#include <sys/reboot.h>
+#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../watchdog.h"
+#ifndef O_PATH
+#define O_PATH 010000000
+#endif
+
static struct uloop_process upgrade_proc;
unsigned int debug = 2;
uloop_end();
}
-static void sysupgarde(char *folder)
+static void sysupgrade(char *path, char *command)
{
- char *args[] = { "/sbin/sysupgrade", "nand", NULL, NULL };
+ char *args[] = { "/lib/upgrade/stage2", NULL, NULL, NULL };
- args[2] = folder;
+ args[1] = path;
+ args[2] = command;
upgrade_proc.cb = upgrade_proc_cb;
upgrade_proc.pid = fork();
if (!upgrade_proc.pid) {
exit(-1);
}
if (upgrade_proc.pid <= 0) {
- fprintf(stderr, "Failed to start sysupgarde\n");
+ fprintf(stderr, "Failed to start sysupgrade\n");
uloop_end();
}
}
fprintf(stderr, "this tool needs to run as pid 1\n");
return -1;
}
- if (chdir("/tmp") == -1) {
- fprintf(stderr, "failed to chdir to /tmp: %s\n", strerror(errno));
+
+ int fd = open("/", O_DIRECTORY|O_PATH);
+ if (fd < 0) {
+ fprintf(stderr, "unable to open prefix directory: %s\n", strerror(errno));
return -1;
}
- if (argc != 2) {
- fprintf(stderr, "sysupgrade stage 2 failed, no folder specified\n");
+
+ chroot(".");
+
+ if (fchdir(fd) == -1) {
+ fprintf(stderr, "failed to chdir to prefix directory: %s\n", strerror(errno));
+ return -1;
+ }
+ close(fd);
+
+ if (argc != 3) {
+ fprintf(stderr, "sysupgrade stage 2 failed, invalid command line\n");
return -1;
}
uloop_init();
watchdog_init(0);
- sysupgarde(argv[1]);
+ sysupgrade(argv[1], argv[2]);
uloop_run();
reboot(RB_AUTOBOOT);