return 0;
}
+
+int
+do_exists (const char *path)
+{
+ int r;
+
+ NEED_ROOT (-1);
+ ABS_PATH (path, -1);
+
+ CHROOT_IN;
+ r = access (path, F_OK);
+ CHROOT_OUT;
+
+ return r == 0;
+}
+
+int
+do_is_file (const char *path)
+{
+ int r;
+ struct stat buf;
+
+ NEED_ROOT (-1);
+ ABS_PATH (path, -1);
+
+ CHROOT_IN;
+ r = lstat (path, &buf);
+ CHROOT_OUT;
+
+ if (r == -1) {
+ if (errno != ENOENT && errno != ENOTDIR) {
+ reply_with_perror ("stat: %s", path);
+ return -1;
+ }
+ else
+ return 0; /* Not a file. */
+ }
+
+ return S_ISREG (buf.st_mode);
+}
+
+int
+do_write_file (const char *path, const char *content, int size)
+{
+ int fd;
+
+ NEED_ROOT (-1);
+ ABS_PATH (path, -1);
+
+ if (size == 0)
+ size = strlen (content);
+
+ CHROOT_IN;
+ fd = open (path, O_WRONLY | O_CREAT | O_NOCTTY | O_NONBLOCK, 0666);
+ CHROOT_OUT;
+
+ if (fd == -1) {
+ reply_with_perror ("open: %s", path);
+ return -1;
+ }
+
+ if (xwrite (fd, content, size) == -1) {
+ reply_with_perror ("write");
+ close (fd);
+ return -1;
+ }
+
+ if (close (fd) == -1) {
+ reply_with_perror ("close: %s", path);
+ return -1;
+ }
+
+ return 0;
+}