X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=ui%2Fncurses%2Fnc-cui.c;h=a6537cb46b2b9e46a353d383e6c7ec8c5fad4c39;hp=09b63b053f25638176b1837332b88dab387be110;hb=211d7eb1de2d3a9cd97846deb9a85a934dae2981;hpb=86c9d34380b0074dab1ba89a569a94280d6999c4

diff --git a/ui/ncurses/nc-cui.c b/ui/ncurses/nc-cui.c
index 09b63b0..a6537cb 100644
--- a/ui/ncurses/nc-cui.c
+++ b/ui/ncurses/nc-cui.c
@@ -25,6 +25,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sys/ioctl.h>
+#include <sys/reboot.h>
 
 #include "log/log.h"
 #include "pb-protocol/pb-protocol.h"
@@ -45,8 +46,18 @@
 
 extern const struct help_text main_menu_help_text;
 
+static bool cui_detached = false;
+
 static struct pmenu *main_menu_init(struct cui *cui);
 
+static bool lockdown_active(void)
+{
+	bool lockdown = false;
+	if (access(LOCKDOWN_FILE, F_OK) != -1)
+		lockdown = true;
+	return lockdown;
+}
+
 static void cui_start(void)
 {
 	initscr();			/* Initialize ncurses. */
@@ -91,9 +102,19 @@ static void cui_start(void)
 
 static void cui_atexit(void)
 {
+	if (cui_detached)
+		return;
+
 	clear();
 	refresh();
 	endwin();
+
+	bool lockdown = lockdown_active();
+
+	while (lockdown) {
+		sync();
+		reboot(RB_AUTOBOOT);
+	}
 }
 
 /**
@@ -673,13 +694,13 @@ static void cui_device_remove(struct device *dev, void *arg)
 		nc_scr_post(cui->current);
 }
 
-static void cui_update_status(struct boot_status *status, void *arg)
+static void cui_update_status(struct status *status, void *arg)
 {
 	struct cui *cui = cui_from_arg(arg);
 
 	nc_scr_status_printf(cui->current,
 			"%s: %s",
-			status->type == BOOT_STATUS_ERROR ?
+			status->type == STATUS_ERROR ?
 				_("Error") : _("Info"),
 			status->message);
 
@@ -826,6 +847,7 @@ static struct pmenu *main_menu_init(struct cui *cui)
 	struct pmenu_item *i;
 	struct pmenu *m;
 	int result;
+	bool lockdown = lockdown_active();
 
 	m = pmenu_init(cui, 7, cui_on_exit);
 	if (!m) {
@@ -869,7 +891,10 @@ static struct pmenu *main_menu_init(struct cui *cui)
 	i->on_execute = menu_add_url_execute;
 	pmenu_item_insert(m, i, 5);
 
-	i = pmenu_item_create(m, _("Exit to shell"));
+	if (lockdown)
+		i = pmenu_item_create(m, _("Reboot"));
+	else
+		i = pmenu_item_create(m, _("Exit to shell"));
 	i->on_execute = pmenu_exit_cb;
 	pmenu_item_insert(m, i, 6);
 
@@ -904,6 +929,31 @@ static struct discover_client_ops cui_client_ops = {
 	.update_config = cui_update_config,
 };
 
+/* cui_server_wait_on_exit - On exit spin until the server is available.
+ *
+ * If the program exits before connecting to the server autoboot won't be
+ * cancelled even though there has been keyboard activity. This function is
+ * called by a child process which will spin until the server is connected and
+ * told to cancel autoboot.
+ *
+ * Processes exiting from this function will not carry out the cui_atexit()
+ * steps.
+ */
+static void cui_server_wait_on_exit(struct cui *cui)
+{
+	cui_detached = true;
+
+	while (!cui->client) {
+		cui->client = discover_client_init(cui->waitset,
+				&cui_client_ops, cui);
+		if (!cui->client)
+			sleep(1);
+	}
+
+	talloc_steal(cui, cui->client);
+	discover_client_cancel_default(cui->client);
+}
+
 /* cui_server_wait - Connect to the discover server.
  * @arg: Pointer to the cui instance.
  *
@@ -931,13 +981,15 @@ static int cui_server_wait(void *arg)
 	if (!cui->client) {
 		waiter_register_timeout(cui->waitset, 1000, cui_server_wait,
 					cui);
-		nc_scr_status_printf(cui->current, "Info: Waiting for server");
+		nc_scr_status_printf(cui->current,
+				     "Info: Waiting for device discovery");
 	} else {
-		nc_scr_status_printf(cui->current, "Info: Connected to server!");
+		nc_scr_status_printf(cui->current,
+				     "Info: Connected to pb-discover!");
 		talloc_steal(cui, cui->client);
 
 		if (cui->has_input) {
-			pb_log("Aborting default boot on server connect\n");
+			pb_log("Aborting default boot on pb-discover connect\n");
 			discover_client_cancel_default(cui->client);
 		}
 	}
@@ -1058,6 +1110,8 @@ fail_alloc:
 
 int cui_run(struct cui *cui)
 {
+	pid_t pid;
+
 	assert(main);
 
 	cui->current = &cui->main->scr;
@@ -1084,5 +1138,16 @@ int cui_run(struct cui *cui)
 
 	cui_atexit();
 
+	if (!cui->client) {
+		/* Fork a child to tell the server to cancel autoboot */
+		pid = fork();
+		if (!pid) {
+			cui_server_wait_on_exit(cui);
+			exit(EXIT_SUCCESS);
+		}
+		if (pid < 0)
+			pb_log("Failed to fork child on exit: %m\n");
+	}
+
 	return cui->abort ? 0 : -1;
 }