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"
38 NET_CONF_TYPE_DHCP_ALL,
39 NET_CONF_TYPE_DHCP_ONE,
43 struct config_screen {
46 struct nc_widgetset *widgetset;
50 void (*on_exit)(struct cui *);
58 enum net_conf_type net_conf_type;
61 struct nc_widget_checkbox *autoboot_f;
62 struct nc_widget_label *autoboot_l;
63 struct nc_widget_textbox *timeout_f;
64 struct nc_widget_label *timeout_l;
65 struct nc_widget_label *timeout_help_l;
67 struct nc_widget_label *network_l;
68 struct nc_widget_select *network_f;
70 struct nc_widget_label *iface_l;
71 struct nc_widget_select *iface_f;
72 struct nc_widget_label *ip_addr_l;
73 struct nc_widget_textbox *ip_addr_f;
74 struct nc_widget_label *ip_mask_l;
75 struct nc_widget_textbox *ip_mask_f;
76 struct nc_widget_label *ip_addr_mask_help_l;
77 struct nc_widget_label *gateway_l;
78 struct nc_widget_textbox *gateway_f;
79 struct nc_widget_label *gateway_help_l;
80 struct nc_widget_label *dns_l;
81 struct nc_widget_textbox *dns_f;
82 struct nc_widget_label *dns_dhcp_help_l;
83 struct nc_widget_label *dns_help_l;
85 struct nc_widget_button *ok_b;
86 struct nc_widget_button *cancel_b;
90 static struct config_screen *config_screen_from_scr(struct nc_scr *scr)
92 struct config_screen *config_screen;
94 assert(scr->sig == pb_config_screen_sig);
95 config_screen = (struct config_screen *)
96 ((char *)scr - (size_t)&((struct config_screen *)0)->scr);
97 assert(config_screen->scr.sig == pb_config_screen_sig);
101 static void pad_refresh(struct config_screen *screen)
103 int y, x, rows, cols;
105 getmaxyx(screen->scr.sub_ncw, rows, cols);
106 getbegyx(screen->scr.sub_ncw, y, x);
108 prefresh(screen->pad, screen->scroll_y, 0, y, x, rows, cols);
111 static void config_screen_process_key(struct nc_scr *scr, int key)
113 struct config_screen *screen = config_screen_from_scr(scr);
116 handled = widgetset_process_key(screen->widgetset, key);
118 screen->on_exit(screen->cui);
123 static void config_screen_resize(struct nc_scr *scr)
125 struct config_screen *screen = config_screen_from_scr(scr);
129 static int config_screen_post(struct nc_scr *scr)
131 struct config_screen *screen = config_screen_from_scr(scr);
132 widgetset_post(screen->widgetset);
133 nc_scr_frame_draw(scr);
138 static int config_screen_unpost(struct nc_scr *scr)
140 struct config_screen *screen = config_screen_from_scr(scr);
141 widgetset_unpost(screen->widgetset);
145 struct nc_scr *config_screen_scr(struct config_screen *screen)
150 static int screen_process_form(struct config_screen *screen)
152 const struct system_info *sysinfo = screen->cui->sysinfo;
153 struct config *config = talloc_zero(screen, struct config);
154 enum net_conf_type net_conf_type;
155 struct interface_config *iface;
159 config_set_defaults(config);
161 config->autoboot_enabled =
162 widget_checkbox_get_value(screen->widgets.autoboot_f);
165 str = widget_textbox_get_value(screen->widgets.timeout_f);
169 x = strtoul(str, &end, 10);
170 if (!errno && end != str)
171 config->autoboot_timeout_sec = x;
174 net_conf_type = widget_select_get_value(screen->widgets.network_f);
176 /* if we don't have any network interfaces, prevent per-interface
178 if (sysinfo->n_interfaces == 0)
179 net_conf_type = NET_CONF_TYPE_DHCP_ALL;
181 if (net_conf_type == NET_CONF_TYPE_DHCP_ALL) {
182 config->network.n_interfaces = 0;
187 iface = talloc_zero(config, struct interface_config);
188 config->network.n_interfaces = 1;
189 config->network.interfaces = talloc_array(config,
190 struct interface_config *, 1);
191 config->network.interfaces[0] = iface;
193 /* copy hwaddr (from the sysinfo interface data) to
194 * the configuration */
195 idx = widget_select_get_value(screen->widgets.iface_f);
196 memcpy(iface->hwaddr, sysinfo->interfaces[idx]->hwaddr,
197 sizeof(iface->hwaddr));
200 if (net_conf_type == NET_CONF_TYPE_DHCP_ONE) {
201 iface->method = CONFIG_METHOD_DHCP;
204 if (net_conf_type == NET_CONF_TYPE_STATIC) {
205 char *ip, *mask, *gateway;
207 ip = widget_textbox_get_value(screen->widgets.ip_addr_f);
208 mask = widget_textbox_get_value(screen->widgets.ip_mask_f);
209 gateway = widget_textbox_get_value(screen->widgets.gateway_f);
211 if (!ip || !*ip || !mask || !*mask) {
212 screen->scr.frame.status =
213 "No IP / mask values are set";
214 nc_scr_frame_draw(&screen->scr);
218 iface->method = CONFIG_METHOD_STATIC;
219 iface->static_config.address = talloc_asprintf(iface, "%s/%s",
221 iface->static_config.gateway = talloc_strdup(iface, gateway);
224 str = widget_textbox_get_value(screen->widgets.dns_f);
225 if (str && strlen(str)) {
230 dns = strtok_r(str, " \t", &tmp);
235 i = config->network.n_dns_servers++;
236 config->network.dns_servers = talloc_realloc(config,
237 config->network.dns_servers,
239 config->network.n_dns_servers);
240 config->network.dns_servers[i] =
241 talloc_strdup(config, dns);
247 rc = cui_send_config(screen->cui, config);
251 pb_log("cui_send_config failed!\n");
253 pb_debug("config sent!\n");
258 static void ok_click(void *arg)
260 struct config_screen *screen = arg;
261 if (screen_process_form(screen))
262 /* errors are written to the status line, so we'll need
264 wrefresh(screen->scr.main_ncw);
269 static void cancel_click(void *arg)
271 struct config_screen *screen = arg;
275 static int layout_pair(struct config_screen *screen, int y,
276 struct nc_widget_label *label,
277 struct nc_widget *field)
279 struct nc_widget *label_w = widget_label_base(label);
280 widget_move(label_w, y, screen->label_x);
281 widget_move(field, y, screen->field_x);
282 return max(widget_height(label_w), widget_height(field));
285 static void config_screen_layout_widgets(struct config_screen *screen,
286 enum net_conf_type net_conf)
288 struct nc_widget *wl, *wf, *wh;
293 help_x = screen->field_x + 2 +
294 widget_width(widget_textbox_base(screen->widgets.dns_f));
296 y += layout_pair(screen, y, screen->widgets.autoboot_l,
297 widget_checkbox_base(screen->widgets.autoboot_f));
299 wf = widget_textbox_base(screen->widgets.timeout_f);
300 widget_move(widget_label_base(screen->widgets.timeout_l),
302 widget_move(wf, y, screen->field_x);
303 widget_move(widget_label_base(screen->widgets.timeout_help_l),
304 y, screen->field_x + widget_width(wf) + 1);
308 y += layout_pair(screen, y, screen->widgets.network_l,
309 widget_select_base(screen->widgets.network_f));
313 /* conditionally show iface select */
314 wl = widget_label_base(screen->widgets.iface_l);
315 wf = widget_select_base(screen->widgets.iface_f);
317 show = net_conf == NET_CONF_TYPE_DHCP_ONE ||
318 net_conf == NET_CONF_TYPE_STATIC;
320 widget_set_visible(wl, show);
321 widget_set_visible(wf, show);
324 y += layout_pair(screen, y, screen->widgets.iface_l, wf) + 1;
326 /* conditionally show static IP params */
327 show = net_conf == NET_CONF_TYPE_STATIC;
329 wl = widget_label_base(screen->widgets.ip_addr_l);
330 wf = widget_textbox_base(screen->widgets.ip_addr_f);
331 widget_set_visible(wl, show);
332 widget_set_visible(wf, show);
333 x = screen->field_x + widget_width(wf) + 1;
336 layout_pair(screen, y, screen->widgets.ip_addr_l, wf);
338 wl = widget_label_base(screen->widgets.ip_mask_l);
339 wf = widget_textbox_base(screen->widgets.ip_mask_f);
340 widget_set_visible(wl, show);
341 widget_set_visible(wf, show);
344 widget_move(wl, y, x);
345 widget_move(wf, y, x + 2);
348 /* help for IP/mask */
349 wh = widget_label_base(screen->widgets.ip_addr_mask_help_l);
350 widget_set_visible(wh, show);
352 widget_move(wh, y, help_x);
356 wl = widget_label_base(screen->widgets.gateway_l);
357 wf = widget_textbox_base(screen->widgets.gateway_f);
358 wh = widget_label_base(screen->widgets.gateway_help_l);
359 widget_set_visible(wl, show);
360 widget_set_visible(wf, show);
361 widget_set_visible(wh, show);
364 layout_pair(screen, y, screen->widgets.gateway_l, wf);
365 widget_move(wh, y, help_x);
369 wh = widget_label_base(screen->widgets.dns_help_l);
370 layout_pair(screen, y, screen->widgets.dns_l,
371 widget_textbox_base(screen->widgets.dns_f));
372 widget_move(wh, y, help_x);
375 /* we show the DNS/DHCP help if we're configuring DHCP */
376 show = net_conf != NET_CONF_TYPE_STATIC;
377 wl = widget_label_base(screen->widgets.dns_dhcp_help_l);
378 widget_set_visible(wl, show);
380 widget_move(wl, y, screen->field_x);
386 widget_move(widget_button_base(screen->widgets.ok_b),
388 widget_move(widget_button_base(screen->widgets.cancel_b),
389 y, screen->field_x + 10);
392 static void config_screen_network_change(void *arg, int value)
394 struct config_screen *screen = arg;
395 screen->net_conf_type = value;
396 widgetset_unpost(screen->widgetset);
397 config_screen_layout_widgets(screen, value);
398 widgetset_post(screen->widgetset);
401 static struct interface_config *first_active_interface(
402 const struct config *config)
406 for (i = 0; i < config->network.n_interfaces; i++) {
407 if (config->network.interfaces[i]->ignore)
409 return config->network.interfaces[i];
414 static enum net_conf_type find_net_conf_type(const struct config *config)
416 struct interface_config *ifcfg;
418 ifcfg = first_active_interface(config);
421 return NET_CONF_TYPE_DHCP_ALL;
423 else if (ifcfg->method == CONFIG_METHOD_DHCP)
424 return NET_CONF_TYPE_DHCP_ONE;
426 else if (ifcfg->method == CONFIG_METHOD_STATIC)
427 return NET_CONF_TYPE_STATIC;
430 return NET_CONF_TYPE_DHCP_ALL;
433 static void config_screen_setup_empty(struct config_screen *screen)
435 widget_new_label(screen->widgetset, 2, screen->field_x,
436 "Waiting for configuration data...");
437 screen->widgets.cancel_b = widget_new_button(screen->widgetset,
438 4, screen->field_x, 6, "Cancel", cancel_click, screen);
442 static void config_screen_setup_widgets(struct config_screen *screen,
443 const struct config *config,
444 const struct system_info *sysinfo)
446 struct nc_widgetset *set = screen->widgetset;
447 struct interface_config *ifcfg;
448 char *str, *ip, *mask, *gw;
449 enum net_conf_type type;
452 build_assert(sizeof(screen->widgets) / sizeof(struct widget *)
455 type = screen->net_conf_type;
456 ifcfg = first_active_interface(config);
458 screen->widgets.autoboot_l = widget_new_label(set, 0, 0, "Autoboot:");
459 screen->widgets.autoboot_f = widget_new_checkbox(set, 0, 0,
460 config->autoboot_enabled);
462 str = talloc_asprintf(screen, "%d", config->autoboot_timeout_sec);
463 screen->widgets.timeout_l = widget_new_label(set, 0, 0, "Timeout:");
464 screen->widgets.timeout_f = widget_new_textbox(set, 0, 0, 5, str);
465 screen->widgets.timeout_help_l = widget_new_label(set, 0, 0, "seconds");
467 widget_textbox_set_validator_integer(screen->widgets.timeout_f, 0, 999);
469 screen->widgets.network_l = widget_new_label(set, 0, 0, "Network");
470 screen->widgets.network_f = widget_new_select(set, 0, 0, 50);
472 widget_select_add_option(screen->widgets.network_f,
473 NET_CONF_TYPE_DHCP_ALL,
474 "DHCP on all active interfaces",
475 type == NET_CONF_TYPE_DHCP_ALL);
476 widget_select_add_option(screen->widgets.network_f,
477 NET_CONF_TYPE_DHCP_ONE,
478 "DHCP on a specific interface",
479 type == NET_CONF_TYPE_DHCP_ONE);
480 widget_select_add_option(screen->widgets.network_f,
481 NET_CONF_TYPE_STATIC,
482 "Static IP configuration",
483 type == NET_CONF_TYPE_STATIC);
485 widget_select_on_change(screen->widgets.network_f,
486 config_screen_network_change, screen);
488 screen->widgets.iface_l = widget_new_label(set, 0, 0, "Device:");
489 screen->widgets.iface_f = widget_new_select(set, 0, 0, 50);
491 for (i = 0; i < sysinfo->n_interfaces; i++) {
492 struct interface_info *info = sysinfo->interfaces[i];
493 char str[50], mac[20];
496 is_default = ifcfg && !memcmp(ifcfg->hwaddr, info->hwaddr,
497 sizeof(ifcfg->hwaddr));
499 mac_str(info->hwaddr, info->hwaddr_size, mac, sizeof(mac));
500 snprintf(str, sizeof(str), "%s [%s, %s]", info->name, mac,
501 info->link ? "link up" : "link down");
503 widget_select_add_option(screen->widgets.iface_f,
507 gw = ip = mask = NULL;
508 if (ifcfg && ifcfg->method == CONFIG_METHOD_STATIC) {
511 str = talloc_strdup(screen, ifcfg->static_config.address);
512 sep = strchr(str, '/');
519 gw = ifcfg->static_config.gateway;
522 screen->widgets.ip_addr_l = widget_new_label(set, 0, 0, "IP/mask:");
523 screen->widgets.ip_addr_f = widget_new_textbox(set, 0, 0, 16, ip);
524 screen->widgets.ip_mask_l = widget_new_label(set, 0, 0, "/");
525 screen->widgets.ip_mask_f = widget_new_textbox(set, 0, 0, 4, mask);
526 screen->widgets.ip_addr_mask_help_l =
527 widget_new_label(set, 0, 0, "(eg. 192.168.0.10 / 24)");
529 widget_textbox_set_validator_ipv4(screen->widgets.ip_addr_f);
530 widget_textbox_set_validator_integer(screen->widgets.ip_mask_f, 1, 31);
532 screen->widgets.gateway_l = widget_new_label(set, 0, 0, "Gateway:");
533 screen->widgets.gateway_f = widget_new_textbox(set, 0, 0, 16, gw);
534 screen->widgets.gateway_help_l =
535 widget_new_label(set, 0, 0, "(eg. 192.168.0.1)");
537 widget_textbox_set_validator_ipv4(screen->widgets.gateway_f);
539 str = talloc_strdup(screen, "");
540 for (i = 0; i < config->network.n_dns_servers; i++) {
541 str = talloc_asprintf_append(str, "%s%s",
543 config->network.dns_servers[i]);
546 screen->widgets.dns_l = widget_new_label(set, 0, 0, "DNS Server(s):");
547 screen->widgets.dns_f = widget_new_textbox(set, 0, 0, 32, str);
548 screen->widgets.dns_help_l =
549 widget_new_label(set, 0, 0, "(eg. 192.168.0.2)");
551 widget_textbox_set_validator_ipv4_multi(screen->widgets.dns_f);
553 screen->widgets.dns_dhcp_help_l = widget_new_label(set, 0, 0,
554 "(if not provided by DHCP server)");
556 screen->widgets.ok_b = widget_new_button(set, 0, 0, 6, "OK",
558 screen->widgets.cancel_b = widget_new_button(set, 0, 0, 6, "Cancel",
559 cancel_click, screen);
562 static void config_screen_widget_focus(struct nc_widget *widget, void *arg)
564 struct config_screen *screen = arg;
567 w_y = widget_y(widget) + widget_focus_y(widget);
568 s_max = getmaxy(screen->scr.sub_ncw) - 1;
570 if (w_y < screen->scroll_y)
571 screen->scroll_y = w_y;
573 else if (w_y + screen->scroll_y + 1 > s_max)
574 screen->scroll_y = 1 + w_y - s_max;
583 void config_screen_update(struct config_screen *screen,
584 const struct config *config,
585 const struct system_info *sysinfo)
590 /* The size of the pad we'll need depends on the number of interfaces.
592 * We use N_FIELDS (which is quite conservative, as some fields share
593 * a line) as a base, then add 3 (as the network select field is
594 * takes 3 lines), and n_interfaces (as the network interface field
595 * has n_interfaces lines).
597 height = N_FIELDS + 3;
599 height += sysinfo->n_interfaces;
600 if (!screen->pad || getmaxy(screen->pad) < height) {
603 screen->pad = newpad(height, COLS);
606 if (screen->widgetset) {
607 widgetset_unpost(screen->widgetset);
608 talloc_free(screen->widgetset);
612 screen->widgetset = widgetset_create(screen, screen->scr.main_ncw,
614 widgetset_set_widget_focus(screen->widgetset,
615 config_screen_widget_focus, screen);
617 if (!config || !sysinfo) {
618 config_screen_setup_empty(screen);
620 screen->net_conf_type = find_net_conf_type(config);
622 config_screen_setup_widgets(screen, config, sysinfo);
623 config_screen_layout_widgets(screen, screen->net_conf_type);
627 widgetset_post(screen->widgetset);
632 static int config_screen_destroy(void *arg)
634 struct config_screen *screen = arg;
640 struct config_screen *config_screen_init(struct cui *cui,
641 const struct config *config,
642 const struct system_info *sysinfo,
643 void (*on_exit)(struct cui *))
645 struct config_screen *screen;
647 screen = talloc_zero(cui, struct config_screen);
648 talloc_set_destructor(screen, config_screen_destroy);
649 nc_scr_init(&screen->scr, pb_config_screen_sig, 0,
650 cui, config_screen_process_key,
651 config_screen_post, config_screen_unpost,
652 config_screen_resize);
655 screen->on_exit = on_exit;
657 screen->field_x = 17;
659 screen->scr.frame.ltitle = talloc_strdup(screen,
660 "Petitboot System Configuration");
661 screen->scr.frame.rtitle = NULL;
662 screen->scr.frame.help = talloc_strdup(screen,
663 "tab=next, shift+tab=previous");
664 nc_scr_frame_draw(&screen->scr);
666 scrollok(screen->scr.sub_ncw, true);
668 config_screen_update(screen, config, sysinfo);
670 wrefresh(screen->scr.main_ncw);