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;
65 struct nc_widget_label *network_l;
66 struct nc_widget_select *network_f;
68 struct nc_widget_label *iface_l;
69 struct nc_widget_select *iface_f;
70 struct nc_widget_label *ip_addr_l;
71 struct nc_widget_textbox *ip_addr_f;
72 struct nc_widget_label *ip_mask_l;
73 struct nc_widget_textbox *ip_mask_f;
74 struct nc_widget_label *gateway_l;
75 struct nc_widget_textbox *gateway_f;
76 struct nc_widget_label *dns_l;
77 struct nc_widget_textbox *dns_f;
78 struct nc_widget_label *dns_help_l;
80 struct nc_widget_button *ok_b;
81 struct nc_widget_button *cancel_b;
85 static struct config_screen *config_screen_from_scr(struct nc_scr *scr)
87 struct config_screen *config_screen;
89 assert(scr->sig == pb_config_screen_sig);
90 config_screen = (struct config_screen *)
91 ((char *)scr - (size_t)&((struct config_screen *)0)->scr);
92 assert(config_screen->scr.sig == pb_config_screen_sig);
96 static void pad_refresh(struct config_screen *screen)
100 getmaxyx(screen->scr.sub_ncw, rows, cols);
101 getbegyx(screen->scr.sub_ncw, y, x);
103 prefresh(screen->pad, screen->scroll_y, 0, y, x, rows, cols);
106 static void config_screen_process_key(struct nc_scr *scr, int key)
108 struct config_screen *screen = config_screen_from_scr(scr);
111 handled = widgetset_process_key(screen->widgetset, key);
113 screen->on_exit(screen->cui);
118 static void config_screen_resize(struct nc_scr *scr)
120 struct config_screen *screen = config_screen_from_scr(scr);
124 static int config_screen_post(struct nc_scr *scr)
126 struct config_screen *screen = config_screen_from_scr(scr);
127 widgetset_post(screen->widgetset);
128 nc_scr_frame_draw(scr);
133 static int config_screen_unpost(struct nc_scr *scr)
135 struct config_screen *screen = config_screen_from_scr(scr);
136 widgetset_unpost(screen->widgetset);
140 struct nc_scr *config_screen_scr(struct config_screen *screen)
145 static int screen_process_form(struct config_screen *screen)
147 const struct system_info *sysinfo = screen->cui->sysinfo;
148 struct config *config = talloc_zero(screen, struct config);
149 enum net_conf_type net_conf_type;
150 struct interface_config *iface;
154 config_set_defaults(config);
156 config->autoboot_enabled =
157 widget_checkbox_get_value(screen->widgets.autoboot_f);
160 str = widget_textbox_get_value(screen->widgets.timeout_f);
164 x = strtoul(str, &end, 10);
165 if (!errno && end != str)
166 config->autoboot_timeout_sec = x;
169 net_conf_type = widget_select_get_value(screen->widgets.network_f);
171 /* if we don't have any network interfaces, prevent per-interface
173 if (sysinfo->n_interfaces == 0)
174 net_conf_type = NET_CONF_TYPE_DHCP_ALL;
176 if (net_conf_type == NET_CONF_TYPE_DHCP_ALL) {
177 config->network.n_interfaces = 0;
182 iface = talloc_zero(config, struct interface_config);
183 config->network.n_interfaces = 1;
184 config->network.interfaces = talloc_array(config,
185 struct interface_config *, 1);
186 config->network.interfaces[0] = iface;
188 /* copy hwaddr (from the sysinfo interface data) to
189 * the configuration */
190 idx = widget_select_get_value(screen->widgets.iface_f);
191 memcpy(iface->hwaddr, sysinfo->interfaces[idx]->hwaddr,
192 sizeof(iface->hwaddr));
195 if (net_conf_type == NET_CONF_TYPE_DHCP_ONE) {
196 iface->method = CONFIG_METHOD_DHCP;
199 if (net_conf_type == NET_CONF_TYPE_STATIC) {
200 iface->method = CONFIG_METHOD_STATIC;
201 iface->static_config.address = talloc_asprintf(iface, "%s/%s",
202 widget_textbox_get_value(
203 screen->widgets.ip_addr_f),
204 widget_textbox_get_value(
205 screen->widgets.ip_mask_f));
206 iface->static_config.gateway = talloc_strdup(iface,
207 widget_textbox_get_value(
208 screen->widgets.gateway_f));
211 str = widget_textbox_get_value(screen->widgets.dns_f);
212 if (str && strlen(str)) {
217 dns = strtok_r(str, " \t", &tmp);
222 i = config->network.n_dns_servers++;
223 config->network.dns_servers = talloc_realloc(config,
224 config->network.dns_servers,
226 config->network.n_dns_servers);
227 config->network.dns_servers[i] =
228 talloc_strdup(config, dns);
234 rc = cui_send_config(screen->cui, config);
238 pb_log("cui_send_config failed!\n");
240 pb_debug("config sent!\n");
245 static void ok_click(void *arg)
247 struct config_screen *screen = arg;
248 screen_process_form(screen);
252 static void cancel_click(void *arg)
254 struct config_screen *screen = arg;
258 static int layout_pair(struct config_screen *screen, int y,
259 struct nc_widget_label *label,
260 struct nc_widget *field)
262 struct nc_widget *label_w = widget_label_base(label);
263 widget_move(label_w, y, screen->label_x);
264 widget_move(field, y, screen->field_x);
265 return max(widget_height(label_w), widget_height(field));
268 static void config_screen_layout_widgets(struct config_screen *screen,
269 enum net_conf_type net_conf)
271 struct nc_widget *wl, *wf;
277 y += layout_pair(screen, y, screen->widgets.autoboot_l,
278 widget_checkbox_base(screen->widgets.autoboot_f));
280 y += layout_pair(screen, y, screen->widgets.timeout_l,
281 widget_textbox_base(screen->widgets.timeout_f));
285 y += layout_pair(screen, y, screen->widgets.network_l,
286 widget_select_base(screen->widgets.network_f));
290 /* conditionally show iface select */
291 wl = widget_label_base(screen->widgets.iface_l);
292 wf = widget_select_base(screen->widgets.iface_f);
294 show = net_conf == NET_CONF_TYPE_DHCP_ONE ||
295 net_conf == NET_CONF_TYPE_STATIC;
297 widget_set_visible(wl, show);
298 widget_set_visible(wf, show);
301 y += layout_pair(screen, y, screen->widgets.iface_l, wf) + 1;
303 /* conditionally show static IP params */
304 show = net_conf == NET_CONF_TYPE_STATIC;
306 wl = widget_label_base(screen->widgets.ip_addr_l);
307 wf = widget_textbox_base(screen->widgets.ip_addr_f);
308 widget_set_visible(wl, show);
309 widget_set_visible(wf, show);
310 x = screen->field_x + widget_width(wf) + 1;
313 layout_pair(screen, y, screen->widgets.ip_addr_l, wf);
315 wl = widget_label_base(screen->widgets.ip_mask_l);
316 wf = widget_textbox_base(screen->widgets.ip_mask_f);
317 widget_set_visible(wl, show);
318 widget_set_visible(wf, show);
321 widget_move(wl, y, x);
322 widget_move(wf, y, x + 2);
326 wl = widget_label_base(screen->widgets.gateway_l);
327 wf = widget_textbox_base(screen->widgets.gateway_f);
328 widget_set_visible(wl, show);
329 widget_set_visible(wf, show);
332 y += layout_pair(screen, y, screen->widgets.gateway_l, wf) + 1;
334 y += layout_pair(screen, y, screen->widgets.dns_l,
335 widget_textbox_base(screen->widgets.dns_f));
337 /* we show the DNS/DHCP help if we're configuring DHCP */
338 show = net_conf != NET_CONF_TYPE_STATIC;
339 wl = widget_label_base(screen->widgets.dns_help_l);
340 widget_set_visible(wl, show);
342 widget_move(wl, y, screen->field_x);
348 widget_move(widget_button_base(screen->widgets.ok_b),
350 widget_move(widget_button_base(screen->widgets.cancel_b),
351 y, screen->field_x + 10);
354 static void config_screen_network_change(void *arg, int value)
356 struct config_screen *screen = arg;
357 screen->net_conf_type = value;
358 widgetset_unpost(screen->widgetset);
359 config_screen_layout_widgets(screen, value);
360 widgetset_post(screen->widgetset);
363 static struct interface_config *first_active_interface(
364 const struct config *config)
368 for (i = 0; i < config->network.n_interfaces; i++) {
369 if (config->network.interfaces[i]->ignore)
371 return config->network.interfaces[i];
376 static enum net_conf_type find_net_conf_type(const struct config *config)
378 struct interface_config *ifcfg;
380 ifcfg = first_active_interface(config);
383 return NET_CONF_TYPE_DHCP_ALL;
385 else if (ifcfg->method == CONFIG_METHOD_DHCP)
386 return NET_CONF_TYPE_DHCP_ONE;
388 else if (ifcfg->method == CONFIG_METHOD_STATIC)
389 return NET_CONF_TYPE_STATIC;
392 return NET_CONF_TYPE_DHCP_ALL;
395 static void config_screen_setup_empty(struct config_screen *screen)
397 widget_new_label(screen->widgetset, 2, screen->field_x,
398 "Waiting for configuration data...");
399 screen->widgets.cancel_b = widget_new_button(screen->widgetset,
400 4, screen->field_x, 6, "Cancel", cancel_click, screen);
404 static void config_screen_setup_widgets(struct config_screen *screen,
405 const struct config *config,
406 const struct system_info *sysinfo)
408 struct nc_widgetset *set = screen->widgetset;
409 struct interface_config *ifcfg;
410 char *str, *ip, *mask, *gw;
411 enum net_conf_type type;
414 build_assert(sizeof(screen->widgets) / sizeof(struct widget *)
417 type = screen->net_conf_type;
418 ifcfg = first_active_interface(config);
420 screen->widgets.autoboot_l = widget_new_label(set, 0, 0, "Autoboot:");
421 screen->widgets.autoboot_f = widget_new_checkbox(set, 0, 0,
422 config->autoboot_enabled);
424 str = talloc_asprintf(screen, "%d", config->autoboot_timeout_sec);
425 screen->widgets.timeout_l = widget_new_label(set, 0, 0, "Timeout:");
426 screen->widgets.timeout_f = widget_new_textbox(set, 0, 0, 5, str);
428 screen->widgets.network_l = widget_new_label(set, 0, 0, "Network");
429 screen->widgets.network_f = widget_new_select(set, 0, 0, 50);
431 widget_select_add_option(screen->widgets.network_f,
432 NET_CONF_TYPE_DHCP_ALL,
433 "DHCP on all active interfaces",
434 type == NET_CONF_TYPE_DHCP_ALL);
435 widget_select_add_option(screen->widgets.network_f,
436 NET_CONF_TYPE_DHCP_ONE,
437 "DHCP on a specific interface",
438 type == NET_CONF_TYPE_DHCP_ONE);
439 widget_select_add_option(screen->widgets.network_f,
440 NET_CONF_TYPE_STATIC,
441 "Static IP configuration",
442 type == NET_CONF_TYPE_STATIC);
444 widget_select_on_change(screen->widgets.network_f,
445 config_screen_network_change, screen);
447 screen->widgets.iface_l = widget_new_label(set, 0, 0, "Device:");
448 screen->widgets.iface_f = widget_new_select(set, 0, 0, 20);
450 for (i = 0; i < sysinfo->n_interfaces; i++) {
451 struct interface_info *info = sysinfo->interfaces[i];
454 is_default = ifcfg && !memcmp(ifcfg->hwaddr, info->hwaddr,
455 sizeof(ifcfg->hwaddr));
457 widget_select_add_option(screen->widgets.iface_f,
458 i, info->name, is_default);
461 gw = ip = mask = NULL;
462 if (ifcfg && ifcfg->method == CONFIG_METHOD_STATIC) {
465 str = talloc_strdup(screen, ifcfg->static_config.address);
466 sep = strchr(str, '/');
473 gw = ifcfg->static_config.gateway;
476 screen->widgets.ip_addr_l = widget_new_label(set, 0, 0, "IP/mask:");
477 screen->widgets.ip_addr_f = widget_new_textbox(set, 0, 0, 16, ip);
478 screen->widgets.ip_mask_l = widget_new_label(set, 0, 0, "/");
479 screen->widgets.ip_mask_f = widget_new_textbox(set, 0, 0, 3, mask);
481 screen->widgets.gateway_l = widget_new_label(set, 0, 0, "Gateway:");
482 screen->widgets.gateway_f = widget_new_textbox(set, 0, 0, 16, gw);
484 str = talloc_strdup(screen, "");
485 for (i = 0; i < config->network.n_dns_servers; i++) {
486 str = talloc_asprintf_append(str, "%s%s",
488 config->network.dns_servers[i]);
491 screen->widgets.dns_l = widget_new_label(set, 0, 0, "DNS Server(s):");
492 screen->widgets.dns_f = widget_new_textbox(set, 0, 0, 32, str);
494 screen->widgets.dns_help_l = widget_new_label(set, 0, 0,
495 "(if not provided by DHCP server)");
497 screen->widgets.ok_b = widget_new_button(set, 0, 0, 6, "OK",
499 screen->widgets.cancel_b = widget_new_button(set, 0, 0, 6, "Cancel",
500 cancel_click, screen);
503 static void config_screen_widget_focus(struct nc_widget *widget, void *arg)
505 struct config_screen *screen = arg;
506 int w_y, w_height, s_max;
508 w_y = widget_y(widget);
509 w_height = widget_height(widget);
510 s_max = getmaxy(screen->scr.sub_ncw);
512 if (w_y < screen->scroll_y)
513 screen->scroll_y = w_y;
515 else if (w_y + w_height + screen->scroll_y > s_max - 1)
516 screen->scroll_y = 1 + w_y + w_height - s_max;
525 void config_screen_update(struct config_screen *screen,
526 const struct config *config,
527 const struct system_info *sysinfo)
532 /* The size of the pad we'll need depends on the number of interfaces.
534 * We use N_FIELDS (which is quite conservative, as some fields share
535 * a line) as a base, then add 3 (as the network select field is
536 * takes 3 lines), and n_interfaces (as the network interface field
537 * has n_interfaces lines).
539 height = N_FIELDS + 3;
541 height += sysinfo->n_interfaces;
542 if (!screen->pad || getmaxx(screen->pad) < height) {
545 screen->pad = newpad(height, COLS);
548 if (screen->widgetset) {
549 widgetset_unpost(screen->widgetset);
550 talloc_free(screen->widgetset);
554 screen->widgetset = widgetset_create(screen, screen->scr.main_ncw,
556 widgetset_set_widget_focus(screen->widgetset,
557 config_screen_widget_focus, screen);
559 if (!config || !sysinfo) {
560 config_screen_setup_empty(screen);
562 screen->net_conf_type = find_net_conf_type(config);
564 config_screen_setup_widgets(screen, config, sysinfo);
565 config_screen_layout_widgets(screen, screen->net_conf_type);
569 widgetset_post(screen->widgetset);
574 static int config_screen_destroy(void *arg)
576 struct config_screen *screen = arg;
582 struct config_screen *config_screen_init(struct cui *cui,
583 const struct config *config,
584 const struct system_info *sysinfo,
585 void (*on_exit)(struct cui *))
587 struct config_screen *screen;
589 screen = talloc_zero(cui, struct config_screen);
590 talloc_set_destructor(screen, config_screen_destroy);
591 nc_scr_init(&screen->scr, pb_config_screen_sig, 0,
592 cui, config_screen_process_key,
593 config_screen_post, config_screen_unpost,
594 config_screen_resize);
597 screen->on_exit = on_exit;
599 screen->field_x = 17;
601 screen->scr.frame.ltitle = talloc_strdup(screen,
602 "Petitboot System Configuration");
603 screen->scr.frame.rtitle = NULL;
604 screen->scr.frame.help = talloc_strdup(screen,
605 "tab=next, shift+tab=previous");
606 nc_scr_frame_draw(&screen->scr);
608 scrollok(screen->scr.sub_ncw, true);
610 config_screen_update(screen, config, sysinfo);
612 wrefresh(screen->scr.main_ncw);