* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+#if defined(HAVE_CONFIG_H)
#include "config.h"
-
-#define _GNU_SOURCE
+#endif
#include <assert.h>
#include <string.h>
#include "log/log.h"
#include "talloc/talloc.h"
+#include "i18n/i18n.h"
#include "nc-boot-editor.h"
#include "nc-widgets.h"
+struct boot_editor {
+ struct nc_scr scr;
+ struct cui *cui;
+ void *data;
+ struct pmenu_item *item;
+ enum {
+ STATE_EDIT,
+ STATE_CANCEL,
+ STATE_SAVE,
+ STATE_HELP,
+ } state;
+ void (*on_exit)(struct cui *cui,
+ struct pmenu_item *item,
+ struct pb_boot_data *bd);
+ bool need_redraw;
+ bool need_update;
+
+ int label_x;
+ int field_x;
+ int scroll_y;
+
+ WINDOW *pad;
+ struct nc_widgetset *widgetset;
+ struct {
+ struct nc_widget_label *device_l;
+ struct nc_widget_select *device_f;
+ struct nc_widget_label *image_l;
+ struct nc_widget_textbox *image_f;
+ struct nc_widget_label *initrd_l;
+ struct nc_widget_textbox *initrd_f;
+ struct nc_widget_label *dtb_l;
+ struct nc_widget_textbox *dtb_f;
+ struct nc_widget_label *args_l;
+ struct nc_widget_textbox *args_f;
+ struct nc_widget_label *args_sig_file_l;
+ struct nc_widget_textbox *args_sig_file_f;
+ struct nc_widget_button *ok_b;
+ struct nc_widget_button *help_b;
+ struct nc_widget_button *cancel_b;
+ } widgets;
+
+ const char *selected_device;
+ char *image;
+ char *initrd;
+ char *dtb;
+ char *args;
+ char *args_sig_file;
+
+ bool use_signature_files;
+};
+
+extern const struct help_text boot_editor_help_text;
+
static struct boot_editor *boot_editor_from_scr(struct nc_scr *scr)
{
struct boot_editor *boot_editor;
return boot_editor;
}
+static void pad_refresh(struct boot_editor *boot_editor)
+{
+ int y, x, rows, cols;
+
+ getmaxyx(boot_editor->scr.sub_ncw, rows, cols);
+ getbegyx(boot_editor->scr.sub_ncw, y, x);
+
+ prefresh(boot_editor->pad, boot_editor->scroll_y, 0,
+ y, x, rows, cols);
+}
+
static struct boot_editor *boot_editor_from_arg(void *arg)
{
struct boot_editor *boot_editor = arg;
{
struct boot_editor *boot_editor = boot_editor_from_scr(scr);
- widgetset_post(boot_editor->widgetset);
+ if (boot_editor->need_update) {
+ boot_editor_update(boot_editor, boot_editor->cui->sysinfo);
+ boot_editor->need_update = false;
+ } else {
+ widgetset_post(boot_editor->widgetset);
+ }
+
nc_scr_frame_draw(scr);
- redrawwin(boot_editor->scr.main_ncw);
+ if (boot_editor->need_redraw) {
+ redrawwin(scr->main_ncw);
+ boot_editor->need_redraw = false;
+ }
wrefresh(boot_editor->scr.main_ncw);
-
+ pad_refresh(boot_editor);
return 0;
}
return 0;
}
+struct nc_scr *boot_editor_scr(struct boot_editor *boot_editor)
+{
+ return &boot_editor->scr;
+}
+
static void boot_editor_resize(struct nc_scr *scr)
{
/* FIXME: forms can't be resized, need to recreate here */
boot_editor_post(scr);
}
+static char *conditional_prefix(struct pb_boot_data *ctx,
+ const char *prefix, const char *value)
+{
+ const char *sep;
+
+ if (!value || !*value)
+ return NULL;
+
+ sep = "";
+ if (!prefix)
+ prefix = "";
+ else if (prefix[strlen(prefix)] != '/')
+ sep = "/";
+
+ return talloc_asprintf(ctx, "%s%s%s", prefix, sep, value);
+}
+
static struct pb_boot_data *boot_editor_prepare_data(
struct boot_editor *boot_editor)
{
struct pb_boot_data *bd;
- char *s;
+ char *s, *prefix;
+ int idx;
bd = talloc(boot_editor, struct pb_boot_data);
if (!bd)
return NULL;
+ idx = widget_select_get_value(boot_editor->widgets.device_f);
+ if (idx == -1 || (unsigned int)idx >
+ boot_editor->cui->sysinfo->n_blockdevs)
+ prefix = NULL;
+ else
+ prefix = boot_editor->cui->sysinfo->blockdevs[idx]->mountpoint;
+
s = widget_textbox_get_value(boot_editor->widgets.image_f);
- bd->image = *s ? talloc_strdup(bd, s) : NULL;
+ bd->image = conditional_prefix(bd, prefix, s);
+ if (!bd->image) {
+ talloc_free(bd);
+ return NULL;
+ }
s = widget_textbox_get_value(boot_editor->widgets.initrd_f);
- bd->initrd = *s ? talloc_strdup(bd, s) : NULL;
+ bd->initrd = conditional_prefix(bd, prefix, s);
s = widget_textbox_get_value(boot_editor->widgets.dtb_f);
- bd->dtb = *s ? talloc_strdup(bd, s) : NULL;
+ bd->dtb = conditional_prefix(bd, prefix, s);
s = widget_textbox_get_value(boot_editor->widgets.args_f);
bd->args = *s ? talloc_strdup(bd, s) : NULL;
+ if (boot_editor->use_signature_files) {
+ s = widget_textbox_get_value(
+ boot_editor->widgets.args_sig_file_f);
+ bd->args_sig_file = conditional_prefix(bd, prefix, s);
+ }
+ else {
+ bd->args_sig_file = NULL;
+ }
+
return bd;
}
static void boot_editor_process_key(struct nc_scr *scr, int key)
{
struct boot_editor *boot_editor = boot_editor_from_scr(scr);
+ struct pmenu_item *item;
+ struct pb_boot_data *bd;
bool handled;
handled = widgetset_process_key(boot_editor->widgetset, key);
- if (handled) {
- wrefresh(boot_editor->scr.main_ncw);
- return;
- }
-
- switch (key) {
- case 'x':
- case 27: /* ESC */
- boot_editor->on_exit(boot_editor, boot_editor_cancel, NULL);
- nc_flush_keys();
+ if (handled)
+ pad_refresh(boot_editor);
+
+ else if (key == 'x' || key == 27)
+ boot_editor->state = STATE_CANCEL;
+
+ else if (key == 'h')
+ boot_editor->state = STATE_HELP;
+
+ item = NULL;
+ bd = NULL;
+
+ switch (boot_editor->state) {
+ case STATE_SAVE:
+ item = boot_editor->item;
+ bd = boot_editor_prepare_data(boot_editor);
+ if (!bd) {
+ /* Incomplete entry */
+ boot_editor->state = STATE_EDIT;
+ break;
+ }
+ /* fall through */
+ case STATE_CANCEL:
+ boot_editor->on_exit(boot_editor->cui, item, bd);
+ break;
+ case STATE_HELP:
+ boot_editor->state = STATE_EDIT;
+ boot_editor->need_redraw = true;
+ cui_show_help(boot_editor->cui, _("Boot Option Editor"),
+ &boot_editor_help_text);
+ break;
+ default:
+ break;
}
}
{
struct boot_editor *boot_editor = boot_editor_from_arg(arg);
boot_editor->scr.sig = pb_removed_sig;
+ if (boot_editor->pad)
+ delwin(boot_editor->pad);
return 0;
}
static void ok_click(void *arg)
{
struct boot_editor *boot_editor = arg;
- struct pb_boot_data *bd;
+ boot_editor->state = STATE_SAVE;
+}
- bd = boot_editor_prepare_data(boot_editor);
- boot_editor->on_exit(boot_editor, boot_editor_update, bd);
+static void help_click(void *arg)
+{
+ struct boot_editor *boot_editor = arg;
+ boot_editor->state = STATE_HELP;
}
static void cancel_click(void *arg)
{
struct boot_editor *boot_editor = arg;
- boot_editor->on_exit(boot_editor, boot_editor_cancel, NULL);
+ boot_editor->state = STATE_CANCEL;
}
-struct boot_editor *boot_editor_init(struct pmenu *menu,
- const struct pb_boot_data *bd,
- void (*on_exit)(struct boot_editor *,
- enum boot_editor_result,
- struct pb_boot_data *))
+static int layout_pair(struct boot_editor *boot_editor, int y,
+ struct nc_widget_label *label,
+ struct nc_widget_textbox *field)
+{
+ struct nc_widget *label_w = widget_label_base(label);
+ struct nc_widget *field_w = widget_textbox_base(field);
+ widget_move(label_w, y, boot_editor->label_x);
+ widget_move(field_w, y, boot_editor->field_x);
+ return max(widget_height(label_w), widget_height(field_w));
+}
+
+static int pad_height(int blockdevs_height)
+{
+ return 10 + blockdevs_height;
+}
+
+static void boot_editor_layout_widgets(struct boot_editor *boot_editor)
+{
+ struct nc_widget *wf, *wl;
+ int y = 1;
+
+ wl = widget_label_base(boot_editor->widgets.device_l);
+ wf = widget_select_base(boot_editor->widgets.device_f);
+ widget_move(wl, y, boot_editor->label_x);
+ widget_move(wf, y, boot_editor->field_x);
+
+ y += widget_height(wf) + 1;
+
+
+ y += layout_pair(boot_editor, y, boot_editor->widgets.image_l,
+ boot_editor->widgets.image_f);
+
+ y += layout_pair(boot_editor, y, boot_editor->widgets.initrd_l,
+ boot_editor->widgets.initrd_f);
+
+ y += layout_pair(boot_editor, y, boot_editor->widgets.dtb_l,
+ boot_editor->widgets.dtb_f);
+
+ y += layout_pair(boot_editor, y, boot_editor->widgets.args_l,
+ boot_editor->widgets.args_f);
+
+ if (boot_editor->use_signature_files) {
+ y += layout_pair(boot_editor, y,
+ boot_editor->widgets.args_sig_file_l,
+ boot_editor->widgets.args_sig_file_f);
+ }
+
+
+ y++;
+ widget_move(widget_button_base(boot_editor->widgets.ok_b), y,
+ boot_editor->field_x);
+ widget_move(widget_button_base(boot_editor->widgets.help_b), y,
+ boot_editor->field_x + 14);
+ widget_move(widget_button_base(boot_editor->widgets.cancel_b), y,
+ boot_editor->field_x + 28);
+}
+
+static void boot_editor_widget_focus(struct nc_widget *widget, void *arg)
+{
+ struct boot_editor *boot_editor = arg;
+ int w_y, s_max;
+
+ w_y = widget_y(widget) + widget_focus_y(widget);
+ s_max = getmaxy(boot_editor->scr.sub_ncw) - 1;
+
+ if (w_y < boot_editor->scroll_y)
+ boot_editor->scroll_y = w_y;
+
+ else if (w_y + boot_editor->scroll_y + 1 > s_max)
+ boot_editor->scroll_y = 1 + w_y - s_max;
+
+ else
+ return;
+
+ pad_refresh(boot_editor);
+}
+
+static void boot_editor_device_select_change(void *arg, int idx)
+{
+ struct boot_editor *boot_editor = arg;
+ if (idx == -1)
+ boot_editor->selected_device = NULL;
+ else
+ boot_editor->selected_device =
+ boot_editor->cui->sysinfo->blockdevs[idx]->name;
+}
+
+static void boot_editor_populate_device_select(struct boot_editor *boot_editor,
+ const struct system_info *sysinfo)
+{
+ struct nc_widget_select *select = boot_editor->widgets.device_f;
+ unsigned int i;
+ bool selected;
+
+ widget_select_drop_options(select);
+
+ for (i = 0; sysinfo && i < sysinfo->n_blockdevs; i++) {
+ struct blockdev_info *bd_info = sysinfo->blockdevs[i];
+ const char *name;
+
+ name = talloc_asprintf(boot_editor, "%s [%s]",
+ bd_info->name, bd_info->uuid);
+ selected = boot_editor->selected_device &&
+ !strcmp(bd_info->name,
+ boot_editor->selected_device);
+
+ widget_select_add_option(select, i, name, selected);
+ }
+
+ /* If we're editing an existing option, the paths will be fully-
+ * resolved. In this case, we want the manual device pre-selected.
+ * However, we only do this if the widget hasn't been manually
+ * changed. */
+ selected = !boot_editor->selected_device;
+
+ widget_select_add_option(select, -1, _("Specify paths/URLs manually"),
+ selected);
+}
+
+static bool path_on_device(struct blockdev_info *bd_info,
+ const char *path)
+{
+ int len;
+
+ if (!bd_info->mountpoint)
+ return false;
+
+ len = strlen(bd_info->mountpoint);
+ if (strncmp(bd_info->mountpoint, path, len))
+ return false;
+
+ /* if the mountpoint doesn't have a trailing slash, ensure that
+ * the path starts with one (so we don't match a "/mnt/sda1/foo" path
+ * on a "/mnt/sda" mountpoint) */
+ return bd_info->mountpoint[len-1] == '/' || path[len] == '/';
+}
+
+
+static void boot_editor_find_device(struct boot_editor *boot_editor,
+ struct pb_boot_data *bd, const struct system_info *sysinfo)
+{
+ struct blockdev_info *bd_info, *tmp;
+ unsigned int i, len;
+
+ if (!sysinfo || !sysinfo->n_blockdevs)
+ return;
+
+ /* find the device for our boot image, by finding the longest
+ * matching blockdev's mountpoint */
+ for (len = 0, i = 0, bd_info = NULL; i < sysinfo->n_blockdevs; i++) {
+ tmp = sysinfo->blockdevs[i];
+ if (!path_on_device(tmp, bd->image))
+ continue;
+ if (strlen(tmp->mountpoint) <= len)
+ continue;
+ bd_info = tmp;
+ len = strlen(tmp->mountpoint);
+ }
+
+ if (!bd_info)
+ return;
+
+ /* ensure that other paths are on this device */
+ if (bd->initrd && !path_on_device(bd_info, bd->initrd))
+ return;
+
+ if (bd->dtb && !path_on_device(bd_info, bd->dtb))
+ return;
+
+ if (boot_editor->use_signature_files)
+ if (bd->args_sig_file && !path_on_device(bd_info,
+ bd->args_sig_file))
+ return;
+
+ /* ok, we match; preselect the device option, and remove the common
+ * prefix */
+ boot_editor->selected_device = bd_info->name;
+ boot_editor->image += len;
+
+ if (boot_editor->initrd)
+ boot_editor->initrd += len;
+ if (boot_editor->dtb)
+ boot_editor->dtb += len;
+ if (boot_editor->use_signature_files)
+ if (boot_editor->args_sig_file)
+ boot_editor->args_sig_file += len;
+}
+
+static void boot_editor_setup_widgets(struct boot_editor *boot_editor,
+ const struct system_info *sysinfo)
{
- int y, field_size, label_x = 1, field_x = 9;
- char *image, *initrd, *dtb, *args;
- struct boot_editor *boot_editor;
struct nc_widgetset *set;
+ int field_size;
- assert(on_exit);
+ field_size = COLS - 1 - boot_editor->field_x;
- boot_editor = talloc_zero(menu, struct boot_editor);
+ boot_editor->widgetset = set = widgetset_create(boot_editor,
+ boot_editor->scr.main_ncw,
+ boot_editor->pad);
+
+ widgetset_set_widget_focus(boot_editor->widgetset,
+ boot_editor_widget_focus, boot_editor);
+
+ boot_editor->widgets.device_l = widget_new_label(set, 0, 0,
+ _("Device:"));
+ boot_editor->widgets.device_f = widget_new_select(set, 0, 0,
+ field_size);
+ widget_select_on_change(boot_editor->widgets.device_f,
+ boot_editor_device_select_change, boot_editor);
+
+ boot_editor_populate_device_select(boot_editor, sysinfo);
+
+ boot_editor->widgets.image_l = widget_new_label(set, 0, 0,
+ _("Kernel:"));
+ boot_editor->widgets.image_f = widget_new_textbox(set, 0, 0,
+ field_size, boot_editor->image);
+
+ boot_editor->widgets.initrd_l = widget_new_label(set, 0, 0,
+ _("Initrd:"));
+ boot_editor->widgets.initrd_f = widget_new_textbox(set, 0, 0,
+ field_size,
+ boot_editor->initrd);
+
+ boot_editor->widgets.dtb_l = widget_new_label(set, 0, 0,
+ _("Device tree:"));
+ boot_editor->widgets.dtb_f = widget_new_textbox(set, 0, 0,
+ field_size, boot_editor->dtb);
+
+ boot_editor->widgets.args_l = widget_new_label(set, 0, 0,
+ _("Boot arguments:"));
+ boot_editor->widgets.args_f = widget_new_textbox(set, 0, 0,
+ field_size, boot_editor->args);
+
+ if (boot_editor->use_signature_files) {
+ boot_editor->widgets.args_sig_file_l = widget_new_label(set,
+ 0, 0, _("Argument signature file:"));
+ boot_editor->widgets.args_sig_file_f = widget_new_textbox(set,
+ 0, 0, field_size, boot_editor->args_sig_file);
+ }
+ else {
+ boot_editor->widgets.args_sig_file_l = NULL;
+ boot_editor->widgets.args_sig_file_f = NULL;
+ }
+
+ boot_editor->widgets.ok_b = widget_new_button(set, 0, 0, 10,
+ _("OK"), ok_click, boot_editor);
+ boot_editor->widgets.help_b = widget_new_button(set, 0, 0, 10,
+ _("Help"), help_click, boot_editor);
+ boot_editor->widgets.cancel_b = widget_new_button(set, 0, 0, 10,
+ _("Cancel"), cancel_click, boot_editor);
+}
+
+void boot_editor_update(struct boot_editor *boot_editor,
+ const struct system_info *sysinfo)
+{
+ int height;
+
+ if (boot_editor->cui->current != boot_editor_scr(boot_editor)) {
+ boot_editor->need_update = true;
+ return;
+ }
+
+ widgetset_unpost(boot_editor->widgetset);
+
+ height = pad_height(sysinfo ? sysinfo->n_blockdevs : 0);
+ if (getmaxy(boot_editor->pad) < height) {
+ delwin(boot_editor->pad);
+ boot_editor->pad = newpad(height, COLS);
+ widgetset_set_windows(boot_editor->widgetset,
+ boot_editor->scr.main_ncw,
+ boot_editor->pad);
+ }
+
+ boot_editor_populate_device_select(boot_editor, sysinfo);
+
+ boot_editor_layout_widgets(boot_editor);
+
+ widgetset_post(boot_editor->widgetset);
+
+ pad_refresh(boot_editor);
+}
+
+struct boot_editor *boot_editor_init(struct cui *cui,
+ struct pmenu_item *item,
+ const struct system_info *sysinfo,
+ void (*on_exit)(struct cui *cui,
+ struct pmenu_item *item,
+ struct pb_boot_data *bd))
+{
+ struct boot_editor *boot_editor;
+ int ncols1, ncols2, ncols3;
+
+ boot_editor = talloc_zero(cui, struct boot_editor);
if (!boot_editor)
return NULL;
+#if defined(HAVE_LIBGPGME)
+ if (access(LOCKDOWN_FILE, F_OK) == -1)
+ boot_editor->use_signature_files = false;
+ else
+ boot_editor->use_signature_files = true;
+#else
+ boot_editor->use_signature_files = false;
+#endif
+
talloc_set_destructor(boot_editor, boot_editor_destructor);
- boot_editor->original_pmenu = menu;
+ boot_editor->cui = cui;
+ boot_editor->item = item;
+ boot_editor->on_exit = on_exit;
+ boot_editor->state = STATE_EDIT;
+ boot_editor->need_redraw = false;
+ boot_editor->need_update = false;
+
+ ncols1 = strncols(_("Device tree:"));
+ ncols2 = strncols(_("Boot arguments:"));
+ if (boot_editor->use_signature_files)
+ ncols3 = strncols(_("Argument signature file:"));
+ else
+ ncols3 = 0;
+
+ boot_editor->label_x = 1;
+ boot_editor->field_x = 2 + max(max(ncols1, ncols2), ncols3);
nc_scr_init(&boot_editor->scr, pb_boot_editor_sig, 0,
- menu, boot_editor_process_key,
+ cui, boot_editor_process_key,
boot_editor_post, boot_editor_unpost, boot_editor_resize);
boot_editor->scr.frame.ltitle = talloc_strdup(boot_editor,
- "Petitboot Option Editor");
+ _("Petitboot Option Editor"));
boot_editor->scr.frame.rtitle = NULL;
boot_editor->scr.frame.help = talloc_strdup(boot_editor,
- "Enter=accept");
-
- boot_editor->on_exit = on_exit;
-
- if (bd) {
- image = bd->image;
- initrd = bd->initrd;
- dtb = bd->dtb;
- args = bd->args;
+ _("tab=next, shift+tab=previous, x=exit, h=help"));
+ nc_scr_frame_draw(&boot_editor->scr);
+
+ if (item) {
+ struct pb_boot_data *bd = cod_from_item(item)->bd;
+ boot_editor->image = bd->image;
+ boot_editor->initrd = bd->initrd;
+ boot_editor->dtb = bd->dtb;
+ boot_editor->args = bd->args;
+ if (boot_editor->use_signature_files)
+ boot_editor->args_sig_file = bd->args_sig_file;
+ else
+ boot_editor->args_sig_file = talloc_strdup(bd, "");
+ boot_editor_find_device(boot_editor, bd, sysinfo);
} else {
- image = initrd = dtb = args = "";
+ boot_editor->image = boot_editor->initrd =
+ boot_editor->dtb = boot_editor->args =
+ boot_editor->args_sig_file = "";
}
- y = 0;
- field_size = COLS - 1 - field_x;
-
- boot_editor->widgetset = set = widgetset_create(boot_editor,
- boot_editor->scr.main_ncw,
- boot_editor->scr.sub_ncw);
-
- boot_editor->widgets.image_l = widget_new_label(set, y,
- label_x, "image:");
- boot_editor->widgets.image_f = widget_new_textbox(set, y,
- field_x, field_size, image);
+ boot_editor->pad = newpad(
+ pad_height(sysinfo ? sysinfo->n_blockdevs : 0),
+ COLS);
- y++;
- boot_editor->widgets.initrd_l = widget_new_label(set, y,
- label_x, "initrd:");
- boot_editor->widgets.initrd_f = widget_new_textbox(set, y,
- field_x, field_size, initrd);
+ boot_editor_setup_widgets(boot_editor, sysinfo);
- y++;
- boot_editor->widgets.dtb_l = widget_new_label(set, y,
- label_x, "dtb:");
- boot_editor->widgets.dtb_f = widget_new_textbox(set, y,
- field_x, field_size, dtb);
-
- y++;
- boot_editor->widgets.args_l = widget_new_label(set, y,
- label_x, "args:");
- boot_editor->widgets.args_f = widget_new_textbox(set, y,
- field_x, field_size, args);
-
- y++;
- y++;
- boot_editor->widgets.ok_b = widget_new_button(set, y,
- 9, 6, "OK", ok_click, boot_editor);
- boot_editor->widgets.cancel_b = widget_new_button(set, y,
- 19, 6, "Cancel", cancel_click,
- boot_editor);
+ boot_editor_layout_widgets(boot_editor);
+ wrefresh(boot_editor->scr.main_ncw);
return boot_editor;
}