widgets.current_console_l),
633                         y, screen->field_x);
634                 widget_set_visible(widget_select_base(
635                         screen->widgets.boot_console_f), false);
636                 y += 2;
637         } else if (widget_height(widget_select_base(screen->widgets.boot_console_f))) {
638                 layout_pair(screen, y, screen->widgets.boot_console_l,
639                             widget_select_base(screen->widgets.boot_console_f));
640                 y += widget_height(widget_select_base(screen->widgets.boot_console_f));
641                 widget_move(widget_label_base(screen->widgets.current_console_l),
642                         y, screen->field_x);
643                 y += 2;
644         } else {
645                 widget_set_visible(widget_label_base(
646                                         screen->widgets.boot_console_l), false);
647                 widget_set_visible(widget_select_base(
648                                         screen->widgets.boot_console_f), false);
649                 widget_set_visible(widget_label_base(
650                                         screen->widgets.current_console_l), false);
651         }
652
653         if (screen->net_override) {
654                 widget_move(widget_label_base(screen->widgets.net_override_l),
655                                 y, screen->label_x);
656                 widget_set_visible(widget_label_base(screen->widgets.net_override_l),
657                                         true);
658                 y += 1;
659         }
660
661         if (screen->cui->config->safe_mode) {
662                 widget_move(widget_label_base(screen->widgets.safe_mode),
663                         y, screen->label_x);
664                 widget_set_visible(widget_label_base(screen->widgets.safe_mode),
665                                         true);
666                 y += 1;
667         }
668
669         widget_move(widget_button_base(screen->widgets.ok_b),
670                         y, screen->field_x);
671         widget_move(widget_button_base(screen->widgets.help_b),
672                         y, screen->field_x + 14);
673         widget_move(widget_button_base(screen->widgets.cancel_b),
674                         y, screen->field_x + 28);
675 }
676
677 static void config_screen_network_change(void *arg, int value)
678 {
679         struct config_screen *screen = arg;
680         screen->net_conf_type = value;
681         widgetset_unpost(screen->widgetset);
682         config_screen_layout_widgets(screen);
683         widgetset_post(screen->widgetset);
684 }
685
686 static void config_screen_boot_order_change(void *arg, int value)
687 {
688         (void)value;
689         struct config_screen *screen = arg;
690         widgetset_unpost(screen->widgetset);
691         config_screen_layout_widgets(screen);
692         widgetset_post(screen->widgetset);
693 }
694
695 static void config_screen_autoboot_change(void *arg, int value)
696 {
697         struct config_screen *screen = arg;
698         screen->autoboot_enabled = !!value;
699         widgetset_unpost(screen->widgetset);
700         config_screen_layout_widgets(screen);
701         widgetset_post(screen->widgetset);
702 }
703
704 static void config_screen_add_device(void *arg)
705 {
706         struct config_screen *screen = arg;
707
708         screen->show_subset = true;
709         cui_show_subset(screen->cui, _("Select a boot device to add"),
710                         screen->widgets.boot_order_f);
711 }
712
713 static void config_screen_autoboot_none(void *arg)
714 {
715         struct config_screen *screen = arg;
716         struct nc_widget_subset *subset = screen->widgets.boot_order_f;
717
718         widget_subset_clear_active(subset);
719
720         widgetset_unpost(screen->widgetset);
721         config_screen_layout_widgets(screen);
722         widgetset_post(screen->widgetset);
723 }
724
725 static void config_screen_autoboot_any(void *arg)
726 {
727         struct config_screen *screen = arg;
728         const struct system_info *sysinfo = screen->cui->sysinfo;
729         struct nc_widget_subset *subset = screen->widgets.boot_order_f;
730         int idx;
731
732         widget_subset_clear_active(subset);
733
734         idx = sysinfo->n_blockdevs + sysinfo->n_interfaces + DEVICE_TYPE_ANY;
735
736         widget_subset_make_active(screen->widgets.boot_order_f, idx);
737
738         screen->autoboot_enabled = true;
739
740         widgetset_unpost(screen->widgetset);
741         config_screen_layout_widgets(screen);
742         widgetset_post(screen->widgetset);
743 }
744
745 static void config_screen_update_subset(void *arg,
746                         struct nc_widget_subset *subset, int idx)
747 {
748         struct config_screen *screen = arg;
749
750         if (idx >= 0)
751                 widget_subset_make_active(subset, idx);
752         if (!screen->autoboot_enabled)
753                 screen->autoboot_enabled = true;
754         config_screen_layout_widgets(screen);
755 }
756
757 static struct interface_config *first_active_interface(
758                 const struct config *config)
759 {
760         unsigned int i;
761
762         for (i = 0; i < config->network.n_interfaces; i++) {
763                 if (config->network.interfaces[i]->ignore)
764                         continue;
765                 return config->network.interfaces[i];
766         }
767         return NULL;
768 }
769
770 static enum net_conf_type find_net_conf_type(const struct config *config)
771 {
772         struct interface_config *ifcfg;
773
774         ifcfg = first_active_interface(config);
775
776         if (!ifcfg)
777                 return NET_CONF_TYPE_DHCP_ALL;
778
779         else if (ifcfg->method == CONFIG_METHOD_DHCP)
780                 return NET_CONF_TYPE_DHCP_ONE;
781
782         else if (ifcfg->method == CONFIG_METHOD_STATIC)
783                 return NET_CONF_TYPE_STATIC;
784
785         assert(0);
786         return NET_CONF_TYPE_DHCP_ALL;
787 }
788
789 static void config_screen_setup_empty(struct config_screen *screen)
790 {
791         widget_new_label(screen->widgetset, 2, screen->field_x,
792                         _("Waiting for configuration data..."));
793         screen->widgets.cancel_b = widget_new_button(screen->widgetset,
794                         4, screen->field_x, 9, _("Cancel"),
795                         cancel_click, screen);
796 }
797
798 static int find_autoboot_idx(const struct system_info *sysinfo,
799                 struct autoboot_option *opt)
800 {
801         unsigned int i;
802
803         if (opt->boot_type == BOOT_DEVICE_TYPE)
804                 return sysinfo->n_blockdevs + sysinfo->n_interfaces + opt->type;
805
806         for (i = 0; i < sysinfo->n_blockdevs; i++) {
807                 if (!strcmp(sysinfo->blockdevs[i]->uuid, opt->uuid))
808                         return i;
809         }
810
811         for (i = 0; i < sysinfo->n_interfaces; i++) {
812                 struct interface_info *info = sysinfo->interfaces[i];
813                 char mac[20];
814
815                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
816
817                 if (!strcmp(mac, opt->uuid))
818                         return sysinfo->n_blockdevs + i;
819         }
820
821         return -1;
822 }
823
824 static void config_screen_setup_widgets(struct config_screen *screen,
825                 const struct config *config,
826                 const struct system_info *sysinfo)
827 {
828         struct nc_widgetset *set = screen->widgetset;
829         struct interface_config *ifcfg;
830         char *str, *ip, *mask, *gw, *url, *tty, *label;
831         enum net_conf_type type;
832         unsigned int i;
833         int add_len, clear_len, any_len, min_len = 20;
834         bool found;
835
836         build_assert(sizeof(screen->widgets) / sizeof(struct widget *)
837                         == N_FIELDS);
838
839         type = screen->net_conf_type;
840         ifcfg = first_active_interface(config);
841
842         screen->autoboot_enabled = config->autoboot_enabled;
843
844         screen->widgets.autoboot_l = widget_new_label(set, 0, 0,
845                                         _("Autoboot:"));
846         screen->widgets.autoboot_f = widget_new_select(set, 0, 0,
847                                         COLS - screen->field_x - 1);
848
849         widget_select_add_option(screen->widgets.autoboot_f, 0, _("Disabled"),
850                                  !screen->autoboot_enabled);
851         widget_select_add_option(screen->widgets.autoboot_f, 1, _("Enabled"),
852                                  screen->autoboot_enabled);
853
854         widget_select_on_change(screen->widgets.autoboot_f,
855                         config_screen_autoboot_change, screen);
856
857         add_len = max(min_len, strncols(_("Add Device")));
858         clear_len = max(min_len, strncols(_("Clear")));
859         any_len = max(min_len, strncols(_("Clear & Boot Any")));
860
861         screen->widgets.boot_add_b = widget_new_button(set, 0, 0, add_len,
862                                         _("Add Device"),
863                                         config_screen_add_device, screen);
864
865         screen->widgets.boot_none_b = widget_new_button(set, 0, 0, clear_len,
866                                         _("Clear"),
867                                         config_screen_autoboot_none, screen);
868
869         screen->widgets.boot_any_b = widget_new_button(set, 0, 0, any_len,
870                                         _("Clear & Boot Any"),
871                                         config_screen_autoboot_any, screen);
872
873         screen->widgets.boot_order_l = widget_new_label(set, 0, 0,
874                                         _("Boot Order:"));
875         screen->widgets.boot_order_f = widget_new_subset(set, 0, 0,
876                                         COLS - screen->field_x,
877                                         config_screen_update_subset);
878         screen->widgets.boot_empty_l = widget_new_label(set, 0, 0,
879                                         _("(None)"));
880
881         widget_subset_on_change(screen->widgets.boot_order_f,
882                         config_screen_boot_order_change, screen);
883
884         for (i = 0; i < sysinfo->n_blockdevs; i++) {
885                 struct blockdev_info *bd = sysinfo->blockdevs[i];
886
887                 label = talloc_asprintf(screen, _("disk: %s [uuid: %s]"),
888                                 bd->name, bd->uuid);
889
890                 widget_subset_add_option(screen->widgets.boot_order_f, label);
891         }
892
893         for (i = 0; i < sysinfo->n_interfaces; i++) {
894                 struct interface_info *info = sysinfo->interfaces[i];
895                 char mac[20];
896
897                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
898
899                 label = talloc_asprintf(screen, _("net:  %s [mac: %s]"),
900                                 info->name, mac);
901
902                 widget_subset_add_option(screen->widgets.boot_order_f, label);
903         }
904
905         for (i = DEVICE_TYPE_NETWORK; i < DEVICE_TYPE_UNKNOWN; i++) {
906
907                 if (i == DEVICE_TYPE_ANY)
908                         label = talloc_asprintf(screen, _("Any Device"));
909                 else
910                         label = talloc_asprintf(screen, _("Any %s device"),
911                                                 device_type_display_name(i));
912
913                 widget_subset_add_option(screen->widgets.boot_order_f, label);
914         }
915
916         for (i = 0; i < config->n_autoboot_opts; i++) {
917                 struct autoboot_option *opt = &config->autoboot_opts[i];
918                 int idx;
919
920                 idx = find_autoboot_idx(sysinfo, opt);
921
922                 if (idx >= 0) {
923                         widget_subset_make_active(screen->widgets.boot_order_f,
924                                                   idx);
925                 } else {
926                         if (opt->boot_type == BOOT_DEVICE_TYPE)
927                                 pb_log("%s: Unknown autoboot option: %d\n",
928                                        __func__, opt->type);
929                         else
930                                 pb_log("%s: Unknown autoboot UUID: %s\n",
931                                        __func__, opt->uuid);
932                 }
933         }
934
935
936         str = talloc_asprintf(screen, "%d", config->autoboot_timeout_sec);
937         screen->widgets.timeout_l = widget_new_label(set, 0, 0, _("Timeout:"));
938         screen->widgets.timeout_f = widget_new_textbox(set, 0, 0, 5, str);
939         screen->widgets.timeout_help_l = widget_new_label(set, 0, 0,
940                                         _("seconds"));
941
942         widget_textbox_set_fixed_size(screen->widgets.timeout_f);
943         widget_textbox_set_validator_integer(screen->widgets.timeout_f, 0, 999);
944
945         if (config->ipmi_bootdev) {
946                 label = talloc_asprintf(screen,
947                                 _("%s IPMI boot option: %s"),
948                                 config->ipmi_bootdev_persistent ?
949                                 _("Persistent") : _("Temporary"),
950                                 ipmi_bootdev_display_name(config->ipmi_bootdev));
951                 screen->widgets.ipmi_type_l = widget_new_label(set, 0, 0,
952                                                         label);
953                 screen->widgets.ipmi_clear_l = widget_new_label(set, 0, 0,
954                                                         _("Clear option:"));
955                 screen->widgets.ipmi_clear_b = widget_new_button(set, 0, 0,
956                                 strncols(_("Clear IPMI override now")) + 10,
957                                 _("Clear IPMI override now"),
958                                 ipmi_clear_click, screen);
959                 screen->ipmi_override = true;
960         }
961
962         screen->widgets.network_l = widget_new_label(set, 0, 0, _("Network:"));
963         screen->widgets.network_f = widget_new_select(set, 0, 0,
964                                                 COLS - screen->field_x - 1);
965
966         widget_select_add_option(screen->widgets.network_f,
967                                         NET_CONF_TYPE_DHCP_ALL,
968                                         _("DHCP on all active interfaces"),
969                                         type == NET_CONF_TYPE_DHCP_ALL);
970         widget_select_add_option(screen->widgets.network_f,
971                                         NET_CONF_TYPE_DHCP_ONE,
972                                         _("DHCP on a specific interface"),
973                                         type == NET_CONF_TYPE_DHCP_ONE);
974         widget_select_add_option(screen->widgets.network_f,
975                                         NET_CONF_TYPE_STATIC,
976                                         _("Static IP configuration"),
977                                         type == NET_CONF_TYPE_STATIC);
978
979         widget_select_on_change(screen->widgets.network_f,
980                         config_screen_network_change, screen);
981
982         screen->widgets.iface_l = widget_new_label(set, 0, 0, _("Device:"));
983         screen->widgets.iface_f = widget_new_select(set, 0, 0, 50);
984
985         for (i = 0; i < sysinfo->n_interfaces; i++) {
986                 struct interface_info *info = sysinfo->interfaces[i];
987                 char str[50], mac[20];
988                 bool is_default;
989
990                 is_default = ifcfg && !memcmp(ifcfg->hwaddr, info->hwaddr,
991                                         sizeof(ifcfg->hwaddr));
992
993                 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
994                 snprintf(str, sizeof(str), "%s [%s, %s]", info->name, mac,
995                                 info->link ? _("link up") : _("link down"));
996
997                 widget_select_add_option(screen->widgets.iface_f,
998                                                 i, str, is_default);
999         }
1000
1001         url = gw = ip = mask = NULL;
1002         if (ifcfg && ifcfg->method == CONFIG_METHOD_STATIC) {
1003                 char *sep;
1004
1005                 str = talloc_strdup(screen, ifcfg->static_config.address);
1006                 sep = strchr(str, '/');
1007                 ip = str;
1008
1009                 if (sep) {
1010                         *sep = '\0';
1011                         mask = sep + 1;
1012                 }
1013                 gw = ifcfg->static_config.gateway;
1014                 url = ifcfg->static_config.url;
1015         }
1016
1017         screen->net_override = ifcfg && ifcfg->override;
1018         if (screen->net_override) {
1019                 screen->widgets.net_override_l = widget_new_label(set, 0, 0,
1020                         _("Network Override Active! 'OK' will overwrite interface config"));
1021         }
1022
1023         screen->widgets.ip_addr_l = widget_new_label(set, 0, 0, _("IP/mask:"));
1024         screen->widgets.ip_addr_f = widget_new_textbox(set, 0, 0, 16, ip);
1025         screen->widgets.ip_mask_l = widget_new_label(set, 0, 0, "/");
1026         screen->widgets.ip_mask_f = widget_new_textbox(set, 0, 0, 3, mask);
1027         screen->widgets.ip_addr_mask_help_l =
1028                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.10 / 24)"));
1029
1030         widget_textbox_set_fixed_size(screen->widgets.ip_addr_f);
1031         widget_textbox_set_fixed_size(screen->widgets.ip_mask_f);
1032         widget_textbox_set_validator_ipv4(screen->widgets.ip_addr_f);
1033         widget_textbox_set_validator_integer(screen->widgets.ip_mask_f, 1, 31);
1034
1035         screen->widgets.gateway_l = widget_new_label(set, 0, 0, _("Gateway:"));
1036         screen->widgets.gateway_f = widget_new_textbox(set, 0, 0, 16, gw);
1037         screen->widgets.gateway_help_l =
1038                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.1)"));
1039
1040         widget_textbox_set_fixed_size(screen->widgets.gateway_f);
1041         widget_textbox_set_validator_ipv4(screen->widgets.gateway_f);
1042
1043         screen->widgets.url_l = widget_new_label(set, 0, 0, _("URL:"));
1044         screen->widgets.url_f = widget_new_textbox(set, 0, 0, 32, url);
1045         screen->widgets.url_help_l =
1046                 widget_new_label(set, 0, 0, _("(eg. tftp://)"));
1047
1048         str = talloc_strdup(screen, "");
1049         for (i = 0; i < config->network.n_dns_servers; i++) {
1050                 str = talloc_asprintf_append(str, "%s%s",
1051                                 (i == 0) ? "" : " ",
1052                                 config->network.dns_servers[i]);
1053         }
1054
1055         screen->widgets.dns_l = widget_new_label(set, 0, 0,
1056                                         _("DNS Server(s):"));
1057         screen->widgets.dns_f = widget_new_textbox(set, 0, 0, 32, str);
1058         screen->widgets.dns_help_l =
1059                 widget_new_label(set, 0, 0, _("(eg. 192.168.0.2)"));
1060
1061         widget_textbox_set_validator_ipv4_multi(screen->widgets.dns_f);
1062
1063         screen->widgets.dns_dhcp_help_l = widget_new_label(set, 0, 0,
1064                         _("(if not provided by DHCP server)"));
1065
1066         screen->widgets.http_proxy_l = widget_new_label(set, 0, 0,
1067                                         _("HTTP Proxy:"));
1068         screen->widgets.http_proxy_f = widget_new_textbox(set, 0, 0, 32,
1069                                                 config->http_proxy);
1070         screen->widgets.https_proxy_l = widget_new_label(set, 0, 0,
1071                                         _("HTTPS Proxy:"));
1072         screen->widgets.https_proxy_f = widget_new_textbox(set, 0, 0, 32,
1073                                                 config->https_proxy);
1074
1075         if (config->safe_mode)
1076                 screen->widgets.safe_mode = widget_new_label(set, 0, 0,
1077                          _("Selecting 'OK' will exit safe mode"));
1078
1079         screen->widgets.allow_write_l = widget_new_label(set, 0, 0,
1080                         _("Disk R/W:"));
1081         screen->widgets.allow_write_f = widget_new_select(set, 0, 0,
1082                                                 COLS - screen->field_x - 1);
1083
1084         widget_select_add_option(screen->widgets.allow_write_f, 0,
1085                                 _("Prevent all writes to disk"),
1086                                 !config->allow_writes);
1087
1088         widget_select_add_option(screen->widgets.allow_write_f, 1,
1089                                 _("Allow bootloader scripts to modify disks"),
1090                                 config->allow_writes);
1091
1092         screen->widgets.boot_console_l = widget_new_label(set, 0, 0,
1093                         _("Boot console:"));
1094         screen->widgets.boot_console_f = widget_new_select(set, 0, 0,
1095                                                 COLS - screen->field_x - 1);
1096
1097         for (i = 0; i < config->n_consoles; i++){
1098                 found = config->boot_console &&
1099                         strncmp(config->boot_console, config->consoles[i],
1100                                 strlen(config->boot_console)) == 0;
1101                 widget_select_add_option(screen->widgets.boot_console_f, i,
1102                                         config->consoles[i], found);
1103         }
1104
1105         if (config->manual_console) {
1106                 label = talloc_asprintf(screen, _("Manually set: '%s'"),
1107                                         config->boot_console);
1108                 screen->widgets.manual_console_l = widget_new_label(set, 0, 0, label);
1109         }
1110
1111         tty = talloc_asprintf(screen, _("Current interface: %s"),
1112                                 ttyname(STDIN_FILENO));
1113         screen->widgets.current_console_l = widget_new_label(set, 0 , 0, tty);
1114
1115         screen->widgets.ok_b = widget_new_button(set, 0, 0, 10, _("OK"),
1116                         ok_click, screen);
1117         screen->widgets.help_b = widget_new_button(set, 0, 0, 10, _("Help"),
1118                         help_click, screen);
1119         screen->widgets.cancel_b = widget_new_button(set, 0, 0, 10, _("Cancel"),
1120                         cancel_click, screen);
1121 }
1122
1123 static void config_screen_widget_focus(struct nc_widget *widget, void *arg)
1124 {
1125         struct config_screen *screen = arg;
1126         int w_y, w_height, w_focus, s_max, adjust;
1127
1128         w_height = widget_height(widget);
1129         w_focus = widget_focus_y(widget);
1130         w_y = widget_y(widget) + w_focus;
1131         s_max = getmaxy(screen->scr.sub_ncw) - 1;
1132
1133         if (w_y < screen->scroll_y)
1134                 screen->scroll_y = w_y;
1135
1136         else if (w_y + screen->scroll_y + 1 > s_max) {
1137                 /* Fit as much of the widget into the screen as possible */
1138                 adjust = min(s_max - 1, w_height - w_focus);
1139                 if (w_y + adjust >= screen->scroll_y + s_max)
1140                         screen->scroll_y = max(0, 1 + w_y + adjust - s_max);
1141         } else
1142                 return;
1143
1144         pad_refresh(screen);
1145 }
1146
1147 static void config_screen_draw(struct config_screen *screen,
1148                 const struct config *config,
1149                 const struct system_info *sysinfo)
1150 {
1151         bool repost = false;
1152         int height;
1153
1154         /* The size of the pad we'll need depends on the number of interfaces.
1155          *
1156          * We use N_FIELDS (which is quite conservative, as some fields share
1157          * a line) as a base, then:
1158          * - add 6 (as the network select & boot device select fields take 3
1159          *   lines each),
1160          * - add n_interfaces for every field in the network select field, and
1161          * - add (n_blockdevs + n_interfaces) for every field in the boot device
1162          *   select field
1163          */
1164         height = N_FIELDS + 6;
1165         if (sysinfo) {
1166                 height += sysinfo->n_interfaces;
1167                 height += (sysinfo->n_blockdevs + sysinfo->n_interfaces);
1168         }
1169         if (!screen->pad || getmaxy(screen->pad) < height) {
1170                 if (screen->pad)
1171                         delwin(screen->pad);
1172                 screen->pad = newpad(height, COLS + 10);
1173         }
1174
1175         if (screen->widgetset) {
1176                 widgetset_unpost(screen->widgetset);
1177                 talloc_free(screen->widgetset);
1178                 repost = true;
1179         }
1180
1181         screen->widgetset = widgetset_create(screen, screen->scr.main_ncw,
1182                         screen->pad);
1183         widgetset_set_widget_focus(screen->widgetset,
1184                         config_screen_widget_focus, screen);
1185
1186         if (!config || !sysinfo) {
1187                 config_screen_setup_empty(screen);
1188         } else {
1189                 screen->net_conf_type = find_net_conf_type(config);
1190                 config_screen_setup_widgets(screen, config, sysinfo);
1191                 config_screen_layout_widgets(screen);
1192         }
1193
1194         if (repost)
1195                 widgetset_post(screen->widgetset);
1196 }
1197
1198 void config_screen_update(struct config_screen *screen,
1199                 const struct config *config,
1200                 const struct system_info *sysinfo)
1201 {
1202         if (screen->cui->current != config_screen_scr(screen)) {
1203                 screen->need_update = true;
1204                 return;
1205         }
1206
1207         config_screen_draw(screen, config, sysinfo);
1208         pad_refresh(screen);
1209 }
1210
1211 static int config_screen_post(struct nc_scr *scr)
1212 {
1213         struct config_screen *screen = config_screen_from_scr(scr);
1214         screen->show_subset = false;
1215
1216         if (screen->need_update) {
1217                 config_screen_draw(screen, screen->cui->config,
1218                                    screen->cui->sysinfo);
1219                 screen->need_update = false;
1220         } else {
1221                 widgetset_post(screen->widgetset);
1222         }
1223
1224         nc_scr_frame_draw(scr);
1225         if (screen->need_redraw) {
1226                 redrawwin(scr->main_ncw);
1227                 screen->need_redraw = false;
1228         }
1229         wrefresh(screen->scr.main_ncw);
1230         pad_refresh(screen);
1231         return 0;
1232 }
1233
1234 static int config_screen_destroy(void *arg)
1235 {
1236         struct config_screen *screen = arg;
1237         if (screen->pad)
1238                 delwin(screen->pad);
1239         return 0;
1240 }
1241
1242 struct config_screen *config_screen_init(struct cui *cui,
1243                 const struct config *config,
1244                 const struct system_info *sysinfo,
1245                 void (*on_exit)(struct cui *))
1246 {
1247         struct config_screen *screen;
1248
1249         screen = talloc_zero(cui, struct config_screen);
1250         talloc_set_destructor(screen, config_screen_destroy);
1251         nc_scr_init(&screen->scr, pb_config_screen_sig, 0,
1252                         cui, config_screen_process_key,
1253                         config_screen_post, config_screen_unpost,
1254                         config_screen_resize);
1255
1256         screen->cui = cui;
1257         screen->on_exit = on_exit;
1258         screen->need_redraw = false;
1259         screen->need_update = false;
1260         screen->label_x = 2;
1261         screen->field_x = 17;
1262
1263         screen->ipmi_override = false;
1264         screen->show_subset = false;
1265
1266         screen->scr.frame.ltitle = talloc_strdup(screen,
1267                         _("Petitboot System Configuration"));
1268         screen->scr.frame.rtitle = NULL;
1269         screen->scr.frame.help = talloc_strdup(screen,
1270                         _("tab=next, shift+tab=previous, x=exit, h=help"));
1271         nc_scr_frame_draw(&screen->scr);
1272
1273         scrollok(screen->scr.sub_ncw, true);
1274
1275         config_screen_draw(screen, config, sysinfo);
1276
1277         return screen;
1278 }