2 * Copyright (C) 2013 IBM Corporation
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.
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.
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
18 #if defined(HAVE_CONFIG_H)
26 #include <pb-config/pb-config.h>
27 #include <talloc/talloc.h>
28 #include <types/types.h>
32 #include "nc-config.h"
33 #include "nc-widgets.h"
37 extern const char *config_help_text;
40 NET_CONF_TYPE_DHCP_ALL,
41 NET_CONF_TYPE_DHCP_ONE,
45 struct config_screen {
48 struct nc_widgetset *widgetset;
53 void (*on_exit)(struct cui *);
61 enum net_conf_type net_conf_type;
64 struct nc_widget_checkbox *autoboot_f;
65 struct nc_widget_label *autoboot_l;
66 struct nc_widget_textbox *timeout_f;
67 struct nc_widget_label *timeout_l;
68 struct nc_widget_label *timeout_help_l;
70 struct nc_widget_label *network_l;
71 struct nc_widget_select *network_f;
73 struct nc_widget_label *iface_l;
74 struct nc_widget_select *iface_f;
75 struct nc_widget_label *ip_addr_l;
76 struct nc_widget_textbox *ip_addr_f;
77 struct nc_widget_label *ip_mask_l;
78 struct nc_widget_textbox *ip_mask_f;
79 struct nc_widget_label *ip_addr_mask_help_l;
80 struct nc_widget_label *gateway_l;
81 struct nc_widget_textbox *gateway_f;
82 struct nc_widget_label *gateway_help_l;
83 struct nc_widget_label *dns_l;
84 struct nc_widget_textbox *dns_f;
85 struct nc_widget_label *dns_dhcp_help_l;
86 struct nc_widget_label *dns_help_l;
88 struct nc_widget_button *ok_b;
89 struct nc_widget_button *help_b;
90 struct nc_widget_button *cancel_b;
94 static struct config_screen *config_screen_from_scr(struct nc_scr *scr)
96 struct config_screen *config_screen;
98 assert(scr->sig == pb_config_screen_sig);
99 config_screen = (struct config_screen *)
100 ((char *)scr - (size_t)&((struct config_screen *)0)->scr);
101 assert(config_screen->scr.sig == pb_config_screen_sig);
102 return config_screen;
105 static void pad_refresh(struct config_screen *screen)
107 int y, x, rows, cols;
109 getmaxyx(screen->scr.sub_ncw, rows, cols);
110 getbegyx(screen->scr.sub_ncw, y, x);
112 prefresh(screen->pad, screen->scroll_y, 0, y, x, rows, cols);
115 static void config_screen_process_key(struct nc_scr *scr, int key)
117 struct config_screen *screen = config_screen_from_scr(scr);
120 handled = widgetset_process_key(screen->widgetset, key);
122 screen->on_exit(screen->cui);
124 } else if (screen->show_help || (!handled && key == 'h')) {
125 screen->show_help = false;
126 cui_show_help(screen->cui, "System Configuration",
129 } else if (handled) {
134 static void config_screen_resize(struct nc_scr *scr)
136 struct config_screen *screen = config_screen_from_scr(scr);
140 static int config_screen_post(struct nc_scr *scr)
142 struct config_screen *screen = config_screen_from_scr(scr);
143 widgetset_post(screen->widgetset);
144 nc_scr_frame_draw(scr);
145 redrawwin(scr->main_ncw);
146 wrefresh(screen->scr.main_ncw);
151 static int config_screen_unpost(struct nc_scr *scr)
153 struct config_screen *screen = config_screen_from_scr(scr);
154 widgetset_unpost(screen->widgetset);
158 struct nc_scr *config_screen_scr(struct config_screen *screen)
163 static int screen_process_form(struct config_screen *screen)
165 const struct system_info *sysinfo = screen->cui->sysinfo;
166 enum net_conf_type net_conf_type;
167 struct interface_config *iface;
168 struct config *config;
172 config = config_copy(screen, screen->cui->config);
174 config->autoboot_enabled =
175 widget_checkbox_get_value(screen->widgets.autoboot_f);
178 str = widget_textbox_get_value(screen->widgets.timeout_f);
182 x = strtoul(str, &end, 10);
183 if (!errno && end != str)
184 config->autoboot_timeout_sec = x;
187 net_conf_type = widget_select_get_value(screen->widgets.network_f);
189 /* if we don't have any network interfaces, prevent per-interface
191 if (sysinfo->n_interfaces == 0)
192 net_conf_type = NET_CONF_TYPE_DHCP_ALL;
194 if (net_conf_type == NET_CONF_TYPE_DHCP_ALL) {
195 config->network.n_interfaces = 0;
200 iface = talloc_zero(config, struct interface_config);
201 config->network.n_interfaces = 1;
202 config->network.interfaces = talloc_array(config,
203 struct interface_config *, 1);
204 config->network.interfaces[0] = iface;
206 /* copy hwaddr (from the sysinfo interface data) to
207 * the configuration */
208 idx = widget_select_get_value(screen->widgets.iface_f);
209 memcpy(iface->hwaddr, sysinfo->interfaces[idx]->hwaddr,
210 sizeof(iface->hwaddr));
213 if (net_conf_type == NET_CONF_TYPE_DHCP_ONE) {
214 iface->method = CONFIG_METHOD_DHCP;
217 if (net_conf_type == NET_CONF_TYPE_STATIC) {
218 char *ip, *mask, *gateway;
220 ip = widget_textbox_get_value(screen->widgets.ip_addr_f);
221 mask = widget_textbox_get_value(screen->widgets.ip_mask_f);
222 gateway = widget_textbox_get_value(screen->widgets.gateway_f);
224 if (!ip || !*ip || !mask || !*mask) {
225 screen->scr.frame.status =
226 "No IP / mask values are set";
227 nc_scr_frame_draw(&screen->scr);
232 iface->method = CONFIG_METHOD_STATIC;
233 iface->static_config.address = talloc_asprintf(iface, "%s/%s",
235 iface->static_config.gateway = talloc_strdup(iface, gateway);
238 str = widget_textbox_get_value(screen->widgets.dns_f);
239 if (str && strlen(str)) {
244 dns = strtok_r(str, " \t", &tmp);
249 i = config->network.n_dns_servers++;
250 config->network.dns_servers = talloc_realloc(config,
251 config->network.dns_servers,
253 config->network.n_dns_servers);
254 config->network.dns_servers[i] =
255 talloc_strdup(config, dns);
261 rc = cui_send_config(screen->cui, config);
265 pb_log("cui_send_config failed!\n");
267 pb_debug("config sent!\n");
272 static void ok_click(void *arg)
274 struct config_screen *screen = arg;
275 if (screen_process_form(screen))
276 /* errors are written to the status line, so we'll need
278 wrefresh(screen->scr.main_ncw);
283 static void help_click(void *arg)
285 struct config_screen *screen = arg;
286 screen->show_help = true;
289 static void cancel_click(void *arg)
291 struct config_screen *screen = arg;
295 static int layout_pair(struct config_screen *screen, int y,
296 struct nc_widget_label *label,
297 struct nc_widget *field)
299 struct nc_widget *label_w = widget_label_base(label);
300 widget_move(label_w, y, screen->label_x);
301 widget_move(field, y, screen->field_x);
302 return max(widget_height(label_w), widget_height(field));
305 static void config_screen_layout_widgets(struct config_screen *screen,
306 enum net_conf_type net_conf)
308 struct nc_widget *wl, *wf, *wh;
313 help_x = screen->field_x + 2 +
314 widget_width(widget_textbox_base(screen->widgets.dns_f));
316 y += layout_pair(screen, y, screen->widgets.autoboot_l,
317 widget_checkbox_base(screen->widgets.autoboot_f));
319 wf = widget_textbox_base(screen->widgets.timeout_f);
320 widget_move(widget_label_base(screen->widgets.timeout_l),
322 widget_move(wf, y, screen->field_x);
323 widget_move(widget_label_base(screen->widgets.timeout_help_l),
324 y, screen->field_x + widget_width(wf) + 1);
328 y += layout_pair(screen, y, screen->widgets.network_l,
329 widget_select_base(screen->widgets.network_f));
333 /* conditionally show iface select */
334 wl = widget_label_base(screen->widgets.iface_l);
335 wf = widget_select_base(screen->widgets.iface_f);
337 show = net_conf == NET_CONF_TYPE_DHCP_ONE ||
338 net_conf == NET_CONF_TYPE_STATIC;
340 widget_set_visible(wl, show);
341 widget_set_visible(wf, show);
344 y += layout_pair(screen, y, screen->widgets.iface_l, wf) + 1;
346 /* conditionally show static IP params */
347 show = net_conf == NET_CONF_TYPE_STATIC;
349 wl = widget_label_base(screen->widgets.ip_addr_l);
350 wf = widget_textbox_base(screen->widgets.ip_addr_f);
351 widget_set_visible(wl, show);
352 widget_set_visible(wf, show);
353 x = screen->field_x + widget_width(wf) + 1;
356 layout_pair(screen, y, screen->widgets.ip_addr_l, wf);
358 wl = widget_label_base(screen->widgets.ip_mask_l);
359 wf = widget_textbox_base(screen->widgets.ip_mask_f);
360 widget_set_visible(wl, show);
361 widget_set_visible(wf, show);
364 widget_move(wl, y, x);
365 widget_move(wf, y, x + 2);
368 /* help for IP/mask */
369 wh = widget_label_base(screen->widgets.ip_addr_mask_help_l);
370 widget_set_visible(wh, show);
372 widget_move(wh, y, help_x);
376 wl = widget_label_base(screen->widgets.gateway_l);
377 wf = widget_textbox_base(screen->widgets.gateway_f);
378 wh = widget_label_base(screen->widgets.gateway_help_l);
379 widget_set_visible(wl, show);
380 widget_set_visible(wf, show);
381 widget_set_visible(wh, show);
384 layout_pair(screen, y, screen->widgets.gateway_l, wf);
385 widget_move(wh, y, help_x);
389 wh = widget_label_base(screen->widgets.dns_help_l);
390 layout_pair(screen, y, screen->widgets.dns_l,
391 widget_textbox_base(screen->widgets.dns_f));
392 widget_move(wh, y, help_x);
395 /* we show the DNS/DHCP help if we're configuring DHCP */
396 show = net_conf != NET_CONF_TYPE_STATIC;
397 wl = widget_label_base(screen->widgets.dns_dhcp_help_l);
398 widget_set_visible(wl, show);
400 widget_move(wl, y, screen->field_x);
406 widget_move(widget_button_base(screen->widgets.ok_b),
408 widget_move(widget_button_base(screen->widgets.help_b),
409 y, screen->field_x + 10);
410 widget_move(widget_button_base(screen->widgets.cancel_b),
411 y, screen->field_x + 20);
414 static void config_screen_network_change(void *arg, int value)
416 struct config_screen *screen = arg;
417 screen->net_conf_type = value;
418 widgetset_unpost(screen->widgetset);
419 config_screen_layout_widgets(screen, value);
420 widgetset_post(screen->widgetset);
423 static struct interface_config *first_active_interface(
424 const struct config *config)
428 for (i = 0; i < config->network.n_interfaces; i++) {
429 if (config->network.interfaces[i]->ignore)
431 return config->network.interfaces[i];
436 static enum net_conf_type find_net_conf_type(const struct config *config)
438 struct interface_config *ifcfg;
440 ifcfg = first_active_interface(config);
443 return NET_CONF_TYPE_DHCP_ALL;
445 else if (ifcfg->method == CONFIG_METHOD_DHCP)
446 return NET_CONF_TYPE_DHCP_ONE;
448 else if (ifcfg->method == CONFIG_METHOD_STATIC)
449 return NET_CONF_TYPE_STATIC;
452 return NET_CONF_TYPE_DHCP_ALL;
455 static void config_screen_setup_empty(struct config_screen *screen)
457 widget_new_label(screen->widgetset, 2, screen->field_x,
458 "Waiting for configuration data...");
459 screen->widgets.cancel_b = widget_new_button(screen->widgetset,
460 4, screen->field_x, 6, "Cancel", cancel_click, screen);
464 static void config_screen_setup_widgets(struct config_screen *screen,
465 const struct config *config,
466 const struct system_info *sysinfo)
468 struct nc_widgetset *set = screen->widgetset;
469 struct interface_config *ifcfg;
470 char *str, *ip, *mask, *gw;
471 enum net_conf_type type;
474 build_assert(sizeof(screen->widgets) / sizeof(struct widget *)
477 type = screen->net_conf_type;
478 ifcfg = first_active_interface(config);
480 screen->widgets.autoboot_l = widget_new_label(set, 0, 0, "Autoboot:");
481 screen->widgets.autoboot_f = widget_new_checkbox(set, 0, 0,
482 config->autoboot_enabled);
484 str = talloc_asprintf(screen, "%d", config->autoboot_timeout_sec);
485 screen->widgets.timeout_l = widget_new_label(set, 0, 0, "Timeout:");
486 screen->widgets.timeout_f = widget_new_textbox(set, 0, 0, 5, str);
487 screen->widgets.timeout_help_l = widget_new_label(set, 0, 0, "seconds");
489 widget_textbox_set_validator_integer(screen->widgets.timeout_f, 0, 999);
491 screen->widgets.network_l = widget_new_label(set, 0, 0, "Network");
492 screen->widgets.network_f = widget_new_select(set, 0, 0, 50);
494 widget_select_add_option(screen->widgets.network_f,
495 NET_CONF_TYPE_DHCP_ALL,
496 "DHCP on all active interfaces",
497 type == NET_CONF_TYPE_DHCP_ALL);
498 widget_select_add_option(screen->widgets.network_f,
499 NET_CONF_TYPE_DHCP_ONE,
500 "DHCP on a specific interface",
501 type == NET_CONF_TYPE_DHCP_ONE);
502 widget_select_add_option(screen->widgets.network_f,
503 NET_CONF_TYPE_STATIC,
504 "Static IP configuration",
505 type == NET_CONF_TYPE_STATIC);
507 widget_select_on_change(screen->widgets.network_f,
508 config_screen_network_change, screen);
510 screen->widgets.iface_l = widget_new_label(set, 0, 0, "Device:");
511 screen->widgets.iface_f = widget_new_select(set, 0, 0, 50);
513 for (i = 0; i < sysinfo->n_interfaces; i++) {
514 struct interface_info *info = sysinfo->interfaces[i];
515 char str[50], mac[20];
518 is_default = ifcfg && !memcmp(ifcfg->hwaddr, info->hwaddr,
519 sizeof(ifcfg->hwaddr));
521 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
522 snprintf(str, sizeof(str), "%s [%s, %s]", info->name, mac,
523 info->link ? "link up" : "link down");
525 widget_select_add_option(screen->widgets.iface_f,
529 gw = ip = mask = NULL;
530 if (ifcfg && ifcfg->method == CONFIG_METHOD_STATIC) {
533 str = talloc_strdup(screen, ifcfg->static_config.address);
534 sep = strchr(str, '/');
541 gw = ifcfg->static_config.gateway;
544 screen->widgets.ip_addr_l = widget_new_label(set, 0, 0, "IP/mask:");
545 screen->widgets.ip_addr_f = widget_new_textbox(set, 0, 0, 16, ip);
546 screen->widgets.ip_mask_l = widget_new_label(set, 0, 0, "/");
547 screen->widgets.ip_mask_f = widget_new_textbox(set, 0, 0, 4, mask);
548 screen->widgets.ip_addr_mask_help_l =
549 widget_new_label(set, 0, 0, "(eg. 192.168.0.10 / 24)");
551 widget_textbox_set_validator_ipv4(screen->widgets.ip_addr_f);
552 widget_textbox_set_validator_integer(screen->widgets.ip_mask_f, 1, 31);
554 screen->widgets.gateway_l = widget_new_label(set, 0, 0, "Gateway:");
555 screen->widgets.gateway_f = widget_new_textbox(set, 0, 0, 16, gw);
556 screen->widgets.gateway_help_l =
557 widget_new_label(set, 0, 0, "(eg. 192.168.0.1)");
559 widget_textbox_set_validator_ipv4(screen->widgets.gateway_f);
561 str = talloc_strdup(screen, "");
562 for (i = 0; i < config->network.n_dns_servers; i++) {
563 str = talloc_asprintf_append(str, "%s%s",
565 config->network.dns_servers[i]);
568 screen->widgets.dns_l = widget_new_label(set, 0, 0, "DNS Server(s):");
569 screen->widgets.dns_f = widget_new_textbox(set, 0, 0, 32, str);
570 screen->widgets.dns_help_l =
571 widget_new_label(set, 0, 0, "(eg. 192.168.0.2)");
573 widget_textbox_set_validator_ipv4_multi(screen->widgets.dns_f);
575 screen->widgets.dns_dhcp_help_l = widget_new_label(set, 0, 0,
576 "(if not provided by DHCP server)");
578 screen->widgets.ok_b = widget_new_button(set, 0, 0, 6, "OK",
580 screen->widgets.help_b = widget_new_button(set, 0, 0, 6, "Help",
582 screen->widgets.cancel_b = widget_new_button(set, 0, 0, 6, "Cancel",
583 cancel_click, screen);
586 static void config_screen_widget_focus(struct nc_widget *widget, void *arg)
588 struct config_screen *screen = arg;
591 w_y = widget_y(widget) + widget_focus_y(widget);
592 s_max = getmaxy(screen->scr.sub_ncw) - 1;
594 if (w_y < screen->scroll_y)
595 screen->scroll_y = w_y;
597 else if (w_y + screen->scroll_y + 1 > s_max)
598 screen->scroll_y = 1 + w_y - s_max;
606 static void config_screen_draw(struct config_screen *screen,
607 const struct config *config,
608 const struct system_info *sysinfo)
613 /* The size of the pad we'll need depends on the number of interfaces.
615 * We use N_FIELDS (which is quite conservative, as some fields share
616 * a line) as a base, then add 3 (as the network select field is
617 * takes 3 lines), and n_interfaces (as the network interface field
618 * has n_interfaces lines).
620 height = N_FIELDS + 3;
622 height += sysinfo->n_interfaces;
623 if (!screen->pad || getmaxy(screen->pad) < height) {
626 screen->pad = newpad(height, COLS);
629 if (screen->widgetset) {
630 widgetset_unpost(screen->widgetset);
631 talloc_free(screen->widgetset);
635 screen->widgetset = widgetset_create(screen, screen->scr.main_ncw,
637 widgetset_set_widget_focus(screen->widgetset,
638 config_screen_widget_focus, screen);
640 if (!config || !sysinfo) {
641 config_screen_setup_empty(screen);
643 screen->net_conf_type = find_net_conf_type(config);
645 config_screen_setup_widgets(screen, config, sysinfo);
646 config_screen_layout_widgets(screen, screen->net_conf_type);
650 widgetset_post(screen->widgetset);
653 void config_screen_update(struct config_screen *screen,
654 const struct config *config,
655 const struct system_info *sysinfo)
657 config_screen_draw(screen, config, sysinfo);
661 static int config_screen_destroy(void *arg)
663 struct config_screen *screen = arg;
669 struct config_screen *config_screen_init(struct cui *cui,
670 const struct config *config,
671 const struct system_info *sysinfo,
672 void (*on_exit)(struct cui *))
674 struct config_screen *screen;
676 screen = talloc_zero(cui, struct config_screen);
677 talloc_set_destructor(screen, config_screen_destroy);
678 nc_scr_init(&screen->scr, pb_config_screen_sig, 0,
679 cui, config_screen_process_key,
680 config_screen_post, config_screen_unpost,
681 config_screen_resize);
684 screen->on_exit = on_exit;
686 screen->field_x = 17;
688 screen->scr.frame.ltitle = talloc_strdup(screen,
689 "Petitboot System Configuration");
690 screen->scr.frame.rtitle = NULL;
691 screen->scr.frame.help = talloc_strdup(screen,
692 "tab=next, shift+tab=previous");
693 nc_scr_frame_draw(&screen->scr);
695 scrollok(screen->scr.sub_ncw, true);
697 config_screen_draw(screen, config, sysinfo);