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
24 #include <pb-config/pb-config.h>
25 #include <talloc/talloc.h>
26 #include <types/types.h>
31 #include "nc-config.h"
32 #include "nc-widgets.h"
37 NET_CONF_TYPE_DHCP_ALL,
38 NET_CONF_TYPE_DHCP_ONE,
42 struct config_screen {
45 struct nc_widgetset *widgetset;
49 void (*on_exit)(struct cui *);
57 enum net_conf_type net_conf_type;
60 struct nc_widget_checkbox *autoboot_f;
61 struct nc_widget_label *autoboot_l;
62 struct nc_widget_textbox *timeout_f;
63 struct nc_widget_label *timeout_l;
64 struct nc_widget_label *timeout_help_l;
66 struct nc_widget_label *network_l;
67 struct nc_widget_select *network_f;
69 struct nc_widget_label *iface_l;
70 struct nc_widget_select *iface_f;
71 struct nc_widget_label *ip_addr_l;
72 struct nc_widget_textbox *ip_addr_f;
73 struct nc_widget_label *ip_mask_l;
74 struct nc_widget_textbox *ip_mask_f;
75 struct nc_widget_label *ip_addr_mask_help_l;
76 struct nc_widget_label *gateway_l;
77 struct nc_widget_textbox *gateway_f;
78 struct nc_widget_label *gateway_help_l;
79 struct nc_widget_label *dns_l;
80 struct nc_widget_textbox *dns_f;
81 struct nc_widget_label *dns_dhcp_help_l;
82 struct nc_widget_label *dns_help_l;
84 struct nc_widget_button *ok_b;
85 struct nc_widget_button *cancel_b;
89 static struct config_screen *config_screen_from_scr(struct nc_scr *scr)
91 struct config_screen *config_screen;
93 assert(scr->sig == pb_config_screen_sig);
94 config_screen = (struct config_screen *)
95 ((char *)scr - (size_t)&((struct config_screen *)0)->scr);
96 assert(config_screen->scr.sig == pb_config_screen_sig);
100 static void pad_refresh(struct config_screen *screen)
102 int y, x, rows, cols;
104 getmaxyx(screen->scr.sub_ncw, rows, cols);
105 getbegyx(screen->scr.sub_ncw, y, x);
107 prefresh(screen->pad, screen->scroll_y, 0, y, x, rows, cols);
110 static void config_screen_process_key(struct nc_scr *scr, int key)
112 struct config_screen *screen = config_screen_from_scr(scr);
115 handled = widgetset_process_key(screen->widgetset, key);
117 screen->on_exit(screen->cui);
122 static void config_screen_resize(struct nc_scr *scr)
124 struct config_screen *screen = config_screen_from_scr(scr);
128 static int config_screen_post(struct nc_scr *scr)
130 struct config_screen *screen = config_screen_from_scr(scr);
131 widgetset_post(screen->widgetset);
132 nc_scr_frame_draw(scr);
137 static int config_screen_unpost(struct nc_scr *scr)
139 struct config_screen *screen = config_screen_from_scr(scr);
140 widgetset_unpost(screen->widgetset);
144 struct nc_scr *config_screen_scr(struct config_screen *screen)
149 static int screen_process_form(struct config_screen *screen)
151 const struct system_info *sysinfo = screen->cui->sysinfo;
152 struct config *config = talloc_zero(screen, struct config);
153 enum net_conf_type net_conf_type;
154 struct interface_config *iface;
158 config_set_defaults(config);
160 config->autoboot_enabled =
161 widget_checkbox_get_value(screen->widgets.autoboot_f);
164 str = widget_textbox_get_value(screen->widgets.timeout_f);
168 x = strtoul(str, &end, 10);
169 if (!errno && end != str)
170 config->autoboot_timeout_sec = x;
173 net_conf_type = widget_select_get_value(screen->widgets.network_f);
175 /* if we don't have any network interfaces, prevent per-interface
177 if (sysinfo->n_interfaces == 0)
178 net_conf_type = NET_CONF_TYPE_DHCP_ALL;
180 if (net_conf_type == NET_CONF_TYPE_DHCP_ALL) {
181 config->network.n_interfaces = 0;
186 iface = talloc_zero(config, struct interface_config);
187 config->network.n_interfaces = 1;
188 config->network.interfaces = talloc_array(config,
189 struct interface_config *, 1);
190 config->network.interfaces[0] = iface;
192 /* copy hwaddr (from the sysinfo interface data) to
193 * the configuration */
194 idx = widget_select_get_value(screen->widgets.iface_f);
195 memcpy(iface->hwaddr, sysinfo->interfaces[idx]->hwaddr,
196 sizeof(iface->hwaddr));
199 if (net_conf_type == NET_CONF_TYPE_DHCP_ONE) {
200 iface->method = CONFIG_METHOD_DHCP;
203 if (net_conf_type == NET_CONF_TYPE_STATIC) {
204 iface->method = CONFIG_METHOD_STATIC;
205 iface->static_config.address = talloc_asprintf(iface, "%s/%s",
206 widget_textbox_get_value(
207 screen->widgets.ip_addr_f),
208 widget_textbox_get_value(
209 screen->widgets.ip_mask_f));
210 iface->static_config.gateway = talloc_strdup(iface,
211 widget_textbox_get_value(
212 screen->widgets.gateway_f));
215 str = widget_textbox_get_value(screen->widgets.dns_f);
216 if (str && strlen(str)) {
221 dns = strtok_r(str, " \t", &tmp);
226 i = config->network.n_dns_servers++;
227 config->network.dns_servers = talloc_realloc(config,
228 config->network.dns_servers,
230 config->network.n_dns_servers);
231 config->network.dns_servers[i] =
232 talloc_strdup(config, dns);
238 rc = cui_send_config(screen->cui, config);
242 pb_log("cui_send_config failed!\n");
244 pb_debug("config sent!\n");
249 static void ok_click(void *arg)
251 struct config_screen *screen = arg;
252 screen_process_form(screen);
256 static void cancel_click(void *arg)
258 struct config_screen *screen = arg;
262 static int layout_pair(struct config_screen *screen, int y,
263 struct nc_widget_label *label,
264 struct nc_widget *field)
266 struct nc_widget *label_w = widget_label_base(label);
267 widget_move(label_w, y, screen->label_x);
268 widget_move(field, y, screen->field_x);
269 return max(widget_height(label_w), widget_height(field));
272 static void config_screen_layout_widgets(struct config_screen *screen,
273 enum net_conf_type net_conf)
275 struct nc_widget *wl, *wf, *wh;
280 help_x = screen->field_x + 2 +
281 widget_width(widget_textbox_base(screen->widgets.dns_f));
283 y += layout_pair(screen, y, screen->widgets.autoboot_l,
284 widget_checkbox_base(screen->widgets.autoboot_f));
286 wf = widget_textbox_base(screen->widgets.timeout_f);
287 widget_move(widget_label_base(screen->widgets.timeout_l),
289 widget_move(wf, y, screen->field_x);
290 widget_move(widget_label_base(screen->widgets.timeout_help_l),
291 y, screen->field_x + widget_width(wf) + 1);
295 y += layout_pair(screen, y, screen->widgets.network_l,
296 widget_select_base(screen->widgets.network_f));
300 /* conditionally show iface select */
301 wl = widget_label_base(screen->widgets.iface_l);
302 wf = widget_select_base(screen->widgets.iface_f);
304 show = net_conf == NET_CONF_TYPE_DHCP_ONE ||
305 net_conf == NET_CONF_TYPE_STATIC;
307 widget_set_visible(wl, show);
308 widget_set_visible(wf, show);
311 y += layout_pair(screen, y, screen->widgets.iface_l, wf) + 1;
313 /* conditionally show static IP params */
314 show = net_conf == NET_CONF_TYPE_STATIC;
316 wl = widget_label_base(screen->widgets.ip_addr_l);
317 wf = widget_textbox_base(screen->widgets.ip_addr_f);
318 widget_set_visible(wl, show);
319 widget_set_visible(wf, show);
320 x = screen->field_x + widget_width(wf) + 1;
323 layout_pair(screen, y, screen->widgets.ip_addr_l, wf);
325 wl = widget_label_base(screen->widgets.ip_mask_l);
326 wf = widget_textbox_base(screen->widgets.ip_mask_f);
327 widget_set_visible(wl, show);
328 widget_set_visible(wf, show);
331 widget_move(wl, y, x);
332 widget_move(wf, y, x + 2);
335 /* help for IP/mask */
336 wh = widget_label_base(screen->widgets.ip_addr_mask_help_l);
337 widget_set_visible(wh, show);
339 widget_move(wh, y, help_x);
343 wl = widget_label_base(screen->widgets.gateway_l);
344 wf = widget_textbox_base(screen->widgets.gateway_f);
345 wh = widget_label_base(screen->widgets.gateway_help_l);
346 widget_set_visible(wl, show);
347 widget_set_visible(wf, show);
348 widget_set_visible(wh, show);
351 layout_pair(screen, y, screen->widgets.gateway_l, wf);
352 widget_move(wh, y, help_x);
356 wh = widget_label_base(screen->widgets.dns_help_l);
357 layout_pair(screen, y, screen->widgets.dns_l,
358 widget_textbox_base(screen->widgets.dns_f));
359 widget_move(wh, y, help_x);
362 /* we show the DNS/DHCP help if we're configuring DHCP */
363 show = net_conf != NET_CONF_TYPE_STATIC;
364 wl = widget_label_base(screen->widgets.dns_dhcp_help_l);
365 widget_set_visible(wl, show);
367 widget_move(wl, y, screen->field_x);
373 widget_move(widget_button_base(screen->widgets.ok_b),
375 widget_move(widget_button_base(screen->widgets.cancel_b),
376 y, screen->field_x + 10);
379 static void config_screen_network_change(void *arg, int value)
381 struct config_screen *screen = arg;
382 screen->net_conf_type = value;
383 widgetset_unpost(screen->widgetset);
384 config_screen_layout_widgets(screen, value);
385 widgetset_post(screen->widgetset);
388 static struct interface_config *first_active_interface(
389 const struct config *config)
393 for (i = 0; i < config->network.n_interfaces; i++) {
394 if (config->network.interfaces[i]->ignore)
396 return config->network.interfaces[i];
401 static enum net_conf_type find_net_conf_type(const struct config *config)
403 struct interface_config *ifcfg;
405 ifcfg = first_active_interface(config);
408 return NET_CONF_TYPE_DHCP_ALL;
410 else if (ifcfg->method == CONFIG_METHOD_DHCP)
411 return NET_CONF_TYPE_DHCP_ONE;
413 else if (ifcfg->method == CONFIG_METHOD_STATIC)
414 return NET_CONF_TYPE_STATIC;
417 return NET_CONF_TYPE_DHCP_ALL;
420 static void config_screen_setup_empty(struct config_screen *screen)
422 widget_new_label(screen->widgetset, 2, screen->field_x,
423 "Waiting for configuration data...");
424 screen->widgets.cancel_b = widget_new_button(screen->widgetset,
425 4, screen->field_x, 6, "Cancel", cancel_click, screen);
429 static void config_screen_setup_widgets(struct config_screen *screen,
430 const struct config *config,
431 const struct system_info *sysinfo)
433 struct nc_widgetset *set = screen->widgetset;
434 struct interface_config *ifcfg;
435 char *str, *ip, *mask, *gw;
436 enum net_conf_type type;
439 build_assert(sizeof(screen->widgets) / sizeof(struct widget *)
442 type = screen->net_conf_type;
443 ifcfg = first_active_interface(config);
445 screen->widgets.autoboot_l = widget_new_label(set, 0, 0, "Autoboot:");
446 screen->widgets.autoboot_f = widget_new_checkbox(set, 0, 0,
447 config->autoboot_enabled);
449 str = talloc_asprintf(screen, "%d", config->autoboot_timeout_sec);
450 screen->widgets.timeout_l = widget_new_label(set, 0, 0, "Timeout:");
451 screen->widgets.timeout_f = widget_new_textbox(set, 0, 0, 5, str);
452 screen->widgets.timeout_help_l = widget_new_label(set, 0, 0, "seconds");
454 screen->widgets.network_l = widget_new_label(set, 0, 0, "Network");
455 screen->widgets.network_f = widget_new_select(set, 0, 0, 50);
457 widget_select_add_option(screen->widgets.network_f,
458 NET_CONF_TYPE_DHCP_ALL,
459 "DHCP on all active interfaces",
460 type == NET_CONF_TYPE_DHCP_ALL);
461 widget_select_add_option(screen->widgets.network_f,
462 NET_CONF_TYPE_DHCP_ONE,
463 "DHCP on a specific interface",
464 type == NET_CONF_TYPE_DHCP_ONE);
465 widget_select_add_option(screen->widgets.network_f,
466 NET_CONF_TYPE_STATIC,
467 "Static IP configuration",
468 type == NET_CONF_TYPE_STATIC);
470 widget_select_on_change(screen->widgets.network_f,
471 config_screen_network_change, screen);
473 screen->widgets.iface_l = widget_new_label(set, 0, 0, "Device:");
474 screen->widgets.iface_f = widget_new_select(set, 0, 0, 20);
476 for (i = 0; i < sysinfo->n_interfaces; i++) {
477 struct interface_info *info = sysinfo->interfaces[i];
480 is_default = ifcfg && !memcmp(ifcfg->hwaddr, info->hwaddr,
481 sizeof(ifcfg->hwaddr));
483 widget_select_add_option(screen->widgets.iface_f,
484 i, info->name, is_default);
487 gw = ip = mask = NULL;
488 if (ifcfg && ifcfg->method == CONFIG_METHOD_STATIC) {
491 str = talloc_strdup(screen, ifcfg->static_config.address);
492 sep = strchr(str, '/');
499 gw = ifcfg->static_config.gateway;
502 screen->widgets.ip_addr_l = widget_new_label(set, 0, 0, "IP/mask:");
503 screen->widgets.ip_addr_f = widget_new_textbox(set, 0, 0, 16, ip);
504 screen->widgets.ip_mask_l = widget_new_label(set, 0, 0, "/");
505 screen->widgets.ip_mask_f = widget_new_textbox(set, 0, 0, 3, mask);
506 screen->widgets.ip_addr_mask_help_l =
507 widget_new_label(set, 0, 0, "(eg. 192.168.0.10 / 24)");
509 screen->widgets.gateway_l = widget_new_label(set, 0, 0, "Gateway:");
510 screen->widgets.gateway_f = widget_new_textbox(set, 0, 0, 16, gw);
511 screen->widgets.gateway_help_l =
512 widget_new_label(set, 0, 0, "(eg. 192.168.0.1)");
514 str = talloc_strdup(screen, "");
515 for (i = 0; i < config->network.n_dns_servers; i++) {
516 str = talloc_asprintf_append(str, "%s%s",
518 config->network.dns_servers[i]);
521 screen->widgets.dns_l = widget_new_label(set, 0, 0, "DNS Server(s):");
522 screen->widgets.dns_f = widget_new_textbox(set, 0, 0, 32, str);
523 screen->widgets.dns_help_l =
524 widget_new_label(set, 0, 0, "(eg. 192.168.0.2)");
526 screen->widgets.dns_dhcp_help_l = widget_new_label(set, 0, 0,
527 "(if not provided by DHCP server)");
529 screen->widgets.ok_b = widget_new_button(set, 0, 0, 6, "OK",
531 screen->widgets.cancel_b = widget_new_button(set, 0, 0, 6, "Cancel",
532 cancel_click, screen);
535 static void config_screen_widget_focus(struct nc_widget *widget, void *arg)
537 struct config_screen *screen = arg;
540 w_y = widget_y(widget) + widget_focus_y(widget);
541 s_max = getmaxy(screen->scr.sub_ncw) - 1;
543 if (w_y < screen->scroll_y)
544 screen->scroll_y = w_y;
546 else if (w_y + screen->scroll_y + 1 > s_max)
547 screen->scroll_y = 1 + w_y - s_max;
556 void config_screen_update(struct config_screen *screen,
557 const struct config *config,
558 const struct system_info *sysinfo)
563 /* The size of the pad we'll need depends on the number of interfaces.
565 * We use N_FIELDS (which is quite conservative, as some fields share
566 * a line) as a base, then add 3 (as the network select field is
567 * takes 3 lines), and n_interfaces (as the network interface field
568 * has n_interfaces lines).
570 height = N_FIELDS + 3;
572 height += sysinfo->n_interfaces;
573 if (!screen->pad || getmaxy(screen->pad) < height) {
576 screen->pad = newpad(height, COLS);
579 if (screen->widgetset) {
580 widgetset_unpost(screen->widgetset);
581 talloc_free(screen->widgetset);
585 screen->widgetset = widgetset_create(screen, screen->scr.main_ncw,
587 widgetset_set_widget_focus(screen->widgetset,
588 config_screen_widget_focus, screen);
590 if (!config || !sysinfo) {
591 config_screen_setup_empty(screen);
593 screen->net_conf_type = find_net_conf_type(config);
595 config_screen_setup_widgets(screen, config, sysinfo);
596 config_screen_layout_widgets(screen, screen->net_conf_type);
600 widgetset_post(screen->widgetset);
605 static int config_screen_destroy(void *arg)
607 struct config_screen *screen = arg;
613 struct config_screen *config_screen_init(struct cui *cui,
614 const struct config *config,
615 const struct system_info *sysinfo,
616 void (*on_exit)(struct cui *))
618 struct config_screen *screen;
620 screen = talloc_zero(cui, struct config_screen);
621 talloc_set_destructor(screen, config_screen_destroy);
622 nc_scr_init(&screen->scr, pb_config_screen_sig, 0,
623 cui, config_screen_process_key,
624 config_screen_post, config_screen_unpost,
625 config_screen_resize);
628 screen->on_exit = on_exit;
630 screen->field_x = 17;
632 screen->scr.frame.ltitle = talloc_strdup(screen,
633 "Petitboot System Configuration");
634 screen->scr.frame.rtitle = NULL;
635 screen->scr.frame.help = talloc_strdup(screen,
636 "tab=next, shift+tab=previous");
637 nc_scr_frame_draw(&screen->scr);
639 scrollok(screen->scr.sub_ncw, true);
641 config_screen_update(screen, config, sysinfo);
643 wrefresh(screen->scr.main_ncw);