X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=ui%2Fncurses%2Fnc-boot-editor.c;h=5b098a4bc6f87eb2c987c1aa691a29989424640b;hp=274bd9d2fa1b4df079eb050c10524bc46abad5b1;hb=11c43508e4360456298a6dcb0563614e9a118b41;hpb=a240e296ac2ecf8934f71cb23946fc77101cdfd6

diff --git a/ui/ncurses/nc-boot-editor.c b/ui/ncurses/nc-boot-editor.c
index 274bd9d..5b098a4 100644
--- a/ui/ncurses/nc-boot-editor.c
+++ b/ui/ncurses/nc-boot-editor.c
@@ -22,7 +22,6 @@
 
 #include <assert.h>
 #include <string.h>
-#include <stdlib.h>
 
 #include "log/log.h"
 #include "talloc/talloc.h"
@@ -45,6 +44,7 @@ struct boot_editor {
 					struct pmenu_item *item,
 					struct pb_boot_data *bd);
 	bool			need_redraw;
+	bool			need_update;
 
 	int			label_x;
 	int			field_x;
@@ -63,6 +63,8 @@ struct boot_editor {
 		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;
@@ -73,6 +75,9 @@ struct boot_editor {
 	char			*initrd;
 	char			*dtb;
 	char			*args;
+	char			*args_sig_file;
+
+	bool			use_signature_files;
 };
 
 extern const struct help_text boot_editor_help_text;
@@ -110,7 +115,14 @@ static struct boot_editor *boot_editor_from_arg(void *arg)
 static int boot_editor_post(struct nc_scr *scr)
 {
 	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);
 	if (boot_editor->need_redraw) {
 		redrawwin(scr->main_ncw);
@@ -150,7 +162,8 @@ static char *conditional_prefix(struct pb_boot_data *ctx,
 	sep = "";
 	if (!prefix)
 		prefix = "";
-	else if (prefix[strlen(prefix)] != '/')
+	else if ((prefix[strlen(prefix) - 1] != '/') &&
+				(value[0] != '/'))
 		sep = "/";
 
 	return talloc_asprintf(ctx, "%s%s%s", prefix, sep, value);
@@ -191,6 +204,15 @@ static struct pb_boot_data *boot_editor_prepare_data(
 	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;
 }
 
@@ -288,7 +310,7 @@ static int layout_pair(struct boot_editor *boot_editor, int y,
 
 static int pad_height(int blockdevs_height)
 {
-	return 10 + blockdevs_height;
+	return 10 + (2 * blockdevs_height);
 }
 
 static void boot_editor_layout_widgets(struct boot_editor *boot_editor)
@@ -316,11 +338,20 @@ static void boot_editor_layout_widgets(struct boot_editor *boot_editor)
 	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, 9);
-	widget_move(widget_button_base(boot_editor->widgets.help_b), y, 19);
-	widget_move(widget_button_base(boot_editor->widgets.cancel_b), y, 33);
+	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)
@@ -435,6 +466,11 @@ static void boot_editor_find_device(struct boot_editor *boot_editor,
 	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;
@@ -444,6 +480,9 @@ static void boot_editor_find_device(struct boot_editor *boot_editor,
 		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,
@@ -491,7 +530,18 @@ static void boot_editor_setup_widgets(struct boot_editor *boot_editor,
 	boot_editor->widgets.args_f = widget_new_textbox(set, 0, 0,
 					field_size, boot_editor->args);
 
-	boot_editor->widgets.ok_b = widget_new_button(set, 0, 0, 6,
+	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);
@@ -504,6 +554,11 @@ void boot_editor_update(struct boot_editor *boot_editor,
 {
 	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);
@@ -524,36 +579,6 @@ void boot_editor_update(struct boot_editor *boot_editor,
 	pad_refresh(boot_editor);
 }
 
-/* Return the number of columns required to display a localised string */
-static int strncols(const char *str)
-{
-	int i, wlen, ncols = 0;
-	wchar_t *wstr;
-
-	wlen = mbstowcs(NULL, str, 0);
-	if (wlen <= 0)
-		return wlen;
-
-	wstr = malloc(sizeof(wchar_t) * wlen + 1);
-	if (!wstr)
-		return -1;
-
-	wlen = mbstowcs(wstr, str, wlen);
-	if (wlen <= 0) {
-		free(wstr);
-		return wlen;
-	}
-
-	/* Processing each character individually lets us use the same
-	 * check for all languages */
-	for (i = 0; i < wlen; i++) {
-		ncols += wcwidth(wstr[i]);
-	}
-
-	free(wstr);
-	return ncols;
-}
-
 struct boot_editor *boot_editor_init(struct cui *cui,
 		struct pmenu_item *item,
 		const struct system_info *sysinfo,
@@ -562,24 +587,39 @@ struct boot_editor *boot_editor_init(struct cui *cui,
 				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->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;
 
-	int ncols1 = strncols(_("Device tree:"));
-	int ncols2 = strncols(_("Boot arguments:"));
+	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(ncols1, ncols2);
+	boot_editor->field_x = 2 + max(max(ncols1, ncols2), ncols3);
 
 	nc_scr_init(&boot_editor->scr, pb_boot_editor_sig, 0,
 			cui, boot_editor_process_key,
@@ -598,10 +638,15 @@ struct boot_editor *boot_editor_init(struct cui *cui,
 		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 {
 		boot_editor->image = boot_editor->initrd =
-			boot_editor->dtb = boot_editor->args = "";
+			boot_editor->dtb = boot_editor->args =
+			boot_editor->args_sig_file = "";
 	}
 
 	boot_editor->pad = newpad(