move upgrade to its own subfolder

[project/procd.git] / upgraded / upgraded.c

diff --git a/upgraded/upgraded.c b/upgraded/upgraded.c
new file mode 100644 (file)
index 0000000..1e4057a
--- /dev/null
+++ b/upgraded/upgraded.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 2.1
+ * as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <sys/reboot.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <libubox/uloop.h>
+
+#include "../watchdog.h"
+
+static struct uloop_process upgrade_proc;
+unsigned int debug = 2;
+
+static void upgrade_proc_cb(struct uloop_process *proc, int ret)
+{
+       if (ret)
+               fprintf(stderr, "sysupgrade aborted with return code: %d\n", ret);
+       uloop_end();
+}
+
+static void sysupgarde(char *folder)
+{
+       char *args[] = { "/sbin/sysupgrade", "nand", NULL, NULL };
+
+       args[2] = folder;
+       upgrade_proc.cb = upgrade_proc_cb;
+       upgrade_proc.pid = fork();
+       if (!upgrade_proc.pid) {
+               execvp(args[0], args);
+               fprintf(stderr, "Failed to fork sysupgrade\n");
+               exit(-1);
+       }
+       if (upgrade_proc.pid <= 0) {
+               fprintf(stderr, "Failed to start sysupgarde\n");
+               uloop_end();
+       }
+}
+
+int main(int argc, char **argv)
+{
+       pid_t p = getpid();
+
+       chdir("/tmp");
+
+       if (p != 1) {
+               fprintf(stderr, "this tool needs to run as pid 1\n");
+               return -1;
+       }
+       if (argc != 2) {
+               fprintf(stderr, "sysupgrade stage 2 failed, no folder specified\n");
+               return -1;
+       }
+
+       uloop_init();
+       watchdog_init(0);
+       sysupgarde(argv[1]);
+       uloop_run();
+
+       reboot(RB_AUTOBOOT);
+
+       return 0;
+}