properly terminate headers of http responses without data, add Content-Length: 0

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

diff --git a/file.c b/file.c
index c769c0a..3ac863c 100644 (file)
--- a/file.c
+++ b/file.c
@@ -222,6 +222,7 @@ uh_path_lookup(struct client *cl, const char *url)
           url with trailing slash appended */
        if (!slash) {
                uh_http_header(cl, 302, "Found");
+               ustream_printf(cl->us, "Content-Length: 0\r\n");
                ustream_printf(cl->us, "Location: %s%s%s\r\n\r\n",
                                &path_phys[docroot_len],
                                p.query ? "?" : "",
@@ -556,6 +557,8 @@ static void uh_file_data(struct client *cl, struct path_info *pi, int fd)
                !uh_file_if_range(cl, &pi->stat) ||
                !uh_file_if_unmodified_since(cl, &pi->stat) ||
                !uh_file_if_none_match(cl, &pi->stat)) {
+               ustream_printf(cl->us, "Content-Length: 0\r\n");
+               ustream_printf(cl->us, "\r\n");
                uh_request_done(cl);
                close(fd);
                return;