#define _GNU_SOURCE
-
+#include <errno.h>
+#include <stdlib.h>
#include <string.h>
+#include <pb-config/pb-config.h>
#include <talloc/talloc.h>
#include <types/types.h>
#include <log/log.h>
#include "nc-config.h"
#include "nc-widgets.h"
-#define N_FIELDS 18
+#define N_FIELDS 19
enum net_conf_type {
NET_CONF_TYPE_DHCP_ALL,
struct nc_scr scr;
struct cui *cui;
struct nc_widgetset *widgetset;
+ WINDOW *pad;
+
bool exit;
void (*on_exit)(struct cui *);
+ int scroll_y;
+
int label_x;
int field_x;
int network_config_y;
+ enum net_conf_type net_conf_type;
+
struct {
struct nc_widget_checkbox *autoboot_f;
struct nc_widget_label *autoboot_l;
struct nc_widget_textbox *gateway_f;
struct nc_widget_label *dns_l;
struct nc_widget_textbox *dns_f;
+ struct nc_widget_label *dns_help_l;
struct nc_widget_button *ok_b;
struct nc_widget_button *cancel_b;
return config_screen;
}
+static void pad_refresh(struct config_screen *screen)
+{
+ int y, x, rows, cols;
+
+ getmaxyx(screen->scr.sub_ncw, rows, cols);
+ getbegyx(screen->scr.sub_ncw, y, x);
+
+ prefresh(screen->pad, screen->scroll_y, 0, y, x, rows, cols);
+}
+
static void config_screen_process_key(struct nc_scr *scr, int key)
{
struct config_screen *screen = config_screen_from_scr(scr);
if (screen->exit)
screen->on_exit(screen->cui);
else if (handled)
- wrefresh(screen->scr.main_ncw);
+ pad_refresh(screen);
}
static void config_screen_resize(struct nc_scr *scr)
struct config_screen *screen = config_screen_from_scr(scr);
widgetset_post(screen->widgetset);
nc_scr_frame_draw(scr);
- wrefresh(scr->main_ncw);
+ pad_refresh(screen);
return 0;
}
return &screen->scr;
}
+static int screen_process_form(struct config_screen *screen)
+{
+ const struct system_info *sysinfo = screen->cui->sysinfo;
+ struct config *config = talloc_zero(screen, struct config);
+ enum net_conf_type net_conf_type;
+ struct interface_config *iface;
+ char *str, *end;
+ int rc;
+
+ config_set_defaults(config);
+
+ config->autoboot_enabled =
+ widget_checkbox_get_value(screen->widgets.autoboot_f);
+
+
+ str = widget_textbox_get_value(screen->widgets.timeout_f);
+ if (str) {
+ unsigned long x;
+ errno = 0;
+ x = strtoul(str, &end, 10);
+ if (!errno && end != str)
+ config->autoboot_timeout_sec = x;
+ }
+
+ net_conf_type = widget_select_get_value(screen->widgets.network_f);
+
+ /* if we don't have any network interfaces, prevent per-interface
+ * configuration */
+ if (sysinfo->n_interfaces == 0)
+ net_conf_type = NET_CONF_TYPE_DHCP_ALL;
+
+ if (net_conf_type == NET_CONF_TYPE_DHCP_ALL) {
+ config->network.n_interfaces = 0;
+
+ } else {
+ int idx;
+
+ iface = talloc_zero(config, struct interface_config);
+ config->network.n_interfaces = 1;
+ config->network.interfaces = talloc_array(config,
+ struct interface_config *, 1);
+ config->network.interfaces[0] = iface;
+
+ /* copy hwaddr (from the sysinfo interface data) to
+ * the configuration */
+ idx = widget_select_get_value(screen->widgets.iface_f);
+ memcpy(iface->hwaddr, sysinfo->interfaces[idx]->hwaddr,
+ sizeof(iface->hwaddr));
+ }
+
+ if (net_conf_type == NET_CONF_TYPE_DHCP_ONE) {
+ iface->method = CONFIG_METHOD_DHCP;
+ }
+
+ if (net_conf_type == NET_CONF_TYPE_STATIC) {
+ iface->method = CONFIG_METHOD_STATIC;
+ iface->static_config.address = talloc_asprintf(iface, "%s/%s",
+ widget_textbox_get_value(
+ screen->widgets.ip_addr_f),
+ widget_textbox_get_value(
+ screen->widgets.ip_mask_f));
+ iface->static_config.gateway = talloc_strdup(iface,
+ widget_textbox_get_value(
+ screen->widgets.gateway_f));
+ }
+
+ str = widget_textbox_get_value(screen->widgets.dns_f);
+ if (str && strlen(str)) {
+ char *dns, *tmp;
+ int i;
+
+ for (;;) {
+ dns = strtok_r(str, " \t", &tmp);
+
+ if (!dns)
+ break;
+
+ i = config->network.n_dns_servers++;
+ config->network.dns_servers = talloc_realloc(config,
+ config->network.dns_servers,
+ const char *,
+ config->network.n_dns_servers);
+ config->network.dns_servers[i] =
+ talloc_strdup(config, dns);
+
+ str = NULL;
+ }
+ }
+
+ rc = cui_send_config(screen->cui, config);
+ talloc_free(config);
+
+ if (rc)
+ pb_log("cui_send_config failed!\n");
+ else
+ pb_debug("config sent!\n");
+
+ return 0;
+}
+
static void ok_click(void *arg)
{
struct config_screen *screen = arg;
- /* todo: save config */
- screen->on_exit(screen->cui);
+ screen_process_form(screen);
+ screen->exit = true;
}
static void cancel_click(void *arg)
widget_set_visible(wf, show);
if (show)
- y += layout_pair(screen, y, screen->widgets.gateway_l, wf);
+ y += layout_pair(screen, y, screen->widgets.gateway_l, wf) + 1;
+
+ y += layout_pair(screen, y, screen->widgets.dns_l,
+ widget_textbox_base(screen->widgets.dns_f));
- wl = widget_label_base(screen->widgets.dns_l);
- wf = widget_textbox_base(screen->widgets.dns_f);
+ /* we show the DNS/DHCP help if we're configuring DHCP */
+ show = net_conf != NET_CONF_TYPE_STATIC;
+ wl = widget_label_base(screen->widgets.dns_help_l);
widget_set_visible(wl, show);
- widget_set_visible(wf, show);
+ if (show) {
+ widget_move(wl, y, screen->field_x);
+ y += 1;
+ }
- if (show)
- y += 1 + layout_pair(screen, y, screen->widgets.dns_l, wf);
+ y += 1;
widget_move(widget_button_base(screen->widgets.ok_b),
y, screen->field_x);
static void config_screen_network_change(void *arg, int value)
{
struct config_screen *screen = arg;
+ screen->net_conf_type = value;
widgetset_unpost(screen->widgetset);
config_screen_layout_widgets(screen, value);
widgetset_post(screen->widgetset);
}
+static struct interface_config *first_active_interface(
+ const struct config *config)
+{
+ unsigned int i;
+
+ for (i = 0; i < config->network.n_interfaces; i++) {
+ if (config->network.interfaces[i]->ignore)
+ continue;
+ return config->network.interfaces[i];
+ }
+ return NULL;
+}
+
+static enum net_conf_type find_net_conf_type(const struct config *config)
+{
+ struct interface_config *ifcfg;
+
+ ifcfg = first_active_interface(config);
+
+ if (!ifcfg)
+ return NET_CONF_TYPE_DHCP_ALL;
+
+ else if (ifcfg->method == CONFIG_METHOD_DHCP)
+ return NET_CONF_TYPE_DHCP_ONE;
+
+ else if (ifcfg->method == CONFIG_METHOD_STATIC)
+ return NET_CONF_TYPE_STATIC;
+
+ assert(0);
+ return NET_CONF_TYPE_DHCP_ALL;
+}
+
+static void config_screen_setup_empty(struct config_screen *screen)
+{
+ widget_new_label(screen->widgetset, 2, screen->field_x,
+ "Waiting for configuration data...");
+ screen->widgets.cancel_b = widget_new_button(screen->widgetset,
+ 4, screen->field_x, 6, "Cancel", cancel_click, screen);
+}
+
+
static void config_screen_setup_widgets(struct config_screen *screen,
const struct config *config,
const struct system_info *sysinfo)
{
struct nc_widgetset *set = screen->widgetset;
+ struct interface_config *ifcfg;
+ char *str, *ip, *mask, *gw;
+ enum net_conf_type type;
unsigned int i;
- char *str;
build_assert(sizeof(screen->widgets) / sizeof(struct widget *)
== N_FIELDS);
+ type = screen->net_conf_type;
+ ifcfg = first_active_interface(config);
+
screen->widgets.autoboot_l = widget_new_label(set, 0, 0, "Autoboot:");
screen->widgets.autoboot_f = widget_new_checkbox(set, 0, 0,
config->autoboot_enabled);
widget_select_add_option(screen->widgets.network_f,
NET_CONF_TYPE_DHCP_ALL,
"DHCP on all active interfaces",
- true);
+ type == NET_CONF_TYPE_DHCP_ALL);
widget_select_add_option(screen->widgets.network_f,
NET_CONF_TYPE_DHCP_ONE,
"DHCP on a specific interface",
- false);
+ type == NET_CONF_TYPE_DHCP_ONE);
widget_select_add_option(screen->widgets.network_f,
NET_CONF_TYPE_STATIC,
"Static IP configuration",
- false);
+ type == NET_CONF_TYPE_STATIC);
widget_select_on_change(screen->widgets.network_f,
config_screen_network_change, screen);
for (i = 0; i < sysinfo->n_interfaces; i++) {
struct interface_info *info = sysinfo->interfaces[i];
+ bool is_default;
+
+ is_default = ifcfg && !memcmp(ifcfg->hwaddr, info->hwaddr,
+ sizeof(ifcfg->hwaddr));
+
widget_select_add_option(screen->widgets.iface_f,
- i, info->name, false);
+ i, info->name, is_default);
+ }
+
+ gw = ip = mask = NULL;
+ if (ifcfg && ifcfg->method == CONFIG_METHOD_STATIC) {
+ char *sep;
+
+ str = talloc_strdup(screen, ifcfg->static_config.address);
+ sep = strchr(str, '/');
+ ip = str;
+
+ if (sep) {
+ *sep = '\0';
+ mask = sep + 1;
+ }
+ gw = ifcfg->static_config.gateway;
}
screen->widgets.ip_addr_l = widget_new_label(set, 0, 0, "IP/mask:");
- screen->widgets.ip_addr_f = widget_new_textbox(set, 0, 0, 16, "");
+ screen->widgets.ip_addr_f = widget_new_textbox(set, 0, 0, 16, ip);
screen->widgets.ip_mask_l = widget_new_label(set, 0, 0, "/");
- screen->widgets.ip_mask_f = widget_new_textbox(set, 0, 0, 3, "");
+ screen->widgets.ip_mask_f = widget_new_textbox(set, 0, 0, 3, mask);
screen->widgets.gateway_l = widget_new_label(set, 0, 0, "Gateway:");
- screen->widgets.gateway_f = widget_new_textbox(set, 0, 0, 16, "");
+ screen->widgets.gateway_f = widget_new_textbox(set, 0, 0, 16, gw);
+
+ str = talloc_strdup(screen, "");
+ for (i = 0; i < config->network.n_dns_servers; i++) {
+ str = talloc_asprintf_append(str, "%s%s",
+ (i == 0) ? "" : " ",
+ config->network.dns_servers[i]);
+ }
- screen->widgets.dns_l = widget_new_label(set, 0, 0, "DNS Server:");
- screen->widgets.dns_f = widget_new_textbox(set, 0, 0, 16, "");
+ screen->widgets.dns_l = widget_new_label(set, 0, 0, "DNS Server(s):");
+ screen->widgets.dns_f = widget_new_textbox(set, 0, 0, 32, str);
+
+ screen->widgets.dns_help_l = widget_new_label(set, 0, 0,
+ "(if not provided by DHCP server)");
screen->widgets.ok_b = widget_new_button(set, 0, 0, 6, "OK",
ok_click, screen);
cancel_click, screen);
}
+static void config_screen_widget_focus(struct nc_widget *widget, void *arg)
+{
+ struct config_screen *screen = arg;
+ int w_y, w_height, s_max;
+
+ w_y = widget_y(widget);
+ w_height = widget_height(widget);
+ s_max = getmaxy(screen->scr.sub_ncw);
+
+ if (w_y < screen->scroll_y)
+ screen->scroll_y = w_y;
+
+ else if (w_y + w_height + screen->scroll_y > s_max - 1)
+ screen->scroll_y = 1 + w_y + w_height - s_max;
+
+ else
+ return;
+
+ pad_refresh(screen);
+}
+
+
+void config_screen_update(struct config_screen *screen,
+ const struct config *config,
+ const struct system_info *sysinfo)
+{
+ bool repost = false;
+ int height;
+
+ /* The size of the pad we'll need depends on the number of interfaces.
+ *
+ * We use N_FIELDS (which is quite conservative, as some fields share
+ * a line) as a base, then add 3 (as the network select field is
+ * takes 3 lines), and n_interfaces (as the network interface field
+ * has n_interfaces lines).
+ */
+ height = N_FIELDS + 3;
+ if (sysinfo)
+ height += sysinfo->n_interfaces;
+ if (!screen->pad || getmaxx(screen->pad) < height) {
+ if (screen->pad)
+ delwin(screen->pad);
+ screen->pad = newpad(height, COLS);
+ }
+
+ if (screen->widgetset) {
+ widgetset_unpost(screen->widgetset);
+ talloc_free(screen->widgetset);
+ repost = true;
+ }
+
+ screen->widgetset = widgetset_create(screen, screen->scr.main_ncw,
+ screen->pad);
+ widgetset_set_widget_focus(screen->widgetset,
+ config_screen_widget_focus, screen);
+
+ if (!config || !sysinfo) {
+ config_screen_setup_empty(screen);
+ } else {
+ screen->net_conf_type = find_net_conf_type(config);
+
+ config_screen_setup_widgets(screen, config, sysinfo);
+ config_screen_layout_widgets(screen, screen->net_conf_type);
+ }
+
+ if (repost)
+ widgetset_post(screen->widgetset);
+
+ pad_refresh(screen);
+}
+
+static int config_screen_destroy(void *arg)
+{
+ struct config_screen *screen = arg;
+ if (screen->pad)
+ delwin(screen->pad);
+ return 0;
+}
+
struct config_screen *config_screen_init(struct cui *cui,
const struct config *config,
const struct system_info *sysinfo,
struct config_screen *screen;
screen = talloc_zero(cui, struct config_screen);
+ talloc_set_destructor(screen, config_screen_destroy);
nc_scr_init(&screen->scr, pb_config_screen_sig, 0,
cui, config_screen_process_key,
config_screen_post, config_screen_unpost,
screen->cui = cui;
screen->on_exit = on_exit;
screen->label_x = 2;
- screen->field_x = 16;
+ screen->field_x = 17;
screen->scr.frame.ltitle = talloc_strdup(screen,
"Petitboot System Configuration");
"tab=next, shift+tab=previous");
nc_scr_frame_draw(&screen->scr);
- screen->widgetset = widgetset_create(screen, screen->scr.main_ncw,
- screen->scr.sub_ncw);
- config_screen_setup_widgets(screen, config, sysinfo);
- config_screen_layout_widgets(screen, NET_CONF_TYPE_DHCP_ALL);
+ scrollok(screen->scr.sub_ncw, true);
+
+ config_screen_update(screen, config, sysinfo);
wrefresh(screen->scr.main_ncw);
- scrollok(screen->scr.sub_ncw, true);
return screen;
}
projects / petitboot / blobdiff