#include <sys/types.h>
#include <sys/stat.h>
+#include <libubox/ulog.h>
+
#include <fcntl.h>
#include <dirent.h>
#include <stdio.h>
static int
handle_rmdir(const char *dir)
{
- struct stat s;
- struct dirent **namelist;
- int n;
-
- n = scandir(dir, &namelist, NULL, NULL);
+ struct dirent *dt;
+ struct stat st;
+ DIR *d;
+ int fd;
- if (n < 1)
+ d = opendir(dir);
+ if (!d)
return -1;
- while (n--) {
- char file[256];
+ fd = dirfd(d);
+
+ while ((dt = readdir(d)) != NULL) {
+ if (fstatat(fd, dt->d_name, &st, AT_SYMLINK_NOFOLLOW) || S_ISDIR(st.st_mode))
+ continue;
- snprintf(file, sizeof(file), "%s%s", dir, namelist[n]->d_name);
- if (!lstat(file, &s) && !S_ISDIR(s.st_mode))
- unlink(file);
- free(namelist[n]);
+ unlinkat(fd, dt->d_name, 0);
}
- free(namelist);
+ closedir(d);
rmdir(dir);
return 0;
ask_user(int argc, char **argv)
{
if ((argc < 2) || strcmp(argv[1], "-y")) {
- fprintf(stderr, "This will erase all settings and remove any installed packages. Are you sure? [N/y]\n");
+ ULOG_WARN("This will erase all settings and remove any installed packages. Are you sure? [N/y]\n");
if (getchar() != 'y')
return -1;
}
return -1;
if (find_filesystem("overlay")) {
- fprintf(stderr, "overlayfs not found\n");
+ ULOG_ERR("overlayfs not supported by kernel\n");
return -1;
}
v = volume_find("rootfs_data");
if (!v) {
- fprintf(stderr, "no rootfs_data was found\n");
+ ULOG_ERR("MTD partition 'rootfs_data' not found\n");
return -1;
}
- mp = find_mount_point(v->blk, "jffs2");
+ mp = find_mount_point(v->blk, 1);
if (mp) {
- fprintf(stderr, "%s is mounted as %s, only erasing files\n", v->blk, mp);
+ ULOG_INFO("%s is mounted as %s, only erasing files\n", v->blk, mp);
foreachdir(mp, handle_rmdir);
mount(mp, "/", NULL, MS_REMOUNT, 0);
} else {
- fprintf(stderr, "%s is not mounted, erasing it\n", v->blk);
+ ULOG_INFO("%s is not mounted, erasing it\n", v->blk);
volume_erase_all(v);
}
v = volume_find("rootfs_data");
if (!v) {
- fprintf(stderr, "no rootfs_data was found\n");
+ ULOG_ERR("MTD partition 'rootfs_data' not found\n");
return -1;
}
fd = open(v->blk, O_WRONLY);
- fprintf(stderr, "%s - marking with deadc0de\n", v->blk);
+ ULOG_INFO("%s - marking with deadc0de\n", v->blk);
if (!fd) {
- fprintf(stderr, "opening %s failed\n", v->blk);
+ ULOG_ERR("opening %s failed\n", v->blk);
return -1;
}
sz = write(fd, &deadc0de, sizeof(deadc0de));
close(fd);
- if (sz != 1) {
- fprintf(stderr, "writing %s failed: %s\n", v->blk, strerror(errno));
+ if (sz != 4) {
+ ULOG_ERR("writing %s failed: %s\n", v->blk, strerror(errno));
return -1;
}